JPS6091418U - Multi-stage control device for mold clamping force in injection molding machines - Google Patents
Multi-stage control device for mold clamping force in injection molding machinesInfo
- Publication number
- JPS6091418U JPS6091418U JP18341683U JP18341683U JPS6091418U JP S6091418 U JPS6091418 U JP S6091418U JP 18341683 U JP18341683 U JP 18341683U JP 18341683 U JP18341683 U JP 18341683U JP S6091418 U JPS6091418 U JP S6091418U
- Authority
- JP
- Japan
- Prior art keywords
- mold clamping
- injection molding
- control device
- clamping force
- stage control
- 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
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来装置における型締圧とキャビティ内樹脂
圧の関係を示す図、第２図は本考案装置における上記関
係を示す図、第３図は、本考案の一実施例を示す油圧回
路図、第４図は、圧力設定用コントロールパネルの正面
図、第５図は、電磁リリーフ弁の制御回路を示す図、第
６図は、圧力設定用回路を制御するシーケンス回路図で
ある。
１０・・・・・・型締装置、２２・・曲電磁切換弁、２
３・・・・・・ポンプ、２５・・・速度切換弁、２８・
・・用電磁パイロット弁、３０・・・・・・電磁リリー
フ弁、３１・・・・・・圧力設定用回路、３３・・・・
・・電磁リリーフ弁コントローラ、ＴＲ・・・・・・タ
イマ、ｖＲ・・・・・・可変抵抗器、ＣＲ・・・・・・
可変抵抗器選択用リレー。
帳合」
−ｆ５Fig. 1 is a diagram showing the relationship between mold clamping pressure and resin pressure in the cavity in a conventional device, Fig. 2 is a diagram showing the above relationship in the device of the present invention, and Fig. 3 is a diagram showing the hydraulic pressure in an embodiment of the present invention. 4 is a front view of the pressure setting control panel, FIG. 5 is a diagram showing the control circuit of the electromagnetic relief valve, and FIG. 6 is a sequence circuit diagram for controlling the pressure setting circuit. 10... Mold clamping device, 22... Bent electromagnetic switching valve, 2
3... Pump, 25... Speed switching valve, 28...
... solenoid pilot valve, 30 ... solenoid relief valve, 31 ... pressure setting circuit, 33 ...
...Solenoid relief valve controller, TR...Timer, vR...Variable resistor, CR...
Relay for variable resistor selection. Account” -f5
Claims (1)
備えた射出成形機において、上記ポンプと上記油圧シリ
ンダを結ぶ油路に電磁リリーフ弁を配設するとともに、
キャビティ内樹脂圧の成形全過程における変化に即応し
て出力を多段に変化させる電気的側御回路を設け、上記
リリーフ弁の電磁駆動部を上記回路の出力部に接続させ
たことを特徴とする射出成形機における型締保圧力の多
段制御装置。In an injection molding machine equipped with a mold clamping hydraulic cylinder operated by pressure oil from a pump, an electromagnetic relief valve is disposed in an oil path connecting the pump and the hydraulic cylinder, and
The present invention is characterized in that an electrical side control circuit is provided to change the output in multiple steps in response to changes in resin pressure within the cavity during the entire molding process, and the electromagnetic drive section of the relief valve is connected to the output section of the circuit. Multi-stage control device for mold clamping force in injection molding machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18341683U JPS6091418U (en) | 1983-11-26 | 1983-11-26 | Multi-stage control device for mold clamping force in injection molding machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18341683U JPS6091418U (en) | 1983-11-26 | 1983-11-26 | Multi-stage control device for mold clamping force in injection molding machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6091418U true JPS6091418U (en) | 1985-06-22 |
Family
ID=30396960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18341683U Pending JPS6091418U (en) | 1983-11-26 | 1983-11-26 | Multi-stage control device for mold clamping force in injection molding machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6091418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471819A (en) * | 1990-07-12 | 1992-03-06 | Sumitomo Heavy Ind Ltd | Method for controlling dwelling of injection molder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS533418A (en) * | 1976-06-29 | 1978-01-13 | Bergwerksverband Gmbh | Method of feeding fine coal into gasifying reactor |
| JPS5729434A (en) * | 1980-07-31 | 1982-02-17 | Toshiba Mach Co Ltd | Method and apparatus for controlling clamping pressure |
-
1983
- 1983-11-26 JP JP18341683U patent/JPS6091418U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS533418A (en) * | 1976-06-29 | 1978-01-13 | Bergwerksverband Gmbh | Method of feeding fine coal into gasifying reactor |
| JPS5729434A (en) * | 1980-07-31 | 1982-02-17 | Toshiba Mach Co Ltd | Method and apparatus for controlling clamping pressure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471819A (en) * | 1990-07-12 | 1992-03-06 | Sumitomo Heavy Ind Ltd | Method for controlling dwelling of injection molder |
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