EP2219981A1 - Système de transport et procédé pour transporter des produits plans - Google Patents

Système de transport et procédé pour transporter des produits plans

Info

Publication number
EP2219981A1
EP2219981A1 EP08852870A EP08852870A EP2219981A1 EP 2219981 A1 EP2219981 A1 EP 2219981A1 EP 08852870 A EP08852870 A EP 08852870A EP 08852870 A EP08852870 A EP 08852870A EP 2219981 A1 EP2219981 A1 EP 2219981A1
Authority
EP
European Patent Office
Prior art keywords
gripper
grippers
products
product
orbit
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.)
Granted
Application number
EP08852870A
Other languages
German (de)
English (en)
Other versions
EP2219981B1 (fr
Inventor
Roberto Fenile
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 EP2219981A1 publication Critical patent/EP2219981A1/fr
Application granted granted Critical
Publication of EP2219981B1 publication Critical patent/EP2219981B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/62—Article switches or diverters diverting faulty articles from the main streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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

Definitions

  • the invention is in the field of conveyor technology, in particular the conveying of sheet products such. Printed products. It relates to a conveyor system and a method for conveying flat products with such a conveyor system according to claims 1 and 13, respectively.
  • the further conveyor is often a gripper conveyor in which a plurality of grippers are moved along a closed orbit.
  • a gripper conveyor in which products delivered by a feed device in the form of a belt conveyor are transferred to a gripper conveyor, is known, for example, from EP-A 0557 680 or CH 655 488.
  • the arriving in dandruff formation products are taken in a takeover area of a curved or straight gripper orbit individually from each one gripper. Its gripper parts are to be moved from an open position to a closed position and vice versa.
  • a stationary Steuerkulisse ( ⁇ frhungs- / Schliesskulisse), which cooperates with a control on the gripper, such as a control roller or a slider.
  • a control on the gripper such as a control roller or a slider.
  • the position along the orbit in which the grippers are closed or opened, and optionally the orientation change made by the gripper, is determined by the shape and position of the corresponding control link.
  • the control link is stationary, so that all grippers pass through the same movement and thus opened or closed at the same opening or closing position and / or pivoted in the same way.
  • Packaging film on If the wrapping or number of products is faulty, the package of individual products can be used during subsequent transport by means of a
  • Grippers can not take over the product, e.g. by being swung out of the transfer area in the manner of a seesaw. This is mechanically complicated.
  • the invention has for its object to provide an improved conveyor system for sheet products, in which the transition between a Zuf ⁇ rder issued and a Greiferf ⁇ rderer products can not be targeted taken.
  • the object is achieved by a conveyor system with the features of claim 1 and by a method for conveying flat products with such a conveyor system according to claim 13.
  • the conveyor system according to the invention for flat products, in particular printed products comprises a feed device and a gripper conveyor.
  • the feeder device can be, for example, a belt conveyor, on whose conveyor belt the products rest individually or in a scale formation. This can, for example, be located at the exit of a filming line, the products being conveyed then being, for example, printed products wrapped in film.
  • the gripper conveyor has in a conventional manner a plurality of grippers which are moved along a closed orbit.
  • the grippers each have two gripper parts which can be pivoted relative to one another and which can assume an open position and a closed position as well as possibly intermediate positions.
  • the position of the gripper parts and / or their orientation with respect to the orbit is adjusted in dependence on the position of the gripper along the orbit by means of at least one control device.
  • This comprises at least one control link, which interacts with the grippers over at least a portion of the orbit.
  • This control link is for example a stationary Schliesskulisse or a trigger or ⁇ ffhungselement or a backdrop, with the pivoting of one or both gripper parts is realized relative to the orbit.
  • the grippers are controlled by the control device in a transfer region of the orbit so that the gripper parts can be transferred from the open position into the closed position. In this way, a product can be picked up, held on and kept on while it is being held.
  • the grippers can be controlled by the control device in such a way that optionally individual grippers can be moved through the transfer region without receiving a product from the delivery device for further transport.
  • This can be realized in various ways, for example by individual or combination of the following measures: non-opening individual gripper before or in the transfer area or moving the closing position, so that products can not be absorbed by the closed gripper; Pivoting individual grippers relative to the orbit before / in the transfer area, so that products are not introduced into the gripper; Keeping individual grippers open in the takeover area, so that the product is introduced but not grasped and falls out again.
  • the control device comprises at least one controllable control link with at least one movable element, such as a movable guide surface or a switchable switch; Preferably, it includes movable ⁇ ffhungs- and / or Schliesskulissen and / or moving scenes for the position / orientation change of the gripper. These can be used alone or in combination with stationary scenes.
  • the guide surfaces of the movable scenes for example, occupy different positions in space and, depending on the situation, act as an active guide surface cooperating with the gripper or have no influence on the gripper. As a result, a change in the movement sequence of individual grippers can be realized.
  • To control the movable scenes is preferably a control unit.
  • Takeover area is understood to mean that part of the orbit of the grippers in which the grippers can basically interact with the products conveyed by the feed device in order to grasp them.
  • product is to be understood as a unit to be conveyed in each case; A product can consist of several sub-products.
  • the products may also be partial products, inserted or collected products; they may be present individually or as (partial) stacks; they can be foliated or unfoliated. For example, it is printed products wrapped in foil. We have to discard in this example Products where the wrapping is faulty or missing, or where partial or sub-products are missing.
  • the inventive method comprises the following steps: conveying the products with the feed device; Grasping and conveying the products through the grippers of the gripper conveyor by bringing the gripper parts in the transfer area from the open position to the closed position; and controlling the open or closed position and / or orientation of the grippers such that, optionally, individual grippers are moved through the transfer area without receiving a product from the feeder device.
  • the conveyor system according to the invention and the corresponding conveying method have the advantage that individual products are not deliberately picked up during the takeover of the products from the delivery flow by the gripper conveyor and thus are not further conveyed. They are therefore discarded in the transition region between feed and gripper conveyor by non-gripping. They fall down, for example, due to gravity and can be disposed of. Preferably, they are additionally additionally actively deflected downwards by the grippers. This minimizes the risk of uncontrolled product parts entering the further conveying path and leading to malfunctions there.
  • the grippers For adjusting the position of the gripper parts relative to one another and / or its orientation, the grippers preferably have control elements which cooperate with at least one guide surface of the control link of the control device.
  • each gripper type for use according to the invention can be used, provided that the control link is adjusted accordingly.
  • the grippers are pivotable as a whole relative to the orbit.
  • the pivot position (orientation of the gripper jaw in relation to the orbit) and the position of the two gripper parts relative to each other ( ⁇ ffhungsSullivan of the gripper jaw) are independently adjustable.
  • the non-Avemhhmen or rejection of a product can be realized by swinging away the gripper. Changing the orientation can be realized largely force-free and thus has the advantage that the corresponding backdrop can be easily and structurally simple and subject to low wear. This also allows fast switching operations.
  • the grippers can be designed, for example, as described in EP-A 0 600 183, EP-A 0557 680 or WO 2007/115421, to which reference is made here. These grippers have two controls in the form of control rollers.
  • a control link (opening and / or closing link) interacts with one of the control rollers and controls in this way the movement of one of the gripper parts, so that thereby the open or closed position or generally the ⁇ ffhungsSullivan of the gripper jaw is determined.
  • Another control link (positioning gate) cooperates with a second control role, and thereby determines the orientation of the second gripper part and thus the entire gripper, regardless of its ⁇ ffhungsSullivan in space. Pivoting position and the ⁇ ffhungsLite the gripper jaw are independently adjustable.
  • the gripper parts according to EP-A 0 600 183, EP-A 0557 680 or WO 2007/115421 are biased in the open position and locked in the closed state by a locking mechanism.
  • the gripper can be opened by releasing the lock by means of a release element (opening element) acting on the locking mechanism.
  • the ⁇ f ⁇ iungs- and / or closing position of the grippers along the orbit and their orientation or orientation change is due to the shape of the control link (s) or by the shape of the guide surface (s), which cooperates with the control / the controls / cooperate specified.
  • the above-mentioned triggering element is also assumed under control cam.
  • the guide surface and the associated closing position changed so that the closing position is in the direction of movement before the transfer area or before the normal closing position used for product pickup; It may also be sufficient that only one gripper part is pivoted away without completely closing the gripper.
  • the gripper is not closed in and in front of the transfer area and / or moved in the closed state through the transfer area and / or pivoted as a whole in the open or closed state so that no Artsaufhahme is possible.
  • Another alternative is the pivoting away of the gripper or a gripper part without moving the closing position, so that the gripper can no longer receive a product due to the changed orientation.
  • the position of the guide surface (s) of the control link (s) with respect to the orbit can be controlled controlled by a control unit.
  • a control unit controls the course of the opening or closing operation and / or the orientation so that a specific product is not absorbed.
  • At least one control link is, for example with respect to the orbit at least in a portion of the orbit displaced or pivoted.
  • the control link can also act on the gripper only in a very small portion of the orbit to achieve a very short ⁇ ffhungs- or closing. This can be assisted by the fact that the gripper is pretensioned in the open or closed position as in EP 0 600 183, EP-A 0557 680 or WO 2007/115421.
  • two or more alternative guide surfaces of the control link (s) are present. If these are stationary, then it can be switched between them, for example by means of a switch. Depending on the switch position, the control elements of the grippers run either along one or the other guide surface. Alternatively, there may be a stationary and a movable control link whose guide surfaces, depending on the position of the movable control link, alternatively act as an active guide surface and determine the course of motion. Therefore, in both cases, the gripper parts pass through the movement pattern which is predetermined by the shape of the active guide surface, eg product pickup or swinging away before the picking position, normal or preferred closing operation. In both variants, very short reaction times can be achieved, which enable in particular an action on only individual grippers. An individual switching and thus controlling individual gripper is possible even at high conveying speeds. Both variants also allow that no heavy parts must be moved, for example, only the switch or only the orientation of one of the gripper parts or the whole gripper (largely force-free) changing scenery.
  • a switch which can be used here, is described for example in the non-prepublished Swiss patent application no. 1888/06. Other switches are also usable.
  • a control signal from an upstream conveyor or machine component is used, which signals a malfunction.
  • a detection device may be present, in particular an optical sensor, which is located in the conveying direction of the feed device in front of the gripper conveyor.
  • a control signal is transmitted to the control unit, which indicates the presence of a product not to be included in the flow.
  • the gripper conveyor is arranged so that its transfer area is at least partially the Zuforder immunity. The grippers approach during movement along the orbit from above to the feeder device. Unabsorbed products can easily be moved downwards with gravity support, without disturbing the movement of the grippers. The Zuforder issued ends, for example, next to or below the gripper conveyor.
  • the gripper can perform a dual function: it serves on the one hand for receiving werterzu conferencenden products and on the other hand - by appropriate movement of the gripper parts - for the active distraction of non-male products.
  • Product uptake as well as active rejection will be explained in more detail below with reference to the drawings.
  • Fig. 3 is a detail view of a gripper for illustrating the ⁇ ffhungsmechanismus
  • FIG. 4 shows a device according to the invention with a stationary and a pivotable control link for realizing two different closing positions
  • Fig. 5 is a detail view of the control gate of Figure 4 and the associated control element on the gripper.
  • FIG. 6 shows a device according to the invention with a controllable triggering element arranged in front of a stationary control link;
  • FIG. 7 shows a device according to the invention with a pivotable control link acting on one of the gripper parts
  • Fig. 8 is a detail view of the apparatus of Fig. 1 or 6 when receiving products from a scale flow.
  • FIG. 1a + b show a conveyor system with a gripper conveyor 10 and a prior art feeder device 50 in two different snapshots when taking over products 60.
  • the present invention is based on such a conveyor system, so this will be described below.
  • a plurality of grippers 12 are moved along a closed orbit U which here comprises two substantially vertically extending straight sections and arcuate connecting links therebetween.
  • the orbit is predetermined for example by the path of the drive member not shown here for the gripper 12.
  • the grippers 12 are present in the counterclockwise direction from top to bottom - to Zuange Rhein 50 out - and then moved back up.
  • the feed device 50 is located on the left below the gripper conveyor 10. It is a belt conveyor with a conveyor belt 52, which is oriented so that the products 60 supplied thereon are brought into the sphere of influence of the grippers 12. In the present case, the conveyor belt 52 is slightly inclined to this end and ends in front of the spatial area which the grippers 12 sweep over in their movement along the orbit U.
  • the grippers 12 are pivotally connected by means of a support member 18 with the drive member as a whole.
  • the grippers 12 comprise two gripper parts 14, 16 which can be pivoted relative to one another and which can assume an open position and a closed position and, if necessary, also intermediate positions.
  • the control link 40 extends in the left part of the orbit U substantially parallel to this. It interacts with one of the controls, namely with the trailing control roller 20 which is assigned to the rear gripper part 14 in the conveying direction. Through the control link 40 together with the control element 20, the orientation of the entire gripper or the trailing gripper part 16 is adjusted relative to the orbit U. In the present case, the orientation is selected so that the trailing gripper part 16 runs approximately perpendicular to the circulation path and thus the gripper jaw is oriented in the open state substantially perpendicular to the orbit. Since the control link 40 is missing in the right part of the orbit U, hang the gripper 12 due to gravity or their ⁇ ffhungsfeder from the support member 18 downward. The additional control link 30 serves to close the open gripper.
  • the guide surface 32 is formed curved relative to the orbit to the outside.
  • the control roller 22 presses the control roller 22 in the gripper movement along the orbit U with respect to the orbit to the outside.
  • the front gripper part 14 is moved to the rear gripper part 16 and the gripper 12 is closed.
  • the front gripper part 14 can be pivoted largely without force until shortly before reaching the actual closing state; until the final closure and locking a force is necessary, which is exerted by the Schliesskulisse 30.
  • the gripper 12 includes a locking mechanism in the form of Verrriegelungsbügels 24 and a latch 26, which are each connected to one of the gripper parts 14, 16 and enter into a closed state with each other a snap connection.
  • This snap connection can be achieved by a control link in the form of a triggering element 28, which is e.g. in Fig. 2a + b or 3 is outlined.
  • the guide surface 29 of the trigger element 28 presses on the Verrriegelungsbügel 24 so that it is pivoted and releases from the locking lug 26. Due to the bias, the gripper parts 14, 16 then assume the open position.
  • the triggering element 28 and its guide surface 29 are arranged stationary, so that each passing gripper 12 is opened.
  • the triggering element 28 may also be controlled relative (e.g., perpendicularly) to
  • Orbit be displaceable U as shown in Fig. 2a + b and in the right part of FIG. 3rd is shown, for example by means of a suitable drive (Hy draulik- / Pneumatikzy cylinder, engine).
  • Fig. 1a + b shows the closing of all open incoming gripper in the transfer area A by means of the stationary Schliesskulisse 30.
  • Fig. Ia the foremost lying on the conveyor belt 52 product 60 has already been gripped by a gripper 12; another open gripper 12 approaches the transfer area A.
  • FIG. 1b the foremost product 60 has already been taken over by the gripper by the conveyor belt 52 and conveyed further.
  • the subsequent product 60 which is now arranged on the conveyor belt first, is moved so that it is introduced into the open gripper mouth of the next gripper 12. All products 60, which are conveyed by the feed device 50 are thus introduced into the open gripper 12 and taken by the transition to the closed position of these.
  • the closing of the gripper 12 takes place at a first closing position 34.
  • the position of the first closing position 34 with respect to the orbit is predetermined by the shape of the closing link 30 or its guide surface 32.
  • the feed device 50 could be pivoted as a whole in the manner of a rocker.
  • Fig. 2a + b shows a - also known - variant of the apparatus of Fig. La + b, are given in the faulty products after recording by the gripper again.
  • a controllable ⁇ ffhungskulisse in the form of a trigger element 28 is provided in the direction of movement of the gripper 12 behind the first closing position 34, the guide surface 29 with respect to the orbit U is displaceable.
  • the grippers 12 are either opened by the trigger element 28 or not. In this way, individual grippers 12 can be selectively opened again after receiving a product 60, so that the defective products 60 that have been picked fall out. These are then removed by means of a further conveyor 70.
  • Fig. 4a + b shows an example of the invention in which such problems are avoided.
  • the device is basically constructed as shown in Fig. La + b.
  • the picking up of products 60 by the gripper conveyor 10 can already be specifically controlled.
  • individual products 60 are optionally not picked up by grippers 12 and conveyed further by them.
  • Fig. La + b Only the differences to Fig. La + b will be discussed.
  • a further control link 80 in the present case.
  • This has a guide surface 82 which is movable relative to the revolving path U.
  • the guide surface 82 is pivotable about an axis 86 extending perpendicular to the orbit U, but it could also be displaceable in the plane of the drawing.
  • the two end positions of the guide surface 82 are shown in Fig. 4a and Fig. 4b.
  • the movement of the link 80 takes place for example by means of a drive element 88, for example a hydraulic / pneumatic cylinder or a motor, which is controlled by a control unit 100.
  • the control unit 100 receives a signal for rejecting a product 60 from the upstream process or from a detection device 110, which is arranged in the conveying direction of Zuelf Republic 50 before the gripper conveyor 10 Er.
  • the guide surface 82 is with respect to the control element 22 completely behind the guide surface 32 of the stationary control link 30.
  • the controls 22 of the grippers 12 "feel" nothing of the other control link 80.
  • the grippers 12 are therefore closed as in Fig. Ia at the above-mentioned closing position 34 and thus receive products 60 on.
  • the guide surface 82 is with respect to the control element 22 at least partially in front of the guide surface 32 of the stationary control link 30.
  • the control 22 therefore no longer rolls on the guide surface 32 of the stationary control link 30, but at least partially on the guide surface 82nd
  • the shape of the resulting "effective" guide surface is different than in the case of Fig. 4a, whereby a different movement sequence can be achieved
  • the leading gripper part 14 is pivoted away at a further position 84 without the gripper 12 completely
  • This further position 84 is predetermined by the shape of the movable guide surface 82.
  • This position 84 lies in the direction of movement of the grippers 12 in front of the above-mentioned normal closing position 34.
  • the gripper part 14 is oriented such that the gripper part 14 thereof is oriented the space swept across the gripper 12 rich does not overlap with the trajectory of products 60.
  • the gripper jaw In the position in which he would usually pick up a product 60, the gripper jaw has the "wrong" orientation, and thus there is no product intake.
  • the gripper 12 is then closed at the normal closing position 34 (here is the movable gate 80 behind the stationary gate 40), but without taking a product 60.
  • the movable link 80 Before the normal receiving and closing position, the movable link 80 must only provide for a brief change in the orientation of the leading gripper part 14, so that the product on the largely closed gripper jaw is brought past. This effect can be achieved largely force-free, also because the grippers have not picked up any load here and no complete closure and locking must be achieved.
  • the movable gate 80 can therefore be simple and easy to design. It only has to protrude beyond the stationary link 30 over a very small part of the movement path U and act on the grippers 12. As a result, a quick switching is possible. Overall, it can be switched with minimal effort between product intake and product rejections.
  • the gripper 12 is preferably moved so that its leading gripper part 14, as it moves through the transfer area A, deflects down the unacceptable product 60, which has already arrived at the end of the conveyor belt 52 of the feeder device 50 and projects beyond it. This product 60 is thus safely directed to the further conveyor 70 and can not reach the area between two grippers 12.
  • the deflection can be achieved, for example, in that the gripper 12 or the gripper part 14, after leaving the area of influence of the movable link 80, returns to its normal position, which is determined by the stationary links 30, and gives the product an impulse downwards.
  • the movable control cam 80 or its guide surface 82 extends in the direction of rotation over a length which may be shorter than the distance between two grippers 12. This makes it possible to influence individual grippers 12.
  • control link 30 described above which serves to adapt the closing position, can also be used. be switched (even mobile) or interact in the manner described with a movable control link.
  • Fig. 5 is shown in more detail how the change of the active guide surface described above can be realized mechanically.
  • the control gates 30, 80 are located in two different planes, which run in or parallel to the plane of the orbit U.
  • the control roller 22 connected to a gripper part 14 has a width b that is greater than twice the width b 'of the guide surfaces 32, 82, measured in a direction perpendicular to the mentioned planes.
  • the control roller 22 consists of two rigidly interconnected partial rollers 22a, 22b, which are movable about a common axis; but it can also be chosen a different form.
  • the partial roller 22a cooperates with the stationary guide surface 32, the partial roller 22b with the movable guide surface 82.
  • Fig. 6a-c show another example of a device with a controllable gate, here a controllable ⁇ ffhungskulisse (trigger element 28), for targeted
  • Triggering element 28 the closed incoming gripper 12 at a first Opening position 90 for product reception either unlocked again and thus opened. They are therefore ready to receive a product 60 in the transfer area A and, as already described, are closed by the stationary closing slot 30 while gripping a product 12 (FIGS. 6a + b). If a product 60 is to be deliberately rejected, the trigger element 28 is not actuated. The corresponding gripper 12 therefore remains closed (FIG. 6b). Due to the locking, the Schliesskulisse 30 in this case has no influence on the position of the two gripper parts 14, 16 relative to each other, but at most affects the position of the gripper 12 in space. The gripper 12 is therefore moved closed by the transfer area A and can not receive a product 60 ( Figure 6c). Preferably, as already described with reference to FIG. 4, the gripper 12 is oriented such that products 60 to be deflected are deflected downwards.
  • This variant has the advantage that only one ⁇ ffhungselement 28 and an additional stationary Schliesskulisse must be used, which is the stationary Schliesskulisse 30 upstream in the transfer area A.
  • FIGS. 1a + b shows a further variant based on FIGS. 1a + b with a movable control link 80 'arranged outside the actual gripper conveyor 10 in two different snapshots.
  • the control link 80 ' comprises a guide surface 82', which is pivotable about an axis extending perpendicular to the plane of the drawing between two end positions (shown in solid or dotted lines in FIG. 6a). It could also be displaceable instead of swiveling.
  • the movable control link 80 ' In its inactive position in Fig. 6b, the movable control link 80 'does not touch the grippers 12. These are therefore, as described above with reference to Fig. La + b, closed by the stationary control link 30. In the active position in Fig.
  • the leading gripper part 14 slides along the guide surface 82 'and touches them. Since the guide surface 82 'does not yield, the gripper part 14 is pivoted relative to the rest of the gripper 12 by the counterpressure of the guide surface 82', so that the control roller 22 assigned to it stands out from the stationary control slide 30 or the guide surface 32. The gripper part 14 is thus pivoted. This ensures that the web of the hook tip does not intersect with that of a product and no takeover takes place. The pivoting is again largely force-free, since the gripper 12 is not locked. This movement is independent of the stationary control link 30 and takes place in the direction of rotation in front of the normal closing position 34 at a further position 84.
  • the gripper 12 Upon further movement of the gripper 12, the influence of the movable guide surface 82 'ends, and the gripper returns to its normal position, which is predetermined by the stationary link 30. He is thus closed at the normal closing position 34.
  • the gripper 12 recovers into its normal position and advantageously deflects the product to be deflected downwards.
  • the movable control link 80 ' is designed, in particular its guide surface 82' or that part thereof which can cooperate with the gripper part 14, so short that a switch between two grippers 12 and thus a targeted driving individual gripper 12 is possible.
  • Fig. 8 shows the inclusion of products 60 from a scale flow. Since the leading edge of the products 60 is always grasped or not grasped, scale flows can be processed in all of the devices shown above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)

Abstract

Ce système de transport pour produits plans (60), en particulier pour produits d'imprimerie, comprend un convoyeur d'alimentation (50) et un transporteur à pinces (10) doté d'une multiplicité de pinces (12) déplacées le long d'une voie de circulation (U), les pinces (12) présentant chacune deux parties de pince (14, 16) pouvant pivoter l'une par rapport à l'autre entre une position ouverte et une position fermée. La position des parties de pince (14, 16) l'une par rapport à l'autre et/ou l'orientation de l'ensemble de la pince (12) dans l'espace est réglée, en fonction de la position le long de la voie de circulation, au moyen d'au moins un dispositif de commande qui comprend au moins une coulisse de commande (28, 30, 40, 80, 80') coopérant avec les pinces, de telle sorte que les parties de pince (14, 16) peuvent passer, dans une zone de transfert (A) de la voie de circulation (U), de la position ouverte à la position fermée afin de transférer les produits (60) sur le convoyeur d'alimentation (50). Afin de rejeter spécifiquement certains produits (60), en particulier des produits défectueux, les pinces peuvent être commandées de sorte que, sélectivement, certaines pinces (12) peuvent être déplacées à travers la zone de transfert (A) sans transférer de produit (60) sur le convoyeur d'alimentation (50). À cet effet, on utilise de préférence des coulisses d'ouverture et/ou de fermeture régulables (30, 80, 80'), et/ou des coulisses de positionnement régulables (40).
EP08852870A 2007-11-22 2008-11-18 Système de transport et procédé pour transporter des produits plans Not-in-force EP2219981B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH18062007 2007-11-22
PCT/CH2008/000488 WO2009065242A1 (fr) 2007-11-22 2008-11-18 Système de transport et procédé pour transporter des produits plans

Publications (2)

Publication Number Publication Date
EP2219981A1 true EP2219981A1 (fr) 2010-08-25
EP2219981B1 EP2219981B1 (fr) 2011-08-31

Family

ID=39156361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08852870A Not-in-force EP2219981B1 (fr) 2007-11-22 2008-11-18 Système de transport et procédé pour transporter des produits plans

Country Status (9)

Country Link
US (1) US8556067B2 (fr)
EP (1) EP2219981B1 (fr)
AT (1) ATE522460T1 (fr)
AU (1) AU2008328461B2 (fr)
BR (1) BRPI0820219A2 (fr)
CA (1) CA2705538C (fr)
DK (1) DK2219981T3 (fr)
RU (1) RU2482047C2 (fr)
WO (1) WO2009065242A1 (fr)

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US20140209434A1 (en) * 2013-01-31 2014-07-31 Honda Motor Co., Ltd. Apparatus for use with fixture assembly and workpiece
EP3433191B1 (fr) * 2017-03-09 2020-03-25 Tyrolon-Schulnig GmbH Dispositif de support et arbre à cames pour dispositifs de préhension

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Also Published As

Publication number Publication date
RU2010125029A (ru) 2011-12-27
AU2008328461A1 (en) 2009-05-28
DK2219981T3 (da) 2011-11-28
CA2705538C (fr) 2015-05-05
BRPI0820219A2 (pt) 2015-06-16
CA2705538A1 (fr) 2009-05-28
EP2219981B1 (fr) 2011-08-31
ATE522460T1 (de) 2011-09-15
US8556067B2 (en) 2013-10-15
US20100314220A1 (en) 2010-12-16
AU2008328461B2 (en) 2013-06-13
RU2482047C2 (ru) 2013-05-20
WO2009065242A1 (fr) 2009-05-28

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