Apparatus for removing sprue slugs from an injection molding mac

Details Apparatus for removing sprue slugs from an injection molding mac Apparatus for removing sprue slugs from an injection molding mac

1987-09-11

1989-04-18

Spar, Robert J.

Material or article handling

Apparatus for charging a load holding or supporting element...

Load holding or supporting element including gripping means

414718, 414729, 414917, B65H 2902

Patent

active

048222330

ABSTRACT:
Apparatus for removing plastic sprue slugs from the mold of an injection molding machine including a housing, a swivel arm rotatably mounted in the housing about a horizontal axis, a gripping arm pivotally mounted to the outer end of the swivel arm and having fingers for gripping and removing the slug, a steering rod for pivotting the gripping arm about the swivel arm as the swivel arm rotates about its axis and a cam for controlling movement of the steering rod, the cam, upon rotation of the swivel arm from an upper waiting position to a lower gripping position, causing the fingers to first trace a circular path until they reach a level approximately level with the top of the mold and then a path that extends substantially vertically downward along the front side of the mold until they reach a protruding sprue slug.

REFERENCES:
patent: 4102461 (1978-07-01), Soyland
patent: 4553899 (1985-11-01), Magni
patent: 4585389 (1986-04-01), Watanabe et al.
patent: 4621562 (1986-11-01), Carr et al.
patent: 4635493 (1987-01-01), Buckley
Getecha-Handling Equipment for Sprue and Molding Removal.

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