EP1005967A1 - Procédé et dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés - Google Patents

Procédé et dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés Download PDF

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Publication number
EP1005967A1
EP1005967A1 EP98204045A EP98204045A EP1005967A1 EP 1005967 A1 EP1005967 A1 EP 1005967A1 EP 98204045 A EP98204045 A EP 98204045A EP 98204045 A EP98204045 A EP 98204045A EP 1005967 A1 EP1005967 A1 EP 1005967A1
Authority
EP
European Patent Office
Prior art keywords
chamber
mould
plant
layers
tile
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.)
Withdrawn
Application number
EP98204045A
Other languages
German (de)
English (en)
Inventor
Mario Ceramiche Dual S.R.L. Belloni
Valter Ceramiche Dual S.R.L. Giovannini
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.)
CERAMICHE PROVENZA Srl
Original Assignee
CERAMICHE PROVENZA Srl
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 CERAMICHE PROVENZA Srl filed Critical CERAMICHE PROVENZA Srl
Priority to EP98204045A priority Critical patent/EP1005967A1/fr
Publication of EP1005967A1 publication Critical patent/EP1005967A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B30B11/025—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 transferred into the press chamber by relative movement between a ram and the press chamber
    • 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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
    • 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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
    • B28B13/022—Feeding several successive layers, optionally of different materials
    • 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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
    • B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
    • B28B13/0245—Rotatable feed frames, e.g. horizontally rotated over 90 degrees

Definitions

  • This invention relates to loading processes for the moulds of ceramic presses, and their implementation means.
  • the known tile manufacturing technology and in particular that relative to porcellainized stone tiles, involves the formation of a soft material mass within the loading compartment of a press mould loading carriage.
  • Said loading carriage is driven by known means in such a manner as to position the compartment alternately above the mould cavity of the press to discharge into it the soft mass to be compacted, and below a hopper which allows the material to fall into the compartment.
  • this soft mass consists of a number of superposed layers of material of different characteristics, for example different colours, with the lower layers partly emerging at the upper layer, to create tiles in which veining similar to that present in natural marble appears on their treadable (visible) surface.
  • the known method does not however enable tiles resembling marble slabs cut from a marble block to be produced, in which the same vein is visible on both the upper side and lower side of the tile.
  • An object of the invention is to provide a process for loading a ceramic mould with a number of differently coloured powders, such that in the mould a mass is formed comprising portions of a different colour partially mixed with the adjacent portions and emerging on both sides of the tile so that, when compressed, a body is obtained showing on its surfaces veining which reproduces that of marble and extends throughout its entire thickness.
  • a further object of the invention is to provide a plant for implementing said process.
  • the soft mass which is to form the tile is prepared within a parallelepiped chamber with its major walls positioned vertically, and into which superposed layers of powders of different characteristics are poured in succession by suitable means.
  • Said chamber can be either the mould forming cavity or a prechamber able to pour the layered powders into the mould forming cavity.
  • the process comprises the following operations:
  • the process comprises the following operations:
  • the invention also comprises the plant for implementing the process.
  • Figure 1 shows four identical hoppers 1, 2, 3, 4, each of which contains a different type of powder material to be compacted, and comprises a usual closure device 400.
  • a belt 5 for collecting the individual powder layers discharged by said hoppers this being positioned about two rollers 400 and driven by means of known type:
  • a cross-shaped member 9 provided with four equal transverse arms 10, the purpose of which is described hereinafter.
  • Said cross-shaped member 9 is supported by the carriage 11 which moves it between two positions, of which that shown in Figure 1 is the retracted position.
  • the cross-shaped member 9 can undergo 90° clockwise rotations about its central axis driven, via known means, by an electric motor 12 provided with suitable control means and fixed to the bottom of the carriage 11.
  • the carriage 11 is supported by a structure 13 and is arranged to translate horizontally by being moved on suitable guide wheels 14 under the drive of a geared motor 15 via a chain 16, the ends of which are fixed to the carriage 11 and which engages a sprocket wheel 17 mounted on the shaft of the geared motor 15.
  • transverse arms 10 of the cross-shaped member 9 are shown in Figure 2, in which it can be seen that each of them consists of a sheet metal box structure 18 provided with a transverse dividing wall 19 which together with the box structure 18, the slidable wall 20 and the wall 21 of the closure device 22 defines the chamber 23 for containing the material to be compacted.
  • the closure device 22, of sheet metal construction, is hinged by known means to the side walls of the chamber 23 and is opened and closed by a usual pneumatic unit 24.
  • the means for horizontally moving the slidable wall 20 comprising a usual cylinder-piston unit 20, the rod of which is connected to the sheet metal 20 by an appendix and the body of which is hinged to the structure 18.
  • the slidable wall 20 moves on guide wheels 26 of known type between an advanced position shown in Figure 2, and a withdrawn position in which its front edge lies behind the dividing wall 19.
  • All the plant motorization and mover means are under the control of a processor executing a program controlling the following method of operation.
  • the hoppers 1, 2, 3, 4 each discharge a layer of powder material onto the underlying collection belt 5, which has the same width as the mouths of the hoppers 1, 2, 3, 4.
  • the collection belt 5 conveys the material to the device 6 for irregularizing its distribution, after which it discharges it into the small hopper 7.
  • the plant control processor opens both the closure device 22 for the chamber 23 and the closure device 700 of the hopper 7, so that superposed layers of powder of different characteristics having substantially the same distribution as in the hopper 7 are deposited in the chamber 23, until the chamber has been completely filled.
  • the processor closes the closure devices 22 and 77 and rotates the cross-shaped member clockwise through 90° so that the major walls of the chamber 23 lie horizontal.
  • the slidable metal sheet 20 is withdrawn by the operation of the cylinder-piston unit 25, and the material to be compacted becomes deposited in the forming cavity 28 of the press 27 without undergoing horizontal shifting.
  • the tile is then formed in the usual manner.
  • Figure 3 Figure 4, Figure 5A, Figure 5B and Figure 5C show a second embodiment of the device of the invention.
  • Said figures show a usual horizontal press 29 provided with a movable die plate and two dies, of which one 31 is fixed and one 32 is movable.
  • the die plate 30 has a central hole 300 of the same section as the dies 31 and 32, and can be moved horizontally during the press operation, driven by known means.
  • the die plate 30 and the dies 31 and 32 form the mould forming chamber 33.
  • Figure 5A shows the relative positions of said elements during the loading of the powder into the chamber 33.
  • the die plate 30 is provided with a full-width feed channel 34 for the powders to be compacted.
  • the hopper 35 is positioned at the end of a powder feed chain such as that shown in Figure 1, above it there being positioned a hopper 7 with relative closure means 700 such as that of Figure 1.
  • stage A in which the movable die 32 is positioned at a distance of about 20 mm from the fixed die 31, and the die plate 30 is positioned such that the feed channel 34 is positioned to correspond with the lower mouth of the hopper 35, horizontal layers of powders are deposited in the chamber 33 substantially in the same order as contained in the hopper 7, the small hopper 35 acting substantially as a funnel.
  • the die plate 30 When the chamber 33 has been filled with the required quantity of material, the die plate 30 is positioned as shown in Figure 5B, the forming cavity is closed and the material is pressed.
  • the die plate 30 On termination of this operation the die plate 30 is positioned as shown in Figure 5C and the formed tile falls onto the roller conveyor 37 of the truck 36, which leads it to the subsequent processing stages.
  • the invention also enables a tile to be formed which, besides comprising full-thickness veining, ie emerging both on the upper surface and on the lower surface, is also layered in a direction parallel to its major sides.
  • a tile can be formed in which the exposed face has a better appearance than the rear or is constructed of a more wear-resistant material.
  • a tile can also be constructed composed of at least two layers, one of which is formed of high-quality material and the other, forming the rear, is formed of more economical material.
  • a movable metal plate 38 is used, driven by known means, its purpose being to divide the chamber 33 internally into two chambers 39 and 40.
  • the tile base material is fed into the chamber 40 by means of the hopper 41, whereas a succession of irregular layers of powder are discharged into the chamber 39 by the hopper 42 until said chamber 39 is full, as shown in Figure 6A.
  • the movable metal plate 38 is then extracted from the chamber 33 ( Figure 6B) and the die plate 30 is positioned in such a manner as to upperly close the chamber 33 in order to be able to compact the powder mixture (see Figure 6C).
  • the die plate 30 On termination of pressing, the die plate 30 is moved into the extraction or rest position shown in Figure 6D, with the result that the formed tile falls onto a roller conveyor identical to the conveyor 37 shown in Figure 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
EP98204045A 1998-11-30 1998-11-30 Procédé et dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés Withdrawn EP1005967A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98204045A EP1005967A1 (fr) 1998-11-30 1998-11-30 Procédé et dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98204045A EP1005967A1 (fr) 1998-11-30 1998-11-30 Procédé et dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés

Publications (1)

Publication Number Publication Date
EP1005967A1 true EP1005967A1 (fr) 2000-06-07

Family

ID=8234411

Family Applications (1)

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EP98204045A Withdrawn EP1005967A1 (fr) 1998-11-30 1998-11-30 Procédé et dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés

Country Status (1)

Country Link
EP (1) EP1005967A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270160A1 (fr) * 2001-06-26 2003-01-02 Kestro International Limited Méthode et dispositif pour la manufacture d'objets en céramique décorée en forme de plaque
EP1334811A2 (fr) * 2002-02-07 2003-08-13 System S.p.A. Procédé et dispositif pour la décoration des carreaux ou dalles en céramique
WO2006134179A2 (fr) * 2005-06-15 2006-12-21 Cosentino, S.A. Procede de fabrication de panneaux en pierre artificielle et en resine polymerisable a effet veine obtenus au moyen d'un systeme de vibrocompression sous vide
CN110712280A (zh) * 2018-10-30 2020-01-21 广东博晖机电有限公司 一种具有丰富纹理图案的陶瓷砖布料系统
CN110978226A (zh) * 2019-11-01 2020-04-10 郑素青 一种滴水型琉璃瓦毛坯件制造装置
US10981293B2 (en) 2015-01-30 2021-04-20 Cambria Company Llc Processed slabs, and systems and methods related thereto
US10981346B2 (en) 2014-08-19 2021-04-20 Cambria Company Llc Processed slabs, and systems and methods related thereto
US12030260B1 (en) 2020-01-02 2024-07-09 Cambria Company Llc Stone slabs, systems, and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE41033C (de) * J. C. ANDERSON in Highland Park, Lake County, Illinois, V. St. A Maschine zum Herstellen von Ziegeln u. dergl
GB2012658A (en) * 1978-01-12 1979-08-01 Bettonica L Hydraulic press
US4719070A (en) * 1984-07-10 1988-01-12 Hutschenreuther Ag Process and molding press for producing flat moldings
JPH08244024A (ja) * 1995-03-09 1996-09-24 Inax Corp 地層模様タイルの坏土の充填方法
WO1998023424A2 (fr) * 1996-11-22 1998-06-04 Carlo Antonio Camorani Fabrication de matieres pulverulentes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE41033C (de) * J. C. ANDERSON in Highland Park, Lake County, Illinois, V. St. A Maschine zum Herstellen von Ziegeln u. dergl
GB2012658A (en) * 1978-01-12 1979-08-01 Bettonica L Hydraulic press
US4719070A (en) * 1984-07-10 1988-01-12 Hutschenreuther Ag Process and molding press for producing flat moldings
JPH08244024A (ja) * 1995-03-09 1996-09-24 Inax Corp 地層模様タイルの坏土の充填方法
WO1998023424A2 (fr) * 1996-11-22 1998-06-04 Carlo Antonio Camorani Fabrication de matieres pulverulentes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 097, no. 001 31 January 1997 (1997-01-31) *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270160A1 (fr) * 2001-06-26 2003-01-02 Kestro International Limited Méthode et dispositif pour la manufacture d'objets en céramique décorée en forme de plaque
EP1334811A2 (fr) * 2002-02-07 2003-08-13 System S.p.A. Procédé et dispositif pour la décoration des carreaux ou dalles en céramique
EP1334811A3 (fr) * 2002-02-07 2005-04-20 System S.p.A. Procédé et dispositif pour la décoration des carreaux ou dalles en céramique
WO2006134179A2 (fr) * 2005-06-15 2006-12-21 Cosentino, S.A. Procede de fabrication de panneaux en pierre artificielle et en resine polymerisable a effet veine obtenus au moyen d'un systeme de vibrocompression sous vide
WO2006134179A3 (fr) * 2005-06-15 2007-09-20 Cosentino Sa Procede de fabrication de panneaux en pierre artificielle et en resine polymerisable a effet veine obtenus au moyen d'un systeme de vibrocompression sous vide
US7815827B2 (en) 2005-06-15 2010-10-19 Cosentino, S.A. Method of producing slabs of artificial stone and polymerisable resin having a veined effect by means of vibro-compression under vacuum
US10981346B2 (en) 2014-08-19 2021-04-20 Cambria Company Llc Processed slabs, and systems and methods related thereto
US11498298B2 (en) 2014-08-19 2022-11-15 Cambria Company Llc Synthetic molded slabs, and systems and methods related thereto
US11845235B2 (en) 2014-08-19 2023-12-19 Cambria Company Llc Synthetic molded slabs, and systems and methods related thereto
US10981293B2 (en) 2015-01-30 2021-04-20 Cambria Company Llc Processed slabs, and systems and methods related thereto
US11529752B2 (en) 2015-01-30 2022-12-20 Cambria Company Llc Processed slabs, and systems and methods related thereto
US11845198B2 (en) 2015-01-30 2023-12-19 Cambria Company Llc Processed slabs, and systems and methods related thereto
CN110712280A (zh) * 2018-10-30 2020-01-21 广东博晖机电有限公司 一种具有丰富纹理图案的陶瓷砖布料系统
CN110978226A (zh) * 2019-11-01 2020-04-10 郑素青 一种滴水型琉璃瓦毛坯件制造装置
US12030260B1 (en) 2020-01-02 2024-07-09 Cambria Company Llc Stone slabs, systems, and methods

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