WO2007141214A2 - Dispositif pour la fabrication de blocs de béton, moule pour un tel dispositif et procédé de fabrication d'un tel moule - Google Patents

Dispositif pour la fabrication de blocs de béton, moule pour un tel dispositif et procédé de fabrication d'un tel moule Download PDF

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Publication number
WO2007141214A2
WO2007141214A2 PCT/EP2007/055411 EP2007055411W WO2007141214A2 WO 2007141214 A2 WO2007141214 A2 WO 2007141214A2 EP 2007055411 W EP2007055411 W EP 2007055411W WO 2007141214 A2 WO2007141214 A2 WO 2007141214A2
Authority
WO
WIPO (PCT)
Prior art keywords
mold
mold insert
mold frame
insert
frame
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.)
Ceased
Application number
PCT/EP2007/055411
Other languages
German (de)
English (en)
Other versions
WO2007141214A3 (fr
Inventor
Swen Dietrich
Rudolf Braungardt
Holger Stichel
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 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 EP07765308A priority Critical patent/EP2035200A2/fr
Publication of WO2007141214A2 publication Critical patent/WO2007141214A2/fr
Publication of WO2007141214A3 publication Critical patent/WO2007141214A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/081—Vibration-absorbing means
    • 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
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps

Definitions

  • the invention relates to an arrangement for the production of concrete blocks, a mold for such an arrangement and a method for producing such a form.
  • a mold having one or more cavities is held in a molding machine.
  • the mold cavities of the mold are open upwards and downwards.
  • the shape is adjustable in height relative to a pad and in particular placed on the pad, which then closes the lower openings.
  • a moist concrete amount is filled through the upper openings.
  • the upper openings are closed by pressure plates of a loading device dipping into them.
  • the printing plates press on the concrete quantity.
  • the pad with the mold is excited to vibrate in particular vertical vibrations by means of a vibrating device, with the vibrating motions of the substrate propagating into the concrete quantity and this being compacted in a short time into dimensionally stable concrete shaped blocks.
  • the mold is typically replaceably held in the molding machine.
  • WO 03/092973 A1 describes a mold in which a resilient vibration damping means is introduced into a gap between the mold insert and the mold frame, which is adhesively bonded to the opposing walls of mold insert and mold frame which form the gap between them , The vibration damping means is injected in liquid form into the gap and adheres there to the wall surfaces and hardens.
  • the invention has for its object to provide an advantageous arrangement for the production of concrete blocks with such a split shape, a mold for such an arrangement and a method for producing such a form.
  • a mold contains a mold frame and a mold insert held therein, wherein the mold frame is clamped or clamped in a molding machine and the mold insert contains one or more mold cavities and can be placed on a vibratory pad and caused during a Rüttelvorgangs on the vibratory pad to Studtteldochen.
  • the support plane of the vibratable supports, on which the mold insert can be placed with a lower support plane typically runs horizontally. tally. As far as in connection with the form of upper, lower, lateral, horizontal or vertical orientations are mentioned, these are based on the regular operating position of the mold.
  • Mold insert and mold frame are typically made of steel, wherein in particular the mold insert to reduce the abrasion may have been additionally trained a process of surface hardening.
  • the surfaces which are in contact with the amount of concrete or the solidified concrete blocks are advantageously hardened.
  • the mold insert may partially or completely also consist of another material.
  • a gap is formed, which is advantageously at least partially filled with a different form of mold and mold insert material, hereinafter also referred to as a connecting material filled.
  • a different form of mold and mold insert material hereinafter also referred to as a connecting material filled.
  • first holding elements of the mold insert and second holding elements of the mold frame In the intermediate space protrude first holding elements of the mold insert and second holding elements of the mold frame. It is essential that the forces occurring during operation between the mold frame and mold insert, in particular the forces for pressing the mold insert on the vibratory pad and the additional vibrational forces occurring in the shaking operation and the holding forces in vertically spaced from the pad mold insert, for example during demolding the consolidated concrete bricks are transmitted through the lower openings of the mold cavities, at least predominantly (ie> 50%), typically completely between the first and second support structures via the bonding material.
  • the bonding material used is preferably a polymer which is solidifiable from a liquid phase and which, after precise relative alignment of the molding frame and the mold insert, is introduced into the intermediate space between them and cured in the intermediate space.
  • preferential way is no bonding of the polymer with the facing wall surfaces of mold insert and mold frame, which limit the space between the mold frame and mold insert laterally required or provided.
  • Multi-sided surrounded by the bonding material and enclosed in this holding structures act as shrinking centers (also known as shrink cores).
  • the compound material is advantageously introduced at temperatures below 80 0 C, preferably at room temperature as a liquid phase in the space.
  • the degree of shrinkage of the solidified bonding material with respect to the liquid phase is advantageously at least 1%, in particular at least 2% by volume.
  • the volume-related shrinkage measure is advantageously at most 6%, in particular at most 4%.
  • the side walls of the mold insert and the forming frame which border each other and which define the gap are also referred to simply as side walls of the mold frame and / or mold insert.
  • These side walls are preferably, but not necessarily, substantially vertical, d. H. perpendicular to a support plane and to the lower boundary plane of the mold insert, with which this can be placed on the support plane.
  • holding structures which allocate space from the side walls of the mold insert and / or the mold frame, are designed in such a way that the holding structures have holding elements which, in their course, extend away from the wall carrying them into the intermediate space Broaden across the shortest connection of the opposite side walls.
  • the widenings of the holding elements can act in a particularly advantageous manner as shrink cores or shrink centers with respect to a shrinkage of the connecting material in the radial direction between the opposing side surfaces of mold insert and mold frame, on soft out the shrinkage of the plastic takes place during the polymerization.
  • a bonding of the plastic with the holding elements is not required.
  • the horizontal direction in the direction of the shortest connection between mutually opposite, preferably substantially vertical, side walls of the mold frame and mold insert is also referred to as the radial direction.
  • the sides are referred to as longitudinal sides and as transverse sides of the mold frame or mold insert.
  • both on the side of the mold frame and on the sides of the mold insert in the intermediate space projecting holding elements of the support structures are formed.
  • At least some of the first holding elements and / or the second holding elements preferably have in the radial direction mentioned a Warrek- kung, which is greater than the smallest transverse dimension of the respective holding element perpendicular to the radial direction, in particular the transverse dimension in the vertical direction.
  • the holding structures on the side walls of the mold frame and / or mold insert in the direction of the respective sides of the side walls in a plurality, in particular at least three holding elements shares. This favors the flow of the low-viscosity introduced connecting material and the complete filling of the gap or the part of the intermediate space provided for the connecting material.
  • the joining material is favored for its shrinkage on the holding structures.
  • holding elements overlap on side walls of the mold insert in the radial direction with adjacent holding elements of the mold frame and / or vice versa. As adjacent to the transverse to the respective radial direction nearest retaining elements of the respective other component are considered. An overlap can be given both when looking in the circumferential direction of the gap, ie horizontally and transversely to the respective radial direction, as well as in a vertical plan view of the gap.
  • successive holding elements form gaps between them in the circumferential direction along one side of the mold insert or mold frame, into which holding elements of the respective other component, that is to say of the mold frame or of the mold insert engage.
  • holding elements of mold insert and mold frame can overlap in a vertical plan view, wherein preferably the holding elements of the mold insert extend at least in the overlapping areas below the holding elements of the mold frame.
  • Such an arrangement has the particular advantage that in the case of the particularly high forces of pressing the mold insert onto the substrate by means of the mold frame and during the shaking process, the plastic between the vertically opposed surfaces of holding elements of mold insert and mold frame is subjected to pressure and a stress of the plastic to train only occurs when lifted from the pad mold insert, where the forces are much lower.
  • all or at least the vast majority of the retaining elements have both upwardly facing and downwardly facing surfaces in contact with the plastic in the gap.
  • the entire space between the mold insert and the mold frame is filled with the plastic, which forms a one-piece material-homogeneous plastic body including the holding elements.
  • a plurality of potting bodies are present separately at different locations of the interspace and / or that recesses are provided in a potting body at locations where no or only small forces are transmitted.
  • the separate plastic body may be made of the same material or of different materials.
  • the support structures can occur mixed in different versions.
  • different types or arrangements of holding structures are provided on different sides, wherein preferably similar holding structures are formed on opposite sides.
  • the preparation of the mold is preferably carried out in such a way that after precise relative alignment of mold insert and mold frame, the gap formed between them sealed down and filled with bonding material in the liquid phase, which cures with constant relative fixation of mold insert and mold frame, in particular by polymerization ,
  • mold frames and mold set are also placed with their respective tops down on a common plane or on a targeted non-planar support surface, so that automatically formed by the support surface flush with the tops of mold insert and mold frame upper surface of the plastic body in the space.
  • FIG. 2 is a plan view of the mold of FIG. 1,
  • FIG. 3 shows a section through Fig. 2 along B - B
  • Fig. 4 is an assembled view of another advantageous
  • FIG. 5 is an oblique view of the assembled from the parts of FIG. 4 form
  • FIG. 6 is a plan view of the shape of Fig. 5,
  • FIG. 7 shows a section through FIG. 6 along G - G
  • FIG. 8 shows another embodiment with a view in the lateral direction
  • Fig. 9 is a section through Fig. 8 along IX - IX.
  • a first advantageous embodiment of a mold according to the present invention is outlined in an oblique view from above.
  • the mold contains a mold insert FE, in which a plurality of mold cavities FN separated by partitions ZW are formed.
  • the mold cavities FN are upwardly and downwardly open and substantially cylindrical.
  • the mold insert FE is surrounded by a mold frame FR, which in the x-direction of an xyz coordinate system extending transverse bars QL and extending in the y-direction longitudinal strips LL contains.
  • Adjacent side walls SE of the mold insert and side walls SR of the mold frame bound laterally a circumferential gap ZR. From the side walls SE of the mold insert, first holding elements HE protrude into the intermediate space as first holding structures, and second holding elements HR protrude from the side walls SR of the mold frame FR as second holding structures into the intermediate space.
  • the gap is partially or completely potted in the finished form with a plastic. In Fig. 1, the plastic for clarity is not shown or assumed to be completely transparent.
  • the relative positions of mold insert FE and mold frame FR in Fig. 1 correspond to their position in the finished form with the plastic composite material in the intermediate space ZR.
  • FIG. 2 is a plan view of the mold of FIG. 1 is shown.
  • FIG. 3 shows a section through the shape according to FIG. 2 along the stepped sectional plane B-B.
  • broken lines on the transverse strips QL flange lead in FIG. FL for clamping the mold in a molding machine and at the lower boundary plane of the bottom US of the mold insert a stone board SB and a vibrating table RT indicated as a vibratory pad.
  • the support structures projecting from the facing side walls SE of the mold insert and SR of the mold frame into the intermediate space lying between them are assumed in the example shown as a plurality of holding elements.
  • each longitudinal side (y direction) and transverse side (x direction) of the substantially rectangular interspace of both components, i. H. of mold insert and mold frame each provided a plurality of projecting into the intermediate holding elements.
  • gaps are formed in each case between holding elements of one side of a component, that is, between first holding elements HE of the mold insert and / or between second holding elements HR of the mold frame, into which holding elements of the respective other component engage.
  • the first holding elements of the mold insert and the second holding elements of the mold frame are arranged horizontally one behind the other and spaced apart in the lateral direction x and y.
  • the holding elements of the example according to FIGS. 1 to 3 show an advantageous feature, according to which the holding elements widen in the radial direction away from the side wall, to which they are respectively fastened, transversely to this radial direction.
  • the radial direction is understood to be the direction of the shortest connection of the opposite side walls SE and SR. Regardless of longitudinal strips and transverse strips is therefore below also from the side and radial direction of the speech.
  • the radial direction runs horizontally in the sketched example and to the respective lateral direction.
  • the widening of the holding elements in the direction away from the holding side wall into the intermediate space brings about a particularly reliable anchoring of the holding elements in the connecting material introduced into the intermediate space during its hardening.
  • a typical volumetric shrinkage of a polymerization-curing plastic as a bonding material advantageously results in the advantageous broadening of the retaining elements and / or their meshing that the shrinkage takes place transversely to the radial direction to the holding elements, and in the radial direction, in particular their widening out.
  • the surfaces of the holding elements can be specifically pretreated for a particularly good connection with the plastic of the connecting material.
  • the shape of the holding elements can vary in detail and deviate from the shape sketched in the example according to FIGS. 1 to 3. In particular, other forms of broadening may be provided instead of the plate-shaped widening of the holding elements with vertical plate surfaces in the example outlined.
  • FIGS. 4 to 7 a form of the holding elements is described in which they have a predominantly flat shape and lie vertically in different planes.
  • mold insert and mold frame are shown separately, being indicated by the position of the mold frame FR and mold insert FE that the mold frame FR is to be assembled from above with the mold insert.
  • first holding elements EF on the mold insert and second holding elements RF on the mold frame overlap radially in vertical projection.
  • the first holding elements EF of the mold insert lie below the second holding elements RF of the mold frame.
  • a connecting material filling the intermediate space ZR then lies both above and below the first holding elements EF and the second holding elements RF and in particular also in the vertical direction between the first and the second holding elements.
  • this is for the transmission of particularly high forces between the mold frame and mold insert, which is the case when pressing the mold insert on a vibratory pad, for example, an indicated in Fig. 7 board SB on a vibrating table on the clamped in a molding machine mold frame, the plastic - Compound claimed essentially to pressure between vertically overlapping overlapping areas UB of the first and second holding elements.
  • the holding elements are arranged offset in the circumferential direction of the gap ZR to each other in the circumferential direction in the sketched example, in particular from FIG. But the holding elements can also be performed completely overlapping in the circumferential direction.
  • the holding elements can also, as stated in the example according to FIGS. 1 to 3, be widened away from the side walls of the mold insert and / or the mold frame into the intermediate space ZR.
  • the extension of the holding elements in the radial direction is advantageously greater than the smallest dimension of the holding elements transversely to the radial direction, in the example sketched, the height of the holding elements in the z-direction.
  • first holding elements as bolts BE and second holding elements as bolts BR, each with a widened head and screwed into holes in the side walls SE or SR of mold insert FE or frame FR or screwed or with welded to the side walls.
  • the bolts project in the radial direction RR overlapping into the space between the mold insert and the mold frame and are enclosed in the potting body.
  • the bolts BE connected to the side wall SE of the mold insert are located lower inside the gap than the bolts BR connected to the side wall SR of the mold frame according to the view of FIG. 9 along IX-IX of FIG. 8 are the bolts BE in the lateral direction arranged on a gap to bolts BR without overlapping in vertical projection bolts BE and BR.
  • the stepped section line VIII-VIII in Fig. 9 indicates the course of the sectional view of FIG. 8.
  • additional gaps between the potting body GD and the sidewalls SE or SR are designated by SS, which can result in the volume shrinkage of a polymerizing potting material when the bolts and bolt heads act as shrinking centers.
  • gaps SS are typically only fractions of millimeters.
  • Plastic molded body lies substantially in a common plane with the upper boundary plane OE of the mold insert and the top of the mold frame.
  • a filling device is moved horizontally over the common plane for filling the mold cavity.
  • the holding elements can be made in a first embodiment directly when milling mold insert or mold frame of a metal block in one piece with mold frame or mold insert.
  • the holding elements can be used in other embodiments on side walls of the mold frame and / or mold insert. stigt, in particular used in holes and / or welded to the side walls.
  • the holding elements can also be designed as continuous strips along the sides, in which case advantageously continuous through holes, holes or the like can be provided in the strips from below to form material bridges of the plastic connecting material and a firm anchoring of the holding element in the plastic connecting material manufacture.
  • For the shape of the holding elements a variety of design options are possible.
  • the mold frame and mold insert including holding elements, are prepared separately and, as indicated in FIG. 4, brought into a defined relative position and fixed in this relative position.
  • the gap formed between the side walls SE and SR of mold insert or mold frame is closed at least downwards and plastic material in the liquid phase is introduced into the intermediate space.
  • the liquid plastic material is advantageously introduced at temperatures below 80 0 C, preferably approximately at room temperature.
  • the solidification of the plastic material, in particular by polymerization, may be accompanied by a volume shrinkage, which may be advantageous and desirable in the present case.
  • the plastic material may advantageously be polyurethane.
  • the position of the mold frame and mold insert is maintained via auxiliary equipment until solidification of the liquid introduced plastic material.
  • the mold insert and mold frame are placed with downwardly facing tops on a flat support surface which closes the gap ZR flush with the tops of the mold frame and mold insert, and from the upwardly facing undersides of the mold frame and mold insert ago the liquid compound material is introduced into the space. If not the entire space to be filled with the bonding material, for example, in the corner areas, even during the casting recess body can be used in the space.
  • the mold may be replaceably held in a known manner in a molding machine, wherein on the mold frame can typically be provided flange strips or other elements for clamping the mold in the machine.
  • the mold can be placed with the underside of the mold insert on a vibratory pad, in particular a board on a vibrating table, wherein the underside of the mold cavity is closed by the pad.
  • pressure plates Auflastvorraum be used in the upper openings of the mold cavities.
  • the printing plates press on the upper surface of the concrete amount.
  • a vibrator for which various designs are known, stimulates the pad to predominantly vertical Jottelschwingungen, which are transferred to the concrete amount, whereby the concrete amount is solidified in a short time to dimensionally stable concrete blocks.
  • the solidified concrete blocks can be removed from the mold cavities through the lower openings of the mold cavities, typically under the action of the printing plates, and in particular stored on the base forming the board for further transport and storage become.
  • Such other components of an assembly for the production of concrete blocks such.
  • vibrator, pad, Auflastvoriques, flange bars, etc. are not included in the figures for clarity drawn or merely indicated, but are well known to those skilled in the art.

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

Abstract

L'invention concerne la fabrication d'un moule pour blocs de béton dans une machine à moules, un mode de réalisation comprenant un cadre de moule, un insert de moule et un matériau de liaison reliant ces derniers dans un espace intermédiaire, le cadre de moule et l'insert de moule étant reliés par le biais d'éléments de retenue dépassant dans l'espace intermédiaire, de préférence par un polymère en tant que matériau de liaison.
PCT/EP2007/055411 2006-06-03 2007-06-01 Dispositif pour la fabrication de blocs de béton, moule pour un tel dispositif et procédé de fabrication d'un tel moule Ceased WO2007141214A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07765308A EP2035200A2 (fr) 2006-06-03 2007-06-01 Dispositif pour la fabrication de blocs de béton, moule pour un tel dispositif et procédé de fabrication d'un tel moule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006026115.1 2006-06-03
DE200610026115 DE102006026115A1 (de) 2006-06-03 2006-06-03 Anordnung zur Herstellung von Betonformsteinen, Form für eine solche Anordnung und Verfahren zur Herstellung einer solchen Form

Publications (2)

Publication Number Publication Date
WO2007141214A2 true WO2007141214A2 (fr) 2007-12-13
WO2007141214A3 WO2007141214A3 (fr) 2008-02-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/055411 Ceased WO2007141214A2 (fr) 2006-06-03 2007-06-01 Dispositif pour la fabrication de blocs de béton, moule pour un tel dispositif et procédé de fabrication d'un tel moule

Country Status (3)

Country Link
EP (1) EP2035200A2 (fr)
DE (1) DE102006026115A1 (fr)
WO (1) WO2007141214A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016198134A1 (fr) * 2015-06-10 2016-12-15 Brunello Marco S.R.L. Moule pour la fabrication de pavés autobloquants en matériau cimentaire

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007019388A1 (de) * 2007-04-23 2008-11-06 Kobra Formen Gmbh Form zur Herstellung von Betonformsteinen und Verfahren zu deren Herstellung
DE102009048599A1 (de) * 2009-10-07 2011-04-14 Rampf Formen Gmbh Form zur Herstellung von Formkörpern und Verfahren zur Herstellung einer Form für die Herstellung von Formkörpern
DE102018101165A1 (de) * 2018-01-19 2019-07-25 Rampf Formen Gmbh Form, insbesondere Betonform
CN111002455B (zh) * 2019-09-29 2021-02-02 东营固泰尔建筑科技有限责任公司 一种装配式建筑构件生产系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710643A1 (de) * 1977-03-11 1978-09-14 Hermann Seiler Einrichtung zur befestigung von formen
DE19508152A1 (de) * 1995-03-08 1996-09-12 Kobra Formen & Anlagenbau Gmbh Rüttelform
DE10157414A1 (de) * 2001-11-23 2003-06-12 Hermann Kuesel Gmbh Rüttelform
EP1509374B1 (fr) * 2002-05-03 2006-01-25 Rampf Formen GmbH Moule pour façonner des pièces usinées sur une table vibrante

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016198134A1 (fr) * 2015-06-10 2016-12-15 Brunello Marco S.R.L. Moule pour la fabrication de pavés autobloquants en matériau cimentaire

Also Published As

Publication number Publication date
DE102006026115A1 (de) 2007-12-06
EP2035200A2 (fr) 2009-03-18
WO2007141214A3 (fr) 2008-02-28

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