EP0729910B1 - Cylindre pour appareil de pliage ainsi qu'un appareil de pliage - Google Patents

Cylindre pour appareil de pliage ainsi qu'un appareil de pliage Download PDF

Info

Publication number
EP0729910B1
EP0729910B1 EP96102517A EP96102517A EP0729910B1 EP 0729910 B1 EP0729910 B1 EP 0729910B1 EP 96102517 A EP96102517 A EP 96102517A EP 96102517 A EP96102517 A EP 96102517A EP 0729910 B1 EP0729910 B1 EP 0729910B1
Authority
EP
European Patent Office
Prior art keywords
rotor
holding
working
section
working direction
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
EP96102517A
Other languages
German (de)
English (en)
Other versions
EP0729910A3 (fr
EP0729910A2 (fr
Inventor
Klaus Kirsch
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.)
Winkler and Duennebier GmbH
Original Assignee
Winkler and Duennebier GmbH
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
Priority claimed from DE19507351A external-priority patent/DE19507351A1/de
Application filed by Winkler and Duennebier GmbH filed Critical Winkler and Duennebier GmbH
Publication of EP0729910A2 publication Critical patent/EP0729910A2/fr
Publication of EP0729910A3 publication Critical patent/EP0729910A3/fr
Application granted granted Critical
Publication of EP0729910B1 publication Critical patent/EP0729910B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/165—Details of sheet gripping means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting

Definitions

  • the invention relates to a runner according to the preamble of Claim 1 and a folding device according to the preamble of claim 8 flat layer materials, e.g. Paper, pulp, Fleeces or the like, one or more times or in one another transversal directions to be folded out of one flexible or limp and initially as a settlement flat blank a folded unit, like a hygiene cloth, duster, cleaning cloth, drying cloth, one Napkin or the like.
  • flat layer materials e.g. Paper, pulp, Fleeces or the like
  • the Processing of the blanks expediently without the sheet position penetrating punctures or front and / or side trimmings after the longitudinal and / or transverse folding, but in mentioned run with one of the previous folding Smoothing, motif printing and / or full surface or Edge embossing of the layered web, after which the cross separation in two or more running concurrently on the same Benefit sheets or blanks to be machined for workers he follows.
  • the unit can be V-, M-, N- and / or C-shaped with longitudinal folds be folded, the fold legs like those of transverse folds can have the same or different lengths and this length as well as that of the fully folded unit can be changeable during work.
  • the handover or processing on the respective runner can also without Folding.
  • the respective rotor like a rotary or roller rotor, has receiving surfaces extending in the working direction for the sheet layers and holding means for fixing the front End of the sheet web and / or the individual sheet layer on.
  • holding means are also advantageously provided, which essentially attack in a force-fitting manner, that tensile forces exerted on the material its sliding Allow displacement on the receiving surface without the Material tears across the tensile stress.
  • Such holding means can e.g. Adhesive or suction agent, which the material also at an edge distance of at least 1 cm with a predetermined Press the holding force against the mounting surface.
  • These holding means have functional properties, namely a predetermined static or sliding friction between Receiving area and material, positions of the holding zones opposite the rotor body, distances related to the rotor body between several stop zones if necessary or accordingly related extents of the respective holding zone in the working direction or crosswise, a mutual relationship of area-specific holding force of at least two holding zones, absolute and above zero holding forces in the holding zones as well as holding forces depending on the distance of the respective Holding zone opposite a fixed one in the working direction or fixed reference basis.
  • Runners with holding means of the type described have over their repetitive commute to different work functions, e.g. they should the layer path below predetermined Set tension, cause cornering forces, a slip-free hold and a hold of the material Allow slip, release the material with folding if necessary, Prevent leg displacements within folded units, Allow cross separations, format change of the material or the folded units, etc. It has proven to be proved difficult, the work surface or the holding means design that they meet several of these needs can be.
  • EP-A-0 257 390 shows a folding device with runners, each of which has two rotor bodies, which in the Working direction of the rotating work movement against each other are adjustable.
  • a rotor body only has grippers and the other rotor body holding gripper and folding knife or folding jaws, the folding blades or folding jaws alternating with the associated grippers, i.e. alternatively, can be activated and deactivated so that either quarter-round and half-circumference formats can be folded.
  • the invention is also based on the object of a runner or to create a folding device with which disadvantages known training or the type described avoided are and in particular an adjustment of the functional Characteristics of the runner to the respective requirements allows.
  • the respective runner can with arrangements or tools for different jobs be equipped, e.g. with one or each several cross cutting knives spaced in the working direction, Counter knives, fold inner molds, fold outer molds, Transfer means for transferring the blank from a runner or a workstation to or to the next and / or with other arrangements, said holding means also may be missing.
  • the rotor can be driven by suitable gears, e.g. Double planetary gearbox, versus one or more other runners positively controlled synchronously or during the Working company compared to this in a rectified Phase shift can be moved relatively to format changes of the respective folding leg or the entire unit or to do something similar.
  • gears or the like Actuators are suitable, the respective functional Property also during the run of the runner change so that during production folding device different folded or similar units converted can be.
  • At least one of the functional properties is according to the invention changeable, the change through a remodeling or change of parts and / or an actuating device can, so that possibly only by an actuating movement and a changeover is possible without any other assembly work.
  • the distance of the respective holding area is also advantageous of the reference base and / or its extent the reference base or the runner changeable, so that the Material in any sub-zone and over any area across and / or parallel to the working direction depending on the requirements with the same or different positive holding forces can be secured.
  • the runner works in the area of work zones, which are adjacent to one another in and / or across the working direction follow movements of at least part of the material cause transversely to the receiving surface or material processing and mostly represent workstations in which the recording area of the rotor in engagement with the receiving area Opposite stands.
  • at least one control element is provided, which in the case of a Secure position by fluid pressure in the manner of an adjustable Aperture, a spool or the like. Be formed can.
  • the control or aperture opening can be completely laterally outside the working width and / or completely are within the working width of the runner.
  • Means can be provided to at least one of the functional Properties in side-by-side directions to choose or change zones differently, in particular to change each other or independently.
  • the holding forces can differ in such zones high, with positive in at least two holding zones or towards zero holding forces can.
  • the material points at least one to the working direction about a parallel fold, such as a longitudinal fold, on or the material is at least double-layered with one another Material legs on the receiving surface, so it is expedient, in the area of the free leg end of the Receiving surface removed material leg a higher holding force than in the opposite, parallel edge area of the Material to cause a mutual displacement of the Material layers and therefore a change in the position of a fold or the like to prevent.
  • the changeability of the respective functional property can also be done by mutual adjustment of runners or Receiving bodies or of sections of the receiving surfaces in and / or transversely to the working direction, whereby the mentioned or possibly including arrays, arrangements or Tools, based on the rotor body, in their position or can be changed in their mutual distance.
  • the Runner suitably consists of two or more against each other adjustable single bodies, which with the adjusting device or by retrofitting the machine frame in its storage or its drive connection remaining rotor against each other can be adjusted. This allows tool distances, Distances between neighboring stopping areas and / or the sizes or areas of these holding zones changed to e.g. to set different blank sizes. Both individual bodies form separate holding zones.
  • the receiving surfaces or holding zones can be in the working direction and / or partially or essentially in the direction of the working width be completely formed by components which formed separately from the respective rotor body and on the latter Working side, especially replaceable non-destructively, are attached.
  • a component which is also useful separate from the closest tool is formed or attached, a cover of a or two neighboring ones and against each other in the working direction adjustable rotor segments or between if necessary whose mutually facing segment flanks are formed and in the width of the variable segment gap.
  • This gap can be a radially reaching as far as the inner shaft Form pressure or vacuum chamber, which to the receiving surface through the named component, possibly down to pressure or Suction openings, is closed.
  • the respective component is sufficient Appropriately approximately to one opposite the receiving surface transversely offset region of the rotor body or on the latter Flank.
  • This transversely offset area can be a well for a tool or a projecting one Be tool yourself, in the first case the back surface of the tool an almost gap-free continuation of the associated one Section of the receiving surface or holding zone up form to the working area or the working edge of the tool can.
  • mutual Intervention of the deck segments expediently engages the deck segment shorter in the working direction with a projecting Part of the other deck segment a direction away from the associated tool, so that the associated section of the receiving surface a small step having.
  • the respective rotor segment expediently points in opposite directions
  • Directional end of one or more cover elements which both overlap in the manner described however, deck segments on separate, both sides of the first mentioned runner segment lying runner segments are attached.
  • One of the segment ends mentioned is overhanging the associated flank of its rotor segment for bridging the gap before, while the other, especially against the direction of work directed, end with the other flank of his Completes rotor segment, so that the adjoining this flank Gap from one deck segment of the adjacent Rotor segment is covered.
  • One to all of the deck segments mentioned can contain holding zones form, e.g. be designed as a perforated plate, the perforation directly to chamber-shaped main channels of the associated rotor body or to the fluid chamber formed by the gap connected.
  • the main channels can thus be used as pocket or axially groove-shaped depressions in the outer circumference and / or at least one edge of the associated rotor segment manufactured and then directly through the deck segment or a separate closure member on the open longitudinal side of the groove to be introverted.
  • the deck segment is then only on the Longitudinal edges of axial or similar webs of the rotor segment which neighboring main channels or a main channel of separate the adjacent outer flank of the rotor segment and start directly from the hub of the rotor segment.
  • the Main channels can be very large or compared to the rest Runner segment have larger volumes, causing pressure fluctuations reduced at the suction openings or in the channels become. Due to the very short, same width as each associated branch channels within the suction opening of the respective deck segment are also friction losses the flow decreases, the width of each branch channel can be greater than its length. Manufacturing too of the suction openings or the production of very smooth receiving surfaces is significantly simplified and the grid distribution the suction openings can be replaced by changing the respective deck segment be changed.
  • the respective runner segment can be produced as a molded or die-cast body, the Main channels or side connection channels are formed and do not require any further processing of their inner surfaces.
  • the suction control can form or the adjacent Main channels closed at the associated end.
  • a one-piece Ring flange can also be between adjacent panel widths be provided and adjacent over the working width Separate main channels.
  • the one thus formed Runner body especially between neighboring ones Ring flanges, continuous across the receiving surface Receiving pockets for the runner segments of the other runner body form, which then lie between the two Flanges mounted without axial play and on the of the receiving surface turned inside of the first runner body firmly connected to the associated control shaft or the like are.
  • At least two of the individual bodies at least are advantageous one side of the working width separately on Machine frame stored or with separate discharges provided for the driving force, so that there is a very high Stability results, which, like the other training courses described, a significant increase in the performance of material processing without unwanted vibrations. Further can the two individual runners over a phase shift the drive initiation against each other during the run adjusted and also driven synchronously.
  • the runner can also for the optional recording or processing of material with different number of layers or folds without any structural modification of the runner himself.
  • the runner can cut the material to form a first cross fold or a second cross fold.
  • the material can either the Runner at one work station or at the other work station in which the material is already included is provided with a first fold.
  • the material can still be the first named workstation, but without takeover by the Runner, go through without any structural modification or Change in the pass band of this workstation is required would.
  • Removable and replaceable folding device 1 is used to manufacture one or more longitudinal and / or Cross folds or folds, so that from a material web 5 over blanks 6 optionally fewer or more times folded units 7, 8 arise.
  • a driven Preferred 4 is provided, the one on both sides of the longitudinally folded Material web 5 attacking conveyor runners as essentially all other runners 10 to 14 of the folding device of a central drive, e.g. driven by a clock shaft are.
  • the material 5 down the friction drive 4 comes into a separating device 9 and then either over part or all of the designated runners 10 to 14 also optionally via intermediate routes in one Part or all of stations 15 to 20 or devices or pass gaps in which the material is different Treatments undergo what it was in the last Station 17 lying or standing at the exit of the folding device 1 is stacked.
  • the material can optionally only in a transfer or folding device 16 with a fold or be provided with at least one further fold, for which the material from the device 16 successively in three transfer or folding device 18, 19, 20 and finally on the same final route as previously described Tray 17 arrives.
  • the devices 18, 20 can thus be taken out of operation are and are in each case also by the devices 15, 16 forming functional components formed while the device 19 formed solely by the components 11, 14 is.
  • the respective device 15 to 20 processed or treated the material during the continuous run through a gap or the like., Which each by two Workers 10 to 14 is limited.
  • the layer web 5 is one not shown Storage roll over length compensation dancers and a smoothing unit deducted from a subsequent deduction conveyor that is independent from the drive of the devices 15 to 20 in its conveying speed is adjustable. Thereafter, the train passes through 5 successively a web edge control, at least one up to eight printing units, a heated drying section, at least one embossing unit and possibly a longitudinal separating device, in which they are trimmed in two or more side by side without trimming ongoing benefit widths can be divided. The respective useful web can then in the associated longitudinal folder 3 arrive.
  • the material 5 can have one or more layers in the storage state and can have, for example, 17 to 21 g / m 2 and weight per layer.
  • the web 5 expediently has a width of approximately 500, more than 800 or more than 1000 mm, which essentially determines the working width of the respective runner, wherein it consists of a compressed fibrous substrate, for example made of cellulose, plastic, tissue or the like.
  • the respective device 15, 16, 18, 19, 20 is by the Interaction of two circumferences or receiving surfaces of runners formed in the narrowest gap area or tangential point, of which the runners 10, 11, 14 each have at least two or three devices 15, 16, 18 or 18, 19 or 18, 20 associated are. At least one of these runners, e.g. runner 12, can also be four spaced apart along its receiving surface Devices, e.g. instead of one delivery point two over its scope has distributed transfer points on the runner, the units 8 optionally at two separate stacking points submit. After leaving each gap zone, the material 5 to 8 of the receiving runner as a whole via an arch path taken from about 90 °, 180 ° to about 270 ° and thereby in an oppositely curved arc path or direction of movement accepted.
  • the material web 5 then cut off by cross-sections subsequent cuts 6, if this is almost completely around the outer circumference of the associated runner 10 and secured against this are.
  • the respective blank 6 can follow an arch path between 90 ° and 180 ° in the area of the device 16 to be handed over to the runner 12, the runner first carrying it out 12 gripped between its ends and then its lagging Legs essentially by rolling or sliding given to the runner 12 and at the same time his leading Leg opposite to the direction of the rotor 10 of deducted this and placed on the trailing leg becomes.
  • a cross fold is then once on the rotor 12 Unit with transverse fold legs of the same or different length formed by the device gap 16 via a Arc angle between 90 ° and 180 ° and without processing through the device 20 through the tray 17 becomes.
  • the blank 6 can also pass from the station 16 a larger arc angle between 180 ° and 270 ° up to Station 18 taken and there in the manner described folded with the runner 14 and further over one of the mentioned arc angle or approximately 270 ° to station 19 be moved.
  • this is the one or more times in the transverse direction Hand over pre-folded unit 7 to runner 11 and here, as in station 15, by an inner former 23 or 26 a pre-fold similar to a linear bulge created.
  • the unit 7 is a Arc angle of about 90 ° supplied to the station 20 and in the described manner with handover to the runner 12 with a provided further transverse folding and from the runner 12 via a smaller arc angle of approximately 90 ° at the same point on the shelf 17 fed.
  • the unit 8 then faces the one mentioned above Operation at least one further cross fold, wherein for the production of each additional fold at least two or an even number of additional runners is provided for which the material from the runner 10 on a bypass route is supplied to the rotor 12.
  • the direction of work of the runners 10, 12, 13 is the same in both ways of working while they with directly interacting runners with approximately same speed is opposite.
  • At least one to all runners 10 to 14 lead a circumferential or Rotary motion so that they act as cylinders or rollers can be formed, which are approximately parallel to one another, horizontal axes of rotation on both sides of the working width on the frame 2 are stored. Every runner can have one or more Tools 21 to 30 distributed over the circumference to in to carry out the desired work at the associated stations.
  • Each of the runners 10, 11, 12, 14 is used to secure the cut, Transport, takeover and transfer runners trained, the runners 12, 14 on the one hand and 10, 11 on the other have essentially the same functions.
  • the runner 13 is as a cutting rotor, the rotor 10 additionally as a counter Folding runner and runner 12 as folding and dispensing runner educated.
  • the respective runner can with everyone full revolution a single or two or more of the same type Work on the corresponding number of units 6 to 8 depending on how large its effective scope is.
  • the runners 10, 11, 13, 14 have the same effective sizes and two each offset by about 180 °, similar acting tool assemblies 21 to 28.
  • the runner 12 has a circumference larger by half with three around 120 ° offset tool assemblies 28, 29.
  • the rotor 13 lies essentially on that of the runners 11, 12, 14 opposite side of the runner 10 and takes over Material 5 not on its scope. He wears two on the circumference Cutting knife 21, one after the other in a continuous pass with counter knives 22 on the circumference of the rotor 10 in the area of the gap 9, the blanks 6 from the web 5 with adjustable Cut off length.
  • the peripheral surface of the rotor 10, 11, 12, 14 forms the receiving surface for the material 5 to 8, that bears on this over a large area.
  • Each of these runners has holding means 25, 27, 29, 30 for securing the position of the material that is transverse to the receiving surface over a larger area and / or approximately parallel to Recording area only in a front edge area in the working direction can be exciting, so that the trailing part of the material without immediate parallel securing of position becomes.
  • the rotor 10 essentially has the entire scope and / or working width or holding means 30 with which the front end the web 5 and the blank 6 from the gap 9 and therefore already before separation over most of the material area is set. This results in a good one from the gap 9 Lateral guidance with longitudinal tension of the web 5.
  • the Knives 22 are offset in the circumferential direction on the rotor 10 two Folding inner former 23, such as folding knives, folding strips or the like, intended.
  • the respective blank 6 is cut off from the path 5 as it passes through the gap 9 with the runner 10 facing side placed over a folding knife 23 and thereby a beaded protrusion on the other side
  • Pre-fold generated which optionally in the area of the gap 16th or the gap 18 over a partial circumference of the rotor 12 or 14 is used to complete the folding.
  • Corresponding the runners 11, 14 also work for prefolding and the runners 11, 12 for final folding in the area of the column 19, 20 together.
  • the tools 24, 25 and 28, 29 of the rotor 12, 14 can therefore with regard to their functions and / or training in be essentially the same.
  • the tools 24, 28 form outer fold formers or pre-fold and pre-fold shots during the holding means 25, 29 the material at the angled inward secure the fold engaging in the receptacles 24, 28. They are controlled relative to the associated rotor 12, 14 movable grippers, namely so-called folding jaws, which hold the material due to clamping only frictionally, but so securely keep it facing and sideways opposite the Runner cannot make a relative movement until delivery, it requires a relief from the clamping force is.
  • the runners 10, 12, 13 and 11, 14 and their bearings have equal distances from each other in each operating position.
  • the widths of the columns 18, 20 can e.g. by common radial lifting of the runners 11, 14 with a separate Storage rack, can be enlarged to fold only to be provided in the area of the gap 16.
  • too Runner 11, 14 by interrupting the drive connection to be stopped. Damage to the above tools 23, 26 to avoid when running past the runner 12 to 14, it has depressions or gaps in the circumference Free spaces 31 into which the tool 23, 26 e.g. under Formation of the pre-fold can intervene so that the respective Gap 31 also in the manner of a tool or folding outer former can work.
  • the runners 10 to 14 are four separate, parallel drive levels 32 to 35 driven, in which each meshing gears or working runners 36 to 45.
  • each meshing gears or working runners 36 to 45 According to the course of the material 5 to 8 is the driving force from one runner to the next 13, 10, 14, 11, 12 or 13, 10, 12 transmitted so that all Rotor synchronizes with approximately the same peripheral speed are driven.
  • One on the shaft of the rotor 13 arranged rotor 36 drives directly via a rotor 37 a first rotor body 46 of the rotor 10 and over Intermediate rotor 38, 39 of a phase adjusting device 50, such as of a double planetary gear, a second, with the rotor 40 fixedly connected rotor part 47.
  • the rotor 42 drives via a rotor 43 and this with a rotor 44 via a gear 50 corresponding Setting device 48 a runner 45, which is fixed on the shaft of the rotor 12 is arranged.
  • the actuator 48 can, as described, also the relative leg length the unit 7, 8 in the subsequent folding to be changed.
  • the runners 10, 41 can via a changeover clutch 49 Depending on the operating mode, either runner 14 or drive the rotor 12.
  • the runners 42, 45 in separate, directly adjacent drive levels 32, 33 provided so that by axial displacement of the Runner 41 optionally in and out of engagement with the runners 42, 45 stands and thereby also the rotor 11, 14 or the adjusting device 48 can be stopped.
  • a corresponding, if necessary, radially disengageable, clutch can also between the Runners 44, 45 may be provided.
  • the frame 2 is essentially by two on both sides laterally the runner 10 to 14 and the runner bearings receiving frame cheeks 51 formed on each other facing outside two of the drive levels 32, 35 lie.
  • the runners 44, 45 lie in the first, the runners 42, 43 directly adjacent to it in the second, the runners 36, 38 on the other side of the frame in the third and the Runner 39, 40 directly adjacent to it in the fourth Drive level.
  • a transfer link 52 such as a stick standing upwards leads both Operating modes in the same way the units 7, 8 of the scope of the runner 12 to the rear end of the stack row.
  • the Member 52 can have a plurality of engaging in circumferential grooves of the rotor 12 freely projecting and swiveling racket arms have, which in their radially opposite the rotor 12th outward movement the respective unit 7, 8 with tool 29 released, lift off the circumference of rotor 12 and deposit on the shelf 17. Corresponding circumferential grooves can also have the runner.
  • the runner 12 can also with two rotatable runners interact, which with him its underside facing away from runners 10, 11, 14 Form the transfer column and holding means of the type described exhibit. These are at the same height, accordingly driven runners then transfer the units 7, 8 with With the help of approximate transfer links alternately stack of heights below in a lying arrangement. This Stacks can be removed independently.
  • the rotor body 46, 47 of the rotor assembly 10 are on each rack side with two bearings 53, 54 and 55, 59 essentially independently of one another stored directly opposite the cheeks 51.
  • the runner body 46 is with two on both sides on its front sides only outward connecting outer shafts 56 directly to the Cheeks 51 mounted and like the rotor body 47 and the External shafts 56 are penetrated by an inner shaft 57, which on the cheek 51 associated with the drive plane 32, 33 independently from the bearing 53 of the outer shaft 56 with a bearing 54 is mounted directly radially and axially.
  • Corresponding the bearing could also be on the other side or cheek 51 be provided, but here is in the area of the drive level 34 and 35, the shaft 57 with the bearing 59 directly on the Shaft 56 mounted.
  • the rotor body 46 is on the end face with one or both Shafts 56 axially and radially rigidly flanged or in one piece formed and rotatable relative to the shaft 57 during the Rotor body 47 sealed on the end face and radially off-center is adjustable in engagement with the shafts 56 and directly rotatably or centered connected to the shaft 57 is.
  • the rotor body 46 thus forms with one another diametrically opposed, separate assemblies forming axial segment sections the only non-rotatable connection between the shafts 56, with only one shaft 56 immediately is driven via the rotor 37.
  • the correspondingly segmented rotor body 47 is non-rotatable with a middle, enlarged and between the waves 56 lying section of the shaft 57 interchangeably connected, which carries the runners 40, 41 at both ends.
  • Runners 46, 47 facing ends support the shafts 56 each one in one piece with them, formed as an annular disk Control body 61, 62, between which the rotor segments 46 are interchangeably clamped and the component a control device 60 for influencing the holding force the holding means 30 depending on the rotational position, one arbitrary setting and the axial zone of the holding means 30 are.
  • each control body 61, 62 Is on the outer end face of each control body 61, 62 with an end face slidably fixed in operation and / or control unit 63, 64 which can be set in the working direction which the associated shaft 56 or 57 between the Control body 61, 62 and the associated cheek 51 on the circumference surrounds.
  • the control units 63, 64 are independent of one another adjustable and independent of bearings 54 to 55 am Rack 2 stored.
  • Each of the two like the control body 61, 62 structurally or functionally the same or different trained or mirrored opposite each other Control units 63, 64 have in their the control body 61, 62 facing end face a about the axis of rotation in Working direction extending and open to the front Ring recess on which with radially inside and / or outside sliding seals opposite the end face of the control body 61, 62 can be sealed.
  • ring segment-shaped chambers 65 divided into 67, two or more of which are separate Fluid or control connections 68, 69 connected or one or several can not be provided with a control connection.
  • the chambers 65 to 67 are each through a single one between them, used separately and partition 71 sliding on the associated control body 61, 62 up to 73 closed against each other, which is much smaller than the chambers and replaceable or in the circumferential direction is used as a radial bulkhead.
  • the between the Partitions 72 lying in chambers 66, 67 belong to a control body 70, which with a on the outer circumference of the actuator 63 freely accessible actuator 74 between the Partitions 71, 73 manually steplessly via a control drive can be adjusted and fixed in any position.
  • the chambers 66, 67 therefore always have in common in the working direction the same extent, as chamber 66 enlarges a reduction in chamber 67, which leads to mutual Installation of the partition walls 72, 73 also completely ineffective can be made.
  • the respective control body 61, 62 is with in the working direction around its axis evenly and unevenly distributed equal and unequal connection channels 75 provided which on its outer end face outlet or Connection openings 76 for the chambers 65 to 67 and at his inner end face inlet or connection openings 77 for the Ends of main channels 78, 79 of the rotor body 46, 47 forms.
  • Openings 77 can be radial relative to associated openings 76 be offset outwards, and the openings 76, 77 can both circular as well as approximately square or in the radial direction be elongated.
  • Each runner segment 46, 47 that by adding or removing at least one additional segment rigidly connected to it 58 can be enlarged or reduced in the working direction can have channels 78, 79 as main lines on, which approximately in the width direction of the rotor 10 and approximately axially parallel to this in two or more different Distances from the peripheral surface or in corresponding Wreaths are arranged around the axis of rotation.
  • Two or two each more main channels 78, 79 each only extend over an approximately equal part of the working width, with each other aligned main channels 78, 79 through closely adjacent blind holes extending towards each other or formed by a separating body can be separated from one another in a pressure-tight manner, which is used to change the length of the respective channel 78, 79 is adjustable.
  • each rotor segment 46, 47, 58 forms a receiving surface 82, 83 for the material 5, 6 and a holding zone in the area of this receiving surface 80, 81 for pressing the material independently of it Weight force.
  • the respective holding zone 80, 81 is through a large number of the receiving surface 82, 83 in the finest grid penetrating suction openings 85 which e.g. in each at least two or three successive ones in the circumferential direction Axial rows axially offset from each other evenly Openings 85 can contain. This can be achieved that of each channel 78, 79 in cross section several around it Center axis offset angular branch channels 84, which with penetrate the receiving surfaces 82, 83 at their outer ends and thereby each form a suction opening 85.
  • the arc angle, over which the suction openings 85 of the respective Extending channels 78, 79 about the axis of rotation is essential smaller than that of the chambers 65 to 67 and is only about at least or at most 10 °, so that a very fine control the respective location-specific holding forces or Expansion of the holding zone is possible.
  • Suction openings or holding zones can also be in the area of Tools, especially the knife 22, approximately up to their Cutting should be provided so that their belonging to the rotor circumference Breast area can be penetrated by suction openings. Furthermore, at least one can be approximately in an axial plane of the rotor 10 lying flank surface 86 of the respective rotor segment 46, 47, 58 of a limited only over a partial extent Channel 78, 79, 84 are interspersed, the rest of it Partial scope then through the corresponding subchannel Additional segment 58 is to be closed, so that suction openings 85 not only reach this flank, but in the separation gap are provided between such rotor segments. In the direction of work Both sides of the tools 23 are in one here small circumferential area no holding zones are provided because the Tools 23 for lifting the material 5, 6 from the receiving surface 82, 83 serve.
  • the tools 22, 23 are each in the working direction or close to the front end of the associated rotor segment 46, 47, the working direction in front of the tool 22, 23 can be free of suction openings.
  • Suction openings 85 extend to the rear end of the segment body 46, 47 and up to both flank ends of segment 58. That in the associated end face of the segment body 46, 47 lying end of each channel 78, 79 forms a connection opening 87 for the associated opening 77, the openings 87 of the rotor body 46 are congruent with the openings 77 can, while the openings 87 of the rotor body 47 each after adjustment with one or two adjacent openings 77 can be connected by covering.
  • the one following the pre-fold Leg of the blank 6 is at the handover in the station 16 until they are reached with the holding force mentioned secured while the leading leg with a opposite lower holding force is secured because of it securing holding zones 80, 81 now communicate with the chamber 66, so that in the working direction after station 6 sudden drop in holding power to a lower one Level is given.
  • the leading material leg can So opposite the working direction of the rotor 10 from the receiving surface 83 deducted and on the trailing leg be placed, which is essentially rolling away from the Receiving surface 82 to the corresponding circumferential receiving surface the runner 12 is handed over.
  • the separating body 72 then acts like that Separating body 71.
  • Chamber 66 with the above effects can also work in the direction the then two-part separator 72, 73 directly to the Connect chamber 65 so that positive holding forces approximately are given over the entire rotation path.
  • the stopping areas mentioned 65 to 67 can over the working width by the Control units 63, 64 are set independently of one another become.
  • the surface areas of the holding zones in the working direction and in the direction of the working width with both the control units 63, 64 as well as by removing or adding different sized additional segments 58 to those of Tool 22 or 23 pointing in opposite directions Flank of the segment body 46, 47 can be changed. Also one Change in the positions of the holding zones 80, 81 compared to the Runner body 46, 47 is thereby possible.
  • two each extend simultaneously the same unit 6 acting on both sides of the tool 23, active holding zones 80, 81 about the axis of rotation over an arc angle from more than 45 to 160 ° so that each end of the unit 6 is attracted against the receiving surface 82, 83 or distributed substantially evenly between these ends positive holding forces are effective.
  • the arc angle of the holding zone 80 can be approximately the same size as that of the holding zone 81, and between cooperating holding zones 80, 81 one can extending on both sides of the tool 23, from positive Holding forces essentially free zone are provided, whose arc angle is smaller than that of the individual holding zone 80, 81 is.
  • the arc angle of the respective holding zone 80a of the Runner 11 is larger than 40 or 60 °, in the working direction at least four to eight or twelve rows in a row of suction openings 85a can be provided in the have substantially equal distances from each other.
  • the arc angle of the receiving surface free of positive holding forces 83a is larger with at least 90 to 110 °, whereby these receiving surfaces 83a, based on the working direction, behind the tool 26 extends more than several times before that, namely at least four times further.
  • 83a lies within the rotor body 46a or in a rotary actuator 70a of the control device 60a, which acts as a connecting channel 75a for each Part of the working width has a longitudinal slot.
  • This longitudinal slot forms the connection opening on the inner circumference 76a and on the outer circumference the connection opening 77a to which the directly adjoin the radially inner ends of the branch channels 84a.
  • the slot width of the axial slot 75a is so chosen small that one on the receiving surface 82a Holding zone of less than 15 or 10 ° or approximately 5 ° arc angle is effective, but also in this suction openings 85a Direction of work provided one after the other, e.g. four neighboring Cross rows are assigned. All other branch channels 84a are closed by the circumference of the actuating body 70a.
  • connection opening 77a can with the actuating body 70a over the entire area of the associated branch channels 84a adjusted be, so that the positive effective holding zone in and against Working direction against the rotor body 46a adjusted as desired can be, depending on the extent of the is the leg 26 of the unit 7 leading the tool.
  • This adjustment is with the rotor 43 during the work possible, after adjusting the actuator 70a rotates synchronously with the rotor body 46a.
  • One from the runner body 46a protruding end of the actuator 70a forms for this purpose a control sleeve fixedly connected to the rotor 43 61a.
  • this end forms an inner shaft with the other end 57a, which with their outer circumference over the bearings 54a, 59a on the inner circumference of the outer shaft 56a of the rotor body 46a is stored.
  • This outer shaft 56a is in turn approximately in the Level of the bearings 54a, 59a with the bearings 53a, 55a on the Cheeks 51 mounted and rotatably connected to the rotor 44.
  • actuator 48 For mutual adjustment of the two runners 43, 44 is used actuator 48.
  • a tubular actuating unit 63a in the axis of rotation whose jacket is provided with through openings 65a, 66a, which extend over an arc angle that is about that between stations 19, 20 corresponds or opposite is bigger.
  • this results in a rotary valve control such that the first one when unit 7 arrives at station 19, folded end of this unit 7 from the associated area the holding zone 80a and detected over the small one Arc angle sucked in this state in the working direction taken and then in the area of station 20 by closing the line connections between the connection channel 75a and the control opening 65a are freed from the holding forces becomes.
  • This line connection is only reached when station 19 is reached opened again.
  • the two ends of the actuator 63a serve as connections 68a, 69a for a suction source, the connecting channel 75a like the control openings 65a, 66a, each through a partition 72a or 71a divided or separate sections can form so that in the associated parts of the working width different surface-specific holding forces can be effected.
  • the actuator 63a is regarding the position of the control opening 65a, 66a about the axis of rotation the frame 2 also continuously during work adjustable as panel. Even the extension of their Diaphragm opening 65a in the working direction, e.g. by changing of the control body 63a can be changed in a simple manner.
  • the holding zones 80a and the folding strips 26 receiving surfaces 82a, 83a do not need here be adjustable against each other, so that these receiving surfaces can be formed in one piece.
  • the control bodies 61b, 62b in one piece with each other, with the outer shafts 56b and with the formed the entire jacket of the rotor body 46b, which in the middle or between the individual widths of the total working width forms an annular disk-shaped central flange 88.
  • the rotor segments 89 lying diametrically opposite one another of the rotor body 46b form between their facing each other Flanks and between each end flange 61b or 62b and the central flange 88 each up to the shaft 57b continuous receiving pocket for a rotor segment 90 of the Runner body 47b, so that at least for each individual working width a separate rotor segment 90 is provided.
  • On the rotor segment 90 has end walls 91 at its ends, which with their outer surfaces facing away from each other on the facing inner surfaces of the respective associated Flanges 61b, 88 slide sealed and one between them limit only the main channel 78b or 79b, which is approximately from the back of the holder for the tool 23b to rear flank of the rotor segment 90 is sufficient.
  • the end wall 91 sliding on the control disk 61b or 62b is penetrated by the connection opening 87b and at least one of the connecting channels 75b connected.
  • the main channels 78b, 79b of rotor segments 89, 90 are over their entire length Length or up to the associated flanges 61b, 88, 62b or up to the end walls 91 and therefore over the associated working width on the full inside width on the outer circumference of the rotor segment 89 or 90 open, as they are like pocket or groove-shaped depressions are formed, which to the groove bottom decrease in width.
  • rotor segment 89 forms a plurality of such adjacent pockets 78b, 79b, each by a lying in an axial plane, opposite the pocket width thinner longitudinal web are separated from each other.
  • Each of these Main channels 78b, 79b is in the area of the groove base with at least a narrower connecting channel 75b of the associated Control disc wired.
  • Another main channel lies radially within tool 22b, with its corresponding one Groove opening in the associated flank of the rotor segment 89 lies and with a plate-shaped, in the Flank recessed closure member 92 closed at the groove opening is.
  • Branch channels 84b extend from this main channel , which pass through the tool 22b and at which the Form the intake surface associated with the outer surface.
  • Runner segments 90 can be made in the manner of a cast cluster a single blank 93 according to FIG. 13 can be produced, in which all segments 90 together between two end planes with mutual distances and evenly around the Blank axis are distributed.
  • the end walls 91 go at Blank 93 initially through the gaps, but will as segment-shaped partitions 94 facing each other Flanks of adjacent segments 90 separated out, whereby the rotor segments 90 are separated and then in Rotor body 46b mounted or exchangeable against shaft 57b can be screwed. This allows each other facing end faces, the peripheral surfaces as well the connection surfaces for the shaft 57b and the tool holders of all segments 90 worked together and very precisely become.
  • the openings 87b are only molded without machining.
  • control bodies 61b, 62b are adjacent to the bottom of the groove Chambers 78b, 79b around the rotor axis with annular recesses provided which up to the inner face of the each associated body 61b, 62b range and only through the flanks between the pockets 78b, 79b in the plane the associated inner end face interrupted are.
  • control disc-shaped control inserts 95 according to FIG. 14 fixed, which on bend the end edges of the flank webs and the Form connection channels 75b.
  • Two or more tax assignments each 95 can with congruent connecting channels 75b form a jointly strained package and therefore so thin be formed that their connecting channels 75b by machining can be produced very precisely with a laser beam can.
  • the outermost insert 95 thus forms the connection 76b and the innermost insert 95 the port 77b.
  • the receiving surfaces 82b, 83b or their holding zones 80b, 81b are in this case by shell or cover 96 to 99 formed, which in FIGS. 10 and 11 of clarity because of the circumference of the rotor bodies 46b, 47b radially to the are shown somewhat lifted outside and between each successive tools 22b, 23b essentially form the entire work surface.
  • shell or cover 96 to 99 formed, which in FIGS. 10 and 11 of clarity because of the circumference of the rotor bodies 46b, 47b radially to the are shown somewhat lifted outside and between each successive tools 22b, 23b essentially form the entire work surface.
  • For axial Adjacent single working widths are separate deck segments 96 to 99 are provided, which each have the same design in pairs could be. This also applies to tools 22b, 23b. Both sides of the tool 22b are on each runner segment 89 two deck segments 96, 97 attached.
  • the deck segment 96 closes flush and immediately adjacent to the branch channels 84b on the back of the tool 22b and covered all associated main channels 78b, 79b of the associated one Runner segment 89, over the rear flank of which it is still can protrude slightly.
  • the deck segment 96 is in the axial direction along the tool 22b and on both side edges to the rear end of the Segment 89 interchangeable with screws on the circumference of this Fixed segment 89, namely directly against the peripheral surfaces the flanges 61b, 62b, 88 braced. something similar also applies to the deck segment 97, which is in front of the tool 22b directly adjoins its recess and with most of its circumference extending over the front Flank of segment 89 protrudes.
  • the front deck segment 98 stands like the deck segment 97 around part of the circumferential extent of the adjacent rotor segment 89 via the front flank of the associated segment 90 before, while the rear deck segment 99 only slightly over the rear flank surface protrudes.
  • the flanges 61b, 62b, 88 are not over the Receiving surfaces.
  • the cover with the segments 96 to 99 form the mentioned gaps essentially closed chambers 58b, which in the manner described to the control device 60b are connected, so that also in their area holding zones can be formed.
  • Branch channels 84b go out, which immediately before the associated Tool, e.g. the tool 23b, and through the associated deck segment 98 are continued, so that in this Area suction openings 85b are also formed.
  • the control insert 95 Through the Formation of the control insert 95 are the chambers 58b and said branch channels 84b regardless of their width setting always connected to the control device 60b.
  • seals 100 e.g. Labyrinth seals, intended. So can on the two flanks of the rotor segment 89 radially or approximately in axial planes standing sheets or the like. Attached, the radially inner Edges immediately adjacent to the outer periphery of shaft 57b to run.
  • a corresponding cross seal can also be between adjacent rotor segments 90 in the region of the flange 88 be provided so that axially adjacent chambers 58b are separated can be pressure controlled.
  • the separating or sealing plates can stop at the same time Form adjacent rotor segments 89, 90 so that the Chambers 58b are never completely closed, but at smallest width e.g. a gap of about 1 mm gap thickness form. So you can run almost continuously across the entire Scope of runner 10b holding zones are formed independently on the mutual adjustment of the rotor bodies 46b, 47b.
  • Flow openings 85b are designed or arranged such that that in each overlap between the deck segments 96, 98 or 97, 99 covered openings 85b of the deck segment 98, 99 in partial or full coverage with openings 85b of the covering deck segment 96 or. 97 lie and so connecting channels form for the latter.
  • the deck segment 98 points directly adjacent to the associated tool 23b through openings which is in register with the one in front of this tool 23b Branch channels 84b arranged and therefore over this and the associated chamber 58b are controlled.
  • the deck segment 96 points directly behind the tool 22b Suction openings in longitudinal rows, which on both sides of the Longitudinal median plane of the associated individual working width run obliquely that they are from this longitudinal median plane remove to the outside.
  • This opening arrangement is only sufficient an area in which the cover element 96 according to FIG. 10 cannot be overlapped by the cover element 98, so that the opening arrangement serving to spread the material is always effective.
  • This opening arrangement will Material on both sides from the middle of its width exposed to a stretching force on the outside and thus independent of the mutual adjustment of the rotor bodies 46b, 47b to form folds prevented.
  • the mutual adjustment between the rotor bodies 46b, 47b about the rotor axis can do more than 30 ° or 40 ° and also 45 °.
  • Fig. 9 only one of the control units 63b is the control device 60b and the other is corresponding mirror-symmetrical on the other face of the rotor body
  • the three bulkheads or partitions 71b, 72b, 73b in one piece with the control housing or the limits formed by its annular groove and in the chambers 65b, 67b is a movable actuating body 70b as another Radial bulkhead arranged.
  • the connection 68b opens directly on both sides of the partition 73b in both chambers 65b, 67b, however into the chamber 65b with a larger passage cross section.
  • the two mouth passage cross sections in the chambers 65b, 67b can be changed independently, however also their extension in the working or circumferential direction and thus the corresponding extensions of the effective holding zones 81b, 80b on both sides of the area of action of the station 15b.
  • the chamber 67b can be almost for this area closed or opened up to the partition 72b.
  • the chamber 65b can essentially also be used for this area completely closed or approximately until Partition 71b can be opened.
  • the arrangement is expediently provided that if the web 5 in the area of station 15b is formed in a bead shape by the folding knife 23b, over which Chamber 67b the trailing part of the material a short time absorbing holding force is suspended so he during this molding against the associated receiving surface or holding zone 81b can be easily traced. Immediately at the end of this tightening, the holding force is increased again. This can e.g. through the passage cross sections shown in FIG. 14 of the connecting channels 75b, whose in Circumferential direction of adjacent individual openings or individual channels graded accordingly in the circumferential direction in their width are. This will be before and during the immediately following Cut with the tool 22b Lane 5 or the blank 6 avoided.
  • the runners according to the invention can also be retrofitted already existing folding devices installed or against existing runners are replaced so that a appropriate retrofitting is possible.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (10)

  1. Cylindre pour un moyen de pliage (1) pour le pliage en unités de pliage de couches de feuilles en matériau de substratum (de 5 à 8) ou similaires, avec au moins un corps de cylindre (46, 47 ou encore 46a), déterminant un mouvement de travail, tel qu'un mouvement de rotation, une direction de travail correspondante et une largeur de travail, corps pour le logement sur un bâti de machine (2), qui présente des surfaces de logement (82, 83 ou encore 82a, 83a) s'étendant à peu près en direction de travail, pour le matériau (de 5 à 8), ainsi que des moyens de support (30, 27), tels que des moyens d'adhérence ou encore d'aspiration, pour la fixation plate du matériau (de 5 à 8) sur les surfaces de logement dans des zones de support (80, 81 ou encore 80a, 81a) situées transversalement par rapport à la direction de travail sur la largeur de travail l'un à côté de l'autre ainsi que l'un derrière l'autre en direction de travail, des caractéristiques de travail étant associées aux moyens de support (27, 30), et plus précisément des écarts entre les zones de support par rapport au corps de cylindre (46, 47 ou encore 47a) ainsi que par rapport à la largeur de travail, les étendues des zones de support en direction de travail par rapport au corps de cylindre (46, 47 ou encore 46a), une relation entre la force portante spécifique par rapport à la surface de deux zones de support au minimum et des forces de support positives par rapport à l'écart des respectives zones de support par rapport à une base de référence fixe en direction de travail, caractérisé en ce qu'au moins une des caractéristiques de travail peut être modifiée par au moins un moyen de réglage (48, 50, 60).
  2. Cylindre d'après la revendication 1, caractérisé en ce que les caractéristiques de travail comprennent des positionnements des zones de support (80, 81 ou encore 80a, 81a) par rapport au corps de cylindre (46, 47 ou encore 46a), des étendues des zones de support (80, 81 ou encore 80a, 81 a) en direction de la largeur de travail par rapport au corps de cylindre (46, 47 ou encore 46a) et des forces de support positives dans les zones de support, et en ce qu'au moins une des caractéristiques de travail peut être modifiée pendant le service opérationnel du cylindre (10, 11), et/ou en ce que l'on prévoit des forces de support positives changeant avec le mouvement de travail, en ce que notamment au moins une zone de support (80, 81 ou encore 80a, 81a) présentant une force de support essentiellement constante peut être modifiée dans son écart de la base de référence ou encore dans son étendue de surface et en ce que de préférence le cylindre présente en direction de travail par rapport à la base de référence des zones fonctionnelles consécutives, telle qu'au moins une zone de chargement (15, 19) prenant le matériau (de 5 à 7) en charge essentiellement par roulement, au moins une zone de distribution (16, 18 ou encore 20) distribuant le matériau (6, 7) essentiellement par roulement, au moins une zone (15, 16, 18 ou encore 19, 20) traitant le matériau (de 5 à 7), au moins une zone supportant le matériau essentiellement sans glissements et au moins une zone ou similaires supportant le matériau de manière coulissante, dont au moins deux zones fonctionnelles consécutives présentent des forces de support positives différentes ou encore dont au moins une zone fonctionnelle ne présente essentiellement aucune force de support positive, notamment de manière qu'au moins une extrémité d'au moins une zone fonctionnelle puisse être modifiée dans son positionnement essentiellement sans à-coups à peu près parallèlement à la direction de travail et dans le sens contraire et en ce que de préférence un élément de réglage (de 71 à 73, 50 ou encore 63a, 70a, 48) est prévu pouvant être ajusté à peu près parallèlement à la direction de travail et/ou déterminant la position des zones de support (80, 81 ou encore 80a, 81a).
  3. Cylindre d'après la revendication 1 ou 2, caractérisé en ce qu'au moins un élément de réglage (70, 63a) déterminant les forces de support dans des zones fonctionnelles du cylindre est réalisé en tant que diaphragme fixe au moins en partie pendant le service opérationnel mais réglable, pour un courant d'aspiration et dont l'orifice de réglage (66, 67 ou encore 65a, 66a) est raccordé de conduite avec les zones de support (80, 81 ou encore 80a) au moyen de conduits (84, 84a) situés derrière les surfaces de logement (82, 83 ou encore 82a, 83a), en ce que notamment un orifice de réglage (65, 66, 67 ou encore 65a, 66a) est prévu au moins en partie sur le côté frontal à proximité latérale des surfaces de logement (82, 83) à l'extérieur de la largeur de travail ou encore au moins partiellement derrière la surface de logement (82a, 83a) sur au moins une partie de la largeur de travail et en ce que de préférence des zones de support sont prévues l'une à côté de l'autre sur la largeur de travail, auxquelles sont assignées différentes forces de support, et/ou en ce que le cylindre présente au moins deux corps de cylindre (46, 47) ajustables l'un par rapport à l'autre avec au moins des parties des surfaces de logement (82, 83), au moins un outil (22, 23) ou encore des moyens de support (30) et en ce que notamment un premier corps de cylindre (46) présente au moins un outil à tronçonner transversalement (22) ainsi que des moyens de support (30) s'étendant en direction de travail à peu près jusqu'à proximité immédiate de celui-ci ou encore un deuxième corps de cylindre (47), au moins un moyen produisant un pliage intérieur (23) ainsi que des moyens de support (30) s'étendant jusqu'à proximité immédiate de celui-ci ou encore de l'outil à tronçonner (22).
  4. Cylindre d'après une des revendications précédentes, caractérisé en ce qu'au moins une surface de logement (82b, 83b) est constituée par au moins un secteur de recouvrement (de 96 à 99) ou encore par un élément en coque, en ce que notamment au moins un secteur de recouvrement (de 96 à 99) est réalisé en tant qu'élément de recouvrement suivant la modification de largeur pour faire le pont par-dessus d'une fente (58b), qui peut être modifiée en direction de travail, sur un côté extérieur du corps de cylindre (46b, 47b) et en ce que de préférence au moins un secteur de recouvrement (de 96 à 99) fait directement suite à la face antérieure ou encore postérieure d'au moins une zone de travail transversalement décalée par rapport à la surface de logement (82b, 83b), d'au moins un outil (22b, 23b) du corps de cylindre (46b, 47b), et/ou en ce que l'on prévoit au moins deux secteurs de recouvrement (96, 98 ou encore 97, 99) qui se chevauchent parallèlement à la direction de travail ou encore qui sont décalables l'un par rapport à l'autre, en ce que notamment un secteur de recouvrement (96, 97) extérieur glisse avec une circonférence intérieure sur la circonférence extérieure d'un secteur de recouvrement (98, 99) intérieur ou encore qu'un secteur de recouvrement (98, 99) intérieur est latéralement soutenu essentiellement sur son étendue en direction de travail auprès d'au moins un corps de cylindre (46b, 47b) par sa circonférence intérieure et en ce que de préférence un secteur de recouvrement (96, 97) extérieur est fixé à proximité latérale d'un secteur de recouvrement (98, 99) intérieur sur le corps de cylindre (46b).
  5. Cylindre d'après une des revendications précédentes, caractérisé en ce qu'entre deux fentes (58b) limitrophes et écartées l'une de l'autre en direction de travail, dont la largeur peut être modifiée de manière réciproque ainsi que situées des deux côtés d'un secteur de recouvrement respectivement dans leur état le plus large, l'une est recouverte essentiellement par un secteur de recouvrement (97) extérieur et l'autre essentiellement par un secteur de recouvrement (98) intérieur, en ce que notamment au moins un secteur de recouvrement (de 96 à 99) forme des moyens de support (85b) pour la fixation plate du matériau (5, 6) à la surface de logement (82b, 83b) correspondante et en ce que de préférence au moins une fente (58b) entre des secteurs de cylindre (89, 90) ajustables l'un par rapport à l'autre de deux corps de cylindre (46b, 47b) est réalisée en tant que chambre à fluides pour le chargement en fluide d'une surface de logement (82b, 83b) au minimum ou encore du domaine couvert par la fente (58b) de la circonférence extérieure du cylindre, en ce que notamment au moins un secteur de recouvrement (de 96 à 99) est traversé par des ouvertures d'aspiration (85b) en forme de trame pour le matériau (5, 6) et en ce que de préférence au moins un secteur de recouvrement (de 96 à 99) est formé par un matériau en plaque, tel qu'une tôle courbée.
  6. Cylindre d'après une des revendications précédentes, caractérisé en ce qu'au moins un secteur de logement (58) échangeable avec des parties des surfaces de logement (83) ou encore avec des moyens de support (30) est prévu pour la disposition dans une fente entre les corps de cylindre (46, 47), en ce que notamment deux corps de cylindre (46, 47) ajustables l'un par rapport à l'autre sont pourvus dans le domaine au moins d'un point d'appui de secteurs de logement (56, 57) pour le logement direct, individuel et en substance sans appuis réciproques auprès du bâti de machine (2) et en ce que de préférence des paliers (53, 54 ou encore 55, 59) qui sont associés l'un à l'autre se trouvent à proximité axiale immédiate l'un par rapport à l'autre, et/ou en ce qu'un premier corps de cylindre (46) présente au moins une partie de palier (56) à la circonférence extérieure d'une douille de logement et qu'un deuxième corps de cylindre (47) présente au moins une partie de palier à l'extérieur de la douille de palier à la circonférence extérieure d'un arbre intérieur (57) traversant la douille de logement (56) ou encore que deux parties de palier (56b) sont réalisées d'une seule pièce l'une par rapport l'autre à des extrémités opposées l'une de l'autre du premier corps de cylindre (46b).
  7. Cylindre d'après une des revendications précédentes, caractérisé en ce que deux corps de cylindre (46, 47) ajustables l'un par rapport à l'autre présentent pour le mouvement d'entraínement des organes d'entraínement (37, 40) individuels et fixés pendant le service opérationnel en direction de travail par rapport au corps de cylindre (46, 47) respectif, en ce que notamment des organes d'entraínement (37, 40) sont réalisés pour un entraínement synchrone ainsi que réglable l'un par rapport à l'autre par un moyen de commande (50), tel qu'un engrenage planétaire et en ce que de préférence uniquement un corps de cylindre (47) présente un élément démultiplicateur (41) pour l'entraínement au moins d'un autre cylindre (12, 14) ou similaires.
  8. Moyen de pliage pour le pliage en unités de pliage (7, 8) de couches de feuilles en matériau de substratum (de 5 à 8) ou similaires avec au moins un cylindre (de 10 à 14) qui parcourt avec des zones de support (80, 81 ou encore 80a, 81 a), lesquelles déterminent des forces de support positives, pour le matériau (de 5 à 8) des trajets de marche et des trajets fonctionnels, caractérisé en ce que des moyens de commande (48, 50, 60) sont prévus pour la modification sur des trajets consécutifs des forces de support positives de la zone de support (80, 81 ou encore 80a, 81a) respective.
  9. Moyen de pliage d'après la revendication 8, caractérisé en ce que l'on prévoit un premier trajet en direction de travail à peu près à la suite d'une station de tronçonnage transversal ou encore de pré-pliage (15) avec une force de support supérieure par rapport à un deuxième trajet suivant, en ce que notamment un deuxième trajet dans le domaine d'une station de transfert ou encore de pliage (16) pour le matériau (6) fait suite au premier trajet et/ou en direction de travail à un troisième trajet suivant essentiellement sans forces de support et en ce que de préférence le troisième trajet s'étend en direction de travail essentiellement jusqu'au début du premier trajet.
  10. Moyen de pliage d'après la revendication 8 ou 9, caractérisé en ce que deux stations de transfert ou encore de pliage (16, 20) consécutives avec un certain écart en direction de travail sont associées à un cylindre (12) pour le transfert facultatif du matériau (6, 7) sous formation d'une pliure, en ce que notamment un cylindre (12) présente des moyens de formation extérieure de pliures (28), tels que des moyens de préhension (29), pour la formation facultative d'un premier pliage et d'un deuxième, présentant plus de couches par rapport au premier pliage et en ce que de préférence un cylindre (12) se trouve sur deux parcours en partie individuels ainsi que communs pour le matériau (de 6 à 8), c'est-à-dire sur un premier parcours plus court et un deuxième parcours prévu pour la formation d'un nombre supérieure de pliures par rapport au premier parcours.
EP96102517A 1995-03-03 1996-02-20 Cylindre pour appareil de pliage ainsi qu'un appareil de pliage Expired - Lifetime EP0729910B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19507351A DE19507351A1 (de) 1994-03-05 1995-03-03 Läufer für eine Falteinrichtung sowie Falteinrichtung
DE19507351 1995-03-03

Publications (3)

Publication Number Publication Date
EP0729910A2 EP0729910A2 (fr) 1996-09-04
EP0729910A3 EP0729910A3 (fr) 1997-06-11
EP0729910B1 true EP0729910B1 (fr) 2002-07-10

Family

ID=7755477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96102517A Expired - Lifetime EP0729910B1 (fr) 1995-03-03 1996-02-20 Cylindre pour appareil de pliage ainsi qu'un appareil de pliage

Country Status (3)

Country Link
US (1) US6024685A (fr)
EP (1) EP0729910B1 (fr)
ES (1) ES2179127T3 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6371902B1 (en) * 1996-09-30 2002-04-16 Winkler & Duennebier Maschinenfabrik Und Eisengiesserei Gmbh Method and apparatus for forming score lines on pre-cut envelope blanks
US6333775B1 (en) 1999-01-13 2001-12-25 Euv Llc Extreme-UV lithography vacuum chamber zone seal
FR2800722A1 (fr) * 1999-11-08 2001-05-11 Heidelberger Druckmasch Ag Systeme de maintien d'exemplaires de produits imprimes sur des cylindres guides-exemplaires, ainsi que cylindre et plieuse utilisant un tel systeme
DE10045372C2 (de) * 2000-05-17 2002-04-18 Koenig & Bauer Ag Falzapparat einer Rotationsdruckmaschine
WO2001087601A2 (fr) * 2000-05-17 2001-11-22 Koenig & Bauer Aktiengesellschaft Appareil de pliage
ITMI20011800A1 (it) * 2001-08-17 2003-02-17 Studio Design S A S Di Stefano Macchina per la produzione di materiale flessibile in fogli
US7008364B2 (en) * 2002-09-27 2006-03-07 C.G. Bretting Manufacturing Company, Inc. Sheet folding apparatus and method
ITFI20030085A1 (it) * 2003-03-28 2004-09-29 Tau Machines S R L Cilindro di piegatura per materiale in foglio e apparecchiatura piegatrice impiegante detto cilindro.
US20060229184A1 (en) * 2005-04-07 2006-10-12 Hewlett-Packard Development Company, L.P. Creaser
US8166857B2 (en) 2005-07-01 2012-05-01 Hewlett-Packard Development Company, L.P. Perforator
US7458927B2 (en) * 2005-10-07 2008-12-02 C.G. Bretting Manufacturing Co., Inc. Interfolder with pre-forming transfer roll
ITFI20110048A1 (it) * 2011-03-30 2012-10-01 Rent Srl Gruppo di piegatura per prodotti in foglio
ITFI20130235A1 (it) * 2013-10-10 2015-04-11 Rent Srl Gruppo di piegatura per prodotti in foglio
US10449746B2 (en) 2016-06-27 2019-10-22 C. G. Bretting Manufacturing Co., Inc. Web processing system with multiple folding arrangements fed by a single web handling arrangement
IT201800007517A1 (it) * 2018-07-26 2020-01-26 Mtc - Macch Trasformazione Carta Srl Rullo di aspirazione di tipo perfezionato per macchine per la trasformazione della carta
EP4247743A1 (fr) * 2020-11-20 2023-09-27 KÖRBER TISSUE FOLD S.r.l. Unité de pliage ou d'entrepliage d'une bande, ou feuille, de papier dans une machine de transformation de papier
EP4192773A1 (fr) * 2020-11-20 2023-06-14 KÖRBER TISSUE FOLD S.r.l. Cylindre aspirant d'une bande ou d'une feuille de papier dans une machine de conversion de papier

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE95399C (fr) *
DE649113C (de) * 1932-08-03 1937-08-14 Robert Giebeler Vorrichtung zum Querschneiden und Querfalzen von Papierservietten o. dgl. von der Rolle
US2353445A (en) * 1942-06-03 1944-07-11 Goss Printing Press Co Ltd Folding and delivery mechanism
US2463769A (en) * 1945-02-21 1949-03-08 Hoe & Co R Method of printing and binding books
US2435881A (en) * 1945-11-28 1948-02-10 Time Inc Web folding mechanism
US2941798A (en) * 1958-12-18 1960-06-21 Hess And Barker Sheet cutting and folding machine
DE1436506B2 (de) * 1964-09-15 1971-09-02 Huck, William F , Forest Hills, NY (V St A ) Maschine zum formen eines schnellaufenden flexiblen bandes in ein sich periodisch wiederholendes muster insbesondere zum zerschneiden in blaetter oder zum perforieren
US3338575A (en) * 1965-03-10 1967-08-29 Paper Converting Machine Co Web lapping apparatus
US3689061A (en) * 1970-07-02 1972-09-05 Paper Converting Machine Co System for folding napkins
DE2123243A1 (de) * 1971-05-11 1972-11-16 Hupfauf, Lorenz, 8510 Fürth Verfahren und Vorrichtung zum Schneiden oder Falten von Bahnen aus Papier-, Zellstoff od. dgl
US3870292A (en) * 1973-03-16 1975-03-11 Paper Converting Machine Co Method and apparatus for transverse folding of webs
GB1515349A (en) * 1975-07-21 1978-06-21 Kawanoe Zoki Kk Material folding apparatus
CH598110A5 (fr) * 1975-10-10 1978-04-28 Gretag Ag
US4159823A (en) * 1977-08-12 1979-07-03 Wood Industries, Inc. Multiple product folder
JPS5610756Y2 (fr) * 1978-02-27 1981-03-11
DE2920707C2 (de) * 1979-05-22 1990-05-31 Jagenberg-Werke AG, 4000 Düsseldorf Verfahren und Doppeltragwalzen-Wickelmaschine zum automatischen Trennen und Anwickeln einer Warenbahn
FR2508880A1 (fr) * 1981-07-01 1983-01-07 Chambre Jean Paul Dispositif permettant de plier des feuilles de materiau plat, en particulier des feuilles de papier
US4475730A (en) * 1983-03-23 1984-10-09 C.G. Bretting Mfg. Co., Inc. Apparatus for folding and stacking paper products
US4521209A (en) * 1983-04-22 1985-06-04 Paper Converting Machine Company Apparatus and method for transverse folding of webs
US4519597A (en) * 1984-05-10 1985-05-28 The Lehigh Press, Inc. Folding apparatus with compound tucker blade motion
DE3628411A1 (de) * 1986-08-21 1988-02-25 Frankenthal Ag Albert Falzapparat
IT1213807B (it) * 1987-07-28 1990-01-05 Perini Finanziaria Spa Apparecchiatura per la produzione ed il confezionamento di tovagliolini da nastro continuo in carta od altro
US4820249A (en) * 1988-02-22 1989-04-11 Amplas, Inc. Multiple seam forming apparatus for continuously running webs
DE3923436A1 (de) * 1989-07-15 1991-01-24 Winkler Duennebier Kg Masch Verfahren und vorrichtung zum herstellen von papierstapeln
DE9017695U1 (de) * 1990-07-20 1991-12-19 H. Berthold AG, 12247 Berlin Einrichtung zum Transport und Festhalten von Vorlagen und Aufzeichnungsmaterial
DE9205154U1 (de) * 1992-04-14 1992-06-04 Florian Bauer GmbH & Co. Maschinenbau KG, 5030 Hürth Saugwalze
DE4407375A1 (de) * 1994-03-05 1995-09-07 Bielomatik Leuze & Co Falteinrichtung für Blattlagen
US5522586A (en) * 1994-09-07 1996-06-04 Rockwell International Corporation Folding apparatus with multiple speed folding jaw cylinder

Also Published As

Publication number Publication date
EP0729910A3 (fr) 1997-06-11
EP0729910A2 (fr) 1996-09-04
ES2179127T3 (es) 2003-01-16
US6024685A (en) 2000-02-15

Similar Documents

Publication Publication Date Title
EP0729910B1 (fr) Cylindre pour appareil de pliage ainsi qu'un appareil de pliage
EP0408912B1 (fr) Procédé et dispositif pour fabriquer des piles de papier
DE69909978T2 (de) Perforiervorrichtung mit messerwelle mit ungleichmässig verteilten perforiermessern
DE69212348T2 (de) Seitenfaltvorrichtung mit Unterdruck für Umschlagfaltapparat
DE3685951T2 (de) Apparat zum ineinanderfalten.
EP1655256B2 (fr) Procédé pour préréglage d'une machine d'impression et d'outils d'usinage de bande
DE60211175T2 (de) Vorrichtung zur herstellung von flexiblen bogen
DE3628411A1 (de) Falzapparat
EP1742864B1 (fr) Appareil de pliage pour l'assemblage
DE2811963A1 (de) Bogenauslagevorrichtung an druckmaschinen
DE4244786C2 (de) Einrichtung zum Verschieben von Schneidemesserleisten auf einem Schneidzylinder einer Rotationsdruckmaschine
EP1415804A1 (fr) Rouleau de transfert pour une machine travaillant des feuilles à imprimer
DE4417493A1 (de) Querschneider für Materialbahnen, insbesondere Papier-Formatquerschneider
DE19518650C1 (de) Schneidvorrichtung
DE3832595A1 (de) Verfahren und vorrichtung zur herstellung von zick-zack-foermig ineinandergefalteten tuechern
WO1994025384A1 (fr) Dispositif permettant de transferer et d'empiler des feuilles
DE102008043758A1 (de) Vorrichtung und Verfahren zur Herstellung von Säcken aus Schlauchstücken, welche vorzugsweise Gewebe aus gereckten Kunststoffbändchen umfassen und aus zwei übereinander liegenden Wandungen bestehen
DE636666C (de) Kombinierte Zylinder-Vorfalz- und -Zickzackfalzvorrichtungen zum Herstellen wechselseitig gefalteter Formularbaender o. dgl. aus Papierbahnen
DE102006057453B4 (de) Falzapparat
DE19507351A1 (de) Läufer für eine Falteinrichtung sowie Falteinrichtung
DE4407375A1 (de) Falteinrichtung für Blattlagen
EP1345827A1 (fr) Dispositif pour faire pivoter des objets plats, notamment des elements decoupes de boites pliantes
DE60313466T2 (de) Maschine zur verarbeitung von folien mit quer zu ihrer vorwärtsbewegungsrichtung verlaufenden ausschnitten oder falten
EP1029640A2 (fr) Dispositif pour opérer de façon transversale sur une couche de matériau, en particulier pour découper transversalement du papier
EP1515894A1 (fr) Installation servant a emballer une bande souple disposee en couches de boucles en zigzag, en particulier d'une bande textile

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE ES FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE ES FR GB IT NL

17P Request for examination filed

Effective date: 19971113

17Q First examination report despatched

Effective date: 20000724

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: WINKLER + DUENNEBIER AKTIENGESELLSCHAFT

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT NL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020710

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020710

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020710

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 59609424

Country of ref document: DE

Date of ref document: 20020814

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20020710

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2179127

Country of ref document: ES

Kind code of ref document: T3

EN Fr: translation not filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20030411

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20040223

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20040315

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050901

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20050221