Welding gun adjusting equipment

Abstract

The utility model relates to welding gun adjusting equipment which comprises a welding gun, the top of the welding gun is fixedly connected with a bottom plate, the bottom of the bottom plate is provided with two vertical plates which are symmetrically arranged relative to the welding gun, the bottoms of the vertical plates are rotatably connected with a plurality of pulleys, a top plate is arranged above the bottom plate, and the top of the bottom plate is slidably connected with the bottom of the top plate. A pressure sensor is arranged at the bottom of the top plate, a touch head corresponding to the pressure sensor is arranged at the top of the bottom plate, a lifting mechanism for driving the top plate to lift is arranged on the side face of the top plate, and a controller is connected between the pressure sensor and the lifting mechanism; the distance between the muzzle of the welding gun and the plate does not need to be estimated in a manual visual inspection mode, the working intensity of workers is reduced, it can be guaranteed that the error of the distance between the muzzle of the welding gun and the plate is within the allowable range, and the welding effect is prevented from being reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding guns, in particular to a welding gun adjusting device. Background Art

[0002] When splicing plates, a splicing machine is usually used to weld the two butted plates. At present, when welding plates of different thicknesses, the welding gun of the existing splicing machine often estimates the distance between the nozzle of the welding gun and the plate by manual visual inspection to adjust the distance between the welding gun and the plate. This not only increases the workload of workers, but may also cause the distance error to exceed the allowable range, thereby reducing the welding effect. Utility Model Content

[0003] The purpose of the utility model is to design a welding gun adjustment device so as to solve the problems mentioned in the background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A welding gun adjustment device includes a welding gun, wherein the top of the welding gun is fixedly connected to a base plate, the bottom of the base plate is provided with two vertical plates symmetrically arranged about the welding gun, the bottom of the vertical plates is rotatably connected to a plurality of pulleys, a top plate is provided above the base plate, the top of the base plate is slidably connected to the bottom of the top plate, the bottom of the top plate is provided with a pressure sensor, the top of the base plate is provided with a touch head corresponding to the pressure sensor, the side of the top plate is provided with a lifting mechanism for driving the top plate to rise and fall, and a controller is connected between the pressure sensor and the lifting mechanism.

[0006] Furthermore, the top plate is provided with two symmetrically arranged sliding holes, the top of the bottom plate is fixedly connected with a sliding rod that slidably cooperates with the sliding holes, and the end of the sliding rod away from the bottom plate is provided with a limiting plate.

[0007] Furthermore, the lifting mechanism is connected to a linear mechanism for driving the lifting mechanism to perform linear motion along a horizontal plane, and the linear mechanism and the lifting mechanism have the same structure.

[0008] Furthermore, the lifting mechanism includes a connecting plate, two support plates are fixedly connected to the side of the connecting plate, a screw is rotatably connected between the two support plates, one end of the screw passes through one of the support plates and is connected to a motor, the side of the connecting plate is slidably connected to a support block, the support block is provided with a threaded hole threadedly connected to the screw, and the side of the top plate is fixedly connected to the support block.

[0009] Furthermore, a sliding groove is provided on the side of the connecting plate, and a sliding block is provided on the side of the supporting block to slide in cooperation with the sliding groove.

[0010] Furthermore, a workbench is provided below the welding gun, a bracket is fixedly connected to the top of the workbench, and the linear mechanism is fixed on the bracket.

[0011] Furthermore, two pressing plate mechanisms are arranged opposite to each other on the top of the workbench.

[0012] Furthermore, the pressure plate mechanism includes a cylinder and a fixed plate fixedly connected to the output end of the cylinder, the top of the workbench is fixedly connected to a side plate, the top of the side plate is fixedly connected to a horizontal plate, the cylinder is fixed to the bottom of the horizontal plate, and two pressure plates are fixedly connected to the side of the fixed plate close to the welding gun, and the two pressure plates are symmetrically arranged about the welding gun.

[0013] Furthermore, two limiting rods symmetrically arranged with respect to the cylinder are fixedly connected between the transverse plate and the workbench, and limiting holes slidably matched with the limiting rods are provided on the fixed plate.

[0014] Furthermore, a rubber pad is provided at the bottom of the pressing plate.

[0015] The beneficial effects of the utility model are:

[0016] The top plate is driven down by the lifting mechanism, thereby driving down the bottom plate. When the pulley at the bottom of the vertical plate contacts the upper surface of the plate, the bottom plate stops descending. As the top plate continues to descend, the touch head at the top of the bottom plate contacts the pressure sensor. The pressure sensor feeds back a signal to the controller, and the controller controls the lifting mechanism to stop. There is no need to estimate the distance between the muzzle of the welding gun and the plate by manual visual inspection, which not only reduces the work intensity of the workers, but also ensures that the distance error between the muzzle of the welding gun and the plate is within the allowable range, thereby avoiding reducing the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model after the pressing plate mechanism, linear mechanism and workbench are hidden;

[0020] Figure 3 for Figure 2 Partial exploded view;

[0021] Figure 4 This is a partial exploded view of the medium pressure plate mechanism of the utility model.

[0022] The names of the components marked in the figure are as follows:

[0023] 1. Welding gun; 2. Bottom plate; 3. Vertical plate; 4. Pulley; 5. Top plate; 6. Pressure sensor; 7. Touch head; 8. Lifting mechanism; 9. Slide hole; 10. Slide rod; 11. Limit plate; 12. Linear mechanism; 13. Connecting plate; 14. Support plate; 15. Screw; 16. Motor; 17. Support block; 18. Slide groove; 19. Slider; 20. Workbench; 21. Bracket; 22. Cylinder; 23. Fixed plate; 24. Side plate; 25. Horizontal plate; 26. Press plate; 27. Limit rod; 28. Limit hole; 29. ​​Rubber pad. DETAILED DESCRIPTION

[0024] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0025] like Figure 1-4 As shown, a welding gun adjustment device includes a welding gun 1, the top of the welding gun 1 is fixedly connected to a bottom plate 2, the bottom of the bottom plate 2 is provided with two vertical plates 3 symmetrically arranged about the welding gun 1, the bottom of the vertical plates 3 are rotatably connected to a number of pulleys 4, and the distance error between the muzzle of the welding gun 1 and the bottom of the pulley 4 is within an allowable range, so that after the bottom of the pulley 4 contacts the upper surface of the plate, the distance error between the muzzle of the welding gun 1 and the plate is within an allowable range, and there is no need to estimate the distance between the muzzle of the welding gun 1 and the plate by manual visual inspection; a top plate 5 is provided above the bottom plate 2, the top of the bottom plate 2 is slidably connected to the bottom of the top plate 5, and two sliding holes 9 symmetrically arranged are provided on the top plate 5, and the top of the bottom plate 2 is fixed A sliding rod 10 is fixedly connected and slides with the sliding hole 9. The sliding holes 9 cooperate with each other to realize the sliding connection between the top of the bottom plate 2 and the bottom of the top plate 5. A limit plate 11 is provided at the end of the sliding rod 10 away from the bottom plate 2, which is used to prevent the sliding rod 10 from completely leaving the sliding hole 9. A pressure sensor 6 is provided at the bottom of the top plate 5, and a touch head 7 corresponding to the pressure sensor 6 is provided at the top of the bottom plate 2. A lifting mechanism 8 for driving the top plate 5 to rise and fall is provided on the side of the top plate 5. A controller is connected between the pressure sensor 6 and the lifting mechanism 8. After the touch head 7 touches the pressure sensor 6, the pressure sensor 6 will feed back a signal to the controller, and the controller will control the lifting mechanism 8 to stop running.

[0026] The lifting mechanism 8 is connected to a linear mechanism 12 for driving the lifting mechanism 8 to move linearly along the horizontal plane. The linear mechanism 12 has the same structure as the lifting mechanism 8. The lifting mechanism 8 includes a connecting plate 13. Two support plates 14 are fixedly connected to the side of the connecting plate 13. A screw 15 is rotatably connected between the two support plates 14. One end of the screw 15 passes through one of the support plates 14 and is connected to a motor 16. A slide groove 18 is provided on the side of the connecting plate 13. A slider 19 is slidably fitted in the slide groove 18. A support block 17 is fixedly connected to the slider 19. The support block 17 is provided with a The screw 15 is threadedly connected to the threaded hole, and the side of the top plate 5 is fixedly connected to the support block 17 of the lifting mechanism 8. The motor 16 drives the screw 15 to rotate, and then drives the support block 17 to slide along the slide groove 18, and drives the top plate 5 to rise or fall through the support block 17 of the lifting mechanism 8; the motor 16 of the lifting mechanism 8 is connected to the controller, and the connecting plate 13 of the lifting mechanism 8 is fixedly connected to the support block 17 of the linear mechanism 12. The motor 16 of the linear mechanism 17 is connected to the controller, and drives the lifting mechanism 8 to perform linear motion in the horizontal plane through the support block 17 of the linear mechanism 12;

[0027] A workbench 20 is provided below the welding gun 1. A bracket 21 is fixedly connected to the top of the workbench 20. The linear mechanism 12 is fixed to the bracket 21. Two pressure plate mechanisms are provided on the top of the workbench 20. The pressure plate mechanism includes a cylinder 22 and a fixed plate 23 fixedly connected to the output end of the cylinder 22. A side plate 24 is fixedly connected to the top of the workbench 20. A cross plate 25 is fixedly connected to the top of the side plate 24. The cylinder 22 is fixed to the bottom of the cross plate 25. The fixed plate 23 is driven up or down by the cylinder 22. Two pressure plates 26 are fixedly connected to the side of the fixed plate 23 close to the welding gun 1. The two pressure plates 26 The welding gun 1 is symmetrically arranged, and the two butted plates are respectively pressed by two pressing plates 26 to prevent the plates from being displaced during the welding process and affecting the welding effect; two limit rods 27 symmetrically arranged about the cylinder 22 are fixedly connected between the cross plate 25 and the workbench 20, and a limit hole 28 slidingly matched with the limit rod 27 is provided on the fixed plate 23. The limit rod 27 improves the stability of the descent of the fixed plate 23, prevents the fixed plate 23 from being displaced along the horizontal plane during the descent, and prevents the pressure plate 26 from being displaced and driving the plate to move; a rubber pad 29 is provided at the bottom of the pressure plate 26 to increase the friction effect.

[0028] Working principle:

[0029] like Figure 1-4 As shown, when the welding gun adjustment device is used, two plates to be welded are placed on the surface of the workbench 20, and the butt joint of the two plates is aligned with the muzzle of the welding gun 1. Then, the cylinder 22 of the pressing plate mechanism is activated, and the cylinder 22 drives the fixed plate 23 to descend. The fixed plate 23 drives the two pressing plates 26 to press the two butt joint plates respectively;

[0030] After the plates are pressed, the motor 16 of the lifting mechanism 8 is started, the motor 16 drives the screw 15 to rotate, and then drives the support block 17 to slide along the sliding groove 18, the support block 17 of the lifting mechanism 8 drives the top plate 5 to descend, thereby driving the bottom plate 2 to descend, after the pulley 4 at the bottom of the vertical plate 3 contacts the upper surface of the plate, the bottom plate 2 will stop descending, with the top plate 5 continuing to descend, the touch head 7 at the top of the bottom plate will contact the pressure sensor 6 at the bottom of the top plate 5, the pressure sensor 6 will feed back the signal to the controller, the controller will control the motor 16 of the lifting mechanism to stop working, then the controller will control the motor 16 of the linear mechanism 12 to start, the linear mechanism 12 will drive the lifting mechanism 8 to move linearly along the direction of the butt joint of the two plates, and the welding gun 1 will weld the two plates.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any equivalent embodiments with equivalent changes are still within the scope of the present application.

Claims

1. A welding gun adjustment device, comprising a welding gun (1), characterized in that The top of the welding gun (1) is fixedly connected to a bottom plate (2), the bottom of the bottom plate (2) is provided with two vertical plates (3) symmetrically arranged about the welding gun (1), the bottom of the vertical plates (3) is rotatably connected to a plurality of pulleys (4), a top plate (5) is provided above the bottom plate (2), the top of the bottom plate (2) is slidably connected to the bottom of the top plate (5), a pressure sensor (6) is provided at the bottom of the top plate (5), a touch head (7) corresponding to the pressure sensor (6) is provided at the top of the bottom plate (2), a lifting mechanism (8) for driving the top plate (5) to rise and fall is provided on the side of the top plate (5), and a controller is connected between the pressure sensor (6) and the lifting mechanism (8).

2. The welding gun adjustment device according to claim 1, characterized in that Two symmetrically arranged sliding holes (9) are provided on the top plate (5); a sliding rod (10) that slides in cooperation with the sliding holes (9) is fixedly connected to the top of the bottom plate (2); and a limiting plate (11) is provided at one end of the sliding rod (10) away from the bottom plate (2).

3. The welding gun adjustment device according to claim 1, characterized in that The lifting mechanism (8) is connected to a linear mechanism (12) for driving the lifting mechanism (8) to perform linear motion along a horizontal plane. The linear mechanism (12) and the lifting mechanism (8) have the same structure.

4. The welding gun adjustment device according to claim 3, characterized in that The lifting mechanism (8) comprises a connecting plate (13), two supporting plates (14) are fixedly connected to the side of the connecting plate (13), a screw rod (15) is rotatably connected between the two supporting plates (14), one end of the screw rod (15) passes through one of the supporting plates (14) and is connected to a motor (16), a supporting block (17) is slidably connected to the side of the connecting plate (13), a threaded hole is provided on the supporting block (17) for threaded connection with the screw rod (15), and the side of the top plate (5) is fixedly connected to the supporting block (17).

5. The welding gun adjustment device according to claim 4, characterized in that A sliding groove (18) is provided on the side of the connecting plate (13), and a sliding block (19) which is slidably matched with the sliding groove (18) is provided on the side of the supporting block (17).

6. The welding gun adjustment device according to claim 3, characterized in that A workbench (20) is provided below the welding gun (1), a bracket (21) is fixedly connected to the top of the workbench (20), and a linear mechanism (12) is fixed on the bracket (21).

7. The welding gun adjustment device according to claim 6, characterized in that Two pressing plate mechanisms are arranged opposite to each other on the top of the workbench (20).

8. The welding gun adjustment device according to claim 7, characterized in that The pressure plate mechanism comprises a cylinder (22) and a fixed plate (23) fixedly connected to the output end of the cylinder (22); a side plate (24) is fixedly connected to the top of the workbench (20); a transverse plate (25) is fixedly connected to the top of the side plate (24); the cylinder (22) is fixed to the bottom of the transverse plate (25); and two pressure plates (26) are fixedly connected to the side of the fixed plate (23) close to the welding gun (1); the two pressure plates (26) are symmetrically arranged with respect to the welding gun (1).

9. The welding gun adjustment device according to claim 8, characterized in that Two limiting rods (27) symmetrically arranged about the cylinder (22) are fixedly connected between the transverse plate (25) and the workbench (20); a limiting hole (28) slidingly matched with the limiting rod (27) is provided on the fixed plate (23).

10. The welding gun adjustment device according to claim 8, characterized in that The bottom of the pressing plate (26) is provided with a rubber pad (29).

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