JPH0273323U - - Google Patents
Info
- Publication number
- JPH0273323U JPH0273323U JP15388288U JP15388288U JPH0273323U JP H0273323 U JPH0273323 U JP H0273323U JP 15388288 U JP15388288 U JP 15388288U JP 15388288 U JP15388288 U JP 15388288U JP H0273323 U JPH0273323 U JP H0273323U
- Authority
- JP
- Japan
- Prior art keywords
- molded product
- undercut
- mold
- fixed mold
- movable mold
- 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
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１〜４図は本考案の実施例を示す図であつて
、第１図は射出成形用金型を示す断面図、第２図
は第１図において固定型を取除いた状態を示す平
面図、第３図及び第４図は成形品の離型状態を示
す射出成形用金型の断面図、第５図及び第６図は
従来例を示す図であつて、第５図は従来の射出成
形用金型を示す断面図、第６図は第５図において
固定型を取り除いた状態を示す平面図である。
１……固定型、２……可動型、２ａ……貫通孔
、３……スライドコア、６……支持部材としての
背板、９……押上部材としての押上ピン、１０…
…キヤビテイ、Ｐ……成形品、Ｐ１，Ｐ３……ア
ンダカツト部。
1 to 4 are views showing an embodiment of the present invention, in which FIG. 1 is a sectional view showing an injection mold, and FIG. 2 is a plan view showing a state in which the fixed mold is removed from FIG. 1. Figures 3 and 4 are cross-sectional views of an injection mold showing the release state of a molded product, and Figures 5 and 6 are diagrams showing conventional examples. FIG. 6 is a cross-sectional view showing the injection mold, and FIG. 6 is a plan view showing the state in which the fixed mold is removed from FIG. DESCRIPTION OF SYMBOLS 1... Fixed type, 2... Movable type, 2a... Through hole, 3... Slide core, 6... Back plate as a support member, 9... Push-up pin as a push-up member, 10...
... Cavity, P ... Molded product, P 1 , P 3 ... Undercut part.
Claims (1)
可動型２との間に、異なる方向の複数のアンダカ
ツト部Ｐ１，Ｐ３を有する成形品Ｐを成形するキ
ヤビテイ１０を設け、前記可動型２に設けられた
貫通孔２ａ内に前記成形品Ｐを押出す押上部材９
を挿通可能に内包する支持部材６を挿入するとと
もに、前記成形品Ｐの両アンダカツト部Ｐ１，Ｐ
３に相当する位置に前記一方のアンダカツト部Ｐ
１を離型する方向に付勢され、かつ他方のアンダ
カツト部Ｐ３の変形限度内で動いて両アンダカツ
ト部Ｐ１，Ｐ３を変形させて成形品Ｐの離型を助
けるスライドコア３を配設したことを特徴とする
射出成形用金型。 A cavity 10 for molding a molded product P having a plurality of undercut portions P 1 and P 3 in different directions is provided between a fixed mold 1 and a movable mold 2 that is disposed on the fixed mold 1 so as to be removable. A push-up member 9 that pushes out the molded product P into the through hole 2a provided in the movable mold 2
At the same time, both undercut portions P 1 , P of the molded product P are inserted.
The one undercut part P is located at the position corresponding to 3 .
The slide core 3 is biased in the direction of releasing the molded product P and moves within the deformation limit of the other undercut part P3 to deform both the undercut parts P1 and P3 to help release the molded product P. An injection mold characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15388288U JPH0273323U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15388288U JPH0273323U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273323U true JPH0273323U (en) | 1990-06-05 |
Family
ID=31430115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15388288U Pending JPH0273323U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015131441A (en) * | 2014-01-14 | 2015-07-23 | 有限会社ベストテクニカル | Mold device for injection molding |
-
1988
- 1988-11-25 JP JP15388288U patent/JPH0273323U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015131441A (en) * | 2014-01-14 | 2015-07-23 | 有限会社ベストテクニカル | Mold device for injection molding |