CN214443771U - Fast circulating air-water double-cold plasma cutting torch - Google Patents
Fast circulating air-water double-cold plasma cutting torch Download PDFInfo
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- CN214443771U CN214443771U CN202120351135.8U CN202120351135U CN214443771U CN 214443771 U CN214443771 U CN 214443771U CN 202120351135 U CN202120351135 U CN 202120351135U CN 214443771 U CN214443771 U CN 214443771U
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Abstract
The utility model relates to a plasma welding cuts technical field, especially relates to a two cold plasma cutting torches of quick cycle air water, its difference lies in: which comprises a cutting torch body; the first fixed cover is internally provided with a protective gas channel; the nozzle fixing seat is arranged in the first fixing cover, an air inlet channel communicated with the protective gas channel is formed in the nozzle fixing seat, and a cooling water channel and a water return channel are further formed in the nozzle fixing seat; the electrode conductive seat is sleeved in the nozzle fixing seat through an insulating sleeve, and a cooling water pipe is arranged in an inner cavity of the electrode conductive seat; the electrode, form the water inlet channel between conducting seat of the said cooling water pipe and electrode, electrode cavity, the said water inlet channel is communicated with said cooling water channel; the cooling water channel and the water return channel extend to the front side part of the nozzle and are communicated with each other; a water inlet pipe; a water return pipe; and an intake pipe. The utility model discloses realize the effective cooling to electrode, nozzle, the practicality is strong.
Description
Technical Field
The utility model relates to a plasma welding cuts technical field, especially relates to a two cold plasma cutting torches of quick cycle air water.
Background
Plasma cutting has the advantages of high processing efficiency, good quality, low cost and the like, is more and more widely applied to thermal cutting, and mainly depends on high-temperature and high-speed plasma arc and flame flow thereof to melt and evaporate a cut workpiece and blow the workpiece off a substrate. The plasma cutting torch is a key part in a plasma cutting system and mainly comprises a cutting torch body, an insulating sleeve, an electrode, a nozzle and other key parts, a discharge cavity is formed between the electrode and an inner cavity of the nozzle, when the electrode is electrified, gas is ionized in the discharge cavity to generate high-temperature plasma, and the high-temperature plasma is sprayed out from a nozzle of the nozzle to cut metal materials.
The electrode and nozzle of a plasma cutting torch are the major wearing parts, and therefore, the electrode and nozzle need to be cooled effectively to ensure a long service life. The high-current plasma cutting torch has the defects that the cooling requirement is difficult to meet by adopting gas heat dissipation, and cooling water is required to cool the nozzle. The existing plasma cutting torch has the advantages of common cooling effect, short service life of components and low working efficiency.
In view of this, in order to overcome the shortcomings of the prior art, the rapid circulating gas-water double-cold plasma cutting torch is provided, which is a problem to be solved in the field.
Disclosure of Invention
The utility model aims to overcome prior art's shortcoming, provide a two cold plasma cutting torches of quick cycle air water, realize the effective cooling of bisection cutting torch electrode, nozzle, the practicality is strong.
For solving the technical problem, the utility model provides a two cold plasma cutting torches of quick cycle air water, its difference lies in: which comprises
The cutting torch body is arranged at the rear part of the cutting torch;
the first fixed cover is arranged at the front part of the cutting torch, and a protective gas channel is arranged in the first fixed cover;
the nozzle fixing seat is arranged in the first fixing cover, an air inlet channel communicated with the protective gas channel is formed in the nozzle fixing seat, and a cooling water channel and a water return channel are further formed in the nozzle fixing seat;
the electrode conductive seat is sleeved in the nozzle fixing seat through an insulating sleeve, and a cooling water pipe is arranged in an inner cavity of the electrode conductive seat;
the electrode is arranged at the front end of the electrode conductive seat, a water inlet channel is formed among the cooling water pipe, the electrode conductive seat and the electrode inner cavity, and the water inlet channel is communicated with the cooling water channel;
the nozzle is arranged at the front end of the nozzle fixing seat, a discharge cavity is formed between the nozzle and the electrode, and the cooling water channel and the water return channel both extend to the front side part of the nozzle and are communicated with each other;
the water inlet pipe is arranged in the cutting torch body and communicated with the cooling water pipe;
the water return pipe is arranged in the cutting torch body and communicated with the water return channel; and
and the air inlet pipe is arranged in the cutting torch body and is communicated with the air inlet channel.
According to the technical scheme, a first annular water cavity communicated with the water inlet channel is arranged between the electrode conducting seat and the cooling water pipe.
According to the technical scheme, a second annular water cavity communicated with the first annular water cavity is arranged between the insulating sleeve and the electrode conducting seat, and the second annular water cavity is also communicated with the cooling water channel.
According to the technical scheme, the nozzle fixing seat is further provided with a third annular water cavity and a fourth annular water cavity which are communicated with the cooling water channel and the water return channel.
According to the technical scheme, a fifth annular water cavity communicated with the cooling water channel and the water return channel is arranged between the first fixed cover and the front side part of the nozzle.
According to the technical scheme, the tail end of the air inlet channel is provided with a first annular cavity and a second annular cavity which are communicated, the first annular cavity is communicated with the discharge cavity, and the second annular cavity is communicated with the protective gas channel.
According to the technical scheme, a third annular cavity is further arranged between the first annular cavity and the discharge cavity, and a vortex ring is arranged between the third annular cavity and the discharge cavity.
According to the technical scheme, an annular water return cavity is further arranged between the water return pipe and the water return channel.
According to the technical scheme, the outer side of the nozzle is further provided with a shielding cover, and a second fixing cover is further arranged between the shielding cover and the first fixing cover.
According to the technical scheme, the nozzle fixing seat is further connected with an arc guiding line.
Compared with the prior art, the utility model discloses possess following beneficial effect:
this two cold plasma cutting torches of quick cycle air water, through the improvement in gas circuit and water route in the butt section cutting torch, the flow distance of gas and cooling water in the cutting torch has been prolonged, the heat transfer area of gas and cooling water in the cutting torch has been increased, and the cooling water can directly carry out the heat transfer of contact to the nozzle surface, can effectively take out the heat in the cutting torch fast, the cooling efficiency is improved by a wide margin, make the cutting torch body not scalded, wearing parts such as electrode and nozzle are more durable, can work for a long time in succession, the life of cutting torch is improved, cutting cost is reduced, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic sectional view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the embodiment of the present invention;
in the figure: 1-cutting torch body, 2-first fixed cover, 3-nozzle fixed seat, 4-insulating sleeve, 5-electrode conductive seat, 6-electrode, 7-nozzle, 8-shielding cover, 9-water inlet pipe, 10-water return pipe, 11-cooling water pipe, 12-air inlet pipe, 13-water inlet channel, 14-air inlet channel, 15-protective gas channel, 16-discharge cavity, 17-first annular water cavity, 18-second annular water cavity, 19-cooling water channel, 20-third annular water cavity, 21-fourth annular water cavity, 22-fifth annular water cavity, 23-water return channel, 24-annular water return cavity, 25-vortex ring, 26-second fixed cover, 27-first annular cavity, 28-second annular cavity, 29-third annular cavity and 30-arc guiding line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the utility model discloses a fast circulation air water double-cold plasma cutting torch, its difference lies in: which comprises
The cutting torch body 1 is arranged at the rear part of the cutting torch;
the first fixed cover 2 is arranged at the front part of the cutting torch, and a protective gas channel 15 is arranged in the first fixed cover 2;
the nozzle fixing seat 3 is arranged in the first fixing cover 2, an air inlet channel 14 communicated with the protective air channel 15 is formed in the nozzle fixing seat 3, and a cooling water channel 19 and a water return channel 23 are further formed in the nozzle fixing seat 3;
the electrode conducting seat 5 is sleeved in the nozzle fixing seat 3 through an insulating sleeve 4, and a cooling water pipe 11 is arranged in an inner cavity of the electrode conducting seat 5;
the electrode 6 is arranged at the front end of the electrode conductive seat 5, a water inlet channel 13 is formed among the cooling water pipe 11, the electrode conductive seat 5 and the inner cavity of the electrode 6, and the water inlet channel 13 is communicated with the cooling water channel 19;
the nozzle 7 is arranged at the front end of the nozzle fixing seat 3, a discharge cavity 16 is formed between the nozzle and the electrode 6, and the cooling water channel 19 and the water return channel 23 both extend to the front side part of the nozzle 7 and are communicated with each other;
the water inlet pipe 9 is arranged in the cutting torch body 1 and communicated with the cooling water pipe 11;
the water return pipe 10 is arranged in the cutting torch body 1 and communicated with the water return channel 23;
and
and the air inlet pipe 12 is arranged in the cutting torch body 1 and is communicated with the air inlet channel 14.
Specifically, a first annular water cavity 17 communicated with the water inlet channel 13 is arranged between the electrode conducting seat 5 and the cooling water pipe 11.
Specifically, a second annular water cavity 18 communicated with the first annular water cavity 17 is arranged between the insulating sleeve 4 and the electrode conducting seat 5, and the second annular water cavity 18 is also communicated with a cooling water channel 19.
Preferably, the nozzle fixing seat 3 is further provided with a third annular water cavity 20 and a fourth annular water cavity 21 which are communicated with the cooling water channel 19 and the water return channel 23.
Specifically, a fifth annular water cavity 22 communicated with the cooling water channel 19 and the water return channel 23 is arranged between the first fixed cover 2 and the front side of the nozzle 7.
Specifically, a first annular cavity 27 and a second annular cavity 28 which are communicated with each other are arranged at the tail end of the air inlet channel 14, the first annular cavity 27 is communicated with the discharge cavity 16, and the second annular cavity 28 is communicated with the protective air channel 15.
Preferably, a third annular cavity 29 is further arranged between the first annular cavity 27 and the discharge cavity 16, and a vortex ring 25 is arranged between the third annular cavity 29 and the discharge cavity 16 to form a rotating airflow, so that the airflow is pressurized and accelerated to form a high-speed concentrated plasma arc, and the cutting quality is improved.
Specifically, an annular water return cavity 24 is further arranged between the water return pipe 10 and the water return channel 23.
Specifically, a shielding cover 8 is further arranged on the outer side of the nozzle 7, and a second fixing cover 26 is further arranged between the shielding cover 8 and the first fixing cover 2.
Specifically, the nozzle fixing seat 3 is further connected with an arc guiding line 30.
The embodiment of the utility model provides an in the cutting torch front portion be the electrode 6, the position that nozzle 7 is located, the cutting torch rear portion be intake pipe 12, inlet tube 9, wet return 10 the position of locating.
In the embodiment of the utility model, when in use, the electrode 6 is connected with the negative pole of the power supply, the nozzle 7 is connected with the positive pole of the power supply through the arc leading line 30 connected with the nozzle fixing seat 3, the working gas enters the cutting torch through the air inlet pipe 12, enters the first annular cavity 27 through the air inlet channel 14, forms ionized working gas all the way, and enters the discharge cavity 16 through the third annular cavity 29; the other path forms the cooling shielding gas, which enters the shielding gas channel 15 after passing through the second annular cavity 28 and finally exits from the front of the nozzle 7.
The embodiment of the utility model provides an in, cooling water gets into the cutting torch from inlet tube 9, changes over to inhalant canal 13, enters into cooling water passageway 19 after first annular water cavity 17, second annular water cavity 18 in proper order, and the fifth annular water cavity 22 of side before going into nozzle 7 after passing through fourth annular water cavity 21 again changes over to return water passageway 23, through annular return water cavity 24, discharges from wet return 10. The structure enables the electrode, the nozzle and the cooling water to be in full contact heat exchange, and further improves the cooling effect.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a two cold plasma cutting torches of quick cycle air water which characterized in that: which comprises
The cutting torch body (1) is arranged at the rear part of the cutting torch;
the first fixed cover (2) is arranged at the front part of the cutting torch, and a protective gas channel (15) is arranged in the first fixed cover (2);
the nozzle fixing seat (3) is arranged in the first fixing cover (2), an air inlet channel (14) communicated with the protective air channel (15) is formed in the nozzle fixing seat (3), and a cooling water channel (19) and a water return channel (23) are further formed in the nozzle fixing seat (3);
the electrode conductive seat (5) is sleeved in the nozzle fixing seat (3) through an insulating sleeve (4), and a cooling water pipe (11) is arranged in an inner cavity of the electrode conductive seat (5);
the electrode (6) is arranged at the front end of the electrode conductive seat (5), a water inlet channel (13) is formed among the cooling water pipe (11), the electrode conductive seat (5) and the inner cavity of the electrode (6), and the water inlet channel (13) is communicated with the cooling water channel (19);
the nozzle (7) is arranged at the front end of the nozzle fixing seat (3), a discharge cavity (16) is formed between the nozzle and the electrode (6), and the cooling water channel (19) and the water return channel (23) both extend to the front side part of the nozzle (7) and are communicated with each other;
the water inlet pipe (9) is arranged in the cutting torch body (1) and is communicated with the cooling water pipe (11);
the water return pipe (10) is arranged in the cutting torch body (1) and is communicated with the water return channel (23);
and
the air inlet pipe (12) is arranged in the cutting torch body (1) and communicated with the air inlet channel (14).
2. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 1, wherein: and a first annular water cavity (17) communicated with the water inlet channel (13) is arranged between the electrode conductive seat (5) and the cooling water pipe (11).
3. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 2, wherein: and a second annular water cavity (18) communicated with the first annular water cavity (17) is arranged between the insulating sleeve (4) and the electrode conducting seat (5), and the second annular water cavity (18) is also communicated with a cooling water channel (19).
4. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 3, wherein: and the nozzle fixing seat (3) is also provided with a third annular water cavity (20) and a fourth annular water cavity (21) which are communicated with the cooling water channel (19) and the water return channel (23).
5. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 1, wherein: and a fifth annular water cavity (22) communicated with the cooling water channel (19) and the water return channel (23) is arranged between the first fixed cover (2) and the front side part of the nozzle (7).
6. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 1, wherein: the tail end of the air inlet channel (14) is provided with a first annular cavity (27) and a second annular cavity (28) which are communicated, the first annular cavity (27) is communicated with the discharge cavity (16), and the second annular cavity (28) is communicated with the protective gas channel (15).
7. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 6, wherein: a third annular cavity (29) is further arranged between the first annular cavity (27) and the discharge cavity (16), and a vortex ring (25) is arranged between the third annular cavity (29) and the discharge cavity (16).
8. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 1, wherein: an annular water return cavity (24) is further arranged between the water return pipe (10) and the water return channel (23).
9. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 1, wherein: the outer side of the nozzle (7) is further provided with a shielding cover (8), and a second fixing cover (26) is further arranged between the shielding cover (8) and the first fixing cover (2).
10. The fast circulating gas-water dual-cold plasma cutting torch as recited in claim 1, wherein: and the nozzle fixing seat (3) is also connected with an arc guiding line (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120351135.8U CN214443771U (en) | 2021-02-08 | 2021-02-08 | Fast circulating air-water double-cold plasma cutting torch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120351135.8U CN214443771U (en) | 2021-02-08 | 2021-02-08 | Fast circulating air-water double-cold plasma cutting torch |
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| Publication Number | Publication Date |
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| CN214443771U true CN214443771U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120351135.8U Active CN214443771U (en) | 2021-02-08 | 2021-02-08 | Fast circulating air-water double-cold plasma cutting torch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951931A (en) * | 2022-04-27 | 2022-08-30 | 江苏京生管业有限公司 | Plasma welding device for steel structure treatment |
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2021
- 2021-02-08 CN CN202120351135.8U patent/CN214443771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951931A (en) * | 2022-04-27 | 2022-08-30 | 江苏京生管业有限公司 | Plasma welding device for steel structure treatment |
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