阅读说明：本技术 一种基于橡胶加工用的节能型预热装置 (Energy-saving preheating device based on rubber processing is used ) 是由 刘山 谢淑婷 刘孝男 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种基于橡胶加工用的节能型预热装置,涉及橡胶加工技术领域,解决了现有的橡胶预热装置容易导致加热时间过长造成能源的浪费；容易导致在橡胶加热过程中加热箱内部的热气和有害气体外漏的问题。一种基于橡胶加工用的节能型预热装置,包括加热箱；加热箱的内部左右两侧均固定设置有固定座；加热箱的内壁后侧固定设置有固定杆；所述连接块采用矩形块结构；连接块还包括有：挡板,挡板共设置有两组,且两组挡板分别固定设置于连接块的左右两侧,挡板的大小与加热箱左右两侧方形槽孔的大小相同；通过设置有加热箱、固定座和第二滑杆,能够避免出现加热时间过长造成能源浪费以及加热时间不足导致橡胶块达不到加工要求的现象。(The invention discloses an energy-saving preheating device for rubber processing, relates to the technical field of rubber processing, and solves the problem that the conventional rubber preheating device is easy to cause energy waste due to overlong heating time; easily causes the problem that hot gas and harmful gas inside the heating box leak out in the rubber heating process. An energy-saving preheating device for rubber processing comprises a heating box; the left side and the right side of the interior of the heating box are both fixedly provided with a fixed seat; a fixed rod is fixedly arranged on the rear side of the inner wall of the heating box; the connecting block is in a rectangular block structure; the connecting block is still including: the baffle plates are arranged in two groups, the two groups of baffle plates are respectively and fixedly arranged on the left side and the right side of the connecting block, and the size of the baffle plates is the same as that of the groove holes on the left side and the right side of the heating box; through being provided with heating cabinet, fixing base and second slide bar, can avoid appearing the phenomenon that the heating time overlength causes the energy waste and the heating time is not enough to lead to the block rubber to reach the processing requirement.)

1. The utility model provides an energy-saving preheating device based on rubber processing usefulness which characterized in that: comprises a heating box (1); square slotted holes are formed in the left side and the right side of the heating box (1); the left side and the right side of the interior of the heating box (1) are both fixedly provided with a fixed seat (3); a fixed rod (4) is fixedly arranged on the rear side of the inner wall of the heating box (1); the heating box (1) also comprises:

the top plate (101) is fixedly arranged at the top of the heating box (1), and a trapezoidal sliding groove is formed in the middle of the bottom of the top plate (101); the top of the top plate (101) is provided with a connecting block (2) in a sliding manner;

the connecting block (2) adopts a rectangular block structure; connecting block (2) still including:

the baffle plates (201), the baffle plates (201) are arranged in two groups, the two groups of baffle plates (201) are respectively and fixedly arranged on the left side and the right side of the connecting block (2), and the size of the baffle plates (201) is the same as that of the left side and the right side of the slotted holes of the heating box (1);

first rack (202), first rack (202) are fixed to be set up in the left side of connecting block (2).

2. The energy-saving preheating device for processing rubber according to claim 1, wherein: the heating box (1) also comprises:

the gear (102) is rotatably arranged at the bottom of the top plate (101) through hinged connection, and the gear (102) is meshed with the first rack (202);

the guide rails (103) are arranged in two groups, the two groups of guide rails (103) are respectively and fixedly arranged on the inner sides of the left and right groups of square slotted holes of the heating box (1), and the guide rails (103) are in sliding connection with the baffle (201);

the feeding conveyor belt (104) is rotatably arranged on the left side of the heating box (1) through hinged connection, and the top of the feeding conveyor belt (104) penetrates through a square groove hole in the left side of the heating box (1).

3. The energy-saving preheating device for processing rubber according to claim 2, wherein: the heating box (1) also comprises:

the discharging conveyor belt (105) is rotatably arranged on the right side of the heating box (1) through hinged connection, the top of the discharging conveyor belt (105) penetrates through a square groove hole in the right side of the heating box (1), and a driving shaft of the discharging conveyor belt (105) is in transmission connection with a driving shaft of the feeding conveyor belt (104) through a chain;

the top block (106), the top block (106) adopts a wedge-shaped block structure, and the top block (106) is fixedly arranged on the rear side of the inner wall of the heating box (1);

the power source (107), the power source (107) passes through the bolt fastening and sets up in the rear side of heating cabinet (1), and power source (107) are connected with the driving shaft transmission of exit conveyor (105).

4. The energy-saving preheating device for processing rubber according to claim 1, wherein: the heating box is characterized in that two groups of fixing seats (3) are arranged, the two groups of fixing seats (3) are fixedly arranged on the left side and the right side of the interior of the heating box (1) respectively, and a square cavity structure is formed in the interior of each fixing seat (3); the fixing seat (3) also comprises:

the double-layer gear (301) is rotatably arranged in a cavity in the fixed seat (3) through hinged connection;

the first sliding rods (302), the first sliding rods (302) are provided with four groups, the four groups of first sliding rods (302) are respectively arranged at the inner sides of the two groups of fixed seats (3) in a sliding manner, and the outer sides of the first sliding rods (302) are sleeved with elastic pieces;

the heating table (303), the heating table (303) is fixedly arranged at the top between the four groups of first sliding rods (302), and a through circular slot is formed in the rear side of the heating table (303); the rear side of the heating table (303) is provided with a second slide bar (5).

5. The energy-saving preheating device for processing rubber according to claim 4, wherein: the fixing seat (3) further comprises:

the two groups of second racks (304) are arranged on the second racks (304), the four groups of second racks (304) are respectively vertically and slidably arranged in the square cavities of the two groups of fixed seats (3), the second racks (304) are meshed and connected with the double-layer gear (301), and the second racks (304) are fixedly connected with the first sliding rod (302);

the third racks (305) and the third racks (305) are provided with four groups, the four groups of third racks (305) are respectively arranged on the front side and the rear side of the inside of the square cavity of the two groups of fixing seats (3) in a sliding mode, and the third racks (305) are meshed and connected with the double-layer gear (301).

6. The energy-saving preheating device for processing rubber according to claim 5, wherein: the fixing seat (3) further comprises:

the connecting rod (306) adopts a wedge-shaped block structure with a narrow top and a wide bottom, the connecting rod (306) is provided with two groups, the two groups of connecting rods (306) are respectively arranged on the front side and the rear side between the two groups of fixing seats (3), and two ends of each group of connecting rods (306) are respectively fixedly connected with one group of third racks (305).

7. The energy-saving preheating device for processing rubber according to claim 1, wherein: the fixed rod (4) further comprises:

the fourth rack (401) is arranged on the front side of the fixed rod (4) in a sliding mode, a cylindrical slotted hole is formed in the rear side of the fourth rack (401), and the fourth rack (401) is connected with the gear (102) in a meshed mode;

the contact block (402) is of a wedge-shaped block structure, and the contact block (402) is fixedly arranged on the front side of the fourth rack (401).

8. The energy-saving preheating device for processing rubber according to claim 4, wherein: the second sliding rod (5) is of a cylindrical structure, the second sliding rod (5) is arranged at a slotted hole at the rear side of the heating table (303) in a sliding mode, and an elastic part is sleeved on the outer side of the second sliding rod (5); the second slide bar (5) further comprises:

the push plate (501), the push plate (501) is fixedly arranged on the front side of the second slide bar (5), and the outer wall of the push plate (501) is attached to the inner wall of the heating table (303);

the ejector rod (502) adopts an L-shaped rod structure, the ejector rod (502) is fixedly arranged at the top of the rear side of the second sliding rod (5), and the top of the ejector rod (502) is flush with the top end face of the fourth rack (401).

Technical Field

The invention relates to the technical field of rubber processing, in particular to an energy-saving preheating device for rubber processing.

Background

In the process of rubber production, rubber needs to be vulcanized, and the rubber vulcanization temperature is about 165-175 ℃, for example, direct production at startup, products are difficult to form, so that production can be carried out only when the preheating temperature meets the requirement, and a rubber processing preheating device is needed.

Similar to the current rubber preheating device, the following defects exist:

1. the existing rubber preheating devices are mostly heated at fixed time and temperature, and the heating time cannot be automatically adjusted according to rubber blocks with different volumes or states, so that energy waste caused by overlong heating time is easily caused, or the heating time is insufficient, so that the rubber blocks do not meet the preheating requirement, and the development of production is not facilitated;

2. at the in-process of rubber heating, need artificially to operate the business turn over material mouth of heating cabinet, increased staff's work burden, if can not be timely seal the heating cabinet moreover, lead to the steam and the harmful gas of heating cabinet inside in the rubber heating process easily to leak outward, not only cause the loss of heat energy, increase the energy consumption, harmful gas is unfavorable for staff's healthy moreover.

Disclosure of Invention

Problem (A)

The invention aims to provide an energy-saving preheating device for rubber processing, which aims to solve the problems that the conventional rubber preheating device in the background art is mostly heated at a fixed time and a fixed temperature, and the heating time cannot be automatically adjusted according to rubber blocks with different volumes or states, so that the energy is easily wasted due to overlong heating time; easily lead to inside steam of heating case and harmful gas to leak outward at rubber heating in-process, cause the loss of heat energy, harmful gas is unfavorable for staff's healthy problem moreover.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving preheating device for rubber processing comprises a heating box; the heating box adopts a rectangular block structure with a hollow interior, and square slotted holes are formed in the left side and the right side of the heating box; the left side and the right side of the interior of the heating box are both fixedly provided with a fixed seat; a fixed rod is fixedly arranged on the rear side of the inner wall of the heating box; the heating cabinet is still including: the top plate is of a rectangular plate structure and is fixedly arranged at the top of the heating box, and a trapezoidal sliding groove is formed in the middle of the bottom of the top plate; the top of the top plate is provided with a connecting block in a sliding manner; the connecting block is in a rectangular block structure; the connecting block is still including: the baffle plates adopt a rectangular plate structure, two groups of baffle plates are arranged, the two groups of baffle plates are fixedly arranged on the left side and the right side of the connecting block respectively, and the size of the baffle plates is the same as that of the groove holes on the left side and the right side of the heating box; the first rack is fixedly arranged on the left side of the connecting block.

Further, the heating box further comprises: the gear is rotatably arranged at the bottom of the top plate through hinged connection and is in meshed connection with the first rack; the guide rails are arranged in two groups, the two groups of guide rails are respectively and fixedly arranged on the inner sides of the left and right groups of square slotted holes of the heating box, and the guide rails are in sliding connection with the baffle; the feeding conveyor belt is rotatably arranged on the left side of the heating box through hinged connection, and the top of the feeding conveyor belt penetrates through a square groove hole in the left side of the heating box; the discharging conveyor belt is rotatably arranged on the right side of the heating box through a hinge, the top of the discharging conveyor belt penetrates through the square groove hole in the right side of the heating box, and a driving shaft of the discharging conveyor belt is in transmission connection with a driving shaft of the feeding conveyor belt through a chain; the top block is of a wedge-shaped block structure and is fixedly arranged on the rear side of the inner wall of the heating box; the power supply, the power supply passes through the bolt fastening and sets up in the rear side of heating cabinet, and the power supply is connected with exit conveyor's driving shaft transmission, and the power supply is the motor.

Furthermore, the fixing seats are of rectangular block structures, two groups of fixing seats are arranged, the two groups of fixing seats are fixedly arranged on the left side and the right side of the interior of the heating box respectively, and a square cavity structure is formed in the interior of each fixing seat; the fixing base still including: the double-layer gear is rotatably arranged in the cavity in the fixed seat through hinged connection; the first sliding rods are provided with four groups, the four groups of first sliding rods are respectively arranged on the inner sides of the two groups of fixed seats in a sliding manner, and elastic parts are sleeved on the outer sides of the first sliding rods; the heating table is of a U-shaped plate structure, is fixedly arranged at the top among the four groups of first sliding rods, and is provided with a through circular groove hole at the rear side; a second slide bar is arranged at the rear side of the heating table; the two groups of second racks are arranged, the four groups of second racks are vertically and slidably arranged in the square cavities of the two groups of fixed seats respectively, the second racks are meshed with the double-layer gears and are fixedly connected with the first sliding rod; the four groups of third racks are respectively arranged on the front side and the rear side of the interior of the square cavities of the two groups of fixed seats in a sliding manner, and the third racks are meshed and connected with the double-layer gears; the connecting rod, the connecting rod adopts under the narrow wide wedge structure of width, and the connecting rod is provided with two sets ofly altogether, and two sets of connecting rods set up both sides around between two sets of fixing bases respectively, the both ends of every group connecting rod respectively with a set of third rack fixed connection.

Furthermore, the fixing rod adopts a cylindrical structure; the dead lever is still including: the fourth rack is arranged on the front side of the fixed rod in a sliding mode, a cylindrical slotted hole is formed in the rear side of the fourth rack, and the fourth rack is connected with the gear in a meshed mode; and the contact block is of a wedge-shaped block structure and is fixedly arranged on the front side of the fourth rack.

Furthermore, the second slide bar is of a cylindrical structure, is arranged at a slotted hole at the rear side of the heating table in a sliding manner, and is sleeved with an elastic piece which is a spring; the second slide bar further comprises: the push plate is of a rectangular plate structure, the push plate is fixedly arranged on the front side of the second slide bar, and the outer wall of the push plate is attached to the inner wall of the heating table; and the ejector rod is of an L-shaped rod structure, is fixedly arranged at the top of the rear side of the second slide rod, and is flush with the top end surface of the fourth rack.

(III) advantageous effects

The invention provides an energy-saving preheating device for processing rubber, which is characterized in that a heating box, a fixed seat and a second slide bar are arranged, a rubber block to be heated is conveyed to the top of a heating table through a feeding conveying belt to be heated, the heating table is pressed and linked with a connecting rod through the self weight of the rubber block, the softening degree of the rubber block is detected through the extrusion of the two groups of connecting rods to the rubber block, after the rubber block is heated, the heated rubber block is timely and automatically pushed into a discharging conveying belt through a push plate and moved out of the heating box, the heating softening degree of the rubber block can be automatically detected through the linkage of the connecting rod, the heating table and the second slide bar, so that the rubber block can be timely transferred out of the heating box after the softening degree required by processing is reached, the phenomena that the energy is wasted due to heating time and the rubber block cannot meet the processing requirement due to insufficient heating time are avoided, the energy-saving effect of the device is improved, meanwhile, the product quality is improved, and the next production is convenient to develop.

Through being provided with the heating cabinet, the connecting block, dead lever and second slide bar, the in-process in the rubber piece gets into the heating cabinet through the feeding conveyer belt, through drive fourth rack motion after meeting with the contact piece, thereby drive connecting block and baffle motion, and block the feed inlet and the discharge gate of heating cabinet through the baffle, avoid reducing the heat energy loss and the harmful gas of heating cabinet inside and leak outward, thereby further reduce the energy consumption of heating cabinet, reduce the harm to staff's health on every side simultaneously, the heating finishes the back and moves fourth rack reset motion through the ejector pin top, drive contact piece and baffle motion simultaneously, open feed inlet and discharge gate, be convenient for the business turn over of next a set of material, reduce artifical the participation, realize automated production.

Drawings

FIG. 1 is a schematic front perspective view of a heater box according to an embodiment of the present invention in a cross-sectional view;

FIG. 2 is a schematic bottom view of a heating chamber in a cross-sectional view according to an embodiment of the present invention;

FIG. 3 is a schematic axial view of a heating chamber according to an embodiment of the present invention with a top plate removed;

FIG. 4 is a schematic front side top view of a heater box of an embodiment of the present invention with the top plate removed;

FIG. 5 is a schematic top view of a heating chamber with a top plate removed according to an embodiment of the present invention;

FIG. 6 is an axial view of a connection between a fixed base and a second sliding rod according to an embodiment of the present invention;

FIG. 7 is a schematic bottom view of the connection between the fixing base and the second sliding rod according to the embodiment of the present invention;

FIG. 8 is a schematic view of an internal structure of a fixing base according to an embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a heating box; 101. a top plate; 102. a gear; 103. a guide rail; 104. a feed conveyor; 105. a discharge conveyor belt; 106. a top block; 107. a power source; 2. connecting blocks; 201. a baffle plate; 202. a first rack; 3. a fixed seat; 301. a double-layer gear; 302. a first slide bar; 303. a heating stage; 304. a second rack; 305. a third rack; 306. a connecting rod; 4. fixing the rod; 401. a fourth rack; 402. a contact block; 5. a second slide bar; 501. pushing the plate; 502. and a push rod.

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.

Referring to fig. 1 to 8, an embodiment of the present invention includes: an energy-saving preheating device for processing rubber comprises a heating box 1; the heating box 1 is of a rectangular block structure with a hollow interior, and square slotted holes are formed in the left side and the right side of the heating box 1; the left side and the right side of the interior of the heating box 1 are both fixedly provided with a fixed seat 3; a fixed rod 4 is fixedly arranged at the rear side of the inner wall of the heating box 1; the heating box 1 further comprises: the heating box comprises a top plate 101, wherein the top plate 101 is of a rectangular plate structure, the top plate 101 is fixedly arranged at the top of the heating box 1, and a trapezoidal sliding groove is formed in the middle of the bottom of the top plate 101; the top of the top plate 101 is provided with a connecting block 2 in a sliding manner; the connecting block 2 adopts a rectangular block structure; connecting block 2 is still including: the baffle plates 201 are of rectangular plate structures, two groups of baffle plates 201 are arranged, the two groups of baffle plates 201 are fixedly arranged on the left side and the right side of the connecting block 2 respectively, and the size of the baffle plates 201 is the same as that of the groove holes on the left side and the right side of the heating box 1; first rack 202, first rack 202 fixed set up in the left side of connecting block 2.

Wherein, heating cabinet 1 still includes: the gear 102 is rotatably arranged at the bottom of the top plate 101 through a hinge connection, and the gear 102 is meshed with the first rack 202; the guide rails 103 are arranged in two groups, the two groups of guide rails 103 are respectively and fixedly arranged on the inner sides of the left and right groups of square slotted holes of the heating box 1, and the guide rails 103 are in sliding connection with the baffle 201; the feeding conveyor belt 104 is rotatably arranged on the left side of the heating box 1 through a hinge joint, and the top of the feeding conveyor belt 104 penetrates through a square groove hole in the left side of the heating box 1; the discharging conveyor belt 105 is rotatably arranged on the right side of the heating box 1 through a hinge, the top of the discharging conveyor belt 105 penetrates through a square groove hole in the right side of the heating box 1, and a driving shaft of the discharging conveyor belt 105 is in transmission connection with a driving shaft of the feeding conveyor belt 104 through a chain; the top block 106, the top block 106 adopts a wedge-shaped block structure, and the top block 106 is fixedly arranged at the rear side of the inner wall of the heating box 1; and the power source 107, the power source 107 is fixedly arranged at the rear side of the heating box 1 through bolts, and the power source 107 is in transmission connection with the driving shaft of the discharge conveyor belt 105.

The fixing seats 3 are rectangular block structures, two groups of fixing seats 3 are arranged, the two groups of fixing seats 3 are fixedly arranged on the left side and the right side of the interior of the heating box 1 respectively, and a square cavity structure is formed in the interior of each fixing seat 3; the fixing base 3 further comprises: the double-layer gear 301 is rotatably arranged in a cavity in the fixed seat 3 through hinged connection; the first sliding rods 302 are provided with four groups of first sliding rods 302, the four groups of first sliding rods 302 are respectively arranged at the inner sides of the two groups of fixed seats 3 in a sliding manner, and the outer side of each first sliding rod 302 is sleeved with an elastic piece; the heating table 303, the heating table 303 adopts a U-shaped plate structure, the heating table 303 is fixedly arranged at the top between the four groups of first sliding rods 302, and a through circular slot is formed in the rear side of the heating table 303; a second slide bar 5 is arranged at the rear side of the heating table 303; the second racks 304 and the second racks 304 are arranged in two groups, the four groups of second racks 304 are respectively vertically and slidably arranged in the square cavities of the two groups of fixed seats 3, the second racks 304 are meshed with the double-layer gear 301, and the second racks 304 are fixedly connected with the first sliding rod 302; the third racks 305 and the third racks 305 are provided with four groups, the four groups of third racks 305 are respectively arranged on the front side and the rear side of the square cavity of the two groups of fixing seats 3 in a sliding manner, and the third racks 305 are meshed with the double-layer gear 301; the connecting rods 306 and the connecting rods 306 are in a wedge-shaped block structure with a narrow top and a wide bottom, the connecting rods 306 are arranged in two groups, the two groups of connecting rods 306 are respectively arranged on the front side and the rear side between the two groups of fixing seats 3, and two ends of each group of connecting rods 306 are respectively fixedly connected with one group of third racks 305.

By adopting the above technical scheme, after the rubber block falls into the top of the heating platform 303, the heating platform 303 is pressed by the self weight of the rubber block, the first sliding rod 302 and the second sliding rod 5 synchronously slide downwards along the bottom of the fixed seat 3, meanwhile, the second rack 304 is driven to slide downwards, and the double-layer gear 301 is driven to rotate, the double-layer gear 301 drives the third rack 305 to slide inwards, the third rack 305 drives the connecting rod 306 to slide inwards and contact with the two sides of the rubber block through the two groups of connecting rods 306, the rubber block is hard in the process of heating, the two groups of connecting rods 306 are clamped at the outer side of the rubber block, so that the third rack 305 cannot continuously slide inwards, the second rack 304, the heating platform 303, the first sliding rod 302 and the second sliding rod 5 cannot continuously slide downwards, and the texture of the rubber block gradually softens in the process of continuous heating, simultaneously under the dead weight of block rubber, continuously press and move warm table 303 and second rack 304 and slide downwards to drive third rack 305 through double-deck gear 301 and can slide to the inboard, thereby two sets of wedge-shaped connecting rod 306 that make can be gradually from the inside that the back both sides inserted the block rubber, when connecting rod 306 can insert the inside of block rubber completely, explain the block rubber has softened completely, and preheat the completion, thereby can realize independently the detection to block rubber heating degree.

Wherein, the fixed rod 4 adopts a cylindrical structure; the fixed rod 4 further comprises: a fourth rack 401, the fourth rack 401 is slidably disposed at the front side of the fixing rod 4, a cylindrical slot is formed at the rear side of the fourth rack 401, and the fourth rack 401 is engaged with the gear 102; the contact block 402 is of a wedge-shaped block structure, and the contact block 402 is fixedly arranged on the front side of the fourth rack 401; the second slide bar 5 is of a cylindrical structure, the second slide bar 5 is slidably arranged in a slotted hole at the rear side of the heating table 303, and an elastic part is sleeved on the outer side of the second slide bar 5; the second slide bar 5 further comprises: the push plate 501 is of a rectangular plate structure, the push plate 501 is fixedly arranged on the front side of the second slide bar 5, and the outer wall of the push plate 501 is attached to the inner wall of the heating table 303; the top rod 502 and the top rod 502 adopt an L-shaped rod structure, the top rod 502 is fixedly arranged at the top of the rear side of the second sliding rod 5, and the top of the top rod 502 is flush with the top end surface of the fourth rack 401.

By adopting the technical scheme, the rubber block enters the heating box 1 along the feeding conveyor belt 104 through the square opening on the left side of the heating box 1 and finally falls to the top of the heating table 303, and is connected with the contact block 402 in the process that the rubber block slides along the feeding conveyor belt 104, and the contact block 402 and the fourth rack 401 are pushed to slide towards the rear side along the fixed rod 4, the gear 102 is driven to rotate by the fourth rack 401, the gear 102 drives the connecting block 2 to slide forwards along the trapezoid sliding groove at the bottom of the top plate 101 through the matching with the first rack 202, so as to drive the two groups of baffles 201 to slide forwards along the guide rail 103, and the square groove holes on the left side and the right side of the heating box 1 are blocked by the two groups of baffles 201, thereby avoiding the leakage of hot gas and harmful gas in the heating box 1, reducing the energy consumption of the heating box 1, after the rubber block is heated, the second sliding rod 5 can be connected with the top block 106 in the process of sliding downwards, and the second sliding rod 5 is pushed to slide forwards along the heating table 303 through the top block 106, the second sliding rod is connected with the fourth rack 401 through the ejector rod 502, the fourth rack 401 is pushed to slide forwards along the fixed rod 4, the gear 102 is driven to rotate at the same time, the connecting block 2 is enabled to slide backwards along the trapezoid sliding groove at the bottom of the top plate 101 through the matching of the gear 102 and the first rack 202, so that the two groups of baffles 201 are driven to slide backwards along the guide rail 103, square groove holes at the left side and the right side of the heating box 1 are opened, meanwhile, the gear 102 enables the fourth rack 401 to slide forwards along the fixed rod 4, so that the contact block 402 is reset, the rubber block at the top of the heating table 303 is pushed into the top of the discharging conveyor belt 105 through the push plate 501 through the second sliding rod 5, the rubber block is conveyed out of the heating box 1 through the square groove hole at the right side of the heating box 1, and the heating process of the whole rubber block is completed.

The working principle is as follows: the power source 107 is turned on, the feeding conveyor belt 104 and the discharging conveyor belt 105 are synchronously driven to rotate by the power source 107, the rubber block to be heated is placed at the top of the feeding conveyor belt 104, enters the heating box 1 along the feeding conveyor belt 104 through the square opening at the left side of the heating box 1 and finally falls to the top of the heating table 303, is connected with the contact block 402 and pushes the contact block 402 and the fourth rack 401 to slide to the rear side along the fixed rod 4 in the sliding process of the rubber block along the feeding conveyor belt 104, the gear 102 is driven to rotate by the fourth rack 401, the gear 102 drives the connecting block 2 to slide forward along the trapezoidal sliding groove at the bottom of the top plate 101 through the matching with the first rack 202, so as to drive the two groups of baffles 201 to slide forward along the guide rail 103, and block the square slot holes at the left side and the right side of the heating box 1 through the two groups of baffles 201, thereby avoiding the leakage of hot gas and harmful gas in the heating box 1, the energy consumption of the heating box 1 is reduced, after the rubber block falls into the top of the heating platform 303, the heating platform 303 is pressed by the self weight of the rubber block, the first sliding rod 302 and the second sliding rod 5 synchronously slide downwards along the bottom of the fixed seat 3, meanwhile, the second rack 304 is driven to slide downwards, and the double-layer gear 301 is driven to rotate, the double-layer gear 301 drives the third rack 305 to slide inwards, the third rack 305 drives the connecting rod 306 to slide inwards by the third rack 305, and the connecting rod 306 is in contact with two sides of the rubber block by the two groups of connecting rods 306, the rubber block is hard in the process of heating, the two groups of connecting rods 306 are clamped at the outer side of the rubber block, so that the third rack 305 cannot continuously slide inwards, the second rack 304, the heating platform 303, the first sliding rod 302 and the second sliding rod 5 cannot continuously slide downwards, and the texture of the rubber block gradually becomes soft in the process of continuous heating, meanwhile, under the self weight of the rubber block, the heating table 303 and the second rack 304 are continuously pressed to slide downwards, and the double-layer gear 301 drives the third rack 305 to slide inwards, so that two groups of wedge-shaped connecting rods 306 can be gradually inserted into the rubber block from the front side and the rear side, when the connecting rods 306 can be completely inserted into the rubber block, the rubber block is completely softened and the preheating is completed, and in the process, the heating table 303 and the second sliding rod 5 continuously slide downwards, and the second sliding rod 5 can be connected with the top block 106 in the sliding process, and pushes the second sliding rod 5 to slide forwards along the heating table 303 through the top block 106, is connected with the fourth rack 401 through the top rod 502, pushes the fourth rack 401 to slide forwards along the fixing rod 4, and simultaneously drives the gear 102 to rotate, and through the matching of the gear 102 and the first rack 202, the connecting block 2 can slide backwards along the trapezoid sliding groove at the bottom of the top plate 101, thereby drive two sets of baffles 201 and slide to the rear side along guide rail 103, and open the square slot of the heating cabinet 1 left and right sides, gear 102 can make fourth rack 401 slide along dead lever 4 forward simultaneously, thereby make contact piece 402 reset, push away the top of exit conveyor 105 through push pedal 501 with the rubber block at heating table 303 top through second slide bar 5, the inside of heating cabinet 1 is transported out through the square slot on heating cabinet 1 right side, accomplish the heating process of whole rubber block.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.