CN104802214A - Drilling method of overlength printed circuit board - Google Patents
Drilling method of overlength printed circuit board Download PDFInfo
- Publication number
- CN104802214A CN104802214A CN201510142122.9A CN201510142122A CN104802214A CN 104802214 A CN104802214 A CN 104802214A CN 201510142122 A CN201510142122 A CN 201510142122A CN 104802214 A CN104802214 A CN 104802214A
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- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- overlength
- pcb
- brace table
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B26F1/16—Perforating by tool or tools of the drill type
-
- 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
- B26D7/01—Means for holding or positioning work
- B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
- B26F2210/08—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of ceramic green sheets, printed circuit boards and the like
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a drilling method of an overlength printed circuit board. The drilling method of the overlength printed circuit board comprises the following steps: positioning the overlength printed circuit board above a support table of a drilling system, the first part of the overlength printed circuit board is supported and fixed by the support table and positioned below a drill bit, and the second part of the overlength printed circuit board is supported by an assistant support base plate extending from the edge of the support table; drilling a hole on the first part of the overlength printed circuit board for the first time through the drill bit; rotating the overlength printed circuit board on the table top of the support table and rotating the second part of the overlength printed circuit board below the drill bit to be supported and fixed by the support table; drilling a hole on the second part of the overlength printed circuit board for the second time through the drill bit.
Description
Technical field
The present invention relates to printed circuit board (PCB) (Printed Circuit Board, PCB) manufacturing technology, especially, relate to a kind of boring method of overlength printed circuit board (PCB).
Background technology
Printed circuit board (PCB) is the important electrical parts of electronic product inside, and they are except the various components and parts being used for fixing electronic product inside, and the circuit between various components and parts can also be provided to connect.Along with the development of mechanics of communication and the information processing technology, the increased popularity of overlength high-frequency microwave and Special printed circuit board, particularly wireless radio frequency circuit Technology application is more and more wider, as receiver, base antenna, microwave transmission, satellite communication, communication apparatus adapter, receiver, high-frequency communication etc., overlength printed circuit board (PCB) is widely used.
At present, the length dimension of overlength printed circuit board (PCB) is general all between 1000mm-2000mm, when holing owing to limiting by mesa width and capacity of equipment, needs the bore mode adopting segmentation docking.In order to ensure the accuracy of plated through-hole and circuit in plate, at segmentation opposite bore, the deviation of twice or multiple bearing being wanted suitable little, except the precision of control rig, the bearing amplitude of oscillation, product design also having requirement strict especially.
For the segmentation docking calculation of overlength printed circuit board drilling, prior art is generally utilize pairs of bit line technique, overlength printed circuit board (PCB) first section and second section are holed according to pairs of bit line respectively, adhesive tape is used to be fixed by plate, but vibrations and the amplitude of oscillation may be there is in drilling machine in running, plate there will be minute movement on table top, and produce certain skew, therefore the figure of boring and subsequent technique can be caused to occur the problems such as off normal, thus affect the quality of overlength printed circuit board (PCB).
Summary of the invention
One of them object of the present invention is as solving the problems of the technologies described above and providing a kind of boring method of overlength printed circuit board (PCB).
The boring method of overlength printed circuit board (PCB) provided by the invention, comprise: above brace table overlength printed circuit board (PCB) being placed on hole-drilling system, the Part I of wherein said overlength printed circuit board (PCB) is fixed by described brace table support and is positioned at the below of drill bit, and the Part II of described overlength printed circuit board (PCB) is supported by the supplemental support backing plate extended from described brace table edge; The Part I of described drill bit to described overlength printed circuit board (PCB) is utilized to carry out first time drilling operation; Rotate described overlength printed circuit board (PCB) at the table top of described brace table, with by the Part II of described overlength printed circuit board (PCB) rotate to described drill bit below and support by described brace table fixing; The Part II of described drill bit to described overlength printed circuit board (PCB) is utilized to carry out second time drilling operation.
In a kind of preferred embodiment of the boring method of overlength printed circuit board (PCB) provided by the invention, the length of described overlength printed circuit board (PCB) is between 650mm to 1300mm, and the length of described auxiliary support plate is between 500mm to 800mm.
In a kind of preferred embodiment of the boring method of overlength printed circuit board (PCB) provided by the invention, the Part I of described overlength printed circuit board (PCB) and the edges of boards region of Part II junction arrange asymmetry pin locating holes respectively, described brace table surface is provided with the pin corresponding with described asymmetry pin locating holes, for being fixed described overlength printed circuit board (PCB).
In a kind of preferred embodiment of the boring method of overlength printed circuit board (PCB) provided by the invention, described asymmetry pin locating holes comprises three through holes, described three through holes composition triangle disposition structure, and the asymmetry pin locating holes of opposite side adopts asymmetrical design.
In a kind of preferred embodiment of the boring method of overlength printed circuit board (PCB) provided by the invention, the aperture of described asymmetry pin locating holes is between 3.0mm to 3.5mm, and its vertically distance be between 10mm to 20mm.
In a kind of preferred embodiment of the boring method of overlength printed circuit board (PCB) provided by the invention, the spacing between adjacent two asymmetry pin locating holes can be between 3.0mm to 5.0mm.
In a kind of preferred embodiment of the boring method of overlength printed circuit board (PCB) provided by the invention, the rotating mechanism being rotated through described brace table surface of described overlength printed circuit board (PCB) realizes.
In a kind of preferred embodiment of the boring method of overlength printed circuit board (PCB) provided by the invention, described rotating mechanism the table top of described brace table turnback is revolved to described overlength printed circuit board (PCB) thus described Part II is rotated to below described drill bit described Part I rotates to above described supplemental support backing plate.
Compared to prior art, the boring method of overlength printed circuit board (PCB) provided by the invention utilizes when the drilling operation of described overlength printed circuit board (PCB) is carried out in segmentation the supplemental support backing plate extended from brace table edge to carry out support to the non-drilled part of carrying out described overlength printed circuit board (PCB) and fixes, effectively can be reduced in the printed circuit board (PCB) of overlength described in boring procedure occur vibrations and wave, thus improve production yield and the quality of product; And, described boring method just directly can carry out the drilling operation of the Part II of described overlength printed circuit board (PCB) after the drilling operation of Part I completing described overlength printed circuit board (PCB) by rotating described overlength printed circuit board (PCB), therefore can effectively enhance productivity.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the schematic flow sheet of a kind of embodiment of boring method of overlength printed circuit board (PCB) provided by the invention;
Fig. 2 is the schematic diagram of the hole-drilling system that the boring method of the overlength printed circuit board (PCB) shown in Fig. 1 can be suitable for;
Fig. 3 is the schematic diagram of boring method when first paragraph plate is holed of the overlength printed circuit board (PCB) shown in Fig. 1;
Fig. 4 is the schematic diagram of boring method when second segment plate is holed of the overlength printed circuit board (PCB) shown in Fig. 1;
Fig. 5 is the planar structure schematic diagram of the overlength printed circuit board (PCB) that the boring method of the overlength printed circuit board (PCB) shown in Fig. 1 adopts.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Referring to Fig. 1, is the schematic flow sheet of a kind of embodiment of boring method of overlength printed circuit board (PCB) provided by the invention.The boring method of described overlength printed circuit board (PCB) can be applied in hole-drilling system as shown in figs. 2 to 4, described hole-drilling system 100 can be used for carrying out segmentation dock ground drilling operation to overlength printed circuit board (PCB) 200, it comprises brace table 110, drill bit 120 and supplemental support backing plate 130, wherein, described drill bit 120 is arranged on the top of described brace table 110, described brace table 110 is for supporting the boring part of described overlength printed circuit board (PCB) 200 when described overlength printed circuit board (PCB) 200 carries out drilling operation, described supplemental support backing plate 130 extends from the edge of described brace table 110, it is mainly used in the non-drilled part of the overlength printed circuit board (PCB) 200 described in supplemental support when described overlength printed circuit board (PCB) 200 carries out drilling operation.
In a particular embodiment, described brace table 110 can be that length and width are respectively 650mm and 530mm, the length of described overlength printed circuit board (PCB) 200 is greater than described brace table 110, such as it can be that length is greater than 650mm and is less than the printed circuit board (PCB) of 1300mm, can have and an extension (current non-drilled part) when therefore it is placed on described brace table 110 compared to described brace table 110; The length of described supplemental support backing plate 130 can be determined according to the concrete length of described overlength printed circuit board (PCB) 200, and such as it can be approximately 500mm to 800mm, to support the extension of fixing described overlength printed circuit board (PCB) 200.
Please consult Fig. 5 further, described overlength printed circuit board (PCB) 200 can comprise the boring region 210 at middle part and is positioned at described overlength printed circuit board (PCB) 200 edge and surrounds the edges of boards region 220 in described boring region 210, and described edges of boards region 220 can be provided with the brace table 110 that pin locating holes 230 is secured to described hole-drilling system 100.Accordingly, the correspondence position of described brace table 110 can be provided with pin (not shown) and realize the fixing of described overlength printed circuit board (PCB) 200 to coordinate described pin locating holes 230.
Two sections can be divided into when utilizing the boring method of the overlength printed circuit board (PCB) provided in the present embodiment and carry out drilling operation respectively, such as, described overlength printed circuit board (PCB) 200 is divided into Part I I and Part II II along center line, wherein said Part I I first can perform drilling operation, after the boring of described Part I I completes, then perform the drilling operation of described Part II II.
And, the edges of boards region 220 of the Part I I of described overlength printed circuit board (PCB) 200 and Part II II junction (being namely mid court territory), asymmetry pin locating holes 230 can be set respectively in the both sides that described boring region 210 is relative, described asymmetry pin locating holes 230 can be the triangle locating hole be made up of three through holes, three through hole compositions of such as described asymmetry pin locating holes 230 are similar to the through hole of triangle disposition, and opposite side adopts asymmetrical design, as shown in Figure 5.Accordingly, described brace table 110 can be provided with at respective regions the pin matched with described asymmetry pin locating holes 230, passes described asymmetry pin locating holes 230 thus realize the fixing of described overlength printed circuit board (PCB) 200 when described overlength printed circuit board (PCB) 200 carries out drilling operation.In a particular embodiment, the aperture of described asymmetry pin locating holes 230 can be between 3.0mm to 3.5mm, and its vertically distance can be between 10mm to 20mm, and the spacing between adjacent two asymmetry pin locating holes 230 can be between 3.0mm to 5.0mm.
Based on above-mentioned hole-drilling system 100, as shown in Figure 1, the boring method of described overlength printed circuit board (PCB) can mainly comprise the following steps:
Step S1, is placed on the brace table of hole-drilling system by overlength printed circuit board (PCB), the Part I of wherein said overlength printed circuit board (PCB) is positioned at the below of drill bit;
Particularly, as shown in Figures 2 and 3, when described overlength printed circuit board (PCB) 200 is placed on the brace table 110 of described hole-drilling system 100, its Part I I support by described brace table 110, and below the drill bit 120 of described hole-drilling system 100; Meanwhile, the supplemental support backing plate 130 that extended by described brace table 110 edge of the Part II II of described overlength printed circuit board (PCB) 200 support.Now, the Part I I of described overlength printed circuit board (PCB) 200 is just as the boring part of Present Borehole operation, and its Part II II is just as the non-drilled part of Present Borehole operation.And, after described overlength printed circuit board (PCB) 200 is placed on described brace table 110, described overlength printed circuit board (PCB) 200 is fixed with the bayonet fittings of described brace table 110 by the asymmetry pin locating holes 230 at its Part I I and edge, Part II II junction.
Step S2, utilizes the Part I of described drill bit to described overlength printed circuit board (PCB) to carry out first time drilling operation;
Particularly, after described overlength printed circuit board (PCB) 200 is placed on described brace table 110, described hole-drilling system 100 just can perform first time drilling operation, namely utilizes the Part I I of described drill bit 120 to described overlength printed circuit board (PCB) 200 directly to carry out drilling operation.
Step S3, overlength printed circuit board (PCB) described in described brace table Plane Rotation, with the below making the Part II of described overlength printed circuit board (PCB) be positioned at described drill bit;
As shown in Figure 4, after the Part I I drilling operation of described overlength printed circuit board (PCB) 200 completes, described overlength printed circuit board (PCB) 200 can be revolved turnback, such as, described brace table 110 surface can be designed with rotating mechanism, now can start described rotating mechanism and described overlength printed circuit board (PCB) 200 is revolved turnback on the table top of described brace table 110, thus the Part II II of described overlength printed circuit board (PCB) 200 is rotated to the below of described drill bit 120.The Part I I now having completed the described overlength printed circuit board (PCB) 200 of drilling operation just to rotate to above described supplemental support backing plate 130 and is supported by described supplemental support backing plate 130.
Step S4, utilizes the Part II of described drill bit to described overlength printed circuit board (PCB) to carry out second time drilling operation.
Particularly, after the below Part II II of described overlength printed circuit board (PCB) 200 being rotated to described drill bit 120, described hole-drilling system 100 just can perform second time drilling operation, namely utilizes the Part II II of described drill bit 120 to described overlength printed circuit board (PCB) 200 to hole.So far, described overlength printed circuit board (PCB) 200 is just divided into two sections and carries out drilling operation by two drilling operatings.
Compared to prior art, the boring method of overlength printed circuit board (PCB) provided by the invention utilizes when the drilling operation of described overlength printed circuit board (PCB) is carried out in segmentation the supplemental support backing plate extended from brace table edge to carry out support to the non-drilled part of carrying out described overlength printed circuit board (PCB) and fixes, effectively can be reduced in the printed circuit board (PCB) of overlength described in boring procedure occur vibrations and wave, thus improve production yield and the quality of product; And, described boring method just directly can carry out the drilling operation of the Part II of described overlength printed circuit board (PCB) after the drilling operation of Part I completing described overlength printed circuit board (PCB) by rotating described overlength printed circuit board (PCB), therefore can effectively enhance productivity.In addition, described boring method passes through asymmetricly pin locating holes, effectively can control once to hole and occur the problem such as off normal, irregular hole position/pattern dislocation in secondary drilling process, further raising product yield, further, by the asymmetric pin locate mode of opposite side, overlength printed circuit board (PCB) direction is avoided to put back, thus fool proof effect can be played, ensure the quality of Product processing.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a boring method for overlength printed circuit board (PCB), is characterized in that, comprising:
Above brace table overlength printed circuit board (PCB) being placed on hole-drilling system, the Part I of wherein said overlength printed circuit board (PCB) is fixed by described brace table support and is positioned at the below of drill bit, and the Part II of described overlength printed circuit board (PCB) is supported by the supplemental support backing plate extended from described brace table edge;
The Part I of described drill bit to described overlength printed circuit board (PCB) is utilized to carry out first time drilling operation;
Rotate described overlength printed circuit board (PCB) at the table top of described brace table, with by the Part II of described overlength printed circuit board (PCB) rotate to described drill bit below and support by described brace table fixing;
The Part II of described drill bit to described overlength printed circuit board (PCB) is utilized to carry out second time drilling operation.
2. the boring method of overlength printed circuit board (PCB) according to claim 1, is characterized in that, the length of described overlength printed circuit board (PCB) is between 650mm to 1300mm, and the length of described auxiliary support plate is between 500mm to 800mm.
3. the boring method of overlength printed circuit board (PCB) according to claim 1, it is characterized in that, the Part I of described overlength printed circuit board (PCB) and the edges of boards region of Part II junction arrange asymmetry pin locating holes respectively, described brace table surface is provided with the pin corresponding with described asymmetry pin locating holes, for being fixed described overlength printed circuit board (PCB).
4. the boring method of overlength printed circuit board (PCB) according to claim 4, it is characterized in that, described asymmetry pin locating holes comprises three through holes, described three through holes composition triangle disposition structure, and the asymmetry pin locating holes of opposite side adopts asymmetrical design.
5. the boring method of overlength printed circuit board (PCB) according to claim 4, is characterized in that, the aperture of described asymmetry pin locating holes is between 3.0mm to 3.5mm, and its vertically distance be between 10mm to 20mm.
6. the boring method of overlength printed circuit board (PCB) according to claim 5, is characterized in that, the spacing between adjacent two asymmetry pin locating holes can be between 3.0mm to 5.0mm.
7. the boring method of overlength printed circuit board (PCB) according to claim 1, is characterized in that, the rotating mechanism being rotated through described brace table surface of described overlength printed circuit board (PCB) realizes.
8. the boring method of overlength printed circuit board (PCB) according to claim 7, it is characterized in that, described rotating mechanism the table top of described brace table turnback is revolved to described overlength printed circuit board (PCB) thus described Part II is rotated to below described drill bit described Part I rotates to above described supplemental support backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142122.9A CN104802214A (en) | 2015-03-27 | 2015-03-27 | Drilling method of overlength printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142122.9A CN104802214A (en) | 2015-03-27 | 2015-03-27 | Drilling method of overlength printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104802214A true CN104802214A (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510142122.9A Pending CN104802214A (en) | 2015-03-27 | 2015-03-27 | Drilling method of overlength printed circuit board |
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| CN (1) | CN104802214A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376940A (en) * | 2015-10-29 | 2016-03-02 | 深圳市五株科技股份有限公司 | Machining method for super-long printed circuit board |
| CN110708876A (en) * | 2019-10-08 | 2020-01-17 | 珠海景旺柔性电路有限公司 | Method for punching covering film by cutting die based on segmented drilling |
| CN110996516A (en) * | 2019-11-22 | 2020-04-10 | 加宏科技（无锡）股份有限公司 | Long-size circuit board V-cut processing method |
| CN113579281A (en) * | 2021-08-16 | 2021-11-02 | 深圳大学 | Micropore machining device and ultrasonic-assisted drilling system |
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| GB2288229A (en) * | 1994-03-31 | 1995-10-11 | Seikosha Kk | Method and apparatus for perforating printed circuit boards |
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| CN102114549A (en) * | 2010-12-23 | 2011-07-06 | 北大方正集团有限公司 | Drilling method and drilling device |
| CN102387667A (en) * | 2011-10-26 | 2012-03-21 | 高德（无锡）电子有限公司 | Processing technology of blind drilled counterbore on high-density interlinked printed circuit board |
| CN103313517A (en) * | 2012-03-16 | 2013-09-18 | 北大方正集团有限公司 | Drilling positioning method for PCB (printed circuit board) |
| CN203779587U (en) * | 2014-04-08 | 2014-08-20 | 东台精机股份有限公司 | Flexible printed circuit board drilling machine |
| CN203805074U (en) * | 2014-01-23 | 2014-09-03 | 吉安市满坤科技有限公司 | Novel PCB (Printed Circuit Board) drilling device |
| CN104385362A (en) * | 2014-08-28 | 2015-03-04 | 梅州市志浩电子科技有限公司 | Opposite angle hole separated jumping drilling method of printed circuit board |
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| GB2288229A (en) * | 1994-03-31 | 1995-10-11 | Seikosha Kk | Method and apparatus for perforating printed circuit boards |
| CN102107290A (en) * | 2010-12-23 | 2011-06-29 | 北大方正集团有限公司 | Drilling method and drilling equipment |
| CN102114549A (en) * | 2010-12-23 | 2011-07-06 | 北大方正集团有限公司 | Drilling method and drilling device |
| CN102387667A (en) * | 2011-10-26 | 2012-03-21 | 高德（无锡）电子有限公司 | Processing technology of blind drilled counterbore on high-density interlinked printed circuit board |
| CN103313517A (en) * | 2012-03-16 | 2013-09-18 | 北大方正集团有限公司 | Drilling positioning method for PCB (printed circuit board) |
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| CN104385362A (en) * | 2014-08-28 | 2015-03-04 | 梅州市志浩电子科技有限公司 | Opposite angle hole separated jumping drilling method of printed circuit board |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376940A (en) * | 2015-10-29 | 2016-03-02 | 深圳市五株科技股份有限公司 | Machining method for super-long printed circuit board |
| CN110708876A (en) * | 2019-10-08 | 2020-01-17 | 珠海景旺柔性电路有限公司 | Method for punching covering film by cutting die based on segmented drilling |
| CN110996516A (en) * | 2019-11-22 | 2020-04-10 | 加宏科技（无锡）股份有限公司 | Long-size circuit board V-cut processing method |
| CN113579281A (en) * | 2021-08-16 | 2021-11-02 | 深圳大学 | Micropore machining device and ultrasonic-assisted drilling system |
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| CB03 | Change of inventor or designer information |
Inventor after: Li Chunming Inventor after: Zeng Zhi Inventor after: Liang Gao Inventor before: Li Chunming Inventor before: Zeng Zhi Inventor before: Hu Guoliang Inventor before: Liang Gao |
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| COR | Change of bibliographic data | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |
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| RJ01 | Rejection of invention patent application after publication |