KR950704618A - 고속 고부하 실린더 장치(High speed and high load cylinder device) - Google Patents

고속 고부하 실린더 장치(High speed and high load cylinder device) Download PDF

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Publication number
KR950704618A
KR950704618A KR1019950701983A KR19950701983A KR950704618A KR 950704618 A KR950704618 A KR 950704618A KR 1019950701983 A KR1019950701983 A KR 1019950701983A KR 19950701983 A KR19950701983 A KR 19950701983A KR 950704618 A KR950704618 A KR 950704618A
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KR
South Korea
Prior art keywords
pressure
cylinder
high speed
sequence valve
piston
Prior art date
Application number
KR1019950701983A
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English (en)
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KR100212365B1 (ko
Inventor
히또시 사와무라
Original Assignee
가따다 데쯔야
가부시끼 가이샤 고마쯔 세이야꾸쇼
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Publication of KR950704618A publication Critical patent/KR950704618A/ko
Application granted granted Critical
Publication of KR100212365B1 publication Critical patent/KR100212365B1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/161—Control arrangements for fluid-driven presses controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/022—Systems essentially incorporating special features for controlling the speed or actuating force of an output member in which a rapid approach stroke is followed by a slower, high-force working stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/41—Flow control characterised by the positions of the valve element
    • F15B2211/411—Flow control characterised by the positions of the valve element the positions being discrete
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/41536—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/575—Pilot pressure control
    • F15B2211/5753—Pilot pressure control for closing a valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/575—Pilot pressure control
    • F15B2211/5756—Pilot pressure control for opening a valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7055—Linear output members having more than two chambers
    • F15B2211/7056—Tandem cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Presses (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Punching Or Piercing (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

본 발명은 작은 입력 수용 면적을 갖는 고속 실린더(10)의 피스톤과 큰 압력 수용 면적을 갖는 가압 실린더(2)의 피스톤을 연결하고, 상기 고속 실린더 및 가압 실린더에 유압을 공급하는 유압 회로를 설치하여 구성되는 고속 고부하 실린더 장치에 있어서, 상기 가압 실린더(2)의 상부 챔버(21)와 하부 챔버(22)를 연동시키기 위해 상기 가압 실린더의 피스톤내에 설치된 통로(2e) 중간에 파일럿 압력에 의해 통로를 개폐하는 시이퀀스 밸브(5)를 설치함과 동시에 상기 시이퀀스 밸브에 파일럿 압력을 공급하여 상기 시이퀀스 밸브를 폐쇄하는 파일럿 회로를 설치하고, 상기 압력 회로 중에 상기 가압 실린더의 상부 챔버에 유압을 공급하는 배관(11) 중간에 고속 가압 절환 밸브(12)를 설치하며, 고속 동작을 요구할 때는 상기 시이퀀스 밸브(5)에 파이럿 압력을 공급하지 않고 또한 상기 고속 가압 절환 밸브(12)를 폐쇄하고, 큰 가압력을 요구할 때는 상기 시이퀀스 밸브(5)에 파일럿 압력을 공급하고 또한 상기 고속 가압 절환 밸브(12)를 개방하도록 한 것을 특징으로 하는 고속 고부하 실린더 장치에 관한 것이다. 이 구성에 의해, 외부 배관을 요구함 없이 고속 동작 및 고부하에 대응하는 동작이 가능하게 된다.

Description

고속 고부하 실린더 장치(High speed and high load cylnder device)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 고속 고부하 실린더 장치의 일실시예의 고속 동작시의 단면도,
제3도는 상기 실시예의 고부하 작동시의 단면도.

Claims (2)

  1. 작은 입력 수용 면적을 갖는 고속 실린더의 피스톤과 큰 압력 수용 면적을 갖는 가압 실린더의 피스톤을 연결하고, 상기 고속 실린더 및 가압 실린더에 유압을 공급하는 유압 회로를 설치하므로써 구성되는 고속 고부하 실린더 장치에 있어서, 상기 가압 실린더의 상부 챔버와 하부 챔버를 연동 시키기 위해 상기 가압 실린더의 피스톤내에 설치된 통로 중간에 파일럿 압력에 의해 통로를 개폐하는 시이퀀스 밸브를 설치함과 동시에, 상기 시이퀀스 밸브에 파일럿 압력을 공급하여 상기 시이퀀스 밸브를 폐쇄하는 파일럿 압력 회로를 설치하고, 상기 유압 회로중에 상기 가압 실린더의 상부 챔버에 유압을 공급하는 배관 중간에 고속 가압 절환 밸브를 설치하며, 고속 동작을 요구할 때는 상기 시이퀀스 밸브에 파일럿 압력을 공급하지 않고 또한 상기 고속 가압 절환 밸브를 폐쇄하고, 큰 가압력을 요구할 때는 상기 시이퀀스 밸브에 파일럿 압력을 공급하고 또한 상기 고속 가압 절환 밸브를 개방하도록 한 것을 특징으로 하는 고속 고부하 실린더 장치.
  2. 제1항에 있어서, 상기 양 실린더의 피스톤을 피스톤 로드를 거쳐서 연결하고, 이 피스톤 로드내에 파일럿 압력 공급 통로를 설치한 것을 특징으로 하는 고속 고부하 실린더 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950701983A 1992-11-19 1993-10-18 고속 고부하 실린더 장치 KR100212365B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP92-309843 1992-11-19
JP4309843A JPH06155089A (ja) 1992-11-19 1992-11-19 高速、高負荷シリンダ装置
PCT/JP1993/001497 WO1994011639A1 (en) 1992-11-19 1993-10-18 High-speed and high-load cylinder device

Publications (2)

Publication Number Publication Date
KR950704618A true KR950704618A (ko) 1995-11-20
KR100212365B1 KR100212365B1 (ko) 1999-08-02

Family

ID=17997952

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950701983A KR100212365B1 (ko) 1992-11-19 1993-10-18 고속 고부하 실린더 장치

Country Status (4)

Country Link
US (1) US5558000A (ko)
JP (1) JPH06155089A (ko)
KR (1) KR100212365B1 (ko)
WO (1) WO1994011639A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1192714A (zh) * 1995-07-06 1998-09-09 株式会社小松制作所 高速高负荷液压缸系统和其控制方法
CN1191507A (zh) * 1995-07-25 1998-08-26 株式会社小松制作所 液压机的高速安全回路
JP3690534B2 (ja) * 1995-10-25 2005-08-31 株式会社小松製作所 高速液圧プレス
CN101655115B (zh) * 2009-08-27 2013-03-27 刘放 一种带顺序活门的液压缸
CN104476806A (zh) * 2014-10-31 2015-04-01 无锡市威海达机械制造有限公司 一种用于冷等静压设备的增压机构
CN113864293B (zh) * 2021-08-27 2023-07-25 武汉船用机械有限责任公司 液压容器制动装置及其使用方法
US20230339605A1 (en) * 2022-04-22 2023-10-26 Hamilton Sundstrand Corporation Hydraulic actuator including a multi-head piston for hydraulic gearing

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US2661726A (en) * 1941-03-18 1953-12-08 Alfieri Giuseppe Fluid pressure motor
US4286929A (en) * 1977-03-23 1981-09-01 Rodney T. Heath Dual pressure gas motor, and method of operation
JPS6093716A (ja) * 1983-10-28 1985-05-25 株式会社日立製作所 流体圧駆動装置
JPS6367404A (ja) * 1986-09-06 1988-03-26 Nok Corp ピストンシリンダ装置
US5031509A (en) * 1988-03-25 1991-07-16 Titan Tool, Inc. Anti-leak seal for pump motor
US5191825A (en) * 1992-06-12 1993-03-09 Doben Limited Low-impact air cylinder

Also Published As

Publication number Publication date
WO1994011639A1 (en) 1994-05-26
JPH06155089A (ja) 1994-06-03
US5558000A (en) 1996-09-24
KR100212365B1 (ko) 1999-08-02

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