Smoothing device for chemical building installation construction

The utility model relates to a smoothing device for chemical building installation and construction. The machine comprises a machine body, the machine body comprises a shell, a rotating shaft, fan blades, grinding stone, an air outlet, an air outlet, a lampshade, an illuminating lamp and a blocking piece. A rotating shaft is arranged in the middle inside the shell; fan blades are mounted at the upper part outside the rotating shaft; polishing stones are mounted at the lower part outside the rotating shaft; an air inlet is fixed between the inner side of the bottom of the shell and the grindingstone. Air outlets are formed in two sides of the top end of the shell; a lampshade is installed on the upper portion of the outer side of the shell, an illuminating lamp is installed in the lampshade, a blocking piece is installed on the lower portion of the outer side of the shell, a dust storage device is connected to the other side outside the machine body through a pipeline and comprises a box body, pulleys, storage