Magnetic separator and sweeping brush used therein

Details Magnetic separator and sweeping brush used therein Magnetic separator and sweeping brush used therein

1995-11-29

1998-08-25

Bollinger, David H.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209221, 209225, 209229, 209230, 209231, B07C 5344

Patent

active

057974985

ABSTRACT:
A magnetic separator for separating a magnetic substance such as metal parts or workpieces from a nonmagnetic substance such as abrasives used in a barrel finishing includes an infeed passage along which a mixture of the workpieces and the abrasives is conveyed. A rotary drum is rotated in a direction crossing the infeed passage, and a magnet is mounted in the rotary drum so that the magnetic substance is attracted to a circumferential surface of the rotary drum. The workpieces picked up onto the rotary drum are conveyed along an outfeed package, and a demagnetizer establishes an alternating field in the middle of the outfeed passage along a direction in which the magnetic substance is conveyed along the outfeed passage. A sweeping brush is located on the infeed passage in the vicinity of the rotary drum so as to scrape the surface of the workpieces attracted to the surface of the rotary drum to sweep off granular abrasives adherent to the surface of the workpieces. A removing brush is located at the outfeed passage for scraping out the workpieces to dissociate them from the rotary drum.

REFERENCES:
patent: 294021 (1884-02-01), Faber

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