CN113500660A - Differential contour sheet material opposite pasting method - Google Patents
Differential contour sheet material opposite pasting method Download PDFInfo
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- CN113500660A CN113500660A CN202110749548.6A CN202110749548A CN113500660A CN 113500660 A CN113500660 A CN 113500660A CN 202110749548 A CN202110749548 A CN 202110749548A CN 113500660 A CN113500660 A CN 113500660A
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- sheet
- film material
- base film
- die
- carrier film
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- 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
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- 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
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- 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
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- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides a method for oppositely pasting sheets with different outlines, which comprises the following steps: a) attaching a shielding sheet to the first base film and covering the second base film; b) die cutting positioning holes; c) separating the second base film, and covering a back adhesive material on the second base film; d) die cutting the gum material; e) and (6) pasting. According to the invention, when the positioning holes are die-cut, the first bottom die material and the second bottom die material are simultaneously die-cut, the positioning holes of the two bottom die materials are consistent, and when the die-cutting back glue is applied, the existing positioning holes are adopted, so that when the first bottom die material and the second bottom die material are adhered, the positioning holes of the first bottom die material and the positioning holes of the second bottom die material can be aligned one by one, manual operation is not needed, the adhering equipment can be utilized, and the adhering efficiency is high.
Description
Technical Field
The invention belongs to the technical field of multilayer material composite processing, and particularly relates to a method for attaching sheet materials with different profiles.
Background
With the development of electronic communication and other manufacturing industries, multiple layers of materials are often required to be compounded together for processing. When the outline of two sheet materials or film materials to be compounded is different, the pasting processing is needed. In order to ensure that the relative positions of the two sheets or film materials are consistent each time the two sheets or film materials are attached to each other, the positioning holes on the rolled materials are generally used to realize physical positioning and alignment. When a flat cutter machine, a punch press and the like are used for die cutting and attaching, two or more materials are respectively die-cut generally, then positioning holes in the materials are utilized for aligning and attaching and assembling, and the assembling is generally completed manually or by using a special attaching machine.
Due to process limitations, some sheet materials cannot be directly made into continuous rolls, but are compounded on the bottom supporting bearing film one by one, such as a ferrite shielding sheet shown in fig. 1, wherein the shielding sheet 1 is arranged on the bottom film 2, and as the shielding sheet 1 may generate an outer contour error such as an error of width W in the processing process and an error of a distance L1 when being covered on the bottom film 2, in order to assemble the accuracy of the corresponding opposite materials of each shielding sheet, the distance L2 of the positioning holes 21 may need to be adjusted according to the specific distribution of the shielding sheets when the positioning holes 21 are cut on the bottom supporting bearing film, so that the materials to be opposite with the non-uniformly distributed positioning holes are formed. When another material to be attached to the shielding plate, such as a back adhesive material, is processed and die-cut, the distribution of the positioning holes is different from that of the positioning holes on the bottom supporting bearing film bearing the shielding plate, so that the direct attaching of attaching equipment cannot be adopted. Under the condition, the manual assembly can only be adopted to carry out production in a pasting mode, the manual pasting mode is low in pasting precision, the efficiency is extremely low, and the cost is very high.
Disclosure of Invention
The invention mainly aims to provide a method for efficiently attaching sheet materials with different contour shapes after respective die cutting.
In order to achieve the main purpose, the invention provides a differential contour sheet pasting method, which comprises the following steps:
a) adhering a plurality of first sheet materials with first outlines on a first base film material along the length direction of the first base film material, and covering a second base film material on the first sheet materials;
b) according to the position of the first flaky material along the width direction of the first base film material, die-cutting a plurality of positioning holes which penetrate through the first base film material and the second base film material on the outer side of the first flaky material, forming a first positioning hole on the first base film material, and forming a second positioning hole on the second base film material;
c) separating the second carrier film material from the first carrier film material and the first sheet material and laminating a second sheet material to the second carrier film material;
d) die-cutting the second sheet material by using the second positioning hole to form a second outline required by the second sheet material during pasting;
e) and aligning the first positioning hole with the second positioning hole, and attaching the first base film material and the second base film material in a mode that the first flaky material and the second flaky material are opposite.
According to the scheme, when the die cutting positioning holes are formed, the die cutting is simultaneously performed on the first bottom film material and the second bottom film material, so that the positioning holes of the two bottom die materials are consistent and are determined according to the position of the first flaky material, when the die cutting is performed on the second flaky material to form the outer contour of the second flaky material, the adopted positioning holes are the existing positioning holes of the second bottom film material, the position of the second flaky material relative to the first flaky material is determined, when the die cutting is performed on the second flaky material and the first flaky material, the positioning holes of the first bottom film material and the positioning holes of the second bottom film material can be aligned one by one, the second flaky material can be pasted on the same set position of the first flaky material, manual operation is not needed, the pasting can be performed by utilizing pasting equipment, and the pasting efficiency is high.
According to one embodiment of the invention, the second carrier film material has a first side and a second side, and in step a, the first side of the second carrier film material faces the first sheet material and the first carrier film material; in step c, laminating a second sheet material to the first side of the second carrier film material; in step e, the first side of the second carrier film material faces the first sheet material and the first carrier film material.
As can be seen from the above solutions, it is determined that the first positioning holes of the first base film material and the second positioning holes of the second base film material can be aligned one by one when the first base film material and the first sheet material are kept facing each other by each operation, so that the second sheet material can be attached to the same set position of the first sheet material.
According to a specific embodiment of the present invention, the method further comprises:
f) removing the second bottom die material, and die-cutting the first flaky material, the second flaky material and the first bottom die material by using the first positioning hole to form the shape of a final product;
g) and removing the first base film material on the product obtained in the previous step to form a final product.
As can be seen from the above solution, the first and second adhered sheet materials can be die-cut and the base film is removed to obtain a composite sheet material.
According to an embodiment of the present invention, in step e, the first sheet material and the second sheet material are attached to each other by using the die cutting device, the positioning post of the cutting die passes through the second positioning hole and the first positioning hole, and the cutting die excluding the cutting blade moves downward to press the first sheet material and the second sheet material.
According to the scheme, the first flaky material and the second flaky material can be attached to each other by improving the die cutting equipment, the attaching equipment is not required to be specially arranged, and the cost can be saved.
According to an embodiment of the invention, the second carrier film material has a width corresponding to the width of the first carrier film material, and in step a, the second carrier film material completely covers the first sheet material and the first carrier film material. According to the scheme, the width of the two base film materials is consistent, and the second base film material is completely aligned with the second base film material when the positioning holes are machined, so that the first base film material and the second base film material are more easily aligned when the base film materials are attached to each other, and alignment between the first positioning holes and the second positioning holes is facilitated.
According to an embodiment of the present invention, in step b, the die-cut positioning holes are located on both sides of the first sheet material in the width direction of the first and second base film materials. According to the scheme, the first sheet material can be positioned through the at least two positioning holes, so that the positioning is more accurate, and the attaching precision is high.
According to an embodiment of the present invention, in the step c, the width of the second sheet material laminated on the second base film material in the width direction of the second base film material is smaller than the distance between the second positioning holes. According to the scheme, the second sheet material can be arranged between the positioning holes along the width direction of the second base film material, and can be positioned at least through two positioning holes when die cutting is carried out on the second sheet material.
According to an embodiment of the invention, in step c, the first carrier film material and the first sheet material form a first web after the second carrier film material is separated from the first sheet material. As can be seen from the above, a roll can be obtained by attaching the first sheet material to the base film material, thereby facilitating the feeding of the first sheet material at the time of attachment.
In accordance with an embodiment of the present invention, after forming the second sheet of material having the second profile in step d, the second carrier film material and the second sheet of material form a second web. As can be seen from the above, the feeding of the second sheet material at the time of pasting is facilitated by the second web.
According to an embodiment of the invention, in step e, the first web and the second web enter the facing device with the first registration hole aligned with the second registration hole to apply the first sheet material and the second sheet material.
According to the scheme, the first flaky material and the second flaky material are arranged into coiled materials through the bottom film material, the materials can be conveniently supplied, the first positioning hole is aligned with the second positioning hole, the second flaky material can be located at the same set position of the first flaky material when the materials are attached, the operation is further convenient, and the production efficiency is improved.
As used herein, the terms "first," "second," and the like, are used to distinguish or refer to the same or similar elements or structures, and do not necessarily limit the order in which the elements or structures are spatially or temporally arranged, nor do they necessarily have to be in a single order.
To more clearly illustrate the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a schematic view of a base film with a shield sheet;
FIG. 2 is a schematic process flow diagram of an embodiment of the present invention;
fig. 3a is a schematic plane view of a second base film material overlaying a first base film material according to an embodiment of the present invention, and fig. 3b is a schematic side view of fig. 3 a;
fig. 4a is a schematic plan view illustrating die cutting of a first base mold material and a second base mold material according to an embodiment of the present invention, fig. 4b is a schematic side view illustrating fig. 4a, and fig. 4c is a schematic side view illustrating a cutting die during die cutting;
fig. 5a is a schematic plan view of a first carrier film material after removal of a second carrier film material in an embodiment of the invention, and fig. 5b is a schematic side view of fig. 5 a;
fig. 6a is a schematic plan view and fig. 6b is a schematic side view of a first carrier film material removed from the first carrier film material according to an embodiment of the present invention;
fig. 7a is a schematic plan view of an embodiment of the present invention after a second sheet of material is coated over a second carrier film material, and fig. 7b is a schematic side view of fig. 7 a;
FIG. 8a is a schematic plan view, FIG. 8b is a schematic side view, and FIG. 8c is a schematic side view of a cutting die during die cutting of a second sheet of material in accordance with an embodiment of the present invention;
FIG. 9a is a schematic plan view of a first sheet of material and a second sheet of material in an embodiment of the invention after being attached together, and FIG. 9b is a schematic side view of FIG. 9 a;
fig. 10a is a schematic plan view of an embodiment of the present invention after aligning and removing the second carrier film material, and fig. 10b is a schematic side view of fig. 10 a;
FIG. 11a is a schematic plan view, FIG. 11b is a schematic side view, and FIG. 11c is a schematic side view of a cutting die during cutting of the outer contour according to an embodiment of the present invention;
fig. 12a is a schematic plan view of a final product according to an embodiment of the present invention, and fig. 12b is a schematic side view of fig. 12 a.
Detailed Description
A process flow diagram of an embodiment of the present invention is shown in fig. 2, which illustrates a first sheet material as a shielding sheet and a second sheet material as a backing adhesive, it being understood that the first sheet material may be other material than a shielding sheet and not easily formed into a web, and the second sheet material may be other material than a backing adhesive and capable of forming a web. As shown in fig. 2, the differential contour sheet attaching method includes the following steps: a) attaching a shielding sheet to the first base film and covering the second base film; b) die cutting positioning holes; c) separating the second base film, and covering a back adhesive material on the second base film; d) die cutting the gum material; e) pasting oppositely; f) removing the second base film, and die-cutting the shielding sheet; g) and removing the first base film to obtain the product. In other embodiments, the shielding sheet after being attached with the back adhesive material may not need to be die-cut, so that the first base film and the second base film may be removed after being attached without going through step f to obtain the desired product. In other embodiments, the adhesive backed material may also be partially die cut while the mask is being die cut in step f.
The following describes each specific step of the embodiment of the present invention in detail with reference to fig. 3 to 12.
As shown in fig. 3a and 3b, a shield sheet P1 as a first sheet material is attached to a base film D1 as a first base film material, and then a base film D2 as a second base film material is covered on a side of the base film D1 to which the shield sheet P1 is attached, so that the shield sheet P1 is sandwiched between the base films D1 and D2, and a side of the base film D2 facing the shield sheet P1 may be a first side thereof. The base film D2 is preferably the same width as the base film D1 so that the base film D2 may completely cover the base film D1 and the shielding sheet P1. When the shielding sheets P1 are attached to the base film D1, the distances between the shielding sheets P1 may be different, and the shielding sheets P1 may have a difference in width or length, but as long as the positions of the shielding sheets to which the back adhesive material is attached are identical with respect to one side edge or the center thereof, the positions of the positioning holes are identical with respect to the side edge or the center thereof when the positioning holes are die-cut.
As shown in fig. 4a and 4b, positioning holes are cut on the carrier films D1 and D2 using a cutter die K1 shown in fig. 4c according to the specific position of the shield sheet on the carrier film D1. When in die cutting, the cutter K11 of the cutter die K1 penetrates through the bottom films D1 and D2 at the same time, a first positioning hole D11 and a second positioning hole D21 which are in one-to-one correspondence are left on the bottom films D1 and D2, the sequences of the positioning holes D11 and D21 are identical and the intervals are consistent along the length direction of the bottom films, and the positioning holes are preferably arranged on both sides of the shielding sheet along the width direction of the bottom films.
And then the base film D2 is separated from the base film D1 and the shield sheet P1, fig. 5a and 5b show the base film D1 and the shield sheet P1 thereon, in which the base film D1 has positioning holes D11 thereon, and the base film D1 and the shield sheet P1 thereon form a first roll, and fig. 6a and 6b show the base film D2 having positioning holes D21 thereon.
As shown in fig. 7a and 7b, a back adhesive material P cooperating as a second sheet material is coated on the base film D2, and the width of the back adhesive material P is preferably smaller than the distance between the positioning holes D21 in the width direction of the base film, i.e., the back adhesive material is positioned between the positioning holes, the positioning holes on both sides are exposed, and the surface of the base film D coated with the back adhesive material P may be the first surface thereof.
As shown in fig. 8a and 8b, a cutter die K2 shown in fig. 4c is positioned by a positioning hole D21, a cutter K21 cuts the back adhesive material P, and a sheet P2 having a desired profile is formed on the base film D2 after removing excess material. The cutter die K2 is provided with a positioning column K22, and the positioning column K22 penetrates into the positioning hole D21 during die cutting, so that a back glue material sheet P2 corresponding to the shielding sheet P1 one to one is formed on the back glue material P, and the bottom film D2 and the back glue material sheet P2 on the bottom film form a second coiled material.
The shielding plate P1 and the adhesive-backed material sheet P2 are faced to each other, the sequence of the positioning holes D11 and D21 are aligned one by one, the shielding plate P1 and the adhesive-backed material sheet P2 are attached together and pressed to complete the attachment, and as shown in fig. 9a and 9b, the shielding plate P1 and the adhesive-backed material sheet P2 are sandwiched between the carrier films D1 and D2. The step can be completed by using special attaching equipment, and equipment used in die cutting is used, and only a cutting knife on a cutting die is required to be removed.
When the die cutting equipment is used for attaching, the first coiled material and the second coiled material enter the die cutting equipment simultaneously in a mode that the shielding sheet P1 and the gum material sheet P2 face each other, the sequences of the positioning holes D11 and D21 are consistent and are aligned one by one, then the positioning columns on the cutting die penetrate into the positioning holes D11 and D21, the lower bottom surface of the cutting die is contacted with the bottom film, the cutting die further moves towards a bearing table of the die cutting equipment, the bottom film D1, the shielding sheet P1, the gum material sheet P2 and the bottom film D2 are clamped between the bearing table and the lower bottom surface of the cutting die, and the shielding sheet P1 and the gum material sheet P2 are pressed together to finish attaching.
The base film 2 is removed to form a structure as shown in fig. 10a and 10b, and a shielding sheet P1 and a sheet P2 of a back adhesive material are supported on the base film D1. If the outer contour of the shielding plate and/or the adhesive-backed material is to be further processed, the outer contour can be processed by using a cutting die K3 shown in fig. 11c, and the product shown in fig. 11a and 11b can be obtained. When die cutting is carried out, the positioning column K32 of the cutter die K3 penetrates through the positioning hole of the bottom film D1, and the shielding sheet and/or the gum material and the bottom film D1 are simultaneously die-cut by the cutter K31.
Then, the base film D1 attached to the shielding sheet P1 was removed, and the final product as shown in fig. 12a and 12b was obtained.
Although the invention has been described with respect to preferred embodiments, it will be understood by those skilled in the art that various changes may be made without departing from the scope of the invention, and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. The differential contour sheet attaching method comprises the following steps:
a) adhering a plurality of first sheet materials with first outlines on a first base film material along the length direction of the first base film material, and covering a second base film material on the first sheet materials;
b) according to the position of the first flaky material along the width direction of the first base film material, die-cutting a plurality of positioning holes which penetrate through the first base film material and the second base film material on the outer side of the first flaky material, forming a first positioning hole on the first base film material, and forming a second positioning hole on the second base film material;
c) separating the second carrier film material from the first carrier film material and the first sheet material and laminating a second sheet material to the second carrier film material;
d) die-cutting the second sheet material by using the second positioning hole to form a second outline required by the second sheet material during pasting;
e) and aligning the first positioning hole with the second positioning hole, and attaching the first base film material and the second base film material in a mode that the first flaky material and the second flaky material are opposite.
2. The differential contour sheet attaching method according to claim 1, characterized in that:
a second carrier film material having a first side and a second side, the first side of the second carrier film material facing the first sheet material and the first carrier film material in step a; in step c, laminating a second sheet material to the first side of the second carrier film material; in step e, the first side of the second carrier film material faces the first sheet material and the first carrier film material.
3. The differential contour sheet attaching method according to claim 1, characterized in that:
the method further comprises the following steps:
f) removing the second bottom die material, and die-cutting the first flaky material, the second flaky material and the first bottom die material by using the first positioning hole to form the shape of a final product;
g) and removing the first base film material on the product obtained in the previous step to form a final product.
4. The differential contour sheet attaching method according to claim 1, characterized in that:
in the step e, the first sheet material and the second sheet material are attached to each other by using die cutting equipment, the positioning column of the cutting die penetrates through the second positioning hole and the first positioning hole, and the cutting die with the cutting knife removed moves downwards to pressurize the first sheet material and the second sheet material.
5. The differential profile sheet facing method according to any one of claims 1 to 4, wherein:
the width of the second carrier film material is the same as the width of the first carrier film material, and in step a, the second carrier film material completely covers the first sheet material and the first carrier film material.
6. The differential contour sheet attaching method according to claim 5, wherein:
in step b, the die-cut positioning holes are located on both sides of the first sheet material in the width direction of the first base film material and the second base film material.
7. The differential contour sheet attaching method according to claim 6, wherein:
in step c, the width of the second sheet material laminated on the second base film material in the width direction of the second base film material is smaller than the distance between the second positioning holes.
8. The differential profile sheet facing method according to any one of claims 1 to 4, wherein:
in step c, the first carrier film material and the first sheet material form a first web after the second carrier film material is separated from the first carrier film material and the first sheet material.
9. The differential contour sheet attaching method according to claim 8, wherein:
in step d, after forming a second sheet of material having a second profile, the second base film material and the second sheet of material form a second web.
10. The differential contour sheet attaching method according to claim 9, wherein:
in step e, the first and second webs enter the pasting device in a mode that the first positioning hole is aligned with the second positioning hole, and the first sheet-shaped material and the second sheet-shaped material are pasted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715031 | 2021-06-25 | ||
| CN2021107150315 | 2021-06-25 |
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| Publication Number | Publication Date |
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| CN113500660A true CN113500660A (en) | 2021-10-15 |
| CN113500660B CN113500660B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110749548.6A Active CN113500660B (en) | 2021-06-25 | 2021-07-01 | Differential contour sheet material opposite pasting method |
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| JP2012097128A (en) * | 2010-10-29 | 2012-05-24 | Tdk Corp | Sheet processing apparatus and sheet processing method |
| CN104626710A (en) * | 2015-02-06 | 2015-05-20 | 苏州达翔新材料有限公司 | Gum product processing technology and gum product |
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| CN110091384A (en) * | 2019-04-17 | 2019-08-06 | 东莞市马越实业有限公司 | It is a kind of can automatic press, waste discharge and blanking cross cutting gum method and mold |
| CN110948573A (en) * | 2019-12-30 | 2020-04-03 | 深圳安洁电子有限公司 | Annular high-viscosity double-sided adhesive die cutting process |
| CN111349403A (en) * | 2020-03-27 | 2020-06-30 | 深圳市伟业鑫精密科技有限公司 | Composite sheet for electronic device and method of manufacturing the same |
| CN112405703A (en) * | 2020-10-26 | 2021-02-26 | 东莞六淳智能科技股份有限公司 | Large-size gum die cutting process |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012097128A (en) * | 2010-10-29 | 2012-05-24 | Tdk Corp | Sheet processing apparatus and sheet processing method |
| CN104626710A (en) * | 2015-02-06 | 2015-05-20 | 苏州达翔新材料有限公司 | Gum product processing technology and gum product |
| CN109572144A (en) * | 2018-12-12 | 2019-04-05 | 深圳市飞荣达科技股份有限公司 | Aperture covers the asynchronous die cutting method in position and aperture covers the asynchronous die cutting qualified ratio in position |
| CN110091384A (en) * | 2019-04-17 | 2019-08-06 | 东莞市马越实业有限公司 | It is a kind of can automatic press, waste discharge and blanking cross cutting gum method and mold |
| CN110948573A (en) * | 2019-12-30 | 2020-04-03 | 深圳安洁电子有限公司 | Annular high-viscosity double-sided adhesive die cutting process |
| CN111349403A (en) * | 2020-03-27 | 2020-06-30 | 深圳市伟业鑫精密科技有限公司 | Composite sheet for electronic device and method of manufacturing the same |
| CN112405703A (en) * | 2020-10-26 | 2021-02-26 | 东莞六淳智能科技股份有限公司 | Large-size gum die cutting process |
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| CN113500660B (en) | 2022-11-01 |
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