JPH04440U - - Google Patents

Info

Publication number
JPH04440U
JPH04440U JP4095890U JP4095890U JPH04440U JP H04440 U JPH04440 U JP H04440U JP 4095890 U JP4095890 U JP 4095890U JP 4095890 U JP4095890 U JP 4095890U JP H04440 U JPH04440 U JP H04440U
Authority
JP
Japan
Prior art keywords
hydraulic
closing
pressure
attached
accumulators
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
JP4095890U
Other languages
English (en)
Other versions
JPH0739468Y2 (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 JP1990040958U priority Critical patent/JPH0739468Y2/ja
Publication of JPH04440U publication Critical patent/JPH04440U/ja
Application granted granted Critical
Publication of JPH0739468Y2 publication Critical patent/JPH0739468Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Forging (AREA)

Description

【図面の簡単な説明】
第１図はプレス機械の要部を示す縦断面図、第
２図は第１図に示された閉塞用シリンダに接続さ
れている油圧回路を示す図である。 １……上型、２……下型、３……閉塞用シリン
ダ、４……スライド、７……ムービングボルスタ
、１０……ベツド、１１，１２……油圧室、１３
，１４……ピストン、１９……クツシヨンピン、
３１……油圧ポンプ、３２……圧油供給回路、３
５，３７……ロジツク弁、３６，３８……アキユ
ームレータ、３９，４０……パイロツト付き逆止
弁、４６……切換手段。

Claims (1)

    【実用新案登録請求の範囲】
  1. 上下動するスライドに取り付けられた上型と、
    ボルスタに取り付けられ、かつ、ベツド内に組み
    込まれた閉塞用シリンダの油圧による閉塞力を受
    ける下型とによりワークを閉塞鍛造するプレス機
    械において、油圧ポンプから圧油が供給される圧
    油供給回路に、圧力が異なる圧力ガスが封入され
    て異なる油圧を蓄圧可能な複数のアキユームレー
    タと、これらのアキユームレータを選択的に切り
    換えて前記閉塞用シリンダに接続する切換手段と
    を設けたことを特徴とする閉塞鍛造プレス機械の
    閉塞用油圧装置。
JP1990040958U 1990-04-16 1990-04-16 閉塞鍛造プレス機械の閉塞用油圧装置 Expired - Fee Related JPH0739468Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990040958U JPH0739468Y2 (ja) 1990-04-16 1990-04-16 閉塞鍛造プレス機械の閉塞用油圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990040958U JPH0739468Y2 (ja) 1990-04-16 1990-04-16 閉塞鍛造プレス機械の閉塞用油圧装置

Publications (2)

Publication Number Publication Date
JPH04440U true JPH04440U (ja) 1992-01-06
JPH0739468Y2 JPH0739468Y2 (ja) 1995-09-13

Family

ID=31551209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990040958U Expired - Fee Related JPH0739468Y2 (ja) 1990-04-16 1990-04-16 閉塞鍛造プレス機械の閉塞用油圧装置

Country Status (1)

Country Link
JP (1) JPH0739468Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284847A (ja) * 1985-10-09 1987-04-18 Sumitomo Heavy Ind Ltd 閉塞鍛造装置
JPS642755A (en) * 1987-06-26 1989-01-06 Ishikawajima Harima Heavy Ind Co Ltd Forging press equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284847A (ja) * 1985-10-09 1987-04-18 Sumitomo Heavy Ind Ltd 閉塞鍛造装置
JPS642755A (en) * 1987-06-26 1989-01-06 Ishikawajima Harima Heavy Ind Co Ltd Forging press equipment

Also Published As

Publication number Publication date
JPH0739468Y2 (ja) 1995-09-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees