Detection device and equipment for scanning welding seam through line light source

Abstract

The utility model discloses a line light source scanning weld seam detection device and equipment, the line light source scanning weld seam detection device comprises a longitudinal steel frame, the inner wall of the longitudinal steel frame is provided with a sliding groove, a movable sliding block is installed in the sliding groove, and the position of the sliding block far away from the sliding groove is rotatably connected with a shading plate; a rotatable bidirectional lead screw is arranged on one side of the shading plate, two connecting rings are connected to the outer wall of the bidirectional lead screw in a threaded mode, and one side of each connecting ring is rotatably connected to the side wall of the shading plate. By arranging the shading plates, connecting rings rotatably connected to one ends of the shading plates are in threaded connection to the outer walls of the two-way lead screws, and the other ends of the shading plates are rotatably connected to the front sides of the sliding blocks, when the device is strongly polluted by light, the two shading plates can be erected, and therefore an external light source is lowered; therefore, the large-field-of-view laser detection head in the device can detect the welding seam of the workpiece more accurately.

Description

Technical Field

[0001] This utility model belongs to the field of weld inspection, and in particular relates to a detection device and equipment for scanning welds with a line light source. Background Technology

[0002] In manufacturing, the quality of welds is crucial to the overall performance and safety of products. Therefore, weld inspection is an indispensable part of ensuring product quality. With technological advancements, laser scanning technology, due to its high precision and speed, is widely used in weld inspection. However, in practical applications, external light sources such as natural light and work lights often interfere with laser scanning, leading to a decrease in the accuracy of the inspection results.

[0003] For example, the specification of an existing Chinese patent (publication number: CN206056502U) discloses a line light source scanning weld seam detection device, including a platform fixed to a test surface for mounting the weldment, a frame fixed to the test surface and with its top end higher than the platform, a robot mounted on the top of the frame and capable of moving along a first direction, a laser emission source, a camera, and a laser vision sensor mounted on the robot. However, in implementing the related technology, it has been found that the above-mentioned line light source scanning weld seam detection device has the following problem: although the device can detect weld seams during use, the detection process is highly susceptible to external environmental influences, thus affecting the detection results.

[0004] In view of this, a detection device for scanning weld seams with a line light source is provided to overcome the above-mentioned defects. Utility Model Content

[0005] To address the technical problem mentioned in the background art that the detection process is highly susceptible to external environmental influences, thereby affecting the detection results, a line light source scanning weld detection device and equipment are provided.

[0006] To achieve the above objectives, the specific technical solution of the line light source scanning weld detection device and equipment of this utility model is as follows:

[0007] A line light source scanning weld inspection device includes a longitudinal steel frame. A groove is provided on the inner wall of the longitudinal steel frame. A movable slider is installed in the groove. A light shield is rotatably connected to the slider away from the groove. A rotatable bidirectional screw is provided on one side of the light shield. Two connecting rings are threaded on the outer wall of the bidirectional screw. One side of the connecting ring is rotatably connected to the side wall of the light shield.

[0008] Furthermore, a limiting groove is formed on the inner wall side of the slide, and limiting blocks are provided on both sides of the slider, with the limiting blocks slidably located inside the limiting groove.

[0009] Furthermore, the line light source scanning weld inspection device also includes a horizontal steel frame, which is slidably connected to the longitudinal steel frame, and a laser inspection head is installed on the horizontal steel frame.

[0010] Furthermore, a first motor is installed on the outer side of the longitudinal steel frame, and a movable groove is opened on the top side wall of the longitudinal steel frame. A rotatable first lead screw is installed inside the movable groove. The first lead screw is connected to the first motor, and a movable block is threadedly connected to the outer wall of the first lead screw. The movable block is installed on the transverse steel frame.

[0011] Furthermore, one side of the movable block is fixedly connected to the side wall of the horizontal steel frame, and a rotatable second lead screw is installed inside the horizontal steel frame. A connecting block is threaded onto the outer wall of the second lead screw, and a laser detection head is fixedly installed at the bottom of the connecting block.

[0012] Furthermore, a mounting block is fixedly installed on one side of the longitudinal steel frame, and a second motor is fixedly installed on one side of the mounting block. A bidirectional lead screw is rotatably connected to one side of the second motor.

[0013] Furthermore, a third motor is installed on the side wall of the horizontal steel frame, and the third motor is connected to the second lead screw.

[0014] Furthermore, the line light source scanning weld inspection device also includes a loading plate, on which the longitudinal steel frames are all mounted.

[0015] Furthermore, there are two longitudinal steel frames, and a placement plate is fixedly installed between the two longitudinal steel frames. The light-shielding plate is placed on the top surface of the placement plate in the initial state.

[0016] A line light source scanning weld inspection device includes the above-mentioned line light source scanning weld inspection device.

[0017] The line light source scanning weld detection device of this utility model has the following advantages: by setting up a light shield, and setting a connecting ring that can be rotatably connected to the outer wall of the bidirectional lead screw at one end of the light shield, and the other end of the light shield can be rotatably connected to the front side of the slider, the two light shields can be raised when the device is subjected to strong light pollution, thereby reducing the external light source, so that the large field of view laser detection head in the device can more accurately detect the weld of the workpiece.

[0018] The line light source scanning weld inspection device of this utility model has the following advantages: by setting a light shield, and setting a connecting ring that can be rotatably connected to the outer wall of the bidirectional lead screw at one end of the light shield, and the other end of the light shield being rotatably connected to the front side of the slider, when the large field-of-view laser inspection head in the device cannot quickly capture the position of the workpiece, the workpiece can be clamped to the middle position of the top surface of the placement plate by the two light shields, so that the large field-of-view laser inspection head can complete the inspection of the workpiece more quickly. Attached Figure Description

[0019] Figure 1 It is the structure schematic view of the detection device of the linear light source scanning weld of the utility model;

[0020] Figure 2 It is the structure schematic view of the detection device of the linear light source scanning weld of the utility model another view;

[0021] Figure 3 It is Figure 1 The enlarged view of A in the middle;

[0022] Figure 4 It is Figure 1 The enlarged view of B in the middle.

[0023] Marking in the figure:

[0024] 1, loading plate;2, vertical steel frame;3, horizontal steel frame;4, moving groove;5, first motor;6, first screw;7, moving block;8, placing plate;9, light shield;10, second motor;11, mounting block;12, bidirectional screw;13, third motor;14, connecting block;15, large field laser detection head;16, second screw;17, sliding groove;18, limiting groove;19, sliding block;20, limiting block;21, connecting ring. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means to be within the scope of the utility model and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0027] The following refers to the accompanying Figure 1 to the accompanying Figure 4 A kind of linear light source scanning weld detection device and equipment of the utility model are described.

[0028] The embodiment provides a kind of linear light source scanning weld detection device, such as Figures 1-4As shown, the line light source scanning weld detection device comprises a longitudinal steel frame 2, a sliding groove 17 is formed on the inner wall of the longitudinal steel frame 2, a movable sliding block 19 is installed in the sliding groove 17, a light shield 9 is rotatably connected to the position of the sliding block 19 away from the sliding groove 17, a rotatable bidirectional screw rod 12 is arranged on one side of the light shield 9, two connecting rings 21 are threadedly connected to the outer wall of the bidirectional screw rod 12, and the connecting rings 21 are rotatably connected to the side wall of the light shield 9. By arranging the light shield 9, threadedly connecting the connecting rings 21 rotatably connected to one end of the light shield 9 to the outer wall of the bidirectional screw rod 12, and rotatably connecting the other end of the light shield 9 to the front side of the sliding block 19, when the device is subjected to strong light pollution, the two light shields 9 can be erected, thereby reducing external light sources, and the large field of view laser detection head 15 in the device can more accurately detect the weld of the workpiece.

[0029] Further, as shown in the figure, Figure 4 The inner wall side of the sliding groove 17 is provided with a limiting groove 18, and the two sides of the sliding block 19 are provided with limiting blocks 20 which are slidably located in the limiting groove 18.

[0030] Further, as shown in the figure, Figure 2 The line light source scanning weld detection device further comprises a horizontal steel frame 3 which is slidably connected with the longitudinal steel frame 2, and the horizontal steel frame 3 is provided with a laser detection head,

[0031] Further, a first motor 5 is arranged on the outer side of the longitudinal steel frame 2, a moving groove 4 is formed on the top side wall of the longitudinal steel frame 2, a rotatable first screw rod 6 is arranged in the moving groove 4, the first screw rod 6 is connected with the first motor 5, a moving block 7 is threadedly connected to the outer wall of the first screw rod 6, and the moving block 7 is arranged on the horizontal steel frame 3.

[0032] Further, one side of the moving block 7 is fixedly connected to the side wall of the horizontal steel frame 3, a rotatable second screw rod 16 is installed in the horizontal steel frame 3, a connecting block 14 is threadedly connected to the outer wall of the second screw rod 16, and the connecting block 14 is fixedly installed with a laser detection head at the bottom end.

[0033] Further, as shown in the figure, Figure 1 One side of the longitudinal steel frame 2 is fixedly installed with a mounting block 11, one side of the mounting block 11 is fixedly installed with a second motor 10, and the bidirectional screw rod 12 is rotatably connected to one side of the second motor 10.

[0034] Further, a third motor 13 is arranged on the side wall of the horizontal steel frame 3, and the third motor 13 is connected with the second screw rod 16.

[0035] In actual implementation, the first motor 5 and the third motor 13 can be started first to drive the first lead screw 6 and the second lead screw 16 to rotate, so that the moving block 7 and the connecting block 14 move, and the large-field laser detection head 15 connected to the bottom end of the connecting block 14 can move in all directions above the placement plate 8, so that the large-field laser detection head 15 can detect the parts placed above the placement plate 8.

[0036] The conventional detection device is easily affected by external light sources during use. When the device is used, the second motor 10 can be started to drive the bidirectional lead screw 12 to rotate. After the bidirectional lead screw 12 rotates, the two connecting rings 21 threadedly connected to the outer wall of the bidirectional lead screw 12 move to both sides. One side of the connecting ring 21 is rotatably connected to the side wall of the light shield plate 9. Therefore, the connecting ring 21 drives the light shield plate 9 to move after moving. The other end of the light shield plate 9 is rotatably connected to one side of the sliding block 19, and the sliding block 19 is slidably arranged in the sliding groove 17. When the light shield plate 9 is driven, the sliding block 19 moves upward along the sliding groove 17, and the two light shield plates 9 block the space on both sides of the vertical steel frame 2, so that the external light source is blocked, and the detection of the weld of the workpiece is facilitated.

[0037] The light shield plate 9 is arranged, the connecting ring 21 rotatably connected to one end of the light shield plate 9 is threadedly connected to the outer wall of the bidirectional lead screw 12, and the other end of the light shield plate 9 is rotatably connected to the front side of the sliding block 19. When the device is affected by strong light pollution, the two light shield plates 9 can be erected to reduce the external light source, so that the large-field laser detection head 15 in the device can more accurately detect the weld of the workpiece.

[0038] Further, the line light source scanning weld detection device further comprises a loading plate 1, and the vertical steel frames 2 are arranged on the loading plate 1.

[0039] Further, as shown in Figure 1 and Figure 2 , the number of the vertical steel frames 2 is two, and the placement plate 8 is fixedly installed between the two vertical steel frames 2. The light shield plate 9 is placed on the top surface of the placement plate 8 in the initial state.

[0040] The embodiment also provides a line light source scanning weld detection device. The light shield plate 9 is arranged, the connecting ring 21 rotatably connected to one end of the light shield plate 9 is threadedly connected to the outer wall of the bidirectional lead screw 12, and the other end of the light shield plate 9 is rotatably connected to the front side of the sliding block 19. When the large-field laser detection head 15 in the device cannot quickly capture the position of the workpiece, the workpiece can be clamped to the middle position of the top surface of the placement plate 8 by the two light shield plates 9, so that the large-field laser detection head 15 can more quickly complete the detection of the workpiece.

[0041] In the embodiment, when the device faces small workpieces and the large field laser detection head 15 cannot quickly and accurately scan, the device can start the second motor 10 to make the bidirectional screw rod 12 flip, and the two light shielding plates 9 gradually approach the middle position of the top surface of the placement plate 8. At this time, the workpiece is placed on the top surface of the placement plate 8, and the two light shielding plates 9 will abut the workpiece to the middle position of the placement plate 8. At this time, the large field laser detection head 15 only needs to be moved horizontally between the two light shielding plates 9, and the workpiece can be quickly detected.

[0042] By setting the light shielding plates 9, and setting the connecting ring 21 at one end of the light shielding plates 9 rotatably connected and screwed on the outer wall of the bidirectional screw rod 12, and the other end of the light shielding plates 9 rotatably connected to the front side of the sliding block 19, when the large field laser detection head 15 in the device cannot quickly capture the position of the workpiece, the two light shielding plates 9 can clamp the workpiece to the middle position of the top surface of the placement plate 8, so that the large field laser detection head 15 can more quickly complete the detection of the workpiece.

[0043] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not enumerated. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A line light source scanning detection device for weld seams, characterized in that, It includes a longitudinal steel frame, on the inner wall of which a sliding groove is provided. A movable slider is installed in the sliding groove. A light-shielding plate is rotatably connected to the slider away from the sliding groove. A rotatable bidirectional screw is provided on one side of the light-shielding plate. Two connecting rings are threaded on the outer wall of the bidirectional screw. One side of the connecting ring is rotatably connected to the side wall of the light-shielding plate.

2. The line light source scanning weld detection device according to claim 1, characterized in that, A limiting groove is formed on the inner wall side of the slide, and limiting blocks are provided on both sides of the slider. The limiting blocks are slidably located inside the limiting groove.

3. The line light source scanning weld detection device according to claim 1, characterized in that, The line light source scanning weld inspection device also includes a horizontal steel frame, which is slidably connected to the longitudinal steel frame, and a laser inspection head is installed on the horizontal steel frame.

4. The line light source scanning weld detection device according to claim 3, characterized in that, A first motor is installed on the outer side of the longitudinal steel frame. A movable groove is opened on the top side wall of the longitudinal steel frame. A rotatable first lead screw is installed inside the movable groove. The first lead screw is connected to the first motor. A movable block is threaded on the outer wall of the first lead screw. The movable block is installed on the transverse steel frame.

5. The line light source scanning weld detection device according to claim 4, characterized in that, One side of the movable block is fixedly connected to the side wall of the horizontal steel frame. A rotatable second lead screw is installed inside the horizontal steel frame. A connecting block is threaded onto the outer wall of the second lead screw. A laser detection head is fixedly installed at the bottom of the connecting block.

6. The line light source scanning weld detection device according to claim 5, characterized in that, A mounting block is fixedly installed on one side of the longitudinal steel frame, and a second motor is fixedly installed on one side of the mounting block. A bidirectional lead screw is rotatably connected to one side of the second motor.

7. The line light source scanning weld detection device according to claim 5, characterized in that, A third motor is installed on the side wall of the horizontal steel frame, and the third motor is connected to the second lead screw.

8. The line light source scanning weld inspection device according to any one of claims 1-7, characterized in that, The line light source scanning weld inspection device also includes a loading plate, on which the longitudinal steel frames are all mounted.

9. The line light source scanning weld inspection device according to any one of claims 1-7, characterized in that, There are two longitudinal steel frames, and a placement plate is fixedly installed between the two longitudinal steel frames. The light-shielding plate is placed on the top surface of the placement plate in the initial state.

10. A line light source scanning weld inspection device, characterized in that, The device includes a line light source scanning weld inspection device as described in any one of claims 1-9.

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