EP0727264B1 - Procédé et dispositif de réalisation semi-automatique de réservoirs et de viroles - Google Patents

Procédé et dispositif de réalisation semi-automatique de réservoirs et de viroles Download PDF

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Publication number
EP0727264B1
EP0727264B1 EP19960400137 EP96400137A EP0727264B1 EP 0727264 B1 EP0727264 B1 EP 0727264B1 EP 19960400137 EP19960400137 EP 19960400137 EP 96400137 A EP96400137 A EP 96400137A EP 0727264 B1 EP0727264 B1 EP 0727264B1
Authority
EP
European Patent Office
Prior art keywords
sheet
strip
shell
cambering
sheeting
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
EP19960400137
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0727264A1 (fr
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
STCM SARL
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 STCM SARL filed Critical STCM SARL
Publication of EP0727264A1 publication Critical patent/EP0727264A1/fr
Application granted granted Critical
Publication of EP0727264B1 publication Critical patent/EP0727264B1/fr
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 object of the present invention is to remedy these drawbacks.
  • This invention as characterized in claims, solves the problem of defining a method and to create a device allowing semi-automatic realization tanks and ferrules from sheet metal coils.
  • a means of straightening the sheet consisting of two rollers vertical boobies, offset from each other, located on the side and other of the sheet metal strip, upstream of the drive means and bending, so that the one located most upstream either side of the spool and the other side is the other side, with some commitment to the scroll plan sheet metal strip.
  • the advantages obtained, thanks to this invention consist essentially, in that, by this means, the ferrules are produced directly from the sheet metal coils, respecting, precisely, the required radius and excellent flatness of the joint plans, as well as a precise matching of ferrules facilitating their joining by welding and, consequently, obtain a tight seal at each level, taking into account the quality and regularity of the cords welding carried out in this context.
  • the device for producing tanks mainly comprises a carousel 10 consisting of a plate 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 25 supporting the reel holder 22, as well as the unwinding and bending machine 30 essentially consisting of three rollers 31, 32, 33 , including a fixed and motorized 31 , a motorized mobile 32 , or vice versa, ensuring the pinching of the sheet 41 against the fixed 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 travel sheet metal 41 by means, on the one hand, as regards the control of the bending radius, of a proximity detector 50, placed at the top and in alignment with the bisector of the obtuse angle, formed by two arms 51, 52 secured to each other and comprising, at their free ends, a calibrated roller 53,
  • Figure 1 a first ferrule 42 is first produced by training of 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 assembly consisting, after welding, of the ferrules 42 and 43 and of the roof 44 can be raised again, by means of the jacks 12 associated with the rollers 13 constituting the merry-go-round, with a view to adding a third ferrule, proceeding as illustrated in FIGS. 3 to 6, or removed from the carousel, using a lifting means, to be placed and then welded to a bottom.
  • the sheet metal strip 41 is engaged, as we have just seen (FIG. 4), under the first ferrule 42, then approached using the rollers 81 , 82 of the docking station 80, which thus press 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 merry-go-round post 10 , and a temporary post is slipped under the strip; 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). During these operations, the ferrule turns on itself using motorized roller tractors 100 , as well as under the action of the drive rollers 81, 82 of the docking station 80 .
  • the coil 40 placed vertically on the coil holder 22, consisting of a rotating crown 220 and a removable plate to central mandrel 221 provided with a lifting ring 222 , is then unrolled, after welding a straight piece at the end of the sheet metal strip 41 , to facilitate engagement of the latter in the two motorized rollers of drive 31 and 32 of the unwinding and bending machine 30 , while being supported vertically by two rollers 23 and 24 mounted at the inlet and at the outlet of the unwinding and bending machine 30 .
  • the sheet metal strip 41 being thus engaged, it then suffices to obtain the pinching of the sheet between the two motorized drive rollers 31, 32 under the action of the jack 34 .
  • an automatic function positions the bending roller 33 by the intermediate of the jack 35, after engagement of the end of the sheet metal strip 41 under the said roller 33 .
  • the sheet metal strip 41 is introduced onto the roundabout 10 , after passing in front of the means for controlling the bending radius and the travel, which will now be described in relation to FIG. 12.
  • the position of the bending roller 33 is controlled by the proximity detector 50 , which precisely measures 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 53, 54, of the deflection communicated to the sheet metal strip by the bending roller 33 . Corrections, more or less, are thus permanently transmitted to the supply system of the jack 35, ensuring the positioning of the bending roller 33 .
  • the encoder wheel 60 transmits, permanently, to the programmable controller, by means of an incremental generator for example, which it drives, the exact length of sheet metal strip 41 already formed, in order to order, at the appropriate time, the stopping 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 tool for section 73 .
  • the said means consists of two idler rollers 36 and 37 offset, arranged upstream of the roller drive means 31 and 32, so that the roller located most upstream 36 is disposed on the side of the reel 40 and that the other 37 is located on the other side, with a certain engagement in the plane of travel of the sheet metal strip 41 .
  • the residual curvature resulting from the previous winding is canceled by straightening the sheet under the effect of reverse bending provided by the roller 37 located between the rollers 32 and 36 .
  • the sheet metal strip leaving the drive means 31, 32, 34 is flat and can then be bent according to a radius R determined by means of the roller 33 combined with the jack 35 .
  • the device according to the invention although initially designed for the production of tank ferrules according to the method of the invention, could be, without any particular adaptation, used for the production of plates or strips of flat sheet metal, since it it suffices only to program the control automaton accordingly.
  • Proximity detector 50 will then be asked to verify the absence of deflection, therefore of curvature of the sheet; the bending roller 33 would remain, however, in this case, operating, since it would contribute to the straightening of the sheet metal strip 41 previously wound according to radii of curvature increasing from the middle towards the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
EP19960400137 1995-02-17 1996-01-22 Procédé et dispositif de réalisation semi-automatique de réservoirs et de viroles Expired - Lifetime EP0727264B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9502080 1995-02-17
FR9502080A FR2730652B1 (fr) 1995-02-17 1995-02-17 Procede et dispositif de realisation semi-automatique de reservoirs et de viroles

Publications (2)

Publication Number Publication Date
EP0727264A1 EP0727264A1 (fr) 1996-08-21
EP0727264B1 true EP0727264B1 (fr) 1998-04-22

Family

ID=9476423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960400137 Expired - Lifetime EP0727264B1 (fr) 1995-02-17 1996-01-22 Procédé et dispositif de réalisation semi-automatique de réservoirs et de viroles

Country Status (4)

Country Link
EP (1) EP0727264B1 (es)
DE (1) DE69600249T2 (es)
ES (1) ES2115416T3 (es)
FR (1) FR2730652B1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW430785B (en) * 1995-04-14 2001-04-21 Toshiba Corp Interactively broadcasting recording-media and its regeneration system
DE60105323T2 (de) 2001-04-27 2005-09-22 Société Holding Financière C.T. Sarl Verfahren und vorrichtung zur, vor ort, halbautomatischen herstellung von metallbehältern
CN112268536A (zh) * 2020-09-18 2021-01-26 中交天津港湾工程研究院有限公司 一种针对岛壁大直径薄壁钢圆筒的监测方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2746137A (en) * 1953-08-13 1956-05-22 John H Wiggins Method and mechanism for building tank side walls
DE2649839A1 (de) * 1976-10-29 1978-05-03 Garcia Salvador Garcia Verfahren zur herstellung von metallbehaeltern
JPS5691939A (en) * 1979-12-25 1981-07-25 Nippon Kokan Kk <Nkk> Production of circumferential barrel ring for construction of cylindrical storage tank
CA1153878A (en) * 1981-06-10 1983-09-20 Alex J. Morrison Method and apparatus for constructing cylindrical storage tanks
FR2551370B1 (fr) * 1983-09-06 1987-02-06 Coteau Const Soudees Procede et installation pour la fabrication de gros appareils cylindriques metalliques

Also Published As

Publication number Publication date
DE69600249D1 (de) 1998-05-28
DE69600249T2 (de) 1999-03-11
FR2730652B1 (fr) 1997-03-28
ES2115416T3 (es) 1998-06-16
EP0727264A1 (fr) 1996-08-21
FR2730652A1 (fr) 1996-08-23

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