Lithium battery top cover surface mounting device and surface mounting method

Abstract

The invention provides a lithium battery top cover surface mounting device and method. The lithium battery top cover surface mounting device comprises a control unit, a battery cell conveying and positioning unit, a surface mounting storage and positioning unit, an attaching unit and an adhesive tearing and waste discharging unit. The battery cell conveying and positioning unit can be controlled by the control unit to convey and position a plurality of battery cells, the patch storage and positioning unit can be controlled by the control unit to lift centrifugal paper, and the adhesive tearing and waste discharging unit can be controlled by the control unit to position and discharge waste of the centrifugal paper. And the attaching unit can be controlled by the control unit to carry and correspondingly move the plurality of top cover pasters on the positioned centrifugal paper to the top covers of the plurality of battery cells. Through mutual cooperation of the control unit, the battery cell conveying and positioning unit, the patch storage and positioning unit, the attaching unit and the adhesive tearing and waste discharging unit, high-efficiency and high-quality patch can be performed on the top cover of the battery.

Description

Technical Field

[0001] The invention relates to the technical field of underground coal mine transportation machinery, in particular to a lithium battery top cover patch device and a patch method. Background Art

[0002] With the rapid development of lithium batteries, the requirements for the quality and production capacity of lithium battery products are getting higher and higher. During the production process of square lithium batteries, a top cover patch will be attached to the battery cover for insulation when it enters the finished product stage.

[0003] At present, manual attachment or automatic attachment by equipment is mostly adopted. Manual attachment cannot guarantee the attachment quality, and there will be defects such as skewing and warping, and the efficiency is low, and the waste of personnel is high. Automatic attachment equipment cannot guarantee the attachment quality. For example, the comparative document with publication number CN109599587A discloses a fully automatic top cover patch device for lithium-ion square power batteries, including a feeding device, a positioning platform, a feeding device, an adsorption device, and a transplanting device. The feeding device is used to feed insulating sheets, and the feeding device and the adsorption device are installed on the transplanting device. The transplanting device drives the feeding device to take materials from the feeding device and place them on the positioning platform. The transplanting device drives the adsorption device to absorb materials from the positioning platform and stick them to the battery top cover; the structure of the device is simple, and the feeding device and the adsorption device each have only one station, which is inefficient and cannot guarantee the attachment quality. In addition, the device cannot tear off the centrifugal paper on the bottom of the patch for recycling. Summary of the invention

[0004] The technical problem to be solved by the present invention is how to perform patching on the top cover of the battery efficiently and with high quality.

[0005] The present invention solves the above technical problems through the following technical means:

[0006] A lithium battery top cover patch device comprises a control unit (2), a battery cell transport and positioning unit (3), a patch storage and positioning unit (4), an attaching unit (5), and a glue peeling and waste discharge unit (6); the battery cell transport and positioning unit (3) can control a plurality of battery cells (71) to be transported and positioned through the control unit (2), the patch storage and positioning unit (4) can control a centrifugal paper (8) to be lifted through the control unit (2), the glue peeling and waste discharge unit (6) can control a centrifugal paper (8) to be positioned and waste discharged through the control unit (2), and the attaching unit (5) can control a plurality of top cover patches (81) on the positioned centrifugal paper (8) to be transported and moved to the top covers of the plurality of battery cells (71) through the control unit (2).

[0007] Beneficial effect: Through the cooperation of the control unit, the battery cell conveying and positioning unit, the patch storage and positioning unit, the attaching unit, and the glue peeling and waste discharge unit, the top cover of the battery can be patched efficiently and with high quality.

[0008] Furthermore, the battery cell conveying and positioning unit (3) comprises a mounting frame (31), a conveyor belt (32), a tray blocking assembly (33), and an in-place anti-collision sensor (34); the conveyor belt (32) is fixed to the front and rear ends of the top wall of the mounting frame (31) correspondingly; a tray (7) is placed on the conveyor belt (32); a plurality of arranged and combined battery cells (71) are placed in the tray (7); an in-place anti-collision sensor (34) is fixed to the input end of the mounting frame (31); and tray blocking assemblies (33) are fixed to both sides of the top wall of the mounting frame (31).

[0009] Beneficial effects: Through the arrangement of the conveyor belt, the tray blocking assembly and the in-place anti-collision sensor, the conveyor belt can transport the battery cells, the tray blocking assembly can block the tray, and the in-place anti-collision sensor can sense whether the tray is in place.

[0010] Furthermore, the tray blocking assembly (33) comprises a blocking cylinder (331), a blocking block (332), and a movable wheel (333); the blocking cylinder (331) is fixed on the mounting frame (31); an output end of the blocking cylinder (331) extends through the mounting frame (31) and is fixed with a blocking block (332); and the blocking block (332) is rotatably connected with a movable wheel (333).

[0011] Beneficial effect: through the cooperation of the blocking cylinder, the blocking block and the movable wheel, the rising of the blocking cylinder can drive the blocking block to rise to play the role of blocking the pallet, and the movable wheel can reduce the friction between the blocking block and the pallet when it descends.

[0012] Furthermore, a battery cell lifting assembly (35) is fixed in the middle of the mounting frame (31); the battery cell lifting assembly (35) comprises a lifting cylinder (351), a tray positioning plate (352), and a guide rod (353); the lifting cylinder (351) passes through the top wall of the mounting frame (31) for fixing; the output end of the lifting cylinder (351) extends out of the top wall of the mounting frame (31) and is fixed with the tray positioning plate (352); guide rods (353) are fixed at the four corners of the tray positioning plate (352); the guide rods (353) pass through the top wall of the mounting frame (31) and are slidably connected thereto.

[0013] Beneficial effect: through the setting of the battery cell lifting assembly, the pallet positioning plate rises with the lifting cylinder to lift the pallet for initial positioning.

[0014] Furthermore, a cell positioning mechanism (36) is arranged above the cell lifting assembly (35), and the cell positioning mechanism (36) comprises a cell positioning plate (361), a positioning frame (362), an output component (363), and a battery lifting prevention sensor (364). The cell positioning plate (361) is designed as a plurality of square hole-shaped thin plates, and the size and number of the square holes are consistent with the length, width and number of the cells. The cell positioning plate (361) is fixed in the positioning frame (362), and the front and rear ends of the positioning frame (362) are fixed with output components (363), and the free ends of the output components (363) are fixed on the mounting frame (31) at the corresponding position. The battery lifting prevention sensors (364) are fixed on both sides of the positioning frame (362), and the battery lifting prevention sensors (364) are composed of a plurality of pairs of sensors and are respectively located on both sides of the tray (7).

[0015] Beneficial effect: Through the setting of the battery cell positioning mechanism, the square holes of the battery cell positioning plate can accurately position the battery cells in the tray, and the anti-battery lifting sensor can detect that the battery cells are lifted when the battery cell positioning plate is lifted.

[0016] Furthermore, the patch storage positioning unit (4) comprises a positioning rod (41), a guide plate (42), a patch lifting assembly (43), and a patch limit sensor (44); a plurality of the positioning rods (41) are provided, which cooperate with each other to surround and form a rectangular space; guide plates (42) are fixed at the front and rear ends of the rectangular space surrounded by the positioning rods (41); centrifugal paper (8) is placed between the guide plates (42) and the positioning rods (41) on both sides; a plurality of top cover patches (81) are attached to the centrifugal paper (8); a patch lifting assembly (43) is provided below the centrifugal paper (8); the patch lifting assembly (43) can drive the centrifugal paper (8) to move up and down; and patch limit sensors (44) are fixed at the top ends of the positioning rods (41) on both sides.

[0017] Beneficial effect: through the setting of the patch storage positioning unit, the patch lifting component can drive the centrifugal paper to move up and down, and the patch limit sensor can ensure that the centrifugal paper adsorption position is consistent each time.

[0018] Furthermore, the attachment unit (5) comprises a Y-axis servo component (51), an X-axis servo component (52), a Z-axis servo component (53), and an attachment suction cup (54); two Y-axis servo components (51) are arranged in parallel and at intervals along the X-axis; an X-axis servo component (52) is slidably connected between the two Y-axis servo components (51); a Z-axis servo component (53) is slidably connected to the X-axis servo component (52) along the Z-axis; an attachment suction cup (54) is fixed at the bottom end of the Z-axis servo component (53); and the adsorption holes in the attachment suction cup (54) are consistent with the spacing between the positions of the multiple top cover patches (81) and the positions of the multiple battery cells (71).

[0019] Beneficial effect: through the setting of the Y-axis servo assembly, the X-axis servo assembly and the Z-axis servo assembly, the top cover patch can be driven to move to each designated position through the attached suction cup.

[0020] Furthermore, the glue tearing and waste discharge unit (6) comprises a support plate (61), a clamping assembly (62), a boosting assembly (63), and a waste discharge channel (64); the clamping assembly (62) is fixed to the side of the support plate (61) away from the waste discharge channel (64); the boosting assembly (63) is fixed to the side of the support plate (61) close to the waste discharge channel (64); and the waste discharge channel (64) is placed on the adjacent side of the boosting assembly (63).

[0021] Beneficial effect: through the setting of the glue tearing and waste discharge unit, the clamping component can clamp the centrifugal paper, and the boosting component can make the centrifugal paper enter the waste discharge channel.

[0022] Furthermore, the boosting assembly (63) comprises a boosting cylinder (631), a buffer component (632), and a touch plate (633); the boosting cylinder (631) is fixed on the support plate (61); the output end of the boosting cylinder (631) extends toward the top and is fixed with the buffer component (632); and the touch plate (633) is fixed on the top of the buffer component (632).

[0023] Beneficial effect: By setting the buffer component, the booster cylinder can apply force evenly to prevent the centrifugal paper from jumping out of the waste discharge channel.

[0024] The present invention also discloses a patch method using the lithium battery top cover patch device described in any of the above technical solutions, comprising the following steps:

[0025] S1 controls the control unit (2) to transfer the plurality of battery cells (71) along the battery cell transport and positioning unit (3) to below the attachment unit (5);

[0026] S2 After the multiple battery cells (71) are stopped, the control unit (2) controls the battery cell conveying and positioning unit (3) to perform double positioning on the multiple battery cells (71);

[0027] S3 After the multiple battery cells (71) are double positioned, the control unit (2) controls the attaching unit (5) to move above the patch storage and positioning unit (4), and the attaching unit (5) moves the centrifugal paper (8) in the patch storage and positioning unit (4) to the glue removal and waste discharge unit (6) to position the centrifugal paper (8);

[0028] The S4 patch storage positioning unit (4) lifts the centrifugal paper (8) to ensure that the adsorption position of the centrifugal paper (8) is consistent each time;

[0029] S5: the attaching unit (5) rises to separate the top cover patch (81) from the centrifugal paper (8), and the attaching unit (5) moves the plurality of top cover patches (81) to the top covers of the plurality of battery cells (71);

[0030] S6 After the top cover patch (81) is separated from the centrifugal paper (8), the glue tearing and waste discharging unit (6) discharges the centrifugal paper (8);

[0031] S7: the control unit (2) repeats steps S3-S6 according to the set rules to mount the top covers of all the battery cells (71);

[0032] After the top cover patches (81) of all the battery cells (71) are attached, the control unit (2) controls the battery cell conveying and positioning unit (3) to release the double positioning of the plurality of battery cells (71), and the plurality of battery cells (71) flow into the next process along the battery cell conveying and positioning unit (3).

[0033] Beneficial effect: Through the setting of the patch method, the top cover of the battery can be patched efficiently and with high quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 A three-dimensional diagram of a lithium battery top cover patch device according to a first embodiment of the present invention;

[0035] Figure 2 This is a three-dimensional diagram of a cell conveying and positioning unit in a lithium battery top cover patch device according to a first embodiment of the present invention;

[0036] Figure 3 A three-dimensional diagram from another perspective of the battery cell conveying and positioning unit in the lithium battery top cover patch device according to the first embodiment of the present invention;

[0037] Figure 4 A three-dimensional diagram of a patch storage and positioning unit in a lithium battery top cover patch device according to a first embodiment of the present invention;

[0038] Figure 5 A three-dimensional diagram of a glue-tearing and waste-discharging unit in a lithium battery top cover patch device according to a first embodiment of the present invention;

[0039] Figure 6 It is a three-dimensional diagram of the glue tearing and waste discharge unit (excluding the waste discharge channel) in the lithium battery top cover patch device according to the first embodiment of the present invention. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Embodiment 1

[0042] like Figure 1 As shown, this embodiment provides a lithium battery top cover patch device, including a base 1, a control unit 2, a battery cell conveying and positioning unit 3, a patch storage and positioning unit 4, an attaching unit 5, and a glue peeling and waste discharge unit 6.

[0043] like Figure 1 As shown, the base 1 includes a mounting seat 11 and a support frame 12, one side of the support frame 12 is fixed on the mounting seat 11, and the other side of the support frame 12 is grounded; a control unit 2 is fixed on the side wall of the mounting seat 11, and a glue removal and waste discharge unit 6 and a patch storage and positioning unit 4 are fixed in sequence on the top wall of the mounting seat 11, a battery cell conveying and positioning unit 3 is placed between the mounting seat 11 and the support frame 12, and an attachment unit 5 is fixed on the top of the support frame 12; the control unit 2 is the prior art.

[0044] like Figure 1 , Figure 2 , Figure 3As shown, the battery cell conveying and positioning unit 3 includes a mounting frame 31, a conveyor belt 32, a tray blocking assembly 33, an in-place anti-collision sensor 34, a battery cell lifting assembly 35, and a battery cell positioning mechanism 36; the front and rear ends of the top wall of the mounting frame 31 are fixed with a conveyor belt 32 correspondingly, a tray 7 is placed on the conveyor belt 32, and a plurality of arranged and combined battery cells 71 are placed in the tray 7, an in-place anti-collision sensor 34 is fixed at the input end of the mounting frame 31, which can sense whether the tray is in place, and tray blocking assemblies 33 are fixed on both sides of the top wall of the mounting frame 31; the tray blocking assembly 33 includes a blocking cylinder 331, a blocking block 332, and an active The moving wheel 333 and the blocking cylinder 331 are fixed on the mounting frame 31. The output end of the blocking cylinder 331 extends through the mounting frame 31 and is fixed with a blocking block 332. The blocking block 332 is rotatably connected with a movable wheel 333. The rising of the blocking cylinder 331 can drive the blocking block 332 to rise and play the role of blocking the tray 7. The movable wheel 333 can reduce the friction between the blocking block 332 and the tray 7 when it descends. The middle part of the mounting frame 31 is fixed with a battery cell lifting assembly 35. The battery cell lifting assembly 35 includes a lifting cylinder 351, a tray positioning plate 352, and a guide rod 353. The lifting cylinder 351 extends through the mounting frame The top wall of the mounting frame 31 is fixed, the output end of the lifting cylinder 351 extends out of the top wall of the mounting frame 31 and is fixed with a tray positioning plate 352, and the four corners of the tray positioning plate 352 are fixed with guide rods 353, and the guide rods 353 penetrate the top wall of the mounting frame 31 and are slidably connected thereto; a cell positioning mechanism 36 is arranged above the cell lifting assembly 35, and an output component 361 of the cell positioning mechanism 36 is fixed on the mounting frame 31; the cell positioning mechanism 36 includes a cell positioning plate 361, a positioning frame 362, an output component 363, and an anti-battery lifting sensor 364, and the cell positioning plate 361 is designed to have a plurality of square holes The battery tray is a thin plate with a square hole size that is consistent with the length and width of the battery cell, and the number of square holes is consistent with the number of battery cells in the tray. The battery cell positioning plate 361 is fixed in the positioning frame 362. The front and rear ends of the positioning frame 362 are fixed with output components 363. The free ends of each output component 363 are fixed on the mounting frame 31 at the corresponding position. Both sides of the positioning frame 362 are fixed with anti-battery lifting sensors 364. The anti-battery lifting sensors 364 are composed of multiple pairs of sensors and are respectively located on both sides of the tray, and are used to detect whether the battery cell is lifted when the battery cell positioning plate 361 is lifted. In this embodiment, the output component 363 is a downward pressure cylinder.

[0045] like Figure 1 , Figure 4As shown, the patch storage positioning unit 4 includes a positioning rod 41, a guide plate 42, a patch lifting component 43, and a patch limit sensor 44. A plurality of positioning rods 41 are provided, which cooperate with each other to form a rectangular space. Guide plates 42 are fixed to the front and rear ends of the rectangular space surrounded by the positioning rods 41. Centrifugal paper 8 is placed between the guide plates 42 and the positioning rods 41 on both sides. A plurality of top cover patches 81 are affixed to the centrifugal paper 8. A patch lifting component 43 is provided below the centrifugal paper 8. The patch lifting component 43 is fixed on the mounting seat 11. The patch lifting component 43 can drive the centrifugal paper 8 to move up and down. Patch limit sensors 44 are fixed to the top of the positioning rods 41 on both sides.

[0046] like Figure 1 As shown, the attachment unit 5 includes a Y-axis servo component 51, an X-axis servo component 52, a Z-axis servo component 53, and an attachment suction cup 54. Two Y-axis servo components 51 are provided, which are respectively fixed on the top walls on both sides of the support frame 12. The X-axis servo component 52 is slidably connected between the two Y-axis servo components 51, and the Z-axis servo component 53 is slidably connected to the X-axis servo component 52. The bottom end of the Z-axis servo component 53 is fixed with an attachment suction cup 54. The Y-axis servo component 51, the X-axis servo component 52, and the Z-axis servo component 53 are all existing technologies and can drive the attachment suction cup 54 to move in the Y-axis, X-axis, and Z-axis directions. The attachment suction cup 54 is existing technology and can provide suction. The adsorption holes in the attachment suction cup 54 are consistent with the position of the top cover patch 81 and the spacing between the battery cells 71 in the tray 7.

[0047] like Figure 1 , Figure 5 , Figure 6As shown, the glue peeling and waste discharge unit 6 includes a support plate 61, a clamping assembly 62, a boosting assembly 63, and a waste discharge channel 64. The clamping assembly 62 is fixed on the side of the support plate 61 away from the waste discharge channel 64, and the boosting assembly 63 is fixed on the side of the support plate 61 close to the waste discharge channel 64. The waste discharge channel 64 is placed on the adjacent side of the boosting assembly 63; the clamping assembly 62 includes a clamping cylinder 621 and a clamping claw 622. The clamping cylinder 621 is fixed on the support plate 61, and the output end of the clamping cylinder 621 extends toward the top and is fixed with a clamping claw 622. A fixed position is formed between the clamping claw 622 and the top wall of the support plate 61, which can clamp the centrifugal paper 8; the boosting assembly 63 includes a boosting cylinder 631, a buffer component 632, and a touch plate 633. 31 is fixed on the support plate 61, the output end of the booster cylinder 631 extends toward the top and is fixed with a buffer component 632, and a touch plate 633 is fixed on the top of the buffer component 632, which is used to enable the centrifugal paper 8 to enter the waste discharge channel 64; the buffer component 632 includes a connecting plate 6321, a mounting rod 6322, and a buffer spring 6323. The connecting plate 6321 is fixed on the output end of the booster cylinder 631, and a mounting rod 6322 is fixed on both sides of the top wall of the connecting plate 6321. Each mounting rod 6322 is sleeved with a buffer spring 6323, and the free end of the mounting rod 6322 is fixed on the touch plate 633. The buffer component 632 can make the booster cylinder 631 apply force evenly to prevent the centrifugal paper 8 from jumping out of the waste discharge channel 64.

[0048] When in use, the control unit 2 is used to control the tray 7 loaded with battery cells 71 to flow from left to right along the battery cell conveying and positioning unit 3 to the bottom of the attachment unit 5, and the tray blocking components 33 are all in the open state during the flow process; the tray 7 is sensed to be in place by the in-place anti-collision sensor 34 and the tray blocking components 33 on the left and right of the tray 7 are closed by controlling the control unit 2, the tray blocking component 33 on the right side of the tray 7 is used to block the tray, and the tray blocking component 33 on the left side of the tray 7 prevents the second tray 7 from flowing to the bottom of the attachment unit 5 and causing a collision; after the tray 7 stops, the control unit 2 controls the lifting cylinder 351 to rise through the program, and at the same time, the tray positioning plate 352 rises with the lifting cylinder 351 to lift the tray 7 for positioning, and the lifting cylinder After 351 rises to its position, the control unit 2 controls the output component 363 to drive the battery cell positioning plate 361 and the positioning frame 362 to descend, and at the same time, the square hole of the battery cell positioning plate 361 precisely positions the battery cell 71 in the tray 7; after the battery cell 71 in the tray 7 is precisely positioned, the control unit 2 controls the Y-axis servo assembly 51 and the X-axis servo assembly 52 to cooperate with each other to move the attachment suction cup 54 to the top of the patch storage positioning unit 4, and uses the Z-axis servo assembly 53 to lower the attachment suction cup 54 to the centrifugal paper 8; the attachment suction cup 54 turns on the internal vacuum function and absorbs the top centrifugal paper 8; at the same time, the Y-axis servo assembly 51 and the X-axis servo assembly 52 cooperate with each other to move the attachment suction cup 54 to the glue tearing and waste discharge unit 6 and away from it. The front end of the centrifugal paper 8 is located in the clamp 622; at the same time, the storage positioning unit 4 uses the patch lifting component 43 to raise the centrifugal paper 8 to the patch limit sensor 44 to ensure that the adsorption position of the centrifugal paper 8 is consistent each time; the clamp 622 clamps the centrifugal paper 8 through the clamping cylinder 621, and at the same time, the Z-axis servo component 53 drives the attachment suction cup 54 to rise to separate the top cover patch 81 from the centrifugal paper 8; after separation, the boosting component 63 realizes the centrifugal paper 8 entering the waste discharge channel 64 through the boosting cylinder 631 and the buffer component 632 pop-up action; then the Y-axis servo component 51 and the X-axis servo component 52 cooperate with each other to drive the attachment suction cup 54 to move to the top of the battery cell 71 in the tray 7, and then descend to the battery cell 71 to make the top cover patch 81 and the battery cell 7 1 is accurately attached, and at the same time, the vacuum inside the attaching suction cup 54 is closed, the attaching suction cup 54 is separated from the battery cell and driven to rise by the Z-axis servo component 53; the control unit 2 repeats the sticker attaching steps of the attaching suction cup 54 according to the set rules to realize the top cover patch attaching action of all the battery cells 71 in the tray 7; after the top cover patches 81 of all the battery cells 71 in the tray 7 are attached, the output component 363 drives the battery cell positioning plate 361 and the positioning frame 362 to rise, and at the same time, the battery cell positioning plate 361 is separated from the battery cells 71 in the tray 7; when the battery cell 71 is stuck on the battery cell positioning plate 361 and is lifted up, the anti-battery lifting sensor 364 will sense the lifted battery cell 71 and start the alarm function to automatically stop through the control unit 2;After the output component 363 rises to its position, the lifting cylinder 351 descends, causing the tray 7 to fall onto the conveyor belt 32, and at the same time, the tray blocking component 33 opens to allow the tray 7 to flow into the next process, completing all the actions of the device. ;

[0049] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lithium battery top cover patch device, characterized in that: It comprises a control unit (2), a battery cell conveying and positioning unit (3), a patch storage and positioning unit (4), an attaching unit (5), and a glue removal and waste discharge unit (6); The battery cell transport and positioning unit (3) can be controlled by the control unit (2) to transport and position a plurality of battery cells (71); the patch storage and positioning unit (4) can be controlled by the control unit (2) to lift the centrifugal paper (8); the glue peeling and waste discharge unit (6) can be controlled by the control unit (2) to position and discharge the centrifugal paper (8); and the attachment unit (5) can be controlled by the control unit (2) to carry and move a plurality of top cover patches (81) on the positioned centrifugal paper (8) to the top covers of the plurality of battery cells (71).

2. A lithium battery top cover patch device according to claim 1, characterized in that: The battery cell conveying and positioning unit (3) comprises a mounting frame (31), a conveyor belt (32), a tray blocking assembly (33), and an in-place anti-collision sensor (34); the conveyor belt (32) is fixed to the front and rear ends of the top wall of the mounting frame (31) correspondingly; a tray (7) is placed on the conveyor belt (32); a plurality of arranged and combined battery cells (71) are placed in the tray (7); an in-place anti-collision sensor (34) is fixed to the input end of the mounting frame (31); and tray blocking assemblies (33) are fixed to both sides of the top wall of the mounting frame (31).

3. A lithium battery top cover patch device according to claim 2, characterized in that: The tray blocking assembly (33) comprises a blocking cylinder (331), a blocking block (332), and a movable wheel (333); the blocking cylinder (331) is fixed on the mounting frame (31); the output end of the blocking cylinder (331) extends through the mounting frame (31) and is fixed with a blocking block (332); the blocking block (332) is rotatably connected with the movable wheel (333).

4. A lithium battery top cover patch device according to claim 2, characterized in that: A battery cell lifting assembly (35) is fixed in the middle of the mounting frame (31); the battery cell lifting assembly (35) comprises a lifting cylinder (351), a tray positioning plate (352), and a guide rod (353); the lifting cylinder (351) penetrates the top wall of the mounting frame (31) for fixing; the output end of the lifting cylinder (351) extends out of the top wall of the mounting frame (31) and is fixed with the tray positioning plate (352); guide rods (353) are fixed at the four corners of the tray positioning plate (352); the guide rods (353) penetrate the top wall of the mounting frame (31) and are slidably connected thereto.

5. A lithium battery top cover patch device according to claim 4, characterized in that: A cell positioning mechanism (36) is arranged above the cell lifting assembly (35), and the cell positioning mechanism (36) comprises a cell positioning plate (361), a positioning frame (362), an output component (363), and a battery lifting prevention sensor (364). The cell positioning plate (361) is designed as a plurality of square hole-shaped thin plates, and the size and number of the square holes are consistent with the length, width and number of the cells. The cell positioning plate (361) is fixed in the positioning frame (362), and the front and rear ends of the positioning frame (362) are both fixed with output components (363), and the free ends of the output components (363) are both fixed on the mounting frame (31) at the corresponding position. The battery lifting prevention sensors (364) are both fixed on both sides of the positioning frame (362), and the battery lifting prevention sensors (364) are composed of a plurality of pairs of sensors and are respectively located on both sides of the tray (7).

6. A lithium battery top cover patch device according to claim 1, characterized in that: The patch storage positioning unit (4) comprises a positioning rod (41), a guide plate (42), a patch lifting assembly (43), and a patch limit sensor (44); a plurality of the positioning rods (41) are provided, which cooperate with each other to surround and form a rectangular space; guide plates (42) are fixed at the front and rear ends of the rectangular space surrounded by the positioning rods (41); centrifugal paper (8) is placed between the guide plates (42) and the positioning rods (41) on both sides; a plurality of top cover patches (81) are attached to the centrifugal paper (8); a patch lifting assembly (43) is provided below the centrifugal paper (8); the patch lifting assembly (43) can drive the centrifugal paper (8) to move up and down; and patch limit sensors (44) are fixed at the top ends of the positioning rods (41) on both sides.

7. A lithium battery top cover patch device according to claim 1, characterized in that: The attachment unit (5) comprises a Y-axis servo component (51), an X-axis servo component (52), a Z-axis servo component (53), and an attachment suction cup (54); two Y-axis servo components (51) are arranged in parallel and at intervals along the X-axis; an X-axis servo component (52) is slidably connected between the two Y-axis servo components (51); a Z-axis servo component (53) is slidably connected to the X-axis servo component (52) along the Z-axis; an attachment suction cup (54) is fixed at the bottom end of the Z-axis servo component (53); and the adsorption holes in the attachment suction cup (54) are consistent with the spacing between the positions of the multiple top cover patches (81) and the positions of the multiple battery cells (71).

8. A lithium battery top cover patch device according to claim 1, characterized in that: The glue peeling and waste discharge unit (6) comprises a support plate (61), a clamping assembly (62), a boosting assembly (63), and a waste discharge channel (64); the clamping assembly (62) is fixed to a side of the support plate (61) away from the waste discharge channel (64); the boosting assembly (63) is fixed to a side of the support plate (61) close to the waste discharge channel (64); and the waste discharge channel (64) is placed on the adjacent side of the boosting assembly (63).

9. A lithium battery top cover patch device according to claim 8, characterized in that: The boosting assembly (63) comprises a boosting cylinder (631), a buffer component (632), and a touch plate (633); the boosting cylinder (631) is fixed on the support plate (61); the output end of the boosting cylinder (631) extends toward the top and is fixed with the buffer component (632); the touch plate (633) is fixed on the top of the buffer component (632).

10. A method for patching a lithium battery top cover using the patch device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1 controls the control unit (2) to transfer the plurality of battery cells (71) along the battery cell transport and positioning unit (3) to below the attachment unit (5); S2 After the multiple battery cells (71) are stopped, the control unit (2) controls the battery cell conveying and positioning unit (3) to perform double positioning on the multiple battery cells (71); S3 After the multiple battery cells (71) are double positioned, the control unit (2) controls the attaching unit (5) to move above the patch storage and positioning unit (4), and the attaching unit (5) moves the centrifugal paper (8) in the patch storage and positioning unit (4) to the glue removal and waste discharge unit (6) to position the centrifugal paper (8); The S4 patch storage positioning unit (4) lifts the centrifugal paper (8) to ensure that the adsorption position of the centrifugal paper (8) is consistent each time; S5: the attaching unit (5) rises to separate the top cover patch (81) from the centrifugal paper (8), and the attaching unit (5) moves the plurality of top cover patches (81) to the top covers of the plurality of battery cells (71); S6 After the top cover patch (81) is separated from the centrifugal paper (8), the glue tearing and waste discharging unit (6) discharges the centrifugal paper (8); S7: the control unit (2) repeats steps S3-S6 according to the set rules to mount the top covers of all the battery cells (71); After the top cover patches (81) of all the battery cells (71) are attached, the control unit (2) controls the battery cell conveying and positioning unit (3) to release the double positioning of the plurality of battery cells (71), and the plurality of battery cells (71) flow into the next process along the battery cell conveying and positioning unit (3).

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