EP0941826A2 - Verfahren zur Herstellung einer dekorierten Fliese , entsprechende Vorrichtung zum Füllen der Pressformhohlräume und so hergestellte Fliese - Google Patents

Verfahren zur Herstellung einer dekorierten Fliese , entsprechende Vorrichtung zum Füllen der Pressformhohlräume und so hergestellte Fliese Download PDF

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Publication number
EP0941826A2
EP0941826A2 EP99200534A EP99200534A EP0941826A2 EP 0941826 A2 EP0941826 A2 EP 0941826A2 EP 99200534 A EP99200534 A EP 99200534A EP 99200534 A EP99200534 A EP 99200534A EP 0941826 A2 EP0941826 A2 EP 0941826A2
Authority
EP
European Patent Office
Prior art keywords
hopper
carriage
loading
micro
dispensers
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.)
Granted
Application number
EP99200534A
Other languages
English (en)
French (fr)
Other versions
EP0941826B1 (de
EP0941826A3 (de
Inventor
Ivanno L.B. Officine Meccaniche S.p.A. Ligabue
Ermes L.B. Officine Meccaniche S.p.A. Bigi
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.)
L B Officine Meccaniche SpA
Original Assignee
L B Officine Meccaniche SpA
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Filing date
Publication date
Application filed by L B Officine Meccaniche SpA filed Critical L B Officine Meccaniche SpA
Publication of EP0941826A2 publication Critical patent/EP0941826A2/de
Publication of EP0941826A3 publication Critical patent/EP0941826A3/de
Application granted granted Critical
Publication of EP0941826B1 publication Critical patent/EP0941826B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B28B13/027—Feeding the moulding material in measured quantities from a container or silo by using a removable belt or conveyor transferring the moulding material to the moulding cavities

Definitions

  • This invention relates to loading devices for the moulds of tile forming presses.
  • the object of this patent is to provide a loading system for the forming press mould which enables a tile to be formed, the visible surface of which presents variously distributed side-by-side or partially superposed single or multi-colour veining or spots.
  • the patent also provides the method for manufacturing the tile, and the tile itself.
  • multi-colour effects are obtained on the tile surface by feeding the forming mould with coloured powders variously mixed together, to give rise to a so-called bulk-coloured tile, ie having the variously coloured veining distributed throughout its entire thickness and emerging on the visible surface of the tile.
  • the object of this patent is precisely to provide a manufacturing method and a mould cavity loading device which enable the appearance of the upper surface of each tile to be programmed at the moment of its formation in the mould.
  • a further object is to be able to modify the programming in real time between one press stroke and the next.
  • the invention also attains said object by a feed device for the moulds of the tile forming press, comprising a usual loading carriage which under the action of known means can traverse between a material loading position and at least one material discharge position in correspondence with said mould cavity. More specifically, said carriage comprises a number of clay loading compartments equal to the number of press mould cavities, and having the same dimensions as the cavities. Said loading cavities are fed with clay by known means.
  • a first hopper having the same dimensions as the mould cavity and arranged to distribute within the cavity small quantities of pigments, or atomized clay coloured with high concentrations of pigments, which determine the appearance of the visible treading surface of the tile.
  • Said pigments are fed into said first hopper by dispenser means which allow their precise and programmed distribution in the form of separate masses intended to partially mix one with another.
  • the pigment feed means comprise a series of micro-dispensers either aligned one adjacent to another or grouped into a group above a second hopper having the same transverse dimension as the underlying first hopper, which is rigid with the carriage.
  • Said micro-dispensers are slidable as a group above the second hopper with a programmed to-and-fro movement during which each of them, or at least one of them, discharges small quantities of the respective pigment one or more times.
  • Each micro-dispenser is provided with its own independent closure and opening shutter.
  • the second hopper is provided with a lower gate having variously shaped apertures and is made to open when the second hopper overlies the first hopper rigid with the carriage.
  • pigments this term also comprising atomized and coloured clay.
  • Figure 1 is a partly sectional side view of a first embodiment of the device of the invention.
  • Figure 2 is a plan view of the first embodiment of the device of the invention.
  • Figure 3 is a section on the line III-III of Figure 2.
  • Figure 4 is an enlarged view of one of the components of the device of the invention.
  • Figure 5 is a partly sectional side view of a second embodiment of the device of the invention.
  • Figure 6 is a plan view of the second embodiment of the device of the invention.
  • Figure 7 is a partly sectional side view of a third embodiment of the device of the invention.
  • Figure 8 is a partly sectional side view of a fourth embodiment of the device of the invention.
  • Figure 9 is a partly sectional side view of a fifth embodiment of the device of the invention.
  • Figure 10 is a diagram of a possible glazing powder distribution cycle programmed by the processor of the device of the invention.
  • Figure 1 shows a usual press 1 provided with a mould 2 with a single cavity 3.
  • a frame 4 supporting a table 40, the front edge of which is in contact with the rear edge of the press 1, and along which the usual loading carriage 5 traverses under the action of known means, not shown.
  • the carriage 5 comprises an external frame 50, which itself comprises a loading compartment 51 provided with an internal grid 510 having the same dimensions as the cavity 3 of the mould 2. Said carriage 5 comprises at its front a pusher with scraper 52 and a brush roller 53. The first hopper 54 lies to the rear of the brush roller 53.
  • said first hopper 54 comprises two oblique parts 540 and 541 of metal construction, at least one of which is upperly hinged and is maintained lowerly in contact with the other by known means, not shown, which open and close it.
  • Said distributor device 7 comprises a second hopper 8 supported by a frame fixed to the base, not shown, and a carriage 9 moving along said second hopper 8 and supporting identical micro-dispensers 10, 11, 12 and 13, which in the illustrated example are four in number.
  • the second hopper 8 has the same transverse dimension as the cavity 3 of the mould 2, and is provided lowerly with an opening and closure gate 80.
  • the gate 80 comprises variously shaped apertures, not shown, enabling the coloured powders contained in the second hopper 8 to be randomly distributed within the underlying first hopper 54.
  • the gate 80 is operated by a usual cylinder-piston unit 14.
  • the carriage 9 moves along the upper mouth of said second hopper 9 in such a manner as to feed into it the differently coloured powders contained in said micro-dispensers 10, 11, 12, 13.
  • the carriage 9 slides along two guides 15 and 16 by way of wheels 150 associated with the guide 15 and the slide block 160 associated with the guide 16.
  • Said carriage 9 is driven by a stepping motor 17 having its shaft fixed to a pulley 18 about which there passes the toothed belt 19 connected by known means to the bracket 20 rigid with the carriage 9.
  • Each micro-dispenser 10, 11, 12, 13 is provided with its own shutter 21 for opening and closing its lower mouth.
  • said shutters 21 are each operated by a cylinder-piston unit 22 of known type.
  • the devices 10, 11, 12, 13 contain powders of the same or different colour, which are fed into them by known means, not shown.
  • Figure 1 shows the carriage 5 in the retracted position, in which the processor causes the loading compartment 51 to be filled by known means, not shown.
  • the carriage 9 undergoes at least one travel stroke along the upper mouth of the hopper 8 such that the lower mouths 100, 110, 120, 130 of the micro-dispensers 10, 11, 12, 13 cover the entire area of said upper mouth to deposit measures of differently coloured powders.
  • each of said measures comprises a powder quantity of between 0.1 and 50 grams, and preferably, in the case of pure pigments, between 0.1 and 12 grams.
  • the loading cycle for said hopper 8 is preprogrammed in the processor.
  • the micro-dispenser 10 contains red pigments (R), the micro-dispenser 11 contains blue pigments (B), the micro-dispenser 12 contains red pigments (R) and the micro-dispenser 13 contains white pigments (W).
  • the processor commands the carriage 9 to undergo two outward and return strokes along the hopper 8, to deposit during each individual stroke the programmed number of measures of powders at the desired distance apart.
  • the micro-dispenser 13 deposits nine measures of white colour (W) into the second hopper 8
  • the micro-dispenser 11 deposits one measure of blue colour (B) and the micro-dispenser 12 one measure of red colour (R)
  • the micro-dispenser 11 deposits three measures of blue colour (B) and the micro-dispenser 12 three measures of red colour (R)
  • the micro-dispenser 11 deposits two measures of blue colour (B) and the micro-dispenser 12 two measures of red colour (R).
  • the second hopper 8 When the second hopper 8 has been loaded, it deposits its coloured powders into the first hopper 54, and the carriage 5 advances until the loading compartment 51 is positioned exactly above the cavity 3 of the mould 2 to discharge the clay contained in the loading compartment 51 into the cavity 3 of the mould 2.
  • the carriage 5 then retracts, and during this rearward movement the hopper 54 is made to deposit the coloured powders onto the clay present in the cavity 3.
  • the moment of opening of the lower mouth of the hopper 54 which can be controlled mechanically or electronically by the processor using known means, occurs when it encounters the front edge of the cavity 3, this lower mouth closing when it encounters the rear edge of the cavity 3.
  • the cycle by which the coloured powders are loaded into the second hopper 8 could comprise only a single passage of the carriage 9 along the hopper mouth.
  • the micro-dispensers 10-13 are made to deposit the measures of coloured powders simultaneously or in succession, depending on the type of mixing to be achieved between said measures.
  • the illustrated embodiment of the invention enables tiles to be created with their treading surface facing upwards with reference to the cavity 3 of the mould 2 of the accompanying figures.
  • FIG. 5 and 6 show the second embodiment of the invention. In said figures those means identical to those described in the preceding embodiment are indicated by the same numbers.
  • This second embodiment differs from the first in the means provided for depositing the clay into the cavity 3 of the mould 2.
  • the clay is not deposited into the mould cavity 2 by the loading compartment 51, but by a traversing hopper 25. More specifically, said hopper 25 traverses along a masking element 26 comprising a central aperture 260 having the same dimensions as the mould cavity 3.
  • Said masking element 26 also has a front edge 261 and a rear edge 262 on which the hopper halts at each stroke, their purpose being to close the lower mouth of the hopper 25.
  • the device processor controls its operation in the following manner.
  • Figure 5 shows the carriage 5 in its retracted position in which the soft material (clay and coloured powders) to be compacted is loaded into the hopper 25 by a known distributor, not shown. Simultaneously the device 7 feeds the coloured powders into the first hopper 54. It should be noted that the device 7 and its constituent components undergo exactly the same operations as described in the preceding embodiment.
  • the carriage 5 On termination of loading, the carriage 5 is advanced and when the lower mouth of the hopper 54 encounters the rear edge of the mould cavity 3, the hopper 54 is commanded by the processor to distribute the coloured powders onto the base of the cavity, while the carriage continues to advance.
  • the glazing powder distribution terminates when the lower mouth of the hopper 54 encounters the front edge of the mould cavity 3.
  • Advancement of the carriage ceases when the aperture 260 in the masking element 26 lies exactly above the mould cavity 3.
  • the processor causes the hopper 25 to undergo a travel stroke along said aperture 260 to deposit the clay into the mould cavity 3, above the coloured powder layer deposited by the hopper 54.
  • the carriage is then again retracted to its loading position.
  • Figure 7 shows a third embodiment of the invention which differs from the illustrated embodiment in the means for loading the clay into the mould cavity 3.
  • the loading carriage 5 comprises a rear hopper 30 the lower mouth of which is closed by the table 40 along which the carriage 5 slides. At its front the carriage supports the pusher with scraper 52 and the brush roller 53, behind which there is a hopper 54. Between the hopper 54 and the hopper 30 there is a space having the same dimensions as the mould cavity 3.
  • the processor of the device of the invention controls its operation in the following manner.
  • Figure 7 shows the device of the invention in the position for loading the soft material to be compacted.
  • the hopper 30 In said position the hopper 30 is filled with the quantity of clay required to fill the cavity 3, while simultaneously the device 7 deposits into the underlying hopper 54 the coloured powders which are to form the decoration on the treading surface of the tile.
  • the loading carriage 5 When the clay and coloured powders have been loaded the loading carriage 5 is advanced, and during this advancement the clay contained in the hopper 30 is discharged, after which the carriage is made to retract, the hopper 54 depositing the coloured powders onto the clay layer present in the cavity 3 during this retraction.
  • Figure 8 shows a fourth embodiment of the invention which differs from the illustrated embodiment in the means for distributing the coloured powders within the mould cavity 3.
  • the loading carriage 5 comprises the loading compartment 51 provided with a grid 510, to the front of which there are provided in succession a belt 27 driven by usual means not shown and supported by the carriage 5, the brush roller 53, and the pusher with scraper 52.
  • This third embodiment provides for creating on the belt 27 a layer of variously arranged coloured powders. Said powders are deposited on the belt 27 by a hopper 31 overlying the belt 27 and fed by the distributor device 7.
  • the device of the invention provides for the belt 27, during the loading of the carriage 5, to move in the direction of the arrow of Figure 8 while the hopper 31, previously fed with powders by the device 7, deposits on it a layer of variously coloured mixed powders.
  • the loading compartment 51 is filled with clay by known means, not shown.
  • the speed with which the belt moves must equal the speed of rearward movement of the loading carriage 5 if a virtually uniform layer of glazing powders is to be deposited in the cavity 3, otherwise the belt speed can vary according to the degree of non-uniformity of the layer to be achieved.
  • Figure 9 shows a further embodiment of the device of the invention.
  • the coloured powders are fed into the hopper 54 by an overlying motorized belt 28 on which a layer of powders is created by the device 7.
  • mould cavity 3 is loaded by the same operations described in detail in the first embodiment, the glazing powders being loaded into the hopper 8 of the device 7 in the manner already described.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Finishing Walls (AREA)
EP99200534A 1998-03-10 1999-02-23 Verfahren zur Herstellung einer dekorierten Fliese , entsprechende Vorrichtung zum Füllen der Pressformhohlräume und so hergestellte Fliese Expired - Lifetime EP0941826B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRE980025 1998-03-10
IT1998RE000025A IT1303927B1 (it) 1998-03-10 1998-03-10 Metodo di fabbricazione di piastrella decorata,relativo dispositivo di caricamento degli stampi della pressa e piastrella cosi' fabbricata.

Publications (3)

Publication Number Publication Date
EP0941826A2 true EP0941826A2 (de) 1999-09-15
EP0941826A3 EP0941826A3 (de) 2000-12-27
EP0941826B1 EP0941826B1 (de) 2004-09-22

Family

ID=11399192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99200534A Expired - Lifetime EP0941826B1 (de) 1998-03-10 1999-02-23 Verfahren zur Herstellung einer dekorierten Fliese , entsprechende Vorrichtung zum Füllen der Pressformhohlräume und so hergestellte Fliese

Country Status (5)

Country Link
EP (1) EP0941826B1 (de)
AT (1) ATE276858T1 (de)
DE (1) DE69920303T2 (de)
ES (1) ES2227963T3 (de)
IT (1) IT1303927B1 (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002007939A1 (en) * 2000-07-20 2002-01-31 Lo Scalino S.R.L. System for feeding a ceramic press
EP1043133A3 (de) * 1999-04-02 2003-01-02 Martinelli Ettore s.r.l. Presse zum Herstellen von Fliesen mit einer Fördervorrichtung für zwei Materialschichten
EP1226912A3 (de) * 2001-01-24 2003-07-02 Manfredini E Schianchi S.R.L Verfahren und Vorrichtung zum Füllen einer Form zur Herstellung von keramischen Gegenständen
EP1129834A3 (de) * 2000-02-21 2003-07-23 L.B. - Officine Meccaniche-S.p.A. Vorrichtung zum Füllen von einer Pressform mit keramischem Werkstoff
EP1225016A3 (de) * 2001-01-22 2003-09-17 L.B. Officine Meccaniche S.p.A. Verfahren zum Füllen der Fliesenpressformen, Ausführungsmittel dafür und so hergestellte Fliesen
EP1358983A3 (de) * 2002-04-29 2005-04-13 Gruppo Concorde S.p.A. Verfahren und Vorrichtung zum Füllen der Pressformen für die Herstellung von Fliesen
WO2008038116A3 (en) * 2006-09-26 2008-12-24 Gruppo Concorde Spa Tiles, apparatuses and methods for producing tiles
EP1905563A3 (de) * 2006-09-26 2011-02-09 L.B. Officine Meccaniche S.p.A. Vorrichtung zum Füllen eines Pressformhohlraumes mit einem pulverförmigen Material, sowie eine durch Pressen des pulverförmigen Materials hergestellte Platte
CN105082340A (zh) * 2014-05-16 2015-11-25 上海斯米克控股股份有限公司 一种具有延绵细砂纹理效果的瓷砖粉体布料转印工艺
CN106378863A (zh) * 2016-11-15 2017-02-08 佛山市赛普飞特机械有限公司 一种透水砖布料机
WO2017100931A1 (en) * 2015-12-18 2017-06-22 Techo-Bloc Inc. Casted block molding apparatus and method
CN112976242A (zh) * 2021-01-22 2021-06-18 陈刚 一种防胚体顶部变形的陶瓷板生产用压铸设备
CN113459562A (zh) * 2021-07-28 2021-10-01 陈伟鑫 一种人造石布料装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2472140B2 (es) 2014-02-07 2015-01-29 Kerajet S.A. Método de proyección de sólidos sobre una superficie
CN113478615B (zh) * 2021-07-02 2022-11-15 大石桥市兴华镁矿有限公司 一种耐火砖智能制造生产系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2072169T3 (es) * 1993-01-08 1995-07-01 Mirage Ceramica Spa Procedimiento para la fabricacion de baldosas moldeadas en seco, con la correspondiente planta de moldeo y la baldosa.
IT1280079B1 (it) * 1995-07-20 1997-12-29 Emilceramica S P A Carrello a doppio caricamento per stampi ceramici per la formatura di piastrelle smaltopressate e monopressate a piu' strati.
IT1287758B1 (it) * 1996-07-30 1998-08-18 Ceramiche Dual Srl Sistema di caricamento degli stampi delle presse ceramiche per la formatura di piastrelle pressosmaltate, e relativi mezzi di attuazione
IT1294941B1 (it) * 1997-08-01 1999-04-23 Ariostea S P A Sistema di caricamento degli stampi delle presse per la formatura di piastrelle e relativi mezzi di attuazione.

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1043133A3 (de) * 1999-04-02 2003-01-02 Martinelli Ettore s.r.l. Presse zum Herstellen von Fliesen mit einer Fördervorrichtung für zwei Materialschichten
EP1129834A3 (de) * 2000-02-21 2003-07-23 L.B. - Officine Meccaniche-S.p.A. Vorrichtung zum Füllen von einer Pressform mit keramischem Werkstoff
WO2002007939A1 (en) * 2000-07-20 2002-01-31 Lo Scalino S.R.L. System for feeding a ceramic press
EP1225016A3 (de) * 2001-01-22 2003-09-17 L.B. Officine Meccaniche S.p.A. Verfahren zum Füllen der Fliesenpressformen, Ausführungsmittel dafür und so hergestellte Fliesen
EP1226912A3 (de) * 2001-01-24 2003-07-02 Manfredini E Schianchi S.R.L Verfahren und Vorrichtung zum Füllen einer Form zur Herstellung von keramischen Gegenständen
EP1358983A3 (de) * 2002-04-29 2005-04-13 Gruppo Concorde S.p.A. Verfahren und Vorrichtung zum Füllen der Pressformen für die Herstellung von Fliesen
WO2008038116A3 (en) * 2006-09-26 2008-12-24 Gruppo Concorde Spa Tiles, apparatuses and methods for producing tiles
EP1905563A3 (de) * 2006-09-26 2011-02-09 L.B. Officine Meccaniche S.p.A. Vorrichtung zum Füllen eines Pressformhohlraumes mit einem pulverförmigen Material, sowie eine durch Pressen des pulverförmigen Materials hergestellte Platte
CN105082340A (zh) * 2014-05-16 2015-11-25 上海斯米克控股股份有限公司 一种具有延绵细砂纹理效果的瓷砖粉体布料转印工艺
WO2017100931A1 (en) * 2015-12-18 2017-06-22 Techo-Bloc Inc. Casted block molding apparatus and method
US10500758B2 (en) 2015-12-18 2019-12-10 Techo-Bloc Inc. Casted block molding apparatus and method
CN106378863A (zh) * 2016-11-15 2017-02-08 佛山市赛普飞特机械有限公司 一种透水砖布料机
CN106378863B (zh) * 2016-11-15 2019-05-03 佛山市赛普飞特机械有限公司 一种透水砖布料机
CN112976242A (zh) * 2021-01-22 2021-06-18 陈刚 一种防胚体顶部变形的陶瓷板生产用压铸设备
CN113459562A (zh) * 2021-07-28 2021-10-01 陈伟鑫 一种人造石布料装置

Also Published As

Publication number Publication date
DE69920303D1 (de) 2004-10-28
ITRE980025A1 (it) 1999-09-10
ATE276858T1 (de) 2004-10-15
EP0941826B1 (de) 2004-09-22
ES2227963T3 (es) 2005-04-01
EP0941826A3 (de) 2000-12-27
IT1303927B1 (it) 2001-03-01
DE69920303T2 (de) 2005-02-24

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