Fixed-point air suction system for drawing area of drawing frame

The utility model provides a drawing frame drafting zone fixed-point air suction system which comprises a main air box, a through main air duct is arranged in the main air box, and one end of the main air duct is communicated with the upper end of a cotton filtering box. The dust accumulation box assembly comprises an upper dust accumulation box, a lower dust accumulation box and an upper wind scoop, the upper dust accumulation box and the lower dust accumulation box are vertically arranged at an interval, the upper wind scoop is communicated through two connecting bent pipes, and the upper wind scoop extends in the front-back direction and is arranged at the upper end of the upper dust accumulation box; the first end of the plastic elbow is communicated with the other end of the main air duct, and the second end sleeves the lower end of the lower dust accumulation box; the roller assembly comprises a first roller, a second roller, a third roller, three lower air nozzles correspondingly arranged below the fir