JPH0288719U - - Google Patents
Info
- Publication number
- JPH0288719U JPH0288719U JP16816288U JP16816288U JPH0288719U JP H0288719 U JPH0288719 U JP H0288719U JP 16816288 U JP16816288 U JP 16816288U JP 16816288 U JP16816288 U JP 16816288U JP H0288719 U JPH0288719 U JP H0288719U
- Authority
- JP
- Japan
- Prior art keywords
- ejector pin
- molded product
- mold
- molding
- cam groove
- 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
- 238000000465 moulding Methods 0.000 claims 2
- 238000004080 punching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図は、この考案の一実施例を示す金型の概
略断面図、第２図は、同金型の動作時の概略断面
図、第３図は、この考案の一実施例において成形
される成形品の部分斜視図、第４図は、同成形品
の成形原理を示す模式図、第５図は、この考案に
関係する成形品の一例を示す斜視図、第６図は、
同成形品の断面図である。
１１……成形品、１２，１３……アンダーカツ
ト部、１５……回転ブロツク、１６……エジエク
ターピン、１７……固定金型、１８……可動金型
、１９……キヤビテイ、２３……カム溝、２４，
２５……係合ピン、２６……エジエクタープレー
ト、２７……エジエクターピン、２８……押し出
しロツド。
Fig. 1 is a schematic sectional view of a mold showing an embodiment of this invention, Fig. 2 is a schematic sectional view of the same mold during operation, and Fig. 3 is a schematic sectional view of the mold in an embodiment of this invention. FIG. 4 is a schematic diagram showing the forming principle of the molded product, FIG. 5 is a perspective view showing an example of a molded product related to this invention, and FIG. 6 is a partial perspective view of the molded product.
It is a sectional view of the same molded article. 11... Molded product, 12, 13... Undercut portion, 15... Rotating block, 16... Ejector pin, 17... Fixed mold, 18... Movable mold, 19... Cavity, 23... Cam groove, 24,
25... Engagement pin, 26... Ejector plate, 27... Ejector pin, 28... Extrusion rod.
Claims (1)
の内向きのアンダーカツト部を有する成形品を成
形するための金型であつて、前記一対のアンダー
カツト部を成形するための回転ブロツクを型開き
動作に連動して突出するエジエクターピンの先端
に設けるとともに、前記エジエクターピンにこれ
を回動させるためのカム溝を設け、前記回転ブロ
ツクとともに離型した成形品を保持した状態で前
記エジエクターピンを回動させることにより前記
回転ブロツクを前記成形品から離脱させることを
特徴とするアンダーカツト回転抜き金型。 A mold for molding a molded product having at least a pair of inward undercut portions facing each other at different positions, the rotary block for molding the pair of undercut portions being operated to open the mold. A cam groove is provided at the tip of the ejector pin that projects in conjunction with the ejector pin, and a cam groove is provided in the ejector pin for rotating the ejector pin, and the ejector pin is held while holding the released molded product together with the rotating block. An undercut rotary punching mold characterized in that the rotary block is separated from the molded product by rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16816288U JPH0288719U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16816288U JPH0288719U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0288719U true JPH0288719U (en) | 1990-07-13 |
Family
ID=31457098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16816288U Pending JPH0288719U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0288719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04319417A (en) * | 1991-04-19 | 1992-11-10 | Toyoda Gosei Co Ltd | Insert molding die |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01123715A (en) * | 1987-11-09 | 1989-05-16 | Achilles Corp | Method and apparatus for injection-molding molded item containing annular part with undercut |
-
1988
- 1988-12-28 JP JP16816288U patent/JPH0288719U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01123715A (en) * | 1987-11-09 | 1989-05-16 | Achilles Corp | Method and apparatus for injection-molding molded item containing annular part with undercut |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04319417A (en) * | 1991-04-19 | 1992-11-10 | Toyoda Gosei Co Ltd | Insert molding die |