CN218169030U - Plasma cutting gun - Google Patents
Plasma cutting gun Download PDFInfo
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- CN218169030U CN218169030U CN202221512787.6U CN202221512787U CN218169030U CN 218169030 U CN218169030 U CN 218169030U CN 202221512787 U CN202221512787 U CN 202221512787U CN 218169030 U CN218169030 U CN 218169030U
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Abstract
The utility model discloses a plasma cutting gun, which comprises a gun head, wherein the gun head comprises a cathode conductive assembly, an anode conductive body and a middle insulating assembly; the cathode conductive assembly is inserted into the insulator and is partially arranged in the cathode conductive insulation sleeve, the anode conductive body is connected to the bottom end of the insulator and is sleeved outside the cathode conductive insulation sleeve, and the cathode conductive insulation sleeve separates the anode conductive body and the cathode conductive assembly. It adopts the full assembled structure, and all parts demountable assembly make things convenient for the dismantlement in later stage to change.
Description
Technical Field
The utility model relates to a plasma cutting rifle.
Background
At present, each part in the plasma cutting gun (including the gun head, the gun core and the gun body) in the prior art is usually fixed with the gun body by glue, welding or injection molding, for example, chinese patent publication No. CN104084683A discloses a plasma water mist cutting gun, in this way, if the internal parts are damaged, the gun body can only be disassembled violently or the gun head can only be replaced completely, which greatly increases the use cost. Meanwhile, the existing cutting gun is difficult to realize a fully-assembled type (a rapid-assembled type).
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a plasma cutting rifle, it adopts full assembled structure, and all parts removable assecmbly make things convenient for the dismantlement in later stage to change.
In order to solve the technical problem, the technical scheme of the utility model is that: a plasma cutting gun comprises a gun head, wherein the gun head comprises a cathode conductive assembly, an anode conductive body and a middle insulation assembly; wherein, the first and the second end of the pipe are connected with each other,
the middle insulation assembly comprises an insulator and a cathode conductor insulation sleeve, the cathode conductor insulation sleeve is connected to the bottom end of the insulator, the cathode conductor assembly is inserted into the insulator and is partially arranged in the cathode conductor insulation sleeve, the anode conductor is connected to the bottom end of the insulator and is sleeved outside the cathode conductor insulation sleeve, and the cathode conductor insulation sleeve separates the anode conductor and the cathode conductor assembly.
The anode conductor is arranged in the anode conductor insulation sleeve, and the anode conductor is partially arranged in the anode conductor insulation sleeve.
Further, the housing assembly further comprises a housing, the housing is sleeved outside the insulator, and the bottom end part of the housing is connected with the top end part of the anode conductor insulating sleeve.
The top end part of the nozzle is connected with the bottom end part of the anode conductor;
the bottom end of the cathode conductive assembly extends into the nozzle, and a swirl ring is arranged between the cathode conductive assembly and the nozzle;
the shell assembly further comprises a protective cap and a fixed cap, the fixed cap is connected to the outer side of the anode conductor insulating sleeve, the top end portion of the protective cap is connected with the bottom end portion of the fixed cap, and the nozzle is located in the protective cap.
Further, an ion gas channel is arranged in the gun head;
a first air inlet channel is arranged on the insulator;
a second air inlet channel is arranged on the anode conductor;
a third air inlet channel is formed between the cathode conductor insulating sleeve and the anode conductor;
a fourth air inlet channel is formed between the vortex ring and the cathode conductive assembly;
a fifth air inlet channel is formed between the cathode conductive assembly and the nozzle;
the first air inlet channel, the second air inlet channel, the third air inlet channel, the fourth air inlet channel and the fifth air inlet channel are sequentially communicated to form the ion air channel;
and a flame outlet communicated with the fifth air inlet channel is formed in the nozzle.
Further, a protective gas channel is also arranged in the gun head;
a first protective air channel is arranged on the anode conductor;
the bottom end part of the anode conductor insulation sleeve is provided with a uniform hole group;
a second protection channel is formed between the anode conductor and the outer wall of the nozzle and the protection cap;
a plurality of protective medium outlet holes are formed in the outer wall of the protective cap;
the first protection air channel is communicated with the third air inlet channel, and the first protection air channel, the uniform hole group, the second protection channel and the plurality of protection medium outlet holes are communicated to form a protection air channel.
Further, a spray protection medium inlet channel is also arranged in the gun head;
a first protective medium inlet channel is arranged on the insulator;
a second protective medium inlet channel is arranged on the anode conductor;
the bottom end part of the anode conductor insulation sleeve is provided with a hole equalizing group;
a second protection channel is formed between the anode conductor and the outer wall of the nozzle and the protection cap;
a plurality of protective medium outlet holes are formed in the outer wall of the protective cap;
the first protective medium inlet channel, the second protective medium inlet channel, the orifice group, the second protective channel and the plurality of protective medium outlet holes are communicated to form a spray protective medium inlet channel.
Furthermore, the cathode conductive assembly comprises a cathode conductive body, an electrode and a water core, wherein the top end part of the electrode is connected with the bottom end part of the cathode conductive body, and the water core is inserted into the cathode conductive body and extends into the electrode;
a cooling channel is arranged in the gun head;
a first water channel is arranged on the cathode conductor;
a second water channel is arranged on the water core;
a third water channel is formed between the water core and the electrode;
a fourth water channel is formed between the water core and the cathode conductor;
a water passage is arranged on the cathode conductor;
a fifth water channel and a first water return channel which are axially arranged are arranged on the insulator;
a sixth water channel and a second water return channel are arranged on the anode conductor;
the first water channel, the second water channel, the third water channel, the fourth water channel, the fifth water channel, the sixth water channel, the second water return channel and the first water return channel are communicated in sequence to form a cooling channel.
Further, the arc striking device also comprises an arc striking connector, wherein the arc striking connector is connected with the anode conductor and penetrates through the insulator.
Further, still include the body of a gun adapter sleeve, the body of a gun adapter sleeve card is established on the outer wall of insulator.
The top end part of the nozzle is connected with the bottom end part of the anode conductor;
the bottom end of the cathode conductive assembly extends into the nozzle, and a swirl ring is disposed between the cathode conductive assembly and the nozzle.
After the technical scheme is adopted, the utility model discloses a plasma cutting torch's middle insulation subassembly adopts the connected mode of insulator and cathode conductor insulation cover to separate positive pole electric conductor and cathode conductor subassembly through cathode conductor insulation cover, and the insulator is the independent part, connects through this kind of mode and does not need the injection moulding process, does not need to adopt glue yet, and later stage dismantlement is convenient, and it is more convenient to change spare part; in addition, still through the mode that sets up the insulating cover of positive pole electric conductor on the shell subassembly, the convenience that later stage was dismantled has further been improved to such mode.
Drawings
Fig. 1 is a first cross-sectional view of a plasma cutting torch according to the present invention;
fig. 2 is a second cross-sectional view of the plasma cutting gun of the present invention;
fig. 3 is a third cross-sectional view of the plasma cutting gun of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 3, a plasma cutting gun comprises a gun head, wherein the gun head comprises a cathode conductive assembly, an anode conductive body 1 and an intermediate insulation assembly; wherein, the first and the second end of the pipe are connected with each other,
the middle insulation assembly comprises an insulator 2 and a cathode conductor insulation sleeve 3, the cathode conductor insulation sleeve 3 is connected to the bottom end of the insulator 2 through threads, the cathode conductive assembly is inserted into the insulator 2 and is partially arranged in the cathode conductor insulation sleeve 3, the anode conductor 1 is connected to the bottom end of the insulator 2 through a plurality of screws and is sleeved outside the cathode conductor insulation sleeve 3, and the cathode conductor insulation sleeve 3 separates the anode conductor 2 from the cathode conductive assembly.
In this embodiment, plasma cutting gun's middle insulating assembly adopts insulator 2 and the connected mode of negative pole electric conductor insulating cover 3 to separate positive pole electric conductor 1 and negative pole conductive component through negative pole electric conductor insulating cover 3, insulator 2 is independent part, connects through this kind of mode and does not need injection molding process, also need not adopt glue, and the later stage is dismantled conveniently, and it is more convenient to change spare part.
In the embodiment, the plasma cutting gun further comprises a shell assembly, the shell assembly comprises an anode conductor insulating sleeve 4, and the anode conductor 1 is partially arranged in the anode conductor insulating sleeve 4; in addition, still through the mode that sets up positive pole electric conductor insulation cover 4 on the shell subassembly, this kind of mode has further improved the convenience of later stage dismantlement.
Specifically, the housing assembly further comprises a housing 6, the housing 6 is sleeved outside the insulator 2, and the bottom end part of the housing 6 is connected with the top end part of the anode conductor insulating sleeve 4 through threads; in the present embodiment, the housing 6 is made of metal.
Specifically, as shown in fig. 1, the gun head further comprises a nozzle 7, wherein the top end part of the nozzle 7 is connected with the bottom end part of the anode conductor 1 through threads;
the bottom end of the cathode conductive assembly extends into the nozzle 7, and a vortex ring 8 is arranged between the cathode conductive assembly and the nozzle 7;
specifically, as shown in fig. 1, the housing assembly further includes a protective cap 9 and a fixed cap 10a, the fixed cap 10a is screwed to the outside of the anode conductor insulating sheath 4, a top end portion of the protective cap 9 is screwed to a bottom end portion of the fixed cap 10a, and the nozzle 7 is located in the protective cap 9.
Specifically, as shown in fig. 2, an ion gas channel is arranged in the lance head; the ion gas channel may be constructed by the following structure:
a first air inlet channel 10 is arranged on the insulator 2;
a second air inlet channel 20 is arranged on the anode conductor 1;
a third air inlet channel 30 is formed between the cathode conductor insulating sleeve 3 and the anode conductor 1;
a fourth air inlet channel 40 is formed between the vortex ring 8 and the cathode conductive assembly;
a fifth air inlet channel 50 is formed between the cathode conductive assembly and the nozzle;
the first air inlet passage 10, the second air inlet passage 20, the third air inlet passage 30, the fourth air inlet passage 40 and the fifth air inlet passage 50 are communicated in sequence to form an ion air passage;
the nozzle 7 is provided with a flame outlet 71 communicating with the fifth air intake duct 50.
Specifically, as shown in fig. 2, a shielding gas channel is further arranged in the gun head;
a first protective air channel 100 is arranged on the anode conductor 1;
the bottom end part of the anode conductor insulation sleeve 4 is provided with a uniform hole group 200;
a second protection channel 300 is formed between the outer walls of the anode conductor 1 and the nozzle 7 and the protection cap 9;
a plurality of protective medium outlet holes 400 are formed in the outer wall of the protective cap 9;
the first protection air channel 100 is communicated with the third air inlet channel 30, and the first protection air channel 100, the uniform hole group 200, the second protection channel 300 and the plurality of protection medium outlet holes 400 are communicated to form a protection air channel; the direction of the flow of the shield gas channel is shown in fig. 2.
As shown in fig. 1, the cathode conductive assembly may specifically include a cathode conductive body 91, an electrode 92, and a water core 93, wherein a top end of the electrode 92 is connected to a bottom end of the cathode conductive body 91, and the water core 93 is inserted into the cathode conductive body 91 and extends into the electrode 92; wherein, the electrode 92 is embedded with hafnium wire.
Specifically, as shown in fig. 1, a cooling channel may also be provided in the lance head; the cooling channel may be constructed by:
the cathode conductor 91 is provided with a first water channel 1a;
the water core 93 is provided with a second water channel 2a;
a third water channel 3a is formed between the water core 93 and the electrode 92;
a fourth water channel 4a is formed between the water core 93 and the cathode conductor 91;
the cathode conductor 91 is provided with a water passage 5a;
the insulator 2 is provided with a fifth water channel 6a and a first water return channel 7a which are axially arranged;
a sixth water channel 8a and a second water return channel 9a are arranged on the anode conductor 1;
the first water channel 1a, the second water channel 2a, the third water channel 3a, the fourth water channel 4a, the water passing channel 5a, the fifth water channel 6a, the sixth water channel 8a, the second water returning channel 9a, and the first water returning channel 7a are sequentially communicated to form a cooling channel, a water flow direction of the cooling channel is as shown in fig. 1, in this embodiment, the cooling liquid is composed of water, but the cooling liquid may be other liquid, and the embodiment is not limited thereto.
Specifically, as shown in fig. 2, the gun head further comprises an arc striking connector 1b, the arc striking connector 1b is connected with the anode conductor 1, and the arc striking connector 1b penetrates through the insulator 2.
As shown in fig. 1 and 2, the gun head further comprises a gun body connecting sleeve 2b, and the gun body connecting sleeve 2b is clamped on the outer wall of the insulator 2.
Example two
The structure of this embodiment is substantially the same as that of the first embodiment, except that: as shown in fig. 3, in this embodiment, the shielding gas channel is not provided, but a spray shielding medium inlet channel is provided in the lance head; the spray protection medium inlet channel can be formed by the following structures:
a first protective medium inlet channel 21 is arranged on the insulator 2;
a second protective medium inlet channel 11 is arranged on the anode conductor 1;
the bottom end part of the anode conductor insulation sleeve 4 is provided with a uniform hole group 200;
a second protection channel 300 is formed between the outer walls of the anode conductor 1 and the nozzle 7 and the protection cap 9;
a plurality of protective medium outlet holes 400 are formed in the outer wall of the protective cap 9;
the first protective medium inlet channel 21, the second protective medium inlet channel 11, the uniform hole group 200, the second protective channel 300 and the plurality of protective medium outlet holes 400 are communicated to form a spray protective medium inlet channel, and the medium flowing direction of the spray protective medium inlet channel is shown in fig. 3.
In this embodiment, the protective medium may be constituted by a gas or a liquid.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A plasma cutting gun is characterized by comprising a gun head, wherein the gun head comprises a cathode conductive assembly, an anode conductive body (1) and an intermediate insulation assembly; wherein the content of the first and second substances,
the middle insulation assembly comprises an insulator (2) and a cathode conductor insulation sleeve (3), the cathode conductor insulation sleeve (3) is connected to the bottom end of the insulator (2), the cathode conductor assembly is inserted into the insulator (2) and is partially arranged in the cathode conductor insulation sleeve (3), the anode conductor (1) is connected to the bottom end of the insulator (2) and is sleeved outside the cathode conductor insulation sleeve (3), and the cathode conductor insulation sleeve (3) separates the anode conductor (1) and the cathode conductor assembly.
2. The plasma cutting gun of claim 1,
the gun head further comprises a shell assembly, the shell assembly comprises an anode conductor insulating sleeve (4), and the anode conductor (1) is partially arranged in the anode conductor insulating sleeve (4).
3. The plasma cutting gun of claim 2,
the shell assembly further comprises a shell (6), the shell (6) is sleeved outside the insulator (2), and the bottom end part of the shell (6) is connected with the top end part of the anode conductor insulating sleeve (4).
4. The plasma cutting gun of claim 2,
the gun head further comprises a nozzle (7), and the top end part of the nozzle (7) is connected with the bottom end part of the anode conductor (1);
the bottom end of the cathode conductive assembly extends into the nozzle (7), and a vortex ring (8) is arranged between the cathode conductive assembly and the nozzle (7);
the shell assembly further comprises a protective cap (9) and a fixed cap (10 a), the fixed cap (10 a) is connected to the outer side of the anode conductor insulating sleeve (4), the top end of the protective cap (9) is connected with the bottom end of the fixed cap (10 a), and the nozzle (7) is positioned in the protective cap (9).
5. The plasma cutting gun of claim 4,
an ion gas channel is arranged in the gun head;
a first air inlet channel (10) is arranged on the insulator (2);
a second air inlet channel (20) is arranged on the anode conductor (1);
a third air inlet channel (30) is formed between the cathode conductor insulating sleeve (3) and the anode conductor (1);
a fourth air inlet channel (40) is formed between the vortex ring (8) and the cathode conductive assembly;
a fifth air inlet channel (50) is formed between the cathode conductive assembly and the nozzle;
the first air inlet channel (10), the second air inlet channel (20), the third air inlet channel (30), the fourth air inlet channel (40) and the fifth air inlet channel (50) are communicated in sequence to form the ion air channel;
and a flame outlet (71) communicated with the fifth air inlet channel (50) is arranged on the nozzle (7).
6. The plasma cutting gun of claim 5,
a protective gas channel is also arranged in the gun head;
a first protective air channel (100) is arranged on the anode conductor (1);
the bottom end part of the anode conductor insulation sleeve (4) is provided with a uniform hole group (200);
a second protection channel (300) is formed between the outer walls of the anode conductor (1) and the nozzle (7) and the protective cap (9);
a plurality of protective medium outlet holes (400) are formed in the outer wall of the protective cap (9);
the first protection air channel (100) is communicated with the third air inlet channel (30), and the first protection air channel (100), the uniform hole group (200), the second protection channel (300) and the plurality of protection medium outlet holes (400) are communicated to form a protection air channel.
7. The plasma cutting gun of claim 4,
a spray protection medium inlet channel is also arranged in the gun head;
a first protective medium inlet channel (21) is arranged on the insulator (2);
a second protective medium inlet channel (11) is arranged on the anode conductor (1);
the bottom end part of the anode conductor insulation sleeve (4) is provided with a uniform hole group (200);
a second protection channel (300) is formed between the outer walls of the anode conductor (1) and the nozzle (7) and the protective cap (9);
a plurality of protective medium outlet holes (400) are formed in the outer wall of the protective cap (9);
the first protective medium inlet channel (21), the second protective medium inlet channel (11), the orifice group (200), the second protective channel (300) and the plurality of protective medium outlet holes (400) are communicated to form a spray protective medium inlet channel.
8. The plasma cutting gun of claim 1,
the cathode conducting assembly comprises a cathode conductor (91), an electrode (92) and a water core (93), the top end part of the electrode (92) is connected with the bottom end part of the cathode conductor (91), and the water core (93) is inserted into the cathode conductor (91) and extends into the electrode (92);
a cooling channel is arranged in the gun head;
a first water channel (1 a) is arranged on the cathode conductor (91);
a second water channel (2 a) is arranged on the water core (93);
a third water channel (3 a) is formed between the water core (93) and the electrode (92);
a fourth water channel (4 a) is formed between the water core (93) and the cathode conductor (91);
a water passing channel (5 a) is arranged on the cathode conductor (91);
a fifth water channel (6 a) and a first water return channel (7 a) which are axially arranged are arranged on the insulator (2);
a sixth water channel (8 a) and a second water return channel (9 a) are arranged on the anode conductor (1);
the first water channel (1 a), the second water channel (2 a), the third water channel (3 a), the fourth water channel (4 a), the water passing channel (5 a), the fifth water channel (6 a), the sixth water channel (8 a), the second water returning channel (9 a) and the first water returning channel (7 a) are sequentially communicated to form a cooling channel.
9. The plasma cutting gun of claim 1,
the gun head further comprises an arc striking connecting body (1 b), the arc striking connecting body (1 b) is connected with the anode conductor (1), and the arc striking connecting body (1 b) penetrates through the insulator (2).
10. The plasma cutting gun of claim 1,
the gun head further comprises a gun body connecting sleeve (2 b), and the gun body connecting sleeve (2 b) is clamped on the outer wall of the insulator (2).
11. The plasma cutting gun of claim 1,
the gun head also comprises a nozzle (7), and the top end part of the nozzle (7) is connected with the bottom end part of the anode conductor (1);
the bottom end of the cathode conductive assembly extends into the nozzle (7), and a swirl ring (8) is arranged between the cathode conductive assembly and the nozzle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221512787.6U CN218169030U (en) | 2022-06-16 | 2022-06-16 | Plasma cutting gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221512787.6U CN218169030U (en) | 2022-06-16 | 2022-06-16 | Plasma cutting gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218169030U true CN218169030U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221512787.6U Active CN218169030U (en) | 2022-06-16 | 2022-06-16 | Plasma cutting gun |
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| Country | Link |
|---|---|
| CN (1) | CN218169030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283107A (en) * | 2023-11-27 | 2023-12-26 | 山东伊诺维森焊割科技有限公司 | Plasma cutting torch |
-
2022
- 2022-06-16 CN CN202221512787.6U patent/CN218169030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283107A (en) * | 2023-11-27 | 2023-12-26 | 山东伊诺维森焊割科技有限公司 | Plasma cutting torch |
| CN117283107B (en) * | 2023-11-27 | 2024-01-26 | 山东伊诺维森焊割科技有限公司 | Plasma cutting torch |
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