CN210005448U - integrated system applied to circuit board defect detection - Google Patents
integrated system applied to circuit board defect detection Download PDFInfo
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- CN210005448U CN210005448U CN201822157798.7U CN201822157798U CN210005448U CN 210005448 U CN210005448 U CN 210005448U CN 201822157798 U CN201822157798 U CN 201822157798U CN 210005448 U CN210005448 U CN 210005448U
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- circuit board
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- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 230000007547 defect Effects 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 113
- 230000005484 gravity Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to an integrated system for circuit board defect detection, including the supporting mechanism, image acquisition mechanism, lighting mechanism and conveying mechanism, the supporting mechanism includes the frame, be equipped with in the frame and detect the chamber, it is equipped with image acquisition mechanism to detect the intracavity, lighting mechanism and conveying mechanism, conveying mechanism locates and detects the chamber middle part, conveying mechanism top and below are equipped with image acquisition mechanism respectively, image acquisition mechanism both sides are equipped with lighting mechanism respectively, image acquisition mechanism includes camera group and lower camera, conveying mechanism both ends top is equipped with camera group respectively, conveying mechanism middle part below is equipped with down the camera, lighting mechanism includes light source group and lower light source, it is equipped with light source group respectively to go up camera group both sides, conveying mechanism below is equipped with down the light source.
Description
Technical Field
The utility model relates to a circuit board check out test set field especially relates to integrated system who is applied to circuit board defect detection.
Background
The defect detection of the circuit board comprises two parts, namely welding spot defect detection and component detection, but most circuit board manufacturers in China still adopt a method of manually checking through a magnifier or a projector to carry out side detection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide integrated system that are applied to circuit board defect detection to solve the problem that proposes in the above-mentioned background art.
integrated system applied to circuit board defect detection, including the supporting mechanism, the image acquisition mechanism, lighting mechanism and conveying mechanism, the supporting mechanism includes the frame, the import has been seted up on the frame lateral wall, the export has been seted up on lateral wall in addition of the frame, import and export set up relatively, be equipped with the detection chamber in the frame, import and export communicate with the detection chamber respectively, be equipped with the image acquisition mechanism that is used for gathering the image in the detection chamber, lighting mechanism and conveying mechanism, detection chamber middle part is equipped with conveying mechanism, conveying mechanism sets up between import and export, conveying mechanism top and below are equipped with image acquisition mechanism respectively, image acquisition mechanism both sides are equipped with lighting mechanism respectively, image acquisition mechanism includes camera group and lower camera, conveying mechanism is close to the top of import end and conveying mechanism is close to the top of export end and is equipped with camera group respectively, conveying mechanism middle part below is equipped with the lower camera, lighting mechanism includes upper light source group and lower light source, upper camera group both sides are equipped with upper light source group respectively, conveying mechanism below is equipped with lower light source.
The supporting mechanism is used for supporting and installing the image acquisition mechanism, the illuminating mechanism and the conveying mechanism, the conveying mechanism is used for conveying the circuit board, the image acquisition mechanism is used for taking pictures of two sides of the circuit board to obtain images of the circuit board, the illuminating mechanism is used for providing illuminating light for the interior of the detection cavity, the end close to the inlet above the conveying mechanism and the end close to the outlet above the conveying mechanism are respectively provided with an upper camera group, visual detection is carried out on the upper end face of the circuit board through the upper camera group, the lower camera is arranged below the conveying mechanism and adopts a CCD (charge coupled device) camera, and the lower end face of the circuit board is shot through the lower camera.
Go up the camera group and include camera, second camera and camera mount pad, camera and second camera are the CCD camera, and the conveying mechanism top is equipped with the camera mount pad, and the terminal surface is provided with camera and second camera side by side under the camera mount pad.
camera and the second camera that sets up side by side, two cameras have great identification range, and a plurality of cameras are shot the image, avoid the blurred unclear omission of measuring that causes of image.
Go up the camera group and still include the pivot, detect the intracavity level and be provided with the pivot, pivot middle part fixedly connected with camera mount pad.
The upper camera mounting seat is driven to rotate by rotating the rotating shaft, so that the upper camera group is rotated, the angle between the upper camera group and the horizontal plane is changed, and the requirements of customers are met.
The upper light source group comprises an th light source, a second light source, a moving seat, a rotary disc and a light source mounting seat, the moving seat is arranged above the conveying mechanism, the rotary disc is symmetrically arranged on the lower end face of the moving seat, the rotary disc is rotatably arranged on the moving seat, the rotary disc is fixedly connected with the light source mounting seat, and the th light source and the second light source are arranged on the lower end face of the light source mounting seat in parallel.
The carousel is rotatable to be set up on removing the seat, drives the light source mount pad through rotating the carousel and rotates, and light can provide the gathering on conveying mechanism.
The upper light source group further comprises a guide rail, two ends of the guide rail are respectively provided with a sliding block, the sliding blocks are arranged on the rotating shaft in a sliding mode, and the moving seat is arranged on the guide rail in a sliding mode.
The slider slides in the pivot, and the guide rail can be followed the pivot axis direction and removed, and removal guide rail drives and removes the seat and removes along the pivot axis direction removal, removes the seat and slides and set up on the guide rail, removes the seat and can follow the removal of guide rail axis direction.
The bottom surface of the detection cavity is provided with a lower mounting seat which is cylindrical, the middle part of the upper end surface of the lower mounting seat is provided with a mounting groove for the lower camera to be arranged, the lower light source is an annular light source, and the lower camera is sleeved with a lower light source.
The lower mounting seat is used for mounting the lower camera and the lower light source, and the annular light source can provide illumination for the periphery of the lower light source.
The th light source is an ultraviolet lamp and the second light source is a cold light lamp.
The ultraviolet lamp is used for detecting the coating condition of the waterproof coating on the surface of the circuit board, and the cold light lamp is used for providing normal illumination for the upper camera group.
Conveying mechanism includes crossbeam, air cushion guide, second air cushion guide, sliding support and telescopic link, and the level is equipped with the crossbeam in the detection chamber, and air cushion guide and second air cushion guide both ends slide respectively and set up on the crossbeam, slide respectively on air cushion guide and the second air cushion guide and be provided with sliding support, are connected with the telescopic link between the sliding support, and limiting groove has been seted up to the sliding support up end.
The too big conveying mechanism that can drive of frictional force between sliding support and the air cushion guide rail rocks, and conveying mechanism moves the circuit board that can drive conveying mechanism and rocks, influences the effect of making a video recording of camera, and air cushion guide rail can reduce the frictional force between sliding support and the air cushion guide rail to avoid the frictional force between sliding support and the air cushion guide rail to influence the normal detection of going up the camera group.
The bottom wall of the detection cavity is provided with an air cylinder, a piston rod of the air cylinder is connected with a baffle plate, the baffle plate is arranged between the -th air cushion guide rail and the second air cushion guide rail, and the baffle plate is arranged along the gravity direction.
The starting cylinder makes the baffle rise, and the baffle is configured to be on sliding support's movement track when the baffle rises, blocks sliding support and makes sliding support stop, is convenient for the detection of circuit board.
The upper end face of the frame is provided with a transparent observation window.
The transparent observation window can be used for observing the upper surface of the circuit board, and the transparent observation window can also provide external illumination for the upper surface of the circuit board.
The working principle of the utility model is that adjust the interval between the sliding support, place the circuit board on sliding support and through the position of spacing recess limited circuit board, rotate the pivot, it rotates to drive th camera and second camera through the pivot, adjust the position of guide rail and removal seat, place the circuit board that will take the detection on sliding support, start cylinder makes the baffle rise, start the air cushion guide rail and make sliding support remove, the baffle is located sliding support's movement track when the baffle rises, the baffle blocks sliding support and makes sliding support stop, open the second light source, use th camera and second camera to make a video recording to the circuit board surface, open the light source, use th camera and second camera to shoot the circuit board surface once more.
The utility model has the advantages that: the detection of the defects of the circuit board is realized by the cooperation of the image acquisition mechanism, the illumination mechanism and the conveying mechanism, the angles of the camera and the light source can be adjusted, the inspection efficiency is high, and the detection accuracy is high.
Drawings
The figures illustrate the present invention at , but the embodiments in the figures do not constitute any limitation on the invention.
Fig. 1 is a schematic structural diagram of an integrated system for detecting defects of a circuit board according to an embodiment of the present invention ;
fig. 2 is a schematic partial cross-sectional view of an integrated system for detecting defects of a circuit board according to an embodiment of the present invention ;
fig. 3 is a schematic structural diagram of a turntable according to an embodiment of the present invention ;
fig. 4 is a schematic structural diagram of a light source mounting base according to an embodiment of the present invention .
The drawing is marked with a machine frame 1, a transparent observation window 11, an inlet 12, an outlet 13, a lower mounting seat 14, an image acquisition mechanism 2, an illumination mechanism 3, an -th camera 21, a second camera 22, a camera mounting seat 23, a rotating shaft 24, a lower camera 25, an air cushion guide rail 41, a sliding support 42, a cross beam 43, a moving seat 31, a turntable 32, a light source mounting seat 33, a guide rail 34, a slide block 35 and a lower light source 36.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It should be noted that, unless otherwise specified, when an element is referred to as being "fixed to" or "disposed on" another elements, it may be directly on the other elements or intervening elements may be present, and directional terms such as "upper, lower, left, right" are used to refer generally to the upper, lower, left, right as viewed in fig. 1, "inner, outer" refers to the inner and outer in the specific contour, and "distal, proximal" refers to the distal and proximal with respect to a feature.
As shown in fig. 1-4, the utility model discloses kinds of integrated systems applied to circuit board defect detection that embodiment provided, including supporting mechanism, image acquisition mechanism 2, lighting mechanism 3 and conveying mechanism, supporting mechanism includes frame 1, import 12 has been seted up on the frame 1 lateral wall, export 13 has been seted up on the lateral wall in addition of frame 1, import 12 sets up with export 13 relatively, be equipped with the detection chamber in the frame 1, import 12 and export 13 communicate with the detection chamber respectively, be equipped with image acquisition mechanism 2 in the detection chamber, lighting mechanism 3 and conveying mechanism, it is equipped with conveying mechanism to detect the chamber middle part, conveying mechanism sets up between import 12 and export 13, conveying mechanism top and below are equipped with image acquisition mechanism 2 respectively, image acquisition mechanism 2 both sides are equipped with lighting mechanism 3 respectively, image acquisition mechanism 2 includes upper light source group and lower camera 25, conveying mechanism is close to the top of import 12 end and conveying mechanism is close to the top of export 13 end and is equipped with upper camera group respectively, conveying mechanism middle part below is equipped with lower camera 25, lighting mechanism 3 includes upper light source group and lower light source group 36, the below is equipped with lower light source group respectively.
The utility model discloses in, the prior art of the structure accessible of camera, second camera and lower camera realizes, and camera, second camera and lower camera adopt the CCD camera, the utility model relates to a camera, second camera and the technical characterstic of the mounting means of camera down, the realization of its function belongs to prior art, and camera, second camera and lower camera can adopt the connected mode that technical staff in the field known to connect on relevant part according to actual installation needs, and the essence of this application scheme is the improvement to the constitution of each part and relation of connection to do not relate to the improvement of camera, second camera and lower camera itself.
The th camera, the second camera and the lower camera are connected with a computer through data lines, the computer is provided with a display screen and internally provided with a preset standard image of a circuit board, the computer receives the images collected by the th camera, the second camera and the lower camera, the computer performs splicing comparison and calculation processing on the currently received image and the preset standard image, judges whether the circuit has defects such as connection and disconnection, marks the positions with the defects and stores the images, the computer internally comprises a computer image processing program, and the computer can adopt any existing computer which is known by technical personnel in the art and is suitable for detecting the defects of the circuit board, for example, the computer can adopt a computer loaded with AOI defect detection embedded software designed by Shenzhen City and Yong precision circuit board Limited.
The supporting mechanism is used for supporting and installing the image acquisition mechanism 2, the illuminating mechanism 3 and the conveying mechanism, the conveying mechanism is used for conveying a circuit board, the image acquisition mechanism is used for taking pictures of two sides of the circuit board to obtain images of the circuit board, the illuminating mechanism 3 is used for providing illuminating light for the interior of the detection cavity, the end close to the inlet 12 above the conveying mechanism and the end close to the outlet 13 above the conveying mechanism are respectively provided with an upper camera group, visual detection is carried out on the upper end face of the circuit board through the upper camera group, the lower camera 25 is arranged below the conveying mechanism, and the lower end face of the circuit board is shot through the lower camera 25.
Go up the camera group and include camera 21, second camera 22 and camera mount pad 23, the conveying mechanism top is equipped with camera mount pad 23, camera mount pad 23 is the cube, the terminal surface is provided with a plurality of caves of camera 21 and second camera 22 looks adaptation under the camera mount pad 23, terminal surface passes through the screw and is fixed with camera 21 and second camera 22 side by side under the camera mount pad 23.
Go up the camera group and still include pivot 24, detect the intracavity level and be provided with pivot 24, pivot 24 middle part fixedly connected with camera mount pad 23, frame 1 lateral wall is run through respectively at pivot 24 both ends.
The two ends of the rotating shaft 24 are respectively provided with a light barrier, the side face, far away from the rack 1, of the light barrier is rotatably provided with a handle, the light barrier is circular, the handle is arranged at the edge of the light barrier, a limiting through hole is clamped on the light barrier, the outer wall of the rack 1 corresponds to the limiting through hole and is provided with a threaded hole, and a limiting screw penetrating through the limiting through hole is connected with the inner thread of the threaded hole.
The upper light source group comprises th light sources, second light sources, a moving seat 31, a rotary disk 32 and a light source mounting seat 33, the moving seat 31 is arranged above the conveying mechanism, the rotary disk 32 is symmetrically arranged on the lower end face of the moving seat 31, the rotary disk 32 is fixedly connected with the light source mounting seat 33, and the th light sources and the second light sources are arranged on the lower end face of the light source mounting seat 33 in parallel.
The upper light source group further comprises a guide rail 34, two ends of the guide rail 34 are respectively provided with a sliding block 35, the sliding blocks 35 are arranged on the rotating shaft 24 in a sliding mode, the moving seat 31 is arranged on the guide rail 34 in a sliding mode, the guide rail 34 is provided with a limiting hole, and the moving seat 31 is provided with a pin hole corresponding to the limiting hole.
The bottom surface of the detection cavity is provided with a lower mounting seat 14, the lower mounting seat 14 is cylindrical, the middle of the upper end surface of the lower mounting seat 14 is provided with a mounting groove for the lower camera 25 to be arranged, the lower light source 36 is an annular light source, the lower light source 36 is fixedly arranged on the upper end surface of the lower mounting seat 14, and the lower light source 36 is sleeved outside the lower camera 25.
The th light source is an ultraviolet lamp and the second light source is a cold light lamp.
The conveying mechanism comprises a cross beam 43, a -th air cushion guide rail 3441, a second air cushion guide rail 3441 and a sliding support 42, the cross beam 43 is horizontally arranged in the detection cavity, two ends of the -th air cushion guide rail 3441 and two ends of the second air cushion guide rail 3441 are respectively arranged on the cross beam 43 in a sliding manner, two sliding supports 42 are respectively arranged on the -th air cushion guide rail 3441 and the second air cushion guide rail 3441 in a sliding manner, a limiting groove used for accommodating an end angle of the circuit board is formed in the upper end face of each sliding support 42, the limiting groove and the circuit board are correspondingly arranged, and the sliding supports 42.
the input end of air spring rail 3441 and second air spring rail 3441 are connected with an inflator, and the end of air spring rail 3441 near inlet 12 is installed with an ejector for ejecting sliding support 42.
The bottom wall of the detection cavity is provided with an air cylinder, a piston rod of the air cylinder is connected with a baffle plate, the baffle plate is arranged between the air cushion guide rail 3441 and the second air cushion guide rail 3441, and the baffle plate is arranged on the motion track of the sliding support 42 along the gravity direction.
The upper end face of the frame 1 is provided with a transparent observation window 11, the side face of the frame 1 is provided with a through hole, the edge part of the through hole is hinged with a movable , the side face of the movable , which is close to the detection cavity, is provided with a magnet, the frame 1 is provided with a permanent magnet corresponding to the magnet, the bottom wall of the detection cavity is provided with a pressure sensor, and the pressure sensor is a film type pressure sensor.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1, integrated system for circuit board defect detection, its characterized in that includes supporting mechanism, image acquisition mechanism, lighting mechanism and conveying mechanism, supporting mechanism includes the frame, be equipped with in the frame and detect the chamber, it is equipped with image acquisition mechanism, lighting mechanism and conveying mechanism to detect the intracavity, conveying mechanism locates and detects the chamber middle part, conveying mechanism top and below are equipped with image acquisition mechanism respectively, image acquisition mechanism both sides are equipped with lighting mechanism respectively, image acquisition mechanism includes camera group and lower camera, conveying mechanism both ends top is equipped with camera group respectively, conveying mechanism middle part below is equipped with down the camera, lighting mechanism includes light source group and lower light source, it is equipped with light source group respectively to go up camera group both sides, the conveying mechanism below is equipped with down the light source.
2. The integrated system applied to the circuit board defect detection as recited in claim 1, wherein the upper camera group comprises an th camera, a second camera and a camera mounting seat, the camera mounting seat is arranged above the conveying mechanism, and the th camera and the second camera are arranged on the lower end surface of the camera mounting seat in parallel.
3. The integrated system applied to the defect detection of the circuit board according to claim 2, wherein: go up the camera group and still include the pivot, it is provided with the pivot to detect the intracavity level, pivot middle part fixedly connected with camera mount pad.
4. The integrated system for detecting the defects of the circuit board as claimed in claim 1, wherein the upper light source group comprises th light source, a second light source, a movable seat, a rotary table and a light source mounting seat, the movable seat is arranged above the conveying mechanism, the rotary table is symmetrically arranged on the lower end surface of the movable seat, the rotary table is fixedly connected with the light source mounting seat, and the th light source and the second light source are arranged on the lower end surface of the light source mounting seat in parallel.
5. The integrated system applied to the defect detection of the circuit board according to claim 4, wherein: the upper light source group further comprises a guide rail, sliding blocks are arranged at two ends of the guide rail respectively, the sliding blocks are arranged on the rotating shaft in a sliding mode, and the moving seat is arranged on the guide rail in a sliding mode.
6. The integrated system applied to the defect detection of the circuit board according to claim 5, wherein: the bottom surface of the detection cavity is provided with a lower mounting seat, the lower mounting seat is cylindrical, the middle of the upper end surface of the lower mounting seat is provided with a mounting groove for the lower camera to be arranged, the lower light source is an annular light source, and the lower camera is sleeved with a lower light source.
7. The integrated system for detecting the defects of the circuit board as claimed in claim 6, wherein the th light source is an ultraviolet lamp and the second light source is a cold light lamp.
8. The integrated system for detecting the defects of the circuit board as claimed in claim 7, wherein the conveying mechanism comprises a beam, a th air cushion rail, a second air cushion rail and a sliding support, the beam is horizontally arranged in the detection chamber, two ends of the th air cushion rail and two ends of the second air cushion rail are respectively slidably arranged on the beam, the sliding support is respectively slidably arranged on the th air cushion rail and the second air cushion rail, and a limit groove is formed in the upper end surface of the sliding support.
9. The integrated system applied to the circuit board defect detection of claim 7, wherein the bottom wall of the detection cavity is provided with a cylinder, a piston rod of the cylinder is connected with a baffle plate, the baffle plate is arranged between the air cushion guide rail and the second air cushion guide rail, and the baffle plate is arranged along the gravity direction.
10. The integrated system applied to the defect detection of the circuit board according to claim 1, wherein: and a transparent observation window is arranged on the upper end face of the machine frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822157798.7U CN210005448U (en) | 2018-12-21 | 2018-12-21 | integrated system applied to circuit board defect detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822157798.7U CN210005448U (en) | 2018-12-21 | 2018-12-21 | integrated system applied to circuit board defect detection |
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| Publication Number | Publication Date |
|---|---|
| CN210005448U true CN210005448U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822157798.7U Expired - Fee Related CN210005448U (en) | 2018-12-21 | 2018-12-21 | integrated system applied to circuit board defect detection |
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| Country | Link |
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| CN (1) | CN210005448U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813726A (en) * | 2018-12-21 | 2019-05-28 | 惠州市骏亚数字技术有限公司 | A kind of device for wiring board information integration |
| CN112730424A (en) * | 2020-12-11 | 2021-04-30 | 上海大学 | Aviation plug pin defect detection device and method |
| CN116539622A (en) * | 2023-05-11 | 2023-08-04 | 捷讯精密橡胶（苏州）有限公司 | Visual inspection equipment of flexible line way board |
-
2018
- 2018-12-21 CN CN201822157798.7U patent/CN210005448U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813726A (en) * | 2018-12-21 | 2019-05-28 | 惠州市骏亚数字技术有限公司 | A kind of device for wiring board information integration |
| CN112730424A (en) * | 2020-12-11 | 2021-04-30 | 上海大学 | Aviation plug pin defect detection device and method |
| CN116539622A (en) * | 2023-05-11 | 2023-08-04 | 捷讯精密橡胶（苏州）有限公司 | Visual inspection equipment of flexible line way board |
| CN116539622B (en) * | 2023-05-11 | 2023-11-07 | 捷讯精密橡胶（苏州）有限公司 | Visual inspection equipment of flexible line way board |
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