CN206215932U - A kind of sealing and the good main axle structure of anti-seismic performance - Google Patents
A kind of sealing and the good main axle structure of anti-seismic performance Download PDFInfo
- Publication number
- CN206215932U CN206215932U CN201621187724.2U CN201621187724U CN206215932U CN 206215932 U CN206215932 U CN 206215932U CN 201621187724 U CN201621187724 U CN 201621187724U CN 206215932 U CN206215932 U CN 206215932U
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- Prior art keywords
- main shaft
- sealing
- seismic performance
- good
- main
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Abstract
The utility model discloses a kind of sealing and the good main axle structure of anti-seismic performance, it includes main shaft, it is set in the collar bush outside the main shaft, the main shaft chuck seat being connected with the front-end of spindle by main shaft connecting seat and the main shaft protecgulum for being set in the main shaft connecting seat periphery, the front end of the main shaft protecgulum is provided with dust cap before the main shaft being set on the main shaft chuck seat, the main shaft protecgulum and the main shaft connecting seat, the use of the contact site of the collar bush is mutually inserted formula structure and is connected, the main shaft is internally provided with axially penetrating first through hole, main shaft two ends interference fit is connected with the angular contact bearing that some pairings are set.The utility model have axially it is strong with the load carrying capacity of radial direction, spin stabilization degree is high, inner sealing performance is good, long service life and the features such as good lightweight anti-seismic performance.
Description
【Technical field】
The utility model belongs to spindle design technical field, more particularly to a kind of sealing and the good main shaft of anti-seismic performance
Structure.
【Background technology】
In manufacturing industry, essential machining tool during machine tool, and in each machining apparatus, rotation driving
Mechanism is prerequisite, rotary motion, rotary motion of rod member raw material of such as cutter etc..Become more meticulous with product, it is small-sized
Change, the accuracy of manufacture requirement more and more higher of product.In existing rotary drive mechanism, belt-type rotating mechanism is by servo
Motor drive belt pulley carries out the rotary drive of axle.Belt transmission structure is simple, low cost；Suitable for centre-to-centre spacing ratio between two axles
It is larger, steady noiseless during transmission.Chain drive noise is big, there are certain impact, vibrations in operation；To installing essence
Degree requires high, it is adaptable to compared with long-distance transmission.Main shaft is from engine or motor to receive power and it is transmitted into other parts
Axle construction.The stability of main shaft rotation directly affects machining accuracy error, sealing of the prior art and anti-seismic performance
Good its rotational stability of main axle structure is not ideal all the time, and for a long time in severe working environment, due to sealing
Can be poor so that dust is easily accessible in main shaft, its service life and service behaviour is influenceed.
Therefore, it is necessary to provide a kind of new sealing main axle structure good with anti-seismic performance to solve the above problems.
【Utility model content】
The purpose of this utility model is to provide a kind of sealing and the good main axle structure of anti-seismic performance, its have axially with
The load carrying capacity of radial direction is strong, spin stabilization degree is high, inner sealing performance is good, long service life and lightweight anti-seismic performance is good
The features such as.
The utility model is achieved through the following technical solutions above-mentioned purpose：A kind of sealing and the good main shaft knot of anti-seismic performance
Structure, its main shaft for including main shaft, the collar bush being set in outside the main shaft, being connected with the front-end of spindle by main shaft connecting seat
Base of the carrier head and the main shaft protecgulum of main shaft connecting seat periphery is set in, the front end of the main shaft protecgulum is provided with and is set in institute
State dust cap, the main shaft protecgulum and the main shaft connecting seat, the contact site of the collar bush before the main shaft on main shaft chuck seat
Position use is mutually inserted formula structure and is connected, and the main shaft is internally provided with axially penetrating first through hole, described
Main shaft two ends interference fit is connected with the angular contact bearing that some pairings are set.
Further, the main shaft includes that first carries section, the second carrying section and the 3rd carrying section successively from the front to the back,
And the diameter of the first carrying section, the diameter of the 3rd carrying section are respectively less than the described second diameter for carrying section.
Further, the angular contact bearing include be arranged on it is described first carry section at least two clutch shaft bearings,
It is arranged on the described 3rd at least two second bearings carried in section.
Further, the rear end of the main shaft is situated between only after being arranged with main shaft, and the periphery only that is situated between after the main shaft is arranged with master
Axle bonnet, the rear end only that is situated between after the main shaft is provided with the main shaft synchronous pulley being set on the main shaft.
Further, the front end of the clutch shaft bearing supports the contact main shaft connecting seat and the main shaft protecgulum, thereafter
End supports contact described second and carries section end face；The front end of the second bearing supports contact described second and carries section end face, its
Rear end supports and contacts with Jie, the main shaft bonnet after the main shaft.
Further, the main shaft connecting seat include around peripheral surface and the formation that is recessed from back to front it is first annular recessed
Groove, the first annular wall body for forming the first annular groove inner wall.
Further, the main shaft protecgulum includes second for setting of being fitted with the stepped outer surface of the main shaft connecting seat
Through hole, positioned at second through hole inside and be recessed from front to back the second annular groove, formed in second annular groove
Second endless wall of wall, the 3rd annular groove being recessed forward from the main shaft protecgulum rear end surface.
Further, the front end of the collar bush is provided with the 3rd endless wall for extending anteriorly out.
Further, the first annular wall body is housed in second annular groove, and second endless wall is received
Hold in the first annular groove, the 3rd endless wall is housed in the 3rd annular groove.
Further, the collar bush be set in the clutch shaft bearing and the second bearing outer surface and with its interference
Coordinate；The collar bush front end supports with the main shaft protecgulum and contacts, and its rear end supports with the main shaft bonnet and contacts.
Compared with prior art, a kind of sealing of the utility model exists with the beneficial effect of the good main axle structure of anti-seismic performance
In：Load carrying capacity with axial direction and radial direction is strong, spin stabilization degree is high, inner sealing performance is good, long service life and light
The features such as quantization anti-seismic performance is good.Specifically,
1) by spindle design into the structure that mid diameter is big, two ends diameter is small, and how diagonal set in the small part of diameter
Contact bearing, on the one hand can realize to the spacing of bearing outer ring, total is in middle impaction state；
2) and using the pairing of many angular contact bearings use, and by compression fit between its front and back end and main shaft so that it is main
Axle is not in rock when high speed rotates, it is ensured that the performance of main shaft is more stablized；
3) its cooperation contact site of main shaft protecgulum, main shaft connecting seat and collar bush is used and is mutually inserted formula structure, and is set
Dust cap before main shaft is put, the sealing property of front-end of spindle has been improve, the entrance of dust has been reduced, and then has improve whole main shaft
Service behaviour and the life-span；
4) spindle design is hollow structure, which reduces the overall weight of main shaft, can effectively increase anti-seismic performance, and
Reduce manufacturing cost.
【Brief description of the drawings】
Fig. 1 is the cross section structure diagram of the utility model embodiment；
Fig. 2 is the cross section structure diagram of main shaft connecting seat and main shaft protecgulum in the utility model embodiment；
100 sealings and the good main axle structure of anti-seismic performance；
1 main shaft, 11 first through hole；2 collar bushes, 21 the 3rd endless walls；3 main shaft connecting seats, 31 first annular grooves, 32
First annular wall body, 33 screwed holes；4 main shaft chucks seat；5 main shaft protecgulums, 51 second through holes, 52 second annular grooves, 53 second
Endless wall, 54 the 3rd annular grooves, 55 connecting holes；6 live spindle platens；Dust cap before 7 main shafts；It is situated between only after 8 main shafts；9 masters
Axle bonnet；101 main shaft synchronous pulleys；102 first oil cylinder contiguous blocks；103 spindle locking nuts；104 second oil cylinder contiguous blocks；
105 clutch shaft bearings；106 second bearings.
【Specific embodiment】
Embodiment：
Fig. 1-Fig. 2, a kind of sealing of the present embodiment and the good main axle structure 100 of anti-seismic performance are refer to, it includes main shaft
1, the periphery of main shaft 1 is arranged with collar bush 2, and the front end of main shaft 1 is connected with main shaft chuck seat 4, main shaft connecting seat by main shaft connecting seat 3
3 peripheries are arranged with main shaft protecgulum 5, and the periphery of main shaft protecgulum 5 is arranged with live spindle platen 6, and the front end of main shaft protecgulum 5 is provided with
It is set in dust cap 7 before the main shaft on main shaft chuck seat 4.The rear end of main shaft 1 is arranged with Jie 8 after main shaft, Jie 8 after main shaft
Periphery is arranged with 9, and the rear end of Jie 8 is provided with the main shaft synchronous pulley 101 being set on main shaft 1, main shaft Timing Belt after main shaft
The rear end of wheel 101 is provided with the first oil cylinder contiguous block 102, and the rear end of the first oil cylinder contiguous block 102 is provided with spindle locking nut
103, the periphery of spindle locking nut 103 is arranged with the second oil cylinder contiguous block that contact is supported with the first oil cylinder contiguous block 102
104。
Main shaft 1 includes that first carries section, the second carrying section and the 3rd carrying section successively from the front to the back, and first carries section
Diameter, the 3rd carrying section diameter be respectively less than the second carrying section diameter.Three clutch shaft bearings are arranged with first carrying section
105, it is arranged with two second bearings 106 in the 3rd carrying section 12.The front end of clutch shaft bearing 105 supports contact main shaft connecting seat 3
With main shaft protecgulum 5, its rear end supports contact second and carries the end face of section 13.The front end of second bearing 106 supports contact second and carries
13 end faces of section, its rear end supports and contacts with Jie 8, main shaft bonnet 9 after main shaft.Main shaft 1 is internally provided with penetrating first in axial direction
Through hole 11.Clutch shaft bearing 105 is angular contact bearing with second bearing 106.The bearing feature of angular contact is that limit speed is higher, can
To bear radial load and axial load simultaneously, it is also possible to bear purely axial load, its axial load ability is determined by contact angle,
And increase with the increase of contact angle.
Collar bush 2 is set in clutch shaft bearing 105 and the appearance of second bearing 106, and with its interference fit.
Main shaft connecting seat 3 is mutually inserted formula structure and is connected with the use of its contact site of main shaft protecgulum 5.
Specifically, the inside of main shaft connecting seat 3 is step structure for ladder cavernous structure and outer surface, its rear end aperture with
The interference fit of main shaft 1 is connected.Main shaft connecting seat 3 include around peripheral surface and the formation that is recessed from back to front first annular groove
31st, the first annular wall body 32 of the first annular inwall of groove 31 is formed.The front end face of main shaft connecting seat 3 is provided with recessed from front to back
Sunken screwed hole 33, for connecting main shaft chuck seat 4.
Main shaft protecgulum 5 include fit with the stepped outer surface of main shaft connecting seat 3 setting the second through hole 51, positioned at second
The inside of through hole 51 and the second annular groove 52, the second endless wall of the formation inwall of the second annular groove 52 that are recessed from front to back
53rd, the 3rd annular groove 54 being recessed forward from the rear end surface of main shaft protecgulum 5.Main shaft protecgulum 5 sets near its outer fringe surface annular
It is equipped with some connecting holes 55.
The front end of collar bush 2 is provided with the 3rd endless wall 21 for extending anteriorly out.Collar bush 2 supports contact main shaft bonnet
9 end face.
First annular wall body 32 is housed in the second annular groove 52.Second endless wall 53 is housed in first annular groove
In 31.3rd endless wall 21 is housed in the 3rd annular groove 54.
The present embodiment sealing main axle structure 100 good with anti-seismic performance due to effect be：With axially and radially
Load carrying capacity it is strong, spin stabilization degree is high, inner sealing performance is good, long service life and the spy such as lightweight anti-seismic performance is good
Point.Specifically,
1) by spindle design into the structure that mid diameter is big, two ends diameter is small, and how diagonal set in the small part of diameter
Contact bearing, on the one hand can realize to the spacing of bearing outer ring, total is in middle impaction state；
2) and using the pairing of many angular contact bearings use, and by compression fit between its front and back end and main shaft so that it is main
Axle is not in rock when high speed rotates, it is ensured that the performance of main shaft is more stablized；
3) its cooperation contact site of main shaft protecgulum, main shaft connecting seat and collar bush is used and is mutually inserted formula structure, and is set
Dust cap before main shaft is put, the sealing property of front-end of spindle has been improve, the entrance of dust has been reduced, and then has improve whole main shaft
Service behaviour and the life-span；
4) spindle design is hollow structure, which reduces the overall weight of main shaft, can effectively increase anti-seismic performance, and
Reduce manufacturing cost.
Above-described is only some implementation methods of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. a kind of sealing and the good main axle structure of anti-seismic performance, it includes the main shaft, collar bush being set in outside the main shaft, logical
Cross the main shaft connecting seat main shaft chuck seat being connected with the front-end of spindle and the main shaft for being set in the main shaft connecting seat periphery
Protecgulum, it is characterised in that：The front end of the main shaft protecgulum is provided with dust cap before the main shaft being set on the main shaft chuck seat,
The main shaft protecgulum is mutually inserted formula structure and is coordinated with the contact site use of the main shaft connecting seat, the collar bush
Connection, the main shaft is internally provided with axially penetrating first through hole, and main shaft two ends interference fit is connected with some pairings
The angular contact bearing of setting.
2. sealing as claimed in claim 1 and the good main axle structure of anti-seismic performance, it is characterised in that：The main shaft is by forward direction
Afterwards successively include first carry section, second carry section and the 3rd carry section, and it is described first carry section diameter, the described 3rd
The diameter for carrying section is respectively less than the described second diameter for carrying section.
3. sealing as claimed in claim 2 and the good main axle structure of anti-seismic performance, it is characterised in that：The angular contact bearing
Including be arranged on it is described first carrying section at least two clutch shaft bearings, be arranged on it is described 3rd carry section at least two
Second bearing.
4. sealing as claimed in claim 3 and the good main axle structure of anti-seismic performance, it is characterised in that：The rear end of the main shaft
It is situated between only after being arranged with main shaft, the periphery only that is situated between after the main shaft is arranged with main shaft bonnet, the rear end only that is situated between after the main shaft is set
There is the main shaft synchronous pulley being set on the main shaft.
5. sealing as claimed in claim 4 and the good main axle structure of anti-seismic performance, it is characterised in that：The clutch shaft bearing
Front end supports the contact main shaft connecting seat and the main shaft protecgulum, and its rear end supports contact described second and carries section end face；Institute
The front end for stating second bearing supports contact described second and carries and be situated between after section end face, its rear end and the main shaft only, after the main shaft
Lid supports contact.
6. sealing as claimed in claim 1 and the good main axle structure of anti-seismic performance, it is characterised in that：The main shaft connecting seat
Including around peripheral surface and the formation that is recessed from back to front first annular groove, form the of the first annular groove inner wall
One endless wall.
7. sealing as claimed in claim 6 and the good main axle structure of anti-seismic performance, it is characterised in that：The main shaft protecgulum bag
Include fitted with the stepped outer surface of the main shaft connecting seat set the second through hole, positioned at second through hole inside and from preceding
The second annular groove for being recessed backward, the second endless wall for forming the second annular groove inwall, from the main shaft protecgulum
The 3rd annular groove that rear end surface is recessed forward.
8. sealing as claimed in claim 7 and the good main axle structure of anti-seismic performance, it is characterised in that：Before the collar bush
End is provided with the 3rd endless wall for extending anteriorly out.
9. sealing as claimed in claim 8 and the good main axle structure of anti-seismic performance, it is characterised in that：The first annular wall
Body is housed in second annular groove, and second endless wall is housed in the first annular groove, and the described 3rd
Endless wall is housed in the 3rd annular groove.
10. sealing as claimed in claim 3 and the good main axle structure of anti-seismic performance, it is characterised in that：The collar bush set
Be located at the clutch shaft bearing and the second bearing outer surface and with its interference fit；The collar bush front end and the main shaft
Protecgulum supports contact, and its rear end supports with the main shaft bonnet and contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621187724.2U CN206215932U (en) | 2016-10-28 | 2016-10-28 | A kind of sealing and the good main axle structure of anti-seismic performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621187724.2U CN206215932U (en) | 2016-10-28 | 2016-10-28 | A kind of sealing and the good main axle structure of anti-seismic performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206215932U true CN206215932U (en) | 2017-06-06 |
Family
ID=58791884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621187724.2U Expired - Fee Related CN206215932U (en) | 2016-10-28 | 2016-10-28 | A kind of sealing and the good main axle structure of anti-seismic performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206215932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408742A (en) * | 2020-03-16 | 2020-07-14 | 珠海格力电器股份有限公司 | Bearing sleeve, electric spindle, machine tool and mounting method thereof |
| CN112714833A (en) * | 2018-09-13 | 2021-04-27 | 日本精工株式会社 | Spindle device |
-
2016
- 2016-10-28 CN CN201621187724.2U patent/CN206215932U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112714833A (en) * | 2018-09-13 | 2021-04-27 | 日本精工株式会社 | Spindle device |
| CN112714833B (en) * | 2018-09-13 | 2022-08-26 | 日本精工株式会社 | Spindle device |
| CN111408742A (en) * | 2020-03-16 | 2020-07-14 | 珠海格力电器股份有限公司 | Bearing sleeve, electric spindle, machine tool and mounting method thereof |
| CN111408742B (en) * | 2020-03-16 | 2021-08-17 | 珠海格力电器股份有限公司 | Bearing sleeve, electric spindle, machine tool and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20191028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |