EP1226083B1 - Procede et dispositif pour enlever des produits plats - Google Patents

Procede et dispositif pour enlever des produits plats Download PDF

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Publication number
EP1226083B1
EP1226083B1 EP00962144A EP00962144A EP1226083B1 EP 1226083 B1 EP1226083 B1 EP 1226083B1 EP 00962144 A EP00962144 A EP 00962144A EP 00962144 A EP00962144 A EP 00962144A EP 1226083 B1 EP1226083 B1 EP 1226083B1
Authority
EP
European Patent Office
Prior art keywords
products
stack
product
gripper
leading edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00962144A
Other languages
German (de)
English (en)
Other versions
EP1226083A1 (fr
Inventor
Alex Keller
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
Application filed by Ferag AG filed Critical Ferag AG
Publication of EP1226083A1 publication Critical patent/EP1226083A1/fr
Application granted granted Critical
Publication of EP1226083B1 publication Critical patent/EP1226083B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • B65H3/0858—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated
    • B65H3/0875—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated the final separation being performed by mechanical grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/28—Separating articles from piles by screw or like separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/32—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/42—Separating articles from piles by two or more separators mounted for movement with, or relative to, rotary or oscillating bodies
    • 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
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4232—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles
    • B65H2301/42322—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from bottom of the pile
    • 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
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4233—Depiling; Separating articles from a pile by peeling, i.e. involving elongated elements traversing pile
    • 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
    • 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
    • B65H2301/4474—Pair of cooperating moving elements as rollers, belts forming nip into which material is transported
    • 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
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/152—Arrangement of roller on a movable frame
    • B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • B65H2404/15212—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis rotating, pivoting or oscillating around an axis perpendicular to the roller axis
    • 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
    • B65H2404/30—Chains
    • B65H2404/31—Chains with auxiliary handling means
    • B65H2404/311—Blades, lugs, plates, paddles, fingers
    • B65H2404/3111—Blades, lugs, plates, paddles, fingers on two opposite chains or set of chains, i.e. having active handling section cooperating with and facing to each other
    • 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
    • B65H2405/54—Rotary gripping arms, i.e. integrated in a rotary element as for instance a cylinder, a disk or a turntable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/345—Rotary suction grippers
    • B65H2406/3454—Rotary suction grippers performing oscillating movement during rotation

Definitions

  • the present invention relates to a method and a Device for transporting flat, in one Product stack of stored flexible products, in particular printed products, according to the preamble of Claim 1 or claim 16.
  • a device which suitable for this purpose is a stack of paper sheets of his Underside underside.
  • This device has a roller-shaped rotary feeder, which around its Circumference distributed with a number of rotating Satellite rollers is equipped. Every satellite roller has a number of suction elements, by means of which in each case a single sheet of paper can be sucked. Such sucked sheets of paper are caused by the rotation the satellite rollers in a curved state along the Extent circumference, taking between the satellite rollers and a guide tape are held in a conveying nip.
  • Satellite roller After a little over half past the Sucking a sheet of paper taking place a revolution Satellite roller becomes the paper sheet from the suction organs released again, whereupon he through with the Satellite rollers interacting guide tape towards a gripper is transported, which the paper sheet takes and promotes.
  • This known device suffers from the disadvantage that that they are not for the processing of comparatively thick products, because on the one hand to the Satellite rollers taking place curvature and the other Dimensions of the conveying gap with respect to the thickness of Products constitute restrictions.
  • a suction roll is provided below the stack, the across the bottom of the stack across the entire width of the Stack extends.
  • the suction roll has a to her Axis coaxial channel on which connects to a vacuum source is connectable and of which several, in radial Direction running passages going in the direction of the axis of the suction roll are distributed and in the Open the lateral surface of the suction roller.
  • the suction roll inevitably rolls on the circumference of a Transport cylinder from whose axis parallel to the axis of the Suction roller runs and which has a plurality of grippers, the arranged on an axis distributed over the width of the transport cylinder extends.
  • the lowest product in the stack is in his leading edge area over its entire width of the Suction roller detected from the bottom of the stack bent away and into the grippers of the transport roller introduced.
  • the grippers hold the product on his evenly across the entire width.
  • the present invention is based on the object, a method or a device according to the preamble of Claim 1 or claim 16 to create, the or which makes it possible even with a stack that is not slanted provided, flat products of various kinds with to separate increased power.
  • the product to be separated is without any interruption controlled as it is directly from the suction device the gripper is handed over. Because of this controlled Leadership will make it possible with significantly increased performance too work because of the controlled leadership for example, a draft or other Force effect conditional deviation of the products of the predetermined trajectory can be excluded.
  • the inventive method can with particularly high Performance, or reduced speed performed when a second product is from a suction device already sucked before a previously weggebogenes first product completely out of the product stack was pulled out. It's even an extra one Increase the performance thereby possible that the second Product is already sucked in by a suction device, before regarding a previously bent away first Product uses the process of extraction. It So it is possible by bending away a Product initiated singling process with respect to two or even three products overlapping in time perform, so with very high performances can be worked.
  • the product stack is preferably with its bottom partially on at least one rotating, at least a release cut having support disk, the bending away of a product takes place when the leading edge area in the area of the Release cut comes to rest.
  • Such rotating support disc allows one with comparatively low frictional forces taking out a Product from the product stack, since the above the product to be withdrawn already in the process of pulling it back in relatively large areas supported by the support disk so that the weight of the product stack up the product to be removed is reduced.
  • the product stack with its underside in areas of two, preferably counter-rotating, at least one, in particular two diagonally opposite ones Rests with release cuts having support disks the bending away of a product takes place when the middle section of the leading edge area in Area of one release slot each Support disc comes to rest.
  • the providence of two Support discs can be the support of the Produce stack during the extraction of the lowest Optimize product. Because of the providence of two diagonally opposite release cuts in each Support disk is achieved that per revolution of the Supporting discs two products can be separated what a work with very high separation efficiency allows.
  • the Produce stack with its bottom advantageously also in the direction of the leading edge area to the trailing edge area of the product stack moving products and with them Resting release passages provided support means.
  • the Bending of the products takes place when the leading Edge area to lie in the region of the release passage comes.
  • the product stack is with his Base on a number of carrying rollers on which are attached to a conveying member and by means of the same from Leading edge area to the trailing edge area moves the products in the product stack be with the release passages between two formed adjacent support rollers or support roller groups are.
  • the product associated with a suction device and the Grippers assigned to the same product may become during the transfer of the product from the suction device to the Gripper on a common conveyor line or on Move parallel conveyor lines.
  • the transfer of a product from the suction device to the Gripper is easy to navigate through Swiveling the suction device relative to the gripper realize.
  • the product stack its underside at least partially with one after directed upward intermittent force becomes. Due to this application of force can be a fast Up and down movement or a vibration of Product stacks are generated, which ultimately a Loosening the product stack causes and a Extracting products from the product stack under reduced friction counter forces.
  • the inventive device requires in addition to the Support device essentially only one device to promote the suction organs and the gripper.
  • Such Device may, for example, by two transport wheels be realized, one of which the suction organs and the others the grippers along the respective conveyor line transported.
  • the device according to the invention can preferably with respectively suitable elements for carrying out the described above, preferred process variants be provided.
  • the provision of two Supporting disks, one actively or passively movable Support finger and / or a guide roller advantageous, such as they are within the description of the preferred Process variants have already been explained.
  • Support disk and / or support table can finally product stack side with friction reducing agents, be provided in particular with compressed air outlets.
  • the support disk on their side facing the product stack of porous Metal is made, since in this case a largely full-surface discharge of compressed air and thus one particularly efficient friction reduction is possible.
  • the inventive device may preferably also with a support device may be provided which has a number of attached to a self-contained pulling element, a Art roller carpet comprises forming carrier rolls on which the product stack rests with its underside. Between two adjacent support rollers or Cartridge groups of this support device are Release passages for the products to be moved available.
  • Fig. 1 shows a side view of an inventive device with a circulating in the arrow direction of the transport wheel 1, along its circumference coupled at equidistant intervals with suction organs 2 and grippers 3 is.
  • the number of coupled to the transport wheel 1 suction organs 2 is equal to the number of coupled to the transport wheel 1 gripper 3.
  • suction organs 2 and grippers 3 are along the circumference of the transport wheel 1 arranged offset from one another such that in each case a suction member. 2 between two grippers 3 and a gripper 3 between two suction organs. 2 to come to rest.
  • the suction organs 2 each have a base or support unit 4, which firmly and rigidly coupled to the transport wheel 1. Likewise everyone owns Gripper 3, a base or support unit 5, which also firmly and rigidly with is coupled to the transport wheel 1.
  • Base or support units 4 and 5 of the suction organs 2 and the gripper. 3 are thus arranged stationary with respect to the transport wheel 1 and lead even with rotation of the transport wheel 1 no relative movements to each other out.
  • the suction organs 2 each have a suction head 6, which is around a Axis 7 pivotally connected to the base or support unit 4 of the respective Suction organ 2 is stored.
  • the axis 7 extends perpendicular to Circulation direction of the transport wheel. 1
  • transport wheel 1 Above the transport wheel 1 is a product stack 8, in particular a Stack of printed products 9 arranged by means of the in Fig. 1 illustrated device products 9 individually from the suction organs 2 sucked and transferred to each one gripper 3.
  • the printed products 9 are arranged in the product stack 8 such that their respective collar 10 the transport wheel 1 faces and her flower 11 facing away from the transport wheel 1.
  • the product stack 8 is in one Vertical guide 12 out and on its underside by a support table 13 and two perpendicular to the plane arranged one behind the other Support discs 14 supported, with both the support table 13th as well as the support plates 14 extend at least substantially horizontally.
  • the support levels of support table 13 and support plates 14th are arranged parallel to each other, wherein the support plane of the support table 13 is slightly below the support level of the support plates 14. The distance between the two levels depends on the thickness of the printed products 9. Preferably, this distance is adjustable.
  • support plates 14 are on a Gear 16 coupled with respect to its drive with the transport wheel 1, so that the angular velocities of support discs 14 and transport wheel 1 are in a fixed relationship to each other.
  • a preferably freely rotatable deflection roller 17 is provided, whose Axle parallel to the axis of rotation 18 of the transport wheel 1 runs.
  • the extension the guide roller 17 perpendicular to the plane is at least as as large as the corresponding extension of the printed products 9.
  • the deflection roller 17 is provided below the support disks 14, so that it is relieved by the support disks 14.
  • the suction of the printed products 9 by means of the suction organs 2 and the transfer of the printed products 9 of the suction organs 2 to the Gripper 3 takes place in the upper region of the transport wheel 1.
  • the grippers. 3 handed over printed products 9 are by the rotation of the transport wheel 1 clockwise on a circular orbit in the bottom Promoted area of the transport wheel 1.
  • a guide band 19th provided, which ensures that held by the grippers 3 Printed products 9 supported downwards and thus guided defined are.
  • the guide belt 19 assumes the function of a conveyor belt, which the printed products 9 after the bottom of the Transport wheel 1 successful opening the gripper 3 in the arrow direction from Transport wheel 1 transported away.
  • FIG. 2 shows a side view of a gripper which can be used according to the invention 3.
  • This gripper 3 has a base or carrier unit 5, which is firmly coupled to the transport wheel 1 shown only partially.
  • a perpendicular provided for the direction of rotation of the transport wheel 1 extending axis 20, about the two legs 21, 22 of the gripper 3 pivotally mounted are.
  • the trailing in the direction of the transport wheel 1 leg 21st is made of rigid material, while the corresponding leading Leg 22 is resilient, so the recording different thick printed matter 9 without significant changes in the To enable control of the gripper 3.
  • FIG. 2 Each have a base or carrier unit 4 indicated for a respective suction member 2.
  • Fig. 3 shows a frontal view of a gripper pair designed gripper 3.
  • the gripper 3 accordingly consists of two juxtaposed Gripper elements 25, each gripper element 25 each two Leg 21, 22 for gripping a printed product 9 has.
  • double-walled transport wheel 1 trailing leg of the two gripper elements 25 are fixed coupled with each other, their movement from the common leadership role 24 is triggered in the receiving and transfer area of Transport wheel 1 runs along a guide slot, not shown. The same applies to the two in the direction of rotation of the transport wheel. 1 leading leg of the gripper elements 25, which also rigidly coupled are and are acted upon by the guide roller 23.
  • Fig. 3 is easy to see that the suction head 6 of a suction device 2 in the middle is arranged between the gripper elements 25, so that the suction head 6 a printed product 9 easily defined and controlled in the Area of open gripper legs can move without suction head 6 and gripper elements 25 collide with each other. Alternatively, too a single gripper element between two suction organs are arranged.
  • Fig. 4 shows a plan view of the product stack 8 with the two there down arranged support disks 14.
  • the two axes of rotation 15 of the support disks 14 are parallel to each other, wherein the mutual distance of the two axes of rotation 15 is slight larger than the diameter of the two support disks 14. This distance conditionally that the two support discs 14, each same Diameter and same shape, tangential almost tangential.
  • the support disks 14 have on their product stack 8 facing Top compressed air outlets 30, over the air towards the bottom the product stack 8 is blown, causing the friction between the support disks 14 rotating in the direction of the arrow and the underside of the product stack 8 is reduced.
  • Fig. 5a to c illustrates three different process steps of the inventive Method, each with a detail side view according to 1 and a detailed plan view according to FIG. 4 are shown.
  • the counter-rotating support discs 14 are in one such position, in which there is a maximum support of the product stack 8 from below results.
  • Due to the release of the leading edge region 31 can conditionally by the rotation of the transport wheel 1 and a pivoting of the suction head 6 'insert a bending away of the printed product 9', wherein this bending over the boundary lines of the release cuts 26th he follows.
  • Fig. 5c illustrates that the printed product 9 'is already bent away from the product stack 8 so far that its leading edge region 31 in the receiving region of the suction head 6 ' associated gripper 3 'comes to rest, so in a next step the gripper 3 'can take the printed product 9'.
  • the gripper 3 ' First after the gripper 3 'has grabbed the printed product 9', the Suction of the suction head 6 'lifted and the withdrawal of the Printed product 9 'started from the product stack 8.
  • Fig. 5b and 5c show that for the purpose of transfer to the gripper. 3
  • Successful pivoting of the suction organs 2 is directed such that a Transfer each to a trailing in the direction of transport gripper. 3 he follows.
  • suction organs so pivotable that they can also be pivoted in the opposite direction, which allows that the suction organs 2 and 9 products in the transport direction leading, opening grippers 3 can take over them then, for example, to deliver to a gripper of another conveyor system.
  • FIG. 6a shows a directed perpendicular to the axis of rotation of the guide roller 17 View of a further, preferred embodiment of an inventive Device with partially cut further deflection roller 36.
  • FIG. 6b shows a side view of the device according to FIG. 6a
  • FIG. and FIG. 6c shows a section through the further deflection roller 36 according to FIG Figs. 6a and 6b.
  • the stationarily mounted shaft 37 is connected via a drive belt 35 with a Motor 34 coupled, which actively sets the shaft 37 in rotation.
  • a Motor 34 coupled, which actively sets the shaft 37 in rotation.
  • the further guide roller 36 is mounted eccentrically on the shaft 37, so that the further guide roller 38 upon application of the shaft 37 via Motor 34 and drive belt 35 performs a periodic movement, the a directed perpendicular to the bottom of the product stack 8 component has.
  • the product stack 8 in faster Sequence moved up and down or vibrated, so that a loosening the product stack 8 takes place; the further guide roller 36 can therefore also called vibratory roller.
  • This loosening causes in turn, a reduction of frictional forces between each other adjacent products 9 of the product stack 8, so that the Products 9 with less effort from the product stack. 8 can be pulled out.
  • Means device is to support the product stack 8 at his Bottom instead of the rotating support discs 14 and the support table 13 is a support device 50 designed in the manner of a roller feeder intended.
  • This support device 50 comprises two on both sides of the Produce stack 8 arranged and parallel to the transport wheel 1 in two Planes running conveyor organs, for example, self-contained tension members 51, at which a number of spaced support rollers 53 is arranged in a manner described below.
  • the orbit the tension members 51 runs parallel in the region of the product stack 8 to the bottom of the product stack 8 (i.e., substantially horizontal), and the bottom of the product stack 8 is replaced by those in this area at right angles to the orbital planes of the tension members 51 (i.e., at right angles to the plane of Fig. 7) arranged and a kind of roller carpet forming support rollers 53 under attack.
  • the direction of movement of the bottom the product stack 8 supporting support rollers 53 extends in the direction from the leading edge area to the trailing edge area the products (9) in the product stack (8).
  • the tension members 51 are optionally formed in each case as a double chain and one each with the transport wheel 1 coaxial double sprocket 55th on the one hand and each associated with a further Doppelkettenrad 56 on the other hand.
  • the rotational speed of the tension members 51 and the speed of movement the support rollers 53 is in a fixed ratio to the angular velocity of the transport wheel. 1
  • Seen in the direction of rotation of the traction members 51 forms a number of support rollers 53 a group (optionally a group of three, cf. Fig. 7), wherein between two support roller groups a greater distance is provided as between the group forming carrier rollers 53.
  • the function of the release cuts between the support roller groups 26 of the support plates 14 of FIG. 4 accepting release passages 54 formed by which the leading portion of the Printed matter 9 is released.
  • FIG. 7 by the release of the leading edge region of the printed product 9 'due to the rotation of the transport wheel 1 and a pivoting the suction head 6 'a bending away of the printed product 9 '.
  • Each support roller 53 is free-rotating on a lever arm 57 of a Axis 58 pivotable angle lever 60 mounted (Fig. 8), the other Lever arm 59 is provided with a guide roller 61 and on this at a stationary backdrop 62 is supported.
  • the gate 62 is shaped such that leaving the sprocket 56 and towards the lower area the sprocket 55 and the transport wheel 1 advancing Support rollers 53 through the backdrop-related pivoting of the angle lever 60 from its perpendicular to the orbital plane position continuously be pivoted into a position lying in the orbit plane, so that the transfer of the printed products 9 from the grippers 3 the guide band 19 and the transport away the same unhindered can be done.
  • FIG. 9 illustrates another embodiment of a support device 67 Supporting the product stack 8 on its underside, in its operation the support device 50 of FIG. 7 and 8 corresponds and also is designed as a roll feeder. Also with this support device 67 are on both sides of the product stack 8 self-contained tension members 68, optionally double chains, present, with a kind Rolling carpet forming carrier rollers 69 are provided.
  • the lateral traction members 68 and the corresponding Double sprockets or Doppelkettenziercrue of which in Fig. 9 only the driving wheels connected to the transport wheel 1 double sprockets 70th are visible, in each case inclined in a transport wheel plane, preferably arranged at an angle of 45 ° including plane.
  • the Carrier rollers 69 are free-rotating on with the tension members 68 firmly connected Support arms 71 arranged.
  • the support arms 71 also close one Angle of 45 ° with the sprocket plane, such that the support rollers 69 in the upper part of the Werner stack 8 are directed and form the support surface, in the bottom Area, however, assume a parallel to the transport wheel 1 position, whereby in turn, the space for unhindered transportation of the printed products 9 is created.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Pile Receivers (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Forging (AREA)
  • Making Paper Articles (AREA)

Claims (29)

  1. Procédé pour l'évacuation de produits plats, logé dans une pile de produits (8) et flexibles, en particulier des produits d'imprimerie (9), dans lequel la pile de produits (8) est soutenue par le bas et chaque produit (9) individuel est saisi dans sa zone de bord (31) avant au moyen d'un organe d'aspiration (2), qui est disposé au-dessous de la pile de produits (8), et est plié en partant du côté inférieur de la pile de produits (8) vers le bas, et dans lequel ensuite le produit (9) saisi et plié est évacué au moyen d'une pince (3) saisissant sa zone de bord (31) avant, le sens de déplacement de la pince (3) dans la zone du côté inférieur de la pile de produits (8) allant essentiellement de la zone de bord avant vers la zone de bord arrière des produits (9) se trouvant dans la pile de produits (8) et chaque produit (9) individuel étant transmis de l'organe d'aspiration (2) directement à une pince (3) après le pliage s'effectuant au moyen de l'organe d'aspiration (2), de sorte que chaque produit (9) est maintenu constamment par l'organe d'aspiration (2) ou par la pince (3) pendant le pliage et pendant l'évacuation faisant suite directement, caractérisé en ce que, sur la pile de produits (8) sensiblement verticale, la zone de bord (31) avant du produit (9) situé le plus en bas est saisie dans sa partie centrale par l'organe l'aspiration (2) et est pliée, alors que ce produit (9) est soutenu par en bas dans la zone de bord (31) avant dans ses zones latérales.
  2. Procédé selon la revendication 1, caractérisé en ce qu'un enlèvement du produit (9) de la pile de produits (8) ne commence qu'une fois que le produit plié (9) a été saisi par la pince (3).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'un second produit est aspiré par un organe d'aspiration (2) avant qu'un premier produit (9) plié auparavant soit complètement enlevé de la pile de produits (8) ou avant que le procédé d'extraction commence en ce qui concerne un premier produit (9) plié auparavant.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le produit (9) est plié d'un angle compris entre 60° et 120° avant qu'il soit saisi par la pince (3), le pliage du produit (9) s'effectuant en particulier au moyen d'un cylindre de renvoi (17).
  5. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la pile de produits (8) repose avec son côté inférieur par endroits sur au moins un disque d'appui (14) rotatif et présentant au moins une entaille de libération (26), le pliage d'un produit (9) intervenant lorsque la zone de bord (10, 31) avant arrive dans la zone de l'entaille de libération (26).
  6. Procédé selon la revendication 5, caractérisé en ce que la pile de produits (8) repose avec son côté inférieur par endroits sur deux disques d'appui (14) tournant de préférence dans le sens contraire, et présentant chacun au moins un, en particulier deux entailles de libération (26) opposées en diagonale, le pliage d'un produit (9) intervenant lorsque la partie centrale de la zone de bord (10, 31) avant arrive dans la zone respectivement d'une entaille de libération (26) de chaque disque d'appui (14).
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que le pliage d'un produit (9) s'effectue au moyen de la ligne de délimitation de l'entaille de libération (26).
  8. Procédé selon l'une quelconque des revendications 5 à 7, caractérisé en ce que la partie centrale, se trouvant dans la zone d'au moins une entaille de libération (26), de la zone de bord (31) avant est soutenue juste avant le pliage par un doigt d'appui mobile activement ou passivement.
  9. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la pile de produits (8) repose avec son côté inférieur sur des moyens d'appui se déplaçant dans le sens de la zone de bord avant vers la zone de bord arrière des produits (9) se trouvant dans la pile de produits (8) et dotés de passages de libération (54), le pliage d'un produit (9) intervenant lorsque la zone de bord (10, 31) avant arrive dans la zone du passage de libération (54).
  10. Procédé selon la revendication 9, caractérisé en ce que la pile de produits (8) repose avec son côté inférieur sur un nombre de cylindres porteurs (53 ; 69), qui sont fixés sur un organe de transport (51 ; 68) et sont déplacés au moyen de cet organe dans la zone de la pile de produits (8) de la zone de bord avant vers la zone de bord arrière des produits (9) se trouvant dans la pile de produits (8), les passages de libération (54) étant formés entre deux cylindres porteurs (53 ; 69) ou groupes de cylindres porteurs voisins.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que l'organe d'aspiration (2) attribué à un produit (9) et la pince (3) attribuée au même produit (9) se déplacent pendant le transfert du produit (9) de l'organe d'aspiration (2) à la pince (3) sur une voie de transport commune ou sur des voies de transport agencées parallèlement entre elles.
  12. Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'organe d'aspiration (2) attribué à un produit (9) et la pince (3) attribuée au même produit (9) se déplacent pendant le transfert du produit (9) de l'organe d'aspiration (2) à la pince (3) à peu près au centre le long du côté inférieur de la pile de produits (8).
  13. Procédé selon l'une quelconque des revendications 1 à 12, caractérisé en ce que l'organe d'aspiration (2) est basculé entre la réception du produit (9) par la pile de produits (8) et le transfert du produit (9) à la pince (3).
  14. Procédé selon la revendication 13, caractérisé en ce que le basculement, s'effectuant pour le transfert à la pince (3), de l'organe d'aspiration (2) est dirigé de telle sorte qu'on a un transfert à une pince (3) arrière dans le sens de transport, un produit (9) pouvant être réceptionné par une pince (3) avant dans le sens de transport et s'ouvrant en particulier après un nouveau basculement, orienté dans le sens opposé, de l'organe d'aspiration.
  15. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la pile de produits (8) est sollicitée sur son côté inférieur au moins par endroits avec une force intermittente et dirigée vers le haut, afin d'obtenir une aération de la pile de produits (8).
  16. Dispositif pour l'évacuation de produits plats, logés dans une pile de produits (8) et flexibles, en particulier de produits d'imprimerie (9), en particulier pour la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 15, comprenant une pluralité de pinces (3) pouvant se déplacer le long d'une voie de transport de pince agencée au-dessous d'une pile de produits (8), un organe d'aspiration (2), qui peut se déplacer le long d'une voie de transport d'organe d'aspiration agencée au-dessous de la pile de produits (8), qui est agencée au moins par endroits le long de la voie de transport de pince ou parallèlement à celle-ci, et un dispositif d'appui (14, 13 ; 50 ; 67), qui soutient la pile de produits (8) sur son côté inférieur, caractérisé en ce que le dispositif d'appui (14, 13 ; 50 ; 67) s'étend essentiellement dans la direction horizontale et présente au moins une entaille de libération ou un passage de libération (26 ; 54), qui libère périodiquement la zone de bord (31) avant des produits (9) dans la pile de produits (8), en ce qu'il est prévu une pluralité d'organes d'aspiration (3), qui sont disposés les uns derrière les autres le long de la voie de transport d'organe d'aspiration agencée dans la partie centrale de la pile de produits (8) et en ce que les pinces (3) sont disposées également les unes derrière les autres le long de la voie de transport de la pince.
  17. Dispositif selon la revendication 16, caractérisé en ce qu'une roue de transport d'organe d'aspiration et une roue de transport de pince sont prévues, qui transportent des organes d'aspiration (2) et des pinces (3) le long des voies de transport respectives.
  18. Dispositif selon la revendication 17, caractérisé en ce que la roue de transport d'organe d'aspiration et la roue de transport de pince sont conçues comme une seule roue de transport (1) pour le transport aussi bien des organes d'aspiration (2) que des pinces (3).
  19. Dispositif selon l'une quelconque des revendications 16 à 18, caractérisé en ce que le dispositif d'appui (14, 13 ; 50 ; 67) présente au moins un disque d'appui (14) rotatif et présentant au moins une entaille de libération (26), qui soutient par endroits la pile de produits (8) sur son côté inférieur, et une table de support (13), qui est prévue pour le soutien de la pile de produits (8) sur son côté inférieur dans une zone non soutenue par le disque d'appui (14).
  20. Dispositif selon la revendication 19, caractérisé en ce qu'il est prévu deux disques d'appui (14) présentant chacun au moins, en particulier deux entailles de libération (26) opposées en diagonale, qui tournent dans le sens contraire de telle sorte qu'à chaque fois une entaille de libération (26) de chaque disque d'appui (14) arrive en même temps dans la partie centrale de la zone de bord (10, 31) avant d'un produit (9).
  21. Dispositif selon la revendication 19 ou 20, caractérisé en ce qu'un doigt d'appui mobile activement ou passivement pour le soutien de la pile de produits (8) est prévu dans la zone de la partie centrale de la zone de bord (10, 31) avant.
  22. Dispositif selon l'une quelconque des revendications 19 à 21, caractérisé en ce qu'un cylindre de renvoi (17), dont l'axe s'étend perpendiculairement au sens du transport des organes d'aspiration (2) et des pinces (3), est prévu dans le sens de transport des organes d'aspiration (2) et des pinces (3) en décalage par rapport au bord avant de la pile de produits (8).
  23. Dispositif selon l'une quelconque des revendications 19 à 22, caractérisé par des moyens (34, 35, 36, 37) pour générer un mouvement périodique, orienté perpendiculairement au côté inférieur de la pile de produits (8).
  24. Dispositif selon l'une quelconque des revendications 19 à 23, caractérisé en ce qu'un disque d'appui (14) et/ou une table de support (13) sont dotés côté pile de moyens réduisant le frottement, en particulier de sorties d'air comprimé (30).
  25. Dispositif selon l'une quelconque des revendications 16 à 18, caractérisé en ce que le dispositif d'appui (14, 13 ; 50 ; 67) comprend un certain nombre de cylindres porteurs (53 ; 69) fixés sur un organe de transport et formant une sorte de tapis à rouleaux, sur lesquels la pile de produits (8) repose avec son côté inférieur, des passages de libération (54) étant présents entre deux cylindres porteurs (53 ; 69) ou groupes de cylindres porteurs voisins.
  26. Dispositif selon la revendication 25, caractérisé en ce qu'un organe de traction (51 ; 68) pourvu des cylindres porteurs (53 ; 69) est disposé sur chacun des deux côtés de la pile de produits (8), les cylindres porteurs (53 ; 69) des deux organes de traction (51 ; 68) étant orientés l'un vers l'autre dans la zone de la pile de produits (8).
  27. Dispositif selon la revendication 26, caractérisé en ce que les organes de traction (51) sont agencés dans un plan parallèle à la voie de transport de l'organe d'aspiration, les cylindres porteurs (53) étant logés en rotation libre respectivement sur un bras support (57) d'un levier coudé (60) fixé de façon pivotante sur l'organe de traction (51), et en ce que des éléments de guidage (61, 62) sont présents pour le basculement du levier coudé (60) et des cylindres porteurs (53) dans une position libérant l'évacuation des produits (9).
  28. Dispositif selon la revendication 26, caractérisé en ce que les organes de traction (68) sont agencés dans un plan formant un angle avec la voie de transport de l'organe d'aspiration, les cylindres porteurs (69) étant logés en rotation libre sur des bras porteurs (71) reliés de façon fixe à l'organe de traction (68) respectif et formant un angle avec le plan de l'organe de traction.
  29. Dispositif selon l'une quelconque des revendications 25 à 28, caractérisé en ce qu'il est prévu des moyens (65 ; 65') par lesquels les cylindres porteurs (53 ; 69) logés en rotation libre dans la zone de contact avec le côté inférieur de la pile de produits (8) sont mis dans un mouvement de rotation opposé au sens de déplacement des organes de traction (51 ; 68).
EP00962144A 1999-11-02 2000-09-29 Procede et dispositif pour enlever des produits plats Expired - Lifetime EP1226083B1 (fr)

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CH199899 1999-11-02
CH199899 1999-11-02
PCT/CH2000/000530 WO2001032539A1 (fr) 1999-11-02 2000-09-29 Procede et dispositif pour enlever des produits plats

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CH699859A2 (de) * 2008-11-04 2010-05-14 Ferag Ag Vorrichtung und verfahren zum fördern und abgeben von flachen gegenständen.
CH702403A1 (de) 2009-12-07 2011-06-15 Ferag Ag Verfahren zum Entkoppeln zweier aufeinanderfolgender Produkteströme von Druckprodukten sowie Vorrichtung zur Durchführung des Verfahrens.
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WO2008000099A1 (fr) * 2006-06-30 2008-01-03 Ferag Ag Dispositif pour séparer différents objets plats d'une pile et pour évacuer les objets séparés
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DE50010993D1 (de) 2005-09-22
CA2385050A1 (fr) 2001-05-10
EP1226083A1 (fr) 2002-07-31
AU775234B2 (en) 2004-07-22
DK1226083T3 (da) 2005-09-19
PL198213B1 (pl) 2008-06-30
ATE302152T1 (de) 2005-09-15
AU7400100A (en) 2001-05-14
PL355496A1 (en) 2004-05-04
WO2001032539A1 (fr) 2001-05-10
CA2385050C (fr) 2009-12-15
US6666447B2 (en) 2003-12-23
ES2245317T3 (es) 2006-01-01
US20020125629A1 (en) 2002-09-12
RU2264970C2 (ru) 2005-11-27

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