EP0819483B1 - Machine for flanging container bodies - Google Patents

Machine for flanging container bodies Download PDF

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Publication number
EP0819483B1
EP0819483B1 EP97104815A EP97104815A EP0819483B1 EP 0819483 B1 EP0819483 B1 EP 0819483B1 EP 97104815 A EP97104815 A EP 97104815A EP 97104815 A EP97104815 A EP 97104815A EP 0819483 B1 EP0819483 B1 EP 0819483B1
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EP
European Patent Office
Prior art keywords
axis
flanging
tool part
tool
shaft
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
EP97104815A
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German (de)
French (fr)
Other versions
EP0819483A2 (en
EP0819483A3 (en
Inventor
Nobert Dr.-Ing. Lentz
Karl-Heinz Dipl.-Ing. Witt
Steffen Dr.-Ing. Rötz
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.)
SIG CANTEC GMBH & CO. KG;SIG PLASTICS GMBH & CO. K
Original Assignee
Krupp Kunststofftechnik GmbH
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Publication of EP0819483A2 publication Critical patent/EP0819483A2/en
Publication of EP0819483A3 publication Critical patent/EP0819483A3/en
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Publication of EP0819483B1 publication Critical patent/EP0819483B1/en
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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
    • B21D51/2615—Edge treatment of cans or tins
    • B21D51/263—Flanging
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
    • 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
    • B21D51/2615—Edge treatment of cans or tins

Definitions

  • the invention relates to a device for flanging at least one edge a can body, a can frame or a can body with at least a flaring tool, consisting of an inner tool part with a flare contour and an outer tool part with an inner limiting contour for the edge to be flanged, with the inner part of the tool on a shaft rotating about an axis is arranged, and from a coaxial counter tool arranged to the flanging tool.
  • edging crimping in English: the flanging
  • roll flanging in English: spin flanging
  • the roll flanging is e.g. B. from US-PS 5 121 621 known.
  • the device is a receptacle attached to a rotating shaft provided with a plurality of rolls profiled for flanging, against which a can is driven with its edge, the flanging contour is given by the outer surface lines of the flanging rollers.
  • the cylindrical one is used to limit the edge of the can body to be flanged Provided inner surface of a fixed housing.
  • DE 195 01 002 describes a device for flanging and Teasing (referred to as "wedging" there), in which two are conventional Upsetting tool corresponding one-piece flaring and / or Neck tools can be rotated around an axis and along this axis between a withdrawn, non-operational and operational position are movable.
  • the axes of rotation and movement are the Flaring and / or necking tools opposed to the axis of the flaring tool and / or teasing can arranged inclined.
  • the device requires complex adjustment of the tools, because their axes are from the axis of the can body and thus the main axis deviates from the device.
  • the can for the forming process be rotatably supported.
  • the invention has for its object a device of the aforementioned Type given by US Pat. No. 5,121,621 to design such that with relatively simple constructive means a qualitatively flawless Flare is achievable.
  • the inner tool part on a shaft journal arranged on the shaft rotatable about the axis rotatably mounted inside the outer tool part (flare sleeve) is, the longitudinal axis of the shaft journal relative to the axis by one Is inclined and intersects the axis at a point that in an imaginary Level through the flanging surface of the inner tool part is that Tool outer part formed separately and on a non-rotatable sleeve-shaped Quill is held around the shaft and that the tool inner part on a rotation about the axis by a positive connection with the - in relation on the axis - non-rotatable outer part is prevented.
  • a machine 1 for flanging cylindrical can bodies C has one machine column 3 fastened vertically on a machine foundation 2, on which a machine or turret 4 is rotatable about its central axis 5 is stored.
  • the machine head 4 has an area of medium height - issued evenly on the circumference - a variety of quill guides or - Bores 6 in which sleeves quill 7 are mounted in such a way are that they can be moved in the direction of the axis 5 relative to the machine head 4 are led.
  • the movement is when the machine head 4 around the Column 3 is rotated by a control roller 8 arranged on the quill 7 causes that in engagement with a arranged around the axis 5, on the column 3rd attached stroke or control curve 9 is.
  • a turning of the sleeve 7 about its own axis 13 within the sleeve guide 6 is by a wedge or a spring 10 attached to the quill 7 prevents the or those attached to the associated quill guide 6 Guide groove 11 slides.
  • a shaft 12 is rotatable coaxially to the axis 13 of the Quill 7 stored. In the direction of the axis 13, the shaft 12 is opposite to the Pinole 7 fixed. At its upper end, the quill 7 carries a crimp sleeve 14 with an inner surface 15.
  • a flange or collar 16 is arranged on which a shaft journal 17 is connected to the free end.
  • the federal government 16 points a - related to the axis 13 - cylindrical outer surface and on its underside a perpendicular contact or stop surface 18.
  • the longitudinal axis 19 of the shaft journal 17 is one compared to the axis 13 Angle ⁇ inclined.
  • On the shaft journal 17 is an inner crimping tool 20 rotatably mounted, the one facing away from the shaft 12 Side a conical threading surface 21, a guide and holding surface 22 and has a flanging surface 23.
  • the flanging surface 23 runs to the free circumference of the crimping tool 20 substantially perpendicular to the longitudinal axis 19 of the flaring tool.
  • the flanging tool 20 can be rotated via a bearing, but is axially fixed on Shaft journal 17 mounted so that the longitudinal axis of the crimping tool 20 corresponds to the axis 19 of the shaft journal 17.
  • the flanging tool 20 is located with Play within the inner surface 15 of the crimp sleeve 14. So that Inner crimping tool 20 cannot rotate relative to the crimping sleeve 14 a in the crimp sleeve 14 pin 24 is provided, which in one in the outer peripheral surface 25 of the crimping tool 20 incorporated Longitudinal groove 26 engages.
  • the crimp sleeve 14 thus serves not only to accommodate the Flaring tool 20 but also to limit the flanging process, and the inner surface 15 simultaneously represents a boundary surface the entire flanging tool 27 consists of the flanging tool 20 and the flare sleeve 14 as an outer flare tool.
  • the sleeve 7 leads with the crimp sleeve 14 with respect to the machine head 4 no rotation.
  • the quill 7 is introduced by the control curve 9 in the direction of the Can frame C moved upwards and with such force against the edge same pressed that this is crimped.
  • the shaft 12 is rotated like this for a cover gumming machine, for example in the U.S. Patent 5,376,174.
  • the position changes, for example, from the left to the front, to the right, to the rear, etc.
  • This causes the crimping tool 20 a corresponding wobble movement also to the left, to the front, to the back right, backwards, etc.
  • the flanging tool 20 with the flanging surface 23 with wobbling the smallest possible gap is present on the inner surface 15 of the crimp sleeve 14 the outer peripheral surface 25 of the crimping tool 20, from the crimping surface 23 starting, conical, the cone angle the half angle ⁇ between axes 13 and 19 corresponds.
  • each flanging tool 27 in alignment with the axis 13 of the shaft 12 a corresponding counter tool on how it is for a device for flaring and teasing a can body is disclosed, for example, in US Pat. No. 4,070,888 (cf. FIG. 1, reference numeral 250).
  • both edges of the can frame of a so-called three-part can Flanging machine in line with the axis 13 above (generally: opposite) the Tool 27 on another corresponding tool 27 ', the Axis 13 'of the quill 7' and the shaft 12 'coaxially aligned with the shaft 13.
  • the quill 7 ' can either be in height (generally: in the axial direction) fixed or - like the quill 7 - adjustable in height by means of a control cam be stored so that the flanging tools 27, 27 'for processing can enter the can frame from both sides at the same time.
  • the position of the shafts 12, 12 ' is set up such that theirs anyway coaxially arranged axes 13 and 13 'and the axes 19, 19' of the oblique arranged shaft journals 17 and 17 'are each in one plane, so that the points of contact of the flanging surfaces 23 and 23 'are opposite each other lie.
  • the basic shape of the crimping tools 20, 20 'and the inner surfaces 15, 15' of the crimping sleeves 14, 14 ' can also be non-circular, as seen in the top view.
  • Reference list Device for flaring can bodies Krupp Kunsstofftechnik GmbH, Essen, DE (96079PODE) 1 Machine for flanging cyl.
  • Can frames 2nd Machine foundation 3rd Machine column, column 4th Machine head, turret head 5 Central axis, axis (4) 6 Quill guide, bore 7, 7 ' sleeve-shaped quill 8th Steering role 9 Stroke curve, control curve 10th Wedge, feather 11 Guide groove 12, 12 ' wave 13, 13 ' Axis (7, 12; 7 '12') 14, 14 ' Crimp sleeve 15.15 ' Inner surface (14, 14 ') 16 Collar, flange 17, 17 ' Shaft journal 18th [lower] contact surface (16) 19, 19 ' Central axis (17, 17 ') 20, 20 ' Flaring tool 21 Threading surface, centering surface (20) 22 Guide, holding surface (20) 23, 23 ' Flanging surface (20, 20 ') 24th pen 25th outer peripheral surface (20) 26 Lägsnut in 25 27, 27 ' complete flaring tool ( 14 + 20 or 14 '+ 20') C.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Prostheses (AREA)
  • Gripping On Spindles (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
  • Tyre Moulding (AREA)
  • Details Of Garments (AREA)
  • Turning (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Telephone Function (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Harvester Elements (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Drilling And Boring (AREA)

Abstract

The device has a flanging tool (27) with inner and outer tool parts. The inner tool part (20) is positioned turnable on a shaft journal (17), which is fastened to a rotating shaft (12) and is located inside the outer tool part (14). The central axis (19) of the journal is inclined through an angle ( alpha ) relative to the rotary axis (13) of the shaft, and cuts across the axis at a point (S), positioned in an imaginary plane through the flange surface (23). The outer tool part is separately formed, and is fastened to a non-turnable centre sleeve (7) around the shaft. The inner tool part is positively connected to the outer part, to prevent its turning about the shaft axis.

Description

Die Erfindung betrifft eine Vorrichtung zum Bördeln mindestens eines Randes eines Dosenkörpers, einer Dosenzarge bzw. eines Dosenrumpfes mit mindestens einem Bördelwerkzeug, bestehend aus einem Werkzeuginnenteil mit einer Bördelkontur und einem Werkzeugaußenteil mit einer inneren Begrenzungskontur für den zu bördelnden Rand, wobei das Werkzeuginnenteil an einer um eine Achse rotierenden Welle angeordnet ist, und aus einem koaxial zum Bördelwerkzeug angeordneten Gegenwerkzeug.The invention relates to a device for flanging at least one edge a can body, a can frame or a can body with at least a flaring tool, consisting of an inner tool part with a flare contour and an outer tool part with an inner limiting contour for the edge to be flanged, with the inner part of the tool on a shaft rotating about an axis is arranged, and from a coaxial counter tool arranged to the flanging tool.

Zum Bördeln des Randes einer Dose ist das sog. Stauchbördeln (im Englischen: die flanging) und das sog. Rollbördeln (im Englischen: spin flanging) bekannt. Beim Stauchbördeln wird mindestens ein als Stempel ausgebildetes, nicht drehendes Bördelwerkzeug gegen den Rand bzw. gegen jeden Rand eines Dosenkörpers gedrückt.To crimp the edge of a can is so-called edging crimping (in English: the flanging) and the so-called roll flanging (in English: spin flanging) known. During edging, at least one stamped, non-rotating flaring tool against the edge or against each edge of a can body pressed.

Das Rollbördeln ist z. B. aus der US-PS 5 121 621 bekannt. Bei der dort offenbarten Vorrichtung ist eine an einer umlaufenden Welle befestigte Aufnahme mit einer Vielzahl von zum Bördeln profilierten Rollen vorgesehen, gegen die eine Dose mit ihrem Rand gefahren wird, wobei die Bördelkontur durch die jeweils außenliegenden Mantellinien der Bördelrollen gegeben ist. Zur Begrenzung des zu bördelnden Randes des Dosenkörpers ist die zylindrische Innenfläche eines feststehenden Gehäuses vorgesehen.The roll flanging is e.g. B. from US-PS 5 121 621 known. At the one disclosed there The device is a receptacle attached to a rotating shaft provided with a plurality of rolls profiled for flanging, against which a can is driven with its edge, the flanging contour is given by the outer surface lines of the flanging rollers. The cylindrical one is used to limit the edge of the can body to be flanged Provided inner surface of a fixed housing.

Daneben ist aus der DE 195 01 002 eine Vorrichtung zum Bördeln und Necken (dort als "Auskeilen" bezeichnet) bekannt, bei dem zwei einem konventionellen Stauchwerkzeug entsprechende einteilige Bördel- und/oder Neckwerkzeuge um jeweils eine Achse drehbar und längs dieser Achse zwischen einer zurückgezogenen, nicht operativen und einer operativen Position verschiebbar sind. Dabei sind die Dreh- und Bewegungsachsen der Bördel-und/oder Neckwerkzeuge entgegengesetzt gegen die Achse der zu bördelnden und/oder neckenden Dose geneigt angeordnet. Bei der dabei verwendeten Vorrichtung ist eine aufwendige Einstellung der Werkzeuge erforderlich, da ihre Achsen von der Achse des Dosenkörpers und damit der Hauptachse der Vorrichtung abweicht. Zudem muß die Dose für den Umformvorgang drehbar gelagert werden.In addition, DE 195 01 002 describes a device for flanging and Teasing (referred to as "wedging" there), in which two are conventional Upsetting tool corresponding one-piece flaring and / or Neck tools can be rotated around an axis and along this axis between a withdrawn, non-operational and operational position are movable. The axes of rotation and movement are the Flaring and / or necking tools opposed to the axis of the flaring tool and / or teasing can arranged inclined. With the used The device requires complex adjustment of the tools, because their axes are from the axis of the can body and thus the main axis deviates from the device. In addition, the can for the forming process be rotatably supported.

Während mit dem Stauchbördeln der Nachteil verbunden ist, daß die Umformung unter bestimmten Umständen nicht gleichmäßig erfolgt; ergibt sich beim Rollbördeln der Nachteil, daß für die Vielzahl der Bördelrollen ein hoher apparativer Aufwand getrieben werden muß.While the upsetting is associated with the disadvantage that the forming not done evenly under certain circumstances; results from Roll flanging has the disadvantage that a high level of apparatus is required for the large number of flanging rolls Effort must be driven.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art, die durch die US-PS 5 121 621 gegeben ist, derart zu gestalten, daß mit verhältnismäßig einfachen konstruktiven Mitteln ein qualitativ einwandfreier Bördel erzielbar ist.The invention has for its object a device of the aforementioned Type given by US Pat. No. 5,121,621 to design such that with relatively simple constructive means a qualitatively flawless Flare is achievable.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Werkzeuginnenteil auf einem an der um die Achse drehbaren Welle angeordneten Wellenzapfen drehbar innerhalb des Werkzeugaußenteils (Bördelhülse) gelagert ist, wobei die Längsachse des Wellenzapfens gegenüber der Achse um einen Winkel geneigt ist und die Achse in einem Punkt schneidet, der in einer gedachten Ebene durch die Bördelfläche des Werkzeuginnenteils liegt, daß das Werkzeugaußenteil separat ausgebildet und an einer nicht drehbaren hülsenförmigen Pinole um die Welle gehalten ist und daß das Werkzeuginnenteil an einem Drehen um die Achse durch einen Formschluß mit dem - in bezug auf die Achse - nicht drehbaren Außenteil gehindert ist.This object is achieved in that the inner tool part on a shaft journal arranged on the shaft rotatable about the axis rotatably mounted inside the outer tool part (flare sleeve) is, the longitudinal axis of the shaft journal relative to the axis by one Is inclined and intersects the axis at a point that in an imaginary Level through the flanging surface of the inner tool part is that Tool outer part formed separately and on a non-rotatable sleeve-shaped Quill is held around the shaft and that the tool inner part on a rotation about the axis by a positive connection with the - in relation on the axis - non-rotatable outer part is prevented.

Durch die Lagerung des Werkzeuginnenteils auf dem winklig angeordneten Wellenzapfen und das gleichzeitige Verhindern einer Drehung des Werkzeuginnenteils um die Achse wird für das Werkzeuginnenteil eine Taumelbewegung erzeugt, durch die jeweils ein Punkt der Bördelfläche umlaufend mit dem Rand des Dosenkörpers in Berührung kommt, der - bei gleichzeitigem Vorschub - den Rand umlaufend kontinuierlich bördelt. Durch die koaxial zur Achse ausgebildete Innenfläche des Werkzeugaußenteils ist bereits bei der ersten Beührung der Bördelfläche des Werkzeuginnenteils mit dem Dosenrand die Begrenzungswirkung des Werkzeugaußenteils gewährleistet. Durch den im Anspruch 1 definierten Schnittpunkt der Längsachse des Wellenzapfens mit der Achse bleibt die Bördelfläche des Werkzeuginnenteils auch bei entstehender Taumelbewegung immer zentrisch zur Achse.By storing the inner part of the tool on the angularly arranged Shaft journal and at the same time preventing the inner part of the tool from rotating a wobble movement is generated around the axis for the inner part of the tool, through the one point of the flanging surface all around with the edge of the can body comes into contact, which - with simultaneous feed - continuously flaring the edge all around. Through the trained coaxial to the axis The inner surface of the outer tool part is already at the first touch the flaring surface of the inner part of the tool with the edge of the can the limiting effect of the outer tool part guaranteed. Through the im Claim 1 defined intersection of the longitudinal axis of the shaft journal with The flare surface of the inner part of the tool remains on the axis even when it is created Wobble always centered on the axis.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.Advantageous developments of the invention are described in the subclaims.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher erläutert. Es zeigen

Fig. 1
eine Maschine in einem schematischen Längsschnitt und
Fig. 2
die Werkzeuge zum zweiseitigen Bördeln einer Dosenzarge in einem Längsschnitt.
An embodiment of the invention is shown in the drawing and is explained in more detail below. Show it
Fig. 1
a machine in a schematic longitudinal section and
Fig. 2
the tools for the two-sided flanging of a can frame in a longitudinal section.

Eine Maschine 1 zum Bördeln von zylindrischen Dosenzargen C weist eine senkrecht auf einem Maschinenfundament 2 befestigte Maschinensäule 3 auf, an der ein Maschinen- oder Revolverkopf 4 um deren Mittelachse 5 drehbar gelagert ist. Der Maschinenkopf 4 weist in einem Bereich mittlerer Höhe - gleichmäßig am Umfang erteilt - eine Vielzahl von Pinolenführungen bzw. - bohrungen 6 auf, in denen hülsenförmig ausgebildete Pinolen 7 derart gelagert sind, daß sie in Richtung der Achse 5 relativ zum Machinenkopf 4 bewegbar geführt sind. Die Bewegung wird, wenn der Maschinenkopf 4 um die Säule 3 gedreht wird, durch eine an der Pinole 7 angeordnete Steuerrolle 8 bewirkt, die im Eingriff mit einer um die Achse 5 angeordneten, an der Säule 3 befestigten Hub- oder Steuerkurve 9 steht.A machine 1 for flanging cylindrical can bodies C has one machine column 3 fastened vertically on a machine foundation 2, on which a machine or turret 4 is rotatable about its central axis 5 is stored. The machine head 4 has an area of medium height - issued evenly on the circumference - a variety of quill guides or - Bores 6 in which sleeves quill 7 are mounted in such a way are that they can be moved in the direction of the axis 5 relative to the machine head 4 are led. The movement is when the machine head 4 around the Column 3 is rotated by a control roller 8 arranged on the quill 7 causes that in engagement with a arranged around the axis 5, on the column 3rd attached stroke or control curve 9 is.

Ein Drehen der Pinole 7 um die eigene Achse 13 innerhalb der Pinolenführung 6 wird durch einen an der Pinole 7 befestigten Keil bzw. eine Feder 10 verhindert, der bzw. die in einer an der zugehörigen Pinolenführung 6 angebrachten Führungsnut 11 gleitet.A turning of the sleeve 7 about its own axis 13 within the sleeve guide 6 is by a wedge or a spring 10 attached to the quill 7 prevents the or those attached to the associated quill guide 6 Guide groove 11 slides.

Innerhalb der Pinolen 7 ist eine Welle 12 drehbar koaxial zur Achse 13 der Pinole 7 gelagert. In Richtung der Achse 13 ist die Welle 12 gegenüber der Pinole 7 fixiert. An ihrem oberen Ende trägt die Pinole 7 eine Bördelhülse 14 mit einer Innenfläche 15. Within the quill 7, a shaft 12 is rotatable coaxially to the axis 13 of the Quill 7 stored. In the direction of the axis 13, the shaft 12 is opposite to the Pinole 7 fixed. At its upper end, the quill 7 carries a crimp sleeve 14 with an inner surface 15.

Am Ende der Welle 12 ist ein Flansch oder Bund 16 angeordnet, an dem sich zum freien Ende hin noch ein Wellenzapfen 17 anschließt. Der Bund 16 weist eine - auf die Achse 13 bezogen - zylindrische Außenfläche und an ihrer Unterseite eine dazu senkrechte Anlage- oder Anschlagfläche 18 auf.At the end of the shaft 12, a flange or collar 16 is arranged on which a shaft journal 17 is connected to the free end. The federal government 16 points a - related to the axis 13 - cylindrical outer surface and on its underside a perpendicular contact or stop surface 18.

Die Längsachse 19 des Wellenzapfens 17 ist gegenüber der Achse 13 um einen Winkel α geneigt ausgebildet. Auf dem Wellenzapfen 17 ist ein Bördelinnenwerkzeug 20 drehbar gelagert, das an der der Welle 12 abgewandten Seite eine konische Einfädelfläche 21, eine Führungs- und Haltefläche 22 und eine Bördelfläche 23 aufweist. Die Bördelfläche 23 läuft zum freien Umfang des Bördelinnenwerkzeugs 20 im wesentlichen senkrecht zur Längsachse 19 des Bördelinnenwerkzeugs aus.The longitudinal axis 19 of the shaft journal 17 is one compared to the axis 13 Angle α inclined. On the shaft journal 17 is an inner crimping tool 20 rotatably mounted, the one facing away from the shaft 12 Side a conical threading surface 21, a guide and holding surface 22 and has a flanging surface 23. The flanging surface 23 runs to the free circumference of the crimping tool 20 substantially perpendicular to the longitudinal axis 19 of the flaring tool.

Das Bördelinnenwerkzeug 20 ist über ein Lager drehbar, aber axial fixiert, am Wellenzapfen 17 gelagert, so daß die Längsachse des Bördelinnenwerkzeugs 20 der Achse 19 des Wellenzapfens 17 entspricht.The flanging tool 20 can be rotated via a bearing, but is axially fixed on Shaft journal 17 mounted so that the longitudinal axis of the crimping tool 20 corresponds to the axis 19 of the shaft journal 17.

Im fertig montierten Zustand befindet sich das Bördelinnenwerkzeug 20 mit Bewegungsspiel innerhalb der Innenfläche 15 der Bördelhülse 14. Damit das Bördelinnenwerkzeug 20 sich relativ zur Bördelhülse 14 nicht drehen kann, ist ein in der Bördelhülse 14 befindlicher Stift 24 vorgesehen, der in eine in der äußeren Umfangsfläche 25 des Bördelinnenwerkzeugs 20 eingearbeitete Längsnut 26 eingreift.In the fully assembled state, the flanging tool 20 is located with Play within the inner surface 15 of the crimp sleeve 14. So that Inner crimping tool 20 cannot rotate relative to the crimping sleeve 14 a in the crimp sleeve 14 pin 24 is provided, which in one in the outer peripheral surface 25 of the crimping tool 20 incorporated Longitudinal groove 26 engages.

Wenn eine in der Zeichnung mit strichpunktierten Linien angedeutete Dosenzarge C mit ihrem unteren offenen Ende durch axiale Bewegung relativ zum Bördelinnenwerkzeug mit diesem in Kontakt kommt, wird der Rand zunächst über die Einfädel- oder Zentrierfläche 21 auf die Führungs- bzw. Haltefläche 22 geschoben, dort in radialer Hinsicht gehalten und bei weiterem Vorschub- bzw. weiterer Krafteinwirkung durch die Bördelfläche 23 nach außen umgeformt - gebördelt. Dieser Umformvorgang wird gestoppt, wenn der gebördelte Flansch der Dosenzarge C gegen die Innenwand 15 der Bördelhülse 14 stößt. Die Bördelhülse 14 dient somit nicht nur zur Aufnahme des Bördelinnenwerkzeugs 20 sondern auch zur Begrenzung des Bördelvorgangs, und die Innenfläche 15 stellt gleichzeitig eine Begrenzungsfläche dar. Insofern besteht das gesamte Bördelwerkzeug 27 aus dem Bördelinnenwerkzeug 20 und der Bördelhülse 14 als Bördelaußenwerkzeug.If a can frame indicated with dash-dotted lines in the drawing C with its lower open end relative by axial movement when the flaring tool comes into contact with it, the edge is first via the threading or centering surface 21 onto the guide or holding surface 22 pushed, held there in radial terms and with further Feed or further force through the flanging surface 23 after formed on the outside - flanged. This forming process is stopped when the flanged flange of the can frame C against the inner wall 15 of the crimp sleeve 14 comes across. The crimp sleeve 14 thus serves not only to accommodate the Flaring tool 20 but also to limit the flanging process, and the inner surface 15 simultaneously represents a boundary surface the entire flanging tool 27 consists of the flanging tool 20 and the flare sleeve 14 as an outer flare tool.

Beim Umlaufen des Maschinenkopfes 4 führt die Pinole 7 mit der Bördelhülse 14 in bezug auf den Maschinenkopf 4 keine Drehung aus. Beim Passieren der Übernahmestelle einer Dosenzarge C - das ist die Berührungsstelle zwischen der Kreisbewegung der Achse 13 und der Kreisbewegung eines Zuführsterns - wird die Pinole 7 durch die Steuerkurve 9 in Richtung auf die eingeführte Dosenzarge C nach oben bewegt und mit einer solchen Kraft gegen den Rand derselben gedrückt, daß dieser gebördelt wird. Während der gesamten Drehbewegung des Maschinenkopfes 4 wird die Welle 12 gedreht, wie dies für eine Deckelgummiermaschine beispielsweise in der US-PS 5 376 174 beschrieben ist. Während des Drehens der Welle 12 um die eigene Achse 13 bzw. die der Pinole 7 ändert sich im Zyklus einer Umdrehung die Lage der Achse 19 des Zapfens 17 im Raum. Mit bezug auf die Zeichenebene der Fig. 1 ändert sich die Lage beispielsweise von links nach vorne, nach rechts, nach hinten, etc. Dies bewirkt bei dem Bördelinnenwerkzeug 20 eine entsprechende Taumelbewegung ebenfalls nach links, nach vorne, nach rechts, nach hinten, etc. Im gleichen Maß wandert der jeweils höchste, den Rand der Dosenzarge berührende Punkt der Bördelfläche 23 von rechts nach hinten, nach links, nach vorne, etc. Die Berührungsstelle der Bördelfläche 23 mit der zu bördelnden Dosenzarge C und damit die Verformungsstelle am Rand der nicht drehenden Dosenzarge wandert also kreisförmig um die Achse 13, und zwar einmal je Umdrehung der Welle 12, ohne daß sich das Bördelinnenwerkzeug 20 selbst mitdreht. Dabei taumelt das Bördelinnenwerkzeug 20 um den Schnittpunkt S, in dem sich die Achsen 13 und 19 der Welle 12 und des Wellenzapfens 17 kreuzen. Dieser auch als Schnittpunkt zu bezeichnende Punkt S liegt - bezogen auf das Innenwerkzeug 20 - in Höhe der Bördelfläche 23, d. h. zwischen einer gedachten Ebene durch das untere Ende der Haltefläche 22 und einer gedachten Ebene durch den zum Umfang hin auslaufenden unteren Bereich der Bördelfläche 23.When the machine head 4 rotates, the sleeve 7 leads with the crimp sleeve 14 with respect to the machine head 4 no rotation. When passing the Transfer point of a can frame C - that is the point of contact between the circular movement of the axis 13 and the circular movement of a feed star - The quill 7 is introduced by the control curve 9 in the direction of the Can frame C moved upwards and with such force against the edge same pressed that this is crimped. Throughout the entire Rotary movement of the machine head 4, the shaft 12 is rotated like this for a cover gumming machine, for example in the U.S. Patent 5,376,174. While rotating the shaft 12 around the own axis 13 or that of the quill 7 changes in the cycle of one revolution the position of the axis 19 of the pin 17 in space. With reference to the drawing level 1, the position changes, for example, from the left to the front, to the right, to the rear, etc. This causes the crimping tool 20 a corresponding wobble movement also to the left, to the front, to the back right, backwards, etc. The highest, the highest Point of the flanging surface 23 touching the edge of the can frame from right to back, to the left, to the front, etc. The point of contact of the flanging surface 23 with the can frame C to be flanged and thus the deformation point on The edge of the non-rotating can frame therefore moves in a circle around the axis 13, once per revolution of the shaft 12, without the crimping tool 20 also turns. The crimping tool wobbles 20 around the intersection S, in which the axes 13 and 19 of the shaft 12 and the shaft journal 17 cross. This can also be called the intersection Point S is - based on the inner tool 20 - in the amount of Flare surface 23, d. H. between an imaginary plane through the lower one End of the holding surface 22 and an imaginary plane through the circumference towards the lower area of the flanging surface 23.

Damit das Bördelwerkzeug 20 beim Taumeln mit der Bördelfläche 23 mit möglichst geringem Spalt an der Innenfläche 15 der Bördelhülse 14 anliegt, ist die äußere Umfangsfläche 25 des Bördelinnenwerkzeugs 20, von der Bördelfläche 23 ausgehend, konisch ausgebildet, wobei der Konuswinkel dem halben Winkel α zwischen den Achsen 13 und 19 entspricht. Alternativ kann die Umfangsfläche 25 kugelförmig gestaltet werden, wobei der zugehörige Mittelpunkt der Kugelfläche im Schnittpunkt S liegt.So that the flanging tool 20 with the flanging surface 23 with wobbling the smallest possible gap is present on the inner surface 15 of the crimp sleeve 14 the outer peripheral surface 25 of the crimping tool 20, from the crimping surface 23 starting, conical, the cone angle the half angle α between axes 13 and 19 corresponds. Alternatively, you can the peripheral surface 25 are spherical, the associated The center of the spherical surface lies at the intersection point S.

Das Bördelinnenwerkzeug 20 und die sie aufnehmende Bördelhülse 14 mit der Innen- bzw. Begrenzungsfläche 15 bilden zusammen ein vollständiges Bördelwerkzeug 27 für ein Ende einer Dosenzarge.The inner crimping tool 20 and the crimping sleeve 14 receiving it the inner or boundary surface 15 together form a complete Flaring tool 27 for one end of a can frame.

Zum Bördeln nur eines Randes des Dosenkörpers einer sog. Zweiteildose weist die Bördelmaschine über (allgemein: gegenüber) jedem Bördelwerkzeug 27 in der Flucht der Achse 13 der Welle 12 ein entsprechendes Gegenwerkzeug auf, wie es für eine Vorrichtung zum Bördeln und Necken eines Dosenkörpers beispielsweise in der US-PS 4 070 888 offenbart ist (vgl. dortige Fig. 1, Bezugszeichen 250).For flaring only one edge of the can body of a so-called two-part can the flanging machine has (generally: opposite) each flanging tool 27 in alignment with the axis 13 of the shaft 12 a corresponding counter tool on how it is for a device for flaring and teasing a can body is disclosed, for example, in US Pat. No. 4,070,888 (cf. FIG. 1, reference numeral 250).

Zum Bördeln beider Ränder der Dosenzarge einer sog. Dreiteildose weist die Bördelmaschine in der Flucht der Achse 13 über (allgemein: gegenüber) dem Werkzeug 27 ein weiteres entsprechendes Werkzeug 27' auf, wobei die Achse 13' der Pinole 7' und der Welle 12' koaxial mit der Welle 13 fluchtet. Die Pinole 7' kann dabei entweder in der Höhe (allgemein: in axialer Richtung) feststehen oder - wie die Pinole 7 - durch eine Steuerkurve in der Höhe veränderbar gelagert sein, damit die Bördelwerkzeuge 27, 27' zur Bearbeitung von beiden Seiten gleichzeitig in die Dosenzarge einfahren können.For flanging both edges of the can frame of a so-called three-part can Flanging machine in line with the axis 13 above (generally: opposite) the Tool 27 on another corresponding tool 27 ', the Axis 13 'of the quill 7' and the shaft 12 'coaxially aligned with the shaft 13. The quill 7 'can either be in height (generally: in the axial direction) fixed or - like the quill 7 - adjustable in height by means of a control cam be stored so that the flanging tools 27, 27 'for processing can enter the can frame from both sides at the same time.

Die Lage der Wellen 12, 12' ist dabei derart eingerichtet, daß deren ohnehin koaxial angeordnete Achsen 13 und 13' und die Achsen 19, 19' der schräg angeordneten Wellenzapfen 17 bzw. 17' jeweils in einer Ebene liegen, so daß die Berührungspunkte der Bördelflächen 23 bzw. 23' sich jeweils gegenüber liegen.The position of the shafts 12, 12 'is set up such that theirs anyway coaxially arranged axes 13 and 13 'and the axes 19, 19' of the oblique arranged shaft journals 17 and 17 'are each in one plane, so that the points of contact of the flanging surfaces 23 and 23 'are opposite each other lie.

Die Grundform der Bördelinnenwerkzeuge 20, 20' und die Innenflächen 15, 15' der Bördelhülsen 14, 14' können auch - in der Draufsicht gesehen - unrund ausgestaltet sein. Bezugszeichenliste Vorrichtung zum Bördeln von Dosenkörpern Krupp Kunsstofftechnik GmbH, Essen, DE (96079PODE) 1 Maschine zum Bördeln zyl. Dosenzargen 2 Maschinenfundament 3 Maschinensäule, Säule 4 Maschinenkopf, Revolverkopf 5 Mittelachse, Achse (4) 6 Pinolenführung, -bohrung 7, 7' hülsenförmig ausgebildete Pinole 8 Steuerrolle 9 Hubkurve, Steuerkurve 10 Keil, Feder 11 Führungsnut 12, 12' Welle 13, 13' Achse (7, 12; 7' 12') 14, 14' Bördelhülse 15,15' Innenfläche (14, 14') 16 Bund, Flansch 17, 17' Wellenzapfen 18 [untere] Anlage-, Anschlagfläche (16) 19, 19' Mittelachse (17, 17') 20, 20' Bördelinnenwerkzeug 21 Einfädelfläche, Zentrierfläche (20) 22 Führungs-, Haltefläche (20) 23, 23' Bördelfläche (20, 20') 24 Stift 25 äußere Umfangsfläche (20) 26 Lägsnut in 25 27, 27' vollständiges Bördelwerkzeug (=14 + 20 bzw 14' + 20') C Dosenzarge S Schnittpunkt von 13 und 19 bzw 13' und 19' alpha Winkel zwischen den Achsen 13 und 19 bzw 13', 19' The basic shape of the crimping tools 20, 20 'and the inner surfaces 15, 15' of the crimping sleeves 14, 14 'can also be non-circular, as seen in the top view. Reference list Device for flaring can bodies Krupp Kunsstofftechnik GmbH, Essen, DE (96079PODE) 1 Machine for flanging cyl. Can frames 2nd Machine foundation 3rd Machine column, column 4th Machine head, turret head 5 Central axis, axis (4) 6 Quill guide, bore 7, 7 ' sleeve-shaped quill 8th Steering role 9 Stroke curve, control curve 10th Wedge, feather 11 Guide groove 12, 12 ' wave 13, 13 ' Axis (7, 12; 7 '12') 14, 14 ' Crimp sleeve 15.15 ' Inner surface (14, 14 ') 16 Collar, flange 17, 17 ' Shaft journal 18th [lower] contact surface (16) 19, 19 ' Central axis (17, 17 ') 20, 20 ' Flaring tool 21 Threading surface, centering surface (20) 22 Guide, holding surface (20) 23, 23 ' Flanging surface (20, 20 ') 24th pen 25th outer peripheral surface (20) 26 Lägsnut in 25 27, 27 ' complete flaring tool (= 14 + 20 or 14 '+ 20') C. Can frame S Intersection of 13 and 19 or 13 'and 19' alpha Angle between axes 13 and 19 or 13 ', 19'

Claims (5)

  1. Device (1) for flanging at least one rim of a container body (C) with at least one flanging tool (27), consisting of an inner tool part (20) with a flanging contour and an outer tool part (14) with an inner limiting contour (15) for the rim to be flanged, the inner tool part (20) being disposed on a shaft (12) rotating about an axis (13), and also consisting of a counter-tool (27') disposed coaxially with the axis (13), characterised in that the inner tool part (20) is mounted rotatably on a shaft journal (17) disposed on the shaft (12) within the outer tool part (14), the shaft (12) being rotatable about the axis (13), wherein the longitudinal axis (19) of the shaft journal (17) is inclined by an angle (a) relative to the axis (13) and intersects the axis (13) at a point (S) which lies in an imaginary plane through the flanging surface (23), that the outer tool part (14) is constructed separately and is held about the shaft (12) on a sleeve-like quill (7) which is non-rotatable - relative to the axis (13) - and that the inner tool part (20) is prevented from rotating about the axis (13) by form-locking (24/26) with the outer tool part (14) which is non-rotatable.
  2. Device as claimed in Claim 1, characterised in that the counter-tool (27') is likewise constructed as a flanging tool, wherein the longitudinal axes (19, 19') of the shaft journals (17, 17') which are disposed at an angle lie in each case in an imaginary plane with the axes (13, 13').
  3. Device as claimed in Claim 1 or 2, characterised in that the form-locking between the inner tool part (20) and the outer tool part (14) is formed by a pin (24) disposed in the outer tool part (14) and a longitudinal groove (26) disposed in an outer circumferential surface (25) of the inner tool part (20).
  4. Device as claimed in Claim 3, characterised in that the outer circumferential surface (25) is tapered so that it tapers conically away from the flanging surface (23).
  5. Device as claimed in Claim 3, characterised in that the outer circumferential surface (25) of the inner tool part (20) is of spherical construction, the centre point of the spherical surface lying in the point of intersection (S) of the axes (13, 19).
EP97104815A 1996-07-18 1997-03-21 Machine for flanging container bodies Expired - Lifetime EP0819483B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19628995 1996-07-18
DE19628995A DE19628995A1 (en) 1996-07-18 1996-07-18 Device for flaring can bodies

Publications (3)

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EP0819483A2 EP0819483A2 (en) 1998-01-21
EP0819483A3 EP0819483A3 (en) 1998-03-25
EP0819483B1 true EP0819483B1 (en) 2000-02-16

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EP97104815A Expired - Lifetime EP0819483B1 (en) 1996-07-18 1997-03-21 Machine for flanging container bodies

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US (1) US5853275A (en)
EP (1) EP0819483B1 (en)
CN (1) CN1082407C (en)
AT (1) ATE189781T1 (en)
BR (1) BR9704017A (en)
DE (2) DE19628995A1 (en)
ES (1) ES2142117T3 (en)
PL (1) PL183384B1 (en)
TW (1) TW340069B (en)

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US6163951A (en) * 1999-03-31 2000-12-26 Sealright Co., Inc. Method and apparatus for lifting tabs of a laminate from a substrate
US7201031B2 (en) * 2004-02-06 2007-04-10 Belvac Production Machinery, Inc. Flanging process improvement for reducing variation in can body flange width
US20060225631A1 (en) * 2005-04-08 2006-10-12 Tesco Engineering Inc. Roller type hemming apparatus
US20070044530A1 (en) * 2005-08-24 2007-03-01 Ball Corporation Apparatus and Method for Flanging a Neck of a Container
US7503741B2 (en) * 2007-01-16 2009-03-17 Omnitech International, Inc. Formation of a curl in a unitary closable container
CN102049438B (en) * 2010-12-02 2012-11-28 苏州华源包装股份有限公司 One-time flanging device for two ends of tank body
CN104117561B (en) * 2014-07-17 2016-03-23 苏州华源包装股份有限公司 A kind of curling mechanism
CN104438530B (en) * 2014-12-08 2017-02-22 苏州华源包装股份有限公司 Pressing and reeling structure of steel drum
CN109759520B (en) * 2017-11-09 2024-04-26 广州市捷威专用设备有限公司 System jar apparatus for producing
BR112021023500A2 (en) * 2019-06-13 2022-01-18 Ferrum Packaging Ag Splice roller for a closing device
CN110216181B (en) * 2019-07-10 2024-06-07 舟山市普陀博达机械制造有限公司 Automatic hemming device

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DE2042954C3 (en) * 1970-08-29 1975-07-17 Printal Oy, Helsinki Device for the production of the retracted bottle neck of seamless, thin-walled metal bottles with a coating
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DE2732263A1 (en) * 1977-07-16 1979-02-01 Schuler Gmbh L DEVICE FOR CREATING A BORDER ON THE PERIOD OF A HOLLOW CYLINDER
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Also Published As

Publication number Publication date
DE19628995A1 (en) 1998-01-22
CN1082407C (en) 2002-04-10
US5853275A (en) 1998-12-29
CN1171988A (en) 1998-02-04
PL321153A1 (en) 1998-01-19
EP0819483A2 (en) 1998-01-21
EP0819483A3 (en) 1998-03-25
DE59701126D1 (en) 2000-03-23
PL183384B1 (en) 2002-06-28
ATE189781T1 (en) 2000-03-15
ES2142117T3 (en) 2000-04-01
BR9704017A (en) 1998-11-03
TW340069B (en) 1998-09-11

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