| 摘要 |
PROBLEM TO BE SOLVED: To provide the device capable of removing spatters in the nozzle hole easily and surely without damaging the nozzle. SOLUTION: The cleaning device 1, which cleans the nozzle hole of a tapered laser cutting nozzle 3 movable in the axis line C1 direction, is provided with a base 6 and a movable part 7 which is freely movable against the base 6 within a plane practically vertical to the axis line C1 of the nozzle 3. The movable part 7 is equipped with a hole 25 into which the nozzle 3 is fitted, and is also equipped, in at least a part of the circumferential wall of this hole 25, with a guide 20 for holding the nozzle 3 at a prescribed position and with a cleaning mechanism having a cleaning member 38, which has the center axis line C3 positioned on the axis line C2 of the hole 25 of the guide 20 and which has a tip end with a diameter smaller than the opening of the nozzle hole. The guide 20 is designed to have capability of coming close, along the axial direction C2, to the cleaning member 38 of the cleaning mechanism. |
