| 摘要 |
The present invention discloses a hot runner valve device for injection molding. The hot runner valve device for injection molding of the present invention is mounted on one side of a manifold to guide a resin to a cavity side of a mold by receiving the resin. Provided is the hot runner valve device for injection molding, comprising a nozzle which winds a heater on an outer peripheral surface and which is provided with a penetrated center; a lift pin which controls the flow of resin by being installed inside the nozzle to be moved up and down; a cylinder which receives a supply of operating pressure; and a piston which is connected to one end of the lift pin for being installed inside the cylinder to be moved up and down by the operating pressure. |
