JPH0331924U - - Google Patents
Info
- Publication number
- JPH0331924U JPH0331924U JP9121989U JP9121989U JPH0331924U JP H0331924 U JPH0331924 U JP H0331924U JP 9121989 U JP9121989 U JP 9121989U JP 9121989 U JP9121989 U JP 9121989U JP H0331924 U JPH0331924 U JP H0331924U
- Authority
- JP
- Japan
- Prior art keywords
- movable shaft
- nozzle
- hole
- eccentric
- shaft
- 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
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000012778 molding material Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の実施例に係る射出成形機のノ
ズルシヤツトオフ機構の縦断面図、第２図および
第３図はそれぞれノズル全閉時および全開時の第
１図Ａ−Ａ線に沿つた断面図、第４図は従来のニ
ードルを用いたノズルシヤツトオフ機構の縦断面
図、第５図は従来のシヤツトオフピンを用いたノ
ズルシヤツトオフ機構の概略的な縦断面図である
。
１０……シリンダ、１２……加熱シリンダヘツ
ド、１３……ノズルハウジング、１４……ノズル
、１５……偏心孔、１６……可動軸、１７……可
動軸固定部材、１８……シリンダ連通孔、１９…
…樹脂流路、２０……可動軸駆動レバー。
FIG. 1 is a longitudinal sectional view of the nozzle shut-off mechanism of an injection molding machine according to an embodiment of the present invention, and FIGS. 2 and 3 are taken along line A-A in FIG. 1 when the nozzle is fully closed and fully opened, respectively. 4 is a vertical sectional view of a conventional nozzle shut-off mechanism using a needle, and FIG. 5 is a schematic vertical sectional view of a nozzle shut-off mechanism using a conventional shutter pin. 10... Cylinder, 12... Heating cylinder head, 13... Nozzle housing, 14... Nozzle, 15... Eccentric hole, 16... Movable shaft, 17... Movable shaft fixing member, 18... Cylinder communication hole, 19...
...Resin flow path, 20...Movable shaft drive lever.
Claims (1)
と、前記偏心孔に回転可能に嵌合されかつその中
心に対して偏心した成形材流路を有する可動軸と
、前記ノズルハウジングのノズルと同芯のシリン
ダ連通孔を有しかつ前記可動軸の軸端を前記偏心
孔のノズル側孔底面に密着するように軸方向に固
定している可動軸固定部材と、前記可動軸に取り
付けられた可動軸回転駆動レバーとを有し、前記
可動軸の成形材流路が該可動軸の特定回転位置で
は前記ノズルおよび前記可動軸固定部材のシリン
ダ連通孔と整合し他の位置ではノズルが該可動軸
の軸端で閉止されることを特徴とする射出成形機
のノズルシヤツトオフ機構。 A nozzle housing having an eccentric hole at the rear of the nozzle, a movable shaft rotatably fitted in the eccentric hole and having a molding material flow path eccentric to the center thereof, and a cylinder concentric with the nozzle of the nozzle housing communicating with each other. a movable shaft fixing member having a hole and fixing the shaft end of the movable shaft in the axial direction so as to be in close contact with the bottom surface of the nozzle side hole of the eccentric hole; and a movable shaft rotation drive lever attached to the movable shaft. and the molding material flow path of the movable shaft is aligned with the nozzle and the cylinder communication hole of the movable shaft fixing member at a specific rotational position of the movable shaft, and at other positions, the nozzle is at the shaft end of the movable shaft. A nozzle shut-off mechanism for an injection molding machine characterized by being closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9121989U JPH0646650Y2 (en) | 1989-08-02 | 1989-08-02 | Nozzle shut-off mechanism of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9121989U JPH0646650Y2 (en) | 1989-08-02 | 1989-08-02 | Nozzle shut-off mechanism of injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0331924U true JPH0331924U (en) | 1991-03-28 |
| JPH0646650Y2 JPH0646650Y2 (en) | 1994-11-30 |
Family
ID=31640718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9121989U Expired - Lifetime JPH0646650Y2 (en) | 1989-08-02 | 1989-08-02 | Nozzle shut-off mechanism of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646650Y2 (en) |
-
1989
- 1989-08-02 JP JP9121989U patent/JPH0646650Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0646650Y2 (en) | 1994-11-30 |
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