CN219336661U

CN219336661U - Welding jig with adjustable to return bend welding

Info

Publication number: CN219336661U
Application number: CN202320146157.XU
Authority: CN
Inventors: 张宏; 吕晓强
Original assignee: Xi'an Shundao Aviation Technology Co ltd
Current assignee: Xi'an Shundao Aviation Technology Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-14
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to the technical field of pipe welding, in particular to an adjustable welding fixture for bent pipe welding, which comprises: the device comprises a base, a positioning frame and a clamping plate, wherein the upper end of the base is provided with a lower positioning plate, a supporting plate and an upper positioning plate, the outer side wall of the positioning frame is provided with an air cylinder, the air cylinder is connected with an adjusting roller, and the clamping plate is connected with a movable rod and an adjusting spring; the beneficial effects are as follows: when the pipeline is fixedly welded, the straight-through pipe is firstly adjusted and fixed through the lower locating plate and the upper locating plate, then the bent pipe is placed between the clamping plate and the adjusting roller, then the actuating cylinder drives the adjusting roller to move to one side of the clamping plate, the clamping plate compresses the adjusting springs on the side wall to different degrees through the movable rod according to the size and the angle of the bent pipe, the movable rod is prevented from rotating on the inner wall of the through hole through the action of the limiting strip and the limiting groove, and when the clamping plate is extruded to a certain degree, the bent pipe with different sizes and angles is adjusted and clamped and fixed.

Description

Welding jig with adjustable to return bend welding

Technical Field

The utility model relates to the technical field of pipe welding, in particular to an adjustable welding fixture for bent pipe welding.

Background

The bent pipe is bent by adopting complete bending equipment and is divided into a cold stewing process and a hot pushing process. Whatever the machinery and the pipeline, most of the equipment and the pipeline use the bent pipe. In engineering application, the bent pipe is mainly used for oil transportation, gas transportation, transfusion, engineering bridge construction and the like.

In the prior art, in the use process of the bent pipe, the bent pipe and other types of pipes are required to be fixed together in a welding or other connecting mode so as to achieve the purpose of mutual communication, and in order to ensure the welding precision when the bent pipe is welded, the bent pipe is required to be fixed through a positioning device.

However, when the welding operation is carried out on the bent pipe, the existing most bent pipe welding positioning devices can only fix the bent pipe with specific size and shape, so that corresponding positioning fixtures are required to be replaced when the bent pipe with different sizes and angles is required to be welded, the workload of workers is increased, and the efficiency of welding the bent pipe is greatly reduced.

Disclosure of Invention

The utility model aims to provide an adjustable welding fixture for welding bent pipes, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an adjustable welding fixture for elbow welding, the adjustable welding fixture for elbow welding comprising:

the device comprises a base, wherein one side of the upper end of the base is fixedly connected with a lower locating plate and a supporting plate, the upper end of the lower locating plate is provided with an upper locating plate, and the supporting plate is connected with an adjusting bolt;

the positioning frame is fixedly connected to one end of the upper side wall of the base, an air cylinder is arranged on the outer side wall of one end of the positioning frame, a connecting plate is arranged at one end of the air cylinder, and an adjusting roller is fixedly connected to the connecting plate; a kind of electronic device with high-pressure air-conditioning system

The clamping plate is provided with a plurality of, and a plurality of the clamping plate is located inside the locating frame, and a plurality of all fixedly connected with movable rod and adjusting spring on the lateral wall of clamping plate, the one end that the movable rod kept away from the clamping plate is equipped with the limiting plate.

Preferably, the supporting plate is located at one side of the lower locating plate, and a fixing plate is fixedly connected above the side wall of the supporting plate, which is close to one end of the lower locating plate.

Preferably, the fixing plate is in threaded connection with the adjusting bolt, and the lower end of the adjusting bolt is in rotary connection with the upper side wall of the upper positioning plate.

Preferably, the side walls of the lower locating plate and the upper locating plate, which are opposite, are arc-shaped, and the side walls of the lower locating plate and the upper locating plate, which are opposite, are provided with first anti-skid rubber pads.

Preferably, the adjusting end of the air cylinder transversely penetrates through the side wall of one end of the positioning frame and is fixedly connected with the side wall of the connecting plate, and the connecting plate is -shaped.

Preferably, a plurality of through holes are formed in the outer side wall, opposite to the air cylinder, of the positioning frame, the through holes are respectively in one-to-one correspondence with the movable rods, and limit grooves are formed in two sides of the inner wall of each through hole.

Preferably, the clamping plates are arc-shaped, and the side walls of the clamping plates, which are close to one end of the adjusting roller, are fixedly connected with anti-slip rubber pads II.

Preferably, the adjusting spring is sleeved on the outer wall of the movable rod, one end, away from the clamping plate, of the adjusting spring is fixedly connected with the inner side wall of the positioning frame, and limit strips are arranged on two sides of the outer wall of the movable rod.

Preferably, the movable rod is movably connected with the limiting groove through the limiting strip, and one end, far away from the clamping plate, of the movable rod transversely penetrates through the through hole and is fixedly connected with the side wall of the limiting plate.

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

when the pipeline is fixedly welded, firstly, the straight-through pipe to be welded is placed above the lower locating plate, after a proper position is adjusted, the adjusting bolt is rotated through the fixing plate, the upper locating plate is driven to move downwards through the action of a bearing (not marked in the drawing), the straight-through pipe is adjusted and clamped fixedly, the first anti-slip rubber pad is used for preventing the fixed straight-through pipe from loosening, then the bent pipe to be welded is placed between the clamping plate and the adjusting roller, then the actuating cylinder drives the adjusting roller to move towards one side of the clamping plate, the clamping plate compresses the adjusting spring on the side wall to different degrees through the movable rod according to the size and the angle of the bent pipe, the movable rod is prevented from rotating on the inner wall of the through hole through the action of the limiting strip and the limiting groove, the clamping and fixing effect is affected, when the clamping plate is extruded to a certain degree, the bent pipe with different sizes and angles is adjusted and clamped fixedly, and finally the connecting part of the straight-through pipe and the bent pipe is welded, so that the workload is reduced and the efficiency is improved.

Drawings

FIG. 1 is a left side view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the area at A in FIG. 1 according to the present utility model;

fig. 3 is a right side view of the overall structure of the present utility model.

In the figure: 1. a base; 2. a lower positioning plate; 3. a first anti-skid rubber pad; 4. a support plate; 5. a fixing plate; 6. an adjusting bolt; 7. an upper positioning plate; 8. a movable rod; 9. an adjusting spring; 10. a positioning frame; 11. a clamping plate; 12. a second anti-slip rubber pad; 13. adjusting the roller; 14. a cylinder; 15. a limit groove; 16. a through hole; 17. a limit bar; 18. a limiting plate; 19. and (5) connecting a plate.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Embodiment one:

referring to fig. 1-3, the present utility model provides a technical solution: an adjustable welding jig for elbow welding, the adjustable welding jig for elbow welding comprising: the base 1, one side of the upper end of the base 1 is fixedly connected with a lower locating plate 2 and a supporting plate 4, the upper end of the lower locating plate 2 is provided with an upper locating plate 7, and the supporting plate 4 is connected with an adjusting bolt 6; the positioning frame 10 is fixedly connected to one end of the upper side wall of the base 1, an air cylinder 14 is arranged on the outer side wall of one end of the positioning frame 10, a connecting plate 19 is arranged at one end of the air cylinder 14, and the connecting plate 19 is fixedly connected with an adjusting roller 13; the splint 11 is equipped with a plurality of, and a plurality of splint 11 all are located the inside of locating frame 10, all fixedly connected with movable rod 8 and adjusting spring 9 on the lateral wall of a plurality of splint 11, and the one end that movable rod 8 kept away from splint 11 is equipped with limiting plate 18.

Embodiment two:

on the basis of the first embodiment, in order to realize the adjustment and fixation of the straight pipeline, the supporting plate 4 is positioned at one side of the lower positioning plate 2, and a fixing plate 5 is fixedly connected above the side wall of the supporting plate 4, which is close to one end of the lower positioning plate 2; the fixed plate 5 is in threaded connection with the adjusting bolt 6, and the lower end of the adjusting bolt 6 is in rotary connection with the upper side wall of the upper positioning plate 7; the opposite side walls of the lower locating plate 2 and the upper locating plate 7 are arc-shaped, and the opposite side walls of the lower locating plate 2 and the upper locating plate 7 are provided with an anti-skid rubber pad I3.

When the pipeline is fixedly welded, the straight pipe to be welded is firstly placed above the lower locating plate 2, after the proper position is adjusted, the adjusting bolt 6 is rotated through the fixing plate 5, the upper locating plate 7 is driven to move downwards through the action of a bearing (not marked in the figure), the straight pipe is adjusted and clamped fixedly, and the straight pipe is adjusted and fixed through the action of the anti-skid rubber pad I3, so that the straight pipe is prevented from loosening.

Embodiment III:

on the basis of the first embodiment, in order to realize adjustment, clamping and fixing of bent pipes with different angles, an adjusting end of the air cylinder 14 transversely penetrates through one end side wall of the positioning frame 10 and is fixedly connected with the side wall of the connecting plate 19, and the connecting plate 19 is -shaped; the outer side wall of the positioning frame 10 opposite to the air cylinder 14 is provided with a plurality of through holes 16, the through holes 16 are respectively in one-to-one correspondence with the movable rods 8, and both sides of the inner wall of the through holes 16 are provided with limiting grooves 15; the clamping plates 11 are arc-shaped, and the side walls of the clamping plates 11 close to one end of the adjusting roller 13 are fixedly connected with a second anti-skid rubber pad 12; the adjusting spring 9 is sleeved on the outer wall of the movable rod 8, one end of the adjusting spring 9, which is far away from the clamping plate 11, is fixedly connected with the inner side wall of the positioning frame 10, and both sides of the outer wall of the movable rod 8 are provided with limit strips 17; the movable rod 8 is movably connected with the limit groove 15 through the limit bar 17, and one end of the movable rod 8 far away from the clamping plate 11 transversely passes through the through hole 16 and is fixedly connected with the side wall of the limit plate 18.

The bent pipe to be welded is placed between the clamping plate 11 and the adjusting roller 13, then the air cylinder 14 is started to drive the adjusting roller 13 to move to one side of the clamping plate 11, the clamping plate 11 compresses the adjusting springs 9 on the side wall to different degrees through the movable rod 8 according to the angle of the bent pipe, the movable rod 8 is prevented from rotating on the inner wall of the through hole 16 through the action of the limiting strip 17 and the limiting groove 15, the clamping fixing effect is affected, and when the clamping plate 11 is extruded to a certain degree, the clamping fixing is achieved through adjusting the bent pipes at different angles.

During the in-service use, when the pipeline is fixed and welded, firstly place the straight-through pipe that needs to weld in the top of locating plate 2 down, after adjusting suitable position, through fixed plate 5 rotatory adjusting bolt 6, and drive through the effect of bearing (not annotate in the figure) and go up locating plate 7 and move down, adjust the centre gripping fixed to the straight-through pipe, and through the effect of anti-skidding rubber pad one 3, avoid fixed straight-through pipe to produce not hard up, place the return bend that needs welded between splint 11 and regulating roller 13 afterwards, then start cylinder 14 drives regulating roller 13 and moves to one side of splint 11, and according to the angle of return bend, make splint 11 compress to the adjusting spring 9 on the lateral wall through movable rod 8 different degree, and through the effect of spacing 17 and spacing groove 15, prevent movable rod 8 from rotating on the inner wall of through-hole 16, thereby influence the fixed effect of regulation centre gripping, when extrudeing to a certain degree to splint 11, thereby realize the regulation centre gripping fixed to the return bend, finally weld the junction to straight-through pipe and return bend.

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. An adjustable welding jig to return bend welding, its characterized in that: the adjustable welding fixture for elbow welding comprises:

the device comprises a base (1), wherein one side of the upper end of the base (1) is fixedly connected with a lower positioning plate (2) and a supporting plate (4), the upper end of the lower positioning plate (2) is provided with an upper positioning plate (7), and the supporting plate (4) is connected with an adjusting bolt (6);

the positioning frame (10) is fixedly connected to one end of the upper side wall of the base (1), an air cylinder (14) is arranged on the outer side wall of one end of the positioning frame (10), a connecting plate (19) is arranged at one end of the air cylinder (14), and the connecting plate (19) is fixedly connected with an adjusting roller (13); a kind of electronic device with high-pressure air-conditioning system

The clamping plate (11) is provided with a plurality of, and a plurality of clamping plates (11) are all located the inside of locating frame (10), and a plurality of all fixedly connected with movable rod (8) and adjusting spring (9) on the lateral wall of clamping plates (11), the one end that clamping plates (11) were kept away from to movable rod (8) is equipped with limiting plate (18).

2. An adjustable welding fixture for elbow welding according to claim 1, wherein: the support plate (4) is located on one side of the lower locating plate (2), and a fixing plate (5) is fixedly connected above the side wall of the support plate (4) close to one end of the lower locating plate (2).

3. An adjustable welding fixture for elbow welding according to claim 2, wherein: the fixing plate (5) is in threaded connection with the adjusting bolt (6), and the lower end of the adjusting bolt (6) is in rotary connection with the upper side wall of the upper positioning plate (7).

4. An adjustable welding fixture for elbow welding according to claim 1, wherein: the side walls of the lower locating plate (2) and the upper locating plate (7) which are opposite are arc-shaped, and the side walls of the lower locating plate (2) and the upper locating plate (7) which are opposite to the bottom are provided with anti-skid rubber pads I (3).

5. An adjustable welding fixture for elbow welding according to claim 1, wherein: the adjusting end of the air cylinder (14) transversely penetrates through the side wall of one end of the positioning frame (10) and is fixedly connected with the side wall of the connecting plate (19), and the connecting plate (19) is in a shape of .

6. An adjustable welding fixture for elbow welding according to claim 1, wherein: a plurality of through holes (16) are formed in the outer side wall, opposite to the air cylinder (14), of the positioning frame (10), the through holes (16) are respectively in one-to-one correspondence with the movable rods (8), and limit grooves (15) are formed in two sides of the inner wall of each through hole (16).

7. An adjustable welding fixture for elbow welding according to claim 1, wherein: the clamping plates (11) are arc-shaped, and the side walls of the clamping plates (11) close to one end of the adjusting roller (13) are fixedly connected with anti-slip rubber pads (12).

8. An adjustable welding fixture for elbow welding according to claim 6, wherein: the adjusting spring (9) is sleeved on the outer wall of the movable rod (8), one end, away from the clamping plate (11), of the adjusting spring (9) is fixedly connected with the inner side wall of the positioning frame (10), and limit strips (17) are arranged on two sides of the outer wall of the movable rod (8).

9. An adjustable welding fixture for elbow welding according to claim 8, wherein: the movable rod (8) is movably connected with the limiting groove (15) through the limiting strip (17), and one end, far away from the clamping plate (11), of the movable rod (8) transversely penetrates through the through hole (16) and is fixedly connected with the side wall of the limiting plate (18).