CA1171111A - Roll neck seal - Google Patents
Roll neck sealInfo
- Publication number
- CA1171111A CA1171111A CA000378161A CA378161A CA1171111A CA 1171111 A CA1171111 A CA 1171111A CA 000378161 A CA000378161 A CA 000378161A CA 378161 A CA378161 A CA 378161A CA 1171111 A CA1171111 A CA 1171111A
- Authority
- CA
- Canada
- Prior art keywords
- seal
- roll
- ring
- face
- end plate
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- 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
- B21B31/07—Adaptation of roll neck bearings
- B21B31/078—Sealing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/54—Other sealings for rotating shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
In a rolling mill, for use in combination with a roll neck surrounded by a bearing sleeve fixed thereto, the bearing sleeve being journalled for rotation in a non-rotatable bushing contained in a bearing chock, with the roll neck having a tapered section leading from the neck portion surrounded by the sleeve to an end face on the roll barrel, and with lubricant being provided between the bearing sleeve and bushing, a seal assembly surrounding the tapered roll neck section and including a circular seal end plate surrounding the tapered roll neck section and fixed relative to the bearing chock. A circular flexible seal is mounted on the tapered roll neck section for rotation therewith. The flexible seal has a flange extending outwardly therefrom into sealing contact with an adjacent surface of the seal end plate. An outer seal ring is fixed relative to the seal end plate.
The outer seal ring has a cylindrical inner surface cooperating with the seal end plate to define a circular cavity opening towards the end face of said roll barrel. A seal inner ring has an inner portion abutting the flexible seal, an outer peripheral portion protruding into the aforesid cavity, and lips sealingly contacting the roll end face and the inner cylindrical surface on the outer seal ring.
In a rolling mill, for use in combination with a roll neck surrounded by a bearing sleeve fixed thereto, the bearing sleeve being journalled for rotation in a non-rotatable bushing contained in a bearing chock, with the roll neck having a tapered section leading from the neck portion surrounded by the sleeve to an end face on the roll barrel, and with lubricant being provided between the bearing sleeve and bushing, a seal assembly surrounding the tapered roll neck section and including a circular seal end plate surrounding the tapered roll neck section and fixed relative to the bearing chock. A circular flexible seal is mounted on the tapered roll neck section for rotation therewith. The flexible seal has a flange extending outwardly therefrom into sealing contact with an adjacent surface of the seal end plate. An outer seal ring is fixed relative to the seal end plate.
The outer seal ring has a cylindrical inner surface cooperating with the seal end plate to define a circular cavity opening towards the end face of said roll barrel. A seal inner ring has an inner portion abutting the flexible seal, an outer peripheral portion protruding into the aforesid cavity, and lips sealingly contacting the roll end face and the inner cylindrical surface on the outer seal ring.
Description
BACKGROUND OF THE INVENTION
This invention relates generally to sealing arrangements, and is concerned in particular with an improved neck seal for rolls in a rolllng mill.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a view in cross-section of a conventional roll neck seal for a rolling mill; and Figure 2 is a view similar to Figure 1 showing the present invention.
A conventional roll neck seal is illustrated in Figure 1, wherein the seal components include a neck seal f and an inner seal ring g. The seal f is fitted onto the roll neck c between the roll barrel b and a sleeve d. The sleeve d is keyed to an extension of the roll neck for rotation therewith within alnon-rotatable bushing a'. The bushing a' is in turn contained within a bearing chock a. During mill operation, lubricating oil is supplied continuously between the sleeve d and the bushing a'. A seal end plate e is fixed to the chock a at a location surrounding the neck seal f. The seal end plate has a rigid radially inwardly extending flange j located between two oppositely sloping shoulders k, 1. The nec]c seal f has resilient radially outwardly extending flanges h, 1 which slidingly contact the shoulders k, 1.
One problem with this type of arrangement is that when the roll b undergoes axial shifting (from right to left or vice versa as viewed in Figure 1) relative to the chock a, the relationship of the flexible flanges h,~i relative to their respective seal end plate shoulders k, 1 wlll change. For -. .
' 7~
example, one flange will bear against its respective shoulder more tightly with an accompanying increase in friction and wear, whereas the fit between the other flange and its shoulder will become less tight, with the danger that sealing will be adversely affected. Furthermore, because of the rigid flange j on the seal end plate e, the neck seal f must be deformed during installation into a generally heart-shaped pattern.
This in turn precludes the use of high strength inner reinforcing elements, making it necessary to resort to more flexible lower strength elements such as for example the coiled spring m shown in the drawing. Such lower strength reinforcing elements may not always be able to resist centrifugal forces generated by high speed rotation of the roll neck c.
; Another problem with the conventional arrangement is that the sealing ring o between the seal inner ring g and the end face of the roll barrel b is relatively fragile and is thus frequently damaged during disassembly of the seal.
A general objective of the present invention is to avoid the above-mentioned problems. To this end, the rigid radially inwardly extending flange on the seal end plate has been eliminate~, and the seal end plate shoulders have been ?
converted to a single continuous cylindrical surface. Thus, it is no longer necessary to distort the neck seal during assembly, and its outwardly extendlng radial flanges are in substantially constant frictional contact with the s~rrounding cylindrical shoulders, regardless of the extent to which the roll neck ultimately undergoes axial shifting. Additionally, the seal inner ring is at least partially enveloped by an elastic coating : .
- : . :
_ 3 ~
having integral sealing lips which sealingly engage the roll end face as well as other components to be hereinaftex described in greater detail, thereby providing a more damage-.resistant arrangement capable of undergoing repeated disassembly and assembly.
According to one aspect of the present inventi.on, there is provided in a rolling mill for use in combination with a roll having a roll harrel with an end face and a roll neck protruding ax ally from said end face, said roll neck being surrounded by a bearing sleeve fixed thereto, the bearing sleeve being journalled for rotation in a non-rotatable bushing contained in a bearing chock, with said roll neck having a tapexed section leading from:the neck portion surrounded by said sleeve to the end face on the roll barrel, and with lubricant being provided between the bearing sleeve and bushing, a seal assembly surrounding the tapered roll neck section, said seal assembly comprising:
a circular seal end plate surrounding said tapered roll neck section and fixed relative to said bearing chock, a circular flexible seal mounted on the tapered roll neck section for rotation therewith, said flexible seal having flange means extending outwardly therefrom into sealing contact with an adjacent suxface of said seal end plate, an outer seal ring fixed relative to and having a~cylindrical inner surface , cooperating with said seal end plate to define a clrcular cavity opening towards the end face of said roll barrel, a seal inner ring having an inne.r portion abutting said flexible seal and an outer peripheral portion protruding into said cavity, and sealing means on said seal inner ring, said sealing means having .: .
,','~
. .
;. ' ' " .-~ 4 - ~ ~ 7~
a portion thereof fixed relative to and in contact with the roll end face and additionally including lip members - on the outer peripheral portion of said seal inner ring, said lip members being located in said cavity and being arranged to sealingly contact the inner cylindrical surface on said outer seal ring.
These and other objects and advantages of the present invention will become more apparent in light of the following detailed description, taken in conjunction with the accompanying drawings.
Referring to Figure 2, a bearing chock 1 is shown defining a hole 2. A seal end plate 3 is fitted on the end of the chock, with an O-ring 5 positioned therebetween to insure a fluid-tight seal. The seal end plate 3 has an inner continuous cylindrical surface 6 which is slidingly contacted by a flexible flange 11 extending outwardly from a neck seal 10. The neck seal is mounted on the tapered section 9a of the roll neck 9. A
sleeve 7 is keyed to the roll neck 9 for rotation therewith. I'he sleeve 7 is journalled for rotation in a non-rotatable bushing la contained by the chock 1. During operation, lubricating oil is supplied continuously between sleeve 7 and bushing la.
The neck seal 10 is made of rubber or a similar elastic material such as soft synthetic resin. The base portion 13 of the neck seal has a tapered hole 12, the taper being approximately the same as that of the neck portion 9a. The flexible flange 11 is integrally formed with the base portion 13~ with an inner peripheral groove lla for accommodating a coiled spring llb which resiliently urges the flange outwardly into frictional sealing contact with the~urrounding cylind~ical ' ,, . . -:
. . . ~ , ~
surface 6 on the æ al end plate 3.
The base portion 13 of the neck æ al is further strengthened by an embedded reinforcing ring 14 having a generally Lrshaped cross section. Ihe e~kedded portion of the reinforcing rin~ is generally cylindri.cal an~ arranged coaxially with the seal body. m e exposed radi~l flange 14a of the reinforcing ring abuts the e~d of the sleeve 7.
The neck æ al 10 is further Fcovided with an inner flange 15 held tightly against the tapered roll neck surface 9a by another small diamRter spring 16. The cpposite end of the seal body further includes another flange i7 also arranged to tightly surround the tapered roll neck section 9a. A flinger 18 ex~en~s angularly cutwardly from the base portion 13 between the end of the bushing 1a and the adjacent portion of the seal end plate 3.
: An outer seal ring 3a of generally Lrshaped cro6s section is secured to the seal end plate 3 as at 19 and cooperates therewith to define a ircular cavity 20 opening towards the roll end fac~ and into which protrudes the peripheral end portion 21a of a seal inner ring 21~ The s al inner ring 21 is appropriatel.y sha?ed to further provide an intermediate portion 21b extending generally parallel t~ the end face of roll 8, an~ an inner portion 21c baving its Lnner edge received in a notch partially defined by the flànge 17 cn the base part 13 of : the neck seal 10.
.In the embodiment herein chosen for purposes of disclosure, .
the seal inner ring 21 is covered at least partially with a relatively thin ooating 23 of elastic material such a rubber which is integrally :~ fused thereto. The coating 23 at the outer peripheral portion 21a of 7~
` e the æ al inner ring provides sealing lips 24 which æ alingly en3age the interior cylindrical surfa oe o~f the outer seal ring 3a. This inner cylindrical surface preferably is arranged coaxially with the cylindrical surface 6 on the seal er~ plate 3. ~ddi~ionally, the covering 23 is prcvided with a plurality of Frotrusions 26 which resiliently contact the end fa oe of the roll 8, as well as with one or m~re lips 25 which establish a fluid-tight seal between the seal inner ring 21 and the roll end face.
In light o~ the above, it will be understood that the neck seal lO is firmly seated on the tapered portion 9a of the roll neck by virtue of the engagement of the radial flange Fortion 14a of reinforcir~ element 14 with the end of the sleeve 7. The neck seal lO
is in turn firmly seated against the seal ~nner ring 21, the latter havir~ its inner portion 21c firmly received in the notch partialIy defined by flanye 17. The frictional interengagement between the inner portion 21c of the seal inner ring and the neck seal 10 when combined with that of the protrusions 26 contacting the er~ face of the roll 8 is sufficient to overcome ar~ fri:ctional resistan~e encountered as a result of the æ alir~ lips 24 being in contact with the outer seal ring 3a. Thus, slippage of the seal inner ring 21 relative to the neck seal 10 and/or the roll 8 is avoided. The a~ditional sealing lips 25 provide an improved fluid-tight seal between the seal inner ring 21 and the er~ face of the roll 8. The uninterrupted cylir~rical surface 6 on seal end plate 3 enables the flange 11 t~ experience substantially constant contact regardless of the extent to which the roll neck may ` undergo axial shif~i~g. The absence of any rigid inwardly extending flange on surface 6 makes it unnecessary bD distort the neck seal 10 durin~ assembly an~ disassembly, an~ this in turn makes it pvssible to ~, 1'7~
eT~loy higher strer~th reinforcir~3 elemer~ts suc~ as the ~edded Jretal ring 14. Wi~h hi~her strength reinforciT~ elements, centrifucal foroe is m~re efectively resisted, thereby ins~ hat Clippa9e ~tween tl~ nec~k seal 10 ar~ the tapere~ roll ne~k section 9a is avoided..
This invention relates generally to sealing arrangements, and is concerned in particular with an improved neck seal for rolls in a rolllng mill.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a view in cross-section of a conventional roll neck seal for a rolling mill; and Figure 2 is a view similar to Figure 1 showing the present invention.
A conventional roll neck seal is illustrated in Figure 1, wherein the seal components include a neck seal f and an inner seal ring g. The seal f is fitted onto the roll neck c between the roll barrel b and a sleeve d. The sleeve d is keyed to an extension of the roll neck for rotation therewith within alnon-rotatable bushing a'. The bushing a' is in turn contained within a bearing chock a. During mill operation, lubricating oil is supplied continuously between the sleeve d and the bushing a'. A seal end plate e is fixed to the chock a at a location surrounding the neck seal f. The seal end plate has a rigid radially inwardly extending flange j located between two oppositely sloping shoulders k, 1. The nec]c seal f has resilient radially outwardly extending flanges h, 1 which slidingly contact the shoulders k, 1.
One problem with this type of arrangement is that when the roll b undergoes axial shifting (from right to left or vice versa as viewed in Figure 1) relative to the chock a, the relationship of the flexible flanges h,~i relative to their respective seal end plate shoulders k, 1 wlll change. For -. .
' 7~
example, one flange will bear against its respective shoulder more tightly with an accompanying increase in friction and wear, whereas the fit between the other flange and its shoulder will become less tight, with the danger that sealing will be adversely affected. Furthermore, because of the rigid flange j on the seal end plate e, the neck seal f must be deformed during installation into a generally heart-shaped pattern.
This in turn precludes the use of high strength inner reinforcing elements, making it necessary to resort to more flexible lower strength elements such as for example the coiled spring m shown in the drawing. Such lower strength reinforcing elements may not always be able to resist centrifugal forces generated by high speed rotation of the roll neck c.
; Another problem with the conventional arrangement is that the sealing ring o between the seal inner ring g and the end face of the roll barrel b is relatively fragile and is thus frequently damaged during disassembly of the seal.
A general objective of the present invention is to avoid the above-mentioned problems. To this end, the rigid radially inwardly extending flange on the seal end plate has been eliminate~, and the seal end plate shoulders have been ?
converted to a single continuous cylindrical surface. Thus, it is no longer necessary to distort the neck seal during assembly, and its outwardly extendlng radial flanges are in substantially constant frictional contact with the s~rrounding cylindrical shoulders, regardless of the extent to which the roll neck ultimately undergoes axial shifting. Additionally, the seal inner ring is at least partially enveloped by an elastic coating : .
- : . :
_ 3 ~
having integral sealing lips which sealingly engage the roll end face as well as other components to be hereinaftex described in greater detail, thereby providing a more damage-.resistant arrangement capable of undergoing repeated disassembly and assembly.
According to one aspect of the present inventi.on, there is provided in a rolling mill for use in combination with a roll having a roll harrel with an end face and a roll neck protruding ax ally from said end face, said roll neck being surrounded by a bearing sleeve fixed thereto, the bearing sleeve being journalled for rotation in a non-rotatable bushing contained in a bearing chock, with said roll neck having a tapexed section leading from:the neck portion surrounded by said sleeve to the end face on the roll barrel, and with lubricant being provided between the bearing sleeve and bushing, a seal assembly surrounding the tapered roll neck section, said seal assembly comprising:
a circular seal end plate surrounding said tapered roll neck section and fixed relative to said bearing chock, a circular flexible seal mounted on the tapered roll neck section for rotation therewith, said flexible seal having flange means extending outwardly therefrom into sealing contact with an adjacent suxface of said seal end plate, an outer seal ring fixed relative to and having a~cylindrical inner surface , cooperating with said seal end plate to define a clrcular cavity opening towards the end face of said roll barrel, a seal inner ring having an inne.r portion abutting said flexible seal and an outer peripheral portion protruding into said cavity, and sealing means on said seal inner ring, said sealing means having .: .
,','~
. .
;. ' ' " .-~ 4 - ~ ~ 7~
a portion thereof fixed relative to and in contact with the roll end face and additionally including lip members - on the outer peripheral portion of said seal inner ring, said lip members being located in said cavity and being arranged to sealingly contact the inner cylindrical surface on said outer seal ring.
These and other objects and advantages of the present invention will become more apparent in light of the following detailed description, taken in conjunction with the accompanying drawings.
Referring to Figure 2, a bearing chock 1 is shown defining a hole 2. A seal end plate 3 is fitted on the end of the chock, with an O-ring 5 positioned therebetween to insure a fluid-tight seal. The seal end plate 3 has an inner continuous cylindrical surface 6 which is slidingly contacted by a flexible flange 11 extending outwardly from a neck seal 10. The neck seal is mounted on the tapered section 9a of the roll neck 9. A
sleeve 7 is keyed to the roll neck 9 for rotation therewith. I'he sleeve 7 is journalled for rotation in a non-rotatable bushing la contained by the chock 1. During operation, lubricating oil is supplied continuously between sleeve 7 and bushing la.
The neck seal 10 is made of rubber or a similar elastic material such as soft synthetic resin. The base portion 13 of the neck seal has a tapered hole 12, the taper being approximately the same as that of the neck portion 9a. The flexible flange 11 is integrally formed with the base portion 13~ with an inner peripheral groove lla for accommodating a coiled spring llb which resiliently urges the flange outwardly into frictional sealing contact with the~urrounding cylind~ical ' ,, . . -:
. . . ~ , ~
surface 6 on the æ al end plate 3.
The base portion 13 of the neck æ al is further strengthened by an embedded reinforcing ring 14 having a generally Lrshaped cross section. Ihe e~kedded portion of the reinforcing rin~ is generally cylindri.cal an~ arranged coaxially with the seal body. m e exposed radi~l flange 14a of the reinforcing ring abuts the e~d of the sleeve 7.
The neck æ al 10 is further Fcovided with an inner flange 15 held tightly against the tapered roll neck surface 9a by another small diamRter spring 16. The cpposite end of the seal body further includes another flange i7 also arranged to tightly surround the tapered roll neck section 9a. A flinger 18 ex~en~s angularly cutwardly from the base portion 13 between the end of the bushing 1a and the adjacent portion of the seal end plate 3.
: An outer seal ring 3a of generally Lrshaped cro6s section is secured to the seal end plate 3 as at 19 and cooperates therewith to define a ircular cavity 20 opening towards the roll end fac~ and into which protrudes the peripheral end portion 21a of a seal inner ring 21~ The s al inner ring 21 is appropriatel.y sha?ed to further provide an intermediate portion 21b extending generally parallel t~ the end face of roll 8, an~ an inner portion 21c baving its Lnner edge received in a notch partially defined by the flànge 17 cn the base part 13 of : the neck seal 10.
.In the embodiment herein chosen for purposes of disclosure, .
the seal inner ring 21 is covered at least partially with a relatively thin ooating 23 of elastic material such a rubber which is integrally :~ fused thereto. The coating 23 at the outer peripheral portion 21a of 7~
` e the æ al inner ring provides sealing lips 24 which æ alingly en3age the interior cylindrical surfa oe o~f the outer seal ring 3a. This inner cylindrical surface preferably is arranged coaxially with the cylindrical surface 6 on the seal er~ plate 3. ~ddi~ionally, the covering 23 is prcvided with a plurality of Frotrusions 26 which resiliently contact the end fa oe of the roll 8, as well as with one or m~re lips 25 which establish a fluid-tight seal between the seal inner ring 21 and the roll end face.
In light o~ the above, it will be understood that the neck seal lO is firmly seated on the tapered portion 9a of the roll neck by virtue of the engagement of the radial flange Fortion 14a of reinforcir~ element 14 with the end of the sleeve 7. The neck seal lO
is in turn firmly seated against the seal ~nner ring 21, the latter havir~ its inner portion 21c firmly received in the notch partialIy defined by flanye 17. The frictional interengagement between the inner portion 21c of the seal inner ring and the neck seal 10 when combined with that of the protrusions 26 contacting the er~ face of the roll 8 is sufficient to overcome ar~ fri:ctional resistan~e encountered as a result of the æ alir~ lips 24 being in contact with the outer seal ring 3a. Thus, slippage of the seal inner ring 21 relative to the neck seal 10 and/or the roll 8 is avoided. The a~ditional sealing lips 25 provide an improved fluid-tight seal between the seal inner ring 21 and the er~ face of the roll 8. The uninterrupted cylir~rical surface 6 on seal end plate 3 enables the flange 11 t~ experience substantially constant contact regardless of the extent to which the roll neck may ` undergo axial shif~i~g. The absence of any rigid inwardly extending flange on surface 6 makes it unnecessary bD distort the neck seal 10 durin~ assembly an~ disassembly, an~ this in turn makes it pvssible to ~, 1'7~
eT~loy higher strer~th reinforcir~3 elemer~ts suc~ as the ~edded Jretal ring 14. Wi~h hi~her strength reinforciT~ elements, centrifucal foroe is m~re efectively resisted, thereby ins~ hat Clippa9e ~tween tl~ nec~k seal 10 ar~ the tapere~ roll ne~k section 9a is avoided..
Claims (4)
1. In a rolling mill, for use in combination with a roll having a roll barrel with an end face and a roll neck protruding axially from said end face, said roll neck being surrounded by a bearing sleeve fixed thereto, the bearing sleeve being journalled for rotation in a non-rotatable bushing contained in a bearing chock, with said roll neck having a tapered section leading from the neck portion surrounded by said sleeve to the end face on the roll barrel, and with lubricant being provided between the bearing sleeve and bushing, a seal assembly surrounding the tapered roll neck section, said seal assembly comprising:
a circular seal end plate surrounding said tapered roll neck section and fixed relative to said bearing chock, a circular flexible seal mounted on the tapered roll neck section for rotation therewith, said flexible seal having flange means extending outwardly therefrom into sealing contact with an adjacent surface of said seal end plate, an outer seal ring fixed relative to and having a cylindrical inner surface cooperating with said seal end plate to define a circular cavity opening towards the end face of said roll barrel, a seal inner ring having an inner portion abutting said flexible seal and an outer peripheral portion protruding into said cavity, and sealing means on said seal inner ring, said sealing means having a portion thereof fixed relative to and in contact with the roll end face and additionally including lip members on the outer peripheral portion of said seal inner ring, said lip members being located in said cavity and being arranged to sealingly contact the inner cylindrical surface on said outer seal ring.
a circular seal end plate surrounding said tapered roll neck section and fixed relative to said bearing chock, a circular flexible seal mounted on the tapered roll neck section for rotation therewith, said flexible seal having flange means extending outwardly therefrom into sealing contact with an adjacent surface of said seal end plate, an outer seal ring fixed relative to and having a cylindrical inner surface cooperating with said seal end plate to define a circular cavity opening towards the end face of said roll barrel, a seal inner ring having an inner portion abutting said flexible seal and an outer peripheral portion protruding into said cavity, and sealing means on said seal inner ring, said sealing means having a portion thereof fixed relative to and in contact with the roll end face and additionally including lip members on the outer peripheral portion of said seal inner ring, said lip members being located in said cavity and being arranged to sealingly contact the inner cylindrical surface on said outer seal ring.
2. The seal assembly of claim 1 wherein said adjacent surface of said seal end plate is cylindrical and coaxial with the cylindrical inner surface on said outer seal ring.
3. The seal assembly of claim 1 wherein said seal inner ring is a metallic element, and wherein said lip means are integrally formed as part of an elastic covering applied to said inner seal ring.
4. The seal assembly of claim 1 further comprising a metallic reinforcing ring at least partially embedded in said flexible seal, said reinforcing ring having an exposed flange engageable with said sleeve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980070579U JPS5931965Y2 (en) | 1980-05-22 | 1980-05-22 | roll neck seal |
| JP55(80)007579 | 1980-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1171111A true CA1171111A (en) | 1984-07-17 |
Family
ID=13435598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000378161A Expired CA1171111A (en) | 1980-05-22 | 1981-05-22 | Roll neck seal |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5931965Y2 (en) |
| BE (1) | BE888908A (en) |
| BR (1) | BR8103168A (en) |
| CA (1) | CA1171111A (en) |
| DE (1) | DE3119951A1 (en) |
| ES (1) | ES501895A0 (en) |
| FR (1) | FR2482878B1 (en) |
| GB (1) | GB2076481B (en) |
| IT (1) | IT1170987B (en) |
| MX (1) | MX153026A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389053A (en) * | 1982-03-26 | 1983-06-21 | Morgan Construction Company | Water guard for rolling mill oil film bearing |
| DE3721264A1 (en) * | 1987-06-27 | 1989-01-12 | Schloemann Siemag Ag | SEALING DEVICE FOR ROLLER BEARINGS |
| US5478090A (en) * | 1993-06-16 | 1995-12-26 | Morgan Construction Company | Interlocked seal and sleeve for rolling mill oil film bearing |
| GB9916373D0 (en) * | 1999-07-14 | 1999-09-15 | Kvaerner Metals Davy Ltd | Seal element |
| JP2003529695A (en) * | 2000-03-30 | 2003-10-07 | フェニックス アクチエンゲゼルシャフト | Seal assembly for tunnel components |
| US6851676B2 (en) | 2002-12-17 | 2005-02-08 | Morgan Construction Company | Inner seal ring for rolling mill oil film bearing |
| DE102004003699A1 (en) * | 2004-01-03 | 2005-08-18 | Sms Demag Ag | - Sealing device for cylinder bearings, especially oil film or roller bearings useful in rolling operations for sealing oil film cylinder bearings |
| US7467796B2 (en) * | 2004-08-12 | 2008-12-23 | Morgan Construction, Company | Bearing seal with flexible lip |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3108815A (en) * | 1961-04-03 | 1963-10-29 | Federal Mogul Bower Bearings | Projection welded unitized seals |
| US3833273A (en) * | 1973-07-30 | 1974-09-03 | Morgan Construction Co | Labyrinth type seal |
| CA1064539A (en) * | 1976-07-15 | 1979-10-16 | Lowell S. Salter (Jr.) | Flexible seal and seal assembly |
| US4071255A (en) * | 1976-10-12 | 1978-01-31 | Morgan Construction Company | Flexible seal element with reinforced drain labyrinth |
| DE2929033A1 (en) * | 1978-07-18 | 1980-01-31 | Nippon Oil Seal Ind Co Ltd | Seal for roll journal in rolling mill - using two moulded elastomer rings fitted with sealing lips for oil retention |
-
1980
- 1980-05-22 JP JP1980070579U patent/JPS5931965Y2/en not_active Expired
-
1981
- 1981-05-05 ES ES501895A patent/ES501895A0/en active Granted
- 1981-05-13 GB GB8114539A patent/GB2076481B/en not_active Expired
- 1981-05-19 IT IT8148499A patent/IT1170987B/en active
- 1981-05-20 DE DE3119951A patent/DE3119951A1/en not_active Ceased
- 1981-05-21 BE BE0/204865A patent/BE888908A/en not_active IP Right Cessation
- 1981-05-21 FR FR8110147A patent/FR2482878B1/fr not_active Expired
- 1981-05-21 BR BR8103168A patent/BR8103168A/en not_active IP Right Cessation
- 1981-05-22 CA CA000378161A patent/CA1171111A/en not_active Expired
- 1981-05-22 MX MX81187450A patent/MX153026A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES8300395A1 (en) | 1982-11-01 |
| GB2076481B (en) | 1984-05-02 |
| IT1170987B (en) | 1987-06-03 |
| MX153026A (en) | 1986-07-21 |
| FR2482878B1 (en) | 1986-07-04 |
| BR8103168A (en) | 1982-02-09 |
| ES501895A0 (en) | 1982-11-01 |
| DE3119951A1 (en) | 1982-04-08 |
| FR2482878A1 (en) | 1981-11-27 |
| BE888908A (en) | 1981-09-16 |
| JPS5931965Y2 (en) | 1984-09-08 |
| GB2076481A (en) | 1981-12-02 |
| IT8148499A0 (en) | 1981-05-19 |
| JPS56171463U (en) | 1981-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |