Device for removing and conveying injection-molded piece

Details Device for removing and conveying injection-molded piece Device for removing and conveying injection-molded piece

B - Operations, Transporting

29

F

18/713

B29F 1/14 (1980.01)

Patent

CA 1144726

ABSTRACT A transparent thin bottle-shaped container is produced by means of biaxially oriented blow molding of a cylindrical piece with a bottom of polyethylene terephthalate material. Multiple pieces are molded by every cycle of an injection molding machine. The multiple pieces thus formed are held at the gate integrally projecting therefrom, by a base plate moved forward at the front of the mold in the injection mold- ing machine and then conveyed to a gate cutting unit provided to one side of the injection molding machine. The pieces thus cut from the gate by the cutting unit are sequentially conveyed onto a conveyor. The pieces are gradually cooled from the hot molded temperature during the conveyance and are additionally cooled, while being conveyed on an oblique conveyor installed with a cooler, to room temperature or lower predeter- mined temperature. The cooled pieces are then re-heated by a heater immediately before a biaxially orientation blow molding process.

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