CN218926523U - Titanium alloy welding gun head - Google Patents
Titanium alloy welding gun head Download PDFInfo
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- CN218926523U CN218926523U CN202222849608.4U CN202222849608U CN218926523U CN 218926523 U CN218926523 U CN 218926523U CN 202222849608 U CN202222849608 U CN 202222849608U CN 218926523 U CN218926523 U CN 218926523U
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- air inlet
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- inlet chamber
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Abstract
The utility model discloses a titanium alloy welding gun head which comprises an electrode seat and a tungsten electrode, wherein an integrally formed jacket is arranged at the bottom end of the electrode seat, an air inlet chamber is arranged at the outer side of the electrode seat and close to the top end of the electrode seat, an inner nozzle is arranged at the lower part of the air inlet chamber and close to the center of the air inlet chamber, and an air spraying cover is arranged at the outer side of the inner nozzle. The beneficial effects of the utility model are as follows: through being provided with air inlet chamber, interior nozzle and gas injection cover, can carry the argon gas to the inside of interior nozzle and gas injection cover through the air inlet chamber, interior nozzle can protect the outside of argon gas injection at the tungsten electrode, the gas injection cover can protect the outside of argon gas injection at the interior nozzle to make the argon gas carry out multiple protection, and keep apart external air effectively, reduce the contact of titanium alloy and air in the welding process, avoid titanium alloy to absorb more hydrogen and produce the gas pocket, guarantee titanium alloy's welding quality.
Description
Technical Field
The utility model relates to a titanium alloy welding gun head, in particular to a titanium alloy welding gun head, and belongs to the technical field of welding gun heads.
Background
When the titanium alloy is welded, the titanium alloy is easily polluted by oxygen, nitrogen and hydrogen due to high chemical activity, and is welded in an argon arc welding mode, and the welding position is protected by argon.
In the prior art, chinese patent publication No. CN213379770U provides a titanium alloy welding gun head, which comprises an upper air chamber sleeved on the upper half part of the welding gun head, a lower air chamber sleeved on the lower half part of the welding gun head and an electrode at the lower end of the welding gun head; the upper air chamber is also provided with an air inlet pipe, a cable for supplying power to the welding gun head penetrates through the air inlet pipe, wherein argon required by welding enters the inner cavity of the upper air chamber along a gap between the cable and the air inlet pipe. The titanium alloy welding head provided by the utility model can provide a gas path for outputting strip argon so as to meet the welding requirements under various conditions.
In the implementation process, the prior welding gun head is found that the protection of argon to the titanium alloy is insufficient in the welding process of the titanium alloy, and the isolation effect to air is poor in the welding process, so that the titanium alloy is easy to absorb more hydrogen to form air holes, thereby influencing the welding effect of the titanium alloy, and therefore, the titanium alloy welding gun head is provided.
Disclosure of Invention
The utility model realizes the aim through the following technical scheme that the titanium alloy welding gun head comprises an electrode base and a tungsten electrode, wherein the bottom end of the electrode base is provided with an integrally formed jacket:
an air inlet chamber is arranged at the outer side of the electrode seat and close to the top end and used for conveying argon;
an inner nozzle is arranged below the air inlet chamber and close to the center and used for spraying argon gas outside the tungsten electrode for protection;
and the outer side of the inner nozzle is provided with an air spraying cover for spraying argon outside the inner nozzle to isolate air.
Preferably, an insulating seat is arranged on the electrode seat and at the top end, and the insulating seat and the electrode seat are integrally formed.
Preferably, the air inlet chamber is arranged on the outer side of the insulating seat and is in threaded connection with the insulating seat, an integrally formed air inlet pipe is arranged on the left side of the air inlet chamber, a movable joint is arranged on the outer side of the air inlet pipe, and the movable joint is rotationally connected with the air inlet pipe.
Preferably, a connecting ring is arranged at the outer side of the air inlet chamber and close to the bottom end, and threads are arranged on the inner wall of the connecting ring.
Preferably, the inner nozzle is arranged at the bottom of the air inlet chamber and is in threaded connection with the insulating seat, and a plurality of first air inlets which are uniformly distributed are arranged at the top of the inner nozzle.
Preferably, a plurality of first guide pieces which are uniformly distributed are arranged on the inner wall of the inner nozzle.
Preferably, the air injection cover is arranged on the outer side of the inner nozzle and is in threaded connection with the connecting ring, and a plurality of second air inlets which are uniformly distributed are formed in the top of the air injection cover.
Preferably, a plurality of second guide pieces which are uniformly distributed are arranged on the inner wall of the air injection cover, and a plurality of air outlets which are uniformly distributed are arranged at the bottom of the air injection cover.
The beneficial effects of the utility model are as follows:
1. through being provided with air inlet chamber, interior nozzle and gas injection cover, can carry the argon gas to the inside of interior nozzle and gas injection cover through the air inlet chamber, interior nozzle can protect the outside of argon gas injection at the tungsten electrode, the gas injection cover can protect the outside of argon gas injection at the interior nozzle to make the argon gas carry out multiple protection, and keep apart external air effectively, reduce the contact of titanium alloy and air in the welding process, avoid titanium alloy to absorb more hydrogen and produce the gas pocket, guarantee titanium alloy's welding quality.
2. The argon gas inside the inner nozzle and the air injection cover can be guided and dispersed through the first guide piece and the second guide piece, so that the argon gas is uniformly distributed, the protection effect of the argon gas is improved, meanwhile, the air inlet chamber, the inner nozzle and the air injection cover can be freely disassembled and assembled, when part parts are damaged, the parts can be quickly replaced, and the welding efficiency of the titanium alloy is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a cross-sectional view of the main structure of the present utility model;
FIG. 3 is a schematic view of the connection of the electrode holder and the inlet chamber of the present utility model;
FIG. 4 is a schematic view of the inner nozzle structure of the present utility model;
FIG. 5 is a schematic view of the structure of the air-jet hood of the present utility model.
In the figure: 1. an electrode base; 11. a jacket; 12. an insulating base; 2. a tungsten electrode; 3. an intake chamber; 31. an air inlet pipe; 32. a movable joint; 33. a connecting ring; 4. an inner nozzle; 41. a first air inlet hole; 42. a first guide piece; 5. a gas-spraying cover; 51. a second air inlet hole; 52. a second guide piece; 53. and an air outlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model discloses a titanium alloy welding gun head.
According to the drawings from 1 to 5, the electrode holder comprises an electrode holder 1 and a tungsten electrode 2, wherein the tungsten electrode 2 is arranged on the inner side of the electrode holder 1, and the bottom end of the electrode holder 1 is provided with an integrally formed jacket 11 for clamping and fixing the tungsten electrode 2;
an air inlet chamber 3 is arranged at the outer side of the electrode seat 1 and near the top end and is used for conveying argon;
an inner nozzle 4 is arranged below the air inlet chamber 3 and near the center and is used for spraying argon gas outside the tungsten electrode 2 for protection;
an air-jetting cover 5 is arranged outside the inner nozzle 4 and is used for jetting argon out of the outer side of the inner nozzle 4 to isolate air.
An insulating seat 12 is arranged on the electrode seat 1 and at the top end, the insulating seat 12 and the electrode seat 1 are integrally formed, and insulation protection can be carried out between the electrode seat 1 and the air inlet chamber 3.
The air inlet chamber 3 sets up in the outside of insulating seat 12, and with insulating seat 12 threaded connection, the left side of air inlet chamber 3 is provided with integrated into one piece's intake pipe 31, the outside of intake pipe 31 is provided with movable joint 32, movable joint 32 and intake pipe 31 rotate to be connected, intake pipe 31 can link to each other with outside argon gas pipeline through movable joint 32 to can carry the argon gas to air inlet chamber 3 in, simultaneously, movable joint 32 links to each other with intake pipe 31 can make the direction of argon gas pipeline automatically regulated, conveniently welds the titanium alloy.
An integrally formed connecting ring 33 is arranged at the outer side of the air inlet chamber 3 and near the bottom end, and threads are arranged on the inner wall of the connecting ring 33.
The inner nozzle 4 is arranged at the bottom of the air inlet chamber 3 and is in threaded connection with the insulating seat 12, a plurality of uniformly distributed first air inlets 41 are formed in the top of the inner nozzle 4, the inner part of the inner nozzle 4 can be communicated with the air inlet chamber 3 through the first air inlets 41, and argon is conveniently conveyed into the inner part of the inner nozzle 4.
The inner wall of the inner nozzle 4 is fixedly welded with a plurality of evenly distributed first guide pieces 42, the first guide pieces 42 are arranged in the inner nozzle 4 in a ring-shaped array, flowing argon can be guided, so that the argon uniformly flows downwards along the inner wall of the inner nozzle 4, the distribution of sprayed argon is guaranteed to be uniform, meanwhile, the bottom end of the inner nozzle 4 is in a conical structure, sprayed argon is concentrated on the outer side of the tungsten electrode 2, and the protection effect of the argon on titanium alloy in the welding process is enhanced.
The gas spraying cover 5 is arranged on the outer side of the inner nozzle 4 and is in sleeved fit with the inner nozzle 4, the top end of the gas spraying cover 5 is in threaded connection with the connecting ring 33, so that the gas spraying cover 5 can be installed at the bottom of the air inlet chamber 3, a plurality of evenly distributed second air inlets 51 are formed in the top of the gas spraying cover 5, the inside of the gas spraying cover 5 can be communicated with the air inlet chamber 3 through the second air inlets 51, and argon can be conveniently conveyed to the inside of the gas spraying cover 5.
The inner wall of the gas spraying cover 5 is fixedly welded with a plurality of second guide pieces 52 which are uniformly distributed, the second guide pieces 52 are arranged in the gas spraying cover 5 in a ring-shaped array, flowing argon can be guided, so that the argon uniformly flows downwards along the inner wall of the gas spraying cover 5, and the uniform distribution of the sprayed argon is ensured.
The bottom of the gas spraying cover 5 is provided with a plurality of uniformly distributed gas outlets 53, the bottom end of the gas spraying cover 5 is of a horn-shaped structure, argon can uniformly flow to the outer side of the inner nozzle 4 through the gas outlets 53, and a layer of isolation cover is formed on the outer side of the inner nozzle 4 by the argon, so that the outside air is effectively isolated, the contact between titanium alloy and the air in the welding process is reduced, and the phenomenon that the titanium alloy absorbs more hydrogen to generate air holes is avoided.
Working principle:
when the air-jet device is used, firstly, the air inlet chamber 3 is in threaded connection with the insulating seat 12, the air inlet chamber 3 is installed and fixed, then, the inner nozzle 4 is moved, the top end of the inner nozzle 4 is in threaded connection with the insulating seat 12, the inner nozzle 4 is installed and fixed, then, the air-jet cover 5 is sleeved on the outer side of the inner nozzle 4, and the top end of the air-jet cover 5 is in threaded connection with the connecting ring 33, so that the air-jet cover 5 is installed and fixed;
further, the gas inlet pipe 31 is connected with an external argon gas pipeline through the movable joint 32 to convey argon gas into the gas inlet chamber 3, then the tungsten electrode 2 is arranged on the inner side of the electrode seat 1, and the tungsten electrode 2 is moved to a welding position for welding;
further, in the welding process, argon gas in the air inlet chamber 3 flows into the inner nozzle 4 through the first air inlet hole 41, is guided and dispersed by the first guide piece 42, so that the argon gas uniformly flows downwards, and then the inner nozzle 4 drives the argon gas to the outer side of the tungsten electrode 2, so that the argon gas is protected in the welding process, meanwhile, part of the argon gas flows into the inner part of the gas spraying cover 5 through the second air inlet hole 51 and uniformly flows downwards after being guided through the second guide piece 52, so that the argon gas is uniformly sprayed out through the air outlet 53, and the outer side of the inner nozzle 4 is further protected.
For the person skilled in the art, through being provided with inlet chamber 3, interior nozzle 4 and gas injection cover 5, can carry the argon gas to the inside of interior nozzle 4 and gas injection cover 5 through inlet chamber 3, interior nozzle 4 can protect the outside of tungsten electrode 2 with the argon gas injection, gas injection cover 5 can protect the outside of nozzle 4 including the argon gas injection to make the argon gas carry out multiple protection, and effectively keep apart external air, reduce the contact of titanium alloy and air in the welding process, avoid the titanium alloy to absorb more hydrogen and produce the gas pocket, guarantee the welding quality of titanium alloy.
The argon inside the inner nozzle 4 and the air injection cover 5 can be guided and dispersed through the first guide piece 42 and the second guide piece 52, so that the argon is uniformly distributed, the protection effect of the argon is improved, meanwhile, the air inlet chamber 3, the inner nozzle 4 and the air injection cover 5 can be freely disassembled and assembled, when part parts are damaged, the parts can be quickly replaced, and the welding efficiency of titanium alloy is guaranteed.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A titanium alloy welding gun head comprising:
the electrode comprises an electrode holder (1), wherein the bottom end of the electrode holder (1) is provided with an integrally formed jacket (11);
a tungsten electrode (2), wherein the tungsten electrode (2) is arranged on the inner side of the electrode seat (1);
the method is characterized in that: an air inlet chamber (3) is arranged at the outer side of the electrode seat (1) and close to the top end and used for conveying argon;
an inner nozzle (4) is arranged below the air inlet chamber (3) and near the center and is used for spraying argon gas outside the tungsten electrode (2) for protection;
and an air spraying cover (5) is arranged at the outer side of the inner nozzle (4) and is used for spraying argon out of the outer side of the inner nozzle (4) to isolate air.
2. A titanium alloy welding gun head as defined in claim 1, wherein: an insulating seat (12) is arranged on the electrode seat (1) and at the top end, and the insulating seat (12) and the electrode seat (1) are integrally formed.
3. A titanium alloy welding gun head as defined in claim 1, wherein: the air inlet chamber (3) is arranged on the outer side of the insulating seat (12) and is in threaded connection with the insulating seat (12), an integrally formed air inlet pipe (31) is arranged on the left side of the air inlet chamber (3), a movable joint (32) is arranged on the outer side of the air inlet pipe (31), and the movable joint (32) is rotationally connected with the air inlet pipe (31).
4. A titanium alloy welding gun head as claimed in claim 3, wherein: the air inlet chamber (3) is provided with a connecting ring (33) at the outer side and near the bottom end, and threads are arranged on the inner wall of the connecting ring (33).
5. A titanium alloy welding gun head as defined in claim 1, wherein: the inner nozzle (4) is arranged at the bottom of the air inlet chamber (3) and is in threaded connection with the insulating seat (12), and a plurality of first air inlets (41) which are uniformly distributed are formed in the top of the inner nozzle (4).
6. A titanium alloy welding gun head as defined in claim 5, wherein: the inner wall of the inner nozzle (4) is provided with a plurality of first guide pieces (42) which are uniformly distributed.
7. A titanium alloy welding gun head as defined in claim 1, wherein: the air injection cover (5) is arranged on the outer side of the inner nozzle (4) and is in threaded connection with the connecting ring (33), and a plurality of second air inlets (51) which are uniformly distributed are formed in the top of the air injection cover (5).
8. A titanium alloy welding gun head as set forth in claim 7 wherein: the inner wall of the air injection cover (5) is provided with a plurality of second guide pieces (52) which are uniformly distributed, and the bottom of the air injection cover (5) is provided with a plurality of air outlets (53) which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222849608.4U CN218926523U (en) | 2022-10-26 | 2022-10-26 | Titanium alloy welding gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222849608.4U CN218926523U (en) | 2022-10-26 | 2022-10-26 | Titanium alloy welding gun head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218926523U true CN218926523U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222849608.4U Active CN218926523U (en) | 2022-10-26 | 2022-10-26 | Titanium alloy welding gun head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218926523U (en) |
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2022
- 2022-10-26 CN CN202222849608.4U patent/CN218926523U/en active Active
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