EP1381480B1 - Verfahren und vorrichtung zur, vor ort, halbautomatischen herstellung von metallbehältern - Google Patents

Verfahren und vorrichtung zur, vor ort, halbautomatischen herstellung von metallbehältern Download PDF

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Publication number
EP1381480B1
EP1381480B1 EP01929745A EP01929745A EP1381480B1 EP 1381480 B1 EP1381480 B1 EP 1381480B1 EP 01929745 A EP01929745 A EP 01929745A EP 01929745 A EP01929745 A EP 01929745A EP 1381480 B1 EP1381480 B1 EP 1381480B1
Authority
EP
European Patent Office
Prior art keywords
metal
welding
sheet
bending
rollers
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
EP01929745A
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English (en)
French (fr)
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EP1381480A1 (de
Inventor
Colbert Briancon
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.)
Nouvelle Stcm-Ctis Societe Par Act Ste
Original Assignee
Holding Financiere Ct Sarl Ste
HOLDING FINANCIERE C T SARL SO
Holding Financiere Ct Sarl Ste
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 Holding Financiere Ct Sarl Ste, HOLDING FINANCIERE C T SARL SO, Holding Financiere Ct Sarl Ste filed Critical Holding Financiere Ct Sarl Ste
Priority to PT01929745T priority Critical patent/PT1381480E/pt
Publication of EP1381480A1 publication Critical patent/EP1381480A1/de
Application granted granted Critical
Publication of EP1381480B1 publication Critical patent/EP1381480B1/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
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like

Definitions

  • the invention relates to a method and a device for semi-automatic on-site production of tanks high capacity cylindrical metal.
  • the ferrules are produced by bending, bending, as the training and progress of the sheet metal coil.
  • the strip of sheet is progressively attached to the coil previous, that it drives in rotation, this solidarity being preceded by a support while as progressive from this previous ferrule on the edge of the sheet metal strip while scrolling until complete completion of this next shell.
  • the control of the bending of the sheet metal strip, according to the required radius, is permanently assured, as and measurement of the drive and the scrolling thereof.
  • the device for applying the above method mentioned is mainly characterized by the use of training and arching means a strip of sheet metal from a roll and rollers associated with distributed lifting cylinders regularly on a circumference to constitute a roundabout, of diameter corresponding to that of the ferrules to be made, intended to gradually support the sheet after bending, the sheet being driven by a motorized roller tractor.
  • the object of the present invention is to remedy these disadvantages.
  • This invention as it is characterized in the claims, resolves the problem of defining a process and creating a device for semi-automatic production in a very short time, by a workforce of workers very small specialized, sheet metal tanks of large capacity, from sheet metal rolls trade.
  • the device according to the invention allowing the application of the above process, mainly characterized in that all means used for unwinding, straightening, forming, training, cutting, welding and lifting, are managed by a programmable automaton, remotely controllable by a control box without wire, respecting predetermined data.
  • the position of the electrodes of the welding devices is controlled by detectors connected to a monitor which measures and displays, in real time, any position differences with a view to their cancellation immediate.
  • the device for producing tanks mainly comprises a carousel 10 consisting of a bottom 11 on which jacks 12 are mounted associated with rollers 13 , as well as an unwinder 20 consisting of a frame 21 with leveling cylinder supporting the reel holder, as well as the unwinding and bending machine 30 essentially consisting of three rollers 31 , 32 , 33 including one fixed and motorized 31 , a mobile and motorized 32 , or vice versa, ensuring , the pinching of the sheet 41 against the fixed and motorized roller 31 under the action of a jack 34 , and a non-motorized mobile 33 ensuring the bending of the sheet 41 , with control of the bending radius and of the movement of the sheet 41 by means, on the one hand, as regards the control of bending radius, of a proximity detector 50 , disposed at the top and in alignment with the bisector of the obtuse angle, formed by two arms joined to each other and com bearing, at their free end, a calibrated roller,
  • a first ferrule 42 is first produced by driving the sheet 41 of the coil 40 by the fixed rollers 31 and motorized presser 32 and bending of said sheet 41 by the bending roller 33 , which is positioned as a function of the radius to be obtained.
  • the cutting station 70 then cuts the sheet metal strip 41 to separate it from the coil 40 , the vertical assembly and the corresponding welding are then carried out, the first ferrule 42 is then completed. Then, as shown in FIG. 2 , it suffices to weld a roof 44 , then, according to FIG. 3 , to ensure the lifting of the assembly, using the jacks 12 and the rollers 13 , of a corresponding height.
  • the sheet metal strip 41 is engaged, as we have just seen, under the first ferrule 42 , then approached using the rollers 81 , 82 of the station d docking 80 , which thus presses the ferrule 42 and the sheet metal strip 41 .
  • a welding station 90 provides automatic spot welding, as the sheet advances.
  • the running of the sheet metal strip 41 is stopped before each post of the carousel 10 , the jack 12 supporting the ferrule is lowered, the strip advances to the next post, and so on.
  • the cornice welding ensuring the connection and sealing between the two ferrules 42 and 43 is carried out automatically by a fixed station (not shown).
  • the ferrule turns on itself using motorized roller tractors 100 , as well as under the action of motorized rollers 81 , 82 of the docking station 80 .
  • an automatic function positions the bending roller 33 by means of the jack 35 , after engagement of the end of the sheet metal strip 41 under said roller 33 .
  • the sheet metal strip 41 is introduced onto the carousel 10 , after passing in front of the straightening means 23 , 36 , 37 and of controlling the bending and running radius 31 , 32 , 33 which will now be mentioned.
  • the position of the bending roller 33 is controlled by the proximity detector 50 , which measures, in a precise manner, the distance separating it from the external surface of the sheet metal strip 41 , which makes it possible to obtain, by subtraction, the exact measurement between the calibrated support rollers of the deflection communicated to the sheet metal strip by the bending roller 33 . Corrections, more or less, are thus permanently automatically transmitted to the supply system of the jack 35 , ensuring the positioning of the bending roller 33 .
  • the encoder wheel 60 continuously transmits to the programmable controller via an incremental generator for example, which it drives, the exact length of sheet metal strip 41 already formed, in order to control, the opportune moment, the precise stop of the drive of the motorized rollers 31 and 32 , preceding the command to initiate the sectioning by the transverse cutting station 70 , consisting of a slide 71 with motorized carriage 72 , supporting a cutting tool 73 .
  • the actuators 12 for operating the scroll rollers 13 and the tabs must be of strictly identical characteristics and that the oil flow rates to which they are subjected, both at the inlet and at the outlet, must be perfectly controlled in order to obtain very precise strokes of the cylinder rods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Container Filling Or Packaging Operations (AREA)

Claims (2)

  1. Verfahren zur Herstellung von zylindrischen, großvolumigen Metallbehältern aus Blechrollen (40) an ihrem Standort, bei dem Mittel (30) zum Ziehen, Biegen und Abwickeln der Blechbahn (41) sowie Mittel für das Querschneiden (70), das Zusammenfügen (80) und das Längsschweißen der Blechbahnen eingesetzt werden, bestehend darin, durch progressives Biegen und Krümmen die Ringe (42, 43) entsprechend dem gewünschten Durchmesser je nach Abwicklung der Blechbahn (41) herzustellen und die Ringe (42, 43) nacheinander von oben nach unten herzustellen, indem man jeden einzelnen (42) direkt unter dem vorherigen (43) fertigt, der durch progressive Verbindung der Blechbahn im Verlaufe der Formgebung in Rotation versetzt wird; dieser Verbindung geht eine ebenso progressive Abstützung des vorigen Ringes (43) auf der Kante der Blechbahn (41) im Verlaufe des Abwickelns bis zur vollständigen Fertigung des nächsten Ringes (42) voraus; das Dach (44) wird auf der Oberkante des ersten Ringes (42) nach Fertigstellung dieses Ringes oder der ersten beiden Ringe befestigt; sobald die Wand die gewünschte Höhe erreicht hat, wird sie mit dem Boden (11) verbunden, dadurch gekennzeichnet:
    1 °) dass der Fertigung der Ringe folgende Vorgänge vorausgehen:
    a) Fertigung eines Bodens (11) durch kreisförmiges Brennschneiden von zusammengelegten Blechbahnen, die vorher seitlich verbunden worden sind, entsprechend einem Punkt C, der auf der Oberfläche dieser zusammengelegten Bleche willkürlich bestimmt wird.
    b) Erstellung der Symetrieachse der Ringe durch Aufschweißen einer Referenzvorrichtung mit einer Vertikalachse Y, die genau mit dem im vorigen Abschnitt auf der Oberfläche des Bodens (11) festgelegten Punkt C übereinstimmt.
    c) Genaue Positionierung im Bezug auf die Achse Y der Referenzvorrichtung aller Mittel, die zum Ziehen, Abwickeln, zur Führung, Zusammenfügung und zum Schweißen der Blechbahnen und zum Anheben des Ganzen je nach Fortschreiten der Fertigstellung beitragen.
    2 °) dass die Vertikalstellung der Abwicklungsrollen (13) der Hebemittel (12) sehr präzise fernüberwacht wird, einzeln und gemeinsam, je nach Fortschreiten der Arbeiten des Zusammenführens und der dadurch erforderlichen Folgearbeiten.
    3 °) dass die jeweilige Stellung der internen (91) und externen (92) Schweißvorrichtungen ständig im Verlaufe ihrer Verwendung sehr genau angegeben wird, mit sofortiger Angabe der Verschiebungen, die zwischen den beiden Vorrichtungen auftreten können, damit diese Verschiebungen sofort behoben werden, um ständig eine einwandfreie Übereinstimmung der internen und externen Schweißpunkte während des Fortschreitens der Schweißnaht im Gesims zu gewährleisten.
    4 °) dass die Schweißverbindung des Daches mit der entsprechenden Kante des oberen Ringes gleichzeitig mit der Rotation des Ganzen um 360° bei einer kontrollierten Geschwindigkeit ausgeführt wird, die ideal mit dem Fortschreiten der Schweißnaht übereinstimmt.
    5 °) dass vor dem Aufschweißen des Ganzen auf den Boden (11) erfolgt:
    die Abstützung der freien Kante des unteren Ringes (43) auf beweglichen Mitnehmern,
    die Demontage der Abwicklungsrollen (13),
    das nach unten koordinierte Versetzen der vorgenannten beweglichen Mitnehmer bis zur Abstützung der freien Kante des unteren Ringes (43) auf dem äußeren Umfang des Bodens (11)
    und anschließend das Entfernen der für diesen letzten Arbeitsgang nicht benötigten Geräte durch das Mannloch.
  2. Vorrichtung zur Durchführung des Verfahrens gemäß Anspruch 1, die folgendes beinhaltet: die Mittel zum Ziehen, Biegen (30) und zur ständigen Kontrolle (60) der Biegung und des Abwickelns der Blechbahn (41) sowie die Mittel für das Querschneiden (70), das Querverschweißen (80) und das Längsschweißen (90) des Bleches, die Mittel zum Ziehen und Biegen der Blechbahn (41), bestehend aus zwei motorgetriebenen Rollen (31, 32), von denen die eine feststeht (31) und die andere (32) durch einen Zylinder (34) gegen die erste gedrückt wird, und aus einer beweglichen Rolle (33), die sich hinter den beiden ersten (31, 32) befindet und deren Bewegung in Abhängigkeit von der für das Blech nötigen Biegung durch einen Zylinder (35) gesteuert wird; die Mittel zur ständigen Kontrolle der Biegung und des Abwickelns der Blechbahn (41) bestehen aus einem Näherungsschalter (50) und einer Kodierscheibe (60); die Mittel zur Abwicklung bestehen aus Rollen (13) in Verbindung mit Hubzylindern (12), die gleichmäßig auf einem Umkreis verteilt sind, um eine Manege (10) zu bilden, deren Durchmesser dem des gewünschten Ringes (42) entspricht; diese Rollen (13) sind dazu bestimmt, das Blech (41) nach der Biegung progressiv abzustützen während ihrer Abwicklung mittels einer Zugvorrichtung mit motorgetriebenen Rollen (100), gekennzeichnet durch einen programmierbaren Automaten, welcher durch einen drahtlosen Schaltkasten ferngesteuert wird, der die Mittel zum Ziehen (31, 32, 34), Biegen (33, 35), Querschneiden (70), zur ständigen Überwachung der Kontrolle und des Abwickelns (50, 60), zum Querschneiden (70), Schweißen (90) und zur Abstützung des Bleches im Laufe der Abwicklung (12, 13) sowie die Zugvorrichtung mit motorgetriebenen Rollen (100) steuert und durch Fühler, die mit einem Monitor verbunden sind, welcher in Echtzeit eventuelle Positionsabweichungen im Hinblick auf ihre sofortige Behebung misst und anzeigt und ebenso die Position der Elektroden der Schweißvorrichtungen (91, 92) kontrolliert.
EP01929745A 2001-04-27 2001-04-27 Verfahren und vorrichtung zur, vor ort, halbautomatischen herstellung von metallbehältern Expired - Lifetime EP1381480B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT01929745T PT1381480E (pt) 2001-04-27 2001-04-27 Processo e dispositivo para a realizacao semi-automatica, em local, de reservatorios metalicos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2001/001312 WO2002087804A1 (fr) 2001-04-27 2001-04-27 Procede et dispositif de realisation semi-automatique, sur sites, de reservoirs metalliques

Publications (2)

Publication Number Publication Date
EP1381480A1 EP1381480A1 (de) 2004-01-21
EP1381480B1 true EP1381480B1 (de) 2004-09-01

Family

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Family Applications (1)

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EP01929745A Expired - Lifetime EP1381480B1 (de) 2001-04-27 2001-04-27 Verfahren und vorrichtung zur, vor ort, halbautomatischen herstellung von metallbehältern

Country Status (5)

Country Link
EP (1) EP1381480B1 (de)
AT (1) ATE275012T1 (de)
DE (1) DE60105323T2 (de)
ES (1) ES2228855T3 (de)
WO (1) WO2002087804A1 (de)

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US8837465B2 (en) 2008-04-02 2014-09-16 Twilio, Inc. System and method for processing telephony sessions
WO2010040010A1 (en) 2008-10-01 2010-04-08 Twilio Inc Telephony web event system and method
EP2404412B1 (de) 2009-03-02 2019-05-01 Twilio Inc. Verfahren und system für ein mehrteilnehmer-telefonnetzwerk
BRPI0902600A2 (pt) * 2009-07-24 2011-04-12 Dedini Sa Ind De Base macaco para construção de tanques cilìndricos verticais
US9210275B2 (en) 2009-10-07 2015-12-08 Twilio, Inc. System and method for running a multi-module telephony application
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FR2730652B1 (fr) 1995-02-17 1997-03-28 Stcm Procede et dispositif de realisation semi-automatique de reservoirs et de viroles

Also Published As

Publication number Publication date
ATE275012T1 (de) 2004-09-15
EP1381480A1 (de) 2004-01-21
DE60105323T2 (de) 2005-09-22
WO2002087804A1 (fr) 2002-11-07
DE60105323D1 (de) 2004-10-07
ES2228855T3 (es) 2005-04-16

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