CN208977280U - A kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform - Google Patents
A kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform Download PDFInfo
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- CN208977280U CN208977280U CN201821526968.8U CN201821526968U CN208977280U CN 208977280 U CN208977280 U CN 208977280U CN 201821526968 U CN201821526968 U CN 201821526968U CN 208977280 U CN208977280 U CN 208977280U
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Abstract
The utility model discloses a kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools and directly turns platform, comprising: cabinet, rare-earth permanent-magnet electric machine stator, rare-earth permanent magnet motor rotor, rotary power axis and dust preventing component；The rare-earth permanent-magnet electric machine stator is fixedly installed in the inner wall of the cabinet；The rare-earth permanent magnet motor rotor rotation is built in the cabinet；The rotary power axis is coaxially fixed on one end of the rare-earth permanent magnet motor rotor；The low-speed big rare earth permanent magnet for being used for five-axis linkage machine tools directly turns platform and directly directly drives the rotary power axis rotation by its internal rare-earth permanent-magnet electric machine stator being arranged and rare-earth permanent magnet motor rotor, instead of turbine and worm in the prior art and belt driving rotary power axis rotation, the reduction of machining accuracy caused by the abrasion because of worm and gear or belt is avoided the occurrence of.
Description
Technical field
The utility model relates to 5-shaft linkage numerical control machine tool technology fields, and in particular to a kind of for five-axis linkage machine tools
Low-speed big rare earth permanent magnet directly turns platform.
Background technique
Since there are three rectilinear coordinates and two rotational coordinates for 5-shaft linkage numerical control lathe tool, add suitable for complex-curved
Work.The structure of existing five-axis robot machine tool chief axis rotary power turntable: including cabinet and be installed on the intracorporal main shaft of spindle box and
Spring bearing, the rotation of main shaft are to add worm and gear by servo motor or rotated by belt wheel drive.This main shaft rotation
For the structure of power turntable because there is the presence of worm and gear or belt, shape is big and installation space is big, leads to equipment overall dimensions
Greatly, it is unfavorable for installing.Also, the transmitting torque of the existing main shaft rotary power turntable kind of drive is low, does not have urgency acceleration and urgency
The performance of deceleration, being used for a long time can be because the abrasion of worm and gear or belt reduces machining accuracy.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, and it is big to provide a kind of low speed for five-axis linkage machine tools
Torque rare earth permanent magnet directly turns platform, solves power turntable in the prior art and contains turbine and worm and belt composition, snail easily occurs
The abrasion of worm and gear or belt reduces the technical issues of machining accuracy.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of low speed for five-axis linkage machine tools
Large torque rare earth permanent magnet directly turns platform, comprising: cabinet, rare-earth permanent-magnet electric machine stator, rare-earth permanent magnet motor rotor, rotary power axis
And dust preventing component；The rare-earth permanent-magnet electric machine stator is fixedly installed in the inner wall of the cabinet；The rare-earth permanent magnet motor rotor
Rotation is built in the cabinet；The rotary power axis is coaxially fixed on one end of the rare-earth permanent magnet motor rotor, the rotation
One end on rotatory force axis far from the rare-earth permanent magnet motor rotor is provided with the first outer peripheral surface, and the rotary power axis is close to institute
The one end for stating rare-earth permanent magnet motor rotor is provided with the second outer peripheral surface, second outer peripheral surface and the coaxial cloth of the first outer peripheral surface
It sets, the diameter of second outer peripheral surface is greater than the diameter of first outer peripheral surface, second outer peripheral surface and first periphery
The first cascaded surface is provided between face；The dust preventing component includes dust ring and mounting ring, and the mounting ring coaxial sleeve is set to institute
Rotary power axis is stated, the mounting ring is fixedly connected with the cabinet close to one end of the cabinet, is arranged in the mounting ring
There is the first air slot for being connected to its inner and outer circumferential surfaces；The dust ring is set between the mounting ring and the rotary power axis,
And the dust ring is fixedly connected with the mounting ring, be provided on the dust ring the first inner peripheral surface and with first inner circumferential
The second coaxially arranged inner peripheral surface of face, the diameter of second inner peripheral surface are greater than the diameter of first inner peripheral surface, and described second
The second cascaded surface is provided between inner peripheral surface and first inner peripheral surface, the first inner peripheral surface coaxial sleeve is set to outside described first
Circumferential surface, and with its clearance fit；The second inner peripheral surface coaxial sleeve be set to second outer peripheral surface, and with its clearance fit；Institute
State the relatively described first cascaded surface arrangement of the second cascaded surface；The second air slot, second air guide are provided on the dust ring
One end of slot is connected to first air slot, and the other end of second air slot is connected to first inner peripheral surface.
Compared with prior art, the beneficial effects of the utility model include: the big torsion of low speed for being used for five-axis linkage machine tools
Square rare earth permanent magnet directly turns platform and is directly directly driven by its internal rare-earth permanent-magnet electric machine stator being arranged and rare-earth permanent magnet motor rotor
The rotary power axis rotation is moved, instead of turbine and worm in the prior art and belt driving rotary power axis rotation, is avoided out
Now because of the reduction of machining accuracy caused by the abrasion of worm and gear or belt；First air slot and external gas pipeline connect
Logical, conveying high-pressure gas in the first air slot of Xiang Suoshu, high pressure gas, which can enter described second by first air slot, leads
Air drain, and sprayed by second air slot between first inner peripheral surface and first outer peripheral surface, first ladder
Face and second cascaded surface meeting stop portions high pressure gas produce the inside for entering the electric machine casing, so that most of high pressure gas
Region of the body between first inner peripheral surface and first outer peripheral surface to far from the rare-earth permanent magnet motor rotor one end
It sprays, effectively prevents the inside that external dust enters the electric machine casing.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model.
Fig. 2 is the partial enlargement diagram in Fig. 1 at A.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1~2 are please referred to, the present embodiment provides a kind of low-speed big rare earth permanent magnets for five-axis linkage machine tools directly to drive
Turntable, comprising: cabinet 1, rare-earth permanent magnet motor rotor 3, rotary power axis 4, dust preventing component 5, turns rare-earth permanent-magnet electric machine stator 2
Platform bearing 6 and encoder 7.
The rare-earth permanent-magnet electric machine stator 2 is fixedly installed in the inner wall of the cabinet 1；The rare-earth permanent magnet motor rotor 3
Rotation is built in the cabinet 1.
The rotary power axis 4 is coaxially fixed on one end of the rare-earth permanent magnet motor rotor 3, the rotary power axis 4
Upper one end far from the rare-earth permanent magnet motor rotor 3 is provided with the first outer peripheral surface 4a, and the rotary power axis 4 is close to described dilute
One end of native permanent magnet machine rotor 3 is provided with the second outer peripheral surface 4b, the second outer peripheral surface 4b and the first outer peripheral surface 4a is same
Axis arrangement, the diameter of the second outer peripheral surface 4b are greater than the diameter of the first outer peripheral surface 4a, the second outer peripheral surface 4b and institute
It states and is provided with the first cascaded surface 4c, the first cascaded surface 4c between the first outer peripheral surface 4a perpendicular to the first outer peripheral surface 4a cloth
It sets；The low-speed big rare earth permanent magnet for being used for five-axis linkage machine tools directly turns platform directly by its internal rare earth permanent magnet electricity being arranged
Machine stator 2 and rare-earth permanent magnet motor rotor 3 directly drive the rotary power axis 4 and rotate, instead of turbine snail in the prior art
Bar and belt driving rotary power axis rotation, avoid the occurrence of the drop of machining accuracy caused by the abrasion because of worm and gear or belt
It is low.
The dust preventing component 5 includes dust ring 51 and mounting ring 52, and 52 coaxial sleeve of mounting ring is set to the power defeated 4
Shaft, the mounting ring 52 are fixedly connected with the cabinet 1 close to one end of the cabinet 1, are provided in the mounting ring 52
It is connected to the first air slot 52a of its inner and outer circumferential surfaces；The dust ring 51 is set to the mounting ring 52 and the rotary power axis 4
Between, and the dust ring 51 is fixedly connected with the mounting ring 52, be provided on the dust ring 51 first inner peripheral surface 51a and
The diameter of second the inner peripheral surface 51b, the second inner peripheral surface 51b coaxially arranged with the first inner peripheral surface 51a is greater than described the
The diameter of one inner peripheral surface 51a is provided with the second cascaded surface between the second inner peripheral surface 51b and the first inner peripheral surface 51a
51c, the first inner peripheral surface 51a coaxial sleeve be set to the first outer peripheral surface 4a, and with its clearance fit；Second inner peripheral surface
51b coaxial sleeve be set to the second outer peripheral surface 4b, and with its clearance fit；Relatively described first rank of second cascaded surface 51c
Tread 4c arrangement；It is provided with the second air slot 51d on the dust ring 51, one end of the second air slot 51d and described the
One air slot 52a connection, the other end of the second air slot 51d are connected to the first inner peripheral surface 51a；First air guide
Slot 52a is connected to external gas pipeline, and conveying high-pressure gas in the first air slot of Xiang Suoshu 52a, high pressure gas can be by described
First air slot 52a enters the second air slot 51d, and is sprayed by the second air slot 51d to first inner peripheral surface
Between 51a and the first outer peripheral surface 4a, the first cascaded surface 4c and the second cascaded surface 51c can stop portions high pressure gas
Body produces the inside for entering the electric machine casing 1, so that most of high pressure gas is outside the first inner peripheral surface 4c and described first
Region between circumferential surface 4a is sprayed to one end far from the rare-earth permanent magnet motor rotor 3, effectively prevents external dust entrance
The inside of the electric machine casing 1.
Specifically, the second air slot 51d includes a second straight line type through slot 51d1 and one second annular groove 51d2, institute
It states the second annular groove 51d2 and is recessed by the annular region on the first inner peripheral surface 51a and formed；The second straight line type through slot
One end of 51d1 is connected to the slot bottom of the second annular groove 51d2, the other end of the second straight line type through slot 51d1 with it is described
First air slot 52a connection；It is formed when the second annular groove 51d2 is for guiding jet-impingement to the first outer peripheral surface 4a
One complete annular airflow, further increases dust-proof effect；The second cascaded surface 51c is perpendicular to the first inner peripheral surface 51a
Or the second inner peripheral surface 51b；Close to the one side wall of the rare-earth permanent magnet motor rotor 3 and institute on the second annular groove 51d2
The second cascaded surface 51c parallel arrangement is stated, for stopping high pressure draught；Far from the rare earth permanent magnet on the second annular groove 51d2
The one side wall of rotor 3 favours the second cascaded surface 51c arrangement, and the second annular groove 51d2 two opposite side walls it
Between spacing gradually increase from one end close to the second straight line type through slot 51d1 to close to one end of the first outer peripheral surface 4a
Greatly, for guiding spraying to one end far from the rare-earth permanent magnet motor rotor 3 for air-flow, dust-proof effect is further increased.
Preferably, the first air slot 52a includes a first annular slot 52a2 of first straight line type through slot 52a1 and one, institute
It states first annular slot 52a2 and is recessed by the annular region on the inner peripheral surface of the mounting ring 52 and formed；The first straight line type is logical
One end of slot 52a1 is connected to the slot bottom of the first annular slot 52a2, the other end of the first straight line type through slot 52a1 and institute
State mounting ring 52 outer peripheral surface connection, and the first straight line type through slot 52a1 be connected to the outer peripheral surface of the mounting ring 52 one
End is provided with internal screw thread 52b, convenient for connecting with external gas pipeline；The second straight line type through slot 51d1 is far from second ring
One end of shape slot 51d2 is connected to the first annular slot 52a2；The dust ring 51 occurs with 52 assembling process of mounting ring
When relative rotation, the second straight line type through slot 51d1 can be connected to the first annular slot 52a2, without making described second
Straight shaped groove 51d1 is aligned with the first straight line type through slot 52a1, is reduced assembly difficulty, is improved assembly efficiency.
6 coaxial sleeve of turntable bearing is set to the rare-earth permanent magnet motor rotor 3 close to the one of the rotary power axis 4
End, the inner ring of the turntable bearing 6 are fixedly connected with the rotary power axis 4, the outer ring of the turntable bearing 6 and the cabinet
1 inner peripheral surface is fixedly connected, and improves the stability that the rotary power axis 4 rotates.
The encoder 7 is set to the one end of the rare-earth permanent magnet motor rotor 3 far from the rotary power axis 4, described
Encoder 7 includes encoder stator and encoder rotor, and the encoder rotor is coaxial solid with the rare-earth permanent magnet motor rotor 3
Fixed connection, the encoder stator are fixedly connected with the electric machine casing 1；It is accurately controlled by the encoder 7 described dilute
The rotational angle of native permanent magnet machine rotor 3, guarantees the processing quality of product.
Working principle: the low-speed big rare earth permanent magnet for being used for five-axis linkage machine tools directly turns platform directly by setting inside it
The rare-earth permanent-magnet electric machine stator 2 and rare-earth permanent magnet motor rotor 3 set directly drive the rotary power axis 3 and rotate, instead of existing
There are turbine and worm and belt driving rotary power axis rotation in technology, avoids the occurrence of the abrasion because of worm and gear or belt due to cause
Machining accuracy reduction；The first air slot 52a is connected to external gas pipeline, defeated in the first air slot of Xiang Suoshu 52a
High pressure gas is sent, high pressure gas can enter the second air slot 51d by the first air slot 52a, and by described second
Air slot 51d is sprayed between the first inner peripheral surface 51a and the first outer peripheral surface 4a, the first cascaded surface 4c and described
Second cascaded surface 51c can stop portions high pressure gas produce the inside for entering the electric machine casing 1 so that most of high pressure gas from
Region between the first inner peripheral surface 51a and the first outer peripheral surface 4a is to one far from the rare-earth permanent magnet motor rotor 3
End sprays, and effectively prevents the inside that external dust enters the electric machine casing 1.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
Any other various changes and modifications that any technical concept according to the present utility model is made should be included in practical
In novel scope of protection of the claims.
Claims (6)
1. a kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform, comprising: cabinet, rare-earth permanent-magnet electric machine
Stator, rare-earth permanent magnet motor rotor, rotary power axis and dust preventing component；The rare-earth permanent-magnet electric machine stator is fixedly installed in described
The inner wall of cabinet；The rare-earth permanent magnet motor rotor rotation is built in the cabinet；The rotary power axis is coaxially fixed on institute
One end of rare-earth permanent magnet motor rotor is stated, one end far from the rare-earth permanent magnet motor rotor is provided on the rotary power axis
First outer peripheral surface, the rotary power axis is provided with the second outer peripheral surface close to one end of the rare-earth permanent magnet motor rotor, described
Second outer peripheral surface and first outer peripheral surface are coaxially arranged, and the diameter of second outer peripheral surface is greater than the straight of first outer peripheral surface
Diameter is provided with the first cascaded surface between second outer peripheral surface and first outer peripheral surface；The dust preventing component includes dust ring
And mounting ring, the mounting ring coaxial sleeve are set to the rotary power axis, the one end and institute of the mounting ring close to the cabinet
It states cabinet to be fixedly connected, the first air slot for being connected to its inner and outer circumferential surfaces is provided in the mounting ring；The dust ring is set to
Between the mounting ring and the rotary power axis, and the dust ring is fixedly connected with the mounting ring, on the dust ring
It is provided with the first inner peripheral surface and second inner peripheral surface coaxially arranged with first inner peripheral surface, the diameter of second inner peripheral surface is big
The second cascaded surface, institute are provided between the diameter of first inner peripheral surface, second inner peripheral surface and first inner peripheral surface
The first inner peripheral surface coaxial sleeve is stated set on first outer peripheral surface, and with its clearance fit；The second inner peripheral surface coaxial sleeve is set to
Second outer peripheral surface, and with its clearance fit；The relatively described first cascaded surface arrangement of second cascaded surface；The dust ring
On be provided with the second air slot, one end of second air slot is connected to first air slot, second air slot
The other end is connected to first inner peripheral surface.
2. the low-speed big rare earth permanent magnet according to claim 1 for five-axis linkage machine tools directly turns platform, feature
It is, second air slot includes a second straight line type through slot and one second annular groove, and second annular groove is by described the
An annular region on one inner peripheral surface is recessed to be formed；The slot bottom of one end of the second straight line type through slot and second annular groove
Connection, the other end of the second straight line type through slot are connected to first air slot.
3. the low-speed big rare earth permanent magnet according to claim 2 for five-axis linkage machine tools directly turns platform, feature
It is, second cascaded surface is perpendicular to first inner peripheral surface or second inner peripheral surface；It is close on second annular groove
The one side wall of the rare-earth permanent magnet motor rotor and second cascaded surface are arranged in parallel, far from described on second annular groove
The one side wall of rare-earth permanent magnet motor rotor favours second cascaded surface arrangement, and the second annular groove two opposite side walls it
Between spacing be gradually increased from one end close to the second straight line type through slot to close to one end of first outer peripheral surface.
4. the low-speed big rare earth permanent magnet according to claim 3 for five-axis linkage machine tools directly turns platform, feature
It is, first air slot includes a first straight line type through slot and a first annular slot, and the first annular slot is by the peace
The annular region filled on the inner peripheral surface of ring is recessed to be formed；One end of the first straight line type through slot and the first annular slot
Slot bottom connection, the other end of the first straight line type through slot is connected to the outer peripheral surface of the mounting ring, and the first straight line type
One end that through slot is connected to the outer peripheral surface of the mounting ring is provided with internal screw thread；The second straight line type through slot is far from described second
One end of annular groove is connected to the first annular slot.
5. the low-speed big rare earth permanent magnet according to claim 1 for five-axis linkage machine tools directly turns platform, feature
It is, it further includes a turntable bearing that the low-speed big rare earth permanent magnet for five-axis linkage machine tools, which directly turns platform, described
Turntable coaxial bearing is sheathed on the rare-earth permanent magnet motor rotor close to one end of the rotary power axis, the turntable bearing
Inner ring is fixedly connected with the rotary power axis, and the outer ring of the turntable bearing is fixedly connected with the inner peripheral surface of the cabinet.
6. the low-speed big rare earth permanent magnet according to claim 1 for five-axis linkage machine tools directly turns platform, feature
It is, it further includes encoder that the low-speed big rare earth permanent magnet for five-axis linkage machine tools, which directly turns platform, the coding
Device is set to the one end of the rare-earth permanent magnet motor rotor far from the rotary power axis, and the encoder includes encoder stator
And encoder rotor, the encoder rotor are fixedly and coaxially connected with the rare-earth permanent magnet motor rotor, the encoder stator
It is fixedly connected with the electric machine casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526968.8U CN208977280U (en) | 2018-09-17 | 2018-09-17 | A kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526968.8U CN208977280U (en) | 2018-09-17 | 2018-09-17 | A kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform |
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| Publication Number | Publication Date |
|---|---|
| CN208977280U true CN208977280U (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821526968.8U Active CN208977280U (en) | 2018-09-17 | 2018-09-17 | A kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972022A (en) * | 2018-09-17 | 2018-12-11 | 武汉贝格泰克数控直驱机械有限公司 | A kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform |
-
2018
- 2018-09-17 CN CN201821526968.8U patent/CN208977280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972022A (en) * | 2018-09-17 | 2018-12-11 | 武汉贝格泰克数控直驱机械有限公司 | A kind of low-speed big rare earth permanent magnet for five-axis linkage machine tools directly turns platform |
| CN108972022B (en) * | 2018-09-17 | 2024-05-24 | 武汉贝格泰克数控直驱机械有限公司 | Low-speed high-torque rare earth permanent magnet direct-drive rotary table for five-axis linkage machine tool |
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