CN207261467U - Band base spherical outside surface cylinder roller bearing - Google Patents
Band base spherical outside surface cylinder roller bearing Download PDFInfo
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- CN207261467U CN207261467U CN201721317214.7U CN201721317214U CN207261467U CN 207261467 U CN207261467 U CN 207261467U CN 201721317214 U CN201721317214 U CN 201721317214U CN 207261467 U CN207261467 U CN 207261467U
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- bearing
- outside surface
- spherical outside
- cylinder roller
- surface cylinder
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Abstract
The utility model provides a kind of band base spherical outside surface cylinder roller bearing, including bearing block, the spherical outside surface cylinder roller bearing being arranged in bearing block, spherical outside surface cylinder roller bearing includes bearing outer ring, bearing inner race, and the cylindrical roller being arranged between bearing outer ring and bearing inner race.The outer wall of bearing outer ring is sphere, and the concave spherical surface on the inner surface of sphere and bearing block coordinates, and has several limiting slots on the inner wall of bearing outer ring, and the side of cylindrical roller is embedded in limiting slot, and opposite side is contacted with the outer wall of bearing inner race.The utility model also provides a kind of using the above-mentioned ironing machine cylinder with base spherical outside surface cylinder roller bearing.The band base spherical outside surface cylinder roller bearing of the utility model, makes simply, and is significantly improved with elimination axial expansion ability and good bearing capacity, bearing capacity and service life.It is high using the ironing machine cylinder with the installation of base spherical outside surface cylinder roller bearing of the utility model, bearing service life length, operational efficiency.
Description
Technical field
The utility model relates to technical field of bearings, and in particular to a kind of band base spherical outside surface cylinder roller bearing.
Background technology
In the prior art, bearing with spherical outside surface of usheing to seat is usually roller bearing units of usheing to seat, and has formed national standard, is marked
Quasi- code name is GB/T7809.Roller bearing units of usheing to seat generally include outer wall and are bearing outer ring, the bearing inner race of sphere, and pass through
Stent is fixed on several spheres between bearing outer ring and bearing inner race.There is roller bearing units of usheing to seat larger axis to permit
Perhaps deviation, thus be widely used.
However, in practical application, the deficiency for roller bearing units of usheing to seat also gradually shows.Especially when component is in the temperature difference
When axial deformation (for example, expanding with heat and contract with cold) is also easy to produce in the case of larger, the roller bearing units of usheing to seat installed in component both ends
Deformation can not be correspondingly eliminated, causes the axial stress accelerated accumulation of bearing, service life drastically declines.
Such as：The temperature in use of drum-type ironing machine is typically larger than 150 DEG C, it is big with the temperature difference of room temperature, causes drum-type
The roller bearing units of usheing to seat at ironing arbor both ends can not synchronously adapt to larger axial expansion, cause bearing capacity to substantially reduce,
So that the service life for roller bearing units of usheing to seat reduces.
Therefore, it is necessary to design a kind of new bearing with spherical outside surface of usheing to seat, the temperature difference is larger to adapt to, the axial expansion of component
Big operating mode is measured, improves the bearing capacity of bearing.
Utility model content
The purpose of this utility model is to provide a kind of band base spherical outside surface cylinder roller bearing, have and eliminate axial expansion energy
Power, has good bearing capacity.
To achieve the above object, the utility model uses following technical scheme：
Band base spherical outside surface cylinder roller bearing, including bearing block, the spherical outside surface cylindrical roller being arranged in the bearing block
Bearing, the spherical outside surface cylinder roller bearing include bearing outer ring, bearing inner race, and are arranged in the bearing outer ring and bearing
Cylindrical roller between circle；
The outer wall of the bearing outer ring is sphere, and the sphere coordinates with the concave spherical surface on the inner surface of the bearing block；
There are several limiting slots, the side of the cylindrical roller is embedded in the limiting slot on the inner wall of the bearing outer ring
Interior, opposite side is contacted with the outer wall of the bearing inner race.
According to the utility model, the cylindrical roller by retainer be fixed on the bearing outer ring and bearing inner race it
Between.
According to the utility model, two bearing seals for being arranged at bearing outer ring and the bearing inner race both ends are further included
Lid.
According to the utility model, dustproof cover is further included, the dustproof cover is arranged at the side of the bearing block by card slot.
According to the utility model, one end of the bearing inner race opens up threaded hole, and screw is worn in the threaded hole.
According to the utility model, the number of the cylindrical roller is 6-20.
According to the utility model, the top of the bearing block sets oil nozzle, the inner wall top of the limiting slot of the bearing outer ring
The both sides at end have oil storage tank.
According to the utility model, set and the tangent interval roller of the cylindrical roller between adjacent cylindrical roller.
According to the utility model, the outside diameter of the bearing outer ring is 140mm, and the internal diameter of the bearing inner race is Φ 80mm.
The utility model also provides a kind of ironing machine cylinder, and one end of the ironing machine roller shaft is provided with above-mentioned band
Base spherical outside surface cylinder roller bearing.
Compared with prior art, the utility model has following advantageous effects：
The band base spherical outside surface cylinder roller bearing of the utility model, bearing block and spherical outside surface cylinder roller bearing, which make, to be held
Easily, and with axial expansion ability and good bearing capacity is eliminated, bearing capacity significantly improves and the service life improves.
The bearing block of the utility model can be with《GB/T7809- rolling bearing roller bearing units seat appearance and sizes》Regulation
Bearing block part it is identical (such as bearing block code name is FC216).Spherical outside surface cylinder roller bearing refers to《GB/T283- is rolled
Dynamic bearing cylinder roller bearing》Cylindrical roller bearing without inner ring (such as code name is RNU2216), and by the outer surface of its bearing outer ring
It is processed into sphere.The structure type of bearing inner race with《GB/T7809- rolling bearing roller bearing units seat appearance and sizes》
Unanimously, the outside diameter of bearing inner race is pressed《GB/T283- rolling bearing cylinder roller bearings》Make, the code name after being completed is such as
URNUFC216.Therefore, the band base spherical outside surface cylinder roller bearing of the utility model is easy to make, simple and practicable.
Using the ironing machine cylinder according to the present utility model with the installation of base spherical outside surface cylinder roller bearing, bearing uses the longevity
Life length, production efficiency are high.
Brief description of the drawings
Fig. 1 is the structure diagram section view with base spherical outside surface cylinder roller bearing of one embodiment of the utility model
Figure.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structure diagram that Fig. 1 has oil nozzle and oil storage tank.
Fig. 4 is that the structure diagram right side with base spherical outside surface cylinder roller bearing of second embodiment of the utility model regards
Figure.
In figure：1- bearing blocks, 2- spherical outside surfaces cylinder roller bearing, 11- oil nozzles, 21- bearing outer rings, 22- bearing inner races,
23- cylindrical rollers, 24- intervals roller, 211- limiting slots, 212- oil storage tanks, 221- threaded holes.
Embodiment
Below in conjunction with attached drawing, the band base spherical outside surface cylinder roller bearing of the utility model is done further with specific embodiment
Describe in detail.It is to be understood that following embodiments are merely to illustrate the utility model not for restriction the scope of the utility model.
As shown in Figure 1, according to the utility model one embodiment, the band base spherical outside surface cylindrical roller axis of the utility model
Hold, including bearing block 1, the spherical outside surface cylinder roller bearing 2 being arranged in the bearing block 1, the spherical outside surface cylindrical roller axis
Holding 2 includes bearing outer ring 21, bearing inner race 22, and the cylindrical roller being arranged between the bearing outer ring 21 and bearing inner race 22
23。
The outer wall of the bearing outer ring 21 is sphere, and the sphere is matched somebody with somebody with the concave spherical surface on the inner surface of the bearing block 1
Close.
There is several limiting slots 211, the side insertion institute of the cylindrical roller 23 on the inner wall of the bearing outer ring 21
State in limiting slot 211, opposite side is contacted with the outer wall of the bearing inner race 22.
The band base spherical outside surface cylinder roller bearing of the utility model, bearing block and spherical outside surface cylinder roller bearing, which make, to be held
Easily, and with elimination axial expansion ability and good bearing capacity, bearing capacity and service life significantly improve.
According to the utility model, the cylindrical roller 23 is fixed on the bearing outer ring by retainer (not shown)
Between 21 and bearing inner race 22.
For example, the retainer can be the circular ring shape knot being arranged between the bearing outer ring 21 and bearing inner race 22
Structure, opens up several cylindrical roller grooves thereon, and the cylindrical roller 23 is embedded in the cylindrical roller groove.
According to the utility model, the band base spherical outside surface cylinder roller bearing, which further includes, is arranged at 21 He of bearing outer ring
Two bearing seal covers at 22 both ends of bearing inner race.
Bearing seal cover can seal the cylindrical roller of Bearing inner, effectively prevent dust etc. from entering Bearing inner,
And prevent vapor corrosion bearing, so as to prevent bearing rust, extend the service life of bearing.
According to the utility model, the band base spherical outside surface cylinder roller bearing further includes dustproof cover.Dustproof cover can effectively be prevented
Only dust enters Bearing inner, so as to extend the service life of bearing.
According to the utility model, the dustproof cover is arranged at the side of the bearing block 1 by card slot.
According to the utility model, one end of the bearing inner race 22 opens up threaded hole 221, is worn in the threaded hole 221
Screw.
, can be according to the number of the Sizes of the bearing setting cylindrical roller 23 according to the utility model.The cylinder
The number of roller 23 is preferably 6-20.
As shown in figure 3, according to the utility model, the top of the bearing block 1 sets oil nozzle 11, the bearing outer ring 21
The both sides on the inner wall top of limiting slot 211 have oil storage tank 212.
Oil nozzle 11 is connected with oil storage tank 12, and lubricating oil is injected from the oil nozzle 11, and is entered in oil storage tank 212, can be to circle
Column roller 23 is lubricated, and to reduce abrasion, extends the service life of bearing.
According to the utility model, also solid oil can be coated with the outer surface of the cylindrical roller 23, without oil
Mouth and oil storage tank, are sealed by two bearing seal covers at bearing both ends.It is not only simple in structure, and can equally reduces mill
Damage, extends the service life of bearing.
A specific embodiment according to the present utility model, the outside diameter of the bearing outer ring 21 are 140mm, in the bearing
The internal diameter of circle 22 is Φ 80mm.
Set as shown in figure 4, second embodiment according to the present utility model, between adjacent cylindrical roller 23 with it is described
The tangent interval roller 24 of cylindrical roller 23.Interval roller 24 can further improve the bearing capacity of bearing.
The utility model also provides a kind of ironing machine cylinder, and one end of the ironing machine roller shaft is provided with above-mentioned band
Base spherical outside surface cylinder roller bearing.
Using the ironing machine cylinder according to the present utility model with base spherical outside surface cylinder roller bearing, bearing service life
Long, production efficiency is high.
During practical application, the utility model can be used cooperatively with roller bearing units of usheing to seat, and band is installed in one end of component
Base spherical outside surface ball bearing, other end installation spherical outside surface cylinder roller bearing, spherical outside surface cylinder roller bearing is except in bearing block
Axis oscillating outside, be easy to produce axial movement with bearing inner race, in this way, axial direction (expanding with heat and contract with cold) deformation that component produces
It is easy to be eliminated.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, it is any that the practicality is equal
Modifications and substitutions are also all among the category of the utility model.Therefore, the institute under the spirit and scope for not departing from the utility model
The impartial conversion of work and modification, should all cover in the scope of the utility model.
Claims (10)
1. band base spherical outside surface cylinder roller bearing, it is characterised in that including bearing block, the spherical outside surface being arranged in the bearing block
Cylinder roller bearing, the spherical outside surface cylinder roller bearing includes bearing outer ring, bearing inner race, and is arranged on the bearing outer ring
Cylindrical roller between bearing inner race；
The outer wall of the bearing outer ring is sphere, and the sphere coordinates with the concave spherical surface on the inner surface of the bearing block；
There are several limiting slots on the inner wall of the bearing outer ring, the side of the cylindrical roller is embedded in the limiting slot,
Opposite side is contacted with the outer wall of the bearing inner race.
2. band base spherical outside surface cylinder roller bearing according to claim 1, it is characterised in that the cylindrical roller passes through guarantor
Frame is held to be fixed between the bearing outer ring and bearing inner race.
3. band base spherical outside surface cylinder roller bearing according to claim 2, it is characterised in that further include and be arranged at the axis
Bearing outer-ring and two bearing seal covers at bearing inner race both ends.
4. band base spherical outside surface cylinder roller bearing according to claim 2, it is characterised in that dustproof cover is further included, it is described
Dustproof cover is arranged at the side of the bearing block by card slot.
5. band base spherical outside surface cylinder roller bearing according to claim 1, it is characterised in that one end of the bearing inner race
Threaded hole is opened up, screw is worn in the threaded hole.
6. band base spherical outside surface cylinder roller bearing according to claim 1, it is characterised in that the number of the cylindrical roller
For 6-20.
7. band base spherical outside surface cylinder roller bearing according to claim 1, it is characterised in that set at the top of the bearing block
Oil nozzle is put, the both sides on the inner wall top of the limiting slot of the bearing outer ring have oil storage tank.
8. band base spherical outside surface cylinder roller bearing according to claim 1, it is characterised in that between adjacent cylindrical roller
Set and the tangent interval roller of the cylindrical roller.
9. the band base spherical outside surface cylinder roller bearing according to any one of claim 1-8, it is characterised in that the bearing
The outside diameter of outer ring is 140mm, and the internal diameter of the bearing inner race is Φ 80mm.
10. one kind ironing machine cylinder, it is characterised in that be provided with claim 1-9 and appoint in the shaft of the ironing machine cylinder
Band base spherical outside surface cylinder roller bearing described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317214.7U CN207261467U (en) | 2017-10-13 | 2017-10-13 | Band base spherical outside surface cylinder roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317214.7U CN207261467U (en) | 2017-10-13 | 2017-10-13 | Band base spherical outside surface cylinder roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261467U true CN207261467U (en) | 2018-04-20 |
Family
ID=61916463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721317214.7U Active CN207261467U (en) | 2017-10-13 | 2017-10-13 | Band base spherical outside surface cylinder roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111868398A (en) * | 2018-06-14 | 2020-10-30 | 舍弗勒技术股份两合公司 | Roller bearing |
-
2017
- 2017-10-13 CN CN201721317214.7U patent/CN207261467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111868398A (en) * | 2018-06-14 | 2020-10-30 | 舍弗勒技术股份两合公司 | Roller bearing |
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