Efficient ore washing device for mining industry

The efficient ore washing device comprises a base, screening boxes are fixedly connected to one side of a fixing plate, sliding rods are arranged at the upper ends of a first screening plate, a second screening plate and a third screening plate, threaded connection columns are fixedly connected to the lower ends of a third cleaning box, a second cleaning box and a first cleaning box, and threaded connection columns are fixedly connected to the lower ends of a third cleaning box, a second cleaning box and a third cleaning box. A high-pressure nozzle is arranged at one end of the water tank. By means of the structure, the electric push rod is arranged on one side of the sliding plate, so that ores with different sizes can conveniently enter the first cleaning box, the second cleaning box and the third cleaning box, the ores with different sizes can be conveniently separated and cleaned, the threaded connecting column is in threaded connection with the inner side of the threaded groove, and the cleaning efficien