CN209184392U - Electro spindle and motor - Google Patents
Electro spindle and motor Download PDFInfo
- Publication number
- CN209184392U CN209184392U CN201822143972.2U CN201822143972U CN209184392U CN 209184392 U CN209184392 U CN 209184392U CN 201822143972 U CN201822143972 U CN 201822143972U CN 209184392 U CN209184392 U CN 209184392U
- Authority
- CN
- China
- Prior art keywords
- bearing
- central spindle
- spindle
- fastener
- electro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 210000003734 kidney Anatomy 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 17
- 239000002826 coolant Substances 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000020347 spindle assembly Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
- Turning (AREA)
Abstract
The utility model provides a kind of electro spindle and motor.The electro spindle includes shaft central spindle (1) and bearing central spindle (15), shaft central spindle (1) is hollow, bearing central spindle (15) is set in shaft central spindle (1) by bearing, the bearing outer ring of bearing is fixedly connected with shaft central spindle (1), and the bearing inner race of bearing is fixedly connected with bearing central spindle (15).Electro spindle according to the present utility model promotes the limit speed of electro spindle when can effectively solve the problem that electro spindle high revolving speed the problem of bearing heating serious wear.
Description
Technical field
The utility model belongs to technical field of motors, and in particular to a kind of electro spindle and motor.
Background technique
There are two big key technologies for electro spindle industry --- and bearing and motor, current high performance electric spindle motor can provide
Higher limit speed and power, however the revolving speed that uses on lathe of practice and power is not high, limits its high revolving speed
And high-power key components and parts are bearings, the especially electro spindle that holds of grease lubrication profile shaft, revolving speed limitation is fairly obvious.With
The raising of motor speed, centrifugal force and the gyroscopic couple of bearing ball increase rapidly, and the fever phenomenon of bearing is fairly obvious, and rolls
There are positively related relationships with bearing central diameter for the centrifugal force of pearl, gyroscopic couple.
The bearing of electro spindle the performance of electro spindle is served it is key, performance indicator DmN value it is bigger (Dm be bearing in
Diameter, N are main shaft limit speed), the performance for representing electro spindle is higher, and in identical DmN value, bearing central diameter is smaller, institute
Attainable limit speed is higher.However the bearing setting form of main shaft is that bearing inner race is fixed in shaft with shaft at present
Rotation, outer ring are fixed on shell coolant jacket, are influenced by shaft major diameter, and bearing central diameter value is also larger, this is greatly limited
The raising of main shaft limit speed.
Utility model content
Therefore, it the technical problem to be solved by the present invention is to provide a kind of electro spindle and motor, can effectively solve the problem that
When electro spindle high revolving speed the problem of bearing heating serious wear, the limit speed of electro spindle is promoted.
To solve the above-mentioned problems, the utility model provides a kind of electro spindle, including shaft central spindle and bearing central spindle, shaft
Central spindle is hollow, and bearing central spindle is set in shaft central spindle by bearing, and the bearing outer ring of bearing is fixedly connected with shaft central spindle, axis
The bearing inner race held is fixedly connected with bearing central spindle.
Preferably, bearing includes the preceding end bearing that bearing central spindle front end is arranged in and the rear end that bearing central spindle rear end is arranged in
Bearing.
Preferably, preceding end bearing is two, and is arranged side by side；And/or rear end bearing is two, and is arranged side by side.
Preferably, the both ends of preceding end bearing are respectively arranged with the first fastener and the second fastener, and the first fastener is fixed
It is arranged in shaft central spindle, and axial stop is formed to the bearing outer ring of preceding end bearing, the second fastener is fixed at bearing
In central spindle, and axial stop is formed to the bearing inner race of preceding end bearing.
Preferably, the second fastener is arranged in front end bearing and is additionally provided on one end of rear end bearing, bearing central spindle
Stop lug, stop lug backstop is in the one end of preceding end bearing far from rear end bearing.
Preferably, annular protrusion, the bearing outer ring of preceding end bearing and rear end bearing are provided on the internal perisporium of shaft central spindle
Equal backstop is on annular protrusion.
Preferably, bearing central spindle is multi-diameter shaft, including the first shaft part and the second shaft part, front end bearing are set in first axle section
On, rear end bearing is set on the second shaft part, and the diameter of the first shaft part and the second shaft part differs.
Preferably, at least one the first fastener and the second fastener are fastening nut.
Preferably, the both ends of rear end bearing are respectively arranged with third fastener and the 4th fastener, third fastener and
Four fasteners are arranged in bearing central spindle, and form axial limiting to the bearing inner race of rear end bearing.
Preferably, at least one third fastener and the 4th fastener are fastening nut.
Preferably, the rear end of bearing central spindle is fixedly connected with central spindle end cap.
Preferably, the rear end of bearing central spindle by the circumferentially evenly arranged bolt of multiple central axis around bearing central spindle with
Central spindle end cap is fixedly connected.
Preferably, lightening hole is provided on central spindle end cap.
Preferably, central spindle end cap includes end plate, and multiple lightening holes are uniformly distributed circumferentially on end plate.
Preferably, the gross area of lightening hole accounts for the 30%~50% of the gross area of end plate.
Preferably, it is arranged with rear end flange end cap outside shaft central spindle, central spindle end cap is fixedly connected in the flange end cap of rear end.
Preferably, central spindle end cap is set in outside the flange end cap of rear end, and radially connected hole is provided on the peripheral wall of central spindle end cap,
Central spindle end cap passes through the bolt being arranged in radially connected hole and is fixedly connected with rear end flange end cap.
Preferably, radially connected hole is kidney slot, and kidney slot is axially extending along central spindle end cap.
Another aspect according to the present utility model provides a kind of motor, including electro spindle, which is above-mentioned electricity
Main shaft.
Electro spindle provided by the utility model, including shaft central spindle and bearing central spindle, shaft central spindle is hollow, and bearing central spindle is logical
It crosses bearing to be set in shaft central spindle, the bearing outer ring of bearing is fixedly connected with shaft central spindle, the bearing inner race and bearing of bearing
Central spindle is fixedly connected.Bearing central spindle is set in shaft central spindle by the electro spindle, so that bearing is located inside shaft central spindle, bearing
Outer ring is fixed on receiving main shaft in shaft central spindle and runs at high speed, and bearing inner race passes through bearing central spindle and the fixed portion of electro spindle
Point be fixedly connected so that the central diameter value of entire bearing can sharp fall, axis when efficiently solving electro spindle high revolving speed
The problem of holding fever serious wear, improves the limit speed of electro spindle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electro spindle of the utility model embodiment；
Fig. 2 is the A-A of Fig. 1 to schematic cross-sectional view；
Fig. 3 is the side structure schematic view of the electro spindle of the utility model embodiment；
Fig. 4 is the schematic perspective view of the electro spindle of the utility model embodiment.
Appended drawing reference indicates are as follows:
1, shaft central spindle；2, forward end seal flange；3, front end flange end cap；4, coolant jacket；5, front end fastening nut；6, electric
Machine stator；7, rotor；8, rotor spacer ring；9, rotor fastening nut；10, rear end flange end cap；11, motor is compiled
Code device；12, back-end sealing flange；13, rear end fastening nut；14, central spindle end cap；15, bearing central spindle；16, third fastener；
17, rear end bearing；18, the 4th fastener；19, the first fastener；20, preceding end bearing；21, the second fastener；22, backstop is convex
Edge；23, the first shaft part；24, the second shaft part；25, radially connected hole；26, lightening hole.
Specific embodiment
Referring to FIG. 1 to FIG. 4, embodiment according to the present utility model, electro spindle include shaft central spindle 1 and bearing central spindle
15, shaft central spindle 1 is hollow, and bearing central spindle 15 is set in shaft central spindle 1 by bearing, the bearing outer ring and shaft central spindle of bearing
1 is fixedly connected, and the bearing inner race of bearing is fixedly connected with bearing central spindle 15.
Bearing central spindle 15 is set in shaft central spindle 1 by the electro spindle, so that bearing is located inside shaft central spindle 1, bearing
Outer ring is fixed on receiving main shaft in shaft central spindle 1 and runs at high speed, and bearing inner race is fixed by bearing central spindle 15 and electro spindle
Part be fixedly connected so that the central diameter value of entire bearing can sharp fall, efficiently solve the high revolving speed of electro spindle
When bearing heating serious wear the problem of, improve the limit speed of electro spindle.Its middle (center) bearing central diameter=(bearing outside diameter+bearing
Internal diameter)/2.
Rolling element linear velocity v=r ω=π dn/60, wherein d is bearing central diameter, and n is the speed of mainshaft, works as the speed of mainshaft
Under same case, bearing central diameter d value is smaller, and the rolling element linear velocity v calculated is smaller, so that rolling element and bearing internal external circle roll
The contact stress in road declines, thus at identical Max.contact stress standard value (axis of rolling commitments 1700MPa), main shaft institute energy
The revolving speed upper limit reached is higher, that is, main shaft limit speed is higher.
By the above-mentioned means, electric mainshaft bearing limit speed is available compared with quantum jump, entire electro spindle can reach higher
Power and revolving speed, more play high power, the high rate performance of motor, and then processing efficiency and workpiece table can be improved
Face quality.The raising of limit speed can be widely used in the high revolving speed occasion for avoiding oil vapour pollution workpiece, as graphite machines machine
On bed.
Bearing includes the preceding end bearing 20 that 15 front end of bearing central spindle is arranged in and the rear end that 15 rear end of bearing central spindle is arranged in
Bearing 17.Rotation connection is realized by being respectively set between bearing and shaft central spindle 1 in the rear and front end of bearing central spindle 15, it can
Improve the stability of the support construction between shaft central spindle 1 and bearing central spindle 15.
Preferably, preceding end bearing 20 is two, and is arranged side by side；And/or rear end bearing 17 is two, and side by side
Setting.Two preceding end bearings 20 are arranged side by side, and two rear end bearings 17 are arranged side by side, and can further increase bearing mounting structure
Stability, improve bearing to the stability and reliability of the rotational support structure between bearing central spindle 15 and shaft central spindle 1.
The both ends of preceding end bearing 20 are respectively arranged with the first fastener 19 and the second fastener 21, and the first fastener 19 is fixed
It is arranged in shaft central spindle 1, and axial stop is formed to the bearing outer ring of preceding end bearing 20, the second fastener 21 is fixed at
In bearing central spindle 15, and axial stop is formed to the bearing inner race of preceding end bearing 20.
It is cooperated by the first fastener 19 and the second fastener 21, it can be from the both ends of preceding end bearing 20 respectively to preceding
The bearing inner race and bearing outer ring of end bearing 20 form axial limiting, the accuracy of 20 installation site of end bearing and reliable before guaranteeing
Property, while axial displacement occurs during the work time for end bearing 20 before effectivelying prevent, improve bearing central spindle 15 and shaft central spindle 1 it
Between relative axial position stability.
Preferably, at least one the first fastener 19 and the second fastener 21 are fastening nut, so as to utilize fastening
The locking property of nut provides pretightning force for the installation of preceding end bearing 20, and can be adjusted according to the needs the pretightning force, to preceding
End bearing 20 forms effective fixation.In the present embodiment, the first fastener 19 is fastening nut, which has interior spiral shell
Line, and be set in bearing central spindle 15, the bearing inner race to preceding end bearing 20 close to 17 one end of rear end bearing forms axial solid
It is fixed.Second fastener 21 is fastening nut, which has external screw thread, and is set in the inner hole of shaft central spindle 1, from
And axial restraint is formed far from the bearing outer ring of 17 one end of rear end bearing to preceding end bearing 20.
In the actual working process, the first fastener 19 and the second fastener 21 can also be fastening spiral shell with only one
Mother, another is positioning ring, on the basis of reducing processing cost, guarantee reducing installation difficulty as preceding end bearing 20
Installation provides sufficient pretightning force.
Preferably, preceding end bearing 20 is arranged on one end of rear end bearing 17, bearing central spindle 15 in the second fastener 21
It is additionally provided with stop lug 22,22 backstop of stop lug is in the preceding one end of end bearing 20 far from rear end bearing 17.Stop lug 22
Backstop, can be in preceding end bearing 20 by the first fastener 19 on preceding bearing inner race of the end bearing 20 far from 17 one end of rear end bearing
After being fixed with the second fastener 21, axial stop is formed to bearing central spindle 15 by preceding end bearing 20, prevents the mistake in work
Journey middle (center) bearing central spindle 15 relative to preceding end bearing 20 occur axial displacement, improve 15 mounting structure of bearing central spindle stability and can
By property.
Preferably, annular protrusion, the bearing of preceding end bearing 20 and rear end bearing 17 are provided on the internal perisporium of shaft central spindle 1
The equal backstop in outer ring is on annular protrusion.By the way that annular protrusion is arranged on the internal perisporium of shaft central spindle 1, annular protrusion can be passed through
Axial stop limit is formed to the bearing outer ring of preceding end bearing 20 and rear end bearing 17, without increasing new bearing outer ring limit knot
Structure simplifies manufacturing procedure, reduces processing cost.Preferably, annular can also be set on the periphery wall of bearing central spindle 15
Protrusion limits to form axial backstop to bearing inner race by the annular protrusion being arranged on the periphery wall of bearing central spindle 15
Position.
In the present embodiment, bearing central spindle 15 is multi-diameter shaft, including the first shaft part 23 and the second shaft part 24, preceding end bearing 20
It is set on the first shaft part 23, rear end bearing 17 is set on the second shaft part 24, the diameter of the first shaft part 23 and the second shaft part 24
Differ.
The both ends of rear end bearing 17 are respectively arranged with third fastener 16 and the 4th fastener 18, third fastener 16 and
Four fasteners 18 are arranged in bearing central spindle 15, and form axial limiting to the bearing inner race of rear end bearing 17.
Preferably, at least one third fastener 16 and the 4th fastener 18 are fastening nut, so as to utilize fastening
The locking property of nut provides pretightning force for the installation of preceding end bearing 20, and can be adjusted according to the needs the pretightning force, to preceding
End bearing 20 forms effective fixation.In the present embodiment, third fastener 16 is fastening nut, and the 4th fastener 18 is fixed for bearing
Position ring, bearing positioning ring fixation are set in bearing central spindle 15, form axial limiting to rear end bearing 17.
Preferably, the diameter of the first shaft part 23 is greater than the diameter of the second shaft part 24.Due to preceding end bearing 20 and rear end bearing
17 both ends are provided with fastener, therefore in a pre-installation during end bearing 20 and rear end bearing 17, it is tight to be required to installation
Firmware, if the gauge structures such as use of bearing central spindle 15, during the installation process, part fasteners are needed from the one of bearing central spindle 15
End is all the time by the installed position of the other end of tool operation to bearing central spindle 15, and structure is complicated for operation, and mounting process is complicated,
It is not easy to operate, and installation effectiveness is lower.And in the present embodiment, using stepped shaft structure, in the installation for carrying out fastener
When, preceding end bearing 20 can be set in bearing central spindle 15 first, then by the first fastener 19 from the of bearing central spindle 15
Two shaft parts 24 are installed, and are installed to the first shaft part 23, since the diameter of the second shaft part 24 is less than on the first shaft part 23
, therefore when the first fastener 19 passes through from the second shaft part 24, it is not need tool to be operated, can directly reaches first
At 23 position of shaft part, therefore the mounting process of the first fastener 19 can be simplified, reduce the installation difficulty of the first fastener 19,
Improve the installation effectiveness of the first fastener 19.
Preferably, the rear end of bearing central spindle 15 is fixedly connected with central spindle end cap 14.By the way that central spindle end cap 14, Ke Yiwei is arranged
The fixed installation of bearing central spindle 15 provides installation foundation, facilitates the not rotational structure that bearing central spindle 15 is fixedly mounted on to electro spindle
On, realize that shaft central spindle 1 is arranged relative to the rotation of bearing central spindle 15.
The rear end of bearing central spindle 15 passes through the circumferentially evenly arranged bolt of multiple central axis around bearing central spindle 15 and axis
Core end cap 14 is fixedly connected.Bearing central spindle 15 is fixedly connected by multiple bolts with central spindle end cap 14, and bearing central spindle can be enhanced
Bonding strength between 15 and central spindle end cap 14 improves the concentricity between bearing central spindle 15 and shaft central spindle 1, improves bearing axis
The bearing capacity and ability of anti-deformation of core 15 improve the stability of the fit structure between bearing central spindle 15 and shaft central spindle 1.
Preferably, it is provided with lightening hole 26 on central spindle end cap 14, the quality of central spindle end cap 14 can be mitigated, while master being provided
Axis pass outbound path facilitates the route of electro spindle to design.
Preferably, central spindle end cap 14 includes end plate, and multiple lightening holes 26 are uniformly distributed circumferentially on end plate, it is ensured that
The structural strength of each position of central spindle end cap 14 is balanced, improves the stability of the support construction of central spindle end cap 14.
Preferably, the gross area of lightening hole 26 accounts for the 30%~50% of the gross area of end plate, can both guarantee enough subtract
Heavy amount, and can guarantee the structural strength for not influencing central spindle end cap 14.
In the present embodiment, it is arranged with rear end flange end cap 10 outside shaft central spindle 1, central spindle end cap 14 is fixedly connected on rear end
In flange end cap 10.Specifically, electro spindle further includes coolant jacket 4, rear end flange end cap 10 is solid by back-end sealing flange 12
Backstop is determined on the end face of coolant jacket 4, and back-end sealing flange 12 passes through the rear end fastening nut that the periphery of shaft central spindle 1 is arranged in
13 are fixed in shaft central spindle 1, are formed with installation cavity between back-end sealing flange 12 and central spindle end cap 14, installation in the installation cavity
There is motor encoder 11.
Central spindle end cap 14 is set in outside rear end flange end cap 10, and radially connected hole is provided on the peripheral wall of central spindle end cap 14
25, central spindle end cap 14 passes through the bolt being arranged in radially connected hole 25 and is fixedly connected with rear end flange end cap 10.
Preferably, radially connected hole 25 is kidney slot, and kidney slot is axially extending along central spindle end cap 14.It is axial by setting
The kidney slot of extension can conveniently adjust the gap between central spindle end cap 14 and bearing central spindle 15, consequently facilitating realizing bearing axis
Fixed installation of the core 15 on central spindle end cap 14.
Above-mentioned bearing is, for example, rolling bearing.
Electro spindle further includes forward end seal flange 2, front end flange end cap 3, front end fastening nut 5, motor stator 6, motor
Rotor 7, rotor spacer ring 8, rotor fastening nut 9.
Forward end seal flange 2, front end flange end cap 3 are sheathed in shaft central spindle 1, and fixed with front end fastening nut 5.Electricity
Machine rotor 7 is sheathed in shaft central spindle 1, and fixed with rotor spacer ring 8, rotor fastening nut 9, ultimately forms shaft
Central spindle assembly.Motor stator 6 is sheathed on coolant jacket 4, forms coolant jacket assembly.
Shaft central spindle assembly obtained in the previous step is sheathed on coolant jacket assembly, with nut by front end flange end cap 3
It is fixed with coolant jacket 4, it is with nut that rear end flange end cap 10 and coolant jacket 4 is fixed.
Motor encoder 11 is sheathed on back-end sealing flange 12, forms motor encoder assembly, is integrally sheathed on and is turned
Axis central spindle 1, it is fixed with rear end fastening nut 13.
The bearing inner race and bearing central spindle 15 of preceding end bearing 20 are fixed, by the first fastener 19 adjusting pretightning force and admittedly
It is fixed, the 4th fastener 18 is fixed in bearing central spindle 15 using measurer, by tooling by the bearing outer ring of preceding end bearing 20 with
Shaft central spindle 1 is fixed, adjusts its pretightning force and fixation with the second fastener 21.
Rear end bearing 17 is integrally pressed into shaft central spindle 1 and bearing central spindle 15 by hot pressing, and it is pre- to adjust third fastener 16
Clamp force and fixation.
14 inner wall of central spindle end cap is contacted with 15 end face of bearing central spindle, rear end flange end cap 10 respectively, by screw respectively with
Bearing central spindle 15, rear end flange end cap 10 are fixed, and central spindle end cap 14 has kidney-shaped pore structure, can eliminate part's machining errors and
Bearing central spindle 15, preceding end bearing 20, rear end bearing 17 and shaft central spindle 1 assemble bring gap error.
Embodiment according to the present utility model, motor include electro spindle, which is above-mentioned electro spindle.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with modification.
Claims (19)
1. a kind of electro spindle, which is characterized in that including shaft central spindle (1) and bearing central spindle (15), in the shaft central spindle (1)
Sky, the bearing central spindle (15) are set in the shaft central spindle (1) by bearing, the bearing outer ring of the bearing with described turn
Axis central spindle (1) is fixedly connected, and the bearing inner race of the bearing is fixedly connected with the bearing central spindle (15).
2. electro spindle according to claim 1, which is characterized in that the bearing includes being arranged in the bearing central spindle (15)
The rear end bearing (17) of the preceding end bearing (20) of front end and setting in bearing central spindle (15) rear end.
3. electro spindle according to claim 2, which is characterized in that the preceding end bearing (20) is two, and is set side by side
It sets；And/or the rear end bearing (17) is two, and is arranged side by side.
4. electro spindle according to claim 2, which is characterized in that the both ends of the preceding end bearing (20) are respectively arranged with
One fastener (19) and the second fastener (21), first fastener (19) are fixed on the shaft central spindle (1), and
Axial stop is formed to the bearing outer ring of the preceding end bearing (20), second fastener (21) is fixed at the bearing
In central spindle (15), and axial stop is formed to the bearing inner race of the preceding end bearing (20).
5. electro spindle according to claim 4, which is characterized in that second fastener (21) is arranged in the front end axis
The one end of (20) close to the rear end bearing (17) is held, is additionally provided with stop lug (22) on the bearing central spindle (15), it is described
Stop lug (22) backstop is in the one end of the preceding end bearing (20) far from the rear end bearing (17).
6. electro spindle according to claim 2, which is characterized in that be provided with ring on the internal perisporium of the shaft central spindle (1)
The equal backstop of bearing outer ring of shape protrusion, the preceding end bearing (20) and the rear end bearing (17) is on the annular protrusion.
7. electro spindle according to claim 2, which is characterized in that the bearing central spindle (15) is multi-diameter shaft, including first
Shaft part (23) and the second shaft part (24), the preceding end bearing (20) are set on first shaft part (23), the rear end bearing
(17) it is set on second shaft part (24), the diameter of first shaft part (23) and second shaft part (24) differs.
8. electro spindle according to claim 4, which is characterized in that first fastener (19) and second fastener
It at least one (21) is fastening nut.
9. the electro spindle according to any one of claim 2 to 8, which is characterized in that the both ends of the rear end bearing (17)
It is respectively arranged with third fastener (16) and the 4th fastener (18), the third fastener (16) and the 4th fastener
(18) it is arranged on the bearing central spindle (15), and axial limiting is formed to the bearing inner race of the rear end bearing (17).
10. electro spindle according to claim 9, which is characterized in that the third fastener (16) and the 4th fastener
It at least one (18) is fastening nut.
11. electro spindle according to any one of claim 1 to 8, which is characterized in that the rear end of the bearing central spindle (15)
It is fixedly connected with central spindle end cap (14).
12. electro spindle according to claim 11, which is characterized in that the rear end of the bearing central spindle (15) by it is multiple around
The circumferentially evenly arranged bolt of central axis of the bearing central spindle (15) is fixedly connected with the central spindle end cap (14).
13. electro spindle according to claim 11, which is characterized in that be provided with lightening hole on the central spindle end cap (14)
(26)。
14. electro spindle according to claim 13, which is characterized in that the central spindle end cap (14) includes end plate, Duo Gesuo
Lightening hole (26) is stated to be uniformly distributed circumferentially on the end plate.
15. electro spindle according to claim 14, which is characterized in that the gross area of the lightening hole (26) accounts for the end plate
The gross area 30%~50%.
16. electro spindle according to claim 11, which is characterized in that be arranged with rear end flange outside the shaft central spindle (1)
End cap (10), the central spindle end cap (14) are fixedly connected on the rear end flange end cap (10).
17. electro spindle according to claim 16, which is characterized in that the central spindle end cap (14) is set in the rear hold-carrying
Blue end cap (10) outside, is provided with radially connected hole (25) on the peripheral wall of the central spindle end cap (14), and the central spindle end cap (14) is logical
The bolt being arranged in the radially connected hole (25) is crossed to be fixedly connected with the rear end flange end cap (10).
18. electro spindle according to claim 17, which is characterized in that the radially connected hole (25) is kidney slot, described
Kidney slot is axially extending along the central spindle end cap (14).
19. a kind of motor, including electro spindle, which is characterized in that the electro spindle is described in any one of claims 1 to 18
Electro spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822143972.2U CN209184392U (en) | 2018-12-20 | 2018-12-20 | Electro spindle and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822143972.2U CN209184392U (en) | 2018-12-20 | 2018-12-20 | Electro spindle and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209184392U true CN209184392U (en) | 2019-07-30 |
Family
ID=67377385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822143972.2U Withdrawn - After Issue CN209184392U (en) | 2018-12-20 | 2018-12-20 | Electro spindle and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209184392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586498A (en) * | 2018-12-20 | 2019-04-05 | 珠海格力电器股份有限公司 | Electro spindle and motor |
| CN110961662A (en) * | 2019-12-02 | 2020-04-07 | 珠海格力电器股份有限公司 | Electric spindle and numerical control equipment |
| CN109586498B (en) * | 2018-12-20 | 2024-07-02 | 珠海格力电器股份有限公司 | Motorized spindle and motor |
-
2018
- 2018-12-20 CN CN201822143972.2U patent/CN209184392U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586498A (en) * | 2018-12-20 | 2019-04-05 | 珠海格力电器股份有限公司 | Electro spindle and motor |
| WO2020125061A1 (en) * | 2018-12-20 | 2020-06-25 | 珠海格力电器股份有限公司 | Electric spindle and motor |
| CN109586498B (en) * | 2018-12-20 | 2024-07-02 | 珠海格力电器股份有限公司 | Motorized spindle and motor |
| CN110961662A (en) * | 2019-12-02 | 2020-04-07 | 珠海格力电器股份有限公司 | Electric spindle and numerical control equipment |
| CN110961662B (en) * | 2019-12-02 | 2020-11-24 | 珠海格力电器股份有限公司 | Electric spindle and numerical control equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209184392U (en) | Electro spindle and motor | |
| CN109516362B (en) | The suspender and its application method of a kind of while hoisting rotor and stator component | |
| CN107309502B (en) | Numerical control internal tooth gear honing electromechanical transmission gear honing frame | |
| CN102019219A (en) | Mill drive system | |
| CN207077049U (en) | Numerical control internal tooth gear honing machine top gem of a girdle-pendant wheel carrier | |
| CN101793290B (en) | Combined bearing of radial roller and axially thrust conical roller | |
| CN109586498A (en) | Electro spindle and motor | |
| CN202343961U (en) | Electric main shaft for lathe | |
| CN203426458U (en) | Ram with C-axis indexing function | |
| CN104827116B (en) | Swing mechanism | |
| CN204584743U (en) | Multifunctional swing mechanism | |
| CN210898672U (en) | Motor rotor assembly | |
| CN207823846U (en) | Output shaft processes head of swaging | |
| CN103433514A (en) | Ram with C-axis scale division function | |
| CN209867377U (en) | Rotating main shaft structure for winding machine | |
| CN109586498B (en) | Motorized spindle and motor | |
| CN209664315U (en) | A kind of milling vehicle composite main shaft | |
| CN207548412U (en) | The grinding fixture of RV retarder pin wheel housings | |
| CN209902280U (en) | Main shaft structure for hydraulic tool turret | |
| CN209344880U (en) | Compressor drum, compressor and coolant circulating system | |
| CN201394746Y (en) | Electric main shaft structure running at high precision | |
| CN206717552U (en) | Longhole inner circle electric mill main shaft | |
| CN204843534U (en) | Composite rotors numerical control revolving stage | |
| CN112283321B (en) | Sleeve shaft flexible rod rigid gear rotor | |
| CN217551270U (en) | Vertical milling head structure of horizontal boring machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190730 Effective date of abandoning: 20240702 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190730 Effective date of abandoning: 20240702 |