CN109164110A - roller surface defect detecting system - Google Patents
roller surface defect detecting system Download PDFInfo
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- CN109164110A CN109164110A CN201810973830.0A CN201810973830A CN109164110A CN 109164110 A CN109164110 A CN 109164110A CN 201810973830 A CN201810973830 A CN 201810973830A CN 109164110 A CN109164110 A CN 109164110A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
The present invention provides a kind of roller surface defect detecting systems, belong to bearing roller detection technique field.Roller rotationally conveying device including parallel with the shaft of roller rotationally conveying device for driving axis roller rotation conveying, the outer circle imaging device of the outer circular image for obtaining roller, end face figure like for obtaining roller end face imaging device, control unit and sorting unit, end face imaging device is set to the two sides up and down of roller rotationally conveying device, and control unit issues NG signal or OK signal control sorting unit realizes sorting.Roller surface defect detecting system provided by the invention, the rotary expansion of roller is realized by roller rotationally conveying device, the 360 ° of outer circular images and both sides of the face image of roller are obtained by outer circle imaging device and end face imaging device, control unit analysis handles image and controls sorting unit and sorted, the omission factor for greatly reducing roller, improves the efficiency of separation.
Description
Technical field
The invention belongs to bearing roller detection technique fields, are to be related to a kind of roller surface defects detection more specifically
System.
Background technique
Roller is the important component in roller bearing, and the quality of roller directly affects reliability and the longevity of bearing
Life, the detection method of surface flaw of roller mainly has artificial ocular estimate, electromagnetic eddy detection method, ultrasonic detection method at present
And magnetic powder detection method.
Artificial range estimation great work intensity, working efficiency is low, simultaneously because there are the inconsistencies of subjective judgement by testing staff
And fatigue, easily there is a situation where missing inspections and erroneous detection；Ultrasonic detection method requires roller surface smooth, and magnetic powder detection method is not
The surface defects such as fray of roller surface can be examined, it may appear that the case where missing inspection；Furthermore electromagnetic eddy detection method, ultrasonic wave inspection
Survey method and magnetic powder detection method are simply possible to use in the surface defect of detection roller, and the position of defect can not be accurately positioned,
It can not accomplish finely to sort, the efficiency of separation is low.
Summary of the invention
The present invention provides a kind of roller surface defect detecting systems, it is intended to solve roller surface defect in the prior art and examine
The low technical problem of the easy missing inspection of survey, the efficiency of separation.
To achieve the above object, the technical solution adopted by the present invention is that providing a kind of roller surface defect detecting system, packet
It includes:
Roller rotationally conveying device, the roller rotation parallel with the shaft of the roller rotationally conveying device for driving axis
It transfers and send；
Outer circle imaging device, for obtaining the outer circular image of roller；
End face imaging device, for obtaining the end face figure like of roller, the end face imaging device is rotated set on the roller
The two sides up and down of conveying device；
Control unit, for receiving the outer circular image and end face imaging device hair that the outer circle imaging device is sent
The end face figure like sent obtains the surface defect type of roller and exports NG signal or OK signal；And
Sorting unit for receiving the NG signal or OK signal of described control unit sending, and will test the roller of completion
By corresponding control signal sorting conveying is preset, the sorting unit is electrically connected with the control unit.
Further, the roller rotationally conveying device is turntable conveying mechanism, and the turntable conveying mechanism includes:
Turntable, for placing the axis roller parallel with the shaft of the turntable, the turntable is transparent material product；
Driving unit, for driving the turntable to rotate, the driving unit is electrically connected with the control unit；And
Encoder, set on the output shaft end of the driving unit, the encoder, which is electrically connected with the control unit, to be used for
The rotation angle of the driving unit is sent to described control unit.
Further, the outer circle imaging device includes:
Camera unit, for the outer circular image for obtaining roller of taking pictures, the camera unit has multiple, multiple camera shootings lists
First to be arranged with the turntable in angle, multiple camera units are arranged by new ro-tational axis of the shaft of the turntable, adjacent
Interval angles between two camera units are identical；
Support plate, for installing the camera unit, the support plate is set in parallel above the turntable；And
Locating rod is arranged in the support plate and is used to install the camera unit, and the locating rod is along the turntable
Radial direction length it is adjustable, the end of the locating rod be equipped be in the turntable angle setting mounting portion.
Further, the camera unit includes:
At least one outside camera unit, the outside camera unit be set to the turntable outside, and with the turntable
It is arranged in angle, for shooting the outer circle of roller far from the side of the shaft of the turntable；
At least one inside camera unit, the inside camera unit be set to the turntable inside, and with the turntable
It is arranged in angle, for shooting the outer circle of roller close to the other side of the shaft of the turntable.
Further, the end face imaging device includes:
The top of the roller rotationally conveying device is arranged, for shooting the upper surface of roller in first end camera unit；
The lower section of the roller rotationally conveying device is arranged, for shooting the lower end surface of roller in second end camera unit；And
Position sensor, for detecting roller position, the position sensor is electrically connected with the control unit for touching
It sends out first end camera unit described and the second end camera unit is taken pictures.
Further, the sorting unit includes:
End face NG sorting mechanism, for sub-electing the roller of end face existing defects from the roller rotationally conveying device
Come；
Outer circle NG sorting mechanism, for sub-electing the roller of outer circle existing defects from the roller rotationally conveying device
Come；And
Qualified product sorting mechanism, for sorting out qualified roller from the roller rotationally conveying device.
Further, the end face NG sorting mechanism includes:
End face NG sorts frame, for receiving the roller of end face existing defects；
First inflatable body sorts frame for blowing roller from the roller rotationally conveying device to the end face NG,
First inflatable body is electrically connected with the control unit；
The outer circle NG sorting mechanism includes:
Outer circle NG sorts frame, for receiving the roller of outer circle existing defects；
Second inflatable body sorts frame for blowing roller from the roller rotationally conveying device to the outer circle NG,
Second inflatable body is electrically connected with the control unit；
The qualified product sorting mechanism includes:
Qualified product sorts frame, for receiving qualified roller；
Third inflatable body sorts frame for blowing roller from the roller rotationally conveying device to the qualified product,
The third inflatable body is electrically connected with the control unit.
Further, along the direction of rotation of the roller rotationally conveying device, the end face imaging device, end face NG sorting
Mechanism, the outer circle imaging device, the outer circle NG sorting mechanism and the qualified product sorting mechanism are sequentially arranged.
Further, further includes:
Feeding device is used for roller vertical transport to the turntable, the upper surface of the feeding device and the turntable
Upper surface it is concordant.
Further, the feeding device includes:
Vibrator feeder；
Conveyer belt is delivered to the turntable for be vertically spaced roller set on the output end of the vibrator feeder,
The conveyer belt and the turntable are tangent, and the linear velocity of the conveyer belt is identical as the linear velocity of the disk edge.
Roller surface defect detecting system beneficial effect provided by the invention is, compared with prior art, by axis with
The parallel roller of roller rotationally conveying device shaft is placed on roller rotationally conveying device, realizes rotating around roller for roller
The axis of conveying device rotates, that is, realizes 360 ° of shaft expansion of roller rotationally conveying device；It is conveyed by being rotated in roller
Outer circle imaging device is arranged in the top of device, and rolling can be obtained in shaft rotary course of the roller around roller rotationally conveying device
360 ° of outer circular images of son, while two sides, that is, roller both ends setting end face imaging device is used above and below roller rotationally conveying device
In the both sides of the face image for obtaining roller；Control unit receives the outer circular image that outer circle imaging device is sent and end face imaging dress
The end face figure like for setting transmission, is analyzed by image comparison, is obtained roller surface defect kind, is counted, while exporting OK letter
Number or NG signal, the OK signal or NG signal that sorting unit reception control unit issues, and rolling is completed according to the signal that receives
The sorting of son conveys, and multiple sorting units can be set in practical application, and, NG position qualified or not according to roller carries out multistage point
Choosing；Roller surface defect detecting system provided by the invention, the rotary expansion of roller is realized by roller rotationally conveying device,
It can be rotated through in roller by outer circle imaging device and end face imaging device that roller rotationally conveying device upper and lower is arranged in
360 ° of outer circular images of roller are obtained in journey and both sides of the face image obtains after control unit image procossing and comparative analysis
Roller surface defect kind is taken, and issues OK signal or NG signal, sorting unit receives the signal and sorted, and image is complete
The outer surface for covering roller, greatly reduces the omission factor of roller, is greatly improved by automatic sorting and multipass sort
The efficiency of separation.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram one of roller surface defect detecting system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram two of roller surface defect detecting system provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram three of roller surface defect detecting system provided in an embodiment of the present invention；
Fig. 4 is the fitting arrangement of outer circle imaging device and end face imaging device provided in an embodiment of the present invention；
Fig. 5 is the control principle drawing of control unit provided in an embodiment of the present invention.
Wherein, each appended drawing reference:
1, roller rotationally conveying device；11, turntable；12, driving unit；13, encoder；2, outer circle imaging device；21, it takes the photograph
As unit；211, outside camera unit；212, inside camera unit；22, support plate；23, locating rod；24, mounting portion；3, end face
Imaging device；31, first end camera unit；32, second end camera unit；33, position sensor；4, control unit；5, feeding
Device；51, vibrator feeder；52, conveyer belt；53, photoelectric sensor；6, sorting unit；61, end face NG sorting mechanism；611,
End face NG sorts frame；612, the first inflatable body；62, outer circle NG sorting mechanism；621, outer circle NG sorts frame；622, it second blows
Mechanism；63, qualified product sorting mechanism；631, qualified product sorts frame；632, third inflatable body；7, frame；8, baffle；9, it installs
Seat；10, roller.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It is to be appreciated that the orientation or positional relationship of the instructions such as term " on ", "lower", "vertical" is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, " multiple ", " several " are meant that two or more, unless otherwise clearly specific limit
It is fixed.
Also referring to Fig. 1 to Fig. 3, now roller surface defect detecting system provided by the invention is illustrated.Roller
Surface defects detection system include roller rotationally conveying device 1, outer circle imaging device 2, end face imaging device 3, control unit 4 with
And sorting unit 6, the roller parallel with the shaft of roller rotationally conveying device 1 for driving axis of roller rotationally conveying device 1
10 rotation conveyings；Outer circle imaging device 2 is used to obtain the outer circular image of roller 10；End face imaging device 3 is for obtaining roller 10
End face figure like, end face imaging device 3 be set to roller rotationally conveying device 1 two sides up and down；Control unit 4 is for receiving outer circle
The end face figure like that the outer circular image and end face imaging device 3 that imaging device 2 is sent are sent, obtains the surface defect kind of roller 10
Class simultaneously exports NG signal or OK signal；Sorting unit 6 is used for the NG signal or OK signal that reception control unit 4 issues, and will inspection
It surveys the roller 10 completed to convey by corresponding control signal sorting is preset, sorting unit 6 is electrically connected with control unit 4.
This programme is not only suitable for cylindrical roller and is also applied for taper roller, and optionally, roller surface defect detecting system is also
Including frame 7, roller rotationally conveying device 1, outer circle imaging device 2, end face imaging device 3, control unit 4 and sorting unit
6 are set on frame 7, and roller rotationally conveying device 1 is rotated around the axis of the fixation of vertical direction, while driving and being located at roller rotation
The roller 10 turned in conveying device 1 is rotated around fixed axis, and roller 10 is unfolded around the axis of the fixation, in the outer circle of roller 10
It is equipped with outer circle imaging device 2 ring week, outer circle imaging device 2 is set to the top of roller rotationally conveying device 1 and rotates towards roller
Conveying device 1 is obliquely installed, and end face imaging device 3 is arranged in the upper and lower ends of roller 10.
Optionally, control unit 4 is the industrial computer equipped with image processing module, and industrial computer receives outer circle imaging
Device 2 send outer circle diagram hair as and end face imaging device 3 send end face figure like, the external circular image of image processing module and
End face figure like is analyzed, and judges roller 10 with the presence or absence of surface defect and the type of surface defect, such as free of surface defects, industry
Computer goes out OK signal, such as there is surface defect, and industrial computer issues NG signal.Optionally, industrial computer can count
The quantity and accounting of OK signal, NG signal and each surface defect provide optimization direction to the processing of roller 10.
Roller surface defect detecting system beneficial effect provided by the invention is, compared with prior art, by axis with
The parallel roller of roller rotationally conveying device shaft is placed on roller rotationally conveying device, realizes rotating around roller for roller
The axis of conveying device rotates, that is, realizes 360 ° of shaft expansion of roller rotationally conveying device；It is conveyed by being rotated in roller
Outer circle imaging device is arranged in the top of device, and rolling can be obtained in shaft rotary course of the roller around roller rotationally conveying device
360 ° of outer circular images of son, while two sides, that is, roller both ends setting end face imaging device is used above and below roller rotationally conveying device
In the both sides of the face image for obtaining roller；Control unit receives the outer circular image that outer circle imaging device is sent and end face imaging dress
The end face figure like for setting transmission, is analyzed by image comparison, is obtained roller surface defect kind, is counted, while exporting OK letter
Number or NG signal, the OK signal or NG signal that sorting unit reception control unit issues, and rolling is completed according to the signal that receives
The sorting of son conveys, and multiple sorting units can be set in practical application, and, NG position qualified or not according to roller carries out multistage point
Choosing；Roller surface defect detecting system provided by the invention, the rotary expansion of roller is realized by roller rotationally conveying device,
It can be rotated through in roller by outer circle imaging device and end face imaging device that roller rotationally conveying device upper and lower is arranged in
360 ° of outer circular images of roller are obtained in journey and both sides of the face image obtains after control unit image procossing and comparative analysis
Roller surface defect kind is taken, and issues OK signal or NG signal, sorting unit receives the signal and sorted, and image is complete
The outer surface for covering roller, greatly reduces the omission factor of roller, is greatly improved by automatic sorting and multipass sort
The efficiency of separation.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 1, Fig. 2 are please referred to
And Fig. 5, roller rotationally conveying device 1 are turntable conveying mechanism, turntable conveying mechanism includes turn for placing axis and turntable
The turntable 11 of the parallel roller 10 of axis, for drive turntable 11 rotate driving unit 12 and set on the defeated of driving unit 12
The encoder 13 of shaft end out, turntable 11 are transparent material product, and roller 10 is vertically placed on turntable 11 and turntable 11 is followed to revolve
Turn；Encoder 13 is electrically connected for the rotation angle of driving unit 12 to be sent to control unit 4 with control unit 4, and control is single
Member 4 is electrically connected with driving unit 12.
Optionally, turntable 11 is glass article, and driving unit 12 is located at the lower section of turntable 11, and driving unit 12 is fixedly mounted
On frame 7, turntable 11 is driven to rotate by mechanical reduction gear, encoder 13 and control unit on driving unit 12
4 electrical connections, for the rotating cycle of driving unit 12 to be fed back to control unit 4, the rotation speed of driving unit 12 and turntable 11
Degree can obtain the rotation angle of turntable 11 than known and determining according to the numerical value of encoder 13.Optionally, driving unit 12 is
The accurate control that turntable 11 rotates angle may be implemented in servo motor.The setting of transparent turntable realizes the rotary expansion of roller,
The end face imaging device of two sides can directly acquire the end face figure like of roller above and below turntable, in practical application, control unit
The signal for receiving encoder, takes pictures in fixed rotation angle triggering end imaging device and outer circle imaging device, and it is clear to obtain
Complete roller end face image and outer circular image.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 1 is please referred to figure
4, outer circle imaging device 2 includes obtaining the camera unit 21 of the outer circular image of roller 10, for installing camera unit for taking pictures
21 support plate 22 is arranged in support plate 22 and for installing the locating rod 23 of camera unit 21, camera unit 21 have it is multiple,
Multiple camera units 21 are arranged with turntable 11 in angle, and multiple camera units 21 are using the shaft of turntable 11 as new ro-tational axis cloth
It sets, the interval angles between two neighboring camera unit 21 are identical；Support plate 22 is set to 11 top of turntable, 23 edge of locating rod in parallel
The radial direction length of turntable 11 is adjustable, and the end of locating rod 23 is equipped with the mounting portion 24. with turntable 11 in angle setting
Optionally, turntable 11 is set in the ring week of the mounting base 9 on frame 7, and support plate 22 is fixed on mounting base 9
On, support plate 22 and 11 coaxial line of turntable, locating rod 23 are parallel to turntable 11, radial direction length of the locating rod 23 along turntable 11
The adjustable radius for allowing distance of the mounting portion 24 positioned at 23 end of locating rod apart from 11 axis of turntable to be greater than turntable 11,
The radius of turntable 11 can be less than, i.e. mounting portion 24 can both be located at the outside of turntable 11, can also be located at the inside of turntable 11.
Allow camera unit 21 towards the inside of the outer circle of roller 10 by the design of locating rod 23, can also be towards roller 10 outside
Round outside, wherein outside is the outer circle of roller 10 far from the side of the shaft of turntable, inside is that roller 10 turns close to turntable
Multiple camera units 21 are arranged in the side of axis, and each 21 shooting angle of camera unit and range are fixed, multiple camera unit shootings
Outer circular image spliced, obtain roller 10 360 ° of outer circular images.
Optionally, camera unit 21 is high-speed CCD (charge coupled device) camera, and camera unit 21 has more
Outer circle image mosaic that is a, being shot by multiple camera units 21,360 ° of images of available roller will not generate missing inspection,
Focusing processing can be carried out by locating rod regulating camera units at a distance from roller outer circle in practical application, be suitable for difference
The roller of specification.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, referring to Fig. 4, camera shooting
Unit 21 includes at least one outside camera unit 211 and at least one inside camera unit 212, and outside camera unit 211 is set
It is arranged in the outside of turntable 11, and with turntable 11 in angle, for shooting the outer circle of roller 10 far from the side of the shaft of turntable；
Inside camera unit 212 is set to the outside of turntable 11, and is arranged with turntable 11 in angle, and the outer circle for shooting roller 10 is close
The other side of the shaft of turntable.
Optionally, along 11 direction of rotation of turntable, first arrangement outside camera unit 211, inside camera unit is then arranged
212.It is known that the interval angles between camera unit 21 are fast by the rotation of the resolution ratio of CCD camera, target surface size and turntable 11
Degree determines.Optionally, there are three outside camera units 211, there are two inside camera units 212, single for installing outside camera shooting
The mounting portion 24 of member 211 is facing inwardly toward the inclination of roller 10, for installing the mounting portion of inside camera unit 212 outwardly facing roller
10 inclinations.The shooting angle of each camera unit is calculated according to application demand, realizes shooting without coincidence for roller outer circle, i.e., each
The outer circular image that camera unit obtains is the unique outer circular image in part of the roller, when solving control unit image analysis processing
Between, while the quantity for saving camera unit is maximized, reduce cost.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 3 is please referred to figure
5, end face imaging device 3 includes first end camera unit 31 for shooting the upper surface of roller 10, for shooting roller 10
The second end camera unit 32 of lower end surface, the position sensor 33 for detecting 10 position of roller, first end face camera unit 31
The top of roller rotationally conveying device 1 is set, 1 lower section of roller rotationally conveying device is arranged in second end face camera unit 32, the
The axis collinear of one end camera unit 31, second end camera unit 32 and roller 10, position sensor 33 are electrically connected with control unit 4
It connects and takes pictures for triggering first end camera unit 31 and second end camera unit 32.
Optionally, first end camera unit 31 and second end camera unit are high-speed CCD (charge coupled
Device) camera, first end camera unit 31 and second end camera unit 32 are conllinear, and the axis is parallel to the axis of roller 10
Line, first end camera unit 31 are mounted in support plate 22, and second end camera unit is fixed on frame 7.First end camera shooting is single
Member 31 and second end camera unit 32 are taken pictures by the triggering of position sensor 33 simultaneously, and position sensor 33 can be photoelectric transfer
Sensor or fibre optical sensor, position sensor 33 is set to the inlet that roller 10 enters turntable 11, along the direction of rotation of roller 10,
It known to the distance between first end camera unit 31 and position sensor 33 and determines, optionally, taper roller big end is to decentralization
It sets, small end is placed upwards, is placed more steady.In practical application, position sensor 33 can directly with first end camera unit
31 and second end camera unit 32 be electrically connected, directly trigger first end camera unit 31 and second end camera unit 32 and take pictures, adopt
With hard triggering, photo opporunity and position are more accurate, it is not easy to empty burnt situation occur.In the present solution, first end camera unit
It is taken pictures simultaneously by the triggering of position sensor device with second end camera unit, end face is carried out by image processing software on industrial computer
The processing and defect recognition of image, complete the defects detection of roller end face, and detection efficiency is high.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 1 is please referred to figure
3, sorting unit 6 includes end face NG sorting mechanism 61, outer circle NG sorting mechanism 62 and qualified product sorting mechanism 63, and end face NG divides
Select mechanism 61 for sorting out the roller 10 of end face existing defects from roller rotationally conveying device 1；Outer circle NG sorting mechanism
62 for sorting out the roller 10 of outer circle existing defects from roller rotationally conveying device 1, and qualified product sorting mechanism 63 is used for
Qualified roller is sorted out from roller rotationally conveying device 1.
Optionally, NG signal or OK signal that 6 reception control unit 4 of sorting unit is sent, will be continuous on turntable 11
The roller 10 of conveying is classified.It should be understood that can be according to the demand of roller surface defects detection, then separately want that other are arranged
The sorting mechanism of function, including but not limited to rift defect sorting mechanism, pit defect sorting mechanism etc..By setting in this programme
End face NG sorting mechanism, outer circle NG sorting mechanism and qualified product sorting mechanism is set to distinguish according to the defective locations of roller,
Sharpness of separation is improved, while control unit carries out the statistics of defect kind and quantity, is convenient for subsequent technique improvement.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 1, Fig. 3 are please referred to
And Fig. 5, end face NG sorting mechanism 61 include the end face NG sorting frame 611, first for receiving the roller 10 of end face existing defects
Inflatable body 612, the first inflatable body 612, which is used to from roller rotationally conveying device 1 blow roller 10 to end face NG, sorts frame
611, the first inflatable body 612 is electrically connected with control unit 4；Outer circle NG sorting mechanism 62 includes for receiving outer circle existing defects
The outer circle NG of roller 10 sort frame 621, the second inflatable body 622, the second inflatable body 622 is used for roller 10 from the rolling
Sub- rotationally conveying device 1 blows to the outer circle NG and sorts frame 621, and the second inflatable body 622 is electrically connected with control unit 4；It closes
Lattice product sorting mechanism 63 includes detecting signal for reception control unit 4 to blow for the qualified product sorting frame 631 of the roller of OK, third
Mechanism of qi structure 632, third inflatable body 632, which is used to from roller rotationally conveying device 1 blow roller to the qualified product, sorts frame
631, third inflatable body 632 is electrically connected with control unit 4.
Optionally, the first inflatable body 612, the second inflatable body 622 and third inflatable body 632 are set to mounting base
On 9, the first inflatable body 612, the second inflatable body 622 and third inflatable body 632 are electrically connected with control unit 4, the
One inflatable body 612, the second inflatable body 622 receive control unit 4 signal be NG signal when, blow by roller 10 from turn
Disk 11 is blown off, and by conveying device or is fallen directly into each sorting frame；The signal that the control unit 4 received issues is OK letter
Number when, the first inflatable body 612, the second inflatable body 622 is failure to actuate, third inflatable body 632 air blowing roller 10 is delivered to
Qualified product sorts frame 631.Optionally, it is equipped with the baffle 8 to fall off for placing roller in 11 ring week of turntable, is blown on baffle 8 with first
Mechanism of qi structure 612, the second inflatable body 622 and 632 corresponding position of third inflatable body are equipped with the opening passed through for roller 10.
Structure is simple in this programme, secondary damage will not be caused to roller, and the position of sorting mechanism can be arranged according to demand, is applicable in model
It encloses wide.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 1 is please referred to figure
3, along the direction of rotation of roller rotationally conveying device 1, end face imaging device 3, end face NG sorting mechanism 61, outer circle imaging device 2,
Outer circle NG sorting mechanism 62 and qualified product sorting mechanism 63 are sequentially arranged.
In practical application, roller 10 enters turntable 11, trigger position sensor 33, first end camera unit 31 and second end
Camera unit 32 is taken pictures, and the acquisition of end face figure like is carried out, and first end face imaging device 31 and second end face imaging device 32 are coaxial
Line, the axis are parallel to the axis of turntable 11, then receive by end face NG sorting mechanism 61, such as end face NG sorting mechanism 61
The signal of control unit 4 be NG, then the first inflatable body 612, which blows off roller 10 into end face NG, sorts frame 611, and control is single
Member 4 count and recording surface defect kind；The signal of the control unit 4 received such as end face NG sorting mechanism 61 is OK,
Then roller 10 continues that turntable 11 is followed to rotate, and outside camera unit 211 and inside camera unit 212 obtain the outer of roller 10 respectively
Circular image, control unit 4 carries out splicing and obtains the complete image of 10 outer circle of roller and be analyzed and processed, wherein outside camera shooting is single
Member 211 and taking pictures for inside camera unit 212 are triggered by encoder 13, and optionally, encoder 13 can access control unit 4
It can also directly be electrically connected with camera unit 21, be triggered firmly, then roller 10 passes through outer circle NG sorting mechanism 62, such as outer circle
The signal for the control unit 4 that NG sorting mechanism 62 receives is NG, then the second inflatable body 622 blows off roller 10 into outer circle
NG sorts frame 621, and control unit 4 count and recording surface defect kind；The control received such as outer circle NG sorting mechanism 62
The signal of unit 4 processed is OK, then roller 10 continues that turntable 11 is followed to rotate, and after reaching qualified product sorting mechanism 63, third is blown
Mechanism 632 blows off roller 10 in qualified product sorting frame 631, completes the surface defects detection and sorting of a roller 10.It answers
Understanding, 3 once photo taking of outer circle imaging unit 2 and end face imaging device can obtain the image of multiple rollers simultaneously, due to
The processing speed of control unit is far longer than the rotation speed of turntable, therefore the image that can acquire multiple rollers simultaneously is single by control
Member is analyzed and processed, and does not influence the sorting of roller.There is surface defect in roller in this programme, is sorted at once, does not need
Subsequent analysis comparison is carried out again, saves control unit analysis time, realizes the multistage sorting of roller, and imaging unit is primary
It takes pictures, the image of available multiple rollers, efficiency of separation height.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 2 and figure are please referred to
3, it further include the feeding device 5 for roller 10 to be delivered to turntable 11 vertically, the upper surface of feeding device 5 is upper with turntable 11
Flush.
Optionally, feeding device 5 is fixedly mounted on frame 7, and feeding device 5 is used for 10 sequence of roller at random is defeated
Out, and realize multiple directions roller 10 vertical transport to turntable 11.This programme realizes the automatic charging of roller, by feeding
5 integrated installation of device realizes the integrated design of equipment on frame 7, in practical application, it is only necessary to by roller to be detected batch
Import and export feeding device 5 is measured, the whole process automatic detection of roller is realized, substantially increases detection efficiency.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 2 and figure are please referred to
3, feeding device 5 includes for realizing the vibrator feeder 51 of the self-feeding of roller 10, set on the output of vibrator feeder 51
The conveyer belt 52 at end, conveyer belt 52 are used to be delivered to turntable 11, the shaft of roller 10 and turntable 11 for what roller 10 was vertically spaced
In parallel, conveyer belt 52 and turntable 11 are tangent, and the linear velocity of conveyer belt 52 is adapted with the linear velocity at 11 edge of turntable.
Optionally, frame 7 is equipped with gap, and vibrator feeder 51 and turntable 11 are located at the two sides of frame 7, not directly
Rigid connection avoids the image definition of vibration the image end face imaging device 3 and outer circle molding machine 2 of vibrator feeder 51.
By the frequency of delivery and delivery interval of the adjustable roller 10 of conveyer belt 52, conveyer belt 52 and turntable 11 are tangent, and point of contact position
The linear velocity for setting conveyer belt 52 is identical as the linear velocity of turntable 11, therefore can realize that smooth being transitioned by conveyer belt 52 of roller 10 turns
On disk 11.Optionally, control unit 4 is electrically connected with the driving motor of conveyer belt 52, the conveying speed of adjustable conveyer belt 52.
In the present solution, the conveying direction of roller can be adjusted according to demand by the design of conveyer belt, turn so that roller is smoothly transitted into
Disk.
As a kind of specific embodiment of roller surface defect detecting system provided by the invention, Fig. 2 and Fig. 3 are please referred to
And Fig. 5, the end of conveyer belt 52 are equipped with the photoelectric sensor 53 for counting, photoelectric sensor 53 is electrically connected with control unit 4,
It for carrying out the counting of roller, counts by the counting of hardware and the software of control unit 4 and carries out double count, it is ensured that equipment fortune
Without missing inspection situation during row.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. roller surface defect detecting system characterized by comprising
Roller rotationally conveying device, the roller rotation parallel with the shaft of the roller rotationally conveying device for driving axis are defeated
It send；
Outer circle imaging device, for obtaining the outer circular image of roller；
End face imaging device, for obtaining the end face figure like of roller, the end face imaging device is set to roller rotation conveying
The two sides up and down of device；
Control unit, what outer circular image and the end face imaging device for receiving the outer circle imaging device transmission were sent
End face figure like obtains the surface defect type of roller and exports NG signal or OK signal；And
Sorting unit for receiving the NG signal or OK signal of described control unit sending, and will test the roller of completion by pre-
If corresponding control signal sorting conveying, the sorting unit are electrically connected with the control unit.
2. roller surface defect detecting system as described in claim 1, which is characterized in that the roller rotationally conveying device is
Turntable conveying mechanism, the turntable conveying mechanism include:
Turntable, for placing the axis roller parallel with the shaft of the turntable, the turntable is transparent material product；
Driving unit, for driving the turntable to rotate, the driving unit is electrically connected with the control unit；And
Encoder, set on the output shaft end of the driving unit, the encoder is electrically connected with the control unit for by institute
The rotation angle for stating driving unit is sent to described control unit.
3. roller surface defect detecting system as claimed in claim 2, which is characterized in that the outer circle imaging device includes:
Camera unit, for the outer circular image for obtaining roller of taking pictures, the camera unit have it is multiple, multiple camera units with
The turntable is arranged in angle, and multiple camera units are arranged by new ro-tational axis of the shaft of the turntable, two neighboring
Interval angles between the camera unit are identical；
Support plate, for installing the camera unit, the support plate is set in parallel above the turntable；And
Locating rod is arranged in the support plate and for installing the camera unit, diameter of the locating rod along the turntable
Adjustable to direction length, the end of the locating rod is equipped with the mounting portion with the turntable in angle setting.
4. roller surface defect detecting system as claimed in claim 3, which is characterized in that the camera unit includes:
At least one outside camera unit, the outside camera unit are set to the outside of the turntable, and with the turntable in folder
Angle setting, for shooting the outer circle of roller far from the side of the shaft of the turntable；
At least one inside camera unit, the inside camera unit are set to the inside of the turntable, and with the turntable in folder
Angle setting, for shooting the outer circle of roller close to the other side of the shaft of the turntable.
5. roller surface defect detecting system as described in claim 1, which is characterized in that the end face imaging device includes:
The top of the roller rotationally conveying device is arranged, for shooting the upper surface of roller in first end camera unit；
The lower section of the roller rotationally conveying device is arranged, for shooting the lower end surface of roller in second end camera unit；And
Position sensor, for detecting roller position, the position sensor is electrically connected with the control unit for triggering
It states first end camera unit and the second end camera unit is taken pictures.
6. roller surface defect detecting system as described in claim 1, which is characterized in that the sorting unit includes:
End face NG sorting mechanism, for sorting out the roller of end face existing defects from the roller rotationally conveying device；
Outer circle NG sorting mechanism, for sorting out the roller of outer circle existing defects from the roller rotationally conveying device；And
Qualified product sorting mechanism, for sorting out qualified roller from the roller rotationally conveying device.
7. roller surface defect detecting system as claimed in claim 6, which is characterized in that the end face NG sorting mechanism packet
It includes:
End face NG sorts frame, for receiving the roller of end face existing defects；
First inflatable body sorts frame for blowing roller from the roller rotationally conveying device to the end face NG, described
First inflatable body is electrically connected with the control unit；
The outer circle NG sorting mechanism includes:
Outer circle NG sorts frame, for receiving the roller of outer circle existing defects；
Second inflatable body sorts frame for blowing roller from the roller rotationally conveying device to the outer circle NG, described
Second inflatable body is electrically connected with the control unit；
The qualified product sorting mechanism includes:
Qualified product sorts frame, for receiving qualified roller；
Third inflatable body sorts frame for blowing roller from the roller rotationally conveying device to the qualified product, described
Third inflatable body is electrically connected with the control unit.
8. roller surface defect detecting system as claimed in claim 6, which is characterized in that along the roller rotationally conveying device
Direction of rotation, the end face imaging device, end face NG sorting mechanism, the outer circle imaging device, the outer circle NG sorting machine
Structure and the qualified product sorting mechanism are sequentially arranged.
9. such as the described in any item roller surface defect detecting systems of claim 2-8, which is characterized in that further include:
Feeding device, for by roller vertical transport to the turntable, the upper surface of the feeding device to be upper with the turntable
Flush.
10. roller surface defect detecting system as claimed in claim 9, which is characterized in that the feeding device includes:
Vibrator feeder；
Conveyer belt, set on the output end of the vibrator feeder, the turntable that is delivered to for roller to be vertically spaced is described
Conveyer belt and the turntable are tangent, and the linear velocity of the conveyer belt is identical as the linear velocity of the disk edge.
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| CN201810973830.0A CN109164110B (en) | 2018-08-24 | 2018-08-24 | Roller surface defect detection system |
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|---|---|---|---|
| CN201810973830.0A CN109164110B (en) | 2018-08-24 | 2018-08-24 | Roller surface defect detection system |
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| CN112098429A (en) * | 2020-09-18 | 2020-12-18 | 广东川田卫生用品有限公司 | Packaged product defect detection equipment based on machine vision |
| CN112697795A (en) * | 2020-12-02 | 2021-04-23 | 神华铁路装备有限责任公司 | Wheel set flaw detection equipment and method |
| CN113399303A (en) * | 2021-06-10 | 2021-09-17 | 浙江科技学院 | Bearing roller defect detection system and detection method based on machine vision |
| CN114850057A (en) * | 2022-05-10 | 2022-08-05 | 苏州天准科技股份有限公司 | Electrode comprehensive detection equipment and detection method |
| CN116952959A (en) * | 2023-06-06 | 2023-10-27 | 国网江苏省电力有限公司营销服务中心 | Residential cable terminal detection equipment for power grid construction engineering |
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| CN112697795A (en) * | 2020-12-02 | 2021-04-23 | 神华铁路装备有限责任公司 | Wheel set flaw detection equipment and method |
| CN113399303A (en) * | 2021-06-10 | 2021-09-17 | 浙江科技学院 | Bearing roller defect detection system and detection method based on machine vision |
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| CN116952959B (en) * | 2023-06-06 | 2024-03-15 | 国网江苏省电力有限公司营销服务中心 | Residential cable terminal detection equipment for power grid construction engineering |
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