Full-automatic ultra-high-speed sand screening machine

The utility model discloses a full-automatic superspeed sand screening machine, which relates to the field of sand screening machines, and comprises a drying box main body, one side of the drying box main body is provided with a sand pushing assembly, the sand pushing assembly comprises a first hydraulic telescopic rod, a push plate, a second hydraulic telescopic rod and a push rod, and a heating plate is arranged at the upper part in the drying box main body. The top of the drying box body is connected with a feeding port. Through the arrangement of the drying box main body, the heating plate, the first hydraulic telescopic rod, the push plate, the second hydraulic telescopic rod and the push rod, caking sand caused by much moisture can be dried conveniently, the sand can be crushed conveniently, and therefore better screening can be achieved; sand can be more evenly laid on the bottom face of the drying box body, the sand can be better dried, and the sand can be completely pushed to the bottom of the auger