EP2571796B1 - Supply device for a machine for transversely cutting at least one strip of flexible material - Google Patents
Supply device for a machine for transversely cutting at least one strip of flexible material Download PDFInfo
- Publication number
- EP2571796B1 EP2571796B1 EP11723493.0A EP11723493A EP2571796B1 EP 2571796 B1 EP2571796 B1 EP 2571796B1 EP 11723493 A EP11723493 A EP 11723493A EP 2571796 B1 EP2571796 B1 EP 2571796B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flexible material
- cutting machine
- supply device
- strip
- machine according
- 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.)
- Not-in-force
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- 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
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/421—Forming a pile
- B65H2301/4219—Forming a pile forming a pile in which articles are offset from each other, e.g. forming stepped pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
- B65H2404/142—Roller pairs arranged on movable frame
- B65H2404/1424—Roller pairs arranged on movable frame moving in parallel to their axis
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- 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
- B65H2701/18—Form of handled article or web
- B65H2701/186—Several articles or webs processed together
- B65H2701/1864—Superposed webs
Definitions
- the present invention relates to a feed device for a machine for cross-cutting at least one strip of flexible material, in particular a strip of paper, continuously moving, to produce separate piles of documents cut transversely according to determined formats and for laterally shifting these cells relative to each other for identification purposes, said device comprising at least one drive means assigned to said flexible material strip comprising at least a first mechanically rotated roll and a second roll of support, freely rotating around its axis.
- the operations consisting in cutting a line and grouping sheets of a document processing unit on paper supports or the like, in grouping sheets by stacking, are carried out by specific modules that intervene either after the cross section. leaves in continuous bands, before this cut. These modules all have the function of bringing together in a single stack several sheets cut side by side in parallel or superimposed strips.
- the treatment line must necessarily have a significant length since it must progressively regroup two sheets initially arranged on two parallel tracks on a single track. Indeed, the lateral shift can only be done gradually because of the relatively fast longitudinal displacement of the leaves and a comparatively slower lateral displacement. In addition, these modules are mechanically complicated and bulky.
- the present invention proposes to solve this problem by providing a feed device for a sheet-cutting machine, in particular sheets of paper or the like on which are printed documents by means of one or more printers fed by machines. rolls of paper in continuous strips, these sheets being cut transversely and then stacked separately or simply shifted each stack being identifiable with respect to the previous and the following through this separation or through this shift.
- the device of the invention as defined in the preamble, is characterized in that it comprises at least one linear actuator arranged to carry said drive means of said strip of flexible material to be cut, and to move laterally and selectively said strip of flexible material upstream of said cross-sectional machine so as to form said stacks of documents.
- each of said strips of flexible material is preferably assigned a specific drive means each comprising a first mechanically rotatable roll and a second support roller, freely rotatable about its axis.
- the device advantageously comprises at least one linear actuator arranged to move laterally and selectively at least one strip of flexible material upstream of said cutting machine, transversely to the direction of travel of the strip of flexible material, to form said separate stacks of documents.
- said drive means is mounted on a frame carried by a movable platform integral with said linear actuator which is arranged to be displaced transversely with respect to the direction of travel of the flexible material strip.
- the two driving means are advantageously arranged in a superimposed manner on the same frame carried by said mobile platform integral with said linear actuator which is arranged to simultaneously move the strips of flexible material transversely with respect to their direction of travel.
- Said linear actuator preferably comprises a jack coupled to said platform, this jack being pneumatic, hydraulic or actuated by an electric motor.
- the device comprises detection means associated with each strip of flexible material continuously moving, these means comprising at least one read cell of at least one code containing information relating to the cutting format and / or lateral positioning of the documents to be cut.
- Said detection means advantageously comprise at least two read cells for each of the strips of flexible material, one of these cells being arranged to determine the format of the document to be cut and the other to give, if necessary, an offset signal. side of the strip of flexible material concerned.
- said code is an optical read code.
- said linear actuator is arranged to have several levels of lateral displacement, each of these levels corresponding to a degree of shift of a stack of cut documents.
- said code contains a information that triggers a priority signal defining which bands are brought to the cutting machine as a priority.
- the feeding device 10 comprises in this case two conveying circuits of the flexible material to be cut, in this case two strips of paper or the like, hereinafter referred to as the lower band 11 and the upper band 12, on which , for example, been printed documents that one wishes to cut into sheets then gather in piles separated from each other to be able to identify them.
- the device is equipped with individual drive means assigned to the respective strips.
- the lower band 11 is associated with a lower drive means 13 and the upper band 12 is associated with an upper drive means 14.
- the lower drive means 13 comprises a first roller 13a, said roller drive, mechanically driven by a servomotor 13b and a second roller 13c, said support roller, freely rotatable about its axis.
- the upper drive means 14 comprises a first roller 14a, said drive roller, mechanically driven by a servomotor 14b and a second roller 14c, said support roller, freely rotatable about its axis.
- Said lower drive means 13 and said upper drive means 14 are mounted on a frame 15 carried by a mobile platform 16 integral with a linear actuator 17 arranged to be displaced transversely with respect to the direction of travel of the belts 11 and 12, in the direction of the arrows A and B.
- the linear actuator may for example comprise a pneumatic cylinder 18 or any other member capable of moving the platform 16.
- a management unit (not shown) which receives signals transmitted by various sensors arranged along the routing circuits of the strips 11 and 12.
- a management unit receives signals transmitted by various sensors arranged along the routing circuits of the strips 11 and 12.
- a first cell 11a which detects the input edge of the lower band 11
- a second cell 11b which detects marks intended to be interpreted by the management unit in order to control the various moving parts, that is to say the servomotor 13b and / or the linear actuator 17 and move longitudinally and / or laterally the corresponding strip 11.
- These marks advantageously contain also information that defines the priority of the feed to the cutting machine of one or the other band or the two bands simultaneously.
- first cell 12a which detects the input edge of the upper band 12
- second cell 12b which detects marks intended to be interpreted by the management unit in order to driving the various moving members, that is to say the servomotor 14b and / or the linear actuator 17 and moving longitudinally and / or laterally the corresponding band 12.
- a cutting machine 20 schematically represented by a rotary drum 21 equipped with a hill 22 for cutting the sheet strips, transversely to the direction progress of these bands.
- the cutting machine is a conventional machine, known per se and the rotating drum with its rotating knife could also be replaced by a guillotine cutting mechanism or any other known means.
- the figure 3 is a perspective view of a device according to the invention, constructed to operate with two paper strips at the entrance of the line which is extended by a cross-sectional machine (not shown). It essentially comprises a frame 110 which carries a first input roller 111 which guides the lower band 11 and a second upper roller 112 which guides the upper band 12. It will be noted that the two strips of flexible material to be cut 11 and 12 form loops at the entrance of the device. These loops are used to build reserves to allow speed-adjustable or even sequential drives in the device and up to the cutting machine, while printing documents is continuous.
- the frame 115 carries the mobile platform 116 supported by the actuator 117 associated with a pneumatic cylinder 118 or the like.
- the actuator 117 may be a ball carriage or the like.
- Platform 116 carries the training medium assigned to the lower band 11 and the drive means assigned to the upper band 12 respectively with the servomotor 111a and the servomotor 112a. It is found that this construction is extremely compact and has no over-length between the entrance of the strips 11 and 12 and their output to the cutting machine.
- the figure 4 is a schematic view illustrating the path of the strips of flexible material 11 and 12 and the arrangements of the stacks that can be made after cutting with the feeding device described.
- Two superimposed paper strips 11 and 12 are conveyed to the input of the device 10 and, following the reading of codes, shifted sequentially in the longitudinal direction or laterally in a transverse direction, as shown by the double arrow C, and then fed to the cutting machine.
- the cutting machine produces individual sheets in the predetermined format following the reading of codes carried by the bands and read by the cells.
- the strips are introduced sequentially, superimposed or staggered depending on whether the linear actuator moves them or not, or that the servomotors accelerates or slows them down. It is thus possible to obtain offset stacked stacks P1, or juxtaposed stacks P2.
- the device of the invention is not limited to this embodiment as described.
- the number of rolls of flexible material may be greater than two or even limited to one.
- the offsets could be multiplied, that is to say that one could consider making batteries staggered to different degrees to identify a larger number of batteries. Nevertheless, the construction of the device remains compact and easy to manage, the operations of each of the sequences being performed quickly and without complications.
- all or only one or more of the bands may be associated with one or more linear actuators arranged to move one or more strips laterally.
- the drive servomotors of each of the belts are able to accelerate or slow down the corresponding band in order to define the feeding priorities of each band to the cutting machine. These speed modulations are controlled by the code reading cells containing the appropriate information.
Landscapes
- Details Of Cutting Devices (AREA)
- Collation Of Sheets And Webs (AREA)
- Forming Counted Batches (AREA)
Description
La présente invention concerne un dispositif d'alimentation d'une machine de coupe transversale d'au moins une bande de matériau souple, notamment une bande de papier, défilant en continu, pour réaliser des piles distinctes de documents découpés transversalement selon des formats déterminés et pour décaler latéralement ces piles les unes par rapport aux autres en vue de les identifier, ce dispositif comportant au moins un moyen d'entraînement affecté à ladite bande de matériau souple comprenant au moins un premier rouleau entraîné mécaniquement en rotation et un deuxième rouleau d'appui, librement rotatif autour de son axe.The present invention relates to a feed device for a machine for cross-cutting at least one strip of flexible material, in particular a strip of paper, continuously moving, to produce separate piles of documents cut transversely according to determined formats and for laterally shifting these cells relative to each other for identification purposes, said device comprising at least one drive means assigned to said flexible material strip comprising at least a first mechanically rotated roll and a second roll of support, freely rotating around its axis.
Actuellement les opérations consistant, dans une ligne de découpe et de groupage de feuilles d'une unité de traitement de documents sur supports en papier ou similaire, à regrouper des feuilles par empilement, sont effectuées par des modules spécifiques qui interviennent soit après la coupe transversale des feuilles dans des bandes continues, soit avant cette coupe. Ces modules ont tous pour fonction de rassembler en une seule pile plusieurs feuilles découpées cote à cote dans des bandes parallèles ou superposées.At present, the operations consisting in cutting a line and grouping sheets of a document processing unit on paper supports or the like, in grouping sheets by stacking, are carried out by specific modules that intervene either after the cross section. leaves in continuous bands, before this cut. These modules all have the function of bringing together in a single stack several sheets cut side by side in parallel or superimposed strips.
Dans le cas où le module d'assemblage est situé en aval par rapport à l'unité de coupe transversale, la ligne de traitement doit obligatoirement avoir une longueur importante puisqu'elle doit regrouper progressivement deux feuilles disposées initialement sur deux pistes parallèles sur une seule piste. En effet, le décalage latéral ne peut se faire que progressivement en raison du déplacement longitudinal relativement rapide des feuilles et un déplacement latéral comparativement plus lent. En outre, ces modules sont mécaniquement compliqués et encombrants.In the case where the assembly module is located downstream with respect to the cross-cutting unit, the treatment line must necessarily have a significant length since it must progressively regroup two sheets initially arranged on two parallel tracks on a single track. Indeed, the lateral shift can only be done gradually because of the relatively fast longitudinal displacement of the leaves and a comparatively slower lateral displacement. In addition, these modules are mechanically complicated and bulky.
Dans le cas où le module d'assemblage est disposé avant la machine de coupe transversale, comme c'est le cas par exemple dans la publication
De façon similaire, il est avantageux de pouvoir définir une priorité d'amenée de l'une ou l'autre bande de matériau souple sur lesquelles sont par exemple imprimés des documents, vers la machine de coupe. Cette chronologie permet de commencer de former des piles de façon prédéterminée, ces piles étant par exemple composées d'un nombre défini de feuilles avec un numérotage pair ou de feuilles avec un numérotage impair. Il est nécessaire de pouvoir à la fois déplacer latéralement les bandes de papier, et de les présenter à la coupe en positionnant en priorité l'une ou l'autre des bandes ou les deux simultanément en fonction des configurations de piles que l'on souhaite obtenir.Similarly, it is advantageous to be able to define a feeding priority of one or the other band of flexible material on which, for example, documents are printed towards the cutting machine. This chronology makes it possible to start forming stacks in a predetermined manner, these stacks being for example composed of a defined number of sheets with an even numbering or sheets with an odd numbering. It is necessary to be able to simultaneously move the strips of paper laterally, and to present them to the cut by positioning in priority one or the other of the bands or both simultaneously according to the configurations of piles that one wishes get.
Il n'existe actuellement aucune solution efficace pour régler le problème du tri et du positionnement des feuilles découpées dans des bandes de matériau continues, ces opérations s'effectuant sur un dispositif simple et d'encombrement réduit.There is currently no effective solution to solve the problem of sorting and positioning cut sheets in continuous strips of material, these operations being performed on a simple device and compact.
La présente invention se propose de résoudre ce problème en réalisant un dispositif d'alimentation d'une machine de coupe de feuilles, notamment de feuilles de papier ou similaire sur lesquelles sont imprimés des documents au moyen d'une ou de plusieurs imprimantes alimentées par des rouleaux de papier en bandes continues, ces feuilles étant découpées transversalement et ensuite mises en piles séparées ou simplement décalées chaque pile étant identifiable par rapport à la précédente et à la suivante grâce à cette séparation ou grâce à ce décalage.The present invention proposes to solve this problem by providing a feed device for a sheet-cutting machine, in particular sheets of paper or the like on which are printed documents by means of one or more printers fed by machines. rolls of paper in continuous strips, these sheets being cut transversely and then stacked separately or simply shifted each stack being identifiable with respect to the previous and the following through this separation or through this shift.
Dans ce but, le dispositif de l'invention, tel que défini en préambule, est caractérisé en ce qu'il comporte au moins un actionneur linéaire agencé pour porter ledit moyen d'entraînement de ladite bande de matériau souple à découper, et pour déplacer latéralement et sélectivement ladite bande de matériau souple en amont de ladite machine de coupe transversale de manière à former lesdites piles de documents.For this purpose, the device of the invention, as defined in the preamble, is characterized in that it comprises at least one linear actuator arranged to carry said drive means of said strip of flexible material to be cut, and to move laterally and selectively said strip of flexible material upstream of said cross-sectional machine so as to form said stacks of documents.
Pour une machine de coupe transversale dans laquelle plusieurs bandes de matériau souple défilant en continu, sont traitées sensiblement simultanément, à chacune desdites bandes de matériau souple est de préférence affecté un moyen d'entraînement spécifique comprenant chacun un premier rouleau entraîné mécaniquement en rotation et un deuxième rouleau d'appui, librement rotatif autour de son axe. Dans ce cas, le dispositif comporte avantageusement au moins un actionneur linéaire agencé pour déplacer latéralement et sélectivement au moins une bande de matériau souple en amont de ladite machine de coupe, transversalement par rapport à la direction de cheminement de la bande de matériau souple, de manière à former lesdites piles distinctes de documents.For a cross-sectional machine in which a plurality of continuously moving strips of flexible material are treated substantially simultaneously, each of said strips of flexible material is preferably assigned a specific drive means each comprising a first mechanically rotatable roll and a second support roller, freely rotatable about its axis. In this case, the device advantageously comprises at least one linear actuator arranged to move laterally and selectively at least one strip of flexible material upstream of said cutting machine, transversely to the direction of travel of the strip of flexible material, to form said separate stacks of documents.
D'une manière préférentielle, ledit moyen d'entraînement est monté sur un bâti porté par une plateforme mobile solidaire dudit actionneur linéaire qui est agencé pour être déplacé transversalement par rapport à la direction de cheminement de la bande de matériau souple.Preferably, said drive means is mounted on a frame carried by a movable platform integral with said linear actuator which is arranged to be displaced transversely with respect to the direction of travel of the flexible material strip.
Lorsque le dispositif comporte au moins deux moyens d'entraînement, respectivement affectés à au moins deux bandes de matériau souple, les deux moyens d'entraînement sont avantageusement disposés de manière superposée sur le même bâti porté par ladite plateforme mobile solidaire dudit actionneur linéaire qui est agencé pour déplacer simultanément les bandes de matériau souple transversalement par rapport à leur direction de cheminement.When the device comprises at least two drive means, respectively assigned to at least two strips of flexible material, the two driving means are advantageously arranged in a superimposed manner on the same frame carried by said mobile platform integral with said linear actuator which is arranged to simultaneously move the strips of flexible material transversely with respect to their direction of travel.
Ledit actionneur linéaire comporte de préférence un vérin couplé à ladite plateforme, ce vérin pouvant être pneumatique, hydraulique ou actionné par un moteur électrique.Said linear actuator preferably comprises a jack coupled to said platform, this jack being pneumatic, hydraulic or actuated by an electric motor.
Selon un mode de réalisation préféré, le dispositif comporte des moyens de détection associés à chaque bande de matériau souple défilant en continu, ces moyens comportant au moins une cellule de lecture d'au moins un code contenant des informations relatives au format de coupe et/ou de positionnement latéral des documents à découper.According to a preferred embodiment, the device comprises detection means associated with each strip of flexible material continuously moving, these means comprising at least one read cell of at least one code containing information relating to the cutting format and / or lateral positioning of the documents to be cut.
Lesdits moyens de détection comportent avantageusement au moins deux cellules de lecture pour chacune des bandes de matériau souple, l'une de ces cellules étant agencée pour déterminer le format du document à découper et l'autre pour donner, le cas échéant un signal de décalage latéral de la bande de matériau souple concernée.Said detection means advantageously comprise at least two read cells for each of the strips of flexible material, one of these cells being arranged to determine the format of the document to be cut and the other to give, if necessary, an offset signal. side of the strip of flexible material concerned.
D'une manière particulièrement avantageuse, ledit code est un code à lecture optique.In a particularly advantageous manner, said code is an optical read code.
Selon une variante de réalisation avantageuse, ledit actionneur linéaire est agencé pour disposer de plusieurs niveaux de déplacement latéral, chacun de ces niveaux correspondant à un degré de décalage d'une pile de documents découpés.According to an advantageous embodiment, said linear actuator is arranged to have several levels of lateral displacement, each of these levels corresponding to a degree of shift of a stack of cut documents.
Selon une forme de réalisation préférentielle, ledit code contient une information qui déclenche un signal de priorité définissant laquelle des bandes est amenée prioritairement vers la machine de coupe.According to a preferred embodiment, said code contains a information that triggers a priority signal defining which bands are brought to the cutting machine as a priority.
La présente invention et ses avantages apparaîtront mieux dans la description suivante d'un mode de réalisation donné à titre d'exemple non limitatif, en référence aux dessins annexés, dans lesquels :
- la
figure 1 représente une vue de principe, en élévation latérale illustrant la construction et le mode de fonctionnement d'une forme de réalisation du dispositif de l'invention, - la
figure 2 est une vue schématique eh élévation frontale de la forme de réalisation du dispositif tel que représenté par lafigure 1 , - la
figure 3 représente une vue en perspective qui illustre le dispositif d'alimentation selon l'invention dans une réalisation travaillant avec deux bandes de matériau souple, et - la
figure 4 représente une vue qui illustre schématiquement le cheminement des deux bandes de matériau souple et les empilements qui peuvent être réalisés grâce au dispositif de l'invention.
- the
figure 1 represents a principle view, in side elevation illustrating the construction and the mode of operation of an embodiment of the device of the invention, - the
figure 2 is a diagrammatic front elevational view of the embodiment of the device as represented by FIG.figure 1 , - the
figure 3 represents a perspective view which illustrates the feed device according to the invention in an embodiment working with two strips of flexible material, and - the
figure 4 is a view which schematically illustrates the path of the two strips of flexible material and the stacks that can be achieved through the device of the invention.
En référence à la
Dans le présent cas, la bande inférieure 11 est associée à un moyen d'entraînement inférieur 13 et la bande supérieure 12 est associée à un moyen d'entraînement supérieur 14. Le moyen d'entraînement inférieur 13 comporte un premier rouleau 13a, dit rouleau d'entraînement, entraîné mécaniquement par un servomoteur 13b et un deuxième rouleau 13c, dit rouleau d'appui, librement rotatif autour de son axe. Le moyen d'entraînement supérieur 14 comporte un premier rouleau 14a, dit rouleau d'entraînement, entraîné mécaniquement par un servomoteur 14b et un deuxième rouleau 14c, dit rouleau d'appui, librement rotatif autour de son axe. Ledit moyen d'entraînement inférieur 13 et ledit moyen d'entraînement supérieur 14 sont montés sur un bâti 15 porté par une plateforme mobile 16 solidaire d'un actionneur linéaire 17 agencé pour être déplacé transversalement par rapport à la direction de cheminement des bandes 11 et 12, dans le sens des flèches A et B. L'actionneur linéaire peut par exemple comporter un vérin pneumatique 18 ou tout autre organe susceptible de déplacer la plateforme 16.In the present case, the
Ces déplacements sont commandés par une centrale de gestion (non représentée) qui reçoit des signaux transmis par divers capteurs disposés le long des circuits d'acheminement des bandes 11 et 12. Le long de la bande inférieure 11 sont disposés une première cellule 11a qui détecte le bord d'entrée de la bande inférieure 11 et une deuxième cellule 11 b qui détecte des marques destinées à être interprétées par la centrale de gestion en vue de piloter les différents organes en mouvement, c'est-à-dire le servomoteur 13b et/ou l'actionneur linéaire 17 et déplacer longitudinalement et/ou latéralement la bande correspondante 11. Ces marques contiennent avantageusement également une information qui définit la priorité de l'amenée à la machine de coupe de l'une ou de l'autre bande ou des deux bandes simultanément. De façon similaire, le long de la bande supérieure 12 sont disposés une première cellule 12a qui détecte le bord d'entrée de la bande supérieure 12 et une deuxième cellule 12b qui détecte des marques destinées à être interprétées par la centrale de gestion en vue de piloter les différents organes en mouvement, c'est-à-dire le servomoteur 14b et/ou l'actionneur linéaire 17 et déplacer longitudinalement et/ou latéralement la bande correspondante 12.These displacements are controlled by a management unit (not shown) which receives signals transmitted by various sensors arranged along the routing circuits of the
A la suite de ces composants, en aval du dispositif d'alimentation 10, se situe une machine de coupe 20 schématiquement représentée par un tambour rotatif 21 équipé d'un coteau 22 destiné à découper les bandes en feuilles, transversalement par rapport à la direction d'avancement de ces bandes. La machine de coupe est une machine classique, connue en soi et le tambour rotatif avec son couteau tournant pourrait également être remplacé par un mécanisme de coupe à guillotine ou tout autre moyen connu.Following these components, downstream of the
La
La
En fonctionnement, le dispositif 10 permet d'opérer de la manière suivante. Un gros rouleau de papier est initialement divisé en deux bandes au moyen d'un système de coupe longitudinale disposé en amont du dispositif 10. Chacune des deux bandes est acheminée en direction de son moyen d'entraînement. Les premières cellules sont destinées respectivement à détecter le bord d'origine de chacune des bandes afin de synchroniser le cheminement de la bande correspondante avec la machine de coupe ce qui permet de déterminer le format de la feuille qui sera découpée. Les deuxièmes cellules situées à proximité des premières ont pour but de lire un code ou une marque donnant les informations suivantes :
- Laquelle des deux bandes, respectivement supérieure ou inférieure est acheminée en priorité vers la machine de coupe.
- Le cas échéant, si les deux bandes doivent être acheminées simultanément jusqu'à la machine de coupe.
- Si les moyens d'entraînement des deux bandes comprenant les rouleaux d'entraînement et les rouleaux libres ainsi que les servomoteurs doivent être décalés latéralement afin de séparer des paquets de feuilles en vue de leur identification. Le déclenchement de ce décalage est provoqué par l'activation de l'actionneur linéaire.
- Which of the two strips, respectively upper or lower is routed to the cutting machine first.
- In this case, if both strips are to be conveyed simultaneously to the cutting machine.
- If the drive means of the two belts comprising the drive rollers and the free rollers as well as the servomotors must be offset laterally in order to separate bundles of sheets for identification. The triggering of this shift is caused by the activation of the linear actuator.
Les opérations ci-dessus donnent lieu aux séquences de travail successives suivantes :
- Lorsque l'une ou l'autre bande de papier est acheminée vers la machine de coupe, les rouleaux d'entraînement sont mis en mouvement au moyen des servomoteurs qui les commandent. Lorsque le bord d'origine de la bande de papier est lu par la cellule correspondante, un signal est envoyé au servomoteur adéquat pour positionner le papier d'une manière telle que la machine de coupe découpe exactement la feuille au format demandé lors de la mise en route du dispositif.
- Il en sera de même pour les formats consécutifs qui seront déterminés par lecture d'une marque apposée sur la bande de papier, cette lecture étant de préférence optique.
- Une seconde marque est lue par la deuxième cellule qui a pour fonction de déterminer laquelle des bandes de papier ou d'un autre matériau souple, selon la nature des rouleaux de matériau introduits à l'origine sur la ligne de traitement dont fait partie le dispositif d'alimentation, est acheminée en premier vers la machine de coupe, sachant que les deux peuvent également être amenées en même temps. Cette opération permettra de former des piles de papier dont le nombre est soit pair soit impair, indépendamment du choix de la bande découpée en priorité.
- La deuxième fonction de la marque optique figurant sur la bande de papier lue par la deuxième cellule est la commande du décalage des rouleaux de traction au moyen de l'actionneur linéaire. La formation de piles de feuilles décalées permet l'identification facilitée de piles et leur reprise par des opérateurs.
- Au moment de la lecture d'une marque qui commande le décalage latéral, le signal enclenché par cette lecture commande l'actionneur linéaire pour déplacer les bandes transversalement, et commande le ralentissement des rouleaux d'entraînement afin de permettre au décalage latéral de s'effectuer avec précision. Une consigne de temps, permet ensuite aux composants mobiles du dispositif de reprendre leur vitesse normale jusqu'à ce qu'une séquence similaire soit à nouveau enclenchée suite à la lecture d'une marque portée par les bandes de matériau souple, ou similaire.
- When one or the other paper web is fed to the cutting machine, the drive rollers are moved by means of the servomotors which control them. When the original edge of the paper web is read by the corresponding cell, a signal is sent to the servomotor suitable for positioning the paper in such a way that the cutting machine exactly cuts the sheet in the requested format when placing the paper. en route of the device.
- It will be the same for the consecutive formats that will be determined by reading a mark on the paper tape, this reading is preferably optical.
- A second mark is read by the second cell whose function is to determine which of the strips of paper or other flexible material, depending on the nature of the rolls of material originally introduced on the line of treatment which includes the device feed, is routed first to the cutting machine, knowing that both can also be fed at the same time. This operation will make it possible to form stacks of paper whose number is either even or odd, regardless of the choice of the strip cut in priority.
- The second function of the optical mark on the paper web read by the second cell is the control of the offset of the traction rollers by means of the linear actuator. The formation of staggered stacks of sheets makes the identification of stacks easier and their recovery by operators.
- When reading a mark that controls the lateral shift, the signal triggered by this reading controls the linear actuator to move the bands transversely, and controls the slowing of the drive rollers to allow the lateral shift of s'. perform accurately. A set of time, then allows the mobile components of the device to resume their normal speed until a similar sequence is again engaged after reading a mark carried by the bands of flexible material, or the like.
Le dispositif de l'invention n'est pas limité à cette réalisation telle que décrite. Le nombre de rouleaux de matériau souple peut être supérieur à deux ou même limité à un seul. Les décalages pourraient être démultipliés, c'est-à-dire que l'on pourrait envisager de réaliser des piles décalées à des degrés différents pour identifier un plus grand nombre de piles. Néanmoins, la construction du dispositif reste compacte et sa gestion aisée, les opérations de chacune des séquences étant effectuées rapidement et sans complications. En cas de bandes multiples, la totalité des bandes ou seulement une ou plusieurs d'entre elles peuvent être associées à un ou plusieurs actionneurs linéaires agencés pour déplacer une ou plusieurs bandes latéralement. Les servomoteurs d'entraînement de chacune des bandes sont en mesure d'accélérer ou de ralentir la bande correspondante en vue de définir les priorités d'amenée de chaque bande vers la machine de coupe. Ces modulations de vitesse sont commandées par les cellules de lecture de codes contenant les informations adéquates.The device of the invention is not limited to this embodiment as described. The number of rolls of flexible material may be greater than two or even limited to one. The offsets could be multiplied, that is to say that one could consider making batteries staggered to different degrees to identify a larger number of batteries. Nevertheless, the construction of the device remains compact and easy to manage, the operations of each of the sequences being performed quickly and without complications. In the case of multiple bands, all or only one or more of the bands may be associated with one or more linear actuators arranged to move one or more strips laterally. The drive servomotors of each of the belts are able to accelerate or slow down the corresponding band in order to define the feeding priorities of each band to the cutting machine. These speed modulations are controlled by the code reading cells containing the appropriate information.
Claims (10)
- Supply device (10) for a machine (20) for transversely cutting at least one strip of a flexible material (11, 12), in particular a strip of paper, moving continuously, to produce separate stacks of documents cut transversely according to determined formats and to shift these stacks laterally with respect to each other in order to identify them, this device comprising at least one driving means (13, 14) associated with said strip of flexible material including at least one first roller (13a, 14a) which is mechanically rotated and a second bearing roller (13c, 14c) which is freely rotatable around its axis, this device being characterised in that it comprises at least one linear actuator (17) arranged to support said driving means (13, 14) of said flexible material strip (11, 12) to be cut, and to shift laterally and selectively said flexible material strip upstream of said transverse cutting machine (20) in order to form said distinct document stacks.
- Supply device for a transverse cutting machine according to claim 1, in which several continuously moving strips of a flexible material (11, 12) are processed approximately simultaneously, characterised in that specific driving means (13, 14) comprising each a first roller (13a, 14a) driven mechanically in rotation and a second bearing roller (13c, 14c) that turns freely around its axis is associated with each of said flexible material strips, and in that it includes at least one linear actuator (17) arranged to move laterally and selectively at least one flexible material strip upstream of said cutting machine (20), transversely with respect to the direction of movement of the flexible material strip in order to form said distinct document stacks.
- Supply device for a transverse cutting machine according to any of claims 1 and 2, characterised in that said driving means (13, 14) is mounted on a frame (15) supported by a movable platform (16) rigidly connected to said linear actuator (17), arranged so as to be moved transversally with respect to the direction of movement of the flexible material strip (11 or 12).
- Supply device for a transverse cutting machine according to claim 3, comprising at least two driving means associated with at least two flexible material strips (11 and 12), characterised in that the two driving means are arranged over one another on the same frame (15) supported by said movable platform (16) rigidly connected to said linear actuator (17), arranged so as to move simultaneously the flexible material strips (11 and 12) transversely with respect to their direction of movement.
- Supply device for a transverse cutting machine according to claim 3, characterised in that said linear actuator (17) comprises a jack coupled to said platform (16).
- Supply device for a transverse cutting machine according to any of the previous claims, characterised in that it comprises detection means associated with each continuously moving flexible material strip (11, 12), these means including at least one cell (11 a, 11 b, 12a, 12b) for reading at least one code containing information relating to the cutting format and/or to the lateral positioning of the documents cut.
- Supply device for a transverse cutting machine according to claim 6, characterised in that said detection means comprise at least two reading cells (11 a, 11 b; 12a, 12b) for each of the flexible material strips (11, 12), one of these cells being arranged to determine the format of the document to be cut and the other to give, if necessary, a signal for the lateral shift of the concerned flexible material strip.
- Supply device for a transverse cutting machine according to claim 6, characterised in that said code is an optically readable code.
- Supply device for a transverse cutting machine according to claim 6, characterised in that said linear actuator (17) is arranged so as to have several lateral degrees of movement, each of these degrees corresponding to an amount of shift of a cut documents stack.
- Supply device for a transverse cutting machine according to claim 6, characterised in that said code contains an information that triggers a priority signal defining which one of the flexible material strips (11 or 12) is to be fed in priority to the cutting machine (20).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1053787A FR2959990B1 (en) | 2010-05-17 | 2010-05-17 | DEVICE FOR SUPPLYING A CROSS-CUTTING MACHINE OF AT LEAST ONE BAND OF FLEXIBLE MATERIAL |
PCT/FR2011/000260 WO2011144822A1 (en) | 2010-05-17 | 2011-04-28 | Supply device for a machine for transversely cutting at least one strip of flexible material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2571796A1 EP2571796A1 (en) | 2013-03-27 |
EP2571796B1 true EP2571796B1 (en) | 2015-08-12 |
Family
ID=42667936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11723493.0A Not-in-force EP2571796B1 (en) | 2010-05-17 | 2011-04-28 | Supply device for a machine for transversely cutting at least one strip of flexible material |
Country Status (5)
Country | Link |
---|---|
US (1) | US8944427B2 (en) |
EP (1) | EP2571796B1 (en) |
ES (1) | ES2552702T3 (en) |
FR (1) | FR2959990B1 (en) |
WO (1) | WO2011144822A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011122100A1 (en) * | 2011-12-22 | 2013-06-27 | Bixolon Europe Gmbh | Rolls for a printer and a printer equipped with these roles |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2214593A (en) * | 1939-08-08 | 1940-09-10 | Frank H Fleer Corp | Paper registering mechanism |
US3467292A (en) * | 1967-09-05 | 1969-09-16 | Alexeff Snyder Ets | Combination web steering and guiding apparatus |
US4091978A (en) * | 1976-11-08 | 1978-05-30 | International Business Machines Corporation | Sheet handling apparatus |
NL188956C (en) * | 1980-04-21 | 1992-11-16 | Nippon Oil Co Ltd | METHOD FOR MAKING A CARPET TILE |
DE3533275A1 (en) * | 1985-09-18 | 1987-03-26 | Bst Servo Technik Gmbh | Sensing device for the travel control of webs |
US4939888A (en) * | 1990-07-06 | 1990-07-10 | Webcraft Technologies, Inc. | Method for producing a mass distributable printed packet |
DE10110494C1 (en) * | 2001-02-14 | 2002-12-05 | Lohmann Therapie Syst Lts | Thin wafer manufacture from an active film involves slitting film into long strips which are stacked and smoothed before cross-cutting to length |
US6994005B2 (en) * | 2002-03-01 | 2006-02-07 | Energy Saving Products And Sales Corp. | Apparatus for slitting, merging, and cutting a continuous paperweb |
DE10236658B4 (en) * | 2002-08-09 | 2012-11-29 | Wifag Maschinenfabrik Ag | Cut register allocation |
DE10313774B4 (en) * | 2002-12-18 | 2006-12-14 | Koenig & Bauer Ag | Device for processing a moving material web |
US7197971B2 (en) * | 2003-07-18 | 2007-04-03 | Hewlett-Packard Development Company, L.P. | Device for trimming sheet material |
US7961299B2 (en) * | 2007-11-08 | 2011-06-14 | Orc Manufacturing Co., Ltd. | Transfer device |
TWI367855B (en) * | 2008-09-24 | 2012-07-11 | Apparatus and method for guiding the web position |
-
2010
- 2010-05-17 FR FR1053787A patent/FR2959990B1/en not_active Expired - Fee Related
-
2011
- 2011-04-28 ES ES11723493.0T patent/ES2552702T3/en active Active
- 2011-04-28 EP EP11723493.0A patent/EP2571796B1/en not_active Not-in-force
- 2011-04-28 US US13/697,168 patent/US8944427B2/en not_active Expired - Fee Related
- 2011-04-28 WO PCT/FR2011/000260 patent/WO2011144822A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20130062389A1 (en) | 2013-03-14 |
FR2959990B1 (en) | 2012-06-08 |
WO2011144822A1 (en) | 2011-11-24 |
FR2959990A1 (en) | 2011-11-18 |
US8944427B2 (en) | 2015-02-03 |
EP2571796A1 (en) | 2013-03-27 |
ES2552702T3 (en) | 2015-12-01 |
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