CN108811329A - A kind of method that FPC and FPC double faced adhesive tapes are integrally cut - Google Patents
A kind of method that FPC and FPC double faced adhesive tapes are integrally cut Download PDFInfo
- Publication number
- CN108811329A CN108811329A CN201810488207.6A CN201810488207A CN108811329A CN 108811329 A CN108811329 A CN 108811329A CN 201810488207 A CN201810488207 A CN 201810488207A CN 108811329 A CN108811329 A CN 108811329A
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- fpc
- faced adhesive
- double faced
- adhesive tapes
- full page
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Classifications
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- 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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0052—Depaneling, i.e. dividing a panel into circuit boards; Working of the edges of circuit boards
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adhesive Tapes (AREA)
Abstract
The present invention provides a kind of methods that FPC and FPC double faced adhesive tapes are integrally cut, and include the following steps：S1, the release paper of side on FPC double faced adhesive tapes is changed to antistatic blue PET film using make-up machine, the FPC double faced adhesive tape one sides after replacement are release paper, and another side is antistatic blue PET film；S2, LED light is fixedly connected on the FPC of full page by the FPC of full page using SMT technologies；S3, after removing side on FPC double faced adhesive tapes where release paper, and the side is attached to the back side of the FPC of full page, FPC double faced adhesive tapes is made to be combined with the FPC of full page；S4, the product obtained in S3 is placed in the lower die station of outline die mold, cutting operation is carried out to the product obtained in S3 using the punching cutter of outline die mold, and then obtain multiple mutually independent FPCA.The present invention is connected between the FPC after cutting without tie point by the way that the FPC double faced adhesive tapes of the FPC of full page and full page to be first attached onto, and can effectively reduce the marginal laceration of FPCA, the problems such as there are burr, salient points.
Description
Technical field
The present invention relates to FPC to cut technical field more particularly to a kind of method that FPC and FPC double faced adhesive tapes are integrally cut.
Background technology
Flexible PCB abbreviation FPC needs, by surface mounting technology SMT, to attach FPC double faced adhesive tapes, warp from FPC to FPCA
Multiple mutually independent FPCA are formed after cutting.As depicted in figs. 1 and 2, there are two types of the processing methods of existing FPCA 1, first
Kind of mode is, the FPC 1 of full page is cut into multiple small FPC first with outline die mold, between two neighboring small FPC
It is connected by tie point 14, then carrying out SMT processes to each small FPC attaches LED light 11, one by one by FPC double faced adhesive tapes finally
It is corresponding to attach the back side of each small FPC, and then multiple FPCA 12 are formed, wherein LED light 11 and FPC double faced adhesive tapes distinguish position
In the both sides of FPC, multiple FPCA 12 are linked together by tie point 14 between each other at this time, adjacent by tearing when use
FPCA 12 between tie point 14 to remove individual FPCA 12, under this kind of mode, the single FPC double faced adhesive tapes that attach are to making
The operation skill set requirements of industry person are higher, therefore are susceptible to the offset of FPC double faced adhesive tapes, block the problems such as 11 light-emitting window of LED light, in turn
Lead to problems such as backlight finished product dark space, light beam occur bad, and entire FPC double faced adhesive tapes attach it is less efficient；The second way is,
Multiple mutually independent small FPC now are cut out using outline die mold to the FPC of full page, between two neighboring small FPC
It is connected by tie point 14, then carrying out SMT processes to each small FPC attaches LED light 11, will finally be done at another manufacturer
The FPC double faced adhesive tapes of good full page are attached to the FPC 1 of full page without the side of LED light 11, and then are formed and multiple be interconnected on one
The small FPCA 12 risen, it is independent to take out by tearing the tie point 14 between adjacent small FPCA 12 when use
Small FPCA 12, although the attaching efficiency of FPC double faced adhesive tapes improves under this kind of mode, due to 1 Hes of FPC in full page
It is respectively equipped with first positioning hole 13 and second location hole on FPC double faced adhesive tapes, needs manually to determine first when attaching FPC double faced adhesive tapes
Position hole 13 is corresponding with above and below second location hole to be aligned together, to the more demanding of aligning accuracy, simultaneously because full page
After cutting process, size can change FPC 1, and the amplitude of variation of every edition FPC is inconsistent, therefore can cause follow-up
When attaching the FPC double faced adhesive tapes of full page, the FPC 1 of FPC double faced adhesive tapes size and full page is inconsistent, and the part regions FPC possibly can not be by
FPC double faced adhesive tapes cover, and so as to cause FPC double faced adhesive tape deviations, lead to problems such as backlight finished product dark space, light beam occur bad；Finally
No matter in first way or the second way, when in use, the tie point 14 after tearing does not only result in the side of FPCA 12
There are burr or salient points for edge, and tie point 14 easily generates damage in tearing to FPCA 12, while also will produce break flour, powder
Bits may cause the taste such as backlight finished product foreign matter, white point bad, increase in meeting entry of backlight finished product during follow-up assembling
The fraction defective of backlight finished product.Therefore the method that cuts of existing FPC and FPC double faced adhesive tapes that there are FPC double faced adhesive tape attaching efficiencies is low,
Required precision is high, is susceptible to attaching displacement, while cutting that required precision is high, tie point easily causes backlight finished product not to FPC
The problems such as good.
Invention content
The present invention provides a kind of method that FPC and FPC double faced adhesive tapes are integrally cut, in this method FPC double faced adhesive tapes attach compared with
Simply, attaching precision requirement is relatively low, attaching efficiency is higher, and to the required precision point that FPC is cut, and connectionless point exists.
The technical solution adopted in the present invention is a kind of method that FPC and FPC double faced adhesive tapes are integrally cut, including following step
Suddenly：
S1, the release paper of the one side carried on FPC double faced adhesive tapes is changed to antistatic blue PET film using make-up machine, more
FPC double faced adhesive tape one sides after changing are release paper, and another side is antistatic blue PET film；
S2, LED light is fixedly connected on the FPC of full page by the FPC of full page using SMT technologies, where LED light light-emitting surface
Side be full page FPC front, the other side be full page FPC the back side；
S3, after removing side on FPC double faced adhesive tapes where release paper, and the side is attached to the back side of the FPC of full page, made
FPC double faced adhesive tapes are combined with the FPC of full page；
S4, the product obtained in S3 is placed in the lower die station of outline die mold, utilizes outline die mold
Punching cutter carries out cutting operation to the product obtained in S3, and then obtains multiple mutually independent FPCA, the punching cutter
Including multiple blades.
After the above technical solution is adopted, compared with the prior art, the present invention has the following advantages：
The FPC double faced adhesive tapes of the FPC of full page and full page are directly attached onto, since the FPC of full page is not cut,
Its size does not change, while first positioning hole being not present thereon, therefore attaching FPC double faced adhesive tapes are relatively simple, aligning accuracy
It is required that it is relatively low, it is connected for being not necessarily to tie point between the FPC after cutting, therefore can effectively reduce the marginal laceration of FPCA, deposit
Burr, the salient point the problems such as, while also reducing the fraction defective of backlight finished product.
As an improvement, trial cut step is arranged before the S4 steps, the trial cut step includes：The first step, externally
Shape die cutting die carries out positioning adjustment, and upper PET cushions are padded in lower die station；Second step carries out PET cushions using punching cutter
Trial cut, multiple blades form multiple cut marks on PET cushions；Third walk, check multiple cut marks on PET cushions depth whether
Unanimously, if unanimously, carrying out S4 steps, if inconsistent, the knife edge position of the blade corresponding to the cut mark of percentage regulation exception,
The knife edge position of all blades is set to be maintained on the same horizontal line, trial cut step is for testing each blade in die cutting die
Depth of cut it is whether consistent, avoid, since depth of cut is inadequate, causing FPC not cut off completely, there are adhesion problems.
As an improvement, the laminating step of the make-up machine includes：1, the parameter of make-up machine is set, wherein laminate pressure is
40-50KG/CM2, main shaft, collecting shaft, upper dispensing shaft are identical with the rotation direction of lower dispensing shaft, and rotating speed is 14-20M/ minutes；2,
Coiled FPC double faced adhesive tapes are mounted on the main shaft of make-up machine, the free end of FPC double faced adhesive tapes are wrapped on collecting shaft, by FPC
The end of side release paper on double faced adhesive tape is on upper dispensing shaft, the antistatic blue PET that will be placed on lower dispensing shaft
The end of film is adhered on the side that FPC double faced adhesive tape release papers are removed, by make-up machine by the release paper of FPC double faced adhesive tapes side
It is changed to antistatic blue PET film, easy to operate, efficiency is higher, and antistatic blue PET film has anti-static electrification, can be effective
Avoid damage by static electricity LED light.
As an improvement, the main shaft, collecting shaft, upper dispensing shaft and lower dispensing shaft are rotated in the clockwise direction, it is convenient for work
Make personnel and confirms its rotation direction, and the rotation direction of each axis of adjustment when each shaft rotation is dynamic.
As an improvement, it is equipped with gear shaft in the top of the antistatic blue PET film side of the FPC double faced adhesive tapes, it is described
The side of gear shaft is tightly attached on the antistatic blue PET film.
As an improvement, it is equipped with gear shaft in the top of the antistatic blue PET film side of the FPC double faced adhesive tapes, it is described
The both ends of gear shaft are equipped with baffle ring, and the side of the baffle ring is tightly attached on the antistatic blue PET film, and gear shaft is to antistatic
Blue PET film applies pressure, it is made preferably to be adhered on FPC double faced adhesive tapes.
Description of the drawings
Fig. 1 is the FPC of full page in the prior art
Fig. 2 is enlarged diagram at A
Fig. 3 is the FPC of the full page in the present invention
Fig. 4 is the structural schematic diagram of make-up machine
Fig. 5 is gear shaft and baffle ring structural schematic diagram
As shown in the figure, 1, the FPC of full page, 11, LED light, 12, FPCA, 13, first positioning hole, 14, tie point, 2, FPC it is bis-
Face glue, 21, release paper, 22, antistatic blue PET film, 3, main shaft, 4, collecting shaft, 5, upper dispensing shaft, 6, lower dispensing shaft, 7, gear
Axis, 71, baffle ring.
Specific implementation mode
As shown in figure 3, a kind of method that FPC and FPC double faced adhesive tapes are integrally cut, includes the following steps：
S1, the release paper 21 of the one side carried on FPC double faced adhesive tapes 2 is changed to antistatic blue PET film using make-up machine
22,2 one side of FPC double faced adhesive tapes after replacement is release paper 21, and another side is antistatic blue PET film 22；
S2, LED light 11 is fixedly connected on the FPC 1 of full page by the FPC 1 of full page using SMT technologies, LED light 11 is sent out
Side where smooth surface is the front of the FPC 1 of full page, and the other side is the back side of the FPC 1 of full page；
S3, after removing side where release paper on FPC double faced adhesive tapes 2 21, and the side is attached to the back of the body of the FPC 1 of full page
Face makes FPC double faced adhesive tapes 2 be combined with the FPC 1 of full page；
S4, the product obtained in S3 steps is placed in the lower die station of outline die mold, utilizes outline blanking die
The punching cutter of tool carries out cutting operation to the product obtained in S3, and then obtains multiple mutually independent FPCA 12, punching cutter
Including multiple blades, i.e. a knife goes down, and can cut to obtain multiple FPCA 12.
It is cut again due to first pasting FPC double faced adhesive tapes 2, is not arranged on the FPC 1 and FPC double faced adhesive tapes 2 of full page also at this time
A positioning hole 13 and second location hole, the requirement to 2 aligning accuracy of FPC double faced adhesive tapes is relatively low, and the FPCA 12 cut is
Single independent, between each other it is not necessary that the connection of tie point 14 is arranged, so as to avoid FPCA 12 caused by tie point 14, there are hairs
The problems such as thorn, salient point, foreign matter, and need to only remove antistatic blue PET film 22 when in use, is become using, the FPCA 1 that takes
It is more convenient.
As an improvement, trial cut step can also be arranged before S4 steps, which includes：The first step rushes shape
It cuts mold and carries out positioning adjustment, and pad upper PET (polyethylene terephthalate) cushion in lower die station；Second step uses
Punching cutter carries out trial cut to PET cushions, and multiple blades form multiple cut marks on PET cushions；Third walks, and checks on PET cushions
Multiple cut marks depth it is whether consistent, if unanimously, carrying out S4 steps, if inconsistent, the cut mark institute of percentage regulation exception
The knife edge position of corresponding blade makes the knife edge position of all blades be maintained on the same horizontal line.All blades
The knife edge is at same position, it is ensured that multiple FPCA 12 are cut simultaneously, and will not stick together between each other.
As shown in figure 4, the laminating step of make-up machine includes：1, the parameter of make-up machine is set, wherein laminate pressure is 40-
50KG/CM2, main shaft 3, collecting shaft 4, upper dispensing shaft 5 are identical with the rotation direction of lower dispensing shaft 6, and rotating speed is 14-20M/ points
Clock；2, coiled FPC double faced adhesive tapes 2 are mounted on the main shaft 3 of make-up machine, the free end of FPC double faced adhesive tapes 2 is wrapped in collecting shaft
On 4, by the end of the side release paper 21 on FPC double faced adhesive tapes 2 on upper dispensing shaft 5, it will be placed on lower dispensing shaft 6
The end of antistatic blue PET film 22 is adhered on the side that FPC double faced adhesive tapes release paper 21 is removed, main shaft 3, collecting shaft 4, on
Dispensing shaft 5 and lower dispensing shaft 6 are rotated in the clockwise direction, after the side release paper 21 on FPC double faced adhesive tapes 2 is removed, while profit
It is adhered on FPC double faced adhesive tapes 2 with antistatic blue PET film 22 and replaces original release paper 21, in order to make antistatic blue PET film
22 are preferably adhered on FPC double faced adhesive tapes 2, can also be arranged in the top of 22 side of antistatic blue PET film of FPC double faced adhesive tapes
The side of gear shaft 7, gear shaft 7 is tightly attached on antistatic blue PET film 22, and squeezing antistatic blue PET film 22 makes it be adhered to FPC
On double faced adhesive tape 2.
As shown in figure 5, as an improvement, the top in 22 side of antistatic blue PET film of FPC double faced adhesive tapes 2 is equipped with gear shaft
7, the both ends of gear shaft 7 are equipped with baffle ring 71, and the side of baffle ring 71 is tightly attached on antistatic blue PET film 22, due to subsequently using
Make to need to remove FPCA 12 from antistatic blue PET film 22, therefore utilizes baffle ring 71 by antistatic blue PET film 22
Edge is pressed on FPC double faced adhesive tapes 2, keeps the attachment force between the edge and FPC double faced adhesive tapes 2 of antistatic blue PET film 22 larger,
Attachment force between middle section and FPC double faced adhesive tapes 2 is smaller, and FPCA 1 is removed convenient for follow-up.
The blanking process of the present invention can be summarized simply as follows：Release paper 21 on FPC double faced adhesive tapes 2 is changed to antistatic indigo plant
Punching that LED light 11 is fixed on the FPC 1 of full page by color PET film 22-- -- FPC double faced adhesive tapes 2 are attached on the FPC 1 of full page --
Obtain individual FPCA 12.Present invention process is simple, low to the attaching precision requirement of FPC double faced adhesive tapes 2, and the FPC 1 of full page is arrived
The process of FPCA 12 can be all processed using machine, and processing efficiency is improved.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that, it still can be to implementation above-mentioned
Example recorded in technical solution modify, or to wherein each section technical characteristic carry out equivalent replacement, and these modification or
Person replaces, the range for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of method that FPC and FPC double faced adhesive tapes are integrally cut, which is characterized in that include the following steps：
S1, the release paper (21) of the one side carried on FPC double faced adhesive tapes (2) is changed to antistatic blue PET film using make-up machine
(22), the FPC double faced adhesive tapes (2) after replacement are release paper (21) on one side, and another side is antistatic blue PET film (22)；
S2, LED light (11) is fixedly connected on the FPC (1) of full page by the FPC (1) of full page using SMT technologies, LED light (11)
Side where light-emitting surface is the front of the FPC (1) of full page, and the other side is the back side of the FPC (1) of full page；
S3, after removing side on FPC double faced adhesive tapes (2) where release paper (21), and the side is attached to the FPC (1) of full page
The back side makes FPC double faced adhesive tapes (2) be combined with the FPC (1) of full page；
S4, the product obtained in S3 is placed in the lower die station of outline die mold, utilizes the punching of outline die mold
Knife carries out cutting operation to the product obtained in S3, and then obtains multiple mutually independent FPCA (12), the punching cutter
Including multiple blades.
2. a kind of method that FPC and FPC double faced adhesive tapes are integrally cut according to claim 1, which is characterized in that in described
Trial cut step is set before S4 steps, and the trial cut step includes：The first step carries out positioning adjustment to shape die cutting die, and
Upper PET cushions are padded in lower die station；Second step carries out trial cut using punching cutter to PET cushions, and multiple blades are on PET cushions
Form multiple cut marks；Third walks, and checks whether the depth of multiple cut marks on PET cushions is consistent, if unanimously, carrying out S4 steps
Suddenly, if inconsistent, the knife edge position of the blade corresponding to the cut mark of percentage regulation exception makes the knife edge position of all blades
It is maintained on the same horizontal line.
3. a kind of method that FPC and FPC double faced adhesive tapes are integrally cut according to claim 1, which is characterized in that the patch
The laminating step of conjunction machine includes：1, the parameter of make-up machine is set, wherein laminate pressure is 40-50KG/CM2, main shaft (3), rewinding
Axis (4), upper dispensing shaft (5) are identical with the lower rotation direction of dispensing shaft (6), and rotating speed is 14-20M/ minutes；2, by coiled FPC
Double faced adhesive tape (2) is mounted on the main shaft (3) of make-up machine, and the free end of FPC double faced adhesive tapes (2) is wrapped on collecting shaft (4), will
The end of side release paper (21) on FPC double faced adhesive tapes (2) will be placed on upper dispensing shaft (5) on lower dispensing shaft (6)
The end of antistatic blue PET film (22) be adhered on the side that FPC double faced adhesive tapes (2) release paper (21) is removed.
4. a kind of method that FPC and FPC double faced adhesive tapes are integrally cut according to claim 3, which is characterized in that the master
Axis (3), collecting shaft (4), upper dispensing shaft (5) and lower dispensing shaft (6) are rotated in the clockwise direction.
5. a kind of method that FPC and FPC double faced adhesive tapes are integrally cut according to claim 3, which is characterized in that described
The top of antistatic blue PET film (22) side of FPC double faced adhesive tapes (2) is equipped with gear shaft (7), and the side of the gear shaft (7) is tight
It is attached on the antistatic blue PET film (22).
6. a kind of method that FPC and FPC double faced adhesive tapes are integrally cut according to claim 3, which is characterized in that described
The top of antistatic blue PET film (22) side of FPC double faced adhesive tapes (2) is equipped with gear shaft (7), and the both ends of the gear shaft (7) are set
There are baffle ring (71), the side of the baffle ring (71) to be tightly attached on the antistatic blue PET film (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488207.6A CN108811329A (en) | 2018-05-21 | 2018-05-21 | A kind of method that FPC and FPC double faced adhesive tapes are integrally cut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488207.6A CN108811329A (en) | 2018-05-21 | 2018-05-21 | A kind of method that FPC and FPC double faced adhesive tapes are integrally cut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108811329A true CN108811329A (en) | 2018-11-13 |
Family
ID=64091173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810488207.6A Pending CN108811329A (en) | 2018-05-21 | 2018-05-21 | A kind of method that FPC and FPC double faced adhesive tapes are integrally cut |
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| CN (1) | CN108811329A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381667A (en) * | 2019-07-04 | 2019-10-25 | 山本光电(龙川)有限公司 | A kind of FPC production method and structure |
| CN110883856A (en) * | 2019-11-19 | 2020-03-17 | 深圳市隆利科技股份有限公司 | Method for integrally cutting FPC (Flexible printed Circuit) and LED (light-emitting diode) lamp strip |
| CN110972398A (en) * | 2019-12-11 | 2020-04-07 | 芜湖雅葆轩电子科技股份有限公司 | Processing technology of PCB (printed circuit board) free of high-temperature resistant material |
| CN111010805A (en) * | 2019-12-20 | 2020-04-14 | 深圳市南极光电子科技股份有限公司 | LED lamp bead fixing method, LED lamp strip and mobile terminal |
| 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 |
| WO2021114705A1 (en) * | 2019-12-11 | 2021-06-17 | 王定锋 | Special-shaped led light strip and manufacturing method |
| CN113894867A (en) * | 2021-09-30 | 2022-01-07 | 苏州市腾鑫精密材料科技有限公司 | Adhesive tape sticking method for flexible circuit board covering film |
| CN114274654A (en) * | 2021-10-21 | 2022-04-05 | 厦门美塑工贸有限公司 | Gum application method and gum application die cutting device for mini LED reflector plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111010805A (en) * | 2019-12-20 | 2020-04-14 | 深圳市南极光电子科技股份有限公司 | LED lamp bead fixing method, LED lamp strip and mobile terminal |
| CN111010805B (en) * | 2019-12-20 | 2022-01-11 | 深圳市南极光电子科技股份有限公司 | LED lamp bead fixing method, LED lamp strip and mobile terminal |
| 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 |
| CN113894867A (en) * | 2021-09-30 | 2022-01-07 | 苏州市腾鑫精密材料科技有限公司 | Adhesive tape sticking method for flexible circuit board covering film |
| CN114274654A (en) * | 2021-10-21 | 2022-04-05 | 厦门美塑工贸有限公司 | Gum application method and gum application die cutting device for mini LED reflector plate |
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Application publication date: 20181113 |
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