EP0962294A2 - Dispositif d'alimentation de poudres dans une presse pour la fabrication de carreaux en céramique - Google Patents
Dispositif d'alimentation de poudres dans une presse pour la fabrication de carreaux en céramique Download PDFInfo
- Publication number
- EP0962294A2 EP0962294A2 EP99201572A EP99201572A EP0962294A2 EP 0962294 A2 EP0962294 A2 EP 0962294A2 EP 99201572 A EP99201572 A EP 99201572A EP 99201572 A EP99201572 A EP 99201572A EP 0962294 A2 EP0962294 A2 EP 0962294A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary mixer
- silos
- powder
- distributor
- 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.)
- Withdrawn
Links
- 239000000843 powder Substances 0.000 title claims abstract description 34
- 239000000919 ceramic Substances 0.000 title claims abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
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
Definitions
- This invention relates to the manufacture of ceramic tiles produced by a multi-colour mixture of clay-based single-colour powders.
- porcellainized stone which is prepared by pressing atomized clay-based powders, then firing at very high temperature.
- the powders used derive from mixing various components, which differ from each other by their particle size and colour, to enable tiles to be obtained having a large variety of typical appearances.
- a common characteristic of said tiles is their bulk coloration, ie coloration throughout the entire tile thickness or through a substantial layer of it.
- These devices generally comprise a small feed hopper positioned to overlie a carriage provided with a loading compartment containing a grid, and traversing between a position in which the compartment lies below the small hopper and a position in which the compartment lies above the mould impressions.
- the small hopper is fed by a powder distributor which moves with reciprocating movement above its mouth in a to-and-fro manner and is either continuous or discontinuous depending on circumstances, with the purpose of maintaining in the small hopper that powder level necessary for the proper success of the manufacturing process.
- the distributor collects the powders by flexible tubes from one or more large vessels or silos located upstream.
- the invention specifically relates to those devices positioned between the powder containing silos, each of which contains a determined type of powder, and said small hopper, these being the devices which substantially determine the grade, the mixing criteria and the component percentages of the various powders and hence the final appearance of the finished product.
- the object of the invention is to provide a feed device able to satisfy mixing criteria within an extremely wide range, so enabling many types of product to be manufactured without requiring modifications to the plant.
- Said figures show the working surface 1 of a press carrying a mould 3 with three impressions 31, 32 and 33 for receiving the dies 131, 132 and 133 extending from the underside of the movable crosspiece 13 of the press.
- a slide surface 4 for a feed carriage 5 extends coplanar with the press surface 1.
- the carriage 5 comprises three feed compartments 51, 52 and 53 each provided with a usual grid, and is driven with reciprocating movement by a usual crank mechanism indicated by 6.
- the lower mouth of the small hopper 7 is closed in the usual manner by the continuous upper surface of the carriage 5 which extends forwards and rearwards of said compartments 51, 52 and 52.
- a fixed frame 8 On the opposite side of the small hopper 7 to that facing the press there is a fixed frame 8 provided with two guides 81 and 82 positioned transversely to the direction of travel of the carriage and extending along the entire length of the press.
- the frame 8 also comprises an electric motor 9 of controlled advancement and speed, its shaft being connected possibly via a step-down gear to one of the two reversing wheels 91 about which a chain or belt 92 passes. Said wheels are positioned to the sides of the carriage travel surface 4.
- a distributor tube 21 of which the lower end lies above the small hopper 7, into which it is partially inserted, its upper end being shaped as a funnel 22.
- a frusto-conical rotary mixer 23 which is supported by the carriage 20 via a thrust bearing, not shown.
- the mixer 23 is rotated by an electric motor 24 connected to the rotating part of the thrust bearing by a worm transmission, possibly via a step-down gear.
- Said dispensers six in number, three on each side of the surface 4, are each connected by a respective flexible tube to an overlying silo, not shown, containing a determined type of powder to be mixed in desired quantities with one or more of the powders contained in the other silos.
- Each of the dispensers 35, 36 and 37, 35a, 36a and 37a comprises a closure gate 38 operated by an independent cylinder-piston unit 39.
- the distributor tube 21 which traverses with to-and-fro movement along the mouth of the small hopper 7 is closed, when in its end-of-travel positions, by a plate 70 located at the ends of the small hopper.
- the overlying group of dispensers descends by the action of the cylinder-piston unit 34, 34a into the mouth of the rotary mixer 23 and, depending on the composition of the tile mixture to be obtained, one or more of the dispensers opens for a time determined by the microprocessor program.
- the powder falls into the mixer which rotates under the control of the microprocessor at a mixing speed equal to or greater than zero.
- the mixing speed determines a greater or lesser extent of mixing within the powder columns falling from the dispensers, in an arrangement varying from initially straight-line (with the mixer at rest) to helical, to provide essentially a certain determined powder distribution within the underlying small hopper 7.
- the resultant tiles will have an appearance simulating marble veining which as the mixer speed is increased becomes increasingly less evident until it disappears.
- the mixer action can be aided by the action of the screw 200 in various ways.
Landscapes
- 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)
- Accessories For Mixers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITRE980062 IT1306079B1 (it) | 1998-06-02 | 1998-06-02 | Dispositivo di alimentazione delle polveri alla pressa di formatura di piastrelle ceramiche |
| ITRE980062 | 1998-06-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0962294A2 true EP0962294A2 (fr) | 1999-12-08 |
| EP0962294A3 EP0962294A3 (fr) | 2001-10-31 |
Family
ID=11399266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99201572A Withdrawn EP0962294A3 (fr) | 1998-06-02 | 1999-05-20 | Dispositif d'alimentation de poudres dans une presse pour la fabrication de carreaux en céramique |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0962294A3 (fr) |
| IT (1) | IT1306079B1 (fr) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1043134A2 (fr) * | 1999-04-09 | 2000-10-11 | Marazzi Gruppo Ceramiche S.p.A. | Methode , dispositif d'alimentation et presse pour la fabrication de carreaux veinés ou avec rayures |
| WO2002007939A1 (fr) * | 2000-07-20 | 2002-01-31 | Lo Scalino S.R.L. | Systeme d'alimentation d'une presse de ceramiques |
| EP1110689A3 (fr) * | 1999-12-21 | 2002-12-18 | Marazzi Gruppo Ceramiche S.p.A. | Presse à tuiles avec un dispositif amélioré d'alimentation |
| WO2005068146A2 (fr) * | 2004-01-08 | 2005-07-28 | Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | Procede et installation de mise en place de poudres pour former des carreaux ou dalles de ceramique |
| EP2406046A1 (fr) * | 2009-03-10 | 2012-01-18 | Luca Toncelli | Appareil et procédé de fabrication de dalles à effet marbré |
| WO2012168197A1 (fr) * | 2011-06-09 | 2012-12-13 | Rekers Verwaltungs Gmbh & Co. Kg | Installation de fabrication de blocs de béton et procédé de fabrication de blocs de béton au moins bicolores |
| US8940223B2 (en) | 2007-03-28 | 2015-01-27 | Luca Toncelli | Method of manufacturing slabs of ceramic material |
| US9174358B2 (en) | 2007-07-16 | 2015-11-03 | Luca Toncelli | Method and apparatus for manufacturing slabs with veined effect |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2097613A (en) * | 1931-07-28 | 1937-11-02 | Bemis Ind Inc | Process and apparatus for making and coloring cement fiber and the like products |
| GB2216839A (en) * | 1988-01-28 | 1989-10-18 | Trend Set Ind International In | Forming and compacting apparatus |
| EP0605930A1 (fr) * | 1993-01-08 | 1994-07-13 | CERAMICA MIRAGE S.p.A. | Procédé pour la fabrication de carreaux pressés à sec, avec son installation de moulage et les carreaux obtenus |
| EP0822044A1 (fr) * | 1996-07-30 | 1998-02-04 | Ceramiche Dual S.r.l. | Dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés et moyens de mise en oeuvre correspondants |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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. |
-
1998
- 1998-06-02 IT ITRE980062 patent/IT1306079B1/it active
-
1999
- 1999-05-20 EP EP99201572A patent/EP0962294A3/fr not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2097613A (en) * | 1931-07-28 | 1937-11-02 | Bemis Ind Inc | Process and apparatus for making and coloring cement fiber and the like products |
| GB2216839A (en) * | 1988-01-28 | 1989-10-18 | Trend Set Ind International In | Forming and compacting apparatus |
| EP0605930A1 (fr) * | 1993-01-08 | 1994-07-13 | CERAMICA MIRAGE S.p.A. | Procédé pour la fabrication de carreaux pressés à sec, avec son installation de moulage et les carreaux obtenus |
| EP0822044A1 (fr) * | 1996-07-30 | 1998-02-04 | Ceramiche Dual S.r.l. | Dispositif d'alimentation pour moules dans les presses pour la fabrication de carreaux en céramique émaillés pressés et moyens de mise en oeuvre correspondants |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1043134A3 (fr) * | 1999-04-09 | 2002-12-18 | Marazzi Gruppo Ceramiche S.p.A. | Methode , dispositif d'alimentation et presse pour la fabrication de carreaux veinés ou avec rayures |
| EP1043134A2 (fr) * | 1999-04-09 | 2000-10-11 | Marazzi Gruppo Ceramiche S.p.A. | Methode , dispositif d'alimentation et presse pour la fabrication de carreaux veinés ou avec rayures |
| EP1110689A3 (fr) * | 1999-12-21 | 2002-12-18 | Marazzi Gruppo Ceramiche S.p.A. | Presse à tuiles avec un dispositif amélioré d'alimentation |
| WO2002007939A1 (fr) * | 2000-07-20 | 2002-01-31 | Lo Scalino S.R.L. | Systeme d'alimentation d'une presse de ceramiques |
| WO2005068146A2 (fr) * | 2004-01-08 | 2005-07-28 | Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | Procede et installation de mise en place de poudres pour former des carreaux ou dalles de ceramique |
| WO2005068146A3 (fr) * | 2004-01-08 | 2005-10-27 | Sacmi | Procede et installation de mise en place de poudres pour former des carreaux ou dalles de ceramique |
| CN1906001B (zh) * | 2004-01-08 | 2010-05-05 | 萨克米伊莫拉机械合作社合作公司 | 用于预布置形成瓷砖或板的粉末的方法和设备 |
| US8940223B2 (en) | 2007-03-28 | 2015-01-27 | Luca Toncelli | Method of manufacturing slabs of ceramic material |
| US9174358B2 (en) | 2007-07-16 | 2015-11-03 | Luca Toncelli | Method and apparatus for manufacturing slabs with veined effect |
| US11045973B2 (en) | 2007-07-16 | 2021-06-29 | Luca Toncelli | Apparatus for manufacturing slabs with veined effect |
| EP2406046A1 (fr) * | 2009-03-10 | 2012-01-18 | Luca Toncelli | Appareil et procédé de fabrication de dalles à effet marbré |
| EP2406046B1 (fr) * | 2009-03-10 | 2016-08-10 | Luca Toncelli | Appareil et procédé de fabrication de dalles à effet marbré |
| US9579821B2 (en) | 2009-03-10 | 2017-02-28 | Luca Toncelli | Apparatus and method for manufacturing slabs with a veined effect |
| CN103702812A (zh) * | 2011-06-09 | 2014-04-02 | 雷克尔斯管理公司 | 混凝土砌块生产装置和用于生产至少两色混凝土砌块的方法 |
| US20140138876A1 (en) * | 2011-06-09 | 2014-05-22 | Rekers Verwaltungs-GmbH & Co. KG | Concrete block producing device and method for producing at least two-coloured concrete blocks |
| WO2012168197A1 (fr) * | 2011-06-09 | 2012-12-13 | Rekers Verwaltungs Gmbh & Co. Kg | Installation de fabrication de blocs de béton et procédé de fabrication de blocs de béton au moins bicolores |
| CN103702812B (zh) * | 2011-06-09 | 2016-01-13 | 雷克尔斯管理公司 | 混凝土砌块生产装置和用于生产至少两色混凝土砌块的方法 |
| RU2572874C2 (ru) * | 2011-06-09 | 2016-01-20 | Рекерс Фервальтунгс Гмбх Унд Ко. Кг | Устройство для изготовления бетонных камней и способ получения по меньшей мере двухцветных бетонных камней |
| US9636842B2 (en) | 2011-06-09 | 2017-05-02 | Rekers Verwaltungs-GmbH & Co. KG | Concrete block producing device and method for producing at least two-coloured concrete blocks |
Also Published As
| Publication number | Publication date |
|---|---|
| ITRE980062A1 (it) | 1999-12-02 |
| IT1306079B1 (it) | 2001-05-29 |
| EP0962294A3 (fr) | 2001-10-31 |
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