CN2133401Y - Low-voltage generating arc plasma cutting blowpipe - Google Patents
Low-voltage generating arc plasma cutting blowpipe Download PDFInfo
- Publication number
- CN2133401Y CN2133401Y CN 92221249 CN92221249U CN2133401Y CN 2133401 Y CN2133401 Y CN 2133401Y CN 92221249 CN92221249 CN 92221249 CN 92221249 U CN92221249 U CN 92221249U CN 2133401 Y CN2133401 Y CN 2133401Y
- Authority
- CN
- China
- Prior art keywords
- inner core
- sleeve
- metallic conductor
- nozzle
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a low-voltage generating arc plasma cutting blowpipe. The cutting blowpipe comprises a body insulator, a metallic conductor, an electrode, a nozzle, etc. The utility model is characterized in that the metallic conductor comprises an inner core, a sliding sleeve, and an outer sleeve, wherein, the middle of the inner core is hollow, a circulation-air-flow channel is positioned at the inner core, top is provided with a direction-regulation air-flow channel, one end of the inner core is connected with the electrode, and the other end is connected with a gas-electricity pipe; one end of an insulation isolation sleeve is connected with the nozzle, the other end is connected with the sliding sleeve; a gap for movement is positioned between an isolation sleeve and the end surface of the outer sleeve. The utility model has the advantages that the service life is prolonged, energies can be saved, and the automatization of operating is conveniently realized.
Description
The utility model relates to a kind of cutting torch of CUT, particularly the cutting torch of low-voltage arcing CUT.
Existing CUT adopts high-frequency high-voltage current striking, cutting, produces a series of insoluble technical problems thus: main frame and cutting torch thereof are normal owing to high-voltage breakdown is broken down; The root that the main frame electric wiring damages is many from high-frequency and high-voltage; Cutting torch damages to be had more than 95% not become because of the high-frequency and high-voltage striking or striking is not good causes; In addition, this cutting machine can disturb the operate as normal of contiguous electronic equipment, computer, microcomputer, has also just influenced it simultaneously and has made progress in program control field.New inventive concept is the CUT of a kind of low-voltage arcing of research naturally.
The purpose of this utility model provides a kind of plasma cutting torch with low-voltage arcing.
The CUT that relates to comprises main frame, cutting torch, control system, and main frame connects power frequency supply, and dc source is made up of three-phase transformer, three-phase full-wave bridge rectifier etc., and output head anode connects cutting torch, and negative pole connects workpiece.
Described plasma cutting torch with low-voltage arcing is made up of body insulator, metallic conductor, insulation separation sleeve, nozzle, electrode, protective sleeve etc.Electrode one end is equipped with hafnium filament, and the other end is connected with metallic conductor.Metallic conductor is made up of three parts, and they are: inner core, sliding sleeve, overcoat.Inner core hollow, the end mat electrode that is threaded, the other end connects the pneumoelectric pipe, is threaded between inner core and the overcoat.Sliding sleeve one end relies on spring, and the other end connects the insulation separation sleeve.The jut of nozzle one side embeds the insulation separation sleeve.Being threaded between protective sleeve mat and the metallic conductor overcoat fuses nozzle, insulation separation sleeve etc. and metallic conductor overcoat etc.Between metallic conductor overcoat end face and the insulation separation sleeve free gap is arranged, nozzle is indentation one segment distance inwardly, makes it to contact with electrode, and the effect of mat spring force resets after the removal external force.Air-flow is through the inner chamber of metallic conductor inner core; again through the tangential gas flow groove on its circulation airflow groove and top; enter electrode chamber with eddy flow; after the nozzle internal orifice is discharged; simultaneously through metallic conductor inner core and sliding sleeve gap; behind axial flow cooling insulation separation sleeve outer surface, the hole between nozzle and protective sleeve is discharged.
Now in conjunction with the accompanying drawings the utility model is further described.
Fig. 1 is the plasma cutting torch with low-voltage arcing cutaway view
Fig. 2 is the front view of the relevant part of cutting torch
1-nozzle among the figure, 2-electrode, the 3-separation sleeve that insulate, 4-protective sleeve, 5-metallic conductor inner core, 6-metallic conductor sliding sleeve, 7-spring, 8-metallic conductor overcoat, 9-body insulator, 10-hafnium filament.
Plasma cutting torch with low-voltage arcing comprises body insulator (9), metallic conductor (5) (6) (8), insulation separation sleeve (3), electrode (2), protective sleeve (4), nozzle (1).Electrode (2) one ends are equipped with hafnium filament (10), and the other end is connected with metallic conductor inner core (5).Empty in the metallic conductor (5), sliding sleeve (6) is arranged outward, spring (7) is arranged therebetween, be threaded between the metallic conductor (5) (8).Sliding sleeve (6) one ends rely on spring (7), and the other end connects insulation separation sleeve (3).Nozzle (1) one distal process rises and is partially submerged into insulation separation sleeve (3).Being threaded between protective sleeve (4) mat and the metallic conductor overcoat (8), nozzle (1), insulation separation sleeve (3) waited and metallic conductor overcoat (8) etc. fuses.Between metallic conductor overcoat (8) end face and insulation separation sleeve (3) end face free gap is arranged, can allow inwardly indentation one segment distance of nozzle (1), make it to contact with electrode (2), the effect of mat spring force resets after the removal external force.Metallic conductor inner core (5) is connected with the pneumoelectric pipe.Metallic conductor inner core (5) has the circulation airflow groove; top end has the airslide that tangential annular is curled up; air-flow is through the inner chamber of metallic conductor inner core (5); again through its circulation airflow groove and tangential gas flow groove; enter electrode chamber with eddy flow, after nozzle (1) internal orifice is discharged, the while is through metallic conductor inner core (5) and sliding sleeve (6) gap; behind axial flow cooling insulation separation sleeve (3) outer surface, the hole between nozzle (1) and protective sleeve (3) is discharged.The operating voltage of cutting torch is the 30-60 volt, and electric current is the 10-600 peace.The air-flow of addressing can adopt air.
The working condition of this cutting torch is such, causes striking, cutting by collision with separating between electrode (2) and the nozzle (1).This electrode (2) is achieved in that with nozzle (1) low pressure short-circuit arc mode a cutting torch contacts with workpiece, what at first touch is nozzle (1), handle is pressed toward next, and nozzle this moment (1) contacts with electrode (2), and the gas that flow through this moment is the insulator of atomic molecular state; Unclamp immediately then, because the effect of spring, nozzle (1) and electrode (2) instantaneous separation, the just starting the arc smoothly, this moment, gas was among the arc column, ionization rapidly, gas among the arc column has formed plasma, goes out to nozzle (1) internal orifice with very fast whirling speed, and the plasma column energy height is concentrated, penetrate with superfine torch form, carry out cutting.
Owing to got rid of high-frequency and high-voltage, this CUT can not cause interference and damage to electronic instrument and equipment, thereby is convenient to support the use with various microcomputers and program control numerical control device, easily is automated. Compare with the high-frequency and high-voltage plasma cutting-torch, can improve the service life of above-mentioned cutting torch more than ten times, in addition energy-conservation, advantage such as joint material etc.
Claims (1)
1, a kind of plasma cutting-torch comprises body insulator, metallic conductor, insulation separation sleeve, electrode, nozzle, protective sleeve, it is characterized in that:
A, metallic conductor comprise inner core (5), sliding sleeve (6), overcoat (8), and spring (7) is arranged therebetween;
B, inner core (5) hollow have the circulation airflow groove, and there is the tangential gas flow groove on the top, and the one end connects electrode (2), and the other end connects the pneumoelectric pipe;
C, insulation separation sleeve (3) one termination nozzles (1), another termination sliding sleeve (6) has the free gap between insulation separation sleeve (3) and overcoat (8) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92221249 CN2133401Y (en) | 1992-08-29 | 1992-08-29 | Low-voltage generating arc plasma cutting blowpipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92221249 CN2133401Y (en) | 1992-08-29 | 1992-08-29 | Low-voltage generating arc plasma cutting blowpipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2133401Y true CN2133401Y (en) | 1993-05-19 |
Family
ID=33768083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92221249 Expired - Fee Related CN2133401Y (en) | 1992-08-29 | 1992-08-29 | Low-voltage generating arc plasma cutting blowpipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2133401Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038660C (en) * | 1994-06-06 | 1998-06-10 | 山东矿业学院 | High temperature resistance anti-oxidation electrode for air plasma cutter |
| CN106041278A (en) * | 2015-04-02 | 2016-10-26 | 黄元奎 | Plasma torch |
-
1992
- 1992-08-29 CN CN 92221249 patent/CN2133401Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038660C (en) * | 1994-06-06 | 1998-06-10 | 山东矿业学院 | High temperature resistance anti-oxidation electrode for air plasma cutter |
| CN106041278A (en) * | 2015-04-02 | 2016-10-26 | 黄元奎 | Plasma torch |
| CN106041278B (en) * | 2015-04-02 | 2018-09-11 | 黄元奎 | plasma torch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |