Large-size reinforcing cost-reducing coiling structure for new energy
By using a grid release film instead of a flat release film in the structure of new energy roll materials, the problem of poor air bubble formation after large-size roll materials are solved, resulting in cost reduction and efficiency improvement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-03-03
AI Technical Summary
In the new energy industry, when using FR4 internal shrinkage type pressure-sensitive adhesive series to produce large-size roll materials, the inability to expel air after suction and bonding leads to poor air bubble performance, and existing technologies are unable to effectively solve this problem.
By replacing the original planar release film with a grid release film, and transferring the structure on the grid release film onto the pressure-sensitive adhesive through roller pressing and winding, the vacuum fast pressing process is optimized, and a large-size reinforced cost-reducing roll material structure for new energy is designed.
It improved product yield, saved manufacturing costs, increased efficiency by about 5%, and reduced manufacturing costs to 0.015 yuan/PCS.
Smart Images
Figure CN223963436U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of new energy, and in particular to a large-size reinforced cost-reducing coil structure for new energy applications. Background Technology
[0002] With cost reduction in the new energy industry, when using FR4 internal shrinkage type pressure sensitive adhesive (PSA) series to make roll materials, whether using blue film or original release paper, the large product size makes it impossible to expel air after suction and application, resulting in defects such as air bubbles. How to avoid the generation of air bubbles is a problem that the die-cutting industry urgently needs to solve to reduce costs. Utility Model Content
[0003] To address the aforementioned issues, this utility model provides a large-size reinforcing and cost-reducing roll material structure for new energy applications. Specifically designed for FR4 internal shrinkage adhesive products in new energy, it addresses the bubble problem in pressure-sensitive adhesives by incorporating a mesh release film to replace the original planar release film. After the roll material is rolled, wound, and placed, the mesh on the release film is transferred onto the pressure-sensitive adhesive, optimizing the vacuum fast pressing process, improving product yield, and saving manufacturing costs.
[0004] According to one aspect of this utility model, a large-size reinforcing cost-reducing roll structure for new energy is provided, comprising a layer of pressure-sensitive adhesive, a layer of blue release film, and a layer of mesh release film. The blue release film is laminated to the bottom surface of the pressure-sensitive adhesive, and the mesh release film is laminated to the top surface of the pressure-sensitive adhesive. The release surface of the blue release film faces upward, and the release surface of the mesh release film faces downward. Two punched holes are formed at each end of the roll structure, and multiple square recessed areas are formed on the top surface of the mesh release film, arranged in multiple rows and columns.
[0005] In some embodiments, the roll structure has a length of 53 mm, a width of 20 mm, a thickness of 1.51 mm, and a tolerance of 0.15 mm. The advantage is that the relevant dimensions of the roll structure are described.
[0006] In some embodiments, one of the punches is circular, and the other punch has semi-circular ends and a square center. The advantage is that it describes alternative suitable shapes for the two punches.
[0007] In some embodiments, the diameter of the circular punch is 4 mm, and the total length of the other punch is 6 mm. The advantage is that the relevant dimensions of the two punches are described.
[0008] In some embodiments, the thickness of the pressure-sensitive adhesive is 0.1 mm. This is advantageous because it describes the relevant dimensions of the pressure-sensitive adhesive.
[0009] In some embodiments, the total thickness of the mesh release film is 0.11 mm, the thickness of the recessed area is 0.05 mm, the side length of the recessed area is 0.5 mm, and the distance between two adjacent recessed areas is 0.2 mm. The advantage is that the relevant dimensions of the mesh release film are described. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the layered structure of a large-size reinforcing and cost-reducing coil material for new energy applications, according to one embodiment of this utility model.
[0011] Figure 2 for Figure 1 The diagram shows a schematic representation of the structure of a large-size reinforced cost-reducing coil material for new energy applications.
[0012] Figure 3 for Figure 3 A schematic diagram of the top surface structure of the mesh release membrane is shown.
[0013] Figure 4 for Figure 1 The diagram shows a manufacturing equipment for a large-size reinforced cost-reducing coil structure used in new energy applications.
[0014] Figure 5 for Figure 4 A schematic diagram of the first punching device performing the first punching in the manufacturing equipment shown;
[0015] Figure 6 for Figure 4 The diagram shows the second punching device performing the second punching in the manufacturing equipment shown.
[0016] In the diagram: 1. Pressure-sensitive adhesive; 2. Blue release film; 3. Mesh release film; 4. Perforation; 5. Recessed area; 6. Matte white release film; 7. Low-tack film; 8. First punching equipment; 9. Second punching equipment. Detailed Implementation
[0017] The present invention will now be described in further detail with reference to the accompanying drawings.
[0018] like Figure 1-2 As shown, 2(a) is the top structure of the roll structure, and 2(b) is the side structure of the roll structure. The roll structure is composed of three layers of film composite material, with pressure-sensitive adhesive 1 as the middle layer, a blue release film 2 laminated on the bottom surface of the pressure-sensitive adhesive 1, and a mesh release film 3 laminated on the top surface of the pressure-sensitive adhesive 1. The release surface of the blue release film 2 faces upward, and the release surface of the mesh release film 3 faces downward.
[0019] Two punches 4 are formed at both ends of the coil structure. The two punches 4 can have different shapes. For example, one punch 4 is circular, and the other punch 4 has semi-circular ends and a square middle.
[0020] Preferably, the coiled material is generally yellow, with a length of 53 mm, a width of 20 mm, a thickness of 1.51 mm, and a tolerance of 0.15 mm. More preferably, the diameter of the circular punch 4 is 4 mm, the radius of the semicircles at both ends of the other punch 4 is 2 mm, and the length in the middle direction is 2 mm, so the total length is 6 mm.
[0021] Preferably, the pressure-sensitive adhesive 1 has a coating model of TESA68537 and a thickness of 0.1mm.
[0022] like Figure 3 As shown, 3(a) is part of the top surface structure of the mesh release membrane, and 3(b) is part of the side surface structure of the mesh release membrane. Multiple recessed areas 5 are formed on the top surface of the mesh release membrane 3 in multiple rows and columns. The recessed areas 5 are square.
[0023] Preferably, the total thickness of the mesh release film is 0.11 mm, the thickness of the recessed area 5 is 0.05 mm, the side length of the recessed area 5 is 0.5 mm, and the distance between two adjacent recessed areas 5 is 0.2 mm.
[0024] like Figure 4 As shown, the manufacturing method of this roll structure mainly includes the following steps:
[0025] S1: Apply blue release film 2 to the bottom surface of pressure-sensitive adhesive 1, wherein the release surface of blue release film 2 faces upward;
[0026] S1: A layer of matte white release film 6 is laminated on the top surface of pressure-sensitive adhesive 1, wherein the release surface of matte white release film 6 faces down, and a layer of low-tack film 7 is laminated on the bottom surface of blue release film 2, wherein the tack surface of low-tack film 7 faces up.
[0027] S2: Perform the first punching using the first punching device 8, such as... Figure 5 As shown, the first punch cuts into the pressure-sensitive adhesive 1 and the low-tack film 7 respectively, thereby cutting out the shape of the product and cutting off the excess film material;
[0028] S3: Discharge the waste generated during the first punching;
[0029] S4: Perform a second punching using the second punching device 9, such as... Figure 6 As shown, the second punching
[0030] S5: Discard the waste from matte white release film 6 and low-tack film 7 respectively;
[0031] S6: Composite mesh release film 3 onto the top surface of pressure-sensitive adhesive 1 from above, wherein the release surface of mesh release film 3 faces downward;
[0032] S7: After receiving the material and performing manual cutting and inspection, the mesh on the release film is transferred to the pressure-sensitive adhesive 1.
[0033] The large-size reinforcing and cost-reducing coil structure for new energy applications in this utility model mainly has the following characteristics:
[0034] Beneficial effects:
[0035] 1. No need to redesign the mold, lower investment required.
[0036] 2. It can save one FR4 vacuum fast pressing process, thus optimizing the processing flow;
[0037] 3. Compared with existing technologies such as blue film or original release paper, it improves efficiency by about 5%;
[0038] 4. The manufacturing cost reaches 0.015 yuan / PCS, which saves manufacturing costs compared with existing technologies.
[0039] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.
Claims
1. A large-size reinforced cost-reducing coil structure for new energy applications, characterized in that: The material includes a pressure-sensitive adhesive layer (1), a blue release film layer (2), and a mesh release film layer (3). The blue release film (2) is bonded to the bottom surface of the pressure-sensitive adhesive layer (1), and the mesh release film (3) is bonded to the top surface of the pressure-sensitive adhesive layer (1). The release surface of the blue release film (2) faces upward, and the release surface of the mesh release film (3) faces downward. Two punches (4) are formed at each end of the roll structure. Multiple recessed areas (5) are formed on the top surface of the mesh release film (3) in multiple rows and columns. The recessed areas (5) are square.
2. The large-size reinforced cost-reducing coil structure for new energy applications according to claim 1, characterized in that: The roll structure has a length of 53mm, a width of 20mm, a thickness of 1.51mm, and a tolerance of 0.15mm.
3. The large-size reinforced cost-reducing coil structure for new energy applications according to claim 1, characterized in that: One of the punches (4) is circular, and the other punch (4) has semicircular ends and a square middle.
4. The large-size reinforced cost-reducing coil structure for new energy applications according to claim 3, characterized in that: The diameter of the circular punch (4) is 4 mm, and the total length of the other punch (4) is 6 mm.
5. The large-size reinforced cost-reducing coil structure for new energy applications according to claim 1, characterized in that: The thickness of the pressure-sensitive adhesive is 0.1 mm.
6. The large-size reinforced cost-reducing coil structure for new energy applications according to claim 1, characterized in that: The total thickness of the mesh release film (3) is 0.11 mm, the thickness of the recessed area (5) is 0.05 mm, the side length of the recessed area (5) is 0.5 mm, and the distance between two adjacent recessed areas (5) is 0.2 mm.