US3866454A - Rolling mill - Google Patents

Rolling mill Download PDF

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Publication number
US3866454A
US3866454A US418442A US41844273A US3866454A US 3866454 A US3866454 A US 3866454A US 418442 A US418442 A US 418442A US 41844273 A US41844273 A US 41844273A US 3866454 A US3866454 A US 3866454A
Authority
US
United States
Prior art keywords
rolling mill
tie
roll
transoms
rolls
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
Application number
US418442A
Other languages
English (en)
Inventor
Hubert Muller
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.)
Siemag Siegener Maschinenbau GmbH
Original Assignee
Siemag Siegener Maschinenbau GmbH
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
Priority claimed from DE19722262014 external-priority patent/DE2262014C3/de
Application filed by Siemag Siegener Maschinenbau GmbH filed Critical Siemag Siegener Maschinenbau GmbH
Application granted granted Critical
Publication of US3866454A publication Critical patent/US3866454A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks

Definitions

  • Such shackle stands have the advantage, compared with roll stands of conventional construction, that, in spite of a lighter construction of the roll housing, they display a greater rigidity and, therefore, permit rolling operations to be performed to narrower tolerances.
  • a further advantage of these rolling mill stands is that they facilitate a simpler and quicker change of rolls, since for this purpose only one cotter pin at each shackle needs to be released to free the chocks for the change of rolls.
  • the present invention consists of a roll stand for exchangeable sets of elongated rolls, comprising a roll housing, a plurality of support means for supporting an end of a roll. Each means is provided at opposite sides thereof with an apertured portion.
  • a corresponding plurality of pairs of shackles is provided, each shackle having a first end portion connected to the roll housing and a second end portion, which is fork-shaped so as to have two limbs, each limb having one of two mutually aligned apertures being spaced apart to receive therebetween a respective one of the apertured portions of the support means. This is so that the aperture of the support means is aligned with each of the two apertures of the limbs and so that a cotter pin can be inserted to extend through all three of the apertures.
  • Each shackle is advantageously provided with a cylinder and piston device operable by a pressure medium and mounted on one of the limbs at a face remote from the respective other limb of the shackle, the piston being drivingly connected to one such cotter pin.
  • each apertured portion of the support means is provided in a wall member thereof, the wall member each being in conjunction with further wall members of the support means to define a recess to receive one limb of a shackle.
  • FIGURE of the drawing shows partially in section and partially in front elevation a part of a rolling mill embodying the principles of the present invention.
  • the tie shackle 3 is shown as having bearing pins 5, which fit into bores in the roll housing 1 and between which is disposed an eccentric collar 6, which is in engagement with a bore in the tie shackle 3.
  • the bearing pins 5 together with the eccentric collar 6 are rotatable by means of a gear, of which only a pinion 7 is indicated, so that a repositioning of the tie shackle 3 can be effected by rotation of the eccentric collar 6.
  • the tie shackle 4 is coupled in like manner to the roll housing 2, as are all further tie shackles, which are not shown in the accompanying drawing and which belong to the same rolling mill stand.
  • chocks 8 Displaceably guided between the two roll housings 1 and 2 are inserts or chocks 8, in which rolls 9 are rotatably journalled. These chocks 8 are supported against a transom 10 at their ends remote from the rolling gap. These transoms 10 act together with the chocks 8 as support means for the rolls and are formed at each of their ends with a pocket 11, an outer wall 12 of which is provided with a bearing eye or bore 13.
  • Each of the ends of the tie shackles 3 and 4 remote from the roll housings l and 2 is in the shape of a fork
  • the fork limbs 14 and 15 of the tie shackles 3 and 4 have bores 16 and 17, respectively, which are aligned with the bearing bore 13 in the pocket wall 12, when the fork limbs 14 and 15 bracket the pocket wall 12.
  • a pressure medium cylinder 18 or 19 is attached on the outer side of each fork limb 15 of the tie shackles 3 and 4.
  • a piston 20, with which one cotter pin 21 is firmly connected, is displaceably guided in each of these pressure medium cylinders 18 and 19.
  • this cotter pin can be withdrawn with the aid of the piston 20 to suchan extent that its free end is retracted into the bore in the fork limb 15.
  • the bearing bores 13 of the transoms 10 are thus uncoupled from the shackles 3 and 4, so that the transoms l0 and together with the chocks 8 and the rolls journalled therein can be removed from the roll stand.
  • the cotter pin 21 can be driven by the piston 20 out of the pressure medium cylinder 18 or 19, respectively, to such an extent that it penetrates the bearing bore 13 of the transom 10 into the bore 16 of the fork limb 14 and thereby brings about the coupling connection between the transom l0 and the tie shackles 3 and 4.
  • All the pressure medium cylinders 18 and 19 associated with one roll stand may conveniently be connected to a common pressure medium system in such a manner, that all cotter pins 21 can be controlled from a central location to be moved simultaneously in order to accelerate the roll change.
  • a major advantage attainable by means of a rolling mill stand embodying the features described hereinbefore is that the period of time occupied by a roll change can be substantially reduced and that the parts facilitating the change of rolls may be of simplified construction.
  • transoms which equalize differences in the roll diameters and only require the use of spacers, by which thewear of the rolls can be compensated, can be manufactured at relatively low cost.
  • a rolling mill having exchangeable sets of rolls, in which the chocks serving for bearing the rolls are releasably coupled by interposed transoms operating through tie shackles with the roll housing, wherein cotter pins serve as coupling means,
  • each tie shackle (3, 4) engaging the transoms (l0) and the chocks (8) is constructed as a fork (l4, 15), between the limbs (14, 15) of which a coupling eye (13) of the transom engages, the cotter pin (21) being insertable in bores (l6, 17) in the fork limbs (14, 15) and the coupling eye (18, 19, 20).
  • cotter pin (21) is part of a piston (20) displaceable in a pressure medium cylinder (18, 19) and the pressure medium cylinder (l8, 19) is mounted on the outer fork limb (15) of each tie shackle (3, 4).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Rolls And Other Rotary Bodies (AREA)
US418442A 1972-12-19 1973-11-23 Rolling mill Expired - Lifetime US3866454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722262014 DE2262014C3 (de) 1972-12-19 Walzgerüst mit auswechselbaren Walzensätzen

Publications (1)

Publication Number Publication Date
US3866454A true US3866454A (en) 1975-02-18

Family

ID=5864788

Family Applications (1)

Application Number Title Priority Date Filing Date
US418442A Expired - Lifetime US3866454A (en) 1972-12-19 1973-11-23 Rolling mill

Country Status (8)

Country Link
US (1) US3866454A (enrdf_load_stackoverflow)
JP (1) JPS571321B2 (enrdf_load_stackoverflow)
BE (1) BE806684A (enrdf_load_stackoverflow)
ES (1) ES420081A1 (enrdf_load_stackoverflow)
FR (1) FR2210449B1 (enrdf_load_stackoverflow)
GB (1) GB1396808A (enrdf_load_stackoverflow)
IT (1) IT1000351B (enrdf_load_stackoverflow)
ZA (1) ZA739266B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706484A (en) * 1986-07-28 1987-11-17 United Engineering Rolling Mills, Inc. Universal rolling mill
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943142A (en) * 1932-07-14 1934-01-09 Kent Machine Works Inc Roller mill adjusting device
US2729123A (en) * 1952-02-13 1956-01-03 United States Steel Corp Device for mounting roll chocks
US3055242A (en) * 1960-07-05 1962-09-25 Morgan Construction Co Rolling mills
US3172314A (en) * 1962-09-24 1965-03-09 Morgan Construction Co Roll adjustment means
US3580034A (en) * 1965-12-24 1971-05-25 Hille Eng Co Ltd Rolling mills
US3675455A (en) * 1970-01-22 1972-07-11 Siemag Siegener Masch Bau Roll stand with working rolls supported in chocks

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943142A (en) * 1932-07-14 1934-01-09 Kent Machine Works Inc Roller mill adjusting device
US2729123A (en) * 1952-02-13 1956-01-03 United States Steel Corp Device for mounting roll chocks
US3055242A (en) * 1960-07-05 1962-09-25 Morgan Construction Co Rolling mills
US3172314A (en) * 1962-09-24 1965-03-09 Morgan Construction Co Roll adjustment means
US3580034A (en) * 1965-12-24 1971-05-25 Hille Eng Co Ltd Rolling mills
US3675455A (en) * 1970-01-22 1972-07-11 Siemag Siegener Masch Bau Roll stand with working rolls supported in chocks

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706484A (en) * 1986-07-28 1987-11-17 United Engineering Rolling Mills, Inc. Universal rolling mill
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
CN100368103C (zh) * 1998-10-30 2008-02-13 国际技术公司及国际技术公开有限公司 可被拆分成可互换的模式组件的轧机机座

Also Published As

Publication number Publication date
DE2262014A1 (de) 1974-09-26
ES420081A1 (es) 1976-03-01
FR2210449A1 (enrdf_load_stackoverflow) 1974-07-12
BE806684A (fr) 1974-02-15
DE2262014B2 (de) 1976-04-29
GB1396808A (en) 1975-06-04
ZA739266B (en) 1974-10-30
IT1000351B (it) 1976-03-30
FR2210449B1 (enrdf_load_stackoverflow) 1977-03-11
JPS571321B2 (enrdf_load_stackoverflow) 1982-01-11
JPS4990658A (enrdf_load_stackoverflow) 1974-08-29

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