CN217667369U

CN217667369U - Welding fixture for reducing elbow of stainless steel pipe fitting

Info

Publication number: CN217667369U
Application number: CN202122981811.2U
Authority: CN
Inventors: 陈厚忠
Original assignee: Wuhan Jinniu Stainless Steel Pipe Technology Co ltd
Current assignee: Wuhan Jinniu Stainless Steel Pipe Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-10-28
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a welding jig for stainless steel pipe fitting reducing elbow belongs to welding jig technical field, and it includes the mould, three incision has been seted up to the surface of mould, and three mounting groove has all been seted up to three notched surface, the thread groove has been seted up to the inner wall of mounting groove, the inner wall of mounting groove and the mutual joint of the surface of plunger, the surface cover of plunger is equipped with the screw thread ring, the surface of plunger passes through the inner wall threaded connection of screw thread ring and thread groove, the activity groove has been seted up to the inner wall of plunger, the inner wall of plunger passes through the surface sliding connection of activity groove and bulb. This a welding jig for stainless steel pipe fitting reducing elbow through setting up spring and thread groove, has made things convenient for this welding jig to carry out the tight welding in top when welding reducing elbow, has also prevented that the tight dynamics in top from too big results in spot welding department to drop when this welding jig welds to this welding jig work efficiency has effectually been improved.

Description

Welding fixture for reducing elbow of stainless steel pipe fitting

Technical Field

The utility model belongs to the technical field of welding jig, specifically be a welding jig for stainless steel pipe fitting reducing elbow.

Background

The reducing pipe is also called as reducer, which is one of chemical pipe fittings and is used for connecting two different pipe diameters. Divide into concentric reducer and eccentric reducer again, the welding, also be called the butt fusion, the melt is jointed, be one kind with the heating, high temperature or high-pressure mode joint metal or other thermoplastic material like the manufacturing process and the technique of plastics, modern welded energy source has a large variety, including gas flame, electric arc, laser, electron beam, friction and ultrasonic wave etc. because stainless steel pipe fitting reducing elbow series product, because the pipe fitting is crooked pattern when the preparation, current welding jig is difficult to the tight welding in top when welding reducing elbow, or the tight dynamics in top during the welding leads to spot welding department to drop, influences welding quality and welding efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a welding jig for stainless steel pipe fitting reducing elbow has solved current welding jig and has been difficult to the top tightly weld when welding reducing elbow, or the tight dynamics in top greatly leads to spot welding department to drop when welding, influences welding quality and welding efficiency's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a welding jig for stainless steel pipe spare reducing elbow, includes the mould, three incision has been seted up to the surface of mould, and three mounting groove has all been seted up to three notched surface, the thread groove has been seted up to the inner wall of mounting groove, the inner wall of mounting groove and the mutual joint of surface of plunger, the surface cover of plunger is equipped with the screw ring, the surface of plunger passes through the inner wall threaded connection of screw ring with the thread groove, the activity groove has been seted up to the inner wall of plunger, the inner wall of plunger passes through the activity groove and is connected with the surface sliding connection of bulb, the surface of bulb and the mutual overlap joint in top of spring, the bottom of spring and the lower fixed surface of plunger inner wall are connected.

As a further aspect of the present invention: the lower surface of mounting groove inner wall is connected with the lower fixed surface of stopper, the spacing groove has been seted up to the bottom of plunger, the inner wall of spacing groove and the mutual joint of surface of stopper.

As a further aspect of the present invention: the mounting groove is cylindric, the inner wall of mould passes through the surface threaded connection of mounting groove and plunger.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this a welding jig for stainless steel pipe fitting reducing elbow, through setting up the spring, the bulb, the plunger, mould and thread groove, operating personnel embolias the pipe fitting along the incision on the right side of mould, when the inside of pipe fitting contacts with the incision of mould top, the inside bulb of plunger can at first contact with the inside bulb of pipe fitting, thereby extrude the bulb to the inside movable chute of plunger, meanwhile, can exert pressure to the spring after the bulb gets into the inside of plunger, and the reaction force is applyed to the bulb to the spring, thereby outwards promote the bulb once more, block pipe fitting and mould at last, made things convenient for this welding jig to carry out the tight welding in top when welding reducing elbow, the tight dynamics in top when also having prevented this welding jig welding comes off in too big spot welding department that leads to, thereby the effectual welding jig work efficiency that has improved.

2. This a welding jig for stainless steel pipe fitting reducing elbow, through setting up the stopper, spacing groove and thread groove, operating personnel installs the spring in the inside of plunger along the activity groove, install the bulb in the top of spring again afterwards, make the spring pass through the bulb and the inside top contact of plunger, operating personnel passes through the inside of mounting groove insert mould with the plunger afterwards, twist the plunger simultaneously, the screwed ring and the mounting groove inner wall screw thread operation groove of plunger top are connected, make the plunger get into the inside of mounting groove completely at last, after the plunger gets into the inside of mounting groove completely, the spacing groove of plunger below can block with the inside stopper of mounting groove, thereby fix the plunger, installation to the plunger has been made things convenient for more, thereby this welding jig's suitability has been improved, and simultaneously, more effectually fix the plunger, when the stability of plunger has been improved, this welding jig is to the fixed effect of pipe fitting has also been improved.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic view of a three-dimensional cross-sectional structure of the mold of the present invention;

fig. 3 is a schematic view of the three-dimensional explosion structure of the mold of the present invention;

fig. 4 is a schematic view of the three-dimensional cross-sectional structure of the plunger of the present invention;

in the figure: 1 mould, 2 incisions, 3 mounting grooves, 4 thread grooves, 5 limiting blocks, 6 plungers, 7 thread rings, 8 movable grooves, 9 ball heads, 10 springs and 11 limiting grooves.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: a welding fixture for stainless steel pipe reducing elbows comprises a mold 1, wherein three notches 2 are formed in the outer surface of the mold 1, three mounting grooves 3 are formed in the outer surfaces of the three notches 2, threaded grooves 4 are formed in the inner walls of the mounting grooves 3, the inner walls of the mounting grooves 3 are clamped with the outer surface of a plunger 6, a threaded ring 7 is sleeved on the outer surface of the plunger 6, the outer surface of the plunger 6 is in threaded connection with the inner walls of the threaded grooves 4 through the threaded ring 7, movable grooves 8 are formed in the inner walls of the plunger 6, the inner walls of the plunger 6 are in sliding connection with the outer surface of a ball head 9 through the movable grooves 8, the outer surface of the ball head 9 is in lap joint with the top end of a spring 10, the bottom end of the spring 10 is fixedly connected with the lower surface of the inner wall of the plunger 6, and the welding fixture is convenient for abutting welding the reducing elbows, also prevented when this welding jig welds that the tight dynamics in top is too big to lead to spot welding department to drop, thereby the effectual welding jig work efficiency that has improved, the lower surface of 3 inner walls of mounting groove and the lower fixed surface of stopper 5 are connected, spacing groove 11 has been seted up to the bottom of plunger 6, the inner wall of spacing groove 11 and the mutual joint of surface of stopper 5, through setting up stopper 5, it is more effectual to fix plunger 6, when having improved the stability of plunger 6, this welding jig is to the fixed effect of pipe fitting also improved, mounting groove 3 is cylindricly, the inner wall of mould 1 passes through mounting groove 3 and plunger 6's surface threaded connection, through setting up mounting groove 3, it installs plunger 6 to have made things convenient for more, thereby this welding jig's suitability has been improved.

The utility model discloses a theory of operation does:

before using, an operator installs a spring 10 inside a plunger 6 along a movable groove 8, then installs a ball 9 above the spring 10, so that the spring 10 contacts with the top end of the inside of the plunger 6 through the ball 9, then the operator inserts the plunger 6 into a die 1 through a mounting groove 3, simultaneously twists the plunger 6, a threaded ring 7 above the plunger 6 is in threaded connection with the inner wall of the mounting groove 3, finally, the plunger 6 completely enters the inside of the mounting groove 3, after the plunger 6 completely enters the inside of the mounting groove 3, a limiting groove 11 below the plunger 6 can be clamped with a limiting block 5 inside the mounting groove 3, so as to fix the plunger 6, then the operator sleeves the pipe along a notch 2 on the right side of the die 1, when the inside of the pipe contacts with the notch 2 above the die 1, the ball 9 inside the plunger 6 can firstly contact with an inner ball 9 of the pipe, so as to extrude the ball 9 to the movable groove 8 inside the plunger 6, meanwhile, after the ball 9 enters the inside of the die 6, pressure can be applied to the spring 10, and the spring 10 exerts a counterforce, so as to push the ball 9 to the pipe to the outside, and finally clamp the die 1.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a welding jig for stainless steel pipe fitting reducing elbow, includes mould (1), its characterized in that: three incision (2) have been seted up to the surface of mould (1), and three mounting groove (3) have all been seted up to the surface of three incision (2), thread groove (4) have been seted up to the inner wall of mounting groove (3), the inner wall of mounting groove (3) and the mutual joint of surface of plunger (6), the surface cover of plunger (6) is equipped with threaded ring (7), the surface of plunger (6) passes through the inner wall threaded connection of threaded ring (7) and thread groove (4), activity groove (8) have been seted up to the inner wall of plunger (6), the surface sliding connection of the inner wall of plunger (6) through activity groove (8) and bulb (9), the surface of bulb (9) and the mutual overlap joint in top of spring (10), the bottom of spring (10) and the lower fixed surface of plunger (6) inner wall are connected.

2. The welding jig for the reducing elbow of the stainless steel pipe fitting as set forth in claim 1, wherein: the lower surface of mounting groove (3) inner wall and the lower fixed surface of stopper (5) are connected, spacing groove (11) have been seted up to the bottom of plunger (6), the inner wall of spacing groove (11) and the mutual joint of surface of stopper (5).

3. The welding jig for the reducing elbow of the stainless steel pipe fitting as set forth in claim 1, wherein: the mounting groove (3) is cylindrical, and the inner wall of the die (1) is in threaded connection with the outer surface of the plunger (6) through the mounting groove (3).