CN2535179Y - Steam plasma cutting-welding machine - Google Patents
Steam plasma cutting-welding machine Download PDFInfo
- Publication number
- CN2535179Y CN2535179Y CN 02208685 CN02208685U CN2535179Y CN 2535179 Y CN2535179 Y CN 2535179Y CN 02208685 CN02208685 CN 02208685 CN 02208685 U CN02208685 U CN 02208685U CN 2535179 Y CN2535179 Y CN 2535179Y
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- China
- Prior art keywords
- water tank
- control circuit
- cutting
- power control
- rectification
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- Expired - Lifetime
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Abstract
The utility model discloses a vapor plasmatron cutting-welding machine, comprising a power control circuit and a cutting-welding gun. The cutting-welding gun consists of an insulating shell and a built-in functional unit. The functional unit comprises a water tank that is provided with a tender filling hole and connected with a power control circuit. The front end of the water tank is connected with an anode nozzle. The back end of the water tank is provided with a sealed rear cowl. The rear cowl is provided with a through hole through which a cathode pole goes. The cathode pole is positioned in the water tank and connected with the cathode of the power control circuit. The front end of the cathode pole is fixedly connected with a tough cathode and the surrounding part of the cathode pole is provided with an insulating tube. The back end of the cathode pole is provided with an arc starting button used for pushing the cathode pole forward. A temperature sensor is positioned around the anode nozzle. The utility model has the advantages of large heat-energy density, centralized hotpot, high temperature, good penetrability, high arc stiffness, slim joint cutting and concentrative welding flame.
Description
Technical field
The utility model relates to a kind of steam plasma cutting-welding machine.
Background technology
The soldering method of cutting that shows domestic most employing generally is the electrolysis of water elder generation, is separated into hydrogen and oxygen and is stored in two jars, carries out flame with oxyacetylene method again and cuts weldering, and the temperature of this flame is about 3000 ℃, and the limitation cutting resembling the low-melting metal of carbon steel class.Other has conventional plasma cutting to adopt the air plasma cutting mostly, needs air compressor, and very big flue dust is arranged during cutting.
Summary of the invention
The purpose of this utility model provides a kind of volume steam plasma cutting-welding machine little, in light weight, easy to carry.It can be heated into steam to ordinary tap water in rifle, with the ion source of the gas of steam as plasma-arc; Same rifle adopted in cutting and welding, do not need optional equipments such as gas cylinder, compressor during work, can not produce flue dust when cutting weldering, is a kind of soldering equipment of cutting of environment-friendly type.
Realize above-mentioned purpose, the utility model is taked following design: this steam plasma cutting-welding machine, and by power control circuit and cut welding gun and constitute, the described welding gun of cutting is to be made of the shell body of insulation and built-in functional part; Described functional part comprises :-the water tank that has water filling port and join with the power control circuit positive pole, and the front port of water tank connects anode nozzle, and rear port is established airtight back cover, has the through hole that passes for cathode rod on the back cover; One cathode rod that places in the water tank and join with the power control circuit negative pole, the affixed tough cathode electrode of its head end, the periphery is with insulation tube, and the afterbody of cathode rod is stretched out by the through hole of water tank back cover, and its tail end outside is provided with can press the starting the arc button that cathode rod is moved forward; Be provided with temperature sensor near the anode nozzle; Described power control circuit is made of rectification circuit unit, control circuit unit, electronic switch, inverter circuit unit and major and minor circuit rectification unit, external power supply connects the input of inverter circuit unit through the output of rectification circuit unit full-bridge rectification, inverter circuit unit output two-way connects the input of major and minor circuit rectification unit respectively, the output of major and minor circuit rectification unit connects respectively cuts welding gun, external workpiece, and the output of rectification unit is controlled by electronic switch respectively; Inverter circuit and electronic switch are controlled in the output of described control circuit unit respectively.
The utility model has the advantages that:
1, heat-source energy density is big, concentrate the hot-zone, temperature is high, the penetration capacity height.
2, arc stiffness height, the angle of flare of arc only are that joint-cutting is thinner about 5 °, and welding flame is concentrated.
3, adopting steam is the ion source of the gas, and business efficiency is high and can improve working environment widely, and complete machine carries with very easy to use.
4, purposes is wide.
Description of drawings
Fig. 1 cuts the welding gun structural representation for the utility model
Fig. 2 is the utility model power control circuit block diagram
Fig. 3 is the utility model power control circuit schematic diagram
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing
The utility model steam plasma cutting-welding machine is by power control circuit and cut welding gun and constitute, and same rifle body adopted in cutting and welding, only needs to change nozzle, cutting nozzles aperture 1.0～1.1mm, welding tip aperture 1.8～2.3mm.
As shown in Figure 1, the described welding gun of cutting is to be made of the shell body of insulation and built-in functional part.Shell body 20 adopts resistant to elevated temperatures phenolic materials to make, and inner bag is stainless cylinder of steel; Be the maintenance and the replacing of conveniently built-in functional part, shell body can be designed to open front by present embodiment, covers a sheath 8; Back tail opening, lid is established shell back cover 16; Open cable port 22 on the housing appropriate location.
Described functional part comprises:
One stainless steel water tank 14 that has water filling port 19 and join with the power control circuit positive pole, the front port of water tank connects anode nozzle 4, or through with connect anode nozzle after water tank protecgulum 9, water tank cover cap 6 priorities are connected.The water tank rear port is established airtight water tank back cover 18, has the through hole that passes for cathode rod on the back cover, and for reaching sealing purpose, water tank back cover and tank box joint have sealing rubber ring 13.
One cathode rod 10 that places in the water tank and join with power cathode, the affixed tough cathode electrode 7 of its head end (comprising the negative electrode 21 that is bumped into), the periphery of cathode rod is with micanite English pipe 12, the afterbody of cathode rod is stretched out by the through hole of water tank back cover, and its tail end outside is provided with can press the starting the arc button 17 that cathode rod is moved forward; The periphery of tough cathode electrode 7 is provided with a circle interstage bushing 5, is provided with temperature sensor 15 (WC1 in the circuit) near the anode copper electrode; The periphery of cathode rod also is with cooler 11.
General running water is only used at the water source, can a little a little alcohol during welding.
Water injects the zone of water tanks 3 by water filling port 19 during work, in the mineral wool suction is arranged.The positive pole of power supply connects the water tank of rifle, and water tank links to each other with nozzle 4, lining 5, cooler 11.The negative pole of power supply connects cathode rod 10, electrode 7.Quartz ampoule 12 insulation are arranged between cathode rod and the cooler, and water tank back cover 18 is insulating materials.Behind the power connection, press button 17, decontrol immediately, electrode contacts the starting the arc with nozzle, and water is 2 formation steams in the steam district, and steam is along with the temperature rising pressure in the zone becomes big, and regional the right is being blocked up, and has only left side gas that outlet is arranged.Under arcing, a part of water vapour becomes plasma, forms plasma-arc in ion plasma 1 and sprays from nozzle.
In order to reduce, need power supply to have slow external characteristics of falling because of the arc length fluctuation causes voltage change.In order to reduce volume and weight, power control circuit adopts the inversion form, and power supply block diagram and schematic diagram are seen Fig. 2, Fig. 3.
Main circuit inversion device adopts IGBT, the operating current stepping is adjustable maximum 6A, floating voltage 350V.Two groups of rectifier power source series connection are arranged after the inversion,, only use main power source if adopt untransferable arc.If employing untransferable arc and transferred arc also deposited, then need two groups of power supplys series connection of major-minor to use.
Circuit is described below: 220 volts alternating currents of main circuit input, by full-bridge rectification, through the full-bridge inverting by D1-D4, transformer T1 exports two groups of 20KHz high frequency voltages, distinguishes after the rectification working power as cutting, welding and soldering.
Control circuit is given current signal by W1, by comparing after operational amplifier IC1 and IC2 amplification back and current feedback signal process amplifier IC10 and the IC11 amplification, deliver to pulse width modulator (PWM chip, model TL494) IC5 through secondary amplifier IC3 and IC4 again.Send two groups of signals by IC5, wherein one group of phase place is constant, and another group is can move with the sized phases of given signal.These two groups of signals carry out shaping and drive amplifying unit IC8, IC9 (d type flip flop), the inversion of control D1-D4 through IC6, d type flip flop IC8 and IC9 respectively.One group of output that phase place is constant of PWMIC5 makes the Q1 conducting through IC7 output negative level, drives optocoupler TLP1, and amplifier IC16 output makes the D5 conducting.One group of high frequency voltage C of inverter bridge output, the DC voltage of D rectification output can be added to the positive and negative polarities of rifle Q, and rifle just can have been worked.If the water in the rifle uses up, rifle anode urgency degree heats up, and near the temperature sensor WC1 that is placed on the anode can make D5 turn-off, and the D7 signal that flashes is shut down cooling rifle body simultaneously, adds entry again and starts shooting.If when wishing that two groups of voltages of inversion are worked simultaneously, can open the switch of potentiometer W3, open second group of rectifier bridge A, B connects workpiece, and two groups of voltages are series connection, and workpiece is anodal.IC7 in the circuit also is pulse width modulator (PWM chip, model TL494).
The utility model steam plasma cutting-welding machine is that a kind of novel electric arc is cut soldering equipment, its special feature is that ordinary tap water is heated into steam in rifle, with ion source of the gas cutting and the welding of steam as plasma-arc, the arc flame central temperature can reach 8000 ℃, and penetration capacity is very high.Though this device has only 2 kilowatts input power, but but can cut thick carbon steel of 3mm-4mm and corrosion resistant plate, the thick steel plate of through welding 4mm, steam resolves into hydrogen and participates in constituting the gas that cuts and weld with oxygen, existence for oxygen, close Yu Gangshi at cutting mild steel with low, cause violent oxidation reaction, quickened the burning and the fusing of workpiece.In rifle, inject 20mL water, once can work 20 minutes; Power supply adopts the inversion form, uses 220 volts of AC powers; Do not need optional equipments such as gas cylinder, compressor during work, thereby have volume advantage little, in light weight, easy to carry; Forming steam behind the flame combustion, absorbed flue gas and tiny splashing, can not produce flue dust when cutting weldering, improved working environment widely, is a kind of soldering equipment of cutting of environment-friendly type; The steam plasma-arc can cut various metal materials, the oxyacetylene torch method high-alloy steel and the non-ferrous metal that can not cut particularly, untransferable arc is adopted in cutting, workpiece can be nonconducting nonmetallic materials, so can also cut quartz, pottery etc., also can be used for toasting metal and nonmetal plate, on wood-block, draw a picture etc.Welding can be fuse or soldering.Welding gun is the plasma electric arc flame when workpiece grounding, and welding gun is the gas loop flame when workpiece is earth-free.
Claims (3)
1, a kind of steam plasma cutting-welding machine, by power control circuit and cut welding gun and constitute, it is characterized in that: the described welding gun of cutting is to be made of the shell body of insulation and built-in functional part; Described functional part comprises
One water tank that has water filling port and join with the power control circuit positive pole, the front port of water tank connects anode nozzle, and rear port is established airtight back cover, has the through hole that passes for cathode rod on the back cover;
One cathode rod that places in the water tank and join with the power control circuit negative pole, the affixed tough cathode electrode of its head end, the periphery is with insulation tube, and the afterbody of cathode rod is stretched out by the through hole of water tank back cover, and its tail end outside is provided with can press the starting the arc button that cathode rod is moved forward;
Be provided with temperature sensor near the anode nozzle.
2, steam plasma cutting-welding machine according to claim 1, it is characterized in that: described power control circuit is made of rectification circuit unit, control circuit unit, electronic switch, inverter circuit unit and major and minor circuit rectification unit, external power supply connects the input of inverter circuit unit through the output of rectification circuit unit full-bridge rectification, inverter circuit unit output two-way connects the input of major and minor circuit rectification unit respectively, the output of major and minor circuit rectification unit connects respectively cuts welding gun, external workpiece, and the output of rectification unit is controlled by electronic switch respectively; Inverter circuit and electronic switch are controlled in the output of described control circuit unit respectively.
3, steam plasma cutting-welding machine according to claim 1 is characterized in that: the front port of water tank through with connect anode nozzle after water tank protecgulum, cover cap successively are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02208685 CN2535179Y (en) | 2002-04-09 | 2002-04-09 | Steam plasma cutting-welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02208685 CN2535179Y (en) | 2002-04-09 | 2002-04-09 | Steam plasma cutting-welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535179Y true CN2535179Y (en) | 2003-02-12 |
Family
ID=33689302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02208685 Expired - Lifetime CN2535179Y (en) | 2002-04-09 | 2002-04-09 | Steam plasma cutting-welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535179Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941115A (en) * | 2010-09-01 | 2011-01-12 | 柯进电气(上海)有限公司 | Portable multi-functional steam plasma arc welding and cutting machine |
| CN102238794A (en) * | 2010-04-27 | 2011-11-09 | 嘉兴江林电子科技有限公司 | Contact-type plasma sparkpen |
| CN101516563B (en) * | 2006-09-15 | 2012-02-15 | 弗罗纽斯国际有限公司 | Water vapour plasma burner and method of wear detection and process control in the case of such a water vapour plasma burner |
| CN103737165A (en) * | 2014-01-21 | 2014-04-23 | 柳州市欧博科技有限公司 | Portable water vapor plasma pulse arc cutting and welding machine |
| CN105142844A (en) * | 2013-04-02 | 2015-12-09 | 松下知识产权经营株式会社 | Torch for plasma cutting, plasma cutting power supply, and plasma cutting device |
| CN109587922A (en) * | 2018-12-11 | 2019-04-05 | 新奥科技发展有限公司 | A kind of plasma water torch |
| CN111331233A (en) * | 2020-03-29 | 2020-06-26 | 吴忠市黄河电焊机有限公司 | Arc breakage prevention protection device based on high-power plasma cutting |
-
2002
- 2002-04-09 CN CN 02208685 patent/CN2535179Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101516563B (en) * | 2006-09-15 | 2012-02-15 | 弗罗纽斯国际有限公司 | Water vapour plasma burner and method of wear detection and process control in the case of such a water vapour plasma burner |
| CN102238794A (en) * | 2010-04-27 | 2011-11-09 | 嘉兴江林电子科技有限公司 | Contact-type plasma sparkpen |
| CN101941115A (en) * | 2010-09-01 | 2011-01-12 | 柯进电气(上海)有限公司 | Portable multi-functional steam plasma arc welding and cutting machine |
| CN105142844A (en) * | 2013-04-02 | 2015-12-09 | 松下知识产权经营株式会社 | Torch for plasma cutting, plasma cutting power supply, and plasma cutting device |
| CN105142844B (en) * | 2013-04-02 | 2018-04-03 | 松下知识产权经营株式会社 | Plasma cut cutting torch, plasma cut power supply and plasma cutter |
| CN103737165A (en) * | 2014-01-21 | 2014-04-23 | 柳州市欧博科技有限公司 | Portable water vapor plasma pulse arc cutting and welding machine |
| CN103737165B (en) * | 2014-01-21 | 2016-04-27 | 柳州市欧博科技有限公司 | A kind of portable water-vapor plasma pulse arc cutting-welding machine |
| CN109587922A (en) * | 2018-12-11 | 2019-04-05 | 新奥科技发展有限公司 | A kind of plasma water torch |
| CN111331233A (en) * | 2020-03-29 | 2020-06-26 | 吴忠市黄河电焊机有限公司 | Arc breakage prevention protection device based on high-power plasma cutting |
| CN111331233B (en) * | 2020-03-29 | 2022-01-11 | 吴忠市黄河电焊机有限公司 | Arc breakage prevention protection device based on high-power plasma cutting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120409 Granted publication date: 20030212 |