FIELD: machine building.
SUBSTANCE: screw feeder consists of feed bin (1) with charge hole (2), of shaft with screw (3), of casing (7) with unloading hole (8) and drive. In casing of feeder from opposite from unloading hole side it is implemented unloading hole (6), outfitted by cover (5), implemented flush with internal surface of feeder casing. Shaft with screw allows ability of reversive rotation and is outfitted from both sides by pneumatic blades (9), allowing in section shape of triangle.
EFFECT: there is provided unloading of the rest of bulk material from feeder without disassembling of connection element between unloading and loading holes.
1 dwg
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