Plectrum-type battery cell film-wrapping and edge-folding device

Abstract

The utility model discloses a shifting piece type battery cell enveloping and edge folding device which comprises a battery cell fixing mechanism, a width direction edge folding mechanism and a length direction edge folding mechanism, the width-direction edge folding mechanisms and the length-direction edge folding mechanisms are respectively arranged at two pole ends of a battery cell in pairs, and the battery cell fixing mechanism is arranged between the two width-direction edge folding mechanisms and the length-direction edge folding mechanisms; the width direction edge folding mechanism is provided with a shifting piece mechanism; and the width-direction edge folding mechanism and the length-direction edge folding mechanism are both provided with battery cell positioning mechanisms. According to the utility model, the shifting piece mechanism is additionally arranged to connect two-time edge folding operation, so that blue films subjected to two-time edge folding do not interfere with each other, four corners of the blue film at the pole end of a battery cell are prevented from being overlapped, and the edge folding yield is improved; the battery cell positioning mechanism moves along with the width-direction edge folding mechanism and the length-direction edge folding mechanism, so that the width-direction edge folding mechanism and the length-direction edge folding mechanism reach the position closest to the battery cell pole column end, and the edge folding efficiency is improved.

Description

A type of paddle-type battery cell coating folding device Technical Field

[0001] This utility model patent relates to the field of battery manufacturing technology, and in particular to a paddle-type cell coating folding device. Background Technology

[0002] Cell coating, as the final step in cell manufacturing, ensures insulation and enhances aesthetics. Folding is a crucial step in the coating process, and its quality directly impacts the overall coating quality. For current blade cells, with terminals on both sides, folding must avoid these terminals. Currently, the blue film at the terminal end is typically cut at the four corners before two folds. However, if folding is performed directly after the corner cuts, the first fold easily overlaps with the adjacent blue film, affecting the second fold. This results in overlapping corners of the blue film at the terminal end, creating non-adhesive areas, leading to poor folding and affecting the yield rate of subsequent insulating sheet application.

[0003] For example, the utility model patent with announcement number CN221080073U confines the main body of the battery cell on a platform, and sets the folding machine on the side of the battery cell to be folded. The rolling assembly is driven by the driving mechanism to roll the edge of the battery cell to be folded, thereby bending the edge and attaching it to the coating film body. The folding machine includes a rolling assembly and a driving mechanism. The output end of the driving mechanism is connected to the rolling assembly to drive the rolling assembly to perform linear reciprocating motion to roll the edge of the top corner of the battery cell body and make the edge bend and attach it to the coating film body. This technical solution will inevitably cause the blue film in two directions to overlap, thereby affecting the yield of subsequent processes. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a paddle-type cell coating folding device that separates the blue film folding operations in two directions and connects the two folding operations by setting a paddle mechanism to avoid the blue film overlapping in the two directions during folding.

[0005] To address the existing technical problems, this utility model discloses a paddle-type battery cell coating folding device, comprising: a battery cell fixing mechanism, a width-direction folding mechanism, and a length-direction folding mechanism;

[0006] The width-direction folding mechanism and the length-direction folding mechanism are respectively arranged in pairs at the two pole ends of the battery cell, and the battery cell fixing mechanism is located between the width-direction folding mechanism and the length-direction folding mechanism;

[0007] The width-direction folding mechanism is provided with a prying mechanism for opening the blue film in the length direction;

[0008] Both the width-direction folding mechanism and the length-direction folding mechanism are equipped with a cell positioning mechanism.

[0009] The technical effect achieved by the above settings is that by connecting the two folding operations through the lever mechanism, the blue film of the two folds does not interfere with each other, and avoids the four corners of the blue film at the battery cell terminal overlap.

[0010] Furthermore, the battery cell fixing mechanism includes a lifting assembly and a clamping assembly;

[0011] The lifting assembly includes a lifting cylinder, and vertical guide sliding components are respectively provided on both sides of the lifting cylinder. The top of the vertical guide sliding components and the output end of the lifting cylinder are both connected to the lifting platform. The lifting cylinder drives the lifting platform to move up and down in the vertical direction. The lifting platform is provided with a support seat.

[0012] The clamping assembly includes a clamping cylinder and a cylinder jaw connected to each other. The clamping cylinder is located on the support base and is used to drive the cylinder jaw to clamp or release the battery cell.

[0013] The technical effects achieved by the above settings are as follows: the lifting cylinder lifts the battery cell to a height that facilitates folding, and the clamping cylinder drives the gripper to ensure the reliable positioning of the battery cell during clamping. At the same time, the clamping force on the battery cell can be controlled by adjusting the tightness of the gripper to avoid damaging the battery cell.

[0014] Furthermore, the vertical guide sliding assembly includes a vertical guide rail mounting plate, a guide rail slider, and a slider connecting plate, with the slider connecting plate slidably connected to the vertical guide rail mounting plate via the guide rail slider.

[0015] The technical effect achieved by the above settings is to ensure the stability of the battery cell during lifting and to prevent the battery cell from slipping.

[0016] Furthermore, the support base includes a clamping cylinder mounting plate, a support column, and a battery cell placement plate; the battery cell placement plate is used to place the battery cells, and the battery cell placement plate is fixed to the clamping cylinder mounting plate by the support column, and the clamping cylinder mounting plate is fixed to the lifting platform.

[0017] The technical effect achieved by the above settings is to further improve the stability of the clamped battery cell through the support base.

[0018] Furthermore, the width-direction folding mechanism includes a first pushing component, a width folding drive component, and a push roller; the first pushing component is connected to the width folding drive component, the push roller is connected to the width folding drive component, and the width folding drive component is used to drive the push roller to press and fold the blue film in the width direction of the cell electrode end.

[0019] The technical effect achieved by the above settings is as follows: the first pushing component brings the push roller close to the end of the battery cell electrode, and the push roller presses and folds the blue film in the width direction of the end of the battery cell electrode, ensuring the tightness of the blue film and the battery cell in the first fold.

[0020] Furthermore, the first pushing component includes a first telescopic cylinder, a first guide rail assembly, and a width-direction folding mechanism mounting plate. The output end of the first telescopic cylinder is connected to the width-direction folding mechanism mounting plate, and the width-direction folding mechanism mounting plate is slidably connected to the first guide rail. The first telescopic cylinder drives the width-direction folding mechanism mounting plate to move along the first guide rail assembly. The cell positioning mechanism, the width folding drive assembly, and the push roller are all mounted on the width-direction folding mechanism mounting plate.

[0021] The technical effects achieved by the above settings are as follows: the battery cell length positioning mechanism is installed on the mounting plate of the folding mechanism in the width direction, and the extension stroke of the first telescopic cylinder is until the battery cell length positioning mechanism abuts the end of the battery cell pole. On the one hand, the battery cell is positioned in the length direction of the battery cell, and on the other hand, the push roller can be sent to the position closest to the end of the battery cell pole, thereby improving the folding efficiency.

[0022] Furthermore, the paddle mechanism includes a paddle cylinder, a paddle mounting bracket, a first paddle, and a second paddle. The output end of the paddle cylinder is connected to the paddle mounting bracket. The first paddle and the second paddle are respectively located at both ends of the paddle mounting bracket. The paddle cylinder is used to drive the first paddle and the second paddle through the paddle mounting bracket to lift the blue film in the length direction of the battery cell terminal.

[0023] The technical effect achieved by the above settings is that the blue film in the same direction at the battery cell terminal is opened by the first and second paddles, so that the blue film will not interfere with each other during the two folding operations; preferably, when the battery cell terminal is folded in the width direction, the first and second paddles open the blue film in the length direction at the battery cell terminal.

[0024] Furthermore, the length-direction folding mechanism includes: a second pushing component, a length folding drive component, and a push block; the second pushing component is connected to the length folding drive component; the push block is connected to the length folding drive component, and the length folding drive component is used to drive the push block to fold the blue film in the length direction of the cell electrode post.

[0025] The technical effect achieved by the above settings is as follows: considering that the length of the battery cell terminal is relatively long, a push block with the same length as the battery cell terminal is used for a second folding to ensure the consistency of the blue film folding.

[0026] Furthermore, the second pushing component includes a second telescopic cylinder, a second guide rail assembly, and a length-direction folding mechanism mounting plate. The output end of the second telescopic cylinder is connected to the length-direction folding mechanism mounting plate, and the length-direction folding mechanism mounting plate is slidably connected to the second guide rail. The second telescopic cylinder drives the length-direction folding mechanism mounting plate to move along the second guide rail assembly. The cell positioning mechanism, the length folding drive assembly, and the push block are all mounted on the length-direction folding mechanism mounting plate.

[0027] The technical effects achieved by the above settings are as follows: the battery cell length positioning mechanism is installed on the mounting plate of the folding mechanism in the length direction, and the extension stroke of the second telescopic cylinder is until the battery cell length positioning mechanism abuts the end of the battery cell electrode. On the one hand, the battery cell is positioned in the length direction of the battery cell, and on the other hand, the push block can be sent to the position closest to the end of the battery cell electrode, thereby improving the folding efficiency.

[0028] Furthermore, the cell positioning mechanism clamps the cell from its two terminal ends. The cell length positioning mechanism includes: a mounting limit block, a guide shaft, a linear bearing, a length positioning block mounting block, a length positioning block, and an adjusting screw. The guide shaft passes through the linear bearing, with one end connected to the mounting limit block and the other end connected to the length positioning block mounting block. The linear bearing connects a width-direction folding mechanism and a length-direction folding mechanism. The length positioning block is connected to the length positioning block mounting block, and the length positioning block has a contact portion for abutting against the cell terminal ends. The adjusting screw is threadedly connected to the mounting limit block.

[0029] The technical effect achieved by the above settings is as follows: by connecting the width direction folding mechanism mounting plate and the length direction folding mechanism mounting plate with a linear bearing, the length positioning block mounting block can extend and retract along the guide shaft. The extension distance of the length positioning block mounting block can be adjusted by adjusting the screw, thereby adjusting the extension distance of the length positioning block, thus achieving precise positioning of the battery cell and facilitating the blue film folding operation.

[0030] The beneficial effects of this utility model are:

[0031] 1. By adding a lever mechanism to connect the two folding operations, the blue film of the two folds does not interfere with each other, avoids the four corners of the blue film at the battery cell terminal end overlaps, and improves the yield of folding.

[0032] 2. The cell positioning mechanism moves along with the width-direction folding mechanism and the length-direction folding mechanism, so that the width-direction folding mechanism and the length-direction folding mechanism reach the position closest to the cell terminal end, thereby improving the folding efficiency. Attached Figure Description

[0033] Figure 1 is a schematic diagram of the overall structure of an embodiment of this utility model;

[0034] Figure 2 is a schematic diagram of the battery cell fixing mechanism in an embodiment of this utility model;

[0035] Figure 3 is a schematic diagram of the width-direction folding mechanism in an embodiment of this utility model;

[0036] Figure 4 is a schematic diagram of the folding mechanism in the length direction in an embodiment of this utility model;

[0037] Figure 5 is a schematic diagram of the battery cell positioning mechanism in an embodiment of this utility model;

[0038] Figure 6 is a schematic diagram of the cell fixing and positioning state in an embodiment of this utility model.

[0039] Figure label:

[0040] 1. Battery Cell Fixing Mechanism: 100. Battery Cell; 101. Positioning Base Plate; 102. Vertical Guide Rail Mounting Plate; 103. Guide Rail Slider; 104. Slider Connecting Plate; 105. Cylinder Connecting Plate; 106. Clamping Cylinder Mounting Plate; 107. Support Column; 108. Battery Cell Placement Plate; 109. Clamping Cylinder; 110. Cylinder Gripper; 111. Lifting Cylinder Mounting Plate; 112. Lifting Cylinder;

[0041] 2. Width-direction folding mechanism: 201. First base plate; 202. First support column; 203. First support upper plate; 204. First guide rail slider; 205. First slider mounting plate; 206. First telescopic cylinder; 207. Width-direction folding mechanism mounting plate; 208. Width-direction folding cylinder; 209. Push roller mounting block; 210. Push roller; 211. Paddle cylinder; 212. Paddle mounting bracket; 213. First paddle; 214. Second paddle;

[0042] 3. Length-direction folding mechanism: 301. Second base plate; 302. Second support column; 303. Second support upper plate; 304. Second guide rail slider; 305. Second slider mounting plate; 306. Second telescopic cylinder; 307. Length-direction folding mechanism mounting plate; 308. Length-direction folding cylinder; 309. Vertical guide rail slider; 310. Vertical slider mounting plate; 311. Push block mounting block; 312. Push block;

[0043] 4. Cell positioning mechanism: 401. Mounting limit block; 402. Guide shaft; 403. Linear bearing; 404. Length positioning block mounting block; 405. Length positioning block; 406. Adjusting screw. Detailed Implementation

[0044] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and should not be construed as limiting the scope of protection of the present invention. Embodiment 1

[0045] As shown in Figure 1, this embodiment provides a paddle-type battery cell coating folding device, including: a battery cell fixing mechanism 1, a battery cell positioning mechanism 4, a paddle mechanism, a width-direction folding mechanism 2, and a length-direction folding mechanism 3; the battery cell fixing mechanism 1 is located at the bottom of the battery cell 100, clamping the battery cell 100 from both sides and fixing the battery cell 100 in a position convenient for blue film folding; the battery cell positioning mechanism 4 moves with the width-direction folding mechanism 2 and the length-direction folding mechanism 3, so that the width-direction folding mechanism and the length-direction folding mechanism approach the terminal end of the battery cell 100, and fold the battery cell 100 from both ends. The device is clamped in place; the prying mechanism is used to lift the blue film in the length or width direction of the terminal end of the battery cell 100, so that the blue film in the length or width direction of the terminal end of the battery cell 100 avoids the blue film in the other direction. In this embodiment, the prying mechanism is set in the width direction folding mechanism 2. When folding the blue film in the width direction of the terminal end of the battery cell 100, the blue film in the length direction of the terminal end of the battery cell 100 is first lifted, and the width direction folding mechanism 2 first folds the blue film in the width direction of the terminal end of the battery cell 100; then the battery cell 100 is moved to the next station, and the blue film in the length direction of the terminal end of the battery cell 100 is folded by the length direction folding mechanism 3. Example 2

[0046] As shown in Figure 2, this embodiment provides a specific implementation of the battery cell fixing mechanism 1 based on the concept of embodiment 1; the battery cell fixing mechanism 1 includes a lifting component and a clamping component, the lifting component is used to lift the battery cell 100 to a predetermined height, and the clamping component is used to clamp the battery cell 100 on both sides.

[0047] The lifting assembly includes a battery cell placement plate 108 and a lifting cylinder 112. The battery cell placement plate 108 is used to place the battery cells 100. The battery cell placement plate 108 is fixed to a clamping cylinder mounting plate 106 via a support column 107. The clamping cylinder mounting plate 106 is fixed to a cylinder connecting plate 105. The cylinder connecting plate 105 is connected to the output end of the lifting cylinder 112. The lifting cylinder 112 is mounted on a lifting cylinder mounting plate 111, which is connected to a positioning base plate 101 via a vertical guide rail mounting plate 102. A slider connecting plate 104 is connected below the cylinder connecting plate 105. The slider connecting plate 104 is connected to the vertical guide rail mounting plate 102 via a guide rail slider 103, forming a vertically moving guide sliding assembly. The lifting of the lifting cylinder 112 drives the lifting of the upper battery cell placement plate 108 via the cylinder connecting plate 105 connected to its end.

[0048] The clamping assembly includes a clamping cylinder 109 and a cylinder gripper 110; the clamping cylinder 109 is fixed on the clamping cylinder mounting plate 106, and the cylinder gripper 110 is connected to the output end of the clamping cylinder 109; the clamping cylinder 109 drives the cylinder gripper 110 to clamp or release the battery cell 100. Example 3

[0049] As shown in Figure 3, this embodiment provides a specific implementation of the width-direction folding mechanism 2 based on the concept of embodiment 1;

[0050] The width-direction folding mechanism includes a first support platform and a first pushing component, a width folding drive component, and a push roller 210 disposed on the first support platform;

[0051] The first support platform includes a first base plate 201, which is connected to a first support upper plate 203 via a first support column 202;

[0052] The first pushing assembly includes a first slider mounting plate 205 and a first telescopic cylinder 206 mounted on the first support upper plate 203. The output end of the first telescopic cylinder 206 is connected to the first slider mounting plate 205, and a first guide rail slider 204 is mounted below the first slider mounting plate 205 as a guide. A width-direction folding mechanism mounting plate 207 is fixed to the end of the first slider mounting plate 205. Width-direction folding mechanism mounting plate 207 is mounted on the left and right sides of the width-direction folding mechanism mounting plate 207, and the output end of the width-direction folding cylinder 208 is connected to the push roller 210 through the push roller mounting block 209. A paddle cylinder 211 is mounted on the top and bottom of the width-direction folding mechanism mounting plate 207, and the output end of the paddle cylinder 211 is connected to the first paddle 213 and the second paddle 214 respectively through the paddle mounting bracket 212. The cell positioning mechanism 4 is mounted on the width-direction edge mechanism mounting plate 207. The first telescopic cylinder 206 extends and, through the first slider mounting plate 205, drives the width-direction folding mechanism mounting plate 207, thereby driving the cell positioning mechanism 4 forward until the cell positioning mechanism 4 touches the terminal end of the cell 100, thus positioning the length of the cell 100. Then, the paddle cylinder 211 retracts and, through the paddle mounting bracket 212, drives the first paddle 213 and the second paddle 214 to paddle open the blue film in the length direction. Next, the width-direction folding cylinder 208 extends and, through the push roller mounting block 209, drives the push roller 210 to perform blue film crushing and folding in the width direction. Example 4

[0053] As shown in Figure 4, this embodiment provides a specific implementation of the length-direction folding mechanism 3 based on the concept of embodiment 1;

[0054] The length-direction folding mechanism 3 includes: a second support platform and a second pushing component, a length folding drive component and a push block disposed on the second support platform;

[0055] The second support platform includes a second base plate 301, which is connected to a second support upper plate 303 via a second support column 302.

[0056] The second pushing component includes a second telescopic cylinder 306 and a second slider mounting plate 305 mounted on the second support plate 303. The output end of the second telescopic cylinder 306 is connected to the second slider mounting plate 305, and a second guide rail slider 304 is mounted below the second slider mounting plate 305 for guiding purposes. A length-direction folding mechanism mounting plate 307 is fixed to the end of the second slider mounting plate 305. A length-direction folding cylinder 308 is mounted above and below the length-direction folding mechanism mounting plate 307. The output end of the length-direction folding cylinder 308 is connected to a vertical slider mounting plate 310. A push block mounting block 311 is mounted above the vertical slider mounting plate 310, and a push block 312 is mounted at the end of the push block mounting block 311. A vertical guide rail slider 309 is mounted below the vertical slider mounting plate 310 for guiding purposes. The cell positioning mechanism 4 is fixed to the length-direction folding mechanism mounting plate 307. The second telescopic cylinder 306 extends, and through the second slider mounting plate 305, drives the length-direction folding mechanism mounting plate 307, thereby driving the cell positioning mechanism 4 to move forward until the cell positioning mechanism 4 touches the terminal end of the cell 100, thus positioning the length of the cell 100; then the length-direction folding cylinder 308 extends, and through the vertical slider mounting plate 310, drives the push block 312 to push from above and below to perform length-direction blue film folding. Example 5

[0057] As shown in Figure 5, this embodiment provides a specific implementation of the cell positioning mechanism 4 based on the concepts of Embodiments 1, 3 and 4;

[0058] The cell positioning mechanism 4 includes: a mounting limit block 401, a guide shaft 402, a linear bearing 403, a length positioning block mounting block 404, a length positioning block 405, and an adjusting screw 406.

[0059] One end of the guide shaft 402 is connected to the mounting limit block 401, and the other end passes through the linear bearing 403 and is fixed to the length positioning block mounting block 404. The length positioning block 405 is mounted on the length positioning block mounting block 404. The entire cell positioning mechanism 4 is mounted on the width-direction folding mechanism mounting plate 207 and the length-direction folding mechanism mounting plate 307 via the linear bearing 403. The adjusting screw 406 is used for fine-tuning the position of the entire cell positioning mechanism 4.

[0060] The length positioning block 405 is provided with a contact portion for contacting the terminal end of the battery cell 100. As shown in FIG6, taking the battery cell positioning mechanism 4, which moves with the mounting plate 207 of the folding mechanism in the width direction, as an example, the contact portion on the length positioning block 405 clamps the battery cell 100 from the two terminal ends of the battery cell 100 respectively, and makes the folding mechanism in the width direction approach the terminal end of the battery cell 100.

[0061] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Additionally, in the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the accompanying drawings of this utility model, the filling pattern is only used to distinguish the layers and is not used for any other limitation.

[0062] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A paddle-type battery cell coating folding device, characterized in that, include: The battery cell includes a cell fixing mechanism, a width-direction folding mechanism, and a length-direction folding mechanism; the width-direction folding mechanism and the length-direction folding mechanism are respectively arranged in pairs at the two pole ends of the battery cell, and the cell fixing mechanism is located between the width-direction folding mechanism and the length-direction folding mechanism; the width-direction folding mechanism is provided with a prying mechanism for opening the blue film in the length direction; both the width-direction folding mechanism and the length-direction folding mechanism are provided with a cell positioning mechanism.

2. The paddle-type cell coating folding device according to claim 1, characterized in that, The battery cell fixing mechanism includes a lifting assembly and a clamping assembly. The lifting assembly includes a lifting cylinder, and vertical guide sliding assemblies are respectively provided on both sides of the lifting cylinder. The top of the vertical guide sliding assemblies and the output end of the lifting cylinder are both connected to a lifting platform. The lifting cylinder drives the lifting platform to move up and down in the vertical direction. A support seat is provided on the lifting platform. The clamping assembly includes a clamping cylinder and a cylinder jaw connected to each other. The clamping cylinder is located on the support seat. The clamping cylinder is used to drive the cylinder jaw to clamp or release the battery cell.

3. The paddle-type cell coating folding device according to claim 2, characterized in that, The vertical guide sliding assembly consists of a vertical guide rail mounting plate, a guide rail slider, and a slider connecting plate. The slider connecting plate is slidably connected to the vertical guide rail mounting plate via the guide rail slider.

4. The paddle-type cell coating folding device according to claim 2, characterized in that, The support base includes a clamping cylinder mounting plate, a support column, and a battery cell placement plate; the battery cell placement plate is used to place the battery cells, and the battery cell placement plate is fixed to the clamping cylinder mounting plate by the support column, and the clamping cylinder mounting plate is fixed to the lifting platform.

5. The paddle-type cell coating folding device according to claim 1, characterized in that, The width-direction folding mechanism includes a first pushing component, a width folding drive component, and a push roller; the first pushing component is connected to the width folding drive component, the push roller is connected to the width folding drive component, and the width folding drive component is used to drive the push roller to press and fold the blue film in the width direction of the cell electrode end.

6. The paddle-type cell coating folding device according to claim 5, characterized in that, The first pushing component includes a first telescopic cylinder, a first guide rail assembly, and a width-direction folding mechanism mounting plate. The output end of the first telescopic cylinder is connected to the width-direction folding mechanism mounting plate, and the width-direction folding mechanism mounting plate is slidably connected to the first guide rail. The first telescopic cylinder drives the width-direction folding mechanism mounting plate to move along the first guide rail assembly. The cell positioning mechanism, the width folding drive assembly, and the push roller are all mounted on the width-direction folding mechanism mounting plate.

7. The paddle-type cell coating folding device according to claim 1, characterized in that, The paddle mechanism includes a paddle cylinder, a paddle mounting bracket, a first paddle, and a second paddle. The output end of the paddle cylinder is connected to the paddle mounting bracket. The first paddle and the second paddle are respectively located at both ends of the paddle mounting bracket. The paddle cylinder is used to drive the first paddle and the second paddle through the paddle mounting bracket to lift the blue film along the length direction of the battery cell terminal.

8. The paddle-type cell coating folding device according to claim 1, characterized in that, The length-direction folding mechanism includes: a second pushing component, a length folding drive component, and a push block; the second pushing component is connected to the length folding drive component; the push block is connected to the length folding drive component, and the length folding drive component is used to drive the push block to fold the blue film along the length direction of the cell electrode post.

9. The paddle-type cell coating folding device according to claim 8, characterized in that, The second pushing component includes a second telescopic cylinder, a second guide rail assembly, and a length-direction folding mechanism mounting plate. The output end of the second telescopic cylinder is connected to the length-direction folding mechanism mounting plate, which is slidably connected to the second guide rail. The second telescopic cylinder drives the length-direction folding mechanism mounting plate to move along the second guide rail assembly. The cell positioning mechanism, the length folding drive assembly, and the push block are all mounted on the length-direction folding mechanism mounting plate.

10. The paddle-type cell coating folding device according to claim 1, characterized in that, The cell positioning mechanism clamps the cell from its two terminal ends. The cell length positioning mechanism includes: a mounting limit block, a guide shaft, a linear bearing, a length positioning block mounting block, a length positioning block, and an adjusting screw. The guide shaft passes through the linear bearing, with one end connected to the mounting limit block and the other end connected to the length positioning block mounting block. The linear bearing connects a width-direction folding mechanism and a length-direction folding mechanism. The length positioning block is connected to the length positioning block mounting block and has a contact portion for abutting against the cell terminal ends. The adjusting screw is threadedly connected to the mounting limit block.

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