EP1065055A1 - Device for decorating voluminous objects - Google Patents

Device for decorating voluminous objects Download PDF

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Publication number
EP1065055A1
EP1065055A1 EP00440201A EP00440201A EP1065055A1 EP 1065055 A1 EP1065055 A1 EP 1065055A1 EP 00440201 A EP00440201 A EP 00440201A EP 00440201 A EP00440201 A EP 00440201A EP 1065055 A1 EP1065055 A1 EP 1065055A1
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EP
European Patent Office
Prior art keywords
print head
decorated
move
vertical slide
moves
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Withdrawn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
EP00440201A
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German (de)
French (fr)
Inventor
Jean-Luc Bernard
Bernard Demesy
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.)
Sarl A I M A Responsabilite Ltee Ste
Original Assignee
Sarl A I M A Responsabilite Ltee Ste
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Filing date
Publication date
Application filed by Sarl A I M A Responsabilite Ltee Ste filed Critical Sarl A I M A Responsabilite Ltee Ste
Publication of EP1065055A1 publication Critical patent/EP1065055A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects

Definitions

  • the subject of the present invention is a device making it possible to decorate large objects.
  • the object of the present invention is more particularly to propose a device for reproducing a drawing or similar on objects with more or less large surfaces, whether these are flat or not.
  • These objects can be very diverse, namely, without limitation, walls or vehicles such as trucks, planes, coaches or trains.
  • this device like all the other devices existing ones can only spray ink or paint in a single axis, so they are of very limited use, they do not allow, for example, to decorate, continuously, two adjacent and perpendicular sides of a truck.
  • the object of the present invention is to remedy the various disadvantages mentioned above by proposing a device making it possible to decorate large objects, many faster than what the existing devices allow, by not requiring for example the removal of the tarpaulin from a truck.
  • the device for making decorations on bulky objects comprises a head mobile printing, equipped with a multiplicity of elements able to move independently of each other others, near or far from the surface to decorate in order to marry the reliefs from a distance, and it essentially characterized in that said print head is mounted on a support means capable of moving it in the three dimensions and to change the orientation of its axis of projection in order to decorate, continuously, at least two adjacent surfaces arranged in different planes.
  • the support means comprises a mobile mounted chassis on fixed guide means, and on which moves the printhead.
  • the printing elements are divided into four columns or four rows, one for each color cyan, magenta, yellow and black.
  • the printing elements are movable in sliding under the action of motor means controlled by a computer connected to shape sensors, so as to bring their extremity capable of carrying out color projection at most near the surface to be decorated.
  • the printing is carried out by projection ink or acrylic paint.
  • the device comprises a vertical slide on which moves the print head, and that moves on a means of fixed guide placed on the ground, and capable of being arranged, at the less in part, around the object to be decorated.
  • the chassis comprises a guide means placed on the object to be decorated, and which supports a vertical slide on which the print head moves, said slide vertical possibly being able to also move on the ground by means of rolling means.
  • the chassis comprises a guide means placed on the ground, or in height, along the object to be decorated and on which moves a vertical slide on which can be move a horizontal arm on which the head can move said arm being able to pivot around said vertical slide.
  • the chassis comprises a guide means placed on the ground on which a carriage carrying a slide moves vertical on which the print head can move is oscillating.
  • the chassis consists of a gantry spanning the object to be decorated, each of which has vertical uprights a movable print head moving vertically, while that its transverse part is provided with a print head mobile in horizontal movement and pivoting around a horizontal axis.
  • Figure 1 shows a schematic perspective view of a part of the device according to the invention.
  • Figures 2a, 2b, 2c, 2d, 2e and 2f show views schematics of different embodiments of the same device.
  • This print head 1 is intended to be carried by a chassis, not shown, which can take different forms and which will be described in support of Figures 2. It comprises a frame 10 in which is arranged a multiplicity of elements 3 rows in four columns 30, 31, 32 and 33. The elements of the same column allow the projection of the same color, whether ink or acrylic paint. Thus the elements 3 of the columns respectively 30, 31, 32 and 33 are used to project the colors respectively black, yellow, magenta and cyan.
  • the printing elements 3 are continuously supplied with color through conduits 11 connected to the frame 10.
  • the printing elements 3 are mounted individually movable by sliding in the frame 10, by via motorized screw-nut systems, not shown, controlled by a computer, also not shown, connected to a shape detector 34 of known type.
  • the shape sensor 34 determines the relief of the surface 2 and controls the movement of the printing elements 3 so that the ends 35 of these which include the nozzles of projection are always at the same distance from surface 2, which allows great precision of reproduction.
  • the print head 1 is mounted on a chassis allowing its displacement indexed in three dimensions, that is, it allows to move the print head along the surface 2 to decorate, and possibly to move it away or bring it closer of it if the amplitude of movement of the elements 3 is not sufficient.
  • the print head 1 Since the print head 1 is limited in print width, it is necessary depending on the surface to be decorated, to realize successive passages interrupted by a displacement of the print head 1, which passages can be made either vertically or horizontally.
  • the print head is intended for print horizontally in the direction of arrow F.
  • the chassis brings back the head at the start and positions it at a different height before printing a new horizontal strip.
  • the chassis structure is different depending on the characteristics of the surface 2 to be decorated.
  • Figures 2a, 2b, 2c, 2d, 2e and 2f represent embodiments different chassis each adapted to a type of surface 2 to decorate.
  • the surface to be decorated 2 consists of one side of a vehicle V, which side may be a rigid wall or a tarpaulin.
  • the device according to the invention comprises a chassis 4 comprising an upper profile 40 secured to vehicle V at the top of the surface to be decorated 2, a lower section 41 secured to the ground or to the vehicle, a vertical slide 42 movable mounted on profiles 40 and 41 and along which the print head 1 can move.
  • the surface to be decorated 2 is the face of an object cylindrical C, which can be a tank for example.
  • This mode of embodiment of the device according to the invention comprises a chassis 5 which includes a bracket 50, the foot 51 of which is placed on the cylindrical object C in the middle of it, and which is motorized in pivoting around the foot 51 to train in rotation around the cylindrical object C a vertical slide 52 resting on rolling means 53 and along which can move the print head 1.
  • the vertical slide 52 moves around the cylindrical object C on a rail 54 placed on the ground.
  • the surface to be decorated 2 consists of three sides of a vehicle V.
  • This embodiment of the device according to the invention comprises a chassis 6 which comprises three rails 60, 61 and 62 placed on the ground, each at the base of one of the sides decorate vehicle V, and on which a carriage 63 moves carrying a vertical slide 64 on which can move the print head 1.
  • the rails 60, 61 and 62 are provided with a switching platform, not shown, allowing passage from one rail to another.
  • the surface to be decorated also consists of three sides of a vehicle V.
  • This embodiment of the device according to the invention comprises a chassis 7 which comprises two rails 70 and 71 placed on the ground each along one side longitudinal of vehicle V, on each of which a carriage rolls 72 carrying a vertical slide 73, on which can be move and pivot a horizontal arm 74, on which can be move the print head 1.
  • the horizontal arm 74 pivots 90 ° on the vertical slide 73 so that the print head 1 either facing the rear side of the vehicle V which it can print on one half, the other half being treated in the same way on the other side.
  • the surface to be decorated consists of five sides of a vehicle V, i.e. the four lateral sides and the roof.
  • This embodiment of the device according to the invention comprises a frame 8 which comprises two rails 80 and 81 placed at ground each along one longitudinal side of vehicle V, on which rolls a gantry 82 which passes over the vehicle V, and which is equipped with three print heads 1, two of which only visible, namely on the one hand two heads lateral 1 'movable in vertical translation for printing on the two longitudinal sides of the vehicle V, and on the other hand a 1 "upper head movable in horizontal translation and vertical, and able to rotate 90 ° around a horizontal axis for printing the extreme sides.
  • the surface to be decorated 2 consists of the surface of a spherical object S.
  • This embodiment of the device according to the invention comprises a frame 9 which includes 2 rails 90 and 91 dismountable placed on the ground next to the spherical object S, on which a carriage 92 which bears a slide 93 on which a mounted print head 1 can move oscillating.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ink Jet (AREA)
  • Dot-Matrix Printers And Others (AREA)

Abstract

The apparatus consists of a mobile printing head (1) equipped with multiple printing elements (3) able to move independently of one another towards or away from the surface (2) being decorated. The printing head is mounted on a support in the form of a chassis travelling on fixed guides so it can move in three dimensions and modify the angle of its axis of projection to provide continuous decoration of adjacent surfaces in different planes. The printing elements are set in four columns (30, 31, 32, 33) or rows, one for each of four colours - blue, red, yellow and black.

Description

La présente invention a pour objet un dispositif permettant de réaliser des décorations sur des objets volumineux.The subject of the present invention is a device making it possible to decorate large objects.

La présente invention a plus particulièrement pour objet de proposer un dispositif permettant de reproduire un dessin ou analogue sur des objets présentant de plus ou moins grandes surfaces, que celles-ci soient planes ou non. Ces objets peuvent être très divers, à savoir, non limitativement, des murs ou des véhicules tels que des camions, des avions, des autocars ou des trains.The object of the present invention is more particularly to propose a device for reproducing a drawing or similar on objects with more or less large surfaces, whether these are flat or not. These objects can be very diverse, namely, without limitation, walls or vehicles such as trucks, planes, coaches or trains.

Il est actuellement fréquent de couvrir les objets précités de dessins, d'inscriptions ou analogues, pour délivrer un message ou simplement pour les décorer.It is currently common to cover the aforementioned objects with drawings, inscriptions or the like, to deliver a message or simply to decorate them.

On connaít différentes techniques permettant de réaliser de tels dessins. La plus fréquente, et la plus artisanale, consiste à utiliser les services d'un artiste peintre, cette technique est toutefois également la plus coûteuse et la plus longue.We know different techniques to achieve such drawings. The most frequent, and the most artisanal, consists of use the services of a painter, this technique is however also the most expensive and the longest.

On connaít également la technique qui consiste à déposer sur la surface à décorer un film de matière synthétique qui aura été préalablement imprimé. Cette technique présente également un inconvénient en ce que le film doit préalablement être mis aux dimensions de l'objet à décorer. En outre, cette technique nécessite un temps de réalisation relativement long.We also know the technique of depositing on the surface to be decorated with a plastic film that has been previously printed. This technique also has a disadvantage in that the film must first be put dimensions of the object to be decorated. In addition, this technique requires a relatively long production time.

En ce qui concerne les camions bâchés, on connaít la technique qui consiste à imprimer la bâche en la faisant passer dans une imprimante à rouleaux, ou en déplaçant des moyens d'impression sur la bâche alors que celle-ci est maintenue tendue à plat. Cette technique présente comme principal inconvénient de nécessiter la dépose, puis la pose de la bâche, ce qui est très long et immobilise le camion.Regarding the tarpaulin trucks, we know the technique which consists of printing the sheet by passing it through a roller printer, or moving printing means on the sheet while it is kept stretched flat. This technique has the main disadvantage of require removal, then installation of the tarp, which is very long and immobilizes the truck.

En outre, quelle que soit la technique utilisée, les dispositifs existants permettent difficilement de reproduire un dessin en tenant compte des éventuelles variations du relief de la surface à décorer, en sorte que le résultat présente parfois des imperfections.In addition, whatever the technique used, the devices it is difficult to reproduce a drawing in taking into account any variations in the relief of the surface to decorate, so that the result sometimes presents imperfections.

On connaít déjà par le document EP 0.970.811 un dispositif automatique de peinture, comprenant une unité de projection montée mobile en déplacement vertical et horizontal, et qui comporte une pluralité de têtes de projection de peinture ou d'encre aptes à être déplacées indépendamment les unes des autres selon un axe perpendiculaire à la surface à peindre, de façon que la peinture puisse être effectuée en laissant un intervalle constant entre les différentes têtes de projection et la surface à peindre. Ce dispositif permet de mettre reproduire une image sur une surface même si celle-ci est de forme courbe. Ce dispositif est toutefois d'un usage limité en ce qui concerne les dimensions de l'objet à peindre, notamment lorsque celui-ci présente de grandes variations de relief comme cela peut être le cas d'un camion par exemple, en raison de l'amplitude limitée du déplacement des têtes selon l'axe perpendiculaire à la surface à peindre.We already know from EP 0.970.811 a device automatic painting, including a projection unit mobile climb in vertical and horizontal movement, and which has a plurality of paint spray heads or ink capable of being moved independently of each other others along an axis perpendicular to the surface to be painted, so that the painting can be done leaving a constant interval between the different projection heads and the surface to be painted. This device allows to reproduce an image on a surface even if it is curved. This device is however of limited use with regard to the dimensions of the object to be painted, especially when it presents large variations in relief as it can be case of a truck for example, due to the limited amplitude of the displacement of the heads along the axis perpendicular to the surface to to paint.

Par ailleurs, ce dispositif comme tous les autres dispositifs existants ne peuvent projeter de l'encre ou de la peinture que dans un seul axe, en sorte qu'ils sont d'un usage très limité, ils ne permettent pas, par exemple, de décorer, en continu, deux côtés adjacents et perpendiculaires d'un camion.Besides, this device like all the other devices existing ones can only spray ink or paint in a single axis, so they are of very limited use, they do not allow, for example, to decorate, continuously, two adjacent and perpendicular sides of a truck.

Pour pallier cet inconvénient il existe bien des dispositifs munis de plusieurs moyens d'impression d'axes différents, toutefois ces dispositifs, tels que des cabines de peinture, sont réservés, pour des raisons évidentes de problèmes de raccord, au dépôt d'une couche uniforme et unicolore de peinture.To overcome this drawback there are many devices provided with several printing means with different axes, however these devices, such as paint booths, are reserved, for obvious reasons of connection, with the deposit of a uniform and one-color layer of painting.

La présente invention a pour but de remédier aux divers inconvénients précités en proposant un dispositif permettant de réaliser des décorations sur des objets volumineux, beaucoup plus rapidement que ce que permettent les dispositifs existants, en ne nécessitant pas par exemple la dépose de la bâche d'un camion.The object of the present invention is to remedy the various disadvantages mentioned above by proposing a device making it possible to decorate large objects, many faster than what the existing devices allow, by not requiring for example the removal of the tarpaulin from a truck.

Le dispositif permettant de réaliser des décorations sur des objets volumineux selon l'invention comporte une tête d'impression mobile, équipée d'une multiplicité d'éléments d'impression aptes à se déplacer, indépendamment les uns des autres, en rapprochement ou en éloignement de la surface à décorer afin d'en épouser à distance les reliefs, et il se caractérise essentiellement en ce que ladite tête d'impression est montée sur un moyen support apte à la déplacer dans les trois dimensions et à modifier l'orientation de son axe de projection afin de permettre de décorer, en continu, au moins deux surfaces adjacentes disposées dans des plans différents.The device for making decorations on bulky objects according to the invention comprises a head mobile printing, equipped with a multiplicity of elements able to move independently of each other others, near or far from the surface to decorate in order to marry the reliefs from a distance, and it essentially characterized in that said print head is mounted on a support means capable of moving it in the three dimensions and to change the orientation of its axis of projection in order to decorate, continuously, at least two adjacent surfaces arranged in different planes.

Selon une caractéristique additionnelle du dispositif selon l'invention, le moyen support comporte un châssis monté mobile sur des moyens de guidage fixes, et sur lequel de déplace la tête d'impression.According to an additional characteristic of the device according to the invention, the support means comprises a mobile mounted chassis on fixed guide means, and on which moves the printhead.

Selon une autre caractéristique additionnelle du dispositif selon l'invention, les éléments d'impression sont répartis en quatre colonnes ou quatre lignes, une pour chacune des couleurs cyan, magenta, jaune et noire.According to another additional characteristic of the device according to the invention, the printing elements are divided into four columns or four rows, one for each color cyan, magenta, yellow and black.

Selon une autre caractéristique additionnelle du dispositif selon l'invention, les éléments d'impressions sont mobiles en coulissement sous l'action de moyens moteurs commandés par un calculateur reliés à des capteurs de forme, de manière à amener leur extrémité apte à réaliser la projection de couleur au plus près de la surface à décorer.According to another additional characteristic of the device according to the invention, the printing elements are movable in sliding under the action of motor means controlled by a computer connected to shape sensors, so as to bring their extremity capable of carrying out color projection at most near the surface to be decorated.

Selon une autre caractéristique additionnelle du dispositif selon l'invention, l'impression est réalisée par projection d'encre ou de peinture acrylique.According to another additional characteristic of the device according to the invention, the printing is carried out by projection ink or acrylic paint.

Selon un mode de réalisation particulier du dispositif selon l'invention, il comporte une glissière verticale sur laquelle se déplace la tête d'impression, et qui se déplace sur un moyen de guidage fixe posé au sol, et susceptible de d'être disposé, au moins en partie, autour de l'objet à décorer.According to a particular embodiment of the device according to the invention, it comprises a vertical slide on which moves the print head, and that moves on a means of fixed guide placed on the ground, and capable of being arranged, at the less in part, around the object to be decorated.

Selon un autre mode de réalisation particulier du dispositif selon l'invention, le châssis comporte un moyen de guidage posé sur l'objet à décorer, et qui supporte une glissière verticale sur laquelle se déplace la tête d'impression, ladite glissière verticale étant éventuellement apte à se déplacer également sur le sol par l'intermédiaire de moyens de roulement.According to another particular embodiment of the device according to the invention, the chassis comprises a guide means placed on the object to be decorated, and which supports a vertical slide on which the print head moves, said slide vertical possibly being able to also move on the ground by means of rolling means.

Selon un autre mode de réalisation particulier du dispositif selon l'invention, le châssis comporte un moyen de guidage posé au sol, ou en hauteur, le long de l'objet à décorer et sur lequel se déplace une glissière verticale sur laquelle peut se déplacer un bras horizontal sur lequel peut se déplacer la tête d'impression, ledit bras étant apte à pivoter autour de ladite glissière verticale.According to another particular embodiment of the device according to the invention, the chassis comprises a guide means placed on the ground, or in height, along the object to be decorated and on which moves a vertical slide on which can be move a horizontal arm on which the head can move said arm being able to pivot around said vertical slide.

Selon un autre mode de réalisation particulier du dispositif selon l'invention, le châssis comporte un moyen de guidage posé au sol sur lequel se déplace un chariot portant une glissière verticale sur laquelle peut se déplacer la tête d'impression qui est montée oscillante.According to another particular embodiment of the device according to the invention, the chassis comprises a guide means placed on the ground on which a carriage carrying a slide moves vertical on which the print head can move is oscillating.

Selon un autre mode de réalisation particulier du dispositif selon l'invention, le châssis consiste en un portique enjambant l'objet à décorer, dont les montants verticaux sont chacun munis d'une tête d'impression mobile en déplacement vertical, tandis que sa partie transversale est munie d'une tête d'impression mobile en déplacement horizontale et en pivotement autour d'un axe horizontal.According to another particular embodiment of the device according to the invention, the chassis consists of a gantry spanning the object to be decorated, each of which has vertical uprights a movable print head moving vertically, while that its transverse part is provided with a print head mobile in horizontal movement and pivoting around a horizontal axis.

Les avantages et les caractéristiques du dispositif selon l'invention, ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente plusieurs modes de réalisation non limitatifs.The advantages and characteristics of the device according to the invention will emerge more clearly from the description which follows and which relates to the attached drawing, which represents several nonlimiting embodiments.

Dans le dessin annexé :In the attached drawing:

La figure 1 représente une vue schématique en perspective d'une partie du dispositif selon l'invention.Figure 1 shows a schematic perspective view of a part of the device according to the invention.

Les figures 2a, 2b, 2c, 2d, 2e et 2f représentent des vues schématiques de différents modes de réalisation du même dispositif.Figures 2a, 2b, 2c, 2d, 2e and 2f show views schematics of different embodiments of the same device.

En référence à la figure 1, on peut voir la tête d'impression 1 d'un dispositif selon l'invention et une surface 2 non plane à décorer.Referring to Figure 1, we can see the print head 1 of a device according to the invention and a non-planar surface 2 to decorate.

Cette tête d'impression 1 est destinée à être portée par un châssis, non représenté, qui peut prendre différentes formes et qui sera décrit à l'appui des figures 2. Elle comporte un bâti 10 dans lequel est disposée une multiplicité d'éléments d'impression 3 rangés en quatre colonnes 30, 31, 32 et 33. Les éléments d'impression d'une même colonne permettent la projection d'une même couleur, que ce soit de l'encre ou une peinture acrylique. Ainsi les éléments 3 des colonnes respectivement 30, 31, 32 et 33 permettent de projeter les couleurs respectivement noires, jaune, magenta et cyan. This print head 1 is intended to be carried by a chassis, not shown, which can take different forms and which will be described in support of Figures 2. It comprises a frame 10 in which is arranged a multiplicity of elements 3 rows in four columns 30, 31, 32 and 33. The elements of the same column allow the projection of the same color, whether ink or acrylic paint. Thus the elements 3 of the columns respectively 30, 31, 32 and 33 are used to project the colors respectively black, yellow, magenta and cyan.

En cours de fonctionnement, les éléments d'impression 3 sont alimentés en permanence en couleur par l'intermédiaire de conduits 11 connectés au bâti 10.During operation, the printing elements 3 are continuously supplied with color through conduits 11 connected to the frame 10.

Par ailleurs, les éléments d'impression 3 sont montés individuellement mobiles en coulissement dans le bâti 10, par l'intermédiaire de systèmes vis-écrou motorisés, non représentés, commandés par un calculateur, également non représenté, connecté à un détecteur de forme 34 de type connu.Furthermore, the printing elements 3 are mounted individually movable by sliding in the frame 10, by via motorized screw-nut systems, not shown, controlled by a computer, also not shown, connected to a shape detector 34 of known type.

Le capteur de forme 34 détermine le relief de la surface 2 et commande le déplacement des éléments d'impression 3 de manière que les extrémités 35 de ceux-ci qui comportent les buses de projection soient toujours à la même distance de la surface 2, ce qui permet une grande précision de reproduction.The shape sensor 34 determines the relief of the surface 2 and controls the movement of the printing elements 3 so that the ends 35 of these which include the nozzles of projection are always at the same distance from surface 2, which allows great precision of reproduction.

La tête d'impression 1 est montée sur un châssis permettant son déplacement indexé dans les trois dimensions, c'est-à-dire qu'il permet de déplacer la tête d'impression le long de la surface 2 à décorer, et éventuellement de l'éloigner ou de la rapprocher de celle-ci si l'amplitude de déplacement des éléments d'impression 3 n'est pas suffisante.The print head 1 is mounted on a chassis allowing its displacement indexed in three dimensions, that is, it allows to move the print head along the surface 2 to decorate, and possibly to move it away or bring it closer of it if the amplitude of movement of the elements 3 is not sufficient.

La tête d'impression 1 étant limitée en largeur d'impression, il est nécessaire en fonction de la surface à décorer, de réaliser des passages successifs interrompus par un déplacement de la tête d'impression 1, lesquels passages peuvent être réalisés soit dans le sens vertical soit dans le sens horizontal.Since the print head 1 is limited in print width, it is necessary depending on the surface to be decorated, to realize successive passages interrupted by a displacement of the print head 1, which passages can be made either vertically or horizontally.

Dans l'exemple représenté, la tête d'impression est destinée à imprimer horizontalement dans le sens de la flèche F. Après l'impression d'une bande horizontale, le châssis ramène la tête d'impression au départ et la positionne à une hauteur différente avant d'imprimer une nouvelle bande horizontale. In the example shown, the print head is intended for print horizontally in the direction of arrow F. After the impression of a horizontal strip, the chassis brings back the head at the start and positions it at a different height before printing a new horizontal strip.

Il est toutefois préférable dans certains cas, pour des surfaces de grande longueur, de réaliser l'impression dans le sens vertical, afin d'éviter de nombreux déplacements du châssis susceptibles d'user prématurément les moyens de déplacement du châssis.It is however preferable in certain cases, for surfaces very long, to print in the direction vertical, to avoid many chassis displacements likely to prematurely use the means of movement of the frame.

On notera que, de manière évidente, dans le cas d'une impression dans le sens vertical, les éléments d'impression 3 d'une même couleur ne sont pas rangés en colonnes mais en lignes.It will be noted that, obviously, in the case of an impression vertically, the printing elements 3 of the same color are not arranged in columns but in rows.

On notera également que préalablement à l'opération d'impression, la surface 2 est, de manière classique, lavée et dégraissée, et éventuellement blanchie, tandis qu'un vernis de protection est projeté après l'impression.Note also that prior to the operation surface 2 is conventionally washed and degreased, and possibly bleached, while a varnish of protection is projected after printing.

La structure du châssis est différente selon les caractéristiques de la surface 2 à décorer. Les figures 2a, 2b, 2c, 2d, 2e et 2f représentent des modes de réalisation différents de châssis adaptés chacun à un type de surface 2 à décorer.The chassis structure is different depending on the characteristics of the surface 2 to be decorated. Figures 2a, 2b, 2c, 2d, 2e and 2f represent embodiments different chassis each adapted to a type of surface 2 to decorate.

Sur la figure 2a, la surface à décorer 2 consiste en un côté d'un véhicule V, lequel côté peut être une paroi rigide ou une bâche.In Figure 2a, the surface to be decorated 2 consists of one side of a vehicle V, which side may be a rigid wall or a tarpaulin.

Dans ce mode de réalisation le dispositif selon l'invention comporte un châssis 4 comprenant un profilé supérieur 40 solidarisé au véhicule V en partie haute de la surface à décorer 2, un profilé inférieur 41 solidarisé au sol ou au véhicule, une glissière verticale 42 montée mobile sur les profilés 40 et 41 et le long de laquelle peut se déplacer la tête d'impression 1.In this embodiment the device according to the invention comprises a chassis 4 comprising an upper profile 40 secured to vehicle V at the top of the surface to be decorated 2, a lower section 41 secured to the ground or to the vehicle, a vertical slide 42 movable mounted on profiles 40 and 41 and along which the print head 1 can move.

On notera que pour la décoration d'un côté adjacent à la surface 2, il est prévu d'abouter aux profilés supérieur 40 et inférieur 41, par l'intermédiaire de segments courbes par exemple, de retours sur lesquels la glissière verticale 42 peut se déplacer, tandis que la tête d'impression 1 change d'orientation.Note that for the decoration of a side adjacent to the surface 2, provision is made to join the upper 40 and lower sections 41, through curved segments for example, returns on which the vertical slide 42 can move, while the print head 1 changes orientation.

Sur la figure 2b, la surface à décorer 2 est la face d'un objet cylindrique C, qui peut être une cuve par exemple. Ce mode de réalisation du dispositif selon l'invention comporte un châssis 5 qui comprend une potence 50, dont le pied 51 est posé sur l'objet cylindrique C au milieu de celui-ci, et qui est motorisée en pivotement autour du pied 51 pour entraíner en rotation autour de l'objet cylindrique C une glissière verticale 52 reposant sur des moyens de roulement 53 et le long de laquelle peut se déplacer la tête d'impression 1.In Figure 2b, the surface to be decorated 2 is the face of an object cylindrical C, which can be a tank for example. This mode of embodiment of the device according to the invention comprises a chassis 5 which includes a bracket 50, the foot 51 of which is placed on the cylindrical object C in the middle of it, and which is motorized in pivoting around the foot 51 to train in rotation around the cylindrical object C a vertical slide 52 resting on rolling means 53 and along which can move the print head 1.

Dans une variante également représentée, la glissière verticale 52 se déplace autour de l'objet cylindrique C sur un rail 54 posé au sol.In a variant also shown, the vertical slide 52 moves around the cylindrical object C on a rail 54 placed on the ground.

Sur la figure 2c, la surface à décorer 2 consiste en trois côtés d'un véhicule V. Ce mode de réalisation du dispositif selon l'invention comporte un châssis 6 qui comprend trois rails 60, 61 et 62 posés au sol, chacun à la base de l'un des côtés à décorer du véhicule V, et sur lesquels se déplace un chariot 63 portant une glissière verticale 64 sur laquelle peut se déplacer la tête d'impression 1. On notera que les rails 60, 61 et 62 sont munis d'une plate-forme d'aiguillage, non représentée, permettant le passage d'un rail à un autre.In Figure 2c, the surface to be decorated 2 consists of three sides of a vehicle V. This embodiment of the device according to the invention comprises a chassis 6 which comprises three rails 60, 61 and 62 placed on the ground, each at the base of one of the sides decorate vehicle V, and on which a carriage 63 moves carrying a vertical slide 64 on which can move the print head 1. It will be noted that the rails 60, 61 and 62 are provided with a switching platform, not shown, allowing passage from one rail to another.

Sur la figure 2d, la surface à décorer consiste également en trois côtés d'un véhicule V. Ce mode de réalisation du dispositif selon l'invention comporte un châssis 7 qui comprend deux rails 70 et 71 posés au sol chacun le long d'un côté longitudinal du véhicule V, sur chacun desquels roule un chariot 72 portant une glissière verticale 73, sur laquelle peut se déplacer et pivoter un bras horizontal 74, sur lequel peut se déplacer la tête d'impression 1. In FIG. 2d, the surface to be decorated also consists of three sides of a vehicle V. This embodiment of the device according to the invention comprises a chassis 7 which comprises two rails 70 and 71 placed on the ground each along one side longitudinal of vehicle V, on each of which a carriage rolls 72 carrying a vertical slide 73, on which can be move and pivot a horizontal arm 74, on which can be move the print head 1.

Lorsque le chariot 72 arrive en extrémité d'un côté longitudinal sur un rail 70 ou 71, le bras horizontal 74 pivote de 90° sur la glissière verticale 73 de manière que la tête d'impression 1 soit en regard du côté arrière du véhicule V qu'il peut imprimer sur une moitié, l'autre moitié étant traitée de la même manière de l'autre côté.When the carriage 72 arrives at the end of a longitudinal side on a rail 70 or 71, the horizontal arm 74 pivots 90 ° on the vertical slide 73 so that the print head 1 either facing the rear side of the vehicle V which it can print on one half, the other half being treated in the same way on the other side.

Dans une variante pratiquement identique, non représentée, les rails 70 et 71 au lieu de reposer sur le sol sont placés au-dessus du véhicule V, la tête d'impression 1 étant déplacée de la même manière que pour le mode de réalisation précédent.In a practically identical variant, not shown, the rails 70 and 71 instead of resting on the ground are placed above of vehicle V, the print head 1 being moved the same way as for the previous embodiment.

Sur la figure 2e, la surface à décorer consiste en cinq côtés d'un véhicule V, c'est-à-dire les quatre côtés latéraux et le toit. Ce mode de réalisation du dispositif selon l'invention comporte un châssis 8 qui comprend deux rails 80 et 81 posés au sol chacun long d'un côté longitudinal du véhicule V, sur lesquels roule un portique 82 qui passe au-dessus du véhicule V, et qui est équipé de trois têtes d'impression 1, dont deux seulement sont visibles, à savoir d'une part deux têtes latérales 1' mobiles en translation verticale pour l'impression des deux côtés longitudinaux du véhicule V, et d'autre part une tête supérieure 1" mobile en translation horizontale et verticale, et apte à pivoter de 90° autour d'un axe horizontal pour l'impression des côtés extrêmes.In Figure 2e, the surface to be decorated consists of five sides of a vehicle V, i.e. the four lateral sides and the roof. This embodiment of the device according to the invention comprises a frame 8 which comprises two rails 80 and 81 placed at ground each along one longitudinal side of vehicle V, on which rolls a gantry 82 which passes over the vehicle V, and which is equipped with three print heads 1, two of which only visible, namely on the one hand two heads lateral 1 'movable in vertical translation for printing on the two longitudinal sides of the vehicle V, and on the other hand a 1 "upper head movable in horizontal translation and vertical, and able to rotate 90 ° around a horizontal axis for printing the extreme sides.

On notera qu'il est également possible de prévoir un portique, analogue au châssis 8, apte à être parcouru par une seule tête d'impression.Note that it is also possible to provide a gantry, similar to chassis 8, capable of being traversed by a single head printing.

Sur la figure 2f, la surface à décorer 2 consiste en la surface d'un objet sphérique S. Ce mode de réalisation du dispositif selon l'invention comporte un châssis 9 qui comprend 2 rails 90 et 91 démontables posés au sol à côté de l'objet sphérique S, sur lesquels se délace un chariot 92 qui porte une glissière 93 sur laquelle peut se déplacer une tête d'impression 1 montée oscillante.In FIG. 2f, the surface to be decorated 2 consists of the surface of a spherical object S. This embodiment of the device according to the invention comprises a frame 9 which includes 2 rails 90 and 91 dismountable placed on the ground next to the spherical object S, on which a carriage 92 which bears a slide 93 on which a mounted print head 1 can move oscillating.

Les différents modes de réalisation du châssis du dispositif selon l'invention décrits ci-dessus permettent de décorer des objets quelles que soient les formes de ceux-ci.The different embodiments of the device chassis according to the invention described above make it possible to decorate objects whatever their forms.

Tandis que les facultés d'adaptation de la tête d'impression au relief de la surface à décorer, permet d'obtenir une reproduction de qualité.While the adaptability of the print head to relief of the surface to be decorated, provides a quality reproduction.

Claims (10)

Dispositif permettant de réaliser des décorations sur des objets volumineux, caractérisé en ce qu'il comporte une tête d'impression mobile (1; 1', 1") équipée d'une multiplicité d'éléments d'impression (3) aptes à se déplacer, indépendamment les uns des autres, en rapprochement ou en éloignement de la surface à décorer (2) afin d'en épouser à distance les reliefs caractérisé en ce que ladite tête d'impression (1) est montée sur un moyen support (4; 5; 6; 7; 8; 9) apte à la déplacer dans les trois dimensions et à modifier l'orientation de son axe de projection afin de permettre de décorer, en continu, au moins deux surfaces adjacentes disposées dans des plans différents.Device for making decorations on bulky objects, characterized in that it has a head mobile printing (1; 1 ', 1 ") equipped with a multiplicity printing elements (3) capable of moving independently from each other, in proximity or distance from the surface to be decorated (2) in order to marry the reliefs from a distance characterized in that said printhead (1) is mounted on a support means (4; 5; 6; 7; 8; 9) able to move it in the three dimensions and to change the orientation of its axis of projection in order to decorate, continuously, at least two adjacent surfaces arranged in different planes. Dispositif selon la revendication 1 caractérisé en ce que le moyen support comporte un châssis (4; 5; 6; 7; 8; 9) monté mobile sur des moyens de guidage fixes (40, 41; 51; 54; 60, 61, 62; 70, 71; 80, 81; 90, 91), et sur lequel de déplace la tête d'impression (1; 1', 1").Device according to claim 1 characterized in that the support means comprises a chassis (4; 5; 6; 7; 8; 9) mounted movable on fixed guide means (40, 41; 51; 54; 60, 61, 62; 70, 71; 80, 81; 90, 91), and on which the head moves printing (1; 1 ', 1 "). Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que les éléments d'impression (3) sont répartis en quatre colonnes (30, 31, 32 et 33) ou quatre lignes, une pour chacune des couleurs cyan, magenta, jaune et noire.Device according to claim 1 or claim 2, characterized in that the printing elements (3) are divided into four columns (30, 31, 32 and 33) or four rows, one for each of the colors cyan, magenta, yellow and black. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments d'impressions (3) sont mobiles en coulissement sous l'action de moyens moteurs commandés par un calculateur reliés à des capteurs de forme (30), de manière à amener leur extrémité (35) apte à réaliser la projection de couleur au plus près de la surface à décorer (2).Device according to any one of the claims previous, characterized in that the print elements (3) are movable in sliding under the action of motor means controlled by a computer connected to shape sensors (30), so as to bring their end (35) capable of achieving the color projection as close as possible to the surface to be decorated (2). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'impression est réalisée par projection d'encre ou de peinture acrylique. Device according to any one of the claims previous, characterized in that the printing is carried out by projection of ink or acrylic paint. Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce qu'il comporte une glissière verticale (42; 52; 64; 73; 93), sur laquelle se déplace la tête d'impression (1; 1', 1"), et qui se déplace sur un moyen de guidage fixe posé au sol, et susceptible de d'être disposé, au moins en partie, autour de l'objet à décorer.Device according to any one of Claims 2 to 5, characterized in that it comprises a vertical slide (42; 52; 64; 73; 93), on which the print head moves (1; 1 ', 1 "), and which moves on a fixed guide means placed on the ground, and likely to be arranged, at least in part, around the object to be decorated. Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le châssis (4; 5) comporte un moyen de guidage (41; 51) posé sur l'objet à décorer (V; C), et qui supporte une glissière verticale (42; 52) sur laquelle se déplace la tête d'impression (1), ladite glissière verticale (42; 52) étant éventuellement apte à se déplacer également sur le sol par l'intermédiaire de moyens de roulement.Device according to any one of Claims 2 to 5, characterized in that the chassis (4; 5) includes means for guide (41; 51) placed on the object to be decorated (V; C), and which supports a vertical slide (42; 52) on which moves the print head (1), said vertical slide (42; 52) possibly being able to also move over the ground by means of rolling means. Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le châssis (7) comporte un moyen de guidage (70, 71) posé au sol, ou en hauteur, le long de l'objet à décorer et sur lequel se déplace une glissière verticale (73) sur laquelle peut se déplacer un bras horizontal (74) sur lequel peut se déplacer la tête d'impression (1), ledit bras (74) étant apte à pivoter autour de ladite glissière verticale (73).Device according to any one of Claims 2 to 5, characterized in that the frame (7) includes a means of guide (70, 71) placed on the ground, or in height, along the object to decorate and on which a vertical slide (73) moves on which a horizontal arm (74) can move on which can move the print head (1), said arm (74) being able to pivot around said vertical slide (73). Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le châssis (9) comporte un moyen de guidage (90, 91) posé au sol sur lequel se déplace un chariot (92) portant une glissière verticale (93) sur laquelle peut se déplacer la tête d'impression (1) qui est montée oscillante.Device according to any one of Claims 2 to 5, characterized in that the frame (9) includes a means of guide (90, 91) placed on the ground on which a carriage moves (92) carrying a vertical slide (93) on which can be move the print head (1) which is mounted to oscillate. Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le châssis (8) consiste en un portique (82) enjambant l'objet à décorer (V), dont les montants verticaux sont chacun munis d'une tête d'impression mobile en déplacement vertical, tandis que sa partie transversale est munie d'une tête d'impression (1") mobile en déplacement horizontale et en pivotement autour d'un axe horizontal.Device according to any one of Claims 2 to 5, characterized in that the frame (8) consists of a gantry (82) spanning the object to be decorated (V), the amounts each have a movable print head in vertical displacement, while its transverse part is equipped with a movable print head (1 ") horizontal and pivoting around a horizontal axis.
EP00440201A 1999-07-01 2000-06-30 Device for decorating voluminous objects Withdrawn EP1065055A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9908667 1999-07-01
FR9908667A FR2795662B1 (en) 1999-07-01 1999-07-01 DEVICE PROVIDED WITH A PRINTING HEAD FOR PERFORMING DECORATIONS ON LARGE OBJECTS

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GB2376920A (en) * 2001-06-27 2002-12-31 Inca Digital Printers Ltd Inkjet printing on a three-dimensional object including relative movement of a printhead and the object during printing about a rotational axis
US7467847B2 (en) 2001-06-27 2008-12-23 Inca Digital Printers Limited Printing apparatus and method
FR2862563A1 (en) * 2003-11-24 2005-05-27 Centre Nat Rech Scient Digital printing robot for printing patterns on vehicle e.g. lorry, has carrier and wrist with three and two degrees of freedom in movement and rotation, for permitting positioning and orientation of printing set, respectively
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EP3112176A1 (en) * 2008-10-24 2017-01-04 Dürr Systems AG Coating device and associated coating method
CN106079913B (en) * 2008-10-24 2018-11-30 杜尔系统有限责任公司 Apparatus for coating and relevant coating method
CN102224012B (en) * 2008-10-24 2016-08-03 杜尔系统有限责任公司 Apparatus for coating and relevant coating process
EP2337688B1 (en) 2008-10-24 2016-09-14 Dürr Systems GmbH Coating device and associated coating method
CN106000730A (en) * 2008-10-24 2016-10-12 杜尔系统有限责任公司 Coating device and associated coating method
CN106079912A (en) * 2008-10-24 2016-11-09 杜尔系统有限责任公司 Apparatus for coating and relevant coating process
CN106079913A (en) * 2008-10-24 2016-11-09 杜尔系统有限责任公司 Apparatus for coating and relevant coating process
EP3112177A1 (en) * 2008-10-24 2017-01-04 Dürr Systems AG Coating device and associated coating method
WO2010046064A1 (en) * 2008-10-24 2010-04-29 Dürr Systems GmbH Coating device and associated coating method
US11241889B2 (en) 2008-10-24 2022-02-08 Dürr Systems GmbH Coating device and associated coating method
CN106079912B (en) * 2008-10-24 2018-06-01 杜尔系统有限责任公司 Apparatus for coating and relevant coating method
CN102224012A (en) * 2008-10-24 2011-10-19 杜尔系统有限责任公司 Coating device and associated coating method
US10150304B2 (en) 2008-10-24 2018-12-11 Duerr Systems, Gmbh Coating device and associated coating method
US10814643B2 (en) 2008-10-24 2020-10-27 Dürr Systems Ag Coating device and associated coating method
CN106000730B (en) * 2008-10-24 2019-07-02 杜尔系统有限责任公司 Apparatus for coating and relevant coating method
US11097291B2 (en) 2016-01-14 2021-08-24 Dürr Systems Ag Perforated plate with increased hole spacing in one or both edge regions of a row of nozzles
US11529645B2 (en) 2016-01-14 2022-12-20 Dürr Systems Ag Perforated plate with a reduced diameter in one or both edge regions of a row of nozzles
US10307788B2 (en) 2016-11-09 2019-06-04 The Boeing Company Integrated automation of paint processes incorporating arrayed painting and inkjet printing
US11045836B2 (en) 2016-11-09 2021-06-29 The Boeing Company Integrated automation of paint processes incorporating arrayed painting and inkjet printing
EP3320980A1 (en) * 2016-11-09 2018-05-16 The Boeing Company Integrated automation of paint processes incorporating arrayed painting and inkjet printing
CN112810324A (en) * 2020-12-30 2021-05-18 嘉兴市和辉电力科技有限公司 Multi-curved surface printing device and operation method thereof

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CA2312561A1 (en) 2001-01-01
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