Transporter for injection-molded parts or inserts therefor

Details Transporter for injection-molded parts or inserts therefor Transporter for injection-molded parts or inserts therefor

1981-10-14

1983-01-11

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

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

Means responsive to abnormal condition completely stop...

425139, 425165, B29C 700, B29F 114

Patent

active

043680186

ABSTRACT:
One of two relatively movable platens of an injection-molding machine carries a housing in which a cylindrical cam with a generally helicoidal groove is rotatably lodged, the cam being rigid with a shaft disposed parallel to the direction of platen motion. A cam follower on the inner surface of that housing engages in the helicoidal groove whereby the shaft is rotated during relative reciprocation of the platens; a hub idling on the opposite shaft end, supported by a control box on the other platen, can be positively coupled to the shaft by a clutch in this box so as to rotate therewith. An elbow coupled with that hub, directly or through a carriage having a rack in mesh with a gear fixed to the hub, supports a pick-up head which in the engaged state of the clutch enters between two separated mold portions respectively carried by the platens for extracting a freshly molded workpiece from the mold or, possibly, placing an externally supplied insert in an empty mold cavity.

REFERENCES:
patent: 3454991 (1969-07-01), Rees
patent: 3700375 (1972-10-01), Rees
patent: 3804568 (1974-04-01), Rees
patent: 3990501 (1976-11-01), Fisher et al.
patent: 4204824 (1980-05-01), Paradis
patent: 4243364 (1981-01-01), Rees et al.

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