CN202216635U - Floating height detection device for SMT circuit board - Google Patents
Floating height detection device for SMT circuit board Download PDFInfo
- Publication number
- CN202216635U CN202216635U CN2011203047872U CN201120304787U CN202216635U CN 202216635 U CN202216635 U CN 202216635U CN 2011203047872 U CN2011203047872 U CN 2011203047872U CN 201120304787 U CN201120304787 U CN 201120304787U CN 202216635 U CN202216635 U CN 202216635U
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- smt circuit
- detection device
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- guide groove
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Abstract
The utility model discloses a floating height detection device for an SMT (Surface Mounted Technology) circuit board, which comprises a detection bench and an SMT circuit board to be detected. The floating height detection device is characterized in that a downwardly-recessed rectangular guide groove is arranged in the center of the upper surface of the detection bench; the bottom of the guide groove is a plane, and two shoulders are respectively arranged on the two sides of the guide groove; each shoulder is provided with a pillar in an upward manner, and the two pillars are equal in height and parallel to each other; a transparent flat elevation strip is fixed over the two pillars; the flat elevation strip is parallel to the bottom of the guide groove, and a hollow portion with the same height in opposite directions is formed between the flat elevation strip and the guide groove; and the vertical height of the hollow portion is arranged to be the design thickness value when the SMT circuit board to be detected is detected to be qualified. The device of the utility model helps to solve the problem of the floating height detection during the manufacturing of the SMT circuit board, and is directly made from the transparent organic or inorganic smooth plate-shaped material, thereby preventing circuit board with floating heights from passing, eyeballing other defects of circuit boards that can be passed through detection, and convenient for automatic operation of line production.
Description
Technical field
The utility model relates to SMT circuit board Precision Machining manufacturing technology field, is specifically related to the floating high automatic detection device of a kind of efficient, easy SMT circuit board, is convenient to cooperate the streamline automation mechanized operation.
Background technology
SMT (Surface Mounted Techology) is present electronics assembling most popular a kind of technology of industry and technology.Advantage is able to widespread use to the SMT circuit board because of having the packing density height, small product size is little, in light weight, reliability is high, the antivibration ability is strong, the welding point defect rate is low, high frequency characteristics is good etc.General SMT production technology comprises printing with paste, three steps of paster and Reflow Soldering.In above technological process, be easy to generate particulate residue such as solder(ing) paste, glue, scaling powder.In the conventional art,, be difficult to disposable removing though adopt cleaning machine that the particulate residue of SMT circuit board surface is removed.Particularly stick to the bigger particulate residue on the circuit board surface, be difficult to especially eradicate, thereby make circuit board produce floating high phenomenon, influence board quality, do not reach assembling quality requirement.At present; Though the quality of using SMT circuit board detecting appearance to come the testing circuit plate on the market; But test item only limits to the many tin in the printing with paste flow process, few tin, even tin, pollution; Short Item in the paster flow process, dislocation, wrong part, polarity are anti-, damaged, the few tin in pollution and the welding process, many tin, short circuit, rosin joint etc., can not detect, sort floating height.
Therefore, be necessary to provide a kind of SMT circuit board to float the high detection device, prevent that the SMT circuit board of floating high phenomenon from flowing into into market, floating high phenomenon circuit board being arranged through after detecting, sorting, the processing of doing over again.
Summary of the invention
The utility model is primarily aimed at the problems referred to above and provides a kind of not only simple in structure, efficiently accurately but also practical environmental protection, can form the floating high detection device of SMT circuit board of automatic production line simultaneously.
The utility model solves the technical scheme that its technical matters adopted:
A kind of SMT circuit board floats the high detection device, and it comprises a monitor station and SMT circuit board to be detected, it is characterized in that, the upper surface middle part of described monitor station is provided with a recessed rectangle guide groove, and the bottom surface of guide groove is the plane, and its both sides respectively are provided with a shoulder; Respectively upwards be provided with a pillar on this shoulder, two pillars etc. are high and parallel; Two pillar upper fixed have a transparent plate absolute altitude bar, and this flat board absolute altitude bar is parallel with said guide groove bottom surface, form one between the two and wait high hollow part in opposite directions, and this hollow part vertical height is set to the design thickness value of SMT circuit board detecting to be measured when qualified.
This SMT circuit board floats the high detection device, also comprises the chute that is separately positioned on the described shoulder, and said pillar is embedded in this chute and along this chute and moves forward and backward; Said chute is along the other end of SMT circuit board feedstock direction to be detected, be respectively equipped with one be used for triggering production line induction system break-make travel switch.
Described pillar, its top or bottom are provided with the screw thread that is used for regulating height; This screw thread be arranged on the screw on the absolute altitude bar or be arranged on the shoulder screw be used.
Between said pillar and travel switch, also be provided with the back-moving spring that resets after pillar is slided.
Described transparent plate absolute altitude bar is the transparent material member of the organic or inorganic of the dull and stereotyped absolute altitude strip of surfacing.The transparent component for preparing for glass material in the present embodiment.
The width of described rectangle guide groove is slightly larger than the design width of SMT circuit board to be measured, moves so that it is fastened on wherein, in the feeding process, does not wander off.
Described SMT circuit board to be detected; From bottom to top comprise the FPC base material, soldering-tin layer and the metal clips that weld together successively, wherein metal clips is copper sheet or galvanized sheet etc., reasons such as the deformation during owing to welding, pressure; After welding, cause the metal clips distortion easily; And floating height is increased, so, just be necessary it is floated high detection.
Described SMT circuit board to be measured is two-sided paster or single face paster, can be the FPC plate, also can be the PC plate.
The pick-up unit that the utility model provides is simple in structure; Its directly adopt organic or inorganic surface smoothing the tabular transparent material make an absolute altitude bar; The bottom surface of guide groove is the plane; Dull and stereotyped absolute altitude bar is parallel with said guide groove bottom surface, and formation one waits high hollow part in opposite directions between the two, and this hollow part vertical height is set to the design thickness value of SMT circuit board detecting to be measured when qualified; When the thickness of SMT circuit board to be measured is less than or equal to the setting one-tenth-value thickness 1/10, can under the absolute altitude bar, pass through smoothly, do not move and can not touch pillar; If the thickness of SMT circuit board to be measured is when setting one-tenth-value thickness 1/10; Then can not under the absolute altitude bar, pass through; Can directly promote pillar and move on, trigger the travel switch action at last, connect the power supply that the warning treatment circuit cuts off feed system simultaneously along feedstock direction; Stop to continue feeding, treat substandard product removal back, pillar are automatically reset and can proceed detection.
The utility model adopts less components and parts and structure, has promptly realized the robotization detecting operation; Its transparent absolute altitude plate that adopts does not influence the product sight line, is convenient to automatic or manual substandard product rejected.
The utility model has solved the problem of floating high detection in the SMT circuit board manufacturing process; It directly adopts the level and smooth tabular material absolute altitude plate of transparent organic or inorganic; Both can limit floating high circuit board passes through; Can estimate the other defect that can pass through the circuit board of detection again, be convenient to line production and carry out automation mechanized operation.
Below in conjunction with accompanying drawing and embodiment the utility model is further explained.
Description of drawings
Fig. 1 is the whole cross-sectional view of the utility model;
Fig. 2 is the plan structure synoptic diagram of Fig. 1.
Embodiment
Referring to Fig. 1 and Fig. 2, the SMT circuit board that present embodiment provides floats the high detection device, and it comprises a monitor station 1 SMT circuit board 3 to be detected; The upper surface middle part of monitor station 1 is provided with a recessed rectangle guide groove 2, and the bottom surface of guide groove 2 is the plane, and its both sides respectively are provided with a shoulder 11,12; It is high and parallel respectively upwards to be provided with a pillar 4, two pillars 4 grades on this shoulder 11,12; Two pillars, 4 upper fixed have a transparent plate absolute altitude bar 5; This flat board absolute altitude bar 5 is parallel with said guide groove 2 bottom surfaces; Form one between the two and wait high hollow part in opposite directions, this hollow part vertical height is set to SMT circuit board 3 to be measured and detects the design thickness value when qualified; Present embodiment is set to 3.5mm.
Described SMT circuit board floats the high detection device, and it also comprises the chute 8 that is separately positioned on the described shoulder 11,12, and said pillar 4 is embedded in this chute 8 and along this chute 8 and moves forward and backward; Said chute 8 is along the other end of SMT circuit board 3 feedstock directions to be detected, be respectively equipped with one be used for triggering production line induction system break-make travel switch 6.
Described pillar 4, its top or bottom are provided with the screw thread that is used for regulating height, this screw thread can be arranged on the screw on the absolute altitude bar 5 or be arranged on the shoulder 11,12 screw be used.
Between said pillar 4 and travel switch 6, also be provided with the back-moving spring 7 that resets after pillar 4 is slided.
Described transparent plate absolute altitude bar 5 is the transparent material member of the organic or inorganic of the dull and stereotyped strip of surfacing.
The width of described rectangle guide groove 2 is slightly larger than the design width of SMT circuit board 3 to be measured.
Described SMT circuit board 3 to be detected from bottom to top comprises the FPC base material 31, soldering-tin layer 32 and the metal clips 33 that weld together successively, and wherein metal clips 33 is copper sheet or galvanized sheet etc.
Described SMT circuit board to be measured 3 is two-sided paster or single face paster.
The pick-up unit that the utility model provides in use; Its by absolute altitude bar 5 as a calibrated altitude and a resistance shelves thing; The bottom surface of guide groove 2 is the plane; Dull and stereotyped absolute altitude bar 5 is parallel with said guide groove 2 bottom surfaces, forms one between the two and waits high hollow part in opposite directions, and this hollow part vertical height is set to the design thickness value of SMT circuit board 3 detections to be measured when qualified; SMT circuit board 3 to be measured by feeding behind the forward direction, when the thickness of SMT circuit board 3 to be measured is less than or equal to the setting one-tenth-value thickness 1/10, can be passed through for 5 times from the absolute altitude bar smoothly, do not move and can not touch pillar 4; If the thickness of SMT circuit board 3 to be measured is when setting one-tenth-value thickness 1/10; Then can not pass through for 4 times from the absolute altitude bar; Can directly promote pillar 4 and move on, trigger travel switch 6 actions at last, connect the power supply that the warning treatment circuit cuts off feed system simultaneously along feedstock direction; Stop to continue feeding, treat substandard product removal back, pillar 4 are automatically reset and can proceed detection.
Of the utility model the foregoing description, adopt the resulting SMT circuit board of other schemes same or analogous to float the high detection device, all in the utility model protection domain with it.
Claims (9)
1. the floating high detection device of a SMT circuit board, it comprises a monitor station and SMT circuit board to be detected, it is characterized in that, and the upper surface middle part of described monitor station is provided with a recessed rectangle guide groove, and the bottom surface of guide groove is the plane, and its both sides respectively are provided with a shoulder; Respectively upwards be provided with a pillar on this shoulder, two pillars etc. are high and parallel; Two pillar upper fixed have a transparent plate absolute altitude bar, and this flat board absolute altitude bar is parallel with said guide groove bottom surface, form one between the two and wait high hollow part in opposite directions, and this hollow part vertical height is set to the design thickness value of SMT circuit board detecting to be measured when qualified.
2. SMT circuit board according to claim 1 floats the high detection device, it is characterized in that it also comprises the chute that is separately positioned on the described shoulder, and said pillar is embedded in this chute and along this chute and moves forward and backward.
3. SMT circuit board according to claim 2 floats the high detection device, it is characterized in that, said chute is along the other end of SMT circuit board feedstock direction to be detected, be respectively equipped with one be used for triggering production line induction system break-make travel switch.
4. SMT circuit board according to claim 1 floats the high detection device, it is characterized in that, and described pillar, its top or bottom are provided with the screw thread that is used for regulating height.
5. SMT circuit board according to claim 4 floats the high detection device, it is characterized in that, between said pillar and travel switch, also is provided with the back-moving spring that resets after pillar is slided.
6. SMT circuit board according to claim 1 floats the high detection device, it is characterized in that, described transparent plate absolute altitude bar is the transparent material member of the organic or inorganic of the dull and stereotyped absolute altitude strip of surfacing.
7. SMT circuit board according to claim 1 floats the high detection device, it is characterized in that the width of described rectangle guide groove is slightly larger than the design width of SMT circuit board to be measured.
8. SMT circuit board according to claim 1 floats the high detection device, it is characterized in that, described SMT circuit board to be detected from bottom to top comprises the FPC base material, soldering-tin layer and the metal clips that weld together successively.
9. SMT circuit board according to claim 1 floats the high detection device, it is characterized in that, described SMT circuit board to be measured is two-sided paster or single face paster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203047872U CN202216635U (en) | 2011-08-19 | 2011-08-19 | Floating height detection device for SMT circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203047872U CN202216635U (en) | 2011-08-19 | 2011-08-19 | Floating height detection device for SMT circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN202216635U true CN202216635U (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203047872U Expired - Fee Related CN202216635U (en) | 2011-08-19 | 2011-08-19 | Floating height detection device for SMT circuit board |
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|---|---|
| CN (1) | CN202216635U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853753A (en) * | 2012-09-05 | 2013-01-02 | 和瑞电子(中山)有限公司 | Device and method for testing coplane of electrode of SMT paste chip element |
| CN103047921A (en) * | 2012-12-19 | 2013-04-17 | 昆山迈致治具科技有限公司 | PCB (Printed Circuit Board) thickness testing fixture |
| CN104275309A (en) * | 2014-07-10 | 2015-01-14 | 浙江瑞泰耐火材料科技有限公司 | Brick checking platform for silicon-mullite brick |
| 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 |
| CN106989654A (en) * | 2017-05-31 | 2017-07-28 | 江苏兆能电子有限公司 | A kind of adjustable height limiting tool |
| CN107436122A (en) * | 2017-09-14 | 2017-12-05 | 中日龙电器制品(杭州)有限公司 | Waterproof gasket cement height detecting device and detection method |
| CN108318070A (en) * | 2017-01-14 | 2018-07-24 | 珠海市枫杨科技有限公司 | A kind of circuit board detecting working plate |
| CN110455158A (en) * | 2019-09-18 | 2019-11-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of printed circuit board pick-and-place components solder joint height detecting tool |
-
2011
- 2011-08-19 CN CN2011203047872U patent/CN202216635U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853753A (en) * | 2012-09-05 | 2013-01-02 | 和瑞电子(中山)有限公司 | Device and method for testing coplane of electrode of SMT paste chip element |
| CN102853753B (en) * | 2012-09-05 | 2014-10-08 | 和瑞电子(中山)有限公司 | Device and method for testing coplane of electrode of SMT paste chip element |
| CN103047921A (en) * | 2012-12-19 | 2013-04-17 | 昆山迈致治具科技有限公司 | PCB (Printed Circuit Board) thickness testing fixture |
| CN104275309A (en) * | 2014-07-10 | 2015-01-14 | 浙江瑞泰耐火材料科技有限公司 | Brick checking platform for silicon-mullite brick |
| 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 |
| CN108318070A (en) * | 2017-01-14 | 2018-07-24 | 珠海市枫杨科技有限公司 | A kind of circuit board detecting working plate |
| CN106989654A (en) * | 2017-05-31 | 2017-07-28 | 江苏兆能电子有限公司 | A kind of adjustable height limiting tool |
| CN107436122A (en) * | 2017-09-14 | 2017-12-05 | 中日龙电器制品(杭州)有限公司 | Waterproof gasket cement height detecting device and detection method |
| CN110455158A (en) * | 2019-09-18 | 2019-11-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of printed circuit board pick-and-place components solder joint height detecting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20130819 |