EP1808277B1 - Dispositif de coupe longitudinale pour couper une bande de matériau déroulante - Google Patents

Dispositif de coupe longitudinale pour couper une bande de matériau déroulante Download PDF

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Publication number
EP1808277B1
EP1808277B1 EP06124532A EP06124532A EP1808277B1 EP 1808277 B1 EP1808277 B1 EP 1808277B1 EP 06124532 A EP06124532 A EP 06124532A EP 06124532 A EP06124532 A EP 06124532A EP 1808277 B1 EP1808277 B1 EP 1808277B1
Authority
EP
European Patent Office
Prior art keywords
profile
knife
cutting device
guides
material web
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.)
Not-in-force
Application number
EP06124532A
Other languages
German (de)
English (en)
Other versions
EP1808277A1 (fr
Inventor
Hermann Albert Stitz
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1808277A1 publication Critical patent/EP1808277A1/fr
Application granted granted Critical
Publication of EP1808277B1 publication Critical patent/EP1808277B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B26D7/2621—Means for mounting the cutting member for circular cutters
    • 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
    • B26D1/00—Cutting 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
    • B26D1/01—Cutting 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
    • B26D1/12—Cutting 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
    • B26D1/14—Cutting 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
    • B26D1/24—Cutting 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 another disc cutter
    • B26D1/245—Cutting 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 another disc cutter for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/2635—Means for adjusting the position of the cutting member for circular cutters

Definitions

  • the invention relates to a longitudinal cutting device for cutting a moving material web, in particular a paper or board web, with at least one, a circular knife carrying carriage, which is preferably mounted on a transversely extending to the direction of the moving material web knife carrier by means of guides and having a knife holder in which the circular blade having a rotation axis is rotatably mounted.
  • the invention will be described below generally with reference to a material web. However, it is also applicable to other webs, such as sheets of paper, cardboard, plastic or metal foil, accordingly.
  • Such a longitudinal cutting device is for example from the German utility model DE 298 12 753 U1 from which the features of the preamble of claim 1 are known.
  • the known longitudinal cutting devices for moving material webs usually contain a plurality of circular knives arranged in pairs, wherein in each case a pair of circular knives severes the moving material web for division into individual webs in the longitudinal direction.
  • Such slitters are usually components of winders or cross-cutting machines that produce individual narrower bobbins from a wide and moving material web or by additional cross-cutting individual sheets.
  • the pairs of circular knives can be positioned transversely to the running direction of the moving material web.
  • the circular knives each consist of a current material web during cutting supporting pot knife and a dipping into the moving material tip knife whose cutting edges must be positioned exactly to each other in the desired cutting position.
  • the pot knife used as a lower blade is driven, while the tip blade is freely rotatably mounted as a top blade ( DE 34 19 843 C2 ).
  • a quick release device for blade positioning on a transverse to the web guide wherein the guide consists of standing in mutual effect dependency guide surfaces and at least a part of the guide, in particular one of the effective guide surfaces, above the axes of rotation of the circular blade. Due to this type of storage, there are not inconsiderable oscillations, which adversely affect both the quality of cut and the life of the individual circular blade. A poor cut quality, which preferably occurs due to unclean cuts, in turn promotes the formation of web breaks and increased dust formation. Both consequences have a negative effect on the runnability of the slitter.
  • the invention is therefore the object of a longitudinal cutting device of the type mentioned in such a way that both the quality of cut and the life of the circular blade is increased.
  • the inventive storage of the circular blade rotatably stored slide is thus characterized by small lever arms between storage and possible force application and thus by the smallest possible moments, in particular torsional and bending moments from.
  • the formation of vibrations which adversely affect both the quality of cut and the life of the individual circular blade in the manner already described, significantly reduced.
  • the knife crosshead is designed as an open, an inner region exhibiting the running material web, that the carriage rotatably supporting the circular knife is arranged at least predominantly in the inner region of the profiled crossbar formed as profile and that the Sled bearing guides are provided in the area.
  • This embodiment is characterized by a mechanically rigid connection of the circular blade to its storage.
  • the design of the knife traverse in the form of an open and an inner profile having profile provides maximum stability and rigidity.
  • the profile forming the knife cross-piece has a basic structure which is at least similar to a U-profile.
  • This basic structure offers maximum mechanical stability in terms of size and design and thus substantially supports the achievement of an improved cut quality and an increased runtime of the circular knife.
  • the profile forming the knife crossbar can also be another Basic structure, such as a circle segment, a semicircle or the like, have.
  • the profile forming the knife cross-section preferably has a profile wall thickness in the range from 3 to 30 mm, preferably from 5 to 20 mm.
  • the resulting from the profile wall thickness stability and rigidity allows even at high production speeds, the cutting of a high basis weight having web with increased cut quality and increased life of the circular blade.
  • the guides can be arranged on the knife cross-section facing away from the inner region of the profile, they can be arranged on the knife cross-section facing the inner region of the profile or they can ultimately at least reach the inner region of the profile side by side or facing away to be arranged on the knife crossmember.
  • the carriage which rotatably supports the circular blade is arranged completely or predominantly in the inner region of the knife cross-section designed as a profile. This in turn results in the already mentioned advantages in terms of stability and rigidity. In the end, this results in an improved cut quality and an increased runtime of the circular knife.
  • the guides are designed as plain bearing guides, each of which has at least one guide base profile extending transversely to the running direction of the moving material web and attached directly or indirectly to the knife traverse and at least one directly or indirectly attached to the carriage and with the guide base profile having geometrically connected guide head.
  • Such a design of the guides is characterized in particular by good leadership properties, such as force flows and types of movement.
  • the sole FIGURE shows a schematic side view of a possible embodiment of a longitudinal cutting device 1 according to the invention for cutting a running material web 2.
  • the running material web 2 may be a web of paper, cardboard, plastic film, metal foil or the like.
  • such a longitudinal cutting device 1 is a component of a wind-up or cross-cutting machine which produces individual narrower winding rolls from a wide and moving material web or individual sheets by additional transverse cutting.
  • a longitudinal cutting device 1 can be installed in a roll cutting machine.
  • the illustrated longitudinal cutting device 1 for cutting the moving material web 2 comprises a circular blade pair 3, which is the current Material web 2 divided for division into individual tracks in the longitudinal direction.
  • the circular blade pair 3 consists of a current material web 2 when cutting supporting lower blade 4 and a dipping into the running material web 2 upper blade 5 exist.
  • a bottom knife 4 pot knife and as a top knife 5 disc-shaped tip knife used are described.
  • the longitudinal cutting device 1 can of course also have only one circular blade for cutting the moving material web.
  • Each circular blade 4, 5 is arranged on a supporting carriage 6, 7 which is mounted in each case on a transverse to the running direction (L) of the moving material web 2 extending blade traverse 8, 9 by means of guides 10, 11 and each of a knife holder 12, 13, on which the respective, a rotation axis A4, A5 having circular blade 4, 5 is rotatably mounted.
  • the adjustable mounting of the carriages 6, 7 ensures that each circular blade 4, 5 can be positioned transversely to the running direction L (arrow) of the material web 2 to be divided in order to set the required format width.
  • each upper blade 5 in the direction of its axis of rotation A5 against the associated lower blade 4 can be adjusted so that the two cutting edges can be aligned exactly relative to each other.
  • each upper blade 5 can be brought into an inactive position, if it is not needed for longitudinal cutting of the running material web 2.
  • the guides 10, 11 supporting the associated carriages 6, 7 are provided in a region B which is delimited by parallel lines P4, P5 parallel to the material web 2 by the axes of rotation A4, A5 of the circular blades 4, 5 and the moving material web 2 walk.
  • the parallels P4, P5 define above and below the area B, which is provided with a hatching for better clarity.
  • the respective blade crossbar 8, 9 is formed as a running material web 2 facing, open and an inner region 16, 17 exhibiting profile 14, 15, which has a U-profile at least similar basic structure 18, 19 and a profile wall thickness D14, D15 in Range of 3 to 30 mm, preferably from 5 to 20 mm.
  • the profile 14 of the lower blade 4 is down, opened to the running material web 2, while the profile 15 of the upper blade 5 is open to the top, to the moving web 2 out.
  • the two profiles 14, 15 need not have the same shape or the same dimensions; depending on the application, these properties may be different.
  • the individual, the respective circular blade 4, 5 rotatably supporting carriages 6, 7 almost completely in the respective inner region 16, 17 of the profile 14, 15 formed as a knife beam 8, 9 are arranged.
  • the respective circular blade 4, 5 may also be arranged predominantly in the respective inner region 16, 17.
  • the guides 10 for the lower blade 4 are arranged facing away from the inner region 16 of the profile 14 on the knife cross member 8, so that the carriage 6 which rotatably supports the lower knife 4 is arranged completely in the inner region 16 of the knife crosspiece 8.
  • the guides 11 for the upper blade 5 are arranged facing the inner region 17 of the profile 15 on the knife crosspiece 9, so that the carriage 7 which rotatably supports the upper knife 5 is arranged predominantly in the inner region 17 of the knife crosspiece 9.
  • the guides 10, 11 are formed as sliding bearing guides 20, each extending transversely to the direction L (arrow) of the moving material web 2 extending and directly or indirectly attached to the corresponding blade crossbar 8, 9 Guide basic profile 21 and one on the corresponding carriage 6, 7 directly or indirectly attached and with the guide base profile 21 geometrically connected guide head 22 have.
  • the individual slide bearing guides 20 can be designed differently in terms of design, shape and dimensions.
  • the illustrated longitudinal cutting device 1 can also be used in a slitter-cutting machine which is well-known to the person skilled in the art and has at least one longitudinal cutting device for cutting a running material web.
  • a longitudinal cutting device of the type mentioned is further developed by the invention that both the quality of cut and the duration of the at least one circular blade is increased.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Milling Processes (AREA)
  • Nonmetal Cutting Devices (AREA)

Claims (8)

  1. Dispositif de coupe longitudinale (1) pour découper une bande de matériau en mouvement (2), en particulier une bande de papier ou de carton, comprenant au moins un chariot (6, 7) portant une lame circulaire (4, 5), qui est monté de préférence de manière à pouvoir coulisser au moyen de guides (10, 11) sur une traverse de lame (8, 9) s'étendant transversalement à la direction d'avance (L) de la bande de matériau en mouvement (2), et qui présente un support de lame (12, 13) sur lequel est montée à rotation la lame circulaire (4, 5) présentant un axe de rotation (A4, A5),
    caractérisé en ce que
    les guides (10, 11) supportant le chariot associé (6, 7) sont prévus dans une région (B) qui est limitée par des parallèles (P4, P5), qui s'étendent parallèlement à la bande de matériau (2) à travers les axes de rotation (A4, A5) de la lame circulaire (4, 5) et de la bande de matériau en mouvement (2).
  2. Dispositif de coupe longitudinale (1) selon la revendication 1,
    caractérisé en ce que
    la traverse de lame (8, 9) est réalisée sous forme de profilé (14, 15) ouvert et présentant une région interne (16, 17), tourné vers la bande de matériau en mouvement (2),
    en ce que le chariot (6, 7) supportant à rotation la lame circulaire (4, 5) est disposé au moins pour la majeure partie dans la région interne (16, 17) de la traverse de lame (8, 9) réalisée sous forme de profilé (14, 15), et
    en ce que les guides (10, 11) supportant le chariot (6, 7) sont prévus dans la région (B).
  3. Dispositif de coupe longitudinale (1) selon la revendication 2,
    caractérisé en ce que
    le profilé (14, 15) formant la traverse de lame (8, 9) présente une structure de base (18, 19) se rapprochant au moins d'un profilé en U.
  4. Dispositif de coupe longitudinale (1) selon la revendication 2 ou 3,
    caractérisé en ce que
    le profilé (14, 15) formant la traverse de lame (8, 9) présente une épaisseur de paroi de profilé (D14, D15) de l'ordre de 3 à 30 mm, de préférence de 5 à 20 mm.
  5. Dispositif de coupe longitudinale (1) selon l'une quelconque des revendications 2 à 4,
    caractérisé en ce que
    les guides (10) sont disposés sur la traverse de lame (8) à l'opposé de la région interne (16) du profilé (14), et
    en ce que le chariot (6) supportant à rotation la lame circulaire (4) est disposé complètement dans la région interne (16) de la traverse de lame (8) réalisée sous forme de profilé (14).
  6. Dispositif de coupe longitudinale (1) selon l'une quelconque des revendications 2 à 4,
    caractérisé en ce que
    les guides (11) sont disposés sur la traverse de lame (9) en direction de la région interne (17) du profilé (15), et
    en ce que le chariot (7) supportant à rotation la lame circulaire (5) est disposé pour la majeure partie dans la région interne (17) de la traverse de lame (9) réalisée sous forme de profilé (15).
  7. Dispositif de coupe longitudinale (1) selon l'une quelconque des revendications 2 à 4,
    caractérisé en ce que
    les guides (10, 11) sont disposés sur la traverse de lame (8, 9) en direction de ou à l'opposé de la région interne (16, 17) du profilé (14, 15), au moins du côté latéral, et en ce que le chariot (6, 7) supportant à rotation la lame circulaire (4, 5) est disposé pour la majeure partie dans la région interne (16, 17) de la traverse de lame (8, 9) réalisée sous forme de profilé (14, 15).
  8. Dispositif de coupe longitudinale (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que
    les guides (10, 11) sont réalisés sous forme de guides à paliers lisses, qui présentent à chaque fois au moins un profilé de base de guidage (21) s'étendant transversalement à la direction d'avance (L) de la bande de matériau en mouvement (2) et monté directement ou indirectement sur la traverse de lame (8, 9), et au moins une tête de guidage (22) montée directement ou indirectement sur le chariot (6, 7) et connectée géométriquement au profilé de base de guidage (21).
EP06124532A 2006-01-14 2006-11-22 Dispositif de coupe longitudinale pour couper une bande de matériau déroulante Not-in-force EP1808277B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202006000544U DE202006000544U1 (de) 2006-01-14 2006-01-14 Längsschneideeinrichtung zum Schneiden einer laufenden Materialbahn

Publications (2)

Publication Number Publication Date
EP1808277A1 EP1808277A1 (fr) 2007-07-18
EP1808277B1 true EP1808277B1 (fr) 2011-06-29

Family

ID=36274314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06124532A Not-in-force EP1808277B1 (fr) 2006-01-14 2006-11-22 Dispositif de coupe longitudinale pour couper une bande de matériau déroulante

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EP (1) EP1808277B1 (fr)
AT (1) ATE514538T1 (fr)
DE (1) DE202006000544U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111097962B (zh) * 2020-01-08 2024-09-03 福清市龙固铝业有限公司 一种铝合金门窗原材料粗加工固定切边装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2716703C3 (de) * 1977-04-15 1980-10-16 Dienes Werke Fuer Maschinenteile Gmbh & Co Kg, 5063 Overath Quetschmesserhalter mit Heizvorrichtung
DE3419843C2 (de) 1984-05-26 1986-04-03 Jagenberg AG, 4000 Düsseldorf Längsschneideeinrichtung für Bahnmaterial, insbesondere Papier- und Kartonbahnen
DE3836502A1 (de) * 1988-10-26 1990-05-03 Bhs Bayerische Berg Vorrichtung zum axialen anpressen eines schneidwerkzeuges an das gegenwerkzeug einer laengsschneide- und/oder rillmaschine, insbesondere fuer wellpappe
DE19810939A1 (de) 1998-03-13 1999-09-16 Jagenberg Papiertech Gmbh Längsschneidevorrichtung zum Schneiden von laufenden Materialbahnen
US6155154A (en) 1999-03-20 2000-12-05 Hsu; Yuan-Chang Quick positioning device of a bank knife

Also Published As

Publication number Publication date
DE202006000544U1 (de) 2006-04-13
ATE514538T1 (de) 2011-07-15
EP1808277A1 (fr) 2007-07-18

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