EP2411309A1 - Procédé pour faire fonctionner une plieuse longitudinale présentant une lame de pliage et une table de pliage et plieuse longitudinale - Google Patents

Procédé pour faire fonctionner une plieuse longitudinale présentant une lame de pliage et une table de pliage et plieuse longitudinale

Info

Publication number
EP2411309A1
EP2411309A1 EP09801213A EP09801213A EP2411309A1 EP 2411309 A1 EP2411309 A1 EP 2411309A1 EP 09801213 A EP09801213 A EP 09801213A EP 09801213 A EP09801213 A EP 09801213A EP 2411309 A1 EP2411309 A1 EP 2411309A1
Authority
EP
European Patent Office
Prior art keywords
folding
product
phase
folding blade
products
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.)
Granted
Application number
EP09801213A
Other languages
German (de)
English (en)
Other versions
EP2411309B1 (fr
Inventor
Markus Wilhelm Decker
Klaus Friederich
Christof Horst HÖGER
Holger Ratz
Gerd Weiler
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP2411309A1 publication Critical patent/EP2411309A1/fr
Application granted granted Critical
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Links

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
    • B65H45/18—Oscillating or reciprocating blade folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • B65H43/08—Photoelectric devices
    • 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
    • B65H9/14—Retarding or controlling the forward movement of articles as they approach stops
    • 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
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/56—Flexible surface
    • B65H2404/561—Bristles, brushes
    • 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
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/514—Particular portion of element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B65H2513/51—Sequence of process
    • 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
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1311—Edges leading edge

Definitions

  • the invention relates to a method for operating a folding blade having a folding blade and a longitudinal folding apparatus and a longitudinal folding apparatus according to the preamble of claim 1 and 33, respectively.
  • a Leksfalzapparat wherein the folding table on each side of the folding blade a braking device, for.
  • a brake brush is provided so as to prevent the product to be folded comes to rest at full speed on the stop. Instead, the product should be braked in a defined manner via the braking device and aligned in a defined manner against the stop.
  • Each brake brush is in this case mounted on a holder and adjustable via actuators, wherein the two brake devices are connected in such a way that they can be moved away from the folding table together.
  • DE 694 00 629 T2 discloses a longitudinal folding device with a folding blade and the folding area on the folding table limiting stop. Furthermore, a brush brake device is provided with brushes, wherein a servo unit is provided for adjusting the brush pressure for each brush or brush group.
  • Two transverse to the product direction sensor systems are provided on both sides of the folding blade, which on a product path side each of a plurality of in the transport direction to z. B. 1 mm spaced detectors, as well as on the other product path side of the respective sensor system illuminating infrared source. The measuring range of these sensor systems extends over an area in front of the stop and on the product side.
  • the folding blade moves out of phase with the printed product feed, so that it moves down to engage the top of each printed product when it is fully in the fold region, with the leading edge directly against or very close to the stop face comes.
  • the braking effect can be regulated by changing the phase adjustment of its folding movement.
  • DE 198 56 373 A1 relates to an early warning system and method for detecting jams of printed signatures.
  • sets of sensors are provided after the cross cutter of the transverse folder and in each case upstream of two longitudinal folding devices. If an inclined position is detected, an error message is output and the printing press is slowed down or stopped.
  • DE 100 63 528 A1 discloses a method and a device for determining the accuracy of a folded position, wherein markings printed on the scale flow in the product display are detected, via whose relative position to the folding back a statement about the folding quality is to be made. This can serve as an aid to the operator in fault diagnosis and also allows feedback of the folding accuracy to the folder. If errors such as oblique folding or protruding paper occur measures to increase the folding accuracy can be initiated, such. As a correction of a phase position of folding blade to jaw, a control of a speed of the shingled transporting transport element, or even shutdown of the printing press.
  • a Taschenfalz sensible is disclosed with a sensor, wherein the sensor or two transverse to the transport direction sensors characterize the process of impingement of the leading edge of the workpiece.
  • the sensor or the sensors can be designed as a microphone, as an acceleration sensor, as a stretch measuring strip, or in the manner of ultrasonic sensors. In the latter case, the orientation of an orientation signal characterizing the pocket stop to be moved to the leading edge should be able to be generated.
  • adjusting means are controlled for adjusting the orientation of the pocket stop.
  • DE 32 34 148 A1 relates to a method and apparatus for testing folded sheets on deviations of the fold line to the desired folding line in dependence on the type in Pocket or knife folders.
  • two spaced transversely to the current sensors are provided in the stream of folded products, which detect the distances between the product applied to the folding marks and the folded edge, from this information, an evaluation calculates a mean deviation from the setpoint for length and angle deviations of the fold break, indicating and / or to control the machine.
  • a targeted correction of adjusted machine values is possible.
  • the invention has for its object to provide an improved method for longitudinal folding of a product on a folding table of a longitudinal folder and a suitable L jossfalzapparat for this purpose.
  • a control concept based on the modes of operation and / or phases allows optimal adaptation to the requirements.
  • Fig. 1 is a schematic sectional view of a longitudinal folding apparatus
  • Fig. 2 is a schematic side view of a longitudinal folding apparatus
  • Fig. 3 is a schematic plan view of the folding table of a longitudinal folding apparatus
  • Fig. 4 is a schematic plan view of the folding table a Leksfalzapparates with a product that is just starting up;
  • Fig. 5 is a schematic plan view of the folding table of a longitudinal folding apparatus with a sloping incoming product
  • FIG. 6 is a schematic representation of a control device
  • FIG. 7 shows schematic representations of control stages or modes of operation of the longitudinal folding apparatus a), b) and c);
  • Fig. 1 1 is a perspective view of an advantageous embodiment of the longitudinal folding apparatus
  • FIG. 12 is a perspective view of the embodiment of the longitudinal folding apparatus of FIG. 11 with the braking device pivoted off;
  • FIG. 13 shows a representation according to FIG. 12 from a different perspective
  • Fig. 14 is a longitudinal section of the embodiment of the longitudinal folding apparatus of Fig. 1 1;
  • Fig. 15 shows a cross section of the embodiment of the longitudinal folding apparatus of Fig. 1 1.
  • Fig. 1 shows a longitudinal folder Faltapparat 01, short folder 01, running Processing stage 01 in a simplified sectional view (without details described in more detail below, such as brush systems), Fig. 2 in a simplified side view and Fig. 3 to 5 schematically in plan view.
  • the longitudinal folding apparatus 01 comprises a folding table 02 or an upper side of the folding table 02, in which an elongate folding gap 06, in particular parallel to a first transport direction T1 of a product 03 entering the longitudinal folding apparatus 01 from an inlet side 18, is provided.
  • This product 03 or intermediate 03 provides z.
  • B. a possibly previously already longitudinally and / or transversely folded product portion of a web-processing machine, preferably a printing press, in particular a web-fed rotary printing press, printed product printed.
  • a pair of folding rollers 07 (FIGS. 1, 2 and 3) are arranged such that they form a gap which is oriented parallel to the folding gap 06 and located directly below it.
  • a folding blade 04 likewise oriented parallel to the folding gap 06, is provided, which plunges into the folding gap 06 by up and down movement and leaves it again upwards.
  • pivotable lever 08 z. B. folding lever 08, be stored, which carry the folding blade 04. With pivoting of the folding lever 08, the folding blade 04 can penetrate into the folding gap 06.
  • a one-piece or segment-like stop device 09 is provided in an active position limiting the path of the product 03, wherein the stop surface facing a product 03 - one or more parts - essentially in a line transverse to the orientation of the folding gap 06 runs.
  • the folding blade 04 is - in contrast to a rotating knife - preferably in the manner of a.
  • the folding table 02 relative to the folding table 02 movable up and down, z. B. pivotable, knife 04 executed.
  • the knife 04 is z. B. mounted on the folding levers 08, which in turn with respect to.
  • the folding table 02 are pivotally mounted about an axis 1 1.
  • the knife 04 but also as be arranged eccentrically on a continuously rotating body rotation. It may also be arranged eccentrically on a revolving planetary gear.
  • a drive motor 17 is provided for the movement of the folding blade 04, regardless of its mechanical or physical expression, mechanically from the drive of the upstream units (such as the drive of printing units and / or the drive of a Querfalzapparates and / or the drive of the folding process upstream conveyors) independent drive, in particular one of these units independent drive means 17, z. B. a drive motor 17, is provided.
  • the folding blade 04 is preferably driven by a cam gear.
  • the folding blade 04 is arranged on the lever 08, which at a pivot point, for. B. the axis 1 1, is pivotally mounted.
  • the lever 08 may be either a lever arm 08 of a lever designed as a double lever with a second lever arm 12, or may be formed as a one-armed lever, then with the rotatably mounted axle 1 1, the second lever 12 is rotatably connected.
  • At the fulcrum distal end of the second lever 12 (or second lever arm 12) is a with the curved line of a rotatable body 13, z. B. a cam 13, cooperating stop 14, z. B. designed as rotatably mounted on the lever 12 roller 14, arranged.
  • the cam 13 is rotatably mounted on a shaft 16 which is rotatably driven directly or via a gear through the only schematically indicated drive motor 17.
  • the cam 13 may preferably be one with respect to its axis of rotation Have irregular and asymmetrically formed curve line, which then causes a corresponding movement of the folding blade 04 during rotation on the crank gear (levers 08 and 12).
  • the cam plate 13 is formed as a circular disk with a circular peripheral line, which, however, is arranged eccentrically on the shaft 16.
  • the cam plate 13 is formed, its rotation causes a defined up and down movement of the folding blade 04, the motion profile fixed at constant rotation of the shaft 16 and the drive motor 17, the speed for the flow of this fixed motion profile, however, depending From the drive speed of the shaft 16 and the drive motor 17 is variable.
  • the knife 04 thus continuously traverses during operation in its up and down movement a periodically recurring motion profile with the phase length (period length) a complete up and down movement to the next same phase position with the same direction of motion and their frequency by the default the drive speed of the shaft 16 and the drive motor 17 is determined and preferably is variable.
  • the folding blade 04 is thus provided with a conveying and / or production device (such as conveying conveyor or conveyor belts feeding the product 03) and / or printing units and / or an upstream transverse folding apparatus, which is mechanically upstream from the longitudinal folding apparatus 01 , z. B. own drive means 17 assigned.
  • the drive means 17 can then be carried out in the above-mentioned manner as a drive motor 17, which via a transmission, for. B. cam mechanism, an eccentric or a crank mechanism, the folding blade 04 clocked to a desired position of a product 03 on the folding table 02 lowers or raises.
  • the drive motor 17 via a mechanical drive connection, z. B.
  • the folding rollers 07 rotatably driven.
  • the paddle wheel 21 and / or possibly even the delivery device 22 could be driven by the drive motor 17 via corresponding drive connections.
  • the paddle wheel 21, however, has its own, not shown Drive motor on.
  • a holding brake which rotatably with a motor shaft or the folding blade drive, z. B. the shaft 16 or the cam 13, connected brake disc cooperates.
  • the control of the drive 17 is effected for example by a folding blade drive (and / or, if these are jointly driven the Falzwalzenantrieb), in Fig. 1 only schematically indicated as a box control and / or regulating device 10, or briefly control device 10, which under Use of information explained in more detail below with respect to a speed V of the printing press or a conveying path conveying the product 03 to and / or into the folding apparatus 01 and / or using information from sensors Sx (see below) controls the drive of the folding blade 04 in such a manner, the movement of the folding blade 04 is synchronized with the product flow of the products 03 entering the longitudinal folder 01 in a desired manner and if necessary the synchronization in its relative phase position ⁇ is intentionally varied or corrected (see below).
  • the drive of the folding blade 04 in the stationary operating state preferably takes place with respect to its folding frequency synchronized with the product flow to be fed to the folding device 01.
  • this synchronization can basically take place at a speed V of the upstream printing machine or to its drives, for example, B. on an aggregate of the printing press, be oriented to an upstream folder or an upstream, the products 03 conveying conveyor line.
  • the basic synchronization with respect to the folding frequency, z. B. the rotational speed of the drive motor 17, can in a simpler version, for example via signal generator to upstream systems, eg. B. on a moving part of the conveyor line, or on the frequency of the incoming products 03 or as described below, carried out via an electronic master axis.
  • the at least rotationally synchronous drive of the folding knife 04 advantageously takes place on the basis of data, in particular speed and / or angular position-relevant data.
  • This data can be based on angular positions of a rotating master axis, on angular velocities and / or on a velocity preset, which is indicated as circumferential angular position ⁇ (t) or generalized as velocity V in FIG are processed, for example, in a control module 23 assigned to the drive motor 17 for the direct control of the drive motor 17 or a control circuit that regulates the position and / or speed of the drive motor 17.
  • the control module 23 can be used as a purely software-controlled control process 23 within a plurality of such or such a nersgeartete control processes containing Sterer observed or as a structurally separate unit, eg. B. with its own housing or as a plug-in card, as so-called.
  • this can be arranged (partially) centrally and with close proximity to the drive (eg integrated in the drive control 23) or together with corresponding controls for other drives.
  • the control module 23 as part of a generally designated control device 10 control device whose components in a common control means, for.
  • logic circuitry eg., PLC
  • data processing means eg, computer, PC
  • logic circuits eg, PLCs
  • data processing means eg, computer, PC
  • the relative phase position between the incoming product 03 and the phase position of the folding blade 04 for the folding process of considerable importance is ensured by an above-mentioned offset value ⁇ , which z. B. before or at the beginning of production manually or automatically determined and / or adjustable, as can be done, for example, in the manner explained below.
  • the above-to-be-set target relative position ⁇ R goes z. B. in the offset value ⁇ or corresponds to this even in the event that no other geometrically caused offset sizes are taken into account.
  • the desired relative position ⁇ R to be set can be monitored and maintained by means of a control circuit which compares and possibly corrects the product flow (eg by means of an input-side sensor SO) and the folding blade phase position (eg on the drive thereof).
  • a correspondingly synchronized operation with regard to a target relative position ⁇ R to be maintained can then be carried out, for example, as follows:
  • the longitudinal folder 01 or its folding blade 04 is driven by the drive motor 17 by the conveying path which is mechanically independent of the upstream product conveyor 03.
  • deviation of the relative phase position ie the actual relative position ⁇
  • the angular position ⁇ A of the folding blade drive eg the drive or the drive motor 17, from the previously defined target Relative position ⁇ R is corrected by a relative phase change between conveyor track drive and folding blade drive, for example by relative rotation of the folding blade drive by a correction angle ⁇
  • This can be done, for example, by the drive motor 17 driving the folding blade 04, depending on the deviation time-limited faster or slower than the speed V, eg the speed corresponding to the machine speed or the conveying speed, until the desired relative position ⁇ R is restored, for example in the case of the above-mentioned embodiment with electronic master axis the offset value ⁇ becomes corresponding varies by a correction value to the target relative position .DELTA. ⁇ R or to restore the resulting target angular position ⁇ s .
  • This inner control circuit for maintaining a predetermined target relative position ⁇ R or target angular position ⁇ s is not specifically shown in FIG.
  • this control circuit thus controls, depending on the time of arrival of the product 03 at a designated sensor, for. B. by means of a folding blade 04 upstream sensor SO, the phase position of the folding blade 04, in particular its drive motor 17, relative to the product 03.
  • the entry or possibly exits a product 03 representing signal is detected, a to When the signal is taken angular position ⁇ A of the drive motor 17 detected, z. B.
  • the operation of the longitudinal folder 01 in such a way that a first touch of the subsidized product 03 is performed by the folding blade 04, while the product 03 on the folding table 02 is still moving and before the stop 09; (or 46, see below).
  • a (“basic") synchronization of the folding blade phase with the product phase may be advantageous, whereby, for example, a product 03 is first conveyed to an intended contact position on the folding table 02 at a lower installation speed compared to a production speed, and after reaching the intended contact position at stationary conveyor line of the drive or drive motor 17 of the folding blade 04 is rotated until the folding blade 04 in the movement phase on the product 03 to this just touched or is about to touch (first contact). the position occupied for the contact position angular position ⁇ a of Falzmesserantriebes or drive motor 17 as a zero-angle position held (for the Abfalzzeithui), then z is active conveying section.
  • the angular position ⁇ A of the drive or drive motor 17 is determined as the reference position ⁇ R , and from the zero position and the reference position ⁇ R the desired relative position ⁇ R (desired reference phase position ⁇ R ) predetermined for the further operation is formed. This is then complied with via the above-mentioned control circuit.
  • Relative position ⁇ R is operated according to angular position. This the drive motor 17 associated desired relative position ⁇ R (possibly on the offset value ⁇ ) could then in principle for a production run or even generally maintained and maintained. However, a procedure explained in more detail below is advantageous, according to which the desired relative position ⁇ R or the offset value ⁇ containing it - and thus the folding time or the time and / or location of the first contact between product 03 and folding blade 04 on the folding table 02 - too Control purposes of the folding process is varied specifically.
  • the determination of such a correction value k ⁇ ; k ⁇ can, as explained in more detail below, in a control module 51 (possibly also just a software control process) directly from deposited relationships with the production process data M (eg production phase and / or speed and / or product strength and / or used Substrate), z.
  • the process module 51 is in the z. B. as a drive control 23 executed control module 23 is shown integrated, but can also be as integrated into another device or independent, but signal technology connected to the control module 23 or guided from the control module 23 to the drive motor 17 angle signal module connected.
  • the target angular position ⁇ s (T) in the appropriately designed control device 10 thus preferably from the Leitachswinkellage ⁇ (t) using a possibly required gear factor G and an offset value ⁇ the latter being formed either by a correction value k ⁇ ; k ⁇ variable default for the relative position ⁇ R itself is varied or finds the variable default for the relative position ⁇ R separately in another way in the algorithm account for determining the target angular position ⁇ s (T). As indicated in Fig. 6, z.
  • this procedure is also based on a control of the drive, which is based only on a predetermined speed or speed setpoint by the master axis.
  • a control of the drive which is based only on a predetermined speed or speed setpoint by the master axis.
  • at least one reference angle signal per motor revolution and / or per folding blade cycle must be available for phase adjustment.
  • a variation of the relative phase position can then by a time-limited variation of the speed specification via a corresponding offset or correction value ⁇ ; k ⁇ ; k ⁇ done.
  • the driving means 17 designed as a drive motor 17 is thus at least as regards. Its speed controllable drive motor 17, z. B. electric motor formed. In an advantageous development, it is designed as a stepping motor or even preferably as a drive motor 17 which is adjustable with respect to its angular position.
  • the design of the drive motor 17 as at least with respect to its speed or with respect to a relative change in position (defined steps) or preferably with respect to an absolute angular position adjustable drive motor 17 is particularly advantageous in view of the below-described method (s) for adjustment and / or varying the synchronization of folding blade movement with respect to product position and / or changing operating parameters (eg, machine speed, machine acceleration, product properties, etc.).
  • the drive of the folding blade 03 may be mechanically coupled to upstream conveying and / or production facilities (see above), with a relative speed and / or relative phase relation to the upstream units, however, z. B. via a remote continuously variable in the gearbox variable transmission in the drive branch to drive the blade 04 back, is changeable and controllable.
  • a relative speed and / or relative phase relation to the upstream units is changeable and controllable.
  • the above-presented electronic master axis would be effected by the mechanical drive connection and would be omitted.
  • the sensor SO, z. B. be provided in the transport direction T1 in front of the folding gap 06, which is connected to the control device 10, and due to the product passage signals described the basic triggering of the folding blade drive.
  • one of the sensors or measuring points or measuring points S1 to S4, S7 or S8 mentioned below, in particular possibly S3 and / or S4, could also use a corresponding signal for its further processing in a manner described for the sensor SO.
  • This is then z. B. as described by means of the comparison of the phase position of the sensor SO or the alternatively used sensor, for. B. S3, passing or entering products 03 and the phase angle of the folding blade drive, z. B.
  • the relative position of these phases is constantly checked and compared with the desired relative position ⁇ R.
  • the processes governing the other the folding time point can then be used as the correction value k ⁇ ; k ⁇ with respect to the desired relative position ⁇ R be considered.
  • the described setting and triggering of the phase position of the folding blade 04 to the product flow is preferably supplemented by one or more of the methods described below.
  • measures are shown below, which already considered individually for themselves, but in particular in combination of several of these measures are of particular advantage.
  • the measures relate to corresponding embodiments of the longitudinal folder 01 and procedures for operating the folder 01.
  • the folder 01 is an ideal folding time or an ideal folding location despite varying production speeds V and / or different products 03 (thickness, material) ensured by a subsequently explained device and method for controlling the folding time.
  • At least a first and a second sensor S1 which detects the presence of the product 03 in the respective detection area (measuring location) on the folding table 02; S2 (or measuring location S1; S2), which are viewed in the transport direction T1 spaced from each other.
  • At the outputs is z. B. in each case between a presence and absence of the product 03 am by the relevant sensor S1; S2 monitored location S1; S2 distinguishable and a corresponding signal m1; m2 or measurement signal m1; m2, z. B. digital as "1” or "0” or at least with respect to "yes” or “no” dual evaluable signal, can be tapped.
  • the two sensors S1 to be evaluated; S2 or measuring locations S1; S2 are significantly spaced apart in the transporting direction T1, but preferably adjacent to each other in the direction of transport T1, ie without the need for further measurement sites arranged therebetween.
  • they preferably do not provide spatial resolution as compared to photodiode arrays, line or area cameras, but are preferably singular spaced measuring locations S1; They limit a so-called "catch area" whose boundaries they monitor.For the purpose and method described here, they are not used in the context of, for example, distance measurements for a stop or a speed measurement.
  • a first sensor S1 is provided directly on or directly in front of the surface of the stop device 09 which acts as a stop surface, or at least arranged such that it detects the presence of the product 03 on the folding table 02 directly at or directly in front of the stop surface at a measuring location S1.
  • Sensor S1 or its measuring location S1 are not at all, or z. B. at most 10 mm, preferably at most 5 mm in front of the surface effective as a stop surface of the stop device 09 spaced.
  • the sensor S1 or its measuring location S1 is preferably at the same time as close as possible, for. B.
  • a1 of 100 mm advantageously at most 50 mm, preferably at most 15 mm spaced from a passing through the longitudinal direction of the folding blade 04, preferably arranged substantially vertically extending plane E.
  • a second sensor S2 is provided, which or its measuring location S2 considered in the transport direction T1 z. B. at least by 3 mm, but at most by a distance a1, 2 of 20 mm, advantageously by at most 10 mm, preferably by 3 mm to 8 mm, from the stop surface of the stop device 09 or the first sensor S1 and / or transversely to the transport direction T1 considers z. B. by a distance a2 of at most 50 mm, advantageously at most 20 mm, preferably at most 10 mm, from the plane E or in the presence of the sensor S1 from the sensor S1 or its measuring location S1 is spaced.
  • the products to be abfalzenden 03 with its leading end z For example, in a so-called “capture region" between sensor S1 and sensor S2, the rule principle applies here: Sensor S1 should / must not “see”, ie the product 03 to be removed must not be detected at the measuring location S1 of the first sensor S1, and sensor S2 should see, ie each product 03 is to be folded before or at least during folding at the measuring location S2 of the second This position is achieved by the temporal displacement of the contact between folding blade 04 and product 03, and is maintained during this mode of operation, in that the point of contact or location relative to the product 03 to be folded (" Folding time "), ie the relative phase ⁇ between product entry and Falzmesserphasenlage is selectively changed.
  • the automatic startup (especially synchronous with the upstream Web-fed rotary printing machine z. B. on the electronic master axis) is in several, z. B. four, operations or stages divided.
  • a first mode of operation represents, for example, an acceleration phase of the machine.
  • the production speed V and, associated therewith, the frequency of the incoming products 03, z. B. increases along a predetermined curve or ramp.
  • the point of contact of the folding blade 04 to the product 03 is successively and consciously from the stop 46; (09) regulated away, d. H.
  • a later point in time for a lower production speed V and an earlier time of first contact for a higher production speed V are regulated in such a way that no contact or at most a contact of the stop 46; (09) without significant speed, d. H. a speed of substantially 0 m / s, z. B. less than 0.3 m / s, in particular less than 0.1 m / s, takes place.
  • photosensor S1 on or directly in front of the stop 46; (09) (see above) detects a product leading edge og target relative position ⁇ R or the offset value ⁇ containing this with a correction value k ⁇ 2; (k ⁇ 2) is applied.
  • the previously changed target relative position ⁇ R or the changed offset value ⁇ containing it is again compared with the correction value k ⁇ 2; (k ⁇ 2) applied.
  • This correction value k ⁇ 2; (k ⁇ 2) can be stored in memory, e.g. As a memory of the controller 10, the control module 51 or a machine control, held and preferably be changed.
  • a second advantageous mode of operation (eg, a second stage of a production cycle) ( Figure 7b)) describes e.g. B. a constant production speed V, for example, below a certain second limit speed V2, z. B. V2 ⁇ 45,000 copies / hour, can lie.
  • V2 the production speed
  • V2 the sensor S1 stops at stop 46
  • the application time of the folding blade 04 to stop 46 (09) regulated out, ie, for example, the folding blade drive delayed (correction of the existing target relative position ⁇ R ).
  • This is done again by successively applying the current desired relative position ⁇ R with a, here z.
  • the product 03 touches the stop 46; (09) either not yet or at least without significant speed, ie a speed of substantially 0 m / s, z. B. less than 0.3 m / s, in particular less than 0.1 m / s. It is advantageous if an additional manual correction of the folding blade position to or away from Stop 46; (09), ie a manual change of the obtained target relative position ⁇ R is feasible.
  • V production speed
  • z. B. smaller V2 the product 03 is thus on or in the immediate vicinity of the stop 46; (09) positioned and folded. The product 03 then has no or only slight contact with the stop 46; (09).
  • the production speed V is again constant.
  • the stopper 46; (09) can be here, z. B., be turned off.
  • the Abfalzposition is from the sensor S1 on or just before the stop 46; (09) and the second sensor S2, the z. B. about 5 mm before the stop 46; (09) sits, monitors.
  • a product leading edge is the point of contact of the folding blade 04 z. B. by Beauscherung the target relative position ⁇ R with a correction value k ⁇ 3; (k ⁇ 3) due to the signals of the sensor S1 from the stop 46; (09) away, ie the date of first contact moved forward.
  • the z. B. from the product cycle (speed) may be dependent, no more detected products 03, the point of contact is again stop 46; (09), so z. B. the relative angular position of the drive, again regulated in the other direction.
  • the stopper 46; (09) may be on or preferably off.
  • Another, z. B. fourth operation (or stage), not shown, describes the deceleration of the machine, ie a mode with negative acceleration. At the When decelerating, the products 03 tend to lag because the energy to propel the product 03 forward is constantly decreasing.
  • the signals m1; m2 of the sensor S1 which detects the arrival time and the products 03 at the stop 46; (09) monitors, and the second sensor S2, the products 03 just before the first sensor S1 and before the stop 46; (09) monitors, on a z. B. digital input of a regulator, z. B. a control loop of the drive control 23 or o. G. Process module 51, to be given.
  • the signals m2 of the second sensor S2 and the signals m1 of the first sensor S1 are z. B. detected by a probe function of the control unit on two probes.
  • the probe function for probes 1 and 2 is z. B. set via an integrated PLC of the drive control 23 and z. B., when the drive controller 23 has reached the operating mode.
  • the longitudinal folder 01 in particular advantageous in connection with one or more of the aforementioned embodiments, additionally comprises one or more devices and / or procedures for monitoring and correcting a skew of lying on the folding table 02 libilszufalzenden product 03 and / or an inclined position of the folding rollers 07 leaving longitudinally folded product 03 (FIGS. 5 and 10).
  • lekszufalzenden product 03 is in the longitudinal folder 01 above the folding table 02 at least one braking device 24; 36 provided, which at least two transverse to the transport direction T1 spaced apart, in particular on both sides of the folding gap 06, arranged Abbrems institute 31; 32; 33; 34 or groups 26; 27; 28; 29 of braking elements 31; 32; 33; 34, which in an advantageous embodiment, for. B. as brushes 31; 32; 33; 34 or brush groups 26; 27; 28; 29 are formed. These are able to decelerate during the passage of a product 03, in particular over friction.
  • At least two on both sides of the folding gap 06 arranged Abbrems institute 31; 32 or groups 26; 27 of braking elements 31; 32 independently variable in their distance from the folding table 02 and the Falztischoberseite and / or the product 03.
  • Abbrems institute 31; 32 or groups 26; 27 one Approach closer braking device 24 application.
  • the Abbremsetti 31 independently formed changeable in their distance from the folding table 02; 32; 33; 34 or groups 26; 27; 28; 29 of braking elements 31; 32; 33; 34 preferably have independently operable actuators 41; 42; 43; 44, z. B. drives 41; 42; 43; 44 on.
  • two sensors S3 and S4 (or measuring location S3; S4) detecting the presence of the product 03 on the folding table 02 are provided (see FIG. 3), which or their measuring points S3; S4 transversely to the transport direction T1 viewed from each other by a distance a3,4, z. B. by at least 100 mm, advantageously by at least 150 mm, preferably by 150 mm to 250 mm, are spaced.
  • the two sensors S3 and S4 or their measuring points S3; S4 are preferably arranged equidistantly on both sides of a plane E passing through the longitudinal direction of the folding blade 04, in particular to this plane E approximately (i.e., to ⁇ 10 mm deviation). They or their measuring points S3; S4 are preferably arranged in a same, perpendicular to the transport direction T1 and / or perpendicular to the plane E running escape. Furthermore, they can advantageously be arranged in a substantially same vertical distance aO3, in particular aO3 of 3 mm to 10 mm, to a product 03 resting on the folding table 02 between folding table 02 and sensor S3 or S4.
  • the two sensors S3; S4 or measuring points S3; S4 are viewed in the transport direction T1 preferably at a distance aT1 to the position of the stop surface in the active state of the stop device 09; (46) which is at least 20 mm, advantageously at least 30 mm, preferably between 30 mm and 200 mm, in particular about 40 mm. However, they are advantageous in the transport direction T1, however, area of the folding table 02, that is arranged between the input area of the inlet side 18 and stop device 09 and the above-mentioned distance.
  • the both sensors S3; S4 or measuring points S3; S4 viewed in the transport direction T1 at a height in the region of the immersion length of the folding blade 04, in particular at the level of a braking device 36; 24, ie, for example transversely to the transport device T1 considered with the immersion length or a length L33 of Abbrems instituten 31; 32; 33; 34 arranged overlapping.
  • the sensors S3 and S4 or their evaluation means detect a time offset during the passage of the leading edge of the product. Is a deviation .DELTA.t1 in the time offset from a desired time offset, z. B. in several successive products 03, present, the drive 41 to 44, z. B.
  • the drive 41 to 44 eg drive 41 or 42, the side on which the product edge is recognized as the second one d, "his" brush group 26; 27; 28; 29 and brushes 31; 32; 33; 34, in particular brushes 31 or 32, up-regulate. Due to the lower brush pressure on one side of the product, this side is retained less strongly than the other, and thus also the product 03 is slightly rotated. A correction of the folding time is necessary if necessary as stated above.
  • the processing of signals m3 and m4 of the sensors S3 and S4 takes place, for example by appropriate means in a control module 38 (possibly also only a software control process 38), briefly module 38, which z. B. also part of the control device 10 (as shown) or may be formed individually.
  • a control module 38 possibly also only a software control process 38
  • module 38 which z. B. also part of the control device 10 (as shown) or may be formed individually.
  • the signals m3 and m4 of the sensors S3 and S4 out, these signals m3 and m4 evaluated, and a result in the form of a control signal to one or more of the drives 41; 42; 43; 43, in particular drive 41 and / or 42, out.
  • the principle of skew detection is z. B. implemented using a trigger module.
  • the module 38 has z. B. two signal inputs, z. Eg inputs E1; E2, one pulse output A1 and one direction output A2.
  • Pulse output A1 is set when input E1 (eg, through signal m3) or input E2 (eg, through signal m4) provides a first signal.
  • the pulse output A1 is reset if the other of the two inputs E2; E1 (eg by signal m4 or m3) subsequently delivers a signal.
  • the direction output A2 delivers z.
  • a signal, if input E2 (eg by signal m4) was set in time before input E1 (eg by signal m3). Conversely, no signal is set.
  • FIG. 8 shows an example of a signal sequence of the trigger module.
  • the pulse length of the pulse output A1 is preferably used as a measure of the detected product skew.
  • the directional output A2 provides the information on which side the product 03 was detected first. If the pulse output A1 delivers a signal, this is read in via a time measurement function of the probe function of the module 38 and finally evaluated in a logic.
  • the time measurement function delivers z. B. a unit of time in microseconds. This time is converted in the logic, for example, taking into account the time, which takes a product 03 per mm of travel as a function of the machine speed, in an indication in 1/100 millimeter.
  • braking devices 24 spaced apart in the transporting direction T1; 36, namely, an entrance-side closer and an entry-side-further deceleration device 24; 36, which are able to decelerate in a corresponding contact position during the passage of a product 03, in particular via friction.
  • the respective braking device 24; 36 has at least one braking element 31; 32; 33; 34 or at least one group 26; 27; 28; 29 of braking elements 31; 32; 33; 34, which in an advantageous embodiment, for. B. as brushes 31; 32; 33; 34 is formed or are.
  • the entry-side closer braking device 24 by at least one actuator 37 preferably by at least one z. B. designed as a pneumatic or hydraulic cylinder pressure medium actuatable actuator 37, at a distance from the folding table 02, z. B. by at most 50 mm, changeable and / or optionally in or out of contact with the continuous product flow can be brought (Fig. 1 1 to 15).
  • one or more of the correction of the inclined position of the folding rollers 07 leaving product 03 provided, in particular one or more of the entry side closer Braking elements 31; 32 or at least one, in particular near-entry group 26; 27 of braking elements 31; 32 apply for both purposes.
  • the entry-side closer braking device 24 may be a total of an effective range of the folding table 02, z. B. by more than 200 mm from the folding table 02 away, be arranged swung out (Fig. 12 and 13).
  • At least one of the at least two braking devices 24; 36, preferably both braking devices 24; 36 have at least two Abbrems institute 31; 32; 33; 34, z. B. brushes 31; 32; 33; 34 or access side remote "stop brushes” 33, 34 and entry-side-closer “middle brushes” 31; 32, or at least two groups 26; 27; 28; 29 of braking elements 31; 32; 33; 34, z. Brush groups 26; 27; 28; 29 or brush systems 26; 27; 28; 29 on.
  • the Abbremsetti 31 independently formed changeable in their distance from the folding table 02; 32; 33; 34 or groups 26; 27; 28; 29 of braking elements 31; 32; 33; 34 preferably have independently operable actuators 41; 42; 43; 44 on.
  • a total of at least four Abbrems institute 31; 32; 33; 34 or at least four groups 26; 27; 28; 29, z. B. two braking devices 24; 36 with two groups 26 each; 27; 28; 29 of braking elements 31; 32; 33; 34 provided, wherein the four Abbrems institute 31; 32; 33; 34 or four groups 26; 27; 28; 29 each independently by an actuator 41; 42; 43; 44 are variable in their distance from the folding table 02.
  • the first two groups 26; 27 have z. B from four braking elements 31; 32, z. B. each with a length L31 in the transport direction T1 of z. B.
  • the two second groups 27; 28 z. B. three braking elements 33 each; 34, z. B. each with a length L33 in the transport direction T1 of z. B. at least 50 mm, preferably at least 70 mm, in particular about 90 mm on.
  • At least one of the entry side closer and one of the entry side remote Abbremsetti 31; 32; 33; 34 or groups 26; 27; 28; 29 are independently variable in their distance from the folding table 02 and the product 03 arranged thereon, in particular by an actuator 41; 42; 43; 44, formed.
  • the (respective) actuator 41; 42; 43; 44 is z. B. as a motor, in particular as a servomotor or stepper motor, which (r) preferably via a transmission, for. B. a screw drive, or in any other way to be stopped Abbrems institute 31; 32; 33; 34 or groups 26; 27; 28; 29 acts to adjust the distance to the folding table 02.
  • detecting sensors S5 and S6 are provided, which or their measuring point S5; S6 viewed in a direction parallel to the longitudinal direction of a folding roller 07 and / or to the longitudinal direction of the folding gap 06 and / or to the longitudinal direction of the folding blade 04 direction by a distance a5,6, z. B. by at least 80 mm, advantageously by at least 120 mm, preferably by 120 mm to 180 mm, are spaced (Fig. 9).
  • the two sensors S5; S6 or measuring points S5; S6 are preferably in a substantially same vertical distance a5,6,02, z. B. 150 mm to 400 mm, in particular a maximum of 350 mm, to a on the folding table 02 for the product 03 before folding bearing surface of the folding table 02 and / or in particular arranged in the product path behind the folding rollers 07.
  • One of the two sensors S6; S5 or measuring point (s) S6; S5 is z. B. in a longitudinal direction of a folding roller 07 or to the longitudinal direction of the folding gap 06 or Viewed longitudinal direction of the folding blade 04 parallel direction at most by a distance a6.09 of z. B.
  • the two sensors S5; S6 is at the same distance from the position of the product 03 passed by.
  • the deceleration member 31 close to the entrance side and the entry side are provided; 32; 33; 34 or at least one group 26; 27; 28; 29 such Abbrems institute 31; 32; 33; 34 for straight-off, d. H. to correct any skew after the folding gap 06, used.
  • the discharge of the folded product 03 under the folding table 02 is observed. If the folded product 03, z. B. with its leading edge, not parallel to the Falzwalzenachsen out of the folding rollers 07, it can cause wrinkling or tearing on the outer sides of the product 03 at high speeds.
  • this module 39 the signals m5 and m6 of Sensors S5 and S6, these signals m5 and m6 evaluated, and a result in the form of a control signal to one or more of the drives 41; 42; 43; 43, in particular drive 43 and / or 44, out.
  • the evaluation can preferably be carried out with the aid of a trigger module in a manner similar to the one above.
  • M3 and m4 described manner be implemented the same way.
  • G. Replace signals m3 and m4 with the signals m5 and m6.
  • a correspondingly large actuating signal is then applied to the or the corresponding actuators ( eg as drives with associated brushes), d. H. to one or more of the drives 41 to 44, in particular the drives 43 and / or 44 (or generally the "drive" one, in particular the entry side remote braking device 36) output.
  • two sensors S5 and S6 spaced transversely to the transport direction T2 detect a time offset ⁇ t2 or a deviation ⁇ t2 from a setpoint offset (eg zero seconds) during the passage of the preceding one product edge.
  • a setpoint offset eg zero seconds
  • sensor S3 and S4 or sensor S5 and S6, which are arranged in pairs parallel to each other (see above) and one to the respective transport direction T1; T2 transverse product edge, in particular the leading edges of the products 03 detect. Alternatively, however, this could also be the trailing edges.
  • the entry-side brushes 33, 34 are pressed correspondingly hard onto the product 03.
  • the entry-side brushes 31, 32 are e.g. B. only for the above-described skew compensation on the folding table 02 used.
  • middle brushes 31; 32 or groups 26, 27
  • the center brushes 31; 32 no longer lowered, but in an advantageous embodiment again a z. B. definable path away from the folding table 02. This ensures that the central brushes 31; 32 never press too hard on the product 03.
  • the two modules 38; 39 if both provided, can individually, but also in a common control 54, z. B. a brush control 54, for example, be provided as processes in a same computing and / or storage means.
  • the allowable skewness of a product 03 on the folding table 02 is fixed in an advantageous embodiment, z. B. to half a millimeter, but preferably changeable. Under the folding table 02, the allowable skewness is z. B. 10 mm.
  • a monitoring of the folding time ie the product distance to the stop 09; (46) at Clearberlickung the Abfalzreaes, in the manner described above.
  • TheVaccinberckenungstician the folding blade 04 is z. B. depending on the working frequency (cycles per hour) of the folding knife 04.
  • a guideline for the safe Rouberckenungstician is z. B. at least 1 mm distance from the stop 09; (46) per 1,000 cycles / hour working frequency.
  • the o. G. Regulation of the brushes for skew correction is z. B. actively switched from a working frequency on the folding blade 04, for example, 20,000 cycles / hour. So that the brushes 31; 32; 33; 34 have equal contact with the product 03, they can in an advantageous embodiment in an initial phase of the production to be carried out, for. B. at a speed V of z. B. ⁇ 1500 cycles / hour, on both sides of the folding gap 06 (eg., On page I and page II) trained separately relative to the product to be folded 03, d. H. be adjusted in their distance or zeroed.
  • the dressed value of each brush 31; 32; 33; 34 or brush group 26; 27; 28; 29 remains until a change in production requiring a new setting has been made at the fold, or the operator manually resets or changes the dressing value.
  • the two sensors are S7; S8 or the measuring points S7; S8 on both sides of the passing through the longitudinal direction of the folding blade 04 plane E, preferably to this approximately (to ⁇ 10 mm) arranged equidistantly.
  • the two sensors S7 and S8 or their measuring points S7; S8 are arranged in a same, perpendicular to the transport direction T1 and / or perpendicular to the plane E running alignment. They are, for example, in a substantially same vertical distance aO3, in particular 3 mm to 10 mm, to one on the folding table 02 between folding table 02 and sensor S7; S8 resting product 03 arranged.
  • they or their measuring points are S7; S8 viewed in the transporting direction T1, directly at or directly in front of, ie, for example, at most at a distance of 10 mm, preferably at most 5 mm before the position of the stop surface in the active state of the stop device 09; (46) arranged.
  • One of the two sensors S7; S8, in particular sensor S8, can be omitted.
  • the two measuring locations S7; S8 for the dressing process against each other evaluating a above-mentioned also elsewhere using measuring point, z. B. the arranged directly on the stop 09 measuring point S1 of the above sensor S1 use.
  • the sensor S8 can be omitted.
  • the sensor S7 or its measuring location can be arranged in a position indicated by S7 ', which may have a substantially (to ⁇ 3 mm) same distance a1 to the plane E as the sensor S1, but on the other side Il the level E is arranged.
  • the above-mentioned regulations work independently of page number, paper weight, asymmetrical products 03, etc., preferably at least center brushes 31; 32 and the corresponding entrance side closer groups 26; This is done, for example, at a speed suitable for this purpose, for example at an operating frequency at the folding blade 04 of, for example, 2,000 before or at production start in its vertical basic setting, in particular the groups 26 and 27 - 25,000 cycles / hour.
  • the position of the brushes 31; 32; (33; 34) or groups 26 and 27; (28; 29), in which this change is visible for the first time, is the dressing position described above. This process is successively for both sides I; Il performed.
  • the determined dressing values are z. B. held in a storage device until they are possibly overwritten by new values.
  • the indication and representation of their position or position in the folding apparatus 01 is to be understood synonymously as location of the measuring location SO to S8 in such a way that at their output or at their outputs between a presence and absence of the product 03 at the observed by the respective sensor SO to S8 measuring point SO to S8 can be distinguished.
  • the sensor SO to S8 can thus, it can also be arranged in a position deviating from the representation in the folding apparatus 01 with the proviso that it monitors the relevant measuring location SO to S8 or measuring point SO to S8 identified above and in the figures by the sensors SO to S8.
  • position or position of the sensor can - except the statements concerning the distance aO3 to the product 03 - thus generalized the "position or position of the measuring location or the measuring position" of the sensor in question be understood to S8.
  • a sensor SO to S4 arranged above the folding table 02 can also be arranged below or in the folding table 02 with appropriate provision (such as opening, for example), provided that it monitors the relevant measuring location or measuring point.
  • the sensor or the aforementioned sensors SO to S8 is or are preferably as optical sensors, for. B. light guide sensor (s), advantageously in the form of a reflection type, is formed.
  • a convergent light beam e.g. B. focused on a point or focused light spot, wherein the diameter of the light spot at the focal point highest 0.7 mm, advantageously at most 0.5 mm, and / or the focal length less than 20 mm, advantageously not more than 10 mm.
  • the sensors S5 and S6 can be of the same genanten type with the same technical data, but also with a larger focal length, z. B. greater than 20 mm or u. U. also be formed in deviation from the reflection type in the manner of a light barrier.
  • Fig. 1 1 to 15 an advantageous embodiment of the longitudinal folding apparatus 01 is shown in different views.
  • the folding table 02 in addition to stationary, d. H. frame-fixed support portions 48 parallel to the transport direction T1 extending, the product 03 transporting bands 49 have.
  • This upstream can be a further transport device, not shown, for.
  • a conveyor belt be provided, through which the lticiansfalzenden products 03 are promoted in the entrance area of the inlet side 18 and up to the bands 49.
  • the folding blade drive is preferably mechanically independent and independently adjustable relative to the drive of the belts 49 and / or the upstream transport device.
  • the stop device 09 is provided, which is preferably designed to -. B. at least in an active position - to limit the path of the product 03 along the transport direction T1.
  • the stop device 09 has a long drawn, or more transversely to the first transport direction T1 juxtaposed stop elements 46, wherein the product 03 facing, formed by the one or more stops 46 effective stop surface substantially in a line perpendicular to the transport direction T1 and / or to the longitudinal direction of the folding gap 06 stands.
  • the one or more stop elements 46 is or are at least one actuator 47, z. B. formed movable by a pneumatic or hydraulic drive 47.
  • the one or more stop elements 46 is or can be switched on or off, preferably in the plane of movement of the product 03 with its active surface hineinbringbar or removable therefrom and / or in the plane of movement of the product 03 with its stop surface optionally at a distance from the inlet side 18th variable.
  • several or more groups of stop elements 46 can be movable by a plurality of actuators 47.
  • the stop device 09 can then be turned off during the folding.
  • control module control process, drive control

Landscapes

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

Abstract

L'invention concerne un procédé pour faire fonctionner une plieuse longitudinale (10) présentant une lame de pliage (04) et une table de pliage (02). Le mouvement d'une lame de pliage (04) est entraîné, quant à sa fréquence cyclique, de manière synchronisée relativement à un ou plusieurs organes d'une machine d'usinage de bandes située en amont et/ou à une cadence des produits (03) entrant. L'entrée d'un bord avant de produits (03) entrant est détectée en un premier point de mesure (S1) dans la voie de transport de la table de pliage (02). Une position de phase relative ΔΦ entre le mouvement de la lame de pliage (04) et la position de phase du ou des organes situés en amont et/ou la position de phase de la cadence des produits est modifiée volontairement au moyen d'un dispositif de commande et/ou de régulation (10) pour régler un point de contact de la lame de pliage (04) avec le produit (03) à plier. Selon l'invention, la position de phase relative ΔΦ est modifiée par un algorithme de régulation de sorte que, au moins dans un mode de fonctionnement ou une phase de production, les bords avant des produits (03) à plier transportés sur la table de pliage (02) soient maintenus, par variation de la position de phase relative ΔΦ, à une certaine distance du point de mesure (S1) situé dans la voie de transport, de façon que la saisie du bord avant d'un produit ou d'un certain nombre de produits (03) successifs en ce point de mesure (S1) fasse varier la position de phase relative ΔΦ plus tôt pour le premier contact entre le produit (03) et la lame de pliage (04) et/ou pour le point de contact avec un emplacement plus proche d'un côté entrée (18) des produits (03) entrant. L'invention porte également sur une plieuse longitudinale.
EP09801213.1A 2009-03-27 2009-12-23 Procédé pour faire fonctionner une plieuse longitudinale présentant une lame de pliage et une table de pliage et plieuse longitudinale Active EP2411309B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009001956 2009-03-27
DE102009003235A DE102009003235B3 (de) 2009-03-27 2009-05-19 Verfahren zum Betreiben eines ein Falzmesser und einen Falztisch aufweisenden Längsfalzapparates und ein Längsfalzapparat
PCT/EP2009/067820 WO2010108559A1 (fr) 2009-03-27 2009-12-23 Procédé pour faire fonctionner une plieuse longitudinale présentant une lame de pliage et une table de pliage et plieuse longitudinale

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Publication Number Publication Date
EP2411309A1 true EP2411309A1 (fr) 2012-02-01
EP2411309B1 EP2411309B1 (fr) 2015-11-11

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EP09801213.1A Active EP2411309B1 (fr) 2009-03-27 2009-12-23 Procédé pour faire fonctionner une plieuse longitudinale présentant une lame de pliage et une table de pliage et plieuse longitudinale
EP09801214.9A Active EP2411312B1 (fr) 2009-03-27 2009-12-23 Procédé destiné à la correction d'une position inclinée d'un produit à plier sur une table de pliage d'une plieuse longitudinale et plieuse longitudinale
EP09801215.6A Active EP2411313B1 (fr) 2009-03-27 2009-12-23 Procédé destiné à la correction d'une position inclinée d'un produit sortant d'un espace séparant deux cylindres de pliage d'une plieuse longitudinale et plieuse longitudinale

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EP09801214.9A Active EP2411312B1 (fr) 2009-03-27 2009-12-23 Procédé destiné à la correction d'une position inclinée d'un produit à plier sur une table de pliage d'une plieuse longitudinale et plieuse longitudinale
EP09801215.6A Active EP2411313B1 (fr) 2009-03-27 2009-12-23 Procédé destiné à la correction d'une position inclinée d'un produit sortant d'un espace séparant deux cylindres de pliage d'une plieuse longitudinale et plieuse longitudinale

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US (2) US8323162B2 (fr)
EP (3) EP2411309B1 (fr)
CN (3) CN102365224B (fr)
DE (3) DE102009003237A1 (fr)
WO (3) WO2010108559A1 (fr)

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JP5488559B2 (ja) * 2011-10-06 2014-05-14 コニカミノルタ株式会社 シート後処理装置およびシート折り方法
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CN102365224A (zh) 2012-02-29
CN102365223B (zh) 2015-07-15
DE102009003235B3 (de) 2010-07-08
WO2010108561A1 (fr) 2010-09-30
CN102365223A (zh) 2012-02-29
CN102365220A (zh) 2012-02-29
CN102365220B (zh) 2015-06-03
WO2010108560A1 (fr) 2010-09-30
CN102365224B (zh) 2014-06-25
US20120035040A1 (en) 2012-02-09
WO2010108559A1 (fr) 2010-09-30
US8251882B2 (en) 2012-08-28
DE102009003240B4 (de) 2021-01-28
US8323162B2 (en) 2012-12-04
US20120035032A1 (en) 2012-02-09
EP2411313B1 (fr) 2021-01-13
DE102009003240A1 (de) 2010-10-07
EP2411309B1 (fr) 2015-11-11
EP2411312B1 (fr) 2018-08-22
EP2411312A1 (fr) 2012-02-01
EP2411313A1 (fr) 2012-02-01

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