PC sheet die cutting processing technology
Patent Information
- Application Number
- CN202510949773.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-10
- Publication Date
- 2025-11-07
AI Technical Summary
In existing technologies, PC materials are formed in bulk, resulting in low processing efficiency and low yield.
A two-step punching process is adopted to combine PC material with double-sided adhesive to form a composite product. Then, the waste material is punched out and the connecting part is cut off to form a PC sheet, which reduces deformation and improves molding efficiency and yield.
The two-step punching process enables efficient forming of PC sheets, improving forming efficiency and yield, and reducing the degree of deformation of PC sheets.
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Figure CN120902304A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the die cutting technical field, in particular to a PC sheet die cutting processing technology. BACKGROUND
[0002] In the related art, PC sheet, also known as polycarbonate sheet, is a kind of amorphous, odorless, nontoxic, highly transparent, colorless or slightly yellow thermoplastic engineering plastic. At present, the processing line mostly adopts a CNC machine tool to perform forming processing on PC material, but the PC material after CNC processing is in the form of bulk material, so workers still need to individually adhere or perform other processing on the bulk material for subsequent processing, thereby causing a substantial reduction in efficiency. SUMMARY
[0003] The application aims to at least solve one of the technical problems in the prior art. To this end, the application provides a PC sheet die cutting processing technology, which can realize PC sheet forming through two-step punching and has high forming efficiency and high yield.
[0004] The PC sheet die cutting processing technology according to the application comprises the following steps: the PC material of the roll material is compounded with one side of the double-sided adhesive compound product provided with second double-sided adhesive to form a first compound product; after the first compound product is punched and the first waste material is discharged, a second compound product is obtained; wherein the PC material in the second compound product forms a connecting part and a PC sheet connected with the connecting part, and the first waste material is located at the outer edge of the PC sheet; and the connecting part of the PC sheet is cut off to form a third compound product.
[0005] The PC sheet die cutting processing technology according to the application has at least the following beneficial effects: the PC sheet die cutting processing technology is mainly realized through the following steps: firstly, the PC material of the roll material is adhered to one side of the double-sided adhesive compound product provided with second double-sided adhesive, and the first compound product is obtained after the adhering; then the first compound product is punched to cut out the first waste material, so that the second compound product is obtained after the first waste material is discharged, the second compound product comprises the PC material after punching, the PC material after punching forms a PC sheet and a connecting part connected with the PC sheet, and the first waste material after cutting off contains the material originally located between the PC sheet and the connecting part, so that the toughness and tension of the PC sheet are released before the PC sheet is completely cut out, so as to reduce the degree of deformation of the PC sheet after the PC sheet and the connecting part are cut off, and improve the yield of the PC sheet; therefore, the PC sheet die cutting processing technology according to the application realizes PC sheet forming through two-step punching, has high forming efficiency and high yield.
[0006] According to some embodiments of the application, the area of the second double-sided adhesive is less than or equal to the area of the PC sheet, and the PC sheet completely covers the second double-sided adhesive.
[0007] According to some embodiments of the present application, the method further comprises the following steps: removing the connecting part on the third composite to obtain a fourth composite.
[0008] According to some embodiments of the present application, the method further comprises the following steps: combining the first protective film with adhesion with one side of the fourth composite with the PC sheet to form a sixth composite.
[0009] According to some embodiments of the present application, the method further comprises the following steps: preparing a glue product, the glue product comprising a first double-sided tape and a first release film and a second release film respectively located on two sides of the first double-sided tape; removing the second release film on the glue product to form a fifth composite.
[0010] According to some embodiments of the present application, the method further comprises the following steps: die cutting one side of the fifth composite with the first double-sided tape, so that the first double-sided tape forms a second double-sided tape and glue waste; removing the glue waste to obtain a double-sided tape composite.
[0011] According to some embodiments of the present application, the first release film is attached with a bottom support film on the side away from the second double-sided tape.
[0012] According to some embodiments of the present application, the method further comprises the following steps: removing the first release film and the bottom support film on the sixth composite to obtain a seventh composite.
[0013] According to some embodiments of the present application, the method further comprises the following steps: combining one side of the seventh composite with the second double-sided tape with a white material tape to form an eighth composite; removing the first protective film on the eighth composite to form a finished product.
[0014] According to some embodiments of the present application, the PC sheet is rectangular, the first waste is three edges of the outer edge of the PC sheet, the width of the PC sheet is 0.3 mm and the thickness is 0.76 mm±0.1.
[0015] Additional aspects and advantages of the present application will be partially given in the following description, partially will become apparent from the following description, or will be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0016] The present application will be further described below in conjunction with the drawings and examples, wherein:
[0017] Fig. 1 It is a structural schematic diagram of the second composite in the PC sheet die cutting process of the present application.
[0018] Fig. 2 It is a structural schematic diagram of the third composite in the PC sheet die cutting process of the present application.
[0019] Reference signs:
[0020] Double-sided adhesive tape composite 100; PC sheet 200; connecting portion 300. DETAILED DESCRIPTION
[0021] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components are denoted by the same or similar reference numerals throughout the drawings. The embodiments described below by reference to the accompanying drawings are exemplary and are for the purpose of explanation only, and are not to be understood as limiting the present application.
[0022] In the description of the present application, it is to be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0023] In the description of the present application, if the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. is understood as not including the number, above, below, etc. is understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of indicated technical features.
[0024] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.
[0025] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0026] Reference is made below Figs. 1-2 The PC sheet 200 die cutting process of the embodiment of the present application is described.
[0027] As Figs. 1-2As shown, the PC sheet 200 die cutting process according to the embodiment of the application includes the following steps: the PC material of the roll is compounded with the side of the double-sided adhesive tape composite 100 with the second double-sided adhesive tape to form a first composite; after cutting the first composite and removing the first waste, a second composite is obtained; wherein the PC material in the second composite forms a connecting part 300 and a PC sheet 200 connected by the connecting part 300, and the first waste is located at the outer edge of the PC sheet 200; and the connecting part between the PC sheet 200 and the connecting part 300 is cut off to form a third composite.
[0028] It can be understood that the PC sheet 200 die cutting process is mainly realized by the following steps: first, the PC material of the roll is attached to the side of the double-sided adhesive tape composite 100 with the second double-sided adhesive tape, and after attachment, a first composite is obtained; then the first composite is cut, and the first waste is cut out, so that after the first waste is removed, a second composite is obtained, the second composite includes the PC material after cutting, the PC material after cutting forms a PC sheet 200 and a connecting part 300 connecting the PC sheet 200, and the first waste cut off includes the material originally located between the PC sheet 200 and the connecting part 300, so that the toughness and tension are released before the separate PC sheet 200 is completely cut out, so as to reduce the degree of deformation of the PC sheet 200 after the PC sheet 200 and the connecting part 300 are cut off, and improve the yield of the PC sheet 200; therefore, the PC sheet 200 die cutting process of the application realizes the forming of the PC sheet 200 by two-step cutting, and has high forming efficiency and high yield.
[0029] It can be understood that the area of the second double-sided adhesive tape is less than or equal to the area of the PC sheet 200, and the PC sheet 200 completely covers the second double-sided adhesive tape. For example, in the embodiment, the PC sheet 200 in the third composite completely covers the second double-sided adhesive tape on the double-sided adhesive tape composite 100, so as to realize the adhesion of the PC sheet 200 material, and no excess adhesive material is exposed, avoiding mutual adhesion, and facilitating subsequent processing.
[0030] It can be understood that it further includes the following steps: removing the connecting part 300 on the third composite to obtain a fourth composite. For example, as shown in the embodiment, after the connecting part 300 on the third composite is removed, a structure with the PC sheet 200 on the double-sided adhesive tape composite 100 is obtained. Figs. 1-2
[0031] It can be understood that it further includes the following steps: the adhesive first protective film is compounded with the side of the fourth composite with the PC sheet 200 to form a sixth composite. For example, in the embodiment, the first protective film has a certain adhesion, and is attached to the side of the PC sheet 200 on the fourth composite, so as to obtain the sixth composite.
[0032] It can be understood that the method further comprises the following steps: preparing the adhesive product, the adhesive product comprising the first double-sided adhesive tape and the first release film and the second release film respectively attached to two sides of the first double-sided adhesive tape; and removing the second release film on the adhesive product to form the fifth composite product. For example, in the embodiment, the adhesive product with the first double-sided adhesive tape and the first release film and the second release film attached to two sides of the first double-sided adhesive tape is prepared first, and then the second release film is removed to expose one side of the first double-sided adhesive tape.
[0033] It can be understood that the method further comprises the following steps: die cutting the fifth composite product on the side with the first double-sided adhesive tape, so that the first double-sided adhesive tape forms the second double-sided adhesive tape and adhesive waste; and removing the adhesive waste to obtain the double-sided adhesive composite product 100. For example, in the embodiment, the side of the fifth composite product with the first double-sided adhesive tape is die cut, so that the first double-sided adhesive tape forms the second double-sided adhesive tape and the adhesive waste, and the adhesive waste is removed to obtain the double-sided adhesive composite product 100.
[0034] It can be understood that the side of the first release film away from the second double-sided adhesive tape is attached with the backing film. For example, in the embodiment, the side of the first release film away from the second double-sided adhesive tape is further attached with the backing film, so that the positioning holes on the backing film are used to align the processing of the first double-sided adhesive tape, thereby improving the processing accuracy.
[0035] It can be understood that the method further comprises the following steps: removing the first release film and the backing film on the sixth composite product to obtain the seventh composite product. For example, in the embodiment, the first release film and the backing film on the sixth composite product are removed to obtain the first protective film with the PC sheet 200 and the second double-sided adhesive tape, i.e., the seventh composite product.
[0036] It can be understood that the method further comprises the following steps: attaching the side of the seventh composite product with the second double-sided adhesive tape to the white material tape to form the eighth composite product; and removing the first protective film on the eighth composite product to form the finished product. For example, in the embodiment, the side of the seventh composite product with the adhesive tape is attached to the white material tape, and then the first protective film is removed to obtain the structure of the white material tape with the second double-sided adhesive tape and the PC sheet 200 sequentially attached thereto, i.e., the finished product.
[0037] It can be understood that the PC sheet 200 is rectangular, the first waste material is three edges of the PC sheet 200, the width of the PC sheet 200 is 0.3 mm, and the thickness of the PC sheet 200 is 0.76 mm±0.1. For example, in the embodiment, the PC sheet 200 is rectangular, three edges of the PC sheet 200 connected to the connecting part 300 are cut off in the first punching, and the last edge of the PC sheet 200 connected to the connecting part 300 is cut off in the second punching, thereby improving the processing yield.
[0038] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
Claims
1. A PC sheet die cutting process characterized by, The method comprises the following steps: The PC material of the roll material is compounded with one side of the double-sided adhesive product with the second double-sided adhesive to form a first compound product; After punching and discharging the first waste material cut through the first compound product, a second compound product is obtained; wherein the PC material in the second compound product forms a connecting part and a PC sheet connecting the connecting part, and the first waste material is located at the outer edge of the PC sheet; The connecting part of the PC sheet and the connecting part is cut off to form a third compound product.
2. The PC sheet die cutting process according to claim 1, wherein, The area of the second double-sided adhesive is less than or equal to the area of the PC sheet, and the PC sheet completely covers the second double-sided adhesive.
3. The PC sheet die cutting process of claim 1, wherein, The method further comprises the following steps: The connecting part on the third compound product is discharged to obtain a fourth compound product.
4. The PC sheet die cutting process of claim 3, wherein, The method further comprises the following steps: The first protective film with adhesion is compounded with one side of the fourth compound product with the PC sheet to form a sixth compound product.
5. The PC sheet die cutting process of claim 4, wherein, The method further comprises the following steps: A rubber product is prepared, and the rubber product comprises a first double-sided adhesive and a first release film and a second release film located on two sides of the first double-sided adhesive respectively; The second release film on the rubber product is discharged to form a fifth compound product.
6. The PC sheet die cutting process of claim 5, wherein, The method further comprises the following steps: The fifth compound product with the first double-sided adhesive is die-cut on one side so that the first double-sided adhesive forms the second double-sided adhesive and rubber waste; The rubber waste is discharged to obtain a double-sided adhesive compound product.
7. The PC sheet die cutting process of claim 6 wherein, The first release film away from the second double-sided adhesive is attached with a bottom support film.
8. The PC sheet die cutting process of claim 7, wherein, The method further comprises the following steps: The first release film and the bottom support film on the sixth compound product are discharged to obtain a seventh compound product.
9. The PC sheet die cutting process of claim 8, wherein, The method further comprises the following steps: One side of the seventh compound product with the second double-sided adhesive is compounded with a white material belt to form an eighth compound product; The first protective film on the eighth compound product is discharged to form a finished product.
10. The PC sheet die cutting process of claim 1 wherein, The PC sheet is rectangular, the first waste material is three edges of the outer edge of the PC sheet, the width of the PC sheet is 0.3 mm, and the thickness is 0.76 mm±0.1.