POWDER SUPPLY DEVICE

Apurpose of the invention is to provide a powder supply device having a dust collection unit to collect powdery dust released when powder is supplied from a lateral side, and having a space-saving and simplified structure. A powder supply device 1 according to the present invention has a main body 2, a plurality of stockers 3 and a dust collection unit 4. The stocker 3 has a charge port 31 and a supplier 32. The dust collection unit 4 has a casing 41, an exhauster 42 and a filtering member 43. The casing 41 has a ceiling portion 411 and a lateral side portion 412, with a side opposing said ceiling portion 411 being opened to form a lid-shaped configuration. The lateral side portion 412 has a notched portion 4121 into which the supplier 32 is to be inserted. The filtering member 43 is provided inside the casing 41 and is positioned above the notched portion 4121 and below the ceiling portion 411 in order to collect the powder P. The casing 41 has an inner space divided by the filtering member 43 into a first region A and a second region B.