Mold cup forming mold

The utility model relates to a mould cup forming mould, which comprises an ultrasonic mould, a workbench and a cutting die, the ultrasonic mould comprises an ultrasonic welding head and a driving part, the ultrasonic welding head is positioned above the cutting die, and the driving part is used for driving the ultrasonic welding head to move towards or away from the cutting die. The lower surface, facing the cutting die, of the ultrasonic welding head is a horizontal plane. The cutter die is provided with two ends which are relatively far away from each other, an open groove for placing a cutting piece is formed between the inner side of the cutter die and the workbench, the outer contour of the cutter die is matched with the outer contour of the bowl opening or the bowl opening and the bowl side of the forming die cup, and the top end of the cutter die is used for forming the bowl opening or the bowl opening and the bowl side on the cutting piece after being matched with the ultrasonic welding head. Accordin