WO2019048688A1 - Dispositif de fabrication de moules de béton - Google Patents

Dispositif de fabrication de moules de béton Download PDF

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Publication number
WO2019048688A1
WO2019048688A1 PCT/EP2018/074381 EP2018074381W WO2019048688A1 WO 2019048688 A1 WO2019048688 A1 WO 2019048688A1 EP 2018074381 W EP2018074381 W EP 2018074381W WO 2019048688 A1 WO2019048688 A1 WO 2019048688A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
stop
damping element
intermediate plate
mold
Prior art date
Application number
PCT/EP2018/074381
Other languages
German (de)
English (en)
Inventor
Holger Stichel
Jan Streckenbach
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
Publication of WO2019048688A1 publication Critical patent/WO2019048688A1/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026—Mounting of dies, platens or press rams

Definitions

  • the invention relates to a device for producing concrete moldings. From the general state of the art it is known to use devices for the production of concrete moldings for machining. These contain a molding machine and a mold with a mold base and a stamp unit. In the lower mold part more open up and down mold nests are usually formed. The mold base is placed with a lower boundary plane of a stone field on a horizontal surface, which closes the lower openings of the mold. Through the upper openings, the mold nests are filled with concrete amount, which is then pressed through arranged on the stamp unit printing plates by the pressure plates are sunk through the upper openings in the mold cavities. Connecting is done by shaking the pad, a solidification of the concrete amount to form-stable concrete moldings.
  • the stamp unit is connected to a hydraulically actuated vertical movement unit of the molding machine and by means of this vertically movable.
  • the connection can be given in conventional construction via a Auflastü, which usually forms with the stamp unit a Formoberteil as uniformly manageable assembly.
  • EP 1 674 226 A2 states that the stone surface by means of a horizontally floating storage of the printing plates relative to the molding machine, the stone surface during the take place for the compression of the concrete amount jarring motion influenced unfavorably.
  • a device for the production of concrete blocks is known, in which a plate-shaped functional device is provided, which contains, in addition to a stamp plate for connecting a plurality of stamp tubes, a connecting plate assigning a loading device.
  • the stamp plate and the connecting plate are connected to each other via connecting means comprising elastically deformable damping elements.
  • the damping elements allow a relative movement between the connecting plate and the die plate, wherein limited by the damping elements maximum vertical displacement is greater than a gap between the die plate and stop elements on the connecting plate. This results in the Rüttel stipulate an initial compliance with vertical movement of the stamp plate in the direction of Auflast gifted. After displacement by the gap a braking of the stamp plate by the stop element and consequently also the movement of the stamp plate with enforcing printing plates on the concrete amount.
  • swinging pressure plates are known in which a vertically limited displacement, for example, between a lower mounting plate, which is connected to the pressure plate, and an upper mounting plate can be provided. It has been shown that such vibrating mounted printing plates cause better compaction results, especially in large-scale and difficult to compact products. In particular, swinging pressure plates prevent an un- even take-off in large stone fields, while still optimally exploiting the vibrations in the stone field during the Haitteins.
  • an apparatus for the production of concrete moldings which has a compact construction of the damping elements, is known from EP 3 000 571 A1.
  • an apparatus for producing concrete moldings is described with a molding machine and with a changeable arranged in this form, comprising a mold base with one or more mold cavities and a mold top with a pressure plate assembly with one or more the mold cavities facing pressure plates, wherein the mold top relative to the lower mold part is displaceable so that the pressure plates during compression of a filler in the lower mold part along a gap against a restoring force of an elastically deformable damping element up to an outer edge of a stop element vertically by means of a stamped and connected via this with an intermediate plate Stempelplat- te are displaceable, wherein the stop element is formed hollow and in its interior, the damping element is arranged.
  • an apparatus for the production of concrete molded parts which comprises a mold machine interchangeably arranged mold base with one or more mold cavities and a mold top with one or more mold cavity facing pressure plates, which via one or more stamp with at least one intermediate plate and via one or more stop elements with a stamp plate is connectable, wherein the upper mold part is vertically displaceable relative to the mold base of stamped and connected to this with the intermediate plate punch plate, wherein the pressure plates during compression of a filler in the lower mold part along an intermediate stop element and intermediate plate arranged gap against a restoring force of an elastically deformable damping element can be displaced up to an outer edge of a stop element, wherein the stop element is formed hollow and in its Inn Heen the damping element is arranged and the damping element is biased before the start of compressing a filler.
  • the device according to the invention uses an arrangement of pressure plate, intermediate plate and stamp plate, wherein between the intermediate plate and the stamp plate, a damping element is provided, the th in contact of the printing plate with a concrete amount during insertion of the printing plates in a lower mold part vertical and / or horizontal mobility the printing plates allows.
  • a gap is provided adjacent to the stop member, which is reduced during the compression of the filler, so that a vertical mobility is limited.
  • the damping element is biased so that a restoring force is exerted by the damping element before the start of compression of the filler.
  • the gap is formed adjacent to the stop element, wherein the stop element according to the invention is designed in the form of a hollow body. Accordingly, it is possible to attach the damping element inside the hollow body. This leads to a compact structure in which pressure plates are mounted swinging.
  • the damping element is biased by a closing element, which is arranged on the gap-facing side of the damping element and is immovable with respect to the stop element.
  • the stop element is limited on the side facing the gap with a closure element, which is for example in the form of a lid, so that the damping element is limited within the stop member to a fixed size with respect to the maximum extent.
  • a closure element which is for example in the form of a lid
  • the damping element can only be compressed, but it is not possible, for example, when removing the pressure plates to extend the damping element over the predetermined by the stop element maximum amount.
  • the dimensioning is chosen such that the space available for the damping element already brings about the desired preload before the beginning of the compression of the filler.
  • the closure element is designed as a lid, which is connected to the stop element, preferably screwed via a screw connection.
  • the closing element can be designed as a component which is separate from the stop element and which is applied and screwed onto the stop element in the direction of the gap. Accordingly, a simple structure is created, which also allows a simple replacement of the damping element, for example, when worn.
  • the closure element has an opening into which a transmission element for transmitting power to the damping element can be inserted.
  • the force is transmitted to the elastically deformable damping element via the transmission element in the opening of the end element, here typically a hollow cylindrical pressure piece is used to transmit the forces between the intermediate plate and the pressure plate during the compression of the damping element can.
  • the closing element and the stop element are made in one piece or connectable via a screw connection.
  • closure element and the stop element in one piece, wherein here, for example, a hollow cylindrical structure may be provided with a not completely continuous channel.
  • a workpiece can be milled or rotated, for example.
  • the stop elements are connectable via an upper connection plate with the stamp plate. Accordingly, a pre-assembly of all belonging to a printing plate components can be carried out, which are then connected to the stamp plate.
  • the pressure plate via a lower connection plate with the punches, preferably via a screw connection is connectable.
  • a plurality of, preferably four, stop elements are arranged substantially symmetrically.
  • the maximum distance from the intermediate plate to the stamp plate can be fixed by means of a limitation. Accordingly, the maximum extent of the damping element is limited, so that for example when removing the printing plates from the mold cavity no excessive longitudinal extent can be generated, which could cause damage to the damping element, for example in the form of a vibration metal by tensile stresses.
  • a plurality, preferably four, boundaries are provided, which are arranged substantially symmetrically. Accordingly, a uniform possible design is created here as well, which ensures parallelism between the pressure plate and the stamp plate, without the now oscillating mounted printing plates and intermediate plates can tilt.
  • the boundary is preferably connected via a screw connection with the upper connection plate.
  • the boundary of the upper connection plate protrudes through the intermediate plate and is provided on the underside for fixing at least partially with a collar.
  • the intermediate plate is designed in two parts.
  • the two-piece design facilitates pre-assembly of the components associated with a pressure plate and provides a means of countersinking screw heads or nuts through recessed holes or apertures disposed in the plates, thereby allowing for compact construction and disassembly.
  • the damping element is preferably connected to the upper connection plate via a thread arranged in the upper connection plate. This allows a simple yet reliable attachment of the damping elements.
  • the damping element has a resilient element which is preferably formed as a cylindrical gummi rubber body, in particular as a vibrating metal, or as a spring.
  • FIG. 2 shows a part of an apparatus for the production of concrete moldings according to a first embodiment of the invention in a perspective side view
  • 3 shows the part of a device from FIG. 2 of a further perspective side view
  • FIG. 4 shows the part of a device from FIG. 2 of another perspective view
  • FIG. 5 shows the part of a device from FIG. 2 in a detail view in a side view
  • FIG. 6 shows the part of a device from FIG. 5 in a detail view in FIG
  • FIG. 7 shows the part of a device from FIG. 5 in a further detail view in a sectional view.
  • FIG. 1 shows a device VO which is suitable for producing concrete moldings in a molding machine.
  • the device VO has an exchangeably arranged shape, which is formed by a lower mold part FU and a upper mold part FB.
  • the lower mold part FU has a mold cavity FN which has a correspondingly selected number of openings OE, so that concrete moldings in the desired number or size can be produced with the appliance VO.
  • the upper mold part FB has a plurality of printing plates DP, each printing plate DP corresponding to one of the openings OE.
  • the printing plates DP are each connected via a plurality of punches ST with a stamp plate SP.
  • a loading device AE which can compress via the stamp ST a introduced into the openings OE of the mold cavity FN amount of concrete as filling material accordingly.
  • a lower connection plate AU is arranged, which is connected on its underside with the pressure plate DP and on its upper side with the punches SP.
  • the opposite end of the punches ST opens into an intermediate plate ZW1 and ZW2, which may have a multi-part design, wherein the vertical movement of the pressure plates DP pointing in the direction of the mold cavity FN initially occurs counter to a restoring force of a plurality of damping elements.
  • FIG. 2 shows a perspective side view of a part of the device VO shown in FIG. 1 according to a first embodiment of the invention.
  • the component of the device VO shown in FIG. 2 corresponds to the part below the loading device AE in FIG. 1, which is assigned to a single pressure plate DP. For reasons of better clarity, the presentation of the lower part of the form was also omitted.
  • the pressure plate DP is connected via a plurality of first screw connections SV1 to a lower connection plate AU. Between the lower connection plate AU and the pressure plate DP can still further Elements WE are, but which are not part of the present invention. This could for example be a replacement plate, which can be used instead of an insulation plate.
  • the punches ST connect the lower connecting plate AU with a two-part intermediate plate, the components of which are referred to below as the first intermediate plate ZW1 and the second intermediate plate ZW2. In the embodiment shown in FIG. 2, each punch ST is arranged on the underside of the second intermediate plate ZW2 and is fastened there via screws which can be lowered in the first intermediate plate ZW1.
  • an upper connection plate AO which can be connected to the stamp plate SP shown in Fig. 1.
  • a plurality of stop elements AN are provided, the embodiment according to FIG. 2 each having a corresponding stop element AN in the corner regions of the almost square upper connection plate AO.
  • the stop element AN is provided with a closure element AB, which is arranged between the lower end of the stop element AN and the first intermediate plate ZW1.
  • the closure element AB is designed in the form of a lid.
  • the damping element is elastically deformable, so that it exerts a bias between the upper connection plate AO and the first and second intermediate plates ZW1 and ZW2, so that a small gap SL is formed in the region between the closure element AB and the upper side of the first intermediate plate ZW1 is present until the printing plates DP begin to compress a filler in the lower mold part FU. Accordingly, a resilient bias is achieved via the stop element AN and the damping element arranged therein.
  • Screw SV3 is provided which fixes the damping element in the interior of the stop element AN.
  • a limit BG can be seen in FIG. 4, which is fastened via a fourth screw connection SV4 from the underside of the second intermediate plate ZW2.
  • the boundary BG is intended to limit the distance between the upper terminal plate AO and the intermediate plates ZW1 and ZW2.
  • Both the stop elements AN and the boundaries BG are arranged symmetrically, so that a parallel arrangement, starting is reached from the upper terminal plate AO via the second intermediate plates ZW1 and ZW2, the lower terminal plate AU to the pressure plate DP. This prevents in the presence of a bias in the interior of the stop elements AN tilting of the intermediate plates ZW1 and ZW2 with respect to the upper connection plate AO.
  • the distance between the upper terminal plate AO and the intermediate plates ZW1 and ZW2 is determined by the dimensioning of the boundary BG ,
  • the minimum distance is given by the dimensions of the stop elements AN together with the end element AB, so that both before the start of compression at maximum distance between intermediate plates ZW1 and ZW2 and the upper terminal plate AO and when compressing the filler with a minimum distance a parallel orientation of the Pressure plate DP is given to the upper connection plate AO and thus to the stamp plate SP.
  • FIG. 5 the structure of Fig. 2 is shown again in a side view.
  • two sectional planes Vl-Vl and Vll-Vll are drawn in, which are explained in more detail in FIGS. 6 and 7, respectively.
  • Fig. 6 the structure along the sectional plane Vl-Vl is shown. It can be seen that the fixing of the pressure plate DP in the lower connection plate AU takes place by means of a first threaded rod GS1 and a first nut MU1, which together form the first screw connection SV1.
  • a further element WE can be arranged between the lower connection plate AU and the pressure plate DP.
  • Inside the stop elements AN arranged as a vibration metal damping element SM is arranged inside the stop elements AN arranged as a vibration metal damping element SM is arranged.
  • the end element AB is secured by means of a second threaded rod protruding from the stop element AN by means of a second nut MU2. strengthens, wherein the second threaded rod and the second nut form the second screw SV2.
  • a third threaded rod GS3 which is connected to the oscillating metal as damping element SM, may be arranged projecting beyond the second intermediate plate ZW2 such that it can be secured forming the third screw connection SV2 with a third nut MU3.
  • the boundary BG penetrates the first intermediate plate ZW1 and the second intermediate plate ZW2 and is secured, for example, by means of the screw connection SV4.
  • the gap SL is formed between the lower side of the closing element AB and the upper side of the first intermediate plate ZW1.
  • the vibration metal as a damping element SM ensures the appropriate bias.
  • Fig. 7 the attachment of the damping element SM in the interior of the stop element AN is shown again in more detail.
  • the upper side of the oscillating metal is fastened as a damping element SM via a thread GW arranged in the upper connection plate AO.
  • a transmission element UE can be provided which effects a force transmission of the contact surface formed by the first intermediate plate ZW1 onto the damping element SM in the region of an opening of the end element AB.
  • the boundary BG is provided on the underside of the second intermediate plate ZW2 with a circumferential collar, which defines the maximum distance between the upper terminal plate AO and first intermediate plate and second intermediate plate ZW1 and ZW2.
  • the damping element SM allows for contact of the printing plate DP with a concrete amount during the insertion of the printing plates DP in the lower mold part FU a vertical and / or horizontal mobility of the printing plates DP.
  • the gap provided adjacent to the end element AB SL is thereby reduced during the compression of the concrete amount, so that the vertical mobility is increasingly limited.
  • the gap SL is formed to be maximum in expansion by providing the damping member by means of a corresponding bias voltage. Accordingly, a restoring force is exerted by the damping element SM before the beginning of the compression of the concrete amount. This leads to a structure in which printing plates DP are mounted swinging.
  • the two-part structure of the intermediate plate ZW1 and ZW2 allows to easily assemble different components of the device according to the invention, so that corresponding items by means
  • Screw connections can be assembled successively.
  • the vibration metal arranged in the interior of the stop element AN can also be directly connected to the top side of the first intermediate plate ZW1.
  • the arrangement with closing element AB prevents fouling, in particular in the region of the gap SL, which increases the stability of the device according to the invention.
  • the fact that the gap is now facing away from the mold cavity FN on the other side of the intermediate plates ZW1 and ZW2, the risk of entry of concrete or the like is greatly reduced anyway.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

L'invention décrit un dispositif de fabrication de moules de béton qui comprend une partie inférieure (FU) de moule agencée de manière interchangeable dans une machine de moulage pourvue d'une ou de plusieurs cavités de moulage (FN) et une partie supérieure (FB) de moule pourvue d'une ou de plusieurs plaques de pression (DP) tournées vers les cavités de moulage (FN) qui peut être reliée au moyen d'un ou de plusieurs poinçons (ST) à au moins une plaque intermédiaire (ZW1, ZW2) et au moyen d'un ou de plusieurs éléments de frappe (AN) à une plaque de poinçonnage (SP), la partie supérieure (FB) de moule pouvant se déplacer par rapport à la partie inférieure (FU) de moule verticalement à la plaque de poinçonnage (SP) équipée de poinçons (ST) et reliée par ceux-ci à la plaque intermédiaire (ZW), les plaques de pression (DP) pouvant être déplacées en comprimant une substance de charge dans la partie inférieure (FU) de moule le long d'une fente (SL) agencée entre l'élément de frappe (AN) et la plaque intermédiaire (ZW1, ZW2) contre une force de rappel d'un élément d'amortissement (SM) déformable élastiquement jusqu'à un bord extérieur d'un élément de frappe (AN), l'élément de frappe (AN) étant réalisé sous forme creuse et l'élément d'amortissement (SM) étant agencé à l'intérieur de cet élément et l'élément d'amortissement (SM) étant précontraint avant le début de la compression d'une substance de charge.
PCT/EP2018/074381 2017-09-11 2018-09-11 Dispositif de fabrication de moules de béton WO2019048688A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017120942.5 2017-09-11
DE102017120942.5A DE102017120942A1 (de) 2017-09-11 2017-09-11 Vorrichtung zur Herstellung von Betonformteilen

Publications (1)

Publication Number Publication Date
WO2019048688A1 true WO2019048688A1 (fr) 2019-03-14

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PCT/EP2018/074381 WO2019048688A1 (fr) 2017-09-11 2018-09-11 Dispositif de fabrication de moules de béton

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DE (1) DE102017120942A1 (fr)
WO (1) WO2019048688A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1674226A2 (fr) 2004-12-23 2006-06-28 Rampf Formen GmbH Dispositif de moulage avec un moule et procédé pour la fabrication de blocs en béton
WO2011127928A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Dispositif et procédé de fabrication d'éléments moulés en béton et moule destiné à cet effet
DE102011054488A1 (de) * 2011-10-14 2013-04-18 Kobra Formen Gmbh Vorrichtung und Verfahren zur Herstellung von Betonformsteinen.
EP3000571A1 (fr) 2014-09-23 2016-03-30 KOBRA Formen GmbH Dispositif de fabrication d'elements de formage en beton
DE102017102323A1 (de) * 2017-02-07 2018-08-09 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19537077A1 (de) * 1995-10-05 1997-04-10 Rampf Formen Gmbh Mehrkammerform und Verfahren zur maschinellen Herstellung von Betonformteilen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1674226A2 (fr) 2004-12-23 2006-06-28 Rampf Formen GmbH Dispositif de moulage avec un moule et procédé pour la fabrication de blocs en béton
WO2011127928A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Dispositif et procédé de fabrication d'éléments moulés en béton et moule destiné à cet effet
DE102011054488A1 (de) * 2011-10-14 2013-04-18 Kobra Formen Gmbh Vorrichtung und Verfahren zur Herstellung von Betonformsteinen.
EP3000571A1 (fr) 2014-09-23 2016-03-30 KOBRA Formen GmbH Dispositif de fabrication d'elements de formage en beton
DE102017102323A1 (de) * 2017-02-07 2018-08-09 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen

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