JPS57118836A - Hydraulic driving device for knock-out device of press machine - Google Patents

Hydraulic driving device for knock-out device of press machine

Info

Publication number
JPS57118836A
JPS57118836A JP56004512A JP451281A JPS57118836A JP S57118836 A JPS57118836 A JP S57118836A JP 56004512 A JP56004512 A JP 56004512A JP 451281 A JP451281 A JP 451281A JP S57118836 A JPS57118836 A JP S57118836A
Authority
JP
Japan
Prior art keywords
knock
valve
oil path
chamber
oil
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
JP56004512A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6345892B2 (en:Method
Inventor
Keitarou Yonezawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aioi Seiki Inc
Original Assignee
Aioi Seiki Inc
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 by Aioi Seiki Inc filed Critical Aioi Seiki Inc
Priority to JP56004512A priority Critical patent/JPS57118836A/ja
Publication of JPS57118836A publication Critical patent/JPS57118836A/ja
Publication of JPS6345892B2 publication Critical patent/JPS6345892B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02—Ejecting devices
    • B21D45/04—Ejecting devices interrelated with motion of tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Punching Or Piercing (AREA)
JP56004512A 1981-01-14 1981-01-14 Hydraulic driving device for knock-out device of press machine Granted JPS57118836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56004512A JPS57118836A (en) 1981-01-14 1981-01-14 Hydraulic driving device for knock-out device of press machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56004512A JPS57118836A (en) 1981-01-14 1981-01-14 Hydraulic driving device for knock-out device of press machine

Publications (2)

Publication Number Publication Date
JPS57118836A true JPS57118836A (en) 1982-07-23
JPS6345892B2 JPS6345892B2 (en:Method) 1988-09-12

Family

ID=11586099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56004512A Granted JPS57118836A (en) 1981-01-14 1981-01-14 Hydraulic driving device for knock-out device of press machine

Country Status (1)

Country Link
JP (1) JPS57118836A (en:Method)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60171639U (ja) * 1984-04-18 1985-11-14 株式会社　アマダ プレス金型のノツクアウト装置
JPH0376622U (en:Method) * 1989-11-20 1991-07-31
JP2010531237A (ja) * 2007-06-28 2010-09-24 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 打抜き装置
JP2010221288A (ja) * 2009-03-25 2010-10-07 Pascal Engineering Corp 油圧クッションのサージ圧防止装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60171639U (ja) * 1984-04-18 1985-11-14 株式会社　アマダ プレス金型のノツクアウト装置
JPH0376622U (en:Method) * 1989-11-20 1991-07-31
JP2010531237A (ja) * 2007-06-28 2010-09-24 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 打抜き装置
JP2010221288A (ja) * 2009-03-25 2010-10-07 Pascal Engineering Corp 油圧クッションのサージ圧防止装置

Also Published As

Publication number Publication date
JPS6345892B2 (en:Method) 1988-09-12

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