CN219924993U - Pipe body structure of water-cooling welding repair gun - Google Patents

Abstract

The utility model relates to a pipe body structure of a water-cooling welding repair gun, which comprises an outer pipe and an inner pipe, wherein the inner pipe is sleeved in the outer pipe, an oblique angle is arranged at the top end of the outer pipe, a cooling passage is arranged between the outer pipe and the inner pipe, the cooling passage comprises a circulating cooling area and a reflux area, a water inlet hole is formed in one side of the circulating cooling area, a water inlet pipe is fixedly arranged on the water inlet hole, a water outlet hole is formed in one side of the reflux area, a water outlet pipe is fixedly arranged on the water outlet hole, a hollow groove is formed in the inner pipe, an air inlet pipe is arranged in the pipe wall of the inner pipe, and the top end of the air inlet pipe extends to the top of the outer pipe and is communicated with the outside.

Description

Pipe body structure of water-cooling welding repair gun

Technical Field

The utility model relates to the technical field of gun barrels, in particular to a tube body structure of a water-cooling repair welding gun.

Background

Arc welding is a very common welding method in industry, wherein gas shielded welding is widely used, and gas is used as an arc medium to protect an arc and a welding area. Water-cooled gas shielded welding equipment is a conventional equipment that typically includes a water-cooled weld gun, weld gun piping, a gas supply system, a cooling system, and the like, with the weld gun piping being a significant component thereof.

The prior art generally adopts a copper pipe to directly encircle the gun head of the welding gun, and cooling liquid flows through the copper pipe to circularly cool the gun head, but in the mode, the cooling liquid and the welding gun are separated by a copper pipe wall and a copper gun head wall, the contact area is small, the cooling effect is not ideal, meanwhile, in the prior art, the parts of the gun barrel assembly are more, the structure is more complex, a plurality of special water diversion pipes are needed to be matched with other pipelines to form a cooling water path, the processing technology difficulty is high, the yield is low, and the utility model provides a new solution to the problems.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a pipe body structure of a water-cooling welding repair gun so as to solve the technical problems in the background art.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a body structure of water-cooling repair welding gun, includes outer tube and inner tube, and the inner tube cup joints inside the outer tube, the outer tube top is provided with the slant angle, the outer tube with be provided with cooling passage between the inner tube, cooling passage includes circulative cooling district and backward flow district, the inlet opening has been seted up to circulative cooling district one side, and fixed mounting has the inlet tube on the inlet opening, the apopore has been seted up to backward flow district one side, and fixed mounting has the outlet pipe on the apopore, and the hollow tank has been seted up to the inner tube inside, is provided with the intake pipe in the inner tube pipe wall, and the intake pipe top extends to outer tube top and is linked together with the outside.

Preferably, a shutoff plate is fixedly arranged between the circulating cooling zone and the backflow zone, and a backflow hole is formed in the end face of one side of the shutoff plate.

In any of the above schemes, it is preferable that a plurality of groups of mounting frames are uniformly distributed and arranged in the cooling passage, the bottoms of the mounting frames are fixedly connected with the inner wall of the outer tube, every two groups of mounting frames are symmetrically distributed, fixing hoops are fixedly arranged on the mounting frames, and the inner side end faces of the fixing hoops are fixedly connected with the outer wall of the inner tube.

In any of the above schemes, preferably, the water inlet hole is provided with a first sealing rubber ring, and the water outlet hole is provided with a second sealing rubber ring.

In any of the above solutions, it is preferable that a mounting thread is provided below the oblique angle at the top end of the outer wall of the outer tube.

In any of the above aspects, it is preferable that a heat insulating paint is provided on an outer wall of the outer tube under the mounting screw.

Compared with the prior art, the utility model has the advantages that:

the cooling passage is simple in design, stable in structure and convenient to produce, the cooling liquid can be injected into the circulating cooling area by the water inlet pipe and enter the water cooling treatment for the welding gun, and the cooling liquid passes through the reflow hole and the reflow area and is discharged from the water outlet pipe to complete the whole cooling circulation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pipe body of a water-cooled repair welding gun according to the present utility model;

fig. 2 is a schematic structural view of a shut-off plate;

FIG. 3 is a schematic structural view of a support frame;

fig. 4 is a schematic view of the longitudinal sectional structure of the present utility model.

The reference numerals in the figures illustrate:

1. an outer tube; 2. an inner tube; 3. an oblique angle; 4. a cooling passage; 401. a circulating cooling zone; 402. a reflow zone; 5. a water inlet hole; 6. a water inlet pipe; 7. a water outlet hole; 8. a water outlet pipe; 9. a hollow groove; 10. an air inlet pipe; 11. a shutoff plate; 12. a reflow hole; 13. a mounting frame; 14. a fixing hoop; 15. a first sealing rubber ring; 16. the second sealing rubber ring; 17. installing a thread; 18. and (5) heat-insulating paint.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples

Referring to fig. 1 to 4, a pipe body structure of a water-cooling welding repair gun comprises an outer pipe 1 and an inner pipe 2, wherein the inner pipe 2 is sleeved inside the outer pipe 1, an oblique angle 3 is arranged at the top end of the outer pipe 1, a cooling passage 4 is arranged between the outer pipe 1 and the inner pipe 2, the cooling passage 4 comprises a circulating cooling area 401 and a backflow area 402, a water inlet hole 5 is formed in one side of the circulating cooling area 401, a water inlet pipe 6 is fixedly installed on the water inlet hole 5, a water outlet hole 7 is formed in one side of the backflow area 402, a water outlet pipe 8 is fixedly installed on the water outlet hole 7, a hollow groove 9 is formed in the inner pipe 2, an air inlet pipe 10 is arranged in the pipe wall of the inner pipe 2, and the top end of the air inlet pipe 10 extends to the top of the outer pipe 1 to be communicated with the outside.

In this embodiment, a shutoff plate 11 is fixedly installed between the circulating cooling zone 401 and the backflow zone 402, and a backflow hole 12 is formed in an end surface of one side of the shutoff plate 11.

In this embodiment, a plurality of groups of mounting frames 13 are uniformly distributed and arranged in the cooling passage 4, the bottoms of the mounting frames 13 are fixedly connected with the inner wall of the outer tube 1, every two groups of mounting frames 13 are symmetrically distributed, fixing hoops 14 are fixedly arranged on the mounting frames 13, and the inner side end surfaces of the fixing hoops 14 are fixedly connected with the outer wall of the inner tube 2.

In this embodiment, the water inlet 5 is provided with a first sealing rubber ring 15, and the water outlet 7 is provided with a second sealing rubber ring 16.

In this embodiment, a mounting thread 17 is provided below the oblique angle 3 at the top end of the outer wall of the outer tube 1.

In this embodiment, a heat insulating coating 18 is provided on the outer wall of the outer tube 1 below the mounting screw 17.

The working process of the utility model is as follows:

when the welding gun is used, an operator is firstly connected with the top end of the outer tube 1 through the mounting threads 17, the water inlet tube 6, the water outlet tube 8 and the air inlet tube 10 are communicated with a cooling system and an air supply system, during welding, the cooling system pumps cooling liquid into the circulating cooling area 401 from the water inlet tube, the high-temperature welding gun is cooled, the cooling liquid is discharged from the water outlet tube 8 through the reflow hole 12 and the reflow area 402 after cooling to complete the whole cooling circulation, compared with a copper tube, the heat dissipation contact area is larger, the heat dissipation effect is better, meanwhile, the mounting frame 13 and the fixing hoop 14 fixed in the cooling passage 4 can ensure the circulation smoothness of the cooling passage 4, and the influence on the heat dissipation effect caused by unsmooth circulation of the cooling liquid due to bending of a pipeline is prevented.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a body structure of water-cooling repair welding gun, includes outer tube (1) and inner tube (2), and inner tube (2) cup joint in outer tube (1) inside, its characterized in that: the utility model discloses a cooling device, including outer tube (1), inner tube (2), outer tube (1), cooling passageway (4) are provided with slant angle (3) on outer tube (1) top, outer tube (1) with be provided with cooling passageway (4) between inner tube (2), cooling passageway (4) are including circulative cooling district (401) and backward flow district (402), inlet opening (5) have been seted up on one side of circulative cooling district (401), fixed mounting has inlet tube (6) on inlet opening (5), apopore (7) have been seted up on one side of backward flow district (402), fixed mounting has outlet pipe (8) on apopore (7), hollow tank (9) have been seted up in inner tube (2) inside, are provided with intake pipe (10) in inner tube (2) pipe wall, intake pipe (10) top extends to outer tube (1) top and outside are linked together.

2. The tube structure of a water-cooled repair welding gun according to claim 1, wherein: a shutoff plate (11) is fixedly arranged between the circulating cooling zone (401) and the backflow zone (402), and a backflow hole (12) is formed in one side end face of the shutoff plate (11).

3. The tube structure of a water-cooled repair welding gun according to claim 1, wherein: the cooling device is characterized in that a plurality of groups of mounting frames (13) are uniformly distributed in the cooling passage (4), the bottoms of the mounting frames (13) are fixedly connected with the inner wall of the outer tube (1), every two groups of mounting frames (13) are symmetrically distributed, fixing hoops (14) are fixedly mounted on the mounting frames (13), and the inner side end faces of the fixing hoops (14) are fixedly connected with the outer wall of the inner tube (2).

4. The tube structure of a water-cooled repair welding gun according to claim 1, wherein: the water inlet hole (5) is provided with a first sealing rubber ring (15), and the water outlet hole (7) is provided with a second sealing rubber ring (16).

5. The tube structure of a water-cooled repair welding gun according to claim 1, wherein: and a mounting thread (17) is arranged below the inclined angle (3) at the top end of the outer wall of the outer tube (1).

6. The water-cooled welding gun body structure as set forth in claim 5, wherein: and a heat insulation coating (18) is arranged on the outer wall of the outer tube (1) under the mounting thread (17).