Single formation stamping mould for making side wall of coach (or car)

The utility model discloses a one-step forming mould for making the side wall of a car. The utility model is composed of a convex mould, grooves, outer side-pressing rings and a convex mould seat. The utility model is characterized in that inner side-pressing rings 4 and 10 are arranged in a space surrounded by convex moulds, and stretching ribs 3 and stretching ribs 11 are respectively arranged on the inner side-pressing rings 4 and 10. The utility model has the advantages of low cost, short manufacture periodicity and one-step forming for the side wall of the car. Two sets of moulds are saved when the side wall of the car is manufactured, and plates for manufacturing the side wall of the car are also saved.