JPH0374915U - - Google Patents
Info
- Publication number
- JPH0374915U JPH0374915U JP13696189U JP13696189U JPH0374915U JP H0374915 U JPH0374915 U JP H0374915U JP 13696189 U JP13696189 U JP 13696189U JP 13696189 U JP13696189 U JP 13696189U JP H0374915 U JPH0374915 U JP H0374915U
- Authority
- JP
- Japan
- Prior art keywords
- extrusion plate
- mold
- movable mold
- molded body
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図〜第３図は本考案の一実施例の２色成形
用金型に関し、第１図は成形完了時の要部断面図
、第２図は離型初期の要部断面図、第３図は離型
末期の要部断面図である。第４図〜第９図は本考
案とは別のアンダーカツト処理機構を示す参考図
であり、第４図、第５図および第６図は傾斜ピン
を利用した場合を示す説明図、第７図はアンダー
カツト部の形状を変更した場合を示す説明図、第
８図は傾斜コアを用いた場合を示す説明図、第９
図は油圧シリンダを用いた場合を示す説明図であ
る。
１……可動型、２……第２固定型、３……第１
押出し板、４……第２押出し板、５……ドツグレ
ツグカム、６……押出しピン、７……位置決めカ
ラー、８……リターンピン、１０……スライドコ
ア、１１……ガイド溝、２０……一次成形体、２
２……二次成形体、２１……アンダーカツト部、
４０……スプリング、５０……軸部、５１……頭
部。
Figures 1 to 3 relate to a two-color molding mold according to an embodiment of the present invention, in which Figure 1 is a cross-sectional view of the main part when molding is completed, Figure 2 is a cross-sectional view of the main part at the initial stage of mold release, and Fig. Figure 3 is a sectional view of the main part at the final stage of mold release. 4 to 9 are reference diagrams showing an undercut processing mechanism different from the present invention, and FIGS. 4, 5, and 6 are explanatory diagrams showing a case where an inclined pin is used, and The figure is an explanatory diagram showing the case where the shape of the undercut part is changed, Fig. 8 is an explanatory diagram showing the case where an inclined core is used, and Fig. 9
The figure is an explanatory diagram showing a case where a hydraulic cylinder is used. 1...movable type, 2...second fixed type, 3...first
Extrusion plate, 4... Second extrusion plate, 5... Dogleg cam, 6... Extrusion pin, 7... Positioning collar, 8... Return pin, 10... Slide core, 11... Guide groove, 20... Primary Molded body, 2
2...Secondary molded body, 21...Undercut part,
40... Spring, 50... Shaft, 51... Head.
Claims (1)
する第１固定型と、該可動型とともに該一次成形
体と隣接する二次成形体を形成する第２固定型と
、型開き方向と交差する方向へ移動自在に該可動
型に摺接し該一次成形体のアンダーカツト部を形
成するスライドコアと、該可動型に近接する方向
および遠ざかる方向に駆動される第１押出し板と
、該第１押出し板と該可動型との間に介在し該第
１押出し板からの押圧力により該可動型に近接す
る方向および遠ざかる方向に駆動される第２押出
し板と、一端が該第１押出し板に固定され該第１
押出し板の駆動方向に延びる軸部と該軸部の他端
から該軸部の軸方向に体して傾斜して延びる頭部
とよりなり該スライドコアと係合してスライド移
動させるカムと、一端が該第２押出し板に固定さ
れ該第２押出し板の駆動により他端が該可動型の
型面から突出する押出しピンと、よりなり、 前記一次成形体および前記二次成形体が形成さ
れ前記第２固定型と前記可動型とが型開きされた
後に前記第１押出し板が駆動され次いで前記第２
押出し板が駆動される構成としたことを特徴とす
る２色成形用金型。[Claims for Utility Model Registration] A movable mold, a first fixed mold that forms a primary molded body together with the movable mold, and a second fixed mold that forms a secondary molded body that is adjacent to the primary molded body together with the movable mold. a slide core movably movable in a direction intersecting the mold opening direction and slidingly in contact with the movable mold to form an undercut portion of the primary molded body; an extrusion plate, a second extrusion plate interposed between the first extrusion plate and the movable mold and driven in a direction toward and away from the movable mold by a pressing force from the first extrusion plate; is fixed to the first extrusion plate and the first
A cam consisting of a shaft portion extending in the driving direction of the extrusion plate and a head portion extending from the other end of the shaft portion at an angle in the axial direction of the shaft portion, and engages with the slide core and slides the cam; an extrusion pin whose one end is fixed to the second extrusion plate and whose other end protrudes from the mold surface of the movable mold when the second extrusion plate is driven; After the second fixed mold and the movable mold are opened, the first extrusion plate is driven, and then the second
A two-color molding die characterized in that the extrusion plate is driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13696189U JPH0533309Y2 (en) | 1989-11-27 | 1989-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13696189U JPH0533309Y2 (en) | 1989-11-27 | 1989-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0374915U true JPH0374915U (en) | 1991-07-26 |
| JPH0533309Y2 JPH0533309Y2 (en) | 1993-08-25 |
Family
ID=31684140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13696189U Expired - Lifetime JPH0533309Y2 (en) | 1989-11-27 | 1989-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533309Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003025389A (en) * | 2001-07-13 | 2003-01-29 | Olympus Optical Co Ltd | Mold for injection molding cylindrical molding and method for injection molding |
| JP2020021833A (en) * | 2018-08-01 | 2020-02-06 | 株式会社ケーヒン | Electronic control device and manufacturing method thereof |
-
1989
- 1989-11-27 JP JP13696189U patent/JPH0533309Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003025389A (en) * | 2001-07-13 | 2003-01-29 | Olympus Optical Co Ltd | Mold for injection molding cylindrical molding and method for injection molding |
| JP4659286B2 (en) * | 2001-07-13 | 2011-03-30 | オリンパス株式会社 | Cylindrical molded product injection mold and injection molding method |
| JP2020021833A (en) * | 2018-08-01 | 2020-02-06 | 株式会社ケーヒン | Electronic control device and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533309Y2 (en) | 1993-08-25 |
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