EP1841653A1 - Device for filling a container with at least one type of powder material - Google Patents

Device for filling a container with at least one type of powder material

Info

Publication number
EP1841653A1
EP1841653A1 EP06709430A EP06709430A EP1841653A1 EP 1841653 A1 EP1841653 A1 EP 1841653A1 EP 06709430 A EP06709430 A EP 06709430A EP 06709430 A EP06709430 A EP 06709430A EP 1841653 A1 EP1841653 A1 EP 1841653A1
Authority
EP
European Patent Office
Prior art keywords
filling
container
conduit
duct
suction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06709430A
Other languages
German (de)
French (fr)
Other versions
EP1841653B1 (en
Inventor
Luc Federzoni
Pascal Revirand
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP1841653A1 publication Critical patent/EP1841653A1/en
Application granted granted Critical
Publication of EP1841653B1 publication Critical patent/EP1841653B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/28—Controlling escape of air or dust from containers or receptacles during filling

Definitions

  • the present invention relates primarily to a method of filling a container with at least one powdered material, and at least one
  • the materials in the form of powder are very numerous, for example the detergents, milk powder or cement. In the industry, these are powder materials intended to be
  • US 2003/0113222 proposes a device for injecting air into the air.
  • Powder material at the time of filling the mold in order to homogeneously distribute the different particle size of material.
  • a filling device provided with at least one ventilation duct of a mold intended to be filled by means of said device.
  • ducts are provided to allow air to escape from the mold and to leave room for the powder, or to be sucked out of the mold, a slight suction speeding up the filling is then generated.
  • the main subject of the present invention is a device for filling a container with at least one substance in the form of a powder, said device comprising a filling channel intended to bring the material from a stock of material to an inlet of the container.
  • container characterized in that also comprises means for discharging a pneumatic fluid contained in said container.
  • the evacuation means comprise at least one duct intended to connect the inside of the container to an environment outside the container during the filling phase, called the first duct and / or a duct intended to evacuate the air before filling. , said second conduit.
  • the second exhaust duct connects to the first duct.
  • the first exhaust duct is internal to the filling channel.
  • a suction means of the air contained in the container is connected to the first and / or second conduit.
  • the suction means is a pneumatic pump.
  • the first duct may be connected to the pump by at least two secondary ducts, advantageously three, distributed angularly in a regular manner around the first duct.
  • said suction means is mounted in the filling channel and is formed by at least one blade mounted on a lower face of a disk intended to be rotated about its axis, said disk comprising in its central part an orifice connected to the first discharge duct.
  • At least one powder material distribution member may also be provided in the container projecting from an upper face of the disk.
  • the filling device may also comprise a cylindrical core disposed axially below the plate and having a third discharge conduit disposed in line with the first conduit and opening into the upper part of the container by at least one secondary conduit.
  • the device comprises a plurality of secondary conduits distributed angularly in a regular manner around the third conduit.
  • the suction disk and a distribution disc distinct from the suction disk and placed before the suction disk in the direction of filling of the material are integral in rotation of a shaft adapted to be rotated and in which the first discharge conduit is made.
  • the filling device is in the form of a shoe for sliding on a table having an orifice connected to the inlet of a container.
  • the device according to the present invention is particularly intended to fill at least one mold for making parts by sintering, compression, compression-sintering or hot isostatic pressing.
  • the present invention also relates to a method of filling a container with at least one powdered material including the step of evacuating the air contained in the container during the introduction of the powder material and / or prior to the placement of said material.
  • FIG. 1 is a schematic representation of a first example of a filling device according to the present invention
  • FIG. 2 is a schematic representation of the device of FIG. 1 in a phase prior to filling
  • FIG. 3 is a schematic representation of the device of FIG. 1 at the beginning of filling
  • FIG. 4 is a schematic representation of the device of FIG. 1 at the end of filling
  • FIG. 5 is a schematic representation of a second example of a filling device according to the present invention
  • FIG. 6 is a sectional view of a second embodiment of a device according to the present invention
  • FIG. 7 is an isometric perspective view of a detail of FIG. 6,
  • Figure 7a is a detail view of Figure 7;
  • Figure 8 is a longitudinal sectional view of another example of the second embodiment.
  • a filling device comprising a shoe 2 said filling intended to slide along the arrow F on a table 4 in which cavities are made 6 to fill, for example molds.
  • the shoe comprises a filling channel 8 connected to a reserve of powdery material (not shown) by an upper end 7, the channel 8 opens into a lower portion 10 or soleplate intended to be in contact with the table 4, through a hole flow 12 through which the powder material has flowed into the container 6.
  • the shoe also comprises means 14 allowing a pneumatic fluid contained in the container 6, for example to air to be evacuated from the container.
  • the means 14 comprise a first conduit 16 intended to allow the evacuation of air from the container 6 during filling, that is to say when the powder material enters the cavity.
  • the device also advantageously includes a second exhaust duct 18 for allowing the air to exit the container 6 before the start of filling ( Figure 2). But it is understood that an evacuation of air only before filling or only during filling is not outside the scope of the present invention.
  • the first duct 16 is arranged inside the filling channel in a substantially coaxial manner so as not to hinder a uniform flow of material in the channel 8.
  • the first duct 16 opens out via a first lower end 22 in the flow orifice 12 of the channel 8.
  • the second duct 18 is formed directly in the shoe and opens at a first end 20 in front of the end 22 in the direction of the arrow F, in the sole 10 of the shoe and by a second end 23 in the first duct 16.
  • the position of the first duct inside the filling duct in a substantially coaxial manner with the latter makes it very advantageous to obtain an extraction of the pneumatic fluid having a symmetry of revolution.
  • the first suction duct 16 opens into a substantially central portion of the container, which allows air to be sucked into the entire container all around the duct, without favoring a particular area of the container. This avoids the appearance of disturbance in the flow of the powder and therefore in the filling the mold. An even more homogeneous filling of the mold is then obtained.
  • this embodiment allows a simple adaptation of the filling device to different types of powder. Indeed, it may be desirable to modify the suction according to the particle size of the powder, by modifying the suction flow rate. Thus, it suffices to replace the first duct 16 with a first duct of larger section or smaller section, respectively to increase or reduce the suction flow. In the devices of the state of the art, in which the suction is effected by the outside of the filling duct, this modification is on the contrary heavy and restrictive.
  • the air is discharged through a second upper end of the first duct 16 out of the filling channel.
  • the duct 16 passes through the periphery of the channel or tube 8.
  • the duct 16 is connected to the outside environment by at least two secondary tubes arranged symmetrically with respect to the duct. the axis of the duct 16, so as to disturb as little as possible the symmetry of flow of the powder downstream of the bifurcation of the duct 16.
  • it is three secondary tubes distributed angularly regularly at 120 ° or six 60 ° secondary tubes around the canal axis.
  • a pneumatic pump 24 connected to the upper end of the first conduit 16 and able to extract the air contained in the container. It is understood that one can envisage a pump extracting air from the container only before filling, either by providing first 16 and second 18 completely separate ducts or by actuating the pump only prior to filling. The use of this pump has the advantage of accelerating the filling speed due to the suction generated by the pump inside the container.
  • the pump is advantageously connected to the first conduit 16 by means of a flexible hose, adapting to the movements of the shoe.
  • the pneumatic pump 24 generates, for example a depression of 10 5 Pa, which is sufficient to obtain good flow performance without causing powder in the air extraction ducts.
  • filters arranged at the lower ends 22 and 20 respectively of the first 16 and second 18 ducts, forming barriers for the powder material in order to avoid its suction through the ducts 16 and 18. It is understood that a device comprising several ducts 16 and / or 18 for extracting air from the cavity to be filled is not outside the scope of the present invention. We will now describe the process of filling a container 6.
  • the shoe continues to move in the direction of the arrow F ( Figure 3), the flow port 12 is opposite the container 6, filling begins, the powder flows into the container.
  • the first conduit 16 communicates with the interior of the container 6, the air is evacuated either naturally (the air is expelled due to the arrival of the powder) or by suction.
  • FIG. 5 shows a second embodiment, in which the shoe 2 comprises a separate filling channel 8 and a separate air outlet duct 18, the duct 18 making it possible to evacuate the air before filling, when its lower end 20 is facing the cavity of filling.
  • the exhaust duct 18 is connected to a pneumatic pump 24.
  • the exhaust duct 18 forms the second duct as described previously.
  • FIGS. 6 and 7 show a first example of a second embodiment of a device according to the present invention in which the powder material is homogeneously distributed by rotation of a portion of the device of FIG. filling.
  • the filling device comprises a cylindrical casing 101 intended to be disposed above a container to be filled (not shown) and forming a filling channel between a powder reservoir and the container.
  • the device also comprises distribution means 100, arranged in the filling channel and formed by a plate 103 of X axis, intended to be rotated about this axis X.
  • the disk is provided on an upper face 102 with at least one dispensing element 104 extending substantially radially on the plate, in the form of a rod.
  • the rod 104 is intended to homogeneously distribute the powder provided by a hopper disposed above the filling device (not shown). It is understood that the element 104 may have any form suitable for dispensing the powder.
  • the device also comprises on a lower face 106 of the disk 103 at least one air suction blade 107 (in broken lines) intended to cause a vortex to evacuate the air contained in the container to be filled.
  • the plate 103 is rotated by means of a shaft 108 having an axis coaxial with the axis X in which a first extraction duct 116 of the air sucked by the scoop 107 is made.
  • An orifice 113 is practiced in the central part of the disc on the side of the lower face 106 to put in communication the space below the disc and the first conduit 116.
  • the suction blade has substantially the shape of a turbine blade adapted to generate a depression But it is understood that it can have different shapes.
  • the device according to the present invention also comprises a central core 109 having the shape of a regular cylinder arranged axially below the plate and also provided with a third suction duct 110 arranged in line with the first extraction duct 116, in order to suck up the air contained in the bottom of the container.
  • the suction duct 110 in its lower part advantageously separates into several secondary ducts 112 angularly distributed regularly around the axis of the suction duct 110 so as to have a uniform air suction in the mold.
  • the disc 103 is rotated, in particular the blade 106, the air contained in the container is then sucked by the conduits 112, 110 and 109 in the direction of the arrow
  • the hopper is opened so as to allow the flow of the powder charge that it contains, in the filling duct and in particular on the tray. Due to the rotation of the tray and the dispensing rod, the powder is ejected uniformly against the walls of the filling channel and falls into the container. Simultaneously with the filling, the air continues to be evacuated.
  • FIG. 8 a second example of the second embodiment of a filling device according to the present invention can be seen.
  • Said device comprises a separate distribution plate 120 and a suction plate 103, the suction plate 103 being intended to be placed close to the filling orifice of the container 6 and the dispensing plate 120 above the plate of the container.
  • the two trays are rotatably connected to a shaft 122 adapted to be rotated about the X axis, and pierced with a first longitudinal discharge duct 116, opening at one end into a lower face of the suction disc 103 and at another end in the external environment.
  • the shaft is rotated, causing suction of the air contained in the container.
  • the suction disc continues to suck the air into the container.
  • the first air evacuation duct during filling and the second duct for evacuating air before filling are combined.
  • the present invention then has the advantages of leading to a better homogeneity of the filling of the mold.
  • it makes it possible to ensure a better circumferential density distribution of the powder.
  • the device according to the present invention makes it possible to lead to reduced filling times compared to systems of known type. In mass production, the gain in time obtained during filling leads to significant productivity gains.
  • the present invention is also very advantageous in the case of filling with ultrafine powders.
  • fine powders such as micrometric powders of the Sm-Co type
  • the present invention leads to performances close to those obtained with a vacuum filling system.
  • the implementation of the vacuum filling is not feasible in an industrial environment.
  • the present invention is particularly applicable to the filling of mold with a powder or a mixture of powders for the production of parts by sintering, compression, compression-sintering or hot isostatic pressing.
  • the filling device according to the present invention allows to uniformly fill any type of container with a material in powder form.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Powder Metallurgy (AREA)

Abstract

The device has an evacuation unit (14) comprising an air evacuation duct (16) permitting the evacuation of the air in a container or mold (6) when a powder material penetrates in the container or mold. An air evacuation duct (18) permits the air to exit the container or mold before starting a filling phase. A pneumatic pump (24) extracts the air contained in the container or mold during the filling phase. An independent claim is also included for a method for filling a container or mold with a powder material.

Description

DISPOSITIF DE REMPLISSAGE D' UN RECIPIENT PAR AU MOINS UN MATERIAU EN POUDREDEVICE FOR FILLING A CONTAINER WITH AT LEAST ONE POWDERED MATERIAL
5 DESCRIPTION5 DESCRIPTION
DOMAINE TECHNIQtJE ET ART ANTERIEtJRTECHNICAL FIELD AND PRIOR ART
La présente invention se rapporte principalement à un procédé de remplissage d' un récipient par au moins un matériau en poudre, et à unThe present invention relates primarily to a method of filling a container with at least one powdered material, and at least one
10 dispositif pour la mise en œuvre dudit procédé .Device for carrying out said method.
Les matériaux sous forme de poudre sont très nombreux, par exemple les lessives , le lait en poudre ou le ciment . Dans l' industrie, il s ' agit des matériaux sous forme de poudre destinés à être mises enThe materials in the form of powder are very numerous, for example the detergents, milk powder or cement. In the industry, these are powder materials intended to be
15 forme par exemple par frittage, par compression, par compression-frittage ou par compression isostatique à chaud . Ce sont par exemple des poudres métalliques , céramiques ou leur mélange . Il est possible d' obtenir des pièces de géométrie très complexe .For example, by sintering, compression, compression-sintering or hot isostatic pressing. These are for example metal powders, ceramics or their mixture. It is possible to obtain pieces of very complex geometry.
20 Cependant , il est apparu que de l' air présent dans le moule avant remplissage est susceptible de rendre le remplissage non homogène, à l' origine de porosités dans la pièce moulée, de conduire à des densités apparentes faibles et dispersées , etHowever, it has been found that air present in the mold prior to filling is likely to render the non-homogeneous filling, causing porosities in the molded part, to lead to low and scattered apparent densities, and
25 d' allonger les temps de remplissage . De plus , la présence d' air est susceptible de perturber l' écoulement du matériau pulvérulent dans le moule .25 to lengthen the filling times. In addition, the presence of air is likely to disturb the flow of the powder material into the mold.
Le document US 2003/0113222 propose un dispositif permettant d' injecter de l' air dans leUS 2003/0113222 proposes a device for injecting air into the air.
30 matériau pulvérulent au moment du remplissage du moule afin de répartir de manière homogène les différentes tailles des particules de matériau . Cependant rien n' est prévu pour palier au problème de l' air contenu dans le moule .Powder material at the time of filling the mold in order to homogeneously distribute the different particle size of material. However nothing is planned to overcome the problem of the air contained in the mold.
C' est par conséquent un but de la présente invention d' offrir un dispositif de remplissage de récipient assurant une répartition homogène du matériau pulvérulent dans le récipient .It is therefore an object of the present invention to provide a container filling device ensuring a homogeneous distribution of the powder material in the container.
C' est également un but de la présente invention d' offrir un remplissage accéléré du récipient .It is also an object of the present invention to provide accelerated filling of the container.
C' est également un but de la présente invention d' offrir un procédé de remplissage par des matériaux sous forme de poudre sûr et rapide .It is also an object of the present invention to provide a method of filling with safe and fast powdered materials.
EXPOSÉ DE I/ INVENTIONSTATEMENT OF I / INVENTION
Ces buts sont atteints par un dispositif de remplissage muni d' au moins un conduit d' aération d' un moule destiné à être rempli au moyen dudit dispositif .These objects are achieved by a filling device provided with at least one ventilation duct of a mold intended to be filled by means of said device.
En d' autres termes , avant le remplissage et/ou pendant le remplissage, des conduits sont prévus pour permettre à l' air de s ' échapper du moule et de laisser la place à la poudre, ou d' être aspiré hors du moule, une légère aspiration accélérant le remplissage est alors générée .In other words, before filling and / or during filling, ducts are provided to allow air to escape from the mold and to leave room for the powder, or to be sucked out of the mold, a slight suction speeding up the filling is then generated.
La présente invention a principalement pour objet un dispositif de remplissage d' un récipient par au moins une substance sous forme de poudre, ledit dispositif comportant un canal de remplissage destiné à amener le matériau d' une réserve de matériau à un orifice d' entrée du récipient caractérisé en ce qu' il comporte également des moyens pour évacuer un fluide pneumatique contenu dans ledit récipient .The main subject of the present invention is a device for filling a container with at least one substance in the form of a powder, said device comprising a filling channel intended to bring the material from a stock of material to an inlet of the container. container characterized in that also comprises means for discharging a pneumatic fluid contained in said container.
Notamment , les moyens d' évacuation comportent au moins un conduit destiné à raccorder l' intérieur du récipient à un environnement extérieur au récipient lors de la phase de remplissage, dit premier conduit et/ou un conduit destiné à évacuer l' air avant le remplissage, dit deuxième conduit . Avantageusement , le deuxième conduit d' évacuation se raccorde au premier conduit .In particular, the evacuation means comprise at least one duct intended to connect the inside of the container to an environment outside the container during the filling phase, called the first duct and / or a duct intended to evacuate the air before filling. , said second conduit. Advantageously, the second exhaust duct connects to the first duct.
Dans un mode de réalisation préféré, le premier conduit d' évacuation est interne au canal de remplissage .In a preferred embodiment, the first exhaust duct is internal to the filling channel.
De manière avantageuse, un moyen d' aspiration de l' air contenu dans le récipient est connecté au premier et/ou au deuxième conduit .Advantageously, a suction means of the air contained in the container is connected to the first and / or second conduit.
Dans un premier exemple de réalisation, le moyen d' aspiration est une pompe pneumatique .In a first exemplary embodiment, the suction means is a pneumatic pump.
Dans le cas où le premier conduit d' évacuation est interne au canal de remplissage, le premier conduit peut se raccorder à la pompe par au moins deux conduits secondaires , avantageusement trois , répartis angulairement de manière régulière autour du premier conduit . Dans un deuxième exemple de réalisation, ledit moyen d' aspiration est monté dans le canal de remplissage et est formé par au moins une pale montée sur une face inférieure d' un disque destiné à être entraîné en rotation autour de son axe, ledit disque comportant dans sa partie centrale un orifice raccordé au premier conduit d' évacuation . On peut également prévoir au moins un élément de distribution du matériau en poudre dans le récipient en saillie d' une face supérieure du disque .In the case where the first discharge duct is internal to the filling channel, the first duct may be connected to the pump by at least two secondary ducts, advantageously three, distributed angularly in a regular manner around the first duct. In a second exemplary embodiment, said suction means is mounted in the filling channel and is formed by at least one blade mounted on a lower face of a disk intended to be rotated about its axis, said disk comprising in its central part an orifice connected to the first discharge duct. At least one powder material distribution member may also be provided in the container projecting from an upper face of the disk.
Le dispositif de remplissage peut également comporter un noyau cylindrique disposé axialement en dessous du plateau et comportant un troisième conduit d' évacuation disposé au droit du premier conduit et débouchant dans la partie supérieure du récipient par au moins un conduit secondaire . De manière avantageuse, le dispositif comporte plusieurs conduits secondaires répartis angulairement de manière régulière autour du troisième conduit .The filling device may also comprise a cylindrical core disposed axially below the plate and having a third discharge conduit disposed in line with the first conduit and opening into the upper part of the container by at least one secondary conduit. Advantageously, the device comprises a plurality of secondary conduits distributed angularly in a regular manner around the third conduit.
Selon un autre exemple de réalisation du dispositif de remplissage selon la présente invention, le disque d' aspiration et un disque de distribution distinct du disque d' aspiration et placé avant le disque d' aspiration dans le sens de remplissage du matériau, sont solidaires en rotation d' un arbre apte à être entraîné en rotation et dans lequel est pratiqué le premier conduit d' évacuation .According to another exemplary embodiment of the filling device according to the present invention, the suction disk and a distribution disc distinct from the suction disk and placed before the suction disk in the direction of filling of the material, are integral in rotation of a shaft adapted to be rotated and in which the first discharge conduit is made.
Selon un mode de réalisation, le dispositif de remplissage est sous forme d' un sabot destiné à glisser sur une table comportant un orifice raccordé à l' entrée d' un récipient .According to one embodiment, the filling device is in the form of a shoe for sliding on a table having an orifice connected to the inlet of a container.
Le dispositif selon la présente invention est notamment destiné à remplir au moins un moule pour fabriquer des pièces par frittage, par compression, par compression-frittage ou par compression isostatique à chaud . La présente invention a également pour objet un procédé de remplissage d' un récipient par au moins un matériau en poudre comportant entre autres l' étape d' évacuer l' air contenu dans le récipient lors de la mise en place du matériau en poudre et/ou préalablement à la mise en place dudit matériau .The device according to the present invention is particularly intended to fill at least one mold for making parts by sintering, compression, compression-sintering or hot isostatic pressing. The present invention also relates to a method of filling a container with at least one powdered material including the step of evacuating the air contained in the container during the introduction of the powder material and / or prior to the placement of said material.
BRÈVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS
La présente invention sera mieux comprise à l' aide de la description qui suit et des dessins en annexes pour lesquels la partie supérieure et inférieure sont respectivement le haut et le bas des dessins .The present invention will be better understood with the aid of the description which follows and the appended drawings for which the upper and lower parts are respectively the top and the bottom of the drawings.
- La figure 1 est une représentation schématique d' un premier exemple d' un dispositif de remplissage selon la présente invention,- Figure 1 is a schematic representation of a first example of a filling device according to the present invention,
- la figure 2 est une représentation schématique du dispositif de la figure ldans une phase préalable au remplissage,FIG. 2 is a schematic representation of the device of FIG. 1 in a phase prior to filling,
- la figure 3 est une représentation schématique du dispositif de la figure 1 en début de remplissage,FIG. 3 is a schematic representation of the device of FIG. 1 at the beginning of filling,
- la figure 4 une représentation schématique du dispositif de la figure 1 en fin de remplissage, - la figure 5 est une représentation schématique d' un deuxième exemple d' un dispositif de remplissage selon la présente invention,FIG. 4 is a schematic representation of the device of FIG. 1 at the end of filling, FIG. 5 is a schematic representation of a second example of a filling device according to the present invention,
- la figure 6 est une vue en coupe d' un deuxième mode de réalisation d' un dispositif selon la présente invention, - la figure 7 est une vue en perspective isométrique d' un détail de la figure 6 ,FIG. 6 is a sectional view of a second embodiment of a device according to the present invention, FIG. 7 is an isometric perspective view of a detail of FIG. 6,
- la figure 7a est une vue de détail de la figure 7 , - la figure 8 est une vue en coupe longitudinale d' un autre exemple du deuxième mode réalisation .Figure 7a is a detail view of Figure 7; Figure 8 is a longitudinal sectional view of another example of the second embodiment.
EXPOSÉ DÉTAILLÉ DE MODES DE RÉALISATION PARTICULIERSDETAILED PRESENTATION OF PARTICULAR EMBODIMENTS
Sur la figure 1 , on peut voir un premier exemple du premier mode de réalisation d' un dispositif de remplissage selon la présente invention comportant un sabot 2 dit de remplissage destiné à glisser selon la flèche F sur une table 4 dans laquelle sont pratiquées des cavités 6 à remplir, par exemple des moules . Le sabot comporte un canal de remplissage 8 raccordé à une réserve de matériau pulvérulent (non représenté) par une extrémité supérieure 7 , le canal 8 débouche dans une partie inférieure 10 ou semelle destinée à être en contact de la table 4 , par un orifice d' écoulement 12 par lequel le matériau pulvérulent vient s ' écouler dans le récipient 6.In Figure 1, we can see a first example of the first embodiment of a filling device according to the present invention comprising a shoe 2 said filling intended to slide along the arrow F on a table 4 in which cavities are made 6 to fill, for example molds. The shoe comprises a filling channel 8 connected to a reserve of powdery material (not shown) by an upper end 7, the channel 8 opens into a lower portion 10 or soleplate intended to be in contact with the table 4, through a hole flow 12 through which the powder material has flowed into the container 6.
Selon la présente invention, le sabot comporte également des moyens 14 permettant à un fluide pneumatique contenu dans le récipient 6 , par exemple à l' air d' être évacué du récipient . Dans l' exemple représenté, les moyens 14 comportent un premier conduit 16 destiné à permettre l' évacuation de l' air du récipient 6 pendant le remplissage, c' est-à-dire lorsque le matériau en poudre pénètre dans la cavité . Le dispositif comporte également de manière avantageuse un deuxième conduit 18 d' évacuation destiné à permettre à l' air de sortir du récipient 6 avant le début du remplissage ( figure 2 ) . Mais il est bien entendu, qu' une évacuation de l' air uniquement avant le remplissage ou uniquement pendant le remplissage ne sort pas du cadre de la présente invention .According to the present invention, the shoe also comprises means 14 allowing a pneumatic fluid contained in the container 6, for example to air to be evacuated from the container. In the example shown, the means 14 comprise a first conduit 16 intended to allow the evacuation of air from the container 6 during filling, that is to say when the powder material enters the cavity. The device also advantageously includes a second exhaust duct 18 for allowing the air to exit the container 6 before the start of filling (Figure 2). But it is understood that an evacuation of air only before filling or only during filling is not outside the scope of the present invention.
Dans l' exemple représenté, le premier conduit 16 est disposé à l' intérieur du canal de remplissage de manière sensiblement coaxiale pour ne pas gêner un écoulement uniforme du matériau dans le canal 8. Le premier conduit 16 débouche par une première extrémité inférieure 22 dans l' orifice d' écoulement 12 du canal 8. Le deuxième conduit 18 est pratiqué directement dans le sabot et débouche par une première extrémité 20 en avant de l' extrémité 22 dans le sens de la flèche F, dans la semelle 10 du sabot et par une deuxième extrémité 23 dans le premier conduit 16. La position du premier conduit à l' intérieur du conduit de remplissage de manière sensiblement coaxiale à celui-ci, permet de manière très avantageuse d' obtenir une extraction du fluide pneumatique présentant une symétrie de révolution . En effet , le premier conduit 16 d' aspiration débouche dans une partie sensiblement centrale du récipient , ce qui permet d' aspirer l' air dans tout le récipient tout autour du conduit , sans privilégier une zone particulière du récipient . Ainsi on évite l' apparition de perturbation dans l' écoulement de la poudre et donc dans le remplissage du moule . On obtient alors un remplissage du moule encore plus homogène .In the example shown, the first duct 16 is arranged inside the filling channel in a substantially coaxial manner so as not to hinder a uniform flow of material in the channel 8. The first duct 16 opens out via a first lower end 22 in the flow orifice 12 of the channel 8. The second duct 18 is formed directly in the shoe and opens at a first end 20 in front of the end 22 in the direction of the arrow F, in the sole 10 of the shoe and by a second end 23 in the first duct 16. The position of the first duct inside the filling duct in a substantially coaxial manner with the latter makes it very advantageous to obtain an extraction of the pneumatic fluid having a symmetry of revolution. Indeed, the first suction duct 16 opens into a substantially central portion of the container, which allows air to be sucked into the entire container all around the duct, without favoring a particular area of the container. This avoids the appearance of disturbance in the flow of the powder and therefore in the filling the mold. An even more homogeneous filling of the mold is then obtained.
En outre, ce mode de réalisation permet une adaptation simple du dispositif du remplissage aux différents types de poudre . En effet , il peut être souhaitable de modifier l' aspiration en fonction de la granulométrie de la poudre, en modifiant le débit d' aspiration . Ainsi, il suffit de remplacer le premier conduit 16 , par un premier conduit de section plus grande ou de section plus petite, pour respectivement augmenter ou réduire le débit d' aspiration . Dans les dispositifs de l' état de la technique, dans lesquels l' aspiration s ' effectue par l' extérieur du conduit de remplissage, cette modification est au contraire lourde et contraignante .In addition, this embodiment allows a simple adaptation of the filling device to different types of powder. Indeed, it may be desirable to modify the suction according to the particle size of the powder, by modifying the suction flow rate. Thus, it suffices to replace the first duct 16 with a first duct of larger section or smaller section, respectively to increase or reduce the suction flow. In the devices of the state of the art, in which the suction is effected by the outside of the filling duct, this modification is on the contrary heavy and restrictive.
L' air est évacué par une deuxième extrémité 25 supérieure du premier conduit 16 hors du canal de remplissage . Le conduit 16 traverse, dans le mode de réalisation représenté, la périphérie du canal ou tube 8. De manière avantageuse, le raccordement du conduit 16 à l' environnement extérieur est réalisé par au moins deux tubes secondaires disposées de manière symétrique par rapport à l' axe du conduit 16 , de façon à perturber le moins possible la symétrie d' écoulement de la poudre en aval de la bifurcation du conduit 16. De manière préférentielle, il s ' agit de trois tubes secondaires réparties angulairement de manière régulière à 120 ° ou six tubes secondaires à 60 ° autour de l' axe du canal .The air is discharged through a second upper end of the first duct 16 out of the filling channel. In the embodiment shown, the duct 16 passes through the periphery of the channel or tube 8. Advantageously, the duct 16 is connected to the outside environment by at least two secondary tubes arranged symmetrically with respect to the duct. the axis of the duct 16, so as to disturb as little as possible the symmetry of flow of the powder downstream of the bifurcation of the duct 16. Preferably, it is three secondary tubes distributed angularly regularly at 120 ° or six 60 ° secondary tubes around the canal axis.
Il est bien entendu que l' on pourrait prévoir un premier et un deuxième conduits complètement indépendants et reliés à l' environnement extérieur de manière indépendante .It is understood that one could provide a first and a second duct completely independent and related to the external environment independently.
De manière avantageuse, afin d' extraire l' air contenu dans le récipient avant et pendant le remplissage, il est prévu une pompe pneumatique 24 raccordée à l' extrémité supérieure du premier conduit 16 et apte à extraire l' air contenu dans le récipient . Il est bien entendu que l' on peut envisager une pompe extrayant l' air du récipient uniquement avant le remplissage, soit en prévoyant des premier 16 et deuxième 18 conduits complètement séparés ou en n' actionnant la pompe que préalablement au remplissage . L' utilisation de cette pompe a pour avantage d' accélérer la vitesse de remplissage du fait de l' aspiration générée par la pompe à l' intérieur du récipient .Advantageously, in order to extract the air contained in the container before and during filling, there is provided a pneumatic pump 24 connected to the upper end of the first conduit 16 and able to extract the air contained in the container. It is understood that one can envisage a pump extracting air from the container only before filling, either by providing first 16 and second 18 completely separate ducts or by actuating the pump only prior to filling. The use of this pump has the advantage of accelerating the filling speed due to the suction generated by the pump inside the container.
La pompe est avantageusement raccordée au premier conduit 16 au moyen d' un tuyau souple, s ' adaptant aux déplacements du sabot . La pompe pneumatique 24 génère, par exemple une dépression de 105Pa, ce qui est suffisant pour obtenir de bonnes performances d' écoulement sans entraîner de poudre dans les conduits d' extraction d' air . De façon avantageuse, dans le mode de réalisation comportant une pompe pneumatique, on peut prévoir des filtres disposés au niveau des extrémités inférieures 22 et 20 respectivement des premier 16 et deuxième 18 conduits , formant des barrières pour le matériau en poudre afin d' éviter son aspiration par les conduits 16 et 18. II est bien entendu qu' un dispositif comportant plusieurs conduits 16 et/ou 18 pour extraire l' air de la cavité à remplir ne sort pas du cadre de la présente invention . Nous allons maintenant décrire le processus de remplissage d' un récipient 6.The pump is advantageously connected to the first conduit 16 by means of a flexible hose, adapting to the movements of the shoe. The pneumatic pump 24 generates, for example a depression of 10 5 Pa, which is sufficient to obtain good flow performance without causing powder in the air extraction ducts. Advantageously, in the embodiment comprising a pneumatic pump, it is possible to provide filters arranged at the lower ends 22 and 20 respectively of the first 16 and second 18 ducts, forming barriers for the powder material in order to avoid its suction through the ducts 16 and 18. It is understood that a device comprising several ducts 16 and / or 18 for extracting air from the cavity to be filled is not outside the scope of the present invention. We will now describe the process of filling a container 6.
Sur la figure 2 , la première extrémité 20 du deuxième conduit 18 est en regard du récipient 6 , l' air contenu dans le récipient 6 est aspiré et évacué vers l' extérieur .In Figure 2, the first end 20 of the second conduit 18 is facing the container 6, the air contained in the container 6 is sucked and discharged to the outside.
Le sabot continue à se déplacer dans le sens de la flèche F ( figure 3 ) , l' orifice d' écoulement 12 vient en regard du récipient 6 , le remplissage commence, la poudre s ' écoule dans le récipient . Le premier conduit 16 entre en communication avec l' intérieur du récipient 6 , l' air est évacué soit naturellement (l' air est chassé du fait de l' arrivée du la poudre) , soit par aspiration .The shoe continues to move in the direction of the arrow F (Figure 3), the flow port 12 is opposite the container 6, filling begins, the powder flows into the container. The first conduit 16 communicates with the interior of the container 6, the air is evacuated either naturally (the air is expelled due to the arrival of the powder) or by suction.
Sur la figure 4 , le sabot s ' est encore déplacé dans le sens de la flèche F, l' orifice d' écoulement va bientôt dépasser l' entrée du récipient 6. Le remplissage est bientôt terminé .In Figure 4, the shoe has moved further in the direction of the arrow F, the flow opening will soon exceed the inlet of the container 6. The filling is soon completed.
Lorsque l' orifice d' écoulement 12 a complètement dépassé l' entrée du récipient , le remplissage est interrompu .When the outlet 12 has completely passed the inlet of the vessel, the filling is interrupted.
Sur la figure 5 , on peut voir un deuxième exemple réalisation, dans lequel le sabot 2 comporte un canal de remplissage 8 et un conduit d' évacuation 18 d' air distincts , le conduit 18 permettant d' évacuer l' air avant le remplissage, lorsque son extrémité inférieure 20 est en regard de la cavité de remplissage . De manière avantageuse, le conduit d' évacuation 18 est raccordé à une pompe pneumatique 24. Le conduit d' évacuation 18 forme le deuxième conduit tel que décrit précédemment . Sur les figures 6 et 7 , on peut voir un premier exemple d' un deuxième mode de réalisation d' un dispositif selon la présente invention dans lequel le matériau en poudre est distribué de manière homogène par mise en rotation d' une partie du dispositif de remplissage .FIG. 5 shows a second embodiment, in which the shoe 2 comprises a separate filling channel 8 and a separate air outlet duct 18, the duct 18 making it possible to evacuate the air before filling, when its lower end 20 is facing the cavity of filling. Advantageously, the exhaust duct 18 is connected to a pneumatic pump 24. The exhaust duct 18 forms the second duct as described previously. FIGS. 6 and 7 show a first example of a second embodiment of a device according to the present invention in which the powder material is homogeneously distributed by rotation of a portion of the device of FIG. filling.
Le dispositif de remplissage selon le deuxième mode de réalisation comporte une enveloppe 101 cylindrique destinée à être disposée au dessus d' un récipient à remplir (non représenté) et formant un canal de remplissage entre un réservoir de poudre et le récipient . Le dispositif comporte également des moyens de distribution 100 , disposés dans le canal de remplissage et formés par un plateau 103 d' axe X, destiné à être mis en rotation autour de cet axe X . Dans l' exemple représenté, le disque est muni sur une face supérieure 102 d' au moins un élément de distribution 104 s ' étendant sensiblement radialement sur la plateau, en forme de baguette . La baguette 104 est destinée à distribuer de manière homogène la poudre apportée par une trémie disposée au dessus du dispositif de remplissage (non représentée) . Il est bien entendu que l' élément 104 peut avoir toute forme adaptée à distribuer la poudre .The filling device according to the second embodiment comprises a cylindrical casing 101 intended to be disposed above a container to be filled (not shown) and forming a filling channel between a powder reservoir and the container. The device also comprises distribution means 100, arranged in the filling channel and formed by a plate 103 of X axis, intended to be rotated about this axis X. In the example shown, the disk is provided on an upper face 102 with at least one dispensing element 104 extending substantially radially on the plate, in the form of a rod. The rod 104 is intended to homogeneously distribute the powder provided by a hopper disposed above the filling device (not shown). It is understood that the element 104 may have any form suitable for dispensing the powder.
Le dispositif comporte également sur une face inférieure 106 du disque 103 au moins une pale d' aspiration d' air 107 (en traits interrompus ) destinée à provoquer un tourbillon afin d' évacuer l' air contenu dans le récipient à remplir . Le plateau 103 est entraîné en rotation par l' intermédiaire d' un arbre 108 d' axe coaxial à l' axe X dans lequel est pratiqué un premier conduit d' extraction 116 de l' air aspiré par l' écope 107. Un orifice 113 est pratiqué dans la partie centrale du disque du côté de la face inférieure 106 pour mettre en communication l' espace situé en dessous du disque et le premier conduit 116. Ainsi lors du remplissage, simultanément à la distribution uniforme de la poudre autour de l' axe X dans le moule, l' air est aspiré selon le chemin indiqué par les flèches A.The device also comprises on a lower face 106 of the disk 103 at least one air suction blade 107 (in broken lines) intended to cause a vortex to evacuate the air contained in the container to be filled. The plate 103 is rotated by means of a shaft 108 having an axis coaxial with the axis X in which a first extraction duct 116 of the air sucked by the scoop 107 is made. An orifice 113 is practiced in the central part of the disc on the side of the lower face 106 to put in communication the space below the disc and the first conduit 116. Thus during the filling, simultaneously with the uniform distribution of the powder around the X axis in the mold, the air is sucked along the path indicated by the arrows A.
Dans l' exemple représenté, la pale d' aspiration, a sensiblement la forme d' une pale de turbine adaptée à générer une dépression Mais il est bien entendu, qu' elle peut avoir des formes différentes .In the example shown, the suction blade, has substantially the shape of a turbine blade adapted to generate a depression But it is understood that it can have different shapes.
Le dispositif selon la présente invention comporte également un noyau central 109 ayant la forme d' un cylindre régulier disposé axialement en dessous du plateau et muni également d' un troisième conduit d' aspiration 110 disposé au droit du premier conduit d' extraction 116 , de manière à aspirer l' air contenu dans la fond du récipient . Le conduit d' aspiration 110 dans sa partie inférieure se sépare avantageusement en plusieurs conduits secondaires 112 distribuées angulairement de manière régulière autour de l' axe du conduit d' aspiration 110 de façon à avoir une aspiration de l' air uniforme dans le moule . Nous allons maintenant expliquer le fonctionnement d' un tel dispositif . Dans une première étape, le dispositif est placé au dessus du récipient .The device according to the present invention also comprises a central core 109 having the shape of a regular cylinder arranged axially below the plate and also provided with a third suction duct 110 arranged in line with the first extraction duct 116, in order to suck up the air contained in the bottom of the container. The suction duct 110 in its lower part advantageously separates into several secondary ducts 112 angularly distributed regularly around the axis of the suction duct 110 so as to have a uniform air suction in the mold. We will now explain the operation of such a device. In a first step, the device is placed above the container.
Dans une deuxième étape, le disque 103 est mis en rotation, en particulier la pale 106 , l' air contenu dans le récipient est alors aspiré par les conduits 112 , 110 et 109 dans le sens de la flècheIn a second step, the disc 103 is rotated, in particular the blade 106, the air contained in the container is then sucked by the conduits 112, 110 and 109 in the direction of the arrow
Dans une troisième étape, la trémie est ouverte de manière à permettre l' écoulement de la charge de poudre qu' elle contient , dans le conduit de remplissage et en particulier sur le plateau . Du fait de la rotation du plateau et de la baguette de distribution, la poudre est éjectée de manière uniforme contre les parois du canal de remplissage et tombe dans le récipient . Simultanément au remplissage, l' air continue d' être évacué .In a third step, the hopper is opened so as to allow the flow of the powder charge that it contains, in the filling duct and in particular on the tray. Due to the rotation of the tray and the dispensing rod, the powder is ejected uniformly against the walls of the filling channel and falls into the container. Simultaneously with the filling, the air continues to be evacuated.
Sur la figure 8 , on peut voir un deuxième exemple du deuxième mode de réalisation d' un dispositif de remplissage selon la présente invention . Ledit dispositif comporte un plateau de distribution 120 et un plateau d' aspiration 103 distincts , le plateau d' aspiration 103 étant destiné à être placé à proximité de l' orifice de remplissage du récipient 6 et le plateau de distribution 120 au dessus du plateau d' aspiration 103. Les deux plateaux sont liés en rotation à un arbre 122 apte à être entraîné en rotation autour de l' axe X, et percé d' un premier conduit d' évacuation longitudinal 116 , débouchant par une extrémité dans une face inférieure du disque d' aspiration 103 et par une autre extrémité dans l' environnement extérieur . Lors d' une phase de remplissage, l' arbre est mis en rotation, provoquant une aspiration de l' air contenu dans le récipient .In FIG. 8, a second example of the second embodiment of a filling device according to the present invention can be seen. Said device comprises a separate distribution plate 120 and a suction plate 103, the suction plate 103 being intended to be placed close to the filling orifice of the container 6 and the dispensing plate 120 above the plate of the container. The two trays are rotatably connected to a shaft 122 adapted to be rotated about the X axis, and pierced with a first longitudinal discharge duct 116, opening at one end into a lower face of the suction disc 103 and at another end in the external environment. During a filling phase, the shaft is rotated, causing suction of the air contained in the container.
Puis le matériau est déversé sur le disque de distribution qui répartit le matériau dans le récipient , le disque d' aspiration continue à aspirer l' air dans le récipient .Then the material is poured onto the dispensing disc which distributes the material in the container, the suction disc continues to suck the air into the container.
Dans ce mode de réalisation, le premier conduit d' évacuation d' air lors du remplissage et le deuxième conduit d' évacuation d' air avant le remplissage sont confondus .In this embodiment, the first air evacuation duct during filling and the second duct for evacuating air before filling are combined.
La présente invention a alors pour avantages de conduire à une meilleure homogénéité du remplissage du moule . Ainsi, pour une pièce axisymétrique, elle permet d' assurer une meilleure répartition circonférentielle de densité de la poudre .The present invention then has the advantages of leading to a better homogeneity of the filling of the mold. Thus, for an axisymmetrical part, it makes it possible to ensure a better circumferential density distribution of the powder.
De plus , le dispositif selon la présente invention permet de conduire à des temps de remplissage diminués par rapport à des systèmes de type connu . Dans la production de grande série, le gain en temps obtenu lors du remplissage conduit à des gains de productivité importants .In addition, the device according to the present invention makes it possible to lead to reduced filling times compared to systems of known type. In mass production, the gain in time obtained during filling leads to significant productivity gains.
La présente invention est également très avantageuse dans le cas de remplissage par des poudres ultrafines . En effet , les poudres fines , telles que des poudres micrométriques de type Sm-Co sont difficilement manipulables à l' aide des systèmes de remplissage de type classique, puisque la présence d' air dans la matrice perturbe l' écoulement de la poudre lors de sa chute dans la cavité à remplir . La présence invention conduit à des performances proches de celles obtenues avec un système de remplissage sous vide . Or la mise en oeuvre du remplissage sous vide n' est pas réalisable en environnement industriel .The present invention is also very advantageous in the case of filling with ultrafine powders. In fact, fine powders, such as micrometric powders of the Sm-Co type, are difficult to manipulate using conventional filling systems, since the presence of air in the matrix disturbs the flow of the powder during its fall into the cavity to be filled. The present invention leads to performances close to those obtained with a vacuum filling system. However, the implementation of the vacuum filling is not feasible in an industrial environment.
La présente invention s ' applique en particulier au remplissage de moule par une poudre ou un mélange de poudres pour la réalisation des pièces par frittage, par compression, par compression-frittage ou par compression isostatique à chaud .The present invention is particularly applicable to the filling of mold with a powder or a mixture of powders for the production of parts by sintering, compression, compression-sintering or hot isostatic pressing.
Mais il est bien entendu, que le dispositif de remplissage selon la présente invention permet de remplir de manière uniforme tout type de récipient avec un matériau sous forme de poudre . But it is understood that the filling device according to the present invention allows to uniformly fill any type of container with a material in powder form.

Claims

REVENDICATIONS
1. Dispositif de remplissage d' un récipient par au moins une substance sous forme de poudre, ledit dispositif comportant un canal de remplissage ( 8 , 100 ) destiné à amener le matériau d' une réserve de matériau à un orifice d' entrée du récipient et des moyens ( 14 , 110 ) pour évacuer un fluide pneumatique contenu dans ledit récipient , lesdits moyens d' évacuation ( 14 , 110 ) comportant au moins un conduit ( 16 , 116 ) destiné à raccorder l' intérieur du récipient à un environnement extérieur au récipient lors de la phase de remplissage, dit premier conduit , caractérisé en ce que le premier conduit d' évacuation ( 16 , 116 ) est interne au canal de remplissage ( 8 ) .A device for filling a container with at least one substance in the form of powder, said device comprising a filling channel (8, 100) for bringing the material from a supply of material to an inlet of the container and means (14, 110) for discharging a pneumatic fluid contained in said container, said exhaust means (14, 110) having at least one conduit (16, 116) for connecting the interior of the container to an external environment to the container during the filling phase, said first conduit, characterized in that the first discharge conduit (16, 116) is internal to the filling channel (8).
2. Dispositif de remplissage selon la revendication 1 , dans lequel les moyens d' évacuation (22 ) comportent un conduit ( 18 ) destiné à évacuer le fluide pneumatique avant le remplissage, dit deuxième conduit .2. Filling device according to claim 1, wherein the evacuation means (22) comprise a conduit (18) for discharging the pneumatic fluid before filling, said second conduit.
3. Dispositif de remplissage selon la revendication 2 , dans lequel le deuxième conduit d' évacuation ( 18 ) se raccorde au premier conduit ( 16 ) .3. Filling device according to claim 2, wherein the second discharge duct (18) is connected to the first duct (16).
4. Dispositif de remplissage selon la revendication 2 ou 3 , comportant un moyen d' aspiration (24 ) de l' air contenu dans le récipient et connecté au premier ( 16 ) et/ou au deuxième ( 18 ) conduits . 4. Filling device according to claim 2 or 3, comprising means for sucking (24) the air contained in the container and connected to the first (16) and / or second (18) ducts.
5. Dispositif selon la revendication précédente, dans lequel le moyen d' aspiration est une pompe pneumatique (24 ) .5. Device according to the preceding claim, wherein the suction means is a pneumatic pump (24).
6. Dispositif selon la revendication 5 , dans lequel le premier conduit ( 16 ) se raccorde à la pompe par au moins deux conduits secondaires , avantageusement trois , répartis angulairement de manière régulière autour du premier conduit .6. Device according to claim 5, wherein the first conduit (16) is connected to the pump by at least two secondary ducts, preferably three, angularly distributed uniformly around the first duct.
7. Dispositif de remplissage selon l' une quelconque des revendications 1 à 6 , le dispositif ayant la forme d' un sabot (2 ) destiné à glisser sur une table ( 4 ) comportant un orifice raccordé à l' entrée d' un récipient .7. Filling device according to any one of claims 1 to 6, the device having the shape of a shoe (2) for sliding on a table (4) having an orifice connected to the inlet of a container.
8. Dispositif selon la revendication 4 , dans lequel ledit moyen d' aspiration est monté dans le canal de remplissage et est formé par au moins une pale ( 107 ) montée sur une face inférieure ( 106 ) d' un disque ( 103 ) destiné à être entraîné en rotation autour de son axe (X) , ledit disque ( 103 ) comportant dans sa partie centrale un orifice ( 113 ) raccordé au premier conduit ( 116 ) d' évacuation .8. Device according to claim 4, wherein said suction means is mounted in the filling channel and is formed by at least one blade (107) mounted on a lower face (106) of a disk (103) for being rotated about its axis (X), said disk (103) having in its central part an orifice (113) connected to the first conduit (116) for evacuation.
9. Dispositif selon la revendication 8 , comportant également au moins un élément ( 104 ) de distribution du matériau en poudre dans le récipient en saillie de la face supérieure du disque ( 102 ) . 9. Device according to claim 8, also comprising at least one element (104) for dispensing the powder material in the container projecting from the upper face of the disc (102).
10. Dispositif de remplissage selon l' une des revendications 8 ou 9, comportant également un noyau cylindrique ( 108 ) disposé axialement en dessous du plateau ( 103 ) et comportant un troisième conduit d' évacuation ( 110 ) disposé au droit du premier conduit ( 116 ) et débouchant dans la partie inférieure du récipient par au moins un conduit secondaire ( 112 ) .10. Filling device according to one of claims 8 or 9, also comprising a cylindrical core (108) axially disposed below the plate (103) and comprising a third discharge duct (110) arranged in line with the first duct ( 116) and opening into the lower part of the container by at least one secondary conduit (112).
11. Dispositif selon la revendication précédente comportant plusieurs conduits secondaires11. Device according to the preceding claim comprising several secondary conduits
( 112 ) répartis angulairement de manière régulière autour du troisième conduit ( 110 ) .(112) angularly distributed regularly around the third conduit (110).
12. Dispositif selon la revendication 8 , dans lequel le disque d' aspiration ( 103 ) et un disque de distribution ( 120 ) distinct du disque d' aspiration12. Device according to claim 8, wherein the suction disc (103) and a distribution disc (120) separate from the suction disc.
( 103 ) et placé avant le disque d' aspiration ( 103 ) dans le sens de remplissage du matériau, sont solidaires en rotation d' un arbre ( 122 ) apte à être entraîné en rotation autour de l' axe (X) et dans lequel est pratiqué le premier conduit d' évacuation ( 116 ) .(103) and placed before the suction disk (103) in the direction of filling of the material, are integral in rotation with a shaft (122) capable of being rotated about the axis (X) and in which the first evacuation pipe (116) is made.
13. Dispositif de remplissage selon l' une quelconque des revendications précédentes destiné à remplir au moins un moule pour fabriquer des pièces par frittage, par compression, par compression-frittage ou par compression isostatique à chaud . 13. Filling device according to any one of the preceding claims for filling at least one mold for making parts by sintering, compression, compression-sintering or hot isostatic pressing.
EP06709430A 2005-01-27 2006-01-24 Device for filling a container with at least one type of powder material Not-in-force EP1841653B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0550233A FR2881106B1 (en) 2005-01-27 2005-01-27 PROCESS FOR FILLING A CONTAINER WITH AT LEAST ONE POWDER MATERIAL AND DEVICE FOR CARRYING OUT SAID METHOD
PCT/FR2006/050046 WO2006079740A1 (en) 2005-01-27 2006-01-24 Device fo filling a container with at least one type of powder material

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EP1841653A1 true EP1841653A1 (en) 2007-10-10
EP1841653B1 EP1841653B1 (en) 2008-07-02

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EP06709430A Not-in-force EP1841653B1 (en) 2005-01-27 2006-01-24 Device for filling a container with at least one type of powder material

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US (1) US8113245B2 (en)
EP (1) EP1841653B1 (en)
JP (1) JP2008528801A (en)
CN (1) CN100562461C (en)
AT (1) ATE399717T1 (en)
DE (1) DE602006001636D1 (en)
ES (1) ES2308730T3 (en)
FR (1) FR2881106B1 (en)
WO (1) WO2006079740A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2881106B1 (en) 2005-01-27 2010-09-24 Commissariat Energie Atomique PROCESS FOR FILLING A CONTAINER WITH AT LEAST ONE POWDER MATERIAL AND DEVICE FOR CARRYING OUT SAID METHOD
FR2882029B1 (en) 2005-02-14 2011-03-11 Commissariat Energie Atomique DEVICE FOR DISPENSING AT LEAST ONE GRANULAR MATERIAL IN A CONTAINER, FILLING DEVICE AND FILLING METHOD USING SUCH A DEVICE
US20120180435A1 (en) * 2011-01-14 2012-07-19 Anthony Stelluti Packaging and Densitization of Micrometric Powders
CN102910312B (en) * 2012-11-05 2015-06-17 广州白云山制药股份有限公司广州白云山制药总厂 Method for controlling amount of remaining oxygen in powder injection preparation
JP6187512B2 (en) * 2015-03-17 2017-08-30 コニカミノルタ株式会社 Toner filling device
JP6540492B2 (en) * 2015-12-15 2019-07-10 株式会社デンソー Powder supply device
CN107866570A (en) * 2017-12-15 2018-04-03 东北大学 A kind of equipment for powder metallurgy warm pressing formation

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FR2881106B1 (en) 2005-01-27 2010-09-24 Commissariat Energie Atomique PROCESS FOR FILLING A CONTAINER WITH AT LEAST ONE POWDER MATERIAL AND DEVICE FOR CARRYING OUT SAID METHOD
FR2882029B1 (en) 2005-02-14 2011-03-11 Commissariat Energie Atomique DEVICE FOR DISPENSING AT LEAST ONE GRANULAR MATERIAL IN A CONTAINER, FILLING DEVICE AND FILLING METHOD USING SUCH A DEVICE

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Also Published As

Publication number Publication date
EP1841653B1 (en) 2008-07-02
JP2008528801A (en) 2008-07-31
US8113245B2 (en) 2012-02-14
US20080053562A1 (en) 2008-03-06
ES2308730T3 (en) 2008-12-01
ATE399717T1 (en) 2008-07-15
FR2881106A1 (en) 2006-07-28
FR2881106B1 (en) 2010-09-24
CN100562461C (en) 2009-11-25
DE602006001636D1 (en) 2008-08-14
WO2006079740A1 (en) 2006-08-03
CN101107170A (en) 2008-01-16

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