JPH01110915U - - Google Patents
Info
- Publication number
- JPH01110915U JPH01110915U JP426788U JP426788U JPH01110915U JP H01110915 U JPH01110915 U JP H01110915U JP 426788 U JP426788 U JP 426788U JP 426788 U JP426788 U JP 426788U JP H01110915 U JPH01110915 U JP H01110915U
- Authority
- JP
- Japan
- Prior art keywords
- metering
- injection
- backflow
- molding machine
- side port
- 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
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は横型射出成形機に本考案流体圧回路を
適用した例を示す概略構成図、第２図は従来の流
体圧回路を備える横型射出成形機を示す概略構成
図である。
符号の説明、１：射出成形機、６：射出シリン
ダ、６ａ：前進側ポート、８：切換弁、１０：パ
イロツトオペレートチエツク弁。
FIG. 1 is a schematic configuration diagram showing an example in which the fluid pressure circuit of the present invention is applied to a horizontal injection molding machine, and FIG. 2 is a schematic configuration diagram showing a horizontal injection molding machine equipped with a conventional fluid pressure circuit. Explanation of symbols: 1: injection molding machine, 6: injection cylinder, 6a: forward side port, 8: switching valve, 10: pilot operator check valve.
Claims (1)
る切替弁を射出シリンダの前進側ポートに接続し
てなる射出成形機において、上記射出シリンダの
前進側ポートと上記切換弁との間に、計量時には
逆流を許容し、計量停止時および射出時には逆流
を阻止するように作動されるパイロツトオペレー
トチエツク弁を配設したことを特徴とする射出成
形機における計量安定化流体圧回路。 In an injection molding machine in which a switching valve having a metering position, a metering stop position, and an injection position is connected to a forward side port of an injection cylinder, a backflow is prevented during metering between the forward side port of the injection cylinder and the switching valve. 1. A metering stabilizing fluid pressure circuit for an injection molding machine, characterized in that it is provided with a pilot operated check valve that is operated to permit backflow and prevent backflow when metering is stopped and during injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004267U JPH0716419Y2 (en) | 1988-01-19 | 1988-01-19 | Metering-stabilized fluid pressure circuit in injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004267U JPH0716419Y2 (en) | 1988-01-19 | 1988-01-19 | Metering-stabilized fluid pressure circuit in injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01110915U true JPH01110915U (en) | 1989-07-26 |
| JPH0716419Y2 JPH0716419Y2 (en) | 1995-04-19 |
Family
ID=31206631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988004267U Expired - Lifetime JPH0716419Y2 (en) | 1988-01-19 | 1988-01-19 | Metering-stabilized fluid pressure circuit in injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716419Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6232817U (en) * | 1985-08-13 | 1987-02-26 |
-
1988
- 1988-01-19 JP JP1988004267U patent/JPH0716419Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6232817U (en) * | 1985-08-13 | 1987-02-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716419Y2 (en) | 1995-04-19 |
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