WO2023005019A1

WO2023005019A1 - Special-shaped steel pipe welding device

Info

Publication number: WO2023005019A1
Application number: PCT/CN2021/126655
Authority: WO
Inventors: 郭晓艳; 王微; 李贤平
Original assignee: 南京蹑波物联网科技有限公司
Priority date: 2021-07-27
Filing date: 2021-10-27
Publication date: 2023-02-02
Also published as: CN113579631A

Abstract

A special-shaped steel pipe welding device, comprising: a workbench, which comprises a working surface; a welding assembly, which is deposed on the working surface; a first clamping assembly, which is disposed on the working surface and located below the welding assembly, the first clamping assembly being provided with a first clamping space; and a second clamping assembly, which is disposed on a side of the first clamping assembly, the second clamping assembly being provided with a second clamping space provided opposite to the first clamping space. The first clamping assembly and the second clamping assembly clamp a workpiece at the same time, and the size or the relative position of the first clamping space and the second clamping space may be adjusted according to welding requirements during operation, achieving the accurate clamping of workpieces of different sizes and shapes.

Description

A special-shaped steel pipe welding device

technical field

The invention relates to the technical field of welding devices, in particular to a special-shaped steel pipe welding device.

Background technique

In some cases, two steel pipes need to be welded before they can be used. In order to align the welding joints of the two steel pipes, engineers have designed a variety of steel pipe welding and clamping equipment. For example, the publication number is CN111761289A, which discloses a clamping device for welding steel pipes. Two steel pipes to be welded are put into the clamping pipe, and the two steel pipes are clamped by adjusting four adjusting screws.

It can be seen from this that the size of the clamping pipe of the device has certain restrictions on the size of the steel pipes to be welded, and is not suitable for steel pipes of more sizes or special-shaped steel pipes.

technical problem

In order to solve the above problems, the present invention provides a special-shaped steel pipe welding device.

technical solution

A special-shaped steel pipe welding device, comprising: a workbench, including a work surface;

The welding assembly is arranged on the working surface; the first clamping assembly is arranged on the working surface and is located below the welding assembly; the first clamping assembly has a first clamping space; the second clamping The assembly is arranged on one side of the first clamping assembly; the second clamping assembly has a second clamping space opposite to the first clamping space; during work, adjust the first clamping space according to welding requirements The relative distance from the second clamping space realizes precise clamping of the workpiece.

In a further embodiment, the first clamping assembly includes: a horizontal electric push rod arranged on the working surface, a first clamping member connected to the horizontal electric push rod and having a first clamping surface, And a second clamping piece opposite to the first clamping surface and having a second clamping surface.

By adopting the above technical solution, the first clamping part can move laterally, and the size of the first clamping space formed with the second clamping part can be changed, which can be applied to clamp workpieces of different sizes.

In a further embodiment, the second clamping assembly includes: a vertical electric push rod arranged on the working surface, a third clamping rod connected to the vertical electric push rod and having a third clamping surface piece, and a fourth clamping piece opposite to the third clamping surface and having a fourth clamping surface.

By adopting the above technical solution, the distance between the third clamping part and the fourth clamping part can be adjusted, and workpieces with different diameters can be clamped.

In a further embodiment, the welding assembly includes: a support column arranged on the working surface, a horizontal electric screw screw module set at the top of the support column, and a horizontal electric screw screw module connected to the horizontal electric screw screw module. A vertical electric screw mandrel module, and a welding head arranged on the vertical electric screw mandrel module.

By adopting the above technical solution, the welding head can move vertically or horizontally, and the welding has more flexibility.

In a further embodiment, the first clamping member includes a mounting portion, a telescopic portion disposed inside the mounting portion and extending to the outside, and a clamping portion connected to the telescopic portion.

By adopting the above technical solution, the distance between the first clamping part and the second clamping part can be adjusted to realize the clamping of workpieces with different diameters

In a further embodiment, the clamping part has a receiving cavity, and several sets of elastic members are provided in the receiving cavity, each of the elastic members is correspondingly connected with a positioning column, and the positioning column extends to the clamping part external;

Several groups of elastic members and positioning columns form a positioning portion; the positioning portion can expand and contract to different degrees according to the surface curvature of the workpiece, so as to realize precise positioning of the workpiece.

By adopting the above technical solution, surface contact with workpieces of different shapes is realized, and the clamping effect is improved.

Beneficial effect

The first clamping component and the second clamping component clamp the workpiece at the same time, and the size or relative position of the first clamping space and the second clamping space can be adjusted according to the welding requirements during work, so as to achieve different sizes and Precise clamping of shaped workpieces.

Description of drawings

Fig. 1 is a structural schematic diagram of a welding device.

Fig. 2 is a schematic structural view of the first clamping member.

Fig. 3 is a schematic structural view of the clamping part in another embodiment.

In Figure 1 to Figure 3, each label is: horizontal electric push rod 1, first clamping part 2, second clamping part 3, vertical electric push rod 4, third clamping part 5, fourth clamping part 6 , support column 7, horizontal electric screw mandrel module 8, vertical electric screw mandrel module 9, welding head 10, mounting part 21, telescopic part 22, clamping part 23, positioning column 231.

Embodiments of the present invention

In order to solve the problems existing in the prior art, the applicant conducted an in-depth analysis on various existing solutions, as follows:

In some cases, two steel pipes need to be welded before they can be used. In order to align the welding joints of the two steel pipes, engineers have designed a variety of steel pipe welding and clamping equipment. For example, the publication number is CN111761289A, which discloses a clamping device for welding steel pipes. Two steel pipes to be welded are put into the clamping pipe, and the two steel pipes are clamped by adjusting four adjusting screws. This device has the following disadvantages:

First of all, due to the clamping method, the size of the clamping tube has a certain limit on the size of the steel pipe to be welded. If the size of the clamping tube exceeds the size of the clamping tube, it cannot be clamped; secondly, the adjusting screw is set in the clamping tube, which occupies a certain extent. The inner space of the holding pipe reduces the clamping space of the holding pipe; therefore, the holding device cannot be applied to steel pipes of different sizes or shapes.

To this end, the applicant proposes the following solutions. As shown in FIGS. 1 to 3 , this embodiment provides a special-shaped steel pipe welding device, including a workbench, a welding assembly, a first clamping assembly, and a second clamping assembly. The workbench includes a working surface, the welding assembly is installed on the working surface, the first clamping assembly is installed on the working surface and is located below the welding assembly, the first clamping assembly itself forms a first clamping space, and the second clamping assembly is installed On the side of the first clamping component, the second clamping component itself forms a second clamping space. When working, place the workpiece in the first clamping space and the second clamping space, and adjust the first clamping space and the second clamping space according to the curvature of the surface of the workpiece (or steel pipe) or the size of the workpiece The size, or the relative position of the first clamping space and the second clamping space, realize the precise clamping of workpieces of different sizes or shapes, so that the errors caused by the relative movement of the workpieces can be reduced when the workpieces are welded.

When the length of the steel pipe to be welded is long, it is necessary to adjust the position of the clamping force applied to the steel pipe, so:

In a further embodiment, the first clamping assembly includes a horizontal electric push rod 1 , a first clamping part 2 and a second clamping part 3 . The horizontal electric push rod 1 is arranged on the working surface, the first clamping part 2 is connected with the horizontal electric push rod 1, moves along with the movement of the horizontal electric push rod 1, the first clamping part 2 has a first clamping surface, The second clamping part 3 is opposite to the first clamping part 2, and the second clamping part 3 has a second clamping surface. The first clamping part 2 and the second clamping part 3 cooperate with each other to clamp the workpiece on both sides. The first clamping surface and the second clamping surface are in surface contact with the steel, the force on both sides of the steel pipe is the same, the clamping is more stable, and the first clamping space formed by the first clamping surface and the second clamping surface can be Move in the lateral direction to achieve precise clamping of the steel pipe according to the length of the steel pipe. In order to make the first clamping part 2 and the second clamping part 3 slide more smoothly, multiple sets of slide rails are arranged on the working surface, and the first clamping part 2 and the second clamping part 3 are respectively connected with the slide rails.

In some working conditions, the steel pipe is a special-shaped steel pipe with different diameters. In order to adjust the size of the first clamping space and the second clamping space according to the size of the steel pipe, the following technical solutions are designed:

In a further embodiment, the second clamping assembly includes a vertical electric push rod 4 , a third clamping piece 5 and a fourth clamping piece 6 . The vertical electric push rod 4 is installed on the working surface, the third clamping part 5 is connected with the vertical electric push rod 4, and moves with the movement of the vertical electric push rod 4, the third clamping part 5 has a third clamping surface, The fourth clamping part 6 is arranged on the opposite side of the third clamping part 5. The fourth clamping part 6 has a fourth clamping surface. The third clamping part 5 and the fourth clamping part 6 cooperate with each other to clamp the workpiece on both sides. The third clamping part 5 is connected with the slide rail, and moves more smoothly according to the vertical electric push rod 4, and the fourth clamping part 6 is fixed on the working surface. The size of the second clamping space formed by the third clamping part 5 and the fourth clamping part 6 can be changed, which is more suitable for steel pipes of different sizes or shapes.

In a further embodiment, the first clamping part 2 includes a mounting part 21, a telescopic part 22 and a clamping part 23, the mounting part 21 is provided with a mounting cavity, the telescopic part 22 is partly located in the mounting cavity, and the other part extends to the mounting part 21 , the clamping portion 23 is fixed on the telescopic portion 22 . The telescopic part 22 can be a telescopic sleeve or a telescopic rod. The telescopic part 22 drives the clamping part 23 to move, and adjusts the distance between the clamping part 23 and the second clamping part 3, thereby changing the size of the first clamping space. It can clamp steel pipes of different sizes, and the clamping effect is good.

In some working conditions, after the steel pipes are respectively fixed, when the welding head 10 performs welding, the position of the welding head 10 will not match the welding junction, and the position of the welding head 10 needs to be adjusted. Therefore:

In a further embodiment, the welding assembly includes a support column 7 , a horizontal electric screw screw module 8 , a vertical electric screw screw module 9 and a welding head 10 . The support column 7 is fixedly installed on the working surface, the horizontal electric screw rod module 8 is installed on the top of the support column 7, the vertical electric screw rod module 9 is installed on the horizontal electric screw rod membrane group, and the horizontal electric screw rod membrane group works , drive the vertical electric screw mandrel membrane group to move horizontally, the welding head 10 is installed on the vertical electric screw mandrel module 9, and the vertical electric screw mandrel module 9 drives the welding head 10 to move vertically when it is working. The welding joint 10 is a laser welding joint or an electric welding joint. The welding head 10 can move horizontally or vertically to realize precise welding of steel pipes, and the welding flexibility is higher.

In some working conditions, the shape of the steel pipe is not a standard circle or square, and it is difficult for the clamping surface of the clamp to contact the steel pipe surface, thereby reducing the clamping effect. Therefore:

In a further embodiment, the clamping part 23 also has a receiving cavity, and several sets of elastic members are installed in the receiving cavity. part 23 of the exterior. Several groups of elastic parts and the positioning column 231 form a positioning part, which can expand and contract to different degrees according to the surface shape or curvature of the steel pipe, maintain surface contact with the steel pipe, and realize precise positioning of the steel pipe.

It works as follows:

Start the horizontal electric push rod 1, adjust the position of the first clamping part 2, and then adjust the position of the second clamping part 3 according to the position of the first clamping part 2, and adjust the telescopic part 22 according to the special-shaped steel pipe a to be welded. Adjust so that the size of the first clamping space is adapted to the special-shaped steel pipe a; start the vertical electric push rod 4, adjust the position of the third clamping member 5, and adjust the second according to the size of the special-shaped steel pipe b to be welded The size of the clamping space is adjusted so that the special-shaped steel pipe a and the special-shaped steel pipe b are respectively clamped in the first clamping part 2 and the second clamping part 3, and the welding device is started to weld the special-shaped steel pipe a and the special-shaped steel pipe b.

The preferred embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the specific details in the above embodiments, and within the scope of the technical concept of the present invention, various equivalent transformations are performed on the technical solutions of the present invention, these Equivalent transformations all belong to the protection scope of the present invention.

Claims

A special-shaped steel pipe welding device is characterized in that it includes:

a workbench, including a work surface;

Welding components are arranged on the working surface;

The first clamping component is arranged on the working surface and located below the welding component; the first clamping component has a first clamping space;

The second clamping component is arranged on one side of the first clamping component; the second clamping component has a second clamping space opposite to the first clamping space;

When working, adjust the relative distance between the first clamping space and the second clamping space according to the welding requirements, so as to achieve precise clamping of the workpiece.
A special-shaped steel pipe welding device according to claim 1, characterized in that:

The first clamping assembly includes:

The horizontal electric push rod arranged on the working surface, the first clamping member connected with the horizontal electric push rod and having a first clamping surface, and the second clamping member opposite to the first clamping surface and having a second Second clamping part of the clamping face.
A special-shaped steel pipe welding device according to claim 1, characterized in that:

The second clamping assembly includes:

A vertical electric push rod arranged on the working surface, a third clamping member connected to the vertical electric push rod and having a third clamping surface, and a fourth clamping member opposite to the third clamping surface The fourth clamping part of the clamping surface.
A special-shaped steel pipe welding device according to claim 1, characterized in that:

The welding assembly includes:

The support column arranged on the working surface, the horizontal electric screw screw module set on the top of the support column, the vertical electric screw screw module connected with the horizontal electric screw screw module, and the The welding head on the vertical electric screw module.
A special-shaped steel pipe welding device according to claim 2, characterized in that:

The first clamping member includes a mounting portion, a telescopic portion disposed inside the mounting portion and extending to the outside, and a clamping portion connected to the telescopic portion.
A special-shaped steel pipe welding device according to claim 5, characterized in that:

The clamping part has an accommodation cavity, and several groups of elastic members are arranged in the accommodation cavity, each of the elastic members is correspondingly connected with a positioning column, and the positioning column extends to the outside of the clamping part;

Several groups of elastic members and positioning columns form a positioning portion; the positioning portion can expand and contract to different degrees according to the surface curvature of the workpiece, so as to realize precise positioning of the workpiece.