CN219093936U - Manual argon welding gun device - Google Patents
Manual argon welding gun device Download PDFInfo
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- CN219093936U CN219093936U CN202320126740.4U CN202320126740U CN219093936U CN 219093936 U CN219093936 U CN 219093936U CN 202320126740 U CN202320126740 U CN 202320126740U CN 219093936 U CN219093936 U CN 219093936U
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Abstract
A hand argon welding gun device belongs to the field of pressure vessel internal weld repairing equipment. The utility model solves the problems that the gun head of the existing manual argon arc welding gun is large in size and is not suitable for repair welding of internal welding seams with small inner diameters. The utility model comprises an integrated guide piece, a tungsten electrode clamp, a guide piece protective cover, a tungsten electrode protective cover, a guide rod protective cover and a guide rod, wherein the tungsten electrode is connected with the guide rod through the integrated guide piece and the tungsten electrode clamp, the tungsten electrode is arranged at 90 degrees with the guide rod, the guide piece protective cover is arranged at the outer side of the integrated guide piece and the tungsten electrode clamp, the tungsten electrode protective cover is arranged at the outer side of the tungsten electrode, the guide rod protective cover is arranged at the outer side of the guide rod, and the guide rod protective cover is connected with the guide piece protective cover. The utility model provides a straight shank type manual argon arc welding gun which is suitable for welding internal welding seams with smaller inner diameters, and is convenient to use and good in welding effect.
Description
Technical Field
The utility model belongs to the field of pressure vessel internal weld repairing equipment, and particularly relates to a manual argon welding gun device.
Background
The pressure vessel is a sealed vessel which is internally or externally subjected to gas or liquid pressure and has high requirements on safety, and is actually manufactured by assembling all parts into a whole by welding, wherein the essence of welding is that filling metal is melted by high temperature generated by a heat source and a base metal is locally melted to form a welding pool. Under the conventional condition, manual welding rod arc welding is adopted for welding the inside of the welding seam, and the welding rod is bent to a certain angle, but the welding slag is manually cleaned after the welding is carried out, the control difficulty of the internal cleanliness is increased, the filling metal amount is not easy to control, the welding rod utilization rate is low, and the waste is serious.
Through long-term practice, the heat source and the filler wire can be controlled respectively during argon arc welding, the heat input quantity is easy to adjust, no splashing exists during welding, the molten pool visibility is good, and the control is easy, so that in order to ensure the quality of welding seams to reduce the deformation and crack tendency, manual argon arc welding is adopted for repair welding, the gun head of the existing manual argon arc welding gun is large in size, the existing manual argon arc welding gun is not suitable for repair welding of internal welding seams with the inner diameter of less than 90mm, and particularly, the back welding seams are inconvenient to use due to the smaller inner diameter, and the repair difficulty is increased.
Accordingly, the present utility model provides a straight shank type manual argon welding gun device suitable for small space to solve the above problems.
Disclosure of Invention
The utility model aims to solve the problems that the gun head of the existing manual argon arc welding gun is large in size and is not suitable for repair welding of internal welding seams with small inner diameters. The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.
The technical scheme of the utility model is as follows:
the utility model provides a hand argon welder device, including integral type water conservancy diversion piece and tungsten electrode clamp, water conservancy diversion piece protection casing, tungsten electrode protection casing, water conservancy diversion pole protection casing and water conservancy diversion pole, tungsten electrode and water conservancy diversion pole are connected through integral type water conservancy diversion piece and tungsten electrode clamp, tungsten electrode is 90 arrangement with the water conservancy diversion pole, integral type water conservancy diversion piece and tungsten electrode clamp outside are provided with water conservancy diversion piece protection casing, be provided with tungsten electrode protection casing on integral type water conservancy diversion piece and the tungsten electrode clamp, tungsten electrode protection casing is arranged in the tungsten electrode outside, the outside of water conservancy diversion pole is provided with water conservancy diversion pole protection casing, water conservancy diversion pole protection casing is established with water conservancy diversion piece protection casing and is connected.
Further, the guide rod protective cover is connected with the guide piece protective cover through a ceramic gasket, and the guide rod penetrates through the ceramic gasket to be in threaded connection with the integrated guide piece and the tungsten electrode clamp.
Further, the tungsten electrode is connected with the integrated guide piece and the tungsten electrode clamp through the end screw, and the end screw is in threaded connection with the integrated guide piece and the tungsten electrode clamp.
Further, the tungsten electrode protective cover is connected with the integrated guide piece and the tungsten electrode clamp through threads, an annular gap diffusion cover is arranged between the tungsten electrode protective cover and the integrated guide piece and between the tungsten electrode protective cover and the tungsten electrode clamp, and the annular gap diffusion cover is sleeved on the tungsten electrode.
Further, a welding gun collet is arranged on the guide rod protective cover, and the welding gun collet is a straight handle type welding gun collet.
The utility model has the following beneficial effects:
1. the utility model provides a straight shank type manual argon arc welding gun device, which is suitable for welding internal welding seams with smaller inner diameters, is convenient to use and good in welding effect, and the whole argon arc welding gun body adopts a protective cover with a ceramic structure to prevent short circuits caused by contact with workpieces in the welding process, and a guide piece and a tungsten electrode clamp are designed into a whole structure;
2. the tungsten electrode of the traditional manual argon arc welding gun is fixed through the long and short tail caps, so that the radial size of the gun head is increased;
3. the hand argon welding gun device has small internal space, and is designed with an annular gap diffusion cover on which a plurality of gap small holes are uniformly distributed so as to improve the jet effect of the shielding gas under the conditions of enhancing the protection effect and not influencing the operation visual angle.
Drawings
FIG. 1 is a schematic view of the overall structure of a manual argon torch assembly;
fig. 2 is a schematic view of an annular slit diffusion casing.
In the figure, the welding gun comprises a 1-integrated guide piece and a tungsten electrode clamp, a 2-end screw, a 3-guide piece protective cover, a 4-ceramic gasket, a 5-tungsten electrode protective cover, a 6-tungsten electrode, a 7-annular gap diffusion cover, an 8-guide rod protective cover, a 9-guide rod and a 10-welding gun base.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The connection mentioned in the present utility model is divided into a fixed connection and a detachable connection, wherein the fixed connection (i.e. the non-detachable connection) includes, but is not limited to, a conventional fixed connection manner such as a hemmed connection, a rivet connection, an adhesive connection, a welded connection, etc., and the detachable connection includes, but is not limited to, a conventional detachable manner such as a threaded connection, a snap connection, a pin connection, a hinge connection, etc., and when the specific connection manner is not specifically limited, at least one connection manner can be found in the existing connection manner by default, so that the function can be realized, and a person skilled in the art can select the connection according to needs. For example: the fixed connection is welded connection, and the detachable connection is hinged connection.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Embodiment 1, referring to fig. 1-2, a manual argon welding gun device in this embodiment is described, including an integrated guide piece and tungsten electrode clip 1, a guide piece protective cover 3, a tungsten electrode protective cover 5, a guide rod protective cover 8 and a guide rod 9, a tungsten electrode 6 and a guide rod 9 are connected through the integrated guide piece and tungsten electrode clip 1, the tungsten electrode 6 and the guide rod 9 are arranged at 90 degrees, the guide piece protective cover 3 is arranged on the outer side of the integrated guide piece and tungsten electrode clip 1, the tungsten electrode protective cover 5 is arranged on the outer side of the tungsten electrode 6, the guide rod protective cover 8 is arranged on the outer side of the guide rod 9, the guide rod protective cover 8 is connected with the guide piece protective cover 3, and the integrated guide piece and tungsten electrode clip 1 designs the guide piece and the tungsten electrode clip into an integrated structure and is formed by adopting a brass machine.
The guide piece protective cover 3, the tungsten electrode protective cover 5 and the guide rod protective cover 8 are all in ceramic structures, and under the action of the guide piece protective cover 3, the tungsten electrode protective cover 5 and the guide rod protective cover 8 which are made of ceramics, the problem of short circuit caused by contact with a workpiece in the welding process is effectively prevented, and the guide rod protective cover 8 is connected with the guide piece protective cover 3 through the ceramic gasket 4, so that the safety of the manual argon welding gun is further improved;
in order to reduce the radial size of the gun head, the end screw 2 is used for fixing the tungsten electrode 6 on the integrated guide piece and the tungsten electrode clamp 1, firstly the tungsten electrode 6 is inserted into the integrated guide piece and the tungsten electrode clamp 1, then the end screw 2 is screwed into the integrated guide piece and the tungsten electrode clamp 1, and the bottom of the end screw 2 is propped against the tungsten electrode 6, so that the tungsten electrode 6 is fixed on the integrated guide piece and the tungsten electrode clamp 1;
because the inner space of the hand argon welding gun is provided with the annular gap diffusion cover 7 in a sleeved mode on the tungsten electrode 6 under the condition that an operation visual angle is not affected, the annular gap diffusion cover 7 is arranged between the tungsten electrode protection cover 5 and the integrated guide piece and the tungsten electrode clamp 1, a plurality of gap small holes are uniformly distributed on the circumference of the annular gap diffusion cover 7, and the jet effect of the shielding gas is improved under the action of the annular gap diffusion cover 7;
the welding gun collet 10 is arranged on the guide rod protective cover 8, and the welding gun collet 10 is a straight shank type welding gun collet.
When the arc-starting device is used, one end of the guide rod 9 penetrates through the ceramic gasket 4 to be in threaded connection with the integrated guide piece and the tungsten electrode clamp 1, the tungsten electrode 6 is inserted into the integrated guide piece and the tungsten electrode clamp 1 and is fixed through the end screw 2, the annular gap diffusion cover 7 is sleeved on the tungsten electrode 6, then the tungsten electrode protection cover 5 is screwed into the integrated guide piece and the tungsten electrode clamp 1, the whole hand argon welding gun stretches into the pipe, the welding gun collet 10 is in direct contact with the inner wall of the pipe, the whole hand argon welding gun is supported, the other end of the guide rod 9 is connected with a power line, the guide rod is connected with an argon pipe, high-frequency voltage is applied between the tungsten electrode 6 and a workpiece through the guide rod 9 during arc starting, argon is broken, continuous current is supplied to ensure arc stability, and the shielding gas argon is filled between the tungsten electrode 6 and the tungsten electrode protection cover 5 through the diffusion effect of the annular gap diffusion cover 7, so that a good gas protection cover is formed.
The present embodiment is only illustrative of the present patent and does not limit the scope of protection thereof, and those skilled in the art can also change the part thereof, which is within the scope of protection of the present patent without exceeding the spirit of the present patent.
Claims (5)
1. A hand argon welding gun device, characterized in that: including integral type water conservancy diversion piece and tungsten electrode holder (1), water conservancy diversion piece protection casing (3), tungsten electrode protection casing (5), guide bar protection casing (8) and guide bar (9), tungsten electrode (6) are connected through integral type water conservancy diversion piece and tungsten electrode holder (1) with guide bar (9), tungsten electrode (6) are 90 and arrange with guide bar (9), integral type water conservancy diversion piece and tungsten electrode holder (1) outside is provided with water conservancy diversion piece protection casing (3), be provided with tungsten electrode protection casing (5) on integral type water conservancy diversion piece and the tungsten electrode holder (1), tungsten electrode protection casing (5) are arranged in tungsten electrode (6) outside, the outside of guide bar (9) is provided with guide bar protection casing (8), guide bar protection casing (8) are connected with water conservancy diversion piece protection casing (3) establishment.
2. A hand argon torch assembly as in claim 1 wherein: the guide rod protective cover (8) is connected with the guide piece protective cover (3) through the ceramic gasket (4), and the guide rod (9) penetrates through the ceramic gasket (4) to be in threaded connection with the integrated guide piece and the tungsten electrode clamp (1).
3. A hand argon torch assembly as in claim 2 wherein: the tungsten electrode (6) is connected with the integrated guide piece and the tungsten electrode clamp (1) through the end screw (2), and the end screw (2) is in threaded connection with the integrated guide piece and the tungsten electrode clamp (1).
4. A hand argon torch apparatus as claimed in claim 1 or 3, wherein: the tungsten electrode protection cover (5) is connected with the integrated guide piece and the tungsten electrode clamp (1) through threads, an annular gap diffusion cover (7) is arranged between the tungsten electrode protection cover (5) and the integrated guide piece and between the tungsten electrode protection cover and the tungsten electrode clamp (1), and the annular gap diffusion cover (7) is sleeved on the tungsten electrode (6).
5. A hand argon torch assembly as in claim 1 wherein: the welding gun base (10) is arranged on the guide rod protective cover (8), and the welding gun base (10) is a straight shank type welding gun base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320126740.4U CN219093936U (en) | 2023-01-11 | 2023-01-11 | Manual argon welding gun device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320126740.4U CN219093936U (en) | 2023-01-11 | 2023-01-11 | Manual argon welding gun device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219093936U true CN219093936U (en) | 2023-05-30 |
Family
ID=86459727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320126740.4U Active CN219093936U (en) | 2023-01-11 | 2023-01-11 | Manual argon welding gun device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219093936U (en) |
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2023
- 2023-01-11 CN CN202320126740.4U patent/CN219093936U/en active Active
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