VALVE GATE TYPE MOLD AND METHOD AND JIG FOR ASSEMBLING HOT RUNNER UNIT

摘要

PROBLEM TO BE SOLVED: To provide a valve gate type mold capable of reducing the adhesion of a gasified resin generated from a molten resin and capable of preventing the clogging with the resin at a time of the operation inferiority of a valve pin or at a time of the maintenance of the mold. SOLUTION: The hot runner type valve gate type mold 5 used in injection molding is equipped with the valve pin 205 fitted to the leading end part of a valve gate 218 to open and close a flow channel of a molten resin, the manifold 23 arranged to the upper part of a heater cast 214, the conical valve pin cover 26 fixed to the outlet part of the manifold and a through-hole for supplying air into the manifold.