Mold locking device for an injecting machine

Details Mold locking device for an injecting machine Mold locking device for an injecting machine

1994-05-26

1995-08-08

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to close mold

425595, B29C 4566

Patent

active

054393698

ABSTRACT:
A mold locking device for an injection molding machine is provided. The device includes a stationary disc and a movable disc displaceable to lock a mold placed between the stationary disc and the movable disc. Four oil cylinders are provided to move the movable disc on four guide rods back and forth. Four push rods are provided, each having a front end secured to the movable disc and a rear end extending through four cylindrical tubes disposed with a respective one of four holes formed in a support disc. A piston disposed within a piston chamber formed in a front surface of the support disc is pushed forward to respectively push a shield plate. The shield plate displaces the four push rods so as to push the movable disc with a great force, after the movable disc has been pushed forward to lock the mold stably.

REFERENCES:
patent: 4571169 (1986-02-01), Shima et al.

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