EP2602031B1 - Laminoir à cylindres obliques coniques pour la fabrication de tubes sans soudure - Google Patents

Laminoir à cylindres obliques coniques pour la fabrication de tubes sans soudure Download PDF

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Publication number
EP2602031B1
EP2602031B1 EP20120008068 EP12008068A EP2602031B1 EP 2602031 B1 EP2602031 B1 EP 2602031B1 EP 20120008068 EP20120008068 EP 20120008068 EP 12008068 A EP12008068 A EP 12008068A EP 2602031 B1 EP2602031 B1 EP 2602031B1
Authority
EP
European Patent Office
Prior art keywords
conical rolls
mill
roll stand
rolling
roll
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
EP20120008068
Other languages
German (de)
English (en)
Other versions
EP2602031A1 (fr
Inventor
Walter Höffgen
Thomas Leisten
Manfred Leferink
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.)
SMS Group GmbH
Original Assignee
SMS Meer GmbH
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Filing date
Publication date
Application filed by SMS Meer GmbH filed Critical SMS Meer GmbH
Publication of EP2602031A1 publication Critical patent/EP2602031A1/fr
Application granted granted Critical
Publication of EP2602031B1 publication Critical patent/EP2602031B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing

Definitions

  • the invention relates to a conical cross rolling mill for producing seamless tubes, designed as Diescherwalzwerk with two arranged in an anchored on the foundation mill stand driven tapered rollers and two driven guide or Diescheremian.
  • a rolling mill of this kind is by the EP 1 151 808 B1 become known, there in a scaffold stand construction of modular units.
  • the two tapered rollers are each provided on a Diescherusionnschlitten Diescher- or guide discs, also called disk rollers assigned. These guide or Diescherusionn close as quasi-rotating rulers the lateral roll gap between the upper and lower tapered roller.
  • the rolling mill frame consists of two spaced apart portal frames, which are connected to a lower cross frame and above by means of a crosshead. The crosshead is displaceable for rolling removal and installation in guides between the portal frame.
  • the known two-roll cross-rolling mills with an upper and a lower tapered roller bring a complex, time-consuming roll change with it. Because it must first be moved laterally the crosshead, and then successively by crane to lift the tapered rollers from the rolling stand.
  • the peripheral plant components do not allow any process on both sides of the framework or portal frame, so that a simultaneous roll change is not possible. Rather, it always happens one after the other, never parallel in time.
  • a rolling mill which has barrel rolls as work rolls.
  • the barrel rollers are arranged folded against each other under a vertical spread angle.
  • the invention is therefore an object of the invention to provide a cone slanting mill of the type mentioned that allows in a simplified design in particular a quick installation and removal for changing the tapered rollers.
  • tapered rollers are provided symmetrically to the roll axis horizontally at a spread angle to the rolling stock exit side adjacent to each other in the rolling mill, each with respect to the rolling axis parallel rolling stand side with a built-in window for receiving a chock of the tapered rollers and these rolling stand sides assigned Guide stands of Walzenanstellstoff the tapered rollers bearing, raised and lowered scaffold-side end caps is formed.
  • both tapered rollers can change at the same time, namely pull out of their banners each orthogonal to the rolling axis to the outside.
  • the present invention horizontally juxtaposed roller assembly also allows large roll expansion angle, which allows Umformtechnische advantages because, for example, larger pipe outside diameters are possible.
  • superimposed roller arrangement are large spreading angle (> 20 °) because of the inevitable accompanying, increased height of the rolling mill drive not to realize.
  • Another advantageous embodiment of the invention provides in the rolling mill vertically, one above and one below, arranged Diescheraminticianen. This contributes to the fact that there is enough space for simultaneous roll change in the area of the hut corridor to the right and left of the rolling axis or next to the rolling stand.
  • FIG. 1 shown rolling stand 1 is on the bottom plates 2 in the foundation 3 (see also Fig. 2 and 3 ) attached.
  • the schematic Fig. 2 shows the rolling stand 1 converted to a cone slanting mill 7 from the rolling stock exit side and shows that in the operating position shown the two tapered rollers 6a, 6b mounted in chocks 8, with their drive connection means 9 in the drawing plane, are arranged horizontally next to each other, symmetrically to the rolling axis or center 4 under a large spread angle, ie diverging towards the outlet side of the rolling stock.
  • Right and left of the rolling axis 4 are door frame-like guide post 10a, 10b mounted on the rolling mill 1.
  • Each guide post 10a, 10b receives a roll stopper 11 for the tapered rollers 6a, 6b carrying rail-mounted end cover 12a, 12b.
  • the conical cross rolling mill 7 is completed by an upper and a lower Diescherierintician 14a, 14b with in these vertically arranged Diescheremian 15a, 15b (see. Fig. 3 ). Furthermore, the shows Fig. 2 the upper and lower Diescherierinantrieb 16 a and 16 b.
  • the Diescherusionnticianen 14a, 14b can be folded away by means of swivel cylinders 17a, 17b up or down of the rolling mill 1.
  • the Fig. 3 shows the cone slanting mill 7 in the change position of the tapered rollers 6a, 6b.
  • the left-side lifting cylinder 13a has lowered the scaffold-side end cover 12a and the right-side lifting cylinder 13b has lifted the local scaffold-side end cover 12b, so that the left and right-hand access to the chocks 8 with the tapered rollers 6a, 6b for simultaneous and automatic retraction of tapered roller changing units 19a, 19b orthogonal to the rolling axis 4 in alignment with the Built-in star 5a, 5b (see. Fig. 1 ) extending linear guides 18 is ensured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Adjustment And Processing Of Grains (AREA)

Claims (4)

  1. Laminoir conique (7) pour la fabrication de tuyaux sans soudure, se présentant sous forme d'un laminoir de Diescher comportant deux cylindres coniques (6a, 6b) disposés dans une cage de laminage (1) ancrée sur la fondation (3) et deux disques de guidage et de Diescher entraînés (15a, 15b),
    caractérisé en ce
    que les cylindres coniques (6a, 6b) sont prévus juxtaposés horizontalement dans la cage de laminage (1) symétriquement à l'axe de laminage (4) suivant un angle d'écartement divergeant en direction du côté sortie du produit laminé, chaque côté de cage de laminage parallèle par rapport à l'axe de laminage (4) étant réalisé avec une fenêtre de montage (5a, 5b) destinée à recevoir une pièce montée (8) des cylindres coniques (6a, 6b) et des supports de guidage (10a, 10b) associés à ces côtés de cage de laminage de couvercles terminaux de côtés de cage (12a, 12b) pouvant monter et descendre et supportant des moyens d'approche de cylindres (11) des cylindres coniques (6a, 6b).
  2. Laminoir conique selon la revendication 1,
    caractérisé en ce
    que les couvercles terminaux de côtés de cage (12a, 12b) sont réglables en sens inverse.
  3. Laminoir conique selon la revendication 1 ou 2,
    caractérisé par
    des guides linéaires (18) prévus orthogonalement à l'axe de laminage (4) en alignement avec les fenêtres de montage (5a, 5b) des pièces montées des cylindres coniques (8) avec des unités d'alternance (19a, 19b) déplaçables disposées dessus.
  4. Laminoir conique selon une des revendications 1 à 3,
    caractérisé par
    des unités à disques de Diescher (14a, 14b) disposées verticalement, une en haut et une en bas, dans la cage de laminage (1) avec des disques de Diescher (15a, 15b) prévus dedans.
EP20120008068 2011-12-09 2012-12-01 Laminoir à cylindres obliques coniques pour la fabrication de tubes sans soudure Active EP2602031B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011120783 2011-12-09

Publications (2)

Publication Number Publication Date
EP2602031A1 EP2602031A1 (fr) 2013-06-12
EP2602031B1 true EP2602031B1 (fr) 2015-05-20

Family

ID=47290561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120008068 Active EP2602031B1 (fr) 2011-12-09 2012-12-01 Laminoir à cylindres obliques coniques pour la fabrication de tubes sans soudure

Country Status (4)

Country Link
US (1) US9067249B2 (fr)
EP (1) EP2602031B1 (fr)
JP (1) JP5591311B2 (fr)
CN (1) CN103157660B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016128923A1 (fr) * 2015-02-11 2016-08-18 Danieli & C. Officine Meccaniche S.P.A. Cage de laminage en travers pour tuyaux sans soudure, muni d'un dispositif de guidage latéral interchangeable

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566653A (en) * 1968-11-15 1971-03-02 Wean Ind Inc Tube reducing and elongating apparatus
DE2460313C3 (de) 1974-12-20 1980-10-30 Schloemann-Siemag Ag, 4000 Duesseldorf Sohlplatte für Walzgerüste
DE3644783A1 (de) * 1986-12-23 1988-07-07 Mannesmann Ag Zweiwalzenschraegwalzwerk zum lochen und strecken von massiv- und hohlbloecken
DE4340313A1 (de) * 1993-11-26 1995-06-01 Schloemann Siemag Ag Walzgerüst
DE19716574A1 (de) 1997-04-19 1998-10-22 Schloemann Siemag Ag Kassettenwalzgerüst für ein Duo-Walzenpaar
EP1060803B1 (fr) * 1997-10-14 2006-11-29 Sumitomo Metal Industries Limited Appareil et procede de changement d'un cylindre disque d'un laminoir perceur vertical
DE10020702B8 (de) * 2000-04-27 2005-11-17 Sms Demag Ag Walzwerk, insbesondere Schräg- oder Diescherwalzwerk, in Modulbauweise
BRPI0706483B1 (pt) * 2007-05-21 2019-07-02 Nippon Steel & Sumitomo Metal Corporation Método de furação e rolamento para tubos sem emendas
JP5456062B2 (ja) * 2009-12-28 2014-03-26 株式会社中田製作所 タークスヘッドスタンド
CN201841156U (zh) * 2010-10-20 2011-05-25 山东泰丰钢业有限公司 轧辊拆装装置
CN201978942U (zh) * 2011-01-24 2011-09-21 中冶赛迪工程技术股份有限公司 可快速换辊的轧机
CN202045129U (zh) * 2011-04-15 2011-11-23 天津冶金规划设计院 新型二十辊冷轧线体

Also Published As

Publication number Publication date
US20130145808A1 (en) 2013-06-13
CN103157660A (zh) 2013-06-19
JP5591311B2 (ja) 2014-09-17
JP2013121620A (ja) 2013-06-20
CN103157660B (zh) 2016-04-27
US9067249B2 (en) 2015-06-30
EP2602031A1 (fr) 2013-06-12

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