Gear hobbing machine

The invention belongs to the technical field of gear machining equipment, and particularly discloses a gear hobbing machine which comprises a machine tool of the gear hobbing machine, a workbench and a hobbing cutter, the workbench is provided with a fixing part used for fixing a gear, and a box body is arranged on the periphery of the workbench; the gear grinding machine further comprises a conveying unit, a grabbing unit and a grinding unit, a channel is formed in the machine tool, one section of the conveying unit is located in the channel and located on one side of the workbench, and the conveying unit is provided with a plurality of gear parts used for containing gears. The grabbing unit is fixed to the workbench, the grabbing unit comprises a mechanical arm and a grabbing part, the mechanical arm can rotate and stretch out and draw back, and the grabbing part is used for grabbing a gear; the grinding unit is arranged on the workbench and used for grinding the gear. Compared with the prior art, the hobbi