EP3210918B1 - Amenée de produits imprimés de différentes épaisseurs - Google Patents

Amenée de produits imprimés de différentes épaisseurs Download PDF

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Publication number
EP3210918B1
EP3210918B1 EP17156714.2A EP17156714A EP3210918B1 EP 3210918 B1 EP3210918 B1 EP 3210918B1 EP 17156714 A EP17156714 A EP 17156714A EP 3210918 B1 EP3210918 B1 EP 3210918B1
Authority
EP
European Patent Office
Prior art keywords
conveyor belt
printed product
roller
step roller
printed
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.)
Active
Application number
EP17156714.2A
Other languages
German (de)
English (en)
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EP3210918A1 (fr
Inventor
Fabian Acklin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mueller Martini Holding AG
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Mueller Martini Holding AG
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Filing date
Publication date
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Publication of EP3210918A1 publication Critical patent/EP3210918A1/fr
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Publication of EP3210918B1 publication Critical patent/EP3210918B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B65H5/023—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between a pair of belts forming a transport nip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/34—Apparatus for squaring-up piled articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/06—Movable stops or gauges, e.g. rising and falling front stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0081—Cutting on three sides, e.g. trilateral trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/01—Function indicators indicating an entity as a function of which control, adjustment or change is performed, i.e. input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/02—Function indicators indicating an entity which is controlled, adjusted or changed by a control process, i.e. output
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/331—Skewing, correcting skew, i.e. changing slightly orientation of material
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4474—Pair of cooperating moving elements as rollers, belts forming nip into which material is transported
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/152—Arrangement of roller on a movable frame
    • B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/23—Belts with auxiliary handling means
    • B65H2404/232—Blade, plate, finger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/269—Particular arrangement of belt, or belts other arrangements
    • B65H2404/2693—Arrangement of belts on movable frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/54—Surface including rotary elements, e.g. balls or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
    • B65H2404/72—Stops, gauge pins, e.g. stationary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B65H2511/224—Nip between rollers, between belts or between rollers and belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/182—Piled package
    • B65H2701/18271—Piled package of folded sheet material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/182—Piled package
    • B65H2701/1829—Bound, bundled or stapled stacks or packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/48—Bookbinding

Definitions

  • the present invention relates to the supply of printed products of different thicknesses and produced in a saddle stitcher, perfect binder or thread stitching machine to a downstream cutting apparatus for further processing.
  • the device is also suitable for printed products that are not or only partially stapled
  • the printed products are thus typically taken from a previous machine, for further processing to a cutting device on, the printed products during feeding as needed aligned with moving mechanical stops and with synchronized to the power stroke of the subsequent cutting apparatus.
  • the invention itself is characterized by an apparatus and a method.
  • the thickness of the printed products to be processed is typically adjusted in the feeder by the distance between the upper and lower conveyor belts in the region prior to transfer to the cutting apparatus. During alignment with the mechanical stops, the printed products must not be clamped or only slightly clamped between the upper and lower conveyor belts so that the printed product can move relative to the conveyor belts.
  • the printed products in the region of the transfer to the cutting apparatus must no longer slip on the conveyor belts, Why the printed products are trapped between the conveyor belts.
  • This type of adjustment has the disadvantage that only one print product thickness can be set per production and thus printed products with different thicknesses can not be processed within one production.
  • the transport of the printed products to the first cutting position in the cutting apparatus and between the first and second cutting positions in the cutting apparatus is performed with upper and lower belts. These belts are driven intermittently by mechanical indexing or by a rotating crank loop. In order for the printed products to be able to be aligned with the mechanical stops, they must be released by lifting the upper bands in each case before the stops. With the mentioned cutting device, printed products with very different formats and different thicknesses are cut.
  • a very accurate frontal cut can be made at high power, i. the distance between the leading edge 25 (corresponding to the back of the printed product) and the front cut is within the desired tolerances.
  • these tolerances are comparatively high in width and may be in the range of about 1 mm. It has been observed that such thick and bulky printed products are warped when entering the first cutting position of the cutting apparatus, which reduces the cutting accuracy with respect to the front section.
  • other external influences as well as the occurring acceleration and deceleration values as well as the mechanical play in the gearbox can reduce the cutting accuracy.
  • a position measurement determines that a printed product deviates from its nominal position, it is either accelerated or decelerated.
  • This cutting apparatus is characterized in that the previously used mechanical stops can be replaced by virtual stops.
  • the printed products can be brought to a virtual stop in a corrected and exact position.
  • the printed products need not be released and can be held with the upper and lower belts during the cutting process. Since the printed products need not be released and can be accelerated during further transport without lowering the upper belts, higher production speeds are possible.
  • the cutting transport device operatively connected to the cutting apparatus is driven by an electronically controlled individual drive.
  • the game and the wear of the usual mechanical stepping gear are thus avoided.
  • the movement curves for the electronic stepping gear can be stored as a point table. This allows specially optimized motion profiles to be programmed for different production conditions, such as the thickness of the printed products, the paper quality, the format of the printed products and the production speed.
  • an optimal sequence of movements can be programmed simply by switching to another curve table.
  • Such curve tables can be calculated in a simple manner according to the known laws of motion for cam gears. It can be achieved that in an extreme product change by simply switching to another curve table, a more optimal motion sequence is programmable.
  • the cutting transport device itself therefore has subbands and upper bands, between which the printed products are transported in the conveying direction.
  • the belts are driven by means of an electronically controlled single drive, which can be a synchronous servomotor. With this configuration, the top band must be set to the thickness of the printed products to be processed.
  • the invention aims to remedy this situation.
  • the invention as characterized in the claims, the object is to ensure the supply of printed products with different thicknesses to a cutting apparatus within a production. Such printed products with different thicknesses should be continuously fed to the processing, even if the product thickness changes from bar to bar.
  • This driven roller also called a stepped roller, has at its circumference an exemption recess and at one end of the exemption recess an axis parallel to the axis of rotation of the stepped roller with a compensating roller.
  • the compensation roller can be designed, for example, as a ball bearing be, wherein one or more ball bearings can be mounted side by side on an axis of the compensation roller.
  • the printed products enter with the folded back as a leading edge in the release cut of the step roller, but they do not encounter within the exemption incision against the wall of the exemption section.
  • the step roller is supported via the compensation roller or the ball bearings directly behind the folded spine on the printed product, and then lifts over a kinematic process the belt conveyor with the upper conveyor belt by the value of the thickness of the printed product from the lower conveyor belt.
  • the printed product is first transported between a first deflection roller of the upper conveyor belt and the lower conveyor belt and shortly thereafter between the upper and the lower conveyor belt.
  • the upper conveyor belt is always stretched parallel to the lower conveyor belt, at least in the region in which it is in contact with the upper side of the printed products, between the first guide roller and a last deflection roller of the belt transport device viewed in the transport direction.
  • the relative position of the leading edge of the printed product relative to the step roll, with respect to the first engagement, is the same for each bar, since the printed products at this time are already aligned in and across the direction of transport and synchronized with the working stroke of a downstream cutter.
  • the printed product As soon as the printed product has left the region of the belt transport device, it is lowered again onto the lower conveyor belt.
  • the printed products are clamped head and foot side by two transversely spaced to the transport direction conveyor belts with the same force, since the two upper conveyor belts are not mechanically coupled. Since the step roller is supported directly on the printed product, the upper conveyor belt is positioned by a purely mechanical function of the thickness of the printed product in height. This is thus initiated only when a printed product is present.
  • the essential innovation of the invention is that the height of the belt conveyor or the upper conveyor belt and thus the thickness of the printed product head and foot side in the field of feeding independently and independently of each other can adjust to each individual printed product. This happens purely mechanically via a sophisticated support of the belt transport device on the printed product itself.
  • This step roller with its complementary elements is present at least once per belt conveyor.
  • two such synchronously or quasi-synchronously operating belt transport devices are present, which detect the print product in the conveying direction on the head and foot symmetrically or quasi symmetrically, whereby twisting of the printed product is avoided during transport.
  • the feeding device ensures to run productions in which the thickness of the printed products varies from cycle to cycle. Since the position of the upper conveyor belt and thus the thickness of the printed product by the support on the printed product automatically and purely mechanically adjusted to each individual printed product, no separate adjustment to the thickness of the printed product in the feeder is more necessary.
  • the setting is thus detached from the software of the machine and the measured value of a thickness measurement. There is only the minimum way to position the tape transport according to the thickness a currently transported print product carried out and this only if a printed product is available.
  • the mechanism is protected by the structural design against overload in the event of a paper jam.
  • FIG. 1 shows a saddle stitcher 100 consisting of sheet feeders 105, a controller 106, a gathering chain 107, a stitching station 101, a downstream cutting apparatus 103. Between the stitching station 101 and the cutting apparatus 103, a feeder 102 for the supply of variable-thickness printed products 4 is arranged, which in detail the following figures will be described.
  • the saddle stitcher 100 in the present example represents a starting point for the development according to the invention.
  • each printed product is unique, which includes a certain number of sheets, which directly has a direct impact on the product thickness and therefore requires that the staples for each print product must be different lengths, the stitching quality should be optimized.
  • the saddle stitcher 100 produces the pads extremely efficiently and flexibly. Thanks to the space-saving design of the system and a high degree of automation, this saddle stitcher 100 is a high-performance production for smallest, small to medium runs.
  • the controller 106 of the saddle stitcher 100 shown has a setup wizard which guides the operator step-wise through the applicator, ie, from the sheet feeders 105 to the downstream cutter 103.
  • the illustrated stitcher 100 is extremely easy to set up.
  • elements are incorporated, which continuously determine the product thicknesses, so that the stitching process can then be carried out with wire lengths, which are designed according to the thicknesses of the printed products.
  • the controller 106 of the saddle stitcher 100 shown has at least one electronic product tracking which extends from the gathering chain 107 to the downstream cutting apparatus 103.
  • the stitcher 100 is provided with a stitching station 101 capable of stapling printed products with thicknesses varying from bar to bar and consistent staple quality, the thickness variance settings dynamically occurring during operation between two stitches.
  • variable wire length is achieved via an external wire feed gearbox using a wire drawer gear. This is powered by a self-propelled and is free of the rest of the mechanics. A certain rotational movement of the motor corresponds to a specific wire length. In general, the length of the wire section depends on the thickness of the printed products to be stapled, this being determined by a product thickness measurement before stapling and during operation.
  • a variable staple symmetry is based on a knife housing belonging to the stapling head housing, wherein the staple symmetry can be set via a directly driven on the stapling head closed cam (spiral), which determines the position of the horizontally guided knife box and thus the position at the the stitching wire is cut, fixes.
  • the drive is mounted on the stapling head and thus makes the oscillating movement of the stitching carriage.
  • the respective horizontal position of the knife box depends on the respective length of the stitching wire section, and thus it depends on the product thicknesses to be stitched, which is determined by a product thickness measurement before stapling and during operation.
  • FIG. 2a shows the essential elements of the feeder 102, also called inlet and their mode of action.
  • the feed device 102 essentially consists of a belt transport device 12 arranged above a transport plane and of lower transport belts 2 with which printed products 4 of different thicknesses are fed to the cutting apparatus 103 in a transport direction T. Furthermore, the feeding device 102 has means for aligning printed products 4 during transport.
  • the printed product 4 is clamped between the step roller 1 and the counter roller 3 and the lower conveyor belt 2.
  • a rigid base 5 can also be provided in the area under the step roller 1. This pad 5 prevents sagging of the lower conveyor belt 2 and ensures that the printed product 4 in the transfer to an in Fig. 3 partially shown cutting conveyor 104 of the cutting apparatus 103 does not lose its orientation
  • the printed products 4 are in the feeding device 102 on at least two transverse to the transport direction T spaced-apart Aufholb sekunder 102 (ie head and foot side), which are driven at a speed v1.
  • the feeder 102 has stops 8 mounted on an endless circulating traction means (e.g., a chain or a timing belt, not shown), which are also arranged on the head and foot. They are driven at a speed v2 which is less than the speed v1 of the Aufholb selected 7. As a result, the printed products 4 are aligned with their leading edge 25 of the stops 8.
  • an endless circulating traction means e.g., a chain or a timing belt, not shown
  • the feeder 102 also has side straps 23 which fit into the Figures 3 and 8 - 10 are shown and which center the printed products 4 transversely to the transport direction T and which are also driven at the speed v1.
  • the step roller 1 is coupled by means of toothed belt and or gears with the drive of the traction means for the stops 8. This ensures that the leading edge 25 of the printed product 4 in each case in the release recess 19, also called recess, the stage roller 1 enters. Subsequently, an am Circumference of the step roller 1 and arranged at one end of the release cut 19 compensation roller 9 on top of the printed product 4.
  • the compensation roller 9 is rotatably mounted on the step roller 1 on an axis which is parallel to the axis of rotation 24 of the step roller 1.
  • the compensation roller 9 may be formed as a single or as a plurality of axially juxtaposed ball bearings. Because the step roller 1 or its compensating roller 9 does not first come into contact with the leading edge 25 but with the upper side of the printed product 4, an undesired (wind-skewed) displacement and / or rotation of the aligned printed product 4 is prevented.
  • the compensating roller 9 In the kinematic operative connection between the step roller 1 and compensating roller 9, the compensating roller 9 generates by its own mobility and by attaching the step roller 1 to a pivotable about a frame pivot point 13 lever 10, a translational movement of the step roller 1. It has an in Figure 2c and 2e illustrated vector 26 of this translation movement of the step roller 1 on a vertical and a horizontal component of movement. Opposite the axis of rotation 24 of the step roller 1 with neutral rotation, the vector 26 extends this translational movement in the direction of the fourth quadrant.
  • the translation-triggering motion can also be accomplished by other elements, but which in any case must accomplish the basic kinematic implementation of the motion on step roller 1.
  • the diameter of the step roller 1 is selected so that the circumference of the step roller 1 corresponds approximately to the nth part of the distance between two stops 8 of the feeding device 102, where n can be an integer between 1 and 10.
  • n 6
  • the step roller 1 rotates six times around its axis of rotation 24 per printed product 4.
  • the diameter of the step roller 1 should be as large as possible, the distance between the step roller 1 and a subsequent, the upper conveyor belt 6 deflecting guide roller 18 of the belt transport device 12 should be as small as possible, so that Even printed products 4 can be transported with small and smallest format.
  • the distance between the step roller 1 and the guide roller 18 must be smaller than a radius B in each case, which according to FIG. 2b the length of the circumference of the step roller 1 with a constant radius R corresponds.
  • the upper conveyor belt 6 is stretched parallel to the lower conveyor belt 2 between the first deflection roller 18 and a last deflection roller 27 of the belt transport device 12 in the transport direction T. Between the two deflection rollers 18, 27, one or more support rollers may be arranged. These ensure that the upper conveyor belt 6 also rests between the two deflection rollers 18, 27 with a sufficiently large contact pressure on the printed product 4 to be conveyed.
  • a peripheral speed v3 of the step roller 1 corresponds approximately to a speed v4 of the lower conveyor belt 2 and the upper conveyor belt 6 and also the speed v2 of the stops 8.
  • the compensating roller 9 or the ball bearings or the alternative used means of the step roller 1 compensate for different speed ratios in the transport direction T, which consist of hitting the compensation roller 9 on the top of the printed product 4 and reduce or avoid so causing marks on the top the printed products 4.
  • the upper conveyor belt 6 is pressed by the weight of the belt conveyor 12, against the lower conveyor belt 2 and against the printed product 4.
  • the tape transport device 12 has two levers 10, 11, with which they at two first pivot points 13, 14 with a in FIG. 3 shown frame 28 of the feeder 102 is connected.
  • a holding plate 17th At a second pivot point 15 and 16 of the lever 10 and 11 is a holding plate 17th the belt transport device 12 is rotatably mounted, so that the holding plate 17 and thus also the belt transport device 12 is always arranged parallel to the lower conveyor belt 2.
  • the distances between the pivot points 13 and 15 of the lever 10 and between the pivot points 14 and 16 of the lever 11 are equal.
  • (imaginary) connecting lines between the pivot points 13 and 15 or 14 and 16 must always be parallel to each other, so that the conveyor belts 2 and 6 are always parallel to each other.
  • the axis of rotation 24 of the step roller 1 coincides with the axis of the pivot point 15. "Rises” the step roller 1 on a printed product 4, the entire belt transport device 12 is lifted parallel to the transport direction T and thus aligned parallel to the lower conveyor belt 2.
  • Fig. 2c shows a printed product 4, which is transported at a speed v2 in the release recess 19 of the step roller 1.
  • the printed product 4 has a thickness D.
  • This in Fig. 2a shown upper conveyor belt 6 of the tape transport device 12 is not at this time as in Fig. 2a shown lifted off but is still on the lower belt 2, since there is no printed product 4 in the area of the belt transport device 12.
  • the distance between the step roller 1 and the counter roller 3 is very small or even 0mm.
  • Fig. 2e is the printed product 4 between the step roller 1 and the counter-roller 3.
  • the lever 10 and the in Fig. 2a illustrated lever 11 have opposite to the position in Fig. 2c executed a pivoting movement about the pivot point 13 and 14, respectively.
  • the pivotal movement was initiated by the step roller 1, which has risen on the printed product 4, by further turning in a clockwise direction.
  • the axis of rotation 24 of the step roller 1 has thus moved in the vertical direction upwards by an amount H, which corresponds to the thickness D of the printed product.
  • the compensation roller 9 impinges relatively late on the surface of the printed product 4.
  • the speed v3 horiz corresponds approximately to the transport speed v2 of the printed product 4 at this point in time.
  • the compensating roller 9 only has to operate for a short time Duration which compensate with the continuous rotation of the step roller 1 around the rotation axis 24 ever smaller speed difference v diff.
  • the respectively arranged on the head and foot side belt transport devices 12 can be set completely independent of each other on the thickness D of the printed products 4.
  • the printed products 4 may be due to introduced patterns of goods or if the printed sheets, e.g. closed on the foot side and open on the head, do not have the same thickness D everywhere. With the device according to the invention, these differences in thickness occurring on the head and on the foot are adjusted on a daily basis and without manual or intervention predetermined by the control.
  • a holder 20 with a clamping lever 21 is mounted on the first pivot point 13.
  • a spring element 22 for example, a tension spring or a torsion spring
  • the spring element 22 tensioned.
  • the spring element 22 tensioned by turning the holder 20 in a clockwise direction and thus reduces the weight of the belt conveyor 12.
  • FIG. 3 shows the mechanical structure of the feeder 102 according to FIG. 2a in three-dimensional view.
  • the cutting transport device 104 Downstream of the feed device 102, the cutting transport device 104 is summarily indicated, which forms an integral part of the cutting apparatus 103 (see FIG. 1 ), and which serves for the transport and the alignment of the printed product 4 for the subsequent cutting operations in said cutting apparatus 103.
  • This cutting transport device 104 will be discussed below.
  • FIG. 3 As regards the feeding device 102, the physical configuration of the step roller 1 with the compensating roller 9 integrated therein emerges. The course of the lower conveyor belt 2 and the upper conveyor belt 6 are very concise from this presentation. The stops 8 are shown here only hinted. These can be designed differently.
  • a speed v max of 2000 mm / s is generally provided, which corresponds to the above-mentioned speed v4 of the conveyor belts 2, 6.
  • the speed v2 is also 2000 mm / s. The same speed is also provided for the peripheral speed v3 of the step roller 1.
  • the upper conveyor belt 6 and the lower conveyor belt 2 have the same speed v4 of 1995mm / s.
  • the speed v1 is 2400 mm / s, while the lateral belts 23 run at a slightly reduced speed of 2390 mm / s.
  • Such print product transport makes it possible to run productions with consistently high quality of cut, in which the thickness D of the printed products 4 varies from cycle to cycle.
  • the print product transport also provides the prerequisites to be able to make the fine adjustment of the desired position of the first toothed belt wheel 30 manually during the current production or automatically depending on the thickness D of the printed products 4. There are also those conditions in which the timing and duration of the thickness adjustment depending on the thickness D or the format of the printed product 4 can be made.
  • FIG. 4 shows how the printed product 4 enters the release cut 19 of the step roller 1.
  • FIG. 5 shows how the compensation roller 9 is placed as part of the step roller 1 on the approached printed product 4, and those movements according to the explanations to the FIGS. 2a and 3 set in motion.
  • FIG. 6 shows that movement of the tape transport device 12, which is lifted according to the respective thickness D of the printed products 4, while the under conveyor belt 2 maintains its original transport plane. This movement is symbolized by the direction of the arrows 40 of the two laterally arranged deflecting rollers 18, 27 of the belt transporting device 12, between which the upper transport belt 6 is stretched parallel to the lower transport belt 2.
  • FIG. 7 shows how the printed product 4 is transported between the upper conveyor belt 6 and the lower conveyor belt 2.

Claims (11)

  1. Dispositif pour délivrer des produits imprimés (4), d'épaisseurs différentes, à un appareil de massicotage (103) implanté en aval, lesquels produits imprimés (4) se présentent à l'état agrafé, partiellement agrafé ou non agrafé, ou peuvent être fournis à l'état relié au moyen d'une relieuse-colleuse ou, respectivement, d'une machine de brochage cousu, caractérisé par le fait que la délivrance des produits imprimés (4) peut être effectuée à l'aide d'un dispositif d'amenée (102) ; par le fait que ledit dispositif d'amenée (102) comporte au moins des bandes transporteuses (2, 6) inférieure et supérieure formant, associativement, une paire de bandes transporteuses (2, 6) ; par le fait que, alors même que la bande transporteuse inférieure (2) présente un plan de transport fixe ou quasi fixe, la bande transporteuse supérieure (6) est en liaison opérante avec un système (12) de transport par bandes qui gouverne un réglage en hauteur direct de ladite bande transporteuse supérieure (6) en fonction d'une épaisseur (D) du produit imprimé (4) à convoyer ; et par le fait que ladite bande transporteuse supérieure (6) provoque le transport dudit produit imprimé (4) en liaison opérante avec la bande transporteuse inférieure (2), par l'application d'une force de pression audit produit.
  2. Dispositif selon la revendication 1, caractérisé par le fait que le réglage en hauteur de la bande transporteuse supérieure (6) s'opère par l'intermédiaire d'au moins un galet étagé (1) tournant conjointement à la face supérieure du produit imprimé (4), lequel galet étagé (1) est, d'une part, soutenu par l'intermédiaire d'un galet (3) de contre-appui ou d'un support sous-jacent rigide (5) et est, d'autre part, en liaison opérante avec au moins un galet de compensation (9) qui prend tout d'abord appui sur le produit imprimé (4) présenté, et provoque ensuite un mouvement translatoire de soulèvement dudit galet étagé (1) en correspondance avec l'épaisseur (D) dudit produit imprimé (4).
  3. Dispositif selon la revendication 2, caractérisé par le fait que le mouvement translatoire du galet étagé (1) est défini par un vecteur (26) constitué par des composantes verticale et horizontale de mouvement d'un axe de rotation (24) dudit galet étagé (1), par rapport à l'emplacement d'origine de ce dernier.
  4. Dispositif selon la revendication 3, caractérisé par le fait que le vecteur (26) du mouvement translatoire s'étend dans la direction du quatrième quadrant du galet étagé (1).
  5. Dispositif selon l'une ou plusieurs des revendications précédentes, caractérisé par le fait que le soulèvement du galet étagé (1) provoque un soulèvement correspondant de la bande transporteuse supérieure (6), par l'intermédiaire du système (12) de transport par bandes.
  6. Dispositif selon l'une ou plusieurs des revendications précédentes, caractérisé par le fait que le galet de compensation (9), pouvant être actionné en liaison opérante avec le galet étagé (1), est constitué d'un roulement à billes qui est logé dans une entaille contre-dépouillée (19) dudit galet étagé (1), est monté à rotation sur un axe (29) parallèle ou quasi parallèle à l'axe de rotation (24) dudit galet étagé (1), et gouverne le soulèvement dudit galet étagé (1).
  7. Procédé dévolu à l'actionnement d'un dispositif d'amenée (102) conçu pour délivrer des produits imprimés (4), d'épaisseurs (D) différentes, à un appareil de massicotage (103) implanté en aval, comprenant les étapes suivantes :
    a) le produit imprimé (4) est prélevé par un poste d'agrafage, par une relieuse-colleuse ou par une machine de brochage cousu occupant un emplacement précédent ;
    b) ledit produit imprimé (4), reposant sur une bande de reprise (7), est aligné sur des butées (8) à mouvement conjoint, avant d'être transféré à une bande transporteuse inférieure ;
    c) un réglage en hauteur d'un système (12) de transport par bandes incluant une bande transporteuse supérieure (6), en fonction de l'épaisseur (D) du produit imprimé (4) présenté, est amorcé par l'intermédiaire d'au moins un galet étagé (1) qui est implanté en amont de ladite bande transporteuse supérieure (6), se soulève à l'écart de ladite bande transporteuse inférieure (2) et dont la composante de force, agissant sur ledit produit imprimé (4), est soutenue par l'intermédiaire d'un galet (3) de contre-appui ou d'un support sous-jacent rigide (5), ce galet étagé (1) étant, d'autre part, en liaison opérante avec au moins un galet de compensation (9) qui prend tout d'abord appui sur ledit produit imprimé (4) présenté et imprime ensuite, audit galet étagé (1), un mouvement translatoire de soulèvement en correspondance avec l'épaisseur (D) dudit produit imprimé (4).
  8. Procédé selon la revendication 7, caractérisé par le fait que le mouvement translatoire du galet étagé (1) est achevé dès que ledit galet étagé (1) roule, par son pourtour, sur le produit imprimé.
  9. Procédé selon la revendication 7, caractérisé par le fait que le soulèvement du galet étagé (1) provoque un soulèvement correspondant d'un système (12) de transport par bandes, qui inclut la bande de transport supérieure (6) placée en aval dudit galet étagé (1).
  10. Procédé selon la revendication 7, caractérisé par le fait que le produit imprimé (4) est coincé par une force de pression entre la bande transporteuse supérieure (6) et la bande transporteuse inférieure (2), dans la région du dispositif d'amenée (102), poursuit son avance, puis est délivré à un appareil de massicotage (103) implanté en aval.
  11. Procédé selon la revendication 7, caractérisé par le fait que, dès que le produit imprimé a franchi un galet (27) de renvoi de la bande transporteuse supérieure (6), situé en dernier dans une direction de transport T, ladite bande transporteuse supérieure (6) s'abaisse de nouveau jusqu'à ce que cette dernière soit, au moins approximativement, en applique sur la bande transporteuse inférieure (2).
EP17156714.2A 2016-02-26 2017-02-17 Amenée de produits imprimés de différentes épaisseurs Active EP3210918B1 (fr)

Applications Claiming Priority (1)

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EP3210918B1 true EP3210918B1 (fr) 2018-06-27

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60232355A (ja) * 1984-04-27 1985-11-19 Fuji Xerox Co Ltd 複写機等の用紙位置決め装置
DE4227478A1 (de) * 1992-08-20 1994-02-24 Kolbus Gmbh & Co Kg Vorrichtung zum fortlaufenden Anlegen von Buchblocks
DE59808690D1 (de) 1998-03-11 2003-07-17 Grapha Holding Ag Schneidmaschine zum selbsttätigen Beschneiden von Druckerzeugnissen wie Broschuren, Zeitschriften oder Büchern
DE50012080D1 (de) 2000-06-26 2006-04-06 Grapha Holding Ag Schneidmaschine zum selbsttätigen Beschneiden von Druckerzeugnissen
JP2005314089A (ja) * 2004-04-30 2005-11-10 Komori Corp 搬送装置
US8291799B2 (en) * 2007-06-29 2012-10-23 Quad/Graphics, Inc. Adjustable trimming assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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