CN216680655U - Airflow sleeve and cutting gun head applying same - Google Patents
Airflow sleeve and cutting gun head applying same Download PDFInfo
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- CN216680655U CN216680655U CN202123255479.8U CN202123255479U CN216680655U CN 216680655 U CN216680655 U CN 216680655U CN 202123255479 U CN202123255479 U CN 202123255479U CN 216680655 U CN216680655 U CN 216680655U
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- nozzle
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Abstract
The utility model discloses an airflow sleeve and a cutting gun head using the same. The plasma cutting gun head disclosed by the utility model can well guide the ion gas into the plasma space of the cutting gun head, so that the ion gas is effectively utilized, and the cutting effect is further improved.
Description
Technical Field
The utility model relates to an airflow sleeve and a cutting gun head using the same.
Background
Plasma arc cutting is a process in which the heat of a high temperature plasma arc is used to locally melt (and vaporize) the metal at the cut of a workpiece and the molten metal is removed by the momentum of the high speed plasma to form the cut. In the working process of the plasma arc cutting gun head, ion gas needs to be introduced into a plasma space formed by the electrode and the nozzle, and a high-temperature plasma arc sprayed out from the nozzle is formed under the action of the electrode.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an airflow sleeve which can well guide ion gas into a plasma space of a cutting gun head, so that the ion gas is effectively utilized, and the cutting effect is further improved.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an air current cover, it is including the cover body that is equipped with central passage, all be equipped with a plurality of ion gas passageways in the perisporium of cover body, the axial of cover body extends in vertical direction, and a plurality of ion gas passageways from top to bottom gather together towards the center.
Further, each ion gas channel inclines clockwise from top to bottom or anticlockwise from top to bottom.
Further, the sleeve body is made of ceramic.
Furthermore, the peripheral wall of the sleeve body is provided with an annular groove, an inlet of the ion gas channel is positioned on the side wall below the annular groove, and an outlet of the ion gas channel is positioned on the lower bottom surface of the sleeve body.
Further, the ion gas channel has the same cross section area from top to bottom.
The utility model also provides a cutting gun head which comprises the airflow sleeve.
Further, it also includes:
at least one part of the electrode seat is inserted in the central channel of the airflow sleeve;
the electrode is electrically arranged on the electrode seat, and the lower end part of the electrode exceeds the sleeve body of the airflow sleeve;
a nozzle holder sleeved outside the sleeve body;
and the nozzle is arranged at the lower end part of the nozzle seat, covers the electrode and forms a plasma space with the electrode.
Further, the electrode is inserted in the electrode seat.
Furthermore, a plurality of shielding gas channels are arranged on the peripheral wall of the nozzle seat, and the shielding gas channels are suitable for supplying shielding gas to the outside of the nozzle through the shielding gas channels so as to protect high-temperature plasma arcs sprayed out of the nozzle.
Further, in order to supply gas to the ion gas channel and the protective gas channel conveniently, a gap is formed between the middle position of the nozzle seat and the airflow sleeve to form a gas cavity, a gas inlet channel communicated with the gas cavity is further arranged on the nozzle seat, and the gas cavity is communicated with the ion gas channel and the protective gas channel respectively.
After the technical scheme is adopted, the plurality of ion gas channels are uniformly distributed along the peripheral wall of the sleeve body and gathered from top to bottom towards the center, and the ion gas enters the plasma space of the cutting gun head in a gathering mode and is in contact with the electrode, so that the ion gas is fully ionized; the ion gas channel of the utility model is inclined clockwise or anticlockwise from top to bottom, so that the ion gas enters the plasma space in an inclined manner, and the utilization rate of the ion gas is further improved; the cutting gun head adopts the air flow sleeve, the cutting effect is good, the structure of the whole cutting gun head is simplified, the position and the space arrangement of each part are reasonable, and the assembly is easy.
Drawings
FIG. 1 is a schematic view of the structure of the airflow sleeve of the present invention;
FIG. 2 is a cross-sectional view of the airflow sleeve of the present invention;
fig. 3 is a schematic structural view of a cutting torch head according to the utility model;
fig. 4 is a cross-sectional view of a cutting torch head according to the utility model.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example one
As shown in fig. 1, 2, 3 and 4, an airflow sleeve comprises a sleeve body 2 provided with a central passage 1, wherein a plurality of ion air passages 3 are arranged in the peripheral wall of the sleeve body 2, the axial direction of the sleeve body 2 extends in the vertical direction, and the ion air passages 3 are gathered towards the center from top to bottom.
In this embodiment, the sleeve body 2 is made of ceramic.
Specifically, the plurality of ion gas channels 3 are uniformly distributed along the peripheral wall of the sleeve body 2 and gathered from top to bottom towards the center, and the ion gas enters the plasma space of the cutting gun head in a gathering mode and is in contact with the electrode 6, so that the ion gas is fully ionized.
As shown in fig. 1, 2, 3 and 4, each ion gas channel 3 is inclined clockwise from top to bottom or inclined counterclockwise from top to bottom.
Specifically, the ion gas channel 3 of the present invention is inclined clockwise or counterclockwise from top to bottom, so that the ion gas enters the plasma space in an inclined manner, and the utilization rate of the ion gas is further improved.
As shown in fig. 1, 2, 3 and 4, the circumferential wall of the housing body 2 is provided with an annular groove 4, the inlet of the ion gas passage 3 is located on the lower side wall of the annular groove 4, and the outlet of the ion gas passage 3 is located on the lower bottom surface of the housing body 2. The structure not only shortens the length of the ion gas channel 3, but also is beneficial to the ion gas to enter the ion gas channel 3.
As shown in fig. 1, 2, 3 and 4, the ion gas channel 3 has an equal cross-sectional area from top to bottom.
Example two
A cutting torch head according to any of figures 1, 2, 3 and 4, comprising an airflow sleeve according to the first embodiment.
As shown in fig. 3 and 4, it further includes:
an electrode holder 5 at least partially inserted in the central passage of the airflow jacket;
the electrode 6 is electrically installed on the electrode seat 5, and the lower end part of the electrode 6 exceeds the sleeve body 2 of the airflow sleeve;
a nozzle holder 7 sleeved outside the sleeve body 2;
and the nozzle 8 is arranged at the lower end part of the nozzle seat 7, the nozzle 8 covers the outside of the electrode 6, a plasma space is formed between the nozzle 8 and the electrode 6, and the ion gas entering the plasma space through the ion gas channel 3 of the gas flow sleeve is changed into a high-temperature plasma arc sprayed out from the nozzle 8 under the combined action of the electrode 6 and the nozzle 8.
As shown in fig. 4, the electrode 6 is inserted into the electrode holder 5.
As shown in fig. 3 and 4, the nozzle holder 7 is provided with a plurality of shielding gas passages 9 on the circumferential wall thereof, and the shielding gas passages 9 are adapted to supply shielding gas to the outside of the nozzle 8 therethrough to protect the high-temperature plasma arc ejected from the nozzle 8.
As shown in fig. 4, in order to supply gas to the ion gas channel and the shielding gas channel 9 conveniently, a gap is provided between the middle position of the nozzle holder 7 and the gas flow sleeve to form a gas cavity 10, the nozzle holder 7 is further provided with a gas inlet channel 11 communicating with the gas cavity 10, and the gas cavity 10 is respectively communicated with the ion gas channel 3 and the shielding gas channel 9.
Particularly, the cutting gun head adopts the air flow sleeve, the cutting effect is good, the structure of the whole cutting gun head is simplified, the position and the space of each part are reasonably arranged, and the assembly is easy.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air flow sleeve is characterized in that,
it is including cover body (2) that is equipped with central channel (1), all be equipped with a plurality of ion gas passageways (3) in the perisporium of cover body (2), the axial of cover body (2) extends in vertical direction, and a plurality of ion gas passageways (3) are gathered together from top to bottom towards the center.
2. The airflow sleeve of claim 1,
each ion gas channel (3) is inclined clockwise from top to bottom or inclined counterclockwise from top to bottom.
3. The airflow sleeve of claim 1,
the sleeve body (2) is made of ceramic.
4. The airflow sleeve of claim 1,
the peripheral wall of the sleeve body (2) is provided with an annular groove (4), the inlet of the ion gas channel (3) is positioned on the side wall below the annular groove (4), and the outlet of the ion gas channel (3) is positioned on the lower bottom surface of the sleeve body (2).
5. The airflow sleeve of claim 1,
the cross sections of the ion gas channels (3) from top to bottom are equal in area.
6. A cutting gun head is characterized in that,
an airflow jacket according to any one of claims 1 to 5.
7. A cutting torch head according to claim 6,
it still includes:
an electrode holder (5) at least partially inserted in the central passage of the air flow sleeve;
the electrode (6) is electrically installed on the electrode seat (5), and the lower end part of the electrode (6) exceeds the sleeve body (2) of the airflow sleeve;
a nozzle holder (7) sleeved outside the sleeve body (2);
and the nozzle (8) is arranged at the lower end part of the nozzle seat (7), and the nozzle (8) covers the electrode (6) and forms a plasma space with the electrode (6).
8. A cutting torch head according to claim 7,
the electrode (6) is inserted in the electrode seat (5).
9. A cutting torch head according to claim 7,
the peripheral wall of the nozzle seat (7) is provided with a plurality of shielding gas channels (9), and the shielding gas channels (9) are suitable for supplying shielding gas to the outside of the nozzle (8) through the shielding gas channels so as to protect high-temperature plasma arcs sprayed out of the nozzle (8).
10. A cutting torch head according to claim 9,
the ion gas generating nozzle is characterized in that a gap is formed between the middle position of the nozzle seat (7) and the airflow sleeve to form a gas cavity (10), a gas inlet channel (11) communicated with the gas cavity (10) is further arranged on the nozzle seat (7), and the gas cavity (10) is communicated with the ion gas channel (3) and the protective gas channel (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123255479.8U CN216680655U (en) | 2021-12-22 | 2021-12-22 | Airflow sleeve and cutting gun head applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123255479.8U CN216680655U (en) | 2021-12-22 | 2021-12-22 | Airflow sleeve and cutting gun head applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216680655U true CN216680655U (en) | 2022-06-07 |
Family
ID=81843014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123255479.8U Active CN216680655U (en) | 2021-12-22 | 2021-12-22 | Airflow sleeve and cutting gun head applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216680655U (en) |
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2021
- 2021-12-22 CN CN202123255479.8U patent/CN216680655U/en active Active
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