Patent ID: 8414247

Claim:
A method for reloading workpieces, comprising: providing a manipulator, the manipulator comprising a support arm, a connecting base connected to the support arm and at least three grasping assemblies arranged on a side surface of the connecting base; providing a plurality of original workpieces to be machined into machined workpieces on a plurality of machining positions; grasping each of the original workpieces by a different one of at least two grasping assemblies of the at least three grasping assemblies, with at least one grasping assembly being vacant; grasping one machined workpiece by the at least one vacant grasping assembly; rotating the connecting base so that the grasping assembly with the original workpiece is opposite to one machining position, and placing the original workpiece on the machining position by the grasping assembly; further rotating the connecting base until another vacant grasping assembly is opposite to another machining position, and the vacant grasping assembly grasping one machined workpiece; and repeating grasping the machined workpieces from the machining positions and placing the original workpieces on the machining positions until a last original workpiece is placed on one machining position.