EP2544980B1 - Dispositif de commande et procédé pour réguler la vitesse d'un convoyeur - Google Patents

Dispositif de commande et procédé pour réguler la vitesse d'un convoyeur Download PDF

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Publication number
EP2544980B1
EP2544980B1 EP11706463.4A EP11706463A EP2544980B1 EP 2544980 B1 EP2544980 B1 EP 2544980B1 EP 11706463 A EP11706463 A EP 11706463A EP 2544980 B1 EP2544980 B1 EP 2544980B1
Authority
EP
European Patent Office
Prior art keywords
conveyor
product
target speed
stacking
speed
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.)
Not-in-force
Application number
EP11706463.4A
Other languages
German (de)
English (en)
Other versions
EP2544980A1 (fr
Inventor
Stefan Forster
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.)
Ferag AG
Original Assignee
Ferag 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
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Publication of EP2544980A1 publication Critical patent/EP2544980A1/fr
Application granted granted Critical
Publication of EP2544980B1 publication Critical patent/EP2544980B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/34—Varying the phase of feed relative to the receiving machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/042—Intermediate conveyors, e.g. transferring 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/26—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles
    • B65H29/28—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles from mechanical grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/60—Article switches or diverters diverting the stream into alternative paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/24—Pile receivers multiple or compartmented, e.d. for alternate, programmed, or selective filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/085—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers by combinations of endless conveyors and grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/26—Duplicate, alternate, selective, or coacting feeds
    • 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
    • B65H2301/32—Orientation of handled material
    • B65H2301/323—Hanging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4433—Moving, forwarding, guiding material by acting on surface of handled material by means holding the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • 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
    • B65H2513/10—Speed

Definitions

  • the present invention relates to a computerized control device and a computer-implemented method for controlling the speed of a conveyor in a print product processing system.
  • the present invention relates to a computerized control device and a computer-implemented method for controlling the speed of a conveyor for feeding printed products to stacking devices which form packages of printed products.
  • the conveying speed is firmly limited to a value which is below the maximum possible processing capacity of the stacking devices, in particular if the stacking devices are to produce packages (ie stacks) with different and partially varying sizes.
  • EP 1 935 821 For example, a method for stacking printed products in a production line is described, in which the process for assembling the printed sheets into precursors is controlled as a function of the stack size to be formed.
  • EP 1 935 821 For example, based on the cycle time for the discharge of a stack and the number of times the production line is produced, a minimum number of strokes required by the stacking devices to form a stack is calculated. If particularly small stacks with a smaller number of bars must be formed, are in the production line according EP 1935 821 Inserting empty bars, which reduces the production output of the production line.
  • the US Pat. No. 3,531,108 shows a feeder which supplies a stream of documents to an acceleration zone and a subsequent synchronization zone.
  • the leading edge of a document is detected and synchronized with subsequent processing devices such as the slotted wheels. Synchronization is done by adjusting the speed of a pair of rollers.
  • the documents are fed to the conveyor and branches to which the slotted wheels and stacking devices connect.
  • One of the wheels has a photoelectric timer. Otherwise, the wheels are identical and jointly driven by a motor.
  • the branches are controlled by control signals.
  • the WO 2009/015503 shows the transfer of printed products from a gripper conveyor to conveyor compartments of group conveyors. During the transfer, feeding aids are used to align and adjust the speed.
  • the above-mentioned objects are achieved by the present invention in particular in that for the speed control of a conveyor for feeding printed products to stacking devices, which from supplied products form packages for which stacking devices an allocation plan is maintained with products that are at a Stacking devices upstream detection point were detected on the conveyor and can be processed at a defined target speed of the conveyor by an associated stacking device.
  • the setpoint speed of the conveyor is automatically reduced if no destacking device can be determined in the allocation plan for at least one product, which can process at least one product at the unreduced setpoint speed of the conveyor, that is, if the product in question in the allocation plan is not assigned to one of the stacking devices can be that it is processable at the unreduced target speed of the conveyor.
  • a product is preferably determined based on the current position of the particular product based on the processing speeds of the stacking devices based on the desired speed of the conveyor and based on the allocation of products to each of the stacking devices in the allocation plan which of the stacking devices the product in question can be processed at the defined target speed of the conveyor.
  • the current position of a product on the conveyor defines its respective relative position or distance to the inputs of the stacking devices.
  • the conveyor is configured as a chain conveyor with designed as a gripper product carrier for gripping and holding printed products, each with a triggering device is set, a held in a product carrier Trigger product at a relevant trigger point and transfer to the relevant stacking device.
  • a current position on the conveyor or in the associated stacking device is respectively determined for the products included in the allocation plan, and the setpoint speed of the conveyor is increased if a product that has caused a reduction of the setpoint speed of the conveyor, a defined position (in the Printed product processing plant) has reached.
  • the desired speed of the conveyor is increased, for example, when the product, which has justified a reduction in the desired speed of the conveyor has reached the trigger point for transfer to the associated stacking device, or at this point already triggered and handed over to the stacking device, or before Stacking device has been processed.
  • the determination of whether and by which of the stacking devices the products transported on the conveyor can be processed at the defined target speed of the conveyor, and the virtual allocation of the products based on the individual stacking devices enables an automatic, dynamic and flexible adaptation of the conveyor speed to production-specific parameters and Conditions such as product thickness, package size, number of products in the package, package structure, and availability and processing speed of stacking devices, avoiding overflow of non-processable products as much as possible and keeping production output (ie products / time) as high as possible.
  • this dynamic adaptation of the conveying speed allows a high degree of flexibility in the package formation with individually different and time-varying package sizes in the individual stacking devices.
  • the current conveying speed of the conveyor is set to the target speed at a defined time, and in the allocation plan, a product is assigned to one of the stacking devices, if the relevant product at a set from the defined time to the reduced target speed conveyor speed by the relevant Stacking device is processable.
  • the time for setting the current conveying speed of the conveyor to the reduced set speed is set as late as possible in such a way that the relevant product can still be processed by the corresponding stacking device in question.
  • the longest possible delay of a speed reduction has the advantage that the conveying speed and thus the operating performance is kept as high as possible, while the processability of the products is granted and the overflow of products is avoided.
  • the current conveying speed of the conveyor is set to the setpoint speed at periodic times.
  • the period of time for possibly adjusting the conveying speed to a reduced or increased set speed is preferably a multiple of the time duration in which two successive products on the conveyor pass a fixed reference point, for example the detection point.
  • the time between two products is 0.1 seconds, and the conveying speed may be adjusted, for example, after ten products in one-second cycle.
  • the limitation of the adaptation of the conveying speed to points in time which occur in successive time periods has the advantage that too frequent a change in the conveying speed and an associated oscillation tendency of the system are avoided.
  • a combined variant of the above described as late as possible time is set to the next earlier "periodic time".
  • the products detected in the allocation plan, which are still on the conveyor are each assigned to one of the stacking devices, which can process the product in question at the reduced setpoint speed of the conveyor when the setpoint speed of the conveyor is reduced.
  • the reallocation of the unreleased and non-overflow products at each speed reduction allows for the continuous automatic optimization of production planning and execution by way of a processable allocation of the products to the stackers dynamically adapted to the conveying speed.
  • the present invention also relates to a computer program product comprising a computer-readable storage medium having stored therein Computer code includes.
  • the computer code is arranged to control one or more processors of the control device in such a way that the processors or the control device for the stacking devices carry out an allocation plan with products which were detected at a detection point upstream of the stacking devices on the conveyor and at a defined desired speed of the conveyor each associated Abstapelvor substances are processable, and that the processors and the control device reduce the target speed of the conveyor, if at least one product in the allocation plan can not be assigned to one of the stacking devices so that it can be processed at the unreduced nominal speed of the conveyor.
  • the reference numeral 1 refers to a computer-controlled printing product processing system with at least one conveyor 2 and several stacking devices A, B, C.
  • the conveyor 2 is a chain conveyor with product carriers 20, in particular grippers, for example, clamps for gripping and holding printed products P or other sheet-like products , such as disks designed.
  • the printing product processing system 1 and in particular the conveyor 2 operate in a so-called off-line mode, in the sense that they are not directly coupled to machines for the production of printed products, but relate the printed products of a product memory.
  • the collecting plant 4 assembles the products P from one or more individual precursors VP and one main product HP, which are supplied by separating devices 31, 32.
  • the collecting plant 4 is embodied, for example, as a collating device for collating, as a plug-in drum for insertion or as a collecting device for collecting (in the narrower sense) the preproducts VP and the main product HP into a resulting product P (end product).
  • the precursors VP and main products HP the separating devices 31, 32 for example, fed on a winding as rolled-up scale flows.
  • one or more product processing devices are arranged between the collecting installation 4 and the conveyor 2, for example a filming machine for packaging the products P into a packaging film.
  • further product processing devices 21, 22 are also arranged on the conveyor 2, for example a stapler for stapling the products during transport with a product carrier 20, or an addressing device for printing or pasting the products P held in a product carrier 20 with an address of a recipient, an information sheet, a sample or other add-on.
  • a product detector 23 for example, a counting finger or optical sensor, arranged to detect a product P conveyed past in a product carrier 20 on the conveyor 2 at a detection point DD and detect data technology.
  • the product detector 23 detects Preferably, the type or the composition of the relevant product P.
  • the product P is individually determined and identifiable and its current position in the print product processing system 1 continuously defined. In each case, the assignment of geographically distributed unloading locations (addresses) and packages to be unloaded is defined in a route.
  • the reference numerals 2A, 2B, 2C of FIGS. 1 and 2 and the reference numeral 2U in the FIG. 1 each relate to a triggering device which is set up to trigger a product P held in a product carrier 20 at the respective trigger point AA, BB, CC or UU and to transfer it to the relevant stacking device A, B, C or overflow station U.
  • Reference numerals dA, dB, dC each denote a section on the conveyor 2 between the detection point DD and the triggering point AA, between the triggering points AA and BB, respectively between the triggering points BB and CC.
  • the sections dA, dB, dC are each defined by their length and / or their number of product carriers 20, which are arranged on the conveyor 2 at a constant distance d from each other.
  • the print product processing system 1 is connected via a communication link 6 with a computerized control device 5.
  • the communication link 6 includes, for example, one or more parallel and / or serial data buses and / or a local area network (Local Area Network).
  • the control device 5 comprises one or more operational computers each having one or more processors.
  • the control device 5 is preferably connected via the communication link 6 for data exchange with the various components of the print product processing system 1, in particular with the conveyor 2, the product detector 23, the triggering devices 2A, 2B, 2C, 2U, the stacking devices A, B, C, Overflow station U, the product processing devices 21, 22, the collection system 4, the separating devices 31, 32 and with various sensors, actuators and counters of these components.
  • the control device 5 comprises various functional modules, in particular a tracking module 51, a control module 52, a planning module 53 and a control module 54, as well as data memory or program memory for storing the desired speed 55 (target speed value), a route plan 56 and an allocation plan Z.
  • the function modules are preferably implemented as programmed software modules which comprise computer program code for controlling one or more processors of the computers of the control device 5.
  • the computer program code is stored on one or more fixed or removably connected (tangible) computer readable storage media to the processors.
  • the control module 54 is set up to control the print product processing system 1 based on the route plan 56 so that in the stacking devices A, B, C packets for Delivery, which comprise several products P consisting of a main product HP and one or more precursors VP and are manufactured and arranged so that they can be transported and delivered according to the route plan 56.
  • the route plan 56 includes route information or address information for the delivery of packages comprising several products P with an assignment of packages to defined delivery sequences or geographical positions, for example an association of packages with products P composed according to a specific product structure to particular routes, addresses or zones. Individual products P can be individually assembled and / or addressed in one embodiment variant for a recipient.
  • the tracking module 51 is arranged to position the products P conveyed on the conveyor 2 with respect to their contents, i. Main products HP and preproducts VP, and their positions on the conveyor 2, for example, relative to the detection point DD and / or relative to one or more of the trigger points AA, BB, CC, UU, to track (tracking information).
  • individualized products P which are provided, for example, with an individual address of a recipient and / or contents with content individually directed to the respective recipient, a product P over its entire funding period on the conveyor 2, from the collection system 4 to the stacking in a particular package in one of the stackers A, B, C or the rejection in the overflow station U, are identified and tracked for position.
  • the planning module 53 is set up to dynamically detect the products P detected by the product detector 23 at the detection point DD in the allocation plan Z, respectively Stacking devices A, B, C assign as in the following sections with reference to the FIGS. 4 . 5 . 6 is described.
  • the control module 52 is configured to dynamically and automatically adjust the conveying speed of the conveyor 2 to the capacity, processing capacity and availability of the stacking devices A, B, C as well as in the following paragraphs with respect to FIGS FIGS. 4 . 5 . 6 is described.
  • the conveying speed of the conveyor 2 is set to a defined maximum speed when starting the operation.
  • step S1 the product detector 23 detects a product P * conveyed past on the conveyor 2 at the detection point DD.
  • the corresponding detection signal is passed via the communication link 6 to the control device 5, where the detection of the product P * the tracking module 51, for tracking and assigning the product P * to the parent route plan 56, and the planning module 53, for the assignment of the product P * one of the stacking A, B, C, activated.
  • each cell f marked with a cross X represents a product carrier 20 occupied by a product P.
  • An unmarked cell e represents an empty product carrier 20 to which no product P was supplied, for example, in the section dA, or from which the product P has already been triggered, for example, in the sections dB and dC or in the following on the trigger point CC overflow area dU of the conveyor 2.
  • the dots "" a variety of other product carrier 20, which for practical reasons in the FIG. 3 Not can be represented, for example, the track area dA more than a hundred product carrier 20 on.
  • each cell marked with a cross X represents ZA' in a product allocation ZA '.
  • 'ZC' is an assignment of the relevant in the product occupancy F of the conveyor 2 product P on the stacking device A, B, C in question.
  • the reference numerals ZA, ZB and ZC denote in the FIG. 3 the allocation plan Z corresponding assignment of the stacking A, B and C respectively with associated products P.
  • the reference iA, iB and iC respectively denote the current internal occupancy of the respective stacking device A, B, C with products P, by triggering the relevant triggering device 2A, 2B, 2C of the stacking device A, B, C concerned, and are assembled there into a package.
  • the usability of a stacking device A, B, C depends not only on its physical capacity and design, but also on the size and structure of the package to be produced, that is, the number of layers in a package and the number and thickness of the products in a situation, as in the example of the FIG. 4 will be shown.
  • FIG. 4 shows a time comparison of the formation of packets P5, P20 of different size in a stacking A, B, C with intermediate stacker 7 upper part of the FIG. 4 illustrates different times T1, T2, T3, T4, T5 in the formation of packets P5 each having a five products P comprising layer L5.
  • the lower part of the FIG. 4 illustrates different times T1, T2, T3, T4, T5 in the formation of packets P20, each with two ten products P comprehensive layers L10, L10 '.
  • a package P5, P20 is finished with five or twenty products P, respectively.
  • a layer L5 with five products P was formed on the intermediate stacker 7, during which the formed package P5 and P20, respectively, were conveyed out of the stacking device A, B, C by a distance s.
  • packet P5 and P20 respectively, in both the upper and lower examples, became FIG. 4 by the further distance s out of the stacking device A, B, C out, without that on the Intermediate stacker 7 - and thus in the stacking device A, B, C - more products P could be added.
  • the usability of the stacking A, B, C depends on the size and number of layers L5, L10 of the packages P5, P20 and may also vary over time.
  • FIG. 3 are in the occupancy ZA, ZB, ZC of Abstapelvorutteren A, B, C cells marked with a circle O to schematically represent products P respectively product positions according to the product occupancy F on the conveyor 2, at a certain conveying speed of the conveyor 2 by the stacking device in question A, B, C are not processable, for example, because the stacking apparatus A, B, C is blocked as described above for carrying away a finished package P5, P20, because at the current conveying speed products P are fed faster than they are from the stacking apparatus A, B, C can be accepted and processed, because due to an overall route plan 56 a product P on the conveyor 2 can not be assigned to the stacking device A, B, C or because the stacking device A, B, C has a technical problem and at least temporarily unavailable.
  • step S2 the product allocation of the product P * detected in step S1 is performed by the planning module 53.
  • the planning module 53 attempts on the basis of the allocation plan Z with the already existing allocation of products P to stacking devices A, B, C and optionally on the Based on a parent route plan 56 to assign the detected product P * one of the stacking A, B, C for processing.
  • the planning module 53 determines whether, based on a route plan 56, an assignment of the detected product P * to a specific stacking device A, B, C is given or whether the detected product P * can optionally be assigned to one of the stacking devices A, B, C.
  • the planning module 53 then checks whether the detected product P * can be processed by the specific stacking device A, B, C and thus allocated to it, or by which of the freely selectable stacking devices A, B, C the detected product P * can be processed and thus allocated can be.
  • the planning module 53 checks in particular whether the detected product P * with its relative position or distance on the conveyor 2 to the relevant stacking A, B, C at the current conveying speed of the conveyor 2 and the existing occupancy ZA, ZB, ZC of the relevant Stacking device A, B, C, including planned product allocation ZA ', ZB', ZC 'and internal assignment iA, iB, iC, and given packet size, packet structure, processing speed and / or design of the respective stacking device A, B, C by the relevant Stacking A, B, C can be processed and thus the respective stacking A, B, C can be assigned.
  • the detected product P * can not be processed by a routinely determined or freely selectable stacking device A, B, C, it is assigned to the overflow region dU of the conveyor 2, ie the detected product P * becomes, according to the configuration of FIG. 1 , for a release and transfer to the overflow station U or, according to the configuration of FIG. 2 , for continuation on the conveyor 2, past the stacking devices A, B, C, back to the detection point DD, for re-detection by the product detector 23.
  • step S3 the planning module 53 checks whether the detected product P * could be allocated for processing a stacking apparatus A, B, C, or whether it had to be assigned to the overflow area dU. In a processable allocation to a stacking device A, B, C, the control module 52 continues in step S4, otherwise in step S5.
  • step S6 the planning module 53 carries out a reallocation of the products P not yet released on the conveyor 2 in the sections dA, dB or dC based on the setpoint speed 55 v soll .
  • the planning module 53 carries out a reallocation of the products P not yet released on the conveyor 2 in the sections dA, dB or dC based on the setpoint speed 55 v soll .
  • respectively selected operating mode of various reducing time points is considered to which the actual current conveying speed v F to the set speed to 55 v is set depending on the version.
  • the reduction time is fixed to a fixed period of time, that is, a possible speed reduction is optionally carried out at periodic time points, for example after one or every ten seconds.
  • a second variant of the reduction time is set to a time at which a fixed point is reached on a section between the detection point DD and the trigger points AA, BB, CC, for example, the time at which the last detected product P * a predetermined Distance to one of the trip points AA, BB, CC reached.
  • the reduction time is set as late as possible (for example falling to one of the periodic times) in such a way that a processable allocation to stacking device A, B, C results for all products not yet released.
  • This possibly late point in time is determined, for example, iteratively, wherein different points in time are examined, in which a certain point on a section between the detection point DD and the triggering points AA, BB, CC is reached (eg by the last detected product P *), for example according to fixed routes (eg at 90%, 80%, 70%, etc.) or stepwise like a binary search algorithm.
  • the reallocation of products P is not triggered is therefore based on a varying conveying speed v F, which corresponds to the reduction time of the current transport speed v F and to v to the target speed 55 from the reducing time reduced.
  • the reallocation is preferably made starting with the "oldest" untreated product P, which is closest to the last tripping point CC, over the "younger” products P to the "youngest” product, the last detected product P *, according to the criteria already described in connection with step S2.
  • step S7 the planning module 53 checks whether v to all of the products P is not triggered at the set speed 55 could be assigned to process one of the stacking device A, B, C. If this is not the case, a further speed reduction is optionally determined in step S5 and / or an earlier time for the speed reduction is iteratively checked in step S6.
  • step S4 the planning module 53 checks whether a product P, which has established a reduction of the conveying speed v F or desired speed 55 v soll of the conveyor 2, has reached a defined position, for example the trigger point AA, BB, CC of the associated stacking device A, B, C, and increases the target speed 55 v soll of the conveyor 2 by the defined difference value ⁇ V.
  • step S8 the control module 52 checks whether the time for a possible adaptation of the conveyor speed v F has been reached, ie whether the current time value corresponds to the time fixed for a speed adjustment or a specific product P has reached a correspondingly defined position on the conveyor 2. If this is the case, the control module 52 sets in step S9, the conveying speed of the conveyor 2 to the target speed 55 v soll , ie, the current conveying speed is reduced or increased by a defined difference value .DELTA.v.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Conveyors (AREA)

Claims (15)

  1. Un dispositif de commande (5) informatisé destiné à réguler la vitesse d'un convoyeur {2) qui amène des produits d'impression vers des dispositifs d'empilage (A, B, C), qui à partir de produits alimentés (P, P*) forment des paquets (P5, P20), le convoyeur (2) étant conçu sous la forme d'un convoyeur à chaîne, avec des supports de produits (20) conçus sous la forme de preneur destinés à saisir et maintenir des produits d'impression (P, P*), chaque fois un dispositif de déclenchement étant constitué pour déclencher un produit (P, P*) maintenu dans un support de produit (20) à un point de déclenchement (AA, BB, CC) concerné et pour le transférer au dispositif d'empilage (A, B, C) concerné, caractérisé par
    un module de planification (53) qui est constitué pour tenir un plan d'attribution (Z) pour les dispositifs d'empilage (A, B, C) avec des produits (P, P*), qui ont été détectés sur un point de détection (DD) placé en amont des dispositifs d'empilage (A, B, C) sur le convoyeur (2) et qui à une vitesse de consigne (55) définie des convoyeurs (2) sont susceptibles d'être traités par chaque fois par un dispositif d'empilage (A, B, C) associé et
    un module de régulation (52) qui est constitué pour réduire la vitesse de consigne (55) du convoyeur (2), si dans le plan d'attribution (Z) pour au moins un produit (P, P*), aucun dispositif d'empilage (A, B1 C) susceptible de traiter l'au moins un produit (P, P*) à la vitesse de consigne (55) non réduite du convoyeur (2) n'est définissable.
  2. Le dispositif selon la revendication 1, caractérisé en ce que le dispositif comprend un module de traçage (51) qui est constitué pour déterminer pour les produits (P) enregistrés dans le plan d'attribution (Z) chaque fois une position actuelle sur le convoyeur (2), respectivement dans le dispositif d'empilage (A, B, C) associé et en ce que le module de régulation (52) est constitué pour augmenter la vitesse de consigne (55) du convoyeur (2) lorsqu'un produit (P, P*), ayant fondé une réduction de la vitesse de consigne (55) du convoyeur (2) a atteint une position définie.
  3. Le dispositif selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le module de planification (53) est constitué pour déterminer pour un produit (P, P*), sur la base de la position actuelle du produit (P, P*) concerné, sur la base des vitesses de traitement des dispositifs d'empilage (A, B, C), sur la base de la vitesse de consigne (55) du convoyeur (2) et sur la base de l'affectation de produits (P1, P*) à respectivement l'un des dispositifs d'empilage (A, B, C) donnée dans le plan d'attribution (Z) si et par lequel des dispositifs d'empilage (A, B, C) le produit (P, P*) concerné est susceptible d'être traité à la vitesse de consigne (55) définie du convoyeur (2).
  4. Le dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le module de régulation (52) est constitué pour placer la vitesse de convoyage actuelle du convoyeur (2) chaque fois à un moment défini à la vitesse de consigne (55) et en ce que le module de planification {53) est constitué pour affecter dans le plan d'attribution (Z) un produit (P, P*) à l'un des dispositifs d'empilage (A, B, C) lorsqu'à la vitesse de convoyage placée à partir du moment défini à la vitesse de consigne (55) réduite, le produit (P, P*) concerné est susceptible d'être traité par le dispositif d'empilage (A, B, C).
  5. Le dispositif selon la revendication 4, caractérisé en ce que le module de planification (53} pour fixer le moment de placement de la vitesse de convoyage actuelle du convoyeur (2) à la vitesse de consigne (55) si possible assez tard pour que le produit (P, P*) concerné soit encore susceptible d'être traité par le dispositif d'empilage (A, B, C) associé concerné.
  6. Le dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le module de régulation (52) est constitué pour placer à des moments périodiques la vitesse de convoyage du convoyeur (2) à la vitesse de consigne (55).
  7. Le dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le module de planification (53) est constitué pour, lors d'une réduction de la vitesse de consigne (55) du convoyeur (2) réaffecter les produits (P, P*) enregistrés dans le plan d'attribution (Z) qui se trouvent encore sur le convoyeur (2) à chaque fois l'un des dispositifs d'empilage (A, B, C) par lequel le produit (P, P*) concerné est susceptible d'être traité à la vitesse de consigne (55) réduite du convoyeur (2).
  8. Un procédé implémenté dans un ordinateur, destiné à réguler la vitesse d'un convoyeur (2) qui amène des produits d'impression vers des dispositifs d'empilage (A, B, C), qui à partir de produits alimentés (P, P*) forment des paquets (P5, P20), le convoyeur (2) étant conçu sous la forme d'un convoyeur à chaîne, avec des supports de produits (20) conçus sous la forme de preneurs destiné à saisir et maintenir des produits d'impression (P, P*), chaque fois un dispositif de déclenchement étant constitué pour déclencher un produit (P, P*) maintenu dans un support de produit (20) à un point de déclenchement (AA, BB, CC) concerné et pour le transférer au dispositif d'empilage (A, B, C) concerné, comprenant :
    la tenue d'un plan d'attribution (Z) dans l'ordinateur pour les dispositifs d'empilage (A, B, C), avec des produits (P, P*) qui ont été détectés sur un point de détection (DD) placé en amont des dispositifs d'empilage (A, B, C) sur le convoyeur (2) et qui à une vitesse de consigne (55) définie du convoyeurs (2) sont susceptibles d'être traités par chaque fois un dispositif d'empilage (A, B, C) associé et
    la réduction de la vitesse de consigne (55) du convoyeur (2) par l'ordinateur, lorsque dans le plan d'attribution (Z), pour au moins un produit (P, P*), aucun dispositif d'empilage (A, B, C) ne peut être déterminé, qui est susceptible de traiter l'au moins un produit (P, P*) à la vitesse de consigne (55) non réduite du convoyeur (2).
  9. Le procédé selon la revendication 8, caractérisé en ce que pour les produits (P, P*) enregistrés dans le plan d'attribution (Z), il est déterminé dans l'ordinateur chaque fois une position actuelle sur le convoyeur (2), respectivement dans le dispositif d'empilage (A, B, C) associé et en ce que l'ordinateur augmente la vitesse de consigne (55) du convoyeur (2) lorsqu'un produit (P, P*) qui a fondé une réduction de la vitesse de consigne (55) du convoyeur (2) a atteint une position définie.
  10. Le procédé selon l'une quelconque des revendications 8 ou 9, caractérisé en ce que pour un produit (P, P*), sur la base de la position actuelle du produit (P, P*)concerné, sur la base de vitesses de traitement des dispositifs d'empilage (A, B, C), sur la base de la vitesse de consigne (55) du convoyeur (2) et sur la base de l'affectation de produits (P, P*) à respectivement l'un des dispositifs d'empilage (A, B, C) donnée dans le plan d'attribution (Z) l'ordinateur détermine, si et par lequel des dispositifs d'empilage (A, 8, C) le produit (P, P*) concerné est susceptible d'être traité par le convoyeur (2) à la vitesse de consigne (55) définie.
  11. Le procédé selon l'une quelconque des revendications 8 à 10, caractérisé en ce que l'ordinateur place chaque fois à un moment défini la vitesse de convoyage actuelle du convoyeur (2) à la vitesse de consigne (55), en ce que dans le plan d'attribution (Z), l'ordinateur affecte un produit (P, P*) à l'un des dispositifs d'empilage (A, B, C) lorsqu'à une vitesse de convoyage placée à la vitesse de consigne (55) réduite à partir du moment défini, le produit (P, P*) est susceptible d'être traité par le dispositif d'empilage (A, B, C) concerné et en ce que l'ordinateur fixe le moment pour placer la vitesse de convoyage actuelle du convoyeur (2) à la vitesse de consigne (55) réduite si possible assez tard pour que le produit {P, P*) concerné soit encore susceptible d'être traité par le dispositif d'empilage (A, B, C) associé concerné.
  12. Le procédé selon l'une quelconque des revendications 8 à 11, caractérisé en ce qu'à des moments périodiques, l'ordinateur place la vitesse de convoyage du convoyeur (2) à la vitesse de consigne (55).
  13. Le procédé selon l'une quelconque des revendications 8 à 11, caractérisé en ce que lors d'une réduction de la vitesse de consigne (55) du convoyeur (2), l'ordinateur réaffecte les produits (P, P*) enregistrés dans le plan d'attribution (Z) qui se trouvent encore sur le convoyeur (2) chaque fois à l'un des dispositifs d'empilage (A, 8, C) par lequel le produit (P, P*) concerné est susceptible d'être traité à la vitesse de consigne (55) réduite du convoyeur (2).
  14. Produit de programme informatique, comprenant un support de données palpable, lisible par ordinateur avec un code informatique mémorisé, lequel est constitué pour commander un ou plusieurs processeurs d'un dispositif de commande (5) informatisé pour la régulation de la vitesse d'un convoyeur (2) qui amène des produits d'impression vers des dispositifs d'empilage (A, B, C),
    le convoyeur (2) étant conçu sous la forme d'un convoyeur à chaîne, avec des supports de produits (20) conçus sous la forme de preneur destinés à saisir et maintenir des produits d'impression (P, P*), chaque fois un dispositif de déclenchement étant constitué pour déclencher un produit (P, P*) maintenu dans un support de produit (20) à un point de déclenchement (AA, BB, CC) concerné et pour le transférer au dispositif d'empilage (A, B, C), de telle sorte que les processeurs
    tiennent pour les dispositifs d'empilage (A, B, C) un plan d'attribution (Z) avec des produits (P, P*) qui ont été détectés sur un point de détection (DD) placé en amont des dispositifs d'empilage (A, B, C) sur le convoyeur (2) et qui à une vitesse de consigne (55) du convoyeur (2) sont susceptibles d'être traités chaque fois par un dispositif d'empilage (A, B, C) associé et
    réduisent la vitesse de consigne (55) du convoyeur (2) si dans le plan d'attribution (Z), pour au moins un produit (P, P*), il ne peut être déterminé aucun dispositif d'empilage (A, B, C) susceptible de traiter l'au moins un produit (P, P*) à la vitesse de consigne (55) non réduite du convoyeur (2).
  15. Produit de programme informatique selon la revendication 14, caractérisé en ce que le support de données comprend un code informatique supplémentaire lequel est constitué pour commander l'un ou les plusieurs processeurs de sorte que les processeurs réalisent le procédé selon l'une quelconque des revendications 8 à 14.
EP11706463.4A 2010-03-11 2011-02-22 Dispositif de commande et procédé pour réguler la vitesse d'un convoyeur Not-in-force EP2544980B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00340/10A CH702716A2 (de) 2010-03-11 2010-03-11 Steuervorrichtung und verfahren zur geschwindigkeitsregelung eines förderers.
PCT/CH2011/000031 WO2011109916A1 (fr) 2010-03-11 2011-02-22 Dispositif de commande et procédé pour réguler la vitesse d'un convoyeur

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EP2544980A1 EP2544980A1 (fr) 2013-01-16
EP2544980B1 true EP2544980B1 (fr) 2017-11-29

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US (1) US9008834B2 (fr)
EP (1) EP2544980B1 (fr)
AU (1) AU2011226721B2 (fr)
CA (1) CA2792377C (fr)
CH (1) CH702716A2 (fr)
WO (1) WO2011109916A1 (fr)

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US11161167B2 (en) 2017-02-21 2021-11-02 Koenig & Bauer Metalprint Gmbh Method and device for stacking flat material sheets, and device and sheet metal printing machine for processing and/or treating material sheets in the form of metal sheets
DE102017202748B4 (de) 2017-02-21 2019-03-14 Kba-Metalprint Gmbh Verfahren und Vorrichtung zum Stapeln von flächigen Materialbogen sowie eine Druck- und/oder Lackiermaschine
CN110451305B (zh) * 2019-08-16 2020-10-09 西安科技大学 一种会计凭证自动排序整理机

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US9008834B2 (en) 2015-04-14
AU2011226721A1 (en) 2012-10-11
CA2792377C (fr) 2016-10-11
CA2792377A1 (fr) 2011-09-15
CH702716A2 (de) 2011-09-15
US20130060376A1 (en) 2013-03-07
WO2011109916A1 (fr) 2011-09-15
EP2544980A1 (fr) 2013-01-16
AU2011226721B2 (en) 2015-10-29

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