CN203697139U - Die for punching half holes - Google Patents
Die for punching half holes Download PDFInfo
- Publication number
- CN203697139U CN203697139U CN201420033063.2U CN201420033063U CN203697139U CN 203697139 U CN203697139 U CN 203697139U CN 201420033063 U CN201420033063 U CN 201420033063U CN 203697139 U CN203697139 U CN 203697139U
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- CN
- China
- Prior art keywords
- punching
- half hole
- die
- mould
- red needle
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- Expired - Fee Related
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Abstract
The utility model discloses a die for punching half holes. The die comprises a plurality of punching bodies, semi-circular punching needles with the same distance are arranged on the two sides of the punching bodies in a protruding mode, and the diameter of the semi-circular punching needles is 0.02 mm smaller than that of the half holes. One-time forming of direct half hole die punching and periphery manufacture after a half hole plate is coated with a solder mask is achieved through optimization of the punching plate die, so that the technological process is optimized, production efficiency is improved, and cost is saved.
Description
Technical field
The utility model relates to PCB former field, relates in particular to a kind of for rushing the mould in half hole.
Background technology
In prior art, the mould in stamping half hole, it adopts conventional design as shown in Figure 1, its mould 100 sides are level and smooth setting, this design need to coordinate assisting workflows could rush half hole without burr, needs to make through 2 moulding and 2 green oil operations, and flow process complexity, production efficiency are low.Half hole punching flow process of prior art is as follows: graphic plating--outer etching--plugging green oil--stamping half hole--internal layer moves back film--welding resistance--character--heavy nickel gold--moulding-FQC, prior art needs assisting workflows just can avoid directly rushing the serious burr that half hole causes, its assisting workflows principle is as follows: the 1st anti-welding making is plugging green oil, after precuring, green oil has certain hardness, when punching, can avoid copper sheet pull-up in hole, therefore avoided the generation of burr, in half hole, green oil itself helps out, completing punching needs to return behind half hole and could normally carry out rear operation making.But thus, the flow process of prior art increases, very large on production efficiency impact, and indirectly bring certain quality risk.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, it is a kind of for rushing the mould in half hole that the purpose of this utility model is to provide, and is intended to solve existing punching half problem that hole explained hereafter efficiency is low, flow process is complicated.
The technical solution of the utility model is as follows:
For rushing the mould in half hole, wherein, described mould comprises some punching bodies, is provided with in the both sides of described punching body projection the semicircle red needle that spacing is identical, and the diameter of described semicircle red needle is than the little 0.02mm of the diameter in half hole.
Described for rushing the mould in half hole, wherein, the distance on the top in the top of described semicircle red needle and corresponding half hole is 0.05mm ~ 0.07mm.
Described for rushing the mould in half hole, wherein, the distance on the top in the top of described semicircle red needle and corresponding half hole is 0.06mm.
Described for rushing the mould in half hole, wherein, described punching body is provided with 4.
Beneficial effect: the utility model by the optimization of the board mold that liquidates realize half orifice plate in the direct stamping of anti-postwelding half hole+periphery makes 1 moulding, thereby make technological process obtain optimization, and improved production efficiency, saved cost.
Brief description of the drawings
Fig. 1 is the structural representation that rushes half punch die in prior art.
Fig. 2 is of the present utility model for rushing the structural representation of mould in half hole.
Fig. 3 is related to schematic diagram between semicircle red needle and finished product half hole in mould of the present utility model.
Detailed description of the invention
It is a kind of for rushing the mould in half hole that the utility model provides, and for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, below the utility model further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 2, Fig. 2 is that the utility model is a kind of for rushing the structural representation of mould preferred embodiment in half hole, as shown in the figure, it comprises some punching bodies 200, be provided with in the both sides of described punching body 200 projection the semicircle red needle 210 that multiple spacing are identical, for example both sides are evenly provided with respectively 12 semicircle red needles, and the diameter of described semicircle red needle 210 is than the little 0.02mm of diameter of half hole (needing half hole of processing).
As shown in Figure 3, the distance on the top in the top of described semicircle red needle and corresponding half hole is 0.05mm ~ 0.07mm.Preferably, the distance on the top in the top of described semicircle red needle and corresponding half hole is 0.06mm.And the little 0.01mm of radius in radius ratio half hole of semicircle red needle 210, the i.e. little 0.02mm of diameter.
Half bore dia of processing taking need is as 0.5mm, radius are as 0.25mm is as example, the diameter of semicircle red needle can be set to 0.5-0.02=0.48mm, and distance is 0.06mm between the top in the correspondence outside, Yu Ban hole, top in the outside of semicircle red needle, the length of semicircle red needle is 0.24-0.06=0.18mm so.
As shown in Figure 2, punching body of the present utility model is provided with 4, is symmetrical arranged up and down 2, is symmetrical set 2, rushes half hole to realize high efficiency.
Pass through the utility model, realized and not increased on the basis of equipment investment, by the optimization of the board mold that liquidates realize half orifice plate in the direct stamping of anti-postwelding half hole+periphery make 1 moulding, thereby make technological process obtain optimization, and improve production efficiency, saved cost.
Below the utility model is further described:
First, on the basis of conventional mould, mould red needle is carried out to design optimization, the red needle after improvement is set to semi-circular shape, and its diameter is than the little 0.02mm in finished product aperture, and the distance on the top in the top of semicircle red needle and corresponding half hole is 0.05mm ~ 0.07mm.
After conventional mould is improved, can realize half orifice plate in 1 moulding of the anti-postwelding peripheral making in direct stamping half hole, do not need auxiliary process, therefore flow process is simplified, and efficiency improves.
Flow process after optimization is as follows: graphic plating--outer etching--welding resistance--character--heavy nickel gold--moulding-FQC, after Optimizing Flow, plugging green oil and internal layer move back 2 operations of film (moving back consent green oil) and cancel, and 2 moulding of stamping half Kong Yu once can complete.
Wherein relevant technological parameter is as follows: mould adopts slow wire feeding technique, and PCB industry is referred to as fine blanking die technique.Former layout design red needle diameter, while there will be in incision half hole the not enough 0.05-0.07mm of red needle top distance half hole hole wall, when die sinking, drawing indicates and suitably reduces to cut red needle length half hole in, and guarantee red needle top is apart from half hole hole wall 0.05-0.07mm.
In actual production, after adopting above method to make, its beneficial effect is as follows:
1, process optimization: in the flow process after die improvement, plugging green oil and internal layer move back 2 operations of film (moving back consent green oil) and cancel, and 2 moulding of stamping half Kong Yu once can complete, and therefore 3 operations are fallen in process optimization.
2, cost-saving: former requirements of process adopts plugging green oil assisting workflows, does not need consent in the flow process after die improvement, does not need to use consent material as consent half tone and consent green oil, manufactures cost therefore saved.
3, improved production efficiency: to produce the former consent flow process of 1 LOT plate 100PNL plate as example, need of production consent 3H how consuming time, baking sheet 1H after consent, moves back film 1H, punching 1H, after optimizing, 1 LOT plate is minimum saves the above production time of 6H.
4, reduce quality risk: former flow process consent is all to carry out after circuit completes, easily cause circuit wipe flower and sever the quality problem such as line, and circuit normal anti-welding making after completing after process optimization has reduced quality risk.
In sum, the utility model by the optimization of the board mold that liquidates realize half orifice plate in the direct stamping of anti-postwelding half hole+periphery makes 1 moulding, thereby make technological process obtain optimization, and improved production efficiency, saved cost.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or convert, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1. for rushing the mould in half hole, it is characterized in that, described mould comprises some punching bodies, is provided with in the both sides of described punching body projection the semicircle red needle that spacing is identical, and the diameter of described semicircle red needle is than the little 0.02mm of the diameter in half hole.
2. according to claim 1ly it is characterized in that for rushing the mould in half hole, the distance on the top in the top of described semicircle red needle and corresponding half hole is 0.05mm ~ 0.07mm.
3. according to claim 2ly it is characterized in that for rushing the mould in half hole, the distance on the top in the top of described semicircle red needle and corresponding half hole is 0.06mm.
4. according to claim 1ly it is characterized in that for rushing the mould in half hole, described punching body is provided with 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033063.2U CN203697139U (en) | 2014-01-20 | 2014-01-20 | Die for punching half holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033063.2U CN203697139U (en) | 2014-01-20 | 2014-01-20 | Die for punching half holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697139U true CN203697139U (en) | 2014-07-09 |
Family
ID=51047635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033063.2U Expired - Fee Related CN203697139U (en) | 2014-01-20 | 2014-01-20 | Die for punching half holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697139U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657992A (en) * | 2016-01-25 | 2016-06-08 | 东莞联桥电子有限公司 | Direct stamping process for PCB (Printed Circuit Board) with copper-plated half-hole design |
| CN109500911A (en) * | 2019-01-19 | 2019-03-22 | 久群精密机械(昆山)有限公司 | A kind of PCB squeezes flat one-pass molding stamping die |
| CN109743839A (en) * | 2018-12-17 | 2019-05-10 | 智恩电子(大亚湾)有限公司 | A kind of method of non-metallic half-pore plate |
-
2014
- 2014-01-20 CN CN201420033063.2U patent/CN203697139U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657992A (en) * | 2016-01-25 | 2016-06-08 | 东莞联桥电子有限公司 | Direct stamping process for PCB (Printed Circuit Board) with copper-plated half-hole design |
| CN109743839A (en) * | 2018-12-17 | 2019-05-10 | 智恩电子(大亚湾)有限公司 | A kind of method of non-metallic half-pore plate |
| CN109500911A (en) * | 2019-01-19 | 2019-03-22 | 久群精密机械(昆山)有限公司 | A kind of PCB squeezes flat one-pass molding stamping die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20220120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |