CN205749331U - A kind of bearing detecting device based on machine vision - Google Patents
A kind of bearing detecting device based on machine vision Download PDFInfo
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- CN205749331U CN205749331U CN201620372503.6U CN201620372503U CN205749331U CN 205749331 U CN205749331 U CN 205749331U CN 201620372503 U CN201620372503 U CN 201620372503U CN 205749331 U CN205749331 U CN 205749331U
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Abstract
The utility model discloses a kind of bearing detecting device based on machine vision, including feed end and discharge end, support it is provided with between feed end and discharge end, this support is added to be provided with by motor-driven roller, it is provided with detection station between exit and the roller of feed end, roller is provided with transfer groove, also includes detecting camera；Bearing to be checked enters described detection station from feed end, roller rotates and drives bearing to be checked to roll expansion on this detection station, detection camera obtains the surface image of bearing to be checked, when the transfer groove of roller turns to the position of described detection station, bearing to be checked enters in this transfer groove, and bearing to be checked rotates with roller and is transferred to discharge end and carries out subsequent sort.This utility model is launched by the rotation of roller and transfers bearing to be checked, its simple in construction, it is easy to manufacture, it is adaptable to bearing automatic assembly production line carries out surface defects detection fast and accurately to bearing.
Description
Technical field
This utility model belongs to bearing surface defect detection sorting arrangement technical field, is specifically related to a kind of based on machine vision
Bearing detecting device.
Background technology
In the quality testing of bearing, for the defect of bearing surface, mostly using artificial visual method of inspection, this kind of method is subject to
The biggest to anthropic factor impact, it is difficult to ensure Stability and veracity, and small defect human eye is difficult to distinguish, at present
The domestic equipment that steel ball surface defect is carried out Aulomatizeted Detect, a kind of as disclosed in patent announcement CN102658266A
Steel ball sorting equipment based on machine vision and method, surface defects of products based on machine vision and size detecting method are with it
The features such as untouchable, real-time, motility and accuracy can efficiently solve these problems.It addition, this method is not
But surface character and the dimensional parameters of testee can be obtained, it is also possible to provide feedback information in time according to testing result, by
This makes control decision, controls the operation of subsequent execution mechanism, thus realizes the automatic operating of whole process, improves enterprise
Production efficiency.Carry out the software of image procossing based on machine vision the most ripe, however also do not develop at present for
The automatic detection system of detection bearing surface defect, its major technology bottleneck is the machine covered for the complete vision of bearing surface
Tool structure designs, and bearing mainly has the dust cap of outer ring, inner ring, some steel balls, ball retainer and two sides to constitute, axle
The detection holding surface defect mainly includes outer ring outer wall, inner ring inwall and the surface defects detection of both sides dust cap, due to bearing
There are two opposite faces, thus be difficult to ensure that the complete vision of bearing surface covers and detection efficiency simultaneously.
For solving the problems referred to above, the applicant have developed a kind of Bearing testing sorting equipment based on machine vision, sees patent
Notification number CN104624522A, this sorting equipment use can the rotary-disk type structure of continuous detecting, relatively artificial its effect of visual detection
Rate and degree of accuracy significantly improve, and have obtained the accreditation of vast bearing machining manufacturer.Along with bearing machining and assembling industry
The transformation of automatic assembly production line, bearing automatic assembly production line collection automatic charging, automatically assembling, automatically detection and from
Dynamic sort in one, substantially increase production and the efficiency of assembling of bearing, and only need the most on duty, reduce recruitment cost and
Working strength, the operation of detection automatically of current bearing automatic assembly production line is only capable of realizing the noise of bearing and beating degree inspection
Survey, thus bearing is after assembling completes, and need to be placed again in aforesaid Bearing testing sorting equipment based on machine vision carrying out
Surface defects detection and sorting, cause bearing to there is the problem of secondary damage in transfer process, therefore have bearing machining manufacturer
Propose to be grafted onto in bearing automatic assembly production line aforementioned Bearing testing sorting equipment based on machine vision, bearing is entered
The online surface defects detection of row, so only need to once assemble, detects and sort, it is to avoid bearing secondary damage.This technical problem
Maximum difficult point be that the surface defects detection speed of bearing need to be more than the assembling speed of bearing, existing bearing assembling speed one
As 2000/hour, i.e. will in 1.6 seconds the surface defects detection of complete matched bearings, and along with bearing Automated assembly
Production line is updated and perfect, and its bearing assembling speed also can promote further, therefore the detection of online surface defects detection
Speed also should leave certain room for promotion.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of Bearing testing based on machine vision fills
Putting, it forms the detection station for detecting bearing to be checked, and turning by roller between the exit and roller of feed end
Dynamic expansion bearing and transfer bearing, its simple in construction, it is easy to manufacture, it is adaptable to bearing is entered by bearing automatic assembly production line
Row surface defects detection fast and accurately.
To achieve these goals, this utility model be the technical scheme is that
A kind of bearing detecting device based on machine vision, including feed end and discharge end, is provided with between feed end and discharge end
Support, this support is added to be provided with by motor-driven roller, formed between exit and the roller of feed end be used for detecting to be checked
The detection station of bearing, roller be provided with for by bearing to be checked from the transfer of this detection station to the porch of discharge end
Groove, also includes detecting camera；Bearing to be checked enters described detection station from feed end, and roller rotates and drives bearing to be checked to exist
Rolling on this detection station and launch, now detection camera obtains the surface image of bearing to be checked, when the transfer groove of roller turns to
During the position of described detection station, bearing to be checked enters in this transfer groove, and bearing to be checked rotates with roller and is transferred to discharge end
Carry out subsequent sort.
The both sides of roller are provided with rib, form the storage tank adapted with bearing to be checked between two ribs, and described transfer groove is arranged
In this storage tank, rib is used for preventing bearing to be checked from dropping during rolling expansion and transfer.Further, feed end
Being provided with the chute feeder adapted with bearing to be checked, discharge end is provided with the blow tank adapted with bearing to be checked, and bearing to be checked is sending
Sequential in hopper, bearing to be checked enters detection station one by one, it is preferred that chute feeder is inclined to set, so that axle to be checked
Holding dependence self gravitation rolls forward voluntarily in chute feeder, discharge end arranges mechanism for sorting, and this mechanism for sorting is according to detection phase
Bearing to be checked is sorted by the testing result of machine and image processing module, and same blow tank is inclined to set, so that axle to be checked
Hold dependence self gravitation rolls forward voluntarily in blow tank.
Wherein, the side of roller be additionally provided be connected with motor transmission wheel, motor select servomotor, and by Timing Belt with
Transmission wheel is in transmission connection, and directly the rotating speed of regulation servomotor can control Bearing testing speed.
Further, a kind of preferably scheme, described detection camera is two, and two detection cameras lay respectively at described detection work
The both sides of position, detect camera and obtain image respectively from the both sides of bearing to be checked described in two, two detection cameras are symmetricly set in detection
The both sides of station, each detection camera irradiates periphery and a side end face of bearing to be checked with a fixed inclination, along with roller rotates,
Bearing to be checked rolls on detection station and launches, and two detection camera timesharing obtain the image of bearing to be checked, through image processing module
Process can obtain the surface image that bearing to be checked is complete.
Another preferred scheme, detection camera is arranged at above bearing to be checked, directly to obtain the periphery image of bearing to be checked,
Bearing both sides to be checked are additionally provided with reflecting mirror, and detection camera obtains the image of bearing both ends of the surface to be checked by reflecting mirror described in two, and two
Reflecting mirror is arranged at the both sides of bearing to be checked in eight words, so that bearing both ends of the surface image to be checked can be reflexed to by reflecting mirror
Detection camera.
Further scheme, the exit of feed end is higher than bearing to be checked and roller contact position, and this structure can make bearing to be checked
After feed end enters into detection station, bearing to be checked is resisted against on roller under self gravitation effect, to increase bearing to be checked
And the frictional force between roller, when roller rotates, it is ensured that bearing element to be checked can be driven to launch.
Use after technique scheme, this utility model the most advantageously:
A kind of bearing detecting device based on machine vision described in the utility model, bearing assembles from automatic assembly production line
It is delivered to the feed end of this detection device after completing, and sequentially serially enters the detection work between the exit of feed end and roller
Position, roller rotates to drive bearing to be checked to roll expansion at this detection station, so that detection camera obtains at this detection station
The surface image that bearing to be checked is complete, bearing to be checked rotates with roller and is transferred to discharge end and carry out subsequent sort, needs explanation
, described roller has three effects in this detection device simultaneously: 1, for cooperatively forming detection station with feed end；
2, for coordinating driving bearing to be checked to roll expansion at detection station with motor；3, for bearing to be checked is moved from detection station
Deliver to discharge end.Its simple in construction, it is easy to manufacture, it is adaptable to bearing is carried out quick and precisely by bearing automatic assembly production line
Surface defects detection.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is perspective view of the present utility model；
Fig. 2-Fig. 7 is the structural representation of job order of the present utility model；
Fig. 8 is the schematic diagram of the detection state of of the present utility model pair of detection camera；
Fig. 9 is single detection view detecting camera of the present utility model.
In figure: 1, feed end；11, chute feeder；2, support；3, roller；31, transfer groove；32, rib；33、
Storage tank；34, wheel is transmitted；4, discharge end；41, blow tank；5, bearing to be checked；6, detection camera；7, reflecting mirror.
Detailed description of the invention
The following stated is only preferred embodiment of the present utility model, the most therefore limits protection domain of the present utility model.
Seeing Fig. 1-Fig. 9, a kind of bearing detecting device based on machine vision, including feed end 1 and discharge end 4, charging
Being provided with support 2 between end 1 and discharge end 4, this support 2 is added to be provided with by motor-driven roller 3, going out of feed end 1
Forming the detection station for detecting bearing 5 to be checked at Kou and between roller 3, roller 3 is provided with for by bearing 5 to be checked
From the transfer groove 31 of this detection station to the porch of discharge end 4, also include detecting camera 6；Bearing 5 to be checked is from entering
Material end 1 enters described detection station, and roller 3 rotates and drives bearing 5 to be checked to roll expansion on this detection station, now
Detection camera 6 obtains the surface image of bearing 5 to be checked, when the transfer groove 31 of roller 3 turns to the position of described detection station
When putting, bearing 5 to be checked enters in this transfer groove 31, and bearing 5 to be checked rotates with roller 3 and is transferred to discharge end 4 and carries out
Subsequent sort.
The both sides of roller 3 are provided with rib 32, form the storage tank 33 adapted with bearing 5 to be checked, institute between two ribs 32
Stating transfer groove 31 to be arranged in this storage tank 33, rib 32 is used for preventing bearing 5 to be checked from rolling expansion and transfer process
In drop.Further, feed end 1 is provided with the chute feeder 11 adapted with bearing 5 to be checked, and discharge end 4 is provided with to be checked
The blow tank 41 that bearing 5 adapts, bearing 5 to be checked sequential in chute feeder 11, bearing 5 to be checked enters inspection one by one
Survey station, it is preferred that chute feeder 11 is inclined to set so that bearing to be checked 5 rely on self gravitation chute feeder 11 in oneself
Row rolls forward, discharge end 4 arranges mechanism for sorting, and this mechanism for sorting is according to detection camera 6 and the detection of image processing module
Bearing 5 to be checked is sorted by result, and same blow tank 41 is inclined to set, so that bearing to be checked 5 relies on self gravitation
Rolls forward voluntarily in blow tank 41.
Wherein, the side of roller 3 is additionally provided with the transmission wheel 34 being connected with motor, and servomotor selected by motor, and by synchronizing
Carrying and be in transmission connection with transmission wheel 34, directly the rotating speed of regulation servomotor can control Bearing testing speed.
In present embodiment, seeing Fig. 8, described detection camera 6 is two, and two detection cameras 6 lay respectively at described detection
The both sides of station, detect camera 6 and obtain image respectively from the both sides of bearing 5 to be checked described in two, two detection camera 6 symmetries set
Being placed in the both sides of detection station, each detection camera 6 irradiates periphery and a side end face of bearing 5 to be checked with a fixed inclination,
Along with roller 3 rotates, bearing 5 to be checked rolls on detection station and launches, and two detection camera 6 timesharing obtain bearing 5 to be checked
Image, through image processing module process can obtain the surface image that bearing 5 to be checked is complete.
Further scheme, the exit of feed end 1 is higher than bearing 5 to be checked and roller 3 contact position, and this structure can make to treat
Inspection bearing 5 is after feed end 1 enters into detection station, and bearing 5 to be checked is resisted against on roller 3 under self gravitation effect,
To increase the frictional force between bearing 5 to be checked and roller 3, when roller 3 rotates, it is ensured that bearing 5 to be checked can be driven to roll
Launch.
Another embodiment, sees Fig. 9, and detection camera 6 is arranged at above bearing 5 to be checked, and detection camera 6 is just to be checked
The periphery of bearing 5 is arranged, and when roller 3 drives bearing 5 to be checked to roll, detection camera 6 can directly obtain axle to be checked
Holding the periphery image of 5, bearing 5 both sides to be checked are additionally provided with reflecting mirror 7, and detection camera 66 is obtained by reflecting mirror 7 described in two
Taking the image of bearing 5 both ends of the surface to be checked, two reflecting mirrors 7 are arranged at the both sides of bearing 5 to be checked in eight words, so that axle to be checked
Hold 5 both ends of the surface images to reflex to detect camera 6 by reflecting mirror 7.The manner, detection camera 6 is used only to need one,
By the way of image synthesizes, the periphery image of bearing 5 to be checked and the image of both ends of the surface are synthesized, fully to cover axle
Hold surface.
This bearing detecting device based on machine vision, bearing is delivered to this detection after automatic assembly production line has assembled
The feed end 1 (as shown in Figure 2) of device, bearing 5 to be checked from feed end 11 serially enter feed end 1 and roller 3 it
Between detection station in (as shown in Figure 3), driven by motor roller 3 rotate so that make roller 3 drive bearing 5 to be checked inspection
Rolling in surveying station and launch (as shown in Figure 4), now detection camera 6 obtains the surface image that bearing 5 to be checked is complete, and
It is carried out graphical analysis and process, when the transfer groove 31 of roller 3 turns to the position of described detection station, axle to be checked
Hold in this transfer groove of 5 entrance 31 (as shown in Figure 5), bearing 5 to be checked rotate with roller 3 and be transferred to discharge end 4 (as
Shown in Fig. 6), bearing 5 to be checked carries out subsequent sort (as shown in Figure 7) at discharge end 4 according to its image analysis entity.
This bearing detecting device carries out surface defects detection to bearing be applicable to bearing automatic assembly production line, can be with seamless access
In bearing automatic assembly production line, and i.e. be can reach the mesh of regulation bearing development rate by servomotor roller 3 rotating speed
, its simple in construction, it is easy to manufacturing, the suitability is wide.
Embodiment described above is not limited to this utility model, for a person skilled in the art, new in this practicality
Within the spirit of type and principle, wherein portion of techniques feature is carried out equivalent, should be included in protection model of the present utility model
Within enclosing.
Claims (7)
1. a bearing detecting device based on machine vision, it is characterised in that: include feed end (1) and discharge end (4),
Being provided with support (2) between feed end (1) and discharge end (4), this support (2) is added to be provided with by motor-driven roller
(3), formed between exit and the roller (3) of feed end (1) and be used for detecting the detection station of bearing to be checked (5),
Roller (3) is provided with for by bearing to be checked (5) transfer to the porch of discharge end (4) from this detection station
Groove (31), also includes detecting camera (6)；Bearing to be checked (5) enters described detection station from feed end (1), rolling
Wheel (3) rotates and drives bearing to be checked (5) to roll expansion on this detection station, now detects camera (6) acquisition and treats
The surface image of inspection bearing (5), when the transfer groove (31) of roller (3) turns to the position of described detection station, treats
Inspection bearing (5) enters in this transfer groove (31), and bearing to be checked (5) rotates with roller (3) and is transferred to discharge end (4)
Carry out subsequent sort.
Bearing detecting device based on machine vision the most according to claim 1, it is characterised in that: roller (3)
Both sides are provided with rib (32), form the storage tank (33) adapted with bearing to be checked (5) between two ribs (32),
Described transfer groove (31) is arranged in this storage tank (33).
Bearing detecting device based on machine vision the most according to claim 1 and 2, it is characterised in that: feed end
(1) being provided with the chute feeder (11) adapted with bearing to be checked, discharge end (4) is provided with the discharging adapted with bearing to be checked
Groove (41).
Bearing detecting device based on machine vision the most according to claim 1, it is characterised in that: roller (3)
Side is additionally provided with transmission wheel (34) being connected with motor.
Bearing detecting device based on machine vision the most according to claim 1, it is characterised in that: described detection phase
Machine (6) is two, and two detections camera (6) lay respectively at the both sides of described detection station, detects camera (6) described in two
Image is obtained respectively from the both sides of bearing to be checked (5).
Bearing detecting device based on machine vision the most according to claim 1, it is characterised in that: detection camera (6)
It is arranged at bearing to be checked (5) top, directly to obtain the periphery image of bearing to be checked (5), bearing (5) two to be checked
Side is additionally provided with reflecting mirror (7), and detection camera (6) obtains bearing to be checked (5) both ends of the surface by reflecting mirror (7) described in two
Image.
7. according to the arbitrary described bearing detecting device based on machine vision of claim 1,5,6, it is characterised in that:
The exit of feed end (1) is higher than bearing to be checked (5) and roller (3) contact position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372503.6U CN205749331U (en) | 2016-04-28 | 2016-04-28 | A kind of bearing detecting device based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372503.6U CN205749331U (en) | 2016-04-28 | 2016-04-28 | A kind of bearing detecting device based on machine vision |
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| CN205749331U true CN205749331U (en) | 2016-11-30 |
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| CN201620372503.6U Active CN205749331U (en) | 2016-04-28 | 2016-04-28 | A kind of bearing detecting device based on machine vision |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784721A (en) * | 2016-04-28 | 2016-07-20 | 宁波百加百测控设备有限公司 | Machine vision based bearing detector |
| 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 |
| CN106645177A (en) * | 2016-12-30 | 2017-05-10 | 河南奇测电子科技有限公司 | Surface visual inspection pipeline and inner bottom surface detection device for battery cases |
-
2016
- 2016-04-28 CN CN201620372503.6U patent/CN205749331U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784721A (en) * | 2016-04-28 | 2016-07-20 | 宁波百加百测控设备有限公司 | Machine vision based bearing detector |
| 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 |
| CN106645177A (en) * | 2016-12-30 | 2017-05-10 | 河南奇测电子科技有限公司 | Surface visual inspection pipeline and inner bottom surface detection device for battery cases |
| CN106645177B (en) * | 2016-12-30 | 2019-05-03 | 河南奇测电子科技有限公司 | Battery-shell surface vision-based detection assembly line and its inner subface inspection device |
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