CN207131738U - A kind of bearing locking component - Google Patents
A kind of bearing locking component Download PDFInfo
- Publication number
- CN207131738U CN207131738U CN201720733303.3U CN201720733303U CN207131738U CN 207131738 U CN207131738 U CN 207131738U CN 201720733303 U CN201720733303 U CN 201720733303U CN 207131738 U CN207131738 U CN 207131738U
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- Prior art keywords
- bearing
- gland
- locking nut
- outer ring
- locking component
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Abstract
The utility model discloses a kind of bearing locking component, locking nut including bearing mounting base and fixing bearing, the outer ring of the bearing is provided with bearing outer ring gland, the inner ring of the bearing is provided with gland, the locking nut, bearing outer ring gland, mating surface between gland is provided with sealing structure, the locking nut upper surface is provided with balanced structure, by in locking nut, bearing outer ring gland, gland mutual cooperation face is provided with sealing structure, when the rotational speed is high, cutting fluid and chip is avoided to enter Bearing inner, bearing is caused damage, by setting balanced structure on locking nut, shaft core is maintained in the balance of rotary course, extend the service life of bearing.
Description
Technical field
It the utility model is related to a kind of locking member, more particularly to a kind of bearing locking component.
Background technology
It is new in occur machine tool chief axis combines together with spindle motor of digit ctrol machine tool field that electro spindle is recent years
Technology, electro spindle of the prior art generally include body, shaft core, motor, stator core, mill bar and bearing etc., and electro spindle is
A kind of precision optical machinery of high speed rotation, it is very high to the rigidity, intensity, stability requirement of shaft core, compared to key connection, pin connection,
Shaft core, by interference fit, meets radial positioning, the shaft shoulder or other parts carry out axially position, ensure that shaft core with bearing
Rigidity, be extraordinary fit system generally acknowledged at present.The axially position quality of bearing determines bearing to a certain extent
Service life, while influence the stroke of main shaft and the crudy of main shaft.People would generally be different from common spiral shell using one kind
Female self-locking nut realizes the axial locking that spindle shaft mandrel is held, and reduces vibrations during main shaft rotation, existing self-locking nut by
It is limited in the performance comparision of self-locking, during actual installation, it usually needs gluing, to prevent from loosening, in bearing locking component
Locking nut is tapped with the internal thread to match with shaft core, ensures connection reliability, while end face is provided with frock position, easy to disassemble, by
In the poor sealing of main shaft, often appear in dust in process, chip etc. and enter inside electro spindle, influence bearing
Service life.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of bearing locking component, to axle
More preferable axial restraint and radially fixed has been held, there is good sealing function, has prevented iron filings or cooling in the process of front end
The entrance of the foreign matters such as medium.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of bearing locking component, including bearing mounting base and the locking nut of fixing bearing, the outer ring of the bearing are set
There is bearing outer ring gland, the inner ring of the bearing is provided with gland, matching somebody with somebody between the locking nut, bearing outer ring gland, gland
Conjunction face is provided with sealing structure, and the locking nut upper surface is provided with balanced structure.
Further, the balanced structure include be located at the equally distributed screwed hole of locking nut upper surface periphery and
The mass screw that the screwed hole coordinates.
Further, the sealing structure is the mating surface being located between the locking nut, bearing outer ring gland, gland
On maze trough.
Further, the locking nut upper surface offers skewed slot, and the bearing outer ring gland is provided with matches somebody with somebody with skewed slot
The protruding block of conjunction, the skewed slot are coordinated with the protruding block using gap.
Further, reverse thread groove is offered in the cylindrical surface of revolution of the locking nut.
Further, the bearing is connected by being interference fitted with shaft core, and the gland is coordinated by gap and connected with shaft core
Connect.
Further, the bearing is coordinated by gap and is arranged in the bearing mounting base.
Further, the locking nut endoporus is provided with internal thread, and the shaft core is provided with outer with the screw-internal thread fit
Screw thread.
Compared with prior art, the beneficial effects of the utility model are：
(1) by locking nut, bearing outer ring gland, the mating surface between gland is provided with sealing structure, when high speed is revolved
When turning, avoid cutting fluid and chip from entering Bearing inner, bearing is caused damage, there is good anti-dust performance；
(2) by setting balanced structure on locking nut, shaft core is maintained to extend making for bearing in the balance of rotary course
Use the life-span；
(3) it is good to lock bearing performance, is adapted to rotate at a high speed, simple in construction, ingenious, anti-loosening property is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is locking nut structure schematic diagram of the present utility model；
Fig. 3 is the zoomed-in view at A in Fig. 1；
Fig. 4 is locking nut side structure schematic diagram of the present utility model.
In figure：1st, body；2nd, shaft core；3rd, bearing；31st, bearing outer ring gland；311st, protruding block；32nd, gland；4th, bearing
Mounting seat；5th, locking nut；51st, screwed hole；52nd, mass screw；53rd, reverse thread groove；6th, maze trough.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further, it is necessary to explanation is,
On the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figures 1 to 4：A kind of bearing locking component, including bearing mounting base 4, it is fixed in the bearing mounting base 4
There is bearing 3, bearing 3 is coordinated by gap to be arranged in bearing mounting base 4, solid by locking nut 5 in the lower surface of bearing 3
Fixed, provided with screwed hole, shaft core 2 is provided with the external screw thread coordinated with above-mentioned screwed hole, and locking nut 5 is connected by screw thread and shaft core 2
Connect, bearing 3 is connected by being interference fitted with shaft core 2, and the outer ring of bearing 3 is provided with bearing outer ring gland 31, and the inner ring of bearing 3 is provided with gland
32, the effect of fixing bearing inner ring and outer ring is each served as, above-mentioned gland 32 is connected with shaft core 2 by gap, locking screw
Female 5 upper surfaces offer skewed slot, and bearing outer ring gland 31 is provided with the protruding block 311 coordinated with skewed slot, skewed slot and the protruding block
311 are coordinated using gap, and locking nut 5, bearing outer ring gland 31, the mutual cooperation face of gland 32 are provided with sealing structure, locking screw
Female 5 upper surfaces are provided with balanced structure.
Above-mentioned bearing mounting base 4 is coordinated by gap to be arranged in body 1, and the step position of bearing mounting base 4 props up body 1
End face, the step surface of bearing outer ring gland 31 props up the other end of bearing mounting base 4, while the step surface of bearing outer ring gland 31
The outer ring of bearing 3 is propped up, fixation is played to the outer ring of bearing 3, bearing mounting base 4, bearing outer ring gland 31, body 4 are provided with
Screwed hole, it is connected and fixed by screw thread, limits its axial movement, the inner ring of bearing 3 is fixed by gland 32, limitation
The axially activity of the inner ring of bearing 3,.
Above-mentioned sealing structure is to be located at locking nut 5, bearing outer ring gland 31, the maze trough 6 in the mutual cooperation face of gland 32,
During shaft core 2 rotates at a high speed, maze trough 6 can prevent cutting fluid and other chips from entering, and prevent to bearing 3 and its
The damage of his parts；Above-mentioned balanced structure includes being located at some equally distributed screwed holes of the upper surface periphery of locking nut 5
51, the mass screw 52 coordinated with screwed hole 51, go out amount of unbalance by specific apparatus measures, in screwed hole 51 plus balance
Screw 52, whole bearing assembly is reached balance, offer reverse thread groove 53 in the cylindrical surface of revolution of locking nut 5, this is anti-
Direction of rotation when being worked to the rotation direction of thread groove 53 and shaft core 2 can produce certain vortex, and then hinder on the contrary, when shaft core 2 rotates
The only entrance of cutting fluid and other chips.
Above-mentioned bearing locking component plays locking effect by axially engaging with radial fit, wherein the work axially engaged
Principle is：The step position of bearing mounting base 4 props up the end face of body 1, and it is another that the step surface of bearing outer ring gland 31 props up bearing mounting base 4
End face, while the step surface of bearing outer ring gland 31 props up the outer ring of bearing 3, bearing mounting base 4, bearing outer ring gland 31, body 1 are equal
Screwed hole is provided with, is connected and fixed by screw thread, these three parts is limited and the outer ring of bearing 3 is axially moved, bearing 3
Coordinated by gap and be arranged in bearing mounting base 4, being compressed by frock makes the end face of bearing 3 be connect with the inner face of bearing mounting base 4
Touch, the inner ring of bearing 3 is pushed down by gland 32, limits the inner ring axial float of bearing 3, locking nut 5 is connected with shaft core 2 by screw thread
Connect, locking nut 5 props up gland 32, and gland 32 compresses the inner ring of bearing 3, using specific frock, is locked with certain torque take-up
Nut 5, its loosening is prevented, avoid its axial float.
The operation principle of radial fit is：Bearing mounting base 4 by gap coordinate be arranged on body 1 in, bearing 3 by
Gap, which coordinates, to be arranged in bearing mounting base 4, and shaft core 2 is interference fitted with bearing 3, bearing outer ring gland 31, gland 32, locking nut
5 process maze trough 6, reach better seal effect by the structure of maze trough 6, gland 32 coordinates with the gap of shaft core 2, locking
Nut 5 is connected through a screw thread with shaft core 2, then by certain torque take-up locking nut 5, prevents its loosening.
When the rotational speed is high：Shaft core 2 works, and the inner ring of bearing 3, gland 32, locking nut 5 rotate at a high speed, on axle core component
Part easily because processing the problems such as amount of unbalance it is excessive, deflect, cause bearing 3 to damage, and then cause shaft core 2 to be damaged
Bad, locking nut 5 is provided with a series of uniform screwed holes 51 of arrangement, by specific measuring instrument, measures amount of unbalance,
Add mass screw 52 in screw hole 51, balance bearing assembly；Locking nut 5, gland 32, bearing outer ring gland 31 are provided with small
The maze trough 6 of gap, during shaft core 2 rotates at a high speed, maze trough 6 can prevent cutting fluid and other chips from entering, and prevent
The reverse thread groove 53 of a constant pitch is processed only to the damage of bearing 3 and other parts, while on the end face of locking nut 5,
Direction of rotation when its rotation direction works with shaft core 2 can produce certain vortex on the contrary, when shaft core 2 rotates, and then being capable of very great Cheng
Cutting fluid and the entrance of other chips are hindered on degree.
Above-mentioned embodiment is only preferred embodiment of the present utility model, it is impossible to is protected with this to limit the utility model
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model scope claimed.
Claims (8)
- A kind of 1. bearing locking component, it is characterised in that：Locking nut including bearing mounting base and fixing bearing, the bearing Outer ring be provided with bearing outer ring gland, the inner ring of the bearing is provided with gland, the locking nut, bearing outer ring gland, gland Between mating surface be provided with sealing structure, the locking nut upper surface is provided with balanced structure.
- A kind of 2. bearing locking component according to claim 1, it is characterised in that：The balanced structure is described including being located at The mass screw that the equally distributed screwed hole of locking nut upper surface periphery and the screwed hole coordinate.
- A kind of 3. bearing locking component according to claim 1, it is characterised in that：In the cylindrical revolution of the locking nut Face offers reverse thread groove.
- A kind of 4. bearing locking component according to claim 1, it is characterised in that：The sealing structure is to be located at the lock The tightly maze trough in the mating surface between nut, bearing outer ring gland, gland.
- A kind of 5. bearing locking component according to claim 1, it is characterised in that：The locking nut upper surface offers Skewed slot, the bearing outer ring gland are provided with the protruding block coordinated with skewed slot, and the skewed slot is matched somebody with somebody with the protruding block using gap Close.
- A kind of 6. bearing locking component according to claim 1, it is characterised in that：The bearing passes through interference fit and axle Core is connected, and the gland is coordinated by gap to be connected with shaft core.
- A kind of 7. bearing locking component according to claim 1, it is characterised in that：The bearing is coordinated by gap to be installed In the bearing mounting base.
- A kind of 8. bearing locking component according to claim 6, it is characterised in that：The locking nut endoporus is provided with interior spiral shell Line, the shaft core are provided with the external screw thread with the screw-internal thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733303.3U CN207131738U (en) | 2017-06-22 | 2017-06-22 | A kind of bearing locking component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733303.3U CN207131738U (en) | 2017-06-22 | 2017-06-22 | A kind of bearing locking component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207131738U true CN207131738U (en) | 2018-03-23 |
Family
ID=61631969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733303.3U Active CN207131738U (en) | 2017-06-22 | 2017-06-22 | A kind of bearing locking component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207131738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237837A (en) * | 2017-06-22 | 2017-10-10 | 广州市昊志机电股份有限公司 | A kind of bearing locking component |
-
2017
- 2017-06-22 CN CN201720733303.3U patent/CN207131738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237837A (en) * | 2017-06-22 | 2017-10-10 | 广州市昊志机电股份有限公司 | A kind of bearing locking component |
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