The utility model discloses a gear shaft
polishing device, which relates to the technical field of gear shaft
processing and comprises a base, two opposite fixing plates are fixedly connected to the upper side of the base, a fixing component is arranged between the two fixing plates, a feeding component is arranged on one side, far away from the base, of the fixing component, and a
polishing component is arranged on the feeding component. A discharging
assembly is arranged on the side, close to the base, of the fixing
assembly, a
polishing assembly is arranged on the side, in the width direction of the base, of the fixing assembly, the fixing assembly comprises two supporting plates capable of sliding relatively, chucks are rotationally connected to the opposite sides of the two supporting plates, and the polishing assembly comprises a third
linear motor. And third connecting plates are fixedly connected to the two output ends of the third
linear motor, fourth hydraulic telescopic cylinders are arranged on the sides, facing the fixing assembly, of the third connecting plates, the output ends of the fourth hydraulic telescopic cylinders are fixedly connected with a shell, a groove is formed in the shell, and the gear shaft polishing device has the
advantage of improving the gear shaft polishing efficiency.