CN222471254U - Welding jig with adjustable height - Google Patents

Abstract

The utility model discloses a height-adjustable welding fixture, which comprises two groups of bases, wherein a bracket is arranged on the bases, a connecting frame is arranged between the two groups of brackets, a fixing device is fixedly connected to the connecting frame, a lifting device is arranged on the bracket, the lifting device comprises a servo motor fixedly arranged at the top of the bracket and a threaded rod fixedly connected with the servo motor and positioned in the center of the bracket, the auxiliary plate is fixedly connected to the side walls of the two sides of the bracket, a sliding groove is formed in the outer wall of one side of the auxiliary plate, which is close to the connecting frame, a connecting plate is connected with the connecting frame, a first sliding block in threaded connection with the threaded rod is arranged at the top of the connecting plate, a sliding way for sliding the first sliding block is arranged on the bracket, a second sliding block in sliding fit with the sliding groove is arranged at the bottom of the connecting plate, and the fixing device of the welding fixture can move up and down by arranging the lifting device, so that the welding fixture can adapt to various sheet metal parts, the utilization rate of the welding fixture is improved, and the assembly precision and the efficiency are improved.

Description

Welding jig with adjustable height

Technical Field

The utility model relates to the field of welding clamps, in particular to a welding clamp with adjustable height.

Background

The welding fixture plays an important role in the production process of the automobile, and four process flows of stamping, welding, coating and final assembly of the automobile are realized, wherein welding is an important link for manufacturing automobile parts and automobile bodies, in order to ensure welding quality, the welding fixture is generally used for positioning and clamping sheet metal parts to be welded so as to avoid unstable welding quality caused by deviation of welding spots due to movement of the sheet metal parts in the welding process, but the existing fixture is fixed on the ground and cannot move up and down, so that the welding efficiency is reduced due to single tradition in use and limited welding of partial workpieces.

Disclosure of utility model

In order to solve the above problems, the present utility model provides a welding fixture with adjustable height, so as to solve the above problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The welding fixture comprises two groups of bases, wherein a bracket is arranged on the bases, a connecting frame is arranged between the two groups of brackets, a fixing device is fixedly connected onto the connecting frame, a lifting device is arranged on the bracket, the lifting device comprises a servo motor fixedly arranged at the top of the bracket and a threaded rod which is in threaded connection with the servo motor and is positioned in the center of the bracket, the auxiliary plate is fixedly connected onto side walls of two sides of the bracket, a sliding groove is formed in one side wall plate of the auxiliary plate, which is close to the connecting frame, the connecting plate is connected with the bracket, the connecting plate is connected with the connecting frame, a first sliding block in threaded connection with the threaded rod is arranged at the top of the connecting plate, a sliding way for the first sliding block to slide is arranged on the bracket, and a second sliding block in sliding fit with the sliding groove is arranged at the bottom of the connecting plate.

Further, fixing device includes two sets of unable adjustment base of fixed connection on the link, sliding connection has mounting fixture on the unable adjustment base, the mounting fixture top has the anchor clamps spout, the mounting fixture bottom has with anchor clamps spout matched with slider, two sets of mounting fixture pass through the fastening screw threaded connection that is located its left and right sides, mounting fixture is close to work piece one end fixedly connected with rubber pad.

Further, the bottom of the auxiliary plate is provided with a supporting plate.

Further, the connecting frame is provided with a plurality of groups of fixing devices.

The lifting device has the beneficial effects that the fixing device of the welding fixture can move up and down by arranging the lifting device, so that the welding fixture can adapt to various sheet metal parts, the utilization rate of the welding fixture is improved, and the assembly precision and efficiency are improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a schematic structural view of the fixing device of the present utility model;

FIG. 4 is a schematic structural view of a connecting plate according to the present utility model;

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The welding fixture with the adjustable height comprises two groups of bases 1, wherein the bases 1 are provided with brackets 2, a connecting frame 3 is arranged between the two groups of brackets 2, a fixing device 5 is fixedly connected to the connecting frame 3, a lifting device 4 is arranged on the brackets 2, the lifting device 4 comprises a servo motor 401 fixedly arranged at the top of the brackets 2 and a threaded rod which is in threaded connection with the servo motor, is positioned in the center of the brackets 2, auxiliary plates 406 are fixedly connected to side walls of the brackets 2, the auxiliary plates 406 are provided with sliding grooves 407 near one side wall plate of the connecting frame 3, a connecting plate 403 is connected with the brackets 2 and the connecting frame 3, a first sliding block 404 in threaded connection with the threaded rod is arranged at the top of the connecting plate 403, a slide way 402 for the first sliding block 404 to slide is arranged at the bottom of the connecting plate 403, a second sliding block 405 in sliding fit with the sliding way 407 is arranged at the bottom of the connecting plate, the servo motor 401 is started, the first sliding block 404 is driven to move upwards along the slide way 402 along the slide way 405 along the sliding way 407 along with the rotation of the threaded rod 402, the second sliding block 405 is further driven by the connecting plate 403 to move upwards, and the connecting plate 3 is driven to move upwards through the connecting plate 403, and the welding fixture is controlled to move downwards, so that the welding precision is improved.

In the utility model, preferably, the fixing device 5 comprises two groups of fixing bases 501 fixedly connected to the connecting frame 3, fixing clamps 502 are connected to the fixing bases 501 in a sliding manner, clamp sliding grooves 505 are formed in the tops of the fixing bases 501, sliding blocks 506 matched with the clamp sliding grooves 505 are arranged at the bottoms of the fixing clamps 502, rubber pads 503 are fixedly connected to one ends of the fixing clamps 502 close to workpieces through fastening screws 504 positioned on the left side and the right side of the fixing clamps 502, when welding is needed, the two groups of fixing clamps 502 are separated, the fastening screws 504 on the fixing device 5 are rotated, the sliding blocks 506 slide along the clamp sliding grooves 505 at the moment, then the workpieces to be welded are placed between the fixing clamps 502, the fastening screws 504 are screwed, and the height of the workpieces is adjusted through the lifting device 4 after the rubber pads 503 clamp and fix the workpieces.

In the present utility model, preferably, the bottom of the auxiliary plate 406 has a supporting plate 408, which further supports the auxiliary plate 406 to make it more stable.

In the utility model, preferably, the connecting frame 3 is provided with a plurality of groups of fixing devices 5, so that the welding of workpieces can be finished in batch at one time, and the welding efficiency is improved.

The working principle of the utility model is that two groups of fixing clamps 502 are separated, a fastening screw rod 504 on a fixing device 5 is rotated, a sliding block 506 slides along a clamp sliding groove 505 at the moment, then a workpiece to be welded is placed between the fixing clamps 502, the fastening screw rod 504 is screwed until a rubber pad 503 clamps and fixes the workpiece, then a servo motor 401 is started, a first sliding block 404 is driven to move upwards along a slideway 402 along with the rotation of a threaded rod 402, a second sliding block 405 slides upwards along the sliding groove 407, a connecting plate 403 drives a connecting frame 3 to move upwards, and the lifting height of the connecting frame is controlled by the servo motor 401, so that the up-and-down movement of the welding clamps is completed, the utilization rate of the welding clamps is improved, and the assembly precision and the assembly efficiency are improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The welding fixture with the adjustable height comprises two groups of bases (1), wherein the bases (1) are provided with supports (2), a connecting frame (3) is arranged between the two groups of supports (2), a fixing device (5) is fixedly connected to the connecting frame (3), the welding fixture is characterized in that a lifting device (4) is arranged on the supports (2), the lifting device (4) comprises a servo motor (401) fixedly arranged at the top of the supports (2) and a threaded rod which is in threaded connection with the servo motor and is positioned in the center of the supports (2), the welding fixture further comprises auxiliary plates (406) fixedly connected to side walls on two sides of the supports (2), sliding grooves (407) are formed in the auxiliary plates (406) close to one side wall plate of the connecting frame (3), the welding fixture further comprises the connecting supports (2) and a connecting plate (403) of the connecting frame (3), a first sliding block (404) in threaded connection with the top of the connecting plate (403), a sliding way (402) is arranged on the supports (2), and the bottom of the connecting plate (403) is provided with a second sliding block (405) in sliding fit with the sliding grooves (407).

2. The welding fixture with adjustable height according to claim 1, wherein the fixing device (5) comprises two groups of fixing bases (501) fixedly connected to the connecting frame (3), fixing fixtures (502) are slidably connected to the fixing bases (501), fixture sliding grooves (505) are formed in the tops of the fixing bases (501), sliding blocks (506) matched with the fixture sliding grooves (505) are formed in the bottoms of the fixing fixtures (502), the two groups of fixing fixtures (502) are in threaded connection through fastening screws (504) located on the left side and the right side of the two groups of fixing fixtures, and rubber pads (503) are fixedly connected to one ends of the fixing fixtures (502) close to a workpiece.

3. The height-adjustable welding jig according to claim 2, wherein the auxiliary plate (406) has a pallet (408) at the bottom.

4. A height-adjustable welding jig according to claim 3, characterized in that the connecting frame (3) has a plurality of sets of fixing means (5) thereon.