CN212872234U - Visual detection device for surface scratches of retainer of planar thrust bearing - Google Patents
Visual detection device for surface scratches of retainer of planar thrust bearing Download PDFInfo
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- CN212872234U CN212872234U CN202021471040.1U CN202021471040U CN212872234U CN 212872234 U CN212872234 U CN 212872234U CN 202021471040 U CN202021471040 U CN 202021471040U CN 212872234 U CN212872234 U CN 212872234U
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 230000000007 visual effect Effects 0.000 title claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000011179 visual inspection Methods 0.000 claims 4
- 239000011324 bead Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
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Abstract
The utility model discloses a plane thrust bearing holder surface mar visual detection device, including arm sorting device, industry CCD camera, annular light source, conveyor belt mechanism, transparent branch parting bead, opaque baffle, position detection mechanism, frame, camera fixed plate, camera support frame, light source support frame, slide bar. The non-transparent baffles are adhered to two sides of the conveyor belt mechanism, the transparent separation strips are fixed on the conveyor belt mechanism in an equidistant mode, and the sliding rods are fixed on one side of the rack; the camera support frame is fixed on the sliding rod, the camera fixing plate is installed on the camera support frame, and the industrial CCD camera is fixed on the camera fixing plate; the annular light source is fixed on the light source support frame, and the industrial CCD camera is positioned above the annular light source.
Description
Technical Field
The utility model relates to a surface mar detection device especially relates to an utilize machine vision technique to carry out automated inspection's device to plane thrust bearing retainer surface mar.
Background
The plane thrust bearing retainer is used as a basic part of an automobile plane thrust bearing, and the surface defects of the plane thrust bearing retainer can influence the working condition and the service life of the bearing, so that the whole automobile quality and the safety performance of an automobile can be influenced. At present, each production enterprise detects the surface scratch defects of the retainer completely through a mode of artificial visual observation. The detection method has the advantages of high cost, low efficiency, high labor intensity of workers, easy error of visual fatigue after long-term work, poor reliability of detection results and incapability of meeting the requirements of purchasers on product quality inspection and the requirements of enterprise transformation development. Therefore, it is an urgent need to develop an automatic and efficient device for rapidly detecting scratches on the surface of the flat thrust bearing holder.
Disclosure of Invention
To the background art not enough, the utility model aims at providing a plane thrust bearing holder surface defect detection device based on machine vision, the device easy operation, detection efficiency is high.
The utility model discloses a: mechanical arm sorting device, industry CCD camera, annular light source, conveyer belt mechanism, transparent parting strip, opaque baffle, position detection mechanism, frame, camera fixed plate, camera support frame, light source support frame, slide bar.
The non-transparent baffles are adhered to two sides of the conveyor belt mechanism, the transparent separation strips are fixed on the conveyor belt mechanism in an equidistant mode, the slide bars are fixed on one side of the rack, the camera support frame is fixed on the slide bars, the camera fixing plate is installed on the camera support frame, and the industrial CCD camera is fixed on the camera fixing plate; the light source supporting frame is fixed on the sliding rod, the annular light source is fixed on the light source supporting frame, the industrial CCD camera is positioned above the annular light source, and the mechanical arm sorting device is positioned on one side of the rack; the non-transparent baffle, the transparent separation strips and the conveyor belt in the conveyor belt mechanism form a rectangular basket for containing a thrust bearing retainer of the plane to be detected on the conveyor belt mechanism; the position detection mechanism is arranged above two sides of the conveyor belt mechanism on the rack and comprises a laser emitting unit and a laser receiving unit, wherein the laser emitting unit and the laser receiving unit are arranged on two sides of the conveyor belt mechanism and used for detecting whether the retainer of the plane thrust bearing to be detected reaches a specified position.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an automated inspection and on-line measuring of plane thrust bearing holder surface mar defect can detect the surface mar defect of a plurality of plane thrust bearing holders simultaneously, compare with artifical visual detection, the utility model discloses showing and improving detection efficiency, and can effectively avoid the emergence of false retrieval.
As optimization, the camera support frame comprises a camera fixing frame, a stud and a fastening knob; the stud is matched with the nut through a through groove formed in the connecting rod of the camera fixing frame, and the camera fixing frame is provided with a through hole which is in shaft hole clearance fit with the sliding rod.
As optimization, the camera fixing plate and the industrial CCD camera can move left and right in the through groove of the camera fixing frame through the double-end stud, the horizontal position of the industrial CCD camera is adjusted, the camera fixing frame can move up and down along the sliding rod, and the vertical position of the industrial CCD camera is adjusted.
As an optimization, the light source support frame comprises: the light source fixing frame, the fastening knob and the light source fastening knob; a through groove is formed in a connecting rod of the light source fixing frame, and the left and right horizontal positions of the annular light source can be adjusted; the light source fastening knob penetrates through a through groove on a connecting rod of the light source fixing frame to be connected with the annular light source; the light source fixing frame is provided with a through hole which is in shaft hole clearance fit with the sliding rod; the light source fixing frame can move up and down along the sliding rod, the vertical position of the annular light source is adjusted, and the light source fixing frame is fixed on the sliding rod through the fastening knob.
Preferably, the conveying belt mechanism comprises a belt wheel, a belt and a motor and is used for conveying the thrust bearing retainer of the plane to be detected from the material loading position to the detection position and the sorting position.
Drawings
Fig. 1 is a general view of the device of the present invention.
Fig. 2 is a position detection mechanism diagram according to the present invention.
Fig. 3 is an industrial CCD camera and light source position adjustment mechanism diagram of the present invention.
Figure 4 is the utility model provides a wait to examine plane thrust bearing retainer block structure chart.
The labels in the figures are: 1-mechanical arm sorting device; 2-industrial CCD cameras; 3-a ring light source; 4-a conveyor belt mechanism; 5-transparent parting strip; 6-opaque baffles; 7-a position detection mechanism; 8-a frame; 9-a thrust bearing retainer of the plane to be detected; 10-camera mounting plate; 11-a camera support; 12-a light source holder; 13-a slide bar; 201-laser emission tube; 202-a first fastening nut; 203-right angle mounting tab; 204-a second fastening nut; 205-a first fastening nut; 206-a second fastening nut; 207-laser receiving tube; 208-right angle mounting tabs; 301-tightening knob; 302-tightening the knob; 303-light source fixing frame; 304-light source fastening knob; 305-a stud; 306-camera mount.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and specific embodiments (examples), but the invention is not limited thereto.
As shown in fig. 1, the utility model discloses constitute by arm sorting device 1, industry CCD camera 2, annular light source 3, conveyor belt mechanism 4, transparent parting strip 5, opaque baffle 6, position detection mechanism 7, frame 8, camera fixed plate 10, camera support frame 11, light source support frame 12, slide bar 13.
The industrial CCD camera comprises a conveyor belt mechanism 4, a plurality of transparent separation strips 5, a plurality of opaque baffles 6, a camera support frame 11, a camera fixing plate 10 and an industrial CCD camera 2, wherein the conveyor belt mechanism 4 is fixed on a frame 8, the opaque baffles 6 are adhered to two sides of the conveyor belt, the transparent separation strips 5 are fixed on the conveyor belt mechanism 4 in an equidistant mode, the opaque baffles 6 are installed between the two transparent separation strips and form a rectangular basket with the transparent separation strips 5, the slide bar 13 is fixed on one side of the frame 8, the camera support frame 11 is fixed on the slide bar 13, the camera fixing plate 10 is installed on the camera support frame 11, and the industrial CCD; light source support frame 12 connect on slide bar 13, annular light source 3 fix on light source support frame 12, industry CCD camera 2 be located annular light source 3 top, arm sorting device 1 be located 8 one sides of frame, position detection mechanism 7 install and lie in conveyer belt mechanism 4 both sides top on frame 8.
As shown in fig. 2, the position detection mechanism of the present invention includes a laser emitting module (left mechanism in the figure) and a laser receiving module (right mechanism in the figure). The laser emission module is composed of a laser emission tube 201, a first fastening nut 202, a right-angle mounting sheet 203 and a second fastening nut 204, and is mounted on the frame 8 through the right-angle mounting sheet 203 and a bolt; the laser receiving module is composed of a laser receiving tube 207, a first fastening nut 205, a right-angle mounting piece 208 and a second fastening nut 206, and is mounted on the frame 8 through the right-angle mounting piece 208 and a bolt; after the laser emitting module and the laser receiving module are installed, the axis of the laser emitting tube 201 and the axis of the laser receiving tube 207 are in the same straight line. In operation, the laser emitting tube 201 is used to emit a laser beam and the laser receiving tube 207 is used to receive the laser beam. When the transparent separation strip 5 on the conveyor belt does not reach the detection position, the laser beam emitted by the laser emission tube 201 is blocked by the opaque baffle 6, and the laser receiving tube 207 cannot receive the laser beam; when the transparent separation strip 5 reaches the detection position, the transparent separation strip 5 enables a laser beam emitted by the laser emitting tube 201 to pass through, the laser receiving tube 207 receives the laser beam emitted by the laser emitting tube 201, and at the moment, the industrial CCD camera 2 is triggered to collect a frame of image and the mechanical arm sorting device 1 is triggered to sort the unqualified planar thrust bearing retainer to be detected.
As shown in fig. 3, the camera support 11 includes a camera mount 306, a stud 305, and a fastening knob 301; the stud 305 is matched with a nut through a through groove arranged on the connecting rod of the camera fixing frame 306, and a through hole is arranged on the camera fixing frame 306 and is in shaft hole clearance fit with the sliding rod 13. The camera fixing plate 10 is connected with the industrial CCD camera 2 through screws, and can move in the through groove of the camera fixing frame 306 through the stud bolts 305 to adjust the horizontal position of the industrial CCD camera 2; the camera fixing frame 306 can move up and down along the sliding rod 13, the vertical position of the industrial CCD camera is adjusted, and the camera fixing frame 306 is fixed on the sliding rod 13 through the fastening knob 301. The light source support 12 includes: the light source fixing device comprises a light source fixing frame 303, a fastening knob 302 and a light source fastening knob 304, wherein a through groove is formed in a connecting rod of the light source fixing frame 303, and the left and right horizontal positions of the annular light source 3 can be adjusted; the light source fastening knob 304 passes through a through groove on the connecting rod of the light source fixing frame 303 to be connected with the annular light source 3; the light source fixing frame 303 is provided with a through hole which is in shaft hole clearance fit with the sliding rod 13; the light source fixing frame 303 can move up and down along the sliding rod 13, adjust the vertical position of the annular light source 3, and fix the light source fixing frame 303 on the sliding rod 13 through the fastening knob 302.
The utility model discloses the working process of device is as follows:
(1) the thrust bearing holder 9 of the plane to be detected, which is placed on the conveyor belt mechanism 4, moves along with the conveyor belt;
(2) when the transparent separation strip 5 on the conveyor belt mechanism reaches the position detection mechanism 7, the laser receiving tube 207 in the position detection mechanism 7 receives a laser beam emitted by the laser emitting tube 201, the position detection mechanism 7 sends a trigger signal to the CCD industrial camera 2, the CCD industrial camera 2 collects an image I of a thrust bearing holder to be detected in a rectangular basket below the CCD industrial camera and judges the qualification of the thrust bearing holder to be detected in the rectangular basket on the current conveyor belt by adopting an image processing program, and the central coordinates (xi, yi) of n unqualified thrust bearing holders are recorded, wherein I is 1,2, …, n;
(3) converting the central coordinates of the n unqualified plane thrust bearing holders obtained in the step (2) into corresponding physical coordinates (Xi, Yi, Z) (i is 1,2, …, n) in the mechanical arm sorting device 1, wherein Z is a corresponding height physical coordinate of the upper surface of the plane thrust bearing holder to be detected in the mechanical arm sorting device and can be measured through experiments;
(3) the mechanical arm sorting device 1 removes the unqualified products according to the corresponding physical coordinates (Xi, Yi, Z), i is 1,2, …, m, of the centers of the m unqualified plane thrust bearing holders in the previous rectangular basket in the mechanical arm sorting device 1; in the removing process, the conveyor belt mechanism is in a pause running state, and the conveyor belt mechanism continues to run after all unqualified products are removed;
(4) when the next transparent division bar 5 reaches the position detection mechanism 7, the above-described process is repeated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a plane thrust bearing holder surface mar visual detection device which characterized in that: the automatic sorting machine comprises a mechanical arm sorting device, an industrial CCD camera, an annular light source, a conveying belt mechanism, transparent separating strips, opaque baffles, a position detection mechanism, a rack, a camera fixing plate, a camera supporting frame, a light source supporting frame and sliding rods;
the non-transparent baffles are adhered to two sides of the conveyor belt mechanism, the transparent separation strips are fixed on the conveyor belt mechanism in an equidistant mode, the sliding rods are fixed on one side of the rack, the camera support frame is fixed on the sliding rods, the camera fixing plate is installed on the camera support frame, and the industrial CCD camera is fixed on the camera fixing plate; the light source supporting frame is fixed on the sliding rod, the annular light source is fixed on the light source supporting frame, the industrial CCD camera is positioned above the annular light source, and the mechanical arm sorting device is positioned on one side of the rack;
the non-transparent baffle, the transparent separation strips and the conveyor belt in the conveyor belt mechanism form a rectangular basket for containing a thrust bearing retainer of the plane to be detected on the conveyor belt mechanism;
the position detection mechanism is arranged above two sides of the conveyor belt mechanism on the rack and comprises a laser emitting unit and a laser receiving unit, wherein the laser emitting unit and the laser receiving unit are arranged on two sides of the conveyor belt mechanism and used for detecting whether the retainer of the plane thrust bearing to be detected reaches a specified position.
2. The visual inspection device for scratches on the surface of a flat thrust bearing holder according to claim 1, wherein: the camera support frame comprises a camera fixing frame, a double-end stud and a fastening knob; the stud is matched with the nut through a through groove formed in the connecting rod of the camera fixing frame, and the camera fixing frame is provided with a through hole which is in shaft hole clearance fit with the sliding rod.
3. The visual inspection device for scratches on the surface of a flat thrust bearing holder according to claim 1, wherein: the camera fixing plate and the industrial CCD camera can move left and right in the through groove on the camera fixing frame through the double-end stud, the horizontal position of the industrial CCD camera is adjusted, the camera fixing frame can move up and down along the sliding rod, and the vertical position of the industrial CCD camera is adjusted.
4. The visual inspection device for scratches on the surface of a flat thrust bearing holder according to claim 1, wherein: the light source support frame includes: the light source fixing frame, the fastening knob and the light source fastening knob; a through groove is formed in a connecting rod of the light source fixing frame, and the left and right horizontal positions of the annular light source can be adjusted; the light source fastening knob penetrates through a through groove on a connecting rod of the light source fixing frame to be connected with the annular light source; the light source fixing frame is provided with a through hole which is in shaft hole clearance fit with the sliding rod; the light source fixing frame can move up and down along the sliding rod, the vertical position of the annular light source is adjusted, and the light source fixing frame is fixed on the sliding rod through the fastening knob.
5. The visual inspection device for scratches on the surface of a flat thrust bearing holder according to claim 1, wherein: the conveying belt mechanism comprises a belt wheel, a belt and a motor and is used for conveying the thrust bearing retainer to be detected to a detection position and a sorting position from a material loading position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021471040.1U CN212872234U (en) | 2020-07-23 | 2020-07-23 | Visual detection device for surface scratches of retainer of planar thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021471040.1U CN212872234U (en) | 2020-07-23 | 2020-07-23 | Visual detection device for surface scratches of retainer of planar thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872234U true CN212872234U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021471040.1U Expired - Fee Related CN212872234U (en) | 2020-07-23 | 2020-07-23 | Visual detection device for surface scratches of retainer of planar thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212872234U (en) |
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2020
- 2020-07-23 CN CN202021471040.1U patent/CN212872234U/en not_active Expired - Fee Related
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