CN114449768A - Method for attaching multiple pieces of back adhesive of FPC (Flexible printed Circuit) - Google Patents
Method for attaching multiple pieces of back adhesive of FPC (Flexible printed Circuit) Download PDFInfo
- Publication number
- CN114449768A CN114449768A CN202210123455.7A CN202210123455A CN114449768A CN 114449768 A CN114449768 A CN 114449768A CN 202210123455 A CN202210123455 A CN 202210123455A CN 114449768 A CN114449768 A CN 114449768A
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- Prior art keywords
- adhesive
- micro
- fpc
- gum
- attaching
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000853 adhesive Substances 0.000 title claims description 81
- 230000001070 adhesive effect Effects 0.000 title claims description 81
- 239000002313 adhesive film Substances 0.000 claims abstract description 67
- 238000010030 laminating Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000003475 lamination Methods 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0097—Processing two or more printed circuits simultaneously, e.g. made from a common substrate, or temporarily stacked circuit boards
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a method for laminating multiple pieces of gum of an FPC (flexible printed circuit), wherein the gum position is designed on a provided FPC product, one surface of the gum is arranged on a micro-adhesive film, the other surface of the gum is arranged on a first release film to form a coil stock, the coil stock is placed on an automatic laminating machine, the micro-adhesive film and the gum are laminated on the FPC product by the automatic laminating machine, the micro-adhesive film is torn off after lamination, the gum is laminated on the FPC product, and therefore the FPC product is laminated with the multiple pieces of gum at one time. The invention relates to a method for attaching multiple pieces of gum of an FPC (flexible printed circuit), which can realize automatic attachment aiming at the gum with the size less than 2mm x 2mm and solve the problem that automatic attachment equipment cannot automatically attach due to the size limitation of a suction nozzle; the multiple pieces of gum are attached at one time, so that the attaching efficiency is improved, and more than 4000 pieces of gum are attached per hour; the laminating precision reaches +/-0.1mm, and the problem that the precision of the existing manual laminating mode is insufficient is solved.
Description
Technical Field
The invention relates to the technical field of flexible circuit board manufacturing, in particular to a method for attaching multiple pieces of Flexible Printed Circuit (FPC) back adhesive.
Background
The existing FPC product needs to be glued in an arrangement type small area range on the whole surface, 4 pieces of gum need to be glued to each FPC, and 10 FPC products are made of one material. The FPC product gum attaching method in the prior art and the problems exist are as follows:
(1) as shown in figure 1, an operator clamps the gum by a single clamp and positions and fits the gum by the outer shape. The bonding method has low efficiency, wherein 600 pieces of gum are bonded in one hour, and 4 pieces of gum are bonded in each FPC product, so that 150 pieces of FPC products are estimated to finish gum bonding in one hour; the attaching method has poor attaching precision, and the attaching deviation tolerance is +/-0.3 mm;
(2) as shown in FIG. 2, the multiple pieces of gum are supported by the micro-adhesive film, and the whole set of positioning holes is positioned and attached. The bonding method has low efficiency, and 600 pieces and 900 pieces of FPC products are bonded every hour; the attaching method has poor attaching precision, positioning by sleeving positioning holes, and attaching deviation tolerance +/-0.15-0.20 mm;
(3) the automatic gluing equipment can only glue the back glue with the size of more than 2mm by 2 mm.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a method for attaching multiple pieces of Flexible Printed Circuit (FPC) gum, which solves the problems of low attaching efficiency, poor attaching precision and incapability of automatically attaching due to the size limitation of a suction nozzle of automatic attaching equipment.
The invention discloses a method for attaching a plurality of pieces of Flexible Printed Circuit (FPC) gum, which comprises the following steps of:
providing an FPC product, and designing a gum position according to the FPC product;
providing a back adhesive, wherein one side of the back adhesive is arranged on the micro-adhesive film according to the position combination of the back adhesive;
the plurality of back adhesives are arranged on the micro-adhesive films, and the micro-adhesive films are arranged on the first release film through the other surfaces of the back adhesives to form a coil material;
placing the coil stock on an automatic laminating machine, and laminating the micro-adhesive film and the back adhesive on the FPC product by the automatic laminating machine;
and pressing the micro-adhesive film and the FPC product, tearing off the micro-adhesive film, and attaching the back adhesive to the FPC product, thereby attaching a plurality of pieces of back adhesive to the FPC product.
Further, according to the method for attaching the multiple pieces of the flexible printed circuit board (FPC), the step of providing the back adhesive is that the back adhesive is combined and arranged on the micro-adhesive film according to the position of the back adhesive, and the size of the back adhesive is smaller than 2mm x 2 mm.
Further, according to the method for attaching the multiple pieces of the flexible printed circuit board (FPC), the step of providing the back adhesive is that the back adhesive is combined and arranged on the micro-adhesive film according to the position of the back adhesive, and a second release film is arranged between the back adhesive and the micro-adhesive film.
Further, in the method for attaching the plurality of pieces of Flexible Printed Circuit (FPC), in the step of arranging the plurality of pieces of gum on the micro-adhesive films, and arranging the plurality of micro-adhesive films on the first release film through the other surfaces of the gum to form the roll material, the centers of the plurality of micro-adhesive films are arranged on the same horizontal line in parallel along the first direction, so that the roll material is formed.
Further, in the method for attaching the plurality of pieces of the back adhesive to the FPC, the coil stock is placed on an automatic attaching machine, the automatic attaching machine attaches the micro-adhesive film and the back adhesive to the FPC product, and an absorption part and a CCD are arranged in the automatic attaching machine.
Further, the method for attaching the multiple pieces of gum to the FPC comprises the steps of placing the coil stock on an automatic attaching machine, attaching the micro-adhesive film and the gum to the FPC product by the automatic attaching machine, peeling the micro-adhesive film off the first release film by the automatic attaching machine, absorbing the micro-adhesive film by the absorbing part, and attaching the micro-adhesive film and the gum to the FPC product by the absorbing part according to the CCD positioning.
Further, according to the method for attaching the multiple pieces of the back adhesive to the FPC, the coil materials are placed on an automatic attaching machine, the automatic attaching machine attaches the micro-adhesive film and the back adhesive to the FPC product, and the attaching speed of the back adhesive exceeds 4000 pcs/min.
Further, the method for attaching the multiple pieces of gum to the FPC comprises the step of pressing the micro-adhesive film and the FPC product, tearing off the micro-adhesive film, and attaching the gum to the FPC product, so that after the FPC product is attached with the multiple pieces of gum, detection of the gum attachment of the FPC product is further included.
The invention has the following beneficial effects:
1. in the method for laminating the multiple pieces of gum of the FPC, the gum with the size smaller than 2mm x 2mm can be automatically laminated, so that the problem that automatic laminating equipment cannot automatically laminate due to the size limitation of a suction nozzle is solved;
2. in the method for laminating the plurality of pieces of the back adhesive of the FPC, the plurality of pieces of the back adhesive are laminated at one time, so that the laminating efficiency is improved, and more than 4000 pieces of the back adhesive are laminated per hour;
3. in the method for attaching the multiple pieces of back adhesive of the FPC, the attaching precision reaches +/-0.1mm, and the problem of insufficient precision of the existing manual attaching mode is solved.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a first attaching method in the background art of the present invention;
FIG. 2 is a schematic view of a second bonding method in the background art of the present invention;
FIG. 3 is a schematic illustration of the application of a micro-adhesive film and a backing adhesive in an embodiment of the invention;
FIG. 4 is a schematic diagram of the structure of a coil in an embodiment of the present invention;
FIG. 5 is a schematic view of the attachment of the micro-adhesive film, the back adhesive and the FPC product according to the embodiment of the present disclosure;
FIG. 6 is a schematic diagram illustrating the attachment of a back adhesive to an FPC product according to an embodiment of the present disclosure.
Reference numerals of the above figures: 1-gum application; 2-a second release film; 3-micro mucosa; 4-a first release film; 5-FPC product.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The following description will be made with reference to fig. 1 to 6 and the embodiments.
The invention discloses a method for attaching a plurality of pieces of Flexible Printed Circuit (FPC) gum, which comprises the following steps of: .
Providing an FPC product 5, and designing a gum position according to the FPC product 5;
firstly, providing a back adhesive 1, wherein one surface of the back adhesive 1 is arranged on a micro-adhesive film 3 according to the position combination of the back adhesive;
secondly, a plurality of back glues are arranged on the micro-adhesive films 3, and the micro-adhesive films 3 are arranged on a first release film 4 through the other surfaces of the back glues 1 to form a coil material;
then, placing the coil stock on an automatic laminating machine, and laminating the micro-adhesive film 3 and the back adhesive 1 on the FPC product 5 by the automatic laminating machine;
and finally, pressing the micro-adhesive film 3 and the FPC product 5, tearing off the micro-adhesive film 3, and attaching the back adhesive 1 to the FPC product 5, so that the FPC product 5 is attached to a plurality of pieces of back adhesive.
According to the method, aiming at the attachment of the back adhesive with the size of less than 2mm x 2mm, firstly, designing a back adhesive position on a provided FPC product 5, arranging one surface of the back adhesive 1 on the micro-adhesive film 3, arranging the other surface of the back adhesive 1 on the first release film 4 to form a coil stock, placing the coil stock on an automatic laminating machine, laminating the micro-adhesive film 3 and the back adhesive 1 on the FPC product 5 by the automatic laminating machine, tearing off the micro-adhesive film 3 after lamination, and laminating the back adhesive 1 on the FPC product 5, so that the FPC product is attached with a plurality of pieces of back adhesives 1 at one time; in the method for laminating the multiple pieces of gum of the FPC, the gum with the size smaller than 2mm x 2mm can be automatically laminated, so that the problem that automatic laminating equipment cannot automatically laminate due to the size limitation of a suction nozzle is solved; the multiple pieces of gum are attached at one time, so that the attaching efficiency is improved, and more than 4000 pieces of gum are attached per hour; the laminating precision reaches +/-0.1mm, and the problem that the precision of the existing manual laminating mode is insufficient is solved.
Specifically, as shown in fig. 3, in the present embodiment, the step "providing a back adhesive, the back adhesive being disposed on the micro-adhesive film according to the back adhesive position combination" includes less than 2mm by 2 mm. The problem that automatic laminating equipment can not laminate automatically because of the restriction of suction nozzle size is solved.
Specifically, in this embodiment, the step "providing a back adhesive, the back adhesive is disposed on the micro-adhesive film according to the back adhesive position combination", and a second release film is disposed between the back adhesive and the micro-adhesive film.
Specifically, as shown in fig. 4, in the step "a plurality of the back adhesives are disposed on the micro-adhesive films, and a plurality of the micro-adhesive films are disposed on the first release film through the other surfaces of the back adhesives to form a roll material", the centers of the plurality of the micro-adhesive films are disposed in parallel along a first direction on the same horizontal line, thereby forming a roll material. The laminating multi-disc gum of once only laminating promotes laminating efficiency.
Specifically, in this embodiment, the step "place the coil stock on an automatic laminating machine, the automatic laminating machine laminates the micro-adhesive film and the back adhesive on the FPC product", and an absorption portion and a CCD are provided in the automatic laminating machine.
Specifically, in this embodiment, the step "place the coil stock on an automatic laminating machine, the automatic laminating machine laminates the micro-adhesive film and the back adhesive on the FPC product", the automatic laminating machine peels off the micro-adhesive film from the first release film, the suction portion sucks the micro-adhesive film, and the suction portion laminates the micro-adhesive film and the back adhesive on the FPC product according to the CCD positioning. The laminating precision is improved to +/-0.1mm, and the problem that the precision of the existing manual laminating mode is not enough is solved.
Specifically, in this embodiment, the step of "placing the roll material on an automatic laminating machine, the automatic laminating machine laminating the micro-adhesive film and the back adhesive on the FPC product", and a laminating speed of the back adhesive exceeds 4000 pcs/min. The laminating efficiency is improved, and more than 4000 pieces of back glue are laminated per hour.
Specifically, in this embodiment, the step "pressing the micro adhesive film and the FPC product, tearing off the micro adhesive film, and attaching the back adhesive to the FPC product" further includes detecting the attachment of the back adhesive to the FPC product after the attachment of the plurality of pieces of back adhesive to the FPC product is achieved.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. A method for attaching multiple pieces of back adhesive of an FPC is characterized by comprising the following steps:
providing an FPC product, and designing a gum position according to the FPC product;
providing a back adhesive, wherein one side of the back adhesive is arranged on the micro-adhesive film according to the position combination of the back adhesive; wherein the size of the back adhesive comprises less than 2mm x 2mm, and a second release film is arranged between the back adhesive and the micro-adhesive film;
the plurality of back adhesives are arranged on the micro-adhesive films, and the micro-adhesive films are arranged on the first release film through the other surfaces of the back adhesives to form a coil material;
placing the coil stock on an automatic laminating machine, and laminating the micro-adhesive film and the back adhesive on the FPC product by the automatic laminating machine;
and pressing the micro-adhesive film and the FPC product, tearing off the micro-adhesive film and the second release film, and attaching the back adhesive to the FPC product, thereby attaching a plurality of pieces of back adhesive to the FPC product.
2. The FPC multi-piece adhesive attaching method of claim 3, wherein in the step "a plurality of the adhesives are disposed on the micro-adhesive films, and a plurality of the micro-adhesive films are disposed on the first release film through the other surfaces of the adhesives to form a roll", centers of the micro-adhesive films are on the same horizontal line and are arranged side by side in a first direction, so that a roll is formed.
3. The FPC multi-piece adhesive attaching method of claim 3, wherein the step of placing the roll on an automatic attaching machine, the automatic attaching machine attaching the micro-adhesive film and the adhesive on the FPC product, the automatic attaching machine having a suction part and a CCD therein.
4. The method according to claim 5, wherein the step of placing the roll material on an automatic bonding machine, the automatic bonding machine bonding the micro-adhesive film and the adhesive on the FPC product, the automatic bonding machine peeling the micro-adhesive film from the first release film, the suction portion sucking the micro-adhesive film, and the suction portion bonding the micro-adhesive film and the adhesive on the FPC product according to the CCD positioning.
5. The FPC multi-piece adhesive bonding method of claim 1, wherein the step of placing the roll on an automatic bonding machine, the automatic bonding machine bonding the micro-adhesive film and the adhesive on the FPC product, the adhesive bonding speed of the adhesive being more than 4000 pcs/min.
6. The method for attaching multiple pieces of Flexible Printed Circuit (FPC) gum according to claim 1, wherein the step of pressing the micro-adhesive film and the FPC product, tearing off the micro-adhesive film, and attaching the gum to the FPC product, so as to realize attachment of multiple pieces of gum to the FPC product, further comprises detection of attachment of the gum to the FPC product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210123455.7A CN114449768B (en) | 2022-02-10 | 2022-02-10 | Laminating method of FPC multi-piece back adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210123455.7A CN114449768B (en) | 2022-02-10 | 2022-02-10 | Laminating method of FPC multi-piece back adhesive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114449768A true CN114449768A (en) | 2022-05-06 |
| CN114449768B CN114449768B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210123455.7A Active CN114449768B (en) | 2022-02-10 | 2022-02-10 | Laminating method of FPC multi-piece back adhesive |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204466032U (en) * | 2015-02-09 | 2015-07-08 | 苏州福莱科斯电子科技有限公司 | A kind of operator guards for gum |
| CN105462513A (en) * | 2015-12-31 | 2016-04-06 | 东莞市誉铭新精密技术股份有限公司 | Glue application component for gluing screens and production process of glue application component |
| CN106590455A (en) * | 2015-10-15 | 2017-04-26 | 苏州倍瑞得电子科技有限公司 | Preparation technology of insulating Mylar |
| CN107325739A (en) * | 2017-08-14 | 2017-11-07 | 东莞市哲华电子有限公司 | A kind of preparation method of Mylar conductive tapes |
| CN111379773A (en) * | 2020-03-26 | 2020-07-07 | 苏州朗坤自动化设备股份有限公司 | Gum laminating device |
| CN211769332U (en) * | 2019-09-27 | 2020-10-27 | 苏州然祺电子科技有限公司 | Automatic rigging machine of gum |
| CN112895667A (en) * | 2021-01-19 | 2021-06-04 | 合肥美凯电子有限公司 | Double-sided back local adhesive punching process |
| CN215557832U (en) * | 2021-04-30 | 2022-01-18 | 江苏萍升源电子科技有限公司 | Automatic laminating machine is used in gum processing |
-
2022
- 2022-02-10 CN CN202210123455.7A patent/CN114449768B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204466032U (en) * | 2015-02-09 | 2015-07-08 | 苏州福莱科斯电子科技有限公司 | A kind of operator guards for gum |
| CN106590455A (en) * | 2015-10-15 | 2017-04-26 | 苏州倍瑞得电子科技有限公司 | Preparation technology of insulating Mylar |
| CN105462513A (en) * | 2015-12-31 | 2016-04-06 | 东莞市誉铭新精密技术股份有限公司 | Glue application component for gluing screens and production process of glue application component |
| CN107325739A (en) * | 2017-08-14 | 2017-11-07 | 东莞市哲华电子有限公司 | A kind of preparation method of Mylar conductive tapes |
| CN211769332U (en) * | 2019-09-27 | 2020-10-27 | 苏州然祺电子科技有限公司 | Automatic rigging machine of gum |
| CN111379773A (en) * | 2020-03-26 | 2020-07-07 | 苏州朗坤自动化设备股份有限公司 | Gum laminating device |
| CN112895667A (en) * | 2021-01-19 | 2021-06-04 | 合肥美凯电子有限公司 | Double-sided back local adhesive punching process |
| CN215557832U (en) * | 2021-04-30 | 2022-01-18 | 江苏萍升源电子科技有限公司 | Automatic laminating machine is used in gum processing |
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| Publication number | Publication date |
|---|---|
| CN114449768B (en) | 2024-05-28 |
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