CN217464014U - Lubricated formula grinding roller assembly - Google Patents
Lubricated formula grinding roller assembly Download PDFInfo
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- CN217464014U CN217464014U CN202221827850.5U CN202221827850U CN217464014U CN 217464014 U CN217464014 U CN 217464014U CN 202221827850 U CN202221827850 U CN 202221827850U CN 217464014 U CN217464014 U CN 217464014U
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Abstract
The utility model provides a lubrication type grinding roller assembly, wherein a grinding roller drives a grinding roller sleeve and a bearing to rotate, and a grinding roller shaft is fixed; high-temperature-resistant engine oil can be filled in the grinding roller sleeve and the bearing sleeve, so that the bearing is soaked in the engine oil, and the engine oil plays roles in lubricating the bearing and dissipating heat, thereby improving the fluidity and lubricity of a lubricating medium, improving the high-temperature resistance of equipment and reducing the internal abrasion of the grinding roller assembly; and the end part of the grinding roller shaft is provided with a gland, and the gland is provided with a sealing element, so that the internal abrasion of the grinding roller assembly can be reduced, the assembly is difficult to leak oil, dust is difficult to enter an assembly cavity, the service life of the grinding roller assembly is prolonged, and the cost is reduced.
Description
Technical Field
The utility model provides a lubricated formula grinding roller assembly belongs to mechanical equipment technical field.
Background
At present, the Raymond mill is widely applied to the high-fine milling processing of various materials in industries such as barite, calcite and the like, wherein the Mohs hardness of the materials is not more than 9.3, and the humidity of the materials is below 6 percent, such as non-flammable and non-explosive mineral products, chemical engineering, buildings and the like.
In the prior art, a grinding roller assembly of a Raymond mill is lubricated by lubricating grease. The disadvantages are that: when the grinding roller assembly is just started, the temperature in the grinding machine is low, so that the lubricating grease is poor in mobility, the position needing to be lubricated is not lubricated in place, the abrasion in the grinding roller assembly is fast, oil leakage and dust enter an assembly cavity, the grinding roller cannot rotate finally, the service life of the grinding roller assembly is shortened, and the user cost is increased.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned that exists to prior art, the utility model aims at providing a lubricated formula grinding roller assembly improves the mobility of lubricating medium and lubricity, alleviates grinding roller assembly internal wear, avoids oil leakage and dust to get into the assembly intracavity, improves grinding roller assembly life, reduce cost.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
a lubrication type grinding roller assembly comprises a grinding roller shaft, a grinding roller sleeve, a grinding roller and a bearing sleeve, wherein the grinding roller shaft is fixed, the grinding roller sleeve and the bearing sleeve are respectively sleeved outside the grinding roller shaft in a rotating mode through a first bearing and a second bearing, and the grinding roller is sleeved outside the grinding roller sleeve; the end part of the grinding roller shaft is provided with a gland which is provided with a sealing element; a gap cavity is arranged between the grinding roller sleeve and the grinding roller shaft and between the bearing sleeve and the grinding roller shaft, and lubricating media for lubricating the first bearing and the second bearing are filled in the gap cavity.
Preferably, the first bearing is located below the second bearing.
Preferably, the gland comprises a bottom cover located below the bottom end of the grinding roller shaft, a vertical oil drainage through hole is formed in the bottom cover, and an oil drainage bolt is arranged in the oil drainage through hole.
Preferably, the sealing member of the bottom cover comprises a first gland nut, the bottom cover is externally provided with an external thread section, the first gland nut is connected with the external thread section, and the top surface of the first gland nut contacts the bottom surface of the grinding roller.
Preferably, the sealing member of the bottom cover further comprises a second compression nut, a first connecting bolt and a locking bolt, the second compression nut is connected to the external thread section, and the second compression nut is positioned below the first compression nut; the first compression nut is connected with the second compression nut through a first connecting bolt, the locking bolt is arranged on the bottom cover, and the first connecting bolt is connected with the locking bolt through a dismounting connecting piece.
Preferably, the upper part of the grinding roller shaft is sleeved with a shaft sleeve, the gland comprises an annular top cover sleeved outside the shaft sleeve, and the top cover is positioned above the bearing sleeve; the sealing element of the top cover comprises an oil seal which is arranged between the top cover and the shaft sleeve.
Preferably, the sealing element of the top cover further comprises an annular sealing cover and a sealing ring, the sealing cover is sleeved outside the top cover, and the sealing cover is arranged between the sealing cover and the top cover.
Preferably, the bottom surface of the top cover is contacted with the top surface of the bearing sleeve, and the bearing sleeves of the top cover are connected through a second connecting bolt.
Preferably, the grinding roller sleeve is positioned below the bearing sleeve, the outer part of the grinding roller sleeve is sleeved with a connecting ring, the top surface of the connecting ring is in contact with the bottom surface of the bearing sleeve, and the connecting ring is connected with the bearing sleeve through a second connecting bolt.
Preferably, the top of the grinding roller shaft is sleeved with a cylindrical cross arm head, and the cross arm head is connected with a cross arm shaft.
The utility model discloses a lubricated formula grinding roller assembly has following beneficial effect at least:
1. in the lubricating type grinding roller assembly of the utility model, the grinding roller drives the grinding roller sleeve and the bearing to rotate, and the grinding roller shaft is fixed; and high-temperature resistant engine oil can be filled in the grinding roller sleeve and the bearing sleeve, so that the bearing is soaked in the engine oil, and the engine oil plays roles in lubricating the bearing and dissipating heat, thereby improving the fluidity and lubricity of a lubricating medium, improving the high-temperature resistance of equipment and reducing the internal abrasion of the grinding roller assembly.
2. The utility model discloses a lubricated formula grinding roller assembly soaks the lubricated medium structure through the bearing, and grinding roller shaft end sets up the gland, and the gland sets up the sealing member, can alleviate the inside wearing and tearing of grinding roller assembly for this assembly is difficult for the oil leak, and the difficult assembly intracavity that gets into of dust increases the life of grinding roller assembly, reduce cost.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a lubricating type grinding roller assembly according to an embodiment of the present invention.
In the figure: the grinding roll comprises a grinding roll shaft 1, a grinding roll sleeve 2, a grinding roll 3, a first bearing 4, a bearing sleeve 5, a second bearing 6, an oil drain bolt 7, a first compression nut 8, a locking bolt 9, a top cover 10, a shaft sleeve 11, an oil seal 12, a sealing cover 13, a sealing ring 14, a second connecting bolt 15 and a cross arm head 16.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Examples
As shown in FIG. 1, a lubrication type grinding roller assembly comprises a grinding roller shaft 1, a grinding roller sleeve 2, a grinding roller 3 and a bearing sleeve 5, wherein the grinding roller shaft 1 is fixed, the grinding roller sleeve 2 and the bearing sleeve 5 are respectively sleeved outside the grinding roller shaft 1 in a rotating manner through a first bearing 4 and a second bearing 6, and the grinding roller 3 is sleeved outside the grinding roller sleeve 2; a gland is arranged at the end part of the grinding roll shaft 1 and provided with a sealing element; a clearance cavity is arranged between the grinding roller sleeve 2, the bearing sleeve 5 and the grinding roller shaft 1, and lubricating media for lubricating the first bearing 4 and the second bearing 6 are filled in the clearance cavity.
The lubricating medium may be engine oil or lubricating grease. Taking engine oil as an example, when the grinding roll works, the grinding roll 3 drives the grinding roll sleeve 2, the first bearing 4 and the second bearing 6 to rotate, and the grinding roll shaft 1 is fixed; high-temperature-resistant engine oil is filled in the grinding roller sleeve 2 and the bearing sleeve 5, so that the first bearing 4 and the second bearing 6 are soaked in the engine oil, and the engine oil plays roles in lubricating the bearings and dissipating heat, so that the fluidity and lubricity of a lubricating medium are improved, the high-temperature resistance of equipment is improved, and the internal abrasion of the grinding roller assembly is reduced; the abrasion in the grinding roller assembly is reduced, so that the assembly is not easy to leak oil, dust is not easy to enter an assembly cavity, and the service life of the grinding roller assembly is prolonged. The end part of the grinding roller shaft 1 is provided with a gland, and the gland is provided with a sealing element, so that a sealing storage effect on a lubricating medium can be achieved.
Wherein the first bearing 4 is located below the second bearing 6. The gland can comprise a bottom cover positioned below the bottom end of the grinding roll shaft 1, the bottom cover is provided with a vertical oil drainage through hole, and an oil drainage bolt 7 is arranged in the oil drainage through hole; when the oil drain bolt 7 is removed, the lubricating oil in the grinding roller sleeve 2 and the bearing sleeve 5 can be put in and discharged; when the oil drain bolt 7 is installed, lubricating oil in the grinding roller sleeve 2 and the bearing sleeve 5 can be sealed.
The sealing member of the bottom cover may comprise a first gland nut 8, an external threaded section is provided outside the bottom cover, the first gland nut 8 is connected to the external threaded section, and the top surface of the first gland nut 8 contacts the bottom surface of the grinding roller 3; the bottom cover is pressed and contacted with the grinding roller 3 through the first compression nut 8, and the connection sealing effect is achieved.
Wherein, the bottom cover is in a transverse plate shape and can be a circular plate.
The sealing member of the bottom cover may further include a second compression nut coupled to the external thread section, the second compression nut being located below the first compression nut 8, a first coupling bolt, and a locking bolt 9; the first compression nut 8 and the second compression nut are connected through a first connecting bolt, the locking bolt 9 is arranged on the bottom cover, and the first connecting bolt is connected with the locking bolt 9 through a detachable connecting piece; the locking bolt 9 is connected with the first connecting bolt through the detachable connecting piece, so that the bottom cover is detachably connected with the second compression nut, and the bottom cover is favorably sealed, installed, detached, maintained and replaced.
The detachable connecting piece can be a connecting ring, namely connecting holes can be formed in the first connecting bolt and the locking bolt 9, the connecting ring is provided with an opening, and the connecting ring is rotated while sequentially penetrating into the connecting holes of the first connecting bolt and the locking bolt 9, so that detachable connection of the first connecting bolt and the locking bolt 9 is realized.
The upper part of the grinding roll shaft 1 is sleeved with a shaft sleeve 11, the gland comprises an annular top cover 10 sleeved outside the shaft sleeve 11, and the top cover 10 is positioned above the bearing sleeve 5; the seal of the top cover 10 includes an oil seal 12, and the oil seal 12 is installed between the top cover 10 and the shaft sleeve 11. The number of the oil seals 12 can be two, and the two are distributed from top to bottom.
Wherein the top cover 10 may be a horizontal annular plate shape. Still further, the top cover 10 may have a longitudinal cross-section of a "convex" ring plate with an open top and an open bottom (i.e., no bottom).
Preferably, the sealing member of the top cover 10 further comprises an annular sealing cover 13 and a sealing ring 14, the sealing cover 13 is sleeved outside the top cover 10, and the sealing cover 13 is installed between the sealing cover 13 and the top cover 10. The sealing cover 13 and the sealing ring 14 both play a role of sealing.
Wherein the sealing cover 13 may be a transverse annular plate shape. Still further, the sealing cover 13 may have a longitudinal section of a "convex" ring plate having an open top and an open bottom (i.e., no bottom). The sealing cover 13 is sleeved outside the top cover 10, and the top surface of the sealing cover 13 is positioned above the top surface of the top cover 10.
The bottom surface of the top cover 10 is contacted with the top surface of the bearing sleeve 5, and the bearing sleeves 5 of the top cover 10 are connected through a second connecting bolt 15. The grinding roller sleeve 2 is positioned below the bearing sleeve 5, the outer part of the grinding roller sleeve 2 is sleeved with a connecting ring, the top surface of the connecting ring is in contact with the bottom surface of the bearing sleeve 5, and the connecting ring is connected with the bearing sleeve 5 through a second connecting bolt 15.
In order to facilitate the installation and fixation of the whole device, a cylindrical cross arm head 16 is sleeved outside the top of the grinding roll shaft 1, and the cross arm head 16 is connected with a cross arm shaft.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A lubrication type grinding roller assembly comprises a grinding roller shaft, a grinding roller sleeve, a grinding roller and a bearing sleeve, and is characterized in that the grinding roller shaft is fixed, the grinding roller sleeve and the bearing sleeve are respectively sleeved outside the grinding roller shaft in a rotating manner through a first bearing and a second bearing, and the grinding roller is sleeved outside the grinding roller sleeve; the end part of the grinding roller shaft is provided with a gland, and the gland is provided with a sealing element; and a gap cavity is formed among the grinding roller sleeve, the bearing sleeve and the grinding roller shaft, and a lubricating medium for lubricating the first bearing and the second bearing is filled in the gap cavity.
2. The lubricated grinding roller assembly of claim 1, wherein the first bearing is located below the second bearing.
3. The lubricated grinding roller assembly of claim 1, wherein the gland comprises a bottom cover positioned below the bottom end of the grinding roller shaft, the bottom cover defining a vertical drain through hole, and a drain bolt disposed in the drain through hole.
4. The lubricated grinding roll assembly of claim 3, wherein the seal of the bottom cover comprises a first compression nut, the bottom cover is externally provided with an externally threaded section, the first compression nut is coupled to the externally threaded section, and the top surface of the first compression nut contacts the bottom surface of the grinding roll.
5. The lubricated grinding roller assembly of claim 4, wherein the seal of the bottom cover further comprises a second compression nut, a first connecting bolt, and a locking bolt, the second compression nut being connected to the externally threaded section, the second compression nut being located below the first compression nut; the first compression nut is connected with the second compression nut through the first connecting bolt, the locking bolt is arranged on the bottom cover, and the first connecting bolt is connected with the locking bolt through a detachable connecting piece.
6. The lubricated grinding roller assembly of claim 1, wherein a bushing is disposed about the upper portion of the grinding roller shaft, and the gland includes an annular top cover disposed about the bushing, the top cover being positioned over the bearing housing; the sealing element of the top cover comprises an oil seal, and the oil seal is arranged between the top cover and the shaft sleeve.
7. The lubricated grinding roller assembly of claim 6, wherein the sealing member of the top cover further comprises an annular seal cover and a seal ring, the seal cover being disposed about the top cover, the seal cover being disposed between the seal cover and the top cover.
8. The lubricated grinding roller assembly of claim 7, wherein the bottom surface of the top cover contacts the top surface of the bearing housing, and the bearing housing is connected to the top cover by a second connecting bolt.
9. The lubricated grinding roller assembly of claim 8, wherein the grinding roller sleeve is located below the bearing sleeve, a connecting ring is sleeved outside the grinding roller sleeve, a top surface of the connecting ring is in contact with a bottom surface of the bearing sleeve, and the connecting ring is connected with the bearing sleeve through the second connecting bolt.
10. The lubricated grinding roller assembly according to any one of claims 1 to 9, wherein a cylindrical cross arm head is sleeved on and connected to a top portion of the grinding roller shaft, and a cross arm shaft is connected to the cross arm head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221827850.5U CN217464014U (en) | 2022-07-16 | 2022-07-16 | Lubricated formula grinding roller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221827850.5U CN217464014U (en) | 2022-07-16 | 2022-07-16 | Lubricated formula grinding roller assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217464014U true CN217464014U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221827850.5U Active CN217464014U (en) | 2022-07-16 | 2022-07-16 | Lubricated formula grinding roller assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217464014U (en) |
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2022
- 2022-07-16 CN CN202221827850.5U patent/CN217464014U/en active Active
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