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WO2000009423A1 - Silo for storing light hollow bodies - Google Patents

Silo for storing light hollow bodies Download PDF

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Publication number
WO2000009423A1
WO2000009423A1 PCT/ES1998/000229 ES9800229W WO0009423A1 WO 2000009423 A1 WO2000009423 A1 WO 2000009423A1 ES 9800229 W ES9800229 W ES 9800229W WO 0009423 A1 WO0009423 A1 WO 0009423A1
Authority
WO
WIPO (PCT)
Prior art keywords
silo
laminar
silo according
canvas
rollers
Prior art date
Application number
PCT/ES1998/000229
Other languages
Spanish (es)
French (fr)
Inventor
Jaime Marti Sala
Original Assignee
Jaime Marti Sala
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 Jaime Marti Sala filed Critical Jaime Marti Sala
Priority to PCT/ES1998/000229 priority Critical patent/WO2000009423A1/en
Priority to ES99940206T priority patent/ES2197664T3/en
Priority to AU54234/99A priority patent/AU760104B2/en
Priority to CNB998111872A priority patent/CN1151051C/en
Priority to CA002339957A priority patent/CA2339957C/en
Priority to EP99940206A priority patent/EP1106534B1/en
Priority to BR9912894-2A priority patent/BR9912894A/en
Priority to PT99940206T priority patent/PT1106534E/en
Priority to AT99940206T priority patent/ATE238209T1/en
Priority to US09/762,883 priority patent/US6457610B1/en
Priority to DK99940206T priority patent/DK1106534T3/en
Priority to PCT/ES1999/000262 priority patent/WO2000009425A2/en
Priority to DE69907217T priority patent/DE69907217T2/en
Publication of WO2000009423A1 publication Critical patent/WO2000009423A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • B65D90/20—Frames or nets, e.g. for flexible containers
    • B65D90/205—Frames or nets, e.g. for flexible containers for flexible containers, i.e. the flexible container being permanently connected to the frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/58—Gates or closures having closure members sliding in the plane of the opening
    • B65D90/587—Gates or closures having closure members sliding in the plane of the opening having a linear motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/16—Preventing pulverisation, deformation, breakage, or other mechanical damage to the goods or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2590/00—Component parts, details or accessories for large containers
    • B65D2590/54—Gates or closures
    • B65D2590/545—Gates or closures flexible gates

Definitions

  • the present invention concerns a silo for storage of light hollow bodies, especially for storing empty plastic containers for subsequent feeding to treatment lines (bottling, labeling, filling, etc.), whose silo is of the type which is provided with a loading opening at a high level and a gravity discharge opening in a lower part, superimposed on an output conveyor belt that links with a corresponding subsequent treatment or handling line of said bodies.
  • WO 95/03233 describes a hopper for bulk material supply consisting of a conical shaped container, the area whose section decreases from top to bottom, provided with an outlet opening at one end. lower.
  • the wall of said container is formed by at least one fixed rigid portion, and at least one mobile rigid portion connected to vibrating motion generating means.
  • a first objective of the invention is to provide a large capacity silo, for temporary storage of hollow, light bodies, whose emptying is carried out by gravity, especially suitable for accumulating and supplying at the time they are required. , empty plastic containers for a continuous feeding of bottling lines and allowing to adapt the production characteristics of the forming machine (s), for example injection molding machines, to the needs of bottling lines, during the operating cycles from the same.
  • said silo is provided with means for prevent the formation of "bridges” or "vaults” and all this with a light, safe and very affordable installation.
  • Another objective of this invention is to provide a silo suitable for the storage of light hollow bodies, especially empty plastic bottles, the walls of said silo being easily washable, being able to be "moved" outside so that it can be accessed comfortably to any point of them.
  • Fig. 1 is a simplified perspective view of a silo constructed in accordance with the principles of the present invention
  • Fig. 2 is an enlarged detail illustrating the means of supporting the walls of the silo, and closing its corners
  • Fig. 3 is another enlarged detail of means for tensioning canvases that define said silo walls.
  • the proposed silo comprises a large reservoir (2) provided with a discharge opening in a lower and upper open part, delimited laterally by laminar walls (3) of a flexible material.
  • Each of the aforementioned laminar walls (3) comprises an endless canvas, for example a sturdy canvas, stretched extended, surrounding two parallel drums (4, 5), at different levels, upper and lower, with the possibility of displacement of said canvas, by means of a tractor device (8) associated to one of the drums (4), advantageously to the one located at the lowest level of each pair and operating the second drum (5), of free rotation, as a guide.
  • Said tractor device (8) may be manually operated (such as that shown, that is, a crank, removable) or motorized.
  • each laminar wall (3) has associated, at half height, a pair of rollers (6, 7) between which the aforementioned pinched endless canvas passes, one of whose rollers (7), located on the outside, is susceptible to move rolling with support on the internal roller (6), in order to conveniently tension the said canvas.
  • the silo comprises four laminar walls (3) that delimit a straight, quadrangular parallelepiped enclosure, with support members (9) consisting of column profiles with two cross-panels being provided in the corners, whose wings (10) of the external dihedral provide a support for the ends of the drums (4, 5) and rollers (6, 7) and the inner right-angled wings (11) form an inter-space closing corner between the canvases .
  • the silo could have another section, for example pentagonal or more sides, retaining all the functional characteristics explained.
  • one or more of the said laminar walls (3) is connected to a vibrating or shaking movement generating mechanism, for example to a pneumatic cylinder or to a pusher cam governed from a control center, through at least one connection point between said mechanism and the wall.
  • the degree of tension of the laminar wall with vibrating means can also be controlled from said control center.
  • the mentioned laminar walls (3) will cover the spaces delimited by each frame, with the drums (4, 5) on the upper and lower sides thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

Silo for storing light hollow bodies, particularly adapted to accumulate plastic empty containers with the purpose of providing them later on to bottling lines. The silo is comprised of a large deposit (2) provided with a discharge opening at the bottom part thereof and its walls are comprised of flexible sheets (3) consisting of an endless cloth such as canvas and extending in such a way that it surrounds both parallel cylinders (4, 5) arranged at different levels, with the possibility of displacing said cloth by means of a traction device (8) associated to one of the cylinders (4); the second cylinder (5) rotates freely and acts as a guide; rollers (6, 7) are provided to tension said cloth.

Description

SILO PARA ALMACENAMIENTO DE CUERPOS HUECOS LIGEROS SILO FOR STORAGE OF LIGHT HOLES BODIES
CAMPO DE LA INVENCIÓNFIELD OF THE INVENTION
La presente invención concierne a un silo para almacenamiento de cuerpos huecos livianos, en especial para almacenar recipientes de plástico vacíos cara a una alimentación ulterior de los mismos hacia unas líneas de tratamiento (embotellado, etiquetaje, llenado, etc) , cuyo silo es del tipo que está provisto de una abertura de carga a un nivel alto y de una abertura de descarga por gravedad en una parte inferior, superpuesta a una banda transportadora de salida que enlaza con una correspondiente línea de tratamiento o manipulación de dichos cuerpos, ulterior.The present invention concerns a silo for storage of light hollow bodies, especially for storing empty plastic containers for subsequent feeding to treatment lines (bottling, labeling, filling, etc.), whose silo is of the type which is provided with a loading opening at a high level and a gravity discharge opening in a lower part, superimposed on an output conveyor belt that links with a corresponding subsequent treatment or handling line of said bodies.
Esta clase de cuerpos ligeros, huecos, tales como recipientes de plástico vacíos, de pared delgada, cuando se encuentran dentro de un silo de gran capacidad (por ejemplo un recinto paralelepipédico recto de 4 metros de lado por 5 de alto) provisto de una abertura de descarga en la parte inferior, son altamente propensos a formar "bóvedas" o "puentes" que impiden el flujo regular y continuado de dichos cuerpos por dicha abertura de descarga. Ello es debido a que dichos recipientes frecuentemente presentan formas irregulares y están dotados de protuberancias tales como asas, cuellos etc., que determinan que se entrelacen entre ellos formando una especie de estructura, usualmente llamada "bóveda" o "puente", que, apoyándose contra las paredes, provoca un atasco dentro del silo, impidiendo que los recipientes implicados, y todos los que se encuentran por encima de ellos, desciendan por efecto de la gravedad hacia la parte baja del silo.This kind of light, hollow bodies, such as empty, thin-walled plastic containers, when they are inside a large capacity silo (for example a straight parallelepiped enclosure 4 meters side by 5 high) provided with an opening of discharge in the lower part, they are highly prone to form "vaults" or "bridges" that prevent the regular and continuous flow of said bodies through said discharge opening. This is due to the fact that said containers frequently have irregular shapes and are provided with protuberances such as handles, necks, etc., which determine that they are intertwined forming a kind of structure, usually called "vault" or "bridge", which, supported against the walls, it causes a blockage inside the silo, preventing the containers involved, and all those above them, from descending due to gravity towards the lower part of the silo.
Otro inconveniente de los citados silos, en especial si han de almacenar recipientes destinados a ser llenados posteriormente por líquidos o bebidas de consumo humano, deriva del hecho de la necesidad de una limpieza periódica del interior del silo, lo cual supone una tarea onerosa al tratarse de recintos muy grandes y de complicado acceso (en general únicamente asequibles a través de su abertura superior, con medios elevadores o similares) .Another drawback of the aforementioned silos, especially if they are to store containers intended to be subsequently filled by liquids or drinks for human consumption, derives from the fact of the need for periodic cleaning of the interior of the silo, which is a burdensome task to the they are very large and complicated access enclosures (in general only accessible through their upper opening, with lifting means or the like).
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
En el estado de la técnica se han propuesto diferentes dispositivos para dar solución al problema de suministrar por gravedad otros materiales a granel mazizos, compactos, tales como carbón mineral o grava, que tengan propensión a formar bóvedas. Así, en los documentos US 2.905.365 y US 3.286.886 se describen unos dispositivos de suministro de materiales a granel, o tolvas, formados ambos por un recipiente de paredes fijas planas, rígidas, de sección transversal rectangular, cuya área disminuye de arriba hacia abajo, provisto de una abertura de salida en el extremo inferior. Por la parte interior de, al menos una, de dichas paredes se encuentra adosada una placa plana, rígida, conectada a unos medios para aplicar a dicha placa un movimiento vibratorio. Esta disposición presenta el inconveniente de que entre la placa rígida y la pared de la tolva queda un espacio en el que tienden a introducirse y acumularse partículas de suciedad que entorpecen el funcionamiento del dispositivo, y que son difíciles de limpiar sin desmontar el aparato. Por otro lado, los mecanismos de transmisión del movimiento vibratorio, al estar dispuestos por la parte de fuera de la tolva, deben atravesar la correspondiente pared fija de la misma para conectar con la placa móvil, lo que implica una relativa complejidad de dichos mecanismos. Por otra parte, en el documento WO 95/03233 se describe una tolva para suministro de materiales a granel que consiste en un recipiente de forma troncocónica, el área de cuya sección disminuye de arriba hacia abajo, provisto de una abertura de salida en un extremo inferior. La pared de dicho recipiente está formada por, al menos, una porción rígida fija, y por, al menos, una porción rígida móvil conectada a unos medios generadores de movimiento vibratorio. Esta disposición, si bien representa una cierta simplificación de mecanismos respecto a las anteriormente mencionadas, presenta. el inconveniente de que el elemento que se hace vibrar es, al menos, una porción sustancial de la pared principal del recipiente, la cual debe ser lo suficientemente fuerte para soportar la presión del material y que por lo tanto tendrá una masa relativamente elevada, lo que implica un gran gasto energético. Los dispositivos descritos en los tres documentos anteriormente mencionados son útiles para el suministro de materiales a granel, sólidos, compactos, como por ejemplo mineral de carbón, grava, etc. , los cuales no son susceptibles de sufrir daños por golpes o aplastamientos. Sin embargo, tales dispositivos no son aptos para suministrar a granel cuerpos huecos, ligeros, tales como recipientes de plástico, puesto que éstos son susceptibles de ser aplastados por el movimiento vibratorio de las placas rígidas, o porciones rígidas del depósito, en combinación con el área de sección transversal menguante del mismo, además de por el peso de los propios cuerpos huecos amontonados los unos encima de los otros en el interior del silo, especialmente si éste tiene una gran altura.In the state of the art, different devices have been proposed to solve the problem of gravity supplying other bulk, compact, such as mineral coal or gravel bulk materials, which have a propensity to form vaults. Thus, documents 2,905,365 and US 3,286,886 describe devices for supplying bulk materials, or hoppers, both formed by a container of flat, rigid fixed walls, of rectangular cross-section, whose area decreases from above down, provided with an outlet opening at the lower end. On the inside of at least one of said walls, a flat, rigid plate is attached, connected to means for applying a vibratory movement to said plate. This arrangement has the disadvantage that there is a space between the rigid plate and the wall of the hopper in which dirt particles tend to be introduced and accumulated that hinder the operation of the device, and which are difficult to clean without disassembling the apparatus. On the other hand, the mechanisms of transmission of the vibratory movement, being arranged on the outside of the hopper, must pass through the corresponding fixed wall thereof to connect with the mobile plate, which implies a relative complexity of said mechanisms. On the other hand, WO 95/03233 describes a hopper for bulk material supply consisting of a conical shaped container, the area whose section decreases from top to bottom, provided with an outlet opening at one end. lower. The wall of said container is formed by at least one fixed rigid portion, and at least one mobile rigid portion connected to vibrating motion generating means. This provision, while representing a certain simplification of mechanisms with respect to those mentioned above, presents. the disadvantage that the element that is vibrated is at least a substantial portion of the main wall of the container, which must be strong enough to withstand the pressure of the material and therefore will have a relatively high mass, It implies a great energy expenditure. The devices described in the three aforementioned documents are useful for the supply of bulk, solid, compact materials, such as coal ore, gravel, etc. , which are not susceptible to damage due to blows or crushing. However, such devices are not suitable for bulk supplying hollow, light bodies, such as plastic containers, since these are susceptible to being crushed by the vibratory movement of the rigid plates, or rigid portions of the tank, in combination with the waning cross-sectional area thereof, in addition to the weight of the hollow bodies themselves piled on top of each other inside the silo, especially if it has a great height.
BREVE EXPOSICIÓN DE LA INVENCIÓNBRIEF EXHIBITION OF THE INVENTION
Por lo tanto, un primer objetivo de la invención es el de proporcionar un silo de gran capacidad, para almacenamiento temporal de cuerpos huecos, ligeros, cuyo vaciado se realiza por gravedad, apto en especial para acumular y suministrar en el momento en que se precisen, recipientes de plástico vacíos para una alimentación en continuo de líneas de embotellado y permitiendo adaptar las características de producción de la o las máquinas formadoras de dichos recipientes, por ejemplo moldeadoras por inyección, a las necesidades de las líneas de embotellado, durante los ciclos operativos de las mismas. A tal efecto dicho silo está provisto de unos medios para impedir la formación de "puentes" o "bóvedas" y todo ello con una instalación ligera, segura y de costo muy asequible. Otro objetivo de esta invención consiste en aportar un silo apto para el almacenamiento de cuerpos huecos ligeros, en especial botellas de plástico vacías, siendo las paredes de dicho silo fácilmente lavables, al poder ser "trasladadas" al exterior con lo que se puede acceder cómodamente a cualquier punto de las mismas.Therefore, a first objective of the invention is to provide a large capacity silo, for temporary storage of hollow, light bodies, whose emptying is carried out by gravity, especially suitable for accumulating and supplying at the time they are required. , empty plastic containers for a continuous feeding of bottling lines and allowing to adapt the production characteristics of the forming machine (s), for example injection molding machines, to the needs of bottling lines, during the operating cycles from the same. For this purpose said silo is provided with means for prevent the formation of "bridges" or "vaults" and all this with a light, safe and very affordable installation. Another objective of this invention is to provide a silo suitable for the storage of light hollow bodies, especially empty plastic bottles, the walls of said silo being easily washable, being able to be "moved" outside so that it can be accessed comfortably to any point of them.
BREVE EXPLICACIÓN DE LOS DIBUJOSBRIEF EXPLANATION OF THE DRAWINGS
Estas y otras características aparecerán con mayor claridad a partir de la siguiente descripción detallada de un ejemplo de realización que se aporta con una intención puramente ilustrativa, no limitativa, con relación a los dibujos adjuntos, en los cuales; la Fig. 1 es una vista en perspectiva, simplificada, de un silo construido de acuerdo a los principios de la presente invención; la Fig. 2 es un detalle ampliado que ilustra los medios de soporte de las paredes del silo, y de cierre de sus esquinas; y la Fig. 3 es otro detalle ampliado de unos medios para tensar unos lienzos que definen las citadas paredes del silo.These and other characteristics will appear more clearly from the following detailed description of an exemplary embodiment that is provided with a purely illustrative, non-limiting intent, in relation to the accompanying drawings, in which; Fig. 1 is a simplified perspective view of a silo constructed in accordance with the principles of the present invention; Fig. 2 is an enlarged detail illustrating the means of supporting the walls of the silo, and closing its corners; and Fig. 3 is another enlarged detail of means for tensioning canvases that define said silo walls.
DESCRIPCIÓN EN DETALLE DE UN EJEMPLO DE REALIZACIÓNDETAILED DESCRIPTION OF AN EXAMPLE OF EMBODIMENT
Según muestran dichos dibujos el silo que se propone comprende un amplio depósito (2) provisto de una abertura de descarga en una parte inferior y abierto superiormente, delimitado lateralmente por unas paredes laminares (3) de un material flexible. Cada una de las citadas paredes laminares (3) comprende un lienzo sin fin, por ejemplo una lona resistente, extendida tensada, rodeando a sendos tambores (4, 5) paralelos, a distintos niveles, superior e inferior, con posibilidad de desplazamiento de dicho lienzo, por medio de un dispositivo tractor (8) asociado a uno de los tambores (4) , ventajosamente al situado a más bajo nivel de cada par y obrando el segundo tambor (5) , de giro libre, como guía. El citado dispositivo tractor (8) podrá ser de accionamiento manual (tal como el representado, es decir una manivela, amovible) o bien motorizado.As these drawings show, the proposed silo comprises a large reservoir (2) provided with a discharge opening in a lower and upper open part, delimited laterally by laminar walls (3) of a flexible material. Each of the aforementioned laminar walls (3) comprises an endless canvas, for example a sturdy canvas, stretched extended, surrounding two parallel drums (4, 5), at different levels, upper and lower, with the possibility of displacement of said canvas, by means of a tractor device (8) associated to one of the drums (4), advantageously to the one located at the lowest level of each pair and operating the second drum (5), of free rotation, as a guide. Said tractor device (8) may be manually operated (such as that shown, that is, a crank, removable) or motorized.
Además, cada pared laminar (3) tiene asociados, a media altura, un par de rodillos (6, 7) entre los que transcurren el referido lienzo sin fin pinzado, uno de cuyos rodillos (7) , situado en el exterior, es susceptible de desplazarse rodando con apoyo sobre el rodillo (6) interno, a efectos de tensar convenientemente el citado lienzo.In addition, each laminar wall (3) has associated, at half height, a pair of rollers (6, 7) between which the aforementioned pinched endless canvas passes, one of whose rollers (7), located on the outside, is susceptible to move rolling with support on the internal roller (6), in order to conveniently tension the said canvas.
En el ejemplo ilustrado en el dibujo el silo comprende cuatro paredes laminares (3) que delimitan un recinto paralelepipédico recto, cuadrangular, habiéndose previsto en las esquinas unos miembros de soporte (9) constituidos por unos perfiles-columna con dos paneles en cruz, cuyas alas (10) del diedro externo proporcionan un apoyo para los extremos de los tambores (4, 5) y rodillos (6, 7) y las alas (11) en ángulo recto interiores configuran una esquina de cierre del inter-espacio entre los lienzos.In the example illustrated in the drawing, the silo comprises four laminar walls (3) that delimit a straight, quadrangular parallelepiped enclosure, with support members (9) consisting of column profiles with two cross-panels being provided in the corners, whose wings (10) of the external dihedral provide a support for the ends of the drums (4, 5) and rollers (6, 7) and the inner right-angled wings (11) form an inter-space closing corner between the canvases .
El silo podría tener otra sección, por ejemplo pentagonal o de más lados, conservando todas las características funcionales explicadas. A efectos de evitar la formación de obstrucciones por el citado fenómeno de "bóvedas" o "puentes" se ha previsto que una o más de las citadas paredes laminares (3) esté conectada a un mecanismo generador de movimiento vibratorio o de sacudidas, por ejemplo a un cilindro neumático o a una leva empujadora gobernado desde un centro de control, a través de al menos, un punto de conexión entre el citado mecanismo y la pared. Desde dicho centro de control se podrá gobernar también el grado de tensado de la pared laminar con medios de vibrado. En una realización alternativa, que no se ha ilustrado, se ha previsto construir el silo mediante una estructura fija, de barras rígidas que forman unos marcos que delimitan un espacio en forma de paralelepípedo que soporta un dispositivo dispensador el cual proporciona dicha abertura de descarga, sustentando además dicha estructura de barras los citados tambores (4, 5) y rodillos (6, 7) sobre los que se extienden dichas paredes laminares y los citados rodillos.The silo could have another section, for example pentagonal or more sides, retaining all the functional characteristics explained. In order to prevent the formation of obstructions due to the aforementioned phenomenon of "vaults" or "bridges", it is provided that one or more of the said laminar walls (3) is connected to a vibrating or shaking movement generating mechanism, for example to a pneumatic cylinder or to a pusher cam governed from a control center, through at least one connection point between said mechanism and the wall. The degree of tension of the laminar wall with vibrating means can also be controlled from said control center. In an alternative embodiment, which has not been illustrated, it is planned to build the silo by means of a fixed structure, of rigid bars that form frames that delimit a parallelepiped-shaped space that supports a dispensing device which provides said discharge opening, said bar structure further supporting said drums (4, 5) and rollers (6, 7) on which said laminar walls and said rollers extend.
En este caso las citadas paredes laminares (3) cubrirán los espacios delimitados por cada marco, con los tambores (4, 5) en los lados superior e inferior de los mismos. In this case the mentioned laminar walls (3) will cover the spaces delimited by each frame, with the drums (4, 5) on the upper and lower sides thereof.

Claims

REIVINDICACIONES 1.- Silo para almacenamiento de cuerpos huecos ligeros, en particular apto para acumular recipientes de plástico, vacíos, cara a una alimentación ulterior de los mismos hacia unas líneas de embotellado del tipo que comprende un amplio depósito (2) provisto de una abertura de descarga en una parte inferior, caracterizado porque al menos la zona alta del depósito (2) , por encima de la región que ocupa la citada abertura de descarga, está delimitada lateralmente por unas paredes laminares (3) de un material flexible.CLAIMS 1.- Silo for storage of light hollow bodies, in particular suitable for accumulating empty plastic containers, facing a subsequent feeding thereof towards bottling lines of the type comprising a large tank (2) provided with an opening discharge in a lower part, characterized in that at least the upper area of the tank (2), above the region occupied by said discharge opening, is laterally delimited by laminar walls (3) of a flexible material.
2.- Silo, según la reivindicación 1, caracterizado porque cada una de las citadas paredes laminares (3) comprende un lienzo sin fin tal como una lona resistente, extendida de manera que rodea sendos tambores (4, 5) paralelos, a distintos niveles, superior e inferior, con posibilidad de desplazamiento de dicho lienzo, por medio de un dispositivo tractor (8) asociado a uno de los tambores (4) , y obrando el segundo tambor (5) , de giro libre, como guía. 2. Silo according to claim 1, characterized in that each of said laminar walls (3) comprises an endless canvas such as a sturdy canvas, extended so that it surrounds two parallel drums (4, 5), at different levels , upper and lower, with the possibility of displacement of said canvas, by means of a tractor device (8) associated with one of the drums (4), and working the second drum (5), free-turning, as a guide.
3.- Silo, según la reivindicación 2, caracterizado porque cada pared laminar (3) tiene asociados, a media altura, un par de rodillos (6, 7) entre los que transcurren el lienzo pinzado, uno de cuyos rodillos (7) , situado en el exterior, es susceptible de desplazarse rodando con apoyo sobre el rodillo (6) interno, a efectos de tensar convenientemente el citado lienzo.3. Silo according to claim 2, characterized in that each laminar wall (3) has, at half height, associated a pair of rollers (6, 7) between which the pinched canvas passes, one of whose rollers (7), located on the outside, it can be moved by rolling with support on the internal roller (6), in order to properly tension the said canvas.
4.- Silo, según la reivindicación 1, caracterizado porque tiene una sección transversal poligonal y porque en las zonas de yuxtaposición de las paredes laminares (3) flexibles se han previsto unos miembros de soporte (9) constituidos por unos perfiles-columna de sección en cruz, con unas alas (10) del diedro externo constituyendo un apoyo para los extremos de los tambores (4, 5) y rodillos (6, 7) y con las alas (11) en ángulo recto interiores configurando una esquina de cierre y protección del inter-espacio entre los lienzos.4. Silo according to claim 1, characterized in that it has a polygonal cross-section and in that in the juxtaposition zones of the flexible laminar walls (3), support members (9) constituted by section column profiles are provided. in cross, with wings (10) of the external dihedral constituting a support for the ends of the drums (4, 5) and rollers (6, 7) and with the wings (11) at right angles inside configuring a closing corner and inter-space protection between canvases.
5.- Silo, según la reivindicación 1, caracterizado por comprender cuatro paredes laminares (3) que delimitan un recinto paralelepipédico recto, cuadrangular.5. Silo according to claim 1, characterized by comprise four laminar walls (3) that delimit a straight, quadrangular parallelepiped enclosure.
6.- Silo, según la reivindicación 1, caracterizado porque al menos una de dichas paredes laminares (3) está conectada a un mecanismo generador de movimiento vibratorio a través de al menos, un punto de conexión.6. Silo according to claim 1, characterized in that at least one of said laminar walls (3) is connected to a vibrating movement generating mechanism through at least one connection point.
7.- Silo, según la reivindicación 6, caracterizado porque el citado mecanismo generador de movimiento vibratorio se gobierna desde un centro de control que puede regular también el grado de tensado de la pared laminar (3) a la que se aplica.7. Silo according to claim 6, characterized in that said vibratory motion generating mechanism is governed from a control center that can also regulate the degree of tension of the laminar wall (3) to which it is applied.
8.- Silo, según la reivindicación 1, caracterizado porque dicho depósito comprende una estructura fija, de barras rígidas que forman unos marcos que delimitan un espacio en forma de paralelepípedo que soporta un dispositivo dispensador que proporciona dicha abertura de descarga (3) , sustentando además dicha estructura de barras los citados tambores (4, 5) y rodillos (6, 7) sobre los que se extienden dichas paredes laminares y los citados rodillos.8. Silo according to claim 1, characterized in that said reservoir comprises a fixed structure, of rigid bars that form frames that delimit a parallelepiped-shaped space that supports a dispensing device that provides said discharge opening (3), supporting further said bar structure said drums (4, 5) and rollers (6, 7) on which said laminar walls and said rollers extend.
9.- Silo, según la reivindicación 7, caracterizado porque dichas paredes laminares (3) cubren los espacios delimitados por cada marco. 9. Silo according to claim 7, characterized in that said laminar walls (3) cover the spaces delimited by each frame.
PCT/ES1998/000229 1998-08-11 1998-08-11 Silo for storing light hollow bodies WO2000009423A1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
PCT/ES1998/000229 WO2000009423A1 (en) 1998-08-11 1998-08-11 Silo for storing light hollow bodies
ES99940206T ES2197664T3 (en) 1998-08-11 1999-08-11 SILO FOR STORAGE AND REGULATED SUPPLY OF EMPTY LIGHT PACKAGES, AND METHOD FOR USE.
AU54234/99A AU760104B2 (en) 1998-08-11 1999-08-11 Silo for storing and controlled supply of empty light containers, and method for using such silo
CNB998111872A CN1151051C (en) 1998-08-11 1999-08-11 Silo for storing and controlled supply of empty light containers, and method for using such silo
CA002339957A CA2339957C (en) 1998-08-11 1999-08-11 Silo for storing and controlled supply of empty light containers, and method for using such silo
EP99940206A EP1106534B1 (en) 1998-08-11 1999-08-11 Silo for storing and controlled supply of empty light containers, and method for using such silo
BR9912894-2A BR9912894A (en) 1998-08-11 1999-08-11 Silo for controlled storage and supply of empty light containers and method for their use
PT99940206T PT1106534E (en) 1998-08-11 1999-08-11 SILO FOR STORAGE AND CONTROLLED SUPPLY OF EMPTY LIGHT CONTAINERS AND METHOD FOR USING TAL SILO
AT99940206T ATE238209T1 (en) 1998-08-11 1999-08-11 SILO FOR STORAGE AND CONTROLLED SUPPLY OF LIGHT, HOLLOW VESSELS AND METHOD FOR USE THEREOF
US09/762,883 US6457610B1 (en) 1998-08-11 1999-08-11 Silo for storing and controlled supply of empty light containers, and method for using such silo
DK99940206T DK1106534T3 (en) 1998-08-11 1999-08-11 Silo for storage and controlled discharge of empty, lightweight containers and method for using such silo
PCT/ES1999/000262 WO2000009425A2 (en) 1998-08-11 1999-08-11 Silo for storing and controlled supply of empty light containers, and method for using such silo
DE69907217T DE69907217T2 (en) 1998-08-11 1999-08-11 SILO FOR STORAGE AND REGULATED SUPPLY OF LIGHT, HOLLOW VESSELS AND METHOD FOR USE THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES1998/000229 WO2000009423A1 (en) 1998-08-11 1998-08-11 Silo for storing light hollow bodies

Publications (1)

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WO2000009423A1 true WO2000009423A1 (en) 2000-02-24

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CN (1) CN1151051C (en)
PT (1) PT1106534E (en)
WO (1) WO2000009423A1 (en)

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CN1151051C (en) 2004-05-26
PT1106534E (en) 2003-09-30

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