EP2418057A1 - Formbehälterteil mit einer Dichtvorrichtung und solch eine Dichtvorrichtung sowie Anwendungsverfahren dafür - Google Patents

Formbehälterteil mit einer Dichtvorrichtung und solch eine Dichtvorrichtung sowie Anwendungsverfahren dafür Download PDF

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Publication number
EP2418057A1
EP2418057A1 EP11176804A EP11176804A EP2418057A1 EP 2418057 A1 EP2418057 A1 EP 2418057A1 EP 11176804 A EP11176804 A EP 11176804A EP 11176804 A EP11176804 A EP 11176804A EP 2418057 A1 EP2418057 A1 EP 2418057A1
Authority
EP
European Patent Office
Prior art keywords
wall
mould container
mould
upper side
sealing device
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
EP11176804A
Other languages
English (en)
French (fr)
Other versions
EP2418057B1 (de
Inventor
Wilhelmus Jacobus Maria Kosman
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.)
Beheermaatschappij De Boer Nijmegen BV
Original Assignee
Beheermaatschappij De Boer Nijmegen BV
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 Beheermaatschappij De Boer Nijmegen BV filed Critical Beheermaatschappij De Boer Nijmegen BV
Publication of EP2418057A1 publication Critical patent/EP2418057A1/de
Application granted granted Critical
Publication of EP2418057B1 publication Critical patent/EP2418057B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/04—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds moved in succession past one or more shaping stations
    • 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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
    • B28B5/021—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of definite length
    • 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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
    • B28B5/021—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of definite length
    • B28B5/022—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of definite length the moulds or the moulding surfaces being individual independant units and being discontinuously fed
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0011—Mould seals
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article

Definitions

  • the present invention relates to a mould container part of a mould container pressing device provided with a sealing device, and to such a sealing device and method for application thereof.
  • the invention also relates to a mould container pressing device for manufacturing green bricks from clay for the brick manufacturing industry, comprising a mould container part with such a sealing device.
  • the invention relates more particularly to a mould container part for manufacturing green bricks therein with a mould container pressing device, the mould container part comprising:
  • the sealing device consists of anti-leakage strips welded against the wall of the mould container part. Because these anti-leakage strips and the upper side of the mould container parts wear during the production of bricks, a periodic repair is necessary every 1 to 1.5 years. Because the anti-leakage strips are fixedly welded, during a repair these welds have to be regularly ground away, welded in again and subsequently milled level again. In addition to the fact that these repairs are very time-consuming and laborious, they have the further drawback that with some regularity a mould container part curves as a result of the heat released during the welding.
  • An object of the present invention is to provide a device and method wherein the stated drawbacks do not occur, or at least do so to lesser extent.
  • mould container part for manufacturing green bricks therein with a mould container pressing device, the mould container part comprising:
  • the mould container parts can be mutually coupled by means of the coupling means, and can thus be connected to form a conveyor of a mould container pressing device.
  • a conveyor of a mould container pressing device In coupled position an intermediate space is present between the successive mould container parts between which clay residues released during pressing of green bricks can drop.
  • the sealing device spans this intermediate space.
  • the base part is arranged against the wall of the mould container part with its upper side at a distance from the upper side of the wall, a height difference is created in which an easily replaceable wearing part can be arranged.
  • This height difference can moreover also be restored after the upper side of a somewhat worn mould container part has been milled level since the same quantity of material can be removed from the upper side of the base part.
  • After placing of a replacement wearing part the upper side of the wearing part and the upper side of the wall are substantially flush, i.e. these upper sides connect substantially level and almost without height difference to each other.
  • the sealing device according to the invention thus makes it possible to repair a mould container part with a standard wearing part which can easily be held in stock. Laborious welding with the associated risks of curving of the mould container parts hereby becomes wholly unnecessary.
  • the resilient seal which can be received in the recess of the intermediate part is suitable for the purpose of forming a resilient seal with an identical sealing device of an adjacent mould container part.
  • Such a resilient contact between two adjacent resilient seals guarantees a continuous seal which is also wear-resistant.
  • the base part and intermediate part together have a thickness corresponding to the distance at which the upper side of the base part is located from the upper side of the wall, so that in the arranged position the upper side of the wearing part lies substantially flush with the upper side of the wall.
  • the mould container part is provided on both walls with a sealing device.
  • the coupling means are link parts of a chain part; and the sealing device and the central axis of the link part extend substantially the same distance away from the wall of the mould container part. This ensures that substantially the whole intermediate space between mutually coupled mould container parts is spanned by two adjacent sealing devices, whereby substantially no clay or other unwanted material can pass therebetween.
  • the mould container part is provided on only one wall with a sealing device.
  • a sealing device can suffice for the purpose of substantially wholly spanning the distance between the successive mould container parts. It is noted that, in the case of a single-sided embodiment, the sealing device is preferably applied in each case on the same side of the mould container part.
  • the coupling means are link parts of a chain part; and the sealing device extends further than the central axis of the link part extends away from the wall of the mould container part. It is hereby possible, even with a single-sided sealing device arranged on the mould container part, to span substantially the whole distance between successive mould container parts and thus seal them against clay and other contaminants falling therebetween.
  • the invention further relates to a sealing device evidently intended for use on a mould container part as described above, the sealing device comprising:
  • the intermediate part In the arranged position the upper side of the wearing part lies substantially flush with the upper side of the wall of the mould container part.
  • the invention further relates to a mould container pressing device for manufacturing green bricks from clay for the brick manufacturing industry, comprising:
  • the invention also relates to a method for applying a sealing device as described above, the method comprising the steps of:
  • the method further comprises the step, if desired, of replacing the intermediate part and/or replacing the resilient seal.
  • the method further comprises the step of likewise shortening legs functioning as spacers by a layer thickness, the layer thickness being the sum of the layer thickness worn away through use and the layer thickness removed during the step of levelling the upper side of the wall.
  • the height of the green brick to be formed in the mould cavity of the mould container can be set by means of a movable base.
  • the depth of the mould cavity remains unchanged by shortening the legs, functioning as spacers for the movable base, by a distance corresponding to the layer thickness which is the sum of the layer thickness worn away through use and the layer thickness removed during the step of levelling the upper side of the wall. After firing thereof the green bricks to be formed will produce bricks with unchanged brick height.
  • the method further comprises the use of the mould container part as described above.
  • Figure 1 shows a mould container pressing device 1 for manufacturing green bricks 18 from clay for the brick manufacturing industry, comprising a circulating conveyor 2 formed from connected mould container parts 3, wherein each mould container part 3 comprises one or more mould containers 16, each with a mould cavity 19, a reservoir 4 for clay arranged above mould containers 16, clay arranging means for arranging clay from reservoir 4 in mould containers 16 during a moulding stage, means for covering an open side of mould containers 16 with take-off plates 11, at least one ejecting device 20 arranged on conveyor 2 and movable relative to conveyor 2, wherein ejecting device 20 is adapted to eject a green brick 18 present in mould container 16 onto an associated take-off plate 11 during a release stage, wherein ejecting device 20 comprises at least one base 38 which is displaceable in mould container 16 and which supports during the moulding stage against a stepped support device using legs 24, wherein using an adjustable support height the height of the green brick 18 to be formed in mould container 16 is adjustable via the depth of mould container 16.
  • the mould container pressing device 1 comprises a chain conveyor 2, also referred to as mould conveyor.
  • This chain conveyor 2 is assembled from a large number of mutually connected mould container parts 3, each comprising a number of mould containers 16.
  • Each mould container 16 comprises a mould cavity 19 in which clay can be received for the purpose of forming a green brick 18.
  • Mould container parts 3 are coupled to each other and provided with rollers 15 rotatable over girders 14 so as to together thus form the chain - or conveyor - of chain conveyor 2 - or mould conveyor.
  • the chain is driven by one of the chain wheels 13 or by both chain wheels 13 (wherein for the sake of clarity only the right-hand chain wheel is shown in figure 1 ).
  • the transporting direction of the chain conveyor is to the left in the shown embodiment of figure 1 (P 1 in figure 1 ).
  • a conveyor rotating to the right is of course likewise possible.
  • a reservoir 4 for clay Placed above mould containers 16 is a reservoir 4 for clay which is kept in continuous movement by an agitator 5 driven by motor 6. Clay is fed to reservoir 4 by a circulating conveyor 7. The clay is carried out of reservoir 4 into mould container 16 and then pressed down by a pressing device 8 which is pivotable around a shaft 9. The excess clay is also trimmed using means which are not drawn.
  • the device 1 further comprises a conveyor 10 with which take-off plates 11 are supplied. Conveyor 10 also ensures that a take-off plate 11 is placed on top of each passing mould container part 3. Take-off plates 11 remain pressed against the respective mould container parts 3 by a holding mechanism 12 when they pass over the left-hand chain wheel (not shown) on the discharge side of the device. After turning over of the mould container part 3, the green bricks 18 still lie on plates 11.
  • An ejecting device 20 as shown in figures 2-4 presses the green bricks 18 out of mould containers 16 per mould container part 3. Green bricks 18 herein remain lying on plates 11 after they have been released from mould containers 16. Plates 11 with green bricks 18 thereon are then discharged for further treatment, such as drying and firing.
  • FIGS 2-4 show a mould container part 3 assembled from different mould containers 16 connected to form a unit.
  • Mould container part 3 further comprises a chain part 44 onto which link parts 46 are welded.
  • link parts 46 are welded.
  • FIG. 2 Shows a mould container part 3 assembled from different mould containers 16 connected to form a unit.
  • Mould container part 3 further comprises a chain part 44 onto which link parts 46 are welded.
  • the mould container parts 3 are provided on the outer side of wall 40 thereof with welded anti-leakage strips 56 and 58 ( Figure 2 ).
  • the front anti-leakage strip 56 arranged on the front side of mould container part 3 fits substantially against the rear anti-leakage strip 58 of an adjacent mould container part 3 (not shown) in front of it, so that only a small gap remains therebetween.
  • the embodiments as shown in figures 3 and 4 comprise a base part 24 which is fixed to wall 40 of mould container part 3. Resting on the upper side of base part 24 is a wearing part 28 which lies with its upper side substantially level with the upper side of wall 40. When wall 40 wears during production of bricks, wearing part 28 will also wear. During repair operations the wall 40 can easily be milled off, after which the initial distance between upper side 32 of base part 24 and upper side 41 of wall 40 is restored by likewise milling off the upper side 32 of base part 24. The worn wearing part 29 is removed and a new, substantially non-worn wearing part is arranged above base part 24, once again with its upper side 33 substantially level with upper side 41 of wall 40.
  • an intermediate part 25 Arranged in a highly advantageous embodiment between base part 24 and wearing part 29 is an intermediate part 25 which is provided on the side directed away from wall 40 with a recess 26 in which a seal 27 can be received.
  • Figure 5 shows a conveyor 2 formed from connected mould container parts 3, wherein an enlarged detail view shows how two resilient seals 27 make resilient contact between two adjacent mould container parts 3 and so substantially completely close the space between the two adjacent mould container parts 3.
  • Figure 6 shows an enlarged view of sealing device 22 according to the second embodiment, wherein an intermediate part 25 with seal 27 received therein is applied. As shown clearly in figure 6 , seal 27 extends further outward away from wall 40 than outer wall 37 of base part 24, outer wall 35 of intermediate part 25 and outer wall 39 of wearing part 28.
  • Recess 26 preferably has a lower surface inclining in outward direction with an angle of inclination ⁇ , whereby recess 26 narrows toward the outside and seal 27 is retained to some extent.
  • Both the first embodiment shown in figure 3 and the second embodiment shown in figure 6 are provided with a drilled hole 29 extending through base part 24, intermediate part 25 and wearing part 28.
  • the wearing part 28 is provided with a threaded end in which bolt 30 can engage. Wearing part 28 and intermediate part 25 can then be fixed to base part 24 using a nut.
  • a layer of material is milled away from the upper side 32 of base part 24 which corresponds to the sum of the layer with layer thickness S worn away during use ( figure 7 ) and the layer thickness V removed during levelling ( figure 8 ). Because a layer thickness S + V is removed from base part 24, the original distance from upper side 32 of base part 24 to upper side 41 of wall 40 is restored, and it is possible to either re-place a single wearing part 28 according to the first embodiment or to re-place a combination of wearing part 28 and intermediate part 25 according to the second embodiment. Such wearing parts 28 and intermediate parts 25 are standard parts and can therefore be readily available in stock. Grinding away and re-welding, with all the associated drawbacks, hereby become wholly unnecessary.
  • mould cavity 19 in mould container 16 has also become a distance S + V less deep.
  • the legs 42 functioning as spacers attached to the underside of ejector base 38 are likewise shortened by a layer distance S + V. It is otherwise also possible in some cases to set the brick height with a support device - not further described here -, in which case shortening of legs 42 may be unnecessary.
  • the mould container parts 3 are provided on both side walls 40 thereof with a sealing device 22 according to the invention.
  • a sealing device 22 In the case of a shorter distance between successive mould container parts 3 it is also possible to envisage only one side wall 40 being provided with a sealing device 22.
  • Such a single-sided embodiment also expressly falls within the intended scope of protection.

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  • 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)
EP11176804.0A 2010-08-11 2011-08-08 Formbehälterteil mit einer Dichtvorrichtung sowie Anwendungsverfahren dafür Active EP2418057B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2005214A NL2005214C2 (nl) 2010-08-11 2010-08-11 Een van een afdichtinrichting voorzien vormbakdeel, alsmede een dergelijke afdichtinrichting en werkwijze voor de toepassing daarvan.

Publications (2)

Publication Number Publication Date
EP2418057A1 true EP2418057A1 (de) 2012-02-15
EP2418057B1 EP2418057B1 (de) 2016-02-10

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EP11176804.0A Active EP2418057B1 (de) 2010-08-11 2011-08-08 Formbehälterteil mit einer Dichtvorrichtung sowie Anwendungsverfahren dafür

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EP (1) EP2418057B1 (de)
NL (1) NL2005214C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3444087A1 (de) * 2017-08-16 2019-02-20 Beheermaatschappij De Boer Nijmegen B.V. Mit einem dichtungsstreifen versehenes formbehälterteilteil

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB326307A (en) * 1929-02-12 1930-03-13 Sydney Arthur Wright Improvements in moulds for brick and tile making
NL7209048A (de) * 1971-07-08 1973-01-10
EP0140721A1 (de) * 1983-08-05 1985-05-08 Promotec (S.A.R.L.) Einrichtung zum Formen von Betonerzeugnissen mit unverzüglicher Entformung
EP0919345A1 (de) * 1997-11-25 1999-06-02 FOMB Officine Meccaniche Bongioanni S.r.l. Verfahren zum Einrichten einer mit auswechselbarer Formfläche Form für die Herstellung von Gegenständen aus Ton
EP0919346A1 (de) * 1997-11-25 1999-06-02 FOMB Officine Meccaniche Bongioanni S.r.l. Verfahren zum schnell Einrichten einer Form für die Herstellung von Gegenstände aus Ton
EP1595665A1 (de) * 2004-05-13 2005-11-16 Beheermaatschappij De Boer Nijmegen B.V. Vorrichtung und Verfahren zur Herstellung von Steinformlingen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB326307A (en) * 1929-02-12 1930-03-13 Sydney Arthur Wright Improvements in moulds for brick and tile making
NL7209048A (de) * 1971-07-08 1973-01-10
EP0140721A1 (de) * 1983-08-05 1985-05-08 Promotec (S.A.R.L.) Einrichtung zum Formen von Betonerzeugnissen mit unverzüglicher Entformung
EP0919345A1 (de) * 1997-11-25 1999-06-02 FOMB Officine Meccaniche Bongioanni S.r.l. Verfahren zum Einrichten einer mit auswechselbarer Formfläche Form für die Herstellung von Gegenständen aus Ton
EP0919346A1 (de) * 1997-11-25 1999-06-02 FOMB Officine Meccaniche Bongioanni S.r.l. Verfahren zum schnell Einrichten einer Form für die Herstellung von Gegenstände aus Ton
EP1595665A1 (de) * 2004-05-13 2005-11-16 Beheermaatschappij De Boer Nijmegen B.V. Vorrichtung und Verfahren zur Herstellung von Steinformlingen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3444087A1 (de) * 2017-08-16 2019-02-20 Beheermaatschappij De Boer Nijmegen B.V. Mit einem dichtungsstreifen versehenes formbehälterteilteil
NL2019423B1 (nl) * 2017-08-16 2019-02-25 Beheermaatschappij De Boer Nijmegen B V Van een afdichtstrip voorzien vormbakdeel, alsmede een dergelijke afdichtstrip

Also Published As

Publication number Publication date
NL2005214C2 (nl) 2012-02-14
EP2418057B1 (de) 2016-02-10

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