Mold forming insert and manufacturing method thereof

The invention relates to a thermal forming mold, in particular to a mold forming insert, a manufacturing method and a thermal forming mold, the mold forming insert comprises a shell part, a core part and a cooling pipeline, the shell part comprises a cavity with an opening in the lower portion and the inner wall in conformal design with the outer surface of the shell part, and the top face of the shell part is a forming face used for forming a product to be machined; the core part is fixed in the cavity, the cooling pipeline is arranged on the core part, the cooling pipeline comprises a mass inlet channel, a conformal cooling channel and a mass outlet channel which are connected in sequence, and the conformal cooling channel is arranged close to the shell part and is adaptively designed according to the shape of the outer surface of the shell part; the shell material is reasonably selected according to the material of the product to be processed; and the thermal conductivity of the core material is not lower