Visual inspection device for welding spot of welding piece

Abstract

The visual inspection device comprises a base and a sleeve, the sleeve is fixedly connected to the upper surface of the base, a sliding rod is slidably connected to the interior of the sleeve, the upper end of the sliding rod is fixedly connected with a supporting plate, a sliding block is slidably connected to the interior of the supporting plate, and a vertical plate is fixedly connected to the upper surface of the sliding block; a positioning mechanism is arranged on the inner side of the vertical plate, a lifting mechanism is arranged above the base, and the supporting plate is rotationally connected with the outer walls of the two ends of the double-end stud through bearings. A second motor drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a pin rod to move through a sliding groove formed in the second gear during rotation, the pin rod drives a supporting rod to slide, the supporting rod drives a clamping block to move, and the clamping block makes contact with the position of a welding piece to position the welding piece; and welding spot detection is carried out on different surfaces of the welding part, so that welding spot detection can be conveniently carried out on multiple surfaces of the welding part.

Description

Technical Field

[0001] The utility model relates to the technical field of welding piece processing, in particular to a welding spot visual detection device for welding pieces. Background Art

[0002] During the production and processing of welded parts, it is necessary to inspect the welding points to determine whether they are qualified in order to ensure the quality of the welded parts.

[0003] For example, a device for visually inspecting weld points of welded parts with patent number CN214122024U comprises a base, a vertical plate is arranged at one end above the base, a detection frame is arranged at the other end above the base, connecting plates are arranged at the front and rear of one side of the vertical plate, a first screw rod is arranged at one side of the connecting plate, a connecting tube is arranged at the connection of the first screw rod, and a first slider is arranged on the first screw rod. The above document still has some shortcomings. When in use, by arranging the connecting plate, the first screw rod and the connecting tube, it is convenient for the first motor to drive the connecting tube to rotate, thereby driving the guide plate to move, so as to facilitate the detection of different welding positions according to different welding positions. The guide plate can be adjusted according to the size of the connecting piece, which is more conducive to the correction of different welded parts. By setting the guide plate, the welded parts can be straightened before visual inspection, so that the visual inspection camera can take pictures normally, thereby improving the efficiency of inspection. However, when inspecting welded parts, the inspection device in the above document is only convenient for inspecting a single surface of the welded part, and is not convenient for inspecting weld points on multiple surfaces of the welded part. At the same time, the height of the inspection device in the above document is fixed, and different staff members have different heights, which makes it inconvenient to adjust the height of the welded part according to actual use requirements. Summary of the invention

[0004] The utility model aims to solve the problem in the prior art that it is inconvenient to detect weld spots on multiple surfaces of a welded part, and provides a visual detection device for weld spots of a welded part.

[0005] The utility model adopts a technical solution to solve its technical problems: this device for visually inspecting weld points of welded parts comprises a base and a sleeve, the sleeve is fixedly connected to the upper surface of the base, the sleeve is slidably connected to a slide rod inside the sleeve, the upper end of the slide rod is fixedly connected to a support plate, the support plate is slidably connected to a slider inside the support plate, the upper surface of the slider is fixedly connected to a vertical plate, a positioning mechanism is provided on the inner side of the vertical plate, a lifting mechanism is provided above the base, the support plate and the outer walls at both ends of the stud are rotatably connected through bearings, a handle is fixedly connected to the end of the stud, and the outer wall of the stud is threadedly connected to two first threaded blocks.

[0006] For further improvement, the positioning mechanism includes a first motor, the first motor is fixedly connected to the outer wall of the vertical plate, the output shaft of the first motor is fixedly connected to the back plate, the back plate is rotatably connected to the vertical plate through a bearing, the surface of the back plate is fixedly connected to the second motor, the output shaft of the second motor is fixedly connected to the first gear, the first gear is meshed with the second gear, the second gear is rotatably connected to the outer wall of the back plate, a slide groove arranged in the second gear is slidably connected to the outer wall of the pin rod, the pin rod is fixedly connected to the surface of the support rod, the outer wall of the support rod is slidably connected to the back plate, and the end of the support rod is fixedly connected to a clamping block.

[0007] To be further improved, the lifting mechanism includes a third motor, the third motor is fixedly connected to the upper surface of the base, the two output shafts of the third motor are fixedly connected to the first screw, the outer wall of the first screw is threadedly connected to a threaded barrel, the end of the threaded barrel is fixedly connected to a wedge block, the outer wall of the wedge block is slidably connected to the base, the outer wall of the wedge block is fitted with a roller, the roller is rotatably connected to the vertical rod through a bearing, and the upper end of the vertical rod is fixedly connected to the support plate.

[0008] For further improvement, the support plate is fixedly connected to the top plate through a support column, and the top plate and the outer walls at both ends of the second screw are rotatably connected through bearings.

[0009] For further improvement, the outer wall of the second screw is threadedly connected to a second threaded block, an electric push rod is fixedly connected to the lower part of the second threaded block, and a visual inspection camera is fixedly connected to the output end of the electric push rod.

[0010] Further improvement, the upper surface of the first threaded block is fixedly connected to the sliding block.

[0011] The beneficial effects of the utility model are as follows: the utility model, through the cooperation between the first motor, the back plate, the second motor, the first gear, the second gear, the pin rod, the support rod and the clamping block, the second motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the pin rod to move through the internally arranged slide groove when rotating, the pin rod drives the support rod to slide, the support rod drives the clamping block to move, the clamping block contacts the position of the welded part to position the welded part, the first motor drives the back plate to rotate, and then drives the welded part to rotate, and weld spot detection is performed on different surfaces of the welded part, which is convenient for weld spot detection on multiple surfaces of the welded part.

[0012] Through the cooperation between the third motor, the first screw, the threaded barrel, the wedge block, the roller and the vertical rod, the third motor drives the two first screws to rotate, the first screw drives the threaded barrel to move, the threaded barrel drives the wedge block to slide, the wedge block drives the roller to move, the roller drives the vertical rod to move, and the vertical rod drives the support plate to move, thereby adjusting the height of the weldment, which is convenient for adjusting the height of the weldment according to actual usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the mechanism of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the connection between the second screw rod, the top plate and the electric push rod in the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the connection between the third motor, the threaded barrel and the wedge block in the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the connection between the first gear, the second gear and the pin rod in the utility model;

[0018] Figure 6 It is a schematic diagram of the structure of the connection between the first motor, the vertical plate and the second motor in the utility model.

[0019] Explanation of the accompanying drawings: 1. base, 2. sleeve, 3. positioning mechanism, 301. first motor, 302. back plate, 303. second motor, 304. first gear, 305. second gear, 306. pin, 307. support rod, 308. clamping block, 3a1. rubber pad, 4. lifting mechanism, 401. third motor, 402. first screw, 403. threaded barrel, 404. wedge block, 405. roller, 406. vertical rod, 5. sliding rod, 6. support plate, 7. slider, 8. vertical plate, 9. stud, 10. handle, 11. first threaded block, 12. top plate, 13. second screw, 14. second threaded block, 15. electric push rod, 16. visual inspection camera. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] Embodiment 1:

[0022] See attached Figure 1-6: In the present embodiment, a visual inspection device for welding spots of welded parts comprises a base 1 and a sleeve 2. The sleeve 2 is fixedly connected to the upper surface of the base 1. The inner part of the sleeve 2 is slidably connected to a slide bar 5. The slide bar 5 slides inside the sleeve 2. The upper end of the slide bar 5 is fixedly connected to a support plate 6. The support plate 6 drives the slide bar 5 to move. The inner part of the support plate 6 is slidably connected to a slider 7. The slider 7 slides inside the support plate 6. A vertical plate 8 is fixedly connected to the upper surface of the slider 7. The slider 7 drives the vertical plate 8 to move. A positioning mechanism 3 is arranged on the inner side of the vertical plate 8. The positioning mechanism 3 positions the welded part. A lifting mechanism 4 is arranged above the base 1. The lifting mechanism 4 adjusts the height of the welded part. The outer walls of the support plate 6 and the two ends of the stud 9 are rotatably connected through bearings. A handle 10 is fixedly connected to the end of the stud 9. The handle 10 positions the stud 9 for rotation.

[0023] The outer wall of the stud 9 is threadedly connected to two first threaded blocks 11, and the stud 9 drives the two threaded blocks 11 to move. The support plate 6 is fixedly connected to the top plate 12 through a pillar, and the outer walls of the top plate 12 and the two ends of the second screw rod 13 are rotatably connected through bearings. The end of the second screw rod 13 is fixedly connected to a rotating wheel for controlling the rotation of the second screw rod 13, and the outer wall of the second screw rod 13 is threadedly connected to a second threaded block 14, and the second screw rod 13 drives the second threaded block 14 to move. An electric push rod 15 is fixedly connected to the bottom of the second threaded block 14, and the second threaded block 14 drives the electric push rod 15 to move. A visual inspection camera 16 is fixedly connected to the output end of the electric push rod 15, and the electric push rod 15 drives the visual inspection camera 16 to move. The model of the visual inspection camera 16 is the same as that in a visual inspection device for welded parts with patent number CN214122024U. The upper surface of the first threaded block 11 is fixedly connected to the slider 7, and the first threaded block 11 drives the slider 7 to slide. The positioning mechanism 3 includes a first motor 301, a back plate 302, a second motor 303, a first gear 304, a second gear 305, a pin 306, a support rod 307 and a clamping block 308. The first motor 301 is fixedly connected to the outer wall of the vertical plate 8. The output shaft of the first motor 301 is fixedly connected to the back plate 302. The first motor 301 drives the back plate 302 to rotate. The back plate 302 is rotatably connected to the vertical plate 8 through a bearing. The surface of the back plate 302 is fixedly connected to the second motor 303. The output shaft of the second motor 303 is fixedly connected to the first gear 304. The second motor 303 drives the first gear 304 to rotate. The first gear 304 is meshed and connected with the second gear 305. The first gear 304 drives the second gear 305 to rotate. The second gear 305 is rotatably connected to the outer wall of the back plate 302.

[0024] The slide groove provided in the second gear 305 is slidably connected with the outer wall of the pin rod 306. The second gear 305 drives the pin rod 306 to move through the slide groove provided inside. The pin rod 306 is fixedly connected to the surface of the support rod 307. The pin rod 306 drives the support rod 307 to slide. The outer wall of the support rod 307 is slidably connected with the back plate 302. The end of the support rod 307 is fixedly connected with a clamping block 308. The support rod 307 drives the clamping block 308 to move. The first motor 301 and the second motor 303 are single-head motors.

[0025] The second motor 303 drives the first gear 304 to rotate, the first gear 304 drives the second gear 305 to rotate, the second gear 305 drives the pin rod 306 to move through the internally arranged slide groove when rotating, the pin rod 306 drives the support rod 307 to slide, the support rod 307 drives the clamping block 308 to move, the clamping block 308 contacts the position of the welded part to position the welded part, the first motor 301 drives the back plate 302 to rotate, and then drives the welded part to rotate, and performs weld spot detection on different surfaces of the welded part, which is convenient for performing weld spot detection on multiple surfaces of the welded part.

[0026] The lifting mechanism 4 includes a third motor 401, a first screw rod 402, a threaded barrel 403, a wedge block 404, a roller 405 and a vertical rod 406. The third motor 401 is fixedly connected to the upper surface of the base 1. The third motor 401 is a double-headed motor. The two output shafts of the third motor 401 are fixedly connected to the first screw rods 402. The third motor 401 drives the two first screw rods 402 to rotate. The outer wall of the first screw rod 402 is threadedly connected to the threaded barrel 403. The first screw 402 drives the threaded barrel 403 to move. The end of the threaded barrel 403 is fixedly connected to the wedge block 404. The threaded barrel 403 drives the wedge block 404 to slide. The outer wall of the wedge block 404 is slidably connected to the base 1.

[0027] The outer wall of the wedge block 404 fits with the roller 405, the wedge block 404 drives the roller 405 to move, the roller 405 is rotatably connected to the vertical rod 406 through a bearing, the roller 405 drives the vertical rod 406 to move, the upper end of the vertical rod 406 is fixedly connected to the support plate 6, and the vertical rod 406 drives the support plate 6 to move; the third motor 401 drives the two first screws 402 to rotate, the first screws 402 drive the threaded barrel 403 to move, the threaded barrel 403 drives the wedge block 404 to slide, the wedge block 404 drives the roller 405 to move, the roller 405 drives the vertical rod 406 to move, and the vertical rod 406 drives the support plate 6 to move, thereby adjusting the height of the weldment, which is convenient for adjusting the height of the weldment according to actual usage requirements.

[0028] Working principle:

[0029] When testing the welding points of welding ribs;

[0030] Welding parts positioning stage:

[0031] Place the weldment between the positioning mechanisms 3 on both sides, and make the weldment at a height where the clamping block 308 can clamp it, turn the handle 10, the handle 10 drives the stud 9 to rotate, the stud 9 drives the two first threaded blocks 11 to move, the first threaded block 11 drives the slider 7 to slide, the slider 7 drives the vertical plate 8 to move, and then drives the positioning mechanism 3 to move, so that the positioning mechanisms 3 on both sides are in a position where the weldment can be positioned, start the second motor 303, the second motor 303 drives the first gear 304 to rotate, the first gear 304 drives the second gear 305 to rotate, the second gear 305 drives the pin rod 306 to move through the internally arranged slide groove when rotating, the pin rod 306 drives the support rod 307 to slide, the support rod 307 drives the clamping block 308 to move, the clamping block 308 contacts the position of the weldment to position the weldment;

[0032] Adjust the height of the welded parts after they are fixed:

[0033] When it is necessary to adjust the height of the welded part after it is fixed, the third motor 401 is started, the third motor 401 drives the two first screws 402 to rotate, the first screw 402 drives the threaded cylinder 403 to move, the threaded cylinder 403 drives the wedge block 404 to slide, the wedge block 404 drives the roller 405 to move, the roller 405 drives the vertical rod 406 to move, the vertical rod 406 drives the support plate 6 to move, and then the height of the welded part is adjusted, so that the height of the welded part can be adjusted according to actual use requirements;

[0034] Welding spot inspection stage:

[0035] The second screw 13 is rotated, and the second screw 13 starts the second threaded block 14 to move, thereby adjusting the left and right positions of the visual inspection camera 16. The electric push rod 15 adjusts the vertical height of the visual inspection camera 16. The visual inspection camera 16 detects the welds of the welded parts. The first motor 301 is started, and the first motor 301 drives the back plate 302 to rotate, thereby driving the welded parts to rotate, and performing weld spot detection on different surfaces of the welded parts, which is convenient for performing weld spot detection on multiple surfaces of the welded parts.

[0036] Embodiment 2:

[0037] See attached Figure 1-6 : In this embodiment, a visual inspection device for welding points of welded parts is provided, the positioning mechanism 3 further includes a rubber pad 3a1, the rubber pad 3a1 is fixedly connected to the outer wall of the clamping block 308, and the rubber pad 3a1 increases the friction force of the outer wall of the clamping block 308;

[0038] Through the action of the rubber pad 3a1, when the clamp block 308 positions the weldment, the clamp block 308 contacts the weldment through the rubber pad 3a1. The rubber pad 3a1 increases the friction force of the outer wall of the clamp block 308, so that the clamp block 308 has a better fixing effect on the weldment.

[0039] Working principle:

[0040] When the clamp block 308 is positioning the welded part, the clamp block 308 contacts the welded part through the rubber pad 3a1. The rubber pad 3a1 increases the friction force of the outer wall of the clamp block 308, so that the clamp block 308 has a better fixing effect on the welded part.

[0041] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A device for visually inspecting weld spots of welded parts, comprising a base (1) and a sleeve (2), wherein the sleeve (2) is fixedly connected to the upper surface of the base (1), and wherein: The sleeve (2) is internally slidably connected to a slide rod (5), the upper end of the slide rod (5) is fixedly connected to a support plate (6), the support plate (6) is internally slidably connected to a slider (7), the upper surface of the slider (7) is fixedly connected to a vertical plate (8), a positioning mechanism (3) is arranged on the inner side of the vertical plate (8), a lifting mechanism (4) is arranged above the base (1), the support plate (6) and the outer walls of both ends of the stud (9) are rotatably connected via bearings, a handle (10) is fixedly connected to the end of the stud (9), and the outer wall of the stud (9) is threadedly connected to two first threaded blocks (11).

2. The device for visually inspecting welded parts according to claim 1 is characterized in that: The positioning mechanism (3) comprises a first motor (301), the first motor (301) is fixedly connected to the outer wall of the vertical plate (8), the output shaft of the first motor (301) is fixedly connected to the back plate (302), the back plate (302) is rotatably connected to the vertical plate (8) through a bearing, the surface of the back plate (302) is fixedly connected to the second motor (303), the output shaft of the second motor (303) is fixedly connected to the first gear (304), the first gear (304) is meshedly connected to the second gear (305), the second gear (305) is rotatably connected to the outer wall of the back plate (302), a sliding groove arranged in the second gear (305) is slidably connected to the outer wall of the pin rod (306), the pin rod (306) is fixedly connected to the surface of the support rod (307), the outer wall of the support rod (307) is slidably connected to the back plate (302), and a clamping block (308) is fixedly connected to the end of the support rod (307).

3. The device for visual inspection of welded parts according to claim 1, characterized in that: The lifting mechanism (4) comprises a third motor (401), the third motor (401) is fixedly connected to the upper surface of the base (1), the two output shafts of the third motor (401) are both fixedly connected to the first screw (402), the outer wall of the first screw (402) is threadedly connected to a threaded cylinder (403), the end of the threaded cylinder (403) is fixedly connected to a wedge block (404), the outer wall of the wedge block (404) is slidably connected to the base (1), the outer wall of the wedge block (404) is in contact with a roller (405), the roller (405) is rotatably connected to a vertical rod (406) via a bearing, and the upper end of the vertical rod (406) is fixedly connected to a support plate (6).

4. The device for visually inspecting welded parts according to claim 1, characterized in that: The support plate (6) is fixedly connected to the top plate (12) via a support column, and the top plate (12) and the outer walls at both ends of the second screw rod (13) are rotatably connected via bearings.

5. The device for visually inspecting welded parts according to claim 4 is characterized in that: The outer wall of the second screw rod (13) is threadedly connected to a second threaded block (14), an electric push rod (15) is fixedly connected below the second threaded block (14), and a visual inspection camera (16) is fixedly connected to the output end of the electric push rod (15).

6. The device for visually inspecting welded parts according to claim 1, characterized in that: The upper surface of the first threaded block (11) is fixedly connected to the sliding block (7).

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