EP0473902B1 - Device for stapling multiple-part printed products - Google Patents

Device for stapling multiple-part printed products Download PDF

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Publication number
EP0473902B1
EP0473902B1 EP91111268A EP91111268A EP0473902B1 EP 0473902 B1 EP0473902 B1 EP 0473902B1 EP 91111268 A EP91111268 A EP 91111268A EP 91111268 A EP91111268 A EP 91111268A EP 0473902 B1 EP0473902 B1 EP 0473902B1
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EP
European Patent Office
Prior art keywords
printed products
stapling
stapler
heads
wire
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.)
Expired - Lifetime
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EP91111268A
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German (de)
French (fr)
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EP0473902A1 (en
Inventor
Jacques Meier
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Ferag AG
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Ferag AG
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42BPERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B4/00Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire

Definitions

  • the present invention relates to a device for wire stitching multi-part printed products, in particular newspapers, magazines, brochures and the like, according to the preamble of claim 1.
  • DE-A-32 03 376 describes a stapling device in which the products to be stapled are passed between the respective cooperating staple setting elements and staple bending elements.
  • the clamp setting elements and the clamp bending elements are each fastened to an endless, continuously driven chain, one strand of which runs parallel to the direction of movement of the products and adjacent to the movement range of the latter.
  • the staple setting elements and the staple bending elements opposite the latter during the stapling process run synchronously with the products during stapling.
  • a further concentricity is provided, which is formed by patrices attached to an endless, rotating chain.
  • a wire section dispenser Arranged on the orbit of these patrices is a wire section dispenser, which dispenses a straight piece of wire to the patrix which is advantageous in each case. The latter is bent when a patrix meets a clip-setting element acting as a matrix to form a U-shaped clip that extends from the clip-setting element to the stitching area transported and pressed into a product there.
  • This stapling device is of relatively complex construction, three round runs are necessary, namely one for the male pieces feeding the straight wire pieces, one for the clip-setting elements which cooperate with the latter to form the clips and press the clips into the products, and one for the clip bending elements. Furthermore, the brackets are only set along a direction in the direction of movement of the products.
  • US-A-4,792,077 describes a simplified embodiment of the device explained above, in which only two chain runs are provided.
  • the chains of the concentric runs are guided over deflection wheels and lie opposite each other with a section lying between the deflection wheels.
  • the chain of a chain run runs past a wire section dispenser, with certain chain links being passed straight wire sections which extend in the direction of rotation of the chain.
  • the products to be stapled are fed to the two chain runs by means of a feed conveyor and are inserted between the two opposite sections of the two chain runs and are bent in the manner of a gable roof.
  • the products are then transported further by clamping between the links of the two chain circuits. The latter take on the dual task of setting the wire clamps and moving them forward.
  • the wire clips are placed along these fold lines in the longitudinal direction of the products. If a product is provided with two clips, the wire clips for a product are set one after the other.
  • the present invention has for its object to provide a device for wire stitching of multi-part printed products of the type mentioned, which allows simple construction, both as individual products and webs present printed products reliably and properly across the direction of the forward movement of the stapled To staple products.
  • the device according to the invention is particularly suitable for stapling webs or individual products in the fold delivery of a rotary printing press.
  • FIG. 1 two variants of a first embodiment of a wire stitching device are shown in a side view and purely schematically.
  • the variant according to FIG. 1 is used for stapling printed products fed in the form of a web, while the variant according to FIG. 2 is intended for stapling individually fed printed products.
  • a stapling head arrangement 1 and a staple closing arrangement 2 cooperating therewith are provided, between which the linear movement path 3 of the printed products 4 to be stapled, such as newspapers, magazines, brochures and the like, runs through.
  • the individual printed products 4 are part of a web W and, after stapling, are separated from one another along the cutting lines 5.
  • the printed products 4 are passed individually along the movement path 3 between the stitching head arrangement 1 and the staple closing arrangement 2.
  • a conveyor arrangement 6 is provided, which is shown in FIG. 1 as a pair of conveyor rollers.
  • the stitching head arrangement 1 has stitching heads 7 which are spaced apart from one another on an endless traction element 8, e.g. a chain is fastened, which is guided over two deflection members 9 and 10 designed as deflection wheels and driven in the direction of arrow B all round.
  • the strand 8a of the chain 8 facing the movement spell 3 of the printed products 4 runs approximately parallel to the direction of movement A of the web W. This means that the circulation spell U of the stitching heads 7 has a section which runs parallel to the movement path 3 of the printed products 4.
  • a wire section dispensing unit 11 is arranged which is common to all of the stitching heads 7, which is arranged at this orbit U and transfers a straight piece of wire to the passing stitching head 7, which piece is bent into a U-shaped clamp during the subsequent further movement of the stitching head 7 will, as will be explained later.
  • the clamp closing arrangement 2 arranged below the movement path 3 of the printed products 4 has a number of counter supports 12 which are provided with a closing arrangement (not shown in more detail) for bending the legs of the wire clips.
  • the counter supports 12 are also fastened to a traction element 13 designed as a chain, which is guided over deflection elements 14 and 15 (deflection wheels).
  • the chain 13 and thus the counter supports 12 are driven in a rotating manner in the direction of the arrow C.
  • the strand 13a of the chain 13 facing the movement path 3 of the printed products 4 runs essentially parallel to this movement path 3.
  • the orbit V of the counter-supports 12 thus likewise has a section which runs parallel to the movement path 3 of the printed products 4.
  • the stapling heads 7 and the counter supports 12 are arranged in such a way that the one marked Z Stapling area come in each case a stitching head 7 with a counter support 12 for interaction, the speed of rotation of stitching heads 7 and counter supports 12 corresponds to the speed of movement of the web W.
  • the wire clip formed in the stitching head 7, as already mentioned, is pressed into the multi-layer printed product 4 to be stitched, the legs of the wire clip being bent over by the counter support 12 which moves along. Since the stapling heads 7 and the counter supports 12 move synchronously with the staple 4 during stapling, a certain amount of time is available for the stapling process, which enables perfect stapling.
  • the wire clips are set in the direction of later fold lines 16, which run at right angles to the direction of movement A of the printed products 4.
  • at least two staples are placed along this later fold line 16, which means that a second stapling head arrangement and a second staple closing arrangement of the type shown are provided, which is not visible in FIG. 1.
  • the variant according to FIG. 2 differs from the variant shown in FIG. 1 only in that a belt conveyor 17 is provided for feeding the printed products 4 present as individual products. Above this belt conveyor 17 is in front of the stapling station a conveyor belt 18 is provided, which comes to rest on the upper side of the printed products 4. In the variant according to FIG. 2, the stapling process takes place in the same way as was described with reference to FIG. 1.
  • FIGS. 3 and 4 differs from the first embodiment according to FIGS. 1 and 2 by a different design of the clamp locking arrangement 2.
  • the counter supports 12 provided with locking arrangements are arranged on the circumference of a drum 19, which is driven circumferentially in the direction of arrow C.
  • the web W (FIG. 3) or the individual printed products 4 (FIG. 4) are guided over the drum 19 along a curved movement path 3.
  • the chain 8 carrying the stitching heads 7 is guided in a manner not shown in such a way that the strand 8a facing the movement spell 3 of the printed products 4 is curved, so that the assigned section of the orbit U of the stitching heads 7 in the stitching area Z is again approximately parallel to the movement path of the Printed products 4 runs, d. H. substantially coaxial with the axis of rotation 19a of the drum 19.
  • the stitching heads 7 thus move along an approximately kidney-shaped orbit U, while the orbit V of the counter supports 12 is circular.
  • FIG. 4 differs from the variant according to FIG. 3, which is used for stapling webs W, in that 4 conveyor belts 20 and 21 are provided for guiding the individually produced printed products are, which are guided around pulleys 22 and over the drum 19.
  • the printed products 4 are held by the conveyor belts 20, 21 rotating in the direction of the arrows A 'and conveyed along the movement path 3 in the direction of the arrow A.
  • FIGS. 3 and 4 there are two identical stitching head arrangements 1 and two clip closing arrangements 2.
  • the counter-supports 12 of both clamp closing arrangements 2 can be arranged on the same rotor 19.
  • FIGS. 5 and 6 as well as 7 and 8 show a third embodiment of a wire stitching device, wherein in the variant according to FIGS. 5 and 6 webs W, which are formed by the printed products 4 to be stapled, are processed, while the variant according to the figures 7 and 8 serve to staple individually fed printed products 4. Otherwise, these two variants largely correspond.
  • FIGS. 5 to 8 there are two stapling head arrangements 1, 1 'and two staple closing arrangements 2, 2', which are spaced apart in a direction transverse to the direction of movement A of the printed products 4 (see FIGS. 6 and 8th).
  • the clamp closure arrangement 2 or 2 ' is of the same design as that of the embodiment according to FIGS. 3 and 4.
  • the counter-supports 12 are in fact fastened on a drum 19 driven in the direction of arrow C and thus move along a circular orbit V.
  • the stitching head arrangements 1 and 1 ' differ from those shown in FIGS. 3 and 4.
  • the stitching heads 7 are moved along an orbit U which runs around the drum 19.
  • the section of this orbit U lying in the stitching area Z is coaxial with the axis of rotation 19 a of the drum 19.
  • each stitching head 7 is fastened to a support arm 23 or 23 ', which is mounted in a holder 24 or 24' so as to be displaceable in the axial direction of the drum 19.
  • the support arms 23, 23 ' are in their retracted position, in which the stapling heads 7 lie opposite the associated counter support 12. In this working position of the stitching heads 7, they are moved in the direction of arrow D to carry out the stitching process, for example by means of control levers or scenes. After leaving the stitching area Z, the stitching heads 7 are then lifted off again. In addition, the support arms 23, 23 'are retracted in the direction of the arrows E, so that the stitching heads 7 are brought into a position in which they are outside the path of movement 3 of the stapled printed products and thus do not impair their running away from the drum 19.
  • FIG. 9 shows, purely schematically, a folding delivery of a rotary printing press provided with a wire-stitching device according to the invention.
  • This fold delivery 28 is of a known type and is therefore only briefly explained below.
  • the folded web W (strand) formed from coherent printed products is pulled by means of a pair of traction rollers 29 between two perforating rollers 30, which provide a transverse perforation on the web W.
  • the spell W then runs between a knife cylinder 31 and a collecting cylinder 32, the web W being cut in the transverse direction.
  • the cut printed products 4 are held in place by holding arrangements 33 (needle or gripper systems) arranged in the collecting cylinder 32.
  • the printed products 4 resting on the circumference of the collecting cylinder 32 are then transferred to a folding jaw cylinder 34 and are folded once more.
  • a folding blade 35 provided on the collecting cylinder 32 interacts with a folding flap 36, which Forms part of the jaw cylinder 34.
  • the folded printed products 4 pass via a deflection wheel 37 into the compartments of a delivery wheel 38, from where the printed products 4 are deposited in a scale formation on a delivery belt 39.
  • the fold delivery 28 is of conventional design as already described.
  • This fold delivery 28 is now equipped with a wire stitching device according to the invention, which essentially corresponds to the variant shown in FIGS. 7 and 8.
  • the clamp closing arrangement 2 is integrated in the collecting cylinder 32.
  • the counter supports 12 are located in the area of the folding blades 35 and move along a circular orbit V.
  • the counter supports 12 can e.g. be static-acting benders, as shown in GB-PS 740,079.
  • the stitching heads 7 of the stitching head arrangement 1 run synchronously with the collecting cylinder 32 or the counter supports 12 along a closed orbit U which runs around the collecting cylinder 32.
  • a wire section dispensing unit 11 is arranged on this circulating spell U, along which the stitching heads 7 pass and take a straight piece of wire with them. The latter is bent into a U-shaped clamp while the stitching heads 7 continue to the stitching area Z. 6 and 8, the stitching heads 7 can be displaced in the direction of the axis 32a of the collecting cylinder 32.
  • the stitching heads 7 are in their retracted position in which they are Opposing pads 12 are opposite. After leaving the stitching area Z, the stitching heads 7 are moved back into their outer end position, in which they are outside the path of movement of the printed products 4.
  • the collecting cylinder 32 makes two rotations for collecting printed products before the printed products are transferred to the folding jaw cylinder 34, the stitching heads are accordingly controlled in such a way that they do not take effect during the first rotation.
  • a stapling device according to FIGS. 2, 4 or 7 and 8 is switched on after the collecting cylinder 32 and before the folding unit.
  • the individual products 4 are then detached from the collecting cylinder, passed through the stapling device and folded after stapling.
  • wire stitching device A possible constructive design of the wire stitching device and in particular its stitching heads and its clip closure arrangement will now be described with reference to FIGS. 10 to 17 in connection with FIG. 1.
  • this wire stitching device can also be used in other of the exemplary embodiments shown, if appropriate modified.
  • the two stitching heads 7, 7 ' are fastened to a cross member 40 which can be raised and lowered in the direction of arrow F and which is supported at each of its ends via supporting parts 41, 42 on a return spring 43 is supported.
  • Each of these springs 43 rests on a guide bush 44, 45 which is anchored to a chain 46 or 47 which is guided in guides 48, 49.
  • the guide bushes 44, 45 are each penetrated by a displaceable bolt 50, 51, which cooperates at one end with the associated support part 41 or 42 and at the other end carries a centering element 52 or 53 which is supported on a further spring 54.
  • Each support member 41, 42 is provided at the upper end with a control roller 55, 56 which cooperates with a link 57, 58.
  • the moving part of each stitching head 7 sits on a shaft 59 or 60 which is connected to a gear 63 or 64 via an overload clutch 61, 62.
  • the latter meshes with a further gear 65 or 66, which is rotatably mounted on the support part 41 or 42.
  • a control roller 67 and 68 is mounted, which is intended to cooperate with another backdrop 69 and 70.
  • a return spring 71 which is connected at the other end to the supporting part 41, 42, engages on the gear wheel 65, 66.
  • the counter supports 12, 12 ' are formed by a common support rail 72 which is fastened to chains 74 and 75, respectively, which run in support members 73 and run in guides 76 and 77, respectively.
  • the clamp closure arrangement 2, 2 ' has clamp closers 78, 79 (FIG. 10) which are movably mounted in the counter-support 12, 12' or in the support rail 72 and can be raised against the stitching heads 7 via an actuating element 80.
  • the actuator 80 is supported at both ends on a pivot lever 81 and 82, respectively.
  • a link 83 which is connected to an actuating lever 84, engages on a pivot lever 82.
  • the latter carries a control roller 85 at its end, which cooperates with a link 86.
  • a return spring 87 engages the connecting member 83.
  • the mode of operation of the arrangement shown in FIGS. 10 to 12 is as follows: As soon as the control rollers 55, 56 run onto the control links 57, 58 arranged in the stitching area Z, the cross member 40 together with the stitching heads 7 is moved downward in the direction of arrow F to the synchronously running support rail 72. The centering elements 52, 53 come into engagement with corresponding centering sections of the support rail 72, as a result of which the stitching heads 7 and the counter supports 12 are centered. During the further movement of the carrier 40, the scenes 69, 70 now act on the control rollers 67, 68, which causes the shafts 59 and 60 to rotate via the gears 63, 64, 65, 66. 13 to 17 will be used to explain what happens when these shafts 59, 60 are rotated.
  • control rollers 55, 56; 67, 68 and 85 from the corresponding backdrops 57, 58; 69, 70 and 86 respectively, which results in resetting via the return springs 43, 71 and 87.
  • stitching heads 7, 7 will now be explained with reference to the stitching head 7' with reference to FIGS. 13 to 17, only those parts in FIGS. 15 to 17 being provided with the assigned reference numerals which are associated with the corresponding functional description are important.
  • the structure and operation of these stitching heads 7, 7 ' is also described in more detail in Swiss Patent Application No. 01 963/89.
  • the stitching head 7 'shown in FIGS. 13 and 14 in its initial or rest position shown in FIG. 10 has a support part 90 fastened to the cross member 40 (FIGS. 10 to 12), which has two mutually parallel lateral bearing parts arranged at a distance from one another 90a, 90b (see in particular Fig. 14).
  • a bearing sleeve 91, 92 is freely rotatable.
  • the shaft 59 runs through the bearing sleeves 91, 92 and can be freely rotated with respect to the bearing sleeves 91, 92 (FIG. 14).
  • the pivot axis of the shaft 59 is shown in dash-dot lines in FIG. 14 and is designated 59a.
  • each punch arm 93, 94 Arranged between the two bearing parts 90a, 90b are the two mutually parallel stamp arms 93, 94 of a stamp 95, which are formed in one piece with the relevant bearing sleeves 91, 92.
  • the two punch arms 93, 94 are connected to one another by a web 96 (FIG. 13).
  • each punch arm 93, 94 has a driver nose 97, against which a straight wire section 98, taken over by the wire section dispensing unit 11, bears, which is held on the punch 95 in a manner not shown, for example by magnetic force.
  • the punch arms 93, 94 have on their inside mutually open grooves 99, 100 which extend in the radial direction over the entire length of the punch arms 93, 94. The latter are open at one end in the area of the Drant section 98.
  • a plunger 101 is arranged between the plunger arms 93, 94 and is guided in the radial direction in guides in the plunger 95 by means of its plunger head 102 (FIG. 14).
  • the plunger head 102 is connected to an actuating part 103, on which a rack 104 is formed.
  • the toothed rack 104 runs parallel to the longitudinal extension of the punch arms 93, 94 and meshes with a pinion 105 which is fixed on the shaft 59 and is fixed between the two bearing sleeves 91, 92.
  • a guide pin 106 is provided, which protrudes on both sides over the plunger 101 and engages in one of two identical control links 107, 108, which are formed in the bearing parts 90a, 90b of the support part 90.
  • the control links 107, 108 have a first section 108 '(FIG. 13) which is coaxial with the shaft 59 and extends approximately over an angle of 180 °. This section 108 'then merges into a rectilinear, downwardly extending section 108' 'which moves away from the shaft and runs parallel to the grooves 99, 100 of the punch 95 which is in its clamp-setting position (cf. FIG. 16). .
  • two swivel levers 109, 110 are pivoted freely outside the two bearing parts 90a, 90b.
  • the two swivel levers 109, 110 are in the region of their free ends by a clamp guide member 111 connected with each other.
  • the latter has a clip guide lug 112 projecting over the two pivot levers 109, 110.
  • a bending link 113 (die) is formed on the clip guide member 111.
  • the bending link 113 and the clamp guide member 111 have recesses 114, 115 running parallel to one another (FIG. 14), into which the end regions of the two stamp arms 93, 94 come to rest when the stamp 95 is pivoted from the rest position into the clamp setting position.
  • the clip guide member 111 tapers in a wedge shape towards the outside.
  • the wedge surface is designated 112 '.
  • a leaf spring 116 is fastened, which acts on the one pivot lever 110 and presses the two pivot levers 109, 110 together with the clamp guide member 111 and the bending link 113 counterclockwise against the support part 90.
  • the stamp 95 is in its rest position in FIGS. 13 and 14.
  • the stamp 95 is shown pivoted counterclockwise by 90 ° with respect to its rest position, while in the representation according to FIGS. 16 and 17 it is in the clamp setting position 95 '(after pivoting through 180 °).
  • the plunger 101 is shown in FIG. 17 in the region of its lower end position, in which a clip 98 ′ bent out of the straight wire section 98 is ejected from the stamp 95 and pressed into the printed product to be stapled.
  • the stamp 95 takes over a straight wire section 98 from the wire section dispensing unit 11.
  • the shaft 59 is rotated counterclockwise as explained with reference to FIGS. 10 to 12.
  • the plunger 101 cannot move in the radial direction.
  • the stamp 95 is coupled to the shaft 59 via the plunger 101 and is thus rotated as well. After a 90 ° rotation in the counterclockwise direction, the die 95 reaches the position shown in FIG. 15, in which the wire section 98 begins to run onto the bending link 113.
  • the legs of the clamp 98' are held by the clamp guide lug 112 in the grooves 99, 100 of the stamp arms 93, 94, so that the clamp 98 'is guided during the entire ejection process.
  • the ejected clip 98 ' is pressed through the printed product to be stapled against the counter supports, which cause the clip legs to bend.
  • the stamp 95 is reset by turning the shaft 59 back in a clockwise direction, as described with reference to FIGS. 10 to 12.
  • the clamp guide member 111 is pivoted back by the leaf spring 116 into the rest position shown in FIGS. 13 and 14 as soon as the plunger 101 has been moved in the radial direction in the course of the resetting of the plunger 95.
  • stapling heads can also be used in the exemplary embodiments according to FIGS. 1 to 9, which are designed differently than as described with reference to FIGS. 10 to 17.

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

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Drahtheften von mehrteiligen Druckereierzeugnissen, insbesondere Zeitungen, Zeitschriften, Broschüren und dergleichen, gemäss Oberbegriff des Anspruches 1.The present invention relates to a device for wire stitching multi-part printed products, in particular newspapers, magazines, brochures and the like, according to the preamble of claim 1.

In der DE-A-32 03 376 ist eine Heftvorrichtung beschrieben, bei der die zu heftenden Erzeugnisse zwischen jeweils zusammenwirkenden Klammersetzelementen und Klammerbiegeelementen hindurchgeführt werden. Die Klammersetzelemente und die Klammerbiegeelemente sind jeweils an einer endlosen, umlaufend angetriebenen Kette befestigt, deren eine Trum parallel zur Bewegungsrichtung der Erzeugnisse und benachbart zur Bewegungsbann der letzteren verläuft. Die Klammersetzelemente und die letzteren während des Heftvorganges gegenüberliegenden Klammerbiegeelemente laufen während der Heftung synchron mit den Erzeugnissen mit.DE-A-32 03 376 describes a stapling device in which the products to be stapled are passed between the respective cooperating staple setting elements and staple bending elements. The clamp setting elements and the clamp bending elements are each fastened to an endless, continuously driven chain, one strand of which runs parallel to the direction of movement of the products and adjacent to the movement range of the latter. The staple setting elements and the staple bending elements opposite the latter during the stapling process run synchronously with the products during stapling.

Zur Bildung der zu setzenden Klammern ist ein weiterer Rundlauf vorgesehen, der durch an einer endlosen, umlaufend angetriebenen Kette angebrachte Patrizen gebildet wird. An der Umlaufbahn dieser Patrizen ist ein Drahtabschnittspender angeordnet, der an die jeweils vorteilaufende Patrize ein gerades Drahtstück abgibt. Letzteres wird beim Zusammentreffen einer Patrize mit einem als Matrize wirkenden Klammersetzelement zu einer U-förmigen Klammer gebogen, die vom Klammersetzelement zum Heftbereich transportiert und dort in ein Erzeugnis eingedrückt wird.To form the clamps to be set, a further concentricity is provided, which is formed by patrices attached to an endless, rotating chain. Arranged on the orbit of these patrices is a wire section dispenser, which dispenses a straight piece of wire to the patrix which is advantageous in each case. The latter is bent when a patrix meets a clip-setting element acting as a matrix to form a U-shaped clip that extends from the clip-setting element to the stitching area transported and pressed into a product there.

Diese Heftvorrichtung ist von verhältnismässig aufwendiger Konstruktion, sind doch drei Rundläufe nötig, nämlich einen für die die geraden Drahtstücke zuführenden Patrizen, einen für die mit letzteren zur Bildung der Klammern zusammenwirkenden und die Klammern in die Erzeugnisse eindrückenden Klammersetzelemente sowie einen für die Klammerbiegeelemente. Im weiteren werden die Klammern nur entlang einer in Bewegungsrichtung der Erzeugnisse verlaufenden Richtung gesetzt.This stapling device is of relatively complex construction, three round runs are necessary, namely one for the male pieces feeding the straight wire pieces, one for the clip-setting elements which cooperate with the latter to form the clips and press the clips into the products, and one for the clip bending elements. Furthermore, the brackets are only set along a direction in the direction of movement of the products.

In der US-A-4,792,077 ist nun eine vereinfachte Ausführung der vorstehend erläuterten Vorrichtung beschrieben, bei der nur noch zwei Kettenrundläufe vorgesehen sind. Die Ketten der Rundläufe werden über Umlenkräder geführt und liegen sich mit einem zwischen den Umlenkrädern liegenden Abschnitt gegenüber. Die Kette eines Kettenrundlaufes läuft an einem Drahtabschnittspender vorbei, wobei gewissen Kettengliedern gerade Drahtabschnitte übergeben werden, die sich in Umlaufrichtung der Kette erstrecken. Die zu heftenden Erzeugnisse werden mittels eines Zuförderers den beiden Kettenrundläufen zugeführt und zwischen die beiden sich gegenüberliegenden Abschnitte der beiden Kettenrundläufe eingeführt und dabei satteldachförmig gebogen. Der weitere Transport der Erzeugnisse erfolgt dann durch Festklemmen zwischen den Gliedern der beiden Kettenrundläufe. Letztere übernehmen damit die Doppelaufgabe des Setzens der Drahtklammern und des Vorwärtstransportes.US-A-4,792,077 describes a simplified embodiment of the device explained above, in which only two chain runs are provided. The chains of the concentric runs are guided over deflection wheels and lie opposite each other with a section lying between the deflection wheels. The chain of a chain run runs past a wire section dispenser, with certain chain links being passed straight wire sections which extend in the direction of rotation of the chain. The products to be stapled are fed to the two chain runs by means of a feed conveyor and are inserted between the two opposite sections of the two chain runs and are bent in the manner of a gable roof. The products are then transported further by clamping between the links of the two chain circuits. The latter take on the dual task of setting the wire clamps and moving them forward.

Da die zu heftenden Erzeugnisse mit ihrer Falzlinie in deren Förderrichtung verlaufend zugeführt und durch die Kettenrundläufe weitertransportiert werden, erfolgt das Setzen der Drahtklammern entlang dieser Falzlinien in Längsrichtung der Erzeugnisse. Wird ein Erzeugnis mit zwei Klammern versehen, so erfolgt somit das Setzen der Drahtklammern für ein Produkt jeweils zeitlich nacheinander.Since the products to be stapled with their fold line in the conveying direction of which is continuously fed and transported further through the chain runs, the wire clips are placed along these fold lines in the longitudinal direction of the products. If a product is provided with two clips, the wire clips for a product are set one after the other.

Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, eine Vorrichtung zum Drahtheften von mehrteiligen Druckereierzeugnissen der eingangs genannten Art zu schaffen, welche es bei einfacher Konstruktion ermöglicht, sowohl als Einzelprodukte wie auch als Bahnen vorliegende Druckereierzeugnisse zuverlässig und einwandfrei quer zur Richtung der Vorwärtsbewegung der zu heftenden Erzeugnisse zu heften.The present invention has for its object to provide a device for wire stitching of multi-part printed products of the type mentioned, which allows simple construction, both as individual products and webs present printed products reliably and properly across the direction of the forward movement of the stapled To staple products.

Diese Aufgabe wird erfindungsgemäss durch die Merkmale des kennzeichnenden Teils des Anspruches 1 gelöst.This object is achieved according to the invention by the features of the characterizing part of claim 1.

Die erfindungsgemässe Vorrichtung eignet sich insbesondere zum Heften von Bahnen oder Einzelprodukten in der Falzauslage einer Rotationsdruckmaschine.The device according to the invention is particularly suitable for stapling webs or individual products in the fold delivery of a rotary printing press.

Im folgenden werden anhand der Zeichnung Ausführungsbeispiele des Erfindungsgegenstandes näher erläutert. Es zeigen rein schematisch:

Fig. 1 und 2
in Seitenansicht eine erste Ausführungsform einer Drahtheftvorrichtung zum Heften von Bahnen (Fig. 1) bzw. Einzelprodukten (Fig. 2),
Fig. 3 und 4
ebenfalls in Seitenansicht eine zweite Ausführungsform einer Drahtheftvorrichtung zum Heften von Bahnen (Fig. 3) bzw. Einzelprodukten (Fig. 4),
Fig. 5 und 6
in Seitenansicht bzw. Vorderansicht eine dritte Ausführungsform einer Drahtheftvorrichtung zum Heften von Bahnen,
Fig. 7 und 8
in zu den Figuren 5 und 6 vergleichbarer Darstellung eine Variante der dritten Ausführungsform einer Drahtheftvorrichtung zum Heften von Einzelprodukten,
Fig. 9
in Seitenansicht die Falzauslage einer Rotationsdruckmaschine mit einer erfindungsgemässen Drahtheftvorrichtung,
Fig. 10
in einem Schnitt im wesentlichen entlang der Linie X-X in Fig. 1 eine mögliche konstruktive Ausgestaltung der Heftvorrichtung,
Fig. 11
die in Fig. 10 gezeigte Vorrichtung in Draufsicht,
Fig. 12
einen Schnitt entlang der Linie XII-XII in Fig 10,
Fig. 13
in Seitenansicht einen in der Vorrichtung gemäss den Figuren 10 bis 12 verwendeten Heftkopf,
Fig. 14
einen Schnitt entlang der Linie XIV-XIV in Fig. 13, und
Fig. 15 bis 17
den Heftkopf gemäss den Figuren 13 und 14 in drei verschiedenen Phasen eines Arbeitszyklus.
Exemplary embodiments of the subject matter of the invention are explained in more detail below with reference to the drawing. It shows purely schematically:
1 and 2
a side view of a first embodiment of a wire stitching device for stitching webs (FIG. 1) or individual products (FIG. 2),
3 and 4
also a second side view Embodiment of a wire stitching device for stitching webs (FIG. 3) or individual products (FIG. 4),
5 and 6
a side view or front view of a third embodiment of a wire stitching device for stitching webs,
7 and 8
in a representation comparable to FIGS. 5 and 6, a variant of the third embodiment of a wire stitching device for stitching individual products,
Fig. 9
the side view of the folding delivery of a rotary printing press with a wire stitching device according to the invention,
Fig. 10
in a section substantially along the line XX in Fig. 1, a possible structural design of the stapling device,
Fig. 11
10 the device shown in plan view,
Fig. 12
10 shows a section along the line XII-XII in FIG. 10,
Fig. 13
in side view a stitching head used in the device according to FIGS. 10 to 12,
Fig. 14
a section along the line XIV-XIV in Fig. 13, and
15 to 17
the stitching head according to Figures 13 and 14 in three different phases of a work cycle.

In den Figuren 1 und 2 sind in Seitenansicht und rein schematisch zwei Varianten einer ersten Ausführungsform einer Drahtheftvorrichtung gezeigt. Die Variante gemäss Fig. 1 dient zum Heften von in der Form einer Bahn zugeführten Druckereierzeugnisse, während die Variante gemäss Fig. 2 zum Heften von einzeln zugeführten Druckereierzeugnissen vorgesehen ist.In Figures 1 and 2, two variants of a first embodiment of a wire stitching device are shown in a side view and purely schematically. The variant according to FIG. 1 is used for stapling printed products fed in the form of a web, while the variant according to FIG. 2 is intended for stapling individually fed printed products.

Bei beiden Varianten ist eine Heftkopfanordnung 1 sowie eine mit dieser zusammenwirkende Klammerschliessanordnung 2 vorgesehen, zwischen denen die geradlinige Bewegungsbahn 3 der zu heftenden Druckereierzeugnisse 4, wie Zeitungen, Zeitschriften, Broschüren und dergleichen, hindurchverläuft. Bei der Variante gemäss Fig. 1 sind die einzelnen Druckereierzeugnisse 4 Teil einer Bahn W und werden nach erfolgter Heftung entlang der Schnittlinien 5 voneinander getrennt. Bei der Variante gemäss Fig. 2 werden die Druckereierzeugnisse 4 einzeln entlang der Bewegungsbahn 3 zwischen Heftkopfanordnung 1 und Klammerschliessanordnung 2 hindurchgeführt.In both variants, a stapling head arrangement 1 and a staple closing arrangement 2 cooperating therewith are provided, between which the linear movement path 3 of the printed products 4 to be stapled, such as newspapers, magazines, brochures and the like, runs through. In the variant according to FIG. 1, the individual printed products 4 are part of a web W and, after stapling, are separated from one another along the cutting lines 5. In the variant according to FIG. 2, the printed products 4 are passed individually along the movement path 3 between the stitching head arrangement 1 and the staple closing arrangement 2.

Zur Bewegung der Bahn W (Fig. 1) in Richtung des Pfeiles A ist eine Förderanordnung 6 vorgesehen, die in Fig. 1 als Förderwalzenpaar dargestellt ist.To move the web W (FIG. 1) in the direction of arrow A, a conveyor arrangement 6 is provided, which is shown in FIG. 1 as a pair of conveyor rollers.

Die Heftkopfanordnung 1 weist Heftköpfe 7 auf, die in einem gegenseitigen Abstand an einem endlosen Zugorgan 8, z.B. einer Kette, befestigt ist, welche über zwei als Umlenkräder ausgebildete Umlenkorgane 9 und 10 geführt und in Richtung des Pfeiles B umlaufend angetrieben ist. Der der Bewegungsbann 3 der Druckereierzeugnisse 4 zugekehrte Trum 8a der Kette 8 verläuft etwa parallel zur Bewegungsrichtung A der Bahn W. Dies bedeutet, dass die Umlaufbann U der Heftköpfe 7 einen Abschnitt aufweist, der parallel zur Bewegungsbahn 3 der Druckereierzeugnisse 4 verläuft. Innerhalb der Umlaufbahn U der Heftköpfe 7 ist eine allen Heftköpfen 7 gemeinsame Drahtabschnittspendeeinheit 11 angeordnet, welche an dieser Umlaufbahn U angeordnet ist und dem jeweils vorbeilaufenden Heftkopf 7 ein gerades Drahtstück übergibt, das während der anschliessenden Weiterbewegung des Heftkopfes 7 zu einer U-förmigen Klammer gebogen wird, wie das noch erläutert werden wird.The stitching head arrangement 1 has stitching heads 7 which are spaced apart from one another on an endless traction element 8, e.g. a chain is fastened, which is guided over two deflection members 9 and 10 designed as deflection wheels and driven in the direction of arrow B all round. The strand 8a of the chain 8 facing the movement spell 3 of the printed products 4 runs approximately parallel to the direction of movement A of the web W. This means that the circulation spell U of the stitching heads 7 has a section which runs parallel to the movement path 3 of the printed products 4. Within the orbit U of the stitching heads 7, a wire section dispensing unit 11 is arranged which is common to all of the stitching heads 7, which is arranged at this orbit U and transfers a straight piece of wire to the passing stitching head 7, which piece is bent into a U-shaped clamp during the subsequent further movement of the stitching head 7 will, as will be explained later.

Die unterhalb der Bewegungsbahn 3 der Druckereierzeugnisse 4 angeordnete Klammerschliessanordnung 2 weist eine Anzahl von Gegenauflagen 12 auf, welche mit einer nicht näher dargestellten Schliessanordnung zum Umbiegen der Schenkel der Drahtklammern versehen sind. Die Gegenauflagen 12 sind ebenfalls an einem als Kette ausgebildeten Zugorgan 13 befestigt, welches über Umlenkorgane 14 und 15 (Umlenkräder) geführt ist. Die Kette 13 und damit die Gegenauflagen 12 werden in Richtung des Pfeiles C umlaufend angetrieben. Der der Bewegungsbahn 3 der Druckereierzeugnisse 4 zugekehrte Trum 13a der Kette 13 verläuft im wesentlichen parallel zu dieser Bewegungsbahn 3. Die Umlaufbahn V der Gegenauflagen 12 weist somit ebenfalls einen Abschnitt auf, der parallel zur Bewegungsbahn 3 der Druckereierzeugnisse 4 verläuft. Die Heftköpfe 7 und die Gegenauflagen 12 sind so angeordnet, dass in dem mit Z bezeichneten Heftbereich jeweils ein Heftkopf 7 mit einer Gegenauflage 12 zum Zusammenwirken kommen, wobei die Umlaufgeschwindigkeit von Heftköpfen 7 und Gegenauflagen 12 der Bewegungsgeschwindigkeit der Bahn W entspricht.The clamp closing arrangement 2 arranged below the movement path 3 of the printed products 4 has a number of counter supports 12 which are provided with a closing arrangement (not shown in more detail) for bending the legs of the wire clips. The counter supports 12 are also fastened to a traction element 13 designed as a chain, which is guided over deflection elements 14 and 15 (deflection wheels). The chain 13 and thus the counter supports 12 are driven in a rotating manner in the direction of the arrow C. The strand 13a of the chain 13 facing the movement path 3 of the printed products 4 runs essentially parallel to this movement path 3. The orbit V of the counter-supports 12 thus likewise has a section which runs parallel to the movement path 3 of the printed products 4. The stapling heads 7 and the counter supports 12 are arranged in such a way that the one marked Z Stapling area come in each case a stitching head 7 with a counter support 12 for interaction, the speed of rotation of stitching heads 7 and counter supports 12 corresponds to the speed of movement of the web W.

Im Heftbereich wird die wie bereits erwähnt im Heftkopf 7 geformte Drahtklammer in das zu heftende, mehrlagige Druckereierzeugnis 4 eingedrückt, wobei die Schenkel der Drahtklammer durch die mitlaufende Gegenauflage 12 umgebogen werden. Da während des Heftens die Heftköpfe 7 und die Gegenauflagen 12 sich synchron mit dem Heftgut 4 bewegen, steht für den Heftvorgang eine gewisse Zeit zur Verfügung, was ein einwandfreies Heften ermöglicht.In the stitching area, the wire clip formed in the stitching head 7, as already mentioned, is pressed into the multi-layer printed product 4 to be stitched, the legs of the wire clip being bent over by the counter support 12 which moves along. Since the stapling heads 7 and the counter supports 12 move synchronously with the staple 4 during stapling, a certain amount of time is available for the stapling process, which enables perfect stapling.

Die Drahtklammern werden in Richtung von späteren Falzlinien 16 gesetzt, die rechtwinklig zur Bewegungsrichtung A der Druckereierzeugnisse 4 verlaufen. Im Regelfall werden entlang dieser späteren Falzlinie 16 mindestens zwei Klammern gesetzt, was bedeutet, dass eine zweite Heftkopfanordnung und eine zweite Klammerschliessanordnung der gezeigten Art vorgesehen ist, die in Fig. 1 nicht sichtbar ist.The wire clips are set in the direction of later fold lines 16, which run at right angles to the direction of movement A of the printed products 4. As a rule, at least two staples are placed along this later fold line 16, which means that a second stapling head arrangement and a second staple closing arrangement of the type shown are provided, which is not visible in FIG. 1.

Eine mögliche konstruktive Ausgestaltung der Heftkopfanordnung 1 und der Klammerschliessanordnung 2 wird anhand der Figuren 10 bis 17 noch erläutert werden.A possible constructive design of the stitching head arrangement 1 and the clip closing arrangement 2 will be explained with reference to FIGS. 10 to 17.

Die Variante gemäss Fig. 2 unterscheidet sich von der in Fig. 1 gezeigten Variante nur dadurch, dass für die Zuführung der als Einzelprodukte vorliegenden Druckereierzeugnisse 4 ein Bandförderer 17 vorgesehen ist. Oberhalb dieses Bandförderers 17 ist vor der Heftstation ein Förderband 18 vorgesehen, das auf der obenliegenden Seite der Druckereierzeugnisse 4 zur Auflage kommt. Der Heftvorgang spielt sich bei der Variante gemäss Fig. 2 gleich ab, wie das anhand der Fig. 1 beschrieben wurde.The variant according to FIG. 2 differs from the variant shown in FIG. 1 only in that a belt conveyor 17 is provided for feeding the printed products 4 present as individual products. Above this belt conveyor 17 is in front of the stapling station a conveyor belt 18 is provided, which comes to rest on the upper side of the printed products 4. In the variant according to FIG. 2, the stapling process takes place in the same way as was described with reference to FIG. 1.

Die in den Figuren 3 und 4 gezeigte zweite Ausführungsform unterscheidet sich von der ersten Ausführungsform gemäss den Figuren 1 und 2 durch eine andere Ausbildung der Klammerschliessanordnung 2. In den Figuren 3 und 4 sind die mit Schliessanordnungen versehenen Gegenauflagen 12 am Umfang einer Trommel 19 angeordnet, die in Richtung des Pfeiles C umlaufend angetrieben ist. Die Bahn W (Fig. 3) bzw. die einzelnen Druckereierzeugnisse 4 (Fig. 4) werden entlang einer gekrümmten Bewegungsbahn 3 über die Trommel 19 geführt. Die die Heftköpfe 7 tragende Kette 8 ist auf nicht näher dargestellte Weise derart geführt, dass der der Bewegungsbann 3 der Druckereierzeugnisse 4 zugekehrte Trum 8a gekrümmt verläuft, so dass der zugeordnete Abschnitt der Umlaufbahn U der Heftköpfe 7 im Heftbereich Z wieder etwa parallel zur Bewegungsbahn der Druckereierzeugnisse 4 verläuft, d. h. im wesentlichen zur Drehachse 19a der Trommel 19 koaxial. Die Heftköpfe 7 bewegen sich somit entlang einer etwa nierenförmigen Umlaufbahn U, während die Umlaufbahn V der Gegenauflagen 12 kreisförmig ist.The second embodiment shown in FIGS. 3 and 4 differs from the first embodiment according to FIGS. 1 and 2 by a different design of the clamp locking arrangement 2. In FIGS. 3 and 4, the counter supports 12 provided with locking arrangements are arranged on the circumference of a drum 19, which is driven circumferentially in the direction of arrow C. The web W (FIG. 3) or the individual printed products 4 (FIG. 4) are guided over the drum 19 along a curved movement path 3. The chain 8 carrying the stitching heads 7 is guided in a manner not shown in such a way that the strand 8a facing the movement spell 3 of the printed products 4 is curved, so that the assigned section of the orbit U of the stitching heads 7 in the stitching area Z is again approximately parallel to the movement path of the Printed products 4 runs, d. H. substantially coaxial with the axis of rotation 19a of the drum 19. The stitching heads 7 thus move along an approximately kidney-shaped orbit U, while the orbit V of the counter supports 12 is circular.

Das Heften erfolgt bei der Ausführungsform gemäss den Figuren 3 und 4 im Heftbereich Z im wesentlichen auf die anhand der Figuren 1 und 2 beschriebene Weise.
Die in Fig. 4 gezeigte Variante unterscheidet sich von der Variante gemäss Fig. 3, welche zum Heften von Bahnen W dient, dadurch, dass zum Führen der einzeln anfallenden Druckereierzeugnisse 4 Förderbänder 20 und 21 vorgesehen sind, die um Umlenkrollen 22 und über die Trommel 19 geführt sind. Die Druckereierzeugnisse 4 werden durch die in Richtung der Pfeile A' umlaufenden Förderbänder 20, 21 gehalten und entlang der Bewegungsbahn 3 in Richtung des Pfeiles A gefördert.
In the embodiment according to FIGS. 3 and 4, stapling takes place in the stitching area Z essentially in the manner described with reference to FIGS. 1 and 2.
The variant shown in FIG. 4 differs from the variant according to FIG. 3, which is used for stapling webs W, in that 4 conveyor belts 20 and 21 are provided for guiding the individually produced printed products are, which are guided around pulleys 22 and over the drum 19. The printed products 4 are held by the conveyor belts 20, 21 rotating in the direction of the arrows A 'and conveyed along the movement path 3 in the direction of the arrow A.

Auch bei der Ausführungsform gemäss den Figuren 3 und 4 sind zwei identische Heftkopfanordnungen 1 sowie zwei Klammerschliessanordnungen 2 vorhanden. Dabei können die Gegenauflagen 12 beider Klammerschliessanordnungen 2 auf demselben Rotor 19 angeordnet sein.In the embodiment according to FIGS. 3 and 4 there are two identical stitching head arrangements 1 and two clip closing arrangements 2. The counter-supports 12 of both clamp closing arrangements 2 can be arranged on the same rotor 19.

In den Figuren 5 und 6 sowie 7 und 8 ist eine dritte Ausführungsform einer Drahtheftvorrichtung gezeigt, wobei bei der Variante gemäss den Figuren 5 und 6 Bahnen W, die durch die zu heftenden Druckereierzeugnisse 4 gebildet sind, verarbeitet werden, während die Variante gemäss den Figuren 7 und 8 dazu dient, einzeln zugeführte Druckereierzeugnisse 4 zu heften. Im übrigen entsprechen sich diese beiden Varianten weitgehend.FIGS. 5 and 6 as well as 7 and 8 show a third embodiment of a wire stitching device, wherein in the variant according to FIGS. 5 and 6 webs W, which are formed by the printed products 4 to be stapled, are processed, while the variant according to the figures 7 and 8 serve to staple individually fed printed products 4. Otherwise, these two variants largely correspond.

Bei der Ausführungsform gemäss den Figuren 5 bis 8 sind wie bereits früher beschrieben zwei Heftkopfanordnungen 1, 1' sowie zwei Klammerschliessanordnungen 2, 2' vorhanden, welche in einer quer zur Bewegungsrichtung A der Druckereierzeugnisse 4 verlaufenden Richtung voneinander beabstandet sind (s. Figuren 6 und 8). Die Klammerschliessanordnung 2 bzw. 2' ist dabei gleich ausgebildet wie diejenige der Ausführungsform gemäss den Figuren 3 und 4. Die Gegenauflagen 12 sind nämlich auf einer in Richtung des Pfeiles C umlaufend angetriebenenen Trommel 19 befestigt und bewegen sich somit entlang einer kreisförmigen Umlaufbahn V.In the embodiment according to FIGS. 5 to 8, as already described earlier, there are two stapling head arrangements 1, 1 'and two staple closing arrangements 2, 2', which are spaced apart in a direction transverse to the direction of movement A of the printed products 4 (see FIGS. 6 and 8th). The clamp closure arrangement 2 or 2 'is of the same design as that of the embodiment according to FIGS. 3 and 4. The counter-supports 12 are in fact fastened on a drum 19 driven in the direction of arrow C and thus move along a circular orbit V.

Die Heftkopfanordnungen 1 bzw. 1' unterscheiden sich jedoch von denjenigen, die in den Figuren 3 und 4 gezeigt sind. Die Heftköpfe 7 werden entlang einer Umlaufbahn U bewegt, welche um die Trommel 19 herum verläuft. Der im Heftbereich Z liegende Abschnitt dieser Umlaufbahn U ist dabei koaxial zur Drehachse 19a der Trommel 19.The stitching head arrangements 1 and 1 ', however, differ from those shown in FIGS. 3 and 4. The stitching heads 7 are moved along an orbit U which runs around the drum 19. The section of this orbit U lying in the stitching area Z is coaxial with the axis of rotation 19 a of the drum 19.

Wie die Figuren 6 und 8 zeigen, ist jeder Heftkopf 7 an einem Tragarm 23 bzw. 23' befestigt, der in Achsrichtung der Trommel 19 verschiebbar in einer Halterung 24 bzw. 24' gelagert ist. Diese Halterungen 24, 24' sitzen auf der Welle 19b der Trommel 19 und drehen mit diesem synchron mit.As FIGS. 6 and 8 show, each stitching head 7 is fastened to a support arm 23 or 23 ', which is mounted in a holder 24 or 24' so as to be displaceable in the axial direction of the drum 19. These brackets 24, 24 'sit on the shaft 19b of the drum 19 and rotate with it synchronously.

Während des Heftvorganges, d.h. im Heftbereich Z, befinden sich die Tragarme 23, 23' in ihrer eingefahrenen Position, in der die Heftköpfe 7 der zugeordneten Gegenauflage 12 gegenüberliegen. In dieser Arbeitsstellung der Heftköpfe 7 werden diese zur Durchführung des Heftvorganges in Richtung des Pfeiles D bewegt, z.B. mittels Steuerhebeln oder Kulissen. Nach Verlassen des Heftbereiches Z werden die Heftköpfe 7 dann wieder abgehoben. Zudem werden die Tragarme 23, 23' in Richtung der Pfeile E zurückgefahren, so dass die Heftköpfe 7 in eine Position gebracht werden, in der sie sich ausserhalb der Bewegungsbahn 3 der gehefteten Druckereierzeugnisse befinden und somit deren Ablaufen von der Trommel 19 nicht beeinträchtigen. In dieser zurückgefahrenen Stellung laufen die Heftköpfe 7 an der Drahtabschnittspendeeinheit 11 bzw. 11' vorbei und übernehmen dort ein gerades Drahtstück, das dann während der Weiterbewegung zu einer U-förmigen Drahtklammer gebogen wird, wie das bereits anhand der Fig. 1 erläutert wurde. Im übrigen erfolgt das Heften gleich wie bei den vorangehend beschriebenen Ausführungsformen. In den Figuren 6 und 8 sind mit 25 die bereits gesetzten Klammern bezeichnet.During the stapling process, ie in the stapling area Z, the support arms 23, 23 'are in their retracted position, in which the stapling heads 7 lie opposite the associated counter support 12. In this working position of the stitching heads 7, they are moved in the direction of arrow D to carry out the stitching process, for example by means of control levers or scenes. After leaving the stitching area Z, the stitching heads 7 are then lifted off again. In addition, the support arms 23, 23 'are retracted in the direction of the arrows E, so that the stitching heads 7 are brought into a position in which they are outside the path of movement 3 of the stapled printed products and thus do not impair their running away from the drum 19. In this retracted position, the stitching heads 7 run past the wire section dispensing unit 11 or 11 'and take over a straight piece of wire there, which then closes during the further movement a U-shaped wire clamp is bent, as has already been explained with reference to FIG. 1. Otherwise, the stapling is the same as in the previously described embodiments. In FIGS. 6 and 8, the brackets that have already been placed are designated by 25.

Bei der in den Figuren 7 und 8 gezeigten Variante ist ein die Trommel umschlingendes endloses Halteband 26 vorhanden, welches über Umlenkrollen 27 geführt ist und das die einzeln zugeführten Druckereierzeugnisse 4 über die Trommel 19 führt.In the variant shown in FIGS. 7 and 8, there is an endless holding belt 26 which wraps around the drum, which is guided over deflection rollers 27 and which guides the individually fed printed products 4 over the drum 19.

In Fig. 9 ist rein schematisch eine mit einer erfindungsgemässen Drahtheftvorrichtung versehene Falzauslage einer Rotationsdruckmaschine dargestellt. Diese Falzauslage 28 ist an sich von bekannter Bauart und wird daher im folgenden nur kurz erläutert.9 shows, purely schematically, a folding delivery of a rotary printing press provided with a wire-stitching device according to the invention. This fold delivery 28 is of a known type and is therefore only briefly explained below.

Die aus zusammenhängenden Druckereierzeugnissen gebildete, gefaltete Bahn W (Strang) wird mittels eines Zugwalzenpaares 29 zwischen zwei Perforierwalzen 30 hindurchgezogen, welche an der Bahn W eine Querperforation anbringen. Die Bann W läuft dann zwischen einem Messerzylinder 31 und einem Sammelzylinder 32 hindurch, wobei die Bahn W in Querrichtung geschnitten wird. Die geschnittenen Druckereierzeugnisse 4 werden durch im Sammelzylinder 32 angeordnete Halteanordnungen 33 (Nadel- oder Greifersysteme) festgehalten. Die am Umfang des Sammelzylinders 32 aufliegenden Druckereierzeugnisse 4 werden dann einem Falzklappenzylinder 34 übergeben und dabei ein weiteres Mal gefaltet. Dabei wirkt jeweils ein am Sammelzylinder 32 vorgesehenes Falzmesser 35 mit einer Falzklappe 36 zusammen, welche Teil des Falzklappenzylinders 34 bildet. Von letzterem gelangen die gefalzten Druckereierzeugnisse 4 über ein Umlenkrad 37 in die Abteile eines Auslegerades 38, von wo die Druckereierzeugnisse 4 in Schuppenformation auf ein Auslageband 39 abgelegt werden. Soweit ist die Falzauslage 28 wie bereits beschrieben von herkömmlicher Bauart. Diese Falzauslage 28 ist nun mit einer erfindungsgemässen Drahtheftvorrichtung ausgerüstet, welche im wesentlichen der in den Figuren 7 und 8 gezeigten Variante entspricht.The folded web W (strand) formed from coherent printed products is pulled by means of a pair of traction rollers 29 between two perforating rollers 30, which provide a transverse perforation on the web W. The spell W then runs between a knife cylinder 31 and a collecting cylinder 32, the web W being cut in the transverse direction. The cut printed products 4 are held in place by holding arrangements 33 (needle or gripper systems) arranged in the collecting cylinder 32. The printed products 4 resting on the circumference of the collecting cylinder 32 are then transferred to a folding jaw cylinder 34 and are folded once more. In this case, a folding blade 35 provided on the collecting cylinder 32 interacts with a folding flap 36, which Forms part of the jaw cylinder 34. From the latter, the folded printed products 4 pass via a deflection wheel 37 into the compartments of a delivery wheel 38, from where the printed products 4 are deposited in a scale formation on a delivery belt 39. As far as the fold delivery 28 is of conventional design as already described. This fold delivery 28 is now equipped with a wire stitching device according to the invention, which essentially corresponds to the variant shown in FIGS. 7 and 8.

Die Klammerschliessanordnung 2 ist in dem Sammelzylinder 32 integriert. Die Gegenauflagen 12 befinden sich dabei im Bereich der Falzmesser 35 und bewegen sich entlang einer kreisförmigen Umlaufbahn V. Die Gegenauflagen 12 können z.B. statisch wirkende Umbieger sein, wie das in der GB-PS 740,079 gezeigt ist. Daneben ist es auch denkbar, die Gegenauflagen 12 mit gesteuerten Umbiegern zu versehen, wie das anhand der Fig. 10 noch erläutert werden wird.The clamp closing arrangement 2 is integrated in the collecting cylinder 32. The counter supports 12 are located in the area of the folding blades 35 and move along a circular orbit V. The counter supports 12 can e.g. be static-acting benders, as shown in GB-PS 740,079. In addition, it is also conceivable to provide the counter supports 12 with controlled benders, as will be explained with reference to FIG. 10.

Die Heftköpfe 7 der Heftkopfanordnung 1 laufen synchron mit dem Sammelzylinder 32 bzw. den Gegenauflagen 12 entlang einer geschlossenen Umlaufbahn U um, die um den Sammelzylinder 32 herum verläuft. An dieser Umlaufbann U ist, wie anhand der Figuren 1 bis 8 beschrieben, eine Drahtabschnittspendeeinheit 11 angeordnet, an der die Heftköpfe 7 vorbeilaufen und dabei ein gerades Drahtstück mitnehmen. Letzteres wird während des Weiterlaufens der Heftköpfe 7 zum Heftbereich Z zu einer U-förmigen Klammer gebogen. Gleich wie anhand der Figuren 6 und 8 erläutert, sind die Heftköpfe 7 in Richtung der Achse 32a des Sammelzylinders 32 verschiebbar. Im Heftbereich Z befinden sich die Heftköpfe 7 in ihrer eingefahrenen Stellung, in der sie den Gegenauflagen 12 gegenüberliegen. Nach Verlassen des Heftbereiches Z werden die Heftköpfe 7 in ihre äussere Endstellung zurückbewegt, in der sie sich ausserhalb der Bewegungsbahn der Druckereierzeugnisse 4 befinden.The stitching heads 7 of the stitching head arrangement 1 run synchronously with the collecting cylinder 32 or the counter supports 12 along a closed orbit U which runs around the collecting cylinder 32. As described with reference to FIGS. 1 to 8, a wire section dispensing unit 11 is arranged on this circulating spell U, along which the stitching heads 7 pass and take a straight piece of wire with them. The latter is bent into a U-shaped clamp while the stitching heads 7 continue to the stitching area Z. 6 and 8, the stitching heads 7 can be displaced in the direction of the axis 32a of the collecting cylinder 32. In the stitching area Z, the stitching heads 7 are in their retracted position in which they are Opposing pads 12 are opposite. After leaving the stitching area Z, the stitching heads 7 are moved back into their outer end position, in which they are outside the path of movement of the printed products 4.

Das Heften erfolgt auf die anhand der Fig. 1 beschriebene Weise im Heftbereich Z. Da in diesem Heftbereich Z die Heftköpfe 7 und die zugeordnete Gegenauflage 12 synchron mit dem zu heftenden Druckereierzeugnis mitlaufen, steht für den Heftvorgang mehr Zeit zur Verfügung als bei bekannten Lösungen, wie sie beispielsweise in der bereits erwähnten GB-PS 740,079 und der EP-OS 0 205 144 (und der entsprechenden US-PS 4,750,661) beschrieben sind.1 in the stitching area Z. Since in this stitching area Z the stitching heads 7 and the associated counter-support 12 run synchronously with the printed product to be stitched, more time is available for the stitching process than in known solutions, as described, for example, in the already mentioned GB-PS 740,079 and EP-OS 0 205 144 (and the corresponding US-PS 4,750,661).

Es versteht sich, dass gleich wie anhand der Figuren 6 und 8 beschrieben zwei (oder mehr) gleichartige Heftkopfanordnungen 1 mit zugeordneter Klammerschliessanordnung 2 vorhanden sind, um in Richtung der späteren Falzlinie der Druckereierzeugnisse 4 zwei (oder mehr) Drahtklammern zu setzen.It goes without saying that, as described with reference to FIGS. 6 and 8, there are two (or more) similar stapling head arrangements 1 with an associated clamp closing arrangement 2 in order to place two (or more) wire clamps in the direction of the later fold line of the printed products 4.

Führt der Sammelzylinder 32 zum Sammeln von Druckereierzeugnissen zwei Umdrehungen aus, bevor die Druckereierzeugnisse an den Falzklappenzylinder 34 übergeben werden, so werden dementsprechend die Heftköpfe derart gesteuert, dass sie während der ersten Umdrehung nicht wirksam werden.If the collecting cylinder 32 makes two rotations for collecting printed products before the printed products are transferred to the folding jaw cylinder 34, the stitching heads are accordingly controlled in such a way that they do not take effect during the first rotation.

Als Variante zu der in Fig. 9 gezeigten Lösung ist es auch möglich, das Heften der Bahn W (Strang) auf die anhand der Figuren 1, 3 bzw. 5 und 6 beschriebene Weise vor dem Schneiden der Bahn W, d.h. also vor dem Messerzylinder 31, durchzuführen. Anders ausgedrückt, wäre dann dem Messerzylinder 31 und dem Sammelzylinder 32 eine Heftvorrichtung vorzuschalten, wie sie beispielsweise in den Figuren 1, 3 oder 5 und 6 gezeigt ist.As a variant of the solution shown in FIG. 9, it is also possible to staple the web W (strand) in the manner described with reference to FIGS. 1, 3 or 5 and 6 before cutting the web W, that is to say in front of the knife cylinder 31, perform. In other words, a stapling device would then have to be connected upstream of the knife cylinder 31 and the collecting cylinder 32, as is shown, for example, in FIGS. 1, 3 or 5 and 6.

Bei einer weiteren möglichen Variante der Lösung gemäss Fig. 9 wird nach dem Sammelzylinder 32 und vor dem Falzaggregat eine Heftvorrichtung gemäss Fig. 2, 4 bzw. 7 und 8 eingeschaltet. Die Einzelprodukte 4 werden dann vom Sammelzylinder abgelöst, durch die Heftvorrichtung geführt und nach dem Heften gefaltet.In a further possible variant of the solution according to FIG. 9, a stapling device according to FIGS. 2, 4 or 7 and 8 is switched on after the collecting cylinder 32 and before the folding unit. The individual products 4 are then detached from the collecting cylinder, passed through the stapling device and folded after stapling.

Anhand der Figuren 10 bis 17 wird nun im Zusammenhang mit der Fig. 1 eine mögliche konstruktive Ausbildung der Drahtheftvorrichtung und insbesondere deren Heftköpfe und deren Klammerschliessanordnung beschrieben. Diese Drahtheftvorrichtung kann selbstverständlich auch - gegebenenfalls modifiziert - bei anderen der gezeigten Ausführungsbeispiele Verwendung finden.A possible constructive design of the wire stitching device and in particular its stitching heads and its clip closure arrangement will now be described with reference to FIGS. 10 to 17 in connection with FIG. 1. Of course, this wire stitching device can also be used in other of the exemplary embodiments shown, if appropriate modified.

Bezugnehmend auf die Figuren 10 und 11 ist zu erkennen, dass die beiden Heftköpfe 7,7' an einem in Richtung des Pfeiles F heb- und senkbaren Querträger 40 befestigt sind, der an jedem seiner Enden über Tragteile 41, 42 auf je einer Rückstellfeder 43 abgestützt ist. Jede dieser Federn 43 ruht auf einer Führungsbuchse 44, 45, die an einer Kette 46 bzw. 47 verankert ist, welche in Führungen 48, 49 geführt ist. Die Führungsbuchsen 44, 45 sind von je einem verschiebbaren Bolzen 50, 51 durchsetzt, der am einen Ende mit dem zugeordneten Tragteil 41 bzw. 42 zusammenwirkt und am andern Ende ein Zentrierelement 52 bzw. 53 trägt, das auf einer weiteren Feder 54 abgestützt ist.Referring to FIGS. 10 and 11, it can be seen that the two stitching heads 7, 7 'are fastened to a cross member 40 which can be raised and lowered in the direction of arrow F and which is supported at each of its ends via supporting parts 41, 42 on a return spring 43 is supported. Each of these springs 43 rests on a guide bush 44, 45 which is anchored to a chain 46 or 47 which is guided in guides 48, 49. The guide bushes 44, 45 are each penetrated by a displaceable bolt 50, 51, which cooperates at one end with the associated support part 41 or 42 and at the other end carries a centering element 52 or 53 which is supported on a further spring 54.

Jeder Tragteil 41, 42 ist am oberen Ende mit einer Steuerrolle 55, 56 versehen, die mit einer Kulisse 57, 58 zusammenwirkt. Der bewegte Teil jedes Heftkopfes 7 sitzt auf einer Welle 59 bzw. 60, die über eine Ueberlastkupplung 61, 62 mit einem Zahnrad 63 bzw. 64 verbunden ist. Letzteres kämmt mit einem weiteren Zahnrad 65 bzw. 66, das am Tragteil 41 bzw. 42 drehbar gelagert ist. An diesem Zahnrad 65, 66 ist eine Steuerrolle 67 bzw. 68 gelagert, die mit einer weiteren Kulisse 69 bzw. 70 zusammenzuwirken bestimmt ist. Am Zahnrad 65, 66 greift eine Rückstellfeder 71, die am anderen Ende mit dem Tragteil 41, 42 verbunden ist.Each support member 41, 42 is provided at the upper end with a control roller 55, 56 which cooperates with a link 57, 58. The moving part of each stitching head 7 sits on a shaft 59 or 60 which is connected to a gear 63 or 64 via an overload clutch 61, 62. The latter meshes with a further gear 65 or 66, which is rotatably mounted on the support part 41 or 42. On this gear 65, 66, a control roller 67 and 68 is mounted, which is intended to cooperate with another backdrop 69 and 70. A return spring 71, which is connected at the other end to the supporting part 41, 42, engages on the gear wheel 65, 66.

Die Gegenauflagen 12, 12' werden durch eine gemeinsame Auflageschiene 72 gebildet, die über Tragteile 73 an Ketten 74 bzw. 75 befestigt ist, die in Führungen 76 bzw. 77 laufen. Die Klammerschliessanordnung 2, 2' weist in der Gegenauflage 12, 12' bzw. in der Auflageschiene 72 bewegbar gelagerte Klammerschliesser 78, 79 (Fig. 10) auf, die über ein Betätigungsglied 80 gegen die Heftköpfe 7 anhebbar sind. Das Betätigungsglied 80 ist an beiden Enden an je einen Schwenkhebel 81 bzw. 82 gelagert. Am einen Schwenkhebel 82 greift ein Verbindungsglied 83 an, welches mit einem Betätigungshebel 84 verbunden ist. Letzterer trägt an seinem Ende eine Steuerrolle 85, die mit einer Kulisse 86 zusammenwirkt. Am Verbindungsglied 83 greift eine Rüskstellfeder 87 an.The counter supports 12, 12 'are formed by a common support rail 72 which is fastened to chains 74 and 75, respectively, which run in support members 73 and run in guides 76 and 77, respectively. The clamp closure arrangement 2, 2 'has clamp closers 78, 79 (FIG. 10) which are movably mounted in the counter-support 12, 12' or in the support rail 72 and can be raised against the stitching heads 7 via an actuating element 80. The actuator 80 is supported at both ends on a pivot lever 81 and 82, respectively. A link 83, which is connected to an actuating lever 84, engages on a pivot lever 82. The latter carries a control roller 85 at its end, which cooperates with a link 86. A return spring 87 engages the connecting member 83.

Die Funktionsweise der in den Figuren 10 bis 12 gezeigten Anordnung ist wie folgt:
Sobald die Steuerrollen 55, 56 auf die im Heftbereich Z angeordneten Steuerkulissen 57, 58 auflaufen, wird der Querträger 40 zusammen mit den Heftköpfen 7 in Richtung des Pfeiles F nach unten zur synchron mitlaufenden Auflageschiene 72 bewegt. Dabei kommen die Zentrierelemente 52, 53 mit entsprechenden Zentrierabschnitten der Auflageschiene 72 in Eingriff, wodurch eine Zentrierung der Heftköpfe 7 und der Gegenauflagen 12 erfolgt. Bei der Weiterbewegung des Trägers 40 kommen nun die Kulissen 69, 70 zur Einwirkung auf die Steuerrollen 67, 68, was über die Zahnräder 63, 64, 65, 66 ein Drehen der Wellen 59 bzw. 60 zur Folge hat. Anhand der Figuren 13 bis 17 wird noch erläutert werden, was beim Drehen dieser Wellen 59, 60 geschieht.
The mode of operation of the arrangement shown in FIGS. 10 to 12 is as follows:
As soon as the control rollers 55, 56 run onto the control links 57, 58 arranged in the stitching area Z, the cross member 40 together with the stitching heads 7 is moved downward in the direction of arrow F to the synchronously running support rail 72. The centering elements 52, 53 come into engagement with corresponding centering sections of the support rail 72, as a result of which the stitching heads 7 and the counter supports 12 are centered. During the further movement of the carrier 40, the scenes 69, 70 now act on the control rollers 67, 68, which causes the shafts 59 and 60 to rotate via the gears 63, 64, 65, 66. 13 to 17 will be used to explain what happens when these shafts 59, 60 are rotated.

Im Zuge des weiteren Durchlaufens des Heftbereiches Z durch die Heftköpfe 7 und die Gegenauflagen 12 werden nach dem Setzen der Klammern in das Druckereierzeugnis 4 die Klammerschliesser 78, 79 angehoben, wodurch die Enden der Drahtklammern auf an sich bekannte Weise umgebogen werden. Dieses Anheben der Klammerschliesser 78, 79 erfolgt beim Auflaufen der Steuerrolle 85 auf die Kulisse 86, was ein Verschwenken der Schwenkhebel 81, 82 im Gegenuhrzeigersinn und damit ein Anheben des Betätigungsgliedes 80 zur Folge hat.In the course of the further passage of the stitching area Z through the stitching heads 7 and the counter supports 12, after the clips have been placed in the printed product 4, the clip closers 78, 79 are raised, as a result of which the ends of the wire clips are bent in a manner known per se. This lifting of the clamp closers 78, 79 takes place when the control roller 85 runs onto the link 86, which results in the pivoting of the pivoting levers 81, 82 in the counterclockwise direction and thus in a lifting of the actuating member 80.

Nach Beendigung des Heftvorganges laufen die Steuerrollen 55, 56; 67, 68 sowie 85 von den entsprechenden Kulissen 57, 58; 69, 70 bzw. 86 ab, was über die Rückstellfedern 43, 71 und 87 ein Rückstellen zur Folge hat.After the stapling process, the control rollers 55, 56; 67, 68 and 85 from the corresponding backdrops 57, 58; 69, 70 and 86 respectively, which results in resetting via the return springs 43, 71 and 87.

Anhand der Figuren 13 bis 17 wird nun unter Bezugnahme auf den Heftkopf 7' der Aufbau der Heftköpfe 7, 7' erläutert, wobei in den Figuren 15 bis 17 nur noch diejenigen Teile mit den zugeordneten Bezugszeichen versehen sind, die im Zusammenhang mit der entsprechenden Funktionsbeschreibung von Bedeutung sind. Der Aufbau und die Funktionsweise dieser Heftköpfe 7, 7' ist im übrigen in der Schweizer Patentanmeldung Nr. 01 963/89 ausführlicher beschrieben.The structure of the stitching heads 7, 7 'will now be explained with reference to the stitching head 7' with reference to FIGS. 13 to 17, only those parts in FIGS. 15 to 17 being provided with the assigned reference numerals which are associated with the corresponding functional description are important. The structure and operation of these stitching heads 7, 7 'is also described in more detail in Swiss Patent Application No. 01 963/89.

Der in den Figuren 13 und 14 in seiner in der Fig. 10 gezeigten Ausgangs- oder Ruhestellung dargestellte Heftkopf 7' besitzt einen am Querträger 40 (Figuren 10 bis 12) befestigten Tragteil 90, der zwei in einem Abstand voneinander angeordnete, zueinander parallele seitliche Lagerteile 90a, 90b aufweist (s. insbesondere Fig. 14). In den Lagerteilen 90a, 90b des Tragteiles 90 ist je eine Lagerhülse 91, 92 frei drehbar gelagert. Durch die Lagerhülsen 91, 92 hindurch verläuft die Welle 59, welche bezüglich den Lagerhülsen 91, 92 frei drehbar ist (Fig. 14). Die Schwenkachse der Welle 59 ist in der Fig. 14 strichpunktiert dargestellt und mit 59a bezeichnet. Zwischen den beiden Lagerteilen 90a, 90b sind die beiden zueinander parallel verlaufenden Stempelarme 93, 94 eines Stempels 95, die mit den betreffenden Lagerhülsen 91, 92 einstückig ausgebildet sind, angeordnet. Die beiden Stempelarme 93, 94 sind durch einen Steg 96 miteinander verbunden (Fig. 13). Am freien Ende weist jeder Stempelarm 93, 94 eine Mitnehmernase 97 auf, an der ein gerader, von der Drahtabschnittspendeeinheit 11 übernommener Drahtabschnitt 98 anliegt, der auf nicht näher dargestellte Weise, z.B. durch Magnetkraft, am Stempel 95 gehalten ist.The stitching head 7 'shown in FIGS. 13 and 14 in its initial or rest position shown in FIG. 10 has a support part 90 fastened to the cross member 40 (FIGS. 10 to 12), which has two mutually parallel lateral bearing parts arranged at a distance from one another 90a, 90b (see in particular Fig. 14). In each of the bearing parts 90a, 90b of the support part 90, a bearing sleeve 91, 92 is freely rotatable. The shaft 59 runs through the bearing sleeves 91, 92 and can be freely rotated with respect to the bearing sleeves 91, 92 (FIG. 14). The pivot axis of the shaft 59 is shown in dash-dot lines in FIG. 14 and is designated 59a. Arranged between the two bearing parts 90a, 90b are the two mutually parallel stamp arms 93, 94 of a stamp 95, which are formed in one piece with the relevant bearing sleeves 91, 92. The two punch arms 93, 94 are connected to one another by a web 96 (FIG. 13). At the free end, each punch arm 93, 94 has a driver nose 97, against which a straight wire section 98, taken over by the wire section dispensing unit 11, bears, which is held on the punch 95 in a manner not shown, for example by magnetic force.

Die Stempelarme 93, 94 weisen auf ihrer Innenseite gegeneinander offene, sich in radialer Richtung über die gesamte Länge der Stempelarme 93, 94 erstreckende Nuten 99, 100 auf. Letztere sind am einen Ende im Bereich des Drantabschnittes 98 offen. Zwischen den Stempelarmen 93, 94 ist ein Stössel 101 angeordnet, der mittels seines Stösselkopfes 102 in Führungen im Stempel 95 in radialer Richtung verschiebbar geführt ist (Fig. 14). Der Stösselkopf 102 ist mit einem Betätigungsteil 103 verbunden, an welchem eine Zahnstange 104 ausgebildet ist. Die Zahnstange 104 verläuft parallel zur Längserstreckung der Stempelarme 93, 94 und kämmt mit einem drehfest auf der Welle 59 sitzenden, zwischen den beiden Lagerhülsen 91, 92 angeordneten Ritzel 105. In Verlängerung der Zahnstange 104, in Richtung gegen den Stösselkopf 102, ist am Stössel 101 ein Führungsbolzen 106 vorgesehen, welcher beidseits über den Stössel 101 vorsteht und in je eine von zwei identischen Steuerkulissen 107, 108, die in den Lagerteilen 90a, 90b des Tragteiles 90 ausgebildet sind, eingreift. Die Steuerkulissen 107, 108 weisen einen ersten, zur Welle 59 koaxialen Abschnitt 108' (Fig. 13) auf, der sich etwa über einen Winkel von 180° erstreckt. Dieser Abschnitt 108' geht anschliesend in einen geradlinigen, sich nach unten erstreckenden und sich von der Welle entfernenden Abschnitt 108'' über, der parallel zu den Nuten 99, 100 des sich in seiner Klammersetzstellung befindenden Stempels 95 verläuft (vgl. Fig. 16).The punch arms 93, 94 have on their inside mutually open grooves 99, 100 which extend in the radial direction over the entire length of the punch arms 93, 94. The latter are open at one end in the area of the Drant section 98. A plunger 101 is arranged between the plunger arms 93, 94 and is guided in the radial direction in guides in the plunger 95 by means of its plunger head 102 (FIG. 14). The plunger head 102 is connected to an actuating part 103, on which a rack 104 is formed. The toothed rack 104 runs parallel to the longitudinal extension of the punch arms 93, 94 and meshes with a pinion 105 which is fixed on the shaft 59 and is fixed between the two bearing sleeves 91, 92. In an extension of the toothed rack 104, in the direction towards the tappet head 102, is on the tappet 101, a guide pin 106 is provided, which protrudes on both sides over the plunger 101 and engages in one of two identical control links 107, 108, which are formed in the bearing parts 90a, 90b of the support part 90. The control links 107, 108 have a first section 108 '(FIG. 13) which is coaxial with the shaft 59 and extends approximately over an angle of 180 °. This section 108 'then merges into a rectilinear, downwardly extending section 108' 'which moves away from the shaft and runs parallel to the grooves 99, 100 of the punch 95 which is in its clamp-setting position (cf. FIG. 16). .

Auf der Welle 59 sind ausserhalb der beiden Lagerteile 90a, 90b zwei Schwenkhebel 109, 110 frei schwenkbar gelagert. Im Bereich ihrer freien Enden sind die beiden Schwenkhebel 109, 110 durch ein Klammerführungsglied 111 miteinander verbunden. Letzteres weist eine über die beiden Schwenkhebel 109, 110 vorstehende Klammerführungsnase 112 auf. Auf der der Klammerführungsnase 112 abgewandten Seite ist am Klammerführungsglied 111 eine Biegekulisse 113 (Matrize) angeformt. Die Biegekulisse 113 und das Klammerführungsglied 111 weisen parallel zueinander verlaufende Ausnehmungen 114, 115 auf (Fig. 14), in welche beim Verschwenken des Stempels 95 von der Ruhe- in die Klammersetzstellung die Endbereiche der beiden Stempelarme 93, 94 zu liegen kommen. Im Bereich der Klammerführungsnase 112 verjüngt sich das Klammerführungsglied 111 gegen aussen keilförmig. Die Keilfläche ist mit 112' bezeichnet. Am einen Lagerteil 90b des Tragteiles 90 ist eine Blattfeder 116 befestigt, welche auf den einen Schwenkhebel 110 einwirkt und die beiden Schwenkhebel 109, 110 zusammen mit dem Klammerführungsglied 111 und der Biegekulisse 113 im Gegenuhrzeigersinn gegen den Tragteil 90 drückt.On the shaft 59, two swivel levers 109, 110 are pivoted freely outside the two bearing parts 90a, 90b. The two swivel levers 109, 110 are in the region of their free ends by a clamp guide member 111 connected with each other. The latter has a clip guide lug 112 projecting over the two pivot levers 109, 110. On the side facing away from the clip guide lug 112, a bending link 113 (die) is formed on the clip guide member 111. The bending link 113 and the clamp guide member 111 have recesses 114, 115 running parallel to one another (FIG. 14), into which the end regions of the two stamp arms 93, 94 come to rest when the stamp 95 is pivoted from the rest position into the clamp setting position. In the area of the clip guide lug 112, the clip guide member 111 tapers in a wedge shape towards the outside. The wedge surface is designated 112 '. On a bearing part 90b of the support part 90, a leaf spring 116 is fastened, which acts on the one pivot lever 110 and presses the two pivot levers 109, 110 together with the clamp guide member 111 and the bending link 113 counterclockwise against the support part 90.

In den Figuren 13 und 14 befindet sich der Stempel 95 wie bereits erwähnt in seiner Ruhestellung. In der Fig. 15 ist der Stempel 95 bezüglich seiner Ruhestellung im Gegenuhrzeigersinn um 90° verschwenkt dargestellt, während er sich in der Darstellung gemäss den Figuren 16 und 17 in der Klammersetzstellung 95' befindet (nach einer Verschwenkung um 180°). Der Stössel 101 ist in der Fig. 17 im Bereich seiner unteren Endlage gezeigt, in welcher eine aus dem geraden Drahtabschnitt 98 gebogene Klammer 98' aus dem Stempel 95 ausgestossen und in das zu heftende Druckereierzeugnis eingedrückt wird.As already mentioned, the stamp 95 is in its rest position in FIGS. 13 and 14. In FIG. 15, the stamp 95 is shown pivoted counterclockwise by 90 ° with respect to its rest position, while in the representation according to FIGS. 16 and 17 it is in the clamp setting position 95 '(after pivoting through 180 °). The plunger 101 is shown in FIG. 17 in the region of its lower end position, in which a clip 98 ′ bent out of the straight wire section 98 is ejected from the stamp 95 and pressed into the printed product to be stapled.

Im folgenden wird nun die Funktionsweise des Heftkopfes 7' erläutert.The operation of the stitching head 7 'will now be explained.

Der Stempel 95 übernimmt in seiner in den Fig. 13 und 14 dargestellten Ruhestellung von der Drahtabschnittspendeeinheit 11 einen geraden Drahtabschnitt 98. Zum Biegen der Klammer aus diesem Drahtabschnitt 98 wird die Welle 59 wie anhand der Figuren 10 bis 12 erläutert im Gegenuhrzeigersinn verdreht. Solange sich der Führungsbolzen 106 innerhalb des Abschnittes 108' der Steuerkulissen 107, 108 befindet, kann sich der Stössel 101 nicht in radialer Richtung bewegen. Der Stempel 95 ist über den Stössel 101 mit der Welle 59 gekuppelt und wird somit mitgedreht. Nach einer 90°-Drehung im Gegenuhrzeigersinn gelangt der Stempel 95 in die in der Fig. 15 gezeigte Stellung, in welcher der Drahtabschnitt 98 auf die Biegekulisse 113 aufzulaufen beginnt. Im Zuge der Weiterdrehung des Stempels 95 wird der Drahtabschnitt 98 durch die Biegekulisse 113 zu einer U-förmigen Klammer 98' gebogen, deren Schenkel in den Nuten 99, 100 der Stempelarme 93, 94 geführt sind. Sobald der Stempel 95 nach einer Drehung von 180° die in der Fig. 16 gezeigte Klammersetzstellung 95' erreicht hat, wird die Drehverbindung zwischen der Welle 59 und dem Stempel 95 aufgehoben, da der Führungsbolzen 106 nun in den parallel zum Stempel 95 verlaufenden Abschnitt 108'' der Steuerkulissen 107, 108 einzulaufen beginnt. Beim Weiterdrehen der Welle 59 im Gegenuhrzeigersinn wird nun der Führungsbolzen 106 entlang dieses Abschnittes 108'' der Steuerkulissen 107, 108 geführt, was dazu führt, dass sich das Ritzel 105 an der Zahnstange 104 abwälzt, was eine in radialer Richtung nach aussen gerichtete Bewegung des Stössels 101 zur Folge hat. Dabei kommt der Stössel 102 an der Klammer 98' zur Anlage und stösst diese in radialer Richtung aus dem Stempel 95. Der Stösselkopf 102 kommt dabei an der Keilfläche 112' der Klammerführungsnase 112 zur Anlage und schwenkt das Klammerführungsglied 111 zusammen mit den Schwenkhebeln 109, 110 entgegen der Kraft der Blattfeder 116 im Uhrzeigersinn aus dem Bereich des Stössels 101 weg. Während des Ausstossens der Klammer 98' aus dem Stempel 95 werden die Schenkel der Klammer 98' von der Klammerführungsnase 112 in den Nuten 99, 100 der Stempelarme 93, 94 gehalten, so dass die Klammer 98' während des gesamten Ausstossvorganges geführt ist.In its rest position shown in FIGS. 13 and 14, the stamp 95 takes over a straight wire section 98 from the wire section dispensing unit 11. In order to bend the clip out of this wire section 98, the shaft 59 is rotated counterclockwise as explained with reference to FIGS. 10 to 12. As long as the guide pin 106 is located within the section 108 'of the control link 107, 108, the plunger 101 cannot move in the radial direction. The stamp 95 is coupled to the shaft 59 via the plunger 101 and is thus rotated as well. After a 90 ° rotation in the counterclockwise direction, the die 95 reaches the position shown in FIG. 15, in which the wire section 98 begins to run onto the bending link 113. In the course of the further rotation of the punch 95, the wire section 98 is bent through the bending link 113 to a U-shaped bracket 98 ', the legs of which are guided in the grooves 99, 100 of the punch arms 93, 94. As soon as the plunger 95 has reached the clamp setting position 95 'shown in FIG. 16 after a rotation of 180 °, the rotary connection between the shaft 59 and the plunger 95 is canceled, since the guide bolt 106 now extends into the section 108 running parallel to the plunger 95 '' the control link 107, 108 begins to run in. When the shaft 59 continues to rotate in the counterclockwise direction, the guide pin 106 is now guided along this section 108 ″ of the control links 107, 108, which leads to the pinion 105 rolling on the rack 104, which results in a movement of the Ram 101 results. The plunger 102 comes to bear on the clamp 98 'and pushes it out of the punch 95 in the radial direction. The plunger head 102 comes to the wedge surface 112 'of the clamp guide lug 112 and the pivot guide member 111 together with the pivot levers 109, 110 counterclockwise away from the force of the leaf spring 116 away from the area of the plunger 101. During the ejection of the clamp 98 'from the stamp 95, the legs of the clamp 98' are held by the clamp guide lug 112 in the grooves 99, 100 of the stamp arms 93, 94, so that the clamp 98 'is guided during the entire ejection process.

Die ausgestossene Klammer 98' wird wie bereits früher erwähnt durch das zu heftende Druckereierzeugnis hindurch gegen die Gegenauflagen gedrückt, welche ein Umbiegen der Klammerschenkel bewirken.As previously mentioned, the ejected clip 98 'is pressed through the printed product to be stapled against the counter supports, which cause the clip legs to bend.

Die Rückstellung des Stempels 95 erfolgt durch ein Zurückdrehen der Welle 59 im Uhrzeigersinn, das wie anhand der Figuren 10 bis 12 beschrieben erfolgt. Das Klammerführungsglied 111 wird durch die Blattfeder 116 in die in den Figuren 13 und 14 gezeigte Ruhelage zurückverschwenkt, sobald der Stössel 101 im Zuge der Rückstellung des Stempels 95 in radialer Richtung nach innen bewegt worden ist.The stamp 95 is reset by turning the shaft 59 back in a clockwise direction, as described with reference to FIGS. 10 to 12. The clamp guide member 111 is pivoted back by the leaf spring 116 into the rest position shown in FIGS. 13 and 14 as soon as the plunger 101 has been moved in the radial direction in the course of the resetting of the plunger 95.

Es versteht sich, dass bei den Ausführungsbeispielen gemäss den Figuren 1 bis 9 auch Heftköpfe verwendet werden können, die anders als wie anhand der Figuren 10 bis 17 beschrieben ausgebildet sind.It goes without saying that stapling heads can also be used in the exemplary embodiments according to FIGS. 1 to 9, which are designed differently than as described with reference to FIGS. 10 to 17.

Claims (15)

  1. A device for stapling multipart printed products, in particular newspapers, periodicals, brochures and the like, with a conveyor assembly (6) for conveying the printed products (4) to be stapled along a movement path (3) through a stapling zone (Z); at least one stapler head assembly (1) consisting of a number of stapler heads (7) for setting the wire staples (98'), which circulate substantially at the displacement speed of the printed products (4) along a closed circulation path (U) and are arranged with an interspacing one after the other in the circulation direction (B), in which arrangement the circulation path (U) extends in the stapling zone (Z) along a section substantially parallel to the movement path (3) of the printed products (4); at least one staple closing assembly (2) consisting of a number of counter-bearing means (12) intended to cooperate with the stapler heads (7) in the stapling zone (Z) and provided with a closing assembly for closing the set wire staples (98'), which counter-bearing means circulate synchronously with the stapler heads (7) also along a closed circulation path (V), which in the stapling zone (Z) extends substantially parallel to the movement path (3) of the printed products (4) along a section that lies, relative to the movement path (3) of the printed products (4), on the opposite side to the circulation path (U) of the stapler heads (7); and a wire length dispensing unit (11) arranged in a stationary position along the circulation path (U) of the stapler heads (7), which unit delivers a wire length (98) to the passing stapler heads (7); characterized in that the conveyor assembly (6) passes the printed products (4) to be stapled in a contiguous mode as a multilayer web (W), or as individual products flat along a planar or curved areal movement path (3) through the stapling zone (Z); that the wire length dispensing unit (11) delivers the wire lengths (98) extending at right angles to the circulation direction (B) of the stapler heads (7); and that the stapler heads (7) set the wire staples (98') along lines extending substantially at right angles to the conveyance direction (A) of the printed products (4) and corresponding to the subsequent fold lines (16).
  2. A device according to claim 1, characterized in that the wire length dispensing unit (11) is arranged outside the stapling zone (Z).
  3. A device according to claim 1, characterized in that the stapler head assembly (1) is separate from the conveyor assembly (6).
  4. A device according to claim 1, characterized by a second stapler head assembly (1') with an associated second staple closing assembly (2'), which is offset relative to the first stapler head assembly (1) in a direction extending substantially at right angles to the conveyance direction (A) of the printed products (4).
  5. A device according to claim 1, characterized in that the stapler heads (7) are secured on a pull member (8) carried over deflecting elements (9, 10), which pull member is carried in the stapling zone (Z) substantially parallel to the movement path (3) of the printed products (4).
  6. A device according to claim 5, characterized in that the wire length dispensing unit (11) is arranged on the inner side of the closed circulation path (U) of the stapler heads (7).
  7. A device according to claim 1, characterized in that the stapler heads (7) rotate along a circular circulation path (U) within which there extends the circulation path (V) of the counter-bearing means (12).
  8. A device according to claim 1 or 2, characterized in that the counter-bearing means (12) are secured on a pull member (13) carried over deflecting elements (14, 15), which extends in the stapling zone (Z) substantially parallel to the movement path (3) of the printed products (4).
  9. A device according to one of claims 1, 5 or 7, characterized in that the counter-bearing means (12) are arranged on the circumference of a rotating drum (19) by means of which the printed products (4) are carried along a zone including the stapling zone (Z).
  10. A device according to claim 9, characterized in that the stapler heads (7) are mounted for a reciprocating movement in the axial direction (19a) of the drum (19) between a working position and a retracted position.
  11. A device according to one of claims 1, 5, or 7, characterized in that the counter-bearing means (12) are arranged on the circumference of a collecting cylinder (32) of the folding assembly (28) of a rotary printing press.
  12. A device according to claim 11, characterized in that the counter-bearing means (12) are arranged in the zone of the folding blades (35).
  13. A device according to claim 1, characterized by a wire length dispensing unit (11) delivering straight wire lengths (98) to the stapler heads (7), and means for bending these straight wire lengths (98) into a U-shape during their conveyance to the stapling zone (Z).
  14. A device according to one or more of claims 1 to 10, characterized in that the device is disposed ahead of the collecting cylinder or folding cylinder (32) of the folding assembly (28) of a rotary printing press.
  15. A device according to one or more of claims 1 to 10, characterized in that the device is arranged between the collecting cylinder (32) and the folding device (34) of the folding assembly (28) of a rotary printing press.
EP91111268A 1990-08-06 1991-07-06 Device for stapling multiple-part printed products Expired - Lifetime EP0473902B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2564/90 1990-08-06
CH256490 1990-08-06

Publications (2)

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EP0473902A1 EP0473902A1 (en) 1992-03-11
EP0473902B1 true EP0473902B1 (en) 1995-10-11

Family

ID=4236644

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Application Number Title Priority Date Filing Date
EP91111268A Expired - Lifetime EP0473902B1 (en) 1990-08-06 1991-07-06 Device for stapling multiple-part printed products

Country Status (6)

Country Link
US (1) US5174557A (en)
EP (1) EP0473902B1 (en)
JP (1) JP3002796B2 (en)
CA (1) CA2048416A1 (en)
DE (2) DE59106663D1 (en)
RU (1) RU2070518C1 (en)

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DE19903120A1 (en) * 1999-01-27 2000-08-03 Roland Man Druckmasch Deceleration mechanism for products passing through a mechanical folding apparatus
DE10039908A1 (en) * 2000-08-16 2002-02-28 Kolbus Gmbh & Co Kg Mechanical stapler for printed products incorporates conveyor, stapler with head, clamping bars in magazine and wire staples.
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US6578838B2 (en) * 2001-03-30 2003-06-17 Hewlett-Packard Development Company, L.P. Sheet collecting apparatus with integrated staple mechanism
US6962280B2 (en) * 2002-07-05 2005-11-08 Goss International Americas, Inc. Rotary stitching device
EP1422074B1 (en) 2002-11-22 2014-06-11 Hohner Maschinenbau GmbH Stapling device, gathering and stapling machine having such a stapling device and method of stapling using such a stapling device or such a gathering and stapling machine
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DE102012200877B4 (en) * 2012-01-23 2014-09-11 Koenig & Bauer Aktiengesellschaft Web-fed printing machine and method with a longitudinal stapling device for inline stapling and method for producing a product
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Also Published As

Publication number Publication date
DE59106663D1 (en) 1995-11-16
EP0473902A1 (en) 1992-03-11
JPH04226791A (en) 1992-08-17
CA2048416A1 (en) 1992-02-07
RU2070518C1 (en) 1996-12-20
JP3002796B2 (en) 2000-01-24
DE9108466U1 (en) 1991-08-29
US5174557A (en) 1992-12-29

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