Bridge formwork bending machine

The utility model relates to the technical field of bending machines, and discloses a bridge formwork bending machine which comprises a working table and a stepping motor installed below the working table, the top face of the working table is rotationally connected with a rotating base, and an output shaft of the stepping motor penetrates through the top face of the working table to be fixedly connected with the bottom end of the rotating base. A main bending roller is fixedly connected to the upper portion of the rotating base, a supporting block is fixedly connected to the other end of the main bending roller, a limiting winding roller is arranged on one side of the main bending roller, the two ends of the limiting winding roller are connected with an adjusting assembly, a clamping assembly is arranged on the workbench, the adjusting assembly is parallel to the clamping assembly, and the adjusting assembly comprises a displacement mechanism and a limiting mechanism. The limiting winding roller is connected