EP0192572A2 - Schneidvorrichtung zur Herstellung von Einschnitten in den Rändern von zusammengefügten Bändern - Google Patents

Schneidvorrichtung zur Herstellung von Einschnitten in den Rändern von zusammengefügten Bändern Download PDF

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Publication number
EP0192572A2
EP0192572A2 EP86400338A EP86400338A EP0192572A2 EP 0192572 A2 EP0192572 A2 EP 0192572A2 EP 86400338 A EP86400338 A EP 86400338A EP 86400338 A EP86400338 A EP 86400338A EP 0192572 A2 EP0192572 A2 EP 0192572A2
Authority
EP
European Patent Office
Prior art keywords
drums
edge
cooperating
along
longitudinal edge
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.)
Withdrawn
Application number
EP86400338A
Other languages
English (en)
French (fr)
Other versions
EP0192572A3 (de
Inventor
Richard Frank Wilson
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.)
Wean United Inc
Original Assignee
Wean United Inc
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 Wean United Inc filed Critical Wean United Inc
Publication of EP0192572A2 publication Critical patent/EP0192572A2/de
Publication of EP0192572A3 publication Critical patent/EP0192572A3/de
Withdrawn legal-status Critical Current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
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/14—Forming notches in marginal portion of work by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0085—Joining ends of material to continuous strip, bar or sheet
    • 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
    • Y10T83/4653—With means to initiate intermittent tool action
    • Y10T83/4656—Tool moved in response to work-sensing means
    • Y10T83/4676—With work-responsive means to initiate flying movement of tool
    • Y10T83/4682—With means controlling flying speed dependent on work speed
    • 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
    • Y10T83/4705—Plural separately mounted flying cutters
    • 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
    • Y10T83/4801—With undulant cutting edge [e.g., "pinking" tool]
    • 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
    • Y10T83/4836—With radial overlap of the cutting members

Definitions

  • the present invention relates to a notching device and its method of use in a continuous processing chain, a pickling chain or a cold rolling mill for the rolling of metal strips. More particularly, it relates to a rotary notching device used for uniformly and continuously cutting an element along opposite longitudinal edges of a strip, in the vicinity of a welded joint existing between two joined strips.
  • tapping of two strips assembled at their welded joint during movement in a continuous processing chain is a usual practice and is implemented so as to achieve 1? finishing the edges of the welded area in order to eliminate or reduce the risk of rough parts catching and damaging the equipment that the strip subsequently crosses and also in order to eliminate salient angles when it is necessary to weld strips of different widths.
  • notching device such a device “fins” notching consisting of two edge notching units, spaced transversely from each other and between which the strip circulates.
  • Each tapping unit is placed at a distance from the strip when the latter is circulating in the chain, and for the tapping operation, the strip is completely stopped and the tapping units are brought towards each other towards the longitudinal edges of the strip.
  • Each notching unit carries a head actuated by a jack and carrying a punching mechanism which performs a cutout of predetermined configuration at the welded joint.
  • the notching units of these conventional devices are moved towards the edges of the strip.
  • the strip is stopped when the welded joint of the assembled strip moves parallel to the two notching.
  • the head carrying the punch is brought vertically close to the horizontal surface of the strip for the notching process, after which each unit is moved away from the strip to allow the further movement of the strip in the chain.
  • an object of the present invention is to provide an apparatus and a method for cutting an area along a longitudinal edge of a product in movement, without interrupting its movement, the notch being produced on the fly in the product, which leads to increased production in the chain.
  • Another object of the present invention is to provide an apparatus used in a continuous processing chain for metal strips arranged downstream of a welding device, with a view to reducing the total welding time for two strips and the duration of notching. necessary with current tapping devices, which requires a cheaper accumulation and storage installation, in particular in the case of the use of an arc welder.
  • an object of the present invention is to provide a device for rotary notching of strips in a continuous strip processing chain, making it possible to accelerate the strip in the chain after the welding of two assembled strips by making, in the joint welded approaching the rotary notching device, the cutting of a continuous and regular curve along the longitudinal edges of the joint, these should not have been welded before.
  • Another object of the present invention is to provide an apparatus for shearing and eliminating a predetermined part along at least a first longitudinal edge of a moving metallic material, comprising drum-shaped means located along this first longitudinal edge and comprising at least two rotary drums distant from one another and cooperating with each other and each of which has an axis of rotation and between which said edge of said material circulates, means for supporting, in console, said drums transversely by relative to said material so that their axes are aligned with each other in a vertical plane, and to maintain said drums in a shear and non-shear position with respect to said material, said drums having curved and planar faces cooperating respectively between them, means in the form of curved knives mounted on said curved faces of said drums and made and age ncés so as to achieve a predetermined cutting edge having a slope between the beginning and the end of the cut, achieving a continuous curved shape of desired length and depth, means for driving in synchronous rotation said means in the form of drums with respect to said moving material and
  • the notching device of the present invention has a particular application in a continuous strip processing line, such as for example an electropalvanization chain or a rolling mill used to cold roll a metal strip, such as for example steel or aluminum, having a thickness between 1.5 mm and 6.5 mm, and in which the strip generally moves by being placed flat horizontally.
  • a continuous strip processing line such as for example an electropalvanization chain or a rolling mill used to cold roll a metal strip, such as for example steel or aluminum, having a thickness between 1.5 mm and 6.5 mm, and in which the strip generally moves by being placed flat horizontally.
  • the current type rotary notching device as well as that according to the present invention is located directly downstream of a welder and upstream of an accumulation or storage pit and operates according to a time relationship with respect to the welder after two strips, respectively of identical or different widths, have been welded together.
  • the welder can be one of several well known types, such as a flash welder or a shear arc welder.
  • the notching device 10 is mounted on a base 12 disposed on the floor or the floor of the factory, transversely to the longitudinal dimension of the strip 14. It comprises two casings facing each other 16 and 18, which are mounted on the base 12 on tracks 19, on which they are moved by means of hydraulic cylinders 21 to the left and to the right of FIG. 1, like this is indicated by the double arrow marked on each housing 16 and 18.
  • Two upper and lower drum holder heads 20, spaced from one another, are supported in cantilever and rotatably mounted in the casing 16 by means of shaft ends 22, and similarly two drum-holder heads 24 distant from each other are supported in overhang with possibility of rotation, on ends of shafts 26 in the casing 18.
  • the associated heads of each pair 20, 24, are arranged relative to each other so as to allow the strip 14 to flow between them in a horizontal flat position.
  • an arrow indicates on the strip 14, the direction of movement of the latter and, as shown in FIGS. 1 to 3, the heads cooperating with each other of each pair 20, 24, are positioned across the width of the strip 14 and are associated with opposite longitudinal edges of this strip.
  • the heads of a couple 20 cooperating with each other as well as the heads 24, are driven by a gear system 28 on which we will briefly give a little more detail.
  • Each head drum 20, 24 is essentially cylindrical and, as shown in particular in FIG. 3, has a flat face 30 and a curved face 32, on which is mounted a blade or a curved knife 34 intended for cooperate with the drum, which is associated with it, to carry out along the latter a cut in the form of a notch.
  • FIGS. 1 to 3 show the curvature of the curved knife 34, and the curved configuration of the notched area along the longitudinal edges of the strip is shown only in FIG. 2.
  • the curvature of the curved blade 34 has a uniform and continuous inclination from a peripheral edge 35 of an inner face 36 of the cylindrical or curved surface 32 of each head 20, 24, over about 270 degrees to another peripheral edge 38 along the same inner face 36 of the heads 20, 24 drum holder, which face 36 of each head is turned towards the median axis of the strip 14. It will be noted that the length and the shape of the cut part can be modified so as to adapt to a number of different desired conditions, by modifying the length and the knife curve.
  • the heads 20, 24, which cooperate with each other, of each pair of cooperating heads are rotatably mounted and are driven in synchronism by means of a backlash-free gear system 28 by means of a DC motor assembly 40 .
  • the heads 20 and 24 are oriented so that the flat surfaces 30 of the drums are arranged directly in the vicinity of the upper and lower planar faces of the strip 14
  • the strip 14 is kept apart from the heads 20, 24 drum holder by a control device 42, so as to be able to move freely between the heads 20 and 24 without striking them.
  • the end of weld signal delivered by the welder 44 is transmitted via line 46 to the control device 42, as well as the speed of the strip 14, transmitted via the line 48, which speed is controlled by a pair of pinch rollers, one of which is shown at 50 in FIG. 2.
  • the operation of the DC motor assembly 40 is controlled via a line 52 and the joint as it is formed by welding (figure 2) the strip 14 approaches the assembly forming a rotary notching device 10, each head 20, 24 of a pair being driven in rotation in synchronism with the speed of the strip 14 in movement, in a direction opposite to that of the door head - drum, which is associated therewith, to bring its curved surface 32 into a position adjacent to the surface of the strip, so that the curved knives 34 come into contact with the upper and lower faces of the strip 14.
  • a punctual cutting action begins from an extreme edge 53 progressing inward towards the center line of the strip, in an area extending at the level of the welded joint 54 (FIG. 2 ), where the joined strips may not have been welded, to the welded area and back again towards an extreme edge 55 of the strip, opposite the point where the cutting action started.
  • a continuous and extended uniform curve is formed in the strip 14 as shown in 56 and 58 in FIG. 2, without any sharp edge or any rough edge in the vicinity of the welded joint, and the length of the cut 56, 58 made using the knife from edge 53 to edge 55 is equal to a maximum of about 3 mm.
  • the depth of the internal cutout 56, 58 in the direction of the center line of the strip is determined by the transverse positioning of the heads 20 and 24 on the base 12 in accordance with the width of the strip 14, and this positioning can be preset by depending on the width of the strip (s), when they are unwound in the chain or the rolling mill. Since the peripheral speed of the knives will always be synchronized with the strip, it is possible to use the entire length and therefore the entire depth of the knives or only part of this depth, only the lower part, as it is visible in Figure 2, being used in this case.
  • the adjustment of the heads depends on the strip having the maximum width and the heads 20 and 24 being positioned relative to the strip so as to always obtain a cut according to a uniform curve and continues along the welded joint or to the welded section of the joint formed by a shear arc welder, without any rough edge, as shown in FIG. 2.
  • the difference in width for assembled strips 14 is between 0 and 5.6 mm, for obtaining optimum efficiency of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Shearing Machines (AREA)
EP86400338A 1985-02-20 1986-02-18 Schneidvorrichtung zur Herstellung von Einschnitten in den Rändern von zusammengefügten Bändern Withdrawn EP0192572A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US703580 1985-02-20
US06/703,580 US4597521A (en) 1985-02-20 1985-02-20 Rotary notcher for a joined metallic strip

Publications (2)

Publication Number Publication Date
EP0192572A2 true EP0192572A2 (de) 1986-08-27
EP0192572A3 EP0192572A3 (de) 1989-03-08

Family

ID=24825951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86400338A Withdrawn EP0192572A3 (de) 1985-02-20 1986-02-18 Schneidvorrichtung zur Herstellung von Einschnitten in den Rändern von zusammengefügten Bändern

Country Status (3)

Country Link
US (1) US4597521A (de)
EP (1) EP0192572A3 (de)
CA (1) CA1253790A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819021A (en) * 1987-12-10 1989-04-04 Xerox Corporation Copier on-line variable tab cutter
US5259496A (en) * 1991-02-19 1993-11-09 Dayton Reliable Tool & Mfg. Co. Belt for conversion press
US5560236A (en) * 1993-10-07 1996-10-01 Kawasaki Steel Corporation Method of rolling and cutting endless hot-rolled steel strip
FR2756504B1 (fr) * 1996-11-29 1999-05-07 Kvaerner Clecim Machine automatique de raccordement transversal de bandes metalliques
NL1007582C2 (nl) * 1997-11-19 1999-05-20 Hoogovens Corporate Services B Werkwijze voor de vervaardiging van een metalen band en inrichting voor het verminderen van het gevaar voor bandbreuk in zo'n band.
US20020157511A1 (en) * 2000-04-26 2002-10-31 Linenberger Randolph M. Method and apparatus to prepare trim cap material for bending
JP4749617B2 (ja) * 2001-07-23 2011-08-17 三菱電機株式会社 ストリップ接続装置
US7037054B2 (en) * 2002-02-20 2006-05-02 Park Hong-Soon Apparatus for forming groove used in cutting blade
US6935260B2 (en) * 2003-10-15 2005-08-30 Irvin Automotive Products, Inc. Notched seam design for interior trim upholstery pieces
US10537969B2 (en) * 2008-11-04 2020-01-21 Seoul Laser Dieboard System Co., Ltd. Device with multiple units for processing strips of material
CN103878180B (zh) * 2012-12-21 2016-03-02 鞍钢股份有限公司 一种连退线出侧剪剪切后停留位置的调整方法
CN105710434A (zh) * 2014-12-01 2016-06-29 鞍钢股份有限公司 一种避免出口剪下剪刃阻挡带钢的方法
JP6164315B1 (ja) * 2016-02-17 2017-07-19 Ｊｆｅスチール株式会社 鋼帯のノッチング設備、鋼帯のノッチング方法、冷間圧延設備および冷間圧延方法
TWI625188B (zh) * 2016-05-09 2018-06-01 中國鋼鐵股份有限公司 開凹機及其控制方法
JP6930678B1 (ja) * 2019-11-25 2021-09-01 Ｊｆｅスチール株式会社 鋼帯のノッチング方法、冷間圧延方法および冷延鋼帯の製造方法
CN112008431B (zh) * 2020-07-21 2021-07-30 重庆工程职业技术学院 一种切槽模块及其消防风筒生产流水线

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244527B (de) * 1959-06-10 1967-07-13 Demag Ag Rotationsschere fuer Walzgut
US3570356A (en) * 1968-04-29 1971-03-16 Wean Ind Inc Strip notching apparatus
GB1508200A (en) * 1975-11-11 1978-04-19 Timsons Ltd Punching apparatus
US4450740A (en) * 1980-10-20 1984-05-29 Westvaco Corporation Rotary envelope cutting apparatus
DE3120406A1 (de) * 1981-05-22 1983-01-13 Gebr. Irle KG, Maschinenfabrik, 5900 Siegen Schere zur entnahme einer blechprobe aus einem vom coil abgewickelten blechband
US4442742A (en) * 1981-12-29 1984-04-17 Box Innards, Inc. Rotary apparatus for forming sheets with rounded corners

Also Published As

Publication number Publication date
US4597521A (en) 1986-07-01
EP0192572A3 (de) 1989-03-08
CA1253790A (en) 1989-05-09

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