EP1837197A2 - Stapling device with a stapling head for processing round eyelet staples - Google Patents

Stapling device with a stapling head for processing round eyelet staples Download PDF

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Publication number
EP1837197A2
EP1837197A2 EP07103563A EP07103563A EP1837197A2 EP 1837197 A2 EP1837197 A2 EP 1837197A2 EP 07103563 A EP07103563 A EP 07103563A EP 07103563 A EP07103563 A EP 07103563A EP 1837197 A2 EP1837197 A2 EP 1837197A2
Authority
EP
European Patent Office
Prior art keywords
support
clip
eyelet
driver
stapling
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.)
Granted
Application number
EP07103563A
Other languages
German (de)
French (fr)
Other versions
EP1837197A3 (en
EP1837197B1 (en
Inventor
Steffen Hoffmann
Holger Klamt
Siegmar Tischer
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
Original Assignee
Heidelberger Druckmaschinen AG
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1837197A2 publication Critical patent/EP1837197A2/en
Publication of EP1837197A3 publication Critical patent/EP1837197A3/en
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Publication of EP1837197B1 publication Critical patent/EP1837197B1/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F7/00—Nailing or stapling; Nailed or stapled work
    • B27F7/17—Stapling machines
    • B27F7/19—Stapling machines with provision for bending the ends of the staples on to the work
    • B27F7/21—Stapling machines with provision for bending the ends of the staples on to the work with means for forming the staples in the machine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49833—Punching, piercing or reaming part by surface of second part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49833—Punching, piercing or reaming part by surface of second part
    • Y10T29/49835—Punching, piercing or reaming part by surface of second part with shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49954—Fastener deformed after application
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53039—Means to assemble or disassemble with control means energized in response to activator stimulated by condition sensor
    • Y10T29/53061—Responsive to work or work-related machine element
    • Y10T29/53065—Responsive to work or work-related machine element with means to fasten by deformation
    • Y10T29/5307—Self-piercing work part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5343—Means to drive self-piercing work part

Definitions

  • Devices for stapling folded signatures or printed products are used in print finishing in different designs and performance data.
  • saddle stitchers which separate folded printed products by laying them down, collecting and gathering them, for example, on a transport chain or the like, and then feeding them to a stitching station and then optionally to a further processing unit for edge trimming, a display or the like.
  • Such a saddle stitcher is for example in the EP 0 916 514 A1 described.
  • the known saddle stitcher has a stitching station in which successive folded sheets are stapled with the aid of a staple, in particular a wire staple.
  • a staple in particular a wire staple.
  • stapling heads arranged above the gathering chain and so-called “clinchers” arranged between the gathering chains instead of the guide bar, which bend over the free ends of the staples pierced by the foldsheet. Stapling stations and stitching heads for this purpose, for example, from the German patent DE 44 44 220 and the German patent application DE 197 12 876 known.
  • the stapling head of the device is either rebuilt or replaced with one whose components are adapted to the geometry of the ring eyebolts or are capable of, from To bend a stitching wire supplied to a wire roll in the geometry of a ring eyelet clip.
  • a stapling head is offered for example by the company Hohner Maschinenbau GmbH in 78532 Tuttlingen, Germany under the name Universal 48 / 5S. It can be converted from a stapling head for normal staples to a stapling head for eyelets by replacing individual components such as the former and the clincher.
  • the clip When driving ring eyelet clamps into the product to be stapled, the clip is supported in the region of the eyelet by a protruding into the eyelet clip support. This prevents the eyelet from deforming as it is driven through the product to be stapled and the pierced legs of the staple are bent together. This is especially important if a few layers of thin paper are stapled.
  • the clip support must be withdrawn in time with her the eyelet area protective support body, so they z. B. on further movement of the stapled product under the stapling head the eyelet releases in time.
  • This is usually effected by the comprehensive in the manner of a two-pronged eyelet, the shoulder of the eyelet clip in the product to be stapled pushing driver just before the dead center of his directed to the printed product stitching movement with its lower edge reaches the bevelled end of the staple support, moves along this and pushes it out of the clip.
  • the clip is already driven so far that the subsequent bending together of the staple legs has no effect on the ⁇ sengeometrie, since then the paper of the staple product supports the clip.
  • the object of the present invention is to ensure that even when stapling consisting of a few or thin layers stapling products with eyelet clips that the ring eyelet as possible not deformed.
  • the staple support is only moved out of the region of the eyelet when the legs of the staples passing through the material to be stapled are largely bent over. Therefore, in the course of its backward movement, the clip support expediently only leaves the support region of the ring eyelet when the clip-side end of the driver has already exceeded the lower end of the clip support opposite the sheet-like material.
  • the return movement of the clip support is derived from or coupled to the movement of the device surrounding the clip end.
  • this need not necessarily be a mechanical coupling.
  • the coupling may also be of an electrical or electronic nature in that the staple support is driven by a separate drive and moves the staple support out of the area of the eyelet when the stapling product arranged around the staple ends completes the clinching operation to such an extent has that no more harmful lateral forces occur, which can lead to a bending in the area of the eyelet.
  • the typical saddle stitcher shown in Figure 1 is designated 1 and has a gathering chain 22 as a transport device. Individual folding sheets or folded signatures 16, 18, 20 from the stacks in the folded sheet feeder 10, 12, 14 are deposited on this gathering chain. Under the gathering chain 22, a guide rail 15 is arranged, the upper portion 21 is formed like a blade and the straight line defines the transport and stitching line.
  • the gathering chain 22 forms, together with the guide strip 15, a substantially roof-shaped support on which the collected signatures 30 are transported astride in the direction of the arrow P to a stitching station 24 in which they are stapled with the aid of staples.
  • FIG. 2 shows one of the stitching heads 26 from FIG. 1 in the stitching station 24 of the saddle stitcher 1 in greater detail.
  • the stapling head body 105 is fixedly connected to a receiving rail 108, which performs a horizontal cyclical movement, in which the stapling head is brought to the transport speed of stapled, accumulated folded sheet stack 30.
  • a slide 19, not shown in this figure, and the drive slide 133 are moved vertically via grooves in two control rails 109 and 110. From the relative movement between the driver slide 133 and slide 19 also the remaining movements in the stapler are derived.
  • a cutting box 120 is arranged, in which the stapling wire 101 is inserted and cut according to the required wire length (Figure 3).
  • the required wire length depends z. B. on the thickness of the stack to staple, as well as the type of wire stitching, so about Ringösenheftung or normal stapling.
  • the stapling head is described in terms of the geometry of its components adapted to the Ringösenheftung.
  • the stitching wire is clamped to the former 160 by a jaw 166 operated by a wire clamp lever 163.
  • the former 160 is cam-controlled to preform the cut stapling piece 101 into a desired staple form with the staple legs open, that is, in the present case, to a ring eyelet.
  • This preformed staple is then driven by the driver 80 into the stack to staple, as explained below with reference to Figures 4a to d.
  • the lower portion of the driver 80 is fork-shaped and has two prongs 81, the undersides and the inner sides are provided with a groove 82.
  • the ring eyelet 3 is detected by the tines 81 and received in the groove 82, wherein the two prongs 81 press the shoulders of the eyelet clip 2 with its underside on the paper sheet stack to be stapled.
  • Behind the driver 80 a about the axis 8 in the slider 19 rotatable staple support 6 is arranged.
  • the staple support 6 has on both sides in the region of the tines 81 of the driver at an angle to these inclined control and support curves 7, on which the tines slide 81 with their lower sides in the symbolized by the arrow A downward movement along and as indicated by the arrow B in the As the driver descends, move the staple support 6 backward.
  • the staple support 6 has a projecting into the interior of the eyelet support body 17, of which the ring eyelet 3 is supported against deformation during driving of the clip 2.
  • Figure 4b shows the lower part of the stapling head during the second half of the downward movement of the slider 19, which has already moved down so far that the attached Umbieger 20 rests on the product to be stapled and the two prongs 81 of the driver 80, the eyelet 3 have driven with their thighs in the product to be stapled.
  • the bracket 2 is guided just laterally in the region of its legs by the outer surfaces of the clip support 6.
  • the driver 80 has almost reached the bottom dead center of the upward / downward movement of the drive slide 133 and, by slipping along the support and control cams 7, has pushed the clip support 6 backwards.
  • the lower edges of the prongs 81 are located approximately at the level of the lower surface 61 of the clip support 6, ie the eyelet clip 2 is almost completely driven.
  • Below the stack to staple are located in a clincher box, which is not shown here, two pivotable clincher 51 and 52.
  • the clinchers 51, 52 have the pierced legs of the eyelet clip so far bent that subsequently until the complete bending only a smaller Bending capacity is required. In the described position, the support body 17 is still within the eyelet and assures them against collapsing due to the still existing bending forces of clinchers 51 and 52.
  • the exact time can be brought about by a corresponding shaping of the formed on the tines 81 of the driver 80 control cam 83 and the chamfer 84.
  • the eyelet clip 2 is released at a time by the support body 17 of the staple support 6, to which the bending of the staple legs by the clinchers 51, 52 is completed so far that no bending stresses can disturb the shape of the eyelet 3 more.
  • a supporting effect of stapling stack is no longer required as a stabilizing element.
  • driver 80 still travels a particularly significant path towards its bottom dead center to move the protruding support body 17 out of the area of the eyelet 3. Rather, it is also possible to make the movements of the slide 19, 133 so that the flush of the undersides of driver 80 and bender 20 and staple support 6 is made at the bottom dead center of the driver movement. If then the slider 19 with the bracket support 6 immediately after this time is back on the way up, it is in the course of their upward movement on the slope 84 adjacent pivoted backwards and the support body 17 are the ring eyelet 3 free.
  • the pivoting movement of the staple support 6 to provide its own, separate from the movement of the stapling head relative to the stapler or to the driver, separate drive.
  • the staple support of the downward movement of the driver slide 133 can be controlled independently, for example, matched to the closing or bending movement of the clincher 51, 52.
  • the reciprocating movement of the driver 80 is effected by an eccentric cam 90, which in turn is driven by a motor 92 via a shaft 91.
  • the clip support 6 is pivotable about the axis 8, as indicated by the arrow B, and is moved by a second motor 94 via another eccentric cam 93.
  • the two motors 92 and 94 are controlled by an electronic control unit 95 which, as indicated by the signal input 99, is synchronized with the movement sequences in the saddle stitcher 1. Furthermore, the control unit 95 is connected via a signal and control line 98 to the clincher box 50, in which the clinchers 51 and 52 and the drives, not shown, for accommodating the staple movement of the clincher are housed.
  • the control unit 95 receives via the signal line 98, a control signal at the time at which the clinchers 51, 52 have bent the legs of the clip 2 so far that no harmful transverse forces occur more. This signal serves to control the motor 94, which moves the staple support 6 out of the clamp via the eccentric disc 93.
  • the stapler according to the invention can of course be used in many different devices of the print finishing, not only saddle stitchers, but also, for example, in finishing modules of copiers or digital printing machines, but also in completely different areas such.

Abstract

The method involves pressing a driver (80) onto shoulders of staples and driving-in the staples into a sheet-like material. An eyelet region of the staples is supported with a staple support (6) introduced between sides of the staples during driving-in of staples. The support is moved out from an eyelet region only when the sides passing through the material are largely bent. The support is removed from a supporting region of the eyelet during a return movement of the support, when a staple end of the driver passes beyond a bottom end of the support located opposite the material. An independent claim is also included for a wire stitcher with a stitching head.

Description

Vorrichtungen zum Heften von gefalzten Signaturen bzw. Druckprodukten werden in der Druckweiterverarbeitung in unterschiedlichen Bauformen und Leistungsdaten eingesetzt. Verbreitet sind beispielsweise so genannte "Sammelhefter", die gefalzte Druckprodukte vereinzeln, indem sie diese beispielsweise auf einer Transportkette oder dergleichen ablegen, sammeln und zusammentragen und sie dann einer Heftstation und anschließend gegebenenfalls einer Weiterverarbeitungseinheit für den Randbeschnitt, einer Auslage oder dergleichen zuführen. Ein solcher Sammelhefter ist beispielsweise in der EP 0 916 514 A1 beschrieben.Devices for stapling folded signatures or printed products are used in print finishing in different designs and performance data. For example, what are known as "saddle stitchers" which separate folded printed products by laying them down, collecting and gathering them, for example, on a transport chain or the like, and then feeding them to a stitching station and then optionally to a further processing unit for edge trimming, a display or the like. Such a saddle stitcher is for example in the EP 0 916 514 A1 described.

Der bekannte Sammelhefter besitzt eine Heftstation, in der aufeinander liegende Falzbogen mit Hilfe einer Klammer, insbesondere einer Drahtklammer, geheftet werden. Hierzu dienen oberhalb der Sammelkette angeordnete Heftköpfe und zwischen den Sammelketten anstelle der Führungsleiste angeordnete so genannte "Klinscher", welche die freien Enden der durch die Falzbogen gestochenen Klammern umbiegen. Heftstationen und Heftköpfe für diesen Zweck sind beispielsweise auch aus der deutschen Patentschrift DE 44 44 220 und der deutschen Offenlegungsschrift DE 197 12 876 bekannt.The known saddle stitcher has a stitching station in which successive folded sheets are stapled with the aid of a staple, in particular a wire staple. For this purpose, stapling heads arranged above the gathering chain and so-called "clinchers" arranged between the gathering chains instead of the guide bar, which bend over the free ends of the staples pierced by the foldsheet. Stapling stations and stitching heads for this purpose, for example, from the German patent DE 44 44 220 and the German patent application DE 197 12 876 known.

Wenn in einer solchen Heftvorrichtung anstelle von einfachen Drahtklammern Ringösenklammern zum Heften der gestapelten Druckprodukte verwendet werden sollen, wird der Heftkopf der Vorrichtung entweder umgebaut oder gegen einen solchen gewechselt, dessen Bauteile an die Geometrie der Ringösenklammern angepasst sind bzw. in der Lage sind, den von einer Drahtrolle zugeführten Heftdraht in die Geometrie einer Ringösenklammer zu biegen. Ein solcher Heftkopf wird beispielsweise von der Fa. Hohner Maschinenbau GmbH in 78532 Tuttlingen, Deutschland unter der Bezeichnung Universal 48/5S angeboten. Er lässt sich durch Auswechseln einzelner Baugruppen wie Former und Umbieger von einem Heftkopf für Normalklammern auf einen Heftkopf für Ringösen umbauen.If in such a stapling device instead of simple staples ring eyelets for stapling the stacked printed products to be used, the stapling head of the device is either rebuilt or replaced with one whose components are adapted to the geometry of the ring eyebolts or are capable of, from To bend a stitching wire supplied to a wire roll in the geometry of a ring eyelet clip. Such a stapling head is offered for example by the company Hohner Maschinenbau GmbH in 78532 Tuttlingen, Germany under the name Universal 48 / 5S. It can be converted from a stapling head for normal staples to a stapling head for eyelets by replacing individual components such as the former and the clincher.

Beim Eintreiben von Ringösenklammern in das zu heftende Produkt wird die Klammer im Bereich der Ringöse von einer in die Öse hineinragenden Klammerstütze gestützt. Dadurch wird verhindert, dass sich die Öse verformt, wenn sie durch das zu heftende Produkt getrieben wird und die durchgestochenen Schenkel der Klammer zusammengebogen werden. Das ist insbesondere dann wichtig, wenn wenige Lagen aus dünnem Papier geheftet werden.When driving ring eyelet clamps into the product to be stapled, the clip is supported in the region of the eyelet by a protruding into the eyelet clip support. This prevents the eyelet from deforming as it is driven through the product to be stapled and the pierced legs of the staple are bent together. This is especially important if a few layers of thin paper are stapled.

Allerdings muss die Klammerstütze mit ihrem den Ösenbereich schützenden Stützkörper auch wieder rechtzeitig zurückgezogen werden, damit sie z. B. beim Weiterbewegen des gehefteten Produkts unter dem Heftkopf die Öse rechtzeitig freigibt. Dies wird in der Regel dadurch bewirkt, dass der nach Art einer zweizinkigen Gabel die Öse umfassende, die Schulter der Ringösenklammer in das zu heftende Produkt drückende Treiber kurz vor dem Totpunkt seiner auf das Druckprodukt gerichteten Heftbewegung mit seiner Unterkante das abgeschrägte Ende der Klammerstütze erreicht, an dieser entlangfährt und diese dabei aus der Klammer herausdrückt.However, the clip support must be withdrawn in time with her the eyelet area protective support body, so they z. B. on further movement of the stapled product under the stapling head the eyelet releases in time. This is usually effected by the comprehensive in the manner of a two-pronged eyelet, the shoulder of the eyelet clip in the product to be stapled pushing driver just before the dead center of his directed to the printed product stitching movement with its lower edge reaches the bevelled end of the staple support, moves along this and pushes it out of the clip.

Bei dickeren Heftprodukten oder stabilem Papier ist dann die Klammer schon so weit eingetrieben, dass das darauf folgende Zusammenbiegen der Klammerschenkel keine Auswirkungen mehr auf die Ösengeometrie hat, da dann das Papier des Heftprodukts die Klammer stützt.For thicker stapling products or sturdy paper then the clip is already driven so far that the subsequent bending together of the staple legs has no effect on the Ösengeometrie, since then the paper of the staple product supports the clip.

Bei Heftprodukten aus wenigen Bögen dünnen Papiers sind die Bögen den von der Klammer auf sie ausgeübten Querkräften nicht gewachsen. Sie können die eingetriebene Klammer nicht gegen seitliches Ausweichen stützen, sondern reißen ein. Daher kann es beim Zusammenbiegen der Schenkel der Klammer selbst in der kurzen Zeit zwischen dem Zurückfahren der Klammerstütze und dem Schließen der Klammer zu Verformungen kommen, bei der die Öse "zusammenbricht", wie das in der schematischen Darstellung nach Figur 5 skizziert ist.For staple products made from a few sheets of thin paper, the sheets are not equal to the lateral forces exerted by the clamp on them. You can not support the driven clip against lateral Dodge, but tear. Therefore, during the bending of the legs of the clip, even in the short time between the retraction of the clip support and the closing of the clip, deformation may occur in which the eyelet "collapses", as sketched in the schematic representation of FIG.

Die Aufgabe der vorliegenden Erfindung ist es, auch beim Heften von aus wenigen bzw. dünnen Lagen bestehenden Heftprodukten mit Ringösenklammern sicherzustellen, dass sich die Ringöse möglichst nicht verformt.The object of the present invention is to ensure that even when stapling consisting of a few or thin layers stapling products with eyelet clips that the ring eyelet as possible not deformed.

Gelöst wird diese Aufgabe mit den in den unabhängigen Ansprüchen 1 und 7 angegebenen Merkmalen.This object is achieved with the features specified in the independent claims 1 and 7.

Hierzu ist vorgesehen, dass die Klammerstütze erst dann aus dem Bereich der Ringöse herausbewegt wird, wenn die durch das zu heftende Material hindurch tretenden Schenkel der Klammern weitgehend umgebogen sind. Die Klammerstütze verlässt deshalb im Zuge ihrer Rückwärtsbewegung den Stützbereich der Ringöse zweckmäßigerweise erst dann, wenn das klammerseitige Ende des Treibers das dem blattförmigen Material gegenüberliegende, untere Ende der Klammerstütze bereits überschritten hat.For this purpose, it is provided that the staple support is only moved out of the region of the eyelet when the legs of the staples passing through the material to be stapled are largely bent over. Therefore, in the course of its backward movement, the clip support expediently only leaves the support region of the ring eyelet when the clip-side end of the driver has already exceeded the lower end of the clip support opposite the sheet-like material.

Erreicht werden kann dies beispielsweise dadurch, dass die Zurückbewegung der Klammerstütze von der Bewegung der die Klammerenden umbiegenden Einrichtung abgeleitet wird oder mit dieser gekoppelt ist. Hier muss es sich selbstverständlich nicht zwangsläufig um eine mechanische Kopplung handeln. Die Kopplung kann auch elektrischer bzw. elektronischer Natur sein, indem die Klammerstütze von einem separaten Antrieb angetrieben wird und diese die Klammerstütze aus dem Bereich der Ringöse heraus bewegt, wenn die unter dem Heftprodukt angeordnete Einrichtung, die die Klammerenden umbiegt, den Umbiegevorgang so weitgehend abgeschlossen hat, dass keine schädlichen Querkräfte mehr auftreten, die zu einer Verbiegung im Bereich der Ringöse führen können.This can be achieved, for example, by virtue of the fact that the return movement of the clip support is derived from or coupled to the movement of the device surrounding the clip end. Of course, this need not necessarily be a mechanical coupling. The coupling may also be of an electrical or electronic nature in that the staple support is driven by a separate drive and moves the staple support out of the area of the eyelet when the stapling product arranged around the staple ends completes the clinching operation to such an extent has that no more harmful lateral forces occur, which can lead to a bending in the area of the eyelet.

Besonders vorteilhaft ist jedoch auch eine Lösung, bei der die Rückwärtsbewegung der Klammerstütze aus dem Bereich der Ringöse heraus durch eine Steuerkurve oder einen Nocken bewirkt wird, die erst kurz vor dem unteren Totpunkt der Heftbewegung des Treibers wirksam wird.However, a solution in which the rearward movement of the staple support out of the region of the ring eyelet is effected by a control cam or a cam which only becomes effective shortly before the bottom dead center of the stapling movement of the driver is also particularly advantageous.

Weitere Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Figuren 1 bis 6 der beigefügten Zeichnungen.Further advantages of the invention will become apparent from the following description of embodiments with reference to Figures 1 to 6 of the accompanying drawings.

Hierbei zeigen:

Figur 1
eine vereinfachte schematische Darstellung eines Sammelhefters mit einer Heftstation,
Figur 2
eine perspektivische Darstellung des in der Heftstation 24 des Sammelhefters nach Figur 1 geführten Heftkopfs 26,
Figur 3
einen Ausschnitt des unteren Bereichs des Heftkopfs 26 aus Figur 2 in vergrößertem Maßstabe,
Figuren 4a-d
vereinfachte Darstellungen der wesentlichen Bauteile des Heftkopfs 26 aus Figur 2 und 3 aus unterschiedlichen Ansichten und in unterschiedlichen Stadien des Bewegungsablaufs beim Heften mit Ringösen,
Figur 5
eine schematische Skizze zur Verdeutlichung des "Zusammenbrechens" einer ungestützten Ringöse beim Umbiegen der Schenkel, und
Figur 6
eine vereinfachte schematische Darstellung eines weiteren Ausführungsbeispiels der Erfindung.
Hereby show:
FIG. 1
a simplified schematic representation of a saddle stitcher with a stitching station,
FIG. 2
3 is a perspective view of the stapling head 26 guided in the stitching station 24 of the saddle stitcher according to FIG. 1,
FIG. 3
a section of the lower portion of the stapling head 26 of Figure 2 on an enlarged scale,
FIGS. 4a-d
simplified representations of the essential components of the stapling head 26 of Figure 2 and 3 from different views and in different stages of the movement when stitching with eyelets,
FIG. 5
a schematic sketch to illustrate the "collapse" of an unsupported ring eyelet when bending the legs, and
FIG. 6
a simplified schematic representation of another embodiment of the invention.

Der in Figur 1 dargestellte typische Sammelhefter ist mit 1 bezeichnet und besitzt eine Sammelkette 22 als Transporteinrichtung. Auf diese Sammelkette werden einzelne Falzbogen oder gefalzte Signaturen 16, 18, 20 aus den Stapeln in den Falzbogenanlegern 10, 12, 14 abgelegt. Unter der Sammelkette 22 ist eine Führungsleiste 15 angeordnet, deren oberer Abschnitt 21 schneidenförmig ausgebildet ist und deren Geradlinie die Transport- und Heftlinie festlegt. Die Sammelkette 22 bildet zusammen mit der Führungsleiste 15 eine im Wesentlichen dachförmige Auflage, auf der die gesammelten Falzbogen 30 rittlings in Richtung des Pfeils P zu einer Heftstation 24 transportiert werden, in der sie mit Hilfe von Klammern geheftet werden. Hierzu dienen oberhalb der Sammelkette angeordnete Heftköpfe 26 sowie darunter angeordnete Paare von Klinschern 51/52, welche die freien Enden der von den Heftköpfen 26 durch die Falzbogenstapel 30 gestochenen Klammern umbiegen.The typical saddle stitcher shown in Figure 1 is designated 1 and has a gathering chain 22 as a transport device. Individual folding sheets or folded signatures 16, 18, 20 from the stacks in the folded sheet feeder 10, 12, 14 are deposited on this gathering chain. Under the gathering chain 22, a guide rail 15 is arranged, the upper portion 21 is formed like a blade and the straight line defines the transport and stitching line. The gathering chain 22 forms, together with the guide strip 15, a substantially roof-shaped support on which the collected signatures 30 are transported astride in the direction of the arrow P to a stitching station 24 in which they are stapled with the aid of staples. For this purpose, stitching heads 26 arranged above the gathering chain and pairs of clinicians 51/52 arranged underneath them, which bend over the free ends of the staples punched by the stapling heads 26 through the folded-sheet stacks 30.

In Figur 2 ist einer der Heftköpfe 26 aus Figur 1 in der Heftstation 24 des Sammelhefters 1 näher dargestellt. Der Heftkopfgrundkörper 105 ist mit einer Aufnahmeschiene 108 fest verbunden, die eine horizontale zyklische Bewegung ausführt, bei der der Heftkopf auf die Transportgeschwindigkeit des zu heftenden, gesammelten Falzbogenstapels 30 gebracht wird. Zusätzlich zur seitlichen Verschiebung der Aufnahmeschiene 108 werden über Nuten in zwei Steuerschienen 109 und 110 ein in dieser Figur nicht dargestellter Schieber 19 und der Treiberschieber 133 vertikal bewegt. Aus der Relativbewegung zwischen Treiberschieber 133 und Schieber 19 werden außerdem die übrigen Bewegungen in der Heftvorrichtung abgeleitet.FIG. 2 shows one of the stitching heads 26 from FIG. 1 in the stitching station 24 of the saddle stitcher 1 in greater detail. The stapling head body 105 is fixedly connected to a receiving rail 108, which performs a horizontal cyclical movement, in which the stapling head is brought to the transport speed of stapled, accumulated folded sheet stack 30. In addition to the lateral displacement of the receiving rail 108, a slide 19, not shown in this figure, and the drive slide 133 are moved vertically via grooves in two control rails 109 and 110. From the relative movement between the driver slide 133 and slide 19 also the remaining movements in the stapler are derived.

An dem Heftkopfgrundkörper 105 ist ein Abschneidkasten 120 angeordnet, in den der Heftdraht 101 eingeführt wird und entsprechend der erforderlichen Drahtlänge abgeschnitten wird (Figur 3). Dabei hängt die erforderliche Drahtlänge z. B. von der Dicke des zu heftenden Stapels ab, sowie von der Art der Drahtheftung, also etwa Ringösenheftung oder normale Klammerheftung. Im Folgenden ist jedoch der Heftkopf hinsichtlich der Geometrie seiner Bauteile angepasst an die Ringösenheftung beschrieben.On the stapling head main body 105, a cutting box 120 is arranged, in which the stapling wire 101 is inserted and cut according to the required wire length (Figure 3). The required wire length depends z. B. on the thickness of the stack to staple, as well as the type of wire stitching, so about Ringösenheftung or normal stapling. In the following, however, the stapling head is described in terms of the geometry of its components adapted to the Ringösenheftung.

Damit der abgeschnittene Heftdraht 101 nicht herunterfällt, wird der Heftdraht von einer Klemmbacke 166, die von einem Drahtklemmhebel 163 betätigt wird, an dem Former 160 festgeklemmt. Der Former 160 wird derart kurvengesteuert, dass er das abgeschnittene Heftdrahtstück 101 in eine gewünschte Heftklammerform mit geöffneten Klammerschenkeln vorformt, also im vorliegenden Falle zu einer Ringöse. Diese vorgeformte Heftklammer wird dann mittels des Treibers 80 in den zu heftenden Stapel eingetrieben, wie das nachstehend anhand der Figuren 4a bis d erläutert ist.To prevent the cut stitching wire 101 from falling, the stitching wire is clamped to the former 160 by a jaw 166 operated by a wire clamp lever 163. The former 160 is cam-controlled to preform the cut stapling piece 101 into a desired staple form with the staple legs open, that is, in the present case, to a ring eyelet. This preformed staple is then driven by the driver 80 into the stack to staple, as explained below with reference to Figures 4a to d.

Für das Verständnis weiterer Funktionen des Heftkopfes, die an dieser Stelle nicht näher beschrieben sind, wird auf die am 19.09.2005 eingereichte Patentanmeldung der Anmelderin mit der Anmeldenummer DE 10 2005 044 707.4 verwiesen, auf die an dieser Stelle voll inhaltlich Bezug genommen wird.For the understanding of other functions of the stapling head, which are not described in detail here, is on the patent application filed on 19.09.2005 the applicant with the application number DE 10 2005 044 707.4 to which reference is made in full at this point.

Der untere Bereich des Treibers 80 ist gabelförmig ausgebildet und besitzt zwei Zinken 81, deren Unterseiten und deren Innenseiten mit einer Nut 82 versehen sind. Bei der Abwärtsbewegung des Treibers wird die Ringöse 3 von den Zinken 81 erfasst und in der Nut 82 aufgenommen, wobei die beiden Zinken 81 mit ihrer Unterseite die Schultern der Ringösenklammer 2 auf den zu heftenden Papierbogenstapel drücken. Hinter dem Treiber 80 ist eine um die Achse 8 im Schieber 19 drehbare Klammerstütze 6 angeordnet. Die Klammerstütze 6 besitzt beidseitig im Bereich der Zinken 81 des Treibers im Winkel zu diesen geneigte Steuer- und Stützkurven 7, auf denen die Zinken 81 mit ihren Unterseiten im Zuge der durch den Pfeil A symbolisierten Abwärtsbewegung entlang gleiten und wie durch den Pfeil B angedeutet im Zuge der Abwärtsbewegung des Treibers die Klammerstütze 6 zurückbewegen.The lower portion of the driver 80 is fork-shaped and has two prongs 81, the undersides and the inner sides are provided with a groove 82. In the Downward movement of the driver, the ring eyelet 3 is detected by the tines 81 and received in the groove 82, wherein the two prongs 81 press the shoulders of the eyelet clip 2 with its underside on the paper sheet stack to be stapled. Behind the driver 80 a about the axis 8 in the slider 19 rotatable staple support 6 is arranged. The staple support 6 has on both sides in the region of the tines 81 of the driver at an angle to these inclined control and support curves 7, on which the tines slide 81 with their lower sides in the symbolized by the arrow A downward movement along and as indicated by the arrow B in the As the driver descends, move the staple support 6 backward.

In der Mitte zwischen den beiden Flächen weist die Klammerstütze 6 einen in das Innere der Ringöse hineinragenden Stützkörper 17 auf, von der die Ringöse 3 gegen Verformung beim Eintreiben der Klammer 2 gestützt wird.In the middle between the two surfaces, the staple support 6 has a projecting into the interior of the eyelet support body 17, of which the ring eyelet 3 is supported against deformation during driving of the clip 2.

Figur 4b zeigt den unteren Teil des Heftkopfes während der zweiten Hälfte der Abwärtsbewegung des Schiebers 19, wobei dieser bereits so weit nach unten gefahren ist, dass der daran befestigte Umbieger 20 auf dem zu heftenden Produkt aufliegt und die beiden Zinken 81 des Treibers 80 die Ringöse 3 mit ihren Schenkeln in das zu heftende Produkt eingetrieben haben. Hierbei wird die Klammer 2 gerade noch im Bereich ihrer Schenkel seitlich durch die Außenflächen der Klammerstütze 6 geführt.Figure 4b shows the lower part of the stapling head during the second half of the downward movement of the slider 19, which has already moved down so far that the attached Umbieger 20 rests on the product to be stapled and the two prongs 81 of the driver 80, the eyelet 3 have driven with their thighs in the product to be stapled. Here, the bracket 2 is guided just laterally in the region of its legs by the outer surfaces of the clip support 6.

Der Treiber 80 ist fast an dem unteren Totpunkt der Auf-/Abwärtsbewegung des Treiberschiebers 133 angelangt und hat, indem er an den Stütz- und Steuerkurven 7 entlang geglitten ist, die Klammerstütze 6 nach hinten geschoben. Die Unterkanten der Zinken 81 befinden sich in etwa auf Höhe der unteren Fläche 61 der Klammerstütze 6, d. h. die Ringösenklammer 2 ist nahezu vollständig eingetrieben. Unterhalb des zu heftenden Stapels befinden sich in einem Klinscherkasten, der hier nicht näher dargestellt ist, zwei schwenkbare Klinscher 51 und 52. Die Klinscher 51, 52 haben die durchgestochenen Schenkel der Ringösenklammer so weit umgebogen, dass nachfolgend bis zum vollständigen Umbiegen nur noch eine geringere Biegeleistung erforderlich ist. In der beschriebenen Position befindet sich der Stützkörper 17 noch innerhalb der Ringöse und sichert diese gegen ein Zusammenfallen aufgrund der noch bestehenden Biegekräfte der Klinscher 51 und 52.The driver 80 has almost reached the bottom dead center of the upward / downward movement of the drive slide 133 and, by slipping along the support and control cams 7, has pushed the clip support 6 backwards. The lower edges of the prongs 81 are located approximately at the level of the lower surface 61 of the clip support 6, ie the eyelet clip 2 is almost completely driven. Below the stack to staple are located in a clincher box, which is not shown here, two pivotable clincher 51 and 52. The clinchers 51, 52 have the pierced legs of the eyelet clip so far bent that subsequently until the complete bending only a smaller Bending capacity is required. In the described position, the support body 17 is still within the eyelet and assures them against collapsing due to the still existing bending forces of clinchers 51 and 52.

Bis zum unteren Totpunkt der Treiberbewegung in die Stellung nach Figur 4c hat der Treiber 80 jetzt noch einen relativ kleinen Weg von vielleicht 0,5 bis 1 mm zurückzulegen, bei dem er die Schultern der Ringösenklammern 2 auf das zu heftende Produkt aufdrückt. Bei dieser Bewegung, bei der die Unterkante des Treibers 80 die Unterkante 61 der Klammerstütze bereits unterschritten hat, wird wie in Figur 4d dargestellt eine an der Rückseite des Treibers 80 mit einer Dicke Δ angebrachte zusätzliche Steuerkurve wirksam, von deren unterer Schräge 84 der spitz zulaufende Teil der Klammerstütze 6 nochmals so weit nach hinten bewegt wird, dass die Vorderseite des Stützkörpers 17 die Ringöse 3 verlässt und diese freigibt, wie das in dem strichpunktierten Bereich in Figur 4c angedeutet ist. Der exakte Zeitpunkt lässt sich durch eine entsprechende Formgebung der an die Zinken 81 des Treibers 80 angeformten Steuerkurve 83 bzw. der Abschrägung 84 herbeiführen. Somit wird also die Ringösenklammer 2 zu einem Zeitpunkt von dem Stützkörper 17 der Klammerstütze 6 freigegeben, zu dem das Umbiegen der Klammerschenkel durch die Klinscher 51, 52 so weit abgeschlossen ist, dass keine Biegespannungen die Form der Ringöse 3 mehr stören können. Zu diesem Zeitpunkt ist auch eine unterstützende Wirkung des zu heftenden Stapels als Stabilisierungselement nicht mehr erforderlich.Until the bottom dead center of the driver movement in the position of Figure 4c, the driver 80 has now still a relatively small way of perhaps 0.5 to 1 mm cover, in which he presses the shoulders of the ring eyeleg brackets 2 on the stapling product. In this movement, in which the lower edge of the driver 80 has already fallen below the lower edge 61 of the staple support, as shown in FIG. 4d, an additional control cam attached to the rear side of the driver 80 with a thickness Δ becomes effective, from whose lower slope 84 the tapered end Part of the staple support 6 is again moved so far back that the front of the support body 17 leaves the ring eyelet 3 and releases it, as indicated in the dot-dash area in Figure 4c. The exact time can be brought about by a corresponding shaping of the formed on the tines 81 of the driver 80 control cam 83 and the chamfer 84. Thus, therefore, the eyelet clip 2 is released at a time by the support body 17 of the staple support 6, to which the bending of the staple legs by the clinchers 51, 52 is completed so far that no bending stresses can disturb the shape of the eyelet 3 more. At this time, a supporting effect of stapling stack is no longer required as a stabilizing element.

Es ist nicht unbedingt erforderlich, dass der Treiber 80 noch einen besonders nennenswerten Weg in Richtung auf seinen unteren Totpunkt zurücklegt, um den vorstehenden Stützkörper 17 aus dem Bereich der Ringöse 3 herauszubewegen. Vielmehr ist es auch möglich, die Bewegungsabläufe der Schieber 19, 133 so zu gestalten, dass die Bündigkeit der Unterseiten von Treiber 80 und Umbieger 20 bzw. Klammerstütze 6 im unteren Totpunkt der Treiberbewegung hergestellt wird. Wenn sich dann der Schieber 19 mit der Klammerstütze 6 unmittelbar nach diesem Zeitpunkt bereits wieder auf dem Weg nach oben befindet, wird sie im Zuge ihrer Aufwärtsbewegung an der Schräge 84 anliegend nochmals nach hinten verschwenkt wird und der Stützkörper 17 gibt dabei die Ringöse 3 frei.It is not essential that the driver 80 still travels a particularly significant path towards its bottom dead center to move the protruding support body 17 out of the area of the eyelet 3. Rather, it is also possible to make the movements of the slide 19, 133 so that the flush of the undersides of driver 80 and bender 20 and staple support 6 is made at the bottom dead center of the driver movement. If then the slider 19 with the bracket support 6 immediately after this time is back on the way up, it is in the course of their upward movement on the slope 84 adjacent pivoted backwards and the support body 17 are the ring eyelet 3 free.

Weiterhin ist es möglich, für die Schwenkbewegung der Klammerstütze 6 einen eigenen, von der Bewegung des Heftkopfs relativ zur Heftvorrichtung bzw. zum Treiber unabhängigen, separaten Antrieb vorzusehen. Damit kann die Klammerstütze von der Abwärtsbewegung des Treiberschiebers 133 unabhängig gesteuert werden, beispielsweise abgestimmt auf die Schließ- bzw. Biegebewegung der Klinscher 51, 52. Das ist in Figur 6 skizziert. Dort wird die hin- und hergehende Bewegung des Treibers 80 von einer exzentrischen Kurvenscheibe 90 bewirkt, die ihrerseits über eine Welle 91 von einem Motor 92 angetrieben wird. Die Klammerstütze 6 ist wie durch den Pfeil B angedeutet um die Achse 8 schwenkbar und wird über eine weitere Exzenterkurvenscheibe 93 von einem zweiten Motor 94 bewegt. Gesteuert werden die beiden Motoren 92 und 94 von einer elektronischen Steuereinheit 95, die wie durch den Signaleingang 99 angedeutet mit den Bewegungsabläufen in dem Sammelhefter 1 synchronisiert ist. Weiterhin ist die Steuereinheit 95 über eine Signal- und Steuerleitung 98 mit dem Klinscherkasten 50 verbunden, in dem die Klinscher 51 und 52 sowie die nicht dargestellten Antriebe für das Herbeiführen der Klammerbewegung der Klinscher untergebracht sind. Die Steuereinheit 95 erhält über die Signalleitung 98 ein Steuersignal zu dem Zeitpunkt, zu dem die Klinscher 51, 52 die Schenkel der Klammer 2 so weit umgebogen haben, dass keine schädlichen Querkräfte mehr auftreten. Dieses Signal dient dazu, den Motor 94 anzusteuern, der über die Exzenterscheibe 93 die Klammerstütze 6 aus der Klammer herausbewegt.Furthermore, it is possible for the pivoting movement of the staple support 6 to provide its own, separate from the movement of the stapling head relative to the stapler or to the driver, separate drive. Thus, the staple support of the downward movement of the driver slide 133 can be controlled independently, for example, matched to the closing or bending movement of the clincher 51, 52. This is outlined in Figure 6. There, the reciprocating movement of the driver 80 is effected by an eccentric cam 90, which in turn is driven by a motor 92 via a shaft 91. The clip support 6 is pivotable about the axis 8, as indicated by the arrow B, and is moved by a second motor 94 via another eccentric cam 93. The two motors 92 and 94 are controlled by an electronic control unit 95 which, as indicated by the signal input 99, is synchronized with the movement sequences in the saddle stitcher 1. Furthermore, the control unit 95 is connected via a signal and control line 98 to the clincher box 50, in which the clinchers 51 and 52 and the drives, not shown, for accommodating the staple movement of the clincher are housed. The control unit 95 receives via the signal line 98, a control signal at the time at which the clinchers 51, 52 have bent the legs of the clip 2 so far that no harmful transverse forces occur more. This signal serves to control the motor 94, which moves the staple support 6 out of the clamp via the eccentric disc 93.

Die erfindungsgemäße Heftvorrichtung kann natürlich bei vielen verschiedenen Vorrichtungen der Druckweiterverarbeitung eingesetzt werden, nicht nur bei Sammelheftern, sondern beispielsweise auch in Finishing-Modulen von Kopierern oder Digitaldruckmaschinen, aber auch in ganz anderen Bereichen wie z. B. in der Holz verarbeitenden Industrie, z. B. bei der Möbelherstellung, der Herstellung von Bilderrahmen oder dergleichen.The stapler according to the invention can of course be used in many different devices of the print finishing, not only saddle stitchers, but also, for example, in finishing modules of copiers or digital printing machines, but also in completely different areas such. B. in the wood processing industry, eg. As in furniture manufacturing, the production of picture frames or the like.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Sammelheftersaddle stitcher
22
RingösenklammerRingösenklammer
33
Ringöseeyelet
66
Klammerstützeclamp support
77
Klammerstütze/Steuer- und StützkurveClamp support / control and support curve
88th
Achseaxis
10, 12, 1410, 12, 14
FalzbogenanlegerSignature feeder
1515
Führungsleisteguide rail
16, 18, 2016, 18, 20
gefalzte Signaturenfolded signatures
1717
Stützkörpersupport body
1919
Schieberpusher
2020
Umbiegerbenders
2121
FalzbogenstapelFalzbogenstapel
2222
Sammelkettecollecting chain
2424
Heftstationfinisher
2626
Heftköpfestitching heads
3030
FalzbogenstapelFalzbogenstapel
5050
Klinscherkastenclincher box
51,5251.52
Klinscherclinchers
6161
Unterkante KlammerstützeLower edge of bracket support
8080
Treiberdriver
8181
Treiberzinkendrive tines
8282
Nutgroove
8383
KurveCurve
8484
Schrägeslope
9090
ExzenterkurvenscheibeExzenterkurvenscheibe
9191
Wellewave
9292
Motorengine
9393
ExzenterkurvenscheibeExzenterkurvenscheibe
9494
Motorengine
9595
Steuereinheitcontrol unit
9898
Signal- und SteuerleitungSignal and control line
9999
Signaleingangsignal input
101101
Heftdrahtstitching wire
105105
Heftkopf GrundkörperStapling head basic body
108108
Aufnahmeschienereceiving rail
109, 110109, 110
Steuerschienencontrol rails
120120
Abschneidkastencutting box
133133
Treiberschieberdriving blade
160160
Formermolder
163163
DrahtklemmhebelWire clamping lever
166166
Klemmbackejaw

Claims (14)

Verfahren zum Heften von blattförmigen Materialien mittels Ringösenklammern (2), wobei ein Treiber (80) auf die Schultern der Klammern (2) drückt und diese in das blattförmige Material (30) treibt und eine zwischen die Schenkel der Klammern (2) eingebrachte Klammerstütze (6, 17) den Bereich der Öse (3) im Zuge des Eintreibvorganges stützt,
dadurch gekennzeichnet,
dass die Klammerstütze (6, 17) erst dann aus dem Bereich der Öse (3) herausbewegt wird, wenn die durch das blattförmige Material hindurch tretenden Schenkel der Klammern (2)weitgehend umgebogen sind.A method of stapling sheet materials by means of eyelet clips (2), wherein a driver (80) presses on the shoulders of the staples (2) and drives them into the sheet material (30) and a staple support (28) inserted between the legs of the staples (2). 6, 17) supports the region of the eyelet (3) in the course of the driving operation,
characterized,
in that the clip support (6, 17) is not moved out of the region of the eyelet (3) until the legs of the clips (2) passing through the sheet material are largely bent over. Verfahren nach Anspruch 1,
wobei die Klammerstütze (6, 17) im Zuge ihrer Zurückbewegung den Stützbereich der Öse (3) erst dann verlässt, wenn das klammerseitige Ende des Treibers (80) das dem blattförmigen Material gegenüberliegende untere Ende (61) der Klammerstütze (6, 17) bereits überschritten hat.Method according to claim 1,
wherein the clip support (6, 17) in the course of their return movement, the support area of the eyelet (3) leaves only when the clip-side end of the driver (80) the leaf-shaped material opposite the lower end (61) of the clip support (6, 17) already has exceeded. Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Zurückbewegung der Klammerstütze (6, 17) durch einen separaten Antrieb (93, 94) erfolgt.Method according to claim 1 or 2,
characterized,
that the return movement of the clamp support carried (6, 17) by a separate drive (93, 94). Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Zurückbewegung der Klammerstütze (6, 17) aus dem Bereich der Ringöse (3) heraus von der Bewegung einer die Klammerenden umbiegenden Einrichtung (50, 51, 52) abgeleitet oder mit dieser gekoppelt ist.Method according to claim 1 or 2,
characterized,
in that the return movement of the clip support (6, 17) out of the region of the eyelet (3) is derived from or coupled to the movement of a device (50, 51, 52) surrounding the clip end. Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Zurückbewegung der Klammerstütze (6, 17) aus dem Bereich der Öse (3) heraus von der Bewegung des Treibers (80) abgeleitet bzw. mit der Treiberbewegung gekoppelt ist.Method according to claim 1 or 2,
characterized,
in that the return movement of the clip support (6, 17) out of the region of the eyelet (3) is derived from the movement of the driver (80) or coupled to the driver movement. Verfahren nach Anspruch 5,
dadurch gekennzeichnet,
dass die Zurückbewegung der Klammerstütze (6, 17) aus dem Bereich der Öse (3) heraus durch eine Steuerkurve (83) bzw. einen Steuernocken am Treiber (80) bewirkt wird.Method according to claim 5,
characterized,
in that the return movement of the clip support (6, 17) out of the region of the eyelet (3) is effected by a control cam (83) or a control cam on the driver (80). Heftmaschine mit einem Heftkopf (26) zum Heften von blattförmigen Materialien mit vorzugsweise Ringösenklammem (2), wobei der Heftkopf (26) einen Treiber (80) aufweist, der auf die Schultern der Klammern (2) drückt und diese in das blattförmige Material eintreibt, und ferner eine Klammstütze (6, 17) aufweist zur Stützung der Klammern (2) während des Eintreibvorganges sowie eine Biegeeinrichtung (50, 51, 52) zum Umbiegen der durch das blattförmige Material hindurch tretenden Schenkel der Klammern (2) und einen Antrieb zur Bewegung der Klammerstütze (6, 17) aus dem Bereich der Klammer (2) heraus,
dadurch gekennzeichnet,
dass der Antrieb (80, 83, 84; 93, 94) so ausgestaltet bzw. gesteuert ist, dass die Klammerstütze (6, 17) erst dann vollständig aus dem Bereich der Klammer (2) bzw. der Ringöse (3) herausbewegt wird, nachdem die durch das blattförmige Material hindurch tretenden Schenkel der Klammer (2) weitgehend umgebogen sind.Stitching machine having a stapling head (26) for stapling sheet materials with preferably eyelet staples (2), the stapling head (26) having a driver (80) pressing on the shoulders of the staples (2) and driving them into the sheet material, and a clip support (6, 17) for supporting the staples (2) during the driving operation, and bending means (50, 51, 52) for bending the legs of the staples (2) passing through the sheet material and a drive for movement the clip support (6, 17) out of the region of the clip (2),
characterized,
that the drive (80, 83, 84; 93, 94) is designed or controlled so that the clamp support (6, 17) only completely from the area of the clip (2) and the eyelet (3) is moved, after the legs of the clip (2) passing through the sheet material are largely bent over. Heftmaschine nach Anspruch 7,
wobei der Antrieb (80, 83, 84; 93, 94) so ausgestaltet bzw. gesteuert ist, dass die Klammerstütze (6, 17) im Zuge ihrer Zurückbewegung den Stützbereich der Ringöse (3) erst dann verlässt, wenn das klammerseitige Ende des Treibers (80) das dem blattförmigen Material gegenüberliegende untere Ende (61) der Klammerstütze (6, 17) bereits überschritten hat.Stapling machine according to claim 7,
wherein the drive (80, 83, 84, 93, 94) is designed or controlled such that the clip support (6, 17) only leaves the support area of the ring eyelet (3) in the course of its return movement when the clip-side end of the driver (80) has already exceeded the sheet-shaped material lower end (61) of the clip support (6, 17). Heftmaschine nach einem der Ansprüche 7 oder 8,
gekennzeichnet durch
eine bewegungsmäßige Kopplung (95) zwischen der Biegeeinrichtung (50, 51, 52) und der Klammerstütze (6, 17).Stapling machine according to one of claims 7 or 8,
marked by
a moving coupling (95) between the flexure (50, 51, 52) and the clip support (6, 17). Heftmaschine nach einem der Ansprüche 7 bis 9,
dadurch gekennzeichnet,
dass der Antrieb für die Bewegung der Klammerstütze (6, 17) einen separaten, elektrischen Antriebsmotor (94) enthält.Stapling machine according to one of claims 7 to 9,
characterized,
in that the drive for the movement of the staple support (6, 17) contains a separate, electric drive motor (94). Heftmaschine nach einem der Ansprüche 7 oder 8,
gekennzeichnet durch
eine mechanische Kopplung (7) zwischen dem Treiber (80) und der Klammerstütze (6, 17) .Stapling machine according to one of claims 7 or 8,
marked by
a mechanical coupling (7) between the driver (80) and the clip support (6, 17). Heftmaschine,
dadurch gekennzeichnet,
dass die mechanische Kopplung zwischen dem Treiber (80) und der Klammerstütze (6, 17) eine erste Kurve (7) an der Klammerstütze (6) umfasst, an der der Treiber (80) mit seiner der Klammer (2) zugewandten Seite im Bereich der Schultern der Klammer (2) entlanggleitet, und einer zweiten Kurve (83, 84) bzw. einem Nocken an seiner Rückseite, die mit der Klammerstütze (6) zusammenwirkt.Stapler
characterized,
in that the mechanical coupling between the driver (80) and the staple support (6, 17) comprises a first cam (7) on the staple support (6) against which the driver (80) with its side facing the staple (2) is in the range slides along the shoulders of the clip (2), and a second cam (83, 84) or a cam on its back, which cooperates with the clip support (6). Heftmaschine nach Anspruch 12,
wobei die erste Kurve (7) aus zwei Teilkurven besteht.Stapling machine according to claim 12,
wherein the first curve (7) consists of two partial curves. Heftmaschine nach Anspruch 12 oder 13,
wobei die zweite Kurve (83, 84) bzw. der Nocken an die Rückseite des Treibers (80) angeformt ist.Stapling machine according to claim 12 or 13,
wherein the second curve (83, 84) or the cam is formed on the back of the driver (80).
EP07103563A 2006-03-22 2007-03-06 Stapling device with a stapling head for processing round eyelet staples Active EP1837197B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006013171A DE102006013171A1 (en) 2006-03-22 2006-03-22 Stapling device with a stapling head for processing eyelet staples

Publications (3)

Publication Number Publication Date
EP1837197A2 true EP1837197A2 (en) 2007-09-26
EP1837197A3 EP1837197A3 (en) 2011-05-25
EP1837197B1 EP1837197B1 (en) 2012-09-26

Family

ID=38255146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07103563A Active EP1837197B1 (en) 2006-03-22 2007-03-06 Stapling device with a stapling head for processing round eyelet staples

Country Status (3)

Country Link
US (1) US7913378B2 (en)
EP (1) EP1837197B1 (en)
DE (2) DE102006013171A1 (en)

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ITMI20101605A1 (en) * 2010-09-03 2012-03-04 Meccanotecnica Spa STAPLER MACHINE WITH INDEPENDENT POWER SUPPLY STATION
CN101474922B (en) * 2007-10-01 2012-05-30 海德堡印刷机械股份公司 Binding device, gatherer stitching machine with the binding device
US9033329B2 (en) 2010-09-03 2015-05-19 Meccanotecnica S.P.A. Multi-function binding machine

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DE102008034838A1 (en) 2008-07-24 2010-01-28 Heidelberger Druckmaschinen Ag Stapling device with a stapling head for processing eyelet staples
DE102014006250A1 (en) * 2014-04-28 2015-10-29 Müller Martini Holding AG Stapling device for moving a folded sheet assembly and method therefor
DE102015206102A1 (en) * 2014-11-14 2016-05-19 Andreas Lüttich Device for stapling printed products and stapling head
CN106319789B (en) * 2016-06-28 2020-08-21 诸暨创加电子设备有限公司 Embroidery machine, tool and assembly method
CN108817952B (en) * 2018-08-20 2023-07-21 得力集团有限公司 Automatic assembly line for nail puller

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN101474922B (en) * 2007-10-01 2012-05-30 海德堡印刷机械股份公司 Binding device, gatherer stitching machine with the binding device
ITMI20101605A1 (en) * 2010-09-03 2012-03-04 Meccanotecnica Spa STAPLER MACHINE WITH INDEPENDENT POWER SUPPLY STATION
US9033329B2 (en) 2010-09-03 2015-05-19 Meccanotecnica S.P.A. Multi-function binding machine

Also Published As

Publication number Publication date
EP1837197A3 (en) 2011-05-25
US7913378B2 (en) 2011-03-29
US20070220730A1 (en) 2007-09-27
EP1837197B1 (en) 2012-09-26
DE202006020433U1 (en) 2008-07-31
DE102006013171A1 (en) 2007-09-27

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