Die cutting tool with assembly positioning holes and machining method
The die-cutting tool with C-shaped and extended knife lines addresses the issue of waste contamination and production disruption by integrating positioning holes, ensuring accurate assembly and efficient production of mobile phone components.
Patent Information
- Application Number
- CN202310667016.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-07
- Publication Date
- 2024-12-17
AI Technical Summary
The existing die-cutting process for mobile phone components, such as conductive fabrics and double-sided adhesive tapes, requires separate positioning holes that lead to waste material contamination and disrupt production rhythm due to the need for additional protective films.
A die-cutting tool with assembly positioning holes featuring C-shaped and extended knife lines, allowing for symmetrical placement on both sides of the product knife line, which reduces the need for separate protective films and minimizes waste contamination.
The solution effectively eliminates waste material contamination and maintains production efficiency by integrating positioning holes within the die-cutting process, thereby enhancing the assembly accuracy and reducing material waste.
Smart Images

Figure CN119141640A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of die cutting processing, and relates to a die cutting tool with an assembly positioning hole and a processing method. Background Art
[0002] With the development of technology, the functions of mobile phones are becoming more and more powerful, while the size of mobile phones is getting smaller and smaller, which puts more stringent requirements on die-cut products. The complexity of die-cut products is also becoming more difficult, and more products need to be assembled manually.
[0003] like Figure 1 and 2 The non-adhesive surface of a conductive fabric is partially covered with a small double-sided adhesive product, including a conductive fabric 1 with adhesive on one side, a double-sided adhesive 2 arranged on the conductive fabric 1, and a blue tear film 3 arranged on the double-sided adhesive 2. The die-cutting process is as follows Figures 3 to 6 As shown, the double-sided adhesive tape 2 and the tear film 3 are punched and formed together, and the conductive fabric 1 is punched and formed separately, and then the two are assembled to obtain a double-sided adhesive tape product:
[0004] The punching and forming of the conductive cloth 1 includes: the material strip to be punched includes a supporting protective film 9, a product supporting release film 8, and a single-sided adhesive conductive cloth 1 from bottom to top, using the following method: Figure 3 The tool shown, when punching, Figures 4-5 As shown, the concave-shaped product knife line punches to a layer of conductive cloth 1, and the circular positioning hole knife line 6 punches to a layer of product-bearing release film 8, and the result is as shown in FIG. Figure 6 Conductive fabric product strip shown.
[0005] The double-sided adhesive tape 2 and the tear film 3 are punched together to form a forming process, wherein the material strip to be punched includes, from bottom to top, an auxiliary release film 10, a double-sided adhesive tape 2, a tear film 3, and a load-bearing protective film 9. Figure 7 The tool shown, when punching, Figures 8-9 As shown, the L-shaped contour knife line 501 punches to a layer of double-sided adhesive 2, the straight knife line 502 punches to a layer of auxiliary release film 10, and the circular positioning hole knife line 6 punches to a layer of product-bearing release film 8, so as to obtain Fig.10 The double-sided tape and tear film product tape shown.
[0006] During assembly, Fig.11 As shown, in order to ensure the accuracy of assembly, positioning holes and a jig plate are usually required. Specifically, the positioning holes on the material strip are clamped onto the positioning pins on the jig plate for assembly.
[0007] However, in the actual die-cutting process, the positioning holes usually need to be made of a separate material, such as a supporting protective film 9, and the waste material punched out by the positioning holes is easy to contaminate the product and the machine, thereby affecting the production rhythm. Summary of the invention
[0008] The purpose of the present invention is to provide a die-cutting tool with an assembly positioning hole and a processing method.
[0009] The purpose of the present invention can be achieved by the following technical solutions:
[0010] A die-cutting tool with an assembly positioning hole, comprising a knife plate, a product knife line and a positioning hole knife line arranged on the knife plate, wherein the positioning hole knife lines are symmetrically arranged on both sides of the product knife line, and the positioning hole knife lines include C-shaped knife lines and extended knife lines arranged in parallel at the opening of the C-shaped knife line;
[0011] The C-shaped knife line is provided with an opening in a direction away from the product knife line.
[0012] Furthermore, the product cut line is a concave-shaped product cut line.
[0013] Furthermore, the product knife line is an L-shaped product knife line.
[0014] Furthermore, the material strip to be die-cut includes an upper layer to be die-cut close to the die-cutting tool, and a lower layer to be die-cut far away from the die-cutting tool, and the L-shaped product knife line includes an L-shaped contour knife line and a straight knife line arranged in the L-shaped contour knife line; the height of the straight knife line is lower than the L-shaped contour knife line, and the height difference between the two is not less than the thickness of the lower layer to be die-cut; one end of the straight knife line is connected to the inner right-angle bend of the L-shaped contour knife line, and the other end extends along one side of the L-shaped contour knife line until it is surrounded by the U-shaped contour line at the other side.
[0015] By setting the L-shaped contour knife line and the straight knife line, a straight die-cut product is punched out on the upper layer to be die-cut, and an L-shaped die-cut product is punched out on the lower layer to be die-cut.
[0016] Furthermore, the upper layer to be die-cut is a double-sided adhesive layer.
[0017] Furthermore, the lower layer to be die-cut is a release film layer.
[0018] Furthermore, perpendicular to the traveling direction of the material strip to be punched, the positioning hole cut lines are located on both sides of the product cut lines.
[0019] Furthermore, the extended knife lines are straight knife lines arranged in parallel.
[0020] Furthermore, the extending direction of the extended knife line is consistent with the opening direction of the C-shaped knife line.
[0021] Furthermore, the lengths of the extended knife lines arranged in parallel are consistent.
[0022] A method for processing a die-cut product with assembly positioning holes comprises using the die-cutting tool as described above to punch out product scoring lines and positioning hole scoring lines on at least two material strips, and then assembling the products on the two material strips according to the positioning hole scoring lines to obtain a die-cut product.
[0023] Compared with the prior art, the present invention has the following characteristics:
[0024] 1) The present invention changes the original complete hole into a C-shaped positioning hole with an opening, thereby saving twice the load-bearing protective film in the first step of manufacturing the product;
[0025] 2) The present invention provides a C-shaped positioning hole so that the positioning hole waste is retained on the product material strip and will not contaminate the product during production. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 , Figure 2 It is a structural schematic diagram of a die-cut product;
[0027] Figure 3 This is a schematic diagram of the structure of a tool for punching conductive fabric products;
[0028] Figure 4 This is a schematic diagram of the die-cutting process for conductive fabric products;
[0029] Figure 5 This is a schematic diagram of the punching depth of conductive fabric products;
[0030] Figure 6 It is a schematic diagram of the structure of the conductive fabric product strip;
[0031] Figure 7 It is a schematic diagram of the structure of the tool used for punching double-sided adhesive tape and tearing film products;
[0032] Figure 8 This is a schematic diagram of the die-cutting process for double-sided adhesive tape and tear-off mask products;
[0033] Fig. 9 This is a schematic diagram of the punching depth of double-sided adhesive tape and tear-off film products;
[0034] Fig.10 It is a schematic diagram of the structure of the double-sided adhesive tape and the tear-off mask product strip;
[0035] Fig.11 This is a schematic diagram of the assembly of the conductive fabric product, the double-sided adhesive tape, and the hand-tear film product;
[0036] Fig.12 It is a schematic structural diagram of a tool for punching a conductive cloth product with a C-shaped positioning hole in an embodiment;
[0037] Fig.13 Schematic diagram of punching depth of conductive fabric product in the embodiment;
[0038] Fig.14 It is a schematic diagram of the structure of a double-sided adhesive tape with a C-shaped positioning hole and a tool for punching a hand-tearing film product in an embodiment;
[0039] Fig.15 Schematic diagram of punching depth of double-sided adhesive tape and tear film products in the embodiment;
[0040] Description of the markings in the figure:
[0041] 1-conductive cloth, 2-double-sided tape, 3-tear film, 4-knife plate, 5-product knife line, 501-L-shaped contour knife line, 502-straight knife line, 6-positioning hole knife line, 601-C-shaped knife line, 602-extended knife line, 7-knife installation hole, 8-product bearing release film, 9-bearing protective film, 10-auxiliary release film. DETAILED DESCRIPTION
[0042] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. The following embodiments are implemented based on the above technical solution of the present invention, and provide detailed implementation methods and specific operation processes, but the protection scope of the present invention is not limited to the following embodiments.
[0043] Example:
[0044] like Fig.12 and Fig.14 A die-cutting tool with an assembly positioning hole is shown, comprising a knife plate 4, a product knife line 5 arranged on the knife plate 4, a positioning hole knife line 6 and a knife mounting hole 7, wherein the positioning hole knife line 6 is symmetrically arranged on both sides of the product knife line 5 perpendicular to the traveling direction of the material strip to be punched, and the positioning hole knife line 6 includes a C-shaped knife line 601 and an extended knife line 602 arranged in parallel at the opening of the C-shaped knife line 601.
[0045] Specifically, the C-shaped knife line 601 is opened in a direction away from the product knife line 5, the extended knife line 602 is a straight knife line arranged in parallel, and the extending direction of the extended knife line 602 is consistent with the opening direction of the C-shaped knife line 601, and the length of the extended knife line 602 is also consistent.
[0046] For the die-cut product shown in the figure, the product knife line 5 is a concave product knife line and an L-shaped product knife line. The material strip to be die-cut includes an upper layer to be die-cut close to the die-cutting tool and a lower layer to be die-cut away from the die-cutting tool. The L-shaped product knife line includes an L-shaped contour knife line and a straight knife line 502 arranged in the L-shaped contour knife line; the height of the straight knife line is lower than the L-shaped contour knife line 501, and the height difference between the two is not less than the thickness of the lower layer to be die-cut; one end of the straight knife line is connected to the right-angle bend inside the L-shaped contour knife line, and the other end extends along one side of the L-shaped contour knife line until it is surrounded by the U-shaped contour line at the other side. By setting the L-shaped contour knife line and the straight knife line, a straight die-cut product is punched out in the upper layer to be die-cut, and an L-shaped die-cut product is punched out in the lower layer to be die-cut synchronously.
[0047] Specifically, the upper layer to be die-cut is a double-sided adhesive layer, and the lower layer to be die-cut is a release film layer.
[0048] A method for processing a die-cut product with an assembly positioning hole, comprising:
[0049] The material strip to be punched includes, from bottom to top, a product-carrying release film 8 and a single-sided adhesive conductive fabric 1. Fig.12 The tool shown, when punching, Figures 4-5 As shown, the concave-shaped product knife line punches to a layer of conductive cloth 1, and the circular positioning hole knife line 6 punches to a layer of product-bearing release film 8, and the result is as shown in FIG. Figure 6 Conductive fabric product strip shown.
[0050] The double-sided adhesive tape 2 and the tear film 3 are punched together to form a forming process, wherein the material strip to be punched includes, from bottom to top, an auxiliary release film 10, a double-sided adhesive tape 2, a tear film 3, and a load-bearing protective film 9. Fig.13 The tool shown, when punching, Figures 8-9 As shown, the L-shaped contour knife line 501 punches to a layer of double-sided adhesive 2, the straight knife line 502 punches to a layer of auxiliary release film 10, and the circular positioning hole knife line 6 punches to a layer of product-bearing release film 8, so as to obtain Fig.10 The double-sided tape and tear film product tape shown.
[0051] The double-sided adhesive product is obtained by assembling the conductive fabric product tape, the double-sided adhesive tape and the tear film product tape.
[0052] The above description of the embodiments is to facilitate the understanding and use of the invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the scope of protection of the present invention.
Claims
1. A die-cutting tool with an assembly positioning hole, comprising a knife plate (4), a product knife line (5) and a positioning hole knife line (6) arranged on the knife plate (4), characterized in that: The positioning hole cutter line (6) is symmetrically arranged on both sides of the product cutter line (5), and the positioning hole cutter line (6) includes a C-shaped cutter line (601) and an extended cutter line (602) arranged in parallel at the opening of the C-shaped cutter line (601); The C-shaped knife line (601) is provided with an opening in a direction away from the product knife line (5).
2. A die-cutting tool with an assembly positioning hole according to claim 1, characterized in that: The product knife line (5) is a concave-shaped product knife line.
3. The die-cutting tool with assembly positioning holes according to claim 1, characterized in that: The product knife line (5) is an L-shaped product knife line.
4. The die-cutting tool with assembly positioning holes according to claim 1, characterized in that: The material strip to be die-cut includes an upper layer to be die-cut close to the die-cutting tool and a lower layer to be die-cut away from the die-cutting tool. The L-shaped product knife line includes an L-shaped contour knife line and a straight knife line arranged in the L-shaped contour knife line; The height of the straight knife line is lower than that of the L-shaped contour knife line, and the height difference between the two is not less than the thickness of the lower layer to be die-cut; One end of the straight knife line is connected to the inner right-angle bend of the L-shaped contour knife line, and the other end extends along one side of the L-shaped contour knife line until it is surrounded by the U-shaped contour line at the other side.
5. The die-cutting tool with assembly positioning holes according to claim 4, characterized in that: The upper layer to be die-cut is a double-sided adhesive layer.
6. The die-cutting tool with assembly positioning holes according to claim 4, characterized in that: The lower layer to be die-cut is a release film layer.
7. The die-cutting tool with assembly positioning holes according to claim 1, characterized in that: The positioning hole cutter lines (6) are located on both sides of the product cutter line (5) perpendicular to the traveling direction of the material strip to be punched.
8. The die-cutting tool with assembly positioning holes according to claim 1, characterized in that: The extended knife lines (602) are straight knife lines arranged in parallel.
9. The die-cutting tool with assembly positioning holes according to claim 1, characterized in that: The extending direction of the extended knife line (602) is consistent with the opening direction of the C-shaped knife line (601).
10. A method for processing a die-cut product with assembly positioning holes, characterized in that: The method comprises using the die-cutting tool as described in any one of claims 1 to 9 to punch out product score lines and positioning hole score lines on at least two material strips, and then assembling the products on the two material strips according to the positioning hole score lines to obtain a die-cut product.
Citation Information
Patent Citations
Die cutting device used for multilayer conductive fabric
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Bidirectional positioning etching cutting die
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Die-cutting cutter die assembly for machining coil stock products with non-universal step pitches
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