Accurate fixed-length cutting-off discharging machine for prestressed reinforcing steel bar

The invention discloses an accurate fixed-length cutting-off discharging machine for a prestressed reinforcing steel bar. The accurate fixed-length cutting-off discharging machine for the prestressedreinforcing steel bar comprises a transmission mechanism, a material guiding and dimension fixing mechanism and a control system. The transmission mechanism comprises a motor, a motor shell, a gear box, a drive roller group and a cutter transmission assembly. The material guiding and dimension fixing mechanism comprises a material guiding groove, a material guiding groove door, material guiding groove door support pieces, material guiding groove door opening and closing levers, material guiding groove door opening and closing air cylinders and foot stools. The control system comprises a controller, approach switches and an electromagnetic valve. The controller is a PLC single-chip microcomputer controller and used for receiving sensor signals in the approach switches and sending instructions to the electromagnetic