Clamp for vehicle body welding part

Abstract

The utility model discloses a clamp for a vehicle body welding part, which comprises a clamp seat with a circular structure, and the bottom of the clamp seat is connected with an overturning seat through a slewing bearing; the two ends of the overturning base are fixedly connected with the driving box and the driven box, the opposite outer sides of the driving box and the driven box are fixedly connected with the sliding blocks respectively, and the sliding blocks are in sliding connection with the linear sliding rails. The linear sliding rails are fixedly connected to the opposite inner sides of the two longitudinal beams arranged side by side in the vertical direction, lead screws arranged in the vertical direction are installed in the longitudinal beams respectively, and the lead screws are fixedly connected with the driving box and the driven box through nuts. According to the clamp for the vehicle body welding part, the height, the front-back angle and the left-right angle of the clamp can be flexibly adjusted according to needs, the welding quality is ensured, and the welding work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of clamps for vehicle body welding parts, belong to welding fixture technical field. BACKGROUND

[0002] The vehicle body parts need to be welded during processing or maintenance, and clamps are needed during welding. The clamp can quickly and accurately position and fix the workpiece at the predetermined position, ensuring the stability and accuracy during welding. Through the fixation of the clamp, the quality of the welded joint can be ensured, and welding deformation and dimensional deviation can be avoided.

[0003] However, the existing welding clamp has single function, poor adjustability of the height, front and rear angle and left and right angle of the clamp, and is very inconvenient to use, which not only affects the welding quality, but also reduces the welding efficiency.

[0004] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of clamp for vehicle body welding parts according to the deficiency in the background art, can flexibly adjust the height, front and rear angle and left and right angle of the clamp as required, ensure welding quality, improve the working efficiency of welding.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The clamp for vehicle body welding parts includes a clamp seat of circular structure, the bottom of the clamp seat is connected with a turnover seat through a rotary support; the two ends of the turnover seat are fixedly connected with a driving box and a driven box, the opposite outer sides of the driving box and the driven box are respectively connected with a sliding block, and the sliding block is connected with a linear slide rail in sliding mode; the linear slide rail is fixed to the opposite inner sides of two longitudinal beams arranged side by side in the vertical direction, and the longitudinal beams are respectively provided with lead screws arranged in the vertical direction, and the lead screws are connected with the driving box and the driven box through nuts.

[0008] Further, a plurality of clamping cylinders for positioning the workpiece are installed on the clamp seat.

[0009] Further, the turnover seat is composed of a middle cross plate and two end side plates, the cross plate is of rectangular structure, and the side plates are of circular structure.

[0010] Further, a rotary motor is fixedly installed at the bottom of the cross plate, and the output shaft of the rotary motor is connected with the bottom of the clamp seat through a rotary support.

[0011] Further, the driving box and the driven box are respectively fixed to the opposite outer sides of the two side plates.

[0012] Further, the drive box is internally provided with a motor for driving the front and back overturning of the overturning seat, and the driven box is rotationally connected with the overturning seat.

[0013] Further, the longitudinal beam is fixedly connected with the top of the support frame in the vertical direction.

[0014] Further, the bottom end of the lead screw is connected with the motor, and the motor is fixedly connected with the bottom of the support frame.

[0015] The above technical scheme is adopted in the utility model, and compared with the prior art, has the following advantages:

[0016] The motor drives the lead screw to rotate, drives the drive box and the driven box to perform the lifting action, and further adjusts the height of the clamp seat and the workpiece, so that the welding head and the workpiece are in the optimal working distance, and welding quality defects caused by height errors are avoided; the rotary motor drives the clamp seat and the workpiece to rotate along the rotary support, so that the left and right angles of the workpiece are adjusted; the drive box adjusts the front and back overturning angles of the clamp seat and the workpiece through the overturning seat, so that the front and back angles of the workpiece are adjusted.

[0017] The utility model can flexibly adjust the height, front and back angles and left and right angles of the clamp according to needs, ensures welding quality, and improves the working efficiency of welding.

[0018] The utility model will be described in detail below in combination with the drawings and embodiments. DRAWINGS

[0019] Fig. 1 is the structural schematic view of the utility model;

[0020] Fig. 2 is the structural plan view of the clamp seat;

[0021] Fig. 3 is the structural schematic view of the overturning seat.

[0022] In the drawing, 1 is a clamp seat, 2 is a clamping cylinder, 3 is a rotary support, 4 is an overturning seat, 401 is a cross plate, 402 is a side plate, 5 is a rotary motor, 6 is a drive box, 7 is a driven box, 8 is a longitudinal beam, 9 is a sliding block, 10 is a linear slide rail, 11 is a motor, and 12 is a support frame. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described in combination with the drawings.

[0024] For example, Figs. 1-3The utility model provides a kind of clamp for vehicle body welding piece, including the clamp seat 1 of circular structure, a plurality of clamping cylinders 2 for positioning workpiece are installed on clamp seat 1, clamp seat 1 bottom is connected with turnover seat 4 by rotary support 3, clamp seat 1 can rotate along rotary support 3 place.

[0025] The turnover seat 4 is composed of the horizontal plate 401 in the middle and the side plate 402 at both ends, the horizontal plate 401 is of rectangular structure, and the side plate 402 is of circular structure. The rotary motor 5 is fixedly installed at the bottom of the horizontal plate 401. The output shaft of the rotary motor 5 penetrates the rotary support 3 and is connected with the bottom of the clamp seat 1. The rotary motor 5 provides power for the rotation of the clamp seat 1.

[0026] The both ends of the turnover seat 4 are fixedly connected with the driving box 6 and the driven box 7. The driving box 6 and the driven box 7 are respectively fixedly connected to the opposite outer sides of the two side plates 402. The driving box 6 is internally provided with a motor for driving the turnover seat 4 to turn over forward and backward. The driven box 7 is rotationally connected with the turnover seat 4 and rotationally supports the turnover seat 4. The driving box 6 drives the turnover seat 4 to turn over forward and backward, thereby adjusting the forward and backward turning angle of the clamp seat 1.

[0027] The opposite outer sides of the driving box 6 and the driven box 7 are respectively fixedly connected with the sliding blocks 9, and the sliding blocks 9 are slidingly connected with the linear sliding rails 10.

[0028] The linear sliding rails 10 are fixedly connected to the opposite inner sides of the two longitudinal beams 8 arranged side by side in the vertical direction. The longitudinal beams 8 are fixedly connected to the top of the support frame 12 in the vertical direction.

[0029] The longitudinal beams 8 are respectively internally provided with lead screws arranged in the vertical direction. The lead screws are connected with the driving box 6 and the driven box 7 through nuts.

[0030] The bottom ends of the lead screws are connected with the motors 11, and the motors 11 are fixedly connected to the bottom of the support frame 12.

[0031] The two motors 11 work synchronously. The motors 11 drive the lead screws to rotate. The lead screws drive the driving box 6 and the driven box 7 to perform lifting actions in the process of rotation, thereby adjusting the height of the clamp seat 1.

[0032] The specific working principle of the utility model is as follows:

[0033] The workpiece to be welded is placed on the fixture seat 1 and positioned and clamped by the clamping cylinder 2. During the welding process, the motor 11 drives the screw rod to rotate, drives the driving box 6 and the driven box 7 to perform lifting action, and then adjusts the height of the fixture seat 1 and the workpiece, so that the welding head and the workpiece are in the optimal working distance, and welding quality defects caused by height errors are avoided; the rotary motor 5 can drive the fixture seat 1 and the workpiece to rotate along the rotary support 3, so as to adjust the left-right angle of the workpiece; the driving box 6 can adjust the front-rear tilting angle of the fixture seat 1 and the workpiece through the tilting seat 4, so as to adjust the front-rear angle of the workpiece.

[0034] The above is an example of the best embodiment of the present application, wherein the parts not described in detail are the common knowledge of those skilled in the art. The protection scope of the present application is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present application is also within the protection scope of the present application.

Claims

1. A fixture for a vehicle body weldment, characterized by: The clamp seat (1) comprising a circular structure, the bottom of the clamp seat (1) is connected with the turnover seat (4) through the rotary support (3); the two ends of the turnover seat (4) are fixedly connected with the driving box (6) and the driven box (7), the opposite outer sides of the driving box (6) and the driven box (7) are fixedly connected with the sliding block (9) respectively, the sliding block (9) is slidably connected with the linear slide rail (10); the linear slide rail (10) is fixedly connected with the opposite inner sides of the two longitudinal beams (8) arranged side by side in the vertical direction, the longitudinal beams (8) are respectively provided with the lead screws arranged in the vertical direction, the lead screws are connected with the driving box (6) and the driven box (7) through the nuts.

2. The fixture for a vehicle body welding member according to claim 1, characterized by: A plurality of clamping cylinders (2) for positioning workpieces are mounted on the clamp seat (1).

3. The fixture for a vehicle body weldment of claim 1, wherein: The turnover seat (4) is composed of the middle cross plate (401) and the two end side plates (402), the cross plate (401) is a rectangular structure, and the side plates (402) are circular structures.

4. The fixture for a vehicle body welding member according to claim 3, characterized in that: The rotary motor (5) is fixedly installed at the bottom of the cross plate (401), and the output shaft of the rotary motor (5) penetrates through the rotary support (3) and is connected with the bottom of the clamp seat (1).

5. The fixture for a vehicle body weldment of claim 3, wherein: The driving box (6) and the driven box (7) are fixedly connected with the opposite outer sides of the two side plates (402).

6. The fixture for a vehicle body weldment of claim 5, wherein: The driving box (6) is provided with a motor for driving the turnover seat (4) to turn back and forth, and the driven box (7) is rotatably connected with the turnover seat (4).

7. The fixture for a vehicle body weldment of claim 1, wherein: The longitudinal beams (8) are fixedly connected with the top of the support frame (12) in the vertical direction.

8. The fixture for a vehicle body weldment of claim 1, wherein: The bottom end of the lead screw is connected with the motor (11), and the motor (11) is fixedly connected with the bottom of the support frame (12).

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