Lamination mechanism

Abstract

The utility model relates to a lamination mechanism which comprises a lamination mechanical arm and a movable roller assembly, the lamination mechanical arm and the movable roller assembly reciprocate between a lamination table and a positioning platform through a lamination driving assembly, and the movable roller assembly is used for guiding and correcting a diaphragm conveyed to the lamination table. The two sides of the movable roller assembly are provided with two lamination manipulators used for feeding positive plates and negative plates respectively, each lamination manipulator comprises a suction cup and a lifting assembly, the suction cups adsorb the pole plates through vacuum, the lifting assemblies drive the suction cups to conduct lifting operation on the lamination table and the positioning platform, and each lifting assembly comprises a first lifting driving part and a second lifting driving part; the first lifting driving part and the second lifting driving part are both in transmission connection with the suction cup, and the first lifting driving part and the second lifting driving part jointly drive the suction cup to ascend and descend. According to the utility model, the lamination driving assembly drives the movable roller assembly and the two lamination manipulators to move together, so that the synchronism of diaphragm folding and pole piece discharging is ensured, and the lamination efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery production equipment technical field, especially relate to a lamination mechanism. BACKGROUND

[0002] Z type laminating machine is used for producing square lithium battery, Z type laminating machine generally is by material placing mechanism, positive pole material box, negative pole material box, positive pole secondary positioning platform, negative pole secondary positioning platform, laminating material feeding mechanism, laminating platform, pasting rubber mechanism, blanking mechanism composition. The positive pole piece, negative pole piece are loaded into positive pole material box, negative pole material box respectively, and the diaphragm is placed on the laminating platform by material placing mechanism initiative, and the diaphragm reciprocates and folds, and the laminating material feeding mechanism moves left and right, and the pole piece is picked up in the positive pole material box, negative pole material box, and after secondary positioning, the positive pole piece, negative pole piece are alternately laminated on the diaphragm of laminating platform, and after laminating, the diaphragm is cut according to the set length, and then the rubber is pasted to the battery and is blanked automatically.

[0003] In the prior art, the laminating material feeding mechanism is used as the handling manipulator of the pole piece, needs to lift the suction cup and translate integrally, and when high-speed laminating operation is carried out, the inertia generated in the lifting process of the suction cup of the laminating material feeding mechanism is large, so that the driving load for driving the suction cup to lift is too large, the lifting operation speed of the suction cup is slow, and the laminating efficiency is affected. UTILITY MODEL CONTENTS

[0004] In order to solve the defects of the prior art, the utility model provides a laminating mechanism.

[0005] In the first aspect, the utility model provides a laminating mechanism, including laminating manipulator, movable roller assembly, the laminating manipulator and movable roller assembly reciprocate between laminating platform and positioning platform through laminating drive assembly, the movable roller assembly guides and corrects the diaphragm conveyed to the laminating platform, two laminating manipulators for the positive pole piece, negative pole piece feeding are arranged on the two sides of the movable roller assembly, the laminating manipulator includes suction cup and lifting assembly, the suction cup is through vacuum adsorption pole piece, the lifting assembly drives the suction cup to carry out lifting operation at laminating platform and positioning platform, the lifting assembly includes first lifting drive piece and second lifting drive piece, the first lifting drive piece, second lifting drive piece are all with suction cup transmission connection, the first lifting drive piece and second lifting drive piece jointly drive the suction cup to ascend, descend.

[0006] In some embodiments, the first lifting drive piece is a lifting motor, the lifting motor is transmission connection with the suction cup through the screw pair, the suction cup is slidably connected with the lifting guide rail, the second lifting drive piece and the transmission screw of screw pair, lifting guide rail are mutually parallel, the lifting motor drives the suction cup to move up and down along the lifting guide rail.

[0007] In some embodiments, the second lifting drive is a counterweight cylinder mounted on one side of the lifting motor, and a piston rod of the counterweight cylinder is connected with a transmission nut of the screw pair.

[0008] In some embodiments, the suction disc comprises a connecting plate, a suction plate and a buffer assembly, the connecting plate is in transmission connection with the lifting assembly, the suction plate is arranged below the connecting plate in a floating manner through the buffer assembly, the suction plate is provided with suction holes connected with an external air source, and a plurality of the suction holes are arranged on a lower surface of the suction plate.

[0009] In some embodiments, the suction plate is provided with a suction head for sucking the tab lugs at the end in the length direction, and a plurality of the suction holes are arranged on a lower surface of the suction head.

[0010] In some embodiments, the buffer assembly comprises a buffer cylinder and a material taking guide rail, the buffer cylinder is fixed on the connecting plate, a driving end of the buffer cylinder is connected with the suction plate, the material taking guide rail is fixed on the suction plate, the connecting plate is provided with a material taking sliding block in sliding connection with the material taking guide rail, and the suction plate moves up and down along the material taking guide rail under the action of the buffer cylinder, so as to form a buffer structure between the suction plate and the connecting plate.

[0011] In some embodiments, one side of the suction plate in the width direction is provided with a pressing block for pressing the diaphragm at the stack table.

[0012] In some embodiments, the movable roller assembly comprises a connecting seat, a deviation rectifying seat and a deviation rectifying drive assembly, the connecting seat is connected with the stack driving assembly, the connecting seat is provided with a deviation rectifying guide rail, the deviation rectifying seat is in sliding connection with the deviation rectifying guide rail, the deviation rectifying seat is provided with a passing roller for guiding the diaphragm, the deviation rectifying drive assembly is arranged between the connecting seat and the deviation rectifying seat, the deviation rectifying drive assembly comprises a deviation rectifying drive motor and a deviation rectifying drive screw, the deviation rectifying drive motor is mounted on the connecting seat, the deviation rectifying drive screw is parallel to the deviation rectifying guide rail, a deviation rectifying drive nut on the deviation rectifying drive screw is connected with the deviation rectifying seat, and the deviation rectifying drive motor drives the deviation rectifying seat to move along the deviation rectifying guide rail through the deviation rectifying drive screw, so as to rectify the diaphragm passing through the roller.

[0013] In some embodiments, the connecting seat is provided with a deviation rectifying sensor, the deviation rectifying sensor is fixed with the connecting seat through a mounting plate, and the mounting plate extends into the deviation rectifying seat, so as to mount the deviation rectifying sensor in the direction of the diaphragm.

[0014] In some embodiments, the stack driving assembly comprises a base and a linear drive module, the linear drive module is arranged on the base in a straight line and located above the stack table and the positioning platform, and the stack manipulator and the movable roller assembly are arranged on a sliding table of the linear drive module.

[0015] Compared with the prior art, the utility model discloses the beneficial effects are: through the lamination drive assembly together with the movable roller assembly and two lamination manipulators remove, guarantee the synchronism of diaphragm folding and pole piece, and the lamination manipulator passes through first elevating drive part and second elevating drive part and jointly drive suction cup to go up, drop, make the action response of suction cup lifting faster, improve the lamination efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the lamination mechanism of the embodiment of the application.

[0017] Figure 2 It is the top view structure schematic diagram of the lamination mechanism of the embodiment of the application.

[0018] Figure 3 It is the front structure schematic diagram of the lamination mechanism of the embodiment of the application.

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the lamination manipulator of the embodiment of the application.

[0020] Figure 5 It is the three-dimensional structure schematic diagram of the elevating assembly of the embodiment of the application.

[0021] Figure 6 It is the three-dimensional structure schematic diagram of the movable roller assembly of the embodiment of the application.

[0022] Figure 7 It is the three-dimensional structure schematic diagram of the movable roller assembly of the embodiment of the application.

[0023] Figure 8 It is the schematic diagram when the movable roller assembly of the embodiment of the application pulls diaphragm.

[0024] Figure 9 It is the Z-shaped lamination schematic diagram of the embodiment of the application.

[0025] Reference signs: 101, diaphragm;102, positive pole piece;103, negative pole piece;

[0026] 201, lamination table;202, positioning platform;203, fixed roller;

[0027] 1, lamination manipulator;

[0028] 2, suction cup;21, connecting plate;22, suction material plate;23, suction material head;24, pressing block;25, buffer assembly;251, buffer cylinder;252, material taking guide rail;253, material taking sliding block;

[0029] 3, lifting assembly; 31, first lifting driving part; 32, transmission screw; 33, transmission nut; 34, lifting guide rail; 35, second lifting driving part; 36, piston rod;

[0030] 4, movable roller assembly; 41, connecting seat; 42, deviation rectifying seat; 43, deviation rectifying guide rail; 44, passing roller; 45, deviation rectifying driving assembly; 451, deviation rectifying driving motor; 452, deviation rectifying driving screw; 453, deviation rectifying driving nut; 46, deviation rectifying sensor; 47, mounting plate;

[0031] 5, laminated sheet driving assembly; 51, base; 52, linear driving module; 53, sliding table. DETAILED DESCRIPTION

[0032] The specific implementation manners of the utility model are described with reference to the drawings.

[0033] Reference Figure 1 , the figure is the three-dimensional structure schematic diagram of laminated sheet mechanism, the figure π type structure is the base 51 of laminated sheet driving assembly 5, the base 51 is transversely provided with linear driving module 52, and linear driving module 52 is provided with one movable roller assembly 4 and two laminated sheet manipulators 1, and the two laminated sheet manipulators 1 are respectively used for feeding positive sheet 102 and negative sheet 103; linear driving module 52 drives two laminated sheet manipulators 1 and movable roller assembly 4 to move reciprocatingly between laminated sheet table 201 and positioning platform 202, so that the folding of diaphragm 101 at laminated sheet table 201 is highly synchronous with the feeding of sheet, and Z-shaped laminated sheet operation is realized.

[0034] Reference Figures 1 to 9 A laminated sheet mechanism, comprising laminated sheet manipulator 1 and movable roller assembly 4, laminated sheet manipulator 1 and movable roller assembly 4 move reciprocatingly between laminated sheet table 201 and positioning platform 202 through laminated sheet driving assembly 5, movable roller assembly 4 guides and rectifies deviation of diaphragm 101 conveyed to laminated sheet table 201, two laminated sheet manipulators 1 for feeding positive sheet 102 and negative sheet 103 are respectively arranged on the two sides of movable roller assembly 4, laminated sheet manipulator 1 comprises suction cup 2 and lifting assembly 3, suction cup 2 is vacuum adsorbed to sheet, lifting assembly 3 drives suction cup 2 to perform lifting operation at laminated sheet table 201 and positioning platform 202, lifting assembly 3 comprises first lifting driving part 31 and second lifting driving part 35, first lifting driving part 31 and second lifting driving part 35 are in transmission connection with suction cup 2, and first lifting driving part 31 and second lifting driving part 35 jointly drive suction cup 2 to ascend and descend.

[0035] The laminating mechanism of the embodiment moves the movable roller assembly 4 and the two laminating manipulators 1 together through the laminating driving assembly 5, ensures the synchronization of the folding of the diaphragm 101 and the feeding of the pole piece, and makes the laminating manipulator 1 drive the suction cup 2 to ascend and descend through the first lifting driving part 31 and the second lifting driving part 35, so that the action of the ascending and descending of the suction cup 2 is more responsive, and the laminating efficiency is improved.

[0036] In order to drive the suction cup 2 to ascend and descend, in the embodiment, the first lifting driving part 31 is a lifting motor, the lifting motor is in driving connection with the suction cup 2 through a screw pair, the suction cup 2 is slidably connected with a lifting guide rail 34, the second lifting driving part 35 is parallel to the driving screw rod 32 of the screw pair and the lifting guide rail 34, and the lifting motor drives the suction cup 2 to move up and down along the lifting guide rail 34. Figures 1 to 5 It can be understood that, in this way, the torque of the lifting motor is large, can drive a larger load, and thus smoothly drives the suction cup 2 to ascend and descend, and at the same time, the lifting motor drives the suction cup 2 to ascend and descend through the screw pair, so that the ascending and descending stroke of the suction cup 2 can be accurately controlled, and in the ascending and descending process, the suction cup 2 is guided through the lifting guide rail 34, so that the suction cup 2 can be accurately controlled to ascend and descend, and the feeding of the pole piece on the positioning platform 202 and the feeding at the laminating table 201 can be well completed.

[0037] In order to reduce the load of the lifting motor, in the embodiment, the second lifting driving part 35 is a counterweight cylinder, the counterweight cylinder is installed on one side of the lifting motor, and the piston rod 36 of the counterweight cylinder is connected with the driving nut 33 of the screw pair.

[0038] Figures 1 to 5 It can be understood that, in this way, the counterweight cylinder acts on the driving nut 33, the driving nut 33 is directly connected with the suction cup 2, and the gravity of the suction cup 2 and the pole piece will directly act on the driving nut 33, in the process of driving the suction cup 2 to ascend and descend by the lifting motor, the counterweight cylinder continuously pulls up to offset a part of the gravity of the suction cup 2 and the pole piece, so that the inertia of the suction cup 2 in the ascending and descending movement is reduced, thereby reducing the load of the lifting motor, improving the response speed of the lifting motor in the ascending and descending switching action, and further improving the laminating efficiency.

[0039] In order to ensure that the suction cup 2 can stably suck the pole piece, in the embodiment, the suction cup 2 includes a connecting plate 21, a suction plate 22 and a buffer assembly 25, the connecting plate 21 is in driving connection with the lifting assembly 3, the suction plate 22 is arranged below the connecting plate 21 in a floating manner through the buffer assembly 25, the suction plate 22 is provided with suction holes connected with an external air source, and a plurality of suction holes are arranged on the lower surface of the suction plate 22.

[0040] Figure 4

[0041] ​​​It can be understood that, in this way, the suction plate 22 reduces the impact on the positioning platform 202 and the lamination table 201 through the buffer assembly 25, avoids hard contact of the suction plate 22 with the positioning platform 202 and the lamination table 201, so that the suction plate 22 can stably suck and place the pole piece, reduces damage to the pole piece, and avoids edge lifting of the pole piece; at the positioning platform 202, the suction holes of the suction plate 22 form a negative pressure through the external air source to vacuum adsorb the pole piece, and at the lamination table 201, the suction plate 22 can place the pole piece on the lamination table 201 by disconnecting the air source.

[0042] In order to better suck the pole piece, in the embodiment, the suction plate 22 is provided with a suction head 23 for sucking the pole piece tab at the end in the length direction, and a plurality of suction holes are arranged on the lower surface of the suction head 23. Figure 4

[0043] It can be understood that, in this way, the pole piece tabs are all outwardly protruding, and the tabs are sucked by the suction head 23 to avoid edge lifting, so that the pole piece can be better sucked.

[0044] In order to form a better buffer structure between the suction plate 22 and the connecting plate 21, in the embodiment, the buffer assembly 25 includes a buffer air cylinder 251 and a taking material guide rail 252, the buffer air cylinder 251 is fixed on the connecting plate 21, the driving end of the buffer air cylinder 251 is connected with the suction plate 22, the taking material guide rail 252 is fixed on the suction plate 22, the connecting plate 21 is provided with a taking material sliding block 253 in sliding connection with the taking material guide rail 252, and the suction plate 22 moves up and down along the taking material guide rail 252 under the action of the buffer air cylinder 251 to form a buffer structure between the suction plate 22 and the connecting plate 21. Figure 4

[0045] It can be understood that, in this way, the buffer is performed by compressed air in the buffer air cylinder 251, the buffer air cylinder 251 is equivalent to an air spring, and the taking material guide rail 252 guides the suction plate 22 to stably rise and fall during the buffer process; when the suction plate 2 sucks the pole piece on the positioning platform 202, the lifting assembly 3 will press the suction plate 2 downward by a certain distance, the buffer air cylinder 251 will continuously push the suction plate 22 downward, so that the suction plate 22 tightly contacts the pole piece, the torque of the lifting assembly 3 is far greater than the pushing force of the buffer air cylinder 251 due to the pressure limitation of the compressed air in the buffer air cylinder 251, and the suction plate 22 moves upward along the taking material guide rail 252 relative to the connecting plate 21 to realize the buffer.

[0046] In order to ensure the flatness of the diaphragm 101 when it is folded, in the embodiment, the suction plate 22 is provided with a pressing block 24 on one side in the width direction to press the diaphragm 101 at the lamination table 201. Figure 4

[0047] ​​​It can be understood that, thusly arranged, in order to ensure the insulation between the positive plate 102 and the negative plate 103, the width of the separator 101 is greater than the length of the plate, so that the separator 101 covers the whole plate, and the tabs of the plate are exposed at the end to be welded to the current collector. When the separator 101 is folded, the edge of the separator 101 can be pressed by the pressing block 24, so that the edge of the separator 101 is not wrinkled, and the folding effect is affected.

[0048] In order to guide the folding of the separator 101, in the embodiment, the separator 101 is folded by the folding assembly 4. Figures 6 to 8 The folding assembly 4 includes a connecting seat 41, a deviation rectifying seat 42 and a deviation rectifying driving assembly 45. The connecting seat 41 is connected with the plate driving assembly 5. The deviation rectifying seat 42 is slidably connected with the deviation rectifying guide rail 43. The deviation rectifying seat 42 is provided with a guide roller 44 for guiding the separator 101. The deviation rectifying driving assembly 45 is arranged between the connecting seat 41 and the deviation rectifying seat 42. The deviation rectifying driving assembly 45 includes a deviation rectifying driving motor 451 and a deviation rectifying driving screw 452. The deviation rectifying driving motor 451 is mounted on the connecting seat 41. The deviation rectifying driving screw 452 is parallel to the deviation rectifying guide rail 43. A deviation rectifying driving nut 453 on the deviation rectifying driving screw 452 is connected with the deviation rectifying seat 42. The deviation rectifying driving motor 451 drives the deviation rectifying seat 42 to move along the deviation rectifying guide rail 43 through the deviation rectifying driving screw 452, so as to rectify the deviation of the separator 101 passing through the guide roller 44.

[0049] It can be understood that, thusly arranged, in the plate stacking process, the plate stacking table 201 and the positioning platform 202 are kept stationary. The left and right folding of the separator 101 is achieved by moving the folding assembly 4 left and right. In the left and right moving and turning process of the separator 101, the separator 101 deviates. The deviation rectifying driving assembly 45 drives the deviation rectifying seat 42 to move, so as to drive the separator 101 to move and rectify the deviation. The deviation rectifying motor and the deviation rectifying driving screw 452 can accurately control the displacement of the deviation rectifying seat 42, so as to ensure the quality of the deviation rectification of the separator 101.

[0050] In order to sense the deviation of the separator 101, in the embodiment, the deviation rectifying sensor 46 is arranged on the connecting seat 41. Figure 6 The deviation rectifying sensor 46 is fixed to the connecting seat 41 through a mounting plate 47. The mounting plate 47 extends into the deviation rectifying seat 42, so as to mount the deviation rectifying sensor 46 in the moving direction of the separator 101.

[0051] It can be understood that, thusly arranged, the deviation rectifying sensor 46 is fixed to the connecting seat 41 through the mounting plate 47. The deviation rectifying sensor 46 on the connecting seat 41 only has displacement in the vertical plane, and has no displacement in the width direction of the separator 101, so that the deviation rectifying sensor 46 can sense the edge in the width direction of the separator 101. The deviation of the separator 101 is sensed by detecting the edge position of the separator 101.

[0052] In order to drive the movement of the lamination manipulator 1 and the movable roller assembly 4, in the embodiment, the lamination driving assembly 5 includes a base 51 and a linear driving module 52, which is arranged on the base 51 in a straight line and above the lamination table 201 and the positioning platform 202, and the lamination manipulator 1 and the movable roller assembly 4 are arranged on the sliding table 53 of the linear driving module 52. Figure 1

[0053] It can be understood that, in this way, the linear driving module 52 is arranged transversely on the base 51, and the lamination manipulator 1 and the movable roller assembly 4 are arranged on the sliding table 53 of the linear driving module 52, and the movable roller assembly 4 and the two lamination manipulators 1 are driven to move together by the lamination driving assembly 5, thereby ensuring the synchronization of the folding of the diaphragm 101 and the placement of the pole piece.

[0054] It needs to be further explained that, referring to Figure 8 and Figure 9 , the fixed roller 203 is arranged directly above the lamination table 201, and the diaphragm 101 enters the upper and lower two groups of passing rollers 44 of the movable roller assembly 4 only after being guided by the fixed roller 203. The lamination manipulator 1, the movable roller assembly 4 are synchronously driven to move left and right by the lamination driving assembly 5, the movable roller assembly 4 drags the diaphragm 101 between the fixed roller 203 and the lamination table 201 to move left and right, and the lamination manipulator 1 grasps the pole piece on the positioning platform 202 to the lamination table 201 to perform Z-shaped lamination.

[0055] When the lamination manipulator 1 on the positive pole piece 102 side moves to the positioning platform 202 on the positive pole piece 102 side, the suction cup 2 is driven to descend by the lifting motor, and the suction cup 2 on the positive pole piece 102 side is lowered to the height of the positioning platform 202 to suck the positive pole piece 102 onto the suction cup 2. After the lamination table 201 presses the negative pole piece 103, the lamination manipulator 1 on the positive pole piece 102 side moves to the lamination table 201, and in the process of moving, the movable roller assembly 4 drags the diaphragm 101 to cover the negative pole piece 103 on the lamination table 201, and the suction cup 2 on the positive pole piece 102 side is lowered synchronously, and after reaching the lamination table 201, the suction cup 2 on the positive pole piece 102 side presses the diaphragm 101 with the pressing block 24, and at the same time, the positive pole piece 102 is placed on the diaphragm 101 of the lamination table 201, and then the lamination table 201 presses the positive pole piece 102, and the placement of the next negative pole piece 103 is performed, and after the placement of the positive pole piece 102 and the negative pole piece 103 is alternately completed, the Z-shaped lamination is completed; during the lifting of the suction cup 2, the counterweight cylinder continuously pulls upward to reduce the load of the lifting motor; during the suction of the pole piece by the suction cup 2, the buffer cylinder 251 continuously pushes the suction plate 22 downward to form a buffer and reduce the impact on the pole piece during the downward pressing of the suction cup 2, eliminate mechanical errors, and avoid the edge lifting of the pole piece.

[0056] ​The embodiment of the application drives the movable roller assembly 4 and the two laminated mechanical hands 1 together through the laminated driving assembly 5, guarantees the synchronism of the diaphragm 101 folding and the pole piece feeding, and drives the suction cup 2 to ascend and descend through the first lifting driving part 31 and the second lifting driving part 35, so that the action of the suction cup 2 ascending and descending is more responsive, and the laminating efficiency is improved; the suction cup 2 is guided through the feeding guide rail 252, forms a buffer structure through the buffer cylinder 251, reduces the impact on the pole piece in the process of the laminated mechanical hand 1 feeding and taking the piece, eliminates the mechanical error, and avoids the pole piece edge lifting; the movable roller assembly 4 detects the position of the diaphragm 101 material line in real time during the laminating process through the deviation rectifying sensor 46 and the deviation rectifying driving assembly 45, and carries out closed-loop deviation rectifying, so that the diaphragm 101 feeding and folding are accurate, and the quality of the battery cell is guaranteed.

[0057] The above is not any limitation on the technical range of the application, and any modification, equivalent change and modification made to the above embodiments according to the technical essence of the application still belong to the range of the technical scheme of the application.

Claims

1. A lamination mechanism characterized by, The application relates to a laminating machine, which comprises a laminating manipulator and a movable roller assembly, the laminating manipulator and the movable roller assembly are reciprocated between a laminating table and a positioning platform through a laminating driving assembly, the movable roller assembly guides and corrects a diaphragm conveyed to the laminating table, two laminating manipulators for feeding positive and negative plates are arranged on the two sides of the movable roller assembly, the laminating manipulator comprises a suction cup and a lifting assembly, the suction cup is used for vacuum adsorbing the plate, the lifting assembly drives the suction cup to perform lifting operation at the laminating table and the positioning platform, the lifting assembly comprises first and second lifting driving elements, the first and second lifting driving elements are in transmission connection with the suction cup, and the first and second lifting driving elements jointly drive the suction cup to ascend and descend.

2. The stacker mechanism of claim 1, wherein, The first lifting driving element is a lifting motor, the lifting motor is in transmission connection with the suction cup through a screw pair, the suction cup is slidably connected with a lifting guide rail, the second lifting driving element is parallel to a transmission screw of the screw pair and the lifting guide rail, and the lifting motor drives the suction cup to move up and down along the lifting guide rail.

3. The lamination mechanism of claim 2, wherein, The second lifting driving element is a counterweight cylinder, the counterweight cylinder is installed on one side of the lifting motor, and a piston rod of the counterweight cylinder is connected with a transmission nut of the screw pair.

4. The stacker mechanism of claim 1, wherein, The suction cup comprises a connecting plate, a suction plate and a buffer assembly, the connecting plate is in transmission connection with the lifting assembly, the suction plate is arranged below the connecting plate in a floating mode through the buffer assembly, the suction plate is provided with suction holes connected with an external air source, and a plurality of the suction holes are arranged on the lower surface of the suction plate.

5. The stacker mechanism of claim 4, wherein, The suction plate is provided with a suction head for sucking plate tabs at the end in the length direction, and a plurality of the suction holes are arranged on the lower surface of the suction head.

6. The stacker mechanism of claim 4, wherein, The buffer assembly comprises a buffer cylinder and a material taking guide rail, the buffer cylinder is fixed on the connecting plate, a driving end of the buffer cylinder is connected with the suction plate, the material taking guide rail is fixed on the suction plate, the connecting plate is provided with a material taking sliding block in sliding connection with the material taking guide rail, and the suction plate moves up and down along the material taking guide rail under the action of the buffer cylinder, thereby forming a buffer structure between the suction plate and the connecting plate.

7. The stacker mechanism of claim 6, wherein, One side of the suction plate in the width direction is provided with a pressing block for pressing the diaphragm at the laminating table.

8. The stacker mechanism of claim 1, wherein, The movable roller assembly comprises a connecting seat, a correction seat and a correction driving assembly, the connecting seat is connected with the laminating driving assembly, the connecting seat is provided with a correction guide rail, the correction seat is in sliding connection with the correction guide rail, the correction seat is provided with a through roller for guiding the diaphragm, the correction driving assembly is arranged between the connecting seat and the correction seat, the correction driving assembly comprises a correction driving motor and a correction driving screw, the correction driving motor is installed on the connecting seat, the correction driving screw is parallel to the correction guide rail, a correction driving nut on the correction driving screw is connected with the correction seat, and the correction driving motor drives the correction seat to move along the correction guide rail through the correction driving screw, so as to correct the diaphragm passing through the roller.

9. The stacker mechanism of claim 8, wherein, The connecting seat is provided with a correction sensor, the correction sensor is fixed on the connecting seat through a mounting plate, and the mounting plate extends into the correction seat, so as to install the correction sensor in the advancing direction of the diaphragm.

10. The stacker mechanism of claim 1, wherein, The lamination driving assembly comprises a base and a linear driving module, the linear driving module is arranged on the base along a straight line and is located above the lamination table and the positioning platform, and the lamination manipulator and the movable roller assembly are arranged on the sliding table of the linear driving module.

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