Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1994-09-27
1998-03-03
Bidwell, James R.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
B65G 4516
Patent
active
057225281
ABSTRACT:
Disclosed is a method and apparatus for cleaning a conveyor belt. The invention comprises locating a support bar under the return side of a conveyor belt and positioning it transverse to the direction of travel of the conveyor belt. The support bar has mounted on it several individual piston-cylinder apparatus which have pneumatic or hydraulic connections to a manifold assembly. Support plates are connected to the extensible end of the piston-cylinder apparatus and cleaner blades are removeably attached to the support plates. The cleaner blades and piston-cylinder apparatus are arranged adjacently with one another along the length of the support bar, and the blade assemblies have side edges with tongue and groove connections so that each adjacent cleaning blade has a sliding engagement with one another. Connecting to the manifold assembly on the support bar are pneumatic supply and return lines that emanate from a pressure source having a regulator and a two way valve. The method comprises locating the support bar assembly in the proper position and activating the two way valve so that pressure is applied to each of the individual piston cylinder apparatus. As wear occurs on the individual blades or as the conveyor belt becomes curved more in the middle, the blades are pressed against the belt in a uniform manner. When it is necessary to change the blades the two way valve may be switched and the piston cylinders are retracted from contact with the belt.
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Bidwell James R.
Conveyor Services Corp.
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