CN113733205A - Method for manufacturing copper foil die-cut piece - Google Patents
Method for manufacturing copper foil die-cut piece Download PDFInfo
- Publication number
- CN113733205A CN113733205A CN202010480613.5A CN202010480613A CN113733205A CN 113733205 A CN113733205 A CN 113733205A CN 202010480613 A CN202010480613 A CN 202010480613A CN 113733205 A CN113733205 A CN 113733205A
- Authority
- CN
- China
- Prior art keywords
- copper foil
- die
- sided adhesive
- double
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
- B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
-
- 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
- B26F1/44—Cutters therefor; Dies therefor
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
-
- 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
- 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
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- 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
- B32B38/04—Punching, slitting or perforating
- B32B2038/045—Slitting
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to a manufacturing method of a copper foil die-cut piece, which comprises a single-sided adhesive layer, a copper foil layer, a double-sided adhesive layer and a release paper layer which are sequentially arranged from top to bottom, wherein the outline of the single-sided adhesive layer comprises a superposition section and a staggered section, the superposition section is superposed with the outline of the copper foil layer, and the staggered section is positioned on the surface of the copper foil layer and is staggered with the outline of the copper foil layer; according to the manufacturing method, the groove structure is processed on the double-sided adhesive material, obvious marks are generated at the position of the groove structure after the copper foil is attached to the groove structure, and the accuracy of attachment of the single-sided adhesive layer is guaranteed by the marks. Compared with the prior art, the invention has the advantages of less working procedures, high processing efficiency, less used dies, high economic benefit and the like.
Description
Technical Field
The invention relates to the technical field of die cutting, in particular to a manufacturing method of a copper foil die-cut piece.
Background
The existing copper foil product comprises a single-sided adhesive layer, a copper foil layer, a double-sided adhesive layer and a release paper layer which are sequentially arranged from top to bottom, wherein the single-sided adhesive layer covers a part of the copper foil layer for insulation and cannot cover all the copper foil part, the exposed copper foil layer is used for welding, a large conductive adhesive and a small conductive adhesive are pasted on the other side of the copper foil layer to form the copper foil product, then a large conductive adhesive is pasted on the release paper layer, and the release paper layer has the same outline as the large conductive adhesive; in the processing process of the product, in order to ensure that no indentation is generated on the surface of the copper foil, the single-sided adhesive layer is required to be accurately attached to the surface of the copper foil according to a preset position, in order to ensure the attachment accuracy of the single-sided adhesive layer on the copper foil layer, a marking line needs to be processed on the surface of the copper foil, then an attaching machine is adopted to attach one side edge of the single-sided adhesive material by taking the marking line position as a reference, and the attachment accuracy in the process is +/-0.8 MM. However, the processing mode needs 3 steps of manufacturing, occupies machine time and has low processing efficiency.
Disclosure of Invention
The invention aims to provide a method for manufacturing a copper foil die-cut piece, aiming at overcoming the defects of complex process and low efficiency in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a method for manufacturing a copper foil die-cut piece comprises a single-sided adhesive layer, a copper foil layer, a double-sided adhesive layer and a release paper layer which are sequentially arranged from top to bottom, wherein the outline of the single-sided adhesive layer comprises a superposition section and a staggered section, the superposition section is superposed with the outline of the copper foil layer, and the staggered section is positioned on the surface of the copper foil layer and is staggered with the outline of the copper foil layer;
the manufacturing method comprises the following steps:
(a) sequentially attaching a release paper material, a double-faced adhesive material and an auxiliary release film to a bottom supporting adhesive tape, and continuously punching one side edge of the double-faced adhesive material and one side edge of the auxiliary release film by using a first punching cutter die to obtain a groove structure, wherein the groove structure is positioned in a non-product area on the material tape, and the bottom of the groove structure is positioned at a staggered section of the single-faced adhesive layer; waste materials of the double-faced adhesive material are discharged, and the auxiliary release film is completely torn off;
(b) a copper foil is attached to the double-sided adhesive material by using an attaching machine, and marks appear on the surface of the copper foil at the groove structure;
(c) taking the mark on the surface of the copper foil as a positioning mark, and attaching a single-sided adhesive material to the surface of the copper foil; and punching the outer contour of the product on the single-sided adhesive material, the copper foil, the double-sided adhesive material and the release paper material by adopting a second punching cutter die, and discharging waste to obtain the copper foil die-cut piece.
According to actual production experience, when the double-sided adhesive material is sunken, namely a glue-free area and a glue-containing area exist, after a copper foil is attached, obvious marks are marked on the copper foil due to the difference between the glue-free area and the glue-containing area, so that the marks of the groove structures can be generated on the copper foil through the design of the auxiliary groove structures between the cracks of the product area, after the copper foil is attached, the attaching effect of an attaching machine is added, the groove bottoms of the groove structures are used for positioning, the edges of the double-sided adhesive material are aligned to the groove bottom positions of the groove structures, and the attaching position accuracy of the single-sided adhesive material is ensured; meanwhile, in the whole normal production process, a positioning mark does not need to be processed on the surface of the copper foil independently, so that one die cutting step and one processing step are omitted, the production efficiency is greatly improved, and the cost is saved.
In the step (a), the patterns obtained by two adjacent punching on the surface of the material belt are connected end to end by the first punching cutter die, and the groove structures obtained by punching are connected into a whole through the side edges of the double-faced adhesive material.
If the recess is made alone, each groove structure separation is unfavorable for the waste material of the double faced adhesive tape material in the groove structure to be wasted.
The first punching cutting die is provided with a positioning cutting line with the same groove structure and a first waste discharge auxiliary cutting line connected with the positioning cutting line, and the first waste discharge auxiliary cutting line is located in a non-product area on the material belt.
The first waste discharge auxiliary knife line is of a linear structure parallel to the side edge of the double-sided adhesive tape material.
Still be equipped with the supplementary tool line of wasting discharge of second on the first die-cut cutting die, the supplementary tool line of wasting discharge of first waste and second are located the both sides in product district.
For a copper foil product with a special structure, the double-sided adhesive layer of the copper foil product comprises a main adhesive area with a larger area, a secondary adhesive area with a smaller area and a non-adhesive area which is separated from the main adhesive area and the secondary adhesive area; the main rubber area is located below the single-side rubber layer, and the first punching cutting die is further provided with a rubber-free area cutting line matched with the contour of the upper edge and the lower edge of the rubber-free area.
In the step (a), the outlines of the non-adhesive areas obtained by the first punching cutter die in the material strip in the two adjacent punching processes are connected end to end, and finally the non-adhesive areas on the material strip are connected into a strip-shaped structure, so that waste discharge of waste materials in the non-adhesive areas is facilitated.
The release paper layer and the main adhesive area are completely overlapped up and down, and the outer outlines of the copper foil layer and the double-sided adhesive layer are overlapped up and down; and the non-adhesive area knife line on the first punching knife die correspondingly punches the outline of the release paper layer close to the non-adhesive area on the release paper material.
The second punching cutting die is provided with a first outer contour cutting line matched with the residual contour of the release paper layer and a second outer contour cutting line matched with the outer contour of the side, far away from the main glue area, of the secondary glue area; the punching layers of the first outer contour knife line are single-sided adhesive material, copper foil, double-sided adhesive material and release paper material, and the punching layers of the second outer contour knife line are single-sided adhesive material, copper foil and double-sided adhesive material.
The double-faced adhesive material is a conductive double-faced adhesive material.
The single-sided adhesive material is PET single-sided adhesive.
In the present invention, the thickness of the copper foil is about 0.05mm, for example, 0.03 to 0.07 mm.
Compared with the prior art, the invention has the following advantages:
(1) the processing mode creatively utilizes the characteristic that the surface of the copper foil can generate obvious marks in the non-adhesive area of the double-sided adhesive tape, the groove structure is processed on the double-sided adhesive tape, and the marks generated by the groove structure are utilized for positioning, so that the processing steps are reduced, the die cutting machine is reduced, the punching and cutting procedure is saved, the die cost is saved, the machine table occupation time of the product is saved, the processing time is reduced, and the processing efficiency and the economic cost are favorably improved;
(2) when preparation positioning groove, set up first supplementary waste discharge knife line, this knife line can let each groove structure link together through the side that first supplementary waste discharge knife line surely goes out on the double faced adhesive tape layer, forms a whole, conveniently wastes discharge.
Drawings
FIG. 1 is a schematic structural view of a copper foil die-cut piece according to the present invention;
FIG. 2 is a schematic diagram of a manufacturing method according to the present invention;
FIG. 3 is a schematic structural view of a die cutter and die cutting levels used in the present invention;
FIG. 4 is a schematic structural view of the strip after one-time punching in the present invention;
FIG. 5 is a schematic view of a manufacturing method in a comparative example;
FIG. 6 is a schematic structural view of a die cutter and die cut levels used in the comparative example;
in the drawing, 1 is a copper foil die-cutting member, 101 is a single-sided adhesive layer, 102 is a copper foil layer, 103 is a double-sided adhesive layer, 104 is a release paper layer, 2 is a first punching cutter die, 201 is a positioning cutter line, 202 is a first waste discharge auxiliary cutter line, 203 is a non-adhesive area cutter line, 204 is a second waste discharge auxiliary cutter line, 3 is a second punching cutter die, 301 is a first outer contour cutter line, 302 is a second outer contour cutter line, 4 is a release paper material, 5 is a double-sided adhesive material, 6 is an auxiliary release film, 7 is a backing tape, 8 is a copper foil, 9 is a single-sided adhesive material, 10 is an auxiliary release film and a double-sided adhesive waste material, 11 is a release film waste, 12 is a feeding direction, 13 is an adhesive area, 14 is a non-adhesive area, 15 is a marking cutter line, and 16 is a third punching cutter die.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Examples
The structure of the copper foil die-cut piece is shown in figure 1, and the copper foil die-cut piece comprises a single-sided adhesive layer 101, a copper foil layer 102, a double-sided adhesive layer 103 and a release paper layer 104 which are sequentially arranged from top to bottom, wherein the single-sided adhesive layer 101 is made of PET single-sided adhesive and plays an insulating role, and the double-sided adhesive layer 103 is conductive double-sided adhesive. From the outline, the outline of the single-sided adhesive layer 101 comprises an overlapped section and a staggered section, the overlapped section is overlapped with the outline of the copper foil layer 102, the staggered section is positioned on the surface of the copper foil layer 102 and is staggered with the outline of the copper foil layer 102, the double-sided adhesive layer attached to the copper foil layer 102 comprises a main adhesive area with a larger area, a secondary adhesive area with a smaller area and a non-adhesive area with the main adhesive area and the secondary adhesive area separated, and the release paper layer 104 at the lowest layer is overlapped with the outline of the main adhesive area up and down; the copper foil layer of the copper foil product is covered by a single-sided adhesive layer 101 and a release paper layer 104 from top to bottom, the exposed part of the copper foil layer 102 is welded, and the release paper layer 104 is used as a handle release paper;
the manufacturing method of the copper foil die-cut piece comprises the following steps, wherein the specific die-cutting method is shown in figure 2, and the feeding direction 12 of the material belt in the die-cutting process is shown as an arrow in the figure:
(a) the release paper material 4, the double-faced adhesive tape material 5 and the auxiliary release film 6 are sequentially attached to the backing adhesive tape 7, the material tape is punched by adopting a first punching cutter die 2 shown in the left drawing in fig. 3, the first punching cutter die 2 is provided with a positioning cutter line 201 with a groove structure, a first waste discharge auxiliary cutter line 202 connected with the positioning cutter line 201, a second waste discharge auxiliary cutter line 204 arranged at the opposite position of the first waste discharge auxiliary cutter line 202 and a non-adhesive area cutter line corresponding to the upper and lower outlines of a non-adhesive area, wherein the non-adhesive area cutter line is divided into an upper non-adhesive area cutter line and a lower non-adhesive area cutter line which are parallel to each other, the area between the first waste discharge auxiliary cutter line 202 and the second waste discharge auxiliary cutter line 204 is a product area, and the positioning cutter line 201 is connected with the end part of the first waste discharge auxiliary cutter line 202; the first punching cutter die 2 continuously punches on one side edge of the double-sided adhesive material 5 and the auxiliary release film 6 to obtain a groove structure, the groove structure is positioned in a non-product area on the material belt, and the bottom of the groove structure is positioned at a staggered section of the single-sided adhesive layer 101; the waste materials of the double-faced adhesive material 5 are discharged, and the auxiliary release film 6 is completely torn off; the patterns obtained by two adjacent punching on the surface of the material belt are connected end to end by the first punching cutter die 2, and the groove structures obtained by punching are connected into a whole through the side edges of the double-sided adhesive material 5, so that the subsequent waste discharge is facilitated; in the upper non-adhesive area knife lines of the first punching knife die 2, the non-adhesive area knife line close to the first waste discharge auxiliary knife line 202 punches an upper outline of a non-adhesive area on the auxiliary release film 6 and the double-sided adhesive material 5, and the non-adhesive area knife line close to the second waste discharge auxiliary knife line 204 punches a lower outline of the non-adhesive area on the auxiliary release film 6, the double-sided adhesive material 5 and the release paper material 4; the punching layers of the first waste discharge auxiliary knife line 202, the second waste discharge auxiliary knife line 204 and the positioning knife line 201 are an auxiliary release film 6 and a double-sided adhesive material 5; when waste is discharged, the auxiliary release films and the double-sided adhesive tape waste 10 on the two sides are torn off, and at the moment, the groove structure is formed; then tearing off the middle release film waste 11;
(b) a copper foil 8 is attached to the double-sided adhesive material 5 by using an attaching machine, as shown in fig. 4, an adhesive area 13 and a non-adhesive area 14 are arranged below the copper foil 8, a shadow area is the adhesive area 13, and after the attaching by using the attaching machine, marks appear on the surface of the copper foil 8 at the groove structure;
(c) taking the mark on the surface of the copper foil 8 as a positioning mark, and attaching a single-sided adhesive material 9 to the surface of the copper foil 8; the second punching cutting die 3 shown in figure 3 is adopted to punch and cut the outer contour of the product on the single-sided adhesive material 9, the copper foil 8, the double-sided adhesive material 5 and the release paper material 4, and a copper foil die-cut piece is obtained after waste discharge; wherein, the second punching cutting die 3 is provided with a first outer contour cutting line 301 matched with the residual contour of the release paper layer 104 and a second outer contour cutting line 302 matched with the outer contour of the side of the secondary adhesive area far away from the main adhesive area; the punching layers of the first outer contour knife line 301 are the single-sided adhesive material 9, the copper foil 8, the double-sided adhesive material 5 and the release paper material 4, the punching layers of the second outer contour knife line 302 are the single-sided adhesive material 9, the copper foil 8 and the double-sided adhesive material 5, and waste materials outside the remaining contour are discharged one by one to obtain a copper foil die-cut piece.
The die cutting system corresponding to the method of the embodiment comprises the following steps:
the die-cutting machine comprises a first laminating machine, a first die-cutting die 2, a first waste discharge mechanism, a second laminating machine, a third laminating machine, a second die-cutting die 3 and a second waste discharge mechanism which are arranged in sequence;
the first laminating machine sequentially laminates the release paper material 4, the double-faced adhesive tape material 5 and the auxiliary release film 6 on the bottom supporting adhesive tape 7; the first punching cutter die 2 continuously punches on one side edge of the double-sided adhesive material 5 and the auxiliary release film 6 to obtain a groove structure, the groove structure is positioned in a non-product area on the material belt, and the bottom of the groove structure is positioned at a staggered section of the single-sided adhesive layer 101; the first waste discharge mechanism discharges waste materials after the primary punching, and the double-sided adhesive material 5 is exposed; the copper foil 8 is attached to the double-faced adhesive material 5 by the second attaching machine, and marks appear on the surface of the attached copper foil 8 at the groove structure; the third laminating machine takes the mark on the surface of the copper foil 8 as a positioning mark, and a single-sided adhesive material 9 is laminated on the surface of the copper foil 8; the second punching cutter die 3 punches the outline of the product on the single-sided adhesive material 9, the copper foil 8, the double-sided adhesive material 5 and the release paper material 4; the second waste discharge mechanism discharges waste materials outside the outer contour.
According to the method and the corresponding die-cutting system, the discovery that the obvious mark is generated on the copper foil due to the difference between the glue-free area and the glue-containing area is utilized, a mark is made between product seams during cutter design, the single-sided glue is attached by the mark generated by the difference generated by the glue-free area, and the one-step die-cutting process is omitted; the punching process is saved, and the die cost is saved; the time of the product occupying the machine table is saved, and the processing time is reduced.
Comparative example
The comparative example is the current die cutting method and die cutting rule structure of the company, the die cutting method is shown in figure 5, the first punching is carried out to manufacture the glue-free area in the product, the second copper foil pasting is carried out to make a mark line for pasting single-sided glue on the copper foil, the third punching is carried out to manufacture the outer frame of the product, and the specific steps are as follows:
(a) the release paper material 4, the double-faced adhesive tape material 5 and the auxiliary release film 6 are sequentially attached to the backing adhesive tape 7, the material tape is punched by adopting a first punching cutter die 2 shown in the left drawing in fig. 6, the first punching cutter die 2 is provided with a first waste discharge auxiliary cutter line 202, a second waste discharge auxiliary cutter line 204 arranged at the opposite position of the first waste discharge auxiliary cutter line 202 and a non-adhesive area cutter line 203 corresponding to the upper and lower outlines of a non-adhesive area, wherein the non-adhesive area cutter line is divided into an upper non-adhesive area cutter line and a lower non-adhesive area cutter line which are parallel to each other, the area between the first waste discharge auxiliary cutter line 202 and the second waste discharge auxiliary cutter line 204 is a product area, and patterns obtained by twice adjacent punching on the surface of the material tape by the first punching cutter die 2 are connected end to end; in the upper non-adhesive area knife lines of the first punching knife die 2, the non-adhesive area knife line close to the first waste discharge auxiliary knife line 202 punches an upper outline of a non-adhesive area on the auxiliary release film 6 and the double-sided adhesive material 5, and the non-adhesive area knife line close to the second waste discharge auxiliary knife line 204 punches a lower outline of the non-adhesive area on the auxiliary release film 6, the double-sided adhesive material 5 and the release paper material 4; the punching layers of the first waste discharge auxiliary knife line 202 and the second waste discharge auxiliary knife line 204 are an auxiliary release film 6 and a double-sided adhesive material 5; when waste is discharged, the auxiliary release films and the double-sided adhesive tape waste 10 on the two sides are torn off, and then the release film waste 11 in the middle is torn off;
(b) attaching a copper foil 8 to the double-sided adhesive material 5 by using an attaching machine, punching a non-product area of the copper foil 8 by using a third punching cutting die 16, wherein a marking cutting line 15 is arranged on the third punching cutting die 16, and two short transverse lines are processed on the surface of the copper foil 8 to be used as marks;
(c) marking the surface of the copper foil 8 as a positioning mark, and attaching a single-sided adhesive material 9 to the surface of the copper foil 8, wherein the side edge of the single-sided adhesive material 9 is just positioned between two short transverse lines, namely the composite attachment precision is achieved; a second punching cutting die 3 shown in figure 5 is adopted to punch and cut the outer contour of the product on the single-sided adhesive material 9, the copper foil 8, the double-sided adhesive material 5 and the release paper material 4, and a copper foil die-cut piece is obtained after waste discharge; wherein, the second punching cutting die 3 is provided with a first outer contour cutting line 301 matched with the residual contour of the release paper layer 104 and a second outer contour cutting line 302 matched with the outer contour of the side of the secondary adhesive area far away from the main adhesive area; the punching layers of the first outer contour knife line 301 are the single-sided adhesive material 9, the copper foil 8, the double-sided adhesive material 5 and the release paper material 4, the punching layers of the second outer contour knife line 302 are the single-sided adhesive material 9, the copper foil 8 and the double-sided adhesive material 5, and waste materials outside the remaining contour are discharged one by one to obtain a copper foil die-cut piece.
In the punching method of the comparative example, three-step die cutting is needed, the processing efficiency is low, the cost for processing the die is high, and the economic benefit is low.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. The manufacturing method of the copper foil die-cut piece comprises a single-side adhesive layer (101), a copper foil layer (102), a double-side adhesive layer (103) and a release paper layer (104) which are sequentially arranged from top to bottom, wherein the outline of the single-side adhesive layer (101) comprises an overlapped section and a staggered section, the overlapped section is overlapped with the outline of the copper foil layer (102), and the staggered section is positioned on the surface of the copper foil layer (102) and is staggered with the outline of the copper foil layer (102);
the manufacturing method is characterized by comprising the following steps:
(a) sequentially attaching a release paper material (4), a double-sided adhesive material (5) and an auxiliary release film (6) to a backing adhesive tape (7), and continuously punching one side edge of the double-sided adhesive material (5) and the auxiliary release film (6) by using a first punching cutter die (2) to obtain a groove structure, wherein the groove structure is positioned in a non-product area on the material belt, and the bottom of the groove structure is positioned at a staggered section of the single-sided adhesive layer (101); waste materials of the double-faced adhesive material (5) are discharged, and the auxiliary release film (6) is completely torn off;
(b) a laminating machine is adopted to laminate a copper foil (8) on the double-sided adhesive material (5), and marks appear on the surface of the copper foil (8) at the groove structure;
(c) marking on the surface of the copper foil (8) as a positioning mark, and adhering a single-sided adhesive material (9) on the surface of the copper foil (8); and punching the outline of the product on the single-sided adhesive material (9), the copper foil (8), the double-sided adhesive material (5) and the release paper material (4) by using a second punching cutter die (3), and discharging waste to obtain the copper foil die-cut piece.
2. The method for manufacturing the copper foil die-cut piece according to claim 1, wherein in the step (a), the first die-cutting die (2) is connected end to end in the patterns obtained by two adjacent times of die-cutting on the surface of the material belt, and the groove structures obtained by die-cutting are connected into a whole through the side edges of the double-faced adhesive material (5).
3. The method for manufacturing the copper foil die-cut piece according to claim 1, wherein the first punching die (2) is provided with a positioning knife line (201) with the same groove structure and a first waste auxiliary knife line (202) connected with the positioning knife line (201), and the first waste auxiliary knife line (202) is positioned in a non-product area on the material belt.
4. The method for manufacturing the copper foil die-cut piece according to claim 3, wherein the first waste discharge auxiliary knife line (202) is a straight line structure parallel to the side edge of the double-faced adhesive material (5).
5. The method for manufacturing the copper foil die-cut piece according to claim 3, wherein the first punching die (2) is further provided with a second waste discharge auxiliary knife line (204), and the first waste discharge auxiliary knife line (202) and the second waste discharge auxiliary knife line (204) are positioned at two sides of the product area.
6. The method for manufacturing the copper foil die-cut piece according to claim 3, wherein the double-sided adhesive layer (103) comprises a main adhesive area with a larger area, a secondary adhesive area with a smaller area and a non-adhesive area which is separated from the main adhesive area and the secondary adhesive area; the main adhesive area is located below the single-side adhesive layer (101), and the first punching cutting die (2) is further provided with a non-adhesive area cutting line (203) matched with the contour of the upper edge and the lower edge of the non-adhesive area.
7. The method for manufacturing the copper foil die-cut piece according to claim 6, wherein the release paper layer (104) is completely overlapped with the main glue area from top to bottom, and the copper foil layer (102) is overlapped with the outline of the double-sided glue layer (103) from top to bottom; and a non-adhesive area knife line (203) on the first punching knife die (2) correspondingly punches the outline of the release paper layer (104) close to the non-adhesive area on the release paper material (4).
8. The method for manufacturing the copper foil die-cut piece according to claim 7, wherein the second die-cutting knife die (3) is provided with a first outer contour knife line (301) matched with the residual contour of the release paper layer (104) and a second outer contour knife line (302) matched with the outer contour of the side of the secondary adhesive area far away from the primary adhesive area; the punching layers of the first outer contour knife line (301) are a single-sided adhesive material (9), a copper foil (8), a double-sided adhesive material (5) and a release paper material (4), and the punching layers of the second outer contour knife line (302) are the single-sided adhesive material (9), the copper foil (8) and the double-sided adhesive material (5).
9. The method for manufacturing the copper foil die-cut piece according to claim 1, wherein the double-sided adhesive material (5) is a conductive double-sided adhesive material.
10. The method for manufacturing the copper foil die-cut piece according to claim 1, wherein the single-sided adhesive material (9) is PET single-sided adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480613.5A CN113733205A (en) | 2020-05-30 | 2020-05-30 | Method for manufacturing copper foil die-cut piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480613.5A CN113733205A (en) | 2020-05-30 | 2020-05-30 | Method for manufacturing copper foil die-cut piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113733205A true CN113733205A (en) | 2021-12-03 |
Family
ID=78727793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010480613.5A Pending CN113733205A (en) | 2020-05-30 | 2020-05-30 | Method for manufacturing copper foil die-cut piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113733205A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115260937A (en) * | 2022-07-21 | 2022-11-01 | 苏州伟铂瑞信电子科技有限公司 | Copper foil die-cutting processing method with anti-wrinkle function |
-
2020
- 2020-05-30 CN CN202010480613.5A patent/CN113733205A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115260937A (en) * | 2022-07-21 | 2022-11-01 | 苏州伟铂瑞信电子科技有限公司 | Copper foil die-cutting processing method with anti-wrinkle function |
| CN115260937B (en) * | 2022-07-21 | 2023-12-05 | 苏州伟铂瑞信电子科技有限公司 | Copper foil die cutting processing method with anti-wrinkling function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108656703B (en) | Die cutting method and device for conductive cloth with ultrathin single-sided adhesive layer | |
| CN211335010U (en) | Production system of hollow-out special-shaped double-faced adhesive tape die cutting piece | |
| CN113580262B (en) | Die cutting method and die cutting system for double-sided adhesive product containing multiple double-sided adhesive elements | |
| CN111376343A (en) | A cutting device for taking multilayer polyimide product of handle | |
| CN111440554A (en) | Double-sided adhesive tape wrapping foam assembly, production process thereof and accurate positioning wrapping equipment | |
| CN212948202U (en) | Die cutting system for double-sided adhesive tape product containing multiple double-sided adhesive tape elements | |
| CN111376346A (en) | Knife-free die cutting method and device for double-sided adhesive tape | |
| CN112140235A (en) | Method for die cutting foam | |
| CN111376342A (en) | A cutting device for miniaturized cotton product of bubble | |
| CN108237762B (en) | Die cutting device for multilayer conductive cloth | |
| CN212736207U (en) | Die cutting system for preventing surface of copper foil die cutting piece from generating knife marks | |
| CN113733205A (en) | Method for manufacturing copper foil die-cut piece | |
| CN212736208U (en) | Die-cutting machine for manufacturing protective film profile on surface of copper foil | |
| CN113733206A (en) | Method for manufacturing copper foil die-cut piece | |
| CN113733708B (en) | Manufacturing method of copper foil die-cut piece | |
| CN113977699A (en) | Punching method and punching device for square frame type foam product | |
| JP5537916B2 (en) | Sheet processing method | |
| CN103923574A (en) | Double-sided adhesive tape, manufacturing method thereof and method of adhering double-sided adhesive tape to FPC (Flexible Printed Circuit) product | |
| CN113977686B (en) | Preparation method of die-cut piece with copper foil | |
| CN113478569B (en) | Die-cutting product production process and die-cutting product production line | |
| CN112776086B (en) | Narrow strip die cutting piece capable of preventing poor stripping and manufacturing method thereof | |
| KR101650943B1 (en) | Manufacturing apparatus and method thereof for mobile phone window | |
| CN210176781U (en) | Multi-level double faced adhesive tape | |
| CN117690723B (en) | Superimposed die cutting process for multilayer nanocrystalline magnetic sheets | |
| CN212602295U (en) | Punching device for square frame type foam product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |