Vertical adjusting mechanism for sand tray of rice huller

The utility model relates to the technical field of agricultural product processing, and discloses a rice huller sand tray up-and-down adjusting mechanism which comprises a machine table base, a guide rail is fixedly connected to the upper surface of the machine table base, a sliding block is slidably connected into the guide rail, a fixing plate is fixedly connected to the end, away from the guide rail, of the sliding block, and a motor is fixedly installed on the upper surface of the fixing plate. A sand discharging disc is fixedly installed at the upper end of a transmission shaft of the motor. According to the vertical adjusting mechanism of the sand disc rice huller, guide rails are fixedly connected to the upper surface of a machine table base, sliding blocks are slidably connected into the guide rails, fixing plates are fixedly connected to the ends, away from the guide rails, of the sliding blocks, a lower sand disc is fixedly installed at the upper end of a transmission shaft of a motor, and the guid