| 摘要 |
PROBLEM TO BE SOLVED: To provide a workpiece conveying device capable of operating a facility by the simultaneous handling of two workpieces even in the case of the occurrence of failure of the workpiece. SOLUTION: This workpiece conveying device 4 for supplying and taking out the workpieces to and from manufacturing devices 2, 3 using a robot hand 4a is provided with grip means 43a, 43b capable of chucking and unchucking two workpieces 70 independently, and a control part 4b capable of controlling the drive of the grip means to unchuck one workpiece 70b out of two workpieces 70 to discharge it to a failure chute 5 while retreating the other workpiece 70a temporarily to a temporary placing table 6 and unchucking it. In the case of the occurrence of failure of the one workpiece 70b when there is the temporarily retreated workpiece 70ap, the control part 4b discharges the one workpiece 70b to the failure chute and grips the retreated workpiece 70ap in place of the one workpiece 70b. COPYRIGHT: (C)2005,JPO&NCIPI
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