A blow molding mold in which a holding mechanism is independently provided to a bottom mold and is configured to be capable of gripping a protruding portion provided to a bottom portion of a preform independently of a gate portion, and a rotation mechanism is configured to be capable of rotating the bottom mold, relative to a neck portion of the preform which is in a stationary state held by neck molds, in a state where the protruding portion is gripped by the holding mechanism.

A blow molding mold in which a holding mechanism is independently provided to a bottom mold and is configured to be capable of gripping a protruding portion provided to a bottom portion of a preform independently of a gate portion, and a rotation mechanism is configured to be capable of rotating the bottom mold, relative to a neck portion of the preform which is in a stationary state held by neck molds, in a state where the protruding portion is gripped by the holding mechanism.

A material processing method and a molding machine therefor are described. The molding machine comprises a pressing module, a heating module, and an air supplying module. The method comprises: placing material to be processed within a material molding space of the molding machine, and supplying air to an air passage provided in the material by the air supplying module; heating the material by the heating module according to a preset heating parameter; and pressing the material by the pressing module according to a preset pressing parameter.

A material processing method and a molding machine therefor are described. The molding machine comprises a pressing module, a heating module, and an air supplying module. The method comprises: placing material to be processed within a material molding space of the molding machine, and supplying air to an air passage provided in the material by the air supplying module; heating the material by the heating module according to a preset heating parameter; and pressing the material by the pressing module according to a preset pressing parameter.