EP2134481A1 - Glättwalze mit doppelgelenk - Google Patents

Glättwalze mit doppelgelenk

Info

Publication number
EP2134481A1
EP2134481A1 EP08734611A EP08734611A EP2134481A1 EP 2134481 A1 EP2134481 A1 EP 2134481A1 EP 08734611 A EP08734611 A EP 08734611A EP 08734611 A EP08734611 A EP 08734611A EP 2134481 A1 EP2134481 A1 EP 2134481A1
Authority
EP
European Patent Office
Prior art keywords
roll
coiling
pivot point
strip
tucking
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
EP08734611A
Other languages
English (en)
French (fr)
Other versions
EP2134481B1 (de
Inventor
Trevor Shaun Annels
Paul Ronald Osborne
David George Small
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.)
Primetals Asset Management UK Ltd
Original Assignee
Siemens VAI Metals Technologies Ltd
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 Siemens VAI Metals Technologies Ltd filed Critical Siemens VAI Metals Technologies Ltd
Priority to PL08734611T priority Critical patent/PL2134481T3/pl
Priority to EP08734611A priority patent/EP2134481B1/de
Priority to SI200830086T priority patent/SI2134481T1/sl
Publication of EP2134481A1 publication Critical patent/EP2134481A1/de
Application granted granted Critical
Publication of EP2134481B1 publication Critical patent/EP2134481B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • B21C47/06—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum
    • B21C47/063—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum with pressure rollers only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/43—Rider roll construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the present invention relates to a method and an apparatus for coiling strip-shaped material, preferably a metal foil.
  • the distance between the tangent point and the contact point of the ironing roll with the coil has to be maintained within a certain range throughout coiling.
  • optimal speed, yield and productivity manifested for example by the number of coils rolled in a certain time, of the coiling apparatus can be achieved.
  • optimized ironing permits improved performance of downstream processing, since coils with a poor build up and low density are more susceptible to damage and therefore require more careful handling, and reduction of processing speeds on downstream equipment, for example a Doubling machine, may be necessary to avoid problems when processing the strip and prevent interlap slippage or scratches.
  • Shape variations across a metal strip after rolling are generally measured and controlled by air bearing shape meters which comprise a shape meter roll and a tucking roll, a downward force on the shape meter roll within a certain range being necessary for accurate measurement. Downward force varies with tension applied to the strip by the coiling apparatus, and consequently with the desired strip thickness. Hence, for a given shape meter roll the downward force may be outside the shape meter roll's operating limits for certain strip thicknesses.
  • US5957404 employs a pivoted lever of adjustable length which is especially guided to make the ironing roll follow a path that keeps it within optimal distance to the tangent point's path. Since the guidance of the ironing roll's path is only suited to one tangent point path, it cannot provide equal ironing performances for different wrap angles, thereby limiting the range of strip thicknesses effectively and securely processable and the coil diameters achievable.
  • GB2238527 discloses a strip reel apparatus with constant strip path in which the optimal distance between contact point and tangent point is dynamically controlled throughout coiling by adjusting the pivoted lever's length and/or the position of its pivot point.
  • Such dynamical distance control requires complicated devices for surveillance and regulation of the coil's diameter, tangent point position, contact point position, pivot point position and length of pivoted lever, which render the apparatus complex to handle.
  • Stiffness of the ironing roll's levers is essential to dampen the development of vibrations of the pivoted lever during coiling. Such vibrations are detrimental because they reduce the effectiveness of the ironing process and can contribute to the premature failure of components of the roll, such as the bearings.
  • levers of adjustable length For pivoted levers of adjustable length the levers' stiffness is generally inferior to levers of constant length.
  • changing the length - and thereby the stiffness of a lever - also directly affects the force applied at the end of the lever and in order to deliver a constant force any change in length and stiffness needs to be compensated for.
  • an apparatus for coiling a strip-shaped material, preferably a metal foil, to a coil with a horizontal coiler unit for receiving a coiling-spool on which the strip-shaped material is wound during coiling, with at least one ironing roll for pressing the strip-shaped material on the coil, which ironing roll is carried by at least one pivoted lever of constant length that is pivotable about the swivel axis of an adjustable pivot point, and with a deflection roller device for monitoring the strip-shaped material's shape which comprises a shape meter roll and, situated downstream of the shape meter roll between the coiling-spool and the shape meter roll, a tucking roll.
  • That apparatus is characterized in that the tucking roll is at least vertically adjustable and fixable in at least two tucking roll positions, and the adjustable pivot point is fixable in at least two pivot point positions, which are positioned in such a way that for each tucking roll position there exists a pivot point position in which, throughout coiling, the distance between the ironing roll's contact point with the coil and the strip-shaped material's tangent point onto the coil is maintained at the optimum working distance within a tolerance of ⁇ 5 mm.
  • Optimum working distances are between 25 and 150 mm, preferably between 50 and 100 mm, including the boundary values of said ranges.
  • the strip-shaped material to be coiled may consist of any metal material, for example aluminum or steel or an alloy.
  • the strip-shaped material is a foil.
  • the pivoted lever is pivoted by an actuation means engaging the pivoted lever.
  • Any kind of actuation means may be used, for example hydraulic actuators or pneumatic actuators.
  • the actuation means is a hydraulic actuator.
  • the axes of rotation of the shape meter roll and of the tucking roll are parallel to the axis of rotation of the coiling-spool.
  • the at least two pivot point positions are located downstream of the tucking roll, the swivel axis of the pivot point in its lowest position being located lower than the lowest point of the tucking roll in its lowest position, and the swivel axis of the pivot point in its highest position being located lower than the lowest point of the tucking roll in its highest position, and for all pivot point positions the swivel axis of the pivot point being located lower than the level of the highest point of the coiling-spool.
  • upstream and downstream refer to the direction of movement of the strip- shaped material during coiling.
  • the tucking roll positions and the swivel axes of the pivot point positions are located above the level of the coiling-spool's longitudinal axis.
  • the adjustable pivot point is mounted on a secondary pivoting arm.
  • the secondary pivoting arm is movable about a fulcrum and can be fixed in at least two positions.
  • the secondary pivoting arm is moved by a secondary actuation means engaging the secondary pivoting arm.
  • any kind of actuation means may be used, for example hydraulic actuators or pneumatic actuators.
  • the secondary actuation means is a hydraulic actuator.
  • the at least two positions of the secondary pivoting arm are defined by fixed stops.
  • the secondary pivoting arm is fixed in a desired position by forcing it against the appropriately positioned fixed stop by means of the secondary actuation means, in an advantageous embodiment the locations of these fixed stops are adjustable. Thereby different positions can be chosen for the secondary pivoting arm.
  • the object of the invention is further solved by a method for coiling a strip-shaped material, preferably a metal foil, to a coil by means of a horizontal coiler unit for receiving a coiling-spool on which the strip-shaped material is wound during coiling, the strip material being pressed on the coil by an ironing roll during coiling, and the position of the ironing roll being adjusted during coiling by pivoting the at least one pivoted lever of constant length carrying the ironing roll about the swivel axis of its pivot point, and the strip material being led prior to coiling through a deflection roller device comprising a shape meter roll and, situated downstream of the shape meter roll between the coiling- spool and the shape meter roll, a tucking roll, characterized in that - the position of the tucking roll of the deflection roller device is adjusted at least vertically before coiling starts and remains fixed throughout coiling, and - the pivot point of the pivoted lever, which remains fixed throughout coiling, is adjusted before coiling starts, in dependency
  • Pivoting the pivoted lever is effected by an actuation means engaging the pivoted lever.
  • the tucking roll's position is adjusted such that the downward force on the shape meter roll is within its operating limits throughout coiling.
  • Each change of the position of the tucking roll causes a dependent change of the position of the pivot point.
  • the path of the ironing roll's contact point is also changed, since a change in the pivot point's position affects the path of the ironing roll's contact point during coil build-up.
  • the choice of the pivot point's position is dependent on the tucking roll position.
  • the dependency is such that the pivot point position chosen has to determine a contact point path which ensures an optimal distance between the ironing roll's contact point and the strip-shaped material's tangent point throughout coiling. That distance has to be at the optimum working distance within a tolerance of ⁇ 5 mm.
  • the pivot point of the at least one pivoted lever is adjusted in such a way that the lowest point of the tucking roll is situated higher than the swivel axis of the pivot point and lower than the level of the highest point of the coiling-spool.
  • the tucking roll and the swivel axis of the pivot point of the at least one pivoted lever are adjusted in such a way that they are situated above the level of the coiling- spool's longitudinal axis.
  • an optimal set of wrap angles is accessible and optimal contact point paths can be provided for each tucking roll position.
  • the adjustment of the pivot point of the at least one pivoted lever is effected by movement of a secondary pivoting arm.
  • Pivoting the secondary pivoting arm is effected by a secondary actuation means engaging the secondary pivoting arm.
  • the movement of the secondary pivoting arm is swiveling about a fulcrum between at least two fixed stops.
  • the pivot point of the pivoted lever is fixed by forcing the secondary pivoting arm against a fixed stop.
  • FIG. 1 depicts an embodiment of the apparatus of the present invention in low wrap angle position in a lateral view
  • Fig. 2 depicts an embodiment of the apparatus of the present invention in high wrap angle position in a lateral view
  • Fig. 3a and Fig. 3b depict how the pivoted lever's pivot point is positioned by lateral views of the secondary pivoting arm.
  • the strip 1 is fed to the coiling apparatus from the right.
  • the strip- shaped material being metal foil, it may be delivered from a rolling process.
  • the strip 2 On its way to the coiling-spool 1 the strip 2 is led through a dual wrap angle deflection roller device comprising a shape meter roll 3 and a tucking roll 4, the shape meter roll 3 being situated upstream of the tucking roll 4.
  • the strip 2 is led over the shape meter roll 3, its arc of strip coverage on the shape meter roll 3 being low wrap angle a ⁇ .
  • the arc of strip coverage of the shape meter roll 3 a is the angle between the plane of the incoming strip 2 and the plane of the strip 2 after it has left the shape meter roll 3.
  • the wrap angle is determined by the position of the tucking roll 4.
  • the tucking roll 4 is in its so called low wrap angle position. After leaving the tucking roll 4 the strip reaches the coiling- spool 1 which is fastened on a driven coiler unit 5, whose drive mechanism is not shown.
  • the axes of rotation of the shape meter roll 3 and of the tucking roll 4 are parallel to the axis of rotation of the coiler unit 5 and to the axis of rotation of the coiling-spool 1 respectively.
  • Figure 1 shows the strip path in the moment when coiling starts 6a and the strip path in a moment during coiling 6b when the coil 7 is built up.
  • the strip enters the coiling-spool 1 in tangent point 8a, when strip path 6b is followed, the strip enters the coil 7 in tangent point 8b.
  • Tangent point path 9 shows the tangent points passed through during coiling.
  • An ironing roll 10 is carried by a pivoted lever 11 of constant length, which is pivotable about a pivot point in its high position 12a.
  • the swivel axis of the pivot point in its high position 12a is situated lower than the lowest point of the tucking roil in its low wrap angle position, which is the highest tucking roll position achievable in the dual wrap angle device of Figure 1.
  • the pivot point's high position 12a is the highest position achievable for the pivot point in the coiling apparatus of Figure 1.
  • the actuation means for pivoting the pivoted lever is not shown.
  • Figure 1 shows two positions of the pivoted lever 11 and the ironing roll 10 which correspond to the different strip paths 6a, 6b shown, in the moment when coiling starts and in a moment during coiling when the coil 7 is built up to a certain o
  • Figure 2 shows the apparatus of Figure 1 in which the position of the dual wrap angle deflection roller device's tucking roll 4 has been changed to high wrap angle position by vertical downward displacement of the tucking roll 4.
  • the arc of strip coverage on the shape meter roll 3 is high wrap angle ⁇ 2 .
  • the pivoted lever 11 is pivotable about the pivot point in its low position 12b. Therefore, the contact point when coiling starts 6a and when the coil is built up 6b as well as the contact point path 14 are different from Figure 1.
  • the swivel axis of the pivot point in its low position 12b is situated lower than the lowest point of the tucking roll in its high wrap angle position, which is the lowest tucking roll position achievable in the dual wrap angle device of Figure 2.
  • the pivot point's low position 12b is the lowest position achievable for the pivot point in the coiling apparatus of Figure 2.
  • Figure 1 and Figure 2 depict the same coiling apparatus in two different wrap angle positions and pivot point positions.
  • Figurei and Figure 2 depict the relative positions of the pivot point's high position 12a and the pivot point's low position 12b both are shown in Figurei and Figure 2.
  • both pivot point positions 12a and 12b, and thereby their swivel axes are located below the level of the highest point of the coiling- spool 1 and above the level of the coiling spool's longitudinal axis 19.
  • Figure 3a and Figure 3b show how the pivoted lever's 11 pivot point is positioned.
  • a secondary pivoting arm 15 is movable about a fulcrum 16 by a hydraulic actuator 17.
  • the pivot point of the pivoted lever 11 is mounted on the secondary pivoting arm 15.
  • the secondary pivoting arm 15 is fixed in an upper position by being forced against a fixed stop 18a.
  • Figure 3b the secondary pivoting arm 15 is fixed in a low position by y

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Paper (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Winding Of Webs (AREA)
EP08734611A 2007-04-05 2008-03-14 Glättwalze mit doppelgelenk Not-in-force EP2134481B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL08734611T PL2134481T3 (pl) 2007-04-05 2008-03-14 Walec prasujący z dwiema osiami obrotu
EP08734611A EP2134481B1 (de) 2007-04-05 2008-03-14 Glättwalze mit doppelgelenk
SI200830086T SI2134481T1 (sl) 2007-04-05 2008-03-14 Gladilni valj z dvema tečajema

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07251504A EP1977839A1 (de) 2007-04-05 2007-04-05 Glättwalze mit Doppelgelenk
EP08734611A EP2134481B1 (de) 2007-04-05 2008-03-14 Glättwalze mit doppelgelenk
PCT/EP2008/002054 WO2008122342A1 (en) 2007-04-05 2008-03-14 Dual pivot ironing roll

Publications (2)

Publication Number Publication Date
EP2134481A1 true EP2134481A1 (de) 2009-12-23
EP2134481B1 EP2134481B1 (de) 2010-08-18

Family

ID=39339923

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07251504A Withdrawn EP1977839A1 (de) 2007-04-05 2007-04-05 Glättwalze mit Doppelgelenk
EP08734611A Not-in-force EP2134481B1 (de) 2007-04-05 2008-03-14 Glättwalze mit doppelgelenk

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07251504A Withdrawn EP1977839A1 (de) 2007-04-05 2007-04-05 Glättwalze mit Doppelgelenk

Country Status (9)

Country Link
EP (2) EP1977839A1 (de)
CN (1) CN101652199B (de)
AT (1) ATE477861T1 (de)
DE (1) DE602008002235D1 (de)
ES (1) ES2350158T3 (de)
HR (1) HRP20100618T1 (de)
PL (1) PL2134481T3 (de)
SI (1) SI2134481T1 (de)
WO (1) WO2008122342A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102069106A (zh) * 2010-12-10 2011-05-25 西南铝业（集团）有限责任公司 一种铝带材卷取机
CN109761092B (zh) * 2018-12-31 2024-01-09 天津市旭辉恒远塑料包装股份有限公司 展平机构
CN117140936A (zh) * 2023-10-27 2023-12-01 西安峰见智能电子有限公司 一种生物降解塑料生产用吹膜机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939561C1 (de) * 1989-11-30 1991-03-14 Achenbach Buschhuetten Gmbh, 5910 Kreuztal, De
US5275345A (en) * 1989-11-30 1994-01-04 Werner Stahl Strip coiler
JP2594372B2 (ja) * 1990-04-05 1997-03-26 昭和アルミニウム株式会社 エアーベアリング式形状検出ロールを備えた圧延箔形状検出装置
JP3289510B2 (ja) * 1994-09-12 2002-06-10 井関農機株式会社 トラクタの自動旋回制御装置
US5957404A (en) * 1998-04-20 1999-09-28 Kvaerner Metals Ironing roll with cam for following coil/strip tangent point
ES2234292T3 (es) * 1999-09-22 2005-06-16 Jfe Steel Corporation Procedimiento y dispositivo de enrollamiento de cintas de metal.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008122342A1 *

Also Published As

Publication number Publication date
DE602008002235D1 (de) 2010-09-30
EP1977839A1 (de) 2008-10-08
PL2134481T3 (pl) 2011-03-31
WO2008122342A1 (en) 2008-10-16
ES2350158T3 (es) 2011-01-19
EP2134481B1 (de) 2010-08-18
ATE477861T1 (de) 2010-09-15
CN101652199A (zh) 2010-02-17
SI2134481T1 (sl) 2010-12-31
CN101652199B (zh) 2011-10-05
HRP20100618T1 (hr) 2010-12-31

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