EP0519373A1 - Dispositif pour le chargement du matériau en poudre dans les moules des presses pour matière céramique - Google Patents

Dispositif pour le chargement du matériau en poudre dans les moules des presses pour matière céramique Download PDF

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Publication number
EP0519373A1
EP0519373A1 EP92110054A EP92110054A EP0519373A1 EP 0519373 A1 EP0519373 A1 EP 0519373A1 EP 92110054 A EP92110054 A EP 92110054A EP 92110054 A EP92110054 A EP 92110054A EP 0519373 A1 EP0519373 A1 EP 0519373A1
Authority
EP
European Patent Office
Prior art keywords
slider
hopper
powder
molds
moveable
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
Application number
EP92110054A
Other languages
German (de)
English (en)
Other versions
EP0519373B1 (fr
Inventor
Rodiero Alieri
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.)
Sacmi Imola SC
Original Assignee
Sacmi Imola SC
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 Sacmi Imola SC filed Critical Sacmi Imola SC
Publication of EP0519373A1 publication Critical patent/EP0519373A1/fr
Application granted granted Critical
Publication of EP0519373B1 publication Critical patent/EP0519373B1/fr
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
    • B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities

Definitions

  • the present invention relates to a device for loading powder in molds of ceramic presses.
  • the technical aim of the present invention is therefore to provide a device which allows to load the molds of ceramic presses without the above described problems.
  • a device which comprises a powder transfer slider moveable along a horizontal plane between a position for receiving powder from a hopper and a position of superimposition on the mold in order to fill the forming chamber, characterized in that said hopper is moveable above said slider when said slider is in said receiving position and is provided with a variable-aperture discharge outlet for distributing the powder in said slider during the movements of the hopper.
  • the reference numeral 1 designates a generic press for manufacturing ceramic tiles.
  • the press comprises, in a manner which is known and therefore not described in detail, a base 2 from which vertical guiding posts 3 for an upper cross-member 4 rise; said cross-member 4 supports the pressing punches 5.
  • the forming mold is arranged on the base 2 and is composed of an annular matrix die 6 which surrounds the counterpunches 7. Said counterpunches 7 are moveable between a raised level, at which they are co-planar with the upper face of the matrix die, and a lowered level, in which they define, together with the matrix die, the chambers 8 into which the powder to be pressed must be introduced.
  • the powder is transferred into the chambers 8 by a slider 9 which is associated with the loading device, generally designated by the reference numeral 10, and is slideable on a surface 11 which is coplanar with the matrix die 6.
  • the loading device comprises a carriage 12 which supports a hopper 13 having a lower discharge outlet 14 controlled by a valve 15.
  • a secondary hopper 16 leads, in an upward position, into the hopper 13, is rigidly associated with said hopper and is capable of keeping a constant level of powder inside said hopper 13.
  • the secondary hopper 16 is, in any case, not indispensable for the correct functionality of the device.
  • the valve 15 comprises a shutter 18 which is articulated to the hopper about an axis 19 and is actuated by means of an actuator 20 which is constituted by a cylinder whose jacket is articulated to the hopper 13 and whose stem is articulately coupled to the shutter 18.
  • the carriage 12 which supports the hopper slides on rails 22 by means of wheels 21 and is actuated between the two positions shown in the figure in solid lines and in broken lines by means of an actuator, not shown, with the possibility of assuming variable speeds between said two positions.
  • the shutter 18 is actuated again in the position for closing the outlet 14, so that when the cross-member 4 of the press has risen, the slider 9 can be transferred above the matrix die in order to deposit the subsequent dose of powder in the chamber 8. Meanwhile, the device 10 has returned to its initial position, close to the press, ready to resume the cycle in the above described manner. It is also possible to provide that the loading of the slider 9, when it is over the surface 11, occurs once during the forward stroke of the device 10 and once during its return stroke.
  • the carriage 12 is moved at a variable speed in order to ensure a different distribution of the powder in the slider.
  • the above described invention allows to obtain substantial advantages by virtue of the fact that the slider is loaded during the pressing step and thus in a period of time which is long enough to ensure perfect control of the distribution of the powder which is contained in the slider 9 and is then discharged into the forming chamber 8.

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)
EP92110054A 1991-06-20 1992-06-15 Dispositif pour le chargement du matériau en poudre dans les moules des presses pour matière céramique Expired - Lifetime EP0519373B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO910218 1991-06-20
ITBO910218A IT1248243B (it) 1991-06-20 1991-06-20 Dispositivo per il caricamento con polvere degli stampi in presse ceramiche.

Publications (2)

Publication Number Publication Date
EP0519373A1 true EP0519373A1 (fr) 1992-12-23
EP0519373B1 EP0519373B1 (fr) 1996-04-03

Family

ID=11337598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92110054A Expired - Lifetime EP0519373B1 (fr) 1991-06-20 1992-06-15 Dispositif pour le chargement du matériau en poudre dans les moules des presses pour matière céramique

Country Status (4)

Country Link
EP (1) EP0519373B1 (fr)
DE (1) DE69209567T2 (fr)
ES (1) ES2086582T3 (fr)
IT (1) IT1248243B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2144969A1 (es) * 1997-10-10 2000-06-16 Gruppo Tecnoferrari Spa Equipo para la alimentacion de polvos a un prensa formadora, en particular de azulejos ceramicos.
WO2003022543A1 (fr) * 2001-09-07 2003-03-20 Guoquan Huang Procede et unite a double distribution permettant la formation de carreaux de ceramique et produits obtenus conformement audit precede
CN105252639A (zh) * 2015-11-27 2016-01-20 简军 一种自动布料设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRE20010047A1 (it) 2001-05-08 2002-11-08 Sacmi Impianto per la formatura di piastrelle ceramiche di grandi dimensioni, e metodo

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532497C (de) * 1930-04-25 1931-08-28 Th Groke Akt Ges Pendelverschluss an sich selbsttaetig oeffnenden und schliessenden Fuellvorrichtungen fuer mechanisch oder hydraulisch betriebene Steinpressen
GB588856A (en) * 1945-02-10 1947-06-04 Whittaker & Company Ltd C Improvements in or relating to semi-plastic brick making machines
US2957222A (en) * 1954-11-23 1960-10-25 Zmania Leo Apparatus for producing concrete blocks and the like
US3041701A (en) * 1959-03-04 1962-07-03 Gates Major Earl Brick press
FR2017697A1 (fr) * 1968-09-10 1970-05-22 Dolomitwerke Gmbh
DE3332969A1 (de) * 1983-09-13 1985-03-28 Laeis-Werke Ag, 5500 Trier Verfahren und vorrichtung zum befuellen eines hin- und herbeweglichen fuellschiebers einer formpresse mit pressmasse
FR2636658A1 (fr) * 1988-09-16 1990-03-23 Demler Sa Ets Machine pour le moulage de produits en beton

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532497C (de) * 1930-04-25 1931-08-28 Th Groke Akt Ges Pendelverschluss an sich selbsttaetig oeffnenden und schliessenden Fuellvorrichtungen fuer mechanisch oder hydraulisch betriebene Steinpressen
GB588856A (en) * 1945-02-10 1947-06-04 Whittaker & Company Ltd C Improvements in or relating to semi-plastic brick making machines
US2957222A (en) * 1954-11-23 1960-10-25 Zmania Leo Apparatus for producing concrete blocks and the like
US3041701A (en) * 1959-03-04 1962-07-03 Gates Major Earl Brick press
FR2017697A1 (fr) * 1968-09-10 1970-05-22 Dolomitwerke Gmbh
DE3332969A1 (de) * 1983-09-13 1985-03-28 Laeis-Werke Ag, 5500 Trier Verfahren und vorrichtung zum befuellen eines hin- und herbeweglichen fuellschiebers einer formpresse mit pressmasse
FR2636658A1 (fr) * 1988-09-16 1990-03-23 Demler Sa Ets Machine pour le moulage de produits en beton

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2144969A1 (es) * 1997-10-10 2000-06-16 Gruppo Tecnoferrari Spa Equipo para la alimentacion de polvos a un prensa formadora, en particular de azulejos ceramicos.
WO2003022543A1 (fr) * 2001-09-07 2003-03-20 Guoquan Huang Procede et unite a double distribution permettant la formation de carreaux de ceramique et produits obtenus conformement audit precede
CN105252639A (zh) * 2015-11-27 2016-01-20 简军 一种自动布料设备
CN105252639B (zh) * 2015-11-27 2018-09-11 简军 一种自动布料设备

Also Published As

Publication number Publication date
ITBO910218A1 (it) 1992-12-20
ITBO910218A0 (it) 1991-06-20
DE69209567T2 (de) 1996-09-19
ES2086582T3 (es) 1996-07-01
IT1248243B (it) 1995-01-05
DE69209567D1 (de) 1996-05-09
EP0519373B1 (fr) 1996-04-03

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