A winding mechanism for lithium battery separator production

By designing a winding mechanism containing an adjustable limiting plate, the problem that winding in lithium battery separator is not suitable for different widths and difficult to remove the diaphragm in production is solved, and effective winding and convenient removal of diaphragms of different widths are achieved.

CN222699661UActive Publication Date: 2025-04-01SHENZHEN JCY BATTERY CO LTD
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Patent Information

Application Number
CN202421273578.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-04-01
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

During the production process of lithium battery separators, the existing winding mechanism cannot adapt to lithium battery separators of different widths, and the separators are not convenient to be removed after winding.

Method used

A winding mechanism including a frame, a motor, a connector and an adjustable limit plate is designed. Through the cooperation of the hydraulic rod and the slide, the position adjustment of the limit plate is realized, adapting to the coiling of diaphragms of different widths, and easy to remove after winding.

Benefits of technology

The effective limit winding of lithium battery separators of different widths is achieved, and the diaphragm removal process is simplified and the production efficiency is improved.

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Abstract

The utility model discloses a winding mechanism for lithium battery diaphragm production, comprising a frame, a motor and a joint, wherein a motor is installed at one side end of the frame, an output end of the motor is connected to a joint, and a winding assembly is arranged inside the frame, the winding assembly is convenient for limiting the winding and removing of the lithium battery diaphragm, the winding assembly comprises a winding rod and a limiting plate 1, one end of the winding rod is inserted into the joint and connected by bolts, and the limiting plate 1 is installed on the winding rod by bolts, and relates to the technical field of lithium battery diaphragm production: by arranging adjustable limiting plates 1, 2 and 3 on the winding mechanism for lithium battery diaphragm production, by adjusting the positions of limiting plates 2 and 3, the limited winding of lithium battery diaphragms of different widths wound on the winding rod is met, and the limiting plates 2 and 3 can also clamp and support the winding rod and the lithium battery diaphragm to descend, so that the lithium battery diaphragm can be conveniently removed after being wound.
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Description

Technical Field

[0001] The utility model relates to the field of lithium battery diaphragm production, in particular to a winding mechanism used for lithium battery diaphragm production. Background Art

[0002] In the structure of lithium batteries, the diaphragm is one of the key inner components. The diaphragm is responsible for isolating the positive and negative electrodes of the lithium battery to prevent the positive and negative electrodes from contacting and causing a short circuit in the lithium battery. The diaphragm is porous and can allow electrolyte ions to pass through. In the production process of lithium battery diaphragms, it is often necessary to achieve normal production of the diaphragm by winding. A limit plate is set on the winding rod to limit the rewinding of the lithium battery diaphragm to avoid rewinding deviation. However, the position of the limit plate on the winding rod is fixed, which is not suitable for rewinding lithium battery diaphragms of different widths, and it is not convenient to remove the lithium battery diaphragm after rewinding.

[0003] Therefore, it is necessary to invent a winding mechanism for the production of lithium battery diaphragms. Utility Model Content

[0004] The purpose of the utility model is to provide a winding mechanism for producing lithium battery diaphragms to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A winding mechanism for producing lithium battery diaphragms comprises a frame, a motor and a connector. The motor is installed on one side of the frame, the output end of the motor is connected to the connector, and a winding assembly is arranged inside the frame. The winding assembly facilitates the limited winding and removal of the lithium battery diaphragm.

[0007] In a preferred embodiment of the utility model, the winding assembly includes a winding rod and a limiting plate. One end of the winding rod is inserted into the joint and connected by bolts. The limiting plate is installed on the winding rod by bolts.

[0008] In a preferred embodiment of the present invention, a slide groove is provided on the inner wall of the other side end of the frame, and a slide seat 1 and a slide seat 2 are slidably arranged on the inner side of the slide groove.

[0009] In a preferred implementation manner of the utility model, a hydraulic rod three is installed on the slide seat one, and the output end of the hydraulic rod three is connected to the limit plate two.

[0010] In a preferred embodiment of the present utility model, a hydraulic rod four is installed on the slide seat two, and the output end of the hydraulic rod four is connected to the limit plate three.

[0011] In a preferred embodiment of the present invention, a hydraulic rod 1 is installed on the top of the frame, and the output end of the hydraulic rod 1 is connected to the upper end of the slide seat 1.

[0012] In a preferred embodiment of the present invention, a connecting block is further installed on the slide seat 2, a hydraulic rod 2 is installed on the side end of the frame, and the output end of the hydraulic rod 2 is connected to the upper end of the connecting block.

[0013] In a preferred implementation manner of the present invention, a controller is also installed on one side end of the rack.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0015] Beneficial Effects

[0016] By arranging adjustable limit plates 1, 2 and 3 on the winding mechanism for producing lithium battery diaphragms, and adjusting the positions of limit plates 2 and 3, the lithium battery diaphragms of different widths wound on the winding rod can be limited and wound, and limit plates 2 and 3 can also clamp and support the winding rod and the lithium battery diaphragm to descend, so that the lithium battery diaphragm can be easily removed after being wound. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of a winding mechanism used in the production of lithium battery separators;

[0018] Figure 2 A schematic diagram of a winding mechanism for producing lithium battery separators;

[0019] Figure 3 A schematic diagram of the installation of a second limit plate and a third limit plate in a winding mechanism for producing lithium battery separators;

[0020] Figure 4 This is a left view of a winding mechanism used in the production of lithium battery separators.

[0021] In the figure: frame 1, motor 11, joint 12, winding assembly 2, winding rod 21, limit plate 1 22, slide 23, slide seat 1 24, hydraulic rod 1 241, slide seat 25, hydraulic rod 2 251, connecting block 252, hydraulic rod 3 26, limit plate 2 261, hydraulic rod 4 27, limit plate 3 271, controller 28. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] like Figure 1-Figure 4 ,

[0024] It includes a frame 1, a motor 11 and a connector 12. The motor 11 is installed at one side of the frame 1. The output end of the motor 11 is connected to the connector 12. A winding assembly 2 is arranged inside the frame 1. The winding assembly 2 is convenient for limiting the winding and removing of the lithium battery diaphragm.

[0025] The winding assembly 2 includes a winding rod 21 and a limit plate 22. One end of the winding rod 21 is inserted into the joint 12 and connected by bolts. The motor 11 drives the joint 12 to rotate, and the joint 12 drives the winding rod 21 to rotate. The limit plate 22 is installed on the winding rod 21 by bolts. The lithium battery diaphragm wound on the winding rod 21 is limited and wound by the limit plate 22. A slide groove 23 is provided on the inner wall of the other side end of the frame 1. The inner side of the slide groove 23 is used to guide the sliding of the slide seat 1 24 and the slide seat 25. The inner side of the slide groove 23 is respectively slidably arranged with a slide seat 1 24 and a slide seat 25. The slide seat 1 24 is used to support the lifting and lowering adjustment of the hydraulic rod 3 26, and the slide seat 25 is used to support the lifting and lowering adjustment of the hydraulic rod 4 27. The slide seat 2 4 is installed with a hydraulic rod three 26, the hydraulic rod three 26 is used to push the limit plate two 261 to adjust the position, the output end of the hydraulic rod three 26 is connected to the limit plate two 261, and the slide seat two 25 is installed with a hydraulic rod four 27, the hydraulic rod four 27 is used to push the limit plate three 271 to adjust the position, the output end of the hydraulic rod four 27 is connected to the limit plate three 271, the limit plate two 261 and the limit plate three 271 are used together, after the limit plate two 261 and the limit plate three 271 are adjusted in position on the outer side of the winding rod 21, the lithium battery diaphragms of different widths wound on the winding rod 21 can be wound in a limited manner, and at the same time, the limit plate two 261 and the limit plate three 271 clamp and support the winding rod 21, and can drive the winding rod 21 to be removed;

[0026] A hydraulic rod 241 is installed on the top of the frame 1. The hydraulic rod 241 is used to drive the slide 24 to slide and adjust the height position. The output end of the hydraulic rod 241 is connected to the upper end of the slide 24. A connecting block 252 is also installed on the slide 25. A hydraulic rod 251 is installed on the side end of the frame 1. The hydraulic rod 251 is used to drive the slide 25 to slide and adjust the height position. The output end of the hydraulic rod 251 is connected to the upper end of the connecting block 252. A controller 28 is also installed on one side end of the frame 1. The model of the controller 28 is VT-3000BS. The hydraulic rod 241, the hydraulic rod 251, the hydraulic rod 3 26 and the hydraulic rod 4 27 are controlled respectively by the controller 28.

[0027] The working principle of the utility model is as follows: after the limit plate 1 22 is slidably adjusted on the winding rod 21, the bolts are installed to connect and fix it, the hydraulic rod 3 26 pushes the limit plate 2 261 to a suitable position, the hydraulic rod 4 27 pushes the limit plate 3 271 to a suitable position, the hydraulic rod 1 241 pushes the slide 1 24 downward to adjust the height position of the limit plate 2 261, the hydraulic rod 2 251 pulls the slide 25 upward to adjust the height position of the limit plate 3 271, the limit plate 2 261 and the limit plate 3 271 are used together, the limit plate 2 261 and the limit plate 3 271 do not affect the rotation of the winding rod 21, and the winding rod 21 can be wound up by the limit plate 2 261 and the limit plate 3 271 The lithium battery diaphragms of different widths are limited and rolled up. After the lithium battery diaphragm is rolled up, the limit plate 261 continues to move downward, and the limit plate 3 271 moves upward. The limit plate 261 and the limit plate 3 271 cooperate to clamp and support the winding rod 21, and the bolts on the joint 12 are removed. The hydraulic rod 3 26 and the hydraulic rod 4 27 are pulled at the same time, so that the limit plate 261 and the limit plate 3 271 support the winding rod 21 at the same time to pull the right end of the winding rod 21 away from the joint 12, and the hydraulic rod 1 241 continues to push the slide 1 24 downward, and the hydraulic rod 2 251 pushes the slide 2 25 downward to make the winding rod 21 fall, thereby unloading the winding rod 21 after the lithium battery diaphragm is rolled up.

[0028] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A winding mechanism for producing lithium battery separators, comprising a frame (1), a motor (11) and a connector (12), wherein the motor (11) is mounted on one side of the frame (1), and the output end of the motor (11) is connected to the connector (12), characterized in that: A winding assembly (2) is arranged inside the frame (1), and the winding assembly (2) facilitates the limited winding and removal of the lithium battery separator; The winding assembly (2) comprises a winding rod (21) and a limiting plate 1 (22), one end of the winding rod (21) is inserted into a joint (12) and connected by bolts, the limiting plate 1 (22) is installed on the winding rod (21) by bolts, a slide groove (23) is provided on the inner wall of the other side end of the frame (1), a slide seat 1 (24) and a slide seat 2 (25) are slidably arranged on the inner side of the slide groove (23), a hydraulic rod 3 (26) is installed on the slide seat 1 (24), and the output end of the hydraulic rod 3 (26) is connected to the limiting plate 2 (261).

2. A winding mechanism for producing lithium battery separators according to claim 1, characterized in that: A hydraulic rod four (27) is installed on the slide seat two (25), and the output end of the hydraulic rod four (27) is connected to the limit plate three (271).

3. The winding mechanism for producing lithium battery separator according to claim 1, characterized in that: A hydraulic rod 1 (241) is installed on the top of the frame (1), and the output end of the hydraulic rod 1 (241) is connected to the upper end of the slide seat 1 (24).

4. A winding mechanism for producing lithium battery separators according to claim 1, characterized in that: A connecting block (252) is also installed on the second slide seat (25), and a hydraulic rod (251) is installed on the side end of the frame (1), and the output end of the second hydraulic rod (251) is connected to the upper end of the connecting block (252).

5. The winding mechanism for producing lithium battery separator according to claim 1, characterized in that: A controller (28) is also installed on one side end of the frame (1).