Injection blow molding machine

An injection blow molding machine comprising:

• a machine bed having a substantially horizontal surface for mounting the operating stages of the molding machine thereon;
• four operation stages being disposed on the horizontal surface of the machine bed, such stages being an injection molding stage, a heating stage, a stretching and blowing stage and a releasing stage;
• a base plate disposed parallel to and above the horizontal surface of the machine bed;
• a rotary disk rotatably attached to the under-surface of the base plate;
• the rotary disk being provided with four neck molds, each of said neck molds being disposed correspondingly to one of said operation stages;
• a motor secured to a middle portion of said base plate, said motor having a drive shaft which passes through the rotary disk;
• an arm attached at one end thereof to the lower end of the drive shaft of the motor and at the other end thereof to a connecting pin, the connecting pin means being engagable with the rotary disk to intermittently rotate the rotary disk to respective ones of said operation stages;
• a mold closing mechanism associated with the injection molding stage;
• a heating core inserting mechanism associated with the heating stage to heat a parison from the injection molding stage;
• a stretching and blowing mechanism associated with the stretching and blowing stage to stretch and blow the heated parison from the heating stage;
• a molded product releasing mechanism associated with the releasing stage to release the stretched and blown molded product from the stretching and blowing stage;
• the mold closing mechanism, heating core, stretching and blowing mechanism, and product releasing mechanism being secured on the periphery of the base plate and positioned respectively in the injection molding, heating, stretching and blowing, and releasing stages;
• injection mold, blow molds and heating cylinders being disposed in the space between the machine bed and the base plate;
• and
• hydraulic means associated with each of said mechanisms for the selective actuation thereof.