EP2939844B1 - Brocheuse destinée à brocher en mouvement un ensemble de feuilles pliées et procédé associé - Google Patents

Brocheuse destinée à brocher en mouvement un ensemble de feuilles pliées et procédé associé Download PDF

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Publication number
EP2939844B1
EP2939844B1 EP15164850.8A EP15164850A EP2939844B1 EP 2939844 B1 EP2939844 B1 EP 2939844B1 EP 15164850 A EP15164850 A EP 15164850A EP 2939844 B1 EP2939844 B1 EP 2939844B1
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EP
European Patent Office
Prior art keywords
stitcher
carriage
alignment
sheet assembly
folding sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
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EP15164850.8A
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German (de)
English (en)
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EP2939844A1 (fr
Inventor
Steffen Hoffmann
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.)
Mueller Martini Holding AG
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Mueller Martini Holding AG
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Publication date
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Publication of EP2939844A1 publication Critical patent/EP2939844A1/fr
Application granted granted Critical
Publication of EP2939844B1 publication Critical patent/EP2939844B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B4/00—Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire

Definitions

  • the invention relates to a stapler according to the preamble of claim 1 and a method according to the preamble of claim 7.
  • a stapler and a method of the type mentioned are, for example DE 10 2008 034 838 A1 known.
  • the stapler is integrated into a so-called "saddle stitcher", the folded sheets such as folded printed products are separated by being stored on a gathering chain of saddle stitcher, and collects the folded sheets or astride together at least one folding sheet comprehensive Falzbogenan für für astride.
  • the folding sheet arrangements which can also be referred to as collected signatures, are then stapled in the stapler or stitching station of the saddle stitcher or provided with a stitching wire arrangement such as a ring eyelet staple and then optionally fed to a further processing unit for edging, a display or the like.
  • a respective folding sheet arrangement is received on the collecting chain extending along a predetermined track and is entrained by the latter in a conveying direction of the collecting chain.
  • the entrainment of the folded sheet arrangement is realized in that a provided on the gathering chain driver abuts against a rear end in the conveying direction of the folded sheet arrangement.
  • a stapling carriage of the stapling device is drivable to be moved along the track in the conveying direction and against the conveying direction of the collecting chain.
  • a fixing unit is provided in the form of a Falzdrückers, which is adapted to the folded sheet on the collecting chain arrangement on the To fix the stitching carriage, so that the folded sheet assembly is pulled away with a directed in the conveying direction forward movement of the stitching carriage from the entraining driver of the gathering chain by a certain amount in the conveying direction.
  • the stitching carriage moves at a speed greater than a conveying speed of the gathering chain.
  • a stitching unit comprising two stitching heads and two corresponding clincher boxes is also provided, which is suitable for introducing a stitching wire arrangement in the form of two staples into the folded sheet arrangement pulled away from the catch.
  • the position of the folded sheet assembly on the stitching carriage which is not correctable by the fixing unit may be subject to some variation, e.g. caused by variations in the position of the respective driver and tolerances of the components involved collecting chain and stapler.
  • These fluctuations in turn result in a relatively large scattering of stitching wire arrangements. That is, looking at a stack of stitched like signature sheets and comparing the stapling positions of the staples or eyelet clips of the signature assemblies, there is always some offset of up to 2 mm under the signature assemblies. Since the scattering of the stapling positions is a quality feature which is particularly important in eyelet staples, since the folded sheet assemblies provided therewith are provided in e.g. If you want to keep a folder in the same position, it is desirable to minimize this spread or even eliminate it altogether.
  • the DE 10 2008 013 223 A1 discloses a stapler according to the preamble of claim 1 and with a stitching carriage reciprocable along a gathering chain.
  • a displaceably mounted alignment stop is fastened, with which the trailing edge of a folding sheet arrangement transported on the gathering chain is positioned in relation to a stapling head likewise fastened to the stitching carriage.
  • the alignment stop controlled in a working position can be brought, in which it is positively brought from behind to the funded by a stop of the gathering fold sheet arrangement and this pulls away because of its slightly increased speed relative to the gathering chain in the transport direction from the stop of the gathering chain.
  • the alignment stop can be brought from the left, from the top or from the right to the folded sheet arrangement. After the stapling operation, the alignment stop is moved to a parking position in which it no longer has any contact with the folded sheet arrangement. During the movement of the stitching carriage against the transport direction of the gathering chain is the alignment stop in a parking position on the left, top or right of the gathering chain to avoid collision with a subsequent folded sheet arrangement. The further transport of the folded sheet arrangement is again by the stop of the gathering chain.
  • the invention has for its object to provide a trained according to the preamble of claim 1 stapler for in-line stitching a folded sheet and a configured according to the preamble of claim 7 method for stapling a folded sheet arrangement in each case so that a smaller spread of stapling positions similar folding sheet arrangements is guaranteed.
  • a stapling device for stitching a folding sheet arrangement comprising at least one folding sheet, which is taken along on a collecting chain extending along a predetermined track and taken along in a conveying direction of the collecting chain, comprises a stapling carriage which can be driven is to be moved along the track forward in the conveying direction and backwards against the conveying direction of the gathering chain to staple with a stitching carriage provided on the stitching unit the folded sheet assembly.
  • the folded sheet arrangement may comprise a single fold sheet (a folded sheet of a substrate such as a folded and in particular printed paper sheet, a so-called signature) or also a plurality of such fold sheets.
  • the multiple folded sheets preferably form a folded sheet stack as a folded sheet arrangement.
  • an alignment stop is provided on the stitching carriage, which is controlled between an alignment position in which the alignment stop arranged at a predetermined distance from the stapling unit can be brought into contact with a forward movement of the stitching carriage at a rear end in the conveying direction of the folded sheet arrangement, and a parking position is displaced in which the alignment stop can not be brought to rest on the folded-sheet arrangement, ie has no possibility of collision with a folding-sheet arrangement to be stapled.
  • the stapling device is characterized in that the alignment stop is provided on the stapling carriage such that the aligning stop in the alignment position crosses a folded-sheet plane formed by the folded-sheet arrangement and is arranged in the parking position below the folded-sheet plane.
  • the alignment stop adjoins a folding line of the folded sheet arrangement in the alignment position.
  • the alignment stop is located in the alignment position directly or very close to the fold line of the folded sheet assembly, ie directly adjacent to the roof ridge of the gathering chain. Since the fold line represents a particularly stable region of the folded sheet arrangement, it is possible to avoid position fluctuations caused by deformation of the folded sheet arrangement in the contact area.
  • the stapling of the folding sheet assembly is usually done directly on the folding line, tilting of the folded sheet arrangement avoided and thus the stapling position of the folded sheet assembly on the stitching carriage can be more accurately and consistently realized.
  • a fixing unit with a so-called Falzdschreiber is provided on the stapling carriage, which is adapted to fix the folded sheet arrangement on the stapling carriage, and the stapling device has a control device which is arranged, the fixing unit and the alignment stop to control so that the alignment stop is in the alignment position before the fixing unit fixes the folded sheet assembly on the stitching carriage.
  • the fixing unit according to the invention may e.g. Have one or more Falzdschreiber which fixes the stapled folding sheet assembly in the stitching line as the fold line on the stitching carriage and centered to the stapling unit.
  • the fixing unit for fixing and not fixing, and the alignment stopper for shifting between the alignment position and the parking position e.g. be controlled mechanically, electrically and / or pneumatically.
  • the alignment stop is in the alignment position before the fixing unit fixes the folding sheet assembly on the stitching carriage, it is ensured that the folded sheet assembly can still move relative to the stitching carriage in its desired stapling position in contact with the alignment stop.
  • control device is set up to control the fixing unit for fixing the folded sheet arrangement on the stitching carriage, if a speed of the forward movement of the stitching carriage is greater than a conveying speed of the collecting chain.
  • the alignment stop is preferably in the alignment position, before the fixing unit fixes the folded sheet arrangement on the stitching carriage, by the speed increase of the stitching carriage to the Alignment stop applying the rear boundary of the folded sheet arrangement and thus favors the realization of a consistent stapling position.
  • the control device has a fluid cylinder for driving the displacement of the alignment stop from the parking position into the alignment position and vice versa.
  • the fluid cylinder is preferably designed as a pneumatically operated pneumatic cylinder.
  • the fluid cylinder is mounted on the stapling carriage and the alignment stop is provided on a piston rod of the fluid cylinder and in particular formed directly on this.
  • the alignment stop since a direct drive for the alignment stop is realized, a very short reaction time to a control of the fluid cylinder can be achieved, i.
  • the alignment stop can be spent with very little response delay in its alignment position and in its parking position. This is particularly advantageous because in a stapler of a saddle stitcher is usually worked with a high clock speed.
  • the fixing unit which is set up on the stapling carriage is To fix the folded sheet assembly on the stitching carriage, so that the folded sheet assembly can be pulled away from the entraining driver with a forward movement of the stitching carriage, and provided the stapling unit, which is adapted to introduce a stitching wire arrangement in the folded sheet arrangement pulled away from the driver.
  • the registration stop is provided on the stitching carriage so as to be controlled between the alignment position in which the registration stop is located at a predetermined distance from the stapling unit during the forward movement of the stapling carriage at the stapling carriage rear limit of stapling to be fixed on the stitching carriage folded sheet assembly can be brought to bear, and the parking position is displaced, in which the alignment stop has no possibility of collision with a stapled folding sheet assembly.
  • a method for stapling a folded signature by means of a stapler comprises at least the following steps: Bringing an alignment stop provided on the stapling carriage during a forward movement of the stapling carriage controlled by a Park position, in which the alignment stop is not brought to the folding sheet assembly to bear, in an alignment position in which the alignment stop is brought into engagement with a downstream rear boundary of the Falzbogenanowski prior to stapling and thereby aligns the Falzbogenan whatsoever the alignment stop.
  • the stitching carriage is brought into engagement with the rear in the conveying direction delimiting the folded sheet, so that in the conveying direction conveying the folded sheet assembly is taken over by the stitching, each stapled folding sheet arrangement a plurality of similar folding sheet arrangements in their position on the stitching carriage be clearly aligned after the point of action on the stitching carriage and thus a consistent position of these folding sheet arrangements are ensured on the stitching carriage.
  • a small dispersion of the stapling positions of these folding sheet arrangements can be achieved.
  • the method according to the invention is characterized in that the alignment stop after the stapling process is moved from the alignment position in which it intersects a folded sheet plane formed by the folded sheet arrangement back into the parking position, which is below the folded sheet plane.
  • the speed of forward movement of the stitching carriage is increased to be greater than the conveying speed of the gathering chain, engaging the registration stop with the trailing edge of the signature assembly ,
  • the stitching carriage is moved in the conveying direction at the higher speed than the gathering chain before the folded-sheet arrangement is fixed on the stitching carriage.
  • a control device of the stapling device will control the fixing unit and the alignment stop such that the alignment stop is in the alignment position before the fixing unit fixes the folded sheet arrangement on the stapling carriage.
  • FIGS. 1 to 5 Embodiments of a stitching device 10 integrated in a saddle stitcher 1 (not shown in full) for stapling a folding sheet assembly 100 comprising at least one folding sheet in movement and a method for stitching the folding sheet assembly 100 in movement by means of the stapler 10.
  • the folded sheet assembly 100 may comprise a single fold sheet (a folded sheet of a substrate such as a folded and, in particular, printed paper sheet) or also a plurality of such fold sheets.
  • the multiple folded sheets preferably form a folded sheet stack as the folded sheet arrangement 100.
  • the saddle stitcher 1 is except for the stapler 10 in a similar manner as in DE 10 2008 034 838 A1 formed saddle stitcher, which is why reference is made here with respect to details of the saddle stitcher 1 not described here to this document.
  • the saddle stitcher 1 has, in addition to the stapling device 10, an endlessly circulating gathering chain 2, which extends along a predetermined path of the folding sheet feeder of the saddle stitcher 1, not shown, to the stapling device 10 and thence to a further processing unit for the edge trimming (eg trimmer, Dreischneider) of the folding sheet assemblies 100 and to a delivery (both latter not shown) for the folding sheet assemblies 100 extends.
  • edge trimming eg trimmer, Dreischneider
  • the gathering chain 2 comprises guide means (not shown) whose upper portion is cut-shaped (as roof ridge) and whose ridge line defines the conveying and stapling line for the folding sheet assemblies 100 corresponding to a fold line 101 of each fold sheet assembly 100, and one of a plurality of juxtaposed ones Kettendachsgmenten 3 formed substantially roof-shaped support on which the folding sheet assemblies 100 are transported astride seated.
  • the gathering chain 2 also comprises a plurality of carriers 4 (only one of the carriers is shown in the figures) the folded sheet assemblies 100 deposited on the gathering chain 2 take along horizontally in a conveying direction of the gathering chain 2 from the folded sheet feeders to the stapler 10.
  • a respective driver 4 engages or adjoins this boundary 102 at a rear boundary 102 of a respective folded-sheet arrangement 100 in the conveying direction, as in FIG Fig. 1 shown.
  • the gathering chain 2 is designed for better accessibility to the stapler 10 as a one-sided or one-piece gathering chain, wherein one half (in the figures, the front) of the roof-shaped support of the gathering chain 2 is replaced by a correspondingly extending cover 5.
  • the cover 5 can be removed, for example, to set-up and / or maintenance work in segments, such as in Fig. 5 realized.
  • the stapler 10 has a stapling carriage 20 only partially shown, which is driven by a linear drive, not shown, to be moved along the track forward in the conveying direction and backwards against the conveying direction of the gathering chain 2.
  • a stapling unit 30 with a plurality of above the gathering chain 2 arranged stapling heads 31 (in the figures, only one of the stapling heads 31 is shown) and respectively to the stapling heads 31 along the track positionally corresponding below the stapling line or fold line 101 instead of the blade-shaped Guide device arranged clincher boxes (not shown or hidden by the folded sheet assembly 100) attached.
  • Each of the stitching heads 31 with associated clincher box is set up, in a folded sheet assembly 100 correspondingly positioned in the stapler 10, a stitching wire assembly, e.g. in the form of a Ringösenklammer or a normal staple by means of piercing in the fold line 101 and in the clincher box bending the free ends of this bring.
  • a stitching wire assembly e.g. in the form of a Ringösenklammer or a normal staple by means of piercing in the fold line 101 and in the clincher box bending the free ends of this bring.
  • a fixing unit 40 which is set up to fix the folded sheet arrangement 100 positioned in the stapler 10 on the stapling carriage 20, is also provided on the stapling carriage 20.
  • the fixing unit 40 has a vertically controlled folding presser 41 on each of the stitching heads 31 (in the figures, only one right of the folding presser 41 is shown) and for each folding presser 41 a knife-shaped counterpart (not shown or hidden by the folding sheet assembly 100), which is arranged along the track positionally to the Falzdschreiber 41 corresponding below the stitching line or fold line 101 instead of the blade-shaped guide means.
  • the V-shaped groove provided Falzdschreiber 41 vertically downwards, so that they come astride the fold line 101 of the stapler positioned in the stapling device 10 and 101 in the fold line 101 from below of the respective counterparts supported folded sheet assembly 100, the Folded sheet arrangement 100 clamped and thus fixed on the stapling carriage 20.
  • the Falzdschreiber 41 By vertically upward driving the Falzdschreiber 41, the folded sheet assembly 100 is released again.
  • an alignment stop 75 is provided, which controlled between an alignment position (see Fig. 2 . Fig. 3 or Fig. 5 ) and a parking position (see Fig. 1 or Fig. 4 ) is displaceable.
  • the alignment stop 75 In the alignment position, the alignment stop 75 is arranged along the track of the gathering chain 2 at a predetermined distance from the stapling unit 30 and can be brought into contact with the trailing edge 102 of a folding sheet arrangement 100 positioned in the stapler 10 during a forward movement (in the conveying direction) of the stapling carriage 20.
  • the alignment stop 75 In the park position, the alignment stop 75 can not be brought into contact with the folded sheet arrangement 100, ie it has no possibility of collision with a folding sheet arrangement 100 to be stapled.
  • the stapling device 10 has a compressed air source 60 for supplying compressed air and a control device 70 with a control valve arrangement 71 and a fluid cylinder 72 designed as a pneumatic cylinder.
  • the compressed air source 60 is connected to the transfer of compressed air to the control valve assembly 71.
  • the control valve assembly 71 is connected to the fluid cylinder 72 for the controlled supply of compressed air.
  • the fluid cylinder 72 has a piston with a piston rod 76, which forms the alignment stop 75 in this embodiment of the invention. In other words, the alignment stop 75 is integrally formed on the piston rod 76 of the fluid cylinder 72.
  • the fluid cylinder 72 functions in the control device 70 for driving the displacement of the alignment stopper 75 from the parking position to the alignment position, and vice versa.
  • the fluid cylinder 72 with the registration stop 75 formed by its piston rod 76 is adjustably mounted to a lower attachment ledge 21 of the stapling carriage 20 so that the registration stop 75 in its extended registration position crosses a folded arcuate plane formed by a signature assembly 100 positioned in the stapler 10 and is arranged in the parking position below the folded sheet plane.
  • the alignment stop 75 adjoins the fold line 101 of the folded sheet arrangement 100 in the alignment position, ie is directly or very close in the alignment position arranged adjacent to the fold line 101 of the folded sheet assembly 100.
  • the alignment stop 75 can be horizontally displaceable on the stitching carriage 20 in order to adapt to the product format of a respective folding sheet arrangement 100 to be stapled.
  • a filler 73 is also mounted, which serves to support from below the fold line 101 of a folded sheet arrangement 100 positioned in the stapler 10.
  • the in the Figures 1-4 shown to stapling folding sheet assembly 100 is first picked up by the gathering chain 2 and transported with a driver 4 at the rear boundary 102 of the folded sheet 100 adjacent in the conveying direction (in the figures from right to left) along the track of the gathering chain 2 in the stapler 10, so the folding sheet arrangement 100 is located in the travel area of the stitching carriage 20, as in FIG Fig. 1 shown.
  • the stapler 10 is according to Fig. 1
  • a first operating state in which the stitching carriage 20 is moved from its position retracted furthest counter to the conveying direction into a forward movement (in the conveying direction - from right to left in the conveying direction) and has a speed which is approximately equal to a conveying speed of the Saddle chain 2 is.
  • the folding pressers 41 of the fixing unit 40 are arranged in their upper position, so that there is no fixing of the folded sheet arrangement 100.
  • the fluid cylinder 72 is pressurized by the control valve assembly 71 of the controller 70 so that the piston rod 76 acting as the alignment stop 75 extends and the alignment stop 75 is displaced to the alignment position, as in FIG Fig. 2 shown.
  • the alignment stop 75 at the rear boundary 102 of FIG Falzbogenan Aunt 100 brought to bear or the stitching carriage 20 at the rear boundary 102 of the folded sheet assembly 100 is engaged. This is taken over in the conveying direction of the gathering chain 2 conveying the folded sheet 100 from the stapling carriage 20, wherein the folded sheet 100 aligns with the alignment stop 75 fitting. Since the alignment stop 75 is at a defined distance from the stapling unit 30, a defined positioning of the folding sheet arrangement 100 on the stapling carriage 20 and in particular for the stapling unit 30 is thus realized.
  • the speed increase of the stitching carriage 20 causes the folded sheet arrangement 100 to be pulled away from the driver 4 previously entraining the folded sheet arrangement 100 by a specific length dimension in the conveying direction, as is apparent from FIG Fig. 2 and Fig. 3 by comparing the respective positions of the alignment stop 75 and driver 4 can be seen.
  • the fixing unit 40 is activated so that their Falzdschreiber 41 go down and the folded sheet assembly 100 on the stitching carriage 20 fix.
  • the stapling unit 30 is activated by the control device 70, so that the stapling heads 31 of the stapling unit 30 bring the stitching wire assembly in the form of two ring eyelet staples or two staples in the fold line 101 of the folded sheet 100.
  • the stapling unit 30 is deactivated by the control device 70. After deactivation of the stapling unit 30, the folding presses 41 are moved upwards and the folded sheet arrangement 100 is released again on the stapling carriage 20 or the fixing is released.
  • the scattering of the stapling positions of similar folding sheet assemblies 100 of less than 0.5 mm or close to zero is achieved. That is, looking at a stack of similar signature seam assemblies 100 stapled according to the invention and comparing the stapling positions of e.g. Staples or Ringösenklammern the Falzbogenan effet 100 with each other, the offset under the Falzbogenan effet 100 is less than 0.5 mm or close to zero.
  • a stapling sheet arrangement 100 to be stapled is pulled away from the gathering chain 2, which has been entrained beforehand, by the activatable and positionable alignment stop 75 before the actual stapling and thereby on the stapling carriage 20 in the position and then fixed by the fixing unit 40 (with the Falzdrückern 41), which has a fixed position to the stitching carriage 20 on the stitching carriage 20.
  • the fixing unit 40 with the Falzdrückern 41
  • a stapling sheet assembly 100 to be stapled is transported by the entraining dog 4 of the gathering chain 2 to the stapler 10.
  • the alignment process begins.
  • the stitching carriage 20 takes over the folding sheet arrangement 100 by activating the fixing unit 40 with the folding pressers 41, the alignment stop 75 is brought into the alignment position.
  • the alignment stop 75 is now behind the rear boundary (product edge) 102 of the folded sheet assembly 100 and takes over the alignment and promotion of the folded sheet assembly 100th
  • the registration stop 75 moves as shown here e.g. pneumatically controlled back down.
  • the alignment stop 75 is now again below the folded sheet plane formed by the folded sheet arrangement 100.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (10)

  1. Agrafeuse (10) dévolue à l'agrafage, en mouvement, d'un ensemble de feuillets (100) qui est constitué d'au moins un feuillet, repose sur une chaîne collectrice (2) s'étendant le long d'une trajectoire prédéterminée et est entraîné, par ladite chaîne collectrice (2), dans une direction de convoyage de cette dernière, ladite agrafeuse (10) comprenant :
    un chariot d'agrafage (20) pouvant être entraîné afin d'être mû, le long de la trajectoire, en avant dans la direction de convoyage et en arrière, en sens inverse de la direction de convoyage de ladite chaîne collectrice (2), de manière à agrafer ledit ensemble de feuillets (100) au moyen d'une unité d'agrafage (30) prévue sur le chariot d'agrafage (20), sachant qu'il est prévu, sur ledit chariot d'agrafage (20), une butée d'alignement (75) pouvant être déplacée, de manière commandée, entre une position d'alignement dans laquelle ladite butée d'alignement (75), placée à distance prédéterminée de l'unité d'agrafage (30), peut être mise en applique, lors d'un mouvement d'avance dudit chariot d'agrafage (20), contre une délimitation (102) de l'ensemble de feuillets (100) située à l'arrière dans la direction de convoyage, et une position d'arrêt dans laquelle ladite butée d'alignement (75) ne peut pas être mise en applique contre ledit ensemble de feuillets (100), caractérisée par le fait que la butée d'alignement (75) est prévue, sur le chariot d'agrafage (20), de façon telle que ladite butée d'alignement (75) coupe, dans la position d'alignement, un plan de feuillets formé par l'ensemble de feuillets (100), et soit disposée au-dessous dudit plan des feuillets dans la position d'arrêt.
  2. Agrafeuse (10) selon la revendication 1, caractérisée par le fait que, dans la position d'alignement, la butée d'alignement (75) est limitrophe d'une ligne de pliage (101) de l'ensemble de feuillets (100).
  3. Agrafeuse (10) selon l'une des revendications 1 ou 2, caractérisée par le fait qu'une unité (40) de blocage à demeure, prévue sur le chariot d'agrafage (20), est agencée en vue du blocage à demeure de l'ensemble de feuillets (100) sur ledit chariot d'agrafage (20) ; et par la présence d'un dispositif de commande (70) agencé de manière à commander ladite unité (40) de blocage à demeure, et la butée d'alignement (75), de telle sorte que ladite butée d'alignement (75) se trouve dans la position d'alignement avant que ladite unité (40) de blocage à demeure ne bloque ledit ensemble de feuillets (100) à demeure sur ledit chariot d'agrafage (20).
  4. Agrafeuse (10) selon la revendication 3, caractérisée par le fait que le dispositif de commande (70) est agencé de manière à piloter l'unité (40) de blocage à demeure, en vue du blocage à demeure de l'ensemble de feuillets (100) sur le chariot d'agrafage (20), lorsqu'une vitesse du mouvement d'avance dudit chariot d'agrafage (20) est supérieure à une vitesse de convoyage de la chaîne collectrice (2).
  5. Agrafeuse (10) selon la revendication 3 ou 4, caractérisée par le fait que le dispositif de commande (70) comporte un vérin à fluide (72) dévolu à l'entraînement du déplacement de la butée d'alignement (75) de la position d'arrêt à la position d'alignement, et inversement.
  6. Agrafeuse (10) selon la revendication 5, caractérisée par le fait que le vérin à fluide (72) est implanté sur le chariot d'agrafage (20), et la butée d'alignement (75) est prévue sur une tige de piston dudit vérin à fluide (72) ; ou par le fait que la tige (76) du piston dudit vérin à fluide (72) forme ladite butée d'alignement (75).
  7. Procédé dévolu à l'agrafage, en mouvement, d'un l'ensemble de feuillets (100) au moyen d'une agrafeuse (10), incluant les étapes opératoires suivantes :
    - dépôt de l'ensemble de feuillets (100) sur une chaîne collectrice (2) s'étendant le long d'une trajectoire prédéterminée,
    - transport dudit ensemble de feuillets (100) vers l'agrafeuse (10) à l'aide de la chaîne collectrice (2), dans une direction de convoyage,
    - mise en mouvement d'un chariot d'agrafage (20) de ladite agrafeuse (10) le long de la trajectoire de la chaîne collectrice (2), en avant dans la direction de convoyage et en arrière, en sens inverse de la direction de convoyage de ladite chaîne collectrice (2),
    - agrafage dudit ensemble de feuillets (100), à l'aide d'une unité d'agrafage (30) implantée sur ledit chariot d'agrafage (20),
    sachant que, lors d'un mouvement d'avance du chariot d'agrafage (20), une butée d'alignement (75) prévue sur ledit chariot d'agrafage (20) est amenée, de manière commandée, d'une position d'arrêt dans laquelle ladite butée d'alignement ne peut pas être mise en applique contre l'ensemble de feuillets, à une position d'alignement dans laquelle ladite butée d'alignement (75) est mise en prise, préalablement à l'agrafage, avec une délimitation (102) dudit ensemble de feuillets (100) située à l'arrière dans la direction de convoyage, et ledit ensemble de feuillets (100) s'aligne par conséquent sur ladite butée d'alignement (75), caractérisé par le fait que la butée d'alignement (75) est mue de nouveau, à l'issue du processus d'agrafage, de la position d'alignement dans laquelle elle coupe un plan de feuillets formé par l'ensemble de feuillets (100), à la position d'arrêt située au-dessous dudit plan des feuillets.
  8. Procédé selon la revendication 7, caractérisé par le fait que la vitesse du mouvement d'avance du chariot d'agrafage (20) est accrue, à l'issue du déplacement de la butée d'alignement (75) de la position d'arrêt à la position d'alignement, de telle sorte qu'elle soit supérieure à la vitesse de convoyage de la chaîne collectrice (2), ladite butée d'alignement (75) étant alors mise en prise avec la délimitation postérieure (102) de l'ensemble de feuillets (100).
  9. Procédé selon la revendication 8, caractérisé par le fait que l'ensemble de feuillets (100) est bloqué à demeure sur le chariot d'agrafage (20), à l'aide d'une unité (40) de blocage à demeure, aussitôt que ledit chariot d'agrafage (20) est animé d'un mouvement vers l'avant, dans la direction de convoyage, à la vitesse supérieure à la vitesse de convoyage de la chaîne collectrice (2).
  10. Procédé selon l'une des revendications 7 à 9, caractérisé par le fait qu'un dispositif de commande (70) de l'agrafeuse (10) commande l'unité (40) de blocage à demeure, et la butée d'alignement (75), de façon telle que ladite butée d'alignement (75) se trouve dans la position d'alignement avant que ladite unité (40) de blocage à demeure ne bloque l'ensemble de feuillets (100) à demeure sur le chariot d'agrafage (20).
EP15164850.8A 2014-04-28 2015-04-23 Brocheuse destinée à brocher en mouvement un ensemble de feuilles pliées et procédé associé Not-in-force EP2939844B1 (fr)

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DE102014006250.3A DE102014006250A1 (de) 2014-04-28 2014-04-28 Hefteinrichtung zum in Bewegung Heften einer Falzbogenanordnung und Verfahren dazu

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008013223A1 (de) * 2007-12-14 2009-06-18 Hohner Maschinenbau Gmbh Vorrichtung zum Heften von Druckprodukten, insbesondere von Broschüren, gefalzten bzw. ungefalzten Bogen, Karten oder dergleichen

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US4522383A (en) * 1982-05-04 1985-06-11 K. S. Macey Machine Company, Inc. Reciprocating stitcher assembly
DE4444220C2 (de) * 1993-12-30 1997-09-11 Hohner Maschbau Gmbh Heftkopf für eine Heftmaschine
DE19712876B4 (de) * 1997-03-27 2005-03-17 Nexpress Solutions Llc Heftvorrichtung
DE102005044707A1 (de) * 2005-09-19 2007-03-22 Heidelberger Druckmaschinen Ag Heftvorrichtung
DE102006013171A1 (de) * 2006-03-22 2007-09-27 Heidelberger Druckmaschinen Ag Heftvorrichtung mit einem Heftkopf für die Verarbeitung von Ringösenheftklammern
DE102008034838A1 (de) 2008-07-24 2010-01-28 Heidelberger Druckmaschinen Ag Heftvorrichtung mit einem Heftkopf für die Verarbeitung von Ringösenheftklammern
EP2361785B1 (fr) * 2010-02-18 2015-11-11 Müller Martini Holding AG Méthode pour relier les produits imprimés avec une machine à relier et la machine à relier.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008013223A1 (de) * 2007-12-14 2009-06-18 Hohner Maschinenbau Gmbh Vorrichtung zum Heften von Druckprodukten, insbesondere von Broschüren, gefalzten bzw. ungefalzten Bogen, Karten oder dergleichen

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EP2939844A1 (fr) 2015-11-04
CN105015208A (zh) 2015-11-04
CN105015208B (zh) 2018-06-05

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