JPH046400U - - Google Patents

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Publication number
JPH046400U
JPH046400U JP4565890U JP4565890U JPH046400U JP H046400 U JPH046400 U JP H046400U JP 4565890 U JP4565890 U JP 4565890U JP 4565890 U JP4565890 U JP 4565890U JP H046400 U JPH046400 U JP H046400U
Authority
JP
Japan
Prior art keywords
dictation
pressure
hydraulic
supply
bottom side
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
JP4565890U
Other languages
Japanese (ja)
Other versions
JPH0753837Y2 (en
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 JP4565890U priority Critical patent/JPH0753837Y2/en
Publication of JPH046400U publication Critical patent/JPH046400U/ja
Application granted granted Critical
Publication of JPH0753837Y2 publication Critical patent/JPH0753837Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Presses And Accessory Devices Thereof (AREA)

Description

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

第１図はこの考案の実施例のダイクツシヨンピ
ン選択用シリンダの縦断正面図、第２図は同シリ
ンダの左側面図、第３図は同シリンダの底面図、
第４図はこの考案の実施例のダイクツシヨンピン
選択装置の概略の構成を示す油圧回路図、第５図
はこの考案のダイクツシヨンピン選択装置の他の
実施例の概略の構成を示す油圧回路図である。 １……ダイクツシヨンピン選択用シリンダ、２
……圧油供給回路、３……排出回路、４……空気
パイロツト回路、５……給排回路、１０……シリ
ンダ本体、１１……ピストン、１２……ピストン
ロツド、１３……ロツドカバー、１４……ボトム
カバー、１５……切換弁、１８……スプール、１
９……ボトム側圧力室、２１……ばね、２６……
自己保持用圧力室、２９……ロード側圧力室、５
３……油圧源、６３……電磁弁（第１電磁弁）、
６４……圧力空気源、７１……電磁弁（第１電磁
弁）。 Fig. 1 is a longitudinal sectional front view of a cylinder for selecting a dictation pin according to an embodiment of this invention, Fig. 2 is a left side view of the cylinder, and Fig. 3 is a bottom view of the cylinder.
FIG. 4 is a hydraulic circuit diagram showing a general configuration of a dictation pin selection device according to an embodiment of this invention, and FIG. 5 shows a schematic configuration of another embodiment of a dictation pin selection device according to this invention. It is a hydraulic circuit diagram. 1... Cylinder for dictation pin selection, 2
... Pressure oil supply circuit, 3 ... Discharge circuit, 4 ... Air pilot circuit, 5 ... Supply and discharge circuit, 10 ... Cylinder body, 11 ... Piston, 12 ... Piston rod, 13 ... Rod cover, 14 ... ...Bottom cover, 15...Switching valve, 18...Spool, 1
9...bottom side pressure chamber, 21...spring, 26...
Self-holding pressure chamber, 29...Load side pressure chamber, 5
3... Hydraulic power source, 63... Solenoid valve (first solenoid valve),
64... Pressure air source, 71... Solenoid valve (first solenoid valve).

Claims (1)

【実用新案登録請求の範囲】 (1) ボルスタに設けられたダイクツシヨンピン
の各々の下側位置にダイクツシヨンピンをピスト
ンロツドの上端で押上げて使用状態とするように
ダイクツシヨンパツド上側に取付けられた油圧シ
リンダと、その油圧シリンダのボトム側圧力室に
対する圧油給排用の切換弁とを具備するダイクツ
シヨンピン選択用油シリンダにおいて、前記切換
弁が、前記ボトム側圧力室とダイクツシヨンパツ
ド側取付面との間に設けられており、空気圧によ
り排出状態から供給状態に切換えられる空気圧パ
イロツト部を有していると共にその供給状態を前
記ボトム側圧力室の油圧により維持する自己保持
型に形成されていることを特徴とするダイクツシ
ヨンピン選択用油圧シリンダ。 (2) 請求項(1)に記載の複数のダイクツシヨンピ
ン選択用油圧シリンダと、油圧供給源を複数の前
記切換弁のポンプポートの各々に接続している途
中で分岐した圧油供給回路と、複数の前記切換弁
のタンクポートをタンクへ接続している排出回路
と、複数の前記切換弁のパイロツトポートへ圧力
空気源を各別に第１電磁弁を介して接続している
空気パイロツト回路と、複数の前記油圧シリンダ
のピストンロツド側の圧力室へ圧油を給排する給
排回路とからなることを特徴とするダイクツシヨ
ンピン選択装置。[Scope of Claim for Utility Model Registration] (1) Dictation pads are placed in the lower position of each of the dicution pins provided on the bolster so that the dicution pins are pushed up by the upper end of the piston rod to be in use. A dictation pin selection oil cylinder comprising a hydraulic cylinder mounted on the upper side and a switching valve for supplying and discharging pressure oil to and from a bottom side pressure chamber of the hydraulic cylinder, wherein the switching valve is configured to control the bottom side pressure chamber. and the dictation pad side mounting surface, and has a pneumatic pilot section that is switched from the discharge state to the supply state by air pressure, and the supply state is maintained by the hydraulic pressure of the bottom side pressure chamber. A hydraulic cylinder for selecting a dictation pin, characterized in that it is formed into a self-retaining type. (2) A plurality of dictation pin selection hydraulic cylinders according to claim (1), and a pressure oil supply circuit branched in the middle of connecting a hydraulic pressure supply source to each of the pump ports of the plurality of switching valves. a discharge circuit connecting the tank ports of the plurality of switching valves to the tank; and an air pilot circuit connecting a pressurized air source to the pilot ports of the plurality of switching valves individually via a first solenoid valve. and a supply/discharge circuit for supplying and discharging pressure oil to the pressure chambers on the piston rod side of the plurality of hydraulic cylinders.
JP4565890U 1990-04-26 1990-04-26 Hydraulic cylinder for die cushion pin selection and die cushion pin selection device Expired - Fee Related JPH0753837Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4565890U JPH0753837Y2 (en) 1990-04-26 1990-04-26 Hydraulic cylinder for die cushion pin selection and die cushion pin selection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4565890U JPH0753837Y2 (en) 1990-04-26 1990-04-26 Hydraulic cylinder for die cushion pin selection and die cushion pin selection device

Publications (2)

Publication Number Publication Date
JPH046400U true JPH046400U (en) 1992-01-21
JPH0753837Y2 JPH0753837Y2 (en) 1995-12-13

Family

ID=31560035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4565890U Expired - Fee Related JPH0753837Y2 (en) 1990-04-26 1990-04-26 Hydraulic cylinder for die cushion pin selection and die cushion pin selection device

Country Status (1)

Country Link
JP (1) JPH0753837Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0730750U (en) * 1993-11-30 1995-06-13 厚 宮岡 Cleaning brush

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0730750U (en) * 1993-11-30 1995-06-13 厚 宮岡 Cleaning brush

Also Published As

Publication number Publication date
JPH0753837Y2 (en) 1995-12-13

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Legal Events

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