WO2016204332A1 - 수랭식 플라즈마 토치 - Google Patents
수랭식 플라즈마 토치 Download PDFInfo
- Publication number
- WO2016204332A1 WO2016204332A1 PCT/KR2015/006865 KR2015006865W WO2016204332A1 WO 2016204332 A1 WO2016204332 A1 WO 2016204332A1 KR 2015006865 W KR2015006865 W KR 2015006865W WO 2016204332 A1 WO2016204332 A1 WO 2016204332A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coupled
- nozzle
- flow path
- cooling water
- passage
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/28—Cooling arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3436—Hollow cathodes with internal coolant flow
Definitions
- the present invention relates to a water-cooled plasma torch, and more specifically, the structure of the torch is simple, and the speed of the high temperature plasma flame direction can be increased, the cooling efficiency is improved, and the nozzle and the electrode can be used for a long time, It relates to a water-cooled plasma torch that can be applied.
- Conventional plasma cutting method is Japanese Patent Application Laid-Open No. 3-27309.
- the configuration of the plasma torch is briefly described.
- An electrode is mounted at the center of the plasma torch, and a plasma arc is sprayed at the center of the plasma torch.
- a nozzle which is provided with a jet port and detachably attached to the plasma torch is arranged.
- the nozzle is fixed by fastening the cap to the plasma torch, and a passage through which the coolant flows is formed between the outer peripheral surface of the nozzle and the inner peripheral surface of the cap.
- water passages for cooling the electrodes and the nozzles are formed on the plasma torch side, and these supply passages and drainage passages are opened in the passages formed between the nozzles and the caps.
- the cooling water supplied to the plasma torch is supplied to a passage formed between the cap and the nozzle after cooling the electrode in contact with the back side of the electrode, and then cooling the nozzle in the course of passing through the passage. Drained to the outside of the plasma torch.
- the electrode and nozzle are cooled by the coolant and excessive heating by the heat of the plasma arc is prevented.
- the plasma arc formed according to the energization between the electrode and the material to be cut can be compressed while being cooled as it passes through the ejection opening of the nozzle to melt the material to be cut and to remove the melt.
- Plasma cutting has a problem in that the cutting width is larger than the gas cutting although the cutting speed is high.
- narrowing a cutting width is performed by narrowly compressing a plasma arc.
- the present invention is to solve the above problems, the structure of the torch is simple, but can increase the speed of the high temperature plasma flame direction, the cooling efficiency is improved, the nozzle and electrode can be used for a long time and high voltage is applied It is an object to provide a water-cooled plasma torch that can be.
- the body and the inlet flow path of the gas and air, the inlet and outlet flow path of the cooling water therein, and the inlet flow path of the cooling water in the center of the body A first body having a first diameter portion protruding to be connected to the first body, a first diameter portion protruding from the first diameter portion at an equal distance from the first diameter portion, and a first diameter coupled to one end of the first body.
- a cooling water tube for supplying to the electrode and inserted into and coupled to an end of the second body, and a first cooling water flow path is formed therein, and is equally spaced from the first cooling water flow path.
- a third body having an insulator provided with a first air flow path, a second cooling water flow passage coupled to an end of the insulator, and connected to the first cooling water flow passage therein, the first body, the second main body, and A pilot terminal which is grounded to a predetermined position of the third body through the insulator, and one side central portion is inserted into the end of the third body, the outer inner peripheral surface is coupled to the first screw portion formed on the outer peripheral surface of the third body, the inside Is coupled to a second threaded portion formed on an outer circumferential surface of the insulator such that the nozzle has a third coolant flow passage connected to the second coolant flow passage, and the nozzle is located therein, the first air being connected between the inner circumferential surface and the outer circumferential surface of the nozzle.
- the other side of the first body is coupled to the connecting member, the connecting member is coupled to the other side of the first body, the first tube is formed with a cooling water supply passage connected to the cooling water flow path therein, and the first pipe
- a second tube coupled to the first tube, an insulated tube coupled to an outer circumferential surface of the second tube, and a central portion coupled to an end of the first tube to form a main gas passage connected to a gas inflow passage outside the center of the first tube;
- a hollow is formed in the communication with the cooling water supply flow path, the predetermined position is formed in the connection pipe is provided with a gas supply pipe connected to the main gas flow path, the end of any one of both ends of the second pipe is the outer peripheral surface of the connection pipe It is characterized in that it is grounded at a predetermined position.
- a welding cable is coupled to an end of the connecting pipe member, and the welding cable is coupled to a bare copper wire, a braided hose positioned at a predetermined interval on the outer peripheral surface of the bare copper wire to form a cooling water supply passage, and coupled to an outer peripheral surface of the braided hose.
- connection pipe is provided with a connection cable having one end coupled to a predetermined position on the outer circumferential surface of the connection pipe and the other end coupled to the pilot terminal, and a switch is installed at a predetermined position in the longitudinal direction of the connection cable.
- the nozzle has a first nozzle having a pair of 'T'-shaped grooves symmetrically spaced apart at equal distances along the circumferential direction on the outer circumferential surface thereof, and the inner circumferential surface and the pair of' T'-shaped coupled to the first nozzle.
- a second nozzle having a third through-hole formed between the grooves, and having a plurality of through holes connecting the second coolant flow path and the third coolant flow path along a circumferential direction at a predetermined position in a height direction;
- a third nozzle coupled to an end of the nozzle to form a third air flow path connected between the inner surface and the outer surface of the second nozzle to be connected to the second air flow path, and the third nozzle being an end of the second nozzle; It is inserted into the second nozzle so as to be fixed to one side, characterized in that consisting of a nozzle cap coupled to the inner peripheral surface of the first screw portion.
- the structure of the torch is simple, but the speed of the high temperature plasma flame direction can be increased, the cooling efficiency is improved, the nozzle and the electrode can be used for a long time, and the effect of applying a high voltage can be obtained. have.
- FIG. 1 is a cross-sectional view of a water-cooled plasma torch in accordance with one embodiment of the present invention.
- Figure 2 is an exploded perspective view of a water-cooled plasma torch according to an embodiment of the present invention.
- Figure 3 is an exploded cross-sectional view of the water-repellent plasma torch in accordance with an embodiment of the present invention.
- FIG. 4 is a view for explaining the flow of cooling water in a water-cooled plasma torch according to an embodiment of the present invention.
- FIG. 5 is a view for explaining the flow in the water-cooled plasma torch according to an embodiment of the present invention.
- Figure 6a is a view for explaining the flow of gas in the water-cooled plasma torch according to an embodiment of the present invention.
- FIG. 6B is a diagram showing the flow of gas in the first gas passage and the second gas passage shown in FIG. 6A;
- FIG. 7 is a partially enlarged cross-sectional view of the connecting cable shown in FIG. 1.
- FIG. 8 is a cross-sectional view taken along lines I-I and II-II shown in FIG. 7;
- Second body 184 Second nozzle
- Electrode material 186a 132; Electrode material 186a; 3rd air flow path
- FIG. 1 is a cross-sectional view of a water-cooled plasma torch according to an embodiment of the present invention
- Figure 2 is an exploded perspective view of a water-cooled plasma torch according to an embodiment of the present invention
- Figure 3 is a water-repellent plasma torch according to an embodiment of the present invention
- Figure 4 is an exploded cross-sectional view of
- Figure 4 is a view for explaining the flow of cooling water in the water-cooled plasma torch according to an embodiment of the present invention
- Figure 5 is a view for explaining the flow in the water-cooled plasma torch according to an embodiment of the present invention
- 6 is a view for explaining the flow of gas in the water-cooled plasma torch according to an embodiment of the present invention
- FIG. 8 is a cross-sectional view of the II and II-II lines shown in FIG.
- the water-cooled plasma torch 100 includes a first body 110, a second body 120, an electrode 130, a coolant tube 140, and an insulator. 150, a third body 160, a pilot terminal 170, a nozzle 180, an inner cap 190, and an outer cap 200.
- the first body 110 has a body 112 in which gas and air inflow passages 112a and 112b, coolant inlet and outlet passages 112c and 112d are formed therein, and a coolant inflow to the center of the body 110.
- the first diameter part 114 protruded to be connected to the flow path 112c and the second diameter part 116 protruded to the body 110 at an equidistant distance from the first diameter part 114.
- first and second cooling water circulation pipes 117 are symmetrically spaced apart at equal distances from the edge of the first body 110 along the circumferential direction.
- a pair of air discharge pipes 119 are installed between the first and second cooling water circulation pipes 117 and 118 so as to be connected to the air inflow passage 112b.
- the other side of the first body 110 is coupled to the connector member 210
- the connector member 210 is coupled to the other side of the first body 110, the cooling water inlet flow path 112c and The first pipe 212 formed with the cooling water supply flow path 212a connected thereto, and the first pipe 212 formed with the main gas flow path 214a connected to the gas inflow flow path 112a outside the first pipe 212.
- a communicating hollow 218a is formed, and a predetermined position is formed at the edge of the connecting pipe 218 where a gas supply pipe 218b connected to the main gas flow path 214a is obtained.
- one end of both ends of the second tube 214 is preferably grounded at a predetermined position on the outer circumferential surface of the connection pipe 218, which is connected to the connection pipe through the bare wire 232 of the connection cable 220 to be described later
- the first tube 212 and the second tube 214 are caused to be supplied together with the second tube 214 when a negative current, which is the main current supplied to the 218, is supplied to the first tube 212. This is to allow the negative current to flow in parallel in the same direction.
- connection pipe 218 is provided with a connection cable 220, one end of which is coupled to a predetermined position on the outer circumferential surface of the connection pipe 218, the other end of which is coupled to the pilot terminal 170, the longitudinal direction of the connection cable 220
- the switch 222 is preferably installed at a predetermined position, which is supplied to the nozzle body 180 by supplying a negative current, which is a current seen by the operator through the pilot terminal 170, to the third body 160.
- a negative current which is a current seen by the operator through the pilot terminal 170
- the negative current which is the current seen through the pilot terminal 170
- the negative electrode is supplied to the electrode 130 and the nozzle 180.
- the current of flows in parallel in the same direction, and as a result, a magnetic field is generated by the two currents flowing in the electrode 130 and the nozzle 180, so that a force generated between the two magnetic fields is generated in the second gas flow path.
- the movement speed of the gas generated toward 180b and passing through the second gas flow path 180b is increased.
- the welding cable 230 is coupled to the end of the connector member 210, the welding cable 230 is a bare copper wire 232 for supplying a negative (-) current to the connector member 210, and a bare copper wire ( A braided hose 233 positioned on the outer circumferential surface of the 232 at a predetermined interval to form a cooling water supply passage 233a, a copper tape 234 coupled to the outer circumferential surface of the braided hose 233, and a copper tape 234.
- An outer sheath hose 235 and a portion of the outer circumferential surface of the braided hose 233 are respectively inserted at both ends of the braided hose 233, and a pair of connectors 236 coupled to both ends of the bare wire 232;
- the socket 237 is provided at the end of the connector 236.
- one end of the copper tape 234 is preferably grounded with any one of the pair of connector 236.
- a copper wire may be braided and coupled to the outer circumferential surface of the braided hose 233.
- the second main body 120 is coupled to the outer circumferential surface of the second diameter portion 116 and is connected to the gas inflow passage 112a outside the first diameter portion 114 and the second diameter portion 116. And form 122.
- the gas supplied to the first gas flow path 122 through the gas inflow flow path 112a passes through the first gas flow path 122 to increase the moving speed.
- a negative current which is a current that is supplied to the first body 110 through the connector member 210 and then supplied to the electrode 130 to be described later, is parallel to the second body 120 in the same direction. Since the magnetic field is generated by two currents flowing in the first main body 110 and the second main body 120, a force generated between the two magnetic fields is directed toward the first gas flow path 122. Since it is generated, the moving speed of the gas passing through the first gas flow passage 122 is increased.
- the electrode 130 is detachably coupled to the end of the first diameter part 114 to surround the coolant tube 140 to be described later to block the outflow of the coolant and through the first body 110 and the second body 120.
- Plasma flame is generated between the base material (not shown) supplied with a positive current supplied with a negative current, and a hot emitting material (for example, hafnium or zirconium) is formed at the center of the tip portion.
- Phosphorous electrode material 132 is provided.
- the coolant tube 140 is inserted into the center of the first body 110 to supply the coolant supplied through the coolant inflow flow path 112c to the electrode 130.
- the coolant tube 140 inserted into the center of the first body 110 forms a coolant circulation flow path 142 between its outer circumferential surface, the first diameter portion 114, and the inner circumferential surface of the electrode 130, thereby providing a coolant inflow path.
- the coolant supplied to the electrode 130 through 112c is supplied to the first coolant circulation pipe 117.
- the insulator 150 is inserted into and coupled to an end of the second main body 120, and therein, a first cooling water flow passage 152 connected to the first and second cooling water circulation pipes 117 and 118, and a first cooling water flow passage (
- a first air flow path 154 is formed to be spaced equidistant from the 152 and connected to the pair of air discharge pipes 119 described above.
- the third body 160 is coupled to an end of the insulator 150 and has a second cooling water flow passage 162 connected therein to be connected to the first cooling water flow passage 152.
- the pilot terminal 170 supplies a pilot current to the nozzle 180 to generate the first plasma flame between the electrode 130 and the nozzle 180.
- the first body 110 and the second body 120 are provided. And a ground at a predetermined position of the third body 160 through the insulator 150.
- the nozzle 180 has one side central portion inserted into an end portion of the third main body 160, and an outer inner circumferential surface thereof is coupled to the first threaded portion 164 formed on the outer circumferential surface of the third main body 160.
- a third cooling water flow path 180a connected to the 162 is formed.
- the nozzle 180 forms a second gas flow path 180b between the inner circumferential surface and the outer circumferential surface of the electrode 130.
- the nozzle 180 is coupled to the first nozzle 182 and the first nozzle 182 having a pair of 'T'-shaped grooves 182a formed on the outer circumferential surface of the outer circumferentially and symmetrically spaced apart from each other.
- the third cooling water flow path 180a is formed between the inner circumferential surface and the pair of 'T'-shaped grooves 182a, and the second cooling water flow path 162 and the third cooling water flow path 180a are formed at a predetermined position in the height direction.
- a plurality of through holes 184a to be connected are coupled to an end of the second nozzle 184 formed along the circumferential direction, and the inner surface of the second nozzle 184 and the outer surface of the second nozzle 184 will be described later.
- the third nozzle 186 forming the third air flow path 186a connected to the second air flow path 192, and the second nozzle so that the third nozzle 186 is fixed to the end of the second nozzle 184.
- the nozzle cap 188 is inserted into the 184 and one side inner peripheral surface is coupled to the first screw portion 164.
- the inner cap 190 is coupled to the second threaded portion 156 formed on the outer circumferential surface of the insulator 150 so that the nozzle 180 is located therein, and the first air flow path 154 between the inner circumferential surface and the outer circumferential surface of the nozzle cap 188.
- the second air passage 192 is connected to the ().
- the outer surface of the inner cap 190 is coupled to the outer cap 200 made of an insulating material.
- FIG. 4 is a view for explaining the flow of cooling water in the water-cooled plasma torch according to an embodiment of the present invention.
- the cooling water supplied through the cooling water supply passage 233a of the welding cable 230 passes through the hollow 218a and the cooling water supply passage 212a of the connection member 210, and then the first body. It is supplied to the cooling water inflow flow path 112c of the 110.
- the coolant supplied to the coolant inflow passage 112c is supplied to the electrode 130 along the inside of the coolant tube 140 to cool the electrode 130, and to cool the electrode 130, and then to the outer circumferential surface of the coolant tube 140.
- the first coolant circulation pipe 117 through the coolant circulation flow path 142 formed between the first diameter portion 114 and the inner circumferential surface of the electrode 130.
- the coolant moved to the first coolant circulation pipe 117 sequentially passes through the first coolant flow passage 152 and the second coolant flow passage 152 formed to be interconnected inside the insulator 150 and the third body 160. Then, after being supplied to the third cooling water flow path 180a formed in the nozzle 180, the nozzle 180 is cooled while circulating inside the nozzle 180a along the third cooling water flow path 180a.
- the cooling water supplied to the inside of the third cooling water flow path 180a to cool the nozzle 180 is again connected to the inside of the insulator 150 and the third body 160 and the second cooling water flow path 152 and the second. After passing through the coolant flow path 152 and moved to the second coolant circulation pipe 117 and then to the coolant discharge flow path 112d formed in the first body 110, the coolant discharge pipe coupled to the coolant discharge flow path 112d ( Through 115).
- FIG. 5 is a view for explaining the flow of air in the water-cooled plasma torch according to an embodiment of the present invention.
- the air supplied to the air inflow flow path 112b is the first body ( The edge of the 110 is supplied to a pair of air discharge pipe 119 installed along the circumferential direction.
- the air supplied to the pair of air discharge pipes 119 is supplied to the first air flow path 154 formed inside the insulator 150, and is formed between the inner circumferential surface of the inner cap 190 and the outer circumferential surface of the nozzle 180. After passing through the second air flow path 192 and passing through the third air flow path 186a formed between the second nozzle 184 and the third nozzle 186, the discharge is performed.
- FIG. 6a and 6b are views for explaining the flow of gas in the water-cooled plasma torch according to an embodiment of the present invention
- Figure 6b is a flow of the gas in the first gas passage and the second gas passage shown in Figure 6a It is a figure which shows.
- the gas is supplied to the main gas flow path 214a through the gas supply pipe 218b provided in the connection pipe member 210.
- the gas supplied to the main gas flow path 214a is supplied to the gas inflow flow path 112a formed in the first body 110, and then the first gas formed in the first body 110 and the second body 120.
- the flow path 122 is supplied.
- the gas supplied to the first gas flow passage 122 passes through the second gas flow passage 180b formed between the inner circumferential surface of the nozzle 180 and the outer circumferential surface of the electrode 130, and then ends of the electrode 130 and the nozzle 180. Go to the space formed between the inner ends of the.
- a high-density gas body is formed by a potential difference in the gap between the electrode 130 and the nozzle 180, and this state is called a pilot arc beam (PLASMA).
- PLASMA pilot arc beam
- the high-density gas arc beam generated at this time is in a state of weak power because only a low current is energized through the resistance, and when the arc beam is transferred to a cutting object, a large current is shorted to cause instantaneous transfer of predetermined electron ions continuously. do.
- the plasma gas is discharged to the outside through the outer cap 200 toward the object to be cut.
- the present invention relates to a water-cooled plasma torch, and more specifically, the structure of the torch is simple, and the speed of the high temperature plasma flame direction can be increased, the cooling efficiency is improved, and the nozzle and the electrode can be used for a long time, It is available for water-cooled plasma torches that can be applied.
Abstract
Description
Claims (5)
- 내부에 가스와 에어의 유입 유로, 냉각수의 유입 및 배출 유로가 형성된 몸체와, 상기 몸체의 중심부에 상기 냉각수의 유입 유로와 연결되게 돌출 형성된 제1 직경부와, 상기 제1 직경부로부터 등 거리 이격되게 상기 몸체에 돌출 형성된 제2 직경부로 이루어진 제1 본체;상기 제1 본체에 일측 단부에 결합되어 상기 제1 직경부와 상기 제2 직경부의 외측에 상기 가스 유입 유로와 연결되는 제1 가스유로를 형성시키는 제2 본체;상기 제1 직경부의 단부에 결합되는 전극;상기 제1 본체의 중앙에 삽입되어 냉각수를 상기 전극으로 공급하는 냉각수 튜브;상기 제2 본체의 단부에 삽입 결합되고, 내부에 제1 냉각수 유로가 형성되고, 상기 제1 냉각수 유로로부터 등 거리 이격되게 제1 에어 유로가 구비된 절연체;상기 절연체의 단부에 결합되고, 내부에 상기 제1 냉각수 유로와 연결되는 제2 냉각수 유로가 형성된 제3 본체;상기 제1 본체, 제2 본체 및, 절연체를 관통하여 상기 제3 본체의 소정 위치에 접지되는 파이롯트 단자;일측 중심부가 상기 제3 본체의 단부에 삽입되고, 외측 내주면이 상기 제3 본체의 외주면에 형성된 제1 나사부에 결합되며, 내부에는 상기 제2 냉각수 유로와 연결되는 제3 냉각수 유로가 형성된 노즐;상기 노즐이 내부에 위치되도록 상기 절연체의 외주면에 형성된 제2 나사부에 결합되어 그 내주면과 상기 노즐의 외주면 사이에 상기 제1 에어 유로와 연결되는 제2 에어 유로를 형성시키는 내부캡; 및,상기 내부캡의 외부에 결합되는 외부캡;으로 이루어지는 것을 특징으로 하는 수랭식 플라즈마 토치.
- 청구항 1에 있어서,상기 제1 본체의 타측에는 연결관부재가 결합되되, 상기 연결관부재는 상기 제1 본체의 타측에 결합되고, 내부에 냉각수 유로와 연결되는 냉각수 공급 유로가 형성된 제1 관과, 상기 제1 관의 외부에 가스 유입 유로와 연결되는 메인 가스 유로가 형성되게 상기 제1 관에 결합되는 제2 관과, 상기 제2 관의 외주면에 결합되는 절연관과, 상기 제1 관의 단부에 결합되고 중심부에 냉각수 공급 유로와 연통되는 중공이 형성되고, 가장자리 소정 위치에는 메인 가스 유로와 연결되는 가스 공급관이 구비된 연결관으로 이루어지되,상기 제2 관의 양단부 중 어느 하나의 단부는 상기 연결관의 외주면 소정 위치에 접지되는 것을 특징으로 하는 수랭식 플라즈마 토치.
- 청구항 2에 있어서,상기 연결관부재의 단부에는 용접케이블이 결합되고, 상기 용접케이블은 나동선과, 상기 나동선의 외주면 상에 일정간격을 두고 위치되어 냉각수 공급통로를 형성하는 편조호스와, 상기 편조호스의 외주면에 결합되는 동테이프와, 상기 동테이프의 외주면에 위치되는 외피호스와, 외주면의 일부분이 상기 편조호스의 양단부에 각각 삽입되고, 각각의 단부가 상기 나동선의 양단부에 결합되는 한 쌍의 연결구와, 상기 연결구의 단부에 구비된 소켓으로 이루어지되,상기 동테이프의 어느 한쪽 단부는 상기 한 쌍의 연결구 중 어느 하나와 접지되는 것을 특징으로 하는 수랭식 플라즈마 토치.
- 청구항 2에 있어서,상기 연결관에는 일단이 상기 연결관의 외주면 소정 위치에 결합되고, 타단이 상기 파이롯트 단자에 결합되는 연결케이블이 구비되되, 상기 연결케이블의 길이방향 소정 위치에는 스위치가 설치되는 것을 특징으로 하는 수랭식 플라즈마 토치.
- 청구항 1에 있어서,상기 노즐은 외주면에 원주방향을 따라 등 거리 이격되어 상호 대칭되게 형성된 한 쌍의 'T'자형 홈이 형성된 제1 노즐과, 상기 제1 노즐에 결합되어 그 내주면과 상기 한 쌍의 'T'자형 홈의 사이에 상기 제3 냉각수 유로를 형성시키고, 높이 방향 소정 위치에는 상기 제2 냉각수 유로와 상기 제3 냉각수 유로를 연결시키는 복수개의 관통홀이 원주방향을 따라 형성된 제2 노즐과, 상기 제2 노즐의 단부에 결합되어 그 내측면과 상기 제2 노즐의 외측면 사이에 상기 제2 에어 유로와 연결되는 제3 에어 유로를 형성시키는 제3 노즐과, 상기 제3 노즐이 상기 제2 노즐의 단부에 고정되도록 상기 제2 노즐에 삽입되고, 일측 내주면이 상기 제1 나사부에 결합되는 노즐캡으로 이루어지는 것을 특징으로 하는 수랭식 플라즈마 토치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/576,677 US20180139832A1 (en) | 2015-06-16 | 2015-07-03 | Water-cooled plasma torch |
DE112015006630.6T DE112015006630T5 (de) | 2015-06-16 | 2015-07-03 | Wassergekühlter plasmabrenner |
CN201580000740.8A CN107000106A (zh) | 2015-06-16 | 2015-07-03 | 水冷式等离子体喷灯 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0084951 | 2015-06-16 | ||
KR1020150084951A KR101686540B1 (ko) | 2015-06-16 | 2015-06-16 | 수랭식 플라즈마 토치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016204332A1 true WO2016204332A1 (ko) | 2016-12-22 |
Family
ID=57546422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/006865 WO2016204332A1 (ko) | 2015-06-16 | 2015-07-03 | 수랭식 플라즈마 토치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180139832A1 (ko) |
KR (1) | KR101686540B1 (ko) |
CN (1) | CN107000106A (ko) |
DE (1) | DE112015006630T5 (ko) |
WO (1) | WO2016204332A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101772126B1 (ko) * | 2017-02-17 | 2017-08-28 | 하영근 | 용접용 토치어셈블리 |
KR101942019B1 (ko) | 2017-09-12 | 2019-01-24 | 황원규 | 플라즈마 토치 |
KR102526125B1 (ko) * | 2018-03-23 | 2023-04-27 | 고이께 산소 고교 가부시끼가이샤 | 노즐 커버, 가스 절단 화구 및 가스 절단 토치 |
KR102118026B1 (ko) * | 2018-10-29 | 2020-06-09 | 하영근 | 백비드 용접용 토치어셈블리 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0584579A (ja) * | 1991-02-28 | 1993-04-06 | Komatsu Ltd | 切断用プラズマトーチ |
JPH11285834A (ja) * | 1998-03-31 | 1999-10-19 | Komatsu Ltd | プラズマ溶接トーチ及びその部品 |
JPH11297492A (ja) * | 1998-04-06 | 1999-10-29 | Ishikawajima Harima Heavy Ind Co Ltd | プラズマトーチ |
JP2000334570A (ja) * | 1999-05-26 | 2000-12-05 | Komatsu Ltd | プラズマトーチ及びそのノズル |
US20060289398A1 (en) * | 2005-05-11 | 2006-12-28 | Hypertherm, Inc. | Generating discrete gas jets in plasma arc torch applications |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2591371Y2 (ja) * | 1993-02-24 | 1999-03-03 | 株式会社小松製作所 | プラズマアークトーチ |
CN2164941Y (zh) * | 1993-08-14 | 1994-05-18 | 中国科学院等离子体物理研究所 | 一种旋流冷却的大功率等离子体割炬 |
JP2689310B2 (ja) * | 1994-11-30 | 1997-12-10 | 株式会社小松製作所 | 切断用プラズマトーチ及びプラズマ切断方法 |
US6268583B1 (en) * | 1999-05-21 | 2001-07-31 | Komatsu Ltd. | Plasma torch of high cooling performance and components therefor |
BRPI0803088B1 (pt) * | 2007-02-09 | 2016-05-17 | Hypertherm Inc | bico e tampa de retenção para maçarico a arco de plasma; estrutura de esfriamento e vedação; estrutura de esfriamento convectivo; estrutura de alinhamento; sistema de maçarico a arco de plasma; método de esfriar e método de fabricar um componente de maçarico de plasma; bico e tampa de retençao de maçarico de corte a arco de plasma |
KR100967016B1 (ko) * | 2007-09-20 | 2010-06-30 | 주식회사 포스코 | 플라즈마 토치장치 및 플라즈마를 이용한 반광 처리방법 |
-
2015
- 2015-06-16 KR KR1020150084951A patent/KR101686540B1/ko active IP Right Grant
- 2015-07-03 CN CN201580000740.8A patent/CN107000106A/zh active Pending
- 2015-07-03 DE DE112015006630.6T patent/DE112015006630T5/de not_active Withdrawn
- 2015-07-03 WO PCT/KR2015/006865 patent/WO2016204332A1/ko active Application Filing
- 2015-07-03 US US15/576,677 patent/US20180139832A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0584579A (ja) * | 1991-02-28 | 1993-04-06 | Komatsu Ltd | 切断用プラズマトーチ |
JPH11285834A (ja) * | 1998-03-31 | 1999-10-19 | Komatsu Ltd | プラズマ溶接トーチ及びその部品 |
JPH11297492A (ja) * | 1998-04-06 | 1999-10-29 | Ishikawajima Harima Heavy Ind Co Ltd | プラズマトーチ |
JP2000334570A (ja) * | 1999-05-26 | 2000-12-05 | Komatsu Ltd | プラズマトーチ及びそのノズル |
US20060289398A1 (en) * | 2005-05-11 | 2006-12-28 | Hypertherm, Inc. | Generating discrete gas jets in plasma arc torch applications |
Also Published As
Publication number | Publication date |
---|---|
CN107000106A (zh) | 2017-08-01 |
US20180139832A1 (en) | 2018-05-17 |
KR101686540B1 (ko) | 2016-12-14 |
DE112015006630T5 (de) | 2018-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016204332A1 (ko) | 수랭식 플라즈마 토치 | |
US6346685B2 (en) | Plasma arc torch | |
KR100646915B1 (ko) | 플라즈마 토치용 노즐 | |
CA2104543C (en) | Plasma gun assembly | |
WO2018155895A1 (ko) | 전기차 충전용 케이블 | |
WO2016047891A1 (ko) | 가스절연 차단기 | |
CN108145294B (zh) | 一种大功率等离子焊枪 | |
BR112018002280B1 (pt) | Cartucho para tocha de arco de plasma arrefecido por líquido | |
CA1241704A (en) | Plasma torch | |
CN103222343A (zh) | 具有新颖组装方法和增强型传热的等离子体焊炬的电极 | |
KR20180061967A (ko) | 다중전극 플라즈마 토치 | |
WO2012091390A2 (en) | Dry coating apparatus | |
WO2012074296A2 (ko) | 고주파 열치료용 전극장치 | |
WO2016167439A1 (ko) | 유도 가열 장치용 코일 어셈블리 및 이를 포함하는 유도 가열 장치 | |
WO2016159447A1 (ko) | 플라즈마 토치 | |
WO2021172686A1 (ko) | 저전압 플라즈마 이오나이저 | |
US20210219412A1 (en) | Nozzles for liquid cooled plasma arc cutting torches with clocking-independent passages | |
ITBO20100492A1 (it) | Torcia monogas per il taglio al plasma. | |
WO2019054562A1 (ko) | 플라즈마 토치 | |
WO2016108568A1 (ko) | 플라즈마 처리장치 | |
WO2021172685A1 (ko) | 플라즈마 발생 유닛 및 플라즈마 처리 장치 | |
WO2018008844A1 (ko) | 자가발전형 이온 에어건 | |
CN219425905U (zh) | 一种双流道等离子切割枪 | |
WO2024106575A1 (ko) | 충전 케이블 | |
WO2024034704A1 (ko) | 차량용 충전 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15895719 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15576677 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112015006630 Country of ref document: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 02/05/2018) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15895719 Country of ref document: EP Kind code of ref document: A1 |