EP2292395B1 - Cutting box fine-tuning device for a crimp head - Google Patents

Cutting box fine-tuning device for a crimp head Download PDF

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Publication number
EP2292395B1
EP2292395B1 EP20100173697 EP10173697A EP2292395B1 EP 2292395 B1 EP2292395 B1 EP 2292395B1 EP 20100173697 EP20100173697 EP 20100173697 EP 10173697 A EP10173697 A EP 10173697A EP 2292395 B1 EP2292395 B1 EP 2292395B1
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EP
European Patent Office
Prior art keywords
pull rod
cutting box
tie rod
bolt
fine
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
Application number
EP20100173697
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German (de)
French (fr)
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EP2292395A3 (en
EP2292395A2 (en
Inventor
Bernd Hörig
Frank Weise
Holger Klamt
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP2292395A2 publication Critical patent/EP2292395A2/en
Publication of EP2292395A3 publication Critical patent/EP2292395A3/en
Application granted granted Critical
Publication of EP2292395B1 publication Critical patent/EP2292395B1/en
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Classifications

    • 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

Definitions

  • the invention relates to a Schneidkastenfeinver einsvorraum for a stapling head according to the preamble of claim 1 and a method for cutting box fine adjustment according to the preamble of claim 4.
  • saddle stitchers are widely used which deposit folded sheet printed products on a transport chain, collect and gather them and then feed them to a stapling station and then optionally to a further processing unit for edge trimming, a delivery 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 stapling heads for this purpose are also known, for example, from the German patent DE 44 44 220 and the German Offenlegungsschrift DE 197 12 876 known.
  • the stapling heads used form this usually the staples of wire immediately before the actual stapling process.
  • the wire is usually withdrawn from a wire supply roll and fed to the stapling head.
  • In the stapling head of the wire is cut to the required length, bent to staple, pushed into the stapled and bent over to the leg ends of the staple.
  • the cutting of the wire in the required length is done in the so-called cutting box of the stapling head.
  • the cutting box has, for example, a circular blade and an attached flat blade.
  • the wire is passed through the circular blade and cut in a shearing motion with the flat blade sliding along the circular blade.
  • the bent clip legs should be as close as possible to each other, but not overlap. Therefore, it is necessary to adjust the length of the staples to the product to be stapled.
  • the cutting box is mounted laterally adjustable to the stapling head.
  • Object of the present invention is therefore to provide a Schneidkastenfeinver einsvorraum and a method by means of the cutting box can be easily adjusted quickly, easily and without tools.
  • a slider is mounted, wherein the upper tie rod is fastened to the lower tie rod via fastening means, which have sliding discs on their side facing the upper tie rod.
  • the lower tie rod has a pin which is mounted in a slot of a lever which is pivotally mounted via a hinge in a stapling head housing.
  • the slider is attached to the lower drawbar.
  • FIG. 1 illustrated typical saddle stitcher 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. 3 and 4 is one of the stitching heads 26 off FIG. 1 according to a prior art known to the applicant.
  • Stapling heads of this type are sold, for example, by the company Heidelberger Druckmaschinen AG under the name 52-N14 for saddle stitcher.
  • FIG. 2 shows here the central machine-side adjustment of the cutting box of a stapling head according to FIG. 3 and 4 .
  • the stapling head 26 is mounted with its nose 5 at the upper end of the upper tie rod 60 in the adjustment bar 4, and with its nose 2 in the drive bar 3 of the stitching station.
  • a product strip 42 is clamped at the nip 44 in a known manner. This distance is via a rocker not shown in a known manner to the drive bar 3 and the Adjustment bar 4 transferred.
  • the upper tie rod 60 is secured by screws 8 to the lower tie rod 62.
  • FIG. 5 now shows how an up and down movement of the tie rods causes a lateral movement of the cutting box.
  • a bolt 64 which is mounted in a slotted guide 66, which is formed as a slanted slot 66.
  • this movement is transmitted via the lower tie rod 62 on the bolt 64, which transmits this movement via the slide guide 66 and a slide guide 67 shown only schematically on the cutting box holder 68 which moves sideways.
  • the wire length is corrected in a known manner via a knurled screw 6 on the stapling head.
  • the symmetry of the advanced staple piece is corrected in a known manner via a lateral displacement of the cutting box 7.
  • the connecting screws 8, which connect the upper tie rod 60 to the lower tie rod 62 via a connecting piece 70, must first be loosened.
  • the lower tie rod 62 can now be adjusted relative to the upper tie rod 60 in a known manner, with the screws 8 move in the slot 72 of the connector according to up or down.
  • the adjustment of the lower drawbar 62 then effected via the bolt 64 with the slide guide 66 via the slide guide 67, the necessary lateral correction of the cutting box 7. After the fine adjustment of the cutting box 7, the screws 8 are tightened again.
  • FIGS. 6 to 11 show a Schneidkastenfeinver einsvorraum invention.
  • the parts which are essential for the function of the cutting box fine adjustment device are shown for the sake of clarity.
  • the fine adjustment of the cutting box 91 is carried out without tools via the lever 87.
  • the lever 87 is pivotally mounted in the stapling head housing 90 in the rotary joint 88, so that it can be pivoted upwards or downwards (see arrow in FIG. 9 ).
  • the lever 87 has a slot 92 ( Figure 10 ).
  • a pin 89 which is attached to the lower tie rod 84, 84 positively connected to the lower tie rod.
  • the lower tie rod 84 is connected to an upper tie rod 80 via screws 82.
  • the screws 82 are each arranged in a slot 83, 83 'of the upper tie rod 80 and provided with sliding discs.
  • a bolt 81 is mounted, which is mounted in a known manner in the adjustment bar 4.
  • a slider 85 is mounted between the upper tie rod 80 and the lower tie rod 84.
  • the slider 85 and the sliding discs 86 are chosen in their material properties so that the static friction between slider 85 and upper tie rod 80 and between sliding discs 86 and pull rod 80 is smaller than the self-locking of a worm gear not shown hand drive 40 for machine-side adjustment of the cutting box 91st This makes it possible to finely adjust the cutting box without loosening the screws 82 and without the need for a special tool must be kept by, for example, via the lever 87 initiates a force which is greater than the static friction between the slider 85 and the upper tie rod 80 and between sliding discs 86 and pull rod 80th
  • the lever 87 is pivoted about the pivot point 88.
  • the bolt 89 is moved in the slot 92 corresponding up or down, resulting in a corresponding movement of the lower tie rod 84.
  • the lower tie rod 84 moves with the attached thereto slider 85 relative to the upper tie rod 80. This displacement leads via the pin 93 in the slide guide 95 of the cutting box holder 94 to a lateral adjustment of the cutting box 91st

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Basic Packing Technique (AREA)

Description

Die Erfindung betrifft eine Schneidkastenfeinverstellungsvorrichtung für einen Heftkopf gemäß dem Oberbegriff von Anspruch 1 und ein Verfahren zur Schneidekastenfeinverstellung gemäß Oberbegriff von Anspruch 4.The invention relates to a Schneidkastenfeinverstellungsvorrichtung for a stapling head according to the preamble of claim 1 and a method for cutting box fine adjustment according to the preamble of claim 4.

Vorrichtungen zum Heften von gefalzten Signaturen bzw. Druckprodukten werden in der Druckweiterverarbeitung in unterschiedlichen Bauformen und Leistungsdaten eingesetzt. Verbreitet sind beispielsweise sogenannte "Sammelhefter", die gefalzte Druckprodukte auf einer Transportkette 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, so-called "saddle stitchers" are widely used which deposit folded sheet printed products on a transport chain, collect and gather them and then feed them to a stapling station and then optionally to a further processing unit for edge trimming, a delivery 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 sogenannte "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 stapling heads for this purpose are also known, for example, from the German patent DE 44 44 220 and the German Offenlegungsschrift DE 197 12 876 known.

Die verwendeten Heftköpfe bilden hierzu in der Regel die Heftklammern aus Draht unmittelbar vor dem eigentlichen Heftvorgang. Der Draht wird üblicherweise von einer Drahtvorratsrolle abgezogen und dem Heftkopf zugeführt. Im Heftkopf wird der Draht in der benötigten Länge abgeschnitten, zur Heftklammer gebogen, in das Heftgut eingestoßen und an den Schenkelenden der Heftklammer umgebogen. Das Abschneiden des Drahtes in der benötigten Länge geschieht im sogenannten Schneidkasten des Heftkopfes. Der Schneidkasten weist beispielsweise ein Rundmesser sowie ein daran anliegendes Flachmesser auf. Der Draht wird durch das Rundmesser durchgeführt und mit dem an dem Rundmesser entlang gleitenden Flachmesser in einer Scherbewegung abgeschnitten.The stapling heads used form this usually the staples of wire immediately before the actual stapling process. The wire is usually withdrawn from a wire supply roll and fed to the stapling head. In the stapling head of the wire is cut to the required length, bent to staple, pushed into the stapled and bent over to the leg ends of the staple. The cutting of the wire in the required length is done in the so-called cutting box of the stapling head. The cutting box has, for example, a circular blade and an attached flat blade. The wire is passed through the circular blade and cut in a shearing motion with the flat blade sliding along the circular blade.

Hierbei werden an die Heftklammern im fertig gehefteten Produkt hohe Qualitätsanforderungen gestellt. So sollen die umgebogenen Klammerschenkel beispielsweise möglichst nahe aneinander liegen, jedoch nicht überlappen. Deshalb ist es notwendig die Klammern in ihrer Länge an das jeweilige zu heftende Produkt anzupassen. Um hierbei die Klammern trotz unterschiedlicher Länge symmetrisch zu formen, wird der Schneidkasten seitlich verstellbar zum Heftkopf angebracht.Hereby, high quality requirements are placed on the staples in the finished stapled product. For example, the bent clip legs should be as close as possible to each other, but not overlap. Therefore, it is necessary to adjust the length of the staples to the product to be stapled. In order to form the staples symmetrically despite different lengths, the cutting box is mounted laterally adjustable to the stapling head.

Bei den bisher bekannten Heftköpfen erfolgt die seitliche Verstellung zum einen über eine zentrale Verstellung am Sammelhefter und zum anderen die Feinverstellung mittels Werkzeugen am Heftkopf selbst. Die bisherigen Lösungen sind hierbei sehr zeitaufwändig.In the previously known stitching heads, the lateral adjustment takes place on the one hand via a central adjustment on the saddle stitcher and on the other hand, the fine adjustment by means of tools on the stapling head itself. The previous solutions are very time consuming.

Aufgabe der vorliegenden Erfindung ist es deshalb eine Schneidkastenfeinverstellungsvorrichtung und ein Verfahren zu schaffen, mittels der der Schneidkasten einfach, schnell und ohne Werkzeug fein justiert werden kann.Object of the present invention is therefore to provide a Schneidkastenfeinverstellungsvorrichtung and a method by means of the cutting box can be easily adjusted quickly, easily and without tools.

Gelöst wird die Aufgabe durch eine Schneidkastenfeinverstellungsvorrichtung mit den kennzeichnenden Merkmalen von Anspruch 1 und ein Verfahren mit den kennzeichnenden Merkmalen von Anspruch 4.The object is achieved by a Schneidkastenfeinverstellungsvorrichtung with the characterizing features of claim 1 and a method with the characterizing features of claim 4.

Zwischen unterer Zugstange und oberer Zugstange ist ein Gleitstück angebracht, wobei die obere Zugstange über Befestigungsmittel, die an ihrer der oberen Zugstange zugewandten Seite Gleitscheiben aufweisen, an der unteren Zugstange befestigt ist. Hierdurch wird ermöglicht, dass die untere Zugstange bei entsprechender Krafteinleitung relativ zur oberen Zugstange bewegbar ist.Between the lower tie rod and the upper tie rod, a slider is mounted, wherein the upper tie rod is fastened to the lower tie rod via fastening means, which have sliding discs on their side facing the upper tie rod. This makes it possible that the lower tie rod is movable relative to the upper tie rod with a corresponding introduction of force.

Die untere Zugstange weist einen Bolzen auf, der in einem Langloch eines Hebels gelagert ist, der über ein Drehgelenk verschwenkbar in einem Heftkopfgehäuse gelagert ist. Hierdurch ist es möglich eine einfache und schnelle Feinverstellung des Schneidkastens vorzunehmen, ohne dass spezielle Werkzeuge benötigt werden und ohne dass vor der Verstellung die Befestigungsmittel von oberer zu unterer Zugstange gelöst werden müssen.The lower tie rod has a pin which is mounted in a slot of a lever which is pivotally mounted via a hinge in a stapling head housing. This makes it possible to make a simple and quick fine adjustment of the cutting box without special tools are needed and without the attachment of the upper to lower tie rod must be solved before the adjustment.

In einer bevorzugten Ausführungsform ist das Gleitstück an der unteren Zugstange befestigt.In a preferred embodiment, the slider is attached to the lower drawbar.

Nachfolgend wird die Erfindung anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels beschrieben.The invention will be described with reference to an embodiment shown in the drawings.

Hierbei zeigen:

Figur 1
eine vereinfachte Darstellung eines Sammelhefters mit einer Heftstation,
Figur 2
einen Ausschnitt der Heftstation eines Sammelhefters nach Figur 1 mit der bekannten zentralen maschinenseitigen Verstellvorrichtung,
Figur 3
eine perspektivische Darstellung eines bekannten Heftkopfes in der Heftstation eines Sammelhefters nach Figur 1,
Figur 4
eine rückseitige Ansicht des bekannten Heftkopfes nach Figur 3,
Figur 5
schematische Frontansicht von Zugstangen und Schneidkastenhalter des bekannten Heftkopfes nach Figuren 3 und 4,
Figur 6
eine perspektivische Ansicht von vorne eines Heftkopfes mit erfindungsgemäßer Schneidkastenfeinverstellung,
Figur 7
eine perspektivische Ansicht von hinten eines Heftkopfes mit erfindungsgemäßer Schneidkastenfeinverstellung,
Figur 8
eine perspektivische Ansicht von vorne einer erfindungsgemäßen Schneidkastenfeinverstellung,
Figur 9
eine perspektivische Ansicht von hinten einer erfindungsgemäßen Schneidkastenfeinverstellung,
Figur 10
eine Schnittdarstellung einer erfindungsgemäßen Schneidkastenfeinverstellung und
Figur 11
schematische Frontansicht von Zugstangen und Schneidkastenhalter einer erfindungsgemäßen Schneidkastenfeinverstellung.
Hereby show:
FIG. 1
a simplified representation of a saddle stitcher with a stitching station,
FIG. 2
a section of the stitching station of a saddle stitcher after FIG. 1 with the known central machine-side adjustment,
FIG. 3
a perspective view of a known stapling head in the stitching station of a saddle stitcher after FIG. 1 .
FIG. 4
a back view of the known stapling head after FIG. 3 .
FIG. 5
schematic front view of tie rods and cutting box holder of the known stapling head after Figures 3 and 4 .
FIG. 6
a perspective view from the front of a stapling head with inventive Schneidkastenfeinverstellung,
FIG. 7
a perspective view from behind of a stapling head with inventive Schneidkastenfeinverstellung,
FIG. 8
a perspective view from the front of a cutting box fine adjustment according to the invention,
FIG. 9
a perspective view from the rear of a cutting box fine adjustment according to the invention,
FIG. 10
a sectional view of a Schneidkastenfeinverstellung invention and
FIG. 11
schematic front view of tie rods and Schneidkastenhalter a Schneidkastenfeinverstellung 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 in FIG. 1 illustrated typical saddle stitcher 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 den Figuren 3 und 4 ist einer der Heftköpfe 26 aus Figur 1 gemäß einem dem Anmelder bekannten Stand der Technik näher dargestellt. Heftköpfe dieser Art werden beispielsweise von der Firma Heidelberger Druckmaschinen AG unter der Bezeichnung 52-N14 für Sammelhefter vertrieben.In the Figures 3 and 4 is one of the stitching heads 26 off FIG. 1 according to a prior art known to the applicant. Stapling heads of this type are sold, for example, by the company Heidelberger Druckmaschinen AG under the name 52-N14 for saddle stitcher.

Aus den Figuren 2 bis 4 geht eine bekannte Schneidkastenverstellung gemäß dem Stand der Technik hervor. Figur 2 zeigt hierbei die zentrale maschinenseitige Verstellung des Schneidkastens eines Heftkopfes gemäß Figur 3 und 4. Der Heftkopf 26 ist mit seiner Nase 5 am oberen Ende der oberen Zugstange 60 in der Verstellleiste 4, und mit seiner Nase 2 in der Antriebsleiste 3 der Heftstation gelagert. Über einen Handantrieb 40 wird in bekannter Weise ein Produktstreifen 42 an der Klemmstelle 44 geklemmt. Dieser Abstand wird über eine nicht dargestellte Wippe in bekannter Weise an die Antriebsleiste 3 und die Verstellleiste 4 übertragen. Damit wird am Heftkopf 26 der Hefthub und die Drahtlänge über die Antriebsleiste 3, sowie die Grundeinstellung der Klammersymmetrie über die Verstellleiste 4 und die Zugstange 60 auf die Parameter des Endprodukts eingestellt. Die obere Zugstange 60 ist über Schrauben 8 an der unteren Zugstange 62 befestigt.From the FIGS. 2 to 4 shows a known cutting box adjustment according to the prior art. FIG. 2 shows here the central machine-side adjustment of the cutting box of a stapling head according to FIG. 3 and 4 , The stapling head 26 is mounted with its nose 5 at the upper end of the upper tie rod 60 in the adjustment bar 4, and with its nose 2 in the drive bar 3 of the stitching station. About a manual drive 40, a product strip 42 is clamped at the nip 44 in a known manner. This distance is via a rocker not shown in a known manner to the drive bar 3 and the Adjustment bar 4 transferred. This is the stapling head 26 of the staple and the wire length on the drive bar 3, as well as the basic setting of the Klammersymmetrie on the adjustment bar 4 and the tie rod 60 set to the parameters of the final product. The upper tie rod 60 is secured by screws 8 to the lower tie rod 62.

Figur 5 zeigt nun, wie eine Auf- und Abbewegung der Zugstangen eine seitliche Bewegung des Schneidkastens bewirkt. Am unteren Ende der unteren Zugstange 62 befindet sich ein Bolzen 64, der in einer Kulissenführung 66, die als ein schräg verlaufendes Langloch 66 ausgebildet ist, gelagert ist. Bewegt man nun die obere Zugstange 60 über die Verstellleiste 4 nach oben oder nach unten, wird diese Bewegung über die untere Zugstange 62 auf den Bolzen 64 übertragen, der diese Bewegung über die Kulissenführung 66 und eine nur schematisch dargestellte Schlittenführung 67 auf den Schneidkastenhalter 68 überträgt, der sich dadurch seitwärts bewegt. FIG. 5 now shows how an up and down movement of the tie rods causes a lateral movement of the cutting box. At the lower end of the lower tie rod 62 is a bolt 64 which is mounted in a slotted guide 66, which is formed as a slanted slot 66. Moving now the upper tie rod 60 via the adjustment bar 4 upwards or downwards, this movement is transmitted via the lower tie rod 62 on the bolt 64, which transmits this movement via the slide guide 66 and a slide guide 67 shown only schematically on the cutting box holder 68 which moves sideways.

Verschiedene Papierqualitäten erfordern weitere Feinverstellungsmöglichkeiten, sowohl für die Drahtlänge, als auch für den Schneidkasten. Diese Feinverstellungen finden direkt am Heftkopf statt.Different paper qualities require further fine adjustment options, both for the wire length and for the cutting box. These fine adjustments take place directly on the stapling head.

Die Drahtlänge wird in bekannter Weise über eine Rändelschraube 6 am Heftkopf korrigiert.The wire length is corrected in a known manner via a knurled screw 6 on the stapling head.

Die Symmetrie des vorgeschobenen Klammerstücks wird in bekannter Weise über eine seitliche Verschiebung des Schneidkastens 7 korrigiert. Hierzu müssen zunächst die Verbindungsschrauben 8, die über ein Verbindungsstück 70 die obere Zugstange 60 mit der unteren Zugstange 62 verbinden, gelöst werden. Mit einem Spezialwerkzeug 9 kann nun in bekannter Weise die untere Zugstange 62 relativ zur oberen Zugstange 60 verstellt werden, wobei sich die Schrauben 8 im Langloch 72 des Verbindungsstückes entsprechend nach oben oder unten bewegen. Die Verstellung der unteren Zugstange 62 bewirkt dann über den Bolzen 64 mit der Kulissenführung 66 über die Schlittenführung 67 die notwendige seitliche Korrektur des Schneidkastens 7. Nach erfolgter Feinverstellung des Schneidkastens 7 werden die Schrauben 8 wieder festgezogen.The symmetry of the advanced staple piece is corrected in a known manner via a lateral displacement of the cutting box 7. For this purpose, the connecting screws 8, which connect the upper tie rod 60 to the lower tie rod 62 via a connecting piece 70, must first be loosened. With a special tool 9, the lower tie rod 62 can now be adjusted relative to the upper tie rod 60 in a known manner, with the screws 8 move in the slot 72 of the connector according to up or down. The adjustment of the lower drawbar 62 then effected via the bolt 64 with the slide guide 66 via the slide guide 67, the necessary lateral correction of the cutting box 7. After the fine adjustment of the cutting box 7, the screws 8 are tightened again.

Bei engen Klammerabständen im Produkt ist die Zugänglichkeit der Schrauben 8 eingeschränkt, da die benachbarten Heftköpfe sehr dicht nebeneinander angeordnet sind. Deshalb müssen die links benachbarten Heftköpfe aus ihrer Position gelöst und verschoben werden und anschließend entsprechend neu positioniert werden. Diese Korrektur ist unter Umständen für alle montierten und einzustellenden Heftköpfe mehrfach zu wiederholen, was sehr zeitaufwändig sein kann.At tight clip spacing in the product, the accessibility of the screws 8 is limited, since the adjacent stitching heads are arranged very close together. Therefore, the stitching heads that are adjacent to the left must be released from their position and moved and then repositioned accordingly. Under certain circumstances, this correction can be repeated several times for all stitching heads that are mounted and to be adjusted, which can be very time-consuming.

Die Figuren 6 bis 11 zeigen eine erfindungsgemäße Schneidkastenfeinverstellungsvorrichtung. Bei der Darstellung eines entsprechenden Heftkopfes sind der Übersichtlichkeit halber nur die Teile dargestellt, die für die Funktion der Schneidkastenfeinverstellungsvorrichtung wesentlich sind.The FIGS. 6 to 11 show a Schneidkastenfeinverstellungsvorrichtung invention. In the illustration of a corresponding stapling head, only the parts which are essential for the function of the cutting box fine adjustment device are shown for the sake of clarity.

Die Feinverstellung des Schneidkastens 91 erfolgt werkzeuglos über den Hebel 87. Der Hebel 87 ist im Heftkopfgehäuse 90 im Drehgelenk 88 schwenkbar gelagert, so dass er nach oben oder unten verschwenkbar (siehe Pfeil in Figur 9) ist. An seinem gehäuseseitigen Ende weist der Hebel 87 ein Langloch 92 auf (Fig.10). Über dieses Langloch 92 ist der Hebel 87 mit einem Bolzen 89, der an der unteren Zugstange 84 befestigt ist, mit der unteren Zugstange 84 formschlüssig verbunden. Am unteren Ende der unteren Zugstange befindet sich ein Bolzen 93, der in bekannter Weise über eine Kulissenführung 95 im Schneidkastenhalter 94 und eine nur schematisch dargestellte Schlittenführung 96 den Schneidkasten 91 verstellt. Die untere Zugstange 84 ist mit einer oberen Zugstange 80 über Schrauben 82 verbunden. Die Schrauben 82 sind jeweils in einem Langloch 83, 83' der oberen Zugstange 80 angeordnet und mit Gleitscheiben versehen. Am oberen Ende der oberen Zugstange 80 ist ein Bolzen 81 angebracht, der in bekannter Weise in der Verstellleiste 4 gelagert ist. Zwischen der oberen Zugstange 80 und der unteren Zugstange 84 ist ein Gleitstück 85 angebracht. Das Gleitstück 85 und die Gleitscheiben 86 sind in ihren Materialeigenschaften so gewählt, dass die Haftreibung zwischen Gleitstück 85 und oberer Zugstange 80 und zwischen Gleitscheiben 86 und Zugstange 80 kleiner ist als die Selbsthemmung eines nicht näher dargestellten Schneckengetriebes des Handantriebes 40 zur maschinenseitigen Verstellung des Schneidkastens 91. Dadurch ist es möglich den Schneidkasten fein zu verstellen, ohne dass die Schrauben 82 gelöst werden müssen und ohne dass ein spezielles Werkzeug vorgehalten werden muss, indem man beispielsweise über den Hebel 87 eine Kraft einleitet, die größer ist als die Haftreibung zwischen Gleitstück 85 und oberer Zugstange 80 und zwischen Gleitscheiben 86 und Zugstange 80.The fine adjustment of the cutting box 91 is carried out without tools via the lever 87. The lever 87 is pivotally mounted in the stapling head housing 90 in the rotary joint 88, so that it can be pivoted upwards or downwards (see arrow in FIG FIG. 9 ). At its housing-side end, the lever 87 has a slot 92 ( Figure 10 ). About this slot 92 of the lever 87 with a pin 89 which is attached to the lower tie rod 84, 84 positively connected to the lower tie rod. At the lower end of the lower drawbar there is a bolt 93 which adjusts the cutting box 91 in a known manner via a slotted guide 95 in the cutting box holder 94 and a slide guide 96 shown only schematically. The lower tie rod 84 is connected to an upper tie rod 80 via screws 82. The screws 82 are each arranged in a slot 83, 83 'of the upper tie rod 80 and provided with sliding discs. At the upper end of the upper tie rod 80, a bolt 81 is mounted, which is mounted in a known manner in the adjustment bar 4. Between the upper tie rod 80 and the lower tie rod 84, a slider 85 is mounted. The slider 85 and the sliding discs 86 are chosen in their material properties so that the static friction between slider 85 and upper tie rod 80 and between sliding discs 86 and pull rod 80 is smaller than the self-locking of a worm gear not shown hand drive 40 for machine-side adjustment of the cutting box 91st This makes it possible to finely adjust the cutting box without loosening the screws 82 and without the need for a special tool must be kept by, for example, via the lever 87 initiates a force which is greater than the static friction between the slider 85 and the upper tie rod 80 and between sliding discs 86 and pull rod 80th

Zur Feinverstellung des Schneidkastens wird der Hebel 87 um den Drehpunkt 88 verschwenkt. Durch diese Verschwenkung wird der Bolzen 89 im Langloch 92 entsprechend nach oben oder unten bewegt, was zu einer entsprechenden Bewegung der unteren Zugstange 84 führt. Aufgrund des Gleitstückes 85 und der Gleitscheiben 86 verschiebt sich die untere Zugstange 84 mit dem auf ihr befestigten Gleitstück 85 relativ zur oberen Zugstange 80. Diese Verschiebung führt über den Bolzen 93 in der Schlittenführung 95 des Schneidkastenhalters 94 zu einer seitlichen Verstellung des Schneidkastens 91.For fine adjustment of the cutting box, the lever 87 is pivoted about the pivot point 88. By this pivoting the bolt 89 is moved in the slot 92 corresponding up or down, resulting in a corresponding movement of the lower tie rod 84. Due to the slider 85 and the sliding washers 86, the lower tie rod 84 moves with the attached thereto slider 85 relative to the upper tie rod 80. This displacement leads via the pin 93 in the slide guide 95 of the cutting box holder 94 to a lateral adjustment of the cutting box 91st

Durch diese Vorrichtung wird eine einfache, werkzeugfreie Feinpositionierung des Schneidkastens 91 ermöglicht.By this device a simple, tool-free fine positioning of the cutting box 91 is possible.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Sammelheftersaddle stitcher
22
Nasenose
33
Antriebsleistedrive bar
44
VerstellleisteVerstellleiste
55
Nasenose
66
Rändelschraubethumbscrew
77
Schneidkastencutting box
88th
Schraubescrew
99
Spezialwerkzeugspecial tools
10, 12, 1410, 12, 14
FalzbogenanlegerSignature feeder
1515
Führungsleisteguide rail
16, 18, 2016, 18, 20
gefalzte Signaturenfolded signatures
2121
oberer Abschnitt der Führungsleisteupper section of the guide rail
2222
Sammelkettecollecting chain
2424
Heftstationfinisher
2626
Heftköpfestitching heads
3030
FalzbogenstapelFalzbogenstapel
4040
Handantriebhand drive
4242
Produktstreifenproduct strips
4444
Klemmstellenip
4646
DrahtführungsrohrWire guide tube
51, 5251, 52
Klinscherclinchers
6060
obere Zugstangeupper drawbar
6262
untere Zugstangelower drawbar
6464
Bolzenbolt
6666
Kulissenführunglink guide
6767
Schlittenführungcarriage guide
6868
SchneidkastenhalterCutting box holder
7070
Verbindungsstückjoint
7272
LanglochLong hole
8080
obere Zugstangeupper drawbar
8181
Bolzenbolt
8282
Schraubenscrew
83, 83'83, 83 '
LanglochLong hole
8484
untere Zugstangelower drawbar
8585
Gleitstückslide
8686
Gleitscheibesliding disk
8787
Hebellever
8888
Drehgelenkswivel
8989
Bolzenbolt
9090
HeftkopfgehäuseStapling head housing
9191
Schneidkastencutting box
9292
LanglochLong hole
9393
Bolzenbolt
9494
SchneidkastenhalterCutting box holder
9595
Kulissenführunglink guide
9696
Schlittenführungcarriage guide

Claims (4)

  1. Cutting box fine-adjustment device including a cutting box (91) fixed to a cutting box support (94), which includes a guide rail (95) that is activatable by a bolt (93), the bolt (93) being fixed to a lower pull rod (84) fixed to an upper pull rod (80) via fixing means (82), the upper pull rod (80) being supported via a bolt (81) in an adjustment bar (4) of a stitching station (24),
    characterized in
    that a sliding piece (85) is arranged between the lower pull rod (84) and the upper pull rod (80) and that the fixing means (82) have slide discs (86) on their sides facing the upper pull rod (80), the lower pull rod (84) having a bolt (89) supported in a longitudinal hole (92) of a lever (87) that is supported via a hinge (88) to swivel in a stitching head housing (90) so that the lower pull rod (84) is movable relative to the upper pull rod (80) without loosening the fixing means (82).
  2. Cutting box fine-adjustment device according to Claim 1,
    characterized in
    that the sliding piece (85) is fixed to the lower pull rod (84).
  3. Stitching head including a cutting box fine-adjustment device according to one of the preceding claims.
  4. Method for fine-adjusting a cutting box using a device according to one of Claims 1 or 2,
    characterized in
    that by introducing a force greater than the static friction between the sliding piece (85) and the upper pull rod (80) and between the sliding discs (86) and the upper pull rod (80) via a swivel lever (87) into the lower pull rod (84), the lower pull rod (84) is moved relative to the upper pull rod (80) without loosening the fixing means (82).
EP20100173697 2009-09-04 2010-08-23 Cutting box fine-tuning device for a crimp head Not-in-force EP2292395B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009040074A DE102009040074A1 (en) 2009-09-04 2009-09-04 Cutting box fine adjustment device for a stapling head

Publications (3)

Publication Number Publication Date
EP2292395A2 EP2292395A2 (en) 2011-03-09
EP2292395A3 EP2292395A3 (en) 2011-07-27
EP2292395B1 true EP2292395B1 (en) 2013-01-09

Family

ID=43302724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100173697 Not-in-force EP2292395B1 (en) 2009-09-04 2010-08-23 Cutting box fine-tuning device for a crimp head

Country Status (3)

Country Link
EP (1) EP2292395B1 (en)
CN (1) CN102029825B (en)
DE (1) DE102009040074A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106112546A (en) * 2016-08-09 2016-11-16 宿迁凡科技有限公司 A kind of equidistant riveting system of sheet metal and using method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102275403B (en) * 2011-08-08 2013-04-03 海门市紫光印刷机械有限公司 Stapler head
DE102012002723A1 (en) * 2012-02-10 2013-08-14 Heidelberger Druckmaschinen Aktiengesellschaft Saddle stitcher with several stitching heads

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4444220C2 (en) * 1993-12-30 1997-09-11 Hohner Maschbau Gmbh Stapling head for a stapling machine
DE19712876B4 (en) 1997-03-27 2005-03-17 Nexpress Solutions Llc stapler
DE19756119B4 (en) * 1997-03-27 2005-04-28 Nexpress Solutions Llc stapler
DE19750110A1 (en) 1997-11-12 1999-05-20 Brehmer Buchbindereimaschinen Saddle stitcher
DE102005042517A1 (en) * 2005-09-07 2007-03-08 Heidelberger Druckmaschinen Ag stapler
CN101462430B (en) * 2009-01-14 2011-06-29 淮南市耀华机械厂 Improved book-binding machine handpiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106112546A (en) * 2016-08-09 2016-11-16 宿迁凡科技有限公司 A kind of equidistant riveting system of sheet metal and using method thereof

Also Published As

Publication number Publication date
CN102029825A (en) 2011-04-27
EP2292395A3 (en) 2011-07-27
DE102009040074A1 (en) 2011-09-08
CN102029825B (en) 2014-06-04
EP2292395A2 (en) 2011-03-09

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