CN101566232B - Thin oil lubrication sealing device for vacuum roller liner bearing - Google Patents
Thin oil lubrication sealing device for vacuum roller liner bearing Download PDFInfo
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- CN101566232B CN101566232B CN2008100253137A CN200810025313A CN101566232B CN 101566232 B CN101566232 B CN 101566232B CN 2008100253137 A CN2008100253137 A CN 2008100253137A CN 200810025313 A CN200810025313 A CN 200810025313A CN 101566232 B CN101566232 B CN 101566232B
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Abstract
The invention discloses a thin oil lubrication sealing device for a vacuum roller liner bearing. The bearing is arranged between a liner and a transmission-side shaft head, and a bearing seat is fixedon the transmission-side shaft head; the bearing is fixedly sleeved on a shaft sleeve which is tightly fixed to a liner shaft and tightly fixed by locking nuts; the bearing is arranged in the bearing seat, a bearing cover is fixed on one end surface of the bearing seat and can close one end of a liner shaft; and one end surface of the inner bearing cover is fixed on the other end surface of the b earing seat. The invention realizes the thin oil lubrication sealing of the bearing by mechanical seal in a flaring chamber, oil seal, labyrinth seal and grease seal, is easy to add oil, hardly leaks thin oil, is suitable for the vacuum roller bearing of a papermaking machine at medium and high speeds and prolongs the service life of the bearing.
Description
Technical field
The present invention relates to a kind of vacuum roller liner bearing lubricating fitting.
Background technique
Vacuum roll is parts commonly used on the paper machine.Vacuum roll generally is made up of inner bag and shell, and inner bag is fixed, the shell rotation.Usually inner bag back flow side one end is fixed on the spindle nose of rotation, so must there be a bearing to connect between inner bag and the spindle nose.
For a long time, liner bearing is because its specific position relation is all used grease lubrication always.Grease lubrication mainly contains three defectives:
1. refuel difficult.Stretch into a copper pipe from fore side at first, come to little bearing fatten through copper pipe.Because copper pipe is long, fresh grease will could get into bearing through very long pipeline, what is worse, hardens owing to grease rests on the pipeline overlong time sometimes, and line clogging, grease just can not pass through.Changing into oil filler on the back flow side spindle nose afterwards, is to have solved the long problem of former grease channel like this, but because the work of back flow side spindle nose the time rotate, just can refuel after having only vacuum roll to stop, like this realization not online oily.
2. can not carry out quick heat radiating.After the vacuum roll operating speed improved, the bearing heating amount just increased greatly, because the nonflowing character of grease, bearing can only dispel the heat through the back flow side spindle nose; And spindle nose is thick, and heat-transfer path is long, and it is bad so often to dispel the heat; Cause the bearing sintering, peel off that the lost of life and transmission power loss strengthen.
3. because grease lubrication bearing seal is mostly simple, in use the bearing packing of paper feed of intaking sometimes lost efficacy bearing immediately.Sometimes influenced the running of paper machine greatly less than three or four days working life, very big loss is brought at paper feeding station-service family.
Summary of the invention
In order to overcome above-mentioned defective, the present invention provides a kind of vacuum roller liner bearing thin oil lubricating device, and it can be fit to vacuum roll and runs up for a long time, has solved one of main bottleneck of paper machine high speed operation.
The present invention for the technological scheme that solves its technical problem and adopt is:
A kind of thin oil lubrication sealing device for vacuum roller liner bearing, bearing are located between inner bag and the back flow side spindle nose, and bearing support is fixed on the back flow side spindle nose; Said bearing is solidly set on the axle sleeve, and axle sleeve is anchored on the inner bag axle, and is fastening with locking nut; Said bearing is located in the said bearing support; Bearing cap is fixed in bearing support one end face, and bearing cap just can seal said inner bag axle one end, and inside cap one end face is fixed in the bearing support other end;
Be provided with slot and enlarging chamber between axle sleeve and the inside cap, said slot communicates with said enlarging chamber, and away from said bearing, the thin oil that comes out from slot like this is reduction of speed effectively than slot in the enlarging chamber, constitutes enlarging chamber mechanical seal;
Be provided with a U type opening oil sealing, oil sealing is opened on the enlarging chamber, oil sealing than enlarging chamber away from bearing; Oil sealing is placed on the axle sleeve and is in first seal fitting, and first seal fitting is movably set in outside the axle sleeve, and first seal fitting is fixed on the inside cap other end; Inside cap is provided with bearing chamber towards an end face of bearing, and bearing chamber communicates in bearing, is provided with runner on the inside cap again; Runner one end opening is opened on oil sealing in bearing chamber and its other end, constitutes oil sealing sealing; The oil that leaks on a small quantity from the enlarging chamber like this can be run into oil sealing chamber, large-section when the outer axle sleeve flows out, under action of centrifugal force, return bearing chamber through runner after the energy dissipating, so the seal action of oil sealing, makes the oil that leaks basically no longer toward external leakage;
Form second seal fitting on the axle sleeve, it is staggered that the surface of contact of first and second seal fitting forms the chimeric profile of tooth of mutual activity, forms tortuous gap, constitutes labyrinth seal; During the vacuum roll running; Air velocity in profile of tooth is staggered inwardly diminishes outward certainly successively, and increases according to the speed of air stream, and the aerodynamic principle that static pressure diminishes can be known; The static pressure gradient of air is from inside to outside in the gap; That is to say that the profile of tooth alternating share has produced negative pressure, and the steam dust is not got in the staggered gap of profile of tooth, played seal action;
Axle sleeve is provided with grease holes, and grease holes is opened on first seal fitting, and grease holes away from bearing, is full of grease than oil sealing in the grease holes, constitutes grease seal; Grease seal plays two effects: the one, and after the oil sealing wear and aging, thin oil still might leak through oil sealing, and at this moment grease plays the seal action to thin oil; The 2nd, steam that bearing support is outside and dust still have a spot of entering through after the labyrinth seal, and grease takes blocking effect to them.
Further technological scheme of the present invention is:
Movable sheath is provided with a water retaining ring on the inner bag axle, and water retaining ring is fixed in an end face of the nearly inner bag axle of transmission shaft head rest.
The invention has the beneficial effects as follows:
1. the thin oil inlet is at fore side, and thin oil gets in the bearing through copper pipe.Because thin oil has good flowing property, does not have the problem of line clogging.The same in oiling mode and the background technique;
2. the energy of flow of thin oil is in time taken away the swarf that heat that bearing produces owing to rolling and bearing produce owing to fatigue effect, thereby bearing is in the good working environment, in the working life of prolongation bearing, makes the production high speed paper machine become possibility;
3. owing to there are four roads to seal, make foreign object can not get into bearing, the cooling of rule ring is followed in the also not understanding outer outflow of thin oil simultaneously, inside, and bearing life is increased.
Description of drawings
Fig. 1 is vacuum roll shell figure according to the invention;
Fig. 2 is the upright figure of vacuum roller liner group according to the invention;
Fig. 3 is a vacuum roll sectional drawing according to the invention;
Fig. 4 is a vacuum roller liner thin oil lubricant bearing means structural representation of the present invention;
Fig. 5 is the A-A sectional view among Fig. 4;
Fig. 6 is that lean oil stream according to the invention is to schematic representation.
Embodiment
Embodiment: a kind of thin oil lubrication sealing device for vacuum roller liner bearing, bearing are located between inner bag and the back flow side spindle nose, and bearing support 1 is fixed on the back flow side spindle nose; Said bearing 10 is solidly set on the axle sleeve 3; Axle sleeve 3 is anchored on inner bag axle 4 through locking nut 8, and bearing 10 is located in the said bearing support 1, and bearing cap 5 is fixed in bearing support 1 one end faces; Bearing cap 5 just can seal inner bag axle 4 one ends, and inside cap 6 one end faces are fixed in bearing support 1 other end.
Be provided with slot 13 and enlarging chamber 14 between axle sleeve 3 and the inside cap 6, slot 13 communicates with enlarging chamber 14, and away from bearing 10, the thin oil that comes out from slot 13 like this is reduction of speed effectively, formation enlarging chamber mechanical seal KM than slot 13 in enlarging chamber 14;
Be provided with a U type opening oil sealing 9, oil sealing 9 is opened on enlarging chamber 14, oil sealing than enlarging chamber 14 away from bearing 10; Oil sealing 9 is placed on the axle sleeve 3 and is in first seal fitting 15; First seal fitting 15 is movably set in outside the axle sleeve 3, and first seal fitting 15 is fixed on inside cap 6 other ends, and inner bearing 6 lids are provided with bearing chamber 16 towards an end face of bearing; Bearing chamber 16 communicates in bearing 10; Be provided with runner 17 on the inside cap 6 again, runner 17 1 end openings are opened on oil sealing 9 in bearing chamber 16 and its other end, constitute oil sealing sealing YM; The oil that leaks on a small quantity from enlarging chamber 14 like this can be run into oil sealing chamber, large-section 18 when outer axle sleeve 3 flows out, under action of centrifugal force, return bearing chamber 16 through runner 17 after the energy dissipating, so the seal action of oil sealing 9, makes the oil that leaks basically no longer toward external leakage;
Form second seal fitting on the axle sleeve 3, it is staggered that the surface of contact of first and second seal fitting forms the chimeric profile of tooth of mutual activity, forms tortuous gap, constitutes labyrinth seal MM; During the vacuum roll running; Air velocity in profile of tooth is staggered inwardly diminishes outward certainly successively, and increases according to the speed of air stream, and the aerodynamic principle that static pressure diminishes can be known; The static pressure gradient of air is from inside to outside in the gap; That is to say that the profile of tooth alternating share has produced negative pressure, and the steam dust is not got in the staggered gap of profile of tooth, played seal action;
Axle sleeve 3 is provided with grease holes 19, and grease holes 19 is opened on first seal fitting 15, and grease holes 19 away from bearing 10, is full of grease in the grease holes 19 than oil sealing 9, constitutes grease seal ZM; Grease seal plays two effects: the one, and after the oil sealing wear and aging, thin oil still might leak through oil sealing, and at this moment grease plays the seal action to thin oil; The 2nd, bearing support 1 outside steam and dust still has a spot of entering through after the labyrinth seal, and grease takes blocking effect to them.
Movable sheath is provided with a water retaining ring 2 on the inner bag axle 4, and water retaining ring 2 is fixed in the end face of back flow side spindle nose near the inner bag axle.
This device mainly is used on the vacuum roll of high speed paper machine.Because the vacuum roll rotating speed of low-speed paper machine is slow, the bearing heating amount is little, also can not influence the operation of paper machine with grease lubrication.When paper machine speed runs to 800m/min when above, the liner bearing of grease lubrication causes the bearing sintering because heat radiation is bad, and be as short as one month working life that has.Because the sealing configuration of grease lubrication is mostly simple, bearing is because the packing of water inlet paper feed causes the also increase greatly of situation of losing efficacy.The present invention can well overcome above shortcoming.
This routine thin oil stream is: thin oil enters into bearing 10 from the outside through copper pipe, inner bag axle 4, oil nozzle 11, forms thin oil loop (seeing the thin oil flow arrow) through bearing 10, oil outlet 12.
Claims (2)
1. thin oil lubrication sealing device for vacuum roller liner bearing, said bearing is located between inner bag and the back flow side spindle nose, it is characterized in that: bearing support (1) is fixed on the back flow side spindle nose; Said bearing (10) is solidly set on axle sleeve (3); Axle sleeve (3) is anchored on inner bag axle (4), and said bearing is located in the said bearing support, and bearing cap (5) is fixed in bearing support (1) one end face; Bearing cap (5) just can seal said inner bag axle one end, and inside cap (6) one end faces are fixed in the bearing support other end;
Be provided with slot (13) and enlarging chamber (14) between axle sleeve (3) and the inside cap (6), said slot communicates with said enlarging chamber, and the enlarging chamber away from said bearing, constitutes enlarging chamber mechanical seal (KM) than slot;
Be provided with a U type opening oil sealing (9), oil sealing is opened on the enlarging chamber, oil sealing than enlarging chamber away from bearing; Oil sealing is placed on the axle sleeve and is in first seal fitting (15); First seal fitting is movably set in outside the axle sleeve, and first seal fitting is fixed on the inside cap other end, and inside cap is provided with bearing chamber (16) towards an end face of bearing; Bearing chamber communicates in bearing; Be provided with runner (17) on the inside cap again, runner one end opening is opened on oil sealing in bearing chamber and its other end, constitutes oil sealing sealing (YM);
Form second seal fitting on the axle sleeve, it is staggered that the surface of contact of first and second seal fitting forms the chimeric profile of tooth of mutual activity, forms tortuous gap, constitutes labyrinth seal (MM);
Axle sleeve is provided with grease holes (19), and grease holes is opened on first seal fitting, and grease holes away from bearing, is full of grease than oil sealing in the grease holes, constitutes grease seal (ZM).
2. thin oil lubrication sealing device for vacuum roller liner bearing according to claim 1 is characterized in that: movable sheath is provided with a water retaining ring (2) on the inner bag axle again, and water retaining ring is fixed in the end face of back flow side spindle nose near the inner bag axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100253137A CN101566232B (en) | 2008-04-24 | 2008-04-24 | Thin oil lubrication sealing device for vacuum roller liner bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100253137A CN101566232B (en) | 2008-04-24 | 2008-04-24 | Thin oil lubrication sealing device for vacuum roller liner bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101566232A CN101566232A (en) | 2009-10-28 |
| CN101566232B true CN101566232B (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100253137A Expired - Fee Related CN101566232B (en) | 2008-04-24 | 2008-04-24 | Thin oil lubrication sealing device for vacuum roller liner bearing |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936863A (en) * | 2012-10-22 | 2013-02-20 | 无锡市洪成造纸机械有限公司 | Oil pressure structure of papermaking profiling roller head |
| CN102943406A (en) * | 2012-10-24 | 2013-02-27 | 无锡市洪成造纸机械有限公司 | Oil leakage preventing structure of roller head of papermaking press roller |
| CN102926262A (en) * | 2012-10-26 | 2013-02-13 | 无锡市洪成造纸机械有限公司 | Pressure relief structure of roller head of papermaking pressing roller |
| CN102978988A (en) * | 2012-11-01 | 2013-03-20 | 无锡市洪成造纸机械有限公司 | Oil drainage structure of paper-making compression roller |
| CN103016549B (en) * | 2012-11-30 | 2015-04-22 | 中材（天津）粉体技术装备有限公司 | Lower bearing protection device of vertical mill powder selecting machine |
| CN104343943A (en) * | 2013-08-05 | 2015-02-11 | 无锡正杨造纸机械有限公司 | Vacuum roll lubricating system of paper-making machine |
| CN104712766A (en) * | 2015-03-06 | 2015-06-17 | 李阳铭 | Labyrinth type bearing closing device |
| CN105944805A (en) * | 2016-04-08 | 2016-09-21 | 孙健明 | Sealing device with tightening function for double-shaft shredder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881829A (en) * | 1986-06-30 | 1989-11-21 | Koelsch Lester M | Submersible bearing assembly |
| CN2274180Y (en) * | 1996-09-06 | 1998-02-11 | 谷明山 | Non-contact roller sealing device for belt conveyer |
| CN1696548A (en) * | 2004-05-11 | 2005-11-16 | 孙明昭 | Labyrinth type sealing arrangement for supporting roller |
| CN1746541A (en) * | 2005-09-30 | 2006-03-15 | 太原重型机械集团有限公司 | Sealer with assembled filmatic bearing of press |
| CN1902014A (en) * | 2004-01-03 | 2007-01-24 | Sms迪马格股份公司 | Sealing device for cylinder bearings |
| CN201180785Y (en) * | 2008-04-14 | 2009-01-14 | 江苏华东造纸机械有限公司 | Thin oil lubrication sealing device for vacuum roller inner container bearing |
-
2008
- 2008-04-24 CN CN2008100253137A patent/CN101566232B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881829A (en) * | 1986-06-30 | 1989-11-21 | Koelsch Lester M | Submersible bearing assembly |
| CN2274180Y (en) * | 1996-09-06 | 1998-02-11 | 谷明山 | Non-contact roller sealing device for belt conveyer |
| CN1902014A (en) * | 2004-01-03 | 2007-01-24 | Sms迪马格股份公司 | Sealing device for cylinder bearings |
| CN1696548A (en) * | 2004-05-11 | 2005-11-16 | 孙明昭 | Labyrinth type sealing arrangement for supporting roller |
| CN1746541A (en) * | 2005-09-30 | 2006-03-15 | 太原重型机械集团有限公司 | Sealer with assembled filmatic bearing of press |
| CN201180785Y (en) * | 2008-04-14 | 2009-01-14 | 江苏华东造纸机械有限公司 | Thin oil lubrication sealing device for vacuum roller inner container bearing |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平8-258947A 1996.10.08 |
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| CN101566232A (en) | 2009-10-28 |
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Granted publication date: 20120613 Termination date: 20190424 |
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