WO2012034242A1 - Dispositif pour le transfert de produits à un transporteur à griffes - Google Patents

Dispositif pour le transfert de produits à un transporteur à griffes Download PDF

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Publication number
WO2012034242A1
WO2012034242A1 PCT/CH2011/000212 CH2011000212W WO2012034242A1 WO 2012034242 A1 WO2012034242 A1 WO 2012034242A1 CH 2011000212 W CH2011000212 W CH 2011000212W WO 2012034242 A1 WO2012034242 A1 WO 2012034242A1
Authority
WO
WIPO (PCT)
Prior art keywords
gripper
product
stop
edge
edge stop
Prior art date
Application number
PCT/CH2011/000212
Other languages
German (de)
English (en)
Inventor
Roberto Fenile
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
Application filed by Ferag Ag filed Critical Ferag Ag
Priority to EP11760684.8A priority Critical patent/EP2616374B1/fr
Publication of WO2012034242A1 publication Critical patent/WO2012034242A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—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
    • B65H5/36—Article guides or smoothers, e.g. movable in operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/65—Other elements in face contact with handled material rotating around an axis parallel to face of material and perpendicular to transport direction, e.g. star wheel
    • B65H2404/654—Other elements in face contact with handled material rotating around an axis parallel to face of material and perpendicular to transport direction, e.g. star wheel having more than 4 elements

Definitions

  • the invention relates to a device for transferring sheet-like products from a feed device to a removal device with grippers for conveying away the supplied from the feed device of a product transfer zone products according to the preamble of claim 1. Furthermore, the invention also relates to a method for operating a device according to claim 1 1
  • the path-conveying device is assigned an edge stop, which prevents the product from being transferred too deeply into grippers of the removal device.
  • Such devices are used, for example, to transfer on a conveyor belt in imbricated formation, in groups or individually transported printed products to a gripper conveyor, which is able to take individual printed products or grouped together printed products, each with a gripper, whereby the in the gripper held printed products isolated or in groups, eg. B. several printed matter in a gripper, their further processing can be supplied.
  • a device is z. B. from Swiss Patent CH 630 583 A5.
  • printed products are fed via a conveyor belt, partly in a conveying nip, a product receiving area in which they are taken individually by controllable grippers at its leading edge.
  • a stationary stop rail is provided for printed products entering the product receiving area too early, which prevents these printed products from further movement, thus ensuring that arrived too early printed products can be taken by their assigned gripper at the right time easily.
  • the European publication EP 1 41 1 01 1 AI describes a device for transferring along a feed path successive flat products to a gripper conveyor with movable in the conveying direction, individually controllable grippers, which are designed to detect the products on their leading edge.
  • the feed path is formed by a conveyor belt which forms a conveying gap in the product receiving area together with a pressure belt, a stationary positive stop is provided in the product receiving area of the gripper, which ensures that the printed products can be transferred to the grippers in the correct direction.
  • the positive stop may be formed in two parts with a stationary and a movable part, wherein the movable part is formed by itself located in the product receiving area gripper part.
  • the stop or the stop member in the device is arranged stationary or guided as part of the gripper together with this movable.
  • the latter can be an obstacle in the further development of the device, since, for example, in a redesign of the gripper and the product stop would have to be completely redesigned.
  • the aforementioned devices can be operated without interference under the premise that only empty grippers are supplied to the product receiving area.
  • it is often a need of the operators of such systems held in grippers of a rotating gripper conveyor products which z. B. at a delivery point could not be returned, returned to the product receiving point and there again can be part of a complete product stream by equipping the adjacent empty gripper.
  • the grippers already equipped with returned products need no longer be equipped with products from the feeder device.
  • the above-described recycling of the products has the advantage that not no longer have to be discharged and returned to the processing process in complex process steps.
  • the removal device is associated with a circulation device having a plurality of edge stop elements guided along a closed circulation path.
  • the edge stop elements are preferably formed and guided independently of the grippers. Independent means in particular that the edge stop elements are not carried as part of the gripper or the associated conveyor to the entire orbit of the conveyor.
  • the orbits of the edge stop elements and the grippers are therefore preferably not identical, wherein the orbit of the edge stop elements is preferably limited to the contact area, where the product transfer takes place.
  • the edge stop elements are at least in the Product transfer zone with the grippers of the removal device guided isochronously, each gripper is assigned in the product receiving area at least one edge stop element.
  • the edge stop elements are preferably guided next to the grippers, at least in the product transfer zone, viewed in the conveying direction.
  • the empty grippers are open or closed supplied to the product transfer zone, with closed empty gripper open before the product transfer and already open supplied gripper are kept open accordingly.
  • the grippers can preferably be controlled individually or in groups, it being possible for the control to control the open and closed positions and possibly also the orientation of the grippers along their orbit.
  • the control of the closing and opening movement and optionally the alignment movement of the gripper relative to the circulation path or to the conveying direction preferably takes place via control gates.
  • the products are dispensed by the feeder device one at a time, with first a leading product section with a leading edge being conveyed away from the feeder device and inserted into the open mouth of the gripper.
  • the product is inserted as far into the open gripper jaw until it strikes with its leading edge on the isochronous sympathetic edge stop element and is prevented from further penetration into the gripper mouth in the insertion direction.
  • the product is preferably a flat, flexible printed matter such as newspaper, magazine, booklet or leaflet.
  • the product may also be a stack of similar or a collection of different types of printed products, which consequently is taken as a stack or collection by a gripper of the removal device.
  • the printed products regardless of whether they are the same or different, can be z. B. placed as a stack or collection each other or inserted into each other.
  • the Printed products also foiled, ie welded in a plastic packaging wrapper, or not be foiled.
  • the edge stop element there is an effective edge stop at every product transfer, which allows a defined positioning of the product in the gripper. Since the edge stop element always positions the product in the insertion direction in the same way relative to the gripper, the relative position between product or product leading edge and the gripper is the same for every transfer. Furthermore, the edge stop ensures that the product section in the region of the front edge and thus also the product during the entire product transfer process is always guided in a defined insertion position, and that until the gripper is closed. A shift or slippage of the products in the critical time range between the product delivery to the closure of the gripper can be prevented. The always same, defined position of the products in the grippers enables trouble-free further processing of the products, especially at high processing speeds.
  • gripper is a component for gripping and clamping holding a product with at least two relatively movable gripper parts, in particular gripper legs are understood, which in an open position in which no clamping takes place, and in a closed position in which a Clamping take place, can be transferred.
  • a particularly preferred embodiment of a gripper is a transport gripper, each with two gripper legs, which is part of a gripper conveyor.
  • Such a gripper conveyor, as it can be used in the present invention is z.
  • EP 0 600 183 The content of this document is hereby incorporated herein by reference to the description of the grippers and the associated conveyor part of the present disclosure.
  • the removal device is preferably a gripper conveyor with a plurality of grippers arranged one after the other in a conveying direction.
  • the grippers are preferably arranged on a transport chain.
  • the grippers are preferably kept in circulation in a closed conveyor track.
  • a delivery station can also be arranged, at which products are delivered by the grippers to a further processing device.
  • the orbit of the grippers preferably receives a deflection, which is designed in such a way that the grippers are guided in a first conveying direction to the product transfer zone and led away from the product transfer zone in a second conveying direction, which is different from the first conveying direction.
  • the orbit of the grippers and the orbit of the edge stop elements extend at least in the product transfer zone substantially side by side.
  • the two orbits in the said zone are parallel or substantially parallel to each other in a straight or curved path.
  • the circulating device is a concentricity rotatable about an axis of rotation, on whose circumference the edge stop elements are arranged at a distance from one another.
  • the edge stop elements are arranged on the concentricity and controlled by a control device that they are isochronous to the grippers of the removal device through the product transfer zone movable.
  • the orbit of the concentricity is advantageously circular, wherein the circular orbit of the edge stop elements of the concentricity in the product transfer zone is preferably performed at least over a partial area parallel to the orbit of the gripper. That is, the orbit of the edge stop elements is preferably guided at least in the product transfer zone along the gripper orbit.
  • the drive of the edge stop elements can be mechanically coupled to the drive of the gripper, so that the grippers and the edge stop elements run synchronously and at the same speed through the product transfer zone.
  • the edge stop members may also be driven independently of the grippers, in which case a controller synchronizes the movement of the grippers and the edge stop members in the product transfer zone.
  • the feed device preferably comprises a conveying member with a conveying surface in the form of a conveyor belt or in the form of one or more conveyor belts, via which the products are supplied to the product transfer region.
  • the conveying surface is preferably arranged horizontally or substantially horizontally.
  • a pressing or pressing belt such as.
  • EP 1 41 1 01 1 which forms a conveying gap together with the conveying member in the product transfer zone, from which the products are ejected for the purpose of transfer to the gripper.
  • Andrückb sections or pressing bands are preferably provided when the conveying surface is not horizontal but is inclined.
  • the feed device and the removal device may be arranged so that the products are supplied on a horizontal or substantially horizontal conveying surface of the product transfer zone and transferred to the grippers of the removal device, which either from above or from above or below or obliquely below the Product transfer zone are supplied.
  • the terms "bottom” and "top” are defined by the direction of gravity. However, it may also be provided that the products from above or obliquely above or below or obliquely down are supplied. Expediently the conveying directions of the removal device and the delivery device are not parallel to one another at least outside the product transfer zone.
  • the edge stop element is, at least in the product transfer zone, each guided laterally by the gripper and isochronous to this.
  • an edge stop element is arranged at least in the product transfer zone on both sides of the gripper, which are moved isochronous with each other and the associated gripper along the conveying direction.
  • control means are provided, by means of which the edge stop elements along their orbit to the product transfer zone out of a passive functional position in which the edge stop elements preferably have no effect on the subsidized products, in an active stop and possibly also leadership position in which the edge stop elements in the exercise of their stop function and possibly also guide function unfold an effect on the products to be transferred, are transferred.
  • the edge stop elements When leaving the product transfer zone, the edge stop elements are guided via the control means from the active stop position back into the passive operating position.
  • the control means may, for. B. comprise one or more of the circulating device associated stationary Steuerkulissen over which the edge stop elements are guided along its orbit and are movable from the passive functional position to the active stop position and vice versa.
  • the edge stop elements are z. B. via the control means to the product transfer zone in the said stop position in the direction of the products to be supplied swung out or extendable and after leaving the product transfer zone from the terminal point of the gripper swung away in the passive position or retractable function.
  • the edge stop element is in the active stop position, in particular, when its stop, viewed in the insertion direction, is located in front of the gripper end stop. Furthermore, shock is and is in particular in the passive functional position when the stop, viewed in the direction of insertion, is behind the gripper end stop. Insertion direction here means the direction in which a product is introduced into the gripper.
  • the aforementioned tax credits, z. B. for controlling the closing and opening movement, as well as the orientation and position of the gripper and any auxiliary gripper, also for controlling the orientation and position of the edge stop elements, in particular their passive functional position and active stop position and possibly to control the closing and opening movement the clamping function, may include fixed or movable scenes.
  • the control scenes may also be switchable or controllable. The latter applies in particular with respect to the closing or open position of the gripper or the clamping function of the edge stop elements or auxiliary grippers associated therewith.
  • the edge stop elements are pivotally connected via a respective rotary joint connection with the circulation device. Furthermore, each of the edge stop elements is assigned a control roller, which is in operative connection with the associated edge stop element. The control roller is again guided in a stationary control gate. The swivel joint and guided in the control cam control roller now act together so that the conveyed along the orbit U2 edge stop elements are parallel to the plane of their orbit from a passive functional position in an active stop and possibly guide position can be brought and vice versa. That is, the edge stop elements and / or parts of the edge stop elements, such.
  • a movable gripper arms are relative to the concentricity or to the base body to which the edge stop elements are mounted, movable, in particular pivotally mounted.
  • the combination of a tax role with a Rotary joint thus allows a controlled by the slide guide pivotal movement of the edge stop element parallel to the plane of the orbit.
  • the edge stop element may be formed in one or more parts and z. B. a base body which includes the edge stop, as well as further attached to the main body functional components. So z. B a lever arm be rigidly attached to the base body, wherein the lever arm is rotatably connected via a rotary joint connection with the circulating device and also at its free, the main body opposite end of the control roller is attached.
  • the said lever arm can also be designed as an integral component of the base body.
  • the circulating device can have, in addition to the edge stop elements, auxiliary grippers which are carried laterally (on one or both sides) by the grippers.
  • the auxiliary grippers are guided synchronously to the grippers and the edge stop elements analogously to the edge stop elements via corresponding control means (eg slotted guide) at least in the product transfer zone.
  • edge stop elements with clamping function can also be provided.
  • the auxiliary grippers are integrated in the edge stop elements.
  • the edge stop element additionally has in each case a first gripper limb which can be moved or rotated relative to the main body, wherein the second (for example immovable) gripper limb can be formed by one of the stop limbs.
  • edge stop elements with clamping function is explained in detail in the description of FIG. The same applies to the functioning of the additional auxiliary gripper.
  • the clamping function of the edge stop elements or the additional auxiliary gripper can serve to introduce the introduced into the gripper To grab products before closing the grippers and position them in the grippers.
  • the edge-stop element preferably forms a recess, which is open in the product receiving area towards the delivery device and forms a U-shaped or V-shaped recess forming the stop, into which the products to be transferred can be inserted.
  • the recess is in particular such that the product abutting the stop is not to the side, i. can dodge up or down.
  • the edge stop element in each case preferably has an extended, leading stop leg and / or a shortened, trailing stop leg.
  • the two stop legs are preferably angled and more preferably at an acute angle to each other and extend out of the stopper forming recess, i. they together form the depression.
  • the leading stop leg is preferably curved in an arcuate manner with a convex side pointing counter to the conveying direction.
  • the leading leg is preferably swiveled or extended perpendicular to the conveying direction and in the direction of the product to be transferred.
  • the leading leg is pivoted away from the clamping point of the gripper into the passive functional position or withdrawn.
  • the leading leg is preferably designed and guided into the product transfer zone adjacent to the gripper associated therewith, that the product portion is rejected in the conveying direction with the trailing edge of a product held in a leading gripper by the leading stop leg of the edge stop element associated with the subsequent gripper.
  • the leading stop leg is further preferably designed and is guided in the product transfer zone in such a way next to the gripper associated therewith by the circulating device and directed against the feed device, that this forms a support and guide portion for the output from the feed device product.
  • the extended leg forms in particular a leading edge from the delivery point of the feed device to the stop in the recess of the edge stop element.
  • the extended leg can be considered as a kind of extended feed line of the feeder device.
  • the equipment may be designed to return products held in grab and not discharged and to repeatedly pass the product transfer zone.
  • the system preferably contains a sensor device which determines whether or not a particular gripper returns a product to the product transfer zone.
  • the sensor device is connected to corresponding control units which ensure that no products are delivered from the feed device to those grippers which are already occupied by a recirculated product.
  • a freely rotatable roller is provided at the free leg end, ie the end in the product transfer zone of the feed device, with a rotation axis which is perpendicular to the conveying direction of the feed device and preferably parallel to the conveying plane of the feed device.
  • the roller which need not be actively driven, serves the gentle guidance of the products to stop the edge stop element out. Furthermore, the role of the gentle rejection of products in leading grippers.
  • FIG. 1 shows a perspective view of a device according to the invention for transferring flat products to a gripper conveyor
  • FIG. 2 shows a side view of the device according to FIG. 1;
  • Figure 3a-d side views of the device according to Figure 1, which illustrates the product transfer process in sequential order;
  • FIG. 4 shows a side view of a further embodiment of a device according to the invention for transferring flat products to a gripper conveyor;
  • Figure 5 a development of the edge stop element
  • FIG. 6 a top view of a feed path of the feeder device
  • FIG. 7 shows a side view of a further embodiment of a device according to the invention.
  • Figure 8 a perspective view from the inside on the slotted guide of
  • FIG. 9a a perspective view of a development of the edge stop element with integrated clamping function in the open position
  • FIG. 9b shows the edge stop element with integrated clamping function according to FIG.
  • FIG. 9a in the closed position
  • FIG. 10 shows a side view of a gripper with the product held according to FIG.
  • FIGS. 1 to 3 show a first embodiment of the device 1 according to the invention.
  • a feed device 10 printed products 3 are fed to a conveying line 30 in succession in the conveying direction F1 on conveyor belts 12 forming a feed section 11.
  • the products can also be fed via a single conveyor belt (not shown).
  • the products 3 may be conveyed on the feed line, as shown here, individually and spaced from each other or abutting one another. Furthermore, it is also conceivable to require the products in a scale flow (not shown).
  • the products 3 are supplied with their leading edges 4 of a product transfer zone 2.1 arranged between the supply and removal device 30.
  • the feed device 10 ends before or at the transfer zone 2.1.
  • the gripper conveyor 30 includes a gripper conveyor 36 having a plurality of grippers 31 arranged one behind the other in the conveying direction F2.
  • Each gripper 31 includes first and second gripper legs 32a, 32b for clamping the transferred products 3.
  • the grippers 31 are on a conveyor chain (not shown). spaced apart.
  • the gripper 31 are by means of a transport chain via a corresponding guide 38, such.
  • the orbit Ul of the gripper 31 undergoes a deflection in the region of the product transfer zone 2.1, which is designed such that the grippers 31 move towards the product transfer zone 2.1 in a first conveying direction and out of the product transfer zone in a second conveying direction, which is different from the first conveying direction 2.1 be led away.
  • the Gripper 31 from above or obliquely from above the product transfer zone 2.1 on and down or obliquely downward led away from the product transfer zone 2.1.
  • the grippers 31 are further guided via control blocks, by means of which the opening and closing and the orientation of the grippers 31 is controlled relative to the circulation path or to the conveying direction F2.
  • the grippers 31 are opened or kept open before entering the product transfer zone 2.1 and closed again immediately after the product transfer.
  • the grippers 31 are continuously guided along the circulation path U1 to the product transfer zone 2.1, through it and then away from it.
  • the grippers 31 grasp the products 3 approximately centrally due to their positioning relative to the feed device 10.
  • the gripper conveyor 36 is associated with a circulating device 50 having a plurality of edge stop elements 51.
  • the circulating device 50 is configured in the form of a concentricity 50 rotating about a rotation axis 57 with concentric radial runners 58 radially leading outward from the axis of rotation at uniform intervals.
  • the edge stop elements 51 are attached along the concentricity 50 to the concentric runners 58, in each case on or in the region of the free ends of the concentric arms regularly spaced from each other.
  • the edge stop elements 51 are guided on the concentricity 50 along a circular orbit U2.
  • the gripper conveyor 36 is part of its transport chain and the grippers 31, z. B. around 180 ° to the concentricity 50 out, so that the edge elements 51 of the concentricity and the gripper 31 of the gripper conveyor 36th at least in the region of the product transfer zone 2.1 parallel next to each other, have curved orbits Ul, U2 and conveying directions.
  • the transport chain of the gripper conveyor 36 or its guide 38 is viewed transversely to the direction of rotation of the concentricity 50 along a central portion around the concentricity 50, so that on both sides of the transport chain or the guide 38 edge stop elements 51 can be carried.
  • an edge stop member 51 is disposed on the concentricity 50, wherein the edge stop elements 51 are clocked synchronously with the gripper 31 arranged therebetween along their parallel orbit sections Ul, U2.
  • the concentricity 50 contains on both sides of the gripper 31 each have a control link 55a 55b, which are mirror-symmetrical to each other and along which the respective side associated edge stop members 51 are guided.
  • a respective control roller 56 is coupled, which are guided in the guide of the control cams 55a, 55b.
  • the slotted guide is such that the edge stop elements 51 can be guided via the control roller 56 to the product receiving zone 2.1 back from a passive functional position to an active stop position and leaving the product transfer zone 2.1 of the active stop position back into the passive operating position.
  • the edge stop members 51 include a leading, extended stop leg 54 and a trailing, shortened stop leg 53, which is arranged at an angle to the leading stop leg 54 and forms with this a recess 52, which together with the leading edge 58 of the trailing leg 53, the stop or forms the stop point.
  • the leading stop leg 54 forms a leading edge 57 for guiding and supporting the output from the feed device to the gripper 31 products and for rejecting leading products, which are passed back to the product transfer zone 2.1 and through this.
  • a product 3 is supplied with its leading edge 4 on conveyor belt 12 of the feed device 10 of the product transfer zone 2.1.
  • the gripper conveyor 36 or its gripper 31 and the feed device 10 and the products 3 conveyed thereon are synchronized with one another such that the product 3 leaves the conveying surface 11 of the feed device 10 with its leading edge 4 in the product transfer zone 2.1 and into the gripper mouth a passing gripper 31 is pushed.
  • the product transfer zone 2.1 supplied gripper 31 are opened by cooperating with these control rollers, which also cooperate with a Steuerkulisse. Furthermore, the orientation of the gripper 31 is controlled via a corresponding slotted guide.
  • the edge stop elements 51 are now pivoted towards the product transfer zone 2.1 from a passive functional position in which the edge stop elements 51 are withdrawn behind the zug culinaryigen gripper in the direction of the product transfer zone 2.1, so that the stop 52 of the edge stop element 51 in the direction of insertion El considered before the gripper end stop 37 comes to rest. Furthermore, the leading stop leg 54 is guided quasi parallel to the leading gripper leg 32a when taking the stop-active position and forms a guide or support edge 67 for the product 3 to be transferred. As a result, the leading product section of the product 3 is optimally supported from below during insertion into the open gripper 31, the stop 52 preventing the leading edge 4 from being pushed too far into the open gripper 31.
  • the conveying device 30 and the feeding device 10 are configured and arranged relative to one another, or the transfer point 6.1 is positioned such that the products 3 are transferred to the open gripper 31 at a time when the latter is still in one Downward movement is.
  • the gripper 31st pulled product pulled down 3 whereby the with the leading portion, which contains the leading edge 4, held in the gripper 31 and with the trailing portion, which contains the trailing edge 5, still on the conveying surface of the feed device 10 guided product 3 S- is deformed shaped.
  • the slotted guide of the control rollers 56 of the edge stop members 51 is designed such that the edge stop members 51 are transferred after the product transfer from the active stop position back to its passive operating position by the stop 52 and the extended leg 54 are withdrawn or pivoted by the gripper 31, wherein the stop 52 is withdrawn behind the gripper end stop 37 and the extended stop leg 54 behind the clamping point 35 of the gripper 31. If a product 3 is then conveyed back to the product transfer zone 2. 1 and through it, the extended stop limb 54 of the trailing edge stop element 51 projects the returned product (not shown) downward in the conveying direction F 2 and prevents it from transferring the product into the product transfer zone disturbs the subsequent empty gripper 31.
  • FIG. 4 shows a second embodiment of the device 20 according to the invention.
  • the removal device 30 and the delivery device 10 correspond to the devices 10, 30 shown in FIGS. 1 to 3, for which reason a repetitive description of the features identified by the same reference symbols and their mode of operation is dispensed with ,
  • the present embodiment differs from the embodiment according to FIGS. 1 to 3 in that the supply and removal devices 10, 30 are arranged in a different position relative to one another.
  • the feed device 10 is arranged such that its conveying surface or conveyor line 11 is horizontal and almost tangential to the gripper orbit Ul, ie almost tangential to the lower reversal point of the gripper orbit Ul is disposed on the circulating device 50.
  • the product transfer zone 2.2 is consequently arranged lower in comparison with FIGS. 1 to 3.
  • the gripper 31 is at the time of product transfer, as mentioned, near the lower reversal point or shortly before or shortly thereafter.
  • the product 3 is gripped by the associated gripper 31 in each case at the transfer point 6.2 in the product transfer zone 2.2, which lies at the level of the conveying surface 11 or slightly above or slightly below it. After the transfer of the product 3, the gripper 31 is guided away with the product 3 obliquely upwards.
  • the described arrangement of the supply and removal device 10, 30 relative to each other and their mode of action is a general concept, which is not exhausted in the concrete embodiment but can also be applied to other embodiments of devices according to the invention.
  • the feed device 10 according to FIGS. 4 and 6 also has, at its front end facing the product transfer zone 2.2, a guide device 14 for guiding the products 3 leaving the conveyor belt 12 or the conveyor belt of the feed device 10.
  • the guide device 14 is not a compulsory component of the device 20
  • the guide device 14 is in the form of a guide bracket 16, which with its bow arms 17 laterally on the Feed device 10 is attached.
  • a plurality of guide rollers 15 are arranged at a distance from one another.
  • the guide bar 16 has two bar webs 18, each with a plurality of guide rollers 15.
  • the guide device 14 serves to additionally guide and support the products 3 delivered by the feed device 10 between the delivery point on the feed device 10 and the transfer point 6.2 or the leading stop leg 54 of the edge stop element 51 in the product transfer zone 2.2.
  • the guide bracket 16 is preferably pivotally mounted on the feed device 10, wherein the pivot axis is parallel to the axis of rotation 57 of the concentricity 50.
  • the guide bracket 16 is also operatively connected to a spring element or an elastic component in such a way that a permanent restoring force acts on the guide bracket 16 and returns it to a deflection into the original guide position up or down. Thanks to the pivotable mounting of the guide device 14 with restoring effect, this can give the pressure exerted by a product to be delivered 3 or by a returned product (not shown) on the guide rollers 15 downward and facilitate the passage of the product 3.
  • FIG. 5 shows a particular embodiment variant of the main body 61 of an edge stop element.
  • This analogous to the edge stop element 51 according to Figures 1 to 4 a shortened, trailing stop leg 63 and an extended leading stop leg 64, which are arranged at an angle to each other and form a recess 62, which together with the leading edge 68 of the shortened stop leg 63 the stop for the leading product edges 4 of the products 3 (not shown).
  • the base body 61 also has at its free leg ends opposite end portion of two spaced connection sockets 66, via which the base body 61 can be rigidly connected to a lever arm 69, for. B. via two screw connections.
  • the main body 61 differs from the main body of the edge stop element 51 according to FIGS. 1 to 4, in particular in that a guide roller 65 is freely rotatably mounted at the front, free end of the extended leg 64. If the product 3 at the end of the feed line 1 1 of the feed device 10 is delivered to the gripper 31, so this slides with the leading edge 4 on the leading, extended leg 64th and thus, depending on the arrangement and design of the feed device 10, also via the guide roller 65.
  • the guide roller 65 can also serve the gentle rejection of held in leading grippers 31 products 3, in particular of recycled products 3 (not shown).
  • FIG. 7 shows a further embodiment of a device 100 according to the invention for transferring products 3 from a supply device 10 to the gripper conveyor 36 of a removal device 130.
  • the design and function of the delivery device 10, the gripper conveyor 36, the associated gripper 31 and the one to the Grippers 31 belonging slide guides (not shown) correspond to the embodiment shown in the embodiment according to Figures 1 and 2 and described.
  • the Functioning and the functional interaction of these system components is therefore made to the corresponding description and the accompanying figures 1 and 2.
  • the apparatus 100 according to FIG. 7 differs from the exemplary embodiments according to FIGS. 1 to 4 in that the concentricity 150 has laterally, ie on both sides, edge-stopping elements 180 with clamping function carried by the grippers 31.
  • the edge stop members 180 each have first and second gripper legs.
  • the opening and closing position and the orientation of the edge stop elements 180, in particular the position of the gripper legs and the stop, relative to the conveying direction F2 done analogous to the grippers 31 via corresponding slotted guides (not shown), which are known as far and therefore not closer at this point to be discribed.
  • the edge stop elements 180 are guided by the concentricity 150 and controlled by the corresponding slotted guide on the concentricity 150, that they at least in the product transfer zone 2.1 substantially along the grippers 31 run, that is, in the direction of the axis of rotation 57 viewed with these substantially aligned.
  • edge stop elements 180 are each controlled in such a manner via the slide guide that they enter the product transfer zone 2.1 with open gripper arms or are opened before entering the product transfer zone 2.1.
  • the gripper limbs of the edge stop element 180 are after the transfer of the product 3 to the associated gripper 31 or after insertion desselbigen in the associated gripper 31, but at the earliest simultaneously closed with the associated gripper 31 and preferably (something) before, so that the gripper arms the Hold the product temporarily in a clamped position.
  • the edge stop elements 180 are arranged on the concentricity 150 such that they grip the product in each case in a lateral edge region, while the gripper 31 holds the product 3 approximately in the center.
  • the lateral grasping of the product 3 by means of the edge stop members 180 of the intermediate product area remains taut and the product 3 is accordingly from taking gripping 31 taken and kept flat. If the clamping function on the edge stop element 180 is dispensed with, it can happen, in particular with thin products 3, that they deform in a wave-like manner by the grip of the gripper 31 and are thereby damaged or clocked into the grippers in uneven positions.
  • the gripper limbs of the associated edge stop element 180 are opened again.
  • the clamping points of the edge stop elements 180 are guided slightly forward immediately after and possibly already during the product transfer to the clamping point of the respectively associated gripper 31, so that the held product 3 is somewhat bent in the conveying direction F2 and thereby stiffened.
  • the stiffening of the product 3 causes the trailing product section is not deflected after the product transfer to the leading gripper through and applied to this.
  • a gripper 31 is shown shortly after the transfer of a product 3.
  • the gripper 31 holds the product by clamping.
  • On the side of the gripper 31 is in each case an edge stop element 180 is arranged, which is shown in the figure for clarity only dashed.
  • the edge stop member 180 has first and second gripper legs 181, 182 which are movably disposed relative to one another.
  • the two gripper legs 181, 182 have a clamping function integrated in the edge stop element 180.
  • FIG. 8 shows a perspective view from the inside of the slotted guide of the concentricity 50 according to FIGS. 1, 2 and 4.
  • the concentricity 50 contains a plurality of concentric arms 58 arranged radially around the circumference and star-shaped starting from the rotation axis 57 of the concentricity 50 outwardly directed free end portions. At each of these end portions, an edge stop member 51 is pivotally mounted.
  • the edge stop elements 51 are in this case arranged uniformly spaced viewed in the circumferential direction.
  • the edge stop element 51 consists of a base body 70, containing the leading and trailing stop legs 54, 53, which together form the recess 52.
  • the main body 70 is rigidly connected via a double screw with a lever arm 69, which is designed here as a hollow profile.
  • the edge stop member 51 is rotatably connected to the end portion of the rotary arm 58 via a pivot joint 72 provided on the lever arm 69.
  • free end portion of the lever arm 69 is guided in the control cam 55b control roller 56 freely rotatably mounted.
  • the lever arm 69 causes due to the lever length a relatively high pivot radius of the base body 70 at the same time relatively low deflection of the control rollers 56 along the slotted guide 55b.
  • the edge stop 51 or its components may be made of metal or plastic or a combination thereof.
  • the concentricity arms 58, the lever arms 69 and the base body 70 are viewed at different levels in the direction of the axis of rotation 57 in such a way that the base body 70 is in a surface normal to the axis of rotation 57 on the lever arm 69 and on Rundlaufarm 58 of a leading and / or trailing edge stop member 51 is movable past or pivotable.
  • the base body 70 and the associated lever arm 69 are preferably not flush with each other but are not connected via a spacer element (not shown) slightly spaced apart in the axial direction.
  • the spacer can, for example, be integrated in the base body 61 in the region of the connection points 66 as an annular projection 73.
  • FIGS. 9a and 9b show a further embodiment of an edge stop element 80 with integrated clamping function 83.
  • the edge stop element 80 contains, analogously to the edge stop elements 51 according to FIGS. 1 to 4 and 7 to 8, a main body 81 with a leading, extended stop leg 85 and a trailing, shortened stop leg 86. Furthermore, the base body 81, as already described in connection with the figure 8, via corresponding screw 91 rigidly connected to a lever arm 82.
  • a guide roller 89 is arranged analogously to FIG.
  • said guide roller 89 is not a mandatory feature of this embodiment.
  • the present embodiment differs from the embodiments described above in that the edge stop element 80 has an integrated clamping function 83, which is formed by a relative to the base 81 rigid gripper legs 85, which is formed by the leading stop leg 85, and a relative to the base 81 movably mounted Gripper leg 84 which is rotatably mounted on a rotary joint connection 90 at the free end of the shortened stop leg 86 has.
  • the movable gripper leg 84 has a first gripper portion lying on a first side of the hinge joint 90, which is connected to the this opposite first gripper arm 85 in the closed state is clamped in operative connection. Further, the movable gripper leg 84 has a second gripper portion extending on a second side of the hinge joint 90. At the second gripper portion a control roller 87 is arranged, which is guided in a control link (not shown) on the circulation device, and via which the open and closed position is controlled. Further, a return spring 88 is provided, which is attached to one end on the second - gripper portion and with the other end on the base body 81. The return spring 88 ensures a, permanently applied to the movable gripper limb 84 restoring force.
  • the restoring force counteracting counterforce of the movable gripper arm 84 is guided by the restoring force in an open position (Fig. 9a) or held open by this.
  • the closing process takes place via the control roller 87 guided past a switchable control cam, which for this purpose exerts a closing force acting counter to the restoring force of the spring 88 due to its guidance by the control cam on the movable gripper limb 84 (FIG. 9b).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)

Abstract

L'invention concerne un dispositif (1) pour le transfert de produits plans (3), comprenant un appareil d'amenée (10) destiné à amener des produits plans successifs (3) dans une première direction de transport (F1), le long d'un brin d'amenée (11) de l'appareil d'amenée (10), et un appareil transporteur d'évacuation (30) comprenant des griffes (31) déplaçable dans une deuxième direction de transport (F2) et servent à évacuer les produits (3) amenés de l' appareil d'amenée (10) à une zone de transfert de produits (2.1, 2.2), les griffes (31) étant conçues pour saisir les produits (3) dans la région d'un bord avant (4) des produits, et le appareil transporteur d'évacuation (30) étant équipé d'au moins un élément de butée de bord (51) qui assure la prise en charge des produits (3) par les griffes (31) dans une direction d'avance (E1) dans une position précise. L'invention est caractérisée en ce qu'un appareil de circulation (50) est associé au appareil transporteur d'évacuation (30), ledit appareil de circulation comprenant une pluralité d'éléments de butée de bord avant (51) qui sont conduits le long d'un trajet de circulation en boucle fermée (U2) et qui sont guidables, au moins dans la région de réception des produits (2.1, 2.2), en synchronisme avec les griffes (31) de sorte qu'un élément de butée de bord (51) est associé à chaque griffe (31) dans la zone de transfert de produit (2.1, 2.2).
PCT/CH2011/000212 2010-09-17 2011-09-14 Dispositif pour le transfert de produits à un transporteur à griffes WO2012034242A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11760684.8A EP2616374B1 (fr) 2010-09-17 2011-09-14 Dispositif pour le transfert de produits à un transporteur à griffes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1510/10 2010-09-17
CH01510/10A CH703816A1 (de) 2010-09-17 2010-09-17 Vorrichtung zur übergabe von produkten an einen greiferförderer.

Publications (1)

Publication Number Publication Date
WO2012034242A1 true WO2012034242A1 (fr) 2012-03-22

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PCT/CH2011/000212 WO2012034242A1 (fr) 2010-09-17 2011-09-14 Dispositif pour le transfert de produits à un transporteur à griffes

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EP (1) EP2616374B1 (fr)
CH (1) CH703816A1 (fr)
WO (1) WO2012034242A1 (fr)

Citations (10)

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CH630583A5 (de) 1978-06-30 1982-06-30 Ferag Ag Vorrichtung zum wegfoerdern von in einem schuppenstrom anfallenden flaechigen erzeugnissen, insbesondere druckprodukten.
GB2119763A (en) * 1982-03-11 1983-11-23 Ferag Ag Apparatus for transporting flat products especially printed products arriving in an imbricated formation
SU1395527A1 (ru) * 1986-06-17 1988-05-15 Украинский Полиграфический Институт Им.Ив.Федорова Приемно-выводное устройство рулонной печатной машины
EP0600183A1 (fr) 1992-12-02 1994-06-08 Ferag AG Pince pour transporteur pour transporter des produits imprimés à une ou plusieurs feuilles
EP0863099A1 (fr) * 1997-03-04 1998-09-09 Ferag AG Dispositif pour séparer des produits imprimés empilés
EP1281650A1 (fr) * 2001-07-30 2003-02-05 Ferag AG Méthode et dispositif pour le regroupement et le transport ultérieur d'articles plats
EP1411011A1 (fr) 2002-09-30 2004-04-21 Ferag AG Dispositif pour le transfert de produits à un dispositif de transport
EP1547950A1 (fr) * 2003-12-22 2005-06-29 Ferag AG Méthode et dispositif pour stabiliser et positionner des objets plats
EP1834913A1 (fr) * 2006-03-17 2007-09-19 Ferag AG Dispositif pour ramasser et convoyer des produits plats
EP2243734A1 (fr) * 2009-04-23 2010-10-27 Müller Martini Holding AG Procédé de retournement de produits d'impression transportés sur une trajectoire de transport dans un flux de transport

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Publication number Priority date Publication date Assignee Title
DE19642130C2 (de) * 1996-10-12 1998-07-23 Koenig & Bauer Albert Ag Einrichtung zur Übergabe von Druckprodukten
CH692617A5 (de) * 1998-02-27 2002-08-30 Ferag Ag Vorrichtung zum Verarbeiten von flexiblen, flächigen Erzeugnissen.
DE10304564B3 (de) * 2003-02-05 2004-02-05 Koenig & Bauer Ag Einrichtung zur Übergabe von Druckprodukten mit einer Schaufelradanordnung
EP2219981B1 (fr) * 2007-11-22 2011-08-31 Ferag AG Système de transport et procédé pour transporter des produits plans
AU2009208038B2 (en) * 2008-01-24 2013-05-16 Ferag Ag Method and device for conveying planar products

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH630583A5 (de) 1978-06-30 1982-06-30 Ferag Ag Vorrichtung zum wegfoerdern von in einem schuppenstrom anfallenden flaechigen erzeugnissen, insbesondere druckprodukten.
GB2119763A (en) * 1982-03-11 1983-11-23 Ferag Ag Apparatus for transporting flat products especially printed products arriving in an imbricated formation
SU1395527A1 (ru) * 1986-06-17 1988-05-15 Украинский Полиграфический Институт Им.Ив.Федорова Приемно-выводное устройство рулонной печатной машины
EP0600183A1 (fr) 1992-12-02 1994-06-08 Ferag AG Pince pour transporteur pour transporter des produits imprimés à une ou plusieurs feuilles
EP0863099A1 (fr) * 1997-03-04 1998-09-09 Ferag AG Dispositif pour séparer des produits imprimés empilés
EP1281650A1 (fr) * 2001-07-30 2003-02-05 Ferag AG Méthode et dispositif pour le regroupement et le transport ultérieur d'articles plats
EP1411011A1 (fr) 2002-09-30 2004-04-21 Ferag AG Dispositif pour le transfert de produits à un dispositif de transport
EP1547950A1 (fr) * 2003-12-22 2005-06-29 Ferag AG Méthode et dispositif pour stabiliser et positionner des objets plats
EP1834913A1 (fr) * 2006-03-17 2007-09-19 Ferag AG Dispositif pour ramasser et convoyer des produits plats
EP2243734A1 (fr) * 2009-04-23 2010-10-27 Müller Martini Holding AG Procédé de retournement de produits d'impression transportés sur une trajectoire de transport dans un flux de transport

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EP2616374A1 (fr) 2013-07-24
EP2616374B1 (fr) 2016-04-27
CH703816A1 (de) 2012-03-30

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