CN213022892U

CN213022892U - Product appearance defect detection equipment

Info

Publication number: CN213022892U
Application number: CN202021283248.0U
Authority: CN
Inventors: 唐泰然
Original assignee: Wuhan Gold Testing Technology Co ltd
Current assignee: Wuhan Gold Testing Technology Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-04-20
Anticipated expiration: 2030-07-04

Abstract

The utility model relates to the technical field of detection, and discloses a product appearance defect detection device, which comprises a machine table, wherein a display screen is fixedly arranged at the top of the front surface of the machine table, the product appearance defect detection device is rotated by a first motor, an output shaft of the device drives a driven wheel to rotate through a belt, the driven wheel drives a rotating wheel to rotate, a product to be detected is driven to enter a runner, a left small camera in the runner shoots and detects the right side of the product, a camera at the bottom of the runner shoots and detects the bottom of the product, a camera at the bottom of a bearing rod shoots and detects the top of the product, a platform deck jacks up the product and rotates ninety degrees, two small cameras close to the platform deck shoot the front surface and the back surface of the product, after the shooting is completed, the platform deck circles around and falls to the original position, the camera at the bottom of, the miniature camera on the rightmost side of the flow channel shoots and detects the left side of the product, the detection is completed, the product flows out of the machine table, and the detection of the product can be realized.

Description

Product appearance defect detection equipment

Technical Field

The utility model relates to a detect technical field, specifically be a product appearance defect check out test set.

Background

The appearance detection equipment is mainly used for rapidly identifying appearance defects of a sample, such as pits, cracks, warps, gaps, stains, sand grains, burrs, bubbles, uneven color and the like, and the detected sample can be transparent or opaque.

The prior product appearance detection generally adopts a visual identification mode, so that the measuring standards are possibly inconsistent due to human factors, misjudgment can occur due to visual fatigue in long-time detection, and the appearance detection equipment cannot carry out three hundred sixty-degree photographing detection on the product and has certain limitation, so that the product appearance detection equipment adopts deep cooperation of computer technology and technologies such as light, machine and electricity, has the characteristics of quick and accurate detection, and can carry out appearance detection on the product three hundred sixty-degrees.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a product appearance defect check out test set possesses fast, accurate, can carry out three hundred sixty degrees and detect the advantage, has solved the problem that the visual identification misjudgement appears and the metric differs.

(II) technical scheme

In order to realize the above-mentioned quick, accurate, can carry out three hundred sixty degrees detection purposes, the utility model provides a following technical scheme: a product appearance defect detection device comprises a machine table, wherein a flow channel is fixedly installed in the middle of the machine table, a display screen is fixedly installed at the top of the front face of the machine table, a photoelectric sensor is fixedly installed at the top end of the flow channel, four support plates are fixedly installed at the top end of the flow channel, a small camera is fixedly installed on one side of each of the two support plates close to the microscope carrier, the microscope carrier is movably connected to the inner wall of the flow channel, a support is fixedly installed at the bottom end of the flow channel, a camera is movably installed on the inner wall of the support, a light source is movably installed at the bottom end of the camera, first motors are fixedly installed on the left side and the right side of the bottom end of the flow channel, rotating wheels are fixedly installed at the left end and the right end of the flow channel, driven wheels are fixedly installed on the back, the utility model discloses a bearing device of a motor vehicle, including bearing bar, slider, front fixed mounting support column, safety cover, telescopic link, bottom fixed mounting have the diaphragm, the top fixed mounting of bearing bar has the slide rail, the top outer wall sliding connection of slide rail has the slider, the top fixed mounting of slider has the second motor, the positive fixed mounting support column of second motor, the positive fixed mounting of slider has the safety cover, the inner wall movable mounting of safety cover has the telescopic link, the left side fixed mounting of telescopic link has the rack, the bottom fixed mounting of telescopic link has the diaphragm, the top movable mounting of diaphragm has vacuum generator.

Preferably, the output shaft of first motor fixed mounting has the action wheel to through belt and follow driving wheel swing joint, drive the runner and rotate, drive and wait to detect the product and get into the detection zone.

Preferably, the output shaft of the second motor is meshed with the rack to drive the telescopic rod to extend out and retract up and down.

Preferably, the number of the cameras and the light sources is two, and the cameras and the light sources are installed at the bottoms of the flow channel and the bearing rod, so that the top and the bottom of the product can be photographed and detected.

Preferably, the number of the support plates and the number of the miniature cameras are four, and one side of each support plate, which is far away from the carrier, of the back of each support plate is fixedly connected with the two miniature cameras.

Preferably, the inner wall of the flow channel is fixedly provided with five telescopic cylinders, and the telescopic cylinders are fixedly arranged behind the photoelectric sensor to limit the moving position of the product.

Preferably, the number of the vacuum suckers is four, the angle formed by the suckers is fifty degrees, and the attaching degree is high.

(III) advantageous effects

Compared with the prior art, the utility model provides a product appearance defect check out test set possesses following beneficial effect:

1. this product appearance defect check out test set, rotate through first motor, its output shaft passes through the belt and drives from the driving wheel rotation, it rotates to drive from the driving wheel drive runner, it treats product entering runner to drive, left small-size camera shoots the detection to the right side of product in the runner, the camera of runner bottom shoots the detection to the bottom of product, the camera of bearing bar bottom shoots the detection to the top of product, microscope carrier jack-up product and rotation ninety degrees, two small-size cameras that are close to the microscope carrier are shot the front and the back of product, the back of shooing is accomplished, the microscope carrier circles round and falls to the normal position, the camera of bearing bar bottom shoots the detection to the top of product, last product flows, the small-size camera on the rightmost side of runner shoots the detection to the left side of product, detect the completion, product outflow board, can realize that the product detects.

2. This product appearance imperfections check out test set, rotation through second motor output shaft, the upper and lower stretching out and the withdrawal of telescopic link are being driven, when the telescopic link is down stretched out, vacuum generator opens, make vacuum chuck adsorb on the product surface, the second motor rotates, lift the telescopic link, the product is mentioned by vacuum chuck, the camera of below is shot to the product bottom and is detected, detect the completion back, the telescopic link descends, the vacuum is inhaled and is closed, the telescopic link rises, the photoelectric sensing ware, the camera, the light source and the combined use who blocks the cylinder, realize accurately, short-term test.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the flow channel and the structure thereof;

fig. 3 is an enlarged schematic view of the first motor and the structure to which the first motor belongs according to the present invention;

fig. 4 is an enlarged schematic view of the structure of the vacuum suction generator of the present invention.

FIG. 5 is a schematic view of the bearing bar and the structure thereof;

in the figure: 1. a machine platform; 2. a flow channel; 3. a photoelectric sensor; 4. a support plate; 5. a miniature camera; 6. a rotating wheel; 7. a first motor; 8. a driven wheel; 9. a camera; 10. a light source; 11. a load-bearing bar; 12. a chute; 13. a slide rail; 14. a slider; 15. a support pillar; 16. a second motor; 17. a rack; 18. a telescopic rod; 19. a vacuum generator; 20. a transverse plate; 21. a vacuum chuck; 22. a display screen; 23. a support; 24. a protective cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a product appearance defect detecting apparatus includes a machine table 1, a flow channel 2 is fixedly installed in the middle of the machine table 1, a display screen 22 is fixedly installed on the top of the front surface of the machine table 1, a photoelectric sensor 3 is fixedly installed on the top end of the flow channel 2, five telescopic cylinders are fixedly installed on the inner wall of the flow channel 2, and the telescopic cylinders are fixedly installed behind the photoelectric sensor 3 for limiting the moving position of a product; the top end of the flow channel 2 is fixedly provided with four support plates 4, the inner wall of the flow channel 2 is movably connected with a carrier 25, one sides of the two support plates 4 close to the carrier 25 are fixedly provided with miniature cameras 5, the number of the support plates 4 and the number of the miniature cameras 5 are four, and the opposite sides of the two support plates 4 far away from the carrier 25 are fixedly connected with the two miniature cameras 5; the bottom end of the flow channel 2 is fixedly provided with a support 23, the inner wall of the support 23 is movably provided with a camera 9, the bottom end of the camera 9 is movably provided with a light source 10, the number of the cameras 9 and the number of the light sources 10 are two, and the bottoms of the flow channel 2 and the bearing rod 11 are both provided with the cameras 9 and the light sources 10, so that the top and the bottom of the product are photographed and detected; the left side and the right side of the bottom end of the flow channel 2 are fixedly provided with a first motor 7, the left end and the right end of the flow channel 2 are fixedly provided with rotating wheels 6, the back surfaces of the two rotating wheels 6 are fixedly provided with driven wheels 8, an output shaft of the first motor 7 is fixedly provided with a driving wheel and is movably connected with the driven wheels 8 through a belt, so that a product to be detected is driven to enter the detection area; a bearing rod 11 is fixedly installed at the top of the inner wall of the machine table 1, a sliding groove 12 is formed in the bottom end of the bearing rod 11, a sliding rail 13 is fixedly installed at the top end of the bearing rod 11, a sliding block 14 is connected to the outer wall of the top of the sliding rail 13 in a sliding mode, a second motor 16 is fixedly installed at the top of the sliding block 14, and an output shaft of the second motor 16 is meshed with a rack 17 to drive a telescopic rod 18 to extend out and retract up and down; the front fixed mounting support column 15 of second motor 16, the front fixed mounting of slider 14 has safety cover 24, the inner wall movable mounting of safety cover 24 has telescopic link 18, the left side fixed mounting of telescopic link 18 has rack 17, the bottom fixed mounting of telescopic link 18 has diaphragm 20, the top movable mounting of diaphragm 20 has vacuum generator 19, the inner wall movable mounting of diaphragm 20 has vacuum chuck 21, vacuum chuck 21's quantity sets up to four, and the angle that the sucking disc was seted up is fifty degrees, and the laminating degree is high.

The working principle is that through the rotation of a first motor 7, an output shaft of the first motor 7 drives a driven wheel 8 to rotate through a belt, the driven wheel 8 drives a product to be detected to enter a flow channel 2, a leftmost photoelectric sensor 3 senses the inflow of the product, a blocking cylinder extends out to block the product from flowing downwards continuously, a leftmost miniature camera 5 performs photographing detection on the right side of the product, after the detection is finished, the blocking cylinder retracts and the product flows downwards, after a second photoelectric sensor 3 senses the product, the following blocking cylinder extends out to block the product from flowing downwards, a second motor 16 at the top of a bearing rod 11 rotates, a rack 17 fixedly connected with the outer wall of a telescopic rod 18 is meshed to drive the telescopic rod 18 to move downwards and extend out, then a vacuum generator 19 is started, a vacuum sucker 21 is adsorbed on the surface of the product, the second motor 16 rotates reversely to drive the telescopic rod 18, the vacuum sucker 21 is, the light source 10 and the camera 9 at the bottom of the flow channel 2 are started to perform photographing detection on the bottom of a product, after the detection is finished, the second motor 16 rotates to enable the telescopic rod 18 to move downwards, the product is placed back into the flow channel 2, the vacuum generator 19 is closed, the vacuum chuck 21 loosens the product, the second motor 16 rotates reversely to drive the telescopic rod 18 to retract, the second blocking cylinder retracts to enable the product to flow downwards, after the third photoelectric sensor 3 senses the product, the blocking cylinder thereafter blocks the product to flow downwards, the carrier 25 ascends to jack up the product and rotates for ninety degrees, the two small cameras 5 close to the carrier 25 perform photographing detection on the front surface and the back surface of the product, after the detection is finished, the carrier 25 circles around and descends, the product is recovered to the original position, the blocking cylinder retracts, the product to flow downwards, the fourth photoelectric sensor 3 senses the product, the blocking cylinder thereafter stretches out to block the product to flow downwards, the light source 10 and the camera 9 at, after the detection is finished, the blocking cylinder retracts, the product flows downwards, the photoelectric sensor 3 at the rightmost side of the flow channel 2 senses the product, the blocking cylinder extends out to block the product from flowing out, the miniature camera 5 at the rightmost side of the flow channel 2 performs photographing detection on the left side of the product, after the detection is finished, the blocking cylinder retracts, the product flows out, photographing results of the camera 9 are collected through the image acquisition card and are displayed on the display screen 22, the detection result can be directly seen, various flaw defects on the surface of the product are inevitably different from the defect of the product in optical characteristics, after light is incident on the surface of the product, various flaw defects show different types from the surroundings in reflection, refraction and the like, for example, when uniform light is vertically incident on the surface of the product, if the surface of the product has no flaw defect, the emergent direction cannot be changed, and the light detected by machine vision is also uniform, when the surface of a product contains a flaw defect, the emergent light changes, the detected image also changes, stress concentration and deformation occur around the flaw due to the existence of the flaw, the flaw is easy to observe in the image, if a light transmission type flaw (such as a crack, an air bubble and the like) is met, the light refracts at the position of the flaw, the intensity of the light is higher than that of the surrounding light, the light detected on the target surface of the camera 9 is correspondingly enhanced, if a light absorption type impurity (such as sand grains and the like) is met, the light at the position of the flaw is weakened, the light detected on the target surface of the camera 9 is weaker than the surrounding light, and the machine vision analysis camera 9 can acquire corresponding flaw information according to the strength change and the image characteristics of an image signal acquired by the camera 9.

To sum up, the product appearance defect detection device rotates through the first motor 7, the output shaft of the device drives the driven wheel 8 to rotate through the belt, the driven wheel 8 drives the rotating wheel 6 to rotate, the product to be detected is driven to enter the runner 2, the small camera 5 on the left side in the runner 2 performs shooting detection on the right side of the product, the camera 9 at the bottom of the runner 2 performs shooting detection on the bottom of the product, the camera 9 at the bottom of the bearing rod 11 performs shooting detection on the top of the product, the platform 25 jacks up the product and rotates ninety degrees, the two small cameras 5 close to the platform 25 perform shooting detection on the front side and the back side of the product, after the shooting is completed, the platform 25 rotates around and falls to the original position, the camera 9 at the bottom of the bearing rod 11 performs shooting detection on the top of the product, finally, the product flows out, the small camera 5 on the rightmost side of, can realize that the three hundred sixty degrees of product detect, rotation through the 16 output shafts of second motor, drive the upper and lower stretching out and retracting of telescopic link 18, when telescopic link 18 stretches out down, vacuum generator 19 opens, make vacuum chuck 21 adsorb on the product surface, second motor 16 rotates, lift telescopic link 18, the product is mentioned by vacuum chuck 21, camera 9 of below is shot to the product bottom and is detected, detect the completion back, telescopic link 18 descends, the vacuum is inhaled and is closed, telescopic link 18 rises, photoelectric sensing ware 3, camera 9, light source 10 and the combined use who blocks the cylinder, realize accurately, short-term test.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a product appearance defect check out test set, includes board (1), its characterized in that: the photoelectric detection system is characterized in that a flow channel (2) is fixedly installed in the middle of the machine table (1), a display screen (22) is fixedly installed at the top of the front face of the machine table (1), a photoelectric sensor (3) is fixedly installed at the top end of the flow channel (2), four support plates (4) are fixedly installed at the top end of the flow channel (2), a carrying table (25) is movably connected to the inner wall of the flow channel (2), small cameras (5) are fixedly installed on one sides of the two support plates (4) close to the carrying table (25), a support (23) is fixedly installed at the bottom end of the flow channel (2), cameras (9) are movably installed on the inner wall of the support (23), a light source (10) is movably installed at the bottom end of each camera (9), first motors (7) are fixedly installed on the left side and the right side of the bottom end of the flow channel (2), rotating wheels (, the back of two runner (6) all fixed mounting have from driving wheel (8), the inner wall top fixed mounting of board (1) has bearing bar (11), spout (12) have been seted up to the bottom of bearing bar (11), the top fixed mounting of bearing bar (11) has slide rail (13), the top outer wall sliding connection of slide rail (13) has slider (14), the top fixed mounting of slider (14) has second motor (16), the positive fixed mounting support column (15) of second motor (16), the positive fixed mounting of slider (14) has safety cover (24), the inner wall movable mounting of safety cover (24) has telescopic link (18), the left side fixed mounting of telescopic link (18) has rack (17), the bottom fixed mounting of telescopic link (18) has diaphragm (20), the top movable mounting of diaphragm (20) has vacuum generator (19), and a vacuum sucker (21) is movably arranged on the inner wall of the transverse plate (20).

2. The apparatus for detecting defects in the appearance of a product according to claim 1, wherein: and an output shaft of the first motor (7) is fixedly provided with a driving wheel and is movably connected with a driven wheel (8) through a belt.

3. The apparatus for detecting defects in the appearance of a product according to claim 1, wherein: and an output shaft of the second motor (16) is meshed and connected with the rack (17).

4. The apparatus for detecting defects in the appearance of a product according to claim 1, wherein: the number of the cameras (9) and the number of the light sources (10) are two, and the cameras (9) and the light sources (10) are installed at the bottoms of the flow channel (2) and the bearing rod (11).

5. The apparatus for detecting defects in the appearance of a product according to claim 1, wherein: the number of the support plates (4) and the number of the small cameras (5) are four, and one side of each support plate (4) far away from the carrying platform (25), which is back to the back, is fixedly connected with the two small cameras (5).

6. The apparatus for detecting defects in the appearance of a product according to claim 1, wherein: the inner wall of the flow channel (2) is fixedly provided with five telescopic cylinders, and the telescopic cylinders are fixedly arranged behind the photoelectric sensor (3).

7. The apparatus for detecting defects in the appearance of a product according to claim 1, wherein: the number of the vacuum suction cups (21) is four, and the angle formed by the suction cups is fifty degrees.