Collaring machine for end face of plastic pipe

The utility model provides a collaring machine for the end face of a plastic pipe and relates to equipment used for processing a plastic pipe. The provided collaring machine for the end face of the plastic pipe is simple in structure, portable and easy to use, can not be influenced by a construction environment anywhere, is not limited by length of a delivery pipe and can be used for processing a flange, a turn-over side or an integrated flange and turn-over side on the end face of a pipe. The collaring machine for the end face of the plastic pipe is provided with a machine base, a fixture, a heating cap, an electric heating tube, an extruding and moulding disc and a push-pull cylinder, wherein the fixture is arranged on the machine base, the heating cap is arranged behind the fixture, a hollow cavity and a heat dissipation hole are formed in the heating cap, the electric heating tube is provided with a shell and an electric heating element arranged inside the shell, the electric heating pipe is connected with the heating cap and is communicated with the heating cap, the extruding and moulding disc is arranged behind the fixture, the extruding and moulding disc is internally provided with an interlining and an annular groove which surrounds the interlining and is used for collaring and moulding, a radial cap of the heating cap is arranged outside the extruding and moulding disc, the push-pull cylinder is arranged on the machine base, a piston of the push-pull cylinder is connected with the rear end of the extruding and moulding disc, and the extruding and moulding disc is in sliding fit with the heating cap by virtue of a sliding rail.