CN-122016813-A - Surface flaw detection equipment based on machine vision and application in high-frequency wire harness

CN122016813ACN 122016813 ACN122016813 ACN 122016813ACN-122016813-A

Abstract

The invention discloses surface flaw detection equipment based on machine vision and application of the surface flaw detection equipment in a high-frequency wire harness, and relates to the technical field of machine vision detection. The surface flaw detection equipment based on machine vision and the application of the high-frequency wire harness disclosed by the invention have the effects that the high-frequency wire harness flows onto the partition ring frame in the transmission process, moves under the assistance of each guide roller, realizes the primary buffering of the high-frequency wire harness, then passes through the damping sleeve, and realizes the one-stage damping and the two-stage damping of the high-frequency wire harness by the damping air bag layer matched with each damping spring rod, so that the high-frequency wire harness moving to the machine vision detection mechanism is ensured to be in a stable state, the deviation of the detection result caused by vibration is avoided, and the accuracy of the machine vision detection result is further improved.

Inventors

YANG XUGUANG
ZHU JIABING
TANG CHAO
YU XU
LI SHUJUN
ZHANG XINLEI
LIN PEI

Assignees

昆煜高频(苏州)技术有限公司

Dates

Publication Date: 20260512
Application Date: 20260226

Claims (10)

1. The surface flaw detection equipment based on machine vision comprises a base (1), and is characterized in that a detection frame (2) is fixedly connected to the base (1), two machine vision detection mechanisms (5) are symmetrically distributed on the inner side wall of the detection frame (2), separation sheets (4) are fixedly connected to the inner ring surfaces of the top and the bottom, two mounting rods (11) are fixedly connected to one side of the base (1), a separation damping mechanism (6) is arranged at one end of each of the two mounting rods (11), the separation damping mechanism (6) comprises a separation ring frame (601) and a damping sleeve (608), the separation ring frame (601) is fixedly connected to one end of each of the two mounting rods (11), one side wall of each damping sleeve (608) is fixedly connected with a first mounting ring frame (606), one side of each of the first mounting ring frame (606) is fixedly connected to the same side of the two separation sheets (4), one end of each damping sleeve (608) faces the separation ring frame (601) and is fixedly connected with a guide cover (605), one side wall of each damping sleeve (608) is fixedly connected with a same spring layer (607) close to two ends, each spring layer (611) is connected with one end of each spring layer (611) at equal distance, the inner side wall of the partition ring frame (601) is equidistantly connected with a guide roller (602) through a bearing.
2. The machine vision-based surface flaw detection device according to claim 1, wherein two sides of the partition ring frame (601) close to the dome (605) are fixedly connected with side rods (603), opposite ends of the two side rods (603) are fixedly connected with tension adjusting rails (604), adjusting sliding blocks (617) are slidably connected to the interiors of the two tension adjusting rails (604), one shaft bracket (616) is fixedly connected to one opposite side of the two adjusting sliding blocks (617), one connecting shaft (615) is connected to two side inner walls of the shaft bracket (616) through bearings, and tension adjusting rollers (609) are fixedly connected to outer side walls of the connecting shafts (615).
3. The machine vision-based surface flaw detection device according to claim 2, wherein the top of the two tension adjusting rails (604) is fixedly connected with the same upper frame (610), the bottom of the upper frame (610) is fixedly connected with a first hydraulic cylinder (613), the output end of the first hydraulic cylinder (613) is fixedly connected with a pressure plate (614), the top of the shaft bracket (616) is provided with a mounting groove, the bottom inner wall of the mounting groove is fixedly connected with a pressure-bearing sensor (619), the mounting groove is located at the bottom inner wall of the periphery of the pressure-bearing sensor (619) and is annularly provided with telescopic connecting rods (618), and the pressure plate (614) is fixedly connected with the tops of the telescopic connecting rods (618).
4. The machine vision-based surface flaw detection device according to claim 1, wherein the two sides of the spacing piece (4) located above are provided with real-time marking mechanisms (13), the real-time marking mechanisms (13) comprise a limiting rail (1301), the limiting rail (1301) is fixedly connected to one side of the spacing piece (4), a limiting slider (1302) is slidingly connected to the inside of the limiting rail (1301), a pulling spring (1306) is fixedly connected to one side of the limiting slider (1302) located inside the limiting rail (1301), and one end of the pulling spring (1306) is fixedly connected to one side inner wall of the limiting rail (1301).
5. The machine vision-based surface flaw detection device according to claim 4, wherein two sides of the limit rail (1301) above the limit slider (1302) are fixedly connected with the same external frame (1305), the bottom of the external frame (1305) is fixedly connected with an electromagnet one (1304), one side of the limit slider (1302) facing the electromagnet one (1304) is fixedly connected with a fixed block (1313), the top of the fixed block (1313) is fixedly connected with an iron block two (1314), and the iron block two (1314) is in contact with the electromagnet one (1304).
6. The machine vision-based surface flaw detection device according to claim 5, wherein the limit slider (1302) is located in the middle and provided with a through operation hole, an inner wall of the operation hole is fixedly connected with a built-in ring (1312), one side of the built-in ring (1312) facing a center point of the limit rail (1301) is fixedly connected with a pulling spring two (1310), one end of each pulling spring two (1310) is fixedly connected with the same external ring (1311), the inner side of the external ring (1311) is fixedly connected with a marker pen (1303), one side of the external ring (1311) close to each pulling spring two (1310) is fixedly connected with an iron block one (1309), one side of the built-in ring (1312) facing each iron block one (1309) is fixedly connected with a fixing rod (1307), the bottom end of the fixing rod (1307) is fixedly connected with an electromagnet two (1308), and the electromagnet two (1308) is in contact with the iron block one (1309).
7. The machine vision-based surface flaw detection device according to claim 6, wherein one side of the two separation sheets (4) far away from the damping sleeve (608) is fixedly connected with a second installation ring frame (14), the inner side wall of the second installation ring frame (14) is fixedly connected with a flow guide pipe (3), the inner side wall of the flow guide pipe (3) close to the lower side is equidistantly connected with rotating shafts (15) through bearings, and the outer side wall of each rotating shaft (15) is fixedly connected with an auxiliary roller (16).
8. The machine vision-based surface flaw detection device according to claim 1, wherein one side of the base (1) is fixedly connected with a supporting plate (9), and the supporting plate (9) is far away from the top fixedly connected with lifting rod (8) of the detection frame (2), the top fixedly connected with solid fixed ring (17) of the lifting rod (8), the solid fixed ring (17) is provided with a surface cleaning mechanism (7), the surface cleaning mechanism (7) comprises a cleaning sleeve (701), the cleaning sleeve (701) is fixedly connected with the solid fixed ring (17), the supporting plate (9) is close to the top fixedly connected with a collecting box (10) of the lifting rod (8), the top fixedly connected with an adsorption pump (12) of the collecting box (10), the conveying end of the adsorption pump (12) is connected with the inside of the collecting box (10) through a pipeline, and the collecting end of the adsorption pump (12) is connected with a collecting cavity formed in the inside of the cleaning sleeve (701) through a pipeline.
9. The machine vision-based surface flaw detection device according to claim 8, wherein the inner side wall of the cleaning sleeve (701) is equidistantly separated from the collecting hole (713), and one side of the cleaning sleeve (701) away from the detection frame (2) is fixedly connected with the annular guide rail (711), the annular guide rail (711) is internally and slidably connected with the annular slide plate (712), one side of the annular slide plate (712) facing the inside of the cleaning sleeve (701) is equidistantly fixedly connected with the rotary brush plate (710), one side of the rotary brush plate (710) facing the center line of the cleaning sleeve (701) is provided with bristles (709), the outer side wall of the annular slide plate (712) is fixedly connected with the driven rotary teeth (707), one side of the annular guide rail (711) is fixedly connected with the motor frame (702), one side of the motor frame (702) is fixedly connected with the driving motor (703), the output shaft of the driving motor (703) is fixedly connected with the driving shaft (704) through the coupling, the outer side wall of the driving rotary teeth (707) and the driven rotary teeth (708) are meshed, the outer side wall of the cleaning sleeve (701) facing downwards is fixedly connected with the connecting rod (708), and the connecting rod (708) is fixedly connected with the connecting rod (706).
10. Use of a machine vision based surface flaw detection device according to any of claims 1-9 in a high frequency wire harness.

Description

Surface flaw detection equipment based on machine vision and application in high-frequency wire harness Technical Field The invention relates to the technical field of machine vision detection, in particular to surface flaw detection equipment based on machine vision and application of the surface flaw detection equipment to a high-frequency wire harness. Background The machine vision detection is to simulate human vision functions by using hardware and algorithms such as a camera, a lens, a light source, image processing software and the like, perform non-contact measurement, identification, positioning and detection on a target object, and generally detect surface flaws by using a machine vision detection mechanism in the high-frequency wire harness manufacturing process. In the existing surface flaw detection equipment based on machine vision, in the process of carrying out high-frequency wire harness surface flaw detection, the high-frequency wire harness is in a low-frequency vibration state in the conveying process, so that the contrast of tiny flaws such as fine scratches and slight pits can be reduced, even the flaws completely disappear in a fuzzy background, and the detection omission is caused, so that the accuracy of the high-frequency wire harness surface flaw detection result is reduced. Disclosure of Invention The invention discloses a surface flaw detection device based on machine vision, and aims to solve the technical problem that in the process of carrying out surface flaw detection on a high-frequency wire harness, the conventional surface flaw detection device based on machine vision is in a low-frequency vibration state in the conveying process of the high-frequency wire harness, so that the contrast of tiny flaws such as fine scratches and slight pits can be reduced, and even completely disappear in a blurred background to cause missed detection, thereby reducing the accuracy of the surface flaw detection result of the high-frequency wire harness. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a surface flaw check out test set based on machine vision, includes the base, fixedly connected with detects the frame on the base, and the inside wall symmetric distribution who detects the frame has two machine vision detection mechanisms, and the detection frame is located the equal fixedly connected with spacing piece on the interior anchor ring at top and bottom, one side fixedly connected with two installation poles of base, the one end of two installation poles is equipped with cuts off damper, cut off damper and including cutting off ring frame and damper sleeve, and cut off ring frame fixedly connected with in the one end of two installation poles, damper sleeve's lateral wall fixedly connected with installation ring frame one, and installation ring frame one fixedly connected with is in the same one side of two spacing pieces, damper sleeve is towards the one end fixedly connected with kuppe that cuts off ring frame, damper sleeve is close to the inside wall fixedly connected with shock-absorbing air bag layer at both ends, and damper sleeve is located the inside wall equidistance fixedly connected with damper spring rod outside the shock-absorbing air bag layer, the equal fixedly connected with ball is pressed to the one end of every damper spring rod, the inside wall equidistance of cutting off ring frame is connected with guide roll through the bearing. In a preferred scheme, cut off the equal fixedly connected with side pole in both sides that the ring frame is close to the kuppe, and the equal fixedly connected with tension adjustment rail of relative one end of two side poles, the equal sliding connection in inside of two tension adjustment rails has the regulation slider, the same pedestal of relative one side fixedly connected with of two regulation sliders, the both sides inner wall of pedestal passes through the bearing and is connected with same connecting axle, the lateral wall fixedly connected with tension control roller of connecting axle. In a preferred scheme, the top fixedly connected with of two tension adjustment rails is same put on the frame, and the bottom fixedly connected with pneumatic cylinder one of putting on the frame, the output fixedly connected with pressure plate of pneumatic cylinder one, open at the top of pedestal has the mounting groove, and the bottom inner wall fixedly connected with pressure-bearing sensor of mounting groove, and the mounting groove is located the peripheral bottom inner wall annular distribution of pressure-bearing sensor and has the expansion link, and pressure plate fixed connection is in the top of a plurality of expansion links. In a preferred scheme, the two sides of the spacing piece that are located the top all are equipped with real-time marking mechanism, and real-time marking mechanism includes the spacing rail, and spacing rail fixed conn