A jig for converting sheet material to roll material

By designing a sheet-to-roll jig, the automatic centering and positioning of the sheet is achieved by utilizing negative pressure adsorption and an elastic guide rod structure. This solves the problems of low efficiency and large positioning deviation during the sheet-to-roll process, and improves the ease of operation and the efficiency of the roll-to-roll process.

CN224577725UActive Publication Date: 2026-07-31CHONGQING LEWEITE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING LEWEITE TECH CO LTD
Filing Date
2025-09-16
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

In existing technologies, the process of transferring sheet material to roll material relies on manual operation, resulting in low efficiency, large positioning deviations, and difficulty in meeting the stability requirements of modern large-scale production.

Method used

A sheet material to roll material fixture was designed, including a sheet material positioning platform and a positioning frame. The sheet material is fixed by the negative pressure of the adsorption hole, and the sheet material is automatically centered and positioned by the elastic element and guide rod structure, which is combined with the covering operation of the roll adhesive tape.

Benefits of technology

It achieves precise positioning and efficient transfer of sheet material, improves ease of operation and efficiency of roll transfer, and reduces labor costs and operational complexity.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a jig for sheet material to roll, belonging to the field of rubber processing technology, and solves the technical problem of low efficiency in the purely manual sheet material to roll process in the prior art. It includes: a base with a protruding sheet material positioning platform on it, the top surface of which has an adsorption hole connected to an air pressure source to generate positive or negative pressure; a positioning frame with a through cavity in its middle, the cross-section of which matches the cross-section of the sheet material positioning platform, and the thickness of the positioning frame being less than the protrusion height of the sheet material positioning platform; a vertical guide rod on the outer side of the sheet material positioning platform on the base, the positioning frame being slidably connected to the guide rod, and a first elastic element between the positioning frame and the base; under the elastic force of the first elastic element, initially, the positioning frame is located within the height range of the top surface of the sheet material positioning platform. This design effectively improves the efficiency of sheet material to roll process.
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Description

Technical Field

[0001] This utility model relates to the field of rubber processing technology, specifically to a jig for converting sheet material into roll material. Background Technology

[0002] Adhesive compounds are key materials in the manufacture of electronic products and are widely used in the production of devices such as mobile phones and laptops. Originally, they are mostly in roll form, but to adapt to the processing requirements of different components, they need to be cut and slitted during production to be transformed into sheet form. This allows them to be processed into small pieces of adhesive for specific applications, meeting the assembly requirements of precision electronic components.

[0003] The main problem facing the industry is that downstream automated production lines require rubber materials to be supplied in roll form. Therefore, the sheet rubber materials produced in the processing stage need to be rewound into rolls. Currently, this is done manually, which is not only labor-intensive but also has defects such as poor winding consistency and large efficiency fluctuations, making it difficult to meet the stability requirements of modern large-scale production. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model proposes a jig for converting sheet material into roll material, thereby solving the technical problem of low efficiency in manually converting sheet material into roll material in existing technologies.

[0005] The technical solution adopted in this utility model is: a jig for transferring sheet material to roll material, comprising:

[0006] The base has a protruding sheet positioning platform, and the top surface of the sheet positioning platform has an adsorption hole. The adsorption hole is connected to an air pressure source and can generate positive or negative pressure.

[0007] It also includes a positioning frame, in which a through cavity is provided in the middle. The cross-section of the through cavity matches the cross-section of the sheet positioning table, and the thickness of the positioning frame is less than the protrusion height of the sheet positioning table.

[0008] On the base, a vertical guide rod is provided on the outer side of the sheet positioning table, the positioning frame is slidably connected to the guide rod, and a first elastic element is provided between the positioning frame and the base;

[0009] Under the elastic force of the first elastic element, initially, the positioning frame is located within the height range of the top surface of the sheet positioning platform.

[0010] Optionally, it also includes a first material rack and a second material rack, which are disposed opposite to each other at both ends of the sheet material positioning table; the material rack includes a support plate connected to the base and a mandrel connected to the support plate, the mandrel being used to load the roll material.

[0011] Optionally, it also includes a top plate and a bottom plate. The top plate is fixedly disposed on the upper end of the guide rod, and the bottom plate is slidably disposed between the top plate and the positioning frame. The bottom plate is suspended from the top plate by a second elastic element. Under the elastic force of the second elastic element, initially, the bottom plate is close to the side of the top plate.

[0012] Optionally, the bottom of both ends of the lower pressure plate is provided with downward protruding abutment posts, and the abutment posts penetrate the outer side of the cavity corresponding to the positioning frame.

[0013] Optionally, each side of the same end of the lower pressure plate is provided with an abutment post, and a limit shaft is provided between the two abutment posts at the same end. A limit gap is provided between the limit shaft and the bottom surface of the lower pressure plate.

[0014] Optionally, the coil material passes through the limiting gap at one end of the lower pressure plate into the bottom surface of the lower pressure plate, and then exits through the limiting gap at the other end of the lower pressure plate.

[0015] Optionally, the same material rack includes two support plates, which are respectively disposed on both sides of the base, and the mandrel is connected between the two support plates.

[0016] Optionally, the same material rack includes a support plate disposed on one side of the base, one end of the mandrel is connected to the support plate, and the other end faces the other side of the base.

[0017] Optionally, the outer surface of the mandrel is provided with a groove along the axis.

[0018] Optionally, the air pressure source is connected to the adsorption hole via a pipeline, and the air pressure source is controlled by a foot switch.

[0019] As can be seen from the above technical solution, the beneficial technical effects of this utility model are as follows:

[0020] Through the ingenious design of the sheet positioning platform and positioning frame, the sheet material is automatically centered by utilizing the cavity formed by the sheet material positioning platform being lower than the initial positioning frame. Combined with the negative pressure adsorption of the adsorption holes, the sheet material is accurately fixed. After pressing down the positioning frame, the top surface of the sheet material positioning platform protrudes, which facilitates the application of tape to the sheet material and the transfer of adhesive. The whole process is simple to operate and accurate in positioning, effectively solving the problems of low efficiency and large positioning deviation of manual operation, and significantly improving the quality and efficiency of sheet material to roll material. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0022] Figure 1 This is a three-dimensional schematic diagram of the entire device.

[0023] Figure 2 This is a frontal view of the entire device.

[0024] Figure 3 This is a three-dimensional cross-sectional schematic diagram of the entire device.

[0025] Figure 4 for Figure 1 A magnified view of a portion of point A in the middle.

[0026] Figure 5 for Figure 1 A magnified view of a portion of point B in the middle.

[0027] Figure 6 for Figure 3 A magnified view of a portion of point C in the middle.

[0028] Figure 7 This is a schematic diagram of sheet material.

[0029] Reference numerals: base 1, sheet positioning platform 11, adsorption hole 111, guide rod 12, positioning frame 2, first elastic element 3, first material rack 4, support plate 41, mandrel 42, slide groove 421, second material rack 5, top plate 6, lower pressure plate 7, abutment column 71, limiting shaft 72, limiting gap 73. Detailed Implementation

[0030] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0031] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0032] A jig for converting sheet material to roll material, please refer to the attached document. Figure 1 One possible implementation method is as follows:

[0033] Base 1, with a protruding sheet positioning platform 11 on the base 1, and an adsorption hole 111 on the top surface of the sheet positioning platform 11. The adsorption hole 111 is connected to an air pressure source and can generate positive or negative pressure.

[0034] It also includes a positioning frame 2, with a through cavity in the middle of the positioning frame 2. The cross-section of the through cavity matches the cross-section of the sheet positioning table 11, and the thickness of the positioning frame 2 is less than the protrusion height of the sheet positioning table 11.

[0035] On the base 1, a vertical guide rod 12 is provided on the outer side of the sheet positioning table 11, the positioning frame 2 is slidably connected to the guide rod 12, and a first elastic element 3 is provided between the positioning frame 2 and the base 1.

[0036] Under the elastic force of the first elastic element 3, initially, the positioning frame 2 is located within the height range of the top surface of the sheet material positioning platform 11. The top surface of the sheet material positioning platform 11 is lower than the top surface of the positioning frame 2, thus forming a recessed area. When the sheet material is placed, it is relatively easy to achieve the positioning state. After the sheet material is positioned, the negative pressure of the suction hole 111 is turned on to fix the sheet material to the sheet material positioning platform 11. Then, the positioning frame 2 is pressed down, and the positioning frame 2 moves down. The top surface height of the positioning frame 2 is lower than the top surface height of the sheet material positioning platform 11. At this time, one end of the roll of adhesive tape is pulled out and covered on the sheet material positioning platform 11 to remove the adhesive residue (such as...) on the sheet material. Figure 7 (The border is the sheet material, and the black area is the adhesive material to be transferred) is transferred onto the film.

[0037] This sheet material transfer fixture has a sheet material positioning platform 11 and an adsorption hole 111 on the base 1, which can accurately position and fix the sheet material. Opening the adsorption hole 111 and applying negative pressure can stabilize the sheet material. The positioning frame 2 is slidably connected to the vertical guide rod 12. With the cooperation of the first elastic element 3, an initial recessed area is formed to facilitate sheet material positioning. After pressing down, it is convenient to cover with roll adhesive tape. Subsequent operations can transfer the adhesive on the sheet material to the film roll. Positioning is simple, operation is convenient, and the transfer efficiency is effectively improved.

[0038] In one possible implementation, see Appendix Figure 2 It also includes a first material rack 4 and a second material rack 5, which are positioned opposite each other at both ends of the sheet material positioning table 11. Each material rack includes a support plate 41 connected to the base 1 and a mandrel 42 connected to the support plate 41. The mandrel 42 is used to load rolls of film. One end holds the original film roll, and the other end holds a film roll with adhesive. This design makes loading and unloading rolls of film more convenient, and, in conjunction with the sheet material positioning and transfer structure, forms a complete material transfer process, improving operational continuity and overall efficiency.

[0039] In one possible implementation, see Appendix Figure 2The system also includes a top plate 6 and a lower pressure plate 7. The top plate 6 is fixedly mounted on the upper end of the guide rod 12, and the lower pressure plate 7 is slidably mounted between the top plate 6 and the positioning frame 2. The lower pressure plate 7 is suspended from the top plate 6 by a second elastic element. Under the elastic force of the second elastic element, the lower pressure plate 7 is initially positioned closer to the top plate 6. Further, each end of the lower pressure plate 7 has a downwardly protruding abutment post 71, which corresponds to the positioning frame 2 and penetrates through the outer side of the cavity. Each side of the same end of the lower pressure plate 7 has an abutment post 71, and a limiting shaft 72 is provided between the two abutment posts 71 at the same end. A limiting gap 73 is provided between the limiting shaft 72 and the lower bottom surface of the lower pressure plate 7. The coiled material passes through the limiting gap 73 at one end of the lower pressure plate 7 into the bottom surface of the lower pressure plate 7, and then exits through the limiting gap 73 at the other end of the lower pressure plate 7.

[0040] During operation, the adhesive material is placed into the sheet material positioning table 11. The lower pressure plate 7 is manually pressed down, overcoming the elastic force of the second elastic element and moving downwards. It then presses down on the positioning frame 2 against the column 71, exposing the sheet material positioning table 11. Simultaneously, the lower pressure plate 7 presses the roll material onto the sheet material positioning table 11, bringing it into contact with the adhesive material, thus completing the adhesive material transfer. After releasing the lower pressure plate 7 (the negative pressure on the sheet material positioning table 11 remains open), the roll material, the lower pressure plate 7, and the positioning frame 2 return to their original positions, and the roll material picks up the adhesive material from the sheet material. Then, the old sheet material is removed, and a new sheet material is placed in. The first material rack 4 and the second material rack 5 are rotated to change the roll material area, allowing the blank roll material to cover the top of the sheet material positioning table 11. This design makes the operation more convenient and seamless, effectively improving the adhesive material transfer efficiency and the practicality of the fixture.

[0041] In one possible implementation, the same material rack includes two support plates 41, which are respectively disposed on both sides of the base 1, and the spindle 42 is connected between the two support plates 41.

[0042] As an alternative to the above embodiments, in one possible implementation, see Appendix Figure 1 The same material rack includes a support plate 41 located on one side of the base 1. One end of the mandrel 42 is connected to the support plate 41, and the other end faces the other side of the base 1. A groove 421 along the axis is provided on the outer surface of the mandrel 42. This alternative material rack design is ingenious. Only one support plate 41 is provided on one side of the base 1, and one end of the mandrel 42 is connected to the support plate 41, with the other end facing the other side of the base 1, resulting in a simpler structure and saving space. The groove 421 along the axis on the outer surface of the mandrel 42 allows for the placement of a matching magnet within the groove 421. This magnetic restraint effectively prevents the rolled material from sliding out along the mandrel 42. Furthermore, by adjusting the position of the magnet in the groove 421, it can accommodate rolled materials of different widths, greatly enhancing the versatility and practicality of the fixture and bringing greater convenience to sheet-to-roll operations.

[0043] In one possible implementation, the air pressure source is connected to the adsorption hole 111 via a pipeline. The air pressure source is controlled by a foot switch, which is existing technology and can be directly purchased as a finished product. In this implementation, the air pressure source is connected to the adsorption hole 111 via a pipeline and controlled by a foot switch. This ingenious design greatly optimizes the operation process. Operators can easily control the adsorption state of the adsorption hole 111 via the foot switch, eliminating the need for manual operation and completely freeing their hands. As a result, during key operations such as pressing down the pressure plate 7 and changing the adhesive, hands are freed up, making operation more convenient and smooth, effectively improving overall work efficiency, and reducing operational complexity and fatigue.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A jig for converting a sheet material into a roll material, characterized by comprising: include: The base (1) is provided with a protruding sheet positioning platform (11), and the top surface of the sheet positioning platform (11) is provided with an adsorption hole (111). The adsorption hole (111) is connected to an air pressure source and can generate positive or negative pressure. It also includes a positioning frame (2), in which a through cavity is provided in the middle. The cross section of the through cavity matches the cross section of the sheet positioning table (11). The thickness of the positioning frame (2) is less than the protrusion height of the sheet positioning table (11). On the base (1), a vertical guide rod (12) is provided on the outside of the sheet positioning platform (11), the positioning frame (2) is slidably connected to the guide rod (12), and a first elastic element (3) is provided between the positioning frame (2) and the base (1); under the elastic force of the first elastic element (3), initially, the positioning frame (2) is located within the height range of the top surface of the sheet positioning platform (11).

2. The apparatus for converting a sheet material to a roll material as recited in claim 1, wherein: It also includes a first material rack (4) and a second material rack (5), which are arranged opposite to each other at both ends of the sheet material positioning table (11); the material rack includes a support plate (41) connected to the base (1) and a mandrel (42) connected to the support plate (41), the mandrel (42) being used to load the roll material.

3. The apparatus for converting a sheet material to a roll material as recited in claim 1, wherein: It also includes a top plate (6) and a bottom plate (7). The top plate (6) is fixedly disposed on the upper end of the guide rod (12), and the bottom plate (7) is slidably disposed between the top plate (6) and the positioning frame (2). The bottom plate (7) is suspended from the top plate (6) by a second elastic element.

4. The jig for sheet to roll material as described in claim 3, characterized in that: The bottom of both ends of the lower pressure plate (7) is provided with downward protruding abutment posts (71), and the abutment posts (71) correspond to the positioning frame (2) and penetrate through the outside of the cavity.

5. The jig for sheet to roll material as described in claim 4, characterized in that: The lower pressure plate (7) has a contact post (71) on each side of the same end, and a limit shaft (72) is provided between the two contact posts (71) at the same end. A limit gap (73) is provided between the limit shaft (72) and the bottom surface of the lower pressure plate (7).

6. The jig for sheet to roll material as described in claim 5, characterized in that: The coil material enters the bottom surface of the lower pressure plate (7) through the limiting gap (73) at one end of the lower pressure plate (7) and then exits through the limiting gap (73) at the other end of the lower pressure plate (7).

7. The jig for sheet to roll material as described in claim 2, characterized in that: The same material rack includes two support plates (41), which are respectively located on both sides of the base (1), and the spindle (42) is connected between the two support plates (41).

8. The jig for sheet to roll material as described in claim 2, characterized in that: The same material rack includes a support plate (41) located on one side of the base (1), and one end of the spindle (42) is connected to the support plate (41), while the other end faces the other side of the base (1).

9. The jig for sheet to roll material as described in claim 8, characterized in that: The outer surface of the mandrel (42) is provided with a groove (421) along the axis.

10. The jig for sheet to roll material as described in claim 1, characterized in that: The air pressure source is connected to the adsorption hole (111) through a pipeline, and the air pressure source is controlled by a foot switch.