Sugarcane machine with sugarcane stem cutting adjusting structure and adjusting method thereof

The invention discloses a sugarcane machine with a sugarcane stem cutting adjusting structure, which comprises a box body, a first U-shaped frame is fixedly connected to the top of the box body and between the two sides, a first placing groove is fixedly connected to the middle of one end of the box body, and a first connecting plate is arranged at the end of the first placing groove below the first U-shaped frame; a cutting knife is fixedly connected to the bottom of the first connecting plate, brush rollers are arranged on the two sides of the cutting knife, the containing grooves used for containing sugarcanes are divided into the two ends, and the distance between the two containing grooves can be adjusted according to the thickness of sugarcane knots, so that the pulp of the sugarcanes can be moved to the second containing groove; the sugarcane knots fall into a knot receiving opening between the two placing grooves, so that the purpose of separating the pulp from the sugarcane knots is achieved; and the