CN209050121U - A kind of high revolving speed electro spindle - Google Patents
A kind of high revolving speed electro spindle Download PDFInfo
- Publication number
- CN209050121U CN209050121U CN201821419339.5U CN201821419339U CN209050121U CN 209050121 U CN209050121 U CN 209050121U CN 201821419339 U CN201821419339 U CN 201821419339U CN 209050121 U CN209050121 U CN 209050121U
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- shaft
- tool changing
- locking nut
- casing
- metal
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Abstract
The utility model provides a kind of high revolving speed electro spindle, it include: casing and the shaft that casing internal is set, the upper and lower ends of shaft pass through upper bearing (metal) respectively and lower bearing is fixed, and the upper bearing (metal) mounting portion being made of the first transverse plate, the second transverse plate and top chock is set on the corresponding casing position of upper bearing (metal), preloading spring is provided between the second transverse plate and top chock to pre-tighten upper bearing (metal), is fixed below lower bearing by lower bearing locking nut.The utility model installs upper bearing (metal) due to using the upper bearing (metal) mounting portion with preloading spring, using the fixed lower bearing of lower bearing locking nut, so that shaft is still able to maintain stabilization during running at high speed, it solves existing electro spindle shaft installation to be not sufficiently stable, is easy to produce the technical issues of shaking causes shaft to be detached from.
Description
Technical field
The utility model relates to electro spindle field more particularly to a kind of high revolving speed electro spindles.
Background technique
Shaft inside existing electro spindle is mounted on the inside of casing by metal (upper, but existing metal (upper is solid
When being scheduled on the inside of casing, since the mounting structure that metal (upper is fixed on casing inner wall is simple, machine shaft is running at high speed
When, shaft is easy to produce vibration, and the vibration of shaft is with the shaking of dynamic bearing, so that shaft is easily detached from the inside of casing,
The service life of electro spindle and safety receive strong influence.
Therefore, the existing technology needs to be improved and developed.
Utility model content
In view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of high revolving speed electro spindles, it is intended to
It solves shaft inside existing electro spindle and is easily detached from casing under high-speed rotation, shaft installs the technical issues of being not sufficiently stable.
The technical solution of the utility model is as follows:
A kind of high revolving speed electro spindle, wherein include: casing and the shaft that casing internal is set, shaft lower end it is outer
It is provided with bulge loop on side, lower bearing is arranged in the shaft below bulge loop, the lower end of shaft is fixed on by the lower bearing
On casing, lower bearing locking nut is arranged in the shaft below lower bearing, lower bearing is locked by the bulge loop and lower bearing
Nut is fixed in shaft, and rotor is arranged in the shaft above bulge loop, and stator is provided on the corresponding casing of rotor, and shaft is logical
It crosses the rotor and stator is driven, rotor locking nut is arranged in the shaft above rotor, rotor passes through the rotor
Locking nut and bulge loop are fixed in shaft, and upper bearing (metal) is arranged in the shaft above rotor locking nut, and upper bearing (metal) is corresponding
Upper bearing (metal) mounting portion is provided on casing, the upper bearing (metal) mounting portion includes that spaced first transverse plate and second are lateral
Plate, first transverse plate and the second transverse plate are fastened in casing by interference fit, first transverse plate and the second cross
To top chock is provided between plate, connected between first transverse plate, the second transverse plate and top chock by screw
It connects, the upper bearing (metal) is mounted in the top chock, and is provided with preload bullet between second transverse plate and top chock
Spring.
The high revolving speed electro spindle, wherein the shaft is internally provided with tool changing pull rod, in the tool changing pull rod
The heart is provided with the first dedusting air flue, and the upper end of the casing is equipped with rear cover, covers after described and is provided with dedusting connector, described to change
Knife pull rod upwardly extends until the first dedusting air flue is abutted with the dedusting connector.
The high revolving speed electro spindle, wherein the top of the tool changing pull rod is provided with connector, the connector and institute
It states tool changing pull rod to be fixed by connector sleeve, the tool changing pull rod is abutted by the connector with the dedusting connector.
The high revolving speed electro spindle, wherein the top of the tool changing pull rod is arranged with platen, and the top of the casing is set
It is equipped with air rammer, the air rammer drives the tool changing pull rod to move down carry out tool changing for driving the platen to move down.
The high revolving speed electro spindle, wherein the position of the air rammer and chassis contact is provided with sealing ring.
The high revolving speed electro spindle, wherein retaining ring, retaining ring lower section are provided on the tool changing pull rod of the lower section of the platen
Tool changing pull rod on be arranged with reset spring, the reset spring below the retaining ring and retaining ring is set to the inside of shaft, multiple
It is provided with convex shoulder on the medial surface of shaft below the spring of position, the reset spring is abutted with the convex shoulder and is used for after tool changing
The reset of tool changing pull rod.
The high revolving speed electro spindle, wherein the top of the shaft is provided with for preventing the retaining ring out of shaft
The fixture nut that portion is detached from.
The high revolving speed electro spindle, wherein the lower bearing locking nut includes inner ring locking nut and outer ring locking
Nut, the inner ring of the inner ring locking nut have upwardly extended upper flange, and the outer ring locking nut is socketed in the inner ring lock
The outside of the upper flange of tight nut.
The high revolving speed electro spindle, wherein be arranged with waterproof spiral shell in the shaft of the lower section of the lower bearing locking nut
Mother is arranged with front cover on the lateral surface of the water-proof nut, and the lower end of the water-proof nut is outward extended with waterproof end cover.
The utility model has the advantages that a kind of high revolving speed electro spindle provided by the utility model, comprising: casing and setting are in casing internal
Shaft, the upper and lower ends of shaft pass through upper bearing (metal) respectively and lower bearing is fixed, and in the corresponding casing position of upper bearing (metal)
Set the upper bearing (metal) mounting portion that is made of the first transverse plate, the second transverse plate and top chock of setting, the second transverse plate with it is upper
It is provided with preloading spring between bearing block to pre-tighten upper bearing (metal), is consolidated below lower bearing by lower bearing locking nut
It is fixed.The utility model installs upper bearing (metal) due to using the upper bearing (metal) mounting portion with preloading spring, using lower bearing locking screw
The fixed lower bearing of mother solves existing electro spindle shaft so that shaft is still able to maintain stabilization during running at high speed
Installation is not sufficiently stable, and is easy to produce the technical issues of shaking causes shaft to be detached from.
Detailed description of the invention
Fig. 1 is a kind of configuration schematic diagram of high revolving speed electro spindle of the utility model.
Fig. 2 is a kind of the schematic diagram of the section structure of high revolving speed electro spindle of the utility model.
Specific embodiment
A kind of high revolving speed electro spindle provided by the utility model, to make the purpose of this utility model, technical solution and effect
It is clearer, clear, the utility model is further described below.It should be appreciated that specific embodiment described herein
It is only used to explain the utility model, is not used to limit the utility model.
Refering to fig. 1 and Fig. 2, a kind of high revolving speed electro spindle of the utility model, comprising: casing 10 and be arranged in casing
The shaft 20 in portion is provided with bulge loop 30 on the lateral surface of shaft lower end, lower bearing 40, shaft is arranged in the shaft below bulge loop
Lower end be fixed on casing by the lower bearing, the lateral surface of lower bearing and the inside face contact of casing, lower bearing and machine
It is interference fitted between shell；Be arranged with lower bearing locking nut 50 in shaft below lower bearing, lower bearing by the bulge loop and
Lower bearing locking nut is fixed in shaft, and rotor 60 is arranged in the shaft above bulge loop, is arranged on the corresponding casing of rotor
There is stator, shaft is driven by the rotor and stator, stator and rotor set Synthetic motor, the output of external drive mechanism
High frequency three-phase electricity supplies electricity to motor by built-in motor lead, and drive shaft runs at high speed；It is arranged in the shaft of the top of rotor
There is rotor locking nut 80, rotor is fixed in shaft by the rotor locking nut and bulge loop, in the high-speed rotation of shaft
In, rotor locking nut and bulge loop can prevent rotor from moving up and down in shaft；It is covered in shaft above rotor locking nut
Equipped with upper bearing (metal) 90, upper bearing (metal) mounting portion is provided on the corresponding casing of upper bearing (metal), the upper bearing (metal) mounting portion includes that interval is set
The first transverse plate 100 and the second transverse plate 110 set, first transverse plate and the second transverse plate are fastened on by interference fit
In casing, top chock 120, first transverse plate, the second cross are provided between first transverse plate and the second transverse plate
It is attached to screw 130 is passed through between plate and top chock, the upper bearing (metal) is mounted in the top chock, and described the
Preloading spring 140 is provided between two transverse plates and top chock.Preferably, being provided with ball sleeve between top chock and casing
150, facilitate the installation of top chock.
The mounting structure for rotating shaft of existing electro spindle, the metal (upper in shaft are directly entrenched on the inner wall of casing, are led to
Interference fit is engaged, and under the high-speed rotation of shaft, metal (upper easily loosens, and causes the disengaging of shaft, this reality
With the electro spindle of novel high rotary speed, the upper bearing (metal) in shaft passes through the upper bearing (metal) mounting portion being arranged on casing and is installed, should
Mounting portion includes the first transverse plate and the second transverse plate that interference is mounted on casing internal, in the first transverse plate and the second transverse plate
Between upper bearing (metal) mounting base is set, and the first transverse plate, the second transverse plate and upper bearing (metal) mounting base are fixed by screws in one
It rises, interference installation can make the first and second transverse plates more stable in casing internal, and upper bearing (metal) mounting base is mounted on the
It between one transverse plate and the second transverse plate, and is pre-tightened by preloading spring, upper bearing (metal) is pre-tightened, can effectively be disappeared
Except the installation gap of upper bearing (metal), the rigidity of upper bearing (metal) is improved, and in bearing operation, improves the running accuracy of shaft, lower axle
It holds and is fixed by bulge loop and lower bearing locking nut, firmly lower bearing can be fixed in shaft and engage lower bearing
In the inner wall of casing；In addition, in order to realize better shaft rotating effect, the service life of bearing is improved, in the utility model
Upper bearing (metal) and lower bearing be provided with 2, separated by spacer between adjacent upper bearing (metal) and adjacent lower bearing.
In preferred embodiment, the shaft is internally provided with tool changing pull rod 160, and the tool changing pull rod is provided centrally with
One dedusting air flue 170, the upper end of the casing are equipped with rear cover 180, cover after described and are provided with dedusting connector 190, described to change
Knife pull rod upwardly extends until the first dedusting air flue is abutted with the dedusting connector.Electro spindle is during processing, electric
The front end of main shaft is easy to produce the clast of object to be processed, which is easily inhaled the inside of electro spindle, causes electro spindle
Damage, the tool changing pull rod of the utility model is internally provided with dedusting air flue, the dedusting air flue by external air feed equipment into
Row gas supply, in process blows off to the clast of generation.Preferably, which can be discharged logical centered on
Road, the dedusting connector are water supply connector, and existing shaft high speed rotation brings a large amount of heat, depends merely on the cooling duct of outer end
It is difficult to take away the heat of shaft, shaft temperature increases, and shaft end can be made elongated, so that the machining accuracy of electro spindle receives very greatly
Influence, central water outlet channel is set, can effectively be taken away the heat of shaft, and can be also used for cutter head and to be added
The cleaning and cooling on work surface.
In preferred embodiment, the top of the tool changing pull rod is provided with connector 200, the connector and the tool changing pull rod
It is fixed by connector sleeve 210, the tool changing pull rod is abutted by the connector with the dedusting connector.Shaft directly connects
The damage that dedusting connector is easy to cause shaft is connect, needs frequently to replace shaft, in order to improve the service life of shaft, in shaft and remove
One section of replaceable connector is connected between dirt connector, which has the top and stair-stepping bottom of umbrella, leads to
The top that connector sleeve is connected to shaft is crossed, by the contact for increasing the first dedusting air flue and dedusting connector at the top of the umbrella of connector
Area increases the flow of gas in air flue.
In preferred embodiment, the top of the tool changing pull rod is arranged with platen 220, and the top of the casing is provided with pneumatic work
Plug 230, the air rammer drive the tool changing pull rod to move down carry out tool changing for driving the platen to move down.The utility model
In tool changing pull rod can move up and down, driven by air rammer and platen, the ear of air rammer is entrenched in casing
Groove portion in and can float up and down, the upper and lower ends of casing groove portion are connected separately with the first air flue and the second air flue, pass through first
Air flue and the second air flue control the floating of air rammer respectively and move down.
In preferred embodiment, it is contemplated that the air-tightness requirement that air rammer floats up and down connects in the air rammer with casing
The position of touching is provided with sealing ring 240.
In preferred embodiment, retaining ring 250, the tool changing pull rod below retaining ring are provided on the tool changing pull rod of the lower section of the platen
On be arranged with reset spring 260, the reset spring below the retaining ring and retaining ring is set to the inside of shaft, the outside of retaining ring
Face is bonded with the medial surface of shaft, is provided with convex shoulder 270 on the medial surface of the shaft below reset spring, the reset spring with
The shoulder contact and the reset for being used for tool changing pull rod after tool changing.Moving down for tool changing pull rod is carried out by air rammer mechanism
Control needs to be resetted by the reset spring on tool changing pull rod after the tool changing of tool changing pull rod, and retaining ring and reset spring are whole
The inside of shaft is set, it is preferred that the top of the shaft is provided with for preventing the retaining ring to be detached from inside shaft
Fixture nut.The distance that tool changing pull rod slides up and down is the distance between fixture nut and convex shoulder, and the lower section of tool changing pull rod is arranged
There is cutter pulling claw 280, which can open and close up around center as the folding of umbrella, and the tip inside of pulling claw is provided with card
Close protrusion 290, pulling claw close up after by the snap fit tabs by cutter clasp joint on tool changing pull rod.
In preferred embodiment, the lower bearing locking nut includes inner ring locking nut 300 and outer ring locking nut 310, institute
The inner ring for stating inner ring locking nut has upwardly extended upper flange 320, and the outer ring locking nut is socketed in the inner ring locking screw
The outside of female upper flange.For double nuts structure, outer ring locking nut is arranged the lower bearing locking nut that the utility model uses
On the upper flange of inner ring locking nut, gap setting between inner ring locking nut and outer ring locking nut, inner ring locking nut
It for the inner ring of fixing bearing, and can be rotated together with shaft, outer ring locking nut is used for the outer ring of fixing bearing, and is spirally connected
In the inner wall of casing, in the operating of shaft high speed, lower bearing can be firmly fixed in shaft and casing, prevent bearing
Disengaging and shaking.
In preferred embodiment, waterproof spiral shell 330, water-proof nut spiral shell are arranged in the shaft of the lower section of the lower bearing locking nut
It connects in shaft, can be rotated together with shaft, front cover 340, front cover and waterproof are arranged on the lateral surface of the water-proof nut
Nut gap setting, front cover are connect with casing, and the lower end of the water-proof nut is outward extended with waterproof end cover 350.The inner ring
The outer ring of locking nut has extended downwardly lower flange, and the first groove, institute are provided between the lower flange and the water-proof nut
It states and is provided with the second groove between waterproof end cover and the water-proof nut, inner ring is provided on the inner ring of the front cover, it is described interior
The both ends of ring are fastened on respectively in first groove and the second groove.The front end mounting structure of above-mentioned electro spindle, before front end
The inner track of meander is capable of forming between lid, water-proof nut and lower bearing locking nut, so that external moisture or ash
Dirt can not enter the inside of main shaft by the path.
In preferred embodiment, the front cover is internally provided with the second dedusting air flue 360, the front cover, inner ring locking nut
And gap setting between waterproof end cover, the second dedusting air flue are connect with the gap.Second dedusting air flue air inlet, gas
Along the interstitial diffusion, until the gap discharge between waterproof end cover and front cover, and dissipated to the surrounding of waterproof end cover, it will be empty
Dust granule and moisture in gas blow off.
In conclusion a kind of high revolving speed electro spindle provided by the utility model, comprising: casing and setting are in casing internal
Shaft, the upper and lower ends of shaft pass through upper bearing (metal) respectively and lower bearing is fixed, and in the corresponding casing position of upper bearing (metal)
Set the upper bearing (metal) mounting portion that is made of the first transverse plate, the second transverse plate and top chock of setting, the second transverse plate with it is upper
It is provided with preloading spring between bearing block to pre-tighten upper bearing (metal), is consolidated below lower bearing by lower bearing locking nut
It is fixed.The utility model installs upper bearing (metal) due to using the upper bearing (metal) mounting portion with preloading spring, using lower bearing locking screw
The fixed lower bearing of mother solves existing electro spindle shaft so that shaft is still able to maintain stabilization during running at high speed
Installation is not sufficiently stable, and is easy to produce the technical issues of shaking causes shaft to be detached from.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (9)
1. a kind of high revolving speed electro spindle characterized by comprising casing and the shaft that casing internal is arranged in, shaft lower end
Lateral surface on be provided with bulge loop, be arranged with lower bearing in the shaft below bulge loop, the lower end of shaft is solid by the lower bearing
It is scheduled on casing, lower bearing locking nut is arranged in the shaft below lower bearing, lower bearing passes through the bulge loop and lower bearing
Locking nut is fixed in shaft；It is arranged with rotor in shaft above bulge loop, is provided with stator on the corresponding casing of rotor, turns
Axis is driven by the rotor and stator, and rotor locking nut is arranged in the shaft above rotor, and rotor passes through described
Rotor locking nut and bulge loop are fixed in shaft, and upper bearing (metal), upper bearing (metal) pair are arranged in the shaft above rotor locking nut
Upper bearing (metal) mounting portion is provided on the casing answered, the upper bearing (metal) mounting portion includes that spaced first transverse plate and second are horizontal
To plate, first transverse plate and the second transverse plate are fastened in casing by interference fit, first transverse plate and second
It is provided with top chock between transverse plate, is carried out between first transverse plate, the second transverse plate and top chock by screw
Connection, the upper bearing (metal) is mounted in the top chock, and is provided with preload between second transverse plate and top chock
Spring.
2. high revolving speed electro spindle according to claim 1, which is characterized in that the shaft is internally provided with tool changing drawing
Bar, the tool changing pull rod are provided centrally with the first dedusting air flue, and the upper end of the casing is equipped with rear cover, covers and set after described
It is equipped with dedusting connector, the tool changing pull rod upwardly extends until the first dedusting air flue is abutted with the dedusting connector.
3. high revolving speed electro spindle according to claim 2, which is characterized in that the top of the tool changing pull rod is provided with connection
Head, the connector are fixed with the tool changing pull rod by connector sleeve, and the tool changing pull rod passes through the connector and institute
State dedusting connector abutting.
4. high revolving speed electro spindle according to claim 2, which is characterized in that the top of the tool changing pull rod is arranged with pressure
Disk, the top of the casing are provided with air rammer, and the air rammer drives the tool changing for driving the platen to move down
Pull rod moves down carry out tool changing.
5. high revolving speed electro spindle according to claim 4, which is characterized in that the position of the air rammer and chassis contact
It is provided with sealing ring.
6. high revolving speed electro spindle according to claim 4, which is characterized in that be arranged on the tool changing pull rod below the platen
There is retaining ring, reset spring is arranged on the tool changing pull rod below retaining ring, the reset spring setting below the retaining ring and retaining ring
In the inside of shaft, convex shoulder is provided on the medial surface of the shaft below reset spring, the reset spring connects with the convex shoulder
Touch and be used for the reset of tool changing pull rod after tool changing.
7. high revolving speed electro spindle according to claim 6, which is characterized in that the top of the shaft is provided with for preventing
The fixture nut that the retaining ring is detached from inside shaft.
8. high revolving speed electro spindle according to claim 1, which is characterized in that the lower bearing locking nut includes inner ring lock
Tight nut and outer ring locking nut, the inner ring of the inner ring locking nut have upwardly extended upper flange, the outer ring locking nut
It is socketed in the outside of the upper flange of the inner ring locking nut.
9. high revolving speed electro spindle according to claim 8, which is characterized in that the lower section of the lower bearing locking nut turns
It is arranged with water-proof nut on axis, is arranged with front cover on the lateral surface of the water-proof nut, the lower end of the water-proof nut is to extension
Stretching has waterproof end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821419339.5U CN209050121U (en) | 2018-08-31 | 2018-08-31 | A kind of high revolving speed electro spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821419339.5U CN209050121U (en) | 2018-08-31 | 2018-08-31 | A kind of high revolving speed electro spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209050121U true CN209050121U (en) | 2019-07-02 |
Family
ID=67048084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821419339.5U Active CN209050121U (en) | 2018-08-31 | 2018-08-31 | A kind of high revolving speed electro spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209050121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927535A (en) * | 2018-08-31 | 2018-12-04 | 佛山善能机电科技有限公司 | A kind of high revolving speed electro spindle |
-
2018
- 2018-08-31 CN CN201821419339.5U patent/CN209050121U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927535A (en) * | 2018-08-31 | 2018-12-04 | 佛山善能机电科技有限公司 | A kind of high revolving speed electro spindle |
| CN108927535B (en) * | 2018-08-31 | 2024-05-17 | 佛山善能机电科技有限公司 | High-rotation-speed motorized spindle |
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