CN203518882U - Jig for testing printed circuit board forming fishing missing - Google Patents
Jig for testing printed circuit board forming fishing missing Download PDFInfo
- Publication number
- CN203518882U CN203518882U CN201320613324.3U CN201320613324U CN203518882U CN 203518882 U CN203518882 U CN 203518882U CN 201320613324 U CN201320613324 U CN 201320613324U CN 203518882 U CN203518882 U CN 203518882U
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- CN
- China
- Prior art keywords
- circuit board
- diameter
- inside groove
- pin
- printed circuit
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a jig for testing printed circuit board forming fishing missing. The jig comprises a jig base plate. The jig is characterized in that two outer frame pins are arranged at each of the four corners of the jig base plate, each outer frame pin is tangent to one edge of a circuit board, and a region for containing the circuit board is defined by the outer frame pins; locating pins which correspond to locating holes in the circuit board and inner groove pins corresponding to channel bodies in the circuit board are placed in the region for containing the circuit board. When the diameter of the locating holes in the circuit board is less than or equal to 5mm, the positions of the locating pins correspond to the centers of the locating holes, and the diameter of the locating pins is equal to the lower tolerance limit of the diameter of the locating holes. When the diameter of the locating holes in the circuit board is larger than 5mm, the locating pins are in tangent to edges of the locating holes. By means of the jig, unqualified boards can be detected quickly, simply and effectively, and the risk that unqualified products leak to a client side is completely avoided.
Description
Technical field
The utility model relates to a kind of measurement jig, and especially a kind of tool dragging for that leaks for inspecting printed circuit board moulding, belongs to printed circuit board (PCB) field of machining.
Background technology
Along with consumption electronic product is lightening, integrated, the development trend of multifunction, its manufacture craft to printed circuit board (PCB) requires more and more higher, dimensional requirement to printed circuit board (PCB) is also more and more stricter, and the printed circuit board (PCB) of batch production, at CNC(Computer numerical control, numerically-controlled machine) in process, be prone to moulding and leak the problem of dragging for, this problem traditional method of inspection in molding manufacture procedure is that personnel are visual, in personnel's sight check, some part plate can not be examined out in time, cause bad plate to miss client, when client has been made components and parts and has been assembled, find that just now subregion does not have moulding, can not well assemble.Now will cause client's complaint, if abbreviation that can not be to PCB(APrinted Circuit Board+Assembly refers to that PCB hollow plate is through the upper part of SMT, then pass through the whole processing procedure of DIP plug-in unit) carry out heavy industry, its consequence is exactly the reparation of great number.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of tool drag for that leaks for inspecting printed circuit board moulding is provided, and realizes fast, simply, effectively circuit board is checked, stops the risk that defective products is missed client.
The technical scheme providing according to the utility model, a kind of tool dragging for that leaks for inspecting printed circuit board moulding, comprise tool base plate, feature is: four corners at described tool base plate arrange respectively two housing pins, a limit of every housing pin and circuit board is tangent, and housing pin surrounds and forms the region of placing circuit board; In the region of described placement circuit board, arrange the tommy corresponding with pilot hole on circuit board and with circuit board on the corresponding inside groove pin of each cell body.
When the diameter≤5mm of the pilot hole of described circuit board, the position of tommy is corresponding with the center of pilot hole, and the diameter of tommy equals the lower variation of tolerance of pilot hole diameter.
When the width≤5mm of the inside groove of described circuit board, the position of inside groove pin is corresponding with the center of inside groove, and the diameter of inside groove pin equals the lower variation of tolerance of interior well width.
When the diameter of the pilot hole of described circuit board is greater than 5mm, the edge of tommy and pilot hole is tangent, and the diameter of tommy is 2.4mm.
When the width of the inside groove of described circuit board is greater than 5mm, the edge of inside groove pin and inside groove is tangent, and the diameter of inside groove pin is 2.4mm.
The outward flange of described housing pin and location-plate is tangent, and the diameter of housing pin is 2.4mm.
The utility model is compared with existing check system, can be quick, simply, effectively check out bad plate, and stop the risk that defective products is missed client, reduce client's complaint, lifting company is in the credit worthiness of client.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is positioning holes on circuit board diameter while being greater than 5mm, the set-up mode schematic diagram of tommy.
Fig. 3 is the interior well width of circuit board while being greater than 5mm, the set-up mode schematic diagram of inside groove pin.
Fig. 4 is the set-up mode schematic diagram of housing pin.
Embodiment
Below in conjunction with concrete accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 to 4: the described tool dragging for for inspecting printed circuit board moulding leakage comprises tool base plate 1, housing pin 2, tommy 3, inside groove pin 4 etc.
As shown in Figure 1, the utility model comprises tool base plate 1, in four corners of tool base plate 1, two housing pins 2 is set respectively, and every housing pin 2 is tangent with a limit of circuit board 10, and housing pin 2 surrounds and forms the region of placing circuit board 10; In the region of described placement circuit board 10, arrange the tommy 3 corresponding with pilot hole on circuit board 10 and with circuit board 10 on the corresponding inside groove pin 4 of each cell body; At circuit board 10, be placed on while testing on tool base plate 1, effect as shown in Figure 1, housing pin 2 is tangent respectively with four limits of circuit board 10, circuit board 10 is fixed in the region that housing pin 2 surrounds, tommy 3 is arranged in the pilot hole of circuit board 10, penetrates respectively corresponding inside groove pin 4 in each cell body of circuit board 10;
When the diameter≤5mm of the pilot hole of described circuit board 10, the position of tommy 3 is corresponding with the center of pilot hole, and the diameter of tommy 3 equals the lower variation of tolerance of pilot hole diameter;
When the width≤5mm of the inside groove of described circuit board 10, the position of inside groove pin 4 is corresponding with the center of inside groove, and the diameter of inside groove pin 4 equals the lower variation of tolerance of interior well width;
As shown in Figure 2, when the diameter of the pilot hole of described circuit board 10 is greater than 5mm, tommy 3 is tangent with the edge of pilot hole, and the diameter of tommy 3 is 2.4mm;
As shown in Figure 3, when the width of the inside groove of described circuit board 10 is greater than 5mm, inside groove pin 4 is tangent with the edge of inside groove, and the diameter of inside groove pin 4 is 2.4mm;
As shown in Figure 4, described housing pin 2 is tangent with the outward flange of location-plate 10, and the diameter of housing pin 2 is 2.4mm.
The described tool dragging for that leaks for inspecting printed circuit board moulding, employing following methods is made: (1) tool base plate processing: the bakelite plate of selecting 8mm thickness, be fixed on forming machine work top, according to the position of the physical dimension of circuit board 10, position of positioning hole and size, inside groove and size, choose corresponding drill point and milling cutter, on bakelite plate, hole, pull out profile; (2) plant into pin: choose with step (1) in the round end pin of the same diameter of holing, in the pin boring of knocking in bakelite plate one by one.During tool dimension inspection: a folded circuit board of forming is inserted on tool and is checked, bad like this plate just can check out.
Embodiment mono-: certain 10 layer printed circuit board is tested, and printed circuit board (PCB) groove width is 3.0mm, and tolerance is ± 0.1mm that its processing step is as follows:
(1) according to circuit board original copy drawing, the position of the pilot hole of corresponding circuits plate, inside groove housing pin corresponding to housing Position Design, tommy and inside groove pin: at the place, center of interior well width, the inside groove pin position of 2.90mm diameter is set, and external form is used 2.4mm milling cutter;
(2) tool processing: the bakelite plate of selecting 8mm thickness, be fixed on forming machine work top, according to the position of the physical dimension of circuit board 10, position of positioning hole and size, inside groove and size, choose the drill bit of 2.9mm diameter and the milling cutter of 2.4mm diameter, at the bakelite plate of 8mm thickness, hole;
(3) plant into pin: choose the round end pin of diameter 2.9mm, knock in the boring of bakelite plate of 8mm thickness;
(4) tool dimension inspection a: lamination of choosing forming is inserted in tool inspection, bad like this plate just can check out.
Embodiment bis-: certain 6 layer printed circuit board is tested, and printed circuit board (PCB) groove width is 2.0mm, and tolerance is ± 0.1mm that its processing step is as follows:
(1) according to circuit board original copy drawing, the position of the pilot hole of corresponding circuits plate, inside groove housing pin corresponding to housing Position Design, tommy and inside groove pin: at the place, center of interior well width, the inside groove pin position of 1.90mm diameter is set, and external form is used 2.0mm milling cutter;
(2) tool processing: the bakelite plate of selecting 8mm thickness, be fixed on forming machine work top, according to the position of the physical dimension of circuit board 10, position of positioning hole and size, inside groove and size, choose the drill bit of 1.9mm diameter and the milling cutter of 2.0mm diameter, at the bakelite plate of 8mm thickness, hole;
(3) plant into pin: choose the round end pin of diameter 1.9mm, knock in the boring of bakelite plate of 8mm thickness;
(4) tool dimension inspection a: lamination of choosing forming is inserted in tool inspection, bad like this plate just can check out.
Embodiment tri-: certain 8 layer printed circuit board is tested, and printed circuit board (PCB) groove width is 2.2mm, and tolerance is ± 0.1mm that its processing step is as follows:
(1) according to circuit board original copy drawing, the position of the pilot hole of corresponding circuits plate, inside groove housing pin corresponding to housing Position Design, tommy and inside groove pin: at the place, center of interior well width, the inside groove pin position of 2.10mm diameter is set, and external form is used 2.5mm milling cutter;
(2) tool processing: the bakelite plate of selecting 8mm thickness, be fixed on forming machine work top, according to the position of the physical dimension of circuit board 10, position of positioning hole and size, inside groove and size, choose the drill bit of 2.0mm diameter and the milling cutter of 2.4mm diameter, at the bakelite plate of 8mm thickness, hole;
(3) plant into pin: choose the round end pin of diameter 2.1mm, knock in the boring of bakelite plate of 8mm thickness;
(4) tool dimension inspection a: lamination of choosing forming is inserted in tool inspection, bad like this plate just can check out.
Claims (6)
1. one kind leaks the tool dragging for for inspecting printed circuit board moulding, comprise tool base plate (1), it is characterized in that: four corners at described tool base plate (1) arrange respectively two housing pins (2), every housing pin (2) is tangent with a limit of circuit board (10), and housing pin (2) surrounds and forms the region of placing circuit board (10); The tommy (3) corresponding with the upper pilot hole of circuit board (10) and the inside groove pin (4) corresponding with upper each cell body of circuit board (10) are set in the region of described placement circuit board (10).
2. the tool drag for that leaks for inspecting printed circuit board moulding as claimed in claim 1, it is characterized in that: when the diameter≤5mm of the pilot hole of described circuit board (10), the position of tommy (3) is corresponding with the center of pilot hole, and the diameter of tommy (3) equals the lower variation of tolerance of pilot hole diameter.
3. the tool drag for that leaks for inspecting printed circuit board moulding as claimed in claim 1, it is characterized in that: when the width≤5mm of the inside groove of described circuit board (10), the position of inside groove pin (4) is corresponding with the center of inside groove, and the diameter of inside groove pin (4) equals the lower variation of tolerance of interior well width.
4. the tool drag for that leaks for inspecting printed circuit board moulding as claimed in claim 1, it is characterized in that: when the diameter of the pilot hole of described circuit board (10) is greater than 5mm, tommy (3) is tangent with the edge of pilot hole, and the diameter of tommy (3) is 2.4mm.
5. the tool drag for that leaks for inspecting printed circuit board moulding as claimed in claim 1, it is characterized in that: when the width of the inside groove of described circuit board (10) is greater than 5mm, inside groove pin (4) is tangent with the edge of inside groove, and the diameter of inside groove pin (4) is 2.4mm.
6. the tool dragging for that leaks for inspecting printed circuit board moulding as claimed in claim 1, is characterized in that: described housing pin (2) is tangent with the outward flange of location-plate (10), and the diameter of housing pin (2) is 2.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613324.3U CN203518882U (en) | 2013-09-30 | 2013-09-30 | Jig for testing printed circuit board forming fishing missing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613324.3U CN203518882U (en) | 2013-09-30 | 2013-09-30 | Jig for testing printed circuit board forming fishing missing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518882U true CN203518882U (en) | 2014-04-02 |
Family
ID=50377802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320613324.3U Expired - Lifetime CN203518882U (en) | 2013-09-30 | 2013-09-30 | Jig for testing printed circuit board forming fishing missing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486927A (en) * | 2013-09-30 | 2014-01-01 | 高德（江苏）电子科技有限公司 | Jig for testing printed circuit board forming fishing missing |
-
2013
- 2013-09-30 CN CN201320613324.3U patent/CN203518882U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486927A (en) * | 2013-09-30 | 2014-01-01 | 高德（江苏）电子科技有限公司 | Jig for testing printed circuit board forming fishing missing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.32 Chunhui East Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province Patentee after: Gaode (Jiangsu) Electronic Technology Co.,Ltd. Address before: No.32 Chunhui East Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province Patentee before: GULTECH (JIANGSU) ELECTRONIC TECHNOLOGIES CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
|
| CX01 | Expiry of patent term |