CN202638768U - Steel ball sorting device based on machine vision - Google Patents
Steel ball sorting device based on machine vision Download PDFInfo
- Publication number
- CN202638768U CN202638768U CN 201220242125 CN201220242125U CN202638768U CN 202638768 U CN202638768 U CN 202638768U CN 201220242125 CN201220242125 CN 201220242125 CN 201220242125 U CN201220242125 U CN 201220242125U CN 202638768 U CN202638768 U CN 202638768U
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- steel ball
- expansion
- pallet
- feed shelter
- machine vision
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Abstract
The utility model provides a steel ball sorting device based on machine vision. By means of on-line acquisition of surface features of steel balls, sorting of the steel balls is achieved according to quality control targets, complete unfolding of surfaces of steel balls to be detected is achieved by means of adoption of coordination rotary motion of a feed plate and an unfolding plate, swing of the unfolding plate is not needed, so that operation of a detection device is stable and reliable. The steel ball sorting device based on the machine vision is simple in structure, prevents swing motion from happening during a detection process, and enables detection results to be accurate.
Description
Technical field
The utility model belongs to measuring technique, automation field, relate in a kind of automated manufacturing the device that surface defects of products and dimensional parameters are detected online, specifically, refer to a kind of based on machine vision, obtain online steel ball surface feature and dimensional parameters, send control command according to detecting feedback information simultaneously, according to the device of quality control realization of goal steel ball sorting.
Background technology
In product quality detects, to the blemish of testee, mostly adopt the artificial visual method of inspection, because it is very large to be subject to the impact of human factor, its Stability and veracity all is difficult to guarantee, and basically is difficult to be competent at for the artificial naked eyes of detection of small items (such as small ball); Geometric parameter (such as steel ball size) to testee, traditional measuring method is to utilize slide calliper rule or micrometer to average after measured workpiece takes multiple measurements, but this measuring method test speed is slow, can only inspect by random samples workpiece in enormous quantities and can't realize full inspection.So no matter be blemish to testee, or to the geometric parameter of testee, manual detection method automaticity is low, can not satisfy the large-scale production demand.
Based on the surface defects of products of machine vision and the characteristics such as size detecting method is untouchable with it, real-time, flexibility and accuracy can effectively address these problems.In addition, this method not only can be obtained surface characteristics and the dimensional parameters of testee, can also in time provide feedback information according to testing result, make thus control decision, control the operation of follow-up executing agency, thereby realize the automatic operating of whole process, improve the production efficiency of enterprise.
The patent No. is detection method and the device that the Chinese utility model patent of ZL200310109912.4 and ZL200810243613.2 discloses respectively a kind of steel ball surface defect.The motion of these two patent disclosures includes a feeding rotating disk that rotates, an expansion rotating disk of doing simultaneously rotation and oscillating motion, fully is presented in the camera coverage to realize steel ball surface to be checked.This motion general structure more complicated because the existence of oscillating motion can increase the unbalanced vibration of equipment, reduces the degree of accuracy of testing result.
The utility model content
The utility model main purpose is to overcome the shortcoming of above-mentioned prior art, a kind of steel ball sorting equipment based on machine vision is provided, by obtaining online the steel ball surface feature, sort according to quality control realization of goal steel ball, it is simple in structure, avoided the existence of the oscillating motion in the testing process, so that testing result is more accurate.
A kind of steel ball sorting equipment based on machine vision comprises feed mechanism, material loading passage, detects groove, feed shelter, test chamber, detection light source, video camera, pallet, expansion dish, goes out ball mechanism and ball mouth; Feed mechanism by the material loading passage be installed in the feed shelter that detects in the groove and be connected, the circumference of feed shelter is provided with some test chamber, the test chamber side is provided with the detection light source that illumination is provided for steel ball to be checked, the top of test chamber is provided with video camera; Described feed shelter below is provided with pallet and expansion dish, and feed shelter and expansion dish be arranged in parallel up and down, and the adjacent face of pallet and expansion dish fits tightly, the upper surface flush of pallet and expansion dish; Feed shelter is connected with the feeding motor by the feeding rotating shaft, and the expansion dish is connected with the expansion motor by launching rotating shaft; Pallet is provided with ball mouth, ball mouth with go out the ball mechanism connection.
Described pallet is fixed on the detection trench bottom by the tray support of below.
Describedly go out ball mechanism and pass from detecting trench bottom.
Described feed shelter is realized rotatablely moving by feeding rotating shaft and feeding motor, and the expansion dish rotatablely moves with launching the motor realization by the expansion rotating shaft, in feed shelter and the expansion disc spins process, drives steel ball and rotates the whole sphere of expansion.
Distance between the center of circle of some test chamber that the circumference of described feed shelter is provided with is 2 π d/3, and wherein d is steel ball size to be checked.
Useful technique effect of the present utility model is: the utility model is in the steel ball surface defect context of detection, overcome the shortcoming of motion general structure complexity in the prior art, the coordination of employing feed shelter and expansion dish rotatablely moves and realizes the abundant expansion of steel ball surface to be checked, do not need the swing of expansion dish, so that the operation of checkout gear more steadily, reliably.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
The specific embodiment
Such as Fig. 1,2, a kind of steel ball sorting equipment based on machine vision comprises feed mechanism 10, material loading passage 11, feed shelter 2, test chamber 12, detection light source 14, video camera 13, pallet 5, tray support 6, expansion dish 9, goes out ball mechanism 4 and ball mouth 3.
Feed mechanism 10 by material loading passage 11 be installed in the feed shelter 2 that detects in the groove 1 and be connected, according to the upper ball frequency of setting steel ball conveying to be checked is delivered on the feed shelter 2.Feed shelter 2 is made for the milky light transmissive material, and some quantity test chamber 12 evenly distribute on its circumference.Described test chamber 12 is for connecting the manhole of feed shelter 2 upper and lower surfaces, and its machining accuracy will satisfy the measurement requirement to the steel ball external diameter.Distance between the center of circle of some test chamber 12 is 2 π d/3, and wherein d is steel ball size to be checked.
Feed shelter 2 belows are provided with pallet 5 and expansion dish 9, described feed shelter 2 and expansion dish 9, and both are circular discs, be arranged in parallel up and down, be quadrature arrangement in the locus.The upper surface flush of pallet 5 and expansion dish 9, and fit with the lower surface of feed shelter 2.The adjacent face shape of pallet 5 and expansion dish 9 and the circular discs shape of expansion dish 9 are suitable, and the contact slit is as far as possible little, has both guaranteed rotating freely of expansion dish 9, and steel ball to be checked is blocked.
The tray support 6 of pallet 5 by the below is fixed on and detects groove 1 bottom, and pallet 5 is provided with ball mouth 3, ball mouth 3 with go out ball mechanism 4 and be communicated with, the size of ball mouth 3 will guarantee that all types of target specification steel ball that designs all can freely fall into out in the ball mechanism 4.
Feed shelter 2 is connected with the feeding motor by feeding rotating shaft 7 to be realized rotatablely moving, and expansion dish 9 is connected with the expansion motor by expansion rotating shaft 8 to be realized rotatablely moving.As shown in Figure 2, feed shelter 2 is rotated counterclockwise, and steel ball to be checked is subject to the active force of a y direction; Expansion dish 9 is rotated counterclockwise, and steel ball to be checked is subject to the active force of an x direction.Feed shelter 2 is quadrature arrangement with expansion dish 9 in the locus, and is therefore mutually vertical to the active force of steel ball to be checked, and the utility model realizes that by to the control of feed shelter 2 with the position of rotation of expansion dish 9 steel ball surface to be checked fully is presented in the camera coverage.Steel ball to be checked is under y directive effect power, when being in position 1 to be checked, position to be checked 2 and position 3 to be checked, 3 developed surfaces on the y direction have been characterized, since the distance between the center of circle of test chamber 12 be 2 π d/3(wherein d be steel ball size to be checked), 3 developed surfaces have consisted of the complete steel ball developed surface on the y direction; Simultaneously, steel ball to be checked when being in position 1 to be checked, position to be checked 2 and position 3 to be checked, can have the developed surface on several x directions under x directive effect power, also can obtain the complete steel ball developed surface on the x direction.The video camera 13 that position 1 to be checked, position to be checked 2 and 3 tops, position to be checked arrange is taken the image that comprises on position 1 to be checked, position to be checked 2 and the position to be checked 3, utilize corresponding image processing algorithm to judge whether steel ball to be checked exists defective, be provided with mnemon in the algorithm, being engraved in when remembeing last detection and being engraved in position 2 to be checked when position 1 to be checked and rear is detected is same steel ball.
Feed shelter 2, pallet 5, tray support 6, expansion dish 9 and steel ball to be checked all are immersed in and detect in the groove 1 interior detection liquid, and detection liquid is colourless transparent liquid, is kerosene or aqueous rust preventive, and the liquid level that detects liquid will be higher than the upper surface of feed shelter 2.The used feed mechanism 10 of the utility model, material loading passage 11, feed shelter 2, pallet 5, expansion dish 9 are all made with organic material, to prevent in testing process the damage to steel ball surface to be checked.In the practical application, be not limited to only comprise one group of detection light source 14 and video camera 13, many group detection light source 14 and video camera 13 can be set, carry out simultaneously the quality testing of many group steel balls, to improve detection speed.
In the continuous rotary course of feed shelter, steel ball passes through respectively the ball mouth on the pallet, fall into out ball mechanism by ball mouth, to detect the undesirable steel ball of surperficial defectiveness or size and all be judged to be defective steel ball, send control command according to detecting feedback information, after defective steel ball falls into ball mouth, go out the door that the ball mechanism opening is led to reject bin, defective steel ball is gone out send into reject bin; After qualified steel ball falls into ball mouth, go out the door that the ball mechanism opening is led to finished bin, qualified steel ball is gone out send into finished bin.
Claims (5)
1. the steel ball sorting equipment based on machine vision comprises feed mechanism (10), material loading passage (11), detects groove (1), feed shelter (2), test chamber (12), detection light source (14), video camera (13), pallet (5), expansion dish (9), goes out ball mechanism (4) and ball mouth (3); Feed mechanism (10) is connected by material loading passage (11) feed shelter (2) interior with being installed in detection groove (1), the circumference of feed shelter (2) is provided with some test chamber (12), test chamber (12) side is provided with the detection light source (14) that illumination is provided for steel ball to be checked, and the top of test chamber (12) is provided with video camera (13); It is characterized in that, described feed shelter (2) below is provided with pallet (5) and expansion dish (9), feed shelter (2) be arranged in parallel up and down with expansion dish (9), and the adjacent face of pallet (5) and expansion dish (9) fits tightly, the upper surface flush of pallet (5) and expansion dish (9); Feed shelter (2) is connected with the feeding motor by feeding rotating shaft (7), and expansion dish (9) is connected with the expansion motor by launching rotating shaft (8); Pallet (5) is provided with ball mouth (3), ball mouth (3) with go out ball mechanism (4) and be communicated with.
2. a kind of steel ball sorting equipment based on machine vision according to claim 1 is characterized in that, described pallet (5) is fixed on detection groove (1) bottom by the tray support (6) of below.
3. a kind of steel ball sorting equipment based on machine vision according to claim 1 is characterized in that, describedly goes out ball mechanism (4) and passes from detecting groove (1) bottom.
4. a kind of steel ball sorting equipment based on machine vision according to claim 1, it is characterized in that, described feed shelter (2) is realized rotatablely moving by feeding rotating shaft (7) and feeding motor, expansion dish (9) is realized rotatablely moving with the expansion motor by launching rotating shaft (8), in feed shelter (2) and expansion dish (9) rotary course, drive steel ball and rotate the whole sphere of expansion.
5. a kind of steel ball sorting equipment based on machine vision according to claim 4 is characterized in that, the distance between the center of circle of some test chamber (12) that the circumference of described feed shelter (2) is provided with is 2 π d/3, and wherein d is steel ball size to be checked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242125 CN202638768U (en) | 2012-05-23 | 2012-05-23 | Steel ball sorting device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242125 CN202638768U (en) | 2012-05-23 | 2012-05-23 | Steel ball sorting device based on machine vision |
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| Publication Number | Publication Date |
|---|---|
| CN202638768U true CN202638768U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220242125 Expired - Lifetime CN202638768U (en) | 2012-05-23 | 2012-05-23 | Steel ball sorting device based on machine vision |
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| CN (1) | CN202638768U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658266A (en) * | 2012-05-23 | 2012-09-12 | 浙江大学 | Steel ball sorting device and method based on machine vision |
| CN104084381A (en) * | 2014-06-19 | 2014-10-08 | 宁国市正兴耐磨材料有限公司 | Sorting apparatus for wear-resistant balls |
| CN104101302A (en) * | 2014-08-05 | 2014-10-15 | 宁国市宁武耐磨材料有限公司 | Steel ball quality detection device |
| CN104614374A (en) * | 2015-02-04 | 2015-05-13 | 宁波百加百测控设备有限公司 | Unfolding device for steel ball surface defect detection |
| CN108147097A (en) * | 2017-12-25 | 2018-06-12 | 宁波优耐特模具有限公司 | A kind of two-way feeding-distribution device |
| CN108144871A (en) * | 2017-12-25 | 2018-06-12 | 宁波优耐特模具有限公司 | Feeding-distribution device |
| CN108405353A (en) * | 2018-02-06 | 2018-08-17 | 南京航空航天大学 | Ball detects sorting unit and method |
| CN112871717A (en) * | 2021-03-24 | 2021-06-01 | 长春理工大学 | High-precision steel ball diameter sorting device and method |
-
2012
- 2012-05-23 CN CN 201220242125 patent/CN202638768U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658266A (en) * | 2012-05-23 | 2012-09-12 | 浙江大学 | Steel ball sorting device and method based on machine vision |
| CN104084381B (en) * | 2014-06-19 | 2017-01-04 | 宁国市正兴耐磨材料有限公司 | A kind of sorting equipment of wear-resistant ball |
| CN104084381A (en) * | 2014-06-19 | 2014-10-08 | 宁国市正兴耐磨材料有限公司 | Sorting apparatus for wear-resistant balls |
| CN104101302A (en) * | 2014-08-05 | 2014-10-15 | 宁国市宁武耐磨材料有限公司 | Steel ball quality detection device |
| CN104101302B (en) * | 2014-08-05 | 2016-08-17 | 宁国市宁武耐磨材料有限公司 | A kind of steel ball quality detection device |
| CN104614374B (en) * | 2015-02-04 | 2018-09-14 | 宁波百加百测控设备有限公司 | A kind of steel ball surface defect detection expanding unit |
| CN104614374A (en) * | 2015-02-04 | 2015-05-13 | 宁波百加百测控设备有限公司 | Unfolding device for steel ball surface defect detection |
| CN108147097A (en) * | 2017-12-25 | 2018-06-12 | 宁波优耐特模具有限公司 | A kind of two-way feeding-distribution device |
| CN108144871A (en) * | 2017-12-25 | 2018-06-12 | 宁波优耐特模具有限公司 | Feeding-distribution device |
| CN108147097B (en) * | 2017-12-25 | 2019-10-11 | 宁波优耐特模具有限公司 | A kind of two-way feeding-distribution device |
| CN108144871B (en) * | 2017-12-25 | 2019-10-11 | 宁波优耐特模具有限公司 | Feeding-distribution device |
| CN108405353A (en) * | 2018-02-06 | 2018-08-17 | 南京航空航天大学 | Ball detects sorting unit and method |
| CN112871717A (en) * | 2021-03-24 | 2021-06-01 | 长春理工大学 | High-precision steel ball diameter sorting device and method |
| CN112871717B (en) * | 2021-03-24 | 2022-10-25 | 长春理工大学 | High-precision steel ball diameter sorting device and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
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| CX01 | Expiry of patent term |