CN220806105U - Pipe fitting welding tool - Google Patents

Abstract

The utility model provides a pipe fitting welding tool, which belongs to the field of welding tools and comprises a base, wherein two vertical supports are arranged on the base at intervals, two supporting rods are arranged between the two vertical supports, a first clamping piece for clamping a pipe and a second clamping piece for clamping a pipe are arranged between the two supporting rods, the first clamping piece is fixed on the supporting rods, the second clamping piece is arranged on the supporting rods in a sliding manner, the first clamping piece comprises two first clamping pipe hoops, two first clamping pieces are respectively and rotatably arranged on the inner walls of the two first clamping pipe hoops, the second clamping piece comprises a second clamping pipe hoop, two second clamping pieces are respectively and rotatably arranged on the inner walls of the second clamping pipe hoops, and a pulling piece for driving the second clamping piece to move towards the direction close to the first clamping piece so as to enable the pipe fitting to be abutted against the pipe. The utility model can ensure the coaxiality of the pipe fitting and the pipeline, and can ensure that the pipe fitting is abutted against the end part of the pipeline, thereby facilitating the welding process.

Description

Pipe fitting welding tool

Technical Field

The utility model relates to the technical field of welding tools, in particular to a pipe fitting welding tool.

Background

The pipe fitting is a pipe fitting, and mainly comprises products such as an elbow, a flange plate, a tee joint, a reducing pipe, a sealing head and the like, metal pipe fitting welding is an extremely important ring in pipe production and installation, when the pipe fitting needs to be welded onto a pipe, a worker is required to align and tightly prop one end of the pipe fitting, and the stability of the pipe fitting on the pipe is ensured by adopting a method of manually clamping the pipe fitting, and meanwhile welding is performed. The welding method is inconvenient in operation process, and the product rejection rate is high due to the problem of coaxiality.

Disclosure of utility model

The utility model aims to provide a pipe fitting welding tool which can enable a pipe fitting to be abutted against the end part of a pipeline on the basis of ensuring coaxiality of the pipe fitting and the pipeline, so that the welding process is convenient.

The embodiment of the utility model is realized by the following technical scheme: the utility model provides a pipe fitting welding frock, includes the base, the interval is provided with two vertical supports on the base, two be provided with two spinal branch vaulting poles between the vertical support, two be provided with the first holder that is used for the centre gripping pipeline between the bracing piece and be used for the second holder of centre gripping pipe fitting, first holder is fixed to be set up on the bracing piece, the second holder slides and sets up on the bracing piece, first holder includes two first centre gripping ferrules, two all rotate on the inner wall of first centre gripping ferrule and be provided with two first grip pieces, the second holder includes the second centre gripping ferrule, rotate on the inner wall of second centre gripping ferrule and be provided with two second grip pieces, the bottom of second centre gripping ferrule is provided with and is used for driving the second holder to be close to the direction removal of first holder so that pipe fitting butt is on the pipeline.

Further, the pulling piece comprises a pulling plate and two pulling springs, wherein the pulling plate is fixedly arranged at the bottom of the second clamping pipe hoop, the two pulling springs are symmetrically arranged at two sides of the pulling plate, one end of each pulling spring is fixedly connected to the pulling plate, and the other end of each pulling spring is fixedly connected to one of the vertical supports.

Further, a plug is arranged on the second clamping pipe hoop, a jack for inserting the plug is formed in the supporting rod, and when the plug is inserted into the jack, the pulling spring is in a stretching state.

Further, a connecting rod is arranged between the first clamping pieces of the two first clamping pipe hoops, the connecting rod comprises an arc-shaped part and horizontal parts positioned at two ends of the arc-shaped part, and the horizontal parts at two ends are correspondingly connected to the first clamping pieces at two sides.

Further, a positioning plate is arranged on the horizontal part on one side, positioning columns penetrate through the positioning plate, and one of the positioning holes for inserting the positioning columns is formed in the first clamping pipe hoop.

Further, a hanging rope is arranged in the middle of the arc-shaped part, the hanging rope is an elastic rope, and a hanging plate for hanging the hanging rope is arranged on the supporting rod.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

1. according to the utility model, the first clamping piece and the second clamping piece are used for clamping the pipeline and the pipe fitting, and the end part of the pipe fitting is driven to be abutted against the end part of the pipeline by the pulling piece, so that the welding process is convenient; through rotating in first centre gripping ferrule and setting up first centre gripping piece, through rotating in second centre gripping ferrule and setting up the second centre gripping piece to the convenience rotates pipeline and pipe fitting, thereby the convenience is rotating pipe fitting decurrent part to upper portion, makes things convenient for the staff to weld.

2. According to the utility model, the positioning plate and the positioning column are arranged on one horizontal part so as to fix the position of the pipeline, and the hanging rope is arranged on the arc-shaped part so as to position the pipeline again after the pipeline is rotated by a designated angle, thereby avoiding the influence on the welding caused by the rotation of the pipeline in the welding process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the whole structure of a pipe welding tool provided by the utility model;

FIG. 2 is a schematic view of the structure of the second clamping member, the pulling member and the vertical support of the present utility model;

FIG. 3 is a schematic view of the first clamping member and connecting rod of the present utility model;

Icon: the device comprises a base, a vertical support, a support rod, a hanging plate, a first clamping piece, a first clamping pipe hoop, a 211-positioning hole, a first clamping piece, a second clamping pipe hoop, a bolt, a second clamping piece, a pulling plate, a pulling spring, a connecting rod, a horizontal part, a hanging rope, a horizontal part, a positioning plate and a positioning column.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

Example 1

The utility model further provides a pipe fitting welding tool, which is described below with reference to specific embodiments, and is shown in fig. 1-3, and comprises a base 1, wherein two vertical supports 11 are arranged on the base 1 at intervals, two support rods 12 are arranged between the two vertical supports 11, a first clamping piece 2 for clamping a pipe and a second clamping piece 3 for clamping the pipe are arranged between the two support rods 12, the first clamping piece 2 is fixedly connected with the support rods 12, the second clamping piece 3 is in sliding connection with the support rods 12, a pulling piece 4 for driving the second clamping piece 3 to move towards the direction close to the first clamping piece 2 is arranged at the bottom of the second clamping piece 3, the pipe fitting is clamped on the first clamping piece 2, then the second clamping piece 3 is driven to move towards the direction close to the first clamping piece 2 by the pulling piece 4, so that the pipe fitting is abutted onto the pipe fitting, and the pipe fitting is welded onto the pipe fitting conveniently.

The first clamping piece 2 comprises two first clamping pipe hoops 21, two first clamping pieces 22 are rotatably arranged on the inner walls of the two first clamping pipe hoops 21, the second clamping piece 3 comprises a second clamping pipe hoop 31, and two second clamping pieces 32 are rotatably arranged on the inner walls of the second clamping pipe hoops 31. The first clamping pipe hoop 21 and the second clamping pipe hoop 31 are composed of two semi-annular hoops hinged with each other, sliding grooves are formed in the inner walls of the semi-annular hoops, sliding strips are arranged on the first clamping piece 22 and the second clamping piece 32 and are connected in the sliding grooves in a sliding mode, and the pulling piece 4 is installed on the semi-annular hoops at the bottom of the second clamping pipe hoop 31.

In this embodiment, the pulling member 4 includes a pulling plate 41 and two pulling springs 42, the pulling plate 41 is welded on a semi-annular hoop at the lower part of the second clamping pipe hoop 31, the two pulling springs 42 are symmetrically disposed at two sides of the pulling plate 41, one end of the pulling spring 42 is fixedly connected to the pulling plate 41, and the other end is fixedly connected to one of the vertical supports 11. Be provided with bolt 311 on the second centre gripping ferrule 31, offer the jack that supplies bolt 311 to insert on the bracing piece 12, when bolt 311 inserted the jack, pulling spring 42 was in tensile state, and the staff can conveniently clamp the pipe fitting in second centre gripping ferrule 31, and after the clamping was accomplished, took out bolt 311 from the jack, and pulling plate 41 drove second centre gripping ferrule 31 to being close to the direction removal of first centre gripping ferrule 21 under pulling spring 42's elasticity effect to make the tip butt of pipe fitting on the pipeline.

A connecting rod 5 is arranged between the first clamping pieces 22 of the two first clamping pipe hoops 21, the connecting rod 5 comprises an arc-shaped part 51 and horizontal parts 52 positioned at two ends of the arc-shaped part 51, and the horizontal parts 52 at two ends are correspondingly connected to the first clamping pieces 22 at two sides. After the part of the pipe fitting located on the upper portion is welded, the pipeline and the pipe fitting are connected into a whole, and at the moment, the arc-shaped part 51 of the connecting rod 5 is held and rotated to drive the first clamping pieces 22 in the two first clamping pipe hoops 21 to rotate simultaneously, namely, the pipeline and the pipe fitting can synchronously rotate, so that the part of the pipe fitting originally located on the lower portion is rotated to the upper portion, and a worker does not need to weld the connecting part of the pipe fitting and the pipeline on the lower portion, so that the welding process is convenient.

The horizontal portion 52 on one side is fixedly connected with a positioning plate 521, a positioning column 522 is arranged on the positioning plate 521 in a penetrating manner, and a positioning hole 211 for inserting the positioning column 522 is formed in one of the first clamping pipe hoops 21. The middle part of the arc-shaped part 51 is provided with a hanging rope 511, the hanging rope 511 is an elastic rope, and the support rod 12 is provided with a hanging plate 121 for hanging the hanging rope 511. When the pipe fitting and the pipe are welded at first, the positioning column 522 on the positioning plate 521 is inserted into the positioning hole 211 on the first clamping pipe hoop 21, so that the first clamping piece 22 cannot rotate in the first clamping pipe hoop 21, and the pipe fitting cannot rotate, so that the stability of the pipe and the pipe fitting in the welding process is ensured; after the upper part of the pipe fitting is welded to the pipe, the positioning column 522 is moved out of the positioning hole 211 and the pipe fitting is rotated through the connecting rod 5, the rotated positioning plate 521 is abutted against the connecting part on the first clamping pipe hoop 21, and the hanging rope 511 is hung on the hanging plate 121 at the moment, namely, the rotated first clamping piece 22 can be positioned, so that the stability of the pipe fitting when being welded from the lower part to the upper part is ensured.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a pipe fitting welding frock which characterized in that: including base (1), the interval is provided with two vertical supports (11) on base (1), two be provided with two spinal branch vaulting poles (12) between vertical support (11), two be provided with first holder (2) and second holder (3) that are used for the centre gripping pipe fitting between bracing piece (12), first holder (2) are fixed to be set up on bracing piece (12), second holder (3) slide and set up on bracing piece (12), first holder (2) include two first centre gripping pipe clamps (21), two all rotate on the inner wall of first centre gripping pipe clamps (21) and be provided with two first holder pieces (22), second holder (3) include second centre gripping pipe clamps (31), rotate on the inner wall of second centre gripping pipe clamps (31) and be provided with two second holder pieces (32), the bottom of second centre gripping pipe clamps (31) is provided with and is used for driving second holder (3) to be close to first holder (2) and make pipe fitting (4) of pulling in order to make the pipe fitting of pulling on the direction of first holder (2).

2. The pipe welding fixture of claim 1, wherein: the pulling piece (4) comprises a pulling plate (41) and two pulling springs (42), wherein the pulling plate (41) is fixedly arranged at the bottom of the second clamping pipe hoop (31), the two pulling springs (42) are symmetrically arranged at two sides of the pulling plate (41), one end of each pulling spring (42) is fixedly connected to the pulling plate (41), and the other end of each pulling spring is fixedly connected to one of the vertical supports (11).

3. The pipe welding fixture of claim 2, wherein: the second clamping pipe hoop (31) is provided with a plug pin (311), the supporting rod (12) is provided with a jack for inserting the plug pin (311), and when the plug pin (311) is inserted into the jack, the pulling spring (42) is in a stretching state.

4. The pipe welding fixture of claim 1, wherein: a connecting rod (5) is arranged between the first clamping pieces (22) of the two first clamping pipe hoops (21), the connecting rod (5) comprises an arc-shaped part (51) and horizontal parts (52) positioned at two ends of the arc-shaped part (51), and the horizontal parts (52) at two ends are correspondingly connected to the first clamping pieces (22) at two sides.

5. The pipe welding fixture of claim 4, wherein: the horizontal part (52) at one side is provided with a positioning plate (521), the positioning plate (521) is provided with positioning columns (522) in a penetrating way, and one of the first clamping pipe hoops (21) is provided with a positioning hole (211) for inserting the positioning columns (522).

6. The pipe welding fixture of claim 5, wherein: the middle part of arc portion (51) is provided with string rope (511), string rope (511) are elastic rope, be provided with on bracing piece (12) and supply string rope (511) to hang link plate (121) of establishing.