EP0952905A1 - Dispositif de coupe par rotation d'un materiau en forme de bande - Google Patents

Dispositif de coupe par rotation d'un materiau en forme de bande

Info

Publication number
EP0952905A1
EP0952905A1 EP98902999A EP98902999A EP0952905A1 EP 0952905 A1 EP0952905 A1 EP 0952905A1 EP 98902999 A EP98902999 A EP 98902999A EP 98902999 A EP98902999 A EP 98902999A EP 0952905 A1 EP0952905 A1 EP 0952905A1
Authority
EP
European Patent Office
Prior art keywords
grinding
counter tool
race
counter
races
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
EP98902999A
Other languages
German (de)
English (en)
Other versions
EP0952905B1 (fr
Inventor
Klaus Wittmaier
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.)
Schober GmbH Werkzeug und Maschinenbau
Original Assignee
Schober GmbH Werkzeug und Maschinenbau
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 Schober GmbH Werkzeug und Maschinenbau filed Critical Schober GmbH Werkzeug und Maschinenbau
Publication of EP0952905A1 publication Critical patent/EP0952905A1/fr
Application granted granted Critical
Publication of EP0952905B1 publication Critical patent/EP0952905B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/368—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades installed as an accessory on another machine
    • 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
    • B26D7/08—Means for treating work or cutting member to facilitate cutting

Definitions

  • the invention relates to a device for rotary cutting of web-shaped material according to the preamble of claim 1.
  • Devices of this type generally have a rotary cutting roller, which carries at least one cutting edge on its outer surface, with which the web-shaped material is cut.
  • This web-like material passes through a gap between the rotary cutting roller and a counter tool.
  • the cutting edge is fed in the direction of the counter tool via races, which are usually provided on the rotary cutting roller.
  • the cutting edge can either protrude slightly beyond the outer circumference of these races, be flush with them or be slightly recessed. This depends on the web material to be cut.
  • the invention has for its object to develop a device of the type mentioned in such a way that the gap changing due to wear of the cutting edge can be adjusted relatively easily.
  • the distance between the rotary cutting roller and the counter tool is reduced and the cutting edge is thereby delivered. This can be done relatively easily by placing the grinding element on the races or the counter tool and removing material until the desired distance between the cutting edge and the counter tool or the desired narrow gap is restored.
  • the grinding device according to the invention is used during the normal cutting process and if necessary.
  • the device can be swung open and / or pressed on mechanically, pneumatically and / or hydraulically.
  • the grinding time can be chosen as long as desired and also set.
  • the contact pressure and thus the removal rate can be freely selected and set.
  • the grinding element of the grinding device can be matched to the race.
  • the grinding element or the complete grinding device can be moved by springs and pneumatic support during the grinding process, oscillating transversely to the direction of rotation, so that there is even removal.
  • the grinding element can be wider or narrower than the race. Upstream or downstream cleaning rollers can be provided which absorb dust and dirt.
  • the cleaning can also be carried out by fixed lips or scrapers and a cleaning additive or an abrasive can be added.
  • the device can be placed or swung open with or against the direction of rotation of the race as required. If the grinding process takes place on the counter cylinder, then usually in the areas where the races are seated. Because of the
  • the pivoting mechanism is independent of the roller diameter.
  • a scraper for example a blade scraper, can be placed in front of or behind the cleaning elements.
  • the grinding element can also be composed of several different grinding materials, for example a compound grinding element or sandwich grinding element.
  • the shape of the grinding element can be arbitrary, for example flat, arched, concave, convex or prismatic. If heat is undesirably generated on the race during the grinding or polishing process, a compressed air nozzle for cooling the race can be attached to the grinding device. If it is necessary for the grinding result, the grinding device can be moved in addition to the transverse movement or independently of it in or against the running direction of the race. In addition, the pressure force can be set to different degrees or additionally applied in a pulsating manner.
  • FIG. 1 is a schematic representation of the grinding device according to the invention.
  • Figure 2 is a schematic representation of a
  • FIGS 3a to 3d different shapes of the grinding elements.
  • a race 1 of a rotary cutting cylinder and a counter tool 2 is shown. Both the race 1 and the counter tool 2 run in the direction of arrows 3 and 4.
  • This loop device is pivotally mounted about a bearing 6 in the direction of the double arrow 7.
  • the grinding device 5 is acted upon in the direction of the arrow 8 by a suitable device with a compressive force and is thus pressed onto the outer surface of the race 1.
  • Cleaning rollers 11 and 12 are provided in front of and behind the grinding element 9, which clean and, if necessary, wet the surface of the race 1.
  • FIG. 2 shows an oscillation device 13 with which the grinding element 9 is moved in an oscillating manner in the direction of the axis 14 of the race 1 and thus in the direction of the double arrow 15.
  • the grinding element 9 is driven by a mechanical, hydraulic or pneumatic drive 16, e.g. a cylinder o. the like , driven.
  • a drive rod 17 acts directly on the grinding element 9, whereas the grinding element 9 is supported on the opposite side by a spring 18 (helical compression spring).
  • FIGS. 3a to 3d Different shapes of the grinding element 9 are shown in FIGS. 3a to 3d.
  • Figure 3a shows a grinding element 9 with a flat grinding surface, the grinding element 9 also oscillating in the direction of the double arrow 19, i.e. is movable in the direction of rotation (arrow 3) of the race 1 and counter to this direction of rotation.
  • FIG. 3b shows a grinding element 9 with an arc-shaped convex grinding surface
  • FIG. 3c shows a grinding element 9 with an arc-shaped concave grinding surface.
  • FIG. 3d shows a grinding element 9 with a prismatic (V-shaped) grinding surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP98902999A 1997-01-16 1998-01-13 Dispositif de coupe par rotation d'un materiau en forme de bande Expired - Lifetime EP0952905B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29700627U DE29700627U1 (de) 1997-01-16 1997-01-16 Vorrichtung zum Rotationsschneiden von bahnförmigem Material
DE29700627U 1997-01-16
PCT/EP1998/000148 WO1998031517A1 (fr) 1997-01-16 1998-01-13 Dispositif de coupe par rotation d'un materiau en forme de bande

Publications (2)

Publication Number Publication Date
EP0952905A1 true EP0952905A1 (fr) 1999-11-03
EP0952905B1 EP0952905B1 (fr) 2001-12-05

Family

ID=8034597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98902999A Expired - Lifetime EP0952905B1 (fr) 1997-01-16 1998-01-13 Dispositif de coupe par rotation d'un materiau en forme de bande

Country Status (6)

Country Link
US (1) US20020031982A1 (fr)
EP (1) EP0952905B1 (fr)
AT (1) ATE210008T1 (fr)
CA (1) CA2268921A1 (fr)
DE (2) DE29700627U1 (fr)
WO (1) WO1998031517A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2042279A1 (fr) 2007-09-25 2009-04-01 S + C Märker GmbH Cage de laminoir de presse et procédé de découpage à rotation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1213643A (en) * 1967-02-28 1970-11-25 Lan Elec Ltd Improvements in and relating to food-slicing machines
DE2012361C2 (de) * 1970-03-16 1972-01-13 Hobema Maschinenfabrik Hermann H. Raths, 4000 Düsseldorf Kreismesserschneidemaschine
US4130042A (en) * 1977-07-25 1978-12-19 Avery International Corporation Adjustable anvil roll for die-cutting labels
JPS54156890U (fr) * 1978-04-24 1979-10-31
DE2912458A1 (de) * 1979-03-29 1980-10-09 Winkler Duennebier Kg Masch Rotationsstanze mit gegen die messerwalze abgestuetzter gegenwalze
FR2508378A1 (fr) * 1981-06-30 1982-12-31 Martin Sa Installation de decoupe rotative de flans
IT1156629B (it) * 1982-07-14 1987-02-04 Gd Spa Dispositivo di affilatura per lame rotanti
DE3924053A1 (de) * 1989-07-21 1991-01-24 Wilhelm Aichele Vorrichtung zum rotationsschneiden von werkstoffbahnen
DE9113562U1 (de) * 1991-10-31 1991-12-12 Johannes Menschner Maschinenfabrik Gmbh & Co Kg, 4060 Viersen Vorrichtung zum kontinuierlichen Tränken eines Schmierfilzes an schnellaufenden Scherzylindern von Schermaschinen für Gewebebahnen u.dgl. unterschiedlicher Breite
US5569060A (en) * 1993-05-27 1996-10-29 Hitachi, Ltd. On-line roll grinding apparatus
DE9414232U1 (de) * 1994-09-02 1994-11-03 Wabäma GmbH Spezialfabrik für Schneidemaschinen, 42781 Haan Brotschneidemaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9831517A1 *

Also Published As

Publication number Publication date
DE29700627U1 (de) 1997-09-18
WO1998031517A1 (fr) 1998-07-23
US20020031982A1 (en) 2002-03-14
CA2268921A1 (fr) 1998-07-23
EP0952905B1 (fr) 2001-12-05
DE59802322D1 (de) 2002-01-17
ATE210008T1 (de) 2001-12-15

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