CN113977700B - Die-cutting piece preparation method capable of reducing glue pulling damage - Google Patents
Die-cutting piece preparation method capable of reducing glue pulling damage Download PDFInfo
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- CN113977700B CN113977700B CN202010734144.5A CN202010734144A CN113977700B CN 113977700 B CN113977700 B CN 113977700B CN 202010734144 A CN202010734144 A CN 202010734144A CN 113977700 B CN113977700 B CN 113977700B
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- die
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- 238000005520 cutting process Methods 0.000 title claims abstract description 40
- 239000003292 glue Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000047 product Substances 0.000 claims abstract description 38
- 239000002699 waste material Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000011265 semifinished product Substances 0.000 claims abstract description 8
- 239000002390 adhesive tape Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000004080 punching Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000002950 deficient Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B26D7/27—Means for performing other operations combined with cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
- Making Paper Articles (AREA)
Abstract
The invention relates to a die-cutting piece preparation method for reducing glue pulling damage, which comprises the following steps: (1) bonding of the material belts: sequentially attaching a handle film (2), a double-sided tape (3) and a bottom film (4) to the protective film (1) to form a material belt; (2) die cutting of the material belt: feeding the material belt into a die cutting machine for die cutting to form a die-cut piece semi-finished product; (3) waste discharge process: and (5) discharging the waste of the die-cut semi-finished product of the die-cut piece after the die cutting is finished to form a die-cut piece product (5). Compared with the prior art, the invention has the advantages of changing the waste discharge difficulty, reducing the defective rate of products and the like.
Description
Technical Field
The invention relates to the field of die-cutting piece preparation, in particular to a die-cutting piece preparation method capable of reducing glue pulling damage.
Background
In die-cut pieces, some concave products are too large and too small at one side, as shown in fig. 1, such products are generally divided into sheets and coiled materials, but when in manufacturing, the width of double-sided adhesive tape of the products in the waste discharging direction is inconsistent due to the fact that one side of the products is large and the other side is small, and the phenomena of adhesive pulling and breakage of the products are caused when waste is discharged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a die-cutting piece preparation method for reducing the damage of glue pulling.
The aim of the invention can be achieved by the following technical scheme:
in the prior art, the die-cut pieces to be discharged are generally discharged in a typesetting mode shown in fig. 2, namely, the connection line of the long side and the short side is perpendicular to the direction of discharge, and the phenomenon of glue pulling damage often occurs. Through long-time thinking and analysis by the inventor, the inventor finally finds that, because the lengths of the long side and the short side are much shorter than the whole width of the die-cut piece, and because the pulling force of tearing waste materials by the waste discharging roller is certain when waste is discharged, the pressure intensity of the waste materials can be distributed in the directions of the long side and the short side, and because the lengths of the long side and the short side are shorter than the whole width of the die-cut piece, especially the short side, the pressure intensity is very large because the lengths are very short, the back adhesion phenomenon can occur on the double faced adhesive tape at the die-cut position, the part at the short side can be directly and wholly broken due to the high pressure intensity, so that the product is bad, and after finding the root cause, the following specific scheme is formulated:
a method for manufacturing die-cut pieces for reducing glue pulling damage, comprising the following steps:
(1) Bonding of the material belts: sequentially attaching a handle film, a double-sided adhesive tape and a bottom film to the protective film to form a material belt;
(2) Punching the material belt: feeding the material belt into a die cutting machine for die cutting to form a die-cut piece semi-finished product;
(3) Waste discharge process: and discharging the waste of the die-cut semi-finished product of the die-cut piece after the die cutting is finished to form a die-cut piece product. The die-cut piece product only comprises a handle film, a double faced adhesive tape and a bottom film which are die-cut in the longitudinal direction.
Further, the die-cut piece product is provided with a short side and a long side, a concave shape is formed between the short side and the long side, and the width d of the concave shape is 10-15% of the length L of the die-cut piece product.
Further, the opening direction of the concave shape is perpendicular to the advancing direction of the material belt.
Further, the length l of the long side 2 Length l of short side 1 3-5 times of (3).
Further, the length l of the long side 2 Length l of short side 1 4 times of (2).
Further, the length l of the long side 2 40-60% of the die-cut piece product width D.
Further, the length l of the long side 2 50% of the die cut piece product width D.
Further, the die cutting machine is provided with a blade for punching and cutting the material belt, and the pattern enclosed by the blade is consistent with the pattern of the die cutting piece product.
Further, in the blade, the connecting line of the blade capable of die cutting to form the short side and the long side is parallel to the advancing direction of the material belt.
The array situation is shown in fig. 3, i.e. rotated 90 ° in the situation of fig. 2. I.e. the width direction of the die cut piece product is parallel to the direction of travel of the web. Therefore, the short side and the long side are transferred to the direction parallel to the material belt, the side bearing the tensile force of the waste discharge roller is converted into the side without the short side or the long side, namely the long side of the die-cutting piece product, and the width d of the concave shape is only 10-15% of the length L of the die-cutting piece product although the concave shape is passed during waste discharge, so that the pressure intensity is not increased greatly, and the phenomenon of glue pulling damage is avoided.
Further, the punching layer sequentially comprises a protective film, a handle film and a double faced adhesive tape from bottom to top.
Further, the waste material comprises the whole protective film and the frame waste material after the handle film and the double faced adhesive tape are die-cut.
Compared with the prior art, the invention has the following advantages:
(1) After the array condition is changed, the side bearing the tensile force of the waste discharge roller is converted into the length side of the die-cut piece product, so that the phenomenon of stress concentration is greatly relieved, and the phenomenon of glue pulling damage is avoided;
(2) The prior art is used for discharging waste all the time, the defect of waste discharge always occurs, the solution is not thought of all the time, and the inventor solves the long-term problem which is solved but not solved in the field by carefully calculating and practicing and only changing the array mode of the die cutting pieces;
(3) The die-cutting piece prepared by the method changes the waste discharge difficulty, reduces the reject ratio from the prior art to a level close to 0% from more than 20%, and has breakthrough progress.
Drawings
FIG. 1 is a top view of a die cut piece to be made in accordance with the present invention;
FIG. 2 is a schematic view of a prior art die cutter blade pattern;
FIG. 3 is a schematic diagram of a die cutter blade pattern in an embodiment;
FIG. 4 is a structural analysis of a die cut piece to be prepared in accordance with the present invention;
FIG. 5 is a diagram of a manufacturing process of the present invention;
FIG. 6 is a die-cut hierarchical view of the present invention;
the reference numerals in the figures indicate: a protective film 1, a handle film 2, a double faced adhesive tape 3, a bottom film 4, a die-cut piece product 5, a short side 51, a long side 52 and a concave shape 53.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
Examples
A method for preparing a die-cut piece for reducing glue pulling damage, as shown in fig. 5, comprising the following steps:
(1) Bonding of the material belts: sequentially attaching a handle film 2, a double-sided tape 3 and a bottom film 4 to the protective film 1 to form a material belt;
(2) Punching the material belt: feeding the material belt into a die cutting machine for die cutting, wherein the die cutting layer sequentially comprises a protective film 1, a handle film 2 and a double faced adhesive tape 3 from bottom to top, as shown in fig. 6, to form a die cutting piece semi-finished product; the die cutting machine is provided with a blade for punching and cutting the material belt, and the pattern enclosed by the blade is consistent with the pattern of the die-cutting piece product 5. Among the blades, the line where the blade capable of die-cutting to form the short side 51 and the long side 52 is located is parallel to the advancing direction of the web. The array situation is shown in fig. 3. I.e. the width direction of the die cut piece product 5 is parallel to the direction of web travel. In this way, the short side 51 and the long side 52 are transferred to the direction parallel to the material belt, and the side bearing the tensile force of the waste discharge roller is converted into the side without the short side 51 or the long side 52, namely the long side of the die-cutting piece product 5, while the side passes through the concave shape 53 during waste discharge, the width d of the concave shape 53 is only 10-15% of the length L of the die-cutting piece product 5, which means that the pressure intensity is not increased greatly, and the phenomenon of glue pulling damage is avoided.
(3) Waste discharge process: and discharging the waste of the die-cut semi-finished product of the die-cut piece after the die cutting is finished to form a die-cut piece product 5, as shown in figures 1 and 4. The waste material comprises the whole protective film 1, the handle film 2 and the frame waste material after the double faced adhesive tape 3 are die-cut. The die-cut piece product 5 includes only the handle film 2, the double-sided tape 3, and the base film 4 after being die-cut in the longitudinal direction. The die-cut piece product 5 is provided with a short side 51 and a long side 52, a concave shape 53 is formed between the short side 51 and the long side 52, and the width d of the concave shape 53 is 10-15% of the length L of the die-cut piece product 5. Length l of long side 52 2 Length l of short side 51 1 3-5 times of (3). Length l of long side 52 2 40-60% of the width D of the die cut piece product 5.
The die cut piece product 5 prepared by the method has the reject ratio of nearly 0%.
Comparative example
Unlike the embodiment, the line where the blades capable of die cutting to form the short side 51 and the long side 52 in step (2) are located is perpendicular to the advancing direction of the web, as shown in fig. 2. Because the lengths of the long side 52 and the short side 51 are much shorter than the whole width D of the die-cut piece, and because the pulling force of tearing waste materials by the waste discharging roller is certain when waste is discharged, the pressure intensity of the waste materials is distributed in the direction of the long side 52 and the short side 51, the lengths of the long side 52 and the short side 51 are shorter than the whole width D of the die-cut piece, especially the short side 51, the pressure intensity is very large because the lengths are very short, the double faced adhesive tape 3 at the die-cut position can generate a back adhesion phenomenon, and the part at the short side 51 can be directly and wholly broken due to the very large pressure intensity, so that the product is bad
The die cut piece product 5 produced by the above method often has a reject ratio exceeding 20%.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The die-cutting piece preparation method for reducing the damage of the pulling glue is characterized by comprising the following steps of:
(1) Bonding of the material belts: sequentially attaching a handle film (2), a double-sided tape (3) and a bottom film (4) to the protective film (1) to form a material belt;
(2) Punching the material belt: feeding the material belt into a die cutting machine for die cutting to form a die-cut piece semi-finished product;
(3) Waste discharge process: discharging waste materials from the die-cut semi-finished products of the die-cut pieces after the die cutting is completed to form die-cut piece products (5); one side of the die-cutting piece product (5) is provided with a short side (51) and a long side (52), and a concave shape (53) is formed between the short side (51) and the long side (52).
2. A method of manufacturing a die cut article with reduced glue breakage as claimed in claim 1, wherein the width d of the concave shape (53) is 10-15% of the length L of the die cut article product (5).
3. A method of manufacturing a die cut article with reduced die-pull breakage as claimed in claim 2, wherein the opening direction of the concave shape (53) is perpendicular to the advancing direction of the web.
4. A method of manufacturing a die cut article with reduced glue breakage as defined in claim 2, wherein the length l of the long side (52) is 2 Length l of short side (51) 1 3-5 times of (3).
5. A method of manufacturing a die cut article with reduced glue breakage as defined in claim 4, wherein said long side (52) has a length l 2 Length l of short side (51) 1 4 times of (2).
6. A method of manufacturing a die cut article with reduced glue breakage as defined in claim 2, wherein the length l of the long side (52) is 2 40-60% of the width D of the die-cut piece product (5).
7. A method of manufacturing a die cut article with reduced glue breakage as defined in claim 6, wherein said long side (52) has a length l 2 50% of the width D of the die-cut piece product (5).
8. The method for manufacturing die-cut pieces with reduced pulling-out breakage according to claim 1, wherein the die-cutting machine is provided with a blade for punching and cutting a material belt, and the pattern enclosed by the blade is consistent with the pattern of the die-cut piece product (5).
9. The method for preparing the die-cut piece for reducing the damage of the pulling adhesive according to claim 1, wherein the die-cut layers sequentially comprise a protective film (1), a handle film (2) and a double-sided adhesive tape (3) from bottom to top.
10. The method for manufacturing die-cut pieces for reducing the breakage of the drawn adhesive according to claim 1, wherein the waste material comprises the whole protective film (1) and the frame waste material after the handle film (2) and the double-sided adhesive tape (3) are die-cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010734144.5A CN113977700B (en) | 2020-07-27 | 2020-07-27 | Die-cutting piece preparation method capable of reducing glue pulling damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010734144.5A CN113977700B (en) | 2020-07-27 | 2020-07-27 | Die-cutting piece preparation method capable of reducing glue pulling damage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113977700A CN113977700A (en) | 2022-01-28 |
| CN113977700B true CN113977700B (en) | 2023-05-30 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110202643A (en) * | 2019-06-11 | 2019-09-06 | 苏州金禾新材料股份有限公司 | Cutting die and die cutting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003276098A (en) * | 2002-03-26 | 2003-09-30 | Toyo Seikan Kaisha Ltd | Method and device for producing packing bag |
| JP2010284864A (en) * | 2009-06-11 | 2010-12-24 | Nippon Die Steel Kk | Groove member for forming ruled line |
| CN106426395B (en) * | 2016-11-25 | 2018-07-31 | 深圳市通泰盈电子科技有限公司 | A kind of production technology of foam cutting part |
| CN206883790U (en) * | 2017-03-25 | 2018-01-16 | 深圳市锦城胶粘制品有限公司 | A kind of FPC double faced adhesive tapes die cutting plate |
| JP2018167351A (en) * | 2017-03-29 | 2018-11-01 | 株式会社安永 | Mold |
| CN209364810U (en) * | 2018-12-27 | 2019-09-10 | 昊佰电子科技（上海）有限公司 | It is a kind of for double-sided adhesive without knife stamp cutting apparatus |
| CN111376342A (en) * | 2018-12-27 | 2020-07-07 | 昊佰电子科技（上海）有限公司 | A cutting device for miniaturized cotton product of bubble |
| CN110238906B (en) * | 2019-06-06 | 2021-10-19 | 郑州领胜科技有限公司 | Flat plate cutter-dismantling die-cutting process |
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Address after: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Patentee after: Shanghai Haobai Zhizao Precision Electronics Co.,Ltd. Address before: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Patentee before: HOPINES ELECTRONIC TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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