Sand stone screening device for planting of Myrtis diffusa

The utility model belongs to the technical field of grassy planting, and particularly relates to a sand stone screening device for grassy planting, which comprises a supporting column, a conveying barrel is arranged at the top of the supporting column, a feeding port is arranged on the surface of the conveying barrel, a motor is arranged at one end of the conveying barrel, and a rotating shaft is mounted at the output end of the motor. And a conveying roller is arranged on the surface of the rotating shaft, a material guiding opening is formed in the surface of the conveying cylinder, one end of the material guiding opening is connected with a box body, and a base is arranged at the bottom of the box body. A first sieve plate, a first discharge port, a second sieve plate, a second discharge port and a third discharge port are arranged in the box body, stones with different sizes can be classified, a third telescopic device and a push plate are arranged in the box body, sand can be conveniently discharged out