CN201627929U - Bearing seal device for washing segment roll in washing unit - Google Patents
Bearing seal device for washing segment roll in washing unit Download PDFInfo
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- CN201627929U CN201627929U CN2010201395373U CN201020139537U CN201627929U CN 201627929 U CN201627929 U CN 201627929U CN 2010201395373 U CN2010201395373 U CN 2010201395373U CN 201020139537 U CN201020139537 U CN 201020139537U CN 201627929 U CN201627929 U CN 201627929U
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Abstract
The utility model relates to an auxiliary device of coating a steel strip, in particular to a bearing seal device for washing a segment roll in a washing unit; wherein, the seal device is arranged between two end bearing covers and an output shaft. The device is configured in such a manner that on a bearing seat 10 an axial labyrinth sealing part is arranged; a Z-shaped rubber oil seal 9 is arranged between the axial labyrinth sealing part and the output shaft; the bearing covers include a first bearing cover 13 at the roller driven side and a second bearing cover 2 at the roller motor side; the first bearing cover 13 is fixed on a shaft 7; between the outside of the second bearing cover 2 and the shaft 7 a rotary shaft lip-shaped sealing ring 4 is arranged. The device has good sealing effect, effectively solves the sealing problem for the washing unit located at the position of the bearing seat for a long time, and enables the bearing to be well lubricated for a long time, thereby prolonging the service life of the bearing, improving the working efficiency and maximizing the benefit.
Description
Technical field
The utility model relates to a kind of auxiliary device of steel band coating, particularly a kind of associated sealing arrangement for bearings that is used for cleaning unit cleaning section roller bearings at both ends end cap and between centers.
Background technique
Before the steel band coating, for guaranteeing the coating quality, need the dirts such as many ROLLING OIL, machine oil, iron powder and dust of steel strip surface are washed, need it is carried out cleaning.For satisfying cleaning requirement, in the cleaning section of cleaning unit, need to use rollers such as squeezing roller, brush roll, back-up roll, turning roll and sinking roller, all stretch out from cleaning tank cell body tapping respectively at the two ends of these roller rotating shafts, and wherein an end links to each other with motor.Owing to extensively adopt vertical or horizontal spray Cleaning for High Capacity at present, a large amount of thermokalite spray Cleaning for High Capacity liquid and thermokalite mist vapour etc. are arranged, their The book of Changes cell body perforates or back fire or enter the bearing support inner chamber by the gap between bearing (ball) cover and the shaft along the axle surface in cleaning tank.In addition, because it is higher to clean the unit ambient humidity, light and temperature, at motor side, outside steam and minute impurities are also invaded the bearing support inner chamber in The book of Changes bearing (ball) cover outside.These all can cause contaminated and rotten or diluted being lost of lubricating grease, and the insufficient lubrication of bearing causes friction and heating to increase, and bearing temperature raises, and high temperature makes bearing material hardness reduce, and influences bearing life.And because most motors and bearing support are difficult to dismounting, and do not adopt usually to shut down and change bearing, therefore must consider as first prolonging bearing life.And prevent that external harmful matter from invading, creating very desirable lubricating condition is the important assurance that prolongs bearing life, this just need carry out the sealing of bearing both sides, thereby make bearing realize long-term perfect lubrication, could reduce the probability of fatigue failure on sliding pair two surfaces greatly, effectively improve the working life of bearing, make the bearing can be at a high speed, normal operation spends minimum maintenance cost simultaneously under the high temperature, thereby make the equipment can be at high load more, more speed, more turn round under the low noise condition, and possess more long life high-efficient operation, finally obtain more high benefit.The sealing means that adopts in the actual production at present is contact-type motive sealing pattern.Be specially following three kinds:
1. adopt the felt collar oil sealing between bearing (ball) cover and shaft, it is sealing material that this project organization adopts felt, and because of felt itself is freely to place, no axial pressing force, sealed medium can only be the bigger oil products of stickiness.Because of the felt circle is bigger with axle frictional force, should not rotate flexibly at needs and use in the occasion again.When using this project organization, good seal in a short time, after running a period of time, the felt collar of outside at first contact with dirt and can not get oiling agent in the bearing, so drying follows the string gradually, reveals the gap to occur, and sealing is failed.
2. between bearing (ball) cover and shaft, adopt Z-shaped rubber oil sea, this project organization only can effectively stop towards the leakage of side liquid, but can't stop the intrusion of opposite side liquid; In addition, adopting single rubber is sealing material, and the pressure of oil sealing cutting edge is realized by rubber entirely, and rubber elasticity is had relatively high expectations, and more frequent because of the environment temperature variation, rubber is easily aging to follow the string, thereby causes the sealing failure.
3. between bearing (ball) cover and shaft, adopt single rotary shaft lip seal, this structure than second kind of structure many spring ring, because the contractile force of self-tightening spring produces certain power of radially holding tightly to seal shaft, make sealing effect better, but with Z-shaped rubber seal, sealing lip can only be used to prevent releasing of internal lubrication oil towards bearing, can not stop the intrusion of extraneous dust foreign material.
In sum, because cleaning section roller bearings at both ends end cap and between centers sealing can not well solve in the cleaning unit, make thermokalite mist vapour and thermokalite spray Cleaning for High Capacity liquid, perhaps splash or the gap that arrives between bearing (ball) cover and the shaft along axle surface enter the bearing support inner chamber, the insufficient lubrication of bearing, friction increases with heating, bearing temperature raises, the jam phenomenon appears in bearing, roller can not rotate, the roll surface uneven wear, and impression appears in belt steel surface, thereby influence steel band coating quality, cause equipment operation efficient lower.
Summary of the invention
The purpose of this utility model provides a kind of associated sealing arrangement for bearings that is used to clean the cleaning section roller of unit, is used for the seal arrangement of rod bearings at both ends end cap and between centers.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of associated sealing arrangement for bearings that is used for cleaning unit cleaning section roller, it is characterized in that, the sealing device is between bearings at both ends end cap and shaft, and it comprises: axial labyrinth seal parts are arranged on the bearing support 10, are Z type rubber oil sea 9 between labyrinth seal parts and the shaft axially;
Wherein, described bearing (ball) cover comprises the clutch shaft bearing end cap 13 of roller slave end and second bearing (ball) cover 2 of roller motor side, and clutch shaft bearing end cap 13 is fixed on the axle 7, and second bearing (ball) cover, 2 outsides and 7 on axle are equipped with rotary shaft lip seal 4.
Uniform four Cock screws 14 on the circumference of clutch shaft bearing end cap 13, the termination of Cock screw 14 insert on the axle 7 in the corresponding eyelet 16.
Axial labyrinth seal parts on the bearing support 10 comprise axial labyrinth seal groove 11 and axial labyrinth seal bar 12, form labyrinth gap therebetween, fill with lubricating grease in the gap.
Z-shaped rubber oil sea 9 is installed towards aligning roller bearing 8, fills with lubricating grease in the gap of its formation.
Two rotary shaft lip seals 4 in second bearing (ball) cover, 2 outsides are installed relatively with the pattern that interior bag skeleton, spring are imbedded in leather cup inside; Wherein, spring material is a stainless steel, and it is the seal ring of rubber that interior bag skeleton adopts periphery.
Z-shaped rubber oil sea 9, rotary shaft lip seal 4 adopt the fluorine rubber material, and hardness is that Shao Shi A is between 65-70.
Uniform four holes 3 on second bearing (ball) cover, 2 outer circumference.
The outer end of second bearing (ball) cover, 2 place's shafts has chamfering.
Have chamfering on the shaft shoulder 17 at end face 1 place.
On the described axle 7, rotary shaft lip seal 4 and Z-shaped rubber oil sea 9 places are installed, the numerical value of surface roughness is 0.8-3.2 μ m, and surface hardness is 30-40HRC or chromium plating.
Compared with prior art, the beneficial effects of the utility model are:
Clean the associated sealing arrangement for bearings of the cleaning section roller of unit according to the utility model being used to of obtaining, it is seal arrangement at roller bearings at both ends end cap and between centers, its good sealing effect, solved the sealing problem that the washing machine group leader phase is present in the bearing support place effectively, make bearing obtain long-term good lubricating, thereby prolonged bearing working life, improved working efficiency, make maximizing the benefits.
Description of drawings:
Fig. 1 is for being equipped with cleaning slot part plan view of the present utility model;
Fig. 2 is for being equipped with cleaning tank part side view of the present utility model;
Fig. 3 is for being equipped with cleaning tank part side-looking partial enlarged drawing of the present utility model.
Reference character
1 second bearing (ball) cover end face, 2 second bearing (ball) covers
3 holes, 4 rotary shaft lip seals
5 orifice rings, 6 orifice ring bottoms
78 aligning roller bearings
9 Z-shaped rubber oil sea 10 bearing supports
11 axial labyrinth seal groove 12 axial labyrinth seal bars
13 clutch shaft bearing end caps, 14 Cock screws
15 single ear anti-motion washers, 16 eyelets
17 shaft shoulders, 18 cleaning tank cell bodies
Embodiment
Be used to clean the cleaning section roller bearings at both ends end cap of unit and the seal arrangement of between centers is described in detail to described in the utility model with reference to the accompanying drawings below:
As Figure 1-3, a kind of seal arrangement that is used for cleaning unit cleaning section roller bearings at both ends end cap and between centers comprises: not second bearing (ball) cover 2 of the clutch shaft bearing end cap 13 of charged pusher side, charged pusher side, labyrinth seal groove 11, labyrinth seal bar 12, Z type rubber oil sea 9; Clutch shaft bearing end cap 13 is fixing by Cock screw 14, and second bearing (ball) cover, 2 outsides and 7 on axle are equipped with rotary shaft lip seal 4 and seal.Uniform four Cock screws 14 on clutch shaft bearing end cap 13 circumference, its termination insert respectively on the axle 7 in the corresponding eyelet 16.Installation shaft comprises axial labyrinth seal groove 11 and axial labyrinth seal bar 12 to labyrinth seal on the bearing support 10.The Z-shaped rubber oil sea 9 of labyrinth seal groove 11 other installations.At charged pusher side, second bearing (ball) cover, 2 outsides are equipped with uniform four holes 3 on two rotary shaft lip seals, 4, the second bearing (ball) covers, 2 circumference relatively.
Described Cock screw 14 is the oval styletable patterns of square toes, and its ailhead is pinned by four single ear anti-motion washers 15, prevents to become flexible; Open a big chamfering in the shaft shoulder 17 and end face 1 contacting point, make things convenient for the installation and removal of single ear anti-motion washer 15 curved ears.The curved ear of single ear anti-motion washer 15 allows nut screwing clamping to be locked in any position, and is locking reliable.
Between axial labyrinth seal groove 11 on the described bearing support 10 and the axial labyrinth seal bar 12, form very little labyrinth gap, oiling agent is through throttling repeatedly and produce very big energy loss, pressure head greatly descends, be difficult to seepage, can effectively stop the thermokalite cleaning solution of cleaning tank cell body 18 interior thermokalite mist vapour and splash, enter bearing support 10 inner chambers, realize sealing along the slight gap between clutch shaft bearing end cap 13 and the axle 7.
Described Z-shaped rubber oil sea 9 is installed towards aligning roller bearing 8, fill in the gap with lubricating grease, and the area of contact of increase lip and axle, utilize the pressure of lubricating grease to increase the area of contact of lip with axle, can effectively stop the lubricating grease in the bearing support chamber outwards to be revealed.Combine with labyrinth gland, can realize sealing fully.
Two rotary shaft lip seals 4 on described second bearing (ball) cover 2 are installed relatively, and bag skeleton, spring are imbedded in the pattern of leather cup inside in selecting for use.Seal ring is kept certain radial force by adding spring.Spring and pressure medium difference that rotary shaft lip seal 4 relies on circle to be imbedded in leather cup inside are attached on the axle, and helical spring can not deviate from leather cup under the environment of high vibration.Wherein, spring material adopts stainless steel, as 1Cr18Ni9TI, media-resistant corrosion, serviceability temperature-100 ℃～200 ℃ can keep original elasticity under the long-term work condition, behind ring wear, still can keep necessary impacting force, can the wearing and tearing of compensation sealing circle and beating of hunting shaft; In the bag skeleton to adopt periphery be the seal ring of rubber because rubber is different with the steel expansion coefficient, avoided periphery to use the rubber ring of Steel Skeleton, in temperature during above 80 ℃, the cylindrical matching loose that causes and produce the phenomenon of leakage.
Described Z-shaped rubber oil sea 9, rotary shaft lip seal 4 adopt the fluorine rubber material, and hardness is between 65-70 (Shao Shi A).Utilize fluorine rubber oil resistant, big, the splendid characteristics of acid-and base-resisting performance of heat-resisting, mechanical strength, when having avoided heating to surpass the rubber allowable temperature, ageing of rubber, be full of cracks and the problem of damaging.And the sealability of the oil sealing of rubber hardness between 65-70 (Shao Shi A) is better.Use with spring assembly, sealing effect is better.
Orifice ring 5 in the middle of the described lip-type packing can spill the hole in order to add oiling agent, also to can be used as, and middle orifice ring bottom 6 can be in order to kind of lubricant storage, to reduce friction.
Four uniform holes 3 on described second bearing (ball) cover, 2 circumference are used for rotary shaft lip seal 4 for convenience detach, get aperture and are
Also can be used as the oiling agent hole of bleeding.Utilize the pressure of oiling agent, help to increase the area of contact of lip and axle, hide the resistance leakage-gap, sealing effect is better; And big chamfering is opened in the outer end of second bearing (ball) cover, 2 place's shafts, makes things convenient for seal ring to install and avoid damaging when mounted.
On the described axle 7, rotary shaft lip seal 4, Z-shaped rubber oil sea 9 places are installed, the numerical value of surface roughness is 0.8-3.2 μ m, and surface hardness is 30-40HRC or chromium plating.The surface is too smooth, and oil is extruded from sealing contact surface easily, and oil film attenuation or disappearance cause lip heating or burn out; Otherwise the lip rapid wear causes leakage.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed in of the present utility model.
Claims (11)
1. associated sealing arrangement for bearings that is used for cleaning unit cleaning section roller, it is characterized in that, the sealing device is between bearings at both ends end cap and shaft, and it comprises: axial labyrinth seal parts are arranged on the bearing support (10), are Z type rubber oil sea (9) between labyrinth seal parts and the shaft axially;
Wherein, described bearing (ball) cover comprises the clutch shaft bearing end cap (13) of roller slave end and second bearing (ball) cover (2) of roller motor side, clutch shaft bearing end cap (13) is fixed on the axle (7), between second bearing (ball) cover (2) outside and axle (7) rotary shaft lip seal (4) is installed.
2. seal arrangement according to claim 1 is characterized in that, uniform four Cock screws (14) on the circumference of clutch shaft bearing end cap (13), and the termination of Cock screw (14) is inserted axle (7) and is gone up in the corresponding eyelet (16).
3. seal arrangement according to claim 1 is characterized in that, the axial labyrinth seal parts on the bearing support (10) comprise axial labyrinth seal groove (11) and axial labyrinth seal bar (12), form labyrinth gap therebetween, fill with lubricating grease in the gap.
4. seal arrangement according to claim 1 is characterized in that, Z-shaped rubber oil sea (9) is installed towards aligning roller bearing (8), fills with lubricating grease in the gap of its formation.
5. seal arrangement according to claim 1 is characterized in that, two rotary shaft lip seals (4) in second bearing (ball) cover (2) outside are installed relatively with the pattern that interior bag skeleton, spring are imbedded in leather cup inside; Wherein, spring material is a stainless steel, and it is the seal ring of rubber that interior bag skeleton adopts periphery.
6. seal arrangement according to claim 1 is characterized in that, Z-shaped rubber oil sea (9), rotary shaft lip seal (4) adopt the fluorine rubber material, and hardness is that Shao Shi A is between 65-70.
7. seal arrangement according to claim 2, it is characterized in that, Cock screw (14) is the oval styletable patterns of square toes, and its ailhead is pinned by four single ear anti-motion washers (15), and the curved ear of single ear anti-motion washer (15) is stuck on the end face (1) of clutch shaft bearing end cap (13).
8. seal arrangement according to claim 5 is characterized in that, uniform four holes (3) on second bearing (ball) cover (2) outer circumference.
9. seal arrangement according to claim 5 is characterized in that, the outer end that second bearing (ball) cover (2) is located shaft has chamfering.
10. seal arrangement according to claim 7 is characterized in that, has chamfering on the shaft shoulder (17) that end face (1) is located.
11. seal arrangement according to claim 1 is characterized in that, on the described axle (7), rotary shaft lip seal (4) is installed and Z-shaped rubber oil sea (9) is located, the numerical value of surface roughness is 0.8-3.2 μ m, and surface hardness is 30-40HRC or chromium plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201395373U CN201627929U (en) | 2010-03-23 | 2010-03-23 | Bearing seal device for washing segment roll in washing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201395373U CN201627929U (en) | 2010-03-23 | 2010-03-23 | Bearing seal device for washing segment roll in washing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201627929U true CN201627929U (en) | 2010-11-10 |
Family
ID=43059321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201395373U Expired - Fee Related CN201627929U (en) | 2010-03-23 | 2010-03-23 | Bearing seal device for washing segment roll in washing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201627929U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485359A (en) * | 2010-12-02 | 2012-06-06 | 核动力运行研究所 | Guide mechanism for cleaning drum of bolt hole |
| CN102705517A (en) * | 2012-06-07 | 2012-10-03 | 中国重型机械研究院有限公司 | Bearing sealing waterproof structure |
| CN103538896A (en) * | 2013-09-29 | 2014-01-29 | 江苏恒远国际工程有限公司 | Aligning friction roller for belt conveyor |
| CN109127510A (en) * | 2018-08-21 | 2019-01-04 | 武汉华星光电技术有限公司 | A kind of brushing device and cleaning equipment |
| CN110560422A (en) * | 2019-09-18 | 2019-12-13 | 常州捷佳创精密机械有限公司 | Cleaning tank and cleaning equipment |
| US10946418B2 (en) | 2018-08-21 | 2021-03-16 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Scrubbing device and cleaning equipment |
-
2010
- 2010-03-23 CN CN2010201395373U patent/CN201627929U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485359A (en) * | 2010-12-02 | 2012-06-06 | 核动力运行研究所 | Guide mechanism for cleaning drum of bolt hole |
| CN102705517A (en) * | 2012-06-07 | 2012-10-03 | 中国重型机械研究院有限公司 | Bearing sealing waterproof structure |
| CN102705517B (en) * | 2012-06-07 | 2014-11-05 | 中国重型机械研究院有限公司 | Bearing sealing waterproof structure |
| CN103538896A (en) * | 2013-09-29 | 2014-01-29 | 江苏恒远国际工程有限公司 | Aligning friction roller for belt conveyor |
| CN109127510A (en) * | 2018-08-21 | 2019-01-04 | 武汉华星光电技术有限公司 | A kind of brushing device and cleaning equipment |
| CN109127510B (en) * | 2018-08-21 | 2020-10-13 | 武汉华星光电技术有限公司 | Brushing device and cleaning equipment |
| US10946418B2 (en) | 2018-08-21 | 2021-03-16 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Scrubbing device and cleaning equipment |
| CN110560422A (en) * | 2019-09-18 | 2019-12-13 | 常州捷佳创精密机械有限公司 | Cleaning tank and cleaning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20170323 |