Rust removing device of steel bar straightening and cutting machine

The utility model relates to the technical field of building material processing equipment, in particular to a rust removal device of a steel bar straightening and cutting machine, which comprises a fixed bottom plate, a rust removal cylinder, a lower guide wheel and an upper guide wheel, a support frame is mounted at the top of the fixed bottom plate, a first fixed plate is mounted at the top ofthe support frame, and two connecting plates are mounted at the top of the first fixed plate. A rotating shaft is installed at the bottom ends of the two connecting plates and sleeved with a lower guide wheel, one end of the rotating shaft is connected with the output end of a second motor, a second fixing plate is installed at the tops of the two connecting plates, a threaded rod is in threaded connection with the second fixing plate, and the top end of the threaded rod is connected with an adjusting wheel. The bottom end of the threaded rod is connected with an upper bearing plate through aconnecting rotating shaft,