Waterproof device of rolling mill bearing seat
By designing a combination structure of support shaft, shaft sleeve and waterproof cover on the rolling mill bearing seat, combining inclined connection holes and annular connection grooves, multi-point oil filling lubrication is achieved, which solves the problem of poor sealing of the rolling mill bearing seat, improves the service life of the bearing and the stable operation of the rolling mill.
Patent Information
- Application Number
- CN202422259222.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The sealing properties of the rolling mill bearing seat are poor and water is prone to inlet, which causes the inner ring of the bearing seat to shift, affects production stability, and even causes production delays.
A waterproof device for the rolling mill bearing seat is designed. The bearing and sleeve are connected by supporting shafts, and a waterproof cover is installed, combining inclined connection holes and annular connection grooves to achieve multi-point oil filling lubrication, and the shaft sleeve is added to block the bearing inner ring, which is improved to a single component structure.
It improves the service life of the bearing, reduces the number of times the rolling mill is replaced, ensures the stable operation of the rolling mill, and enhances the protection effect and safety stability.
Smart Images
Figure CN223113815U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of rolling mills, and more specifically to a waterproof device for a bearing seat of a rolling mill. Background Art
[0002] The rolling mill is a key equipment for metal rolling. The sealing performance of the rolling mill bearing seat is poor. Water easily enters the bearing seat and the inner ring shifts during the production process, which has a great impact on stable production. In severe cases, it even causes production delays. Therefore, in view of the problems existing in the existing waterproof device, a seal with better sealing performance is urgently needed. Utility Model Content
[0003] In view of the problems existing in the prior art, the purpose of the utility model is to provide a waterproof device for a rolling mill bearing seat, by connecting the bearing and the sleeve on the support shaft, so as to install a waterproof cover, which can be installed and positioned in combination to facilitate support and rotation, and combined with the inclined connecting hole to connect the annular connecting groove, oil lubrication can be performed at multiple positions to improve the protection effect, and at the same time, the original three-piece waterproof device can be modified into one, and a sleeve can be added to block the inner ring of the bearing to prevent displacement, which can reduce the number of times the rolling mill is replaced offline, effectively improve the service life of the bearing, and ensure the stable operation of the rolling mill online.
[0004] To solve the above problems, the utility model adopts the following technical solutions.
[0005] A waterproof device for a rolling mill bearing seat, comprising a roller, one end of the roller is fixedly connected to a supporting shaft, the end of the supporting shaft is fixedly connected to a flat head, the outer surface of the supporting shaft is slidably sleeved with a bearing and a sleeve, one end of the supporting shaft is rotatably sleeved with a waterproof cover, one side of the waterproof cover is tightly connected to the end position of the sleeve, an inner side of the waterproof cover is provided with a sealing groove, an oil seal is fixedly installed inside the sealing groove, the oil seal is tightly connected to one side of the sleeve, one side of the outer surface of the waterproof cover is fixedly connected to a fixing ring, an inner side of the waterproof cover is provided with an annular chamfer, an inner side of the annular chamfer is provided with an inclined connecting hole, one end of the inclined connecting hole is provided with an annular connecting groove, the annular connecting groove is located on one side of the outer surface of the waterproof cover, one side of the annular connecting groove is provided with an annular sealing groove, the inner side of the annular sealing groove is fixedly clamped with an annular sealing gasket, and the outer surface of the annular sealing gasket is provided with a pressing head.
[0006] Furthermore, there are at least three inclined connection holes, which are evenly distributed at equal angles inside the waterproof cover.
[0007] Furthermore, a combined sleeve is fixedly sleeved on one side of the outer surface of the waterproof cover, and one side surface of the combined sleeve is tightly connected to the surface of the fixing ring.
[0008] Further, an oil injection hole is provided on one surface of the combined sleeve, and the oil injection hole is aligned with one side of the annular sealing groove. By providing the oil injection hole through the combined sleeve, combined installation can be carried out for positioning and protection, avoiding falling off and leakage. At the same time, after unified oil injection, it can be separately connected to ensure safety and stability.
[0009] Further, mounting holes are provided on the outer surface of the fixing ring, and the mounting holes are evenly distributed at equal angles on one side of the fixing ring.
[0010] Further, mounting screws are connected inside the mounting holes, and the mounting screws are combined and installed on one side of the combined sleeve.
[0011] Further, the mounting screws are rotatably installed at one side position of the fixing ring and are threadedly installed on one surface of the bearing seat. By connecting the mounting screws through the mounting holes, they can be combined and installed on the bearing seat, which is convenient for combined installation and positioning, beneficial for isolation and waterproofing, and improves the protection effect.
[0012] Compared with the prior art, the advantages of the present utility model are as follows:
[0013] (1) In this solution, a waterproof cover is installed by connecting a bearing and a shaft sleeve on the support shaft, which can be combined and installed for positioning, facilitating support and rotation. And by combining the inclined connection holes with the annular connection grooves, oil injection and lubrication can be carried out at multiple positions, improving the protection effect. At the same time, the original three-piece waterproof device can be modified into one, and a shaft sleeve is added to block the inner ring of the bearing to prevent displacement, which can reduce the number of offline replacements of the rolling mill, effectively extend the service life of the bearing, and ensure the stable operation of the rolling mill online.
[0014] (2) By providing the oil injection hole through the combined sleeve, combined installation can be carried out for positioning and protection, avoiding falling off and leakage. At the same time, after unified oil injection, it can be separately connected to ensure safety and stability.
[0015] (3) By connecting the mounting screws through the mounting holes, they can be combined and installed on the bearing seat, which is convenient for combined installation and positioning, beneficial for isolation and waterproofing, and improves the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is an external three-dimensional schematic diagram of the overall structure of the present utility model;
[0017] Figure 2 is a schematic cross-sectional view of the planar structure of the present utility model;
[0018] Figure 3 is a partial cross-sectional view of the connection of the protective cover of the present utility model;
[0019] Figure 4 is for the Figure 3 enlarged view of part A where the combined sleeve is connected in the present utility model.
[0020] Description of reference numerals in the figure:
[0021] 1 Rolling roll, 11 Support shaft, 12 Flat head, 13 Bearing, 14 Bush, 15 Waterproof cover, 16 Sealing groove, 17 Oil seal, 18 Fixed ring, 2 Annular chamfer, 21 Tilted connection hole, 22 Annular connection groove, 23 Annular sealing groove, 24 Annular gasket, 25 Pressing head, 26 Combined sleeve, 27 Oil injection hole, 28 Mounting hole, 29 Mounting screw. Detailed implementation manners
[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0023] Please refer to Figure 1 , Figure 2 and Figure 3, A waterproof device for a rolling mill bearing housing, comprising a rolling mill roll 1. One end of the rolling mill roll 1 is fixedly connected to a support shaft 11. The end of the support shaft 11 is fixedly connected to a flat head 12. The outer surface of the support shaft 11 is slidably sleeved with a bearing 13 and a bushing 14. One end of the support shaft 11 is rotatably sleeved with a waterproof cover 15. One side of the waterproof cover 15 is tightly connected to the end of the bushing 14. On one side inside the waterproof cover 15, there is a sealing groove 16. Inside the sealing groove 16, an oil seal 17 is fixedly installed. The oil seal 17 is tightly connected to one side of the bushing 14. On one side of the outer surface of the waterproof cover 15, there is a fixed ring 18. On one side inside the waterproof cover 15, there is an annular chamfer 2. Inside one side of the annular chamfer 2, there is an inclined connection hole 21. One end of the inclined connection hole 21 has an annular connection groove 22. The annular connection groove 22 is located on one side of the outer surface of the waterproof cover 15. On one side of the annular connection groove 22, there is an annular sealing groove 23. Inside the annular sealing groove 23, an annular sealing gasket 24 is fixedly clamped. On the outer surface of the annular sealing gasket 24, there is a pressing head 25. During use, the inner ring of the bearing 13 and the bushing 14 can be sleeved on the support shaft 11, and can be combined and installed and positioned with the rolling mill roll 1. Then, after the bearing 13 and the outer ring are combined, they are positioned inside the bearing housing, and the rolling mill roll 11 can be installed and supported. By connecting the oil seal 17 to the inside of the sealing groove 16, the waterproof cover 15 can be integrally installed on the outer surface of the bearing housing, and thus sleeved on the support shaft 11. Then, it is installed and fixed by installation screws 29, which is convenient and stable. It can isolate and protect the rotating support position, prevent water from entering, and the lubricating oil can be injected into the annular connection groove 22 by inserting a syringe into the oil injection hole 27, which can pierce the annular sealing gasket 24. Then, the lubricating oil uniformly flows into the plurality of inclined connection holes 21 inside, and the bearing 13 can be lubricated by injecting oil from multiple positions, which is beneficial for protection, safe and stable, and has high adaptability.
[0024] Please refer to Figure 2 and Figure 4 , There are at least three inclined connection holes 21, and they are evenly distributed at equal angles inside the waterproof cover 15. On one side of the outer surface of the waterproof cover 15, there is a combined sleeve 26 fixedly sleeved. One side surface of the combined sleeve 26 is tightly connected to the surface of the fixed ring 18. On one side surface of the combined sleeve 26, there is an oil injection hole 27. The oil injection hole 27 is aligned with one side of the annular sealing groove 23. By providing the oil injection hole through the combined sleeve, combined installation can be carried out for positioning and protection, avoiding falling off and leakage. At the same time, after unified oil injection, it can be separately connected, ensuring safety and stability.
[0025] Please refer to Figure 2 and Figure 3, the outer surface of the fixed ring 18 is provided with mounting holes 28, the mounting holes 28 are evenly distributed at equal angles on one side of the fixed ring 18, the inside of the mounting holes 28 is connected with mounting screws 29, the mounting screws 29 are assembled and installed on one side of the combined sleeve 26, the mounting screws 29 are rotatably installed at one side position of the fixed ring 18 and are threadedly installed on the one-side surface of the bearing seat. By connecting the mounting screws through the mounting holes, they can be assembled and installed on the bearing seat, which is convenient for combined installation and positioning, beneficial to isolation and waterproofing, and improves the protection effect.
[0026] The above is only a preferred specific embodiment of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A waterproof device for a rolling mill bearing housing, comprising a rolling roll (1), one end of the rolling roll (1) is fixedly connected to a support shaft (11), and the end of the support shaft (11) is fixedly connected to a flat head (12), characterized in that: A bearing (13) and a bushing (14) are slidably sleeved on the outer surface of the support shaft (11). One end of the support shaft (11) is rotatably sleeved with a waterproof cover (15). One side of the waterproof cover (15) is tightly connected to the end of the bushing (14). One side inside the waterproof cover (15) is provided with a sealing groove (16). An oil seal (17) is fixedly installed inside the sealing groove (16). The oil seal (17) is tightly connected to one side of the bushing (14). One side of the outer surface of the waterproof cover (15) is fixedly connected with a fixing ring (18). One side inside the waterproof cover (15) is provided with an annular chamfer (2). One side inside the annular chamfer (2) is provided with an inclined connection hole (21). One end of the inclined connection hole (21) is provided with an annular connection groove (22). The annular connection groove (22) is located on one side of the outer surface of the waterproof cover (15). One side of the annular connection groove (22) is provided with an annular sealing groove (23). An annular sealing gasket (24) is fixedly clamped inside the annular sealing groove (23). A pressing head (25) is arranged on the outer surface of the annular sealing gasket (24).
2. The waterproof device for a rolling mill bearing housing according to claim 1, characterized in that: There are at least three of the inclined connection holes (21), and they are evenly distributed at equal angles inside the waterproof cover (15).
3. The waterproof device for a rolling mill bearing housing according to claim 1, characterized in that: A combined sleeve (26) is fixedly sleeved on one side of the outer surface of the waterproof cover (15). One side surface of the combined sleeve (26) is tightly connected to the surface of the fixing ring (18).
4. The waterproof device for a rolling mill bearing housing according to claim 3, characterized in that: One side surface of the combined sleeve (26) is provided with an oil injection hole (27), and the oil injection hole (27) is aligned with one side of the annular sealing groove (23).
5. The waterproof device for a rolling mill bearing block according to claim 1, characterized in that: Mounting holes (28) are arranged on the outer surface of the fixing ring (18), and the mounting holes (28) are evenly distributed at equal angles on one side of the fixing ring (18).
6. The waterproof device for a rolling mill bearing housing according to claim 5, characterized in that: Mounting screws (29) are connected inside the mounting holes (28), and the mounting screws (29) are assembled and installed on one side of the combined sleeve (26).
7. The waterproof device for a rolling mill bearing housing according to claim 6, characterized in that: The mounting screws (29) are rotatably installed at one side position of the fixing ring (18) and are threadedly installed on one side surface of the bearing seat.