EP0289749B1 - Vorrichtung zum Abwickeln einer Materialbahn von einer Rolle - Google Patents

Vorrichtung zum Abwickeln einer Materialbahn von einer Rolle Download PDF

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Publication number
EP0289749B1
EP0289749B1 EP88103997A EP88103997A EP0289749B1 EP 0289749 B1 EP0289749 B1 EP 0289749B1 EP 88103997 A EP88103997 A EP 88103997A EP 88103997 A EP88103997 A EP 88103997A EP 0289749 B1 EP0289749 B1 EP 0289749B1
Authority
EP
European Patent Office
Prior art keywords
roll
shaft
fastened
supporting arms
axis
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
EP88103997A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0289749A1 (de
Inventor
Karl Thievessen
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.)
Jagenberg AG
Original Assignee
Jagenberg 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 Jagenberg AG filed Critical Jagenberg AG
Priority to AT88103997T priority Critical patent/ATE82223T1/de
Publication of EP0289749A1 publication Critical patent/EP0289749A1/de
Application granted granted Critical
Publication of EP0289749B1 publication Critical patent/EP0289749B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements

Definitions

  • the invention relates to a device for unwinding a material web from a roll according to the preamble of patent claim 1.
  • Devices of this type are used in particular for unrolling paper webs in the paper processing industry.
  • the paper roll to be unwound is suspended between the support arms and raised for unwinding.
  • two clamping heads rotatably fastened to the support arms are inserted into the two lateral openings of the winding tube.
  • a new roll for changing rolls is fed on underfloor conveyors which convey the roll into the receiving area of the clamping heads, which can be moved apart and down to take up a roll. If there are several unwinds arranged one behind the other in the web running direction, it is advantageous for a quick roll change to feed the new rolls from the side, transversely to the web running direction. In the case of devices with support arms attached in side stands, space must be left between the unwinding stations, since the stands stand in the way of a side loading, and an additional conveying in the direction of web travel is required, which brings the roll into the receiving position of the clamping heads.
  • the supporting beams suspended in a frame in the device according to DE-U 85 11 986 can be swung up on the loading side for insertion of a new roll.
  • the support beams swivel into a vertical position to accommodate a new roll, then the roll is raised by shortening the support arms.
  • a disadvantage of this device is that all forces are transmitted by horizontal supports of the frame, which must therefore be made very difficult for reasons of stability.
  • the US-A 3,743,206 shows a generic device in which the support arms are each fastened in rotatable side shields. Since the swivel bearings of the support arms are located in the rotatable side shields and the support arms as a whole are moved up from the roll receiving position into the roll unwinding position, large torques act on the swivel axes, which have to be absorbed in a structurally complex manner. In addition, the side shields stand in the way of a side feed directly into the roll take-up position.
  • the invention has for its object to enable the lateral supply of a new roll in a generic device without additional positioning transversely to the roll axis, the torques acting on the pivot axes should be kept as low as possible.
  • the roll receiving devices can be moved at the ends of the support arms in a horizontal direction, so that the new roll does not have to be positioned transversely to its axis when changing rolls. Both a space-saving construction and a simplified construction are made possible because the support arms are supported on the ground when swung up.
  • the support arms can be set approximately vertically in the unwinding position and the torques acting on the swivel axes can be significantly reduced. In the event of a subsequent axial correction of the unwinding position, the elements which prevent the support arms from pivoting are thus subjected to considerably less stress.
  • Figure 1 shows a cross section through a movable device.
  • the support arms are swiveled 90 ° from the unwinding position for better visibility.
  • FIG. 2 shows a side view of a device according to FIG. 1 with the support arms pivoted up.
  • FIGS. 3-6 show the unwinding and taking up of a new roll in a device according to FIG. 1.
  • the device according to the invention described in Figures 1 and 2 is supported on two horizontal base plates 1, 2, which are arranged at a distance greater than the maximum roll width from each other, horizontally movable transversely to the axis of the roll 3 to be unwound, in Figure 2 from left to right and vice versa.
  • the shaft 8 has free-running rollers 10, 11 at both ends, with which it can be moved back and forth on the base plates 1, 2.
  • the bearings 12 of the shaft 8 in the rollers 10, 11 are also the pivot bearings for the pivoting movement of the support arms 4, 5.
  • the drive for this movement is located on one side (on the right in FIG. 1) on the base plate 2.
  • a piston-cylinder unit 13 which is fastened on the one hand to the base plate 2 and on the other hand to a mobile carriage.
  • the carriage is built up from two parallel side parts 14, 15, through which the shaft 8 is guided at one end parallel to the axis of the roller 3 and freely rotatable, so that the carriage is supported on the shaft 8.
  • the other end of the carriage is supported on a roller 16 which sits on a shaft 17 between the two side parts 14, 15 and runs between a guide rail 18 and the base plate 2.
  • an electric motor with a chain can also be used as the drive.
  • the device contains a synchronizing device.
  • This consists of a synchronous shaft 19 extending across the working width, which is rotatably mounted on the drive side in the side part 14 and on the other side in a connecting plate 20 suspended at the end of the shaft 8.
  • Pinions 21, 22 are fastened on both ends of the synchronous shaft 19 and each run in a toothed rack 23, 24 connected to the respective base plate 1, 2.
  • a wheel 25 is fastened, which runs in a guide rail 26 with a U-shaped cross section in order to ensure the engagement of the pinion 21 in the rack 23 at all times.
  • drive sticks or chains can also be used.
  • a pivot lever 27 is fastened on the shaft 8 in the area between the two side parts 14, 15 and secured against rotation by a feather key 28.
  • a spindle nut 29 is rotatably mounted in a fork about an axis parallel to the shaft 8.
  • a threaded spindle 30 is guided through the spindle nut 29 and is driven by a geared motor 31 which is rotatably fastened to the side parts 14, 15 above the roller 16.
  • the lever 27 With the geared motor 31, the lever 27 can thus be pivoted, as a result of which the shaft 8 is rotated and the support arms 4, 5 fastened on it are also pivoted.
  • a gear motor 31 instead of the spindle mechanism 29, 30 with a gear motor 31, it is also possible to use a hydraulic piston-cylinder unit.
  • the distance between the clamping heads 6, 7 from one another can be adjusted to accommodate a new roll 3 and to adapt to different roll widths.
  • a spindle nut 32, 33 is fastened in each support arm 4, 5, through which a threaded spindle 34, 35 leads parallel to the shaft 8 to the outside.
  • the threaded spindle 34 of the support arm 4 is mounted on the outside in a lever 36 fastened on the shaft 8, to which a geared motor 37 is fastened as a drive.
  • the threaded spindle 35 of the support arm 5 is mounted on the outside in the pivot lever 27 and is driven by a geared motor 38 fastened thereon.
  • the unwinding device in the unwinding position.
  • the paper roll 3 is clamped on its winding sleeve between the clamping heads 6, 7 and is held in the raised position by the support arms 4, 5 free running.
  • the axis of rotation of the roller 3 is not exactly vertically above the shaft 8, but in a horizontal position b, which is slightly offset in the direction of the swivel drive 31.
  • the shaft 8 In the unwinding position, the shaft 8 is at a minimal distance from an underfloor conveyor 39 extending transversely to the web.
  • the paper web 40 is pulled off from the roll 3 approximately horizontally in the direction of the arrow shown.
  • FIGS. 4-6 The loading with a new roll 3 is shown in Figures 4-6.
  • the device moves away from the underfloor conveyor 39 - to the right in FIGS. 4-6 and thus creates space for the feed of a new full roll 3 by the conveyor 39.
  • the axis of rotation of the clamping heads 6, 7 is located now in position c.
  • the new roller 3 is fed in the axial direction from the side opposite the lifting drive 29 - 31.
  • the threaded spindle 30 does not interfere, since it is arranged outside the working width on the drive side (FIG. 4).
  • the clamping heads 6, 7 are moved apart a distance larger than the roll width and the empty winding tube is removed. This can be done while the new roll 3 is being fed into the take-up position. Since the device is freely accessible on the side opposite the roll feed (right in FIG. 4), the empty winding tube can be removed on this side.
  • the underfloor conveyor 39 guides the roller only in one direction transverse to the web 40 into the receiving position. It is not necessary to transport the roll transversely to this direction.
  • clamping heads 6, 7 After the clamping heads 6, 7 have reached their position coaxially to the roll axis, they are moved into the winding tube by moving the support arms 4, 5 together and thus clamp the roll 3. Subsequently, the clamped roller 3 is raised into the vertical unwinding position by pivoting the support arms 4, 5 and brought into the horizontal unwinding position b by moving the device in the horizontal direction. The unwinding device with the roller clamped is then again in the position shown in FIG. 3.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Unwinding Webs (AREA)
  • Winding Of Webs (AREA)
  • Saccharide Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
EP88103997A 1987-05-08 1988-03-14 Vorrichtung zum Abwickeln einer Materialbahn von einer Rolle Expired - Lifetime EP0289749B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88103997T ATE82223T1 (de) 1987-05-08 1988-03-14 Vorrichtung zum abwickeln einer materialbahn von einer rolle.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873715475 DE3715475A1 (de) 1987-05-08 1987-05-08 Vorrichtung zum abwickeln einer materialbahn von einer rolle
DE3715475 1987-05-08

Publications (2)

Publication Number Publication Date
EP0289749A1 EP0289749A1 (de) 1988-11-09
EP0289749B1 true EP0289749B1 (de) 1992-11-11

Family

ID=6327154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88103997A Expired - Lifetime EP0289749B1 (de) 1987-05-08 1988-03-14 Vorrichtung zum Abwickeln einer Materialbahn von einer Rolle

Country Status (9)

Country Link
US (1) US4895314A (enrdf_load_stackoverflow)
EP (1) EP0289749B1 (enrdf_load_stackoverflow)
JP (1) JPS63295353A (enrdf_load_stackoverflow)
AT (1) ATE82223T1 (enrdf_load_stackoverflow)
AU (1) AU603660B2 (enrdf_load_stackoverflow)
CA (1) CA1318901C (enrdf_load_stackoverflow)
DE (2) DE3715475A1 (enrdf_load_stackoverflow)
ES (1) ES2036228T3 (enrdf_load_stackoverflow)
FI (1) FI882148A7 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2058253A2 (de) 2007-11-08 2009-05-13 E.C.H. WILL GmbH Abrollvorrichtung für Wickelrollen

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3906506A1 (de) * 1989-03-01 1990-09-13 Kampf Gmbh & Co Maschf Abrollwagen fuer bandfoermiges material
DE4101036A1 (de) * 1991-01-16 1992-07-23 Kampf Gmbh & Co Maschf Rolleneinhebevorrichtung fuer wickelrollen an rollenschneid- und wickelmaschinen
FR2693711A1 (fr) * 1992-07-25 1994-01-21 Ozcariz Basterra Laureano Machine pour la fixation de bobines.
US5748824A (en) * 1995-11-17 1998-05-05 Corning Incorporated Positive dispersion optical waveguide
DE19725223A1 (de) * 1997-06-14 1998-12-17 Rovema Gmbh Hüllstoffträger zum Aufnehmen einer Hülse und einer auf der Hülse aufgewickelten Hüllstoffbahn
DE19824695A1 (de) 1998-06-03 1999-12-09 Bhs Corr Masch & Anlagenbau Abroll-Vorrichtung
CA2340838A1 (en) * 2001-03-15 2002-09-15 Gerard Pin Apparatus for bagging material
SE526790C2 (sv) * 2004-03-17 2005-11-08 Stora Enso Ab Pappersmaskin innefattande en translationsanordning
JP4976524B2 (ja) * 2010-07-06 2012-07-18 株式会社東京機械製作所 巻取紙装着装置
US10577208B2 (en) * 2015-07-22 2020-03-03 Hewlett-Packard Development Company, L.P. Apparatuses for large format printers

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973914A (en) * 1956-02-16 1961-03-07 H G Weber And Company Inc Roll stand
US2991953A (en) * 1957-01-23 1961-07-11 Samuel M Langston Co Mill roll stand
US3057571A (en) * 1959-06-29 1962-10-09 Cameron Machine Co Web roll pick-up and supporting apparatus
US3097808A (en) * 1961-08-21 1963-07-16 Charles R Tidland Expansion chuck
US3175779A (en) * 1962-12-19 1965-03-30 Samuel M Langston Co Roll lift shaft mounting
US3276711A (en) * 1964-01-23 1966-10-04 Merrill D Martin Unwind stand for web rolls
US3321147A (en) * 1965-08-24 1967-05-23 Merrill D Martin Pick-up roll stand
FR2098606A5 (enrdf_load_stackoverflow) * 1970-07-16 1972-03-10 Riegger Paul
US3743198A (en) * 1971-10-13 1973-07-03 R Lucas Apparatus for handling rolls of strip material for unrolling thereof
FR2304556A1 (fr) * 1975-03-20 1976-10-15 Monomatic Sa Perfectionnements aux machines a derouler ou a enrouler
IT1083127B (it) * 1977-06-02 1985-05-21 Bugnone Aldo Gruppo finale di una macchina per trattamento di un nastro come ad esempio di una macchina da stampa
DE2951336A1 (de) * 1979-12-20 1981-07-02 E.C.H. Will (Gmbh & Co), 2000 Hamburg Vorrichtung zum abrollen von materialbahnen von wechselnden vorratsrollen
GB2106875B (en) * 1981-10-05 1985-06-26 Rengo Co Ltd Automatically mounting a web roll on a mill roll stand

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2058253A2 (de) 2007-11-08 2009-05-13 E.C.H. WILL GmbH Abrollvorrichtung für Wickelrollen
DE102007053588A1 (de) 2007-11-08 2009-05-20 E.C.H. Will Gmbh Abrollvorrichtung für Wickelrollen
US7905445B2 (en) 2007-11-08 2011-03-15 E.C.H. Will Gmbh Unwinding device for winding drum

Also Published As

Publication number Publication date
US4895314A (en) 1990-01-23
AU1560688A (en) 1988-11-10
FI882148A7 (fi) 1988-11-09
JPS63295353A (ja) 1988-12-01
DE3715475C2 (enrdf_load_stackoverflow) 1992-12-10
DE3715475A1 (de) 1988-12-22
FI882148A0 (fi) 1988-05-06
ES2036228T3 (es) 1993-05-16
AU603660B2 (en) 1990-11-22
ATE82223T1 (de) 1992-11-15
CA1318901C (en) 1993-06-08
DE3875787D1 (de) 1992-12-17
EP0289749A1 (de) 1988-11-09

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