Attachment mechanism for interchangeable injection molding dies

Details Attachment mechanism for interchangeable injection molding dies Attachment mechanism for interchangeable injection molding dies

1984-07-31

1985-10-01

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

425185, 425186, 425190, 425192R, 425589, B29F 1022

Patent

active

045443408

ABSTRACT:
A mechanism for the clamping attachment of interchangeable injection molding dies to the die carrier plates of an injection molding machine featuring a plurality of clamping plungers in axial guide bores of the die carrier plates, each clamping plunger having a clamping nose engaging a clamping shoulder of an oversized back plate of the die half, clamping the latter against the die carrier plate, when forcibly retracted by means of a transversely guided wedge rod driven by a hydraulic cylinder assembly. The wedge rod engages opposite faces of an inclined transverse plunger bore, for a self-locking clamping drive configuration and a positive extension drive configuration.

REFERENCES:
patent: 2398893 (1946-04-01), Quarnstrom
patent: 4116599 (1978-09-01), Ruegg
patent: 4202522 (1980-05-01), Hanas
patent: 4348165 (1982-09-01), Vostrovsky

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