Device for automatically removing protective film of building partition wall slat made by extrusion forming of light-weight aggregates and film removing method thereof

The invention provides a device for automatically removing a protective film of a building partition wall slat which is made by extrusion forming of light-weight aggregates. The device comprises a turning machine, a left automatic inserted slat splitting/combining machine, a convex pneumatic pressure carrier slat automatic splitting/combining machine, a right automatic inserted slat splitting/combining machine and an operating desk, wherein the turning machine and the convex pneumatic pressure carrier slat automatic splitting/combining machine are integrated, the included angle between the load bearing platform of the turning machine and the load bearing platform of the convex pneumatic pressure carrier slat automatic splitting/combining machine is 90 degrees, the left automatic inserted slat splitting/combining machine and the right automatic inserted slat splitting/combining machine are distributed on two sides of the convex pneumatic pressure carrier slat automatic splitting/combining machine, and the oper