EP1446248B1 - Verwendung einer vorrichtung zum aufweiten und formen von dosenrümpfen - Google Patents

Verwendung einer vorrichtung zum aufweiten und formen von dosenrümpfen Download PDF

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Publication number
EP1446248B1
EP1446248B1 EP02779199A EP02779199A EP1446248B1 EP 1446248 B1 EP1446248 B1 EP 1446248B1 EP 02779199 A EP02779199 A EP 02779199A EP 02779199 A EP02779199 A EP 02779199A EP 1446248 B1 EP1446248 B1 EP 1446248B1
Authority
EP
European Patent Office
Prior art keywords
pin
application
mandrel
shaping
diameter
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
EP02779199A
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German (de)
English (en)
French (fr)
Other versions
EP1446248A1 (de
Inventor
Norbert Lentz
Steffen RÖTZ
Jan Riemenschneider
Karl-Heinz Witt
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.)
Cantec & Co KG GmbH
Original Assignee
SIG Cantec GmbH and Co KG
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Publication date
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Application filed by SIG Cantec GmbH and Co KG filed Critical SIG Cantec GmbH and Co KG
Publication of EP1446248A1 publication Critical patent/EP1446248A1/de
Application granted granted Critical
Publication of EP1446248B1 publication Critical patent/EP1446248B1/de
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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
    • 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
    • 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
    • B21D51/2646—Of particular non cylindrical shape, e.g. conical, rectangular, polygonal, bulged
    • 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
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing

Definitions

  • the invention relates to a use of a device with two thorn-like forming tools that come from two sides in the openings of tubular hollow profiles are insertable.
  • An apparatus for reshaping the ends of a cylinder becomes for example, in JP-A-5337577.
  • the clamped cylindrical workpiece is from both end faces expanded by respective molds, these a high-speed microvibration are exposed.
  • DE-A-2110758 describes a process for the preparation a coupling sleeve made of a metal tube for the connection two pipes or a pipe with a fitting in which the Pipe is placed in a mold that is designed so that they have a middle section, two intermediate sections larger Diameter and two annular outer extensions to the defines opposite ends, and that molding tools in introduced the two opposite ends of the tube to widen this and push it sideways into the mold.
  • a device for expanding and forming can bodies as well as their use are described in DE 100 40 173 A1.
  • This device has a hard and bulky, off Steel or any other harder material
  • Shaping block of cylindrical cross-section along the most of its height corresponds to the inner diameter of the already expanded can body corresponding larger Diameter and at its upper part a conical Section has. Over this conical section is a arranged a short section of reduced diameter, the Inner diameter of the can body to be expanded corresponds.
  • the shaping block should be designed such that the under Pressure and adaptable attached to the can body to be expanded can or can absorb him.
  • the molding block may further at its lower end its tool for forming a flange in the form of a steel disc, which at its upper Side with an annular groove groove-shaped cross-section is provided by the lower end of the cylindrical Can body achieved during expansion and molding and can be engaged.
  • the counter tool will be after DE 100 40 173 A1 for forming a flange on the upper Part of a can used and also consists of one Steel disc, which at its lower, facing the forming block Side with an annular groove groove-shaped cross-section is provided and a small annular and projecting Section having the inner circumference of the groove surrounds.
  • the projecting section is by engaging adaptable to the upper end of the process of widening and Shaped to be subjected to can body.
  • the can body forms on the outer surface of the Forming block, wherein the can body diameter increased becomes and in a single processing step a so-called "Neck-in" is formed.
  • the mentioned grooves of the two Steel discs expand the respective Dosenzargenend vom slightly up.
  • the can body shape thus corresponds to the completed propulsion of the molding whose outer shell contour, that is, the can body is a minor one upper area, the neck-in area, cylindrical.
  • a suitable for this Tool consists of a variety of arranged in a circle Segments on the outside the desired shape profile wear. If you lead the tool into the welded Cylinder and one moves by means of a cone inside the Tool the mold segments radially outward, so far and they form the cylinder hull.
  • the disadvantage of this method is that the cylinder body becomes polygonal and that the cylinder core material is strongly stretched locally, the Sides shortening over the circumference is uneven and the Expansion can not be performed until the frame end, because then no sufficient precise flare more arises.
  • the memorizing of formations can also with the so-called Spin-flow Shapen be performed at which is a roll-push method that does not expand when but the diameter of the welding frame at the shaping point is reduced.
  • Spin-flow Shapen is a roll-push method that does not expand when but the diameter of the welding frame at the shaping point is reduced.
  • this method only with this method simple rotationally symmetric shapes are generated.
  • the finished frame, the can body, made with a diameter smaller or smaller equal to the smallest desired diameter of the finished part is.
  • the cross-sectional profiles of the two mandrel-like molds have at least at their end in some areas of the Can longitudinal axis smaller distance than that of the mandrel end further outlying corresponding subareas.
  • the thorn ends have a maximum Diameter smaller, equal or slightly larger than The diameter of the can body to be expanded is.
  • the Mandrel faces can either perpendicular to the mandrel axis, obliquely angled, wavy or otherwise arbitrarily shaped be arranged or formed to the mandrel longitudinal axis. The latter can also form constrictions on the can body, the obliquely angled, wavy or otherwise arbitrarily shaped lie to the Zargenlticiansachse.
  • the frame is reduced to the smallest diameter of the shape profile or slightly smaller and welded then by bilateral or in special cases one-sided insertion a mold to the final diameter outside brought the shape profile.
  • the design of the mandrel ends and the mandrel determines the shape profile and the shell geometry. If, depending on the desired Shapeform the respective end of the mandrel slightly larger or equal to the inside diameter of the welded frame, the can end should be in an upstream Forming step can be slightly butted, hence the mandrel can be automatically introduced.
  • Fig. 1 serve two mandrel-like molding tools 1 and 2, passing through an opening at a distance opposite scrapers 3 and 4 are feasible, as Moldings for the can body 5, the ends of which are slightly conical are bent so that the mandrel ends of the molds 1 and 2 can be easily introduced.
  • the open frame 5 is means not shown in the state of the Technique known manner between the scrapers 3 and 4 arranged and the tool longitudinal axis 6, the same Zargenlticiansachse is positioned. In that shown in Fig. 1 Condition are the thorn-like molds 1 and 2 in each upper or lower dead center.
  • the molds 1 and 2 moves toward each other, wherein they expand the can body 5 until shown in Fig. 3 Final state is reached.
  • the profile of the molds has changed shaped in a corresponding manner on the can body 5, the in its lower third has a throat-like constriction 9, the through the tapered profiles of the ends of the thorn-like Forming tools is determined.
  • the faces of the molds come in the final state shown in Fig. 3 to Face contact.
  • the Forming tools 1 and 2 are withdrawn, the shaped frame between the scrapers 3 and 4 remains and subsequently with transport means known from the prior art can be carried away.
  • transport means known from the prior art can be carried away.
  • FIGS. 6 and 7 both in the shaping area and in the jacket area or longitudinally profiled shapes according to FIG. 8 or cans according to FIG. 9 or combinations of the the aforementioned forms can be produced.
  • Fig. 5 shows a flared frame 10 with a shape as Protective bead 11, which can be formed by that of bottom introduced mold almost to the other end of the Zargenö réelle is guided and the thorn-like mold as Counter tool is designed correspondingly shorter. Also in In this case, the end faces that eventually come to rest the successive to moving mandrel-like molds aligned perpendicular to the longitudinal axis 6.
  • Fig. 6 is a flared frame 12 with an asymmetric Wavy decoration shape shown.
  • the constriction 13 is not orthogonal as the ring profile to the Longitudinal axis 6, but at an angle or it is wavy. This is achieved by using two mandrel-like molds be used with correspondingly formed mandrel ends, the end face in an obliquely angled or wavy to the longitudinal axis 6 lying plane or an oblique angle lying, possibly curved surface are arranged.
  • the molds according to the invention only widenings in the can body can be imprinted, so no undercuts, are the conically tapering spine ends according to the desired shape of the constriction and their location train.
  • the frame 14 shown in FIG. 7 is also asymmetrical formed and has two non-linear regions 15 and 16, in which it tapers to a smaller diameter, the in the intermediate region 17 through a particular through the mandrel end design is predetermined length measure constant.
  • the shape can be adapted in shape and position to the printed image be.
  • a rotationally symmetrical decoration shape and longitudinal profiles 19 through the mold outer shell be determined.
  • two thorn-like molds are used whose end faces within the can body in level 20 to the deformation end position come.
  • constriction 21 can also by appropriate Design of the introduced from below mold an enlarged diameter lower shoulder 22 created its the same or a different diameter the upper cylindrical shoulder 23 of the frame can be.
  • the can body 24 has an outer shell, which except for small upper and lower portions 25, 26 with a cylindrical shape each reaching to level 27, rejuvenating runs, that is, the outer edge of the can shell is broad concave.
  • FIG. 10 shows that two can bodies 5 according to FIG. 4 can also be stacked are; The same applies to the other can bodies.
  • the expanded frame is with appropriate Dornaus operation - Apart from molded longitudinal profiles - circular and not necessarily polygonal.
  • the elongation of the sheet is about the circumference evenly, creating a larger expansion at the same Sheet metal strain is possible. There are no significant height fluctuations on. The formability is up to the Zargenende possible.
  • the molds used are simple, robust and lightweight retrofit or replace existing installations if: changed shape shapes are desired.
  • Shape initiallyen can be varied arbitrarily, deformation limits being small, apart from the general ones Fitness of the sheet and the paint. As already mentioned, only undercut shapes can not be generated become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)
  • Extrusion Of Metal (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Stringed Musical Instruments (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Adornments (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Chemically Coating (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP02779199A 2001-11-16 2002-11-07 Verwendung einer vorrichtung zum aufweiten und formen von dosenrümpfen Expired - Lifetime EP1446248B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10156085 2001-11-16
DE10156085A DE10156085A1 (de) 2001-11-16 2001-11-16 Vorrichtung und Verfahren zum Aufweiten und Formen von Dosenrümpfen
PCT/DE2002/004117 WO2003045606A1 (de) 2001-11-16 2002-11-07 Vorrichtung und verfahren zum aufweiten und formen von dosenrümpfen

Publications (2)

Publication Number Publication Date
EP1446248A1 EP1446248A1 (de) 2004-08-18
EP1446248B1 true EP1446248B1 (de) 2005-12-14

Family

ID=7705820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02779199A Expired - Lifetime EP1446248B1 (de) 2001-11-16 2002-11-07 Verwendung einer vorrichtung zum aufweiten und formen von dosenrümpfen

Country Status (10)

Country Link
US (1) US20040011112A1 (pt)
EP (1) EP1446248B1 (pt)
JP (1) JP4567336B2 (pt)
KR (1) KR100971468B1 (pt)
AT (1) ATE312673T1 (pt)
AU (1) AU2002342556A1 (pt)
BR (1) BR0205838B1 (pt)
DE (2) DE10156085A1 (pt)
ES (1) ES2255627T3 (pt)
WO (1) WO2003045606A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7818987B2 (en) 2006-03-31 2010-10-26 Belvac Production Machinery, Inc. Method and apparatus for trimming a can
US7886894B2 (en) 2006-03-31 2011-02-15 Belvac Production Machinery, Inc. Method and apparatus for bottle recirculation
US7905130B2 (en) 2006-03-31 2011-03-15 Belvac Production Machinery, Inc. Apparatus for threading cans
US7963139B2 (en) 2006-03-31 2011-06-21 Belvac Production Machinery, Inc. Apparatus for can expansion
US7530445B2 (en) * 2006-03-31 2009-05-12 Belvac Production Machinery, Inc. Long stroke slide assemblies
US7726165B2 (en) 2006-05-16 2010-06-01 Alcoa Inc. Manufacturing process to produce a necked container
US7934410B2 (en) * 2006-06-26 2011-05-03 Alcoa Inc. Expanding die and method of shaping containers
WO2008058019A2 (en) * 2006-11-02 2008-05-15 Pakbaz R Sean Devices and methods for accessing and treating an aneurysm
JP2008289628A (ja) * 2007-05-24 2008-12-04 Ehime Univ 骨補填ブロックおよび骨補填ブロックを含む骨接合用キット
US8464567B2 (en) 2008-04-24 2013-06-18 Crown Packaging Technology, Inc. Distributed drives for a multi-stage can necking machine
US8245551B2 (en) 2008-04-24 2012-08-21 Crown Packaging Technology, Inc. Adjustable transfer assembly for container manufacturing process
US7770425B2 (en) 2008-04-24 2010-08-10 Crown, Packaging Technology, Inc. Container manufacturing process having front-end winder assembly
US7997111B2 (en) 2008-04-24 2011-08-16 Crown, Packaging Technology, Inc. Apparatus for rotating a container body
US8601843B2 (en) 2008-04-24 2013-12-10 Crown Packaging Technology, Inc. High speed necking configuration
US7784319B2 (en) 2008-04-24 2010-08-31 Crown, Packaging Technology, Inc Systems and methods for monitoring and controlling a can necking process
JP5498235B2 (ja) * 2010-04-21 2014-05-21 北海製罐株式会社 飲料用缶体
KR20180050415A (ko) 2010-08-20 2018-05-14 알코아 유에스에이 코포레이션 성형 금속 용기 및 그 제작 방법
MX355172B (es) * 2011-12-22 2018-04-09 Alcoa Usa Corp Método para expandir el diámetro de un envase de metal.
US9327338B2 (en) 2012-12-20 2016-05-03 Alcoa Inc. Knockout for use while necking a metal container, die system for necking a metal container and method of necking a metal container

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US1725592A (en) * 1928-07-02 1929-08-20 Gen Dry Batteries Inc Container for dry cells and method of forming same
US2281574A (en) * 1940-01-24 1942-05-05 Crown Cork & Seal Co Curling machine
US2741292A (en) * 1951-06-01 1956-04-10 Atlas Imp Diesel Engine Co Can body beader
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DE2110758A1 (de) * 1971-03-06 1972-09-21 Pilag Engineering Ltd Verfahren zur Herstellung einer Kupplungshuelse
US3741292A (en) * 1971-06-30 1973-06-26 Ibm Liquid encapsulated air cooled module
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DE3624444A1 (de) * 1986-07-19 1988-01-28 Niemsch Otto Lanico Maschbau Maschine zum beiderseitigen boerdeln und einziehen zylindrischer dosenruempfe
JPH0677782B2 (ja) * 1988-10-13 1994-10-05 明和金属工業株式会社 缶の成形装置
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Also Published As

Publication number Publication date
US20040011112A1 (en) 2004-01-22
BR0205838A (pt) 2003-10-28
DE50205306D1 (de) 2006-01-19
DE10156085A1 (de) 2003-05-28
BR0205838B1 (pt) 2010-08-10
EP1446248A1 (de) 2004-08-18
ATE312673T1 (de) 2005-12-15
ES2255627T3 (es) 2006-07-01
KR100971468B1 (ko) 2010-07-22
JP4567336B2 (ja) 2010-10-20
KR20040058090A (ko) 2004-07-03
WO2003045606A1 (de) 2003-06-05
AU2002342556A1 (en) 2003-06-10
JP2005510364A (ja) 2005-04-21

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