INJECTION MOLDING APPARATUS FOR WORM WHEEL

An injection molding apparatus for a worm wheel of the present invention comprises: a boss injection-molding mold for integrally forming a worm wheel hub into which a worm wheel shaft is press-fit and a worm wheel boss, the boss injection-molding mold having a movable side template and a stationary...

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Main Authors CHO, Ki jung, YOO, Sung jae, CHO, Jung kwon, CHOI, Kwang ryeal, SOHN, Won bum
Format Patent
LanguageEnglish
French
Korean
Published 22.09.2016
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Abstract An injection molding apparatus for a worm wheel of the present invention comprises: a boss injection-molding mold for integrally forming a worm wheel hub into which a worm wheel shaft is press-fit and a worm wheel boss, the boss injection-molding mold having a movable side template and a stationary side template; a movable side core on which the worm wheel boss, which is integrally formed with the worm wheel hub by the boss injection-molding mold, is positioned, the movable side core being capable of moving forward and backward; a stationary side core disposed such that the inside thereof faces the movable side core and having a resin injection hole at the outside thereof; a product injection-molding mold disposed inside the movable side core and having a worm gear tooth-form core on the inner peripheral surface thereof, which is configured in the gear tooth form of a worm gear; and an extracting means for extracting a worm wheel product having a worm gear formed by the product injection-molding mold, wherein the extracting means includes: a plurality of extracting pins coupled through the movable side core; an extracting plate to which end portions of the extracting pins are fixedly coupled; and a guide means for guiding the rotation of the worm gear tooth-form core when the worm wheel product is extracted. La présente invention concerne un appareil de moulage par injection pour une roue à vis sans fin, comprenant : un moule de moulage de bossage par injection pour la formation d'un seul tenant d'un moyeu de roue à vis sans fin dans lequel un arbre de roue à vis sans fin est ajusté à la presse et d'un bossage de roue à vis sans fin, le moule de moulage de bossage par injection ayant un gabarit latéral mobile et un gabarit latéral fixe ; un noyau latéral mobile sur lequel le bossage de roue à vis sans fin, qui est formé d'un seul tenant avec le moyeu de roue à vis sans fin par le moule de moulage de bossage par injection, est positionné, le noyau latéral mobile pouvant se déplacer vers l'avant et vers l'arrière ; un noyau latéral fixe disposé de façon telle que sa surface intérieure est en regard du noyau latéral mobile et dont la surface extérieure comprend un trou d'injection de résine ; un moule de moulage de produit par injection disposé à l'intérieur du noyau latéral mobile et comprenant un noyau en forme de dent d'engrenage à vis sans fin sur sa surface périphérique interne, qui est sous la forme de dent d'engrenage d'un engrenage à vis sans fin ; et un moyen d'extraction pour l'extraction d'un produit roue à vis sans fin comprenant un engrenage à vis sans fin formé par le moule de moulage de produit par injection, le moyen d'extraction comprenant : une pluralité de broches d'extraction reliées au moyen du noyau latéral mobile ; une plaque d'extraction à laquelle des parties d'extrémité des broches d'extraction sont reliées de manière fixe ; et un moyen de guidage pour le guidage de la rotation du noyau en forme de dent d'engrenage à vis sans fin lorsque le produit roue à vis sans fin est extrait. 본 발명의 웜휠용 사출성형장치는 웜휠 샤프트가 압입되어 끼워진 웜휠 허브와 웜휠 보스를 일체로 성형하기 위한 가동측 형판과 고정측 형판을 갖는 보스 사출금형과, 보스 사출금형에 의해 웜휠 허브와 일체화된 웜휠 보스가 안착되고 전,후진 이동 가능한 가동측 코어와, 내측면이 가동측 코어에 서로 마주보도록 배치되고 외측에 수지 주입구를 갖는 고정측 코어와, 가동측 코어의 내측에 배치되고 내주면에 워엄 기어의 기어이 형태로 구성된 웜기어 치형 코어를 갖는 제품 사출금형과, 제품 사출금형에 의해 워엄기어가 형성된 웜휠 제품을 취출시키는 취출수단으로 구성되며, 취출수단은 가동측 코어에 관통되도록 결합되는 복수의 취출핀과, 취출핀의 단부가 고정되도록 결합되는 취출 플레이트와, 웜휠 제품의 취출시 웜기어 치형 코어의 회전을 가이드하는 가이드수단으로 구성된다.
AbstractList An injection molding apparatus for a worm wheel of the present invention comprises: a boss injection-molding mold for integrally forming a worm wheel hub into which a worm wheel shaft is press-fit and a worm wheel boss, the boss injection-molding mold having a movable side template and a stationary side template; a movable side core on which the worm wheel boss, which is integrally formed with the worm wheel hub by the boss injection-molding mold, is positioned, the movable side core being capable of moving forward and backward; a stationary side core disposed such that the inside thereof faces the movable side core and having a resin injection hole at the outside thereof; a product injection-molding mold disposed inside the movable side core and having a worm gear tooth-form core on the inner peripheral surface thereof, which is configured in the gear tooth form of a worm gear; and an extracting means for extracting a worm wheel product having a worm gear formed by the product injection-molding mold, wherein the extracting means includes: a plurality of extracting pins coupled through the movable side core; an extracting plate to which end portions of the extracting pins are fixedly coupled; and a guide means for guiding the rotation of the worm gear tooth-form core when the worm wheel product is extracted. La présente invention concerne un appareil de moulage par injection pour une roue à vis sans fin, comprenant : un moule de moulage de bossage par injection pour la formation d'un seul tenant d'un moyeu de roue à vis sans fin dans lequel un arbre de roue à vis sans fin est ajusté à la presse et d'un bossage de roue à vis sans fin, le moule de moulage de bossage par injection ayant un gabarit latéral mobile et un gabarit latéral fixe ; un noyau latéral mobile sur lequel le bossage de roue à vis sans fin, qui est formé d'un seul tenant avec le moyeu de roue à vis sans fin par le moule de moulage de bossage par injection, est positionné, le noyau latéral mobile pouvant se déplacer vers l'avant et vers l'arrière ; un noyau latéral fixe disposé de façon telle que sa surface intérieure est en regard du noyau latéral mobile et dont la surface extérieure comprend un trou d'injection de résine ; un moule de moulage de produit par injection disposé à l'intérieur du noyau latéral mobile et comprenant un noyau en forme de dent d'engrenage à vis sans fin sur sa surface périphérique interne, qui est sous la forme de dent d'engrenage d'un engrenage à vis sans fin ; et un moyen d'extraction pour l'extraction d'un produit roue à vis sans fin comprenant un engrenage à vis sans fin formé par le moule de moulage de produit par injection, le moyen d'extraction comprenant : une pluralité de broches d'extraction reliées au moyen du noyau latéral mobile ; une plaque d'extraction à laquelle des parties d'extrémité des broches d'extraction sont reliées de manière fixe ; et un moyen de guidage pour le guidage de la rotation du noyau en forme de dent d'engrenage à vis sans fin lorsque le produit roue à vis sans fin est extrait. 본 발명의 웜휠용 사출성형장치는 웜휠 샤프트가 압입되어 끼워진 웜휠 허브와 웜휠 보스를 일체로 성형하기 위한 가동측 형판과 고정측 형판을 갖는 보스 사출금형과, 보스 사출금형에 의해 웜휠 허브와 일체화된 웜휠 보스가 안착되고 전,후진 이동 가능한 가동측 코어와, 내측면이 가동측 코어에 서로 마주보도록 배치되고 외측에 수지 주입구를 갖는 고정측 코어와, 가동측 코어의 내측에 배치되고 내주면에 워엄 기어의 기어이 형태로 구성된 웜기어 치형 코어를 갖는 제품 사출금형과, 제품 사출금형에 의해 워엄기어가 형성된 웜휠 제품을 취출시키는 취출수단으로 구성되며, 취출수단은 가동측 코어에 관통되도록 결합되는 복수의 취출핀과, 취출핀의 단부가 고정되도록 결합되는 취출 플레이트와, 웜휠 제품의 취출시 웜기어 치형 코어의 회전을 가이드하는 가이드수단으로 구성된다.
Author CHO, Ki jung
SOHN, Won bum
CHO, Jung kwon
CHOI, Kwang ryeal
YOO, Sung jae
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Snippet An injection molding apparatus for a worm wheel of the present invention comprises: a boss injection-molding mold for integrally forming a worm wheel hub into...
SourceID epo
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SubjectTerms AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Title INJECTION MOLDING APPARATUS FOR WORM WHEEL
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