阅读说明：本技术 一种实木板贴面自动生产线及其工作方法 (Automatic production line for veneering of solid wood board and working method thereof ) 是由 陈政全 陈伟 陈莉丽 陈溪东 于 2021-07-19 设计创作，主要内容包括：本发明提供了一种实木板贴面自动生产线及其工作方法,生产线包括将板材顶升至指定位置的升降台、对板材的表面进行涂胶的粘胶机、将板材从升降台自动输送给粘胶机的自动输送机和对涂有胶的板材进行自动翻转的自动翻转机。本发明优点：采用升降台和自动输送机相互配合来替代人工,实现将堆叠的板材一块一块自动输送到粘胶机,粘胶机在完成板材的涂胶操作后,将刷好胶的板材自动输出自动翻转机,并由自动翻转机替代人工对涂胶的板材进行自动翻转工作,整个生产过程人工干预少,与传统需要人工搬运板材的方式相比,能够极大地降低工人的工作量,降低生产成本,提高板材的生产效率,可满足大规模快速生产需求。(The invention provides an automatic production line for veneering of solid wood boards and a working method thereof. The invention has the advantages that: adopt elevating platform and automatic conveyor mutually to cooperate and replace the manual work, realize carrying the viscose machine automatically together with a panel that piles up, the viscose machine is after the rubber coating operation of accomplishing panel, the automatic upset machine of panel automatic output that will brush glue, and replace the manual work by automatic upset machine and carry out automatic upset work to rubber coated panel, whole production process manual intervention is few, compare with the mode that the tradition needs artifical transport panel, can greatly reduce workman's work load, and the production cost is reduced, improve the production efficiency of panel, can satisfy the large-scale fast production demand.)

1. The utility model provides a solid wood board wainscot automatic production line which characterized in that: the automatic plate turnover machine comprises a lifting table for lifting a plate to a designated position, an adhesive machine for coating the surface of the plate, an automatic conveyor for automatically conveying the plate from the lifting table to the adhesive machine, and an automatic turnover machine for automatically turning over the plate coated with the adhesive;

the automatic conveyor comprises a first supporting structure, a mechanical arm mechanism arranged on the first supporting structure, a grabbing mechanism fixed on the mechanical arm mechanism and used for grabbing the plates from the lifting table, and a first driving mechanism driving the mechanical arm mechanism to convey the plates along a set direction;

the gluing machine comprises a second supporting structure, a feeding mechanism arranged above the second supporting structure, a roller mechanism assembled on the second supporting structure and used for conveying and gluing the plates, and a second driving mechanism for driving the roller mechanism to roll;

the automatic turnover machine comprises a third supporting structure, a turnover frame rotatably arranged on the third supporting structure, a third driving mechanism fixed on the third supporting structure and used for driving the turnover frame to turn over, a supporting wheel mechanism rotatably arranged on the third supporting structure and used for conveying a plate output by the gluing machine to an appointed position, a clamping mechanism arranged on the turnover frame and used for clamping the plate in the turnover process, and a positioning mechanism arranged on the turnover frame and used for positioning the plate.

2. An automatic production line of veneering of solid wood board as claimed in claim 1, characterized in that: the mechanical arm mechanism comprises slide rails fixed on two sides of the top of the first supporting structure, a slide block arranged on the slide rails in a sliding mode, a fixed plate fixedly arranged on the top of the slide block and a mechanical arm which is rotatably arranged on the fixed plate and can tilt upwards under abnormal conditions; the mechanical arm is also connected with a tensioning mechanism or a jacking mechanism which enables the mechanical arm to keep a horizontal state under normal conditions, and the tensioning mechanism or the jacking mechanism is connected with the fixing plate through a connecting piece;

the first driving mechanism comprises a first driving motor fixedly arranged on the fixing plate, a second driving gear fixedly arranged on a motor shaft of the first driving motor and a first rack fixedly arranged on the first supporting structure; the first rack is meshed with the second driving gear.

3. An automatic production line of veneering of solid wood board as claimed in claim 2, characterized in that: the grabbing mechanism comprises a lifting mechanism fixedly arranged at the front part of the mechanical arm, a fixed block arranged below the front part of the mechanical arm and at least one plate sucking disc fixedly arranged at the bottom of the fixed block; the movable end of the lifting mechanism is fixedly connected with the fixed block; guide pillars are arranged at two ends of the fixing block, guide pillar holes penetrate through the mechanical arm from bottom to top, and the upper ends of the guide pillars are inserted into the guide pillar holes.

4. An automatic production line of veneering of solid wood board as claimed in claim 1, characterized in that: the roller mechanism comprises a gluing roller assembly which is rotatably arranged in the second supporting structure and is close to the feeding end, a conveying roller assembly which is rotatably arranged in the second supporting structure and is close to the discharging end, a guiding roller assembly which is rotatably arranged on the feeding end of the second supporting structure, limiting assemblies which are arranged on two sides of the feeding end of the second supporting structure and a material receiving wheel which is rotatably arranged on the discharging end of the second supporting structure; a penetrating plate conveying channel is formed among the guide roller assembly, the gluing roller assembly and the conveying roller assembly;

the receiving wheel comprises a receiving roller rotatably arranged on the second supporting structure and a plurality of first supporting wafers fixedly arranged on the receiving roller, and when plates are conveyed, the peripheral edges of the first supporting wafers are supported against the lower surfaces of the plates.

5. An automatic production line of veneering of solid wood board as claimed in claim 4, characterized in that: the gluing roller assembly comprises two gluing rollers which are arranged one above the other, and rotating shaft parts at two ends of each gluing roller are provided with anti-gluing structures;

the anti-glue structure comprises an adjusting plate sleeved on the rotating shaft part, a glue blocking piece sleeved on the rotating shaft part and attached to the outer side surface of the adjusting plate, and an outer frame plate for sleeving the glue blocking piece inside; an adjusting space is reserved between the outer frame plate and the glue blocking piece; the adjusting plate and the outer frame plate are fixed on the second supporting structure together; the adjusting plate is provided with a first adjusting slot hole at the position where the rotating shaft part passes through.

6. An automatic production line of veneering of solid wood board as claimed in claim 1, characterized in that: the feeding mechanism comprises a rubber barrel supporting frame and a rubber supplying barrel fixedly arranged on the rubber barrel supporting frame; glue bucket support frame and second bearing structure and can dismantle and be connected, the bottom that supplies to glue the bucket is provided with out jiao kou, has set out on the jiao kou and has glued the control valve.

7. An automatic production line of veneering of solid wood board as claimed in claim 1, characterized in that: the positioning mechanism comprises a positioning frame, a positioning block and a jacking mechanism for jacking the positioning frame to separate the plate from the clamping mechanism during overturning; the positioning frame is positioned in the turnover frame, and one end of the positioning frame is rotatably connected with the turnover frame; the positioning block is arranged at one end of the positioning frame in a rotating connection mode, and a plurality of rotating wheels used for supporting the plate and enabling the plate to be in sliding fit with the positioning block when the turnover frame is turned over are arranged on the positioning frame; the jacking mechanism is arranged on the turnover frame and connected with the positioning frame; the rotating wheel is positioned at a height position lower than the upper end of the supporting wheel mechanism before the overturning frame overturns.

8. An automatic production line of veneering of solid wood board as claimed in claim 1, characterized in that: the clamping mechanism comprises a transmission shaft, a clamping plate fixedly arranged on the transmission shaft and a fourth driving mechanism for driving the transmission shaft to rotate so as to drive the clamping plate to be pressed on the surface of the plate.

9. An automatic production line of veneering of solid wood board as claimed in claim 7, characterized in that: the supporting wheel mechanism comprises a plurality of supporting wheels which are rotatably arranged on the third supporting structure and a fifth driving mechanism which drives the supporting wheels to rotate;

each supporting wheel comprises a supporting roller rotatably arranged on the third supporting structure and a plurality of second supporting wafers fixedly arranged on the supporting roller, and the peripheral edges of the second supporting wafers are supported against the lower surface of the plate during conveying; the supporting wheel is vertical to the rotating axis of the rotating wheel on the positioning frame.

10. A working method of the automatic production line for veneering with solid wood boards based on any one of claims 1 to 9, which is characterized in that: the method comprises the following steps:

(1) stacking the plates to be produced on a lifting platform, driving the plates to ascend by the lifting platform, and stopping ascending by the lifting platform after the uppermost plate reaches a specified height position;

(2) the first driving mechanism drives the mechanical arm mechanism to move to enable the grabbing mechanism to be located right above the plates, the first driving mechanism stops driving, the grabbing mechanism descends to grab the uppermost plate, and the grabbing mechanism resets upwards;

(3) the first driving mechanism continues to drive the mechanical arm mechanism to move, the plate grabbed by the grabbing mechanism is sent to the roller mechanism, and the grabbing mechanism is separated from the plate; the first driving mechanism continues to drive the mechanical arm mechanism to move, so that the grabbing mechanism returns to the position right above the plate, and meanwhile, the lifting platform rises to drive the next plate to reach the specified height position, so that the next plate can be grabbed accurately;

(4) the feeding mechanism conveys the glue to the roller mechanism, the second driving mechanism drives the roller mechanism to rotate and roll, and the roller mechanism coats the glue on the upper surface and the lower surface of the plate;

(5) the roller mechanism outputs the plate coated with the glue to the supporting wheel mechanism, the supporting wheel mechanism rotates to convey the plate, and the supporting wheel mechanism stops rotating after the plate reaches a designated position;

(6) the positioning mechanism jacks up the plate to a certain height, and meanwhile, the third driving mechanism drives the turnover frame to turn over for a certain angle and then stops, so that the surface of the plate is inspected;

(7) the positioning mechanism is reset downwards, and the clamping mechanism clamps the plate on the turnover frame;

(8) the third driving mechanism continues to drive the turnover frame to turn over until the plate is in a horizontal state, the clamping mechanism loosens the plate, and the plate falls;

(9) the back of the plate is inspected, and the plate is paved after the inspection is qualified;

(10) the third driving mechanism drives the roll-over stand to reset so as to prepare for receiving the next sheet material.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of board production equipment, in particular to an automatic production line for veneering of solid boards and a working method thereof.

[ background of the invention ]

With the increasing requirements of people on the household environment, the requirements of solid wood boards are also increasing. However, in the production process of the solid wood board, a panel needs to be adhered to the surface of the board, and the production process mainly comprises a glue brushing process and a veneering process.

When a traditional plate is produced, the plate is manually conveyed to an adhesive machine for gluing, the plate conveyed out of the adhesive machine and coated with the glue is manually conveyed to a surface adhering table for adhering a panel, and the plate coated with the glue is manually turned over in the adhering process; therefore, the workload of workers is very large, the production efficiency is low, and the requirement of large-scale rapid production is difficult to meet.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

[ summary of the invention ]

The invention aims to solve the technical problem of providing an automatic production line for veneering of solid wood boards and a working method thereof, which can automatically convey, glue and turn over the boards, improve the production efficiency and meet the requirement of large-scale rapid production.

The invention is realized by the following steps:

in a first aspect, an automatic production line for veneering of solid wood boards comprises a lifting table for lifting a board to a specified position, an adhesive machine for gluing the surface of the board, an automatic conveyor for automatically conveying the board from the lifting table to the adhesive machine, and an automatic turnover machine for automatically turning over the board coated with the adhesive;

the automatic conveyor comprises a first supporting structure, a mechanical arm mechanism arranged on the first supporting structure, a grabbing mechanism fixed on the mechanical arm mechanism and used for grabbing the plates from the lifting table, and a first driving mechanism driving the mechanical arm mechanism to convey the plates along a set direction;

the gluing machine comprises a second supporting structure, a feeding mechanism arranged above the second supporting structure, a roller mechanism assembled on the second supporting structure and used for conveying and gluing the plates, and a second driving mechanism for driving the roller mechanism to roll;

the automatic turnover machine comprises a third supporting structure, a turnover frame rotatably arranged on the third supporting structure, a third driving mechanism fixed on the third supporting structure and used for driving the turnover frame to turn over, a supporting wheel mechanism rotatably arranged on the third supporting structure and used for conveying a plate output by the gluing machine to an appointed position, a clamping mechanism arranged on the turnover frame and used for clamping the plate in the turnover process, and a positioning mechanism arranged on the turnover frame and used for positioning the plate.

Further, the mechanical arm mechanism comprises slide rails fixed on two sides of the top of the first support structure, a slide block arranged on the slide rails in a sliding manner, a fixed plate fixedly arranged on the top of the slide block, and a mechanical arm which is rotatably arranged on the fixed plate and can tilt upwards under abnormal conditions; the mechanical arm is also connected with a tensioning mechanism or a jacking mechanism which enables the mechanical arm to keep a horizontal state under normal conditions, and the tensioning mechanism or the jacking mechanism is connected with the fixing plate through a connecting piece;

the first driving mechanism comprises a first driving motor fixedly arranged on the fixing plate, a second driving gear fixedly arranged on a motor shaft of the first driving motor and a first rack fixedly arranged on the first supporting structure; the first rack is meshed with the second driving gear.

Further, the grabbing mechanism comprises a lifting mechanism fixedly arranged at the front part of the mechanical arm, a fixed block arranged below the front part of the mechanical arm and at least one plate sucking disc fixedly arranged at the bottom of the fixed block; the movable end of the lifting mechanism is fixedly connected with the fixed block; guide pillars are arranged at two ends of the fixing block, guide pillar holes penetrate through the mechanical arm from bottom to top, and the upper ends of the guide pillars are inserted into the guide pillar holes.

Furthermore, the roller mechanism comprises a gluing roller assembly which is rotatably arranged in the second supporting structure and is close to the feeding end, a conveying roller assembly which is rotatably arranged in the second supporting structure and is close to the discharging end, a guiding roller assembly which is rotatably arranged on the feeding end of the second supporting structure, limiting assemblies which are arranged on two sides of the feeding end of the second supporting structure and a material receiving wheel which is rotatably arranged on the discharging end of the second supporting structure; a penetrating plate conveying channel is formed among the guide roller assembly, the gluing roller assembly and the conveying roller assembly;

the receiving wheel comprises a receiving roller rotatably arranged on the second supporting structure and a plurality of first supporting wafers fixedly arranged on the receiving roller, and when plates are conveyed, the peripheral edges of the first supporting wafers are supported against the lower surfaces of the plates.

Furthermore, the gluing roller assembly comprises two gluing rollers which are arranged up and down, and rotating shaft parts at two ends of each gluing roller are provided with anti-gluing structures;

the anti-glue structure comprises an adjusting plate sleeved on the rotating shaft part, a glue blocking piece sleeved on the rotating shaft part and attached to the outer side surface of the adjusting plate, and an outer frame plate for sleeving the glue blocking piece inside; an adjusting space is reserved between the outer frame plate and the glue blocking piece; the adjusting plate and the outer frame plate are fixed on the second supporting structure together; the adjusting plate is provided with a first adjusting slot hole at the position where the rotating shaft part passes through.

Further, the feeding mechanism comprises a rubber barrel supporting frame and a rubber supplying barrel fixedly arranged on the rubber barrel supporting frame; glue bucket support frame and second bearing structure and can dismantle and be connected, the bottom that supplies to glue the bucket is provided with out jiao kou, has set out on the jiao kou and has glued the control valve.

Furthermore, the positioning mechanism comprises a positioning frame, a positioning block and a jacking mechanism for jacking the positioning frame to separate the plate from the clamping mechanism during overturning; the positioning frame is positioned in the turnover frame, and one end of the positioning frame is rotatably connected with the turnover frame; the positioning block is arranged at one end of the positioning frame in a rotating connection mode, and a plurality of rotating wheels used for supporting the plate and enabling the plate to be in sliding fit with the positioning block when the turnover frame is turned over are arranged on the positioning frame; the jacking mechanism is arranged on the turnover frame and connected with the positioning frame; the rotating wheel is positioned at a height position lower than the upper end of the supporting wheel mechanism before the overturning frame overturns.

Furthermore, clamping mechanism includes the transmission shaft, the fixed clamp plate that sets up on the transmission shaft and drive transmission shaft and rotate in order to drive the clamp plate and compress tightly the fourth actuating mechanism on panel surface.

Furthermore, the supporting wheel mechanism comprises a plurality of supporting wheels which are rotatably arranged on the third supporting structure and a fifth driving mechanism which drives the supporting wheels to rotate;

each supporting wheel comprises a supporting roller rotatably arranged on the third supporting structure and a plurality of second supporting wafers fixedly arranged on the supporting roller, and the peripheral edges of the second supporting wafers are supported against the lower surface of the plate during conveying; the supporting wheel is vertical to the rotating axis of the rotating wheel on the positioning frame.

In a second aspect, a working method of an automatic production line for veneering of solid wood boards comprises the following steps:

(1) stacking the plates to be produced on a lifting platform, driving the plates to ascend by the lifting platform, and stopping ascending by the lifting platform after the uppermost plate reaches a specified height position;

(2) the first driving mechanism drives the mechanical arm mechanism to move to enable the grabbing mechanism to be located right above the plates, the first driving mechanism stops driving, the grabbing mechanism descends to grab the uppermost plate, and the grabbing mechanism resets upwards;

(3) the first driving mechanism continues to drive the mechanical arm mechanism to move, the plate grabbed by the grabbing mechanism is sent to the roller mechanism, and the grabbing mechanism is separated from the plate; the first driving mechanism continues to drive the mechanical arm mechanism to move, so that the grabbing mechanism returns to the position right above the plate, and meanwhile, the lifting platform rises to drive the next plate to reach the specified height position, so that the next plate can be grabbed accurately;

(4) the feeding mechanism conveys the glue to the roller mechanism, the second driving mechanism drives the roller mechanism to rotate and roll, and the roller mechanism coats the glue on the upper surface and the lower surface of the plate;

(5) the roller mechanism outputs the plate coated with the glue to the supporting wheel mechanism, the supporting wheel mechanism rotates to convey the plate, and the supporting wheel mechanism stops rotating after the plate reaches a designated position;

(6) the positioning mechanism jacks up the plate to a certain height, and meanwhile, the third driving mechanism drives the turnover frame to turn over for a certain angle and then stops, so that the surface of the plate is inspected;

(7) the positioning mechanism is reset downwards, and the clamping mechanism clamps the plate on the turnover frame;

(8) the third driving mechanism continues to drive the turnover frame to turn over until the plate is in a horizontal state, the clamping mechanism loosens the plate, and the plate falls;

(9) the back of the plate is inspected, and the plate is paved after the inspection is qualified;

(10) the third driving mechanism drives the roll-over stand to reset so as to prepare for receiving the next sheet material.

By adopting the technical scheme of the invention, the invention at least has the following beneficial effects:

1. replace the manual work through adopting elevating platform and automatic conveyor mutually to cooperate, realize carrying the viscose machine automatically for a panel that piles up, the viscose machine is after the rubber coating operation of accomplishing panel, the automatic upset machine of panel automatic output that will brush glue, and replace the manual work by automatic upset machine and carry out automatic upset work to rubber coated panel, whole production process manual intervention is few, compare with the mode that the tradition needs artifical transport panel, can greatly reduce workman's work load, and the production cost is reduced, improve the production efficiency of panel, can satisfy the large-scale fast production demand.

2. When the mechanical arm mechanism works, when the front part of the mechanical arm is not collided by the lifting platform, the mechanical arm is kept in a horizontal state under the action of the tension force of the tension mechanism or the jacking force of the jacking mechanism; when the front part of the mechanical arm is collided by the lifting platform, the front part of the mechanical arm can tilt upwards under the condition that the collision force exceeds the tension force or the jacking force, so that the mechanical arm cannot be bent or damaged by collision, and the safe conveying is realized; simultaneously, the mechanical arm is tensioned or pushed tightly through the tensioning mechanism or the pushing mechanism, so that the mechanical arm is kept in a horizontal state under normal conditions, the working stability of the mechanical arm can be improved, the mechanical arm is prevented from shaking, swinging and the like in the moving process, the working precision can be improved, and the mechanical arm can accurately convey plates to an appointed position.

3. Rotating shaft parts at two ends of the gluing roller sequentially penetrate through an adjusting plate and a glue blocking piece, a first adjusting slot hole is formed in the adjusting plate, an outer frame plate is sleeved outside the glue blocking piece, an adjusting space is reserved between the outer frame plate and the glue blocking piece, and the adjusting plate and the outer frame plate are fixed on a second supporting structure together; when making concrete use, both ends to the rubber coating cylinder have both conveniently been adjusted through first regulation slotted hole, and the glue separation blade can be plugged up the outer end of first regulation slotted hole simultaneously, can prevent that the glue on the rubber coating cylinder from flowing along pivot portion, and then can avoid causing the rubber coating cylinder card to die because of glue flows and solidifies.

4. In the positioning mechanism of the automatic turnover machine, the jacking mechanism jacks up the positioning frame to enable the rotating wheels on the positioning frame to jack up the plate and enable the lower surface of the plate to be separated from the upper surfaces of the supporting wheel mechanism and the clamping mechanism, so that the plate can be prevented from being scratched when sliding; when the turnover frame is driven by the third driving mechanism to rise by a certain angle, the plate slides along the surface of the rotating wheel under the action of gravity until the plate abuts against the positioning block, and automatic positioning can be realized.

[ description of the drawings ]

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is an overall schematic block diagram of an automated manufacturing line of the present invention;

FIG. 2 is a perspective view of the automatic conveyor of the present invention;

FIG. 3 is a front view of the automatic conveyor of the present invention;

FIG. 4 is a top view of the automatic conveyor of the present invention;

fig. 5 is a front view of the gluing machine of the present invention;

fig. 6 is a rear view of the gluing machine of the present invention;

fig. 7 is a right side view of the gluing machine of the present invention;

fig. 8 is a left side view of the gluing machine of the present invention;

FIG. 9 is a schematic view of the structure of the regulating chute of the present invention;

FIG. 10 is a schematic view of the structure of the gum-repellent structure of the present invention;

FIG. 11 is a schematic view of the structure of the adjustment plate of the present invention;

FIG. 12 is a schematic structural view of the outer frame plate of the present invention;

FIG. 13 is a schematic view of the assembly of the glue flap and the outer frame plate of the present invention;

FIG. 14 is a perspective view of the automatic upender of the present invention;

FIG. 15 is an enlarged schematic view of the structure at A in FIG. 14;

FIG. 16 is a schematic perspective view of the automatic upender of the present invention with a sheet material passing therethrough;

FIG. 17 is a front elevational view of a second embodiment of the third drive mechanism of the present invention;

FIG. 18 is a schematic perspective view of the roll-over stand of the present invention during rotation;

FIG. 19 is a schematic structural diagram of the present invention when the third driving mechanism is a swing rod, a first swing telescopic cylinder and a second swing telescopic cylinder;

fig. 20 is a perspective view of the roll-over stand according to the present invention in another state.

Description of reference numerals:

1-lifting platform, 2-gluing machine, 21-second supporting structure, 211-roller supporting plate, 2111-second adjusting slotted hole, 22-feeding mechanism, 221-glue barrel supporting frame, 222-glue supplying barrel, 223-glue outlet, 224-glue outlet control valve, 23-roller mechanism, 231-gluing roller component, 231 a-gluing roller, 2311-rotating shaft part, 232-conveying roller component, 232 a-conveying roller, 233-guiding roller component, 233 a-guiding roller, 2331-guiding rotating shaft, 2332-guiding roller, 234-limiting component, 2341-fixed connecting shaft, 2342-roller, 235-material receiving wheel, 2351-material receiving roller, 2352-first supporting wafer, 236-plate conveying channel, 24-second driving mechanism, 241-a first chain wheel component, 242-a second chain wheel component, 243-a gear component, 3-an automatic conveyor, 31-a first supporting structure, 32-a mechanical arm mechanism, 321-a sliding rail, 322-a sliding block, 323-a fixed plate, 324-a mechanical arm, 325-a tightening mechanism, 326-a connecting piece, 327-a first rotating shaft, 33-a grabbing mechanism, 331-a lifting mechanism, 332-a fixed block, 333-a plate sucking disc, 334-a guide column, 34-a first driving mechanism, 341-a first driving motor, 342-a second driving gear, 343-a first rack, 4-an automatic turnover machine, 41-a third supporting structure, 411-a buffer rubber column, 42-a turnover frame, 43-a third driving mechanism and 431-a second rotating shaft, 432-brake disc, 433-reducer, 434-driving power, 435-gear disc, 436-second driving motor, 437-second driving gear, 44-supporting wheel mechanism, 441-supporting wheel, 4411-supporting roller, 4412-second supporting disc, 442-driving chain wheel, 45-clamping mechanism, 451-transmission shaft, 452-clamping plate, 453-fourth driving mechanism, 4531-driving cylinder, 4532-second rack, 4533-transmission gear, 4534-auxiliary top-supporting wheel, 46-positioning mechanism, 461-positioning frame, 462-positioning block, 463-lifting mechanism, 464-rotating wheel; 47-a swing rod, 471-a first swing telescopic cylinder, 472-a second swing telescopic cylinder, 5-a plate, 6-an anti-glue structure, 61-an adjusting plate, 611-a first adjusting slot, 62-a glue blocking piece, 63-an outer frame plate, 64-an adjusting space, 65-a lantern ring, 7-an adjusting mechanism, 71-an adjusting chute, 711-a first chute block, 712-a second chute block, 713-a third chute block, 72-an adjusting slide block, 73-an adjusting screw rod, 731-an operating handle and 74-a bearing.

[ detailed description ] embodiments

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

Referring to fig. 1 to 20, the automatic production line for veneering solid wood boards according to the present invention includes a lifting platform 1 for lifting a board 5 to a designated position, an adhesive machine 2 for applying adhesive to the surface of the board 5, an automatic conveyor 3 for automatically conveying the board 5 from the lifting platform 1 to the adhesive machine 2, and an automatic turnover machine 4 for automatically turning over the board 5 applied with adhesive; the lifting table 1 can be arranged at a position close to the feeding end of the gluing machine 2, the height of the gluing machine 2 is low, the lifting table 1 can be arranged below the ground in order to facilitate stacking of the plates 5, and the lifting table 1 is of an existing structure and is described in detail herein;

the automatic conveyor 3 comprises a first supporting structure 31, a mechanical arm mechanism 32 arranged on the first supporting structure 31, a grabbing mechanism 33 fixed on the mechanical arm mechanism 32 and used for grabbing the plate 5 from the lifting platform 1, and a first driving mechanism 34 driving the mechanical arm mechanism 32 to convey the plate 5 along a set direction;

the gluing machine 2 comprises a second support structure 21, a feeding mechanism 22 arranged above the second support structure 21, a roller mechanism 23 assembled on the second support structure 21 and used for conveying and gluing the plate 5, and a second driving mechanism 24 for driving the roller mechanism 23 to roll;

the automatic turnover machine 4 comprises a third support structure 41, a turnover frame 42 rotatably arranged on the third support structure 41, a third driving mechanism 43 fixed on the third support structure 41 and used for driving the turnover frame 42 to turn over, a supporting wheel mechanism 44 rotatably arranged on the third support structure 41 and used for conveying the plate 5 output from the gluing machine 2 to a specified position, a clamping mechanism 45 arranged on the turnover frame 42 and used for clamping the plate 5 in the turning process, and a positioning mechanism 46 arranged on the turnover frame 42 and used for positioning the plate 5.

When the automatic production line is used for specific production, plates 5 to be produced are stacked on the lifting platform 1, the lifting platform 1 drives the plates 5 to ascend, and the uppermost plate 5 is stopped after reaching a specified height position; the first driving mechanism 34 drives the mechanical arm mechanism 32 to move to enable the grabbing mechanism 33 to be located right above the plates 5, the first driving mechanism 34 stops driving, and the grabbing mechanism 33 descends to grab the uppermost plate 5; the first driving mechanism 34 continues to drive the mechanical arm mechanism 32 to move, so that the grabbing mechanism 33 feeds the grabbed plate 5 into the roller mechanism 23, and the grabbing mechanism 33 is reset upwards to be separated from the plate 5; the first driving mechanism 34 continues to drive the mechanical arm mechanism 32 to move, so that the grabbing mechanism 33 returns to the position right above the plate 5, and meanwhile, the lifting platform 1 is lifted to drive the next plate 5 to reach a specified height position, so that the next plate 5 is grabbed accurately; the feeding mechanism 22 conveys the glue to the roller mechanism 23, meanwhile, the second driving mechanism 24 drives the roller mechanism 23 to rotate and roll, and the roller mechanism 23 coats the glue on the upper surface and the lower surface of the plate 5; after finishing painting, the roller mechanism 23 outputs the plate 5 coated with the glue to the supporting wheel mechanism 44, the supporting wheel mechanism 44 rotates to convey the plate 5, and the supporting wheel mechanism 44 stops rotating after reaching a designated position; the positioning mechanism 46 jacks up the plate 5 to a certain height, and the third driving mechanism 43 drives the roll-over stand 42 to roll over for a certain angle and then stops, so as to inspect the surface of the plate 5; the positioning mechanism 46 is reset downwards, and the clamping mechanism 45 clamps the plate 5 on the roll-over stand 42; the third driving mechanism 43 continues to drive the roll-over stand 42 to roll over until the plate 5 is in a horizontal state, the clamping mechanism 45 loosens the plate 5, and the plate 5 falls; the back of the plate 5 is inspected, and the plate is paved after the inspection is qualified; the third drive mechanism 43 drives the roll-over carriage 42 back to ready to receive the next sheet 5. In the invention, the lifting platform 1 and the automatic conveyor 3 are matched with each other to replace manpower, so that the stacked plates 5 are automatically conveyed to the gluing machine 2 one by one, the gluing machine 2 automatically outputs the plates 5 brushed with glue to the automatic turnover machine 4 after the gluing operation of the plates 5 is finished, the automatic turnover machine 4 replaces the manpower to automatically turn over the glued plates 5, the whole production process has less manual intervention, compared with the traditional mode of manually conveying the plates 5, the workload of workers can be greatly reduced, the production cost is reduced, the production efficiency of the plates is improved, and the large-scale rapid production requirement can be met.

Preferably, the mechanical arm mechanism 32 includes slide rails 321 fixed on two sides of the top of the first support structure 31, a slide block 322 slidably disposed on the slide rails 321, a fixed plate 323 fixedly disposed on the top of the slide block 322, and a mechanical arm 324 rotatably disposed on the fixed plate 323 and capable of tilting upward in an abnormal situation, where the mechanical arm 324 may be hit by the sheet 5 on the top of the lifting platform 1 when the lifting platform 1 is out of control or has an error; the mechanical arm 324 is further connected with a tensioning mechanism (not shown) or a jacking mechanism 325 which normally keeps the mechanical arm 324 in a horizontal state, and the tensioning mechanism or the jacking mechanism 325 is connected with the fixing plate 323 through a connecting piece 326 so that the tensioning mechanism or the jacking mechanism 325 can move along with the fixing plate 323; when the mechanical arm mechanism 32 is operated, the mechanical arm 324 is kept in a horizontal state under the action of the tension force of the tension mechanism or the jacking force of the jacking mechanism 325 when the front part of the mechanical arm 324 is not impacted by the lifting platform 1 by rotatably connecting the mechanical arm 324 with the fixing plate 323; when the front part of the mechanical arm 324 is collided by the lifting platform 1, the front part of the mechanical arm 324 tilts upwards under the condition that the collision force exceeds the tension force or the jacking force, so that the mechanical arm 324 is prevented from being bent or damaged by collision, and safe conveying is realized. The mechanical arm 324 is tensioned or pushed tightly by the tensioning mechanism or the pushing mechanism 325, so that the mechanical arm 324 is kept in a horizontal state under normal conditions, the working stability of the mechanical arm 324 can be improved, the mechanical arm 324 is prevented from shaking, swinging and the like in the moving process, the working precision can be improved, and the mechanical arm 324 can accurately convey the plate 5 to a specified position. The tensioning mechanism or the jacking mechanism 325 is a telescopic cylinder or a spring telescopic structure, the telescopic cylinder can adopt an air cylinder, and the spring telescopic structure can adopt a shock-absorbing spring. The mechanical arm 324 is rotatably connected with the fixing plate 323 through a first rotating shaft 327, and the first rotating shaft 327 is disposed at an end portion of the fixing plate 323 near a rear end of the mechanical arm 324, so that a front portion of the mechanical arm 324 is tilted after being collided.

In the practice of the present invention, when a tensioning mechanism is employed, the tensioning mechanism may be disposed on the front side of the first support structure 31 (i.e., the side near the gripping mechanism 33) and located below the robotic arm 324 to tension the robotic arm 324 down through the tensioning mechanism; it is also possible to arrange the tensioning mechanism at the rear side of the first support structure 31 and the tensioning mechanism above the robot arm 324, so that the rear end of the robot arm 324 is tensioned upwards by the tensioning mechanism. When the tightening mechanism 325 is employed, the tightening mechanism 325 may be disposed on the front side of the first support structure 31, and the tightening mechanism 325 is located above the robot arm 324 to tighten down the robot arm 324 by the tightening mechanism 325; it is also possible to arrange the tightening mechanism 325 at the rear side of the first support structure 31, and the tightening mechanism 325 is located below the robot arm 324, so that the rear end of the robot arm 324 is tightened up by the tightening mechanism 325.

The first driving mechanism 34 comprises a first driving motor 341 fixed on the fixing plate 323, a second driving gear 342 fixed on the motor shaft of the first driving motor 341, and a first rack 343 fixed on the first supporting structure 31; the first rack 343 is meshed with the second driving gear 342; the first driving motor 341 drives the second driving gear 342 to rotate, and the second driving gear 342 drives the fixing plate 323 to move along the sliding rail 321 under the cooperation of the first rack 343, so as to drive the mechanical arm 324 to move.

Preferably, the grabbing mechanism 33 includes a lifting mechanism 331 fixed at the front of the mechanical arm 324, a fixed block 332 arranged below the front of the mechanical arm 324, and at least one plate suction cup 333 fixed at the bottom of the fixed block 332, and the plate 5 is sucked by the plate suction cups 333, so that not only is automatic control convenient to achieve, but also the plate 5 can be prevented from being damaged, and specifically, at least two plate suction cups 333 can be arranged at the bottom of the fixed block 332 to better suck the plate 5, and it is ensured that the plate 5 does not fall off due to insufficient suction in the conveying process; the movable end of the lifting mechanism 331 is fixedly connected with the fixed block 332; guide posts 334 are arranged at two ends of the fixing block 332, guide post holes (not shown) penetrate through the mechanical arm 324 from bottom to top, the upper ends of the guide posts 334 are inserted into the guide post holes, the guide posts 334 are used for guiding the lifting of the fixing block 332, and the fixing block 332 and the plate suction disc 333 can be guaranteed to be lifted stably. The lifting mechanism 331 is a telescopic cylinder, which can be an oil cylinder, an air cylinder or an electric push rod, and the fixed block 332 is driven to lift by the extension or retraction of the oil cylinder, the air cylinder or the electric push rod.

Preferably, the roller mechanism 23 comprises a gluing roller assembly 231 rotatably disposed in the second support structure 21 and close to the feeding end, a conveying roller assembly 232 rotatably disposed in the second support structure 21 and close to the discharging end, a guiding roller assembly 233 rotatably disposed on the feeding end of the second support structure 21, limit assemblies 234 disposed on both sides of the feeding end of the second support structure 21, and a receiving wheel 235 rotatably disposed on the discharging end of the second support structure 21; the guide roller assembly 233, the glue application roller assembly 231, and the transfer roller assembly 232 have a sheet transfer passage 236 formed therethrough. The automatic conveyor 3 conveys the plate 5 to the plate conveying channel 236, the roller assemblies 233 are guided to rotate to convey the plate 5 inwards, and meanwhile the limiting assemblies 234 limit the two ends of the plate 5, so that the plate 5 cannot be brushed at partial positions due to deviation; the rotation of the gluing roller assembly 231 brushes the glue on the upper and lower surfaces of the plate 5 and drives the plate 5 to move forward continuously; the conveying roller assembly 232 outputs the glued plate 5 and feeds the glued plate into the automatic turnover machine 4 through the material receiving wheel 235;

the material receiving wheel 235 comprises a material receiving roller 2351 rotatably arranged on the second supporting structure 21 and a plurality of first supporting round pieces 2352 fixedly arranged on the material receiving roller 2351, and when the plate 5 is conveyed, the peripheral edge of the first supporting round pieces 2352 is supported against the lower surface of the plate 5; the receiving wheel 235 can receive the plate 5 output by the conveying roller assembly 232 and convey the plate to the automatic turnover machine 4; by arranging the first support round sheet 2352, the contact area between the plate 5 and the first support round sheet 2352 is reduced, and the damage to the surface of the plate 5 is reduced.

Preferably, the conveying roller assembly 232 includes two conveying rollers 232a disposed one above the other, and both ends of the conveying rollers 232a are rotatably connected to the second supporting structure 21. The guide roller assembly 233 includes two guide rollers 233a disposed one above the other, the guide rollers 233a include a guide rotating shaft 2331 rotatably connected to the second support structure 21 and a plurality of guide rollers 2332 fixedly mounted on the guide rotating shaft 2331, and the upper and lower guide rollers 2332 just form the plate conveying passage 236 into which the plate 5 is fed. Spacing subassembly 234 includes fixed connecting axle 2341 of fixing on second bearing structure 21 and the gyro wheel 2342 of fixing on fixed connecting axle 2341, gyro wheel 2342 is located panel transfer passage 236's position, and the setting of gyro wheel 2342 can reduce the frictional force at panel 5 both ends, conveniently sends into panel 5 in drum mechanism 23.

Preferably, the gluing roller assembly 231 comprises two gluing rollers 231a arranged one above the other, and the rotating shaft portions 2311 at the two ends of the gluing rollers 231a are provided with anti-gluing structures 6;

the anti-glue structure 6 comprises an adjusting plate 61 sleeved on the rotating shaft portion 2311, a glue blocking piece 62 sleeved on the rotating shaft portion 2311 and attached to the outer side surface of the adjusting plate 61, and an outer frame plate 63 for sleeving the glue blocking piece 62 inside; an adjusting space 64 is reserved between the outer frame plate 63 and the glue blocking piece 62; the adjustment plate 61 is fixed to the second support structure 21 together with the outer frame plate 63; the adjusting plate 61 is provided with a first adjusting slot 611 at a position where the rotating shaft 2311 passes through. Rotating shaft portions 2311 at two ends of the gluing roller 231a sequentially penetrate through the adjusting plate 61 and the glue blocking piece 62, a first adjusting slot hole 611 is formed in the adjusting plate 61, an outer frame plate 63 is sleeved outside the glue blocking piece 62, an adjusting space 64 is reserved between the outer frame plate 63 and the glue blocking piece 62, and the adjusting plate 61 and the outer frame plate 63 are fixed on the second supporting structure 21 together; when the glue spreading device is used specifically, the two ends of the glue spreading roller 231a can be adjusted conveniently through the first adjusting slotted hole 611, meanwhile, the outer end of the first adjusting slotted hole 611 can be blocked by the glue blocking piece 62, glue on the glue spreading roller 231a can be prevented from flowing out along the rotating shaft 2311, and the phenomenon that the glue spreading roller 231a is blocked due to the fact that the glue flows out and solidifies can be avoided.

The glue flap 62 completely closes the outer end of the first adjustment slot 611 at any position of the rotation shaft portion 2311 in the first adjustment slot 611. Since the glue cylinder 231a rotates during operation, the glue may be thrown out by the glue cylinder 231a, and the glue blocking sheet 62 can completely close the outer end of the first adjusting slot 611 at any time, so as to effectively prevent the glue from flowing out. The upper end of the glue blocking piece 62 is attached to the inner top wall of the outer frame plate 63, and the lower end of the glue blocking piece 62 is attached to the inner bottom wall of the outer frame plate 63, so that the glue blocking piece 62 cannot rotate and deflect in the rotating process of the rotating shaft 2311. A lantern ring 65 is fixedly arranged on the inner side of the adjusting plate 61 of the rotating shaft 2311, and the lantern ring 65 is attached to the inner side face of the adjusting plate 61; because the rotating shaft 2311 penetrates through the glue blocking piece 62, a gap must exist between the rotating shaft 2311 and the glue blocking piece 62, the collar 65 is arranged on the rotating shaft 2311, and the collar 65 is attached to the inner side surface of the adjusting plate 61, so that glue can be further prevented from seeping outwards along the rotating shaft 2311, the rotating shaft 2311 can be limited, and the gluing roller 231a can be prevented from axially moving. The glue stopper 62 may be made of plastic, and the adjusting plate 61, the outer frame plate 63 and the collar 65 may be made of metal (e.g., iron).

Preferably, the roller supporting plate 211 is disposed at two ends of the second supporting structure 21, and a second adjusting slot 2111 is disposed on the roller supporting plate 211 corresponding to the first adjusting slot 611, so as to cooperate with the first adjusting slot 611 to adjust the gluing roller 231 a.

Preferably, said gluing machine 2 further comprises an adjusting mechanism 7 arranged on the outer side surface of the drum supporting plate 211; the adjusting mechanism 7 comprises an adjusting chute 71 fixedly arranged on the roller supporting plate 211, an adjusting slider 72 arranged in the adjusting chute 71 and an adjusting screw 73 connected with the adjusting slider 72, wherein the adjusting screw 73 is rotatably connected with the adjusting slider 72, and the end part of the adjusting screw 73 is clamped on the adjusting slider 72; the second adjusting slot 2111 is positioned inside the adjusting chute 71; the adjusting slider 72 is connected to the rotation shaft portion 2311 of the glue application roller 231a through a bearing 74. When the adjustment operation is performed, only the adjustment screw 73 needs to be rotated, the adjustment screw 73 can drive the adjustment slider 72 to move along the adjustment sliding groove 71, and the rotating shaft portion 2311 is connected with the adjustment slider 72 through the bearing 74, so that the adjustment slider 72 can drive the rotating shaft portion 2311 to move together to achieve adjustment when moving. The adjusting chute 71 comprises a first chute block 711 fixedly arranged above the second adjusting slot 61, a second chute block 712 fixedly arranged below the second adjusting slot 61, and a third chute block 713 fixedly connected with one end of the first chute block 711 and one end of the second chute block 712; the adjusting screw 73 penetrates through the third sliding groove block 713 and is in threaded connection with the third sliding groove block 713, because the adjusting screw 73 is in rotary connection with the adjusting slider 72, and the end part of the adjusting screw 73 is clamped on the adjusting slider 72, so that when the adjusting screw 73 is rotated, the adjusting screw 73 can drive the adjusting slider 72 to move. The outer end of the adjusting screw 73 is provided with an operating handle 731 to facilitate adjustment.

The second driving mechanism 24 is a motor fixed on the second supporting structure 21, and one end of each of the two conveying rollers 232a is connected with the second driving mechanism 24 through a first chain wheel assembly 241 (including a chain wheel and a chain), so as to drive the two conveying rollers 232a to rotate; one end of each of the two guide rollers 233a is connected to the second driving mechanism 24 via a second chain wheel assembly 242 (including a chain wheel and a chain), so as to drive the two guide rollers 233a to rotate. The other ends of the two conveying rollers 232a are connected with the two gluing rollers 231a through a gear assembly 243 to link the gluing rollers 231a for synchronous rotation.

Preferably, the feeding mechanism 22 comprises a rubber barrel supporting frame 221 and a rubber barrel 222 fixedly arranged on the rubber barrel supporting frame 221; the rubber barrel supporting frame 221 is detachably connected with the top of the second supporting structure 21, so that the rubber barrel supporting frame can be conveniently detached when not needed, and the rubber barrel supporting frame is more flexible to use; the bottom of the glue supply barrel 222 is provided with a glue outlet 223, and the glue outlet 223 can be connected with a pipeline for conveying glue to the gluing roller 231 a; a glue outlet 224 is provided on the glue outlet 223 to control whether glue is discharged through the glue outlet 224, and the glue outlet 224 can be an automatic control valve or a manual control valve.

Preferably, the positioning mechanism 46 includes a positioning frame 461, a positioning block 462 and a jacking mechanism 463 for jacking up the positioning frame 461 to separate the plate 5 from the clamping mechanism 45 when turning; the positioning frame 461 is positioned inside the roll-over stand 42 and one end of the positioning frame is rotatably connected with the roll-over stand 42; the positioning block 462 is arranged at one end of the positioning frame 461 in a rotating connection mode, and a plurality of rotating wheels 464 which are used for supporting the plate 5 and enabling the plate 5 to be in sliding abutting against the positioning block 462 when the turnover frame 42 is turned over are arranged on the positioning frame 461; the jacking mechanism 463 is arranged on the roll-over stand 42 and connected with the positioning frame 461; the turning wheel 464 is at a lower height than the upper end of the supporting wheel mechanism 44 before the roll-over stand 42 is turned over. When the positioning mechanism 46 works, after the supporting wheel mechanism 44 conveys the plate 5 to a designated position, the jacking mechanism 463 jacks up the positioning frame 461, so that the rotating wheel 464 on the positioning frame 461 jacks up the plate 5, and the lower surface of the plate 5 is separated from the upper surfaces of the supporting wheel mechanism 44 and the clamping mechanism 45, so as to prevent the plate 5 from being scratched when sliding, the roll-over stand 42 is driven by the third driving mechanism 43 to rise by a certain angle, and the plate 5 slides along the surface of the rotating wheel 464 under the action of gravity until the plate 5 abuts against the positioning block 462.

The jacking mechanism 463 may be a jacking cylinder, a jacking cylinder or an electric push rod, and the jacking or retraction of the positioning frame 461 is realized by the extension or retraction of the jacking cylinder, the jacking cylinder or the electric push rod.

Preferably, the clamping mechanism 45 comprises a transmission shaft 451, a clamping plate 452 fixedly arranged on the transmission shaft 451, and a fourth driving mechanism 453 for driving the transmission shaft 451 to rotate so as to drive the clamping plate 452 to press against the surface of the plate 5; the transmission shaft 451 is rotatably disposed at the opposite side of the roll-over stand 42. The fourth driving mechanism 453 drives the transmission shaft 451 to rotate, so that the clamping plate 452 on the transmission shaft 451 rotates along with the rotation of the transmission shaft 451, and the clamping plate 452 is pressed on the plate 5, thereby realizing the pressing and positioning of the plate 5.

The fourth driving mechanism 453 comprises a driving cylinder 4531, a second rack 4532 and a transmission gear 4533, the transmission gear 4533 is arranged at the end of the transmission shaft 451, the second rack 4532 is engaged with the transmission gear 4533, and the movable end of the driving cylinder 4531 is fixedly connected with the second rack 4532; the roll-over stand 42 is provided with an auxiliary butting wheel 4534 which is positioned on one side of the second rack 4532, which is far away from the transmission gear 4533. With the extension and retraction of the driving cylinder 4531, the second rack 4532 drives the transmission gear 4533 to rotate, so as to rotate the transmission shaft 451, and the auxiliary abutting wheel 4534 abuts against the second rack 4532 in the direction of the transmission gear 4533, so as to ensure the meshing connection between the second rack 4532 and the transmission gear 4533.

Preferably, the supporting wheel mechanism 44 includes a plurality of supporting wheels 441 rotatably disposed on the third supporting structure 41, and a fifth driving mechanism (not shown) for driving the supporting wheels 441 to rotate;

each supporting wheel 441 comprises a supporting roller 4411 rotatably arranged on the third supporting structure 41 and a plurality of second supporting wafers 4412 fixedly arranged on the supporting roller 4411, and during conveying, the peripheral edges of the second supporting wafers 4412 are supported against the lower surface of the plate 5; the supporting wheel 441 is perpendicular to the rotation axis of the rotating wheel 464 on the positioning frame 461. By arranging the second support wafer 4412, the contact area between the plate 5 and the second support wafer 4412 is reduced, and the damage to the surface of the plate 5 is reduced. The fifth driving mechanism includes a driving sprocket 442 disposed at an end of the supporting roller 4411 and a driving chain sequentially connected to the first sprocket 42, and the driving chain drives all the driving sprockets 442 to synchronously rotate in the same direction and at the same speed, so that the linear velocities of the contact portions of the second supporting wafer 4412 and the sheet material 5 are the same, and damage to the surface of the sheet material 5 is reduced.

Preferably, the third driving mechanism 43 comprises a second rotating shaft 431, a speed reducer 433 and a driving power 434, the second rotating shaft 431 is rotatably connected to the third supporting structure 41 and fixedly connected to the roll-over stand 42, the speed reducer 433 and the driving power 434 are fixedly connected to the third supporting structure 41, a conveying shaft of the driving power 434 is connected to a high-speed end of the speed reducer 433, and a low-speed end of the speed reducer 433 is connected to the second rotating shaft 431; a brake disc 432 is provided on the second rotating shaft 431. Through drive power 434 accurate control pivoted angle, the power that drive power 434 output has realized the effect of speed reduction increase torsion through the speed reduction of reduction gear 433 for can drive roll-over stand 42 and rotate. The brake disc 432 on said second turning axle 431 enables braking of the second turning axle 431 when stopping of the roll-over stand 42 is required. The driving power 434 can be a servo motor or a common motor or a hydraulic motor.

Preferably, as shown in fig. 17, as another embodiment of the third driving mechanism 43, the third driving mechanism 43 comprises a second rotating shaft 431, a gear plate 435, a second driving motor 436 and a second driving gear 437, wherein the second rotating shaft 431 is rotatably connected to the third supporting structure 41 and fixedly connected to the roll-over stand 42, the gear plate 435 is coaxially and fixedly connected to the second rotating shaft 431, the second driving motor 436 is fixedly connected to the third supporting structure 41, the second driving gear 437 is connected to an output shaft of the second driving motor 436, and the second driving gear 437 is in mesh connection with the gear plate 435 and can drive the gear plate 435 to rotate. The second driving motor 436 drives the second driving gear 437 to rotate, so as to drive the gear disc 435 to rotate, the second rotating shaft 431 rotates along with the rotation of the gear disc 435, and the speed and torque reducing effect is achieved through the speed reducing effect of the second driving gear 437 and the gear disc 435, so that the roll-over stand 42 can move at a set speed and can bear the weight of the roll-over stand and the plate 5.

Preferably, a buffer spring or a buffer rubber column 411 is arranged on the third supporting structure 41. Thus, when the roll-over stand 42 falls down, the roll-over stand 42 is more stable when falling down through the buffering of the buffer spring or the buffer rubber column 411.

Preferably, as shown in fig. 20, the third driving mechanism 43 includes a swing link 47 disposed below the roll-over stand 42, one end of the swing link 47 is rotatably connected to the third supporting structure 41, a first swing telescopic cylinder 471 is disposed between a free end of the swing link 47 and the roll-over stand 42, and a second swing telescopic cylinder 472 is further disposed between the swing link 47 and the third supporting structure 41. When the first swing telescopic cylinder 471 or the second swing telescopic cylinder 472 extends to the limit position, the roll-over stand 42 is lifted by a certain angle; when the first swing telescopic cylinder 471 and the second swing telescopic cylinder 472 both extend to the extreme positions, the roll-over stand 42 turns the plate 5 to the horizontal position.

The invention also provides a working method of the automatic production line for veneering the solid wood board, which comprises the following steps:

(1) the method comprises the following steps that plates 5 to be produced are stacked on a lifting platform 1, the lifting platform 1 drives the plates 5 to ascend, the lifting platform 1 stops ascending after the uppermost plate 5 reaches a specified height position, and the specified height position can be set as required;

(2) the first driving mechanism 34 drives the mechanical arm mechanism 32 to move to enable the grabbing mechanism 33 to be located right above the plates 5, the first driving mechanism 34 stops driving, the grabbing mechanism 33 descends to grab the uppermost plate 5 to prepare for conveying the grabbed plate 5, and the grabbing mechanism 33 resets upwards;

(3) the first driving mechanism 34 continues to drive the mechanical arm mechanism 32 to move, the plate 5 grabbed by the grabbing mechanism 33 is fed into the roller mechanism 23, and the grabbing mechanism 33 is separated from the plate 5; the first driving mechanism 34 continues to drive the mechanical arm mechanism 32 to move, so that the grabbing mechanism 33 returns to the position right above the plate 5 (the plate 5 on the lifting platform 1), and meanwhile, the lifting platform 1 is lifted to drive the next plate 5 to reach a specified height position, so as to accurately grab the next plate 5; when the lifting platform 1 rises out of control or has an error to cause collision with the mechanical arm mechanism 32, under the condition that collision force exceeds tension force or jacking force, the front part of the mechanical arm 324 of the mechanical arm mechanism 32 tilts upwards, so that the mechanical arm 324 is prevented from being bent or damaged by collision; after the collision force disappears, the mechanical arm 324 is tensioned or pushed tightly by the tensioning mechanism or the pushing mechanism 325, so that the mechanical arm 324 is restored to the horizontal state;

(4) the feeding mechanism 22 conveys the glue to the roller mechanism 23, meanwhile, the second driving mechanism 24 drives the roller mechanism 23 to rotate and roll, and the roller mechanism 23 coats the glue on the upper surface and the lower surface of the plate 5;

(5) the roller mechanism 23 outputs the plate 5 coated with the glue to the supporting wheel mechanism 44, the supporting wheel mechanism 44 rotates to convey the plate 5, and the supporting wheel mechanism 44 stops rotating after reaching a designated position;

(6) the jacking mechanism 463 of the positioning mechanism 46 jacks up the positioning frame 461, the plate 5 is jacked up to a certain height through the rotating wheel 464 of the positioning frame 461, the plate 5 is jacked up through the rotating wheel 464 of the positioning frame 461, so that the plate 5 is separated from the upper surfaces of the supporting wheel 441 and the clamping mechanism 45, and when the plate 5 is positioned next, the clamping mechanism 45 cannot scratch the lower surface of the plate 5; meanwhile, the third driving mechanism 43 drives the roll-over stand 42 to roll over for a certain angle, such as 30-60 degrees, preferably 40 degrees, and the plate 5 slides along the rotation direction of the rotating wheel 464 under the action of gravity and abuts against the positioning block 462; the surface of the plate 5 is inspected, specifically, the inspection can be performed manually, or a machine vision manner, such as automatically inspecting the surface of the plate 5 by an inspection camera; if the sheet 5 is checked to have a problem, the process is immediately carried out, and if the sheet is checked to have no problem, the next step is carried out to start the continuous overturning of the overturning frame 42. Thus, one side of the plate 5 is positioned, namely the position of the plate 5 is ensured, and the accuracy of the falling position of the plate 5 is realized after the plate 5 is turned over;

(7) the jacking mechanism 463 of the positioning mechanism 45 is reset downwards, and the clamping mechanism 45 clamps the plate 5 on the turnover frame 42 to prepare for continuous turnover;

(8) the third driving mechanism 43 continues to drive the roll-over stand 42 to roll over until the plate 5 is in a horizontal state, the clamping mechanism 45 loosens the plate 5, and the plate 5 falls;

(9) the back of the plate 5 is inspected, and the plate is paved after the inspection is qualified; the back inspection can also be manual inspection or inspection by adopting a machine vision mode;

(10) the third drive mechanism 43 drives the roll-over carriage 42 back to ready to receive the next sheet 5.

Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.