CN214161724U - Plasma cutting gun electrode - Google Patents
Plasma cutting gun electrode Download PDFInfo
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- CN214161724U CN214161724U CN202023299009.7U CN202023299009U CN214161724U CN 214161724 U CN214161724 U CN 214161724U CN 202023299009 U CN202023299009 U CN 202023299009U CN 214161724 U CN214161724 U CN 214161724U
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- plasma cutting
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Abstract
The utility model relates to the technical field of plasma cutting guns, in particular to a plasma cutting gun electrode, which comprises an electrode main body, wherein the two ends of the electrode main body are respectively connected with the front end and the rear end of the electrode, the outer surface of the joint of the electrode main body and the front end of the electrode is provided with a spiral air guide groove, and the thread pitch of the spiral air guide groove is 1.8-2.0 mm; and an electrode hafnium wire is embedded on the end face of the front end of the electrode. After the structure is adopted, the utility model optimizes the pitch of the spiral air guide groove to lead the formed spiral air flow to be more concentrated and stable, avoids the partial burning of the spray orifice of the nozzle, thereby prolonging the service life of the nozzle and the electrode, and the more concentrated plasma arc spraying can also enhance the cutting effect and effectively avoid the generation of slag; there is the spiral clamping groove at the rear end of electrode, has the arch on the mount pad of plasma cutting torch, and the arch compresses tightly the draw-in groove when arranging the spiral clamping groove internal rotation in with the arch to make the electrode can quick replacement, promoted work efficiency.
Description
Technical Field
The utility model relates to a plasma cutting torch technical field, especially a plasma cutting torch electrode.
Background
The plasma cutting gun electrode is a common accessory of a plasma cutting gun, is arranged on the plasma cutting gun, and is matched with a nozzle of the plasma cutting gun to form a plasma arc to cut a workpiece. The plasma cutting gun is a processing method which utilizes the heat of a high-temperature plasma arc to locally melt metal at a workpiece notch and discharges the molten metal by virtue of the momentum of high-speed plasma to form a cutting seam. The cutting machine has the advantages of high cutting speed, high cutting precision, easy setting of cutting conditions, easy realization of automatic and unmanned operation, relatively low cost and the like, and is widely applied.
Chinese utility model patent CN 207858034U discloses an electrode for plasma cutting gun and a matched nozzle, comprising an electrode and a nozzle, wherein the nozzle is sleeved at the front end of the electrode, an electrode tip is arranged at the front end of the electrode, an electrode tail end is arranged at the rear part of the electrode, the total length of the electrode is 43mm, the width of the electrode tail end is 10.7mm, and the width of the electrode tip is 9.5 mm; the rear portion of the nozzle is provided with a stepped groove, the front end of the nozzle is provided with a through hole, the total length of the nozzle is 18mm, and the depth of the through hole from the rear portion of the nozzle is 10.8 mm.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a long service life's plasma cutting torch electrode.
In order to solve the technical problem, the plasma cutting gun electrode of the utility model comprises an electrode main body, wherein two ends of the electrode main body are respectively connected with the front end and the rear end of the electrode, the outer surface of the joint of the electrode main body and the front end of the electrode is provided with a spiral air guide groove, and the thread pitch of the spiral air guide groove is 1.8-2.0 mm; and an electrode hafnium wire is embedded on the end face of the front end of the electrode.
Preferably, the end face of the front end of the electrode is connected with the electrode main body through an arc transition section, the radius of the arc transition section is R, and R is more than 0.9mm and less than 1.1 mm.
Preferably, the rear end of the electrode is connected with the plasma cutting gun mounting base through a quick replacement mechanism.
Preferably, the quick replacement mechanism comprises a rear end spiral groove formed in the tail of the rear end of the electrode, and a mounting seat bulge matched with the rear end spiral groove is mounted on the plasma cutting gun mounting seat.
After the structure is adopted, the utility model optimizes the pitch of the spiral air guide groove to lead the formed spiral air flow to be more concentrated and stable, avoids the partial burning of the spray orifice of the nozzle, thereby prolonging the service life of the nozzle and the electrode, and the more concentrated plasma arc spraying can also enhance the cutting effect and effectively avoid the generation of slag; there is the spiral clamping groove at the rear end of electrode, has the arch on the mount pad of plasma cutting torch, and the arch compresses tightly the draw-in groove when arranging the spiral clamping groove internal rotation in with the arch to make the electrode can quick replacement, promoted work efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the plasma cutting gun electrode of the present invention.
In the figure: 1 is the electrode front end, 2 is the electrode main part, 3 is the electrode rear end, 4 is plasma cutting torch mount pads, 1.1 is electrode hafnium silk, 1.2 is the circular arc changeover portion, 2.1 is spiral air guide groove, 3.1 rear end spiral groove, 4.1 is the mount pad arch
Detailed Description
As shown in fig. 1, the plasma cutting gun electrode of the present invention comprises an electrode main body 2, two ends of the electrode main body 2 are respectively connected with an electrode front end 1 and an electrode rear end 3, a spiral air guide groove 2.1 is formed on the outer surface of the joint of the electrode main body 2 and the electrode front end 1, and the pitch of the spiral air guide groove 2.1 is 1.8-2.0 mm; inlay on 1 terminal surface of electrode front end has electrode hafnium silk 1.1, utilize stamping process to inlay electrode hafnium silk 1.1 in the terminal surface, 1 terminal surface of electrode front end needs to carry out smooth processing, guarantees that the terminal surface levels, and the level and smooth of terminal surface is favorable to the plasma arc stability of production, can concentrate on electrode hafnium silk 1.1 better. In this embodiment, the front end of the electrode main body 2 has 9 spiral air guide grooves 2.1, a spiral air guide cavity is formed by the spiral air guide grooves 2.1 and the inner side of the nozzle, and air forms spiral air flow when passing through, so that plasma arc is more effectively converged on the electrode hafnium wire 1.1 on the end surface of the front end 1 of the electrode to blow out the plasma arc. Like this, the pitch of having optimized spiral air guide groove 2.1 makes the spiral air current that forms concentrate more stably, has avoided burning partially to the nozzle orifice to improve the life of nozzle and electrode, the plasma arc that concentrates more sprays also can strengthen the effect of cutting, effectively avoids the production of string sediment.
As shown in figure 1, the end face of the front end 1 of the electrode is connected with the electrode main body 2 through an arc transition section 1.2, the radius of the arc transition section 1.2 is R, and R is more than 0.9mm and less than 1.1 mm. The arc transition section 1.2 is an arc starting surface of the electrode, the radius of the R surface of the arc transition section is optimized through improvement, so that the electrode can start arc more easily, air can flow more smoothly, and the plasma arc is more stable and concentrated when blown out from the nozzle by air.
As shown in fig. 1, in order to achieve rapid replacement of the electrode, the rear end 3 of the electrode is connected to a plasma torch mounting seat 4 by a rapid replacement mechanism. The quick replacement mechanism is including seting up rear end spiral groove 3.1 at 3 afterbody in electrode rear end, install the bellied 4.1 of mount pad that suits with rear end spiral groove 3.1 on the plasma cutting torch mount pad 4. Arrange rear end spiral groove 3.1 in with the protruding 4.1 of mount pad and compress tightly rear end spiral groove 3.1 when rotatory in rear end spiral groove 3.1 to make the electrode can quick replacement, promoted work efficiency.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (4)
1. A plasma cutting torch electrode, comprising an electrode body (2), characterized in that: the electrode comprises an electrode main body (2), an electrode front end (1) and an electrode rear end (3), wherein two ends of the electrode main body (2) are respectively connected with the electrode front end (1) and the electrode rear end (3), a spiral air guide groove (2.1) is formed in the outer surface of the joint of the electrode main body (2) and the electrode front end (1), and the thread pitch of the spiral air guide groove (2.1) is 1.8-2.0 mm; an electrode hafnium wire (1.1) is embedded on the end face of the front end (1) of the electrode.
2. The plasma torch electrode of claim 1 wherein: the electrode is characterized in that the end face of the front end (1) of the electrode is connected with the electrode main body (2) through an arc transition section (1.2), the radius of the arc transition section (1.2) is R, and R is larger than 0.9mm and smaller than 1.1 mm.
3. The plasma torch electrode of claim 1 wherein: the rear end (3) of the electrode is connected with a plasma cutting gun mounting seat (4) through a quick replacement mechanism.
4. The plasma torch electrode of claim 3, wherein: quick replacement mechanism is including seting up rear end spiral groove (3.1) at electrode rear end (3) afterbody, install on plasma cutting torch mount pad (4) and protruding (4.1) of mount pad that suits with rear end spiral groove (3.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023299009.7U CN214161724U (en) | 2020-12-31 | 2020-12-31 | Plasma cutting gun electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023299009.7U CN214161724U (en) | 2020-12-31 | 2020-12-31 | Plasma cutting gun electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214161724U true CN214161724U (en) | 2021-09-10 |
Family
ID=77612133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023299009.7U Active CN214161724U (en) | 2020-12-31 | 2020-12-31 | Plasma cutting gun electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214161724U (en) |
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2020
- 2020-12-31 CN CN202023299009.7U patent/CN214161724U/en active Active
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