CN214109156U

CN214109156U - Quick-replaceable elbow type MIG welding gun

Info

Publication number: CN214109156U
Application number: CN202023298923.XU
Authority: CN
Inventors: 吴建冬
Original assignee: Changzhou Longren Electromechanical Co ltd
Current assignee: Changzhou Longren Electromechanical Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the technical field of MIG welding guns, in particular to a quick-replacement elbow type MIG welding gun, which comprises a gun head part, wherein the gun head part is connected with an elbow positioning seat through a movable elbow body, and the elbow positioning seat is connected with a handle rear end component; the movable bent pipe body comprises a positioning ring, a V-shaped convex surface and a V-shaped concave surface which are matched with each other are arranged at the joint of the positioning ring, and the outer side of the positioning ring is connected with the bent pipe positioning seat through a connecting nut. After the structure of the oil adding device is adopted, the utility model discloses a spray tube plays the water conservancy diversion effect to the shielding gas to protect other rifle head accessories, the contact tip is used for guiding the welding wire, and contact tip and return bend are connected to the contact tip seat, and have the effect of dispersing to the shielding gas.

Description

Quick-replaceable elbow type MIG welding gun

Technical Field

The utility model relates to a MIG welder technical field, especially a quick replacement elbow formula MIG welder.

Background

The welding gun is widely used in modern industry, the bent pipe is a quick-wear part of the welding gun, but is limited in a traditional structure, the work of replacing the bent pipe is very tedious, all welding gun accessories connected to the bent pipe need to be removed, the workload of replacing the bent pipe and the workload of reassembling one welding gun are almost the same, the working efficiency is greatly reduced, and the cost is greatly increased by directly replacing the welding gun.

Disclosure of Invention

The utility model discloses the technical problem that needs to solve provides a can dismantle fast and install MIG welder of return bend.

In order to solve the technical problem, the quick-replacement bend-tube MIG welding gun comprises a gun head part, wherein the gun head part is connected with a bend positioning seat through a movable bend tube body, and the bend positioning seat is connected with a handle rear end component; the movable bent pipe body comprises a positioning ring, a V-shaped convex surface and a V-shaped concave surface which are matched with each other are arranged at the joint of the positioning ring, and the outer side of the positioning ring is connected with the bent pipe positioning seat through a connecting nut.

Preferably, the movable elbow body is connected with the lance head part through an elbow seat.

Preferably, the gun head part comprises a spray pipe, a conductive nozzle is arranged in the spray pipe, the conductive nozzle is installed on a conductive nozzle seat, and the conductive nozzle seat is connected with the elbow seat.

Preferably, a nylon nut sleeve is arranged on the outer side of the connecting nut.

After the structure of the oil adding device is adopted, the utility model discloses a spray tube plays the water conservancy diversion effect to the shielding gas to protect other rifle head accessories, the contact tip is used for guiding the welding wire, and contact tip and return bend are connected to the contact tip seat, and have the effect of dispersing to the shielding gas.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the utility model discloses quick replacement elbow formula MIG welder's schematic structure.

Fig. 2 is an enlarged schematic view of the connecting portion of the present invention.

In the figure: 1 is a gun head part, 2 is a movable bent pipe body, 3 is a bent pipe positioning seat, and 4 is a handle rear end component

The nozzle is 1.1, the conductive nozzle is 1.2, the conductive nozzle seat is 1.3, the nylon nut sleeve is 2.1, the connecting nut is 2.2, the positioning ring is 2.3, the V-shaped convex surface is 2.4, the bent pipe seat is 2.5, and the V-shaped concave surface is 3.1.

Detailed Description

As shown in fig. 1 and 2, the MIG welding gun with the fast-replaceable bent tube of the present invention includes a gun head part 1, wherein the gun head part 1 is connected with a bent tube positioning seat 3 through a movable bent tube body 2, and the bent tube positioning seat 3 is connected with a handle rear end component 4; the movable bent pipe body 2 comprises a positioning ring 2.3, a V-shaped convex surface 2.4 and a V-shaped concave surface 3.1 which are matched with each other are arranged at the joint of the positioning ring 2.3, the outer side of the positioning ring 2.3 is connected with the bent pipe positioning seat 3 through a connecting nut 2.2, and a nylon nut sleeve 2.1 is arranged on the outer side of the connecting nut 2.2.

As shown in fig. 1, the movable elbow body 2 is connected with the tip part 1 through an elbow socket 2.5. The gun head part 1 comprises a spray pipe 1.1, a conductive nozzle 1.2 is arranged in the spray pipe 1.1, the conductive nozzle 1.2 is installed on a conductive nozzle seat 1.3, and the conductive nozzle seat 1.3 is connected with an elbow pipe seat 2.5.

The gun head part 1 of the utility model comprises a spray pipe 1.1, a conductive nozzle 1.2 and a conductive nozzle seat 1.3, wherein the spray pipe 1.1 plays a role in guiding the shielding gas and protecting other gun head accessories, the conductive nozzle is used for guiding welding wires, and the conductive nozzle seat is connected with the conductive nozzle and a bent pipe and has a dispersing function on the shielding gas; the detachable front end of the bent pipe body is provided with a radiating head which is connected with the spray pipe through a clamp spring, the inner core of the bent pipe is in charge of ventilation and electric conduction, the inner core is surrounded by a layer of Teflon pipe, the purpose is insulation, and the outer shell of the bent pipe protects the inner structure of the bent pipe. The rear end of the detachable bent pipe body is provided with a connecting mechanism, the connecting mechanism is provided with a nylon nut sleeve, a connecting nut, a positioning ring and a V-shaped convex surface, the nylon nut sleeve is clamped outside the connecting nut to play an insulating role, meanwhile, the nylon nut sleeve can increase the torque for screwing the connecting nut, so that an operator can detach the bent pipe without using other tools, the connecting nut can be screwed at the front end of a bent pipe positioning seat, the positioning ring is used for clamping the position of the connecting nut, and the V-shaped convex surface can ensure that the bent pipe can be in close contact with a bent pipe positioning seat and can also ensure the air tightness of a connecting part; the front end of the elbow positioning seat is provided with a positioning piece for positioning at the front end of the handle, the V-shaped concave surface at the front end of the elbow positioning seat can keep conductivity and air tightness when being connected with the elbow, and the rear end of the elbow positioning seat is provided with a connecting nut which can be connected with the handle; the rear assembly of the handle consists of a universal ball and a spring, the front end of the universal ball is provided with a ball-shaped cambered surface which can freely rotate in a cambered surface groove at the rear end of the handle, the front end of the universal ball is connected with the spring, and the rear assembly of the handle can limit the current bending angle and prolong the service life of the cable; the welding gun cable is connected with the bent pipe positioning seat through a cable joint.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. The utility model provides a quick replacement elbow formula MIG welder which characterized in that: the bending gun comprises a gun head part (1), wherein the gun head part (1) is connected with a bending pipe positioning seat (3) through a movable bending pipe body (2), and the bending pipe positioning seat (3) is connected with a handle rear end component (4); the movable bent pipe body (2) comprises a locating ring (2.3), a V-shaped convex surface (2.4) and a V-shaped concave surface (3.1) which are matched with each other are arranged at the joint of the locating ring (2.3), and the outer side of the locating ring (2.3) is connected with the bent pipe locating seat (3) through a connecting nut (2.2).

2. A quick change elbow MIG gun as set forth in claim 1 wherein: the movable bent pipe body (2) is connected with the gun head part (1) through a bent pipe seat (2.5).

3. A quick change elbow MIG gun as set forth in claim 2 wherein: the gun head component (1) comprises a spray pipe (1.1), a conductive nozzle (1.2) is arranged in the spray pipe (1.1), the conductive nozzle (1.2) is installed on a conductive nozzle seat (1.3), and the conductive nozzle seat (1.3) is connected with a bent pipe seat (2.5).

4. A quick change elbow MIG gun as set forth in claim 1 wherein: and a nylon nut sleeve (2.1) is arranged on the outer side of the connecting nut (2.2).