CN222725880U

CN222725880U - Clamp for flange welding

Info

Publication number: CN222725880U
Application number: CN202421450779.2U
Authority: CN
Inventors: 左跃进; 韦跃新; 何新华; 崔海军
Original assignee: Zhuzhou Xusen Technology Co ltd
Current assignee: Zhuzhou Xusen Technology Co ltd
Priority date: 2024-06-24
Filing date: 2024-06-24
Publication date: 2025-04-08
Anticipated expiration: 2034-06-24

Abstract

The utility model discloses a flange welding clamp, relates to the technical field of clamps, solves the technical problems that the existing flange welding clamp is not universal and cannot match flanges of various specifications and shapes; and the operator needs to constantly move the position to weld the flange during the welding process; the utility model comprises a motor and a clamping table, the clamping table is fixedly connected to the motor output shaft, a clamping block, a gear, a slide groove, a slider, a screw and a rotating wheel are arranged in the clamping table, the screw is driven to rotate by the rotating wheel, and the slider slides along the slide groove under the threaded connection of the rotating hole provided by the screw and the slider, and the slider drives the gear to rotate while sliding, and then drives the other sliders to slide synchronously, and the clamping block arranged on the slider moves along the moving groove provided by the clamping table and clamps the flange. This clamping method is simple and intuitive, easy to use, and at the same time ensures the accuracy and rapidity of adjustment, and then the motor is turned on, the clamping table starts to rotate, and the operator performs welding work.

Description

Clamp for flange welding

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a clamp for flange welding.

Background

Flanges are a common type of mechanical connector commonly used for pipe connections, and are particularly widely used in the field of high-pressure pipe connections. The flange connection has the advantages of low cost and high reliability, and the moment bearing capacity of the flange is very strong compared with other mechanical connectors. Before the pipes are connected by flanges, flanges need to be welded to the ends of the pipes.

In the prior art, in order to keep a stable state in the welding process of the flange, the flange is generally fixed by using a clamp, but the prior clamp has low universality and cannot be matched with flanges with various specifications and shapes, and meanwhile, operators need to continuously move the positions to weld the flange in the welding process, so that the welding difficulty is increased, and the welding quality is influenced.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the clamp for welding the flange, which solves the problems that the prior clamp for welding the flange is not strong in universality and cannot be matched with flanges with various specifications and shapes, and operators need to continuously move positions to weld the flanges in the welding process.

In order to achieve the above object, according to an embodiment of the first aspect of the present utility model, a fixture for welding a flange is provided, including a support frame, a motor and a clamping table, wherein the motor is fixedly installed on an upper portion of the support frame, the clamping table is rotatably installed on an upper portion of the motor, and the clamping table is fixedly connected with an output shaft of the motor;

The clamping table comprises a bottom plate and a top plate, wherein the top plate is provided with a moving groove, a rotating shaft and at least two sliding grooves are arranged on the bottom plate, one end of the rotating shaft is rotationally connected with the bottom plate, a gear is fixedly connected with the other end of the rotating shaft, sliding blocks are slidingly connected with the sliding grooves, the sliding blocks are meshed with the gear, one sliding block is rotationally connected with a screw rod, two ends of the screw rod are rotationally connected with supporting seats, the supporting seats are fixedly arranged on the bottom plate, one end of the screw rod penetrates through the supporting seats and extends to the outer side of the clamping table, and a rotating wheel is arranged at the extending end of the screw rod;

The upper part of the sliding block is connected with a clamping block in a sliding manner, and the clamping block is arranged in the moving groove.

Preferably, the slider is provided with a rotating hole along the length direction, the screw rod is rotationally arranged in the rotating hole, and the diameter of the rotating hole is matched with the diameter of the screw rod.

Preferably, the side edge of the sliding block is fixedly connected with a plurality of first gear teeth, and the first gear teeth are meshed with the gears.

Preferably, the top of the sliding block is fixedly connected with a plurality of second gear teeth, the bottom of the clamping block is fixedly connected with a plurality of third gear teeth, and the second gear teeth are meshed with the third gear teeth.

Preferably, the two sides of the clamping block are respectively and fixedly provided with a limiting strip, and the upper surface of the limiting strip is propped against the lower surface of the top plate.

Preferably, the clamping block is provided with a V-shaped groove close to the clamping direction.

Preferably, the bearing is fixedly arranged on the bottom plate, and one end, far away from the gear, of the rotating shaft is fixedly connected with the bearing.

Compared with the prior art, the clamping device has the advantages that the rotating wheel is rotated to enable the screw to synchronously rotate, the sliding block is driven to slide along the sliding groove through the threaded connection relation between the screw and the rotating hole, the clamping block arranged on the sliding block is restrained by the moving groove and moves back and forth in the moving groove through the meshing relation between the second gear tooth and the third gear tooth, the clamping or releasing of the clamping block to the flange can be rapidly realized, the clamping efficiency is high, the clamping mode is simple and visual, the hand is easy to operate, meanwhile, the accuracy and the rapidity of adjustment are guaranteed, meanwhile, the clamping block can generate enough clamping force through the transmission of the screw, and the flange is prevented from moving or deforming in the welding process. The stable clamping force can greatly improve the welding quality;

The arrangement of the motor ensures that the flange keeps constant-speed slow rotation in the welding process, is more convenient for operators to weld each connecting part of the flange and the pipeline, avoids the welding quality problem caused by moving and welding of operators in the conventional welding work, and improves the welding yield of the flange.

Drawings

FIG. 1 is a block diagram of a flange welding jig according to the present utility model;

FIG. 2 is a first internal construction diagram of a flange welding jig according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a second internal structural view of the flange welding jig of the present utility model;

FIG. 5 is a block diagram of a chute and slider of the present utility model;

FIG. 6 is a block diagram of the present utility model.

1, A supporting frame, 2, a motor, 3, a clamping table, 31, a bottom plate, 32, a top plate, 321, a moving groove, 33, a rotating shaft, 34, gears, 35, a sliding groove, 36, a sliding block, 361, first gear teeth, 362, second gear teeth, 363, a rotating hole, 37, a clamping block, 371, third gear teeth, 372, a limiting bar, 38, a screw rod, 381, a support, 39 and a rotating wheel.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the clamp for welding the flange comprises a support frame 1, a motor 2 and a clamping table 3, wherein the motor 2 is fixedly arranged at the lower part of the support frame 1, the clamping table 3 is rotatably arranged at the upper part of the support frame 1, and an output shaft of the motor 2 penetrates through the support frame 1 and is fixedly connected with the clamping table 3;

When the flange is fixed on the clamping table 3 for welding, the output shaft of the motor 2 slowly rotates to drive the clamping table 3, the flange clamped on the clamping table 3 and the pipeline inserted on the flange to synchronously slowly rotate, and an operator can fixedly stand at a certain position for welding, so that the influence of the operator on the welding quality due to continuous movement of the position is avoided;

The clamping table 3 comprises a bottom plate 31 and a top plate 32, a gear 34 and at least two sliding grooves 35 are arranged on the bottom plate 31, a rotating shaft 33 is arranged between the gear 34 and the bottom plate 31, a bearing is fixedly arranged on the bottom plate 31, one end of the rotating shaft 33 is fixedly connected with the gear 34, and the other end of the rotating shaft is fixedly connected with the bearing;

as shown in fig. 5-6, a sliding block 36 is slidably connected to the sliding groove 35, a rotation hole 363 is formed in the sliding block 36 along the length direction, threads are formed in the rotation hole 363, a plurality of first gear teeth 361 are fixedly connected to the side edge of the sliding block 36, the sliding block 36 is meshed with the gear 34 through the first gear teeth 361, and a plurality of second gear teeth 362 are fixedly connected to the top of the sliding block 36;

The slide block 36 is provided with a clamping block 37 in a sliding manner, and the bottom of the clamping block 37 is fixedly provided with a plurality of gear teeth III 371, wherein the gear teeth III 371 are meshed with the gear teeth II 362;

The top plate 32 is provided with a moving groove 321, the clamping block 37 is arranged in the moving groove 321 in a sliding way, wherein the upper surface of the limiting strip 372 is in contact with the lower surface of the top plate 32, and the clamping block 37 is prevented from being separated from the clamping table 3 through the arrangement of the limiting strip 372;

One of the sliding blocks 36 is rotatably connected with a screw rod 38 through a rotating hole 363, two ends of the screw rod 38 are respectively rotatably connected with a support 381, the support 381 is fixedly connected to the bottom plate 31, one end of the screw rod 38 penetrates through the support 381 and extends out of the clamping table 3, and the extending end of the screw rod 38 is fixedly connected with a rotating wheel 39;

Through the design of the screw rod 38 and the rotating wheel 39, an operator can easily adjust the position and the clamping force of the clamping block 37 by rotating the rotating wheel 39. The adjusting mode is simple and visual, is easy to operate, ensures the accuracy and the rapidity of adjustment, and simultaneously can generate enough clamping force by the transmission of the screw rod 38 to ensure that the flange cannot move or deform in the welding process. The stable clamping force can greatly improve the welding quality;

the clamping block 37 is provided with a V-shaped groove close to the clamping direction, so that the clamping stability is enhanced.

When the flange is required to be welded, the flange is placed on the clamping table 3, the rotating wheel 39 is rotated, at the moment, the screw rod 38 synchronously rotates and drives the sliding block 36 to slide along the sliding groove 35 through the threaded connection relation with the rotating hole 363, the clamping block 37 arranged on the sliding block 36 is restrained by the moving groove 321, and the clamping block 37 moves back and forth in the moving groove 321 through the meshing relation of the gear teeth II 362 and the gear teeth III 371;

While the sliding blocks 36 slide along the sliding grooves 35, the sliding blocks 36 drive the gears 34 to rotate through the meshing of the gear teeth 361 and the gears 34, the meshing of the gears 34 drives the other sliding blocks 36 to slide, and all the clamping blocks 37 move back and forth along the moving grooves 321 so as to clamp the fixing flange;

After the flange is fixed, the motor 2 is started, the output shaft of the motor 2 drives the clamping table 3 to rotate synchronously and slowly, and an operator welds the flange.

The above embodiments are only for illustrating the technical method of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present utility model may be modified or substituted without departing from the spirit and scope of the technical method of the present utility model.

Claims

1. A flange welding fixture, comprising a support frame (1) and a motor (2), wherein the motor (2) is fixedly mounted on the lower part of the support frame (1); characterized in that it also comprises a clamping platform (3), wherein the clamping platform (3) is rotatably mounted on the upper part of the support frame (1), and the clamping platform (3) is fixedly connected to the output shaft of the motor (2);

The clamping platform (3) comprises a bottom plate (31) and a top plate (32), wherein the top plate (32) is provided with a movable groove (321); a rotating shaft (33) and at least two sliding grooves (35) are installed on the bottom plate (31); one end of the rotating shaft (33) is rotatably connected to the bottom plate (31), and the other end is fixedly connected to a gear (34); the sliding groove (35) is slidably connected to a slider (36); the slider (36) and the gear (34) are meshed; one of the sliders (36) is rotatably connected to a screw rod (38), and both ends of the screw rod (38) are rotatably connected to a support (381), and the support (381) is fixedly installed on the bottom plate (31), and one end of the screw rod (38) passes through the support (381) and extends to the outside of the clamping platform (3), and a rotating wheel (39) is installed at the extended end of the screw rod (38);

A clamping block (37) is slidably connected above the sliding block (36), and the clamping block (37) is arranged in the movable groove (321).

2. A flange welding fixture according to claim 1, characterized in that the slider (36) is provided with a rotating hole (363) along the length direction, the screw (38) is rotatably arranged in the rotating hole (363), and the diameter of the rotating hole (363) is adapted to the diameter of the screw (38).

3. A flange welding fixture according to claim 1, characterized in that a plurality of gear teeth (361) are fixedly connected to the side of the slider (36), and the gear teeth (361) are meshed with the gear (34).

4. A flange welding fixture according to claim 1, characterized in that a plurality of gear teeth 2 (362) are fixedly connected to the top of the slider (36), and a plurality of gear teeth 3 (371) are fixedly connected to the bottom of the clamping block (37), and gear teeth 2 (362) are meshed with gear teeth 3 (371).

5. A flange welding fixture according to claim 1, characterized in that limit strips (372) are fixedly installed on both sides of the clamping block (37), and the upper surface of the limit strip (372) abuts against the lower surface of the top plate (32).

6. A flange welding fixture according to claim 1, characterized in that the clamping block (37) is provided with a V-shaped groove near the clamping direction.