CN104162734B - CUT goes out arc method - Google Patents

CUT goes out arc method Download PDF

Info

Publication number
CN104162734B
CN104162734B CN201410330344.9A CN201410330344A CN104162734B CN 104162734 B CN104162734 B CN 104162734B CN 201410330344 A CN201410330344 A CN 201410330344A CN 104162734 B CN104162734 B CN 104162734B
Authority
CN
China
Prior art keywords
air
helical form
compressed air
flow
fixed cover
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
Application number
CN201410330344.9A
Other languages
Chinese (zh)
Other versions
CN104162734A (en
Inventor
李伟民
杜欢
朱耀江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Mantel Import And Export Trade Co ltd
Original Assignee
WUHAN HUIGU YINHE INTELLIGENT SYSTEM ENGINEERING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUHAN HUIGU YINHE INTELLIGENT SYSTEM ENGINEERING Co Ltd filed Critical WUHAN HUIGU YINHE INTELLIGENT SYSTEM ENGINEERING Co Ltd
Priority to CN201410330344.9A priority Critical patent/CN104162734B/en
Publication of CN104162734A publication Critical patent/CN104162734A/en
Application granted granted Critical
Publication of CN104162734B publication Critical patent/CN104162734B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K10/00Welding or cutting by means of a plasma

Abstract

The invention discloses a kind of CUT and go out arc method, what relate to a kind of cutting machine goes out arc method. it comprises that plasma power supply sends starting the arc signal, compressed air enters in fixed cover and shunts in fixed cover, Part I compressed air enters in constant current cover, then the helical form of flowing through wind guide tank, and under the effect of helical form wind guide tank, form helical form air-flow, helical form air-flow heats up under arcing, decompose, ionization, the final helical form fire bundle that produces high concentration, Part II compressed air first gap of flowing through successively, air duct, and enter in the appearance matter space of protecting in mouth cap, final Part II compressed air is sprayed by third through-hole and forms protectiveness air-flow, protectiveness air-flow protects helical form fire bundle in central authorities. contain that the sheet material tangent plane that CUT of the present invention cuts out is more smooth, otch gradient can ensure in three degree, the otch back side is residual without metallic residue, does not need to carry out secondary operations again.

Description

CUT goes out arc method
Technical field
What the present invention relates to a kind of cutting machine goes out arc method, and a kind of CUT goes out specificallyArc method.
Background technology
In current sheet material manufacture field, add man-hour for hard plate material especially steel plate, useThe most common cutting machine is CUT, and CUT is made up of seven parts conventionally,Power supply, control system, water-cooling system, gas device, plasma cutter head device, plasma cuttingMachine body and processing work platform. Current CUT cutter head device be by plasma cutting gun andInjector electrode composition, in the time that plasma power supply sends starting the arc signal, injector electrode sends electric arc, pressesContracting air heats, decomposes and ionizes in electric arc, the oxygen cutting metal generation exothermic reaction of generation,Form otch, existing CUT can only carry out roughing to sheet material, the workpiece processingNot only there is the problem that otch gradient is excessive, edge is more coarse, and need to be to completing the workpiece of cuttingCarry out secondary operations, be therefore necessary to improve.
Summary of the invention
The object of the invention is the weak point in order to overcome background technology, and provide a kind of plasma to cutCutting mill goes out arc method.
To achieve these goals, technical scheme of the present invention is: CUT goes out arc method,It is characterized in that: comprise that plasma power supply sends starting the arc signal, compressed air enters in fixed cover alsoIn fixed cover, split into Part I compressed air and Part II compressed air, wherein, FirstPoint compressed air is entered in constant current cover by air-guiding hole and constant current cover top, enters into the in constant current coverPart compressed air can be flowed through and is located at the helical form wind guide tank of cutting electrode upper end, and leads in helical formUnder the effect of wind groove, form helical form air-flow, the intensification under arcing of helical form air-flow, decomposition, electricityFrom, the helical form fire that finally produces high concentration is restrainted, and Part II compressed air is flowed through successively and is located at admittedlyThe first gap between fixed cover overlaps with constant current, be located at the air duct of fixed cover lower end, and enter into and protectIn appearance matter space in mouth cap, final Part II compressed air is by being located at the threeway of protecting mouth cap lower endHole sprays and forms protectiveness air-flow, and described protectiveness air-flow protects helical form fire bundle in central authorities.
Due to the fire bundle gushing out in the shape of a spiral, and the air-flow that has a protectiveness is to this helical form fire Shu JinhangProtection, therefore in practical work process, the fiery Shu Chenggao that contains CUT ejection of the present inventionDegree concentrate shape, cuts sheet material process moderate heat bundle rotating speed can not reduce and deformation less, contain the present inventionMore smooth, the otch gradient of the sheet material tangent plane that cuts out of CUT can ensure in three degree,The otch back side is residual without metallic residue, does not need to carry out secondary operations again.
Brief description of the drawings
Fig. 1 is that constant current cover does not comprise air-guiding hole, and air duct is while being fourth hole, the present invention with etc.The syndeton schematic diagram of ion cutting gun.
Fig. 2 is that constant current cover does not comprise air-guiding hole, and air duct is made up of the second gap and fifth holeTime, the syndeton schematic diagram of the present invention and plasma cutting gun.
Fig. 3 is the structural representation of cutting head.
Fig. 4 is the structural representation of constant current cover.
Fig. 5 is the structural representation of fixed cover.
Fig. 6 is the structural representation that protects mouth cap.
Fig. 7 is the structural representation of cutting electrode.
1-cutting head in figure, 11-location-plate, 2-cutting electrode, 21-helical form wind guide tank, 22-zirconium hafnium tungstenAlloy electrode, 23-the first cylinder, 24-the second cylinder, 25-three cylindrical, 3-constant current cover, 31-wind-guidingHole, 4-fixed cover, 41-positioning round table, 42-the first gap, 43-the second gap, 5-protects mouth cap, 6-etc. fromSub-cutting gun, 71-the first through hole, 72-the second through hole, 73-third through-hole, 74-fourth hole, 75-Five-way hole, 8-air duct.
Detailed description of the invention
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but they do not form to the present inventionRestriction, only for example. Make advantage of the present invention more know and easily manage by explanation simultaneouslySeparate.
Consult accompanying drawing known: CUT goes out arc method, it is characterized in that: comprise plasma electricStarting the arc signal is sent in source, and compressed air enters in fixed cover 4 and split into first in fixed cover 4Partial shrinkage air and Part II compressed air, wherein, Part I compressed air is by air-guiding hole 31Overlap 3 tops with constant current and enter in constant current cover 3, enter into the Part I compression sky in constant current cover 3Gas can be flowed through and is located at the helical form wind guide tank 21 of cutting electrode 2 upper ends, and at helical form wind guide tank 21Effect is lower forms helical form air-flow, and helical form air-flow heats up, decomposes, ionizes under arcing,The helical form fire bundle that produces eventually high concentration, Part II compressed air is flowed through successively and is located at fixed cover 4And the first gap 42 between constant current cover 3, be located at the air duct 8 of fixed cover 4 lower ends, and enterIn the appearance matter space of protecting in mouth cap 5, final Part II compressed air protects mouth cap 5 lower ends by being located atThird through-hole 73 spray and form protectiveness air-flow, described protectiveness air-flow protects helical form fire bundleCentral authorities.
When real work, the present invention also comprises that CUT goes out arc device, goes out arc device and comprisesThe fixed cover 4 that end is connected with plasma cutting gun 6, the cutting electrode 2 of being located at fixed cover 4 inside, coverBe contained in cutting electrode 2 upper ends and be positioned at fixed cover 4 inside constant current cover 3, be located at fixed cover 4 lower ends andProtecting mouth cap 5, be located at that to protect mouth cap 5 inner and be the cutting head 1 of hollow structure for hollow structure.
Cutting electrode entirety is made with red copper, and it is rectangular teeth structure that cutting electrode 2 upper ends are provided with cross sectionHelical form wind guide tank 21, go out the large footpath 12mm of the helical form wind guide tank described in arc device, path 8mm,Pitch of thread 2mm, line number is 9, when real work, helical form wind guide tank can also be other size ginsengNumber, as long as helical form wind guide tank is rectangular teeth structure. Cutting electrode 2 lower ends are from 4 ends of fixed coverPortion passes and is positioned at cutting head 1, and cutting electrode 2 middle parts, lower end are provided with zirconium hafnium tungsten alloy electrode 22(content proportioning 1:1:8), the length of zirconium hafnium tungsten alloy electrode 22 should be not less than 2mm.
Cutting electrode 2 comprise be located at middle part the second cylinder 24, be connected first with the second cylinder 24 upper endsCylinder 23, is provided with and is with three cylindrical 25, the second cylinders 24 that are connected with the second cylinder 24 lower endsHelical form wind guide tank 21, the three cylindrical 25 middle parts, lower end of rectangular toothed are provided with zirconium hafnium tungsten alloy electrode22。
Preferably, described the first cylinder 23, the second cylinder 24 and three cylindrical 25 are monolithic construction,The diameter of the second cylinder 24 is greater than the diameter of the first cylinder 23, the diameter of the first cylinder 23 and the 3rd circleThe diameter of post 25 is identical.
Cutting head entirety is made with red copper, and cutting head 1 top is provided with location-plate 11, cutting head 1 bottomMiddle part is provided with the first through hole 71 for spraying plasma fire bundle.
The overall material of protecting mouth cap 5 is red copper, protects mouth cap 5 upper ends and is threaded with fixed cover 4 lower ends,The lower end of protecting mouth cap 5 is provided with multiple settings uniformly at intervals and for spraying the third through-hole 73 of air, protectsMouth cap 5 center bottom are provided with the second through hole 72 coaxial with fire jetting hole and that restraint for spraying plasma fire.
Distance between described third through-hole 73 and cutting head 1 bottom is 3~4mm, third through-hole 73Aperture be 0.5~1mm, adjacent pitch of holes of being separated by between third through-hole 73 is 1~3mm. DescribedAngle between axis and the horizontal plane of three through holes 73 is 45~90 °.
Fixed cover entirety material is industrial insulating ceramics, and fixed cover 4 inner sides, bottom are provided with positioning round table41, the sidewall of fixed cover 4 and constant current are overlapped and between 3 upper ends, are provided with the first gap 42, described the first gap42 are communicated with the appearance matter space of protecting in mouth cap 5 by the air duct 8 of being located at fixed cover 4 lower ends.
When actual installation, fixed cover lower end is external screw thread, and protects mouth cap upper end screw-internal thread fit; FixingThere is internal thread cover upper end, and internal thread coordinates with plasma cutting gun.
The sidewall of constant current cover 3 is provided with the air-guiding hole 31 that multiple intervals are in tilted layout, and 3 lower ends are overlapped in constant currentBe connected with positioning round table 41 by described location-plate 11. The axis of described air-guiding hole 31 and horizontal plane itBetween angle be 45~75 °, the aperture of air-guiding hole is 1~1.5mm, between adjacent two air-guiding holesPitch of holes is 1~2.5mm. Preferably, on constant current cover 3, be covered with air-guiding hole 31.
Described air duct 8 can be following two kinds of structures:
A. air duct 8 is for being located at the fourth hole 74 of fixed cover 4 lower ends, fourth hole 74 upper ends withDescribed the first gap 42 is communicated with, and fourth hole 74 lower ends are communicated with the appearance matter space of protecting in mouth cap 5.
B. air duct 8 comprises and is located at fixed cover 4 lower ends and the second gap between 3 lower ends is overlapped in constant current43, on described location-plate 11 and positioning round table 41, be equipped with multiple fifth holes that arrange uniformly at intervals75, fifth hole 75 upper ends are communicated with the second gap 43 and the first gap 41 successively, fifth hole 75Lower end be communicated with the appearance matter space of protecting in mouth cap 5. The aperture of described fifth hole 75 is 0.5~1mm,Pitch of holes between adjacent two fifth holes 75 is 1~3mm.
Described fixed cover 4, constant current cover 3, cutting electrode 2, protect between mouth cap 5 and cutting head 1, be withAxle is arranged.
Be by cutting head, cutting electrode, constant current cover, fixed cover, protect five, mouth cap owing to going out arc devicePoint form, therefore it is more accurate, compact to go out the structure of arc device. Due to cutting head, cutting electrode with protectMouth cap is to be mainly made up of red copper, and constant current cover and fixed cover are mainly made up of industrial ceramic, therefore go out arcThe manufacturing cost of device is lower. In the time that needs will go out arc device and be installed on CUT, workPersonnel only need to go out arc device and are placed in plasma cutting gun lower end, install simple and without danger. ?After, owing to going out fire bundle that arc device gushes out in the shape of a spiral, and there is the air-flow of protectiveness to this helical formFire Shu Jinhang protection, therefore in practical work process, contain the CUT ejection of arc deviceFire bundle be high concentration shape, cuts sheet material process moderate heat bundle rotating speed can not reduce and the deformation of fire bundleLittle, contain that the sheet material tangent plane that the CUT of arc device cuts out is more smooth, otch gradientCan ensure in three degree, the otch back side is residual without metallic residue, do not need again sheet material to be carried out to secondaryProcessing.
Other unaccounted part all belongs to prior art.

Claims (1)

1. CUT goes out arc method, it is characterized in that: comprise that plasma power supply sends starting the arc letterNumber, compressed air enters in fixed cover (4) and in fixed cover (4), splits into Part I compression skyGas and Part II compressed air,
Wherein, Part I compressed air enters into constant current cover by air-guiding hole (31) and constant current cover (3) top(3), in, enter into Part I compressed air in constant current cover (3) and can flow through and be located on cutting electrode (2)The helical form wind guide tank (21) of end, and under the effect of helical form wind guide tank (21), form helical form air-flow,Helical form air-flow heats up, decomposes, ionizes under arcing, finally produces the helical form of high concentrationFire bundle,
Part II compressed air is flowed through successively and is located between first between fixed cover (4) and constant current cover (3)Gap (42), be located at the air duct (8) of fixed cover (4) lower end, and enter into the appearance matter of protecting in mouth cap (5)In space, final Part II compressed air is by being located at third through-hole (73) ejection of protecting mouth cap (5) lower endAnd forming protectiveness air-flow, described protectiveness air-flow protects helical form fire bundle in central authorities.
CN201410330344.9A 2014-07-11 2014-07-11 CUT goes out arc method Expired - Fee Related CN104162734B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410330344.9A CN104162734B (en) 2014-07-11 2014-07-11 CUT goes out arc method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410330344.9A CN104162734B (en) 2014-07-11 2014-07-11 CUT goes out arc method

Publications (2)

Publication Number Publication Date
CN104162734A CN104162734A (en) 2014-11-26
CN104162734B true CN104162734B (en) 2016-05-25

Family

ID=51906822

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410330344.9A Expired - Fee Related CN104162734B (en) 2014-07-11 2014-07-11 CUT goes out arc method

Country Status (1)

Country Link
CN (1) CN104162734B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108561881B (en) * 2018-03-16 2023-11-24 徐慕庆 Cutting nozzle
CN109483031B (en) * 2018-12-14 2020-06-09 山东大学 Plasma arc welding device and welding method for large-fusion-depth large-depth-to-width-ratio through hole
CN109848615A (en) * 2019-01-08 2019-06-07 陶玉梅 Shielding case that is air-cooled with optimization and improving cutting power

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902871A (en) * 1987-01-30 1990-02-20 Hypertherm, Inc. Apparatus and process for cooling a plasma arc electrode
CN1054387A (en) * 1990-02-28 1991-09-11 依赛彼焊接产品有限公司 Plasma (welding) torch with extended jet nozzle
US5726415A (en) * 1996-04-16 1998-03-10 The Lincoln Electric Company Gas cooled plasma torch
CN1194889A (en) * 1997-03-14 1998-10-07 林肯电气公司 Plasma arc torch
CN202240116U (en) * 2011-09-08 2012-05-30 安徽西锐重工科技有限公司 Plasma cutting torch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902871A (en) * 1987-01-30 1990-02-20 Hypertherm, Inc. Apparatus and process for cooling a plasma arc electrode
CN1054387A (en) * 1990-02-28 1991-09-11 依赛彼焊接产品有限公司 Plasma (welding) torch with extended jet nozzle
US5726415A (en) * 1996-04-16 1998-03-10 The Lincoln Electric Company Gas cooled plasma torch
CN1194889A (en) * 1997-03-14 1998-10-07 林肯电气公司 Plasma arc torch
CN202240116U (en) * 2011-09-08 2012-05-30 安徽西锐重工科技有限公司 Plasma cutting torch

Also Published As

Publication number Publication date
CN104162734A (en) 2014-11-26

Similar Documents

Publication Publication Date Title
CN104162734B (en) CUT goes out arc method
CN101530000B (en) Contoured shield orifice for plasma arc torch
CN110202225B (en) Device for improving electric spark electrolysis composite perforation processing quality with assistance of air flow
KR20120004653U (en) Protective nozzle cap protective nozzle cap retainer and arc plasma torch having said protective nozzle cap and/or said protective nozzle cap retainer
CN204122916U (en) CUT goes out arc device with protecting mouth cap
CN103846583A (en) Protecting cover for welding gun
CN104595139A (en) Cylindrical cuspend magnetic field thruster
CN202846026U (en) Laser cutting head
CN204122915U (en) CUT goes out arc device cutting electrode
CN104148791A (en) Arc discharger for plasma cutting machine
CN102601506A (en) Plasma welding cutting gun
CN206755173U (en) A kind of flame cutter cutter device
CN202715947U (en) Plasma welding cutting gun
US20170332469A1 (en) Plasma cutting torch assembly and use of wear parts in a plasma cutting torch assembly
CN105562882A (en) Method for cutting and discharging of box column web
CN104998777A (en) Atomizing nozzle for bearing cleaning line
CN201789681U (en) Plasma cutting gun
CN206352823U (en) The disposable fire in glassware bottom beats porous, shaped device
CN203092809U (en) Water screen type water spraying system of graphite machine
CN205109345U (en) Line cylinder corona discharge exhaust -gas treatment equipment
CN205147557U (en) Welding is with protection gas gas distribution device
CN2847791Y (en) Screw insulation sleeve of plasma cutting torch
CN201944855U (en) Fire arresting mixing pipe for cutting torch
CN203254079U (en) Plasma cutting shielding case
CN204771076U (en) Inert gas protects welder

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Wang Zongang

Inventor after: Li Weimin

Inventor after: Du Huan

Inventor after: Zhu Yaojiang

Inventor before: Li Weimin

Inventor before: Du Huan

Inventor before: Zhu Yaojiang

CB03 Change of inventor or designer information
TR01 Transfer of patent right

Effective date of registration: 20210511

Address after: 100000 Yizhuang Metro Line in Daxing District of Beijing: the southeast of the intersection of auxiliary road of daronghua middle road and auxiliary road of Beihuan East Road in Yizhuang Cultural Industrial Park (adjacent to the international talent service hall of Daxing District Economic and Technological Development Zone in the South and the psychological development promotion post station of Beijing employees in the North), room 1, room 902, unit 1, unit 1, building 1, yard 22

Patentee after: Beijing mantel import and export trade Co.,Ltd.

Address before: 430031 Room 308, building 10, daijiashan science and technology venture City, Jiang'an District, Wuhan City, Hubei Province

Patentee before: WUHAN HUIGU YINHE INTELLIGENT SYSTEM ENGINEERING Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160525

Termination date: 20210711

CF01 Termination of patent right due to non-payment of annual fee