CN218926785U

CN218926785U - Welding auxiliary clamp

Info

Publication number: CN218926785U
Application number: CN202222833713.9U
Authority: CN
Inventors: 张建
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-28
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a welding auxiliary clamp which comprises a fixed base, wherein a limiting groove is formed in the upper surface of the fixed base, an H-shaped support is arranged above the fixed base, a limiting support base is fixedly arranged on the lower surface of the H-shaped support, the limiting support base and the limiting groove are mutually matched, V-shaped clamping jaws are movably arranged at two ends of the limiting support base through connecting shafts, a connecting groove is formed in the lower surface of the V-shaped clamping jaw, a rotary connecting block is rotatably arranged in the connecting groove, a threaded screw is rotatably arranged in the limiting groove, a rotary disk is fixedly arranged at one end of the limiting groove, and a motor is fixedly arranged on the outer surface of one side of the fixed base. The V-shaped clamping jaw is contacted with the H-shaped support through the first rotating roller and the second rotating roller, the welding can be performed again after the fixing of the pipeline is not required to be released, and the occurrence of adverse phenomena such as sand holes and the like in secondary welding is avoided.

Description

Welding auxiliary clamp

Technical Field

The utility model relates to a clamp, in particular to an auxiliary clamp for pipeline welding.

Background

When welding pipelines, two sections of pipelines to be welded are often required to be fixed together by using a clamp, so that an operator is liberated from carrying out welding operation by both hands.

The utility model discloses a pipeline welding anchor clamps for publication number CN217122307U, including the base, base upside left end portion is provided with the fixing base, the fixing base right side is equipped with the slide that slides and set up in the base upside, the slide is driven by the hand wheel subassembly and is controlled the removal and fix on the base through the hand wheel subassembly, the lower half staple bolt that can dismantle respectively on the fixing base and the slide is equipped with, lower half staple bolt upside is provided with matched with first staple bolt. Compared with the prior art, the method has the advantages that: according to the utility model, after the two pipelines to be butted after clamping and fixing are clamped, the hand wheel is rotated to drive the butt joint ports of the two pipelines to be butted, and then the welding can be conveniently implemented; the whole of first staple bolt and second staple bolt of this novel is detachable construction, when changing first staple bolt and second staple bolt of difference, alright let this novel can carry out the centre gripping to the pipeline of different pipe diameter sizes in the certain limit fixed, and then can be used for the welding work of different pipe diameter big or small pipelines.

Above-mentioned current anchor clamps for pipeline welding need to weld the junction round interface totally when two sections pipelines weld in the in-service use, need rotate the pipeline when welding, and above-mentioned device is fixed the back with the pipeline, and after being difficult to rotatory only can weld a part, unscrew the staple bolt and continue the welding with pipeline rotatory half cycle again, and the segmentation welding can make the welding seam incomplete, and two sections welding seams link up the problem that the sand hole is difficult to appear easily.

Disclosure of Invention

The utility model aims to provide a welding auxiliary clamp which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a welding auxiliary fixture, includes unable adjustment base, unable adjustment base upper surface has seted up spacing recess, the unable adjustment base top is provided with H type support, fixed surface installs spacing support base under the H type support, spacing support base and spacing recess mutually support, spacing support base two has V type clamping jaw through connecting axle movable mounting, connecting groove has been seted up to V type clamping jaw lower surface, connecting groove inside rotation installs rotatory connecting block.

Specifically, through two V type clamping jaws and H type support mutually supporting, when one end rotatory connecting block is close to each other or keeps away from, can drive V type clamping jaw other end and open and close, place inside H type support top arc recess with the pipeline that needs to be fixed, the control V type clamping jaw other end is closed, can fix the pipeline at H type support top, grasp the pipeline through three contact surfaces, make two pipeline centers be in same horizontal position, thereby need not adjust the pipeline position, be the roller with pipeline contact simultaneously, can freely rotate when the pipeline is fixed, can rotate again and weld after the fixed of unnecessary dismantlement pipeline, avoid the secondary welding.

Preferably, the screw thread lead screw is rotatably arranged in the limiting groove, a rotary disk is fixedly arranged at one end of the limiting groove, a motor is fixedly arranged on the outer surface of one side of the fixed base, and the output end of the motor is fixedly connected with the other end of the limiting groove.

Specifically, the rotary disk can be rotated manually to drive the limiting groove to rotate, the limiting groove can be rotated to drive the limiting support base to move, and the starting motor can drive the limiting groove to rotate rapidly, so that the position of the H-shaped support can be adjusted rapidly.

Preferably, the front surface of the limit support base is provided with a first threaded through hole, and the first threaded through hole is matched with the limit groove.

Specifically, through the mutual cooperation of first screw thread through-hole and spacing recess to spacing recess rotation drives spacing support base and removes, and spacing support base removes and can drive H type support and remove.

Preferably, two similar faces of V type clamping jaw upper end have been seted up the second roller mounting groove, the inside rotation of roller mounting groove is installed the second rotatory roller, the arc recess has been seted up to H type support top surface, set up first roller mounting groove on the arc recess, first roller mounting groove inside rotation is installed first rotatory roller.

Specifically, the second rotating roller is contacted with the first rotating roller pipeline, so that the clamped pipeline can be continuously rotated after being clamped.

Preferably, a second threaded through hole is formed in the rotary connecting block, and a threaded connecting shaft is movably mounted in the second threaded through hole.

Specifically, can drive rotatory connecting block and be close to each other or keep away from through rotatory threaded connection axle, rotatory connecting block drives V type clamping jaw one end and is close to each other or keep away from.

Preferably, the two ends of the threaded connecting shaft are fixedly provided with rotary handles.

Specifically, the threaded connection shaft is driven to rotate by rotating the rotating handle.

Compared with the prior art, the utility model has the beneficial effects that:

1. the rotary handle drives the threaded connection shaft to rotate, the threaded connection shaft can drive the rotary connection block to be close to or far away from each other, the rotary connection block drives one ends of the V-shaped clamping jaws to be far away from each other, the other ends of the V-shaped clamping jaws are controlled to be closed, the pipeline is fixed inside the arc-shaped groove, the V-shaped clamping jaws and the H-shaped support are in contact with the pipeline through the first rotary roller and the second rotary roller, the welding can be performed again after the fixing of the pipeline is not required to be released, and the occurrence of adverse phenomena such as sand holes and the like in secondary welding is avoided.

2. The pipeline is clamped through the three contact surfaces, so that the centers of the two pipelines are positioned at the same horizontal position, and therefore, the clamping positions of the pipelines do not need to be adjusted, and the two welded pipelines can be ensured to be positioned at the same horizontal position.

Drawings

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

FIG. 2 is a schematic view of the structure of the present utility model when clamping a pipe;

fig. 3 is an exploded view of the clamping structure of the present utility model.

In the figure: 1. a fixed base; 101. a limit groove; 102. a threaded lead screw; 103. a motor; 104. a rotating disc; 2. a limit support base; 201. an H-shaped bracket; 202. a first threaded through hole; 203. a first rotating roller; 3. v-shaped clamping jaw; 301. a second rotating roller; 302. a connection groove; 4. rotating the connecting block; 401. a second threaded through hole; 402. a threaded connection shaft; 403. the handle is rotated.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a welding auxiliary fixture, includes unable adjustment base 1, unable adjustment base 1 upper surface has seted up spacing recess 101, and unable adjustment base 1 top is provided with H type support 201, and fixed surface installs spacing support base 2 under the H type support 201, and spacing support base 2 and spacing recess 101 mutually support, and spacing support base 2 two have V type clamping jaw 3 through connecting axle movable mounting, and connecting groove 302 has been seted up to V type clamping jaw 3 lower surface, and connecting groove 302 inside rotation installs rotatory connecting block 4.

In this embodiment, through two V type clamping jaw 3 and H type support 201 mutually support, when one end rotatory connecting block 4 is close to each other or keeps away from, can drive V type clamping jaw 3 other end and open and close, place the pipeline that will need fix inside H type support 201 top arc recess, the control V type clamping jaw 3 other end is closed, can fix the pipeline at H type support 201 top, grasp the pipeline through three contact surface, make two pipeline centers be in same horizontal position, thereby need not adjust the pipeline position, be the roller with the pipeline contact simultaneously, can free rotation when the pipeline is fixed, just can rotate again and weld after need not releasing the fixed of pipeline, avoid the secondary welding.

In order to achieve the purpose of adjusting the positions of two fixed pipelines, the device is realized by adopting the following technical scheme: the inside screw thread lead screw 102 that rotates of spacing recess 101 is installed, and spacing recess 101 one end fixed mounting has rotary disk 104, and unable adjustment base 1 one side surface fixed mounting has motor 103, and motor 103 output and spacing recess 101 other end fixed connection, spacing support base 2 openly has seted up first screw thread through-hole 202, and first screw thread through-hole 202 and spacing recess 101 mutually support.

The limiting groove 101 can be driven to rotate by manually rotating the rotating disc 104, the limiting groove 101 can be rotated to drive the limiting support base 2 to move, the starting motor 103 can drive the limiting groove 101 to rotate rapidly, the position of the H-shaped support 201 is adjusted rapidly, the first threaded through hole 202 is matched with the limiting groove 101, the limiting groove 101 is rotated to drive the limiting support base 2 to move, and the limiting support base 2 is moved to drive the H-shaped support 201 to move.

In order to achieve the purpose that the pipeline can still rotate after being fixed, the device is realized by adopting the following technical scheme: the second roller mounting groove has been seted up to the close face in two V type clamping jaw 3 upper ends, and the second rotatory roller 301 has been installed in the inside rotation of roller mounting groove, and arc recess has been seted up to H type support 201 top surface, sets up first roller mounting groove on the arc recess, and first rotatory roller 203 has been installed in the inside rotation of first roller mounting groove, and second screw through hole 401 has been seted up to rotatory connecting block 4 inside, and second screw through hole 401 inside movable mounting has threaded connection axle 402, and threaded connection axle 402 both ends fixed mounting has rotatory handle 403.

Through the contact of second rotatory roller 301 and first rotatory roller 203 pipeline to can continue rotatory pipeline of centre gripping after the centre gripping, rotatory threaded connection axle 402 can drive rotatory connecting block 4 and be close to each other or keep away from, and rotatory connecting block 4 drives V type clamping jaw 3 one end and is close to each other or keep away from, and rotatory handle 403 drives threaded connection axle 402 and rotate.

The working principle and the using flow of the utility model are as follows: when the device is used, the device is required to be placed at a proper position, two pipelines to be welded are respectively placed inside arc grooves on the top surfaces of the two H-shaped brackets 201, then the rotating handle 403 drives the threaded connecting shaft 402 to rotate, the threaded connecting shaft 402 rotates to drive the rotating connecting blocks 4 to be close to or far away from each other, the rotating connecting blocks 4 drive one ends of the V-shaped clamping jaws 3 to be far away from each other, the other ends of the V-shaped clamping jaws 3 are controlled to be closed, the pipelines are fixed inside the arc grooves, the manual rotating disc 104 can drive the limiting groove 101 to rotate, the limiting groove 101 rotates to drive the two clamping devices to be close to each other, and accordingly the pipelines are driven to be close to each other and attached together, and the joints are welded through a welding machine.

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

1. Welding auxiliary fixture, including unable adjustment base (1), its characterized in that: limiting grooves (101) are formed in the upper surface of the fixed base (1), H-shaped supports (201) are arranged above the fixed base (1), limiting support bases (2) are fixedly arranged on the lower surfaces of the H-shaped supports (201), the limiting support bases (2) are matched with the limiting grooves (101), V-shaped clamping jaws (3) are movably arranged at two ends of each limiting support base (2) through connecting shafts, connecting grooves (302) are formed in the lower surfaces of the V-shaped clamping jaws (3), and rotary connecting blocks (4) are rotatably arranged in the connecting grooves (302).

2. A welding auxiliary fixture as defined in claim 1, wherein: the novel motor is characterized in that a threaded screw rod (102) is rotatably arranged in the limiting groove (101), a rotary disk (104) is fixedly arranged at one end of the limiting groove (101), a motor (103) is fixedly arranged on the outer surface of one side of the fixed base (1), and the output end of the motor (103) is fixedly connected with the other end of the limiting groove (101).

3. A welding auxiliary fixture as defined in claim 1, wherein: the front of the limit support base (2) is provided with a first threaded through hole (202), and the first threaded through hole (202) is matched with the limit groove (101).

4. A welding auxiliary fixture as defined in claim 1, wherein: two similar face in V type clamping jaw (3) upper end has seted up the second roller mounting groove, roller mounting groove inside rotation is installed second rotatory roller (301), arc recess has been seted up to H type support (201) top surface, set up first roller mounting groove on the arc recess, first roller mounting groove inside rotation is installed first rotatory roller (203).

5. A welding auxiliary fixture as defined in claim 1, wherein: the rotary connecting block (4) is internally provided with a second threaded through hole (401), and a threaded connecting shaft (402) is movably arranged in the second threaded through hole (401).

6. The welding auxiliary fixture as defined in claim 5, wherein: and two ends of the threaded connecting shaft (402) are fixedly provided with rotary handles (403).