EP1211034B1 - Tile press with belt charging devices - Google Patents

Tile press with belt charging devices Download PDF

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Publication number
EP1211034B1
EP1211034B1 EP20010204435 EP01204435A EP1211034B1 EP 1211034 B1 EP1211034 B1 EP 1211034B1 EP 20010204435 EP20010204435 EP 20010204435 EP 01204435 A EP01204435 A EP 01204435A EP 1211034 B1 EP1211034 B1 EP 1211034B1
Authority
EP
European Patent Office
Prior art keywords
belt
mold
press
ridges
carriage
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
EP20010204435
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1211034A3 (en
EP1211034A2 (en
Inventor
Filippo Marazzi
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.)
Marazzi Group SRL
Original Assignee
Marazzi Group 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 Marazzi Group SRL filed Critical Marazzi Group SRL
Publication of EP1211034A2 publication Critical patent/EP1211034A2/en
Publication of EP1211034A3 publication Critical patent/EP1211034A3/en
Application granted granted Critical
Publication of EP1211034B1 publication Critical patent/EP1211034B1/en
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
    • 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

  • the present invention relates to a press for tile pressing molds having an innovative charging device and in particular for creating colored streaks and veins in the mass.
  • WO 98/23424 discloses a press according to the preamble of claim 1, with a conveyor belt movable to carry powders from a powder feeding unit to the discharge position over the mold.
  • a further, widely used system consists of a drawer with dimensions similar to the cavity of the mold to be filled.
  • the drawer is open at the bottom and has rods for drawing the powders to be pressed. It runs on a plane from a charging position outside the mold to a dumping position vertically above the mold where the powders are dumped.
  • the drawer includes a powered belt which receives the powders and dumps them from its lead end into the mold.
  • the general purpose of the present invention is to remedy the above mentioned shortcomings by making available a press with a charging device allowing satisfactory powder distribution in the mold in particular when there is a plurality of powders for providing streaks and color variations in the tile mass.
  • Figure 1 and 2 show diagrammatically a press for pressing tiles designated as a whole by reference number 10 and comprising a pressing mold 11 arranged between press plates 12, 13 and a charging device 14.
  • the charging device comprises a charging carriage 15 powered to be movable between the charging position shown in solid lines in Fig. 1 outside the press plates and a position partially shown in hatching of dumping into the mold.
  • a conveyor belt 16 powered to run on command, possibly on a supporting table 17, between transmission rollers 18, 19 arranged at the head and tail of the carriage in relation to the carriage's movement into and out of the press plates.
  • the belt should be at least as wide as the mold compartment.
  • the charging device comprises a hopper feeding unit 20 which dumps the powders for making the tile onto the belt below.
  • This feed unit is basically prior art and therefore not further described nor shown. It should include dumping hoppers for the various powders it is desired to use in making the tiles. For example, there may be provided a main hopper to dump the powder for making the tile mass and at least one secondary hopper to dump powder for making the streaks or veining in the mass. Dumping from the hoppers should take place in quantities and at intervals differing according to the specific aesthetic effect it is desired to obtain.
  • the carriage advantageously comprises a scraper 21 and a powered brush 22 for cleaning the mold while the carriage is travelling.
  • the surface of the belt which receives the powder comprises ridges 23 protruding from the surface.
  • the ridges can have various forms depending on the effect it is desired to achieve.
  • Fig. 2 shows ridges 23 arranged on the belt along transverse lines.
  • Figures 3 and 5 show ridges which are, respectively, inclined and straight, inclined and wavy or directed along lines arranged variously to mutually intersect on the belt surface more or less randomly.
  • Figures 6 and 7 show variant embodiments of the structure of the ridges allowing the belt to turn around the transmission rollers.
  • the ridges are broken at intervals so as to form segments which open when the belt bends around the rollers.
  • rollers are unbroken and made of relatively yielding material such as for example rubber to allow their distortion and lowering on the belt when the belt bends on the rollers.
  • This second embodiment was found to be particularly beneficial to gain a more diffuse dumping effect of the powders and improve the aesthetic result when it is desired to obtain a shaded streaked color effect in the tile mass.
  • the ridges can be molded in a single piece with the belt or attached in a way readily imaginable to those skilled in the art.
  • Fig. 8 shows a plan view of a variant embodiment of the press in which a mold with multiple cavities (11a, 11b, 11c) for performing multiple pressings is provided.
  • the charging device consequently comprises a belt conveyor 14 broad enough to feed all the side by side cavities.
  • Fig. 8 also shows additional ridges 25 transversal to the belt and arranged with a pitch virtually equal to the length of the mold in the direction of movement of the belt.
  • powder dumping will be synchronized with the belt movement in such a manner that the space delimited between two transversal ridges 25 will receive all the powder intended for a cavity.
  • the carriage is retracted to the starting position of Fig. 1 .
  • the carriage is operated to advance towards the mold and simultaneously the feed unit 20 discharges the necessary powders with the desired arrangement for tile production. In this manner the belt passes beneath the hopper which dumps and the powder is distributed along the belt.
  • Discharging of the powders from the hopper terminates when the desired amount of powder is reached while advancing movement of the carriage terminates when the carriage has travelled the entire mold and the belt has reached its extreme advanced position as shown hatched in Fig. 1 .
  • the carriage is commanded to return to its starting or charging position and during the return travel of the carriage the belt is made to run forward at a speed virtually equal to the carriage movement speed.
  • the powders on the belt are dumped uniformly in the mold.
  • the speed of rotation of the belt is equal to the return speed of the carriage, the relative speed of the powders is practically null with the powders falling vertically into the mold to avoid the dragging effects of prior art drawer devices.
  • the ridges could be obtained either by cutting the belt in low relief, molding it directly with the ridges, or adding the ridges on its surface later.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
EP20010204435 2000-11-24 2001-11-21 Tile press with belt charging devices Expired - Lifetime EP1211034B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI202537 2000-11-24
ITMI20002537 IT1320102B1 (it) 2000-11-24 2000-11-24 Pressa per la realizzazione di piastrelle, dotata di dispositivi dicaricamento a nastro.

Publications (3)

Publication Number Publication Date
EP1211034A2 EP1211034A2 (en) 2002-06-05
EP1211034A3 EP1211034A3 (en) 2003-06-11
EP1211034B1 true EP1211034B1 (en) 2015-05-06

Family

ID=11446140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010204435 Expired - Lifetime EP1211034B1 (en) 2000-11-24 2001-11-21 Tile press with belt charging devices

Country Status (3)

Country Link
EP (1) EP1211034B1 (it)
ES (1) ES2544227T3 (it)
IT (1) IT1320102B1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRE20030082A1 (it) * 2003-09-15 2005-03-16 Sacmi Metodo ed impianto per la formatura di piastrelle o lastre ceramiche.
ITMO20050106A1 (it) * 2005-04-29 2006-10-30 R P Srl Apparato, e metodo, per l'alimentazione di stampi pressa, nella formatura di piastrelle o prodotti simili.
ITFI20070041A1 (it) * 2007-02-20 2008-08-21 O C E M Officina Costruzioni Elettro Meccaniche Attrezzatura per alimentare il materiale agli stampi per mattonelle di graniglia e cemento.
CN101049712B (zh) * 2007-05-11 2011-02-09 付振顶 保温砌模块翻转成型机
CN102303356B (zh) * 2011-09-05 2013-06-19 佛山市河之舟机电有限公司 在抛光砖面形成纵横线条的布料方法及其设备
CN103465362B (zh) * 2013-09-17 2016-01-27 佛山市卓益机电有限公司 一种能生产高仿真天然石材的布料设备
CN103481359B (zh) * 2013-10-15 2015-08-05 浙江天晟建材集团有限公司 一种混凝土布料及输送系统
CN103878866B (zh) * 2014-02-19 2016-09-14 山东中润锦华节能科技有限公司 一种用于水玻璃膨胀玻化微珠轻质保温板生产的自动压制成型系统
CN104118037A (zh) * 2014-07-18 2014-10-29 佛山市东鹏陶瓷有限公司 一种超细线条纹理的履带式造型布料喷浆装置
CN104118042B (zh) * 2014-07-18 2017-03-01 佛山市东鹏陶瓷有限公司 一种超细线条纹理的履带式造型布料喷浆工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1210289B (it) * 1987-05-14 1989-09-14 Co Em Spa Dispositivo per il caricamento automatico ed uniforme degli stampi di presse per la formazione di manufatti ceramici,in particolare piastrelle
IT1287505B1 (it) * 1996-11-22 1998-08-06 Algeri Maris Metodo e mezzi per la pressatura di piastrelle ceramiche.
EP1097911A3 (en) * 1999-11-05 2003-12-10 Lo Scalino S.R.L. Decorated ceramic tiles, apparatus and method for decorating the same

Also Published As

Publication number Publication date
EP1211034A3 (en) 2003-06-11
ITMI20002537A1 (it) 2002-05-24
ES2544227T3 (es) 2015-08-28
IT1320102B1 (it) 2003-11-18
EP1211034A2 (en) 2002-06-05

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