CN216607590U - Visual error-proofing device for welding seam leakage of shock absorber - Google Patents
Visual error-proofing device for welding seam leakage of shock absorber Download PDFInfo
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- CN216607590U CN216607590U CN202122620786.5U CN202122620786U CN216607590U CN 216607590 U CN216607590 U CN 216607590U CN 202122620786 U CN202122620786 U CN 202122620786U CN 216607590 U CN216607590 U CN 216607590U
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Abstract
The utility model relates to the field of workpiece detection, in particular to a visual error-proofing device for a welding seam leakage of a shock absorber. The utility model provides a vision mistake proofing device for shock absorber leaks welding seam, is including detecting frame, testing platform, backlight, industrial computer, camera, the inside downside of detecting frame is equipped with testing platform, and testing platform's upper end is equipped with work piece positioning mechanism, and one side of work piece positioning mechanism is equipped with the backlight, and work piece positioning mechanism's opposite side is equipped with the camera, one side upper portion of detecting frame inlays and is equipped with the industrial computer, work piece positioning mechanism includes mechanism base, urceolus top tight cylinder, urceolus die clamping cylinder, the rotatory cylinder that compresses tightly of rings. Compared with the prior art, the utility model obtains the workpiece image by using the camera and is suitable for outer cylinders and lifting lugs with different diameters; automatically positioning a reference by using visual software, and positioning the judgment frame by using the reference point; so that the system can be adapted to different products without any adjustments.
Description
Technical Field
The utility model relates to the field of workpiece detection, in particular to a visual error-proofing device for a welding seam leakage of a shock absorber.
Background
At present, the rear shock absorber of the automobile has a seam welding process, namely a metal bottom cover and an outer cylinder are welded together by a resistance welding method. Although the welding quality is detected by leakage test, the current leakage detection capability cannot detect very tiny leakage and products without seam welding in a short time, so that the problems of bottom cover falling off and shock absorber failure caused by seam welding occur, and very serious quality problems are caused.
At present, the shock absorber adopts various error-proofing methods, and whether a workpiece is welded or not is mainly identified by a visual sensor and a laser sensor, and the error-proofing methods comprise the following steps: the scale line characteristics formed by seam welding are identified by a vision camera, so the price is very high; the pixel difference of a seam welding area is identified through a vision camera, the seam welding area is influenced by external light and the surface of a workpiece, and the stability and the reliability are insufficient; the seam welding area is scanned by the laser sensor, the seam welding area is distinguished by shape difference, the price is moderate, the scanning distance is short, and the seam welding area is not suitable for being used in welding equipment; the seam welding area is measured through a laser distance sensor and is distinguished by distance difference, the price is lowest, but the positioning is required to be very accurate; the maximum 7000N force is applied to the workpiece, so that the bottom cover and the outer cylinder of the workpiece with the missed seam welding are displaced, the displacement sensor is used for identifying the displacement, and the application of a large force has high requirements on the related structural strength.
Therefore, the visual error-proofing device for the weld joint leakage of the shock absorber is designed, can be used in welding equipment, and is an automatic error-proofing method with moderate price and high reliability.
Disclosure of Invention
In order to solve the technical problem, the embodiment of the utility model provides a visual error-proofing device for a welding seam leakage of a shock absorber, which comprises a detection frame, a detection platform, a backlight source, an industrial personal computer and a camera, wherein the detection platform is arranged at the lower side inside the detection frame, a workpiece positioning mechanism is arranged at the upper end of the detection platform, the backlight source is arranged at one side of the workpiece positioning mechanism, the camera is arranged at the other side of the workpiece positioning mechanism, the industrial personal computer is embedded at the upper part of one side of the detection frame, the workpiece positioning mechanism comprises a mechanism base, an outer cylinder jacking cylinder, an outer cylinder clamping cylinder and a lifting ring rotating and pressing cylinder, the mechanism base is arranged at the upper end of the detection platform, the outer cylinder jacking cylinder is arranged above the mechanism base, the outer cylinder clamping cylinder is arranged above the outer cylinder jacking cylinder, and the lifting ring rotating and pressing cylinder is arranged above the outer cylinder clamping cylinder.
Further, a protection cylinder is arranged below the camera.
Further, the model of the camera is C15F 04.
Further, the model of the backlight source is LC150-100 WS.
Further, the industrial personal computer positions and identifies a threshold value of 4 degrees of the angle characteristic of the qualified seam welding area.
Further, the industrial personal computer positions and identifies the threshold range of the unqualified welding coverage area by 0% -10%.
Compared with the prior art, the utility model obtains the workpiece image by using the camera and is suitable for outer cylinders and lifting lugs with different diameters; automatically positioning a reference by using visual software, and positioning the judgment frame by using the reference point; so that the system can be adapted to different products without any adjustment; because welding spatter, welding electrode loss, backlight source fouling and welding burr exist, the angle judgment is influenced, double redundant judgment of the angle and the area is set, one of the judgment errors is prevented from causing unqualified workpieces to flow out, and the method is an automatic error-proofing method with moderate price and high reliability.
Drawings
FIG. 1 is a front view of the visual error proofing apparatus for a shock absorber weld leak of the present invention.
FIG. 2 is a top view of the visual error proofing apparatus for shock absorber weld leakage of the present invention.
FIG. 3 is a front view of the workpiece positioning mechanism of the visual error proofing device for the weld leakage of the shock absorber.
FIG. 4 is a top view of the workpiece positioning mechanism of the visual error proofing device for a weld leakage of a shock absorber according to the present invention.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1, the utility model is a visual error-proofing device for a welding seam leakage of a shock absorber, which comprises a detection frame 1, a detection platform 2, a backlight source 3, an industrial personal computer 4 and a camera 5, a detection platform 2 is arranged at the lower side in the detection frame 1, a workpiece positioning mechanism 6 is arranged at the upper end of the detection platform 2, a backlight source 3 is arranged at one side of the workpiece positioning mechanism 6, a camera 5 is arranged at the other side of the workpiece positioning mechanism 6, an industrial personal computer 4 is embedded at the upper part of one side of the detection frame 1, the workpiece positioning mechanism 6 comprises a mechanism base 7, an outer cylinder jacking cylinder 8, an outer cylinder clamping cylinder 9 and a lifting ring rotating and pressing cylinder 10, the upper end of the detection platform 2 is provided with a mechanism base 7, an outer barrel jacking cylinder 8 is arranged above the mechanism base 7, an outer barrel clamping cylinder 9 is arranged above the outer barrel jacking cylinder 8, and a hanging ring rotating and pressing cylinder 10 is arranged above the outer barrel clamping cylinder 9.
Wherein, a protective cylinder 11 is arranged below the camera 5. The model of the camera 5 is C15F 04. The model of the backlight source 3 is LC150-100 WS. And the industrial personal computer 4 positions and identifies the threshold value 4 degrees of the angle characteristic of the qualified seam welding area. The industrial personal computer 4 positions and identifies the threshold range of the unqualified welding coverage area to be 0% -10%.
Example (b): as shown in fig. 1, is a schematic structural diagram of the present invention.
The structure of the utility model comprises a detection frame 1, a detection platform 2, a backlight source 3, an industrial personal computer 4 and a camera 5, a detection platform 2 is arranged at the lower side in the detection frame 1, a workpiece positioning mechanism 6 is arranged at the upper end of the detection platform 2, a backlight source 3 is arranged at one side of the workpiece positioning mechanism 6, a camera 5 is arranged at the other side of the workpiece positioning mechanism 6, a protective cylinder 11 is arranged below the camera 5, an industrial personal computer 4 is embedded at the upper part of one side of the detection frame 1, the workpiece positioning mechanism 6 comprises a mechanism base 7, an outer cylinder jacking cylinder 8, an outer cylinder clamping cylinder 9 and a hanging ring rotating and pressing cylinder 10, the upper end of the detection platform 2 is provided with a mechanism base 7, an outer barrel jacking cylinder 8 is arranged above the mechanism base 7, an outer barrel clamping cylinder 9 is arranged above the outer barrel jacking cylinder 8, and a hanging ring rotating and pressing cylinder 10 is arranged above the outer barrel clamping cylinder 9.
And the industrial personal computer 4 positions and identifies the threshold value of the angle characteristic of the qualified seam welding area to be 4 degrees, namely the threshold value of the specific angle formed after welding is qualified when the threshold value is more than 4 degrees and is unqualified when the threshold value is less than 4 degrees. The industrial personal computer 4 positions and identifies the threshold range of the unqualified welding coverage area to be 0-10%, and the welding coverage area is qualified when the threshold range is more than or equal to 10%. And judging to be qualified only when the angle and the area accord with the set threshold value.
In the above, the inspection frame 1 is used as a base frame of the entire apparatus;
the detection platform 2 is used for installing a workpiece positioning mechanism 6, so that automatic platform operation is facilitated;
the backlight 3 provides a backlight environment for the camera 5;
the industrial personal computer 4 processes the data acquired by the camera 5 and performs the operation of sorting qualified products and unqualified products;
the camera 5 acquires a workpiece image of a specific area of the workpiece and transmits data to the industrial personal computer 4;
the workpiece positioning mechanism 6 is used for fixing a workpiece.
The protection cylinder 11 is used for preventing welding spatter from damaging the camera lens to cause misjudgment.
A workpiece image is obtained by using a black-and-white camera 5 for backlight shooting, and the method is suitable for outer cylinders and lifting lugs with different diameters; the industrial personal computer 4 automatically positions a reference through visual software and positions the judgment frame according to the reference point; so that the system of the industrial personal computer 4 can be suitable for different products without any adjustment;
because welding spatters, welding electrode loss, backlight source fouling and welding burrs exist, angle judgment is affected, dual redundant judgment of angles and areas is set, and unqualified workpieces are prevented from flowing out due to misjudgment of one of the angles and the areas.
Claims (6)
1. The utility model provides a vision mistake proofing device for shock absorber leaks welding seam, includes detection frame (1), detection platform (2), backlight (3), industrial computer (4), camera (5), its characterized in that: a detection platform (2) is arranged at the lower side in the detection frame (1), a workpiece positioning mechanism (6) is arranged at the upper end of the detection platform (2), a backlight source (3) is arranged at one side of the workpiece positioning mechanism (6), a camera (5) is arranged at the other side of the workpiece positioning mechanism (6), an industrial personal computer (4) is embedded at the upper part of one side of the detection frame (1), the workpiece positioning mechanism (6) comprises a mechanism base (7), an outer cylinder jacking cylinder (8), an outer cylinder clamping cylinder (9) and a lifting ring rotating and pressing cylinder (10), the upper end of testing platform (2) is equipped with mechanism base (7), and the top of mechanism base (7) is equipped with urceolus top tight cylinder (8), and the top of urceolus top tight cylinder (8) is equipped with urceolus die clamping cylinder (9), and the top of urceolus die clamping cylinder (9) is equipped with rings rotation and compresses tightly cylinder (10).
2. A visual error-proofing device for a shock absorber weld joint leakage according to claim 1, characterized in that: and a protective cylinder (11) is arranged below the camera (5).
3. A visual error-proofing device for a shock absorber weld joint leakage according to claim 1, characterized in that: the model of the camera (5) is C15F 04.
4. A visual error-proofing device for a shock absorber weld joint leakage according to claim 1, characterized in that: the model of the backlight source (3) is LC150-100 WS.
5. The visual error proofing device for a weld leakage of a shock absorber according to claim 1, characterized in that: and the industrial personal computer (4) positions and identifies the threshold value of the angle characteristic of the qualified seam welding area by 4 degrees.
6. A visual error-proofing device for a shock absorber weld joint leakage according to claim 1, characterized in that: the industrial personal computer (4) positions and identifies the threshold range of the unqualified welding coverage area to be 0-10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122620786.5U CN216607590U (en) | 2021-10-29 | 2021-10-29 | Visual error-proofing device for welding seam leakage of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122620786.5U CN216607590U (en) | 2021-10-29 | 2021-10-29 | Visual error-proofing device for welding seam leakage of shock absorber |
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| Publication Number | Publication Date |
|---|---|
| CN216607590U true CN216607590U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122620786.5U Active CN216607590U (en) | 2021-10-29 | 2021-10-29 | Visual error-proofing device for welding seam leakage of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216607590U (en) |
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2021
- 2021-10-29 CN CN202122620786.5U patent/CN216607590U/en active Active
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