EP0600220B1 - Dispositif de coupe transversale pour un matériau en nappe, en particulier pour une bande de carton - Google Patents

Dispositif de coupe transversale pour un matériau en nappe, en particulier pour une bande de carton Download PDF

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Publication number
EP0600220B1
EP0600220B1 EP93117338A EP93117338A EP0600220B1 EP 0600220 B1 EP0600220 B1 EP 0600220B1 EP 93117338 A EP93117338 A EP 93117338A EP 93117338 A EP93117338 A EP 93117338A EP 0600220 B1 EP0600220 B1 EP 0600220B1
Authority
EP
European Patent Office
Prior art keywords
knife
cylinders
knife cylinders
gear wheels
transverse cutter
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
EP93117338A
Other languages
German (de)
English (en)
Other versions
EP0600220A1 (fr
Inventor
Felix Titz
Hans Mosburger
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau GmbH
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 BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Corrugated Maschinen und Anlagenbau GmbH
Publication of EP0600220A1 publication Critical patent/EP0600220A1/fr
Application granted granted Critical
Publication of EP0600220B1 publication Critical patent/EP0600220B1/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
    • B26D7/26—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
    • 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
    • B26D1/0006—Cutting members therefor
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/002—Materials or surface treatments therefor, e.g. composite materials
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/002—Materials or surface treatments therefor, e.g. composite materials
    • B26D2001/0026—Materials or surface treatments therefor, e.g. composite materials fiber reinforced materials
    • 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
    • Y10T83/4824—With means to cause progressive transverse cutting
    • 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
    • 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
    • Y10T83/9372—Rotatable type
    • Y10T83/9396—Shear type

Definitions

  • the invention relates to a cross cutter for webs of goods, in particular for a corrugated cardboard web with the features of the preambles of claims 1, 3 and 4.
  • a cross cutter is known in which tubular knife cylinders made of carbon fiber composite material are rotatably mounted in pairs on top of one another in a machine frame.
  • the knife holders with knives and opposite counterweight attached to each knife cylinder are still made of metal.
  • the disadvantage here is that the mass moment of inertia of the rotating knife cylinder system does not allow the highest possible operating speed with reduced energy consumption.
  • such a cross cutter does not achieve the optimum cutting quality for the web due to the bending of the knife rollers during the cut.
  • the invention has for its object to provide a cross cutter that ensures a high cut quality for the web and reduces energy consumption.
  • the cross cutter according to claim 1 has the advantage that because of the use of fiber composite material with a thermal expansion coefficient close to or equal to 0 mm / (mm ⁇ K) for knife cylinder, knife holder and counterweight, no longitudinal expansion occurs when heated, so that fixed bearings can be used for both ends of the knife cylinder are, which reduces the deflection of the knife cylinder and improves the cutting quality. In addition, the moment of inertia and thus the energy consumption is reduced.
  • helical gears can be used to increase smoothness and maintain good cutting quality.
  • the cross cutter according to claim 4 offers the advantage that the deflection of the knife rollers can be reduced or eliminated using stresses similar to those of the prestressed concrete.
  • the cross cutter according to claim 3 has the advantage of influencing the deflection of the knife cylinders to such an extent that the longitudinal expansions which occur when heated cause the knife cylinder systems to be bombed.
  • the cross cutter 1, in particular for a corrugated cardboard web 20, has lateral, stationary frame cheeks 2, 3.
  • an upper knife cylinder 4 and a lower knife cylinder 5 are rotatably mounted.
  • the knife cylinders 4, 5 have on their Ends shaft stub 6, which are mounted in the frame cheeks 2, 3 by means of bearings 7.
  • the bearings 7 on one side are fixed bearings 8, the bearings 7 on the other side are floating bearings 9.
  • the stub shaft 6 thus carry fixed gears 10 which mesh with each other and with a drive gear, not shown.
  • Each knife cylinder 4, 5 carries a knife holder 15 with a knife 16 running on the circumference with a twist. These knives 16 of the two knife cylinders 4, 5 work together to cut a web 20, the cutting point moving across the web 20 during the cutting process due to the knife edge course.
  • a counterweight 17 is attached to the knife cylinder 15, opposite the knife holder 15.
  • the cross cutter described so far is of a known type.
  • the heating of the knife cylinder system to approximately 60 ° C., which is caused by the work of the cross cutter 1, can be used to avoid or reduce the deflection of the knife cylinders 4, 5 at the desired low moments of inertia. This deflection affects the quality of the web cut.
  • the knife cylinders 4, 5 are manufactured according to the invention from a material which has a low, preferably negative coefficient of thermal expansion.
  • a fiber composite material is suitable for this, e.g. a carbon fiber composite material.
  • knife holder 15 and the opposite counterweight 17 are made of a material with a high, positive coefficient of thermal expansion. This results in a stress distribution similar to that in prestressed concrete. The deflection of the knife cylinder system, due to the cutting force, this is significantly reduced.
  • the knife cylinders 4, 5 usually bend more in the middle than at the ends due to the cutting force during cross cutting. There is a lower contact pressure of the knives in the middle of the knife cylinders than at the ends and thus a deterioration in the cutting quality.
  • the targeted choice of materials for the knife cylinder system results in high cutting quality. It is also possible to choose a material with a low coefficient of thermal expansion for the knife cylinders 4, 5, a material with a low coefficient of thermal expansion for the counterweight 17 and a material with a high coefficient of thermal expansion for the knife holder 15.
  • a material with a low coefficient of thermal expansion for the knife cylinders 4, 5 a material with a low coefficient of thermal expansion for the counterweight 17 and a material with a high coefficient of thermal expansion for the knife holder 15.
  • a helical gear 10 can be used on both knife cylinder ends, which increases the smoothness of the knife cylinder system, i.e. there are no increased deflection amplitudes due to the rolling process of the gears and the contact pressure of the knives 16 is maintained, thus a good quality of cut is achieved.
  • the knife holder 15 is made of a fiber composite material, e.g. Carbon fiber composite material, manufactured with a density of 1.5 km / dm3.
  • the knife 16 ' is formed only at the tip of the knife holder 15. It can be provided in a longitudinal recess 18 open to the outside.
  • This knife 16 ' consists of a wear-resistant material, preferably steel or ceramic.
  • the knife holder 15 is fastened to the knife cylinder 4, 5 by means of screws 19 penetrating holes (not shown). Such a knife holder 15 with knife 16 'significantly reduces the moment of inertia of the knife cylinder system. This increases the working speed and saves energy.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Details Of Cutting Devices (AREA)
  • Making Paper Articles (AREA)

Claims (6)

  1. Dispositif de coupe transversale pour un matériau en nappe, en particulier pour une bande de carton comprenant des cylindres à couteau (4, 5) en forme de tubes en matériau composite renforcé par des fibres, les cylindres à couteau étant montés rotatifs par paires dans un bâti de machine (2, 3), des supports de couteau (15) étant fixés aux cylindres à couteau (4, 5) pour des couteaux (16), s'étendent en oblique le long de la circonférence des cylindres à couteau (4,5), des contrepoids (17) étant agencés sur les cylindres à couteau (4, 5) du côté opposé aux supports de couteau (15) et comportant des roues dentées (10) agencées aux cylindres à couteau qui engrènent les unes avec les autres et par lesquelles les cylindres à couteau (4, 5) sont entraînés, caractérisé en ce que le cylindre à couteau (4, 5), le support de couteau (15) ainsi que le contrepoids (17) sont réalisés chacun en un matériau composite renforcé par des fibres avec un coefficient de dilatation thermique proche ou égal à 0mm/(mm x K), et en ce que les paliers (7) aux deux extrémités des cylindres à couteau (4, 5) sont des paliers fixes (8).
  2. Dispositif de coupe transversale selon la revendication 1, caractérisé en ce que les roues dentées (10) aux extrémités des cylindres à couteau (4, 5) sont des roues à denture hélicoïdale.
  3. Dispositif de coupe transversale pour un matériau en nappe, en particulier pour une bande de carton comprenant des cylindres à couteau (4, 5) en forme de tubes en matériau composite renforcé par des fibres, les cylindres à couteau étant montés rotatifs par paires dans un bâti de machine (2, 3), des supports de couteau (15) étant fixés aux cylindres à couteau (4, 5) pour des couteaux (16), s'étendent obliquement le long de la circonférence des cylindres à couteau (4,5), des contrepoids (17) étant agencés sur les cylindres à couteau (4, 5) du côté opposé aux supports de couteau (15) et comportant des roues dentées (10) agencées sur les cylindres à couteau qui engrènent les unes avec les autres et par lesquelles les cylindres à couteau (4, 5) sont entraînés, caractérisé en ce que les coefficients de dilatation thermique des cylindres à couteau (4, 5), des supports de couteau (15) et des contrepoids (17) sont différents de telle manière que les cylindres à couteau en service subissent lors de l'échauffement un bombage tel que la force nécessaire de coupe du couteau (16) reste maintenue pour une bonne qualité de coupe.
  4. Dispositif de coupe transversale pour un matériau en nappe, en particulier pour une bande de carton comprenant des cylindres à couteau (4, 5) en forme de tubes en matériau composite renforcé par des fibres, les cylindres à couteau étant montés rotatifs par paires dans un bâti de machine (2, 3), des supports de couteau (15) étant agencés sur les cylindres à couteau (4, 5) pour des couteaux (16), s'étendent obliquement le long de la circonférence des cylindres à couteau (4,5), des contrepoids (17) étant agencés sur les cylindres à couteau (4, 5) du côté opposé aux supports de couteau (15) et comportant des roues dentées (10) agencées sur les cylindres à couteau qui engrènent les unes avec les autres et par lesquelles les cylindres à couteau (4, 5) sont entraînés, caractérisé en ce que les cylindres à couteau (4, 5) et le contrepoids (17) possèdent un coefficient de dilatation thermique faible, de préférence négatif, et en ce que le support de couteau (15) avec le couteau (16) possède un coefficient de dilatation thermique élevé de façon que, lors de l'échauffement dû au travail du dispositif de coupe transversale, des tensions semblables à celle du béton précontraint soient générées.
  5. Dispositif de coupe transversale selon la revendication 3, caractérisé en ce que les cylindres à couteau (4, 5), sont réalisés en un matériau composite renforcé par des fibres et que le contrepoids (17) est réalisé en métal.
  6. Dispositif de coupe transversale selon la revendication 1, 3 ou 4, caractérisé en ce que le support de couteau (15) en matériau composite renforcé par des fibres présente seulement à la pointe un couteau (16') qui est en acier ou en céramique.
EP93117338A 1992-11-30 1993-10-26 Dispositif de coupe transversale pour un matériau en nappe, en particulier pour une bande de carton Expired - Lifetime EP0600220B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4240232A DE4240232C2 (de) 1992-11-30 1992-11-30 Querschneider für Warenbahnen, insbesondere für eine Wellpappenbahn
DE4240232 1992-11-30

Publications (2)

Publication Number Publication Date
EP0600220A1 EP0600220A1 (fr) 1994-06-08
EP0600220B1 true EP0600220B1 (fr) 1996-03-06

Family

ID=6474006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117338A Expired - Lifetime EP0600220B1 (fr) 1992-11-30 1993-10-26 Dispositif de coupe transversale pour un matériau en nappe, en particulier pour une bande de carton

Country Status (3)

Country Link
US (1) US6065382A (fr)
EP (1) EP0600220B1 (fr)
DE (2) DE4240232C2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9401592A (nl) * 1994-09-29 1996-05-01 A K Van Der Wijngaart Beheer B Mesblad.
DE19620663A1 (de) * 1996-05-22 1997-11-27 Bhs Corr Masch & Anlagenbau Querschneider für eine Warenbahn, insbesondere Wellpappenbahn
DE19723513A1 (de) * 1997-06-05 1998-12-10 Jagenberg Papiertech Gmbh Messertrommel für Maschinen zum Querschneiden von Materialbahnen
DE19726993A1 (de) * 1997-06-25 1999-01-07 Jagenberg Papiertech Gmbh Messertrommel für Maschinen zum Querschneiden von Materialbahnen
DE19823964A1 (de) * 1998-05-28 1999-12-02 Freudenberg Carl Fa Querschneider
DE19848973A1 (de) * 1998-10-23 2000-04-27 Bielomatik Leuze & Co Querschneider für Bahnmaterialien
DE19930480A1 (de) * 1999-07-01 2001-01-11 Roland Man Druckmasch Druckwerkzylinder einer Rotationsdruckmaschine
US6742427B2 (en) 2001-12-13 2004-06-01 John R. Buta Helical rotary drum shears
DE102006042331A1 (de) * 2005-10-22 2007-05-03 Neubauer, Kai, Dipl.-Ing. Messerzylinder zum Trennen von Bahnmaterial
JP5013799B2 (ja) * 2006-09-27 2012-08-29 三菱重工印刷紙工機械株式会社 ナイフシリンダ、ロータリカッタ、及びナイフ取り付け台の取り付け方法
DE102007052586A1 (de) * 2007-11-03 2009-05-07 Schmidt & Heinzmann Gmbh & Co. Kg Schneidvorrichtung
KR102125239B1 (ko) * 2016-03-31 2020-06-22 주식회사 엘지화학 절삭 장치 및 이를 포함하는 면취기

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DE814236C (de) * 1949-04-22 1951-09-20 Jagenberg Werke Ag Querschneider mit umlaufenden Messern
US3321145A (en) * 1965-10-21 1967-05-23 H & G Tool Co Carbide tipped chipper
US3769868A (en) * 1971-04-19 1973-11-06 Strucker O Kg Transverse cutting machine
JPS5058382U (fr) * 1973-09-26 1975-05-30
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DE2929882A1 (de) * 1979-07-24 1981-02-19 Bosch Gmbh Robert Werkzeug fuer einen nager
US4426897A (en) * 1981-07-13 1984-01-24 Littleton Francis J Thermal adjustment method and apparatus for rotating machines
FR2546101B3 (fr) * 1983-05-19 1986-08-08 Labach Jean Emporte-piece a structure composite
DE3634198A1 (de) * 1986-10-08 1988-04-21 Peters W Maschf Querschneider
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JPH03213295A (ja) * 1990-01-19 1991-09-18 Canon Inc カッター及び前記カッターを用いた記録装置

Also Published As

Publication number Publication date
DE4240232A1 (de) 1994-06-01
EP0600220A1 (fr) 1994-06-08
DE59301794D1 (de) 1996-04-11
US6065382A (en) 2000-05-23
DE4240232C2 (de) 1995-04-27

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