EP0706864B1 - Procédé pour la fabrication de blocs de construction évidés - Google Patents

Procédé pour la fabrication de blocs de construction évidés Download PDF

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Publication number
EP0706864B1
EP0706864B1 EP19950890152 EP95890152A EP0706864B1 EP 0706864 B1 EP0706864 B1 EP 0706864B1 EP 19950890152 EP19950890152 EP 19950890152 EP 95890152 A EP95890152 A EP 95890152A EP 0706864 B1 EP0706864 B1 EP 0706864B1
Authority
EP
European Patent Office
Prior art keywords
mandrels
core
filling
mold
press
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
EP19950890152
Other languages
German (de)
English (en)
Other versions
EP0706864A2 (fr
EP0706864A3 (fr
Inventor
Norbert Kranzinger
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0706864A2 publication Critical patent/EP0706864A2/fr
Publication of EP0706864A3 publication Critical patent/EP0706864A3/fr
Application granted granted Critical
Publication of EP0706864B1 publication Critical patent/EP0706864B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B28B3/022—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 combined with vibrating or jolting
    • 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
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • B28B7/183—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for building blocks or similar block-shaped objects

Definitions

  • the invention relates to a method for manufacturing of hollow blocks, according to the filling compound in a mold protruding core mandrels introduced by means of a core mandrel direction acting press die compacted and then the molding by pulling out the core mandrels and pulling them off the mold is removed.
  • filling compound is converted into a box-shaped mold filled, which for uniformity the filling is subjected to a shaking motion and for molding of air slits and hollow chambers in the stones receives.
  • These core mandrels can be fixed be so that the filling compound in the already with the core thorns populated mold is filled, or they can after Filling a thornless die from above or below into the already filled mold are pressed in, after which the filling compound by means of a press ram for shaping and compression is pressed. Because when pressing the filling compound in the mold considerable pressures occur, there are high horizontal forces acting on the core mandrels for strength reasons require a minimum thickness of these core mandrels.
  • core mandrels with a minimum thickness of approx. 1.5 cm can be used to prevent deformation and damage to avoid and these core mandrel dimensions also a corresponding limitation of the cavity cross sections that can be produced and bridge thicknesses and thus an undesirable Impairment of the achievable insulation properties.
  • core mandrels also allow only the formation of blind holes and none can Hollow blocks with continuous cavities are produced, whereby high weights or stone densities and lower Thermal insulation capabilities are accepted.
  • the invention is therefore based on the object, these deficiencies to eliminate and a process of the above Specify the way that the production of Hollow building blocks with comparatively small cross-section and cavity cross-sections allowed and the training continuous Air chambers allows, what even a uniform Compaction of the filling compound at different degrees of compaction and therefore selectable insulation properties come.
  • the invention solves this problem in that the core mandrels before the start of compaction over the filling level of the filling compound ramped up in the mold and then during compaction be withdrawn again. Because of the over the filling mass Core mandrels protruding in the mold result from the molding forcibly continuous air chambers and Cavities and especially the core mandrels can be removed without the molding process at risk while compacting to the extent this protrusion in the direction of the ram movement withdrawn so that those occurring during compaction Horizontal forces are reduced due to friction and themselves essentially vertical as regards core mandrel loading Impact tensile forces. There will be more favorable load conditions achieved the lower strength properties the core thorns demand.
  • core mandrels can also be used with a thickness of 1 cm and hollow bricks with webs can be built without difficulty Air chamber thicknesses of 0.5 to 1 cm can be produced. To comes that by the pulling movement of the core mandrels at Compact between the filling compound and the core mandrel surface A sliding contact is created that covers the surface of the hollow chambers forms exactly, and by the additional occurring in the press sense Movement tendency from the core spines to the filling compound is transferred, there is an improvement in the mass compression and an equalization of the degree of compaction.
  • On The most diverse filling materials are energy-saving, which harden hydraulically, can be used for such Filling materials, for example, aggregates such as natural pumice, slag, Leca, tufa, brick chippings, grit, sands, in particular Quartz sands and mixtures thereof u.
  • binders such as Cement, limes, fly ash and mixtures thereof or other hydraulic binders can be used.
  • additives and the aggregates and binders mix with water in any suitable ratio can also include special waste materials, such as polystyrene u. Like., are admixable.
  • the core mandrels when filling the Filling compound into the mold and / or while pulling back the compaction of the filling compound is set in vibration, whereby when filling through the inner swinging motion even filling is possible and then during compaction the degree of compaction is evened out and also the friction conditions be favored. So despite the Slenderness of the core mandrels practically any hollow building blocks Height and also the compaction of the Filling mass depending on the pressure can be widely Limits vary. By an appropriate choice of the pressing force the hollow block produced can then be compressed a higher or lower compressive strength when cured have so that even stones with less thermal insulation, but high compressive strength can be generated. at sufficient compression can also be such a compression achieve that the molding after demoulding is dimensionally stable and processed almost immediately can be.
  • Usual devices for the production of hollow blocks exist from a press that has a press table for a press mold, a lower jack with a carrier plate towering core mandrels that can be inserted upwards into the mold, an upper ram with a downward in the mold pressable press plate and a filling device for Filling the mold with filling compound.
  • the press table includes a table top to put on the mold and form the table top and the press plate Through openings for the passage or insertion of Core mandrels, the jack being used during a pressurization the ram can be lowered.
  • the core mandrels By starting up the The core mandrels can be lifted through the openings the table top from the bottom to the top and bottom Retract the mold, the core mandrels depending on the lifting height protrude more or less high in the mold, which is a proper Fill with press mandrels at filling level and then raising the core mandrels to above Level allowed. Then after placing the ram, whereby the core mandrels into the corresponding openings of the Press plate penetrate, is simultaneously with the pressing process the retraction movement of the core mandrels is effected via the lifting ram. Since the passage openings of the press plate is an upper one Bringing guidance for the core mandrels is an additional one Support of the core mandrels guaranteed and also at maximum pressures do not cause any deformation of the core mandrels fear.
  • the core mandrels can be easily removed via the carrier plate vibrate what along with the usual the vibrators provided for the mold Vibration movements of the mold on the one hand and the core mandrels otherwise guaranteed.
  • a device for the rational production of hollow blocks consists essentially of a press 1 with a press frame 2 for supporting a press table 3, a lower one Lifting die 4 and an upper press die 5.
  • the press table 3 has a table top 6 for placing a box-shaped Press mold 7, above which a filling device 8 is provided for filling the mold 7 with filling compound.
  • the Lifting punch 4 has one vertically along guide columns 9 guided carrier plate 10 with towering core mandrels 11, which through openings 12 in the table top 6 of are retractable into the mold 7 below.
  • the press die 5 is vertical with a also along the guide columns 5 guided tool holder 13, on which a press plate 14 sits.
  • the Press plate 14 By pressing the ram 5, the Press plate 14 can be inserted into the mold 7 from above, the press plate 14 through openings 15 for insertion the core mandrels 11 forms.
  • the filling and pressing process To improve, the mold is only an indicated vibrator 16 and the carrier plate 10 a vibrator 17 and assigned Handling the press mold 7, there is a control cylinder 18 movable manipulator 19.
  • a mold 7 is opened the table top 6 of the press table 3 placed, both the lifting die 4 and the press die 5 in their retracted Starting position are (Fig. 1).
  • the lifting ram 4 is brought into the filling position, in which the core mandrels 11 up to fill level H in the form 7 protrude what in the illustrated embodiment with the The upper edge of this mold corresponds.
  • the filling device 8 for example a filling car, Filling compound M filled into the mold 7, for which the filling car moves along corresponding rails 20 over the die 7 and filled them.
  • the vibrators are during the filling process 16, 17 turned on, so that the filling compound quickly and evenly distributed in the mold and between the core mandrels becomes. If the mold 7 is filled, the filling truck moves back and the core mandrels 11 are in the starting position via the jack 4 for compacting about 2 to 3 cm above the fill level H started up (Fig. 2).
  • the molding is with the bearing board 21 via a not shown Conveyor for curing or the like.
  • the mold 7 is again placed on the table top 6 and a new hollow block can be made.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (3)

  1. Procédé de fabrication de blocs de construction creux, selon lequel la masse de remplissage est introduite dans un moule de pressage ayant des mandrins pour noyau montants en saillie, est comprimée en effectuant un formage, au moyen d'un poinçon de pressage agissant dans la direction du mandrin formant noyaux, et ensuite l'ébauche est démoulée par extraction des mandrins formant noyaux et extraction du moule de pressage, caractérisé en ce que les mandrins formant noyaux, avant le début de la compression, sont levés au-dessus de la hauteur de remplissage de la masse de remplissage dans le moule de pressage et sont ensuite de nouveau rétractés, pendant la compression.
  2. Procédé selon la revendication 1, caractérisé en ce que les mandrins formant noyaux, avant le remplissage du moule de pressage, sont insérés jusqu'à la hauteur de remplissage en masse de remplissage, puis sont relevés ensuite après le remplissage du moule de pressage, au-dessus de la hauteur de remplissage.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que les mandrins formant noyaux, lors du remplissage en masse de remplissage dans le moule de pressage et/ou lors de la rétraction, sont mis à vibrer pendant la phase de compression de la masse de remplissage.
EP19950890152 1994-10-14 1995-08-23 Procédé pour la fabrication de blocs de construction évidés Expired - Lifetime EP0706864B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT194694 1994-10-14
AT1946/94 1994-10-14
AT194694A AT402375B (de) 1994-10-14 1994-10-14 Verfahren und vorrichtung zum herstellen von hohlbausteinen

Publications (3)

Publication Number Publication Date
EP0706864A2 EP0706864A2 (fr) 1996-04-17
EP0706864A3 EP0706864A3 (fr) 1998-11-04
EP0706864B1 true EP0706864B1 (fr) 2002-02-27

Family

ID=3524459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950890152 Expired - Lifetime EP0706864B1 (fr) 1994-10-14 1995-08-23 Procédé pour la fabrication de blocs de construction évidés

Country Status (3)

Country Link
EP (1) EP0706864B1 (fr)
AT (1) AT402375B (fr)
DE (1) DE59510075D1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19924926C1 (de) * 1999-05-31 2000-04-13 Hubaleck Gmbh U Co Kg Steinformmaschine mit Steinform für Mauerwerksteine
AT410294B (de) * 1999-07-28 2003-03-25 Kranzinger Norbert Verfahren zum herstellen von hohlbausteinen und vorrichtung zur durchführung des verfahrens
DE10147572B4 (de) * 2001-09-26 2006-08-24 Mörlenbacher Betonwerk Richard Wagner GmbH & Co. KG Verfahren und Vorrichtung zum Herstellen von Stein-Formlingen sowie Stein-Formling
AT500460B8 (de) * 2004-07-08 2006-10-15 Kdm Engineering Gmbh Vorrichtung zum herstellen eines hohlbausteins aus einer hydraulisch aushärtenden, feuchten bausteinmasse
DE102005002497B3 (de) * 2005-01-19 2006-06-01 Hess Maschinenfabrik Gmbh & Co. Kg Verfahren und Vorrichtung zum Herstellen von Hohlbausteinen
CN103507153B (zh) * 2013-10-23 2016-09-28 刘发清 无阻力顶升石膏砌块成型机
CN104227826B (zh) * 2014-09-17 2016-08-17 西安交通大学 一种液压激振式振动压砖机
CN105835210B (zh) * 2016-04-15 2017-12-12 澄江中天源环保科技有限公司 一种压制石膏空心砖的模具及其压制方法
CN109500980B (zh) * 2019-01-08 2024-12-17 李仰水 地砖的抽芯压头结构以及地砖的抽芯成型方法
CN111730725A (zh) * 2020-07-01 2020-10-02 孙明生 石膏砌块及其成型方法和装置
DE102023211659A1 (de) * 2023-11-22 2025-05-22 Rekers Verwaltungs-GmbH & Co. KG Steinpressmaschine und Verfahren zur Herstellung von Formlingen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE578845C (de) * 1933-06-24 Meer Akt Ges Maschf Presse zur Herstellung von Duesensteinen fuer Konverterboeden
DE360362C (de) * 1922-10-02 Wagner Otto Drehtischpresse zur Herstellung von Lochziegeln aus Kalk-Sand-, Zement-Sand-o. dgl. Moertelmassen
DE391143C (de) * 1922-12-23 1924-02-29 Duchscher & Cie Hydraulische Presse zur Herstellung von Birnenboeden aus einem Stueck
US3127459A (en) * 1962-01-11 1964-03-31 Harbison Walker Refractories Process and apparatus for making perforated bricks
GB969373A (en) * 1962-03-21 1964-09-09 Whittaker & Co Ltd C Improvements in brick making machines
US3647332A (en) * 1969-08-29 1972-03-07 Parker Hannifin Corp Hydraulic press
ZA715429B (en) * 1970-09-10 1972-04-26 Olivetti & Co Spa A device for moulding parts to be sintered
BG27273A1 (en) * 1974-02-25 1979-10-12 Vnii P Rabot Ogneu Promysch Method and press for moulding details from powdered and granular materials
US4153399A (en) * 1977-09-08 1979-05-08 Ptx-Pentronix, Inc. Multiple punch tool set for powder compacting press
DE2837878A1 (de) * 1978-08-30 1980-03-13 Bucher Guyer Ag Masch Verfahren und vorrichtung zur herstellung keramischer hohlkoerper
DE3142126A1 (de) * 1981-10-23 1983-05-11 Dorst-Keramikmaschinen-Bau Otto Dorst U. Dipl.-Ing. Walter Schlegel, 8113 Kochel "presse zum herstellen masshaltiger presslinge aus pulverfoermigem material"

Also Published As

Publication number Publication date
ATA194694A (de) 1996-09-15
DE59510075D1 (de) 2002-04-04
AT402375B (de) 1997-04-25
EP0706864A2 (fr) 1996-04-17
EP0706864A3 (fr) 1998-11-04

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