Jaw vice for pipe fitting welding

Abstract

The utility model relates to the technical field of pipeline welding jigs, in particular to a vice for pipe fitting welding, which comprises two groups of welding supports arranged on a vice seat, two sides of the two groups of welding supports are respectively provided with a pipe fitting supporting seat, and the two groups of welding supports are arranged to support a pipe fitting close to a welding position. The pipe fitting supporting seat supports the pipe fitting away from the welding working face, the upper side end faces of the two sets of welding supports and the upper side end face of the pipe fitting supporting seat are all V-shaped supporting faces, the stability when the pipe fitting is supported can be improved, and the situation that the pipe fitting rotates in the welding process is avoided; the locking chain is wound around the pipe fitting from the upper portion of the pipe fitting, the locking chain is clamped in the lock chain positioning hole, then the lock chain locking seat is rotated to tension the locking chain, and the pipe fitting can be stably fixed to the clamp seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding jig technical field, in particular to a pipe joint welding with vise. BACKGROUND

[0002] In some construction engineering, or gas, steam transmission often use large metal material pipeline, its to the pipeline tightness has strict requirement, so in butt joint pipeline butt joint or pipeline and pipeline joint carry out butt joint mostly adopt welding process, to guarantee the practicality of pipeline, need to use welding support to fix the pipeline in the pipeline welding process, but the traditional welding support needs to have support piece in the welding support bottom, like this can guarantee the stability of welding, and for some suspended pipe fitting welding, bottom support piece apparently cannot continue to support the welding support, this needs welding support to be able to fix relatively between two groups of pipe fittings to be welded, and, need not rely on external force to support the welding support, therefore, need a pipe fitting welding with vise. SUMMARY

[0003] In view of above-mentioned prior art's shortcoming, the utility model's purpose lies in providing a pipe fitting welding with vise, for solving the positioning problem of two pipe fittings in prior art welding.

[0004] To achieve the above object and other related objects, the utility model provides the following technical scheme:

[0005] A pipe fitting welding with vise, comprising:

[0006] The vice seat is provided with two groups of welding supports, and pipe fitting support seats are arranged on the two sides of the two groups of welding supports, the upper side end faces of the two groups of welding supports and the pipe fitting support seats are all V-shaped support surfaces, and the support surfaces of the two groups of welding supports and the pipe fitting support seats are at the same horizontal height.

[0007] Lock chain positioning holes and lock chain fastening mouths are symmetrically arranged on the two sides of the vice seat in the width direction, lock chain locking seats are threadedly connected in the lock chain fastening mouths, and locking chains are arranged between the lock chain positioning holes and the lock chain fastening mouths to lock the pipe fittings on the support surfaces of the welding supports and the pipe fitting support seats.

[0008] The technical scheme is realized in the following manner: two groups of welding supports are arranged to support the pipe fittings close to the welding position, the pipe fitting support seat supports the pipe fittings away from the welding work surface, the upper end faces of the two groups of welding supports and the pipe fitting support seat are V-shaped support faces, which can improve the stability of supporting the pipe fittings and avoid the pipe fittings from rotating during the welding process, the locking chain is threaded through the pipe fittings from above the pipe fittings and is clamped in the locking chain positioning hole by means of the threaded connection between the locking chain locking seat and the locking chain fastening opening, and the locking chain is tightened by rotating the locking chain locking seat, so that the pipe fittings can be stably fixed on the vice seat.

[0009] In an embodiment of the utility model, the two groups of welding supports are arranged close to the center of the vice seat, and the two groups of welding supports are arranged at intervals along the length direction of the vice seat.

[0010] The technical scheme is realized in the following manner: the two groups of welding supports are arranged close to the center of the vice seat, and the two groups of welding supports are arranged at intervals, which can improve the stability of supporting the pipe welding end and provide sufficient operation space for welding and improve the convenience of welding operation.

[0011] In an embodiment of the utility model, the interval distance between the two groups of welding supports is smaller than the interval distance between the welding supports and the pipe fitting support seat.

[0012] The technical scheme is realized in the following manner: the interval distance between the two groups of welding supports is smaller than the interval distance between the welding supports and the pipe fitting support seat, which can provide more stable support for the non-welding end of the pipe fitting and ensure the stability of the pipe fitting during the welding process.

[0013] In an embodiment of the utility model, the locking chain positioning hole at the bottom side of the vice seat is provided with a chain limiting block extending downward, and the chain limiting block is symmetrically provided with two groups of chain limiting blocks on both sides of the locking chain positioning hole.

[0014] The technical scheme is realized in the following manner: the two groups of chain limiting blocks are symmetrically arranged on both sides of the locking chain positioning hole, which can improve the stability of clamping the locking chain in the locking chain positioning hole and further ensure the fixing reliability of the pipe fitting.

[0015] In an embodiment of the utility model, the welding supports and the pipe fitting support seat extend out of the vice seat along the width direction of the vice seat.

[0016] The technical scheme is realized in the following manner: in order to improve the support stability of the welding supports and the pipe fitting support seat on the pipe fitting, the welding supports and the pipe fitting support seat are arranged to extend out of the vice seat along the width direction of the vice seat, so as to increase the support area of the welding supports and the pipe fitting support seat and further improve the support reliability.

[0017] In one embodiment of the present invention, a locking base is provided on the clamp seat, the locking base extends out of the clamp seat along the width direction of the clamp seat, the locking base is a rectangular base, and the chain fastening port is located inside the locking base.

[0018] To achieve the above technical solution, by setting a locking base and extending the locking base out of the clamp seat along the width direction of the clamp seat, a stable support can be provided for the locking chain fastening port, thereby improving the stability when locking the pipe.

[0019] In one embodiment of the present invention, two sets of downwardly extending limiting seats are symmetrically arranged on both sides of the chain fastening port at the bottom of the clamp seat.

[0020] To achieve the above technical solution, the limiting seat provides support for the installation of the chain locking seat inside the chain fastening port, facilitating the installation of the chain locking seat.

[0021] As described above, the pipe welding vise of this utility model has the following beneficial effects: by setting two sets of welding supports to support the pipe fittings near the welding point, and the pipe fitting support to support the pipe fittings far from the welding working surface, the upper end faces of both sets of welding supports and the pipe fitting support are V-shaped support surfaces, which can improve the stability of supporting the pipe fittings and prevent the pipe fittings from rotating during the welding process. By connecting a chain locking seat to the internal thread of the chain fastening port, the locking chain is passed around the pipe fitting from above and locked in the chain positioning hole. Then, the chain locking seat is rotated to tighten the locking chain, so that the pipe fittings can be stably fixed on the vise seat. Attached Figure Description

[0022] Figure 1 The diagram shown is a structural schematic of the vise for welding pipe fittings disclosed in an embodiment of this utility model.

[0023] Figure 2 The diagram shown is a schematic diagram of the welding support structure of the vise for welding pipe fittings disclosed in this embodiment of the present invention.

[0024] Figure 3 The diagram shown is a schematic diagram of the locking base structure of the vise for welding pipe fittings disclosed in this embodiment of the present invention.

[0025] Figure 4 The diagram shown is a schematic diagram of the chain fastening structure of the vise for welding pipe fittings disclosed in this embodiment of the present invention.

[0026] Figure 5 The diagram shows a schematic of the support surface structure of a vise for welding pipe fittings disclosed in an embodiment of this utility model.

[0027] Component designation explanation

[0028] 1, the clamp seat; 2, welding support; 3, pipe support; 4, support surface; 5, chain positioning hole; 6, chain fastening mouth; 7, chain locking seat; 8, locking chain; 9, chain limiting block; 10, locking base; 11, limiting seat. DETAILED DESCRIPTION

[0029] The implementation of the present application will be described by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0030] Please refer to Figures 1 to 5 The utility model provides a kind of pipe welding with vice, including the two groups of welding support 2 being provided with in clamp seat 1, pipe support 3 is respectively provided in the two sides of the two groups of welding support 2, the upper side end surface of the two groups of welding support 2 and pipe support 3 is V-shaped support surface 4, the support surface 4 of the two groups of welding support 2 and pipe support 3 is at the same horizontal height, chain positioning hole 5 and chain fastening mouth 6 are symmetrically provided in the width direction of clamp seat 1, chain fastening mouth 6 is threadedly connected with chain locking seat 7, locking chain 8 is configured between chain positioning hole 5 and chain fastening mouth 6, to lock pipe on the support surface 4 of welding support 2 and pipe support 3.

[0031] By setting the two groups of welding support 2, support pipe near welding, pipe support 3 supports pipe away from welding work surface, the upper side end surface of the two groups of welding support 2 and pipe support 3 is V-shaped support surface 4, can improve the stability when supporting pipe, avoid the situation that pipe rotates in the welding process, by threadedly connecting chain locking seat 7 in chain fastening mouth 6, locking chain 8 is wound from above pipe, and locking chain 8 is clamped in chain positioning hole 5, then chain locking seat 7 is rotated to tighten locking chain 8, so that pipe can be stably fixed on clamp seat 1.

[0032] The two groups of welding support 2 are close to the center of clamp seat 1, and the two groups of welding support 2 are spaced apart along the length direction of clamp seat 1, the two groups of welding support 2 are close to the center of clamp seat 1, and the two groups of welding support 2 are spaced apart, which can improve the support stability of pipe welding end, and also provide enough operation space for welding, to improve the convenience of welding operation.

[0033] The interval distance between the two groups of welding support 2 is less than the interval distance between welding support 2 and pipe support 3, the interval distance between the two groups of welding support 2 is less than the interval distance between welding support 2 and pipe support 3, which can provide more stable support for the non-welding end of pipe, to ensure the stability of pipe in the welding process.

[0034] The chain limiting block 9 is provided at the bottom side of the clamp base 1 at the chain positioning hole 5, and two groups of chain limiting blocks 9 are symmetrically provided at both sides of the chain positioning hole 5 and extend downward, so that the stability of the locking chain 8 clamped in the chain positioning hole 5 is improved, thereby ensuring the fixing reliability of the pipe.

[0035] The welding support 2 and the pipe support 3 extend out of the clamp base 1 along the width direction of the clamp base 1, so as to increase the support area of the welding support 2 and the pipe support 3, thereby improving the support reliability.

[0036] The locking base 10 is provided on the clamp base 1 and extends out of the clamp base 1 along the width direction of the clamp base 1, the locking base 10 is a rectangular base, and the chain fastening opening 6 is located in the locking base 10, so that the chain fastening opening 6 is stably supported, and the stability during locking of the pipe is improved.

[0037] Two groups of limiting seats 11 extending downward are symmetrically provided at both sides of the chain fastening opening 6 at the bottom of the clamp base 1, so that the chain fastening opening 6 is stably supported, and the installation of the chain locking seat 7 is facilitated.

[0038] The two groups of welding supports support the pipe close to the welding position, the pipe support supports the pipe away from the welding surface, the upper side end faces of the two groups of welding supports and the pipe support are V-shaped support surfaces, the stability during supporting of the pipe is improved, the pipe is prevented from rotating during welding, the chain locking seat is threadedly connected in the chain fastening opening, the locking chain is wound around the pipe from above the pipe, the locking chain is clamped in the chain positioning hole, the chain locking seat is rotated to tighten the locking chain, and the pipe is stably fixed on the clamp base.

[0039] The above embodiments only exemplarily illustrate the principle and effects of the utility model, and are not used for limiting the utility model. All equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A pipe welding vice characterized by comprising: The utility model relates to a welding clamp, which comprises: a clamp base provided with two groups of welding supports, pipe support seats are arranged on both sides of the two groups of welding supports, the upper end faces of the two groups of welding supports and the pipe support seats are V-shaped support surfaces, and the support surfaces of the two groups of welding supports and the pipe support seats are at the same horizontal height; lock chain positioning holes and lock chain fastening openings are symmetrically arranged on both sides of the clamp base in the width direction, lock chain locking seats are threadedly connected in the lock chain fastening openings, and locking chains are arranged between the lock chain positioning holes and the lock chain fastening openings to lock the pipes on the support surfaces of the welding supports and the pipe support seats.

2. The pipe wrench of claim 1, wherein: The two groups of welding supports are arranged close to the center of the clamp base, and the two groups of welding supports are spaced apart along the length direction of the clamp base.

3. The pipe wrench of claim 1, wherein: The spacing distance between the two groups of welding supports is smaller than the spacing distance between the welding supports and the pipe support seats.

4. The pipe wrench of claim 1, wherein: Chain limiting blocks extending downward are arranged at the lock chain positioning holes on the bottom side of the clamp base, and two groups of chain limiting blocks are symmetrically arranged on both sides of the lock chain positioning holes.

5. The pipe wrench of claim 1, wherein: The welding supports and the pipe support seats extend out of the clamp base along the width direction of the clamp base.

6. The pipe wrench of claim 1, wherein: A locking base is arranged on the clamp base, the locking base extends out of the clamp base along the width direction of the clamp base, the locking base is a rectangular base, and the lock chain fastening openings are located in the locking base.

7. The pipe wrench of claim 1, wherein: Two groups of limiting seats extending downward are symmetrically arranged on both sides of the lock chain fastening openings on the bottom of the clamp base.

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