EP0237439A1 - Vorrichtung zum axialen Halten einer Rolle - Google Patents

Vorrichtung zum axialen Halten einer Rolle Download PDF

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Publication number
EP0237439A1
EP0237439A1 EP87400554A EP87400554A EP0237439A1 EP 0237439 A1 EP0237439 A1 EP 0237439A1 EP 87400554 A EP87400554 A EP 87400554A EP 87400554 A EP87400554 A EP 87400554A EP 0237439 A1 EP0237439 A1 EP 0237439A1
Authority
EP
European Patent Office
Prior art keywords
roller
housing
axis
bearing
rotation
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.)
Granted
Application number
EP87400554A
Other languages
English (en)
French (fr)
Other versions
EP0237439B1 (de
Inventor
René Paulhac
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.)
Clecim SAS
Original Assignee
Clecim SAS
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 Clecim SAS filed Critical Clecim SAS
Publication of EP0237439A1 publication Critical patent/EP0237439A1/de
Application granted granted Critical
Publication of EP0237439B1 publication Critical patent/EP0237439B1/de
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
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/008—Rollers for roller conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers

Definitions

  • the subject of the invention is a device for axially holding a roller mounted to rotate about its axis in a fixed frame.
  • rollers In certain applications, for example in devices for continuously planing metal strips, rollers are used which rotate about an axis but which cannot, for various reasons, be fixed on bearings intended to hold them in position, because they must have a degree of freedom in the axial direction and simply be kept radially in their working position.
  • Such a roller is therefore mounted in abutment on rollers or on a support roller and its rotation shaft is equipped at its ends with axial support stops which come into contact, either in one direction or in the other with support plates mounted on the support frame, according to the axial stresses of variable direction which are exerted in service.
  • each support stop consists of a ball mounted at one end of the rotation shaft of the roller and capable of being supported on a wear plate of suitable shape mounted at the desired location on the frame.
  • the ball rotates with the roller when it is not in contact but is stopped in a very short time when it comes into contact with the wear plate. It is therefore fixed on a support rotatably mounted around the axis of rotation, at the end of the shaft.
  • the devices used for this purpose so far, give satisfaction up to speeds of about 3500 rpm.
  • the subject of the invention is a new axial holding device, making it possible, thanks to a particular arrangement, to reduce the inertia of the rotating parts and to provide support by a ball of small diameter by reducing the heating produced by friction during contacts with support plates and therefore operate at very high speeds of rotation.
  • the support ball is crimped at the end of a support piece consisting of a nozzle limited laterally by a cylindrical face comprising a delimiting shoulder, side of the roller, a base with an enlarged section placed inside a housing formed at the end of the roller and limited, on the side of the roller, by a transverse bottom and, on its periphery, by a cylindrical side wall, said enlarged base bearing, in the axial direction on the bottom of the housing, by means of an axial stop and in the transverse direction, on the lateral wall of the housing, by means of a centering bearing of the end piece on the axis of rotation, the assembly being held by a housing closure cap, fixed to the side wall of the latter and comprising a flat bottom pierced with an orifice for passage of the end piece and bearing, in the axial direction, on the shoulder of the lateral face of the nozzle .
  • the centering bearing of the enlarged base on the side wall of the housing is a needle bearing.
  • the roller not being held by bearings but by radial support, generally on another roller, its axis of rotation can be caused to move slightly parallel to itself, inside the fixed frame , due to wear of the outer casing of the roller.
  • the roller support ball may no longer be centered relative to the wear part placed on the frame.
  • the device comprises means for adjusting the position of the wearing part on the frame, as a function of the position of the axis of rotation.
  • This adjustment means can advantageously consist of a part for holding the wearing part, slidingly mounted in the direction of movement of the axis of rotation, in a groove formed on the frame, and capable of being fixed in position adjustable along the groove, by means of a removable fixing member.
  • Fig. 1 there is shown schematically the end of a roller 1 rotatably mounted around its axis 10 on a frame 2.
  • the roller 1 can for example be a flatness roller over which passes at high speed, a metal strip 11. It is held radially in a conventional manner, by means not shown, for example support rollers distributed regularly around its axis or else a support roller placed on the side opposite to the sheet 11.
  • the roller 1 is provided with a contact ball 3 which, depending on the axial stresses applied to the roller, can come to bear on a wearing part 4, mounted on the frame 2.
  • the contact ball 3 is crimped at the end of a support piece 5 consisting of an end piece 51, extended on the side of the roller, by an enlarged base 52.
  • the end piece 51 and the base 52 are limited by the faces lateral cylindrical centers on the same axis 50 which is aligned with the axis 10 of rotation of the roller.
  • the base 52 has a diameter greater than that of the end piece 51, so as to provide, between their lateral faces, a shoulder 53.
  • the enlarged base 52 fits inside a housing bounded laterally by a cylindrical wall 61 and, on the side of the roller, by a bottom 62 transverse to the axis.
  • the housing 6 is formed in a part 63 forming the body of the axial stop and fixed by a screw 64 at the end of the roller, so that the axis 60 of the bowl 6 coincides with the axis 10 of the roller.
  • the base 52 of the support piece 5 is held in the housing 6, on the one hand, radially by a centering bearing 55 interposed between the internal face 61 of the bowl 6 and the lateral face of the base 52, and on the other hand, axially, by an axial stop 66 interposed between the end face 54 of the base 52 and the bottom 62 of the bowl 6.
  • the shoulder 53 is substantially in the plane of the end of the cylindrical side wall 61 of the housing.
  • the assembly is held by a housing closure cap 7 comprising a socket 71 provided with an internal thread which is screwed onto a corresponding thread 67 formed on the side wall (61) of the housing (6).
  • the cap 7 is closed by a flat bottom 73, pierced with an orifice (75) for passage of the end piece 50 and which is supported on the shoulder 53, so as to hold the base 52 in place, interior of the accommodation.
  • the orifice (75) for passage of the end piece 51 is constituted by a bore formed in the axis of a cylindrical sleeve 74 which extends the cap 7, substantially up to the end of the end piece , the latter being threaded into the axial bore (75) without however being tightened, such that the sleeve 74 constitutes a smooth bearing cooperating with the bearing 65 to keep the axis 50 of the ball aligned with the axis 10 of the roller, without preventing rotation of the end piece 51 relative to the sleeve 74.
  • the wear plate 4 is mounted in a support piece 41 which comprises a U-shaped extension 42 which is placed below the sleeve 74.
  • the extension 42 thus serves to support the roller 1 in the event of stop, for example, during disassembly.
  • the support piece 41 can be fixed in an adjustable position on the frame 2.
  • the support piece 41 is provided with a tail 43 which is threaded through an oblong hole or a groove 21 formed in the frame 2 and allowing the tail 43 to slide, in a direction parallel to the direction of support of the roller 1 on its support.
  • the support piece 41 is fixed to the frame 2 by a shoulder 45 and a washer 46 tightened by a bolt 47. In this way, in the event of wear of the roller 1 determining a slight displacement of its axis 10, it is possible to move the support piece 41, and consequently, the wear plate 4 so that the contact ball 3 remains perfectly centered on the wear plate 4.
  • the rotating part of the stop on which the ball 3 is fixed is simply constituted by the support part 5 which has a very reduced inertia.
  • the support piece 5 and the ball 3 also rotate around the axis 10.
  • the rotation of the support piece 5 and the ball 3 can be stopped in a very short time due to the low inertia of the support piece, centered by the bearing 65 and bearing on the axial stop 66.
  • the low inertia of all the rotating parts and the low contact between the ball 3 of small diameter and the wear plate 4 make it possible to reduce the heat energy produced by friction when the ball 3 comes to bear on the wear plate 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Rolls And Other Rotary Bodies (AREA)
EP87400554A 1986-03-12 1987-03-12 Vorrichtung zum axialen Halten einer Rolle Expired - Lifetime EP0237439B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8603530 1986-03-12
FR8603530A FR2595591A1 (fr) 1986-03-12 1986-03-12 Dispositif de maintien axial d'un rouleau, en particulier pour laminoir

Publications (2)

Publication Number Publication Date
EP0237439A1 true EP0237439A1 (de) 1987-09-16
EP0237439B1 EP0237439B1 (de) 1990-05-16

Family

ID=9333053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400554A Expired - Lifetime EP0237439B1 (de) 1986-03-12 1987-03-12 Vorrichtung zum axialen Halten einer Rolle

Country Status (5)

Country Link
US (1) US4805432A (de)
EP (1) EP0237439B1 (de)
DE (1) DE3762712D1 (de)
ES (1) ES2015069B3 (de)
FR (1) FR2595591A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3930365A1 (de) * 1989-09-12 1991-03-21 Fritz Stahlecker Lagerung fuer einen oe-spinnrotor
US5487612A (en) * 1994-11-28 1996-01-30 Anderson; Ronald L. Shaft supporting bearing assembly with axially disposed cap and ball member
DE19545786A1 (de) * 1995-12-08 1997-06-12 Fritz Stahlecker Offenend-Spinnrotor
ES2213983T3 (es) * 1999-10-07 2004-09-01 Itw Mima Systems, S.A. Mecanismo de desmontaje rapido para rodillos montados.
FR2816530B1 (fr) 2000-11-15 2003-02-07 Usinor Procede de reglage d'une planeuse sous traction et dispositif correspondant
US20090045029A1 (en) * 2007-08-16 2009-02-19 Deur Delwyn G Conveyor roller and cartridge bearing assembly for same
CN113020328B (zh) * 2021-02-08 2024-01-19 江门市新会区园达工具有限公司 一种高精密辊式矫平机
KR20230171212A (ko) * 2022-06-13 2023-12-20 주식회사 솔룸신소재 비대칭 압연 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063787A (en) * 1934-09-24 1936-12-08 Torrington Co Antifriction bearing and method of making the same
US2606084A (en) * 1947-05-05 1952-08-05 W & L E Gurley Spindle bearing for surveying instruments
US3655226A (en) * 1970-08-03 1972-04-11 C R C Ind Bearing assembly
DE2514734C2 (de) * 1975-04-04 1982-10-28 Stahlecker, Fritz, 7347 Bad Überkingen Lagerung für einen Offenend-Spinnrotor
JPS58922B2 (ja) * 1978-04-10 1983-01-08 株式会社日立製作所 引張り曲げ矯正機
JPS59137122A (ja) * 1983-01-26 1984-08-07 Nippon Steel Corp スラスト荷重支持装置
DE3447162A1 (de) * 1984-12-22 1986-07-03 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Vorrichtung zur lagerung von gewindespindeln

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 3, no. 157 (C-68), 22 décembre 1979, page 86 C 68; & JP-A-54 133 469 (HITACHI SEISAKUSHO K.K.) 17-10-1979 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 263 (M-342)[1700], 4 décembre 1984; & JP-A-59 137 122 (SHIN NIPPON SEITETSU K.K.) 07-08-1984 *

Also Published As

Publication number Publication date
FR2595591A1 (fr) 1987-09-18
US4805432A (en) 1989-02-21
DE3762712D1 (de) 1990-06-21
EP0237439B1 (de) 1990-05-16
ES2015069B3 (es) 1990-08-01

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