CN113561622A

CN113561622A - Preparation method and preparation device of die-cut composite product

Info

Publication number: CN113561622A
Application number: CN202110871924.9A
Authority: CN
Inventors: 刘江; 刘巧
Original assignee: Shenzhen Weiyixin Precision Technology Co ltd
Current assignee: Shenzhen Weiyixin Precision Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-10-29
Anticipated expiration: 2041-07-30
Also published as: CN113561622B

Abstract

The invention provides a preparation method and a preparation device of a die-cut composite product, wherein the die-cut composite product comprises a transparent silica gel protective film, a transparent strong and weak protective adhesive film layer, a metal foil, a polyimide adhesive tape, foam, a transparent grid release film and a bottom supporting protective film which are stacked from top to bottom; the preparation method comprises the following steps: preparing a first semi-finished product, and compounding the first semi-finished product with a bottom supporting protective film to obtain a second semi-finished product; compounding a bottom supporting protective film, a metal foil, a polyimide adhesive tape and foam cotton to obtain a first main material semi-finished product, performing die cutting on the first main material semi-finished product by a frame-shaped asynchronous knife until the surface of the bottom supporting protective film is reached to obtain a second main material semi-finished product, then asynchronously pasting the second main material semi-finished product on the second main material semi-finished product to obtain a third semi-finished product, and compounding a transparent strong and weak adhesive tape on a transparent silica gel protective film to obtain a fourth semi-finished product; and die cutting by a forming cutter to obtain the die-cut composite product. By adopting the technical scheme of the invention, the main material of the product is saved, and the cost is reduced.

Description

Preparation method and preparation device of die-cut composite product

Technical Field

The invention belongs to the technical field of composite product preparation, and particularly relates to a preparation method and a preparation device of a die-cut composite product.

Background

With continuous competition of die cutting industry technologies, the auxiliary material die cutting product filling release film layering process is characterized in that the product layers and the process are designed under the auxiliary material filling effect of an electronic die cutting piece multi-layer complex product filling release film, so that the die cutting product layering process is high in efficiency; the novel added layers can save main material of the product and reduce cost when the layers of the original product are not changed, and simultaneously, the novel added layers are designed on a multilayer process, and a filling release film is added as an auxiliary material to be applied to a flat surface; the die cutting machine can save the main materials and the auxiliary materials, and can improve the die cutting technology in the hierarchical process of various products and auxiliary materials.

In the die cutting and laminating process of the old multi-layer material, the problem that the material is leaked and not discharged occurs at the waste discharge position of the product, and the manual loss is large and the working hours are more due to the manual processing of the rear section; the labor cost is high and the material price is continuously increased. And in multilayer material cross cutting automation laminating technology, in order to cooperate automatic rhythm, lead to the waste of material, the high problem of disability rate, still lead to product size precision to increase, be difficult to carry out standardized management and control, lead to the product unqualified, bad by a dimensional tolerance, a plurality of processes cause higher defective rate, production efficiency is low.

Disclosure of Invention

Aiming at the technical problems, the invention discloses a preparation method of a die-cutting composite product and a preparation device thereof,

in contrast, the technical scheme adopted by the invention is as follows:

a preparation method of a die-cut composite product comprises a transparent silica gel protective film, a transparent strong and weak protective adhesive film layer, a metal foil, a polyimide adhesive tape, foam cotton, a transparent grid release film and a bottom supporting protective film which are stacked from top to bottom, wherein the periphery of the transparent grid release film is filled with a filling release film;

the preparation method of the die-cut composite product comprises the following steps:

step S1, preparing a first semi-finished product, wherein the first semi-finished product is a release film containing hollow product grades arranged at intervals, and filling release films of die-cut composite products are formed around the hollow product grades;

step S2, compounding the first semi-finished product and the bottom supporting protective film together to ensure that the bottom supporting protective film completely covers the hollow product grade to obtain a second semi-finished product;

step S3, compounding a carrier film, a metal foil, a polyimide tape and foam to obtain a first main material semi-finished product, wherein a transparent grid release film is arranged on the outer surface of the foam; carrying out die cutting on the first main material semi-finished product by a frame-shaped asynchronous knife until the surface of the bottom supporting film is cut, and obtaining a second main material semi-finished product containing the main material product without jump distance intervals; then, the main material products of the second main material semi-finished product are positioned and asynchronously transferred and pasted on the second semi-finished product, the transparent grid release film in the main material products is pasted on the production grade and is pasted with the periphery of the inner frame filled with the release film, a third semi-finished product is obtained, the distance between the adjacent main material products is the same, and die-cut materials are discharged through the bottom supporting film;

step S4, compounding a transparent strong and weak adhesive tape on a transparent silica gel protective film, wherein the strong adhesive surface of the transparent strong and weak adhesive tape is attached to the transparent silica gel protective film and then compounded with a third semi-finished product, so that the weak adhesive surface of the transparent strong and weak adhesive tape is attached to the metal foil layer, and a fourth semi-finished product is obtained;

and step S5, die-cutting the fourth semi-finished product by a forming knife to obtain the die-cut composite product.

Further, step S5, die-cutting the fourth semi-finished product by a forming knife, and rolling and cutting the product forming frame to form the die-cut composite product.

As a further improvement of the invention, in step S1, after the first release film and the first bottom supporting film are compounded, the first release film on the upper layer is die-cut by the frame cutter, and the part cut by the frame cutter is continuously discharged by the first bottom supporting film on the bottom layer, so as to obtain a first semi-finished product containing hollow product grade with a set distance, and continuously feed forward;

in step S2, feeding the second release film and the bottom supporting protective film simultaneously, so that the second release film is located on the upper surface of the first semi-finished product, the bottom supporting protective film is located on the lower surface of the first semi-finished product, compounding the three-layer structure, removing the second release film to obtain a second semi-finished product, and continuously feeding forward.

As a further improvement of the present invention, in step S3, the carrier film is first compounded with the metal foil surface facing downward, the metal foil adhesive surface is pasted with the release film facing upward, the release film is removed from the metal foil adhesive surface, then the metal foil adhesive surface is compounded with the polyimide tape film surface, the PET film is removed from the polyimide tape adhesive surface with a peeling knife, and then the polyimide tape adhesive surface is compounded with the foam surface of the foam to obtain the first main material semi-finished product.

As a further improvement of the present invention, in step S4, a first single-sided tape is attached to one side of the strong adhesive layer surface of the transparent strong and weak protective adhesive film layer of the die-cut composite product, and a second tape and a third tape are attached to one side of the weak adhesive layer surface of the transparent strong and weak protective adhesive film layer, which are prepared by the following steps:

compounding a first single-sided adhesive tape on the double-layer composite silicone film, and rolling and cutting the double-layer composite silicone film into half sections, wherein the double-layer composite silicone film is continuous, so that the first single-sided adhesive tape in the shape obtained by rolling and cutting is attached to the double-layer silicone film, and waste materials of the first single-sided adhesive tape are discharged; then compounding the adhesive tape with the transparent strong and weak adhesive tape to compound the strong adhesive layer surface of the transparent strong and weak adhesive tape with the first single-sided adhesive tape on the double-layer silica gel film and the silica gel film on the surface of the double-layer silica gel film; then compounding a second adhesive tape and a third adhesive tape on the weak adhesive layer surface of the transparent strong and weak adhesive tape, cutting the second adhesive tape and the third adhesive tape through rolling cutting, continuously discharging the waste materials of the second adhesive tape and the third adhesive tape, and compounding the waste materials with the third semi-finished product in the step S3 to ensure that the second adhesive tape and the third adhesive tape with the rolling cut surfaces are adhered with the metal foil layer to obtain a fourth semi-finished product; continuously feeding forward.

As a further improvement of the invention, in step S5, the fourth semi-finished product is die-cut by a forming cutter, and the product forming frame is roll-cut and half-cut onto the transparent grid release film on the surface of the foam, the transparent grid release film on the surface of the foam is continuous, and the waste material discharged from the product frame is discharged;

and rolling and cutting the product forming frame by a forming material with a side cutter to the bottom silicone membrane of the double-layer composite silicone membrane to obtain a fifth semi-finished product, and compounding a layer of protective film on the surface of the silicone membrane of the fifth semi-finished product after waste materials are discharged through the bottom silicone membrane.

The invention also discloses a preparation device of the preparation method of the die-cutting composite product, which comprises the following steps:

the first semi-finished product preparation module is used for preparing a release film containing hollow product grades arranged at intervals, and filling release films of die-cut composite products are formed around the hollow product grades;

the second semi-finished product preparation module is used for compounding the first semi-finished product and the bottom supporting protective film together to ensure that the bottom supporting protective film completely covers the hollow product grade to obtain a second semi-finished product;

the third semi-finished product preparation module is used for compounding a carrier film, a metal foil, a polyimide adhesive tape and foam to obtain a first main material semi-finished product, wherein a transparent grid release film is arranged on the surface of the foam; carrying out die cutting on the first main material semi-finished product by a frame-shaped asynchronous knife until the surface of the bottom supporting film is cut, and obtaining a second main material semi-finished product of the main material product without jump distance intervals; then, the main material products of the second main material semi-finished product are positioned and asynchronously transferred and pasted on the second semi-finished product, the transparent grid release film in the main material products is pasted on the production grade and is pasted with the periphery of the inner frame filled with the release film, a third semi-finished product is obtained, the distance between the adjacent main material products is the same, and the die-cut materials are discharged through the bottom supporting film;

a fourth semi-finished product preparation module, which is used for compounding a transparent strong and weak adhesive tape on the transparent silica gel protective film, wherein the strong adhesive surface of the transparent strong and weak adhesive tape is attached to the transparent silica gel protective film and then compounded with the third semi-finished product, so that the weak adhesive surface of the transparent strong and weak adhesive tape is attached to the metal foil layer, and a fourth semi-finished product is obtained;

and a finished product cutting module, namely die-cutting the fourth semi-finished product by a forming cutter, and rolling and cutting a product forming frame to form the die-cut composite product.

As a further improvement of the present invention, the first semi-finished product preparation module comprises a first compound mechanism, a second compound mechanism located at the downstream of the first compound mechanism, and a frame knife, wherein the frame knife is located above the material of the second compound roller; the two opposite sides of the first compound mechanism are respectively provided with a first release film coil rack and a second release film coil rack.

As a further improvement of the invention, the second semi-finished product preparation module comprises a third compound mechanism and a fourth compound mechanism, the fourth compound mechanism is positioned at one side of the downstream of the third compound mechanism, a second release film rack and a bottom supporting protective film rack are respectively arranged at two opposite sides of the third compound mechanism, and a first release film waste rack is also arranged at one side of the bottom supporting protective film rack; the fourth compound mechanism is provided with a second release film waste material rack at the same side of the second release film waste material rack.

As a further improvement of the present invention, the third semi-finished product preparation module comprises a main material semi-finished product preparation module and a third semi-finished product composite preparation module, and the main material semi-finished product preparation module is positioned above or below the composite preparation module;

the main material semi-finished product preparation module comprises a bottom supporting film feeding roller set, wherein a bottom supporting film material rack is arranged on one side of the bottom supporting film feeding roller set, a metal foil compounding mechanism is arranged at the downstream of the bottom supporting film feeding roller set, and a metal foil material rack and a metal foil protection film collecting rack are arranged on one side of the metal foil compounding mechanism; a polyimide adhesive tape compounding mechanism is arranged at the downstream of the metal foil compounding mechanism, and a polyimide adhesive tape rack and a polyimide adhesive tape protective film collecting rack are arranged on one side of the polyimide adhesive tape compounding mechanism; the downstream of polyimide sticky tape composite structure is equipped with the cotton composite structure of bubble, one side of the cotton composite structure of bubble is equipped with the cotton work or material rest of bubble, and the downstream of the cotton composite structure of bubble is equipped with cross cutting subassembly and asynchronous location commentaries on classics and glues the mechanism, the cross cutting subassembly includes asynchronous frame sword. Further, the die cutting assembly comprises a conveying mechanism, and the asynchronous frame cutter is located above or below the material of the conveying mechanism.

As a further improvement of the invention, the composite preparation module comprises a fifth composite mechanism located at the downstream of the fourth composite mechanism, the asynchronous positioning and rotating-bonding mechanism is located at one side of the fifth composite mechanism, and a bottom supporting film waste material rack is further arranged at one side of the fifth composite mechanism.

As a further improvement of the invention, the fourth semi-finished product preparation module comprises a transparent strong and weak adhesive tape composite preparation module and a fourth semi-finished product composite preparation module;

the transparent strong and weak adhesive tape composite preparation module comprises a double-layer silicone film feeding roller set, and a silicone film protective film collecting frame is arranged on one side of the double-layer silicone film feeding roller set; a first single-sided adhesive tape compounding mechanism is arranged at the downstream of the double-layer silicone film feeding roller set; a first single-sided adhesive tape rolling and cutting mechanism is arranged at the downstream of the first single-sided adhesive tape compounding mechanism, a first single-sided adhesive tape rack is arranged on one side of the first single-sided adhesive tape compounding mechanism, the first single-sided adhesive tape rolling and cutting mechanism comprises a first single-sided adhesive tape rolling and cutting tool, and a first single-sided adhesive tape waste rack is arranged on one side of the first single-sided adhesive tape rolling and cutting mechanism; a transparent strong and weak adhesive tape compounding mechanism is arranged at the downstream of the first single-sided adhesive tape roll cutting mechanism, and a transparent strong and weak adhesive tape rack and a transparent strong and weak adhesive tape strong adhesive surface protection film receiving rack are arranged on one side of the transparent strong and weak adhesive tape compounding mechanism; a second adhesive tape and third adhesive tape compounding mechanism is arranged at the downstream of the transparent strong and weak adhesive tape compounding mechanism, and a second adhesive tape and third adhesive tape rack and a transparent strong and weak adhesive tape surface protection film collecting rack are arranged at one side of the second adhesive tape and third adhesive tape compounding mechanism; a second adhesive tape and a third adhesive tape roll-cutting mechanism are arranged at the downstream of the second adhesive tape and third adhesive tape compounding mechanism, and a second adhesive tape and a third adhesive tape waste rack are arranged at one side of the second adhesive tape and third adhesive tape roll-cutting mechanism;

the fourth semi-finished product composite preparation module comprises a sixth composite mechanism positioned at the downstream of the fifth composite mechanism, and the second adhesive tape and the third adhesive tape roll-cutting mechanism are positioned at one side of the sixth composite mechanism.

Further, the first single-sided adhesive tape rolling and cutting mechanism comprises a material conveying mechanism, and the first single-sided adhesive tape rolling and cutting tool is located above materials of the material conveying mechanism.

Further, the second adhesive tape and the third adhesive tape rolling-cutting mechanism comprise a material conveying mechanism, a second adhesive tape and a third adhesive tape rolling-cutting tool, and the second adhesive tape and the third adhesive tape rolling-cutting tool are located above the material of the conveying mechanism.

As a further improvement of the invention, the finished product cutting module comprises a product forming frame roll cutting mechanism (waste material is discharged from the rolled and cut product frame) positioned at the downstream of the sixth composite mechanism, a feeding roller group is arranged at the downstream of the product forming frame roll cutting mechanism, and a waste frame rack is arranged at one side of the feeding roller group; the low reaches of pay-off roller set are equipped with shaping material area limit sword hobbing machine and construct, one side of shaping material area limit sword hobbing machine is equipped with the waste material work or material rest, the low reaches of shaping material area limit sword hobbing machine constructs is equipped with finished product protection film combined mechanism, one side of finished product protection film combined mechanism is equipped with the protection film work or material rest, the low reaches of finished product protection film combined mechanism are equipped with finished product and receive the work or material rest.

Further, the product forming frame rolling-cutting mechanism comprises a conveying mechanism and a product forming frame rolling-cutting tool, and the product forming frame rolling-cutting tool is located above the material of the conveying mechanism.

Furthermore, the molding material band side cutter rolling-cutting mechanism comprises a conveying mechanism and a molding material band side cutter rolling-cutting tool, and the molding material band side cutter rolling-cutting tool is located above the material of the conveying mechanism.

Compared with the prior art, the invention has the beneficial effects that:

firstly, by adopting the technical scheme of the invention, through innovative design, under the condition that the layers of an original product are not changed, the auxiliary materials adopt a mode of space die cutting, and after the main raw materials are subjected to non-skip space die cutting by adopting an asynchronous frame cutter, the main raw materials are stuck to the auxiliary materials, so that the final product is in a form of space, and through reducing the space between the main raw materials during forming die cutting, the main materials of the product are saved, the cost is reduced, and the amplitude is reduced by 26.5%.

Secondly, by adopting the technical scheme of the invention, a better preparation method is provided for the production of products with complicated process structures of electronic die-cut parts with multiple layers, the production is efficient, a large amount of materials can be saved, and the cost is reduced; the die cutting production level process is simple, the dimensional precision tolerance of the product can be controlled within +/-0.05 mm to +/-0.15 mm, the production and processing process is stable and reliable, and the material utilization rate and the production efficiency of the product are improved.

Drawings

FIG. 1 is a schematic structural view of a die-cut composite product of an embodiment of the present invention.

Fig. 2 is an exploded schematic view of a die-cut composite product and corresponding steps of an embodiment of the invention.

Fig. 3 is a structural general view of a manufacturing apparatus of a die-cut composite product according to an embodiment of the present invention.

Fig. 4 is a structural diagram of an apparatus corresponding to step S1 of the method for preparing a die-cut composite product according to an embodiment of the present invention.

Fig. 5 is a structural diagram of an apparatus corresponding to step S2 of the method for manufacturing a die-cut composite product according to an embodiment of the present invention.

Fig. 6 is a structural diagram of an apparatus corresponding to step S3 of the method for manufacturing a die-cut composite product according to an embodiment of the present invention.

Fig. 7 is a structural diagram of an apparatus corresponding to step S4 of the method for manufacturing a die-cut composite product according to an embodiment of the present invention.

Fig. 8 is a structural view of an apparatus corresponding to step S5 of the method of manufacturing a die-cut composite product according to an embodiment of the present invention.

FIG. 9 is a schematic diagram comparing the cutting die of the asynchronous frame-shaped knife used in step S3 of the method for making die-cut composite products according to the present invention with a linear asynchronous knife of the prior art; wherein (a) is a linear asynchronous knife of the prior art, and (b) is a frame-shaped asynchronous knife of the embodiment.

FIG. 10 is a comparison of a master product in a second master semi-finished product of step S3 of a method of making die cut composite products according to an embodiment of the present invention with the prior art; wherein (a) is a schematic diagram of the prior art, and (b) is a schematic diagram of the present embodiment.

FIG. 11 is a schematic waste discharge diagram employed in an apparatus for making die-cut composite products according to an embodiment of the present invention; wherein, (a) is the waste discharge of the stripping knife, (b) is the waste discharge of the adhesive tape, (c) is the waste discharge of the thimble, and (d) is the waste discharge of the stripping knife.

The reference numerals include:

1-transparent silica gel protective film, 2-transparent strong and weak protective adhesive film layer, 3-metal foil, 4-polyimide adhesive tape, 5-foam, 6-transparent grid release film, 7-bottom supporting protective film, 8-filling release film, 9-black single-sided adhesive tape, 10-blue adhesive tape and 11-white adhesive tape; 12-linear asynchronous knife, 13-formed product with interval jump distance, 14-formed product without interval jump distance;

100-a first semi-finished product preparation module, 101-a first composite roller set, 102-a second composite roller, 103-a first release film rolling frame, 104-a first bottom supporting film rolling frame, and T1-a frame cutter;

200-a second semi-finished product preparation module, 201-a third composite roller set, 202-a fourth composite roller set, 203-a second release film rack, 204-a bottom supporting protective film rack, 205-a first release film waste rack, 206-a second release film waste rack;

300-a third semi-finished product preparation module, 301-a bottom supporting film feeding roller set, 302-a bottom supporting film rack, 303-a metal foil composite roller set, 304-a metal foil rack, 305-a metal foil protective film collecting rack, 306-a polyimide adhesive tape composite roller set, 307-a polyimide adhesive tape rack, 308-a polyimide adhesive tape protective film collecting rack, 309-a foam composite roller set, 310-a foam rack, 311-a die cutting component, T2-an asynchronous frame cutter, 312-a fifth composite roller set and 313-a bottom supporting film waste material rack;

400-fourth semi-finished product preparation module, 401-double-layer silicone film feeding roller group, 402-silicone film protective film collecting frame, 403-black single-sided adhesive tape compounding roller group, 404-black adhesive tape rolling cutting mechanism, T3-rolling cutting tool, 405-black adhesive tape waste material frame, 406-transparent strong and weak adhesive tape compounding roller group, 407-transparent strong and weak adhesive tape frame, 408-transparent strong and weak adhesive tape strong adhesive surface protective film collecting frame, 409-blue and white adhesive tape compounding roller group, 410-blue and white adhesive tape frame, 411-transparent strong and weak adhesive tape weak adhesive surface protective film collecting frame, 412-blue and white adhesive tape rolling cutting mechanism, 413-blue and white adhesive tape waste material frame, 414-sixth compounding roller group, 415-black adhesive tape winding roller group;

500-finished product cutting module, 501-product forming frame hobbing mechanism, 502-feeding roller group, 503-waste frame rack, 504-forming material belt side cutter hobbing mechanism, 505-waste rack, 506-finished product protective film compound roller group, 507-protective film rack, 508-finished product collecting rack.

Detailed Description

Preferred embodiments of the present invention are described in further detail below.

A preparation method of a die-cut composite product is shown in figures 1 and 2, the die-cut composite product comprises a transparent silica gel protective film 1, a transparent strong and weak protective adhesive film layer 2, a metal foil 3, a polyimide adhesive tape 4, foam 5, a transparent grid release film 6 and a bottom supporting protective film 7 which are stacked from top to bottom, wherein the periphery of the transparent grid release film 6 is filled with a filling release film 8; one side of the strong glue layer of the transparent strong and weak protection glue film layer 2 is pasted with a black single-sided adhesive tape 9, and one side of the weak glue layer of the transparent strong and weak protection glue film layer 2 is pasted with a blue adhesive tape 10 and a white adhesive tape 11. In this embodiment, the metal foil is a copper foil.

As shown in fig. 2, the method for preparing the die-cut composite product includes the steps of:

step S3, compounding a carrier film, a metal foil, a polyimide tape and foam to obtain a first main material semi-finished product, wherein a transparent grid release film is arranged on the surface of the foam; carrying out die cutting on the first main material semi-finished product by a frame-shaped asynchronous knife until the surface of the bottom supporting film is cut, and obtaining a second main material semi-finished product containing the main material product without jump distance intervals; then, the main material products of the second main material semi-finished product are positioned and asynchronously transferred and pasted on the second semi-finished product, the transparent grid release film in the main material products is pasted on the production grade and is pasted with the periphery of the inner frame filled with the release film, a third semi-finished product is obtained, the distance between the adjacent main material products is the same, and die-cut materials are discharged through the bottom supporting film;

and step S5, die-cutting the fourth semi-finished product by a forming cutter, and rolling and cutting the product forming frame to form the die-cut composite product.

Specifically, in step S1, after the first release film and the first bottom supporting film are compounded, the first release film on the upper layer is die cut by the frame cutter, and the cut part of the frame cutter is continuously discharged through the first bottom supporting film on the bottom layer, so as to obtain a first semi-finished product containing a hollow product grade with a set distance, and continuously feed forward.

In step S3, the carrier film and the metal foil are first compounded with the metal foil facing downward, the release PET film with the adhesive surface of the metal foil is then removed after the release PET film with the adhesive surface of the metal foil is pasted upward, the release PET film with the adhesive surface of the metal foil is then compounded with the film surface of the polyimide tape, the release PET film with the polyimide tape is removed with a stripping knife, and then the adhesive surface of the polyimide tape is compounded with the foam surface of the foam to obtain a first main material semi-finished product.

In step S4, a black single-sided tape is attached to one side of the strong adhesive layer surface of the transparent strong and weak protective adhesive film layer of the die-cut composite product, and a blue tape and a white tape are attached to one side of the weak adhesive layer surface of the transparent strong and weak protective adhesive film layer, and the die-cut composite product is prepared by the following steps:

compounding a black single-sided adhesive tape on the double-layer composite silica gel film, and rolling and half-cutting the double-layer composite silica gel film continuously to ensure that the black single-sided adhesive tape with the shape obtained by rolling and cutting is attached to the double-layer silica gel film, and discharging the waste material of the black single-sided adhesive tape; then compounding the adhesive tape with the transparent strong and weak adhesive tape to compound the strong adhesive layer surface of the transparent strong and weak adhesive tape with the black single-sided adhesive tape on the double-layer silica gel film and the silica gel film on the surface of the layer; compounding a blue adhesive tape and a white adhesive tape on the weak adhesive layer surface of the transparent strong and weak adhesive tape, cutting the blue adhesive tape and the white adhesive tape through rolling cutting, discharging waste materials of the blue adhesive tape and the white adhesive tape, compounding the blue adhesive tape and the white adhesive tape with the third semi-finished product in the step S3, and attaching the blue adhesive tape and the white adhesive tape with the rolling cut surfaces to the transparent strong and weak adhesive tape and the metal foil layer to obtain a fourth semi-finished product; continuously feeding forward.

Step S5, die cutting the fourth semi-finished product by a forming cutter, rolling and cutting a product forming frame, rolling and half cutting the fourth semi-finished product onto a transparent grid release film on the surface of foam, wherein the transparent grid release film on the surface of the foam is continuous, and waste materials discharged from a product frame are discharged;

The preparation device for realizing the preparation method of the die-cut composite product comprises the following steps:

the first semi-finished product preparation module 100 is used for preparing a release film containing hollow product grades arranged at intervals, and filling release films of die-cut composite products are formed around the hollow product grades;

the second semi-finished product preparation module 200 is used for compounding the first semi-finished product and the bottom supporting film together to enable the bottom supporting film to completely cover the hollow product grade, so that a second semi-finished product is obtained;

the third semi-finished product preparation module 300 is used for compounding a carrier film, a metal foil, a polyimide adhesive tape and foam to obtain a first main material semi-finished product, wherein a transparent grid release film is arranged on the surface of the foam; carrying out die cutting on the first main material semi-finished product by a frame-shaped asynchronous knife until the surface of the bottom supporting film is cut, and obtaining a second main material semi-finished product containing the main material product without jump distance intervals; then, the main material products of the second main material semi-finished product are positioned and asynchronously transferred and pasted on the second semi-finished product, the transparent grid release film in the main material products is pasted on the production grade and is pasted with the periphery of the inner frame filled with the release film, a third semi-finished product is obtained, the distance between the adjacent main material products is the same, and die-cut materials are discharged through the bottom supporting film;

a fourth semi-finished product preparation module 400, which is used for compounding a transparent strong and weak adhesive tape on the transparent silica gel protective film, wherein the strong adhesive surface of the transparent strong and weak adhesive tape is attached to the transparent silica gel protective film and then compounded with the third semi-finished product, so that the weak adhesive surface of the transparent strong and weak adhesive tape is attached to the metal foil layer, and a fourth semi-finished product is obtained;

and a finished product cutting module 500, die-cutting the fourth semi-finished product by a forming cutter, and rolling and cutting the product forming frame to form the die-cut composite product.

Further, as shown in fig. 4, the first semi-finished product preparation module 100 includes a first composite roll set 101, a second composite roll 102 downstream of the first composite roll set 101, a frame knife T1, the frame knife T1 being located above the material of the second composite roll 102; the two opposite sides of the first composite roller set 101 are respectively provided with a first release film roll rack 103 and a first bottom supporting film roll rack 104. As shown in fig. 3, the first compounding roller set 101 includes a roller a1 and a roller B1, the second compounding roller 102 includes a roller a2, the first release film roll stack 103 includes a first release film roll stack roller C1, and the first backing film roll stack 104 includes a first backing film roll stack roller C3.

As shown in fig. 5, the second semi-finished product manufacturing module 200 includes a third compound roller set 201 and a fourth compound roller set 202, the fourth compound roller set 202 is located at one side of the downstream of the third compound roller set 201, two opposite sides of the third compound roller set 201 are respectively provided with a second release film rack 203 and a bottom supporting protective film rack 204, and one side of the bottom supporting protective film rack 204 is further provided with a first release film waste rack 205; the fourth compound roller set 202 is provided with a second release film waste rack 206 at the same side of the second release film rack 203. Specifically, the third composite roller set 201 includes a roller A3 and a roller B2, the fourth composite roller set 202 includes a roller a4 and a roller B3, the second release film stack 203 includes a second release film roll C4, the bottom protective film stack 204 includes a bottom protective film roll C2, and the second release film waste stack 206 includes a second release film roll C5. The first release film waste frame 205 includes a first release film waste roll D1.

As shown in fig. 6, the third semi-finished product preparation module 300 includes a main material semi-finished product preparation module and a third semi-finished product composite preparation module, and the main material semi-finished product preparation module is located above or below the composite preparation module; the main material semi-finished product preparation module comprises a bottom supporting film feeding roller set 301, a bottom supporting film rack 302 is arranged on one side of the bottom supporting film feeding roller set 301, a metal foil composite roller set 303 is arranged at the downstream of the bottom supporting film feeding roller set 301, and a metal foil rack 304 and a metal foil protection film collecting rack 305 are arranged on one side of the metal foil composite roller set 303; a polyimide adhesive tape compound roller group 306 is arranged at the downstream of the metal foil compound roller group 303, and a polyimide adhesive tape material rack 307 and a polyimide adhesive tape protective film material rack 308 are arranged on one side of the polyimide adhesive tape compound roller group 306; the downstream of the polyimide adhesive tape composite roller group 306 is provided with a foam composite roller group 309, one side of the foam composite roller group 309 is provided with a foam material rack 310, the downstream of the foam composite roller group 309 is provided with a die cutting component 311 and an asynchronous positioning and adhesive transferring mechanism, and the die cutting component comprises an asynchronous frame cutter T2. The composite preparation module comprises a fifth composite roller group 312 positioned at the downstream of the fourth composite roller group 202, the asynchronous positioning and rotating-bonding mechanism is positioned at one side of the fifth composite roller group 312, and a bottom supporting film waste material rack 313 is further arranged at one side of the fifth composite roller group 312. Specifically, the backing film feed roller set includes roller B11 and roller B12, and the backing film stock includes backing film take-up roller C9. The metal foil composite roller group comprises a roller B9 and a roller B10, the metal foil rack comprises a metal foil coiling roller C8, the metal foil protective film collecting rack comprises a metal foil protective film coiling roller D4, and the copper foil is recovered from the protective film. The compound roller set of polyimide sticky tape includes roller B7 and roller B8, and the polyimide sticky tape work or material rest includes polyimide sticky tape coiling roller C7, and the material rest is received to polyimide sticky tape protection film and is included polyimide sticky tape protection film coiling roller D3, is about to polyimide sticky tape retrieves from the protection film of taking. The foam composite roller group comprises a roller B5 and a roller B6, the foam material rack comprises a foam winding roller C6, and one side of foam is provided with a PET protective film. The die cutting assembly comprises an asynchronous frame knife T2 and a feed roller B4. The fifth composite roller group comprises a roller A5, a roller G1, a roller A6, a roller G2, a roller A7, a roller G3, a roller A8, a roller G4, a roller A9 and a roller G5, and the bottom supporting film waste material frame is positioned on one side of the roller A9 and the roller G5 and comprises a bottom supporting film waste material roll D5. One side of the roller A9 and the roller G5 is provided with a bottom supporting film coiling roller C10 for conveying the silicon film. The asynchronous positioning and rotating-bonding mechanism is characterized in that whether the feeding roller B4 rotates or not and the rotating speed are controlled, after positioning is carried out according to the hollow product grade of materials between the roller A3 and the roller B2, main material products on second main material semi-finished products are attached to the silica gel film from the roller C11 in a rotating mode, then the main material products are attached to the hollow product grade in a rotating mode through the roller A4 and the roller B3, and the main material products are conveyed to the next step through the roller A5 and the roller G1, the roller A6 and the roller G2, the roller A7 and the roller G3, the roller A8 and the roller G4, the roller A9 and the roller G5.

As shown in fig. 7, the fourth semi-finished product preparation module 400 includes a transparent strong and weak adhesive tape composite preparation module and a fourth semi-finished product composite preparation module; the transparent strong and weak adhesive tape composite preparation module comprises a double-layer silicone film feeding roller set 401, and a silicone film protective film collecting frame 402 is arranged on one side of the double-layer silicone film feeding roller set 401; a black single-sided adhesive tape composite roller set 403 is arranged at the downstream of the double-layer silicone film feeding roller set 401; a black adhesive tape coiling roller 415 is arranged on one side of the black single-sided adhesive tape composite roller group 403, a black adhesive tape roll-cutting mechanism 404 is arranged at the downstream of the black single-sided adhesive tape composite roller group 403, the black adhesive tape roll-cutting mechanism 404 comprises a roll-cutting tool T3, and a black adhesive tape waste rack 405 is arranged on one side of the black adhesive tape roll-cutting mechanism 404; a transparent strong and weak adhesive tape compound roller set 406 is arranged at the downstream of the black adhesive tape roll cutting mechanism 404, and a transparent strong and weak adhesive tape rack 407 and a transparent strong and weak adhesive tape surface protection film collecting rack 408 are arranged at one side of the transparent strong and weak adhesive tape compound roller set 406; a blue and white adhesive tape compound roller set 409 is arranged at the downstream of the transparent strong and weak adhesive tape compound roller set 406, and a blue and white adhesive tape rack 410 and a transparent strong and weak adhesive tape surface protective film receiving rack 411 are arranged at one side of the blue and white adhesive tape compound roller set 409; a blue and white adhesive tape roll-cutting mechanism 412 is arranged at the downstream of the blue and white adhesive tape compound roller group 409, and a blue and white adhesive tape waste rack 413 is arranged at one side of the blue and white adhesive tape roll-cutting mechanism 412; the fourth intermediate composite manufacturing module includes a sixth composite roller set 414 downstream from the fifth composite roller set 312, and the blue and white tape slitting mechanisms 412 are located on one side of the sixth composite roller set 414. Specifically, double-deck pellosil feed roller group includes double-deck pellosil material roll-up roller C15, conveying roller A16 and conveying roller B17, and pellosil protection film is received the material frame and is included pellosil protection film and retrieve material roller D11. The black single-sided tape composite roller group comprises a roller A15 and a roller B16, the black tape roll cutting mechanism comprises a conveying roller A14 and a roll cutting tool T3, and the black tape waste rack comprises a black tape waste rolling roller D10. The transparent strong and weak adhesive tape composite roller set comprises a roller A13 and a roller B15, the transparent strong and weak adhesive tape rack comprises a transparent strong and weak adhesive tape coiling roller C13, and the transparent strong and weak adhesive tape strong and weak adhesive surface protective film receiving rack comprises a transparent strong and weak adhesive tape strong and weak adhesive surface protective film coiling roller D9; the transparent strong and weak adhesive tape and weak adhesive surface protective film receiving frame comprises a transparent strong and weak adhesive tape and weak adhesive surface protective film winding roller D8. The blue and white tape composite roller group includes a roller a12 and a roller B14, and the blue and white tape slitting mechanism includes a slitting knife T4 and a conveying roller a 11. The sixth composite roll set included roll a10 and roll B13, roll a11 and roll G6, roll a12 and roll G7, roll a13 and roll G8, roll a14 and roll G9, roll a15 and roll G10, roll a16 and roll G11.

As shown in fig. 8, the finished product cutting module 500 includes a product forming frame hobbing mechanism 501 (hobbing product frame wastes) located downstream of the sixth compound roller group 414, a feeding roller group 502 is located downstream of the product forming frame hobbing mechanism 501, and a waste frame 503 is located at one side of the feeding roller group 502; the downstream of the feeding roller group 502 is provided with a forming material belt edge cutter rolling-cutting mechanism 504, one side of the forming material belt edge cutter rolling-cutting mechanism 504 is provided with a waste material rack 505, the downstream of the forming material belt edge cutter rolling-cutting mechanism 504 is provided with a finished product protective film composite roller group 506, one side of the finished product protective film composite roller group 506 is provided with a protective film rack 507, and the downstream of the finished product protective film composite roller group 506 is provided with a finished product receiving rack 508. Specifically, the product forming frame hobbing mechanism comprises a forming knife T5 and a conveying roller A17, the conveying roller group comprises a roller A18 and a roller B18, and the slitter edge frame stock frame comprises a slitter edge frame coiling roller D11. The molding material belt edge cutter roll cutting mechanism comprises a molding cutter T6 and a conveying roller A19, and the waste material rack comprises a waste material rolling roller D13. The finished product protective film composite roller group comprises a roller A20 and a roller B19, the protective film rack comprises a protective film winding roller C17, and the finished product receiving rack comprises a finished product receiving roller D14.

With reference to fig. 3 to 8, in step S1, in operation, first, feeding 10-15 g of the backing film with the adhesive surface facing upward by a bonding roller of a1 and B1, feeding by a bonding roller of A3 and B2 after feeding by a bonding roller of a2 and T1 (frame knife), and then feeding and straightening by a bonding roller of a14 and B13 after passing through a bonding roller of a4 and B3; and secondly, laminating C3, 15-20 g of release film non-release surface C1 by using an A1 and B1 roller, feeding the materials into A2 and T1 (a knife mold frame knife), stringing the materials until the materials are fed by the A20 and B19 laminating roller, and feeding the materials by pulling the materials for 8-10 m, wherein the materials are straight, level and flat, do not warp and have no bubbles.

Step S2, laminating 15-20 g of PET release film as a filling part, wherein C3 is a discharging release film, the release film surface with the non-release surface facing downwards is laminated with the adhesive surface of C1, the release film surface with the non-release surface facing downwards is laminated with 10-15 g of discharging bottom film, the release surface of C3 release film is upwards laminated with B1 through A1 and B1 for feeding, an A2 roller is rolled and cut with T1 (knife mold frame knife), the release film is cut into half and is cut, the bottom film is continuously supported, T1 is to roll and cut the release film to be filled, 10-15 g of middle frame waste material of the bottom film is discharged by C1 through D1, a layer of single-sided transparent adhesive OPP discharged by C2 is laminated on the non-release film before laminating A3 and B2, the C4 is a discharging release film with 3-5 g, the material is discharged by A3 and B2 for feeding, and then discharged by a stripping knife, and the C5 is a waste film 3-5 g; then through A4 and B3 rollers, in order to prevent the semi-finished product which is die-cut in the following process from being pasted to the part to be filled, positioned, pasted and leaked, and not be affected by sticky points, dust and foreign matters, the semi-finished product is finally continuously taken to the A20 and B19 to be pasted, the material feeding and pasting process is long, the material pulling process is straight and level, and the semi-finished product is not warped and has no bubbles when being pasted, and the material pulling is carried out between 8 and 10 meters.

Step S3, attaching B11 and B12 on a heightened roller, wherein C9 is emptying, attaching 3-5G of a backing film with an upward adhesive surface, and attaching B11 and B12, B9 and B10, B7 and B8, B5 and B6 on the roller through B4 and T2 (frame-shaped asynchronous knife) to steel groove rollers of G1, G2, G3, G4 and G5; then C8 is that the copper foil is discharged and is jointed with a C9 discharged 3-5 g bottom film, the copper foil face is downward, the self-adhesive face and the non-adhesive PET face are upward and are jointed with B10 through B9, then the non-adhesive PET of the self-adhesive face of the copper foil is pulled, D4 is the self-adhesive PET of the copper foil, C7 is a discharged polyimide adhesive tape after jointing, the non-adhesive face of the polyimide adhesive tape is jointed with the copper foil adhesive, and is jointed with B8 through a B7 roller; a stripping knife D3 is used as a material collecting shaft, and the material collecting polyimide adhesive tape is provided with PET; c6 is a discharge foam, and the foam surface is jointed with the polyimide adhesive tape rubber surface; b4 and T2 (frame-shaped asynchronous knife) are fed through B5 and B6 to start die cutting and roll cutting, T2 is that a roll-cut copper foil, a polyimide adhesive tape, foam cotton and foam cotton are cut off by PET, and 3-5 g of backing film is not broken; forming a square product with a designed interval jump distance, and then positioning and adhering a part to be filled on the semi-finished product which is rolled and cut in the step S1 and the step S2 through a machine station, and centrally adhering and conveying the material; finally, using D5 as a 3-5 g supporting film for asynchronous material receiving and waste discharging; a layer of C10 is newly added to be a discharged 3-5G base film, the rubber surface is upwards stringed and returned to G1 through G5 to transfer a semi-finished product which is cut by T2 to a B3 roller, and the semi-finished product is transferred and bonded by using a machine servo asynchronous function; the copper foil faces upwards and passes through A5 and G1 steel grooves until materials are fed from A9 and G5 steel grooves, 3-5G of carrier film discharged by D6 material receiving C10 is fed until the materials are bonded to A14 and B15, and the materials are bonded to each other by 5-8 m, straight, level and flat without warping and bubbles.

Step S4, feeding a double-layer silica gel film by using a C15 roller, passing through an A16 roller and a B17 roller, receiving a self-carrying PET by using a D11 roller, feeding a black adhesive tape by using a C14 roller, and attaching the adhesive surface of the black adhesive tape to the adhesive surface of the double-layer silica gel; the double-layer silica gel is jointed with a B16 roller through A15, enters A14 and T3 (black rubber band knife) for rolling cutting, and is half cut with the double-layer silica gel not broken; t3 is roll-cutting black adhesive tape, then D10 is used for collecting the black adhesive tape to discharge waste, C13 is used for discharging transparent strong and weak adhesive tape, D9 is used for collecting the transparent strong and weak adhesive tape, and PET is carried on the strong side of the transparent strong and weak adhesive tape; the strong side is jointed with the black adhesive tape which is die-cut well by an A13 and B15 roller, and the back D8 is the self-carrying PET of the weak side of the material receiving, the C12 is used for discharging, the blue adhesive tape is jointed with the white adhesive tape, and the adhesive side is jointed with the weak side of the transparent strong and weak adhesive tape; by a12 and B14 rollers; the adhesive tape is cut by rolling A11 and T4, T4 is that the blue adhesive tape and the white adhesive tape are half cut, and the transparent strong and weak adhesive is continuous; d7 is used for collecting waste blue adhesive tapes and waste white adhesive tapes, and then the waste blue adhesive tapes and the waste white adhesive tapes are jointed on the copper foil surface in the third step by rolling B13 and applying a machine servo function, and the jointing and pulling of A10 and B13 are carried out; when the semi-finished product is strung on the steel grooves of G6, G7, G8, G9, G10 and G11, the semi-finished product is straight, level, flat, free of warping and free of bubbles, and a semi-finished product coated with adhesive is formed.

Step S5, die cutting is carried out through A17 and T5 forming cutters, a product forming frame is rolled and cut through T5, half-cutting is carried out on foamed cotton self-carrying PET, the foamed cotton self-carrying PET is not broken, stripping cutters are added, D11 material is received for discharging waste materials of the product frame rolled and cut through the T5 forming cutters, the product forming frame edge cutters are rolled and cut through A18 and B18 rolling shafts, the product forming material belt edge cutters are carried through A19 and T6, and the product forming frame edge cutters are rolled and cut through T6; d13 material collecting frames are used for supporting the bottom and discharging waste materials; a C17 discharge PE film is attached to a formed finished product through rollers A20 and B19, and the copper foil is prevented from being extruded, overflowed, crushed and the like when the finished product is rolled. When the materials are attached and pulled, the materials are straight, level, flat, free of warping and free of bubbles.

In the above embodiment, the structural comparison diagram of the asynchronous frame knife T2 used in step S3 and the linear asynchronous knife 12 in the prior art is shown in fig. 9. The asynchronous function of equipment carried by a circular cutter table is utilized, and the asynchronous frame cutter T2 is combined to form a product strip into a formed product 14 without interval jump distance. The improvement of the frame waste of the waste discharge product is convenient and simple to implement; the product has the advantages of level and uneven appearance, no warping, no air bubbles, no indentation and the like. A linear asynchronous knife 12 for cutting in the prior art is used for obtaining a formed product 13 with interval jump distances, wherein the waste material at the interval is 3:1 (for example, the distance between the jump distances of 3 products is wasted to 1 product material); in the embodiment, the feeding is asynchronous in a non-interval mode of 1:1, so that the material cost and the production efficiency and the material utilization rate can be reduced. The main material saving pair with or without interval jump distance asynchronization is shown in fig. 10.

As shown in fig. 11, in this embodiment, the waste discharging is performed as follows:

stripping knife waste discharge: when cutting, waste is discharged for the attaching and cutting of materials with few layers, the peeling angle of a peeling knife is used for discharging waste, the angle of the peeling knife for discharging waste and pressing the peeling knife cannot be too low in the process of pulling and attaching the materials of the product, the angle needs to be inclined by 35-45 degrees, and the outer edge of the appearance of the product does not have raised wavy edges, pressing marks, impressing, glue overflowing, non-dropping numbers and the like during waste discharging. In this embodiment, the first release film waste winding roller D1/the second release film waste winding roller C5/the feeding roller B4/the polyimide tape protective film winding roller D3/the metal foil protective film winding roller D4/the winding roller D7/the black tape waste winding roller D10/the waste frame winding roller D11 may all discharge waste in this manner.

In addition, the following waste discharging mode can be adopted according to the situation:

waste discharge of the adhesive tape: when cutting, waste is discharged by cutting the attaching of materials with fewer layers, the adhesive tape is used for discharging waste, the adhesive tape is attached and discharged by a rolling shaft in the process of pulling and attaching the materials of the product, and the appearance edge of the product does not have raised wavy edges, pressing marks, impressing, glue overflowing, non-drop numbers and the like when the waste is discharged.

Waste discharge by a thimble: the method is characterized in that waste is cut and discharged in the process of cutting a product material in a multi-level mode, a cutter is used for thimble waste discharge in the process of full-cutting design of a product small hole shape and a circular hole type, the size, the height, the conical head and the cylindrical flat head of the thimble are designed, a layer of 10-15 g of silica gel supporting base film is attached to the product under a material pulling layer in the process of pulling and attaching the product, then the product is directly ejected through the thimble cutter, waste discharge is discharged from the lower side by using the 10-15 g of silica gel supporting base film, and no raised wavy edge, indentation, impressing, glue overflow and the like exist outside the appearance edge of the product in the waste discharge process.

Extraction and waste discharge: the utility model discloses a waste material is carried out to product material, and the product is drawn material laminating process to the product, draws the material upper strata to paste a layer of high mucosa at the product, and the back is directly carried out through carrying useless cutter, draws the high mucosa to carry the waste material, does not have the wave limit of pulling, indentation, impression, overflow glue etc. outside the outward appearance edge of product when carrying useless to the laminating of multi-level type product material waste of cutting, uses the cutter to carry useless, the design of height, width size to product frame shape hole shape, round hole type do half-cut design.

According to the technical scheme, the mode that the die cutting asynchronous material is pasted in a rotating mode is adopted, the main material without intervals is pasted on the hollow-out products with the intervals in a rotating mode, the product form with the intervals is formed, the main material materials of the products are saved, and the cost is reduced. In addition, by utilizing the die cutting process, the dimensional precision tolerance of the product can be controlled within +/-0.05 mm to +/-0.15 mm, the stability and reliability of the production and processing process are improved, and the production efficiency is also improved.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A method for preparing a die-cut composite product is characterized by comprising the following steps: the die-cut composite product comprises a transparent silica gel protective film, a transparent strong and weak protective film layer, a metal foil, a polyimide adhesive tape, foam, a transparent grid release film and a bottom supporting protective film which are stacked from top to bottom, wherein the periphery of the transparent grid release film is filled with a filling release film;

step S3, compounding a carrier film, a metal foil, a polyimide tape and foam to obtain a first main material semi-finished product, wherein a transparent grid release film is arranged on the outer surface of the foam; carrying out die cutting on the first main material semi-finished product by a frame-shaped asynchronous knife until the surface of the bottom supporting film is cut, and obtaining a second main material semi-finished product of the main material product without jump distance intervals; then, the main material products of the second main material semi-finished product are positioned and asynchronously transferred and pasted on the second semi-finished product, so that the transparent grid release films in the main material products are pasted on the production grade and are pasted with the periphery of the inner frame filled with the release films, a third semi-finished product is obtained, the distance between the adjacent main material products is the same, and die-cut materials are discharged through the bottom supporting film;

2. The method of making a die-cut composite product according to claim 1, wherein: in step S1, after the first release film and the first bottom supporting film are compounded, die cutting is performed on the first release film on the upper layer through the frame cutter, and the parts cut off by the frame cutter are continuously discharged through the first bottom supporting film on the bottom layer to obtain a first semi-finished product with a hollow product grade arranged at intervals, and continuously feeding forward;

3. The method of making a die-cut composite product according to claim 2, wherein: in step S3, the carrier film and the metal foil are first compounded with the metal foil facing downward, the metal foil with the release film facing upward is then pasted, the metal foil with the release film facing upward is removed, the metal foil adhesive face is then compounded with the polyimide tape film face, the polyimide tape adhesive face with the PET film is removed with a stripping knife, and the polyimide tape adhesive face is then compounded with the foam face of the foam to obtain the first main material semi-finished product.

4. The method of making a die-cut composite product according to any one of claims 1 to 3, wherein: in step S4, a first single-sided tape is attached to one side of the strong adhesive layer surface of the transparent strong and weak protective adhesive film layer of the die-cut composite product, and a second tape and a third tape are attached to one side of the weak adhesive layer surface of the transparent strong and weak protective adhesive film layer, and the die-cut composite product is prepared by the following steps:

5. The method of making a die-cut composite product according to claim 4, wherein: step S5, die cutting the fourth semi-finished product by a forming cutter, rolling and cutting a product forming frame, rolling and half cutting the fourth semi-finished product onto a transparent grid release film on the surface of foam, wherein the transparent grid release film on the surface of the foam is continuous, and waste materials discharged from a product frame are discharged;

6. The apparatus for preparing a die-cut composite product according to claim 5, comprising:

7. The apparatus for preparing die-cut composite products according to claim 6, wherein: the first semi-finished product preparation module comprises a first composite mechanism, a second composite mechanism positioned at the downstream of the first composite mechanism, and a frame cutter, wherein the frame cutter is positioned above the material of the second composite roller; a first release film coiling frame and a first bottom supporting film coiling frame are respectively arranged on two opposite sides of the first compound mechanism;

the second semi-finished product preparation module comprises a third compound mechanism and a fourth compound mechanism, the fourth compound mechanism is positioned on one side of the downstream of the third compound mechanism, a second release film material rack and a bottom supporting protective film material rack are respectively arranged on two opposite sides of the third compound mechanism, and a first release film waste material rack is also arranged on one side of the bottom supporting protective film material rack; the fourth compound mechanism is provided with a second release film waste material rack at the same side of the second release film waste material rack.

8. The apparatus for preparing die-cut composite products according to claim 7, wherein: the third semi-finished product preparation module comprises a main material semi-finished product preparation module and a third semi-finished product composite preparation module, and the main material semi-finished product preparation module is positioned above or below the composite preparation module;

the main material semi-finished product preparation module comprises a bottom supporting film feeding roller set, wherein a bottom supporting film material rack is arranged on one side of the bottom supporting film feeding roller set, a metal foil compounding mechanism is arranged at the downstream of the bottom supporting film feeding roller set, and a metal foil material rack and a metal foil protection film collecting rack are arranged on one side of the metal foil compounding mechanism; a polyimide adhesive tape compounding mechanism is arranged at the downstream of the metal foil compounding mechanism, and a polyimide adhesive tape rack and a polyimide adhesive tape protective film collecting rack are arranged on one side of the polyimide adhesive tape compounding mechanism; the downstream of the polyimide adhesive tape compounding mechanism is provided with a foam compounding mechanism, one side of the foam compounding mechanism is provided with a foam material rack, the downstream of the foam compounding mechanism is provided with a die cutting assembly and an asynchronous positioning and transferring mechanism, and the die cutting assembly comprises a conveying mechanism and an asynchronous frame cutter;

the composite preparation module comprises a fifth composite mechanism located at the downstream of the fourth composite mechanism, the asynchronous positioning rotary bonding mechanism is located on one side of the fifth composite mechanism, and a bottom supporting film waste material rack is further arranged on one side of the fifth composite mechanism.

9. The apparatus for preparing die-cut composite products according to claim 8, wherein: the fourth semi-finished product preparation module comprises a transparent strong and weak adhesive tape composite preparation module and a fourth semi-finished product composite preparation module;

the transparent strong and weak adhesive tape composite preparation module comprises a double-layer silicone film feeding roller set, and a silicone film protective film collecting frame is arranged on one side of the double-layer silicone film feeding roller set; a first single-sided adhesive tape compounding mechanism is arranged at the downstream of the double-layer silicone film feeding roller set; a first single-sided adhesive tape rolling and cutting mechanism is arranged at the downstream of the first single-sided adhesive tape compounding mechanism, a first single-sided adhesive tape rack is arranged on one side of the first single-sided adhesive tape compounding mechanism, the first single-sided adhesive tape rolling and cutting mechanism comprises a rolling and cutting tool, and a first single-sided adhesive tape waste rack is arranged on one side of the first single-sided adhesive tape rolling and cutting mechanism; a transparent strong and weak adhesive tape compounding mechanism is arranged at the downstream of the first single-sided adhesive tape roll cutting mechanism, and a transparent strong and weak adhesive tape rack and a transparent strong and weak adhesive tape strong adhesive surface protection film receiving rack are arranged on one side of the transparent strong and weak adhesive tape compounding mechanism; a second adhesive tape and third adhesive tape compounding mechanism is arranged at the downstream of the transparent strong and weak adhesive tape compounding mechanism, and a second adhesive tape and third adhesive tape rack and a transparent strong and weak adhesive tape surface protection film collecting rack are arranged at one side of the second adhesive tape and third adhesive tape compounding mechanism; a second adhesive tape and a third adhesive tape roll-cutting mechanism are arranged at the downstream of the second adhesive tape and third adhesive tape compounding mechanism, and a second adhesive tape and a third adhesive tape waste rack are arranged at one side of the second adhesive tape and third adhesive tape roll-cutting mechanism;

10. The apparatus for preparing die-cut composite products according to claim 9, wherein: the finished product cutting module comprises a product forming frame roll cutting mechanism positioned at the downstream of the sixth composite mechanism, a feeding roller set is arranged at the downstream of the product forming frame roll cutting mechanism, and a waste frame rack is arranged at one side of the feeding roller set; the low reaches of pay-off roller set are equipped with shaping material area limit sword hobbing machine and construct, one side of shaping material area limit sword hobbing machine is equipped with the waste material work or material rest, the low reaches of shaping material area limit sword hobbing machine constructs is equipped with finished product protection film combined mechanism, one side of finished product protection film combined mechanism is equipped with the protection film work or material rest, the low reaches of finished product protection film combined mechanism are equipped with finished product and receive the work or material rest.