JPS61195817U - - Google Patents

Info

Publication number
JPS61195817U
JPS61195817U JP7681885U JP7681885U JPS61195817U JP S61195817 U JPS61195817 U JP S61195817U JP 7681885 U JP7681885 U JP 7681885U JP 7681885 U JP7681885 U JP 7681885U JP S61195817 U JPS61195817 U JP S61195817U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
pressure pad
die
cushion shaft
pressure
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.)
Pending
Application number
JP7681885U
Other languages
Japanese (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 JP7681885U priority Critical patent/JPS61195817U/ja
Publication of JPS61195817U publication Critical patent/JPS61195817U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面構成図及
び油系統図、第２図は動作を説明するためのスラ
イドならびにプレツシヤパツドのストローク図、
第３図および第４図は従来例の動作説明のための
断面図である。 １１……ポンチ、１４……ダイ、１５……スラ
イド、１６……プレツシヤパツド、１８……クツ
シヨンピン、２０……プレツシヤリング、２１…
…空気圧シリンダ、２３……クツシヨン軸、２８
……油圧シリンダ、２９……ピストン、３０……
予備加速回路、３３……サーボ弁、３９……油室
、４０……上限ダンパ回路。 Fig. 1 is a sectional configuration diagram and oil system diagram showing one embodiment of the present invention, Fig. 2 is a stroke diagram of a slide and a pressure pad to explain the operation,
3 and 4 are cross-sectional views for explaining the operation of the conventional example. 11... Punch, 14... Die, 15... Slide, 16... Pressure pad, 18... Cushion pin, 20... Pressure ring, 21...
...Pneumatic cylinder, 23...Cushion shaft, 28
... Hydraulic cylinder, 29 ... Piston, 30 ...
Preliminary acceleration circuit, 33...servo valve, 39...oil chamber, 40...upper limit damper circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上面にダイとの間でブランク周縁部を保持する
プレツシヤリングが設けられたプレツシヤパツド
及び該プレツシヤパツドを上方に付勢する空気圧
シリンダを有するダイクツシヨン装置において、
前記プレツシヤパツドのクツシヨン軸の下部に該
クツシヨン軸を下方に引きさげ可能なピストンを
有する油圧シリンダを設け、前記油圧シリンダの
油圧回路中に該油圧シリンダに流入する油量を制
御するサーボ弁を設けたことを特徴とするダイク
ツシヨン装置。 A die cutting device having a pressure pad provided with a pressure ring on the upper surface to hold the peripheral edge of the blank between it and the die, and a pneumatic cylinder that urges the pressure pad upward,
A hydraulic cylinder having a piston capable of pulling the cushion shaft downward is provided below the cushion shaft of the pressure pad, and a servo valve for controlling the amount of oil flowing into the hydraulic cylinder is provided in the hydraulic circuit of the hydraulic cylinder. A dictation device characterized by:
JP7681885U 1985-05-23 1985-05-23 Pending JPS61195817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7681885U JPS61195817U (en) 1985-05-23 1985-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7681885U JPS61195817U (en) 1985-05-23 1985-05-23

Publications (1)

Publication Number Publication Date
JPS61195817U true JPS61195817U (en) 1986-12-06

Family

ID=30619306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7681885U Pending JPS61195817U (en) 1985-05-23 1985-05-23

Country Status (1)

Country Link
JP (1) JPS61195817U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04258400A (en) * 1990-10-12 1992-09-14 Teledyne Ind Inc Press assembly and its operation method
JP2010046716A (en) * 2008-08-25 2010-03-04 Feintool Intellectual Property Ag Method of and device for controlling the synchronization of cylinder/piston unit and for reducing pressure peak during forming and/or fineblanking on press

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5699024A (en) * 1979-12-29 1981-08-10 Warnke Umformtech Veb K Hydraulic pressure device for attenuating upward motion of die cushion of controllable pneumatic pressure type die cushion
JPS6114026A (en) * 1984-06-29 1986-01-22 Ishikawajima Harima Heavy Ind Co Ltd Die cushion device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5699024A (en) * 1979-12-29 1981-08-10 Warnke Umformtech Veb K Hydraulic pressure device for attenuating upward motion of die cushion of controllable pneumatic pressure type die cushion
JPS6114026A (en) * 1984-06-29 1986-01-22 Ishikawajima Harima Heavy Ind Co Ltd Die cushion device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04258400A (en) * 1990-10-12 1992-09-14 Teledyne Ind Inc Press assembly and its operation method
JP2010046716A (en) * 2008-08-25 2010-03-04 Feintool Intellectual Property Ag Method of and device for controlling the synchronization of cylinder/piston unit and for reducing pressure peak during forming and/or fineblanking on press

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