The utility model discloses a bender adjusting device, including base and spill die block, its characterized in that, the centre of die block is equipped with two regulating plates, is equipped with a plurality of cushions between the curb plate of regulating plate and die block, and the lateral wall of this die block is connected with the regulation pole, the one end of adjusting the pole is equipped with the screw thread with regulating plate matched with, and the other end is cylindrical rod body, and is equipped with a plurality of ring connected in stars on cylindrical rod body, the recess fit in is connected with the mounting plate, the mounting plate includes cardboard and handle, is equipped with two continuous circular fretworks I and fretwork II on the cardboard, the upper end of handle is equipped with the eccentric block, and this eccentric block is through round pin axle and cardboard connection, is equipped with at the lower extreme of handle and sticks up the tail. The beneficial effect of the utility model: structural design is reasonable, easy operation, and great improvement the efficiency of work, saved a large amount of manual works to the benefit of enterprise has been improved.