Extruding die structure for plunger molding machine

Details Extruding die structure for plunger molding machine Extruding die structure for plunger molding machine

1988-01-29

1989-01-17

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

4253761, 425461, B29C 4700

Patent

active

047985283

ABSTRACT:
An extruding die structure is used for a plunger molding machine. The extruding die structure comprises an extruding die structure body detachably mounted on an extruding die mounting portion of the plunger molding machine and having an extruding die at its front end and grooves in an outer circumference for positioning and fixing the extruding die structure body to the extruding die mounting portion, keys engaging the grooves for positioning and fixing the extruding die structure body, and hydraulic cylinders as key driving means provided in the extruding die mounting portion for engaging and disengaging the keys from the grooves of the extruding die structure body. After the extruding die structure body is positioned by the positioning key, the fixing keys are engaged with the grooves to fix the extruding die structure body to the extruding die mounting portion, without requiring manual troublesome operation, shorten the time required for mounting the extruding die structure.

REFERENCES:
patent: 4348165 (1982-09-01), Vostrovsky
patent: 4361530 (1982-11-01), Peer
patent: 4368026 (1983-01-01), Budel et al.

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