Automobile sheet metal part welding strength testing device

Abstract

The utility model discloses an automobile sheet metal part welding strength testing device, which comprises an integrated frame and a supporting plate, the supporting plate is arranged in the integrated frame, a test board is arranged in the integrated frame on one side of the supporting plate, a placing box is arranged in the integrated frame on one side of the test board, and the placing box is arranged in the integrated frame on one side of the test board. Transverse moving mechanisms are mounted in the integrated frame on two sides of the test bench, two groups of supporting arms are mounted at the top end of the integrated frame, a driving box is mounted on the side wall of one group of supporting arms, a servo motor is mounted on the inner wall of the driving box, and a transmission gear is mounted at the output end of the servo motor. According to the utility model, the automobile sheet metal part can be conveniently and movably input, the test position of the automobile sheet metal part can be conveniently and circumferentially rotated and adjusted, the strength of the automobile sheet metal part can be conveniently and effectively tested, the test angle of the automobile sheet metal part can be rotationally adjusted, and the output and collection convenience and the test flexibility after the automobile sheet metal part is tested are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a welding strength testing device for automobile sheet metal parts. Background Art

[0002] Automotive sheet metal is a technical means of automobile repair. In this respect, automotive sheet metal is equal to automotive sheet metal repair, which means that the car body needs to be repaired after a collision, that is, all the work except the anti-corrosion and decorative spraying work on the car body, such as the analysis of automobile body damage, automobile body measurement, automobile body sheet metal shaping, stretching correction, stress relief welding, and automobile body accessories assembly, adjustment and other work. Automobile sheet metal parts are mostly welded, and their strength needs to be tested after welding. Traditional testing is mostly manual touch testing, and its detection is mostly inconvenient. In order to better detect, a welding strength testing device for automobile sheet metal parts is proposed.

[0003] For example, a welding strength testing device for automobile sheet metal parts disclosed in the authorization announcement number CN208350527U includes a workbench, columns are arranged at the four corners of the top surface of the workbench, a placement plate is arranged on the top surface of the columns, a lifting device is arranged at the center position of the four columns on the top surface of the workbench, the top of the lifting device is connected to a pressure plate, a screw placement sleeve for placing automobile sheet metal parts is arranged on the pressure plate, the screw placement sleeve is a hollow structure for accommodating nuts on the screws of automobile sheet metal parts and is provided with openings on the left and right sides, and a pressure sensor is arranged at a position on the lower surface of the placement plate vertically corresponding to the screw placement sleeve;

[0004] Although it can judge the welding strength of automobile sheet metal parts through data comparison, thus effectively ensuring the reliability of product welding;

[0005] However, the problem that the existing testing device is not conducive to convenient mobile input of automobile sheet metal parts and convenient circular rotation adjustment of the test position of automobile sheet metal parts during use is not solved, which is not conducive to effective strength testing of automobile sheet metal parts and rotation adjustment of test angles, affecting the convenience of output collection after automobile sheet metal testing and the flexibility of testing. Utility Model Content

[0006] The purpose of the utility model is to provide a welding strength testing device for automobile sheet metal parts, so as to solve the problem that the testing device proposed in the above background technology is not convenient for conveniently moving and inputting automobile sheet metal parts and conveniently adjusting the test position of automobile sheet metal parts by circular rotation, which is not conducive to effective strength testing of automobile sheet metal parts and rotation adjustment of test angles, affecting the convenience of output collection after automobile sheet metal parts testing and the flexibility of testing.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding strength testing device for automobile sheet metal parts, comprising an integrated frame and a support plate, a support plate is installed inside the integrated frame, a test bench is installed inside the integrated frame on one side of the support plate, a placement box is installed inside the integrated frame on one side of the test bench, and a lateral moving mechanism is installed inside the integrated frames on both sides of the test bench, two groups of support arms are installed at the top of the integrated frame, and a drive box is installed on the side wall of one group of support arms, a servo motor is installed on the inner wall of the drive box, a transmission gear is installed at the output end of the servo motor, a transmission shaft is movably installed inside the support arm below the transmission gear, a driven gear is mounted on the surface of the transmission shaft, and the transmission gear and the driven gear are meshed with each other, and a driven shaft is movably installed at the center position of the other group of support arms, a rotating plate is installed at one end of the driven shaft, and the rotating plate is connected to the transmission shaft, a hydraulic rod is installed inside the rotating plate, a pressure plate is installed at the output end of the hydraulic rod, and a pressure block is installed at the bottom end of the pressure plate.

[0008] Preferably, a cylinder is installed at the bottom end of the support plate, a feed plate is installed at the output end of the cylinder, and the feed plate is slidably connected to the support plate.

[0009] Preferably, the output ends of the lateral moving mechanisms are all equipped with connecting arms, and the side walls of the connecting arms are all equipped with rotating boxes.

[0010] Preferably, a stepper motor is installed on the inner wall of the rotating box, a worm is installed on the output end of the stepper motor, and the worm is movably connected to the rotating box.

[0011] Preferably, a linkage shaft is movably installed inside the rotating box on one side of the worm, a worm wheel is mounted on the surface of the linkage shaft, and the worm and the worm wheel are meshed with each other.

[0012] Preferably, a second electric push rod is installed at the bottom end of the linkage shaft, and the second electric push rod is fixedly connected to the linkage shaft.

[0013] Preferably, an adsorption frame is installed at the output end of each of the second electric push rods, and the adsorption frame is fixedly connected to the output end of the second electric push rod.

[0014] Preferably, two sets of electromagnets are installed at the bottom end of the adsorption frame, and the electromagnets are fixedly connected to the adsorption frame.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the testing device not only realizes convenient mobile input of automobile sheet metal parts and convenient circular rotation adjustment of the testing position of automobile sheet metal parts, facilitates effective strength testing of automobile sheet metal parts and rotation adjustment of the testing angle, but also improves the convenience of output collection after the automobile sheet metal parts are tested and the flexibility of the test;

[0016] (1) The feed plate is driven by the cylinder to move, and the feed plate drives the automobile sheet metal to move under the electromagnet. The second electric push rod drives the adsorption rack to move downward, and the adsorption rack drives the two sets of electromagnets to move downward, so that the electromagnet contacts the automobile sheet metal. Then, the electromagnet is turned on, and the electromagnet adsorbs the automobile sheet metal. The second electric push rod is closed, and the adsorption rack drives the automobile sheet metal to be lifted. Then, a set of lateral moving mechanisms is turned on, and the lateral moving mechanism drives a set of connecting arms to move. The connecting arms drive a set of rotating boxes, linkage shafts, second electric push rods, adsorption racks, electromagnets and automobile sheet metal to move. After the automobile sheet metal is moved to the test bench, the set of lateral moving mechanisms is turned on. The moving mechanism drives the group of electromagnets to reset, the hydraulic rod drives the pressure plate to move downward, the pressure plate drives the pressure block to move downward, and the pressure block is used to punch the automobile sheet metal parts, wherein the pressure of the hydraulic rod is a fixed value. Through manual observation, if the dent on the surface of the tested sheet metal part is deep, that is, the welding strength of the automobile sheet metal part is unqualified, the automobile sheet metal parts that have passed the test are moved and placed inside the placement box by another group of lateral moving mechanisms to drive another group of electromagnets to collect the automobile sheet metal parts, thus realizing convenient mobile input of automobile sheet metal parts, facilitating effective strength testing of automobile sheet metal parts, and improving the convenience of outputting and collecting automobile sheet metal parts after testing;

[0017] (2) The worm is driven to rotate by a stepper motor, which drives the worm wheel to rotate, which drives the linkage shaft to rotate, and the linkage shaft drives the automobile sheet metal to rotate. Then, the above operation is repeated to move the automobile sheet metal that has been adjusted to the test bench position to complete the test. The servo motor drives the transmission gear to rotate, which drives the driven gear to rotate, which drives the transmission shaft to rotate, which drives the rotating plate to rotate, and the rotating plate drives the hydraulic rod, the pressure plate and the pressure block to rotate to adjust the test angle of the pressure block, so as to facilitate multi-directional testing of automobile sheet metal parts, realize convenient circular rotation adjustment of the test position of automobile sheet metal parts, facilitate rotation adjustment of the test angle, and improve the flexibility of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the integrated frame of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the rotating plate of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the adsorption rack of the utility model;

[0022] Figure 5It is a schematic diagram of the side cross-sectional structure of the rotary box of the utility model.

[0023] In the figure: 1. integrated frame; 2. rotating plate; 3. support arm; 4. lateral moving mechanism; 5. support plate; 6. test bench; 7. placement box; 8. hydraulic rod; 9. driven shaft; 10. pressure block; 11. pressure plate; 12. drive box; 13. servo motor; 14. transmission gear; 15. driven gear; 16. transmission shaft; 17. feed plate; 18. worm gear; 19. cylinder; 20. electromagnet; 21. adsorption frame; 22. second electric push rod; 23. rotating box; 24. connecting arm; 25. linkage shaft; 26. worm; 27. stepper motor. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: a welding strength test device for automobile sheet metal parts, comprising an integrated frame 1 and a support plate 5, wherein the support plate 5 is installed inside the integrated frame 1, a test bench 6 is installed inside the integrated frame 1 on one side of the support plate 5, a placement box 7 is installed inside the integrated frame 1 on one side of the test bench 6, and a lateral moving mechanism 4 is installed inside the integrated frame 1 on both sides of the test bench 6, and the lateral moving mechanism 4 plays a role of power drive, two groups of support arms 3 are installed on the top of the integrated frame 1, and a drive box 12 is installed on the side wall of one group of support arms 3, and a servo motor 13 is installed on the inner wall of the drive box 12, and the servo motor 1 3 plays the role of power drive, the output end of the servo motor 13 is installed with a transmission gear 14, and a transmission shaft 16 is movably installed inside the support arm 3 below the transmission gear 14. A driven gear 15 is sleeved on the surface of the transmission shaft 16, and the transmission gear 14 and the driven gear 15 are meshed with each other, and a driven shaft 9 is movably installed at the center position of another group of support arms 3, and a rotating plate 2 is installed at one end of the driven shaft 9, and the rotating plate 2 is connected to the transmission shaft 16. A hydraulic rod 8 is installed inside the rotating plate 2, and the hydraulic rod 8 plays the role of power drive. A pressing plate 11 is installed at the output end of the hydraulic rod 8, and a pressing block 10 is installed at the bottom end of the pressing plate 11;

[0026] First, the device is connected to an external controller, and the automobile sheet metal to be tested is placed on the support plate 5. The cylinder 19 is opened through external control, and the cylinder 19 drives the feed plate 17 to move, and the feed plate 17 drives the automobile sheet metal to move below the electromagnet 20. Then, a group of second electric push rods 22 are opened through external control, and the second electric push rods 22 drive the adsorption frame 21 to move downward, and the adsorption frame 21 drives the two groups of electromagnets 20 to move downward, so that the electromagnets 20 contact the automobile sheet metal. Then, the electromagnets 20 are opened, and the electromagnets 20 adsorb the automobile sheet metal. The second electric push rods 22 are closed, and the automobile sheet metal is lifted by the adsorption frame 21. Then, a group of lateral moving mechanisms 4 is opened, and the lateral moving mechanism 4 drives a group of connecting arms 24 to move, and the connecting arms 24 drive a group of rotating boxes 23, linkage shafts 25, second electric push rods 22, and adsorption frames 21. The auxiliary frame 21, the electromagnet 20 and the automobile sheet metal parts move. After the automobile sheet metal parts are moved onto the test bench 6, the group of lateral moving mechanisms 4 drives the group of electromagnets 20 to reset, and then the hydraulic rod 8 is opened by external control, and the hydraulic rod 8 drives the pressing plate 11 to move downward, and the pressing plate 11 drives the pressing block 10 to move downward, and the pressing block 10 is used to punch the automobile sheet metal parts, wherein the pressure of the hydraulic rod 8 is a fixed value. Through manual observation, if the dents on the surface of the tested sheet metal parts are deep, that is, the welding strength of the automobile sheet metal parts is unqualified, the automobile sheet metal parts that have passed the test are moved and placed inside the placement box 7 by another group of lateral moving mechanisms 4 to drive another group of electromagnets 20 to collect the automobile sheet metal parts, thereby realizing convenient mobile input of automobile sheet metal parts, facilitating effective strength testing of automobile sheet metal parts, and improving the convenience of outputting and collecting automobile sheet metal parts after testing;

[0027] A cylinder 19 is installed at the bottom end of the support plate 5, and the cylinder 19 plays a role of power drive. A feed plate 17 is installed at the output end of the cylinder 19, and the feed plate 17 is slidably connected to the support plate 5;

[0028] The output ends of the lateral moving mechanisms 4 are all equipped with connecting arms 24, the side walls of the connecting arms 24 are all equipped with rotating boxes 23, the inner walls of the rotating boxes 23 are all equipped with stepping motors 27, the stepping motors 27 play a role of power drive, the output ends of the stepping motors 27 are all equipped with worms 26, and the worms 26 are movably connected to the rotating boxes 23;

[0029] A linkage shaft 25 is movably installed inside the rotating box 23 on one side of the worm 26, and a worm wheel 18 is mounted on the surface of the linkage shaft 25, and the worm 26 and the worm wheel 18 are meshed with each other. A second electric push rod 22 is installed at the bottom end of the linkage shaft 25, and the second electric push rod 22 plays a role of power drive, and the second electric push rod 22 is fixedly connected to the linkage shaft 25;

[0030] The output end of the second electric push rod 22 is equipped with an adsorption frame 21, and the adsorption frame 21 is fixedly connected to the output end of the second electric push rod 22. The bottom end of the adsorption frame 21 is equipped with two sets of electromagnets 20, and the electromagnets 20 are fixedly connected to the adsorption frame 21.

[0031] When the test position of the automobile sheet metal part needs to be adjusted, the stepper motor 27 is turned on by external control, and the stepper motor 27 drives the worm 26 to rotate. Under the mutual meshing of the worm 26 and the worm wheel 18, the worm 26 drives the worm wheel 18 to rotate, and the worm wheel 18 drives the linkage shaft 25 to rotate, and the linkage shaft 25 drives the automobile sheet metal part to rotate. Then, the above operation is repeated to move the automobile sheet metal part whose rotation is adjusted to the position of the test bench 6 to complete the test. When the test angle of the pressure block 10 needs to be adjusted, the servo motor 13 is turned on by external control, and the servo motor 13 drives the transmission gear 14 to rotate. The driven gear 15 is driven by the driving gear 14 to rotate under the mutual meshing of the driving gear 14 and the driven gear 15, and the driven gear 15 drives the driving shaft 16 to rotate. Under the active cooperation of the driven shaft 9 and another set of support arms 3, the driving shaft 16 drives the rotating plate 2 to rotate, and the rotating plate 2 drives the hydraulic rod 8, the pressure plate 11 and the pressure block 10 to rotate to adjust the test angle of the pressure block 10, so as to facilitate the multi-directional testing of the automobile sheet metal parts, realize the convenient circular rotation adjustment of the test position of the automobile sheet metal parts, facilitate the rotation adjustment of the test angle, and improve the flexibility of the test.

[0032] Working principle: First, the cylinder 19 drives the feed plate 17 to move, and the feed plate 17 drives the automobile sheet metal to move to the bottom of the electromagnet 20, and the second electric push rod 22 drives the adsorption frame 21 to move downward, and the adsorption frame 21 drives the two sets of electromagnets 20 to move downward, so that the electromagnet 20 contacts the automobile sheet metal, and the electromagnet 20 adsorbs the automobile sheet metal, closes the second electric push rod 22, and the adsorption frame 21 drives the automobile sheet metal to lift, and then opens a set of lateral moving mechanisms 4, and the lateral moving mechanism 4 drives a set of connecting arms 24 moves, and the connecting arm 24 drives a group of rotating boxes 23, linkage shaft 25, second electric push rod 22, adsorption rack 21, electromagnet 20 and automobile sheet metal parts to move. After the automobile sheet metal parts are moved to the test bench 6, the group of lateral moving mechanisms 4 drives the group of electromagnets 20 to reset, and the hydraulic rod 8 drives the pressing plate 11 to move downward, and the pressing plate 11 drives the pressing block 10 to move downward, and the pressing block 10 is used to stamp the automobile sheet metal parts, wherein the pressure of the hydraulic rod 8 is a fixed value. Through manual observation, if the dents on the surface of the tested sheet metal parts are relatively large, the pressure of the hydraulic rod 8 is relatively large. The automobile sheet metal parts are not qualified for welding strength. The automobile sheet metal parts that have passed the test are moved and placed in the placement box 7 by another set of lateral moving mechanisms 4 and another set of electromagnets 20 to collect the automobile sheet metal parts. When the test position of the automobile sheet metal parts needs to be adjusted, the stepper motor 27 drives the worm 26 to rotate, the worm 26 drives the worm wheel 18 to rotate, the worm wheel 18 drives the linkage shaft 25 to rotate, and the linkage shaft 25 drives the automobile sheet metal parts to rotate. Then, the above operation is repeated to rotate the adjusted automobile sheet metal parts. After moving to the position of the test bench 6, the test is completed. When it is necessary to adjust the test angle of the pressure block 10, the servo motor 13 drives the transmission gear 14 to rotate, the transmission gear 14 drives the driven gear 15 to rotate, the driven gear 15 drives the transmission shaft 16 to rotate, the transmission shaft 16 drives the rotating plate 2 to rotate, and the rotating plate 2 drives the hydraulic rod 8, the pressure plate 11 and the pressure block 10 to rotate to adjust the test angle of the pressure block 10, so as to facilitate the multi-directional testing of the automobile sheet metal parts and complete the use of the automobile sheet metal parts welding strength testing device.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A device for testing the welding strength of automobile sheet metal parts, comprising an integrated frame (1) and a support plate (5), characterized in that: A support plate (5) is installed inside the integrated frame (1), a test bench (6) is installed inside the integrated frame (1) on one side of the support plate (5), a placement box (7) is installed inside the integrated frame (1) on one side of the test bench (6), and a lateral movement mechanism (4) is installed inside the integrated frames (1) on both sides of the test bench (6). Two groups of support arms (3) are installed at the top of the integrated frame (1), and a drive box (12) is installed on the side wall of one group of support arms (3). A servo motor (13) is installed on the inner wall of the drive box (12), and a transmission gear (14) is installed at the output end of the servo motor (13). A transmission shaft (16) is movably installed inside the support arm (3) below the transmission gear (14), a driven gear (15) is mounted on the surface of the transmission shaft (16), and the transmission gear (14) and the driven gear (15) are meshed with each other, and a driven shaft (9) is movably installed at the center position of another group of support arms (3), a rotating plate (2) is installed at one end of the driven shaft (9), and the rotating plate (2) is connected to the transmission shaft (16), a hydraulic rod (8) is installed inside the rotating plate (2), a pressure plate (11) is installed at the output end of the hydraulic rod (8), and a pressure block (10) is installed at the bottom end of the pressure plate (11).

2. The device for testing the welding strength of automobile sheet metal parts according to claim 1, characterized in that: A cylinder (19) is installed at the bottom end of the support plate (5), a feed plate (17) is installed at the output end of the cylinder (19), and the feed plate (17) is slidably connected to the support plate (5).

3. The device for testing the welding strength of automobile sheet metal parts according to claim 1, characterized in that: The output ends of the lateral moving mechanisms (4) are all equipped with connecting arms (24), and the side walls of the connecting arms (24) are all equipped with rotating boxes (23).

4. The device for testing the welding strength of automobile sheet metal parts according to claim 3, characterized in that: A stepper motor (27) is installed on the inner wall of the rotating box (23), a worm (26) is installed on the output end of the stepper motor (27), and the worm (26) is movably connected to the rotating box (23).

5. The device for testing the welding strength of automobile sheet metal parts according to claim 4, characterized in that: A linkage shaft (25) is movably mounted inside the rotating box (23) on one side of the worm (26), a worm wheel (18) is mounted on the surface of the linkage shaft (25), and the worm (26) and the worm wheel (18) are meshed with each other.

6. The device for testing the welding strength of automobile sheet metal parts according to claim 5, characterized in that: A second electric push rod (22) is installed at the bottom end of the linkage shaft (25), and the second electric push rod (22) is fixedly connected to the linkage shaft (25).

7. The device for testing the welding strength of automobile sheet metal parts according to claim 6, characterized in that: The output end of the second electric push rod (22) is equipped with an adsorption frame (21), and the adsorption frame (21) is fixedly connected to the output end of the second electric push rod (22).

8. The device for testing the welding strength of automobile sheet metal parts according to claim 7, characterized in that: Two groups of electromagnets (20) are installed at the bottom end of the adsorption frame (21), and the electromagnets (20) are fixedly connected to the adsorption frame (21).

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