JPS5997009U - Undercut molding device for synthetic resin molds - Google Patents
Undercut molding device for synthetic resin moldsInfo
- Publication number
- JPS5997009U JPS5997009U JP19759782U JP19759782U JPS5997009U JP S5997009 U JPS5997009 U JP S5997009U JP 19759782 U JP19759782 U JP 19759782U JP 19759782 U JP19759782 U JP 19759782U JP S5997009 U JPS5997009 U JP S5997009U
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- boss portion
- undercut
- base surface
- pin
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、本考案装置を用いて成形した成形品の1例を
反転させて示した斜面図、第2図は実施の1例を型開き
直後の状態で示した縦断面図、第3図は第2図中■−■
線断面図、第4薗はエゼクタプレートの進出初期の時点
における第2図と同様の縦断面図、第5図は第4図中■
−■線断面図、第6図はエゼクタプレートが更に進出し
た時点における第2図と同様の縦断面図、第7図は第6
図中■−■線断面図、第8図はエゼクタプレートの′
進中終期における第2図と同様の縦断面図、第9図は第
8図中IX−IX線断面図、第10図は第1図に示すも
のの縦断面図、第11図は従来方法によつぞ成形された
成形品の縦断面図である。
1:ボス部、2.3.4:補強リブ、5:基体、 ゛
6:基体の表面、7:ボス部端面、8:アンダカット部
、9:可動金型、10. 11. 12. 13:キャ
ビティ、14:エゼクタビン、15:ピン溝、19:入
子、26. 27:螺旋溝、28. 29:突子。
・8 30 5
\BFig. 1 is an inverted perspective view of an example of a molded product molded using the device of the present invention, Fig. 2 is a vertical cross-sectional view of an example of the embodiment immediately after opening the mold, and Fig. 3 The figure is in Figure 2 ■-■
Linear cross-sectional view, No. 4 is a longitudinal cross-sectional view similar to that in Fig. 2 at the initial stage of ejector plate advancement, and Fig. 5 is the same as ■ in Fig. 4.
-■ line sectional view, Figure 6 is a longitudinal sectional view similar to Figure 2 at the time when the ejector plate has advanced further, and Figure 7 is the 6th line sectional view.
The sectional view taken along the line ■-■ in the figure, and Figure 8 is the
9 is a sectional view taken along the line IX-IX in FIG. 8, FIG. 10 is a longitudinal sectional view of the same as shown in FIG. FIG. 3 is a vertical cross-sectional view of a molded product. 1: Boss portion, 2.3.4: Reinforcing rib, 5: Base body, ゛6: Surface of base body, 7: End face of boss portion, 8: Undercut portion, 9: Movable mold, 10. 11. 12. 13: cavity, 14: ejector bin, 15: pin groove, 19: insert, 26. 27: Spiral groove, 28. 29: Tsuko.
・8 30 5 \B
Claims (1)
の補強リブを介して基体表面に連接されており、ボス部
端面と基体表面との間に間隔部tコるアンダカット部が
形成されている合成樹脂成形品を成形すべき、可動金型
キ固定金型とよりなる合成樹脂成形金型において、可動
金型に、前記補強リブとボス部との成形用のキャビティ
が形成されており、可動金型に貫設されたピン溝を貫通
する一エゼクタピンに、前記ボス部端面と基体表面との
間のアンダカット部を形成すべき入子が固着されている
と共に、前記可動金型のピン溝とエゼクタビンとの間に
は、エゼクタビンの進出時に、該ピンに回動運動を与え
うる回動機構が付設されていることを特徴とする合成樹
脂成形金型におけるアンダカット部成形装置。
2The boss portion is connected to the base surface through a plurality of reinforcing ribs extending from the outer circumferential surface of the boss portion, and an undercut portion having a gap t is formed between the end face of the boss portion and the base surface. In a synthetic resin molding mold consisting of a movable mold and a fixed mold, in which a synthetic resin molded product is to be molded, a cavity for molding the reinforcing ribs and the boss portion is formed in the movable mold. , an insert for forming an undercut between the end face of the boss portion and the base surface is fixed to one ejector pin that passes through a pin groove provided through the movable mold; 1. A device for forming an undercut portion in a synthetic resin molding die, characterized in that a rotation mechanism is provided between the pin groove and the ejector bin to provide rotational movement to the pin when the ejector bin advances.
2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19759782U JPS5997009U (en) | 1982-12-22 | 1982-12-22 | Undercut molding device for synthetic resin molds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19759782U JPS5997009U (en) | 1982-12-22 | 1982-12-22 | Undercut molding device for synthetic resin molds |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5997009U true JPS5997009U (en) | 1984-06-30 |
JPS6212575Y2 JPS6212575Y2 (en) | 1987-04-01 |
Family
ID=30423027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19759782U Granted JPS5997009U (en) | 1982-12-22 | 1982-12-22 | Undercut molding device for synthetic resin molds |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5997009U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013114771A1 (en) * | 2012-01-31 | 2013-08-08 | 株式会社テクノクラーツ | Molding |
-
1982
- 1982-12-22 JP JP19759782U patent/JPS5997009U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013114771A1 (en) * | 2012-01-31 | 2013-08-08 | 株式会社テクノクラーツ | Molding |
Also Published As
Publication number | Publication date |
---|---|
JPS6212575Y2 (en) | 1987-04-01 |
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