Vortex combined powder separator

The utility model relates to a vortex combined powder separator which comprises a vertical type main shaft arranged in a machine body and a centrifugal fan, wherein a cage-type rotor and a material scattering disk are fixed on the main shaft from top to bottom; a vertical type screening strip is arranged on the outer side of the cage-type rotor; a medium-rough powder collection cone is arranged below the cage-type rotor and the vertical type screening strip; the outlet of the medium-rough powder collection cone is connected with a medium-rough powder discharging pipe and extends out of the machine body; a blanking opening is formed above the machine body and connected into the machine body through a blanking pipe; a rough powder collection cone is connected below the machine body; a rough powder locker is arranged at the outlet below the rough powder collection cone; a separation chamber on the outer side of the vertical type screening strip is communicated with a cyclone powder collector; the lower end of th