JPH0364722U - - Google Patents
Info
- Publication number
- JPH0364722U JPH0364722U JP12783789U JP12783789U JPH0364722U JP H0364722 U JPH0364722 U JP H0364722U JP 12783789 U JP12783789 U JP 12783789U JP 12783789 U JP12783789 U JP 12783789U JP H0364722 U JPH0364722 U JP H0364722U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- chamber
- attached
- pressure fluid
- 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 3
- 239000012530 fluid Substances 0.000 claims 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は公知のスクリユーコンベヤに固定した
公知の一対の油圧アクチユエータの一部断面図で
ある。第２図は本考案の油圧アクチユエータを有
するプラスチツク射出成形機の正面図である。第
３図は公知のスクリユーコンベヤに固定された本
考案の一対の油圧アクチユエータの一部断面図で
ある。第４図は超高圧射出操作における本考案の
油圧アクチユエータの断面概略図である。第５図
は高速射出操作における本考案の油圧アクチユエ
ータの断面概略図である。第６図は超低速射出操
作における本考案の油圧アクチユエータの断面概
略図である。
図の主要部分の説明、１……主アクチユエータ
、２……補助アクチユエータ、７……スクリユー
コンベヤ、１０……主シリンダ、１１……ピスト
ン棒、１２……主ピストン、１４……後方端部パ
ツキン押え、１５……前方端部パツキン押え、１
６……軸接続棒、２０……補助シリンダ、２２…
…補助ピストン、２５……円形キヤツプ。
FIG. 1 is a partial sectional view of a pair of known hydraulic actuators fixed to a known screw conveyor. FIG. 2 is a front view of a plastic injection molding machine having a hydraulic actuator according to the present invention. FIG. 3 is a partial sectional view of a pair of hydraulic actuators of the present invention fixed to a known screw conveyor. FIG. 4 is a schematic cross-sectional view of the hydraulic actuator of the present invention in ultra-high pressure injection operation. FIG. 5 is a schematic cross-sectional view of the hydraulic actuator of the present invention in a high-speed injection operation. FIG. 6 is a schematic cross-sectional view of the hydraulic actuator of the present invention in ultra-low speed injection operation. Explanation of the main parts of the figure, 1... Main actuator, 2... Auxiliary actuator, 7... Screw conveyor, 10... Main cylinder, 11... Piston rod, 12... Main piston, 14... Rear end Packing holder, 15...Front end packing holder, 1
6...Shaft connecting rod, 20...Auxiliary cylinder, 22...
...Auxiliary piston, 25...Circular cap.
Claims (1)
密閉端部を有し、圧媒液を収納する第１シリンダ
と、第１シリンダ内に摺動可能に設けられ、第１
シリンダ内で前方室および後方室を形成する第１
ピストンと、圧媒液を導入および返送し、前方室
および後方室にそれぞれ連絡している第１開口手
段と、後方密閉端部を通して液密状に摺動可能に
設けられた軸ピストン棒と、上記第１シリンダの
外端部はプラスチツク射出成形機の軸受に接続さ
れ、且つ上記第１シリンダの内端部は第１ピスト
ンに取付けられており； さらに第１シリンダの前方密閉端部に同軸状に
取付けられた第２シリンダと、第２シリンダ内に
摺動可能に設けられ、第２シリンダの内面との密
閉状に係合して圧媒液を収納する第２シリンダ内
に可変室を形成する周面を有する第２ピストンと
、圧媒液を導入および返送し、第２シリンダ内の
室と連絡している第２開口部と、前方密閉端部を
通して液密状に摺動可能に設けられ、第１シリン
ダの第１ピストンおよび第２シリンダの第２ピス
トンを相互に連結する軸連結棒とから成るプラス
チツク射出成形機用バイシリンダアクチユエータ
。 (2) 第１シリンダに取付けられた第２シリンダ
の端部と反対側の端部には、軸穴を有する円形キ
ヤツプ部材が取付けられている請求項１記載のプ
ラスチツク射出成形機用バイシリンダアクチユエ
ータ。[Claims for Utility Model Registration] (1) A first cylinder that has two sealed ends, a front sealed end and a rear sealed end, and that accommodates a pressurized fluid, and that is slidable within the first cylinder. provided, first
A first chamber forming a front chamber and a rear chamber within the cylinder.
a piston, first opening means for introducing and returning pressure fluid and communicating with the front chamber and the rear chamber, respectively; and an axial piston rod slidable in a liquid-tight manner through the rear sealed end; The outer end of the first cylinder is connected to a bearing of a plastic injection molding machine, and the inner end of the first cylinder is attached to a first piston; a second cylinder attached to the second cylinder; and a variable chamber formed within the second cylinder that is slidably provided within the second cylinder and sealingly engages with the inner surface of the second cylinder to accommodate the pressure fluid. a second piston having a circumferential surface for introducing and returning pressure fluid and communicating with a chamber in the second cylinder; and a shaft connecting rod that interconnects a first piston of a first cylinder and a second piston of a second cylinder. (2) The bi-cylinder actuator for a plastic injection molding machine according to claim 1, wherein a circular cap member having a shaft hole is attached to the end opposite to the end of the second cylinder attached to the first cylinder. Yueta.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989127837U JPH0620582Y2 (en) | 1989-10-31 | 1989-10-31 | Bi-cylinder actuator for plastic injection molding machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989127837U JPH0620582Y2 (en) | 1989-10-31 | 1989-10-31 | Bi-cylinder actuator for plastic injection molding machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0364722U true JPH0364722U (en) | 1991-06-24 |
| JPH0620582Y2 JPH0620582Y2 (en) | 1994-06-01 |
Family
ID=31675580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989127837U Expired - Lifetime JPH0620582Y2 (en) | 1989-10-31 | 1989-10-31 | Bi-cylinder actuator for plastic injection molding machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620582Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61196019U (en) * | 1985-05-29 | 1986-12-06 | ||
| JPH0195321U (en) * | 1987-12-18 | 1989-06-23 |
-
1989
- 1989-10-31 JP JP1989127837U patent/JPH0620582Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61196019U (en) * | 1985-05-29 | 1986-12-06 | ||
| JPH0195321U (en) * | 1987-12-18 | 1989-06-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0620582Y2 (en) | 1994-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |