CN105091800A - System and method for calibrating and detecting pins of cylindrical capacitor type irregular electronic components - Google Patents
System and method for calibrating and detecting pins of cylindrical capacitor type irregular electronic components Download PDFInfo
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Abstract
The invention discloses a system and method for calibrating and detecting pins of cylindrical capacitor type irregular electronic components. The system includes: a machine frame, a drive system, an automatic material distribution system, a pin calibration system, a vision detection system and a conveying system, wherein the drive system includes a material distribution disc, a work disc and a stepping motor. The automatic material distribution system includes a material supply chute, a first air blowpipe and an air compressor. The pin calibration system includes a first cylinder, a second cylinder and a mechanical clamping finger with recessed grooves. The vision detection system includes an image acquisition apparatus, a processor, a display terminal, a camera frame and a lift adjustable mechanism. The conveying system includes a qualified product conveying belt, a first blockage board, a nonqualified product recycling belt and a second blockage board. According to the invention, the system and method can conduct automatically pin calibration of electronic components which belong to cylindrical capacitor type, and conduct automatic assessment on whether the pins are qualified and conduct automatic classification. The system can fully replace manual operation.
Description
Technical field
The present invention relates to the whole pin of a kind of electronic devices and components and checkout equipment, be specifically related to the whole pin detection system of a kind of cylindric capacitance kind temperature electronic components and parts and method, belong to electronic devices and components pin forming equipment technical field.
Background technology
At present, the alignment of electronic devices and components pin or correct generally artificial completing, namely adopts tweezers to carry out by experienced workman.Not only labour intensity is high for this traditional electronic devices and components whole pin method, human cost is high, but also there is the problem that efficiency is low, consistance is poor, qualification rate is difficult to guarantee, follow-up plug-in unit operation is had a significant impact, the needs of domestic enterprise's production development can not be adapted to far away.
If the whole pin of the robotization that can realize electronic devices and components, obviously will reduce human cost, improve qualification rate, save production site, therefore electronic devices and components robotization whole pin technology by be solve current whole pin method send one's regards to the key of topic.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of realize the whole pin of robotization and detection, the whole pin detection system of cylindric capacitance kind temperature electronic components and parts and method.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
One, the whole pin detection system of cylindric capacitance kind temperature electronic components and parts, comprising:
Frame (1), kinematic train, automatic distribution system, whole pin system (15), vision detection system and transfer system, wherein:
Kinematic train comprises material separating disc (5), scratch diskette (6) and stepper motor (26); Material separating disc (5) is vertically arranged, and its periphery is evenly provided with material-dividing groove; Scratch diskette (6) is horizontally disposed with, banking stop (7) is provided with above it, its periphery is evenly provided with work nest, and the work nest being positioned at scratch diskette (6) first station aligns with the material-dividing groove being positioned at material separating disc (5) first station; Stepper motor (26) drives material separating disc (5) and scratch diskette (6) to rotate respectively by the first bevel gear shaft (17) and the second bevel gear shaft (21);
Automatic distribution system comprises loading chute (2), the first gas blow pipe (4) and air compressor (16), loading chute (2) tilts to install, its discharge end connects the material-dividing groove being positioned at material separating disc (5) second station, and discharge end is lower than feed end; First gas blow pipe (4) one end connects air compressor (16), and the other end is facing to the material-dividing groove being positioned at material separating disc (5) first station;
Whole pin system (15) comprise the first cylinder (28), the second cylinder (30) and be provided with groove (43) machinery folder refer to (33), first cylinder (28) and the second cylinder (30) are installed in an angle of 90 degrees, wherein, first cylinder (28) piston rod connects connecting link (29) one end, contiguous block (31) is fixed on connecting link (29) other end by fixture (32), second cylinder (30) is fixed on contiguous block (31), and the first cylinder (28) moves up and down in order to drive the second cylinder (30); Second cylinder (30) piston rod connects machinery folder by folder stylus pin nail (41) and refers to (33), machinery folder refers to that (33) are fixed in frame (1) by dowel hole (42), and the second cylinder (30) refers to the open and close of (33) in order to driving device folder;
Vision detection system comprises image collecting device (10), processor, display terminal (12), camera frame (13) and liftable governor motion, camera frame (13) is fixed in frame (1), image collecting device (10) is fixed on liftable governor motion, liftable governor motion is located in camera frame (13), can slide up and down along camera frame (13); Display terminal (12), processor, image collecting device (10) three are intercomed mutually by data transmission module;
Transfer system comprises certified products travelling belt (14), the first baffle plate (8.1), non-certified products recovery band (9) and second baffle (8.2), be provided with the first baffle plate (8.1) and certified products travelling belt (14) before scratch diskette the 3rd station work nest, before scratch diskette the 4th station work nest, be provided with second baffle (8.2) and non-certified products recovery band (9); 3rd station work cell wall is provided with pore, and the second gas blow pipe (25) one end is connected with this pore, and the other end connects air compressor (16); 4th station work cell wall is also provided with pore, and the 3rd gas blow pipe (27) one end is connected with this pore aligns, and the other end connects air compressor (16) and connects.
As preferably, material separating disc (5) periphery is evenly provided with 4 material-dividing grooves.
As preferably, scratch diskette (6) periphery is evenly provided with 4 work nests.
In kinematic train, material separating disc (5) is fixed in frame by the first bevel gear shaft (17), nut (18) and packing ring (19), and the first bevel gear shaft (17) is perpendicular to material separating disc (5); Scratch diskette (6) is connected by key with the second bevel gear shaft (21), and the second bevel gear shaft (21) is perpendicular to scratch diskette (6); First bevel gear shaft (17) and the second bevel gear shaft (21) are installed on bevel gear shaft location-plate (22) and go up and engage each other in an angle of 90 degrees, ratio of gear is 1:1; Stepper motor (26) is installed on motor location-plate (23), and stepper motor (26) is connected by shaft coupling (24) with the second bevel gear shaft (21); Bevel gear shaft location-plate (22) and motor location-plate (23) are all located in frame.
In vision detection system, image collecting device (10) is fixed on camera support part (36) by camera fixture (35), camera support part (36) is fixed on lift adjustment slide block (38) by self-locking type pinion and rack (37), lift adjustment slide block (38) is located in camera frame (13), and lift adjustment slide block (38) can move up and down along camera frame (13); Camera frame fixed knob (39) is for being fixed on camera frame (13) by lift adjustment slide block (38).
Two, the whole pin detection method of cylindric capacitance kind temperature electronic components and parts, comprises successively:
Step 1, image collecting device (10) gathers original capacitance pinouts picture;
Step 2, pre-service capacitor pin image is to improve capacitor pin picture quality;
Step 3, artificial selected ROI from capacitor pin image, and extract ROI subimage;
Step 4, the pixel value based on original capacitance pinouts picture carries out Threshold segmentation to ROI subimage, to be separated capacitor pin end face in ROI subimage and background;
Step 5, carries out burn into dilation operation based on morphology opening operation successively to ROI subimage;
Step 6, based on the ROI subimage after morphology opening operation, measures capacitor pin face area and two pins end face barycenter spacing, and compare with the capacitor pin standard index preset, thus after judging whole pin, whether electric capacity is qualified.
The present invention adopts whole pin system to carry out whole pin to capacitor pin, adopt vision detection system to the pin capture after whole pin, and judge that whether whole pin is qualified based on graphical analysis, certified products are by the certified products travelling belt transmission in transfer system, non-certified products re-start whole pin after reclaiming band recovery by the non-certified products in transfer system.
Compare with existing, the present invention has following beneficial effect:
1, achieve the whole pin of robotization of cylindric capacitor pin, and whether qualified the carrying out of whole pin is judged and classification automatically, manual operation can be replaced completely.
2, improve whole pin efficiency, reduce working strength; Improve precision and whole pin consistance, thus can further improve the qualification rate of follow-up plug-in unit operation.
Accompanying drawing explanation
Fig. 1 is pins arranging machine one-piece construction schematic diagram in embodiment;
Fig. 2 is drive system structure schematic diagram in embodiment;
Fig. 3 is the pins arranging machine structural representation removing detection system, kinematic train;
Fig. 4 is whole pin system architecture schematic diagram;
Fig. 5 refers to structural representation for machinery presss from both sides;
Fig. 6 refers to partial structurtes schematic diagram for machinery presss from both sides.
In figure: 1-frame, 2-loading chute, 3-electric capacity, 4-first gas blow pipe, 5-material separating disc, 6-scratch diskette, 7-banking stop, 8.1-first baffle plate, 8.2-second baffle, the non-certified products of 9-reclaim band, 10-camera lens, 11-image collecting device, 12-display terminal, 13-camera frame, 14-certified products travelling belt, the whole pin system of 15-, 16-air compressor, 17-first bevel gear shaft, 18-nut, 19-packing ring, 20-pore, 21-second bevel gear shaft, 22-bevel gear shaft location-plate, 23-motor location-plate, 24-shaft coupling, 25-second gas blow pipe, 26-stepper motor, 27-the 3rd gas blow pipe, 28-first cylinder, 29-connecting link, 30-second cylinder, 31-contiguous block, 32-fixture, 33-machinery folder refers to, 34-register pin, 35-camera fixture, 36-camera support part, 37-self-locking type pinion and rack, 38-lift adjustment slide block, 39-camera frame fixed knob, 40-carousel support plate, 41-presss from both sides stylus pin nail, 42-dowel hole, 43-groove.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the present invention is described in detail.
See Fig. 1 ~ 6, the present invention mainly comprises frame (1), kinematic train, automatic distribution system, whole pin system (15), vision detection system and transfer system.
See Fig. 2, kinematic train mainly comprises material separating disc (5), scratch diskette (6) and stepper motor (26), material separating disc (5) is vertically located in frame (1), scratch diskette (6) level is located in frame (1), and scratch diskette (6) below is located at by stepper motor (26).Material separating disc (5) periphery is evenly provided with the material-dividing groove matched with electric capacity geomery; Scratch diskette (6) periphery is evenly provided with the work nest matched with electric capacity geomery, banking stop (7) is provided with above work nest, banking stop (7), for adjusting electric capacity stitch position, is convenient to whole pin action executing, to improve whole pin efficiency.The work nest (being hereinafter " the first station work nest ") being positioned at scratch diskette (6) first station aligns with the material-dividing groove (being hereinafter " the first station material-dividing groove ") being positioned at material separating disc (5) first station, scratch diskette (6) second station and whole pin station.Stepper motor (26) drives material separating disc (5) and scratch diskette (6) respectively by the first bevel gear shaft (17) and the second bevel gear shaft (21).
In kinematic train, material separating disc (5) is fixed in frame (1) by the first bevel gear shaft (17), nut (18) and packing ring (19), and the first bevel gear shaft (17) is perpendicular to material separating disc (5); Scratch diskette (6) is connected by key with the second bevel gear shaft (21), and the second bevel gear shaft (21) is perpendicular to scratch diskette (6); First bevel gear shaft (17) and the second bevel gear shaft (21) are installed on bevel gear shaft location-plate (22) and go up and engage each other in an angle of 90 degrees, ratio of gear is 1:1; Stepper motor (26) is installed on motor location-plate (23), and stepper motor (26) is connected by shaft coupling (24) with the second bevel gear shaft (21); Bevel gear shaft location-plate (22) and motor location-plate (23) are all located in frame.
In concrete enforcement, material separating disc (5) periphery is evenly provided with 4 material-dividing grooves, wherein, material separating disc (5) upper end material-dividing groove is the first station material-dividing groove, left end material-dividing groove is the second station material-dividing groove, lower end material-dividing groove is the 3rd station material-dividing groove, and right-hand member material-dividing groove is the 4th station material-dividing groove.Scratch diskette (6) periphery is also evenly provided with 4 work nests, the work nest alignd with the first station material-dividing groove is the first station work nest, i.e. sub-material station work nest, be followed successively by the second station work nest, the 3rd station work nest, the 4th station work nest along clockwise direction, the second station work nest is vision-based detection station groove.
Automatic distribution system mainly comprises loading chute (2), the first gas blow pipe (4) and air compressor (16).Loading chute (2) tilts to install, and its discharge end connects the material-dividing groove being positioned at material separating disc (5) second station, and discharge end is lower than feed end; First gas blow pipe (4) one end connects air compressor (16), and the other end is facing to the material-dividing groove being positioned at material separating disc (5) first station.
In the present invention, the material-dividing groove that namely material-dividing groove being positioned at material separating disc first station aligns with loading chute (2) discharge end, the material-dividing groove being positioned at material separating disc second station is the material-dividing groove alignd with the work nest being positioned at scratch diskette (6) first station.
See Fig. 4 ~ 6, whole pin system is used for carrying out whole angle to the work nest electric capacity being positioned at scratch diskette (6) second station, mainly comprise the first cylinder (28), the second cylinder (30) and machinery folder to refer to (33), the first cylinder (28) and the second cylinder (30) are installed in an angle of 90 degrees.First cylinder (28) piston rod connects connecting link (29) one end, contiguous block (31) is fixed on connecting link (29) other end by fixture (32), and the second cylinder (30) is fixed on contiguous block (31).When the first cylinder (28) piston rod moves up and down, thus the second cylinder (30) is driven to move up and down.
Second cylinder (30) connects machinery folder by folder stylus pin nail (41) and refers to (33), machinery folder refers to that (33) are fixed in frame by register pin (34) and dowel hole (42), machinery folder refers to that (33) upper dowel hole (42) coordinates with register pin (34) and forms revolute pair, when second cylinder (30) piston rod protracts, machinery folder refers to that (33) close, when second cylinder (30) piston rod shrinks, machinery folder refers to that (33) open.Machinery folder refers to that (33) front end is provided with the groove (43) matched with capacitor pin, when machinery folder refers to that (33) clamp capacitor pin root, pin falls in groove (43), first cylinder (28) controls machinery folder and refers to that (33) move up, due to the restriction of groove (43), pin is then upwards aligned by root.In the whole pin system of the present invention, the first cylinder (28) be used for driving device folder refer to that (33) move up and down, to complete capacitor pin alignment; Second cylinder (30) is used for controlling machinery folder and refers to (33) open and close, to be fixed on by capacitor pin in groove (43).
Vision detection system mainly comprises image collecting device (10), processor, display terminal (12), camera frame (13) and liftable governor motion, and camera frame (13) is fixed in frame (1).Image collecting device (10) is fixed on liftable governor motion, and liftable governor motion is located in camera frame (13), can slide up and down along camera frame (13).Display terminal (12), processor, image collecting device (10) three are intercomed mutually by data transmission module.Image collecting device (10) is used for capacitance image, i.e. capacitance image after whole pin in collection second station work nest; Display terminal (12) is used for showing the capacitance image gathered.
In concrete enforcement, image collecting device (10) is fixed on camera support part (36) by camera fixture (35), camera support part (36) is fixed on lift adjustment slide block (38) by self-locking type pinion and rack (37), lift adjustment slide block (38) is located in camera frame (13), can move up and down along camera frame (13); Camera frame fixed knob (39) is for being fixed on camera frame (13) by lift adjustment slide block (38).When obtaining capacitor pin image, image collecting device (10) is highly made to move up and down, to obtain best shooting angle by regulating lift adjustment slide block (38).
Transfer system comprises certified products travelling belt (14) and non-certified products reclaim band (9).Be provided with the first baffle plate (8.1) and certified products travelling belt (14) before scratch diskette the 3rd station work nest, before scratch diskette the 4th station work nest, be provided with second baffle (8.2) and non-certified products recovery band (9).3rd station work cell wall is provided with pore, and the second gas blow pipe (25) one end is connected with this pore, and the other end connects air compressor (16); 4th station work cell wall is also provided with pore, and the 3rd gas blow pipe (27) one end is connected with this pore aligns, and the other end connects air compressor (16).
The course of work of the present invention's whole pin equipment is as follows:
Treat that whole pin electric capacity (3) is arranged in loading chute (2), because loading chute (2) tilts to install, under Action of Gravity Field, treat that whole pin electric capacity (3) falls into the first station material-dividing groove; Now, stepper motor (26) drives material separating disc (5) to rotate, to treating that whole pin electric capacity (3) is alignd with the first station work nest, first gas blow pipe (4) is blown, make to treat that whole pin electric capacity (3) is subject to thrust forward and angular force, angular force makes to treat that whole pin electric capacity (3) rotates under banking stop (7) effect, makes to treat that whole pin electric capacity (3) is moved from the first station material-dividing groove to the first station work nest under the effect of thrust.Stepper motor (26) drives scratch diskette (6) to rotate, and will treat that whole pin electric capacity (3) sends into scratch diskette (6) second station, i.e. whole pin station, next treats that whole pin electric capacity (3) is in place simultaneously.
Treat that whole pin electric capacity (3) arrives whole pin station, treat that whole pin electric capacity (3) pin is placed in groove (43), the second cylinder (30) works, and machinery folder refers to that (33) close.First cylinder (28) works, first cylinder (28) piston rod stretches out to drive on connecting link (29) and moves, thus driving device folder refers to that (33) move up, due to groove (43) restriction, capacitor pin is then outwards aligned by root, when the first cylinder (28) stroke is maximum, second cylinder (30) reverse operation, machinery folder refers to that (33) open, first cylinder (28) reverse operation, machinery folder refers to that (33) get back to original position; Scratch diskette (6) rotates simultaneously, and whole pin electric capacity is admitted to vision-based detection station, and next treats that whole pin electric capacity (3) is admitted to whole pin station.
Image collecting device (10) collection is positioned at the capacitor pin image of vision-based detection station, processes judge whether whole pin electric capacity is certified products to capacitor pin image.If be judged as certified products, air compressor (16) works, and the second gas blow pipe (25) is blown, and under baffle effect, qualified electric capacity drops down onto certified products travelling belt (14).If be judged as non-certified products, scratch diskette (6) rotates, electric capacity goes to next station, namely station is reclaimed, air compressor (16) works, 3rd gas blow pipe (25) is blown, and under baffle effect, non-qualified electric capacity drops down onto non-certified products recovery band (9) and reclaims.
Judge whether whole pin electric capacity is that certified products carry out automatically by computer program, comprises step further according to capacitor pin image:
(1) Image semantic classification:
When obtaining image, due to the impact of the factor such as camera subject, light source, institute gathers the possibly full detail that cannot present capacitor pin completely of image, therefore needs to carry out Image semantic classification to improve picture quality.Image semantic classification of the present invention mainly comprises image smoothing and image sharpening.During concrete enforcement, image smoothing adopts median filter with effective restraint speckle, and its ultimate principle is that the Mesophyticum of this point of pixel value all neighborhood points pixel value of certain point in image is replaced, thus eliminates isolated noise spot.Because image smoothing often causes image boundary and soft edge, for reducing this type of adverse effect, also adopting Sobel differentiating operator to carry out figure sharpening when implementing so concrete, effectively to strengthen edge or Gray Level Jump part, making image become clear.
(2) ROI selectes:
Adopt rectangle area-of-interest (ROI, regionofinterest) in concrete enforcement, manually selected ROI region, and extract ROI subimage, as the object of successive image treatment and analyses from image after pre-service.Extract ROI subimage and can avoid futile searches to detection target area non-in entire image and interference, thus image detection efficiency and operational precision can be improved.
(3) Threshold segmentation:
Pixel value based on original image carries out Threshold segmentation to ROI subimage, with separate capacitor pin end face and background quickly and efficiently.Using the gray average of ROI subimage as the initial threshold T of Threshold segmentation
i, then according to following steps adjustment threshold value, until meet given criterion.
A () utilizes present threshold value T
irOI subimage is divided into region R
1and R
2, zoning R respectively
1and R
2gray average μ
1with μ
2:
Wherein, i represents grey scale pixel value, n
irepresent that gray-scale value is the number of pixels of i.
B () is according to formula (3) adjustment threshold value:
C () is with threshold value T
i+1for present threshold value, repeat step (a) and (b), until T
i+1-T
i< ε, ε are given convergency value, usually get 0.02 ~ 0.05.
(4) mathematical morphology operation:
Due to capacitor pin end face and non-fully is smooth, after Threshold segmentation there is the little cavity in some isolated spotted noises and connected region in image, adds the difficulty of follow-up pin end face parameter measurement.Therefore, the present invention adopts morphology opening operation with the border of smoothing capacity pin end face, simultaneously original shape of holding capacitor pin end face.Wherein, morphology opening operation adopts and first corrode two grown form student movements calculations of expanding afterwards and come.
(5) judge whether qualified:
Based on the image after mathematical morphology operation, measure capacitor pin face area and two pins end face barycenter spacing, compare with the capacitor pin standard index preset, if capacitor pin face area and two pins end face barycenter spacing all fall within the scope of capacitor pin standard index, be then certified products; Otherwise, defective.
The above is the embodiment of this invention, above-mentioned illustrating is not construed as limiting flesh and blood of the present invention, person of an ordinary skill in the technical field can make an amendment above-mentioned embodiment or be out of shape after having read this instructions, and does not deviate from the spirit and scope of the invention.
Claims (8)
1. the whole pin detection system of cylindric capacitance kind temperature electronic components and parts, is characterized in that, comprising:
Frame (1), kinematic train, automatic distribution system, whole pin system (15), vision detection system and transfer system, wherein:
Kinematic train comprises material separating disc (5), scratch diskette (6) and stepper motor (26); Material separating disc (5) is vertically arranged, and its periphery is evenly provided with material-dividing groove; Scratch diskette (6) is horizontally disposed with, banking stop (7) is provided with above it, its periphery is evenly provided with work nest, and the work nest being positioned at scratch diskette (6) first station aligns with the material-dividing groove being positioned at material separating disc (5) first station; Stepper motor (26) drives material separating disc (5) and scratch diskette (6) to rotate respectively by the first bevel gear shaft (17) and the second bevel gear shaft (21);
Automatic distribution system comprises loading chute (2), the first gas blow pipe (4) and air compressor (16), loading chute (2) tilts to install, its discharge end connects the material-dividing groove being positioned at material separating disc (5) second station, and discharge end is lower than feed end; First gas blow pipe (4) one end connects air compressor (16), and the other end is facing to the material-dividing groove being positioned at material separating disc (5) first station;
Whole pin system (15) comprise the first cylinder (28), the second cylinder (30) and be provided with groove (43) machinery folder refer to (33), first cylinder (28) and the second cylinder (30) are installed in an angle of 90 degrees, wherein, first cylinder (28) piston rod connects connecting link (29) one end, contiguous block (31) is fixed on connecting link (29) other end by fixture (32), second cylinder (30) is fixed on contiguous block (31), and the first cylinder (28) moves up and down in order to drive the second cylinder (30); Second cylinder (30) piston rod connects machinery folder by folder stylus pin nail (41) and refers to (33), machinery folder refers to that (33) are fixed in frame (1) by dowel hole (42), and the second cylinder (30) refers to the open and close of (33) in order to driving device folder;
Vision detection system comprises image collecting device (10), processor, display terminal (12), camera frame (13) and liftable governor motion, camera frame (13) is fixed in frame (1), image collecting device (10) is fixed on liftable governor motion, liftable governor motion is located in camera frame (13), can slide up and down along camera frame (13); Display terminal (12), processor, image collecting device (10) three are intercomed mutually by data transmission module;
Transfer system comprises certified products travelling belt (14), the first baffle plate (8.1), non-certified products recovery band (9) and second baffle (8.2), be provided with the first baffle plate (8.1) and certified products travelling belt (14) before scratch diskette the 3rd station work nest, before scratch diskette the 4th station work nest, be provided with second baffle (8.2) and non-certified products recovery band (9); 3rd station work cell wall is provided with pore, and the second gas blow pipe (25) one end is connected with this pore, and the other end connects air compressor (16); 4th station work cell wall is also provided with pore, and the 3rd gas blow pipe (27) one end is connected with this pore aligns, and the other end connects air compressor (16).
2. the whole pin detection system of cylindric capacitance kind temperature electronic components and parts as claimed in claim 1, is characterized in that:
Described material separating disc (5) periphery is evenly provided with 4 material-dividing grooves.
3. the whole pin detection system of cylindric capacitance kind temperature electronic components and parts as claimed in claim 1, is characterized in that:
Described scratch diskette (6) periphery is evenly provided with 4 work nests.
4. the whole pin detection system of cylindric capacitance kind temperature electronic components and parts as claimed in claim 1, is characterized in that:
In kinematic train, material separating disc (5) is fixed in frame by the first bevel gear shaft (17), nut (18) and packing ring (19), and the first bevel gear shaft (17) is perpendicular to material separating disc (5); Scratch diskette (6) is connected by key with the second bevel gear shaft (21), and the second bevel gear shaft (21) is perpendicular to scratch diskette (6); First bevel gear shaft (17) and the second bevel gear shaft (21) are installed on bevel gear shaft location-plate (22) and go up and engage each other in an angle of 90 degrees, ratio of gear is 1:1; Stepper motor (26) is installed on motor location-plate (23), and stepper motor (26) is connected by shaft coupling (24) with the second bevel gear shaft (21); Bevel gear shaft location-plate (22) and motor location-plate (23) are all located in frame.
5. the whole pin detection system of cylindric capacitance kind temperature electronic components and parts as claimed in claim 1, is characterized in that:
In vision detection system, image collecting device (10) is fixed on camera support part (36) by camera fixture (35), camera support part (36) is fixed on lift adjustment slide block (38) by self-locking type pinion and rack (37), lift adjustment slide block (38) is located in camera frame (13), and lift adjustment slide block (38) can move up and down along camera frame (13); Camera frame fixed knob (39) is for being fixed on camera frame (13) by lift adjustment slide block (38).
6. the whole pin detection method of cylindric capacitance kind temperature electronic components and parts, is characterized in that, comprise successively:
Step 1, image collecting device (10) gathers original capacitance pinouts picture;
Step 2, pre-service capacitor pin image is to improve capacitor pin picture quality;
Step 3, artificial selected ROI from capacitor pin image, and extract ROI subimage;
Step 4, the pixel value based on original capacitance pinouts picture carries out Threshold segmentation to ROI subimage, to be separated capacitor pin end face in ROI subimage and background;
Step 5, carries out burn into dilation operation based on morphology opening operation successively to ROI subimage;
Step 6, based on the ROI subimage after morphology opening operation, measures capacitor pin face area and two pins end face barycenter spacing, and compare with the capacitor pin standard index preset, thus after judging whole pin, whether electric capacity is qualified.
7. the whole pin detection method of cylindric capacitance kind temperature electronic components and parts as claimed in claim 6, is characterized in that:
Step 2 is specially: to capacitor pin image successively smoothing and sharpening.
8. the whole pin detection method of cylindric capacitance kind temperature electronic components and parts as claimed in claim 6, is characterized in that:
Adopt gray scale hierarchical alterative method to obtain optimal threshold in step 4, and Threshold segmentation is carried out to ROI subimage.
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| CN201510294258.1A CN105091800B (en) | 2015-06-01 | 2015-06-01 | The cylindric whole pin detecting system of capacitance kind temperature electronic component and method |
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| CN201510294258.1A CN105091800B (en) | 2015-06-01 | 2015-06-01 | The cylindric whole pin detecting system of capacitance kind temperature electronic component and method |
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| CN105091800B CN105091800B (en) | 2017-10-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318473A (en) * | 2020-03-24 | 2020-06-23 | 无锡创驰电气有限公司 | Capacitance convex hull detecting and sorting device |
| CN111504370A (en) * | 2020-04-20 | 2020-08-07 | 深圳新益昌科技股份有限公司 | Capacitor alignment plug-in device |
| CN114018192A (en) * | 2021-11-03 | 2022-02-08 | 深圳恩泽瑞显示科技有限公司 | Device for checking LCD metal pin overlength |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111318473A (en) * | 2020-03-24 | 2020-06-23 | 无锡创驰电气有限公司 | Capacitance convex hull detecting and sorting device |
| CN111318473B (en) * | 2020-03-24 | 2021-10-15 | 无锡创驰电气有限公司 | Capacitance convex hull detecting and sorting device |
| CN111504370A (en) * | 2020-04-20 | 2020-08-07 | 深圳新益昌科技股份有限公司 | Capacitor alignment plug-in device |
| CN114018192A (en) * | 2021-11-03 | 2022-02-08 | 深圳恩泽瑞显示科技有限公司 | Device for checking LCD metal pin overlength |
| CN114018192B (en) * | 2021-11-03 | 2023-09-26 | 深圳恩泽瑞显示科技有限公司 | Device for checking ultra-long metal pins of LCD |
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| CN105091800B (en) | 2017-10-13 |
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