JPH0336398U - - Google Patents

Info

Publication number
JPH0336398U
JPH0336398U JP9250889U JP9250889U JPH0336398U JP H0336398 U JPH0336398 U JP H0336398U JP 9250889 U JP9250889 U JP 9250889U JP 9250889 U JP9250889 U JP 9250889U JP H0336398 U JPH0336398 U JP H0336398U
Authority
JP
Japan
Prior art keywords
hydraulic
workpiece
opened
operated
hydraulic control
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
JP9250889U
Other languages
Japanese (ja)
Other versions
JPH0718477Y2 (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 JP1989092508U priority Critical patent/JPH0718477Y2/en
Publication of JPH0336398U publication Critical patent/JPH0336398U/ja
Application granted granted Critical
Publication of JPH0718477Y2 publication Critical patent/JPH0718477Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Presses And Accessory Devices Thereof (AREA)
  • Control Of Presses (AREA)

Description

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

第１図はこの考案に係る油圧プレス機械の油圧
装置の主要経路図、第２図は第１図の矢視部の
拡大断面図、第３図はラムストローク線図、第４
図はこの考案を実施する一実施例の油圧式タレツ
トパンチプレスの側面図である。 １７……パンチ、１９……ダイ、２１……油圧
シリンダ、４１……ラム、５５……油圧制御弁、
６５……油圧制御弁。 Fig. 1 is a main route diagram of the hydraulic system of the hydraulic press machine according to this invention, Fig. 2 is an enlarged cross-sectional view of the section taken in the direction of the arrow in Fig. 1, Fig. 3 is a ram stroke diagram, and Fig. 4 is a ram stroke diagram.
The figure is a side view of a hydraulic turret punch press according to an embodiment of this invention. 17...Punch, 19...Die, 21...Hydraulic cylinder, 41...Ram, 55...Hydraulic control valve,
65... Hydraulic control valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧シリンダによりラムを上下動させてパンチ
とダイとの協働でワークにプレス加工を行なう油
圧プレス機械において、前記油圧シリンダの油圧
回路に、パンチをワークに接近させるアプローチ
工程では、前記全油圧制御弁を開通して高速作動
し、ワークを加圧する加工工程では、一部の油圧
制御弁のみ開通して低速作動すべく複数の油圧制
御弁を並列状態に設けてなることを特徴とする油
圧プレス機械の油圧装置。 In a hydraulic press machine in which a ram is moved up and down by a hydraulic cylinder to perform press processing on a workpiece in collaboration with a punch and a die, the hydraulic circuit of the hydraulic cylinder is connected to the full hydraulic control in the approach process in which the punch approaches the workpiece. A hydraulic press characterized in that a plurality of hydraulic control valves are provided in parallel so that only some of the hydraulic control valves are opened and operated at low speed during a processing process in which the valves are opened and operated at high speed to pressurize the workpiece. Hydraulic system of the machine.
JP1989092508U 1989-08-08 1989-08-08 Hydraulic system of hydraulic press machine Expired - Lifetime JPH0718477Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989092508U JPH0718477Y2 (en) 1989-08-08 1989-08-08 Hydraulic system of hydraulic press machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989092508U JPH0718477Y2 (en) 1989-08-08 1989-08-08 Hydraulic system of hydraulic press machine

Publications (2)

Publication Number Publication Date
JPH0336398U true JPH0336398U (en) 1991-04-09
JPH0718477Y2 JPH0718477Y2 (en) 1995-05-01

Family

ID=31641931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989092508U Expired - Lifetime JPH0718477Y2 (en) 1989-08-08 1989-08-08 Hydraulic system of hydraulic press machine

Country Status (1)

Country Link
JP (1) JPH0718477Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142169A (en) * 1975-06-02 1976-12-07 Sumitomo Heavy Ind Ltd High speed hydraulic pressure press
JPS58168422A (en) * 1982-03-31 1983-10-04 Sumitomo Light Metal Ind Ltd Method and device for controlling speed of ram in metal extruding press

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142169A (en) * 1975-06-02 1976-12-07 Sumitomo Heavy Ind Ltd High speed hydraulic pressure press
JPS58168422A (en) * 1982-03-31 1983-10-04 Sumitomo Light Metal Ind Ltd Method and device for controlling speed of ram in metal extruding press

Also Published As

Publication number Publication date
JPH0718477Y2 (en) 1995-05-01

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