EP0040584A1 - Cage de laminoir pour un train de laminage stationnaire - Google Patents

Cage de laminoir pour un train de laminage stationnaire Download PDF

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Publication number
EP0040584A1
EP0040584A1 EP81830048A EP81830048A EP0040584A1 EP 0040584 A1 EP0040584 A1 EP 0040584A1 EP 81830048 A EP81830048 A EP 81830048A EP 81830048 A EP81830048 A EP 81830048A EP 0040584 A1 EP0040584 A1 EP 0040584A1
Authority
EP
European Patent Office
Prior art keywords
rolls
stands
lines
housings
stationary rolling
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.)
Withdrawn
Application number
EP81830048A
Other languages
German (de)
English (en)
Inventor
Geremia Nonini
Giampietro Benedetti
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 EP0040584A1 publication Critical patent/EP0040584A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
    • 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
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B21B31/04—Rolling stand frames or housings; Roll mountings ; Roll chocks with tie rods in frameless stands, e.g. prestressed tie rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • 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
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/18—Adjusting or positioning rolls by moving rolls axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
    • B21B35/142—Yielding spindle couplings; Universal joints for spindles
    • B21B35/143—Yielding spindle couplings; Universal joints for spindles having slidably-interengaging teeth, e.g. gear-type couplings

Definitions

  • This invention concerns improvements to stands in stationary rolling lines; to be more exact, the invention con-. cerns improvements to two-high stands, the rolling line being kept stationary.
  • the invention also concerns two-high. stands in stationary rolling lines.
  • the invention refers in particular to horizontal and/. or upright two-high stands wherein the rolls group can be . dismantled and replaced quickly.
  • the invention refers to a two-high stand with a stationary or substantially constant rolling line wherein the rolls together with the housings can be removed and replaced.
  • the invention envisages a plurality of improvements which can be adopted partly or wholly in a two-high stand, and therefore envisages a two-high stand in which one or more of the improvements according to the invention are adopted.
  • the first relevant improvement according to the invention consisus in having embodied the rolls group as one single, compact assembly, complete with housings and rolling equipment and able to be dismantled and reassembled as one single unit.
  • a variant of this improvement envisages the anchoring of said platform that upholds and positions the rolling equipment, on a support anchored to the connecting sleeve between the supports of the housings.
  • a further improvement springs both from the fact that such a single unit is steered and positioned lengthwise by ides cooperating with the supports of the housings of only one side, the supports of the other side being free to slide lengthwise, and also from the fact that such a unit allows said guided supports to be able to swing within a desired. arc.
  • This improvement is highly relevant inasmuch as its allows straight roller bearings to be used and also permits bending in the structure of the rolling unit, this bending being absorbed directly by the structure of the unit itself without the structure of the sustaining, adjusting and positioning framework being affected. This enables the highest rolling pressures and the longest working life of the roller bearings fitted to be attained.
  • the invention enables the axial thrusts generated even during the rolling of structural sections to be sustained and thus makes it possible to obtain more perfect finished products.
  • a further improvement is offered by the system for bearing the unit on the framework.
  • This system visualises not only self-alignment during installation but also envisages the unloading of the force of weight and the vertical forces in a direct way such as to obviate anomalous stresses in the rolling unit.
  • the system for disconnecting and reconnect- . ing the extensions is an important improvement since the extensions are actuated simulatneously by a U-shaped element operated by suitable means such as jacks or linearly actuatingscrews.
  • This improvement is important in that it enables the extensions to be kept positioned on the bearing structure thus obviating unnecessary repetitive operations.
  • the invention also envisages other improvements which will become clear hereinafter in the description.
  • the invention therefore, visualises improvements to . stands in stationary rolling lines, said stands comprising two rolls superimposed with a horizontal or vertical axis, whereby the rolls are of a replaceable type, said improvements being characterised by comprising one or more of the following, in coordinated cooperation with a pack rolling - unit complete with housings and with means to sustain and position the rolling equipment, said unit being able to be removed and reinstalled by simple extraction and reintroduction:
  • the invention also refers to stands in stationary rolling lines, whereby said stands comprise two rolls superimposed with a horizontal or vertical and said rolls are of a replaceable type, said stands being characterised by including in coordinated cooperation a pack rolling unit complete with housings and with means to sustain and position the rolling equipment, said unit being able to be removed and reinstalled by simple extraction and reintroduction, whereby said stands adopt one or more of the improvements proposed.
  • Fig.I shows a two-high stand 20 in a stationary rolling line, consisting of a pack unit 21 and structural bearing means 22.
  • the structural bearing means 22 comprise the basic frame 24, which supports and guides the vertical and lengthwise positioning means, which can be anchored to the supporting and guiding base 24 with clamps 26 actuated mechanically or hydraulically in a known manner.
  • the groups 25 which, in our example, contain the means upholding the rolls 34-134 and the means to adjust the rolls 88.
  • one pair 134 has upright guides whereas the other pair 234 has a flat guiding. surface.
  • the two standards 134 include some guides 35 which cooperate with the grooves 32 present in the upper and lower housings 28, whereas the upper and lower housings 27 have smooth sides so as to be suitable for cooperating with the. pair of standards 234.
  • the guides 35 and grooves 32 constitute the lengthwise positioning and guide means 87 present in one pair of standards I34 and in one pair of housings 28.
  • the rolls 29 are located between the housings 27 & 28 and are upheld and positioned thereby.
  • One or more visual means 33 may be present on a housing so as to read the value of the adjustment.
  • means 30 to support and position the rolling equipment are envisaged as being between the housings 127 and 128.
  • the screw means 31 can be used for the vertical adjustment of said means 30.
  • the handwheel 60 or motor means or geared motor means can be used but are not relevant'to the purposes of the invention.
  • the guides 35 integral with the standards 124 cooperate with the grooves 32; said guides 35 have a length which is advantageously less than that of the grooves 32, so that the swining means 39 can be fitted.
  • Said means 39 for swinging the housings 28 and 128 consist of cotter means (here . consisting of an adjustable screw) and of a rounded guide . block 41.
  • the guide block 41 can protrude into the groove 32 or can be inserted at least partially into a suitable seating machined in the housing beside the groove 32.
  • the guide 35 is introduced between the cotter means 40 and the guide block 41.
  • the cotter means 40 and guide block 41 lie on a plane passing through the axis of the roll 29.
  • the lengthwise positioning means and means for axial adjustment of the upper roll 36 which act in our example on the upper roll 29.
  • Said positioning means 36 can be actuated with the handwheels 37 and 38, as will be seen better here- .inafter.
  • the upper housings 28 and 27 include suitable eyelets .42 for attachment to lifting means.
  • the means 30 for supporting and positioning the rolling equipment can also be installed on auxiliary supporting and clamping means 43, as can be seen in the example of Fig. .4.
  • Said auxiliary supporting and clamping means 43 are anchored in a middle position, in cooperation with the protective sleeves 46, between the upper 27-28 and lower 127-128 . housings.
  • Said supporting means 43 have an offshoot 44 that . extends inwards between the housings with a guide onto which . the means 30 are secured.
  • the adjustment means 31 can be of the type of Fig.2 or of Fig.4 or of any other desired type.
  • the supporting means 43 have a suitable projecting ridge 45, which cooperates with a slid- i ng means 47 actuated in our example by the jack 48 solidly fixed to a standard 34, so as to form the means 49 clamping the pack unit 21 when the latter has been inserted into the bearing structure means 21.
  • Fig.5 shows diagrammatically the means for adjusting. 88 the rolls 29 and the drive system employing extensions . 56.
  • the shaft 50 By acting on the lever 60 or on the motorized means that replaces it or integrates it, the shaft 50 is made to rotate in the required direction and the worm screws 5I-I5I are thus set in rotation.
  • the worm screws 5I-I5I actuate the toothed wheels 52-152 that set the shafts 53-I53 in rotation.
  • the shafts 53-153 are connected to the adjustment axles 54-154, which comprise the screws 55-I55.
  • Said screws 55-155 cooperate with threaded means 59 in the housings 27-28 so as to position the latter.
  • the system of Fig.7 can be embodied wherein the shaft 50 passes inside the shaft I50, and both shafts can be connected together with the pin 260 which connects the crank 60 to the disk 160 If the crank 60 and disk 160 are connected, the two screws 5I-I5I work together; otherwise only the screw 151 works.
  • the joint 360 can be envisaged if it is wished to motor- ise the shaft 50, that is to say, if it is wished to fit a drive group to obviate use of the crank 60.
  • the housing 27-28 are connected by stays with pins 58.
  • the handwheel 38 is slackened off, . so that the ring nut controlled thereby unlocks the anchorage ring nut 62 controlled by the handwheel 37; next, the . handwheel 37 is operated, and the ring nut 62 is moved backwards or forwards, cooperating thereby with the fixed ring. nut 162 solidly secured to the housing 28, which draws with itself the roll 29 in a known manner, namely by drawing a . bearing solidly fixed axially to the roll 29. When the roll 29 has been positioned, the ring nut of the handwheel is reclamped.
  • the joint consists of a . frontal joint 65 which permits the terminal portion 55 to mesh with the upper part of the shaft 53.
  • the upper part of the shaft 53 also comprises a housing within which is lodged the tapered alignment element 66. Below the tapered element .66 there is the projection 67, which acts as a foot.
  • the end portion of the shaft 55 has a recess or protrusion 64, within which is lodged the tooth 69 that clamps the shaft 55 to the shaft 53 but permits the joint rotation of . the shafts 55 and 53.
  • the recess or protrusion 64 can be . stationary or rotating on the axle 54.
  • the tooth 69 is retractable and is advantageously thrust elastically by the means 71 and can be operated by hand (for instance, with the means 72 which also permit clamping) or . with the jack I72.
  • the shaft 53 is advantageously bored axially 68 so as . to enable the upper seatings to be cleaned automatically..
  • Fig.9 includes two variants of Fig.8.
  • the clamping means 69 being operated by means 272-372 which in the example shown are jack means 83, act on the groove 64 present below the gear wheel 52.
  • Fig.II and 12 show the simultaneous uncoupling-coupling means 89 of the extensions 56-156.
  • a substantially U-shaped element 74 encloses the two extensions 56-156 at their sides and supports and positions them.
  • the end part of the extensions 56 has a collar 75 which can be engaged in a swinging manner in the U-shaped element 74 (Fig.I2).
  • the U-shaped elements 74 can run on guides 81 or on other guides prearranged for the purpose and anchored to the body 23.
  • the U-shaped element 74 is. brought towards the structure 23 or is taken away therefrom. When it is taken away, the U-shaped element 74 moves back- . wards the collar 75, which drags with it the toothed sleeve 76, of which the spherical toothing is meshed with the sleeve 78 and allows the shaft 77 to swing within a certain angle in respect of the axis of the roll 29.
  • the sleeve 76 when it withdraws, takes with it the sleeve 78 as well, and when the peripheral toothing of the. sleeve 78 becomes disengaged from the toothing on the ring. 79 mounted on the roll 29, the extension is free.
  • steps are taken to dismantle the extensions 56-156; next, the housings 27-127-28-128 are opened slightly and a desired distancing means is . introduced within them; then the housings themselves are reclosed until said distancing means is gripped. Then the blocks 69 or 49 are freed and the pack unit 21 can be withdrawn.
  • the housings When the housings are to be dismantled, they can be withdrawn sideways owing to the pre-arranged dimensions of the design.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
EP81830048A 1980-05-06 1981-03-27 Cage de laminoir pour un train de laminage stationnaire Withdrawn EP0040584A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT83369/80A IT1141791B (it) 1980-05-06 1980-05-06 Perfezionamenti alle gabbie a linea di laminazione fissa e gabbie a linea di laminazione fissa cosi' perfezionate
IT8336980 1980-05-06

Publications (1)

Publication Number Publication Date
EP0040584A1 true EP0040584A1 (fr) 1981-11-25

Family

ID=11320857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81830048A Withdrawn EP0040584A1 (fr) 1980-05-06 1981-03-27 Cage de laminoir pour un train de laminage stationnaire

Country Status (3)

Country Link
EP (1) EP0040584A1 (fr)
BR (1) BR8102735A (fr)
IT (1) IT1141791B (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0057101A2 (fr) * 1981-01-27 1982-08-04 Hille Engineering Company Limited Cage de laminoir
DE3629744A1 (de) * 1986-09-01 1988-03-10 Voest Alpine Ag Staenderloses walzgeraet
EP0394716A1 (fr) * 1989-04-28 1990-10-31 DANIELI & C. OFFICINE MECCANICHE S.p.A. Cage de laminoir
EP0406624A2 (fr) * 1989-07-04 1991-01-09 Sms Schloemann-Siemag Aktiengesellschaft Cage de laminoir duo réversible pour les profilés
US5195345A (en) * 1989-07-04 1993-03-23 Sms Schloemann Siemag Aktiengesellschaft Reversing two-high section rolling mill stand
EP0693328A1 (fr) * 1994-07-22 1996-01-24 T. Sendzimir, Inc. Bâtis pour laminoir à cylindres multiples
US5497644A (en) * 1988-03-01 1996-03-12 Danieli & C. Officine Meccaniche Spa Device to replace rolls on dual-purpose universal rolling stands
EP0998989A2 (fr) * 1998-10-30 2000-05-10 TECHINT COMPAGNIA TECNICA INTERNAZIONALE S.p.A. Cage de laminoir démontable en éléments modulaires interchangeables
WO2000053350A1 (fr) * 1999-03-08 2000-09-14 S.I.M.A.C. Spa Cage de laminoir demontable
WO2012155851A1 (fr) * 2011-05-18 2012-11-22 合肥市百胜科技发展股份有限公司 Dispositif de positionnement d'empoises de laminoir

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD85040A (fr) *
DE957930C (de) * 1957-01-24 Schloemann Aktiengesellschaft, Dusseldorf Mehrgerustige insbesondere kontinuierliche Walzenstraße
GB841091A (en) * 1957-01-18 1960-07-13 Moeller And Neumann G M B H Improvements in rolling mills
DE1962922U (de) * 1967-03-09 1967-06-29 Skf Kugellagerfabriken Gmbh Walze in walzgeruesten od. dgl.
DE1259818B (de) * 1958-10-22 1968-02-01 Morgan Construction Co Einstellvorrichtung fuer radial und axial gelagerte Walzenzapfen
DE1270518B (de) * 1962-10-31 1968-06-20 Morgan Construction Co Vertikalgeruest mit nach oben ein- und ausfahrbaren Wechselwalzensaetzen
DE2018490A1 (fr) * 1969-04-23 1970-10-29
DE2218281A1 (de) * 1972-04-15 1973-10-31 Krupp Gmbh Kaliberwalzgeruest
DE1939485B2 (de) * 1968-08-13 1977-06-30 Moeller & Neumann Gmbh, 6670 St Ingbert Staenderloses walzgeruest

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD85040A (fr) *
DE957930C (de) * 1957-01-24 Schloemann Aktiengesellschaft, Dusseldorf Mehrgerustige insbesondere kontinuierliche Walzenstraße
GB841091A (en) * 1957-01-18 1960-07-13 Moeller And Neumann G M B H Improvements in rolling mills
DE1259818B (de) * 1958-10-22 1968-02-01 Morgan Construction Co Einstellvorrichtung fuer radial und axial gelagerte Walzenzapfen
DE1270518B (de) * 1962-10-31 1968-06-20 Morgan Construction Co Vertikalgeruest mit nach oben ein- und ausfahrbaren Wechselwalzensaetzen
DE1962922U (de) * 1967-03-09 1967-06-29 Skf Kugellagerfabriken Gmbh Walze in walzgeruesten od. dgl.
DE1939485B2 (de) * 1968-08-13 1977-06-30 Moeller & Neumann Gmbh, 6670 St Ingbert Staenderloses walzgeruest
DE2018490A1 (fr) * 1969-04-23 1970-10-29
US3600926A (en) * 1969-04-23 1971-08-24 Voest Ag Rolling stand in particular for the shaping of a cast bar immediately upon leaving a continuous-casting plant
DE2218281A1 (de) * 1972-04-15 1973-10-31 Krupp Gmbh Kaliberwalzgeruest

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0057101A3 (en) * 1981-01-27 1983-06-22 Hille Engineering Company Limited Rolling mill stand
EP0057101A2 (fr) * 1981-01-27 1982-08-04 Hille Engineering Company Limited Cage de laminoir
DE3629744A1 (de) * 1986-09-01 1988-03-10 Voest Alpine Ag Staenderloses walzgeraet
US5497644A (en) * 1988-03-01 1996-03-12 Danieli & C. Officine Meccaniche Spa Device to replace rolls on dual-purpose universal rolling stands
EP0394716A1 (fr) * 1989-04-28 1990-10-31 DANIELI & C. OFFICINE MECCANICHE S.p.A. Cage de laminoir
US5113682A (en) * 1989-04-28 1992-05-19 Danieli & C. Officine Meccaniche S.P.A. Cartridge rolling stand
EP0406624A3 (en) * 1989-07-04 1991-03-06 Sms Schloemann-Siemag Aktiengesellschaft Reversible two-high section roll stand
US5195345A (en) * 1989-07-04 1993-03-23 Sms Schloemann Siemag Aktiengesellschaft Reversing two-high section rolling mill stand
EP0406624A2 (fr) * 1989-07-04 1991-01-09 Sms Schloemann-Siemag Aktiengesellschaft Cage de laminoir duo réversible pour les profilés
EP0693328A1 (fr) * 1994-07-22 1996-01-24 T. Sendzimir, Inc. Bâtis pour laminoir à cylindres multiples
EP0998989A2 (fr) * 1998-10-30 2000-05-10 TECHINT COMPAGNIA TECNICA INTERNAZIONALE S.p.A. Cage de laminoir démontable en éléments modulaires interchangeables
EP0998989A3 (fr) * 1998-10-30 2002-01-23 TECHINT COMPAGNIA TECNICA INTERNAZIONALE S.p.A. Cage de laminoir démontable en éléments modulaires interchangeables
US6460390B1 (en) 1998-10-30 2002-10-08 Techint Compagnia Technica Internazionale S.P.A. Rolling-mill stand which can be disassembled into interchangeable modular elements
WO2000053350A1 (fr) * 1999-03-08 2000-09-14 S.I.M.A.C. Spa Cage de laminoir demontable
WO2012155851A1 (fr) * 2011-05-18 2012-11-22 合肥市百胜科技发展股份有限公司 Dispositif de positionnement d'empoises de laminoir

Also Published As

Publication number Publication date
IT1141791B (it) 1986-10-08
IT8083369A0 (it) 1980-05-06
BR8102735A (pt) 1982-01-26

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Inventor name: BENEDETTI, GIAMPIETRO

Inventor name: NONINI, GEREMIA