CN203587519U - Circuit board detection device based on laser scanning and machine vision - Google Patents
Circuit board detection device based on laser scanning and machine vision Download PDFInfo
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- CN203587519U CN203587519U CN201320766053.5U CN201320766053U CN203587519U CN 203587519 U CN203587519 U CN 203587519U CN 201320766053 U CN201320766053 U CN 201320766053U CN 203587519 U CN203587519 U CN 203587519U
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- circuit board
- laser scanner
- dimensional laser
- stepper motor
- frame
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Abstract
The utility model relates to a circuit board detection device based on laser scanning and machine vision. The circuit board detection device comprises a frame, wherein a lead rail is arranged at the top of the frame; a three-dimensional laser scanner is matched on the lead rail in a sliding manner; a first stepping motor is arranged on the frame; the motor drives the three-dimensional laser scanner to displace back and forth on the lead rail through a conveyer belt; two slide chutes are respectively arranged at the left inner side wall and the right inner side wall of the frame; two bumps which respectively extend into the two slide chutes and are matched with the slide chute in a sliding manner are respectively arranged at the left side and the right side of the bracket; a circuit board is arranged on the bracket; the three-dimensional laser scanner is vertical to the circuit board; a plurality of second stepping motors are arranged below the bracket; a screw is arranged on a rotor on each second stepping motor; the screw is matched with an inner treaded pipe which is vertically arranged on the bottom surface of the bracket via a thread; the three-dimensional laser scanner is connected with an image collection card; the collection card is connected with a computer; the first stepping motor and the second stepping motors are connected with a motor driver; the motor driver is connected with the computer.
Description
Technical field
The utility model relates to a kind of circuit board detection device based on laser scanning and machine vision, can adapt to the surface defects detection of all kinds circuit board, and has higher accuracy of detection.
Background technology
Existing circuit board surface defect detecting device, is installed on production line, although detection efficiency is higher, can not accurately detect for various types of circuit boards, and versatility is poor; Simultaneously, such pick-up unit is generally thrown light on to circuit board by light source and passes through CCD or cmos camera and take the photo of circuit board, due to the deviation of the irradiating angle of light source, generally can not arrive monoblock circuit board by uniform irradiation, simultaneously because light source has certain colour cast, photo and the normal circuit plate photo taken carry out when computing machine is compared having error, so its accuracy of detection has much room for improvement.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of simple in structure, reliability is higher, control the easy circuit board detection device based on laser scanning and machine vision.
In order to solve the problems of the technologies described above, the utility model provides a kind of circuit board detection device based on laser scanning and machine vision, and it comprises: comprising: frame, the support of rectangle, screw mandrel, circuit board, guide rail, three-dimensional laser scanner, the driving-belt being fixedly connected with this three-dimensional laser scanner, the first stepper motor coordinating with this driving-belt transmission, the second stepper motor, image pick-up card, motor driver, rifled tube, computing machine; Frame top is provided with guide rail, and three-dimensional laser scanner is snug fit on this guide rail, and frame is provided with the first stepper motor, and this first stepper motor drives described three-dimensional laser scanner shift reciprocately on guide rail by driving-belt; On the left and right madial wall of described frame, be respectively provided with two chutes, the arranged on left and right sides of support is respectively provided with two projections that extend into respectively in two described chutes and be slidably matched with each chute, support is provided with circuit board, and three-dimensional laser scanner and circuit board are perpendicular, the below of support is provided with multiple the second stepper motors, the rotor of each the second stepper motor is provided with screw mandrel, this screw mandrel be vertical at the rifled tube threaded engagement on described support bottom surface; Described three-dimensional laser scanner is connected with image pick-up card, and capture card is connected with computing machine; Described the first stepper motor is connected with motor driver with the second stepper motor, and this motor driver is connected with computing machine.
With respect to prior art, the technique effect the utlity model has is:
1) circuit board detection device can, according to dissimilar circuit board, be adjusted the relative position of three-dimensional laser scanner and circuit board automatically, is applicable to the detection of multiple circuit board; During the second stepper motor synchronous working, can drive screw mandrel rotation, and then drive support vertical upper and lower displacement by described rifled tube, be beneficial to described three-dimensional laser scanner focusing circuit board; The second stepper motor adopts multiple, and is uniformly distributed in described support below, can guarantee the stability of described support vertical upper and lower displacement; So have reliability higher, control easy feature;
2) three-dimensional laser scanner adopts laser as light source, no color differnece, and the photo sharpness of shooting is high and can also take the 3-d photographs of circuit board surface, has improved the accuracy of detection of circuit board surface components and parts and weld defects.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present utility model and the technical advantage than existing product thereof, by means of accompanying drawing, by the limiting examples of the described principle of application, a possible embodiment is described below.In the drawings:
Fig. 1 is the front view (FV) of the circuit board detection device based on laser scanning and machine vision of the present utility model.
Embodiment
As Fig. 1, the circuit board detection device of the present embodiment comprises: frame 1, the support 2 of rectangle, screw mandrel 3, circuit board 4, guide rail 5, three-dimensional laser scanner 6, the driving-belt 8 being fixedly connected with this three-dimensional laser scanner 6, the first stepper motor 7, the second stepper motors 9 that coordinate with these driving-belt 8 transmissions, image pick-up card 10, motor driver 11, rifled tube 12, computing machine 13.
Frame 1 top is provided with guide rail 5, and three-dimensional laser scanner 6 is snug fit on this guide rail 5, and frame 1 is provided with the first stepper motor 7, and this first stepper motor 7 drives described three-dimensional laser scanner 6 shift reciprocately on guide rail 5 by driving-belt 8; On the left and right madial wall of described frame 1, be respectively provided with two chutes, the arranged on left and right sides of support 2 is respectively provided with two projections that extend into respectively in two described chutes and be slidably matched with each chute, support 2 is provided with circuit board 4, and three-dimensional laser scanner 6 is perpendicular with circuit board 4 or support 2, the below of support 2 is provided with multiple the second stepper motors 9, the rotor of each the second stepper motor 9 is provided with screw mandrel 3, this screw mandrel 3 be vertical at rifled tube 12 threaded engagement on described support 2 bottom surfaces.During the second stepper motor 9 synchronous working, can drive screw mandrel 3 to rotate, and then drive support 2 displacement vertically by described rifled tube 12, be beneficial to described three-dimensional laser scanner 6 circuit board to be detected 4 of focusing.
Described three-dimensional laser scanner 6 is connected with image pick-up card 10, and capture card 10 is connected with computing machine 13; Described the first stepper motor 7 is connected with motor driver 11 with the second stepper motor 9, and this motor driver 11 is connected with computing machine 13.
According to default program, computing machine 13 is controlled the first stepper motor 7 by motor driver 11 and is worked, and makes driving-belt 8 drive three-dimensional laser scanner 6 to move left and right along guide rail 5; Computing machine 13 is controlled each the second stepper motor 9 synchronous workings by motor driver 11, and support 2 moves up and down; According to dissimilar circuit board, make three-dimensional laser scanner 6 aim at circuit board to be detected 4 focusing; Simultaneous computer 13 is controlled three-dimensional laser scanner 6 by image pick-up card 10 and is taken the 3-d photographs of circuit board surface, and take a picture and the photo of zero defect circuit board are contrasted, and whether the circuit board of judging on worktable 3 has surface imperfection.
Foregoing circuit board checking device can, according to dissimilar circuit board, be adjusted the relative position of three-dimensional laser scanner and circuit board automatically, is applicable to the detection of multiple circuit board; Three-dimensional laser scanner adopts laser as light source, no color differnece, and the photo sharpness of shooting is high and can also take the 3-d photographs of circuit board surface, has improved the accuracy of detection of circuit board surface components and parts and weld defects.
Claims (1)
1. the circuit board detection device based on laser scanning and machine vision, is characterized in that comprising: frame, the support of rectangle, screw mandrel, circuit board, guide rail, three-dimensional laser scanner, the driving-belt being fixedly connected with this three-dimensional laser scanner, with the first stepper motor that this driving-belt transmission coordinates, the second stepper motor, image pick-up card, motor driver, rifled tube, computing machine;
Frame top is provided with guide rail, and three-dimensional laser scanner is snug fit on this guide rail, and frame is provided with the first stepper motor, and this first stepper motor drives described three-dimensional laser scanner shift reciprocately on guide rail by driving-belt; On the left and right madial wall of described frame, be respectively provided with two chutes, the arranged on left and right sides of support is respectively provided with two projections that extend into respectively in two described chutes and be slidably matched with each chute, support is provided with circuit board, and three-dimensional laser scanner and circuit board are perpendicular, the below of support is provided with multiple the second stepper motors, the rotor of each the second stepper motor is provided with screw mandrel, this screw mandrel be vertical at the rifled tube threaded engagement on described support bottom surface;
Described three-dimensional laser scanner is connected with image pick-up card, and capture card is connected with computing machine; Described the first stepper motor is connected with motor driver with the second stepper motor, and this motor driver is connected with computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766053.5U CN203587519U (en) | 2013-11-28 | 2013-11-28 | Circuit board detection device based on laser scanning and machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766053.5U CN203587519U (en) | 2013-11-28 | 2013-11-28 | Circuit board detection device based on laser scanning and machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587519U true CN203587519U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320766053.5U Expired - Fee Related CN203587519U (en) | 2013-11-28 | 2013-11-28 | Circuit board detection device based on laser scanning and machine vision |
Country Status (1)
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| CN (1) | CN203587519U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221837A (en) * | 2014-09-01 | 2014-12-24 | 魏延恕 | Horizontal soilless culture system with step motor to drive multi-level barrels to lift |
| CN105021625A (en) * | 2015-07-08 | 2015-11-04 | 苏州奥莱维信息技术有限公司 | Surface defect detection apparatus |
| CN105203559A (en) * | 2015-10-22 | 2015-12-30 | 夏烬楚 | Multilayer graphene stain photographing detection device |
| CN106896138A (en) * | 2015-12-20 | 2017-06-27 | 南京诺威尔光电系统有限公司 | One kind scanning thermal excitation infrared imaging detecting system and method |
| CN108387578A (en) * | 2018-02-07 | 2018-08-10 | 昆山纬亚电子科技有限公司 | A kind of pcb board quality detection device |
| CN108871454A (en) * | 2018-07-24 | 2018-11-23 | 北京航天控制仪器研究所 | A kind of detection device and method for circuit board comprehensive parameters |
| CN109186456A (en) * | 2018-09-10 | 2019-01-11 | 深圳微检无忧科技有限公司 | The detection of New energy electric vehicle charging hole and positioning system based on machine vision |
| CN109857163A (en) * | 2019-03-25 | 2019-06-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of plane and straight line displacement monitoring control system |
-
2013
- 2013-11-28 CN CN201320766053.5U patent/CN203587519U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221837A (en) * | 2014-09-01 | 2014-12-24 | 魏延恕 | Horizontal soilless culture system with step motor to drive multi-level barrels to lift |
| CN105021625A (en) * | 2015-07-08 | 2015-11-04 | 苏州奥莱维信息技术有限公司 | Surface defect detection apparatus |
| CN105203559A (en) * | 2015-10-22 | 2015-12-30 | 夏烬楚 | Multilayer graphene stain photographing detection device |
| CN105203559B (en) * | 2015-10-22 | 2018-11-20 | 夏烬楚 | A kind of multi-layer graphene stain photography detection device |
| CN106896138A (en) * | 2015-12-20 | 2017-06-27 | 南京诺威尔光电系统有限公司 | One kind scanning thermal excitation infrared imaging detecting system and method |
| CN108387578A (en) * | 2018-02-07 | 2018-08-10 | 昆山纬亚电子科技有限公司 | A kind of pcb board quality detection device |
| CN108871454A (en) * | 2018-07-24 | 2018-11-23 | 北京航天控制仪器研究所 | A kind of detection device and method for circuit board comprehensive parameters |
| CN109186456A (en) * | 2018-09-10 | 2019-01-11 | 深圳微检无忧科技有限公司 | The detection of New energy electric vehicle charging hole and positioning system based on machine vision |
| CN109186456B (en) * | 2018-09-10 | 2020-08-21 | 深圳微检无忧科技有限公司 | New forms of energy electric vehicle hole of charging detects and positioning system based on machine vision |
| CN109857163A (en) * | 2019-03-25 | 2019-06-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of plane and straight line displacement monitoring control system |
| CN109857163B (en) * | 2019-03-25 | 2022-05-27 | 中国科学院长春光学精密机械与物理研究所 | Planar linear displacement monitoring control system |
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| Date | Code | Title | Description |
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| 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: 20140507 Termination date: 20141128 |
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| EXPY | Termination of patent right or utility model |