Crushed aggregate type powder mixing device

The utility model discloses a crushed aggregate type powder mixing device which comprises a mixing tank. The upper end of the mixing tank is provided with a mounting base and a feeding port, the bottom of the mixing tank is provided with a discharging port, a stirring motor is installed on the mounting base, an output shaft of the stirring motor is connected with a stirring shaft arranged in the mixing tank, a stirring blade is installed at the lower end of the stirring shaft, a plurality of crushing nails extending vertically downwards are evenly arranged on the edge of the bottom of the stirring blade, and a scraping plate extending towards an inner wall of the mixing tank is arranged on the edge of the outer side of the stirring blade. The crushed aggregate type powder mixing device is simple and reasonable in structure and convenient to install and use; the crushing nails and the scraping plate are arranged at the bottom and on the side edge of the stirring blade, powder in the mixing tank can be crushed and scattered, the mixing speed is improved, blockage and blind corners do not occur easily, and the powder mixing quality and production processing efficiency are effectively improved.