CN214558170U - Air-water double-cold plasma cutting torch - Google Patents

Air-water double-cold plasma cutting torch Download PDF

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Publication number
CN214558170U
CN214558170U CN202120368551.9U CN202120368551U CN214558170U CN 214558170 U CN214558170 U CN 214558170U CN 202120368551 U CN202120368551 U CN 202120368551U CN 214558170 U CN214558170 U CN 214558170U
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cavity
water
cutting torch
communicated
annular
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CN202120368551.9U
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Chinese (zh)
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欧武红
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Wuhan Xinghuayuan Welding And Cutting Equipment Co ltd
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Wuhan Xinghuayuan Welding And Cutting Equipment Co ltd
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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 air water, its difference lies in: a cutting torch body; a fixed cover; the nozzle fixing seat and the fixing cover form a protective gas channel, and an air inlet channel communicated with the protective gas channel is formed in the nozzle fixing seat; the electrode conducting seat is sleeved in the nozzle fixing seat through an insulating sleeve, a cooling water pipe is arranged in an inner cavity of the electrode conducting seat, a first annular water cavity is arranged between the insulating sleeve and the electrode conducting seat, and a second annular water cavity communicated with the first annular water cavity is arranged between the insulating sleeve and the nozzle fixing seat; the electrode, form the return water channel between conductive seat of the said cooling water pipe and electrode cavity, the said return water channel is communicated with said first annular water cavity; a nozzle; an air inlet pipe; a water inlet pipe; and the water return pipe is communicated with the second annular water cavity. The utility model discloses there is better cooling effect, the practicality is strong.

Description

Air-water double-cold plasma cutting torch
Technical Field
The utility model relates to a plasma welding cuts technical field, especially relates to a two cold plasma cutting torches of 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 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 gas-water double-cold plasma cutting torch 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 air water, have better cooling effect, the practicality is strong.
In order to solve the technical problem, the utility model provides a two cold plasma cutting torches of air water, its difference lies in: which comprises
The cutting torch body is arranged at the rear part of the cutting torch;
the fixed cover is arranged at the front part of the cutting torch;
the nozzle fixing seat is arranged in the cutting torch body and the fixing cover, a protective gas channel is formed between the nozzle fixing seat and the fixing cover, and an air inlet channel communicated with the protective gas channel is formed in the nozzle fixing seat;
the electrode conducting seat is sleeved in the nozzle fixing seat through an insulating sleeve, a cooling water pipe is arranged in an inner cavity of the electrode conducting seat, a first annular water cavity is arranged between the insulating sleeve and the electrode conducting seat, and a second annular water cavity communicated with the first annular water cavity is arranged between the insulating sleeve and the nozzle fixing seat;
the electrode is arranged at the front end of the electrode conductive seat, a water return channel is formed among the cooling water pipe, the electrode conductive seat and the electrode inner cavity, and the water return channel is communicated with the first annular water cavity;
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 discharge cavity is communicated with the air inlet channel;
the gas inlet pipe is arranged in the cutting torch body and communicated with the gas inlet channel;
the water inlet pipe is arranged in the cutting torch body and communicated with the cooling water pipe; and
and the water return pipe is arranged in the cutting torch body and is communicated with the second annular water cavity.
According to the technical scheme, a first annular cavity is arranged between the insulating sleeve and the nozzle fixing seat, and is positioned between the air inlet channel and the protective air channel and communicated with the air inlet channel and the protective air channel.
According to the technical scheme, a second annular cavity communicated with the first annular cavity is further arranged between the insulating sleeve and the nozzle fixing seat, and the second annular cavity is communicated with the discharge cavity.
According to the technical scheme, a spiral groove is formed between the first annular cavity and the second annular cavity to form a first spiral airflow channel.
According to the technical scheme, a third annular cavity is arranged between the insulating sleeve and the electrode conducting seat, and is positioned between the second annular cavity and the discharge cavity and communicated with the second annular cavity and the discharge cavity.
According to the technical scheme, a spiral groove is formed between the third annular cavity and the discharge cavity to form a second spiral airflow channel.
According to the technical scheme, the outer side of the nozzle is also provided with a shielding cover.
According to the technical scheme, the shielding cover is provided with a plurality of air outlet holes.
According to the technical scheme, the nozzle fixing seat is further connected with an arc guiding line.
According to the technical scheme, the electrode and the electrode conducting seat are in threaded connection, the nozzle and the nozzle fixing seat are in threaded connection, and the fixing cover and the nozzle fixing seat are in threaded connection.
Compared with the prior art, the utility model discloses possess following beneficial effect:
this two cold plasma cutting torches of air water, through the improvement in gas circuit and water route in the butt section cutting torch, prolonged the flow distance of gas and cooling water in the cutting torch, can effectively take out the heat in the cutting torch fast, improved cooling efficiency by a wide margin, make the cutting torch body not scald, wearing parts such as electrode and nozzle are more durable, but continuous long-time work has improved the life of cutting torch, and the practicality is strong.
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-fixed cover, 3-nozzle fixed seat (3-1-air inlet channel), 4-insulating sleeve, 5-electrode conductive seat, 6-electrode, 7-nozzle, 8-air inlet tube, 9-water inlet tube, 10-water return tube, 11-cooling water tube, 12-shielding cover (12-1-air outlet hole), 13-arc leading line, 14-protective gas channel, 15-discharge cavity, 16-first annular cavity, 17-second annular cavity, 18-third annular cavity, 19-first spiral air flow channel, 20-second spiral air flow channel, 21-water return channel, 22-first annular water cavity and 23-second annular water cavity.
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 gas-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 fixed cover 2 is arranged at the front part of the cutting torch;
the nozzle fixing seat 3 is arranged in the cutting torch body 1 and the fixing cover 2, a protective gas channel 14 is formed between the nozzle fixing seat 3 and the fixing cover 2, and an air inlet channel 3-1 communicated with the protective gas channel 14 is 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, a cooling water pipe 11 is arranged in an inner cavity of the electrode conducting seat 5, a first annular water cavity 22 is arranged between the insulating sleeve 4 and the electrode conducting seat 5, and a second annular water cavity 23 communicated with the first annular water cavity 22 is arranged between the insulating sleeve 4 and the nozzle fixing seat 3;
the electrode 6 is arranged at the front end of the electrode conductive seat 5, a water return channel 21 is formed among the cooling water pipe 11, the electrode conductive seat 5 and the inner cavity of the electrode 6, and the water return channel 21 is communicated with the first annular water cavity 22;
the nozzle 7 is arranged at the front end of the nozzle fixing seat 3, a discharge cavity 15 is formed between the nozzle 7 and the electrode 6, and the discharge cavity 15 is communicated with the air inlet channel 3-1;
the air inlet pipe 8 is arranged in the cutting torch body 1 and is communicated with the air inlet channel 3-1;
the water inlet pipe 9 is arranged in the cutting torch body 1 and communicated with the cooling water pipe 11; and
and the water return pipe 10 is arranged in the cutting torch body 1 and is communicated with the second annular water cavity 23.
Specifically, a first annular cavity 16 is arranged between the insulating sleeve 4 and the nozzle fixing seat 3, and the first annular cavity 16 is located between the air inlet channel 3-1 and the protective air channel 14 and is communicated with the air inlet channel 3-1 and the protective air channel 14.
Specifically, a second annular cavity 17 communicated with the first annular cavity 16 is further arranged between the insulating sleeve 4 and the nozzle fixing seat 3, and the second annular cavity 17 is communicated with the discharge cavity 15.
Preferably, a spiral groove is formed between the first annular cavity 16 and the second annular cavity 17 to form a first spiral air flow channel 19 so as to form a rotating air flow to pressurize and accelerate the air flow.
Specifically, a third annular cavity 18 is arranged between the insulating sleeve 4 and the electrode conducting seat 5, and the third annular cavity 18 is positioned between and communicated with the second annular cavity 17 and the discharge cavity 15.
Preferably, a spiral groove is formed between the third annular cavity 18 and the discharge cavity 15 to form a second spiral airflow channel 20 so as 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, a shielding cover 12 is further arranged outside the nozzle 7.
Preferably, the shielding case 12 is provided with a plurality of air outlet holes 12-1.
Specifically, the nozzle fixing seat 3 is further connected with an arc guiding line 13.
Preferably, the electrode 6 and the electrode conducting seat 5 are in threaded connection, the nozzle 7 and the nozzle fixing seat 3 are in threaded connection, and the fixing cover 2 and the nozzle fixing seat 3 are in threaded connection.
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 8, 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 13 connected with the nozzle fixing seat 3, the working gas enters the cutting torch from the air inlet pipe 8, enters the first annular cavity 16 after passing through the air inlet channel 3-1, forms the ionized working gas all the way, and enters the discharge chamber 15 after passing through the second annular cavity 17 and the third annular cavity 18 in sequence; the other path forms cooling protective gas which is discharged from the air outlet hole 12-1 of the shielding case 12 and the front part of the nozzle 7 after passing through the protective gas channel 14.
The embodiment of the utility model provides an in, cooling water gets into cutting torch from inlet tube 9, changes over to return water passageway 21, passes through first annular water cavity 22, second annular water cavity 23 in proper order, discharges from wet return 10.
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 air water which characterized in that: which comprises
The cutting torch body (1) is arranged at the rear part of the cutting torch;
the fixed cover (2) is arranged at the front part of the cutting torch;
the nozzle fixing seat (3) is arranged in the cutting torch body (1) and the fixing cover (2), a protective gas channel (14) is formed between the nozzle fixing seat (3) and the fixing cover (2), and an air inlet channel (3-1) communicated with the protective gas channel (14) is 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), a cooling water pipe (11) is arranged in an inner cavity of the electrode conductive seat (5), a first annular water cavity (22) is arranged between the insulating sleeve (4) and the electrode conductive seat (5), and a second annular water cavity (23) communicated with the first annular water cavity (22) is arranged between the insulating sleeve (4) and the nozzle fixing seat (3);
the electrode (6) is arranged at the front end of the electrode conductive seat (5), a water return channel (21) is formed among the cooling water pipe (11), the electrode conductive seat (5) and the inner cavity of the electrode (6), and the water return channel (21) is communicated with the first annular water cavity (22);
the nozzle (7) is arranged at the front end of the nozzle fixing seat (3), a discharge cavity (15) is formed between the nozzle (7) and the electrode (6), and the discharge cavity (15) is communicated with the air inlet channel (3-1);
the air inlet pipe (8) is arranged in the cutting torch body (1) and is communicated with the air inlet channel (3-1);
the water inlet pipe (9) is arranged in the cutting torch body (1) and is communicated with the cooling water pipe (11); and
and the water return pipe (10) is arranged in the cutting torch body (1) and is communicated with the second annular water cavity (23).
2. The gas-water double-cold plasma cutting torch as claimed in claim 1, wherein: a first annular cavity (16) is arranged between the insulating sleeve (4) and the nozzle fixing seat (3), and the first annular cavity (16) is positioned between the air inlet channel (3-1) and the protective air channel (14) and communicated with the air inlet channel and the protective air channel.
3. The gas-water double-cold plasma cutting torch as claimed in claim 2, wherein: and a second annular cavity (17) communicated with the first annular cavity (16) is further arranged between the insulating sleeve (4) and the nozzle fixing seat (3), and the second annular cavity (17) is communicated with the discharge cavity (15).
4. The gas-water double-cold plasma cutting torch as claimed in claim 3, wherein: and a spiral groove is arranged between the first annular cavity (16) and the second annular cavity (17) to form a first spiral airflow channel (19).
5. The gas-water double-cold plasma cutting torch as claimed in claim 3, wherein: and a third annular cavity (18) is arranged between the insulating sleeve (4) and the electrode conducting seat (5), and the third annular cavity (18) is positioned between the second annular cavity (17) and the discharge cavity (15) and communicated with the second annular cavity and the discharge cavity.
6. The gas-water double-cold plasma cutting torch as claimed in claim 5, wherein: a spiral groove is arranged between the third annular cavity (18) and the discharge cavity (15) to form a second spiral airflow channel (20).
7. The gas-water double-cold plasma cutting torch as claimed in claim 1, wherein: and a shielding cover (12) is also arranged on the outer side of the nozzle (7).
8. The gas-water dual-cold plasma cutting torch as set forth in claim 7, wherein: the shielding cover (12) is provided with a plurality of air outlet holes (12-1).
9. The gas-water double-cold plasma cutting torch as claimed in claim 1, wherein: and the nozzle fixing seat (3) is also connected with an arc guiding line (13).
10. The gas-water double-cold plasma cutting torch as claimed in claim 1, wherein: adopt threaded connection between electrode (6) and the electrically conductive seat of electrode (5), adopt threaded connection between nozzle (7) and nozzle fixing base (3), adopt threaded connection between fixed lid (2) and nozzle fixing base (3).
CN202120368551.9U 2021-02-08 2021-02-08 Air-water double-cold plasma cutting torch Active CN214558170U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120368551.9U CN214558170U (en) 2021-02-08 2021-02-08 Air-water double-cold plasma cutting torch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120368551.9U CN214558170U (en) 2021-02-08 2021-02-08 Air-water double-cold plasma cutting torch

Publications (1)

Publication Number Publication Date
CN214558170U true CN214558170U (en) 2021-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120368551.9U Active CN214558170U (en) 2021-02-08 2021-02-08 Air-water double-cold plasma cutting torch

Country Status (1)

Country Link
CN (1) CN214558170U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114799411A (en) * 2022-05-13 2022-07-29 扬州英诺精密机械科技有限公司 Thermal cutting device for automobile disassembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114799411A (en) * 2022-05-13 2022-07-29 扬州英诺精密机械科技有限公司 Thermal cutting device for automobile disassembly

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