CN218118598U - Vertical grinding roller sealing device - Google Patents
Vertical grinding roller sealing device Download PDFInfo
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- CN218118598U CN218118598U CN202222836457.9U CN202222836457U CN218118598U CN 218118598 U CN218118598 U CN 218118598U CN 202222836457 U CN202222836457 U CN 202222836457U CN 218118598 U CN218118598 U CN 218118598U
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- friction ring
- bearing gland
- grinding roll
- vertical grinding
- vertical
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Abstract
The utility model discloses a grinding roller sealing device of a vertical grinding mill, wherein an O-shaped ring is arranged on the inner wall of a friction ring, a tubular bearing gland is sleeved outside the friction ring, and an annular through cover is arranged between the end part of the bearing gland and the friction ring; at least two fluorine rubber oil seals are arranged between the bearing gland and the friction ring, an annular spacer bush is arranged between at least two adjacent fluorine rubber oil seals, and graphite packing is filled among the friction ring, the transparent cover and the bearing gland; the vertical mill has the advantages of compact structure, lubrication guarantee, abrasion reduction, excellent sealing effect, oil leakage prevention, long service life, great improvement on the running efficiency of the vertical mill, reduction in maintenance cost and reduction in economic loss caused by production stop due to maintenance.
Description
Technical Field
The utility model belongs to the technical field of the vertical mill, concretely relates to vertical mill grinding roller sealing device.
Background
At present, a vertical mill is widely applied to the ore milling industries of electric power, cement, chemical industry, nonmetal and the like, and is energy-saving and environment-friendly equipment in the milling industry.
In the prior art, a grinding roller device of the vertical mill is lubricated by lubricating oil, so that oil leakage sometimes occurs along with the abrasion of a sealing piece, the replacement and the maintenance are complicated, and meanwhile, the production stop of equipment is caused, and the economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vertical mill grinding roller sealing device through fluorine glue oil blanket combination graphite packing class improvement structure, can have good lubricating property, reduces or avoids wearing and tearing, guarantees long-term good sealed effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sealing device for a grinding roller of a vertical grinding mill comprises a friction ring, wherein an O-shaped ring is arranged on the inner wall of the friction ring, a tubular bearing gland is sleeved outside the friction ring, and an annular through cover is arranged between the end part of the bearing gland and the friction ring; at least two fluorine rubber oil seals are arranged between the bearing gland and the friction ring, an annular spacer bush is arranged between at least two adjacent fluorine rubber oil seals, and graphite packing is filled among the friction ring, the transparent cover and the bearing gland.
Preferably, the number of the fluorine rubber oil seals is four.
Preferably, a spacer bush is respectively arranged between two adjacent fluorine rubber oil seals at two ends.
Preferably, the number of the O-rings is at least two.
Preferably, the plurality of O-rings are evenly distributed.
Preferably, the transparent cover and the bearing gland are connected through bolts.
Preferably, the end part of the transparent cover is provided with a flange which is blocked outside the end part of the bearing gland.
Preferably, the bolt is connected between the flange and the end face of the bearing gland.
Preferably, the number of bolts is at least two and evenly distributed.
Preferably, the flange is perpendicular to the transparent cover.
The utility model discloses can reach following beneficial effect:
the utility model discloses a vertical grinding roller sealing device, a plurality of fluorine glue oil seals form the seal chamber, prevent lubricating oil leakage, and fluorine glue oil seal weatherability is better, and life is longer; graphite packing is filled among the bearing gland, the transparent cover and the friction ring, and a gap between the bearing gland and the friction ring can be adjusted by adjusting a bolt connected between the transparent cover and the bearing gland, so that external dust is prevented from entering; meanwhile, the graphite filler has a self-lubricating effect, so that abrasion of parts is avoided, and the service life is prolonged.
The utility model discloses a vertical mill grinding roller sealing device, fluorine glue oil blanket seal combines the compact structure of graphite packing, guarantees lubricated, reduces wearing and tearing, and is sealed effectual, avoids the emergence of oil leak phenomenon to long service life has improved the running efficiency who immediately grinds greatly, reduces the maintenance cost, has reduced because of the maintenance produces the economic loss who causes of stopping production.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a sectional view of the vertical grinding roller sealing device according to an embodiment of the present invention.
In the drawing, the reference numeral 1 is an O-shaped ring, 2 is a friction ring, 3 is a transparent cover, 301 is a flanging, 4 is graphite packing, 5 is a bearing gland, 501 is a bolt, 6 is a fluorine rubber oil seal, and 7 is a spacer bush.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1, the grinding roller sealing device for the vertical grinding roller comprises a friction ring 2, wherein an O-shaped ring 1 is arranged on the inner wall of the friction ring 2, a tubular bearing gland 5 is sleeved outside the friction ring 2, and an annular through cover 3 is arranged between the end part of the bearing gland 5 and the friction ring 2; at least two fluorine rubber oil seals 6 are arranged between the bearing gland 5 and the friction ring 2, an annular spacer 7 is arranged between at least two adjacent fluorine rubber oil seals 6, and graphite packing 4 is filled among the friction ring 2, the transparent cover 3 and the bearing gland 5.
This vertical mill grinding roller sealing device, the grinding roller axle sleeve of vertical mill establishes in O type circle 1 and friction ring 2. When the vertical mill runs, the friction ring 2 on the grinding roller shaft and the fluorine rubber oil seal 6 rotate relatively, and the plurality of fluorine rubber oil seals 6 form a sealing cavity to prevent lubricating oil from leaking. The fluorine rubber oil seal 6 is more weather-proof and has longer service life. Adopt graphite packing 4 to fill between bearing gland 5, the transparent cover 3, the friction ring 2, can prevent the entering of outside dust, graphite packing 4 has self-lubricating function simultaneously, so can not cause wearing and tearing for the part to life has been prolonged.
This vertical mill grinding roller sealing device, fluorine glue oil blanket 6 adds the compact structure of graphite packing 4, and sealed effect is good, has solved the emergence of oil leak phenomenon to long service life, great improvement the running efficiency of vertical mill, reduced because of the maintenance the expense that the production stoppage produced.
The spacer 7 is sleeved outside the friction ring 2. The quantity of fluorine rubber oil seal 6 can be four, and the sealing effect can be improved by the combination of a plurality of oil seals. And a spacer 7 can be respectively arranged between two adjacent fluorine rubber oil seals 6 at two ends. The number of the O-rings 1 can be at least two, and a plurality of the O-rings 1 can be uniformly distributed.
The transparent cover 3 and the bearing gland 5 can be connected through the bolt 501, so that the clearance between the bearing gland 5 and the friction ring 2 can be adjusted by adjusting the tightness degree of the bolt 501, and the entering of external dust is prevented.
In order to facilitate the arrangement of the bolt 501 for connecting the transparent cover 3 and the bearing cover 5, the end of the transparent cover 3 may be provided with a flange 301 which is blocked outside the end of the bearing cover 5. Bolt 501 may be connected between flange 301 and the end face of bearing gland 5. The number of bolts 501 may be at least two and evenly distributed. The flange 301 may be perpendicular to the lid 3.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A sealing device for a grinding roller of a vertical grinding mill comprises a friction ring and is characterized in that an O-shaped ring is arranged on the inner wall of the friction ring, a tubular bearing gland is sleeved outside the friction ring, and an annular through cover is arranged between the end part of the bearing gland and the friction ring; at least two fluorine rubber oil seals are arranged between the bearing gland and the friction ring, an annular spacer bush is arranged between at least two adjacent fluorine rubber oil seals, and graphite packing is filled among the friction ring, the transparent cover and the bearing gland.
2. The grinding roll sealing apparatus for a vertical grinding roll according to claim 1, wherein the number of the fluoro-rubber oil seals is four.
3. A grinding roll sealing device for a vertical grinding roll according to claim 1, wherein the spacers are respectively disposed between two adjacent fluorine rubber oil seals at both ends.
4. The vertical grinding roll sealing apparatus of claim 1, wherein the number of O-rings is at least two.
5. The vertical grinding roll sealing apparatus of claim 4, wherein the plurality of O-rings are evenly distributed.
6. A vertical grinding roll sealing apparatus according to any one of claims 1 to 5, wherein the through cover and the bearing gland are bolted together.
7. The vertical grinding roll sealing device according to claim 6, wherein the end of the transparent cover is provided with a flange which is arranged to block the outer side of the end of the bearing gland.
8. A grinding roll sealing apparatus according to claim 7, wherein the bolts are connected between the flange and the end face of the bearing gland.
9. The vertical grinding roll sealing apparatus of claim 6, wherein the number of bolts is at least two and is evenly distributed.
10. The vertical grinding roll sealing apparatus of claim 7, wherein the flange is perpendicular to the transparent cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222836457.9U CN218118598U (en) | 2022-10-27 | 2022-10-27 | Vertical grinding roller sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222836457.9U CN218118598U (en) | 2022-10-27 | 2022-10-27 | Vertical grinding roller sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218118598U true CN218118598U (en) | 2022-12-23 |
Family
ID=84497195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222836457.9U Active CN218118598U (en) | 2022-10-27 | 2022-10-27 | Vertical grinding roller sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218118598U (en) |
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2022
- 2022-10-27 CN CN202222836457.9U patent/CN218118598U/en active Active
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