Automatic packaging machine

The utility model discloses an automatic packaging machine which comprises a packaging machine body, a protection structure is arranged on the packaging machine body, the protection structure comprises an installation block, the installation block is fixedly connected to the packaging machine body, a rotating shaft is rotationally connected to the installation block, and an installation frame is fixedly connected to the rotating shaft. The packaging machine is reasonable in structure, the connecting structure, the adjusting structure and the driving structure are arranged, the driving structure drives the rotating shaft to rotate through the adjusting structure, the rotating shaft drives the mounting frame and the containing disc to rotate, the containing disc rotates to the bottom end of the discharging port of the packaging machine body, and therefore the bottom end of the packaging machine body is protected; the residual coating at the discharging end of the packaging machine main body is prevented from dr