EP1170104B1 - Distributing means for distributing powder material - Google Patents

Distributing means for distributing powder material Download PDF

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Publication number
EP1170104B1
EP1170104B1 EP01119709A EP01119709A EP1170104B1 EP 1170104 B1 EP1170104 B1 EP 1170104B1 EP 01119709 A EP01119709 A EP 01119709A EP 01119709 A EP01119709 A EP 01119709A EP 1170104 B1 EP1170104 B1 EP 1170104B1
Authority
EP
European Patent Office
Prior art keywords
distributing
hollow
conveyor
powders
closing
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.)
Expired - Lifetime
Application number
EP01119709A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1170104A2 (en
EP1170104A3 (en
Inventor
Carlo Antonio Camorani
Maris Algeri
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.)
System SpA
Original Assignee
System SpA
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
Priority claimed from IT97MO000005 external-priority patent/IT1292654B1/it
Priority claimed from IT97MO000004 external-priority patent/IT1292653B1/it
Application filed by System SpA filed Critical System SpA
Publication of EP1170104A2 publication Critical patent/EP1170104A2/en
Publication of EP1170104A3 publication Critical patent/EP1170104A3/en
Application granted granted Critical
Publication of EP1170104B1 publication Critical patent/EP1170104B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/005—Devices or processes for obtaining articles having a marble appearance
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/008—Producing shaped prefabricated articles from the material made from two or more materials having different characteristics or properties
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/10—Producing shaped prefabricated articles from the material by vibrating or jolting and applying pressure otherwise than by the use of presses
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
    • B28B1/16—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted for producing layered articles
    • 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
    • B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped 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
    • 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
    • B28B13/0205—Feeding the unshaped material to moulds or apparatus for producing shaped articles supplied to the moulding device in form of a coherent mass of material, e.g. a lump or an already partially preshaped tablet, pastil or the like
    • 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
    • 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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04—Discharging the shaped articles
    • B28B13/06—Removing the shaped articles from moulds
    • 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
    • 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
    • B28B3/003—Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
    • 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
    • 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
    • B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
    • B28B3/123—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material on material in moulds or on moulding surfaces moving continuously underneath or between the rollers, e.g. on an endless belt
    • 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
    • B28B5/02—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 on conveyors of the endless-belt or chain type

Definitions

  • the present invention relates to distributing means for distributing powder material, in particular for the production of ceramic tiles.
  • PCT/EP95/04560 discloses a system for pressing ceramic tiles, wherein a continuous strip of powders having a predetermined thickness and width is formed, predetermined areas of said strip being compacted to obtain tiles, or pre-compacted semi-manufactured products which are precursors of the tiles to be formed. In the latter case there is provided pressing semi-manufactured products in a die to obtain corresponding tiles ready to be subsequently dried and fired.
  • US-A-3,540,093 describes an apparatus for manufacturing ceramic tiles, having substantially uniform compactness, homogeneity, density and thickness, wherein from a bottom end of a hopper, in which powders of ceramic material are contained, a vertical strip of compacted powders is formed by action of opposed pressing rolls, from said strip some pre-compacted products being subsequently severed by cutting and distributed on a horizontal conveyor from which the severed products are transferred to a die to obtain tile bodies.
  • GB-A-880,892 describes an apparatus for forming clay material in which a mass of clay, humidified in such a way as to result at a plastic state, is laminated between a pair of rolls to obtain a layer of plastic material and subsequently the layer is formed by a forming die, without substantial alteration of the volume, in such a way as to obtain a plurality of tiles interconnected by webs which are subsequently cut by rotating disks.
  • Prior art comprises also some apparatuses for making tiles in which powders are distributed in two superimposed layers during distinct strokes of a distributing trolley or distinct phases of the same stroke of a distributing trolley, the trolley being generally provided with grids and each one leading the powders of a determined layer to the matrix of the press.
  • An example of such a kind of apparatuses is described in IT-A-1,069,458.
  • Document EP-A-0558248 disclosed distributing means for distributing powdered product do decorate ceramic tiles, comprising conveyor means provided with hollow means which are open outwardly to contain parts of said product and closing means for closing said hollow means arranged to prevent said parts from exiting said hollow means along a predetermined portion of said conveyor means.
  • An object of the present invention is to improve the existent apparatuses for working ceramic tiles and especially for detaching powdered products from hollow seats of conveyor means.
  • Figure 1 shows an apparatus for forming, on belt conveyor means 3, a layer of powders composed of base powders 6 and decorating powders 8.
  • the powders 6 are contained in hopper distributing means 200 provided, along a wall area, with an inlet into which powders 8 are poured, said powders 8 having been distributed on distributing belt means 213 forming a predetermined design, as will be better explained below.
  • the belt means 3 and 213 is advanced along the respective advancing directions V and VI, the powders 8 are progressively poured into the inlet 201 where a deflector of the hopper distributing means 200 incorporates them into the powders 6.
  • the hopper distributing means 200 is provided with a section for discharging on the belt conveyor means 3 with section which is substantially uniform.
  • the hopper distributing means 200 has a shape comprising a section converging downward and an outlet section 205 which pours the powders 6 into collecting means 206 defined by an end 207 of the distributing belt means 213 and by wall means 208 which defines together a conduit 209 wherein powders 6, 8 flow towards the belt conveyor means 3.
  • the conduit 209 has a section with constant width to prevent the powders from being altered when passing therethrough.
  • the distributing belt means 213 may have recesses, or cavities, 210 arranged to contain decorating powders 8a.
  • the powders 8, 8a are poured into the conduit 209 and amalgamated on a side of the powders 6, in such a way as to result incorporated into, or resting on, said powders when the latter are poured on the belt conveyor means 3.
  • the disposition of the belt means 3 and 213 is such that the powders 8a, due to gravity, tend to detach from the cavities 210.
  • detaching means 211 formed for example by a vibrating body, which shakes the belt means 213 and support the detaching of the powders 8, 8a therefrom.
  • Figures 2 and 3 show embodiments of rotating distributing means 212 arranged to pour powders 8 on a support S, which may comprise indifferently, depending on the cases, belt conveyor means 3, ceramic supports, one or more layers of powders 6, 8 to be pressed.
  • a support S which may comprise indifferently, depending on the cases, belt conveyor means 3, ceramic supports, one or more layers of powders 6, 8 to be pressed.
  • scraping means 169 is provided suitable for scraping excesses of said powders 8 from the surface of the rotating distributing means 212.
  • the rotating distributing means 212 may be formed by distributing belt means 213, or by a cylindrical distributing body 214, and is preferably provided with recesses 215 arranged to contain the powders 8 and such as to define a predetermined design.
  • the powders 8 are distributed into the recesses 215 by hopper means 163 which pours said powders on an upper portion of the distributing means which moves underneath its outlet opening.
  • the powders are maintained inside the recesses 215 by containing means 216 which covers the portion of distributing means which changes, during motion, its position bringing the recesses 215 from the initial position wherein they face upwardly, to the discharging position wherein they face downward.
  • the containing means 216 may be formed by wall means 217, having for example the shape of a shell, which covers an end 218 of the belt means 213, or, as shown in Figures 4, 5, by a flexible means, as belt means 218a rolled up on return means 219 in such a way as to have a part 220 which covers the portion of distributing means 212 which inverts its position with respect to a horizontal plane.
  • detaching means 211 for detaching powders which may also act as an element whereon the containing belt means 218a is rolled up.
  • Figures 4, 5 show that the powders 6, 8 are pressed with a punch 55 while they are contained by the exceed of the powders 71. Thus, only a central portion of the powders results pressed in a homogeneous manner to obtain the product 14, while the non-pressed powders 72 are circulated again.
  • Each product 14 is subsequently transferred at a conveyor line 73 whereon a frame punch 74 is descended, said frame punch 74 cutting, from the product, the external portion of rejection 72a, so obtaining pressed and homogeneous products 14a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
EP01119709A 1996-11-22 1997-10-17 Distributing means for distributing powder material Expired - Lifetime EP1170104B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
IT96MO000151 IT1287505B1 (it) 1996-11-22 1996-11-22 Metodo e mezzi per la pressatura di piastrelle ceramiche.
ITMO960151 1996-11-22
IT97MO000005 IT1292654B1 (it) 1997-01-16 1997-01-16 Sistema per la formatura di piastrelle ceramiche.
IT97MO000004 IT1292653B1 (it) 1997-01-16 1997-01-16 Apparato e metodo per distribuire polveri ceramiche in piu' strati a rispettivi mezzi pressatori.
ITMO970004 1997-01-16
ITMO970005 1997-01-16
EP97945854A EP0939691A2 (en) 1996-11-22 1997-10-17 Manufacturing of powdered material

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP97945854A Division EP0939691A2 (en) 1996-11-22 1997-10-17 Manufacturing of powdered material

Publications (3)

Publication Number Publication Date
EP1170104A2 EP1170104A2 (en) 2002-01-09
EP1170104A3 EP1170104A3 (en) 2002-05-15
EP1170104B1 true EP1170104B1 (en) 2006-07-19

Family

ID=27274124

Family Applications (5)

Application Number Title Priority Date Filing Date
EP01119709A Expired - Lifetime EP1170104B1 (en) 1996-11-22 1997-10-17 Distributing means for distributing powder material
EP97945854A Withdrawn EP0939691A2 (en) 1996-11-22 1997-10-17 Manufacturing of powdered material
EP02023590A Expired - Lifetime EP1283097B1 (en) 1996-11-22 1997-10-17 Method for pressing powdered material
EP01119708A Expired - Lifetime EP1175982B1 (en) 1996-11-22 1997-10-17 Method for pressing powder material
EP01119710A Expired - Lifetime EP1170105B1 (en) 1996-11-22 1997-10-17 Manufacturing of powdered material

Family Applications After (4)

Application Number Title Priority Date Filing Date
EP97945854A Withdrawn EP0939691A2 (en) 1996-11-22 1997-10-17 Manufacturing of powdered material
EP02023590A Expired - Lifetime EP1283097B1 (en) 1996-11-22 1997-10-17 Method for pressing powdered material
EP01119708A Expired - Lifetime EP1175982B1 (en) 1996-11-22 1997-10-17 Method for pressing powder material
EP01119710A Expired - Lifetime EP1170105B1 (en) 1996-11-22 1997-10-17 Manufacturing of powdered material

Country Status (7)

Country Link
EP (5) EP1170104B1 (it)
AU (1) AU5120198A (it)
DE (4) DE69738589T2 (it)
ES (4) ES2266061T3 (it)
IT (1) IT1287505B1 (it)
PT (2) PT1170105E (it)
WO (1) WO1998023424A2 (it)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
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CN110193968B (zh) * 2019-06-06 2021-09-17 唐竹胜 一种粉状料定量布料装置及布料方法
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EP0939691A2 (en) 1999-09-08
WO1998023424A3 (en) 1998-08-20
IT1287505B1 (it) 1998-08-06
DE69736496D1 (de) 2006-09-21
WO1998023424A2 (en) 1998-06-04
ES2266061T3 (es) 2007-03-01
DE69738589D1 (de) 2008-04-30
PT1170105E (pt) 2008-11-03
EP1170105A2 (en) 2002-01-09
EP1170104A2 (en) 2002-01-09
EP1170105B1 (en) 2008-08-13
EP1175982A2 (en) 2002-01-30
ES2311495T3 (es) 2009-02-16
EP1283097B1 (en) 2006-08-09
DE69736362T2 (de) 2007-07-19
EP1175982B1 (en) 2008-03-19
EP1170104A3 (en) 2002-05-15
ITMO960151A0 (it) 1996-11-22
ITMO960151A1 (it) 1998-05-22
EP1283097A2 (en) 2003-02-12
DE69738589T2 (de) 2009-04-23
DE69738916D1 (de) 2008-09-25
PT1283097E (pt) 2006-11-30
ES2301507T3 (es) 2008-07-01
EP1175982A3 (en) 2002-05-15
DE69736362D1 (de) 2006-08-31
EP1283097A3 (en) 2003-03-19
AU5120198A (en) 1998-06-22
EP1170105A3 (en) 2002-05-15
ES2269584T3 (es) 2007-04-01

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