Thin film flattening and winding device

By stretching and smoothing the film twice by smoothing the smoothing assembly and adjusting the width of the limit part, the problems of wrinkles, curling edges, and folding angles during the film rolling process are solved, and the flatness and neatness of the film roll is improved.

CN223073610UActive Publication Date: 2025-07-08JIANGSU ENPACK COMPOSITE CURRENT COLLECTORS CO LTD
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Patent Information

Application Number
CN202421784416.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-07-08
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

During the rolling process, the film is prone to wrinkles, curling edges, and folding angles, which affects the flatness and quality of the film roll.

Method used

The film is stretched and smoothed twice with smoothing, and the film roll is adjusted in width with the limiting parts to ensure that the film remains stretched before and after winding and improves the edges.

Benefits of technology

Effectively prevent the film from wrinkling, curling edges, and folding angles during the rolling process, ensuring that the surface of the rolled film roll is flat, and improving the stretching degree and edge neatness of the film roll.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a film flattening and winding device which comprises a flattening assembly and a winding assembly, the flattening assembly comprises a first flattening guide roller and a second flattening guide roller, the first flattening guide roller and the second flattening guide roller extend in the first direction, and the first flattening guide roller and the second flattening guide roller are arranged in an attached mode in the second direction; the rolling wheel assembly comprises a rolling wheel and an angle adjusting assembly, the rolling wheel is arranged on the angle adjusting assembly in a rolling mode, and the angle adjusting assembly adjusts the position of the rolling wheel in the axial direction; the flattening assembly is used for stretching and flattening the thin film for the first time before the thin film is rolled, it is ensured that the thin film is in a stretching state before being rolled, and when the thin film is rolled, the rolling wheel assembly is used for stretching and flattening the thin film which is being rolled for the second time, so that the stretching degree of a rolled thin film roll is further ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of film winding, in particular to a film flat winding device. Background Art

[0002] Films are frequently used in daily life. Even in the production of batteries, current collector films are also required. Therefore, for the films used in electrical components, certain requirements are imposed on the flatness of the films to avoid affecting the performance of the finished products. During the winding process of the films, situations such as wrinkles, warped edges and corners are likely to occur, resulting in uneven surfaces of the films, thus affecting the quality of the film rolls. Summary of the Utility Model

[0003] To overcome the above disadvantages, the purpose of the utility model is to provide a film flat winding device. Before the film is wound, the film is first stretched and smoothed by a smoothing component to ensure that the film is in a stretched state before winding. And while the film is being wound, the film being wound is secondarily stretched and smoothed by a roller component, thereby further ensuring the degree of stretching of the wound film roll; by using a limiting member with an adjustable width, the width of the film roll is limited during winding, which is beneficial to improving the neatness of the edges of the film roll.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a film flat winding device, comprising:

[0005] A smoothing component, the smoothing component includes a first smoothing guide roller and a second smoothing guide roller, the first smoothing guide roller and the second smoothing guide roller extend along a first direction, and the first smoothing guide roller and the second smoothing guide roller are arranged in contact along a second direction;

[0006] A roller component, the roller component includes a roller and an angle adjustment component, the roller is rotatably arranged on the angle adjustment component, and the angle adjustment component axially adjusts the position of the roller.

[0007] In this technical solution, the flattening component is used to flatten the film before winding to prevent the film from wrinkling, curling at the edges, or forming corners. The flattening component achieves the effect of stretching the film by squeezing the first flattening guide roller and the second flattening guide roller against each other; the roller component is used to stretch the film on the surface of the film roll during the film winding process to prevent the film from wrinkling, curling at the edges, or forming corners during winding, and an angle adjustment component is used to change the angle of the roller component in real time when the thickness of the film roll changes to perform stretching and flattening treatment on the film roll; through the flattening component, the film is stretched and flattened for the first time before winding to ensure that the film is in a stretched state before winding, and while the film is being wound, the roller component performs a second stretching and flattening on the film being wound, thereby further ensuring the degree of stretching of the wound film roll.

[0008] In some embodiments, the roller component further includes a support member, and the angle adjustment component is disposed on the support member.

[0009] In this technical solution, the support member is used to install the angle adjustment component, raise the height of the angle adjustment component, and provide a fulcrum for the rotation of the angle adjustment component.

[0010] In some embodiments, the film flat winding device further includes a winding component, and the winding component includes a winding roller and a limiting plate, and the limiting plate is disposed at both ends of the winding roller.

[0011] In this technical solution, the winding component is used to wind the film, and the limiting plate is used to limit the width of the film roll, which is beneficial to improving the neatness of the edges of the film roll.

[0012] In some embodiments, the limiting plate includes a first limiting plate and a second limiting plate, and the winding component further includes a width adjustment component, and the second limiting plate is disposed on the winding roller through the width adjustment component.

[0013] In this technical solution, the first limiting plate and the second limiting plate respectively limit the width of the film roll from both ends of the film roll, and the width adjustment component can adjust the position of the second limiting plate, thereby adjusting the width between the first limiting plate and the second limiting plate, and further adjusting the width of the film roll to improve the neatness of the film roll.

[0014] In some embodiments, the film flat winding device further includes a mounting plate, and the flattening component and the winding roller are disposed on the mounting plate.

[0015] In this technical solution, the mounting plate is used to mount the flattening component and the winding roller.

[0016] In some embodiments, the film flattening and winding device further includes a plurality of guide rollers, which extend along a first direction and are disposed on the mounting plate.

[0017] In this technical solution, the guide rollers are used to transport the film.

[0018] In some embodiments, the film flattening and winding device further includes a fixed bottom plate, and the support member and the mounting plate are fixedly spaced along a third direction on the fixed bottom plate.

[0019] In this technical solution, the fixed bottom plate is used to mount and fix the support member and the mounting plate.

[0020] The beneficial effect of the present utility model is that, before the film is wound, the film is first stretched and flattened by the flattening assembly to ensure that the film is in a stretched state before winding. And while the film is being wound, the film being wound is secondarily stretched and flattened by the roller assembly, thereby further ensuring the degree of stretching of the wound film roll; by using a limiting member with an adjustable width, the width is limited when the film roll is wound, which is beneficial to improving the neatness of the edges of the film roll. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an overall schematic diagram of a film flattening and winding device according to an embodiment of the present utility model;

[0022] Figure 2 is a front view schematic diagram of a film flattening and winding device according to an embodiment of the present utility model;

[0023] In the figure: 1. Flattening assembly; 11. First flattening guide roller; 12. Second flattening guide roller; 2. Roller assembly; 21. Roller; 22. Angle adjusting assembly; 23. Support member; 3. Limiting plate; 31. First limiting plate; 32. Second limiting plate; 33. Width adjusting assembly; 4. Mounting plate; 5. Guide roller; 6. Fixed bottom plate; x. First direction; y. Second direction; z. Third direction; θ. Axial direction. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following describes in detail the preferred embodiments of the present utility model with reference to the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0025] Combined with the attached Figure 1 and the attached Figure 2 As shown, the present utility model provides a film flattening and winding device, including:

[0026] Smoothing component 1, the smoothing component 1 includes a first smoothing guide roller 11 and a second smoothing guide roller 12, the first smoothing guide roller 11 and the second smoothing guide roller 12 extend along the first direction x, and the first smoothing guide roller 11 and the second smoothing guide roller 12 are arranged in contact with each other along the second direction y;

[0027] Roller assembly 2, the roller assembly 2 includes a roller 21 and an angle adjustment component 22, the roller 21 is rotatably arranged on the angle adjustment component 22, and the angle adjustment component 22 adjusts the position of the roller 21 along the axial direction θ.

[0028] The smoothing component 1 is used to smooth the film before film winding to prevent the film from wrinkling, curling, folding, etc. The smoothing component 1 squeezes the first smoothing guide roller 11 and the second smoothing guide roller 12 against each other, so as to achieve the effect of stretching the film; the roller assembly 2 is used to stretch the film on the surface of the film roll during the film winding process to prevent the film from wrinkling, curling, folding, etc. during the winding process, and the angle adjustment component 22 is used to change the angle of the roller assembly 2 in real time when the thickness of the film roll changes, so as to perform stretching and smoothing treatment on the film roll; the smoothing component 1 performs the first stretching and smoothing on the film before film winding to ensure that the film is in a stretched state before winding, and at the same time when the film is being wound, the roller assembly 2 performs the second stretching and smoothing on the film being wound, so as to further ensure the degree of stretching of the wound film roll.

[0029] Continue to combine with the attached Figure 1 and the attached Figure 2 As shown, in some embodiments, the roller assembly 2 further includes a support member 23, the angle adjustment component 22 is arranged on the support member, and the support member is used to install the angle adjustment component 22, raise the height of the angle adjustment component 22, and provide a fulcrum for the rotation of the angle adjustment component 22.

[0030] Continue to combine with the attached Figure 1 and the attached Figure 2 As shown, in some embodiments, the film flat winding device further includes a winding component, the winding component includes a winding roller and a limiting plate 3, the limiting plate 3 is arranged at both ends of the winding roller, and the winding component is used to wind the film, and the limiting plate 3 is used to limit the width of the film roll, which is beneficial to improving the neatness of the edges of the film roll.

[0031] Continue to combine with the attached Figure 1 and the attached Figure 2As shown, in some embodiments, the limiting plate 3 includes a first limiting plate 31 and a second limiting plate 32. The material receiving assembly further includes a width adjusting assembly 33. The second limiting plate 32 is disposed on the material receiving roller through the width adjusting assembly 33. The first limiting plate 31 and the second limiting plate 32 respectively limit the width of the film roll from both ends of the film roll. The width adjusting assembly 33 can adjust the position of the second limiting plate 32, thereby adjusting the width between the first limiting plate 31 and the second limiting plate 32, and further adjusting the width of the film roll, so as to improve the neatness of the film roll.

[0032] Continue to combine with the attached Figure 1 and the attached Figure 2 As shown, in some embodiments, the film flat winding device further includes a mounting plate 4. The smoothing assembly 1 and the material receiving roller are disposed on the mounting plate 4. The mounting plate 4 is used for mounting the smoothing assembly 1 and the material receiving roller.

[0033] Continue to combine with the attached Figure 1 and the attached Figure 2 As shown, in some embodiments, the film flat winding device further includes a plurality of guide rollers 5. The guide rollers 5 extend along the first direction x. The guide rollers 5 are disposed on the mounting plate 4. The guide rollers 5 are used for transmitting the film.

[0034] Continue to combine with the attached Figure 1 and the attached Figure 2 As shown, in some embodiments, the film flat winding device further includes a fixed bottom plate 6. The support member 23 and the mounting plate 4 are fixedly spaced along the third direction z on the fixed bottom plate 6. The fixed bottom plate 6 is used for mounting the fixed support member 23 and the mounting plate 4.

[0035] In summary, the present invention provides a film flat winding device. The film is first stretched and smoothed by the smoothing assembly before winding, ensuring that the film is in a stretched state before winding. And while the film is being wound, the film being wound is secondarily stretched and smoothed by the roller assembly, thereby further ensuring the degree of stretching of the wound film roll; by using a limiting member with an adjustable width, the width is limited during the winding of the film roll, which is beneficial to improving the neatness of the edges of the film roll.

[0036] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it. It cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A film flattening and winding device, characterized in that, Comprising: A flattening component, the flattening component includes a first flattening guide roller and a second flattening guide roller, the first flattening guide roller and the second flattening guide roller extend along a first direction, and the first flattening guide roller and the second flattening guide roller are arranged in contact along a second direction; A roller component, the roller component includes a roller and an angle adjustment component, the roller is rotatably arranged on the angle adjustment component, and the angle adjustment component adjusts the position of the roller along the axial direction.

2. The film flattening and winding device according to claim 1, wherein The roller component further includes a support member, and the angle adjustment component is arranged on the support member.

3. The film flattening and winding device according to claim 2, wherein It further includes a material receiving component, the material receiving component includes a material receiving roller and a limiting plate, and the limiting plate is arranged at both ends of the material receiving roller.

4. The film flattening and winding device according to claim 3, characterized in that, The limiting plate includes a first limiting plate and a second limiting plate, the material receiving component further includes a width adjustment component, and the second limiting plate is arranged on the material receiving roller through the width adjustment component.

5. The film flattening and winding device according to claim 3, characterized in that, It further includes a mounting plate, and the flattening component and the material receiving roller are arranged on the mounting plate.

6. The film flattening and winding device according to claim 5, characterized in that, It further includes a plurality of guide rollers, the guide rollers extend along a first direction, and the guide rollers are arranged on the mounting plate.

7. The film flattening and winding device according to claim 5, characterized in that, It further includes a fixed bottom plate, and the support member and the mounting plate are fixedly spaced apart on the fixed bottom plate along a third direction.