Separate telescopic tongue style cylindric mould

The utility model discloses a separate telescopic tongue plate style cylindric mould, which comprises a big steel mould and an internal corner mould. The panels of the big steel mould and the internal corner mould are extended in a tongue type and are connected through a connecting piece, and the back ridges of the big steel mould and the internal corner mould are connected with an integral inner steel frame through an adjustable screw bolt. With simple and convenient operation, the utility model can effectively reduce the labour intensity of workers and improve the concrete pouring quality.