Novel flash structure of flange yoke forge piece of transmission shaft

A novel flash structure of a flange yoke forge piece of a transmission shaft comprises a front plane flash, a rear plane flash, a side plane flash, a front vertical flash and a rear vertical flash, the front plane flash and the rear plane flash are connected with a disc part, the side plane flash, the front vertical flash and the rear vertical flash are connected with the outer sides of two yoke lug parts, and the front plane flash, the rear plane flash and the side plane flash are all parallel to the horizontal plane. The upper end of the front vertical flash is connected with the front end of the side plane flash, the upper end of the rear vertical flash is connected with the rear end of the side plane flash, the front vertical flash and the rear vertical flash are symmetrically arranged front and back, and the included angle beta between the plane where the front vertical flash and the rear vertical flash are located and the vertical plane where the center line between the two fork lug parts is located ran