A material pressing mechanism for film material winding and a winding device

By using a cylinder-driven pressure roller mechanism and a flexible rubber roller design, the problems of uneven thickness, wrinkles, and glue overflow during the film winding process are solved, achieving flat film winding and automatic cutting, which is suitable for film materials of different thicknesses.

CN224477674UActive Publication Date: 2026-07-10CROWN TAICANG ADHESIVE PROD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CROWN TAICANG ADHESIVE PROD CO LTD
Filing Date
2025-07-14
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In existing technologies, membrane materials are prone to uneven thickness, wrinkles, and adhesive overflow during the winding process. In particular, uneven pressure from the pressure bar when winding membrane materials of different thicknesses affects product quality.

Method used

The pressure roller mechanism driven by a cylinder moves the pressure roller and the cutting blade through cylinders and cylinder combinations. Combined with the flexible design of the rubber roller, it achieves uniform pressure on the film material and automatic cutting, avoiding wrinkles and glue overflow.

Benefits of technology

It achieves flatness and uniformity in membrane winding, is suitable for winding membranes of different thicknesses, and improves product quality and ease of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of material pressing mechanism and winding device for film material winding, comprising: first cylinder, the output end of the first cylinder is hinged with mounting plate;Second cylinder, the second cylinder is located at one end of the mounting plate;Third cylinder, the output end of the third cylinder is connected with the output end of the second cylinder, and the output end of the third cylinder is equipped with material pressing roller.The material pressing mechanism and winding device for film material winding provided by the utility model can keep the surface of the film material flat during winding, avoid wrinkles or overflow during winding, and can also be applied to winding of film materials with different thicknesses, with wide practicality.
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Description

Technical Field

[0001] This utility model relates to the field of pressing mechanism technology, and in particular to a pressing mechanism and winding device for film material winding. Background Technology

[0002] In the manufacturing process of tapes or protective films, it is inevitable to use film materials as a substrate for coating or as a release material to aid in winding. After coating or applying release film, the film material is generally wound up for packaging, transportation, and subsequent cutting. Currently, when winding film materials, in order to ensure proper winding tension, pressure bars are usually added near the winding roller to hold the film material firmly against the surface of the winding roller, thus ensuring no gaps within the winding.

[0003] However, because the current pressure bars only assist in flattening the membrane material, the force applied to different parts of the pressure bar varies, resulting in inconsistent pressure on different areas of the membrane. In areas of high pressure, the membrane is compressed, causing the adhesive to deform under pressure. This leads to uneven thickness in some areas of the wound membrane. If the winding is too large, it can cause adhesive overflow at the ends, affecting the subsequent use of the membrane. Furthermore, for membrane materials of different thicknesses, the pressure bars are rarely adjusted during winding, resulting in inconsistent winding pressure on different thicknesses. This can cause wrinkles and deformation of the membrane during winding, affecting product quality. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to provide a pressing mechanism and winding device for film material winding, which can keep the surface of the film material flat during winding, avoid wrinkles or glue overflow during winding, and can also be applied to the winding of film materials of different thicknesses, with wide applicability.

[0005] To solve the above-mentioned technical problems, the first aspect of this utility model provides a pressing assembly for coiled materials, comprising: a first cylinder, the output end of which is hinged to a mounting plate; a second cylinder, which is disposed at one end of the mounting plate; and a third cylinder, which is connected to the output end of the second cylinder, and the output end of the third cylinder is provided with a pressing roller.

[0006] In one embodiment of this utility model, the output end of the third cylinder is connected to a mounting bracket, and the pressure roller is rotatably connected to the mounting bracket via a rotating shaft. The rotatable design of the pressure roller allows it to rotate while pressing the film material, which can make the pressure on the film material more even, resulting in better surface flatness and avoiding wrinkles or glue overflow during winding.

[0007] In one embodiment of this utility model, the mounting plate is connected to a third hinge block, and the output end of the first cylinder is connected to the mounting plate through the third hinge block.

[0008] In one embodiment of this utility model, the pressure roller is a rubber roller. The rubber roller is made of a relatively soft material and has a certain degree of elasticity, which can prevent uneven thickness caused by excessive pressure on the film material.

[0009] In one embodiment of this utility model, the outer diameter of the pressure roller is 30~100 mm.

[0010] In one embodiment of this utility model, the pressing mechanism further includes a fourth cylinder, which is connected to the output end of the third cylinder away from the second cylinder. The output end of the fourth cylinder is provided with a cutting blade. The cutting blade can automatically cut the film material after it has been wound up, which is convenient for operation.

[0011] In one embodiment of the present invention, the pressing mechanism further includes a support frame, the end of the first cylinder is hinged to the support frame via a first hinge block, and the other end of the mounting plate is hinged to the support frame via a second hinge block.

[0012] The second aspect of this utility model also provides a winding device, including the film winding pressing mechanism described in the first aspect of this utility model.

[0013] In one embodiment of the present invention, the winding device further includes a winding roller for winding the film material, and the cutting blade and the pressing roller are disposed above the winding roller and can be connected to the top of the winding roller.

[0014] The above-mentioned technical solution of this utility model has the following advantages compared with the prior art:

[0015] The present invention discloses a pressure mechanism and winding device for film winding. The first cylinder drives the mounting plate to move, so that the pressure roller and the cutting blade can move to a position close to the film winding position. Through the cooperation of the second cylinder and the third cylinder, and because the pressure roller can rotate freely, the pressure of the pressure roller on the film is more uniform, thereby making the film winding flatter and avoiding wrinkles during winding. Attached Figure Description

[0016] To make the content of this utility model easier to understand, the accompanying drawings involved in the embodiments of this utility model are briefly described below.

[0017] Figure 1 This is a schematic diagram of the structure of a pressing mechanism for film winding according to this utility model;

[0018] Figure 2 This is a schematic diagram of the assembly structure of the pressure roller of this utility model;

[0019] Figure 3 This is a schematic diagram of the winding device of this utility model when winding the film material.

[0020] Reference numerals: 1. Mounting plate; 2. First cylinder; 3. Second cylinder; 4. Third cylinder; 5. Fourth cylinder; 6. Film material; 7. Take-up roller; 11. Second hinge block; 12. Third hinge block; 21. First hinge block; 41. Mounting frame; 42. Pressure roller; 43. Rotating shaft; 51. Cutting knife. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0022] Reference Figure 1 As shown, a film winding pressing mechanism of the present invention includes: a first cylinder 2, the output end of the first cylinder 2 is hinged to a mounting plate 1; a second cylinder 3, the second cylinder 3 is disposed at one end of the mounting plate 1; and a third cylinder 4, the third cylinder 4 is connected to the output end of the second cylinder 3, and the output end of the third cylinder 4 is provided with a pressing roller 42.

[0023] In one embodiment, the mounting plate 1 is connected to a third hinge block 12, and the output end of the first cylinder 2 is connected to the mounting plate 1 through the third hinge block 12.

[0024] In one embodiment, refer to Figure 2 As shown, the output end of the third cylinder 4 is connected to a mounting bracket 41, and the pressure roller 42 is rotatably connected to the mounting bracket 41 via a rotating shaft 43. The bottom of the pressure roller 42 protrudes from the bottom of the mounting bracket, thereby allowing the bottom of the pressure roller 42 to press against the film material 6.

[0025] In one embodiment, the pressure roller 42 is a rubber roller, and the outer diameter of the pressure roller 42 is 30~100 mm.

[0026] In one embodiment, the pressing mechanism further includes a fourth cylinder 5, which is connected to the output end of the third cylinder 4 away from the second cylinder 3, and the output end of the fourth cylinder 5 is provided with a cutting blade 51.

[0027] In one embodiment, a support frame (not shown) is also included, with the end of the first cylinder 2 hinged to the support frame via a first hinge block 21, and the other end of the mounting plate 1 hinged to the support frame via a second hinge block 11.

[0028] Reference Figure 3As shown, this utility model also provides a winding device, which includes the above-mentioned pressure mechanism for winding the film material, and a winding roller 7 for winding the film material 6. The winding roller is driven by a drive unit (not shown in the figure) to wind the film material. The drive unit can be a rotary cylinder or a motor. The cutting blade 51 and the pressure roller 42 are located above the winding roller 7 and can be in contact with the top of the winding roller 7.

[0029] The film material winding pressing mechanism and winding device of this utility model, when winding the film material 6, the first cylinder 2 drives the pressing mechanism to move downwards towards the film material 6, so that the pressing roller 42 and the cutting blade 51 move close to the pressing position of the film material 6; the second cylinder 3 enables the pressing roller 42 to move laterally and adjust the pressing position, so that the pressure on the film material 6 is more uniform and the application is more flat; the third cylinder 4 drives the pressing roller 42 to move downwards to press the surface of the film material 6, and at the same time, the pressing roller 42 can automatically rotate as the film material 6 moves; after winding is completed, the fourth cylinder 5 drives the cutting blade 52 to cut the film material 6, completing the winding of the whole roll.

[0030] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A pressing mechanism for winding film material, characterized in that, include: The first cylinder has a mounting plate hinged to its output end; The second cylinder is located at one end of the mounting plate; The third cylinder is connected to the output end of the second cylinder, and the output end of the third cylinder is equipped with a pressure roller.

2. The pressing mechanism for film winding according to claim 1, characterized in that: The mounting plate is connected to a third hinge block, and the output end of the first cylinder is connected to the mounting plate through the third hinge block.

3. The pressing mechanism for film winding according to claim 1, characterized in that: The output end of the third cylinder is connected to a mounting bracket, and the pressure roller is rotatably connected to the mounting bracket via a rotating shaft.

4. The pressing mechanism for film winding according to claim 3, characterized in that: The pressure roller is a rubber roller.

5. The pressing mechanism for film winding according to claim 4, characterized in that: The outer diameter of the pressure roller is 30~100mm.

6. The film winding pressing mechanism according to claim 1 or 3, characterized in that: The pressing mechanism also includes a fourth cylinder, which is connected to the output end of the third cylinder away from the second cylinder, and the output end of the fourth cylinder is provided with a cutting blade.

7. The pressing mechanism for film winding according to claim 1, characterized in that: It also includes a support frame, with the end of the first cylinder hinged to the support frame via a first hinge block, and the other end of the mounting plate hinged to the support frame via a second hinge block.

8. A winding device, characterized in that, Includes the film winding pressing mechanism as described in any one of claims 1-7.

9. The winding device according to claim 8, characterized in that: It also includes a take-up roller for winding the film, a cutter and the pressure roller are located above the take-up roller and can be connected to the top of the take-up roller.