Pin and pin piece screening device for aluminum template

The utility model relates to a pin and pin piece screening device for an aluminum template. The utility model aims to fill the blank of the prior art, the pin and pin sheet screening device for the aluminum template comprises a squirrel-cage screen drum, a driving motor and a main shaft, the squirrel-cage screen drum comprises a head ring, a reinforcing ring, a tail ring and a plurality of screenbars. Two ends of the main shaft are respectively exposed out of the squirrel-cage screen drum; a bearing seat at the head end of the main shaft is fixed on a high stand column; a bearing seat at thetail end of the main shaft is fixed on a low upright post; the driving motor drives the main shaft to rotate through a transmission gear or a transmission belt or a worm gear/worm mechanism; a semi-horn-mouth-shaped feeding hopper is further arranged above the head end of the main shaft, an opening of the semi-horn-mouth-shaped feeding hopper is upward, the small end of the semi-horn-mouth-shapedfeeding hopper points to th