Reinforcing steel bar supporting device of reinforcing steel bar straightening machine

The utility model relates to the technical field of material supporting devices, and provides a steel bar supporting device of a steel bar straightening machine, which comprises a material supporting mechanism, the material supporting mechanism is arranged at the discharging end of the steel bar straightening machine, and the material supporting mechanism comprises a material supporting cylinder, a material supporting seat, a material supporting frame, an elastic discharging plate and a collecting box, the material supporting base is rotationally installed in the material supporting cylinder through the rotating assembly, the material supporting frame is arranged on the material supporting base in a sliding mode, the multiple elastic discharging plates are sequentially arranged on the inner side wall of the material supporting cylinder in an inclined and staggered mode from top to bottom through the multiple elastic bases, and the rotating assembly comprises a motor, a rotating rod, a fixing rod and a fixing