Vehicle body welding spot detection device

Abstract

The utility model discloses a vehicle body welding spot detection device, which comprises two groups of translation adjusting mechanisms symmetrically and fixedly arranged on the ground, the translation adjusting mechanisms are fixedly and transversely connected with a bottom plate in a sliding manner, and the upper end of the bottom plate is fixedly provided with a vertical plate vertical to the ground. The two vertical plates are parallel to each other and get close to or away from each other under translation adjustment of the translation adjusting mechanism, a plurality of adjusting rods are arranged on the opposite faces of the two vertical plates, one ends of the adjusting rods are detachably installed on the vertical plates, and the other ends of the adjusting rods are further fixedly and universally rotationally connected with an installation plate through universal rotating connecting pieces. An elastic cushion is fixedly arranged on the other surface of the mounting plate, and a sensor patch is fixedly arranged on the other surface of the elastic cushion. According to the device, a function of quickly positioning the sensor patch is provided by arranging a related structure, and the sensor patch does not need to be repeatedly disassembled and assembled in a subsequent test after one-time positioning, so that the mounting time of the sensor patch is saved, and a sensor oscillation detection scheme becomes a technical means capable of realizing full detection.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle body quality detection, in particular to a vehicle body welding point detection device. Background Art

[0002] The body of a car consists of a series of welds. For the same series of car bodies, the positions of the welds are fixed. In the quality inspection of the car body, the inspection of the welds is a key means to control the quality of the car body. At present, the inspection of the welds of the car body is mainly divided into random inspection and full inspection. There are many inspection methods for random inspection, including equipment automation inspection, manual visual inspection, sensor oscillation inspection, etc.

[0003] At present, sensor oscillation detection is a detection method that takes into account both detection efficiency and detection cost. Its principle is to use an exciter at one end of the car body to release the oscillation source, and attach sensors near each welding point of the car body. The sensor collects the oscillation frequency, and combines it with the corresponding equipment to quickly calculate the oscillation frequency of the welding point near the sensor, and then compares it to obtain the condition of the welding point. The difficulty of developing sensor oscillation detection into a technical means of full inspection is that multiple sensor patches need to be repeatedly removed and attached to the car body, which takes a lot of time. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a vehicle body welding point detection device, which provides the function of rapid positioning of sensor patches by setting relevant structures. After one positioning, the sensor patches do not need to be repeatedly disassembled and assembled in subsequent tests, thereby saving the sensor patch installation time and making the sensor oscillation detection scheme a technical means that can be fully inspected to solve the problems described in the background technology.

[0005] The technical solution of the utility model is achieved in this way:

[0006] 4. The repairing kit for automotive dents, according to claim 1, wherein the two trackbacks are connected along the vertical axis to the left of the foot stand, the two trackbacks are connected along the vertical axis to the right of the foot stand, and the trackbacks are connected along the vertical axis to the right of the foot stand.

[0007] When using the above solution, first push the body of the current model between the two vertical plates, move the two vertical plates to the appropriate position in the direction of the body through the translation adjustment mechanism, then install the main rod of the adjustment rod on the appropriate position of the vertical plate and fix it, then adjust the secondary rod to move the end of the secondary rod to the vicinity of the body welding point, then adjust the universal rotating connector, rotate the mounting plate, make the sensor patch close to the welding point measurement position, and finally fix the universal rotating connector. After all the sensor patches are fixed, place the exciter at one end of the body to detect the quality of the body welding point.

[0008] After the test is completed, the two vertical plates are moved away from the body through the translation adjustment mechanism to make the sensor patches leave the body, and then the tested body is pushed out and the new body is pushed back in. After the new body is pushed in, the two vertical plates are brought close to the body through the translation adjustment mechanism. Since the measurement position of each sensor patch has been determined, most of the sensor patches do not need to be repositioned. Only the vertical plates need to be brought close to the body, and these sensor patches can be quickly aligned with the measurement position of the solder joints, saving the time of reinstalling the patches, making the sensor oscillation detection method a technical means that can be used for full inspection.

[0009] By setting an adjustment rod, the mounting plate at the end of the secondary rod can be adjusted in three dimensions. When it is necessary to adjust the left and right distance between the sensor patch and the measuring position of the body weld, loosen the first nut and pull the secondary rod so that the secondary rod slides on the first bolt through the long hole to adjust the length of the adjustment rod. After the length is fixed, tighten the first nut and fix the secondary rod by clamping the first nut and the head of the first bolt together. When it is necessary to adjust the upper and lower heights between the sensor patch and the measuring position of the body weld, turn the secondary rod according to the above scheme and then fix the first nut. When it is necessary to slightly adjust the front and rear distance between the sensor patch and the measuring position of the body weld, loosen the second nut and screw the first bolt into the depth of the first screw hole to achieve it. After the front and rear distance is determined, tighten the second nut.

[0010] The universal rotating connection piece is provided so that the mounting plate can face the vehicle body structure under different curved surfaces.

[0011] The sensor patch is quickly compressed by setting an elastic pad. When the vertical plate moves to the corresponding position, the elastic pad can reduce the adjustment operation accuracy of the translation adjustment mechanism. Even if the adjustment exceeds the preset distance, the sensor patch can be prevented from being crushed by the passive compression of the elastic pad.

[0012] A further technical solution is that the translation adjustment mechanism includes a sliding seat fixed on the ground, a sliding groove is provided downwardly on the upper end surface of the sliding seat, a sliding bar is fixed on the lower end surface of the base plate, and the base plate is slidably connected to the sliding groove through the sliding bar, and the sliding bar can only slide horizontally in the sliding groove and cannot fall out upward; a positioning plate is also provided on the sliding seat, a screw is threadedly provided in the positioning plate, and the moving direction of the screw in the positioning plate is consistent with the direction of the sliding groove; a rotary handle is provided at the end of the screw away from the base plate, and the other end of the screw is rotatably connected to the base plate.

[0013] When using the above solution, if you want to turn the handle, the screw moves in the positioning plate, thereby pulling the bottom plate toward the positioning plate or pushing it away from the positioning plate, thereby achieving the function of moving the vertical plate closer to or away from the vehicle body.

[0014] A further technical solution is that a plurality of insertion seats are fixedly provided on the opposite surfaces of the two vertical plates, and the insertion seats are arranged on the vertical plates in a grid. A slot is provided downwardly from the top of the insertion seat, and an insertion block is provided at one end of the main rod close to the vertical plate. The insertion block slides from top to bottom into the slot, and a second screw hole is provided on the side wall of the insertion seat, and a second bolt for resisting the insertion block is screwed into the second screw hole.

[0015] When using the above solution, by selecting an insertion seat close to the measurement position of the body welding point, the insert of the adjustment rod can be quickly inserted into the slot, and then the insert is quickly fixed in the slot by tightening the second bolt. When the position needs to be changed, the adjustment rod can be quickly taken out and changed by loosening the second bolt instead of unscrewing it, which saves time for adjusting the position of the sensor patch.

[0016] A further technical solution is that the universal rotating connection is a ball joint connection.

[0017] A further technical solution is that the slot is a rectangular slot, the bottom surface of the slot is a horizontal plane, the insert block is a rectangular block, and the central axis of the first screw hole is parallel to the bottom surface of the insert block.

[0018] When the above solution is used, the rectangular slot cooperates with the rectangular plug block to quickly locate the first screw hole of the main rod, so that the first screw hole is parallel to the ground, which is convenient for three-dimensional adjustment of the secondary rod.

[0019] A further technical solution is that the vertical plate and the bottom plate are reinforced in a triangular structure by support rods.

[0020] A further technical solution is that each set of translation adjustment mechanisms includes two slides, and the positioning plate is fixedly installed between the two slides.

[0021] When the above solution is used, by providing two sets of slide seats, the movement of the bottom plate can be made more stable.

[0022] The beneficial effects of the utility model are:

[0023] 1. By setting vertical plates that can be translated closer to and away from each other, and setting three-dimensional movable and adjustable adjustment rods that can be quickly disassembled and installed between the vertical plates, and setting a universal rotating connector at the end of the adjustment rod to connect the mounting plate, and setting an elastic cushion on the mounting plate to install the sensor patch, the body of a fixed vehicle model can quickly arrange the sensor patch when using the sensor oscillation detection method to perform body weld point detection. After one arrangement, there is no need to readjust the position of the sensor patch during subsequent testing. The sensor patch can be quickly aligned with the welding point measurement position by controlling the movement of the vertical plate, which saves the time of reinstalling the patch, making the sensor oscillation detection method a technical means that can be used for full inspection.

[0024] 2. The sensor patch can be quickly compressed by setting an elastic pad. When the vertical plate moves to the corresponding position, the elastic pad can reduce the adjustment operation accuracy of the translation adjustment mechanism. Even if the adjustment exceeds the preset distance, the sensor patch can be prevented from being crushed by the passive compression of the elastic pad.

[0025] 3. By providing an insertion seat and a matching insertion block, when the position needs to be changed, the adjustment rod can be quickly taken out and changed by loosening the second bolt instead of unscrewing it, which saves time for adjusting the position of the sensor patch. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a vertical structural diagram of the device under partial structural section;

[0027] Figure 2 for Figure 1 Left side elevation view of;

[0028] Figure 3 This is a top view of the structure of the device;

[0029] Figure 4 This is an enlarged view of the elevation structure of the adjustment rod;

[0030] Figure 5 for Figure 4 Schematic diagram of the structure after transformation;

[0031] Figure 6 This is an enlarged top view of the adjusting rod;

[0032] Figure 7 It is the front view of the insertion seat.

[0033] In the figure, 1, ground, 2, sliding seat, 3, sliding bar, 4, bottom plate, 5, positioning plate, 6, screw, 7, handle, 8, slide groove, 9, support rod, 10, vertical plate, 11, insertion seat, 12, adjustment rod, 13, sensor patch, 14, plug block, 15, main rod, 16, secondary rod, 17, long hole, 18, first bolt, 19, ball joint connector, 20, mounting plate, 21, elastic cushion, 22, second bolt, 23, first screw hole, 24, first nut, 25, second nut, 26, vertical groove, 27, slot, 28, identification line. DETAILED DESCRIPTION

[0034] In order to better understand the technical content of the present invention, specific embodiments are provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0035] See also Figures 1 to 7 A vehicle body welding spot detection device comprises two sets of translation adjustment mechanisms symmetrically fixed on the ground 1, and a bottom plate 4 is fixedly connected to the translation adjustment mechanism in a transversely slidable manner.

[0036] Specifically, each set of translation adjustment mechanism includes two slides 2 screwed and fixed on the ground 1. The upper end surface of the slide 2 is provided with a flat-headed triangular slide 8 downwardly. The lower end surface of the bottom plate 4 is fixed with a slide bar 3 of a corresponding shape. The bottom plate 4 is slidably connected to the slide 8 through the slide bar 3. The slide bar 3 can only slide horizontally in the slide 8 and cannot escape upward. A positioning plate 5 is also welded between the two slides 2. A screw 6 is screwed through the positioning plate 5. The moving direction of the screw 6 in the positioning plate 5 is consistent with the direction of the slide 8. A handle 7 is provided at one end of the screw 6 away from the bottom plate 4. The other end of the screw 6 is rotated and fixedly connected to the bottom plate 4 through a rotating connection. The function of the rotating connection is to keep the screw 6 and the bottom plate 4 inseparable and able to rotate with each other. Many products in the prior art can achieve this function. Therefore, the structure of the rotating connection method will not be described in detail here. Those skilled in the art can fully use existing products to achieve the structural function according to the functional description in the specification.

[0037] A vertical plate 10 perpendicular to the ground 1 is welded to the upper end of the bottom plate 4, and the vertical plate 10 and the bottom plate 4 are welded and reinforced in a triangular structure through support rods 9. The two vertical plates 10 on the two sets of translation adjustment mechanisms are parallel to each other and move closer or farther from each other under the translation adjustment of the translation adjustment mechanism.

[0038] A plurality of rectangular insertion seats 11 are welded on the opposite sides of the two vertical plates 10. The insertion seats 11 are arranged on the vertical plates 10 in a grid. A rectangular slot 27 is opened downward from the top of the insertion seat 11. The bottom surface of the slot 27 is a horizontal plane. A vertical groove 26 connecting the slot 27 is also opened on the front end surface of the insertion seat 11.

[0039] A plurality of adjustment rods 12 are also provided on the opposite side of the two vertical plates 10. The adjustment rods 12 include a main rod 15 in the shape of a long strip and a secondary rod 16 in the shape of a long strip. A rectangular plug block 14 is provided at one end of the main rod 15. The plug block 14 slides from top to bottom into the slot 27. The main rod 15 slides into the vertical slot 26. A first screw hole 23 is provided at the other end of the main rod 15. The central axis of the first screw hole 23 is parallel to the bottom surface of the plug block 14. A second screw hole is also provided on the front side wall of the insertion seat 11. A second bolt 22 for resisting the plug block 14 is screwed into the second screw hole.

[0040] A long hole 17 is opened in the secondary rod 16, and the secondary rod 16 is also screwed into the first screw hole 23 through a first bolt 18 passing through the long hole 17. A first nut 24 abutting against the secondary rod 16 and a second nut 25 abutting against the main rod 15 are also screwed on the first bolt 18 between the main rod 15 and the secondary rod 16.

[0041] The end of the secondary rod 16 is also fixedly connected to the mounting plate 20 in a universal rotation manner via a ball joint connector 19. The ball joint connector 19 with a fixable ball head is a relatively common product in the prior art, and therefore the structure of the ball joint connector 19 will not be described in detail here. Those skilled in the art can fully adopt existing products to realize the structural function according to the functional description in the specification.

[0042] An elastic cushion 21 is glued to the other side of the mounting plate 20 , and the elastic cushion 21 is preferably EVA foam. A sensor patch 13 is glued to the other side of the elastic cushion 21 .

[0043] A marking line 28 is also provided on the ground 1 between the two vertical plates 10 to facilitate the placement and positioning of the vehicle body.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vehicle body welding spot detection device, characterized in that:

4. The repairing kit for automotive dents, according to claim 1, wherein the two foot stands are designed with a vertical cam, and the two foot stands are connected by a bolt, and a bolt has a round shank to contact with the foot of the foot. The bolt has a round cam, and the two foot stands are connected by a bolt, and a spring has a button to turn the button to turn the button. The bolt has a button to turn the button to turn the button.

2. A vehicle body welding spot detection device according to claim 1, characterized in that: The translation adjustment mechanism includes a sliding seat fixed on the ground, a sliding groove is opened downward on the upper end surface of the sliding seat, a sliding bar is fixed on the lower end surface of the base plate, and the base plate is slidably connected to the sliding groove through the sliding bar, and the sliding bar can only slide horizontally in the sliding groove and cannot fall out upward. A positioning plate is also provided on the sliding seat, and a screw rod is threaded through the positioning plate. The moving direction of the screw in the positioning plate is consistent with the direction of the sliding groove. A rotary handle is provided at the end of the screw away from the base plate, and the other end of the screw is rotatably connected to the base plate.

3. A vehicle body welding spot detection device according to claim 2, characterized in that: A plurality of insertion seats are fixedly provided on the opposite surfaces of the two vertical plates, and the insertion seats are arranged on the vertical plates in a grid. A slot is downwardly provided on the top of the insertion seat, and an insertion block is provided on the end of the main rod close to the vertical plate. The insertion block slides from top to bottom and is inserted into the slot. A second screw hole is also provided on the side wall of the insertion seat, and a second bolt for resisting the insertion block is screwed into the second screw hole.

4. The vehicle body welding spot detection device according to claim 1, characterized in that: The universal rotating connection piece is a ball joint connection piece.

5. The vehicle body welding spot detection device according to claim 3, characterized in that: The slot is a rectangular parallelepiped slot, the bottom surface of the slot is a horizontal plane, the insert block is a rectangular parallelepiped block, and the central axis of the first screw hole is parallel to the bottom surface of the insert block.

6. The vehicle body welding spot detection device according to claim 1, characterized in that: The vertical plate and the bottom plate are also reinforced in a triangular structure by support rods.

7. The vehicle body welding spot detection device according to claim 2, characterized in that: Each set of translation adjustment mechanisms includes two slide seats, and the positioning plate is fixedly installed between the two slide seats.

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