Diaphragm spring notching die

The utility model belongs to the field of diaphragm spring machining equipment, and particularly relates to a diaphragm spring notching die. Comprising an upper die assembly, a lower die assembly and a discharging plate installed between the upper die assembly and the lower die assembly, the upper die assembly comprises a male die fixing plate, the discharging plate is guided by an inner guide column to move up and down, the lower die assembly comprises a female die fixing plate and a plurality of female dies installed on the female die fixing plate, and a positioning pin is further arranged on the female die fixing plate. A concave table is arranged at the bottom of the discharging plate in the circumferential direction, a receding notch is formed in the circumference of the female die fixing plate, the top end face of the female die is higher than the top face of the female die fixing plate, further, the inner guide column is fixedly installed on the discharging plate, a guide sleeve is correspondingly arra