EP1448323B1 - Vorrichtung zur herstellung eines rohres - Google Patents
Vorrichtung zur herstellung eines rohres Download PDFInfo
- Publication number
- EP1448323B1 EP1448323B1 EP02781267A EP02781267A EP1448323B1 EP 1448323 B1 EP1448323 B1 EP 1448323B1 EP 02781267 A EP02781267 A EP 02781267A EP 02781267 A EP02781267 A EP 02781267A EP 1448323 B1 EP1448323 B1 EP 1448323B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- unit
- pipe
- rolling unit
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000003466 welding Methods 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 description 14
- 238000005452 bending Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
-
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
Definitions
- the invention relates to a device for producing a cross-sectionally polygonal, preferably rectangular, tube, which is a tube welding unit in which formed from a flat metal band, the tube and this is welded to the resulting seam, and one of the Pipe welding unit in the conveying direction of the tube subsequent rolling unit, the tube substantially in the desired, polygonal in cross-section Contour rolls, wherein the rolling unit in the conveying direction of the tube a Subordinate crowning roller unit, which is for at least two opposite Pipe sides of the tube has convex convex rollers, as by GB-A-878713 has become known.
- DE-AS 12 89 814 describes how a tube is formed from a metal strip which is fed to a pipe welding system. To complete the tube, the tubular metal band must be welded to the resulting seam.
- DE-OS 19 23 241 and in DE 32 12 365 C2 this structural details for the design of the required rollers that hold the tube during welding, as well as the control of the welding beam.
- the invention is therefore based on the object, a device of the above so-called type so that eliminates the disadvantages described become.
- the invention therefore aims to avoid that the precision and efficiency of the straightening process suffers when in addition to the straightening additional Forces acting on the pipe, mainly from the Bombier rolling process are expected. So that this process does not disturb the straightening process, the Bombing unit "floating" trained, the crowning rolls are therefore depending on the pipe deflection - due to the straightening of the pipe - without load following the pipe deflection following. In an advantageous way that has manufactured polygonal or rectangular tube exactly the desired contour; undesirable bulging pages are no longer available.
- the means for guiding the crowning roller unit preferably have at least a moving unit with which the brading unit transverse to Can be moved longitudinally of the tube.
- this means is a control loop consisting of at least one sensor, a regulation and at least one movement unit.
- an electric actuator can be provided be, in particular such with an electric motor and a transmission.
- a gear a threaded spindle for linear movement of the rollers be provided.
- a movement unit and a hydraulic Actuator be used, in particular a piston-cylinder system.
- Adjusting means are provided, with which the radial distance of the crowning rollers can be adjusted.
- the means for guiding the crowning roller unit can be the rollers move relative to a stationary Bombier roll stand or roller stand.
- the crowning roller unit at least has two pairs of rollers whose axes for rolling the rectangular tube are arranged at right angles rotated relative to each other.
- a device 1 is shown schematically, on the one Rectangular tube 2 is made.
- the device 1 is from the left - in the conveying direction R - a flat metal strip 19 supplied.
- This is not shown in detail, known way to a circular cross-section tube bent, which is welded in the pipe welding unit 3, d. H. the bent to the pipe Metal band becomes at the resulting seam by means of only very welded welder 20 shown welded.
- the tube 2 is guided by the rollers 21.
- the rolling unit 4 is provided, consisting of several - in Fig. 1 consists of two - Kalibrierwalzüen which are arranged one behind the other in the conveying direction R.
- Two cooperating ones Calibration roller pairs 22, 23, 22 'and 23' gradually shape to the end the rolling unit 4, the desired rectangular profile, which in Fig. 1 again is indicated schematically. In the exemplary embodiment, this is done by four pairs of rollers 22, 23, 22 'and 23', which are each rotated by 90 °.
- the straightening unit 10 in the present case consists of an element that is largely perpendicular to the longitudinal axis L of the tube 2 exert a force on the tube can. As can be seen in Fig. 1, the tube 2 is thereby perpendicular to Direction of flow R deflected.
- Kalibriergerüste Since the tube 2 through the pairs of rollers 22 and 23 'of the (considered in the conveying direction R last) Kalibriergerüste is held, becomes during the deflection of the tube 2 by the straightening unit 10 a bending deformation induced in the tube 2, which counteracts the bending already contained in the tube is.
- the tube is thus “straightened".
- the straightening process takes place in the two axes, which are perpendicular to the longitudinal direction L of the tube. 2 (in Fig. 1, only the bend is shown around the one axis). Farther the straightening process is carried out automatically, although in Fig. 1 this no detailed representation is included.
- the straightening process corresponds to the general one State of the art.
- Fig. 2 is shown schematically that the straightening unit 10 also consists of several Pressing elements 10a, 10b, 10c may consist, the forces perpendicular to ideal longitudinal axis L can exert on the tube 2, to counter it in the Bend pipe to bend and thus straighten.
- the of the Pressing elements 10a, 10b, 10c forces exerted are schematically by Arrows indicated. Again, the bend is shown only about one axis; as well, the tube 2 can also be bent about an axis perpendicular thereto and thereby also be directed in this axis.
- FIG. 1 It is shown in FIG. 1 to a rolling unit, the between Roller unit 4 and straightening unit 10 is arranged. According to Fig. 2, the crowning roller unit 5 but also be arranged in the region of the straightening unit 10.
- the brading unit 5 has two beating rollers 8 and 9, each one have spherical, convex shape.
- the tube sides 6 and 7 are concave rolled.
- the crown of the Crowning rollers 8, 9 empirically or by calculations - chosen so that the concavity induced by the rollers 8, 9 in the tube 2 is so great that she balances with the bulge of the pipe sides 6, 7. Total results so that a precisely straight contour of the pipe sides 6 and 7, as desired is.
- means 11 for guiding the crowning roller unit 5 are vertical provided to the longitudinal axis L of the tube 2. These agents act it is a sensor 14 for receiving the current (vertical) deflection of the pipe 2 from the ideal line 24 (see Fig. 1) and a moving unit 12 for vertically moving the crowning rollers 8, 9. Sensor 14 and Moving unit 12 are connected to each other via a controller 16. provides the sensor 14, a deflection of the tube 2 fixed by the ideal line 24, causes the scheme that the crowning rolls 8, 9 relative to their stationary Bombier roll stand 18 are moved vertically, so that from the rollers 8, 9 no forces perpendicular to the longitudinal axis L forces are transmitted to the tube 2. The straightening process can thus be genuine and thus efficient.
- the movement of the crowning rolls 8, 9 takes place in two axes: It is both a sensor 14 for receiving the vertical deflection of the tube 2 and a sensor 15 for receiving the horizontal Deflection provided.
- the control 16 controls, starting from the of the Sensors 14 and 15 recorded values, two moving units 12th and 13, so that the crowning rollers 8, 9 both vertical and at horizontal deflections are tracked.
- the force exerted by the crowning rolls 8, 9 on the pipe is controlled by adjusting means 17 (see Fig. 3) given. These represent the two rollers 8 and 9 relative to each other radially.
- FIG. 4 In the embodiment of FIG. 4 is therefore seen that a bombing Rolling of the rectangular tube also on all four sides 6, 6 ', 7, 7' of the tube. 2 can be done.
- the tube 2 is in the illustrated case of a total of four crowning rollers 8, 9th and 8 ', 9' contacted; all tube sides 6, 7 and 6 ', 7' are thereby concave rolled. It is again shown schematically that the crowning rolls 8, 9, 8 ', 9' relative to the stationary Bombier roll stand or roller stand 18 according to the current pipe deflection be tracked.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Laminated Bodies (AREA)
Description
- Fig. 1
- schematisch den Aufbau einer Vorrichtung zur Herstellung eines Rechteckrohres,
- Fig. 2
- ein geringfügig abgewandelter Aufbau der Vorrichtung gemäß Fig. 1,
- Fig. 3
- den Schnitt durch eine Bombierwalzeneinheit in Förderrichtung des Rohres und
- Fig. 4
- eine alternative Ausgestaltung zu Fig. 3.
- 1
- Vorrichtung zur Herstellung eines Rohrs
- 2
- Rohr
- 3
- Rohrschweißeinheit
- 4
- Walzeinheit
- 5
- Bombierwalzeneinheit
- 6
- Rohrseite
- 7
- Rohrseite
- 6'
- Rohrseite
- 7'
- Rohrseite
- 8
- Bombierwalze (Oberwalze)
- 9
- Bombierwalze (Unterwalze)
- 8'
- Bombierwalze
- 9'
- Bombierwalze
- 10
- Richteinheit
- 10a
- Drückelement
- 10b
- Drückelement
- 10c
- Drückelement
- 11
- Mittel zur Führung der Bombierwalzeneinheit 5
- 12
- vertikale Bewegungseinheit
- 13
- horizontale Bewegungseinheit
- 14
- Vertikal-Sensor
- 15
- Horizontal-Sensor
- 16
- Regelung
- 17
- Einstellmittel
- 18
- Bombier-Walzgerüst
- 19
- Metallband
- 20
- Schweißgerät
- 21
- Walzen
- 22
- Kalibrierwalze
- 23
- Kalibrierwalze
- 22'
- Kalibrierwalze
- 23'
- Kalibrierwalze
- 24
- Ideallinie
- R
- Förderrichtung
- L
- Längsrichtung des Rohres 2
Claims (9)
- Vorrichtung (1) zur Herstellung eines im Querschnitt polygonförmigen, vorzugsweise rechteckigen, Rohres (2), die eine Rohrschweißeinheit (3) aufweist, in der aus einem flächigen Metallband das Rohr (2) geformt und dieses an der sich ergebenden Nahtstelle verschweißt wird, sowie eine sich der Rohrschweißeinheit (3) in Förderrichtung (R) des Rohres (2) anschließende Walzeinheit (4), die das Rohr (2) im wesentlichen in die gewünschte, im Querschnitt polygonförmige Kontur walzt, wobei der Walzeinheit (4) in Förderrichtung (R) des Rohres (2) eine Bombierwalzeneinheit (5) nachgeordnet ist, die für zumindest zwei sich gegenüberliegende Rohrseiten (6, 7) des Rohres (2) ballig konvexe Walzen (8, 9) aufweist,
dadurch gekennzeichnet, dass die Bombierwalzeneinheit (5) Mittel (11) aufweist, die dazu geeignet sind, die Bombierwalzeinheit in einer Richtung quer zur Längsrichtung (L) des Rohres (2) so der Rohrauslenkung folgend zu führen, dass sie auf das Rohr (2) keine oder nur minimale Kräfte ausübt, die das Rohr quer zu seiner Längsachse ablenken könnten. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass die Mittel (11) zur Führung der Bombierwalzeneinheit (5) mindestens eine die Bombierwalzeneinheit (5) quer zur Längsrichtung (L) des Rohres (2) bewegende Bewegungseinheit (12, 13) aufweisen. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die Mittel (11) einen Regelkreis aufweisen, bestehend aus mindestens einem Sensor (14, 15), einer Regelung (16) und mindestens einer Bewegungseinheit (12, 13). - Vorrichtung nach Anspruch 2 oder 3,
dadurch gekennzeichnet, dass die Bewegungseinheit (12, 13) ein elektrisches Betätigungselement ist. - Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet, dass die Bewegungseinheit (12, 13) einen Elektromotor und ein Getriebe aufweist. - Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass das Getriebe eine Gewindespindel zur linearen Bewegung der Walzen (8, 9) aufweist. - Vorrichtung nach Anspruch 2 oder 3,
dadurch gekennzeichnet, dass die Bewegungseinheit (12, 13) ein hydraulisches Betätigungselement ist. - Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet, dass das Betätigungselement ein Kolben-Zylinder-System ist. - Vorrichtung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass die Mittel (11) zur Führung der Bombierwalzeneinheit (5) die Walzen (8, 9) relativ zu einem ortsfesten Bombier-Walzgerüst bzw. -Walzenständer (18) bewegen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10153144 | 2001-10-27 | ||
DE10153144A DE10153144C1 (de) | 2001-10-27 | 2001-10-27 | Vorrichtung zur Herstellung eines Rohres |
PCT/EP2002/011665 WO2003045601A1 (de) | 2001-10-27 | 2002-10-18 | Vorrichtung zur herstellung eines rohres |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1448323A1 EP1448323A1 (de) | 2004-08-25 |
EP1448323B1 true EP1448323B1 (de) | 2005-07-06 |
Family
ID=7703969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02781267A Expired - Lifetime EP1448323B1 (de) | 2001-10-27 | 2002-10-18 | Vorrichtung zur herstellung eines rohres |
Country Status (8)
Country | Link |
---|---|
US (1) | US7748597B2 (de) |
EP (1) | EP1448323B1 (de) |
JP (1) | JP3860810B2 (de) |
AT (1) | ATE299053T1 (de) |
AU (1) | AU2002349367A1 (de) |
DE (2) | DE10153144C1 (de) |
ES (1) | ES2243769T3 (de) |
WO (1) | WO2003045601A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112676403A (zh) * | 2020-12-04 | 2021-04-20 | 哈尔滨工业大学 | 一种带校形功能的推弯装置及其工作方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8863565B2 (en) * | 2005-03-03 | 2014-10-21 | Nippon Steel & Sumitomo Metal Corporation | Three-dimensionally bending machine, bending-equipment line, and bent product |
DE102005022244B4 (de) * | 2005-05-13 | 2007-07-19 | Eroform Edelstahl Gmbh | Führungs- und Verformungssystem, dessen Verwendung sowie Verfahren zur Herstellung von geschweißten Rohren |
IT1394852B1 (it) * | 2009-07-21 | 2012-07-20 | Olimpia 80 Srl | Macchina a geometria lineare variabile per formare in continua tubi quadri |
ES2682349T3 (es) | 2010-09-23 | 2018-09-20 | Shape Corp. | Aparato y método para formar una viga tubular con una única pata central |
US9126257B2 (en) | 2011-04-04 | 2015-09-08 | Batesville Services, Inc. | Method of forming sheet metal casket shell |
US9046354B2 (en) * | 2013-02-27 | 2015-06-02 | Summit Esp, Llc | Apparatus, system and method for measuring straightness of components of rotating assemblies |
CN103965926B (zh) * | 2014-05-13 | 2015-12-30 | 攀钢集团西昌钢钒有限公司 | 捣固锤在线校正装置及方法 |
TWM595548U (zh) * | 2020-01-16 | 2020-05-21 | 詠基工業股份有限公司 | 管件整直結構 |
CN112718927A (zh) * | 2020-12-03 | 2021-04-30 | 天津亿利通工贸有限公司 | 一种钢管生产用管坯板边内凹矫正设备 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1289814B (de) * | 1969-02-27 | |||
GB878713A (en) | 1960-03-09 | 1961-10-04 | Continental Can Co | Can body and method of forming same |
FR1450279A (fr) | 1965-10-19 | 1966-05-06 | Perfectionnements aux appareils de conformation de tubes | |
DE1923241A1 (de) | 1969-05-07 | 1970-11-19 | Demag Ag | Vorrichtung zum kontinuierlichen Laengsnahtschweissen von Rohren |
US3636903A (en) * | 1970-02-19 | 1972-01-25 | Snappy Inc | Rectangular-duct forming machine |
DE7211073U (de) * | 1971-05-11 | 1974-07-25 | Voeest Ag | Vorrichtung zum Herstellen von Einnahtformrohren |
JPS5510349A (en) * | 1978-07-07 | 1980-01-24 | Nakajima:Kk | Production of large-diameter square steel tube |
DE3212365C2 (de) * | 1982-03-31 | 1984-06-07 | Mannesmann AG, 4000 Düsseldorf | Schweißrollenbock für das Hochfrequenzschweißen von Rohren |
DE3529160A1 (de) * | 1985-08-14 | 1987-02-26 | Nippon Steel Corp | Formwalzvorrichtung |
JPH0729147B2 (ja) * | 1988-09-09 | 1995-04-05 | 日新製鋼株式会社 | 薄肉金属管の製造方法 |
AT399674B (de) * | 1992-08-03 | 1995-06-26 | Voest Alpine Ind Anlagen | Vorrichtung zum kontinuierlichen umformen eines metallischen rohres |
US5309746A (en) * | 1993-01-28 | 1994-05-10 | Abbey Etna Machine Company | Automatic tube straightening system |
US5802903A (en) * | 1997-01-28 | 1998-09-08 | Nakajima Steel Pipe Co., Ltd | Manufacturing method for angled steel pipes |
US5868299A (en) * | 1997-05-05 | 1999-02-09 | Abbey Etna Machine Company | Method and apparatus for maintaining seam alignment in seam welded tubes |
-
2001
- 2001-10-27 DE DE10153144A patent/DE10153144C1/de not_active Expired - Fee Related
-
2002
- 2002-10-18 DE DE50203594T patent/DE50203594D1/de not_active Expired - Lifetime
- 2002-10-18 AT AT02781267T patent/ATE299053T1/de active
- 2002-10-18 WO PCT/EP2002/011665 patent/WO2003045601A1/de active IP Right Grant
- 2002-10-18 US US10/494,413 patent/US7748597B2/en not_active Expired - Fee Related
- 2002-10-18 ES ES02781267T patent/ES2243769T3/es not_active Expired - Lifetime
- 2002-10-18 JP JP2003547091A patent/JP3860810B2/ja not_active Expired - Fee Related
- 2002-10-18 EP EP02781267A patent/EP1448323B1/de not_active Expired - Lifetime
- 2002-10-18 AU AU2002349367A patent/AU2002349367A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112676403A (zh) * | 2020-12-04 | 2021-04-20 | 哈尔滨工业大学 | 一种带校形功能的推弯装置及其工作方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2005510361A (ja) | 2005-04-21 |
DE10153144C1 (de) | 2003-05-28 |
WO2003045601A1 (de) | 2003-06-05 |
AU2002349367A1 (en) | 2003-06-10 |
ES2243769T3 (es) | 2005-12-01 |
US20050082345A1 (en) | 2005-04-21 |
ATE299053T1 (de) | 2005-07-15 |
DE50203594D1 (de) | 2005-08-11 |
EP1448323A1 (de) | 2004-08-25 |
US7748597B2 (en) | 2010-07-06 |
JP3860810B2 (ja) | 2006-12-20 |
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