EP0656307A1 - Cylindre de transport de cahiers - Google Patents

Cylindre de transport de cahiers Download PDF

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Publication number
EP0656307A1
EP0656307A1 EP94118471A EP94118471A EP0656307A1 EP 0656307 A1 EP0656307 A1 EP 0656307A1 EP 94118471 A EP94118471 A EP 94118471A EP 94118471 A EP94118471 A EP 94118471A EP 0656307 A1 EP0656307 A1 EP 0656307A1
Authority
EP
European Patent Office
Prior art keywords
signatures
folding drum
grippers
gripper
folding
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
EP94118471A
Other languages
German (de)
English (en)
Other versions
EP0656307B1 (fr
Inventor
Bernd Anton Hillebrand
Horst Bernhard Michalik
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert AG
Koenig and Bauer 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 Koenig and Bauer Albert AG, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Publication of EP0656307A1 publication Critical patent/EP0656307A1/fr
Application granted granted Critical
Publication of EP0656307B1 publication Critical patent/EP0656307B1/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
    • B65H45/165—Details of sheet gripping means 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
    • B65H2402/00—Constructional details of the handling apparatus

Definitions

  • the invention relates to a cylinder for transporting signatures, in particular a folding drum in a wheel folder of a web-fed rotary printing press.
  • a folder with a cutting cylinder, a collecting or transfer cylinder and a wheel folding cylinder has become known.
  • the knife bars of the cutting cylinder work together with cutting counter bars located on the collecting or transfer cylinder.
  • the beginning of the paper strand is needled onto the collecting or transfer cylinder by means of controllable punctures.
  • the signatures are delivered to the punctures of the folding knife cylinder.
  • the folding knife cylinder has two opposite folding knives, which inevitably rotate by means of their spindles, which press the signatures between two folding rollers and thus bring about the transverse fold.
  • the puncture holes are torn like slits due to the slow retraction of the punctures, with the signatures near the folding drum surface being the most affected. This can also lead to an irregular formation of the transverse fold.
  • the invention has for its object to provide a cylinder for transporting signatures held by means of punctures in the vicinity of their front edge, which allows the punctures to be withdrawn early, before the signatures at production speed to a further processing device, e.g. B. folder.
  • the invention has the following advantages:
  • the additional arrangement of grippers means that the front edge of the signatures on the lateral surface of the cylinder, for. B. folding drum held.
  • the withdrawal of the punctures can then begin when the grippers are seated on the outer surface of the folding drum.
  • the grippers can also be put on immediately after the cut, before passing the folding rollers. The only requirement is that the grippers do not collide with them when passing through the folding rollers. From this point in time up to a second point in time or step, at which the previous leading edges of the signatures are moved in the opposite direction, ie in the direction of feed of the folding roller pair, the punctures have enough time to safely withdraw from the signatures. Thus, the time for retracting the punctures has been tripled.
  • the grippers pressing the cut printed product with the front edge onto the jacket of the folding drum only practice a slight lifting movement in the aforementioned second step of moving back the front edge of the cut printed product from a few tenths of a millimeter, which is enough to release the cut printed product.
  • permanent deformation of the signature in the area of the puncture holes is avoided. This means that the highest production speeds can be reached without tearing out the puncture holes.
  • a folding drum 1 is rotatably mounted about its axis of rotation 2 in indicated side frames 3, 4 via axle journals (not shown).
  • the folding drum 1 has side disks 6, 7 arranged on the end face, which are connected by crossbars or device carriers, not shown, which extend in the axial direction.
  • a side window-fixed holder 8 Arranged on the first side window 6 is a side window-fixed holder 8, in which a torsion bar spring 9 which extends in the axial direction and projects through the second side window 7 is clamped.
  • the torsion bar spring 9 is coaxially surrounded by a tubular control spindle 11 which is rotatably arranged in bearings 12, 13 fixed to the folding drum.
  • the two ends of the torsion bar spring 9 and the control spindle 11 located outside the folding drum 1 and projecting through the second side window 7 are connected to one another in a non-positive and positive manner, e.g. B. by means of a toothing 14.
  • a first arm 16 and a second arm 17 of a two-armed lever 16, 17 is connected at its first end in each case non-positively and positively to the control spindle 11 as a support.
  • the first arm 16 carries at its second end a control roller 18 which rotates on a control cam 19 fixed to the side frame as a result of the rotational movement of the folding drum 1.
  • the arm 16 of FIG. 1 is shown offset by 180 ° from the illustration in FIG. 2.
  • the second arm 17 fastened to the control spindle 11 is non-positively and positively connected to an articulated bearing 21 at its second end connected.
  • a further arm 17 is fastened on the control spindle 11 within the folding drum 1 and in the vicinity of the first side window 6, said arm actuating a second gripper, also designated 23, synchronously via the parts 21, 22, 24, 26, 27, 28. Both grippers 23 are movable towards or away from each other in the direction of arrow C in the direction of arrow B, so that the grippers 23 press signatures 29 laterally near its front edge 31 onto the lateral surface 32 of the folding drum 1.
  • a symbolically illustrated cutting knife, designated 33, of a cutting cylinder (not shown) separates the signatures 29 from a cutting counter bar 34.
  • a row of point holders 36 (only shown in FIGS.
  • a spindle (not shown) which is fixed to the folding drum , e.g. B. 40 mm, which each carry pin needles 37, 38, 39.
  • the spindle is pivoted in a known manner via a lever arm (not shown) with a control roller on a control cam fixed to the frame against the force of a return spring (not shown).
  • the control described the punctures are shown in DE-AS 10 74 057 already cited at the beginning.
  • a number of puncture needles 37, 38, 39 are arranged on a row of punctures, so that the front edge 31 of the signatures 29 at the time of cross cutting the Signatures 29 can be fixed exactly on the folding drum 1.
  • a number of middle puncture needles 38 are arranged between two outer puncture needles 37, 39.
  • the grippers 23 are moved from the one end position shown in broken lines (rest position) to the other end position shown in full lines (holding or working position), so that the signatures 29 on the outer surface 32 of the folding drum 1 are held. Subsequently, the puncture needles 37, 38, 39 can be withdrawn from the signatures 29.
  • the position of the actuating elements shown in dash-dotted lines in FIGS. 1 and 2 represents the second end position of the grippers 23.
  • the grippers 23 are in the rest position, ie in the pivoted-down state below the lateral surface 32 of the folding drum 1
  • three, five or seven sets of similar fittings such as rows of punctures, cutting counter strips and pairs of grippers, can be arranged.
  • a folding drum 1 is rotatably mounted about its axis of rotation 2 in indicated side frames 3, 4 via axle journals (not shown).
  • the folding drum 1 has side disks 6, 7 arranged on the end face, which are connected by crossbars or device carriers, not shown, which extend in the axial direction.
  • a side window-fixed holder 8 Arranged on the first side window 6 is a side window-fixed holder 8, in which a torsion bar spring 9 which extends in the axial direction and projects through the second side window 7 is clamped.
  • the torsion bar spring 9 is coaxially surrounded by a tubular control spindle 11 which is rotatably arranged in bearings 12, 13 fixed to the folding drum.
  • the two ends of the torsion bar spring 9 and the control spindle 11 located outside the folding drum 1 and projecting through the second side window 7 are connected to one another in a non-positive and positive manner, e.g. B. by means of a toothing 14.
  • a first arm 16 and a second arm 17 of a two-armed lever 16, 17 is connected at its first end in each case non-positively and positively to the control spindle 11 as a support.
  • the first Arm 16 carries at its second end a control roller 18 which rotates on a side frame-fixed cam 51 due to the rotational movement of the folding drum 1.
  • the arm 16 according to FIG. 3 is shown offset by 180 ° from the illustration in FIG. 4.
  • the second arm 17 fastened to the control spindle 11 is connected at its second end in a non-positive and positive manner to an articulated bearing 21.
  • a plunger 52 which is mounted in a pivotable linear guide 53 and at its end receives a gripper 54 with a gripper tip 56 in the axial direction.
  • the linear guide 53 can be designed in the form of a ball-and-socket joint 55 and can be pivoted on its outer surface in two bearing shells 57 which are fixed to the folding drum, and can have a bore at right angles to its axis of rotation for receiving the tappet 52.
  • a roller with a bearing shell can also be used become.
  • a plurality of grippers 54 as shown in FIG. B. four grippers 54 side by side each via the parts 53, 55, 52, 21, 17 with the control spindle 11, z. B. connected by clamping.
  • the arm 17 of the two-armed lever 16, 17 likewise executes a pivoting movement which is transmitted to the plunger 52 which is articulated to the arm 17.
  • the plunger 52 is guided in a pivotable linear guide 53, the plunger 53 experiences a combined one Tilting and lifting movement, so that the gripper 54 arranged at the end of the plunger 53 describes an ellipse-like curve and the gripper tip 56 touches the signatures 29 from above next to one of the puncture needles 37, 38, 39 after completing the ellipse-like curve and thus the signatures 29 presses against the outer surface 32 of the folding drum 1.
  • the puncture needles 37, 38, 39 can be withdrawn before a signature 29 is delivered to a cross-folding device.
  • the signatures 29 are released by the grippers 54 arranged side by side in the axial direction by a minimal lifting movement of the grippers 54 with a lifting height of a few tenths of a millimeter.
  • the grippers 54 are shown in their two end positions, once dash-dotted in the rest position and with full lines in the holding or working position. 4 that the grippers 54 are retracted under the outer surface 32 of the folding drum 1 in their rest position.
  • the puncture needles 37, 38, 39 are each indicated, spaced at a distance e and provided with known drives via puncture holders 36, as is shown in DE-AS 10 74 057.
  • Fig. 4 is further shown on the front edge 31 of the signature 29, a strip-shaped area designated f, running parallel to the front edge 31, in which the gripper tips 56 near the pin needles 37, 38, 39 the signatures 29 on the lateral surface 32 of the folding drum Press 1.
  • the grippers 54 are arranged at a distance g from one another, the tips of the grippers 54 not shown in FIG. 3 pressing the signatures 29 in the vicinity of the puncture needles 37, 38, 39.
  • the outer grippers 54 which are arranged in the vicinity of the side disks 6, 7 of the folding drum 1, are located in a region between a respective longitudinal side 42, 43 of the signatures 29 and an outer puncture needle 39, 37 with a maximum distance e.
  • the front edge 31 of the signatures 29 lies on the cutting counter bar 34 running in the axial direction.
  • a gripper 59 with a gripper tip 61 is provided, which is driven by the drive 17, 21, 52 , 53 according to FIGS. 3 and 4 is actuated.
  • this drive 17, 21, 52, 53 is arranged between the longitudinal side 42, 43 of the signatures 29 and the side window 6, 7 of the folding drum 1 with the arm 17 on the control spindle 11 and moves, as in FIGS. 3 and 4 described, so that the gripper tips 61 describe an ellipse-like curve and touches the signatures 29 from above next to the outer puncture needles 37, 39.
  • the grippers 59 are L-shaped compared to the grippers 54 according to FIGS. 3 and 4.
  • the grippers 59 set their gripper tip 61 both in the strip-shaped area f (FIG. 4) of the signatures 29 in the vicinity of the outer puncture needles 38, 39, and also in an area with a length e that extends in the axial direction between the longitudinal side 42, 43 of the Signatures 29 and the outer pin needles 37, 39 is located.
  • grippers 59 are provided, between the gripper tips 61 of which a gripping bar 63 is arranged.
  • the gripping bar 63 extends in the axial direction 2 along the entire front edge 31 of the signatures 29 and can have an L-profile, as is shown in broken lines in FIG. 5 in the working position and in broken lines in the rest position. It is possible to provide two as well as more than two drives for actuating this gripping bar 63, each of which is connected to a control spindle 11 by means of arm 17.
  • the advantage of this gripping bar 63 is that the signatures 29 are completely covered at the front edge 31 when the folding drum 1 moves in the direction of rotation B, so that the air forces cannot cause the signatures 29 to lift or flutter.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP94118471A 1993-12-01 1994-11-24 Cylindre de transport de cahiers Expired - Lifetime EP0656307B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4340858 1993-12-01
DE4340858A DE4340858C2 (de) 1993-12-01 1993-12-01 Zylinder
US08/353,228 US5503071A (en) 1993-12-01 1994-12-01 Cylinder with retractable point spurs and signature clamps

Publications (2)

Publication Number Publication Date
EP0656307A1 true EP0656307A1 (fr) 1995-06-07
EP0656307B1 EP0656307B1 (fr) 1999-06-09

Family

ID=25931663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118471A Expired - Lifetime EP0656307B1 (fr) 1993-12-01 1994-11-24 Cylindre de transport de cahiers

Country Status (4)

Country Link
US (1) US5503071A (fr)
EP (1) EP0656307B1 (fr)
JP (1) JP2666887B2 (fr)
DE (1) DE4340858C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0931747A1 (fr) * 1998-01-27 1999-07-28 Heidelberger Druckmaschinen Aktiengesellschaft Plieuse pour machine rotative à imprimer
EP0931748A1 (fr) * 1998-01-27 1999-07-28 Heidelberger Druckmaschinen Aktiengesellschaft Plieuse sans pointure pour machines rotatives à imprimer
US6093139A (en) * 1998-01-27 2000-07-25 Heidelberger Druckmaschinen Ag Folding apparatus for rotary printing presses

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19533064C2 (de) * 1995-03-25 2000-11-23 Koenig & Bauer Ag Verfahren zum Bewegen von Punkturnadeln
EP0734989B1 (fr) * 1995-03-25 2002-01-09 Koenig & Bauer Aktiengesellschaft Appareil pour mettre en mouvement des aiguilles de perforation
EP0734988B1 (fr) * 1995-03-25 2001-09-26 Koenig & Bauer Aktiengesellschaft Méthode et appareil pour mettre en mouvement des aiguilles de perforation
US6652437B1 (en) * 1999-12-28 2003-11-25 Heidelberger Druckmaschinen Ag Actuated product seizing element in a folder apparatus
DE10018772C2 (de) * 2000-04-15 2002-03-28 Koenig & Bauer Ag Vorrichtung zum Querschneiden von mindestens einer Bahn in einem Falzapparat einer Rotationsdruckmaschine
DE10139240B4 (de) * 2001-04-23 2006-03-23 Koenig & Bauer Ag Falzzylinder
US6843763B2 (en) * 2001-12-13 2005-01-18 Goss International Americas, Inc. Folder cylinder with support plate
JP2003212432A (ja) * 2002-01-18 2003-07-30 Tokyo Kikai Seisakusho Ltd 咥え折り装置の咥え機構駆動装置
DE10209213B4 (de) * 2002-03-04 2004-03-25 Koenig & Bauer Ag Transportvorrichtung
JP3669354B2 (ja) * 2002-09-17 2005-07-06 株式会社東京機械製作所 折畳装置
DE10329672B4 (de) 2003-07-02 2007-02-15 Koenig & Bauer Ag Punkturzylinder eines Falzapparates mit wenigstens einer Punkturleiste
DE10344950A1 (de) * 2003-09-27 2005-04-28 Koenig & Bauer Ag Zylinder mit einem Zylinderkörper und wenigstens einem Greifer
CN112576148B (zh) * 2020-12-10 2023-05-12 广州搜床网络科技有限公司 一种酒店房门防塞卡片装置

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE536459C (de) * 1929-01-26 1931-10-23 Albert Schnellpressen Querschneide- und Sammelvorrichtung fuer Rotationsdruckmaschinen
DE3226119A1 (de) * 1981-10-12 1983-04-21 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Bogengreifersystem
EP0515945A1 (fr) * 1991-05-27 1992-12-02 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Dispositif de pliage

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DE1074057B (fr) * 1960-01-28
FR428953A (fr) * 1911-04-26 1911-09-12 Hoe & Co R Dispositif pour controler les feuilles dans les machines à imprimer
DE477102C (de) * 1927-07-16 1929-06-01 Vogtlaendische Maschinenfabrik Querschneide- und Ablegevorrichtung fuer Rotationsdruckmaschinen
US1713016A (en) * 1927-08-11 1929-05-14 Hoe & Co R Slow-down delivery
US3606308A (en) * 1969-06-20 1971-09-20 Miller Printing Machinery Co Sheet gripping device
JPS5019971B1 (fr) * 1970-01-14 1975-07-11
DE2652159C3 (de) * 1976-11-16 1981-04-30 Koenig & Bauer AG, 8700 Würzburg Räderfalzapparat
US4368879A (en) * 1980-06-23 1983-01-18 Komori Printing Machinery Company, Ltd. Cutting and folding apparatus in rotary press
JPS60159763U (ja) * 1984-04-03 1985-10-24 小森印刷機械株式会社 折機の折紙胴装置
JPS6121169U (ja) * 1984-07-12 1986-02-07 日本ビクター株式会社 排紙機構
US4627754A (en) * 1985-08-13 1986-12-09 Sanders Associates, Inc. Drum clamping mechanism for a printer
JP2702477B2 (ja) * 1987-01-30 1998-01-21 東芝機械株式会社 印刷機の折胴装置
DE3810439C1 (fr) * 1988-03-26 1989-08-10 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
FR2643589B1 (fr) * 1989-02-28 1991-06-14 Marinoni Harris Sa Machine a couper et a plier une bande de papier imprime
DE4230218C2 (de) * 1992-09-10 1999-06-10 Heidelberger Druckmasch Ag Vorgreifer einer Bogendruckmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE536459C (de) * 1929-01-26 1931-10-23 Albert Schnellpressen Querschneide- und Sammelvorrichtung fuer Rotationsdruckmaschinen
DE3226119A1 (de) * 1981-10-12 1983-04-21 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Bogengreifersystem
EP0515945A1 (fr) * 1991-05-27 1992-12-02 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Dispositif de pliage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0931747A1 (fr) * 1998-01-27 1999-07-28 Heidelberger Druckmaschinen Aktiengesellschaft Plieuse pour machine rotative à imprimer
EP0931748A1 (fr) * 1998-01-27 1999-07-28 Heidelberger Druckmaschinen Aktiengesellschaft Plieuse sans pointure pour machines rotatives à imprimer
FR2774023A1 (fr) * 1998-01-27 1999-07-30 Heidelberger Druckmasch Ag Plieuse sans pointure pour machines rotatives a imprimer
FR2774024A1 (fr) * 1998-01-27 1999-07-30 Heidelberger Druckmasch Ag Plieuse d'une machine rotative a imprimer
US6093139A (en) * 1998-01-27 2000-07-25 Heidelberger Druckmaschinen Ag Folding apparatus for rotary printing presses
US6251053B1 (en) 1998-01-27 2001-06-26 Heidelberger Druckmaschinen Ag Method for transferring an end of a material web

Also Published As

Publication number Publication date
JPH07206260A (ja) 1995-08-08
DE4340858C2 (de) 1998-02-12
JP2666887B2 (ja) 1997-10-22
US5503071A (en) 1996-04-02
DE4340858A1 (de) 1995-06-08
EP0656307B1 (fr) 1999-06-09

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