EP1138622B1 - Dispositif pour ralentir des cahiers - Google Patents

Dispositif pour ralentir des cahiers Download PDF

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Publication number
EP1138622B1
EP1138622B1 EP01103526A EP01103526A EP1138622B1 EP 1138622 B1 EP1138622 B1 EP 1138622B1 EP 01103526 A EP01103526 A EP 01103526A EP 01103526 A EP01103526 A EP 01103526A EP 1138622 B1 EP1138622 B1 EP 1138622B1
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EP
European Patent Office
Prior art keywords
nip
radius
belt
gap
rotating
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
Application number
EP01103526A
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German (de)
English (en)
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EP1138622A2 (fr
EP1138622A3 (fr
Inventor
Barry Mark Jackson
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.)
Goss International Americas LLC
Original Assignee
Heidelberger Druckmaschinen AG
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Publication of EP1138622A2 publication Critical patent/EP1138622A2/fr
Publication of EP1138622A3 publication Critical patent/EP1138622A3/fr
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Publication of EP1138622B1 publication Critical patent/EP1138622B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material

Definitions

  • the present invention relates to a device for slowing down signatures, in particular in a folder of a web-fed rotary printing press, according to the Preamble of claim 1 (see, e.g., EP-A-0 972 733).
  • the speed of conventional sword folding devices is constructional limited. Therefore, the speed of the printing press is around 55,000 copies limited per hour. There are usually two to achieve this speed Flap folder devices arranged in parallel are required, to which signatures are alternately fed become. To increase the speed to more than 55,000 copies per hour, must have a device to change the speed of the signatures from the Printing speed can be provided on the speed of the flap folder.
  • Combination folders are made using a series of successive Folding operations produce products of different sizes or formats based on same path through the folder.
  • the different types of folds are funnel fold (first fold, first longitudinal fold), flap fold (second fold, first transverse fold), Digest and delta fold (third fold, second cross fold) and second sword fold (fourth fold, second longitudinal fold).
  • the product length can be between 50% and 25% of the Section length if there is no protruding side and a little more, if a protruding page is provided.
  • the slowdown mechanism must be flexible to accommodate everyone Bring products to the same speed. If not, it would have to the folder in the section downstream of the decelerating mechanism via a variable translation, or the products of different lengths would have to be in different transport paths can be transported to the delivery.
  • No. 5,803,450 describes a device for transporting flat, flexible products (e.g. of signatures) that are running at a constant speed Infeed conveyor belt, a middle one running at a changing speed Conveyor belt and an exit conveyor belt running at a constant speed includes.
  • the middle conveyor belt slows down or accelerates the promotional product.
  • the transfer of the product from a conveyor belt to one other conveyor belt takes place if the corresponding conveyor belts are the same Running speed.
  • the middle conveyor belt is driven by a periodically switching gear.
  • This moving stop becomes synchronous in the way driven that the paper product intercepted at the highest transition speed and is moved non-linearly to the paper product at the lowest Decelerate speed before it hits the stationary stop to carry out the Folding process occurs.
  • the non-linear speed ratio becomes the Timing belt deceleration stops of 4: 1 through an arrangement of elliptical Timing belt causes.
  • the system reduces the speed of impact of the signatures on stationary stop by at least 60% of the speed with which the signatures in break in the folder.
  • devices for slowing down signatures include cylinders, which are costly to manufacture and difficult to set up.
  • US 5,803,450 and slowdown devices described in US 4,506,873 instead of cylinders used to slow down the signatures tapes.
  • Cylinders With these Devices, however, take longer to slow down than conventional ones Cylinders. They also require setup work by a machine operator as well a mechanism for phase adjustment, usually in a combination folder to be able to accommodate products of different lengths. Add to that the longer deceleration phase on the powertrain and the signature acts stronger forces, which can cause the tapes to slip.
  • the opposite, non-circular, rotating components of the Inlet gap comprise a pair of opposing cylinders, each one first peripheral portion with a to form a gap between the each other opposite cylinders suitable first radius and a second Circumferential section with at least one smaller than the first radius, for Formation of a space between the cylinders suitable second radius and that the opposite, non-circular, rotating Components of the exit gap comprise a pair of opposing cylinders, which each have a first circumferential section with a to form a tensile gap between the opposing cylinders suitable first radius and a second Circumferential section with at least one smaller than the first radius, for Formation of a space between the cylinders suitable second radius exhibit.
  • the cylinders of the inlet gap are preferably around from the cylinders of the outlet gap not more than a quarter of the section length of a signature in tabloid format spaced so that in the device signatures in delta format, in tabloid format and can be edited in digest format.
  • first and second splitting mechanisms preferably have the same Speed profile.
  • Each of the cylinders may further comprise a plurality of axially spaced disks.
  • the Inlet gap mechanism an inlet gap cylinder and the outlet gap mechanism comprise an exit gap cylinder, each cylinder having a first Circumferential section with a first radius and a second circumferential section with comprises at least a second radius, the at least one second radius is smaller than the first radius.
  • the first peripheral section is preferred with respect to the axis of rotation of the cylinder in the form of an arc and the second Circumferential section preferably with respect to the axis of rotation of the cylinder in the form of a Elliptical arch.
  • Form in the form of an arc means in this Context that every point on the peripheral portion of the cylinder in the same Distance to the axis of rotation is arranged while “in the form of an elliptical arc "means that the distance of the points on the peripheral portion of the Cylinder varies with respect to the axis of rotation of the cylinder, so that there is an elliptical shape with respect to the axis of rotation.
  • certain Circumferential sections are formed in the shape of any arc, which means that the distance of the points on the peripheral portion of the cylinder with respect to the axis of rotation of the cylinder can vary in any way. It is preferably a continuous variation of the distance of the points with respect to the axis of rotation is selected.
  • the inlet gap can have an inlet gap cylinder and at least one belt leading first rotating element and the inlet gap cylinder include a first Circumferential section with a first radius and a second circumferential section with comprise at least a second radius.
  • the at least one band carrying first rotating element having a first peripheral portion a pitch circle radius corresponding to the first radius and a second Circumferential section with at least one corresponding to the at least one radius has second pitch circle radius, the first radius to form a tensile gap between the inlet gap cylinder and the at least one band is suitable and the at least a second radius to form a gap between the Inlet gap cylinder and the rotating first element guiding at least one band suitable is.
  • the opposite, non-circular, rotating Components of the exit gap can be one exit gap cylinder and one at least comprise a belt-guiding second rotating element, the outlet gap cylinder preferably a first peripheral section with the first radius and one comprises a second circumferential section with the at least one second radius.
  • the at least one belt-guiding second rotating element preferably comprises one first circumferential section with a pitch circle radius corresponding to the first radius and a second peripheral section with at least one of the at least one smaller than the first radius formed second radius corresponding to the second pitch circle radius.
  • the inlet gap cylinder is preferably no more than one from the outlet gap cylinder Quarter section length of a signature in tabloid format arranged so that in the slowdown device signatures in delta format, tabloid format and Digest format can be edited.
  • the inlet gap cylinder and the outlet gap cylinder preferably have the same speed profile and the same phase position with respect to a fixed point, e.g. B. the floor.
  • the inlet gap cylinder and the outlet gap cylinder further preferably comprise each have a plurality of axially spaced disks.
  • the rotating, tape-guiding element also preferably comprise a corresponding plurality of spaced elements, and the band preferably includes one as well corresponding plurality of axially spaced tapes.
  • the inlet gap and Exit gap cylinder of the second embodiment by a second pair of rotating, band-leading elements replaced.
  • the Slowdown device can use signatures in delta format, tabloid format and can be edited in digest format without changing the distance between the rotating ones Elements is a quarter of a section length.
  • An inventive device for slowing down signatures by a High speed belt assembly to a downstream, lower one Speed-running belt arrangement to be passed includes one Double-slit arrangement that has a variable speed profile shown in FIG having.
  • the three double-gap slowdown devices are 1) a gap-to-gap slowing device 100 as shown in Fig. 1, 2) around a gap-to-band slowing device 100 ', as shown in Fig. 2, and 3) around a band-to-band decelerator 100 "as shown in Figures 8a-h.
  • the Length of the signatures transported Settings changes by a Machine operator required.
  • signatures do not require any changes to the settings.
  • a Slowdown device in which products of any length from Tabloid format over the delta format up to the digest format can be slowed down can be changed without changing the phase setting or other settings have to.
  • all products are the same route from the Folding cylinders led to the quarter folder.
  • FIG. 1 shows a gap-to-gap deceleration device 100 according to a first Embodiment of the invention comprising one of two groups of axially spaced to Axes 4.1 and 4.2 rotating brake discs 4 formed inlet gap 40 and one of two groups of axially spaced brake disks rotating about axes 5.1 and 5.2 5 formed outlet gap 50 comprises.
  • the disks 4 are not of the disks 5 more than a quarter of a section away, d. H. the distance between the axes 4.1 and 5.1 (as well as between axes 4.2 and 5.2) is selected so that a Quarter turn of the disks 4 a predetermined section of a signature from Inlet gap 40 transported to the outlet gap 50.
  • the disks 4 and 5 have the same Rotation frequency.
  • the brake discs 5, 6 have a "bell-shaped" profile, i. H. the one half of the circumference the disc has a larger radius than the other circumferential half, the second Forms surface section that can be shaped as desired. Accordingly, the column 40 arises and 50 when the opposite large radius sections meet.
  • FIG. 2 shows how the signatures 1, 2 and.
  • the gap-to-gap device 100 3 be slowed down, each of the signatures having a different length and the signatures are aligned at their rear edge.
  • FIG. 3 shows how in device 100 the Signatures 1, 2 and 3 are slowed down, with each of the signatures having a different length and the signatures are aligned with the front edge.
  • Fig. 4 shows how the device 100, the signatures 1, 2 and 3 are slowed down, the position of the Flap fold to the gripper varies. 2 to 4, the signature 1 corresponds to one Signature in tabloid format, signature 2 of a signature in delta format and the Signature 3 of a signature in digest format.
  • Fig. 5 shows the speed profile of the disks 4 and 5, with both simultaneously Brake discs 4 and 5 are rotated.
  • the Disks 4, 5 in phase and at the same speed.
  • the speed profile can be generated by any mechanism and can be any deceleration / acceleration profile that has a ratio of 1: 1 between the rotation frequency and the section length of a signature in tabloid format guaranteed. If the discs 4 (or 5) as circular discs with a Radius of section with larger radius of bell-shaped disks 4 (or 5) corresponding radius would be a signature in tabloid format during one revolution of the disk 4 (or 5) through the gap 40 (or 50) transported.
  • An advantage of extending the slowdown phase with larger ones Discs and a gradual slowdown profile is that the on the System forces are significantly reduced.
  • a signature 1 runs at a speed corresponding to the speed of the printing press Initial speed in the first gap.
  • the slowdown value is in the range selectable from 0.1% and 50%.
  • the speed of the signatures is at 50% Slow down to about 27.5 km / h (1,500 feet per minute) when the signature is reduced leaves the gap 50.
  • the speed profile of the disks 4, 5 shown in FIG. 5 comprises Acceleration phases 55 and deceleration phases 56.
  • the rotation of the disks 4, 5 is matched in such a way that a signature during the slowdown of the opposite sections with larger radius of the disks 4 and 5 in the resulting gap 40, 50 is detected.
  • the brake discs be accelerated again so their speed is the speed of the next corresponds to the incoming signature, there is a space between for this period the opposing disks so that the acceleration of the disks 4, 5 does not affect the speed of the signature.
  • a distance between the two columns 40, 50 a quarter of the section length of a product in Digest format, the smallest of the signature formats, is selected.
  • the discs 4 can if necessary be axially offset with respect to the discs 5, so that the column can be arranged closer together.
  • the phase position of the disks 4, 5 must be relative of the signatures only for the longest of the signatures (here for the signature in tabloid format) can be set. As soon as the phase position for signatures in tabloid format is set, no further setting changes are necessary for other signature formats. Based 2, 3 and 4 it is clear that the device 100 functions independently of whether the signatures on the leading edge, the trailing edge or in the position of the fold break are aligned.
  • Fig. 7 is a gap-to-band slowing device 100 'according to a second one Embodiment of the present invention shown using similar components with similar reference numerals as in Fig. 1 are designated.
  • An advantage of this Device versus slit-to-slit slowing device 100 is that no settings are made for products of different thickness have to. As with device 100, there are none in device 100 ' Phase settings for products of different formats and different Folding combinations necessary.
  • FIG. 7 is a side view of a gap-to-band device 100 '.
  • a group in front Disks 4 'and a group of rear disks 5' are axially offset from one another arranged so that the two disc groups, as shown in Fig. 7, closer can be arranged together and overlapping.
  • Timing belts 8 are provided, which rotate around gear wheels 9.1, 9.2, with the disks 4 'and 5' each forming a group made of timing belts and gears.
  • the one shown in Fig. 5 Speed profile also applies to the pulleys 4 'and 5' and for the toothed belt 8 and the gears 9.1, 9.2. As with device 100 described above, this can Speed profile can be generated by any mechanism. Only one The prerequisite is that the ratio between the rotation frequency and the Section length is 1: 1.
  • the disk groups 4 'and 5' are no further than one in the signature transport direction Quarter of the section length apart.
  • the gears 9.1, 9.2 are outside of the rotation range of the upper disks 4 'and 5' arranged such that the Toothed belt 8 partially wraps around the two disks 4 'and 5', while between the Sprockets 9.1, 9.2 and the two disks 4 ', 5' a distance is provided.
  • the Pitch circle diameter of the gears 9.1, 9.2 essentially corresponds to the diameter the upper disks 4 ', 5'.
  • a signature 40 runs in between the disks 4 ', 5' and the toothed belt 8 formed a gap. Through the S-shaped, looping leadership of the Toothed belt 8 against the disks 4 ', 5' creates a flexible gap, so that for signatures different thicknesses, no adjustment work is necessary.
  • Another advantage of the device 100 ' is that the upper disks 4', 5 ' can be formed with a smaller diameter through the use of toothed belts 8, allowing slower deceleration than the gap-to-gap device 100th
  • the upper disks 4 ', 5' are preferably made to be lightweight To keep inertia as low as possible.
  • the disks 4 ', 5' preferably made of aluminum, and the rear half of each disc is in Essentially elliptical. Similar to the smaller diameter sections of the Disks 4, 5 create the elliptical sections of the disks 4 ', 5' sufficiently Gap to move a signature to a position without being affected by accelerating the pulleys 4 ', 5' and the belt 8.
  • the elliptical section reduces or eliminates the occurrence of the Timing belt impulses acting on a less continuous surface such as B. would arise in the bell-shaped disks 4, 5.
  • the discs 4, 5 of the Device 100 shown in FIG. 1 can of course also through the disks 4 ', 5 'to be replaced.
  • Control over the signatures entering the gap-to-band device 100 ' is by means of a guide roller 90 with associated belts or belts 91, 92 guaranteed.
  • the belt 92 rotates freely about the axis 4.2 '.
  • the guide roll 90 is related the gap between the discs 5 'and the belt 8 positioned so that the Leading edge of the signature in the open space between the band 91 and the Gap is moved.
  • the signature 40 in the high-speed belts 91.
  • a light one Difference in speed between the belts 91 and the gap can by a The signature 40 bulges on the intermediate space between the guide roller 90 and the nip be compensated.
  • the control over the signatures emerging from the device 100 ' is carried out by means of a Guide roller 6 with associated belts 81, 82 guaranteed.
  • the belt 82 rotates freely the axis 5.2 '.
  • the guide roller 6 is positioned such that it the front edge of the Signature 40 captured when about 20 mm of signature 40 from brake disc 4 ' are recorded.
  • the guide roller 6 is on a linearly movable carriage or a (not ) eccentric attached, so that their position on products of different lengths can be customized. Preferred embodiments for this Positioning mechanisms are explained in more detail below.
  • the gap-to-gap slowing device 100 can be used to control incoming and outgoing signatures similar procedures are used.
  • FIGS 8a-h show a third embodiment of the present invention with a band-to-band slowdown device 100 ", with a complete in eight positions Transport cycle for products of different lengths through the device 100 " is shown.
  • the band-to-band slowdown device 100 " is constructed similarly like the gap-to-band device 100 ', only the elliptical discs 4', 5 'were cut arranged in a line, toothed belt 81 leading elliptical gears 4 ", 5" replaced. Similar to the disks 4 ', 5', the elliptical section of the gear wheels 4 " and 5 "enough space so that the signature is unaffected by the Acceleration of the belts 8, 81 can be brought into position.
  • Timing belts 81 and gears 4 ", 5" have the same pitch circle diameter as the lower gears 9.1, 9.2 and the timing belt 8. In this way the signature when slowing down captured between a number of timing belts so that they can advantageously during of slowing down. In this embodiment there is also none Need to maintain a quarter section spacing since the signatures between bands 8 and 81 remain recorded. The distance between the Gears 4 "and 5" can therefore be more than a quarter of the section length of the signatures be. In this embodiment, the gear wheel 4 ′′ can be moved so that the belts 81 can be moved to a different position to break a signature into the Device 100 "without speed difference. As in Fig.
  • the guide roller 6 'depending on the format of the signature between two Positions movable, the guide roller 6 'in position 6.1 for signatures in digest format and in position 6.2 is suitable for signatures in tabloid and delta format.
  • the guide roller 90 detects products that are on its rear edge are aligned, the last 20 mm of a trailing edge of a signature in digest, delta or tabloid format.
  • FIG. 9a and 10 show a top view and side view of a drive for the upper one Gap.
  • Figures 9b, 9c and 9d are perspective views of that shown in Figure 9a Drive.
  • the gear train for the lower gear is similar to the upper gear train formed, however, the elliptical anti-gears and the elliptical driven gears are arranged in reverse order.
  • the Devices 100, 100 'and 100 can use the same type of drive mechanism become. As shown in Fig.
  • the brake disks 4, 5 are to minimize the inertial forces directly with the Drive train 910 connected.
  • Both the first elliptical gear pair 700, 800 and the second elliptical gear pair 109, 110 are connected to a torsion spring 120.
  • the torsion spring 120 is on a gear axis 130 of the second elliptical gear 110 attached and wound on the element 140.
  • the torsion spring 120 acts both gear pairs with a preload.
  • the described idler gear arrangement prevents the meshing of the elliptical gear pairs during load reversal is interrupted.
  • Each of the brake disc or gear groups is preferably from a respective gear mechanism driven to overload the elliptical Avoid gear pairs.
  • Figure 10 is a side view of an upper and a lower gap-to-belt decelerator 100 'with the associated drive mechanisms.
  • the Disks 4 ', 5' and the toothed wheels 9.1, 9.2 of the toothed belt each require different pitch circle diameters for different section lengths. This Changing the pitch circle diameter requires repositioning the drive.
  • the two outer gears 510 and 516 can be moved laterally, so that a change in height between the upper and lower gear rows for the Disks 4 ', 5' and the gears 9.1, 9.2 is made possible.
  • the lower one Slowdown device is driven via gear 507 '.
  • the upper Slowdown device is driven via gear 513.
  • An engine 1800 drives gears 507 ', 513 through a series of gears 502-506. Through the Position of the main drive gear 502 between the upper and lower Slowing down the forces caused by inertia on Drive input minimized.
  • Fig. 10 it is shown how a continuous product stream of of the deflection device 190 is deflected in such a way that the products alternate to the lower and upper decelerators 100, 100 '.
  • the transport of the products in the upper deceleration device proceeds accordingly 180 ° out of phase for transporting the products in the lower one Slowdown device so that the forces caused by inertia cancel each other out.
  • FIG. 11 shows a mechanism for transferring a signature from the Decelerator 100 "to those running at low speed Exit belts 93, 94.
  • the conveyor belt 200 includes a Pair of elliptically shaped, movable drive gears 210.
  • Fig. 11 shows the Mechanism at a time when signature 40 is slowing down has just ended.
  • the shortest product in digest format
  • All other products in delta format and in tabloid format
  • the bands become 200 raised so that they contact the exit guide roller 6.
  • the gears 210 (and the movable belts 200) are at the same frequency as the gear wheels 9.1, 9.2, 4 “, 5 “of device 100” driven. However, the movable belt is turned by 180 ° out of phase with the device 100 ".
  • the signatures are not thereby detected by the device 100 "when it is between the guide roller 6 and the belts 200 are detected, and on the other hand not between the guide roller 6 and the belts 200 if they are detected by the device 100 ′′ movable belts 200 the speed of the signature during the Does not affect the slowdown process, on the other hand, device 100 "can Signatures speed does not affect if this controls the device through the belts 200 and the guide roller 6.
  • FIGS. 12a and 12b show a further device for transferring a signature from the Decelerator 100 "to the belts running at low speed 93, 94.
  • FIG. 12a shows a top view
  • FIG. 12b shows a side view of a Transfer mechanism 300.
  • Fig. 12a it is shown how the exit guide roller 6 on a Eccentric 220 is pivotable.
  • the eccentric 220 is designed in such a way that the Guide roller 6 can assume three predetermined positions. This is about a Reduction ratio of 2: 1 over gears 230, 240 achieved with a Three position air cylinder 250 and a connector 260 are connected.
  • the upper conveyor belts 93 which run around the guide roller 6 at low speed, are brought into a different position when the guide roller 6 moves.
  • the three positions of the guide roller 6 are the front position 6.3 (for signatures in the Digest format), the upper position 6.1 (for signatures in tabloid format) and the rear Position 6.2 (for signatures in delta format).
  • the rear guide roller 7 and (not shown) assigned tapes are stationary and positioned in such a way that they have a signature in the Capture the tabloid format approximately 20 mm behind its front edge (while the tape 93 is lifted from the signature by the guide roller 6). This property enables one Automation of the exit guide roller 6.
  • the double slit slowdown devices 100, 100 ', 100 "according to the invention in one arranged upstream of the deflection mechanism, which is the number of parts reduced per folder.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Credit Cards Or The Like (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Claims (23)

  1. Dispositif pour ralentir des cahiers (1, 2, 3) avec une fente d'entrée (40) pour la prise en charge d'un cahier (1, 2, 3) sur un dispositif placé en amont avec une première vitesse de transport et pour ralentir la vitesse de transport du cahier (1, 2, 3) jusqu'à une première vitesse de transport réduite, la fente d'entrée (40) comprenant des surfaces en contact avec le cahier (1, 2, 3), qui sont formées par une paire de composants (4, 4') se faisant face, non circulaires et rotatifs, qui comprennent une première partie de surface formant une fente de traction (40) entre les composants (4, 4') et une seconde partie de surface formant un interstice entre les composants (4, 4' ) et qui peuvent tourner avec un profil de vitesses variable, qui prévoit un ralentissement en cas de formation de la fente de traction (40) et une accélération des composants (4, 4') en cas de formation de l'interstice, et avec une fente de sortie (50) pour la prise en charge du cahier (1, 2, 3) sur la fente d'entrée (40) et pour le ralentissement ultérieur de la vitesse de transport du cahier jusqu'à une deuxième vitesse de transport réduite, la fente de sortie (50) comprenant des surfaces en contact avec le cahier (1, 2, 3), caractérisé en ce que ces surfaces sont formées par une paire de composants (5, 5') se faisant face, non circulaires et rotatifs, qui comprennent respectivement une première partie de surface formant une fente de traction (50) entre les composants (5, 5') et une seconde partie de surface formant un espace intermédiaire entre les composants (5, 5') et qui peuvent tourner avec un profil de vitesse variable, lequel prévoit un ralentissement en cas de formation de la fente de traction (50) et une accélération des composants (4, 4') en cas de formation de l'espace intermédiaire.
  2. Dispositif selon la revendication 1, caractérisé en ce que les composants (4, 4') se faisant face, non circulaires et rotatifs, de la fente d'entrée comprennent une paire de cylindres se faisant face, qui présentent respectivement une première partie périphérique avec un premier rayon approprié pour la formation d'une fente de traction (40) entre les cylindres se faisant face et une seconde partie périphérique avec au moins un second rayon conçu plus petit que le premier rayon et approprié pour former un espace intermédiaire entre les cylindres, et en ce que les composants (5, 5'), se faisant face, non circulaires et rotatifs, de la fente de sortie (50) comprennent une paire de cylindres se faisant face, qui présente respectivement une première partie périphérique avec un premier rayon approprié pour la formation d'une fente de traction (50) entre les cylindres se faisant face et une seconde partie périphérique avec au moins un second rayon conçu plus petit que le premier rayon et approprié pour la formation d'un espace intermédiaire entre les cylindres.
  3. Dispositif selon la revendication 2, caractérisé en ce que la première partie périphérique est conçue sous la forme d'un arc de cercle et la seconde partie périphérique est conçue sous la forme d'un arc d'ellipse.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce qu'au moins l'un des cylindres (4, 4') de la fente d'entrée (40) et au moins l'un des cylindres (5, 5') de la fente de sortie (50) comprennent une pluralité de disques disposés à distance sur un plan axial.
  5. Dispositif selon l'une quelconque des revendications 2 à 4, caractérisé en ce que la distance entre la paire de cylindres (4, 4') se faisant face de la fente d'entrée (40) et la paire de cylindres (5,5') se faisant face de la fente de sortie (50) représente un quart de la longueur de partie d'un cahier dans le format de tabloïde.
  6. Dispositif selon l'une quelconque des revendications 2 à 4, caractérisé en ce que l'espacement entre la paire de cylindres (4,4') se faisant face de la fente d'entrée (40) et la paire de cylindres (5,5') se faisant face de la fente de sortie (50) représente moins d'un quart de la longueur de partie d'un cahier dans le format de tabloïde.
  7. Dispositif selon la revendication 1, caractérisé en ce que les composants (4', 9.2) se faisant face, non circulaires et rotatifs de la fente d'entrée (40) comprennent un cylindre à fente d'entrée (4') et un premier élément (9.2) rotatif guidant au moins une bande (8), en ce que le cylindre à fente d'entrée (4') comprend une première partie périphérique avec un premier rayon et une seconde partie périphérique avec au moins un second rayon, en ce que le premier élément (9.2) rotatif guidant au moins une bande (8) présente une première partie périphérique avec un rayon de cercle partiel correspondant au premier rayon et une seconde partie périphérique avec au moins un second rayon de cercle partiel correspondant au moins un rayon, le premier rayon étant approprié pour former une fente de traction entre le cylindre à fente d'entrée (4') et la au moins une bande (8) et le au moins un second rayon est approprié pour former un espace intermédiaire entre le cylindre à fente d'entrée (4') et le premier élément rotatif guidant au moins une bande (8), en ce que les composants se faisant face, non circulaires et rotatifs de la fente d'entrée (50) comprennent un cylindre à fente de sortie (5') et un second élément (9.1) rotatif guidant au moins une bande (8), en ce que le cylindre à fente de sortie (5') comprend une première partie périphérique avec le premier rayon et une seconde partie périphérique avec le au moins un second rayon, en ce que le second élément (9.1) rotatif guidant au moins une bande (8) présente une première partie périphérique avec un rayon de cercle partiel correspondant au premier rayon et une première partie périphérique avec au moins un second rayon de cercle partiel correspondant au moins à un second rayon conçu plus petit que le premier rayon.
  8. Dispositif selon la revendication 7, caractérisé en ce que la distance entre le cylindre à fente d'entrée (4') et le cylindre à fente de sortie (5') représente un quart de la longueur de partie d'un cahier dans le format de tabloïde.
  9. Dispositif selon la revendication 7, caractérisé en ce que l'espacement entre le cylindre à fente d'entrée (4') et le cylindre à fente de sortie (5') est inférieur à un quart de la longueur de partie d'un cahier dans le format de tabloïde.
  10. Dispositif selon l'une quelconque des revendications 7 à 9, caractérisé en ce que le cylindre à fente d' entrée (4') et le premier élément (9.2) rotatif guidant au moins une bande forment une première fente en forme de S et en ce que cylindre à fente de sortie (5') et le second élément (9.1) rotatif guidant au moins une bande forment une seconde fente en forme de S.
  11. Dispositif selon l'une quelconque des revendications 7 à 10, caractérisé en ce que la au moins une bande (8) est guidée aussi bien par le premier élément (9.2) guidant la bande et rotatif que par le second élément (9.1) rotatif et guidant la bande.
  12. Dispositif selon l'une quelconque des revendications 7 à 11, caractérisé en ce que la première partie périphérique du cylindre à fente d'entrée (4'), du cylindre à fente de sortie (5'), du premier élément (9.2) rotatif et guidant la bande et du second élément (9.1) rotatif et guidant la bande sont conçus sous la forme d'un arc de cercle et en ce que la seconde partie périphérique du cylindre à fente d'entrée (1'), du cylindre à fente de sortie (5') du premier élément (9.2) rotatif et guidant la bande et du second élément (9.1) rotatif et guidant la bande est conçue sous la forme d'un arc d'ellipse.
  13. Dispositif selon l'une quelconque des revendications 7 à 12, caractérisé en ce que le premier et le second éléments (9.1, 9.2) rotatifs et guidant la bande sont conçus comme des roues dentées.
  14. Dispositif selon l'une quelconque des revendications 7 à 12, caractérisé en ce que le premier et le second éléments (9.1, 9.2) rotatifs et guidant la bande sont conçus comme des poulies de courroie.
  15. Dispositif selon l'une quelconque des revendications 7 à 1.4, caractérisé en ce que le premier rayon du cylindre à fente d'entrée (4') correspond au premier rayon du cylindre à fente de sortie (5').
  16. Dispositif selon la revendication 1, caractérisé en ce que les composants se faisant face, non circulaires et rotatifs de la fente d'entrée (40) comprennent des premiers et des seconds éléments (4", 9.2) se faisant face, rotatifs et guidant la bande avec une première et au moins une seconde bandes (8, 81) disposées sur ces éléments, les premiers et seconds éléments (4'', 5", 9.1, 9.2) rotatifs et guidant la bande comprenant respectivement une première partie périphérique avec un premier rayon de cercle partiel et une seconde partie périphérique avec au moins un autre rayon de cercle partiel conçu plus petit que le premier rayon de cercle partiel, le premier rayon de cercle partiel étant approprié pour la formation d'une fente de traction entre le premier et le second élément (4'', 9.2) rotatif et guidant la bande, et le second rayon de cercle partiel étant approprié pour former un espace intermédiaire entre le premier et le second élément (4", 9.2) rotatif et guidant la bande et en ce que les composants se faisant face, non circulaires et rotatifs de la fente de sortie (50) comprennent des troisièmes et des quatrièmes éléments (5'', 9.1) se faisant face, rotatifs et guidant la bande, qui guident respectivement l'une des premières et secondes bandes (8, 81), le troisième et le quatrième élément (5", 9.1) rotatif et guidant la bande comprenant respectivement une première partie périphérique avec le premier rayon de cercle partiel et une seconde partie périphérique avec le au moins un second rayon de cercle partiel.
  17. Dispositif selon la revendication 16, caractérisé en ce que les premières parties périphériques des premier, second, troisième et quatrième éléments (4'' , 5'', 9.1, 9.2) rotatifs et guidant la bande sont conçus sous la forme d'un arc de cercle et en ce que les secondes parties périphériques des premier, second, troisième et quatrième éléments rotatifs et guidant la bande sont conçus sous la forme d'un arc d'ellipse.
  18. Dispositif selon la revendication 16 ou 17, caractérisé en ce que les premier, second, troisième et quatrième éléments (4'', 5", 9.1, 9.2) rotatifs et guidant la bande sont conçus comme des roues dentées.
  19. Dispositif selon la revendication 16 ou 17, caractérisé en ce que les premier, second, troisième et quatrième éléments (4" , 5", 9.1, 9.2) rotatifs et guidant la bande sont conçus comme des poulies de courroie.
  20. Dispositif selon l'une quelconque des revendications 1, 4 à 11, 13 à 16, 18 ou 19, caractérisé en ce que la première partie de surface est conçue en forme de cercle et la seconde partie de surface est de forme quelconque.
  21. Dispositif selon la revendication 15, caractérisé en ce que l'espacement entre le premier élément (9.2) guidant la bande et le second élément (9.1) guidant la bande est supérieur à un quart de la longueur de partie d'un cahier dans le format de tabloïde.
  22. Appareil de pliage, caractérisé par un dispositif selon l'une quelconque des revendications précédentes.
  23. Machine à imprimer, en particulier presse rotative à imprimer, caractérisée par un dispositif selon l'une quelconque des revendications 1 à 21 ou un appareil de pliage selon la revendication 22.
EP01103526A 2000-03-31 2001-02-16 Dispositif pour ralentir des cahiers Expired - Lifetime EP1138622B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US539578 2000-03-31
US09/539,578 US6428001B1 (en) 2000-03-31 2000-03-31 Signature slowdown apparatus

Publications (3)

Publication Number Publication Date
EP1138622A2 EP1138622A2 (fr) 2001-10-04
EP1138622A3 EP1138622A3 (fr) 2003-10-01
EP1138622B1 true EP1138622B1 (fr) 2004-08-04

Family

ID=24151826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01103526A Expired - Lifetime EP1138622B1 (fr) 2000-03-31 2001-02-16 Dispositif pour ralentir des cahiers

Country Status (5)

Country Link
US (1) US6428001B1 (fr)
EP (1) EP1138622B1 (fr)
JP (1) JP4593818B2 (fr)
AT (1) ATE272558T1 (fr)
DE (2) DE10107275A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6863273B2 (en) * 2002-02-12 2005-03-08 Bowe Bell & Howell Company Document handling apparatus with dynamic infeed mechanism and related method
US7121994B2 (en) * 2003-09-30 2006-10-17 Fpna Acquisition Corporation Assembly for and method of adjusting the phasing of folding rolls to create a fold in sheets of material
DE102004002904A1 (de) * 2004-01-20 2005-08-18 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Bearbeiten von Blattgut
DE102004026138B3 (de) * 2004-05-28 2005-11-17 Koenig & Bauer Ag Vorrichtung zur Geschwindigkeitsänderung laufender Druckerzeugnisse
JP2006124175A (ja) * 2004-10-14 2006-05-18 Graphic Management Associates Inc 加速装置及び減速装置を備えた製品フィーダ
JP2009137703A (ja) * 2007-12-06 2009-06-25 Komori Corp 折丁の搬送装置
FR2930769B1 (fr) * 2008-04-30 2012-11-16 Goss Int Montataire Sa Dispositif de transport d'une feuille, dispositif de couple, presse d'impression et utilisation correspondants
US8602957B2 (en) * 2008-10-16 2013-12-10 Goss International Americas, Inc. Incremental velocity changing apparatus for transporting printed products in a printing press folder
DE102008058337A1 (de) * 2008-11-20 2010-05-27 Rotodecor Gmbh Maschinen- Und Anlagenbau Bremsvorrichtung für das Abbremsen und Ablegen flächenhaft sich erstreckender Zuschnitte
US8292296B2 (en) * 2009-10-30 2012-10-23 Goss International Americas, Inc. Apparatus for varying the speed of printed products having an external eccentric assembly and method
WO2011130405A1 (fr) * 2010-04-13 2011-10-20 J&L Group International Llc Appareil et procédé de décélération de feuille
WO2013020031A1 (fr) 2011-08-04 2013-02-07 J&L Group International, Llc. Appareil et procédé d'empilement de matériau en feuille ondulée
DE102012025609B4 (de) 2012-07-30 2020-04-16 Koenig & Bauer Ag Weiterverarbeitungs- und/oder Auslageabschnitt einer Druckmaschine zur Aufteilung eines Produktstromes einer Druckmaschine

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US2084783A (en) * 1936-04-03 1937-06-22 American Type Founders Inc Printing press
FR2102423A5 (fr) * 1970-08-03 1972-04-07 Decoufle Usines
JPS57145763A (en) * 1981-03-06 1982-09-08 Nippon Steel Corp Apparatus for piling up plate article
DE3332809C2 (de) * 1983-09-12 1986-03-20 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bandverzögerungsstrecke für einen Falzapparat
US4506873A (en) 1984-03-01 1985-03-26 Faltin Hans G Braking means for moving paper products entering folders
DE3809588A1 (de) * 1988-03-22 1989-10-05 Goebel Gmbh Maschf Ablege-einrichtung
FR2672544B1 (fr) * 1991-02-08 1995-10-06 Marinoni Harris Sa Plieuse de machine d'imprimerie a dispositif ralentisseur d'exemplaires envoyes dans un pli d'equerre de ladite plieuse.
JPH0558531A (ja) * 1991-08-27 1993-03-09 Touyo Riken:Kk シート集積装置
DE4243222C2 (de) * 1992-12-19 1997-07-03 Roland Man Druckmasch Vorrichtung zum Transport und zur Verlangsamung von Falzprodukten
FI93529C (sv) * 1993-06-09 1995-04-25 Gma Printing Syst Ab Oy Matningsvändanordning för åtminstone delvis vikta tidningar eller tidskrifter
EP0726868B1 (fr) * 1993-11-02 1998-03-18 GRUNER + JAHR AG & CO. Dispositif pour le transport de produits plats souples
DE19831044A1 (de) * 1998-07-13 2000-01-20 Heidelberger Druckmasch Ag Vorrichtung zur Änderung der Geschwindigkeit von Exemplaren
US6405850B1 (en) * 1999-03-31 2002-06-18 Heidelberger Druckmaschinen Ag Apparatus and method for advancing signatures using a retracting drive

Also Published As

Publication number Publication date
DE10107275A1 (de) 2001-10-04
EP1138622A2 (fr) 2001-10-04
JP2001310855A (ja) 2001-11-06
US6428001B1 (en) 2002-08-06
ATE272558T1 (de) 2004-08-15
JP4593818B2 (ja) 2010-12-08
DE50103056D1 (de) 2004-09-09
EP1138622A3 (fr) 2003-10-01

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