Adjustable tool clamp for welding automobile parts

Abstract

The adjustable tool clamp comprises a mounting base and an electric telescopic rod, supporting legs are welded to the four corners of the bottom of the mounting base, a driving motor is mounted in the center of the bottom of the mounting base, and an output shaft of the driving motor is connected with a rotating plate; t-shaped guide rails are fixed to the top of the rotating plate and the top of the mounting base correspondingly, C-shaped sliding blocks are slidably connected to the outer walls of the tops of the T-shaped guide rails in an inserted mode, a servo air cylinder is connected to one side of each C-shaped sliding block, supporting frames are welded to the outer walls of the tops of the C-shaped sliding blocks, and a fixing base is arranged between the two supporting frames. A servo motor is used for driving a second bevel gear to rotate, so that an adjusting lead screw can be driven to rotate in a meshed mode, synchronous position adjustment of four rectangular clamping plates on the top can be achieved, automobile parts of different models can be rapidly clamped and fixed, and in the clamping process, a compression spring is matched, and the clamping efficiency is improved. And damage to the automobile parts caused by too large clamping force can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of automobile parts processing, in particular to an adjustable tooling fixture for welding automobile parts. Background Art

[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger. In the process of processing auto parts, auto parts often need to be welded. In the process of welding, in order to improve the welding accuracy, it is necessary to use external fixtures to fix the auto parts. However, there are some problems in the clamping process of existing fixtures:

[0003] 1. The existing fixtures cannot quickly adapt to different models of auto parts when clamping and fixing them. It is also necessary to manually adjust the clamping fixture and replace the corresponding clamping parts to clamp different models of auto parts, which reduces the overall processing efficiency. In addition, the clamping force is very likely to be too large during the clamping process, resulting in damage to the auto parts.

[0004] 2. When the tooling fixture is used to clamp and fix the automotive parts, the welding process requires constant position adjustment, but the existing fixtures have poor gas adjustability and cannot be adjusted at multiple angles and heights, thus failing to effectively meet the use range of the existing fixtures. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an adjustable fixture for welding automobile parts.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An adjustable fixture for welding automobile parts, comprising a mounting base and an electric telescopic rod, wherein the four corners of the bottom of the mounting base are welded with support legs, and a driving motor is installed at the bottom center of the mounting base, the output shaft of the driving motor is connected with a rotating plate, and the tops of the rotating plate and the mounting base are fixed with T-shaped guide rails, the top outer wall of the T-shaped guide rail is slidably plugged with a C-shaped slider, and one side of the C-shaped slider is connected with a servo cylinder, the top outer wall of the C-shaped slider is welded with a support frame, and a fixing seat is arranged between the two support frames;

[0008] A rectangular support plate is welded to the top outer wall of the fixed seat, and guide grooves are opened all around the top of the rectangular support plate, a limiting groove is penetrated through the bottom inner wall of the guide groove, and a guide block is slidably inserted into the inner wall of the guide groove, a rectangular splint is welded to the top outer wall of the guide block, and a positioning hole is penetrated through the outer wall of the rectangular splint, a positioning guide rod is slidably inserted into the inner wall of the positioning hole, and a compression spring is sleeved on the outer wall of the positioning guide rod.

[0009] As a further solution of the present invention: an arc-shaped slide groove is opened on the top of the mounting base with the driving motor as the axis, and a pulley is welded to the outer wall of the bottom of the rotating plate, and the arc-shaped slide groove and the pulley form a rolling fit.

[0010] As a further solution of the present invention: a sliding block is slidably inserted into the top of the support frame, and an electric telescopic rod is fixed to the bottom outer wall of the sliding block by screws, and a fixing seat is welded between the two sliding blocks.

[0011] As a further solution of the present invention: a rectangular clamping block is welded to the outer wall of the positioning guide rod, and an anti-skid pad is bonded to the outer wall of the rectangular clamping block, and an anti-skid thread is arranged on the outer wall of the anti-skid pad.

[0012] As a further solution of the present invention: a limiting block is slidably inserted into the inner wall of the limiting groove, and an adjusting screw is threadedly connected to the axis of the limiting block, and a first bevel gear is welded to the outer wall of the end of the adjusting screw.

[0013] As a further solution of the present invention: a second bevel gear is meshed at the bottom of the first bevel gear, and a servo motor is connected to the axis of the second bevel gear.

[0014] As a further solution of the present invention: the driving motor, the servo cylinder, the electric telescopic rod and the servo motor are all connected to the PLC controller via signal lines, and the PLC controller is connected to an external power supply via wires.

[0015] Compared with the prior art, the present invention provides an adjustable fixture for welding automobile parts, which has the following beneficial effects:

[0016] 1. The adjustable fixture of this design uses a servo motor to drive the second bevel gear to rotate, so that it can engage and drive the adjusting screw to rotate, and the four rectangular clamps on the top can be adjusted synchronously, so that different types of auto parts can be quickly clamped and fixed. In addition, the compression spring is used during the clamping process to avoid damage to the auto parts caused by excessive clamping force.

[0017] 2. The adjustable tooling fixture designed in this invention can quickly adjust the height of two clamped auto parts when clamping and fixing auto parts, and can quickly adjust the distance and angle between the two auto parts, so as to meet the welding requirements of different auto parts and improve the flexibility of the fixture during use.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of an adjustable fixture for welding automobile parts proposed by the present invention;

[0020] Figure 2 This is a side view of the overall structure of an adjustable fixture for welding automobile parts proposed by the present invention;

[0021] Figure 3 This is a schematic structural diagram from a first perspective of an adjustable fixture for welding automobile parts proposed by the present invention;

[0022] Figure 4 The present invention is a partial structural schematic diagram of an adjustable fixture for welding automobile parts.

[0023] In the figure: 1. Mounting base; 2. Support leg; 3. Drive motor; 4. Rotating plate; 5. T-type guide rail; 6. C-type slider; 7. Servo cylinder; 8. Support frame; 9. Sliding block; 10. Electric telescopic rod; 11. Fixed seat; 12. Rectangular support plate; 13. Guide groove; 14. Limit groove; 15. Guide block; 16. Limit block; 17. Adjusting screw; 18. First bevel gear; 19. Second bevel gear; 20. Servo motor; 21. Rectangular clamping plate; 22. Positioning hole; 23. Positioning guide rod; 24. Rectangular clamping block; 25. Compression spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Embodiment 1:

[0026] An adjustable fixture for welding automobile parts, in this embodiment, as Figure 1-4As shown, it includes a mounting base 1 and an electric telescopic rod 10, the four corners of the bottom of the mounting base 1 are welded with support legs 2, and a driving motor 3 is installed at the bottom center of the mounting base 1, the output shaft of the driving motor 3 is connected to a rotating plate 4, and the rotating plate 4 and the top of the mounting base 1 are fixed with T-shaped guide rails 5, the top of the mounting base 1 is opened with an arc-shaped slide groove with the driving motor 3 as the axis, and a pulley is welded on the outer wall of the bottom of the rotating plate 4, and the arc-shaped slide groove and the pulley form a rolling fit;

[0027] A C-shaped slider 6 is slidably inserted into the top outer wall of the T-shaped guide rail 5, and a servo cylinder 7 is connected to one side of the C-shaped slider 6. A support frame 8 is welded to the top outer wall of the C-shaped slider 6, and a fixing seat 11 is provided between the two support frames 8;

[0028] A sliding block 9 is slidably inserted into the top of the support frame 8, and an electric telescopic rod 10 is fixed to the bottom outer wall of the sliding block 9 by screws, a fixing seat 11 is welded between the two sliding blocks 9, a limiting block 16 is slidably inserted into the inner wall of the limiting groove 14, and an adjusting screw 17 is screwed at the axis of the limiting block 16, and a first bevel gear 18 is welded to the outer wall of the end of the adjusting screw 17;

[0029] The servo motor 20 is used to drive the second bevel gear 19 to rotate, so that the adjusting screw rod 17 can be meshed and driven to rotate, so that the four rectangular clamping plates 21 on the top can be adjusted synchronously, and different types of auto parts can be quickly clamped and fixed. In addition, the compression spring 25 is used in the clamping process to avoid damage to the auto parts caused by excessive clamping force.

[0030] A rectangular support plate 12 is welded to the top outer wall of the fixing seat 11, and guide grooves 13 are opened all around the top of the rectangular support plate 12. A limiting groove 14 is penetrated through the bottom inner wall of the guide groove 13, and a guide block 15 is slidably inserted into the inner wall of the guide groove 13. A rectangular clamping plate 21 is welded to the top outer wall of the guide block 15, and a positioning hole 22 is penetrated through the outer wall of the rectangular clamping plate 21. A positioning guide rod 23 is slidably inserted into the inner wall of the positioning hole 22, and a compression spring 25 is sleeved on the outer wall of the positioning guide rod 23.

[0031] When this embodiment is used, the fixture is first placed at the site where it is needed, and then connected to an external power supply for a trial run. After the trial run is normal, the four rectangular clamps 21 are first moved to the farthest distance, and then the auto parts that need to be welded are placed on the top of the rectangular support plate 12, and then the servo motor 20 is started. The servo motor 20 drives the second bevel gear 19 to rotate, thereby driving the first bevel gear 18 to rotate, and the four rectangular clamps 21 can be driven to approach each other, so as to clamp the auto parts. During the clamping process, the compression spring 25 can prevent the auto parts from being damaged due to excessive clamping force. After the two auto parts are clamped and fixed, the electric telescopic rod 10 is used to adjust the height of the auto parts, and the drive motor 3 can drive the auto parts to achieve angle rotation processing, thereby improving the convenience of welding auto parts.

[0032] Embodiment 2:

[0033] An adjustable fixture for welding automobile parts, such as Figure 1-4 As shown, this embodiment makes the following supplements on the basis of Embodiment 1: a second bevel gear 19 is meshed at the bottom of the first bevel gear 18, and a servo motor 20 is connected to the axis of the second bevel gear 19, the drive motor 3, the servo cylinder 7, the electric telescopic rod 10 and the servo motor 20 are all connected to the PLC controller through signal lines, and the PLC controller is connected to an external power supply through a wire, a rectangular clamping block 24 is welded to the outer wall of the positioning guide rod 23, and an anti-skid pad is bonded to the outer wall of the rectangular clamping block 24, and the outer wall of the anti-skid pad is provided with an anti-skid thread;

[0034] When this embodiment is used, when clamping and fixing the automobile accessories, the height of the two clamped and fixed automobile accessories can be quickly adjusted, and the distance and angle between the two automobile accessories can be quickly adjusted, thereby meeting the welding requirements of different automobile accessories and improving the flexibility of the clamp during use.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable fixture for welding automobile parts, comprising a mounting base (1) and an electric telescopic rod (10), characterized in that: Support legs (2) are welded to the four corners of the bottom of the mounting base (1), and a driving motor (3) is installed at the center of the bottom of the mounting base (1), the output shaft of the driving motor (3) is connected to a rotating plate (4), and the tops of the rotating plate (4) and the mounting base (1) are fixed with T-shaped guide rails (5), the top outer wall of the T-shaped guide rail (5) is slidably plugged with a C-shaped slider (6), and one side of the C-shaped slider (6) is connected to a servo cylinder (7), the top outer wall of the C-shaped slider (6) is welded with a supporting frame (8), and a fixing seat (11) is provided between the two supporting frames (8); A rectangular support plate (12) is welded to the top outer wall of the fixing seat (11), and guide grooves (13) are provided around the top of the rectangular support plate (12), a limiting groove (14) is penetrated through the bottom inner wall of the guide groove (13), and a guide block (15) is slidably inserted into the inner wall of the guide groove (13), a rectangular clamping plate (21) is welded to the top outer wall of the guide block (15), and a positioning hole (22) is penetrated through the outer wall of the rectangular clamping plate (21), a positioning guide rod (23) is slidably inserted into the inner wall of the positioning hole (22), and a compression spring (25) is sleeved on the outer wall of the positioning guide rod (23).

2. The adjustable fixture for welding automobile parts according to claim 1, characterized in that: The top of the mounting base (1) is provided with an arc-shaped slide groove with the drive motor (3) as the axis, and a pulley is welded to the outer wall of the bottom of the rotating plate (4), and the arc-shaped slide groove and the pulley form a rolling fit.

3. The adjustable fixture for welding automobile parts according to claim 1, characterized in that: A sliding block (9) is slidably inserted into the top of the support frame (8), and an electric telescopic rod (10) is fixed to the bottom outer wall of the sliding block (9) by screws, and a fixing seat (11) is welded between the two sliding blocks (9).

4. The adjustable fixture for welding automobile parts according to claim 1, characterized in that: A rectangular clamping block (24) is welded to the outer wall of the positioning guide rod (23), and an anti-skid pad is bonded to the outer wall of the rectangular clamping block (24), and an anti-skid thread is arranged on the outer wall of the anti-skid pad.

5. The adjustable fixture for welding automobile parts according to claim 1, characterized in that: A limiting block (16) is slidably inserted into the inner wall of the limiting groove (14), and an adjusting screw rod (17) is threadedly connected to the axis of the limiting block (16), and a first bevel gear (18) is welded to the outer wall of the end of the adjusting screw rod (17).

6. The adjustable fixture for welding automobile parts according to claim 5, characterized in that: A second bevel gear (19) is meshed at the bottom of the first bevel gear (18), and a servo motor (20) is connected to the axis of the second bevel gear (19).

7. The adjustable fixture for welding automobile parts according to claim 6, characterized in that: The driving motor (3), the servo cylinder (7), the electric telescopic rod (10) and the servo motor (20) are all connected to a PLC controller via signal lines, and the PLC controller is connected to an external power source via wires.

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