CN202048869U - Height limiting tool for detecting height of pin on back surface of PCB board - Google Patents
Height limiting tool for detecting height of pin on back surface of PCB board Download PDFInfo
- Publication number
- CN202048869U CN202048869U CN2011201101976U CN201120110197U CN202048869U CN 202048869 U CN202048869 U CN 202048869U CN 2011201101976 U CN2011201101976 U CN 2011201101976U CN 201120110197 U CN201120110197 U CN 201120110197U CN 202048869 U CN202048869 U CN 202048869U
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- CN
- China
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- pcb board
- height
- baseline rod
- tool
- back side
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- 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 - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a height limiting tool for detecting the height of a pin on the back surface of a PCB board, comprising a PCB board support composed of a base board and lugs on the two sides, the inner side of each of the lugs on the two sides of the PCB board support is provided with a supporting surface supporting the PCB board; the outer side of each of the two lugs is equipped with a guide shaft, the guide shaft is provided with a guide sliding block, a reference rod is erected between the two guide sliding blocks, each of the two ends of the reference rod is fixed with a vertical guide pillar, the upper end portion of the vertical guide pillar is fixed with a connecting block, a handle is equipped between the two connecting blocks; two moving pressing blocks are respectively arranged between the reference rod and each of the two connecting blocks, and moveable upwards and downwards along the vertical guide pillars, compression springs are respectively arranged between the connecting block and each of the two moving pressing block, the lower portion of each of the moving pressing blocks is equipped with a pressing wheel, each of the two ends of the reference rod is respectively provided with a hollow portion for the pressing wheel to pass through. The height limiting tool not only detects fast, but also helps a detector to accurately determine the superhigh pins.
Description
Technical field:
The utility model relates to the checkout equipment technical field of pcb board, refers in particular to a kind of limit for height tool that detects pcb board back side pin height.
Background technology:
The pcb board of electronic product is after the good various electronic devices and components of welding, the pin of each electronic devices and components is outstanding at the back side of pcb board, install smoothly in follow-up application for guaranteeing pcb board, avoid the pin at the pcb board back side improper the contact to be arranged, must be limited its back side pin projecting height with material installed.At present, generally require pcb board back side pin height to be no more than 2.5 ± 0.1mm.Yet because there are difference in various electronic devices and components pin length, installation site and manually-operated etc., can't guarantee all superelevation not of all pins, therefore need detect each pin height.Existing detection mainly relies on behind the artificial visually examine and further determines whether superelevation with measuring tool again, and not only low the but also accuracy rate of efficient is only for this mode.
The utility model content:
The purpose of this utility model is to overcome the above-mentioned weak point of prior art, and a kind of limit for height tool that detects pcb board back side pin height is provided, can all pins of fast detecting superelevation whether, not only speed is fast, and the accuracy rate height.
The utility model realizes that the technical scheme that its purpose adopts is: a kind of limit for height tool that detects pcb board back side pin height, this tool comprises the pcb board support that is made of base plate and both sides lug boss, and the lug boss inboard of these pcb board support both sides has the supporting surface that supports pcb board; The outside of described two lug bosses is separately installed with the axis of guide, be respectively equipped with guide runner on this axis of guide, set up a baseline rod between two guide runners, described baseline rod two ends are installed with one group of vertical guide pillar respectively, the upper end of described vertical guide pillar is installed with contiguous block respectively, between two contiguous blocks handle is installed; Two movable holddowns are arranged at respectively between described baseline rod and two contiguous blocks and also move up and down along described vertical guide pillar respectively, and be respectively equipped with compression spring between two movable holddowns and the contiguous block, the movable holddown bottom also is separately installed with pinch roller, and described baseline rod two ends offer the hollow bulb that passes for described pinch roller respectively.
Described movable holddown bottom has an extension that extends to hollow bulb on the described baseline rod, and described pinch roller is installed on described extension by bolt.
Described supporting surface is arranged on the removable support bar, and promptly described support bar is installed in the lug boss inboard.
The both sides section that described baseline rod has removable interlude and pegs graft and install with described interlude.
Distance between the both sides lug boss of described pcb board support is adjustable.
After the utility model adopts said structure, with baseline rod lower surface to two roller bottom between distance as altitude datum, roller bottom and distance between the supporting surface and detected PCB consistency of thickness, the both sides of the edge of pcb board to be measured are placed on the supporting surface of pcb board support both sides lug boss, downward oblique driving handle, pass through contiguous block, briquetting drives baseline rod and slides along the detected PCB edge under the guiding of the axis of guide, be that baseline rod slides above pcb board, if the pin superelevation is arranged, then can block baseline rod, therefore be easy to judge which pin superelevation, can fast it be handled the back and continue to detect; If no pin superelevation, then baseline rod slips over whole pcb board top smoothly, represents that this detected PCB is qualified.
Therefore not only detection speed is fast for the utility model, and can help the tester accurately to judge the pin of superelevation, so that its fast processing.In addition, the utility model designs the mounting means of the lug boss of removable support bar, removable baseline rod and adjustable distance, makes this tool can measure the pcb board of all size, and is applied widely.
Description of drawings:
Fig. 1 is an integral planar structural representation of the present utility model;
Fig. 2 is the structural representation of baseline rod in the utility model;
Fig. 3 is the structural representation of movable holddown and pinch roller in the utility model;
Fig. 4 is the structural representation of contiguous block and movable holddown in the utility model;
Fig. 5 is the partial enlarged drawing at A place among Fig. 1.
Embodiment:
Below in conjunction with specific embodiments and the drawings the utility model is further specified.
Shown in Fig. 1～5, the detection pcb board described in the utility model back side pin height whether tool of superelevation comprises the pcb board support 1 that is made of base plate 11 and both sides lug boss 12, and lug boss 12 inboards of these pcb board support 1 both sides have the supporting surface 120 that supports pcb board; The outside of described two lug bosses 12 is separately installed with the axis of guide 121, be respectively equipped with guide runner 122 on this axis of guide 121, set up a baseline rod 2 between two guide runners 122, described baseline rod 2 two ends are installed with one group of vertical guide pillar 21 respectively, the upper end of described vertical guide pillar 21 is installed with respectively between contiguous block 3, two contiguous blocks 3 handle 4 is installed; Two movable holddowns 5 are arranged at respectively between described baseline rod 2 and two contiguous blocks 3 and also move up and down along described vertical guide pillar 21 respectively, and be respectively equipped with compression spring 31 between two movable holddowns 5 and the contiguous block 3, movable holddown 5 bottoms also are separately installed with pinch roller 51, and described baseline rod 2 two ends offer the hollow bulb 22 that passes for described pinch roller 51 respectively.
Again as shown in Figure 2, described movable holddown 5 bottoms have an extension 50 that extends to hollow bulb 22 on the described baseline rod 2, and described pinch roller 51 is installed on described extension 50 by bolt 52.
Pass through said structure, after pcb board being placed on the supporting surface 120 of this tool, driving handle 4 makes it drive contiguous block 3, baseline rod 2 slides along the axis of guide 121 levels by guide runner 122, also drive simultaneously movable holddown 5 and on pinch roller 51 levels slide, after pinch roller 51 and pcb board edge contact, under the continuation of handle 4 drives, pinch roller 51 will roll on the pcb board edge, it is movable holddown 5 certain altitude that also rises, thereby the compression spring 31 between further activity compression briquetting 5 and the contiguous block 3,31 pairs of movable holddowns of compression spring 5 produce reacting force, being about to pinch roller 51 tightly overlays at the pcb board edge, the purpose that keeps pinch roller 51 tightly to be pressed in the pcb board edge is: because pcb board is when especially the edge of large scale pcb board is on placing supporting surface 120, because the influence of its deadweight or edge shape, be difficult to guarantee that pcb board integral body is straightened condition, for example both sides perk medial recess etc. so just influences accuracy of detection and detection efficiency.Therefore in testing process, need accomplish as far as possible that baseline rod 2 places of arrival all are in formation state, in the utility model, be provided with and synchronization-moving briquetting of test rod and pinch roller, suppressing action by briquetting and pinch roller, make the pcb board edge more abundant, help guaranteeing the flat attitude of whole pcb board, improve accuracy of detection and detection efficiency with contacting of supporting surface.
When baseline rod 2 slides above pcb board, if the pin superelevation is arranged, then can block baseline rod 2, therefore be easy to judge which pin superelevation, can fast it be handled the back and continue to detect; If no pin superelevation, then baseline rod 2 slips over whole pcb board top smoothly, represents that this detected PCB is qualified.
In addition, the utility model also can by following structural adjustment tool, be suitable for it according to the detected PCB of different size.
For example, the both sides section 23 that described baseline rod 2 has removable interlude 22 and pegs graft and install with described interlude 22, both sides section 23 immobilizes, and 22 of interludes have multiple length specification available; Simultaneously, handle 4 also has plurality of specifications to select; Distance between the both sides lug boss 12 of described pcb board support 1 is adjustable, can offer bolt slot on base plate 11, makes the position of both sides lug boss 12 on base plate 11 can flexible; Like this can be according to the width of detected PCB, the baseline rod 2 of determining earlier to select for use which kind of length i.e. the effective length of definite its interlude 22, regulates the position of both sides lug boss 12 on base plate 11 then, makes distance between the two can support detected PCB.
For another example, described supporting surface 120 is arranged on the removable support bar 123, and promptly described support bar 123 is installed in lug boss 12 inboards, the support bar 123 of replaceable different size, make its supporting surface 120 adjustable, thereby satisfy the detection requirement of different-thickness pcb board to the distance of roller 21 between bottom.
In sum, the utility model not only detection speed is fast, can help the tester accurately to judge the pin of superelevation, so that its fast processing.And the utility model designs the mounting meanss such as lug boss of removable baseline rod and adjustable distance, makes this tool can measure the pcb board of all size, and is applied widely.
Claims (5)
1. limit for height tool that detects pcb board back side pin height, it is characterized in that: this tool comprises the pcb board support (1) that is made of base plate (11) and both sides lug boss (12), and lug boss (12) inboard of these pcb board support (1) both sides has the supporting surface (120) that supports pcb board; The outside of described two lug bosses (12) is separately installed with the axis of guide (121), be respectively equipped with guide runner (122) on this axis of guide (121), set up a baseline rod (2) between two guide runners (122), described baseline rod (2) two ends are installed with one group of vertical guide pillar (21) respectively, the upper end of described vertical guide pillar (21) is installed with contiguous block (3) respectively, and handle (4) is installed between two contiguous blocks (3); Two movable holddowns (5) are arranged between described baseline rod (2) and two contiguous blocks (3) respectively and move up and down along described vertical guide pillar (21) respectively, and be respectively equipped with compression spring (31) between two movable holddowns (5) and the contiguous block (3), movable holddown (5) bottom also is separately installed with pinch roller (51), and described baseline rod (2) two ends offer the hollow bulb (22) that passes for described pinch roller (51) respectively.
2. a kind of limit for height tool that detects pcb board back side pin height according to claim 1, it is characterized in that: described movable holddown (5) bottom has one and extends to the extension (50) that described baseline rod (2) is gone up hollow bulb (22), and described pinch roller (51) is installed on described extension (50) by bolt (52).
3. a kind of limit for height tool that detects pcb board back side pin height according to claim 1 is characterized in that: described supporting surface (120) is arranged on the removable support bar (123), and promptly described support bar (123) is installed in lug boss (12) inboard.
4. a kind of limit for height tool that detects pcb board back side pin height according to claim 1 is characterized in that: the both sides section (23) that described baseline rod (2) has removable interlude (22) and pegs graft and install with described interlude (22).
5. a kind of limit for height tool that detects pcb board back side pin height according to claim 1 is characterized in that: the distance between the both sides lug boss (12) of described pcb board support (1) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201101976U CN202048869U (en) | 2011-04-13 | 2011-04-13 | Height limiting tool for detecting height of pin on back surface of PCB board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201101976U CN202048869U (en) | 2011-04-13 | 2011-04-13 | Height limiting tool for detecting height of pin on back surface of PCB board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202048869U true CN202048869U (en) | 2011-11-23 |
Family
ID=44989176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201101976U Expired - Fee Related CN202048869U (en) | 2011-04-13 | 2011-04-13 | Height limiting tool for detecting height of pin on back surface of PCB board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202048869U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721347A (en) * | 2012-06-20 | 2012-10-10 | 深圳麦格米特电气股份有限公司 | Tool and method for detecting length of welding foot of PCBA (printed circuit board assembly) |
| CN102878900A (en) * | 2012-10-25 | 2013-01-16 | 珠海格力电器股份有限公司 | Method and device used for detecting the height of PCBA (printed circuit board assembly) element pin |
| CN105068122A (en) * | 2015-07-23 | 2015-11-18 | 上海应用技术学院 | Automatic detection device for nails projected on wood plate |
| CN105841578A (en) * | 2016-03-24 | 2016-08-10 | 安徽中电兴发与鑫龙科技股份有限公司 | PCB pin cutting height detection apparatus and detection method |
-
2011
- 2011-04-13 CN CN2011201101976U patent/CN202048869U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721347A (en) * | 2012-06-20 | 2012-10-10 | 深圳麦格米特电气股份有限公司 | Tool and method for detecting length of welding foot of PCBA (printed circuit board assembly) |
| CN102721347B (en) * | 2012-06-20 | 2015-09-09 | 深圳麦格米特电气股份有限公司 | A kind of PCBA leg length testing tool and detection method |
| CN102878900A (en) * | 2012-10-25 | 2013-01-16 | 珠海格力电器股份有限公司 | Method and device used for detecting the height of PCBA (printed circuit board assembly) element pin |
| CN102878900B (en) * | 2012-10-25 | 2015-12-16 | 珠海格力电器股份有限公司 | A kind of method and device detecting PCBA component pin height |
| CN105068122A (en) * | 2015-07-23 | 2015-11-18 | 上海应用技术学院 | Automatic detection device for nails projected on wood plate |
| CN105068122B (en) * | 2015-07-23 | 2017-12-01 | 上海应用技术学院 | Plank projection nail automatic detection device |
| CN105841578A (en) * | 2016-03-24 | 2016-08-10 | 安徽中电兴发与鑫龙科技股份有限公司 | PCB pin cutting height detection apparatus and detection method |
| CN105841578B (en) * | 2016-03-24 | 2018-10-02 | 安徽中电兴发与鑫龙科技股份有限公司 | Pcb board cuts foot height detecting device and detection method |
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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: 20111123 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |