Machine for washing particulate workpieces

Details Machine for washing particulate workpieces Machine for washing particulate workpieces

1986-12-08

1988-01-19

Hornsby, Harvey C.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

134132, 210167, 198658, B08B 302

Patent

active

047199334

ABSTRACT:
Screws are delivered into the entrance end of a rotating horizontal drum and are advanced axially through the drum by an annular helical conveyor flight extending around and along the inner wall of the drum. During the advance, the screws are sprayed with a hot cleaning solution to remove oil from the screws, the screws being dried by heating coils prior to being discharged from the drum. A shield at the entrance end of the drum prevents screws from becoming trapped between the end of the drum and the initial turn of the conveyor flight as the screws are delivered into the drum. The cleaning solution sprayed into the drum is returned to a reservoir where oil is seperated from the solution by means of a rotating disc which attracts and picks up the oil and by means of squeegee blades which scrape oil from opposite sides of the disc for discharge to a drain.

REFERENCES:
patent: 1837069 (1931-12-01), Rieger
patent: 3552405 (1971-01-01), Apel
patent: 4097379 (1978-06-01), Shelstad
patent: 4098225 (1978-07-01), Norman
patent: 4165994 (1979-08-01), Jackson

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