A molding machine of the present invention allows a product to be molded in in a cavity of an inner space of a mold (114) in state in which the mold (114) equipped with the cavity for molding a product in the inner space is closed by being installed at a machine body (110) and comprises: a motor (112) which is installed at the machine body (110); a pair of retaining link parts (124) which are installed at the machine body (110) in order to be rotated while being connected to a motor shaft of the motor (112) and are arranged at both sides in order to be symmetrized by being based on the motor (112); a pair of fixation mold plates (116) which are supported by the machine body (110) in order to be arranged at an outside of the motor (112); an operation mold plate (117) which is arranged at a position facing the fixation mold plate (116), is supported by the machine body (110) in order to be close to the fixation mold plate (116) and allows the outside to be connected to one retaining link part (124) among a pair of the retaining link parts (124); and a retaining unit (120) which applies elastic force supporting the mold (114) when molding materials are molded by inserting the molding materials into the cavity of the inner space of the mold (114) by pressurizing the mold (114) by the operation mold plate (117) arranged at one mold forming plate among a pair of mold forming plates forming the mold (114).
