CN104089960A - Device and method for detecting defects on surface of conical bearing roller - Google Patents
Device and method for detecting defects on surface of conical bearing roller Download PDFInfo
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- CN104089960A CN104089960A CN201410334339.5A CN201410334339A CN104089960A CN 104089960 A CN104089960 A CN 104089960A CN 201410334339 A CN201410334339 A CN 201410334339A CN 104089960 A CN104089960 A CN 104089960A
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Abstract
The invention discloses a device and a method for detecting defects on the surface of a conical bearing roller, belongs to the technical field of photoelectric detection, and aims to solve the problems of inaccuracy in artificial detection, injury to human eyes, low detection efficiency and high cost. According to the invention, a feed hopper of the device is arranged at the inlet end of a material passage, and a drive plate close to the upper part of the outlet end of the material passage intermittently drives the conical bearing roller; the inlet end of a detection table is connected with the outlet end of the material passage, a friction wheel is arranged at the outlet end of the detection table, the friction wheel is matched with the conical bearing roller at the outlet end of the detection table, and the friction wheel is connected with a conveying belt through a baffle; a charge coupled device (CCD) camera is arranged above the outlet end of the detection table, a light source is arranged between the CCD camera and the detected conical bearing roller, and an ejection device is arranged at one end, connected with the baffle, of the conveying belt. According to the method, an image of the surface of the detected conical bearing roller is acquired in real time through the CCD camera and transmitted to an industrial personal computer to judge whether defects exit, and the industrial personal computer controls the ejection device to eject the conical bearing roller with defects.
Description
Technical field
The invention belongs to photoelectric detection technology field, be specifically related to a kind of conical bearing roller surface flaw inspection device and method.
Background technology
For rolling bearing, because bearing roller rolls in the time working, therefore its surface quality has directly determined the serviceability of bearing, or even serviceable life.In the process of bearing roller, due to the factor of the aspect such as process equipment and starting material, can cause roller surface to produce the small surface imperfection such as scuffing, scratch, impurity, point, these defects are referred to as the beauty defects of roller.Affecting in the factors such as bearing life, precision and noise, bearing roller surfaceness accounts for 50% left and right of various influence factors, therefore bearing roller must carry out strict beauty defects detection to it before dispatching from the factory, and to ensure that roller surface has smooth enough degree, thereby improves bearing quality.
GB/T25767-2010 rolling bearing taper roller regulation, bearing roller detection ratio should be 100%.At present, domestic Production of bearing manufacturer does not also have large-area applications to detect the equipment of bearing roller surface quality, and the detection method existing at present comprises that the non-destructive detecting device of the method such as manual detection method and application photoelectric technology, electromagnetic induction technology or ultrasonic technology detects bearing roller beauty defects.
Because human factor impact is very large, there is following shortcoming in the method for manual detection: the one, and individual criterion is had nothing in common with each other, thus the objectivity that impact detects; The 2nd, the factors such as visual fatigue can affect the reliability of detection, thereby affect the detection quality of bearing roller; The 3rd, manual detection method will be asked for help and under light diffuser, directly be observed the bearing roller surface that is similar to minute surface, can cause great injury to people's eyesight; The 4th, manual detection efficiency is low, needs a large amount of artificial participations, has caused great waste of human resource, causes bearing roller testing cost to improve.
Photoelectric detecting technology is by laser beam emitting device irradiation axis bearing roller surface, the photoresistance that the reflected light producing is positioned at homonymy receives, as having defect, roller surface occurs, catoptrical intensity will change, thereby cause the variation of photocurrent, form pulse signal, the width of pulse changes with the size of defect, judges whether existing of defect with this.The shortcoming of this detection method is that some trickle vibrations or transverse shifting will have certain influence to accuracy of detection, is not suitable for the detection of in factory floor, roller being carried out beauty defects.
At electromagnetic induction technical elements, what application was more at present is eddy current testing method, the method is that bearing roller is placed in to alternating magnetic field, identify bearing roller defect by its inner size of vortex flow and variation of distribution situation producing, the method is bad to the detection effect of the defects such as bearing roller surface spot, and the method is very easily subject to other magnetic interference and affects detection effect, therefore be not also suitable for factory floor and use, the equipment of domestic application the method also only limits to, in laboratory, some high-accuracy bearing rollers are carried out to sampling Detection at present.
Aspect ultrasonic technology, mainly to utilize ultrasound wave in different medium, different interfaces can produce different wave principle while propagation detects, if bearing roller surface defectiveness, injecting the ultrasound wave of bearing roller inside can be returned by these defect reflections, zero defect as surperficial in it, the ultrasound wave of injecting is just reflected back after can arriving bearing roller bottom, by to probe collect come reflection wave carry out to recently judging whether bearing roller surface exists defect, while detecting bearing roller beauty defects by the method, need defect enough large or concentrate in together, otherwise probe is just difficult to receive the sound wave that defect reflection is returned, and the method requires also very high to the environment of plant, be not suitable for the detection to bearing roller beauty defects.
Summary of the invention
The object of the invention is to propose a kind of conical bearing roller surface flaw inspection device and method, solve the manual detection that prior art exists inaccurate, human eye is caused to certain damage, detection efficiency is low and testing cost is high problem, realize the detection of at factory floor, roller being carried out beauty defects.
For achieving the above object, conical bearing roller surface flaw inspection device of the present invention comprises feeder hopper, material road, driver plate, CCD camera, industrial computer, light source, friction pulley, monitor station, baffle plate, catapult-launching gear and travelling belt;
Described feeder hopper is arranged on the inlet end in described material road, and the inlet end in described material road is higher than endpiece slant setting, and described driver plate is arranged on the top near described material road endpiece, intermittently stirs conical bearing roller by driver plate;
Described monitor station inlet end is connected with the endpiece in described material road, and monitor station endpiece is provided with friction pulley, and described friction pulley coordinates with the conical bearing roller of described monitor station endpiece, and described friction pulley is connected with described travelling belt by baffle plate; Directly over described monitor station endpiece, be provided with CCD camera, between described CCD camera and detected conical bearing roller, be provided with light source, described CCD camera and light source whole installation are in opaque detection cover, and the one end being connected with described baffle plate on described travelling belt is provided with catapult-launching gear;
The image transmitting of described CCD collected by camera, to industrial computer, ejects the conical bearing roller that has defect by industrial computer control catapult-launching gear.
Described material road is rotation material road, and the radius in described rotation material road is identical with the radius of described conical bearing roller outwardly deploying face.
Described travelling belt is groove travelling belt, and the groove of described groove travelling belt conforms to conical bearing roller.
Described monitor station is bucking ladder, and the pitch angle of described bucking ladder upper surface is identical with the cone angle of 1/2nd conical bearing rollers.
Based on the detection method of conical bearing roller surface flaw inspection device, comprise the following steps:
Step 1: pour conical bearing roller into feeder hopper, make conical bearing roller order arrange and send into rotation material road;
Step 2: driver plate rotates 1/4 circle, and a conical bearing roller is sent on monitor station;
Step 3: friction pulley rotates and drives the detected conical bearing roller of monitor station endpiece to do expansion motion, and described CCD camera launches in real time the detected conical bearing roller surface of motion and takes to doing, and picture is transferred to industrial computer;
Step 4: described industrial computer carries out image pre-service and defect recognition by image processing software to taking the picture obtaining in step 3, by the bearing roller surface complete image forming after the splicing of conical surface multiple image, pretreated image and default standard picture are compared, judge whether detected conical bearing roller is the conical bearing roller that has defect, if, execution step five, if not, execution step six;
Step 5: driver plate rotates 1/4 circle, and conical bearing roller to be detected rolls down, and the conical bearing roller that detection is completed releases and enters groove travelling belt, by the motion of industrial computer control catapult-launching gear, ejects the conical bearing roller that has defect;
Step 6: driver plate rotates 1/4 circle, and roller to be detected rolls down, and the roller that completes detection is released and entered groove travelling belt, conical bearing roller detection being completed by groove travelling belt transports out;
Step 7: repeating step two is to step 6, until all conical bearing rollers have detected.
Beneficial effect of the present invention is: conical bearing roller surface flaw inspection device and method of the present invention is by carrying out image acquisition to detected conical bearing roller in real time, and by the image processing software in industrial computer to detected image processing, and determine whether defect conical bearing roller, by electromagnetic launch device, the conical bearing roller that has defect is launched out to travelling belt, realize the automatic detection of conical bearing roller surface defect, image information that can Real-time Obtaining conical bearing roller defect in testing process, and can automatically complete the rejecting to defect roller, overcome manual detection method efficiency low, the inferior positions such as the high and examination criteria disunity of cost, require low to working environment, can under rugged environment, work, traditional photoelectric detection method, eddy current testing method and ultrasonic Detection Method are overcome to the strict inferior position of the requirement of testing environment, improve detection efficiency, reduce testing cost, increase the accuracy rate detecting, realized high automation and high-precision requirement that bearing roller surface is detected, can be widely used in the detection of factory floor to bearing roller beauty defects.
Brief description of the drawings
Fig. 1 is conical bearing roller surface flaw inspection apparatus structure schematic diagram of the present invention;
Fig. 2 is rotation material road schematic diagram in conical bearing roller surface flaw inspection device of the present invention;
Fig. 3 is conical bearing roller motion schematic diagram on monitor station in conical bearing roller surface flaw inspection device of the present invention;
Fig. 4 is monitor station schematic diagram in conical bearing roller surface flaw inspection device of the present invention;
Fig. 5 is electromagnetic launch device schematic diagram in conical bearing roller surface flaw inspection device of the present invention.
Fig. 6 is conical bearing roller surface flaw inspection method flow diagram of the present invention;
Wherein: 1, feeder hopper, 2, rotation material road, 3, driver plate, 4, CCD camera, 5, light source, 6, industrial computer, 7, conical bearing roller to be detected, 8, detected conical bearing roller, 9, friction pulley, 10, baffle plate, 11, catapult-launching gear, 12, have a conical bearing roller of defect, 13, travelling belt, 14, monitor station, 15, the conical bearing roller that detected.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
Embodiment mono-:
Referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 and accompanying drawing 5, conical bearing roller surface flaw inspection device of the present invention comprises feeder hopper 1, material road, driver plate 3, CCD camera 4, industrial computer 6, light source 5, friction pulley 9, monitor station 14, baffle plate 10, catapult-launching gear 11 and travelling belt 13;
Described feeder hopper 1 is arranged on the inlet end in described material road, and the inlet end in described material road is higher than endpiece slant setting, and described driver plate 3 is arranged on the top near described material road endpiece, intermittently stirs conical bearing roller by driver plate 3;
Described monitor station 14 inlet ends are connected with the endpiece in described material road, monitor station 14 endpiece are provided with friction pulley 9, described friction pulley 9 coordinates with the conical bearing roller of described monitor station 14 endpiece, and described friction pulley 9 is connected with described travelling belt 13 by baffle plate 10; Directly over described monitor station 14 endpiece, be provided with CCD camera 4, between described CCD camera 4 and detected conical bearing roller, be provided with light source 5, described CCD camera 4 and light source 5 whole installations are in opaque detection cover, the one end being connected with described baffle plate 10 on described travelling belt 13 is provided with catapult-launching gear 11, and described catapult-launching gear 11 is electromagnetic launch device.
The image transmitting that described CCD camera 4 gathers, to industrial computer 6, is controlled catapult-launching gear 11 by industrial computer 6 and is ejected the conical bearing roller 12 that has defect.
Described material road is rotation material road 2, and the radius in described rotation material road 2 is identical with the radius of described conical bearing roller outwardly deploying face, in actual testing process, changes different rotation material roads 2 according to the conical bearing roller of different size.
Described travelling belt 13 is groove travelling belt, and the groove of described groove travelling belt conforms to conical bearing roller.
Described monitor station 14 is bucking ladder, and the pitch angle of described bucking ladder upper surface is identical with the cone angle of 1/2nd conical bearing rollers.
Referring to accompanying drawing 6, based on the detection method of conical bearing roller surface flaw inspection device, comprise the following steps:
Step 1: pour conical bearing roller into feeder hopper 1, make conical bearing roller order arrange and send into rotation material road 2;
Step 2: driver plate 3 rotates 1/4 circle, is sent to a conical bearing roller on monitor station 14;
Step 3: friction pulley 9 rotates and drives the detected conical bearing roller 8 of monitor station 14 endpiece to do expansion motion, and described CCD camera 4 launches motion in real time detected conical bearing roller 8 surfaces to doing are taken, and picture is transferred to industrial computer 6;
Step 4: described industrial computer 6 carries out image pre-service and defect recognition by image processing software to taking the picture obtaining in step 3, by the bearing roller surface complete image forming after the splicing of conical surface multiple image, CCD splices after gathering multiple pictures; Pretreated image and default standard picture are compared, judged whether detected conical bearing roller 8 is the conical bearing roller 12 that has defect, if, it is the conical bearing roller 12 that defect exceeds allowed band and be defined as defect, execution step five, if not, execution step six;
Step 5: driver plate 3 rotates 1/4 circle, conical bearing roller 7 to be detected rolls down, and the conical bearing roller 15 that detection is completed releases and enter groove travelling belt 13, controls catapult-launching gear 11 move by industrial computer 6, ejects the conical bearing roller 12 that has defect;
Step 6: driver plate 3 rotates 1/4 circle, roller to be detected rolls down, and the roller that completes detection is released and entered groove travelling belt 13, and the conical bearing roller 15 detection being completed by groove travelling belt 13 transports out;
Step 7: repeating step two is to step 6, until all conical bearing rollers have detected.
Embodiment bis-:
The difference of the present embodiment and embodiment mono-is: described material road is trapezoidal material road, and the pitch angle of the upper surface in described trapezoidal material road is identical with the cone angle of 1/2nd conical bearing rollers.
Claims (5)
1. conical bearing roller surface flaw inspection device, it is characterized in that, comprise feeder hopper (1), material road, driver plate (3), CCD camera (4), industrial computer (6), light source (5), friction pulley (9), monitor station (14), baffle plate (10), catapult-launching gear (11) and travelling belt (13);
Described feeder hopper (1) is arranged on the inlet end in described material road, the inlet end in described material road is higher than endpiece slant setting, described driver plate (3) is arranged on the top near described material road endpiece, intermittently stirs conical bearing roller by driver plate (3);
Described monitor station (14) inlet end is connected with the endpiece in described material road, monitor station (14) endpiece is provided with friction pulley (9), described friction pulley (9) coordinates with the conical bearing roller of described monitor station (14) endpiece, and described friction pulley (9) is connected with described travelling belt (13) by baffle plate (10); Directly over described monitor station (14) endpiece, be provided with CCD camera (4), between described CCD camera (4) and detected conical bearing roller, be provided with light source (5), described CCD camera (4) and light source (5) whole installation are in opaque detection cover, and the upper one end being connected with described baffle plate (10) of described travelling belt (13) is provided with catapult-launching gear (11);
The image transmitting that described CCD camera (4) gathers, to industrial computer (6), is controlled catapult-launching gear (11) by industrial computer (6) and is ejected the conical bearing roller (12) that has defect.
2. conical bearing roller surface flaw inspection device according to claim 1, it is characterized in that, described material road is rotation material road (2), and the radius in described rotation material road (2) is identical with the radius of described conical bearing roller outwardly deploying face.
3. conical bearing roller surface flaw inspection device according to claim 1, it is characterized in that, described travelling belt (13) is groove travelling belt (13), and the groove of described groove travelling belt (13) conforms to conical bearing roller.
4. conical bearing roller surface flaw inspection device according to claim 1, is characterized in that, described monitor station (14) is bucking ladder, and the pitch angle of described bucking ladder upper surface is identical with the cone angle of 1/2nd conical bearing rollers.
5. the detection method of conical bearing roller surface flaw inspection device according to claim 1, is characterized in that, comprises the following steps:
Step 1: pour conical bearing roller into feeder hopper (1), make conical bearing roller order arrange and send into rotation material road (2);
Step 2: driver plate (3) rotates 1/4 circle, and a conical bearing roller is sent on monitor station (14);
Step 3: friction pulley (9) rotates and drives the detected conical bearing roller (8) of monitor station (14) endpiece to do expansion motion, described CCD camera (4) launches in real time detected conical bearing roller (8) surface of motion and takes to doing, and picture is transferred to industrial computer (6);
Step 4: described industrial computer (6) carries out image pre-service and defect recognition by image processing software to taking the picture obtaining in step 3, by the bearing roller surface complete image forming after the splicing of conical surface multiple image, pretreated image and default standard picture are compared, judge whether detected conical bearing roller (8) is the conical bearing roller (12) that has defect, if, execution step five, if not, execution step six;
Step 5: driver plate (3) rotates 1/4 circle, conical bearing roller to be detected (7) rolls down, and the conical bearing roller (15) that detection is completed release enters groove travelling belt (13), control catapult-launching gear (11) motion by industrial computer (6), eject the conical bearing roller (12) that has defect;
Step 6: driver plate (3) rotates 1/4 circle, roller to be detected rolls down, and the roller that completes detection is released and entered groove travelling belt (13), the conical bearing roller (15) detection being completed by groove travelling belt (13) transports out;
Step 7: repeating step two is to step 6, until all conical bearing rollers have detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410334339.5A CN104089960A (en) | 2014-07-15 | 2014-07-15 | Device and method for detecting defects on surface of conical bearing roller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410334339.5A CN104089960A (en) | 2014-07-15 | 2014-07-15 | Device and method for detecting defects on surface of conical bearing roller |
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| CN104089960A true CN104089960A (en) | 2014-10-08 |
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| CN201410334339.5A Pending CN104089960A (en) | 2014-07-15 | 2014-07-15 | Device and method for detecting defects on surface of conical bearing roller |
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Cited By (14)
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| CN104567677A (en) * | 2015-01-05 | 2015-04-29 | 江苏大学 | Multi-index high-speed dynamic detection and material dividing method and device of annular sliding bearing |
| CN105352916A (en) * | 2015-11-27 | 2016-02-24 | 江苏理工学院 | Spinning machine roller surface quality detecting device based on laser diffraction and working method |
| CN105415871A (en) * | 2015-11-27 | 2016-03-23 | 荣昌精密机械(苏州)有限公司 | Printing assembly line mechanism |
| CN106290401A (en) * | 2016-08-22 | 2017-01-04 | 福州觉感视觉软件科技有限公司 | A kind of seamless tin picture collection device and figure chip detection method thereof |
| CN106404801A (en) * | 2016-11-10 | 2017-02-15 | 哈尔滨理工大学 | Bearing cylindrical roller whole-surface detection mechanism |
| CN106501273A (en) * | 2016-12-30 | 2017-03-15 | 河南奇测电子科技有限公司 | Cylindrical work vision-based detection streamline and its side face detection means |
| CN106494865A (en) * | 2016-10-21 | 2017-03-15 | 温州中科包装机械有限公司 | Carton conveying point spacing mechanism |
| WO2017186047A1 (en) * | 2016-04-28 | 2017-11-02 | 杭州乔戈里科技有限公司 | Transfer device, and rolling item detection system and method |
| CN107907546A (en) * | 2017-12-06 | 2018-04-13 | 华南理工大学 | A kind of defects of vision detection method and system based on intelligent mobile terminal |
| WO2018165978A1 (en) * | 2017-03-14 | 2018-09-20 | 东莞理工学院 | Surface flaw detector and surface detection mehtod |
| CN108871001A (en) * | 2017-05-15 | 2018-11-23 | 广东科达洁能股份有限公司 | A kind of kiln of view-based access control model sensor breaks stick detection system and method |
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| CN109975317A (en) * | 2019-04-23 | 2019-07-05 | 新昌浙江工业大学科学技术研究院 | The full surface flaw detecting method of cylindrical roller |
| CN114965489A (en) * | 2022-04-20 | 2022-08-30 | 江苏品德机电科技有限公司 | Conveying line with surface defect detection function for machining ball screw pair |
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| CN104567677A (en) * | 2015-01-05 | 2015-04-29 | 江苏大学 | Multi-index high-speed dynamic detection and material dividing method and device of annular sliding bearing |
| CN104567677B (en) * | 2015-01-05 | 2017-04-05 | 江苏大学 | Annular sliding bearing multi objective high speed dynamic detection and distribution method and device |
| CN105352916B (en) * | 2015-11-27 | 2018-04-17 | 江苏理工学院 | Spinning frame surface of roller quality detection device and method of work based on laser diffraction |
| CN105352916A (en) * | 2015-11-27 | 2016-02-24 | 江苏理工学院 | Spinning machine roller surface quality detecting device based on laser diffraction and working method |
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| WO2017186047A1 (en) * | 2016-04-28 | 2017-11-02 | 杭州乔戈里科技有限公司 | Transfer device, and rolling item detection system and method |
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| WO2018165978A1 (en) * | 2017-03-14 | 2018-09-20 | 东莞理工学院 | Surface flaw detector and surface detection mehtod |
| CN108885179A (en) * | 2017-03-14 | 2018-11-23 | 东莞理工学院 | A kind of surface blemish detector and surface inspecting method |
| CN108871001A (en) * | 2017-05-15 | 2018-11-23 | 广东科达洁能股份有限公司 | A kind of kiln of view-based access control model sensor breaks stick detection system and method |
| CN108871001B (en) * | 2017-05-15 | 2024-04-19 | 广东科达洁能股份有限公司 | Kiln broken rod detection system and method based on visual sensor |
| CN107907546A (en) * | 2017-12-06 | 2018-04-13 | 华南理工大学 | A kind of defects of vision detection method and system based on intelligent mobile terminal |
| JP2019108967A (en) * | 2017-12-20 | 2019-07-04 | 西部自動機器株式会社 | Method and device for moving tapered roller |
| CN109975317A (en) * | 2019-04-23 | 2019-07-05 | 新昌浙江工业大学科学技术研究院 | The full surface flaw detecting method of cylindrical roller |
| CN109975317B (en) * | 2019-04-23 | 2021-12-07 | 新昌浙江工业大学科学技术研究院 | Method for detecting defects on whole surface of cylindrical roller |
| CN114113126A (en) * | 2019-04-23 | 2022-03-01 | 新昌浙江工业大学科学技术研究院 | Full surface flaw detection device of cylindrical roller |
| CN114113126B (en) * | 2019-04-23 | 2023-12-22 | 新昌浙江工业大学科学技术研究院 | Full-surface flaw detection device for cylindrical roller |
| CN114965489A (en) * | 2022-04-20 | 2022-08-30 | 江苏品德机电科技有限公司 | Conveying line with surface defect detection function for machining ball screw pair |
| CN114965489B (en) * | 2022-04-20 | 2023-11-14 | 江苏品德机电科技有限公司 | Conveying line with surface defect detection for ball screw pair machining |
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Application publication date: 20141008 |