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EP0693351B1 - Dispositif pour la fabrication d'éléments en béton - Google Patents

Dispositif pour la fabrication d'éléments en béton Download PDF

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Publication number
EP0693351B1
EP0693351B1 EP95102850A EP95102850A EP0693351B1 EP 0693351 B1 EP0693351 B1 EP 0693351B1 EP 95102850 A EP95102850 A EP 95102850A EP 95102850 A EP95102850 A EP 95102850A EP 0693351 B1 EP0693351 B1 EP 0693351B1
Authority
EP
European Patent Office
Prior art keywords
concrete
moulding
press ram
press
vertically movable
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 - Lifetime
Application number
EP95102850A
Other languages
German (de)
English (en)
Other versions
EP0693351A1 (fr
Inventor
Rudolf Braungardt
Erwin Schmucker
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.)
Kobra Formen GmbH
Original Assignee
Kobra Formen und Anlagenbau GmbH
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 Kobra Formen und Anlagenbau GmbH filed Critical Kobra Formen und Anlagenbau GmbH
Publication of EP0693351A1 publication Critical patent/EP0693351A1/fr
Application granted granted Critical
Publication of EP0693351B1 publication Critical patent/EP0693351B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
    • B30B11/06—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould each charge of the material being compressed against the previously formed body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/008—Producing shaped prefabricated articles from the material made from two or more materials having different characteristics or properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/021—Ram heads of special form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/08—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with two or more rams per mould
    • B28B3/083—The juxtaposed rams working in the same direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/10—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form each charge of material being compressed against previously formed body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0091—Transformable moulds allowing the change of shape of an initial moulded preform by preform deformation or the change of its size by moulding on the preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
    • B28B3/06—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould with two or more ram and mould sets

Definitions

  • the invention relates to a device for producing molded blocks with a side slope, especially concrete blocks made of flowable concrete or a similar material, with a shape and one or more shape nests, each one vertical Movable press ram for preforming the side slopes or the core concrete and for subsequent finishing, the after placing the facing concrete in the mold cavity, assigned.
  • DE-C-940 568 describes a method and an apparatus for covering on-board sleepers made of heavy concrete with known a fine concrete layer.
  • a vertically movable Press plate provided, which dips into the mold from above and the intended one with a curved inner profile Side bevels of the sleeper preformed.
  • fine concrete also called facing concrete, filled into the mold.
  • a second press plate which is offset by 180 ° to the first press plate is arranged, the molding covered with fine concrete pressed.
  • both press plates are swiveled through 180 °, so that the second press plate in its working position reached for pressing the molding.
  • a disadvantage of this known embodiment is that the Drive and the locking and unlocking of the swiveling Press plates is relatively expensive. Mastery of the high compressive forces is the case of a pivotable arrangement Press plates problematic.
  • the space requirement is the swiveling press plates in particular with a multiple mold with several form nests arranged side by side, very much large. Due to the swivel range of the press plates Available space is very limited, so only a limited number of mold nests is possible.
  • the swivel angle of the press plates must always be exactly 180 °, so that the press plates are inserted exactly into the mold cavities can be. This requires a backlash-free drive which is associated with high costs.
  • the invention has for its object the manufacture of the concrete blocks mentioned at the beginning to simplify and rationalize while reducing manufacturing costs.
  • the object is achieved in that a Part of the ram relative and parallel to this in extendable in the vertical direction into the preform position and in the starting position, which is the final shape of the Press ram corresponds, can be moved back.
  • this is extendable Part of the press ram as a form sword with an oblique Surface formed with a vertically movable Piston of a hydraulic cylinder is connected together with the pressure plate and the form sword the ram forms and at the bottom of a vertically movable Load plate is attached.
  • Piston rod of the piston at the top and bottom of the Hydraulic cylinder led up and down and via an upper and lower cross member with the Form sword connected.
  • the hydraulic cylinder is expediently rectangular on the circumference executed and fastened between two vertical beams, which are arranged with their upper ends on the load plate and the lower ends of which support the pressure plate.
  • each cavity of the multiple form a press stamp with the extendable part assigned, with all ram on the underside of the vertically movable load plate Forming machine are arranged.
  • the advantages achieved with the invention are in particular in that the inventive design of the press ram a particularly space-saving construction of the multiple form allows for more stones per cycle can be manufactured.
  • the linear movement of the extendable Stamp part enables simple drives and a problem-free Mastery of the pressure forces that occur during pressing.
  • the immersion depth of the linearly extendable ram part can be done easily, for example by adjustable Attacks, are changed to reflect the strength of the Regulate the facing concrete layer.
  • the multiple mold 1 for the production of concrete blocks from several mold nests 2, by vertical, at a distance arranged side walls 3 are formed (Fig. 6).
  • the multiple form 1 is on a horizontal Vibrating table 4 of a molding machine, not shown arranged.
  • Each of the mold cavities 2, which are open at the top and filled with concrete is a pressure element for Assigned shape of the concrete block.
  • the pressure organ 1 consists of a vertically movable press ram 5, which is formed by two vertical supports 6.
  • the upper ends of the carrier 6 are at the bottom of one horizontal load plate 7 of the molding machine attached.
  • At the a pressure plate 8 is arranged at the lower end of the supports 6, with which the top of the concrete block is formed.
  • the Load plate 7 is a piston 9 of a not shown Piston-cylinder unit in the vertical direction on and off moved.
  • a rectangular hydraulic cylinder 10 attached (Fig. 1 to 3).
  • a piston 12 In the cylinder space 11 of the hydraulic cylinder 10 a piston 12 is mounted, the piston rod 13 upwards and led down out of the hydraulic cylinder 10 is.
  • a part 15 At the front ends of the piston rod 13 is over an upper and lower cross member 14 screwed a part 15, that is part of the press ram 5 and as Form sword is formed.
  • Part 15 is made with the help of Piston 12 relative to the die 5 in the vertical direction can be moved up and down.
  • the bearing holes serve the Piston rod 13 in the hydraulic cylinder 10 as a support and Guide the part 15.
  • part 15 the press ram 5, which on the load plate 7th or the piston 9 is moved in the vertical direction and with which the upper and lateral boundary of the concrete block is formed.
  • the lower end of part 15 is corresponding the desired shape of the side wall of the concrete block. Since the transition from the vertical surface to inclined surface 16 of part 15 of a heavy wear is interchangeable at this point Corner piece 17 screwed to part 15.
  • the mold nests 2 of the multiple mold 1 are initially with Core concrete 18 filled. Then the load plate 7 with Press ram 5, hydraulic cylinder 10, pressure plate 8 and part 15, which together form a unit, in the preform position lowered according to FIG. 1. The core concrete is in this position 18 according to the geometry of the pressure plate 8 and the Part 15 preformed. Then the unit 7, 5, 10, 8, 15 moved up again and the part 15 through Actuation of the hydraulic cylinder 10 in the position according to Fig. 4 retracted. The pressure plate is in this position 8 together with the part 15 a geometry that the Completely shaped concrete block corresponds. In the mold nests 2 is now filled with facing concrete 19, with which the preformed Core concrete 18 is covered (Fig. 4).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Artificial Fish Reefs (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Retaining Walls (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Claims (6)

  1. Dispositif pour la fabrication d'éléments moulés à chanfrein latéral, notamment des éléments en béton coulant ou dans un matériau similaire, à l'aide d'un moule (1) et d'un ou plusieurs vides de moulage (2) auxquels un piston de compression (5) mobile dans l'axe vertical servant au préformage du chanfrein latéral, resp. du béton de coeur, puis au moulage final exécuté après l'introduction du béton d'usure dans le vide de moulage est affecté, caractérisé en ce qu'une partie (15) du piston de compression (5) peut sortir relativement et parallèlement à celui-ci sur l'axe vertical en position de prémoulage et être ramenée dans sa position de départ qui correspond à la position de moulage définitif du piston de compression (5).
  2. Dispositif selon la revendication 1, caractérisé en ce que la partie mobile (15) du piston de compression (5) se présente sous la forme d'une diagonale de moulage à surface oblique (16), reliée à un piston vertical (12) d'un vérin hydraulique (10) constituant le piston de compression (5) avec une plaque de compression (8) et la diagonale de moulage et fixée à la face inférieure d'une plaque de charge (7) à mouvement vertical de la machine de moulage.
  3. Dispositif selon la revendication 2, caractérisé en ce qu'une tige (13) du piston (12) dépasse des extrémités supérieure et inférieure du vérin hydraulique (10) et est reliée de chaque côté à la partie mobile (15) par une traverse supérieure et inférieure (14).
  4. Dispositif selon une des revendications 1 à 3, caractérisé en ce que le contour du vérin hydraulique (10) est rectangulaire, le vérin (10) est fixé entre deux supports verticaux (6) dont les extrémités supérieures se situent sur la plaque de charge (7) et dont les extrémités inférieures supportent la plaque de pression (8).
  5. Dispositif selon une des revendications 1 à 4, caractérisé en ce qu'un ou plusieurs pistons de compression (5) avec la partie mobile (15) sont affectés à chaque vide de moulage (2) du moule multiple (1) et que tous les pistons de compression (5) se situent sur la face inférieure de la plaque de charge à mouvement vertical (7) de la machine de moulage.
  6. Dispositif selon une des revendications 1 à 5, caractérisé en ce qu'une pièce d'usure amovible (17) est fixée sur la jonction entre la plaque de pression (8) et la surface oblique (16) de la partie mobile (15).
EP95102850A 1994-07-23 1995-03-01 Dispositif pour la fabrication d'éléments en béton Expired - Lifetime EP0693351B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4426192 1994-07-23
DE4426192A DE4426192A1 (de) 1994-07-23 1994-07-23 Verfahren und Vorrichtung zur Herstellung von Betonsteinen

Publications (2)

Publication Number Publication Date
EP0693351A1 EP0693351A1 (fr) 1996-01-24
EP0693351B1 true EP0693351B1 (fr) 2000-06-28

Family

ID=6524006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102850A Expired - Lifetime EP0693351B1 (fr) 1994-07-23 1995-03-01 Dispositif pour la fabrication d'éléments en béton

Country Status (3)

Country Link
EP (1) EP0693351B1 (fr)
AT (1) ATE194095T1 (fr)
DE (2) DE4426192A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807194A1 (de) * 1998-02-20 1999-09-16 Betonwerk Northeim C G Maeder Verfahren und Form zur Herstellung eines Formsteins aus Beton, insbesondere für den Gleisbau
DE10326126A1 (de) * 2002-12-23 2004-07-15 Rampf Formen Gmbh Vorrichtung zur Herstellung von Formsteinen
US20140272284A1 (en) * 2013-03-15 2014-09-18 David M. Franke Multi zone cementitious product and method
FR3050395B1 (fr) * 2016-04-20 2020-02-21 Bonna Sabla Procede de realisation d'un element en beton a surface reflechissante de billes de verre et element obtenu
US11701795B1 (en) 2019-02-27 2023-07-18 Hamilton Form Company, Ltd. Concrete mold form

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE592745C (de) * 1929-05-07 1934-02-14 Hermann Ulrich Maschinenfabrik Verfahren und Form zur Herstellung eines aus mindestens zwei verschiedenen Stoffen bestehenden Kunststeins
DE940568C (de) * 1954-08-20 1956-03-22 Schlosser & Co G M B H Verfahren und Vorrichtung zum UEberziehen von Formlingen aus Schwerbeton mit einer Feinbetonschicht, insbesondere von Bordschwellen
FR2029239A5 (fr) * 1969-01-21 1970-10-16 Minato Pere Et Fils
DE8307078U1 (de) * 1983-03-11 1984-03-22 Rampf Formen GmbH, 7936 Allmendingen Vorrichtung zur herstellung von formlingen aus beton oder dergleichen
SU1570898A1 (ru) * 1988-05-06 1990-06-15 Специальное Конструкторско-Технологическое Бюро "Стройдеталь" Устройство дл формовани строительных изделий с пустотами
DE9204659U1 (de) * 1992-04-04 1992-06-25 Kobra Formen GmbH, O-9802 Lengenfeld Rüttelform
IT1257498B (it) * 1992-05-07 1996-01-25 Mass Spa Stampo ceramico per la formatura di piastrelle, e relativi mezzi di carico

Also Published As

Publication number Publication date
ATE194095T1 (de) 2000-07-15
DE59508506D1 (de) 2000-08-03
DE4426192A1 (de) 1996-01-25
EP0693351A1 (fr) 1996-01-24

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