Bidirectional paper-tube-free film winding device

By setting a snap connection structure for fixing protrusions and positioning grooves on the fixing part of the winder, the problem of unstable fixing of paperless tube film tube material is solved, and the stability and convenient operation of winding operations are achieved.

CN223087350UActive Publication Date: 2025-07-11DONGGUAN ZHITENG PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202422464924.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-07-11
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

The existing winding device is difficult to securely fix the paperless tube material, resulting in difficulty in winding operations and unable to meet production needs.

Method used

A bidirectional paperless cylinder film winder is designed, adopting a first fixing part and a second fixing part, and a plurality of fixing protrusions and positioning grooves are respectively provided on the outer side wall of the fixing tube, so that the connection stability is enhanced by the removable connection and snap structure.

Benefits of technology

It effectively enhances the friction between the paperless tube film material and the fixing part, ensures smooth winding operation, simple and convenient operation, and meets production needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bidirectional paper-tube-free film winding device which comprises a first fixing part and a second fixing part which are used for fixing a paper-tube-free film pipe material. The first fixing part comprises the first fixing pipe and the multiple first fixing protrusions arranged at intervals on the circumference, and the second fixing part comprises the second fixing pipe and the multiple second fixing protrusions arranged at intervals on the circumference, so that the friction force between the paper-tube-free film pipe material and the first fixing part and the friction force between the paper-tube-free film pipe material and the second fixing part can be effectively increased; according to the connecting structure, the stability of the connecting structure is enhanced, the paper-tube-free film pipe material is not prone to slipping relative to the first fixing part and the second fixing part, the paper-tube-free film pipe material can be well fixed to the first fixing part and the second fixing part, and therefore it is guaranteed that winding operation is conducted smoothly, and convenience is brought to production; one end of the first fixing part is detachably connected with one end of the second fixing part, the annular positioning block and the annular positioning groove are matched, buckled, connected and positioned, the structure is stable, assembling is easy, and existing requirements are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of winding machines, in particular to a two-way paperless film winding machine. Background Art

[0002] With the continuous development of the social economy and the continuous improvement of people's living standards, more and more tools for use are manufactured and widely applied to agriculture, industry and the service industry. There are a wide variety of tools for use, and according to different needs of people, they have been further innovated, and play an indispensable role in people's work and life, and can provide convenience for people's work and life.

[0003] In the production process of products, the packaging operation of products is usually involved. In the prior art, generally, a winding device uses a film to wind and package products. A winding machine for fixing a film tubular material is provided on the winding device. This winding machine generally has a structure of a fixed tube. When in use, the film tubular material is installed on the fixed tube, and then the article is wound. This kind of winding machine is generally designed for a paper tube film tubular material. However, now many are set as paperless film tubular materials in order to reduce costs and increase the space utilization rate of the film. If this kind of paperless film tubular material is installed on the fixed tube of the current winding machine, because the paperless film tubular material is relatively smooth, the connection structure between the paperless film tubular material and the fixed tube is not firm enough, and the paperless film tubular material is very easy to slip relative to the fixed tube, resulting in that the paperless film tubular material cannot be well fixed, making the winding machine very inconvenient to use, causing difficulties in the winding operation, bringing inconvenience to production, and not meeting the existing needs. Therefore, it is necessary to study a new technical solution to improve the above problems. Summary of the Utility Model

[0004] In view of this, in view of the deficiencies existing in the prior art, the main purpose of the utility model is to provide a two-way paperless film winding machine, which can effectively solve the problem that in the prior art, when the paperless film tubular material is installed on the fixed tube of the current winding machine, because the paperless film tubular material is relatively smooth, the connection structure between the paperless film tubular material and the fixed tube is not firm enough, and the paperless film tubular material is very easy to slip relative to the fixed tube, resulting in that the paperless film tubular material cannot be well fixed, making the winding machine very inconvenient to use, causing difficulties in the winding operation, and bringing inconvenience to production.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A two-way paperless film winder includes a first fixing part and a second fixing part for fixing a paperless film tube material; one end of the first fixing part is detachably connected to one end of the second fixing part. The first fixing part includes a first fixing tube and a plurality of first fixing protrusions arranged on the outer side wall of the first fixing tube. The plurality of first fixing protrusions are arranged at circumferential intervals. One end of the first fixing part is provided with an annular positioning groove, and the other end of the first fixing part is provided with a first annular extension part; the second fixing part includes a second fixing tube and a plurality of second fixing protrusions arranged on the outer side wall of the second fixing tube. The plurality of second fixing protrusions are arranged at circumferential intervals. One end of the second fixing part is provided with an annular positioning block, and the annular positioning block is connected and positioned with the annular positioning groove by buckling, which can effectively enhance the stability of the connection structure between the first fixing part and the second fixing part. The operation is simple, and it is convenient for disassembly and assembly, bringing convenience to the user. The other end of the second fixing part is provided with a second annular extension part.

[0007] As a preferred solution, the first fixing protrusion is of a triangular structure. The triangular first fixing protrusion cooperates with the paperless film tube material, and can well fix the paperless film tube material, bringing convenience to the user.

[0008] As a preferred solution, the second fixing protrusion is of a triangular structure. The triangular second fixing protrusion cooperates with the paperless film tube material, and can well fix the paperless film tube material, bringing convenience to the user.

[0009] As a preferred solution, the surface of the annular positioning block is provided with a plurality of positioning grooves, and the bottom of the annular positioning groove is provided with a plurality of positioning protrusions. The plurality of positioning protrusions are respectively connected and positioned with the corresponding positioning grooves by buckling, which can further enhance the stability of the connection structure between the first fixing part and the second fixing part and improve the quality of the product.

[0010] As a preferred solution, the positioning groove is arc-shaped, and correspondingly, the positioning protrusion is also arc-shaped.

[0011] As a preferred solution, the plurality of positioning grooves are evenly arranged at circumferential intervals on the surface of the annular positioning block, and the plurality of positioning protrusions are evenly arranged at circumferential intervals at the bottom of the annular positioning groove.

[0012] As a preferred solution, the plurality of first fixing protrusions are evenly arranged at circumferential intervals on the first fixing tube, which can better fix the paperless film tube material and the force is more uniform.

[0013] As a preferred solution, the plurality of second fixing protrusions are evenly arranged at circumferential intervals on the second fixing tube, which can better fix the paperless film tube material and the force is more uniform.

[0014] As a preferred solution, the multiple first fixing protrusions include multiple first long protrusions and multiple first short protrusions, and the first long protrusions and the first short protrusions are arranged alternately. The alternating arrangement of the long and short protrusions can better fix the paperless film tube material, is convenient for installation, and the connection structure between the paperless film tube material and the first fixing part is more stable.

[0015] As a preferred solution, the multiple second fixing protrusions include multiple second long protrusions and multiple second short protrusions, and the second long protrusions and the second short protrusions are arranged alternately. The alternating arrangement of the long and short protrusions can better fix the paperless film tube material, is convenient for installation, and the connection structure between the paperless film tube material and the second fixing part is more stable.

[0016] Compared with the prior art, the present utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solutions:

[0017] By providing that the first fixing part includes a first fixing tube and multiple first fixing protrusions on the outer side wall of the first fixing tube, and the multiple first fixing protrusions are arranged at circumferential intervals, and providing that the second fixing part includes a second fixing tube and multiple second fixing protrusions on the outer side wall of the second fixing tube, and the multiple second fixing protrusions are arranged at circumferential intervals, the friction between the paperless film tube material and the first fixing part and the second fixing part can be effectively increased, the stability of the connection structure between the paperless film tube material and the first fixing part and the second fixing part can be enhanced, so that the paperless film tube material is not likely to slip relative to the first fixing part and the second fixing part, and the paperless film tube material can be well fixed on the first fixing part and the second fixing part, thereby ensuring the smooth operation of the winding operation and bringing convenience to production; by detachably connecting one end of the first fixing part to one end of the second fixing part, an annular positioning groove is provided at one end of the first fixing part, an annular positioning block is provided at one end of the second fixing part, and the annular positioning block is connected and positioned in cooperation with the annular positioning groove, the structure is stable, the assembly is simple, the operation is convenient and fast, and the existing requirements are met.

[0018] To more clearly illustrate the structural features and functions of the present utility model, the present utility model will be described in detail below with reference to the drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of a preferred embodiment of the present utility model;

[0020] Figure 2 is a front view of a preferred embodiment of the present utility model;

[0021] Figure 3 is a bottom view of the first fixing part in a preferred embodiment of the present utility model;

[0022] Figure 4It is a top view of the second fixing part in the preferred embodiment of the present utility model.

[0023] Explanation of the attached drawing reference numerals:

[0024] 10. First fixing part 11. First fixing tube

[0025] 111. Groove 12. First fixing protrusion

[0026] 121. First long protrusion 122. First short protrusion

[0027] 13. Annular positioning groove 131. Positioning protrusion

[0028] 14. First annular extension part 20. Second fixing part

[0029] 21. Second fixing tube 22. Second fixing protrusion

[0030] 221. Second long protrusion 222. Second short protrusion

[0031] 23. Annular positioning block 231. Positioning groove

[0032] 24. Second annular extension part. Specific implementation manner

[0033] Please refer to Figures 1 to 4 as shown, which shows the specific structure of the preferred embodiment of the present utility model, including a first fixing part 10 and a second fixing part 20 for fixing the paperless tube film stock.

[0034] One end of the first fixing part 10 is detachably connected to one end of the second fixing part 20. The first fixing part 10 includes a first fixing tube 11 and a plurality of first fixing protrusions 12 arranged on the outer side wall of the first fixing tube 11. The plurality of first fixing protrusions 12 are arranged at circumferential intervals. An annular positioning groove 13 is provided at one end of the first fixing part 10, and a first annular extension part 14 is provided at the other end of the first fixing part 10. In this embodiment, the first fixing protrusion 12 has a triangular structure. The triangular first fixing protrusion 12 cooperates with the paperless cylinder film stock, and can well fix the paperless cylinder film stock, bringing convenience to the user. A plurality of positioning protrusions 131 are provided at the bottom of the annular positioning groove 13. Specifically, the positioning protrusion 131 is arc-shaped. The plurality of positioning protrusions 131 are evenly arranged at circumferential intervals at the bottom of the annular positioning groove 13. The plurality of first fixing protrusions 12 are evenly arranged at circumferential intervals on the first fixing tube 11, which can better fix the paperless cylinder film stock and the force is more uniform. The plurality of first fixing protrusions 12 include a plurality of first long protrusions 121 and a plurality of first short protrusions 122. The first long protrusions 121 and the first short protrusions 122 are arranged alternately. The alternating arrangement of the long and short protrusions can better fix the paperless cylinder film stock, is convenient for installation, and the connection structure between the paperless cylinder film stock and the first fixing part 10 is more stable. The plurality of first fixing protrusions 12 are arranged at a position on the outer side wall of the first fixing tube 11 close to the first annular extension part 14. A groove 111 is provided on the outer side wall of the first fixing tube 11. The groove 111 is used to increase the friction between the hand and the first fixing part 10, which is beneficial to disassembling the first fixing part 10 and the second fixing part 20, with simple operation and more convenient and fast use.

[0035] The second fixing part 20 includes a second fixing tube 21 and a plurality of second fixing protrusions 22 arranged on the outer side wall of the second fixing tube 21. The plurality of second fixing protrusions 22 are arranged at circumferential intervals. One end of the second fixing part 20 is provided with an annular positioning block 23. The annular positioning block 23 is connected and positioned in a snap-fit manner with the annular positioning groove 13, which can effectively enhance the stability of the connection structure between the first fixing part 10 and the second fixing part 20. The operation is simple, convenient for disassembly and assembly, and brings convenience to the user. The other end of the second fixing part 20 is provided with a second annular extension part 24; in this embodiment, the second fixing protrusion 22 is of a triangular structure. The triangular second fixing protrusion 22 cooperates with the paperless tube film material, which can well fix the paperless tube film material and brings convenience to the user; the surface of the annular positioning block 23 is provided with a plurality of positioning grooves 231, and the above-mentioned plurality of positioning protrusions 131 are respectively connected and positioned in a snap-fit manner with the corresponding positioning grooves 231; specifically, the positioning groove 231 is arc-shaped; the plurality of positioning grooves 231 are evenly arranged at circumferential intervals on the surface of the annular positioning block 23; the plurality of second fixing protrusions 22 are evenly arranged at circumferential intervals on the second fixing tube 21, which can better fix the paperless tube film material and the force is more uniform; the plurality of second fixing protrusions 22 include a plurality of second long protrusions 221 and a plurality of second short protrusions 222. The second long protrusions 221 and the second short protrusions 222 are arranged alternately. The alternating arrangement of the long and short protrusions can better fix the paperless tube film material, the installation is convenient, and the connection structure between the paperless tube film material and the second fixing part 20 is more stable; the plurality of second fixing protrusions 22 are arranged on the outer side wall of the second fixing tube 21 at a position close to the second annular extension part 24.

[0036] The usage process of this embodiment is described in detail as follows:

[0037] First, put one end of the paperless tube film material on the first fixing part 10. The plurality of first fixing protrusions 12 of the first fixing part 10 cooperate with the paperless tube film material, so that one end of the paperless tube film material can be well fixed; then, put the other end of the paperless tube film material on the second fixing part 20, press the first annular extension part 14 and the second annular extension part 24 with hands and push them inward, install the annular positioning block 23 of the second fixing part 20 into the annular positioning groove 13 of the first fixing part 10, and respectively connect and position the plurality of positioning protrusions 131 with the corresponding positioning grooves 231 in a snap-fit manner, so that the plurality of second fixing protrusions 22 of the second fixing part 20 cooperate with the paperless tube film material, so that the other end of the paperless tube film material can be well fixed; install the winder with the paperless tube film material installed on the winding arm of the winding device, take out a part of the film installed on the winder, wind one end of the film on the item, start the machine, and then the item can be wound and wrapped clockwise or counterclockwise with the film by the rotation of the winding arm.

[0038] The design focus of the present utility model lies in:

[0039] By providing that the first fixing part includes a first fixing tube and a plurality of first fixing protrusions on the outer side wall of the first fixing tube, with the plurality of first fixing protrusions arranged at circumferential intervals, and providing that the second fixing part includes a second fixing tube and a plurality of second fixing protrusions on the outer side wall of the second fixing tube, with the plurality of second fixing protrusions arranged at circumferential intervals, it can effectively increase the friction force between the paperless tube film material and the first fixing part and the second fixing part, enhance the stability of the connection structure between the paperless tube film material and the first fixing part and the second fixing part, make the paperless tube film material not prone to slipping relative to the first fixing part and the second fixing part, and can well fix the paperless tube film material on the first fixing part and the second fixing part, thus ensuring the smooth operation of the winding operation and bringing convenience to production; by detachably connecting one end of the first fixing part with one end of the second fixing part, with an annular positioning groove provided at one end of the first fixing part and an annular positioning block provided at one end of the second fixing part, and the annular positioning block being in snap-fit connection and positioning with the annular positioning groove, the structure is stable, the assembly is simple, the operation is convenient and fast, meeting the existing requirements.

[0040] The above is only a preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A two-way paperless film winder, characterized in that: It includes a first fixing part and a second fixing part for fixing a paperless cylinder film tube material; one end of the first fixing part is detachably connected to one end of the second fixing part. The first fixing part includes a first fixing tube and a plurality of first fixing protrusions arranged on the outer side wall of the first fixing tube. The plurality of first fixing protrusions are arranged at circumferential intervals. An annular positioning groove is provided at one end of the first fixing part, and a first annular extension part is provided at the other end of the first fixing part. The second fixing part includes a second fixing tube and a plurality of second fixing protrusions arranged on the outer side wall of the second fixing tube. The plurality of second fixing protrusions are arranged at circumferential intervals. An annular positioning block is provided at one end of the second fixing part. The annular positioning block is connected and positioned with the annular positioning groove in a snap-fit manner. A second annular extension part is provided at the other end of the second fixing part.

2. The two-way paperless film winder according to claim 1, characterized in that: The first fixing protrusion is of a triangular structure.

3. The two-way paperless film winder according to claim 1, characterized in that: The second fixing protrusion is of a triangular structure.

4. The two-way paperless drum film winder according to claim 1, characterized in that: A plurality of positioning grooves are provided on the surface of the annular positioning block, and a plurality of positioning protrusions are provided at the bottom of the annular positioning groove. The plurality of positioning protrusions are respectively connected and positioned with the corresponding positioning grooves in a snap-fit manner.

5. The two-way paperless film winder according to claim 4, characterized in that: The positioning groove is arc-shaped. Correspondingly, the positioning protrusion is also arc-shaped.

6. The two-way paperless film winder according to claim 4, characterized in that: The plurality of positioning grooves are evenly arranged at circumferential intervals on the surface of the annular positioning block, and the plurality of positioning protrusions are evenly arranged at circumferential intervals at the bottom of the annular positioning groove.

7. The two-way paperless drum film winder according to claim 1, characterized in that: The plurality of first fixing protrusions are evenly arranged at circumferential intervals on the first fixing tube.

8. The two-way paperless film winder according to claim 1, wherein: The plurality of second fixing protrusions are evenly arranged at circumferential intervals on the second fixing tube.

9. The two-way paperless film winder according to claim 1, wherein: The plurality of first fixing protrusions include a plurality of first long protrusions and a plurality of first short protrusions, and the first long protrusions and the first short protrusions are arranged alternately.

10. The two-way paperless film winder according to claim 1, characterized in that: The plurality of second fixing protrusions include a plurality of second long protrusions and a plurality of second short protrusions, and the second long protrusions and the second short protrusions are arranged alternately.