EP0523435B1 - Coupeuse transversale d'une plieuse pour des rotatives à bobines - Google Patents

Coupeuse transversale d'une plieuse pour des rotatives à bobines Download PDF

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Publication number
EP0523435B1
EP0523435B1 EP19920110936 EP92110936A EP0523435B1 EP 0523435 B1 EP0523435 B1 EP 0523435B1 EP 19920110936 EP19920110936 EP 19920110936 EP 92110936 A EP92110936 A EP 92110936A EP 0523435 B1 EP0523435 B1 EP 0523435B1
Authority
EP
European Patent Office
Prior art keywords
grooved
cutting device
transverse cutting
spring part
pressure spring
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
EP19920110936
Other languages
German (de)
English (en)
Other versions
EP0523435A1 (fr
Inventor
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
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
Priority claimed from DE19924220480 external-priority patent/DE4220480A1/de
Application filed by Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0523435A1 publication Critical patent/EP0523435A1/fr
Application granted granted Critical
Publication of EP0523435B1 publication Critical patent/EP0523435B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/60—Folding or cutting crosswise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • B26D2007/202—Rollers or cylinders being pivoted during operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup
    • Y10T83/4841—With resilient anvil surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4844—Resiliently urged cutter or anvil member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9309—Anvil
    • Y10T83/9312—Rotatable type

Definitions

  • the invention relates to a cross cutting device according to the preamble of patent claim 1.
  • the generic US-E-17 892 shows a cross cutting device on folding units for rotary printing presses.
  • a cutting cylinder with a rigid cutting knife is provided.
  • a working cylinder which interacts with the cutting cylinder has a groove strip as an abutment for separating material to be cut.
  • the groove strip consists of a one-piece groove part and a compression spring part. Seen in the working direction of rotation of the working cylinder, the groove part and then the compression spring part are arranged next to one another on its circumference.
  • the compression spring part consists of a compression spring loaded rail.
  • a device for cutting and transferring multilayer products that come from a rotary printing press which has a cutting cylinder and a useful cylinder.
  • the invention has for its object to provide a cross cutting device on folding units for web-fed rotary printing presses using a cutting cylinder and a working cylinder with groove strips for processing thin and thick material to be cut.
  • the groove part of the groove strip consists of a plastic with low elasticity
  • the cutting knife that penetrates through the material to be cut is subjected to a relatively large resistance.
  • the cutting knife teeth are fully immersed in the groove bar without the groove bar being able to escape.
  • the groove strip By designing the groove strip with an elastic part, it has become possible to absorb the forces caused by the difference in speed of the cutting edge to the groove strip by compressing this elastic part during the cutting process. As a result, the bending stress of the Cutting knife greatly reduced and jamming of the pressure bars avoided. For this reason, thicker cutting knives can be used, which are rigid and have a longer service life. Thinner products can also be cut.
  • the invention has also made it possible to use a material for the groove part of the groove strip which is elastic and abrasion-resistant and nevertheless does not damage the cutting knife as a result of the use of the elastic part.
  • FIG. 1 shows a vertical section through a cross cutting device according to the invention, the useful cylinder 1 and the cutting cylinder 2 being shown only in part and both cylinders 1; 2 revolve in the direction of arrow B at approximately the same peripheral speed.
  • the pressure strips on the cutting cylinder 2 have not been shown for the sake of clarity. This also applies to FIGS. 2 to 5.
  • the cutting cylinder 2 has a cutting knife 6 arranged in the radial direction and with its tip 3 protruding from the circumference 4 of the cutting cylinder 2.
  • the cutting knife 6 is clamped in a known knife bar (not shown).
  • the cutting knife 6 extends in a coaxial direction to the axis of the cutting cylinder 2, not shown.
  • the groove 7 runs in the coaxial direction to the axis of the useful cylinder 1, which is also not shown.
  • the groove 7 is made in two parts and consists of a groove part 8 and a compression spring part 9.
  • the groove part 8 and the compression spring part 9 are loosely next to each other and parallel on the circumference of the utilization cylinder 1 arranged, always so that in the direction of arrow B first the groove part 8 and then the compression spring part 9 is attached.
  • the point 3 of the cutting knife 6 which moves on the flight circle 11 in the direction of the arrow B touches the product strand 13 at point 12 and leaves the product strand 13 again after the cutting operation at point 14.
  • the groove part 8 consists of polyurethane with a hardness of 90 to 95 Shore.
  • the compression spring part 9 consists here for example of polyurethane with a hardness of 60 to 70 Shore.
  • the compression spring part 9 absorbs the forces caused by the difference in speed of the cutting edge to the groove strip by compression during the cutting process. As a result, the bending stress of the cutting knife 6 is greatly reduced and the pressure bars are not jammed.
  • the two strips 8; 9 can preferably be inserted loosely into the groove 7. This has the advantage that only the groove part 8, in which the cutting knife 6 is immersed, has to be replaced as a wearing part.
  • the groove strip 7 is again in two parts, but is made of one material and consists of the groove part 8 and a compression spring part 21.
  • a resilient element 22 is arranged, which is rectangular in cross-section and can also extend in a wavy line in the axial direction.
  • the compression spring part 21 can consist of polyamide 12.
  • the resilient element 22 can consist of steel, polyamide or the like. Material. The effect of the groove 7 is the same as described in FIG. 1.
  • FIG. 3 a further embodiment variant of the groove strip 7 is shown, with FIG. 4 representing view A according to FIG. 3.
  • the groove strip 7 is in two parts, but made of one material, ie the groove part 8 and a compression spring part 23 are firmly connected to one another.
  • the compression spring part 23 has holes 24 which extend in the axial direction and are spaced apart from one another and which increase the elasticity of the groove strip 7.
  • the material can be the same as that used in the groove part 8.
  • the effect is the same as described in Fig. 1.
  • the cutting knife 6 can have a thickness of 2 to 3 mm. Products up to 96 pages can be cut with the same cross cutter.
  • the groove strip 7 is tightly enclosed in a groove running in the radial direction away from the lateral surface on at least three sides, namely on the underside and the two longitudinal sides, and its fourth side, ie the top side, Is flush with the jacket of the useful cylinder 1.
  • the "less elastic” groove part 8 and then the "more elastic” compression spring part 9 is arranged.
  • the groove part 8 can also be integrally connected to the compression spring part 9, e.g. B. glued or welded, or be positively connected. For example, it is possible to interlock the groove part 8 with the compression spring part 9 on the two adjacent longitudinal sides.
  • the groove 7 is made in one piece and has better handling when replacing the same.
  • the compression spring part 9 arranged next to the groove part 8 has approximately the same dimensions as the groove part 8.
  • the cutting knife 6 always strikes the free upper side of the harder groove part 8, which cannot deflect in the radial direction to the axis of the working cylinder 1, since it presses against the bottom of the groove.
  • An elastic dodge is only possible in the direction of the compression spring part 9, which has a lower modulus of elasticity, for. B. a 33 percent lower modulus of elasticity compared to the modulus of elasticity of the groove 7.
  • the rigid knife 6 only occurs very much little wear and tear, so that long service lives are achieved. Both thin and thick products, or rather sections, can be cut equally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (11)

  1. Dispositif de refente transversale installés sur des mécanismes de pliage pour machines à imprimer rotatives à bobines, constitué d'un couteau tranchant rigide en flexion (6) monté sur un cylindre de coupe (2) et d'une barrette rainurée (7) montée sur un cylindre rainuré (1) et servant de moyen de contre-appui pour sectionner le produit à refendre, la barrette rainurée (7) étant constituée d'un élément rainuré (8) conçu d'un seul tenant et d'un élément formant ressort de pression (9 ; 16 ; 21 ; 23) et, par rapport au sens de déplacement (B) du cylindre rainuré (1), d'abord l'élément rainuré (8) et ensuite l'élément formant ressort de pression (9 ; 16 ; 21 ; 23) étant disposés côte à côte sur la périphérie du cylindre rainuré (1), et l'élément rainuré (8) de la barrette rainurée (7) étant réalisé dans une matière synthétique à faible élasticité, caractérisé en ce que l'élément formant ressort de pression (9 ; 16 ; 21 ; 23) est réalisé dans une matière synthétique d'une élasticité supérieure à celle de l'élément rainuré (8).
  2. Dispositif de refente transversale selon la revendication 1, caractérisé en ce que l'élément rainuré (8) est réalisé dans un élastomère.
  3. Dispositif de refente transversale selon la revendication 1, caractérisé en ce que l'élément rainuré (8) est réalisé en polyuréthanne.
  4. Dispositif de refente transversale selon la revendication 1, caractérisé en ce que l'élément formant ressort de pression (9) est réalisé dans un élastomère.
  5. Dispositif de refente transversale selon la revendication 1, 4, 5, caractérisé en ce que l'élément formant ressort de pression (9) est réalisé en polyuréthanne.
  6. Dispositif de refente transversale selon la revendication 1, caractérisé en ce que l'élément formant ressort de pression (21) est réalisé dans un matériau thermoplastique.
  7. Dispositif de refente transversale selon les revendications 1 et 7, caractérisé en ce que l'élément formant ressort de pression (21) est réalisé en polyamide, dans lequel est logé un élément élastique (22) s'étendant dans la direction axiale.
  8. Dispositif de refente transversale selon la revendication 8, caractérisé en ce que l'élément élastique (22) est réalisé en acier ou en matériau thermoplastique et présente une forme ondulée dans le sens de son axe longitudinal.
  9. Dispositif de refente transversale selon les revendications 1, 8 et 9, caractérisé en ce que l'élément élastique (22) est réalisé en polyamide.
  10. Dispositif de refente transversale selon la revendication 1, caractérisé en ce que l'élément rainuré (8) et l'élément formant ressort de pression (23) sont solidarisés l'un à l'autre, et en ce que l'élément formant ressort de pression (23) possède des trous (24) disposés dans la direction axiale.
  11. Dispositif de refente transversale selon la revendication 1, caractérisé en ce que le couteau tranchant (6) présente une épaisseur de 2 à 3 mm.
EP19920110936 1991-07-04 1992-06-27 Coupeuse transversale d'une plieuse pour des rotatives à bobines Expired - Lifetime EP0523435B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4122110 1991-07-04
DE4122110 1991-07-04
DE19924220480 DE4220480A1 (de) 1992-06-25 1992-06-25 Querschneideeinrichtung an Falzwerken für Rollenrotationsdruckmaschinen
DE4220480 1992-06-25

Publications (2)

Publication Number Publication Date
EP0523435A1 EP0523435A1 (fr) 1993-01-20
EP0523435B1 true EP0523435B1 (fr) 1997-02-19

Family

ID=25905201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920110936 Expired - Lifetime EP0523435B1 (fr) 1991-07-04 1992-06-27 Coupeuse transversale d'une plieuse pour des rotatives à bobines

Country Status (5)

Country Link
US (2) US5259283A (fr)
EP (1) EP0523435B1 (fr)
JP (1) JP2595170B2 (fr)
DE (1) DE59208046D1 (fr)
RU (1) RU2037427C1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424919C1 (de) * 1994-07-14 1995-09-28 Koenig & Bauer Ag Schneidmesserbalken eines Schneidzylinders in Falzwerken von Rollenrotationsdruckmaschinen
DE4433602A1 (de) * 1994-09-21 1996-03-28 Koenig & Bauer Albert Ag Gegenleiste für eine Perforiereinrichtung
US5813305A (en) * 1995-01-06 1998-09-29 Intermec Corporation Strip cutter for adhesive-backed media
US5709143A (en) * 1995-11-21 1998-01-20 Hay & Forage Industries Round baler twine cutter
US6003421A (en) * 1997-08-15 1999-12-21 Milich; Bruce Apparatus and method for cutting elongated webs of material
US6012365A (en) * 1998-04-20 2000-01-11 Heidelberger Druckmaschinen Ag Reduced maintenance cutting machine
US6138543A (en) * 1998-07-20 2000-10-31 C. G. Bretting Manufacturing Company, Inc. Blade mounting arrangement for cut-off system
DE19848973A1 (de) * 1998-10-23 2000-04-27 Bielomatik Leuze & Co Querschneider für Bahnmaterialien
US7430951B1 (en) * 2000-08-24 2008-10-07 Alcoa Inc. Method and apparatus for trimming aluminum sheet to reduce slivers and improve edge quality
US6687711B1 (en) 2000-12-04 2004-02-03 Centor Software Corporation Keyword and methods for using a keyword
US7007580B2 (en) 2002-04-11 2006-03-07 Goss International Americas, Inc. Apparatus for removably securing a cutting component
JP5517536B2 (ja) * 2009-09-18 2014-06-11 ユニ・チャーム株式会社 裁断装置
EP3463774B1 (fr) * 2016-05-24 2022-10-05 The Procter & Gamble Company Enclume rotative
US11292016B2 (en) 2018-03-16 2022-04-05 The Procter & Gamble Company Nozzle assembly used to manufacture absorbent articles

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Publication number Priority date Publication date Assignee Title
USRE17892E (en) * 1930-12-02 Cutting- cushion por polding cylinders
US1601335A (en) * 1925-09-19 1926-09-28 Joseph W Addison Cutter bar and clamping means therefor
US1797278A (en) * 1928-10-27 1931-03-24 Hoe & Co R Web-cutting mechanism
US1986457A (en) * 1931-01-10 1935-01-01 Wood Newspaper Mach Corp Cutting cushion for folding cylinders
US1977283A (en) * 1931-06-23 1934-10-16 Hoe & Co R Cutting mechanism for printing machines
US1868125A (en) * 1931-07-10 1932-07-19 Hoe & Co R Cutting mechanism for printing machine folders
US2405598A (en) * 1944-06-23 1946-08-13 Elliott Bay Mill Co Resiliently supported shear block
US2518960A (en) * 1946-03-09 1950-08-15 Wood Newspaper Mach Corp Web severing mechanism
US2680484A (en) * 1950-03-09 1954-06-08 Bolton John W & Sons Inc Cutting stick
US3188084A (en) * 1963-04-22 1965-06-08 Levey Fred K H Co Inc Folders and feeding operators
US3602970A (en) * 1969-04-14 1971-09-07 Ward Turner Machinery Co Latch bar assembly for replaceable cover
US3880037A (en) * 1974-01-07 1975-04-29 Dayco Corp Rotary anvil construction
US4031600A (en) * 1975-11-10 1977-06-28 The Fluorocarbon Company Attachment means for a machinery drum cover
JPS5487801U (fr) * 1977-12-05 1979-06-21
DE3318068A1 (de) * 1983-05-18 1984-11-22 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogendruckmaschine mit einrichtung zum laengsschneiden von druckboegen

Also Published As

Publication number Publication date
JPH05200695A (ja) 1993-08-10
EP0523435A1 (fr) 1993-01-20
US5259283A (en) 1993-11-09
RU2037427C1 (ru) 1995-06-19
JP2595170B2 (ja) 1997-03-26
DE59208046D1 (de) 1997-03-27
US5357831A (en) 1994-10-25

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