Weld defect detection mechanism

Abstract

The utility model discloses a weld defect detection mechanism. The detection mechanism comprises a frame, a plurality of plate sleeves connected with the frame, insertion plates connected with the plate sleeves in an insertion manner, a mounting plate connected between two insertion plates, and a laser contourgraph and a control panel which are connected with the top of the frame. According to the utility model, external conveying equipment is used for transporting a ship plate to be detected, and then a frame arranged on the conveying equipment is matched with each electric appliance element to detect the ship plate, specifically, a camera shoots a welding seam on the ship plate in real time, then a shot picture is transmitted to a control panel, and the control panel respectively controls two motors according to the position of the welding seam; the motor drives the rubber roller to rotate through the rotating shaft, the position of a ship plate is changed through friction force between the rubber roller and the ship plate, it is guaranteed that a weld joint passes through the bottom of the laser contourgraph, the whole weld joint can be detected, and the success of detection operation is guaranteed.

Description

Technical Field

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

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure.

[0003] The utility model with the application number CN202122832035.X discloses a robot for intelligently detecting weld defects, including a control mechanism, a robot body, etc. This utility model can not only realize the real-time positioning of the robot through the positioning structure, bypass obstacles, return to the charging pile for charging and fix at the task point; but also identify the defects of the weld in the original image through the image acquisition structure and mark the weld defect identification results; the rollers arranged at the bottom facilitate the robot to move stably in the workshop, and the telescopic structure can help the robot detect weld defects at different heights. Although this application has many advantages, when encountering irregularly arranged welds, once the welds are inclined or distorted, the welds cannot be fully collected, resulting in the failure of the detection operation. Content of the Utility Model

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by the utility model is as follows:

[0006] A weld defect detection mechanism, the detection mechanism includes a frame, a plurality of plate sleeves connected to the frame, a plug plate inserted into the plate sleeve, a mounting plate connected between the two plug plates, a laser profiler and a control panel connected to the top of the frame, a camera connected to the top of the frame, a rotating shaft movably connected between the two plate sleeves, a motor inserted into the rotating shaft, a machine sleeve movably sleeved outside the motor and connected to a plate sleeve, a rubber roller press-fitted outside the rotating shaft, and two openings opened on the mounting plate, and the camera is electrically connected to the control panel.

[0007] By adopting the above technical solution, an external conveying device is used to transport the ship plate to be detected, and then the frame and various electrical components installed on the conveying device cooperate to detect the ship plate. Specifically: the camera takes pictures of the weld on the ship plate in real time, and then transmits the captured picture to the control panel. The control panel controls the two motors respectively according to the position of the weld. The motors make the rubber roller rotate through the rotating shaft. Through the friction between the rubber roller and the ship plate, the position of the ship plate is changed to ensure that the weld passes under the laser profiler, so that the whole weld can be detected and the success of the detection operation is guaranteed.

[0008] In a preferred embodiment, the present utility model can be further configured as follows: there are two mounting plates, and the two mounting plates are vertically symmetric about the frame.

[0009] In a preferred embodiment, the present utility model can be further configured as follows: there are two rotating shafts, and the two rotating shafts are respectively located on both sides of the frame.

[0010] In a preferred embodiment, the present utility model can be further configured as follows: both motors are electrically connected to the control panel.

[0011] In a preferred embodiment, the present utility model can be further configured as follows: a box body is provided between the mounting plate and the rotating shaft, and the bottom of the box body is connected to the tops of the two plate sleeves.

[0012] In a preferred embodiment, the present utility model can be further configured as follows: a plurality of rotating shafts are arranged inside the box body, and the diameters of the plurality of rotating shafts are not equal to each other.

[0013] In a preferred embodiment, the present utility model can be further configured as follows: two limiting rings are movably sleeved outside the rotating shaft, and the two limiting rings are respectively attached to the inner sides of the two plate sleeves.

[0014] By adopting the above technical solutions, the beneficial effects achieved by the present utility model are:

[0015] In the present utility model, an external conveying device is used to transport the ship plate to be detected, and then the frame and various electrical components installed on the conveying device cooperate to detect the ship plate. Specifically, the camera takes real-time pictures of the welds on the ship plate, and then transmits the taken pictures to the control panel. The control panel controls the two motors respectively according to the positions of the welds. The motors drive the rubber rollers to rotate through the rotating shafts. Through the friction between the rubber rollers and the ship plate, the position of the ship plate is changed to ensure that the weld passes under the laser profiler, so that the entire weld can be detected, ensuring the success of the detection operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0017] Figure 2 is an assembly schematic diagram of the overall structure of the detection mechanism of the present utility model;

[0018] Figure 3 is a disassembled schematic diagram of a part of the detection mechanism of the present utility model.

[0019] Reference numerals:

[0020] 100, detection mechanism; 110, frame; 120, plate sleeve; 130, plug board; 140, mounting plate; 150, laser profiler; 160, control panel; 170, camera; 180, rotating shaft; 190, motor; 191, machine sleeve; 192, rubber roller;

[0021] 200, box body;

[0022] 300. Limiting ring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0025] A weld defect detection mechanism provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings.

[0026] Embodiment 1:

[0027] Combination Figures 1-3 As shown, a weld defect detection mechanism provided by the utility model includes a detection mechanism 100, wherein the detection mechanism 100 includes a frame 110, a plurality of plate sleeves 120 connected to the frame 110, a plug plate 130 plugged into the plate sleeve 120, a mounting plate 140 connected between two plug plates 130, a laser profiler 150 and a control panel 160 connected to the top of the frame 110, a camera 170 connected to the top of the frame 110, a rotating shaft 180 movably connected between the two plate sleeves 120, a motor 190 plugged into the rotating shaft 180, a machine sleeve 191 movably sleeved on the outside of the motor 190 and connected to one plate sleeve 120, a rubber roller 192 interference sleeved on the outside of the rotating shaft 180, and two openings opened on the mounting plate 140, wherein the camera 170 is electrically connected to the control panel 160.

[0028] Furthermore, the number of the mounting plates 140 is two, and the two mounting plates 140 are vertically symmetrical with respect to the frame 110. This layout design ensures that the frame 110 can be firmly erected.

[0029] Furthermore, the number of rotating shafts 180 is two, and the two rotating shafts 180 are respectively located at two sides of the frame 110 . The rotating shafts 180 are provided to provide conditions for installing the rubber roller 192 .

[0030] Further, both motors 190 are electrically connected to the control panel 160. With this structural design, manual operation of this device can be avoided, improving the comfort of using this device.

[0031] Embodiment 2:

[0032] Combined with Figure 1 As shown, on the basis of Embodiment 1, a box body 200 is provided between the mounting plate 140 and the rotating shaft 180. The bottom of the box body 200 is connected to the tops of the two plate sleeves 120. By setting the box body 200, rubber rollers 192 of different sizes can be placed to ensure that ship plates of different thicknesses can all be indirectly attached by the rotating shaft 180.

[0033] Specifically, a plurality of rotating shafts 180 are arranged inside the box body 200, and the diameters of the plurality of rotating shafts 180 are not equal to each other. With this structural design, it is ensured that the operation of adjusting the position of the ship plate can be carried out smoothly.

[0034] Embodiment 3:

[0035] Combined with Figures 2-3 As shown, in the above embodiment, two limiting rings 300 are movably sleeved outside the rotating shaft 180, and the two limiting rings 300 are respectively attached to the inner sides of the two plate sleeves 120. By setting the limiting rings 300, the rotation of the rotating shaft 180 can be made more stable.

[0036] Working principle and usage process of the present utility model: When this device is put into actual use, the ship plate to be welded is placed on an external conveying device (belt conveyor), and then the two mounting plates 140 are fixed on the external conveying device. Then, the frame 110 and the electrical components on its top are firmly supported. Then, according to the thickness of the ship plate, a rubber roller 192 that can fit the top of the ship plate is installed on the rotating shaft 180. Then, the external conveying device is started, and then the ship plate is conveyed. During the conveying process, the camera 170 takes real-time pictures of the weld on the ship plate, and then the captured pictures are transmitted to the control panel 160. The control panel 160 controls the two motors 190 respectively according to the position of the weld. The motors 190 drive the rubber rollers 192 to rotate through the rotating shaft 180. Through the friction between the rubber rollers 192 and the ship plate, the position of the ship plate is changed to ensure that the weld passes under the laser profiler 150, so that the entire weld can be detected, ensuring the success of the detection operation.

[0037] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A weld defect detection mechanism, characterized in that, Including: A detection mechanism (100), the detection mechanism (100) includes a frame (110), a plurality of plate sleeves (120) connected to the frame (110), a plug board (130) inserted into the plate sleeve (120), a mounting plate (140) connected between two plug boards (130), a laser profiler (150) and a control panel (160) connected to the top of the frame (110), a camera (170) connected to the top of the frame (110), a rotating shaft (180) movably connected between two plate sleeves (120), a motor (190) inserted into the rotating shaft (180), a machine sleeve (191) movably sleeved outside the motor (190) and connected to a plate sleeve (120), a rubber roller (192) press-fitted outside the rotating shaft (180), two openings opened on the mounting plate (140), and the camera (170) is electrically connected to the control panel (160).

2. The weld defect detection mechanism according to claim 1, characterized in that, The mounting plate (140) is provided with two, and the two mounting plates (140) are vertically symmetric about the frame (110).

3. The weld defect detection mechanism according to claim 1, characterized in that, The rotating shaft (180) is provided with two, and the two rotating shafts (180) are respectively located on both sides of the frame (110).

4. A weld defect detection mechanism according to claim 1, characterized in that, Both of the two motors (190) are electrically connected to the control panel (160).

5. The weld defect detection mechanism according to claim 1, characterized in that A box body (200) is provided between the mounting plate (140) and the rotating shaft (180), and the bottom of the box body (200) is connected to the tops of the two plate sleeves (120).

6. The weld defect detection mechanism according to claim 5, characterized in that, A plurality of rotating shafts (180) are arranged inside the box body (200), and the diameters of the plurality of rotating shafts (180) are not equal to each other.

7. The weld defect detection mechanism according to claim 1, characterized in that, Two limiting rings (300) are movably sleeved outside the rotating shaft (180), and the two limiting rings (300) are respectively attached to the inner sides of the two plate sleeves (120).

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