CN105817431A - Intelligent appearance defect high-speed detection machine - Google Patents
Intelligent appearance defect high-speed detection machine Download PDFInfo
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- CN105817431A CN105817431A CN201610295885.1A CN201610295885A CN105817431A CN 105817431 A CN105817431 A CN 105817431A CN 201610295885 A CN201610295885 A CN 201610295885A CN 105817431 A CN105817431 A CN 105817431A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
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Abstract
The invention relates to the field of manufacturing and detecting of electronic components, in particular to an intelligent appearance defect high-speed detection machine. The intelligent appearance defect high-speed detection machine comprises a feeding mechanism, a guiding mechanism, a transparent rotary disc conveying mechanism, a detecting mechanism, a sorting mechanism and a control system which are sequentially arranged. The feeding mechanism is provided with a material supplementary device, a disc feeder, a linear feeder and a material return device and further provided with a material detection sensor capable of controlling material supplementation of the material supplementary device. The transparent rotary disc conveying mechanism is composed of a servo drive system, a coupling, a bearing mounting base and a high-light-transmittance transparent glass rotary disc. The detection mechanism comprises a position detection unit, high-speed CCD camera shooting units, a focusing adjustment lens and ultrahigh-brightness light source illumination units. The six high-speed CCD camera shooting units and the six ultrahigh-brightness light source illumination units are arranged. The material supplementary device and the material return device of the feeding mechanism achieve timely material supplementation, and detection efficiency is improved. Dual light sources are used for being matched with the high-speed CCD camera shooting units and the focusing adjustment lens, images are clear, the shooting speed, the conveying speed and the judgment speed are increased, and detection precision is improved.
Description
Technical field
The present invention relates to electronic devices and components manufacture detection apparatus field, specifically refer to realize with ultrahigh speed a kind of intelligence open defect high-speed detecting machine of electronic element feed, conveying, outward appearance detection and image procossing, sorting.
Background technology
The successful implementation of China's reform policy, is greatly promoted developing rapidly of economy, and country becomes increasingly prosperous prosperity, and living standards of the people improve rapidly, and household electrical appliance enter thousands upon thousands families.The core circuit of household electrical appliance is exactly to be made up of a large amount of electronic components of the inside, especially the three big slice components such as electric capacity, inductance, resistance, and the market demand of this three big element often increases with double figures every year.Owing to the function of household electrical appliance gets more and more, volume is more and more less, force slice component must develop to the direction of miniaturization, component size is done less and less, from 0805,0603, develop into 0402,0201, so less, 0402 a height of 0.04 0.02 0.02 inches of the length and width representing slice component, i.e. 1.0 0.5 0.5mm.
Along with the miniaturization of slice component, producing the central detection to slice component presentation quality, becoming more and more difficult；Traditional outward appearance detection, is dependent on artificial, with the naked eye directly observes or is with the naked eye observed by microscope, rejecting the element that there is open defect.There is the biggest drawback in this technique: one, the eyes of people are the most tired, and error rate and loss are the most at a relatively high, and quality inspection is the most unstable；Two, different people judges that the standard of defect there are differences so that assay lacks unified standard；Three, production efficiency is low, is not particularly suitable for mini component high speed, high efficiency production demand；Four, cost of labor is high.
For these reasons, in order to product improves quality, cost is reduced, the grouping system of electronic component to walk this road of automatic grouping system sooner or later, and whose early employing automatic fraction collector on the one, who just can occupy competitive advantage in quality and cost, and this is the common recognition of most of device manufacturers.
According to this situation, abroad have developed the automatic outward appearance grouping system equipment for slice component especially micro component, such as, the visual inspection machine that RTS company of Korea S develops, apply for a patent in China and obtain mandate, patent name: apparatus for dual electronic part inspection and method 2007100904491, Authorization Notice No. CN101049596B, this kind equipment is at China's Mainland many enterprises trail run.But, this kind of equipment price is high, and structure is complicated, operation difficulty, and maintenance is also difficult, and it is slow to detect speed.The subject matter existed: one is light source lighting unit luminance shortage, image acquisition is unclear, two is filming apparatus not high aloof from politics and material pursuits speed capture apparatus and shortage automatic focusing function, image acquisition speed is low, three is to be not provided with feeder above bowl hopper feeder, substantial amounts of slice component rotates in bowl hopper feeder repeatedly, cause slice component surface abrasion, four is that straight line feeder side is not provided with material returning device, the slice component that straight line feeder is sent affects each other and causes transmission step to be difficult to keep consistent, it is difficult to realize High Speed Transfer；Owing to not having feed back, component size size and particle can not be drained and easily caused the break that gets stuck.To sum up 4 point, detection speed is slow, and detection accuracy is relatively low, and work efficiency is low.
Summary of the invention
Low in order to solve the efficiency of prior art visual inspection machine existence, price is high, structure challenge, and it is high that the present invention proposes a kind of efficiency, and accuracy of detection is high, the one intelligence open defect high-speed detecting machine of dependable performance.
The technical scheme that the present invention uses is as follows:
A kind of electronic element high speed visual inspection machine, it includes feed mechanism, material guide mechanism, transparent rotating disk conveying mechanism, testing agency, sorting mechanism and the control system that order is arranged.
Described feed mechanism, including the feeder arranged by testing process order, bowl hopper feeder, straight line feeder and material returning device, the inspection material sensor that can control feeder feed supplement it is provided with on bowl hopper feeder, straight line feeder is provided with feedback outlet connection material returning device, the outlet bowl hopper feeder of material returning device, material returning device is actually small-sized straight line feeder, its feed direction is the most contrary with straight line feeder feed direction, its power is electromagnetic vibrator, the effect of material returning device is slow for the speed on straight line feeder, element and particle that size is big are discharged to feed chute, guarantee that the electronic component of straight line feeder is constantly under maximum speed to move.
Electronic element is placed in feeder and bowl hopper feeder, it is transported on straight line feeder by bowl hopper feeder, the unnecessary electronic element of straight line feeder enters material returning device by feedback outlet and returns bowl hopper feeder, inspection material sensor on bowl hopper feeder, detect and control feeder automatic feeding when material is few to bowl hopper feeder, it is to avoid too much electronic element frictional impact in bowl hopper feeder；I.e. electronic element at straight line feeder arrival end to feedback outlet is the most sparse double row layout, after feedback outlet, electronic element to straight line feeder discharge outlet changes the close-packed arrays of single file into, guarantee that straight line feeder high speed course of conveying completely expects to run continuously, it is achieved ultrahigh speed feeding function.
Described transparent rotating disk conveying mechanism is made up of servo drive system, shaft joint, bearing mounting base, high light-permeable transparent glass rotary disc.
Described testing agency includes that position detection unit, high-speed CCD photography unit, focusing adjust camera lens, super brightness light source lighting unit；Described position detection unit, is located at the top of clear glass rotating disk and between straight line feeder outlet and high-speed CCD photography unit.
Described high-speed CCD photography unit arrange quantity at least one, at most six, it is located at the upper and lower of clear glass rotating disk or marginal position, complete on the upside of electronic element, downside, inner side, outside, front side and the image acquisition of rear side, in high-speed CCD photography unit front end, connect focusing and adjust camera lens, adjust camera lens front in focusing, super brightness light source lighting unit is set, for the image acquisition of two sides upper and lower to electronic element；Adjust between camera lens and super brightness light source lighting unit in focusing, the corner cube prism that can make opticpath break-in can be set up, for inside and outside electronic element, the image acquisition of front and back four sides；Arranging multistage focusing adjustment camera lens and can realize the detection of relatively large span range size electronic element, the suitability is strong.
It is identical with high-speed CCD photography unit that described super brightness light source lighting unit arranges quantity, by the needs of detection each side of electronic element, can arrange side light source, lower side light source, inner side light source, outside light source, front side light source and rear side light source；Each side light source is made up of double light sources respectively, and wherein double combination of light sources of upper and lower sides light source are 1/4 sphere high-brightness LED lamp and point source, and double combination of light sources inside and outside, side light source front and back are 1/4 sphere high-brightness LED lamp and three plate-shaped light source；1/4 sphere high-brightness LED lamp, three plate-shaped light source and point source are respectively equipped with multichannel controllable LED lamp group, adjustable all directions brightness and generation stroboscopic high brightness and control, it is possible to be respectively provided with red, green, blue, white lamp bead；Described each side light source is provided with high-speed CCD photography unit and gathers image breach.
Double light sources are mainly suitable for high-speed CCD photography collection picture rich in detail and process, owing to this high speed detection requires that high-speed CCD photography acquisition time reaches microsecond rank, under the conditions of usual light-source brightness, high-speed CCD enters deficiency in light quantity and is difficulty with gathering picture rich in detail, the present invention is radiated at electronic element surface by using double illuminant characterization and stroboscopic high brightness control mode with super brightness, high-speed CCD photography is made to gather HD image within the microsecond rank time, so that ultrahigh speed detection is capable of.
Described material guide mechanism is made up of two groups of guide pads inside and outside front and back staggering, guide pad uses arc guide track configuration, realize electronic element carries out inner edge and twice automatic guiding position respectively, outside, guarantee each electronic element axle center through CCD image unit, thus improve efficiency and the accuracy of high speed detection electronic component.
After described sorting mechanism is located at testing agency, stub bar and hopper mechanism is blown including ultrahigh speed electromagnetic valve, pin hole, hopper mechanism is provided with qualified storehouse, Nonconforming Parts Area, resurvey storehouse and exhaust chamber, the response frequency of described ultrahigh speed electromagnetic valve reaches 10,000 times per second, exhaust chamber is set and reduces high velocity air entrance qualified storehouse, Nonconforming Parts Area, storehouse of resurveying, eliminate electronic element collision under air-flow drives and cause secondary damage, it is that maximum is gathered in the pin beneficially air-flow short time that pin hole blows stub bar, improves blowing force.
Described control system and feed mechanism, material guide mechanism, transparent rotating disk conveying mechanism, testing agency, sorting mechanism electrical connection, control system is made up of industrial control computer, motion-control module, image capture module and light source control module series, being run by human-machine operation software system and control, the CPU of industrial control computer is inteli5 or above array configuration.
The servosystem that the present invention uses is formed integral system by servomotor and high-precision encoder, and coding site precision is high, and the feature of this conveying can realize high speed course of conveying and position with the high-resolution of position, it is ensured that multiple operation high speed and accuracy.
Work process of the present invention is as follows:
1, before start, first pour the major part of electronic element into feeder, fraction is poured in bowl hopper feeder, after start, bowl hopper feeder circumferentially vibrates, part electronic element is delivered to the straight line feeder along rectilinear direction vibration, and unnecessary part returns bowl hopper feeder；
2, after entering straight line feeder, electronic element is arranged in the loose formation of one to two row naturally, after feedback outlet, straight line feeder passage narrows from the width, electronic element is forced to be punctured into the close-packed arrays formation of single file, unnecessary by material returning device, returns bowl hopper feeder；
3, electronic element enters the transparent rotating disk conveyer rotated from straight line feeder, follow clear glass rotating disk to rotate together, twice automatic guiding position through material guide mechanism, guarantee each electronic element axle center through CCD image unit, i.e. in the fixed position of clear glass disk peripheral；
4, during the detector unit of in-position, confirm the original position of each electronic element, it is recorded among computer, behind corresponding some time interval, image acquisition to upside, downside, inner side, outside, front side and the rear side of this electronic element respectively, then synthesizing the image conditions of each side of this electronic element, reference standard determines whether certified products；
5, control system instruction is arranged at the upper and lower multiple CCD image units of glass disk and the work of super brightness light source lighting unit, absorbs the picture rich in detail of six sides of electronic element respectively, and subsequent picture information metering-in control system processes；
6, control system contrasts with the defective work view data stored in advance, if both images are identical or approximation, illustrate that this electronic component is defective work, defective work is blown into defective work storehouse at a high speed according to data processed result by sorting mechanism, certified products then enter certified products storehouse, the unintelligible then entrance that not can determine that of view data is resurveyed storehouse, it is simple to next time is detected again.
The present invention uses the inspiration of super brightness light source lighting to come from Dynamic Photography: shoot the electronic element on the clear glass rotating disk in motion, be equivalent to shoot athlete's momentary status at the volley in sports, its principle is that the exposure time is the shortest, the image of shooting is the most clear, its premise is that video camera needs to tune up aperture, or on the premise of aperture is constant, improve the brightness of lighting source, the present invention just takes the way improving lighting source brightness, coordinate automatic focus adjustable technology, when electronic element enters the visual field of CCD image unit, fast automatic adjusting focal length, fast automatic picked-up image, quickly it is sent to control system.
The visual inspection machine 2007100904491 that the RTS company of Korea S introduced in background technology develops, it it is the representative machine of prior art, one of its shortcoming is the lighting source luminance shortage when high speed detection, when causing shooting, the exposure time cannot shorten, otherwise image is the most black, in image, details is unintelligible, and the moving image of exposure time length then there will be conditions of streaking, the most unintelligible.In order to improve shooting image definition, it has to reducing clear glass rotary speed, therefore visual inspection machine detection speed declines, and Detection accuracy also declines.
The invention has the beneficial effects as follows:
1) in feed mechanism, increase feeder and material returning device, realize timely feed supplement, the electronic element making straight line feeder exit presents the close-packed arrays formation of single file, after entering clear glass rotating disk, and can be by being spaced of setting, avoid fracture, lack the generation of material situation, detection efficiency improves, and prevents substantial amounts of electronic element from repeatedly rotating falling, the secondary damage caused in bowl hopper feeder；
2) clear glass rotating disk is used, it is achieved once having crossed six sides to sheet electronic component and detected, efficiency is greatly improved, and avoids the mistake that manual detection easily occurs；
3) using the super brightness light source lighting unit of double light source, coordinate high-speed CCD photography unit and focusing to adjust camera lens, complete the image of each side of electronic element is carried out high speed acquisition, image is clear, shoots, transmits and judge that speed is accelerated；
4) use material guide mechanism, electronic element is carried out inner edge and twice automatic guiding position respectively, outside, it is ensured that each electronic element is positioned over the tram on clear glass rotating disk, makes detection smooth and easy fluent；
5) sorting mechanism arranges ultrahigh speed electromagnetic valve, pin hole blows stub bar and is provided with the hopper mechanism of exhaust chamber, improves and blows material speed, the setting of exhaust chamber, can discharge pin hole and blow the high velocity air of stub bar, reduce the damage being likely to result in electronic element；The 45 degree of tilted metallic screen cloths arranged bottom qualified storehouse, Nonconforming Parts Area and storehouse of resurveying, also effect protected to electronic element；
5) during the detector unit of in-position, confirm the original position of each electronic element, it is recorded among computer, behind corresponding some time interval, image acquisition to upside, downside, inner side, outside, front side and the rear side of this electronic element respectively, then synthesizing the image conditions of each side of this electronic element, reference standard determines whether certified products.
Accompanying drawing explanation
Fig. 1 is one intelligence open defect high-speed detecting machine schematic top plan view of the present invention.
Fig. 2 is feed mechanism schematic perspective view.
Fig. 3 is another view stereo schematic diagram of feed mechanism.
Fig. 4 is transparent rotating disk conveying mechanism schematic perspective view.
Fig. 5 is the CCD image unit for left surface detection and lighting unit combination schematic perspective view.
Fig. 6 is 1/4 sphere high-brightness LED lamp and the three panel shape combination of light sources solid enlarged diagrams of super brightness light source lighting unit.
Fig. 7 is the point source exploded perspective enlarged diagram of super brightness light source lighting unit.
Fig. 8 is material guide mechanism enlarged diagram in Fig. 1.
Fig. 9 is material guide mechanism schematic perspective view.
Figure 10 is sorting mechanism schematic perspective view.
Figure 11 present invention contrasts table with the technical-economic index of present technology Korea S R corporate device.
null1 feed mechanism in figure,2 material guide mechanisms,3 transparent rotating disk conveying mechanisms,4 position detection unit,5 sorting mechanisms,The 6 CCD image units detected for upper side and lighting unit combination,The 7 CCD image units being used for downside detection and lighting unit combination，The 8 CCD image units being used for left surface detection and lighting unit combination，The 9 CCD image units being used for right flank detection and lighting unit combination，The 10 CCD image units being used for leading flank detection and lighting unit combination，The 11 CCD image units being used for trailing flank detection and lighting unit combination，12 feeders，13-bowl hopper feeder，14-straight line feeder，15-material returning device，21-guide pad，22-guiding mechanism，23-X axle slide unit，31-clear glass rotating disk，32-bearing mounting base，33-shaft joint，34-high-precision encoder one，35-servomotor，51-pin hole blows stub bar，52-ultrahigh speed electromagnetic valve，53-exhaust chamber，54-resurveys storehouse，55-Nonconforming Parts Area，The qualified storehouse of 56-，The light cover of 61-point source，The LED of 62-point source，The lamp socket of 63-point source，64-gathers image breach，81-1/4 sphere high-brightness LED lamp，Tri-plate-shaped light source of 82-，83-high-speed CCD photography unit，84-focusing adjusts camera lens，85-slide unit，86-corner cube prism.
Detailed description of the invention
Fig. 1 is one intelligence open defect high-speed detecting machine schematic top plan view of the present invention, is provided with feed mechanism, material guide mechanism, transparent rotating disk conveying mechanism, testing agency, sorting mechanism and control system.Feed mechanism includes feeder, bowl hopper feeder, straight line feeder and material returning device, is additionally provided with the inspection material sensor that can control feeder feed supplement, and straight line feeder is provided with feedback outlet connection material returning device, and the outlet bowl hopper feeder of material returning device, such as Fig. 2, shown in 3.
Transparent rotating disk conveying mechanism is made up of, as shown in Figure 4 servo drive system, shaft joint, bearing mounting base, high light-permeable transparent glass rotary disc.Testing agency includes that position detection unit, high-speed CCD photography unit, focusing adjust camera lens, super brightness light source lighting unit.
High-speed CCD photography unit quantity six is set, be located at the upper and lower of clear glass rotating disk or marginal position, high-speed CCD photography unit front end connects focusing and adjusts camera lens.Adjust camera lens front in focusing, super brightness light source lighting unit is set, for the image acquisition of two sides upper and lower to electronic element.Adjust between camera lens and super brightness light source lighting unit in focusing, the corner cube prism that can make opticpath break-in can be set up, for inside and outside electronic element, the image acquisition of front and back four sides, such as Fig. 1, shown in 5.
It is identical with high-speed CCD photography unit that super brightness light source lighting unit arranges quantity, needs by detection each side of electronic element, side light source, lower side light source, inner side light source, outside light source, front side light source and rear side light source are set, for upside, downside, inner side, outside, front side and rear side detection to electronic element.
Each side light source is made up of double light sources respectively, and wherein double combination of light sources of upper and lower sides light source are 1/4 sphere high-brightness LED lamp and point source, and point source is near high-speed CCD photography unit, and 1/4 sphere high-brightness LED lamp is near electronic element.Double combination of light sources for interior outside, front and back side light source are 1/4 sphere high-brightness LED lamp and three plate-shaped light source, and three plate-shaped light source are near high-speed CCD photography unit, and 1/4 sphere high-brightness LED lamp is near electronic element.Each side light source is provided with high-speed CCD photography unit and gathers image breach, as shown in Fig. 5,6,7.
Material guide mechanism critical piece is guide pad, guide pad 21 uses arc guide track configuration, its arc such as edge of a knife thickness thinned structure, very thin with product contact side, this structure can reduce electronic element when High Speed Transfer with the impulsive force of arc guide track and frictional force, not generating element bounce-back and stick up tail phenomenon, arc guide track is the thickest the biggest on High Speed Transfer impact, the High Speed Transfer collision rift self-adaptative adjustment time is the shortest, easily has a rebound and sticks up tail phenomenon.Realize electronic element carries out inner edge and twice automatic guiding position respectively, outside.Sorting mechanism includes that ultrahigh speed electromagnetic valve, pin hole blow stub bar and hopper mechanism, hopper mechanism is provided with qualified storehouse, Nonconforming Parts Area, resurvey storehouse and exhaust chamber, the response frequency of described ultrahigh speed electromagnetic valve reaches 10,000 times per second, exhaust chamber is set and reduces high velocity air entrance qualified storehouse, Nonconforming Parts Area, storehouse of resurveying, eliminate electronic element collision under air-flow drives and cause secondary damage；
Control system and feed mechanism, material guide mechanism, transparent rotating disk conveying mechanism, testing agency, sorting mechanism electrical connection, control system is made up of industrial control computer, motion-control module, image capture module and light source control module series, being run by human-machine operation software system and control, the CPU of industrial control computer is inteli5 or above array configuration.
Fig. 8 is material guide mechanism enlarged diagram in Fig. 1, and Fig. 9 is material guide mechanism schematic perspective view.
The design inspiration of the double light source of the present invention comes from film studio light configuration and the shadowless lamp system of medical institutions' use of specialty, and the film studio light of specialty is divided into main light source, upper left side light source, lower right side light source, rear side light source.After so opening light, shooting out full by object image, there is not under-exposure and cause not fogging problem, after being applied to the present invention, more than the image definition twice of electronic element shooting, Detection results and efficiency are greatly improved, two model machines that the applicant produces are sold out by client, after client is on probation, feedback effects is fabulous, has been proposed that now purpose order 50 multiple stage, is the big customer of domestic electronic element volume of production and marketing top ten list.
The present invention and the technical-economic index contrast table of present technology Korea S R corporate device, be shown in accompanying drawing 11.In figure visible, every technical-economic index of the present invention all ratio Korea S R corporate device are advanced, and come into the popularization and application stage, and future is the brightest.
Claims (2)
1. an electronic element high speed visual inspection machine, it includes feed mechanism, material guide mechanism, transparent rotating disk conveying mechanism, testing agency, sorting mechanism and the control system that order is arranged, it is characterised in that:
Described feed mechanism, including the feeder, bowl hopper feeder, straight line feeder and the material returning device that arrange by testing process order, the inspection material sensor that can control feeder feed supplement it is provided with on bowl hopper feeder, straight line feeder is provided with feedback outlet connection material returning device, the outlet bowl hopper feeder of material returning device；
Described transparent rotating disk conveying mechanism is made up of servo drive system, shaft joint, bearing mounting base, high light-permeable transparent glass rotary disc；
Described testing agency includes that position detection unit, high-speed CCD photography unit, focusing adjust camera lens, super brightness light source lighting unit；Described position detection unit, is located at the top of clear glass rotating disk and between straight line feeder outlet and high-speed CCD photography unit；
Described high-speed CCD photography unit arrange quantity at least one, at most six, it is located at the upper and lower of clear glass rotating disk or marginal position, complete on the upside of electronic element, downside, inner side, outside, front side and the image acquisition of rear side, in high-speed CCD photography unit front end, connect focusing and adjust camera lens, adjust camera lens front in focusing, super brightness light source lighting unit is set, for the image acquisition of two sides upper and lower to electronic element；Adjust between camera lens and super brightness light source lighting unit in focusing, the corner cube prism that can make opticpath break-in can be set up, for inside and outside electronic element, the image acquisition of front and back four sides；
It is identical with high-speed CCD photography unit that described super brightness light source lighting unit arranges quantity, by the needs of detection each side of electronic element, can arrange side light source, lower side light source, inner side light source, outside light source, front side light source and rear side light source；Each side light source is made up of double light sources respectively, and wherein double combination of light sources of upper and lower sides light source are 1/4 sphere high-brightness LED lamp and point source, and double combination of light sources inside and outside, side light source front and back are 1/4 sphere high-brightness LED lamp and three plate-shaped light source；1/4 sphere high-brightness LED lamp, three plate-shaped light source and point source are respectively equipped with multichannel controllable LED lamp group, adjustable all directions brightness and generation stroboscopic high brightness and control, it is possible to be respectively provided with red, green, blue, white lamp bead；Described each side light source is provided with high-speed CCD photography unit and gathers image breach.
A kind of electronic element high speed visual inspection machine the most according to claim 1, it is characterised in that:
Described material guide mechanism is made up of two groups of guide pads inside and outside front and back staggering, and guide pad uses arc guide track configuration, it is achieved electronic element carries out inner edge and twice automatic guiding position respectively, outside；
After described sorting mechanism is located at testing agency, stub bar and hopper mechanism is blown including ultrahigh speed electromagnetic valve, pin hole, hopper mechanism is provided with qualified storehouse, Nonconforming Parts Area, resurvey storehouse and exhaust chamber, the response frequency of described ultrahigh speed electromagnetic valve reaches 10,000 times per second, exhaust chamber is set and reduces high velocity air entrance qualified storehouse, Nonconforming Parts Area, storehouse of resurveying, eliminate electronic element collision under air-flow drives and cause secondary damage；
Described control system and feed mechanism, material guide mechanism, transparent rotating disk conveying mechanism, testing agency, sorting mechanism electrical connection, control system is made up of industrial control computer, motion-control module, image capture module and light source control module series, being run by human-machine operation software system and control, the CPU of industrial control computer is inteli5 or above array configuration.
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| CN111715558B (en) * | 2019-03-07 | 2022-11-29 | 东莞市雅创自动化科技有限公司 | Automatic detection and screening system with multiple conveying discs |
| CN111715558A (en) * | 2019-03-07 | 2020-09-29 | 东莞市雅创自动化科技有限公司 | Automatic detection and screening system with multiple conveying discs |
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| CN111515136A (en) * | 2020-04-09 | 2020-08-11 | 南京华群光电技术有限公司 | Pneumatic screening type part surface detection device |
| CN111644428A (en) * | 2020-06-13 | 2020-09-11 | 金动力智能科技（深圳）有限公司 | Full-automatic laser paint stripping and identifying integrated machine |
| CN111644428B (en) * | 2020-06-13 | 2021-08-17 | 金动力智能科技（深圳）有限公司 | Full-automatic laser paint stripping and identifying integrated machine |
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| CN112683792B (en) * | 2020-11-23 | 2023-08-29 | 光子(深圳)精密科技有限公司 | Graphite flake appearance defect detection system |
| CN112683792A (en) * | 2020-11-23 | 2021-04-20 | 光子(深圳)精密科技有限公司 | System for graphite flake appearance defects |
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| CN113941517A (en) * | 2021-10-14 | 2022-01-18 | 武汉瑞杰行智能科技有限公司 | Product visual sorting equipment and sorting method thereof |
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