CN116160756A - Nested die cutting production process of waterproof back glue assembly with large and small specifications - Google Patents
Nested die cutting production process of waterproof back glue assembly with large and small specifications Download PDFInfo
- Publication number
- CN116160756A CN116160756A CN202310021717.3A CN202310021717A CN116160756A CN 116160756 A CN116160756 A CN 116160756A CN 202310021717 A CN202310021717 A CN 202310021717A CN 116160756 A CN116160756 A CN 116160756A
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- material belt
- film material
- waterproof
- small
- protective film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
- B26F1/42—Cutting-out; Stamping-out using a press, e.g. of the ram type having a pressure roller
Abstract
The invention discloses a nested die-cutting production process of a large-size waterproof back adhesive component, which is used for simultaneously producing a large-size waterproof back adhesive component and a small-size waterproof back adhesive component, wherein the large-size waterproof back adhesive component respectively comprises a protective film layer, a release film layer, a waterproof adhesive layer and a carrier film layer; the release film layer and the waterproof adhesive layer are in a closed annular frame shape, and a fracture line is formed at one corner of the release film layer; a handle part protruding out of the release film layer is arranged at one corner of the protective film layer; the production is carried out by adopting a high-speed rotary die cutting machine, and is divided into a large-specification production line unit and a small-specification production line unit. On the one hand, the process of the invention utilizes the waterproof gum waste generated in the production of the large-specification waterproof gum component to produce the small-specification waterproof gum component, thereby improving the utilization rate of main materials, reducing waste and saving cost, realizing the simultaneous production of the large-specification waterproof gum component and the small-specification waterproof gum component on the same production line, improving the utilization rate of production line equipment, and improving productivity and production efficiency.
Description
Technical Field
The invention relates to the technical field of die cutting of high-speed circular knives, in particular to a nested die cutting production process of a waterproof back adhesive assembly with a large specification and a small specification.
Background
The die-cutting components are used in a large amount in the production and assembly of electronic products, such as components of waterproof back glue, conductive cloth and the like, some components with hollow annular structures are large in product size, but the whole reserved area is only a small part of the edge, so that inner frame waste with large area is generated in the production process, and for main materials such as the back glue and the conductive cloth with high cost, how to further utilize the generated large-area waste in the production of a large-size product becomes the key for reducing the cost of enterprises and improving the utilization rate of materials and equipment, and is also the key for enterprises to obtain orders. This is a common knowledge of many enterprises, and the Chinese patent application publication No. CN101898370A "Combined nested die cutting Process", CN104708670A "dislocation overprinting Process for adhesive-backed products suitable for electronic materials" and other documents are mentioned. However, although the related concepts proposed by the above documents for the rational utilization of waste materials, the production processes thereof are obviously not versatile for products of different hierarchical structures and constructions, requiring the development of more suitable processes.
Disclosure of Invention
The invention aims at providing a nested high-speed die-cutting process capable of simultaneously producing two sizes of back adhesive components aiming at the back adhesive components with hollow annular main materials.
In order to achieve the above purpose, the present invention provides the following technical solutions: the nested die-cutting production process of the large-size waterproof back adhesive component comprises the step of simultaneously producing the large-size waterproof back adhesive component and the small-size waterproof back adhesive component, wherein the large-size waterproof back adhesive component comprises a protective film layer, a release film layer, a waterproof adhesive layer and a carrier film layer; the release film layer and the waterproof adhesive layer are in a closed annular frame shape, and a fracture line is formed at one corner of the release film layer; the outer contour line of the release film layer and the outer contour line of the waterproof adhesive layer are overlapped with the outer contour line of the protective film layer, and a handle part protruding out of the release film layer is arranged at one corner of the protective film layer; the inner edge contour line of the release film layer protrudes inwards from the inner edge contour line of the waterproof adhesive layer (namely, the release film layer completely covers the waterproof adhesive layer; the outer contour line of the carrier film layer completely covers the outer contour line of the protective film layer);
the production is carried out by adopting a high-speed rotary die-cutting machine which is divided into a large-specification production line unit and a small-specification production line unit, and the production process comprises the following steps:
step a, in a large-size production line unit, compounding a first protective film material belt for producing a large-size waterproof back glue component with a first backing film material belt, die-cutting by a first circular knife die-cutting roller set, forming a handle part contour line on the first protective film material belt, removing a self-carrying film of the first protective film material belt, die-cutting by a second circular knife die-cutting roller set after compounding a first release film material belt on the first protective film material belt, forming a breaking line on the first release film material belt, compounding a waterproof glue material belt on the first release film material belt, stripping the self-carrying film of the waterproof glue material belt, compounding a first transition film, die-cutting by a third circular knife die-cutting roller set, forming an inner edge contour line of a large-size waterproof glue layer on the waterproof glue material belt, discharging an inner frame waterproof glue block within the inner edge contour line of the waterproof glue material belt by a first waste discharge tape, and guiding the waterproof glue block to a small-size production line unit; at this time, the composite material belts on the large-scale production line units are sequentially from bottom to top: the first support bottom film material belt, the first protective film material belt, the first release film material belt, the waterproof glue material belt with the inner frame outline of the large-size waterproof glue layer formed, and the first transition film material belt;
removing a first transition film material belt, compositing a second backing film on the material belt Fang Fuge, and below the material belt, die-cutting by a fourth circular knife die-cutting roller group, forming the peripheral outline of a large-specification protective film layer on the first protective film material belt, forming the peripheral outline of a large-specification protective film layer on the first release film material belt and the waterproof glue material belt, removing the second transition film material belt and outer frame waste (including protective film waste, first release film waste, second transition film waste and the like) except the large-specification protective film layer, and removing the second backing film material belt from below;
then die cutting is carried out on the material belt Fang Fuge third transition film material belt through a fifth circular knife die cutting roller set, the inner edge contour line of the large-specification release film layer is formed on the first release film material block, then inner frame waste materials are removed, third transition film material belt waste materials are removed, finally the material belt is compounded with the first carrier film material belt, die cutting sections are carried out on the material belt through the sixth circular knife die cutting roller set, and the first backing film material belt is removed from the lower side, so that a finished product of the large-specification waterproof back adhesive assembly is obtained;
step b, in the small-specification production line unit, compounding a second protective film material belt for producing the small-specification waterproof back glue component with a third backing film material belt, then performing die cutting through a seventh circular knife die cutting roller set, forming a handle part contour line of a small-specification protective film layer on the second protective film material belt, removing a self-carrying film of the second protective film material belt, compounding a second release film material belt on the second protective film material belt, then performing die cutting through the eighth circular knife die cutting roller set, and forming a breaking line on the second release film material belt;
the method comprises the steps of compounding a fourth transition film material belt on a first waste discharge adhesive tape and a waterproof adhesive block on the first waste discharge adhesive tape, peeling the first waste discharge adhesive tape, compounding the first waste discharge adhesive tape on a second release film material belt, performing die cutting through a ninth circular knife die cutting roller set, forming an inner edge contour line of a small-size waterproof adhesive layer on the waterproof adhesive block, performing die cutting through a tenth circular knife die cutting roller set after compounding a fifth transition film material belt, forming an inner edge contour line of a small-size release film layer on the second release film material belt, removing the fifth transition film material belt and a fourth transition film material belt waste attached to the fifth transition film material belt, and removing inner frame waste in the small-size release film layer through the second waste discharge adhesive tape, wherein the steps are as follows: the third support bottom film material belt, the second protective film material belt, the second release film material belt with an inner frame contour line and the small-specification waterproof glue layer with the inner frame contour line; then compounding a fourth backing film material belt below the third backing film material belt, carrying out die cutting on a Fang Fuge sixth transition film material belt on the small-specification waterproof adhesive layer, carrying out die cutting on the eleventh round-knife die-cutting roller group, forming a peripheral outline of the small-specification protective film layer on the second protective film material belt, forming a peripheral outline of the small-specification on the second release film material belt and the small-specification waterproof adhesive layer, then removing waste materials of the sixth transition film material belt and waste materials of the outer frame, removing waste materials of the inner frame, removing the fourth backing film material belt, compounding a second carrier film material belt, cutting on the twelfth round-knife die-cutting roller group, and removing the third backing film material belt from the lower side to obtain a finished product of the small-specification waterproof back adhesive assembly.
According to the process disclosed by the invention, on one hand, waterproof gum waste generated in the production of the large-specification waterproof gum component is utilized to produce the small-specification waterproof gum component, so that the utilization rate of a main material is improved, the waste is reduced, the cost is saved, the simultaneous production of the large-specification waterproof gum component and the small-specification waterproof gum component on the same production line can be realized, the utilization rate of production line equipment is improved, the productivity and the production efficiency are improved, and the market demand is further met.
Drawings
Fig. 1 and fig. 2 are schematic diagrams of a film layer of a large-size waterproof adhesive-backed component and a small-size waterproof adhesive-backed component according to an embodiment of the present invention;
fig. 3 is a process flow diagram of the nested die cutting production process of the present invention.
The roller on which the letter U is located in the figure is a collecting roller for collecting waste or self-carrying film.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, the nested die-cutting production process of the large-size waterproof back adhesive component of the present invention simultaneously produces a large-size waterproof back adhesive component (as shown in fig. 1) and a small-size waterproof back adhesive component (as shown in fig. 2), wherein the large-size waterproof back adhesive component 1 and the small-size waterproof back adhesive component 2 respectively comprise a protective film layer 11 (21), a release film layer 12 (22), a waterproof adhesive layer 13 (23) and a carrier film layer 14 (24); the release film layer 12 (22) and the waterproof adhesive layer 13 (23) are in a closed annular frame shape, and a fracture line 121 (221) is formed at one corner of the release film layer 12 (22); the outer contour line of the release film layer 12 (22) and the outer contour line of the waterproof adhesive layer 13 (23) are overlapped with the outer contour line of the protective film layer 11 (21), and a handle part 111 (211) protruding out of the release film layer is arranged at one corner of the protective film layer 11 (21); the inner edge contour line of the release film layer 12 (22) protrudes inwards from the inner edge contour line of the waterproof adhesive layer 13 (23), namely the release film layer 12 (22) completely covers the waterproof adhesive layer 13 (23); the peripheral contour of the carrier film layer 14 (24) completely covers the peripheral contour of the protective film layer 11 (21);
the production is carried out by adopting a high-speed rotary die-cutting machine which is divided into a large-specification production line unit A1 and a small-specification production line unit A2, and the production process comprises the following steps of:
step a, in a large-size production line unit A1, compounding a first protective film material belt B1 for producing a large-size waterproof back adhesive component 1 with a first backing film material belt T1, then carrying out die cutting through a first circular cutter die cutting roller set M1, forming a handle part contour line on the first protective film material belt B1, removing a self-contained film B11 of the first protective film material belt B1, then compounding a first release film material belt L1 on the first protective film material belt B1, then carrying out die cutting through a second circular cutter die cutting roller set M2, forming a broken line on the first release film material belt L1, compounding a waterproof adhesive material belt J1 on the first release film material belt L1, stripping the waterproof adhesive material belt J1 from the self-contained film J11, compounding a first transition film G1, carrying out die cutting through a third circular cutter die cutting roller set M3, forming an inner edge contour line of a large-size waterproof adhesive layer 13 on the waterproof adhesive material belt J1, then carrying out die cutting through a second circular cutter die cutting roller set M2, compounding a break line on the large-size waterproof adhesive material belt J1 and guiding the inner edge contour line of the large-size waterproof adhesive layer 13 to the inner edge of the waterproof adhesive layer A2 of the waterproof adhesive tape unit; at this time, the composite material belts on the large-size production line unit A1 are sequentially from bottom to top: the first backing film material belt T1, the first protective film material belt B1, the first release film material belt L1, the waterproof glue material belt J1 with the inner frame outline of the large-size waterproof glue layer formed, and the first transition film material belt G1;
then removing the first transition film material belt G1, compounding a second backing film T2 below the second transition film material belt G2 and the material belt on the material belt Fang Fuge, die-cutting by a fourth circular cutter die-cutting roller group M4, forming the peripheral outline of the large-specification protective film layer 11 (which forms a closed protective film layer peripheral outline together with the outline of the handle part) on the first protective film material belt B1, forming the large-specification peripheral outline on the first release film material belt L1 and the waterproof glue material belt J1, removing the second transition film material belt G2 and the outer frame waste (comprising protective film waste, first release film waste, second transition film waste and the like) except the large-specification protective film layer, and removing the second backing film material belt T2 from below;
then die cutting is carried out on the material belt Fang Fuge through a fifth circular knife die cutting roller set M5 after the third transition film material belt G3 is formed, the inner edge contour line of the large-specification release film layer is formed on the first release film material block, then inner frame waste materials are discharged, the third transition film material belt G3 waste materials are discharged, finally the material belt is compounded with the first carrier film material belt Z1, the sixth circular knife die cutting roller set M6 is used for die cutting and sectioning, and the first backing film material belt T1 is discharged from the lower side, so that the finished product of the large-specification waterproof back adhesive assembly 1 is obtained;
step B, in a small-specification production line unit A2, compounding a second protective film material belt B2 for producing the small-specification waterproof back adhesive component 2 with a third backing film material belt T3, then die-cutting through a seventh circular cutter die-cutting roller set M7, forming a handle part contour line of a small-specification protective film layer on the second protective film material belt B2, removing a self-carrying film B21 of the second protective film material belt B2, compounding a second release film material belt L2 on the second protective film material belt B2, then die-cutting through an eighth circular cutter die-cutting roller set M8, and forming a breaking line 221 on the second release film material belt L2;
the method comprises the steps of compounding a fourth transition film material belt G4 on a first waste discharge adhesive tape P1 guided from a large-size production line unit A1 and a waterproof adhesive block on the first waste discharge adhesive tape P1, peeling the first waste discharge adhesive tape P1, compounding the first waste discharge adhesive tape P1 on a second release film material belt L2, carrying out die cutting through a ninth circular knife die cutting roller set M9, forming an inner edge contour line of a small-size waterproof adhesive layer on the waterproof adhesive block, compounding a fifth transition film material belt G5, carrying out die cutting through a tenth circular knife die cutting roller set M10, forming an inner edge contour line of a small-size release film layer on the second release film material belt L2, removing the fifth transition film material belt G5 and fourth transition film material belt G4 waste attached to the fifth transition film material belt G5, and removing small-size release film layer inner frame waste through the second waste discharge adhesive tape P2, so as to form the following steps from bottom to top in sequence: the third backing film material belt T3, the second protective film material belt B2, the second release film material belt L2 with an inner frame contour line and the small-specification waterproof adhesive layer with the inner frame contour line; then a fourth backing film material belt T4 is compounded below the third backing film material belt T3, a sixth transition film material belt G6 is arranged on the small-specification waterproof adhesive layer Fang Fuge, die cutting is carried out through an eleventh round cutter die cutting roller set M11, a peripheral outline of the small-specification protective film layer (which forms a closed small-specification protective film layer integral peripheral outline with a handle part outline formed by die cutting of a seventh round cutter die cutting roller set M7) is formed on the second protective film material belt B2, meanwhile, a small-specification peripheral outline is formed on the second release film material belt L2 and the small-specification waterproof adhesive layer, then waste materials of the sixth transition film material belt G6 and waste materials of an outer frame are removed, waste materials of the inner frame are removed, the fourth backing film material belt T4 is removed, a second carrier film material belt Z2 is compounded, die cutting is carried out through a twelfth round cutter die cutting roller set M12, and the third backing film material belt T3 is removed from below, and a small-specification waterproof backing adhesive assembly is obtained.
According to the process disclosed by the invention, on one hand, waterproof gum waste generated in the production of the large-specification waterproof gum component is utilized to produce the small-specification waterproof gum component, so that the utilization rate of a main material is improved, the waste is reduced, the cost is saved, the simultaneous production of the large-specification waterproof gum component and the small-specification waterproof gum component on the same production line can be realized, the utilization rate of production line equipment is improved, the productivity and the production efficiency are improved, and the market demand is further met.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (1)
1. The nested die-cutting production process of the large-size waterproof back adhesive component comprises the step of simultaneously producing a large-size waterproof back adhesive component and a small-size waterproof back adhesive component, wherein the large-size waterproof back adhesive component and the small-size waterproof back adhesive component respectively comprise a protective film layer, a release film layer, a waterproof adhesive layer and a carrier film layer; the release film layer and the waterproof adhesive layer are in a closed annular frame shape, and a fracture line is formed at one corner of the release film layer; the outer contour line of the release film layer and the outer contour line of the waterproof adhesive layer are overlapped with the outer contour line of the protective film layer, and a handle part protruding out of the release film layer is arranged at one corner of the protective film layer; the inner edge contour line of the release film layer protrudes inwards from the inner edge contour line of the waterproof adhesive layer; the peripheral contour line of the carrier film layer completely covers the peripheral contour line of the protective film layer;
the production is carried out by adopting a high-speed rotary die-cutting machine which is divided into a large-specification production line unit and a small-specification production line unit, and the production process comprises the following steps:
step a, in a large-size production line unit, compounding a first protective film material belt for producing a large-size waterproof back glue component with a first backing film material belt, die-cutting by a first circular knife die-cutting roller set, forming a handle part contour line on the first protective film material belt, removing a self-carrying film of the first protective film material belt, die-cutting by a second circular knife die-cutting roller set after compounding a first release film material belt on the first protective film material belt, forming a breaking line on the first release film material belt, compounding a waterproof glue material belt on the first release film material belt, stripping the self-carrying film of the waterproof glue material belt, compounding a first transition film, die-cutting by a third circular knife die-cutting roller set, forming an inner edge contour line of a large-size waterproof glue layer on the waterproof glue material belt, discharging an inner frame waterproof glue block within the inner edge contour line of the waterproof glue material belt by a first waste discharge tape, and guiding the waterproof glue block to a small-size production line unit; at this time, the composite material belts on the large-scale production line units are sequentially from bottom to top: the first support bottom film material belt, the first protective film material belt, the first release film material belt, the waterproof glue material belt with the inner frame outline of the large-size waterproof glue layer formed, and the first transition film material belt;
removing the first transition film material belt, compositing a second backing film on the material belt Fang Fuge, and below the material belt, die-cutting by a fourth circular knife die-cutting roller group, forming the peripheral outline of the large-specification protective film layer (the peripheral outline of the closed protective film layer is formed by the peripheral outline of the large-specification protective film layer and the outline of the handle part) on the first protective film material belt, forming the peripheral outline of the large-specification protective film layer on the first release film material belt and the waterproof glue material belt, removing the second transition film material belt and the outer frame waste outside the large-specification protective film layer, and removing the second backing film material belt from below;
then die cutting is carried out on the material belt Fang Fuge third transition film material belt through a fifth circular knife die cutting roller set, the inner edge contour line of the large-specification release film layer is formed on the first release film material block, then inner frame waste materials are removed, third transition film material belt waste materials are removed, finally the material belt is compounded with the first carrier film material belt, die cutting sections are carried out on the material belt through the sixth circular knife die cutting roller set, and the first backing film material belt is removed from the lower side, so that a finished product of the large-specification waterproof back adhesive assembly is obtained;
step b, in the small-specification production line unit, compounding a second protective film material belt for producing the small-specification waterproof back glue component with a third backing film material belt, then performing die cutting through a seventh circular knife die cutting roller set, forming a handle part contour line of a small-specification protective film layer on the second protective film material belt, removing a self-carrying film of the second protective film material belt, compounding a second release film material belt on the second protective film material belt, then performing die cutting through the eighth circular knife die cutting roller set, and forming a breaking line on the second release film material belt;
the method comprises the steps of compounding a fourth transition film material belt on a first waste discharge adhesive tape and a waterproof adhesive block on the first waste discharge adhesive tape, peeling the first waste discharge adhesive tape, compounding the first waste discharge adhesive tape on a second release film material belt, performing die cutting through a ninth circular knife die cutting roller set, forming an inner edge contour line of a small-size waterproof adhesive layer on the waterproof adhesive block, performing die cutting through a tenth circular knife die cutting roller set after compounding a fifth transition film material belt, forming an inner edge contour line of a small-size release film layer on the second release film material belt, removing the fifth transition film material belt and a fourth transition film material belt waste attached to the fifth transition film material belt, and removing inner frame waste in the small-size release film layer through the second waste discharge adhesive tape, wherein the steps are as follows: the third support bottom film material belt, the second protective film material belt, the second release film material belt with an inner frame contour line and the small-specification waterproof glue layer with the inner frame contour line; then compounding a fourth backing film material belt below the third backing film material belt, carrying out die cutting on a Fang Fuge sixth transition film material belt on the small-specification waterproof adhesive layer, carrying out die cutting on the eleventh round-knife die-cutting roller group, forming a peripheral outline of the small-specification protective film layer on the second protective film material belt, forming a peripheral outline of the small-specification on the second release film material belt and the small-specification waterproof adhesive layer, then removing waste materials of the sixth transition film material belt and waste materials of the outer frame, removing waste materials of the inner frame, removing the fourth backing film material belt, compounding a second carrier film material belt, cutting on the twelfth round-knife die-cutting roller group, and removing the third backing film material belt from the lower side to obtain a finished product of the small-specification waterproof back adhesive assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310021717.3A CN116160756A (en) | 2023-01-06 | 2023-01-06 | Nested die cutting production process of waterproof back glue assembly with large and small specifications |
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| CN202310021717.3A CN116160756A (en) | 2023-01-06 | 2023-01-06 | Nested die cutting production process of waterproof back glue assembly with large and small specifications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117382213A (en) * | 2023-12-12 | 2024-01-12 | 常州市哈德胜精密科技有限公司 | Preparation method of inner frame composite film product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117382213A (en) * | 2023-12-12 | 2024-01-12 | 常州市哈德胜精密科技有限公司 | Preparation method of inner frame composite film product |
| CN117382213B (en) * | 2023-12-12 | 2024-03-22 | 常州市哈德胜精密科技有限公司 | Preparation method of inner frame composite film product |
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