Weld joint detection equipment

By designing a movable cylinder and spring structure to fix the ultrasonic flaw detection head, and using a motor drive transmission system to move the flaw detection head at a constant speed, the problems of low manual detection efficiency and poor accuracy are solved, and efficient weld detection is achieved.

CN222259246UActive Publication Date: 2024-12-27JINCHENG ZEHONG ENGINEERING QUALITY INSPECTION CO LTD
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Patent Information

Application Number
CN202323644481.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2024-12-27
Estimated Expiration
2033-12-29

AI Technical Summary

Technical Problem

During automobile manufacturing, when manually holding ultrasonic flaw detectors perform weld testing, the efficiency is slow and it is difficult to accurately control the movement speed, which can easily lead to missing weld detection and affect the weld detection effect.

Method used

A weld detection equipment was designed, using a movable cylinder and a spring structure to fix the ultrasonic flaw detection head, and drive the movable seat by driving the active roller and driven roller through the motor, so that the ultrasonic flaw detection head moves at a constant speed at the welding site, ensuring that the flaw detection head and welding are The seams are in close contact to achieve efficient inspection of the entire weld.

Benefits of technology

It improves the efficiency and accuracy of weld inspection, reduces detection omissions, and ensures the inspection quality of automobile parts welds.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides welding seam detection equipment, which relates to the technical field of welding seam detection and comprises a base A and a base B, the bottom of the base A is fixedly connected with the workbench, the top of the base A is connected with a movable top frame, and one end of the movable top frame is connected with a bolt; the bottom of the base B is fixedly connected with the workbench, the top of the base B is in contact with the movable top frame, and the bolt is connected with the base B; a driving roller and a driven roller are installed in the movable top frame and located at the two opposite ends, and a motor is fixedly installed outside the movable top frame. The movable top frame can be rotated to the top of the automobile part, the movable top frame is fixed through the plug pin, and the contact tightness of the bottom of the ultrasonic flaw detection head and the welding part of the automobile part is guaranteed. The motor drives the driving roller to rotate, and the driving roller drives the movable seat to move along the movable top frame through the driving belt; the movable seat drives the ultrasonic flaw detection head to move at a uniform speed at the welding part of the automobile part, so that the whole welding seam can be detected, and the automobile part detection efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of weld detection, in particular to a weld detection device. Background Art

[0002] In the process of automobile manufacturing, various parts need to be welded and assembled in many cases. In order to ensure the welding quality of automobile parts, weld inspection equipment is needed to inspect the welds of automobile parts after the welding of automobile parts is completed to ensure the strength of the welds.

[0003] At present, ultrasonic weld detectors are mostly used for weld inspection of automobile parts. During the inspection process, the ultrasonic flaw detector needs to be moved along the weld by hand, which is inefficient. In addition, it is difficult to accurately control the moving speed when the ultrasonic flaw detector is driven manually, which can easily lead to the omission of inspection of some welds, affecting the inspection effect of automobile parts welds. Utility Model Content

[0004] The disclosed embodiments relate to a weld inspection device, which solves the problem that the current weld inspection of automobile parts is mostly carried out using an ultrasonic weld detector. During the inspection process, it is necessary to manually hold an ultrasonic flaw detector and move it along the weld, which is inefficient. In addition, it is difficult to accurately control the movement speed by manually driving the ultrasonic flaw detector to move, which can easily lead to the occurrence of missed inspections of some welds, thus affecting the inspection effect of automobile parts welds.

[0005] In a first aspect of the present disclosure, a weld detection device is provided, which specifically includes: a base A and a base B; the bottom of the base A is fixedly connected to a workbench, the top of the base A is connected to a movable top frame, and one end of the movable top frame is connected to a latch; the bottom of the base B is fixedly connected to the workbench, the top of the base B is in contact with the movable top frame, and the latch is connected to the base B; an active roller and a driven roller are installed inside the movable top frame, the active roller and the driven roller are located at opposite ends, a motor is fixedly installed outside the movable top frame, and the driving shaft of the motor is connected to the active roller; a movable seat is installed inside the movable top frame, and a movable cylinder is connected to the inside of the movable seat; a driving belt, both ends of the driving belt are fixedly connected to the movable seat, and the driving belt is in contact with the active roller and the driven roller; two bolts are connected to the bottom of the movable cylinder, an ultrasonic flaw detector is installed inside the movable cylinder, and the ultrasonic flaw detector is electrically connected to a weld detector through a wire.

[0006] In at least some embodiments, the movable cylinder is through-through from top to bottom, and screw holes are provided at opposite ends of the bottom of the movable cylinder. Bolts are threadedly connected in the screw holes, and the inner ends of the bolts are in contact with the ultrasonic flaw detection head.

[0007] In at least some embodiments, a vertical through hole is provided inside the movable seat, and the movable cylinder slides through the vertical through hole provided in the movable seat.

[0008] In at least some embodiments, a spring is sleeved on the outside of the movable cylinder, the top of the spring contacts the bottom side of the movable seat, and the bottom of the spring contacts the movable cylinder.

[0009] In at least some embodiments, the movable seat moves in the movable top frame, and four rollers are rotatably connected to two sides of the movable seat, and the rollers are in rolling contact with the movable top frame.

[0010] In at least some embodiments, the active roller is rotatably connected to the movable top frame, the driven roller is rotatably connected to the movable top frame, and the active roller is transmission-connected to the driven roller via a driving belt.

[0011] In at least some embodiments, the movable top frame is rotatably connected to the base A, four external connection holes are provided on the top of the base B, and two internal connection holes are provided at one end of the movable top frame. The internal connection holes are connected to the external connection holes, and the pins pass through the external connection holes and the internal connection holes in a connected state.

[0012] The utility model provides a weld detection device, which has the following beneficial effects:

[0013] When the utility model is in use, the ultrasonic flaw detection head is fixed in the movable cylinder by bolts, and when the welding part of the automobile part is located below the ultrasonic flaw detection head, the movable cylinder moves downward under the influence of the spring thrust, so that the bottom of the ultrasonic flaw detection head is in close contact with the welding part of the automobile part, thereby ensuring the inspection quality of the automobile part.

[0014] In addition, when the automobile part to be inspected is placed in the middle of base A and base B, the movable top frame is rotated to the top of the automobile part, the inner connecting hole and the outer connecting hole are in a connected state, the pins are inserted into the outer connecting hole and the inner connecting hole, and the movable top frame is fixed by the pins to ensure the tightness of the contact between the bottom of the ultrasonic flaw detection head and the welding part of the automobile part. The motor drives the active roller to rotate, and the active roller drives the movable seat to move along the movable top frame through the driving belt. The movable seat drives the ultrasonic flaw detection head to move at a uniform speed at the welding part of the automobile part, so as to realize the detection of the entire weld and improve the detection efficiency of automobile parts.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 The overall axial side structure schematic diagram of the present application is shown;

[0020] Figure 2 It shows a schematic diagram of the shaft side structure of the movable top frame of the present application in a rotating state;

[0021] Figure 3 A schematic diagram of the top axial side structure of the movable seat of the present application is shown;

[0022] Figure 4 A schematic diagram of the movable seat bottom axial side structure of the present application is shown;

[0023] Figure 5 A schematic diagram of the disassembled structure of the movable seat and the movable cylinder of the present application is shown.

[0024] Reference numerals list

[0025] 1. Base A; 2. Base B; 201. External connection hole; 3. Movable top frame; 301. Internal connection hole; 4. Latch; 5. Motor; 6. Active roller; 7. Driven roller; 8. Driving belt; 9. Movable seat; 901. Roller; 902. Vertical through hole; 10. Movable cylinder; 1001. Screw hole; 11. Bolt; 12. Spring; 13. Ultrasonic flaw detection head. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1: Please refer to Figures 1 to 5 :

[0028] The utility model proposes a weld detection device, comprising: a base A1 and a base B; the bottom of the base A1 is fixedly connected to the workbench, the top of the base A1 is connected to a movable top frame 3, and one end of the movable top frame 3 is connected to a latch 4; the bottom of the base B2 is fixedly connected to the workbench, the top of the base B2 is in contact with the movable top frame 3, and the latch 4 is connected to the base B2; an active roller 6 and a driven roller 7 are installed inside the movable top frame 3, and the active roller 6 and the driven roller 7 are located at opposite ends, and a motor 5 is fixedly installed outside the movable top frame 3, and the driving shaft of the motor 5 is connected to the active roller 6; a movable seat 9 is installed inside the movable top frame 3, and a movable cylinder 10 is connected to the inside of the movable seat 9; a driving belt 8, the two ends of the driving belt 8 are fixedly connected to the movable seat 9, and the driving belt 8 is in contact with the active roller 6 and the driven roller 7; two bolts 11 are connected to the bottom of the movable cylinder 10, and the movable cylinder 10 is installed inside The ultrasonic flaw detection head 13 is electrically connected to the weld detector through a wire. The movable cylinder 10 is through-through from top to bottom. Screw holes 1001 are provided at opposite ends of the bottom of the movable cylinder 10. Bolts 11 are threadedly connected in the screw holes 1001. The inner ends of the bolts 11 are in contact with the ultrasonic flaw detection head 13. A vertical through hole 902 is provided inside the movable seat 9. The movable cylinder 10 slides through the vertical through hole 902 provided in the movable seat 9. A spring 12 is sleeved on the outside of the movable cylinder 10. The top of the spring 12 is in contact with the bottom side of the movable seat 9. The bottom of the spring 12 is in contact with the movable cylinder 10. The ultrasonic flaw detection head 13 is fixed in the movable cylinder 10 by the bolt 11. When the welding part of the automobile part is below the ultrasonic flaw detection head 13, the movable cylinder 10 moves downward under the thrust of the spring 12, so that the bottom of the ultrasonic flaw detection head 13 is in close contact with the welding part of the automobile part, thereby ensuring the inspection quality of the automobile parts.

[0029] Embodiment 2, on the basis of embodiment 1, the movable seat 9 is movable in the movable top frame 3, four rollers 901 are rotatably connected on both sides of the movable seat 9, the rollers 901 are in rolling contact with the movable top frame 3, the active roller 6 is rotatably connected with the movable top frame 3, the driven roller 7 is rotatably connected with the movable top frame 3, the active roller 6 is transmission-connected with the driven roller 7 through the driving belt 8, the movable top frame 3 is rotatably connected with the base A1, four external connection holes 201 are provided on the top of the base B2, two internal connection holes 301 are provided at one end of the movable top frame 3, the internal connection holes 301 are connected with the external connection holes 201, and the latch 4 runs through the external connection holes 201 and the internal connection holes 301 in the connected state; adopting the above technical scheme, When the automobile part to be inspected is placed in the middle of the base A1 and the base B2, the movable top frame 3 is rotated to the top of the automobile part, the inner connecting hole 301 is in a connected state with the outer connecting hole 201, the latch 4 is inserted into the outer connecting hole 201 and the inner connecting hole 301, and the movable top frame 3 is fixed by the latch 4 to ensure the tightness of the contact between the bottom of the ultrasonic flaw detection head 13 and the welding part of the automobile part. The motor 5 drives the active roller 6 to rotate, and the active roller 6 drives the movable seat 9 to move along the movable top frame 3 through the driving belt 8. The movable seat 9 drives the ultrasonic flaw detection head 13 to move at a uniform speed at the welding part of the automobile part, so that the entire weld can be inspected, thereby improving the inspection efficiency of automobile parts.

[0030] The working principle of this embodiment is as follows: the automobile part to be inspected is placed in the middle of the base A1 and the base B2, and then the movable top frame 3 is rotated to the top of the automobile part, the inner connecting hole 301 is in a connected state with the outer connecting hole 201, the latch 4 is plugged into the outer connecting hole 201 and the inner connecting hole 301, and the movable top frame 3 is fixed by the latch 4; the welding part of the automobile part is below the ultrasonic flaw detection head 13, and the movable cylinder 10 moves downward under the thrust of the spring 12, so that the bottom of the ultrasonic flaw detection head 13 is in close contact with the welding part of the automobile part; the motor 5 drives the active roller 6 to rotate, and the active roller 6 drives the movable seat 9 to move along the movable top frame 3 through the driving belt 8, and the movable seat 9 drives the ultrasonic flaw detection head 13 to move at a uniform speed at the welding part of the automobile part, so that the entire weld can be inspected.

[0031] In this article, there are a few points to note:

[0032] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0033] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0034] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A weld detection device, comprising: A base A (1) and a base B (2); characterized in that the base A (1) is fixedly connected to a workbench at the bottom, the base A (1) is connected to a movable top frame (3) at the top, and a latch (4) is connected to one end of the movable top frame (3); the base B (2) is fixedly connected to the workbench at the bottom, the base B (2) is in contact with the movable top frame (3), and the latch (4) is connected to the base B (2); an active roller (6) and a driven roller (7) are installed inside the movable top frame (3), the active roller (6) and the driven roller (7) are located at opposite ends, and the movable top frame (3) is fixedly installed outside A motor (5) is provided, the driving shaft of the motor (5) is connected to the active roller (6); a movable seat (9) is installed inside the movable top frame (3), and a movable cylinder (10) is connected to the inside of the movable seat (9); a driving belt (8), both ends of the driving belt (8) are fixedly connected to the movable seat (9), and the driving belt (8) is in contact with the active roller (6) and the driven roller (7); two bolts (11) are connected to the bottom of the movable cylinder (10), an ultrasonic flaw detector (13) is installed inside the movable cylinder (10), and the ultrasonic flaw detector (13) is electrically connected to a weld detector through a wire.

2. A weld detection device according to claim 1, characterized in that: The movable cylinder (10) is through-connected from top to bottom, and screw holes (1001) are provided at opposite ends of the bottom of the movable cylinder (10). Bolts (11) are threadedly connected in the screw holes (1001), and the inner ends of the bolts (11) are in contact with the ultrasonic flaw detection head (13).

3. A weld detection device according to claim 1, characterized in that: The movable seat (9) is provided with a vertical through hole (902) inside, and the movable cylinder (10) slides through the vertical through hole (902) provided in the movable seat (9).

4. A weld detection device according to claim 1, characterized in that: A spring (12) is sleeved on the outside of the movable cylinder (10), the top of the spring (12) contacts the bottom side of the movable seat (9), and the bottom of the spring (12) contacts the movable cylinder (10).

5. A weld detection device according to claim 1, characterized in that: The movable seat (9) moves inside the movable top frame (3), and four rollers (901) are rotatably connected to two sides of the movable seat (9), respectively, and the rollers (901) are in rolling contact with the movable top frame (3).

6. A weld detection device according to claim 1, characterized in that: The active roller (6) is rotationally connected to the movable top frame (3), the driven roller (7) is rotationally connected to the movable top frame (3), and the active roller (6) is transmission-connected to the driven roller (7) via a driving belt (8).

7. A weld detection device according to claim 1, characterized in that: The movable top frame (3) is rotatably connected to the base A (1); four external connection holes (201) are provided on the top of the base B (2); two internal connection holes (301) are provided at one end of the movable top frame (3); the internal connection holes (301) are connected to the external connection holes (201); and the latch (4) passes through the external connection holes (201) and the internal connection holes (301) in a connected state.