Stirring structure of flotation machine

The utility model relates to a flotation machine stirring structure which comprises a mounting barrel and a rotating shaft rotationally mounted in the mounting barrel, and a charging barrel assembly is arranged below the mounting barrel. The material barrel assembly comprises a material guiding barrel and an air guiding barrel arranged in the material guiding barrel, the top end of the material guiding barrel is connected with the bottom face of the mounting barrel, the bottom end of the air guiding barrel is rotationally connected with the rotating shaft, a feeding port is formed in the bottom of the material guiding barrel, and an air inlet is formed in the top of the material guiding barrel; the feeding channel is formed on the outer side of the rotating shaft by adopting the material guide cylinder, and meanwhile, the air inlet channel is formed in the material guide cylinder by matching the air guide cylinder with the rotating shaft, so that air introduced from the air inlet is uniformly filled into the