Patent ID: 6772493
Filing Date: 2004-08-10
Classification: B23Q,Y10T

Abstract:
A workpiece changing system, comprising:a jig to which at least one workpiece to be machined thereon is attached; a handling robot, comprising: a wrist having wrist axes; and a hand, which is connected to the wrist and is rotatable about the wrist axes, for holding a workpiece to place the workpiece to the jig, and/or to remove a machined workpiece from the jig; and a jig mounting device including: a jig mounting unit on which the jig is detachably mounted; fixing means for fixing and unfixing the jig on said mounting unit; and orientation changing means for changing an orientation of the jig mounting unit so that an orientation of the jig on the jig mounting unit conforms with an orientation of the workpiece held or to be held by the hand of the handling robot with an orientation of the wrist where a minimum load is exerted on the wrist in placing and/or removing of the workpiece to and/or from the jig.