Suction hood for shearing machine

The utility model belongs to the technical field of shearing machines, and particularly relates to an air suction cover for a shearing machine, which comprises an air suction cavity, an air suction bin is mounted on the air suction cavity in a communicated manner, felt hanging plates are fixedly mounted at two ends of the air suction bin, air suction pipes are mounted at two ends of the air suction cavity in a communicated manner, guide plates are fixedly mounted on the inner walls of two sides of the air suction bin, and the guide plates are fixedly mounted on the inner walls of two sides of the air suction bin. U-shaped openings are formed in the felt hanging plates, and felt supports are fixedly installed in the U-shaped openings. The guide plate, the felt hanging plate, the felt support and the felt body are arranged, the guide plate divides the air suction bin into an upper air suction opening and a lower air suction opening, the upper air suction opening adsorbs the felt body to the circular knife, the