EP2524889B1 - Procédé et dispositif destinés au transfert de produits d'impression - Google Patents

Procédé et dispositif destinés au transfert de produits d'impression Download PDF

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Publication number
EP2524889B1
EP2524889B1 EP12405043.6A EP12405043A EP2524889B1 EP 2524889 B1 EP2524889 B1 EP 2524889B1 EP 12405043 A EP12405043 A EP 12405043A EP 2524889 B1 EP2524889 B1 EP 2524889B1
Authority
EP
European Patent Office
Prior art keywords
product
conveying
away
units
conveyor
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
EP12405043.6A
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German (de)
English (en)
Other versions
EP2524889A3 (fr
EP2524889A2 (fr
Inventor
Norbert Bürge
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
Priority claimed from CH00816/11A external-priority patent/CH704959A1/de
Application filed by Ferag AG filed Critical Ferag AG
Publication of EP2524889A2 publication Critical patent/EP2524889A2/fr
Publication of EP2524889A3 publication Critical patent/EP2524889A3/fr
Application granted granted Critical
Publication of EP2524889B1 publication Critical patent/EP2524889B1/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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
    • 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
    • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by 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
    • B65H2220/00—Function indicators
    • B65H2220/09—Function indicators indicating that several of an entity are present
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/419—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means
    • B65H2301/4192—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/55—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means
    • B65H2405/552—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means with permanent interconnection and determined spacing between the 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
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/58—Means for achieving gripping/releasing operation

Definitions

  • the invention relates to a method for producing a seamless scale flow according to the preamble of claim 1. Furthermore, the invention relates to a device with a gripper conveyor and a removal device and means for transferring supplied by the gripper conveyor flat product units to the removal device according to the preamble of claim 7 for carrying out the method.
  • the need for caching can have different reasons. For example, caching may be necessary if the one upstream processing device processes and delivers more printed products than a downstream processing device, and the processing speed of the two devices can not be matched.
  • the buffer is used in this case as a buffer memory.
  • rotary printing machines are operated at procedural and procedural economic reasons with a predetermined speed.
  • the output of printed sheets from the rotation is thus predetermined and can not be adapted to the processing capacity of the subsequent devices. Consequently, the printed sheets must be fed to intermediate storage until further processing if the downstream processing equipment does not have sufficient processing capacity. It may be intended, in particular for procedural economic reasons, to consciously operate the preceding-order processing device at a maximum speed in order to quickly create capacities for processing a new batch of printed products.
  • Another reason for the caching may be that certain parts of a printed product to be produced, such. As newspaper, produced in advance and intermediately stored until the completion of the printed product as an intermediate. This is especially the case when the printed product includes daily updated parts, which are produced shortly before completion of the printed product. The daily updated parts are then merged with the supplied from the cache product parts to the finished printed product.
  • caching is the winding of printed products continuously fed in a flake formation, together with a tensioned winding tape to a product roll.
  • the product wrap can z. B. be wound on a winding core.
  • the product wrap has significant advantages over other types of caching in terms of functionally safe handling and space-saving storage.
  • the further processing of the printed products takes place by unwinding the products as shingled stream from the product roll. So describe for example the DE-A-42 21 911 , the DE-A-3532403 and the DE-C-34 25 673 Apparatus and methods for storing printed matter in dandruff formation on a roll.
  • the printed products for example, by means of a gripper conveyor held by individual grippers can be supplied to the winding device.
  • the printed products are released by the grippers and deposited in a scaly formation on a conveyor belt.
  • the scale flow is led away over the conveyor belt and fed to a winding station.
  • a gripper conveyor individually supplied printed products to a transfer device in a scaly formation a belt conveyor.
  • DE-C-29 11 350 a device and a method for transferring individual, supplied by means of grippers of a gripper conveyor printed products to a belt conveyor to form a scaly formation.
  • the printed products are supplied with their free product edges in front of the belt conveyor and offset in the conveying direction applied to the previously issued printed product.
  • the still held printed product takes in this step an inclined relative to the vertical orientation, the free edge of the product is aligned leading.
  • the gripper is now opened and the previously held product edge released, so that the printed product comes to rest on the belt conveyor.
  • the staggered depositing of the printed products creates a scale formation.
  • the opening of the gripper is done in a known manner via a trigger member, which z. B. can be operated via a control tripping apparatus or a mechanical control circuit.
  • EP-A-1 340 704 describes a method and apparatus for walling a stream of gripper-held flat articles into a shingled stream having a selectable arrangement of the articles to form a cross-stack.
  • EP-A-1 277 685 also describes a method and apparatus for flowing a stream of gripper-held flat objects into a stream of scale-like groups of groups spaced apart by imbricated gaps.
  • the groups of objects can be aligned differently to form cross stacks.
  • EP-A-1 128 334 describes a method and apparatus for caching printed products resulting in scale formation.
  • Printed products which are supplied by means of a gripper conveyor can be transferred via two release devices different Wegumbleeinnchtungen.
  • the winding device In order to ensure a trouble-free winding and a trouble-free unwinding and unobstructed further processing of unwound from a product roll and supplied to a removal device printed products, the winding device must be supplied to a continuous, seamless scale flow of products.
  • the device is characterized in that the gripper conveyor in the transfer area at least two, preferably at least three, in the conveying direction one behind the other in series and spaced from each other and individually controllable product release devices for individually releasing the planar product units, in particular for the individual opening of the gripper, are assigned.
  • the device comprises exactly two product release devices, and according to a second particularly preferred embodiment, the device comprises exactly three product release devices, which are arranged in the described manner in the transfer region.
  • the product release device in the transfer area, which is arranged first in the conveying direction, is referred to below as the first product release device. The importance of the number of product release devices used is discussed in more detail in connection with the procedure.
  • the term "gripper” should be understood in the broadest sense conveying elements, which are able to clamp the flat product units in an edge region. These include brackets.
  • the conveying elements may be formed in one piece or in several parts.
  • the grippers are preferably conveying elements with a first gripper limb and a second gripper limb movable relative to the first gripper limb via a pivot axis or an elastic section.
  • the two legs are preferably movable relative to one another via a pivot axis between an open and closed, clamping position.
  • the grippers are preferably connected to a conveyor chain and are guided over this along a conveyor track.
  • the grippers are attached to individual, preferably not interconnected trolley and are guided along a conveyor track.
  • product release device is to be understood to mean a device which is capable of releasing the product units clamped by the grippers from the clamping holder. This is preferably done by opening the gripper by means of the product release device, which in this case z. B. may be a tripping device known in the art or a triggering apparatus. Such a triggering apparatus is for example in the to Date of filing not yet published Swiss patent application no. 2010 0716/10 described.
  • the distance between two adjacent product release devices is expediently chosen so that there are a plurality of conveying cycles of the gripper conveyor between the adjacent product release devices.
  • a conveyor cycle is formed by a respective gripper.
  • a conveyor cycle can accommodate a product unit.
  • This product unit is preferably a single product held by the gripper.
  • the product unit may also comprise two or more than two identical or different products.
  • the gripper holds several products. All or individual products of the product units are preferred, flat and flexible, ie flexible products.
  • These can in particular be printed products, such as sheets, newspapers, magazines, magazines, brochures, brochures.
  • the printed products may also be finished printed matter, supplements or partial products of newspapers, magazines, magazines, brochures, leaflets or books.
  • a plurality of grippers guided on a transport chain are respectively arranged on the route section between two product release devices.
  • first and last product release device in the conveying direction can be 30 to 80 cycles, or grippers. This corresponds to a distance of 3 to 8 m.
  • the transfer region of the device defines that region in which the gripper conveyor and the removal device meet and in which the transfer of the product units from the gripper conveyor to the removal device takes place.
  • the device with the function according to the invention for closing or creating gaps is preferably designed such that the products are transferred in the transfer area to a common removal device.
  • the product release device therefore preferably transfer the products to a common removal device.
  • the device contains one, preferably exclusively one, off-feed device, which is operated by a plurality of product release devices.
  • the conveying directions or conveying paths of the gripper conveyor and the removal device are substantially rectified in the transfer area.
  • the conveying directions or conveying paths of the gripper conveyor and the removal device preferably run parallel to one another in the transfer area.
  • the conveying path of the gripper conveyor and the conveying direction in the transfer area preferably extends over a straight path.
  • the straight route is advantageously oriented horizontally. However, it can also be inclined.
  • the removal device is preferably a belt conveyor with a conveyor belt, on which the released from the gripper conveyor product units are stored in imbricated formation.
  • the conveyor belt may be a hinge belt chain, a modular belt chain or a conveyor belt.
  • the Wegcklevornchtung may also be associated with a vacuum device which generate at one or more locations or areas along a gas-permeable conveyor belt and below desselbigen a negative pressure, so that the product units are held by means of the induced draft additionally on the conveyor belt and secured against slipping. This is done by sucking ambient air through the gas-permeable conveyor belt.
  • the gripper conveyor is preferably arranged in the transfer area with respect to gravity above or above the removal device, so that the show hanging guided product units with their free edge product to Wegumblevorraum.
  • the gripper conveyor and the removal device and in particular their conveyor paths are preferably arranged in the transfer area relative to each other and spaced from each other that held by the gripper product units in the transfer area with their free product edges of the removal device, in particular the conveyor belt of a belt conveyor, up or rest and the free edges of the product units in the transfer region are each trailing relative to the product edges held by the grippers.
  • the device expediently contains a control unit, by means of which, inter alia, the product release devices for releasing the product units, in particular for opening the grippers, can be individually controlled.
  • the device for carrying out the method according to the invention preferably also contains a sensor device by means of which empty grippers and thus product gaps, in particular their size and position, can be detected.
  • the sensor device is expediently arranged on the gripper conveyor and, viewed in the conveying direction, in front of the first product release device.
  • the sensor device may, for example, have a sensor arm, which is deflected by the products guided past, wherein the deflection of the sensor arm triggers a corresponding count pulse.
  • the sensor device may also be an opto-electronic device, as z. B. in the WO 2008/119192 is described.
  • regular removal rate is to be understood as meaning the rate of conveyance with which the removal device under normal conditions of delivery, i. if no product gaps have to be closed, is operated.
  • the regular removal speed is synchronized with the feed rate of the gripper conveyor. It can therefore also be called “synchronous speed”.
  • the regular Weghold Anthony can z. B. correspond to the Zurus für or slightly below or above the Zu occasion für.
  • the regular removal rate is preferably between 90 and 100%, preferably 95% of the feed rate of the gripper conveyor, i. the gripper chain. In each case, the removal rate is synchronized with the feed rate such that both conveyors can be operated under normal production conditions to form a uniform scale flow and preferably at a constant speed.
  • the temporary removal speed is not synchronized with respect to the feed speed and can therefore also be referred to as the "asynchronous speed” and the time period over which a temporary removal speed is used, as "asynchronous phase".
  • the speed profile of the temporary removal speed is selected so that the product unit of the subsequent product sequence before or with reaching the downstream, further product release device seamlessly unlocks the last product on the removal device in flake form product unit of the preceding product sequence.
  • this asynchronous phase preferably no products are delivered to the removal device.
  • the velocity profile which reproduces the profile of the temporary removal speed, preferably consists of a deceleration phase, in which the delivery medium is decelerated or decelerated, as well as an acceleration phase, in which the funding is accelerated together.
  • the velocity profile in the deceleration phase and / or the acceleration phase may correspond to a velocity ramp.
  • the deceleration phase can smoothly transition into the acceleration phase.
  • the speed profile is in this case z. B. triangular.
  • the velocity profile can also have an intermediate phase lying between the deceleration and acceleration phase, in which there is preferably a constant, but lower speed than the regular removal speed.
  • the speed profile is in this case z. B. trapezoidal.
  • the lowest speed or the speed of the intermediate phase can be 60 to 80%, in particular 70% of the regular removal speed.
  • the speed profile of the temporary removal speed can be calculated variably by means of the control unit, inter alia, by the choice of the ramp steepness or by setting the speed profile in the deceleration and acceleration phase and possibly in the intermediate phase as well as by the absolute speed values.
  • the removal device is stopped during the gap closure over a certain period of time. This may be particularly true when major product gaps need to be closed.
  • the Wegffy Anlagen z. B. in an intermediate phase equal to zero.
  • the speed profile of the "temporary removal speed” may also include sections in which the conveying speed of the removal device is equal to zero. It is even conceivable that the speed profile of the "temporary removal speed” also includes sections in which the conveying speed of the removal device is negative. That is, the Wegffy responded we operated backwards running. The speed profile However, especially with relatively small product gaps, preferably designed so that the lowest Wegkeep Anthony is greater than zero.
  • a product sequence may comprise one or more product cycles.
  • a product gap may be one or more empty cycles or empty grippers in succession in a timed product stream.
  • a single clock can z. B. a conveying distance of about 100 mm and a double cycle thus correspond to a conveying distance of about 200 mm. If a product gap now enters the transfer area with a single missing product unit, then the path-conveying device must compensate or "destroy" a conveying path of approx. 100 mm for gap closing. This is done by a reduced during the asynchronous Weghold effet.
  • the determination of the product gap on the gripper conveyor can, as already mentioned, occur via a sensor area arranged upstream of the transfer area. However, it is also possible that the product gaps are already determined at the facility at which they are generated. This can be z. Example, done by the process of product intake by the gripper or the process of product removal, eg. B. at a discharge station, is monitored. For this purpose, corresponding detection means known per se in the prior art may be provided. The control unit receives the corresponding information from said facilities. To determine the product gap includes the detection of the position position of the product gap or the empty cycle at a certain time in the conveyor and their size, or the number of empty cycles in the clocked product flow.
  • said process preferably also includes the detection of the position position of the product gap and its size in the clock image of the control device. Only when the product gap and its size are reproduced in the timing image of the control device, their position in the conveying device can be determined by the controller at any time in the future.
  • the position of the individual grippers and thus of the individual product units or the product gap can be calculated by the control unit at a specific time. That is, once a product gap has been determined, the control unit is able to calculate the positional position of the last product unit of a previous product sequence and the position of the first product unit of a subsequent product sequence at a particular time. Accordingly, then the product release devices can be actuated at the right time.
  • the product units of the subsequent product sequence passing through the first product release device are preferably from the point in time at which the first product unit supplied by the gripper conveyor of the subsequent product sequence to the last product unit of the preceding product sequence delivered to the removal device unlocked again at the first product release device. Of course, this can also happen after this time.
  • unlock the product unit is meant in particular that the first, supplied by the gripper conveyor product unit of the subsequent product sequence has arrived at the height of the last delivered to the removal device product unit of the previous product sequence or one This last product unit has reached a slightly recessed position for the seamless subsequent dandruff formation.
  • the product units held by the grippers are preferably in the transfer area with their free product edges of the removal device, in particular the conveyor belt of a belt conveyor. Moreover, the free edges of these product units are preferably trailing in the transfer region in relation to the product edges held by the grippers.
  • the removal device expediently reaches the regular removal rate at the latest at the time of the release or delivery of the first product unit of the subsequent product sequence at the downstream, further product release device. However, it is also possible and quite desirable that the removal device reaches the regular removal speed before the time of release or release of the first product unit of the subsequent product sequence at the downstream, further product release device again.
  • the subsequent product unit of the second product sequence passing from the first product release device releases again at the first product release device and to the first product release device Delivered away conveying device, in particular by opening the corresponding gripper on the first product release device.
  • the product units passing the first product release device are freed or released again at the first product release device, in particular from the time when the regular removal speed is reached again following a temporary removal speed, in particular by opening the associated gripper. Those product units which have already passed the first product release device at this time are still released by the downstream, further product release device.
  • the device according to the invention and the associated method can generally be used in areas of conveyor technology where individually supplied flat product units are to be transferred into a continuous scale flow.
  • the field of application may also be outside the processing of printed matter.
  • the device according to the invention and the associated method are particularly preferably used in conjunction with a winding device, as described, for example, in the discussion of the prior art and in the following exemplary embodiment.
  • the device according to the invention can also contain a winding device for creating product wraps.
  • the removal device exerts the function as a feed conveyor for the winding device.
  • the product units are in this case supplied by the removal device in the form of a gap-free scale flow of the winding device.
  • the removal device and the adjoining conveyor and processing devices are preferably connected to one another in terms of control engineering.
  • the speed of the Wegellevornchtung, a subsequent belt conveyor system and the winding speed of the winding are preferably coordinated or synchronized with each other.
  • deceleration or acceleration of the removal device also leads to a deceleration or acceleration of the belt conveyor and the winding rotation on the Winding station.
  • a great advantage of the present invention is that the conveying speed of the gripper conveyor can be controlled independently of the product gaps entering the transfer area. In other words, thanks to the method according to the invention, a gap-free scale flow can be generated despite product gaps without having to adapt the conveying speed of the gripper conveyor. Thus, the gripper conveyor can be operated even with the occurrence of product gaps at a constant conveying speed. This aspect is important because the conveying speed of the gripper conveyor is dictated by the processing speed of preceding processing means, such as rotation, and therefore can not be changed arbitrarily.
  • the device according to the invention offers yet another advantage.
  • it is also suitable for forming a scale flow with gaps or, in other words, a plurality of sequentially successive shingled streams spaced apart by gaps on the removal device.
  • the control device of the device according to the invention is designed accordingly for the execution of the gap formation method described below.
  • Gap in this context means that a gap is formed between a last product unit of a leading imbricated formation and a first product unit of a subsequent imbricated formation, in the region of which no product units are superimposed.
  • a winding device For example, in a winding device, the creation of a product roll completed at a first winding station because z. B. the product wrap his Target size has reached, the scale flow must be redirected to a second winding station, in which z. B. is started with the winding of a new product wrap.
  • a scale flow with gaps can now be generated on the removal device.
  • the time at which the gap is generated is controlled by the control device in such a way that it will pass through the conveying section sensitive in the winding in the winding device at the time of the changeover between two winding stations.
  • the sensitive conveyor section can z. B. may be a feed switch, which is changed when passing the product gap and thus redirects the product flow to another winding station.
  • the timing of the gap formation is tuned by the control device to a planned changeover time at the winding stations.
  • the velocity profile of the higher, temporary removal rate is chosen such that a gap is formed between the first and second scale formation. Since the gripper conveyor over the entire time with uniform feeding speed promotes product units in the transfer area, opens by the accelerated removal of the advancing Schuppenstromes said gap.
  • the product sequence conveyed by the gripper conveyor to the transfer area is, for example, seamless.
  • the removal device can be operated at a higher removal speed.
  • the product units are released only at the downstream further product release device and form a subsequent, further scale flow at a distance from the leading scale flow.
  • the removal device again has a lower removal speed at this time. From this point on, the dispensing of the product units from the downstream product dispenser can be switched back to the first product dispenser. For this purpose, the product units are simply triggered again at the first product delivery device, wherein the product units already passed through the first product delivery device are still delivered to the downstream product delivery device.
  • the increase in the removal speed at the removal device is temporary in nature and preferably takes place from a regular removal rate.
  • the removal device is then preferably reduced from the temporarily higher removal speed back to the original, lower, regular Weghold effet.
  • the device 1 according to FIG. 1 and 2 comprises a winding device 29 with a plurality of winding stations 30a, 30b, 30c and a gripper conveyor 2 conveying surface product units 7 and a product conveying device 7 to a removal device 4 that carries away the winding stations 30a, 30b, 30c.
  • the shingled stream can be conveyed via a conveying switch 23 12 each lead to a specific winding station 30a, 30b, 30c, 30d.
  • the product units 7 are examples of individual, flat products here.
  • the gripper conveyor 2 and the removal device 4 form a transfer region 13, in which the conveying path of the gripper conveyor 2 and the removal device 4 run parallel to each other over a straight conveying path.
  • the conveyor line in the transfer area 13 is formed horizontally in the present embodiment. However, it can also be inclined.
  • the removal device 4 is designed as a belt conveyor 4.
  • the associated conveying member is a conveyor belt 5.
  • the gripper 3 of the gripper conveyor 2 are in gravity over the Conveyor and lead the sheet products 7 in a hanging position in the transfer area 13. For this purpose, the products 7 are held by the grippers 3 on a first product edge 8a.
  • a second free product edge 8b lying opposite the first product edge 8a is directed towards the conveyor belt 5.
  • the distance between the gripper 3 and the conveyor belt 5 in the transfer area 13 is adjusted so that the products 7 held in a suspended manner by the grippers rest with their free product edges 8b on the conveyor belt.
  • the free product edge 8b is trailing with respect to the held product edge 8a. That is, the free end portions of the products 7 are trailed dragged towards the held areas in the conveying direction F G. Since the free product edge 8b is already aligned and guided on the conveyor belt 5, the product 7 can be deposited in an imbricated formation on the conveyor belt 5.
  • each spaced product release devices in the form of trip devices 6a, 6b, 6c arranged.
  • the triggering apparatuses 6a, 6b, 6c are connected to a control unit 19, which enables the individual actuation of the triggering apparatuses 6a, 6b, 6c.
  • the grippers can be opened individually when passing the tripping apparatuses 6a, 6b, 6c.
  • Such tripping apparatuses 6a, 6b, 6c and the tripping mechanism on which they are based are known per se to the person skilled in the art from the prior art and will therefore not be explained in any more detail here.
  • the trip devices are distinguished in each case by the fact that the tripping apparatus underlying tripping mechanism can be actuated electrically, for which purpose via the control unit 19 corresponding control commands are generated and transmitted to the tripping apparatus.
  • a sensor device 15 which serves to detect product gaps 11, is attached to the gripper conveyor 2.
  • the sensor device 15 comprises a counting finger 16, by means of which empty grippers 3 and thus gaps in the product flow 17 are determined. However, the product gaps 11 can also be detected elsewhere.
  • the gripper 3 When the gripper 3 is opened by the triggering apparatus 6a, 6b, 6c, the product held therein is released. Due to gravity, the product falls down with its held area, whereby it is deposited on the underlying conveyor belt 5. Since the products 7 already rest before their delivery with their free product edges 8b the conveyor belt 5, the storage of the products 7 is controlled and safe. To support the transfer process and for better alignment of the products 7, the gripper 3 can also be contrary to the conveying direction F G inclined.
  • the conveyor belt 5 of the belt conveyor 4 is formed circumferentially and has a conveyor section.
  • a vacuum device 14 is provided on the underside of the conveyor belt 5, by means of which ambient air is sucked through the air-permeable conveyor belt 5. In this way, a suction force is exerted on the deposited on the conveyor belt 5 products, so that they are optimally secured against slipping.
  • the scale flow 12 generated in the transfer area 13 is transferred to a transfer and alignment device 25 a belt conveyor system 26, deflected at a guide roller 20 and a winding station 30 a, 30 b, 30 c, 30 d of the winding device 29 fed.
  • the supplied scale flow 12 is laterally aligned at the transfer and alignment device 25 via a side guide device 24 and pushed together during transfer to the belt conveyor system 26 at a feed point at the end of the conveyor belt 5 of the belt conveyor 4 with thickening of the scale flow 12. This is done by means of Different belt speeds of the two conveyors 4, 26.
  • a pressure roller 22 ensures stabilization of the imbricated formation following the transfer.
  • the shingled stream can be supplied with a winding belt (not shown), which is wound up together with the shingled stream to form the product package.
  • the wrapping tape serves on the one hand to stabilize the product roll and on the other hand as a separating element between the scale layers and as unwinding aid in the subsequent unwinding of the product roll.
  • the shingled stream 12 is supported by the belt conveyor system 26 on both sides with a conveyor belt.
  • FIG. 1 For the sake of clarity, only two winding stations 30a, 30b are shown. In principle, the number of winding stations provided is not essential to the invention. It can also be provided only a winding station. Furthermore, in FIG. 1 also for clarity, the grippers 3 of the gripper conveyor 2 shown only to the first triggering apparatus 6a, although they are present over the entire conveyor belt shown.
  • the device contains exactly two trip devices 6a and 6b.
  • the products 7 supplied with the gripper conveyor 2 are released on the first triggering device 6a and deposited on the conveyor belt 5 of the belt conveyor 4 in imbricated formation 12 (image sequence 1 ).
  • a belt conveyor 4 with conveyor belt 5 can also another Be provided removal device or another conveying member, by means of which can produce a scale flow.
  • a product gap 11 is supplied with a plurality of empty bars.
  • the product stream 17 is subdivided by the product gap into a preceding product sequence 9a and a subsequent product sequence 9b (image sequence 2). All products 7 of the preceding product sequence 9a are released by the first triggering apparatus 6a.
  • the speed of the conveyor belt 5 is reduced from a regular speed to a lower, temporary speed.
  • the gripper conveyor 2 maintains its conveying speed.
  • the following product sequence 9b includes the preceding product sequence 9a deposited on the conveyor belt 5.
  • This process takes place on the section lying between the first 6a and second trip device 6b during the so-called asynchronous phase.
  • the speed of the conveyor belt 5 is controlled in such a way that the first product 7b of the subsequent product sequence 9b has digested before or later when passing the second triggering apparatus to the last product 7a of the preceding product sequence 9a.
  • the speed of the conveyor belt is now controlled so that this again assumes the regular speed as soon as the first product 7b has digested on the last product 7a.
  • the products 7 of the subsequent product sequence are released again at the first triggering apparatus 6a (image sequences 5 and 6).
  • a transient sequence 18 of products 7 held in the grippers is generated, which is delimited by a leading and trailing imbricated sequence, and which coincides with the conveying speed of the gripper conveyor 2 through the section between the first and second triggering devices 6a, 6b is running (picture sequence 6 and 7). It goes without saying that the removal speed at least during the existence of this transient sequence 18 corresponds to the regular removal rate.
  • the two trip devices 6a, 6b according to FIG. 1 are relatively far apart, so that a comparatively long "catch-up" is formed.
  • relatively large product gaps can be closed with this arrangement.
  • the conveyor belt 5 can also be stopped for a certain period of time during the gap closure.
  • FIG. 4 shows, for example, an arrangement of three trip devices 6a, 6b, 6c.
  • the gap-closing operation is shown by the same product gap 11 as in FIG FIG. 3 shown.
  • the gap closure process is the same as in FIG. 3 Therefore, to dispense with a new description of the identical process steps and rather to the comments on FIG. 3 is referenced.
  • the FIG. 4 differs from the embodiment according to FIG. 3 in that between the first 6a and second triggering apparatus 6b, a third triggering apparatus 6c is arranged.
  • a third triggering apparatus 6c is arranged between the first 6a and second triggering apparatus 6b.
  • either the shorter distance between the first and third triggering apparatus 6a, 6c or the longer distance between the first and second triggering apparatus 6a, 6b for connecting the first product 7b to a subsequent product sequence 9b can now proceed the last product 6a of a preceding product sequence 9a can be chosen.
  • the first product 7b and, if appropriate, further products adjoining this can follow the subsequent product sequence 9b third triggering device 6c are released.
  • the number of product cycles which lie within the route section between the two triggering devices 6a and 6c and which correspond to the number of product cycles of the subsequent product sequence within which further product gaps can not be closed, is considerably smaller here. In other words, the process of gap closure is completed much faster here, so that the method according to the invention can be carried out relatively quickly for further subsequent gaps.
  • the control unit 19 can also determine due to the size of the product gap 11, which of the subsequent trip devices 6b, 6c, the product gap 11 is to be closed. Furthermore, the control unit 19 determines the driven velocity profile in the asynchronous phase on the basis of the size of the product gap, as well as the selected or the available "catch-up distance (s)".
  • the operation of the first trip device 6a is analogous to the embodiment according to FIG. 3 , Of course, four or even more trip devices can be provided. However, three tripping devices have proven to be an ideal arrangement by which most of the product gaps in the transfer can be closed, without, however, the complexity of the device is too large.
  • the length of the required catch-up distance can also be co-determined by controlling the speed of the conveyor belt in the asynchronous phase. It has also been found that the frequency and size of product gaps are typically patterned and not entirely random. On the one hand, there are the so-called individual gaps, which result from the rejection of individual product units due to quality defects or the manual removal of individual product units for the purpose of control. These can occur more frequently and also in relatively short intervals one behind the other. In the case of such product gaps, the following triggering apparatus 6c with the smaller distance to the first triggering apparatus 6a is selected for gap closure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Claims (12)

  1. Procédé de formation d'un écoulement (12) ininterrompu en écailles au moyen d'un dispositif (1), le dispositif (1) contenant un transporteur (2) à pinces et un ensemble d'évacuation (14) ainsi que des moyens qui transfèrent les unités plates de produits (7) apportées par le transporteur (2) à pinces à l'ensemble d'évacuation (4) en créant une formation (12) en écailles,
    le dispositif (1) formant une zone de transfert (3) dans laquelle a lieu le transfert des unités de produits (7) du transporteur (2) à pinces à l'ensemble d'évacuation (4),
    au moins deux ensembles (6a, 6b, 6c) de libération de produits disposés les uns derrière les autres en série dans la direction de transport (FG) et à distance les uns des autres, aptes à être commandés séparément, étant associés au transporteur (2) à pinces dans la zone de transfert (13) en vue de libérer une à une les unités de produits (7),
    le procédé comportant les étapes suivantes :
    amener d'une succession ininterrompue (9a) d'unités plates de produits (7) dans la zone de transfert (13) au moyen du transporteur (2) à pinces,
    libérer les unités de produits (7) dans un premier ensemble (6a) de libération de produits,
    transférer les unités de produits (7) libérées vers l'ensemble d'évacuation (4) tout en créant une formation (12) en écailles,
    caractérisé par les autres étapes suivantes :
    détecter sur le transporteur (2) à pinces un trou (11) entre produits à la suite de la séquence ininterrompue (9a) de produits,
    libérer la dernière unité de produits (7a) de la séquence ininterrompue (9a) de produits sur le premier ensemble (6a) de libération de produits,
    abaisser la vitesse d'évacuation de l'ensemble (4) d'évacuation depuis une vitesse régulière d'évacuation jusqu'à une vitesse temporaire plus basse d'évacuation,
    amener dans la zone de transfert (13) des unités de produits (7) d'une séquence suivante (9b) de produits qui suivent le trou (11) entre produits et poursuivre le transport des unités de produits (7) devant le premier ensemble (6a) de libération de produits et vers un autre ensemble (6b) de libération de produits disposé en aval dans la direction de transport (FG),
    augmenter la vitesse d'évacuation de telle sorte que la vitesse régulière d'évacuation soit de nouveau atteinte lorsque la première unité de produits (7b) de la séquence suivante (9b) de produits apportée par le transporteur (2) à pinces se raccorde à la dernière unité de produits (7a) de la séquence précédente (9a) de produits délivrée à l'ensemble d'évacuation (4),
    libérer les unités de produits (7) de la séquence suivante (9b) de produits qui se raccordent directement au trou (11) entre produits sur l'autre ensemble (6b) de libération de produits disposé en aval, et transférer les unités de produits (7) libérées à l'ensemble d'évacuation (4) tout en créant une formation en écailles (12),
    faire libérer les unités de produits (7) de la séquence suivante (9b) de produits qui ont atteint le premier ensemble (6a) de libération de produits par le premier ensemble (6a) de libération de produits au plus tôt lorsque la vitesse régulière d'évacuation est de nouveau atteinte et transférer les unités de produits (7) libérées à l'ensemble d'évacuation (4) tout en créant une formation (12) en écailles,
    le profil de la vitesse temporaire d'évacuation étant sélectionné de telle sorte que la première unité de produit (7) de la séquence suivante (9b) de produits se soit réunie de manière ininterrompue avec la dernière unité de produits (7) de la séquence précédente (9a) de produits délivrée sur l'ensemble d'évacuation (4) avant que ou au moment où l'autre ensemble (6b) de libération de produits situé en aval est atteint.
  2. Procédé selon la revendication 1, caractérisé en ce qu'à partir du moment ou après le moment où la vitesse d'évacuation régulière est atteinte après une vitesse temporaire d'évacuation, des unités de produits (7) qui passent dans le premier ensemble (6a) de libération de produits sont de nouveau libérées sur le premier ensemble (6a) de libération de produits.
  3. Procédé selon les revendications 1 ou 2, caractérisé en ce qu'avant, à partir du ou après le moment auquel la première unité de produits (7b) de la séquence suivante (9b) de produits, apportés par le transporteur (2) à pinces, a rejoint la dernière unité de produits (7a) de la séquence précédente (9a) de produits, délivrée à l'ensemble d'évacuation (4), les unités de produits (7) qui passent sur le premier ensemble (6a) de libération de produits sont de nouveau libérées au premier ensemble (6a) de libération de produits.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que les produits (7) tenus par les pinces (3) dans la zone de transfert (13) reposent par leur bord libre (8b) de produit sur l'ensemble d'évacuation, en particulier la bande transporteuse (5) d'un transporteur (4) à bande, les bords libres (8b) des produits (7) suivant dans la zone de transfert (13) les bords (8a) de produits maintenus par les pinces (3) dans la zone de transfert (13).
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce qu'au cas où plus de deux ensembles (6a, 6b, 6c) de libération de produits sont présents, l'unité de commande (19) définit en fonction de la taille des trous (11) entre produits par quel ensemble (6b, 6c) de libération de produits les produits (7) de la séquence suivante de produits sont libérés pour refermer les trous et/ou en ce que l'unité de commande (19) définit entre produits le profil de vitesse temporaire d'évacuation pendant la phase asynchrone en fonction de la taille des trous (11).
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que la vitesse de transport du transporteur (2) à pinces est commandée indépendant des trous (11) entre produits qui pénètrent dans la zone de transfert (13).
  7. Dispositif (1) contenant un transporteur (2) à pinces et un ensemble d'évacuation (14) ainsi que des moyens qui transfèrent les unités plates de produits (7) apportées par le transporteur (2) à pinces à l'ensemble d'évacuation (4) en créant une formation (12) en écailles,
    le dispositif (1) formant une zone de transfert (3) dans laquelle a lieu le transfert des unités de produits (7) du transporteur (2) à pinces à l'ensemble d'évacuation (4),
    au moins deux ensembles (6a, 6b, 6c) de libération de produits disposés les uns derrière les autres en série dans la direction de transport (FG) et à distance les uns des autres, aptes à être commandés séparément, étant associés au transporteur (2) à pinces dans la zone de transfert (13) en vue de libérer une à une les unités de produits (7),
    les ensembles (6a, 6b, 6c) de libération de produits étant conçus pour transférer les unités de produits (7) à l'ensemble commun d'évacuation (4),
    les directions de transport (FG, FW) du transporteur (2) à pinces et de l'ensemble d'évacuation (4) étant essentiellement orientées dans le même sens dans la zone de transfert (13),
    le transporteur (2) pinces et l'ensemble d'évacuation (4) étant disposés l'un par rapport à l'autre dans la zone de transfert (13) de telle sorte que dans la zone de transfert (13), les unités de produits maintenues par les pinces (3) reposent par leur bord libre sur l'ensemble d'évacuation, en particulier la bande transporteuse d'un transporteur (4) à bande, et que chacun des bords libres (8b) des unités de produits (7) suive dans la zone de transfert (13) un bord (8a) des produits maintenus par les pinces (3),
    le dispositif (1) contenant une unité de commande (19) au moyen de laquelle les ensembles (6a, 6b, 6c) de libération de produits peuvent être commandés séparément en vue de l'ouverture des pinces (3),
    caractérisé en ce que
    l'unité de commande (19) est conçue pour exécuter le procédé selon l'une des revendications 1 à 6.
  8. Dispositif selon la revendication 7, caractérisé en ce que la distance (D1, D2) entre les deux ou plusieurs ensembles (6a, 6b, 6c) de libération de produits est sélectionnée de telle sorte que plusieurs pas de transport du transporteur (2) à pinces aient lieu entre les deux ou plusieurs ensembles (6a, 6b, 6c) de libération de produits.
  9. Ensemble selon l'une des revendications 7 et 8, caractérisé en ce que l'ensemble d'évacuation (4) comporte une bande transporteuse (5) sur laquelle les unités de produits (7) libérés par le transporteur (2) à pinces peuvent être positionnées ou déposées en une formation (12) en écailles.
  10. Ensemble selon l'une des revendications 7 à 9, caractérisé en ce que le transporteur (2) à pinces est disposé dans la zone de transfert (13) au-dessus de l'ensemble (4) d'évacuation de telle sorte que les unités de produits (7) soient suspendues dans les pinces (3).
  11. Ensemble selon l'une des revendications 7 à 10, caractérisé en ce que le dispositif comporte un dispositif d'enroulement (29) et en ce que l'ensemble d'évacuation (4) est configuré comme transporteur d'amenée au dispositif d'enroulement (29) au moyen duquel les unités de produits (7) peuvent être amenées au dispositif d'enroulement (29) sous la forme d'un écoulement (12) en écailles.
  12. Ensemble selon l'une des revendications 7 à 11, caractérisé en ce qu'un ensemble de capteurs (15) disposé en amont des ensembles (6a, 6b, 6c) de libération de produits dans la direction de transport (FG) est associé au transporteur (2) à pinces, et permet de détecter la position et le nombre des pinces (3) vides et par conséquent la détection de la position et la taille d'un trou (11) entre produits.
EP12405043.6A 2011-05-16 2012-05-08 Procédé et dispositif destinés au transfert de produits d'impression Not-in-force EP2524889B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00816/11A CH704959A1 (de) 2011-05-16 2011-05-16 Verfahren und Vorrichtung zur Erzeugung eines lückenlosen Schuppenstromes.
CH01174/11A CH705026A2 (de) 2011-05-16 2011-07-13 Einrichtung und Verfahren zur Erzeugung eines lückenlosen Schuppenstromes aus flächigen Produkteinheiten, insbesondere Druckprodukten.

Publications (3)

Publication Number Publication Date
EP2524889A2 EP2524889A2 (fr) 2012-11-21
EP2524889A3 EP2524889A3 (fr) 2013-11-27
EP2524889B1 true EP2524889B1 (fr) 2017-01-04

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EP12405043.6A Not-in-force EP2524889B1 (fr) 2011-05-16 2012-05-08 Procédé et dispositif destinés au transfert de produits d'impression

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US (1) US9061855B2 (fr)
EP (1) EP2524889B1 (fr)
AU (1) AU2012202719B2 (fr)
CA (1) CA2777075A1 (fr)
CH (1) CH705026A2 (fr)

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JP5954821B2 (ja) * 2011-08-15 2016-07-20 ミュラー・マルティニ・ホルディング・アクチエンゲゼルシヤフト 切断装置の速度コントロールをするための方法
US9531335B2 (en) * 2014-11-11 2016-12-27 Texas Instruments Incorporated Method and circuitry for CMOS transconductor linearization
US9617074B2 (en) 2015-09-08 2017-04-11 Carefusion Germany 326 Gmbh Method and picking device for storing a plurality of identical piece goods

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Also Published As

Publication number Publication date
US9061855B2 (en) 2015-06-23
CH705026A2 (de) 2012-11-30
AU2012202719B2 (en) 2016-09-15
EP2524889A3 (fr) 2013-11-27
EP2524889A2 (fr) 2012-11-21
AU2012202719A1 (en) 2012-12-06
US20120292156A1 (en) 2012-11-22
CA2777075A1 (fr) 2012-11-16

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