Patent ID: 8894272
Filing Date: 2014-11-25
Classification: B01F

Abstract:
1. A powder material agitator, comprising: a vessel provided between a powder material supplier and a powder material discharger to hold therein powder material to be stirred; a stirrer provided in the vessel to have a stirrer rotating shaft and a main stirring body fastened to the stirrer rotating shaft; a feeder provided in the powder material discharger to have a discharger rotating shaft arranged to be parallel to the stirrer rotating shaft and a discharge feed member fastened to the discharger rotating shaft, the feeder being arranged to have both forward rotation and reverse rotation; and an auxiliary stirring body provided on the discharger rotating shaft; wherein: the powder material discharger comprises a top-open bottom case and a tubular section; the tubular section is coupled with the top-open bottom case; the vessel and the powder material discharger are connected with each other at the top-open bottom case; the vessel has inclined faces, the inclined faces being inclined downward towards the top-open bottom case; the auxiliary stirring body is provided in a whole area of the top-open bottom case; the auxiliary stirring body is smaller in size than the main stirring body; and the powder material agitator has a stirring assist function during reverse rotation of the discharger rotating shaft of the feeder to stir up the powder material in the powder material discharger and to feed the powder material back into the vessel when the stirrer rotating shaft is rotated to stir the powder material in the vessel, and a discharge function during forward rotation of the discharger rotating shaft of the feeder to discharge the powder material out of the vessel and the powder material discharger when the stirrer rotating shaft is rotated to stir and send the powder material in the vessel to the powder material discharger.