A lithium battery copper foil continuous production equipment

By designing a continuous production equipment of lithium battery copper foil including cylinders, adjustment components, turntables and cutting knives, the problem of the need to replace the rolling roller after the rolling of the lithium battery copper foil in the prior art is solved, and the continuous production and efficient production efficiency of lithium battery copper foil are achieved, and the looseness or breakage of the lithium battery copper foil is avoided by adjusting the tension.

CN222714667UActive Publication Date: 2025-04-04HUIZHOU UNITED COPPER FOIL ELECTRONIC MATERIAL CO LTD
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Patent Information

Application Number
CN202421039028.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-04-04
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

In the prior art, the lithium battery copper foil needs to be replaced after it is cured to a certain thickness, resulting in production shutdown, reducing production efficiency, and it is difficult to adjust the tension of the lithium battery copper foil, which may lead to looseness or breakage.

Method used

A continuous production equipment of lithium battery copper foil is designed, including a support frame, cylinder, adjustment component, turntable, winding roller, cleaning roller, pulling roller and cutting knife. The lifting rack and rolling column are pushed into contact with the lithium battery copper foil through the cylinder. The second screw drives the thread block and cutting knife to move, and the speed reduction motor drives the turntable to rotate, and the cut lithium battery copper foil is wound on the winding roller. The first motor drives the winding roller to rotate, realizing continuous production, and adjusting the tension of the lithium battery copper foil through the adjustment roller.

Benefits of technology

Continuous production of lithium battery copper foil is achieved, downtime is reduced, production efficiency is improved, and loosening or breaking of lithium battery copper foil is avoided by adjusting tension.

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    Figure CN222714667U_ABST
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Abstract

The utility model belongs to the field of copper foil production, in particular to a continuous production equipment for lithium battery copper foil. Aiming at the problem that after the existing winding roller winds the lithium battery copper foil to a certain thickness, the winding roller needs to be replaced, which is time-consuming and labor-intensive. The foil machine will stop running for a long time, cannot be continuously produced, and reduces the production efficiency. Now the following scheme is proposed, which includes a support frame, two cylinders and an adjustment component. One side of the support frame is rotatably connected with a turntable, and one side of the turntable is fixedly connected with a plurality of evenly distributed winding rollers. The plurality of winding rollers are used for continuous winding of the lithium battery copper foil. In the utility model, a reduction motor drives the turntable to rotate a certain angle, and the cut lithium battery copper foil is wound on the corresponding winding roller. The first motor drives the winding roller to rotate, which is convenient for the continuous production of the lithium battery copper foil and the downtime is short. The first screw is rotated to drive the adjusting roller to move up and down, which is convenient for adjusting the tension of the lithium battery copper foil to avoid loosening or breaking during winding.
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Description

Technical Field

[0001] The utility model relates to the technical field of copper foil production, in particular to a lithium battery copper foil continuous production device. Background Art

[0002] Lithium battery copper foil is a material that plays an important role in lithium batteries. It not only acts as a carrier of negative electrode active materials, but also as a collector and transmitter of negative electrode electron flow. Due to its good conductivity, soft texture, mature manufacturing technology and relatively low price, lithium battery copper foil has become the preferred material for negative electrode current collectors of lithium-ion batteries.

[0003] After searching, the utility model with the announcement number CN220165405U discloses a copper foil winding structure, which includes a winding machine body, a copper foil body, and multiple sets of guide rollers and a set of winding rollers arranged at the winding machine body. The copper foil winding structure is provided with two sets of cleaning rollers at the position of the winding machine body near the winding roller. The above patent also has the following shortcomings:

[0004] 1. In the above patent, after the reel rolls up the lithium battery copper foil to a certain thickness, the reel roll needs to be replaced, which is time-consuming and labor-intensive. The foil machine will stop running for a long time and cannot produce continuously, which reduces production efficiency. When reeling, it is not convenient to adjust the tension of the lithium battery copper foil, which may cause looseness or breakage. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that after the winding roller has rolled up the lithium battery copper foil to a certain thickness, it is necessary to replace the winding roller, which is time-consuming and labor-intensive, and the foil machine will stop running for a long time, and continuous production cannot be achieved, thereby reducing production efficiency. A lithium battery copper foil continuous production device is proposed to solve the problem that the winding roller needs to be replaced after the lithium battery copper foil is rolled up to a certain thickness, which is time-consuming and labor-intensive, and the foil machine will stop running for a long time, and continuous production cannot be achieved, thereby reducing production efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A lithium battery copper foil continuous production device comprises a support frame, two cylinders and an adjustment component, one side of the support frame is rotatably connected to a turntable, one side of the turntable is fixedly connected to a plurality of evenly distributed winding rollers, and the plurality of winding rollers are used for continuous winding of the lithium battery copper foil;

[0008] The two cylinders are fixedly connected to the bottom of the support frame, one end of the two cylinder piston rods is fixedly connected to the same lifting frame, the lifting frame is slidably connected to the upper surface of the support frame, the upper surface of the lifting frame is fixedly connected to a second motor, the interior of the lifting frame is rotatably connected to a second screw, one end of the second motor output shaft is fixedly connected to the second screw, the circumferential thread of the second screw is connected to a thread block, the thread block is slidably connected in the lifting frame, the upper surface of the thread block is fixedly connected to a cutting knife, and the cutting knife is used for cutting lithium battery copper foil;

[0009] The adjusting component is arranged on one side of the supporting frame, and the adjusting component is used to adjust the tension of the lithium battery copper foil.

[0010] In a possible design, the adjustment assembly includes an adjustment roller and a first screw, wherein the first screw is rotatably connected to one side of a support frame, the adjustment roller is threadedly connected to the circumference of the first screw, a through slide groove is provided on one side of the support frame, and the adjustment roller is slidably connected in the slide groove.

[0011] In a possible design, a fixing frame is fixedly connected to one side of the support frame, a reduction motor is fixedly connected to the upper surface of the fixing frame, one end of the reduction motor output shaft is fixedly connected to the turntable, a plurality of first motors are fixedly connected to one side of the turntable, and one end of the plurality of first motor output shafts are respectively fixedly connected to the corresponding winding rollers.

[0012] In a possible design, one side of the support frame is rotatably connected to two cleaning rollers, the lithium battery copper foil is located between the two cleaning rollers, and the other side of the support frame is fixedly connected to a third motor, one end of the output shaft of the third motor is fixedly connected to one of the cleaning rollers, and the same end of the two cleaning rollers is fixedly connected to a gear, and the two gears are meshed.

[0013] In a possible design, a plurality of traction rollers are fixedly connected to one side of the support frame.

[0014] In a possible design, the upper surface of the lifting frame is rotatably connected to two rolling columns.

[0015] In a possible design, a plurality of legs are fixedly connected to the bottom of the support frame.

[0016] In the present application, when in use, the produced lithium battery copper foil is installed between a plurality of traction rollers, so that one end of the lithium battery copper foil is fixed on one of the winding rollers, and the first motor drives the corresponding winding roller to rotate and wind it;

[0017] While winding, the lithium battery copper foil is located between two cleaning rollers, and the third motor drives one of the cleaning rollers to rotate. Through the meshing of the two gears, the two cleaning rollers can rotate in opposite directions, which is convenient for cleaning both sides of the lithium battery copper foil to avoid impurities on the surface. By rotating the first screw, the adjusting roller is driven to move up and down, which is convenient for adjusting the tension of the lithium battery copper foil to avoid loosening or breaking during winding;

[0018] When one of the winding rollers finishes winding, the lithium battery copper foil stops moving briefly. At this time, the two cylinders push the lifting frame upward to make the two rolling columns contact the lithium battery copper foil. The second motor drives the second screw to rotate, and the second screw drives the threaded block to move, which is convenient for driving the cutting knife to move. The cutting knife cuts the lithium battery copper foil, and then the reduction motor drives the turntable to rotate a certain angle, and the cut lithium battery copper foil is wound on the corresponding winding roller. Then the lithium battery copper foil continues to move, and the corresponding first motor drives the winding roller to rotate, and the wound lithium battery copper foil is taken out for subsequent processing. This reciprocating process is convenient for the continuous production of lithium battery copper foil with short downtime.

[0019] Beneficial effects:

[0020] In the utility model, the lithium battery copper foil continuous production equipment, through the setting of the turntable, the reduction motor drives the turntable to rotate a certain angle, the cut lithium battery copper foil is wound on the corresponding winding roller, and the first motor drives the winding roller to rotate, which is convenient for the continuous production of lithium battery copper foil and the downtime is short;

[0021] In the utility model, the lithium battery copper foil continuous production equipment, through the setting of the first screw, rotates the first screw to drive the adjusting roller to move up and down, so as to adjust the tension of the lithium battery copper foil and avoid loosening or breaking when winding. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main structure of a lithium battery copper foil continuous production equipment proposed by the utility model;

[0023] Figure 2 This is a side view cross-sectional structural schematic diagram of a lithium battery copper foil continuous production equipment proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the main cross-sectional structure of a lithium battery copper foil continuous production device proposed by the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the disassembled state of a lifting frame of a lithium battery copper foil continuous production equipment proposed by the utility model.

[0026] In the figure: 1. support frame; 2. turntable; 3. winding roller; 4. cleaning roller; 5. traction roller; 6. adjusting roller; 7. first motor; 8. fixed frame; 9. reduction motor; 10. lifting frame; 11. second motor; 12. third motor; 13. gear; 14. first screw; 15. cylinder; 16. rolling column; 17. second screw; 18. thread block; 19. cutting knife. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Example 1

[0029] Reference Figure 1-Figure 4 , a continuous production equipment, comprising: a support frame 1, two cylinders 15 and an adjustment assembly, one side of the support frame 1 is rotatably connected to a turntable 2, one side of the turntable 2 is fixedly connected to a plurality of evenly distributed winding rollers 3, and the plurality of winding rollers 3 are used for continuous winding of lithium battery copper foil;

[0030] The two cylinders 15 are fixedly connected to the bottom of the support frame 1, one end of the piston rods of the two cylinders 15 is fixedly connected to the same lifting frame 10, the lifting frame 10 is slidably connected to the upper surface of the support frame 1, the upper surface of the lifting frame 10 is fixedly connected to the second motor 11, the internal rotation of the lifting frame 10 is connected to the second screw 17, one end of the output shaft of the second motor 11 is fixedly connected to the second screw 17, the circumferential thread of the second screw 17 is connected to the thread block 18, the thread block 18 is slidably connected in the lifting frame 10, the upper surface of the thread block 18 is fixedly connected to the cutting knife 19, the cutting knife 19 is used for cutting lithium battery copper foil;

[0031] The adjusting component is arranged on one side of the supporting frame 1, and the adjusting component is used to adjust the tension of the lithium battery copper foil;

[0032] The adjusting assembly includes an adjusting roller 6 and a first screw 14. The first screw 14 is rotatably connected to one side of the support frame 1. The adjusting roller 6 is threadedly connected to the circumference of the first screw 14. A sliding groove is provided on one side of the support frame 1. The adjusting roller 6 is slidably connected in the sliding groove.

[0033] A fixing frame 8 is fixedly connected to one side of the support frame 1, a reduction motor 9 is fixedly connected to the upper surface of the fixing frame 8, one end of the output shaft of the reduction motor 9 is fixedly connected to the turntable 2, a plurality of first motors 7 are fixedly connected to one side of the turntable 2, and one end of the output shafts of the plurality of first motors 7 are respectively fixedly connected to the corresponding winding rollers 3;

[0034] In the above technical solution, one end of the lithium battery copper foil is fixed on one of the winding rollers 3, and the first motor 7 drives the corresponding winding roller 3 to rotate and wind it, and by rotating the first screw 14, the adjusting roller 6 is driven to move up and down, so as to adjust the tension of the lithium battery copper foil and avoid loosening or breaking during winding;

[0035] When one of the winding rollers 3 is wound up, the lithium battery copper foil stops moving briefly. At this time, the two cylinders 15 push the lifting frame 10 to move upward, so that the two rolling columns 16 are in contact with the lithium battery copper foil, and the second motor 11 drives the second screw 17 to rotate, and the second screw 17 drives the threaded block 18 to move, so as to drive the cutting knife 19 to move, and the cutting knife 19 cuts the lithium battery copper foil, and then the reduction motor 9 drives the turntable 2 to rotate a certain angle, and the cut lithium battery copper foil is wound on the corresponding winding roller 3, and then the lithium battery copper foil continues to move, and the corresponding first motor 7 drives the winding roller 3 to rotate, and the wound lithium battery copper foil is taken out for subsequent processing, and this is repeated, which is convenient for the continuous production of lithium battery copper foil and the downtime is short.

[0036] The present application can be used in the field of lithium battery copper foil, and can also be used in other fields applicable to the present application.

[0037] Example 2

[0038] refer to Figure 1-Figure 4 , improved on the basis of Example 1:

[0039] A lithium battery copper foil continuous production equipment;

[0040] One side of the support frame 1 is rotatably connected to two cleaning rollers 4, the lithium battery copper foil is located between the two cleaning rollers 4, the other side of the support frame 1 is fixedly connected to a third motor 12, one end of the output shaft of the third motor 12 is fixedly connected to one of the cleaning rollers 4, and the same end of the two cleaning rollers 4 is fixedly connected to a gear 13, and the two gears 13 are meshed;

[0041] In the above technical solution, while being rolled up, the lithium battery copper foil is located between two cleaning rollers 4, and the third motor 12 drives one of the cleaning rollers 4 to rotate. Through the engagement of the two gears 13, the two cleaning rollers 4 can rotate in opposite directions, so as to facilitate the cleaning of both sides of the lithium battery copper foil and avoid impurities on the surface.

[0042] refer to Figure 3 , a plurality of traction rollers 5 are fixedly connected to one side of the support frame 1;

[0043] In the above technical solution, multiple traction rollers 5 facilitate traction of lithium battery copper foil, enabling better production.

[0044] refer to Figure 4 , the upper surface of the lifting frame 10 is rotatably connected to two rolling posts 16;

[0045] In the above technical solution, the two rolling posts 16 facilitate the positioning and fixing of the lithium battery copper foil, thereby facilitating its cutting.

[0046] refer to Figure 3 , a plurality of legs are fixedly connected to the bottom of the support frame 1;

[0047] In the above technical solution, a plurality of legs can support the support frame 1 .

[0048] However, as is well known to those skilled in the art, the working principles and wiring methods of the first motor 7, the second motor 11, the third motor 12 and the reduction motor 9 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lithium battery copper foil continuous production equipment, characterized in that: include: A support frame (1), one side of the support frame (1) being rotatably connected to a turntable (2), one side of the turntable (2) being fixedly connected to a plurality of evenly distributed winding rollers (3), the plurality of winding rollers (3) being used for continuous winding of lithium battery copper foil; Two cylinders (15), both of which are fixedly connected to the bottom of the support frame (1), one end of the piston rods of the two cylinders (15) is fixedly connected to the same lifting frame (10), the lifting frame (10) is slidably connected to the upper surface of the support frame (1), the upper surface of the lifting frame (10) is fixedly connected to a second motor (11), the interior of the lifting frame (10) is rotatably connected to a second screw rod (17), one end of the output shaft of the second motor (11) is fixedly connected to the second screw rod (17), the circumferential thread of the second screw rod (17) is connected to a thread block (18), the thread block (18) is slidably connected in the lifting frame (10), the upper surface of the thread block (18) is fixedly connected to a cutting knife (19), and the cutting knife (19) is used for cutting lithium battery copper foil; An adjustment component is arranged on one side of the support frame (1), and is used to adjust the tension of the lithium battery copper foil.

2. The lithium battery copper foil continuous production equipment according to claim 1, characterized in that: The adjustment assembly comprises an adjustment roller (6) and a first screw rod (14); the first screw rod (14) is rotatably connected to one side of the support frame (1); the adjustment roller (6) is threadedly connected to the circumference of the first screw rod (14); a sliding groove is provided on one side of the support frame (1); and the adjustment roller (6) is slidably connected in the sliding groove.

3. The lithium battery copper foil continuous production equipment according to claim 2, characterized in that: A fixing frame (8) is fixedly connected to one side of the support frame (1), a reduction motor (9) is fixedly connected to the upper surface of the fixing frame (8), one end of the output shaft of the reduction motor (9) is fixedly connected to the turntable (2), a plurality of first motors (7) are fixedly connected to one side of the turntable (2), and one end of the output shafts of the plurality of first motors (7) are respectively fixedly connected to the corresponding winding rollers (3).

4. The lithium battery copper foil continuous production equipment according to claim 2, characterized in that: One side of the support frame (1) is rotatably connected to two cleaning rollers (4), the lithium battery copper foil is located between the two cleaning rollers (4), and the other side of the support frame (1) is fixedly connected to a third motor (12), one end of an output shaft of the third motor (12) is fixedly connected to one of the cleaning rollers (4), and the same end of the two cleaning rollers (4) is fixedly connected to a gear (13), and the two gears (13) are meshed.

5. The lithium battery copper foil continuous production equipment according to claim 4, characterized in that: A plurality of traction rollers (5) are fixedly connected to one side of the support frame (1).

6. The lithium battery copper foil continuous production equipment according to claim 1, characterized in that: The upper surface of the lifting frame (10) is rotatably connected to two rolling columns (16).

7. The lithium battery copper foil continuous production equipment according to claim 5, characterized in that: A plurality of supporting legs are fixedly connected to the bottom of the support frame (1).

Citation Information

Patent Citations

  • Winding structure for copper foil

    CN220165405U