JPH0339528U - - Google Patents
Info
- Publication number
- JPH0339528U JPH0339528U JP9994789U JP9994789U JPH0339528U JP H0339528 U JPH0339528 U JP H0339528U JP 9994789 U JP9994789 U JP 9994789U JP 9994789 U JP9994789 U JP 9994789U JP H0339528 U JPH0339528 U JP H0339528U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- hydraulic
- injection molding
- molding machine
- hydraulic motor
- 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 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の１実施例を示す油圧制御回路
であり、第２図は従来装置の油圧制御回路である
。
１……射出シリンダ、２……油圧ポンプ、３…
…電磁切換弁、４……スクリユ、５……油圧モー
タ、６……電磁切換弁、７……電磁比例式流量制
御弁、８……逆止弁、９……電磁切換弁、１０…
…流量制御弁、１１……圧力制御弁。
FIG. 1 shows a hydraulic control circuit showing one embodiment of the present invention, and FIG. 2 shows a hydraulic control circuit of a conventional device. 1...Injection cylinder, 2...Hydraulic pump, 3...
...Solenoid switching valve, 4...Screw, 5...Hydraulic motor, 6...Solenoid switching valve, 7...Solenoid proportional flow control valve, 8...Check valve, 9...Solenoid switching valve, 10...
...Flow control valve, 11...Pressure control valve.
Claims (1)
インラインスクリユ式射出成形機の油圧制御回路
において、 油圧ポンプ２の吐出側油路と、前記油圧モータ
５の圧力油流入口と逆止弁８を結ぶ油路に、並列
に流量制御弁１０と電磁切換弁９より構成される
補給回路を接続したことを特徴とする射出成形機
のスクリユ逆転防止装置。[Scope of Claim for Utility Model Registration] In a hydraulic control circuit of an in-line screw type injection molding machine in which a screw 4 is rotated by a hydraulic motor 5, a discharge side oil passage of a hydraulic pump 2 and a pressure oil flow of the hydraulic motor 5 are provided. A screw reversal prevention device for an injection molding machine, characterized in that a replenishment circuit consisting of a flow control valve 10 and an electromagnetic switching valve 9 is connected in parallel to an oil path connecting an inlet and a check valve 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9994789U JPH0517219Y2 (en) | 1989-08-29 | 1989-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9994789U JPH0517219Y2 (en) | 1989-08-29 | 1989-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0339528U true JPH0339528U (en) | 1991-04-16 |
| JPH0517219Y2 JPH0517219Y2 (en) | 1993-05-10 |
Family
ID=31648977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9994789U Expired - Lifetime JPH0517219Y2 (en) | 1989-08-29 | 1989-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0517219Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06101296A (en) * | 1992-09-21 | 1994-04-12 | Tokai Concrete Kogyo Kk | Mounting structure of extrernal wall panel |
-
1989
- 1989-08-29 JP JP9994789U patent/JPH0517219Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06101296A (en) * | 1992-09-21 | 1994-04-12 | Tokai Concrete Kogyo Kk | Mounting structure of extrernal wall panel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517219Y2 (en) | 1993-05-10 |
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