Nothing Special   »   [go: up one dir, main page]

CN205464761U - Portable water vapour plasma cutting and welding machine - Google Patents

Portable water vapour plasma cutting and welding machine Download PDF

Info

Publication number
CN205464761U
CN205464761U CN201620084874.4U CN201620084874U CN205464761U CN 205464761 U CN205464761 U CN 205464761U CN 201620084874 U CN201620084874 U CN 201620084874U CN 205464761 U CN205464761 U CN 205464761U
Authority
CN
China
Prior art keywords
circuit unit
electric heating
water tank
unit
cutting
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
CN201620084874.4U
Other languages
Chinese (zh)
Inventor
任春芝
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.)
HENAN RONGBO TECHNOLOGY Co Ltd
Original Assignee
HENAN RONGBO TECHNOLOGY 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 HENAN RONGBO TECHNOLOGY Co Ltd filed Critical HENAN RONGBO TECHNOLOGY Co Ltd
Priority to CN201620084874.4U priority Critical patent/CN205464761U/en
Application granted granted Critical
Publication of CN205464761U publication Critical patent/CN205464761U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Arc Welding Control (AREA)

Abstract

The utility model relates to a portable water vapour plasma cutting and welding machine, including cutting welder and control circuit, be equipped with electric heating the water tank in cutting welder's shell, the anode cap is installed through the positive pole sleeve pipe with electric heating the water tank exit linkage to the front end of shell, and the center of anode cap is equipped with the nozzle, is equipped with the cation generator in the positive pole sleeve pipe, and the insulating quartz glass tube who extends around through in the electric heating the water tank installs reciprocating motion's cathode bar, inlays at cathode bar's front end and is equipped with the tungsten cathode stick, cathode bar's rear end and install drive on the shell and press the button the transmission and be connected, control circuit includes rectifier circuit unit, electronic switch unit, inverter circuit unit, non - transferred arc circuit unit, protects circuit unit and write in formula integrated circuit the control unit into. This portable water vapour plasma cutting and welding machine simple structure, convenience safe in utilization have that small, light in weight, convenient to carry, power are big, environmental protection and energy saving etc. The extensive characteristics of application scope.

Description

Portable water-vapor plasma cutting welder
Technical field
This utility model relates to a kind of plasma and cuts soldering equipment, specifically relates to a kind of portable water-vapor plasma cutting welder.
Background technology
In modern industry field, increasing use various metals and nonmetallic materials cut soldering equipment, present domestic most employing cut in soldering equipment, its principle uses a water to be first electrolysed mostly, it is separated into hydrogen and oxygen is stored in two tanks, then carry out, by oxyacetylene method, the method that flame cuts weldering.This compressed-air-storing mode is the most dangerous, and transport inconvenience, simultaneously because oxyacetylene weldering flame of cutting is about 3000 DEG C, limitation is in carbon steel class material, and for the relatively low metal of fusing point, such as rustless steel, aluminum, copper, then can not cut, and can not cut simultaneously for nonmetallic materials.And we it is also often desirable to be processed a lot of special materials in daily, the nonmetallic materials such as such as glass, pottery, jade, for these nonmetallic materials, existing soldering equipment of cutting cannot use at all.
Utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming of the prior art, it is provided that the portable water-vapor plasma cutting welder that a kind of volume is little, power is big, easy to use, applied widely.
In order to realize above-mentioned purpose, portable water-vapor plasma cutting welder of the present utility model the technical scheme is that a kind of portable water-vapor plasma cutting welder, including cutting welding gun and control circuit, described welding gun of cutting includes shell and the electric heating water tank being installed in shell, it is provided with in the front end of described shell and exports, with electric heating water tank, the anode sleeve pipe being connected, front port at this anode sleeve pipe is provided with anode cap, it is provided with nozzle at the center of this anode cap, anode sleeve pipe is provided with between electric heating water tank and anode cap cation generator;The insulation quartz glass tube front and back extended it is provided with in described electric heating water tank, it is coated with, in this insulation quartz glass tube, the cathode rod front and back moved back and forth, the front end of this cathode rod passes described cation generator, it is installed with between cathode rod and anode cap and the ionization chamber of described electric heating water tank outlet, and stretch into the tip, front end of this ionization chamber at cathode rod and fix and be embedded with the tungsten cathode rod being arranged concentrically with described nozzle, the back-end sealing of this cathode rod slides through the sealing member arranged on water tank and is in transmission connection with the activation button being located on shell;Described control circuit includes the rectification circuit unit being sequentially connected in series, first electronic switch unit, inverter circuit unit, first secondary rectification circuit unit and untransferable arc circuit unit, described untransferable arc circuit unit connects cathode output end and connects cathode output end by the second electronic switch unit, a described rectification circuit unit is also associated with for controlling first, the write integrated circuit control unit of the second electronic switch unit break-make, this write integrated circuit control unit is also respectively connected with the first protection circuit unit and the second protection circuit unit cutting welding gun running status for monitoring, second protection circuit unit and the second electronic switch unit connect.
Portion is additionally provided with water supply tank on the housing, and this water supply tank is internal to be connected inside described electric heating water tank, is provided with water filling and seals cap on this water supply tank.
Described anode cap is cutting anode cap or welding anode cap, and the nozzle bore of described cutting anode cap is 0.8mm~1.3mm, and the nozzle bore of described welding anode cap is 1.6mm~3.0mm.
The first described secondary rectification circuit unit is also associated with the second secondary rectification circuit unit, and this second secondary rectification circuit unit connects has transferred arc circuit unit, transferred arc circuit unit to connect the 3rd electronic switch unit and transferred arc mother metal respectively.
A described rectification circuit unit is two/three-phase bridge rectification circuit unit.
A described rectification circuit unit is also associated with low-voltage power supply circuit unit, and this low-voltage power supply circuit unit is connected with said write formula integrated circuit control unit and inverter circuit unit respectively.
Portable water-vapor plasma cutting welder of the present utility model can irrigate common tap water in electric heating water tank, the steam generated after tap water is heated is ionized in ionization chamber as the ion source of the gas of plasma-arc, its beam-plasma temperature produced is up to more than 10000 DEG C, heat and energy density are big, hot-zone high concentration, penetration capacity is strong, arc stiffness is high, joint-cutting is thinner, the diffusion angle of arc is only about 3 degree, cut weldering flame to concentrate, it is thus possible to realize cutting weldering one, various metals and nonmetallic materials can be processed, simultaneously can be used for high-temperature heating, high temperature surface processes, high temp glass seals, medical high temperature sterilization and kill sick cell, stones and ceramics is carved, glass-cutting, repair the operations such as ceramic crack, the scope of application is widely;And during its work, need not the optional equipment such as gas cylinder, compressor; make this cutting-welding machine volume little, lightweight, easy to carry; use each output and control voltage in write integrated circuit energy accurate control circuit; the integrated process of power device makes the double raising of output of equipment; flue dust will not be produced when cutting weldering; make it have the feature of environmental protection and energy saving, non-environmental-pollution, be provided with multiple protective circuit so that equipment is safe and reliable, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation cutting welding gun in portable water-vapor plasma cutting welder of the present utility model;
Fig. 2 is the theory diagram of the control circuit in portable water-vapor plasma cutting welder of the present utility model;
Fig. 3 is the control circuit figure of portable water-vapor plasma cutting welder of the present utility model;
Fig. 4 is the stitch definition figure of CPU control chip in Fig. 3.
Detailed description of the invention
Portable water-vapor plasma cutting welder of the present utility model is mainly by cutting welding gun and control circuit two parts form, wherein, cut the concrete structure of welding gun as shown in Figure 1, it includes shell 5 and the electric heating water tank 13 being installed in shell 5, it is provided with in the front end of shell 5 and exports, with electric heating water tank 13, the anode sleeve pipe 9 being connected, front port at this anode sleeve pipe 9 is provided with anode cap 7, it is provided with nozzle at the center of this anode cap 7, meanwhile, anode sleeve pipe 9 is provided with between electric heating water tank 13 and anode cap 7 cation generator 6.In the present embodiment, anode cap 7 can use cutting anode cap or welding anode cap as required, and wherein, the nozzle bore of cutting anode cap is 0.8mm~1.3mm, and the nozzle bore of described welding anode cap is 1.6mm~3.0mm.The insulation quartz glass tube 11 front and back extended it is provided with in electric heating water tank 13, the cathode rod 12 front and back moved back and forth it is coated with in this insulation quartz glass tube 11, the front end of this cathode rod 12 passes cation generator 6, it is installed with between cathode rod 12 and anode cap 7 and the ionization chamber of electric heating water tank 13 outlet, stretches into the tip, front end of this ionization chamber at cathode rod 12 and fix and be embedded with the tungsten cathode rod 8 matched with anode cap 7.The back-end sealing of cathode rod 12 slides through the sealing member 15 arranged on electric heating water tank 13 and is in transmission connection with the activation button 3 being arranged on shell 5.The volume of electric heating water tank 13 in welding gun is cut for increasing this, extending the use time cutting welding gun, in the present embodiment, it is also equipped with water supply tank 1 on shell 5 top cutting welding gun, the inside of this water supply tank 1 is internal with electric heating water tank 13 to be connected, and is provided with water filling and seals cap 2 on this water supply tank 1.
For increasing the service life cutting welding gun, it is to avoid anode cap is by high temperature failure, and it is provided with mini-fan (not shown in FIG.) in the junction of anode sleeve pipe 9 with shell 5, utilize mini-fan to suck air and form protective gas, lower the temperature for anode cap.
The composition of control circuit is as shown in Figure 2, it includes a rectification circuit unit the 21, first electronic switch unit 22, inverter circuit unit the 23, first secondary rectification circuit unit 24 and the untransferable arc circuit unit 25 being sequentially connected in series, wherein, untransferable arc circuit unit 25 one end connects cathode output end 26, the other end connects cathode output end 28 by the second electronic switch unit 27, this cathode output end 28 is connected with ion generator 6 and anode cap 7 by the main body of electric heating water tank 13, and cathode output end 26 is connected with tungsten cathode rod 8 by cathode rod 12.Outfan at a rectification circuit unit 21 is also associated with the write integrated circuit control unit 29 for controlling first, second electronic switch unit 22,27 break-make; this write integrated circuit control unit 29 is connected to cut the first protection circuit unit 30 and the second protection circuit unit 36 of welding gun running status for monitoring; wherein, outfan and second electronic switch unit 27 of the second protection circuit unit 36 connects.The outfan of the first secondary rectification circuit unit 24 is also associated with the second secondary rectification circuit unit 32, this the second secondary rectification circuit unit 32 connects transferred arc circuit unit 33, and transferred arc circuit unit 33 connects the 3rd electronic switch unit 34 and transferred arc mother metal 35 respectively.No. one time rectification circuit unit 21 is also associated with low-voltage power supply circuit unit 31, and the outfan of this low-voltage power supply circuit unit 31 is connected with write integrated circuit control unit 29 and inverter circuit unit 23 respectively.Wherein, a rectification circuit unit 21 is two/three-phase bridge rectification circuit unit.
The master chip used in write integrated circuit control unit 29 is as shown in Figure 4; the 1 of this master chip, 2 feet are chip power supply; 3 foot control left and right plate Thermal protection; 4 foot control systems cut welding gun Thermal protection; 5,6 foot output ± 5V voltage, 7,8 foot output ± 12V voltages, 9,10 foot output ± 22V voltages; 11 feet control for cutting the output of welding gun electric current, and 12 feet are mini-fan speed regulating control.
Owing to portable water-vapor plasma cutting welder of the present utility model in use can produce the high temperature of more than 10000 °, for ensureing that it normally uses, its shell 5 cutting welding gun uses resistant to elevated temperatures PC material to make, electric heating water tank uses rustless steel to make, other built-in functional part many employings red copper and pyrite are made, it is ensured that its good electrical property.
During work, water seals cap 2 by water filling and injects in water supply tank 1 and electric heating water tank 13, after switching on power, press the activation button 3 cut on welding torch casing 5, activation button 3 promotes cathode rod 12 to move ahead, so that the tungsten cathode rod 8 being positioned at tip, cathode rod 12 front end contacts the starting the arc with anode cap, after startup, decontrol rapidly activation button 3;Water forms steam in electric heating water tank 13, steam enters in the ionization chamber between anode cap 7 and cathode rod 12, under arcing, becomes plasma by a part of steam of ion generator 6, high-pressure steam is wrapped in electric arc and sprays from the nozzle of anode cap 7, plasma-arc internal flame temperature now is up to more than 10000 DEG C, and heat and energy density are big, hot-zone high concentration, penetration capacity is strong, arc stiffness is high, and joint-cutting is relatively thin, and the diffusion angle of arc is only about 3 degree.
Described host circuit and control and protection circuit are made up of secondary rectification circuit unit, control circuit unit, protection circuit unit, electrical switch, inverter circuit unit; connection control circuit unit, protection circuit unit, inverter circuit unit after the output of external power supply rectified circuit unit full-bridge rectification; inverter circuit cuts soldering set by exporting to connect respectively after secondary rectification; electrical switch controls startup and the cut out of inverter circuit; control circuit controls electrical switch, protection circuit monitoring host computer and cut the running status of soldering set.
As shown in Figure 3, for reducing volume and weight, electric power host control circuit uses inversion form, and wherein inverter uses 4 power tube IRG4PC40UD, operating current stepping is adjustable 3A~12A, floating voltage 430V, two groups of rectifier power source series connection of inverter, if using untransferable arc, only by single loop circuit, if using transferred arc and untransferable arc and depositing, then two groups of circuit connected in series are needed to use.No. one time rectification circuit unit 21 accesses power supply, power supply can be the three-phase power voltage of 380 volts, can also be 220 volts of line voltages, by three phase full bridge rectification, through by the full-bridge inverting of Q1~Q4, transformator L1 exports the high frequency voltage of two groups of 25KHZ, respectively as cutting and the working power of welding after rectification.
Control circuit is given current signal by W8, compares with current feedback signal, then deliver to pulse width modulator IC18 chip through two grades of amplifiers IC19 and IC20 after being amplified by operational amplifier IC22 and IC21 after amplifier IC13 and IC12 are amplified.Sent two groups of signals by IC18 and carry out shaping and drive amplification unit IC15 and IC14 respectively through IC17, d type flip flop IC15 and IC14, control the inversion of Q1~Q4, it is ensured that two groups of high-frequency tubes are opened simultaneously, closed simultaneously.One group of phase-constant output of PWM IC18, makes Q10 turn on through IC16 output negative level, drives optocoupler TLP1, the output of amplifier IC7 to make Q16 turn on.One group of high frequency voltage 3 of inverter bridge output, 4 export DC voltage by cathode output end 28 and cathode output end 26 after over commutation, cut welding gun and get final product work, now work capacity is less, weldering light material and non-conducting material can be cut, energy to be made strengthens, the two groups of voltages making inverter work simultaneously, potentiometer W7 can be opened, open second group of rectifier bridge 1, 2 connect workpiece, now two groups of voltages are series connection, two groups of loop superposition work, now cut soldering set energy bigger, the conductive material that weldering is thicker can be cut, if the water cutting soldering set makes to be finished, the protection circuit cutting soldering set works, now KB1 monitors and cuts the rising of soldering set temperature, Q16 automatically shuts down, D5 flashes signal simultaneously, operating personnel now needs to shut down cooling and cuts soldering set, start shooting again after rejoining water work.If main frame works long hours, the temperature of Q1-Q4 is too high, the attemperating unit being contained on Q1-Q4 plays monitoring effect, if temperature in chassis is more than 80 DEG C, temperature sensor makes Q16 automatically shut down, and D5 sends red signal light simultaneously, and main frame is automatically stopped work, operating personnel now needs to quit work, and is again turned on being operated after red signal light disappears;Use write integrated circuit (CPU), can accurately control each output and control voltage, greatly improving the stability of the machine, the integrated process of power device, the double raising of output, significantly expand the purposes of this product.
Portable water-vapor plasma cutting welder of the present utility model is a kind of novel superhigh temperature point source generation equipment, it is characterized in that a water is cut after weldering robs heating, ionization, high-speed cruising at interior plasma, form steam and high-temperature electric arc, high temperature point source is produced using steam as the ion source of the gas of plasma-arc, arc flame central temperature is up to more than 10000 DEG C, and penetration capacity is extremely strong.This equipment input power 3.5KW, can cut 1mm-16mm thick carbon steel, rustless steel and aluminium sheet, the carbon steel of welding 1mm~12mm thickness and aluminium sheet.Cut weldering at plasma and rob interior injection 100mL water and rehydration case automatic water supplement 100mL, once can work 25 minutes;Electric power host uses inversion form, and it can use the three-phase power voltage alternating current power supply of 380 volts, it is possible to use 220 volts of line voltage alternating current power supplys;The auxiliary equipment such as gas cylinder and compressed air is need not during work, thus there is the advantage that volume is little, lightweight, carry conveniently moving, form steam after arc burning, absorb part flue dust and tiny splash, flue dust will not be produced when cutting weldering, be a kind of environment-friendly type cut soldering equipment;The machine maximum feature is to use double loop design, can cut and welds, both can cut welding metal material, can cut again weldering, machining of non-metallic material.
Have employed above-mentioned portable water-vapor plasma cutting welder, common tap water can be cut in weldering is robbed at plasma due to it and be heated into steam, using steam as the ion source of the gas of plasma-arc, its beam-plasma temperature produced is up to more than 10000 DEG C, heat and energy density are big, hot-zone high concentration, penetration capacity is strong, arc stiffness is high, joint-cutting is thinner, the diffusion angle of arc is only about 3 degree, cut weldering flame to concentrate, it is thus possible to realize cutting weldering one, and when working, need not gas cylinder, the optional equipments such as compressor, flue dust will not be produced when cutting weldering, safety environment protecting energy saving, with tap water as medium, use cost is low;Non-environmental-pollution;Use write integrated circuit, can accurately control each output and control voltage, greatly improve the stability of the machine, the integrated process of power device, the double raising of output, significantly expands the purposes of this product, has volume little, lightweight, easy to carry, power is big, and safety environment protecting energy saving can be used for high-temperature heating, high temperature surface processes, high temp glass seals, medical high temperature sterilization and kill sick cell, and stones and ceramics is carved, glass-cutting, repairing ceramic crack, metal material cutting and welding, the scope of application is the most extensive.

Claims (6)

1. a portable water-vapor plasma cutting welder, including cutting welding gun and control circuit, it is characterised in that described in cut welding gun Including shell and the electric heating water tank that is installed in shell, it is provided with in the front end of described shell and exports, with electric heating water tank, the sun being connected Pole sleeve pipe, the front port at this anode sleeve pipe is provided with anode cap, is provided with nozzle at the center of this anode cap, in anode sleeve pipe Cation generator it is provided with between electric heating water tank and anode cap;The insulation front and back extended it is provided with in described electric heating water tank Quartz glass tube, is coated with, in this insulation quartz glass tube, the cathode rod front and back moved back and forth, and the front end of this cathode rod passes institute State cation generator, be installed with between cathode rod and anode cap and the ionization chamber of described electric heating water tank outlet, and Cathode rod stretches into the tip, front end of this ionization chamber and fixes and be embedded with the tungsten cathode rod being arranged concentrically with described nozzle, after this cathode rod End sealing slides through the sealing member arranged on water tank and is in transmission connection with the activation button being located on shell;Described control circuit includes A rectification circuit unit being sequentially connected in series, the first electronic switch unit, inverter circuit unit, the first secondary rectification circuit unit And untransferable arc circuit unit, described untransferable arc circuit unit is connected cathode output end and is connected by the second electronic switch unit Connecing cathode output end, a described rectification circuit unit is also associated with for controlling first, second electronic switch unit break-make Write integrated circuit control unit, this write integrated circuit control unit has been also respectively connected with cuts welding gun operation shape for monitoring First protection circuit unit of state and the second protection circuit unit, the second protection circuit unit and the second electronic switch unit connect.
Portable water-vapor plasma cutting welder the most according to claim 1, it is characterised in that portion is also on the housing Being provided with water supply tank, this water supply tank is internal to be connected inside described electric heating water tank, is provided with water filling and seals on this water supply tank Cap.
Portable water-vapor plasma cutting welder the most according to claim 1, it is characterised in that described anode cap is for cutting Cutting anode cap or welding anode cap, the nozzle bore of described cutting anode cap is 0.8mm~1.3mm, the spray of described welding anode cap Nozzle aperture footpath is 1.6mm~3.0mm.
4. according to the portable water-vapor plasma cutting welder described in claim 1 or 2 or 3, it is characterised in that described One secondary rectification circuit unit is also associated with the second secondary rectification circuit unit, and this second secondary rectification circuit unit connects transfer Arc circuit unit, transferred arc circuit unit connects the 3rd electronic switch unit and transferred arc mother metal respectively.
5. according to the portable water-vapor plasma cutting welder described in claim 1 or 2 or 3, it is characterised in that described one Secondary rectification circuit unit is two/three-phase bridge rectification circuit unit.
6. according to the portable water-vapor plasma cutting welder described in claim 1 or 2 or 3, it is characterised in that described one Secondary rectification circuit unit is also associated with low-voltage power supply circuit unit, this low-voltage power supply circuit unit electricity integrated with said write formula respectively Road control unit and inverter circuit unit connect.
CN201620084874.4U 2016-01-19 2016-01-19 Portable water vapour plasma cutting and welding machine Expired - Fee Related CN205464761U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620084874.4U CN205464761U (en) 2016-01-19 2016-01-19 Portable water vapour plasma cutting and welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620084874.4U CN205464761U (en) 2016-01-19 2016-01-19 Portable water vapour plasma cutting and welding machine

Publications (1)

Publication Number Publication Date
CN205464761U true CN205464761U (en) 2016-08-17

Family

ID=56619009

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620084874.4U Expired - Fee Related CN205464761U (en) 2016-01-19 2016-01-19 Portable water vapour plasma cutting and welding machine

Country Status (1)

Country Link
CN (1) CN205464761U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109587922A (en) * 2018-12-11 2019-04-05 新奥科技发展有限公司 A kind of plasma water torch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109587922A (en) * 2018-12-11 2019-04-05 新奥科技发展有限公司 A kind of plasma water torch

Similar Documents

Publication Publication Date Title
CN203378130U (en) Anode of supersonic speed plasma spray gun and supersonic speed plasma spray gun
SE7700246L (en) FIT WELDING DEVICE USING A PLASMA BAG
CN103269558A (en) Anode of supersonic plasma torch, and supersonic plasma torch
CN102773596A (en) Narrow gap double-wire welding gun
CN201120521Y (en) Portable water vapour plasma cutting and welding machine
CN205464761U (en) Portable water vapour plasma cutting and welding machine
CN104384693A (en) Integrated hand-held plasma cladding equipment
CN202169433U (en) Portable oxyhydrogen generator
CN109714850A (en) It is a kind of for generating the high efficiency method of clean high temperature air
WO2013178028A1 (en) Hand arc welding device applying pulse current and welding method thereof
CN201783749U (en) Maintainable portable steam plasma welding and cutting machine
CN102794555B (en) A kind of automatic welding machine
CN205546172U (en) Novel double anode plasma torch
CN2535179Y (en) Steam plasma cutting-welding machine
CN204195048U (en) Integration hand-held plasma melting coating equipment
CN206464682U (en) A kind of plasma cutting welder that can synchronously cool during cutting
CN201664815U (en) Ten thousand ultrahigh temperature point source generator
CN207205514U (en) A kind of twin voltage manual arc welder
CN201217123Y (en) Air-cooled argon arc welding gun
CN202199914U (en) Uninterrupted vehicle for point source generator
CN207026719U (en) A kind of seam welder
CN207824152U (en) A kind of double air valve plasma digital control cutting machines
CN204975587U (en) Portable high -power electric spark machine
CN208262073U (en) A kind of spin-welding process ancillary equipment
CN204779325U (en) Plasma flame sprays ampoule closing device

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: 20160817

Termination date: 20170119