CN208342555U - A kind of 80,000 grades of main shaft bistriques - Google Patents
A kind of 80,000 grades of main shaft bistriques Download PDFInfo
- Publication number
- CN208342555U CN208342555U CN201820836228.8U CN201820836228U CN208342555U CN 208342555 U CN208342555 U CN 208342555U CN 201820836228 U CN201820836228 U CN 201820836228U CN 208342555 U CN208342555 U CN 208342555U
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- Prior art keywords
- bearing
- shaft
- hollow matrix
- nut
- grinding wheel
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Abstract
The utility model discloses a kind of 80,000 grades of main shaft bistriques, comprising: shaft, rotor, grinding wheel, grinding wheel base body, ER nut, ER collet, coil, bearing and hollow matrix；There is opening on hollow matrix；Rotor is set in shaft；The second end of shaft penetrates hollow matrix from opening；The first end of shaft is arranged in ER collet；Grinding wheel base body is arranged in ER collet；ER nut is set in the first end of shaft, and in the outside of ER collet；Grinding wheel is arranged on grinding wheel base body；Coil is arranged between the inner wall of hollow matrix and rotor；Bearing is arranged between the inner wall of hollow matrix and shaft.It is powered by coil and drives shaft rotation, driven grinding wheel rotation, due to eliminating intermediate transmission link, not only simplify structure, noise is reduced, spindle vibration is reduced, improves rotating accuracy, and gear drive error is also eliminated, when operation, is more steady, accelerates revolving speed.
Description
Technical field
The utility model relates to bistrique technical fields, more particularly to a kind of 80,000 grades of main shaft bistriques.
Background technique
In the industrial production, machine tool chief axis and motor are combined into one by main shaft, are formed built-in type spindle drive systems, are machines
One of the core key part of bed.But in the prior art, ball high-speed spindle is due to complicated integral structure and loose, processing
Difficult and symmetry is poor, thus there are the low deficiencies low with revolving speed of rotating accuracy.
Utility model content
The utility model solves complicated integral structure in the prior art and pine by providing a kind of 80,000 grades of main shaft bistriques
It dissipates, the technical problem of difficult processing and symmetry difference realizes the technical effect for improving rotating accuracy He accelerating revolving speed.
The utility model provides a kind of 80,000 grades of main shaft bistriques, comprising: shaft, rotor, grinding wheel, grinding wheel base body, ER spiral shell
Mother, ER collet, coil, bearing and hollow matrix；There is opening on the hollow matrix；The rotor is set in the shaft；
The second end of the shaft penetrates the hollow matrix from the opening；The first end of the shaft is arranged in the ER collet；
The grinding wheel base body is arranged in the ER collet；The ER nut is set in the first end of the shaft, and presss from both sides in the ER
The outside of head；The grinding wheel is arranged on the grinding wheel base body；The coil be arranged in the inner wall of the hollow matrix with it is described
Between rotor；The bearing is arranged between the inner wall of the hollow matrix and the shaft.
Further, the ER collet is ducted body；The outer wall of the ducted body be along middle part to collet end gradually
Reduced inclined-plane, and through slot is provided in the axial direction on the outer wall of the ducted body；
There is external screw thread in the first end of the shaft, the ER nut and the first end of the shaft are connected through a screw thread,
The inclined-plane is pre-tightened.
Further, the through slot is uniformly provided on the outer wall of the ducted body.
Further, further includes: sealing ring；The sealing ring is set in the first end of the shaft, and is located at described open
At mouthful.
Further, further includes: the first precompressed nut, the second precompressed nut and precompressed elastic slice；The bearing includes: first
Bearing and second bearing；The inner wall of the hollow matrix has boss structure；The first bearing and the second bearing are arranged
In the shaft, and the first bearing and the second bearing are located at the two sides of the rotor；First precompressed
Nut and the second precompressed nut are respectively sleeved at the both ends of the shaft；First face of the first bearing and described first
The contact of precompressed nut, the second face of the first bearing and the first face contact of the boss structure；The of the precompressed elastic slice
Second face contact of one end and the boss structure, the second end of the precompressed elastic slice connect with the first face of the second bearing
Touching；Second face of the second bearing is contacted with the second precompressed nut.
Further, further includes: first bearing seat and second bearing seat；The first bearing seat is arranged in the first axle
The outside held, and in the hollow matrix；The second bearing seat is arranged in the outside of the second bearing, and in described
In space base body.
Further, the hollow matrix includes: hollow, the first sealing cover and the second sealing cover；First sealing
Lid and second sealing cover are separately positioned on the both ends of the hollow；There is the opening on first sealing cover；?
The inner wall of the hollow has the boss structure；The first bearing seat and the second bearing seat are in the hollow
In；There is the power connection connecting with the coil on second sealing cover.
Further, there is lubricating fluid injection channel on the hollow matrix；The lubricating fluid injection channel is passed through described
Bearing.
Further, further includes: lubricating fluid storage device；The lubricating fluid output end of the lubricating fluid storage device is passed through institute
State lubricating fluid injection channel.
The one or more technical solutions provided in the utility model, have at least the following technical effects or advantages:
The utility model is powered by coil drives shaft rotation, to drive grinding wheel to rotate, due to eliminating intermediate biography
Rotating ring section (such as gear, belt, shaft coupling), thus structure is not only simplified, noise is reduced, spindle vibration is reduced, is mentioned
High rotating accuracy, and also eliminate gear drive error, when operation, are more steady, accelerate revolving speed.
In addition, there is lubricating fluid injection channel on hollow matrix, operation is not only further ensured by being passed through lubricating fluid
Steadily, and temperature rise is slowed down, extends service life.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of 80,000 grades of main shaft bistriques provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram in A-A direction of Fig. 1；
Fig. 3 is the structural schematic diagram of ER collet 6 in 80,000 grades of main shaft bistriques provided by the embodiment of the utility model；
Wherein, 1- shaft, 2- rotor, 3- grinding wheel, 4- grinding wheel base body, 5-ER nut, 6-ER collet, 7- coil, 8- sealing
Circle, 9- the first precompressed nut, 10- precompressed elastic slice, 11- first bearing, 12- second bearing, 13- lubricating fluid injection channel, 14- the
One bearing block, 15- second bearing seat, 16- hollow, the first sealing cover of 17-, the second sealing cover of 18-, 19- the second precompressed nut,
The inclined-plane 20-, 21- through slot.
Specific embodiment
It is multiple to solve overall structure in the prior art by providing a kind of 80,000 grades of main shaft bistriques for the utility model embodiment
Miscellaneous and loose, the technical problem of difficult processing and symmetry difference realizes the technology effect for improving rotating accuracy and accelerating revolving speed
Fruit.
The technical scheme in the embodiment of the utility model is to solve the above problems, general thought is as follows:
The utility model embodiment is powered by coil drives shaft rotation, to drive grinding wheel to rotate, due to eliminating
Intermediate transmission link (such as gear, belt, shaft coupling), thus structure is not only simplified, noise is reduced, main shaft vibration is reduced
It is dynamic, rotating accuracy is improved, and also eliminate gear drive error, when operation is more steady, accelerates revolving speed.In addition,
There is lubricating fluid injection channel on hollow matrix, is not only further ensured by being passed through lubricating fluid and run smoothly, but also slowed down
Temperature rise extends service life.
Above-mentioned technical proposal in order to better understand, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Referring to Fig. 1 and Fig. 2,80,000 grades of main shaft bistriques provided by the embodiment of the utility model, comprising: shaft 1, rotor 2, sand
Wheel 3, grinding wheel base body 4, ER nut 5, ER collet 6, coil 7, bearing and hollow matrix；There is opening on hollow matrix；Rotor 2 is arranged
In shaft 1；The second end of shaft 1 penetrates hollow matrix from opening；The first end of shaft 1 is arranged in ER collet 6；Grinding wheel base body
4 are arranged in ER collet 6；ER nut 5 is set in the first end of shaft 1, and in the outside of ER collet 6；Grinding wheel 3 is arranged in grinding wheel
On matrix 4；Coil 7 is arranged between the inner wall of hollow matrix and rotor 2；The inner wall and shaft 1 of hollow matrix is arranged in bearing
Between.
Referring to Fig. 3, the structure of ER collet 6 is specifically described, ER collet 6 is ducted body；Workpiece setting is in ducted body
In；The outer wall of ducted body is the inclined-plane 20 being gradually reduced along middle part to collet end, and along axial direction on the outer wall of ducted body
Offer through slot 21；
There is external screw thread in the first end of shaft 1, ER nut 5 and the first end of shaft 1 are connected through a screw thread, and inclined-plane 20 is pre-
Tightly.Specifically, ER nut 5 applies pressing force, inclined-plane to inclined-plane 20 while the first end with shaft 1 is connected through a screw thread
Through slot 21 on 20 tightens, and completes the clamping to the workpiece in ducted body.
What needs to be explained here is that the inclined-plane 20 of ducted body outer wall is also possible to convex globoidal, only it need to guarantee that ER nut 5 can
Pressing force is applied to convex globoidal, and then tightens the through slot 21 on convex globoidal.
The structure of ER collet 6 is further described, through slot 21 is uniformly provided on the outer wall of ducted body.
In order to reinforce the leakproofness of the utility model embodiment, further includes: sealing ring 8；Sealing ring 8 is set in shaft 1
First end, and it is located at opening, to be sealed between the first end and opening of shaft 1.
In the present embodiment, sealing ring 8 is rubber seal, asbestos seal ring or aramid fiber sealing ring.
The structure of the utility model embodiment is specifically described, further includes: the first precompressed nut 9, the second precompressed spiral shell
Mother 19 and precompressed elastic slice 10；Bearing includes: first bearing 11 and second bearing 12；The inner wall of hollow matrix has boss structure；The
One bearing 11 and second bearing 12 are set in shaft 1, and first bearing 11 and second bearing 12 are located at the two of rotor 2
Side；First precompressed nut 9 and the second precompressed nut 19 are respectively sleeved at the both ends of shaft 1；First face of first bearing 11 and the
The contact of one precompressed nut 9, the second face of first bearing 11 and the first face contact of boss structure；The first end of precompressed elastic slice 10 with
Second face contact of boss structure, the second end of precompressed elastic slice 10 and the first face contact of second bearing 12；Second bearing 12
Second face is contacted with the second precompressed nut 19.First bearing 11 is locked by the first precompressed nut 9 and boss structure, is realized
To the axial limiting of first bearing 11, second bearing 12 is locked with the second precompressed nut 19 by precompressed elastic slice 10, is realized
To the axial limiting of second bearing 12.
The structure of the utility model embodiment is further described, further includes: first bearing seat 14 and second bearing
Seat 15；The outside of first bearing 11 is arranged in first bearing seat 14, and in hollow matrix；Second bearing seat 15 is arranged second
The outside of bearing 12, and in hollow matrix.
The structure of hollow matrix is specifically described, hollow matrix includes: hollow 16, the first sealing cover 17 and second
Sealing cover 18；First sealing cover 17 and the second sealing cover 18 are separately positioned on the both ends of hollow 16；On the first sealing cover 17
There is opening；There is boss structure in the inner wall of hollow 16；First bearing seat 14 and second bearing seat 15 are in hollow 16；The
There is the power connection connecting with coil 7 on two sealing covers 18.
In the present embodiment, the first sealing cover 17 and the second sealing cover 18 pass through welding and/or bolted mode point
The both ends of hollow 16 are not set.Specifically, the first sealing cover 17 and the second sealing cover 18 can pass through welding and/or spiral shell
The both ends that the mode connect is separately positioned on hollow 16 are tethered, hollow 16 can also be set by welding with one
One end, the other end of hollow 16 is arranged in another by bolted connection.
In order to be lubricated to the utility model embodiment, there is lubricating fluid injection channel 13 on hollow matrix；Lubricating fluid
Injection channel 13 is passed through bearing.
In the present embodiment, lubricating fluid injection channel 13 is laid in hollow 16；Lubricating fluid injection channel 13 is passed through
One bearing 11 and second bearing 12.
The structure of the utility model embodiment is further explained, further includes: lubricating fluid storage device；Lubricating fluid
The lubricating fluid output end of storage device is passed through lubricating fluid injection channel 13.
In the present embodiment, the lubricating fluid in lubricating fluid storage device is machinery oil, gear oil or lubricating grease.
The working principle of the utility model embodiment is illustrated:
It is first powered to coil 7, makes rotor 2 that shaft 1 be driven to rotate, and then the grinding wheel 3 being arranged in shaft 1 is driven to rotate,
Polishing operation is carried out to workpiece to be processed.
[technical effect]
1, the utility model embodiment is powered by coil 7 drives shaft 1 to rotate, to drive grinding wheel 3 to rotate, due to taking
The intermediate transmission link that disappeared (such as gear, belt, shaft coupling), thus structure is not only simplified, noise is reduced, master is reduced
Shaft vibration improves rotating accuracy, and also eliminates gear drive error, and when operation is more steady, accelerates revolving speed.This
Outside, there is lubricating fluid injection channel 13 on hollow matrix, not only further ensured by being passed through lubricating fluid and run smoothly, but also
Temperature rise is slowed down, service life is extended.
2, by the use to sealing ring 8, the leakproofness of the utility model embodiment is strengthened.
3, by the use to precompressed nut 9 and precompressed elastic slice 10, first bearing 11 and second bearing 12 are locked,
Improve stability when the utility model embodiment work.
The utility model embodiment not only realizes quick response, and process time is shorten to only original 1/4；And
Also improve rotating accuracy.The utility model embodiment is with compact-sized, light-weight, inertia is small, with small vibration, low noise, essence
The advantages that degree is high, stability is good, response is fast, revolving speed is high.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of 80,000 grades of main shaft bistriques characterized by comprising shaft, rotor, grinding wheel, grinding wheel base body, ER nut, ER folder
Head, coil, bearing and hollow matrix；There is opening on the hollow matrix；The rotor is set in the shaft；The shaft
Second end from it is described opening penetrate the hollow matrix；The first end of the shaft is arranged in the ER collet；The grinding wheel
Matrix is arranged in the ER collet；The ER nut is set in the first end of the shaft, and in the outside of the ER collet；
The grinding wheel is arranged on the grinding wheel base body；The coil is arranged between the inner wall of the hollow matrix and the rotor；
The bearing is arranged between the inner wall of the hollow matrix and the shaft.
2. main shaft bistrique as described in claim 1, which is characterized in that the ER collet is ducted body；Outside the ducted body
Wall is the inclined-plane being gradually reduced along middle part to collet end, and is provided in the axial direction with through slot on the outer wall of the ducted body；
There is external screw thread in the first end of the shaft, the ER nut and the first end of the shaft are connected through a screw thread, by institute
State inclined-plane preload.
3. main shaft bistrique as claimed in claim 2, which is characterized in that the through slot is uniformly provided with the outer wall of the ducted body
On.
4. main shaft bistrique as described in claim 1, which is characterized in that further include: sealing ring；The sealing ring is set in described
The first end of shaft, and it is located at the opening.
5. main shaft bistrique as described in claim 1, which is characterized in that further include: the first precompressed nut, the second precompressed nut and
Precompressed elastic slice；The bearing includes: first bearing and second bearing；The inner wall of the hollow matrix has boss structure；Described
One bearing and the second bearing are set in the shaft, and the first bearing and the second bearing are located at institute
State the two sides of rotor；The first precompressed nut and the second precompressed nut are respectively sleeved at the both ends of the shaft；It is described
First face of first bearing is contacted with the first precompressed nut, and the of the second face of the first bearing and the boss structure
One face contact；The first end of the precompressed elastic slice and the second face contact of the boss structure, the second end of the precompressed elastic slice
With the first face contact of the second bearing；Second face of the second bearing is contacted with the second precompressed nut.
6. main shaft bistrique as claimed in claim 5, which is characterized in that further include: first bearing seat and second bearing seat；It is described
The outside of the first bearing is arranged in first bearing seat, and in the hollow matrix；The second bearing seat is arranged in institute
The outside of second bearing is stated, and in the hollow matrix.
7. main shaft bistrique as claimed in claim 6, which is characterized in that the hollow matrix includes: hollow, the first sealing cover
And second sealing cover；First sealing cover and second sealing cover are separately positioned on the both ends of the hollow；Described
There is the opening on first sealing cover；There is the boss structure in the inner wall of the hollow；The first bearing seat and described
Second bearing seat is in the hollow；There is the power connection connecting with the coil on second sealing cover.
8. main shaft bistrique as described in claim 1, which is characterized in that there is lubricating fluid injection channel on the hollow matrix；
The lubricating fluid injection channel is passed through the bearing.
9. main shaft bistrique as claimed in claim 8, which is characterized in that further include: lubricating fluid storage device；The lubricating fluid is deposited
The lubricating fluid output end of storage device is passed through the lubricating fluid injection channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836228.8U CN208342555U (en) | 2018-05-31 | 2018-05-31 | A kind of 80,000 grades of main shaft bistriques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836228.8U CN208342555U (en) | 2018-05-31 | 2018-05-31 | A kind of 80,000 grades of main shaft bistriques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208342555U true CN208342555U (en) | 2019-01-08 |
Family
ID=64891577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820836228.8U Expired - Fee Related CN208342555U (en) | 2018-05-31 | 2018-05-31 | A kind of 80,000 grades of main shaft bistriques |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208342555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531381A (en) * | 2019-01-14 | 2019-03-29 | 福建省正丰数控科技有限公司 | Double-end polishing machine main shaft |
-
2018
- 2018-05-31 CN CN201820836228.8U patent/CN208342555U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531381A (en) * | 2019-01-14 | 2019-03-29 | 福建省正丰数控科技有限公司 | Double-end polishing machine main shaft |
| CN109531381B (en) * | 2019-01-14 | 2024-04-12 | 福建省正丰数控科技有限公司 | Double-end polishing machine spindle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20200531 |