CN216870408U - Visual rotation detection mechanism for wire harness - Google Patents
Visual rotation detection mechanism for wire harness Download PDFInfo
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- CN216870408U CN216870408U CN202123273010.7U CN202123273010U CN216870408U CN 216870408 U CN216870408 U CN 216870408U CN 202123273010 U CN202123273010 U CN 202123273010U CN 216870408 U CN216870408 U CN 216870408U
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Abstract
The utility model discloses a visual rotation detection mechanism for a wire harness, which comprises a support frame, a rotating frame and a shooting assembly, wherein the support frame is provided with a support frame; the rotary frame is rotatably arranged on the support frame, a power source for driving the rotary frame to rotate is arranged on the support frame, the shooting assembly comprises a camera, a ring light source and a backlight source which are all arranged on the rotary frame, the ring light source is positioned between the camera and the backlight source, a part to be detected of the wiring harness extends into a space between the ring light source and the backlight source, the part to be detected of the wiring harness is positioned in a shooting range of the camera, the ring light source and the backlight source are used for shooting the wiring harness to be detected by the camera to provide illumination, the power source drives the rotary frame to rotate so as to drive the shooting assembly to do circular motion around the wiring harness to be detected, and the camera performs continuous visual detection on the part to be detected of the wiring harness; according to the utility model, the rotary frame drives the shooting assembly to do circular motion, so that the wire harness can be continuously detected, and the detection efficiency and the reliability of a detection result are improved.
Description
Technical Field
The utility model relates to the technical field of visual detection mechanisms, in particular to a visual rotation detection mechanism for a wire harness.
Background
Machine vision is a branch of artificial intelligence developing rapidly, in brief, machine vision is to use a robot to replace human eyes for measurement and judgment, a machine vision system converts a shot target into an image signal through a machine vision product (namely, an image shooting device, which is divided into a CMOS and a CCD), then transmits the image signal to a special image processing system, the image processing system converts the image signal into a digital signal according to information such as pixel distribution, brightness and color, and the like, the image processing system performs various operations on the signals to extract the characteristics of the target, and further can replace manpower to complete the detection of target characteristics such as bar code characters, cracks, packages, complete surface layers, recesses and the like, the visual detection system can effectively improve the detection speed and precision of a production line, greatly improve the yield and quality and reduce the labor cost, meanwhile, misjudgment caused by eye fatigue is prevented, however, in the production process of the cable harness, the visual detection equipment is gradually adopted to detect the defects on the surface of the harness, because the surface of the harness is mostly a continuous circumferential surface, the existing visual detection equipment is difficult to realize continuous detection on the harness, so that the detection efficiency is low, and the reliability of the detection result is difficult to guarantee, therefore, a new detection equipment is urgently needed to realize the visual detection equipment for continuously detecting the surface of the harness.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a visual rotation detection mechanism for a wire harness.
In order to solve the technical problem, the utility model provides a visual rotation detection mechanism for a wire harness, which comprises a support frame, a rotating frame and a shooting assembly, wherein the support frame is fixedly connected with the rotating frame;
the utility model discloses a camera, including the revolving rack, camera range, camera, ring light source, power supply, revolving rack, camera lens, camera range, ring light source, power supply drive, revolving rack pivoted power supply, the subassembly is including all installing camera, ring light source and the backlight on the revolving rack, still install the camera lens on the camera, the ring light source be located the camera with between the backlight, the part of treating of pencil stretches into in the space between ring light source and the backlight, and the part of treating of pencil is located the shooting range of camera, ring light source and backlight are that the camera is shot and is treated the pencil of treating and provide the illumination, the power supply drive the revolving rack rotates and is circular motion around the pencil that treats the detection to drive the subassembly, the camera is to treating the part of treating of pencil and is continuous visual detection.
As a further improvement of the utility model, the support frame comprises a bottom plate, upright posts and a back plate, wherein a plurality of upright posts which vertically and upwardly extend are fixed on the bottom plate, the upper ends of the upright posts are fixed on the back plate, and the rotating frame is rotatably installed on the back plate.
As a further improvement of the utility model, the bottom plate is fixed on a driving piece of the linear module, and the linear module drives the bottom plate to do horizontal linear reciprocating motion.
As a further improvement of the present invention, the rotating frame includes a main substrate, and a first extending frame, a second extending frame and a third extending frame which are all fixed on the same side of the main substrate, the main substrate is rotatably mounted on the back plate through a hollow rotating shaft, the hollow rotating shaft is located between the second extending frame and the third extending frame, the camera is fixed on the first extending frame, the ring light source is fixed on the second extending frame, and the backlight source is fixed on the third extending frame.
As a further improvement of the present invention, the hollow rotating shaft rotates on the back plate through a bearing, the main substrate and a pulley for connecting a power source are respectively fixed at two ends of the hollow rotating shaft, and the main substrate and the pulley are respectively located at two sides of the back plate.
As a further improvement of the utility model, the power source comprises a driving motor and a synchronous belt, the driving motor is fixed on the bottom plate, an output shaft of the driving motor is connected with the belt wheel through the synchronous belt to form belt transmission, and the driving motor drives the hollow rotating shaft to rotate through the synchronous belt.
As a further improvement of the present invention, a vacuum generator is coaxially fixed on the inner circumferential surface of the hollow rotating shaft, the suction end of the vacuum generator and the camera are both located on the same side of the main substrate, a guide sleeve is coaxially fixed on the suction end of the vacuum generator, the outer end of the guide sleeve is in a bell mouth shape for facilitating insertion of the wiring harness into the vacuum generator, and the vacuum generator is used for cleaning the wiring harness to be detected.
As a further improvement of the utility model, the spraying end of the vacuum generator is also provided with a collecting pipe and a transition pipe, the collecting pipe and the transition pipe are both cylindrical, the collecting pipe is fixed on a fixing frame, the fixing frame is fixed on the bottom plate, one end of the transition pipe coaxially extends into the collecting pipe and is fixed with the collecting pipe and the transition pipe, the other end of the transition pipe coaxially extends into the hollow rotating shaft, the diameter of the inner circle of the transition pipe is larger than that of the inner circle of the spraying end of the vacuum generator, and the diameter of the outer circle of the transition pipe is smaller than that of the inner circle of the hollow rotating shaft.
As a further improvement of the present invention, the bottom plate is further provided with a guiding support assembly, the guiding support assembly comprises a connecting frame, a finger cylinder and guiding single bodies, the finger cylinder is fixed on the bottom plate through the connecting frame, the guiding single bodies are fixed on two driving members of the finger cylinder, the finger cylinder drives the two guiding single bodies to open or close, the guiding single bodies are provided with semicircular guiding grooves, when the two guiding single bodies are closed, the two guiding grooves on the two guiding single bodies are buckled to form a circular hole coaxial with the hollow rotating shaft, and the circular hole is used for a wiring harness to pass through.
As a further improvement of the utility model, the guiding unit comprises a connecting block and a positioning block, one end of the connecting block is fixed on a corresponding driving member of the finger cylinder, the other end of the connecting block is provided with a square hole for mounting the positioning block, the connecting block is also rotatably provided with a positioning shaft, the positioning shaft is provided with a semi-cylindrical positioning part, one end of the positioning shaft is fixed with an eccentric swinging block positioned outside the connecting block, the connecting block is also connected with a ball plunger through a thread, the swinging block is provided with a groove matched with a ball on the ball plunger for use, one end of the positioning block is provided with the guiding groove, the other end of the positioning block is provided with an insertion part matched with the square hole, the positioning block is inserted into the square hole through the insertion part in a matching manner, the swinging block drives the positioning shaft to rotate, the positioning part on the positioning shaft rotates into a positioning groove arranged on the insertion part, and then the positioning block is positioned on the connecting block through the positioning part of the positioning shaft, the swinging block is in a natural sagging state, the ball on the ball plunger correspondingly abuts against the groove on the swinging block, and the swinging block is positioned through the ball plunger.
The utility model has the beneficial effects that:
the utility model relates to a visual rotation detection mechanism for a wire harness, which comprises a driving motor, a rotating frame, a shooting assembly, a camera, a detection module and a control module, wherein the driving motor drives the rotating frame to rotate through a synchronous belt so as to drive the shooting assembly to do circular motion, so that the wire harness can be continuously detected by the camera, the detection efficiency is improved, and the reliability and the comprehensiveness of a detection result can be improved; secondly, the vacuum generator is arranged, so that the visual inspection and the vacuum cleaning are integrated, the vacuum generator is used for carrying out vacuum cleaning on the wire harness to be inspected before the wire harness is inspected, and the interference of impurities such as processing debris on the wire harness on the visual inspection is reduced; moreover, the guide support assembly is arranged on the wire harness detection device, the guide support assembly can provide effective support for the free end of the wire harness to be detected, the wire harness cannot droop due to self weight in the vacuum cleaning or visual detection process, the positioning block on the guide support assembly can be adaptively replaced according to different sizes of the wire harness, the application range is wide, and the replacement process is simple and quick.
Drawings
Fig. 1 is a first perspective view of a visual rotation detecting mechanism for a wire harness;
FIG. 2 is a schematic perspective view of a visual rotation detecting mechanism for a wire harness;
FIG. 3 is a front view of a visual rotation detection mechanism for a wiring harness;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of B in FIG. 4;
FIG. 6 is a front view of the guide unit mounted on the finger cylinder;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;
FIG. 9 is a schematic perspective view of a positioning block;
FIG. 10 is a perspective view of the positioning shaft mounted to the swing block;
the reference numbers in the figures illustrate:
10. a wire harness; 11. a linear module; 12. a base plate; 13. a column; 14. a back plate; 15. a main substrate; 16. a first extension frame; 17. a second extension frame; 18. a third extension frame; 19. a camera; 20. a ring light source; 21. a backlight source; 22. a hollow rotating shaft; 23. a bearing; 24. a pulley; 25. a drive motor; 26. a synchronous belt; 27. a vacuum generator; 28. a guide sleeve; 29. a transition duct; 30. a collection pipe; 31. a fixed mount; 32. a connecting frame; 33. a finger cylinder; 34. connecting blocks; 35. a square hole; 36. a guide groove; 37. positioning the shaft; 38. a positioning part; 39. a swing block; 40. a groove; 41. a ball plunger; 42. positioning blocks; 43. a plug-in part; 44. and (6) positioning a groove.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1-10, one embodiment of a visual rotation detection mechanism for a wire harness 10 of the present invention;
a visual rotation detection mechanism for a wire harness 10 comprises a support frame, a rotating frame and a shooting assembly;
the rotating frame is rotatably arranged on the supporting frame, a power source for driving the rotating frame to rotate is arranged on the supporting frame, the camera assembly includes a camera 19, a ring light source 20 and a backlight 21 all mounted on a rotating frame, the camera 19 is further provided with a lens, the ring light source 20 is positioned between the camera 19 and the backlight 21, the part to be detected of the wiring harness 10 extends into the space between the ring light source 20 and the backlight 21, and the part to be detected of the wiring harness 10 is located in the shooting range of the camera 19, the ring light source 20 and the backlight source 21 are both used for the camera 19 to shoot the wiring harness 10 to be detected to provide illumination, the power source drives the rotating frame to rotate so as to drive the shooting assembly to do circular motion around the wire harness 10 to be detected, the camera 19 performs continuous visual detection on the to-be-detected part of the wire harness 10, so that the reliability and comprehensiveness of the detection result can be improved while the detection efficiency is improved.
In an embodiment of the present invention, the supporting frame includes a bottom plate 12, a plurality of upright columns 13 and a back plate 14, the bottom plate 12 is fixed with the plurality of upright columns 13 extending vertically upward, the upper ends of the upright columns 13 are fixed on the back plate 14, the rotating frame is rotatably mounted on the back plate 14, the bottom plate 12 is fixed on a driving member of the linear module 11, and the linear module 11 drives the bottom plate 12 to perform a horizontal linear reciprocating motion.
In a specific embodiment of the present invention, the rotating frame includes a main substrate 15 and a first extension frame 16, a second extension frame 17 and a third extension frame 18 all fixed on the same side of the main substrate 15, the main substrate 15 is rotatably mounted on the back plate 14 by a hollow rotating shaft 22, the hollow rotating shaft 22 is located between the second extension frame 17 and the third extension frame 18, the camera 19 is fixed on the first extension frame 16, the ring light source 20 is fixed on the second extension frame 17, the backlight 21 is fixed on the third extension frame 18, the hollow rotating shaft 22 is rotated on the back plate 14 by a bearing 23, the main substrate 15 and a pulley 24 for connecting a power source are respectively fixed on both ends of the hollow rotating shaft 22, and the main substrate 15 and the pulley 24 are respectively located on both sides of the back plate 14, the power source includes a driving motor 25 and a timing belt 26, the driving motor 25 is fixed on the bottom plate 12, an output shaft of the driving motor 25 is connected with the belt wheel 24 through the synchronous belt 26 to form belt transmission, and the driving motor 25 drives the hollow rotating shaft 22 to rotate through the synchronous belt 26.
In an embodiment of the present invention, a vacuum generator 27 is coaxially fixed on the inner circumferential surface of the hollow rotating shaft 22, the suction end of the vacuum generator 27 and the camera 19 are both located on the same side of the main substrate 15, a guide sleeve 28 is coaxially fixed on the suction end of the vacuum generator 27, the outer end of the guide sleeve 28 is in a bell mouth shape for facilitating the insertion of the wiring harness 10 into the vacuum generator 27, and the vacuum generator 27 is used for cleaning the wiring harness 10 to be detected.
In a specific embodiment of the present invention, the bottom plate 12 is further provided with a guiding support assembly, the guiding support assembly includes a connecting frame 32, a finger cylinder 33 and a guiding single body, the finger cylinder 33 is fixed on the bottom plate 12 through the connecting frame 32, the guiding single body is fixed on each of two driving members of the finger cylinder 33, the finger cylinder 33 drives the two guiding single bodies to open or close, the guiding single body is provided with a semicircular guiding groove 36, when the two guiding single bodies are closed, the two guiding grooves 36 on the two guiding single bodies are fastened to form a circular hole coaxial with the hollow rotating shaft 22, the circular hole is used for the wiring harness 10 to pass through, and generally, the diameter of the circular hole is slightly larger than the diameter of the corresponding wiring harness 10.
The guide single body comprises a connecting block 34 and a positioning block 42, one end of the connecting block 34 is fixed on a corresponding driving part of the finger cylinder 33, the other end of the connecting block 34 is provided with a square hole 35 for installing the positioning block 42, the connecting block 34 is also rotatably provided with a positioning shaft 37, the positioning shaft 37 is provided with a semi-cylindrical positioning part 38, one end of the positioning shaft 37 is fixed with an eccentric swinging block 39 positioned outside the connecting block 34, the connecting block 34 is further connected with a ball plunger 41 through threads, the swinging block 39 is provided with a groove 40 matched with balls on the ball plunger 41, one end of the positioning block 42 is provided with the guide groove 36, the other end of the positioning block 42 is provided with an insertion part 43 matched with the square hole 35, the positioning block 42 is inserted into the square hole 35 through the insertion part 43 in a matching manner, and the swinging block 39 drives the positioning shaft 37 to rotate, the positioning part 38 on the positioning shaft 37 rotates into the positioning groove 44 arranged on the inserting part 43, the positioning block 42 is positioned on the connecting block 34 through the positioning part 38 of the positioning shaft 37, the swinging block 39 is in a naturally drooping state, the balls on the ball plunger 41 correspondingly abut against the groove 40 on the swinging block 39, the swinging block 39 is positioned through the ball plunger 41, when the positioning block 42 needs to be taken down, the swinging block 39 is manually pulled, the swinging block 39 overcomes the abutting resistance of the ball plunger 41, the swinging block 39 swings, the swinging block 39 drives the positioning shaft 37 to rotate, the positioning part 38 on the positioning shaft 37 rotates and completely separates from the positioning groove 44 on the positioning block 42, then the inserting part 43 of the positioning block 42 is pulled out of the square hole 35 of the connecting block 34, and the positioning block 42 can be adaptively replaced according to different sizes of the wiring harnesses 10, the application range is wide and the replacement process is simple and quick.
When the utility model is used:
an external conveying device conveys a wire harness 10 to be detected to a set detection station and positions and clamps the wire harness 10, a finger cylinder 33 drives two positioning blocks 42 to be closed, two guide grooves 36 are buckled outside the wire harness 10, the wire harness 10 penetrates through a circular hole formed by buckling the two guide grooves 36, and then a free end of the wire harness 10 forms a support, then a linear module 11 drives a bottom plate 12 to move, so that the free end of the wire harness 10 extends into the vacuum generator 27 through a guide sleeve 28, the vacuum generator 27 performs vacuum cleaning on the wire harness 10 through compressed air, after the cleaning is completed, the linear module 11 drives the bottom plate 12 to move, so that the vacuum generator 27 returns to an initial position, then a driving motor 25 drives a hollow rotating shaft 22 to rotate through a synchronous belt 26, and then drives a shooting assembly to synchronously rotate while starting to work, a designated portion of the wiring harness 10 is continuously visually inspected by the camera 19.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. A visual rotation detection mechanism for a wire harness is characterized by comprising a support frame, a rotating frame and a shooting assembly;
the utility model discloses a camera, including the revolving rack, camera range, camera, ring light source, power supply, revolving rack, camera lens, camera range, ring light source, power supply drive, revolving rack pivoted power supply, the subassembly is including all installing camera, ring light source and the backlight on the revolving rack, still install the camera lens on the camera, the ring light source be located the camera with between the backlight, the part of treating of pencil stretches into in the space between ring light source and the backlight, and the part of treating of pencil is located the shooting range of camera, ring light source and backlight are that the camera is shot and is treated the pencil of treating and provide the illumination, the power supply drive the revolving rack rotates and is circular motion around the pencil that treats the detection to drive the subassembly, the camera is to treating the part of treating of pencil and is continuous visual detection.
2. The visual rotation detection mechanism of claim 1, wherein the support frame comprises a bottom plate, a plurality of vertical posts and a back plate, the bottom plate is fixed with the plurality of vertical posts extending upwards, the upper ends of the vertical posts are fixed on the back plate, and the rotating frame is rotatably mounted on the back plate.
3. The visual rotary inspection mechanism for a wire harness as claimed in claim 2, wherein said base plate is fixed to a driving member of a linear module, said linear module driving said base plate to reciprocate horizontally and linearly.
4. The visual rotation detecting mechanism for a wire harness of claim 3, wherein the rotating frame includes a main substrate and a first extension frame, a second extension frame and a third extension frame all fixed on the same side of the main substrate, the main substrate is rotatably mounted on the back plate by a hollow rotating shaft, the hollow rotating shaft is located between the second extension frame and the third extension frame, the camera is fixed on the first extension frame, the ring light source is fixed on the second extension frame, and the backlight source is fixed on the third extension frame.
5. The visual rotation detecting mechanism for a wire harness according to claim 4, wherein the hollow rotating shaft is rotated on the back plate through a bearing, the main substrate and the pulley for connecting the power source are fixed to both ends of the hollow rotating shaft, respectively, and the main substrate and the pulley are located on both sides of the back plate, respectively.
6. The visual rotation detecting mechanism for a wire harness according to claim 5, wherein the power source comprises a driving motor and a synchronous belt, the driving motor is fixed on the bottom plate, an output shaft of the driving motor is connected with the pulley through the synchronous belt to form a belt transmission, and the driving motor drives the hollow rotating shaft to rotate through the synchronous belt.
7. The visual rotation detecting mechanism for a wire harness according to claim 4, wherein a vacuum generator is coaxially fixed on the inner circumferential surface of the hollow rotating shaft, a suction end of the vacuum generator and the camera are both located on the same side of the main substrate, a guide sleeve is coaxially fixed on the suction end of the vacuum generator, an outer end of the guide sleeve is in a bell mouth shape for facilitating insertion of the wire harness into the vacuum generator, and the vacuum generator is used for cleaning the wire harness to be detected.
8. The visual rotation detecting mechanism of claim 7, wherein the ejection end of the vacuum generator further comprises a collecting tube and a transition tube, the collecting tube and the transition tube are both cylindrical, the collecting tube is fixed on a fixing frame, the fixing frame is fixed on the bottom plate, one end of the transition tube coaxially extends into the collecting tube and the transition tube are fixed to each other, the other end of the transition tube coaxially extends into the hollow rotating shaft, the inner circle diameter of the transition tube is larger than that of the ejection end of the vacuum generator, and the outer circle diameter of the transition tube is smaller than that of the hollow rotating shaft.
9. The visual rotation detecting mechanism for a wire harness according to claim 7, wherein the bottom plate further comprises a guiding support assembly, the guiding support assembly comprises a connecting frame, a finger cylinder and a guiding single body, the finger cylinder is fixed on the bottom plate through the connecting frame, the guiding single body is fixed on each of two driving members of the finger cylinder, the finger cylinder drives the two guiding single bodies to open or close, the guiding single bodies are provided with semicircular guiding grooves, when the two guiding single bodies close, the two guiding grooves of the two guiding single bodies are fastened to form a circular hole coaxial with the hollow rotating shaft, and the circular hole is used for the wire harness to pass through.
10. The visual rotation detecting mechanism of claim 9, wherein the guiding unit comprises a connecting block and a positioning block, one end of the connecting block is fixed on a corresponding driving member of the finger cylinder, the other end of the connecting block is provided with a square hole for mounting the positioning block, the connecting block is further rotatably mounted with a positioning shaft, the positioning shaft is provided with a semi-cylindrical positioning portion, one end of the positioning shaft is fixed with an eccentric swinging block located outside the connecting block, the connecting block is further connected with a ball plunger through a screw thread, the swinging block is provided with a groove used in cooperation with a ball on the ball plunger, one end of the positioning block is provided with the guiding groove, the other end of the positioning block is provided with an insertion portion matched with the square hole, the positioning block is inserted into the square hole through the insertion portion in a matching manner, and the swinging block drives the positioning shaft to rotate, the positioning part on the positioning shaft rotates to enter the positioning groove formed in the inserting part, the positioning block is positioned on the connecting block through the positioning part of the positioning shaft, the swinging block is in a natural drooping state, the ball on the ball plunger is correspondingly abutted to the groove on the swinging block, and the swinging block is positioned through the ball plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123273010.7U CN216870408U (en) | 2021-12-23 | 2021-12-23 | Visual rotation detection mechanism for wire harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123273010.7U CN216870408U (en) | 2021-12-23 | 2021-12-23 | Visual rotation detection mechanism for wire harness |
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| Publication Number | Publication Date |
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| CN216870408U true CN216870408U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123273010.7U Active CN216870408U (en) | 2021-12-23 | 2021-12-23 | Visual rotation detection mechanism for wire harness |
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| CN (1) | CN216870408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664982A (en) * | 2023-11-30 | 2024-03-08 | 德维嘉汽车电子系统(无锡)有限公司 | Flying wire and concentricity CCD optical detection system at tail end of wire harness |
-
2021
- 2021-12-23 CN CN202123273010.7U patent/CN216870408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664982A (en) * | 2023-11-30 | 2024-03-08 | 德维嘉汽车电子系统(无锡)有限公司 | Flying wire and concentricity CCD optical detection system at tail end of wire harness |
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