CN206746702U - A kind of vertical mill grinding roller bearing lubricating sealing device - Google Patents
A kind of vertical mill grinding roller bearing lubricating sealing device Download PDFInfo
- Publication number
- CN206746702U CN206746702U CN201720413806.2U CN201720413806U CN206746702U CN 206746702 U CN206746702 U CN 206746702U CN 201720413806 U CN201720413806 U CN 201720413806U CN 206746702 U CN206746702 U CN 206746702U
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- CN
- China
- Prior art keywords
- iron pipe
- grinding roller
- vertical mill
- sealing device
- roller bearing
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Abstract
The utility model discloses a kind of lubricating and sealing device, particularly a kind of vertical mill grinding roller bearing lubricating sealing device；The device includes the end cap being fixed on vertical mill body, axle sleeve is provided with the end cap, the axle with grinding roller one is provided with axle sleeve, the sealing ring with axle synchronous axial system is additionally provided with axle, the end cap is provided with outer iron pipe, interior iron pipe is provided with sealing ring, the interior iron pipe is inserted in outer iron pipe, interior iron pipe has gap with outer iron pipe and axle sleeve respectively, annular seal space is provided with the sealing ring, pressure air port is provided with the annular seal space, the annular seal space offers gas outlet built with lubricating oil on the sealing ring-side wall where interior iron pipe inner side；The utility model is solved because suction caused by the direct current of pressure air port causes a large amount of dust to enter bearing clearance, cause bearing service life short and bearing seal chamber lubricates a large amount of the problem of consuming, energy consumption and production cost are reduced, has the advantages that simple in construction, setting is reasonable, low manufacture cost.
Description
Technical field
A kind of lubricating and sealing device is the utility model is related to, particularly a kind of vertical mill grinding roller bearing lubricating sealing device,
Belong to machinery processing apparatus technical field.
Background technology
Vertical grinder is the in small, broken bits, drying of collection, grinding, selects powder, is transported in integral milling equipment, is widely used in cement, builds
The grinding and ultrafine grinding grinding of the various solid materials of the industries such as material, electric power, metallurgy, chemical industry, nonmetallic ore, its grinding process master
Material to be milled powdering by the relative motion between grinding roller and mill.And grinding roller and bearing, inside Vertical Mill, it is in powder
Dirt, high pressure working environment under work, operating mode is very severe, for protect bearing, generally to its lubricating system equipped with circulation petrol station,
Revealed simultaneously by bearing clearance in order to avoid Vertical Mill inside dust, aeroseal used by the sealing of situation bearing, i.e., to
Bearing seal intracavitary continues charged pressure gas, and its pressure should be equal with Vertical Mill chamber pressure, to stop in dust intrusion bearing
Portion, extend the service life of bearing.But in production, technical staff has found to contain a large amount of dust, Yi Jirun in bearing oil
Slippery oil pollution is serious, causes the replacement cycle excessively frequent, causes equipment energy consumption, production cost increase.
The content of the invention
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of simple in construction, design is closed
Reason, vertical mill grinding roller bearing lubricating sealing device easy to use.
The technical solution adopted in the utility model is as follows：
A kind of vertical mill grinding roller bearing lubricating sealing device, including the end cap being fixed on vertical mill body, in the end cap
Axle sleeve is provided with, rotatable and integral with grinding roller axle is provided with axle sleeve, is additionally provided with and axle synchronous axial system on the axle
Sealing ring, the end cap are provided with outer iron pipe, and interior iron pipe is provided with sealing ring, and the interior iron pipe is inserted in outer iron pipe, interior iron
Pipe has gap with outer iron pipe and axle sleeve respectively, and annular seal space is provided with the sealing ring, and pressure wind is provided with the annular seal space
Mouthful, the annular seal space is offered lubricating oil from annular seal space on the sealing ring-side wall where on the inside of interior iron pipe built with lubricating oil
The gas outlet being brought into gap.
The utility model produces pressure drop using gap, so as to which decline of pressure to atmospheric pressure, makes dust before gap is reached
Exocoel can not be leaked to.Lubricating oil is preset in annular seal space, when annular seal space pressed gas enters annular seal space by pressure air port
When, air-flow will carry lubricating oil enter gap, reduce interstitial gap, increase rate of pressure decay while, be interior iron pipe and
Increase necessary lubrication between outer iron pipe, to reduce friction, increase service life.So as to solve because Vertical Mill chamber pressure is big
In atmospheric pressure, larger chamber pressure can cause internal dust shape to be flowed by bearing internal external circle space at exocoel low pressure,
This will cause a large amount of dust to enter bearing internal external circle space, cause bearing service life shorten the problem of.
Further, the sealing ring is made into integration with interior iron pipe.Ability which ensures sealing effectiveness, ensures that air pressure is expired
Design requirement required for foot.
A kind of vertical mill grinding roller bearing lubricating sealing device of the present utility model, the outer iron pipe use welding side with end cap
Formula is fixedly connected.
Further, gas outlet shape in a ring.The design method is to meet that outlet is uniform, and makes lubricating oil
It can compare and balanced enter gap.
Further, the section in the gap is " U "-shaped.Pressure drop effect is more preferable caused by " u "-shaped gap, can effectively drop
Low internal pressure.
Further, the outer iron pipe and interior iron pipe sidewall thickness H are 18mm-22mm.
A kind of vertical mill grinding roller bearing lubricating sealing device of the present utility model, internal diameter and the interior iron pipe of the outer iron pipe
External diameter difference D is 1mm-2mm.Design sealing is preferably optimal
Further, the spacing between the interior iron pipe side wall and side wall of shaft sleeve and end cap is 1mm-2mm.The effect of which
Fruit is more preferably.
Further, the axle sleeve and end cap（2）It is integrated and is made.The bearing capacity of axle sleeve can be ensured.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：Of the present utility model one
Kind vertical mill grinding roller bearing lubricating sealing device is solved because suction caused by the direct current of pressure air port causes a large amount of dust to be entered
Enter bearing clearance, cause bearing service life short and bearing seal chamber lubricates a large amount of the problem of consuming, reduce energy consumption and life
Cost is produced, has the advantages that simple in construction, setting is reasonable, low manufacture cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is interior iron pipe and the structural representation of outer iron pipe assembling in the utility model.
Marked in figure：1- axles, 2- end caps, 3- sealing rings, 4- annular seal spaces, 5- pressure air port, the outer iron pipes of 6-, iron pipe in 7-,
8- axle sleeves, 9- gas outlets.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Embodiment
A kind of vertical mill grinding roller bearing lubricating sealing device, as shown in figure 1, including the end cap being fixed on vertical mill body
2, be provided with axle sleeve 8 in the end cap 2, be provided with axle sleeve 8 it is rotatable and with the axle 1 of grinding roller one, be additionally provided with axle 1 and axle
The sealing ring 3 of synchronous axial system, end cap 2 are provided with outer iron pipe 6, and interior iron pipe 7 is provided with sealing ring 3, and interior iron pipe 7 inserts outer iron pipe
In 6, interior iron pipe 7 has gap with outer iron pipe 6 and axle sleeve 8 respectively, and annular seal space 4 is provided with sealing ring 3, is set on the annular seal space 4
Pressure air port 5 is equipped with, annular seal space 4 is offered lubricating oil built with lubricating oil on the sealing ring-side wall where the interior inner side of iron pipe 7
The gas outlet 9 being brought into from annular seal space 4 in gap.
Specifically, the lithium saponify lubricating oil that the lubricating oil uses.
In the present embodiment, pressure drop is produced using gap, so as to which decline of pressure to atmospheric pressure, makes dust before gap is reached
Exocoel can not be leaked to.Lubricating oil is preset in annular seal space 4, when cavity pressure gas enters annular seal space by pressure air port,
Carrying lubricating oil is entered gap by air-flow, is reducing interstitial gap, while increasing rate of pressure decay, for interior iron pipe 7 and outside
Increase necessary lubrication between iron pipe 6, to reduce friction, increase service life.So as to solve because Vertical Mill chamber pressure is big
In atmospheric pressure, larger chamber pressure can cause internal dust shape to be flowed by bearing internal external circle space at exocoel low pressure,
This will cause a large amount of dust to enter bearing internal external circle space, cause bearing service life shorten the problem of.
As further optimization, in a wherein embodiment, sealing ring 3 is made into integration with interior iron pipe 7.When
So, as other embodiment, it can also be achieved a fixed connection by the way of welding, realize the effect of sealing.And use
It is made into integration its sealing effectiveness more preferably, service life is longer.And in another embodiment, outer iron pipe 6 uses with end cap 2
Welding manner is fixedly connected.
And, it is necessary to make lubricating oil be brought into gap under arbitrary angle, as realizing in certain degree
Effect, in a wherein embodiment, the shape in a ring of gas outlet 9.Certainly, the gas outlet can also be multiple concentric uniforms
It is distributed on sealing ring 3.And which needs the drive of iron pipe in rotation to be uniformly distributed lubricating oil, this is ineffective, it is impossible to
Enough effects fully lubricated.
As more specifical, in another embodiment, as shown in figure 1, the section in gap is " U "-shaped.The design side
Formula can embody the more preferable effect that U-typed gap produces pressure drop, can effectively reduce pressure difference, avoid fine impurities from falling
Enter outer ring gap.In a wherein embodiment, as shown in Fig. 2 the outer iron pipe 6 and interior sidewall thickness H of iron pipe 7 is 18mm-
22mm.Such as it may be selected to be 19mm, 20mm or 21mm.Which can either optimize structure, while can also ensure that sealing effect
Fruit, it is further ensured that abnormal bearing capacity.
As shown in Fig. 2 in a wherein embodiment, the external diameter difference D of the internal diameter of outer iron pipe 6 and interior iron pipe 7 is
1mm-2mm.According to experimental results, the sealing effectiveness in the gap is optimal, can effectively play sealing effectiveness.And in the number
It is worth in scope, 1.2mm, 1.4mm, 1.5mm, 1.6mm or 1.8mm can be selected.As preferably, 1.5mm is selected.
Further optimize in structure, in another embodiment, the interior side wall of iron pipe 7 and the side wall of axle sleeve 8 and end cap 2
Between spacing be 1mm-2mm.
As what is further optimized, in order to ensure the bearing capacity of axle sleeve 8, in another embodiment, axle sleeve 8 and end
Lid 2, which is integrated, to be made.
In summary, solved using a kind of vertical mill grinding roller bearing lubricating sealing device of the present utility model due to pressure
Suction caused by the direct current of air port causes a large amount of dust to enter bearing clearance, causes bearing service life short and bearing seal chamber
The problem of lubrication a large amount of consumption, reduce energy consumption and production cost, have it is simple in construction, set rationally, cost of manufacture it is low etc. excellent
Point.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
- A kind of 1. vertical mill grinding roller bearing lubricating sealing device, it is characterised in that：Including the end cap being fixed on vertical mill body （2）, the end cap（2）Inside it is provided with axle sleeve（8）, axle sleeve（8）Inside it is provided with rotatable and integral with grinding roller axle（1）, the axle （1）On be additionally provided with sealing ring with axle synchronous axial system（3）, the end cap（2）It is provided with outer iron pipe（6）, sealing ring（3）On set It is equipped with interior iron pipe（7）, the interior iron pipe（7）The outer iron pipe of insertion（6）It is interior, interior iron pipe（7）Respectively with outer iron pipe（6）And axle sleeve（8） With gap, the sealing ring（3）Inside it is provided with annular seal space（4）, the annular seal space（4）On be provided with pressure air port（5）, it is described close Seal chamber（4）Built with lubricating oil, interior iron pipe（7）Offered lubricating oil on sealing ring-side wall where inner side from annular seal space（4） The gas outlet being brought into gap（9）.
- A kind of 2. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 1, it is characterised in that：The sealing ring （3）With interior iron pipe（7）It is made into integration.
- A kind of 3. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 1, it is characterised in that：The outer iron pipe （6）With end cap（2）It is fixedly connected using welding manner.
- A kind of 4. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 1, it is characterised in that：The gas outlet （9）Shape in a ring.
- A kind of 5. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 1, it is characterised in that：The gap is cut Face is " U "-shaped.
- A kind of 6. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 1, it is characterised in that：The outer iron pipe （6）With interior iron pipe（7）Sidewall thickness H is 18mm-22mm.
- A kind of 7. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 1, it is characterised in that：The outer iron pipe （6）Internal diameter and interior iron pipe（7）External diameter difference D be 1mm-2mm.
- A kind of 8. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 7, it is characterised in that：The interior iron pipe （7）Side wall and axle sleeve（8）Side wall and end cap（2）Between spacing be 1mm-2mm.
- A kind of 9. vertical mill grinding roller bearing lubricating sealing device as claimed in claim 1, it is characterised in that：The axle sleeve（8） With end cap（2）It is integrated and is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413806.2U CN206746702U (en) | 2017-04-19 | 2017-04-19 | A kind of vertical mill grinding roller bearing lubricating sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413806.2U CN206746702U (en) | 2017-04-19 | 2017-04-19 | A kind of vertical mill grinding roller bearing lubricating sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206746702U true CN206746702U (en) | 2017-12-15 |
Family
ID=60614318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720413806.2U Expired - Fee Related CN206746702U (en) | 2017-04-19 | 2017-04-19 | A kind of vertical mill grinding roller bearing lubricating sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206746702U (en) |
-
2017
- 2017-04-19 CN CN201720413806.2U patent/CN206746702U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |