Flying dust reducing device for internal mixer

The utility model provides a flying dust reducing device for an internal mixer, which comprises a bottom plate, the internal mixer is arranged at the upper end of the bottom plate, two sealing plates matched with each other are rotatably connected to the upper end in the internal mixer through a rotating shaft, and two rectangular plates corresponding to each other in left and right positions are arranged at the front end of the internal mixer. Worms are rotationally connected to the opposite inner side faces of the rectangular plates correspondingly, worm wheels are arranged at the front ends of the rotating shafts correspondingly, the worm wheels are engaged with the adjacent worms correspondingly, connecting frames are arranged on the left side and the right side of the internal mixer correspondingly, and the upper ends of the connecting frames are rotationally connected with cavity blocks through the rotating shafts correspondingly. Dust collection heads are arranged in dust collection openings evenly dis