WELDING TORCH AND ARC WELDING DEVICE USING SAME

• Main Authors: OOSAKI NORIKAZU, TABATA YOSHIYUKI, SHIBAGAKI RYUNOSUKE, SAMIZO MASASHI
• Format: Patent
• Language: Chinese; English
• Published: 19.03.2021
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

A welding torch 10 is provided with: a torch body 12 connected to a torch handle 11; a nozzle 14 connected to the torch body 12 and comprising an insulating material; a torch cap 13 connected to the torch body 12 on the side opposite the nozzle; and a tungsten electrode 15 that is housed within the welding torch 10 and that generates an arc between the tungsten electrode 15 and a workpiece 200 asa result of being supplied with prescribed power from a power source 40. This welding torch 10 is further provided with a connection component 19 that electrically connects: an earth terminal 41 of the power source 40a; and conductive ring 16 that is attached to the outer periphery of the nozzle 14 so as to be in contact therewith. 焊炬(10)具备：焊炬主体(12)，与焊炬手柄(11)连接；喷嘴(14)，与焊炬主体(12)连接，包含绝缘性材料；焊炬帽(13)，与相对于焊炬主体(12)而与喷嘴相反的一侧连接；和钨电极(15)，容纳于焊炬(10)的内部，通过从电源(40)提供规定的电力而在与工件(200)之间产生电弧。焊炬(10)还具备：导电环(16)，与喷嘴(14)的外周相接而安装；和连接部件(19)，用于与电源(40)的接地端子(41)电连接。