JPH0483729U - - Google Patents
Info
- Publication number
- JPH0483729U JPH0483729U JP12817890U JP12817890U JPH0483729U JP H0483729 U JPH0483729 U JP H0483729U JP 12817890 U JP12817890 U JP 12817890U JP 12817890 U JP12817890 U JP 12817890U JP H0483729 U JPH0483729 U JP H0483729U
- Authority
- JP
- Japan
- Prior art keywords
- injection molding
- molding machine
- injection
- pump
- control device
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図ないし第４図は本考案の一実施例を示す
図であつて、第１図はその全体構成を示す図、第
２図はその電動機選択回路を示す図、第３図はそ
の電動機制御回路を示す図、第４図は射出速度の
設定値と動力との関係を示す図であり、第５図及
び第６図は本考案の他の実施例を示す図であつて
、第５図はその全体構成を示す図、第６図はその
電動機選択回路を示す図であり、第７図は従来の
射出成形機の油圧制御装置を示す図である。
２１……射出シリンダ、３１，３２，３３……
ポンプ、３４，３５，３６……電動機、５２……
電動機制御回路。
1 to 4 are diagrams showing one embodiment of the present invention, in which FIG. 1 shows its overall configuration, FIG. 2 shows its electric motor selection circuit, and FIG. 3 shows its electric motor. FIG. 4 is a diagram showing the control circuit, and FIG. 4 is a diagram showing the relationship between the set value of the injection speed and the power, and FIGS. 5 and 6 are diagrams showing other embodiments of the present invention. FIG. 6 is a diagram showing its overall configuration, FIG. 6 is a diagram showing its electric motor selection circuit, and FIG. 7 is a diagram showing a conventional hydraulic control device for an injection molding machine. 21... Injection cylinder, 31, 32, 33...
Pump, 34, 35, 36...Electric motor, 52...
Electric motor control circuit.
Claims (1)
から供給する複数のポンプが設けられ、各ポンプ
には各ポンプを独立して駆動する複数の電動機が
接続された射出成形機の油圧制御装置において、
射出成形に必要な射出速度に対応して前記複数の
電動機を選択的に駆動する電動機制御回路が設け
られたことを特徴とする射出成形機の油圧制御装
置。 In a hydraulic control device for an injection molding machine, a plurality of pumps are provided to supply hydraulic oil from an oil tank to an injection cylinder of the injection molding machine, and each pump is connected to a plurality of electric motors that independently drive each pump.
A hydraulic control device for an injection molding machine, comprising a motor control circuit that selectively drives the plurality of motors in accordance with an injection speed necessary for injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12817890U JPH0483729U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12817890U JPH0483729U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0483729U true JPH0483729U (en) | 1992-07-21 |
Family
ID=31875649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12817890U Pending JPH0483729U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0483729U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2397703A2 (en) * | 2010-06-16 | 2011-12-21 | Hydac Fluidtechnik GmbH | Hydraulic assembly |
| WO2012173005A1 (en) * | 2011-06-15 | 2012-12-20 | 宇部興産機械株式会社 | Extrusion press |
| JP2017137967A (en) * | 2016-02-05 | 2017-08-10 | 油研工業株式会社 | Large capacity hydraulic system |
| JP2023527949A (en) * | 2021-05-06 | 2023-07-03 | ピョン カン バイオ アイティー メカトロニクス カンパニー リミテッド | Electro-hydraulic system with improved electrical efficiency |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5935771A (en) * | 1982-08-24 | 1984-02-27 | 共和眞空技術株式会社 | Method and device for defrosting and regenerating trap of vacuum freezing drier |
-
1990
- 1990-11-30 JP JP12817890U patent/JPH0483729U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5935771A (en) * | 1982-08-24 | 1984-02-27 | 共和眞空技術株式会社 | Method and device for defrosting and regenerating trap of vacuum freezing drier |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2397703A2 (en) * | 2010-06-16 | 2011-12-21 | Hydac Fluidtechnik GmbH | Hydraulic assembly |
| WO2012173005A1 (en) * | 2011-06-15 | 2012-12-20 | 宇部興産機械株式会社 | Extrusion press |
| JP2013000762A (en) * | 2011-06-15 | 2013-01-07 | Ube Machinery Corporation Ltd | Extrusion press |
| US9643225B2 (en) | 2011-06-15 | 2017-05-09 | Ube Machinery Corporation, Ltd. | Extrusion press |
| JP2017137967A (en) * | 2016-02-05 | 2017-08-10 | 油研工業株式会社 | Large capacity hydraulic system |
| JP2023527949A (en) * | 2021-05-06 | 2023-07-03 | ピョン カン バイオ アイティー メカトロニクス カンパニー リミテッド | Electro-hydraulic system with improved electrical efficiency |
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