Plunger molding machine having blank loading device

Details Plunger molding machine having blank loading device Plunger molding machine having blank loading device

1986-09-25

1987-09-22

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

100188R, 2641761, 414 16, B28B 324, B29C 4710

Patent

active

046952420

ABSTRACT:
A plunger molding machine includes a material cylinder having at one end an extending die for extruding a blank therethrough and pivotally movable about a pivotal axis on a side of the extending die by means of a cylinder tilting mechanism, a piston having a size engageable in the material cylinder, and a hydraulic plunger for driving the piston. The plunger molding machine comprises a blank loading device arranged in parallel with moving directions of the piston for molding. The blank loading device comprises a blank receiving platform for receiving the blank to be molded, a chuck mechanism for preventing the blank on the platform from being dislodged therefrom, a platform tilting mechanism for tilting the platform, and a platform traversing mechanism for moving the platform in translational motion onto a side of the material cylinder to bring an axis of said blank receiving platform into alignment with that of said material cylinder. When the chuck mechanism is released, the blank is loaded into the material cylinder by gravity. In this manner, the plunger molding machine is able to carry out the loading the blank automatically by means of the exclusive loading device.

REFERENCES:
patent: 3898831 (1975-08-01), Kahlefeld
patent: 4334466 (1982-06-01), Spiegelberg
patent: 4565512 (1986-01-01), Wills et al.

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