Screen drum of tea leaf classifying screen

The utility model provides a screen drum of a tea leaf classifying screen, and relates to the technical field of tea leaf machines. The screen drum is characterized in that the screen drum comprises a body, a front fixing edge, a rear fixing edge and a separating bar, the front fixing edge is arranged on the front side of the body, the rear fixing edge is arranged on the rear side of the body, the separating bar is arranged in the middle of the body, screen holes are formed in the body, the diameters of the screen holes located in the body between the front fixing edge and the separating bar are smaller than the diameters of the screen holes located in the body between the rear fixing edge and the separating bar, sloping benches are evenly arranged on the inner side face of the body, the screen holes penetrate through the sloping benches, the axis direction of the screen holes is perpendicular to the inner surfaces of the sloping benches, and included angles of 15-30 degrees are formed between the inner surfaces of the sloping benches and the tangential direction of the surfaces, in contact with the body, of the sloping benches. The screen drum is simple in structure and convenient to use, tea leaves can be prevented from being cut by the edges of the screen holes, fragments are reduced, and tea leaf processing and product quality improvement are facilitated.