ES378119A1 - Press - Google Patents

Press

Info

Publication number
ES378119A1
ES378119A1 ES378119A ES378119A ES378119A1 ES 378119 A1 ES378119 A1 ES 378119A1 ES 378119 A ES378119 A ES 378119A ES 378119 A ES378119 A ES 378119A ES 378119 A1 ES378119 A1 ES 378119A1
Authority
ES
Spain
Prior art keywords
free end
crank
support plate
knee
longer
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
ES378119A
Other languages
Spanish (es)
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.)
INT PRESS DEV EST
Original Assignee
INT PRESS DEV EST
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 INT PRESS DEV EST filed Critical INT PRESS DEV EST
Publication of ES378119A1 publication Critical patent/ES378119A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B30B1/10—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 toggle mechanism
    • B30B1/16—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 toggle mechanism operated by fluid-pressure means
    • 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
    • B29C45/68—Mould opening, closing or clamping devices hydro-mechanical
    • B29C45/681—Mould opening, closing or clamping devices hydro-mechanical using a toggle mechanism as mould clamping device

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Press Drives And Press Lines (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Presses And Accessory Devices Thereof (AREA)

Abstract

Closing apparatus for presses, especially for die-cast or pressure-cast presses, of the type that two knee-shaped joints which in a folded position rest on a support plate and the mobile plate of the press, each of the knee joints a shorter arm that is attached to the movable plate and a longer one that has a free end capable of resting on said support plate, characterized by the fact that said free end of each of the rods or Longer connecting rods are attached to a crank and the latter is hinged to an element rigidly attached to the movable plate of the press, so that said free end of the longer shank is guided along a circle arc towards a stop on the support plate in the phase of distension of the knee joint, and the shortest and longest arm of the knee joint and said crank form three sides of a quadrilateral or articulated, whose fourth side is constituted by the straight line that joins the axes of the fixed joints of the shorter arm and the crank. (Machine-translation by Google Translate, not legally binding)
ES378119A 1969-07-16 1970-04-01 Press Expired ES378119A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1969669 1969-07-16

Publications (1)

Publication Number Publication Date
ES378119A1 true ES378119A1 (en) 1972-05-16

Family

ID=11160450

Family Applications (1)

Application Number Title Priority Date Filing Date
ES378119A Expired ES378119A1 (en) 1969-07-16 1970-04-01 Press

Country Status (5)

Country Link
US (1) US3667890A (en)
CH (1) CH498701A (en)
ES (1) ES378119A1 (en)
FR (1) FR2056141A5 (en)
GB (1) GB1296140A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799728A (en) * 1972-05-18 1974-03-26 Int Fabric Molders Inc Mold closing device for fabric molding
US3823765A (en) * 1972-09-05 1974-07-16 Watry Ind Inc Die casting machine
US3927711A (en) * 1974-01-31 1975-12-23 Fisher Gauge Ltd High pressure die casting apparatus
US4064928A (en) * 1976-11-30 1977-12-27 Ex-Cell-O Corporation Die casting machine
US4088432A (en) * 1977-03-01 1978-05-09 Package Machinery Company Mold lockup mechanism
IT1108278B (en) * 1978-12-11 1985-12-02 Ind Macchine Idrauliche I M I IMPROVEMENT IN CLOSING AND LOCKING DEVICES FOR KNEE PRESSES
CH646077A5 (en) * 1980-05-30 1984-11-15 Spuehl Ag TOOL HOLDER FOR PLASTIC MOLDING APPARATUS, ESPECIALLY FOR RECEIVING FOAM TOOLS.
IT8121861V0 (en) * 1981-05-22 1981-05-22 Pagnoni Flli SIMULTANEOUS CLOSING DEVICE OF THE TWO COMPARTMENTS OF A PRESS FOR THE PRODUCTION OF WOOD CHIPBOARDS OR FIBROSIS OR ITS SUBSTITUTES.
DE59404987D1 (en) * 1993-03-23 1998-02-19 Leinhaas Umformtechnik Gmbh Process for hydraulic control of an articulated or toggle press and articulated or toggle press with a control adapted for carrying out the process
TWI382913B (en) * 2010-09-01 2013-01-21 Long Iong Wu Ten-link type double-toggle mold clamping mechanisms

Also Published As

Publication number Publication date
CH498701A (en) 1970-11-15
US3667890A (en) 1972-06-06
FR2056141A5 (en) 1971-05-14
DE2019919A1 (en) 1971-01-28
DE2019919B2 (en) 1975-06-12
GB1296140A (en) 1972-11-15

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