EP2188075B1 - Maschine zum aufwickeln/abwickeln von schläuchen und verwandtes verfahren - Google Patents

Maschine zum aufwickeln/abwickeln von schläuchen und verwandtes verfahren 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
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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.)
Active
Application number
EP08786742.0A
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English (en)
French (fr)
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EP2188075A1 (de
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
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Danieli and C Officine Meccaniche SpA
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Publication of EP2188075A1 publication Critical patent/EP2188075A1/de
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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 OR PROFILES, 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 OR PROFILES, 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 OR PROFILES, 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 OR PROFILES, 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)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Moulding By Coating Moulds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Claims (14)

  1. Maschine zum Aufwickeln/Abwickeln zumindest eines Rohres (13) in einer vorbestimmten Richtung, umfassend
    ein Biegemittel (8), um ein erstes Ende des Rohres (13) zu biegen und dieses zu führen, um so eine Wicklung zu bilden,
    einen kreuzförmigen Aufbau (2), der ein Kreuz mit vier Armen definiert, wobei jeder der Arme mit einem Mittel zum Aufwickeln/Abwickeln der Wicklung versehen ist,
    eine Arbeitsstation (3, 4, 5, 6), die jedem der Arme entspricht und eine Aufwickelstation (3) und eine Abwickelstation (5) umfasst, wobei der kreuzförmige Aufbau zur Rotation um seine Längsachse (x) geeignet ist, wodurch das Aufwickel-/Abwickelmittel und das Biegemittel (8) von der Aufwickelstation (3) zu der Abwickelstation (5) bewegt werden,
    wobei das Aufwickel-/Abwickelmittel eine Trommel (7) umfasst, die zum Drehen um ihre Längsachse geeignet ist und mit einem Hohlraum (9) zur Aufnahme des ersten Endes des Rohres entsprechend einem Umfangsabschnitt davon versehen ist.
  2. Maschine nach Anspruch 1,
    wobei eines von dem Biegemittel (8), das zum Tragen eines zweiten Endes des Rohres, das auf die Trommel (7) gewickelt ist, und zum Wirken als eine Hilfe während des Abwickelns der Wicklung geeignet ist, integral an jeder Trommel (7) fixiert ist.
  3. Maschine nach Anspruch 2,
    mit einer Verjüngungsstation (4) in einer Zwischenposition zwischen der Aufwickel- (3) und Abwickel- (5)-Station, die mit einer automatischen Verjüngungseinheit (10) versehen ist, um das zweite Ende des Rohres zu verjüngen, die an einem Träger (11) positioniert ist, der eine Bewegung derselben von einer Warteposition zu einer Arbeitsposition zulässt.
  4. Maschine nach Anspruch 3,
    wobei an der Vorderseite der automatischen Verjüngungseinheit (10) eine automatische rückziehbare Vorrichtung (12) positioniert ist, die zum Rückstellen des Durchmessers des Rohres und zum Reinigen des Inneren des Rohres vor dem Verjüngungsarbeitsgang positioniert ist.
  5. Maschine nach einem der vorhergehenden Ansprüche,
    wobei in der Abwickelstation (5) Traktionsbaugruppen (15) vorgesehen sind, die zur automatischen Zufuhr geeignet sind, wobei das Rohr durch die entsprechende Trommel (7) und das Biegemittel (8) abgewickelt wird.
  6. Maschine nach einem der vorhergehenden Ansprüche,
    wobei auf dem Niveau der Aufwickel- (3) und Abwickel- (5)-Stationen erste Steuerungen (7', 7") und zweite Steuerungen (8', 8") unabhängig voneinander zum Betrieb der Trommeln (7) bzw. des Biegemittels (8) vorgesehen sind, wobei die ersten Steuerungen (7', 7") zum Übertragen einer Rotation auf die Trommeln (7) um ihre Achsen mittels eines Kettenübertragungssystems (14) geeignet sind, und Verbindungen zum Eingriff und zum Ausrücken der ersten und zweiten Steuerungen (7', 7", 8', 8") vorgesehen sind.
  7. Maschine nach einem der vorhergehenden Ansprüche,
    wobei eine Wartestation (6) zwischen der Abwickelstation (5) und der Aufwickelstation (3) oder zwischen der Aufwickelstation und der Verjüngungsstation vorgesehen ist.
  8. Prozess zum Aufwickeln/Abwickeln zumindest eines Rohres (13), das sich in einer vorbestimmten Richtung bewegt, mittels einer Aufwickel/Abwickelmaschine, die ein Biegemittel (8), um ein erstes Ende des Rohres (13) zu biegen und dieses zu führen, um so eine Wicklung zu bilden, und einen kreuzförmigen Aufbau (2) umfasst, der ein Kreuz mit vier Armen definiert, wobei jeder der Arme des kreuzförmigen Aufbaus mit einem Aufwickel/Abwickelmittel zum Aufwickeln/Abwickeln der Wicklung vorgesehen ist, wobei das Aufwickel/Abwickelmittel eine Trommel (7) umfasst, wobei der kreuzförmige Aufbau zur Rotation um seine Längsachse (X) geeignet ist, wodurch die Trommel von einer Aufwickelstation (3) zu einer Abwickelstation (5) bewegt wird, wobei der Prozess die folgenden Stufen umfasst:
    a) Biegen des Rohres mittels des Biegemittels (8) an dem Einlass zu einer Wickelstation (3);
    b) Einsetzen eines ersten Endes des Rohres in einen Aufnahmehohlraum (9), der in der Trommel (7) in der Aufwickelstation vorgesehen ist, um so das erste Ende während der Rotation der Trommel automatisch zu tragen, und Aufwickeln des Rohres auf die Trommel (7);
    c) eine erste Rotation des kreuzförmigen Aufbaus (2) um seine Längsachse (X), um die Trommel (7) und das Biegemittel (8) zu einer dazwischenliegenden Verjüngungsstation (4) zwischen der Aufwickel- (3) und Abwickel- (5)-Station zu bewegen, wobei ein zweites Ende des Rohres durch das Biegemittel (8) während der ersten Rotation getragen wird.
  9. Prozess nach Anspruch 8,
    wobei die Verjüngungsstation (4) für einen Verjüngungsarbeitsgang des zweiten Endes des Rohres (13) mittels einer automatischen Verjüngungseinheit (10) sorgt.
  10. Prozess nach Anspruch 9,
    umfassend nach dem Verjüngungsarbeitsgang eine zweite Rotation des kreuzförmigen Aufbaus (2) um seine Längsachse (X), um die Trommel (7) und das Biegemittel (8) zu der Abwickelstation (5) zu bewegen, wobei das zweite Ende des Rohres durch das Biegemittel (8) während der zweiten Rotation getragen wird und in der Abwickelstation (5) das Biegemittel (8) und die Trommel (7) in der Richtung zum Abwickeln der Wicklung gedreht werden, um das Rohr automatisch zu Traktionsbaugruppen (15) stromabwärts zuzuführen.
  11. Prozess nach Anspruch 10,
    wobei während des Abwickelns der Wicklung das erste Ende des Rohres automatisch durch den Aufnahmehohlraum (9) der Trommel (7) und durch das Biegemittel (8) getragen wird.
  12. Prozess nach Anspruch 11,
    umfassend nach dem Abwickelarbeitsgang eine dritte und eine vierte Rotation des kreuzförmigen Aufbaus (2), um die Trommel (7) bzw. das Biegemittel (8) zu einer Wartestation (6) und dann zu der Aufwickelstation (3) zu bewegen, um einen neuen Aufwickel/Abwickelzyklus zu beginnen.
  13. Prozess nach Anspruch 11,
    umfassend vor der ersten Rotation des kreuzförmigen Aufbaus (2) um seine Längsachse (X) eine dritte Rotation des Aufbaus (2), um die Trommel (7) und das Biegemittel (8) zu einer Wartestation (6) zu bewegen, und umfassend nach dem Abwickelarbeitsgang eine vierte Rotation des kreuzförmigen Aufbaus (2), um die Trommel (7) und das Biegemittel (8) zu der Aufwickelstation zu bewegen, um einen neuen Aufwickel/Abwickelzyklus zu beginnen.
  14. Prozess nach einem der Ansprüche 12 oder 13,
    wobei in der Verjüngungsstation (4), in der Wartestation (6) und während der Rotationen des kreuzförmigen Aufbaus (2) um seine Längsachse (X) das Biegemittel (8) und die Trommel (7) mittels jeweiliger unabhängiger Bremsen stillgehalten werden.
EP08786742.0A 2007-08-03 2008-08-01 Maschine zum aufwickeln/abwickeln von schläuchen und verwandtes verfahren Active EP2188075B1 (de)

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 (en) 2007-08-03 2008-08-01 Tube coiling/decoiling machine and relative process

Publications (2)

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

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08786742.0A Active EP2188075B1 (de) 2007-08-03 2008-08-01 Maschine zum aufwickeln/abwickeln von schläuchen und verwandtes verfahren

Country Status (5)

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EP (1) EP2188075B1 (de)
CN (1) CN101795787A (de)
BR (1) BRPI0814328A2 (de)
IT (1) ITMI20071609A1 (de)
WO (1) WO2009019210A1 (de)

Families Citing this family (3)

* 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

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 (de) * 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
ITMI20071609A1 (it) 2009-02-04
CN101795787A (zh) 2010-08-04
BRPI0814328A2 (pt) 2015-09-08
WO2009019210A1 (en) 2009-02-12
EP2188075A1 (de) 2010-05-26

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