CN109399184B

CN109399184B - PU board feeding system

Info

Publication number: CN109399184B
Application number: CN201811559064.XA
Authority: CN
Inventors: 李国威; 郭川; 杨增信; 杨清顺
Original assignee: Chengdu Zhenghai Automotive Upholstery Co ltd
Current assignee: Chengdu Zhenghai Automotive Upholstery Co ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-08-25
Anticipated expiration: 2038-12-20
Also published as: CN109399184A

Abstract

The invention relates to a PU plate feeding system which comprises a base, a needling cylinder and a lifting mechanism, wherein the lifting mechanism comprises a servo motor, a lifting screw rod and a lifting guide pillar, an output shaft of the servo motor is connected with the lifting screw rod, a material spreading table is arranged on the base, the base is provided with a first sliding groove along the X-axis direction of the base, the first sliding groove is connected with a pair of first limiting rods which slide oppositely, the base is provided with a second sliding groove along the Y-axis direction of the base, the second sliding groove is connected with a pair of second limiting rods which slide oppositely, the first limiting rod is provided with a first cylinder which drives the first limiting rod to slide along the first sliding groove, and the second limiting rod is provided with a second cylinder which drives the second limiting rod to slide along the second sliding groove. The first limiting rod and the second limiting rod are respectively adjusted according to the size of the PU plate, and the PU plate is clamped and positioned, so that the PU plate is aligned with the needling cylinder without manual adjustment.

Description

PU board feeding system

Technical Field

The invention relates to the technical field of PU (polyurethane) board feeding, in particular to a PU board feeding system.

Background

At present, the PU base material of the automobile ceiling is mainly manually fed, because the PU plate material is brittle in characteristics, the PU plate is easily broken by the manual feeding and feeding method, the repeated positioning precision in the feeding process cannot be guaranteed, and the PU plate is easily deviated. The manual operation mode ensures that the production takt time of the product is long, the production efficiency is low, and the labor intensity of workers is high; and the PU plate is often cracked in the carrying process, so that great hidden danger of product quality exists, and the product rejection rate is high.

In the prior art, chinese patent with publication number CN102180363A discloses an automatic feeding mechanism for PU plates, which includes a base and a feeding cylinder located on the base; a lifting rod is arranged in the base, one end of the lifting rod extends into the base, and the other end of the lifting rod is connected with a lifting mechanism on the base; the lifting rod is provided with an inductive switch, a material grabbing cylinder and a needling driving cylinder corresponding to the end part positioned in the base, and symmetrically distributed needling is arranged on a piston rod of the needling driving cylinder.

The above prior art solutions have the following drawbacks: when the PU plate positioning device works, the PU plate is manually stacked on the base in the traditional mode, and meanwhile, the PU plate stacked on the base needs to be aligned with the needling air cylinder above the base, so that the labor is wasted, the production efficiency is low, and the positioning is troublesome.

Disclosure of Invention

The invention aims to provide a PU plate feeding system which has the advantages of reducing labor intensity, being accurate in positioning and improving production efficiency.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a PU board feeding system, includes base, acupuncture cylinder and hoist mechanism, hoist mechanism includes servo motor and elevating screw and lift guide pillar, servo motor's output shaft with elevating screw connects, be provided with the stone platform on the base, the base is provided with first spout along its X axle direction, first spout sliding connection has a pair of first gag lever post of lapse in opposite directions, the base is provided with the second spout along its Y axle direction, second spout sliding connection has a pair of second gag lever post of lapse in opposite directions, be provided with its edge of drive on the first gag lever post first cylinder of first spout gliding, be provided with its edge of drive on the second gag lever post the gliding second cylinder of second spout.

Implement above-mentioned technical scheme, place the PU board at the material platform back, according to the PU size, start first cylinder and drive two first gag lever posts and slide in opposite directions along first spout, press from both sides tight location to the both sides of PU board from the X axle direction of base, restart second cylinder and drive two second gag lever posts and slide in opposite directions along the second spout, press from both sides tight location to the both sides of PU board from the Y axle direction of base, thereby press from both sides tight and fix a position four limits to the PU board, and then make the PU board after the location align with the acupuncture cylinder of base top, through first cylinder and second cylinder, adjust first gag lever post and second gag lever post respectively according to the PU board size, press from both sides tight location to the PU board, thereby make the PU board align with the acupuncture cylinder, do not need the manual work to adjust, the manpower is saved, the efficiency of promotion.

The invention is further provided that the first and second chutes are provided with scales along the length direction thereof.

Implement above-mentioned technical scheme, through being provided with the scale, make things convenient for operating personnel to observe the scale according to the size of PU board to confirm whether first cylinder and second cylinder promote first gag lever post and second gag lever post respectively to the location size that the PU board needs.

The invention is further provided that a third sliding groove for sliding the first limiting rod is communicated with one end of the base at the first sliding groove along the length direction parallel to the second sliding groove, and the first air cylinder is vertically connected with a third air cylinder.

Implement above-mentioned technical scheme, first gag lever post is when operating personnel places the PU board on the base, through being provided with the third spout, start the third cylinder and promote first gag lever post to its end of keeping away from first spout along the third spout, make first gag lever post can not lead to the fact when placing the PU board on the base and block, place the back on the base as the PU board, rethread third cylinder promotes first gag lever post to the junction of first spout and third spout along the third spout, make when fixing a position the PU board, first gag lever post can slide along first spout.

The invention is further provided with a boss which is arranged on the material spreading platform in a penetrating and sliding manner, and a fourth cylinder which is used for driving the boss to lift along a direction vertical to the material spreading platform is arranged below the material spreading platform.

Implement above-mentioned technical scheme, when transporting the base through fork truck with the PU board that stacks, through starting the fourth cylinder, the fourth cylinder drives the boss, make the boss with the upper surface looks parallel and level of stone platform rise protrusion in stone platform, give fork truck the space of unloading, when the PU board is unloaded to the boss, rethread fourth cylinder drives the boss, make its decline and with the upper surface parallel and level of stone platform, thereby make the PU board place at stone bench.

The material spreading device is further provided with a fifth air cylinder used for driving the material spreading platform to lift and descend, a vertical rod is arranged on the base, a sixth air cylinder perpendicular to the vertical rod is arranged at one end, away from the base, of the vertical rod, a piston rod of the sixth air cylinder extends outwards along the axis direction of the piston rod and is connected with a push rod, one end, away from the sixth air cylinder, of the push rod is connected with an L-shaped push plate, the L-shaped push plate comprises a vertical plate perpendicular to the material spreading platform and a transverse plate parallel to the material spreading platform, the lowest end of the vertical plate is connected with the push rod, and one end, away from the push rod, of the vertical plate is perpendicularly connected with the transverse plate.

After the technical scheme is implemented, after a plurality of PU plates are stacked on the spreading table through a forklift, the fifth cylinder pushes the spreading table to move upwards, so that the fifth cylinder stops working after the uppermost PU plate is abutted to the transverse plate of the L-shaped push plate, when the lifting mechanism drives the needling cylinder to grab and lift the PU plates, because the vertical plate of the L-shaped push plate is as thick as a PU plate, the sixth cylinder is started, the L-shaped push plate is driven by the push rod to push the uppermost PU plate, the PU plates are pushed outwards for a certain distance, the sixth cylinder drives the L-shaped push plate to reset, when the transverse plate moves to be separated from the PU plates, the lifting mechanism drives the needling cylinder to grab and lift the PU plates, so that the transverse plate cannot cause blockage in the grabbing and lifting processes of the PU plates, and when the L-shaped push plate is reset, the fifth cylinder pushes the spreading table to move upwards, thereby make PU board and diaphragm looks butt once more, then carry out like above PU board snatch and promote the process again to make hoist mechanism at every turn the stroke that moves down the same, solved and promoted the problem that the stroke can increase when promoting another PU board after the PU board before, reduced PU board transit time, thereby promoted the efficiency in the production process.

The invention is further provided that one surfaces of the vertical plate and the transverse plate which are respectively abutted with the workpiece are covered with rubber pads.

Implement above-mentioned technical scheme, through all being provided with the rubber pad on riser and diaphragm for the riser is at the in-process that promotes the PU board, through the buffering of rubber pad, reduces damage between them, promotes the in-process of PU board and diaphragm looks butt at the fifth cylinder simultaneously, through the buffering of rubber pad, also reduces damage between them.

The invention is further provided that the first limiting rod and the second limiting rod are provided with a roller along one surface of the first limiting rod and the second limiting rod which are abutted against a workpiece in the length direction.

Implement above-mentioned technical scheme, through being provided with the gyro wheel for the fifth cylinder promotes the in-process that paves the material platform and drive the PU board and rise, and the PU board contacts with the gyro wheel, makes the PU board become rolling friction with the sliding friction of first gag lever post and second gag lever post respectively, has reduced the PU board when rising respectively with first gag lever post and second gag lever post between the frictional force.

The invention is further provided that the base is provided with a seventh cylinder for driving the vertical rod to lift.

Implement above-mentioned technical scheme, highly different according to the PU board stacks on the base, through starting seventh cylinder, go up and down through promoting the montant, adjust the height between montant and the base for the diaphragm can carry out the butt with the PU board of top, thereby makes the montant can carry out the adjustment of length according to the thickness that the PU board stacked.

The invention is further arranged in that a fourth sliding groove parallel to the second sliding groove is formed in the base and used for enabling the vertical rod to slide towards a workpiece, and an eighth air cylinder for driving the vertical rod to slide along the fourth sliding groove is arranged on the vertical rod.

Implement above-mentioned technical scheme, through being provided with the fourth spout, can start the eighth cylinder according to the PU size, promote the relative slip of montant and fourth spout through the eighth cylinder and adjust the position of montant on the base for the riser is the looks butt with the PU board of upper end mutually.

In conclusion, the invention has the following beneficial effects:

firstly, the first limiting rod and the second limiting rod are respectively adjusted according to the size of the PU plate through the first air cylinder and the second air cylinder, and the PU plate is clamped and positioned, so that the PU plate is aligned with the needling air cylinder, manual adjustment is not needed, labor is saved, and efficiency is improved;

two, the sixth cylinder drives L shape push pedal through the push rod and promotes the PU board of top, outwards promote one section distance back with the PU board, the sixth cylinder drives L shape push pedal and resets, when the diaphragm moves to breaking away from mutually with the PU board, hoist mechanism drives the acupuncture cylinder and snatchs and promote the PU board, after L shape push pedal resets, the fifth cylinder promotes stone platform upward movement, thereby make the PU board again with diaphragm looks butt, thereby make hoist mechanism at every turn the stroke of lapse the same, the problem that the stroke can increase when having solved earlier promoted another PU board after promoting a PU board and promoting another PU board, PU board transit time has been reduced, thereby efficiency in the production process has been promoted.

Drawings

FIG. 1 is a schematic view of the overall structure of a PU plate feeding system according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of the overall structure of a base according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a PU plate feeding system in which a boss protrudes from a base in the embodiment of the present invention.

Reference numerals: 1. a base; 2. a needling cylinder; 3. a lifting mechanism; 31. a servo motor; 32. lifting a screw rod; 33. a lifting guide post; 4. a material spreading table; 5. a first chute; 6. a first limit rod; 7. a second chute; 8. a second limiting rod; 9. a first cylinder; 10. a second cylinder; 11. a graduated scale; 12. a third chute; 13. a third cylinder; 14. a boss; 15. a fourth cylinder; 16. a fifth cylinder; 17. a vertical rod; 18. a sixth cylinder; 19. a push rod; 20. an L-shaped push plate; 201. a vertical plate; 202. a transverse plate; 21. a rubber pad; 22. a roller; 23. a seventh cylinder; 24. a fourth chute; 25. and an eighth cylinder.

Detailed Description

The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings.

Examples

As shown in FIG. 1, a PU board loading attachment, including base 1, acupuncture cylinder 2 and hoist mechanism 3, hoist mechanism 3 includes servo motor 31, lifting screw 32 and lift guide pillar 33. The output shaft of the servo motor 31 is connected with the lifting screw 32 and used for driving the lifting screw, the servo motor 31 is started, the servo motor 31 drives the lifting screw 32 through the output shaft, and the needling cylinder 2 is driven to lift under the limiting action of the lifting guide pillar 33.

With reference to fig. 1 and 3, a material spreading table 4 is embedded in a base 1, a first sliding groove 5 is arranged on the base 1 along the X-axis direction of the base, the first sliding groove 5 is divided into two sections on the base 1 because of the material spreading table 4, the first sliding groove 5 is slidably connected with a pair of first limiting rods 6 which slide in opposite directions, and each section of the first sliding groove 5 is slidably connected with one first limiting rod 6. The first limiting rod 6 is provided with a first cylinder 9 for driving the first limiting rod to slide along the first sliding groove 5, and the first cylinder 9 is fixed on the base 1. The base 1 is provided with the second spout 7 along its Y axle direction, and the second spout 7 is divided into two sections on the base 1 because the platform 4 that paves, and second spout 7 sliding connection has a pair of second gag lever post 8 of gliding in opposite directions, and every section second spout 7 sliding connection has a second gag lever post 8. The second limiting rod 8 is provided with a second cylinder 10 for driving the second limiting rod to slide along the second sliding groove 7, and the second cylinder 10 is fixed on the base 1.

As shown in fig. 1, a third sliding groove 12 for sliding the first limiting rod 6 is communicated with one end of the base 1 at the first sliding groove 5 along a length direction parallel to the second sliding groove 7, and the first motor is vertically bolted with a third cylinder 13 for driving the first limiting rod 6 to slide along the third sliding groove 12. Meanwhile, the first sliding groove 5 and the second sliding groove 7 are provided with the graduated scales 11 along the length direction thereof, and the first limiting rod 6 slides in opposite directions along the first sliding groove 5 and the second limiting rod 8 slides in opposite directions along the second sliding groove 7 to form a space for accommodating the PU plate.

Referring to fig. 1 and 2, the base 1 is provided with a fourth sliding groove 24 parallel to the second sliding groove 7, the fourth sliding groove 24 is connected with a vertical rod 17 perpendicular to the base 1 in a sliding manner, the vertical rod 17 is provided with an eighth cylinder 25 for driving the vertical rod to slide along the fourth sliding groove 24, and the eighth cylinder 25 is fixed on the base 1. Meanwhile, a support is arranged below the vertical rod 17 and is connected with the fourth sliding groove 24 in a sliding mode, and a seventh air cylinder 23 used for driving the vertical rod 17 to lift is arranged between the support and the vertical rod 17. One end of the vertical rod 17 far away from the base 1 is vertically connected with a sixth air cylinder 18, and a piston rod of the sixth air cylinder 18 extends outwards along the axis direction thereof and is connected with a push rod 19. An L-shaped push plate 20 is welded at one end of the push rod 19 far away from the sixth cylinder 18, and the L-shaped push plate 20 comprises a vertical plate 201 perpendicular to the base 1 and a horizontal plate 202 parallel to the base 1. The lowest end of the vertical plate 201 is welded with the push rod 19, one end, far away from the push rod 19, of the vertical plate 201 is perpendicularly connected with the transverse plate 202, and the vertical plate 201 and the transverse plate 202 are respectively covered with and bonded with the rubber pad 21 on the side abutted to the PU plate. Meanwhile, the first limiting rod 6 and the second limiting rod 8 are provided with rollers 22 along one surfaces, which are abutted against the PU plate, in the length direction of the first limiting rod and the second limiting rod.

Referring to fig. 3 and 4, a fifth cylinder 16 for driving the material spreading table 4 to ascend and descend is disposed in the base 1. When not in work, the spreading table 4 is embedded in the base 1 and is flush with the upper surface of the base 1. The material spreading table 4 is internally provided with a boss 14 in a penetrating and sliding connection mode, and a fourth cylinder 15 used for driving the boss 14 to lift along the direction perpendicular to the material spreading table 4 is arranged below the material spreading table 4. When transporting the PU board that will stack to base 1 through fork truck, through starting fourth cylinder 15, fourth cylinder 15 drives boss 14, make boss 14 with the upper surface looks parallel and level of stone platform 4 rise protrusion in stone platform 4, give fork truck the space of unloading, when the PU board is unloaded on boss 14, rethread fourth cylinder 15 drives boss 14, make it descend and with the upper surface parallel and level of stone platform 4, thereby make the PU board place on stone platform 4.

The specific working process is as follows: when the PU plate is stacked on the base 1, the first air cylinder 9 is started to drive the first limiting rod 6 to slide to the joint of the first sliding groove 5 and the third sliding groove 12 along the first sliding groove 5, then the first air cylinder 9 is closed to start the third air cylinder 13, so that the first air cylinder 9 is driven to drive the first limiting rod 6 to slide along the third sliding groove 12 to the tail end of the first sliding groove 5.

Then, the fourth cylinder 15 drives the boss 14, so that the boss 14 flush with the upper surface of the spreading table 4 rises to protrude out of the spreading table 4, and a space for the forklift to unload materials is provided. The PU plates which are stacked are placed on the boss 14 through a forklift, and the boss 14 is driven by the fourth air cylinder 15 to descend and be parallel to the spreading table 4, so that the PU plates are placed on the spreading table 4.

Then, the third cylinder 13 drives the first cylinder 9 to drive the first limiting rod 6 to slide along the third sliding groove 12 to the joint of the first sliding groove 5 and the third sliding groove 12. The rethread first cylinder 9 drives first gag lever post 6 and slides along first spout 5 for two first gag lever posts 6 slide in opposite directions along first spout 5, press from both sides tight location to the both sides of PU board from base 1's X axle direction, start second cylinder 10, drive second gag lever post 8 and slide along second spout 7, make two second gag lever posts 8 slide in opposite directions along second spout 7, press from both sides tight location to the both sides of PU board from base 1's Y axle direction.

After the PU board is stacked and positioned on the spreading table 4, the seventh cylinder 23 is started according to the thickness of the stacked PU boards, the vertical rod 17 is pushed to lift through adjustment, and the height between the vertical rod 17 and the base 1 is adjusted, so that the transverse plate 202 can be abutted to the PU board at the top. Then start eighth cylinder 25, promote the relative slip of montant 17 and fourth spout 24 through eighth cylinder 25 and adjust the position of montant 17 on base 1 for riser 201 is mutually supported with the PU board of top.

When hoist mechanism 3 drives acupuncture cylinder 2 and snatchs and promote the PU board, start earlier with montant 17 relative second cylinder 10, drive second gag lever post 8 through second cylinder 10 along second spout 7, one section distance of position slip of keeping away from the PU board towards, give the space that L shape push pedal 20 promoted the PU board. Restart sixth cylinder 18 again, drive L shape push pedal 20 through push rod 19 and promote the PU board of upper extreme, after outwards promoting a section distance with the PU board, sixth cylinder 18 drives L shape push pedal 20 and resets, when diaphragm 202 moves to and breaks away from mutually with the PU board, hoist mechanism 3 drives acupuncture cylinder 2 and snatchs and promote the PU board, thereby make diaphragm 202 snatch the PU board and can not cause the blockking with the in-process that promotes, after L shape push pedal 20 resets, fifth cylinder 16 promotes shop material platform 4 upward movement, thereby make the PU board again with diaphragm 202 looks butt, then carry out like PU board snatchs and the lift process again, thereby make hoist mechanism 3 the stroke of downward movement at every turn the same.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A PU plate feeding system comprises a base (1), a needling cylinder (2) and a lifting mechanism (3), wherein the lifting mechanism (3) comprises a servo motor (31), a lifting screw (32) and a lifting guide post (33), an output shaft of the servo motor (31) is connected with the lifting screw (32), a material spreading table (4) is arranged on the base (1), the PU plate feeding system is characterized in that the base (1) is provided with a first chute (5) along the X-axis direction of the base, the first chute (5) is connected with a pair of first limiting rods (6) which slide in opposite directions in a sliding manner, the base (1) is provided with a second chute (7) along the Y-axis direction of the base, the second chute (7) is connected with a pair of second limiting rods (8) which slide in opposite directions in a sliding manner, a first cylinder (9) which drives the first limiting rod (6) to slide along the first chute (5) is arranged on the first limiting rod (6), the second limiting rod (8) is provided with a second cylinder (10) for driving the second limiting rod to slide along the second sliding groove (7), the base (1) is provided with a third sliding groove (12) for sliding the first limiting rod (6) at one end of the first sliding groove (5) along the length direction parallel to the second sliding groove (7), the first cylinder (9) is vertically connected with a third cylinder (13), the material spreading platform (4) is provided with a boss (14) in a penetrating and sliding manner, the material spreading platform (4) is provided with a fourth cylinder (15) for driving the boss (14) to lift along the direction perpendicular to the material spreading platform (4), the base (1) is provided with a fifth cylinder (16) for driving the material spreading platform (4) to lift, the base (1) is provided with a vertical rod (17), one end of the vertical rod (17) far away from the base (1) is provided with a sixth cylinder (18) perpendicular to the vertical rod (17), the piston rod of sixth cylinder (18) is connected with push rod (19) along its axis direction outside extension, push rod (19) are kept away from the one end of sixth cylinder (18) is connected with L shape push pedal (20), L shape push pedal (20) include with spreading platform (4) looks vertically riser (201) and with spread horizontal board (202) that material platform (4) paralleled, the least significant end of riser (201) with push rod (19) are connected, riser (201) are kept away from the one end of push rod (19) with horizontal board (202) are connected perpendicularly.

2. A PU board feeding system according to claim 1, wherein the first chute (5) and the second chute (7) are provided with scales (11) along their length direction.

3. A PU board feeding system according to claim 1, wherein the faces of the vertical board (201) and the horizontal board (202) abutting against the workpiece are covered with rubber pads (21).

4. A PU plate feeding system according to claim 1, wherein the first limiting rod (6) and the second limiting rod (8) are provided with rollers (22) along the surface abutting against the workpiece in the length direction.

5. A PU board feeding system according to claim 1, wherein a seventh cylinder (23) for driving the vertical rod (17) to ascend and descend is arranged on the base (1).

6. A PU board feeding system according to claim 1, wherein a fourth sliding chute (24) is provided on the base (1) parallel to the second sliding chute (7) for sliding the vertical rod (17) towards a workpiece, and an eighth cylinder (25) is provided on the vertical rod (17) for driving the vertical rod to slide along the fourth sliding chute (24).