Lithium ion battery pole piece winding machine

Abstract

The utility model relates to the technical field of winding machines, and discloses a lithium ion battery pole piece winding machine which comprises a main body, the output end of a motor is fixedly connected with a rotating shaft, the inner wall of the rotating shaft is fixedly connected with a driving shaft, the top of the main body is fixedly connected with a winding mechanism, and the winding mechanism is fixedly connected with a motor. According to the lithium ion battery pole piece winding machine, in order to reduce manual operation, a stop block is moved to a proper position by twisting a large screw, the height of a lifting plate is adjusted by twisting a small screw, a pole piece passes through a notch between the lifting plates, and the pole piece is attached to the outer wall of a sleeve; the sleeve rotates to wind the pole piece, the small spring enables the pressing plate to extrude the pole piece to be tightly wound, the pole piece is wound to extrude the elastic plate to be bent, the limiting block is far away from the check block, the large spring ejects the lifting plate through elastic force to enable the sleeve to move upwards, and therefore the pole piece can be automatically lifted after being wound, and production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of winding machines, in particular to a lithium-ion battery pole piece winding machine. Background Art

[0002] Lithium battery pole sheet winders are a key piece of equipment in lithium battery production. Their primary function is to precisely wind the positive and negative pole sheets and separators according to a specific sequence and process requirements, thus forming the lithium battery cell. The winder's operating accuracy and efficiency directly impact the performance and quality of lithium batteries. They typically feature a high-precision control system that ensures uniform conveying, precise alignment, and tight winding of the pole sheets and separators. Advanced winders also feature automated detection and adjustment capabilities, promptly detecting and correcting deviations during the winding process to ensure that each battery cell meets stringent quality standards. In large-scale lithium battery production, high-performance pole sheet winders play an irreplaceable role in improving production efficiency, reducing costs, and ensuring product consistency.

[0003] According to a battery electrode winding machine for battery production disclosed (publication number: CN215600399U), the first roller group and the second roller group in the above application drive the battery electrode to move to the left, the heating machine heats and softens the battery electrode, and the mobile pressing sheet presses the battery electrode tightly against the side of the winding rod. The third drive motor drives the winding platform to rotate, and the winding platform drives the winding rod to rotate. The softened battery electrode is wound on the winding rod. After the winding is completed and the battery electrode is fixed with a strap, the hot cutting knife on the hot cutting machine cuts the battery electrode, and the staff removes the wound battery electrode, thereby completing the winding of the battery electrode and performing unified control through the controller, so that one person can realize one machine production, greatly improving production efficiency.

[0004] The aforementioned winding platform rotates the winding rod, which winds the softened battery electrode sheet onto it. After winding is completed and secured with a strap, the worker removes the wound battery electrode sheet. This improves efficiency to a certain extent, but the winding device cannot be adjusted to accommodate various types of electrode sheets, and the manual operation steps of raising and lowering the sleeve are still relatively cumbersome. Therefore, a lithium-ion battery electrode sheet winding machine is proposed. Utility Model Content

[0005] The purpose of the present invention is to provide a lithium-ion battery pole piece winding machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a lithium-ion battery pole piece winding machine, comprising a main body, a motor fixedly mounted on the bottom of the main body, an output end of the motor fixedly connected to a rotating shaft, an inner wall of the rotating shaft fixedly connected to a driving shaft, a top of the main body fixedly connected to a winding mechanism, through the setting of the winding mechanism, the pole piece can be automatically ejected after the winding thickness is completed, the outer wall of the winding mechanism is fixedly connected to a cleaning mechanism, through the setting of the cleaning mechanism, the outer surface of the pole piece can be cleaned before winding, the winding mechanism comprising:

[0007] A support platform, the support platform is fixedly connected to the outer surface of the main body;

[0008] A protective cover, the protective cover being fixedly connected to the top of the support platform;

[0009] A large spring, wherein the large spring is slidably connected to the outer wall of the driving shaft;

[0010] A lifting plate is fixedly connected to the outer wall of the large spring.

[0011] Preferably, the outer wall of the lifting plate is fixedly connected to a spring plate, the outer wall of the spring plate is fixedly connected to a limiting block, the outer wall of the limiting block is slidably connected to a stop block, and by moving the limiting block away from the stop block, the large spring force can lift the lifting plate to move upward, the inner wall of the stop block is threadedly connected to a large screw, and the outer wall of the stop block is fixedly connected to a guide column.

[0012] Preferably, the guide column is slidably connected to the outer wall of the protective cover, the outer wall of the large screw is threadedly connected to a block, the block is fixedly connected to the outer wall of the protective cover, and the guide column is slidably connected to the outer wall of the block. By twisting the large screw, the distance from the block to the pole piece can be adjusted.

[0013] Preferably, the outer wall of the lifting plate is fitted with a sleeve, the outer wall of the sleeve is fitted with a pressure plate, the outer wall of the pressure plate is fixedly connected to a small spring, the small spring is fixedly connected to the inner wall of the support platform, and the pressure plate is squeezed by the small spring, so that the pole piece can be evenly and tightly fitted to the outer surface of the sleeve, the outer wall of the protective cover is slidably connected to the lifting plate, and the inner wall of the lifting plate is threadedly connected with a small screw, and by twisting the small screw, the pole piece can be adjusted to the specified winding height through the lifting plate.

[0014] Preferably, the outer wall of the support platform is fixedly connected to a low platform, the outer wall of the driving shaft is fixedly connected to a pulley, and two groups of pulleys are provided. The outer walls of the two groups of pulleys are transmission-connected with belts, and the inner wall of the pulley is fixedly connected to a reciprocating screw rod, and the outer surface of the reciprocating screw rod is threadedly connected to a moving block. The two groups of pulleys are driven to rotate by the belt, so that the moving block can move up and down on the reciprocating screw rod, and the top of the reciprocating screw rod is rotatably connected to a fixed block.

[0015] Preferably, the top of the fixed block is fixedly connected to a guide rod, the guide rod passes through and is slidably connected to the inner wall of the movable block, the inner wall of the movable block is rotatably connected to a threaded rod, the outer surface of the threaded rod is threadedly connected to a brush, and the outer wall of the threaded rod is fixedly connected to a turning handle, and the spacing between the two groups of brushes on the threaded rod can be adjusted by turning the turning handle.

[0016] Compared with the prior art, the present invention provides a lithium-ion battery pole piece winding machine with the following beneficial effects:

[0017] 1. In order to minimize manual operation during winding, the lithium-ion battery pole piece winding machine moves the block to the appropriate position by twisting the large screw, and adjusts the height of the lifting plate by twisting the small screw. The pole piece is passed through the notch between the lifting plates so that the pole piece is attached to the outer wall of the sleeve. The motor is started to drive the sleeve to rotate to wind the pole piece. The small spring rebound force causes the pressure plate to squeeze the pole piece and wind it tightly. The pole piece bends around the thick extrusion spring plate. The limit block moves away from the block. The large spring elastic force lifts the lifting plate, causing the sleeve to be squeezed and moved upward. Therefore, the pole piece can be automatically lifted after winding is completed, greatly improving production efficiency.

[0018] 2. In order to avoid the difficulty in cleaning the pole pieces during the winding process, the lithium-ion battery pole piece winding machine drives the threaded rod to rotate by twisting the handle, and the two sets of brushes are close to each other to a suitable distance so that the pole pieces can fit between the brushes. The driving shaft drives the two sets of pulleys to rotate through the belt, and the reciprocating screw on the inner wall of the low platform drives the moving block. The moving block moves through the guide rod on the fixed block, so that the brush cleans the outer surface of the pole piece when it moves up and down, making cleaning very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the winding mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the cleaning mechanism structure of the utility model.

[0023] In the figure: 1. Main body; 2. Motor; 3. Rotating shaft; 4. Driving shaft; 5. Winding mechanism; 51. Support platform; 52. Protective cover; 53. Large spring; 54. Lifting plate; 55. Spring plate; 56. Limit block; 57. Stop block; 58. Large screw; 59. Guide column; 510. Block; 511. Sleeve; 512. Pressing plate; 513. Small spring; 514. Lifting plate; 515. Small screw; 6. Cleaning mechanism; 61. Low platform; 62. Pulley; 63. Belt; 64. Reciprocating screw; 65. Moving block; 66. Fixed block; 67. Guide rod; 68. Threaded rod; 69. Brush; 610. Turning handle. DETAILED DESCRIPTION

[0024] like Figures 1-4 As shown, the utility model provides a technical solution: a lithium-ion battery pole piece winding machine, including a main body 1, a motor 2 is fixedly installed on the bottom of the main body 1, the output end of the motor 2 is fixedly connected to a rotating shaft 3, the inner wall of the rotating shaft 3 is fixedly connected to a driving shaft 4, and the top of the main body 1 is fixedly connected to a winding mechanism 5. Through the setting of the winding mechanism 5, the winding thickness can be automatically ejected after completion. The outer wall of the winding mechanism 5 is fixedly connected to a cleaning mechanism 6. Through the setting of the cleaning mechanism 6, the outer surface of the pole piece can be cleaned before winding.

[0025] The lifting plate 54 is fixedly connected to the outer wall of the main body 1, the protective cover 52 is fixedly connected to the top of the support platform 51, the large spring 53 is slidably connected to the outer wall of the active shaft 4, the lifting plate 54 is fixedly connected to the outer wall of the large spring 53, the outer wall of the lifting plate 54 is fixedly connected to the outer wall of the large spring 53, the outer wall of the lifting plate 54 is fixedly connected to the elastic plate 55, the outer wall of the elastic plate 55 is fixedly connected to the limiting block 56, the outer wall of the limiting block 56 is slidably connected to the stopper 57, and the limiting block 56 is moved away from the stopper 57, so that the elastic force of the large spring 53 can lift the lifting plate 54 to move upward, the inner wall of the stopper 57 is threadedly connected to the large screw 58, and the outer wall of the stopper 57 is fixedly connected to the guide column 5 9. The guide column 59 passes through and is slidably connected to the outer wall of the protective cover 52. The outer wall of the large screw 58 passes through and is threadedly connected with a block 510. The block 510 is fixedly connected to the outer wall of the protective cover 52. The guide column 59 passes through and is slidably connected to the outer wall of the block 510. By twisting the large screw 58, the distance from the block 510 to the pole piece can be adjusted. The outer wall of the lifting plate 54 is fitted with a sleeve 511. The outer wall of the sleeve 511 is fitted with a pressure plate 512. The outer wall of the pressure plate 512 is fixedly connected with a small spring 513. The small spring 513 is fixedly connected to the inner wall of the support platform 51. By squeezing the pressure plate 512 by the small spring 513, the pole piece can be evenly and tightly fitted to the outer surface of the sleeve 511. The outer wall of the protective cover 52 is slidably connected with a lifting plate 514. The inner wall of the lifting plate 514 is threadedly connected with a small screw 515. By twisting the small screw 515, the pole piece can be adjusted to a specified winding height through the lifting plate 514.

[0026] Specifically, the cleaning mechanism 6 includes a low platform 61, a pulley 62, a belt 63, a reciprocating screw 64, a moving block 65, a fixed block 66, a guide rod 67, a threaded rod 68, a brush 69, and a turning handle 610; the outer wall of the support platform 51 is fixedly connected to the low platform 61, the outer wall of the driving shaft 4 is fixedly connected to the pulley 62, the pulley 62 is provided with two groups, the outer walls of the two groups of pulleys 62 are connected to the belt 63, the inner wall of the pulley 62 is fixedly connected to the reciprocating screw 64, the outer surface of the reciprocating screw 64 is threadedly connected to the moving block 65, and the belt 63 is used to rotate the reciprocating screw 64. Driving the two sets of pulleys 62 to rotate, the moving block 65 can move up and down on the reciprocating screw 64. The top of the reciprocating screw 64 is rotatably connected to the fixed block 66, and the top of the fixed block 66 is fixedly connected to the guide rod 67. The guide rod 67 passes through and is slidably connected to the inner wall of the moving block 65. The inner wall of the moving block 65 is rotatably connected to the threaded rod 68. The outer surface of the threaded rod 68 is threadedly connected to a brush 69. The outer wall of the threaded rod 68 is fixedly connected to a turning handle 610. By rotating the turning handle 610, the distance between the two sets of brushes 69 on the threaded rod 68 can be adjusted.

[0027] Working principle: When it is necessary to wind the lithium-ion battery electrode, the sleeve 511 is sleeved on the outer wall of the driving shaft 4, and the large screw 58 on the outer wall of the protective cover 52 is twisted to penetrate the block 510 for threaded fixing, so that the stopper 57 moves to the appropriate position through the guide column 59, and the small screw 515 is twisted to adjust the height of the lifting plate 514, and the electrode passes through the slot between the lifting plates 514 so that one end of the electrode is attached to the outer wall of the sleeve 511, and the motor 2 shaft 3 is started to rotate. The driving shaft 4 drives the sleeve 511 to rotate to wind the electrode, and the rebound force of the small spring 513 fixed on the inner wall of the support platform 51 causes the pressure plate 512 to squeeze the electrode and wind it tightly. The electrode is bent around the thick extrusion spring plate 55, and the limit block 56 is away from the stopper 57. The large spring 53 elastic force lifts the lifting plate 54, so that the sleeve 511 is squeezed and moved upward by the lifting plate 54, so that the electrode can be automatically lifted after winding is completed, greatly improving the production efficiency.

[0028] When preparing to wind the pole piece, twist the handle 610 to drive the threaded rod 68 to rotate, and the two sets of brushes 69 are close to each other to a suitable distance so that the pole piece can fit between the brushes 69. The active shaft 4 drives the two sets of pulleys 62 to rotate through the belt 63, and the reciprocating screw 64 on the inner wall of the low platform 61 drives the moving block 65. The moving block 65 is moved by the guide rod 67 on the fixed block 66, so that the brush 69 cleans the outer surface of the pole piece when moving up and down, making cleaning very convenient.

[0029] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A lithium-ion battery pole piece winding machine, comprising a main body (1), characterized in that: A motor (2) is fixedly mounted on the bottom of the main body (1), a rotating shaft (3) is fixedly connected to the output end of the motor (2), a driving shaft (4) is fixedly connected to the inner wall of the rotating shaft (3), a reeling mechanism (5) is fixedly connected to the top of the main body (1), a cleaning mechanism (6) is fixedly connected to the outer wall of the reeling mechanism (5), and the reeling mechanism (5) comprises: A support platform (51), wherein the support platform (51) is fixedly connected to the outer surface of the main body (1); A protective cover (52), wherein the protective cover (52) is fixedly connected to the top of the support platform (51); A large spring (53), wherein the large spring (53) is slidably connected to the outer wall of the driving shaft (4); A lifting plate (54) is fixedly connected to the outer wall of the large spring (53).

2. The lithium-ion battery pole piece winding machine according to claim 1, characterized in that: The outer wall of the lifting plate (54) is fixedly connected to a spring plate (55), the outer wall of the spring plate (55) is fixedly connected to a limit block (56), the outer wall of the limit block (56) is slidably connected to a stop block (57), the inner wall of the stop block (57) is threadedly connected to a large screw (58), and the outer wall of the stop block (57) is fixedly connected to a guide column (59).

3. The lithium-ion battery pole piece winding machine according to claim 2, characterized in that: The guide column (59) is connected to the outer wall of the protective cover (52) by sliding, the outer wall of the large screw (58) is connected to a clamping block (510) by threading, the clamping block (510) is fixedly connected to the outer wall of the protective cover (52), and the guide column (59) is connected to the outer wall of the clamping block (510) by sliding.

4. The lithium-ion battery pole piece winding machine according to claim 3, characterized in that: The outer wall of the lifting plate (54) is fitted with a sleeve (511), the outer wall of the sleeve (511) is fitted with a pressure plate (512), the outer wall of the pressure plate (512) is fixedly connected with a small spring (513), the small spring (513) is fixedly connected to the inner wall of the support platform (51), the outer wall of the protective cover (52) is slidably connected with a lifting plate (514), and the inner wall of the lifting plate (514) is threadedly connected with a small screw (515).

5. The lithium-ion battery pole piece winding machine according to claim 1, characterized in that: The cleaning mechanism (6) comprises a low platform (61), the outer wall of the support platform (51) is fixedly connected to the low platform (61), the outer wall of the driving shaft (4) is fixedly connected to a pulley (62), two groups of pulleys (62) are provided, the outer walls of the two groups of pulleys (62) are transmission-connected with belts (63), the inner wall of the pulley (62) is fixedly connected to a reciprocating screw (64), the outer surface of the reciprocating screw (64) is threadedly connected to a moving block (65), and the top of the reciprocating screw (64) is rotatably connected to a fixed block (66).

6. The lithium-ion battery pole piece winding machine according to claim 5, characterized in that: The top of the fixed block (66) is fixedly connected to a guide rod (67), the guide rod (67) penetrates and is slidably connected to the inner wall of the movable block (65), the inner wall of the movable block (65) is rotatably connected to a threaded rod (68), the outer surface of the threaded rod (68) is threadedly connected to a brush (69), and the outer wall of the threaded rod (68) is fixedly connected to a turning handle (610).

Images