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EP4076881B1 - Dispositif pour la fabrication de blocs de béton - Google Patents

Dispositif pour la fabrication de blocs de béton Download PDF

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Publication number
EP4076881B1
EP4076881B1 EP20833762.6A EP20833762A EP4076881B1 EP 4076881 B1 EP4076881 B1 EP 4076881B1 EP 20833762 A EP20833762 A EP 20833762A EP 4076881 B1 EP4076881 B1 EP 4076881B1
Authority
EP
European Patent Office
Prior art keywords
guide
mold part
lower mold
loading means
guide element
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.)
Active
Application number
EP20833762.6A
Other languages
German (de)
English (en)
Other versions
EP4076881C0 (fr
EP4076881A1 (fr
Inventor
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
Publication of EP4076881A1 publication Critical patent/EP4076881A1/fr
Application granted granted Critical
Publication of EP4076881C0 publication Critical patent/EP4076881C0/fr
Publication of EP4076881B1 publication Critical patent/EP4076881B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • 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
    • B28B3/028—Centering the press head, e.g. using guiding pins or chamfered mould edges
    • 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
    • B28B3/083—The juxtaposed rams working in the same direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/022—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space whereby the material is subjected to vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides
    • B30B15/041—Guides

Definitions

  • the invention relates to a device for producing concrete blocks.
  • the ram unit is typically hydraulically operated and can be moved vertically within the molding machine using the load-bearing unit.
  • the load-bearing unit usually forms a single mold upper section with the ram unit, which is positioned above the mold lower section and can be connected to a hydraulic press from the opposite side.
  • a uniform block height can be achieved even with varying degrees of compaction of the concrete mix, with stops typically provided on the ram unit.
  • the DE 36 38 207 A1 It is known that with such molds, if the upper mold part is not adequately aligned with the lower mold part, there is a risk of the pressure ram colliding with the upper side of the lower mold part. This occurs particularly when the upper mold part is guided into the lower mold part of the molding machine in order to form and compact the concrete molded part to be produced. According to solutions known from the prior art, attempts have been made to circumvent this by precisely aligning the upper mold part with the lower mold part and by providing corresponding inlet slopes on the mold cavities to facilitate the insertion of the pressure plates.
  • a block molding machine in which a block mold is mounted on guide columns.
  • the block mold consists of a lower mold section and an upper mold section, which, depending on the working section, can be either permanently connected to one another or displaced relative to one another. This allows for easy further processing, particularly through a pull-off mechanism that separates the lower and upper mold sections.
  • a stone mold for producing concrete blocks which comprises an upper mold part with at least one punch with a pressure piece and a lower mold part with at least one mold cavity for use in a stone molding machine, wherein the lower mold part is movable up and down in a stone molding machine.
  • the lower mold part can be placed on a mold base of the stone molding machine and the upper mold part is Can be coupled to an up-and-down movable machine mount of the block making machine.
  • a filling box of the block making machine can be moved over the lower mold section, and the upper mold section and/or the lower mold section has clearance relative to a machine frame of the block making machine.
  • a centering device is provided for aligning the lower and upper mold sections in an xy plane. This ensures precise centering of the two mold parts relative to one another, with a conical section on the centering device slowly releasing the centering of the mold parts after the pressure piece has been immersed in the mold cavity.
  • a device for producing concrete molded parts in a molding machine which comprises an upper mold part with at least one pressure stamp for transmitting a force to at least one pressure plate, wherein the pressure plate can be inserted in the vertical direction into an opening of a mold cavity in a lower mold part, wherein the lower mold part is surrounded by a frame which has a guide means connected to the upper mold part, which is designed such that the lower mold part can be tilted against the upper mold part from the vertical direction during the engagement of the pressure plates in the openings of the mold cavity.
  • the DE 10 2008 017 964 A1 shows a plant for producing shaped blocks with a centering device according to the preamble of claim 1.
  • the plant has at least one approximately horizontal floating plane in which the stamp plate and/or the mold cavity can be displaced relative to a machine frame of the plant, the displacement being controllable by the centering device.
  • the DE 10 2004 004 188 A1 shows a concrete block production facility in which an interchangeable support plate is provided for holding the blocks to be produced.
  • a mold base with mold cavities whose cross-sections correspond to the cross-sections of the blocks to be produced, can be placed on the support platen, and an upper mold part with pressure pieces adapted to the cross-sections of the mold cavities on punch tubes for inserting the pressure pieces into the mold cavities within the production facility is movably mounted.
  • the mold cavities are closed from below by the support platen.
  • the support platen and the lower mold part are each connected in a vibration-transmitting manner to a vibrator device that generates vertical vibrations.
  • Complementary and communicating guide elements for relative movements between these two components are provided on the one hand on the upper mold part and on the other hand on the lower mold part outside the pressure pieces and associated mold cavities.
  • the object of the invention is to provide a device for producing concrete molded parts in which the centering between the upper mold part and the lower mold part is further improved, whereby in particular all phases of the production process are to be taken into account.
  • an upper guide element is arranged on the loading device and a lower guide element is arranged on the holder, which guide the upper mold part with the pressure stamps and the lower mold part with the recesses and, in addition to the existing guide on the guide columns, ensure constant guidance of the pressure stamps relative to the lower mold part.
  • the loading device is guided relative to the lower mold part in a plane perpendicular to the insertion direction continuously during the production of concrete blocks.
  • the upper and lower guide elements can be pushed apart from each other in the axial direction so far that they are no longer in engagement, so that, for example, during modification or maintenance, they are no longer guided towards each other.
  • the solution according to the invention now creates a type of self-guided device in a block production machine, in which guidance via the upper guide element and the lower guide element can be ensured, for example during filling with a filling carriage.
  • the pressure plates and the recesses in the lower mold section now only have a shaping property for the desired block product, so that they no longer need to be provided with any additional guiding function.
  • the loading device is connected to the guide columns via a bear plate, wherein the pressure stamps are connected via a stamp plate which is connected to the loading device via an intermediate plate, wherein the intermediate plate has laterally projecting sections on which the upper guide device is arranged.
  • ballast device In addition to the weight of the ballast device, it is connected via a ram plate, for example, to a hydraulic press, whereby the combination of ballast device and ram plate is connected to the guide columns in the usual way.
  • the pressure stamps are not directly connected to the ballast device on the side facing away from the recesses, but are typically screwed to an intermediate plate that has laterally projecting sections, thus creating a connection point for the upper guide device outside the stone field. This creates a compact structure in which the guidance is achieved via the upper guide device on the ballast device, without changing the construction. a device according to the invention becomes complicated.
  • the device according to the invention allows for wear parts such as the pressure plates or the upper guide device to be easily replaced when they become worn, while the pressure stamps or the base load can continue to be used as reusable parts in the area of the upper mold part, even when replaced or worn.
  • guidance between the lower mold part and the upper mold part is achieved at several guide positions, so that more precise guidance and centering of the two components relative to one another can be ensured.
  • it is provided to provide two guide positions on opposite sides of the lower mold part or the loading device with corresponding guide positions, which are advantageously arranged diagonally opposite one another in order to further improve guidance between the upper mold part and the lower mold part.
  • four guide positions can also be provided, which are advantageously arranged in the area of the corner of the frame or the loading device.
  • a double or quadruple design of the guide positions allows for precise guidance by means of the upper and lower guide elements.
  • the upper guide element and the lower guide element have a plurality of centering bolts engaging in centering bushings.
  • the guidance between the upper and lower parts of the mould is achieved by means of centring bolts and centring bushes, which, for example, have a round cross-section can be selected to ensure constant concentric guidance of the upper mold part relative to the lower mold part.
  • centring bolts and centring bushes which, for example, have a round cross-section can be selected to ensure constant concentric guidance of the upper mold part relative to the lower mold part.
  • the guide bushings and/or the guide pins are replaceable, since as moving parts they are subject to wear and may have to be replaced once or several times while the device according to the invention is in use.
  • the device is designed in such a way that its components are interchangeable, allowing easy adjustment in the event of wear or a change in the stone shape.
  • FIG. 1 A first embodiment of a device 2 according to the invention is explained in detail below.
  • the device 2 is shown in a perspective side view and has conventional Have a vibrating table 4, on the top of which is a production board 6.
  • a lower mold part 8 is arranged on the production board 6, which has an exchangeable insert 10 with recesses 12 that are surrounded by a frame 14, wherein the insert 10 is exchangeable in the frame 14.
  • the frame 14 has holding struts 16, which create a connection between the frame 14 and a respective receptacle 18.
  • the holding struts 16 can also be part of the receptacles 18.
  • the two receptacles 18 are arranged on four guide columns 20, which are arranged in the area of the corners of the lower mold part 8 in the usual way and surround the area outside the vibrating table 4.
  • the upper mold part 22 Opposite the recesses 12 is the upper mold part 22, which has several pressure plates 24, the dimensions of which approximately correspond to the recesses 12.
  • the pressure plates 24 are connected via pressure stamps 26 to a loading device 28, which in turn is connected on the side facing away from the upper mold part to a bear plate 30, which is guided on the guide columns 20 and can be actuated via a stamp 32 with a hydraulic press.
  • a holding plate 34 is mounted, which has sections 36 projecting laterally beyond the loading device 28, which on their underside facing the lower mold part 8 each have a guide pin 38 which can engage in a corresponding guide bushing 40 on the holding struts 16, wherein the device 2 according to Figure 1 at each corner of the upper mold part 22 corresponding guide pins 38 and at each corner of the lower mold part 8 corresponding guide bushes 40, so that the upper mold part 22 is guided with respect to the lower mold part 8 via the combination of guide pins 38 and guide bush 40.
  • the device 2 according to the invention thus creates a combination of upper mold part 22 and lower mold part 8, in which guidance is provided not only by the guide columns 20 but also by the guide devices formed by the guide pins 38 and guide bushings 40.
  • the pressure plates 24 together with the insert 10 no longer perform any guiding function, since they are only required to compress the concrete mixture located in the recesses 12, and when the upper mold part 22 moves toward the lower mold part 8, no contact can occur between the two moving parts.
  • the device 2 is made of Figure 1 shown again in a first side view. It can be seen that the guide pins 38 forming the upper guide device are arranged outside the area of the stone field on the laterally projecting sections 36, so that they can engage past the production board 6 and the vibrating table 4 into the corresponding bushing on the holding strut 16, without restricting the movement of the upper mold part 22 relative to the lower mold part 8 except for the guide in a plane perpendicular to the insertion direction 42.
  • Figure 3 the device is made of Figure 1 shown again in a second side view from the narrower side of the upper mold part 22. It can be seen that the guide pins 38 are arranged in the area of the corners of the upper mold part 22, so that a total of four guide pins 38 can be used as a guide aid. These are advantageously arranged in the area of the corners of the upper mold part 22, although a design with only one guide pin 38 on each short side of the upper mold part 22 would also be possible.
  • the position of the guide bushings 40 in the support strut 16 is shown in more detail. It can be seen that the guide bushings 40 are mechanically connected to the frame 14 via the support struts 16 and the receptacles 18, so that the guide pins 38 can be inserted accordingly.
  • the receptacles 18, in turn, are firmly connected to the guide columns 20.
  • the combination of guide pin 38 and guide bushing 40 is in Figure 4 with round cross-sections, which represent the preferred embodiments. In other embodiments, however, it may also be conceivable to use a different shape of the cross-sectional surfaces, so that, for example, elliptical, hexagonal or square bolts or bushings can also be used.
  • the guide bolt 38 is in Figure 4 shown in the form of a cylinder. This can also have a slightly conical shape with respect to its outer surfaces.
  • Figure 6A is again the view from Figure 5A shown, where an auxiliary line is drawn that shows the Figure 6B illustrated sectional plane A - A'.
  • the device 2 is modular in design, so that quickly wearing parts, such as the guide pins 38, the guide bushings 40, the pressure plates 24, or also the inserts 10 can be changed quickly, so that a quick replacement is possible both when adapting the device 2 to changed stone shapes and when individual components of the device 2 wear out.

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

Claims (10)

  1. Dispositif pour la fabrication de blocs en béton, dans lequel une partie inférieure de moule (8) est insérée dans un cadre (14) qui est fixé, par l'intermédiaire d'entretoises de retenue (16), à des logements (18) de plusieurs colonnes de guidage (20) qui sont orientées suivant une direction d'insertion (42) et qui présentent, au-dessus de la partie inférieure de moule (8), une unité d'application de charge (28) mobile le long des colonnes de guidage (20), laquelle unité d'application de charge présente, sur son côté tourné vers la partie inférieure de moule (8), une partie supérieure du moule (22) dans laquelle une ou plusieurs plaques de pression (24) peuvent être introduites ou sont introduites dans un ou plusieurs évidements (12) de la partie inférieure de moule (8), l'unité d'application de charge (28) étant reliée aux plaques de pression (24) par l'intermédiaire de poinçons de pression (26), un élément de guidage supérieur (38) étant disposé entre l'unité d'application de charge (28) et les poinçons de pression (26),
    caractérisé en ce que
    l'élément de guidage supérieur (38) coopère avec un élément de guidage inférieur (40) disposé sur l'entretoise de retenue (16) de telle sorte que, lors de la fabrication de blocs de béton, laquelle fabrication comprend le remplissage de la partie inférieure de moule (8), la compression et le démoulage, l'unité d'application de charge (28) est guidée en permanence par rapport à la partie inférieure de moule (8) dans un plan perpendiculaire à la direction d'insertion (42),
    l'élément de guidage supérieur et l'élément de guidage inférieur (38, 40) étant en prise, et l'élément de guidage supérieur (38) coopérant avec l'élément de guidage inférieur (40) de telle sorte que, lorsque la partie inférieure de moule (8) est libérée, il est possible de procéder à un remplissage de la partie inférieure de moule (8) avec un mélange de béton,
    l'élément de guidage supérieur (38) présentant plusieurs boulons de guidage est déjà en prise avec l'élément de guidage inférieur (40) présentant plusieurs douilles de guidage et, lors de la fabrication de blocs de béton, l'unité d'application de charge (28) reste guidée en permanence par rapport à la partie inférieure de moule (8).
  2. Dispositif selon la revendication 1, dans lequel l'unité d'application de charge (28) est reliée aux colonnes de guidage (20) par l'intermédiaire d'une plaque d'appui (30), une plaque de retenue (34) étant disposée entre le poinçon de pression (26) et l'unité d'application de charge (28), laquelle plaque de retenue présente des sections (36) dépassant latéralement de la cavité, sections sur lesquelles est fixée l'unité de guidage supérieure (38).
  3. Dispositif selon la revendication 1 ou 2, dans lequel l'unité de guidage supérieure (38) et l'unité de guidage inférieure (40) présentent plusieurs positions de guidage dans la zone du cadre (14) et latéralement par rapport à l'unité d'application de charge (28).
  4. Dispositif selon la revendication 3, dans lequel il est prévu deux positions de guidage disposées sur des côtés opposés de la partie inférieure de moule (8) ou de l'unité d'application de charge (28), les deux positions de guidage étant avantageusement disposées de manière opposée en diagonale.
  5. Dispositif selon la revendication 4, dans lequel il est prévu quatre positions de guidage qui sont avantageusement disposées dans la zone des coins du cadre (14) ou de l'unité d'application de charge (28).
  6. Dispositif selon l'une des revendications 1 à 5, dans lequel l'élément de guidage supérieur (38) et l'élément de guidage inférieur (40) présentent plusieurs boulons de centrage, en tant que boulons de guidage, venant en prise avec des douilles de centrage, en tant que douilles de guidage.
  7. Dispositif selon la revendication 6, dans lequel les douilles de guidage (40) et/ou les boulons de guidage (38) sont interchangeables.
  8. Dispositif selon l'une des revendications 1 à 7, dans lequel la partie inférieure de moule (8) est disposée sur une table vibrante (4) par l'intermédiaire d'une planche de fabrication (6), le cadre (14) de la partie inférieure de moule (8) définissant la hauteur de moule.
  9. Dispositif selon la revendication 8, dans lequel la partie inférieure de moule (8) présente un insert (10) interchangeable.
  10. Dispositif selon l'une des revendications 1 à 9, dont les composants sont interchangeables de manière à permettre une adaptation en cas d'usure ou de changement de forme de bloc.
EP20833762.6A 2019-12-20 2020-12-15 Dispositif pour la fabrication de blocs de béton Active EP4076881B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019135427.7A DE102019135427A1 (de) 2019-12-20 2019-12-20 Vorrichtung zur Herstellung von Betonsteinen
PCT/EP2020/086138 WO2021122541A1 (fr) 2019-12-20 2020-12-15 Dispositif pour la fabrication de blocs de béton

Publications (3)

Publication Number Publication Date
EP4076881A1 EP4076881A1 (fr) 2022-10-26
EP4076881C0 EP4076881C0 (fr) 2025-05-21
EP4076881B1 true EP4076881B1 (fr) 2025-05-21

Family

ID=74105997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20833762.6A Active EP4076881B1 (fr) 2019-12-20 2020-12-15 Dispositif pour la fabrication de blocs de béton

Country Status (6)

Country Link
US (1) US12134208B2 (fr)
EP (1) EP4076881B1 (fr)
CA (1) CA3165391A1 (fr)
DE (1) DE102019135427A1 (fr)
PL (1) PL4076881T3 (fr)
WO (1) WO2021122541A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114055602B (zh) * 2021-11-10 2023-05-30 安庆惠嘉新型建材有限公司 一种红砖压铸用辅助装置
CN115338954B (zh) * 2022-09-19 2024-02-06 福建航融建材科技有限公司 一种混凝土空心砌块生产成型加工设备及成型加工方法
CN118493565B (zh) * 2023-05-10 2024-11-22 南通职业大学 用于掺玄武岩纤维的透水混凝土复合型成型设备
CN118081943B (zh) * 2024-04-19 2024-07-09 湘潭大学 一种多型腔黏土生胚匀力压制脱模装置

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Publication number Priority date Publication date Assignee Title
US3782166A (en) * 1972-06-09 1974-01-01 L Whistler Die set assembly and magnet means for releasably attaching dies therein
DE3638207A1 (de) * 1986-11-08 1988-05-11 Netter Gmbh Verfahren zur herstellung von betonfomsteinen und vorrichtung zur durchfuehrung des verfahrens
DE19924926C1 (de) * 1999-05-31 2000-04-13 Hubaleck Gmbh U Co Kg Steinformmaschine mit Steinform für Mauerwerksteine
DE102004004188A1 (de) * 2004-01-28 2005-10-06 Manfred Lebherz Beton-Formstein-Fertigungseinrichtung
DE102005048930B4 (de) * 2004-11-12 2021-04-01 Rampf Formen Gmbh Form zur Herstellung von Betonsteinen und Steinformmaschine mit Form
US7575700B2 (en) * 2005-03-01 2009-08-18 Pampf Molds Industries, Inc. Apparatus and method for a mold alignment system
DE102005017670A1 (de) * 2005-04-16 2006-10-19 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformsteinen und Formensystem zur Verwendung in einer solchen Vorrichtung
DE102008017964A1 (de) * 2008-04-08 2009-10-15 Rampf Formen Gmbh Anlage zur Herstellung von Formsteinen
DE102015103829A1 (de) * 2015-03-16 2016-09-22 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen in einer Formmaschine

Also Published As

Publication number Publication date
US20230019683A1 (en) 2023-01-19
US12134208B2 (en) 2024-11-05
EP4076881C0 (fr) 2025-05-21
DE102019135427A1 (de) 2021-06-24
PL4076881T3 (pl) 2025-08-04
CA3165391A1 (fr) 2021-06-24
EP4076881A1 (fr) 2022-10-26
WO2021122541A1 (fr) 2021-06-24

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