Swing angle adjusting device and method for skin stretcher

The invention belongs to the technical field of stretch forming, and particularly relates to a swing angle adjusting device and method for a skin stretcher. A swing angle adjusting device of a skin stretcher comprises screw hole base plates installed on the two sides of a cylinder bottom spherical hinge of a stretching cylinder of the skin stretcher respectively, a base is arranged above the screw hole base plates, a groove with the two ends open is formed in the middle of the upper portion of the base, an adjusting gasket set is arranged in the groove, and a check block is arranged in the groove above the adjusting gasket set. Baffles are arranged on the side faces of the base at the two ends of the groove respectively, and the baffles at the two ends of the groove clamp and fix the adjusting gasket set and the check block in the groove. The adjusting device is simple in structure and convenient to maintain, the thickness of the adjusting gasket set is adjusted according to the needed swing angle of the skin