ATE281293T1 - Verfahren und vorrichtung zur automatischen druckregelung von hydraulischen zylindern für spritzgiessheisskanäle - Google Patents

Verfahren und vorrichtung zur automatischen druckregelung von hydraulischen zylindern für spritzgiessheisskanäle

Info

Publication number
ATE281293T1
ATE281293T1 AT02004272T AT02004272T ATE281293T1 AT E281293 T1 ATE281293 T1 AT E281293T1 AT 02004272 T AT02004272 T AT 02004272T AT 02004272 T AT02004272 T AT 02004272T AT E281293 T1 ATE281293 T1 AT E281293T1
Authority
AT
Austria
Prior art keywords
cylinder
pressure regulating
pressure
hydraulic
injection molding
Prior art date
Application number
AT02004272T
Other languages
English (en)
Inventor
Young-Hee Yu
Original Assignee
Yudo Co Ltd
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 by Yudo Co Ltd filed Critical Yudo Co Ltd
Application granted granted Critical
Publication of ATE281293T1 publication Critical patent/ATE281293T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/82—Hydraulic or pneumatic circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems
    • B29C45/281—Drive means therefor
    • 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
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1428—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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
    • 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
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing 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
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a 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
    • F15B2211/50—Pressure control
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief 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
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/76—Control of force or torque of the 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/865—Prevention of failures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Safety Valves (AREA)
AT02004272T 2001-11-28 2002-02-27 Verfahren und vorrichtung zur automatischen druckregelung von hydraulischen zylindern für spritzgiessheisskanäle ATE281293T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2001-0074490A KR100446819B1 (ko) 2001-11-28 2001-11-28 압력조절식 사출기 금형용 유압실린더의 유압자동조절방법및 그 장치

Publications (1)

Publication Number Publication Date
ATE281293T1 true ATE281293T1 (de) 2004-11-15

Family

ID=36750908

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02004272T ATE281293T1 (de) 2001-11-28 2002-02-27 Verfahren und vorrichtung zur automatischen druckregelung von hydraulischen zylindern für spritzgiessheisskanäle

Country Status (8)

Country Link
US (1) US20030098519A1 (de)
EP (1) EP1316405B1 (de)
JP (1) JP3833947B2 (de)
KR (1) KR100446819B1 (de)
CN (1) CN1254612C (de)
AT (1) ATE281293T1 (de)
DE (1) DE60201810T2 (de)
ES (1) ES2231595T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070119504A1 (en) 2005-11-28 2007-05-31 Yudo Co. Ltd. Heat dissipating apparatus for cylinders of injection molding machines
KR100942780B1 (ko) 2008-03-07 2010-02-18 김관표 사출성형기
CN105840585B (zh) * 2016-05-24 2017-10-31 中国工程物理研究院总体工程研究所 用于活塞冷却喷嘴性能实验台架的供油液压调节装置
CN108943606A (zh) * 2018-08-15 2018-12-07 杭州超特科技有限公司 一种热流道的液压缸机构及油液循环方法
CN110233296B (zh) * 2019-07-12 2024-04-12 国兴(东莞)新能源科技有限公司 一种软包锂离子电池封装机构
CN113324059B (zh) * 2021-07-01 2024-08-16 西南交通大学 电动静液式高压阀门
CN113323942B (zh) * 2021-08-03 2021-10-19 烟台山河液压部件有限公司 一种具有缓冲性能的液压油缸
CN115674608B (zh) * 2023-01-03 2023-05-09 山西斯普瑞机械制造股份有限公司 一种硫化鞋机开合模自调专用阀

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1259156A (en) * 1986-10-31 1989-09-12 Harald H. Schmidt Fluid cooled hydraulic actuating mechanism for single cavity injection molding
JPS6387304U (de) * 1986-11-28 1988-06-07
DE4324275C2 (de) * 1993-07-20 1996-05-02 Incoe Corp Pneumatische Steuervorrichtung für Heißkanalnadelventile für Spritzgießwerkzeuge
KR960001163U (ko) * 1994-06-17 1996-01-17 자동차용 카페트 고정부재
JP2623075B2 (ja) * 1995-02-03 1997-06-25 悦男 安藤 流体シリンダ
JPH09262873A (ja) * 1996-03-29 1997-10-07 Mitsubishi Materials Corp 射出成形方法およびそれに用いる金型装置
KR200173586Y1 (ko) * 1998-04-06 2000-03-02 유영희 피스톤에 수지채널을 가지는 밸브노즐
JP2000025072A (ja) * 1998-07-13 2000-01-25 Mitsubishi Materials Corp 射出成形金型におけるバルブゲート装置のピン駆動機構
JP2000043103A (ja) * 1998-07-27 2000-02-15 Seiko Epson Corp ホットランナー・バルブゲート金型
JP3022551B1 (ja) * 1999-03-23 2000-03-21 株式会社南武 シリンダ装置
JP4024436B2 (ja) * 1999-10-13 2007-12-19 柳道実業株式会社 一つのピストンで多数のバルブピンを作動する射出成形機の樹脂注入装置
JP2001145942A (ja) * 1999-11-19 2001-05-29 Mitsubishi Materials Corp バルブゲート式金型装置
US6386508B1 (en) * 2000-06-05 2002-05-14 D-M-E Company Actuator having dual piston surfaces

Also Published As

Publication number Publication date
CN1421617A (zh) 2003-06-04
EP1316405B1 (de) 2004-11-03
JP3833947B2 (ja) 2006-10-18
CN1254612C (zh) 2006-05-03
KR100446819B1 (ko) 2004-09-01
EP1316405A1 (de) 2003-06-04
KR20030043354A (ko) 2003-06-02
ES2231595T3 (es) 2005-05-16
DE60201810D1 (de) 2004-12-09
DE60201810T2 (de) 2006-03-16
JP2003165143A (ja) 2003-06-10
US20030098519A1 (en) 2003-05-29

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