CN209886870U

CN209886870U - Welding device for straight seam steel pipe

Info

Publication number: CN209886870U
Application number: CN201920523082.6U
Authority: CN
Inventors: 季晔; 武亚平
Original assignee: Luoyang Institute of Science and Technology
Current assignee: Luoyang Institute of Science and Technology
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-03
Anticipated expiration: 2029-04-17

Abstract

The utility model relates to a steel pipe production facility field, specific welding set for straight seam steel pipe that says so. Comprises a frame, a working panel arranged on the frame and a welding component arranged on the working panel in a sliding way; offer on the work panel with treat the constant head tank that the welding seam on the welded straight seam steel pipe corresponds, the welding subassembly is including sliding the slide that sets up in the constant head tank, the upper end of slide distributes in the constant head tank top and fixes and be equipped with welder, the lower extreme of spout distributes in the constant head tank below and fixes and be equipped with the nut, be equipped with in the frame with the lead screw of nut cooperation installation with be used for driving lead screw pivoted motor. The utility model discloses in the inboard welding seam welding of transversal joint steel pipe, do not occupy the inside too much space of steel pipe, avoid the space restriction influence, the welded production of specially adapted tubule footpath transversal joint steel pipe.

Description

Welding device for straight seam steel pipe

Technical Field

The utility model relates to a steel pipe production facility field, specific welding set for straight seam steel pipe that says so.

Background

In the production and manufacture of the straight seam steel pipe, firstly, a steel strip or a steel plate is processed and deformed into a round shape, a square shape or other shapes in a bending mode, and then welding and fixing welding seams formed on two sides of the steel strip or the steel strip, namely the straight seam steel pipe is manufactured. In some working conditions, the inside of the weld joint is required to be welded, and then the weld joint is required to be welded from the inside of the straight seam steel pipe. In the prior art, a seam tracking-pipeline inner wall straight seam submerged arc welding machine is developed aiming at the welding requirement, but the device needs to occupy larger space in a steel pipe, the use condition is obviously limited by space, the research and development cost is higher, and the production and processing of the straight seam steel pipe are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a welding set for transversal joint steel pipe does not occupy the inside too much space of steel pipe, avoids the space restriction influence.

In order to solve the technical problem, the utility model discloses a technical scheme be: a welding device for straight seam steel pipes comprises a rack, a working panel arranged on the rack and a welding assembly arranged on the working panel in a sliding manner; offer on the work panel with treat the constant head tank that the welding seam on the welded straight seam steel pipe corresponds, the welding subassembly is including sliding the slide that sets up in the constant head tank, the upper end of slide distributes in the constant head tank top and fixes and be equipped with welder, the lower extreme of spout distributes in the constant head tank below and fixes and be equipped with the nut, be equipped with in the frame with the lead screw of nut cooperation installation with be used for driving lead screw pivoted motor.

Preferably, be equipped with the positioning mechanism who is used for the fixed straight seam steel pipe of treating welding of centre gripping on the frame, positioning mechanism supports including fixing in the frame and a plurality of clamping that are located the constant head tank both sides, all sets up the bolt hole of perpendicular to constant head tank on the clamping supports, and positioning bolt is installed in the bolt hole cooperation, and positioning bolt rotates towards the one end of constant head tank and is connected with the location briquetting.

Preferably, the positioning pressing blocks are rectangular blocks, so that the positioning pressing blocks positioned on the two sides of the positioning groove are matched with each other and used for clamping square straight seam steel pipes to be welded.

Preferably, the positioning pressing blocks are wedge-shaped blocks, so that the positioning pressing blocks positioned on the two sides of the positioning groove are matched with each other and used for clamping the circular straight seam steel pipe to be welded.

Preferably, the two ends of the screw rod are respectively and rotatably arranged in shaft seats fixed on the rack, and the motor is fixed with one of the shaft seats.

Preferably, the sliding plate is provided with a wire feeding hole for connecting the welding wire with the welding gun.

Advantageous effects

The utility model discloses simple structure easily realizes, in the inside welding process of straight seam steel pipe welding seam, only the soldering turret tip stretches into the inner chamber of straight seam steel pipe, does not excessively occupy the steel pipe inner space, and service conditions is limited less, is applicable to the inside weld of small-bore straight seam steel pipe welding seam.

The utility model provides a welding subassembly passes through motor-lead screw-nut drive, makes welding subassembly at the uniform velocity of weld along the transversal joint steel pipe to accomplish the welding seam welding in the removal, it is easy and simple to handle, welding efficiency is high.

The utility model discloses an among the preferred embodiment, still be equipped with in the frame and be used for the location to treat the positioning mechanism of welding straight seam steel pipe, the location briquetting among the positioning mechanism can be rectangle, wedge or other shapes for the fixed square steel pipe of centre gripping, circular steel pipe or other types of steel pipe, has guaranteed to treat the stability of welding straight seam steel pipe in welding process.

Drawings

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

FIG. 2 is a schematic perspective view of a square steel pipe to be welded with straight seam;

FIG. 3 is a top view of a table portion of the present invention;

FIG. 4 is a schematic perspective view of a welded assembly according to the present invention;

the labels in the figure are: 1. the device comprises a positioning mechanism, 101, a positioning bolt, 102, a clamping support, 103, a positioning pressing block, 2, a straight seam steel pipe to be welded, 3, a welding seam, 4, a positioning groove, 5, a welding assembly, 501, a welding gun, 502, a sliding plate, 503, a wire penetrating hole, 504, a nut, 6, a working panel, 7, a shaft seat, 8, a motor, 9, a lead screw, 10 and a rack.

Detailed Description

As shown in fig. 1, the utility model discloses a welding set for straight seam steel pipe, including frame 10, the work panel 6 of setting on frame 10 and the welding 5 of slip setting on work panel 6.

As shown in fig. 3, the work panels 6 are rectangular and horizontally distributed on the rack 10. The center of the working panel 6 is provided with a positioning groove 4 distributed along the length direction of the working panel 6. The length of the positioning groove 4 is greater than that of the straight seam steel pipe 2 to be welded, and the positioning groove 4 is used for aligning the positioning groove 4 with a welding seam 3 (shown in figure 2) on the straight seam steel pipe 2 to be welded after the straight seam steel pipe 2 to be welded is placed on the working panel 6, so that the welding part 5 slides along the length direction of the positioning groove 4, and the welding of the welding seam 3 is completed in the sliding process.

As shown in fig. 4, the welding member 5 of the present invention includes a sliding plate 502 slidably disposed in the positioning groove 4, and a welding gun 501 and a nut 504 fixed to the sliding plate 502, respectively. The middle part of the sliding plate 502 is in sliding fit with the positioning groove 4; the upper end of the sliding plate 502 is distributed above the positioning groove 4 and fixed with the welding gun 501, the welding gun 501 is in an inverted U shape, one end of the welding gun 501 is fixed with the sliding plate 502, and the other end of the welding gun 501 is bent downwards and serves as a working end for welding a welding seam 3; the lower end of the chute is distributed below the positioning groove 4 and is fixedly provided with a nut 504, a lead screw 9 which is arranged in a matching way with the nut 504 and a motor 8 which is used for driving the lead screw 9 to rotate are also arranged below the working panel 6 on the frame 10, the nut 504, the sliding plate 502 and the welding gun 501 are driven to synchronously slide through the rotation of the lead screw 9, and the welding is completed in the sliding process. Two ends of the screw 9 are respectively and rotatably arranged in shaft seats 7 fixed on the frame 10, and the motor 8 is fixed with one shaft seat 7. Slide plate 502 is also provided with a wire feed hole 503 for connecting a welding wire to welding gun 501.

In this embodiment, a positioning mechanism 1 for clamping and fixing the to-be-welded straight seam steel pipe 2 is further provided on the frame 10. Positioning mechanism 1 supports 102 including fixing in frame 10 and being located a plurality of clamping of constant head tank 4 both sides, the bolt hole of perpendicular to constant head tank 4 has all been seted up on clamping supports 102, positioning bolt 101 is installed in the bolt hole cooperation, positioning bolt 101 is connected with location briquetting 103 towards the one end of constant head tank 4, location briquetting 103 slides and sets up in frame 10, and rotate with positioning bolt 101 and be connected, the realization is rotated positioning bolt 101 and is moved with promotion or pulling location briquetting 103 orientation or 4 directions of constant head tank mutually, reach the fixed purpose of treating welded straight seam steel pipe 2 of centre gripping.

The positioning pressing block 103 can be a rectangular block, so that the positioning pressing blocks 103 positioned at two sides of the positioning groove 4 are mutually matched and used for clamping the square straight seam steel pipe 2 to be welded. The positioning pressing blocks 103 are also wedge-shaped blocks, so that the positioning pressing blocks 103 positioned at two sides of the positioning groove 4 are mutually matched to form a V-shaped groove and are used for clamping the circular straight seam steel pipe 2 to be welded. The positioning pressing block 103 can also be designed into other shapes so as to be suitable for clamping and fixing the straight seam steel pipe 2 to be welded in other shapes.

In the specific implementation of the utility model, firstly, the steel pipe 2 to be welded is placed on the working panel 6 in a way that the welding seam 3 is opposite to the positioning groove 4, and the steel pipe 2 to be welded is clamped and fixed by the positioning mechanism 1; then a motor 8 drives a screw rod 9 to rotate so as to enable the welding part 5 to integrally slide out of the inner cavity of the straight seam steel pipe 2 to be welded; and finally, controlling the motor 8 to rotate reversely, controlling the welding part 5 to completely slide through the straight seam steel pipe 2 to be welded along the length direction of the straight seam steel pipe 2 to be welded, and completing welding of the welding seam 3 by the welding gun 501 in the sliding process.

Claims

1. The utility model provides a welding set for straight seam steel pipe which characterized in that: comprises a frame (10), a working panel (6) arranged on the frame (10) and a welding component (5) arranged on the working panel (6) in a sliding way; offer on work panel (6) with treat constant head tank (4) that welding seam (3) on the welded straight seam steel pipe (2) correspond, welding subassembly (5) are including sliding slide (502) that sets up in constant head tank (4), the upper end of slide (502) distributes in constant head tank (4) top and fixed welder (501) that is equipped with, the lower extreme of spout distributes in constant head tank (4) below and fixed nut (504) that is equipped with, be equipped with on frame (10) with lead screw (9) of nut (504) cooperation installation and be used for driving lead screw (9) pivoted motor (8).

2. A welding apparatus for straight-seam steel pipes according to claim 1, characterized in that: be equipped with positioning mechanism (1) that is used for the centre gripping to fix and treats welding straight seam steel pipe (2) in frame (10), positioning mechanism (1) is including fixing in frame (10) and being located a plurality of clamping of constant head tank (4) both sides and supporting (102), all sets up the bolt hole of perpendicular to constant head tank (4) on clamping supports (102), and positioning bolt (101) are installed in the bolt hole cooperation, and positioning bolt (101) rotate towards the one end of constant head tank (4) and are connected with location briquetting (103).

3. A welding apparatus for straight-seam steel pipes according to claim 2, characterized in that: the positioning pressing blocks (103) are rectangular blocks, so that the positioning pressing blocks (103) positioned on the two sides of the positioning groove (4) are mutually matched and used for clamping the square straight seam steel pipe (2) to be welded.

4. A welding apparatus for straight-seam steel pipes according to claim 2, characterized in that: the positioning pressing blocks (103) are wedge-shaped blocks, so that the positioning pressing blocks (103) positioned at two sides of the positioning groove (4) are mutually matched in shape and used for clamping the circular straight seam steel pipe (2) to be welded.

5. A welding apparatus for straight-seam steel pipes according to claim 1, characterized in that: two ends of the lead screw (9) are respectively and rotatably arranged in the shaft seats (7) fixed on the frame (10), and the motor (8) is fixed with one shaft seat (7).

6. A welding apparatus for straight-seam steel pipes according to claim 1, characterized in that: the sliding plate (502) is provided with a wire feeding hole (503) for connecting a welding wire with the welding gun (501).