| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning device for a plasma torch which removes a spatter stuck on the inner part of a gas passage. SOLUTION: The cleaning device 50 for a plasma torch, in which a plasma torch 30 for pressurized type plasma welding equipment is separable into the main body 32 of the torch and a pressurizing pad 34, is provided with a cleaning drill 70 furnished with upper and lower cleaning parts and located between the separated main body 32 of the torch and the pressurizing pad 34, cleaning brushes 82 and 83 located at a lower part of the pressurizing pad 34, a rotary driving means 61 which rotates the cleaning drill 70, a vertical driving means 56 which moves the cleaning drill 70 together with the rotary driving means 61 in the up and down directions, and a brush driving means 81 which operates the cleaning brushes 82 and 83. The cleaning drill 70 cleans the inside of the gas passage at the tip part of the main body 32 of the torch located at the upper position and the upper part of the inner periphery of the pressurizing pad 34 located at the lower position by moving in the up and down directions, and the cleaning brushes 82 and 83 clean the lower part of the pressurizing pad 34.
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