CN112621888A - Processing method of double faced adhesive tape with shape like Chinese character hui - Google Patents
Processing method of double faced adhesive tape with shape like Chinese character hui Download PDFInfo
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- CN112621888A CN112621888A CN201910905118.1A CN201910905118A CN112621888A CN 112621888 A CN112621888 A CN 112621888A CN 201910905118 A CN201910905118 A CN 201910905118A CN 112621888 A CN112621888 A CN 112621888A
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- adhesive tape
- double
- sided adhesive
- protective film
- inner frame
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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
Abstract
The invention relates to a processing method of a double faced adhesive tape with a shape like Chinese character hui, which comprises the following steps: adhering a protective film on the first release film, punching an inner frame on the protective film at one time, and tearing off the protective film waste outside the inner frame to obtain a protective film supporting layer; sequentially attaching double-sided adhesive and release paper to the protective film supporting layer; punching an inner frame on the release paper and the protective film supporting layer on the double-sided adhesive tape for the second time, and removing the waste material of the release paper in the inner frame area; discharging the waste material of the double-sided adhesive tape and the protective film supporting layer by sticking the double-sided adhesive tape in the inner frame area by the plastic film to obtain an intermediate product; and punching an outer frame on the intermediate product, and removing all waste materials of the product appearance to obtain the double faced adhesive tape product shaped like a Chinese character 'hui'. Compared with the prior art, the invention only adds one auxiliary material and one process, completely avoids the defects of residual glue, poor glue silk and the like of the finished product, and has the advantages of simple process, high finished product yield and the like.
Description
Technical Field
The invention relates to the technical field of die cutting, in particular to a processing method of a double-sided adhesive tape in a shape like Chinese character hui.
Background
The mainstream processing scheme of the double-sided adhesive tape for the shape of the Chinese character 'hui' of the half section of the inner frame in the industry at present is as follows: laminating the one side of double faced adhesive tape on first from the type membrane, the one side laminating is on from type paper, then "mouth" double faced adhesive tape is half disconnected in die-cut from type paper, then gets rid of inside casing double faced adhesive tape waste material, tears to laminate from type paper another second from die-cut outer "mouth" shape of type membrane again to the shaping goes out "back" style of calligraphy product. The step of removing the inner frame double-faced adhesive tape waste is difficult, and the specific process comprises the steps of tearing off release paper waste on an inner frame area by using a box sealing adhesive tape, and then sticking a PET (polyethylene terephthalate) original film to tear off the double-faced adhesive tape waste in the inner frame. After the release paper waste of the inner frame is torn off, the peripheral double-sided adhesive tape of the outer frame needs to be protected from being torn off, so that the height drop can be caused by the support of the peripheral release paper at the position, which is closer to the edge, of the inner frame when the PET original film is pasted, the double-sided adhesive tape at the position, which is farther from the edge, can not be contacted with the PET original film, and the PET original film can not discharge the double-sided adhesive tape waste in the inner frame well; and meanwhile, the double-faced adhesive tape in the inner frame is completely contacted with the first release film, the waste material is difficult to discharge due to overlarge viscosity when the double-faced adhesive tape is pulled out of the surface of the first release film, and the defects of residual adhesive tape, adhesive threads and the like in the peripheral area can be caused by the fact that the waste material is pulled off completely by the binding force between the central area in the inner frame and the PET original film when the waste material is discharged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a processing method of a double-sided adhesive tape with a shape like Chinese character hui.
The purpose of the invention can be realized by the following technical scheme:
a processing method of a double faced adhesive tape with a shape like Chinese character hui comprises the following steps:
(a) adhering a protective film on the first release film, punching an inner frame on the protective film at one time, and tearing off the protective film waste outside the inner frame to obtain a protective film supporting layer; sequentially attaching double-sided adhesive and release paper to the protective film supporting layer;
(b) punching an inner frame on the release paper and the protective film supporting layer on the double-sided adhesive tape for the second time, and removing the waste material of the release paper in the inner frame area;
(c) discharging the waste material of the double-sided adhesive tape and the protective film supporting layer by sticking the double-sided adhesive tape in the inner frame area by the plastic film to obtain an intermediate product;
(d) and punching an outer frame on the intermediate product, and removing all waste materials of the product appearance to obtain the double faced adhesive tape product shaped like a Chinese character 'hui'.
When the double-sided adhesive tape is punched, the protective film layer is arranged at the inner frame position of the double-sided adhesive tape, namely the double-sided adhesive tape at the inner frame position is lifted, the protective film supports the lower part of the double-sided adhesive tape in the inner frame area, after secondary punching and removal of release paper waste materials in the inner frame, no height difference can be generated between the double-sided adhesive tape waste materials in the inner frame and release paper which is not taken out from the periphery, and at the moment, when the double-sided adhesive tape inner frame waste materials are discharged through the plastic film, the plastic film can be in complete contact with the waste double-sided adhesive tape, so that waste discharge of the double-sided adhesive tape inner frame waste materials in the step (.
Wherein, the viscidity of protection film is less than the viscidity of double faced adhesive tape, when carrying out double faced adhesive tape inside casing waste material row waste, because inside the inside casing with first from being equipped with the protection rete between the type membrane, so when the row waste, the waste material in the inside casing is easy and first from the type membrane separation, very light when arranging waste, can avoid falling peripheral region cull, glue silk harmfully.
The protective film in the step (a) is a PE protective film.
The plastic film in the step (b) is a PET original film.
The thickness of the protective film is not less than that of the release paper.
The method for removing the release paper waste in the inner frame area in the step (b) is to separate the release paper waste adhered to the inner frame area by the adhesive tape from the double-sided adhesive tape.
And (d) specifically, removing the release paper on the intermediate product, attaching a second release film to the double-sided adhesive, and punching an outer frame on the second release film, the double-sided adhesive and the first release film to obtain the double-sided adhesive product shaped like a Chinese character 'hui'.
The size of the outer frame of the double faced adhesive tape product is larger than that of the inner frame.
Compared with the prior art, the invention has the following advantages:
(1) PE protective film auxiliary materials are added between the first release film and the double-faced adhesive tape inner frame waste materials, so that the double-faced adhesive tape waste materials are not in direct contact with the first release film, the double-faced adhesive tape waste materials are easier to discharge through a PET original film, the waste discharge reliability is improved, residual adhesive tapes or poor adhesive tapes are avoided from appearing on the periphery of the inner frame area, and the processing quality of the double-faced adhesive tape product shaped like a Chinese character 'hui' is improved;
(2) the PE protective film also plays a role in supporting the waste double-sided adhesive tape in the inner frame area, and is beneficial to improving the contact area between the PET original film and the waste double-sided adhesive tape, so that the waste discharge reliability is improved, and the waste discharge failure is avoided;
(3) compared with the prior art, the process only adds one auxiliary material and one punching process step, has simple process and easy realization, greatly improves the yield of finished products and has greater economic benefit.
Drawings
FIG. 1 is a schematic view of a one-shot die cutting method of the present invention;
FIG. 2 is a schematic view of a secondary die cutting method of the present invention;
FIG. 3 is a schematic diagram showing the positions of the double-sided adhesive tape waste and the PET raw film in the process of removing the inner frame double-sided adhesive tape waste in the comparative example;
in the figure, 1 is the first release film, 2 is the PE protection film, 3 is the double faced adhesive tape, 4 is the die cutting direction, 5 is the die cutting knife line position, 6 is the protection film supporting layer, 7 is the release paper, 8 is the PET original film, and 9 is the double faced adhesive tape waste material.
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 utility model provides a processing method of type double faced adhesive tape returns, wherein the type double faced adhesive tape products that return include upper and lower two-layer from type membrane and middle double faced adhesive tape, and the frame of type double faced adhesive tape products that return is greater than the size of inside casing, specifically includes following steps:
(a) attaching a PE protective film 2 to a first release film 1, punching an inner frame of the PE protective film 2 at a punching line position 5 along a punching direction 4 in the figure 1, and tearing off waste materials of the PE protective film 2 outside the inner frame to obtain a protective film supporting layer 6, wherein the shape of the protective film supporting layer 6 is the same as the size of the inner frame of a final product; sequentially attaching a double-sided adhesive tape 3 and release paper on the protective film supporting layer 6; the thickness of the PE protective film 2 is approximately the same as that of the release paper, and the viscosity of the PE protective film 2 is smaller than that of the double-sided adhesive tape 3;
(b) as shown in fig. 2, an inner frame is punched out at the position of the protective film supporting layer 6 on the release paper and the double-sided adhesive tape 3 for the second time, and the release paper waste in the area where the adhesive tape is adhered to the inner frame is separated from the double-sided adhesive tape 3, so that the release paper waste in the area of the inner frame is removed;
(c) discharging the waste material of the double faced adhesive tape 3 and the protective film supporting layer 6 through the double faced adhesive tape 3 in the PET original film sticking inner frame area to obtain an intermediate product;
(d) and removing the release paper on the intermediate product, attaching a second release film to the double-sided adhesive tape 3, and punching an outer frame on the second release film, the double-sided adhesive tape 3 and the first release film 1 to obtain the double-sided adhesive tape product shaped like a Chinese character 'hui'.
This embodiment is when die-cut double faced adhesive tape, present double faced adhesive tape's inside casing position has set up protection film supporting layer 6, be equivalent to the double faced adhesive tape bed hedgehopping with inside casing position, there is protection film supporting layer 6 to support double faced adhesive tape below in the inside casing region, the secondary is die-cut and with the inside casing in detach the back from the type paper waste material, the difference in height can not appear between the type paper that double faced adhesive tape waste material and periphery do not take out in the inside casing, when discharging double faced adhesive tape inside casing waste material through plastic film this moment, plastic film can realize the complete contact with the waste material double faced adhesive tape, be favorable to the wasting discharge of double faced adhesive tape inside casing waste material in step 3. Wherein, the viscidity of protection film is less than the viscidity of double faced adhesive tape, when carrying out double faced adhesive tape inside casing waste material waste discharge, because inside the inside casing with first from being equipped with the protection rete between the type membrane, so when the waste discharge, the waste material in the inside casing separates from the type membrane with first easily, very light when the waste discharge, can avoid falling peripheral region cull, glue silk harmfully. The process method adds one auxiliary material and one process, but completely avoids the defective glue and the defective glue silk of the finished product and improves the yield of the finished product.
Comparative example
The existing processing method of the double-sided adhesive tape with the shape of Chinese character hui comprises the specific process steps of attaching one side of the double-sided adhesive tape to a first release film and attaching the other side of the double-sided adhesive tape to release paper, then half cutting the double-sided adhesive tape at an inner die-cut opening of the release paper, removing waste materials of the double-sided adhesive tape with an inner frame, tearing the release paper, attaching another second release film to the release paper, and die-cutting the outer die-cut opening, so that a product with the shape of Chinese character hui is formed.
The step of removing the inner frame double-faced adhesive tape waste is difficult, and the specific process comprises the steps of tearing off release paper waste on an inner frame area by using a box sealing adhesive tape, and then sticking a PET (polyethylene terephthalate) original film to tear off the double-faced adhesive tape waste in the inner frame. As shown in fig. 3, after the release paper waste of the inner frame is torn off, the release paper on the periphery of the inner frame needs to protect the peripheral double-sided adhesive tape from being torn off, i.e. a structure of a first release film, double-sided adhesive tape and release paper is formed, wherein the double-sided adhesive tape waste 9 in the inner frame area on the double-sided adhesive tape needs to be removed, a cavity is formed right above the double-sided adhesive tape waste 9 on the layer where the release paper 7 is located, when the PET original film is used for sticking and removing the double-sided adhesive tape waste 9, due to the existence of the cavity, the closer to the edge position in the inner frame when the PET original film 8 is stuck is caused by a height drop due to the support of the peripheral release paper, the double-sided adhesive tape waste 9 is more unable to contact with the PET original film 8, so that the PET original film cannot discharge the double-sided; and meanwhile, the double-faced adhesive tape in the inner frame is completely contacted with the first release film, the waste material is difficult to discharge due to overlarge viscosity when the double-faced adhesive tape is pulled out of the surface of the first release film, and the defects of residual adhesive tape, adhesive threads and the like in the peripheral area can be caused by the fact that the waste material is pulled off completely by the binding force between the central area in the inner frame and the PET original film when the waste material is discharged.
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 (8)
1. A processing method of a double faced adhesive tape with a shape like Chinese character hui is characterized by comprising the following steps:
(a) the protective film is attached to the first release film (1), an inner frame is punched out of the protective film at one time, and the protective film waste material outside the inner frame is torn off to obtain a protective film supporting layer (6); sequentially attaching a double-sided adhesive tape (3) and release paper to the protective film supporting layer (6);
(b) punching an inner frame at the position of the protective film supporting layer (6) on the release paper and the double-sided adhesive tape (3) for the second time, and removing the waste material of the release paper in the area of the inner frame;
(c) discharging the waste material of the double-sided adhesive tape (3) and the protective film supporting layer (6) through the double-sided adhesive tape (3) in the plastic film sticking inner frame area to obtain an intermediate product;
(d) and punching an outer frame on the intermediate product, and removing all waste materials of the product appearance to obtain a double-sided adhesive tape (3) product in a shape like a Chinese character 'hui'.
2. The processing method of double-sided adhesive tape in shape like Chinese character 'hui' according to claim 1, wherein the adhesiveness of the protective film is smaller than that of the double-sided adhesive tape (3).
3. The method for processing double sided adhesive tape, according to claim 2, wherein the protective film in step (a) is a PE protective film (2).
4. The processing method of double sided adhesive tape with a shape like Chinese character 'hui' in claim 1, wherein the plastic film in the step (b) is a PET original film.
5. The processing method of double sided adhesive tape with a shape like Chinese character 'hui' according to claim 1, wherein the thickness of the protective film is not less than that of the release paper.
6. The processing method of double sided adhesive tape in shape like Chinese character 'hui' according to claim 1, wherein the removing of the waste release paper in the inner frame area in step (b) is performed by separating the waste release paper adhered to the inner frame area by the adhesive tape from the double sided adhesive tape (3).
7. The processing method of the double sided adhesive tape with the shape like the Chinese character 'hui' according to claim 1, wherein the step (d) is specifically to remove the release paper on the intermediate product, attach a second release film to the double sided adhesive tape (3), and punch out an outer frame on the second release film, the double sided adhesive tape (3) and the first release film (1) to obtain the double sided adhesive tape with the shape like the Chinese character 'hui'.
8. The processing method of the double faced adhesive tape with the shape like the Chinese character hui according to claim 1, wherein the outer frame of the double faced adhesive tape product is larger than the inner frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910905118.1A CN112621888A (en) | 2019-09-24 | 2019-09-24 | Processing method of double faced adhesive tape with shape like Chinese character hui |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910905118.1A CN112621888A (en) | 2019-09-24 | 2019-09-24 | Processing method of double faced adhesive tape with shape like Chinese character hui |
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| Publication Number | Publication Date |
|---|---|
| CN112621888A true CN112621888A (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910905118.1A Pending CN112621888A (en) | 2019-09-24 | 2019-09-24 | Processing method of double faced adhesive tape with shape like Chinese character hui |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619135A (en) * | 2021-08-10 | 2021-11-09 | 苏州安洁科技股份有限公司 | Small-hole semi-cutting waste discharge process |
| CN114131695A (en) * | 2021-11-25 | 2022-03-04 | 广州市安旭特电子有限公司 | Adhesive product and preparation method thereof |
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| CN1526000A (en) * | 2001-02-02 | 2004-09-01 | 3M | Adhesive article and method of preparing |
| CN101187748A (en) * | 2007-11-01 | 2008-05-28 | 东莞市茶山三贤电子有限公司 | Shading glue film production method |
| CN104710945A (en) * | 2013-12-17 | 2015-06-17 | 比亚迪股份有限公司 | Foam component and processing method thereof |
| CN106541449A (en) * | 2015-09-22 | 2017-03-29 | 上海景奕电子科技有限公司 | A kind of cross cutting waste discharge apparatus with inside casing cutting part and cross cutting waste discharge method |
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2019
- 2019-09-24 CN CN201910905118.1A patent/CN112621888A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526000A (en) * | 2001-02-02 | 2004-09-01 | 3M | Adhesive article and method of preparing |
| CN101187748A (en) * | 2007-11-01 | 2008-05-28 | 东莞市茶山三贤电子有限公司 | Shading glue film production method |
| CN104710945A (en) * | 2013-12-17 | 2015-06-17 | 比亚迪股份有限公司 | Foam component and processing method thereof |
| CN106541449A (en) * | 2015-09-22 | 2017-03-29 | 上海景奕电子科技有限公司 | A kind of cross cutting waste discharge apparatus with inside casing cutting part and cross cutting waste discharge method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619135A (en) * | 2021-08-10 | 2021-11-09 | 苏州安洁科技股份有限公司 | Small-hole semi-cutting waste discharge process |
| CN114131695A (en) * | 2021-11-25 | 2022-03-04 | 广州市安旭特电子有限公司 | Adhesive product and preparation method thereof |
| CN114131695B (en) * | 2021-11-25 | 2024-01-09 | 广州市安旭特电子有限公司 | Adhesive product and preparation method thereof |
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Application publication date: 20210409 |