Deviation correcting device of lithium battery diaphragm winding machine

By installing a detection camera and adjustment mechanism on the lithium battery separator winding machine, the separator offset can be corrected in real time, solving the problem of separator offset during the winding process and improving the quality and production efficiency of the separator.

CN223813178UActive Publication Date: 2026-01-20JIANGYIN SHUANGHUI PLASTIC PACKAGING CO LTD
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Patent Information

Application Number
CN202520470211.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-20
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing lithium battery separator winding machines lack correction measures, which may cause the separator to shift during transportation, affecting quality.

Method used

A correction device for a lithium battery separator winding machine is designed. A detection camera is used to detect the separator position deviation in real time, and a controller controls the drive motor to drive the adjusting screw. The adjusting roller moves axially along the connecting rod to correct the separator position.

Benefits of technology

It enables real-time deviation correction of the diaphragm during the winding process, ensuring accurate diaphragm positioning and improving diaphragm quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223813178U_ABST
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Abstract

The utility model discloses a lithium battery diaphragm winding machine deviation rectifying device, which relates to the technical field of lithium battery diaphragm manufacturing equipment and comprises two mounting plates which are fixedly connected through two connecting cross beams. Two detection cameras are fixedly embedded in the connecting cross beam located on the upper side, a guide roller assembly is arranged between the two mounting plates, the guide roller assembly is composed of mounting blocks, a connecting rod and a roller body, the two mounting blocks are rotationally connected to the side walls of the two mounting plates correspondingly, and the connecting rod is connected with the roller body. The two sides of the diaphragm are detected in real time through the two detection cameras, when the position of the diaphragm deviates, the controller can control the driving motor to drive the adjusting lead screw to rotate, and therefore the roller body moves in the axial direction of the connecting rod, the diaphragm is driven to rotate, and the diaphragm is driven to rotate. And the roller body is controlled to move in the direction opposite to the deviation direction of the diaphragm, so that the diaphragm can be rectified.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery diaphragm manufacturing equipment technical field, concretely is a kind of lithium battery diaphragm winding machine deviation rectifying device. BACKGROUND

[0002] The preparation method of lithium ion battery diaphragm includes wet method and dry method.Wet method is also called phase separation method or thermal phase separation method, and dry method is also called stretching pore method or melt stretching method.Dry process is the most commonly used method, which is to make sheet-shaped crystalline film from molten polyolefin resin by extrusion and film blowing, and then form porous structure by unidirectional or bidirectional stretching.

[0003] Lithium battery diaphragm needs to be wound by winding machine after production, but the existing winding machine lacks deviation rectifying measures, and the diaphragm may deviate during conveying due to the slight difference between the rollers, which will affect the quality of the diaphragm if not adjusted in time. Therefore, a lithium battery diaphragm winding machine deviation rectifying device is proposed UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of lithium battery diaphragm winding machine deviation rectifying device to solve the problems raised in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of lithium battery diaphragm winding machine deviation rectifying device, including mounting plate, the quantity of the mounting plate is two, two The mounting plate is fixedly connected by two connecting cross beams between the two, two detection cameras are fixedly embedded on the connecting cross beam located on the upper side, a guide roller assembly is arranged between the two mounting plates, the guide roller assembly is composed of mounting block, connecting rod and roller body, two The mounting block is rotatably connected on the side wall of two mounting plates, and connecting rod is fixedly connected between two mounting blocks, roller body is slidably sleeved on the connecting rod, anti-rotation mechanism is arranged between the roller body and the connecting rod, adjusting mechanism acting on the roller body is arranged on the mounting block, and controller acting on the adjusting mechanism is fixedly installed on the outer side of the mounting plate.

[0006] As a further preferred embodiment of the present technical solution, two The connecting cross beams are distributed on the upper and lower sides of the side wall of the mounting plate.

[0007] As a further preferred embodiment of the present technical solution, a through hole is formed in the shaft center of the roller body, which is slidably engaged with the connecting rod.

[0008] As a further preferred embodiment of the present technical solution, the anti-rotation mechanism includes a limiting block, the limiting block is fixedly installed on the inner wall of the through hole, and a limiting groove is formed on the outer wall of the connecting rod.

[0009] As a further preferred of the technical solution, the limiting groove and the limiting block are slidingly fitted.

[0010] As a further preferred of the technical solution, the adjusting mechanism is composed of an adjusting screw and a driving motor, the end of the roller body is provided with a threaded hole penetrating the roller body, the adjusting screw is threadedly matched with the threaded hole, one end of the adjusting screw is rotationally connected to the side wall of the mounting block, the other end of the adjusting screw is provided with the driving motor, the driving motor is fixedly embedded on the outer wall of the mounting block, and the output shaft of the driving motor is fixedly connected with the adjusting screw.

[0011] As a further preferred of the technical solution, the two detection cameras are arranged above the two ends of the roller body.

[0012] The utility model provides a kind of deviation rectifying device of lithium battery diaphragm winding machine, with following beneficial effects:

[0013] The utility model discloses two detection cameras are used to detect the two sides of diaphragm in real time, when diaphragm appears position deviation, controller will control driving motor to drive adjusting screw to rotate, to make roller body move along the axial direction of connecting rod, control roller body moves to the opposite direction of diaphragm deviation, i.e. DRAWINGS

[0014] Figure 1 It is the schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is the schematic diagram of another view of the overall structure of the utility model;

[0016] Figure 3 It is the schematic diagram of the structure of the roller body in the utility model Figure 1 Structure schematic diagram of A in the utility model;

[0017] Figure 4 It is the schematic diagram of the structure of the roller body in the utility model;

[0018] In the drawing: 1, mounting plate;2, connecting crossbeam;3, roller body;4, detection camera;5, controller;6, mounting block;7, connecting rod;8, adjusting screw;9, limiting groove;10, limiting block;11, driving motor;12, through hole;13, threaded hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0020] The utility model provides technical scheme: as Figures 1 to 4As shown, in this embodiment, a lithium battery separator winding machine deviation correcting device, comprising two mounting plates 1, the two mounting plates 1 are fixedly connected by two connecting beams 2, the two connecting beams 2 are distributed on the upper and lower sides of the side walls of the two mounting plates 1, two detection cameras 4 are fixedly embedded on the upper connecting beam 2, a guide roller assembly is arranged between the two mounting plates 1, the guide roller assembly is composed of a mounting block 6, a connecting rod 7 and a roller body 3, the two mounting blocks 6 are rotatably connected to the side walls of the two mounting plates 1, the connecting rod 7 is fixedly connected between the two mounting blocks 6, the roller body 3 is slidably sleeved on the connecting rod 7, a through hole 12 that slidably matches the connecting rod 7 is formed in the axis of the roller body 3, an anti-rotation mechanism is arranged between the roller body 3 and the connecting rod 7, an adjusting mechanism that acts on the roller body 3 is arranged on the mounting block 6, and a controller 5 that acts on the adjusting mechanism is fixedly installed on the outside of the mounting plate 1.

[0021] The anti-rotation mechanism comprises a limiting block 10, the limiting block 10 is fixedly installed on the inner wall of the through hole 12, and a limiting groove 9 is formed in the outer wall of the connecting rod 7 and slidably matches the limiting block 10.

[0022] The limiting block 10 and the limiting groove 9 can ensure that the roller body 3 does not rotate relative to the connecting rod 7.

[0023] The adjusting mechanism is composed of an adjusting screw 8 and a driving motor 11, a threaded hole 13 that penetrates the roller body 3 is formed in the end of the roller body 3, the adjusting screw 8 is threadedly matched with the threaded hole 13, one end of the adjusting screw 8 is rotatably connected to the side wall of the mounting block 6, the other end of the adjusting screw 8 is provided with the driving motor 11, the driving motor 11 is fixedly embedded on the outer wall of the mounting block 6, and the output shaft of the driving motor 11 is fixedly connected with the adjusting screw 8.

[0024] In use, the driving motor 11 drives the adjusting screw 8 to rotate, thereby driving the roller body 3 to move along the axial direction of the connecting rod 7.

[0025] The two detection cameras 4 are distributed above the two ends of the roller body 3.

[0026] In this way, the two detection cameras 4 can detect the two sides of the separator in real time.

[0027] The utility model provides a kind of lithium battery separator winding machine deviation correcting device, specific working principle as follows:

[0028] In use, the device is fixed to the frame of the winding machine, the roller body 3 can guide the diaphragm, the two detection cameras 4 can detect the two sides of the diaphragm in real time, when the diaphragm appears position deviation, the detection camera 4 will transmit the signal to the controller 5, the controller 5 will send the signal to the driving motor 11, the output shaft of the driving motor 11 rotates, the driving motor 11 drives the adjusting screw 8 to rotate, the roller body 3 does not rotate relative to the connecting rod 7, when the adjusting screw 8 rotates, the roller body 3 moves along the axial direction of the connecting rod 7, the control roller body 3 moves to the opposite direction of the diaphragm deviation, that is, the diaphragm returns to the normal position, when the diaphragm returns to the normal position, the detection camera 4 will send the signal to the controller 5 again, the controller 5 controls the driving motor 11 to stop working, so as to complete the diaphragm deviation correction work.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A deviation rectifying device for a lithium battery separator winding machine comprising a mounting plate (1), characterized in that: The number of mounting plates (1) is two, two mounting plates (1) are fixedly connected through two connecting beams (2), two detection cameras (4) are fixedly embedded on the upper connecting beam (2), a guide roller assembly is arranged between the two mounting plates (1), the guide roller assembly is composed of a mounting block (6), a connecting rod (7) and a roller body (3), the two mounting blocks (6) are rotatably connected to the side walls of the two mounting plates (1) respectively, the connecting rod (7) is fixedly connected between the two mounting blocks (6), the roller body (3) is slidably sleeved on the connecting rod (7), an anti-rotation mechanism is arranged between the roller body (3) and the connecting rod (7), an adjusting mechanism acting on the roller body (3) is arranged on the mounting block (6), and a controller (5) acting on the adjusting mechanism is fixedly installed on the outer side of the mounting plate (1).

2. A deviation rectifying device for a lithium battery separator winding machine according to claim 1, characterized in that: The two connecting beams (2) are distributed on the upper and lower sides of the side walls of the mounting plate (1).

3. The deviation rectifying device of a lithium battery separator winding machine according to claim 1, characterized in that: A through hole (12) slidingly fitted with the connecting rod (7) is formed at the axis of the roller body (3).

4. A lithium battery separator winder deviation correction device according to claim 3, characterized in that: The anti-rotation mechanism comprises a limiting block (10), the limiting block (10) is fixedly installed on the inner wall of the through hole (12), and a limiting groove (9) is formed on the outer wall of the connecting rod (7).

5. A lithium battery separator winder deviation correction device as defined in claim 4, wherein: The limiting groove (9) and the limiting block (10) are slidingly fitted.

6. A lithium battery separator winder deviation correction device as defined in claim 1, wherein: The adjusting mechanism is composed of an adjusting screw (8) and a driving motor (11), an end of the roller body (3) is provided with a threaded hole (13) penetrating through the roller body (3), the adjusting screw (8) is threadedly connected with the threaded hole (13), one end of the adjusting screw (8) is rotatably connected to the side wall of the mounting block (6), the other end of the adjusting screw (8) is provided with the driving motor (11), the driving motor (11) is fixedly embedded on the outer wall of the mounting block (6), and the output shaft of the driving motor (11) is fixedly connected with the adjusting screw (8).

7. The lithium battery separator winder deviation correction device of claim 1, wherein: The two detection cameras (4) are distributed above the two ends of the roller body (3).