阅读说明：本技术 一种瓦楞纸箱生产线及其生产方法 (Corrugated carton production line and production method thereof ) 是由 马前进 曹成飞 王德宝 于 2020-12-15 设计创作，主要内容包括：本发明涉及一种瓦楞纸箱生产线,包括上下相对的上输送装置、下输送装置和用于提供烘烤瓦楞纸板的加热器,上输送装置包括上输送带、上驱动辊、用于驱动上驱动辊旋转的上驱动电机以及与上驱动辊一起支撑上输送带并能够加热上输送带的上热辊,下输送装置包括下输送带、下驱动辊、用于驱动下驱动辊旋转的下驱动电机及与下驱动辊一起支撑下输送带并能够加热下输送带的下热辊；加热器位于下输送带之间,瓦楞纸板夹在上输送带和下输送带之间被输送,且在被输送的过程中瓦楞纸板相对于上输送带和下输送带无相对位移。杜绝了因瓦楞纸板与加热器之间的相对运动可能带来的对表面防护性塑料薄膜的损伤,不会造成瓦楞纸板表面变形。(The invention relates to a corrugated carton production line, which comprises an upper conveying device, a lower conveying device and a heater, wherein the upper conveying device and the lower conveying device are opposite up and down, the heater is used for baking a corrugated board, the upper conveying device comprises an upper conveying belt, an upper driving roller, an upper driving motor and an upper hot roller, the upper driving motor is used for driving the upper driving roller to rotate, the upper hot roller and the upper driving roller support the upper conveying belt together and can heat the upper conveying belt, the lower conveying device comprises a lower conveying belt, a lower driving roller, a lower driving motor and a lower hot roller, the lower driving motor and the lower driving roller support the lower; the heater is arranged between the lower conveyer belts, the corrugated board is clamped between the upper conveyer belt and the lower conveyer belt to be conveyed, and the corrugated board has no relative displacement relative to the upper conveyer belt and the lower conveyer belt in the conveying process. The damage to the surface protective plastic film possibly caused by the relative movement between the corrugated board and the heater is avoided, and the surface deformation of the corrugated board is avoided.)

1. The utility model provides a corrugated box production line, includes relative last conveyor, lower conveyor from top to bottom and is used for providing heater (1) of toasting corrugated container board, its characterized in that: the upper conveying device comprises an upper conveying belt (2), an upper driving roller (3), an upper driving motor for driving the upper driving roller (3) to rotate and an upper hot roller (4) which supports the upper conveying belt (2) together with the upper driving roller (3) and can heat the upper conveying belt (2), and the lower conveying device comprises a lower conveying belt (5), a lower driving roller (6), a lower driving motor for driving the lower driving roller (6) to rotate and a lower hot roller (7) which supports the lower conveying belt (5) together with the lower driving roller (6) and can heat the lower conveying belt (5); the heater (1) is positioned between the lower conveying belts (5), the corrugated board is clamped between the upper conveying belt (2) and the lower conveying belt (5) to be conveyed, and the corrugated board does not have relative displacement relative to the upper conveying belt (2) and the lower conveying belt (5) in the conveying process.

2. The corrugated box production line according to claim 1, wherein: still include main conveyer, turn right heating stoving case (8), hot-blast stoving case (9) and the lamp source stoving case (10) that set gradually from a left side, go up conveyor, lower conveyor and heater (1) and set up in heating stoving case (8), main conveyer includes and wears out heating stoving case (8) and pass main conveyer belt (11) of hot-blast stoving case (9) and lamp source stoving case (10) in proper order, is used for supporting conveying roller (12) of transmission main conveyer belt (11) and is used for driving the rotatory main driving motor of conveying roller (12) from last conveyer belt (2) and lower conveyer belt (5) output.

3. The corrugated box production line according to claim 2, wherein: the heating and drying box is characterized in that an exhaust pipe (13) is arranged at the top of the heating and drying box (8), a plurality of hot air holes (14) are formed in the top of the hot air drying box (9), a plurality of bulbs (15) are arranged at the top of the lamp source drying box (10), and an exhaust fan (16) is arranged at the top of the lamp source drying box (10).

4. A corrugated box production line as claimed in claim 3, wherein: the upper end of the exhaust pipe (13) is dried by the air draft drying component and then supplies dry hot air to the hot air holes (14).

5. The corrugated box production line according to claim 4, wherein: the air draft drying component comprises a sealing drying box (21) connected to the end part of the exhaust pipe (13) and a fan (22) connected to the exhaust pipe (13) in series, a movable magnetic sealing device is arranged in the sealing drying box (21) and comprises a sealing chamber, a drying agent chamber, an air outlet chamber and an isolation chamber, the sealing chamber is connected with the sealing drying box (21) in a sealing manner, an inlet hole (23) is formed in the upper part of the sealing drying box (21) and communicated with the sealing chamber, the air outlet end of the exhaust pipe (13) is connected with the inlet hole (23), a sliding plate is movably matched in the sealing chamber up and down, the sliding plate comprises a sealing plate (24) and a passive sliding seat (25), the sealing plate (24) is fixedly connected with the passive sliding seat (25), a passive magnet is fixedly arranged on the passive sliding seat (25), and a plurality of cylindrical drying agents (26) are arranged in, the drying agent chamber is connected with the air outlet chamber, a ventilating plate (31) is arranged between the drying agent chamber and the air outlet chamber, the upper end and the lower end of the ventilating plate (31) are respectively connected with a transverse plate (32), the upper side and the lower side of the sealed drying box (21) are respectively provided with a lifting hole, the two transverse plates (32) are arranged at the lifting holes in a lifting way, the bottom of the sealed drying box (21) is provided with a driving lifting device for controlling the lifting of the ventilating plate (31) and the two transverse plates (32), the top of the sealed drying box (21) is provided with a control drying agent adding device for controlling the cylindrical drying agent (26) to be stored in the drying agent chamber, the air outlet chamber is connected with the isolation chamber, an isolation plate (27) is arranged between the air outlet chamber and the isolation chamber, an active sliding seat (28) is movably matched with the isolation chamber up and down, the movable handle (29) is movably matched and connected with the sliding groove (30), the driving magnet is located opposite to the driven magnet, opposite polarities of the driving magnet and the driven magnet are opposite to each other to generate mutual attraction, the driving magnet and the driven magnet are moved along with the driving magnet, and the partition plate (27) of the air outlet chamber is connected with the hot air holes (14) through the drying air outlet pipe (41).

6. The corrugated box production line according to claim 5, wherein: the drying agent adding control device comprises a sealing box (51) arranged at the top of the sealing drying box (21), a first plate (52) is obliquely arranged on the side wall of the right side of the sealing box (51), a plurality of cylindrical drying agents (26) are placed on the first plate (52), a groove (53) is formed in the end portion of the left side of the first plate (52), a rotating shaft (54) is horizontally arranged in the groove (53), three second plates (55) are arranged on the rotating shaft (54) at intervals along the circumferential direction at equal intervals, a third plate (56) is vertically arranged above the groove (53) and positioned at the top in the sealing box (51), the distance from the bottom end of the third plate (56) to the end portion of each second plate (55) is smaller than the diameter of each cylindrical drying agent (26), and a fourth plate (57) is rotatably arranged on the inner wall of the left side of the sealing box (51) and positioned at one side of the, fourth board (57) tip bottom surface passes through spring (76) and seal box (51) left side inner wall connection, on seal box (51) left side inner wall and be located fourth board (57) below slope and install fifth board (58), fifth board (58) right-hand member downward sloping extends to seal box (51) interior bottom and this department is provided with and link up the fluting to elevating hole department from top to bottom, axis of rotation (54) one end is rotated and is run through and is connected with rotation handle (59) behind seal box (51).

7. The corrugated box production line according to claim 6, wherein: the driving lifting device comprises a lifting control seat (61) arranged at the bottom of the sealed drying box (21) and a gear rotating shaft (62) rotatably arranged on the lifting control seat (61), a gear rotating disc (63) is fixed on the gear rotating shaft (62), a vertical transmission plate (64) is connected to the bottom of a transverse plate (32) below the gear rotating shaft (62), a rack is arranged on one side wall of the vertical transmission plate (64) facing to the lifting control seat (61), the gear rotating disc (63) is matched with the rack to enable the gear rotating shaft (62) to be in transmission connection with the vertical transmission plate (64), one end of the gear rotating shaft (62) is connected with a driving handle (65), a limiting fixing component for controlling and fastening the rack is arranged on the lifting control seat (61), the limiting fixing component comprises a fixing seat (66) arranged on the lifting control seat (61) and a transverse groove (67) formed in the side wall of the fixing seat (66) facing to one side of the rack, the utility model discloses a horizontal groove, including horizontal groove (67), horizontal sliding plate (68) are provided with to relative rack slip in horizontal groove (67), be connected with toper top (69) on horizontal sliding plate (68), toper top (69) are extended and are withstood the rack behind horizontal groove (67), one side that horizontal sliding plate (68) kept away from the rack is fixed with control lever (70), control lever (70) one end is run through out fixing base (66) and is connected with control panel (71), be provided with compression spring (72) around control lever (70) between horizontal sliding plate (68) and horizontal groove (67) tank bottom, sealed drying cabinet (21) bottom is provided with guide bar (73) that are used for direction vertical driving plate (64) to go up and down.

8. The corrugated box production line according to claim 6, wherein: and an elastic sealing gasket (42) is arranged on the sealing plate (24), and the elastic sealing gasket (42) is in sealing contact with the inner side wall of the sealing chamber.

9. A corrugated box manufacturing line according to claim 1, 2, 3, 4, 5, 6, 7 or 8, wherein: the upper conveying belt (2), the lower conveying belt (5) and the main conveying belt (11) are made of high-temperature-resistant porous woven belts with good heat conductivity and air permeability, and polytetrafluoroethylene is coated on the surfaces of the upper conveying belt (2) and the lower conveying belt (5).

10. The production method suitable for the corrugated carton production line is characterized by comprising the following steps:

s1, drying and processing: the corrugated board is firstly electrically dried, and then sequentially dried by hot air and a light source, the hot air for drying the corrugated board by the heat generated by the electric heating of the heater (1), the upper hot roller (4) and the lower hot roller (7) in the heating and drying box (8) is discharged from the exhaust pipe (13), and in the discharging process, a fan (22) on the exhaust pipe (13) operates to accelerate and drive hot air with moisture into the sealed drying box (21), the hot air with moisture enters the sealed chamber from a plurality of inlet holes (23), and enters the drying agent chamber through the sealing chamber, hot air fully dried by the cylindrical drying agent (26) enters the air outlet chamber after passing through the air permeable plate (31), the dried hot air is introduced to the hot air hole (14) through the drying air outlet pipe (41), the corrugated board in the hot air drying box (9) is dried by hot air from top to bottom;

s2, taking out the waste drying agent: along with the long-time drying of hot air with moisture by the cylindrical drying agent (26), the cylindrical drying agent (26) needs to be replaced, when the cylindrical drying agent (26) is replaced, the movable handle (29) is moved upwards, the movable handle (29) drives the driving slide seat (28) and the driving magnet to ascend, then the driven magnet fixed on the driven slide seat (25) ascends and slides along with the movable handle, a sealing plate (24) fixedly connected with the driven slide seat (25) is moved to the positions of the plurality of inlet holes (23) and seals the plurality of inlet holes (23), the exhaust pipe (13) is isolated from the sealed drying box (21), at the moment, an operator pulls the control plate (71) to drive the control rod (70) to move in the direction away from the rack, drives the transverse sliding plate (68) to extrude the compression spring (72), so that the conical top head (69) stops propping against the fixed rack, and then, an operator rotates a driving handle (65) to drive a gear turntable (63) to rotate, the gear turntable (63) is matched with a rack to enable a gear rotating shaft (62) to be in transmission connection with a vertical transmission plate (64), so that a ventilation plate (31) and two transverse plates (32) are lifted downwards, after the bottom of the ventilation plate (32) is exposed through a lifting hole, a clamp or pliers and other tools are adopted to take out the inactivated cylindrical drying agent (26) in a drying agent chamber;

s3, desiccant replacement: after the drying rack is taken out, an operator rotates a driving handle (65) to drive a gear turntable (63) to rotate, a gear rotating shaft (62) and a vertical transmission plate (64) are used for transmission to enable a ventilating plate (31) and two transverse plates (32) to lift upwards, the top of the ventilating plate (31) passes through a lifting hole and a groove, the top of the ventilating plate (31) is lifted to the position above the right end of a fifth plate (58) and is larger than the diameter of a cylindrical drying agent (26), the lifting is stopped, a control plate (71) is loosened, under the restoring action force of a compression spring (72), a transverse sliding plate (68) and a control rod (70) are driven to move towards the direction of the rack, the rack is jacked by a conical jacking head (69) to fix the ventilating plate (31), at the moment, the operator rotates a rotating handle (59) connected with one end of a rotating shaft (54) to drive the rotating shaft (54) to rotate, a second plate (55) above a fourth plate (57) is driven to press down the fourth plate (57), meanwhile, the cylindrical drying agent (26) on the first plate (52) falls onto a fifth plate (58), the other two second plates (55) drive a cylindrical drying agent (26) on the first plate (52) to rotate above the fourth plate (57), under the restoring force of a spring (76), the fourth plate (57) is driven to rebound and abut against the second plate (55), the cylindrical drying agent (26) falling onto the fifth plate (58) rolls to a position between the ventilating plate (31) and the two transverse plates (32) along the fifth plate (58) under the self-gravity action, the single fourth plate (57) presses down to rebound and fall into the cylindrical drying agent (26), and the rotary handle (59) rotates for a plurality of circles to send the expected amount of cylindrical drying agent (26);

s4, completing resetting: after the addition is finished, an operator pulls the control plate (71) to drive the control rod (70) to move towards the direction far away from the rack, the transverse sliding plate (68) is driven to extrude the compression spring (72), the conical ejector head (69) stops ejecting against the fixed rack, then, the operator rotates the driving handle (65) to drive the gear turntable (63) to rotate, so that the air permeable plate (31) and the two transverse plates (32) are lifted and reset downwards, the two transverse plates (32) return to the upper lifting hole and the lower lifting hole again and block the lifting holes to realize resealing and avoid air leakage, then, the control plate (71) is loosened, the transverse sliding plate (68) and the control rod (70) are driven to move towards the rack under the restoring acting force of the compression spring (72), the rack is ejected through the conical ejector head (69), the air permeable plate (31) is fixed, the moving handle (29) is moved downwards, the moving handle (29) drives the driving sliding seat (28) and the driving magnet to descend, and then, the passive magnet fixed on the passive sliding seat (25) descends and slides along with the passive magnet, so that the sealing plate (24) fixedly connected with the passive sliding seat (25) moves to a position below the plurality of inlet holes (23), and the plurality of inlet holes (23) are opened to carry out drying of hot air again and then repeated cyclic utilization.

Technical Field

The invention relates to a corrugated carton production line and a production method thereof.

Background

Corrugated cardboard is a commonly used raw material for manufacturing corrugated cartons, and in actual production, the corrugated cardboard is manufactured into the corrugated cartons through processes of die cutting, indentation, carton nailing or carton gluing and the like. Corrugated boxes are rigid paper containers made of corrugated boards, are beneficial to environmental protection, are convenient to assemble, disassemble and transport, and become widely applied packaging products. With the improvement of the demand of commodities for package functionalization, one problem faced by the corrugated case industry is how to better realize moisture resistance, water resistance, low temperature resistance and higher surface strength, so as to be beneficial to increasing the protection of the surface of the corrugated case, further reduce the possible damage in the transportation and circulation processes, and exert the display and protection functions of the corrugated case to the maximum extent.

In the production line of corrugated cardboard, in order to meet the functional requirements of commodity packaging, a glazing process after tissue printing, such as an oil glazing process or a water glazing process, is generally adopted, so that the protection of the surface of the corrugated cardboard is enhanced, and in addition, processes such as film coating, film spraying and the like can be adopted. It is well known by those skilled in the art that the trend of corrugated carton surface protection is to adopt a laminating process, and the process which can give full play to the advantages of laminating is to make the pre-printed paper roll after laminating into corrugated board directly on the corrugated board production line. When placing the preprinted paper roll after the laminating on the corrugated board production line for production, the existing corrugated board production line generally works like this: the face paper of the pre-printed paper roll directly contacts with a drying device such as a flat heater arranged on a production line, so that the glued face paper, the corrugated paper and the lining paper are dried, the glue is quickly pasted, dried and shaped, and particularly in the initial stage of entering the drying device. When the existing corrugated board is dried and processed, the drying effect is poor, the drying efficiency is low, the corrugated board surface is easy to deform due to the direct contact with a flat heater, and the production quality is extremely poor due to the deformation and wrinkling of the surface, so that the improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a corrugated case production line which is high in drying efficiency, good in drying effect, low in energy consumption and convenient to use and a production method thereof.

The technical scheme of the invention is realized as follows: the utility model provides a corrugated box production line, includes relative last conveyor, lower conveyor from top to bottom and is used for providing the heater of toasting corrugated container board which characterized in that: the upper conveying device comprises an upper conveying belt, an upper driving roller, an upper driving motor for driving the upper driving roller to rotate and an upper hot roller which supports the upper conveying belt together with the upper driving roller and can heat the upper conveying belt, and the lower conveying device comprises a lower conveying belt, a lower driving roller, a lower driving motor for driving the lower driving roller to rotate and a lower hot roller which supports the lower conveying belt together with the lower driving roller and can heat the lower conveying belt; the heater is positioned between the lower conveying belts, the corrugated board is clamped between the upper conveying belts and the lower conveying belts to be conveyed, and the corrugated board does not have relative displacement relative to the upper conveying belts and the lower conveying belts in the conveying process.

By adopting the technical scheme, under the driving action of the upper driving motor and the lower driving motor, the upper driving roller and the lower driving roller rotate in operation, the upper conveying belt and the lower conveying belt are driven to transmit through the upper hot roller and the lower hot roller respectively, the corrugated board is clamped between the upper conveying belt and the lower conveying belt and is conveyed, and the corrugated board does not have relative displacement relative to the upper conveying belt and the lower conveying belt in the conveying process, so that the surface of the corrugated board is separated from the surface of the heater, the corrugated board is not in direct contact with the heater and is rubbed, the damage to the surface protective plastic film possibly caused by the relative movement between the corrugated board and the heater is avoided, and the surface deformation of the corrugated board is avoided.

The invention is further configured to: still include main conveyer, turn right heating stoving case, hot-air drying case and the lamp source stoving case that sets gradually from a left side, go up conveyor, lower conveyor and heater setting at the heating stoving incasement, main conveyer includes that the main conveyer belt that wears out the heating stoving case and pass hot-air drying case and lamp source stoving case in proper order, the conveying roller that is used for supporting transmission main conveyer belt and is used for driving the rotatory main driving motor of conveying roller from last conveyer belt and lower conveyer belt output end.

Through adopting above-mentioned technical scheme, carry out the electric drying between the last conveyer belt that sends into the heating stoving incasement with corrugated container board earlier and the lower conveyer belt, can reach the stoving effect more than seven to corrugated container board, corrugated container board after the electric drying enters into the hot-air drying case, dry corrugated container board once more through hot-blast, can make corrugated container board's stoving effect reach more than nine, then send into in the lamp source stoving case again, make corrugated container board reach whole stoving, can not produce the phenomenon of deformation or fracture at the in-process of drying, improve oven-dry mass.

The invention is further configured to: the heating and drying box is characterized in that an exhaust pipe is arranged at the top of the heating and drying box, a plurality of hot air holes are formed in the top of the hot air drying box, a plurality of bulbs are arranged at the top of the lamp source drying box, and an exhaust fan is arranged at the top of the lamp source drying box.

Through adopting above-mentioned technical scheme, heating stoving roof portion is provided with the blast pipe, the moisture that produces in the drying process can be got rid of through the blast pipe, corrugated container board after the electric drying enters into the hot-air drying case, dry once more corrugated container board through hot-blast, can make corrugated container board's stoving effect reach more than nine times, then carry out the light source and dry, the flow of wet molecule needs certain temperature and velocity of flow, heat the wet molecule through a plurality of bulbs, exhaust fan through the top accelerates the flow of molecule, make corrugated container board reach whole stoving, the phenomenon that can not produce deformation or fracture at the in-process of drying.

The invention is further configured to: and the upper end of the exhaust pipe is dried by the air draft drying component and then supplies dry hot air to the plurality of hot air holes.

By adopting the technical scheme, the corrugated board is electrically dried firstly and then sequentially subjected to hot air drying and lamp source drying, in the electric drying process, heat generated by the electric heating of the heater, the upper hot roller and the lower hot roller which are adopted for baking the corrugated board is directly discharged from the exhaust pipe at the top of the heating and drying box, in the hot air drying process, hot air needs to be introduced into the hot air drying box from a plurality of hot air holes to play a role of hot air drying, the part needs independent hot air supply, the energy consumption is extremely high, the upper end of the exhaust pipe is provided with the air draft drying component, the hot air with steam which is directly discharged originally and is generated by the part supplies the dry hot air to the plurality of hot air holes after being dried by the air draft drying component, the corrugated board is hot air dried from top to bottom, the utilization rate of energy is improved, and meanwhile, the drying efficiency of the hot air dried corrugated board by the air dried by the air draft drying component, the production cost is reduced and the efficiency is improved.

The invention is further configured to: the air draft drying component comprises a sealing drying box connected to the end part of the exhaust pipe and a fan connected in series on the exhaust pipe, a movable magnetic sealing device is arranged in the sealing drying box and comprises a sealing chamber, a drying agent chamber, an air outlet chamber and an isolation chamber, the sealing chamber is connected with the sealing drying box in a sealing manner, the upper part of the sealing drying box is provided with an inlet hole communicated with the sealing chamber, the air outlet end of the exhaust pipe is connected with the inlet hole, the sealing chamber is internally and vertically movably matched with a sliding plate, the sliding plate is composed of a sealing plate and a driven sliding seat, the sealing plate is fixedly connected with the driven sliding seat, a driven magnet is fixedly arranged on the driven sliding seat, a plurality of cylindrical drying agents are arranged in the drying agent chamber, a ventilating plate is arranged between the drying agent chamber and the air outlet chamber, the, the upper side and the lower side of the sealed drying box are respectively provided with a lifting hole, the two transverse plates are arranged at the lifting holes in a lifting way, the bottom of the sealed drying box is provided with a driving lifting device for controlling the lifting of the driving air permeable plate and the two transverse plates, the top of the sealed drying box is provided with a control drying agent adding device for controlling the storage of a cylindrical drying agent into the drying agent chamber, the air outlet chamber is connected with the isolation chamber, a separation plate is arranged between the air outlet chamber and the isolation chamber, the isolation chamber is internally provided with a driving sliding seat in a vertical movable fit manner, the driving sliding seat is fixedly provided with a driving magnet and a moving handle, the outer wall of the isolation chamber is provided with a sliding groove, the moving handle is connected with the sliding groove in a movable fit manner, the driving magnet is positioned opposite to the driven magnet, the division plate of the air outlet chamber is connected with a plurality of hot air holes through an air outlet drying pipe.

By adopting the technical scheme, the corrugated board is electrically dried firstly and then sequentially subjected to hot air drying and lamp source drying, in the electric drying process, the hot air of the corrugated board dried by the heat generated by the electric heating of the heater, the upper hot roller and the lower hot roller in the heating drying box is discharged from the exhaust pipe, in the discharging process, the fan on the exhaust pipe operates to accelerate the hot air with the attached moisture to enter the sealing drying box, the movable magnetic sealing device is arranged in the sealing drying box and comprises a sealing chamber, a drying agent chamber, an air outlet chamber and an isolation chamber, the sealing chamber is in sealing connection with the sealing drying box, the upper part of the sealing drying box is provided with an inlet hole communicated with the sealing chamber, the air outlet end of the exhaust pipe is connected with the inlet hole, the hot air with the attached moisture enters the sealing chamber from a plurality of inlet holes and enters the drying agent chamber through the sealing chamber, the drying machine is characterized in that a plurality of cylindrical drying agents are arranged in a drying agent chamber, the contact area of the cylindrical drying agents and hot air is increased, the utilization rate of the drying agents is more sufficient, the drying efficiency is very high, the drying agent chamber is connected with an air outlet chamber, a ventilating plate is arranged between the drying agent chamber and the air outlet chamber, the hot air after being sufficiently dried passes through the ventilating plate and then enters the air outlet chamber, a partition plate of the air outlet chamber is connected with a plurality of hot air holes through a drying air outlet pipe, the dried hot air is introduced to the hot air holes through the drying air outlet pipe, the corrugated boards in the hot air drying box are dried by hot air from top to bottom, the cylindrical drying agents need to be replaced after the hot air with water is dried for a long time by the cylindrical drying agents, when the cylindrical drying agents are replaced, a moving handle is moved upwards, the moving handle drives, the sealing plate fixedly connected with the passive sliding seat is moved to the positions of the plurality of inlet holes, the plurality of inlet holes are sealed, the exhaust pipe is isolated from the sealed drying box, the danger of hot air entering the sealed drying box to the replacement operation when the drying agent is replaced is avoided, the sealing performance is high, the hot air is prevented from leaking and ventilating, the bottom of the sealed drying box is provided with a driving lifting device used for controlling the lifting of the air-permeable plate and the two transverse plates, the top of the sealed drying box is provided with a control drying agent adding device used for controlling the cylindrical drying agent to be stored into the drying agent chamber, at the moment, an operator operates the driving lifting device to enable the air-permeable plate and the two transverse plates to lift downwards, after the bottom of the air-permeable plate is exposed through the lifting holes, the inactivated cylindrical drying agent in the drying agent chamber is taken out by using a clamp, after the ventilation plate and the two transverse plates are lifted upwards, the top of the ventilation plate is extended out, a desiccant adding device is controlled to sequentially send cylindrical desiccant into the space between the ventilation plate and the two transverse plates, after the addition is completed, at the moment, an operator operates and drives a lifting device to lift and reset the ventilation plate and the two transverse plates downwards, the two transverse plates return to the upper lifting hole and the lower lifting hole again and block the lifting holes so as to realize resealing and avoid air leakage, then, a moving handle is moved downwards, the moving handle drives an active sliding seat and an active magnet to descend, then, a passive magnet fixed on the passive sliding seat descends and slides along with the active sliding seat, a sealing plate fixedly connected with the passive sliding seat is moved to a position below a plurality of inlet holes, and the plurality of inlet holes are opened to carry out repeated cyclic utilization after drying of hot air, the whole replacement operation is simple, convenient and fast, do benefit to the change operation and between passive slide and the initiative slide through the cooperation of initiative magnet and passive magnet, both do not need extra fastening structure can be through the mutual appeal removal at any time and stop fixed.

The invention is further configured to: the device for controlling the drying agent to be added comprises a sealing box arranged at the top of the sealing drying box, wherein a first plate is obliquely arranged on the side wall of the right side of the sealing box, a plurality of cylindrical drying agents are placed on the first plate, a groove is formed in the left end of the first plate, a rotating shaft is horizontally arranged in the groove, three second plates are arranged on the rotating shaft at intervals along the circumferential direction, a third plate is vertically arranged above the groove and positioned at the top of the sealing box, the distance from the bottom end of the third plate to the end of the second plate is smaller than the diameter of the cylindrical drying agents, a fourth plate is rotationally arranged on the inner wall of the left side of the sealing box and positioned at one side of the rotating shaft, the end of the fourth plate is connected with the inner wall of the left side of the sealing box through a spring, a fifth plate is obliquely arranged on the inner wall of the left side of the sealing box and positioned below the fourth plate, the right end of the fifth plate extends to, one end of the rotating shaft is connected with a rotating handle after rotating to penetrate out of the sealing box.

By adopting the technical scheme, the corrugated board is electrically dried firstly and then sequentially subjected to hot air drying and lamp source drying, in the electric drying process, the hot air of the corrugated board dried by the heat generated by the electric heating of the heater, the upper hot roller and the lower hot roller in the heating drying box is discharged from the exhaust pipe, in the discharging process, the fan on the exhaust pipe operates to accelerate the hot air with the moisture to enter the sealed drying box, the hot air with the moisture enters the sealed chamber from a plurality of inlet holes and enters the drying agent chamber through the sealed chamber, the hot air fully dried by the cylindrical drying agent passes through the ventilating plate and then enters the air outlet chamber, the dried hot air is introduced to the hot air hole through the drying air outlet pipe, the corrugated board in the hot air drying box is subjected to hot air drying from top to bottom, and the hot air with the moisture is dried by the cylindrical drying agent for a long time, the cylindrical desiccant needs to be replaced; when the cylindrical drying agent is replaced, the movable handle is moved upwards, the movable handle drives the driving sliding seat and the driving magnet to ascend, then the driven magnet fixed on the driven sliding seat ascends and slides along with the driven magnet, the sealing plate fixedly connected with the driven sliding seat is moved to the positions of the plurality of inlet holes, the plurality of inlet holes are sealed, the exhaust pipe is isolated from the sealed drying box, at the moment, the operator operates and drives the lifting device to enable the air permeable plate and the two transverse plates to ascend and descend downwards, after the bottom of the air permeable plate is exposed through the lifting holes, the inactivated cylindrical drying agent in the drying agent chamber is taken out by adopting a clamp or pliers and other tools, after the cylindrical drying agent is taken out, the operator operates and drives the lifting device to enable the air permeable plate and the two transverse plates to ascend and descend upwards, the right end of the fifth plate inclines downwards to extend to the inner bottom of the sealed box, the position, and the top of the ventilation plate rises to a position above the right end of the fifth plate and is larger than the diameter of the cylindrical drying agent, and then the ventilation plate stops rising, at the moment, an operator rotates a rotating handle connected with one end of an operating shaft to drive the rotating shaft to rotate, a plurality of cylindrical drying agents are placed on the first plate, a groove is formed in the left end of the first plate, a third plate is vertically arranged above the groove and positioned at the top in the sealing box, three second plates are arranged on the rotating shaft at intervals along the circumferential direction, a fourth plate is rotatably arranged on the inner wall of the left side of the sealing box and positioned at one side of the rotating shaft, the bottom surface of the end part of the fourth plate is connected with the inner wall of the left side of the sealing box through a spring, when the rotating shaft does not rotate, the fourth plate carries out limit support on the second plate under the action of the spring to prevent the second plate from pushing and rotating under the action of the gravity of the plurality of the, the device is used for limiting and preventing a plurality of cylindrical drying agents from rolling to the upper part of a fourth plate at the same time, and driving a second plate above the fourth plate to press the fourth plate downwards along with the rotation of a rotating shaft, and simultaneously enabling the cylindrical drying agents on the first plate to fall onto a fifth plate, the other two second plates drive a cylindrical drying agent on the first plate to rotate to the upper part of the fourth plate, under the action of the restoring force of a spring, the fourth plate is driven to rebound and prop against the second plate, the cylindrical drying agents falling onto the fifth plate roll to a position between a ventilating plate and two transverse plates along the fifth plate under the self-gravity action, a single-time fourth plate is pressed downwards to rebound and fall into a cylindrical drying agent, the cylindrical drying agents with the preset quantity can be fed into the ventilating plate after rotating a handle for a plurality of circles, after the addition is completed, at the moment, an operator operates a driving lifting device to enable the ventilating plate and the two transverse plates, two horizontal boards get back to two upper and lower lift hole departments again and plug up the lift hole to realize resealing and avoid gas leakage, afterwards, move the removal handle downwards, the removal handle drives initiative slide and initiative magnet decline, afterwards, the passive magnet of fixing on the passive slide descends the slip thereupon, make with the sealed board of passive slide fixed connection move to the position of a plurality of access holes below, and open a plurality of access holes and carry out the dry back recirculation formula of steam again and utilize, whole change operation is simple and convenient quick, the whole leakproofness is high and the security is good when changing.

The invention is further configured to: the driving lifting device comprises a lifting control seat arranged at the bottom of the sealed drying box and a gear rotating shaft rotatably arranged on the lifting control seat, a gear rotating disc is fixed on the gear rotating shaft, the bottom of a transverse plate below the gear rotating shaft is connected with a vertical transmission plate, a rack is arranged on one side wall of the vertical transmission plate facing the lifting control seat, the gear rotating disc and the rack are matched to enable the gear rotating shaft and the vertical transmission plate to be in transmission connection, one end of the gear rotating shaft is connected with a driving handle, a limiting fixing component for controlling a fastening rack is arranged on the lifting control seat, the limiting fixing component comprises a fixing seat arranged on the lifting control seat and a transverse groove arranged on the side wall of the fixing seat facing the rack, a transverse sliding plate is arranged in the transverse groove in a sliding mode relative to the rack, a conical ejector head is connected onto the transverse sliding plate, and the conical ejector head props, one side that the rack was kept away from to the cross slide is fixed with the control lever, control lever one end is run through out the fixing base and is connected with the control panel, be provided with compression spring around the control lever between cross slide and the transverse groove tank bottom, sealed drying cabinet bottom is provided with the guide bar that is used for the vertical driving plate of direction to go up and down.

By adopting the technical scheme, the corrugated board is electrically dried firstly and then sequentially subjected to hot air drying and lamp source drying, in the electric drying process, the hot air of the corrugated board dried by the heat generated by the electric heating of the heater, the upper hot roller and the lower hot roller in the heating drying box is discharged from the exhaust pipe, in the discharging process, the fan on the exhaust pipe operates to accelerate the hot air with the moisture to enter the sealed drying box, the hot air with the moisture enters the sealed chamber from a plurality of inlet holes and enters the drying agent chamber through the sealed chamber, the hot air fully dried by the cylindrical drying agent passes through the ventilating plate and then enters the air outlet chamber, the dried hot air is introduced to the hot air hole through the drying air outlet pipe, the corrugated board in the hot air drying box is subjected to hot air drying from top to bottom, and the hot air with the moisture is dried by the cylindrical drying agent for a long time, the cylindrical desiccant needs to be replaced; when the cylindrical drying agent is replaced, the movable handle is moved upwards, the movable handle drives the driving sliding seat and the driving magnet to ascend, then the driven magnet fixed on the driven sliding seat ascends and slides along with the driven magnet, the sealing plate fixedly connected with the driven sliding seat is moved to the positions of the plurality of inlet holes, the plurality of inlet holes are sealed, the exhaust pipe is isolated from the sealed drying box, at the moment, an operator pulls the control plate to drive the control rod to move towards the direction far away from the rack, the transverse sliding plate is driven to extrude the compression spring, the conical ejector head stops ejecting against the fixed rack, then, the operator rotates the driving handle to drive the gear rotating disc to rotate, the gear rotating disc is matched with the rack to drive the gear rotating shaft and the vertical transmission plate to be connected, so that the air permeable plate and the two transverse plates ascend and descend downwards, after the bottom of the air permeable plate is exposed through the ascending and descending hole, after the drying rack is taken out, an operator rotates the driving handle to drive the gear turntable to rotate, the gear rotating shaft and the vertical transmission plate are driven to enable the ventilating plate and the two transverse plates to ascend and descend upwards, the top of the ventilating plate passes through the lifting hole and the groove, the top of the ventilating plate ascends to a position above the right end of the fifth plate and is larger than the diameter of the cylindrical drying agent, the ascending is stopped, the control plate is loosened, the transverse sliding plate and the control rod are driven to move towards the direction of the rack under the restoring acting force of the compression spring, the rack is propped against the ventilating plate through the conical jacking head, the ventilating plate is fixed, at the moment, the operator rotates the rotating handle connected with one end of the rotating shaft to drive the rotating shaft to rotate, a plurality of cylindrical drying agents are placed on the first plate, the left end of the first plate is provided with the groove, the third plates are vertically installed, a fourth plate is rotatably arranged on the inner wall of the left side of the sealing box and positioned on one side of the rotating shaft, the bottom surface of the end part of the fourth plate is connected with the inner wall of the left side of the sealing box through a spring, when the rotating shaft does not rotate, the fourth plate carries out limit support on the second plate under the action of the spring to prevent the second plate from being pushed to rotate under the action of the gravity of a plurality of cylindrical drying agents and being incapable of being normally controlled, the distance from the bottom end of the third plate to the end part of the second plate is smaller than the diameter of the cylindrical drying agents, the distance is used for limiting and preventing a plurality of cylindrical drying agents from rolling to the upper part of the fourth plate at the same time, the second plate above the fourth plate is driven to press the fourth plate downwards along with the rotation of the rotating shaft, the cylindrical drying agents on the first plate are simultaneously made to fall onto the fifth plate, the other two second plates drive one cylindrical drying, the fourth plate is driven to rebound and support against the second plate, the cylindrical drying agent falling onto the fifth plate rolls to a position between the ventilating plate and the two transverse plates along the fifth plate under the action of self gravity, the single fourth plate is pressed downwards to rebound and fall into one cylindrical drying agent, the cylindrical drying agent with the expected quantity can be fed after the rotating handle is rotated for a plurality of circles, after the addition is completed, an operator pulls the control plate to drive the control rod to move in the direction away from the rack to drive the transverse sliding plate to extrude the compression spring so that the conical ejector head stops supporting the fixed rack, then, the operator rotates the driving handle to drive the gear turntable to rotate, the gear turntable is matched with the rack to drive the gear rotating shaft to be connected with the vertical transmission plate, so that the ventilating plate and the two transverse plates are lifted downwards to reset, the two transverse plates return to the upper lifting hole and the lower lifting hole again to block the lifting hole, and realize reseal, then, the control panel is loosened, the transverse sliding plate and the control rod are driven to move towards the direction of the rack under the action of the return force of the compression spring, the rack is propped against the conical ejector head, the ventilating plate is fixed, the moving handle is moved downwards, the moving handle drives the driving sliding seat and the driving magnet to descend, then the driven magnet fixed on the driven sliding seat descends and slides along with the conical ejector head, the sealing plate fixedly connected with the driven sliding seat is moved to the position below the plurality of inlet holes, the plurality of inlet holes are opened for repeated cyclic utilization after hot air is dried again, the whole replacement operation is simple, convenient and rapid, the integral sealing performance is high, and the safety is good during replacement.

The invention is further configured to: and the sealing plate is provided with an elastic sealing gasket which is in sealing contact with the inner side wall of the sealing chamber.

Through adopting above-mentioned technical scheme, in order to further improve a plurality of sealed access holes of closing plate, prevent when changing cylindrical drier, take the steam of aqueous vapor to enter into and cause the incident in the sealed drying cabinet, be equipped with the elastic seal pad on the closing plate, the elastic seal pad is with the inside wall sealing contact of seal chamber.

The invention is further configured to: the upper conveying belt, the lower conveying belt and the main conveying belt are made of high-temperature-resistant porous woven belts with good heat conductivity and air permeability, and polytetrafluoroethylene is coated on the surfaces of the upper conveying belt and the lower conveying belt.

By adopting the technical scheme, in order to ensure that the heat of the heater can be efficiently transferred to the corrugated board, the upper conveying belt, the lower conveying belt and the main conveying belt have better heat transfer performance and air permeability, so that the materials are selected and the heat transfer performance and the air permeability of the materials are paid attention to, and for example, the corrugated board can be made of high-temperature-resistant porous woven belts with good heat transfer performance and air permeability. In addition, the surfaces of the upper and lower conveyor belts are coated with a non-stick material, such as polytetrafluoroethylene.

The invention also discloses a production method suitable for the corrugated case production line, which is characterized by comprising the following steps:

s1, drying and processing: the corrugated board is electrically dried, and then sequentially subjected to hot air drying and lamp source drying, in the electric drying process, heat generated by electric heating of the heater, the upper hot roller and the lower hot roller in the heating drying box is discharged from the exhaust pipe, in the discharging process, a fan on the exhaust pipe operates to accelerate the entry of hot air with moisture into the sealing drying box, the hot air with the moisture enters the sealing chamber from a plurality of inlet holes and enters the drying agent chamber through the sealing chamber, the hot air fully dried by the cylindrical drying agent enters the air outlet chamber through the ventilating plate, the dried hot air is introduced to the hot air hole through the drying air outlet pipe, and the corrugated board in the hot air drying box is hot air dried from top to bottom;

s2, taking out the waste drying agent: when the cylindrical drying agent is replaced, the movable handle is moved upwards, the movable handle drives the driving sliding seat and the driving magnet to ascend, then the driven magnet fixed on the driven sliding seat ascends and slides along with the driving sliding seat, the sealing plate fixedly connected with the driven sliding seat is moved to the positions of the plurality of inlet holes and seals the plurality of inlet holes, the exhaust pipe is isolated from the sealed drying box, at the moment, an operator pulls the control plate to drive the control rod to move towards the direction far away from the rack to drive the transverse sliding plate to extrude the compression spring so as to enable the conical top head to stop ejecting the fixed rack, then the operator rotates the driving handle to drive the gear turntable to rotate, the gear turntable is matched with the rack to enable the gear rotating shaft to be in transmission connection with the vertical transmission plate, and therefore the air permeable plate and the two transverse plates are lifted downwards, after the bottom of the ventilation plate is exposed out through the lifting hole, the deactivated cylindrical drying agent in the drying agent chamber is taken out by adopting a tool such as a clamp or a pliers;

s3, desiccant replacement: after the drying device is taken out, an operator rotates the driving handle to drive the gear turntable to rotate, the gear rotating shaft and the vertical transmission plate are driven to enable the ventilating plate and the two transverse plates to ascend and descend upwards, the top of the ventilating plate passes through the lifting hole and the groove, the top of the ventilating plate ascends to a position above the right end of the fifth plate and is larger than the diameter of the cylindrical drying agent, the ascending is stopped, the control plate is loosened, the transverse sliding plate and the control rod are driven to move towards the direction of the rack under the action of the restoring force of the compression spring, the rack is propped against the rack through the conical jacking head to fix the ventilating plate, at the moment, the operator rotates the rotating handle connected with one end of the rotating shaft to drive the rotating shaft to rotate, a second plate above the fourth plate is driven to press the fourth plate downwards along with the rotation of the rotating shaft, the cylindrical drying agent on the first plate simultaneously falls onto the fifth plate, and the other two second plates, under the action of the return force of the spring, the fourth plate is driven to rebound and prop against the second plate, the cylindrical drying agent falling onto the fifth plate rolls to a position between the ventilating plate and the two transverse plates along the fifth plate under the action of self gravity, the fourth plate is pressed down once to rebound and fall into one cylindrical drying agent, and the cylindrical drying agent with the expected quantity can be fed after the rotating handle is rotated for multiple circles;

s4, completing resetting: after the addition is completed, an operator pulls the control panel to drive the control rod to move towards the direction far away from the rack, the transverse sliding plate is driven to extrude the compression spring, the conical top head stops propping against the fixed rack, then the operator rotates the driving handle to drive the gear turntable to rotate, so that the air permeable plate and the two transverse plates are lifted and reset downwards, the two transverse plates return to the upper lifting hole and the lower lifting hole again and block the lifting holes to realize resealing and avoid air leakage, then the control panel is loosened, the transverse sliding plate and the control rod are driven to move towards the rack direction under the restoring force of the compression spring, the air permeable plate is fixed by propping against the rack through the conical top head, the movable handle is moved downwards, the movable handle drives the active sliding seat and the active magnet to descend, then the passive magnet fixed on the passive sliding seat descends along with the passive magnet, so that the sealing plate fixedly connected with the passive sliding seat moves, and opening a plurality of inlet holes to carry out hot air drying again and then repeating the circulating utilization.

Through adopting above-mentioned technical scheme, whole stoving corrugated container board's drying process drying efficiency is high, is convenient for change cylindrical drier, and the leakproofness is high, and the security is high when changing, changes easy and simple to handle, and is high to the utilization ratio of the energy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partially enlarged structural diagram of a portion a in fig. 1.

Fig. 3 is a partially enlarged structural diagram of part B in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the present invention discloses a corrugated cardboard box production line, comprising an upper conveying device, a lower conveying device and a heater 1 for providing a baked corrugated cardboard, wherein the upper conveying device comprises an upper conveying belt 2, an upper driving roller 3, an upper driving motor for driving the upper driving roller 3 to rotate, and an upper heat roller 4 supporting the upper conveying belt 2 together with the upper driving roller 3 and capable of heating the upper conveying belt 2, and the lower conveying device comprises a lower conveying belt 5, a lower driving roller 6, a lower driving motor for driving the lower driving roller 6 to rotate, and a lower heat roller 7 supporting the lower conveying belt 5 together with the lower driving roller 6 and capable of heating the lower conveying belt 5; the heater 1 is positioned between the lower conveyer belts 5, the corrugated board is clamped between the upper conveyer belt 2 and the lower conveyer belt 5 to be conveyed, and the corrugated board has no relative displacement relative to the upper conveyer belt 2 and the lower conveyer belt 5 in the conveying process.

By adopting the technical scheme, under the driving action of the upper driving motor and the lower driving motor, the upper driving roller 3 and the lower driving roller 6 run and rotate, the upper conveying belt 2 and the lower conveying belt 5 are driven to transmit through the upper hot roller 4 and the lower hot roller 7 respectively, the corrugated board is clamped between the upper conveying belt 2 and the lower conveying belt 5 and is conveyed, and the corrugated board does not have relative displacement relative to the upper conveying belt 2 and the lower conveying belt 5 in the conveying process, so that the surface of the corrugated board is separated from the surface of the heater, the corrugated board is not in direct contact with the heater and is not rubbed, the damage to a surface protective plastic film possibly caused by the relative movement between the corrugated board and the heater is avoided, and the surface deformation of the corrugated board is avoided.

In the embodiment of the invention, the device further comprises a main conveying device, a heating and drying box 8, a hot air drying box 9 and a lamp source drying box 10 which are sequentially arranged from left to right, wherein the upper conveying device, the lower conveying device and the heater 1 are arranged in the heating and drying box 8, the main conveying device comprises a main conveying belt 11 which penetrates out of the heating and drying box 8 from the output ends of the upper conveying belt 2 and the lower conveying belt 5 and sequentially penetrates through the hot air drying box 9 and the lamp source drying box 10, a conveying roller 12 for supporting and conveying the main conveying belt 11 and a main driving motor for driving the conveying roller 12 to rotate.

Through adopting above-mentioned technical scheme, carry out the electric drying between the last conveyer belt 2 and the lower conveyer belt 5 of sending into heating stoving case 8 with corrugated container board earlier, can reach seven more than the stoving effects to corrugated container board, corrugated container board after the electric drying enters into hot-air drying case 9, dry corrugated container board once more through hot-blast, can make corrugated container board's stoving effect reach nine more than one, then send into lamp source stoving case 10 again, make corrugated container board reach whole stoving, the phenomenon that can not produce deformation or fracture at the in-process of drying, improve oven-dry mass.

In the embodiment of the present invention, an exhaust pipe 13 is disposed at the top of the heating and drying box 8, a plurality of hot air holes 14 are disposed at the top of the hot air drying box 9, a plurality of bulbs 15 are disposed at the top of the lamp source drying box 10, and an exhaust fan 16 is disposed at the top of the lamp source drying box 10.

Through adopting above-mentioned technical scheme, 8 tops of heating stoving case are provided with blast pipe 13, the moisture that produces in the drying process can be got rid of through blast pipe 13, corrugated container board after the electric drying enters into hot-air drying case 9, dry once more corrugated container board through hot-blast, can make corrugated container board's stoving effect reach more than nine times, then carry out the light source stoving, certain temperature and velocity of flow are required in the flow of wet molecule, heat the wet molecule through a plurality of bulbs 15, exhaust fan 16 through the top accelerates the flow of molecule, make corrugated container board reach whole stoving, can not produce the phenomenon of deformation or fracture at the in-process of drying.

In the embodiment of the present invention, the upper end of the exhaust pipe 13 is dried by the updraft drying assembly, and then dry hot air is supplied to the hot air holes 14.

By adopting the technical scheme, the corrugated board is electrically dried firstly and then sequentially subjected to hot air drying and lamp source drying, in the electric drying process, heat generated by the electric heating of the heater 1, the upper hot roller 4 and the lower hot roller 7 for baking the corrugated board is directly discharged from the exhaust pipe 13 at the top of the heating and drying box 8, and hot air needs to be introduced into the hot air drying box 9 from a plurality of hot air holes 14 in the hot air drying process to play a role of hot air drying, the part needs independent hot air supply, the energy consumption is very high, the exhaust air drying component is arranged at the upper end of the exhaust pipe 13, hot air with moisture and generated by the part and originally directly discharged is dried by the exhaust air drying component and then is supplied to the hot air holes 14 for hot air drying the corrugated board from top to bottom, and the utilization rate of energy is improved, meanwhile, the drying efficiency of the corrugated board dried by hot air after being dried by the air draft drying component is greatly improved, the production cost is reduced, and the efficiency is improved.

In the embodiment of the present invention, the ventilation drying assembly includes a sealed drying box 21 connected to the end of the exhaust pipe 13 and a fan 22 connected in series to the exhaust pipe 13, a movable magnetic sealing device is disposed in the sealed drying box 21, the movable magnetic sealing device includes a sealing chamber, a desiccant chamber, an air outlet chamber and an isolation chamber, the sealing chamber is connected to the sealed drying box 21 in a sealing manner, an inlet hole 23 is disposed at the upper portion of the sealed drying box 21 and is communicated with the sealing chamber, the air outlet end of the exhaust pipe 13 is connected to the inlet hole 23, a sliding plate is vertically and movably fitted in the sealing chamber, the sliding plate is composed of a sealing plate 24 and a passive sliding seat 25, the sealing plate 24 is fixedly connected to the passive sliding seat 25, a passive magnet is fixedly disposed on the passive sliding seat 25, a plurality of cylindrical desiccants 26 are disposed in the desiccant chamber, the desiccant, the upper end and the lower end of the air permeable plate 31 are respectively connected with a transverse plate 32, the upper side and the lower side of the sealed drying box 21 are respectively provided with a lifting hole, the two transverse plates 32 are arranged at the lifting holes in a lifting way, the bottom of the sealed drying box 21 is provided with a driving lifting device for controlling the lifting of the air permeable plate 31 and the two transverse plates 32, the top of the sealed drying box 21 is provided with a control desiccant adding device for controlling the storage of a cylindrical desiccant 26 into a desiccant chamber, the air outlet chamber is connected with an isolation chamber, a separation plate 27 is arranged between the air outlet chamber and the isolation chamber, the isolation chamber is vertically and movably matched with an active sliding seat 28, the active sliding seat 28 is fixedly provided with an active magnet and a movable handle 29, the outer wall of the isolation chamber is provided with a sliding groove 30, the movable handle 29 is movably matched with the sliding groove 30, the active magnet, the movable driving magnet and the driven magnet move along with the driving magnet, and the partition plate 27 of the air outlet chamber is connected with the hot air holes 14 through the drying air outlet pipe 41.

By adopting the technical scheme, the corrugated board is electrically dried firstly, and then is sequentially dried by hot air and a lamp source, in the electric drying process, the hot air of the corrugated board dried by the heat generated by the electric heating of the heater 1, the upper hot roller 4 and the lower hot roller 7 in the heating and drying box 8 is discharged from the exhaust pipe 13, and in the discharging process, the fan 22 on the exhaust pipe 13 operates to accelerate the hot air with moisture to enter the sealed drying box 21, the movable magnetic sealing device is arranged in the sealed drying box 21 and comprises a sealing chamber, a drying agent chamber, an air outlet chamber and an isolation chamber, the sealing chamber is hermetically connected with the sealed drying box 21, the upper part of the sealed drying box 21 is provided with an inlet hole 23 communicated with the sealing chamber, the air outlet end of the exhaust pipe 13 is connected with the inlet hole 23, the hot air with moisture enters the sealing chamber from the inlet holes 23, the drying agent chamber is connected with the air outlet chamber, a ventilating plate 31 is arranged between the drying agent chamber and the air outlet chamber, the fully dried hot air passes through the ventilating plate 31 and then enters the air outlet chamber, a separation plate 27 of the air outlet chamber is connected with a plurality of hot air holes 14 through a drying air outlet pipe 41, the dried hot air is introduced into the hot air holes 14 through the drying air outlet pipe 41, the corrugated boards in the hot air drying box 9 are dried by hot air from top to bottom, the cylindrical drying agent 26 needs to be replaced after the hot air with moisture is dried for a long time by the cylindrical drying agent 26, and the movable handle 29 is moved upwards when the cylindrical drying agent 26 is replaced, the movable handle 29 drives the active slide seat 28 and the active magnet to ascend, then the passive magnet fixed on the passive slide seat 25 ascends and slides along with the active magnet, so that the sealing plate 24 fixedly connected with the passive slide seat 25 moves to the positions of the plurality of inlet holes 23, and seals the plurality of inlet holes 23, the exhaust pipe 13 is isolated from the sealed drying box 21, the danger of hot air entering the sealed drying box 21 to replace when the drying agent is replaced is avoided, the sealing performance is high, the hot air is prevented from being leaked and ventilated, the driving lifting device for controlling the lifting of the ventilating plate 31 and the two transverse plates 32 is arranged at the bottom of the sealed drying box 21, the control drying agent adding device for controlling the cylindrical drying agent 26 to be stored into the drying agent chamber is arranged at the top of the sealed drying box 21, at the moment, the lifting device is operated and driven by an operator, so that the ventilating plate 31 and the two transverse plates 32 ascend and, taking out the inactivated cylindrical drying agent 26 in the drying agent chamber by using a tool such as a clamp or a pliers, taking out the inactivated cylindrical drying agent 26, operating and driving a lifting device by an operator to lift the air permeable plate 31 and the two transverse plates 32 upwards, controlling the drying agent adding device to sequentially send the cylindrical drying agent 26 between the air permeable plate 31 and the two transverse plates 32 after the top of the air permeable plate 31 extends out, at the moment, operating and driving the lifting device by the operator to lift the air permeable plate 31 and the two transverse plates 32 downwards to reset, returning the two transverse plates 32 to the upper lifting hole and the lower lifting hole again and blocking the lifting hole to realize resealing and avoid air leakage, then moving the moving handle 29 downwards, driving the driving slide seat 28 and the driving magnet to descend by the moving handle 29, then, descending and sliding the driven magnet fixed on the driven slide seat 25 along with the driven slide seat 24 to move the sealing plate 24 fixedly connected with the driven slide seat 25 to the positions below, and the plurality of inlet holes 23 are opened to carry out repeated circulating utilization after drying the hot air again, the whole replacement operation is simple and quick, the whole sealing performance is high, the safety during replacement is good, the replacement operation is facilitated, the passive slide seat 25 and the active slide seat 28 are matched with each other through the active magnet and the passive magnet, and the passive slide seat 25 and the active slide seat 28 can move and stop fixing at any time through the mutual attraction without an additional fastening structure.

In the embodiment of the invention, the device for controlling the addition of the desiccant comprises a sealed box 51 arranged at the top of the sealed drying box 21, a first plate 52 is obliquely arranged on the right side wall of the sealed box 51, a plurality of cylindrical desiccants 26 are placed on the first plate 52, a groove 53 is formed in the left end part of the first plate 52, a rotating shaft 54 is horizontally arranged in the groove 53, three second plates 55 are arranged on the rotating shaft 54 at intervals along the circumferential direction, a third plate 56 is vertically arranged above the groove 53 and at the top in the sealed box 51, the distance from the bottom end of the third plate 56 to the end part of the second plate 55 is smaller than the diameter of the cylindrical desiccants 26, a fourth plate 57 is rotatably arranged on the left side inner wall of the sealed box 51 and at one side of the rotating shaft 54, and the bottom surface of the end part of the fourth plate 57 is connected with the left side inner, the inner wall of the left side of the seal box 51 is obliquely provided with a fifth plate 58 below the fourth plate 57, the right end of the fifth plate 58 is obliquely extended to the bottom in the seal box 51, a slot penetrating up and down to the lifting hole is formed in the position of the bottom, and one end of the rotating shaft 54 is connected with a rotating handle 59 after being rotatably penetrated out of the seal box 51.

By adopting the technical scheme, the corrugated board is electrically dried firstly, and then is sequentially subjected to hot air drying and lamp source drying, in the electric drying process, the hot air of the corrugated board dried by the heat generated by the electric heating of the heater 1, the upper hot roller 4 and the lower hot roller 7 in the heating and drying box 8 is discharged from the exhaust pipe 13, in the discharging process, the fan 22 on the exhaust pipe 13 operates to accelerate the hot air with the moisture to enter the sealed drying box 21, the hot air with the moisture enters the sealed chamber from the plurality of inlet holes 23 and enters the drying agent chamber through the sealed chamber, the hot air fully dried by the cylindrical drying agent 26 enters the air outlet chamber after passing through the ventilating plate 31, the dried hot air is introduced to the hot air holes 14 through the drying air outlet pipe 41 and is subjected to hot air drying on the corrugated board in the hot air drying box 9 from top to bottom, after the cylindrical drying agent 26 dries the hot gas with moisture for a long time, the cylindrical drying agent 26 needs to be replaced; when the cylindrical drying agent 26 is replaced, the moving handle 29 is moved upwards, the moving handle 29 drives the driving slide seat 28 and the driving magnet to ascend, then the driven magnet fixed on the driven slide seat 25 ascends and slides along with the driven magnet, so that the sealing plate 24 fixedly connected with the driven slide seat 25 moves to the positions of the plurality of inlet holes 23 and seals the plurality of inlet holes 23, the exhaust pipe 13 is isolated from the sealed drying box 21, at the moment, an operator operates and drives the lifting device to lift the ventilating plate 31 and the two transverse plates 32 downwards, after the bottom of the ventilating plate 31 is exposed through the lifting holes, the cylindrical drying agent 26 inactivated in the drying agent chamber is taken out by using a tool such as a clamp or a pliers, after the cylindrical drying agent is taken out, the operator operates and drives the lifting device to lift the ventilating plate 31 and the two transverse plates 32 upwards, the right end of the fifth plate 58 downwards inclines to extend to the bottom in the sealed box 51, and the, the top of the ventilation plate 31 passes through the lifting hole and the slot, and the top of the ventilation plate 31 is lifted to a position above the right end of the fifth plate 58 and is larger than the diameter of the cylindrical drying agent 26, and then the lifting stops, at this time, an operator rotates a rotating handle 59 connected with one end of the rotating shaft 54 to drive the rotating shaft 54 to rotate, a plurality of cylindrical drying agents 26 are placed on the first plate 52, a groove 53 is formed in the left end of the first plate 52, a third plate 56 is vertically installed above the groove 53 and on the top of the sealing box 51, three second plates 55 are installed on the rotating shaft 54 at equal intervals along the circumferential direction, a fourth plate 57 is rotatably installed on the left inner wall of the sealing box 51 and on one side of the rotating shaft 54, the bottom surface of the end of the fourth plate 57 is connected with the left inner wall of the sealing box 51 through a spring 76, and when the rotating shaft 54 does not rotate, the fourth plate 57, the distance from the bottom end of the third plate 56 to the end of the second plate 55 is smaller than the diameter of the cylindrical drying agents 26, so as to limit the cylindrical drying agents 26 from rolling over the fourth plate 57, and with the rotation of the rotating shaft 54, the second plate 55 above the fourth plate 57 is driven to press down the fourth plate 57, and simultaneously the cylindrical drying agents 26 on the first plate 52 fall down onto the fifth plate 58, and the two second plates 55 drive the cylindrical drying agent 26 on the first plate 52 to rotate over the fourth plate 57, and with the restoring force of the spring 76, the fourth plate 57 is driven to rebound against the second plate 55, and the cylindrical drying agent 26 falling onto the fifth plate 58 rolls between the ventilating plate 31 and the two transverse plates 32 along the fifth plate 58 under the self-gravity action, the fourth plate 57 is pressed down once and rebounded to drop into a cylindrical drying agent 26, the expected amount of cylindrical drying agent 26 can be fed after the rotating handle 59 is rotated for a plurality of circles, after the addition is finished, the lifting device is driven by the operation of an operator, so that the air permeable plate 31 and the two transverse plates 32 are lifted and reset downwards, the two transverse plates 32 return to the upper and lower lifting holes again and block the lifting holes, to realize resealing and avoid air leakage, then, the moving handle 29 is moved downwards, the moving handle 29 drives the active slide 28 and the active magnet to descend, then, the passive magnet fixed on the passive slide 25 descends and slides along with it, so that the sealing plate 24 fixedly connected with the passive slide 25 moves to a position below the plurality of inlet holes 23, and the plurality of inlet holes 23 are opened to carry out hot gas drying again and then the hot gas is recycled, the whole replacement operation is simple, convenient and quick, the whole sealing performance is high, and the safety is good during replacement.

In the embodiment of the invention, the driving lifting device comprises a lifting control seat 61 arranged at the bottom of the sealed drying box 21 and a gear rotating shaft 62 rotatably arranged on the lifting control seat 61, a gear rotating disc 63 is fixed on the gear rotating shaft 62, a vertical transmission plate 64 is connected at the bottom of the transverse plate 32 below the gear rotating shaft 62, a rack is arranged on one side wall of the vertical transmission plate 64 facing the lifting control seat 61, the gear rotating disc 63 is matched with the rack to enable the gear rotating shaft 62 and the vertical transmission plate 64 to be in transmission connection, one end of the gear rotating shaft 62 is connected with a driving handle 65, a limiting fixing component for controlling the fastening rack is arranged on the lifting control seat 61, the limiting fixing component comprises a fixed seat 66 arranged on the lifting control seat 61 and a transverse groove 67 arranged on one side wall of the fixed seat 66 facing the rack, a transverse sliding plate 68 is arranged in the transverse groove 67 in a sliding, the improved drying device is characterized in that a conical top head 69 is connected to the transverse sliding plate 68, the conical top head 69 extends out of the transverse groove 67 and then supports against the rack, a control rod 70 is fixed to one side, away from the rack, of the transverse sliding plate 68, one end of the control rod 70 penetrates through the fixed seat 66 and is connected with a control plate 71, a compression spring 72 is arranged between the transverse sliding plate 68 and the bottom of the transverse groove 67 around the control rod 70, and a guide rod 73 used for guiding the vertical transmission plate 64 to ascend and descend is arranged at the bottom of the sealed drying box 21.

By adopting the technical scheme, the corrugated board is electrically dried firstly, and then is sequentially subjected to hot air drying and lamp source drying, in the electric drying process, the hot air of the corrugated board dried by the heat generated by the electric heating of the heater 1, the upper hot roller 4 and the lower hot roller 7 in the heating and drying box 8 is discharged from the exhaust pipe 13, in the discharging process, the fan 22 on the exhaust pipe 13 operates to accelerate the hot air with the moisture to enter the sealed drying box 21, the hot air with the moisture enters the sealed chamber from the plurality of inlet holes 23 and enters the drying agent chamber through the sealed chamber, the hot air fully dried by the cylindrical drying agent 26 enters the air outlet chamber after passing through the ventilating plate 31, the dried hot air is introduced to the hot air holes 14 through the drying air outlet pipe 41 and is subjected to hot air drying on the corrugated board in the hot air drying box 9 from top to bottom, after the cylindrical drying agent 26 dries the hot gas with moisture for a long time, the cylindrical drying agent 26 needs to be replaced; when the cylindrical drying agent 26 is replaced, the moving handle 29 is moved upwards, the moving handle 29 drives the driving slide seat 28 and the driving magnet to ascend, then the driven magnet fixed on the driven slide seat 25 ascends and slides along with the driven magnet, so that the sealing plate 24 fixedly connected with the driven slide seat 25 moves to the positions of the plurality of inlet holes 23 and seals the plurality of inlet holes 23, the exhaust pipe 13 is isolated from the sealed drying box 21, at this time, an operator pulls the control plate 71 to drive the control rod 70 to move in the direction away from the rack, drives the transverse sliding plate 68 to squeeze the compression spring 72, so that the conical top head 69 stops propping against the fixed rack, then the operator rotates the driving handle 65 to drive the gear rotating plate 63 to rotate, the gear rotating plate 63 is matched with the rack to drive the gear rotating shaft 62 and the vertical driving plate 64 to be connected, so that the ventilation plate 31 and the two transverse plates 32 ascend and descend, and the bottom of the, taking out the inactivated cylindrical drying agent 26 in the drying agent chamber by using a tool such as a clamp or a pliers, taking out the inactivated cylindrical drying agent, rotating a driving handle 65 by an operator to drive a gear turntable 63 to rotate, driving a gear rotating shaft 62 and a vertical transmission plate 64 to enable a ventilating plate 31 and two transverse plates 32 to lift upwards, enabling the top of the ventilating plate 31 to pass through a lifting hole and a slot, enabling the top of the ventilating plate 31 to lift to a position above the right end of a fifth plate 58 and be larger than the diameter of the cylindrical drying agent 26, stopping lifting, loosening a control plate 71, driving a transverse sliding plate 68 and a control rod 70 to move towards a rack direction under the restoring action force of a compression spring 72, propping against the rack through a conical top head 69 to fix the ventilating plate 31, rotating a rotating handle 59 connected with one end of an operating rotating shaft 54 at the moment to drive the rotating shaft 54 to rotate, placing a, the left end of the first plate 52 is provided with a groove 53, a third plate 56 is vertically arranged above the groove 53 and positioned at the top in the sealed box 51, three second plates 55 are arranged on the rotating shaft 54 at equal intervals along the circumferential direction, a fourth plate 57 is rotatably arranged on the left inner wall of the sealed box 51 and positioned at one side of the rotating shaft 54, the bottom surface of the end part of the fourth plate 57 is connected with the left inner wall of the sealed box 51 through a spring 76, when the rotating shaft 54 does not rotate, the fourth plate 57 carries out limit support on the second plate 55 under the action of the spring 76 to prevent the second plate 55 from being pushed to rotate under the gravity action of a plurality of cylindrical drying agents 26 and being incapable of being normally controlled, the distance from the bottom end of the third plate 56 to the end part of the second plate 55 is smaller than the diameter of the cylindrical drying agents 26 and is used for limiting and preventing a plurality of cylindrical drying agents 26 from rolling above the, the second plate 55 above the fourth plate 57 is driven to press down the fourth plate 57, and simultaneously the cylindrical drying agent 26 on the first plate 52 falls onto the fifth plate 58, the other two second plates 55 drive the cylindrical drying agent 26 on the first plate 52 to rotate above the fourth plate 57, under the restoring force of the spring 76, the fourth plate 57 is driven to rebound and prop against the second plate 55, the cylindrical drying agent 26 falling onto the fifth plate 58 rolls along the fifth plate 58 to between the ventilating plate 31 and the two transverse plates 32 under the self-gravity action, the single downward pressing rebound falling of the fourth plate 57 is sent into the cylindrical drying agent 26, after the rotating handle 59 is rotated for a plurality of circles, the expected amount of cylindrical drying agent 26 can be sent into the cylindrical drying agent 26, after the addition is completed, an operator pulls the control plate 71 to drive the control rod 70 to move in the direction away from the rack, and drives the transverse sliding plate 68 to squeeze the compression spring 72, the conical top 69 stops to prop against the fixed rack, then the operator rotates the driving handle 65 to drive the gear turntable 63 to rotate, the gear turntable 63 is matched with the rack to drive the gear rotating shaft 62 and the vertical transmission plate 64 to be connected, so that the air permeable plate 31 and the two transverse plates 32 are lifted and reset downwards, the two transverse plates 32 return to the upper lifting hole and the lower lifting hole again to block the lifting holes, resealing is realized to avoid air leakage, then the control plate 71 is loosened, the transverse sliding plate 68 and the control rod 70 are driven to move towards the direction of the rack under the restoring force of the compression spring 72, the conical top 69 props against the rack to fix the air permeable plate 31, the moving handle 29 is moved downwards, the moving handle 29 drives the driving slide seat 28 and the driving magnet to descend, then the driven magnet fixed on the driven slide seat 25 descends to slide along with the driven slide seat 25, and the sealing plate 24 fixedly connected with the driven slide seat 25 is moved to the positions below, and the plurality of inlet holes 23 are opened to carry out hot gas drying again and then the hot gas is recycled, the whole replacement operation is simple, convenient and quick, the whole sealing performance is high, and the safety is good during replacement.

In the embodiment of the present invention, the sealing plate 24 is provided with an elastic sealing gasket 42, and the elastic sealing gasket 42 is in sealing contact with the inner side wall of the sealing chamber.

By adopting the technical scheme, in order to further improve the sealing effect of the sealing plate 24 on the plurality of inlet holes 23 and prevent safety accidents caused by the fact that steam with steam enters the sealing drying box 21 when the cylindrical drying agent 26 is replaced, the sealing plate 24 is provided with the elastic sealing gasket 42, and the elastic sealing gasket 42 is in sealing contact with the inner side wall of the sealing chamber.

In the embodiment of the present invention, the upper conveyor belt 2, the lower conveyor belt 5 and the main conveyor belt 11 are made of a high temperature resistant porous woven belt having good heat transfer and air permeability, and the surfaces of the upper conveyor belt 2 and the lower conveyor belt 5 are coated with teflon.

By adopting the technical scheme, in order to ensure that the heat of the heater 1 can be efficiently transferred to the corrugated board, the upper conveying belt 2, the lower conveying belt 5 and the main conveying belt 11 have good heat transfer performance and air permeability, so that the materials selected should pay attention to the heat transfer performance and the air permeability of the materials, and for example, the corrugated board can be made of high-temperature-resistant porous woven belts with good heat transfer performance and air permeability. In addition, the surfaces of the upper and lower conveyor belts 2, 5 are coated with a non-stick material, such as polytetrafluoroethylene.

The invention also discloses a production method suitable for the corrugated case production line, which comprises the following steps in the specific embodiment of the invention:

s1, drying and processing: the corrugated board is electrically dried firstly, and then is sequentially dried by hot air and a lamp source, in the process of electric drying, the hot air for drying the corrugated board, which is generated by the electric heating of the heater 1, the upper hot roller 4 and the lower hot roller 7 in the heating drying box 8, is discharged from the exhaust pipe 13, and in the process of discharge, the fan 22 on the exhaust pipe 13 operates to accelerate the entry of the hot air with moisture into the sealed drying box 21, the hot air with moisture enters the sealed chamber from the inlet holes 23 and enters the drying agent chamber through the sealed chamber, the hot air fully dried by the cylindrical drying agent 26 enters the air outlet chamber after passing through the ventilating plate 31, the dried hot air is introduced into the hot air hole 14 through the drying air outlet pipe 41, and the corrugated board in the hot air drying box 9 is dried by hot air from top to bottom;

s2, taking out the waste drying agent: when the cylindrical drying agent 26 needs to be replaced after the hot air with moisture is dried for a long time, when the cylindrical drying agent 26 is replaced, the moving handle 29 is moved upwards, the moving handle 29 drives the driving slide seat 28 and the driving magnet to ascend, then the driven magnet fixed on the driven slide seat 25 ascends and slides along with the driving slide seat, so that the sealing plate 24 fixedly connected with the driven slide seat 25 moves to the positions of the plurality of inlet holes 23 and seals the plurality of inlet holes 23, the exhaust pipe 13 is isolated from the sealed drying box 21, at this time, an operator pulls the control plate 71 to drive the control rod 70 to move in the direction away from the rack, drives the transverse sliding plate 68 to squeeze the compression spring 72, so that the conical top head 69 stops propping against the fixed rack, then the operator rotates the driving handle 65 to drive the gear rotating plate 63 to rotate, the gear rotating plate 63 is matched with the rack to drive the gear rotating shaft 62 to be connected, so that the air permeable plate 31 and the two transverse plates 32 are lifted downwards, and after the bottom of the air permeable plate 32 is exposed through the lifting holes, the deactivated cylindrical drying agent 26 in the drying agent chamber is taken out by using a tool such as a clamp or a pliers;

s3, desiccant replacement: after being taken out, an operator rotates the driving handle 65 to drive the gear turntable 63 to rotate, the gear rotating shaft 62 and the vertical transmission plate 64 are driven to enable the ventilating plate 31 and the two transverse plates 32 to lift upwards, the top of the ventilating plate 31 passes through the lifting hole and the slot, the top of the ventilating plate 31 rises to a position above the right end of the fifth plate 58 and is larger than the diameter of the cylindrical drying agent 26, the lifting is stopped, the control plate 71 is loosened, the transverse sliding plate 68 and the control rod 70 are driven to move towards the rack under the restoring acting force of the compression spring 72, the conical ejector head 69 abuts against the rack to fix the ventilating plate 31, at the moment, the operator rotates the rotating handle 59 connected with one end of the operating rotating shaft 54 to drive the rotating shaft 54 to rotate, and drives one second plate 55 above the fourth plate 57 to press the fourth plate 57 downwards along with the rotation of the rotating shaft 54, and simultaneously enables the cylindrical drying agent 26 on the first plate 52 to fall onto the, the other two second plates 55 drive one cylindrical drying agent 26 on the first plate 52 to rotate to the position above the fourth plate 57, the fourth plate 57 is driven to rebound and prop against the second plate 55 under the restoring acting force of the spring 76, the cylindrical drying agent 26 falling onto the fifth plate 58 rolls to a position between the ventilating plate 31 and the two transverse plates 32 along the fifth plate 58 under the self-gravity action, the single fourth plate 57 is pressed downwards to rebound and fall into one cylindrical drying agent 26, and the expected amount of cylindrical drying agent 26 can be fed after the rotating handle 59 is rotated for a plurality of circles;

s4, completing resetting: after the completion of the joining, the operator pulls the control board 71 to drive the control rod 70 to move in a direction away from the rack, and drives the transverse sliding plate 68 to squeeze the compression spring 72, so that the conical top head 69 stops abutting against the fixed rack, and then the operator rotates the driving handle 65 to drive the gear turntable 63 to rotate, so that the air permeable plate 31 and the two transverse plates 32 go up and down to reset, and the two transverse plates 32 go back to the upper and lower lifting holes again and block the lifting holes to realize resealing and avoid air leakage, and then the control board 71 is loosened, and under the restoring force of the compression spring 72, the transverse sliding plate 68 and the control rod 70 are driven to move in the rack direction, and abut against the rack through the conical top head 69 to fix the air permeable plate 31, the moving handle 29 is moved downwards, the moving handle 29 drives the driving slide seat 28 and the driving magnet to descend, and then the driven magnet fixed on the driven slide seat 25 slides, the sealing plate 24 fixedly connected with the passive sliding seat 25 is moved to a position below the plurality of inlet holes 23, and the plurality of inlet holes 23 are opened to carry out drying of hot air again and then the cyclic utilization is repeated.

Through adopting above-mentioned technical scheme, whole stoving corrugated container board's drying process drying efficiency is high, is convenient for change cylindrical drier 26, and the leakproofness is high, and the security is high when changing, changes easy and simple to handle, and is high to the utilization ratio of the energy.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.