CN220178376U

CN220178376U - Flux baffle device for submerged arc welding of small-caliber pipe

Info

Publication number: CN220178376U
Application number: CN202321444597.XU
Authority: CN
Inventors: 宋文仲
Original assignee: Hebei Tianyue Laser Remanufacturing Technology Co ltd
Current assignee: Hebei Tianyue Laser Remanufacturing Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-15
Anticipated expiration: 2033-06-08

Abstract

The utility model provides a welding flux baffle device for small-bore pipe submerged arc welding, includes baffle, torsional spring, hinge and mounting panel, the mounting panel cup joints and is close to electric nozzle department at submerged arc welder, respectively is equipped with two fixed blocks on two sides about the mounting panel, be equipped with the through-hole on the fixed block, be equipped with a torsional spring between two fixed blocks of same one side, the baffle includes articulated pipe and sheet metal, articulated pipe sets up at the top of sheet metal, and the intermediate position of articulated pipe and sheet metal is equipped with the recess, and two fixed blocks set up in the recess, and the hole and the through-hole alignment of articulated pipe, and the hinge is connected together baffle, two fixed blocks and torsional spring, one of extension end and the side laminating of fixed block of torsional spring compress tightly, and another extension end is laminated with the side of sheet metal, compresses tightly the sheet metal and the small-bore pipe that is located between two sheet metals through torsion. In the submerged arc welding process of the small-caliber pipe, the pressing plate prevents welding flux from sliding off, the welding flux is sufficiently maintained in the welding bead, and the welding quality and the welding efficiency are improved.

Description

Flux baffle device for submerged arc welding of small-caliber pipe

Technical Field

The utility model relates to the technical field of pipe welding machines, in particular to a flux baffle device for submerged arc welding of a small-caliber pipe.

Background

Submerged arc welding is a method in which a welding gun is arranged on a welding trolley, automatically walks along a welding line, sprays powdery welding flux to cover an electric arc and a molten pool while welding, and burns under a welding flux layer to weld; the submerged arc welding has the advantages of stable welding quality, no arc light, less smoke dust, high welding efficiency and the like; in the process of overlaying small-caliber pipe parts by submerged arc welding, the flux is easy to rotate along with a pipeline to cause the flux to slide off and run off, and the flux cannot be sufficiently kept in a welding bead, so that the welding quality cannot be ensured, and the welding efficiency is low.

Chinese patent No. CN 214212557U discloses a welding flux drop preventing device for submerged arc welding with a border, which is formed by anchoring a strip baffle on a welding trolley, wherein the strip baffle is blocked between a welding gun and the border of a high platform and moves along with the welding trolley, so that the welding flux is blocked and is prevented from falling down the high platform; when having solved the plateau border and having carried out submerged arc welding, used solder flux just very easily drops from the plateau border, and the solder flux that drops is difficult to retrieve. But does not prevent the flux from slipping off, keeping the flux sufficiently in the bead.

In view of the above, development of a flux baffle device for submerged arc welding of a small-diameter pipe, which can prevent flux from sliding down along the arc surface of the small-diameter pipe during submerged arc welding, keep the flux in a weld bead sufficiently, and improve welding quality and welding efficiency, is an urgent problem for those skilled in the art.

Disclosure of Invention

The utility model aims to provide a flux baffle device for submerged arc welding of a small-caliber pipe, which can prevent welding flux from sliding along the cambered surface of the small-caliber pipe in the submerged arc welding process of the small-caliber pipe, so that the welding flux is sufficiently maintained in a welding bead, and the welding quality and the welding efficiency are improved.

The problems of the utility model are solved by the following technical proposal:

the utility model provides a welding flux baffle device for small-bore pipe submerged arc welding, includes baffle, torsional spring, hinge and mounting panel, the mounting panel cup joints and is close to electric nozzle department at submerged arc welder, respectively is equipped with two fixed blocks on two sides about the mounting panel, be equipped with the through-hole on the fixed block, be equipped with a torsional spring between two fixed blocks of same one side, the baffle includes articulated pipe and sheet metal, articulated pipe sets up at the top of sheet metal, and the intermediate position of articulated pipe and sheet metal is equipped with the recess, and two fixed blocks set up in the recess, and the hole and the through-hole alignment of articulated pipe, and the hinge is connected together baffle, two fixed blocks and torsional spring, one of extension end and the side laminating of fixed block of torsional spring compress tightly, and another extension end is laminated with the side of sheet metal, compresses tightly the sheet metal and the small-bore pipe that is located between two sheet metals through torsion.

According to the flux baffle device for the submerged arc welding of the small-caliber pipe, the through holes on the two fixing blocks on the same side are coaxial, and the axis of the flux baffle device is parallel to the axis of the small-caliber pipe.

The welding flux baffle plate device for the submerged arc welding of the small-caliber pipe is characterized in that the baffle plates are symmetrically arranged on two sides of the axis of the small-caliber pipe.

According to the welding flux baffle device for the submerged arc welding of the small-caliber pipe, the hinge shaft is hinged with the hinged pipe, the torsion spring and the fixed block.

According to the welding flux baffle device for the submerged arc welding of the small-caliber pipe, the thin plate is bent near the bottom, and the bent line formed by bending is anastomotic with the small-caliber pipe.

Advantageous effects

According to the welding flux baffle device for the submerged arc welding of the small-caliber pipe, the torsional springs are utilized to press the pressing plates symmetrically arranged on the two sides of the small-caliber pipe and the small-caliber pipe, and the baffle moves along with the submerged arc welding gun, so that the submerged arc welding flux is prevented from sliding along the cambered surface of the small-caliber pipe, the welding flux is sufficiently kept in a welding bead, and the welding quality and the welding efficiency are improved.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic view of the structure of the baffle plate of the present utility model;

fig. 5 is a left side view of fig. 4.

The reference numerals in the drawing are respectively 1, a small-caliber pipe, 2, a submerged arc welding gun, 3, a wire feeding pipe, 4, a welding wire, 5, a welding flux conveying pipe, 6, a mounting plate, 7, a baffle plate, 9, a torsion spring, 10, a hinge shaft, 11, a fixed block, 12, welding flux, 71, a hinge pipe, 72, a thin plate, 73, a groove, 111 and a through hole.

Detailed Description

Referring to fig. 1 and 2, a flux baffle device for submerged arc welding of a small-caliber pipe comprises a baffle 7, a torsion spring 9, a hinge shaft 10 and a mounting plate 6, wherein the mounting plate 6 is sleeved at the position, close to a contact tip, of a submerged arc welding gun 2, two fixing blocks 11 are respectively arranged on the left side and the right side of the mounting plate 6, through holes 111 are formed in the fixing blocks 11, a torsion spring 9 is arranged between the two fixing blocks 11 on the same side, the baffle 7 comprises a hinge pipe 71 and a thin plate 72, the hinge pipe 71 is arranged at the top of the thin plate 72, a groove 73 is formed in the middle of the hinge pipe 71 and the thin plate 72, the two fixing blocks 11 are arranged in the groove 73, the holes of the hinge pipe 71 are aligned with the through holes 111, the hinge shaft 10 connects the baffle 7, the two fixing blocks 11 and the torsion spring 9 together, one extending end of the torsion spring 9 is bonded and pressed with the side of the fixing blocks 11, the other extending end is bonded with the side of the thin plate 72, and the thin plate 72 is pressed with the small-caliber pipe 1 between the thin plate 72 through torsion. In the submerged arc welding process, the baffle moves along with the submerged arc welding gun, and the baffle prevents welding flux from sliding off, so that the problem that the submerged arc welding flux falls along the arc surface of the small-caliber pipe when the small-caliber pipe is subjected to submerged arc welding is solved, and the welding flux is sufficiently kept in the welding bead.

Referring to fig. 1 and 2, the through holes 111 on the two fixing blocks 11 on the same side are coaxial, and the axes of the through holes are parallel to the axis of the small-caliber pipe 1. The baffles on the two sides are attached to the small-caliber pipe.

Referring to fig. 1 and 2, the baffles 7 are symmetrically arranged at two sides of the axis of the small-caliber pipe 1. The weld bead is aligned with the submerged arc welding gun.

Referring to fig. 3, the hinge shaft 10 is hinged with the hinge tube 71, the torsion spring 9 and the fixed block 11. The torsion spring and the baffle can be adjusted in a certain range, and the baffle is ensured to be pressed tightly by the torsion spring.

Referring to fig. 4 and 5, the sheet 72 has a fold near the bottom, and the fold formed by the fold is anastomotic with the small-caliber pipe 1. The thin plate is contacted with the small-caliber pipe more anastomotic.

Claims

1. The flux baffle device for the submerged arc welding of the small-caliber pipe is characterized by comprising a baffle (7), a torsion spring (9), a hinge shaft (10) and a mounting plate (6), wherein the mounting plate (6) is sleeved at the position of a submerged arc welding gun (2) close to a conducting nozzle, two fixing blocks (11) are respectively arranged on the left side surface and the right side surface of the mounting plate (6), through holes (111) are formed in the fixing blocks (11), a torsion spring (9) is arranged between the two fixing blocks (11) on the same side,

baffle (7) are including articulated pipe (71) and sheet metal (72), articulated pipe (71) set up at the top of sheet metal (72), and the middle part of articulated pipe (71) and sheet metal (72) is equipped with recess (73), and two fixed blocks (11) set up in recess (73), and the hole and the through-hole (111) of articulated pipe (71) align, and hinge (10) link together baffle (7), two fixed blocks (11) and torsional spring (9), the side laminating of one of torsional spring (9) stretches out the end and fixed block (11) compresses tightly, and the side laminating of another stretches out the end and sheet metal (72) compresses tightly small-bore pipe (1) that sheet metal (72) are located between two sheet metals (72) through torsion.

2. A flux baffle device for submerged arc welding of small-diameter pipes as claimed in claim 1, wherein the through holes (111) in the two fixing blocks (11) on the same side are coaxial, and the axis of the through holes is parallel to the axis of the small-diameter pipe (1).

3. A flux baffle device for submerged arc welding of small-diameter pipes as claimed in claim 2, wherein the baffles (7) are symmetrically arranged on both sides of the axis of the small-diameter pipe (1).

4. A flux baffle device for submerged arc welding of small-caliber pipe according to claim 3, wherein the hinge shaft (10) is hinged with the hinged pipe (71), the torsion spring (9) and the fixed block (11).

5. The flux baffle device for submerged arc welding of small-caliber pipe as recited in claim 4, wherein the thin plate (72) is provided with a bending near the bottom, and a folding line formed by bending is matched with the small-caliber pipe (1).