EP0671247A1 - Dispositif pour la coupe longitudinale de matériaux imprimés dans des machines à feuilles et rotatives - Google Patents

Dispositif pour la coupe longitudinale de matériaux imprimés dans des machines à feuilles et rotatives Download PDF

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Publication number
EP0671247A1
EP0671247A1 EP95103024A EP95103024A EP0671247A1 EP 0671247 A1 EP0671247 A1 EP 0671247A1 EP 95103024 A EP95103024 A EP 95103024A EP 95103024 A EP95103024 A EP 95103024A EP 0671247 A1 EP0671247 A1 EP 0671247A1
Authority
EP
European Patent Office
Prior art keywords
support
drum
cutting
knife
printing material
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
EP95103024A
Other languages
German (de)
English (en)
Other versions
EP0671247B1 (fr
Inventor
Heinrich Beck
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0671247A1 publication Critical patent/EP0671247A1/fr
Application granted granted Critical
Publication of EP0671247B1 publication Critical patent/EP0671247B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20Cutting beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/22Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller
    • B26D1/225Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller for thin material, e.g. for sheets, strips or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20Cutting beds
    • B26D2007/202Rollers or cylinders being pivoted during operation

Definitions

  • the invention relates to a device for longitudinally cutting printing materials in sheet-fed and reel-fed machines with a cutting device which is designed as a circular knife, opposite which is a rotating drum which is provided with a support which completely or partially covers its drum surface and on which the printing material is subjected during the cutting process lies on.
  • the circular knife has a slightly rounded cutting edge and, while rotating at a circumferential speed corresponding to the transport speed of the printing material, is pressed at high pressure against a cutting plate or cutting tape with a hardened surface, which is stretched under the printing material on the drum Steel, pressed.
  • the substrate is cut by squeezing it apart. Due to the high pressure required for squeezing the printing material apart, the knife wears out comparatively quickly and must therefore be replaced at relatively short intervals.
  • the pressure also destroys the counter surface, i.e. the cutting plate or the cutting band, over time and makes it unusable.
  • this device also has the disadvantage that the knife tends to jump at higher speeds and can lift off when it hits the contact surface of the counter surface after passing through the gripper channel and receives a shock there.
  • a circular, sharpened knife is pressed during rotation with a side surface against a fixed second knife or a sharp edge, which is formed, for example, by a groove in the drum.
  • the substrate is sheared off as the cutting edge and the edge or the two cutting edges slide past each other.
  • the object of the invention is to provide a device of the type mentioned, which avoids the disadvantages mentioned, is quick and easy to adjust and the knife reaches a long service life.
  • the object is achieved in that the sharpened circular knife rotates at high circumferential speed against the transport direction of the printing material and that the knife cuts through the printing material into the support of the drum or protrudes into a groove in the support of the drum.
  • the device according to the invention is particularly easy to adjust because only the knife has to be adjusted to the appropriate cutting dimension of the printing material. There is no need to adapt to a second cutting edge.
  • the knife wears much less and cannot be damaged because it is not pressed against a counter surface and does not come into contact with another sharp-edged surface.
  • the knife either moves freely in an existing matching groove in the support or in a groove that has formed after cutting the cutting edge of the knife into the support made of a relatively soft material after a few revolutions below the cutting area in the support .
  • the knife then only comes into contact with the substrate to be cut and therefore has to be reground much less often.
  • the set-up time of the machine is shortened by simply and quickly setting the knife to the desired cutting dimension. This and the longer service life of the knife increase the production speed.
  • a good quality of the cut of the printing material is also achieved, since the knife rotates at a high rotational speed and counter to the transport direction, similar to a circular saw.
  • a pad that is made of a soft material such as rubber, foam, a soft plastic or similar material is particularly suitable. These materials offer little resistance to the knife, so that it can cut a groove in which it is guided after only a few turns.
  • the material of the pad is so soft on the one hand that the cutting edge cannot be worn or damaged when it comes into contact with it, but on the other hand so stable that the shoulders of the groove form a support for the printing material. This has the advantage that the support is suitable for every position of the knife and does not have to be specially adapted.
  • the support consists of a plurality of layers arranged one above the other, the layers being able to consist of the same or different material.
  • the drum cover can be designed as a support.
  • the support can also be stretched on the drum as a mat or as a band.
  • the support can be applied to a carrier layer.
  • a carrier layer preferably consists of metal. The metal layer offers protection in the event that the knife is accidentally set too low and, after cutting through the pad, penetrates into the drum cover and damages it.
  • the printing material is held on the support by means of a vacuum along its cut surfaces.
  • openings are provided in the support, which are connected to a suction device.
  • the drawing shows a cylinder 1 of an arc machine.
  • a support 2 is arranged on the cylinder 1 and is applied to a carrier layer 3.
  • the carrier layer 3 with the support 2 is clamped onto the surface of the cylinder 1 with the aid of clamping and clamping means (not shown).
  • the clamping and clamping means are provided in a channel of the cylinder 1, not shown.
  • the pad 2 consists of foam and the carrier layer 3 from a Metal, for example made of aluminum. The latter facilitates the mounting of the support 2 on the cylinder 1 and protects the surface of the cylinder 1 from accidental damage.
  • a sheet of paper 4 is stretched onto the support 2 and is to be cut lengthways in the middle.
  • the cutting device 5 shown in the drawing has a sharpened circular knife 6, which is driven by a motor, rotates at high rotational speed above the cylinder 1.
  • the circular knife 6 rotates in the same direction of rotation as the cylinder 1, so that the movement of the circular knife 6 at the interface is opposite to the transport direction of the paper sheet 4.
  • the circular knife 6 is arranged so that it projects with its cutting edge 7 through the paper sheet 4 into the support 2.
  • the circular knife 6 has cut into a groove 8 with its cutting edge 7, in which the rotating circular knife 6 can rotate freely. This protects the cutting edge 7 of the circular knife 6.
  • the groove 8 is exaggerated for clarity.
  • the support 2 extends in practice on both sides of the groove 8 up to the cutting edge 7, so that the paper sheet 4 is well guided and supported in the cutting area.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
EP95103024A 1994-03-10 1995-03-03 Dispositif pour la coupe longitudinale de matériaux imprimés dans des machines à feuilles et rotatives Expired - Lifetime EP0671247B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4408075A DE4408075C2 (de) 1994-03-10 1994-03-10 Vorrichtung zum Längsschneiden von Bedruckstoffen in Bogen- und Rollenmaschinen
DE4408075 1994-03-10

Publications (2)

Publication Number Publication Date
EP0671247A1 true EP0671247A1 (fr) 1995-09-13
EP0671247B1 EP0671247B1 (fr) 1998-04-29

Family

ID=6512405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95103024A Expired - Lifetime EP0671247B1 (fr) 1994-03-10 1995-03-03 Dispositif pour la coupe longitudinale de matériaux imprimés dans des machines à feuilles et rotatives

Country Status (3)

Country Link
EP (1) EP0671247B1 (fr)
AT (1) ATE165547T1 (fr)
DE (2) DE4408075C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5725244A (en) * 1996-07-09 1998-03-10 Breed Automotive Technology, Inc. Airbag venting mechanism
DE19830978A1 (de) * 1998-07-10 2000-01-13 Roland Man Druckmasch Verfahren zum Schneiden einer Bedruckstoffbahn in Längsrichtung und Schneidvorrichtung zum Schneiden der Bedruckstoffbahn
WO2002066212A1 (fr) * 2001-02-21 2002-08-29 Koenig & Bauer Aktiengesellschaft Dispositif de nettoyage pour dispositif de coupe longitudinale, et procede de nettoyage de ce dispositif de coupe longitudinale
US8556789B2 (en) 2009-10-23 2013-10-15 Mueller Martini Holding Ag Method for producing a printed product

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218396186U (zh) * 2022-11-07 2023-01-31 宁德时代新能源科技股份有限公司 极片分切刀架及极片分切机

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2131851A (en) * 1936-04-18 1938-10-04 Josiah Anstice & Company Inc Vegetable slicing machine
FR2152857A1 (fr) * 1971-09-14 1973-04-27 Tno
FR2223288A1 (fr) * 1973-04-02 1974-10-25 Ici Ltd
US4073207A (en) * 1976-12-22 1978-02-14 Robud Co. Lock for rotary die cutting blanket
GB2043518A (en) * 1979-03-08 1980-10-08 Webron Products Ltd A method and apparatus for making felt strips
EP0132835A1 (fr) * 1983-07-27 1985-02-13 Gebrüder Kömmerling Kunststoffwerke GmbH Semelle d'estampage et procédé de sa fabrication
EP0140313A2 (fr) * 1983-10-19 1985-05-08 Trimmer Machine Co., Inc. Dispositif pour aligner et rogner des livres
GB2230489A (en) * 1989-04-12 1990-10-24 Carl Mfg Co Cutter for shredder
EP0443396A2 (fr) * 1990-02-21 1991-08-28 PETERS MASCHINENFABRIK GmbH Machine à fendre en long une bande de matière qui défile
EP0472097A1 (fr) * 1990-08-17 1992-02-26 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif de coupe rotative
EP0500411A1 (fr) * 1991-02-18 1992-08-26 E.I. Du Pont De Nemours And Company Dispositif pour couper en long des bandes en matière plastique
DE9303547U1 (fr) * 1993-03-11 1993-05-13 Service-Technik Wolfertz Gmbh, 5600 Wuppertal, De
EP0585927A2 (fr) * 1992-09-04 1994-03-09 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif de coupe ayant un couteau circulaire rotatif

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626726C (de) * 1934-05-06 1936-03-02 August Koenig Dr Ing Verfahren zum wechselseitigen Querperforieren und Vorfalzen von zickzackfoermig zu faltenden Formularbaendern o. dgl.
DE9115864U1 (fr) * 1991-12-20 1992-04-23 Holder, Joachim-Christian, 7420 Muensingen, De

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2131851A (en) * 1936-04-18 1938-10-04 Josiah Anstice & Company Inc Vegetable slicing machine
FR2152857A1 (fr) * 1971-09-14 1973-04-27 Tno
FR2223288A1 (fr) * 1973-04-02 1974-10-25 Ici Ltd
US4073207A (en) * 1976-12-22 1978-02-14 Robud Co. Lock for rotary die cutting blanket
GB2043518A (en) * 1979-03-08 1980-10-08 Webron Products Ltd A method and apparatus for making felt strips
EP0132835A1 (fr) * 1983-07-27 1985-02-13 Gebrüder Kömmerling Kunststoffwerke GmbH Semelle d'estampage et procédé de sa fabrication
EP0140313A2 (fr) * 1983-10-19 1985-05-08 Trimmer Machine Co., Inc. Dispositif pour aligner et rogner des livres
GB2230489A (en) * 1989-04-12 1990-10-24 Carl Mfg Co Cutter for shredder
EP0443396A2 (fr) * 1990-02-21 1991-08-28 PETERS MASCHINENFABRIK GmbH Machine à fendre en long une bande de matière qui défile
EP0472097A1 (fr) * 1990-08-17 1992-02-26 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif de coupe rotative
EP0500411A1 (fr) * 1991-02-18 1992-08-26 E.I. Du Pont De Nemours And Company Dispositif pour couper en long des bandes en matière plastique
EP0585927A2 (fr) * 1992-09-04 1994-03-09 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif de coupe ayant un couteau circulaire rotatif
DE9303547U1 (fr) * 1993-03-11 1993-05-13 Service-Technik Wolfertz Gmbh, 5600 Wuppertal, De

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5725244A (en) * 1996-07-09 1998-03-10 Breed Automotive Technology, Inc. Airbag venting mechanism
DE19830978A1 (de) * 1998-07-10 2000-01-13 Roland Man Druckmasch Verfahren zum Schneiden einer Bedruckstoffbahn in Längsrichtung und Schneidvorrichtung zum Schneiden der Bedruckstoffbahn
DE19830978C2 (de) * 1998-07-10 2000-08-31 Roland Man Druckmasch Verfahren zum Schneiden einer Bedruckstoffbahn in Längsrichtung und Schneidvorrichtung zum Schneiden der Bedruckstoffbahn
WO2002066212A1 (fr) * 2001-02-21 2002-08-29 Koenig & Bauer Aktiengesellschaft Dispositif de nettoyage pour dispositif de coupe longitudinale, et procede de nettoyage de ce dispositif de coupe longitudinale
US7147724B2 (en) 2001-02-21 2006-12-12 Koenig & Bauer Aktiengesellschaft Cleaning device for a longitudinal cutting device and method for cleaning the device
US8556789B2 (en) 2009-10-23 2013-10-15 Mueller Martini Holding Ag Method for producing a printed product

Also Published As

Publication number Publication date
EP0671247B1 (fr) 1998-04-29
DE4408075A1 (de) 1995-09-21
DE59502027D1 (de) 1998-06-04
ATE165547T1 (de) 1998-05-15
DE4408075C2 (de) 1998-10-29

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