EP3738735B1 - Doseur pourvu de douilles de dosage pouvant être ouvertes pour installations de fabrication de panneaux - Google Patents

Doseur pourvu de douilles de dosage pouvant être ouvertes pour installations de fabrication de panneaux Download PDF

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Publication number
EP3738735B1
EP3738735B1 EP20173906.7A EP20173906A EP3738735B1 EP 3738735 B1 EP3738735 B1 EP 3738735B1 EP 20173906 A EP20173906 A EP 20173906A EP 3738735 B1 EP3738735 B1 EP 3738735B1
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EP
European Patent Office
Prior art keywords
doser
dosing
dosator
dosing apparatus
slide
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.)
Active
Application number
EP20173906.7A
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German (de)
English (en)
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EP3738735A1 (fr
Inventor
Robert Stöcker
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.)
SR Schindler Maschinen Anlagetechnik GmbH
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SR Schindler Maschinen Anlagetechnik GmbH
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Publication date
Application filed by SR Schindler Maschinen Anlagetechnik GmbH filed Critical SR Schindler Maschinen Anlagetechnik GmbH
Publication of EP3738735A1 publication Critical patent/EP3738735A1/fr
Application granted granted Critical
Publication of EP3738735B1 publication Critical patent/EP3738735B1/fr
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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
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B30B15/302—Feeding material in particulate or plastic state to moulding presses
    • B30B15/304—Feeding material in particulate or plastic state to moulding presses by using feed frames or shoes with relative movement with regard to the mould or moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/08—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with moulds carried by a turntable

Definitions

  • the invention relates to a metering device, in particular a metering device with openable metering bushes for plate production systems.
  • Slab production plants in particular for terrazzo cast stone slabs, paving stones in hermetic quality, patios and paving slabs, single-layer and two-layer slabs with a combined filter/hermetic pressing process are often designed in such a way that they have a hermetic press in a circular representation, which, among other things, has a dosing device or a dosing device at one position indicates. For example, this is in figure 1 reproduced under number 2. The numbers 1 and 3 - 7 indicate further stations of the layout.
  • Such dosing devices or dosing devices have openings in the bottom area of a dosing pot, in which the material for the production of boards is present, to which filling sockets or dosing sockets, which usually extend vertically, are connected.
  • dosing bushes are therefore arranged together in the bottom area of the dosing pot, which means that each dosing bush would receive the same amount of material from the dosing pot for subsequent feeding to the plate mold, as is shown in DE 29 01 025 A1 is shown.
  • the dosator bushings it is often desirable for the dosator bushings to be able to accommodate different volumes of material for loading underlying panel molds with different volume requirements. For this it is necessary that not all dosator sockets are equipped with the same amount of material.
  • the pamphlet EP 1 669 179 A2 discloses this, according to the preamble of claim 1, a dosing device for arrangement on a slab production plant for the production of stone and concrete slabs.
  • the core idea of the invention is that in a dosing device or a dosator for arrangement on a slab production plant for the production of stone and concrete slabs, a plurality of displacement devices for the dosing bushes are arranged.
  • the dosing device extends in the vertical direction and in a longitudinal direction and is equipped with a dosing pot for receiving materials to be dosed, at least one upper dosing bottom disk with a plurality of outlet openings for discharging the material in a plurality of dosing bushes, each with a material inlet opening and a material outlet opening for dosing each equipped with an outlet quantity of the material.
  • the dosator sockets are arranged between the upper dosator base plate and a lower dosator base plate, which is arranged in the vertical direction below the upper dosator base plate, with each dosator socket being able to be filled with an individually proportioned dosing quantity using displacement devices.
  • a displacement device is assigned to each dosator socket, which is preferably arranged between the upper dosator base disk and the lower dosator base disk.
  • the portioning of the material to be introduced into the dosing sockets can be determined precisely and thus a different or individual amount of material can be introduced into each of these dosing sockets.
  • the individual plate shapes can also be placed on a corresponding plate or a disk can be arranged individually and the dosing sockets filled accordingly.
  • the dosing bushes are tubular--mostly running in the vertical direction--and these dosing bushes can be closed or opened individually by means of individual sliding elements assigned to them. This makes it possible to close or open individual dosing sockets at a specific desired time, as required. This enables the use of a specific selection of dosing sockets or a specific number of dosing sockets, which does not have to correspond to the total number of dosing sockets arranged in the bottom area of the dosing pot.
  • the dosator sockets are fitted with a different amount of material, depending on the length of the opening time, by controlling the slide elements over time.
  • the slide elements are each arranged between the first dosator bottom disk in the bottom area of the dosator pot and an inlet opening of the dosator socket, and by means of a linear drive element, such as a reciprocating piston, between an opening in the bottom area of the dosator pot, i.e. in the dosator bottom disk, and the inlet area of the dosator socket is pushed in the upper area.
  • a linear drive element such as a reciprocating piston
  • the slide elements can have advantageous openings through which the material coming from the dosing pot can enter the dosing bush from above. As soon as the opening is pushed out of the area of the dosing bush in which the slide element is moved, the supply of material from the dosing pot is terminated and the dosing bush has the desired filling quantity of material.
  • Each slide element is part of one of the slide devices, with each slide element slidingly closing the dosing bush assigned to it at least partially or even completely.
  • the majority of the slide elements can be displaced parallel to one another and to the dosator bottom disks in the longitudinal direction.
  • the slide elements are preferably displaceable at a right angle to the course of the dosator bushings and can thus be moved into or out of the dosing bushes coming from the side.
  • moving out also means that the sliding element is only moved up to a specific position in which it has an opening at the point where the dosing bush has a material passage in its interior area.
  • Each slide element can preferably be controlled and displaced individually by means of a common control device, it being possible for the control device to be controlled either automatically or manually.
  • the already mentioned opening of a slide element can have different diameters of a circle or different shapes, so that the size and shape of the opening can also be used to influence and take place a material feed in the desired quantity and speed.
  • the slide elements are advantageously designed in the form of plates, it having been found to be particularly advantageous for the slide elements to be additionally designed in the form of strips.
  • the slide elements preferably have an underside attachment to the underside of the upper dosator bottom disk. This can be done, for example, by means of rails that are attached to the underside of the dosator base plate.
  • each slide element is connected to at least one linear drive, such as a reciprocating piston, with the slide element and the linear drive element assigned to it being arranged parallel to one another and at a distance from one another in the height direction or dosator bushing direction.
  • both elements ie the slide element and the linear drive element assigned to it, run parallel to one another on two different levels.
  • a first end of each linear drive element can be fastened to the underside of the respectively associated slide element by means of a first articulated connection.
  • a second element of each linear drive element can be fastened to the underside of the upper dosator base disk by means of a second articulated connection.
  • the dosator sockets can be equipped with a different amount of material, depending on the length of the opening time, by controlling the slide elements over time.
  • a dosing device according to the invention or a dosing device according to the invention is shown in a perspective view.
  • the molds arranged underneath and to be fitted with material are not shown.
  • the dosing device 11 or the dosing device 11 has a dosing pot 12 in which the material for equipping molds is present.
  • a dosator bottom disk 13 is connected to the dosator pot 12 in the bottom area and has individual openings which are assigned to upper inputs of dosator sockets 15-19, which are mostly tubular and can certainly also be telescopic.
  • dosator sockets 15-19 which are mostly tubular and can certainly also be telescopic.
  • the dosator 11 can also have a larger or smaller number of dosator sockets.
  • the dosing device extends in the longitudinal direction according to the double arrow L and in the vertical direction according to the double arrow H.
  • a second dosator base plate 14 is spaced apart from the first dosator base plate 13 viewed in the vertical direction H and is arranged parallel thereto. This second dosator bottom disk 14 is associated with material outlets 20-25 of the dosator bushings 15-19.
  • linear drive elements 32, 33, 34, 35, 36, 37 are arranged, which can be designed, for example, in the form of a socket and a reciprocating piston 32a-34a.
  • These reciprocating pistons 32a-34a are arranged with fastening elements at one end, preferably in an articulated manner by means of an articulated connection 41 on an underside of slide elements 26-31, respectively.
  • Each slide element 26-31 thus has a fastening in the form of a joint connection 41 on which a lifting piston 32a-34a is arranged and which enables the slide element 26-31 to be moved on the underside 13a of the upper dosator base plate 13.
  • the slider elements 26-31 are attached to the underside 13a of the upper dosator bottom disk in such a way that they can be displaced in the longitudinal direction with respect to the L direction.
  • individual rail elements such as those shown in 2 can be seen arranged. This representation makes it clear that the individual slide elements 26-31 can be moved parallel to one another.
  • the rail elements for guiding the plate-shaped and preferably strip-like slide elements 26-31 are denoted by the reference numeral 40 in part.
  • Each of the cylinder pistons 32-37 with associated reciprocating pistons 32a-34a can be controlled separately by means of a control device not shown in detail here, and the individual dosing bushes 15-19 can thus be closed or opened individually. The opening and closing depends on which of these dosing sockets is currently required for dispensing quantities of material from the material outlets 20-25.
  • the slide elements 26-31 are conceivable in the form of sliding plates and can be driven linearly by means of the cylinder pistons 32-37.
  • the slide elements 26-31 there is an overlapping of openings in the sliding plates 26-31 and openings in the dosator base plate 13 on the underside 13a for filling the dosator sockets.
  • a repeat Moving the sliding plate enables the dosator socket to be completely closed.
  • the dosing bushings 15 - 19 are connected at their upper end to the slide element 26 - 31 arranged above them. At their lower end, the dosator bushings 15 - 19 are each connected to a second slide element, which is guided in further rail elements which are arranged on the upper side of the second dosator bottom disk 14 .
  • each reciprocating piston 32-37 is connected by means of the first pivot connection 41 to the underside of a slide element.
  • a second end 32c of each cylinder piston is connected by a second pivot connection 42 to the underside of the upper dosator bottom disc.
  • Each slide element 26-31 can move along the longitudinal direction L of the dosator, ie to the left and right when viewed in the image plane.
  • the dosator bushing 44a-d is composed of various telescoping tube elements 44a, 44b, 44c, 44d that are built into one another or allow it to be pulled apart. This also makes it possible to change the volume of material to be accommodated therein by simply reducing or increasing the internal volume of the dosator bushing by extending and retracting the telescope.
  • the dosator socket is surrounded on the outside by a spiral spring 43 in order to ensure a distance between the first and second dosator base plate 13,14 and to ensure a tight seal between the sliding plate and the upper and lower dosator base plate 13, 14 by introducing a preload.
  • the volume of material within the dosator bushing can be controlled by regulating the amount to be filled, for example by timing the slide element. This means that after a certain time X the sliding element is displaced and thus the opening in the dosator base plate 13 and the dosator bushing are closed. As a result, the amount of material can be dosed precisely within the dosator socket. Precise dosing of the amount of material within the dosator bushing is also conceivable by means of two slide elements spaced apart from one another viewed in the height direction, which can also be adjusted in height and of course can also be slid parallel to the dosator bottom disks. This is no longer shown here.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Claims (9)

  1. Dispositif de dosage (11) à disposer sur une installation de production de plaques pour la production de plaques de pierre et de béton, dans lequel le dispositif de dosage (11) s'étend dans une direction de hauteur (H) et présente un pot de doseur (12) pour la réception d'un matériau à doser, au moins un disque de fond de doseur supérieur (13) avec une pluralité d'ouvertures de sortie pour laisser sortir le matériau dans une pluralité de douilles de doseur (15-19) avec respectivement une ouverture d'entrée de matériau et respectivement une ouverture de sortie de matériau (20-25) pour le dosage de respectivement une quantité de sortie du matériau,
    dans lequel les douilles de doseur (15-19) sont disposées entre le disque de fond de doseur supérieur (13) et un disque de fond de doseur inférieur (14), qui est disposé dans la direction de hauteur (H) au-dessous du disque de fond de doseur supérieur (13), et
    chaque douille de doseur (15-19) peut être remplie d'une quantité de dosage mise en portion individuelle au moyen de systèmes de coulissement (32-37; 26-31), caractérisé en ce que chaque système de coulissement (32-37; 26-31) présente un élément coulissant (26-31), lequel ferme partiellement ou entièrement la douille de doseur (15-19) associée à celui-ci de manière coulissante.
  2. Dispositif de dosage (11) selon la revendication 1,
    caractérisé en ce que
    la pluralité des éléments coulissants (26-31) sont mobiles parallèlement les uns aux autres et aux disques de fond de doseur (13, 14) dans la direction longitudinale (L).
  3. Dispositif de dosage (11) selon la revendication 1 ou 2, caractérisé en ce que
    chaque élément coulissant (26-31) peut être commandé ou déplacé individuellement au moyen d'un système de commande commun.
  4. Dispositif de dosage (11) selon l'une quelconque des revendications précédentes 1-3,
    caractérisé en ce que
    au moins un élément coulissant (26-31) présente au moins une ouverture, qui peut être disposée à l'intérieur de la douille de doseur (15-19) associée.
  5. Dispositif de dosage (11) selon l'une quelconque des revendications 1-4,
    caractérisé en ce que
    les éléments coulissants (26-31) sont réalisés en forme de plaque.
  6. Dispositif de dosage (11) selon l'une quelconque des revendications 1-5,
    caractérisé en ce que
    chaque élément coulissant (26-31) est disposé de manière à pouvoir se déplacer sur une face inférieure (13a) du disque de fond de doseur supérieur (13).
  7. Dispositif de dosage (11) selon l'une quelconque des revendications 1-6 ,
    caractérisé en ce que
    chaque élément coulissant (26-31) est relié à au moins un élément d'entraînement linéaire (32-37), tel qu'un piston alternatif (32a-34a), dans lequel l'élément coulissant (26-31) et l'élément d'entraînement linéaire (32-37) associé à celui-ci sont disposés parallèlement l'un à l'autre et à distance l'un de l'autre dans la direction de hauteur (H) ou la direction d'étendue de douille de dosage.
  8. Dispositif de dosage (11) selon la revendication 7,
    caractérisé en ce que
    une première extrémité (32b) de chaque élément d'entraînement linéaire (32-37) est fixée au moyen d'une première liaison articulée (41) côté inférieur à l'élément coulissant (26-31) respectivement associé.
  9. Dispositif de dosage (11) selon la revendication 8,
    caractérisé en ce que
    une deuxième extrémité (31c) de chaque élément d'entraînement linéaire (32-37) est fixée côté inférieur au disque de fond de doseur supérieur (13) au moyen d'une deuxième liaison articulée (42).
EP20173906.7A 2019-05-17 2020-05-11 Doseur pourvu de douilles de dosage pouvant être ouvertes pour installations de fabrication de panneaux Active EP3738735B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019113030 2019-05-17

Publications (2)

Publication Number Publication Date
EP3738735A1 EP3738735A1 (fr) 2020-11-18
EP3738735B1 true EP3738735B1 (fr) 2022-08-17

Family

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Application Number Title Priority Date Filing Date
EP20173906.7A Active EP3738735B1 (fr) 2019-05-17 2020-05-11 Doseur pourvu de douilles de dosage pouvant être ouvertes pour installations de fabrication de panneaux

Country Status (2)

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EP (1) EP3738735B1 (fr)
PL (1) PL3738735T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901025A1 (de) * 1979-01-12 1980-07-31 Zyklos Metallbau Kg Verfahren und anlage zum herstellen von betonplatten
DE102004059954B4 (de) * 2004-12-13 2012-03-01 Schindler Steinbearbeitungsmaschinen-Anlagentechnik Gmbh Dosiervorrichtung
CN104227839B (zh) * 2014-09-11 2016-09-14 长兴威力窑业有限公司 一种模具定量注料装置

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Publication number Publication date
EP3738735A1 (fr) 2020-11-18
PL3738735T3 (pl) 2023-06-26

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