Patent ID: 6315543
Filing Date: 2001-11-13
Classification: B29C

Abstract:
Apparatus for controlling a take-out plate which removes molded parts from a mold plate in an injection molding machine, comprising:a radiation source for projecting radiation to said mold plate;a radiation detector which receives said projected radiation from said mold plate;a machine controller connected to said radiation source and said radiation detector, said machine controller being configured to provide power and control signals to said radiation source and detector, said machine controller being configured to receive a sensing signal from said radiation detector; anda take-out controller which (i) receives the sensing signal from said radiation detectors, (ii) determines whether any molded parts or portions of molded parts remain at a predetermined position on said mold plate, and (iii) provides a command signal to cause said take-out plate to move when it is determined that no molded parts or portions of molded parts remain at the predetermined position on said mold plate.