Folding automatic profiling and soil covering mechanism

The utility model relates to a ridging, filming and planting combined machine, in particular to a folding automatic profiling and soil covering mechanism used for a ridging, filming and planting combined machine. The folding automatic profiling and soil covering mechanism mainly comprises a support, a rotating machine frame, a rotating shaft, a depth adjusting device, a furrowing soil covering shovel, a furrowing soil covering shovel fixing seat and a spring, and is characterized in that the rotating machine frame is hinged with the support through pins, so that automatic profiling and soil covering can be realized, besides, during transport, the rotating machine frame is turned forwards to be fixed with a machine frame, so that the length during transport can be reduced; the depth adjusting device is formed by welding a tappet rod with a steel pipe and is sleeved on the rotating shaft, a row of pin holes with the diameters of 8 mm are formed at the lower end of the tappet rod, and the device ensures that whe