BLOW MOLDING MACHINE

PROBLEM TO BE SOLVED: To enable both blow molding splits to operate irrespective of the other by providing the blow molding splits having at least, two drive units with an independent conveying device and mounting each of outer mold fitting plates supported by each of outer bearing brackets on at least, one of the drive units. SOLUTION: Two bearing brackets 12, 14 are pivotally supported, in a freely sliding manner, on two cylindrical bars 16 or slide rails laid on a flay beamless base frame 10 for a blow molding machine. Each of the bearing brackets 12, 14 supports each of mold fitting plates 18, 20 and the mold fitting plates 18, 20 have blow molding splits 22, 24 fixed in a rapidly detachable manner. A conveying device 34 for shuttling the blow molding splits 22, 24 back/forth is arranged below the bearing brackets 12, 14, and at least, two individually independent drive units of the same type are provided for the conveying device 34. In addition, each of the outer bearing brackets 12, 14 for supporting the mold fitting plates 18, 20 is equipped with at least, one drive unit. This drive unit is made up of a fixed threaded bar for a function combining member 36 and a drive motor 38.