EP3031759B1 - Dispositif et procédé correspondant de transport et transfert d'objets plats flexibles - Google Patents

Dispositif et procédé correspondant de transport et transfert d'objets plats flexibles Download PDF

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Publication number
EP3031759B1
EP3031759B1 EP15197626.3A EP15197626A EP3031759B1 EP 3031759 B1 EP3031759 B1 EP 3031759B1 EP 15197626 A EP15197626 A EP 15197626A EP 3031759 B1 EP3031759 B1 EP 3031759B1
Authority
EP
European Patent Office
Prior art keywords
pressing
conveying
gripper
conveyor
transfer region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP15197626.3A
Other languages
German (de)
English (en)
Other versions
EP3031759A1 (fr
Inventor
Roman Dax
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 EP3031759A1 publication Critical patent/EP3031759A1/fr
Application granted granted Critical
Publication of EP3031759B1 publication Critical patent/EP3031759B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
    • 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
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241—Suction devices
    • B65H29/242—Suction bands or belts
    • 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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/16—Feeding articles separated from piles; Feeding articles to machines by pusher, needles, friction, or like devices adapted to feed single articles along a surface or table
    • 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
    • B65H5/24—Feeding articles in overlapping streams, i.e. by separation of articles from a 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
    • B65H2301/446—Assisting moving, forwarding or guiding of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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
    • B65H2301/44735—Belts, endless moving elements on which the material is in surface contact suction belt
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/55—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means
    • B65H2405/552—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means with permanent interconnection and determined spacing between the grippers

Definitions

  • the invention is in the field of conveyor technology and relates to an apparatus and a method for conveying and transferring flexible, flat objects.
  • the device comprises a gripper conveyor with a plurality of grippers attached to a conveyor chain, which are circumferentially movable along a gripper conveyor track in a conveying direction, further comprising a removal device with a conveyor support, which is arranged in a transfer area below the gripper conveyor track of the gripper conveyor, such that Grippers in the transfer area released objects are placed on the conveyor support.
  • the device contains pressure means, which are designed to press the objects to be transferred in the transfer area onto the conveyor support in such a way that the objects are guided in a controlled manner onto the conveyor support.
  • the articles may be, for example, individual products, in particular printed products, such as newspapers, magazines, brochures or books.
  • product units consist of several products, referred to below as product units.
  • product units may be, for example, collections of stacked products.
  • Product units also consist of one or more products with inserted inserts.
  • Product units of both stacked and nested products are also known.
  • inserts such as leaflets, brochures, flyers, samples, etc. in folded products, such as newspapers stuck.
  • the objects each comprise a plurality of products which are held offset from one another by the gripper and which are also to be transferred with this offset.
  • the complexity of the articles therefore requires a very precise control of the position of the individual products at each point in time of the processing, in particular also during the transfer of the articles between two conveyors.
  • the grippers are opened, the objects are stored by gravity on the underlying conveyor support. The objects are in free fall for a short time and therefore in an uncontrolled state.
  • EP 2 386 512 A1 a device with a gripper conveyor and with a arranged in a transfer area below the gripper conveyor belt conveyor a Weghold confused.
  • the belt conveyor is designed as a vacuum belt conveyor, which sucks the vacuum conveyor belt facing and this already resting before transfer end portion of the article in the transfer area to the vacuum conveyor belt before the grippers are opened. This avoids that the object shifts when opening the gripper during the unguided dropping the object on the conveyor belt.
  • the device described allows a controlled guided delivery of the articles on the conveyor support.
  • the gripper must be significantly modified, which means, for example, the conversion of existing gripper conveyor under considerable effort.
  • the processing speed of the device is limited, since otherwise the mechanical load on the moving through the transfer area extended gripper legs is very large.
  • Low conveyor speeds also occur temporarily in devices which are usually operated at high conveyor speeds.
  • the conveyor speeds for example when starting the device from the Standstill or when stopping the device over a certain period of time, which is characterized in particular by an acceleration or deceleration ramp, low.
  • a start of the device is not only necessary when recording the production but also after interruptions due to malfunction. Accordingly, stopping the plant is not only associated with the cessation of production, but may also be due to production disruption.
  • the device must be operated for a variety of reasons over a certain time or over the entire production period at a low speed, for example, because extremely complex objects are processed.
  • the publication US 2009/194930 A1 describes a device for separating individual printed products from the underside of a stack of printed products and for transporting away the printed products.
  • the device comprises a carrier wheel with a plurality of rotating support rollers.
  • the support rollers are designed so that they press the printed products, while they are stored on a designed as a conveyor path transport means against it.
  • the publication US 2008/067740 A1 describes a device for transferring signatures, comprising a gripper conveyor with a plurality of grippers for holding the signatures and a conveyor belt for conveying away the printed sheets released by the grippers in a transfer area as a scale flow. Furthermore, the device comprises a concentricity with a plurality of fingers, which are respectively assigned to grippers in the transfer area.
  • the fingers form a contact with the printed sheets to be transferred in the transfer area.
  • the invention is therefore based on the object of further developing the device mentioned in such a way that a controlled guided transfer of the held objects is ensured by a gripper conveyor on a conveyor support.
  • a further object is to further develop the device so as to ensure a controlled transfer at both low and high processing speeds without the measures for controlled transfer of the articles leading to problems caused by the high processing speeds ,
  • Another object is to further develop the device so that even existing devices can be converted without undue effort.
  • the invention is characterized in that the pressing means comprises a pressing concentricity acting on the transfer area with a plurality of pressing arms movable along the pressing concentricity and directed outwards, wherein the pressing concentricity is arranged and operable in such a way that in each case a pressing arm presses an object to be deposited on the conveyor support when opening the gripper holding the object in a clamping manner onto the conveyor support.
  • the pressing concentricity is arranged in particular in the transfer area.
  • the pressing concentricity in particular has at least one axis of rotation about which the pressing arms are movable.
  • the pressing concentricity is a pinch wheel rotatably mounted about an axis of rotation.
  • the pressing arms are arranged in particular around the pressure wheel.
  • the Andschreibarme are directed in particular from the axis of rotation to the outside.
  • Under transfer area is to be understood in particular a conveyor track section along the gripper conveyor track, in which the free portion of the objects placed on the conveyor support and the objects are then stored by opening the gripper on the conveyor support, and in which the Andschreib concentricity with its Andschreibarmen in the operating position Pressing force on the objects to be transferred exercises.
  • the articles are in particular articles as described in detail in the introduction.
  • the pressing arm in particular forms a contact section with a contact surface.
  • the contact surface corresponds to the surface with which the pressing arm rests on the object to be transferred.
  • the contact portion is arranged in particular at the free end of the pressure arm.
  • the contact surface is formed by a low-friction material, such as PTFE (polytetrafluoroethylene).
  • PTFE polytetrafluoroethylene
  • a rotatably mounted pressure roller is arranged on the contact section, which forms the contact surface.
  • the pressure roller is rotatably mounted on the contact portion in such a way that the pressure roller pressed by the pressure arm unrolls on the object to be transferred.
  • the pressure roller may be rotatably mounted on a fixed axis of rotation.
  • the pressure roller can also be rotatably mounted on the outer circumference of the contact portion.
  • Other roller bearings are also possible.
  • the Andschreibrad with his Andschreibarmen is particularly dimensionally stable.
  • the contact section describes a predetermined trajectory running around the geometric axis of rotation of the pressure wheel. This is in particular a circular path.
  • the contact portion with its contact surface against the contact pressure generated when pressing the article to the conveyor support is elastic, in particular visco-elastic movable or deflected from its predetermined path of movement.
  • Visco-elastic means that the pressure arm has a partially elastic, partially viscous material behavior with a deflection of the contact portion. This behavior causes the deflection of the arm portion due to the contact pressure elastic behavior comparatively quickly, and that the return to the starting position following the deflection in case of elimination or decrease of the contact pressure viscous behavior is carried out comparatively slowly.
  • the pressing concentricity is in particular designed and arranged in the device in such a way that the contact portion with the contact surface can yield elastically to the object when establishing a contact pressure on the object.
  • the elastic deflectability of the contact portion allows the transfer of different thickness objects, without the position of the pressure concentricity would have to be adjusted relative to the conveyor support. This means, for example, that the axis of rotation of a pressure wheel is in particular stationary.
  • the different distances between the contact surface and the surface of the objects in the transfer region caused by different thicknesses of the articles are compensated by the contact section having the contact surface undergoing a different degree of elastic deflection from its predetermined path of movement.
  • the elastic deflectability of the contact section on the pressure concentricity ensures a more uniform contact pressure, even if the objects have an irregular, z. B. wavy surface or by a scale-shaped tray have a curved surface.
  • the pressing concentricity comprises a rotatably mounted basic body, through which a geometric axis of rotation passes.
  • the pressing arms are moved around the base body.
  • the pressing arms are moved in particular around the outer circumference of the base body.
  • the Andschreibarme can be arranged on a guided around the body, circulating, flexible conveyor member.
  • the pressing arms are arranged on the base body according to this embodiment.
  • the pressing arms are arranged in particular on the outer circumference of the base body.
  • the pressing arms can be attached as separate components on the base body or, as explained in more detail below, together with the main body form an integral molded body.
  • the contact portions are in particular elastically movable or deflectable relative to the base body.
  • the pressure arm forms an elastically bendable arm portion, via which the contact portion with its contact surface is elastically bent away from its orbit.
  • the elastic flexibility of the arm cut can be achieved by the arm portion of a material having elastic properties, such as plastic, or spring steel is or contains.
  • the plastic can be an elastomer.
  • the plastic can be a foam.
  • the elastic flexibility of the arm portion can also be achieved by the construction in combination with a material having elastic properties.
  • the arm portion may include one or more recesses which increase or only allow the elastic flexibility of the arm portion.
  • the elastic property can also be achieved by a hinge connection arranged in the arm section with return properties.
  • the elastically bendable arm portion of the pressure arm contains at least two partial arms, which extend from the main body in the direction of the contact portion and unite in the contact portion, so that the at least two partial arms include a recess together with the base body.
  • body and Andschreibarme are integrally formed. That is, body and Andschreibarme form a one-piece, i. integral, molded body.
  • the molded body can be cast, for example, in one piece.
  • the said molding may also be worked out of a green body.
  • the molding can be punched or cut out of a green body.
  • the pressure wheel is in particular attached to the device via the main body.
  • the main body can z. B. via mounting plates, z. B. by means of screw connections, be attached to the device.
  • the pressing concentricity from a passive position in which the pressing concentricity with its pressing arms exerts no influence on the transfer of the objects in the transfer area, is in an operating position in which the pressing arms of the pressing concentricity are to be transferred Objects in the transfer area act, movable and movable back from the operating position to the passive position.
  • the function of the pressure concentricity may no longer be necessary, since the objects or the products contained therein are stored reliably due to their inertial forces.
  • the assumption of a passive position at high processing speeds has the advantage that the pressure concentricity is not exposed to high mechanical stress. This can reduce noise caused by vibrations, excessive wear and resulting malfunctions.
  • the pressing concentricity is mounted in particular movably on the device relative to the device between a passive and operating position via a mounting device.
  • the mounting device may be formed, for example, as a pivoting device, via which the pressing concentricity is pivotally attached to the device about a pivot axis.
  • the pivoting device comprises, for example, a swivel body, such as a swivel arm, via which the pressing concentricity is pivotably mounted on the device about a pivot axis.
  • the geometric pivot axis corresponds in particular to the geometric axis of rotation of a drive wheel, which will be described below, for driving the pressing concentricity.
  • the pressing concentricity can also cooperate with an actuator arranged on the device, via which the movement of the pressing concentricity between its passive and operating position is triggered.
  • the actuator may, for. B. a retractable and extendable working cylinder, such as hydraulic cylinders or pneumatic cylinders include.
  • the retraction and extension movement of the working cylinder can be controlled by a control device.
  • the retraction and extension movement of the working cylinder causes a pivoting movement of the pressing concentricity about the pivot axis.
  • the pressing concentricity can be moved from a passive position to a variable operating position, wherein the variable operating position is characterized by different distances between the conveyor support and the Andrückarmen or the axis of rotation of a pressure wheel. It is true that the thicker the objects to be transferred, the greater this distance is selected.
  • An Andschreibrad is viewed in the conveying direction, in particular arranged laterally of the grippers.
  • the device may according to an embodiment of the invention include two pressure wheels, wherein a first Andschreibrad on a first side and a second Andschreibrad on the second, opposite side of the gripper is arranged.
  • the two Andschreibgen are particularly coupled drive technology with each other and are driven synchronously.
  • the drive technology coupling is in particular a mechanical coupling.
  • the gripper conveyor has, in particular, a closed conveyor track, along which the grippers are guided circumferentially.
  • the objects are in particular suspended suspended in the transfer area.
  • the gripper holds the objects, in particular on a first edge of the article.
  • the second, free edge of the object opposite the first edge of the object is not held. It is part of a free end section.
  • the gripper conveyor and the removal device are designed and arranged relative to one another such that the objects held by the grippers on the first article edge rest on the delivery support with their free end portion toward the transfer region.
  • the second object edge is in this case a relative to the first object edge in particular trailing edge.
  • the grippers can be directed with their gripper openings counter to the conveying direction in the transfer area and possibly also to the transfer area. That is, a directional component of the gripper openings opposes the conveying direction.
  • the Andschreibarme are now designed especially in the transfer area on the already resting on the conveyor support, free end portions of the objects to press.
  • the pressing arms already press on the free end sections before the grippers are opened and the held first object edge is released for complete removal of the object.
  • the conveying path of the grippers extends in an arc shape from top to bottom towards the transfer area.
  • the conveying path of the grippers extends in an arc shape from bottom to top following the transfer region.
  • the grippers are moved away in this way, following the transfer area of the conveyor support.
  • bottom and top refer to the direction of gravity or against gravity.
  • the conveying path of the grippers extends arcuately from top to bottom towards the transfer region and, following the transfer region, extends arcuately from bottom to top, wherein a bottom section of the Conveyor in the transfer area is located.
  • the conveying path of the gripper is viewed from the conveyor support from particular concave.
  • the conveyor support extends arcuately from top to bottom towards the transfer area.
  • the gripper conveyor and the removal device can, in particular for the transfer area, form a conveying gap extending in an arcuate manner from top to bottom, in which the objects rest with their trailing, free end section of the delivery support.
  • the conveyor support runs along the transfer area along a plane.
  • the conveyor support extends in particular horizontally following the transfer area.
  • the removal device comprises at least one belt conveyor, wherein the conveyor support is formed by the conveyor belt of the at least one belt conveyor.
  • the removal device may include a plurality of belt conveyors arranged one after the other in the process direction and / or next to one another.
  • the at least one belt conveyor can be designed as a vacuum belt conveyor.
  • the vacuum belt conveyor contains a conveyor belt with suction openings.
  • the conveyor belt cooperates with a vacuum source, by means of which air is sucked from the conveyor support through the suction openings in the conveyor belt. Due to the induced draft, the objects deposited on the conveyor belt are sucked to the conveyor support, whereby slippage of the objects on the conveyor support is prevented.
  • a vacuum belt conveyor is z. B. in the publication EP 2 386 512 A1 described.
  • the pressing concentricity is driven in particular via a drive device synchronously with the grippers of the gripper conveyor.
  • the drive means may be adapted to remove the drive force from the conveyor to which the grippers are attached.
  • the conveying member can, for. B. be a conveyor chain.
  • the drive device contains in particular a mechanical transmission, such as toothed belt transmission, via which the driving force is transmitted to the pressing concentricity.
  • the driving force for the pressing concentricity can be removed by the conveying member, so that the movement speed of the pressing arms or the rotational speed of a pressure wheel is coupled to the conveying speed of the gripper conveyor. As a result, a clock-synchronized to the gripper conveyor operation of the pressing concentricity is possible.
  • the driving force can be removed via a drive wheel from the conveyor member, the torque of the drive wheel is transmitted in particular via a gear, such as toothed belt transmission to the Andschreib concentricity.
  • the invention further relates to a method for conveying and transferring flexible, flat objects with a device as described above.
  • the Andrückarm accompanies the object with the contact surface of the contact portion during the transfer in the transfer area in particular touching.
  • the area of touching accompaniment in the transfer area is called contact area.
  • the pressing arm is moved in particular through the contact area, in particular at substantially the same speed as the object to be dispensed.
  • the pressing concentricity is a pressing wheel
  • the pressing wheel is rotated about its axis of rotation so that a co-rotating pressing arm is moved into the transfer area and presses the object to be transferred in the transfer area onto the conveying support.
  • the objects to be transferred are pressed in the transfer area by the pressing arm, in particular during the opening of the gripper against the conveyor support.
  • the objects to be transferred are pressed in the transfer area by the pressing arm, in particular during a defined period before, during and after the opening of the gripper against the conveyor support.
  • the pressing arms in particular press a trailing end section of the objects against the support surface.
  • This trailing end portion is in particular already before the transfer of the objects of the conveyor support.
  • the pressing arms are in particular guided such that they are moved with their contact portion between two successive objects through the transfer area.
  • the pressing arms When viewed in the conveying direction from the side, the pressing arms are moved with their contact sections, in particular between two successive grippers. This means that the pressing arms are moved out of phase with the grippers through the transfer area.
  • the pressure arm which presses the object to be transferred in the transfer area on the conveyor surface, along the Andschreib runout moves, the Andschreibarm moved away after the transfer of the object along its trajectory under repealing the Andschreib tokenes again from the transferred object becomes.
  • the pressing concentricity is a pressing wheel, it is rotated further about its axis of rotation, so that the co-rotating pressing arm, which pushes the object to be transferred in the transfer area onto the conveying support, moves away from the transferred object again after the transfer of the object while canceling the pressing contact becomes.
  • the pressing arms move clock-synchronously with the grippers through the transfer area. Accordingly, the pressing concentricity is moved at a synchronous with the conveying speed of the conveying member speed.
  • the objects are stored in particular in a conveyor formation, such as scale flow, on the conveyor support and fed in particular in the scale flow of a further processing device.
  • the further processing device may be a stacking device in which the articles are stacked.
  • the further processing device can be a filming device, in which the objects are foiled.
  • the further processing device can be an addressing device in which the articles are addressed.
  • the invention has the advantage that objects of different thickness can be transferred without having to make adjustments to the pressing means each time.
  • the pressing means also allow a simple and inexpensive retrofitting of existing devices, without the gripper conveyor and the removal device itself must be rebuilt.
  • the pressing means also allow the assumption of a passive and operating position, so that they can be used optionally.
  • FIGS. 1 . 2a - 2d and 3 show an inventive device 1 according to a first embodiment.
  • the device 1 comprises a gripper conveyor 10 with a plurality of grippers 11 moved along a gripper conveying path U and spaced apart from each other.
  • the device 1 further comprises a conveying device 20 with a conveying support 28.
  • the gripper conveyor 10 and the conveying device 20 form a transfer region T, in which articles 2, 2 'are released by the grippers 11 of the gripper conveyor 10 and onto the conveying support 28 of the conveying device 20 be filed.
  • the conveyor support 28 of the transfer device 20 is arranged in the transfer region T below the gripper 11 of the gripper conveyor 10.
  • the conveying path U of the gripper conveyor extends in an arc shape from top to bottom towards the transfer support toward the transfer region T and, following the transfer region T, in an arcuate manner from the bottom upwards away from the delivery support 28.
  • the grippers 11 reach their lowest position in the transfer area T.
  • the course of the gripper conveyor track U is concave in the transfer area T viewed from the conveyor support 28.
  • the grippers 11 are attached to a driven conveyor chain.
  • the grippers 11 can be opened via mechanical or electrical control elements in the transfer area T. Since the method for opening the gripper in the present invention of minor importance, will not be discussed in more detail here.
  • the removal device 20 contains a vacuum belt conveyor 21 and a transfer conveyor 24 adjoining it in the conveying direction F2.
  • the vacuum belt conveyor 21 includes a plurality of circumferentially guided vacuum belts 22 with suction openings 23, which together form a conveyor support 28.
  • the conveyor support 28 of the vacuum belt conveyor 21 extends in the conveying direction F2 to the transfer area T out arcuate, i. convex, from top to bottom.
  • the gripper conveyor track U extends in the conveying direction F2 to the transfer area T also from top to bottom arcuately convex. Accordingly, the gripper conveyor track U and the conveyor support 28 form an arcuate conveying gap. This conveying gap is dimensioned such that the grippers 11 are guided through the conveying gap at such a distance from the conveying support 28 that the objects 2, 2 'rest with their trailing, free end sections 5 when entering the transfer region T of the conveying support 28.
  • To the vacuum belt conveyor 21 includes in the conveying direction F2 a takeover belt conveyor 24 with a transfer belt 25, which takes over the stored items 2, 2 'from the vacuum belt conveyor 21.
  • a pressing wheel 30 is rotatably arranged in the transfer area T.
  • the Andschreibrad 30, as it is in the FIGS. 1 . 2a-2d . 3 . 4 such as 5a-5b in connection with the device according to the invention is shown in the FIG. 6 shown in an enlarged view. For details about the Andschreibrad 30 is on FIG. 6 directed.
  • the pressing wheel 30 includes a base body 36 and radially outwardly directed Andschreibarme 31.
  • Base body 36 and Andschreibarme 31 are formed from a one-piece molded body. This body consists of a foam (plastic) and has elastic properties.
  • the Andschreibarme 31 each have two outgoing from the main body 36 arms 32a, 32b, which unite to form a contact portion 33 out.
  • the partial arms 32a, 32b include a recess 37 with the base body 36.
  • the partial arms 32a, 32b form an elastic arm section 38, via which the contact section 33 can deflect elastically out of its predetermined movement path B.
  • the pressing arm 31 forms a contact portion 33 towards its free end.
  • the contact section includes a pressure roller rotatably mounted via a rotation axis 34.
  • the pressure roller 34 forms a contact surface 35, via which the pressure arm 31 pushes the object 2, 2 'to be transferred to the conveyor support 28.
  • the device 1 further includes a drive wheel 40, which is coupled to the gripper conveyor chain 15 and driven by them.
  • the drive wheel 40 in turn transmits drive torque to the pressure wheel 30 via a transmission.
  • the transmission comprises a first gear 42, which is coupled to the drive wheel 40 and forms with this the common axis of rotation D2 and a second gear 43, which is coupled to the pressure wheel 30 and forms with this the common axis of rotation D1.
  • the two gears 42, 43 are wrapped by a drive belt 41, which transmits torque from the first gear 42 to the second gear 43 and this on the Andschreibrad 30.
  • the rotational movement of the pressure wheel 30 is thus coupled to the movement of the conveyor chain 15, so that the rotational speed of the pressure wheel 30 is synchronous to the conveying speed of the gripper. This allows a to the grippers 11 isochronous movement of the Andschreibarme 31 in the transfer area T.
  • FIGS. 2a to 2d now show the flow of the transfer of an object 2, from the gripper conveyor 10 to the conveyor support 28 of the removal device 20th
  • the object 2 is held by a gripper 11 in the conveying direction F1 supplied to the transfer area T.
  • the free end section 5 of the object 2 held by the gripper 11 is deposited onto the conveying surface 28 towards the transfer area T.
  • the free end section 5 is conveyed to the gripper 11 in the transfer area T.
  • a pressing arm 31 of the rotating pressure wheel 30 is moved downwards to the trailing end portion 5 of the object 2.
  • the Andschreibarm 31 exerts on the pressure roller 34 on the conveying surface 28 resting end portion 5 a pressing force, which prevents slippage of the article 2 or individual products of the article 2.
  • the object is still held by the gripper 11.
  • the Andschreibarm 31 moves now using a pressing force on the end portion 5 isochronous with the gripper 11 and accordingly with the associated object 2 on.
  • the gripper 11 is then opened, wherein the leading, first edge 3 is lowered to the conveyor support 28 and the secured by the Andschreibarm 31 against slipping object 2 is completely deposited on the conveyor support 28.
  • the pressing arm 31 is moved away by the further rotation of the Andschreibrades 30 under repealing the pressing force of the transferred counter 2.
  • the article 2 is conveyed lying on the removal device 20 lying.
  • the successively transferred objects 2 form an imbricated flow ( 2c, 2d ).
  • FIG. 3 shows the same device as in FIG. 1 and 2a to 2d with the difference that in FIG. 3 much thicker objects 2 'are processed.
  • the deflection of the pressing arms 31 exerting a pressing force on the objects 2 ' is greater.
  • the device according to the second embodiment according to FIG. 4 differs from the device according to the first embodiment according to the FIGS. 1 . 2a-2d and 3 by the removal device 20 '.
  • the removal device 20 ' is here formed by a single belt conveyor 26 with a conveyor belt 27 guided horizontally in the transfer region T. Accordingly, the conveyor support 28 is also horizontal.
  • the free end portion of the object held by the gripper 11 is also deposited on the conveyor support 28 towards the transfer area T.
  • the free end section is conveyed to the gripper 11 in the transfer area T.
  • the main body 36 of the Andschreibrades 30 is rotatably screwed to a connecting plate 44, so that the introduced via the drive wheel 40 torque can be transmitted via the connecting disk 44 on the base body 36 and so on the Andschreibarme 31.
  • the connecting disc 44 has for this purpose arcuate openings 45 through which fastening screws 46 are guided.
  • the Bogenschlitzötechnisch 45 allow alignment and thus adjustment of the Andschreibarme 31 in or against the direction of rotation of the Andschreibrades 30 before creating the non-rotatable connection between the base body 36 and connecting plate 44. In this way, the Andschreibarme 31 before the start of the device relative to the grippers 11th Align precisely, and thus it is possible to set a phase shift to the gripper.
  • the connecting disc 44 may be made of metal or plastic.
  • FIGS. 5a and 5b shows the Andschreibrad 31 according FIG. 1 . 2a-2d . 3 and 4 with a pivoting device as shown for example in the devices according to the FIGS. 1 . 2a-2d . 3 and 4 could find employment.
  • the pivoting device includes an actuating device with a retractable and retractable hydraulic cylinder 6, which is connected to a first end portion of the fixed support structure of the device and a second end portion with the pressure wheel 30.
  • the Andschreibrad 30 is pivotally mounted about a pivot arm 7 about the rotational axis D2 of the drive wheel 40.
  • the pivotal mounting about the drive wheel 40 serves to maintain the distance between the axes of rotation D1 and D2 in the different pivot position, so that the gear arrangement with toothed belt 41 does not have to be adapted to the different pivot positions.
  • FIGS. 6 to 9 show different embodiments of pressure wheels 30, 50, 60, 70 with one-piece moldings, which comprise the base body 36, 56, 66, 76 and the Andschreibarme 31, 51, 61, 71.
  • the pressure wheel 50 according to FIG. 7 also has a base body 56 and starting from this radially outwardly directed Andschreibarme 51.
  • the Andschreibarme 51 are outward counter to the direction of rotation and accordingly contrary the conveying direction F1 in the transfer region in the intended direction of deflection of the contact portion 53 is slightly bent, whereby the deflection of the contact portion 53 is facilitated.
  • the pressure arm 51 has an elastic arm portion 58, via which the contact portion 53 is elastically deflected out of its predetermined movement path B.
  • a pressure roller 54 is arranged, which forms a contact surface 55.
  • the pressure roller 54 is shown only schematically.
  • the pressure wheel 60 according to FIG. 8 also has a base body 66 and starting from this radially outwardly directed Andschreibarme 61.
  • the Andschreibarme 61 run counter to the direction of rotation and correspondingly opposite to the conveying direction F1 in the transfer region T inclined obliquely outwards.
  • the Andschreibarme 61 are accordingly obliquely inclined in the intended direction of deflection of the contact portions 63, whereby the deflection of the contact portion 63 is facilitated.
  • the pressing arm 61 has an elastic arm section 68 with a recess 67, via which the contact section 63 is elastically deflectable out of its predetermined movement path B.
  • the contact surface 65 of the contact portion 63 is formed as a sliding surface.
  • the Andschreibrad 70 according to FIG. 9 also has a base body 76 and starting from this radially outwardly directed Andschreibarme 71.
  • the Andschreibarme 71 run counter to the direction of rotation and correspondingly opposite to the conveying direction F1 inclined in the transfer region T outward.
  • the Andschreibarme 71 are correspondingly inclined in the intended direction of deflection of the contact portion 73, whereby the deflection of the contact portion 73 is facilitated.
  • the Andschreibarm 71 have two outgoing from the main body 76 arms 72a, 72b, which unite to the contact portion 73 out.
  • the partial arms 72a, 72b close together with the base body 76 a recess 77 a.
  • the arms 72a, 72b form the elastic arm portion 78, via which the contact portion 73 can deflect elastically out of its predetermined movement path B.
  • a pressure roller 74 is arranged, which forms a contact surface 75.
  • the device according to FIG. 10 is with the exception of Andschreib concentricity 80 analogous to the device according to FIG. 4 built up.
  • the pressing concentricity 80 includes two spaced-apart base bodies 86 which are rotatably mounted about an axis of rotation D1, D1 '.
  • the one base body 86 is analogous to the Andschreibrad after FIG. 1 . 2 . 3 and 4 via a gear 42, 43 driven by toothed belt 41. With regard to the drive of the main body 86, reference is therefore made to the corresponding description above.
  • the pressing concentricity 80 further includes a, around the two main body 86 circumferentially guided toothed belt 83, on which outwardly facing, spaced-apart Andschreibarme 81 are arranged.
  • the Andschreibarme 81 according to the in FIG. 1 . 2 . 3 . 4 . 5 and 6 described Andschreibarmen, but with the difference that the Andschreibarme are not an integral part of the body, but are attached to the toothed belt 83.
  • the Andrückarme 81 also each include a first and second arm 82a, 82b, which include a recess 87. At the outer end of the contact portion also a pressure roller 84 is also arranged rotatably mounted.

Landscapes

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

Claims (17)

  1. Dispositif de transport et de transfert d'objets flexibles plats (2, 2'), contenant :
    un transporteur (10) à pinces présentant plusieurs pinces (11) fixées sur une chaîne de transport qui sont aptes à être déplacées sur le pourtour dans une direction de transport (F1) le long d'une piste (U) de transport de pinces,
    un dispositif (20) d'enlèvement présentant un appui de transport (28) disposé dans une région de transfert (T) située en dessous de la piste (U) de transport de pinces du transporteur (10) à pinces de telle sorte que des objets (2, 2') libérés par les pinces (11) dans la région de transfert (T) soient déposés sur l'appui de transport (28),
    des moyens de poussée conçus pour pousser les objets (2, 2') à transférer dans la région de transfert (T) sur l'appui de transport (28) de telle sorte que les objets (2, 2') soient déposés sur l'appui de transport (28) en étant guidés de manière contrôlée,
    caractérisé en ce que
    les moyens de poussée contiennent un élément rotatif de poussée (30) qui agit sur la région de transfert (T) et qui présente plusieurs bras de poussée (31) aptes à être déplacés le long de l'élément rotatif de poussée (30) et orientés vers l'extérieur, l'élément rotatif de poussée (30) étant disposé et pouvant être actionné de telle sorte qu'à chaque fois un bras de poussée (31) pousse sur l'appui de transport (28) un objet (2, 2') à déposer sur l'appui de transport (28) lors de l'ouverture de la pince (11) qui serre l'objet (2, 2').
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément rotatif de poussée (30) est une roue de poussée montée à rotation autour d'un axe de rotation (D1).
  3. Dispositif selon les revendications 1 ou 2, caractérisé en ce que le bras de poussée (31) forme une section de contact (33) qui présente une surface de contact (35) et la section de contact (33) présentant la surface de contact (35) peut être déviée de manière élastique et en particulier viscoélastique par la poussée d'appui lorsque l'objet (2, 2') est poussé contre l'appui de transport (28) en opposition à la poussée d'appui.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que l'élément rotatif de poussée (30) contient un corps de base (36) monté à rotation par lequel passe un axe géométrique de rotation (D1), des bras de poussée (31) étant disposés autour du corps de base (36) en faisant saillie vers l'extérieur depuis le corps de base (36).
  5. Dispositif selon la revendication 4, caractérisé en ce que les bras de poussée (31) et le corps de base (36) sont formés d'une seule pièce.
  6. Dispositif selon la revendication 3 ou l'une des revendications 4 et 5 qui lui sont subordonnées, caractérisé en ce que le bras de poussée (31) présente une section de bras élastiquement flexible (38) par laquelle la section de contact (33) avec sa surface de contact (35) peut être déviée élastiquement.
  7. Dispositif selon l'une des revendications 4 à 6 subordonnées à la revendication 3, caractérisé en ce que la section de bras élastiquement flexible (38) du bras de poussée (31) contient au moins deux bras partiels (32a, 32b) qui s'étendent à partir du corps de base (36) en direction de la section de contact (33) et qui se réunissent en direction de la section de contact (33), les deux ou plusieurs bras partiels (32a, 32b) formant une découpe (37) avec le corps de base (36).
  8. Dispositif selon l'une des revendications 6 et 7, caractérisé en ce que la section de bras élastiquement flexible (38) est constituée d'une matière synthétique présentant des propriétés élastiques ou contient cette dernière.
  9. Dispositif selon la revendication 8, caractérisé en ce que la section de bras élastiquement flexible (38) est constituée d'une matière moussée à propriétés élastiques ou contient cette dernière.
  10. Dispositif selon la revendication 3 ou l'une des revendications 4 à 9 qui lui sont subordonnées, caractérisé en ce qu'un rouleau de poussée (34) qui forme la surface de contact (35) est disposé sur une section de contact (33) du bras de poussée (31).
  11. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'élément rotatif de poussée (30) peut être déplacé par un dispositif de maintien (6) depuis une position passive dans laquelle l'élément rotatif de poussée (30) n'exerce aucune influence sur le transfert des objets (2, 2') dans la région de transfert (T) jusque dans une position de fonctionnement dans laquelle les bras de poussée (31) agissent sur les objets (2, 2') à transférer dans la région de transfert (T), et peut être ramené à nouveau depuis la position de fonctionnement jusque dans la position passive.
  12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'élément rotatif de poussée (30) peut être entraîné par un dispositif d'entraînement (40, 41, 42, 43) de manière synchronisée par rapport aux pinces (11) du transporteur (10) à pinces.
  13. Procédé de transport et de transfert d'objets plats flexibles (2, 2'), en particulier de produits d'imprimerie, à l'aide d'un dispositif (1) selon l'une des revendications précédentes, le procédé présentant les étapes suivantes :
    déplacement vers la région de transfert (T) d'une pince fermée (11) avec un objet (2, 2') à transférer maintenu par celle-ci,
    déplacement d'un bras de poussée (31) le long d'un élément rotatif de poussée (30) dans la région de transfert (T), le bras de poussée (31) déplacé dans la région de transfert (T) poussant l'objet (2, 2') à transférer sur l'appui de transport (28) dans la région de transfert (T),
    dans la région de transfert (T), ouverture de la pince (11) qui maintient l'objet (2, 2') à transférer et
    pose de l'objet (2, 2') à transférer sur l'appui de transport (28).
  14. Procédé selon la revendication 13, caractérisé en ce que le bras de poussée (31) accompagne avec contact l'objet (2, 2') avec la surface de contact (35) de la section de contact (33) pendant le transfert dans la région de transfert (T) et est ainsi déplacé essentiellement à la même vitesse que l'objet (2, 2') à délivrer.
  15. Procédé selon l'une des revendications 13 et 14, caractérisé en ce que l'objet (2, 2') à transférer est poussé par le bras de poussée (31) contre l'appui de transport (51) pendant l'ouverture de la pince (11) dans la région de transfert (T).
  16. Procédé selon l'une des revendications 13 à 15, caractérisé par les étapes supplémentaires suivantes :
    déplacement le long de l'élément rotatif de poussée (30) du bras de poussée (31) qui pousse l'objet (2, 2') à transférer sur l'appui de transport (28) dans la région de transfert (T), le bras de poussée (31) étant éloigné de nouveau de l'objet (2, 2') à transférer, avec suppression du contact de poussée après le transfert de l'objet (2, 2').
  17. Procédé selon l'une des revendications 13 à 16, caractérisé en ce que dans la région de transfert (T), les bras de poussée (31) sont déplacés à une cadence synchronisée et déphasée par rapport aux pinces (11).
EP15197626.3A 2014-12-08 2015-12-02 Dispositif et procédé correspondant de transport et transfert d'objets plats flexibles Not-in-force EP3031759B1 (fr)

Applications Claiming Priority (1)

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CH01893/14A CH710449A1 (de) 2014-12-08 2014-12-08 Vorrichtung und Verfahren zum Fördern und Transferieren von flächigen Gegenständen.

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EP3031759B1 true EP3031759B1 (fr) 2017-07-19

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US (1) US10040655B2 (fr)
EP (1) EP3031759B1 (fr)
AU (1) AU2015268565A1 (fr)
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CH712497A1 (de) * 2016-05-30 2017-11-30 Ferag Ag Zuführvorrichtung zum Zuführen von Produkten an eine Weiterverarbeitungsvorrichtung.
WO2018142757A1 (fr) * 2017-01-31 2018-08-09 富士フイルム株式会社 Dispositif de transport et dispositif de formation d'image
CN107140456B (zh) * 2017-06-09 2019-05-28 常州大学 一种四抓点用于传递待印刷件的装置
CN110540050B (zh) * 2019-04-19 2024-05-28 宜华生活科技股份有限公司 一种不规则小截面线条输送装置

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CH710449A1 (de) 2016-06-15
AU2015268565A1 (en) 2016-06-23
CA2913837A1 (fr) 2016-06-08
US10040655B2 (en) 2018-08-07
EP3031759A1 (fr) 2016-06-15
US20160159595A1 (en) 2016-06-09

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