CN219310314U - Electrode device for plasma cutting gun - Google Patents
Electrode device for plasma cutting gun Download PDFInfo
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- CN219310314U CN219310314U CN202121722427.4U CN202121722427U CN219310314U CN 219310314 U CN219310314 U CN 219310314U CN 202121722427 U CN202121722427 U CN 202121722427U CN 219310314 U CN219310314 U CN 219310314U
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- electrode
- groove
- electrode body
- plasma cutting
- spiral groove
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- 239000000110 cooling liquid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 6
- 239000002826 coolant Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an electrode device for a plasma cutting gun, which comprises an electrode body, a cutting electrode and a cutting electrode, wherein the electrode body is provided with an electrode front part, an electrode rear part and an electrode body part, and the electrode body part is positioned between the electrode front part and the electrode rear part; the outer wall surface of the electrode body is provided with a ring groove for accessing external air; the outer wall surface of the electrode body part is further provided with a spiral groove group in front of the annular groove, the spiral groove group comprises at least one spiral groove spirally arranged along the axial direction of the electrode body, the rear end of the spiral groove is communicated with the annular groove, and the spiral groove is suitable for guiding gas in the annular groove to the front part of the electrode. The gas can be uniformly guided to the arc space, the flow speed of the gas guided to the arc space is increased, and the plasma flame flow formed after the arcing is stable.
Description
Technical Field
The utility model relates to an electrode device for a plasma cutting gun.
Background
Currently, a plasma cutting gun is an apparatus for forming a high temperature plasma flame flow, and an electrode is a part of the plasma cutting gun, which mainly functions to form an arc together with a nozzle and to feed gas into an arc space; the electrode in the prior art has no flow guiding structure, so that the guiding airflow is unstable, the flow speed is insufficient, and the plasma flame flow formed after arcing is unstable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an electrode device for a plasma cutting gun, which can uniformly guide gas to an arc space, increase the flow velocity of the gas guided to the arc space and ensure that the plasma flame flow formed after arcing is stable.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an electrode device for a plasma cutting gun, comprising an electrode body, wherein the electrode body is provided with an electrode front part, an electrode rear part and an electrode body part, and the electrode body part is positioned between the electrode front part and the electrode rear part; wherein,,
the outer wall surface of the electrode body is provided with a ring groove for accessing external air;
the outer wall surface of the electrode body part is further provided with a spiral groove group in front of the annular groove, the spiral groove group comprises at least one spiral groove spirally arranged along the axial direction of the electrode body, the rear end of the spiral groove is communicated with the annular groove, and the spiral groove is suitable for guiding gas in the annular groove to the front part of the electrode.
Further, the spiral groove is provided with at least two along the circumferential direction of the electrode body.
Further, the helix angle alpha of the spiral groove is 20-80 degrees.
Further, the width H of the spiral groove is 0.5-1 mm.
Further for cooling the electrode, a blind hole with a closed front end and an open rear end for containing cooling liquid is arranged in the electrode body.
Further, a broken wire accommodating part for accommodating broken wires is arranged at the front end of the front part of the electrode, and the rear end of the Ha Si accommodating part extends into the blind hole.
Further in order to enable a good connection of the plasma cutting torch to the electrode, the rear part of the electrode is provided with a connecting external thread section.
Further, a coolant seal groove is formed in the front of the connecting male screw section at the rear of the electrode, and a liquid seal ring for preventing the inflow of coolant to the outer wall surfaces of the front and the body of the electrode is accommodated in the coolant seal groove.
Further for the convenience of installing the electrode on the plasma cutting gun, a wrench tightening section is arranged on the outer wall surface of the front part of the electrode.
Further, in order to avoid gas leakage in the annular groove, the electrode body is provided with a gas seal groove at the rear of the annular groove, and a gas seal ring for avoiding gas leakage in the annular groove is accommodated in the gas seal groove.
After the technical scheme is adopted, the gas flow path is arranged in the plasma cutting gun, gas is introduced into the annular groove through the gas flow path, the gas in the annular groove passes through the spiral groove group, and due to the arrangement of the multi-section spiral grooves in the spiral groove group, the gas flow forms rotary gas flow, the rotary gas flow is well guided to the front part of the electrode, so that the gas entering an arc area between the front part of the electrode and the nozzle is uniform, the gas flow entering the arc area is increased, and the plasma flame flow formed after arcing is stable.
Drawings
FIG. 1 is a perspective view of an electrode device for a plasma cutting gun according to the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a right side view of the present utility model;
fig. 4 is a schematic structural view of a portion of the spiral groove group of the present utility model.
Detailed Description
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 4, an electrode device for a plasma cutting gun comprises an electrode body, wherein the electrode body is provided with an electrode front part, an electrode rear part and an electrode body part, and the electrode body part is arranged between the electrode front part and the electrode rear part; wherein,,
the outer wall surface of the electrode body is provided with a ring groove 1 for accessing external air;
the outer wall surface of the electrode body is further provided with a spiral groove group 2 in front of the ring groove 1, the spiral groove group 2 comprises at least one spiral groove 21 spirally arranged along the axial direction of the electrode body, the rear end of the spiral groove 21 is communicated with the ring groove 1, and the spiral groove 21 is suitable for guiding gas in the ring groove 1 to the front of the electrode.
In this embodiment, a gas flow path is provided in the plasma cutting gun, gas is introduced into the annular groove 1 through the gas flow path, the gas in the annular groove 1 passes through the spiral groove group 2 again, due to the arrangement of the multi-section spiral grooves 21 in the spiral groove group 2, a rotating gas flow is formed, the rotating gas flow is well guided to the front part of the electrode, so that the gas entering an arc area between the front part of the electrode and the nozzle is uniform, the gas flow entering the arc area is increased, and the plasma flame flow formed after the arc is generated is relatively stable.
In the present embodiment, as shown in fig. 4, the spiral groove 21 is provided with 8 lines along the circumferential direction of the electrode body, but the number of lines is not limited thereto, and other numbers may be used.
The helix angle α of the helical flute 21 may be selected from 20 ° to 80 °, and in this embodiment, the helix angle α of the rotary flute 21 is preferably 30 °.
The width H of the spiral groove 21 can be selected from 0.5 to 1mm, and in this embodiment, the width H of the spiral groove 21 is preferably 0.8mm.
As shown in fig. 3, a blind hole 3 with a closed front end and an open rear end for accommodating cooling liquid is arranged in the electrode body. The blind hole 3 can be filled with cooling liquid, which can be water, for cooling the electrode.
As shown in fig. 2 and 3, the front end of the front part of the electrode is provided with a broken wire accommodating part 5 for accommodating the broken wire 4, and the rear end of the broken wire accommodating part 5 extends into the blind hole 3.
As shown in fig. 1, the rear part of the electrode is provided with a connecting male threaded section 6. The provision of the connecting external thread segments 6 facilitates connection of the electrode to the plasma cutting gun. And by arranging the wrench tightening section 8 on the outer wall surface of the front part of the electrode, the electrode can be rotated by the wrench acting on the wrench tightening section 8, and the electrode can be connected with the plasma cutting gun. In this embodiment, the wrench tightening segment 8 may be a polygonal prism.
As shown in fig. 1, a coolant seal groove 7 is provided in front of the connection male screw 6 at the rear of the electrode, and a liquid seal ring for preventing inflow of coolant to the front of the electrode and the outer wall surface of the electrode body is accommodated in the coolant seal groove 7.
As shown in fig. 1, the electrode body is provided with a gas seal groove 9 at the rear of the ring groove 1, and a gas seal ring for avoiding gas leakage in the ring groove 1 is accommodated in the gas seal groove 9.
The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.
Claims (10)
1. An electrode device for a plasma cutting gun, characterized in that the electrode device comprises an electrode body, wherein the electrode body is provided with an electrode front part, an electrode rear part and an electrode body part, and the electrode body part is positioned between the electrode front part and the electrode rear part; wherein,,
the outer wall surface of the electrode body is provided with a ring groove (1) for accessing external air;
the outer wall surface of the electrode body is further provided with a spiral groove group (2) in front of the annular groove (1), the spiral groove group (2) comprises at least one spiral groove (21) spirally arranged along the axial direction of the electrode body, the rear end of the spiral groove (21) is communicated with the annular groove (1), and the spiral groove (21) is suitable for guiding gas in the annular groove (1) to the front of the electrode.
2. An electrode assembly for a plasma cutting torch according to claim 1, wherein,
at least two spiral grooves (21) are formed along the circumferential direction of the electrode body.
3. An electrode assembly for a plasma cutting torch according to claim 1, wherein,
the helix angle alpha of the helical groove (21) is 20-80 degrees.
4. An electrode assembly for a plasma cutting torch according to claim 1, wherein,
the width H of the spiral groove (21) is 0.5-1 mm.
5. An electrode assembly for a plasma cutting torch according to claim 1, wherein,
the electrode body is internally provided with a blind hole (3) with a closed front end and an open rear end for accommodating cooling liquid.
6. The electrode device for a plasma cutting torch according to claim 5, wherein,
the front end of the front part of the electrode is provided with a half wire accommodating part (5) for accommodating the clam wires (4), and the rear end of the Ha Si accommodating part (5) extends into the blind hole (3).
7. An electrode assembly for a plasma cutting torch according to claim 1, wherein,
the rear part of the electrode is provided with a connecting external thread section (6).
8. The electrode device for a plasma cutting torch according to claim 7, wherein,
the rear part of the electrode is provided with a cooling liquid sealing groove (7) in front of the connecting external thread section (6), and a liquid sealing ring for preventing cooling liquid from flowing into the front part of the electrode and the outer wall surface of the electrode body is accommodated in the cooling liquid sealing groove (7).
9. An electrode assembly for a plasma cutting torch according to claim 1, wherein,
the outer wall surface of the front part of the electrode is provided with a wrench tightening section (8).
10. An electrode assembly for a plasma cutting torch according to claim 1, wherein,
the electrode body is provided with an air sealing groove (9) at the rear of the annular groove (1), and an air sealing ring for avoiding air leakage in the annular groove (1) is accommodated in the air sealing groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121722427.4U CN219310314U (en) | 2021-07-27 | 2021-07-27 | Electrode device for plasma cutting gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121722427.4U CN219310314U (en) | 2021-07-27 | 2021-07-27 | Electrode device for plasma cutting gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219310314U true CN219310314U (en) | 2023-07-07 |
Family
ID=87034054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121722427.4U Active CN219310314U (en) | 2021-07-27 | 2021-07-27 | Electrode device for plasma cutting gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219310314U (en) |
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2021
- 2021-07-27 CN CN202121722427.4U patent/CN219310314U/en active Active
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