CN103364406B - Bearing rolling element detector based on high-resolution CCD (Charge Coupled Device) technology - Google Patents
Bearing rolling element detector based on high-resolution CCD (Charge Coupled Device) technology Download PDFInfo
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- CN103364406B CN103364406B CN201210372221.2A CN201210372221A CN103364406B CN 103364406 B CN103364406 B CN 103364406B CN 201210372221 A CN201210372221 A CN 201210372221A CN 103364406 B CN103364406 B CN 103364406B
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Abstract
The invention relates to a bearing rolling element detector based on a high-resolution CCD (Charge Coupled Device) technology. The bearing rolling element detector comprises a feeding and positioning device, a CCD image collecting and analyzing device and an automatic sorting device, wherein the feeding and positioning device comprises a transmission device, a camera positioning device and a CCD photographing box; the CCD image collecting and analyzing device comprises a photographing trigger switch, a position detecting device, a plurality of CCD cameras, an image processing module, an image analyzing module and a control output interface; the automatic sorting device comprises a sorting and feeding device, a sorting table, a sorting controller, a movable push plate, a qualified product discharging device and an unqualified product discharging device. The bearing rolling element detector provided by the invention adopts the combination of the high-resolution CCD technology and an image processing analysis algorithm so as to automatically photograph, analyze, judge and sort bearing rolling elements, so that the detecting precision and efficiency are greatly improved.
Description
Technical field
The present invention relates to a kind of detection technique of bearing roller, particularly a kind of bearing roller detector based on high-resolution CCD technology.
Background technology
Along with the development of CCD technology, the on-line checkingi that CCD video imaging technique is applied to industrial products become possibility, ccd image is directly perceived with it, efficient, clear, be convenient to the extensive accreditation that the outstanding feature such as analytic statistics and storage obtains user.
Bearing roller is the vitals of bearing, and the quality of its quality directly affects reliability and the life-span of bearing.Current bearing roller mainly adopts following several detection method:
Artificial visually examine's method, it carries out visualize by human eye to the surface of bearing roller and end face, rolling body can be observed whether to have flaw by means of magnifier.The defect of this kind of detection method needs a large amount of testing staff, and the eyes of people are observed for a long time and easily produced fatigue, have influence on quality and the efficiency of detection.
Electromagnetic eddy detection method, it is that the electric current passed through under certain condition is constant by passing into alternating current to a coil, if coil near measured bearing rolling body, this bearing element surface can induce eddy current, and by vortes interference, coil current can change.Because whether the size of eddy current has defect and different with bearing element surface, so the size of coil current change can reflect that bearing element surface is with or without defect.Although this kind of detection method can carry out high speed detection, easily be automated, be not suitable for complex-shaped part, and can only detect surface and the near surface flaw of conductive material, testing result is also easy to the interference being subject to material itself and other factors.
Ultrasonic detection method, it is the depths utilizing Ultrasonic penetration metal material, and when entering another cross section by a cross section, a kind of method of bearing element volume defect is checked in the feature of interface edge generation reflection, when ultrasonic beam passes to metal inside from bearing element surface by probe, just there is reflection wave respectively when running into defect and bearing roller bottom surface, video screen forms pulse waveform, judges defective locations and size according to these pulse waveforms.This kind of detection method not only requires that workpiece working surface is level and smooth, also requires that exper ienced reviewer just can distinguish defect kind, does not have intuitive to defect.
Magnetic powder detection method, it is used to a kind of detection method detecting ferrimagnet surface and near surface flaw.When bearing roller magnetizes, if bearing element surface defectiveness exists, the magnetic resistance of this fault location can increase and produce leakage field, forms local magnetic field, the magnetic just shape of display defect and position herein, thus judges the existence of defect.But this kind of detection method can not find bearing roller surface pores, folder quarrel and be hidden in the defect of weld seam depths.
As can be seen here, the above-mentioned existing detection method to bearing roller, obviously still has inconvenience and defect, and is urgently further improved.
Summary of the invention
The object of the present invention is to provide a kind of bearing roller detector based on high-resolution CCD technology, it adopts the integration technology of high-resolution CCD technology and image processing and analyzing algorithm, automatic camera, analysis, judgement and sorting can be carried out to bearing roller, greatly improve precision and the efficiency of detection.
The object of the invention is to realize by the following technical solutions.A kind of bearing roller detector based on high-resolution CCD technology of the present invention, it comprises: charging positioning device, comprises gearing, take pictures locating device and CCD take pictures casing, wherein, this gearing is connected with locating device of taking pictures, and take pictures locating device and CCD take pictures, casing is connected; Ccd image acquisition and analysis device, comprise trigger switch of taking pictures, position detecting device, multiple CCD camera, image processing module, image analysis module and control output interface, wherein, trigger switch of taking pictures is connected with position detecting device, be connected with multiple CCD camera again simultaneously, described multiple CCD camera is connected with image processing module respectively, meanwhile, image processing module is connected with image analysis module, image analysis module is connected with control output interface, controls output interface and is connected with position detecting device and selection control device again; And automatic sorting device, comprise sorting feeding device, sorting table, selection control device, movable push, certified products blanking device and non-certified products blanking device, wherein, this sorting feeding device is connected with sorting table, sorting table is connected with certified products blanking device, non-certified products blanking device and movable push, and movable push is connected with selection control device again.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, the aforesaid bearing roller detector based on high-resolution CCD technology, what wherein this CCD camera adopted is the clear veneer camera of Miniature high-definition.
Preferably, the aforesaid bearing roller detector based on high-resolution CCD technology, wherein the optimal number of this CCD camera is six.
Preferably, the aforesaid bearing roller detector based on high-resolution CCD technology, wherein adopts mechanical linkage or control cables to connect between each device.
Preferably, the aforesaid bearing roller detector based on high-resolution CCD technology, wherein this bearing roller can be cylinder, circular cone, sphere or other shape.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, the bearing roller detector that the present invention is based on high-resolution CCD technology at least has following advantages and beneficial effect: the bearing roller detector based on high-resolution CCD technology that the present invention proposes, by the detector built-in CCD high-resolution camera of taking pictures in casing measured bearing rolling body positioned and take pictures, subsequent picture processing module issues image analysis module after image is carried out digitized processing, start the qualified sample pattern be pre-stored within image analysis module and algorithm routine simultaneously, and automatically complete pattern comparison, to selection control device, automatic sorting is carried out to bearing roller by controlling output interface output control command, greatly improve detection efficiency and the accuracy of detection of bearing roller.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1: for the present invention is based on the horizontal schematic diagram of the inner structure of the embodiment of the bearing roller detector of high-resolution CCD technology.
Fig. 2: for the present invention is based on longitudinal schematic diagram of the inner structure of the embodiment of the bearing roller detector of high-resolution CCD technology.
Fig. 3: for the present invention is based on the block diagram of the bearing roller detector of high-resolution CCD technology.
Fig. 4: be the block diagram of the charging positioning device of the embodiment of the present invention.
Fig. 5: be the block diagram of the ccd image acquisition and analysis device of the embodiment of the present invention.
Fig. 6: be the block diagram of the automatic sorting device of the embodiment of the present invention.
[main element symbol description]
101: charging positioning device 102:CCD image acquisition analytical equipment
103: automatic sorting device 201: gearing
202, the locating device 203:CCD that takes pictures take pictures casing
301: trigger switch 302 of taking pictures: position detecting device
303: the one CCD camera 307: the two CCD cameras
308: the three CCD camera 309: the four CCD cameras
310: the five CCD camera 311: the six CCD cameras
304: image processing module 305: image analysis module
306: control output interface 401: sorting feeding device
402: sorting table 405: selection control device
404: movable push 403: certified products blanking device
406: non-certified products blanking device
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to a kind of embodiment of the bearing roller detector based on high-resolution CCD technology proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
With reference to Fig. 1, Fig. 2 and Fig. 3, the present invention is based on the bearing roller detector of high-resolution CCD technology, mainly comprise charging positioning device 101, ccd image acquisition and analysis device 102 and automatic sorting device 103; The mode of mechanical linkage or control cables is wherein adopted to connect between each device.
With reference to Fig. 4, for the present invention is based on the structural representation of the charging positioning device 101 of the bearing roller detector of high-resolution CCD technology, comprise gearing 201, take pictures locating device 202 and CCD take pictures casing 203; Wherein gearing 201 is connected with locating device 202 of taking pictures, and take pictures locating device 202 and CCD take pictures, casing 203 is connected.
The working method of this charging positioning device 101 is that gearing 201 receives bearing roller to be measured, and is delivered to locating device 202 of taking pictures and be fixed screens, then delivers to CCD through driving-belt and to take pictures casing 203.
With reference to Fig. 5, for the present invention is based on the structural representation of the ccd image acquisition and analysis device 102 of the bearing roller detector of high-resolution CCD technology, it is important device of the present invention.In the present embodiment, this ccd image acquisition and analysis device 102 comprises: trigger switch 301 of taking pictures, position detecting device 302, a CCD camera 303, the 2nd CCD camera 307, the 3rd CCD camera 308, the 4th CCD camera 309, the 5th CCD camera 310, the 6th CCD camera 311, image processing module 304, image analysis module 305 and control output interface 306; Wherein, what the one CCD camera 303, the 2nd CCD camera 307, the 3rd CCD camera 308, the 4th CCD camera 309, the 5th CCD camera 310 and the 6th CCD camera 311 adopted is the clear veneer camera of Miniature high-definition, and be positioned at CCD and take pictures the middle position of six inside surfaces of casing 203, and image processing module 304 adopts AD company ADV7123 acquisition chip, image analysis module 305 adopts TI company's T VP5147 to scheme aobvious chip.It should be noted that the present invention does not limit particular type and the particular location of CCD camera, image processing module and image analysis module, can determine according to actual demand.
In described ccd image acquisition and analysis device 102, wherein this trigger switch 301 of taking pictures is connected with position detecting device 302, simultaneously again with a CCD camera 303, 2nd CCD camera 307, 3rd CCD camera 308, 4th CCD camera 309, 5th CCD camera 310 and the 6th CCD camera 311 connect, described multiple CCD camera is connected with image processing module 304 respectively, meanwhile, image processing module 304 is connected with image analysis module 305, image analysis module 305 is connected with control output interface 306, control output interface 306 to be connected with position detecting device 302 and selection control device 405 again.The working method of this ccd image acquisition and analysis device 102 is: position detecting device 302 receive from CCD take pictures casing 203 bearing roller to be measured after, to taking pictures, trigger switch 301 sends control command; A CCD camera 303, the 2nd CCD camera 307, the 3rd CCD camera 308, the 4th CCD camera 309, the 5th CCD camera 310 and the 6th CCD camera 311 is started by trigger switch 301 of taking pictures, a CCD camera 303, the 2nd CCD camera 307, the 3rd CCD camera 308, the 4th CCD camera 309, the 5th CCD camera 310 and the 6th CCD camera 311 are taken pictures to the bearing roller on position detecting device 302 simultaneously subsequently, and the picture of shooting is sent to image processing module 304; After the picture of this image processing module 304 to shooting carries out digital coding process, send it to image analysis module 305; The image of the qualified samples be stored in advance in this module and the image from image processing module 304 are analyzed by this image analysis module 305, and export control command to controlling output interface 306, and this control command is divided into 0 and 1; After this control output interface 306 receives control command 0 or 1, send instruction to position detecting device 302; Bearing roller is delivered to sorting feeding device 401 through driving-belt after receiving the instruction from control output interface 306 by this position detecting device 302.
With reference to Fig. 6, for the present invention is based on the structural representation of the automatic sorting device 103 of the bearing roller detector of high-resolution CCD technology.This automatic sorting device 103 comprises sorting feeding device 401, sorting table 402, selection control device 405, movable push 404, certified products blanking device 403 and non-certified products blanking device 406; Wherein, this sorting feeding device 401 is connected with sorting table 402, and sorting table 402 is connected with certified products blanking device 403, non-certified products blanking device 406 and movable push 404, and movable push 404 is connected with selection control device 405.
The working method of this automatic sorting device 103 is: this sorting feeding device 401 receives the bearing roller from position detecting device 302 in ccd image acquisition and analysis device 102 and delivers to sorting table 402; Meanwhile, this selection control device 405 accepts the control command from controlling output interface 306, and carries out analysis judgement to this control command; When the control command that selection control device 405 receives is 0, it does not send instruction to movable push 404, and the bearing element cognition on sorting table 402 delivers to certified products blanking device 403 through driving-belt, then sends in finished product box; When the control command that selection control device 405 receives is 1, selection control device 405 sends instruction to movable push 404, and the bearing roller on sorting table 402 is pushed non-certified products blanking device 406 by movable push 404 generation action, then delivers to substandard products box.
Generally speaking, this automatic sorting device 103 is the devices exporting qualified bearing roller or non-qualified bearing roller, the certified products blanking device 403 that it comprises can deliver to finished product box by detecting qualified bearing roller through driving-belt, wait until packaging, but not underproof for detection bearing roller can be sent in substandard products box by certified products blanking device 406, waits until reparation.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (3)
1. the bearing roller detector based on high-resolution CCD technology, be made up of charging positioning device, ccd image acquisition and analysis device and automatic sorting device, described charging positioning device, comprise gearing, take pictures locating device and CCD take pictures casing, wherein, this gearing is connected with locating device of taking pictures, and take pictures locating device and CCD take pictures, casing is connected, described ccd image acquisition and analysis device, comprise trigger switch of taking pictures, position detecting device, multiple CCD camera, image processing module, image analysis module and control output interface, wherein, trigger switch of taking pictures is connected with position detecting device, be connected with multiple CCD camera again simultaneously, described multiple CCD camera is connected with image processing module respectively, meanwhile, image processing module is connected with image analysis module, image analysis module is connected with control output interface, control output interface to be connected with position detecting device and selection control device again, and multiple CCD camera, image processing module and image analysis module are positioned at CCD and take pictures on the inside surface of casing, described automatic sorting device, comprise sorting feeding device, sorting table, selection control device, movable push, certified products blanking device and non-certified products blanking device, wherein, this sorting feeding device is connected with sorting table, sorting table and certified products blanking device, non-certified products blanking device and movable push connect, movable push is connected with selection control device again, it is characterized in that: described CCD camera is six clear veneer cameras of Miniature high-definition, six clear veneer cameras of Miniature high-definition lay respectively at CCD and to take pictures the middle position of six inside surfaces of casing, described position detecting device is arranged on CCD and takes pictures in casing, locating device of taking pictures is arranged on gearing, gearing receives bearing roller to be measured, and delivered to after locating device of taking pictures is fixed screens, deliver to the position detecting device that CCD takes pictures in casing, after position detecting device receives bearing roller to be measured, to taking pictures, trigger switch sends control command, start six CCD cameras by trigger switch of taking pictures to take pictures to the bearing roller on position detecting device simultaneously, and the picture of shooting is sent in the image processing module with ADV7123 acquisition chip, send it in the image analysis module with the aobvious chip of TVP5147 figure after process, control command after analysis exports by controlling output interface, wherein position detecting device is issued in a road instruction, by position detecting device, bearing roller is delivered to sorting feeding device, selection control device is issued in another road instruction, the bearing roller that sorting feeding device is delivered to sorting table by selection control device control movable push pushes non-certified products blanking device, or make bearing roller deliver to certified products blanking device, to realize the sorting to bearing roller.
2. the bearing roller detector based on high-resolution CCD technology according to claim l, is characterized in that, wherein adopts mechanical linkage or control cables to connect between each device.
3. the bearing roller detector based on high-resolution CCD technology according to claim l, is characterized in that, wherein this bearing roller can be cylinder, circular cone, sphere or other shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372221.2A CN103364406B (en) | 2012-09-28 | 2012-09-28 | Bearing rolling element detector based on high-resolution CCD (Charge Coupled Device) technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372221.2A CN103364406B (en) | 2012-09-28 | 2012-09-28 | Bearing rolling element detector based on high-resolution CCD (Charge Coupled Device) technology |
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| CN103364406A CN103364406A (en) | 2013-10-23 |
| CN103364406B true CN103364406B (en) | 2014-12-17 |
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| CN104515862A (en) * | 2015-01-20 | 2015-04-15 | 环旭电子股份有限公司 | Automatic optical inspection method and automatic optical inspection system for implementing same |
| CN105214963B (en) * | 2015-10-28 | 2018-04-13 | 苏州听毅华自动化设备有限公司 | A kind of automatic discharge unit for ball sorting |
| CN105911063A (en) * | 2016-06-01 | 2016-08-31 | 安瑞装甲材料（芜湖）科技有限公司 | Explosion-proof glass surface defect inspection system |
| CN106493090A (en) * | 2016-10-20 | 2017-03-15 | 北京金贝诺科技有限公司 | A kind of bearing parts automatic sorting method |
| CN106932402A (en) * | 2017-04-11 | 2017-07-07 | 常熟冠林汽车饰件有限公司 | A kind of vehicle steering air-bag shell part double-digit detection device |
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| JP2004012257A (en) * | 2002-06-06 | 2004-01-15 | Yamaha Fine Technologies Co Ltd | Appearance inspection device and appearance inspection method for work |
| CN2903980Y (en) * | 2006-04-29 | 2007-05-23 | 丁少华 | Fast tester for surface defect of small column part |
| CN101221134A (en) * | 2007-01-10 | 2008-07-16 | 宁波工程学院 | Method and device for detecting tiny bearing surface defect by computer vision technology |
| JP2009154084A (en) * | 2007-12-26 | 2009-07-16 | Satake Corp | Optical grain grader |
| CN202939135U (en) * | 2012-09-28 | 2013-05-15 | 洛阳久德轴承模具技术有限公司 | Detector for bearing roller based on high-resolution CCD technology |
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Granted publication date: 20141217 Termination date: 20200928 |