CN210650166U - Electric spindle for polishing inner hole of steel pipe - Google Patents
Electric spindle for polishing inner hole of steel pipe Download PDFInfo
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- CN210650166U CN210650166U CN201921661120.0U CN201921661120U CN210650166U CN 210650166 U CN210650166 U CN 210650166U CN 201921661120 U CN201921661120 U CN 201921661120U CN 210650166 U CN210650166 U CN 210650166U
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Abstract
The utility model provides an electricity main shaft for steel pipe hole is opened light, includes axle core, stator, magnet steel protective sheath, organism, its characterized in that: the shaft core is provided with a cooling through hole extending from the upper center of the shaft core to the lower center of the shaft core, the magnetic steel is fixed outside the shaft core and positioned in the middle of the shaft core, the magnetic steel protective sleeve is sleeved on the surface of the magnetic steel, the stator is sleeved outside the magnetic steel protective sleeve, the machine body is fixed outside the stator, the machine body is internally provided with a machine body compressed air gas circuit and a plurality of machine body cooling water circuits, the upper portion of the shaft core is sleeved with a rear bearing, the rear bearing is installed in a rear bearing seat, and the rear bearing is. The utility model continuously cools the machine body through the cooling water loop, thereby effectively reducing the working temperature of the electric spindle; the shaft core is cooled by cold air, flows out of the plurality of shaft core air outlet holes and is blown to the inner wall of the steel pipe, so that the surface temperature of a workpiece is reduced; the bearing has the characteristics of good dustproof performance, long service life and good stability.
Description
Technical Field
The utility model relates to an electricity main shaft technical field specifically is an electricity main shaft that is used for steel pipe hole to open light.
Background
The electric spindle is also called as a motor built-in spindle and is directly driven by an internal motor without needing an external servo motor to work like the traditional mechanical spindle. The electric spindle has a compact structure, and can realize high rotating speed, high precision and high running stability.
In the process of forming the steel pipe, the inner hole needs to be polished, so that the surface smoothness is improved. In the inner hole polishing and grinding process, dust, water mist, cutting fluid, cutting impurities and the like are easy to enter the inside of the electric main shaft, and a bearing is damaged, so that the service life of the electric main shaft is seriously influenced.
When the electric spindle works, a motor rotor, a shaft core and a machine body in the electric spindle usually generate a large amount of heat, the heat cannot be brought out by the existing cooling system, and the cooling effect is not ideal enough.
Disclosure of Invention
The utility model aims to overcome the defects, thereby providing the electric spindle for opening the inner hole of the steel pipe, cooling the machine body by adopting a water cooling mode, and cooling the shaft core by adopting an air cooling mode, thereby effectively reducing the working temperature of the electric spindle; the workpiece can be cooled, impurities which may finally enter the shaft core are blocked through the labyrinth seal structure, and the bearing has the characteristics of good dustproof performance, long service life of the bearing and good stability.
The technical scheme of the utility model is that: the utility model provides an electricity main shaft for steel pipe hole is opened light, includes axle core, stator, magnet steel protective sheath, organism, its characterized in that: the shaft core is provided with a cooling through hole extending from the upper center to the lower center, the magnetic steel is fixed outside the shaft core and positioned in the middle of the shaft core, the magnetic steel protective sleeve is sleeved on the surface of the magnetic steel, the stator is sleeved outside the magnetic steel protective sleeve, the machine body is fixed outside the stator, the machine body is internally provided with a machine body compressed air circuit and a plurality of machine body cooling water circuits, the upper part of the shaft core is sleeved with a rear bearing, the rear bearing is installed in a rear bearing seat, the rear bearing is locked by a rear locking nut, the rear bearing seat is fixed at the tail end of the machine body, the rear bearing seat is internally provided with a rear bearing seat compressed air circuit and a rear bearing seat cooling water circuit, the end part of the rear bearing seat is sequentially connected with a rear supporting cover and a rear cover, the rear supporting cover is internally provided with a rear supporting cover compressed air circuit and a rear supporting cover cooling water, specifically, the rear cover is provided with an air rod inserted in an opening at the upper end part of the cooling through hole, the air rod is provided with a lower end part extending to the lower end surface of the air rod, a communication hole with the upper end part communicated with a cold air inlet, the rear cover is provided with a compressed air inlet, the compressed air inlet is communicated with a compressed air gas circuit of the rear supporting cover, a compressed air gas circuit of the rear bearing seat and a compressed air gas circuit of the machine body, the rear cover is provided with a cooling water inlet, the cooling water inlet is communicated with a cooling water circuit of the rear supporting cover, a cooling water circuit of the rear bearing seat and a cooling water circuit of the machine body, the lower part of the shaft core is sleeved with a front bearing and a machine body, the surface of the shaft core at the lower end part of the front bearing is sequentially sleeved with a front inner dustproof gasket, a front outer dustproof gasket and a machine body, a front inner dustproof gasket annular sealing convex tooth is arranged at the connecting part, the front inner dustproof gasket annular sealing convex tooth is embedded in the front outer dustproof gasket annular sealing groove, the front inner dustproof gasket and the front outer dustproof gasket are equal in height to form a labyrinth sealing structure, the end face of the front inner dustproof gasket, far away from the front bearing, is contacted with a front locking nut, the end face of the front outer dustproof gasket, far away from the front bearing, is contacted with a front gland, the front locking nut is fastened on a shaft core through threads, the outer circle of the front locking nut is provided with a front locking nut gas storage groove, a matching groove on the front locking nut and a matching groove under the front locking nut, the front gland is fixed on a machine body, the inner circle end face of the front gland is provided with a front gland sealing convex tooth, the front gland sealing convex tooth is embedded in the matching groove under the front locking nut to form a labyrinth sealing structure, the front gland is radially provided with a front gland gas circuit, the front gland gas circuit is communicated with the front locking nut gas storage groove, the dustproof cover is fixed on the front pressure cover, the front inner blocking cover and the front locking nut are completely blocked, and the inner thin-wall part of the front inner blocking cover is arranged in a matching groove on the front locking nut of the front locking nut and forms a labyrinth ring with the front locking nut.
Furthermore, a plurality of shaft core air outlet holes are formed in the bottom of the shaft core.
Furthermore, a dust cover drain groove is arranged right below the dust cover.
Furthermore, the front inner baffle cover is formed by splicing two completely equal parts, and a rear discharge groove of the front inner baffle cover and a front chip groove of the front inner baffle cover are respectively arranged below the front inner baffle cover.
Further, the front bearing is composed of a plurality of bearing pairs.
The utility model has the advantages that:
1. a front gland gas circuit is radially arranged on the front gland, the front gland gas circuit is communicated with a front locking nut gas storage groove and a sleeve gas circuit, a front inner retaining cover is fixed on the front gland, a dustproof cover is fixed on the front gland, the front inner retaining cover and the front locking nut are completely retained, and an inner thin wall part of the front inner retaining cover is arranged in a matching groove on the front locking nut of the front locking nut to form a labyrinth ring with the front locking nut; the impurities which possibly enter the shaft core are blocked, and the dustproof performance is good.
2. The end face of the front inner dustproof gasket, which is far away from the bearing, is contacted with a front locking nut, the end face of the front outer dustproof gasket, which is far away from the bearing, is contacted with a front gland, the front locking nut is fastened on a shaft core through threads, the excircle of the front locking nut is provided with a front locking nut gas storage groove, a front locking nut upper matching groove and a front locking nut lower matching groove, the front gland is fixed on a machine body, the inner circle end face of the front gland is provided with a front gland sealing convex tooth, and the front gland sealing convex tooth is embedded in the front locking nut lower matching groove to form a labyrinth sealing structure; the impurities which possibly enter the shaft core are blocked, and the dustproof performance is good.
3. The surface of the shaft core at the end part of the front bearing is sequentially sleeved with a front inner dustproof gasket, a front outer dustproof gasket and a machine body from inside to outside, the joint of the front inner dustproof gasket and the front outer dustproof gasket is provided with a front inner dustproof gasket annular sealing convex tooth, the joint of the front outer dustproof gasket and the front inner dustproof gasket is provided with a front outer dustproof gasket annular sealing groove, the front inner dustproof gasket annular sealing convex tooth is embedded in the front outer dustproof gasket annular sealing groove, the front inner dustproof gasket and the front outer dustproof gasket are equal in height, a labyrinth sealing structure is formed, impurities which possibly enter the shaft core are blocked, the dustproof performance is good, the service life of the bearing is long, and the stability is good.
4. Cooling water enters from a cooling water inlet, flows through the rear support cover cooling water channel and the rear bearing seat cooling water channel, enters a plurality of continuously circulating machine body cooling water channels, and then flows out of the rear support cover cooling water channel and the rear bearing seat cooling water channel to form a loop, and the machine body is continuously cooled; the working temperature of the electric spindle is effectively reduced.
5. Cold air enters the communicating hole of the ventilation rod from the cold air inlet and then enters the cooling through hole to cool the shaft core, and then flows out of the plurality of shaft core air outlet holes to be blown to the inner wall of the steel pipe, so that the surface temperature of a workpiece is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In FIG. 1, 1-the shaft core, 101-the cooling through hole, 102-the shaft core air outlet hole, 2-the dust cap, 21-the dust cap drain groove, 3-the front gland, 31-the front gland air passage, 32-the front gland drain groove, 33-the front gland seal tooth, 4-the front inner shield cap, 41-the front inner shield cap rear drain groove, 42-the front inner shield cap front chip groove, 5-the front lock nut, 51-the front lock nut air reservoir, 52-the front lock nut upper mating groove, 53-the front lock nut lower mating groove, 6-the front outer dust gasket, 61-the front outer dust gasket annular seal groove, 7-the front inner dust gasket, 71-the front inner dust gasket annular seal tooth, 8-the front bearing body, 9-the body, 91-the compressed air passage, 92-body cooling water path, 10-stator, 11-magnetic steel, 12-magnetic steel protective sleeve, 13-rear bearing seat, 131-rear bearing seat compressed air gas path, 132-rear bearing seat cooling water path, 14-rear bearing, 15-rear lock nut, 16-rear support cover, 161-rear support cover compressed air gas path, 162-rear support cover cooling water path, 17-air rod, 171-communication hole, 18-rear cover, 181-cold air inlet, 182-compressed air inlet, 183-cooling water inlet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to an electricity main shaft for steel pipe hole is opened smooth, including axle core 1, stator 10, magnet steel 11, magnet steel protective sheath 12, organism 9, its characterized in that: the axle core 1 is provided with one by its upper portion center extend to the cooling through-hole 101 at its lower part center, magnet steel 11 is fixed at axle core 1 outside and is located axle core 1 middle part, magnet steel protective sheath 12 covers on magnet steel 11 surface, stator 10 covers the outside at magnet steel protective sheath 12, organism 9 is fixed in the outside of stator 10, organism 9 is inside to be equipped with organism compressed air gas circuit 91, a plurality of organism cooling water route 92, magnet steel 11 produces a plurality of magnetic pole after pairing, constitute PMSM with stator 10 of fixing in organism 9 inside, be used for driving axle core 1 and rotate for organism 9 high speed.
The upper part of the shaft core 1 is sleeved with a rear bearing 14, the rear bearing 14 is installed in a rear bearing seat 13, the rear bearing 14 is locked by a rear locking nut 15, the rear bearing seat 13 is fixed at the tail end of the machine body 9, a rear bearing seat compressed air gas path 131 and a rear bearing seat cooling water path 132 are arranged in the rear bearing seat 13, the end part of the rear bearing seat 13 is sequentially connected with a rear supporting cover 16 and a rear cover 18, a rear supporting cover compressed air gas path 161 and a rear supporting cover cooling water path 162 are arranged in the rear supporting cover 16, the rear cover 18 is fixed on the rear supporting cover 16, a cold air inlet 181 is arranged on the rear cover 18 and is communicated with the upper end part of the cooling through hole 101, specifically, a vent rod 17 inserted in an opening at the upper end part of the cooling through hole 101 is arranged on the rear cover 18, a communication hole 171 is arranged on the vent rod 17, the lower end part of, the cool air inlet 181 communicates with an external cool air output device, and can supply cool air into the cooling through hole 101, and the cool air enters the cooling through hole 101, the shaft core 1 is cooled, a compressed air inlet 182 is arranged on the rear cover 18, the compressed air inlet 182 is communicated with a rear support cover compressed air gas path 161, a rear bearing seat compressed air gas path 131 and a machine body compressed air gas path 91, a cooling water inlet 183 is arranged on the rear cover 18, the cooling water inlet 183 is communicated with a rear support cover cooling water path 162, a rear bearing seat cooling water path 132 and a machine body cooling water path 92, cooling water enters from the cooling water inlet 183, flows through the rear support cover cooling water path 162 and the rear bearing seat cooling water path 132, enters a plurality of continuously circulating machine body cooling water paths 92, and then flows out from the rear support cover cooling water path 162 and the rear bearing seat cooling water path 132 to form a loop to continuously cool the machine body 9; the working temperature of the electric spindle is effectively reduced.
The lower part of the shaft core 1 is sleeved with a front bearing 8 and a machine body 9, the surface of the shaft core 1 at the lower end part of the front bearing 8 is sleeved with a front inner dustproof gasket 7, a front outer dustproof gasket 6 and the machine body 9 from inside to outside in sequence, the joint of the front inner dustproof gasket 7 and the front outer dustproof gasket 6 is provided with a front inner dustproof gasket annular sealing convex tooth 71, the joint of the front outer dustproof gasket 6 and the front inner dustproof gasket 7 is provided with a front outer dustproof gasket annular sealing groove 61, the front inner dustproof gasket annular sealing convex tooth 71 is embedded in the front outer dustproof gasket annular sealing groove 61, the front inner dustproof gasket 7 and the front outer dustproof gasket 6 are equal in height to form a labyrinth sealing structure, the dustproof performance is good, the end surface of the front inner dustproof gasket 7, which is far away from the front bearing 8, is contacted with a front locking nut 5, the end surface of the front outer dustproof gasket 6, which is far away from the front bearing 8, is contacted with, the outer circle of the front locking nut 5 is provided with a front locking nut air storage groove 51, a front locking nut upper matching groove 52 and a front locking nut lower matching groove 53, the front gland 3 is fixed on the machine body 9, the inner circle end surface of the front gland 3 is provided with a front gland sealing convex tooth 33, the front gland sealing convex tooth 33 is embedded in the front locking nut lower matching groove 53 to form a labyrinth sealing structure, the dustproof performance is good, the front gland 3 is radially provided with a front gland air passage 31, the front gland air passage 31 is communicated with the front locking nut air storage groove 51 and a machine body compressed air passage 91, the front inner baffle cover 4 is fixed on the front gland 3, the dustproof cover 2 is fixed on the front gland 3 to completely block the front inner baffle cover 4 and the front locking nut 5, the inner thin wall part of the front inner baffle cover 4 is arranged in the front locking nut upper matching groove 52 of the front locking nut 5 to form a labyrinth ring with the front locking nut 5 to block impurities which may enter the shaft core, the dustproof performance is good.
The bottom of the shaft core 1 is provided with a plurality of shaft core air outlet holes 102, cold air enters the cooling through holes 101 from the communication holes 171 to cool the shaft core 1, and then flows out of the shaft core air outlet holes 102 to be blown on the inner wall of the steel pipe, so that the surface temperature of a workpiece is reduced.
And a dust cover drain groove 21 is arranged under the dust cover 2.
The front inner shield cover 4 is formed by splicing two completely equal parts, and a front inner shield cover rear discharge groove 41 and a front inner shield cover front discharge groove 42 are respectively arranged below the front inner shield cover 4.
The front bearing 8 is composed of a plurality of bearing pairs, and is a bearing of different types, and provides ultrahigh radial bearing capacity for the main shaft.
The utility model discloses a theory of operation does:
in the first layer of sealing mode, a front gland air passage 31 is radially arranged on a front gland 3, the front gland air passage 31 is communicated with a front lock nut air storage groove 51 and a machine body compressed air passage 91, a front inner baffle cover 4 is fixed on the front gland 3, a dust cover 2 is fixed on the front gland 3 and completely blocks the front inner baffle cover 4 and the front lock nut 5, and a thin wall part in the front inner baffle cover 4 is arranged in a matching groove 52 on the front lock nut of the front lock nut 5 and forms a labyrinth ring with the front lock nut 5.
The second layer of sealing form, the terminal surface that bearing 8 was kept away from to preceding interior dustproof gasket 7 contacts with preceding lock nut 5, the terminal surface that bearing 8 was kept away from to preceding outer dustproof gasket 6 contacts with preceding gland 3, preceding lock nut 5 passes through the screw fastening on axle core 1, preceding lock nut 5 excircle is equipped with preceding lock nut gas storage tank 51, pair groove 52 on the preceding lock nut, pair groove 53 under the preceding lock nut, preceding gland 3 is fixed on organism 9, the round terminal surface is equipped with preceding gland seal dogtooth 33 in the preceding gland 3, preceding gland seal dogtooth 33 inlays and mates under the preceding lock nut in 53, form labyrinth seal structure.
The third layer of sealing structure, the surface of the axle core 1 at the end of the front bearing 8 is sequentially sleeved with a front inner dustproof gasket 7, a front outer dustproof gasket 6 and a machine body 9 from inside to outside, the joint of the front inner dustproof gasket 7 and the front outer dustproof gasket 6 is provided with a front inner dustproof gasket annular sealing convex tooth 71, the joint of the front outer dustproof gasket 6 and the front inner dustproof gasket 7 is provided with a front outer dustproof gasket annular sealing groove 61, the front inner dustproof gasket annular sealing convex tooth 71 is embedded in the front outer dustproof gasket annular sealing groove 61, the front inner dustproof gasket 7 and the front outer dustproof gasket 6 are equal in height, a labyrinth sealing structure is formed, and impurities which possibly enter the axle core 1 are blocked.
The utility model discloses a working process does:
compressed air enters from a compressed air inlet 182, flows through a compressed air path 161 of a rear supporting cover, a compressed air path 131 of a rear bearing seat, a compressed air path 91 of a machine body and a front gland air path 31, enters a front locknut air storage groove 51 between a front locknut 5 and a front gland 3, flows outwards from the front locknut air storage groove 51 to a matching groove 52 on the front locknut, most of the air flows out from a gap between the front locknut 5 and a front inner retaining cover 4 to a gap between a dustproof cover 2 and the front locknut 5, then flows out of a shaft core 1, the internal air pressure stably flows outwards, positive pressure is formed outwards, and impurities are prevented from entering; a small part of gas flows out from the front inner baffle cover front chip groove 42, the front inner baffle cover rear chip groove 41 and the dust cover drain groove 21 to take away the tiny part of impurities entering the dust cover 2;
the rear cover 18 is provided with a cooling water inlet 183, the cooling water inlet 183 is communicated with the rear support cover cooling water channel 162, the rear bearing seat cooling water channel 132 and the machine body cooling water channel 92, cooling water enters from the cooling water inlet 183, flows through the rear support cover cooling water channel 162 and the rear bearing seat cooling water channel 132, enters a plurality of continuously circulating machine body cooling water channels 92, and then flows out from the rear support cover cooling water channel 162 and the rear bearing seat cooling water channel 132 to form a loop, so that the machine body 9 is continuously cooled, and the working temperature of the motorized spindle is effectively reduced;
the cold air enters the communication hole 171 of the ventilation bar 17 from the cold air inlet 181, enters the cooling through hole 101 again, cools the shaft core 1, flows out from the plurality of shaft core air outlet holes 102 again, and is blown onto the inner wall of the steel pipe, thereby reducing the surface temperature of the workpiece.
Claims (5)
1. The utility model provides an electricity main shaft for steel pipe hole is opened light, includes axle core (1), stator (10), magnet steel (11), magnet steel protective sheath (12), organism (9), its characterized in that: the shaft core (1) is provided with a cooling through hole (101) extending from the upper center to the lower center of the shaft core, a magnetic steel (11) is fixed outside the shaft core (1) and located in the middle of the shaft core (1), a magnetic steel protective sleeve (12) is sleeved on the surface of the magnetic steel (11), a stator (10) is sleeved outside the magnetic steel protective sleeve (12), a machine body (9) is fixed outside the stator (10), a machine body compressed air gas path (91) and a plurality of machine body cooling water paths (92) are arranged inside the machine body (9), a rear bearing (14) is sleeved on the upper portion of the shaft core (1), the rear bearing (14) is installed in a rear bearing seat (13), the rear bearing (14) is locked by a rear locking nut (15), the rear bearing seat (13) is fixed at the tail end of the machine body (9), a rear bearing seat compressed air gas path (131) and a rear bearing seat cooling water path (132) are arranged inside the rear bearing seat (13), a rear support cover compressed air gas path (161) and a rear support cover cooling water path (162) are arranged inside the rear support cover (16), the rear cover (18) is fixed on the rear support cover (16), a cold air inlet (181) is arranged on the rear cover (18), the cold air inlet (181) is communicated with the upper end part of the cooling through hole (101), concretely, a vent rod (17) inserted into an opening at the upper end part of the cooling through hole (101) is arranged on the rear cover (18), a lower end part of the vent rod (17) is provided with a communicating hole (171) of which the upper end part is communicated with the cold air inlet (181), a compressed air inlet (182) is arranged on the rear cover (18), the compressed air inlet (182) is communicated with the rear support cover compressed air gas path (161), a rear bearing seat compressed air gas path (131) and a compressed air gas path (91), a cooling water inlet (183) is arranged on the rear cover (18), a cooling water inlet (183) is communicated with a rear supporting cover cooling water channel (162), a rear bearing seat cooling water channel (132) and a machine body cooling water channel (92), a front bearing (8) and a machine body (9) are sleeved on the lower part of a shaft core (1), a front inner dustproof gasket (7), a front outer dustproof gasket (6) and the machine body (9) are sequentially sleeved on the surface of the shaft core (1) at the lower end part of the front bearing (8) from inside to outside, a front inner dustproof gasket annular sealing convex tooth (71) is arranged at the connecting part of the front inner dustproof gasket (7) and the front outer dustproof gasket (6), a front outer dustproof gasket annular sealing groove (61) is arranged at the connecting part of the front outer dustproof gasket (6) and the front inner dustproof gasket annular sealing convex tooth (71) is embedded in the front outer dustproof gasket annular sealing groove (61), the front inner dustproof gasket (7) and the front outer dustproof gasket (6) are as high as possible, the front inner dustproof gasket (7) is far away from the end face of the front bearing (8) and is in contact with a front locking nut (5), the front outer dustproof gasket (6) is far away from the end face of the front bearing (8) and is in contact with a front gland (3), the front locking nut (5) is fastened on a shaft core (1) through threads, a front locking nut air storage groove (51) is formed in the excircle of the front locking nut (5), a front locking nut upper pairing groove (52) and a front locking nut lower pairing groove (53) are formed in the excircle of the front locking nut, the front gland (3) is fixed on a machine body (9), a front gland sealing convex tooth (33) is arranged on the inner circle end face of the front gland (3), the front gland sealing convex tooth (33) is embedded in the front locking nut lower pairing groove (53), a labyrinth sealing structure is formed, a front gland (3) is radially provided with a front gland air passage (31), and the front gland air passage (31) is in, The engine body compressed air gas circuit (91) is communicated, the front inner blocking cover (4) is fixed on the front gland (3), the dustproof cover (2) is fixed on the front gland (3) and completely blocks the front inner blocking cover (4) and the front locking nut (5), and the inner thin-wall part of the front inner blocking cover (4) is installed in the matching groove (52) of the front locking nut (5) and forms a labyrinth ring with the front locking nut (5).
2. The electric spindle for opening the inner hole of the steel pipe according to claim 1, which is characterized in that: the bottom of the shaft core (1) is provided with a plurality of shaft core air outlet holes (102).
3. The electric spindle for opening the inner hole of the steel pipe according to claim 1, which is characterized in that: a dust cover drain groove (21) is arranged under the dust cover (2).
4. The electric spindle for opening the inner hole of the steel pipe according to claim 1, which is characterized in that: the front inner baffle cover (4) is formed by splicing two completely equal parts, and a front inner baffle cover rear discharge groove (41) and a front inner baffle cover front chip groove (42) are respectively arranged below the front inner baffle cover rear discharge groove and the front inner baffle cover front chip groove.
5. The electric spindle for opening the inner hole of the steel pipe according to claim 1, which is characterized in that: the front bearing (8) is composed of a plurality of bearing pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661120.0U CN210650166U (en) | 2019-10-07 | 2019-10-07 | Electric spindle for polishing inner hole of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661120.0U CN210650166U (en) | 2019-10-07 | 2019-10-07 | Electric spindle for polishing inner hole of steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210650166U true CN210650166U (en) | 2020-06-02 |
Family
ID=70837757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921661120.0U Active CN210650166U (en) | 2019-10-07 | 2019-10-07 | Electric spindle for polishing inner hole of steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210650166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524472A (en) * | 2021-07-28 | 2021-10-22 | 无锡阳光精机有限公司 | Bearing protection structure for photovoltaic section |
| CN114643534A (en) * | 2022-04-13 | 2022-06-21 | 无锡阳光精机股份有限公司 | High-speed electric spindle equipment for manufacturing high-end equipment |
-
2019
- 2019-10-07 CN CN201921661120.0U patent/CN210650166U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524472A (en) * | 2021-07-28 | 2021-10-22 | 无锡阳光精机有限公司 | Bearing protection structure for photovoltaic section |
| CN114643534A (en) * | 2022-04-13 | 2022-06-21 | 无锡阳光精机股份有限公司 | High-speed electric spindle equipment for manufacturing high-end equipment |
| CN114643534B (en) * | 2022-04-13 | 2024-03-29 | 无锡阳光精机股份有限公司 | High-speed motorized spindle equipment for manufacturing high-end equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214000 workshop, building B, No. 220, Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Wuxi sunshine Precision Machinery Co.,Ltd. Address before: 214100 room 2, zone B, Qinglongshan Industrial Park, No. 128, Qinglongshan, Wuxi, Jiangsu Patentee before: WUXI SUNSHINE PRECISION MACHINERY CO.,LTD. |
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| CP03 | Change of name, title or address |