ES1186083U - Device of supply and distribution of pulverulent substances for presses of conformation of ceramic pieces (Machine-translation by Google Translate, not legally binding) - Google Patents
Device of supply and distribution of pulverulent substances for presses of conformation of ceramic pieces (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES1186083U ES1186083U ES201730653U ES201730653U ES1186083U ES 1186083 U ES1186083 U ES 1186083U ES 201730653 U ES201730653 U ES 201730653U ES 201730653 U ES201730653 U ES 201730653U ES 1186083 U ES1186083 U ES 1186083U
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- frame
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Abstract
Description
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DESCRIPCIONDESCRIPTION
Dispositivo de suministro y distribution de sustancias pulverulentas para prensas de conformacion de piezas ceramicasDevice for supplying and distributing powdered substances for presses for forming ceramic pieces
CAMPO TECNICO DE LAINVENCIONTECHNICAL FIELD OF THE INVENTION
La presente invencion se encuadra en el campo tecnico de los dispositivos de suministro y distribucion de sustancias pulverulentas para la fabricacion de articulos ceramicos planos tales como azulejos de revestimiento y baldosas de pavimentacion que precisan de conformado en prensas de la materia prima que los compone.The present invention falls within the technical field of devices for the supply and distribution of powdery substances for the manufacture of flat ceramic articles such as cladding tiles and paving tiles that require forming into presses of the raw material that composes them.
ANTECEDENTES DE LA INVENCIONBACKGROUND OF THE INVENTION
En la fabricacion de articulos ceramicos planos, tales como azulejos, losas y baldosas, es habitual la utilizacion de bancadas de conformacion que comprenden moldes penetrantes compuestos por dos semimoldes, uno macho provisto de una pluralidad de punzones de compactacion superiores, y otro hembra con una matriz de alojamientos o alveolos, en los se dispone una sustancia pulverulenta en bruto o semiprocesada como por ejemplo tierra o arcilla, a partir de la que se conforman, mediante la accion prensora de los punzones superiores, piezas compactadas de un material denominado bizcocho a partir de dicho momento, que posteriormente se someten a tratamientos ulteriores, como por ejemplo esmaltado, decoracion y coccion para obtener los articulos ceramicos planos acabados correspondientes.In the manufacture of flat ceramic articles, such as tiles, slabs and tiles, it is usual to use forming benches comprising penetrating molds composed of two half-molds, one male provided with a plurality of upper compaction punches, and another female with a matrix of housings or alveoli, in which a raw or semi-processed powdery substance such as earth or clay is arranged, from which, by means of the pressing action of the upper punches, compacted pieces of a material called biscuit are formed from from that moment, which subsequently undergo further treatments, such as for example enamelling, decoration and cooking to obtain the corresponding finished flat ceramic articles.
Para la realizacion de las piezas compactadas se requiere una carga homogenea de la sustancia pulverulenta en las cavidades de la matriz para obtener un cuerpo prensado lo mas homogeneo posible. No obstante, en la practica industrial resulta muy diffcil conseguir una carga totalmente homogenea en todos los alveolos de la matriz del molde hembra.For the realization of the compacted pieces, a homogeneous load of the powder substance is required in the cavities of the matrix to obtain a pressed body as homogeneous as possible. However, in industrial practice it is very difficult to achieve a completely homogeneous load in all the alveoli of the female mold matrix.
En una etapa previa a la compactacion y moldeo la sustancia pulverulenta se encuentra almacenada externamente y es preciso suministrarla y distribuirla uniformemente sobre la matriz provista de alojamientos o alveolos receptores de los moldes hembra de la prensa.At a stage prior to compaction and molding, the powdery substance is stored externally and must be supplied and distributed evenly over the matrix provided with housings or receiving cells of the female molds of the press.
Para ello se utiliza habitualmente una tolva de llenado del dispositivo de suministro y distribucion de la sustancia pulverulenta que comprende al menos un carro movil de distribucion de la sustancia pulverulenta a la bancada de conformacion, de tal modo que el suministro y distribucion de dicha sustancia se lleva a cabo mediante el arrastre del carro movil que la desplaza a la matriz del molde; el carro movil esta provisto de un elemento denominado parrilla que comprende a su vez un bastidor perimetral externo o bien un marco de soporte y apoyo externo, y una serie de laminas, rejillas, rascadores o cuchillas dispuestos paralela o entrecruzadamente y separados entre si, que tienen como funcion principal recoger superiormente y distribuir inferiormente la sustancia pulverulenta por efecto combinado de la gravedad y de un movimiento de arrastre y barrido repetitivo del carro movil sobre la matriz del molde. La parrilla puede ser auto-portante o bien estar inserta en un marco externo de soporte y apoyo.For this purpose, a filling hopper for the supply and distribution device of the powder substance is usually used, which comprises at least one mobile trolley for distributing the powder substance to the forming bed, such that the supply and distribution of said substance is carried out by dragging the mobile car that moves it to the mold matrix; The mobile car is provided with an element called a grill which in turn comprises an external perimeter frame or an external support and support frame, and a series of sheets, grilles, scrapers or blades arranged parallel or cross-linked and separated from each other, which Their main function is to collect superiorly and inferiorly distribute the pulverulent substance due to the combined effect of gravity and of a repetitive dragging and sweeping movement of the mobile car on the mold matrix. The grill can be self-supporting or be inserted into an external support and support frame.
Como consecuencia de dicho movimiento repetitivo se produce un desgaste por friccion de los materiales tanto de las cuchillas y el marco como de la matriz y la bancada. Una forma de evitar dicho desgaste consiste en dejar cierta distancia entre la superficie inferior del carro movil y la parrilla, y la superficie superior de la matriz, pero ello provoca que el barrido sea incompleto y el llenado de los alveolos de la matriz resulte irregular. Si por el contrario se aproximan ambas superficies aparecen los inconvenientes antes citados de desgaste, ruido, abrasion y friccion, lo que reduce la vida util de las parrillas.As a consequence of said repetitive movement, friction wear of the materials of both the blades and the frame and of the die and the bed is produced. One way to avoid such wear is to leave some distance between the lower surface of the mobile car and the grill, and the upper surface of the die, but this causes the sweep to be incomplete and the filling of the sockets of the die is irregular. If, on the contrary, both surfaces approach, the aforementioned problems of wear, noise, abrasion and friction appear, which reduces the useful life of the grills.
Ademas, las parrillas del estado de la tecnica, asl como sus bastidores externos, o bien los marcos externos de soporte y apoyo de la parrilla, presentan en su parte inferior estructuras de geometrla lineal y angulos rectos, de tal forma que la friccion derivada del movimiento de arrastre y barrido repetitivo provoca un efecto de cuchillo o filo sobre la matriz y que su desgaste sea especialmente acusado en dichas zonas, creando ranuras de desgaste sustancialmente rectas que provocanIn addition, the state-of-the-art grills, as well as their external racks, or the external support and support frames of the grill, have linear geometry structures and straight angles in their lower part, so that the friction derived from the repetitive sweeping and dragging movement causes a knife or cutting edge effect on the die and that its wear is especially marked in these areas, creating substantially straight wear grooves that cause
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posteriormente deslizamientos inapropiados en la carga de la sustancia pulverulenta sobre los alveolos de la matrz, y tienden a provocar fugas de dicha sustancia, irregularidades en la misma y ello a su vez vibraciones indeseadas del dispositivo. Por otra parte, la geometria lineal y en angulo recto tambien implica que se produzca reiteradamente un golpe brusco de los bordes superiores de los alveolos de la matriz con las cuchillas y el bastidor o marco externos, al contactar entre si al mismo tiempo en toda su extension durante el movimiento de arrastre y barrido, lo que igualmente afecta desfavorablemente a la durabilidad de los alveolos.subsequently inappropriate slides in the loading of the pulverulent substance on the alveoli of the matrix, and tend to cause leaks of said substance, irregularities in it and this in turn unwanted vibrations of the device. On the other hand, the linear and right-angle geometry also implies that there is a sudden blow of the upper edges of the alveoli of the matrix with the blades and the external frame or frame, when contacting each other at the same time in all its extension during the dragging and sweeping movement, which also adversely affects the durability of the alveoli.
DESCRIPCION DE LA INVENCIONDESCRIPTION OF THE INVENTION
La presente invencion tiene por objeto superar los inconvenientes del estado de la tecnica mas arriba detallados, mediante un dispositivo de suministro y distribucion de sustancias pulverulentas para prensas de conformacion de piezas ceramicas que comprende al menos una parrilla y un bastidor o un marco de soporte externos en cuya parte inferior al menos parte de su estructura comprende una geometria angular distinta del angulo recto en uno o varios de sus laterales.The present invention aims at overcoming the drawbacks of the state of the art detailed above, by means of a device for supplying and distributing powdered substances for presses for the conformation of ceramic pieces comprising at least one grill and an external frame or support frame. in whose lower part at least part of its structure comprises an angular geometry different from the right angle on one or several of its sides.
De esta manera se obtienen dos ventajas principales ; por una parte que el lateral dotado de dicha geometria angular beneficia la durabilidad de los materiales de composicion o recubrimiento de la parrilla y bastidor o marco externos frente a la friccion del movimiento de arrastre y barrido, puesto que evita el golpe brusco de las cuchillas sobre los alveolos de la matrz y disminuye considerablemente el mantenimiento y el deterioro de la propia parrilla y su bastidor o marco externos; por otra parte, la geometria angular antes mencionada evita tambien el desgaste de las matrices por su diferenciacion en la friccion continua, desapareciendo el efecto cuchillo derivado del movimiento lineal de las estructuras en angulos rectos en friccion constante, de tal modo que se minimiza dicho efecto y disminuye la necesidad de realzar paradas continuas para intervenciones de reparacion en la matrz, favoreciendo un ahorro en el coste de mantenimiento de los moldes.In this way two main advantages are obtained; on the one hand that the side endowed with said angular geometry benefits the durability of the materials of composition or coating of the grill and external frame or frame against the friction of the dragging and sweeping movement, since it avoids the sharp blow of the blades on the alveoli of the matrz and considerably reduces the maintenance and deterioration of the grill itself and its external frame or frame; on the other hand, the aforementioned angular geometry also prevents the wear of the matrices due to their differentiation in continuous friction, the knife effect derived from the linear movement of the structures at right angles in constant friction disappearing, in such a way that said effect is minimized and it diminishes the need to enhance continuous stops for repair interventions in the matrix, favoring a saving in the cost of maintenance of the molds.
En la realizacion de la parrilla que comprende un bastidor perimetral externo, dicho bastidor presenta una forma rectangular conform ada a partir de cuatro laterales, dos largueros y dos travesanos, preferentemente desmontables, y al menos dos de cualquiera de ellos, en posicion enfrentada, presentan una serie de alojamientos verticales destinados a albergar y retener las correspondientes cuchillas. La parte inferior de los largueros, la parte inferior de los travesanos, o bien la de todos ellos, puede presentar una geometria angular inferior o superior al angulo recto o una combinacion de ambas.In the embodiment of the grill comprising an external perimeter frame, said frame has a rectangular shape formed from four sides, two stringers and two crossbars, preferably removable, and at least two of any of them, in facing position, have a series of vertical housings intended to house and retain the corresponding blades. The lower part of the stringers, the lower part of the crossbars, or that of all of them, can have an angular geometry inferior or superior to the right angle or a combination of both.
En otra realzacion de la parrilla, que comprende un marco de soporte y apoyo externo, dicho marco presenta una forma externa rectangular conformada a partir de cuatro laterales, dos largueros y dos travesanos, preferentemente desmontables, y un area interna rectangular definida por al menos una separacion paralela distanciada internamente de uno o varios de los largueros o travesanos externos. En la parte inferior de una o varias de dichas separaciones paralelas pueden existir nervaduras de refuerzo y al menos alguna de dichas nervaduras presentar una geometria angular inferior o superior al angulo recto o una combinacion de ambas.In another embodiment of the grill, which comprises an external support and support frame, said frame has a rectangular external shape formed from four sides, two stringers and two crossbars, preferably removable, and a rectangular internal area defined by at least one parallel separation internally distanced from one or more of the outer stringers or crossbars. In the lower part of one or more of said parallel separations there may be reinforcement ribs and at least some of said ribs have an angular geometry inferior or superior to the right angle or a combination of both.
De acuerdo con lo que se desprende de lo anterior, la presente invencion supera los inconvenientes del estado de la tecnica referidos y proporciona una alternativa evolutiva mediante un dispositivo mejorado.In accordance with the foregoing, the present invention overcomes the drawbacks of the state of the art referred to and provides an evolutionary alternative by means of an improved device.
BREVE DESCRIPCION DE LAS FIGURASBRIEF DESCRIPTION OF THE FIGURES
A continuacion se describen aspectos y realzaciones de la invencion sobre la base de unos dibujos esquematicos, en los queAspects and enhancements of the invention are described below on the basis of schematic drawings, in which
la figura 1 es una vista en perspectiva superior de una explosion de un punzon hem bra provista de una matrz con alveolos de moldeo, y de una parrilla con marco de soporte y apoyo externo;Figure 1 is a top perspective view of an explosion of a female punch provided with a die with molding sockets, and a grill with external support and support frame;
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la figura 2 es una vista en planta inferior de la parrilla con marco de soporte y apoyo;Figure 2 is a bottom plan view of the grill with support and support frame;
la figura 3 es una vista en perspectiva superior de la parrilla con marco de soporte y apoyo;Figure 3 is a top perspective view of the grill with support and support frame;
la figura 4 es una vista en planta inferior de la parrilla auto-portante con bastidor perimetral externo;Figure 4 is a bottom plan view of the self-supporting grill with external perimeter frame;
la figura 5 es una vista en planta inferior de un lateral del bastidor perimetral externo de la parrilla auto-portante;Figure 5 is a bottom plan view of one side of the outer perimeter frame of the self-supporting grill;
la figura 6 es una vista en perspectiva inferior del lateral del bastidor perimetral externo de la parrilla auto-portante;Figure 6 is a bottom perspective view of the side of the outer perimeter frame of the self-supporting grid;
En estas figuras aparecen referencias numericas que identifican los siguientes elementos:These figures show numerical references that identify the following elements:
- 1 one
- matriz punzon hembra female punch matrix
- 2 2
- alveolos alveoli
- 3 3
- parrilla grill
- 4a 4th
- marco de soporte y apoyo support and support framework
- 4b 4b
- bastidor perimetral perimeter frame
- 5 5
- parte inferior del marco o del bastidor lower part of the frame or frame
- 6 6
- geometrla angular angular geometry
- 7 7
- area interna de separacion entre los bordes externos e internos del marco de soporte MODOS DE REALIZAR LA INVENCION internal area of separation between the external and internal edges of the support frame MODES OF CARRYING OUT THE INVENTION
El dispositivo de suministro y distribucion de sustancias pulverulentas para prensas de conformacion de piezas ceramicas cuya realizacion se muestra en la figura 1 comprende una matriz punzon hembra -1-, provista de una pluralidad de alveolos -2-, un marco de soporte y apoyo -4a- que presenta un area interna de separacion entre los bordes externos e internos del marco de soporte -7- entre la que se inserta una parrilla -3- o alternativamente un bastidor perimetral -4b-, en ambos casos destinados a llevar a cabo la distribucion de la sustancia pulverulentaThe device for supplying and distributing pulverulent substances for presses for forming ceramic pieces whose embodiment is shown in Figure 1 comprises a female punch matrix -1-, provided with a plurality of alveoli -2-, a support and support frame - 4a- which has an internal area of separation between the external and internal edges of the support frame -7- between which a grill -3- or alternatively a perimeter frame -4b- is inserted, in both cases intended to carry out the powdery substance distribution
Segun una realizacion preferente de la invencion que se ilustra en las Figuras 1,2 y 3 la parte inferior - 5- del marco de soporte y apoyo -4a- comprende al menos en uno de los laterales de la estructura una geometrla angular -6-.According to a preferred embodiment of the invention illustrated in Figures 1,2 and 3, the lower part - 5- of the support and support frame -4a- comprises at least one of the sides of the structure an angular geometry -6- .
En una realizacion preferente de la parte inferior -5- del marco de soporte y apoyo -4a- las areas internas de separacion entre los bordes externos e internos del marco de soporte -7- comprenden un recubrimiento o relleno de material deslizante y resistente a la abrasion para evitar la entrada o acumulacion indeseada de la sustancia pulverulenta.In a preferred embodiment of the lower part -5- of the support and support frame -4a- the internal areas of separation between the external and internal edges of the support frame -7- comprise a coating or padding of sliding material and resistant to the abrasion to prevent unwanted entry or accumulation of the powder substance.
Conforme a otra de las realizaciones posibles de la invencion que se ilustra en la Figuras 4, 5 y 6 el dispositivo de suministro y distribucion de sustancias pulverulentas para prensas de conformacion de piezas ceramicas comprende un bastidor perimetral -4b- integrado por perfiles amovibles que conforman una parrilla auto-portante de distribucion integrada por rascadores dispuestos preferentemente en paralelo en la parte interior del bastidor perimetral -4b-, donde uno o varios de los laterales de dicho bastidor perimetral -4b- presentan en su parte inferior una combinacion de geometrlas angulares -6-.According to another of the possible embodiments of the invention illustrated in Figures 4, 5 and 6, the device for supplying and distributing pulverulent substances for presses for forming ceramic pieces comprises a perimeter frame -4b- composed of removable profiles that make up a self-supporting distribution grid composed of scrapers preferably arranged in parallel on the inside of the perimeter frame -4b-, where one or more of the sides of said perimeter frame -4b- have a combination of angular geometries in their lower part - 6-.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201730653U ES1186083Y (en) | 2017-06-01 | 2017-06-01 | SUPPLY AND DISTRIBUTION DEVICE OF PULVERULENT SUBSTANCES FOR CERAMIC PARTS CONFORMATION PRESSES |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201730653U ES1186083Y (en) | 2017-06-01 | 2017-06-01 | SUPPLY AND DISTRIBUTION DEVICE OF PULVERULENT SUBSTANCES FOR CERAMIC PARTS CONFORMATION PRESSES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES1186083U true ES1186083U (en) | 2017-06-26 |
| ES1186083Y ES1186083Y (en) | 2017-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201730653U Active ES1186083Y (en) | 2017-06-01 | 2017-06-01 | SUPPLY AND DISTRIBUTION DEVICE OF PULVERULENT SUBSTANCES FOR CERAMIC PARTS CONFORMATION PRESSES |
Country Status (1)
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| ES (1) | ES1186083Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2718257A1 (en) * | 2017-12-28 | 2019-06-28 | Macer S L | Device for supplying at least one powdery substance, particularly for forming presses for ceramic pieces (Machine-translation by Google Translate, not legally binding) |
-
2017
- 2017-06-01 ES ES201730653U patent/ES1186083Y/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2718257A1 (en) * | 2017-12-28 | 2019-06-28 | Macer S L | Device for supplying at least one powdery substance, particularly for forming presses for ceramic pieces (Machine-translation by Google Translate, not legally binding) |
| WO2019129906A1 (en) * | 2017-12-28 | 2019-07-04 | Macer, S.L. | Device for supplying at least one powdery substance, in particular for presses for forming ceramic parts |
Also Published As
| Publication number | Publication date |
|---|---|
| ES1186083Y (en) | 2017-09-15 |
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Effective date: 20170911 |