Apparatus for a pelletizer having hydraulically adjustable press

Details Apparatus for a pelletizer having hydraulically adjustable press Apparatus for a pelletizer having hydraulically adjustable press

1987-05-15

1989-06-13

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Traversing roll pressurizing means operably associated with...

425DIG230, B29C 4732, B30B 306

Patent

active

048387797

ABSTRACT:
Apparatus is described for a pelletizer having hydraulically adjustable pressing rolls. Specifically, each pressing roll is mounted in two bearing journals and is eccentrically located with respect thereto. The pelletizer includes a hydraulically actuated device for adjusting the position of the outer surface of the pressing rolls relative to the inner surface of the mold, wherein this device utilizes at least one hydraulic cylinder having an end that is connected to a bearing journal which is, in turn, attached to a shaft of a pressing roll. In addition, the pelletizer also includes a hydraulically actuated device for clamping the rolls into a desired position. Oil supply and discharge pipes for each hydraulic cylinder extend through a main shaft of the pelletizer. Through this apparatus, the position of the pressing rolls can be controllably adjusted while the pelletizer is operating, i.e. while the annular press mold is rotating.

REFERENCES:
patent: 2240660 (1941-05-01), Meakin
patent: 3207090 (1965-09-01), Cunningham
patent: 3354845 (1967-11-01), Schultz
patent: 3467031 (1969-09-01), Haflinger
patent: 3551950 (1971-01-01), Miyakawa et al.
patent: 3679343 (1972-07-01), Gilman
patent: 4770621 (1988-09-01), Groebli et al.

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