Robot hand useful for a robot for radiating a laser beam for processing a workpiece, comprises a hand axis through which the laser beam is guided, a laser discharge area, and a movable and/or linearly movable guiding arm

摘要

The robot hand comprises a hand axis (3) through which a laser beam (1) is guided, and a laser discharge area. On the robot hand, a movable and/or linearly movable guiding arm (5) is equipped with a passage area for the laser beam. The guiding arm is movable above the laser discharge area in such a way that the laser beam steps through the passage area and the process gas is guided through a channel in the guiding arm at a place of the workpiece to be processed by the laser beam. The guiding arm for other processing mode of the laser discharge area is separated. The robot hand comprises a hand axis (3) through which a laser beam (1) is guided, and a laser discharge area. On the robot hand, a movable and/or linearly movable guiding arm (5) is equipped with a passage area for the laser beam. The guiding arm is movable above the laser discharge area in such a way that the laser beam steps through the passage area and the process gas is guided through a channel in the guiding arm at a place of the workpiece to be processed by the laser beam. The guiding arm for other processing mode of the laser discharge area is separated. A free area (12) with a predetermined interval (11) is intended between the laser discharge area and the passage area of the laser beam in the guiding arm. The process gas is air and/or nitrogen. The passage area in the guiding arm is equipped at a side turned away the workpiece with an inlet area that is laser beam permeable, still the process gas discharge hinders. The inlet area is formed as a workpiece migrator against process gas discharge in closed ring-shaped area as process gas pipeline. The passage area of the laser beam is partially surrounded by the ring-shaped opening. A scanner area is integratedly arranged in and/or on the robot hand so that the laser beam is moved by a scanner in the scanner area through the laser discharge area on the workpiece. The guiding arm is arranged with a pivoting joint at the robot hand in the scanner area. The laser discharge area is equipped with a ring-shaped discharge area for the laser beam and/or a ring-shaped discharge area surrounding the laser beam for the process gas. An independent claim is included for a method for operating a robot hand with a laser beam for processing a workpiece.