Necking-down spinning numerical-control forming equipment for corrugated pipe type thin-walled parts

The invention provides necking-down spinning numerical-control forming equipment for corrugated pipe type thin-walled parts. The necking-down spinning numerical-control forming equipment comprises a machine tool, a spindle device, a spinning roller device and a tail jack device; the spindle device, the spinning roller device and the tail jack are disposed on the machine tool in sequence; and a core die and a corrugation die which is disposed outside the core die in a sleeving mode are disposed between the spindle device and the tail jack device. The spinning roller device comprises a spinningroller frame and a spinning roller; the spinning roller device is in sliding connection with the machine tool; a machining area is disposed on the spinning roller frame; one end of the core die is connected with a spindle in the spindle device; the corrugation die penetrates through the machining area on the spinning roller frame to be connected with the tail jack device; and the spinning roller is disposed in a spinning