CA1024858A - Hydraulic drive for the die closing unit of an injection molding machine - Google Patents

Hydraulic drive for the die closing unit of an injection molding machine

Info

Publication number
CA1024858A
CA1024858A CA219,238A CA219238A CA1024858A CA 1024858 A CA1024858 A CA 1024858A CA 219238 A CA219238 A CA 219238A CA 1024858 A CA1024858 A CA 1024858A
Authority
CA
Canada
Prior art keywords
injection molding
molding machine
hydraulic drive
closing unit
die closing
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.)
Expired
Application number
CA219,238A
Other languages
English (en)
French (fr)
Other versions
CA219238S (en
Inventor
Karl Hehl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from DE2414668A external-priority patent/DE2414668C3/de
Priority claimed from DE2419314A external-priority patent/DE2419314C3/de
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1024858A publication Critical patent/CA1024858A/en
Expired legal-status Critical Current

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
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • B29C45/6764—Mould opening, closing or clamping devices hydraulic using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement
    • B29C45/6771—Mould opening, closing or clamping devices hydraulic using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement the connection being provided within the clamping cylinder
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Actuator (AREA)
CA219,238A 1974-03-27 1975-02-03 Hydraulic drive for the die closing unit of an injection molding machine Expired CA1024858A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2414668A DE2414668C3 (de) 1974-03-27 1974-03-27 Hydraulischer Arbeitszylinder für die Formschließvorrichtung einer Kunststoff-Spritzgießmaschine
DE2419314A DE2419314C3 (de) 1974-04-22 1974-04-22 Hydraulischer Arbeitszylinder für die Formschließvorrichtung einer Kunststoff-Spritzgießmaschine

Publications (1)

Publication Number Publication Date
CA1024858A true CA1024858A (en) 1978-01-24

Family

ID=25766879

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219,238A Expired CA1024858A (en) 1974-03-27 1975-02-03 Hydraulic drive for the die closing unit of an injection molding machine

Country Status (9)

Country Link
US (1) US3935791A (nl)
JP (1) JPS586616B2 (nl)
AT (1) AT354066B (nl)
CA (1) CA1024858A (nl)
CH (1) CH581022A5 (nl)
FR (1) FR2265526B1 (nl)
GB (1) GB1490775A (nl)
IT (1) IT1025883B (nl)
NL (1) NL173991C (nl)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2459025B2 (de) * 1974-12-13 1978-12-21 Karl 7298 Lossburg Hehl Formenschließeinheit für eine Spritzgießmaschine
JPS5342248A (en) * 1976-09-30 1978-04-17 Katashi Aoki Mold cramping device for injection molder
DE2845448C2 (de) * 1978-10-19 1982-09-16 Karl 7298 Loßburg Hehl Hydraulischer Arbeitszylinder für die Formschließvorrichtung einer Kunststoff-Spritzgießmaschine
DE3044137C2 (de) * 1980-11-24 1985-01-31 Karl 7298 Loßburg Hehl Formschließeinheit zum Aufnehmen einer Kunststoffspritzgießform
JPS6045696B2 (ja) * 1982-07-26 1985-10-11 三菱マテリアル株式会社 銅系形状記憶合金
JPH0217961Y2 (nl) * 1984-10-13 1990-05-21
IN168838B (nl) * 1987-02-28 1991-06-22 Nissei Plastics Ind Co
JPH07110509B2 (ja) * 1992-02-05 1995-11-29 日精樹脂工業株式会社 射出成形機の型締装置
GB9225495D0 (en) * 1992-12-05 1993-01-27 Emb Redman Ltd Apparatus and method for moving a die of a pressure die casting machine
DE4335006C1 (de) * 1993-10-14 1995-03-30 Karl Hehl Formschließeinheit für eine Kunststoff-Spritzgießmaschine
AT404640B (de) * 1994-02-18 1999-01-25 Engel Gmbh Maschbau Verfahren zum betätigen der schliesseinrichtung einer zweiplatten-spritzgiessmaschine
JP5524348B2 (ja) * 2009-12-04 2014-06-18 歩 明 黄 型締装置
CN103557199B (zh) * 2013-11-15 2015-09-30 中国人民解放军国防科学技术大学 一种变截面液压缸及其液压控制系统和控制方法
FR3028589B1 (fr) * 2014-11-14 2018-06-22 Db Industries Verin hydraulique a transfert de volume interne
CN109973670A (zh) * 2018-12-25 2019-07-05 兰控阀门执行器江苏有限公司 一种防尘型阀门执行器
FR3101389B1 (fr) * 2019-09-30 2021-10-22 Staubli Sa Ets Raccord fluidique
JP7299962B2 (ja) * 2021-12-01 2023-06-28 日精樹脂工業株式会社 型締装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340756A (en) * 1965-01-08 1967-09-12 Yoder Co Die accelerator
DE1778952C3 (de) * 1968-06-22 1979-07-05 Karl 7298 Lossburg Hehl Hydraulische Formschließvorrichtung für eine Kunststoff-Spritzgießmaschine

Also Published As

Publication number Publication date
AT354066B (de) 1979-12-27
FR2265526A1 (nl) 1975-10-24
NL7414920A (nl) 1975-09-30
CH581022A5 (nl) 1976-10-29
JPS586616B2 (ja) 1983-02-05
US3935791A (en) 1976-02-03
NL173991B (nl) 1983-11-01
JPS50128755A (nl) 1975-10-11
IT1025883B (it) 1978-08-30
GB1490775A (en) 1977-11-02
FR2265526B1 (nl) 1979-03-23
NL173991C (nl) 1984-04-02
ATA955474A (de) 1979-05-15

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