CN213671836U - Novel electric spindle - Google Patents
Novel electric spindle Download PDFInfo
- Publication number
- CN213671836U CN213671836U CN202021882766.4U CN202021882766U CN213671836U CN 213671836 U CN213671836 U CN 213671836U CN 202021882766 U CN202021882766 U CN 202021882766U CN 213671836 U CN213671836 U CN 213671836U
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- China
- Prior art keywords
- bearing seat
- shell
- fixed
- novel electric
- electric spindle
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- Expired - Fee Related
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- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a main shaft equips technical field, in particular to novel electricity main shaft. The motor is provided with a shaft core and a shell arranged outside the shaft core, wherein a front bearing seat is fixed at the left end of the shell, a rear bearing seat is fixed at the right end of the shell, a front bearing group is arranged between the front bearing seat and the shaft core, a rear bearing group is arranged between the rear bearing seat and the shaft core, a motor stator is arranged in the shell, a motor rotor is arranged in the motor stator, a circle of front oil retainer is fixed at the right end surface of the front bearing seat, a circle of rear oil retainer is fixed at the left end surface of the rear bearing seat, a rear transparent cover and a rear cover are sequentially fixed at the right end surface of the rear bearing seat; a cooling sleeve is sleeved between the shell and the motor stator, and a section of cleaning part is installed on the front transparent cover. The utility model discloses clean portion can in time clean axle core front end, prevents that the axle core is impaired. The radiating blades arranged in the shaft core can guide air flow to pass through when the main shaft works, so that the temperature of the main shaft is reduced.
Description
Technical Field
The electric main shaft is a new technology which integrates a machine tool main shaft and a main shaft motor into a whole and appears in the field of numerical control machine tools, and the electric main shaft, a linear motor technology and a high-speed cutter technology push high-speed processing to a new era. The electric spindle comprises the electric spindle and accessories thereof, and comprises the electric spindle, a high-frequency conversion device, an oil mist lubricator, a cooling device, a built-in encoder, a tool changer and the like. The rotor of the motor is directly used as the main shaft of the machine tool, the shell of the main shaft unit is the motor base, and the motor and the main shaft of the machine tool are integrated by matching with other parts.
The existing spindle is low in vibration and noise, and heat dissipation needs to be further optimized so as to improve the rotating speed and the precision of the electric spindle.
Background
The utility model relates to a main shaft equips technical field, in particular to novel electricity main shaft.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, provide a novel electricity main shaft.
Realize the utility model discloses the technical scheme of purpose is: a novel electric spindle is provided with a spindle core and a shell arranged outside the spindle core, wherein a front bearing seat is fixed at the left end of the shell, a rear bearing seat is fixed at the right end of the shell, a front bearing group is arranged between the front bearing seat and the spindle core, a rear bearing group is arranged between the rear bearing seat and the spindle core, a motor stator is arranged in the shell, a motor rotor is arranged in the motor stator, a circle of front oil retainer is fixed on the right end surface of the front bearing seat, a circle of rear oil retainer is fixed on the left end surface of the rear bearing seat, a rear transparent cover and a rear cover are sequentially fixed on the right end surface of the rear bearing seat rightwards, and a front transparent cover is fixed on the left end; and a cooling sleeve is sleeved between the shell and the motor stator, and a section of cleaning part is arranged on the front transparent cover.
Furthermore, a spiral groove communicated with the outer wall of the cooling jacket is formed in the outer wall of the cooling jacket, a cavity enclosed by the groove and the inner wall of the shell forms a cooling channel, a first inlet and a first outlet are formed in the top end of the shell, the first inlet is communicated with the leftmost end of the groove, and the first outlet is communicated with the rightmost end of the groove.
Furthermore, a second inlet and a second outlet are formed in the bottom end of the shell, the second inlet is communicated with the leftmost end of the groove, and the second outlet is communicated with the rightmost end of the groove.
Furthermore, the cleaning part comprises a cleaning pipeline and a cleaning hose, the cleaning pipeline is communicated with the top end of the front bearing seat and the left end face of the front transparent cover, and the cleaning hose is a metal pipeline which can be bent and shaped at will and is arranged on the left side of the cleaning pipeline.
Furthermore, a plurality of radiating blades which are uniformly distributed in an annular mode are fixed on the inner wall of the left end of the shaft core.
Furthermore, the cooling fin is total 4 groups, including blade base and arc blade, the arc blade welding is on the blade base.
Furthermore, the outer walls of the front bearing seat and the rear bearing seat, which are in contact with the cooling jacket, are provided with O-shaped sealing rings.
Furthermore, a heat dissipation hole is formed in the rear cover.
Further, the front bearing group sequentially comprises a first bearing, a first shaft sleeve and a second bearing from left to right; the rear bearing group comprises a third bearing, a second shaft sleeve and a fourth bearing from left to right in sequence.
Furthermore, a vibration and noise reduction layer is sleeved outside the shell.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) the utility model discloses clean portion can in time clean axle core front end, prevents that the axle core is impaired.
(2) The utility model discloses the radiating blade who sets up in the axle core can be at main shaft during operation, and the guide air current passes through, reduces the main shaft temperature.
(3) The utility model discloses the main shaft cooling in the work can be given to the circulating coolant liquid in the cooling jacket, and the cooling is effectual.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view showing the detailed structure of example 1;
FIG. 2 is a schematic structural view of embodiment 2;
fig. 3 is a schematic axial view of the present invention.
Detailed Description
(example 1)
Referring to fig. 1 and 3, the utility model has a shaft core 1 and a housing 2 arranged outside the shaft core 1, a front bearing seat 3 is fixed at the left end of the housing 2, a rear bearing seat 4 is fixed at the right end, a front bearing group 5 is arranged between the front bearing seat 3 and the shaft core 1, a rear bearing group 6 is arranged between the rear bearing seat 4 and the shaft core 1, a motor stator 7 is arranged in the housing 2, a motor rotor 8 is arranged in the motor stator 7, a circle of front oil retainer ring 9 is fixed at the right end face of the front bearing seat 3, a circle of rear oil retainer ring 10 is fixed at the left end face of the rear bearing seat 4, a rear transparent cover 11 and a rear cover 12 are sequentially fixed at the right end face of the rear bearing seat 4, and a front transparent cover 13; the method is characterized in that: a cooling jacket 14 is also sleeved between the shell 2 and the motor stator 7, and a section of cleaning part 15 is arranged on the front transparent cover 13. The outer wall of the cooling jacket 14 is provided with a communicated spiral groove 141, a cavity surrounded by the groove 141 and the inner wall of the housing 2 forms a cooling channel, the top end of the housing 2 is provided with a first inlet 21 and a first outlet 22, the first inlet 21 is communicated with the leftmost end of the groove 141, and the first outlet 22 is communicated with the rightmost end of the groove 141. The bottom end of the shell 2 is provided with a second inlet 23 and a second outlet 24, the second inlet 23 is communicated with the leftmost end of the groove 141, and the second outlet 24 is communicated with the rightmost end of the groove 141. The cleaning part 15 includes a cleaning duct 151 and a cleaning hose 152, the cleaning duct 151 communicates the top end of the front bearing block 3 with the left end face of the front transparent cover 13, and the cleaning hose 152 is a metal duct that can be bent and shaped at will and is installed on the left side of the cleaning duct 151. And the front bearing seat 3 and the rear bearing seat 4 are respectively provided with an O-shaped sealing ring 17 on the outer wall contacted with the cooling jacket 14. The rear cover 12 is provided with a heat radiating hole 121. The front bearing group 5 sequentially comprises a first bearing 51, a first shaft sleeve 52 and a second bearing 53 from left to right; the rear bearing group 6 comprises a third bearing 61, a second shaft sleeve 62 and a fourth bearing 63 from left to right in sequence. The shell 2 is also sleeved with a vibration and noise reduction layer 18.
(example 2)
See fig. 2, the utility model has a shaft core 1 and a housing 2 arranged outside the shaft core 1, a front bearing seat 3 is fixed at the left end of the housing 2, a rear bearing seat 4 is fixed at the right end, a front bearing group 5 is arranged between the front bearing seat 3 and the shaft core 1, a rear bearing group 6 is arranged between the rear bearing seat 4 and the shaft core 1, a motor stator 7 is arranged in the housing 2, a motor rotor 8 is arranged in the motor stator 7, a circle of front oil retainer 9 is fixed at the right end face of the front bearing seat 3, a circle of rear oil retainer 10 is fixed at the left end face of the rear bearing seat 4, a rear transparent cover 11 and a rear cover 12 are sequentially fixed at the right end face of the rear bearing seat 4, and a front transparent cover 13 is; a cooling jacket 14 is also sleeved between the shell 2 and the motor stator 7, and a section of cleaning part 15 is arranged on the front transparent cover 13. The outer wall of the cooling jacket 14 is provided with a communicated spiral groove 141, a cavity surrounded by the groove 141 and the inner wall of the housing 2 forms a cooling channel, the top end of the housing 2 is provided with a first inlet 21 and a first outlet 22, the first inlet 21 is communicated with the leftmost end of the groove 141, and the first outlet 22 is communicated with the rightmost end of the groove 141. The bottom end of the shell 2 is provided with a second inlet 23 and a second outlet 24, the second inlet 23 is communicated with the leftmost end of the groove 141, and the second outlet 24 is communicated with the rightmost end of the groove 141. The cleaning part 15 includes a cleaning duct 151 and a cleaning hose 152, the cleaning duct 151 communicates the top end of the front bearing block 3 with the left end face of the front transparent cover 13, and the cleaning hose 152 is a metal duct that can be bent and shaped at will and is installed on the left side of the cleaning duct 151. And the front bearing seat 3 and the rear bearing seat 4 are respectively provided with an O-shaped sealing ring 17 on the outer wall contacted with the cooling jacket 14. The rear cover 12 is provided with a heat radiating hole 121. The front bearing group 5 sequentially comprises a first bearing 51, a first shaft sleeve 52 and a second bearing 53 from left to right; the rear bearing group 6 comprises a third bearing 61, a second shaft sleeve 62 and a fourth bearing 63 from left to right in sequence. The shell 2 is also sleeved with a vibration and noise reduction layer 18. A plurality of radiating blades 16 which are uniformly distributed in a ring shape are fixed on the inner wall of the left end of the shaft core 1. The cooling fins 16 have 4 groups, and include a fin base 161 and arc fins 162, and the arc fins 162 are welded to the fin base 161.
The utility model discloses a theory of operation does: compressed air or cooling liquid or lubricating liquid can be introduced into the cleaning part 15, so that the front end of the shaft core 1 can be cleaned in time, and the shaft core 1 is prevented from being damaged. The heat radiating blades 16 arranged in the shaft core 1 can guide air flow to pass through when the main shaft works, so that the temperature of the main shaft is reduced. The cooling liquid circulating in the cooling jacket 14 can cool the spindle in work, and the cooling effect is good.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A novel electric spindle comprises a spindle core (1) and a shell (2) arranged outside the spindle core (1), a front bearing seat (3) is fixed at the left end of the shell (2), a rear bearing seat (4) is fixed at the right end, a front bearing group (5) is arranged between the front bearing seat (3) and the shaft core (1), a rear bearing group (6) is arranged between the rear bearing seat (4) and the shaft core (1), a motor stator (7) is arranged in the shell (2), a motor rotor (8) is arranged in the motor stator (7), a circle of front oil retaining ring (9) is fixed on the right end face of the front bearing seat (3), a circle of rear oil slinger (10) is fixed on the left end surface of the rear bearing seat (4), a rear transparent cover (11) and a rear cover (12) are sequentially fixed on the right end face of the rear bearing seat (4), and a front transparent cover (13) is fixed on the left end face of the front bearing seat (3); the method is characterized in that: a cooling sleeve (14) is further sleeved between the shell (2) and the motor stator (7), and a section of cleaning part (15) is installed on the front transparent cover (13).
2. The novel electric spindle of claim 1, wherein: the outer wall of the cooling jacket (14) is provided with a communicated spiral groove (141), a cavity defined by the groove (141) and the inner wall of the shell (2) forms a cooling channel, the top end of the shell (2) is provided with a first inlet (21) and a first outlet (22), the first inlet (21) is communicated with the leftmost end of the groove (141), and the first outlet (22) is communicated with the rightmost end of the groove (141).
3. The novel electric spindle of claim 2, wherein: the bottom end of the shell (2) is provided with a second inlet (23) and a second outlet (24), the second inlet (23) is communicated with the leftmost end of the groove (141), and the second outlet (24) is communicated with the rightmost end of the groove (141).
4. The novel electric spindle of claim 1, wherein: the cleaning part (15) comprises a cleaning pipeline (151) and a cleaning hose (152), the cleaning pipeline (151) is communicated with the top end of the front bearing seat (3) and the left end face of the front transparent cover (13), and the cleaning hose (152) is a metal pipeline which can be bent and shaped at will and is arranged on the left side of the cleaning pipeline (151).
5. The novel electric spindle of claim 1, wherein: a plurality of radiating blades (16) which are uniformly distributed in an annular shape are fixed on the inner wall of the left end of the shaft core (1).
6. The novel electric spindle of claim 5, wherein: the total 4 groups of radiating blades (16) comprise a blade base (161) and arc-shaped blades (162), and the arc-shaped blades (162) are welded on the blade base (161).
7. A novel electric spindle according to any one of claims 2 to 6, characterized in that: and the outer walls of the front bearing seat (3) and the rear bearing seat (4) which are in contact with the cooling jacket (14) are provided with O-shaped sealing rings (17).
8. The novel electric spindle of claim 1, wherein: the rear cover (12) is provided with a heat dissipation hole (121).
9. The novel electric spindle of claim 1, wherein: the front bearing group (5) sequentially comprises a first bearing (51), a first shaft sleeve (52) and a second bearing (53) from left to right; the rear bearing group (6) sequentially comprises a third bearing (61), a second shaft sleeve (62) and a fourth bearing (63) from left to right.
10. The novel electric spindle of claim 1, wherein: the shell (2) is also sleeved with a vibration and noise reduction layer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021882766.4U CN213671836U (en) | 2020-09-01 | 2020-09-01 | Novel electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021882766.4U CN213671836U (en) | 2020-09-01 | 2020-09-01 | Novel electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213671836U true CN213671836U (en) | 2021-07-13 |
Family
ID=76745944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021882766.4U Expired - Fee Related CN213671836U (en) | 2020-09-01 | 2020-09-01 | Novel electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213671836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118002809A (en) * | 2024-04-09 | 2024-05-10 | 海阳市长川电机有限公司 | Motorized spindle with dual cooling structure |
-
2020
- 2020-09-01 CN CN202021882766.4U patent/CN213671836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118002809A (en) * | 2024-04-09 | 2024-05-10 | 海阳市长川电机有限公司 | Motorized spindle with dual cooling structure |
| CN118002809B (en) * | 2024-04-09 | 2024-06-11 | 海阳市长川电机有限公司 | Motorized spindle with dual cooling structure |
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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: 20210713 |