CN201543958U - Plasma arc cutting torch - Google Patents
Plasma arc cutting torch Download PDFInfo
- Publication number
- CN201543958U CN201543958U CN2009202559043U CN200920255904U CN201543958U CN 201543958 U CN201543958 U CN 201543958U CN 2009202559043 U CN2009202559043 U CN 2009202559043U CN 200920255904 U CN200920255904 U CN 200920255904U CN 201543958 U CN201543958 U CN 201543958U
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- Prior art keywords
- nozzle
- sleeve
- cutting torch
- protective cap
- protective
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- Expired - Fee Related
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Abstract
The utility model relates to a plasma arc cutting torch which is characterized in that an electric conduction gun core and a spearhead sleeve are fixed on a cutting torch body and separated by an insulation sleeve; an electrode is arranged on an electric conduction gun core; one end of a water conducting pipe connected with the electric conduction gun core is communicated with an internal water channel of a torch cutting body. and the other end thereof is arranged in the cavity of the electrode; a nozzle is arranged on the front part of the spearhead sleeve; the protective sleeve is arranged on the spearhead sleeve and positioned on the periphery of the nozzle; the protective sleeve is respectively sealed with the spearhead sleeve and the nozzle to form a cooling water cavity; an external water inlet channel and an external water returning channel on the spearhead sleeve are communicated with the external water inlet channel and the external water returning channel on the cutting torch body; the protective cap is arranged on the protective sleeve; the protective cap and the protective sleeve, and end surfaces of the protective cap and the nozzle are provided with independent air cavities and arc cavities; an outlet at the front end surface of the protective cap is larger than an nozzle hole of the nozzle; an air outlet hole of the protective cap is communicated with the cooling air cavity; and the cooling air cavity is communicated with an external air passage on the torch cutting body by an air passage on the spearhead. The plasma arc cutting torch can prolong the service life and improve the cutting quality.
Description
Technical field
The utility model relates to a kind of plasma arc cutting torch, belongs to air plasma arc cutting technique field.
Background technology
Plasma cutting-torch all has cutting torch body, conduction rifle core, insulation sleeve and formations such as electrode and nozzle in the market.Electrode is installed in the center of conduction rifle core, nozzle is installed on the cutting torch body and is positioned at the front portion of electrode, form discharge cavity between electrode and nozzle chamber, after the energising of electrode tip hafnium filament, make gas produce high-temperature plasma in the discharge cavity internal ionization, high-temperature plasma cuts metal material from the spout ejection of nozzle.Because nozzle and electrode are in work under the high temperature, service life is very short, for prolonging the service life of nozzle and electrode, is provided with water channel usually in the cutting torch body electrode and nozzle are cooled off, because evenly, comprehensively, can't increase substantially the service life of cutting torch inadequately in cooling.
Summary of the invention
The purpose of this utility model provides a kind of and can further improve service life, can improve the plasma arc cutting torch of cut quality.
The utility model is that the technical scheme that achieves the above object is: a kind of plasma arc cutting torch, comprise cutting torch body, conduction rifle core, insulation sleeve and electrode and nozzle, it is characterized in that: described conduction rifle core and rifle headgear are fixed on the cutting torch body and by insulation sleeve isolates, electrode is screwed on the conduction rifle core, be connected in the cavity that inner lead communicates, the other end is arranged on electrode of aqueduct one end and cutting torch body on the conduction rifle core, the backwater road on the conduction rifle core communicates with interior backwater road on the cutting torch body; Described nozzle is screwed in the front portion of rifle headgear; protective sleeve is installed on the rifle headgear and is positioned at the periphery of nozzle; protective sleeve is respectively with rifle headgear and sealed nozzle and form cooling water cavity; outer inlet channel on the rifle headgear and outer backwater road respectively with cooling water cavity and cutting torch body on outer inlet channel communicate with outer backwater road; protective cap is installed on the protective sleeve and is positioned at the spray orifice end face of nozzle; protective cap and protective sleeve and protective cap and nozzle face have and independently cool off air cavity and arc chamber; the outlet of protective cap front end face is greater than the spray orifice of nozzle; the venthole of protective cap communicates with the cooling air cavity, and the cooling air cavity is by the air flue on the protective sleeve; air flue on the rifle headgear communicates with exterior air drain on the cutting torch body.
The utility model electrode inner chamber has aqueduct; nozzle one side also is equipped with protective sleeve and protective cap; because protective sleeve can and form cooling water cavity with rifle headgear and sealed nozzle; therefore can respectively electrode cooling and nozzle be cooled off by the recirculated cooling water of outside, improve the service life of electrode and nozzle respectively.This is provided with and independently cools off air cavity and arc chamber the utility model at protective cap and protective sleeve and protective cap and nozzle face; when the plasma arc of emitting when electrode cuts material from the spray orifice ejection of nozzle and the outlet on protective cap at a high speed; portion gas is cooled off protective cap by its peripheral pore; and another road air-flow carries out cold from the venthole of cooling air cavity on protective cap to protective cap; also can clear up simultaneously cutting material; because the easily worn part on the whole cutting torch all effectively cools off; thereby the service life of cutting torch itself can be improved, and can stablize and improve whole cut quality.The utility model is because electrode and nozzle are screwed in respectively on conduction rifle core and the rifle headgear, and the user can install different electrode and nozzle according to different rapidoprints, and is easy to use.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Backwater road in the inlet channel in the air flue in the 1-cutting torch body wherein, 11-, 12-, 13-, the outer inlet channel of 14-; the 15-exterior air drain, the outer backwater road of 16-, 2-conduction rifle core, 21-air intake duct; the 22-inlet channel, 23-backwater road, 3-insulation sleeve, 31-air flue; 4-rifle headgear, 41-air flue, the outer inlet channel of 42-, the outer backwater road of 43-; the 5-protective sleeve, 51-air flue, 6-electrode, 7-nozzle; the 8-protective cap, 81-pore, 82-venthole, 9-aqueduct.
The specific embodiment
See shown in Figure 1ly, plasma arc cutting torch of the present utility model comprises cutting torch body 1, conduction rifle core 2, insulation sleeve 3, rifle headgear 4 and electrode 6, nozzle 7, protective sleeve 5 and protective cap 8.This cutting torch body 1 adopts insulating polymeric material, and this insulation sleeve 3 adopts ceramic material, and rifle headgear 4 and conduction rifle core 2 adopt copper product.Conduction rifle core 2 of the present utility model and rifle headgear 4 are fixed on the cutting torch body 1 and by insulation sleeve 3 isolates, cutting torch body 1 is provided with interior air flue 11, interior inlet channel 12, interior backwater road 13 and outer inlet channel 14, outer backwater road 16 and exterior air drain 15, interior air flue 11 and exterior air drain 15 communicate with Compressed Gas respectively, and interior inlet channel 12, interior backwater road 13 and outer inlet channel 14, outer backwater road 16 communicate with two water inlet pipes and two outlet pipes respectively.See shown in Figure 1, the utility model electrode 6 is screwed on the conduction rifle core 2, have air intake duct 21, inlet channel 22 and backwater road 23 on the conduction rifle core 2, air intake duct 21 on the conduction rifle core 2 respectively with cutting torch body 1 on interior air flue 11 and the air flue 31 on the insulation sleeve 3 communicate, aqueduct 9 is connected on the conduction rifle core 2, aqueduct 9 one ends communicate with the interior inlet channel 12 of cutting torch body 1, the other end is arranged in the cavity of electrode 6, and the backwater road 23 on the conduction rifle core 2 communicates with interior backwater road 13 on the cutting torch body 1, and recirculated cooling water effectively cools off electrode 6.See shown in Figure 1; nozzle 7 of the present utility model is installed in the front portion of rifle headgear 4; this nozzle 7 is by being threaded on the rifle headgear 4; and protective sleeve 5 is installed on the rifle headgear 4 and be positioned at the periphery of nozzle 7; be convenient for changing electrode 6 and nozzle 7; the utility model rifle headgear 4 is provided with external screw thread; be respectively equipped with internal thread and external screw thread on the protective sleeve 5; protective sleeve 5 is screwed on the rifle headgear 4; protective sleeve 5 seals and forms cooling water cavity with rifle headgear 4 and nozzle 7 respectively; see that shown in Figure 1 is cooling water cavity A; outer inlet channel 42 on the rifle headgear 4 and outer backwater road 43 respectively with cooling water cavity and cutting torch body 1 on outer inlet channel 14 communicate with outer backwater road 16, by cooling water nozzle 7 is cooled off.The utility model protective cap 8 is installed on the protective sleeve 5 and is positioned at the spray orifice end face of nozzle 7; this protective cap 8 is screwed on the protective sleeve 5; protective cap 8 has with nozzle 7 end faces with protective sleeve 5 and protective cap 8 and independently cools off air cavity and arc chamber; see shown in Figure 1; promptly cool off air cavity B and arc chamber C; the outlet of protective cap 8 front end faces is greater than the spray orifice of nozzle 7; the peripheral uniform pore 81 of protective cap 8 outlets; pore 81 on the protective cap 8 communicates with the arc chamber; the high-temperature plasma arc penetrates from outlet; 81 pairs of protective caps 8 of one tunnel air communication air passing hole cool off; and protective cap 8 ventholes 82 communicate with the cooling air cavity; and the cooling air cavity is by the air flue 51 on the protective sleeve 5; air flue 41 on the rifle headgear 4 communicates with exterior air drain 15 on the cutting torch body 1; by high velocity air protective cap 8 is cooled off; simultaneously slag liquid is cleared up, improved the service life of consumable accessory, can guarantee cut quality again.
Claims (2)
1. plasma arc cutting torch, comprise cutting torch body (1), conduction rifle core (2), insulation sleeve (3) and electrode (6) and nozzle (7), it is characterized in that: described conduction rifle core (2) and rifle headgear (4) are fixed on cutting torch body (1) upward and by insulation sleeve (3) isolates, electrode (6) is screwed on the conduction rifle core (2), aqueduct (9) one ends that are connected on the conduction rifle core (2) communicate with the interior inlet channel (12) of cutting torch body (1), the other end is arranged in the cavity of electrode (6), and the backwater road (23) on the conduction rifle core (2) communicates with the interior backwater road (13) on the cutting torch body (1); Described nozzle (7) is screwed in the front portion of rifle headgear (4); protective sleeve (5) is installed in the periphery that nozzle (7) were gone up and be positioned to rifle headgear (4); protective sleeve (5) seals and forms cooling water cavity with rifle headgear (4) and nozzle (7) respectively; outer inlet channel (42) on the rifle headgear (4) and outer backwater road (43) communicate with outer inlet channel (14) and outer backwater road (16) on cooling water cavity and the cutting torch body (1) respectively; protective cap (8) is installed in the spray orifice end face that nozzle (7) was gone up and be positioned to protective sleeve (5); protective cap (8) and protective sleeve (5) and protective cap (8) have with nozzle (7) end face and independently cool off air cavity and arc chamber; the outlet of protective cap (8) front end face is greater than the spray orifice of nozzle (7); the peripheral pore (81) of protective cap (8) outlet communicates with the arc chamber; the venthole (82) of protective cap (8) communicates with the cooling air cavity, and the cooling air cavity is by the air flue (51) on the protective sleeve (5); air flue (41) on the rifle headgear (4) communicates with exterior air drain (15) on the cutting torch body (1).
2. plasma arc cutting torch according to claim 1; it is characterized in that: described rifle headgear (4) is provided with external screw thread; protective sleeve is respectively equipped with internal thread and external screw thread on (5), and protective sleeve (5) is screwed on the rifle headgear (4), and protective cap (8) is screwed on the protective sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202559043U CN201543958U (en) | 2009-11-27 | 2009-11-27 | Plasma arc cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202559043U CN201543958U (en) | 2009-11-27 | 2009-11-27 | Plasma arc cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201543958U true CN201543958U (en) | 2010-08-11 |
Family
ID=42599117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202559043U Expired - Fee Related CN201543958U (en) | 2009-11-27 | 2009-11-27 | Plasma arc cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201543958U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851083A (en) * | 2012-09-12 | 2013-01-02 | 衢州市广源生活垃圾液化技术研究所 | Plasma gasification spray gun |
| CN103222343A (en) * | 2010-12-01 | 2013-07-24 | 依赛彼集团公司 | Electrode for plasma torch with novel assembly method and enhanced heat transfer |
| CN105171213A (en) * | 2015-10-26 | 2015-12-23 | 常州市海宝焊割有限公司 | Plasma cutting gun |
| CN105195877A (en) * | 2015-10-26 | 2015-12-30 | 苏州凯锝微电子有限公司 | Plasma cutting manual circle cutting tool |
| CN105364279A (en) * | 2014-08-06 | 2016-03-02 | 张建生 | A plasma torch head |
| CN106112236A (en) * | 2016-08-24 | 2016-11-16 | 湖南镭目科技有限公司 | A kind of plasma arc cutting torch and electrode thereof |
| CN110036697A (en) * | 2016-10-06 | 2019-07-19 | 卡尔伯格-基金会 | The purposes of nozzle guard lid, the plasma arc torch including the nozzle guard lid and plasma arc torch |
| CN111590175A (en) * | 2020-06-01 | 2020-08-28 | 中国石油大学(华东) | Plasma nozzle for cutting petroleum casing pipe |
| CN112996211A (en) * | 2021-02-09 | 2021-06-18 | 重庆新离子环境科技有限公司 | Direct current arc plasma torch applied to hazardous waste treatment |
| WO2022134704A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Nozzle structure of plasma arc gun |
| CN114951931A (en) * | 2022-04-27 | 2022-08-30 | 江苏京生管业有限公司 | Plasma welding device for steel structure treatment |
-
2009
- 2009-11-27 CN CN2009202559043U patent/CN201543958U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222343A (en) * | 2010-12-01 | 2013-07-24 | 依赛彼集团公司 | Electrode for plasma torch with novel assembly method and enhanced heat transfer |
| CN103222343B (en) * | 2010-12-01 | 2015-12-09 | 依赛彼集团公司 | There is the electrode of the plasma torch of novel assemble method and enhancement mode heat transfer |
| CN102851083B (en) * | 2012-09-12 | 2013-09-18 | 衢州市广源生活垃圾液化技术研究所 | Plasma gasification spray gun |
| CN102851083A (en) * | 2012-09-12 | 2013-01-02 | 衢州市广源生活垃圾液化技术研究所 | Plasma gasification spray gun |
| CN105364279A (en) * | 2014-08-06 | 2016-03-02 | 张建生 | A plasma torch head |
| CN105364279B (en) * | 2014-08-06 | 2017-08-15 | 常州靓宇焊割有限公司 | Plasma pipette tips |
| CN105171213A (en) * | 2015-10-26 | 2015-12-23 | 常州市海宝焊割有限公司 | Plasma cutting gun |
| CN105195877A (en) * | 2015-10-26 | 2015-12-30 | 苏州凯锝微电子有限公司 | Plasma cutting manual circle cutting tool |
| CN106112236A (en) * | 2016-08-24 | 2016-11-16 | 湖南镭目科技有限公司 | A kind of plasma arc cutting torch and electrode thereof |
| CN106112236B (en) * | 2016-08-24 | 2018-05-18 | 湖南镭目科技有限公司 | A kind of plasma arc cutting torch and its electrode |
| CN110036697A (en) * | 2016-10-06 | 2019-07-19 | 卡尔伯格-基金会 | The purposes of nozzle guard lid, the plasma arc torch including the nozzle guard lid and plasma arc torch |
| US11178746B2 (en) | 2016-10-06 | 2021-11-16 | Kjellberg-Stiftung | Protective nozzle cap, plasma arc torch comprising said protective nozzle cap, and use of the plasma arc torch |
| CN111590175A (en) * | 2020-06-01 | 2020-08-28 | 中国石油大学(华东) | Plasma nozzle for cutting petroleum casing pipe |
| WO2022134704A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Nozzle structure of plasma arc gun |
| CN112996211A (en) * | 2021-02-09 | 2021-06-18 | 重庆新离子环境科技有限公司 | Direct current arc plasma torch applied to hazardous waste treatment |
| CN112996211B (en) * | 2021-02-09 | 2023-12-26 | 重庆新离子环境科技有限公司 | Direct-current arc plasma torch applied to hazardous waste treatment |
| CN114951931A (en) * | 2022-04-27 | 2022-08-30 | 江苏京生管业有限公司 | Plasma welding device for steel structure treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20171127 |