CN220144978U

CN220144978U - Automatic plasma welding gun

Info

Publication number: CN220144978U
Application number: CN202321714896.0U
Authority: CN
Inventors: 张初; 沈毅; 孙永涛; 闫伟
Original assignee: Ived Hangzhou Welding Equipment Co ltd
Current assignee: Ived Hangzhou Welding Equipment Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-08
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses an automatic plasma welding gun, which relates to the technical field of plasma welding guns and comprises a welding torch body and a cooling welding torch head, wherein a locking clamp is rotatably connected to an inner cavity of the welding torch body, an electrode is arranged in the locking clamp, and a nozzle is fixedly connected to an inner cavity of the cooling welding torch head. According to the utility model, the locking clamp is arranged, so that the electrode can be replaced under the condition of not detaching a gun, time and labor are saved, in addition, the centering insulator is arranged in the cavity, the electrode can be easily installed at the centering position of the nozzle, the adjusting time is saved, and the welding speed can be greatly improved.

Description

Automatic plasma welding gun

Technical Field

The utility model relates to the technical field of plasma welding guns, in particular to an automatic plasma welding gun.

Background

The plasma welding gun is a welding tool, and is a welding mode which uses a plasma arc as a heat source, has larger penetration force and welding speed, and is a welding mode which is relatively commonly used at present.

When the conventional plasma welding gun is used, the tungsten electrode is inconvenient to replace, so that the welding speed is reduced, and in addition, most of the conventional plasma welding gun cannot efficiently dissipate heat when in use, so that the service life of a welding nozzle is reduced.

Therefore, it is necessary to provide an automatic plasma welding gun to solve the above problems.

Disclosure of Invention

The utility model aims at: the utility model provides an automatic plasma welding gun for solving the problems that the tungsten electrode is inconvenient to replace and the plasma welding gun cannot efficiently dissipate heat.

The utility model adopts the following technical scheme for realizing the purposes:

an automatic plasma welding gun comprises a welding torch body and a cooling welding torch head, wherein a locking clamp is connected with an inner cavity of the welding torch body in a threaded mode, an electrode is arranged in the locking clamp, and a nozzle is fixedly connected with an inner cavity of the cooling welding torch head.

Preferably, the inner cavity of the nozzle is fixedly connected with a centering insulator, so that the electrode is conveniently installed at the center of the nozzle.

Preferably, the electrode is a tungsten electrode, so that the conductivity of the electrode can be improved, the heat dissipation effect of the electrode can be improved, and meanwhile, the electrode can be prevented from being broken due to impact during welding.

Preferably, a first air cavity is arranged between the nozzle and the centering insulator, and the protective gas in the first air cavity can prevent the molten weld joint in solidification from being oxidized.

Preferably, the electrode is a second air cavity between the centering insulators, and plasma gas in the second air cavity can heat and melt the cut material.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through constructing an intensive structure, the radiating waterway, the ion gas, the shielding gas and the conductive path can be integrated in the structure, so that not only can the high-efficiency heat radiation be realized, but also the high-efficiency heat radiation can be realized, the compression effect of the plasma arc can be ensured, the service life of the welding nozzle can be prolonged, and the total cost in a good product life cycle can be reached.

2. According to the utility model, the locking clamp is arranged, so that the electrode can be replaced under the condition of not detaching a gun, time and labor are saved, in addition, the centering insulator is arranged in the cavity, the electrode can be easily installed at the centering position of the nozzle, the adjusting time is saved, and the welding speed can be greatly improved.

Drawings

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

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

fig. 3 is a cross-sectional view of a partial structure of the present utility model.

Reference numerals: 1. a welding torch body; 2. cooling the torch head; 3. a locking clamp; 4. an electrode; 5. centering the insulator; 6. a nozzle; 7. a first air chamber; 8. and a second air cavity.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the following detailed description of the embodiments of the present utility model is provided with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element 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. Furthermore, the terms "a," "an," "the first," "the second," "the third," "the fourth," "the fifth," "the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Example 1

Referring to fig. 1-3, an automatic plasma welding gun comprises a welding torch body 1 and a cooling welding torch head 2, wherein a locking clamp 3 is in threaded connection with an inner cavity of the welding torch body 1, an electrode 4 is arranged in the locking clamp 3, a second air cavity 8 is arranged between two centering insulators 5 and is used for heating and melting materials to be cut by plasma gas in the second air cavity 8, a nozzle 6 is fixedly connected with the inner cavity of the cooling welding torch head 2, a first air cavity 7 is arranged between the nozzle 6 and the centering insulators 5, and protective gas in the first air cavity 7 can prevent oxidation of molten welding seams in solidification.

In this embodiment, cold water enters the cooling waterway through the water pipe, so that efficient cooling can be performed, the compression effect of the plasma arc can be ensured, the service life of the welding nozzle 6 can be prolonged, and the overall cost in a better product life cycle can be achieved.

Example two

Referring to fig. 1-3, this embodiment is further optimized based on embodiment 1, specifically, the inner cavity of the nozzle 6 is fixedly connected with the centering insulator 5, so as to facilitate the installation of the electrode 4 at the center of the nozzle 6.

Specifically, the electrode 4 is a tungsten electrode, so that the conductivity of the electrode 4 can be improved, the heat dissipation effect of the electrode 4 can be improved, and meanwhile, the electrode 4 can be prevented from being broken due to impact during welding.

In this embodiment, through setting up locking clamp 3, can carry out electrode change 4 under the condition of not unpick the rifle, labour saving and time saving, in addition, the intracavity is equipped with centering insulator 5, can be relaxed install electrode 4 in the intermediate position of nozzle 6, saves adjustment time to can improve welding speed by a wide margin.

The working principle and the using flow of the utility model are as follows: in the welding process, the protective gas is introduced into the first gas cavity 7 through the gas pipe, the cold water enters the radiating waterway through the water pipe, then the cold water flows back in the radiating waterway, then the welding is realized by utilizing the plasma gas in the second gas cavity 8, and when the electrode 4 needs to be replaced, only the locking clamp 3 is required to be controlled, and the welding gun does not need to be disassembled.

According to the utility model, through constructing an intensive structure, the radiating waterway, the ion gas, the shielding gas and the conducting path can be integrated in the structure, so that not only can the high-efficiency radiating be realized, but also the high-efficiency radiating can be well isolated from each other, the compression effect of the plasma arc can be ensured, the service life of the welding nozzle 6 can be prolonged, the total cost in a good product life cycle can be achieved, the electrode replacement 4 can be carried out without detaching a gun by arranging the locking clamp 3, time and labor are saved, in addition, the centering insulator 5 is arranged in the cavity, the electrode 4 can be easily arranged at the center of the nozzle 6, the adjusting time is saved, and the welding speed can be greatly improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic plasma welding gun, comprising a welding torch body (1) and a cooling welding torch head (2), characterized in that: the inner cavity of the welding torch body (1) is in threaded connection with a locking clamp (3), an electrode (4) is arranged in the locking clamp (3), and a nozzle (6) is fixedly connected with the inner cavity of the cooling welding torch head (2).

2. An automated plasma welding gun according to claim 1, wherein: the inner cavity of the nozzle (6) is fixedly connected with a centering insulator (5) so as to be convenient for installing the electrode at the center of the nozzle.

3. An automated plasma welding gun according to claim 1, wherein: the electrode (4) is a tungsten electrode, so that the heat dissipation effect of the electrode is improved, and meanwhile, the electrode can be prevented from being broken due to impact during welding.

4. An automated plasma welding gun according to claim 1, wherein: a first air cavity (7) is arranged between the nozzle (6) and the centering insulator (5), and the protective air in the first air cavity can prevent the molten weld joint in solidification from being oxidized.

5. An automated plasma welding gun according to claim 1, wherein: the electrode (4) is a second air cavity (8) between the centering insulators (5), and plasma gas in the second air cavity can heat and melt the cut materials.