WO2007141212A1 - Dispositif pour la fabrication d'aggloméré de béton, plaque de compression pour un dispositif de ce type et procédé de fabrication d'une plaque de compression de ce type - Google Patents

Dispositif pour la fabrication d'aggloméré de béton, plaque de compression pour un dispositif de ce type et procédé de fabrication d'une plaque de compression de ce type Download PDF

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Publication number
WO2007141212A1
WO2007141212A1 PCT/EP2007/055409 EP2007055409W WO2007141212A1 WO 2007141212 A1 WO2007141212 A1 WO 2007141212A1 EP 2007055409 W EP2007055409 W EP 2007055409W WO 2007141212 A1 WO2007141212 A1 WO 2007141212A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic
pressure plate
arrangement
mold
plate
Prior art date
Application number
PCT/EP2007/055409
Other languages
German (de)
English (en)
Inventor
Rudolf Braungardt
Swen Dietrich
Holger Stichel
Original Assignee
Kobra Formen 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 Gmbh filed Critical Kobra Formen Gmbh
Priority to EP07765307A priority Critical patent/EP2035201A1/fr
Publication of WO2007141212A1 publication Critical patent/WO2007141212A1/fr

Links

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
    • B28B3/021—Ram heads of special form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/065—Press rams

Definitions

  • the invention relates to an arrangement for the production of concrete blocks, printing plate for such an arrangement and method for producing such a printing plate.
  • a mold is held with at least one mold cavity in a molding machine.
  • the mold cavity has an upper and a lower opening.
  • the lower opening can be closed by a vibratory pad.
  • wet concrete amount is poured into the mold cavity through the top opening and a loader is inserted into the top opening of the mold cavity with a pressure plate and presses on the concrete amount during a subsequent shaking operation.
  • the pressure plate is fastened to the load device via fasteners, typically to a bolt plate located at the lower end of a punch assembly.
  • the printing plates are typically made of steel and may be hardened or covered with a soft material on their underside facing the amount of concrete.
  • the undersides of the printing plates are typically not flat, but often have a downwardly projecting edge portion to produce rounded or chamfered top edges of the concrete blocks.
  • the undersides of the pressure plates may be irregular shaped.
  • the printing plates are also typically used to demould the cemented concrete blocks from the mold cavities solidified during a shaking process by moving the mold and the printing plates vertically relative to each other and immersing the printing plates deeper into the mold cavities and expressing the concrete mold stones downwardly from the mold cavities.
  • a metallic pressure plate is provided on its the concrete amount facing bottom with a buffer layer of elastic material.
  • the elastic material may be positively anchored in structures on the underside of the metallic pressure plate.
  • the surface of the buffer layer facing the concrete amount may have a matrix for a surface pattern on the surface of the stones to be produced.
  • the buffer layer can, for. B. be made in such a way that the metallic pressure plate of an original pattern surface opposite and arranged spaced therefrom and the gap is laterally sealed if necessary. Flowable buffer layer material is introduced into the gap. After solidification of the material this is firmly connected to the metallic pressure plate.
  • the buffer layer may extend laterally to the edge of the printing plate or be laterally enclosed by an extension of the metallic printing plate.
  • Printing plates with patterned plastic layers on the underside are also known from GB 2 332 170 A or DE 296 07 260.
  • a mold for the production of concrete moldings in which a metallic pressure plate is provided on its the walls of a mold cavity facing edge with a circumferential elastomer seal, by which wear of the lower edges of the printing plate is to be reduced.
  • a similar elastic seal is known from DE 1 459 350 A1 in a press die for ceramic presses.
  • From DE 10 2005 027 073 A1 an arrangement for the production of concrete blocks is known in which a pressure plate is provided on its side facing the concrete amount with a flexible membrane made of rubber or plastic, which is connected only along its edge with the pressure plate.
  • a similar arrangement is known from DE 88 09 498 U1.
  • DE 103 26 126 A1 discloses a device for the production of molded bricks in which the concrete amount zu lod a pressure plate is provided with a flexible membrane. The membrane can also continue along the edge of the metallic pressure plate to the back of the printing plate.
  • EP 05 70 038 A1 describes a mold for producing ceramic molded bodies with support legs as projections from a film surface.
  • the mold is covered with a layer of vulcanized rubber in which depressions are made corresponding to the provided support legs.
  • male inserts in the mold at the positions of the recesses in the rubber layer, this is very thin at these positions.
  • the mold is electrically heatable.
  • the invention has for its object to provide an arrangement for the production of concrete blocks with mold cavities in a mold and with immersed in the mold cavities printing plates, and to provide a printing plate for such an arrangement and a method for producing such a printing plate.
  • Fastening elements for fastening the printing plates to the Auflastvorrich- device, in particular again arranged on the ends of stamp assemblies Anschraubplatten can advantageously be enclosed by the plastic and embedded in these.
  • the fastening elements can be encased in the production of the printing plates of the plastic and positively anchored in this.
  • Fastening elements may in particular be threaded parts, such as threaded bushes, threaded sleeves or threaded bolts.
  • the fastening elements advantageously from the top of the pressure plate, through which the fasteners are accessible to the interior of the plastic body of the pressure plate spaced apart a broadening, for example, a covenant or the like.
  • one or more reinforcing elements made of the plastic of the pressure plate different material, in particular steel, inserted and of the plastic multi-sided, preferably completely enclosed.
  • the fasteners may be formed in the reinforcing elements themselves, for example, as a threaded hole in the reinforcing elements, or preferably as sockets, bolts and the like with the plastic of the pressure plate and / or preferably be connected to the reinforcing elements themselves.
  • the surface of the concrete surface facing away from the top of the printing plate is at least predominantly, preferably formed substantially completely with the exception of surface areas in the fasteners by the plastic.
  • the plastic advantageously forms a coherent plastic body in which the fastening elements and / or one or more reinforcing elements are embedded and surrounded on several sides or on all sides by the plastic.
  • a heating device can be embedded in the plastic, preferably an electric heating device, for which the plastic itself can form the electrical insulation.
  • the heating device is advantageously arranged offset from the center of the pressure plate between the top and bottom to the bottom, in particular close to the bottom.
  • the production of such a plastic pressure plate is preferably carried out by preparing a negative mold having a cavity corresponding to the intended shape of the pressure plate, that within the cavity of the mold, the fastening elements are arranged that introduced plastic material in the liquid phase into the cavity of the mold is flowing around while the fasteners, and that the plastic material in the mold, in particular by polymerization, solidifies becomes a dimensionally stable plastic body.
  • the coming into contact with the plastic material surface areas of the fasteners can be prepared in an advantageous development of a good adhesion of the plastic to these surfaces.
  • the fastening elements then advantageously act as elements, which are also referred to as shrink cores or shrinking centers, to which the plastic preferably shrinks, resulting in a particularly strong mechanical anchoring of the elements in the plastic , The same applies to a possibly embedded in the plastic reinforcing element.
  • the shrinkage of polymerizing plastic materials used for this purpose is advantageously at least 1%, in particular at least 2% based on the volume of the liquid phase.
  • FIG. 1 is a view of a printing plate according to the invention obliquely from above
  • FIG. 4 is a plan view of the top of the printing plate of FIG. 3, 5 shows a section along V - V of Fig. 4,
  • FIG. 7 is a side view of FIG. 6,
  • FIG. 9 is an enlarged detail of a side view of Fig. 8.
  • a cast from a plastic pressure plate is sketched according to the present invention, in which fastening elements BE, for example in the form of threaded sleeves, are molded into a material-homogeneous plastic body KK.
  • the outline of the plastic body KK corresponds to the inner cross section of a mold cavity of a mold for the production of concrete blocks in a molding machine.
  • the example with the outer contour of the printing plate is chosen arbitrarily.
  • fasteners BE are distributed in the surface and preferably arranged against the surface center of the upper side of the pressure plate in the outer region of the pressure plate.
  • the pressure plate can be releasably secured to a mounting plate of a Auflastvorraum.
  • FIG. 2 a cross-section with a vertical sectional plane along Il-II is sketched by FIG. 1, the plane lying as the yz-plane of a fixed xyz-coordinate system with respect to the printing plate.
  • the pressure plate is notionally divided into two parts, wherein in a first, left part (A) a bolt BS as a fastener and in the right part (B) is provided a threaded bushing BB as a fastener.
  • the screw bolt BS is embedded with a part of the bolt shaft and a widened bolt head in the plastic material of the plastic body KK of the pressure plate and surrounded by the plastic and enclosed and protrudes with a threaded portion on the plastic body KK of the pressure plate out.
  • the threaded bush BB is completely sunk into the plastic body KK of the pressure plate and also completely enclosed on its outer surface by the plastic material.
  • the plastic material is advantageously introduced into a casting mold in a liquid phase with low viscosity, typically of the order of magnitude of the viscosity of water, wherein the introduction can advantageously take place without pressure or solely under the influence of gravity on the flowable plastic material.
  • the casting mold forms the underside US, the side surfaces SF along the outline of the pressure plate and the circumferential edge land regions RF of the pressure plate projecting downwards in the extension of the side surfaces.
  • the top side OS of the pressure plate can likewise be predetermined by a cover of the casting mold for the pressure plate.
  • the mold can also be open at the top and the upper side OS of the printing plate is determined by precise metering of the amount supplied liquid plastic and / or fixed by solidification of the plastic by mechanical post.
  • Fig. 3 an advantageous variant is outlined in an oblique view, in which the pressure plate is not formed entirely of a material-homogeneous plastic body KK, but in which a reinforcing plate KB as a reinforcing element in a plastic body KU embedded and from this enclosed on all sides.
  • Fasteners BE are connected in this case with the plate KB, which preferably consists of steel, and attached thereto.
  • the reinforcing elements At their sections projecting beyond the reinforcing plate KB, the reinforcing elements in turn are surrounded by the plastic material of the plastic body KU.
  • FIG. 4 shows the pressure plate according to FIG. 3 in plan view and in FIG. 5 in a sectional side view along V - V of FIG. 4.
  • the plate KB fills in the plan view of the predominant surface areas of the outline of the printing plate and extends in particular up to the fastening elements BE.
  • the plate may also be provided a perforated or otherwise suitable for mechanical reinforcement reinforcing structure.
  • the surface of the reinforcing plate can advantageously be pretreated in such a way that the plastic of the plastic body KU adheres well to the surface of the plate KB. It can be seen from the cross-section according to FIG. 5 that the plastic body KU advantageously completely surrounds the reinforcing plate KB on all sides.
  • the plate can be provided for further direct material connections of the parts located above and below the plate of the plastic body openings DB, as shown in Fig. 6 in an oblique view and in Fig. 7 in a side sectional view along VII-VII by Fig. 6 with a plate KD is shown as a reinforcing element.
  • a plate KD is shown as a reinforcing element.
  • the edge land areas RF are formed.
  • a plate as a reinforcing element and only a reinforcing skeleton may be embedded in the plastic, which preferably connected directly to the fasteners.
  • a mechanical connection of a Such Gerippes or even the plate KB with the fasteners can also be given in an advantageous embodiment on the plastic.
  • the upper side OS of the pressure plate is advantageously at least predominantly or preferably as in the examples substantially completely formed by the plastic, with only small surface areas are excluded in the fasteners.
  • FIG. 8 shows a plan view and FIG. 9 shows a section from a sectional side view along IX-IX of FIG. 8 to an embodiment with a heating device integrated in the pressure plate, which can be designed in particular as an electric heater and preferably embedded in the plastic ,
  • the heating device is advantageously positioned offset against the center plane ME between the top and bottom of the pressure plate down to the bottom of the pressure plate and is advantageously located near the bottom US of the pressure plate.
  • An insulation of electrically conductive heating elements HE can be done directly by the plastic itself, so that a good heat transfer is ensured in the plastic and on this to the bottom.
  • the guidance of heating elements HE in the plastic body KU outlined in FIG. 8 and the arrangement of electrical connections A1, A2 are only to be understood as one of many possible geometries.
  • the plastic material may contain admixtures, such as. As tensile fibers to improve mechanical properties and / or thermally conductive fibers or particles to increase the thermal conductivity of integrated heater.
  • the invention is not limited to the described embodiments and can be modified within the scope of expert knowledge in many ways.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

Pour la fabrication d'agglomérés de béton dans une machine à mouler avec un moule doté de plusieurs cavités de moule et des plaques de compression qui plongent dans les cavités de moule par le haut et appuient sur la quantité de béton qui se trouve dans les cavités de moule d'un dispositif d'application de charge, des plaques de compression avantageuses, qui sont pour la plus grande partie en matière plastique et peuvent de préférence être fabriquées par polymérisation d'une matière plastique dans un moule de coulée, sont proposées.
PCT/EP2007/055409 2006-06-03 2007-06-01 Dispositif pour la fabrication d'aggloméré de béton, plaque de compression pour un dispositif de ce type et procédé de fabrication d'une plaque de compression de ce type WO2007141212A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07765307A EP2035201A1 (fr) 2006-06-03 2007-06-01 Dispositif pour la fabrication d'aggloméré de béton, plaque de compression pour un dispositif de ce type et procédé de fabrication d'une plaque de compression de ce type

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006026117.8 2006-06-03
DE200610026117 DE102006026117A1 (de) 2006-06-03 2006-06-03 Anordnung zur Herstellung von Betonformsteinen, Druckplatte für eine solche Anordnung und Verfahren zur Herstellung eines solchen Druckplatte

Publications (1)

Publication Number Publication Date
WO2007141212A1 true WO2007141212A1 (fr) 2007-12-13

Family

ID=38521789

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/055409 WO2007141212A1 (fr) 2006-06-03 2007-06-01 Dispositif pour la fabrication d'aggloméré de béton, plaque de compression pour un dispositif de ce type et procédé de fabrication d'une plaque de compression de ce type

Country Status (3)

Country Link
EP (1) EP2035201A1 (fr)
DE (1) DE102006026117A1 (fr)
WO (1) WO2007141212A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1034930C2 (nl) * 2008-01-18 2009-07-21 Beheermij De Boer Nijmegen Bv Inrichting met verbeterde stempelinrichting en werkwijzen daarvoor.
CN106182886B (zh) * 2016-08-30 2018-07-31 博众精工科技股份有限公司 一种分离式压合装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241527A1 (de) * 1982-11-10 1984-05-10 Verschleißtechnik Dr.-Ing. Hans Wahl GmbH & Co, 7302 Ostfildern Stempelplatte
DE8436898U1 (de) * 1984-12-17 1985-04-11 Hermann Küsel GmbH, 2806 Oyten Heizplatte für Betonsteinstempel
EP0166197A2 (fr) * 1984-05-23 1986-01-02 SINNER Stahl- u. Industriebauten GmbH Machine pour le moulage du béton

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1258686B (it) * 1992-05-15 1996-02-27 Mass Spa Tampone ceramico tipo muratura
DE19506614C2 (de) * 1995-02-24 1997-03-27 Hiesl Gerhard Ing Grad Betonsteinfertigungseinrichtungen, insbesondere für deren Auflasten
PT947299E (pt) * 1997-12-11 2001-07-31 Entwicklungsgesellschaft Wolfg Processo e dispositivo para a fabricacao de elementos de betao com agregados expostos
DE10219746A1 (de) * 2002-05-02 2003-11-13 Kobra Formen Gmbh Anordnung mit einer Druckplatte zur Herstellung von Betonformteilen und Verfahren zur Herstellung einer Druckplatte
DE202005012762U1 (de) * 2005-06-11 2005-11-17 Kobra Formen Gmbh Anordnung zur Herstellung von Betonformsteinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241527A1 (de) * 1982-11-10 1984-05-10 Verschleißtechnik Dr.-Ing. Hans Wahl GmbH & Co, 7302 Ostfildern Stempelplatte
EP0166197A2 (fr) * 1984-05-23 1986-01-02 SINNER Stahl- u. Industriebauten GmbH Machine pour le moulage du béton
DE8436898U1 (de) * 1984-12-17 1985-04-11 Hermann Küsel GmbH, 2806 Oyten Heizplatte für Betonsteinstempel

Also Published As

Publication number Publication date
DE102006026117A1 (de) 2007-12-06
EP2035201A1 (fr) 2009-03-18

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