Roll shaft stretching and shaping device

The utility model discloses a roll shaft stretching and shaping device which comprises a bottom plate, a supporting plate is installed at one end of the top of the bottom plate, a controller is installed at the corner of one end of the supporting plate, fixed roll shafts are installed on the two sides of the top and the two sides of the bottom of one end of the supporting plate, and a movable roll shaft is installed at one end of the supporting plate. And dismounting structures are arranged outside the fixed roller shaft and the movable roller shaft correspondingly, an adjusting structure is arranged at the other end of the supporting plate, the adjusting structure comprises a cavity, and the cavity is formed in the top end of the interior of the supporting plate. By arranging the adjusting structure, the servo motor is started to drive the threaded rod to rotate, then the movable block can be driven to move up and down outside the threaded rod, namely the movable roll shaft can be driven to move up and down,