EP0574670B1 - Verfahren und Vorrichtung zum Formen von Blechen zu Dosenzargen und Zuführen der Dosenzargen zu einer Schweissstation - Google Patents

Verfahren und Vorrichtung zum Formen von Blechen zu Dosenzargen und Zuführen der Dosenzargen zu einer Schweissstation Download PDF

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Publication number
EP0574670B1
EP0574670B1 EP93106344A EP93106344A EP0574670B1 EP 0574670 B1 EP0574670 B1 EP 0574670B1 EP 93106344 A EP93106344 A EP 93106344A EP 93106344 A EP93106344 A EP 93106344A EP 0574670 B1 EP0574670 B1 EP 0574670B1
Authority
EP
European Patent Office
Prior art keywords
rollers
shaping
section
conveying route
along
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
EP93106344A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0574670A1 (de
Inventor
Peter Gysi
Armin Ineichen
Gideon Dr. Levy
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.)
Elpatronic AG
Original Assignee
Elpatronic 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 Elpatronic AG filed Critical Elpatronic AG
Publication of EP0574670A1 publication Critical patent/EP0574670A1/de
Application granted granted Critical
Publication of EP0574670B1 publication Critical patent/EP0574670B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D51/00—Making hollow objects
    • 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
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2676—Cans or tins having longitudinal or helical seams

Definitions

  • the invention relates to a method for forming metal sheets into can bodies and feeding the can bodies to a welding station according to the preamble of claim 1. Furthermore, the invention relates to a device for carrying out the method according to the preamble of claim 3. (US-A-2864933)
  • US-A-2864933 shows forming individual sheets in a linear forming station. To transport the sheets, they are individually attached to a chain conveyor so that the high transport forces can be applied during the deformation in the tapered guides; this type of transport is not ideal for high cadences.
  • US-A-3204847 shows the linear shaping of a tube, from which frames are separated later.
  • the invention is therefore based on the object of shaping and conveying the individual sheets in such a way that the highest possible cycle speed can be achieved at the welding station.
  • the device for performing the method is characterized by the characterizing features of claim 3.
  • a can welding machine is shown schematically.
  • the machine has, in a known manner, an upper welding roller 15 and a lower welding roller 16 as well as a supplied welding wire 14 in order to weld the can seam of the can frame 11.
  • the welded can body 12 is removed for further processing.
  • the sheets are shaped into can bodies and fed to the welding station.
  • this feeding and shaping is now designed in such a way that the individual sheets 2-10 are shaped along the conveying path.
  • the sheets are initially on a stacking table 1.
  • the sheet stack is shown only by the top sheet 2 and the two bottom sheets 3, 4.
  • the bottom one Sheet is pulled off the stacking table and moved along the straight conveyor line to the welding station.
  • the sheet is gradually deformed into a can frame, as is shown with the sheets 5-10 in Figure 1.
  • Figure 2 shows schematically a side view of the conveyor line. Individual sheets are stacked by the destacker 1 and first fed to the pair of draw-off rollers 21. This is followed by profile roller pairs 22-31, which deform the respective sheet 5, 6, 7, 8 in regions along the conveyor line, so that a can frame results from the initially flat sheet along the conveyor line.
  • Figure 3 shows the same conveyor line in a plan view.
  • the conveyor belts 40, 41 and 42 can also be seen, which also serve to transport the frame.
  • the outer rollers under the sheet are shown; the inner rolls lying above the sheet are not shown in FIG. 3.
  • FIG. 4 shows a view of the pair of profile rollers 29 for a more detailed explanation of the shape of the can frame.
  • the outer roller arranged below the sheet and the inner roller arranged above the sheet each have a curved outer shoulder.
  • the associated outer shoulders of the two rolls each form the rounding zone in which the corresponding area of the sheet is deformed.
  • Figure 5 shows the individual stages of such a deformation of a flat sheet into a cylindrical can frame.
  • the stage 1 of the deformation shown in FIG. 5 corresponds to the deformation caused by the pair of rollers 22, the stage 2 of the deformation which is caused by the pair of rollers 23, etc.
  • the pair of rollers 29 shown in FIG. 4 effects the deformation corresponding to stage 8 of FIG. 5.
  • the rounding of the can frame takes place in sectors in ten stages, with each stage being rounded by 2 x 18 °.
  • a part of the conveyor section, which is used to calibrate the can frame, is connected to the sector circular section of the conveyor section formed by the profile roller pairs 22-31.
  • a forearm 50 is provided for calibration, which is attached to a holder 51 and onto which the frame is pushed.
  • pre-calibration rollers 52 and 53 initially act on the can body.
  • conveyor belts 43 are also provided in the calibration section.
  • the frame After the pre-calibration, the frame reaches a calibration ring which is provided with a plurality of calibration rollers 56.
  • FIGS. 2a and 2b each show the pre-calibration and the calibration in a vertical sectional view. After calibration, the can frame is inserted into the welding station known per se. Since this is known, it is not further explained here.
  • FIG. 7 shows the formation of a non-round can frame, with thirteen forming steps taking place.
  • Figure 6a shows the inner rollers 60, 61 and the outer roller 72 during the molding step from stage 1 to stage 2 of Figure 7.
  • Figure 6b shows the rollers for the molding step from stage 5 to stage 6.
  • Figure 6c accordingly shows the molding step with the Rolls 67, 68 from stage 9 to stage 10 and
  • FIG. 6d shows the last shaping step from stage 12 to stage 13.
  • 70 to 74 denote conveyor belts for the transport of the frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Making Paper Articles (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Arc Welding In General (AREA)
EP93106344A 1992-06-18 1993-04-20 Verfahren und Vorrichtung zum Formen von Blechen zu Dosenzargen und Zuführen der Dosenzargen zu einer Schweissstation Expired - Lifetime EP0574670B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1925/92 1992-06-18
CH192592 1992-06-18

Publications (2)

Publication Number Publication Date
EP0574670A1 EP0574670A1 (de) 1993-12-22
EP0574670B1 true EP0574670B1 (de) 1996-12-11

Family

ID=4221805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93106344A Expired - Lifetime EP0574670B1 (de) 1992-06-18 1993-04-20 Verfahren und Vorrichtung zum Formen von Blechen zu Dosenzargen und Zuführen der Dosenzargen zu einer Schweissstation

Country Status (12)

Country Link
US (1) US5366137A (es)
EP (1) EP0574670B1 (es)
JP (1) JPH084861B2 (es)
KR (1) KR100262423B1 (es)
CN (1) CN1051731C (es)
BR (1) BR9302416A (es)
CZ (1) CZ116993A3 (es)
DE (1) DE59304723D1 (es)
MX (1) MX9303626A (es)
PL (1) PL171888B1 (es)
SK (1) SK59093A3 (es)
TW (1) TW224434B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59510211D1 (de) * 1994-08-10 2002-06-27 Elpatronic Ag Bergdietikon Verfahren und Vorrichtung zum Runden von Blechstücken
US5682783A (en) * 1996-04-23 1997-11-04 Mill Masters, Inc. Ceramic tubemill roll assembly
ES2423938T3 (es) * 2008-05-14 2013-09-25 Soudronic Ag Método para el marcado de material de chapa y soldadura dependiente del marcado de cuerpos de recipiente de tal material de chapa
US20180001370A1 (en) 2014-05-28 2018-01-04 Taylor-Winfield Technologies, Inc. Barrel tank seam welder system
US10150176B2 (en) * 2014-05-28 2018-12-11 Taylor-Winfield Technologies, Inc. Barrel tank seam welder system
US20150343507A1 (en) * 2014-05-28 2015-12-03 Taylor-Winfield Technologies, Inc. Barrel tank seam welder system
CN106140951B (zh) * 2016-08-02 2018-11-30 泰山石膏股份有限公司 一种副龙骨成型工艺及采用的生产线设备
CN112547863B (zh) * 2020-10-28 2022-07-29 北京工业大学 一种o型搭接截面薄带钢成型装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946618C (de) * 1954-02-25 1956-08-02 Eisen & Stahlind Ag Vorrichtung zum Herstellen von Buechsenzargen
US2864933A (en) * 1957-02-19 1958-12-16 W F And John Barnes Company Apparatus for producing can bodies and welding side seams thereof
US3204847A (en) * 1962-07-09 1965-09-07 American Can Co Tube forming apparatus
CH519371A (de) * 1970-02-10 1972-02-29 Opprecht Paul Verfahren zum automatischen Herstellen von Dosenblechkörpern und Schweissmaschine zum Ausführen des Verfahrens
US3791020A (en) * 1971-09-07 1974-02-12 Torrance Machinery & Eng Inverted tube mill method
JPS5770028A (en) * 1980-10-20 1982-04-30 Mannesmann Ag Method and apparatus for manufacturing slit-pipe supplied to pipe welder
JPS5976690A (ja) * 1982-10-25 1984-05-01 Moriya Minamiura 缶胴の製造方法
US4905885A (en) * 1988-12-01 1990-03-06 Westport Development & Manufacturing Co., Inc. Method and apparatus for forming and welding thin-wall tubing

Also Published As

Publication number Publication date
US5366137A (en) 1994-11-22
EP0574670A1 (de) 1993-12-22
PL171888B1 (pl) 1997-06-30
DE59304723D1 (de) 1997-01-23
TW224434B (es) 1994-06-01
MX9303626A (es) 1994-01-31
JPH0647467A (ja) 1994-02-22
CZ116993A3 (en) 1994-04-13
JPH084861B2 (ja) 1996-01-24
KR940000175A (ko) 1994-01-03
CN1051731C (zh) 2000-04-26
CN1079682A (zh) 1993-12-22
SK59093A3 (en) 1994-01-12
KR100262423B1 (ko) 2000-08-01
PL299344A1 (en) 1993-12-27
BR9302416A (pt) 1994-01-11

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