Pneumatic actuated roller assembly for a roller mill

Solid material comminution or disintegration – Apparatus – Plural rotary or oscillatory surfaces cooperate with common...

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241289, B02C 1500

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active

046206744

ABSTRACT:
A pneumatic system for exerting a downward grinding force on the roller assemblies of a roller type grinding mill. The pneumatic system consists of a plurality of resilient and flexible pneumatic cylinders or bellows operatively connected through a crank arm, a horizontal rotatable shaft and lever to the roller assembly. The flexible pneumatic cylinders exert an upward force on the crank arm which in turn exerts a downward force through the rotatable shaft and lever on the grinding roll. Vertical movement and vibration of the roller assembly is absorbed by the flexible cylinder to maintain a steady grinding force on the rollers.

REFERENCES:
patent: 2833483 (1958-05-01), China
patent: 4164328 (1979-08-01), Kausel et al.
patent: 4339086 (1982-07-01), Brundiek
"Airstroke Actuators, Airmount Isolators" Firestone Industrial Products Company.
Goodyear Tire and Rubber Company Publication, 1979.
Disc Roll Mill, Mining Engineering, 5-1961, p. 513.

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