CN101430290B - Steel ball surface defect detection apparatus - Google Patents
Steel ball surface defect detection apparatus Download PDFInfo
- Publication number
- CN101430290B CN101430290B CN2008102436132A CN200810243613A CN101430290B CN 101430290 B CN101430290 B CN 101430290B CN 2008102436132 A CN2008102436132 A CN 2008102436132A CN 200810243613 A CN200810243613 A CN 200810243613A CN 101430290 B CN101430290 B CN 101430290B
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- rotating disk
- feeding
- pallet
- steel ball
- salver
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Abstract
The invention discloses a device for detecting the surface damage of a steel ball. A feeding mechanism is connected with a feeding turnplate by a feeding passage. A plurality of detection cavities are arranged at the circle of the feeding turnplate. The position of the detection cavities is provided with a detection light source which provides illumination for the steel ball to be detected. A camera is arranged above the detection cavities. A salver and an unfolded turnplate are arranged below the feeding turnplate. The upper surfaces of the salver and the unfolded turnplate are flush. The middle part of the salver is provided with a guiding slot. A rotating shaft of the feeding turnplate penetrates the guiding slot of the salver to be connected with a stepping device. A salver support is arranged below the salver, the lower part of the salver support is fixed at the bottom of a detection slot. The top of the salver support is used for arranging the salver, and a tourelle is arranged between the salver support and the salver. A discharge hole is arranged on the salver and is communicated with a discharging mechanism. The discharging mechanism penetrates the bottom of the detection slot. The unfolded turnplate is connected with a swing rotary drive set by a rotating shaft. The inside of the detection slot is provided with a swing mechanism which is connected with the salver fixedly. The device can detect the steel ball with any diameter and has high detection accuracy and efficiency.
Description
Technical field
The present invention relates to a kind of pick-up unit, is a kind of steel ball surface defect detection apparatus specifically.
Background technology
The patent No. is the detection method that the Chinese invention patent of ZL200310109912.4 discloses a kind of steel ball surface defect.The device of the detection steel ball surface in this patent comprises feeding mechanism, feeding rotating disk, dividing plate and expansion rotating disk, the test chamber that the steel ball that the feed mechanism conveying is come enters the feeding rotating disk, and dividing plate mainly is to provide support for the feeding rotating disk; Launch rotating disk and be positioned at the dividing plate below, do swing and rotatablely move, the steel ball rotation that drives in dividing plate and the feed mechanism corresponding aperture launches whole sphere, so that image mechanism etc. photograph the whole surface of steel ball, the defective of complete detection steel ball surface.But there is certain defective in this mechanism: the thickness of this kind mechanism requirement dividing plate must be less than the radius of tested steel ball, for radius and block board thickness quite or less than the steel ball of block board thickness, then when the feeding dial rotation, steel ball can't be taken away, can not satisfy the purpose that detects small steel ball, accuracy in detection is low simultaneously.
Summary of the invention
Goal of the invention: the objective of the invention is for solving the omission, erroneous judgement, the detection efficiency that exist in the existing steel ball surface defect detection architecture lowly and can not detect the problem of miniature iron shot, provide a kind of and detect accurately, efficient is high and can detect the steel ball surface defect detection apparatus of arbitrary diameter steel ball.
Technical scheme: a kind of steel ball surface defect detection apparatus, it comprises feeding mechanism, feeding-passage, feeding rotating disk, test chamber, detection light source, video camera, pallet, expansion rotating disk, tray support, discharging mechanism and discharging opening; Feeding mechanism by feeding-passage be installed in the feeding rotating disk that detects in the groove and be connected, the circumference of feeding rotating disk is provided with the plurality of detection chamber, the test chamber place is provided with the detection light source that illumination is provided for steel ball to be detected, the top of test chamber is provided with video camera; Feeding rotating disk below is provided with pallet and launches rotating disk, and the end face of pallet and expansion rotating disk fits tightly, the upper surface flush of pallet and expansion rotating disk; The pallet middle part is provided with gathering sill, and the gathering sill that the rotation axis of feeding rotating disk passes pallet is connected with step drive device; The pallet below is provided with tray support, and the tray support bottom is fixed on the detection trench bottom, and the tray support top is placed with pallet, be provided with tourelle between the two, pallet is provided with discharging opening, and discharging opening is communicated with discharging mechanism, and discharging mechanism passes from detecting trench bottom; Launch rotating disk and be connected with the swing rotating driving device, detect in the groove and be provided with the tilting mechanism of fixedlying connected with pallet by rotation axis.
The expansion rotating disk is a circular discs, and contact end surface shape suitable with the circular discs shape of expansion rotating disk with launching rotating disk for pallet.
Described tilting mechanism comprises the fixed block that is arranged on tray bottom and detection trench bottom and is connected two extension springs between the fixed block.
Evenly the distribute circumference of feeding rotating disk of described test chamber, described test chamber is for connecting the manhole of feeding rotating disk.
Described tourelle is the rolling body that is fixed on the tray support top.
Test chamber place on the feeding rotating disk is provided with one group of detection light source and video camera at least.
Beneficial effect: (1) the present invention has overcome prior art median septum thickness must be less than the defective of steel ball radius, do not have the restriction of dividing plate among the present invention, can detect the steel ball of arbitrary diameter, not only can detect the major diameter steel ball, also can detect miniature iron shot, usable range is extensive; (2) the present invention has overcome in the prior art feeding rotating disk and has launched to exist between the rotating disk defective in slit, has realized seamless applying, has improved the detection accuracy rate; (3) a plurality of cameras are set, can carry out the detection of many group steel balls simultaneously, improved efficient.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the cut-open view of the A-A line among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
As shown in Figure 1, 2, steel ball surface defect detection apparatus of the present invention comprises feeding mechanism 1, feeding-passage 2, feeding rotating disk 3, test chamber 4, detection light source 5, video camera 6, pallet 7, launches rotating disk 8, tray support 9, discharging mechanism 10, discharging opening 11 and extension spring 12.
Feeding structure 1 is communicated with feeding rotating disk 3 by feeding-passage 2, by feeding-passage 2 steel ball to be measured in the feeding mechanism 1 is transported on the feeding rotating disk 3.Feeding rotating disk 3 is made for the milky light transmissive material, and in evenly the distribute test chamber 4 of some of the circumferential edge of feeding rotating disk 3, described test chamber 4 is for connecting the manhole of feeding rotating disk 3 upper and lower surfaces.
Feeding rotating disk 3 belows are provided with pallet 7 and launch rotating disk 8, launching rotating disk 8 is circular discs, pallet 7 is suitable with the circular discs shape that contacts end surface shape and expansion rotating disk 8 of launching rotating disk 8, seamless between pallet 7 and the expansion rotating disk 8 end face surface of contact, the upper surface flush of pallet 7 and expansion rotating disk 8, and fit with the lower surface of feeding rotating disk 3, the seamless contact between feeding rotating disk 3 and expansion rotating disk 8 and the pallet 7 makes the present invention can detect miniature iron shot.Launch rotating disk 8 and be connected with the swing rotating driving device by rotation axis, swing rotating driving device drive expansion rotating disk 8 is done swing simultaneously and is rotatablely moved.Detect in the groove and be provided with the tilting mechanism of fixedlying connected with pallet 7, described tilting mechanism is to be arranged on the fixed block of pallet 7 bottoms and detection trench bottom and to be connected two extension springs 12 between the fixed block.Tilting mechanism also can be realized the swing device of function of pallet 7 for other.When swing rotating driving device drive expansion rotating disk 8 moved to left end, extension spring 12 was in tension, and pallet 7 and expansion rotating disk 8 fit tightly, and do not have the slit between the two; When swing rotating driving device drive expansion rotating disk 8 moved to right-hand member, extension spring 12 withdrawals drove pallet 7 and move right, and guarantee closely to contact with expansion rotating disk 8 all the time.
Feeding rotating disk 3 is driven by rotation axis and does stepping and rotate, and pallet 7 centres are provided with gathering sill, and rotation axis passes with step drive device from the gathering sill at pallet 7 middle parts and is connected, and gathering sill will guarantee that pallet 7 can do move left and right.Pallet 7 one end outer rims are provided with discharging opening 11, and discharging mechanism 10 links to each other with discharging opening 11, and the size of discharging opening 11 will guarantee that in the distance range of pallet 7 move left and right the blanking position of feeding rotating disk 3 is all the time facing to discharging mechanism 10.Pallet 7 belows are provided with tray support 9, and pallet 7 can be free to slide by along continuous straight runs on tray support 9.Be provided with tourelle between pallet 7 and the tray support 9, described tourelle is the rolling body fixing at tray support 9 tops, and the rolling body top contacts with the bottom surface of pallet 7, can reduce the force of sliding friction between pallet 7 and the tray support 9.
Feeding rotating disk 3, detection light source 5, pallet 7, expansion rotating disk 8, tray support 9 and detected steel ball all are immersed in and detect in the groove, detect in the groove and fill servo-fluid, servo-fluid is a colourless transparent liquid, is kerosene or aqueous rust preventive, and the liquid level of servo-fluid will be higher than the upper surface of feeding rotating disk 3.The used feeding mechanism 1 of the present invention, feeding-passage 2, feeding rotating disk 3, supporting plate 7, launch rotating disk 8 and all make with organic material, with prevent carry and testing process in to the damage of steel ball surface.Be provided with the detection light source 5 that illumination is provided for steel ball to be detected respectively at test chamber 4 places, be provided with video camera 6 above test chamber 4, video camera 6 is an industrial camera, and video camera 6 is connected with computing machine, and the image of the steel ball surface to be measured taken is transferred to computing machine.Can many group detection light source 5 and video camera 6 be set a plurality of test chamber 4 places on feeding rotating disk 3, the surface quality that can carry out many group steel balls so simultaneously detects, and improves detection speed greatly.
During the work of this device, earlier steel ball to be detected is put into feeding mechanism 1, send into steel ball to be measured in the test chamber 4 of feeding rotating disk 3 peripheries in regular turn by feeding-passage 2 by feeding mechanism 1, expansion rotating disk 8 works of feeding rotating disk 3 belows are swung the steel ball that drives in the test chamber 4 that rotatablely moves and are rotated the whole sphere of expansion, pallet 7 is followed and is launched rotating disk 8 motion that swings synchronously, and the extension spring 12 between pallet 7 and the detection groove can make pallet 7 reset finishing all after dates of an oscillating motion.Directly over the test chamber 4 of feeding rotating disk 3 industrial camera 6 is set, gather the image information of tested steel ball developed surface, this image information inputs to computing machine, handle by computing machine, the enlarged image that on terminal display, shows steel ball surface simultaneously, computer recognition system by Recognition and Acquisition to the steel ball surface image differentiate the quality of steel ball surface, underproof steel ball such as steel ball surface have the quilt of defectives such as idea, scratch, burn, scuffing to send into reject bin automatically, and qualified steel ball is sent into finished bin automatically.
The invention provides a kind of thinking and method of steel ball surface defect detection apparatus; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.The all available prior art of each component part not clear and definite in the present embodiment is realized.
Claims (6)
1. steel ball surface defect detection apparatus, it comprises feeding mechanism (1), feeding-passage (2), feeding rotating disk (3), test chamber (4), detection light source (5), video camera (6), discharging mechanism (10) and discharging opening (11); Feeding mechanism (1) is connected by feeding-passage (2) the feeding rotating disk (3) interior with being installed in the detection groove, the circumference of feeding rotating disk (3) is provided with plurality of detection chamber (4), test chamber (4) is located to be provided with the detection light source (5) that illumination is provided for steel ball to be detected, and the top of test chamber (4) is provided with video camera (6); It is characterized in that: it also comprises pallet (7), launches rotating disk (8), tray support (9);
Feeding rotating disk (3) below is provided with pallet (7) and launches rotating disk (8), and the end face of pallet (7) and expansion rotating disk (8) fits tightly, and end face promptly launches the circumference side of rotating disk (8); The upper surface flush of pallet (7) and expansion rotating disk (8); Pallet (7) middle part is provided with gathering sill, and the gathering sill that the rotation axis of feeding rotating disk (3) passes pallet (7) is connected with step drive device;
Pallet (7) below is provided with tray support (9), tray support (9) bottom is fixed on the detection trench bottom, tray support (9) top is placed with pallet (7), be provided with tourelle between the two, pallet (7) is provided with discharging opening (11), discharging opening (11) is communicated with discharging mechanism (10), and discharging mechanism (10) passes from detecting trench bottom;
Launch rotating disk (8) and be connected with the swing rotating driving device, detect in the groove and be provided with the tilting mechanism of fixedlying connected with pallet (7) by rotation axis.
2. steel ball surface defect detection apparatus according to claim 1 is characterized in that: launching rotating disk (8) be circular discs, and pallet (7) is with to launch the circular discs shape that rotating disk (8) contacts end surface shape and expansion rotating disk (8) suitable.
3. steel ball surface defect detection apparatus according to claim 1 is characterized in that: described tilting mechanism comprises the fixed block that is arranged on pallet (7) bottom and detection trench bottom and is connected two extension springs (12) between the fixed block.
4. steel ball surface defect detection apparatus according to claim 1 is characterized in that: evenly the distribute circumference of feeding rotating disk (3) of described test chamber (4).
5. steel ball surface defect detection apparatus according to claim 1 is characterized in that: described tourelle is for being fixed on the rolling body at tray support (9) top.
6. steel ball surface defect detection apparatus according to claim 1 is characterized in that: the test chamber (4) on feeding rotating disk (3) locates to be provided with at least one group of detection light source (5) and video camera (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102436132A CN101430290B (en) | 2008-12-10 | 2008-12-10 | Steel ball surface defect detection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102436132A CN101430290B (en) | 2008-12-10 | 2008-12-10 | Steel ball surface defect detection apparatus |
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| Publication Number | Publication Date |
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| CN101430290A CN101430290A (en) | 2009-05-13 |
| CN101430290B true CN101430290B (en) | 2011-03-23 |
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| CN2008102436132A Expired - Fee Related CN101430290B (en) | 2008-12-10 | 2008-12-10 | Steel ball surface defect detection apparatus |
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| CN102658266B (en) * | 2012-05-23 | 2014-01-15 | 浙江大学 | Steel ball sorting device and method based on machine vision |
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| CN103308596B (en) * | 2013-05-28 | 2016-03-16 | 山东科技大学 | A kind of steel ball surface quality detection system |
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| CN104655060B (en) * | 2015-03-16 | 2017-11-10 | 上海理工大学 | Surface detection of steel ball device |
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| CN106824808A (en) * | 2017-02-20 | 2017-06-13 | 浙江工业大学 | A kind of pearl censorship sorter |
| CN107755291A (en) * | 2017-11-13 | 2018-03-06 | 哈尔滨理工大学 | A kind of steel ball with high precision surface defects detection mechanism |
| CN108956620A (en) * | 2018-06-27 | 2018-12-07 | 天津大学 | The full surface defect detection apparatus of ball |
| CN110501345B (en) * | 2019-09-20 | 2024-05-17 | 常州光电技术研究所 | Ceramic ball sphere surface flaw detection system |
| CN111299175B (en) * | 2020-03-31 | 2024-08-13 | 南京徐庄科技创业服务中心有限公司 | Auxiliary device and method for detecting diameter of motor steel ball |
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