EP1433580A2 - Verfahren und Vorrichtung zur Herstellung von keramischen Produkten - Google Patents

Verfahren und Vorrichtung zur Herstellung von keramischen Produkten Download PDF

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Publication number
EP1433580A2
EP1433580A2 EP03077768A EP03077768A EP1433580A2 EP 1433580 A2 EP1433580 A2 EP 1433580A2 EP 03077768 A EP03077768 A EP 03077768A EP 03077768 A EP03077768 A EP 03077768A EP 1433580 A2 EP1433580 A2 EP 1433580A2
Authority
EP
European Patent Office
Prior art keywords
die frame
upper punch
sliding
frame
lower punch
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Withdrawn
Application number
EP03077768A
Other languages
English (en)
French (fr)
Other versions
EP1433580A3 (de
Inventor
Jian Xu
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.)
Foshanlinghai Ceramic Sci & Tech Co Ltd
Original Assignee
Foshanlinghai Ceramic Sci & Tech Co Ltd
Xu Jian
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 Foshanlinghai Ceramic Sci & Tech Co Ltd, Xu Jian filed Critical Foshanlinghai Ceramic Sci & Tech Co Ltd
Publication of EP1433580A2 publication Critical patent/EP1433580A2/de
Publication of EP1433580A3 publication Critical patent/EP1433580A3/de
Withdrawn legal-status Critical Current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
    • 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
    • B28B11/16—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs
    • B28B11/168—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs in which the material is cut-out from a strand or web by means of a frame-shaped knife
    • 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
    • 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
    • B28B3/021—Ram heads of special form

Definitions

  • the present invention relates to methods of shaping ceramic bricks; in particular, but not exclusively, the invention relates to a method of shaping bricks to various desired thicknesses. Moreover, the invention also relates to devices for shaping ceramic bricks.
  • ceramic bricks are usually formed by delivering material in a lattice frame and then by subsequently pressing the material.
  • Equipment suitable for forming ceramic bricks comprises a lattice frame 6, for example as illustrated in Figure 2, an upper punch 2, a lower punch 3 and a fixed modular frame 11.
  • a plurality of mutually orthogonal lattice bars 10 are fixed in the lattice frame 6.
  • the lattice frame 6 is filled with ceramic dry-mash, namely ceramic powder, by means of a hopper 7, and the lattice frame 6 with its ceramic powder are subsequently moved to a location over the lower punch 3 of a press.
  • the lower punch 3 is moved down and a die cavity 4 is thereby filled with ceramic material.
  • the lattice frame 6 is retracted simultaneously with the surface of the dry-mash in the die cavity 4 being dubbed, namely flattened.
  • the upper punch 2 of the press is moved down and presses the dry-mash to generate a stock, namely a blank, whereafter the punch 2 subsequently rises in an upward movement.
  • the lower punch 3 lifts the stock out in an upward movement.
  • the lattice frame 6 moves in a direction of the press again, accordingly pushing the pressed stock out of the press. Meanwhile, the lower punch 3 drops for charging the die cavity 4, and consequently repeating the cycle of operation.
  • the equipment is capable of shaping a ceramic brick of partial thickness, namely in a range of 6 to 25 mm thick.
  • the stock is susceptible to being easily destroyed when pushed out of the stock by the lattice frame for thin ceramic bricks having a thickness in a range of 3 to 6 mm.
  • a company Italy System Company recently undertook to provide shaping equipment for shaping ceramic bricks.
  • Such equipment in shown in Figures 3 and 4, wherein the equipment principally comprises a cyclically revolving planar conveyor belt 5, an upper punch 2 and a lower punch 3 of a press 16, and a flexible contouring device 19 attached to the upper punch 2.
  • the revolving conveyor belt 5 bears a ceramic dry-mash 13 and moves it to a position between the upper punch 2 and the lower punch 3.
  • the upper punch 2 and the lower punch 3 apply pressure to the dry-mash 13 and the flexible contouring device 19, and the conveyor belt 5 and the dry-mash 13 are pressed to form the stocks.
  • movement of the conveyor belt 5 removes the stocks from the press 16; meanwhile, the subsequent dry-mash 13 is removed from a position between the upper punch 2 and the lower punch 3, thereby completing a cycle of operation of the equipment.
  • the flexible contouring device 19 When the press 16 operates, in order to avoid leakage of the dry-mash 13, the flexible contouring device 19 is attached to the surface of the upper punch 2 and bears pressure on the dry-mash 13.
  • the flexible contouring device 19 On account of the flexible contouring device 19 being an elastic item, it is only fitted when producing ceramic bricks have a thickness in a range of 3 to 5 mm.
  • lateral thrust increases such that frictional force between the flexible contouring device 19 and the punches 2, 3 is not able to resist associated lateral thrust of the dry-mash 13, with a corresponding distortion or fall-off the brick shape; thus, it is not then possible to maintain the shape of the stock with a result that uniformity and quality of the bricks cannot be ensured.
  • an object of the present invention is to provide a method of and a device for shaping ceramic bricks with varying thickness, for example in a range of 3 to 25 mm thick, and thereby addressing aforementioned problems arising in the prior art.
  • a device for shaping ceramic bricks comprising:
  • the sliding die frame also known as a gliding die frame, is preferably fabricated from a rigid material.
  • a pin and a groove are included in at least two relative sides of the sliding die frame and at least one of the punches respectively, such that the sliding die frame is coupled to said punch, said positioning pin being presented to the lower punch so that the height of ceramic bricks produced in the device is adjustable.
  • a guiding pillar is mounted onto the pressing machine.
  • the sliding die frame namely gliding die frame, is coupled to a sliding bush, for example a jacket; said sliding bush is further coupled to a lift-out attachment, the lift-out attachment being operable to push the sliding die frame so that the frame moves axially along a direction of up/down actuation of the upper punch.
  • the device for shaping ceramic bricks of the present invention is suitable for manufacture of ceramic products of normally various desired thicknesses, for example in a range of 3 to 25 mm thick.
  • a blank body is removed from the pressing machine by ejecting the body supported by a revolving conveyor belt, the blank body not being susceptible to damage when its thickness is more than 6 mm.
  • On account of utilizing a rigid frame for the sliding die frame, which is susceptible to being perpendicularly slip-fitted to the punches it is possible to obtain intensive use of the die frame on which lateral thrust of the ceramic powder acts whilst simultaneously ensuring precise relative positions of the punches and the die frame. When the die frame is retracted to its upper position, such retraction is of benefit to ensure unhindered motion of the conveyor belt, the ceramic powder and the blank.
  • the device of the present invention is relative simple in form.
  • a cross-section of the aforesaid sliding die frame is designed to be of trapezoidal form including an upright plane.
  • excess ceramic powder is removed and required ceramic powder is restrained by the upright plane.
  • Excess ceramic powder is pushed outwardly by said trapezoidal form.
  • the device of the present invention is susceptible during operation to form shaped blanks whose sides are mutually normal and thereby circumventing a need for further cutting, thereby reducing an amount of cutting conventionally required.
  • a method of shaping ceramic bricks including the steps of:
  • FIG 4 there is shown a cross-sectional diagram of a pressing machine of a device for shaping ceramic bricks according to one embodiment of the present invention.
  • the device includes known delivering devices and ornamental equipment for applying ornamentation to ceramic bricks.
  • the ornamentation equipment is preferably cloth or dry powder printing equipment or similar.
  • the device comprises a sliding die frame 14, for example as illustrated in Figures 5 and 6, fitted on an outside surface of an upper punch 2, the frame 14 being operable to glide axially along a side surface of the upper punch 2.
  • the upper punch 2 is fabricated from a rigid material, for example cast iron, so that it is capable of packing powder tightly in the die frame 14.
  • the die frame 14 is connected to the upper punch 2 by a pin 28, for example as also shown in Figure 8.
  • a first end of the pin 28 is preferable attached to an inside region of the die frame 14, and a second end of the pin 28 is positioned in a groove 27 of the upper punch 2 and can optionally also be abutted tightly by a spring 29 to the upper punch 2.
  • the groove 27 is preferably also incorporated in the sliding die frame 14, with the pin 28 coupled to the upper punch 2; alternatively, the sliding die frame 14 is directly connected to the upper punch 2, for example by way of a plastics material pin.
  • each inside surface of the die frame 14 is parallel to each side of the upper punch 2, so that outside and inside surfaces of the die frame 14 form an included angle as illustrated.
  • a positioning pin 20 is included below the die frame 14 and is also included over the lower punch 3 by way of a bracket (not shown). Moreover, the height of the positioning pin 20 is adjustable, thereby a varying desired thickness for a blank body produced can be controlled by adjusting the positioning pin 20.
  • a plastics material edging 18 is positioned along edges of the conveyor belt 5 and is capable of preventing powder from escaping during the pressing process.
  • the die frame 14 stops moving and contacts with the powder 13; the powder 13 is tightly restrained within the die frame 14 on account of the groove 27; the groove 27 results in the upper punch 2 moving downwards, thereby pressing the powder 13 to form a blank 15, for example as shown in Figure 3.
  • the upper punch 2 is retracted upwardly when a bottom region of the groove 27 contacts with the pin 20. Moreover, the upper punch 2 and the die frame 14 are actuated upwardly together by virtue of movement of the upper punch 2. Furthermore, the pressed shaped blanks for producing ceramic bricks are removed from a press 16 by way of the conveyor belt 5 simultaneously with new material being transported to a position between the upper punch 2 and the lower punch 3.
  • the function of the positioning pin 20 is to couple tightly the die frame to the conveyor belt 5 so as to provide an air-tight seal whilst not penetrating into the conveyor belt 5 and hence has a benefit of protecting the conveyor belt 5.
  • An elastic edge is included on the conveyor belt 5 for further preventing the powder 13 from moving laterally, thereby improving quality of edges of the blanks for producing ceramic bricks.
  • the present invention is also applicable to a press machine whose upper punch 2 is stationary and whose lower punch 3 is actuated, such that the die frame 14 is actively connected to the lower punch 2.
  • upwardly directed pressure provided by the lower punch 3 is operable to compress the powder 13 into corresponding blanks 15 suitable for processing to produce ceramic bricks.
  • FIG. 6 and 7 another embodiment of a device for shaping ceramic bricks according to the present invention is illustrated, the device comprising the upper punch 2, the lower punch 3, a roof bar 25, a base 26 and the die frame 14.
  • a sliding sleeve 22 is arranged to slide in operation along a guide pillar 21.
  • the die frame 14 is coupled to the sliding sleeve 22, for example by way of a screw joint or other manner as known.
  • the conveyor belt 5 is movable between the upper punch 2 and the lower punch 3.
  • the guide pillar 21 is mounted onto the base 26, such that actuation directions of the upper punch 2 and the lower punch 3 remain mutually parallel in operation.
  • a groove is provided along a bottom region of the lower punch 3, such that the roof bar 25 and its associated plane push rod 24 form the groove.
  • the roof bar 25 is connected via the plane push rod 24 and an upright pushing rod 23 to the sliding sleeve 22.
  • the roof bar 25 is arranged to push the plane push rod 24, the upright pushing rod 23, the sliding sleeve 22 and the die frame 14 so that these integrally make a vertical up/down movement in operation.
  • the roof bar 25 is alternatively susceptible to being actuated in an up/down movement by way of a cam or other mechanical driving configuration.
  • dry-mash powder 13 is transported to a position between the upper punch 2 and the lower punch 3 by way of the conveyor belt 5.
  • the sliding frame 14 actuated by the roof bar 25 is then moved down to a position over the conveyor belt 5, thereby enclosing the powder 13.
  • the upper punch 2 is pressed down to press the powder 13 into shaped blanks.
  • the upper punch 2 is retracted upwardly, and the sliding die frame 14 actuated by the roof bar 25 is retracted upwardly.
  • the shaped blanks for producing ceramic bricks are removed along the conveyor belt 5, simultaneously with new powder being delivered to a position between the upper punch 2 and the lower punch 3, thereby completing one cycle of operation of the device.
  • the roof bar 25 actuating the die frame 14 in an upward/downward motion is only one particular example. It will be appreciated that actuation of the die frame 14 relative to the punches 2, 3 can be realized using other types of ejection device.
  • the ejection device is mountable outside the press, thereby avoiding a need to provide a groove in the lower punch 3.
  • FIG. 9 another embodiment of the present invention is shown, wherein at least one hydraulic device 30 is coupled to the sliding sleeve 22. Moreover, the sliding sleeve 22 is connected via a screw thread to the die frame 14, Thus, the sliding sleeve 22 actuated by the hydraulic device 30 is susceptible to being moved axially relative to the upper punch 2 and the lower punch 3 and results in ceramic powder being tightly compressed in the die frame 14.
  • an embodiment of the method can be elucidated with reference to the aforementioned device for shaping ceramic bricks.
  • the method comprises the following steps of:

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
EP03077768A 2002-12-26 2003-09-04 Verfahren und Vorrichtung zur Herstellung von keramischen Produkten Withdrawn EP1433580A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN02149746 2002-12-26
CN 02149746 CN1420004A (zh) 2002-12-26 2002-12-26 一种陶瓷砖成型方法及设备

Publications (2)

Publication Number Publication Date
EP1433580A2 true EP1433580A2 (de) 2004-06-30
EP1433580A3 EP1433580A3 (de) 2005-10-12

Family

ID=4751740

Family Applications (1)

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EP03077768A Withdrawn EP1433580A3 (de) 2002-12-26 2003-09-04 Verfahren und Vorrichtung zur Herstellung von keramischen Produkten

Country Status (2)

Country Link
EP (1) EP1433580A3 (de)
CN (1) CN1420004A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012143960A1 (en) * 2011-04-22 2012-10-26 Vecor Ip Holdings Ltd Apparatuses, system and methods for forming pressed articles and pressed articles formed thereby
CN112659325A (zh) * 2020-12-21 2021-04-16 重庆卓工科技有限公司 一种砖坯制作装置
EP3909734A1 (de) * 2020-05-12 2021-11-17 Siti - B&T Group S.p.A. Verfahren und anlage zur herstellung von platten aus keramischem material
EP3915745A1 (de) * 2020-05-29 2021-12-01 Siti - B&T Group S.p.A. Anlage zur herstellung von platten aus keramischem material
IT202000016744A1 (it) * 2020-07-09 2022-01-09 Siti B & T Group Spa Attrezzatura per la realizzazione di lastre in materiale ceramico
CN115446958A (zh) * 2022-09-23 2022-12-09 江苏聚优新型建材有限公司 一种耐磨水泥砖制作及脱模装置
IT202200005531A1 (it) * 2022-03-21 2023-09-21 Siti B & T Group Spa Attrezzatura per la realizzazione di lastre in materiale ceramico

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100348397C (zh) * 2004-12-16 2007-11-14 谭仲声 一种瓷砖坯体的生产方法及其装置
CN101037004B (zh) * 2007-02-14 2011-04-06 徐平 一种陶瓷砖成型模具装置及利用该装置的成型方法
CN109732750B (zh) * 2019-03-05 2023-09-22 福建科达新能源科技有限公司 一种增加石墨坩埚装料量的液压填充系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168140A (en) * 1976-06-09 1979-09-18 Fontana John D Apparatus for producing a simulated brick construction member
WO1996015888A1 (en) * 1994-11-22 1996-05-30 Carlo Antonio Camorani A method for compacting powders, and a relative apparatus
EP0995562A1 (de) * 1998-10-15 2000-04-26 Ronflette S.A. Vorrichtung zum Herstellen von keramischen Gegenständen wie Fliesen und dergleichen durch Pressen von Pulver
EP1250990A2 (de) * 2001-04-20 2002-10-23 Ghi.Tech. S.R.L. Form mit modularen Hohlräumen zur Herstellung von keramischen Gegenständen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168140A (en) * 1976-06-09 1979-09-18 Fontana John D Apparatus for producing a simulated brick construction member
WO1996015888A1 (en) * 1994-11-22 1996-05-30 Carlo Antonio Camorani A method for compacting powders, and a relative apparatus
EP0995562A1 (de) * 1998-10-15 2000-04-26 Ronflette S.A. Vorrichtung zum Herstellen von keramischen Gegenständen wie Fliesen und dergleichen durch Pressen von Pulver
EP1250990A2 (de) * 2001-04-20 2002-10-23 Ghi.Tech. S.R.L. Form mit modularen Hohlräumen zur Herstellung von keramischen Gegenständen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012143960A1 (en) * 2011-04-22 2012-10-26 Vecor Ip Holdings Ltd Apparatuses, system and methods for forming pressed articles and pressed articles formed thereby
US9487444B2 (en) 2011-04-22 2016-11-08 Mass S.P.A. Apparatuses, system and methods for forming pressed articles and pressed articles formed thereby
EP3909734A1 (de) * 2020-05-12 2021-11-17 Siti - B&T Group S.p.A. Verfahren und anlage zur herstellung von platten aus keramischem material
EP3915745A1 (de) * 2020-05-29 2021-12-01 Siti - B&T Group S.p.A. Anlage zur herstellung von platten aus keramischem material
IT202000016744A1 (it) * 2020-07-09 2022-01-09 Siti B & T Group Spa Attrezzatura per la realizzazione di lastre in materiale ceramico
EP3936294A1 (de) * 2020-07-09 2022-01-12 Siti - B&T Group S.p.A. Ausrüstung für die herstellung von platten aus keramischem material
CN112659325A (zh) * 2020-12-21 2021-04-16 重庆卓工科技有限公司 一种砖坯制作装置
CN112659325B (zh) * 2020-12-21 2022-01-14 重庆卓工科技有限公司 一种砖坯制作装置
IT202200005531A1 (it) * 2022-03-21 2023-09-21 Siti B & T Group Spa Attrezzatura per la realizzazione di lastre in materiale ceramico
CN115446958A (zh) * 2022-09-23 2022-12-09 江苏聚优新型建材有限公司 一种耐磨水泥砖制作及脱模装置
CN115446958B (zh) * 2022-09-23 2024-01-26 江苏聚优新型建材有限公司 一种耐磨水泥砖制作及脱模装置

Also Published As

Publication number Publication date
EP1433580A3 (de) 2005-10-12
CN1420004A (zh) 2003-05-28

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