MOLDING MATERIAL SUPPLY DEVICE IN INJECTION MOLDING MACHINE AND METHOD FOR CONTROLLING SUPPLY OF MOLDING MATERIAL USING IT

摘要

PROBLEM TO BE SOLVED: To reduce the molding material remaining in a hopper bottom part to the utmost when a push-in member for pressing the upper surface of the molding material in a hopper reaches a falling limit position.;SOLUTION: The push-in member PSMB, which is constituted so as to downward press the molding material MT charged in the hopper HP from the hopper HP, is equipped with a disc-shaped member formed airtightly and slidably with respect to the cylindrical inner peripheral surface of the hopper and the leading end member having a tapered shape provided on the lower end part of the disc-shaped member and brought into contact with the inner peripheral surface of the hopper bottom part.;COPYRIGHT: (C)2005,JPO&NCIPI