EP0290953A1 - Device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles - Google Patents
Device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles Download PDFInfo
- Publication number
- EP0290953A1 EP0290953A1 EP88107207A EP88107207A EP0290953A1 EP 0290953 A1 EP0290953 A1 EP 0290953A1 EP 88107207 A EP88107207 A EP 88107207A EP 88107207 A EP88107207 A EP 88107207A EP 0290953 A1 EP0290953 A1 EP 0290953A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- molds
- hopper
- framework
- constituted
- middle plate
- 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
Links
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
-
- 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
- B28B13/029—Feeding the unshaped material to moulds or apparatus for producing shaped articles through a sieve or grid, e.g. to ensure evenly filling of cavities
Definitions
- the present invention relates to a device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles.
- presses adapted to form tiles; among these, some are of the so-called rotary type, i.e. presses the molds whereof are provided horizontally in a step-by-step motorized rotor assembly; the latter rotates immediately below the pressing assemblies and forms the raw tiles.
- rotary type i.e. presses the molds whereof are provided horizontally in a step-by-step motorized rotor assembly; the latter rotates immediately below the pressing assemblies and forms the raw tiles.
- the abovementioned type of press is operatively very fast, but however requires feeding assemblies for filling the molds, or assemblies for directly spreading dry enamels on the molds already filled with clay or other material. These assemblies must perform this operation in a rapid and uniform manner, filling even the corners of said molds, this operation being heretofore very complicated due to the circular arrangement of these last and to the similar trajectory which they trace during the operation of said press.
- the technical aim of the present invention is to eliminate the above described disadvantages by providing a device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles, which is capable of operating at great speed providing, at the same time, the desired accurate and complete filling of said molds.
- a device for automatic and uniform loading of the molds of presses for forming ceramic articles, in particular tiles characterized in that it comprises a material feed assembly which is movable alternately backwards and forwards and has its output front overlying an accumulation hopper which is supported by a related independent framework and has its bottom constituted by three perforated plates, in sliding contact with one another, a first upper fixed one, a second middle movable one actuated by related means, and a third fixed lower one, immediately underlying said hopper there being provided a grid for spreading the material, interposed between the hopper and the molds of the press and actuated horizontally vibrating by independent elements associated with said framework.
- 1 generally indicates a device for automatic and uniform loading of molds 2 of presses 3 for the formation of ceramic articles, in particular tiles.
- Said device 1 comprises an assembly 4 for feeding material 5, which is constituted by a conveyor belt 6 movable alternately backwards and forwards on related carriages 7 which are slideably guided on horizontal rails 8 or the like and pushed by means 9, preferably of the conventional fluidodynamic type.
- the output front 6a of the conveyor 6 overlies a small accumulation hopper 10 which is supported by a related framework 11 and has its bottom constituted by three plates, a first upper one 10a, a second middle one 10b and a third lower one 10c, provided with through holes, respectively 12, 13 and 14 with preset diameters, said plates being fitted in sliding contact with one another, the first and third thereof being fixed and the second middle one movable, actuated by related means 15.
- a small horizontal vibrating grid 16 is provided for spreading the material 5, said grid being moved by related independent elements 17, also coupled to the framework 11.
- Said means 15 are constituted, in the preferred embodiment, essentially by a fluidodynamic cylinder 18 which has an end 18a rigidly associated with said framework 11 and the opposite end 18b articulated to an edge of the second middle plate 10b.
- the material 5 is conveyed towards the small hopper 10 by the conveyor belt 6 which is moved backwards and forwards by the conventional fluidodynamic means 9 and is supported, partially protruding, by the carriages 7 which are slideable on the horizontal rails 8 or equivalent devices.
- the operation of the cylinder 18 is normally controlled by sensors for the passage of the molds 2 below the small hopper 10 and, in a second operation step, the cylinder 18 moves the second middle plate 10b so that its holes 13 are axially aligned with the holes 14 of the third lower plate 10c; in this movement the material 5 accumulated in the abovesaid chambers is progressively carried along and moved towards the holes 14 through which it falls into the underlying mold 2 after passing through the vibrating grid 16 which provides a uniform spreading.
- the second middle plate 10b acts as bottom for the upper one 10a, closing its holes 12 and allowing the accumulation of further material in the small hopper 10.
- the cylinder 1 returns the second middle plate 10b to the preceding position, again aligning its holes 13 with the holes 12 of the upper one and thus repositioning itself for the above described operating cycle.
- the device according to the invention is used for spreading powdered enamel on already-filled molds, it allows the production of new and pleasant chromatic variegations on the surface of the tiles both by intervening, as mentioned, on the diameter of the holes and on their form and/or distribution, and on the loading action of the conveyor 6 into the hopper 10; it is furthermore possible to achieve a deeper interpenetration of said enamels into the material, with consequent production of tiles having a surface colouring thicker and hence considerably more resistant to the wear of time than those currently manufactured.
Abstract
Description
- The present invention relates to a device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles.
- The use is known, in the ceramics industry, of presses adapted to form tiles; among these, some are of the so-called rotary type, i.e. presses the molds whereof are provided horizontally in a step-by-step motorized rotor assembly; the latter rotates immediately below the pressing assemblies and forms the raw tiles. The abovementioned type of press is operatively very fast, but however requires feeding assemblies for filling the molds, or assemblies for directly spreading dry enamels on the molds already filled with clay or other material. These assemblies must perform this operation in a rapid and uniform manner, filling even the corners of said molds, this operation being heretofore very complicated due to the circular arrangement of these last and to the similar trajectory which they trace during the operation of said press.
- On the other hand, the above described problem has also occurred in presses with ordinary configuration.
- The technical aim of the present invention is to eliminate the above described disadvantages by providing a device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles, which is capable of operating at great speed providing, at the same time, the desired accurate and complete filling of said molds.
- This aim, as well as other objects, are achieved by a device for automatic and uniform loading of the molds of presses for forming ceramic articles, in particular tiles, characterized in that it comprises a material feed assembly which is movable alternately backwards and forwards and has its output front overlying an accumulation hopper which is supported by a related independent framework and has its bottom constituted by three perforated plates, in sliding contact with one another, a first upper fixed one, a second middle movable one actuated by related means, and a third fixed lower one, immediately underlying said hopper there being provided a grid for spreading the material, interposed between the hopper and the molds of the press and actuated horizontally vibrating by independent elements associated with said framework.
- Further characteristics and advantages of the invention will become apparent from the description of a preferred, but not exclusive, embodiment of a device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles, illustrated only by way of non-limitative example in the accompanying drawings, wherein:
- figure 1 is a schematic lateral view of the invention;
- figure 2 is a schematic top view thereof;
- figures 3 and 4 are enlarged-scale views of a small accumulation hopper in two configurations of use.
- With particular reference to the above described figures, 1 generally indicates a device for automatic and uniform loading of
molds 2 ofpresses 3 for the formation of ceramic articles, in particular tiles. - Said device 1 comprises an
assembly 4 forfeeding material 5, which is constituted by a conveyor belt 6 movable alternately backwards and forwards onrelated carriages 7 which are slideably guided onhorizontal rails 8 or the like and pushed by means 9, preferably of the conventional fluidodynamic type. - The
output front 6a of the conveyor 6 overlies asmall accumulation hopper 10 which is supported by arelated framework 11 and has its bottom constituted by three plates, a firstupper one 10a, a second middle one 10b and a third lower one 10c, provided with through holes, respectively 12, 13 and 14 with preset diameters, said plates being fitted in sliding contact with one another, the first and third thereof being fixed and the second middle one movable, actuated byrelated means 15. - Immediately underlying the
small hopper 10 a small horizontal vibratinggrid 16 is provided for spreading thematerial 5, said grid being moved by relatedindependent elements 17, also coupled to theframework 11. - Said means 15 are constituted, in the preferred embodiment, essentially by a
fluidodynamic cylinder 18 which has anend 18a rigidly associated with saidframework 11 and the opposite end 18b articulated to an edge of thesecond middle plate 10b. - The operation of the device is intuitively understandable from the preceding description: the
material 5 is conveyed towards thesmall hopper 10 by the conveyor belt 6 which is moved backwards and forwards by the conventional fluidodynamic means 9 and is supported, partially protruding, by thecarriages 7 which are slideable on thehorizontal rails 8 or equivalent devices. - This movement leads to the progressive filling of the
small hopper 10, the bottom whereof has in this step theholes 12 of the firstupper plate 10a and theones 13 of thesecond middle plate 10b mutually aligned so as to drop a preset volumetric amount, according to the diameter of said holes, ofmaterial 5 in the sort of vertical chambers which are created; in this step, the third lower plate 10c acts as closed bottom having itsown holes 14 axially offset with respect to theholes - The operation of the
cylinder 18 is normally controlled by sensors for the passage of themolds 2 below thesmall hopper 10 and, in a second operation step, thecylinder 18 moves thesecond middle plate 10b so that itsholes 13 are axially aligned with theholes 14 of the third lower plate 10c; in this movement thematerial 5 accumulated in the abovesaid chambers is progressively carried along and moved towards theholes 14 through which it falls into theunderlying mold 2 after passing through the vibratinggrid 16 which provides a uniform spreading. - In said second step, the
second middle plate 10b acts as bottom for theupper one 10a, closing itsholes 12 and allowing the accumulation of further material in thesmall hopper 10. - When the
mold 2 is complete, the cylinder 1 returns thesecond middle plate 10b to the preceding position, again aligning itsholes 13 with theholes 12 of the upper one and thus repositioning itself for the above described operating cycle. - This leads to a uniform and complete filling of the molds in every part, particularly the corners, so that the subsequent pressing action is exactly perpendicular to the entire surface of the material and the tile produced is free from imperfections of any kind.
- Furthermore, by presetting the diameters of the
holes material 5 to be spread into each mold. - It should be noted that if the device according to the invention is used for spreading powdered enamel on already-filled molds, it allows the production of new and pleasant chromatic variegations on the surface of the tiles both by intervening, as mentioned, on the diameter of the holes and on their form and/or distribution, and on the loading action of the conveyor 6 into the
hopper 10; it is furthermore possible to achieve a deeper interpenetration of said enamels into the material, with consequent production of tiles having a surface colouring thicker and hence considerably more resistant to the wear of time than those currently manufactured. - In practice it has been observed that the invention thus described achieves the intended aims.
- The invention thus conceived is susceptible to numerous modifications and variations, all of which are within the scope of the inventive concept.
- Furthermore, all the details may be replaced with other technically equivalent elements.
- In practice, the materials employed, as well as the dimensions, may be any according to the requirements, without thereby abandoning the scope of the protection of the following claims.
- Where technical features mentioned in any claim are followed by reference signs, those reference signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly, such reference signs do not have any limiting effect on the scope of each element identified by way of example by such reference signs.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88107207T ATE69994T1 (en) | 1987-05-14 | 1988-05-05 | DEVICE FOR AUTOMATIC AND EVEN FILLING OF PRESS MOLDS WHEN MOLDING CERAMIC OBJECTS, ESPECIALLY TILES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT4005287 | 1987-05-14 | ||
IT8740052A IT1210289B (en) | 1987-05-14 | 1987-05-14 | DEVICE FOR AUTOMATIC AND UNIFORM LOADING OF MOLDS OF PRESSES FOR THE FORMATION OF CERAMIC MANUFACTURES, IN PARTICULAR TILES |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0290953A1 true EP0290953A1 (en) | 1988-11-17 |
EP0290953B1 EP0290953B1 (en) | 1991-12-04 |
Family
ID=11247243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88107207A Expired - Lifetime EP0290953B1 (en) | 1987-05-14 | 1988-05-05 | Device for automatic and uniform loading of molds of presses for forming ceramic articles, in particular tiles |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0290953B1 (en) |
AT (1) | ATE69994T1 (en) |
DE (1) | DE3866585D1 (en) |
ES (1) | ES2027724T3 (en) |
IT (1) | IT1210289B (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281023A2 (en) * | 1987-03-02 | 1988-09-07 | Veb Kombinat Robotron | Apparatus for the controlled and closed filling of press moulds with a metallic powder |
WO1993004851A1 (en) * | 1991-09-06 | 1993-03-18 | Alusuisse-Lonza Services Ag | Device for compacting bulk material |
FR2695061A1 (en) * | 1992-08-28 | 1994-03-04 | Henke Maschinenfabrik Gmbh Co | Dosing device for a formwork machine for concrete slabs. |
EP1260336A1 (en) * | 2001-05-23 | 2002-11-27 | Jérôme Pousse | Device for distributing a predetermined dose of concrete in a mould cavity, especially for making of tiles |
EP1211034A3 (en) * | 2000-11-24 | 2003-06-11 | Marazzi Gruppo Ceramiche S.p.A. | Tile press with belt charging devices |
CN102120335A (en) * | 2010-11-30 | 2011-07-13 | 霍镰泉 | Distributing equipment for ceramic micro-powder bricks |
WO2013175185A2 (en) * | 2012-05-24 | 2013-11-28 | Glasseco Llc | Method of manufacturing a surface apparatus |
CN105773822A (en) * | 2014-12-24 | 2016-07-20 | 佛山市宝航机械装备行业知识产权服务有限公司 | Tile distributing device |
GB2546959A (en) * | 2015-12-02 | 2017-08-09 | Glasseco Llc | Apparatus for distributing aggregate material |
US20210069933A1 (en) * | 2018-09-30 | 2021-03-11 | Dongguan City Wonderful Ceramics Industrial Park Co., Ltd. | Mechanical arm material distribution equipment capable of realizing consistence between a whole-body texture and a surface decoration pattern of ceramic tile and control method for mechanical arm material distribution and pattern adjustment |
CN113733795A (en) * | 2021-09-13 | 2021-12-03 | 九江市六小龙实业股份有限公司 | A processingequipment decorates for shoulder pad |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1280079B1 (en) * | 1995-07-20 | 1997-12-29 | Emilceramica S P A | DOUBLE LOADING TROLLEY FOR CERAMIC MOLDS FOR THE FORMING OF MULTI-LAYER PRESSED AND SINGLE-PRESSED GLAZED TILES. |
CN106696071A (en) * | 2017-01-03 | 2017-05-24 | 佛山石湾华鹏陶瓷有限公司 | Ceramic tile batching system and production method using same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3025511A1 (en) * | 1979-10-02 | 1981-04-16 | Bauakademie Der Deutschen Demokratischen Republik, Ddr 1125 Berlin | FILLING DEVICE FOR PRODUCING CONCRETE ELEMENTS |
US4321028A (en) * | 1979-08-09 | 1982-03-23 | Societe D'exploitation Des Establishments Minato | Concrete molding apparatus including reciprocating belt feeder |
DE3151654A1 (en) * | 1981-01-02 | 1982-07-15 | Longinotti S.p.A., Sesto Fiorentino, Firenze | Apparatus for metering and feeding loose, preferably semi-dry, material into a mould of a machine for producing tiles, in particular cement tiles |
-
1987
- 1987-05-14 IT IT8740052A patent/IT1210289B/en active
-
1988
- 1988-05-05 AT AT88107207T patent/ATE69994T1/en active
- 1988-05-05 ES ES198888107207T patent/ES2027724T3/en not_active Expired - Lifetime
- 1988-05-05 DE DE8888107207T patent/DE3866585D1/en not_active Expired - Fee Related
- 1988-05-05 EP EP88107207A patent/EP0290953B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4321028A (en) * | 1979-08-09 | 1982-03-23 | Societe D'exploitation Des Establishments Minato | Concrete molding apparatus including reciprocating belt feeder |
DE3025511A1 (en) * | 1979-10-02 | 1981-04-16 | Bauakademie Der Deutschen Demokratischen Republik, Ddr 1125 Berlin | FILLING DEVICE FOR PRODUCING CONCRETE ELEMENTS |
DE3151654A1 (en) * | 1981-01-02 | 1982-07-15 | Longinotti S.p.A., Sesto Fiorentino, Firenze | Apparatus for metering and feeding loose, preferably semi-dry, material into a mould of a machine for producing tiles, in particular cement tiles |
Non-Patent Citations (1)
Title |
---|
Soviet Inventions Illustrated, Section P,Q, Week 83/33, September 28, 1983 Derwent Publications Ltd., London P64; & SU-A-965 777 (Odess Nikolaev Eng) 15 October 1982 * |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281023A2 (en) * | 1987-03-02 | 1988-09-07 | Veb Kombinat Robotron | Apparatus for the controlled and closed filling of press moulds with a metallic powder |
EP0281023A3 (en) * | 1987-03-02 | 1990-02-14 | Veb Kombinat Robotron | Apparatus for the controlled and closed filling of press moulds with a metallic powder |
WO1993004851A1 (en) * | 1991-09-06 | 1993-03-18 | Alusuisse-Lonza Services Ag | Device for compacting bulk material |
FR2695061A1 (en) * | 1992-08-28 | 1994-03-04 | Henke Maschinenfabrik Gmbh Co | Dosing device for a formwork machine for concrete slabs. |
BE1006572A3 (en) * | 1992-08-28 | 1994-10-18 | Henke Maschf Gmbh | Metering device for a machine concrete formwork plates. |
EP1211034A3 (en) * | 2000-11-24 | 2003-06-11 | Marazzi Gruppo Ceramiche S.p.A. | Tile press with belt charging devices |
EP1260336A1 (en) * | 2001-05-23 | 2002-11-27 | Jérôme Pousse | Device for distributing a predetermined dose of concrete in a mould cavity, especially for making of tiles |
FR2825044A1 (en) * | 2001-05-23 | 2002-11-29 | Jerome Pousse | DEVICE FOR DISTRIBUTING A PREDETERMINED DOSE OF CONCRETE INSIDE A MOLD, IN PARTICULAR FOR THE MANUFACTURE OF FACING SLABS |
CN102120335A (en) * | 2010-11-30 | 2011-07-13 | 霍镰泉 | Distributing equipment for ceramic micro-powder bricks |
CN102120335B (en) * | 2010-11-30 | 2012-12-05 | 霍镰泉 | Distributing equipment for ceramic micro-powder bricks |
WO2013175185A2 (en) * | 2012-05-24 | 2013-11-28 | Glasseco Llc | Method of manufacturing a surface apparatus |
WO2013175185A3 (en) * | 2012-05-24 | 2014-01-30 | Glasseco Llc | Method of manufacturing a surface apparatus and apparatus therefore |
US20150151456A1 (en) * | 2012-05-24 | 2015-06-04 | Glasseco Llc | Method of manufacturing a surface apparatus and apparatus therefore |
CN105773822A (en) * | 2014-12-24 | 2016-07-20 | 佛山市宝航机械装备行业知识产权服务有限公司 | Tile distributing device |
GB2546959A (en) * | 2015-12-02 | 2017-08-09 | Glasseco Llc | Apparatus for distributing aggregate material |
US20210069933A1 (en) * | 2018-09-30 | 2021-03-11 | Dongguan City Wonderful Ceramics Industrial Park Co., Ltd. | Mechanical arm material distribution equipment capable of realizing consistence between a whole-body texture and a surface decoration pattern of ceramic tile and control method for mechanical arm material distribution and pattern adjustment |
US11639013B2 (en) * | 2018-09-30 | 2023-05-02 | Dongguan City Wonderful Ceramics Industrial Park Co., Ltd. | Mechanical arm material distribution equipment capable of realizing consistence between a whole-body texture and a surface decoration pattern of ceramic tile and control method for mechanical arm material distribution and pattern adjustment |
CN113733795A (en) * | 2021-09-13 | 2021-12-03 | 九江市六小龙实业股份有限公司 | A processingequipment decorates for shoulder pad |
Also Published As
Publication number | Publication date |
---|---|
ATE69994T1 (en) | 1991-12-15 |
EP0290953B1 (en) | 1991-12-04 |
IT8740052A0 (en) | 1987-05-14 |
ES2027724T3 (en) | 1992-06-16 |
DE3866585D1 (en) | 1992-01-16 |
IT1210289B (en) | 1989-09-14 |
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