JPH0437323U - - Google Patents

Info

Publication number
JPH0437323U
JPH0437323U JP7796790U JP7796790U JPH0437323U JP H0437323 U JPH0437323 U JP H0437323U JP 7796790 U JP7796790 U JP 7796790U JP 7796790 U JP7796790 U JP 7796790U JP H0437323 U JPH0437323 U JP H0437323U
Authority
JP
Japan
Prior art keywords
actuator
valve
hydraulic
pressure compensation
control circuit
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
Application number
JP7796790U
Other languages
English (en)
Other versions
JPH0525870Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990077967U priority Critical patent/JPH0525870Y2/ja
Publication of JPH0437323U publication Critical patent/JPH0437323U/ja
Application granted granted Critical
Publication of JPH0525870Y2 publication Critical patent/JPH0525870Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Description

【図面の簡単な説明】
第1図は本考案の第1実施例を示す構成図、第
2図は本考案の第2実施例を示す構成図、第3図
は本考案の第3実施例の構成図である。第4図は
従来の射出速度制御回路の構成図、第5図は従来
の他の制御回路の構成図、第6図は従来の別の制
御回路の構成図である。 1……油圧ポンプ、2……アクチユエータ、4
,23……流量調整弁、6……パイロツト管(油
圧回路)、7,22,34……圧力補償弁、11
,27,40……切換弁、24……パイロツト管
(油圧回路)、36……接続管(油圧回路)。

Claims (1)

    【実用新案登録請求の範囲】
  1. 加熱シリンダ内に挿入されたスクリユを軸方向
    に前進させて射出ノズルから樹脂を金型内に射出
    させるアクチユエータに、該アクチユエータを作
    動させる油圧ポンプが流量調整弁を介して連絡さ
    れ、上記流量調整弁には、油圧ポンプからアクチ
    ユエータに送られる作動油の流量調整弁の前後の
    圧力差を、アクチユエータからフイードバツクさ
    れる負荷圧で作動させられて一定に保つ圧力補償
    弁が付設された射出成形機の射出速度制御回路に
    おいて、上記圧力補償弁の油圧回路に、該油圧回
    路を閉じて圧力補償弁の機能を喪失させる切換弁
    が設けられたことを特徴とする射出成形機の射出
    速度制御回路。
JP1990077967U 1990-07-23 1990-07-23 Expired - Lifetime JPH0525870Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990077967U JPH0525870Y2 (ja) 1990-07-23 1990-07-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990077967U JPH0525870Y2 (ja) 1990-07-23 1990-07-23

Publications (2)

Publication Number Publication Date
JPH0437323U true JPH0437323U (ja) 1992-03-30
JPH0525870Y2 JPH0525870Y2 (ja) 1993-06-30

Family

ID=31620827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990077967U Expired - Lifetime JPH0525870Y2 (ja) 1990-07-23 1990-07-23

Country Status (1)

Country Link
JP (1) JPH0525870Y2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2809096B2 (ja) * 1994-04-25 1998-10-08 株式会社新潟鉄工所 射出成形機の油圧回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61160380U (ja) * 1985-03-27 1986-10-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61160380U (ja) * 1985-03-27 1986-10-04

Also Published As

Publication number Publication date
JPH0525870Y2 (ja) 1993-06-30

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