FR2641491A1 - Installation for the manufacture of rubber components, especially components made up of a metal part and of a vulcanised-rubber part, such as tyred wheels - Google Patents

Installation for the manufacture of rubber components, especially components made up of a metal part and of a vulcanised-rubber part, such as tyred wheels Download PDF

Info

Publication number
FR2641491A1
FR2641491A1 FR8900103A FR8900103A FR2641491A1 FR 2641491 A1 FR2641491 A1 FR 2641491A1 FR 8900103 A FR8900103 A FR 8900103A FR 8900103 A FR8900103 A FR 8900103A FR 2641491 A1 FR2641491 A1 FR 2641491A1
Authority
FR
France
Prior art keywords
mixer
rubber
installation
vulcanization
window
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
FR8900103A
Other languages
French (fr)
Other versions
FR2641491B1 (en
Inventor
Patrick Richard
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.)
FABRICATION ARTICLES METALLIQU
Original Assignee
FABRICATION ARTICLES METALLIQU
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 FABRICATION ARTICLES METALLIQU filed Critical FABRICATION ARTICLES METALLIQU
Priority to FR8900103A priority Critical patent/FR2641491B1/en
Publication of FR2641491A1 publication Critical patent/FR2641491A1/en
Application granted granted Critical
Publication of FR2641491B1 publication Critical patent/FR2641491B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/021—Heat treatment of powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/042—Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds
    • B29C31/047—Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds combined with moving moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C2035/0283—Thermal pretreatment of the plastics material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0855—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using microwave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
    • B29C2043/046—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds travelling between different stations, e.g. feeding, moulding, curing stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • B29C2043/3405—Feeding the material to the mould or the compression means using carrying means
    • B29C2043/3427—Feeding the material to the mould or the compression means using carrying means hopper, vessel, chute, tube, conveying screw, for material in discrete form, e.g. particles or powder or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5875—Measuring, controlling or regulating the material feed to the moulds or mould parts, e.g. controlling feed flow, velocity, weight, doses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/06—Feeding of the material to be moulded, e.g. into a mould cavity in measured doses, e.g. by weighting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material

Abstract

Installation comprising a weighing device 1, 2, 3 and a mixer 4 fed by the device 1 fitted with a stirrer 5 and with a cone-shaped bottom 6 having a controlled opening and closing movement, a microwave generator 10 connected to the mixer 4 via a window 12, and a press 22, 24, 25 with moulds 21, 23. The invention relates in particular to the manufacture of components made up of a metal part and of a vulcanised-rubber part, such as wheels.

Description

Installation pour la fabrication de pièces en caoutchouc, notamment de pièces composées d'une partie métallique et d'une partie en caoutchouc vulcanisé, telles que les roues à bandage". Installation for the production of rubber parts, in particular parts composed of a metal part and a vulcanized rubber part, such as tires with tires ".

La présente invention concerne une installation pour la fabrication de pièces en caoutchouc, notamment de pièces composées d'une partie métallique et d'une partie en caoutchouc vulcanisé, telles que les roues à bandage. The present invention relates to an installation for manufacturing rubber parts, in particular parts composed of a metal part and a vulcanized rubber part, such as tires.

Il est connu de fabriquer des pièces en poudre de caoutchouc telles que des roues à bandage dont le bandage est vulcanisé sur la jante métallique. It is known to manufacture rubber powder parts such as wheels with a tire, the tire of which is vulcanized on the metal rim.

Pour cela, on connaît différents moyens, en particulier un procédé et une installation selon lesquels on fait passer la poudre de caoutchouc sur un tapis roulant dans la zone d'action d'un générateur de micro-ondes qui réchauffe la poudre à une température inférieure à la température de vulcanisation. Puis, cette poudre est déversée dans un moule contenant déjà la jante. Le moule est fermé pour passer en vulcanisation. For this, various means are known, in particular a method and an installation according to which the rubber powder is passed over a conveyor belt in the zone of action of a microwave generator which heats the powder to a lower temperature. at the vulcanization temperature. Then, this powder is poured into a mold already containing the rim. The mold is closed to pass into vulcanization.

Bien que ce procédé connu permette de réduire la durée du cycle de fabrication d'une roue à bandage, il ne donne pas entière satisfaction car le réchauffage de la poudre avant introduction dans le moule est relativement irrégulier de sorte qu'il faut un temps de cuisson relativement long pour homogénéiser la masse de caoutchouc et assurer une vulcanisation régulière et homogène. Although this known method makes it possible to reduce the duration of the manufacturing cycle of a tire wheel, it is not entirely satisfactory since the reheating of the powder before introduction into the mold is relatively irregular so that it takes a time of relatively long baking to homogenize the rubber mass and ensure regular and homogeneous vulcanization.

La présente invention a pour but de remédier aux inconvénients des solutions connues et se propose de créer une installation de fabrication de pièces en poudre de caoutchouc, notamment de roues à jante métallique et bandage, dont le cycle de fabrication est particulièrement court sans que cela ne soit au détriment de la qualité du produit fabriqué. The present invention aims to remedy the drawbacks of known solutions and proposes to create an installation for manufacturing rubber powder parts, in particular wheels with metal rim and tire, the manufacturing cycle of which is particularly short without this either at the expense of the quality of the product produced.

A cet effet, l'invention concerne une installation du type ci-dessus, caractérisée en ce qu'elle comprend - un dispositif de pesée pour doser une quantité
déterminée de poudre de caoutchouc, - un mélangeur qui reçoit la quantité de poudre pesée
par le dispositif, ce mélangeur étant muni d'un
agitateur et d'un fond en forme de cône susceptible
d'effectuer un mouvement descendant commandé
(moteur) pour l'ouverture ou ascendant pour la
fermeture de l'agitateur, ainsi qu'une fenêtre
réalisée dans la paroi du mélangeur, cette fenêtre
étant transparente aux micro-ondes, - un générateur de micro-ondes (magnétron) injectant
de l'énergie sous forme de micro-ondes dans le
mélangeur à travers la fenêtre, - une presse avec des moules pour recevoir la poudre
de caoutchouc réchauffée à une température inférieu
re à la température de vulcanisation et assurer la
mise en forme et la vulcanisation du produit en
poudre de caoutchouc, - ainsi qu'un circuit de commande relié au dispositif
de pesée, au mélangeur, au générateur de micro-ondes
et à la presse pour commander le fonctionnement
cyclique.To this end, the invention relates to an installation of the above type, characterized in that it comprises - a weighing device for dosing a quantity
rubber powder, - a mixer that receives the quantity of powder weighed
by the device, this mixer being provided with a
agitator and a likely cone-shaped bottom
perform a controlled downward movement
(motor) for opening or ascending for
closing the agitator, as well as a window
made in the mixer wall, this window
being transparent to microwaves, - a microwave generator (magnetron) injecting
energy in the form of microwaves in the
mixer through the window, - a press with molds to receive the powder
rubber warmed to a lower temperature
re at the vulcanization temperature and ensure the
shaping and vulcanization of the product in
rubber powder, - as well as a control circuit connected to the device
weighing machine, mixer, microwave generator
and press to control the operation
cyclic.

Cette installation permet de traiter chaque fois la matière nécessaire à la fabrication d'une ou de quelques pièces. La poudre de caoutchouc est pesée de manière précise puis elle est introduite dans le mélangeur ; elle y subit une agitation active tout en étant soumise au champ électromagnétique à micro-ondes qui en assure le réchauffage à coeur. Une sonde de température permet de déterminer la température précise de la masse et d'arrêter le préchauffage dès que la température de consigne est atteinte. This installation makes it possible to treat each time the material necessary for the manufacture of one or a few parts. The rubber powder is weighed precisely and then it is introduced into the mixer; it undergoes active agitation therein while being subjected to the electromagnetic microwave field which ensures its reheating to the core. A temperature probe makes it possible to determine the precise temperature of the mass and to stop preheating as soon as the set temperature is reached.

Le cône qui obture le fond du mélangeur est commandé suivant un mouvement de translation vertical et de rotation pour assurer une répartition régulière, de par sa rotation, de la poudrette ainsi mélangée et réchauffée à l'intérieur du moule mis sous le mélangeur. Puis, le moule, chargé de la quantité nécessaire de poudre de caoutchouc, est transféré dans la presse. The cone which closes the bottom of the mixer is controlled in a vertical translational and rotational movement to ensure a regular distribution, by its rotation, of the crumb thus mixed and warmed inside the mold placed under the mixer. Then, the mold, loaded with the necessary quantity of rubber powder, is transferred to the press.

Sans perte de temps pendant l'opération de pressage et de vulcanisation, le dispositif de pesée effectue une nouvelle pesée et introduit la quantité de poudre dans le mélangeur.Without wasting time during the pressing and vulcanizing operation, the weighing device re-weighs and introduces the quantity of powder into the mixer.

La présente invention sera décrite de manière plus détaillée à l'aide d'un exemple de réalisation représenté schématiquement dans l'unique figure annexée montrant une installation de fabrication de pièces en caoutchouc selon l'invention. The present invention will be described in more detail using an embodiment shown schematically in the single appended figure showing an installation for manufacturing rubber parts according to the invention.

Selon la figure, l'installation se compose d'un dispositif de pesée 1 qui pèse une quantité déterminée de poudre de caoutchouc fournie par la trémie 2. Le réceptacle du dispositif de pesée 1 est fermé par une vanne commandée 3. Sous le dispositif de pesée 1 se trouve un mélangeur 4 qui reçoit la quantité pesée par l'ouverture de la vanne 3. According to the figure, the installation consists of a weighing device 1 which weighs a determined quantity of rubber powder supplied by the hopper 2. The receptacle of the weighing device 1 is closed by a controlled valve 3. Under the weighing 1 there is a mixer 4 which receives the quantity weighed by the opening of the valve 3.

Le mélangeur 4 est un récipient muni d'un agitateur 5 commandé par un moteur 8. Le fond du récipient formant le mélangeur 4 est constitué par un cône 6 commandé en translation verticale par un moteur 7. The mixer 4 is a container fitted with an agitator 5 controlled by a motor 8. The bottom of the container forming the mixer 4 is constituted by a cone 6 controlled in vertical translation by a motor 7.

Lorsque le cône 6 est en position relevée, il ferme le mélangeur 4 et en position abaissée, il permet d'évacuer régulièrement le contenu du mélangeur 4 dans un moule non représenté placé sous le mélangeur.When the cone 6 is in the raised position, it closes the mixer 4 and in the lowered position, it allows the contents of the mixer 4 to be evacuated regularly in a mold (not shown) placed under the mixer.

Le mélangeur 4 est équipé d'un générateur de micro-ondes 10 qui injecte l'énergie à haute fréquence par un guide d'ondes il et une fenêtre 12 réalisée dans la cuve du mélangeur 4 et transparente aux microondes. Cette fenêtre peut être en PTFE. The mixer 4 is equipped with a microwave generator 10 which injects the high frequency energy by a waveguide 11 and a window 12 made in the tank of the mixer 4 and transparent to microwaves. This window can be made of PTFE.

Suivant la quantité de produit à réchauffer dans le mélangeur 4, le guide d'onde 11 peut être relié à un ou plusieurs générateurs de micro-ondes 10 (magnétrons). Depending on the quantity of product to be heated in the mixer 4, the waveguide 11 can be connected to one or more microwave generators 10 (magnetrons).

Le mélangeur 4 est également équipé d'une sonde de température 13 qui détecte la température au coeur de la masse de produit pour commander l'arrêt du générateur 10 lorsque la température de consigne est atteinte. The mixer 4 is also equipped with a temperature probe 13 which detects the temperature at the heart of the mass of product to control the stopping of the generator 10 when the set temperature is reached.

L'installation comporte également une ou plusieurs presses formées d'une table 20 sur laquelle circulent la ou les parties inférieures 21 de moules, commandées par exemple, par un vérin 22. La ou les parties de moules 21 sont ainsi mises sous le mélangeur 4 pour recevoir la quantité appropriée de poudre lors de l'ouverture et de la rotation du cône 6. The installation also includes one or more presses formed by a table 20 on which circulate the lower part or parts 21 of molds, controlled for example, by a jack 22. The part or parts of molds 21 are thus placed under the mixer 4 to receive the appropriate amount of powder when opening and rotating the cone 6.

Lorsque la partie inférieure du moule 21 est remplie, le vérin 22 commande son transfert sous la partie supérieure 23 portée par le bâti 24 de la presse. Un vérin 25 commande la fermeture du moule. La presse est également munie de moyens de chauffage non représentés pour assurer la vulcanisation de la poudre de caoutchouc contenue dans le moule.  When the lower part of the mold 21 is filled, the jack 22 controls its transfer under the upper part 23 carried by the frame 24 of the press. A jack 25 controls the closing of the mold. The press is also provided with heating means, not shown, to ensure the vulcanization of the rubber powder contained in the mold.

Enfin, l'installation est munie d'un circuit de commande 30 relié au dispositif de pesée 1, au mélangeur 4 (sonde de température) ainsi qu'au générateur de micro-ondes 10 et à la presse, pour commander le fonctionnement cyclique du dispositif de pesée 1, le transfert de la quantité pesée dans le mélangeur 4, l'agitation du mélange pendant son réchauffage à la température de consigne, l'arrêt du générateur 10 lorsque la température de consigne est atteinte dans la masse du mélange, puis le transfert du mélange ainsi réchauffé dans la partie de moule 21 conduite sous le mélangeur, le transfert de la partie 21 dans la presse sous la partie supérieure 23 et la vulcanisation pendant que le début du cycle (pesée, mélange et réchauffage) a déjà recommencé par ailleurs. Finally, the installation is provided with a control circuit 30 connected to the weighing device 1, to the mixer 4 (temperature probe) as well as to the microwave generator 10 and to the press, to control the cyclic operation of the weighing device 1, transferring the quantity weighed into the mixer 4, agitating the mixture while it warms up to the set temperature, stopping the generator 10 when the set temperature is reached in the mass of the mixture, then the transfer of the mixture thus reheated in the mold part 21 conducted under the mixer, the transfer of the part 21 in the press under the upper part 23 and the vulcanization while the start of the cycle (weighing, mixing and reheating) has already started again otherwise.

Selon l'invention, la durée de cuisson (vulcanisation) dans le moule est extrêmement réduite et tant les calculs que la pratique montrent que le gain de temps réalisé dans un cycle de fabrication est d'autant plus important que la pièce nécessite une quantité plus grande de caoutchouc. According to the invention, the cooking time (vulcanization) in the mold is extremely reduced and both the calculations and the practice show that the time saved in a manufacturing cycle is all the more important as the part requires a more quantity. large rubber.

A titre d'information, la puissance nécessaire au réchauffage de la poudre de caoutchouc dans le mélangeur peut être de l'ordre de 5 kW. Le magnétron utilisé fournit, suivant un exemple, une énergie électromagnétique à une fréquence de 2,45 ghz. For information, the power required to heat the rubber powder in the mixer can be of the order of 5 kW. The magnetron used provides, according to an example, electromagnetic energy at a frequency of 2.45 GHz.

La présente installation s'applique à la fabrication de différentes pièces en caoutchouc réalisées à partir d'une poudre de caoutchouc, et vulcanisation de la pièce mise en forme, de préférence des pièces composées d'une partie métallique et d'une partie en caoutchouc comme, par exemple, des roues à bandage dont la jante est une pièce métallique.  The present installation applies to the manufacture of different rubber parts made from a rubber powder, and vulcanization of the shaped part, preferably parts composed of a metal part and a rubber part. like, for example, tires with a rim which is a metallic part.

Claims (3)

REVENDICATIONS 1) Installation pour la fabrication de pièces en caoutchouc, notamment de pièces composées d'une partie métallique et d'une partie en caoutchouc vulcanisé, telles que des roues à bandage, installation comportant un générateur à micro-ondes fournissant l'énergie de réchauffage du caoutchouc avant son introduction dans le moule de vulcanisation, installation caractérisée en ce qu'elle comprend - un dispositif de pesée (1, 2, 3) pour doser une 1) Installation for manufacturing rubber parts, in particular parts composed of a metallic part and a vulcanized rubber part, such as tires, installation comprising a microwave generator providing the heating energy rubber before its introduction into the vulcanization mold, installation characterized in that it comprises - a weighing device (1, 2, 3) for dosing a quantité déterminée de poudre de caoutchouc, - un mélangeur (4) qui reçoit la quantité de poudre determined quantity of rubber powder, - a mixer (4) which receives the quantity of powder pesée par le dispositif (1), ce mélangeur étant muni weighed by the device (1), this mixer being provided d'un agitateur (4) et d'un fond (5) en forme de cône a stirrer (4) and a cone-shaped bottom (5) susceptible d'effectuer un mouvement descendant likely to perform a downward movement commandé (moteur 7) pour l'ouverture ou ascendant controlled (motor 7) for opening or ascending pour la fermeture de l'agitateur, ainsi qu'une fenê for closing the agitator, as well as a window tre (12) réalisée dans la paroi du mélangeur (4), tre (12) produced in the wall of the mixer (4), cette fenêtre étant transparente aux micro-ondes, - un générateur de micro-ondes (magnétron) (10) injec this window being transparent to microwaves, - a microwave generator (magnetron) (10) injec tant de l'énergie sous forme de micro-ondes dans le so much energy in the form of microwaves in the mélangeur (4) à travers la fenêtre (12), - une presse (22, 24, 25) avec des moules (21, 23) mixer (4) through the window (12), - a press (22, 24, 25) with molds (21, 23) pour recevoir la poudre de caoutchouc réchauffée à to receive the rubber powder reheated to une température inférieure à la température de a temperature below the temperature of vulcanisation et assurer la mise en forme et la vulcanization and ensuring the shaping and vulcanisation du produit en poudre de caoutchouc, - ainsi qu'un circuit de commande (30) relié au dispo vulcanization of the rubber powder product, - as well as a control circuit (30) connected to the available sitif de pesée (1), au mélangeur (4), au générateur weighing device (1), mixer (4), generator de micro-ondes (10) et à la presse (22, 24, 25) pour microwave (10) and press (22, 24, 25) to commander le fonctionnement cyclique. control cyclic operation. 2) Installation selon la revendication 1, caractérisée en ce que le mélangeur est muni d'une sonde de température reliée au circuit de commande pour commander l'arrêt du générateur de micro-ondes (10) dès que la température prescrite est atteinte au coeur de la poudre de caoutchouc. 2) Installation according to claim 1, characterized in that the mixer is provided with a temperature probe connected to the control circuit for controlling the stopping of the microwave generator (10) as soon as the prescribed temperature is reached in the heart rubber powder. 3) Installation selon la revendication 1, caractérisée en ce que le dispositif de pesée (1) est muni d'une vanne commandée (3) pour fournir la quantité de caoutchouc pesée au mélangeur (4).  3) Installation according to claim 1, characterized in that the weighing device (1) is provided with a controlled valve (3) to supply the quantity of rubber weighed to the mixer (4).
FR8900103A 1989-01-06 1989-01-06 INSTALLATION FOR THE MANUFACTURE OF RUBBER PARTS, PARTICULARLY COMPONENTS COMPOSED OF A METAL PART AND A VULCANIZED RUBBER PART, SUCH AS WHEEL BELTS Expired - Fee Related FR2641491B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8900103A FR2641491B1 (en) 1989-01-06 1989-01-06 INSTALLATION FOR THE MANUFACTURE OF RUBBER PARTS, PARTICULARLY COMPONENTS COMPOSED OF A METAL PART AND A VULCANIZED RUBBER PART, SUCH AS WHEEL BELTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8900103A FR2641491B1 (en) 1989-01-06 1989-01-06 INSTALLATION FOR THE MANUFACTURE OF RUBBER PARTS, PARTICULARLY COMPONENTS COMPOSED OF A METAL PART AND A VULCANIZED RUBBER PART, SUCH AS WHEEL BELTS

Publications (2)

Publication Number Publication Date
FR2641491A1 true FR2641491A1 (en) 1990-07-13
FR2641491B1 FR2641491B1 (en) 1994-08-12

Family

ID=9377509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8900103A Expired - Fee Related FR2641491B1 (en) 1989-01-06 1989-01-06 INSTALLATION FOR THE MANUFACTURE OF RUBBER PARTS, PARTICULARLY COMPONENTS COMPOSED OF A METAL PART AND A VULCANIZED RUBBER PART, SUCH AS WHEEL BELTS

Country Status (1)

Country Link
FR (1) FR2641491B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103455A1 (en) * 1991-02-06 1992-08-13 Krauss Maffei Ag MIXER DRYERS
WO2004043686A1 (en) 2002-11-13 2004-05-27 Lrm Industries, Llc Thermoplastic molding process and apparatus
CN107599223A (en) * 2017-10-27 2018-01-19 天津思特塑料制品有限公司 Raw material Quick pre-heating device is used in a kind of plastic products production
CN114888994A (en) * 2022-06-10 2022-08-12 厦门鑫福宝莱智能装备有限公司 Microwave heating and stirring system for polar powder material and temperature control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076229A (en) * 1959-06-02 1963-02-05 Stokes F J Corp Transfer apparatus for molding press having preheater
GB1098037A (en) * 1964-06-02 1968-01-03 Angus George Co Ltd Improvements in and relating to moulding rubber articles
US3777095A (en) * 1972-05-15 1973-12-04 Tokyo Shibaura Electric Co Microwave heating apparatus
EP0072505A2 (en) * 1981-08-06 1983-02-23 Sumitomo Rubber Industries Limited Method and apparatus for preheating elastomer products

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076229A (en) * 1959-06-02 1963-02-05 Stokes F J Corp Transfer apparatus for molding press having preheater
GB1098037A (en) * 1964-06-02 1968-01-03 Angus George Co Ltd Improvements in and relating to moulding rubber articles
US3777095A (en) * 1972-05-15 1973-12-04 Tokyo Shibaura Electric Co Microwave heating apparatus
EP0072505A2 (en) * 1981-08-06 1983-02-23 Sumitomo Rubber Industries Limited Method and apparatus for preheating elastomer products

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103455A1 (en) * 1991-02-06 1992-08-13 Krauss Maffei Ag MIXER DRYERS
US5255444A (en) * 1991-02-06 1993-10-26 Krauss-Maffei Aktiengesellschaft Microwave drying/mixing apparatus
WO2004043686A1 (en) 2002-11-13 2004-05-27 Lrm Industries, Llc Thermoplastic molding process and apparatus
EP1569789A1 (en) * 2002-11-13 2005-09-07 LRM Industries, LLC Thermoplastic molding process and apparatus
EP1569789A4 (en) * 2002-11-13 2012-03-28 Lrm Ind Llc Thermoplastic molding process and apparatus
CN107599223A (en) * 2017-10-27 2018-01-19 天津思特塑料制品有限公司 Raw material Quick pre-heating device is used in a kind of plastic products production
CN114888994A (en) * 2022-06-10 2022-08-12 厦门鑫福宝莱智能装备有限公司 Microwave heating and stirring system for polar powder material and temperature control method

Also Published As

Publication number Publication date
FR2641491B1 (en) 1994-08-12

Similar Documents

Publication Publication Date Title
US11040466B2 (en) Inductively heated mold for personal use
FR2641491A1 (en) Installation for the manufacture of rubber components, especially components made up of a metal part and of a vulcanised-rubber part, such as tyred wheels
JP4234143B2 (en) Resin molding method and resin molding apparatus
FR2899510A1 (en) METHOD AND DEVICE FOR MOLDING ELASTOMERIC ARTICLES
CA1312121C (en) Microwage oven equipped with a wave stirrer
US6284182B1 (en) Molding process employing heated fluid
JP4234130B2 (en) Resin molding method and resin molding apparatus
FR2824288A1 (en) Injection molding press includes cylinder carrying mold assemblies between fixed stations for injection, vulcanization and extraction
EP3378435B1 (en) Method and apparatus for polymerizing or cross-linking a dental composition
JPH1156626A (en) Rice boiling method and microwave rice cooker used for the method
CN212171114U (en) Feeding device for injection molding shoe mold
JP4800786B2 (en) Resin molding method and resin molding apparatus
KR101174711B1 (en) Pparatus for manufacturing consecutively moving whole soybean curd
EP0618057B1 (en) Resin transfer moulding
JPS58220715A (en) Injection molding method of rubber of resin material
US3831908A (en) Putty conditioning method and apparatus
US20220202028A1 (en) Thawing plant and thawing method of raw frozen meat products in a drum tumbler
CN212826250U (en) Plastic raw material melting device
JPS6265655A (en) Production apparatus of bean curd
CN218615116U (en) Silica gel is filling device for injection mold
CN211415872U (en) Modified plastic particle preheating device
CN214916151U (en) Uniform heating production equipment for resistant dextrin
CN219618227U (en) Plastic bottle raw material blending device
KR102301300B1 (en) Manufacturing device and manufacturing method for pottery vessel
JPH09276140A (en) Stirring device inside rice cooking pot

Legal Events

Date Code Title Description
ST Notification of lapse