EP0023986B1 - Dispositif de coupe pour une brocheuse de machine à imprimer - Google Patents

Dispositif de coupe pour une brocheuse de machine à imprimer Download PDF

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Publication number
EP0023986B1
EP0023986B1 EP80104179A EP80104179A EP0023986B1 EP 0023986 B1 EP0023986 B1 EP 0023986B1 EP 80104179 A EP80104179 A EP 80104179A EP 80104179 A EP80104179 A EP 80104179A EP 0023986 B1 EP0023986 B1 EP 0023986B1
Authority
EP
European Patent Office
Prior art keywords
wire
spindle
cutting device
cutting
housing
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
Application number
EP80104179A
Other languages
German (de)
English (en)
Other versions
EP0023986A1 (fr
Inventor
Godber Petersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0023986A1 publication Critical patent/EP0023986A1/fr
Application granted granted Critical
Publication of EP0023986B1 publication Critical patent/EP0023986B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/64—Collecting
    • B41F13/66—Collecting and stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B4/00—Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire
    • B42B4/02—Rotary type stitching machines

Definitions

  • the invention relates to a cutting device for a wire stitching device in a printing press with a rotating stitching cylinder to which a section of staple-forming stitching wire can be fed, the wire held in a wire holder being rotatable by a non-rotating cutting nozzle to which the wire is fed by means of a pair of transport rollers Knife is detachable.
  • a method and a device for staple formation on wire stitching machines is known.
  • the wire is cut by rotating knives and bent into staples for staple formation in wire staplers, in which at least one staple wire section is unwound from a supply roll per staple and is supplied approximately continuously to the staple formation device.
  • the stitching wire is cut at a low cutting speed based on the peripheral speed of the knife.
  • a disadvantage of this known device is that although the cutting speed can be changed, the length of the wire pieces to be cut is not possible without the need for expensive conversion work in order to form clips with different leg lengths.
  • DE-C-949 475 discloses a wire feed and cutting device for staplers, in which staples with different leg lengths can be produced by moving the cutting nozzle and changing the wire feed speed.
  • a disadvantage of this device and of the device known from German Offenlegungsschrift 1 452 995 is that the interface or the wire holder is located directly at the transfer point of the stitching cylinder. As a result, it is necessary that the wire drawing devices on the stapling cylinder that are not required have to be deactivated when switching from non-collecting to collecting production.
  • the object of the invention is to provide a cutting device for a wire stapling device, with which both the leg length of the staples to be formed can be changed and the changeover from collection to non-collection production can be carried out by means of a simple adjustment process, without additional adjustment devices and adjustment processes being required with regard to the stitching cylinder are.
  • this object is achieved in that the knife is mounted on a rotatable housing, which is connected in a rotationally fixed manner to a drive spindle running coaxially and parallel to the stapling cylinder axis, and is axially displaceable together with the cutting nozzle via an adjusting device in relation to the locally fixed center for the wire to be cut in each case the wire feed speed can be changed by changing the transport roller drive via an adjusting device coupled to the adjusting device, and that the drive spindle, the wire speed of which can be adjusted depending on the setting of collective or non-collective production, is firmly connected with the gripper tongues trailing in relation to the knife, which in the course of the spindle rotation after the cutting process capture the piece of stitching wire located in the wire holder and subsequently feed it to the takeover point of the stitching cylinder at which the piece of wire k is taken over by the take-over device of the stitching cylinder.
  • the solution according to the invention achieves the advantage that the wire holder does not have to lie in the area of the takeover point of the stitching cylinder, as is the case in the prior art, but outside the detection area of the takeover device of the stitching cylinder.
  • no mechanically complicated actuating device needs to be provided on the stapling cylinder in order to move unneeded take-over devices of the stapling cylinder out of the detection area and to exclude wire gripping.
  • the housing 5 is non-rotatable axially displaceably mounted on a hollow spindle 6, which is driven by a stitching cylinder 136 (Fig. 2).
  • the gear required for driving the cutting device is described below.
  • the drive comes via bevel gears from the axis 7 of the stitching cylinder 136 via a spindle 135 into the gear housing 8.
  • the spur gears 10 and 11 can be fixedly connected to the hollow spindle 9 by a pulling wedge 16 connected to a linkage 15 via a pinion 17, optionally by turning a hand crank 18.
  • the hollow spindle 9 rotates once per revolution of the stitching cylinder 136 and, due to the translation of the spur gears, the hollow spindle 6 in FIG. 1 by bevel gears 19 and 20 twice.
  • two pieces of wire are cut off per cylinder revolution, since the cutting roller 4 moves past the cutting nozzle 3 twice.
  • the spindle 9 rotates one and a half times and the spindle 6 once. In this case, only one piece of wire is cut off per cylinder revolution.
  • the wire feed is adapted to the non-collective production or the collective production of the folding apparatus which cooperates with the stitching cylinder 136.
  • the stapling device staples two sheets per cylinder revolution. It therefore carries two stapling elements on the circumference of the stapling cylinder 136 and requires two pieces of wire per revolution.
  • the stapling device staples two sheets per cylinder revolution. It therefore carries two stapling elements on the circumference of the stapling cylinder 136 and requires two pieces of wire per revolution.
  • collective production only one staple and one piece of wire is required per cylinder revolution on the circumference.
  • stapling cylinder 136 For a suitable stapling, two staples are produced for each sheet on the axis 7 of the stapling cylinder 136, with which the staple is stapled. In Fig. 1, therefore, stitching and cutting device are available in duplicate.
  • the stapling cylinder 136 carries four stapling members, two of which are arranged diagonally, ie offset by 180 °, on the stapling cylinder 136.
  • two stapling elements lying next to one another are then stopped in order to reduce wear.
  • a piece of wire is fed only once around the circumference, if they are not deactivated, they cannot form brackets.
  • the staple length must be changed to staple paper of different thickness.
  • the process for cutting wire pieces to form the brackets with a selectable leg length is described below.
  • the center of the clip to be formed is indicated by line 21. Seen from this line 21, the length of the right half and the left half of the wire section must be selectively changeable.
  • a housing 25 is supported in mirror image fashion axially displaceably on a housing 33 via bearings 23.
  • the housing 22 or the housing 25 is thus axially fixed with respect to the housing 5 or the housing 33.
  • the linkages 27 and 28 of an adjusting device shown in FIG. 4 connect the housings 22 and 25 to the eccentrics 29, 30.
  • the rods 27 and 28 lead to eccentrics 29 and 30 offset by 180 °, which are arranged on a spindle 31.
  • the spindle 31 can be rotated by means of a hand crank 32 (FIGS. 1 and 5).
  • a hand crank 32 FIGS. 1 and 5
  • staples with three legs of different lengths should be able to be produced. This is possible by rotating the eccentrics 29 and 30 in three defined positions and a corresponding determination of three transport speeds for the transport roller 2.
  • the eccentricity of the eccentrics 29 and 30 is then directly proportional to the variable wire length.
  • three switching positions are fixed by the hand crank 32.
  • the housings 22 and 25 are moved in opposite directions to one another in the axial direction by the differently acting eccentrics 29 and 30 on the spindle 6 and can assume three defined positions analogously to the position of the hand crank 32.
  • the housings 22 and 25 are axially displaced by the hand crank 32, the housings 5 and 33 associated therewith are likewise carried axially in opposite directions via the fixed bearings 23.
  • the position of the cutting nozzle 3 relative to the cutting roller 4 thus remains unchanged and the cutting conditions, once set, remain the same.
  • the cutting roller 4 is advantageously seated on a shaft 34 which is in the housing 5 or in the second cutting and stitching device Direction in the housing 33 is easily rotatable. It is pressed against a stop 36 by a compression spring 35. This stop is set such that when the housing 5 rotates, the cutting roller 4 resiliently runs onto the cutting nozzle 3 provided with a spherical run-up surface. This creates a scissor-like cut.
  • the resilient design enables self-adjustment in the event of wear and the rotating cutting roller ensures even wear on the circumference.
  • spur gears 37, 38, 39 (FIG. 5), which are seated in the gear housing 8 on the hollow spindle 9. These spur gears 37, 38 and 39 mesh spur gears 40, 41 and 42 loosely seated on the shaft 12.
  • the different pairings of the spur gears give different ratios by means of which the speed of the wire feed is changed.
  • the respective spur gear pairs 37-40, 38-41 and 39-42 are always firmly engaged.
  • One of the spur gears 40, 41 or 42 can now be firmly connected to the shaft 12 by means of a drawing key 43 connected to a linkage 44.
  • the transport roller 2 is driven at a speed which can be determined by the selection of one of the spur gears 40 to 42 from the shaft 12 via spur gears 45 and 46, the shaft 47 mounted in the hollow spindle 9, the bevel gears 48 and 49, the spur gears 50, 51 , 52, 53 and the bevel gears 54 and 55 to the transport roller 2, which in turn is firmly connected to the spur gear 56 and thus drives the spring-loaded transport roller 65 via a corresponding spur gear.
  • a spindle 57 which is mounted in the hollow spindle 6, transmits the drive to the left side of the stapling device to the second pair of transport rollers.
  • the linkage 44 is moved by a pinion shaft 58, which in turn is connected to the spindle 31 via spur gears 59, 60 and 61.
  • the housings 5 and 25 can be axially displaced on the hollow spindle 6, whereby the desired distance on the right side of the center line 21 from the latter to the cutting nozzle 3 and the cutting roller 4 can be adjusted, and on the other hand the corresponding selection of the spur gear pairs on the hollow spindle 9 and the drive shaft 12 so that the wire feed takes place at a speed which fixes the wire length on the left of the reference line 21 to a dimension which is identical to the wire length on the right of the center line 21.
  • the hollow spindle 9 can be switched via the spur gears 10 and 11 or 13 and 14 in the sense of collecting-non-collecting, the wire feed also takes place depending on the operating mode collecting or non-collecting. As stated at the beginning, this is a further essential advantage which additionally increases the security of the stapling device.
  • the spur gear 53 is widened compared to the other spur gears.
  • the longitudinal displaceability of the housings 22 and 25 is made possible in the case of fixed tooth engagement and, on the other hand, the shaft 62 is thereby displaceable in the longitudinal direction.
  • the removal of the transport roller is thus facilitated in that, after a cover 63 has been removed, the bevel gear 54 which is firmly seated on the shaft 62 is pressed in the axial direction against the force of the spring 64.
  • the bevel gear 55 is thus free and can be easily removed together with the transport roller 2 for replacement.
  • FIG. 4 shows the mounting of the second transport roller 65, which is mounted on the bolt 66, which in turn is carried by the housing 22 in a longitudinally displaceable manner and presses the transport roller 65 against the transport roller 2 by means of the spring 67.
  • This will transport the stitching wire.
  • the wedge lock 69 of the pin 66 is released by actuating a lifting magnet 68.
  • the spring 67 can now relax and the transport roller 65 is no longer pressed against the transport roller 2.
  • the wire transport is interrupted.
  • the spring 67 is tensioned again and the wedge lock engages, as a result of which the wire transport is resumed.
  • the stitching wire When cutting, which is done here at a relatively low cutting speed, the stitching wire cannot penetrate forward during the engagement of the cutting roller. However, it is continuously advanced by the transport rollers 62 and 65 and must be able to evade. As FIG. 4 shows, an arcuate recess 71 is therefore provided in the housing 22, which is only slightly deeper than the stitching wire thickness. This forces the wire to dodge in only one plane, which is mandatory due to the recess.
  • the recess is dimensioned so that on the one hand the buckling is supported by the cutting pressure of the cutting roller, i.e. the cutting pressure supports the bulge, on the other hand the wire does not get any permanent deformation and can relax elastically after removing the cutting roller. In the event of faults, the recess 71 is accessible via a flap 72.
  • the stitching wire is pushed between the rigid tongue 73 forming a wire holder and the resilient tongue 74 before cutting.
  • the carrier 76 connects the gear housings 8 and 26 to form a unit which is fastened to the walls 77 and 78 of the folding device (FIG. 1) and is easily replaceable.
  • the cut piece of wire is taken over by a gripper consisting of a rigid tongue 79 and a resilient tongue 80, wherein it is pulled out of the tongues 73 and 74 and clamped between the tongues 79 and 80.
  • These tongues sit on a holder 81 which is clamped on the hollow spindle 6 and thus rotates with the hollow spindle 6.
  • the clamping allows an adjustment in the circumferential direction in order to ensure the cyclical transmission to the stapling elements.
  • the cutting roller 4 is located shortly before the gripper consisting of the rigid tongue 79 and the resilient tongue 80, since the Cut wire first. the position of the cutting roller 4 can be adjusted in the circumferential direction by means of a clamp connection 82 (FIG. 1).
  • the cutting and transfer device can thus be optimally coordinated with the stapling device.
  • FIG. 2 shows the device for staple formation and for inserting the staple into the paper web.
  • the right-hand image shows the take-over device of the gripper 79, 80 ready for taking over the piece of wire at a take-over point of the stapling cylinder 136 Stapling cylinder.
  • It consists of an "open four-bar linkage", the suspension points of which are the control spindle 83 and the eccentric bolt 84.
  • Levers 85 and 86 carry, via bolts 87 and 88, a tongue 89 acting as a male part, which is arranged such that it can be rotated easily via bolts 90 on bolts 87 and 88.
  • the levers 85 and 86 enclose the tongue 89 in a fork shape.
  • a cam roller 92 scanning a control cam 91 controls the spindle 83.
  • the control movement is transmitted from the cam roller 92, via the roller lever 93, the control spindle 94 and the tappet levers 95 and 96 with tappet 97 (FIGS. 5 and 1).
  • the storage of the levers 85 and 86 at different points and their different lengths result in an extremely advantageous pivoting movement of the tongue 89 serving as a male part.
  • the plate 98 acting as a male part is seated on small pistons 99 and 100 (FIG. 3) which are in guides 101 and 102 run, which in turn are attached to spring sleeves 103 and 104. Compression springs 105 support the pistons 99 and 100. As can be seen most clearly from FIG.
  • the tongue 89 together with the plate 98 takes over in a circular path the piece of wire previously cut to a desired length by the gripper 79, 80, whereby the gripper with its tongues 79 and 80 rotates in opposite directions at a lower peripheral speed than the plate 98 and the tongue 89.
  • the tongue 89 and the plate 98 are in the rest position during the takeover process. The take-over of the wire piece thus only takes place as a result of the greater peripheral speed of the tongues 89 and the plate 98, the wire piece being pulled out of the tongues 79 and 80 of the gripper.
  • the tongue 89 acting as a patrix leads to a rapid downward movement due to the shape of the control cam 91, i.e. into the interior of the cylinder, with the tongue 89 pulling the piece of wire between the legs of the plate 98 which serves as a matrix and is still in the rest position.
  • the springs 105 form the abutment.
  • the plate 98 is provided with grooves 106, which serve as leg guides during the staple formation. The plate 98 remains at rest until the temporary end of the rapid downward movement of the tongue 89, while the tongue 89 swivels slightly and pulls the wire into the grooves 106 of the plate 98 with its lower slope.
  • the bracketing is now complete.
  • the middle picture in FIG. 6 represents this point in time.
  • the back of the clamp comes to rest on the bridge 107, which has a corresponding groove.
  • the staple now formed With the guides enclosing it on all sides, approaches on the inside through the tongue 89 and on the outside through the plate 98, the paper web 112, on a counter cylinder 108 (FIG. 2) is preferably designed as a collecting cylinder.
  • the downward movement of the tongue 89 has been greatly reduced.
  • it takes the plate 98 into the interior of the stitching cylinder 136.
  • the stops for driving form the rollers 109, which sit on the elongated pin 87.
  • the rollers 109 approach the stops 110 on the pistons 99 and 100 and take them with them as gently as possible and, by rolling, compensate for the relative movement between the circular path of the pin 87 and the straight path of the pistons 99 and 100.
  • the stops on the tongue 89 extend over the greatest possible rotation angle of the stapling cylinder 136, starting from the rapid downward movement immediately after the wire piece has been taken over until it hits the paper web 112 (FIG. 6).
  • the rollers 109 for damping are preferably made of an elastic, but high-strength, tough plastic.
  • the wire feed is offset by 180 ° from the puncture points, as shown in FIG. 2.
  • FIG. 6 shows the course of the insertion into the paper web 112.
  • the tongue 89 and the plate 98 now move downwards uniformly, i.e. into the inside of the stapling cylinder 136.
  • the clamp legs 111 are supported on the inside by the tongues 89 and on the outside by the plate 98 in the form of a male-female guide. This support or guidance is available until just before the puncture end point. It effectively prevents the legs from buckling during the piercing process.
  • the tongue 89 swings backwards in order finally to completely release the staple, which rests with its back on the bridge 107 and through the opposite rotational movement of the stapling cylinder 136 and the collecting cylinder 108 without the bridge itself moving into the Paper web 112 is pressed.
  • the bracket is e.g. closed with the help of a so-called oat grain closer 113 in the collecting cylinder 108 (FIG. 2).
  • the downward movement of the tongue 89 and the plate 98 is completed. This is shown in Fig. 6 in the left picture.
  • the stapling device is only adapted to different paper thicknesses by adjusting the bridge 107 in the longitudinal direction of the staple legs, i.e. by raising or lowering the center of the stapling cylinder 136 is not changed.
  • the bridge 107 is connected to a carrier 114, which preferably carries two bridges 107 for the two stapling members used, as shown in FIG. 1.
  • the carrier 114 sits on an inclined plane 115 of a holder 116.
  • the holder 116 again preferably has two inclined planes 115, which are offset by 180 ° to one another, so that the carrier 114 needed for the second stapling members which are arranged offset to the two stapling members shown in FIG. 1 by 180 ° on the stapling cylinder 136, can also be moved.
  • the holder 116 with the inclined plane 115 is moved back and forth via a linkage 117 which is arranged in the cylinder axis 7 with the aid of an adjusting device (FIG. 1).
  • the axial bearing 118 at the same time permits a rotary movement of the stapling cylinder 136 if the control movement is initiated by a handwheel 119, which can also be automated by means of an electric motor, via the threaded bushing 121 which is supported radially in the housing 120 but is axially movable. It is therefore possible to correct the adjustment 136 while the stapling cylinder is running.
  • the carrier 114 is supported laterally by the guides 101 and 102 (FIG. 2), while the spring 123 (FIG. 1), which is held by the bolt 124, presses the carrier 114 onto the inclined plane 115 and thus against it keeps the centrifugal force. With higher centrifugal forces, for example, a T-groove-shaped encirclement of carrier 114 and inclined plane 115 is also conceivable.
  • the lower suspension point of the four-bar linkage is mounted in the carrier 114 as an eccentric bolt 84. It therefore takes part in the upward and downward movement when adjusting the carrier 114. As a result, the deflection of the tongue 89 is changed such that it is adapted to the position of the bridge 107, which is also changed, and that, in addition, an optimal guidance of the staple legs in the region of the insertion is adapted to the adjustment.
  • the eccentric bolt 84 allows the tongue to be adjusted to a certain extent.
  • the receiving point for the piece of wire is not changed since the lever 85 and the plate 98 remain at rest.
  • the pivoting of the tongue 89 is minimal, since the lower suspension point 84 of the four-bar linkage hardly results in a deflection of the lower suspension point of the tongue 89 during an up and down movement.
  • control cam 91 is slightly rotated after adjusting the various staple leg lengths via the hand crank 32 (FIG. 1) with the aid of the extended spindle 31 of the bevel gears 125 and the pinion shaft 126 Clamping ring 127 has been released.
  • This rotation of the control curve 91 results in a temporal adaptation of the movement of the tongue 89 to the paper web thickness, since the point of impact of the clip is shifted in the case of thin webs, i.e. the clip will hit the booklet product at a later time.
  • the tongue 89 then begins the downward movement a little later, as a result of which the length of the guide during the insertion is lengthened and thus improved. Since the control cam 91 has a radius in the area of the takeover that runs concentrically to the radius of the stitching cylinder 136, the position of the tongue 89 is not changed here.
  • the downward movement of the tongue 89 is designed immediately after taking over the piece of wire in such a way that the clip with the longest legs is completely drawn into the plate 98 designed as a die. This path is always covered, even when using brackets with shorter legs.
  • the tongue 89 and the plate 98 as a matrix with the grooves 106 are dimensioned accordingly.
  • the devices for stapling and guiding are fastened on the plate 128, which together with the bearing blocks 129 for the control spindle 83 forms an easily exchangeable cassette, which is shown here, for example, in a two-part knife cylinder, the knife bar 131 of which are used.
  • the stapling cassette is driven via the cylinder axis 7 of the knife cylinder 136 and works with the folding knife system, e.g. a collecting cylinder, together, while exchangeable cutter bars 131 are seated on sleeves 132 and 133 and are connected to the puncture system of the collecting cylinder 108 via a gearwheel 134.
  • the stapling cylinder 136 is fixedly mounted in the side walls 77 and 78.
  • the wire feed is fastened as a compact unit to a carrier 76 and is easily removable if corresponding plug connections are provided in the spindles 31 and 135 (FIG. 5).
  • the advantageous design of the fork-shaped tongue 89 in conjunction with a circular takeover movement also makes it possible Lich to achieve a low cutting speed.
  • Another advantage is that the choice of the leg length of the staple to be formed is possible through a common adjustment device in fixed, coordinated stages.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)

Claims (9)

1. Dispositif de coupe, pour une brocheuse à fil de machine à imprimer, comportant un cylindre brocheur rotatif, auquel peut être amené un tronçon de fil de brochage constituant des attaches de feuilles, le fil retenu dans un porte-fil pouvant être sectionné par un couteau rotatif qui peut être amené à dépasser une buse de coupe non rotative, à laquelle le fil est amené au moyen d'une paire de rouleaux transporteurs, caractérisé en ce que le couteau (4) est monté sur un carter rotatif (5), qui est solidaire en rotation d'une broche d'entraînement (6) coaxiale et parallèle à l'axe du cylindre brocheur, et peut coulisser axialement, conjointement avec la buse de coupe (3), grâce à un dis-positif de déplacement (32, 31, 29, 28, 27, 22, 23), relativement au milieu fixé localement du fil à couper dans chaque cas, la vitesse d'amenée du fil pouvant être modifiée par modification de l'entraînement à rouleaux transporteurs, par l'intermédiaire d'un dispositif de réglage (37 à 44) couplé au dispositif de déplacement et que la broche d'entraînement, dont la vitesse de rotation est réglable selon la position de production avec assemblage ou de production sans assemblage, vue dans le sens de rotation du couteau, est solidaire de languettes preneuses (79, 80) qui sont en retard relativement au couteau et qui, au cours du mouvement de rotation de la broche, après l'opération de coupe, saisissent le tronçon de fil de brochage qui se trouve dans le porte-fil (73, 74) et l'amènent ensuite au point de transfert du cylindre brocheur (136), où le tronçon de fil est repris par le dispositif de reprise (89, 98) du cylindre brocheur (136).
2. Dispositif de coupe selon la revendication 1, caractérisé en ce qu'un carter (22) contenant la buse de coupe (3) s'appuie par l'intermédiaire d'un palier fixe (23) sur le carter (5) de sorte qu'il peut coulisser avec celui-ci.
3. Dispositif de coupe selon la revendication 2, caractérisé en ce que, par l'intermédiaire d'une manivelle (32), on peut régler un excentrique (29) qui, par l'intermédiaire d'une tringle (27), fait coulisser le carter (5) et le carter (22) portant la buse de coupe.
4. Dispositif de coupe selon la revendication 3, caractérisé en ce que, dans le carter (22) portant la buse de coupe (3) est prévu, avant la buse de coupe (3) et entre les rouleaux transporteurs (2), un évidement arqué (71) dans lequel le fil peut se courber, dans le cas d'un transport continu du fil, pendant l'opération de coupe.
5. Dispositif de coupe selon la revendication 1, caractérisé en ce que, par l'intermédiaire de la manivelle (32) et d'une tringle (44), on peut déplacer une clavette coulissante par laquelle des roues dentées droites (40 à 42) à nombre de dents différent, montées folles sur un arbre d'entraînement (12) et qui engrènent avec des roues dentées droites (37 à 39), peuvent être accouplées individuellement à volonté à la broche d'entraînement (12), de sorte que le rouleau transporteur (2) peut être entraîné à une vitesse différente par l'intermédiaire d'un arbre (9) portant les roues droites (37 à 39).
6. Dispositif de coupe selon l'une des revendications précédentes, caractérisé en ce qu'avec le rouleau transporteur (2) coopère un deuxième rouleau transporteur (65) pouvant être mis hors d'action par un aimant de levage (68).
7. Dispositif de coupe selon l'une des revendications précédentes, caractérisé en ce que sur la broche creuse (6) est prévu symétriquement un dispositif de coupe supplémentaire (23, 33) qui est entraîné de façon analogue quant à la vitesse par une broche (57) passant dans la broche creuse (6) et que le dis- positif de coupe (23, 33) peut coulisser axialement sur la broche creuse (6) sous l'action de la manivelle (32), par l'intermédiaire d'une tringle (28) et d'un excentrique (30), en sens contraire au sens de coulissement des carters (5, 22).
8. Dispositif de coupe selon l'une des revendications précédentes, caractérisé en ce que, pour le réglage des positions de production avec/sans assemblage, sont prévues des roues dentées droites (10, 11) montées sur la broche creuse (6), entraînant les carters (5, 33) à des vitesses différentes et qui peuvent être reliées à volonté à la broche d'entraînement par des roues dentées droites (13, 14) montées folles sur la broche (12), par action sur une manivelle (18) agissant par l'intermédiaire d'une clavette coulissante (16) sur les roues dentées droites (13, 14).
9. Dispositif de coupe selon l'une des revendications précédentes, caractérisé en ce que le couteau (4) est conçu sous forme de rouleau coupeur.
EP80104179A 1979-08-13 1980-07-17 Dispositif de coupe pour une brocheuse de machine à imprimer Expired EP0023986B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2932756 1979-08-13
DE19792932756 DE2932756C2 (de) 1979-08-13 1979-08-13 Schneidvorrichtung für eine Heftvorrichtung einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP0023986A1 EP0023986A1 (fr) 1981-02-18
EP0023986B1 true EP0023986B1 (fr) 1983-08-31

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EP80104179A Expired EP0023986B1 (fr) 1979-08-13 1980-07-17 Dispositif de coupe pour une brocheuse de machine à imprimer

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DE (1) DE2932756C2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227930A1 (de) * 1992-08-22 1994-02-24 Frankenthal Ag Albert Vorrichtung zum Schneiden und Heften von mehrlagigen Druckprodukten in Falzapparaten
DE10329948B4 (de) * 2003-07-03 2005-05-25 Koenig & Bauer Ag Heftapparat mit einem wenigstens zwei Heftköpfe tragenden Heftzylinder

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068217B (de) * 1959-11-05 Maschinenfabrik Augsburg-Nürnberg A.G., Augsburg Drahtheftmaschine mit selbsttätiger Klammeibildung an Druckmaschinen
DE949475C (de) * 1953-10-01 1956-09-20 Albert Schnellpressen Drahtzufuehrungs- und Schneidvorrichtung fuer Heftapparate mit Heftschliesser im Falzwerk von Rotationsdruckmaschinen
DE1436551B2 (de) * 1963-06-19 1970-10-15 Schnellpressenfabrik Koenig & Bauer AG, 87OO Würzburg Drahtheftapparat an Rollen-Rotationsdruckmaschinen
DE1452995A1 (de) * 1963-11-08 1969-06-19 Winkler Fallert & Co Maschf Verfahren und Vorrichtung zur Heftklammerbildung an Drahtheftapparaten

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DE2932756C2 (de) 1982-03-25
DE2932756A1 (de) 1981-02-26

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