TEE JOINT SHAPING MOULD AND METHOD FOR SHAPING TEE JOINT

摘要

Disclosed is a tee joint shaping mould composed by combining an upper mould (11) and a lower mould (12), with the upper mould (11) and lower mould (12) being provided symmetrically with a semi-circular groove-shaped cavity for accommodating a tee joint work piece, the cavity having openings on lateral parts of the upper and lower moulds (11, 12), the cavity being in communication with a tee joint branch pipe chamber (140), a supporting rod (141) able to be reciprocatingly displaced being provided in the tee joint branch pipe chamber (140), and a supporting cylinder (14) being connected to the supporting rod (141) with pressure transferred via the supporting cylinder (14). A tee joint branch pipe is formed by the filling of a medium in the tee joint work piece and the action of a hydraulic pressure in the tee joint branch pipe chamber (140) from a hydraulic cylinder (13). Also disclosed is a shaping method using the tee joint shaping mould. The products produced by using the tee joint shaping mould and the tee joint shaping method have a relatively high quality of appearance, good consistency in the final products, and the U-shaped bend of the tee joint has a smooth transition, and the outer diameters of the tee joint at various places are able to achieve the requirement of equal diameters.