JPS61191205U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例を示すもので成形
品本体開口部内に蓋部を形成する場合の金型の断
面図、第２図は第１図に示す状態における可動型
の平面図、第３図は同実施例における蓋部を形成
しない場合の金型の断面図、第４図は第３図に示
す状態における可動型の平面図、第５図、第６図
は同実施例の金型で成形する成形品本体開口部を
それぞれ示すもので、第５図は蓋部を形成した状
態を示す斜視図、第６図は蓋部を形成しない状態
を示す斜視図、第７図、第８図は従来の金型の使
用態様を示すそれぞれ断面図である。 １，１１……金型、２，１２……固定型、２ａ
，１２ａ……キヤビテイ用型面、２ｂ，１２ｂ…
…本体用凹部、２ｃ，１２ｃ……蓋部用凹部、３
，１３……可動型、３ａ，１３ａ……キヤビテイ
用型面、４，５，１４……入子、４ａ，１４ａ…
…リブ用凹部、Ｘ……成形品本体、Ｏ……開口部
、Ｌ……リブ、Ｃ……蓋部。 FIG. 1 shows an embodiment of this invention, and is a cross-sectional view of a mold for forming a lid inside the opening of a molded product body, and FIG. 2 is a plan view of a movable mold in the state shown in FIG. 1. FIG. 3 is a cross-sectional view of the mold in the same embodiment when no lid is formed, FIG. 4 is a plan view of the movable mold in the state shown in FIG. 3, and FIGS. 5 and 6 are of the same embodiment. The openings of the main body of the molded product to be molded with the mold are shown, respectively. FIG. 5 is a perspective view showing a state in which a lid is formed, FIG. 6 is a perspective view showing a state in which a lid is not formed, and FIG. FIG. 8 is a cross-sectional view showing how a conventional mold is used. 1, 11... Mold, 2, 12... Fixed mold, 2a
, 12a...Mold surface for cavity, 2b, 12b...
...Recess for main body, 2c, 12c...Recess for lid, 3
, 13... Movable mold, 3a, 13a... Cavity mold surface, 4, 5, 14... Insert, 4a, 14a...
...Recessed portion for ribs, X... Molded product body, O... Opening, L... Rib, C... Lid.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 成形品本体の開口部内に所望時開口部周縁から
連なるリブによつて蓋部が成形可能な固定型・可
動型及び入子を具備する成形用金型であつて、前
記固定型及び可動型の一方のキヤビテイ用型面に
は前記成形品本体成形用の本体用凹部と該本体用
凹部から独立して前記蓋部成形用の蓋部用凹部と
が形成され、前記固定型及び可動型の他方のキヤ
ビテイ用型面には、型閉時前記本体用凹部と蓋部
用凹部とを連通可能とする前記リブ成形用のリブ
用凹部を端面に備えるとともに、型閉方向に回動
軸を備えて、回動時前記リブ用凹部を前記本体用
凹部から離脱可能とする入子が配設されているこ
とを特徴とする成形円金型。 A molding die comprising a fixed mold, a movable mold, and an insert, in which a lid part can be molded by ribs extending from the periphery of the opening when desired in the opening of a molded product body, the molding die comprising a fixed mold and a movable mold. A main body recess for molding the molded product main body and a lid recess for molding the lid independently from the main body recess are formed on one cavity mold surface, and the other of the fixed mold and the movable mold The mold surface for the cavity is provided with a rib recess for forming the rib on the end surface to enable communication between the main body recess and the lid recess when the mold is closed, and a rotation shaft in the mold closing direction. . A circular mold for forming a mold, characterized in that an insert is provided to enable the rib recess to be removed from the main body recess during rotation.