EP2260955A1 - Vorrichtung und Verfahren zum Transportieren von Bandmaterial - Google Patents

Vorrichtung und Verfahren zum Transportieren von Bandmaterial Download PDF

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Publication number
EP2260955A1
EP2260955A1 EP10164843A EP10164843A EP2260955A1 EP 2260955 A1 EP2260955 A1 EP 2260955A1 EP 10164843 A EP10164843 A EP 10164843A EP 10164843 A EP10164843 A EP 10164843A EP 2260955 A1 EP2260955 A1 EP 2260955A1
Authority
EP
European Patent Office
Prior art keywords
plate
gas
foil
suckers
flow
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
EP10164843A
Other languages
English (en)
French (fr)
Other versions
EP2260955B1 (de
Inventor
Peter Derrick Smith
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
Publication of EP2260955A1 publication Critical patent/EP2260955A1/de
Application granted granted Critical
Publication of EP2260955B1 publication Critical patent/EP2260955B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • 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
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
    • 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
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3466—Feeding or guiding devices not specially adapted to a particular type of apparatus by using specific means
    • B21C47/3475—Fluid pressure or vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/40—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass

Definitions

  • the invention relates generally to industrial processes where thin sheet material needs to be transported without damage.
  • the invention is especially applicable in the field of aluminium foil and thin strip rolling mills and describes a new device capable of picking up and transporting foil in the range approximately 12 - 50 microns thickness.
  • the device can be combined with existing systems which pick up foil and strip of greater thickness to produce a new combination device which is able to pick up and transport foil and strip in the range approximately 12 - 300 microns.
  • the new device is suitable for use as part of the mill foil feeding system which enables foil or thin strip to be brought from the coil to the mill roll bite automatically.
  • Aluminium foil of the lower thickness range (down to 12 micron thickness) is extremely fragile and has almost no inherent stiffness. Picking up such a material automatically, and transporting over and through equipment, without damaging it is therefore challenging. Traditionally this has been done manually with a typical procedure being as follows:
  • a skilled operator can perform such a function, but the procedure involves the operator standing close to moving machinery and risks damage to the bridle or mill stand equipment if the pole is mis-handled. For personnel and equipment safety it is therefore desirable that the foil is lifted from the coil and carried to the mill bite automatically. Additionally, aluminium foil / strip of the higher thickness range (up to 300 micron thickness) is quite stiff which means that a different method has been required to feed up this material. Again a manual procedure has traditionally been followed which this time involves the operator supporting the front end of the strip underneath with the wooden pole whilst the strip is wound off the coil. The same safety and damage implications are present as for foil feeding. Therefore it is even more desirable to have one system which can automatically lift and carry foil or strip with a wide range of thicknesses.
  • apparatus for transporting sheet material comprises the features set out in claim 1 attached hereto.
  • the means for providing a pressure differential comprises a vacuum source and a nozzle arranged to extract air from a region above the plate.
  • the plate is arranged to form the base of the enclosure with the nozzle/vacuum source arranged to evacuate the enclosure.
  • the pressure differential is achieved by directing a flow of gas over the upper surface of the plate.
  • This is conveniently achieved using a source of pressurised gas and a nozzle arranged to direct the gas over the upper surface of the plate.
  • a flat jet compressed air nozzle is used.
  • the effectiveness of the flowing gas is preferably improved by arranging the plate to form the base of a conduit which bounds the flow of gas.
  • the effect of the flowing gas is further enhanced where by incorporating at the holes, a streamlined hood having a tapered, closed end arranged towards the flowing gas (at the upstream side of the hole) and an open end arranged at the downstream side.
  • Preferred embodiments of the invention further comprise means for directing a flow of gas from an edge of the plate in a direction substantially parallel to, and above, the plane of the plate.
  • a continuous flow of gas is directed over the upper surface of the plate and in a direction substantially parallel to, and above, the plane of the plate after the gas passes over said upper surface.
  • the holes on the grid are staggered.
  • the apparatus includes a number of plates, each having an associated plurality of holes and associated means for providing a pressure differential between the upper surface and lower surface of the plate.
  • Each plate may be attached to adjacent plates with the nozzles being in fluid communication.
  • the apparatus includes conventional suckers attached to a vacuum source for lifting sheet material. These may conveniently be arranged in sections which alternate with the plates of the invention.
  • the suckers are moveable by, for example, a linear actuator so that they may be raised above or below the level of the plates.
  • the invention is used for the transport of metal foil.
  • the new invention has a "suction grid" consisting of numerous small holes in a stiff plate. This replaces the conventional rubber suckers as the mechanism by which the foil is gripped.
  • the thin foil is flexible, the contrasting stiffness of the suction plate allows a good seal, and hence good grip to form between the foil and the head. Additionally, the small size of the suction holes prevents the foil from deflecting into the holes excessively which in turn prevents damage or holes forming through the foil.
  • the suction pressure through the grid holes is provided by the passage of a stream of high speed air over the upper surface of the holes.
  • the high speed air stream is provided by a flat slot type nozzle connected to a compressed air supply.
  • the suction pressure occurs due to the so called “Bernoulli effect" where moving air on the upper surface of the holes is at lower pressure than the still air below the grid or foil.
  • the suction effect can be enhanced by ensuring that the high speed air stream passes smoothly over the holes with no tendency to blow through them rather than produce suction. This can be done by using holes which have streamlined hoods over their leading edges (see figure 3 ).
  • a further benefit to smooth air flow and hence maintained air velocity is also achieved by arranging the holes in a staggered pattern.
  • suction pressure could be provided by a vacuum pump means, but this would not allow the following additional advantage over patent US4520645 to be realised.
  • Figure 1 shows a cross section of the pick up head gripping a piece of thin foil.
  • Figure 2 shows a plan view of a pick up head for narrow foils, or one section of a pick up head for wider foils.
  • the foil is picked up and held in the position shown on the pick up head by the following system:
  • a pressurised header 1 supplies compressed air to one or more flat jet nozzles 2.
  • a high velocity jet of air (indicated by the large arrows) passes out of the nozzle(s) and travels along a tunnel 6, created by top cover 3, grid 4, and side plates 5. As the jet of air passes along the tunnel 6, it lowers the pressure on the upper side of the holes 7, initially causing air (indicated by the small arrows) to be drawn in through the holes 7.
  • the number of each type of section and hence the width of the head is matched to the width of the foil and/or strip to be picked up.
  • such a head would have 3 usual modes of operation, depending on the thickness of the foil or strip to be picked up.
  • the suction grids 4 For thin foil in the range 12 to approximately 50 microns, only the suction grids 4 would be used, the suckers 18 would be retracted and their vacuum means turned off.
  • the suckers 18 For thin strip in the range 100 to 300 microns, the suckers 18 would be extended and the vacuum pump means turned on. Good grip would then be achieved between the suckers 18 and the relatively stiff strip. Therefore the air supply to the suction grids 4 can be turned off in this case. Between 50 and 100 microns thick there is an intermediate case where it is advantageous to have the suckers 18 extended and both the suckers 18 and the grids 4 in operation simultaneously.
  • Figure 6 shows an alternative design of pick up head where the suction grid and blowing action are separated.
  • the foil is picked up and held in the position shown on the pick up head by the following system:
  • a vacuum pump means (not illustrated) applies reduced pressure via header or pipe 20 to a sealed box 21.
  • the bottom of the box consists of a suction grid 22.
  • the vacuum pump means lowers the pressure on the upper side of the holes 23, initially causing air to be drawn in through the holes 23.
  • a pressurised header 24 supplies compressed air to one or more flat jet nozzles 25.
  • a high velocity jet of air passes out of the nozzle(s) 25 and travels over the top of the leading edge of the foil 27.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Moving Of Heads (AREA)
  • Cleaning In General (AREA)
  • Advancing Webs (AREA)
EP10164843A 2009-06-09 2010-06-03 Vorrichtung und Verfahren zum Transportieren von Bandmaterial Not-in-force EP2260955B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0909873A GB2470913B (en) 2009-06-09 2009-06-09 Foil pick up head

Publications (2)

Publication Number Publication Date
EP2260955A1 true EP2260955A1 (de) 2010-12-15
EP2260955B1 EP2260955B1 (de) 2012-01-18

Family

ID=40937095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10164843A Not-in-force EP2260955B1 (de) 2009-06-09 2010-06-03 Vorrichtung und Verfahren zum Transportieren von Bandmaterial

Country Status (6)

Country Link
EP (1) EP2260955B1 (de)
CN (1) CN101920274B (de)
AT (1) ATE541653T1 (de)
BR (1) BRPI1002128A8 (de)
ES (1) ES2383284T3 (de)
GB (1) GB2470913B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104229531B (zh) * 2013-06-09 2017-10-24 征图新视（江苏）科技有限公司 格栅吸风装置
JP6845137B2 (ja) * 2014-12-04 2021-03-17 ギーツ アーゲー ホイルウェブガイドとシートガイドを有する平坦なホイル印刷プレス
CN107539811A (zh) * 2016-06-29 2018-01-05 湖南工业大学 一种用于砂炮机的送纸装置
CN111532031B (zh) * 2020-05-22 2021-09-21 南京六合高新建设发展有限公司 一种热敏打印机
CN113401698B (zh) * 2021-06-18 2022-08-16 成都新图新材料股份有限公司 一种废弃卷材收卷机

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2534622A1 (de) * 1975-08-02 1977-02-10 Achenbach Buschhuetten Gmbh Foerdervorrichtung zum einfuehren von bandmaterial in bandbearbeitungsmaschinen
JPS561216A (en) 1979-06-15 1981-01-08 Kobe Steel Ltd Passing method for aluminum foil
US4520645A (en) 1982-01-26 1985-06-04 Davy Mckee (Poole) Limited Feeding thin foil-like material into a gap between a pair of rotatable rolls
GB2185927A (en) 1986-01-09 1987-08-05 Achenbach Buschhuetten Gmbh Conveying apparatus for introducing strip material into strip processing machines
JPH0788554A (ja) * 1993-09-24 1995-04-04 Ishikawajima Harima Heavy Ind Co Ltd ストリップ巻取機のサイドガイド設備
JPH1099916A (ja) * 1996-09-27 1998-04-21 Kawasaki Steel Corp 連続熱間圧延の巻取り設備およびこれによる巻取り方法
WO2004073902A2 (de) * 2003-02-06 2004-09-02 Sms Demag Ag Vorrichtung zum überleiten oder einfädeln von bandanfängen
EP1518615A2 (de) 2003-09-25 2005-03-30 ACHENBACH BUSCHHÜTTEN GmbH Vorrichtung zum Einführen von Bandmaterial und Besäumen der Bandkanten für Bandbearbeitungsmaschinen, insbesondere Feinband- und Folienwalzwerke

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD243015A1 (de) * 1985-11-28 1987-02-18 Halbleiterwerk Veb Transportvorrichtung
DE3637567A1 (de) * 1986-11-04 1988-05-05 Trumpf Gmbh & Co Saugvorrichtung an einer oder fuer eine bearbeitungsmaschine
JPH0561216A (ja) * 1990-11-28 1993-03-12 Ricoh Co Ltd 電子写真感光体
JP3372009B2 (ja) * 1995-04-28 2003-01-27 花王株式会社 肉の改質剤及びこれで処理した食用肉または肉製品
CN2892771Y (zh) * 2005-12-29 2007-04-25 袁建中 排气吸盘
JP2009000804A (ja) * 2007-05-22 2009-01-08 Nidec-Read Corp 吸着テーブル
CN201423544Y (zh) * 2009-05-07 2010-03-17 杭州正驰达精密机械有限公司 装夹薄件零件的真空吸附夹具

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2534622A1 (de) * 1975-08-02 1977-02-10 Achenbach Buschhuetten Gmbh Foerdervorrichtung zum einfuehren von bandmaterial in bandbearbeitungsmaschinen
JPS561216A (en) 1979-06-15 1981-01-08 Kobe Steel Ltd Passing method for aluminum foil
US4520645A (en) 1982-01-26 1985-06-04 Davy Mckee (Poole) Limited Feeding thin foil-like material into a gap between a pair of rotatable rolls
GB2185927A (en) 1986-01-09 1987-08-05 Achenbach Buschhuetten Gmbh Conveying apparatus for introducing strip material into strip processing machines
JPH0788554A (ja) * 1993-09-24 1995-04-04 Ishikawajima Harima Heavy Ind Co Ltd ストリップ巻取機のサイドガイド設備
JPH1099916A (ja) * 1996-09-27 1998-04-21 Kawasaki Steel Corp 連続熱間圧延の巻取り設備およびこれによる巻取り方法
WO2004073902A2 (de) * 2003-02-06 2004-09-02 Sms Demag Ag Vorrichtung zum überleiten oder einfädeln von bandanfängen
EP1518615A2 (de) 2003-09-25 2005-03-30 ACHENBACH BUSCHHÜTTEN GmbH Vorrichtung zum Einführen von Bandmaterial und Besäumen der Bandkanten für Bandbearbeitungsmaschinen, insbesondere Feinband- und Folienwalzwerke

Also Published As

Publication number Publication date
CN101920274B (zh) 2015-12-02
GB2470913B (en) 2011-05-25
CN101920274A (zh) 2010-12-22
EP2260955B1 (de) 2012-01-18
GB2470913A (en) 2010-12-15
ES2383284T3 (es) 2012-06-20
GB0909873D0 (en) 2009-07-22
ATE541653T1 (de) 2012-02-15
BRPI1002128A8 (pt) 2015-11-10
BRPI1002128A2 (pt) 2011-07-05

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