Injection blow molding apparatus
AssigneeNissei Asb Machine Co., Ltd.
InventorsHiroshi HORIGOME, Shou TAKATO
Life of this patent
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Abstract
An injection blow molding apparatus comprises: a first oil supply section which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from an oil tank to an injection mold drive unit provided in an injection mold unit; and a second oil supply section which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from the oil tank to a blow mold drive unit provided in a blow mold unit, the second oil supply section being provided independently of the first oil supply section.
Claims7
An injection blow molding apparatus, comprising:
- an injection molding section configured to form a preform by injection molding, the injection molding section including:
- an injection unit;
- and
- an injection mold unit configured to be operated by an oil pressure;
- a blow molding section configured to blow mold the preform and including a blow mold unit;
- a first oil supply section including a hydraulic drive source and configured to supply oil from an oil tank to an injection mold drive unit of the injection mold unit, the hydraulic drive source including:
- a drive motor, whose number of revolutions is configured to be controlled;
- and a hydraulic pump;
- and
- a controller configured to control the number of revolutions of the drive motor of the first oil supply section,
- wherein the injection mold drive unit includes at least an opening/closing drive portion for opening and closing the injection mold, and
- wherein the first oil supply section is configured to supply oil from the oil tank to the opening/closing drive portion.
An injection blow molding apparatus, comprising:
- an injection molding section configured to form a preform by injection molding, the injection molding section including:
- an injection unit configured to be operated by an oil pressure;
- and
- an injection mold unit configured to be operated by an oil pressure;
- a blow molding section configured to blow mold the preform and including a blow mold unit;
- a first oil supply section including a hydraulic drive source and configured to supply oil from an oil tank to an injection mold drive unit of the injection mold unit, the hydraulic drive source including:
- a drive motor, whose number of revolutions is configured to be controlled;
- and a hydraulic pump;
- and
- a third oil supply section including a hydraulic drive source and configured to supply oil from the oil tank to an injection drive unit of the injection unit, the hydraulic drive source including:
- a drive motor, whose number of revolutions is configured to be controlled;
- and a hydraulic pump, the third oil supply section being provided independently of the first oil supply section.
Dependencies are inferred from the claim text.