Cylinder shell grinding device for machining steam-distributing cylinder

The utility model discloses a cylinder shell polishing device for processing a gas-distributing cylinder, which comprises a polishing table, a support is fixed on the top of the polishing table, a movable polishing device is arranged above the support, a pushing turnover mechanism is arranged on the polishing table, a clamping mechanism connected with the pushing turnover mechanism is arranged above the polishing table, and the clamping mechanism is arranged on the top of the polishing table. The pushing turnover mechanism comprises a bottom plate fixed to the top of the polishing table, a vertical plate is fixed to the top of the bottom plate, and a top plate is fixed to the top of the vertical plate. According to the cylinder shell grinding device for machining the gas distribution cylinder, through the arrangement of the pushing and overturning mechanism, a cylinder shell can be rapidly driven to overturn by 180 degrees after one face is ground, manual overturning is not needed, overturning through an over