New energy battery thin film roll-dividing device

By designing a new energy battery thin film coiling device with support mechanism, rotation mechanism and transmission mechanism, the problem of slow coiling speed in the prior art is solved, and continuous coiling and efficient coiling of films are achieved.

CN223267985UActive Publication Date: 2025-08-26DALIAN RICHUAN PRECISE MOLD PROD
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Patent Information

Application Number
CN202422180754.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-08-26
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The existing lithium battery thin film coiling device needs to be shut down after replacing the coiling roller, resulting in slow winding speed and continuous coiling cannot be achieved.

Method used

A new energy battery film coiling device including a support mechanism, a rotation mechanism and a transmission mechanism is designed. The continuous winding of the film is realized by automatically adhering to the end of the film and alternately rotating the film.

Benefits of technology

The continuity and speed of the rolling work is improved, and the continuity of the rolling film is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of battery thin film roll dividing, and discloses a new energy battery thin film roll dividing device which comprises a supporting mechanism used for bearing a whole, cutting off a thin film and brushing an adhesive, and further comprises an alternating mechanism arranged on one side of the middle of the supporting mechanism and used for continuously rolling the thin film in a rotating and alternating mode. The supporting mechanism comprises a supporting frame, a supporting rod is arranged on one side of the top of the supporting frame, a liquid storage groove is formed in the top of the supporting rod, a brush plate is arranged at the bottom of the supporting rod, and a linear guide rail is arranged on one side of the bottom of the middle of the supporting frame. According to the new energy battery thin film roll-dividing device, roll-dividing work continuity is improved through the arrangement that the end of a thin film is automatically adhered to conduct rolling, the thin film roll-dividing speed is increased through the arrangement that the thin film is continuously rolled in a rotating alternate mode, and the thin film roll-dividing efficiency is improved through the arrangement that automatic adhesion rolling is matched with continuous alternate mode. And the continuity of the roll-dividing film is ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of battery film rolling, in particular to a new energy battery film rolling device. Background Art

[0002] Diaphragms are a crucial component of lithium-ion batteries. They are microporous membranes used to separate the positive and negative electrodes. Before use, a separator must be used to separate large rolls of separator material into smaller rolls.

[0003] In contrast, the Chinese patent with announcement number CN116281356A discloses a lithium battery film winding device, which includes a unwinding roller, a film passing assembly, a winding assembly and a cutting assembly; the unwinding roller is equipped with a film roll; the film passing assembly has several film passing rollers to tension the film between the unwinding roller and the winding assembly; the winding assembly includes several winding rollers and a rotating drive member, and the several winding rollers are arranged at intervals and are in the same straight line, and the winding roller is provided with a film passing channel that passes through its outer circumference.

[0004] However, after the film is rolled up and the winding roller is replaced, the above patent needs to guide the film into the film passage of the winding roller again for winding. This process requires shutdown operation, and it still cannot achieve continuous film splitting well. The splitting speed is slow, so a new device needs to be designed. Utility Model Content

[0005] The purpose of the present invention is to provide a new energy battery film rolling device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A new energy battery film rolling device includes a support mechanism for supporting the whole, cutting the film and applying adhesive, and also includes a rotation mechanism arranged on one side of the middle of the support mechanism for rotating and alternating continuous film winding. A transmission mechanism for rotating and conveying the battery film is arranged on one side of the rotation mechanism.

[0008] The rotation mechanism includes two symmetrically arranged rotating disks, two sliding seats are symmetrically arranged inside the rotating disks, a spring is arranged between the sliding seats, two winding rollers are symmetrically arranged between the two rotating disks, and a first motor is arranged on one side of one of the rotating disks;

[0009] The transmission mechanism includes a second motor, an unwinding roller is installed at the output end of the second motor, a tensioning roller is provided on the side below the unwinding roller, an extrusion roller is provided on the side above the tensioning roller, and a third motor is provided on one side of the extrusion roller.

[0010] Furthermore: the support mechanism includes a support frame, a support rod is provided on one side of the top of the support frame, a liquid storage tank is provided on the top of the support rod, a brush plate is provided at the bottom of the support rod, a linear guide rail is provided on one side of the middle bottom of the support frame, a linear motor is installed on the linear guide rail, and a cutting knife is installed on the linear motor.

[0011] Furthermore: the linear guide rail is connected to the support frame with bolts, the support rod is connected to the support frame with bolts, and the support rod is made of 45 steel.

[0012] Furthermore, the rotating disk is connected to the supporting mechanism bearing, the sliding seat is slidably connected to the rotating disk, the sliding seat is connected to the spring bolt, and the winding roller is connected to the sliding seat bearing.

[0013] Furthermore: the brush plate is arranged directly above the rotating disk, the winding roller is arranged adjacent to the squeezing roller, and the cutter is arranged on one side below the support frame, below between the squeezing roller and the winding roller.

[0014] Furthermore, the unwinding roller, the tensioning roller and the squeezing roller are respectively connected to the support frame bearings, and the second motor and the third motor are respectively connected to the support frame bolts.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The setting of automatically adhering the end of the film for winding improves the continuity of the winding work;

[0017] 2. The setting of rotating and continuously winding the film is used to speed up the film separation speed;

[0018] 3. The continuity of the film rolls is ensured by the automatic adhesion and winding combined with the continuous rotation and alternation setting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of a new energy battery film winding device described in the utility model;

[0020] Figure 2 This is a cross-sectional view of a new energy battery film winding device described in the utility model;

[0021] Figure 3 This is an axonometric diagram of the support mechanism of a new energy battery film winding device described in the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the rotation mechanism of a new energy battery film winding device described in the utility model;

[0023] Figure 5 It is a schematic structural diagram of the transmission mechanism of a new energy battery film winding device described in the present invention.

[0024] In the accompanying drawings: 101, support frame; 102, support rod; 103, liquid storage tank; 104, brush plate; 105, linear guide rail; 106, linear motor; 107, cutter; 201, rotating disk; 202, sliding seat; 203, spring; 204, winding roller; 205, first motor; 301, second motor; 302, unwinding roller; 303, tensioning roller; 304, squeezing roller; 305, third motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only 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 making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 5 A new energy battery film rolling device includes a support mechanism for supporting the whole, cutting the film and applying adhesive, and also includes a rotation mechanism arranged on the middle side of the support mechanism for rotating and alternating continuous film winding, and a transmission mechanism for rotating and transporting the battery film is arranged on one side of the rotation mechanism.

[0027] In this embodiment, the support mechanism includes a support frame 101, a support rod 102 is provided on the top side of the support frame 101, a liquid storage tank 103 is provided on the top of the support rod 102, a brush plate 104 is provided at the bottom of the support rod 102, a linear guide rail 105 is provided on the bottom side of the middle of the support frame 101, a linear motor 106 is installed on the linear guide rail 105, a cutter 107 is installed on the linear motor 106, the linear guide rail 105 is bolted to the support frame 101, and the support rod 102 is connected to the support frame 101. 01 bolt connection, the support rod 102 is made of 45 steel, the brush plate 104 is set just above the rotating disk 201, and the cutter 107 is set on the side below the support frame 101, located below between the squeezing roller 304 and the winding roller 204. Adhesive is added to the liquid reservoir 103, and the support frame 101 supports the whole. The support rod 102 supports the brush plate 104 to apply adhesive to the surface of the winding roller 204. The linear guide 105 supports the linear motor 106 to move and drive the cutter 107 to cut the battery film;

[0028] In this embodiment: the rotation mechanism includes two symmetrically arranged rotating disks 201, two sliding seats 202 are symmetrically arranged inside the rotating disk 201, a spring 203 is arranged between the sliding seats 202, two winding rollers 204 are symmetrically arranged between the two rotating disks 201, a first motor 205 is provided on one side of one of the rotating disks 201, the rotating disk 201 is connected to the supporting mechanism bearing, the sliding seat 202 is slidably connected to the rotating disk 201, the sliding seat 202 is bolted to the spring 203, the winding roller 204 is connected to the sliding seat 202 bearing, the elastic force of the spring 203 pushes the sliding seat 202 to support the winding roller 204 to fit tightly with the squeezing roller 304, the first motor 205 rotates to drive the rotating disk 201 to rotate, and the rotating disk 201 drives the winding roller 204 to rotate;

[0029] In this embodiment: the transmission mechanism includes a second motor 301, a unwinding roller 302 is installed at the output end of the second motor 301, a tensioning roller 303 is provided on the side below the unwinding roller 302, a squeezing roller 304 is provided on the side above the tensioning roller 303, a third motor 305 is provided on one side of the squeezing roller 304, the winding roller 204 is arranged adjacent to the squeezing roller 304, the unwinding roller 302, the tensioning roller 303 and the squeezing roller 304 are respectively connected to the bearings of the support frame 101, the second motor 301 and the third motor 305 are respectively bolted to the support frame 101, the rotation of the second motor 301 drives the unwinding roller 302 to rotate, and the rotation of the third motor 305 drives the squeezing roller 304 to rotate.

[0030] Working principle: Add adhesive to the liquid storage tank 103, the support frame 101 supports the second motor 301 to rotate and drive the unwinding roller 302 to rotate, the battery film walks out from the top of the unwinding roller 302, passes through the bottom of the tensioning roller 303 and reaches the top of the squeezing roller 304, the first motor 205 rotates to drive the rotating disk 201 to rotate, the rotating disk 201 drives the winding roller 204 to rotate, and when passing the brush plate 104, the support rod 102 supports the brush plate 104 to apply adhesive to the surface of the winding roller 204, when the winding roller 204 and the squeezing roller 304 are at the same horizontal position, the first motor 205 stops, and the elastic force of the spring 203 pushes the sliding seat 202 to support the winding roller 204 and the squeezing roller 304 to fit tightly, and the third The motor 305 rotates to drive the squeezing roller 304 to rotate, and the winding roller 204 tightly fitted with the squeezing roller 304 rotates accordingly and uses the adhesive on its surface to stick the battery film to the surface for winding. When one winding roller 204 is wound, the above steps are repeated to replace another winding roller 204 to fit the squeezing roller 304. The second motor 301 and the third motor 305 stop rotating. After the linear guide 105 supports the linear motor 106 to move and drive the cutter 107 to cut the battery film, the second motor 301 and the third motor 305 continue to rotate. When one winding roller 204 is winding the film, it can be removed and replaced with another winding roller 204 that has finished winding. The above steps are repeated to achieve continuous winding of the battery film.

[0031] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy battery film roll-splitting device, comprising a support mechanism for supporting the entire device, cutting the film, and applying adhesive, characterized in that: It also includes a rotation mechanism for rotating and alternately continuously winding the film, which is provided on one side of the middle of the support mechanism. A transmission mechanism for rotating and conveying the battery film is provided on one side of the rotation mechanism. The rotation mechanism comprises two symmetrically arranged rotating disks (201), two sliding seats (202) are symmetrically arranged inside the rotating disks (201), a spring (203) is arranged between the sliding seats (202), two winding rollers (204) are symmetrically arranged between the two rotating disks (201), and a first motor (205) is arranged on one side of one of the rotating disks (201); The transmission mechanism comprises a second motor (301), an unwinding roller (302) is installed at the output end of the second motor (301), a tensioning roller (303) is provided on one side below the unwinding roller (302), a squeezing roller (304) is provided on one side above the tensioning roller (303), and a third motor (305) is provided on one side of the squeezing roller (304).

2. The new energy battery film roll-splitting device according to claim 1, characterized in that: The support mechanism comprises a support frame (101), a support rod (102) is provided on one side of the top of the support frame (101), a liquid storage tank (103) is provided on the top of the support rod (102), a brush plate (104) is provided on the bottom of the support rod (102), a linear guide rail (105) is provided on one side of the middle bottom of the support frame (101), a linear motor (106) is installed on the linear guide rail (105), and a cutting knife (107) is installed on the linear motor (106).

3. The new energy battery film roll-splitting device according to claim 2, characterized in that: The linear guide rail (105) is bolted to the support frame (101), and the support rod (102) is bolted to the support frame (101), and the support rod (102) is made of 45 steel.

4. The new energy battery film roll-splitting device according to claim 1, characterized in that: The rotating disk (201) is connected to the supporting mechanism bearing, the sliding seat (202) is slidably connected to the rotating disk (201), the sliding seat (202) is bolted to the spring (203), and the winding roller (204) is connected to the sliding seat (202) bearing.

5. The new energy battery film roll-splitting device according to claim 2, characterized in that: The brush plate (104) is arranged directly above the rotating disk (201), the winding roller (204) is arranged adjacent to the squeezing roller (304), and the cutting knife (107) is arranged on one side below the support frame (101), below between the squeezing roller (304) and the winding roller (204).

6. The new energy battery film roll-splitting device according to claim 2, characterized in that: The unwinding roller (302), the tensioning roller (303) and the squeezing roller (304) are respectively connected to the support frame (101) by bearings, and the second motor (301) and the third motor (305) are respectively connected to the support frame (101) by bolts.

Citation Information

Patent Citations

  • Lithium battery film roll-dividing device

    CN116281356A