Flexible connection device for straightening machine

The utility model is suitable for the technical field of straightening machines, and discloses a flexible connection device for a straightening machine. Multiple groups of block grooves are uniformly formed in the surface of the machine body, adjusting blocks, springs and roller fixing blocks are arranged in the block grooves, straightening rollers are arranged at the tops of the roller fixing blocks, rod grooves are formed in the outer wall of the machine body, the rod grooves communicate with the inner walls of the block grooves, a rack is fixed to the middle of the outer wall of the machine body, and an electric push rod is arranged at the tail end of the rack; the tail end of the electric push rod is connected with a rod fixing plate, multiple sets of abutting rods are arranged on the inner wall of the rod fixing plate, the tail ends of the abutting rods are located in the rod grooves, and a switch is arranged on the side wall of the machine body. The straightening roll is arranged on the roll fixing bloc