Two-platen injection molding machine

Details Two-platen injection molding machine Two-platen injection molding machine

1996-08-12

1998-07-07

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Mold motion or position control

425589, B29C 4580

Patent

active

057765162

ABSTRACT:
A two-platen injection molding machine with a stationary mold carrier plate and a movable mold carrier plate which are connected via tiebars having piston-cylinder units which build up and cancel the clamping force. At least one driving cylinder is arranged at the carrier plates for quick driving movement thereof. The tiebars are constructed as loose clamping pins forming the piston rod of the piston-cylinder units. The tiebars are guided through the movable mold carrier plate and the stationary mold carrier plate, and have a hydraulic high-pressure closing unit and a quick-locking mechanism mounted thereon external to the mold carrier plates. Elements are provided which detect the position of the movable mold carrier plate in a defined manner and control the quick-locking mechanism the closing unit, and the driving cylinder.

REFERENCES:
patent: 5338171 (1994-08-01), Hayakawa et al.
patent: 5582782 (1996-12-01), Kato et al.
Hydraulic and Pneumatic Power and Control, pp. 89-95, 1966.

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