Turbofan air suction device for drawing frame

A turbofan air suction device for a drawing frame comprises a box body, a cavity in the box body is a filter cotton cavity, the two sides of the box body are respectively provided with an electric cabinet, exhaust cavities are formed in the electric cabinets, an air inlet is formed over the box body, a filter screen is arranged in the air inlet, the air inlet is connected with the drawing frame through a plurality of air guide pipes, and an installation cover is arranged on the side face of the box body. A cavity in the mounting cover is an air suction cavity, the air suction cavity is communicated with the filter cotton cavity, and a centrifugal fan and a turbofan impeller are arranged in the air suction cavity. The air suction device has the advantages that the air suction device is simple in structure, small in size and capable of saving space; the air suction device adopts the turbofan impeller and the annular air deflector structure, so that the wind loss can be reduced, the wind pressure generated by th