Spiral slag extractor

The utility model discloses a spiral slag extractor which comprises a slag extraction pipe, a base and a sliding plate, a U-shaped plate is installed at one end of the top of the base, second bearings are installed on the two sides of the U-shaped plate, rotating rods are installed in the second bearings and penetrate through the U-shaped plate, the top of each rotating rod is provided with the slag extraction pipe, and the sliding plate is installed on the top of the base. A motor is installed at the end, away from the U-shaped plate, of the residue extracting pipe, the output end of the motor penetrates through the residue extracting pipe, a rotating shaft is installed at the output end of the motor, spiral blades are installed on the outer side of the rotating shaft, and a sliding assembly is installed at the end, away from the U-shaped plate, of the top of the base. According to the utility model, the rotating shaft and the spiral blade are mounted, and the drain holes are uniformly formed in the bottom o