EP1381480B1 - Procede et dispositif de realisation semi-automatique, sur sites, de reservoirs metalliques - Google Patents
Procede et dispositif de realisation semi-automatique, sur sites, de reservoirs metalliques Download PDFInfo
- 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
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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.
Description
- Les figures 1 à 6 illustrent schématiquement les principales étapes du procédé.
- La figure 7 représente une vue en élévation schématique d'une cuve en cours de réalisation.
- La figure 8 représente une vue de dessus schématiquement partielle d'une virole en cours de réalisation.
- La figure 9 représente une vue de dessus du système de déroulement de cambrage de découpage, d'accostage et de soudage.
Claims (2)
- Procédé de réalisation sur sites de réservoirs métalliques cylindriques de grande capacité, à partir de bobines de tôle (40) mettant en oeuvre un moyen (30) d'entraínement, de cambrage et de défilement de la bande de tôle (41) ainsi que des moyens de découpe transversale (70), d'accostage (80) et de soudage longitudinal (90) des bandes de tôle, consistant à réaliser les viroles (42, 43) par cintrage, cambrage progressif en fonction du diamètre recherché, au fur et à mesure de l'entraínement et du déroulement de la bande de tôle (41) et à réaliser successivement les viroles (42, 43) du haut vers le bas en réalisant chacune d'elles (42) directement sous la précédente (43) en entraínant celle-ci en rotation par solidarisation progressive de la bande de tôle en cours de formage, cette solidarisation étant précédée d'une mise en appui tout aussi progressive de la virole précédente (43) sur le chant de la bande de tôle (41) au cours du défilement jusqu'à réalisation complète de la virole suivante (42), le toit (44) étant fixé sur le chant supérieur de la première virole (42) après réalisation de celle-ci ou des deux premières viroles ; la paroi étant solidarisée au fond (11) dès que celle-ci a atteint la hauteur désirée, caractérisé principalement :1°) En ce que la réalisation des viroles est précédée des opérations suivantes :a) Réalisation d'un fond (11) par oxycoupage circulaire d'un assemblage de bandes de tôle, préalablement solidarisées latéralement, par référence à un point C déterminé arbitrairement sur la surface de cet assemblage de tôles.b) Matérialisation de l'axe de symétrie des viroles par soudage d'un dispositif de référence, d'axe vertical Y coïncidant exactement avec le point C défini sur la surface du fond (11) à l'étape précédente.c) Positionnement précis, par rapport à l'axe Y du dispositif de référence, de tous les moyens concourant à l'entraínement, au défilement, au guidage, à l'accostage et au soudage des bandes de tôle et au levage de l'ensemble au fur et à mesure de la réalisation.2°) En ce que la position verticale des galets de défilement (13) des moyens de levage (12) est contrôlée à distance de façon très précise individuellement et collectivement en fonction de la progression des opérations d'assemblage et des séquences imposées par celles-ci.3°) En ce que la position respective des dispositifs de soudage interne (91) et externe (92) est indiquée en permanence de façon très précise au cours de leur utilisation, avec indication immédiate des décalages pouvant apparaítre entre les deux dispositifs, afin que ce décalage puisse être immédiatement annulé, en vue de conserver en permanence une parfaite concordance des points de soudure interne et externe, lors de la progression du cordon de soudure en corniche.4°) En ce que la solidarisation par soudage du toit sur le chant correspondant de la virole supérieure s'accompagne de la rotation de l'ensemble sur 360° à une vitesse contrôlée compatible avec la progression idéale du cordon de soudure.5°) En ce que le soudage de l'ensemble sur le fond (11) est précédé de la mise en appui sur taquets mobiles, du chant libre de la virole inférieure (43) du démontage des galets de défilement (13), du déplacement coordonné vers le bas des dits taquets mobiles, jusqu'à mise en appui dudit chant libre de la virole inférieure (43) sur le pourtour du fond (11) puis de l'évacuation par le trou d'homme des équipements inutilisables pour cette opération finale.
- Dispositif de mise en oeuvre du procédé selon la revendication 1 comportant des moyens d'entraínement, de cambrage (30) et de contrôle permanent (60) du cambrage et du défilement de la bande de tôle (41) ainsi que des moyens de découpe transversale (70) de soudage transversal d'accostage (80) et de soudage longitudinal (90) de la tôle, les moyens d'entraínement et de cambrage de la bande de tôle (41) étant constitué de deux rouleaux motorisés (31, 32) dont l'un est fixe (31) et l'autre (32) est rappelé vers celui-ci par un vérin (34) et d'un rouleau mobile (33) situé en aval des deux premiers (31, 32) dont le déplacement est assuré par un vérin (35) en fonction de la courbure à donner à la tôle, les moyens de contrôle permanent du cambrage et de défilement de la bande de tôle (41) étant constitués respectivement d'un détecteur de proximité (50) et d'une roue codeuse (60) ; les moyens de défilement étant constitués de galets (13) associés à des vérins de levage (12) répartis régulièrement sur une circonférence pour constituer un manège (10) de diamètre correspondant à celui de la virole (42) à obtenir, ces galets (13) étant destinés à soutenir progressivement la tôle (41) après cambrage, lors de son entraínement par un tracteur à galets motorisés (100) caractérisé par un automate programmable contrôlable à distance par un boítier de commande sans fil gérant les moyens d'entraínement (31, 32, 34) de cambrage (33, 35), de découpe transversale (70), de contrôle permanent du contrôle et du défilement (50, 60), de découpe transversale (70), de soudage (90) et de soutien de la tôle au cours du défilement (12, 13) ainsi que le tracteur à galets motorisés (100) et par des détecteurs reliés à un moniteur qui mesure et affiche, en temps réel, les éventuels écarts de position en vue de leur annulation immédiate, contrôlants la position des électrodes des dispositifs de soudage (91, 92).
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 (fr) | 2004-01-21 |
EP1381480B1 true EP1381480B1 (fr) | 2004-09-01 |
Family
ID=8859461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01929745A Expired - Lifetime EP1381480B1 (fr) | 2001-04-27 | 2001-04-27 | Procede et dispositif de realisation semi-automatique, sur sites, de reservoirs metalliques |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1381480B1 (fr) |
AT (1) | ATE275012T1 (fr) |
DE (1) | DE60105323T2 (fr) |
ES (1) | ES2228855T3 (fr) |
WO (1) | WO2002087804A1 (fr) |
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CA2567024C (fr) | 2006-09-14 | 2012-10-23 | Innovative Tank Manufacturing Inc. | Appareil pour la fabrication de structures ayant une paroi laterale continue |
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WO2010040010A1 (fr) | 2008-10-01 | 2010-04-08 | Twilio Inc | Système et procédé d'événement web téléphonique |
CN102415068B (zh) | 2009-03-02 | 2015-09-02 | 特维里奥公司 | 用于多租户电话网络的方法和系统 |
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 |
CA2719190C (fr) | 2010-03-10 | 2014-04-01 | 1540049 Alberta Ltd. | Procede et appareil pour assembler une piece a usiner |
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Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2551370B1 (fr) | 1983-09-06 | 1987-02-06 | Coteau Const Soudees | Procede et installation pour la fabrication de gros appareils cylindriques metalliques |
FR2730652B1 (fr) | 1995-02-17 | 1997-03-28 | Stcm | Procede et dispositif de realisation semi-automatique de reservoirs et de viroles |
-
2001
- 2001-04-27 WO PCT/FR2001/001312 patent/WO2002087804A1/fr active IP Right Grant
- 2001-04-27 DE DE60105323T patent/DE60105323T2/de not_active Expired - Lifetime
- 2001-04-27 AT AT01929745T patent/ATE275012T1/de not_active IP Right Cessation
- 2001-04-27 ES ES01929745T patent/ES2228855T3/es not_active Expired - Lifetime
- 2001-04-27 EP EP01929745A patent/EP1381480B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2228855T3 (es) | 2005-04-16 |
ATE275012T1 (de) | 2004-09-15 |
EP1381480A1 (fr) | 2004-01-21 |
DE60105323D1 (de) | 2004-10-07 |
WO2002087804A1 (fr) | 2002-11-07 |
DE60105323T2 (de) | 2005-09-22 |
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