CN215658603U

CN215658603U - Positioning welding equipment for seamless steel pipe

Info

Publication number: CN215658603U
Application number: CN202122149895.3U
Authority: CN
Inventors: 刘金强; 刘凤然; 齐玉卫; 崔超
Original assignee: Cangzhou Haotexin Pipeline Manufacturing Co ltd
Current assignee: Cangzhou Haotexin Pipeline Manufacturing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-28
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to the technical field of welding equipment, in particular to positioning welding equipment for a seamless steel pipe, which comprises an underframe, fixing structures and adjusting and positioning structures, wherein supporting plates are arranged at two ends of the underframe, the underframe is fixedly connected with the supporting plates, the upper end of each supporting plate is provided with a fixing structure, the supporting plates are fixedly connected with the fixing structures, the adjusting and positioning structures are arranged between the two fixing structures, and each fixing structure is movably connected with the adjusting and positioning structures through a fixing shaft. This positioning welding equipment simple structure, convenient operation realizes seamless steel pipe's accurate regulation positioning welding and once welds completely, need not secondary positioning welding, and the practicality is good.

Description

Positioning welding equipment for seamless steel pipe

Technical Field

The utility model relates to the technical field of welding equipment, in particular to positioning welding equipment for a seamless steel pipe.

Background

In the fields of machinery, ships, chemical engineering and the like, the butt welding of a large number of seamless steel pipes is involved. In some occasions of using the seamless steel pipes, the requirement on the butt joint precision of the seamless steel pipes is high. For example, a chemical boat is made of a large number of heating pipes made of 316L stainless steel and with the size phi of 60.3 multiplied by 2.8, the requirement for welding alignment of the pipes is extremely high, the design requirement is that the butt joint dislocation cannot exceed 0.2mm, and 10 percent of welding seams are sampled and photographed. If the conventional pipe system manufacturing method (namely, the pipe is supported by the angle iron, and the lower end is manually adjusted and corrected) is adopted, not only is the time consumed, but also the butt joint quality cannot meet the design requirement.

Authorization notice number: CN109986276A, the utility model relates to an auxiliary equipment for tubular product welding. The rotary support device comprises a rotary support device, a first sliding base and a second sliding base which are arranged at the edges of two sides of a base and take the edges as sliding rails, a bottom plate is arranged between the first sliding base and the second sliding base, two parallel limiting side plates are arranged on the upper surface of the bottom plate, the rotary support device also comprises a first support arm group and a second support arm group, a first support roller is arranged at the top of the first support arm group, a first articulated shaft is arranged in the middle of the first support arm group, a second support roller is arranged at the top of the second support arm group, a second articulated shaft is arranged in the middle of the second support arm group, and the bottoms of the two support arm groups are positioned between the limiting side plates; the middle parts of the two articulated shafts are provided with threaded holes which are radially communicated, and the two articulated shafts also comprise positive and negative screw rods, wherein positive spiral parts of the positive and negative screw rods are positioned in the threaded holes of the first articulated shaft, and negative spiral parts of the positive and negative screw rods are positioned in the threaded holes of the second articulated shaft; the middle part of the bottom plate is also provided with a vertical shaft sleeve and a connecting rod with a sleeve at the top, the sleeve is positioned in the middle part of the positive and negative screw rods, and the connecting rod is inserted in the shaft sleeve. However, the above patents still have the following problems:

(1) the lower end of the seamless steel pipe is conventionally supported by angle iron, and the seamless steel pipe is manually adjusted and corrected, thereby wasting time and labor.

(2) The welding of seamless steel pipes often requires high precision, and manual positioning welding cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides positioning welding equipment for a seamless steel pipe, which is used for solving the problems that the conventional angle iron for supporting the lower end of the seamless steel pipe in the prior art is manually adjusted and corrected, time and labor are wasted, the welding of the seamless steel pipe is often high in required precision, manual positioning welding cannot be met and the like.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a fixed position welding equipment for seamless steel pipe, includes chassis, fixed knot constructs and adjusts location structure, both ends all are equipped with the extension board on the chassis, just chassis and extension board fixed connection, every the extension board upper end is equipped with fixed knot constructs, just extension board and fixed knot construct fixed connection, two be equipped with between the fixed knot structure and adjust location structure, and every fixed knot constructs through the fixed axle and adjusts location structure swing joint.

Preferably, adjust location structure including adjusting runner, connecting plate and location axle, the connecting plate middle part is equipped with the location axle, just connecting plate and location axle fixed connection, the connecting plate left end is equipped with the regulation runner, just connecting plate and regulation runner swing joint, connecting plate right-hand member upper surface is equipped with the regulation handle, just connecting plate and regulation handle fixed connection.

Preferably, location epaxial end is equipped with the welding bench, just location axle and welding bench fixed connection, the welding bench upper surface is equipped with the fixed plate, just welding bench and fixed plate fixed connection.

Preferably, the fixed plate upper surface is equipped with the weld holder, just fixed plate and weld holder fixed connection, the weld holder rear end is equipped with the control and rotates the ware, just control and rotate ware and fixed plate fixed connection.

Preferably, the welding frame is internally provided with a rotating column, the welding frame is movably connected with the rotating column, and the rear end of the rotating column is fixedly connected with the control rotator.

Preferably, the front end of the rotating column is provided with a plurality of clamps, the rotating column is connected with each clamp in a sliding mode, the inner wall of each clamp is provided with a frosting surface, and the clamps are fixedly connected with the frosting surfaces.

Compared with the prior art, the utility model has the following beneficial effects: the seamless steel tube can be fixed by using the clamp, and accurate adjustment, positioning and welding are realized; the adjusting and positioning structure is arranged, and the adjusting rotating wheel is matched with the adjusting handle to enable the whole welding table to be accurately adjusted and positioned without manual correction and adjustment at one time; the rotating column is arranged in the welding frame, so that the welding frame can automatically roll during welding, complete welding is realized, and secondary positioning is not needed; this positioning welding equipment simple structure, convenient operation realizes seamless steel pipe's accurate regulation positioning welding and once welds completely, need not secondary positioning welding, and the practicality is good.

Drawings

FIG. 1 is a schematic perspective view of a tack welding apparatus for seamless steel pipes according to an embodiment of the present invention;

FIG. 2 is a schematic front view of a welding apparatus for seamless steel pipes according to an embodiment of the present invention;

FIG. 3 is a schematic side view of a welding apparatus for seamless steel pipes according to an embodiment of the present invention;

reference numerals referred to in the drawings are:

the device comprises an underframe 1, a support plate 2, a fixing structure 3, an adjusting and positioning structure 4, a welding table 5, a fixing plate 6, a welding frame 7, a control rotator 8, a rotating column 9, a clamp 10, a frosted surface 101, an adjusting rotating wheel 41, a connecting plate 42, a positioning shaft 43, an adjusting handle 44 and a fixing shaft 31.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described in conjunction with the accompanying drawings and examples:

example one

As shown in fig. 1-3, a fixed position welding device for seamless steel pipes comprises an underframe 1, fixing structures 3 and adjusting and positioning structures 4, wherein support plates 2 are arranged at two ends of the underframe 1, the underframe 1 is fixedly connected with the support plates 2, the fixing structure 3 is arranged at the upper end of each support plate 2, the support plates 2 are fixedly connected with the fixing structures 3, the adjusting and positioning structures 4 are arranged between the two fixing structures 3, and each fixing structure 3 is movably connected with the adjusting and positioning structure 4 through a fixing shaft 31.

Adjust location structure 4 including adjusting runner 41, connecting plate 42 and location axle 43, and connecting plate 42 middle part is equipped with location axle 43, and connecting plate 42 and location axle 43 fixed connection, and the connecting plate 42 left end is equipped with adjusts runner 41, and connecting plate 42 and adjust runner 41 swing joint, and connecting plate 42 right-hand member upper surface is equipped with adjustment handle 44, and connecting plate 42 and adjustment handle 44 fixed connection.

Location axle 43 upper end is equipped with welding bench 5, and location axle 43 and welding bench 5 fixed connection, and welding bench 5 upper surface is equipped with fixed plate 6, and welding bench 5 and fixed plate 6 fixed connection.

The upper surface of the fixed plate 6 is provided with a welding frame 7, the fixed plate 6 is fixedly connected with the welding frame 7, the rear end of the welding frame 7 is provided with a control rotator 8, and the control rotator 8 is fixedly connected with the fixed plate 6.

Example two

The inside rotation post 9 that is equipped with of welding jig 7, and welding jig 7 and rotation post 9 swing joint rotate post 9 rear end and control rotor 8 fixed connection.

The front end of the rotating column 9 is provided with a plurality of clamps 10, the rotating column 9 is connected with each clamp 10 in a sliding mode, the inner wall of each clamp 10 is provided with a frosting surface 101, and the clamps 10 are fixedly connected with the frosting surfaces 101.

The advantages of the second embodiment over the first embodiment are: the rotating column 9 is arranged in the welding frame 7, so that the seamless steel pipe is rotated during welding, and comprehensive welding is realized; the inner wall of the clamp 10 is provided with a frosted surface 101, so that the friction force is increased, and the seamless steel pipe can be fixed more firmly.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art, and it will be appreciated by those skilled in the art that the present invention has been made available to those skilled in the art after the filing date or priority date, and that the present invention may be implemented by those skilled in the art by applying ordinary skill in the art, without departing from the spirit and scope of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a fixed-position welding equipment for seamless steel pipe which characterized in that: including chassis (1), fixed knot construct (3) and regulation location structure (4), both ends all are equipped with extension board (2) on chassis (1), just chassis (1) and extension board (2) fixed connection, every extension board (2) upper end is equipped with fixed knot construct (3), just extension board (2) and fixed knot construct (3) fixed connection, two be equipped with between fixed knot construct (3) and adjust location structure (4), and every fixed knot construct (3) through fixed axle (31) and adjust location structure (4) swing joint.

2. The tack welding apparatus for seamless steel pipes according to claim 1, wherein: adjust location structure (4) including adjusting runner (41), connecting plate (42) and location axle (43), connecting plate (42) middle part is equipped with location axle (43), just connecting plate (42) and location axle (43) fixed connection, connecting plate (42) left end is equipped with adjusts runner (41), just connecting plate (42) and regulation runner (41) swing joint, connecting plate (42) right-hand member upper surface is equipped with adjustment handle (44), just connecting plate (42) and adjustment handle (44) fixed connection.

3. A tack welding apparatus for seamless steel pipes according to claim 2, wherein: location axle (43) upper end is equipped with welding bench (5), just location axle (43) and welding bench (5) fixed connection, welding bench (5) upper surface is equipped with fixed plate (6), just welding bench (5) and fixed plate (6) fixed connection.

4. A tack welding apparatus for seamless steel pipes according to claim 3, wherein: fixed plate (6) upper surface is equipped with welding frame (7), just fixed plate (6) and welding frame (7) fixed connection, welding frame (7) rear end is equipped with control rotating device (8), just control rotating device (8) and fixed plate (6) fixed connection.

5. The tack welding apparatus for seamless steel pipes according to claim 4, wherein: the welding frame (7) is internally provided with a rotating column (9), the welding frame (7) is movably connected with the rotating column (9), and the rear end of the rotating column (9) is fixedly connected with the control rotator (8).

6. The tack welding apparatus for seamless steel pipes according to claim 5, wherein: rotate post (9) front end and be equipped with a plurality of anchor clamps (10), just rotate post (9) and every anchor clamps (10) sliding connection, every anchor clamps (10) inner wall is equipped with frosting (101), just anchor clamps (10) and frosting (101) fixed connection.