EP2465695B1 - Procédé et dispositif destinés à comprimer un bloc de livre - Google Patents

Procédé et dispositif destinés à comprimer un bloc de livre Download PDF

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Publication number
EP2465695B1
EP2465695B1 EP11193159.8A EP11193159A EP2465695B1 EP 2465695 B1 EP2465695 B1 EP 2465695B1 EP 11193159 A EP11193159 A EP 11193159A EP 2465695 B1 EP2465695 B1 EP 2465695B1
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EP
European Patent Office
Prior art keywords
pressing body
pressing
book block
gear
longitudinal axis
Prior art date
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EP11193159.8A
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German (de)
English (en)
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EP2465695A1 (fr
Inventor
Thomas Friese
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Mueller Martini Holding AG
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Mueller Martini Holding AG
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Publication of EP2465695A1 publication Critical patent/EP2465695A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C5/00—Preparing the edges or backs of leaves or signatures for binding
    • B42C5/02—Preparing the edges or backs of leaves or signatures for binding by rounding or backing

Definitions

  • the invention relates to a method for pressing a book block with rounded back according to claim 1 and an apparatus therefor according to claim 14 and a book production line with such a device.
  • each individual signatures comprising several pages of a book.
  • individual pages can be linked directly.
  • the signatures are first folded into stacks until a desired page size is available for a book block.
  • the folded sheets of a book block are precisely back to back superimposed and tied there, so that a common flat block back arises.
  • the procedure is analogous, so that a book block with a flat block spine is also created.
  • the rounding, the signatures and / or single sheets are displaced in a direction perpendicular to the block spine parallel to each other.
  • the middle folded sheets emerge with their backs from the flat block spine and there is a round back of the book block.
  • Other rounding methods work in addition to the above-described roll round principle, for example, the so-called. Hammer beam principle.
  • the interchangeable, mostly concave-shaped tools used for the known squeezing in a press beam are available in a narrow-stepped manner and are exchanged to suit the rounding of the back of the book block.
  • the replacement of these tools is usually done in a manual process and is expensive.
  • a book production line for the industrial production of books requires a fast automatic setup of each device of the book production line for job changes, especially for small and very small runs, which are understood as so-called on-demand orders and a single-book production.
  • this is hindered when manual setup processes are required.
  • the book block is clamped with rounding between two bars.
  • movements of the beams and the rounding devices are coordinated.
  • the roundness of the spine is determined by sensing the thickness of the book block used and by manual presetting.
  • the scan specifies a swing curve of the roller pressing off the spine.
  • the roller passes for pressing alternately, sometimes several times, holding the book block held in position on an arcuate path adapted to the back rounding.
  • this solution has due to the taking place in one and the same position rounding and pressing a very high mechanical complexity and a very low productivity.
  • rollers or plates which are either pressed only vertically against the back of the book block or stroke in a combined arrangement of a pressing and rounding a scan following the back.
  • a method and a device known for pressing a book block, which has a rounded back and extending along the back longitudinal axis.
  • the book block is first clamped on both sides in a region near the back parallel to the longitudinal axis of the rounded back between two clamping jaws. Thereafter, a compact is moved against the rounded back of the book block, thereby perpendicular to the longitudinal axis and in the middle of the rounded back placed on this and subsequently moved over a portion of the back.
  • the compact presses the book block on a continuously selectable, lying in a plane perpendicular to the longitudinal axis of the spine plane trajectory, parallel to the longitudinal axis of the back from.
  • the device has a clamping device with the two clamping jaws for clamping the book block on both sides and a pressing device for vertically moving the compact perpendicular to the longitudinal axis against the back of the book block, the compact following a continuously selectable path of movement, approximately parallel to the rounded back movable in the pressing device is included.
  • the object of the invention is to provide a method and a device for high-quality pressing of a book block, which can be carried out automatically or which can be operated automatically and does not require a change of order due to replacement of tools.
  • the book block to be wiped off by the method or device has a rounded spine and a longitudinal axis running along the spine and is subjected to the process steps which are described below and run one after the other.
  • the book block is first clamped on both sides in a region near the back parallel to the longitudinal axis of the rounded back between two clamping jaws. Subsequently, a compact is at least once moved against the rounded back of the firmly clamped book block, thereby perpendicular to the longitudinal axis and in the middle or at least approximately in the middle of the rounded back placed on this. In the subsequent pressing, the compact is moved over at least a portion of the spine. The compact presses the book block parallel to the longitudinal axis over the back away, where it follows at least one infinitely pre-selectable, lying in a plane perpendicular to the longitudinal axis of the back plane trajectory.
  • Preselectable means that the requirements of previous processes or changed orders can be met by adjusting parameters of the method or device. Preselecting also means that settings control the press device before or while the book block is being clamped. Such an adjustment may also occur for quality reasons during a job, such as when the speed of book production varies.
  • the device has a clamping device and a pressing device in the clamping device, two clamping jaws are arranged parallel to each other.
  • the book block can be aligned with its back parallel to its longitudinal axis between the jaws, for example, after a feeder has raised or lowered the book block in the correct position.
  • the jaws serve for clamping the book block on both sides.
  • the jaws are mounted on each other, usually in the horizontal direction, so that the book block can be clamped in a region near the back between the clamping jaws.
  • the pressing device has a movably mounted compact and is used for vertical movement of the compact perpendicular to the longitudinal axis against the back of the book block and for lifting the compact from the book block.
  • the parallel to the longitudinal axis of the spine aligned press body is placed in a preselectable position on the back.
  • the compact is in the position assumed by the placement in the pressing device following a continuously selectable path of movement over the back of the book block movable.
  • the trajectory lies in a plane spanned perpendicular to the longitudinal axis of the spine.
  • the movement of the compact normally starts! with placement in or near the center of the book block and subsequently describes an arcuate path. Due to this from the book block center outwardly extending track of the compact material displacement takes place in the back of the book block. With the material displacement is accompanied by a plastic deformation of the back, whereby the desired Abpress bin is achieved.
  • the plastic deformation caused by the compact under the support of the clamping jaws can, for example, be constant from the inside to the outside. It is considered advantageous if the plastic deformation increases from the book block center to the outside. As a result, the leaves of the finished book can be relieved because the back is stabilized by the plastic deformation.
  • Corresponding courses of the trajectory can be stored and retrieved product-related or derived from format parameters of the products to be produced, so that an automated processing of small, very small and individual editions is possible.
  • the at least one movement path of the compact is predetermined by a variably configured gear.
  • On the gear acts a first actuator.
  • the actuator adjusts the transmission according to a specification, before the compact is moved on the preselected thereby, at least one trajectory over the back of the book block.
  • the gearbox can be integrated as a robust component in the pressing device and can be steplessly controlled externally via the first actuator.
  • the compact is first moved in a first section of one of the trajectories from the center of the back outward to a first side of the BuChblocks before the compact lifted from the back of the book block and following another trajectory again to the center of the back is moved, but without having contact with the back.
  • the compact is placed again on the back of the book block and presses this, at least another section of one of the trajectories following, from the center outwards to an opposite, second side of the book block.
  • the compact is moved on its way from at least one of the two sides of the book block to the center of the back on a path which is opposite to the trajectory of the compact on its way from the center to one of the two sides of the book block having different radius. If the movement path of the compact to the middle of the spine has a larger radius, the lifting of the compact from the back is advantageously integrated into the respective trajectory. In this type of pressing is avoided that arise interference in a once pressed-off portion of the back, for example, by repainting the same portion in the reverse direction.
  • the compact may also be moved on a path to the center of the spine, which has a smaller radius than the path of travel of the previous pressing, whereby the book block can advantageously be further pressed.
  • the at least one movement path of the compact is determined by means of a control unit from book block parameters and transmitted by means of the first actuator to the transmission.
  • the compact body presses at least a portion of the back several times.
  • the first actuator can also adjust the transmission during the pressing, so that the section can be pressed in each case with increasing pressure. Repeated overpainting of the back may be beneficial for certain materials. If, in such cases, the same pressure were to be applied to the back in just a single sweep, or in other words a simple squeeze, it could possibly lead to destruction.
  • the advantage here is possibly in quality improvements. There is thus a possibility to react in particular to changes in the choice of material.
  • the trajectory or trajectories are determined in dependence on a single or several book block parameters, such as the width, the material or the type of binding of the book block, or the curvature of its back.
  • the compact is independent of the preselected trajectory during pressing against a resistance of the back movable to realize an overload protection, so that exceeding a maximum pressing pressure is avoided by avoiding the trajectory.
  • an overload protection ensures a high level of quality and a high level of operational safety.
  • the transmission is moved together with the compact vertically in a stationary frame.
  • a placement of the compact on and a lifting of the compact from the back are thus possible without changing the arrangement of the compact in the transmission.
  • a control unit and an actuator designed in particular as a drive are required in a minimal case.
  • a format adjustment device can be provided for the superimposed vertical movement of the compact.
  • this will be the top one corrected setting and lifting of the compact corrected by a vertical actuator shortened or extended a distance between a fixed point and the compact in the vertical direction.
  • the gear for moving the compact according to a first embodiment, at least two by means of the first actuator horizontally and symmetrically displaceable, designed as a carriage first gear elements each having two groove curves.
  • the transmission has at least two by means of the first actuator horizontally and symmetrically to each other or away from each other movable, designed as a lever second transmission elements each having a rotatably mounted in a respective pivoting crank lever.
  • the compact is mounted by means of a traverse in the Nutkurven or the crank levers. By means of this transmission, the movement path is preselected in that the first actuator moves the transmission elements horizontally towards or away from each other.
  • the two embodiments for the implementation of the transmission are basically the same effect.
  • the first embodiment represents a certain extent a simplification compared to the second embodiment, since pivot points are eliminated.
  • Other alternative embodiments of the transmission with coupling, crank and rocker come for similar implementation into consideration.
  • the embodiments may be performed with multiple components, for example with four transmission elements.
  • the traverse travels the trajectories in the groove curves, after the transmission elements have been moved relative to each other if necessary. What is needed is such an adjustment of the transmission, for example, when switching from a thinner to a thicker book block or book blocks with different curves.
  • the designed as a lever gear elements are shifted from each other. In both embodiments the first actuator acts exclusively in horizontal directions on the two gear elements. As a result, a different path of movement of the compact is established in the transmission.
  • the pressing body has a flat pressing surface facing the back of the book block.
  • the compact of alternative embodiments has a convex pressing surface facing the spine of the book block to be scoured.
  • This compact is preferably designed as a partial or solid cylinder.
  • the surfaces of the compacts are in particular corrugated, grooved or smooth. The device thus offers great flexibility with regard to the design of the compact. A change of the compacts due to a job change is eliminated.
  • the pressing device of the device has a variable by means of a first actuator gearbox.
  • the transmission is arranged together with the compact in the pressing device.
  • the pressing device is mounted vertically displaceable in a stationary frame.
  • the transmission has two transmission elements that are horizontally and symmetrically adjustable by the first actuator. Such transmissions are robust and inexpensive.
  • the first gear elements can advantageously be designed as horizontally displaceable carriage.
  • the transmission has an inner and an outer transmission element.
  • the inner gear member is disposed along the longitudinal axis of the back viewed at least partially within the outer gear member.
  • Each gear element has in each case at least one groove curve on opposite sides in the direction of the longitudinal axis of the back of the book block, into which the compact can be coupled by means of a crossbeam. The compact is thereby movable parallel to the spine of the book block.
  • the symmetrically mutually adjustable second gear elements each have at least one pivot point, which can be moved toward and away from each other.
  • a crank lever is rotatably mounted in the pivot points, wherein in the crank lever, connecting them together, a parallel to the longitudinal axis of the back aligned, connected to the compact cross member is coupled. Since the pivot points of the transmission elements with the crank levers mounted therein are arranged at a distance from the traverse, a crank mechanism is realized.
  • the traverse and the compact are made in one piece.
  • Such a component is inexpensive to manufacture and stiff executable over its length. A deflection of the compact is counteracted.
  • the press body having an axle is rotatably mounted on both end faces about its axis in the traverse.
  • the traverse consists of both sides of the compact body the compacts overlapping plates.
  • the respective plate has in the axial direction of the compact on both sides of the compact by a distance from the center of the compacted spaced at least two hinge points.
  • either a rocker arm or a crank lever is movably received in the articulation points.
  • the rocker arm is guided in each case one of the groove curves.
  • each one of the crank levers is movably received in one of the bearing points pivotally.
  • the rocker arm is designed as a roller plate.
  • the roller plate has the Nutkurve facing rollers, which are intended to engage in the cam groove. Facing away from the groove cam, the roller plate particularly preferably has an articulated receptacle for the compact, wherein the compact can be accommodated indirectly, particularly preferably outside its center.
  • a drive is provided as the first actuator, which is formed by means of a single horizontal actuating element, in particular a spindle, acting on the transmission.
  • the compact is drivable via a vibrating mechanism for pressing the spine along the trajectory.
  • the pressing device is coupled to an overload unit such that the overload unit is arranged between the pressing device and the frame of the device.
  • the overload unit preferably has a spring assembly, which is formed in the horizontal direction parallel to the direction of movement of the transmission to the pressing device acting. The spring assembly allows the compact in case of overload of the preselected Departure path to avoid damage to the compact.
  • the device is preferably used in a book production line.
  • FIGS. 1 to 4 and 7 to 9 show a first embodiment of a device 5 according to the invention with a book block 1, 1 'clamped therein, wherein two different formats of the book block 1, 1' are shown.
  • the book block 1 of FIGS. 1 to 4 and 7 is thicker than the narrow book block 1 'of FIGS. 8 and 9 ,
  • the book block 1, 1 'to be removed by the method or the device 5 has a rounded back 2, 2' with a longitudinal axis 3 running along the back 2, 2 ', which extends through a line of intersection of a median plane 9 through the book block 1, 1 'is formed with the rounded back 2, 2'.
  • FIGS. 5 and 6 show a second embodiment of a device 5 'according to the invention in the positions of Figures 2 and 3 ,
  • the second embodiment differs from the first embodiment in terms of a built-in a pressing device 7 variable transmission 10, 10 '.
  • the device 5, 5 ' has below the pressing device 7 in the frame 70, a clamping device 40 for the book block 1, 1'.
  • a clamping device 40 for the book block 1, 1'.
  • the book block 1, 1 ' is aligned with its upward, the pressing device 7 facing back 2, 2' with the longitudinal axis 3 parallel to the clamping jaws 41 between them.
  • the clamping jaws 41 are movably mounted in the horizontal direction, so that the book block 1, 1 'can be clamped on both sides in a region 4 near the back between the clamping jaws 41 and can be fixed relative to the frame 70 in a stationary manner.
  • the pressing device 7 In the vertical direction can be applied to the thus provided back 2, 2 'by means of a compact 6 of the pressing device 7, a pressing pressure.
  • the purpose provided pressing device 7 is used for vertical movement of the compact 6 perpendicular to the longitudinal axis 3 against the back 2, 2 'of the book block 1, 1'.
  • the pressing device 7 with the parallel to the longitudinal axis 3 of the back 2, 2 'aligned compact 6 in the middle of the rounded back 2, 2' placed on this.
  • the compact 6 can, of course, also be placed approximately in the middle, ie in an area adjacent to the middle of the back 2, 2 '.
  • the pressing body 6 is rotatable about an axis 19 and approximately continuously along a not shown, preselectable trajectory continuously movably received in the pressing device 7 according to the illustrated embodiments.
  • the trajectory lies in a plane perpendicular to the longitudinal axis 3 of the spine 2, 2 'and represents an at least approximate circular path which follows at least approximately a circular path running through the curve of the spine 2, 2'.
  • the coordination of the movement path following, approximately horizontal movement takes over the transmission 10, 10 '.
  • the transmission 10, 10 ' is arranged in the pressing device 7 and can be moved together vertically in the frame 70 with this.
  • an overload unit 72 is coupled in the horizontal orientation.
  • the overload unit 72 has a spring assembly 77 which acts in both horizontal directions parallel to a direction of movement 25 of the transmission 10, 10 '. If excessive pressure is applied to the book block 1, 1 ', the spring pack 77 will spring against a spring resistance, i. the pressing device 7 deviates accordingly.
  • the further description is based on a vertical position of the pressing device 7, in which the compact 6 is already in contact with the spine 2, 2 '.
  • the compact 6 is designed in the figures as a solid cylinder with a convex pressing surface 8.
  • Alternative forms are partial cylinders up to compacts with flat pressing surfaces.
  • the transmission 10, 10 'of both embodiments has two by a first actuator 53 horizontally and symmetrically to each other, continuously variable first or second transmission elements 11, 21; 81, 82 on.
  • the need for such adjustment of the transmission 10, 10 ' is obtained by direct comparison of Figures 3 . 6 and 9 showing the compact 6 in a state pivoted out to the left.
  • the Figures 3 and 9 differ in the thickness of the book block 1, 1 'and of course in the width of the back 2, 2'.
  • the movement path of the compact 6 is determined by means of a control unit 54 connected to the first actuator 53 in accordance with the thickness of the book block 1, 1 'and transmitted to the transmission 10, 10' by means of the first actuator 53.
  • the trajectory of the compact 6 can also be determined as a function of another book block parameter, such as the material or the type of binding of the book block 1, 1 ', or the curvature of its back 2, 2'.
  • another book block parameter such as the material or the type of binding of the book block 1, 1 ', or the curvature of its back 2, 2'.
  • a combination of several book block parameters is possible to determine the movement path of the compact 6.
  • actuator 53 for the variable transmission 10, 10 ' is provided according to the illustrated embodiments, a drive which is formed by means of a single horizontal, for example, designed as a spindle actuator 50 on the gear 10, 10' acting.
  • horizontally displaceable carriages are provided as symmetrically mutually adjustable first gear elements 11, 21.
  • an inner gear member 11 along the longitudinal axis 3 of the back 2, 2 'seen within an outer gear member 21 is arranged.
  • the gear elements 21, 11 are horizontally in the direction of movement 25 of the transmission 10 and thus perpendicular to the longitudinal axis 3 of the back 2, 2 'to each other. They have parallel to the direction of movement 25 in vertical planes on both sides of the compact 3 mutually spaced front walls 26 and rear walls 18.
  • the front and rear walls 26, 18 form parallel with the longitudinal axis 3 of the back 2, 2 'aligned side walls 14, 24 each seen in cross-section a rectangle (see. Fig. 7 ).
  • the side walls 14, 24 have congruently arranged through holes 17, 27 which receive along the direction of movement 25 of the transmission 10 displaceable guide rods 51.
  • the through holes 17, 27 are located in a guide 89 for the gear members 81, 82.
  • a mounting plate 55 is screwed.
  • the mounting plate 55 carries the first actuator 53 for the parallel to the guide rods 51 arranged actuator 50, which has two non-illustrated areas with opposite threads.
  • the outer gear member 21 engages with a first spindle nut 56 in the thread of one of the areas.
  • the inner gear member 11 engages with a second spindle nut 57 in the thread of the second area ( Fig. 1 . Fig. 8 ).
  • Each gear element 11, 21 has in the direction of the longitudinal axis 3 of the back 2, 2 'opposite sides in the front and rear walls 26, 18 each have a groove curve 12, 13, 22, 23.
  • Each groove curve 12, 13, 22, 23 extends along an upper circular arc portion about an unillustrated center, which centers are each aligned parallel to the longitudinal axis 3 of the back 2, 2 '(see. Fig. 4 ).
  • the inner Gear element 11 has the outer gear member 21 facing outer groove curves 12, 13 and the outer gear member 21 to the inner gear member 11 facing inner Nutkurven 22, 23.
  • Each of the plates 33 has on the left and right above the recorded compact 6 each have a hinge point 31, 32.
  • a first formed as a roller plate rocker arm 35 is pivotally received in a first of the hinge points 31 facing the outer gear member 21, a first formed as a roller plate rocker arm 35 is pivotally received in a second of the hinge points 32 facing the inner gear member 11, a second formed as a roller plate rocker arm 36 is pivotally received.
  • the rollers 37 of each rocker arm 35, 36 are arranged so as to be able to engage in their entirety in one of the groove curves 12, 13, 22, 23 can. As a result, a certain amount of leverage by means of the rollers 37 on the roller plate 35, 36 can be transferred.
  • FIG. 5 and 6 illustrated second embodiment four substantially symmetrical paired levers as a symmetrically mutually displaceable second transmission elements 81, 82 are formed.
  • a pair of gear members 81, 82 on one side of the cross member 30 has first and second levers.
  • the gear elements 81, 82 are each connected by means of a crank lever 85, 86 which is rotatably mounted in a pivot point 87, 88 of the respective gear member 81, 82, each having one of the hinge points 31, 32 of the plate 33.
  • the coupled into this or comparable manner in the traverse 30 pressing body 6 is by means of a swing mechanism 60 parallel to the longitudinal axis 3 of the back 2, 2 'movable. Also, a one-piece embodiment of the traverse with an integrated compact is conceivable.
  • the oscillating mechanism 60 drives the compact 6 to press the spine 2, 2 'along the trajectory.
  • the first embodiment in the FIGS. 2 to 4 during a rolling of the compact 6 shown in snapshots. It shows the FIG. 2 a starting position in which the pressing body 6 on the longitudinal axis 3 of the back 2, 2 'touches on this.
  • FIG. 3 is the compact 6 to the left, the second side 16 and in FIG. 4 swung to the right, to a first page 15 of the book block 1.
  • FIG. 4 is the according FIG. 2 Pressed on the book block 1 press body 6 for pressing the book block 1 in a first portion of the trajectories initially from the center of the back 2 outward to the first page 15 of the book block 1 method. Subsequently, the compact 6 is returned on the same trajectory to the center of the back 2, before it presses the book block 1 at least a further portion of one of the trajectories from the center outwards to one of the first side 15 opposite second side 16 ( FIG. 3 ).
  • the pressing body 6 is first lifted after the first page 15 of the book block 1 pressing off the back 2 of the book block 1 and, without contact to the back 2, another movement path to the middle of the back 2 moves there again on the back. 2 placed and then used for further pressing the book block 1 to the second page 16.
  • the pressing body 6 on its way from at least one of the two sides 15, 16 of the Book block 1 to the center of the back 2 are moved on a movement path which relative to the movement path of the compact 6 on its way from the center to one of the two sides 15, 16 of the book block 1 has a larger radius.
  • the compact 6 can also be moved on a path to the center of the back 2, which has a relation to the path of movement of the previously performed pressing smaller radius, whereby the book block 1 can be advantageously further pressed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Press Drives And Press Lines (AREA)

Claims (26)

  1. Procédé pour presser un corps d'ouvrage ou de livre (1, 1') qui présente un dos arrondi (2, 2') et un axe longitudinal (3) s'étendant le long du dos (2, 2'), sachant que le pressage s'effectue sur le dos arrondi (2, 2') par les étapes successives suivantes :
    - on serre le corps d'ouvrage ou de livre (1, 1') de part et d'autre, entre deux mors de serrage (41), dans une région (4) proche du dos parallèlement à l'axe longitudinal (3) du dos arrondi (2, 2'),
    - on déplace un élément presseur (6) au moins une fois en direction du dos arrondi (2, 2') du corps d'ouvrage ou de livre (1, 1'), et ce faisant on l'applique contre le dos arrondi (2, 2') perpendiculairement à l'axe longitudinal (3) et au milieu ou au moins environ au milieu du dos arrondi (2, 2'), puis on le déplace au moins sur une partie du dos (2, 2'),
    - sachant que l'élément presseur (6) presse le corps d'ouvrage ou de livre (1, 1') parallèlement à l'axe longitudinal (3) sur le dos (2, 2'), sur au moins une trajectoire de déplacement pouvant être présélectionnée en continu et se trouvant dans un plan sous-tendu perpendiculairement à l'axe longitudinal (3) du dos (2, 2),
    - et sachant que la forme de la trajectoire de déplacement au moins unique de l'élément presseur (6) est prescrite par une transmission (10, 10') réalisée variable, sachant qu'un premier actionneur (53) produit, à la suite d'une prescription, en continu un réglage donné de la transmission (10, 10'), avant et/ou pendant le déplacement de l'élément presseur (6) sur le dos (2, 2'),
    caractérisé en ce que la transmission (10, 10') présente, afin de déplacer l'élément presseur (6), au moins deux premiers éléments de transmission (11, 21) pouvant être déplacés en translation horizontalement et symétriquement l'un par rapport à l'autre au moyen du premier actionneur (53) et pourvus chacun de deux cames à rainure (12, 13, 22, 23), ou au moins deux deuxièmes éléments de transmission (81, 82) pouvant être rapprochés et éloignés l'un de l'autre horizontalement et symétriquement au moyen du premier actionneur (53) et pourvus chacun d'un bras de manivelle (85, 86) monté à rotation autour d'un point de pivotement respectif (87, 88), éléments sur lesquels l'élément presseur (6) est monté au moyen d'une traverse (30), et en ce que, au moyen de cette transmission (10, 10'), la trajectoire de déplacement est présélectionnée par le fait que le premier actionneur (53) rapproche ou éloigne horizontalement l'un de l'autre les premiers éléments de transmission (11, 21) ou respectivement les deuxièmes éléments de transmission (81, 82).
  2. Procédé selon la revendication 1, caractérisé en ce que l'élément presseur (6), dans une première partie d'une des trajectoires de déplacement, est d'abord déplacé depuis le milieu du dos (2, 2') vers l'extérieur en direction d'un premier côté (15) du corps d'ouvrage ou de livre (1, 1'), en ce que l'élément presseur (6) est ensuite relevé à l'écart du dos (2, 2') du corps d'ouvrage ou de livre (1, 1') et, en suivant une autre trajectoire de déplacement sans contact avec le dos (2, 2'), est à nouveau déplacé vers le milieu du dos (2, 2'), et en ce que l'élément presseur (6) y est à nouveau appliqué contre le dos (2, 2') du corps d'ouvrage ou de livre (1, 1') et, en suivant au moins une autre partie d'une des trajectoires de déplacement, presse le dos (2, 2') depuis le milieu vers l'extérieur en direction d'un deuxième côté, opposé (16) du corps d'ouvrage ou de livre (1, 1').
  3. Procédé selon la revendication 2, caractérisé en ce que l'élément presseur (6), sur son parcours depuis au moins un des deux côtés (15, 16) du corps d'ouvrage ou de livre (1, 1') en direction du milieu du dos (2, 2'), est déplacé sur une trajectoire de déplacement qui présente un rayon différent de la trajectoire de déplacement de l'élément presseur (6) sur son parcours depuis le milieu vers un des deux côtés (15, 16) du corps d'ouvrage ou de livre (1, 1').
  4. Procédé selon la revendication 2 ou 3, caractérisé en ce que la trajectoire de déplacement au moins unique de l'élément presseur (6) est déterminée au moyen d'une unité de commande (54) et transmise à la transmission (10, 10') au moyen du premier actionneur (53).
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'élément presseur (6) presse plusieurs fois au moins une partie ou portion du dos (2, 2').
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que la trajectoire de déplacement au moins unique est déterminée en fonction d'un seul ou de plusieurs des paramètres de corps d'ouvrage ou de livre mentionnés ci-après : l'épaisseur, le matériau ou le type de reliure du corps d'ouvrage ou de livre (1, 1') ou la courbure de son dos (2, 2').
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que l'élément presseur (6) tourne tandis qu'il roule sur le dos (2, 2') en suivant la trajectoire de déplacement au moins unique.
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que, pendant le pressage, afin de réaliser une protection contre la surcharge, l'élément presseur (6) peut être déplacé indépendamment de la trajectoire de déplacement présélectionnée à l'encontre d'une résistance du dos (2, 2'), de sorte qu'on évite de dépasser une force maximale de pressage en déviant de la trajectoire de déplacement.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que la transmission (10, 10'), afin d'appliquer l'élément presseur (6) contre le dos (2, 2') ou de le relever à l'écart de ce dernier, est déplacée conjointement avec l'élément presseur (6) dans un bâti stationnaire (70).
  10. Procédé selon l'une des revendications 1 à 9, caractérisé en ce que la traverse (30), à la suite du mouvement relatif des premiers éléments de transmission (11, 21), parcourt la trajectoire de déplacement dans les cames à rainure (12, 13, 22, 23).
  11. Procédé selon l'une des revendications 1 à 9, caractérisé en ce que la traverse (30), à la suite du mouvement relatif des deuxièmes éléments de transmission (81, 82), parcourt la trajectoire de déplacement par pivotement des bras de manivelle (85, 86) par rapport aux deuxièmes éléments de transmission (81, 82).
  12. Dispositif pour presser un corps d'ouvrage ou de livre (1, 1') qui présente un dos arrondi (2, 2') et un axe longitudinal (3) s'étendant le long du dos (2, 2'),
    - avec un dispositif de serrage (40), présentant deux mors de serrage (41) pouvant être immobilisés dans une position de serrage par rapport à un bâti stationnaire (70) et destinés à serrer de part et d'autre le corps d'ouvrage ou de livre (1, l') dans une région (4) proche du dos, sachant que le corps d'ouvrage ou de livre (1, 1') peut être orienté entre les mors de serrage (41) avec son dos (2, 2') parallèle à l'axe longitudinal (3),
    - avec un dispositif de pressage (7) pour déplacer verticalement un élément presseur (6) dans un bâti stationnaire (70) perpendiculairement à l'axe longitudinal (3) en direction du dos (2, 2'), sachant que l'élément presseur (6) peut être appliqué contre le dos arrondi (2, 2') au milieu ou au moins environ au milieu de ce dernier et est reçu dans le dispositif de pressage (7) à déplacement environ parallèlement au dos arrondi (2, 2'), en étant orienté parallèlement à l'axe longitudinal (3) du dos (2, 2') et en suivant une trajectoire de déplacement pouvant être présélectionnée en continu et se trouvant dans un plan sous-tendu perpendiculairement à l'axe longitudinal (3), sachant que le dispositif de pressage (7) présente une transmission (10, 10') variable au moyen d'un premier actionneur (53), avec laquelle la forme de la trajectoire de déplacement de l'élément presseur (6) peut être prescrite, sachant que le premier actionneur (53) produit, à la suite d'une prescription, en continu un réglage donné de la transmission (10, 10'), avant et/ou pendant le déplacement de l'élément presseur (6) sur le dos (2, 2'),
    caractérisé en ce que la transmission (10, 10') présente deux premiers ou deuxièmes éléments de transmission (11, 21 ; 81, 82), pouvant être déplacés par le premier actionneur (53) dans une direction de déplacement horizontale (25) et symétriquement l'un par rapport à l'autre.
  13. Dispositif selon la revendication 12, caractérisé en ce que l'élément presseur présente une surface de pressage plane.
  14. Dispositif selon la revendication 12, caractérisé en ce que l'élément presseur (6) présente une surface de pressage (8) réalisée convexe et est notamment réalisé sous forme de cylindre partiel ou complet.
  15. Dispositif selon l'une des revendications 12 à 14, caractérisé en ce que la transmission (10, 10') est disposée conjointement avec l'élément presseur (6) dans le dispositif de pressage (7), et le dispositif de pressage (7) est monté à translation verticale dans le bâti stationnaire (70).
  16. Dispositif selon l'une des revendications 12 à 15, caractérisé en ce que la transmission (10) présente un élément de transmission intérieur et un élément de transmission extérieur (21), réalisé notamment sous forme de chariot à translation horizontale, sachant que l'élément de transmission intérieur (11) est disposé, considéré le long de l'axe longitudinal (3) du dos (2, 2'), au moins partiellement à l'intérieur de l'élément de transmission extérieur (21), et en ce que chaque premier élément de transmission (11,21) présente respectivement, sur des côtés opposés dans la direction de l'axe longitudinal (3), au moins une came à rainure (12, 13, 22, 23) dans laquelle l'élément presseur (6) peut être accouplé au moyen d'une traverse (30), de sorte que l'élément presseur (6) peut être déplacé parallèlement au dos (2, 2').
  17. Dispositif selon l'une des revendications 12 à 15, caractérisé en ce que les deuxièmes éléments de transmission (81, 82) de la transmission (10') sont réalisés avec chacun au moins un point de pivotement (87, 88) et peuvent être rapprochés ou éloignés horizontalement l'un de l'autre, sachant qu'un bras de manivelle (85, 86) est respectivement monté à rotation autour des points de pivotement (87, 88) et sachant qu'une traverse (30), reliée à l'élément presseur (6) et orientée parallèlement à l'axe longitudinal (3) du dos (2, 2'), peut être accouplée dans les bras de manivelle (85, 86).
  18. Dispositif selon l'une des revendications 16 ou 17, caractérisé en ce que la traverse (30) et l'élément presseur (6) sont réalisés d'un seul tenant.
  19. Dispositif selon l'une des revendications 16 ou 17, caractérisé en ce que l'élément presseur (6) présente un axe (19) et est monté dans la traverse (30) à rotation autour de son axe (19) respectivement sur les deux côtés frontaux.
  20. Dispositif selon l'une des revendications 16 à 19, caractérisé en ce que la traverse (30) est au moins constituée de plaques (33) recevant l'élément presseur (6) de part et d'autre de l'élément presseur (6), et la plaque respective (33) présente, considéré dans la direction axiale de l'élément presseur (6), de part et d'autre de l'élément presseur (6) et à l'extérieur du centre de l'élément presseur (6), respectivement au moins deux points d'articulation (31, 32) dans lesquels est respectivement reçu à déplacement soit un des bras de manivelle (85, 86), soit un levier basculant (35, 36) guidé dans une came à rainure respective (12, 13, 22, 23).
  21. Dispositif selon la revendication 20, caractérisé en ce que le levier basculant (35, 36) est réalisé sous la forme d'une plaque à roulettes avec des roulettes (37) qui s'engagent dans les cames à rainure (12, 13, 22, 23).
  22. Dispositif selon l'une des revendications 12 à 21, caractérisé en ce qu'il est prévu comme premier actionneur (53) un entraînement qui est réalisé pour pouvoir agir sur la transmission (10, 10') au moyen d'un unique élément de commande horizontal (50), réalisé notamment sous forme de broche.
  23. Dispositif selon l'une des revendications 12 à 22, caractérisé en ce que l'élément presseur (6) peut être entraîné le long de la trajectoire de déplacement pour presser le dos (2, 2') au moyen d'un mécanisme oscillant (60).
  24. Dispositif selon l'une des revendications 12 à 23, caractérisé en ce qu'une unité de surcharge (72) est accouplée entre le dispositif de pressage (7) et le bâti (70).
  25. Dispositif selon la revendication 24, caractérisé en ce que l'unité de surcharge (72) présente un groupe de ressorts (77) qui est conçu pour agir sur le dispositif de pressage (7) dans les deux directions horizontales parallèlement à la direction de déplacement (25).
  26. Chaîne de fabrication de livres avec un dispositif selon l'une des revendications 12 à 25.
EP11193159.8A 2010-12-15 2011-12-13 Procédé et dispositif destinés à comprimer un bloc de livre Active EP2465695B1 (fr)

Applications Claiming Priority (1)

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CH20902010 2010-12-15

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EP2465695A1 EP2465695A1 (fr) 2012-06-20
EP2465695B1 true EP2465695B1 (fr) 2015-09-23

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EP (1) EP2465695B1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6212909B2 (ja) * 2013-03-29 2017-10-18 大日本印刷株式会社 バッキング装置
JP2017136831A (ja) * 2016-02-01 2017-08-10 ミュラー・マルティニ・ホルディング・アクチエンゲゼルシヤフト ブックブロックの予備成形及び丸味出しのための装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB630529A (en) * 1947-08-18 1949-10-14 William Arthur Hopkinson Auld Improvements in or relating to bookbinding machines
US2718018A (en) * 1953-08-10 1955-09-20 Brock And Rankin Inc Machine for pressing and building-in books
GB751222A (en) * 1954-01-04 1956-06-27 Lionel John Bryant Rushent Fre Improvements in bookbinding machines
GB844651A (en) * 1957-11-08 1960-08-17 Lewis George Kitcat Improvements in or relating to methods and apparatus for binding books
US3280413A (en) 1965-01-15 1966-10-25 Robbins & Bendror Associates I Rounding and backing method and apparatus
DE4409319A1 (de) 1994-03-18 1995-09-21 Kolbus Gmbh & Co Kg Vorrichtung zum Abpressen von Buchblocks
DE19907682A1 (de) * 1999-02-23 2000-08-24 Horst Rathert Verfahren und Vorrichtung zum Runden und Abpressen von Buchrücken insbesondere für Kleinauflagen
DE10205676A1 (de) * 2002-02-12 2003-08-21 Kolbus Gmbh & Co Kg Verfahren zum Runden und Abpressen von Buchblocks
DE102006023285B4 (de) 2006-05-18 2015-02-12 Kolbus Gmbh & Co. Kg Vorrichtung zum Abpressen von Buchblocks

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US9004837B2 (en) 2015-04-14
US20120155991A1 (en) 2012-06-21
EP2465695A1 (fr) 2012-06-20

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