EP1872879B1 - Innenform-Werkzeug zum Biegen eines Blechs zu einem Rohr durch Rollen - Google Patents

Innenform-Werkzeug zum Biegen eines Blechs zu einem Rohr durch Rollen Download PDF

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Publication number
EP1872879B1
EP1872879B1 EP07011527A EP07011527A EP1872879B1 EP 1872879 B1 EP1872879 B1 EP 1872879B1 EP 07011527 A EP07011527 A EP 07011527A EP 07011527 A EP07011527 A EP 07011527A EP 1872879 B1 EP1872879 B1 EP 1872879B1
Authority
EP
European Patent Office
Prior art keywords
rollers
carrier element
specified
mould tool
inner mould
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.)
Active
Application number
EP07011527A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1872879A1 (de
Inventor
Bernhard Dr. Heimann
Johannes Kamps
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.)
SMS Group GmbH
Original Assignee
SMS Meer GmbH
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 SMS Meer GmbH filed Critical SMS Meer GmbH
Publication of EP1872879A1 publication Critical patent/EP1872879A1/de
Application granted granted Critical
Publication of EP1872879B1 publication Critical patent/EP1872879B1/de
Active 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
    • B21D5/12—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers

Definitions

  • the invention relates to an inner mold tool for forming a sheet to a tube, with at least two symmetrically pivotable about pivot axes arranged rollers which start at one side of the sheet for the purpose of reshaping same.
  • a flat sheet usually unwound from a coil, is used to form a tubular element which is welded in a final operation at the forming seam of the sides of the sheet or sheet metal strip.
  • the geometry of the shaped body to be produced depends on the final dimensions that are to be achieved, as well as on the material properties of the sheet, ie. H. on the tensile strength, the yield strength, but also on the thickness of the sheet.
  • rollers which are either fixed to a carrier element in a defined position or are arranged rigidly or in linearly adjustable carrier elements, for example from US Pat JP 56066323 A known.
  • it can only be reacted to the change in the geometric data of the pipe or molding to be formed with considerable effort.
  • the pivot point is namely chosen arbitrarily and is unrelated to the geometry to be formed, which can not be compensated by the contour of the roles.
  • the invention is therefore an object of the invention to provide an inner mold tool of the type mentioned, with which can be avoided the mentioned negative effects. It should therefore be ensured in particular that in an easier, faster and thus in an economical way optimal carrying the rollers can be ensured on their full width, even if the geometric relationships of the molding change.
  • the pivot axes are provided at the scene, in the center of the rollers themselves, can be done in an easy way adjustment or employment of the roles of exactly the shape geometry, since the roles for forming a specific sheet in the optimum position located.
  • the rollers can thus be pivoted so that they always rest with their full width on the plate. An edge support can be reliably prevented.
  • the two pivot axes are arranged symmetrically to a center plane of a common carrier element.
  • means for synchronizing the pivoting movements of the pivotally arranged in or on the carrier element rollers are provided. These means allow a mirror-image pivoting of the pivotally arranged in or on the carrier element rollers relative to the center plane of the support element.
  • the means be formed by toothed segments, one of which is fixedly connected to the roll holder of the rollers and which mesh with each other.
  • at least one movement element can be provided which acts between the carrier element and the roller holder in order to pivot the roller holder together with the roller about the pivot axis.
  • a preferred embodiment provides that only a single movement element is provided for this purpose.
  • a non-pivotable center roller may be arranged on the carrier element or on a further carrier element adjoining the carrier element.
  • the non-pivotable center roller may be arranged on the carrier element or on the further carrier element such that it lies in the center plane of the carrier element.
  • the middle role can continue to be arranged adjustable in a direction lying in the middle plane, for example in the vertical direction.
  • the adjustability can be achieved by a shim.
  • the adjusting element can preferably be designed as a screw-nut element: Alternatively, an eccentric or a rocker can be provided for adjusting and adjusting the center roller.
  • an inner mold tool can be achieved in a simple and economical manner that the position of the lateral rollers can be adapted to the desired geometrical conditions, so that there is an optimal start-up of the sheet to be formed for this. This makes it easy to react to a changed geometry of the molded body.
  • an inner mold tool 1 is shown, wherein only in Fig. 1 the reshaped sheet 2 is shown with.
  • the sheet 2 is reshaped in the direction R, ie from a first flat sheet, a tubular structure is produced, as it turns out Fig. 1 results.
  • the inner mold tool 1 on a support member 3 in the present case a total of three rollers 4, 5 and 6, namely the two side rollers 4, 5 and the center roller 6, are arranged. All three rollers 4, 5, 6 abut on one side 7 of the sheet 2. Not shown are on the other side of the sheet starting rollers, which are arranged on side roller beams in a known manner.
  • the two side rollers 4 and 5 are not rigidly arranged on the carrier element 3 - as is true for the center roller 6 - but they are pivotable about a respective pivot axis 8 and 9, said pivot axis 8, 9 directly in each side roller 4, the fifth is formed and has in the forming direction R.
  • Fig. 1 shows, the two side rollers 4, 5, which are each mounted in a roller holder 14 and 15, thereby pivoted symmetrically to a central plane 10 of the common support member 3.
  • means 11 for synchronizing the pivoting movements of the side rollers 4, 5 are present. These means 11 are in the embodiment according to a preferred embodiment of tooth segments 12 and 13, wherein each segment 12, 13 fixed to the respective roller holder 14, 15 is connected. The teeth of both tooth segments 12, 13 mesh with each other.
  • the means 11 for synchronization ensure a symmetrical position of the rollers 4, 5, which favors a stable forming process. In particular, twisting of the shaped body, that is to say the sheet 2 to be formed, is prevented.
  • a single movement element 16 is present, which may be formed, for example, as a screw-nut adjustment system.
  • the one end of the movement element 16 is arranged in a hinge point 20 on the carrier element 3.
  • the other end of the movement element 16 is also articulated at a hinge point 21 with one of the two roll holders, namely with the roll holder 14, connected.
  • the actuation of the movement member 16 results in a change in the distance between the hinge points 20 and 21 result, which causes the desired pivoting of the roller holder 14 and thus the side roller 4 about the pivot axis 8.
  • this pivotal movement is simultaneously transmitted to the other roller holder 15 and thus to the other side roller 5, so that both side rollers 4, 5 are pivoted symmetrically to the center plane 10.
  • the trained as a central role further role 6 is located in the center plane 10. It can be arranged directly on the carrier element 3 or also - as it is from the FIGS. 2 and 3 it can be seen - on a separate adjacent support member 17.
  • the support member 17 may be arranged by means of a vertical guide 22 on the carrier element 3, but be relatively displaceable relative to this.
  • the center roller 6 is adjustable in the vertical direction perpendicular to the forming direction R.
  • the setting is made in this direction by a correspondingly selected shim 18.
  • an adjusting element 19 is provided, which is designed as a screw-nut system and enables the adjustment of the central roller 6 in a simple manner.
  • the rollers can be easily and quickly adapted to a modified molding body geometry. It ensures a precise adjustment to the geometry requirements of the molding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
EP07011527A 2006-06-27 2007-06-13 Innenform-Werkzeug zum Biegen eines Blechs zu einem Rohr durch Rollen Active EP1872879B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006029491A DE102006029491B3 (de) 2006-06-27 2006-06-27 Innenform-Werkzeug zum Umformen eines Blechs zu einem Rohr

Publications (2)

Publication Number Publication Date
EP1872879A1 EP1872879A1 (de) 2008-01-02
EP1872879B1 true EP1872879B1 (de) 2010-08-11

Family

ID=38278864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07011527A Active EP1872879B1 (de) 2006-06-27 2007-06-13 Innenform-Werkzeug zum Biegen eines Blechs zu einem Rohr durch Rollen

Country Status (8)

Country Link
US (1) US8464569B2 (zh)
EP (1) EP1872879B1 (zh)
JP (1) JP4660508B2 (zh)
CN (1) CN101096036B (zh)
AT (1) ATE477067T1 (zh)
CA (1) CA2592798C (zh)
DE (2) DE102006029491B3 (zh)
ES (1) ES2349677T3 (zh)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472053A (en) 1967-02-10 1969-10-14 Yoder Co Tube mill
DE2053266B2 (de) * 1970-10-30 1973-04-26 Blohm + Voss Ag, 2000 Hamburg Vorrichtung zur schraubenlinienfoermigen verformung eines bandes zu einem rohr
CH541081A (de) * 1971-07-23 1973-08-31 Adeola Ag Einrichtung zum Umschalten eines hin- und hergehenden Antriebskolbens in einem pneumatischen Antriebsaggregat
JPS5839008B2 (ja) * 1979-11-01 1983-08-26 新日本製鐵株式会社 円筒管の製造法及び装置
JPS5924531A (ja) * 1982-07-30 1984-02-08 Kawasaki Steel Corp 電縫鋼管のエツジ成形方法
DE3683154D1 (de) * 1985-12-28 1992-02-06 Nakata Mfg Formrolle und deren verwendung in verfahren und vorrichtungen zum rohrwalzen.
DK0463039T3 (da) 1989-03-15 1994-11-07 Hu Metal Eng Pty Ltd Apparat til formning af et rør fra en metalblikplade
JPH0698402B2 (ja) * 1990-11-14 1994-12-07 川崎製鉄株式会社 溶接鋼管の帯板縁部成形ロール
JPH0441021A (ja) * 1990-06-06 1992-02-12 Sumitomo Metal Ind Ltd 溶接管の製造装置
AT397624B (de) * 1991-05-03 1994-05-25 N Proizv Ob Vni I Kt I Trubnoi Vorrichtung zum biegen von kanten
US5865053A (en) * 1996-02-20 1999-02-02 Abbey Etna Machine Company Transition beam forming section for tube mill
US6769164B2 (en) * 1999-12-23 2004-08-03 Glud & Marstrand A/S Method and an apparatus for can making
CN2719440Y (zh) * 2004-07-02 2005-08-24 鸿富锦精密工业（深圳）有限公司 金属板材弯折设备
CN1318157C (zh) * 2004-09-13 2007-05-30 张先荣 下辊中心距水平可调的三辊卷板机

Also Published As

Publication number Publication date
CA2592798A1 (en) 2007-12-27
DE102006029491B3 (de) 2008-04-03
US8464569B2 (en) 2013-06-18
JP2008006505A (ja) 2008-01-17
EP1872879A1 (de) 2008-01-02
US20080072645A1 (en) 2008-03-27
ATE477067T1 (de) 2010-08-15
CN101096036B (zh) 2012-09-05
CA2592798C (en) 2010-06-01
DE502007004694D1 (de) 2010-09-23
CN101096036A (zh) 2008-01-02
ES2349677T3 (es) 2011-01-10
JP4660508B2 (ja) 2011-03-30

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