EP3034260A2 - Procede et dispositif de fabrication d'elements en beton partiellement ouverts - Google Patents

Procede et dispositif de fabrication d'elements en beton partiellement ouverts Download PDF

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Publication number
EP3034260A2
EP3034260A2 EP15003515.2A EP15003515A EP3034260A2 EP 3034260 A2 EP3034260 A2 EP 3034260A2 EP 15003515 A EP15003515 A EP 15003515A EP 3034260 A2 EP3034260 A2 EP 3034260A2
Authority
EP
European Patent Office
Prior art keywords
molding box
concrete
mold
station
pressure
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.)
Granted
Application number
EP15003515.2A
Other languages
German (de)
English (en)
Other versions
EP3034260A3 (fr
EP3034260B1 (fr
Inventor
Thomas Friedrich
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Individual
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Individual
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Publication of EP3034260A3 publication Critical patent/EP3034260A3/fr
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Publication of EP3034260B1 publication Critical patent/EP3034260B1/fr
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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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying
    • 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
    • B28B3/086—The rams working in different directions
    • 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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/04—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds moved in succession past one or more shaping stations
    • 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
    • B28B7/0097—Press moulds; Press-mould and press-ram assemblies
    • 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
    • B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article

Definitions

  • the invention relates to a method and an apparatus for producing semi-open concrete parts according to the preamble independent claims.
  • Such a method and a device suitable for this purpose is, for example, with the subject of WO 01/87565 A1 described.
  • a fiber concrete is used, which is designed as liquid concrete.
  • a formwork body is used, which is installed in a formwork. It is therefore a molding box, in which pressure is applied via pressure and force on the first formwork part in the direction of a second formwork part and so after the introduction of the fiber concrete in the formwork body, the excess water can be pressed on the fiber concrete.
  • the molding box thus described had a movable inner box which was pressed against the fiber concrete mass filled on the inner wall of the outer box to displace the excess water of the fiber concrete and finally to bring it towards the outside of the molding box.
  • a disadvantage of this known method is that the mold box is inflexible and not readily adaptable to various semi-open concrete parts, that it is difficult to produce, because the pressure elements and the pressure-generating, necessary for the squeezing of the water machine elements are difficult to manufacture and in the cited document are not designated in detail.
  • An equal filling over a filler neck is, for example, in the DE 198 41 047 C1 disclosed. There is poured for a tunnel lining concrete via a filler neck of a tubule formwork closed on all sides with the escape of air and water from the tubbing formwork in the tubbing formwork. After reaching a green state strength is turned off.
  • the DE 600 15 011 T2 discloses an apparatus and a method for producing semi-open concrete parts with a molding box in which the filled concrete mass is pressed against the inner walls of the molding box.
  • the molding box is designed as a semi-open mold, which forms an upwardly open filling space over which the concrete flows, wherein the filling space is acted upon by at least one pressing element closing off the filling space.
  • the walls of the molding box are slidably formed as printing plates.
  • the invention has the object of developing a method and an apparatus for producing semi-open concrete parts of the type mentioned so that a much better quality of the concrete part is achieved and a simpler process flow is given.
  • the invention is characterized by the technical teaching of the independent claims.
  • the walls of the molding box are slidably formed as printing plates, wherein the printing plates are in turn provided with printing elements.
  • the pressure elements are connected to tappets, wherein in each case a slide plate is arranged in the direction perpendicular to the longitudinal axis of the respective plunger, which perform a locking of the respective plunger in the advanced position. As a result, the feed movement of the plunger is locked.
  • the slide plate is displaceably driven on a track perpendicular to the longitudinal axis of the respective plunger.
  • the concrete no longer has to be filled under high pressure, but it can be poured as liquid concrete, whereby it is distributed evenly uniformly on all mold nests and all mold cavities and ensures a uniform filling of the mold and that after completion of filling the mold is then completed with a pressing element of the mold cavity and pushes the pressing element into the mold cavity, so as to solidify the concrete in the mold cavity and the excess water through associated filter plates to the outside derive.
  • a pressing member is used so as to close the mold space upwards and to compress the concrete filled there against the arranged in the mold space filter plates and squeezing out the water.
  • liquid concrete is understood to mean that it is a conventional flowable concrete, which in a known manner consists of aggregates, cement and water, wherein a high proportion of water is present.
  • the liquid concrete has a slump of about 70 to 80 cm and is therefore very fluid.
  • the liquid concrete can be added in a conventional manner and fibrous materials, so as to achieve a fiber concrete, which shows a high breaking strength on the cured part.
  • a polymer concrete use which consists essentially of a sand-resin mixture, which mixture is cured by an increase in temperature and after manufacture is formed as glass and of course also breaks when exposed to shocks.
  • the invention is not limited to the use of a carrier form of a metal sheet.
  • Plastic molds, wood forms and the like may also be used to transfer the surface structure of the carrier mold to the precast concrete element.
  • the molding box essentially consists of a peripheral frame which has a slotted bottom and at least one carrier mold is inserted into this molding box so as to fill the carrier form with concrete from the bottom (foot side) to the top ,
  • the walls of the mold box are designed to be displaceable, in order to enable demolding of the finished precast concrete part.
  • the displaceable walls are formed by pressure plates, which pressure plates are in turn provided with pressure elements, which pressure elements are connected with plungers, so that they are designed to be movable in the horizontal direction.
  • filter plates are arranged on the inside of the printing elements, which are preferably formed from steel plates.
  • the filter plates preferably have a perforation or slit of z. B. 30 microns, in order to achieve that only the water escapes with the introduction of pressure from the top press and not the embedded grain in the cement.
  • one is relatively free in the shaping of the side walls and can also introduce various projections, recesses and other elements on the side walls, because this only requires a change on the pressure-applying side of the respective pressure plate.
  • end plates are also formed as printing plates and protrusions or recesses protruding into the mold space can also be arranged at these locations.
  • both beads and undercuts on the inside of the precast concrete part on the design of the carrier form can be introduced by the inventive method as well as the outside on the design of the longitudinal side and the front side adjacent pressure plates.
  • the molding boxes provided according to the invention with the features described above in a ring-shaped process sequence, so that a clocked method is used which uses a plurality of molding boxes according to the invention.
  • a station 2 is charged, in which the casing of the mold box takes place with a carrier mold 40.
  • the thus completed molding box with the carrier form used is in the direction of arrow 4 (see also FIG. 3 ) via a longitudinal conveyor 5, which is preferably designed as a chain conveyor, a station 6, in which the filling of the mortar is carried out in the upwardly open shape of the molding box 22.
  • the FIG. 1 shows here a mortar pump 7, via which the substantially pressureless filling of the liquid concrete (concrete 39) takes place in the upwardly open filling chamber 52 of the molding box 22.
  • a lifting conveyor 10 is arranged on the inlet side, which lifts the filled molding box 22 from the longitudinal conveyor 8 and brings it into the pressing space of the top press 53. This takes place in the area of the station 11.
  • the pressed shape thus prepared is again deposited via a lifting conveyor 10 on a longitudinal conveyor 12 and fed in the direction of arrow to a station 13, where the stripping of the molding box 22 takes place.
  • both the arranged on the longitudinal side and on the front side boundaries of the mold box are moved away from the finished mold so as to demould the mold can.
  • the finished form is a converter 15 in a storage station 14 according to FIG. 2a spent.
  • the now emptied form is spent on a longitudinal conveyor 17 in the direction of arrow in a station 18, in which the molding box can either be replaced or it can be a new molding box are used or the molding box, which comes from the station 13, is easily forwarded.
  • the onward transport takes place via a longitudinal conveyor 19 in the arrow direction FIG. 3 in a washing station 20 where the entire mold is washed.
  • a complete circuit is shown and in a preferred embodiment, a molding box are each arranged at each station 2, 6, 11, 13, 18, 20, so that all molding boxes are cyclically conveyed on the circulation system 1 clocked from station to station.
  • FIG. 4 shows a preferred embodiment of a molding box 22, as arranged according to the above description in each case at the stations.
  • the molding box 22 consists of a self-contained, approximately rectangular frame 23, wherein the frame 23 consists of mutually parallel and a mutual distance to each other engaging longitudinal beams 24, 25, to which the transverse bars 26, 27 are arranged vertically.
  • all the bars 24-27 are in the horizontal direction (with respect to the plane to FIG. 4 ) arranged movable and are therefore deliverable and weg tone provided so as to ensure a defined filling 52.
  • a respective pressure element 28, 29 is arranged, which respectively push the associated wall into the mold space or withdraw from the mold space.
  • the side walls of the receiving space 30 are formed by pressure plates 37, on which externally abut pressure pieces 34, which in turn are bolted to a pressure plate 33, which is part of a plunger 32, preferably pneumatically or hydraulically or electromechanically in the direction of arrow 57th is designed to be removable and removable.
  • a slide plate 44 is arranged, which is displaceably driven on a raceway 46 in the arrow directions 45.
  • a lock of the respective plunger 32 in the advanced position (positive locking after FIG. 5 or 6 ) to counteract the significant internal pressure of the mold. It is therefore a locking of the feed movement of the plunger 32 in the direction of arrow 57 to the left according to FIG. 5 , and in this case the slide plate 44 is slidably held on a bearing block 43, which bearing block is fixed on the bottom 31 of the mold plate 22.
  • FIG. 5 and 6 Now show that in the area of the molding box 22 in the receiving space 30, the pressure elements 28, 29 protrude, thus defining a fillable shape, as in FIG. 5 and 6 is shown.
  • the two figures show the already used carrier mold 40 and also the front side arranged end plates 63, which form the frontal boundaries of the mold space.
  • FIG. 5 shows that in the production of different height and differently shaped channel elements readily possible, now the ram 32 with the pressure elements 28, 29 apart, so as to form a different sized mold space in the molding box, in which then the carrier mold 40 is inserted , which is filled in the direction of arrow 42 from above practically without pressure with concrete 39.
  • the concrete thus flows according to FIG. 6 on the top of the carrier mold 40 and distributed evenly throughout the mold including filling the foot space 59, in which the base leg of the channel-shaped element is formed. It is clear that here a particularly uniform filling of the entire mold space is given, because the liquid concrete evenly distributed under the action of gravity in the mold and this when pressing the mold from above with the press die 54 shown later (see FIG. 9 ) the excess water in the direction of arrow 54 against the inside of the pressure plates 37 spaced filter plates 36 is pressed. There, only the water is squeezed out and reaches a drainage chamber 48 arranged beyond the filter plates 36 and flows downwards in the direction of the arrow 50 out of the mold.
  • Figures 5 and 6 shows, moreover, that in the production of different channel elements to compensate for a height offset (see the channel element after FIG. 5 and the gutter element FIG. 6 ) can arrange a spacer plate 35 below the mold box 22 in order to always allow a constant comparison of the printing elements 28, 29.
  • the base plate 41 of the flask 22 is bolted to the spacer plate 35 or directly on the floor 31.
  • FIGS. 7 and 8th show modifications of the mold box according to the invention, where it can be seen that it is also possible in an embodiment of a molding box, several printing elements 28a, 28b superimposed to use a highest possible channel element 56 according to FIG. 7 manufacture.
  • the molding boxes 22a, 22b, 22c are thus modified according to the requirements of the semi-finished precast concrete element produced therewith.
  • a pressure of about 1 to 2 N per mm 2 is used up, which press ram 54 in the arrow directions 58 on the top of the molding box 22 and is weg constructive.
  • any recesses and chamfers can also be connected in the leg region of the base legs of the concrete plate parts produced in this way.
  • FIGS. 10 and 11 the cross section is shown by a channel member 56 at different points of this channel element.
  • a channel member 56 at different points of this channel element.
  • full-surface cross sections are used, wherein on the foot side an undercut 60 is arranged, while in the middle region of the same channel element 56 for weight saving reasons, the tops are beveled to save concrete and weight.
  • FIG. 12 shows a cable tray 55 with the representation of the manifold possibilities in the design of the molding box in connection with the carrier form used there. It can be seen that a multiplicity of thickenings, recesses and grooves can be used, wherein these different parts can be arranged both in the region of the lateral limbs 61 and in the region of the base limb 62.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
EP15003515.2A 2010-05-14 2011-05-05 Procede et dispositif de fabrication d'elements en beton partiellement ouverts Not-in-force EP3034260B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010020493A DE102010020493A1 (de) 2010-05-14 2010-05-14 Verfahren und Vorrichtung zur Herstellung von halboffenen Betonteilen
EP11003704.1A EP2386395B1 (fr) 2010-05-14 2011-05-05 Procédé et dispositif pour la fabrication d'éléments en béton partiellement ouverts

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP11003704.1A Division-Into EP2386395B1 (fr) 2010-05-14 2011-05-05 Procédé et dispositif pour la fabrication d'éléments en béton partiellement ouverts
EP11003704.1A Division EP2386395B1 (fr) 2010-05-14 2011-05-05 Procédé et dispositif pour la fabrication d'éléments en béton partiellement ouverts

Publications (3)

Publication Number Publication Date
EP3034260A2 true EP3034260A2 (fr) 2016-06-22
EP3034260A3 EP3034260A3 (fr) 2016-07-06
EP3034260B1 EP3034260B1 (fr) 2019-01-16

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP11003704.1A Not-in-force EP2386395B1 (fr) 2010-05-14 2011-05-05 Procédé et dispositif pour la fabrication d'éléments en béton partiellement ouverts
EP15003515.2A Not-in-force EP3034260B1 (fr) 2010-05-14 2011-05-05 Procede et dispositif de fabrication d'elements en beton partiellement ouverts

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11003704.1A Not-in-force EP2386395B1 (fr) 2010-05-14 2011-05-05 Procédé et dispositif pour la fabrication d'éléments en béton partiellement ouverts

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EP (2) EP2386395B1 (fr)
DE (1) DE102010020493A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109989493A (zh) * 2019-04-18 2019-07-09 安徽扬采材料科技有限公司 一种无机改性聚苯保温板生产方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19841047C1 (de) 1998-09-09 2000-01-13 Hochtief Ag Hoch Tiefbauten Verfahren und Vorrichtung zum Herstellen von Tübbingen für eine Tunnelauskleidung
WO2001087565A1 (fr) 2000-05-17 2001-11-22 Domostatik Gmbh Procede de fabrication de produits en beton fibreux
DE60015011T2 (de) 1999-05-27 2006-03-09 Eveno S.A. Verfahren und Vorrichtung zum Herstellen eines Rolladenkastens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE62306C (de) * A. BERENDT in Verstellbare Ziegelnachpresse mit Kolben und Gegenkolben
DE248286C (fr) *
DE464412C (de) * 1926-02-21 1930-03-15 Hugo Ackermann Dr Ing Mehrteiliger Formkasten fuer Steinpressen mit mehreren nebeneinanderliegenden Formraeumen zur gleichzeitigen Herstellung mehrerer Presslinge
DE1584399C3 (de) * 1966-02-24 1974-03-28 Eternit Ag, 1000 Berlin Vorrichtung zum Herstellen von einseitig offenen Formstücken aus Faserzement, insbesondere Asbestzement
FR2157013A5 (fr) * 1971-10-13 1973-06-01 France Etat
US3980414A (en) * 1975-09-29 1976-09-14 Owens-Corning Fiberglas Corporation Core and pressing head of mold box assembly
US4098865A (en) * 1976-01-26 1978-07-04 Hanover Prest-Paving Co. Methods of making paving block
GB2255116A (en) * 1991-04-22 1992-10-28 Shimizu Construction Co Ltd Sound-insulating concrete wall.
FR2676386A1 (fr) * 1991-05-15 1992-11-20 Scient Tech Batimen Centre Procede et dispositif de fabrication de blocs de construction a partir d'un liant hydraulique tel que du platre, d'une charge inerte telle que du sable et d'eau.
DE9316852U1 (de) * 1993-11-06 1994-02-24 Birco Baustoffwerk Gmbh, 76532 Baden-Baden Betonhaltiger Formkörper für Abflußrinnen, Sinkkästen o.dgl.
DE10036199A1 (de) * 2000-05-17 2001-11-29 Domostatik Gmbh Verfahren zur Herstellung von Produkten aus Glasfaserbeton

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19841047C1 (de) 1998-09-09 2000-01-13 Hochtief Ag Hoch Tiefbauten Verfahren und Vorrichtung zum Herstellen von Tübbingen für eine Tunnelauskleidung
DE60015011T2 (de) 1999-05-27 2006-03-09 Eveno S.A. Verfahren und Vorrichtung zum Herstellen eines Rolladenkastens
WO2001087565A1 (fr) 2000-05-17 2001-11-22 Domostatik Gmbh Procede de fabrication de produits en beton fibreux

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109989493A (zh) * 2019-04-18 2019-07-09 安徽扬采材料科技有限公司 一种无机改性聚苯保温板生产方法

Also Published As

Publication number Publication date
DE102010020493A1 (de) 2011-11-17
EP2386395A3 (fr) 2014-03-26
EP2386395B1 (fr) 2016-07-06
EP3034260A3 (fr) 2016-07-06
EP2386395A2 (fr) 2011-11-16
EP3034260B1 (fr) 2019-01-16

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