CN213289288U

CN213289288U - Pipe fitting welding stent

Info

Publication number: CN213289288U
Application number: CN202021927621.1U
Authority: CN
Inventors: 李亚
Original assignee: Wuhu Shunwei Intelligent Technology Co ltd
Current assignee: Wuhu Shunwei Intelligent Technology Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-05-28
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a pipe welding support, which comprises a workbench, and a centering support frame group and a rotating pipe assembly which are arranged on the workbench, wherein the centering support frame group can be lifted along the vertical direction, the pipe group is arranged above the centering support frame group, the rotating pipe assembly comprises a rotary mounting seat and rotating rollers, the rotary mounting seat is arranged at two sides of the workbench, two groups of the rotating rollers are symmetrically arranged between the rotary mounting seat, the rotating rollers and the pipe group extend in parallel, the distance between the inner side walls of the two groups of the rotating rollers is smaller than the diameter of the pipe group, the centering support frame group can pass through the two groups of the rotating rollers in the lifting process, the middle part of the rotating rollers is provided with annular welding grooves which correspond to the welding seam position of the pipe group, two rotating rollers are driven by a power device to synchronously rotate along respective rotating shafts, the utility model can improve the flexibility ratio of the position adjustment of the pipe group, the welding efficiency of pipe fitting is improved.

Description

Pipe fitting welding stent

Technical Field

The utility model relates to a welding stent technical field, concretely relates to pipe fitting welding stent.

Background

In the existing welding of large metal pipe fittings, two pipe fittings for welding are generally supported by a welding support, so that the welding parts of the pipe fittings are positioned on the same axis. However, the above method still has the following defects:

(1) since the pipe is usually supported by a plurality of brackets, the position adjustment of the pipe is usually accompanied by the position adjustment of a plurality of brackets, even a part of the brackets are caused to topple, so that the flexible adjustment of the pipe is not facilitated;

(2) because the pipe diameter is great, after welding the pipe wall of one side, the welder usually need to walk around to the opposite side of pipe fitting and accomplish the welding of remaining part pipe fitting, and the welding process is loaded down with trivial details, to the welding of pipe fitting below, also because the restriction of angle, has increased the welded degree of difficulty.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a pipe fitting welding stent to solve the above-mentioned defect among the prior art.

The utility model provides a pipe fitting welding stent, includes the workstation and installs centering support group and commentaries on classics pipe assembly on the workstation, centering support group can go up and down along vertical direction, and the nest of tubes is placed centering support group top, the commentaries on classics pipe assembly includes rotatory mount pad and live-rollers, and the both sides at the workstation are installed to rotatory mount pad, and are two sets of live-rollers symmetry is installed between rotatory mount pad, the live-rollers with the direction that the nest of tubes extends is parallel to each other, and the distance between two sets of live-rollers inside wall is less than the diameter of nest of tubes, and centering support group goes up and down the in-process and can pass through between two sets of live-rollers, and the annular weld groove that corresponds each other with nest of tubes weld position is seted up at the middle part of live-rollers, two the live-rollers.

Preferably, the centering support frame group comprises a connecting bottom plate, a plurality of lifting cylinders and Y-shaped pipe forks, the connecting bottom plate is parallel to the pipe group and is arranged between the two groups of rotating rollers, the lifting cylinders are slidably arranged on the connecting bottom plate, one Y-shaped pipe fork is arranged above each lifting cylinder, two side walls of the lower part of the pipe group are tangent to the inner walls of the two supporting forks of the Y-shaped pipe fork, and the two supporting forks are symmetrically arranged.

Preferably, power device includes belt, belt pulley and motor, all install in the both ends pivot of live-rollers the belt pulley is located two of homonymy connect through the belt between the belt pulley, one of them motor drive is passed through in the pivot rotatory.

Preferably, be provided with the slide rail on the connecting bottom plate, the inside slidable mounting of slide rail has two sliders, and lift cylinder uses the annular weld groove to install on corresponding slider as boundary line equidistance.

Preferably, the surface of the rotating roller is provided with a circle of friction pads.

The utility model has the advantages of as follows:

(1) the utility model divides a plurality of Y-shaped tube forks into two groups fixedly connected on the sliding block, two tube fittings of the tube group are respectively placed on the Y-shaped tube forks of different groups, when the position of the tube fitting is adjusted or butted, the sliding block where the tube fitting is positioned is wholly moved, and the flexibility of adjusting the position of the tube fitting is improved;

(2) the utility model discloses utilize the commentaries on classics pipe assembly, make the pipe fitting of nest of tubes can take place rotatoryly along the axle center in the welded, the welder can weld the weld joint position of nest of tubes at fixed position, improves welded efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the centering support group of the present invention;

FIG. 3 is a schematic side view of the present invention (when the tube set is not in contact with the tube rotating assembly);

fig. 4 is a schematic side sectional view (when the pipe assembly is in contact with the rotating pipe assembly) of the present invention.

In the figure:

1-a workbench; 2-centering support frame group; 3-a rotating pipe assembly; a 10-tube set; 20-welding a seam;

201-connecting the bottom plate; 202-a lifting cylinder; 203-Y type pipe fork; 204-support fork; 205-a slide rail; 206-a slider;

301-rotating mount; 302-a turning roll; 303-annular weld groove; 304-a belt; 305-a pulley; 306-a motor; 307-a rotating shaft; 308-friction pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, the utility model provides a pipe welding support, it can improve the flexibility ratio of nest of tubes position control, improves the welding efficiency of pipe fitting. Specifically, the method comprises the following steps:

the welding support comprises a workbench 1, and a centering support group 2 and a rotating pipe assembly 3 which are arranged on the workbench 1, wherein the centering support group 2 can lift along the vertical direction, and a pipe assembly 10 is arranged above the centering support group 2. The centering support frame group 2 comprises a connecting bottom plate 201, a plurality of lifting cylinders 202 and Y-shaped tube forks 203, the connecting bottom plate 201 is parallel to the tube group 10 and is arranged between two groups of rotating rollers 302, the lifting cylinders 202 are slidably arranged on the connecting bottom plate 201, one Y-shaped tube fork 203 is arranged above the lifting cylinders 202, two side walls of the lower portion of the tube group 10 are tangent to the inner walls of two supporting forks 204 of the Y-shaped tube forks 203, and the two supporting forks 204 are symmetrically arranged. It is ensured that tube set 10 can be positioned at the center of Y-tube yoke 203.

In order to facilitate the adjustment of the position of the pipe group 10, the connecting base plate 201 is provided with a slide rail 205, two slide blocks 206 are slidably mounted inside the slide rail 205, and the lifting cylinders 202 are equidistantly mounted on the corresponding slide blocks 206 by taking the annular welding grooves 303 as boundary lines. The two pipes of the pipe set 10 for welding are placed on the Y-shaped pipe forks 203 on both sides of the parting line, respectively.

The rotating pipe assembly 3 comprises a rotating installation seat 301 and rotating rollers 302, the rotating installation seat 301 is installed on two sides of the workbench 1, two groups of rotating rollers 302 are symmetrically installed between the rotating installation seat 301, the extending directions of the rotating rollers 302 and the pipe group 10 are parallel to each other, the distance between the inner side walls of the two groups of rotating rollers 302 is smaller than the diameter of the pipe group 10, the centering support group 2 can pass through the two groups of rotating rollers 302 in the lifting process, and the middle part of the rotating rollers 302 is provided with annular welding grooves 303 corresponding to the positions of the welding seams 20 of the pipe group 10, so that the positioning of pipe fittings at the welding positions is facilitated on one hand; on the other hand, a favorable operating angle can be provided for the welder.

The two rotating rollers 302 are driven by a power device to rotate synchronously along respective rotating shafts 307.

The power device comprises a belt 304, belt pulleys 305 and a motor 306, wherein the belt pulleys 305 are mounted on rotating shafts 307 at two ends of the rotating roller 302, the two belt pulleys 305 positioned on the same side are connected through the belt 304, and one of the rotating shafts 307 is driven to rotate through the motor 306.

The surface of the rotating roller 302 is provided with a ring of friction pads 308. Turning rollers 302 may be made to have sufficient friction to drive tube set 10 into rotation tangential to its surface.

The utility model discloses the theory of operation of device is:

firstly, placing a pipe group:

as shown in fig. 3, the two tubes of the tube set 10 are placed on the Y-shaped tube fork 203 on both sides of the boundary line of the circular weld groove 303 with the Y-shaped tube fork 203 raised, and the positions of the two sliders 206 are adjusted along the slide rails 205 until the welding ends of the two tubes of the tube set 10 are butted. At this time, the two sliding blocks 206 are fixed relative to the sliding rail 205 by a locking member (not shown), so as to prevent the pipe from moving freely along with the sliding blocks 206. The locking element here can be a conventional locking nut.

Secondly, rotationally welding a pipe group:

as shown in fig. 4, the lifting cylinder 202 is activated to drive the Y-tube fork 203 to lift the tube member thereon, and since the distance between the inner side walls of the two sets of rotating rollers 302 is smaller than the diameter of the tube group 10, the two side walls of the tube group 10 above the two sets of rotating rollers 302 will eventually contact and tangent with the surfaces of the rotating rollers 302 during the lifting process, and the Y-tube fork 203 will continue to be lifted off the lower end of the tube group 10. The welder can weld the position of the weld joint 20 at one side of the annular welding groove 303, after welding a certain area, the motor 306 is started, the two sets of rotating rollers 302 synchronously rotate under the driving action of the belt 304 and the belt pulley 305, and the tube group 10 between the two sets of rotating rollers 302 radially rotates along the axial center under the action of the surface friction force of the rotating rollers 302. A welder can weld a circle of pipe fittings of the pipe group 10 at the same side welding station, and the welding efficiency is improved.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A pipe fitting welding stent which characterized in that: including workstation (1) and install centering support frame group (2) and commentaries on classics pipe assembly (3) on workstation (1), centering support frame group (2) can go up and down along vertical direction, and nest of tubes (10) are placed centering support frame group (2) top, commentaries on classics pipe assembly (3) are including rotatory mount pad (301) and live-rollers (302), and rotatory mount pad (301) are installed in the both sides of workstation (1), and two sets of live-rollers (302) symmetry is installed between rotatory mount pad (301), live-rollers (302) with the direction that nest of tubes (10) extend is parallel to each other, and the distance between two sets of live-rollers (302) inside wall is less than the diameter of nest of tubes (10), and centering support frame group (2) lift in-process can pass through between two sets of live-rollers (302), and the annular weld groove (303) that correspond each other with nest of tubes (10) position are seted up in the middle part of live-rollers (302), the two rotating rollers (302) are driven by a power device to rotate synchronously along respective rotating shafts (307).

2. A pipe welding stent as defined in claim 1, wherein: centering support group (2) is including connecting bottom plate (201), lift cylinder (202) and Y type pipe fork (203), connects bottom plate (201) and is on two sets of live-rollers (302) between being on a parallel with nest of tubes (10), a plurality of lift cylinder (202) slidable mounting is on connecting bottom plate (201), and one is all installed to the top of lift cylinder (202) Y type pipe fork (203), and the lower both sides wall of nest of tubes (10) is tangent with the inner wall of two support forks (204) of Y type pipe fork (203), two support fork (204) mutual symmetry setting.

3. A pipe welding stent as defined in claim 1, wherein: the power device comprises a belt (304), belt pulleys (305) and a motor (306), wherein the belt pulleys (305) are mounted on rotating shafts (307) at two ends of the rotating roller (302), the two belt pulleys (305) positioned at the same side are connected through the belt (304), and one of the rotating shafts (307) is driven to rotate through the motor (306).

4. A pipe welding stent as defined in claim 2, wherein: be provided with slide rail (205) on connecting bottom plate (201), the inside slidable mounting of slide rail (205) has two slider (206), and lift cylinder (202) use annular weld groove (303) to install on corresponding slider (206) as boundary line equidistance.

5. A pipe welding stent as defined in claim 1, wherein: the surface of the rotating roller (302) is provided with a circle of friction pads (308).