CN113358667A - Automatic optical detection system suitable for artificial intelligence detects PCB - Google Patents
Automatic optical detection system suitable for artificial intelligence detects PCB Download PDFInfo
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- CN113358667A CN113358667A CN202110746598.9A CN202110746598A CN113358667A CN 113358667 A CN113358667 A CN 113358667A CN 202110746598 A CN202110746598 A CN 202110746598A CN 113358667 A CN113358667 A CN 113358667A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention belongs to the technical field of automatic optical detection, and discloses an automatic optical detection system suitable for artificially and intelligently detecting a PCB (printed Circuit Board), which comprises a conveying mechanism, wherein the conveying mechanism comprises a conveying platform and a PCB bracket, the PCB bracket is arranged on the conveying platform, and the conveying platform is used for conveying the PCB on the PCB bracket to move; the positioning mechanism comprises fixing frames symmetrically connected to two ends of the PCB board bracket, a screw rod, threaded sleeves symmetrically sleeved at two ends of the screw rod, a movable block, a clamping plate and a driving motor.
Description
Technical Field
The invention belongs to the technical field of automatic optical detection, and particularly relates to an automatic optical detection system suitable for artificially and intelligently detecting a PCB.
Background
Automatic optical inspection is a common representative method in industrial manufacturing processes, the surface state of a finished product is obtained by an optical mode, defects such as foreign matters or abnormal patterns are detected by image processing, the method is equipment for detecting common defects encountered in welding production based on an optical principle, AOI is a novel testing technology which is developed in recent years, however, the AOI testing equipment is developed rapidly, at present, a plurality of manufacturers provide AOI testing equipment, when the automatic inspection is carried out, a machine automatically scans a PCB (printed Circuit Board) through a camera, acquires images, tested welding points are compared with qualified parameters in a database, the defects on the PCB are detected through image processing, and the defects are displayed or marked through a display or an automatic mark for repair personnel to repair.
The PCB board is usually placed on the bracket by the existing detection device, and the PCB board is conveyed through the conveying platform, so that the camera shoots and collects images, but the PCB board easily shakes in the conveying process, so that the camera is not clear in shooting, the detection result is influenced, if four corners of the PCB board are fixed by the clamp, repeated assembly is required, time is greatly wasted, electronic elements at the corners are easily damaged, and the safety is influenced.
Disclosure of Invention
The invention aims to provide an automatic optical detection system suitable for artificially and intelligently detecting a PCB (printed circuit board), so as to solve the problems that the PCB provided in the background art is easy to shake and vibrate and is very inconvenient to fix.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic optical detection system suitable for artificially and intelligently detecting PCBs comprises a conveying mechanism, wherein the conveying mechanism comprises a transmission platform and a PCB bracket, the PCB bracket is arranged on the transmission platform, and the transmission platform is used for conveying the PCBs on the PCB bracket to move; the detection mechanism comprises a fixed frame, a CCD camera and a control box, wherein the CCD camera and the control box are arranged on the fixed frame, and the fixed frame and the control box are both fixed on the transmission platform; positioning mechanism, positioning mechanism includes that symmetrical connection locates swivel nut, movable rod, movable block, splint and the driving motor at screw rod both ends in the fixed frame, screw rod, the symmetrical cover at PCB board bracket both ends, wherein the screw rod rotates to be installed in fixed frame, and the screw rod is connected with the driving motor drive, the movable rod articulates between movable block and swivel nut, splint are installed on the movable block.
Preferably, a pressure relief assembly; the pressure reducing assembly comprises a cavity groove, a connecting column, a sponge strip and a spring, wherein the cavity groove, the connecting column, the sponge strip and the spring are arranged on the clamping plate, the spring is installed in the cavity groove, one end of the connecting column is connected with the connecting column, and the other end of the connecting column is connected with the sponge strip.
Preferably, a guide assembly is included; the guide assembly comprises a guide block, a guide groove, a limiting block and a limiting groove, wherein the guide block and the guide groove are fixed on the screw sleeve, the limiting block and the limiting groove are fixed on the clamping plate, the guide groove is arranged in the fixing frame and is matched with the guide block, the limiting groove is arranged on the PCB bracket, and the limiting groove is matched with the limiting block.
Preferably, a connecting assembly is included; the connecting assembly comprises a clamping block and a clamping groove, wherein the clamping block is arranged on the clamping plate, the clamping groove is formed in the movable block, and the clamping groove is matched with the clamping block.
Preferably, a rubber pad is installed on the inner wall of the clamping groove, and an anti-skid convex pattern is arranged on the outer wall of the rubber pad.
Preferably, the screw rod comprises a first threaded rod and a second threaded rod, and the first threaded rod and the second threaded rod are distributed in a mirror image mode.
Preferably, the outer wall of the driving motor is provided with a protective cover, and the outer wall of the protective cover is provided with heat dissipation holes.
Preferably, the bottom of transmission platform installs the supporting pad, and the bottom of supporting pad is provided with the arch.
Preferably, the inner wall of the guide groove is provided with a backing plate, and the outer wall of the backing plate is provided with an anti-skid groove.
Preferably, the fixing frame is connected with the transmission platform through bolts, and a handle is installed on one side of the fixing frame.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, through the matching of the structures such as the screw rod, the threaded sleeve, the movable rod, the movable block and the clamping plate, the clamping plate can move on the PCB bracket and lock the workpiece, so that the workpiece can be prevented from shaking and vibrating, the shooting definition is greatly improved, the locking state can be quickly released after detection, the operation is simple, the operation is quick and efficient, the workpiece is not easy to damage, and the safety factor is high.
(2) According to the invention, the sponge strip is additionally arranged, the side edge of the workpiece can be protected when the workpiece is clamped, and meanwhile, through the matching of the connecting column and the spring, the hard extrusion during clamping can be further reduced, so that the protection effect is effectively achieved, the bending damage of a PCB (printed circuit board) caused by excessive extrusion is avoided, and the use effect of the device is greatly improved.
(3) The invention can limit and guide the screw sleeve by additionally arranging the guide groove and the guide block, thereby preventing the screw sleeve from sliding and rotating, greatly improving the stability of the structure, simultaneously preventing the clamp plate from deflecting by additionally arranging the limit groove and the limit block, and greatly ensuring the stability when clamping a workpiece.
(4) According to the clamping device, the clamping block and the clamping groove are additionally arranged, so that the movable block and the clamping plate can be quickly fixed and separated, the clamping plate is convenient to disassemble and assemble, maintenance and replacement are convenient, the use is flexible and convenient, and the practicability of the clamping device is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a top view of the PCB carrier of the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is an enlarged view of portion C of FIG. 4;
in the figure: 1. a transport platform; 2. a fixed mount; 31. a CCD camera; 32. a control box; 4. a PCB board bracket; 51. a fixing frame; 52. a screw; 53. a threaded sleeve; 54. a movable rod; 55. a movable block; 56. a splint; 57. a drive motor; 61. connecting columns; 62. a sponge strip; 63. a cavity groove; 64. a spring; 71. a guide block; 72. a guide groove; 73. a limiting block; 74. a limiting groove; 81. a clamping block; 82. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: an automatic optical detection system suitable for artificial intelligence detection of a PCB comprises a conveying mechanism, wherein the conveying mechanism comprises a transmission platform 1 and a PCB bracket 4, the PCB bracket 4 is installed on the transmission platform 1, and the transmission platform 1 is used for conveying the PCB on the PCB bracket 4 to move; the detection mechanism comprises a fixed frame 2, a CCD camera 31 and a control box 32 which are arranged on the fixed frame 2, and the fixed frame 2 and the control box 32 are both fixed on the transmission platform 1; the positioning mechanism comprises a fixed frame 51 symmetrically connected to two ends of a PCB bracket 4, a screw rod 52, threaded sleeves 53 symmetrically sleeved at two ends of the screw rod 52, a movable rod 54, a movable block 55, clamping plates 56 and a driving motor 57, wherein the screw rod 52 is rotatably installed in the fixed frame 51, the screw rod 52 is in driving connection with the driving motor 57, the movable rod 54 is hinged between the movable block 55 and the threaded sleeves 53, the clamping plates 56 are installed on the movable block 55, when the positioning mechanism is used, a worker can place a workpiece on the PCB bracket 4, then the driving motor 57 works to drive the screw rod 52 to rotate, then the screw rod 52 drives the two threaded sleeves 53 to move, the threaded sleeves 53 drive the movable rod 54 to move, then the movable rod 54 drives the movable block 55 to move, the movable block 55 drives the clamping plates 56 to move on the PCB bracket 4, then the two clamping plates 56 approach each other and lock the workpiece, thereby preventing the workpiece from shaking, the shooting definition is greatly improved, the operation is simple, the operation is fast and efficient, the workpiece is not easily damaged, and the safety factor is greatly improved.
Further, a pressure relief assembly is included; decompression subassembly is including offering the chamber groove 63 on splint 56, spliced pole 61, sponge strip 62 and spring 64, wherein spring 64 installs in chamber groove 63, the one end and the spliced pole 61 of spliced pole 61 are connected, and the other end and the sponge strip 62 of spliced pole 61 are connected, through add sponge strip 62 on splint 56, can protect its side when the centre gripping work piece, simultaneously under spliced pole 61 and spring 64's cushioning effect, the rigid extrusion when can further reducing the centre gripping, the effectual protection effect that has played, thereby avoided excessive extrusion to cause the PCB board to take place crooked damage, the result of use of device is greatly improved.
Further, a guide component is included; the guide assembly comprises a guide block 71 fixed on the threaded sleeve 53, a guide groove 72, a limit block 73 and a limit groove 74 fixed on the clamping plate 56, wherein the guide groove 72 is arranged in the fixed frame 51, the guide groove 72 is matched with the guide block 71, the limit groove 74 is arranged on the PCB bracket 4, the limit groove 74 is matched with the limit block 73, through additionally arranging the guide groove 72 and the guide block 71, the threaded sleeve 53 can be limited and guided, thereby preventing the threaded sleeve 53 from sliding and rotating, greatly improving the stability of the structure, and meanwhile, through additionally arranging the limit groove 74 and the limit block 73, the clamping plate 56 can be prevented from deflecting, and the stability in workpiece clamping is ensured.
Specifically, a connection assembly is included; the connecting assembly comprises a clamping block 81 and a clamping groove 82, wherein the clamping block 81 is installed on the clamping plate 56, the clamping groove 82 is formed in the movable block 55, the clamping groove 82 is matched with the clamping block 81, the clamping block 81 is matched with the clamping groove 82 in a mutually inserted mode, the movable block 55 can be quickly fixed and separated from the clamping plate 56, the clamping plate 56 can be conveniently disassembled and assembled, maintenance and replacement are convenient, use is flexible and convenient, and the practicability of the device is greatly improved.
Specifically, the inner wall of the clamping groove 82 is provided with a rubber pad, the rubber pad has a reinforcing effect, and the outer wall of the rubber pad is provided with anti-skid convex grains.
Specifically, the threaded rod 52 includes a first threaded rod and a second threaded rod, and the first threaded rod and the second threaded rod are arranged in mirror image.
Specifically, a protective cover is mounted on the outer wall of the driving motor 57, the protective cover has an effect of protecting the driving motor 57, and heat dissipation holes are formed in the outer wall of the protective cover.
Specifically, the supporting pad is installed to the bottom of transmission platform 1, and the supporting pad has the reinforced effect of support, and the bottom of supporting pad is provided with the arch.
Specifically, the inner wall of the guide groove 72 is provided with a backing plate, the backing plate has an anti-slip function, and the outer wall of the backing plate is provided with an anti-slip groove.
Specifically, the fixing frame 2 is connected with the transmission platform 1 through bolts, and a handle is installed on one side of the fixing frame 2.
The working principle and the using process of the invention are as follows: when the invention is used, a workpiece can be firstly placed on the PCB bracket 4, then the screw rod 52 is driven to rotate by the work of the driving motor 57, then the screw rod 52 drives the two threaded sleeves 53 to move, the threaded sleeves 53 drive the movable rod 54 to move, then the movable rod 54 drives the movable block 55 to move, the movable block 55 pushes the clamping plate 56 to move on the PCB bracket 4, then the two clamping plates 56 are close to each other, the side edge of the workpiece can be protected by the sponge strip 62 on the clamping plate 56, simultaneously, under the buffer action of the connecting column 61 and the spring 64, the hard extrusion during clamping can be further reduced, the protection effect is effectively played, thereby the bending damage of the PCB caused by excessive extrusion is avoided, the workpiece is finally locked, the workpiece is prevented from shaking and vibrating, the shooting definition is greatly improved, the operation is simple, the operation is fast and efficient, the workpiece is not easy to damage, and the safety factor is greatly improved, in addition, through the mutual grafting cooperation of fixture block 81 and draw-in groove 82, can realize the quick fixed and separation of movable block 55 and splint 56, and then the dismouting splint 56 of being convenient for, convenient maintenance is changed, it is nimble convenient to use, through addding guide way 72 and guide block 71, can carry out spacing guide to swivel nut 53, thereby prevented swivel nut 53 from taking place smooth silk and rotating, the stability of structure has been improved greatly, and through addding spacing groove 74 and stopper 73, can prevent that splint 56 from taking place the incline, stability when having guaranteed the centre gripping work piece.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An automatic optical inspection system suitable for artificial intelligence inspection of a PCB, comprising:
the conveying mechanism comprises a conveying platform (1) and a PCB bracket (4), the PCB bracket (4) is installed on the conveying platform (1), and the conveying platform (1) is used for conveying the PCB on the PCB bracket (4) to move;
the detection mechanism comprises a fixed frame (2), a CCD camera (31) and a control box (32) which are arranged on the fixed frame (2), and the fixed frame (2) and the control box (32) are both fixed on the transmission platform (1);
positioning mechanism, positioning mechanism includes that symmetrical connection locates swivel nut (53), movable rod (54), movable block (55), splint (56) and driving motor (57) at screw rod (52) both ends at fixed frame (51), screw rod (52), symmetrical cover, wherein screw rod (52) rotate to be installed in fixed frame (51), and screw rod (52) and driving motor (57) drive connection, movable rod (54) articulate between movable block (55) and swivel nut (53), splint (56) are installed on movable block (55).
2. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 1, wherein: comprises a pressure reducing assembly;
the decompression assembly comprises a cavity groove (63) formed in the clamping plate (56), a connecting column (61), a sponge strip (62) and a spring (64), wherein the spring (64) is installed in the cavity groove (63), one end of the connecting column (61) is connected with the connecting column (61), and the other end of the connecting column (61) is connected with the sponge strip (62).
3. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 1, wherein: comprises a guide component;
the guide assembly comprises a guide block (71), a guide groove (72), a limit block (73) and a limit groove (74), wherein the guide block (71) and the guide groove (72) are fixed on the thread sleeve (53), the limit block (73) and the limit groove (74) are fixed on the clamping plate (56), the guide groove (72) is arranged in the fixing frame (51), the guide groove (72) is matched with the guide block (71), the limit groove (74) is arranged on the PCB bracket (4), and the limit groove (74) is matched with the limit block (73).
4. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 1, wherein: comprises a connecting component;
the connecting assembly comprises a clamping block (81) and a clamping groove (82), wherein the clamping block (81) is installed on the clamping plate (56), the clamping groove (82) is formed in the movable block (55), and the clamping groove (82) is matched with the clamping block (81).
5. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 4, wherein: the rubber pad is installed to the inner wall of draw-in groove (82), and the outer wall of rubber pad is provided with anti-skidding burr.
6. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 1, wherein: the screw rod (52) comprises a first threaded rod and a second threaded rod, and the first threaded rod and the second threaded rod are distributed in a mirror image mode.
7. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 1, wherein: the outer wall of the driving motor (57) is provided with a protective cover, and the outer wall of the protective cover is provided with heat dissipation holes.
8. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 1, wherein: the bottom of transmission platform (1) is installed the supporting pad, and the bottom of supporting pad is provided with the arch.
9. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 3, wherein: the inner wall of the guide groove (72) is provided with a backing plate, and the outer wall of the backing plate is provided with an anti-slip groove.
10. An automated optical inspection system suitable for artificial intelligence inspection of PCBs, according to claim 1, wherein: the fixing frame (2) is connected with the transmission platform (1) through bolts, and a handle is installed on one side of the fixing frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746598.9A CN113358667A (en) | 2021-07-01 | 2021-07-01 | Automatic optical detection system suitable for artificial intelligence detects PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746598.9A CN113358667A (en) | 2021-07-01 | 2021-07-01 | Automatic optical detection system suitable for artificial intelligence detects PCB |
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| Publication Number | Publication Date |
|---|---|
| CN113358667A true CN113358667A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110746598.9A Pending CN113358667A (en) | 2021-07-01 | 2021-07-01 | Automatic optical detection system suitable for artificial intelligence detects PCB |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686860A (en) * | 2021-09-11 | 2021-11-23 | 广东科视光学技术股份有限公司 | Full-automatic optical detection equipment |
| CN114152632A (en) * | 2021-11-16 | 2022-03-08 | 江苏盟星智能科技有限公司 | PCB outward appearance automatic checkout device |
-
2021
- 2021-07-01 CN CN202110746598.9A patent/CN113358667A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686860A (en) * | 2021-09-11 | 2021-11-23 | 广东科视光学技术股份有限公司 | Full-automatic optical detection equipment |
| CN114152632A (en) * | 2021-11-16 | 2022-03-08 | 江苏盟星智能科技有限公司 | PCB outward appearance automatic checkout device |
| CN114152632B (en) * | 2021-11-16 | 2023-05-26 | 江苏盟星智能科技有限公司 | PCB outward appearance automatic checkout device |
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