ES2253935A1 - Distributor for expandable foam, has freely turnable fold-up plate mounted over expandable foam and pressing upper laminate over foam - Google Patents
Distributor for expandable foam, has freely turnable fold-up plate mounted over expandable foam and pressing upper laminate over foamInfo
- Publication number
- ES2253935A1 ES2253935A1 ES200202065A ES200202065A ES2253935A1 ES 2253935 A1 ES2253935 A1 ES 2253935A1 ES 200202065 A ES200202065 A ES 200202065A ES 200202065 A ES200202065 A ES 200202065A ES 2253935 A1 ES2253935 A1 ES 2253935A1
- Authority
- ES
- Spain
- Prior art keywords
- foam
- expandable
- distributor
- expandable foam
- plate
- 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
Links
- 239000006260 foam Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/14—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
- B29C39/16—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length between endless belts
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Dispositivo distribuidor de espumas expansibles.Foam distributor device expandable
La presente invención se refiere a un dispositivo distribuidor de espumas expansibles, del tipo de los empleados en máquinas conformadoras de paneles con el fin de conseguir la distribución uniforme del producto expansible, suministrado en fase líquida por uno o más cabezales de impulsión, entre una lámina flexible inferior y una lámina flexible superior que avanzan simultáneamente hacia un dispositivo calibrador encargado de determinar el espesor del panel obtenido a base de las espumas expansibles, preferentemente de poliuretano o fenólicas.The present invention relates to a device distributor of expandable foams, of the type of employees in panel forming machines in order to get the uniform distribution of the expandable product, supplied in phase liquid by one or more drive heads, between a sheet flexible bottom and a flexible upper blade that advance simultaneously towards a calibrating device in charge of determine the thickness of the panel obtained based on the foams expandable, preferably polyurethane or phenolic.
En la actualidad es una práctica habitual la fabricación de paneles o placas de material expandido y concretamente de espumas de poliuretano y fenólicas.At present it is a common practice to manufacture of panels or plates of expanded material and specifically of polyurethane and phenolic foams.
Generalmente estos paneles se realizan aplicando la espuma en estado líquido, por parte de uno o más cabezales de impulsión, sobre una lámina inferior de soporte que se desplaza a lo largo de la máquina, aplicándose a continuación sobre el líquido expansible una lámina superior que avanza simultáneamente con la lámina inferior hacia un dispositivo calibrador.Generally these panels are made by applying the foam in liquid state, by one or more heads of drive, on a lower support sheet that moves to along the machine, then applied on the liquid expandable a top sheet that advances simultaneously with the bottom sheet towards a calibrating device.
Dado que el material conformante del panel se aplica en estado líquido éste debe de ser repartido uniformemente entre las láminas superior e inferior con el fin de conseguir un acabado superficial uniforme en todo el panel.Since the panel forming material is apply in a liquid state it must be distributed evenly between the upper and lower sheets in order to achieve a uniform surface finish throughout the panel.
Un sistema habitual de realizar la distribución del líquido es por medio de un distribuidor que se desplaza en un movimiento alternativo a lo ancho de la lámina inferior, que se está desplazando, cubriendo, así, dicha lámina inferior. Este sistema presenta el problema de que en la cara superior puede quedar irregular y atrapar aire lo que se puede reflejar en el acabado final del producto. Otros sistemas utilizan un rodillo o una placa formando un determinado ángulo para forzar la lámina superior a que entre en contacto con la resina expansible.A usual system of distribution of the liquid is through a distributor that moves in a alternative movement across the bottom sheet, which is it is displacing, thus covering said lower sheet. This system presents the problem that in the upper face can get irregular and catch air what can be reflected in the final product finish. Other systems use a roller or a plate forming a certain angle to force the top sheet to come into contact with the expandable resin.
En la patente de invención francesa nº 1550293 se describe un dispositivo de repartición en continuo de líquidos expansibles que comprende dos superficies fijas convergentes que forman un ángulo inferior a 10º y que permite un reparto satisfactorio del líquido expansible con una altura calibrada.In French invention patent No. 1550293, describes a continuous liquid distribution device expandable comprising two convergent fixed surfaces that they form an angle less than 10º and that allows a distribution satisfactory of the expandable liquid with a calibrated height.
En la patente de invención francesa nº 1525046 (con la que se corresponde la patente de invención española nº 346175) se describe un procedimiento de fabricación en continuo de placas de materia expandida, preferentemente de poliuretano, y un aparato para la puesta en práctica de dicho procedimiento. En este caso el reparto del líquido expansible se realiza mediante una primera placa inclinada que realiza un aplastamiento progresivo de las venas de producto líquido suministradas por los cabezales impulsores y por una segunda placa sensiblemente horizontal que es la encargada de conservar la uniformidad y el calibrado obtenido.In French invention patent No. 1525046 (which corresponds to the Spanish invention patent no. 346175) a continuous manufacturing process of expanded matter plates, preferably polyurethane, and a apparatus for implementing said procedure. In this case the distribution of the expandable liquid is done by means of a first inclined plate that performs a progressive crush of liquid product veins supplied by the heads impellers and for a second substantially horizontal plate that is responsible for maintaining uniformity and calibration obtained.
En la patente de invención española 399638 se describe una instalación para la fabricación en continuo de paneles de materia sintética en la que la distribución o reparto del producto líquido suministrado por los cabezales se realiza mediante dos superficies perfiladas que constituyen un primer conformador encargado de extender la materia sintética expansible suministrada por dichos cabezales de la máquina.In Spanish invention patent 399638, describes an installation for the continuous manufacture of panels of synthetic material in which the distribution or distribution of Liquid product supplied by the heads is made by two profiled surfaces that constitute a first shaper responsible for extending the expandable synthetic material supplied by said machine heads.
En la patente de invención 429578 se describe una máquina para la fabricación en continuo de paneles de materia sintética con al menos una cara revestida por un paramento rígido, en la que se realiza un reparto inicial de la materia sintética en estado líquido por medio de una rampa de distribución, pasando a continuación la materia sintética hacia un primer conformador y un segundo conformador de bandas sin fin.An invention patent 429578 describes a machine for the continuous manufacture of panels of matter synthetic with at least one face covered by a rigid wall, in which an initial distribution of synthetic matter is made in liquid state by means of a distribution ramp, going to then the synthetic matter towards a first shaper and a second endless band shaper.
En las dichas patentes, para la distribución del
material expansible en fase líquida se utilizan bien placas fijas o
bien unos medios de regulación que requieren un ajuste micrométrico
con independencia de que el elemento distribuidor se trate de un
rodillo o de un plato calibrado y que los medios de regulación sean
hidráulicos, mecánicos o de cualquier otro tipo. Estos medios de
regulación plantean además otros problemas cuando el caudal de
material expansible suministrado por el o los cabezales es
excesivo, ya que el distribuidor no puede absorber el exceso
de
caudal.In said patents, fixed plates or regulation means requiring micrometric adjustment are used for the distribution of the expandable material in liquid phase, regardless of whether the distributor element is a roller or a calibrated plate and that regulation means are hydraulic, mechanical or any other type. These regulation means also pose other problems when the flow of expandable material supplied by the head (s) is excessive, since the distributor cannot absorb the excess of
flow.
El dispositivo distribuidor de espumas expansibles objeto de la invención y aplicable a máquinas conformadoras de paneles, presenta una serie de particularidades constructivas que le proporcionan una gran simplicidad constructiva, una autorregulación del espesor del material repartido, lo que le permite absorber las diferencias de caudal proporcionadas por el o los cabezales suministradores del producto, así como un fácil ajuste, permite un tiempo de crema corto, e incluso puede desmontarse de la máquina, si se considera conveniente, para trabajar directamente con prensa sobre el panel.The foam dispensing device expandable object of the invention and applicable to machines panel shapers, presents a series of particularities constructive that provide great simplicity constructive, a self-regulation of material thickness distributed, allowing you to absorb the flow differences provided by the product supplier (s), as well as an easy adjustment, it allows a short cream time, and it can even be disassembled from the machine, if considered convenient, to work directly with press on the panel.
De acuerdo con la invención, el dispositivo distribuidor de espumas expansibles objeto de esta invención comprende una placa, inclinada en el sentido de avance de las láminas flexibles, encontrándose montado el extremo posterior de la placa sobre un eje, paralelo a la superficie de avance de la espuma expansible y perpendicular a la dirección de avance de la misma; actuando el extremo anterior de la placa, de forma autorregulable sobre la lámina flexible superior; pudiendo presentar la placa superiormente un dispositivo para regular la fuerza de actuación de la placa abatible sobre la lámina flexible superior.According to the invention, the device distributor of expandable foams object of this invention it comprises a plate, inclined in the direction of advance of the flexible sheets, the rear end of the one-axis plate, parallel to the foam advance surface expandable and perpendicular to the direction of advance thereof; acting the front end of the plate, in a self-regulating way on the upper flexible sheet; being able to present the plate superiorly a device to regulate the acting force of the folding plate on the upper flexible sheet.
El montaje abatible de la placa respecto al eje de giro y su actuación sobre el material expansible, cuando éste ya ha comenzado a espumar, permite que el dispositivo distribuidor se pueda autorregular manteniendo una presión constante sobre el producto expansible, con independencia del caudal suministrado por el o los cabezales de impulsión.The folding mounting of the plate with respect to the axis of rotation and its performance on the expandable material, when it is already has begun to foam, allows the distributor device to can self-regulate maintaining a constant pressure on the expandable product, regardless of the flow rate supplied by the drive head (s).
Otra de las ventajas que proporciona el montaje de la placa abatible sobre el eje es que permite su disposición en una posición inoperante, si se considera conveniente, por ejemplo para trabajar directamente con prensa.Another advantage provided by the assembly of the folding plate on the shaft is that it allows its arrangement in an inoperative position, if deemed convenient, for example To work directly with the press.
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to facilitate the understanding of characteristics of the invention, is attached herein descriptive a set of drawings in which with illustrative character and not limiting, the following has been represented:
La figura 1 muestra una vista esquemática en alzado de una máquina formadora de paneles de espuma expandida, provista del dispositivo distribuidor objeto de la invención.Figure 1 shows a schematic view in elevation of an expanded foam panel forming machine, provided with the distributor device object of the invention.
La figura 2 muestra una vista esquemática en planta de un tramo inicial de la máquina en la que se puede observar el cabezal de impulsión encargado de depositar en zigzag el material expansible en estado líquido sobre la lámina inferior, así como el dispositivo distribuidor objeto de la invención.Figure 2 shows a schematic view in plant of an initial section of the machine in which you can observe the drive head in charge of depositing in zigzag the expandable material in liquid state on the bottom sheet, as well as the distributor device object of the invention.
La máquina conformadora de paneles de espuma expandida mostrada a título ilustrativo, comprende un cabezal de impulsión (1) que describe movimientos laterales alternativos, depositando sobre la lámina inferior (2) el material expansible (3) en fase líquida. El material (3) queda dispuesto en zigzag debido a la combinación del movimiento lateral del cabezal (1) y de avance de la lámina (2).The foam panel forming machine expanded shown for illustrative purposes, it comprises a head of drive (1) describing alternative lateral movements, depositing the expandable material (3) on the bottom sheet (2) in liquid phase. The material (3) is arranged in a zigzag due to the combination of the lateral movement of the head (1) and of advance of the sheet (2).
Como es habitual en este tipo de máquinas, sobre el material expansible (3) se dispone una lámina superior (4) que conformará conjuntamente con la lámina inferior (2) las superficies o paramentos laterales del panel a obtener.As usual in this type of machines, about the expandable material (3) a top sheet (4) is arranged which will form the surfaces (2) together with the surfaces or side panels of the panel to obtain.
El dispositivo distribuidor, referenciado en su conjunto como (5), se coloca entre la zona de aplicación de la resina y la prensa (61, 62).The distributor device, referenced in its set as (5), is placed between the application area of the resin and the press (61, 62).
El dispositivo distribuidor (5) está compuesto por una placa abatible (51) montada libremente por su extremo posterior sobre un eje de giro (52), de forma que la placa (51) actúa con su extremo anterior (53) sobre la lámina superior (4) consiguiendo el reparto o distribución del material expansible (3) entre las láminas inferior (2) y superior (4).The distributor device (5) is composed by a flip plate (51) freely mounted at its end posterior on an axis of rotation (52), so that the plate (51) it acts with its front end (53) on the top sheet (4) getting the distribution or distribution of the expandable material (3) between the lower (2) and upper (4) sheets.
En el ejemplo de realización mostrado en las figuras, sobre la placa abatible (51) se puede observar un dispositivo (54), distanciado del eje de giro (52), y que tiene la finalidad de regular la fuerza realizada por el extremo anterior (53) de la placa abatible (51) sobre la lámina superior (4) y consiguientemente sobre el material expansible (3).In the exemplary embodiment shown in the figures, on the flip plate (51) a device (54), distanced from the axis of rotation (52), and having the purpose of regulating the force made by the anterior end (53) of the folding plate (51) on the top sheet (4) and consequently on the expandable material (3).
A la salida del dispositivo distribuidor (5) el conjunto formado por la lámina inferior (2), el material expansible (3) y la lámina superior (4) avanza conjuntamente hacia un dispositivo calibrador (6) convencional, que en el ejemplo de realización mostrado en la figura está compuesto por dos cintas (61 y 62) que actúan sobre las superficies superior e inferior del panel.At the exit of the distributor device (5) the set formed by the bottom sheet (2), the expandable material (3) and the top sheet (4) advances together towards a conventional calibrating device (6), which in the example of embodiment shown in the figure is composed of two tapes (61 and 62) acting on the upper and lower surfaces of the panel.
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación.Once the nature of The invention, as well as a preferred embodiment, is for the appropriate purposes that the materials, form, size and arrangement of the elements described may be modified, as long as this does not imply an alteration of the essential features of the invention claimed in continuation.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200202065A ES2253935B1 (en) | 2002-09-11 | 2002-09-11 | DISTRIBUTING DEVICE OF EXPANSIBLE FOAMS. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200202065A ES2253935B1 (en) | 2002-09-11 | 2002-09-11 | DISTRIBUTING DEVICE OF EXPANSIBLE FOAMS. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2253935A1 true ES2253935A1 (en) | 2006-06-01 |
| ES2253935B1 ES2253935B1 (en) | 2007-10-16 |
Family
ID=36578840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200202065A Expired - Fee Related ES2253935B1 (en) | 2002-09-11 | 2002-09-11 | DISTRIBUTING DEVICE OF EXPANSIBLE FOAMS. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2253935B1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021564A1 (en) * | 1979-05-31 | 1981-01-07 | Imperial Chemical Industries Plc | Apparatus for the continuous manufacture of foam board |
| DE3241520A1 (en) * | 1982-11-10 | 1984-05-10 | Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen | Device for producing foam webs |
| US4648922A (en) * | 1984-02-24 | 1987-03-10 | Bp Chemicals Limited | Process for the preparation of phenolic foam |
| US5665286A (en) * | 1994-06-29 | 1997-09-09 | Machinenfabrik Hennecke Gmbh | Method for the continuous production of foam blocks or sheets |
-
2002
- 2002-09-11 ES ES200202065A patent/ES2253935B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021564A1 (en) * | 1979-05-31 | 1981-01-07 | Imperial Chemical Industries Plc | Apparatus for the continuous manufacture of foam board |
| DE3241520A1 (en) * | 1982-11-10 | 1984-05-10 | Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen | Device for producing foam webs |
| US4648922A (en) * | 1984-02-24 | 1987-03-10 | Bp Chemicals Limited | Process for the preparation of phenolic foam |
| US5665286A (en) * | 1994-06-29 | 1997-09-09 | Machinenfabrik Hennecke Gmbh | Method for the continuous production of foam blocks or sheets |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2253935B1 (en) | 2007-10-16 |
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