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EP0627379A1 - Device for transferring stacks of sheets from a printing or copying machine to a sheet finisher - Google Patents

Device for transferring stacks of sheets from a printing or copying machine to a sheet finisher Download PDF

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Publication number
EP0627379A1
EP0627379A1 EP94105783A EP94105783A EP0627379A1 EP 0627379 A1 EP0627379 A1 EP 0627379A1 EP 94105783 A EP94105783 A EP 94105783A EP 94105783 A EP94105783 A EP 94105783A EP 0627379 A1 EP0627379 A1 EP 0627379A1
Authority
EP
European Patent Office
Prior art keywords
conveyor
machine
rail
door
copying machine
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.)
Ceased
Application number
EP94105783A
Other languages
German (de)
French (fr)
Inventor
Patrick Bridoux
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.)
C P Bourg SA
Original Assignee
C P Bourg SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by C P Bourg SA filed Critical C P Bourg SA
Publication of EP0627379A1 publication Critical patent/EP0627379A1/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/16—Inclined tape, roller, or like article-forwarding side registers
    • B65H9/166—Roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/10—Associating articles from a single source, to form, e.g. a writing-pad
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B65H2402/31—Pivoting support means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/30—Facilitating or easing
    • B65H2601/32—Facilitating or easing entities relating to handling machine
    • B65H2601/321—Access

Definitions

  • the present invention relates to a device for transferring bundles of sheets leaving a printing or copying machine to a machine for finishing bundles, in particular for a printing or copying machine having a door with a bundle ejection opening as well as a finishing machine having an entry side which faces this opening, the door opening towards the entry side of the finishing machine.
  • a machine such as a printer or copier
  • a train of accessories such as a stapler, a folder, a cutting machine, a gluing machine or a stacking table.
  • These accessories which can more generally be called bundle finishing machines, handle bundles of sheets, or sheets in sheet-by-sheet mode, leaving the printer or copying machine through an opening. ejection.
  • the finishing machine, or the first accessory machine in the case of a train of these machines, is then generally immediately attached to the printing or copying machine to allow direct transfer of the bundles ejected from the printer or from the copying machine to the finishing machine.
  • the bundle ejection opening is provided in a door of the printing or copying machine, this door, when it is open, allowing access to the machine for cleaning it in case of need or replacement consumables.
  • To be able to open the door it is therefore necessary to move the finishing machine back, or if necessary, the complete set of accessories associated with the printer or copying machine.
  • the door is closed and the advancement of the finishing machine to its position next to the printing or copying machine.
  • the various accessories are generally mounted on casters, their moving is nevertheless difficult and, moreover, delicate, given their high weight and the need for correct repositioning of the accessories between them and relative to the printer or copying machine. Since modern machines work at high rates, the need to carry out these cleaning or filling operations frequently arises. Despite these apparent drawbacks, no remedy has been proposed in the state of the art.
  • a bundle transfer device which is characterized in that it comprises a conveyor articulated in a frame integral with the finishing machine around a horizontal axis and having a length such that its free end, during a pivoting of the conveyor from a low position adjacent to the ejection opening of the printing or copying machine towards a raised position, follows a path not obstructed by the printing or copying machine, the door, in the raised position of the conveyor, which can be opened freely without moving the finishing machine.
  • the conveyor therefore constitutes a kind of movable bridge between the two machines, these machines no longer being immediately attached, but spaced enough to allow the door to open when the conveyor is in its raised position.
  • the finishing machine, or the accessory train can therefore remain stationary.
  • the conveyor is cantilevered, so that no modification is necessary at the level of the printing or copying machine.
  • the low position of the conveyor is preferably defined by stop means arranged on the finishing machine. If necessary, locking means are provided arranged on the finishing machine to lock the conveyor in its low position.
  • a jack preferably a gas jack.
  • This cylinder can at the same time constitute a stop for the low position of the conveyor.
  • finishing machine 10 is made up of only one unit, for example a stapling machine. It is however common to associate machine 10 with a train of accessories such as a stapler, a folder and a cutting machine, possibly forming a unitary block.
  • the machine 10 has a door 14 articulated on a vertical axis, as shown in FIG. 2.
  • This door 14 is provided with an ejection opening for the bundles of sheets produced by the machine 10.
  • the machine 12 therefore faces the door 14 by its input side to allow direct transfer of the bundles of sheets leaving the opening of the door 14 towards the machine 12.
  • the door 14 allows access to the interior of the machine 10 to unclog it if necessary or to replace the consumables. Before the door 14 can be opened, the machine 12 must be moved back, as seen in FIG. 2.
  • the machine 12 is fixedly disposed at a distance D in front of the door 14 of the machine 10. This distance D is sufficient to allow the free opening of the door 14.
  • the machines 10, 12 are connected by a device transfer which includes a mobile conveyor 16.
  • this conveyor 16 is pivotally mounted and cantilevered in a frame 18 of the machine 12.
  • the pivoting movement of the conveyor 16 is assisted by one or more gas cylinders 20.
  • the cylinder 20 is supported on the frame 18, the cylinder being connected to the structure of the conveyor 16 via a bracket.
  • the cylindrical part of the jack 20 abuts on the frame 18.
  • the conveyor 16 when in its low position, is inclined towards the outlet opening of the machine 10, represented schematically by a horizontal arrow F, the level of this outlet opening being lower than that of the pivoting axis A of the conveyor 16.
  • the conveyor 16 When the conveyor 16 is pivoted, its free end moves in an arc which passes through a recess 14A in the door 14 and near a raised rebound 10A of the machine 10 which upwards delimits the opening of the machine 10 closed by the door 14.
  • the minimum spacing between this flange 10A and the trajectory of the free end of the conveyor 16 is for example around 5 mm.
  • the conveyor 16 carries several flexible strips 22 which extend the transport table 24 of the conveyor 16 and are intended to bear on the lower edge of the outlet opening of the machine 10.
  • the slats 22 touch the rim 10A and flex so as not to obstruct the pivoting of the conveyor in its raised position.
  • the conveyor 16 is of the belt type, the upper strand 26A of the belt 26 passing over the conveyor table 24 and the lower strand 26B being arranged below the latter.
  • the belt 26 is mounted on a drive roller 28.
  • the drive roller 28 is connected to a drive shaft 30 (fig. 11) whose axis coincides with the the pivot axis A of the conveyor 16.
  • the transmission shaft 30 is mounted in bearings 32 fixed on the underside of the transport table 24 and in bearings 34, 36 fixed to the flanges 18A, 18B of the frame 18.
  • a rail 40 of a U-shaped section overhangs the belt 26 at a distance from the latter and from the transport table 24.
  • this rail 40, and the belt 26, are inclined relative to the longitudinal direction of the transport table 24.
  • the belt 26 is mounted on a deflection roller 41 (fig. 8) disposed substantially in the middle of the free end of the transport table 24.
  • the drive roller 28 is close to the flange 18B of the frame 18, the rail 40 and the belt 26 making an angle of approximately 5 ° with the longitudinal direction of the transport table 24.
  • the rail 40 has a series of cells 42 regularly spaced along its length. In each of the cells 42, a ball 44 is mounted to rotate freely, the balls 44 rest by gravity on the upper face of the belt 26.
  • the axes of the drive roller 28 and the deflection roller 41 are inclined by the same value relative to the transverse direction of the transport table 24.
  • the axis of the drive roller 28, mounted in bearings 50 fixed under the transport table 24, is connected to the drive shaft 30 by means of a spring. coupling 52 which ensures the angle transmission between the axes of the shaft 30 and of the roller 28.
  • the rail 40 At its end near the deflection roller 41, the rail 40 carries a pair of arms 60 articulated around a horizontal axis 62 and carrying, in their turn, a pinching roller 64 urged into contact with the upper strand 26A of the belt 26, in line with the idler roller 41.
  • Rail 40, and a second rail 66 of U-shaped section are carried by two rods transverse 68, 70 whose ends are fixed to side walls 72 and 74 of the conveyor 16.
  • the side wall 74 forms an alignment stop for the bundles of sheets advanced by the conveyor.
  • the rail 66 extends parallel to the other side wall 74.
  • the rail 40 constitutes a support for the balls 44 and, at the same time, a protection for the belt 26.
  • the rail 66 constitutes a deflector for the sheets of the bundle advanced by the belt 26 on the transport table 24 .
  • the rail 40 stops well before the vertical plane passing through the pivot axis A of the conveyor 16 to create a safety gap between the edge 40A at its free end and the neighboring parts of the device when the conveyor is located in its raised position, shown in broken lines in FIG. 9.
  • the edge 40A is located at a distance of approximately 25 mm or more from an upper guide plate 76 which delimits with a lower guide plate 78 a guide slot 80 for the bundles leaving the conveyor. 16.
  • the safety gap thus created between the edge 40A and the guide plate 76 is an important aspect of the device since it avoids any risk of injury to an operator who would have placed his finger on the front edge of the sheet. 76 or on the end of the rail 40.
  • the rails 40, 66 and 74 each carry a flexible strip 82 at their ends adjacent to the drive roller 28. These flexible strips 82 s 'extend towards and into the slot 80 and remain trapped in this slot during the pivoting movement of the conveyor 16.
  • the transfer device further comprises a pair of transfer rollers 84, 86 arranged downstream of the guide slot and ensuring the transfer of the bundles of sheets advanced by the conveyor 16 to the finishing unit of the machine 12.
  • FIG. 10 Another important feature of the machine is shown in FIG. 10.
  • the machine is equipped with a common drive for the conveyor 16 and its finishing unit.
  • a drive pulley 90 on the side of the frame 18.
  • a belt 92 is mounted on the pulley 90 and a pulley of reduction 94.
  • This reduction pulley 94 is integral with two distribution pulleys 96.
  • belts 98 and 100 the rotation of pulleys 96 is transmitted to a pulley 102 integral with the drive shaft 30 and a pulley 104 integral with the roller 84, respectively.
  • the common drive ensures perfect synchronization of the operation of the conveyor with that of the machine 12.
  • the conveyor 16 When it is necessary to open the door 14 of the machine 10, the conveyor 16 is pivoted to its raised position, by a very easy manual operation, as assisted by the gas spring 20. After the door 14 is closed, it suffices to return the conveyor 16 to its low position, defined by a stop on the frame 18.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

To prevent the displacement of a sheet finisher (12) coupled to a printing machine or copying machine (10), a device is proposed for transferring stacks of sheets emerging from the printing machine or copying machine (10) towards the stack-finishing machine (12). The printing machine or copying machine (10) has a door (14) with an opening for ejecting the stacks and the said sheet finisher (12) has an entry side opposite this opening, this door (14) opening towards the entry side of the sheet finisher (12). The device comprises a conveyor (16) articulated in a frame (18) integral with the sheet finisher (12) about a horizontal shaft (A) and having a length such that its free end, during a pivoting of the conveyor (16) from a low position adjacent to the said ejection opening towards a raised position, follows a path not obstructed by the said printing machine or copying machine (10), the said door (14), in the raised position of the said conveyor (16), being capable of being opened freely without displacement of the said sheet finisher (12). <IMAGE>

Description

La présente invention concerne un dispositif de transfert de liasses de feuilles sortant d'une machine imprimante ou copieuse vers une machine de finition des liasses, en particulier pour une machine imprimante ou copieuse ayant une porte avec une ouverture d'éjection des liasses ainsi qu'une machine de finition ayant un côté d'entrée qui fait face à cette ouverture, la porte s'ouvrant vers le côté d'entrée de la machine de finition.The present invention relates to a device for transferring bundles of sheets leaving a printing or copying machine to a machine for finishing bundles, in particular for a printing or copying machine having a door with a bundle ejection opening as well as a finishing machine having an entry side which faces this opening, the door opening towards the entry side of the finishing machine.

Il est courant d'associer une machine telle qu'une imprimante ou copieuse avec un train d'accessoires tels qu'une agrafeuse, une plieuse, une machine de découpage, une encolleuse ou une table d'empilage. Ces accessoires, que l'on peut d'une manière plus générale appeler des machines de finition des liasses, prennent en charge les liasses de feuilles, ou lés feuilles en mode de feuille à feuille, sortant de la machine imprimante ou copieuse par une ouverture d'éjection. La machine de finition, ou la première machine accessoire dans le cas d'un train de ces machines, est alors généralement immédiatement accolée à la machine imprimante ou copieuse pour permettre un transfert direct des liasses éjectées de l'imprimante ou de la copieuse vers la machine de finition. Dans certains cas, l'ouverture d'éjection des liasses est prévue dans une porte de la machine imprimante ou copieuse, cette porte, lorsqu'elle est ouverte, permettant l'accès à la machine pour son débourrage en cas de besoin ou le remplacement des consommables. Pour pouvoir ouvrir la porte, il est donc nécessaire de reculer la machine de finition, ou le cas échéant, le train complet d'accessoires associé à la machine imprimante ou copieuse. Lorsque l'intervention est terminée, on referme la porte pour ensuite avancer la machine de finition dans sa position accolée à la machine imprimante ou copieuse. Bien que les différents accessoires soient généralement montés sur roulettes, leur déplacement est néanmoins difficile et, par ailleurs, délicat, étant donné leur poids important et la nécessité d'un repositionnement correct des accessoires entre eux et par rapport à la machine imprimante ou copieuse. Puisque les machines modernes travaillent à des cadences élevées, la nécessité de procéder à ces opérations de débourrage ou de remplissage se présente fréquemment. Malgré ces inconvénients apparents, aucun remède n'a été proposé dans l'état de l'art.It is common to associate a machine such as a printer or copier with a train of accessories such as a stapler, a folder, a cutting machine, a gluing machine or a stacking table. These accessories, which can more generally be called bundle finishing machines, handle bundles of sheets, or sheets in sheet-by-sheet mode, leaving the printer or copying machine through an opening. ejection. The finishing machine, or the first accessory machine in the case of a train of these machines, is then generally immediately attached to the printing or copying machine to allow direct transfer of the bundles ejected from the printer or from the copying machine to the finishing machine. In some cases, the bundle ejection opening is provided in a door of the printing or copying machine, this door, when it is open, allowing access to the machine for cleaning it in case of need or replacement consumables. To be able to open the door, it is therefore necessary to move the finishing machine back, or if necessary, the complete set of accessories associated with the printer or copying machine. When the intervention is finished, the door is closed and the advancement of the finishing machine to its position next to the printing or copying machine. Although the various accessories are generally mounted on casters, their moving is nevertheless difficult and, moreover, delicate, given their high weight and the need for correct repositioning of the accessories between them and relative to the printer or copying machine. Since modern machines work at high rates, the need to carry out these cleaning or filling operations frequently arises. Despite these apparent drawbacks, no remedy has been proposed in the state of the art.

La présente invention offre une solution à ces problèmes, par un dispositif de transfert de liasses qui est caractérisé en ce qu'il comprend un convoyeur articulé dans un bâti solidaire de la machine de finition autour d'un axe horizontal et présentant une longueur telle que son extrémité libre, lors d'un pivotement du convoyeur à partir d'une position basse adjacente à l'ouverture d'éjection de la machine imprimante ou copieuse vers une position relevée, suive un parcours non obstrué par la machine imprimante ou copieuse, la porte, en position relevée du convoyeur, pouvant être ouverte librement sans déplacement de la machine de finition. Le convoyeur constitue donc une sorte de pont mobile entre les deux machines, ces machines n'étant plus immédiatement accolées, mais espacées suffisamment pour permettre l'ouverture de la porte lorsque le convoyeur est dans sa position relevée. La machine de finition, ou le train d'accessoires, peut donc rester immobile.The present invention offers a solution to these problems, by a bundle transfer device which is characterized in that it comprises a conveyor articulated in a frame integral with the finishing machine around a horizontal axis and having a length such that its free end, during a pivoting of the conveyor from a low position adjacent to the ejection opening of the printing or copying machine towards a raised position, follows a path not obstructed by the printing or copying machine, the door, in the raised position of the conveyor, which can be opened freely without moving the finishing machine. The conveyor therefore constitutes a kind of movable bridge between the two machines, these machines no longer being immediately attached, but spaced enough to allow the door to open when the conveyor is in its raised position. The finishing machine, or the accessory train, can therefore remain stationary.

De préférence, le convoyeur est monté en porte-à-faux, de telle sorte qu'aucune modification n'est nécessaire au niveau de la machine imprimante ou copieuse. Dans le même but, la position basse du convoyeur est de préférence définie par des moyens de butée agencés sur la machine de finition. Le cas échéant, on prévoit des moyens de verrouillage disposés sur la machine de finition pour verrouiller le convoyeur dans sa position basse.Preferably, the conveyor is cantilevered, so that no modification is necessary at the level of the printing or copying machine. For the same purpose, the low position of the conveyor is preferably defined by stop means arranged on the finishing machine. If necessary, locking means are provided arranged on the finishing machine to lock the conveyor in its low position.

Pour faciliter le basculement du convoyeur, son mouvement pivotant est de préférence assisté par un vérin, de préférence un vérin à gaz. Ce vérin peut en même temps constituer une butée pour la position basse du convoyeur.To facilitate the tilting of the conveyor, its pivoting movement is preferably assisted by a jack, preferably a gas jack. This cylinder can at the same time constitute a stop for the low position of the conveyor.

D'autres détails et particularités de l'invention ressortiront de la description ci-après, donnée en référence aux dessins dans lesquels:

Les fig. 1 et 2
sont des vues en plan très schématiques illustrant deux machines disposées selon l'état de l'art;
la fig. 3
est une vue en plan schématique des mêmes machines, disposées selon l'invention;
la fig. 4
est une vue schématique en élévation montrant les deux machines espacées et à convoyeur basculant constituant un pont mobile entre les machines;
la fig. 5
est une vue partielle correspondant à la fig. 4, mais à plus grande échelle;
la fig. 6
est une vue schématique en plan du convoyeur articulé dans un bâti solidaire de la machine de finition;
la fig. 7
est une vue en coupe schématique suivant la ligne VII-VII à la fig. 6;
la fig. 8
est une vue en élévation schématique de l'extrémité libre du convoyeur;
la fig. 9
est une vue schématique en élévation montrant l'articulation du convoyeur dans le bâti de la machine de finition;
la fig. 10
montre l'entraînement commun du convoyeur et de la machine de finition;
la fig. 11
montre schématiquement l'extrémité articulée du convoyeur et son arbre d'entraînement; et
la fig. 12
montre un système de butée du convoyeur.
Other details and particularities of the invention will emerge from the description below, given with reference to the drawings in which:
Figs. 1 and 2
are very schematic plan views illustrating two machines arranged according to the state of the art;
fig. 3
is a schematic plan view of the same machines, arranged according to the invention;
fig. 4
is a schematic elevational view showing the two machines spaced apart and with tilting conveyor constituting a movable bridge between the machines;
fig. 5
is a partial view corresponding to FIG. 4, but on a larger scale;
fig. 6
is a schematic plan view of the conveyor articulated in a frame integral with the finishing machine;
fig. 7
is a schematic sectional view along line VII-VII in FIG. 6;
fig. 8
is a schematic elevational view of the free end of the conveyor;
fig. 9
is a schematic elevational view showing the articulation of the conveyor in the frame of the finishing machine;
fig. 10
shows the common drive of the conveyor and the finishing machine;
fig. 11
schematically shows the articulated end of the conveyor and its drive shaft; and
fig. 12
shows a stop system for the conveyor.

On a montré aux fig. 1 et 2 une machine imprimante ou copieuse 10 et une machine de finition 12 accolée à cette machine 10. Pour simplifier l'exposé, la machine de finition n'est constituée que par une seule unité, par exemple une machine agrafeuse. Il est toutefois courant d'associer à la machine 10 un train d'accessoires tels qu'une agrafeuse, une plieuse et une machine à découper, éventuellement formant un bloc unitaire.We have shown in fig. 1 and 2 a printing or copying machine 10 and a finishing machine 12 attached to this machine 10. To simplify the description, the finishing machine is made up of only one unit, for example a stapling machine. It is however common to associate machine 10 with a train of accessories such as a stapler, a folder and a cutting machine, possibly forming a unitary block.

La machine 10 présente une porte 14 articulée sur un axe vertical, comme représenté à la fig. 2. Cette porte 14 est pourvue d'une ouverture d'éjection pour les liasses de feuilles produites par la machine 10. La machine 12 fait donc face à la porte 14 par son côté d'entrée pour permettre le transfert direct des liasses de feuilles sortant de l'ouverture de la porte 14 vers la machine 12. La porte 14 permet l'accès à l'intérieur de la machine 10 pour la débourrer en cas de besoin ou pour remplacer les consommables. Avant de pouvoir ouvrir la porte 14, la machine 12 doit être reculée, comme on le voit à la fig. 2.The machine 10 has a door 14 articulated on a vertical axis, as shown in FIG. 2. This door 14 is provided with an ejection opening for the bundles of sheets produced by the machine 10. The machine 12 therefore faces the door 14 by its input side to allow direct transfer of the bundles of sheets leaving the opening of the door 14 towards the machine 12. The door 14 allows access to the interior of the machine 10 to unclog it if necessary or to replace the consumables. Before the door 14 can be opened, the machine 12 must be moved back, as seen in FIG. 2.

Selon l'invention, illustrée à la fig. 3, la machine 12 est disposée de manière fixe à une distance D devant la porte 14 de la machine 10. Cette distance D est suffisante pour permettre l'ouverture libre de la porte 14. Les machines 10, 12 sont reliées par un dispositif de transfert qui comporte un convoyeur mobile 16.According to the invention, illustrated in FIG. 3, the machine 12 is fixedly disposed at a distance D in front of the door 14 of the machine 10. This distance D is sufficient to allow the free opening of the door 14. The machines 10, 12 are connected by a device transfer which includes a mobile conveyor 16.

Comme il ressort des fig. 4 et 5, ce convoyeur 16 est monté à pivotement et en porte-à-faux dans un bâti 18 de la machine 12. Le mouvement de pivotement du convoyeur 16 est assisté par un ou plusieurs vérins à gaz 20. Par sa tige,le vérin 20 s'appuie sur le bâti 18, le cylindre étant relié à la structure du convoyeur 16 par l'intermédiaire d'une équerre. Comme le montre la fig. 12, la partie cylindrique du vérin 20 vient buter sur le bâti 18. Comme on le voit à la fig. 5, le convoyeur 16, lorsqu'il est dans sa position basse, est incliné vers l'ouverture de sortie de la machine 10, représentée schématiquement par une flèche horizontale F, le niveau de cette ouverture de sortie étant inférieur à celui de l'axe de pivotement A du convoyeur 16. Lors du pivotement du convoyeur 16, son extrémité libre se déplace selon un arc de cercle qui passe dans un évidement 14A de la porte 14 et à proximité d'un rebourd en saillie 10A de la machine 10 qui délimite vers le haut l'ouverture de la machine 10 fermée par la porte 14. L'espacement minimum entre ce rebord 10A et la trajectoire de l'extrémité libre du convoyeur 16 est par exemple d'environ 5 mm. A son extrémité libre, le convoyeur 16 porte plusieurs lamelles flexibles 22 qui prolongent la table de transport 24 du convoyeur 16 et sont destinées à s'appuyer sur le bord inférieur de l'ouverture de sortie de la machine 10. Lorsque le convoyeur 16 est soulevé, les lamelles 22 touchent le rebord 10A et fléchissent pour ne pas faire obstacle au pivotement du convoyeur dans sa position relevée.As shown in figs. 4 and 5, this conveyor 16 is pivotally mounted and cantilevered in a frame 18 of the machine 12. The pivoting movement of the conveyor 16 is assisted by one or more gas cylinders 20. By its rod, the cylinder 20 is supported on the frame 18, the cylinder being connected to the structure of the conveyor 16 via a bracket. As shown in fig. 12, the cylindrical part of the jack 20 abuts on the frame 18. As can be seen in FIG. 5, the conveyor 16, when in its low position, is inclined towards the outlet opening of the machine 10, represented schematically by a horizontal arrow F, the level of this outlet opening being lower than that of the pivoting axis A of the conveyor 16. When the conveyor 16 is pivoted, its free end moves in an arc which passes through a recess 14A in the door 14 and near a raised rebound 10A of the machine 10 which upwards delimits the opening of the machine 10 closed by the door 14. The minimum spacing between this flange 10A and the trajectory of the free end of the conveyor 16 is for example around 5 mm. At its free end, the conveyor 16 carries several flexible strips 22 which extend the transport table 24 of the conveyor 16 and are intended to bear on the lower edge of the outlet opening of the machine 10. When the conveyor 16 is raised, the slats 22 touch the rim 10A and flex so as not to obstruct the pivoting of the conveyor in its raised position.

Le convoyeur 16 est du type à courroie, le brin supérieur 26A de la courroie 26 passant par-dessus la table de transport 24 et le brin inférieur 26B étant disposé en dessous de celle-ci. A l'extrémité articulée du convoyeur 16, la courroie 26 est montée sur un rouleau d'entraînement 28. Le rouleau d'entraînement 28 est relié à un arbre d'entraînement 30 (fig. 11) dont l'axe est confondu avec l'axe de pivotement A du convoyeur 16. L'arbre de transmission 30 est monté dans des paliers 32 fixés sur la face inférieure de la table de transport 24 et dans des paliers 34, 36 fixés aux flasques 18A, 18B du bâti 18.The conveyor 16 is of the belt type, the upper strand 26A of the belt 26 passing over the conveyor table 24 and the lower strand 26B being arranged below the latter. At the articulated end of the conveyor 16, the belt 26 is mounted on a drive roller 28. The drive roller 28 is connected to a drive shaft 30 (fig. 11) whose axis coincides with the the pivot axis A of the conveyor 16. The transmission shaft 30 is mounted in bearings 32 fixed on the underside of the transport table 24 and in bearings 34, 36 fixed to the flanges 18A, 18B of the frame 18.

Un rail 40 d'une section en U surplombe la courroie 26 à distance de celle-ci et de la table de transport 24. Comme on le voit à la fig. 6, ce rail 40, et la courroie 26, sont inclinés par rapport à la direction longitudinale de la table de transport 24. A l'extrémité libre 16A du convoyeur 16, la courroie 26 est montée sur un rouleau de renvoi 41 (fig. 8) disposé sensiblement au milieu de l'extrémité libre de la table de transport 24. Par contre, le rouleau d'entraînement 28 est proche du flasque 18B du bâti 18, le rail 40 et la courroie 26 faisant un angle d'environ 5° avec la direction longitudinale de la table de transport 24. Le rail 40 présente une série d'alvéoles 42 espacées régulièrement sur sa longueur. Dans chacune des alvéoles 42, une bille 44 est montée à rotation libre, les billes 44 reposent par gravité sur la face supérieure de la courroie 26.A rail 40 of a U-shaped section overhangs the belt 26 at a distance from the latter and from the transport table 24. As can be seen in FIG. 6, this rail 40, and the belt 26, are inclined relative to the longitudinal direction of the transport table 24. At the free end 16A of the conveyor 16, the belt 26 is mounted on a deflection roller 41 (fig. 8) disposed substantially in the middle of the free end of the transport table 24. On the other hand, the drive roller 28 is close to the flange 18B of the frame 18, the rail 40 and the belt 26 making an angle of approximately 5 ° with the longitudinal direction of the transport table 24. The rail 40 has a series of cells 42 regularly spaced along its length. In each of the cells 42, a ball 44 is mounted to rotate freely, the balls 44 rest by gravity on the upper face of the belt 26.

Puisque la courroie 26 s'étend de manière inclinée par rapport à la direction longitudinale de la table de transport 24, les axes du rouleau d'entraînement 28 et du rouleau de renvoi 41 sont inclinés d'une même valeur par rapport à la direction transversale de la table de transport 24. L'axe du rouleau d'entraînement 28, monté dans des paliers 50 fixés sous la table de transport 24, est relié à l'arbre d'entraînement 30 par l'intermédiaire d'un ressort d'accouplement 52 qui assure le renvoi d'angle entre les axes de l'arbre 30 et du rouleau 28.Since the belt 26 extends inclined relative to the longitudinal direction of the transport table 24, the axes of the drive roller 28 and the deflection roller 41 are inclined by the same value relative to the transverse direction of the transport table 24. The axis of the drive roller 28, mounted in bearings 50 fixed under the transport table 24, is connected to the drive shaft 30 by means of a spring. coupling 52 which ensures the angle transmission between the axes of the shaft 30 and of the roller 28.

A son extrémité voisine du rouleau de renvoi 41, le rail 40 porte une paire de bras 60 articulés autour d'un axe horizontal 62 et portant, à leur tour, un galet de pinçage 64 sollicité en contact avec le brin supérieur 26A de la courroie 26, au droit du rouleau de renvoi 41.At its end near the deflection roller 41, the rail 40 carries a pair of arms 60 articulated around a horizontal axis 62 and carrying, in their turn, a pinching roller 64 urged into contact with the upper strand 26A of the belt 26, in line with the idler roller 41.

Le rail 40, et un second rail 66 de section en U, sont portés par deux tiges transversales 68, 70 dont les extrémités sont fixées à des parois latérales 72 et 74 du convoyeur 16. La paroi latérale 74 forme une butée d'alignement pour les liasses de feuilles avancées par le convoyeur. Le rail 66 s'étend parallèlement à l'autre paroi latérale 74.Rail 40, and a second rail 66 of U-shaped section, are carried by two rods transverse 68, 70 whose ends are fixed to side walls 72 and 74 of the conveyor 16. The side wall 74 forms an alignment stop for the bundles of sheets advanced by the conveyor. The rail 66 extends parallel to the other side wall 74.

Le rail 40 constitue un support pour les billes 44 et, en même temps, une protection de la courroie 26. A son tour, le rail 66 constitue un déflecteur pour les feuilles de la liasse avancée par la courroie 26 sur la table de transport 24.The rail 40 constitutes a support for the balls 44 and, at the same time, a protection for the belt 26. In turn, the rail 66 constitutes a deflector for the sheets of the bundle advanced by the belt 26 on the transport table 24 .

Comme on le voit à la fig. 9, le rail 40 s'arrête bien avant le plan vertical passant par l'axe de pivotement A du convoyeur 16 pour créer un écart de sécurité entre l'arête 40A à son extrémité libre et les parties voisines du dispositif lorsque le convoyeur se trouve dans sa position relevée, montrée en traits interrompus à la fig. 9. Dans cette position, l'arête 40A se trouve à une distance d'environ 25 mm ou davantage d'une tôle supérieure de guidage 76 qui délimite avec une tôle de guidage inférieure 78 une fente de guidage 80 pour les liasses sortant du convoyeur 16. L'écart de sécurité ainsi créé entre l'arête 40A et la tôle de guidage 76 est un aspect important du dispositif puisqu'il évite tout risque de blessure d'un opérateur qui aurait placé son doigt sur le bord avant de la tôle 76 ou sur l'extrémité du rail 40.As seen in fig. 9, the rail 40 stops well before the vertical plane passing through the pivot axis A of the conveyor 16 to create a safety gap between the edge 40A at its free end and the neighboring parts of the device when the conveyor is located in its raised position, shown in broken lines in FIG. 9. In this position, the edge 40A is located at a distance of approximately 25 mm or more from an upper guide plate 76 which delimits with a lower guide plate 78 a guide slot 80 for the bundles leaving the conveyor. 16. The safety gap thus created between the edge 40A and the guide plate 76 is an important aspect of the device since it avoids any risk of injury to an operator who would have placed his finger on the front edge of the sheet. 76 or on the end of the rail 40.

Pour assurer un guidage sans discontinuité des liasses de feuilles sortant du convoyeur 16 et entrant dans la fente 80, les rails 40, 66 et 74 portent chacun une lamelle flexible 82 à leurs extrémités voisines du rouleau d'entraînement 28. Ces lamelles flexibles 82 s'étendent vers et dans la fente 80 et restent prisonnières dans cette fente lors du mouvement pivotant du convoyeur 16.To ensure continuous guidance of the bundles of sheets leaving the conveyor 16 and entering the slot 80, the rails 40, 66 and 74 each carry a flexible strip 82 at their ends adjacent to the drive roller 28. These flexible strips 82 s 'extend towards and into the slot 80 and remain trapped in this slot during the pivoting movement of the conveyor 16.

Le dispositif de transfert comporte en outre une paire de rouleaux de transfert 84, 86 disposés en aval de la fente de guidage et assurant le transfert des liasses de feuilles avancées par le convoyeur 16 vers l'unité de finition de la machine 12.The transfer device further comprises a pair of transfer rollers 84, 86 arranged downstream of the guide slot and ensuring the transfer of the bundles of sheets advanced by the conveyor 16 to the finishing unit of the machine 12.

Une autre particularité importante de la machine ressort de la fig. 10. La machine est équipée d'un entraînement commun pour le convoyeur 16 et son unité de finition. A la fig. 10, on voit une poulie d'entraînement 90 sur le côté du bâti 18. Une courroie 92 est montée sur la poulie 90 et une poulie de réduction 94. Cette poulie de réduction 94 est solidaire de deux poulies de distribution 96. Par des courroies 98 et 100, la rotation des poulies 96 est transmise à une poulie 102 solidaire de l'arbre d'entraînement 30 et une poulie 104 solidaire du rouleau 84, respectivement. L'entraînement commun assure une synchronisation parfaite du fonctionnement du convoyeur avec celui de la machine 12.Another important feature of the machine is shown in FIG. 10. The machine is equipped with a common drive for the conveyor 16 and its finishing unit. In fig. 10, we see a drive pulley 90 on the side of the frame 18. A belt 92 is mounted on the pulley 90 and a pulley of reduction 94. This reduction pulley 94 is integral with two distribution pulleys 96. By belts 98 and 100, the rotation of pulleys 96 is transmitted to a pulley 102 integral with the drive shaft 30 and a pulley 104 integral with the roller 84, respectively. The common drive ensures perfect synchronization of the operation of the conveyor with that of the machine 12.

En fonctionnement, lorsque le convoyeur se trouve à sa position basse, les liasses de feuilles sortant de la machine 10 suivant la flèche F (fig. 5) sont aussitôt introduites dans la fente entre le gaiet de pinçage 64 et la courroie 26 pour être prises en charge par le convoyeur 16. Par les billes 44, les feuilles de la liasse sont appliquées contre la courroie 26. Lors de la progression d'une liasse de feuilles sur la table de transport 24, le rail 66 évite toute tendance des feuilles à s'envoler. Bien que la courroie 26 soit parfaitement protégée par le rail 40, le convoyeur est librement accessible de tous les côtés pour permettre un débourrage en cas de nécessité. Lorsque les liasses de feuilles sortent du convoyeur 16, leur bord avant est introduit dans la fente 80 formée entre les tôles de guidage 76 et 78, la continuité du guidage entre le rail 40 et la tôle supérieure de guidage 76 étant assurée par la lamelle flexible 82. Ensuite, la liasse est prise en charge par les rouleaux de transfert 84, 86, pour être transférée vers l'unité de finition de la machine 12.In operation, when the conveyor is in its low position, the bundles of sheets leaving the machine 10 along the arrow F (FIG. 5) are immediately introduced into the slot between the clamping pin 64 and the belt 26 to be taken loaded by the conveyor 16. By the balls 44, the sheets of the bundle are applied against the belt 26. During the progression of a bundle of sheets on the transport table 24, the rail 66 avoids any tendency of the sheets to fly away. Although the belt 26 is perfectly protected by the rail 40, the conveyor is freely accessible from all sides to allow cleaning in case of need. When the bundles of leaves come out of the conveyor 16, their front edge is introduced into the slot 80 formed between the guide plates 76 and 78, the continuity of the guide between the rail 40 and the upper guide plate 76 being ensured by the flexible lamella 82. Next, the bundle is taken up by the transfer rollers 84, 86, to be transferred to the finishing unit of the machine 12.

Pour ajuster la hauteur de l'extrémité libre du convoyeur 16 par rapport au niveau du bord inférieur de l'ouverture de sortie de la machine 10, il suffit de régler en hauteur les roulettes sur lesquelles la machine 12 est montée.To adjust the height of the free end of the conveyor 16 relative to the level of the lower edge of the outlet opening of the machine 10, it suffices to adjust the height of the rollers on which the machine 12 is mounted.

Lorsqu'il est nécessaire d'ouvrir la porte 14 de la machine 10, le convoyeur 16 est pivoté vers sa position relevée, par une opération manuelle très aisée, car assistée par le vérin à gaz 20. Après la fermeture de la porte 14, il suffit de ramener le convoyeur 16 à sa position basse, définie par une butée sur le bâti 18.When it is necessary to open the door 14 of the machine 10, the conveyor 16 is pivoted to its raised position, by a very easy manual operation, as assisted by the gas spring 20. After the door 14 is closed, it suffices to return the conveyor 16 to its low position, defined by a stop on the frame 18.

Claims (17)

Dispositif de transfert de liasses de feuilles sortant d'une machine imprimante ou copieuse (10) vers une machine de finition (12) des liasses, ladite machine imprimante ou copieuse (10) ayant une porte (14) avec une ouverture d'éjection des liasses et ladite machine de finition (12) ayant un côté d'entrée faisant face à cette ouverture, et ladite porte (14) s'ouvrant vers ledit côté d'entrée de la machine de finition (12), caractérisé en ce qu'il comprend un convoyeur (16) articulé dans un bâti (18) solidaire de ladite machine de finition (12) autour d'un axe horizontal (A) et présentant une longueur telle que son extrémité libre, lors d'un pivotement du convoyeur (16) à partir d'une position basse adjacente à ladite ouverture d'éjection vers une position relevée, suive un parcours non obstrué par ladite machine imprimante ou copieuse (10), ladite porte (14), en position relevée dudit convoyeur (16), pouvant être ouverte librement sans déplacement de ladite machine de finition (12).Device for transferring bundles of sheets leaving a printing or copying machine (10) to a finishing machine (12) for bundles, said printing or copying machine (10) having a door (14) with an opening for ejecting the bundles and said finishing machine (12) having an entry side facing this opening, and said door (14) opening towards said entry side of the finishing machine (12), characterized in that it comprises a conveyor (16) articulated in a frame (18) integral with said finishing machine (12) around a horizontal axis (A) and having a length such that its free end, during a pivoting of the conveyor ( 16) from a low position adjacent to said ejection opening towards a raised position, follows a path not obstructed by said printing or copying machine (10), said door (14), in the raised position of said conveyor (16) , which can be opened freely without moving said mach finishing ine (12). Dispositif suivant la revendication 1, caractérisé en ce que ledit convoyeur (16) est monté en porte-à-faux.Device according to claim 1, characterized in that said conveyor (16) is mounted in cantilever. Dispositif suivant l'une ou l'autre des revendications 1 et 2, caractérisé en ce que le mouvement pivotant dudit convoyeur (16) est assisté par vérin (20).Device according to either of Claims 1 and 2, characterized in that the pivoting movement of the said conveyor (16) is assisted by a jack (20). Dispositif suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que la position basse dudit convoyeur (16) est définie par des moyens de butée agencés sur ladite machine de finition (12).Device according to any one of claims 1 to 3, characterized in that the low position of said conveyor (16) is defined by stop means arranged on said finishing machine (12). Dispositif suivant la revendication 4, caractérisé en ce que ladite position basse du convoyeur (16) est ajustable par un réglage en hauteur de ladite machine de finition (12).Device according to claim 4, characterized in that said lower position of the conveyor (16) is adjustable by a height adjustment of said finishing machine (12). Dispositif suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que ledit convoyeur (16) est à courroie (26) et présente un rouleau d'entraînement (28) à son extrémité articulée dans ledit bâti (18), ledit rouleau (28) étant relié à un arbre d'entraînement (30) dont l'axe est confondu avec l'axe de pivotement (A) dudit convoyeur (16).Device according to any one of Claims 1 to 5, characterized in that the said conveyor (16) is belt (26) and has a roller drive (28) at its hinged end in said frame (18), said roller (28) being connected to a drive shaft (30) whose axis coincides with the pivot axis (A) of said conveyor (16). Dispositif suivant la revendication 6, caractérisé en ce que la courroie (26) est inclinée par rapport à la direction longitudinale d'une table de transport (24) du convoyeur (16) en direction d'une butée longitudinale d'alignement des feuilles de liasse disposée d'un côté de la table de transport (24).Device according to Claim 6, characterized in that the belt (26) is inclined relative to the longitudinal direction of a conveyor table (24) of the conveyor (16) in the direction of a longitudinal stop for aligning the sheets of bundle arranged on one side of the transport table (24). Dispositif suivant l'une ou l'autre des revendications 6 et 7, caractérisé en ce qu'un premier rail (40) est monté au dessus de ladite table de transport (24) parallèlement à ladite courroie (26) et présente une série d'alvéoles (42) espacées dans le sens longitudinal du rail (40), une bille (44) étant montée à rotation libre et en contact, par gravité, avec ladite courroie (26), dans chacune desdites alvéoles (42).Device according to either of Claims 6 and 7, characterized in that a first rail (40) is mounted above said transport table (24) parallel to said belt (26) and has a series of 'cells (42) spaced in the longitudinal direction of the rail (40), a ball (44) being mounted for free rotation and in contact, by gravity, with said belt (26), in each of said cells (42). Dispositif suivant la revendication 8, caractérisé en ce qu'un second rail (66) est monté au dessus de ladite table de transport (24) à côté dudit premier rail (40) et dans le même plan que celui-ci.Device according to claim 8, characterized in that a second rail (66) is mounted above said transport table (24) next to said first rail (40) and in the same plane as the latter. Dispositif suivant la revendication 9, caractérisé en ce que les premier et second rails (40, 66) sont portés par deux tiges transversales (68, 70).Device according to claim 9, characterized in that the first and second rails (40, 66) are carried by two transverse rods (68, 70). Dispositif suivant l'une quelconque des revendications 6 à 10, caractérisé en ce que ledit convoyeur (16) présente à son extrémité libre un rouleau de renvoi (41) et un galet de pinçage (64) sollicité en contact avec ledit rouleau de renvoi (41).Device according to any one of Claims 6 to 10, characterized in that said conveyor (16) has at its free end a deflection roller (41) and a pinching roller (64) urged into contact with said deflection roller ( 41). Dispositif suivant l'une quelconque des revendications 8 à 11, caractérisé en ce que l'extrémité dudit premier rail (40) voisine du rouleau d'entraînement (28) est espacée de l'axe de pivotement (A) du convoyeur (16) d'une valeur suffisante pour que, en position relevée du convoyeur (16), un écart de sécurité d'au moins environ 25 mm subsiste entre l'arête (40A) de cette extrémité et les parties du dispositif opposées à cette arête (40A).Device according to any one of Claims 8 to 11, characterized in that the end of said first rail (40) adjacent to the drive roller (28) is spaced from the pivot axis (A) of the conveyor (16) of sufficient value so that, in the raised position of the conveyor (16), a safety gap of at least about 25 mm remains between the edge (40A) of this end and the parts of the device opposite this edge (40A ). Dispositif suivant l'une quelconque des revendications 1 à 12, caractérisé en ce qu'il comprend une fente de guidage (80) en aval dudit convoyeur (16), et ledit convoyeur porte au moins une lamelle flexible (82) s'étendant vers et dans ladite fente (80).Device according to any one of Claims 1 to 12, characterized in that it comprises a guide slot (80) downstream of said conveyor (16), and said conveyor carries at least one flexible lamella (82) extending towards and into said slot (80). Dispositif suivant les revendications 12 et 13, caractérisé en ce que le premier (40) et le second rail (66) ainsi qu'un élément de butée latérale (74) portent chacun une lamelle flexible (82) qui s'étend dans ladite fente de guidage (80).Device according to Claims 12 and 13, characterized in that the first (40) and the second rail (66) as well as a lateral stop element (74) each carry a flexible strip (82) which extends in said slot guide (80). Dispositif suivant l'une quelconque des revendications 1 à 14, caractérisé en ce que le convoyeur (16) présente à son extrémité libre au moins une lamelle flexible de guidage (22) destinée à s'appuyer sur le bord inférieur de ladite ouverture d'éjection et à s'effacer au contact avec une partie en saillie (10A) de la machine imprimante ou la copieuse (10) lors du pivotement du convoyeur (16).Device according to any one of Claims 1 to 14, characterized in that the conveyor (16) has at its free end at least one flexible guide strip (22) intended to bear on the lower edge of said opening. ejection and to be erased in contact with a projecting part (10A) of the printing machine or the copying machine (10) during the pivoting of the conveyor (16). Dispositif suivant l'une quelconque des revendications 1 à 15, caractérisé en ce qu'il comprend une paire de rouleaux de transfert (84, 86) en aval dudit convoyeur (16) et en amont de ladite machine de finition (12).Device according to any one of claims 1 to 15, characterized in that it comprises a pair of transfer rollers (84, 86) downstream of said conveyor (16) and upstream of said finishing machine (12). Dispositif suivant l'une quelconque des revendications 1 à 16, caractérisé en ce qu'un entraînement commun (90, 94, 96) est prévu pour le convoyeur (16) et pour la machine de finition (12).Device according to any one of Claims 1 to 16, characterized in that a common drive (90, 94, 96) is provided for the conveyor (16) and for the finishing machine (12).
EP94105783A 1993-06-02 1994-04-14 Device for transferring stacks of sheets from a printing or copying machine to a sheet finisher Ceased EP0627379A1 (en)

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FR9306582A FR2705953B1 (en) 1993-06-02 1993-06-02 Device for transferring bundles of sheets from a printing or copying machine to a finishing machine.
FR9306582 1993-06-02

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BUDDENDECK: "AUTOMATIC SIDE REGISTRATION FOR FINISHER", XEROX DISCLOSURE JOURNAL, vol. 3, no. 6, 1 November 1978 (1978-11-01), pages 413 - 414 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748011A1 (en) * 1996-04-25 1997-10-31 C P Bourg Sa Printing machine interface module

Also Published As

Publication number Publication date
FR2705953B1 (en) 1995-08-04
JPH0733303A (en) 1995-02-03
FR2705953A1 (en) 1994-12-09
US5431388A (en) 1995-07-11

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