Patent ID: 7957580
Filing Date: 2011-06-07
Classification: B25J,G05B

Abstract:
1. A workpiece picking device for picking a workpiece by means of a robot, using an image of workpieces of the same kind, said device comprising: an imaging part for capturing an image of a plurality of workpieces; a detecting part for detecting one or more workpieces in the image; a selecting part for selecting one workpiece to be picked from the workpieces detected by the detecting part; a robot for picking the workpiece selected by the selecting part; a detection result storing part for storing a detection result outputted by the detecting part in relation to the workpiece picked by the robot; and a condition setting part for, using the detection result stored in the detection result storing part, setting a condition in relation to a next detection by the detecting part; wherein the detection result stored in the detection result storing part is the size of the picked workpiece on the image captured by the imaging part, and the condition setting part is configured to limit the size of a workpiece to be detected in the next detection by the detecting part within a range that is calculated by adding a certain margin to the size stored in the storing part.