High-quality rice deep processing equipment

The invention discloses high-quality rice deep processing equipment in the technical field of rice deep processing equipment, the high-quality rice deep processing equipment comprises a box body, the box body is sequentially provided with a feeding port, a screening mechanism and a discharging port from top to bottom, and a polishing roller is rotationally connected to the position, between the screening mechanism and the discharging port, of the box body; the screening mechanism comprises a first connecting plate which is vertically and slidably connected with the box body, and the box body is provided with a first air cylinder for driving the first connecting plate to slide; the first connecting plate is symmetrically provided with first screen hole parts along the axis of the first connecting plate, the bottom of the first connecting plate is symmetrically, horizontally and slidably connected with a second connecting plate, the second connecting plate is provided with second screen hole parts staggered wit