Automatic round cover collecting and stacking machine

The utility model discloses an automatic round cover collecting and stacking machine which comprises a mechanical arm used for clamping round covers and a base fixedly connected to the bottom of the mechanical arm, the left side of the top of the base is fixedly connected with a supporting seat, and the automatic round cover collecting and stacking machine further comprises an aligning mechanism arranged on the supporting seat and used for aligning stacked round covers. The aligning mechanism comprises a wrapping shell fixedly connected to the top of the supporting base, a plurality of guide grooves are evenly formed in the top of the wrapping shell, a movable base is slidably connected into the guide grooves, the movable base is provided with an adjusting assembly used for adjusting the distance between the movable base and the central axis of the wrapping shell, stacking supporting rods are arranged at the top end of the movable base, and round covers distributed in a stacked mode are arranged in the evenly