JPS6220711U - - Google Patents

Info

Publication number
JPS6220711U
JPS6220711U JP11058385U JP11058385U JPS6220711U JP S6220711 U JPS6220711 U JP S6220711U JP 11058385 U JP11058385 U JP 11058385U JP 11058385 U JP11058385 U JP 11058385U JP S6220711 U JPS6220711 U JP S6220711U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
hydraulic
pressure
dictation
piping
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
JP11058385U
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 JP11058385U priority Critical patent/JPS6220711U/ja
Publication of JPS6220711U publication Critical patent/JPS6220711U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は本考案にかゝるプレス機械のクツシヨ
ン装置の全体構造を示す断面図、第２図はその一
部である油圧シリンダ部分を拡大して示す断面図
、第３図は油圧シリンダの配置状態を示す平面図
、第４図はプレス成形中におけるクツシヨン荷重
の制御例を示す説明図である。 １……上型、３……下型、５……ダイクツシヨ
ン、１０……油圧シリンダ、１１……クツシヨン
パツド、１２……圧力ピン、１３……ストローク
保持ピン、１４Ａ，１４Ｂ……配管、１５……油
圧制御装置、１６……油圧源、２３……サーボ弁
、２４……圧力センサ、２６……コントローラ。 Fig. 1 is a sectional view showing the overall structure of the cushioning device of a press machine according to the present invention, Fig. 2 is an enlarged sectional view of the hydraulic cylinder part, which is a part of the cushioning device, and Fig. 3 is a sectional view of the hydraulic cylinder. A plan view showing the arrangement state and FIG. 4 are explanatory diagrams showing an example of controlling the cushion load during press molding. 1... Upper die, 3... Lower die, 5... Diction, 10... Hydraulic cylinder, 11... Cushion pad, 12... Pressure pin, 13... Stroke holding pin, 14A, 14B... Piping, 15... ...hydraulic control device, 16...hydraulic source, 23...servo valve, 24...pressure sensor, 26...controller.

Claims (1)

【実用新案登録請求の範囲】 (1) 一端にクツシヨンパツドを支持する圧力ピ
ンのダイクツシヨンへの連結部に油圧シリンダを
介装し、前記油圧シリンダに該油圧シリンダ内油
圧を制御する油圧制御装置を接続し、かつ前記ダ
イクツシヨンと上型との間に、該ダイクツシヨン
の下降中に前記油圧シリンダの作動状態を保持す
るストローク保持ピンを介装したことを特徴とす
るプレス機械のクツシヨン装置。 (2) 油圧制御装置が、油圧シリンダに配管で結
ぶ圧力制御用サーボ弁と、前記配管に介装した圧
力センサと、前記圧力センサからの信号にもとづ
き前記サーボ弁の作動を制御するコントローラと
を含むことを特徴とする実用新案登録請求の範囲
第１項記載のプレス機械のクツシヨン装置。[Claims for Utility Model Registration] (1) A hydraulic cylinder is interposed in the connecting portion of the pressure pin supporting the cushion pad at one end to the dictation, and a hydraulic control device for controlling the hydraulic pressure in the hydraulic cylinder is connected to the hydraulic cylinder. A cushion device for a press machine, further comprising a stroke holding pin interposed between the dictation and the upper mold for maintaining the operating state of the hydraulic cylinder during the descent of the dictation. (2) The hydraulic control device includes a pressure control servo valve connected to a hydraulic cylinder by piping, a pressure sensor installed in the piping, and a controller that controls the operation of the servo valve based on a signal from the pressure sensor. A cushioning device for a press machine according to claim 1, characterized in that it comprises:
JP11058385U 1985-07-19 1985-07-19 Pending JPS6220711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11058385U JPS6220711U (en) 1985-07-19 1985-07-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11058385U JPS6220711U (en) 1985-07-19 1985-07-19

Publications (1)

Publication Number Publication Date
JPS6220711U true JPS6220711U (en) 1987-02-07

Family

ID=30989712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11058385U Pending JPS6220711U (en) 1985-07-19 1985-07-19

Country Status (1)

Country Link
JP (1) JPS6220711U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992022391A1 (en) * 1991-06-17 1992-12-23 Toyota Jidosha Kabushiki Kaisha Method of preventing plungers from bottoming in die cushion pin pressure equalizing system
JPH0557362A (en) * 1991-09-04 1993-03-09 Toyota Motor Corp Press machine
JPH0569050A (en) * 1991-09-06 1993-03-23 Toyota Motor Corp Press
JPH06190464A (en) * 1992-11-05 1994-07-12 Toyota Motor Corp Die cushion device for press
EP0626223A1 (en) * 1993-05-25 1994-11-30 Toyota Jidosha Kabushiki Kaisha Method and apparatus for adjusting pressure of cushioning pneumatic cylinder pressure on press, when cushion platen is at its setup position
JPH0824960A (en) * 1994-07-15 1996-01-30 Toyota Motor Corp Press apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992022391A1 (en) * 1991-06-17 1992-12-23 Toyota Jidosha Kabushiki Kaisha Method of preventing plungers from bottoming in die cushion pin pressure equalizing system
JPH0557362A (en) * 1991-09-04 1993-03-09 Toyota Motor Corp Press machine
JPH0569050A (en) * 1991-09-06 1993-03-23 Toyota Motor Corp Press
JPH06190464A (en) * 1992-11-05 1994-07-12 Toyota Motor Corp Die cushion device for press
EP0626223A1 (en) * 1993-05-25 1994-11-30 Toyota Jidosha Kabushiki Kaisha Method and apparatus for adjusting pressure of cushioning pneumatic cylinder pressure on press, when cushion platen is at its setup position
JPH0824960A (en) * 1994-07-15 1996-01-30 Toyota Motor Corp Press apparatus

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