JPH0234224U - - Google Patents
Info
- Publication number
- JPH0234224U JPH0234224U JP11354188U JP11354188U JPH0234224U JP H0234224 U JPH0234224 U JP H0234224U JP 11354188 U JP11354188 U JP 11354188U JP 11354188 U JP11354188 U JP 11354188U JP H0234224 U JPH0234224 U JP H0234224U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cam
- undercut
- released
- mold body
- 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.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims 3
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図〜第４図は本考案の一実施例の金型構造
に関し、第１図は型締め状態の断面図、第２図、
第３図および第４図はそれぞれ型開き時の作動を
説明する断面図である。第５図は実施例の金型構
造で成形されるクリツプの斜視図である。第６図
、第７図および第８図はそれぞれ従来の金型構造
の型開き時の作動を説明する断面図である。
１…固定型、２…可動型、３…カム、４…押出
板、５…押出棒、２０…取付板、３１…アンダカ
ツトキヤビテイ、４０…押出ピン、４１…リター
ンピン、４２…カム戻しピン（カム戻し機構）、
４３…コイルスプリング、４４…テーパ表面、１
０３…鈎部（アンダカツト部）。
Figures 1 to 4 relate to the mold structure of an embodiment of the present invention, with Figure 1 being a cross-sectional view of the mold in the clamped state, Figure 2,
FIGS. 3 and 4 are sectional views each illustrating the operation when opening the mold. FIG. 5 is a perspective view of a clip molded with the mold structure of the embodiment. FIG. 6, FIG. 7, and FIG. 8 are sectional views each illustrating the operation of the conventional mold structure when the mold is opened. 1... fixed type, 2... movable type, 3... cam, 4... extrusion plate, 5... extrusion rod, 20... mounting plate, 31... undercut cavity, 40... extrusion pin, 41... return pin, 42... cam return pin (cam return mechanism),
43...Coil spring, 44...Tapered surface, 1
03...Hook part (undercut part).
Claims (1)
より突出する方向へ駆動される押出ピンと、 成形体のアンダカツト部を形成するアンダカツ
トキヤビテイをもち該金型本体に枢支され該アン
ダカツト部を形成できる成形位置および該アンダ
カツト部を離型できる離型位置に揺動自在なカム
と、よりなる成形用金型構造において、 前記金型本体は前記アンダカツト部が前記アン
ダカツトキヤビテイから離型された後に前記カム
を前記成形位置に戻すカム戻し機構を供え、前記
押出ピンが該金型本体に収納される時に前記成形
体が該カムに当接することで該押出ピンの一端面
から該成形体を離型できる構成としたことを特徴
とする成形用金型構造。[Claims for Utility Model Registration] A mold body consisting of a plurality of split molds, an extrusion pin whose one end surface constitutes a part of the mold surface and is driven in a direction protruding from the mold surface of the mold body, and a molded article. a cam having an undercut cavity for forming an undercut portion, the cam being pivotally supported on the mold body and swingable to a molding position where the undercut portion can be formed and a mold release position where the undercut portion can be released from the mold; In the mold structure, the mold body is provided with a cam return mechanism for returning the cam to the molding position after the undercut part is released from the undercut cavity, and the ejector pin is housed in the mold body. 1. A molding die structure characterized in that when the molded body is pressed, the molded body comes into contact with the cam so that the molded body can be released from one end surface of the extrusion pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11354188U JPH0234224U (en) | 1988-08-30 | 1988-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11354188U JPH0234224U (en) | 1988-08-30 | 1988-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0234224U true JPH0234224U (en) | 1990-03-05 |
Family
ID=31353467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11354188U Pending JPH0234224U (en) | 1988-08-30 | 1988-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0234224U (en) |
-
1988
- 1988-08-30 JP JP11354188U patent/JPH0234224U/ja active Pending