Asphalt mixing machine

The utility model provides an asphalt mixing machine and belongs to the technical field of asphalt processing. The asphalt mixing machine comprises a shell, a stirring mechanism and a scraping plate, the stirring mechanism comprises a stirring rod, the outer wall of the scraping plate is slidably connected with the inner wall of the shell, an adjusting mechanism is arranged between the scraping plate and the stirring rod and comprises a fixing plate, a sliding groove, a connecting rod and a spring, and the fixing plate is fixedly connected to the outer side of the stirring rod; the sliding groove is formed in the outer side of the fixing plate. The connecting rod is in sliding connection with the inner wall of the sliding groove, and the connecting rod is fixedly connected with the scraping plate; the spring is fixedly connected between the connecting rod and the inner wall of the sliding groove, by arranging the adjusting mechanism, when the scraping plate is abraded, under the resilience force of the spring