Broken rice screening device for rice deep processing

The utility model discloses a broken rice screening device for rice deep processing, which belongs to the technical field of broken rice screening and comprises a screening box for screening in the rice deep processing process and a hollow block arranged on the vertical side face of the screening box. A rotating motor is connected to the top end of the hollow block, a lead screw is connected to the output end of the rotating motor, a mounting base is connected to the output end of the second telescopic rod, two partition plates are welded to the top end of the mounting base, and a third telescopic rod is connected to the vertical side face of the mounting base; according to the broken rice screening device for rice deep processing, a filter screen in a connecting frame is driven to move, so that the connecting frame jolts up and down, the screening speed of broken rice is increased, secondary screening processing is facilitated, repeated operation can be conducted, and the screening efficiency is improved. Ma