Abstract: A blow molding apparatus includes a machine bed, an upper base disposed at intervals in a vertical direction from the machine bed, a transport plate configured to rotate at a height position of the upper base to convey the preform between an injection molding part and a blow molding part, and an elevation mechanism configured to move the transport plate or the upper base up and down in the vertical direction with respect to a mold disposed on the machine bed. A support pillar includes a height adjusting part configured to adjust a stroke of the transport plate or the upper base in the vertical direction with respect to the machine bed.

Abstract: Provided is a blow molding machine including an injection molding unit and a blow molding unit, wherein the injection molding unit includes a preform mold and an injection device configured to supply resin to the preform mold, wherein the injection device is fixed to a support plate, and wherein the support plate includes a position adjustment mechanism capable of adjusting a position of the injection device in an upper and lower direction with respect to the preform mold.

Abstract: A blow molding apparatus for manufacturing a resin container by blow molding a preform having a bottomed cylindrical shape includes: a pair of mold clamping plates that openably and closably supports a pair of blow split molds accommodating the preform; linear motion mechanisms that drive the pair of mold clamping plates in an opening and closing direction and apply a mold clamping force to the mold clamping plate at a time of mold closing; and a lock member that interferes with a lower end side of the mold clamping plate at a mold closing position of the blow split mold and restricts movement of the mold clamping plate in a mold opening direction.

Abstract: A blow molding device includes: a base; an injection molding unit manufacturing a bottomed preform made of resin; a blow molding unit; a support part supporting the preform; and a conveying unit conveying the support part to the blow molding unit. The blow molding unit includes: a blow mold; a movement unit capable of moving the blow mold relative to the support part; one mold opening and closing mechanism; and a pair of mold opening and closing plates connected to the mold opening and closing mechanism. The moving unit is configured to move the blow mold in a non-coupling state to a position between the pair of mold opening and closing plates, the blow mold in the non-coupling state being not coupled to the pair of mold opening and closing plates and not located between the pair of mold opening and closing plates.

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.

Abstract: A blow molding machine includes a support member that supports a mold component and a moving mechanism that moves the support member to a projecting position toward the outside of the machine and to a storing position. The machine includes a first fixed fulcrum shaft. The support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion having a first movable fulcrum shaft. The moving mechanism has rotatably interconnected links. One link is rotatably supported by the movable fulcrum shaft. In the projecting position, the links are maintained linearly by a first angle fixing tool to serve as a leg portion that supports the support member's free end portion.

Abstract: A blow molding apparatus includes: a temperature adjusting unit configured to supply a preform with cooling air to perform a temperature adjustment of the preform, the preform having been inj ection-molded, having a bottomed shape and made of a resin; a blow molding unit configured to blow-mold the preform that has been subjected to a temperature adjustment with blow air, and configured to manufacture a container made of a resin; an air tank configured to supply the temperature adjusting unit with the cooling air; and a recovery unit configured to recover the blow air exhausted from the blow molding unit into the air tank.

Abstract: A temperature adjusting unit of a blow molding apparatus includes: a first drive unit configured to drive a core mold, from which the cooling air is supplied, in a first direction; a second drive unit configured to drive a cavity mold that accommodates the preform in a second direction; a first lock portion configured to restrict a movement of the first drive unit in the second direction at a first position where the core mold is inserted into the preform; and a second lock portion configured to restrict a movement of the second drive unit in the first direction at a second position where the preform is accommodated in the cavity mold.

Abstract: A manufacturing method includes an injection molding process of injection-molding a preform having a two-layer structure including an outer layer preform and an inner layer preform, and a blow molding process of blow molding the preform to mold a delamination container made of resin. The injection molding process includes an outer layer molding process of filling an outer layer injection mold with PET (outer layer resin material) to mold the outer layer preform and molding a thin film portion in a part of the outer layer preform, and an inner layer molding process of injecting PP (inner layer resin material) toward the thin film portion to break the thin film portion and filling an inner layer injection mold with PP having a temperature lower than a melting point of PET via the broken thin film portion to mold the inner layer preform.

Abstract: A blow molding machine includes a support member that supports a mold component and a moving mechanism that moves the support member to a projecting position toward the outside of the machine and to a storing position. The machine includes a first fixed fulcrum shaft. The support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion having a first movable fulcrum shaft. The moving mechanism has rotatably interconnected links. One link is rotatably supported by the movable fulcrum shaft. In the projecting position, the links are maintained linearly by a first angle fixing tool to serve as a leg portion that supports the support member's free end portion.

Abstract: A blow molding apparatus includes a machine bed, an upper base disposed at intervals in a vertical direction from the machine bed, a transport plate configured to rotate at a height position of the upper base to convey the preform between an injection molding part and a blow molding part, and an elevation mechanism configured to move the transport plate or the upper base up and down in the vertical direction with respect to a mold disposed on the machine bed. A support pillar includes a height adjusting part configured to adjust a stroke of the transport plate or the upper base in the vertical direction with respect to the machine bed.

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.

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.

Abstract: A blow molding device includes: a base; an injection molding unit manufacturing a bottomed preform made of resin; a blow molding unit; a support part supporting the preform; and a conveying unit conveying the support part to the blow molding unit. The blow molding unit includes: a blow mold; a movement unit capable of moving the blow mold relative to the support part; one mold opening and closing mechanism; and a pair of mold opening and closing plates connected to the mold opening and closing mechanism. The moving unit is configured to move the blow mold in a non-coupling state to a position between the pair of mold opening and closing plates, the blow mold in the non-coupling state being not coupled to the pair of mold opening and closing plates and not located between the pair of mold opening and closing plates.

Abstract: Provided is a blow molding machine including an injection molding unit and a blow molding unit, wherein the injection molding unit includes a preform mold and an injection device configured to supply resin to the preform mold, wherein the injection device is fixed to a support plate, and wherein the support plate includes a position adjustment mechanism capable of adjusting a position of the injection device in an upper and lower direction with respect to the preform mold.

Abstract: Provided is a blow molding machine including an injection molding unit and a blow molding unit, wherein the injection molding unit includes a preform mold and an injection device configured to supply resin to the preform mold, wherein the injection device is fixed to a support plate, and wherein the support plate includes a position adjustment mechanism capable of adjusting a position of the injection device in an upper and lower direction with respect to the preform mold.

Abstract: A blow molding device including: an injection molding unit manufacturing a bottomed preform made of resin; a blow molding unit; a support part supporting the preform; and a conveying unit conveying the support part to the blow molding unit, wherein the blow molding unit includes: a first mold for performing a first step of subjecting the preform to heat-set blowing at a first temperature; a second mold for performing a second step of blow-molding an intermediate molded article, which has been blow-molded by the heat-set blowing, at a second temperature lower than the first temperature, thereby manufacturing a container; and a movement unit capable of moving the first mold and the second mold relative to the support part so as to perform the first step and the second step continuously.

Abstract: A blow molding machine includes a support member and a moving mechanism that moves the support member to a projecting position a storing position. The blow molding machine includes a first fixed fulcrum shaft, and the support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion provided with a first movable fulcrum shaft. The moving mechanism includes a plurality of links connected rotatably to each other, one of the plurality of links being rotatably supported by the movable fulcrum shaft of the support member, and, when the support member is set at the projecting position, the plurality of links are maintained linearly by a first angle fixing tool, thereby enabling the plurality of links to serve as a leg portion that supports the free end portion of the support member.

Abstract: A blow molding machine includes a support member that supports a mold component and a moving mechanism that moves the support member to a projecting position toward the outside of the machine and to a storing position. The machine includes a first fixed fulcrum shaft. The support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion having a first movable fulcrum shaft. The moving mechanism has rotatably interconnected links. One link is rotatably supported by the movable fulcrum shaft. In the projecting position, the links are maintained linearly by a first angle fixing tool to serve as a leg portion that supports the support member's free end portion.

Abstract: A biaxial stretch blow molding device comprises: a first guide shaft which is erected on an upper base and to which a blow core fixing member is slidably coupled; a second guide shaft erected on the stretch rod fixing member; a support member fixed to the first guide shaft and provided with a guide hole through which the second guide shaft is slidably inserted; a first drive device that moves the blow core fixing member forward and backward independently of the stretch rod fixing member; and a second drive device that moves the stretch rod fixing member forward and backward independently of the blow core fixing member.