CN212094789U - Welding gun with tungsten electrode propelling mechanism - Google Patents
Welding gun with tungsten electrode propelling mechanism Download PDFInfo
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- CN212094789U CN212094789U CN202020598512.3U CN202020598512U CN212094789U CN 212094789 U CN212094789 U CN 212094789U CN 202020598512 U CN202020598512 U CN 202020598512U CN 212094789 U CN212094789 U CN 212094789U
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Abstract
The utility model relates to the field of welding technique, a welder with tungsten utmost point advancing mechanism is disclosed, including the welding torch body, tungsten utmost point holder, nozzle, advancing mechanism and tungsten utmost point cap, the tungsten utmost point holder is installed at welding torch body front end, and the nozzle cover is connected welding torch body front end on the tungsten utmost point holder, and the tungsten utmost point cap is installed in welding torch body rear end. The propelling mechanism comprises a tungsten electrode clamp, a spring, a damper, a propelling button and a propelling elastic sheet, the tungsten electrode clamp penetrates through the spring to be installed inside the welding gun body, the damper is installed in the middle inside the welding gun body, and the propelling button and the propelling elastic sheet are installed in a tungsten electrode cap. After the propulsion mechanism is added, when the extension length of the tungsten electrode needs to be adjusted, only the propulsion button on the welding gun needs to be pressed, and the tungsten electrode cap does not need to be unscrewed for adjustment, so that time and labor are saved; the tungsten pole rod is not contacted in the operation process, so that the damages such as radiation injury, tip puncture, scald and the like are avoided.
Description
Technical Field
The utility model belongs to the technical field of the welding, concretely relates to welder with tungsten utmost point advancing mechanism.
Background
The argon tungsten-arc welding is a welding method in which a tungsten rod is used as an electrode and argon is added for protection, and the tungsten rod is gradually evaporated and burnt during the long-time operation of argon-arc welding. In order to ensure good welding quality, the extension length of a tungsten electrode needs to be adjusted, in the prior art, the extension length of the tungsten electrode needs to be adjusted by loosening a tungsten electrode cap of a welding gun, a tungsten electrode rod is pushed out by a hand, and the end part of the tungsten electrode rod is relatively sharp, so that fingers are easily injured; the tungsten electrode rod is mostly made of thorium tungsten and has certain radioactivity; the operation is troublesome and unsafe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies that above-mentioned prior art exists, provide a welder with tungsten utmost point advancing mechanism, when needs adjustment tungsten utmost point extension length, need not dismantle the tungsten utmost point cap, bare-handed contact tungsten utmost point and release it.
In order to achieve the above purpose, the utility model adopts the following scheme: a welding gun with a tungsten electrode propelling mechanism comprises a welding gun body, a tungsten electrode holder, a nozzle, the propelling mechanism and a tungsten electrode cap, wherein the tungsten electrode holder is installed at the front end of the welding gun body, the nozzle is sleeved on the tungsten electrode holder and connected with the front end of the welding gun body, and the tungsten electrode cap is installed at the rear end of the welding gun body.
The welding gun body comprises a grip and a gun body, and a protective gas channel is arranged in the grip; the interior of the gun body is provided with a tungsten electrode holder fixing cavity, a damper installation cavity, a tungsten electrode holder clamping cavity and a tungsten electrode cap fixing cavity, and the protective gas channel is communicated with the tungsten electrode holder fixing cavity.
The pushing mechanism comprises a tungsten electrode clamp, a spring, a damper, a pushing button and a pushing elastic sheet, the tungsten electrode clamp penetrates through the spring to be installed in a tungsten electrode clamp clamping cavity of the welding gun body, the damper is installed in a damper installation cavity in the middle of the welding gun body, and the pushing button and the pushing elastic sheet are installed in a tungsten electrode cap.
The tungsten electrode cap is provided with a propelling cavity, the wall of the propelling cavity is provided with a button hole, and the propelling button is arranged in the button hole; the pushing spring plate is arranged in the pushing cavity, and the bottom of the pushing button is connected with the top of the pushing spring plate; the front end of the pushing spring plate is propped against the tail end of the tungsten electrode clamp, and the rear end of the pushing spring plate is propped against the inner side wall of the pushing cavity.
Furthermore, the tungsten electrode holder and the tungsten electrode holder fixing cavity and the tungsten electrode cap fixing cavity are connected through threads.
Further, the damper is circular, and the inner diameter of the selected specification of the damper is slightly smaller than the diameter of the selected specification of the tungsten electrode rod.
Preferably, the damper is a high temperature resistant soft material.
Furthermore, the outlet end of the tungsten electrode clamp is in an expansion type, the aperture of the port is slightly smaller than the outer diameter of the tungsten electrode, and when the tungsten electrode passes through the port, the port can be opened in a Y shape.
Preferably, a tungsten electrode advancing groove is formed in the middle of the spring plate of the pushing spring plate.
Compared with the prior art, the utility model discloses the beneficial effect who has is: after the propelling mechanism is added, when the extending length of the tungsten electrode needs to be adjusted, only a propelling button on the welding gun needs to be pressed, and the tungsten electrode cap does not need to be directly unscrewed for adjustment, so that time and labor are saved; the tungsten electrode is not contacted in the operation process, so that the damages of radiation injury, tip puncture, scald and the like are avoided.
Drawings
Fig. 1 is a longitudinal sectional view of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is a longitudinal sectional view of a welding torch body according to the present invention;
FIG. 4 is a top view of the tungsten electrode cap of the present invention;
fig. 5 is a left side view of the push button and the push spring of the present invention;
wherein: 1. the welding gun comprises a welding gun body, 2, a tungsten electrode holder, 3, a nozzle, 4, a tungsten electrode cap, 5, a propelling mechanism, 6 and a tungsten electrode rod;
11. the device comprises a gun body, a handle, a protective gas channel, a tungsten electrode clamp seat fixing cavity, a damper mounting cavity, a tungsten electrode clamp clamping cavity, a tungsten electrode cap fixing cavity, a gun handle, a protective gas channel, a tungsten electrode clamp seat fixing cavity, a protective gas channel, a damper mounting cavity, a tungsten electrode clamp clamping cavity, a tungsten electrode cap fixing cavity, a tungsten electrode; 41. a push lumen 42, a button hole; 51. push button, 52, push spring, 53, tungsten electrode clamp, 54, spring, 55, damper, 521, tungsten electrode advancing groove.
Detailed Description
It should be noted that, in the present invention, the position or position relation indicated by the terms such as "front", "back", "left", "right", etc. is the position or position relation shown in the drawings, and the relation words determined by the structural relations of the components of the present invention are not specific to any components of the present invention, and the limitations of the present invention cannot be understood.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a welding gun with a tungsten electrode advancing mechanism includes a welding gun body 1, a tungsten electrode holder 2, a nozzle 3, a tungsten electrode cap 4, and an advancing mechanism 5. The welding gun body 1 comprises a gun body 11 and a handle 12, a tungsten electrode holder fixing cavity 14, a damper installation cavity 15, a tungsten electrode holder clamping cavity 16 and a tungsten electrode cap fixing cavity 17 are sequentially arranged in the gun body 11 from left to right, and threads are arranged on the cavity walls of the tungsten electrode holder fixing cavity 14 and the tungsten electrode cap fixing cavity 17; a protective gas channel 13 is arranged inside the handle 12, and the protective gas channel 13 is communicated with a tungsten electrode holder fixing cavity 14. The propelling mechanism 5 comprises a propelling button 51, a propelling elastic sheet 52, a tungsten electrode clamp 53, a spring 54 and a damper 55, wherein the damper 55 is annular and is divided into different specifications according to the inner diameter of the annular, and when the propelling mechanism is used, the inner diameter of the selected specification is always slightly smaller than the diameter of the tungsten electrode rod 6, so that the tungsten electrode rod 6 can be clamped and prevented from retreating; the damper 55 is made of a high temperature resistant material.
As shown in FIG. 4, a pushing cavity 41 is arranged at the left end of the tungsten electrode cap 4, and a button hole 42 is arranged at the top of the cavity wall of the pushing cavity 41.
As shown in fig. 5, the spring plate of the pushing spring plate 52 is provided with a tungsten electrode advancing groove 521.
According to the above description, the tungsten electrode holder 2 is installed in the tungsten electrode holder fixing cavity 14 through the thread and is located at the left end of the welding gun body 1, and the nozzle 3 is sleeved outside the tungsten electrode holder 2 and is connected with the welding gun body 1; a socket is arranged on the gun body 11 of the welding gun body 1 corresponding to the damper installation cavity 15, the damper 55 is installed into the damper installation cavity 15 through the socket, and the adaptive damper 55 can be replaced according to tungsten electrode rods with different specifications and diameters; the tungsten electrode clamp 53 is installed into the tungsten electrode clamp clamping cavity 16 from the right side of the welding gun body 1 through a spring 54; the push button 51 of the push mechanism 5 is arranged in the button hole 42 on the tungsten electrode cap 4, the push spring piece 52 is arranged in the push cavity 41 of the tungsten electrode cap 4 and is positioned below the push button 51, the top of the push spring piece 52 is contacted with the bottom of the push button 51, the left end of the push spring piece 52 is contacted with the right end of the tungsten electrode clamp 53, and the right end is propped against the inner wall of the push cavity 41. The tungsten electrode cap 4 is installed in the tungsten electrode cap fixing cavity 17 at the right end of the welding gun body 1 through threads.
In the welding process, the welding gun is in a normal state, and the tungsten electrode rod 6 is arranged inside the welding gun sequentially through the nozzle 3, the tungsten electrode holder 2, the damper 55, the tungsten electrode holder 53 and the tungsten electrode advancing groove 521. The outlet end of the tungsten electrode clamp 53 is of an expanding structure, and the caliber of the tungsten electrode clamp is slightly smaller than the outer diameter of the tungsten electrode rod 6, so that the tungsten electrode clamp is expanded; meanwhile, the tungsten electrode holder 53 is restricted in the tungsten electrode holder clamping cavity 16 of the welding gun body 1 due to the tension of the spring 54, and is tightly contacted with the gun body 11, the tungsten electrode bar 6 can not retreat, the voltage and current from the welding power supply are conducted to the tungsten electrode bar 6 from the tungsten electrode holder, and the tungsten electrode bar 6 is contacted with the base metal to generate electric arc, so that the welding operation is started. During the welding process, the tungsten electrode rod 6 gradually evaporates and wears out, the required length needs to be extended again, at the moment, the push button 51 is pressed down, the push spring piece 52 extends and stretches under the pressure of the push button 51, one end of the push spring piece 52 abuts against the inner wall of the push cavity 41 on the tungsten electrode cap 4, one end of the push spring piece abuts against the tungsten electrode clamp 53 to push the tungsten electrode clamp to move forwards, and the tungsten electrode clamp 53 carries the tungsten electrode rod 6 to extend forwards together. When the expansion port of the tungsten electrode clamp 53 extends out of the tungsten electrode clamp clamping cavity 16, the port tension is released after losing the constraint of the tungsten electrode clamp clamping cavity 16, the tungsten electrode rod 6 is not clamped any more, and the tungsten electrode rod 6 is pushed forwards and clamped by the damper 55. When the push button 51 is released, the push spring piece 52 loses pressure and recovers, the spring 54 is reset under the influence of tension, the tungsten electrode clamp 53 is driven to retract, the tungsten electrode rod 6 is kept still due to the damper 55, the tungsten electrode clamp 53 is pulled back to the tungsten electrode clamp clamping cavity 16, and the pushing and extending process of the tungsten electrode rod 6 is completed.
If the tungsten electrode rod 6 is too long, the push button 51 is pressed, a force is applied to the tungsten electrode rod 6 from the front end to adjust the proper extension length, and then the push button 51 is released.
Finally, it should be noted that the above description of the embodiments is only for illustrating the technical solutions of the present invention, and is not a limitation of the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention also belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a welder with tungsten utmost point advancing mechanism which characterized in that: the tungsten electrode holder is arranged at the front end of the welding gun body, the nozzle is sleeved on the tungsten electrode holder and connected with the front end of the welding gun body, and the tungsten electrode cap is arranged at the rear end of the welding gun body;
the welding gun body comprises a grip and a gun body, and a protective gas channel is arranged in the grip; a tungsten electrode holder fixing cavity, a damper installation cavity, a tungsten electrode holder clamping cavity and a tungsten electrode cap fixing cavity are arranged in the gun body, and the protective gas channel is communicated with the tungsten electrode holder fixing cavity;
the pushing mechanism comprises a tungsten electrode clamp, a spring, a damper, a pushing button and a pushing elastic sheet, the tungsten electrode clamp penetrates through the spring and is installed in a tungsten electrode clamp clamping cavity of the welding gun body, the damper is installed in a damper installation cavity in the middle of the welding gun body, and the pushing button and the pushing elastic sheet are installed in a tungsten electrode cap;
the tungsten electrode cap is provided with a propelling cavity, the wall of the propelling cavity is provided with a button hole, and the propelling button is arranged in the button hole; the pushing spring plate is arranged in the pushing cavity, and the bottom of the pushing button is connected with the top of the pushing spring plate; the front end of the pushing spring plate is propped against the tail end of the tungsten electrode clamp, and the rear end of the pushing spring plate is propped against the inner side wall of the pushing cavity.
2. A welding gun with a tungsten electrode advancing mechanism according to claim 1, characterized in that: the tungsten electrode holder and the tungsten electrode holder fixing cavity and the tungsten electrode cap fixing cavity are connected through threads.
3. A welding gun with a tungsten electrode advancing mechanism according to claim 1, characterized in that: the damper is circular, and the inner diameter of the selected specification of the damper is slightly smaller than the diameter of the selected specification of the tungsten electrode rod.
4. A welding gun with a tungsten electrode advancing mechanism according to claim 3, characterized in that: the damper is a high temperature resistant soft material.
5. A welding gun with a tungsten electrode advancing mechanism according to claim 1, characterized in that: the outlet end of the tungsten electrode clamp is in an expansion type, the aperture of the port is slightly smaller than the outer diameter of the tungsten electrode, and when the tungsten electrode passes through the port, the port can be opened in a Y shape.
6. A welding gun with a tungsten electrode advancing mechanism according to claim 1, characterized in that: and a tungsten electrode advancing groove is formed in the middle of the elastic sheet of the propelling elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598512.3U CN212094789U (en) | 2020-04-21 | 2020-04-21 | Welding gun with tungsten electrode propelling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598512.3U CN212094789U (en) | 2020-04-21 | 2020-04-21 | Welding gun with tungsten electrode propelling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212094789U true CN212094789U (en) | 2020-12-08 |
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ID=73640240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020598512.3U Active CN212094789U (en) | 2020-04-21 | 2020-04-21 | Welding gun with tungsten electrode propelling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212094789U (en) |
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2020
- 2020-04-21 CN CN202020598512.3U patent/CN212094789U/en active Active
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