EP0613768A1 - Variable-size tray forming machine - Google Patents

Variable-size tray forming machine Download PDF

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Publication number
EP0613768A1
EP0613768A1 EP93440081A EP93440081A EP0613768A1 EP 0613768 A1 EP0613768 A1 EP 0613768A1 EP 93440081 A EP93440081 A EP 93440081A EP 93440081 A EP93440081 A EP 93440081A EP 0613768 A1 EP0613768 A1 EP 0613768A1
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EP
European Patent Office
Prior art keywords
trays
securing
cardboard
tray
wall
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.)
Withdrawn
Application number
EP93440081A
Other languages
German (de)
French (fr)
Inventor
Jacky Guy
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.)
SECS SA
Original Assignee
SECS SA
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Filing date
Publication date
Application filed by SECS SA filed Critical SECS SA
Publication of EP0613768A1 publication Critical patent/EP0613768A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/0043—Multiple-step processes for making flat articles ; Making flat articles the articles being box parts not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B31B50/46—Folding sheets, blanks or webs by plungers moving through folding dies and interconnecting side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0022—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed made from tubular webs or blanks, including by tube or bottom forming operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping

Definitions

  • the present invention relates to a device for making cardboard trays which can be used in particular for packaging products on pallets, said device being particularly suitable for making trays of different formats.
  • the trays are of different formats, two sizes of trays being most frequently used, one with the dimensions of a standard pallet, and the other corresponding to half, lengthwise, of said standard pallet.
  • the present invention aims to remedy this drawback by proposing a device allowing the passage from one format to another without significantly reducing the production rate.
  • the device object of the present invention comprises for this purpose a set of means controlled by an electrical and electronic management system which, when one wants to change format, for example when one wants to go from a pallet to a half -palette, or vice versa, orders the technical modifications to be made to said means without outside intervention.
  • the device comprises, in a manner known per se, a means of supplying cardboard blanks on a lifting table; centering means; means for unstacking and transferring said blanks mounted on a carriage movable in horizontal translation and themselves movable in vertical translation means for positioning each blank above a tray-forming cavity; means for joining them together on the four sides of the tray; a means of evacuating the finished tray, and a means for operating its reversal in order to form a cover, controlled by an electronic system allowing programming on request.
  • the means for unstacking and transferring the cardboard blanks can be any known means capable of carrying out this operation, such as suction cups mounted on a carriage movable in horizontal translation, to which a jack is secured which can move said suction cups in vertical translation .
  • the means for securing together the sides of the tray may consist of any suitable known means, such as sizing and pressing means, or stapling means.
  • the means of evacuating the finished tray can be a conveyor belt or any other known suitable means.
  • the supply and transfer means comprising centering means and stops suitable for all formats of trays, the transition from the manufacture of a tray to that of a tray of different format, and vice versa, does not require adaptation only at the level of the tray formation and the joining of its sides.
  • At least one wall of the tray-forming cavity can be moved automatically, in horizontal translation, as well as at least one of the means for securing the sides of the tray.
  • the displacement of at least one of the walls of the forming cavity, as well as at least one of the means for securing together the sides of the tray, can be ensured by any suitable known means, for example using motorized worms.
  • the device according to the invention comprises several work stations, a station 1 for transferring sheets of cardboard, a station 2 for forming trays and a station 3 for discharging finished trays and possibly turning them over to make lids.
  • Station 1 includes a lifting table 11 carrying a tray 12 on which are stacked cardboard sheets 13, shown in dotted lines for large formats and in solid lines for small ones. It further comprises a system for unstacking and transferring the cardboard sheets 13, consisting of a carriage 14 movable in translation in a horizontal plane, guided by a rail 17 and set in motion using belts 18, to which is secured by means of a jack 16 a frame 16 ′ carrying eight suction cups 15, the jack 16 allowing a displacement in vertical translation of the frame 16 ′, therefore of the suction cups 15.
  • Station 2 comprises a forming well 20, one wall 21 of which is movable in horizontal translation on two motorized endless screws 22, only one of which is visible in FIG. 1, and a set of suction cups 23 'fixed on a plate 23 secured a cylinder 24 with a vertical axis at the base of which the end of the rod of a cylinder 25 of the same vertical axis and of shorter length is secured.
  • the conveyor belts 26 'of a conveyor 26 are stretched longitudinally on either side of the jack 24.
  • the worm screws 22 also allow the displacement of pressers, not shown, and two pressing counterparts 27 ', two other pressing counterparts 27 being fixed.
  • the station 3 comprises a conveyor 30 placed in the extension of the conveyor 26 and a turning device 31 mounted to pivot about a horizontal axis 32.
  • the production of a tray takes place according to the following sequence: the lifting table 11 rises so as to position the upper cardboard sheet 13 at a certain level, the frame 16 ′ under the action of the jack 16 descends and the suction cups 15 support the sheet 13, which the carriage 14 brings above the forming cavity 20, while fixed glue guns 28 positioned at the entrance to the forming cavity 20, above the horizontal plane in which passes the sheet 13, deposit glue on its edges during this movement, after which, under the action of the jack 24, the plate 23 is mounted and the suction cups 23 'take over from below the sheet 13 and bring it down into the forming well 20, where the edges of the sheet 13 are folded and joined together by the pressers and the pressing counterparts 27 and 27 '.
  • the tray 13 ′ thus formed is then lowered to a lower level under the action of the jack 25 and deposited on the conveyor belts 26 ′ of the conveyor 26, which moves it in translation towards the conveyor 30, which discharges it after it whether or not it has been returned by the turning device 31.
  • suction cups 23 ′ fixed on the plate 23 can be replaced by another means for gripping the cardboard sheet 13, for example fingers which pinch it at the edge on its perimeter.

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  • Making Paper Articles (AREA)

Abstract

The dividers are fabricated to variable formats in a machine that transports (1) the sheets of cardboard to a cutting and folding area (2), then removes (3) them. The cutting and folding area has a shaping well (20) with a wall (21) mobile in translation, driven by two motorised screws (22) that also position the machine (27) that fastens the walls of the divider. This machine is controlled by a programmable controller set by the user to produce the required format from various stored formats.

Description

La présente invention a pour objet un dispositif permettant de réaliser des barquettes en carton utilisables notamment pour le conditionnement de produits en palettes, ledit dispositif étant particulièrement adapté à la réalisation de barquettes de formats différents.The present invention relates to a device for making cardboard trays which can be used in particular for packaging products on pallets, said device being particularly suitable for making trays of different formats.

Certains produits de consommation, notamment alimentaires, sont, après fabrication, conditionnés sur des palettes. Selon leurs dimensions ces produits sont répartis sur plusieurs niveaux sur la palette, et afin de faciliter la palettisation les produits d'un même niveau sont placés dans une barquette réalisée dans une feuille de carton dont les bords sont relevés et solidarisés les uns aux autres par collage, agrafage ou encliquetage, une barquette retournée pouvant faire office de couvercle.Some consumer products, especially food, are, after manufacture, packaged on pallets. According to their dimensions, these products are distributed on several levels on the pallet, and in order to facilitate palletizing the products of the same level are placed in a tray made of a sheet of cardboard, the edges of which are raised and secured to each other by gluing, stapling or snap-fastening, an inverted tray that can act as a cover.

Selon la nature des produits et leur destination, les barquettes sont de formats différents, deux tailles de barquettes étant le plus fréquemment utilisées, l'une aux dimensions d'une palette standard, et l'autre correspondant à la moitié, dans le sens de la longueur, de ladite palette standard.Depending on the nature of the products and their destination, the trays are of different formats, two sizes of trays being most frequently used, one with the dimensions of a standard pallet, and the other corresponding to half, lengthwise, of said standard pallet.

On connaît des dispositifs qui permettent la fabrication à cadence élevée de ces barquettes à partir d'un feuille de carton prédécoupée et prépliée, en mettant en oeuvre des moyens de pliage des bords de ladite feuille de carton, des moyens de solidarisation desdits bords entre eux, et des moyens de transfert.Are known devices which allow the production at high speed of these trays from a sheet of pre-cut and pre-folded cardboard, using means for folding the edges of said cardboard sheet, means for securing said edges to each other , and transfer means.

Toutefois ces dispositifs présentent un inconvénient majeur, à savoir que lors de la fabrication de barquettes le passage d'un format à un autre nécessite une intervention, mécanique ou manuelle, qui prend du temps et porte préjudice au rendement de fabrication.However, these devices have a major drawback, namely that during the production of trays, the passage from one format to another requires intervention, mechanical or manual, which takes time and is detrimental to the production yield.

La présente invention vise à remédier à cet inconvénient en proposant un dispositif permettant le passage d'un format à un autre sans réduire sensiblement la cadence de fabrication.The present invention aims to remedy this drawback by proposing a device allowing the passage from one format to another without significantly reducing the production rate.

Le dispositif objet de la présente invention comporte à cet effet un ensemble de moyens commandés par un système de gestion électrique et électronique qui, lorsque l'on veut changer de format, par exemple lorsque l'on veut passer d'une palette à une demi-palette, ou inversement, commande les modifications techniques à apporter auxdits moyens sans intervention extérieure.The device object of the present invention comprises for this purpose a set of means controlled by an electrical and electronic management system which, when one wants to change format, for example when one wants to go from a pallet to a half -palette, or vice versa, orders the technical modifications to be made to said means without outside intervention.

Le dispositif selon l'invention comprend, de manière connue en soi, un moyen d'approvisionnement de découpes en carton sur une table élévatrice ; des moyens de centrage ; des moyens de dépilage et de transfert desdites découpes montés sur un chariot mobile en translation horizontale et eux-mêmes mobiles en translation verticale un moyen de positionnement de chaque découpe au-dessus d'une cavité de formage de la barquette ; des moyens de solidarisation entre eux des quatre côtés de la barquette ; un moyen d'évacuation de la barquette finie, et un moyen pour opérer son retournement en vue de former un couvercle, commandé par un système électronique permettant une programmation sur demande.The device according to the invention comprises, in a manner known per se, a means of supplying cardboard blanks on a lifting table; centering means; means for unstacking and transferring said blanks mounted on a carriage movable in horizontal translation and themselves movable in vertical translation means for positioning each blank above a tray-forming cavity; means for joining them together on the four sides of the tray; a means of evacuating the finished tray, and a means for operating its reversal in order to form a cover, controlled by an electronic system allowing programming on request.

Les moyens de dépilage et de transfert des découpes de carton peuvent être tout moyen connu apte à effectuer cette opération, tel que des ventouses montées sur un chariot mobile en translation horizontale, auquel est solidarisé un vérin qui peut assurer le déplacement desdites ventouses en translation verticale.The means for unstacking and transferring the cardboard blanks can be any known means capable of carrying out this operation, such as suction cups mounted on a carriage movable in horizontal translation, to which a jack is secured which can move said suction cups in vertical translation .

Les moyens de solidarisation entre eux des côtés de la barquette peuvent consister en tout moyen connu approprié, tel que des moyens d'encollage et de pressage, ou des moyens d'agrafage.The means for securing together the sides of the tray may consist of any suitable known means, such as sizing and pressing means, or stapling means.

Le moyen d'évacuation de la barquette finie peut être un convoyeur à bandes porteuses ou tout autre moyen connu approprié.The means of evacuating the finished tray can be a conveyor belt or any other known suitable means.

Les moyens d'approvisionnement et de transfert comportant des moyens de centrage et des butées convenant à tous les formats de barquettes, le passage de la fabrication d'une barquette à celle d'une barquette de format différent, et inversement, ne nécessite d'adaptation qu'au niveau du formage de la barquette et de la solidarisation de ses côtés.The supply and transfer means comprising centering means and stops suitable for all formats of trays, the transition from the manufacture of a tray to that of a tray of different format, and vice versa, does not require adaptation only at the level of the tray formation and the joining of its sides.

A cet effet, conformément à l'invention, au moins une paroi de la cavité de formage de la barquette peut être déplacée automatiquement, en translation horizontale, ainsi qu'au moins un des moyens de solidarisation des côtés de la barquette.To this end, in accordance with the invention, at least one wall of the tray-forming cavity can be moved automatically, in horizontal translation, as well as at least one of the means for securing the sides of the tray.

Le déplacement d'au moins une des parois de la cavité de formage, ainsi que d'au moins un des moyens de solidarisation entre eux des côtés de la barquette, peut être assuré par tout moyen connu approprié, par exemple à l'aide de vis sans fin motorisées.The displacement of at least one of the walls of the forming cavity, as well as at least one of the means for securing together the sides of the tray, can be ensured by any suitable known means, for example using motorized worms.

Les avantages et les caractéristiques de la présente invention ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente un mode de réalisation non limitatif.The advantages and characteristics of the present invention will emerge more clearly from the description which follows and which refers to the appended drawing, which represents a non-limiting embodiment thereof.

Dans le dessin annexé :

  • la figure 1 représente une vue en coupe longitudinale d'un dispositif de fabrication d'une barquette selon l'invention
  • la figure 2 représente une vue en plan du même dispositif.
In the attached drawing:
  • FIG. 1 represents a view in longitudinal section of a device for manufacturing a tray according to the invention
  • Figure 2 shows a plan view of the same device.

Dans un but de simplification la description qui suit ne fera état que de deux formats différents, à savoir une barquette et une demi-barquette, étant bien entendu que d'autres formats sont réalisables à l'aide du dispositif selon l'invention.For the purpose of simplification, the description which follows will mention only two different formats, namely a tray and a half-tray, it being understood that other formats can be produced using the device according to the invention.

Si on se réfère aux figures 1 et 2 on peut voir que le dispositif selon l'invention comprend plusieurs postes de travail, un poste 1 de transfert de feuilles de carton, un poste 2 de formage des barquettes et un poste 3 d'évacuation des barquettes finies et éventuellement de retournement de celles-ci afin d'en faire des couvercles.If we refer to Figures 1 and 2 we can see that the device according to the invention comprises several work stations, a station 1 for transferring sheets of cardboard, a station 2 for forming trays and a station 3 for discharging finished trays and possibly turning them over to make lids.

Le poste 1 comprend une table élévatrice 11 portant un plateau 12 sur lequel sont empilées des feuilles en carton 13, représentées en traits pointillés pour les grands formats et en traits pleins pour les petits. Il comporte en outre un système de dépilage et de transfert des feuilles en carton 13, constitué d'un chariot 14 mobile en translation dans un plan horizontal, guidé par un rail 17 et mis en mouvement à l'aide de courroies 18, auquel est solidarisé par l'intermédiaire d'un vérin 16 un bâti 16' porteur de huit ventouses 15, le vérin 16 permettant un déplacement en translation verticale du bâti 16', donc des ventouses 15.Station 1 includes a lifting table 11 carrying a tray 12 on which are stacked cardboard sheets 13, shown in dotted lines for large formats and in solid lines for small ones. It further comprises a system for unstacking and transferring the cardboard sheets 13, consisting of a carriage 14 movable in translation in a horizontal plane, guided by a rail 17 and set in motion using belts 18, to which is secured by means of a jack 16 a frame 16 ′ carrying eight suction cups 15, the jack 16 allowing a displacement in vertical translation of the frame 16 ′, therefore of the suction cups 15.

Le poste 2 comporte un puits de formage 20, dont une paroi 21 est mobile en translation horizontale sur deux vis sans fin motorisées 22, dont une seule est visible sur la figure 1, et un ensemble de ventouses 23' fixé sur un plateau 23 solidaire d'un vérin 24 d'axe vertical à la base duquel est solidarisée l'extrémité de la tige d'un vérin 25 de même axe vertical et de plus petite longueur. De part et d'autre du vérin 24 sont tendues longitudinalement les bandes transporteuses 26' d'un convoyeur 26. Les vis sans fin 22 permettent également le déplacement de presseurs, non représentés, et de deux contreparties de pressage 27', deux autres contreparties de pressage 27 étant fixes.Station 2 comprises a forming well 20, one wall 21 of which is movable in horizontal translation on two motorized endless screws 22, only one of which is visible in FIG. 1, and a set of suction cups 23 'fixed on a plate 23 secured a cylinder 24 with a vertical axis at the base of which the end of the rod of a cylinder 25 of the same vertical axis and of shorter length is secured. The conveyor belts 26 'of a conveyor 26 are stretched longitudinally on either side of the jack 24. The worm screws 22 also allow the displacement of pressers, not shown, and two pressing counterparts 27 ', two other pressing counterparts 27 being fixed.

Le poste 3 comporte un convoyeur 30 placé dans le prolongement du convoyeur 26 et un dispositif de retournement 31 monté pivotant autour d'un axe horizontal 32.The station 3 comprises a conveyor 30 placed in the extension of the conveyor 26 and a turning device 31 mounted to pivot about a horizontal axis 32.

La fabrication d'une barquette se déroule selon la séquence suivante : la table élévatrice 11 s'élève de manière à positionner la feuille de carton supérieure 13 à un certain niveau, le bâti 16' sous l'action du vérin 16 descend et les ventouses 15 prennent en charge la feuille 13, que le chariot 14 amène au-dessus de la cavité de formage 20, tandis que des pistolets à colle 28 fixes positionnés à l'entrée de la cavité de formage 20, au-dessus du plan horizontal dans lequel passe la feuille 13, déposent de la colle sur ses rebords au cours de ce déplacement, après quoi, sous l'action du vérin 24, le plateau 23 est monté et les ventouses 23' prennent en charge par en-dessous la feuille 13 et la font descendre dans le puits de formage 20, où les bords de la feuille 13 sont pliés et solidarisés entre eux par les presseurs et les contreparties de pressage 27 et 27'.The production of a tray takes place according to the following sequence: the lifting table 11 rises so as to position the upper cardboard sheet 13 at a certain level, the frame 16 ′ under the action of the jack 16 descends and the suction cups 15 support the sheet 13, which the carriage 14 brings above the forming cavity 20, while fixed glue guns 28 positioned at the entrance to the forming cavity 20, above the horizontal plane in which passes the sheet 13, deposit glue on its edges during this movement, after which, under the action of the jack 24, the plate 23 is mounted and the suction cups 23 'take over from below the sheet 13 and bring it down into the forming well 20, where the edges of the sheet 13 are folded and joined together by the pressers and the pressing counterparts 27 and 27 '.

La barquette 13' ainsi formée est ensuite descendue à un niveau inférieur sous l'action du vérin 25 et déposée sur les bandes transporteuses 26' du convoyeur 26, qui la déplace en translation vers le convoyeur 30, lequel l'évacue après qu'elle ait été, ou non, retournée par le dispositif de retournement 31.The tray 13 ′ thus formed is then lowered to a lower level under the action of the jack 25 and deposited on the conveyor belts 26 ′ of the conveyor 26, which moves it in translation towards the conveyor 30, which discharges it after it whether or not it has been returned by the turning device 31.

Le passage d'un format de barquette à l'autre s'effectue rapidement et automatiquement, l'adaptation nécessaire se faisant d'une part au niveau de la table élévatrice 11, la pile de feuilles 13 étant amenée en butée, d'autre part au niveau de l'encollage, l'application de colle étant adaptée au format, et d'autre part au niveau du formage de la barquette, la paroi 21 et les contreparties de pressage 27' étant amenées dans la positon adéquate par les vis sans fin 22.The change from one tray format to another takes place quickly and automatically, the necessary adaptation being made on the one hand at the elevating table 11, the stack of sheets 13 being brought into abutment, on the other on the one hand at the level of gluing, the application of glue being adapted to the format, and on the other hand at the level of the forming of the tray, the wall 21 and the pressing counterparts 27 'being brought into the appropriate position by the screws endless 22.

Il va de soi que la présente invention ne saurait être limitée à la description qui précède d'un de ses modes de réalisation, susceptible de subir un certain nombre de modifications sans pour autant sortir du cadre de l'invention. Notamment les ventouses 23' fixées sur le plateau 23 peuvent être remplacées par un autre moyen de préhension de la feuille de carton 13, par exemple des doigts qui la pincent en bordure sur son périmètre.It goes without saying that the present invention cannot be limited to the preceding description of one of its embodiments, capable of undergoing a certain number of modifications without departing from the scope of the invention. In particular the suction cups 23 ′ fixed on the plate 23 can be replaced by another means for gripping the cardboard sheet 13, for example fingers which pinch it at the edge on its perimeter.

Claims (5)

1) Dispositif de fabrication de barquettes en carton de formats variables utilisables notamment pour le conditionnement de produits en palettes, particulièrement de produits alimentaires, comportant des moyens (1) de transfert de feuilles de carton (13), des moyens (2) de formage des barquettes et des moyens (3) d'évacuation et de retournement desdites barquettes, caractérisé en ce que les moyens (2) de formage des barquettes comprennent une cavité de formage (20) dont au moins une paroi (21) est mobile en translation horizontale, de même qu'au moins un des moyens (27, 27') de solidarisation des côtés des barquettes, le déplacement de ladite paroi (21) et desdits moyens de solidarisation (27, 27') étant commandé par un système de gestion électrique et électronique en fonction des formats requis pour les barquettes (13'). 1) Device for manufacturing cardboard trays of variable formats which can be used in particular for packaging products on pallets, particularly food products, comprising means (1) for transferring cardboard sheets (13), means (2) for forming trays and means (3) for evacuating and inverting said trays, characterized in that the means (2) for forming the trays comprise a forming cavity (20) of which at least one wall (21) is movable in translation horizontal, as well as at least one of the means (27, 27 ') for securing the sides of the trays, the movement of said wall (21) and said securing means (27, 27') being controlled by a management system electric and electronic depending on the formats required for the trays (13 '). 2) Dispositif selon la revendication 1, caractérisé en ce que les moyens mis en oeuvre pour assurer le déplacement en translation horizontale d'au moins une paroi (21) consistent en au moins deux vis sans fin motorisées, qui assurent également le déplacement des moyens de solidarisation (27, 27') des côtés des barquettes (13'). 2) Device according to claim 1, characterized in that the means used to ensure the displacement in horizontal translation of at least one wall (21) consist of at least two motorized endless screws, which also ensure the displacement of the means of securing (27, 27 ') of the sides of the trays (13'). 3) Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que les moyens de solidarisation (27, 27') des côtés des barquettes (13') sont des contreparties de pressage fixes (27) et des contreparties de pressage mobile (27'), associées à des pistolets à colle (28) fixes positionnés à l'entrée de la cavité de formage (20). 3) Device according to claim 1 or claim 2, characterized in that the securing means (27, 27 ') of the sides of the trays (13') are fixed pressing counterparts (27) and mobile pressing counterparts ( 27 '), associated with fixed glue guns (28) positioned at the entrance to the forming cavity (20). 4) Dispositif selon la revendication 1, caractérisé en ce que la cavité de formage (20) abrite un plateau (23) solidaire d'un vérin (24) d'axe vertical à la base duquel est solidarisée l'extrémité de la tige d'un vérin (25) de même axe vertical et de plus petite longueur, des bandes porteuses (26') d'un convoyeur (26) étant tendues longitudinalement de part et d'autre dudit vérin (24) de manière à recevoir en vue de son évacuation la barquette (13') formée à partir d'une feuille (13) prise en charge par en-dessous par le plateau (23). 4) Device according to claim 1, characterized in that the forming cavity (20) houses a plate (23) secured to a jack (24) of vertical axis at the base of which is secured the end of the rod d '' a cylinder (25) of the same vertical axis and of shorter length, carrying bands (26 ') of a conveyor (26) being stretched longitudinally on either side of said jack (24) so as to receive for its evacuation the tray (13 ') formed from a sheet (13) supported from below by the plate (23). 5) Dispositif selon la revendication 4, caractérisé en ce que le plateau (23) est muni à sa face supérieure de ventouses (23') pour la préhension de la feuille de carton (13). 5) Device according to claim 4, characterized in that the plate (23) is provided on its upper face with suction cups (23 ') for gripping the cardboard sheet (13).
EP93440081A 1992-09-29 1993-09-29 Variable-size tray forming machine Withdrawn EP0613768A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9211856A FR2696127B1 (en) 1992-09-29 1992-09-29 Device for manufacturing cardboard trays of variable formats which can be used in particular for packaging products on pallets, particularly food products.
FR9211856 1992-09-29

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EP0613768A1 true EP0613768A1 (en) 1994-09-07

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EP (1) EP0613768A1 (en)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7684889B2 (en) 2002-03-06 2010-03-23 Focke & Co. (Gmbh & Co.) Cigarette production and packaging unit and method and device for control thereof

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Publication number Priority date Publication date Assignee Title
GB2135480A (en) * 1983-02-21 1984-08-30 Bobst Sa A machine for manufacturing boxes
EP0164585A1 (en) * 1984-05-10 1985-12-18 Greif-Werk Maschinenfabrik GmbH Machine producing folded boxes from blanks
FR2588504A1 (en) * 1985-10-11 1987-04-17 Nicollet Hugues Sa FEEDING DEVICE FOR A MACHINE CLEAN FOR MOUNTING A PACKAGE FROM AN INITIALLY FLAT BLANK
FR2609935A1 (en) * 1987-01-28 1988-07-29 Rigolot Philippe AUTOMATIC BENDING MACHINE FOR CARDBOARD BOXES
EP0281484A1 (en) * 1987-03-06 1988-09-07 Vega Automation Method for adjusting the dimension of a plunger and die set for stamping blanks; plunger and die set
US4936815A (en) * 1988-04-18 1990-06-26 Liberty Diversified Industries Tray forming machine
WO1990010535A1 (en) * 1989-03-10 1990-09-20 Kliklok Corporation Carton forming apparatus with servo control

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135480A (en) * 1983-02-21 1984-08-30 Bobst Sa A machine for manufacturing boxes
EP0164585A1 (en) * 1984-05-10 1985-12-18 Greif-Werk Maschinenfabrik GmbH Machine producing folded boxes from blanks
FR2588504A1 (en) * 1985-10-11 1987-04-17 Nicollet Hugues Sa FEEDING DEVICE FOR A MACHINE CLEAN FOR MOUNTING A PACKAGE FROM AN INITIALLY FLAT BLANK
FR2609935A1 (en) * 1987-01-28 1988-07-29 Rigolot Philippe AUTOMATIC BENDING MACHINE FOR CARDBOARD BOXES
EP0281484A1 (en) * 1987-03-06 1988-09-07 Vega Automation Method for adjusting the dimension of a plunger and die set for stamping blanks; plunger and die set
US4936815A (en) * 1988-04-18 1990-06-26 Liberty Diversified Industries Tray forming machine
WO1990010535A1 (en) * 1989-03-10 1990-09-20 Kliklok Corporation Carton forming apparatus with servo control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7684889B2 (en) 2002-03-06 2010-03-23 Focke & Co. (Gmbh & Co.) Cigarette production and packaging unit and method and device for control thereof

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FR2696127A1 (en) 1994-04-01
FR2696127B1 (en) 1994-12-30

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