Dust removal and noise reduction device

The utility model discloses a dust removal and noise reduction device which comprises a control cabinet body, three fixing frames are fixedly connected to the interior of the control cabinet body at equal intervals, rotating rods are rotationally connected to the inner sides of the fixing frames, a first ventilation box is fixedly connected to the outer sides of the rotating rods, and a blowing head is arranged on one side of the first ventilation box. One side of the control cabinet body is provided with a second ventilation box, and the second ventilation box is connected with the first ventilation box through a hose. The beneficial effects of the utility model are that the rack and the gear are added, so that when the output end of the second cylinder drives the sliding plate and the rack to move, the rack drives the rotating rod to rotate through the gear; and a second ventilation opening and a first ventilation opening are additionally formed, so that the ventilation degree in the control cabinet body is