Patent ID: 7173213

Claim:
A torch cable disposition structure for an arc-welding robot, comprising: a forearm base; a forearm including a first wrist element; a second wrist element; and a welding torch, wherein the first wrist element is rotatably provided around a first axis line along a longitudinal direction of the forearm, on the front end of the forearm base, the second wrist element is rotatably provided around a second axis line that crosses the first axis line approximately perpendicularly, on the first wrist element, the welding torch is rotatably provided around a third axis line that is approximately perpendicular to the second axis line and is away from the first axis line with a predetermined distance, on the second wrist element, a welding wire is supplied to the welding torch using a torch cable, the torch cable is disposed from a wire feeder provided at a position other than the forearm, toward the welding torch via an intermediate fitting section provided on the forearm base, and an intermediate part of the torch cable is fitted to the intermediate fitting section via a sliding mechanism reciprocally movable along a direction approximately parallel with the first axis line; wherein a flexible guide plate is fitted to the second wrist element, a piercing guide member through which the torch cable is guided, is provided on an end of the flexible guide plate.