EP0150487B1 - Hydraulische Presse zum Verpressen von mit Glasfasern verstärkten Kunststoffmatten - Google Patents

Hydraulische Presse zum Verpressen von mit Glasfasern verstärkten Kunststoffmatten Download PDF

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Publication number
EP0150487B1
EP0150487B1 EP84116218A EP84116218A EP0150487B1 EP 0150487 B1 EP0150487 B1 EP 0150487B1 EP 84116218 A EP84116218 A EP 84116218A EP 84116218 A EP84116218 A EP 84116218A EP 0150487 B1 EP0150487 B1 EP 0150487B1
Authority
EP
European Patent Office
Prior art keywords
press
clamping
stroke
hydraulic press
coupling rod
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
EP84116218A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0150487A3 (en
EP0150487A2 (de
Inventor
Dirk Dipl. Ing. Brinkmann
Wolfgang Dipl. Ing. Müller
Walter Dipl. Ing. Sauerwald
Klaus Schmidts
Dieter Dipl. Ing. Therolf
Ulrich Dr. Ing. Weber
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.)
Maschinenfabrik J Dieffenbacher GmbH and Co
Original Assignee
Hoesch AG
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 Hoesch AG filed Critical Hoesch AG
Priority to AT84116218T priority Critical patent/ATE36133T1/de
Publication of EP0150487A2 publication Critical patent/EP0150487A2/de
Publication of EP0150487A3 publication Critical patent/EP0150487A3/de
Application granted granted Critical
Publication of EP0150487B1 publication Critical patent/EP0150487B1/de
Expired legal-status Critical Current

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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
    • B30B1/32—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
    • B30B1/323—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 using low pressure long stroke opening and closing means, and high pressure short stroke cylinder means

Definitions

  • the invention relates to a hydraulic press for pressing plastic mats reinforced with glass fibers into molded parts, with a fixed and a displaceable press crossmember and a press drive in which at least one adjusting cylinder with a stroke length corresponding to the working stroke of the press and at least two for driving the displaceable press crossmember Couplable press cylinders are arranged short strokes, a coupling rod and clamping means being used to couple each press cylinder to the displaceable press crossmember.
  • this press has four press cylinders, each of which is firmly connected to the coupling rod with its piston rod.
  • each coupling rod is coupled to the displaceable press crossmember with clamping means which are accommodated in the displaceable press crossmember.
  • Such a press stroke drive which is advantageous in itself, is not particularly suitable for retrofitting in a press.
  • the invention has for its object to design a press of the type mentioned in such a way that its press stroke drive is also more suitable for retrofitting in a press.
  • each press cylinder has a hollow lifting body through which the coupling rod is guided, and that a clamping device is arranged on the lifting body for coupling the lifting body to the coupling rod.
  • Each clamping device preferably contains a clamping sleeve to which a pressure medium can be applied.
  • Each lifting body is formed in a clamping area of the clamping sleeve with a plurality of longitudinal slots.
  • each tensioning device can also be equipped with a plurality of ring tensioning elements.
  • each clamping device is advantageously arranged between two ring pistons that can be pressurized with a pressure medium.
  • a hydraulic press 1 contains a press frame 2 with a fixed press crossmember 3, two side parts 4, 5 and two crossbars 6, 7. Screws 8, 9 connect the side parts 4, 5 with the fixed press crossmember 3 and the crossbars 6, 7.
  • the two side parts 4, 5 each have two vertical guides 10, 11, 12, 13 for guiding a displaceable press crossmember 14.
  • an adjusting cylinder 15 with a stroke length 17 corresponding to the working stroke 16 of the press 1 and four press cylinders 18, 19, 20, 21 with short strokes 22 are used.
  • the adjusting cylinder 15 is articulated with its upper end 23 to a support 24 resting on the crossbars 6, 7. Its lower end 25 is articulated to the displaceable press crossmember 14.
  • Each press cylinder 18, 19, 20, 21 has a housing flange 26, 27, 28, 29 which is fixedly connected to the fixed press crossmember 3.
  • the arrangement of the press cylinders 18, 19, 20, 21 is symmetrical to the press centers 30, 31.
  • Each press cylinder 18, 19, 20, 21 has a hollow lifting body 32, 33, 34, 35 with a piston 36, 37, 38, 39 and a cylindrical through-bore 40, 41, 42, 43.
  • a coupling rod 44, 45, 46, 47 with a round cross section is connected through each lifting body 32, 33, 34, 35 to the displaceable press crossmember 14.
  • each lifting body 32, 33, 34, 35 there is a hydraulic clamping device 48, 49, 50, 51, each with a clamping sleeve 52, 53, 54, 55.
  • all lifting bodies 32, 33, 34, 35 are each provided with eight longitudinal slots 56, 57, 58, 59.
  • the coupling of the lifting bodies 32, 33, 34, 35 to the coupling rods 44, 45, 46, 47 is achieved by pressurizing the annular spaces 60, 61, 62, 63 with oil.
  • the clamping sleeve 54 essentially braces the lifting body 34 with the coupling rod 46 in the region of the longitudinal slots 58.
  • the press crossmember 14 can then be moved within the short stroke 22.
  • a hydraulic press 64 contains a press frame 65 in which four vertical guides 66, 67, 68, 69 are arranged for guiding a displaceable press crossmember 70.
  • Two adjusting cylinders 71, 72 with a stroke length 74 corresponding to the working stroke 73 of the press 64 and four press cylinders 75, 76, 77, 78 short strokes 79 are used to drive the displaceable press crossmember 70.
  • Each adjusting cylinder 71, 72 is articulated with its upper end 80, 81 to a support 82, 83 connected to the press frame 65.
  • the lower end 84, 85 of each adjusting cylinder 71, 72 is connected in an articulated manner to the displaceable press crossmember 70 via a bearing 86, 87.
  • Each press cylinder 75, 76, 77, 78 has a housing flange 88, 89, 90, 91 which is fixedly connected to the press frame 65.
  • the arrangement of the adjusting cylinders 71, 72 and the press cylinders 75, 76, 77, 78 is symmetrical to the press centers 92, 93.
  • Each press cylinder 75, 76, 77, 78 has a hollow lifting body 94, 95, 96, 97 with a piston 98, 99, 100, 101 and a cylindrical through bore 102, 103, 104, 105.
  • a coupling rod 106, 107, 108, 109 of round cross-section is connected through each lifting body 94, 95, 96, 97 to the displaceable press crossmember 70.
  • a clamping device 110, 111, 112, 113, each with three ring clamping elements 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, is located on each lifting body 94, 95, 96, 97.
  • each clamping device 110, 111, 112, 113 are each arranged between two ring pistons 126, 127, 128, 129, 130, 131, 132, 133.
  • the coupling of the lifting bodies 94, 95, 96, 97 to the coupling rods 106, 107, 108, 109 is achieved by applying pressure oil to the annular pistons 126 to 133.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)
EP84116218A 1984-01-28 1984-12-22 Hydraulische Presse zum Verpressen von mit Glasfasern verstärkten Kunststoffmatten Expired EP0150487B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84116218T ATE36133T1 (de) 1984-01-28 1984-12-22 Hydraulische presse zum verpressen von mit glasfasern verstaerkten kunststoffmatten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3403006A DE3403006C2 (de) 1984-01-28 1984-01-28 Hydraulische Presse zum Verpressen von mit Glasfasern verstärkten Kunststoffmatten
DE3403006 1984-01-28

Publications (3)

Publication Number Publication Date
EP0150487A2 EP0150487A2 (de) 1985-08-07
EP0150487A3 EP0150487A3 (en) 1985-10-16
EP0150487B1 true EP0150487B1 (de) 1988-08-03

Family

ID=6226198

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84116218A Expired EP0150487B1 (de) 1984-01-28 1984-12-22 Hydraulische Presse zum Verpressen von mit Glasfasern verstärkten Kunststoffmatten

Country Status (5)

Country Link
US (1) US4565517A (enrdf_load_stackoverflow)
EP (1) EP0150487B1 (enrdf_load_stackoverflow)
JP (1) JPS60242020A (enrdf_load_stackoverflow)
AT (1) ATE36133T1 (enrdf_load_stackoverflow)
DE (2) DE3403006C2 (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432286C1 (de) * 1984-09-01 1985-08-22 Hoesch Ag, 4600 Dortmund Hydraulische Presse
DE3523164C1 (de) * 1985-06-28 1986-11-20 G. Siempelkamp Gmbh & Co, 4150 Krefeld Hydraulische Presse, insbes. für die Herstellung von Preßteilen aus faserverstärktem Kunststoff
DE3538683A1 (de) * 1985-10-31 1987-05-07 Hennecke Gmbh Maschf Schliesseinheit fuer formwerkzeuge, insbesondere solchen fuer die herstellung von polyurethan-formteilen
IT1222998B (it) * 1986-11-04 1990-09-12 Dieffenbacher Gmbh Maschf Pressa idraulica a corsa rapida
DE3637544A1 (de) * 1986-11-04 1988-05-05 Dieffenbacher Gmbh Maschf Hydraulische schnellhubpresse
US4744848A (en) * 1987-02-02 1988-05-17 Rhj Products, Inc. Method of forming a contoured shape
US4907959A (en) * 1987-04-02 1990-03-13 Mts Systems Corporation Hydraulic press having integrated column clamps and actuators
ATE55086T1 (de) * 1987-05-07 1990-08-15 Graebener Theodor Pressensyst Presse, insbesondere zum herstellen masshaltiger presslinge aus pulverfoermigen werkstoffen, und verfahren zum betrieb einer solchen presse.
IT1211575B (it) * 1987-12-03 1989-11-03 Fiat Auto Spa Pressa verticale per lo stampaggio di materiali plastici particolarmente materiali plastici termoindurenti
US5129817A (en) * 1991-03-11 1992-07-14 Husky Injection Molding Systems Ltd. Gripper bushing assembly for an apparatus for making plastic articles
US5230911A (en) * 1991-10-21 1993-07-27 Husky Injection Molding Systems Ltd. Clamp mechanism employing a brake unit
US6261505B1 (en) 1999-05-06 2001-07-17 Husky Injection Molding Systems Ltd. Friction tiebar clamp
CN1332794C (zh) * 2005-08-11 2007-08-22 章金华 草支垫液压制垫机及其制垫方法
CN100460175C (zh) * 2006-09-14 2009-02-11 向泽银 草支垫全液压成型机及其制垫方法
CN103072164A (zh) * 2013-01-28 2013-05-01 重庆市江津区渝铁竹帘加工厂 整体式草支垫成型装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1479804A1 (de) * 1965-02-05 1969-06-26 Verwaltungsgesellschaft Moelle Hydraulische Einzweck-Presse zur Herstellung von Kunststoff-Pressteilen
DE1529931B2 (de) * 1965-09-09 1971-03-18 Fischbach. Alfred, 5252 Runderoth Formschliess und formzuhaltevorrichtung fuer eine spritz giessmaschine
US3531966A (en) * 1968-04-25 1970-10-06 Verson Allsteel Press Co Hydraulic press
DE6750643U (de) * 1968-08-27 1969-01-09 Griebel Gmbh & Co Kommanditges Rundsaeulenfuehrung, insbesondere fuer abkantpressen
US3599289A (en) * 1968-10-02 1971-08-17 Umberto Girola Mold-closing apparatus for molding machine
DE1901946A1 (de) * 1969-01-13 1972-03-02 Wilhelm Cyriax Formschleissvorrichtung,insbesondere fuer Druckgiess- und Spritzgiessmaschinen fuer Metalle und Kunststoffe
DE6930136U (de) * 1969-07-29 1969-12-04 Karl Hehl Spanneninheit fuer die giessform einer kunststoffe verarbeitenden maschinen
CA959215A (en) * 1969-12-09 1974-12-17 Katashi Aoki Injection molding process and apparatus
US3890081A (en) * 1971-08-02 1975-06-17 Litton Industrial Products Injection holding machine clamp mechanism
US4029457A (en) * 1974-06-17 1977-06-14 Toshiba Kikai Kabushiki Kaisha Molding machine
DE2605734C3 (de) * 1976-02-13 1978-07-20 Hasco-Normalien Hasenclever & Co, 5880 Luedenscheid Spritzgießform mit Formbacken
US4304540A (en) * 1980-09-15 1981-12-08 Hammon Carl K Hydraulic press

Also Published As

Publication number Publication date
DE3403006A1 (de) 1985-08-08
EP0150487A3 (en) 1985-10-16
US4565517A (en) 1986-01-21
JPS60242020A (ja) 1985-12-02
DE3473126D1 (en) 1988-09-08
DE3403006C2 (de) 1986-03-06
EP0150487A2 (de) 1985-08-07
JPH0579487B2 (enrdf_load_stackoverflow) 1993-11-02
ATE36133T1 (de) 1988-08-15

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