JP4744478B2 - 加熱筒後端部の封止機構 - Google Patents
加熱筒後端部の封止機構 Download PDFInfo
- Publication number
- JP4744478B2 JP4744478B2 JP2007139074A JP2007139074A JP4744478B2 JP 4744478 B2 JP4744478 B2 JP 4744478B2 JP 2007139074 A JP2007139074 A JP 2007139074A JP 2007139074 A JP2007139074 A JP 2007139074A JP 4744478 B2 JP4744478 B2 JP 4744478B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- heating cylinder
- peripheral surface
- rear end
- cylinder
- 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.)
- Expired - Fee Related
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Images
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- Injection Moulding Of Plastics Or The Like (AREA)
Description
2 原料投入口
3 内孔
4 スクリュ
5 摺動部
6 延長部
7 パッキング
8 保持筒
9 案内筒
10 封止体
11 Uパッキング
12,13 Oリング
14 押え板
15,16,17 ボルト
18 保持内孔
19 案内面
20 封止機構
G1,G2,G3,G4 間隙
Claims (2)
- スクリュを回転往復動自在に嵌挿した射出装置の加熱筒内を気密に保持する該加熱筒後端部の封止機構であって、
スクリュ延長部外周面の径方向変位に追従しつつ該延長部外周面との間を封止する封止体と、前記加熱筒の内孔に連続する保持筒の内周面である保持内孔と前記封止体との間に設けられた間隙G3を径方向に弾性変形しつつ封止するOリングと、封止体とスクリュ延長部外周面の間に設けられたUパッキングからなり、加熱筒とスクリュのリード外周面又はスクリュの摺動部の外周面と加熱筒の内孔の間隙G1よりも前記間隙G3のほうが大きく設けられたことを特徴とする加熱筒後端部の封止機構。 - 前記Oリングは、前記スクリュ軸の最大振れ寸法の10〜20倍の範囲の断面径を有する請求項1に記載の加熱筒後端部の封止機構。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007139074A JP4744478B2 (ja) | 2007-05-25 | 2007-05-25 | 加熱筒後端部の封止機構 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007139074A JP4744478B2 (ja) | 2007-05-25 | 2007-05-25 | 加熱筒後端部の封止機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008290373A JP2008290373A (ja) | 2008-12-04 |
JP4744478B2 true JP4744478B2 (ja) | 2011-08-10 |
Family
ID=40165605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007139074A Expired - Fee Related JP4744478B2 (ja) | 2007-05-25 | 2007-05-25 | 加熱筒後端部の封止機構 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4744478B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110509493A (zh) * | 2019-09-10 | 2019-11-29 | 张弛 | 一种注塑机防漏油装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT518638B1 (de) | 2016-09-23 | 2017-12-15 | Engel Austria Gmbh | Einspritzeinheit für eine Formgebungsmaschine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58194286U (ja) * | 1982-06-22 | 1983-12-24 | 株式会社小松製作所 | 掘削機械の軸封装置 |
JP2000238097A (ja) * | 1999-02-24 | 2000-09-05 | Canon Inc | シール部材 |
JP2001050398A (ja) * | 1999-08-09 | 2001-02-23 | Nok Corp | 密封装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11166509A (ja) * | 1997-12-02 | 1999-06-22 | Smc Corp | 摺動部のシール機構 |
-
2007
- 2007-05-25 JP JP2007139074A patent/JP4744478B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58194286U (ja) * | 1982-06-22 | 1983-12-24 | 株式会社小松製作所 | 掘削機械の軸封装置 |
JP2000238097A (ja) * | 1999-02-24 | 2000-09-05 | Canon Inc | シール部材 |
JP2001050398A (ja) * | 1999-08-09 | 2001-02-23 | Nok Corp | 密封装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110509493A (zh) * | 2019-09-10 | 2019-11-29 | 张弛 | 一种注塑机防漏油装置 |
CN110509493B (zh) * | 2019-09-10 | 2021-10-29 | 张弛 | 一种注塑机防漏油装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2008290373A (ja) | 2008-12-04 |
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