JPH0195322U - - Google Patents
Info
- Publication number
- JPH0195322U JPH0195322U JP19144887U JP19144887U JPH0195322U JP H0195322 U JPH0195322 U JP H0195322U JP 19144887 U JP19144887 U JP 19144887U JP 19144887 U JP19144887 U JP 19144887U JP H0195322 U JPH0195322 U JP H0195322U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- mold clamping
- mold
- control function
- injection molding
- 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
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案を実施した一実施例の射出成形
装置の概略正面図、第２図は型締め装置における
型締め用シリンダの油圧回路図である。
図面の主要な部分を表わす符号の説明、１……
射出成形装置、５……型締め装置、９……金型、
１１……型締め用油圧シリンダ、２１……ピスト
ンロツド、２３……第１シリンダ室、２５……第
２シリンダ室、２７……第３シリンダ室、ＥＦ１
……電磁比例方向流量弁、ＣＶ１……４ポート３
位置切換弁、ＣＶ２……４ポート２位置切換弁、
ＣＫ１，ＣＫ２，ＣＫ４……チエツク弁、ＣＫ３
……チエツク弁付絞り弁。
FIG. 1 is a schematic front view of an injection molding apparatus according to an embodiment of the present invention, and FIG. 2 is a hydraulic circuit diagram of a mold clamping cylinder in the mold clamping device. Explanation of the symbols representing the main parts of the drawing, 1...
Injection molding device, 5... mold clamping device, 9... mold,
11... Hydraulic cylinder for mold clamping, 21... Piston rod, 23... First cylinder chamber, 25... Second cylinder chamber, 27... Third cylinder chamber, EF1
...Solenoid proportional directional flow valve, CV1...4 port 3
Position switching valve, CV2...4 port 2 position switching valve,
CK1, CK2, CK4...Check valve, CK3
... Throttle valve with check valve.
Claims (1)
め用シリンダの油圧回路中に、その型締め用シリ
ンダにより金型の型締めを行なう際に、上記シリ
ンダの背圧をコントロールする背圧コントロール
機能、前記シリンダの作動時にシリンダへ供給す
る圧油量を制御する流量制御機能および前記シリ
ンダによる金型の型締めを解除する際に、シリン
ダ内の圧油を徐々に排除する圧抜きコントロール
機能を有した電磁比例方向流量弁を設けてなるこ
とを特徴とする射出成形装置における型締め制御
装置。 A back pressure control function that controls the back pressure of the cylinder when the mold is clamped by the mold clamping cylinder in a hydraulic circuit of a mold clamping cylinder that opens and closes the mold in an injection molding device; An electromagnetic proportional control system with a flow rate control function that controls the amount of pressure oil supplied to the cylinder when the cylinder is activated, and a pressure release control function that gradually removes the pressure oil in the cylinder when releasing the mold clamping by the cylinder. A mold clamping control device for an injection molding machine, characterized by being provided with a directional flow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19144887U JPH0195322U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19144887U JPH0195322U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195322U true JPH0195322U (en) | 1989-06-23 |
Family
ID=31482359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19144887U Pending JPH0195322U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0347717A (en) * | 1989-07-17 | 1991-02-28 | Sumitomo Heavy Ind Ltd | Hydraulic circuit in mold clamping device |
-
1987
- 1987-12-18 JP JP19144887U patent/JPH0195322U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0347717A (en) * | 1989-07-17 | 1991-02-28 | Sumitomo Heavy Ind Ltd | Hydraulic circuit in mold clamping device |
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