Clamping device of cylindrical grinding machine

The utility model relates to the technical field of cylindrical grinding machines, and provides a clamping device of a cylindrical grinding machine, which is high in clamping efficiency and comprises a cylindrical grinding machine body, the cylindrical grinding machine body is provided with a workbench, the workbench is fixedly connected with a fixed plate, the workbench is slidably connected with a movable plate, and the workbench is connected with a driving mechanism. First motors are installed at the ends, away from each other, of the fixed plate and the movable plate, rotating plates are fixedly connected to the output ends of the first motors, second motors are installed in the rotating plates, driving bevel gears are fixedly connected to the output ends of the second motors, and a plurality of supporting plates are fixedly connected to the ends, close to the driving bevel gears, of the rotating plates; the supporting plate is rotationally connected with a driven bevel gear, the driven bevel gear is mesh