EP1767320A1 - Vorrichtung zum Herstellen von Oberflächenmuster aufweisenden Fliesen und damit hergestellte Fliesen - Google Patents

Vorrichtung zum Herstellen von Oberflächenmuster aufweisenden Fliesen und damit hergestellte Fliesen Download PDF

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Publication number
EP1767320A1
EP1767320A1 EP05425675A EP05425675A EP1767320A1 EP 1767320 A1 EP1767320 A1 EP 1767320A1 EP 05425675 A EP05425675 A EP 05425675A EP 05425675 A EP05425675 A EP 05425675A EP 1767320 A1 EP1767320 A1 EP 1767320A1
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EP
European Patent Office
Prior art keywords
dispensing
impeller
extremity
liquid
mixing impeller
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Withdrawn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
EP05425675A
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English (en)
French (fr)
Inventor
Mario Finocchiaro
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.)
Fimag di Mario Finocchiaro
Original Assignee
Fimag di Mario Finocchiaro
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 Fimag di Mario Finocchiaro filed Critical Fimag di Mario Finocchiaro
Priority to EP05425675A priority Critical patent/EP1767320A1/de
Publication of EP1767320A1 publication Critical patent/EP1767320A1/de
Withdrawn legal-status Critical Current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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/001—Applying decorations on shaped articles, e.g. by painting
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0863—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for profiling, e.g. making grooves
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
    • 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
    • B28B13/0295—Treating the surface of the fed layer, e.g. removing material or equalization of the surface
    • 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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/06—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds on a turntable
    • B28B5/08—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds on a turntable intermittently rotated

Definitions

  • This invention relates to the field of patterned cementitious agglomerate tiles.
  • the manufacturing of cementitious agglomerate tiles, for floors or coverings, and more generally of all the products that can be realized by the same type of agglomerate, such as e.g. steps or tables, envisages the working of a starting cementitious slurry, formed of a dense cementitious suspension, by a press having one or more moulding cavities.
  • the fabrication of a patterned tile involves achieving a pattern or image or a chromatic effect on the surface at sight of the tile itself, which, therefore, will result to be different from the one spontaneously determined by the starting cementitious slurry.
  • the pattern is obtained by resorting to the use of a plurality of different mixes and of partitioning elements consisting of small frameworks so manually profiled, that one is able to reproduce a desired image by them.
  • the small frameworks are arranged inside the moulding cavity of the press, in which moulding press they determine precisely defined spaces, that allow an operator to manually introduce mixes of various colours therein, so that each slurry fills a space of its own, and, once the tile finished, the profile of the used partitioning element being reproduced on this one, the desired image turns out to be reproduced.
  • this invention proposes the object to itself to provide an apparatus, endowed with programmable data processing means, which apparatus allows patterned tiles to be produced in industrial, automated, programmable way, overcoming the drawbacks of traditional art, by means of a head or impeller including an actuating extremity, an intermediate stem and a working extremity, the latter being endowed with hole liquid dispensing means and with blade dispensing means to dispense and slurry a colouring liquid, composed of a solution of colouring agents, once the impeller has been dipped into the starting cementitious slurry, and driven to move in translation in it by pantograph means, rotating around an own longitudinal rotation axis thereof, dispensing the colouring solution and mixing it with the cementitious slurry to dye a drawing in it, by virtue of the fixation of the colouring agents on the particles of the dense suspension of the cementitious slurry; by means of which apparatus it is possible to produce tiles bearing a drawing of whichever conception on a surface at sight thereof, with a result of a head
  • Such a problem according to the teaching of this invention is solved by the contrivance of shaping the hole liquid dispensing means as one or more holes in radial arrangement relative to said longitudinal rotation axis of the impeller, i.e. in such an arrangement as to guide the flows of the dispensing of the colouring liquid perpendicularly to said longitudinal rotation axis of the impeller (if a plurality of delivery holes is present, obviously these ones can find themselves with their respective liquid outflow directions all arranged on the same plane perpendicular to the longitudinal axis of rotation of the impeller).
  • the delivery holes find themselves arranged in such a manner, that the centrifugal force field generated by the rotation of the impeller acts in them repelling the particles of the cementitious slurry therefrom and impeding the particles to infiltrate them and promoting the dispensing of colouring liquid.
  • the Inventor of this application has also confronted himself with the problem of the mechanical interaction of the mixing blades with the cementitious slurry. He has found a problem of wear of the mixing blades of the impeller in performing their work, caused by the abrasive environment of the cementitious slurry in which they find themselves. It is a further object of this invention to provide a solution to this problem too. Such an object is reached by making the blades in a hard metal, such as e.g. Widia, which can also be pieces inserted on the dispensing and mixing impeller.
  • a hard metal such as e.g. Widia
  • the inventor of this application also proposes the object to itself to provide a machine that is able to draw tracts having various widths.
  • the dispensing and mixing impeller, and a driving shaft that supports and actuates it of the machine are endowed with complementary reversible, i.e. easy-disassembly, assembly means.
  • this invention provides that said data processing means are programmed to command a colouring liquid supply to the impeller that is a function of the diameter of the impeller and of its speed of translation within the cementitious slurry, as well as of the desired drawing.
  • a machine envisaged by this invention can include a normal rotary press P for single-layer tiles having a mould-bearing table T bearing four moulds, three of which visible 1, 2, 3, which a first station S1, a second station S2, a third station S3 and a fourth station (not visible) correspond to.
  • the four stations respectively correspond to a first manufacturing phase, of filling the mould with the cementitious slurry for the fabrication of a tile, to a second manufacturing phase, of drawing of the tile, to a third manufacturing phase, of pressing of the tile, and to a fourth phase, of delivery of the tile.
  • first station S1 the falling takes place of cementitious slurry S , normally including a dense suspension of hard marble grit, marble powders, very fine particle size cement in water (in a composition known to any manufacturer).
  • cementitious slurry S normally including a dense suspension of hard marble grit, marble powders, very fine particle size cement in water (in a composition known to any manufacturer).
  • first station S1 a vibration is envisaged of the bottom of the mould to promote the levelling of cementitious slurry S in the mould.
  • the mould is rotated, as denoted by arrow R , to bring itself in second station S2.
  • the drawing phase is effected, by virtue of a drawing equipment arranged in correspondence with second station S2.
  • the drawing equipment includes a pantograph including an abscissa slide 10 and an ordinate slide 11 interdependent on each other and arranged the one on the other, covered with respective protective sheaths 10', 11', and movable in both senses along axes perpendicular to each other, as respectively indicated by arrows X and Y .
  • a drawing head H On abscissa slide 10 a drawing head H is assembled, which can be displaced in translation by the pantograph in the area of mould 2.
  • drawing head H includes a box 101, for containment and support, which a dispensing and mixing impeller 12, which radially sprinkles liquid, which overlooks mould 2, is assembled onto by means of an impeller-bearing driving shaft 100 in turn assembled onto box itself 101 revolvingly supported by means of ball bearings 102.
  • an air cylinder 21 is assembled which performs a vertical movement of dispensing and mixing impeller 12, it being able to make it to penetrate in cementitious slurry S, and to lift it therefrom.
  • a pneumatic motor 20 assembled on drawing head H and endowed with a pulley 103 and with a belt 104 which engages impeller-bearing shaft 100, by means of the latter actuates dispensing and mixing impeller 12 in a motion of rotation on itself.
  • the displacement in translation imparted to box 101 by the pantograph evidently actuates a translation movement of dispensing and mixing impeller 12 in the area of mould 2, in the interior of cementitious slurry S.
  • dispensing and mixing impeller 12 preceptive, is a lathe-fabricated piece, which includes a spindle piece shaped with an intermediate stem 12', a working extremity 15, intended to be dipped into cementitious slurry S necessary for producing a tile, and an actuating extremity 16, which takes the motion for actuating the dispensing and mixing impeller.
  • the dispensing and mixing impeller is affected by a supply hole 13 which crosses it axially from the actuating extremity, in correspondence of which it is open 13', up to the working extremity, in correspondence of which it is closed as a dead end 13".
  • a supply hoselet 105 having a hole having a diameter e.g.
  • Dead end 13 forces the colouring water fed by the supply hoselet to pour out of the dispensing and mixing impeller through a delivery hole 14 having its axis that perpendicularly intersects the one of supply hole 13, which is the longitudinal axis of rotation of impeller 12.
  • the rotation of the dispensing and mixing impeller generates a centrifugal force field by virtue of which the pouring out is promoted of colouring liquid, as well as the particles of cementitious slurry S are prevented from infiltrating delivery hole 14, which so keeps perfectly clean, notwithstanding it finds itself permanently immersed in the cementitious slurry.
  • a colouring liquid metering device 22 is assembled, as can be seen in FIGURE 1 and in FIGURE 2.
  • This one may include four dispensers, each one for a different colour, two of which 22 1 , 22 2 can be seen in FIGURE 2.
  • Metering device 22 supplies the colouring liquid to the dispensing and mixing impeller through aforesaid supply hoselet 105.
  • Metering device 22 can meter colouring water from its individual dispensers in such a way as to obtain the colourings necessary for realizing a desired image to be depicted on the tile to be manufactured, e.g. a geometric or an abstract image.
  • Metering device 22 also performs a metering of the coloured water flow rate to be fed to the dispensing and mixing impeller, as a function of the diameter of the impeller and of the speed of the shift thereof in translation and as a function of the typology of the drawing to be realized.
  • dispensing and mixing impeller 12 envisages a kit of a plurality of mixing impellers.
  • dispensing and mixing impeller 12 is conceived as an interchangeable piece, by virtue of the following contrivances.
  • Actuating extremity 16 has a threaded hollow 17 for the reversible assembly onto impeller-bearing shaft 100 (by "reversible assembly” an easily disassembled coupling being meant).
  • Impeller-bearing shaft 100 is correspondingly endowed with a threaded connecting projection complementary to the one 16 of dispensing and mixing impeller 12.
  • each bladelet body generally arranged on a plane passing through longitudinal rotation axis Z of the dispensing and mixing impeller itself.
  • the bladelet bodies may be planar.
  • Delivery hole 14 may open in one of the mixing bladelets, or it may open in a gap space between two contiguous bladelets.
  • Mixing bladelets 15 1 , 15 2 , 15 3 , 15 4 promote the mixing of the colouring solution with the cementitious slurry during the rotation of dispensing and mixing impeller 12 within cementitious slurry S.
  • the mixing blades are realized with insert pieces in Widia.
  • actuating 16 and working 15 extremities of dispensing and mixing impeller 12 are filleted to intermediate stem 12' by means of respective taperings 16', 15', which get narrower towards intermediate stem 12', which solve the problem of the mechanical interaction of the dispensing and mixing impeller with the cementitious slurry in its vertical lowering movements in the latter and in its lifting movements from the latter, without the extraction of the dispensing and mixing impeller from the cementitious slurry modify the latter.
  • a machine envisages an electronic processor (not depicted), interfaced with pneumatic motor 20, with air cylinder 21 and with pantograph PG, programmed to command movements to these ones to be imparted to dispensing and mixing impeller 12, and interfaced with metering device 22 and programmed to command to this one to deliver colouring liquids coming from its respective dispensers according to desired relative proportions, and to command the flow rate of the colouring liquid that supplies dispensing and mixing impeller 12 as a function of the diameter and of the speed of translation of the latter, as well as of the desired type of drawing.
  • Dispensing and mixing impeller 12 depicted in FIGURE 2 above mould 2, is made by pneumatic cylinder 21 to penetrate into cementitious slurry S within the mould, rotating under the actuation of pneumatic motor 20, up almost to reach the bottom of mould 2.
  • the dispensing and mixing impeller is depicted at the centre of mould 2, but this circumstance is purely occasional, it being able, in the work reality, to penetrate into cementitious slurry S starting from another specific initial position, suggested by a particular drawing to be realized.
  • Pantograph PG will make dispensing and mixing impeller 12 to perform such a path as to draw a desired pattern.
  • Dispensing and mixing impeller 12 once a programmed path relevant to the desired drawing realized in the interior of the slurry, is lifted from the mould and so extracted from cementitious slurry S, to allow mould-bearing table T to rotate for the subsequent pressing phase in third station S3, where cementitious slurry, already drawn, undergoes the effect of a strong pressure, so giving rise to the final making of the product, the use surface of which is the lower one.
  • a slurry dose is poured into the mould more than double of the normal one, to obtain a tile having a thickness more than double.
  • the dispensing and mixing impeller is commanded to penetrate up to half the depth of the slurry, and it will realize the drawing operations at such a depth.
  • the subsequent pressing phase will realize a tile which, once seasoned, will be cut into two parts, realizing two tiles, with the advantage of doubling the production and of having two tiles bearing perfectly specular patterns.
  • the above description refers to a rotary press for single-layer materials, i.e. materials formed of a single slurry.
  • Such a type of machine have the mould bottom which is draining, to allow the removal of excess water from the slurry during pressing.
  • the features of the mould-bearing table may differ from those illustrated both for the number of stations and for the features of the moulds, but, anyhow, the features of the assembly of members which the task of drawing is assigned to remain unchanged.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
EP05425675A 2005-09-27 2005-09-27 Vorrichtung zum Herstellen von Oberflächenmuster aufweisenden Fliesen und damit hergestellte Fliesen Withdrawn EP1767320A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05425675A EP1767320A1 (de) 2005-09-27 2005-09-27 Vorrichtung zum Herstellen von Oberflächenmuster aufweisenden Fliesen und damit hergestellte Fliesen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05425675A EP1767320A1 (de) 2005-09-27 2005-09-27 Vorrichtung zum Herstellen von Oberflächenmuster aufweisenden Fliesen und damit hergestellte Fliesen

Publications (1)

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EP1767320A1 true EP1767320A1 (de) 2007-03-28

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EP05425675A Withdrawn EP1767320A1 (de) 2005-09-27 2005-09-27 Vorrichtung zum Herstellen von Oberflächenmuster aufweisenden Fliesen und damit hergestellte Fliesen

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016113652A1 (en) * 2015-01-13 2016-07-21 Luca Toncelli Programmable station and plant for the production of plates with chromatic effects
WO2016189377A1 (en) * 2015-05-22 2016-12-01 Enrok Surfaces, Sl Artificial stone slab comprising veins and method of manufacturing same
EP3705250A1 (de) * 2019-03-06 2020-09-09 Technische Universität Braunschweig Verfahren zum herstellen eines betonbauteils und betonteil-herstellvorrichtung
EP3715075A1 (de) * 2019-03-29 2020-09-30 SR-Schindler Maschinen - Anlagetechnik GmbH Plattenproduktionsanlage mit vorsatzverteilereinrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2271364A1 (en) * 1973-10-09 1975-12-12 Humilier Gisele Coating of granite for concrete surfaces - using granite chippings in a natural or plastic matrix
EP0319972A2 (de) * 1987-12-09 1989-06-14 Metten Produktions- Und Handels Gmbh Verfahren zum Herstellen und/oder Behandeln von Betonsteinen
US5435889A (en) * 1988-11-29 1995-07-25 Chromalloy Gas Turbine Corporation Preparation and coating of composite surfaces
ES2191554A1 (es) * 2002-01-24 2003-09-01 Noro Franco Eusebio Metodo y equipo para decorar piezas ceramicas y producto obtenido.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2271364A1 (en) * 1973-10-09 1975-12-12 Humilier Gisele Coating of granite for concrete surfaces - using granite chippings in a natural or plastic matrix
EP0319972A2 (de) * 1987-12-09 1989-06-14 Metten Produktions- Und Handels Gmbh Verfahren zum Herstellen und/oder Behandeln von Betonsteinen
US5435889A (en) * 1988-11-29 1995-07-25 Chromalloy Gas Turbine Corporation Preparation and coating of composite surfaces
ES2191554A1 (es) * 2002-01-24 2003-09-01 Noro Franco Eusebio Metodo y equipo para decorar piezas ceramicas y producto obtenido.

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016113652A1 (en) * 2015-01-13 2016-07-21 Luca Toncelli Programmable station and plant for the production of plates with chromatic effects
KR20170102472A (ko) * 2015-01-13 2017-09-11 루카 톤셀리 크로마틱 효과를 갖는 플레이트의 생성을 위한 프로그래밍가능 스테이션 및 플랜트
CN107206623A (zh) * 2015-01-13 2017-09-26 卢卡·通切利 用于生产具有色彩效果的板的可编程的站和设备
CN107206623B (zh) * 2015-01-13 2019-10-08 卢卡·通切利 用于生产具有色彩效果的板的可编程的站和设备
US10751911B2 (en) 2015-01-13 2020-08-25 Luca Toncelli Programmable station and plant for the production of plates with chromatic effects
EP3245033B1 (de) 2015-01-13 2021-10-27 Luca Toncelli Programmierbare station und anlage zur herstellung von platten mit chromatischen effekten
WO2016189377A1 (en) * 2015-05-22 2016-12-01 Enrok Surfaces, Sl Artificial stone slab comprising veins and method of manufacturing same
KR20180019602A (ko) * 2015-05-22 2018-02-26 실리칼리아, 에스엘 베인을 포함한 인조석 슬래브 및 이의 제조 방법
EP3297969B1 (de) 2015-05-22 2020-08-26 Silicalia, Sl Kunststeinplatte mit streifen und herstellungsverfahren dafür
US10850424B2 (en) 2015-05-22 2020-12-01 Compacstone Usa, Inc Artificial stone slab comprising veins and method of manufacturing same
EP3705250A1 (de) * 2019-03-06 2020-09-09 Technische Universität Braunschweig Verfahren zum herstellen eines betonbauteils und betonteil-herstellvorrichtung
EP3715075A1 (de) * 2019-03-29 2020-09-30 SR-Schindler Maschinen - Anlagetechnik GmbH Plattenproduktionsanlage mit vorsatzverteilereinrichtung

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