EP0738679A1 - Installation for bonding elements - Google Patents

Installation for bonding elements Download PDF

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Publication number
EP0738679A1
EP0738679A1 EP96400854A EP96400854A EP0738679A1 EP 0738679 A1 EP0738679 A1 EP 0738679A1 EP 96400854 A EP96400854 A EP 96400854A EP 96400854 A EP96400854 A EP 96400854A EP 0738679 A1 EP0738679 A1 EP 0738679A1
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EP
European Patent Office
Prior art keywords
conveyor belt
elements
installation
installation according
movable
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
EP96400854A
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German (de)
French (fr)
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EP0738679B1 (en
Inventor
Christian Planchard
Francis Laroche
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/34—Article-retaining devices controlling the release of the articles to the separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/42—Separating articles from piles by two or more separators mounted for movement with, or relative to, rotary or oscillating bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • B65H39/04—Associating,collating or gathering articles from several sources from piles
    • B65H39/043—Associating,collating or gathering articles from several sources from piles the piles being disposed in juxtaposed carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/43—Gathering; Associating; Assembling
    • B65H2301/431—Features with regard to the collection, nature, sequence and/or the making thereof
    • B65H2301/4311—Making personalised books or mail packets according to personal, geographic or demographic data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the present invention relates to an installation for bonding elements of a first type, for example samples, cards or sachets, on an element of a second type, for example a blank of cardboard, plastic or metal .
  • patent FR2664883 has proposed a rotary feeder for the precise placement of sheet elements on flat supports.
  • the feeder comprises at least one fixed magazine for storing the stacked sheet elements, a pressure roller cooperating with a device for continuously feeding flat supports, a means for suctioning the sheet elements, and support and drive means of an agency gripping member to give the latter a hypocycloidal trajectory such that two points of cusp of the hypocycloid coincide, on the one hand, with the gripping point of an element in sheet to said magazine, and, on the other hand, with the transfer point of said element to said pressure roller.
  • Such a device is suitable for industrial mass production of composite products formed from a folded side of cardboard carrying a bag.
  • the object of the invention is to provide an installation very easily adaptable to various mixed assemblies, the adjustment of which when changing production is simple and does not require specialized personnel.
  • the invention relates more particularly to a modular installation for bonding one or more elements of a first type, for example samples or sachets, to an element of a second type, for example a cardboard blank, in plastic or metal, of the type comprising a plurality of independent stations, the various stations being connected by a conveyor belt, at least two of the independent stations being constituted by feeders comprising a magazine for the storage of elements and means for gripping elements and removal at the conveyor belt, the conveyor belt drive means and independent stations are not mechanically coupled, in that the conveyor belt and independent stations each have their own drive means and that the installation includes a programmable electronic circuit for synchronizing the drive means of the conveyor belt and each of the stations s independent.
  • each of the feeders includes a feed store. elements and a means of gripping and depositing at the conveyor belt of the elements stored in the supply magazine, the position of the supply magazine relative to the conveyor belt and / or relative to the gripping and depositing means being adjustable .
  • the relative positioning of the elements following one of the axes of the support element is adjusted by controlling the advancement of the conveyor belt, and along the perpendicular axis by the positioning of the feeder relative to the conveyor belt. Mechanical adjustment is therefore limited to a linear displacement of one of the feeders and to blocking in the satisfactory position.
  • the gripping and depositing means consist of a rotary suction cup assembly capable of imparting a trajectory at least partially hypocycloidal, one of the cusp points of which coincides with the element gripping point and the second cusp point coincides with the point of transfer of the element gripped at the level of the conveyor belt, the rotary assembly having arms parallel to the transverse axis of the conveyor belt and supporting a plurality of suction cups which can be moved laterally, the assembly formed by the feeder and the suction cup holder being movable along a horizontal axis perpendicular to the axis of movement of the conveyor belt.
  • Hypocycloid systems are described in the prior art, for example in patents DE3028494.7, EP0374556 or EP0311325.
  • Such feeding systems result in an element pickup or an element removal at tangential speed close to the running speed of the conveyor belt.
  • the advancement of the conveyor belt is controlled to also present a speed close to the tangential speed of the suction cup at the time of the removal of an element.
  • the feeder has an inclined plate provided with at least one element drive belt, lateral guides and at least one retaining tab on the front face of the element closest to the conveyor belt, the at least one of the lateral guides being movable laterally.
  • the feeder comprises a lateral guide articulated so as to allow a slight displacement of the front edge at least of said guide.
  • This movable guide alternately makes it possible to free the lateral edges of the elements to allow the progression of the elements in the stack, and the re-tracking of the elements to guarantee the precise positioning of the elements arriving at the head of the stack.
  • This embodiment allows in particular the loading of semi-bulk products, without special storage.
  • the feeder comprises a plurality of guides to allow the presentation of a plurality of parallel stacks of elements.
  • FIG. 1 represents an overall view of an exemplary embodiment of an installation according to the invention.
  • the installation comprises three stations (1 to 3) each comprising a rotary suction cup assembly (4 to 6) of hypocycloidal type, the stations (1 to 3) being arranged opposite a conveyor belt (7) and separated by two two from an identical distance.
  • the conveyor belt (7) is mounted on a suction box (8) supported by a table (9).
  • This suction box (8) comprises one or more squirrel cage turbines ensuring a vacuum with a flow rate of the order of 300 m 3 per hour.
  • the box (8) has on its upper face longitudinal blades spaced apart by suction slots.
  • the conveyor belt (7) consists of an endless belt in a flexible film having perforations for the passage of air. It is driven by a stepping motor for intermittent advancement and at regular or irregular intervals, according to programmable sequences.
  • the installation further comprises, between the items deposition stations, gluing stations (10, 11).
  • Each of the sizing layers (10, 11) has a support arm (12, 13) on which are mounted, transversely displaceable, one or more sizing heads (14, 15).
  • the adjustable positioning of the gluing heads (14, 15) makes it easy to adapt the installation to a new production.
  • hypocycloidal assemblies are described for example in French patent FR2664883, in European patent EP331325 or French patent FR2487310.
  • a hypocycloidal assembly makes it possible to capture and deposit elements at zero tangential speed.
  • One of the cusp points coincides with the point for gripping the elements and the second cusp point coincides with the point of transfer of the element gripped at the conveyor belt (7).
  • the hypocycloidal assembly has three rotary arms (16, 17, 18) parallel to the transverse axis of the conveyor belt.
  • Each of the rotary arms (16, 17, 18) supports a plurality of suction cups (19 to 22) whose position is adjustable.
  • the rotary arms (16 to 18) comprise means for preventing the rotation of the suction cup holders (19 to 22) so as to avoid disorientation of the suction cup holder relative to the hypocycloid reference axes. They are for example constituted by arms with a non-circular section, for example with a square section.
  • the suction cup holders (19 to 22) are locked by screws when they have been positioned for new production.
  • the feeders have plates (23 to 25) inclined in the direction of the conveyor belt (7).
  • Each plate (23 to 25) is separated into a plurality of lateral guides (26 to 28).
  • the middle guide (27) is movable laterally.
  • the outer guides (26 and 28) are articulated around pivots (29, 30) perpendicular to the plane of the plate (25). These pivots can be moved laterally relative to the plate so as to adjust the spacing between the lateral guides and the middle guide and adapt this spacing to the width of the elements.
  • the front part (30, 31) of the front guides is movable laterally. It is thus possible to slightly move aside the lateral guides so as to facilitate the progression of the stack of elements, or on the contrary to retract the stack so as to guarantee the correct positioning of the elements and in particular of the first of the stack at the time of his grip.
  • the plate (25) compotes movable belts longitudinally driven by a stepping motor. After each grip of an element, the belts advance by a length corresponding to the thickness of an element.
  • the cell head element is retained by a movable stop (32).
  • This movable stop (32) is mounted in an adjustable manner laterally to allow adaptation to the width of the elements of the stack.
  • the installation is intended to stick on a cardboard insert two sachets containing samples of cream, powder or liquid, in an offset position and partially overlapping.
  • the first station (1) is in this case intended to place on the conveyor belt (7) the cardboard insert constituting the first element.
  • the conveyor belt progresses by a length bringing the insert deposited and maintained on the belt by suction under the gluing station. Then the insert is brought under the second station (2) depositing on the glued part two elements of the second type (a bag).
  • the third station allows to deposit a third element or a third series of element for this particular production.
  • This detector allows the counting of production. It is constituted by a capacitive sensor constituted by a measurement capacitor disposed near the conveyor belt (7) so that the passage of a product modifies the capacity of the detector.
  • the electrical control cabinet (35) comprises in known manner the power circuits and a microcomputer. According to an alternative embodiment, part of the installation control program is recorded in a removable key comprising a memory circuit, for example a memory card or a plug-in box.
  • the removable key includes a read-only memory in which certain parts of the program necessary for the operation of the installation are recorded, as well as a random access memory capable of memorizing the number of product produced, by counting for example the number of rotation carried out by the gripper. hypocycloid of the first station (1) or the number of steps of the advancement motor of the conveyor belt.

Abstract

The installation for gluing together cartons or sachets made of card or plastic includes a number of independent stations assembled above the line of a conveyor belt (7). The independent stations may include magazines for storage of components needed in the assembly, with a mechanism to place these components on the conveyor belt. The drive of the conveyor belt and those of the independent stations are not mechanically linked, each having its own drive system. The drive systems are all subject to a programmable electronic control which synchronises the operation of the independent stations with the movement of the conveyor.

Description

La présente invention concerne une installation pour le collage d'éléments d'un premier type, par exemple des échantillons, des cartes ou des sachets, sur un élément d'un deuxième type, par exemple un flan de carton, en plastique ou en métal.The present invention relates to an installation for bonding elements of a first type, for example samples, cards or sachets, on an element of a second type, for example a blank of cardboard, plastic or metal .

Dans l'art antérieur, la réalisation de tels produits était souvent réalisée manuellement car la forme des éléments du premier type est généralement mal définie et variable, notamment lorsqu'il s'agit de sachets contenant des échantillons de liquide ou de crème.In the prior art, the production of such products was often carried out manually because the shape of the elements of the first type is generally ill-defined and variable, especially when it comes to sachets containing samples of liquid or cream.

On a toutefois proposé dans le brevet FR2664883 un margeur rotatif pour le placement précis d'éléments en feuille sur des supports plats.However, patent FR2664883 has proposed a rotary feeder for the precise placement of sheet elements on flat supports.

Le margeur selon l'état de la technique comprend au moins un magasin fixe de stockage des éléments en feuille empilés, un rouleau presseur coopérant avec un dispositif d'amené en continu des supports plats, un moyen d'aspiration des éléments en feuille, et des moyens de support et d'entraînement d'un organe de saisie agences pour conférer a ce dernier une trajectoire hypocycloidale telle que deux points de rebroussement de l'hypocycloide coïncident, d'une part, avec le point de saisie d'un élément en feuille audit magasin, et, d'autre part, avec le point de transfert dudit élément audit rouleau presseur.The feeder according to the state of the art comprises at least one fixed magazine for storing the stacked sheet elements, a pressure roller cooperating with a device for continuously feeding flat supports, a means for suctioning the sheet elements, and support and drive means of an agency gripping member to give the latter a hypocycloidal trajectory such that two points of cusp of the hypocycloid coincide, on the one hand, with the gripping point of an element in sheet to said magazine, and, on the other hand, with the transfer point of said element to said pressure roller.

Un tel dispositif est adapté à une production en série industrielle de produits composites formés d'un flanc de carton plié portant un sachet.Such a device is suitable for industrial mass production of composite products formed from a folded side of cardboard carrying a bag.

Toutefois, un tel dispositif nécessite des réglages fastidieux lors du changement de production.However, such a device requires tedious adjustments when changing production.

Le but de l'invention est de proposer une installation très facilement adaptable à des assemblages mixtes variés, dont le réglage lors du changement de production est simple et ne nécessite pas de personnel spécialisé.The object of the invention is to provide an installation very easily adaptable to various mixed assemblies, the adjustment of which when changing production is simple and does not require specialized personnel.

L'invention concerne plus particulièrement une installation modulaire pour le collage d'un ou de plusieurs élément d'un premier type, par exemple des échantillons ou des sachets, sur un élément d'un deuxième type, par exemple un flan de carton, en plastique ou en métal, du type comportant une pluralité de postes indépendants, les différents postes étant reliés par un tapis convoyeur, deux au moins des postes indépendants étant constitués par des margeurs comportant un magasin pour le stockage d'éléments et des moyens pour la saisie d'éléments et la dépose au niveau du tapis convoyeur, les moyens d'entraînement du tapis convoyeur et les postes indépendants ne sont pas couplés mécaniquement, en ce que le tapis convoyeur et les postes indépendants comportent chacun leur propre moyen d'entraînement et en ce que l'installation comporte un circuit électronique programmable pour la synchronisation des moyens d'entraînement du tapis convoyeur et de chacun des postes indépendants.The invention relates more particularly to a modular installation for bonding one or more elements of a first type, for example samples or sachets, to an element of a second type, for example a cardboard blank, in plastic or metal, of the type comprising a plurality of independent stations, the various stations being connected by a conveyor belt, at least two of the independent stations being constituted by feeders comprising a magazine for the storage of elements and means for gripping elements and removal at the conveyor belt, the conveyor belt drive means and independent stations are not mechanically coupled, in that the conveyor belt and independent stations each have their own drive means and that the installation includes a programmable electronic circuit for synchronizing the drive means of the conveyor belt and each of the stations s independent.

L'absence de synchronisation mécanique entre les postes et le tapis convoyeur permet d'adapter le fonctionnement de l'installation à un type de production par la modification par logiciel des séquences de fonctionnement de chacun des postes, et permet l'adaptation de l'installation à des productions très variées, notamment à des réalisations dans lesquelles plusieurs éléments d'un premier type sont superposés et légèrement décalés. Les réglages mécaniques considérablement simplifiés et l'adaptation de l'installation à un nouveau type de production se traduit essentiellement par une intervention au niveau du circuit de commande électronique.The absence of mechanical synchronization between the stations and the conveyor belt makes it possible to adapt the operation of the installation to a type of production by modifying the operating sequences of each of the stations by software, and allows the adaptation of the installation in very varied productions, in particular in realizations in which several elements of a first type are superimposed and slightly offset. The considerably simplified mechanical adjustments and the adaptation of the installation to a new type of production essentially results in intervention at the level of the electronic control circuit.

Selon un mode de réalisation préféré, chacun des margeurs comporte un magasin d'alimentation en éléments et un moyen de saisie et de dépose au niveau du tapis convoyeur des éléments stockés dans le magasin d'alimentation, la position du magasin d'alimentation par rapport au tapis convoyeur et/ou par rapport au moyen de saisie et de dépose étant réglable.According to a preferred embodiment, each of the feeders includes a feed store. elements and a means of gripping and depositing at the conveyor belt of the elements stored in the supply magazine, the position of the supply magazine relative to the conveyor belt and / or relative to the gripping and depositing means being adjustable .

Le positionnement relatif des éléments suivants l'un des axes de l'élément support est réglé par la commande de l'avancement du tapis convoyeur, et suivant l'axe perpendiculaire par le positionnement du margeur par rapport au tapis convoyeur. Le réglage mécanique se limite donc à un déplacement linéaire de l'un des margeurs et au blocage dans la position donnant satisfaction.The relative positioning of the elements following one of the axes of the support element is adjusted by controlling the advancement of the conveyor belt, and along the perpendicular axis by the positioning of the feeder relative to the conveyor belt. Mechanical adjustment is therefore limited to a linear displacement of one of the feeders and to blocking in the satisfactory position.

Avantageusement, les moyens de saisie et de dépose sont constitués par un ensemble rotatif porte-ventouses apte à conférer une trajectoire au moins en partie hypocycloïdale dont l'un des points de rebroussement coïncide avec le point de saisie des éléments et le second point de rebroussement coïncide avec le point de transfert de l'élément saisie au niveau du tapis convoyeur, l'ensemble rotatif présentant des bras parallèles à l'axe transversal du tapis convoyeur et supportant une pluralité de ventouses déplaçables latéralement, l'ensemble formé par le margeur et le porte-ventouses étant mobile selon un axe horizontal perpendiculaire à l'axe de déplacement du tapis transporteur. Des systèmes hypocycloïdaux sont décrits dans l'art antérieur, par exemple dans les brevets DE3028494.7, EP0374556 ou EP0311325.Advantageously, the gripping and depositing means consist of a rotary suction cup assembly capable of imparting a trajectory at least partially hypocycloidal, one of the cusp points of which coincides with the element gripping point and the second cusp point coincides with the point of transfer of the element gripped at the level of the conveyor belt, the rotary assembly having arms parallel to the transverse axis of the conveyor belt and supporting a plurality of suction cups which can be moved laterally, the assembly formed by the feeder and the suction cup holder being movable along a horizontal axis perpendicular to the axis of movement of the conveyor belt. Hypocycloid systems are described in the prior art, for example in patents DE3028494.7, EP0374556 or EP0311325.

De tels systèmes d'alimentation se traduisent par une prise d'élément ou une dépose d'élément à vitesse tangentielle proche de la vitesse de défilement du tapis convoyeur. L'avancement du tapis convoyeur est commandé pour présenter également une vitesse proche de la vitesse tangentielle de la ventouse au moment de la dépose d'un élément.Such feeding systems result in an element pickup or an element removal at tangential speed close to the running speed of the conveyor belt. The advancement of the conveyor belt is controlled to also present a speed close to the tangential speed of the suction cup at the time of the removal of an element.

Avantageusement, le margeur présente un plateau incliné muni d'au moins une courroie d'entraînement des éléments, de guides latéraux et d'au moins un taquet de retenue de la face avant de l'élément le plus proche du tapis convoyeur, l'un au moins des guides latéraux étant mobile latéralement.Advantageously, the feeder has an inclined plate provided with at least one element drive belt, lateral guides and at least one retaining tab on the front face of the element closest to the conveyor belt, the at least one of the lateral guides being movable laterally.

De préférence, le margeur comporte un guide latéral articulé de manière à permettre un léger déplacement du bord avant au moins dudit guide. Ce guide mobile permet alternativement de libérer les bords latéraux des éléments pour permettre la progression des éléments dans la pile, et le retaquage des éléments pour garantir le positionnement précis des éléments arrivant en tête de pile. Ce mode de réalisation permet en particulier le chargement de produits en semi-vrac, sans rangement particulier.Preferably, the feeder comprises a lateral guide articulated so as to allow a slight displacement of the front edge at least of said guide. This movable guide alternately makes it possible to free the lateral edges of the elements to allow the progression of the elements in the stack, and the re-tracking of the elements to guarantee the precise positioning of the elements arriving at the head of the stack. This embodiment allows in particular the loading of semi-bulk products, without special storage.

Selon un mode de réalisation avantageux, le guide mobile est articulé autour d'un pivot arrière, le margeur comporte des moyens d'asservissement pour commander successivement :

  • le blocage du premier élément de la pile par le taquet de retenue,
  • l'écartement du guide latéral mobile,
  • avancement de la courroie crantée d'un pas correspondant à l'épaisseur de l'élément,
  • le taquage de la pile d'élément par le guide latéral mobile,
  • le retrait du taquet au moment de la prise du premier élément.
According to an advantageous embodiment, the movable guide is articulated around a rear pivot, the feeder comprises control means for successively controlling:
  • blocking of the first element of the stack by the retaining cleat,
  • the spacing of the movable lateral guide,
  • advancement of the toothed belt by a step corresponding to the thickness of the element,
  • jogging of the element stack by the movable lateral guide,
  • the removal of the cleat when the first element is taken.

Ce mode de réalisation permet réunir deux fonctions :

  • la fonction "d'entonnoir" facilitant l'alimentation en éléments, par exemple en sachets ;
  • la fonction de retaquage en début de pile garantissant la précision du positionnement avant la prise par la ventouse.
This embodiment combines two functions:
  • the "funnel" function facilitating the supply of elements, for example in sachets;
  • the re-tracking function at the start of the pile, guaranteeing precise positioning before being picked up by the suction cup.

Selon une autre variante, le margeur comporte une pluralité de guides pour permettre la présentation d'une pluralité de piles parallèles d'éléments.According to another variant, the feeder comprises a plurality of guides to allow the presentation of a plurality of parallel stacks of elements.

L'invention sera mieux comprise à la lecture de la description qui suit, faisant référence aux dessins annexés où :

  • la figure 1 représente une vue d'ensemble en perspective de l'installation modulaire selon l'invention ;
The invention will be better understood on reading the description which follows, referring to the accompanying drawings in which:
  • FIG. 1 represents an overall perspective view of the modular installation according to the invention;

La figure 1 représente une vue d'ensemble d'un exemple de réalisation d'une installation selon l'invention.FIG. 1 represents an overall view of an exemplary embodiment of an installation according to the invention.

L'installation comporte trois postes (1 à 3) comportant chacun un ensemble rotatif porte-ventouses (4 à 6) de type hypocycloïdale, les postes (1 à 3) étant disposés en regard d'un tapis convoyeur (7) et écartés deux à deux d'une distance identique.The installation comprises three stations (1 to 3) each comprising a rotary suction cup assembly (4 to 6) of hypocycloidal type, the stations (1 to 3) being arranged opposite a conveyor belt (7) and separated by two two from an identical distance.

Le tapis convoyeur (7) est monté sur un caisson aspirant (8) supporté par une table (9). Ce caisson aspirant (8) comporte une ou plusieurs turbines à cage d'écureuil assurant une dépression avec un débit de l'ordre de 300 m3 par heure. Le caisson (8) présente à sa face supérieure des lames longitudinales espacées par des fentes d'aspiration. Le tapis convoyeur (7) est constitué par une bande sans fin en un film souple présentant des perforations pour le passage de l'air. Il est entraîné par un moteur pas-à-pas pour un avancement intermittent et suivant des intervalles réguliers ou non, selon des séquences programmables.The conveyor belt (7) is mounted on a suction box (8) supported by a table (9). This suction box (8) comprises one or more squirrel cage turbines ensuring a vacuum with a flow rate of the order of 300 m 3 per hour. The box (8) has on its upper face longitudinal blades spaced apart by suction slots. The conveyor belt (7) consists of an endless belt in a flexible film having perforations for the passage of air. It is driven by a stepping motor for intermittent advancement and at regular or irregular intervals, according to programmable sequences.

L'installation comporte en outre, entre les postes de dépose d'éléments, des postes d'encollage (10, 11). Chacun des poses d'encollage (10, 11) comporte un bras-support (12, 13) sur lequel sont montés, de manière déplaçable transversalement, une ou plusieurs têtes d'encollage (14, 15).The installation further comprises, between the items deposition stations, gluing stations (10, 11). Each of the sizing layers (10, 11) has a support arm (12, 13) on which are mounted, transversely displaceable, one or more sizing heads (14, 15).

Le positionnement ajustable des têtes d'encollage (14, 15) permet d'adapter facilement l'installation à une nouvelle production.The adjustable positioning of the gluing heads (14, 15) makes it easy to adapt the installation to a new production.

Les ensembles hypocycloïdales sont décrit par exemple dans le brevet français FR2664883, dans le brevet européen EP331325 ou le brevet français FR2487310.The hypocycloidal assemblies are described for example in French patent FR2664883, in European patent EP331325 or French patent FR2487310.

Un ensemble hypocycloïdale permet de saisie et de déposer à vitesse tangentielle nulle des éléments. L'un des points de rebroussement coïncide avec le point de saisie des éléments et le second point de rebroussement coïncide avec le point de transfert de l'élément saisie au niveau du tapis convoyeur (7). L'ensemble hypocycloïdale présente trois bras rotatifs (16, 17, 18) parallèles à l'axe transversal du tapis convoyeur.A hypocycloidal assembly makes it possible to capture and deposit elements at zero tangential speed. One of the cusp points coincides with the point for gripping the elements and the second cusp point coincides with the point of transfer of the element gripped at the conveyor belt (7). The hypocycloidal assembly has three rotary arms (16, 17, 18) parallel to the transverse axis of the conveyor belt.

Chacun des bras rotatifs (16, 17, 18) supporte une pluralité de ventouses (19 à 22) dont la position est ajustable. Les bras rotatifs (16 à 18) comportent des moyens pour empêcher la rotation des porte-ventouses (19 à 22) de manière à éviter la désorientation du porte-ventouses par rapport aux axes de références hypocycloïdaux. Ils sont par exemple constitués par des bras à section non circulaire, par exemple à section carrée. Les porte-ventouses (19 à 22) sont bloqués par des vis lorsqu'ils ont été positionnés pour la nouvelle production.Each of the rotary arms (16, 17, 18) supports a plurality of suction cups (19 to 22) whose position is adjustable. The rotary arms (16 to 18) comprise means for preventing the rotation of the suction cup holders (19 to 22) so as to avoid disorientation of the suction cup holder relative to the hypocycloid reference axes. They are for example constituted by arms with a non-circular section, for example with a square section. The suction cup holders (19 to 22) are locked by screws when they have been positioned for new production.

Les margeurs comportent des plateaux (23 à 25) incliné en direction du tapis convoyeur (7). Chaque plateau (23 à 25) est séparé en une pluralité de guides latéraux (26 à 28). Le guide médian (27) est mobile latéralement.The feeders have plates (23 to 25) inclined in the direction of the conveyor belt (7). Each plate (23 to 25) is separated into a plurality of lateral guides (26 to 28). The middle guide (27) is movable laterally.

Les guides extérieurs (26 et 28) sont articulés autour de pivots (29, 30) perpendiculaires au plan du plateau (25). Ces pivots peuvent être déplacés latéralement par rapport au plateau de façon à ajuster l'écartement entre les guides latéraux et le guide médian et adapter cet écartement à la largeur des éléments. La partie avant (30, 31) des guides avants est mobile latéralement. Il est ainsi possible d'écarter légèrement les guides latéraux de façon à faciliter la progression de la pile d'élément, ou au contraire de retaquer la pile de façon à garantir le bon positionnement des éléments et en particulier du premier de la pile au moment de sa préhension.The outer guides (26 and 28) are articulated around pivots (29, 30) perpendicular to the plane of the plate (25). These pivots can be moved laterally relative to the plate so as to adjust the spacing between the lateral guides and the middle guide and adapt this spacing to the width of the elements. The front part (30, 31) of the front guides is movable laterally. It is thus possible to slightly move aside the lateral guides so as to facilitate the progression of the stack of elements, or on the contrary to retract the stack so as to guarantee the correct positioning of the elements and in particular of the first of the stack at the time of his grip.

Le plateau (25) compote des bandes mobiles longitudinalement entraînées par un moteur pas-à-pas. Après chaque prise d'un élément, les courroies avancent d'une longueur correspondant à l'épaisseur d'un élément.The plate (25) compotes movable belts longitudinally driven by a stepping motor. After each grip of an element, the belts advance by a length corresponding to the thickness of an element.

L'élément en tête de pile est retenu par une butée mobile (32). Cette butée mobile (32) est montée de manière réglable latéralement pour permettre une adaptation à la largeur des éléments de la pile.The cell head element is retained by a movable stop (32). This movable stop (32) is mounted in an adjustable manner laterally to allow adaptation to the width of the elements of the stack.

Le fonctionnement du margeur est le suivant

  • Après la prise d'un élément, la butée (32) vient en position de blocage de la pile ;
  • les guides latéraux sont déplacés en position écartée ;
  • la courroie d'avancement progresse d'une longueur correspondant à l'épaisseur d'un élément ;
  • les guides latéraux sont rabattus en position de serrage de la pile ;
  • la butée (32) est écartée pour libérer le premier élément de la pile ;
  • la ventouse vient saisir l'élément en tête de pile ;
   et le cycle recommence.The function of the feeder is as follows
  • After picking up an element, the stop (32) comes into the blocking position of the stack;
  • the lateral guides are moved in the separated position;
  • the advancement belt progresses by a length corresponding to the thickness of an element;
  • the lateral guides are folded down in the stack clamping position;
  • the stop (32) is moved aside to release the first element from the stack;
  • the suction cup grips the element at the head of the pile;
and the cycle begins again.

A titre d'exemple, l'installation est destinée à coller sur un encart en carton deux sachets contenant des échantillons de crème, de poudre ou de liquide, en position décalée et se recouvrant partiellement.For example, the installation is intended to stick on a cardboard insert two sachets containing samples of cream, powder or liquid, in an offset position and partially overlapping.

Le premier poste (1) est dans ce cas destiné à poser sur le tapis convoyeur (7) l'encart en carton constituant le premier élément.The first station (1) is in this case intended to place on the conveyor belt (7) the cardboard insert constituting the first element.

Après chaque dépose d'un élément, le tapis convoyeur progresse d'une longueur amenant l'encart déposé et maintenu sur le tapis par aspiration sous le poste d'encollage. Ensuite l'encart est amené sous le deuxième poste (2) déposant sur la partie encollée deux éléments du deuxième type (un sachet).After each removal of an element, the conveyor belt progresses by a length bringing the insert deposited and maintained on the belt by suction under the gluing station. Then the insert is brought under the second station (2) depositing on the glued part two elements of the second type (a bag).

Le troisième poste permet de déposer un troisième élément ou une troisième série d'élément pour cette production particulières.The third station allows to deposit a third element or a third series of element for this particular production.

A l'extrémité de l'installation est placé un détecteur non représenté sur la figure 1. Ce détecteur permet le comptage de la production. Il est constitué par u capteur capacitif constitué par un condensateur de mesure disposé à proximité du tapis de convoyage (7) de manière à ce que le passage d'un produit modifie la capacité du détecteur.At the end of the installation is placed a detector not shown in FIG. 1. This detector allows the counting of production. It is constituted by a capacitive sensor constituted by a measurement capacitor disposed near the conveyor belt (7) so that the passage of a product modifies the capacity of the detector.

L'armoire de commande électrique (35) comporte de manière connue les circuits de puissance et un microcalculateur. Selon une variante de réalisation, une partie du programme de commande de l'installation est enregistrée dans une clé amovible comportant un circuit de mémoire, par exemple une carte à mémoire ou un boîtier enfichable.The electrical control cabinet (35) comprises in known manner the power circuits and a microcomputer. According to an alternative embodiment, part of the installation control program is recorded in a removable key comprising a memory circuit, for example a memory card or a plug-in box.

La clé amovible comporte une mémoire morte dans laquelle sont enregistrée certaines parties du programme nécessaire au fonctionnement de l'installation, ainsi qu'une mémoire vive propre à mémoriser le nombre de produit réalisé, en comptant par exemple le nombre de rotation effectués par le préhenseur hypocycloïdale du premier poste (1) ou le nombre de pas du moteur d'avancement du tapis convoyeur.The removable key includes a read-only memory in which certain parts of the program necessary for the operation of the installation are recorded, as well as a random access memory capable of memorizing the number of product produced, by counting for example the number of rotation carried out by the gripper. hypocycloid of the first station (1) or the number of steps of the advancement motor of the conveyor belt.

Claims (8)

Installation modulaire pour le collage d'un ou de plusieurs élément d'un premier type, par exemple des échantillons, de cartes ou des sachets, sur un élément d'un deuxième type, par exemple un flan de carton, en plastique ou en métal, du type comportant une pluralité de postes indépendants, les différents postes (1 à 3) étant reliés par un tapis convoyeur (7), deux au moins des postes indépendants étant constitués par des margeurs comportant un magasin pour le stockage d'éléments et des moyens pour la saisie d'éléments et la dépose au niveau du tapis convoyeur (7) caractérisée en ce que les moyens d'entraînement du tapis convoyeur (7) et les postes indépendants ne sont pas couplés mécaniquement, en ce que le tapis convoyeur (7) et les postes indépendants (1 à 3) comportent chacun leur propre moyen d'entraînement et en ce que l'installation comporte un circuit électronique programmable pour la synchronisation des moyens d'entraînement du tapis convoyeur (7) et de chacun des postes indépendants.Modular installation for bonding one or more elements of a first type, for example samples, cards or sachets, to an element of a second type, for example a blank of cardboard, plastic or metal , of the type comprising a plurality of independent stations, the different stations (1 to 3) being connected by a conveyor belt (7), at least two of the independent stations being constituted by feeders comprising a magazine for the storage of elements and means for gripping elements and depositing them on the conveyor belt (7) characterized in that the drive means of the conveyor belt (7) and the independent stations are not mechanically coupled, in that the conveyor belt ( 7) and the independent stations (1 to 3) each have their own drive means and in that the installation includes a programmable electronic circuit for synchronizing the drive means of the conveyor belt ( 7) and each of the independent positions. Installation selon la revendication 1 caractérisée en ce que chacun des margeurs comporte un magasin d'alimentation en éléments et un moyen de saisie et de dépose au niveau du tapis convoyeur (7) des éléments stockés dans le magasin d'alimentation, la position du magasin d'alimentation par rapport tapis convoyeur (7) et/ou par rapport au moyen de saisie et de dépose étant réglable.Installation according to claim 1 characterized in that each of the feeders comprises an element supply magazine and a means of gripping and depositing at the level of the conveyor belt (7) of the elements stored in the supply magazine, the position of the magazine feed relative to conveyor belt (7) and / or relative to the gripping and depositing means being adjustable. Installation selon la revendication 2 caractérisée en ce que les moyen de saisie et de dépose sont constitués par un ensemble rotatif porte-ventouses (16, 17, 18) apte à conférer une trajectoire au moins en partie hypocycloïdale dont l'un des point de rebroussement coïncide avec le point de saisie des éléments et le second point de rebroussement coïncide avec le point de transfert de l'élément saisie au niveau du tapis convoyeur (7), l'ensemble rotatif présentant des bras parallèles à l'axe transversal du tapis convoyeur (7) et supportant une pluralité de ventouses déplaçables latéralement, l'ensemble formé par le margeur et le porte-ventouses (16, 17, 18) étant mobile selon un axe horizontal perpendiculaire à l'axe de déplacement du tapis transporteur, en ce que les moyens d'entraînement du tapis convoyeur (7) sont commandés de manière à interrompre le déplacement lorsque un ensemble de ventouses atteint le second point de rebroussement.Installation according to claim 2 characterized in that the gripping and depositing means are constituted by a rotary suction cup assembly (16, 17, 18) capable of imparting a trajectory at least partially hypocycloidal, one of the turning points of which coincides with the entry point of elements and the second cusp point coincides with the transfer point of the element gripped at the conveyor belt (7), the rotary assembly having arms parallel to the transverse axis of the conveyor belt (7) and supporting a plurality laterally movable suction cups, the assembly formed by the feeder and the suction cup holder (16, 17, 18) being movable along a horizontal axis perpendicular to the axis of movement of the conveyor belt, in that the drive means of the conveyor belts (7) are controlled so as to interrupt the movement when a set of suction cups reaches the second cusp. Installation selon l'une quelconque des revendications précédentes caractérisée en ce que les margeurs présentent un plateau incliné muni d'au moins une courroie d'entraînement des éléments, de guides latéraux et d'au moins un taquet de retenue de la face avant de l'élément le plus proche du tapis convoyeur (7), l'un au moins des guides latéraux étant mobile latéralement.Installation according to any one of the preceding claims, characterized in that the feeders have an inclined plate provided with at least one element drive belt, lateral guides and at least one retaining cleat on the front face of the element closest to the conveyor belt (7), at least one of the lateral guides being movable laterally. Installation selon la revendication 4 caractérisée en ce que le margeur comporte un guide latéral articulé de manière à permettre un léger déplacement du bord avant au moins dudit guide.Installation according to claim 4 characterized in that the feeder comprises a lateral guide articulated so as to allow a slight movement of the front edge at least of said guide. Installation selon la revendication 5 caractérisée en ce que le guide mobile est articulé autour d'un pivot arrière, et en ce que le margeur comporte des moyens d'asservissement pour commander successivement le blocage du premier élément de la pile par le taquet de retenue, l'écartement du guide latéral mobile, avancement de la courroie crantée d'un pas correspondant à l'épaisseur de l'élément, le taquage de la pile d'élément par le guide latéral mobile, puis le retrait du taquet au moment de la prise du premier élément.Installation according to claim 5 characterized in that the movable guide is articulated around a rear pivot, and in that the feeder comprises servo means for successively controlling the blocking of the first element of the stack by the retaining cleat, the spacing of the movable lateral guide, advancement of the toothed belt by a pitch corresponding to the thickness of the element, the jogging of the stack of elements by the movable lateral guide, then the removal of the cleat when the first element is taken. Installation selon la revendication 5 ou 6 caractérisée en ce que le margeur comporte une pluralité de guides pour permettre la présentation d'une pluralité de piles parallèles d'éléments.Installation according to claim 5 or 6 characterized in that the feeder comprises a plurality of guides to allow the presentation of a plurality of parallel stacks of elements. Installation selon l'une quelconque des revendications précédentes caractérisée en ce qu'une partie du programme de commande de l'installation est enregistrée dans une clé amovible.Installation according to any one of the preceding claims, characterized in that part of the installation control program is stored in a removable key.
EP96400854A 1995-04-21 1996-04-22 Installation for bonding elements Expired - Lifetime EP0738679B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9504843A FR2733218B1 (en) 1995-04-21 1995-04-21 INSTALLATION FOR GLUING ELEMENTS
FR9504843 1995-04-21

Publications (2)

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EP0738679A1 true EP0738679A1 (en) 1996-10-23
EP0738679B1 EP0738679B1 (en) 1999-10-06

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EP96400854A Expired - Lifetime EP0738679B1 (en) 1995-04-21 1996-04-22 Installation for bonding elements

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EP (1) EP0738679B1 (en)
AT (1) ATE185334T1 (en)
DE (1) DE69604523D1 (en)
FR (1) FR2733218B1 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP1080946A3 (en) * 1999-08-30 2003-01-15 Pitney Bowes Inc. Method and device for synchronizing motion for insert feeders in an insertion system
GB2389831A (en) * 2002-05-10 2003-12-24 Electrovac Manufacturing system with multiple workstations and magazine units

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GB2017052A (en) * 1978-02-07 1979-10-03 Edstrom L G Collator for sheet material
FR2487310A1 (en) * 1980-07-26 1982-01-29 Weiersmueller Verpacksyst Continuous pick=up mechanism for foils - has suction heads carried on rods rotated via levers, radial arms, and gears to move tangentially to foils
EP0201463A2 (en) * 1985-05-03 1986-11-12 O.M.G. di Giorgio Pessina e Aldo Perobelli S.n.c. A support structure for a signature loader or the like
US4790119A (en) * 1987-08-10 1988-12-13 World Color Press, Inc. Machine and process for organizing publications for distribution in a postal system
EP0335091A2 (en) * 1988-02-27 1989-10-04 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Process for bringing together printed products
GB2228913A (en) * 1989-02-01 1990-09-12 Promotion Impressions Ltd Wrapping selected groups of articles
DE9310310U1 (en) * 1993-07-10 1993-09-16 Iwk Verpackungstechnik Gmbh Storage device for folding boxes

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017052A (en) * 1978-02-07 1979-10-03 Edstrom L G Collator for sheet material
FR2487310A1 (en) * 1980-07-26 1982-01-29 Weiersmueller Verpacksyst Continuous pick=up mechanism for foils - has suction heads carried on rods rotated via levers, radial arms, and gears to move tangentially to foils
EP0201463A2 (en) * 1985-05-03 1986-11-12 O.M.G. di Giorgio Pessina e Aldo Perobelli S.n.c. A support structure for a signature loader or the like
US4790119A (en) * 1987-08-10 1988-12-13 World Color Press, Inc. Machine and process for organizing publications for distribution in a postal system
EP0335091A2 (en) * 1988-02-27 1989-10-04 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Process for bringing together printed products
GB2228913A (en) * 1989-02-01 1990-09-12 Promotion Impressions Ltd Wrapping selected groups of articles
DE9310310U1 (en) * 1993-07-10 1993-09-16 Iwk Verpackungstechnik Gmbh Storage device for folding boxes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1080946A3 (en) * 1999-08-30 2003-01-15 Pitney Bowes Inc. Method and device for synchronizing motion for insert feeders in an insertion system
GB2389831A (en) * 2002-05-10 2003-12-24 Electrovac Manufacturing system with multiple workstations and magazine units
GB2389831B (en) * 2002-05-10 2006-04-19 Electrovac Manufacturing system
US7076865B2 (en) 2002-05-10 2006-07-18 Electrovac, Fabrikation Elektrotechnischer Spezialartikel Gesellschaft M.B.H. Manufacturing system and method
CZ305580B6 (en) * 2002-05-10 2015-12-23 Ceramaspeed Inc. Production system

Also Published As

Publication number Publication date
ATE185334T1 (en) 1999-10-15
EP0738679B1 (en) 1999-10-06
DE69604523D1 (en) 1999-11-11
FR2733218A1 (en) 1996-10-25
FR2733218B1 (en) 1997-07-11

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