Automatic processing equipment for sand-gravel materials

The invention relates to the technical field of sand-gravel material processing, in particular to automatic processing equipment for sand-gravel materials. According to the technical scheme, the equipment comprises a conveying box, a cleaning assembly and a threaded rod, wherein the threaded rod is installed in the conveying box through a rotating shaft, a scraping plate is installed on the outer side of the threaded rod through a threaded sleeve, a box frame is installed at the top of the conveying box, the cleaning assembly is installed in the box frame, a lead screw is installed in the cleaning assembly, a threaded sleeve frame is installed on the outer side of the lead screw, an electric telescopic rod is installed at the bottom of the threaded sleeve frame, and a cleaning brush is installed at the output end of the electric telescopic rod. The cleaning brush is driven by the reciprocating electric telescopic rod to reciprocate, residual sand and gravel on the top of a conveying belt are cleaned through t