CN207239790U - A kind of novel high speed ball bearing electro spindle - Google Patents
A kind of novel high speed ball bearing electro spindle Download PDFInfo
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- CN207239790U CN207239790U CN201720487256.9U CN201720487256U CN207239790U CN 207239790 U CN207239790 U CN 207239790U CN 201720487256 U CN201720487256 U CN 201720487256U CN 207239790 U CN207239790 U CN 207239790U
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- cylinder
- main shaft
- mainly includes
- tool
- rear bearing
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Abstract
The utility model discloses a kind of novel high speed ball bearing electro spindle, including cylinder assembly, cylinder holder assembly, rear bearing block component, body assembly, front-end bearing pedestal component, rotor assembly, fore bearing Anchor plate kit, encoder and tool-broaching mechanism.The utility model employs grease lubrication Ceramic Composite ball bearing, can realize lifetime lubrication within the service life cycle of bearing, using simple, conveniently.The phase asynchronous induction machine of electric machine built-in, electrodeless variable-speed control is carried out by frequency converter, since this motor has the characteristics that compact-sized, light weight, inertia be small, with small vibration, low noise, it is possible to realizes high rotating speed, high-precision and high run stability.
Description
Technical field
It the utility model is related to a kind of novel high speed ball bearing electro spindle.
Background technology
Due to the development of the technologies such as mobile phone, people are higher and higher to production efficiency requirement, while also to improve the product of processing
Matter, the aesthetic finish requirement to shells such as mobile phone, consumer electronics products is higher and higher, thus to the electricity on gong side, polishing
Machine has the requirement of higher, is included in and requires that higher, the smooth running performance of motor be good, motor is swung running at high speed on rotating speed
It is small etc., it is also desirable that when carrying out carving milling to workpiece, also drilling-tapping is carried out to workpiece；
Current ball bearing electro spindle such in industry, low speed torque are big, cannot generally go up high rotating speed, or upper height
Vibration and beat are larger after rotating speed；
It is commercially longer by the high rotating speed time in the slow-speed of revolution, caloric value considerable influence processing efficiency；
Assembled in motor caused heating problem after spindle unit, generally all handles not to be fine, causes service life
Reduced with efficiency；
Also in the market alarm, the sensor of parking and its control system etc. are a series of supports the other of electro spindle operating
Peripheral unit stability is not good enough.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of novel high speed ball bearing electro spindle, can be fine
The above-mentioned technology of solution deficiency.
The utility model is achieved through the following technical solutions：A kind of novel high speed ball bearing electro spindle, including
Cylinder assembly, cylinder holder assembly, rear bearing block component, body assembly, front-end bearing pedestal component, rotor assembly, front-end bearing pedestal pressing plate
Component, encoder and tool-broaching mechanism.
As preferable technical solution, the cylinder assembly mainly includes rear cover, the second cylinder baffle, cylinder catch, the
Two cylinder push jacks, the first cylinder baffle, the first cylinder push jack composition, after be stamped cylinder tool changing air pressure interface, main shaft need change
During knife, the gas of certain air pressure is injected to cylinder by the interface, broaching tool machine is transferred force to by first, second cylinder push jack
Structure.Connected between first, second cylinder baffle and first, second cylinder push jack with star-like circle.
As preferable technical solution, the cylinder holder assembly mainly includes cylinder block and various terminal, cylinder block knot
Structure is complicated, plays a part of to connect cylinder and rear bearing block component in main shaft, and cylinder block has cylinder reseting interface by cylinder end,
When main shaft works, certain air pressure is passed through to cylinder reseting interface, pushes cylinder push jack to rear cover end, such main shaft is being transported
When turning, will not exist with pull rod and contact, so as to avoid main shaft caused by cylinder push jack contacts pull rod the stuck situation of main shaft, gas
There are 3 position sensors in cylinder seat, be respectively broaching tool location sensitive, tool change position senses and without cutter position sensing, it passes through
Trip bolt is locked on cylinder block.
As preferable technical solution, the rear bearing block component mainly includes rear bearing block, rear bearing block cover plate, rear axle
Bearing inner sleeve, preloading spring, rear bearing block inner sleeve bottom plate, rear bearing block cover board and various screws, rear bearing block and rear bearing
Seat inner sleeve small―gap suture coordinates, then axial dynamic pretension is played to ball bearing by axial pretightening spring, and rear bearing block cover board passes through
Screw links together with rear bearing block inner sleeve.
As preferable technical solution, the body assembly mainly include body and coil body for whole main shaft with
The core of external connection, while be also the assembling main body of whole spindle core accessory, body flange disk is by screw and outside
Portion links together, and coil carries out axial direction and radial positioning by the coil location hole of this body side surface, has two screws on body
Hole is used for shaft core dynamic dynamic balancing.
As preferable technical solution, the front-end bearing pedestal component mainly includes front-end bearing pedestal, water bloking piece and fore bearing
Flap plate, wherein rotor assembly mainly include shaft core, mouse cage and mouse cage pressure ring.
As preferable technical solution, the front-end bearing pedestal Anchor plate kit mainly includes front-end bearing pedestal pressing plate and fore bearing
Seat pressing plate inner sleeve, front axle bearing plate are assemblied together with front-end bearing pedestal pressing plate inner sleeve interference fit, and there are one between both contact
Ring groove, front-end bearing pedestal pressing plate inner sleeve side is there are a uniformly distributed aperture of circle, and in spindle operation, air pressure is by aperture by break flour
Main shaft is blown out, encoder mainly includes encoder, adjusting nut and measurement gear.
As preferable technical solution, the tool-broaching mechanism mainly includes HSK handle of a knifes, shaft core, mobile expansion set, broaching tool valve
Pawl, pulling claw spring mechanism, pull rod, pull-rod spring, pull rod adjustment ring, pull rod pressure ring, pull-rod nut.
The beneficial effects of the utility model are：1st, main shaft tail is equipped with the cylinder for being used for replacing cutter automatically, tool changing is convenient,
Quickly, the anterior tensioning mechanism for using locking nut, energy precise positioning cutter, whole main axle structure are designed with circulation waterway,
Can in time by main shaft work caused by heat take out of；
2nd, main shaft employs a kind of large torque output winding, in similar product, has bigger in the case of same rotating speed
Torque；
3rd, main shaft uses two level waterproof construction, can effectively prevent the liquid such as cutting fluid from entering in main shaft in processing
Portion, extends the service life of main shaft；
4th, collet has blowing function to main shaft at work, can effectively prevent the chip that cutting produces from entering in main shaft
Portion, extends the service life of main shaft；
5th, it is anterior use HSK handle of a knifes, can precise positioning cutter, the position sensor completion Tool Control on cylinder block moves
Make；Whole main axle structure is designed with circulation waterway, fore bearing cooling water special road, can in time by main shaft work caused by heat
Take out of；
6th, in terms of test and debugging, this main shaft uses the adjustable design of dynamic balancing, and dynamic balancing, adjustment are also can adjust after assembling
It is convenient, fast.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structure diagram of the main spindle front bearing seat of the utility model.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and attached drawing）Disclosed in any feature, except non-specifically chatting
State, can be replaced by other alternative features that are equivalent or have similar purpose.I.e., unless specifically stated, each feature
It is an example in a series of equivalent or similar characteristics.
A kind of as shown in Figure 1, novel high speed ball bearing electro spindle, it is characterised in that：Including cylinder assembly, cylinder block group
Part, rear bearing block component, body assembly, front-end bearing pedestal component, rotor assembly, front-end bearing pedestal Anchor plate kit, encoder and drawing
Cutter mechanism.
In the present embodiment, the cylinder assembly mainly includes rear cover 47, the second cylinder baffle 1, cylinder catch 2, the second gas
Cylinder push jack 46, the first cylinder baffle 3, the first cylinder push jack 45 form, and rear cover 47 has cylinder tool changing air pressure interface, are needed in main shaft
During tool changing, the gas of certain air pressure is injected to cylinder by the interface, is transmitted power by first, second cylinder push jack 45,46
To tool-broaching mechanism.Connected between first, second cylinder baffle 3,1 and first, second cylinder push jack 45,46 with star-like circle.
In the present embodiment, the cylinder holder assembly mainly includes cylinder block 44 and various terminal, and 44 structure of cylinder block is answered
It is miscellaneous, play a part of to connect cylinder and rear bearing block component in main shaft, cylinder block 44 has cylinder reseting interface by cylinder end,
When main shaft works, certain air pressure is passed through to cylinder reseting interface, pushes cylinder push jack to rear cover 47 end, such main shaft is being transported
When turning, will not exist with pull rod 34 and contact, so as to avoid main shaft caused by cylinder push jack contacts pull rod 34 the stuck feelings of main shaft
Condition, has 3 position sensors on cylinder block 44, is respectively broaching tool location sensitive, tool change position sensing and senses without cutter position,
It is locked on cylinder block 44 by trip bolt.
In the present embodiment, the rear bearing block component mainly includes rear bearing block 39, rear bearing block cover plate 36, rear bearing block
Interior 7, preloading spring 40, rear bearing block inner sleeve bottom plate 10, rear bearing block cover board 5 and various screws, rear bearing block 39 and rear axle
7 small―gap suture of bearing inner sleeve coordinates, then axial dynamic pretension, rear bearing block cover board are played to ball bearing by axial pretightening spring 40
5 are linked together by screw and rear bearing block inner sleeve 7.
In the present embodiment, the body assembly mainly include body 13 and 12 body 13 of coil for whole main shaft with it is outer
The core of portion's connection, while be also the assembling main body of whole spindle core accessory, 13 ring flange of body is by screw and outside
Portion links together, and coil 12 carries out axial direction and radial positioning by the coil location hole of 13 side of body, has two on body 13
A screw hole is used for 32 dynamic dynamic balancing of shaft core.
In the present embodiment, the front-end bearing pedestal component mainly includes front-end bearing pedestal 14, water bloking piece 15 and fore bearing flap
Plate 29, wherein rotor assembly mainly include shaft core 32, mouse cage 33 and mouse cage pressure ring 35.
In the present embodiment, the front-end bearing pedestal Anchor plate kit mainly includes front-end bearing pedestal pressing plate 19 and front-end bearing pedestal pressing plate
Inner sleeve 25, front axle pressure-bearing 19 are assemblied together with the interference fit of front-end bearing pedestal pressing plate inner sleeve 25, and there are a circle between both contact
Annular groove, 25 side of front-end bearing pedestal pressing plate inner sleeve is there are a uniformly distributed aperture of circle, and in spindle operation, air pressure is by aperture by break flour
Main shaft is blown out, encoder mainly includes encoder, adjusting nut 4 and measurement gear 41.
In the present embodiment, the tool-broaching mechanism mainly include HSK handle of a knifes 21, shaft core 32 move expansion set 18, broaching tool claw 17,
Pulling claw spring mechanism 30, pull rod 34, pull-rod spring 38, pull rod adjustment ring 11, pull rod pressure ring 31, pull-rod nut 43.
There is cooling circulating water between main shaft body 13, front-end bearing pedestal 14,26 three of front-end bearing pedestal pressing plate, it is ensured that main shaft is operating
When be in normal temperature state.This main shaft in the running, by the external air-flow of cylinder block 44 to pull rod 34, mobile expansion set 18, HSK knives
Handle 21 sprays air-flow to front-end of spindle, break flour is cannot be introduced into main shaft, allow inside main shaft the dustless state that is in, significant increase master
The axis service life.
This main shaft uses HSK tool-broaching mechanisms, dual contact is realized by 32 end face of shaft core and taper, in the whole range of speeds
Interior, dynamic accuracy is good, compares dynamic and static radial rigidity and good cutting ability of other tool-broaching mechanisms with bigger；Main shaft is bored
Shank length is short, light-weight, therefore tool change time is short.
This main shaft employs encoder, it is possible to achieve main shaft height low torque, low speed high torque.This maximum speed of spindle can
Reach 40,000 rpms.
The ceramic ball bearing frictional behaviour that main shaft uses is very good, can reduce the stress of materials and lubricants.The bullet of ceramics
Property modulus is higher, can improve the rigidity of bearing.Antero posterior axis bearing uses separation design, is reducing the situation of difficulty of processing
Under, add overall precision.
This main spindle front bearing seat employs cooling structure, as shown in Fig. 2, effectively reducing the temperature of bearing, improves axis
The service life held.Bearing both ends are locked by locking nut, limit axial runout of the main shaft when high speed rotates, Neng Gouchang
Time provides the stable ability processed in high precision at high speed.
At work, the air pressure provided by cylinder block external connector, by pull rod central through hole, then passes through folder to this main shaft
To blowing outside main shaft, this function largely avoid main shaft and enters in cutting chip caused by processing in main shaft head
Portion.
This main shaft uses HSK tool-broaching mechanisms, dual contact is realized by 32 end face of shaft core and taper, in the whole range of speeds
Interior, dynamic accuracy is good, compares dynamic and static radial rigidity and good cutting ability of other tool-broaching mechanisms with bigger；Main shaft is bored
Shank length is short, light-weight, therefore tool change time is short.
This main shaft employs encoder, it is possible to achieve main shaft height low torque, low speed high torque.
This main shaft employs a kind of large torque output winding 12 so that and main shaft compares similar main shaft under identical rotating speed,
Torque with higher.
This main shaft employs breakdown cylinder, can increase cylinder thrust by increasing number of cylinders, and reduce cylinder
The size of outside diameter, so substantially reduces volume accounting of the main shaft in whole machine.
To effectively controlling dust to enter main shaft in drifting dust gas circuit, the failure rate of main shaft at work is greatly reduced, this
Three inductors of main shaft can accurately control " loose knife ", " broaching tool ", the state of " no knife ", and in addition temperature inductor can supervise in real time
Actual temperature during main shaft work is controlled, so as to effectively protect electro spindle normal work.
The beneficial effects of the utility model：（1）Main shaft tail is equipped with the cylinder for being used for replacing cutter automatically, tool changing is convenient,
Quickly, the anterior tensioning mechanism for using locking nut, can precise positioning cutter.（2）Whole main axle structure is designed with recirculated water
Road, can in time by main shaft work caused by heat take out of.（3）Main shaft employs a kind of large torque output winding, in similar production
In product, there is the torque of bigger in the case of same rotating speed.（4）Main shaft uses two level waterproof construction, can be effective in processing
The liquid such as prevention cutting fluid enter inside main shaft, extend the service life of main shaft.（5）Main shaft at work collet have blow
Airway dysfunction, can effectively prevent the chip that cutting produces from entering inside main shaft, extend the service life of main shaft.（6）It is anterior
Using HSK handle of a knifes, can precise positioning cutter, the position sensor on cylinder block completes Tool Control action,（7）Whole main shaft knot
Structure is designed with circulation waterway, fore bearing cooling water special road, can in time by main shaft work caused by heat take out of.（8）Surveying
In terms of trying debugging, this main shaft uses the adjustable design of dynamic balancing, and dynamic balancing is also can adjust after assembling, easy to adjust, quick.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should be covered within the scope of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (1)
- A kind of 1. novel high speed ball bearing electro spindle, it is characterised in that：Including cylinder assembly, cylinder holder assembly, rear bearing block Component, body assembly, front-end bearing pedestal component, rotor assembly, front-end bearing pedestal Anchor plate kit, encoder and tool-broaching mechanism；The cylinder assembly mainly includes rear cover（47）, the second cylinder baffle（1）, cylinder catch（2）, the second cylinder push jack （46）, the first cylinder baffle（3）, the first cylinder push jack（45）Composition, rear cover（47）There is cylinder tool changing air pressure interface, needed in main shaft When wanting tool changing, the gas of certain air pressure is injected to cylinder by the interface, passes through first, second cylinder push jack（45,46）By power It is delivered to tool-broaching mechanism, first, second cylinder baffle（3,1）With first, second cylinder push jack（45,46）Between with it is star-like circle connect Connect；The cylinder holder assembly mainly includes cylinder block（44）And various terminal, cylinder block（44）It is complicated, in main shaft Play a part of to connect cylinder and rear bearing block component, cylinder block（44）There is cylinder reseting interface by cylinder end, work in main shaft When, certain air pressure is passed through to cylinder reseting interface, pushes cylinder push jack to rear cover（47）End, such main shaft in the running, Will not be with pull rod（34）There are contact, so as to avoid main shaft because cylinder push jack contacts pull rod（34）Cause the feelings that main shaft is stuck Condition, cylinder block（44）On have 3 position sensors, be respectively broaching tool location sensitive, tool change position sensing and without cutter position sense Should, it is locked at cylinder block by trip bolt（44）On；The rear bearing block component mainly includes rear bearing block（39）, rear bearing block cover plate（36）, rear bearing block inner sleeve（7）, it is pre- Tight spring（40）, rear bearing block inner sleeve bottom plate（10）, rear bearing block cover board（5）And various screws, rear bearing block（39）With it is rear Bearing block inner sleeve（7）Small―gap suture coordinates, then passes through axial pretightening spring（40）Axial dynamic pretension, rear bearing are played to ball bearing Flap plate（5）Pass through screw and rear bearing block inner sleeve（7）Link together；The body assembly mainly includes body（13）And coil（12）Body（13）For whole main shaft and external connection Core, at the same be also whole spindle core accessory assembling main body, body（13）Ring flange passes through screw and external connection Together, coil（12）Pass through body（13）The coil location hole of side carries out axial direction and radial positioning, body（13）On have two A screw hole is used for shaft core（32）Dynamic dynamic balancing；The front-end bearing pedestal component mainly includes front-end bearing pedestal（14）, water bloking piece（15）And front-end bearing pedestal cover board（29）, wherein Rotor assembly mainly includes shaft core（32）, mouse cage（33）And mouse cage pressure ring（35）；The front-end bearing pedestal Anchor plate kit mainly includes front-end bearing pedestal pressing plate（19）And front-end bearing pedestal pressing plate inner sleeve（25）, front axle Bearing plate（19）With front-end bearing pedestal pressing plate inner sleeve（25）Interference fit is assemblied together, both contact between there are a ring groove, Front-end bearing pedestal pressing plate inner sleeve（25）Side is there are the uniformly distributed aperture of a circle, and in spindle operation, air pressure is blown break flour by aperture Go out main shaft, encoder mainly includes encoder, adjusting nut（4）And measurement gear（41）；The tool-broaching mechanism mainly includes HSK handle of a knifes（21）, shaft core（32）, mobile expansion set（18）, broaching tool claw（17）, pulling claw bullet Spring mechanism（30）, pull rod（34）, pull-rod spring（38）, pull rod adjustment ring（11）, pull rod pressure ring（31）, pull-rod nut（43）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720487256.9U CN207239790U (en) | 2017-05-04 | 2017-05-04 | A kind of novel high speed ball bearing electro spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720487256.9U CN207239790U (en) | 2017-05-04 | 2017-05-04 | A kind of novel high speed ball bearing electro spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207239790U true CN207239790U (en) | 2018-04-17 |
Family
ID=61876513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720487256.9U Expired - Fee Related CN207239790U (en) | 2017-05-04 | 2017-05-04 | A kind of novel high speed ball bearing electro spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207239790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788195A (en) * | 2018-06-05 | 2018-11-13 | 深圳市爱贝科精密机械有限公司 | A kind of permanent magnet synchronization motor spindle structure |
| CN108927534A (en) * | 2018-07-16 | 2018-12-04 | 深圳市爱贝科精密机械有限公司 | A kind of permanent magnet synchronization motor spindle device |
-
2017
- 2017-05-04 CN CN201720487256.9U patent/CN207239790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788195A (en) * | 2018-06-05 | 2018-11-13 | 深圳市爱贝科精密机械有限公司 | A kind of permanent magnet synchronization motor spindle structure |
| CN108927534A (en) * | 2018-07-16 | 2018-12-04 | 深圳市爱贝科精密机械有限公司 | A kind of permanent magnet synchronization motor spindle device |
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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: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |