EP2188075B1 - Machine d'enroulement/déroulement de tube et procédé associé - Google Patents

Machine d'enroulement/déroulement de tube et procédé associé Download PDF

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Publication number
EP2188075B1
EP2188075B1 EP08786742.0A EP08786742A EP2188075B1 EP 2188075 B1 EP2188075 B1 EP 2188075B1 EP 08786742 A EP08786742 A EP 08786742A EP 2188075 B1 EP2188075 B1 EP 2188075B1
Authority
EP
European Patent Office
Prior art keywords
coiling
station
decoiling
tube
drum
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.)
Not-in-force
Application number
EP08786742.0A
Other languages
German (de)
English (en)
Other versions
EP2188075A1 (fr
Inventor
Stefano Lodolo
Bruno Chiuch
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.)
Danieli and C Officine Meccaniche SpA
Original Assignee
Danieli and C Officine Meccaniche SpA
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 Danieli and C Officine Meccaniche SpA filed Critical Danieli and C Officine Meccaniche SpA
Publication of EP2188075A1 publication Critical patent/EP2188075A1/fr
Application granted granted Critical
Publication of EP2188075B1 publication Critical patent/EP2188075B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B21C47/18—Unwinding or uncoiling from reels or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/245—Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/32—Tongs or gripping means specially adapted for reeling operations
    • B21C47/323—Slits or pinces on the cylindrical wall of a reel or bobbin, adapted to grip the end of the material being wound

Definitions

  • the present invention refers to a metal tube coiling/decoiling machine, and the relative process, which can be used in particular downstream of the rolling plants.
  • a coil-ing/decoiling machine Downstream of the rolling mill for tubes, made of copper for example, a coil-ing/decoiling machine, not made public is normally positioned which has the function of winding the straight tube coming from the rolling mill into a coil, supporting the coil formed and subsequently unwinding it for the drawing processes downstream.
  • the winding thereof into coils reduces its overall dimensions.
  • the material of these tubes can be easily deformed as it has been annealed by the rolling process upstream.
  • Said coiling/decoiling machine has a cross-shaped structure provided with two or four coil supporting stations, each being equipped with two motorised rollers provided with grooves, with axes positioned horizontally supporting the entire weight of the coil.
  • the beginning of the tube passes through the bending unit at the coiling machine inlet and is bent to form the coil.
  • two or more supporting clamps are manually applied to prevent interference with the tip which would otherwise become detached at every turn of the coil. The winding continues until the rolling mill has completed the cycle and the end of the tube is cut as it has been deformed and is therefore non-conforming.
  • the machine is then rotated 180° in the case of a machine with two stations, or 90° in the case of a machine with four stations, and the tube is cleaned inside by means of a jet of air directed manually.
  • the end of the tube becomes the beginning of the coil for the following processes.
  • the beginning of the coil is prepared for the subsequent drawing operations with insertion of plug and oil inside the tube for drawing of the internal diameter and is squeezed, preferably-tapered, in order to pass through the die plate and be gripped by the traction assemblies downstream, comprising tracks or cam-type pulling benches or other.
  • JP6227598 discloses a coiling machine having a drum provided with a cavity for containing the first and of a tube.
  • the primary object of the present invention is to produce a tube coiling/decoiling machine, used in particular downstream of a rolling mill, which results in a significant increase in production rate by automating numerous operations, consequently reducing labour costs and improving operator safety.
  • a further object of the present invention is to provide a relative tube coiling/decoiling process which is more efficient and quicker than the conventional method.
  • a further object of the invention is to produce a tube coiling/decoiling machine which allows the coil to be supported without damaging the surface and the shape.
  • the present invention aims to achieve the above-mentioned objects by producing a coiling/deecoiling machine for at least one tube moving in a pre-determined direction in accordance with claim 1.
  • a process is provided for coiling/decoiling at least one tube moving in a pre-determined direction, via use of the above-mentioned coiling/decoiling machine in accordance with claim 8.
  • the coiling/decoiling machine allows automation of the following operations:
  • a further advantage of the device of the invention is represented by the fact that the machine has, on each arm of the cross-shaped structure, a drum with recess for containing the tube and provided with bending machine/curve aiding device and beginning and end of coil support, thus guaranteeing a high production rate for the entire tube production line.
  • a tube coiling/decoiling machine indicated overall by reference number 1, generally provided between a rolling mill (not illustrated) and traction assemblies downstream for the subsequent work processes, comprises a cross-shaped structure 2 and is provided with a work station corresponding to each arm of the cross.
  • each arm of the cross-shaped structure 2 there is a coil supporting drum 7, to which a bending machine 8 is integrally fixed below.
  • the cross-shaped structure 2 is suitable for rotating 90° around its axis X to move the drum 7 and bending machine 8 from one station to the other each time during a coiling/decoiling cycle.
  • the drums 7 are provided with a recess 9 to contain the beginning or tip of the tube coming from the rolling mill and appropriately bent by the bending machine 8.
  • This solution of using drums provided with containing recess permits elimination of the manual operation for application of the supporting clamps between the tip and the first coiled turn of the tube on the motorised rollers to prevent interference with the tip.
  • the recesses or cavities 9 of the drums 7 can be provided inside with means for locking and releasing the beginning of the tube coming from the rolling mill.
  • Said locking and releasing means are such as not to deform this end of the tube contained in the recess 9.
  • the bending machine 8 and drum 7 are motorised by means of respective independent controls 8', 8", 7' 7", engaged/disengaged by means of special joints and fixed on the ground both in the coiling station 3 and in the decoiling station 5, as illustrated in figures 1 and 3 .
  • the independent controls 7', 7" transmit the rotation to the drums 7 around their axes in the stations 3 and 5 by means of a chain transmission system 14 or other suitable system.
  • the bending machine 8 and drum 7 are provided with respective brakes, for example disc brakes, independent and mounted on board, so that they can be kept still in position during rotation of the cross-shaped structure and in the tapering station 4 and waiting station 6.
  • brakes for example disc brakes, independent and mounted on board
  • a shearing unit is provided (not illustrated) for cutting the beginning and end of the tube coming out of the rolling mill, as the material of these parts of the tube has been deformed during rolling.
  • the rolled tube can come from a warehouse.
  • the tapering station 4 is advantageously provided with an automatic tapering unit 10 mounted on a carriage 11 which permits movement thereof to the work position.
  • a further advantage is represented by the fact that on the front of the automatic tapering unit 10 a retractable automatic device 12 is fitted for restoring the internal diameter of the tube deformed by the shearing unit and for internal cleaning of the tube.
  • the rolling mill processes the tube 13 having a length greater, for example, than 100 metres, in a straight form.
  • the tip of the tube When it comes out of the rolling mill, the tip of the tube, after being cut by the shearing unit, passes through the bending machine 8 at the inlet to the coiling station 3 of the machine 1 and is bent to form the coil on the drum 7.
  • the tip of the tube is inserted by the bending machine 8, operated by the relative control 8', into the containing recess 9, provided in the drum 7, and is automatically supported during rotation of the drum around its axis controlled by the relative independent control 7'.
  • the cross-shaped structure rotates 90°, moving the coil to the tapering station 4.
  • the end of the tube 13 is supported during rotation of the bending unit 8 and now becomes the tip or beginning of the tube coil for the processes downstream.
  • the retractable automatic device 12 on the front of the automatic tapering unit 10 is initially in line with the tube 13.
  • the tapering unit 10 moves forward to the work position and positions itself in contact with the tube so that the device 12 can restore the diameter of the tube and clean it inside.
  • the tapering unit 10 withdraws again to the waiting position and the cross-shaped structure 2 rotates 90°, thereby moving the coil to the unwinding station 5. During rotation, the tip or beginning of the tube coil is supported by the bending unit 8.
  • the bending unit 8 and drum 7 are operated again by the respective independent controls 8", 7" fixed on the ground and engaged/disengaged by means of special joints.
  • the bending unit and drum rotated in the coil unwinding direction, automatically feed the tube to the traction assemblies 15 downstream, comprising tracks or cam-type pull benches or other.
  • the tube 13 is then gripped and drawn at speed in a drawing machine 16 and the end of the coil is automatically supported by the recess 9 of the drum and by the bending unit 8.
  • the cross-shaped structure 2 rotates again 90°, moving the drum 7 and the relative bending unit 8 to the waiting station 6. At this point the machine waits for the next 90° rotation to begin a new coiling/decoiling cycle.
  • the waiting station can be located between the coiling station and the tapering station. This configuration provides a tube coil unwinding direction perpendicular to the rolling direction.
  • the process of the invention provides for the cross-shaped structure to rotate 90°, moving the coil to the waiting station. This is followed by three successive 90° rotations of the cross-shaped structure 2 to move the drum 7 and bending unit 8 to the tapering station, to the decoiling station and to the coiling station respectively to begin a new coiling/decoiling cycle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Moulding By Coating Moulds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (14)

  1. Machine pour bobiner/débobiner au moins un tube (13) dans une direction prédéterminée, comprenant :
    des moyens de flexion (8) pour fléchir une première extrémité du tube (13) et la guider afin de former une bobine,
    une structure cruciforme (2) définissant une croix avec quatre bras dans laquelle chacun desdits bras est pourvu de moyens pour bobiner/débobiner ladite bobine, un poste de travail (3, 4, 5, 6)) correspondant à chacun desdits bras et comprenant un poste de bobinage (3) et un poste de débobinage (5), ladite structure cruciforme étant appropriée pour tourner autour de son axe longitudinal (X), déplaçant ainsi lesdits moyens de bobinage/débobinage et lesdits moyens de flexion (8) du poste de bobinage (3) au poste de débobinage (5),
    dans laquelle lesdits moyens de bobinage/débobinage comprennent un tambour (7), approprié pour tourner autour de son axe longitudinal, pourvu d'une cavité (9) pour contenir ladite première extrémité du tube correspondant à une partie périphérique de celle-ci.
  2. Machine selon la revendication 1, dans laquelle un desdits moyens de flexion (8), approprié pour supporter une seconde extrémité du tube bobiné sur le tambour (7) et pour servir d'aide durant le déroulement de la bobine, est fixé de façon intégrée à chaque tambour (7).
  3. Machine selon la revendication 2, comprenant une poste de conification (4), dans une position intermédiaire entre les postes de bobinage (3) et de débobinage (5), pourvu d'une unité de conification automatique (10) pour conifier la seconde extrémité du tube, positionnée sur un chariot (11) qui permet le mouvement de celle-ci d'une position d'attente à une position de travail.
  4. Machine selon la revendication 3, dans laquelle sur l'avant l'unité de conification automatique (10) un dispositif rétractable automatique (12) est positionné, approprié pour restaurer le diamètre du tube et nettoyer l'intérieur du tube avant l'opération de conification.
  5. Machine selon une quelconque des revendications précédentes, dans laquelle, dans ledit poste de débobinage (5), des ensembles de traction (15) sont prévus, appropriés pour être automatiquement alimentés en tube débobiné par le tambour (7) et les moyens de flexion (8) correspondants.
  6. Machine selon une quelconque des revendications précédentes, dans laquelle au niveau desdits postes de bobinage (3) et de débobinage (5), des premières commandes (7', 7") et des secondes commandes (8', 8") sont prévues, indépendantes les unes des autres, pour actionner les tambours (7) et les moyens de flexion (8) respectivement, lesdites premières commandes (7', 7") étant appropriées pour transmettre une rotation aux tambours (7) autour de leurs axes au moyen d'un système de transmission par chaîne (14), et des joints sont prévus pour mettre en prise et séparer lesdites premières et secondes commandes (7', 7", 8', 8").
  7. Machine selon une quelconque des revendications précédentes, dans laquelle un poste d'attente (6) est prévu entre le poste de débobinage (5) et le poste de bobinage (3) ou entre le poste de bobinage et le poste de conification.
  8. Procédé pour bobiner/débobiner au moins un tube (13) se déplaçant dans une direction prédéterminée, au moyen d'une machine de bobinage/débobinage comprenant des moyens de flexion (8) pour fléchir une première extrémité du tube (13) et la guider afin de former une bobine, et une structure cruciforme (2) définissant une croix avec quatre bras, dans lequel chacun desdits bras de ladite structure cruciforme est pourvu de moyens de bobinage/débobinage pour bobiner/débobiner ladite bobine, lesdits moyens de bobinage/débobinage comprenant un tambour (7), ladite structure cruciforme étant appropriée pour tourner autour de son axe longitudinal (X), déplaçant ainsi ledit tambour d'un poste de bobinage (3) à un poste de débobinage (5), ledit procédé comprenant les étapes suivantes :
    a) la flexion du tube au moyen desdits moyens de flexion (8) à l'entrée d'un poste de bobinage (3);
    b) l'insertion d'une première extrémité du tube dans une cavité de confinement (9) prévue dans le tambour (7) dans ledit poste de bobinage, afin de supporter automatiquement ladite première extrémité durant la rotation du tambour, et le bobinage du tube sur ledit tambour (7);
    c) une première rotation de la structure cruciforme (2) autour de son axe longitudinal (X) pour déplacer ledit tambour (7) et lesdits moyens de flexion (8) jusqu'à un poste de conification intermédiaire (4) entre les postes de bobinage (3) et de débobinage (5), une seconde extrémité du tube étant supportée par lesdits moyens de flexion (8) durant ladite première rotation.
  9. Procédé selon la revendication 8, dans lequel ledit poste de conification (4) fournit une opération de conification de ladite seconde extrémité du tube (13) au moyen d'une unité de conification automatique (10).
  10. Procédé selon la revendication 9 comprenant, après l'opération de conification, une deuxième rotation de la structure cruciforme (2) autour de son axe longitudinal (X) pour déplacer ledit tambour (7) et lesdits moyens de flexion (8) jusqu'au poste de débobinage (5), la seconde extrémité du tube étant supportée par lesdits moyens de flexion (8) durant ladite deuxième rotation et, dans ledit poste de débobinage (5), les moyens de flexion (8) et le tambour (7) sont tournés dans le sens de déroulement de bobine afin de distribuer automatiquement le tube à des ensembles de traction (15) en aval.
  11. Procédé selon la revendication 10, dans lequel, durant le déroulement de la bobine, la première extrémité du tube est automatiquement supportée par la cavité de confinement (9) du tambour (7) et par les moyens de flexion (8).
  12. Procédé selon la revendication 11 comprenant, après l'opération de débobinage, des troisième et quatrième rotations de la structure cruciforme (2) pour déplacer ledit tambour (7) et lesdits moyens de flexion (8) respectivement jusqu'à un poste d'attente (6) et puis jusqu'au poste de bobinage (3) pour commencer un nouveau cycle de bobinage/débobinage.
  13. Procédé selon la revendication 11 comprenant, avant la première rotation de la structure cruciforme (2) autour de son axe longitudinal (X), une troisième rotation de ladite structure (2) pour déplacer le tambour (7) et les moyens de flexion (8) jusqu'à un poste d'attente (6) et comprenant, après l'opération de débobinage, une quatrième rotation de la structure cruciforme (2) pour déplacer le tambour (7) et les moyens de flexion (8) jusqu'au poste de bobinage pour commencer un nouveau cycle de bobinage/débobinage.
  14. Procédé selon la revendication 12 ou 13, dans lequel, dans ledit poste de conification (4), dans ledit poste d'attente (6) et durant les rotations de la structure cruciforme (2) autour de son axe longitudinal (X), les moyens de flexion (8) et le tambour (7) sont maintenus immobiles au moyen de freins indépendants respectifs.
EP08786742.0A 2007-08-03 2008-08-01 Machine d'enroulement/déroulement de tube et procédé associé Not-in-force EP2188075B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20071609 ITMI20071609A1 (it) 2007-08-03 2007-08-03 Macchina di avvolgimento/svolgimento tubi e relativo processo
PCT/EP2008/060122 WO2009019210A1 (fr) 2007-08-03 2008-08-01 Machine d'enroulement/déroulement de tube et procédé associé

Publications (2)

Publication Number Publication Date
EP2188075A1 EP2188075A1 (fr) 2010-05-26
EP2188075B1 true EP2188075B1 (fr) 2013-06-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08786742.0A Not-in-force EP2188075B1 (fr) 2007-08-03 2008-08-01 Machine d'enroulement/déroulement de tube et procédé associé

Country Status (5)

Country Link
EP (1) EP2188075B1 (fr)
CN (1) CN101795787A (fr)
BR (1) BRPI0814328A2 (fr)
IT (1) ITMI20071609A1 (fr)
WO (1) WO2009019210A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101905254B (zh) * 2010-07-16 2012-06-27 宝钢苏冶重工有限公司 一种扇形板毛坯的落料方法
CN102699948B (zh) * 2012-05-28 2014-12-03 武汉金牛经济发展有限公司 一种用于盘管生产的管材储存装置
CN105772534B (zh) * 2014-12-26 2017-11-28 宝钢工程技术集团有限公司 内圈带折头钢卷自动上卷装置及其使用方法
US12272562B2 (en) 2021-12-17 2025-04-08 L'Aire Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Oxygen and iodine-containing hydrofluorocarbon compound for etching semiconductor structures
US12188123B2 (en) 2021-12-17 2025-01-07 American Air Liquide, Inc. Deposition of iodine-containing carbon films

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640112A (en) * 1969-05-12 1972-02-08 Republic Steel Corp Coiling method and apparatus
JPS5517655B2 (fr) * 1974-02-25 1980-05-13
JPS62275980A (ja) * 1986-05-23 1987-11-30 Mirai Ind Co Ltd 管の巻取ドラム
DE10034633A1 (de) * 2000-07-17 2002-01-31 Sms Demag Ag Vorrichtung zur Aufnahme und zum Weitertransport von, aus einer Bandwalzstraße oder einem Walzbandlager heran transportierten Walzbandbunden
ITUD20040008A1 (it) * 2004-01-19 2004-04-19 Danieli Off Mecc Procedimento e dispositivo di rocchettatura di prodotti lunghi, laminati o trafilati

Also Published As

Publication number Publication date
EP2188075A1 (fr) 2010-05-26
CN101795787A (zh) 2010-08-04
WO2009019210A1 (fr) 2009-02-12
BRPI0814328A2 (pt) 2015-09-08
ITMI20071609A1 (it) 2009-02-04

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