EP0897890B1 - Procédé et dispositif pour produire un courant de produits tournés avec une pince de préhension de coin - Google Patents

Procédé et dispositif pour produire un courant de produits tournés avec une pince de préhension de coin Download PDF

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Publication number
EP0897890B1
EP0897890B1 EP98114037A EP98114037A EP0897890B1 EP 0897890 B1 EP0897890 B1 EP 0897890B1 EP 98114037 A EP98114037 A EP 98114037A EP 98114037 A EP98114037 A EP 98114037A EP 0897890 B1 EP0897890 B1 EP 0897890B1
Authority
EP
European Patent Office
Prior art keywords
grippers
product
products
conveying
recited
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
EP98114037A
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German (de)
English (en)
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EP0897890A2 (fr
EP0897890A3 (fr
Inventor
Charles Henry Dufour
Kevin Lauren Cote
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Publication of EP0897890A2 publication Critical patent/EP0897890A2/fr
Publication of EP0897890A3 publication Critical patent/EP0897890A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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
    • B65H29/005—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers by chains or bands having mechanical grippers engaging the side edges of articles, e.g. newspaper conveyors
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • 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
    • B65H2301/445—Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4451—Moving, forwarding, guiding material stream of articles separated from each other forming a stream or streams of separated articles

Definitions

  • the present invention relates generally to the transport of signatures in one Printing machine with a gripper and conveyor system that signatures in one Configuration with leading corners transported.
  • the invention relates a device for creating a rotated product stream along a Conveyor path, which comprises a conveyor belt and a plurality of grippers, which on the Conveyor belt are attached, each of the plurality of grippers a respective product seizes the product flow and transports the product flow in a conveying direction, wherein at least one of the plurality of grippers by rotating through an angle of an angular position can be transferred to at least one further angular position, and a method for creating a rotated product stream along a Funding paths according to the preamble of claim 16.
  • a web of material runs in a conventional web-fed rotary printing press, for example from a roll, into a feed mechanism and then runs through or several printing units followed by processing units.
  • processing units can include a dryer, a cooling unit, a slitter, a cutting machine, a perforating machine and / or one Folder include a section with turning bars, a braking unit and includes a stacker.
  • signatures Manufactured printed products and for further processing for example for binding, prepared to produce an end product.
  • a sheet-fed press leads individual sheets through printing units, dryers, a cooling unit and other possible Processing units before the sheets are finally folded and / or stacked.
  • the sheetfed press does not need a cutting machine in the same way as a web-fed rotary printing press that requires cutting the web for processing, however, both types of press signatures as a stream of Transport printed products during press operation.
  • a stream of printed products can be gripped by a gripper conveyor, such as is generally known to the person skilled in the art. It is often desirable to include this product stream process, for example by dividing it into two or more separate streams or subjected to certain other processing such as conveying and stacking.
  • the conventional method of dividing a product stream, in particular Print products is to seal the original product stream over a vacuum belt pull, which runs slower than the conveyor system, and any other (i.e. second) signature release from a gripper conveyor as soon as the signature in question releases the vacuum belt contacted.
  • this often leads to a relative movement between the signatures, which are carried out on the vacuum belt and the signatures which are carried out by the Conveyor system remain in place. As a result, correct alignment and fixed Division (the distance between the same points of two consecutive signatures in a product stream) of the signatures supplied to the vacuum belt is not guaranteed become.
  • each gripping device comprises a stationary one Jaw, a rotatable jaw and a plate-shaped stop.
  • the rotatable jaw against the action of a closing spring by a Cam structure or similar device rotated.
  • the products are initially accelerated and then pushed into the open gripper mouth until it hit the stop butt so that the printed products are aligned in the area of their leading edges become.
  • the printed products remain on their trailing edges at least as long under the conveying action of the belt conveyor until the gripper units are closed.
  • U.S. 4,072,228 shows an apparatus for equalizing a print product stream.
  • This The device comprises a number of rotating entrainment elements which are in one another Train connection available.
  • the Driving elements guided and driven by a thrust drive at the beginning of the path, while at the end of it they are powered by a train drive.
  • the Driving elements capture the printed products, and the push and pull drives act a change in the spacing of the driving elements and thus in the Spacing of products.
  • U.S. 3,809,214 discloses an inverting conveyor for flat structures, in particular Printed products.
  • This turning conveyor includes a variety of driving elements that move with the flat structures, and each of these driving elements can are each engaged with a respective flat structure.
  • the Take-away items are regulated so that they are at least at the time when they are in engagement with a flat structure, a relative movement with respect to the Execute the direction of movement of the main conveyor to the flat structures by one Rotate axis that is perpendicular to the flat structures.
  • Transport in addition Gripper conveyor, for example from that in DE 196 21 331 A. described type, Signatures for processing in a printing press.
  • EP 089 69 42 A discloses a device for dividing specimen streams behind a folder.
  • the downstream separation device comprises a first and second conveyor system, which each have a drive, conveyor cable and a plurality of Includes gripper blocks, which are each connected to the conveyor cables.
  • the Conveyor cables are designed so that they are parallel during part of the conveyor path run towards each other and separate from each other during another part of the funding path are.
  • the gripper elements are relative to the respective gripper blocks around an axis, which extends perpendicular to the conveying direction, rotatable.
  • the object of the present invention is to provide an apparatus and a method for Creation of a rotated product flow along a conveyor path so that the products can be transported under improved aerodynamic, mechanical and dynamic conditions is possible.
  • this object is achieved by a device with the features according to Claim 1 and solved by a method with the features according to claim 16.
  • a method and a device for gripping a signature of a product stream at the corner of the signature and for transporting the Signature provided in a configuration in which the gripped corner of the leading part of the signature, the device having a single conveyor belt includes a plurality of grippers that extend along a single conveyor path move.
  • the grippers are able to close the signatures at one of their corners and behind grasp and can move into a position, with the signature on the grasped Corner is guided so that a product stream in a configuration of the leading corners or the "A-shaped angle" is created.
  • Each of the grippers can be able to put a product in a range of about 30 to 60 degrees to thereby create a product flow create that has a leading corner configuration. So created for example, a 45 degree turn a configuration of the leading corners, in that the two front sides of the signature form a 45 degree angle with a line, which is perpendicular to the direction of movement.
  • the grippers it is also possible to turn only some of the grippers leave while the other grippers remain unrotated.
  • the Product stream to be divided so that some of the products become a secondary Product stream can be implemented while some products in the original Product stream remain.
  • At least one gripper is with different degrees of rotation intended.
  • the gripper rotates in a range of approximately 30 to 60 degrees, to achieve a configuration of the leading corners.
  • grippers in a larger range, for example from about 120 to 150 Degrees, thereby rotating an alternative corner to the position of the leading corner.
  • a rotating gripper that has a corner on the grips leading edge of a signature stream. With a 45 degree turn one of the corners of the leading edge of the original product stream is the leading Corner. With a rotation of 135 degrees, however, one of the corners becomes trailing Edge of the original product stream the leading corner.
  • the individual grippers can be operated individually, so that a whole variety of Product sharing patterns can be achieved, such as sharing or pasting selected products whenever necessary. They are also alignment and division of the secondary product stream ensured because the products of the secondary Electricity does not have to be placed on a vacuum belt, which leads to changes in position the scale formation can lead.
  • the products are in the original Product flow conveyed so that it is essentially on one side of the conveyor path extend.
  • the products can then work together or selectively to a suitable degree be rotated to the selected products in a configuration with leading Bring corners, and can be essentially horizontal within them extending plane. This reduces compared to conventional ones Systems with the required second belts the space required on the conveyor belt and offers improved transport properties for the rotated product stream.
  • a device for stepless Regulation on the side of the funding path will be provided to the products of the to seize and receive secondary current inevitably. After the entry The grippers give the products to the device for stepless regulation free, and are a fixed division and correct alignment for the secondary stream ensured because the products under constant rotation and transfer Are control.
  • a similar one Device also implement products that remain in the original product stream.
  • a continuous Product transport is achieved by providing individual grippers that span the entire individual funding path are interconnected.
  • the individual funding path can be a first, a second, a third or have multiple groups of grippers, with the members of each group being able to be operated individually.
  • each gripper comprises a gripper head, which is rotatable about an axis of rotation, and the one movable lower section for Grasping and releasing the products.
  • the first actuator can be a first, for example Actuating pin that is connected to a spring drive, a hydraulic drive, a Pneumatic drive or other suitable device for moving the movable lower portion of the gripper head is coupled.
  • a second actuator is for Turning the gripper head between a first position (e.g. holding products in the original product stream) and a second position (e.g. holding products in the secondary product stream).
  • the second actuator can for example, a second actuating pin that is connected to a spring drive, for example, a hydraulic drive, a pneumatic drive or another suitable device is coupled to rotate the gripper head.
  • Fig. 1 shows a conveyor path 4 for sheet-like products.
  • a folder 1 has two (shown schematically) frames, which are bridged by trusses 2.
  • the Folder 1 is of any well-known type and displays products or signatures.
  • the frame of the folder 1 is raised, for example on a base 3 on the Floor of a printing house.
  • the folder 1 has a product transfer section 6 where Products designed by the folder 1 from a conveyor belt 9 (not shown) to be gripped.
  • This conveyor belt 9 passes one Exit section 8 of the folder 1 and transports the gripped products along of the conveying path 4 in the conveying direction 5.
  • the conveyor belt After delivery of the seized products to different release stations Binding devices or their insertion in printing material, i.e. Newspapers, magazines or the like, the conveyor belt arrives via the inlet section 7 Folder 1.
  • Fig. 2 (a) - (c) show an embodiment of the conveyor belt 9 in larger Detail.
  • a single conveyor belt (9) comprises for example grippers 10 which are connected to one another.
  • the grippers 10 have Guide rollers 11, 12 which are attached to a U-shaped housing 190 so as to ensure that the conveyor belt 9 follows the path of a stationary conveyor track 200, the for example, can be constructed in an L-shaped configuration.
  • Fig. 2 (b) and 2 (c) are the guide rollers 11 in rolling engagement with the horizontal one Section of the stationary conveyor track 200 while the guide rollers 12 in rolling Are engaged with the vertical portion of the stationary conveyor track 200.
  • everyone who Gripper 10 is provided with a first actuating pin 13 which is (not 13.3) is biased.
  • each of the grippers 10 comprises a support 19 which is perpendicular to the Direction of conveyance extends. On the pad 19 are the gripper head 15, the spring 13.3 and the operating pin 13 is fixed as shown in Figs. 3 (a) - (d) in detail.
  • the conveyor belt 9 includes one first group 17 of grippers 10, hereinafter A-grippers, and a second group 18 of Grippers 10, in the following B-grippers. It is easy to see that a third, fourth or other types of grippers can be defined. For Explanation of the principle is sufficient, however, an A-gripper group 17 and a B-gripper group 18 to be defined. As shown in Fig. 2 (a), the grippers 10 have one Rotation axis 20 about which the gripper head 15 can be rotated.
  • FIG. 3 (a) - (d) show an exemplary gripper 10 according to the present invention in FIG greater detail.
  • the gripper 10 is transported in the conveying direction 27 and is guided by guide rollers 11, 12 along the conveyor track 200 in a conventional manner.
  • the axis of rotation 20 extends, for example, perpendicular to the conveying direction 27, whereby the gripper head is allowed to rotate.
  • the rotary movement of the gripper head 15 extends about 45 degrees through the predetermined angle 25 as shown, as shown in FIG. 3 (b), but can also be changed to accommodate other rotational positions enable.
  • a rotation of the signatures in such a way that the Edge an angle in a range of about 30 to 60 degrees with respect to the Form direction of movement of the signatures according to the present invention the Improve the transport properties of the signatures.
  • rotations of more than 135 degrees as by an alternative second position with a 25 'angle of rotation Fig. 3 (b) shown alternative configurations with leading corners. So for Example a rotation of about 45 degrees a first corner to the position of the leading one Bring corner. Continued rotation by an additional 90 degrees (a total of approximately 135 Degrees) could be a corner next to the first corner in the position of the leading corner bring.
  • Fig. 3 (c) shows a cross section through a portion of the gripper 10.
  • the first Actuating pin 13 has a movable section 23 of a product gripper head 15 connected via a rod 13.4.
  • a stationary section 22 of the product gripper head 15 is attached to the pad 19.
  • the movable portion 23 of the gripper 10 is moved down and gives a product freely between the stationary section 22 and the movable section 23 is held.
  • Inside a housing 13.1 there is a spring 13.3 between an upper one Edition 13.5 and a lower edition 13.2 preloaded, the upper edition being 13.5 the rod 13.4 is attached.
  • the Rod 13.4 moves the movable section 23 downwards, as described above, the spring 13.3 compresses.
  • the compressed spring expands and moves the movable portion up to the stationary section 22.
  • a biasing device like for example, a spring 13.6 attached to the rotary movement of the gripper head 15 facilitate.
  • a second actuating pin 130 is for triggering a rotary movement of the Gripper head 15 is provided around the axis 20.
  • a tensioning device e.g. a strut, correspondingly in the path of the Gripper head 15 is attached
  • the gripper head 15 Immediately before entry section 7 (see Fig. 1) grips a tensioning device (e.g. a strut, correspondingly in the path of the Gripper head 15 is attached) the gripper head 15 and rotates it into a first (tensioned) Position as shown in Fig. 3 (b).
  • the spring 13.6 is replaced by a Trigger device (e.g. a nose holding one end of the spring 13.6) under tension held.
  • the Tripping device causes the spring 13.6 to release the tension and the Gripper head gradually turns counterclockwise along angle 25 in second (rotated) position as shown in Fig. 3 (b).
  • triggering the second actuating pin 130 and triggering the first actuating pin 13 by the trigger device 340 can be accomplished in a variety of ways.
  • the release of the spring 13.6 provide for both 45 ° and 135 ° rotation, albeit the rotation back to the clamped position for the 135 ° rotation, for example one Rotational movement via a (not shown) collective gear would require.
  • the rotation of the gripper head 15 could include conventional hydraulic or pneumatic devices can be accomplished.
  • an electrically controlled motor could be used.
  • the gripper head 15 is under the control of a pneumatic, hydraulic or electrically controlled device returned to the first position can be.
  • the rotation from the second position to the first position could then for example by providing an additional actuating pin or by switching of the actuating pin 130 are effected.
  • the Actuating pin 13 is shown as opening the gripper by means of a spring device, it can be assumed that a hydraulic or pneumatic device or any other suitable device could also be used.
  • the gripper device grabs and transports signatures in an overlapping configuration Product flow.
  • the gripper device has gripper jaws, for example for Grab a corner of a signature are executed.
  • a variety of Gripper devices are known in a chain link configuration, for example summarized to transport a continuous stream of signatures.
  • Figure 4 (a) is an illustration of a scaled product stream from which products are selective be removed.
  • the conveyor belt 9 transports a shingled product stream 32, including products 29, 30, which are in the conveying direction 27 along the conveying path 5 move.
  • Each of the products 29, 30 is gripped by a gripper head 15.
  • the grippers 10 each have an axis of rotation 20 that the Gripper head 15 allows rotation.
  • 4 (a) shows one for clarity Group 17 of A grippers and a group 18 of B grippers, the A grippers 17th and the B grippers 18 grip a product stream 29 or 30.
  • the B grippers can for example, essentially remain in their position relative to the conveying direction 27 and so keep the products 30 in a fixed division on one side of the conveyor track.
  • the Products 29, each of which is gripped by an A-gripper 17, can be around the Axis 20 are rotated, creating the shingled formation of the product stream leave.
  • the products 29 take the A gripper 17 shows a configuration of the leading corners, the gripped corner of the leading part of the signature.
  • the previous leading edge of the products 29 becomes one side edge and the original side edge accordingly becomes a second, opposite side edge, the side edges of the leading corner lagging as seen in Fig. 4 (b) and explained in more detail below.
  • the stream of leading corners is now on the side of the original conveyor track transferred.
  • Fig. 4 (b) shows only the products of Fig. 4 (a) which are selective from the original Conveying position has been rotated so that the movement can be seen more clearly by 45 degrees.
  • the dashed line which extends in the conveying direction 27, indicates the centers of the Axes of rotation 20 on, which are substantially parallel to the conveyor path 4 in a fixed Position to be transported.
  • the gradual rotation of a selected one Product 29 is recognizable.
  • the selected ones Products 29 accordingly their promotion position in a configuration of the preceding Corners or the "A-shaped angle" changed.
  • product 29 Before rotation, product 29 has one leading edge 300 and a side edge 310. After the rotation, the previous one leading edge 300 one of the front side edges 300 ', and the former side edge Edge 310 becomes the other front side edge 310 ', with each side edge of the behind the leading corner.
  • the leading corners are in the configuration two opposite free corners 320, 321 are provided.
  • An opposite free corner is on either side of the leading corner and is slightly behind the leading corner Corner arranged.
  • the A-shaped angle also provides improved access to the Grasp the edges 300 ', 310' that are adjacent to the leading corner and the two opposite free corners 320, 321 for further handling of the signature stream.
  • the configuration of the leading corners provides improved access to the Signature stream for additional gripper conveyors to redirect a signature or To seperate the current.
  • Fig. 5 shows a product stream in which all signatures in the original Product flow by 45 degrees in a configuration according to the leading corners present invention are rotated.
  • the current does not have to be selectively rotated as in Fig. 4 (a) become. 5, both the A-grippers 17 and the B-grippers 18 around the Axis 20 rotated and thereby leave the shingled formation of the product stream.
  • the advantageous arrangement of the opposite free corners 320, 321 is shown in FIG. 5 recognizable, as well as the newly configured side edges 300 ', 310'.
  • the Configuring the A-shaped angle advantageously provides easy access the opposite free corners 320, 321 and the side edges 300 ', 310' for Method like gripping with another gripper conveyor device over and under the signatures.
  • the configuration of the A-shaped angles makes it easier Grab individual signatures of any scale-like product stream, - one Task that is more difficult in a standard configuration of the leading corners even if individual signatures are in places other than at a corner of the signature be taken. Transporting the product stream at an A-shaped angle also offers improved aerodynamic, mechanical and dynamic effects, which makes Buoyancy and bending of the signatures during transport to a minimum being held.
  • Fig. 6 shows a device for continuous regulation 34 to maintain a fixed division and correct product alignment after approval of, for example, the Products 29 from the grippers 10.
  • products 29, 30 are opened each side of the conveyor path transported with a fixed division 35.
  • a device for stepless regulation 34 are transmitted.
  • the facility for stepless regulation 34 can comprise, for example, a group of bands, which are on the side of the conveyor track to which the rotated products 29 are moving become.
  • an original current of Products are divided into two separate product streams that have a fixed division 35 have, and there may be a release of products 29, 30 at different Release stations are accomplished. Since the first and second groups of grippers 17, 18 connected together in an endless configuration can be a continuous Discharge of products 29, 30 can be maintained on both sides of the conveyor path.
  • a product stream for which both the A grippers 17 and the B grippers can be used 18 were rotated 45 degrees so that the entire stream was in an A-shaped configuration Angle is easily behind by further processing because of the advantageously accessible opposite free corners and the free sections of the side edges are separated. Further processing can, for example include additional gripper conveyor facilities.
  • FIG. 7 shows a side view of the conveyor belt 9, including the device for stepless regulation 34, to which the turned products 29 are released.
  • the stepless regulation device 34 comprises, for example, a pair of rotating ones Bands 36, 37 driven by cylinders around an entry gap 500 and to form an exit gap 600.
  • the conveyor belt comprises 9 A grippers 17 which hold products 29 and B-grippers 18 which hold products 30, whereby the selected A-gripper, B-gripper or both to turn the product flow in share at least two different streams.
  • the A-grippers 17 with Products 29 rotated 45 ° the grippers 17 are shown in side view.
  • the B-grippers 18 remain essentially in their original position and hold products 30, which is why only the rear part of the B grippers 18 is shown.
  • the B grippers with products 30 can also be rotated.
  • the selected products 29 are, for example, from the respective A-grippers released after being removed from the upper and lower belts 36, 37 are taken.
  • the products 30 remain essentially in their original position and are transported further in conveying direction 27 (i.e. the B grippers 18 are not rotated).
  • a release of the selected products 29 from the A-grippers is, for example, by pressing the first actuating pin 13 with a Trigger device 340 accomplished.
  • the A-grippers 17 are now closed become empty grippers 38, which are to be transported along the conveying path 4.
  • Means of the upper and lower volume 36, 37, the products 29 in magazines or The like inserted or become (not shown) binding devices or other Processing equipment delivered. Further along the funding path 4 can remaining products 30 from a second group of conveyor belts and one Another trigger mechanism 340 removed and then to separate Postpress facilities are sent so that the print product stream is effective is separated without losing a fixed division.
  • the actuating pins 13, 130 can be triggered by the triggering devices 340 be accomplished in many ways. For example, referring to FIG. 8 the position of the actuating pin 13 on the A-grippers 17 on a different level than that of the actuating pin 13 are provided on the B-grippers 18.
  • the Tripping devices 340 can be designed as an actuating rod 49, which in the corresponding level for releasing products from either the A-grippers 17 or the B-grippers 18 is positioned.
  • the A-grippers 18 reach the operating rod 49, their respective actuating pins 13 contact the Actuating rod 49, whereby a downward movement of the movable portion 23 of the Gripper head 15 and a release of the products 29 are effected.
  • the actuating pins 13 of the B grippers are not on the same level as that Actuating rod 49, the products 30 are not released.
  • an operating rod at the appropriate level on the desired location along the conveyor path 4 is provided.
  • a triggering of the Actuator pins 130 can be made in the same way.
  • Release and rotation of products 29, 30 can also be accomplished in other ways become.
  • a notched disc 50 may be placed over the conveyor path 5 as shown in FIG. 9.
  • a release module can be used to release or rotate the desired products.
  • Fig. 10 shows how a current in a configuration of the leading corners or A-shaped Angle can be changed according to the direction of the conveyor path present invention is changed. For example, a corner of the configuration of the leading edges gripped while the product flow is in the conveying direction 27 emotional.
  • the conveyor path then changes direction by, for example, about 45 degrees to one new conveying direction 27 '.
  • the product stream is thereby configured into a leading corners and can be reduced according to the present invention with aerodynamic, mechanical and dynamic disturbances are transported to Reduce buoyancy and warping during transportation.
  • the specialist will recognize that a device for the selective deflection of grippers from the Conveying direction 27 in the new conveying direction 27 'dividing the product stream into two will allow separate product streams, for example one in a configuration of the leading edges in the conveying direction 27 permanent first group of grippers, and one in a configuration of the leading corners in the new conveying direction 27 ' moving second group of grippers.
  • the configuration of the A-shaped angles enables one convenient access to the signature stream, for example from a stream Configuration of the open leading edges in a configuration of the folded convert leading edges as desirable for signature processing can be.
  • the gripper 17, 18 detects each signature on the corner and a configuration of the leading corners for the product stream, it is for easy access by a second gripper then possible, the signatures continue to take along the free opposite corners or free edges.
  • a configuration of the leading folded edges can be achieved.

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

Claims (18)

  1. Dispositif pour produire un flux de produits, que l'on fait tourner, le long d'un chemin de transport (4), comportant un transporteur (9) et une pluralité de pinces (10, 17, 18), qui sont montées sur le transporteur (9), dans lequel chacune de la pluralité de pinces (10, 17, 18) saisit un produit respectif (29, 30) du flux de produits et transporte le flux de produits selon une direction de transport (5, 27), dans lequel au moins l'une de la pluralité de pinces (10, 17, 18) peut passer, par rotation selon un angle (25), d'une position angulaire dans au moins une autre position angulaire, dans lequel le chemin de transport (4) présente au moins un premier tronçon linéaire sur lequel les produits (29, 30) sont, dans une première période, transportés dans la configuration mettant les bords en avant,
    caractérisé par le fait que pour au moins l'une des pinces (10, 17, 18) sont prévues au moins une première et une seconde valeurs de l'angle de rotation et que le chemin de transport (4) présente au moins un second tronçon linéaire sur lequel, dans une seconde période, au moins un produit (29, 30), après achèvement de la rotation de la première valeur de l'angle de rotation, est transporté dans une configuration mettant les coins en avant ou, après achèvement de la rotation de la seconde valeur de l'angle de rotation, est transporté dans une autre configuration mettant les coins en avant.
  2. Dispositif selon la revendication 1,
    caractérisé par le fait que la configuration mettant les coins en avant prévoit qu'un bord avant (300, 300') du produit que l'on fait tourner (29, 30) est disposé dans un angle valant entre environ 30 à 60 degrés par rapport à une ligne perpendiculaire à la direction du transport (5, 27).
  3. Dispositif selon la revendication 2,
    caractérisé par le fait que la configuration mettant les coins en avant prévoit qu'un bord avant (300, 300') du produit que l'on fait tourner (29, 30) est disposé dans un angle valant entre environ 45 degrés par rapport à une ligne perpendiculaire à la direction du transport (5, 27).
  4. Dispositif selon la revendication 1,
    caractérisé par le fait que celle au moins existante de la pluralité de pinces (10, 17, 18) a une tête de pince (15) fixée avec liberté de rotation.
  5. Dispositif selon la revendication 1,
    caractérisé par le fait que le chemin de transport (4) présente au moins un tronçon sur lequel un sur deux (29) des produits du flux de produits est transporté dans une période déterminée dans une configuration mettant les coins en avant.
  6. Dispositif selon la revendication 1,
    caractérisé par le fait que chacune de la pluralité de pinces (17, 18) comporte une tête de pince (15) reliée à une embase (19), les embases successives (19) de la pluralité de pinces (17, 18) étant reliées l'une à l'autre pour former le transporteur (9).
  7. Dispositif selon la revendication 4,
    caractérisé par le fait que la tête de pinoe (15) fixée avec liberté de rotation tourne entre une première position et une seconde position et que celle au moins existante de la pluralité de pinces (17, 18) présente une goupille de manoeuvre (13) qui y est fixée, dans lequel un ressort (13.3) est relié à la goupille de manoeuvre (13) et à la tête de pince (15), le ressort (13.3) est maintenu sous contrainte dans la première position, le ressort (13.3) est libéré de la contrainte lors du déclenchement de la goupille de manoeuvre (13), ce par quoi s'opère une rotation de la tête de pince (15) dans la seconde position.
  8. Dispositif selon la revendication 4,
    caractérisé par le fait que celle au moins existante de la pluralité de pinces (17, 18) comporte en outre une embase (19), la tête de pince (15) étant fixée, avec liberté de rotation, sur l'embase (19).
  9. Dispositif selon la revendication 9,
    caractérisé par le fait que la tête de pince (15) est disposée parallèlement à un axe longitudinal de l'embase (19).
  10. Dispositif selon la revendication 8,
    caractérisé par le fait que la tête de pince (15) a un tronçon stationnaire (22) qui est fixé à l'embase (19).
  11. Dispositif selon la revendication 1,
    caractérisé par le fait que celle au moins existante de la pluralité de pinces (17, 18) a une pince de préhension du produit qui a un tronçon mobile (23) pour saisir un produit (29, 30) et une goupille de manoeuvre (13), le tronçon mobile (23) étant relié à la goupille de manoeuvre (13).
  12. Dispositif selon la revendication 1,
    qui comporte en outre un organe (34) pour la régulation continue,
    caractérisé par le fait que l'organe (34) prévu pour la régulation continue des produits (29, 30) saisit dans le flux de produits et que chacune de la pluralité de pinces (17, 18) libère le produit (29, 30) après que le produit a été saisi par l'organe (34) prévu pour la régulation continue.
  13. Dispositif selon la revendication 12,
    caractérisé par le fait que l'organe prévu pour la régulation continue (34, 340) comporte au moins un tapis transporteur (36, 37).
  14. Dispositif selon la revendication 12,
    caractérisé par le fait que l'organe prévu pour la régulation continue (34, 340) comporte en outre un premier tapis transporteur (36) qui tourne autour d'un premier cylindre et un second tapis transporteur (37) qui tourne autour d'un second cylindre, le premier et le second cylindres forment une fente (500) et que les pinces (17, 18) amènent les produits (28, 29, 30) dans la fente (500) avant que les produits (28, 29, 30) soient libérés.
  15. Dispositif selon la revendication 1,
    caractérisé par le fait que la direction de transport (27) du premier tronçon du chemin de transport (4), sur lequel les produits (29, 30) sont transportés sous un angle, que font le bord avant (300, 300') du produit (29, 30) et la direction de transport (27), différent de la configuration mettant les bords en avant, présente un angle différent de zéro degré, et que la direction de transport (27') du second tronçon du chemin de transport (4), sur lequel au moins un produit (29, 30), dans une seconde période, est transporté dans une configuration mettant les bords en avant, présente un angle différent de 0 degré.
  16. Procédé pour établir un flux de produits, que l'on fait tourner, le long d'un chemin de transport (4), présentant les pas suivants :
    saisir chacun de ces produits (29, 30) dans un flux de produits,
    dans une première période, transporter les produits (29, 30) le long d'un premier tronçon linéaire d'un chemin de transport (4) dans une configuration mettant les bords en avant,
    faire tourner un nombre prédéterminé des produits (29, 30) dans une configuration mettant les coins en avant,
    dans une seconde période, transporter les produits (29, 30) le long d'un second tronçon linéaire d'un chemin de transport (4),
    caractérisé par le fait qu'après achèvement de la rotation sous l'action d'une pince (10, 17, 18), pour laquelle sont prévus au moins une première et une seconde valeurs de l'angle de rotation, le transport le long du chemin de transport (4) se fait, dans la seconde période, dans une configuration mettant les coins en avant.
  17. Procédé selon la revendication 16,
    caractérisé par le fait que le pas consistant en la rotation d'un nombre prédéterminé de produits (29, 30) comporte la rotation de chaque produit (29, 30) sur une plage angulaire allant d'environ 30 à 60 degrés, autour d'un axe (20) perpendiculaire à la direction de transport (5, 27, 27').
  18. Procédé selon la revendication 17,
    caractérisé par le fait que le pas consistant en la rotation d'un nombre prédéterminé de produits (29. 30) comporte la rotation de chaque produit (29, 30) d'environ 45 degrés autour d'un axe (20) perpendiculaire à la direction de transport (5, 27, 27').
EP98114037A 1997-08-15 1998-07-28 Procédé et dispositif pour produire un courant de produits tournés avec une pince de préhension de coin Expired - Lifetime EP0897890B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US911884 1997-08-15
US08/911,884 US5992610A (en) 1997-08-15 1997-08-15 Method and device for producing a rotated stream with a corner gripper

Publications (3)

Publication Number Publication Date
EP0897890A2 EP0897890A2 (fr) 1999-02-24
EP0897890A3 EP0897890A3 (fr) 1999-11-17
EP0897890B1 true EP0897890B1 (fr) 2001-11-28

Family

ID=25431045

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98114037A Expired - Lifetime EP0897890B1 (fr) 1997-08-15 1998-07-28 Procédé et dispositif pour produire un courant de produits tournés avec une pince de préhension de coin

Country Status (3)

Country Link
US (1) US5992610A (fr)
EP (1) EP0897890B1 (fr)
DE (2) DE19833851A1 (fr)

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US6213459B1 (en) * 1998-07-10 2001-04-10 Heidelberger Druckmaschinen Ag Signature gripper and delivery device
US6386816B1 (en) 1999-08-30 2002-05-14 Tokyo Kikai Seisakusho, Ltd. Printed matter transport device
AU2824901A (en) * 2000-04-20 2001-11-07 Ferag Ag Device for conveying flat objects
DE10024357A1 (de) 2000-05-17 2001-11-22 Gaemmerler Ag Verfahren und Vorrichtung zum Umorientieren von Druckprodukten
DE50108608D1 (de) 2000-05-17 2006-03-30 Ferag Ag Verfahren und Vorrichtung zur Aufteilung eines Stückgut-Förderstromes
TWI348450B (en) * 2003-11-13 2011-09-11 Applied Materials Inc Break-away positioning conveyor mount for accommodating conveyor belt bends
US7530564B2 (en) * 2006-07-10 2009-05-12 Goss International Americas, Inc. Opposing link gripper
US8857806B2 (en) * 2010-04-21 2014-10-14 Muller Martini Corp. Apparatus and method for orienting products for applying indicia during transport
US9056738B2 (en) 2013-03-13 2015-06-16 United States Postal Service Anti-rotation device and method of use
US9376275B2 (en) * 2013-03-12 2016-06-28 United States Postal Service Article feeder with a retractable product guide
US9061849B2 (en) 2013-03-14 2015-06-23 United States Postal Service System and method of article feeder operation
US9044783B2 (en) 2013-03-12 2015-06-02 The United States Postal Service System and method of unloading a container of items
US9340377B2 (en) 2013-03-12 2016-05-17 United States Postal Service System and method of automatic feeder stack management

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CH546197A (de) * 1971-09-14 1974-02-28 Fehr & Reist Ag Wendefoerderer fuer flaechengebilde, insbesondere druckprodukte.
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Also Published As

Publication number Publication date
US5992610A (en) 1999-11-30
DE59802214D1 (de) 2002-01-10
EP0897890A2 (fr) 1999-02-24
EP0897890A3 (fr) 1999-11-17
DE19833851A1 (de) 1999-02-18

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