| 摘要 |
Disclosed is a hot runner valve device. The hot runner valve device of the present invention comprises: a nozzle for receiving a supply of a molten resin from an injection molding cylinder, and forming an air outlet injected through a gate which forms a cavity entrance of a mold; and a resin pressure elevating pin equipped inside the nozzle for changing the elevation by the resin pressure. The hot runner valve device is capable of simplifying a structure of a driving source for driving a runner pin, thereby increasing the convenience in the treatment, the management, and the maintenance of a product. |
