EP1013590B1 - Dispositif pour plier et transporter des produits plats imprimés dans une machine rotative imprimante - Google Patents

Dispositif pour plier et transporter des produits plats imprimés dans une machine rotative imprimante Download PDF

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Publication number
EP1013590B1
EP1013590B1 EP99124294A EP99124294A EP1013590B1 EP 1013590 B1 EP1013590 B1 EP 1013590B1 EP 99124294 A EP99124294 A EP 99124294A EP 99124294 A EP99124294 A EP 99124294A EP 1013590 B1 EP1013590 B1 EP 1013590B1
Authority
EP
European Patent Office
Prior art keywords
gripper
folding
arm
folding cylinder
printed products
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
EP99124294A
Other languages
German (de)
English (en)
Other versions
EP1013590A2 (fr
EP1013590A3 (fr
Inventor
Charles Henry Dufour
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.)
Goss International Americas LLC
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1013590A2 publication Critical patent/EP1013590A2/fr
Publication of EP1013590A3 publication Critical patent/EP1013590A3/fr
Application granted granted Critical
Publication of EP1013590B1 publication Critical patent/EP1013590B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/163—Details of folding jaws therefor
    • 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
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/06—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by rotating members
    • 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
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/164—Details of folding blades therefor

Definitions

  • the present invention relates to a device for folding and for transporting flat Print products in a rotary printing press according to the preamble of Claim 1.
  • flap folder known from the prior art, in which one with a fixed folding knife interacting folding jaw is used e.g. JP 10076630 A, which is the most powerful State of the art is seen, the Advantage that they produce a relatively precise cross fold, or generally flap fold, without smearing the printed products.
  • JP 10076630 A which is the most powerful State of the art is seen, the Advantage that they produce a relatively precise cross fold, or generally flap fold, without smearing the printed products.
  • flap folders are known in terms of the number of the maximum limited to fold pages at the same time, which is due to the limited engagement of the Folding knife and the folding flaps, as well as the distance between the folding knife and the Folding jaw cylinder is due to the generation of the fold. So you can for example, with typical flap folders only 64 or fewer pages fold precisely at the same time.
  • drum or wheel folding units In the so-called drum or wheel folding units, the folding or Signatures held by a cylinder from the peripheral surface ejecting folding knife between two spring-mounted rotating folding rollers encountered, which fold the superimposed signatures in the transverse direction.
  • Newspaper pages can achieve high production performance, they have Devices have the disadvantage that the cross fold has only a very low precision and this is not suitable, for example, for inserting supplements.
  • a Device according to the invention a folding cylinder on which the to be folded, in essential flat printed product, or the superimposed to be folded, in essential flat printed products, and at least one arm attached to the its first end is arranged rotatable about an axis, and that at its second End is provided with a gripper device, which is guided on the folding cylinder Grabs the printed product in the area of the fold to be made, lifts it off the folding cylinder, transported further and provided with a fold during further transport.
  • Fig. 1 shows a folding section 100 of a rotary printing press, which one in web 106 printed on the upstream printing units of the rotary printing press between a cutting cylinder 102 and one arranged close to it Folding cylinder 104 for separating signatures, i. H. generally speaking, for Production of flat or flat products or printed products.
  • the cutting cylinder 102 can comprise two knives 108 which rotate counterclockwise with the cutting cylinder 102.
  • the folding cylinder 104 can be formed in any known manner.
  • the folding cylinder contains two cutting strips or slot strips 110, which are with the folding cylinder 104 turn clockwise. The movement of the cutting cylinder and the folding cylinder is synchronized in a known manner so that part of the web 106 enters a gap between the cutting cylinder and the folding cylinder in which it is separated by one of the knives 108, which counter through the web 106 presses an associated slot bar 110 on the folding cylinder 104.
  • leading edge the web 106 is produced, it is z. B. of pin needles impaled, one of two cam-controlled point reversal assemblies 112 is used, which in a known manner the leading edge on the surface of the Secure folding cylinder 104.
  • the folding cylinder 104 serves as a transport device for transporting a flat one Product, such as web 106 or any part thereof, from which gap formed between the cutting cylinder 102 and the folding cylinder 104 into a Delay drum 114.
  • the folding cylinder 104 can be used according to a preferred embodiment of the invention any known folding knife arrangement for producing a cross fold be formed.
  • the folding cylinder 104 can be at least one fixed (e.g. extended, non-retractable) or preferably include a retractable folding knife 120. 1 in the embodiment two folding knives 120 in conjunction with an optional, fixed cam 116 shown for retracting and extending the folding knife 120 in operation.
  • Control rollers 118 which rotate with the folding cylinder 104, move along the Outer periphery of the cam 116.
  • the control rollers 118 are with the folding blades 120 coupled, which depending on the position of a control roller 118 from the peripheral surface of the Folding cylinder 104 out or moved back into this.
  • the folding cylinder 104 contains according to the preferred embodiment of the invention preferably two Puncture needle arrangements with which the trailing edge of the signature is impaled and can be held on the peripheral surface of the folding cylinder 104 while one immediately preceding signature by the delay drum from the Folding cylinder 104 is removed.
  • the Folding cylinder 104 contain two opposing control rollers 118.
  • to Representation of the manner in which each control roller 118 and an associated folding knife 120 interact with the delay drum are six consecutive Positions of a control roller 118 and an associated folding knife 120 in the lower Half of the folding cylinder 104 is shown.
  • the signature 122 of the Folding cylinder 104 is pressed radially outwards so that it is removed from a gripper device Delay drum 114 can be gripped safely.
  • the signature 122 becomes separated by the knife 108 from the folding cylinder over an angular range around z. B. transported 180 °.
  • the cam-controlled folding knife 120 pushes a part of this position (usually the Middle) of the signature from the folding cylinder surface radially outwards, so that this of a gripper element of the delay drum 114 can be gripped.
  • the deceleration drum 114 includes at least one arm 124 that is about an axis 126 is rotatably connected to the delay drum 114, and which is connected to the Deceleration drum 114 also rotates when the drum rotates about an axis 134.
  • the arm 124 has a gripper device 128, which at a second end of the Arms 124 is arranged.
  • the Gripper device 128 a gripper with a movably attached gripper finger 130 and a fixed gripper bar 132 that extends radially outward extending folding knife 120 of the folding cylinder 104 cooperate to the signature 122 to be recorded at the point at which the signature is to be folded.
  • the arm 124 and the associated ones Gripper device 128 of the embodiment according to the invention shown in FIG. 1 so configures the gripper device 128 in the first position toward the Surface normal of the folding cylinder 104 is aligned.
  • This first position will preferably over a predetermined angle of rotation range of the arm Maintain axis of rotation 134 of the deceleration drum.
  • the gripper device is aligned so that the gripper bar 132 along a radial axis of the folding cylinder 104, i.e. H. one perpendicular to the surface of the Folding cylinder 104 and the axis extending to the surface of the signature 122 (Surface normal).
  • This radial alignment is over a Angular rotation range of the delay drum 114 z. B. by swiveling the Retain gripper device 128 or the gripper bar 132, which is sufficient for that appropriately aligns the gripper device 128 with respect to the signature 122 then take the signature 122 at the point where it is to be folded, and the Subsequently remove the signature radially from the folding cylinder 104.
  • this angular range is approximately 45 °; however he can also have any value that is used to align the gripper device and to carry out the gripping process at a predetermined rotational speed Deceleration drum 114 and the folding cylinder 104 is sufficient.
  • the delay drum 114 shown in Fig. 1 includes four arms 124, one on each a gripper device 128 is attached. Each of the arms 124 is on its axis of rotation 126 attached by a bolt or pin 136 to an eccentric disk 140 which is about the Axis 134 of the deceleration drum moves.
  • the eccentric disc attachment changes the speed of the Arms 124 as it rotates about axis 134 of deceleration drum 114.
  • the arms 124 preferably reach their maximum rotational speed when they are aligned in the position in which a signature 122 is captured. In connection this slows the movement of the arms when they move counterclockwise from the takeover position above the Decelerating drum 114 moved counterclockwise to a lower position, as shown in Fig. 1.
  • Each of the arms 124 includes a connector 139 which has a roller which moves along the circumference of a fixed cam 138. Furthermore, a connector 142 is used to allow interaction between the To reach connecting element 139 and the eccentric disc 140.
  • the fixed one Curve 138 is used in conjunction with connector 139 to the movably attached gripper fingers 130 to either gripper device 128 close or open. For this reason, the shape of the control curve 138 changes the location at which the gripper device 128 accepts a signature and changes then again at the point at which the gripper device transfers the signature to the subordinate conveyor passes. As shown in Fig. 1, the resulting recess in the control curve 138 over a range of approximately 120 °, However, it can also extend over a larger or smaller area.
  • any Gripper device articulated about an axis independently of the arm 124 preferably be pivotally attached.
  • the articulation of each gripper device is the further in response to the combined lateral and radial movement of the Connector 139 controlled by its rotation with the delay drum.
  • Around to illustrate this are three positions of an inventive one Gripper device 128 shown in and around arm 124 position in FIG the signature 122 is seized. These three positions shown are shown in FIG. 2 shown in more detail.
  • Gripper device 128 articulated by means of an axis 202 in the manner with an arm 124 the delay drum 114 connected that the preferably fixed Gripper bar 132 a radially aligned position with respect to a vertical or Surface normals of the surface of the folding cylinder 104 and the surface of the folding signature 122 retained.
  • maintaining this alignment of the signature 122 is preferably by use of the connecting element 139 for controlling the rotational movement of the Gripper device 128 reached around axis 202.
  • Connecting element preferably also together with the control curve 138 in order to control an opening and closing of the movably attached gripper finger, which z. B. via additional connecting elements and levers 204, 206 and 208 in the in FIG. 2 shown way can be done.
  • a stop position of the is movable attached gripper finger 130 preferably via a spring-loaded stop 210 controlled.
  • the spring-loaded stop 210 can be a compression spring 212, for example included, which a spring plunger 214 against a hinge connection 208th attached movable roller 216 urges.
  • arm 124 and the associated gripper device slow down to one Speed that is approximately 20% of the top speed at the time of acquisition corresponds to a signature.
  • An increasing slowdown of the arm 124 is shown in the figures by increasing the angle between the Arm 124 and the connecting element 142 indicated. So is the angle between these Elements z. B. relatively large (z. B.
  • movably attached gripper finger 130 is opened.
  • Fig. 1 and Fig. 3 shows how an inventive Gripper device 128 is moved to a position near a conveyor gripper 144.
  • the movably attached gripper finger 130 is pushed through Interaction of the connecting element 139 and the control curve 138 opened.
  • a control cam device not shown in the figures, can be provided over which one coincides with the opening of the movable gripper finger 130 Closing conveyor gripper 144 is controlled so that the Passing the signature 122 takes place in the so-called gripper closure, the z. B. from Sheet-fed rotary printing presses are known. This gives the advantage of one always controlled transport of the folded signature 122.
  • folding cylinder with a retractable one Folding knife, for example, a folding cylinder with a fixed folding knife use that with the gripper devices 128 on the arms 124 of the Delay drum 114 cooperates.
  • any type of fold including a double one Parallel fold are generated.
  • any type of fold including a double one Parallel fold.
  • arms 124 of the delay drum 114 which are in the Figures are shown only in cross section, not as a one-piece arm, but in shape of several juxtaposed arms that span across the width the delay drum 114, with each arm 124 one can carry corresponding gripper device 128 according to the invention.
  • arms 124 and / or gripper devices 128 as a single arm and / or as single gripper device with a width equal to the width of a given signature corresponds, or configured to any desired width.
  • the device according to the invention thus offers the advantage that with a single Device for folding signatures or flat products in general, as well also a controlled transfer of the products to a subordinate Gripper conveyor is enabled, while still slowing down on the folding cylinder with a high speed corresponding to the printing press speed Speed generated signatures on one for further processing in one Postprocessing device suitable low speed takes place.
  • This can another slowdown device for the signatures, as in conventional Folders are used, which results in a significantly lower space requirement of the entire folding arrangement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (11)

  1. Dispositif servant à plier et à transporter des produits plats imprimés (122) dans une presse rotative à imprimer, comprenant un cylindre plieur (104) présentant un plioir (120), cylindre plieur sur lequel sont guidés les produits imprimés (122) séparés d'une bande courante de papier d'impression,
    caractérisé par un dispositif décélérateur (114) qui présente au moins un bras (124) pouvant pivoter autour d'un axe (126), ce bras étant doté d'un dispositif préhenseur (128) disposé au niveau d'une extrémité du bras (124), lequel dispositif préhenseur saisit les produits imprimés (122) sous l'effet de l'action conjuguée du plioir (120), les soulève du cylindre plieur (104) en faisant un pli et, suite à une rotation du bras (124) se poursuivant, les fournit à un dispositif de transport (146) placé en aval.
  2. Dispositif selon la revendication 1, caractérisé en ce que la vitesse angulaire du bras (124), après la prise du produit imprimé et avant la fourniture du produit imprimé (122) au dispositif de transport (146) placé en aval, est réduite.
  3. Dispositif selon l'une des revendications 1 et 2, caractérisé en ce que le dispositif préhenseur (128) présente un doigt préhenseur (130) mobile par rapport au bras (124) ainsi qu'un bord de préhension (132) relié au bras (124) et pratiquement fixe dans sa position.
  4. Dispositif selon la revendication 3, caractérisé en ce qu'il est prévu un élément de liaison (139) relié de manière articulée au bras (124), cet élément de liaison servant au maintien et au positionnement du bord de préhension (132), lequel dispositif guide le bord de préhension (132) lors de la prise du produit imprimé (122) par le cylindre plieur (104), d'une manière telle que le bord de préhension (132), au-delà d'une plage prédéterminée d'angles de rotation du bras (124), est orienté de façon inclinée pratiquement en direction de la verticale de la surface du cylindre plieur (104).
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce que le doigt préhenseur mobile (130) est poussé, par des moyens élastiques à ressort (212), contre le bord de préhension (132), et en ce qu'il est prévu des moyens de commande (138, 139, 140, 142) à l'aide desquels est commandé le mouvement du doigt préhenseur mobile (130).
  6. Dispositif selon la revendication 5, caractérisé en ce que les moyens de commands présentent une courbe de commande (138) ainsi qu'un élément de liaison (139, 142) déplacé sur la courbe de commande (138) et couplé, de manière articulée, au dispositif préhenseur (128).
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce qu'il est prévu une butée (210) montée sur ressort, laquelle butée, via des éléments de liaison (208, 216), agit de façon conjuguée avec le doigt préhenseur mobile (130) lors de la saisie des produits imprimés (122), d'une manière telle qu'il se produit une adaptation automatique à l'épaisseur des produits imprimés (122) à plier.
  8. Dispositif selon la revendication 7, caractérisé en ce que la tension de précontrainte des moyens élastiques à ressort (212) agissant sur la butée (210) montée sur ressort est réglable.
  9. Dispositif salon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu plusieurs bras (124) comportant des dispositifs préhenseurs (128) disposés sur ces bras qui se déplacent ensemble autour d'un axe (134).
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le plioir (120) est disposé en étant mobile, dans le sens radial, par rapport au cylindre plieur (104), et en ce qu'il est prévu des moyens de commande (116, 118) qui, lors de la saisie des produite imprimés (122) par le dispositif préhenseur (128), déplacent le plioir (120) en dehors de la périphérie du cylindre plieur (104).
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de transport (146) placé en aval présente des éléments préhenseurs (144) qui, à partir du dispositif préhenseur (128), prennent le produit imprimé plié suivant un processus de préhension réalisé de manière telle, qu'il se produit un transport du produit imprimé, contrôlé de façon continue.
EP99124294A 1998-12-09 1999-12-06 Dispositif pour plier et transporter des produits plats imprimés dans une machine rotative imprimante Expired - Lifetime EP1013590B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/208,250 US6322487B1 (en) 1998-12-09 1998-12-09 Method and apparatus for delivery of flat printed products
US208250 1998-12-09

Publications (3)

Publication Number Publication Date
EP1013590A2 EP1013590A2 (fr) 2000-06-28
EP1013590A3 EP1013590A3 (fr) 2002-05-02
EP1013590B1 true EP1013590B1 (fr) 2004-03-03

Family

ID=22773881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99124294A Expired - Lifetime EP1013590B1 (fr) 1998-12-09 1999-12-06 Dispositif pour plier et transporter des produits plats imprimés dans une machine rotative imprimante

Country Status (5)

Country Link
US (1) US6322487B1 (fr)
EP (1) EP1013590B1 (fr)
JP (1) JP2000177926A (fr)
AT (1) ATE260860T1 (fr)
DE (2) DE19958739A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3738418B2 (ja) * 2001-07-18 2006-01-25 株式会社東京機械製作所 折畳部の咥え装置
JP3697694B2 (ja) * 2002-05-09 2005-09-21 株式会社東京機械製作所 輪転機の折部の咥え装置
US20050272586A1 (en) * 2004-06-04 2005-12-08 Germain Patrick C S Gripper for a web folding cylinder
US8425392B2 (en) * 2005-12-27 2013-04-23 Goss International Americas, Inc. Broadsheet newspaper printing press and folder

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US3224306A (en) 1962-10-09 1965-12-21 Ael Dev And Res Division Inc Automatic cutting and collating machine and method
US3675522A (en) 1970-05-13 1972-07-11 Hexcel Corp Method and apparatus for stacking sheets
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US5927712A (en) * 1996-11-12 1999-07-27 Heidelberg Harris Sample signature delivery having alternate transport path away from deceleration device

Also Published As

Publication number Publication date
US6322487B1 (en) 2001-11-27
JP2000177926A (ja) 2000-06-27
DE59908728D1 (de) 2004-04-08
ATE260860T1 (de) 2004-03-15
EP1013590A2 (fr) 2000-06-28
EP1013590A3 (fr) 2002-05-02
DE19958739A1 (de) 2000-06-15

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