JPH0388715U

JPH0388715U -

Info

Publication number: JPH0388715U
Application number: JP15227089U
Authority: JP
Priority date: 1989-12-27
Filing date: 1989-12-27
Publication date: 1991-09-10

Description

[Brief explanation of the drawing]

第１図は樹脂成形用金型の一実施例における型
締め状態における要部断面図、第２図は第１図に
おける−線矢視断面図、第３図は型開き後に
、分割型をアンダカツト部から離脱させた状態の
要部断面図、第４図は成形体の離型が完了した状
態を示す要部断面図である。１……固定金型、２……可動金型、３……成形
体、５……コア金型、６……アンダカツト部、７
……分割型、８……エジエクターロツド、９……
リンク機構。 Fig. 1 is a cross-sectional view of the main parts of an embodiment of a resin molding mold in a clamped state, Fig. 2 is a cross-sectional view taken along the - line in Fig. 1, and Fig. 3 is an undercut of the split mold after opening the mold. FIG. 4 is a cross-sectional view of the main part showing a state in which the molded article has been released from the mold. DESCRIPTION OF SYMBOLS 1... Fixed mold, 2... Movable mold, 3... Molded object, 5... Core mold, 6... Undercut part, 7
...Divided type, 8... Ejector rod, 9...
link mechanism.

Claims

[Scope of Claim for Utility Model Registration] A resin molding mold for injection molding a molded article having an undercut portion using a fixed mold and a movable mold that can move forward and backward relative to the fixed mold, The movable mold is provided with a split mold which is separated from the core mold which forms the main part thereof and corresponds to the undercut portion of the molded body, and between the split mold and the core mold is the fixed mold. An ejector rod is provided that can freely move forward and backward relative to the ejector rod, and the split mold and the core mold are connected by a link mechanism via the ejector rod, and when the ejector rod is ejected, the link mechanism A mold for resin molding, characterized in that the split mold is separated from the undercut portion by a mechanism.