Rubber mould pressing mould for cylindrical metal joint with extension section and forming method

The invention discloses a rubber mold pressing mold for a cylindrical metal joint with an extension section and a forming method, relates to the technical field of rubber mold pressing forming, and solves the problems that an existing cylindrical metal joint is prone to rubber sheet curling, accumulation and blockage. A transition mold is arranged on a mold pressing base, a sectioning middle mold is placed above the transition mold, a metal connector is arranged outside the transition mold and the sectioning middle mold in a sleeving mode, and a heat insulation rubber sheet is arranged between the metal connector and the sectioning middle mold; a pressurizing middle mold is inserted into the sectioning middle mold, and an upper pressing plate is arranged at the upper end of the sectioning middle mold; the upper pressing plate and the mold pressing base are connected through an outer positioning mold, and a plurality of handrail screws are arranged on the outer positioning mold. And the end part of the handrai