A MATERIAL FEEDER OF A LARGE SIZE PLANETARY BALL MILL

摘要

A material feeder of a large size planetary ball mill includes a hopper, a feeding frame with several top corners, and a grinding barrel. A material guiding pipe is provided on each top corner of the feeding frame and outside the discharge hole; a rotating shaft is horizontally provided inside the material guiding pipe and the feeding frame with one end supported on the feeding frame via a bearing and the other end located outside the discharge port of the material guiding pipe. The other end of the rotating shaft is connected to a spiral rack provided in the grinding barrel, and some spiral vanes are provided on the part of the rotating shaft inside the feeding frame. Under the driving of the spiral vanes, the material is fed first to the material guiding pipe, which does not have spiral vanes, and then to the grinding barrel homogeneously.