CN201940618U - Direct-driving electric spindle of lathe - Google Patents
Direct-driving electric spindle of lathe Download PDFInfo
- Publication number
- CN201940618U CN201940618U CN2011200552916U CN201120055291U CN201940618U CN 201940618 U CN201940618 U CN 201940618U CN 2011200552916 U CN2011200552916 U CN 2011200552916U CN 201120055291 U CN201120055291 U CN 201120055291U CN 201940618 U CN201940618 U CN 201940618U
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- main shaft
- heat radiation
- bearing
- assembly
- fore bearing
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Abstract
The utility model discloses a direct-driving electric spindle of a lathe, which comprises a spindle, a rotor, a stator, a case, a front bearing component and a rear bearing component. The spindle is supported on the case by the aid of the front bearing component and the rear bearing component, the rotor is assembled in the middle of the spindle, the stator is hollowly sleeved on the outside of the rotor, a radiating sleeve is assembled in the case, the stator is fixed into the radiating sleeve, and the front bearing component is sleeved at the front end of the radiating sleeve via a linear bearing. The direct-driving electric spindle of a lathe has the advantages of simple and compact structure, convenience in assembly and maintenance and easiness in guaranteeing repeated assembly precision.
Description
Technical field
The utility model relates to the lathe spindle structure, relates in particular to lathe and directly drives electric main shaft.
Background technology
Existing lathe spindle adopts belt transmission structure more, and it takes up room greatly, and complex structure vibrates when rotating at a high speed greatly, the noise height, and machining accuracy is affected.The minority lathe spindle adopts electric main axle structure, and traditional lathe electricity main shaft sleeve radial dimension on the one hand is difficult to dwindle, and can't directly put into spindle stock, needs to be equipped with special refrigeration system and fuel tank (or water tank) on the other hand, and it takes up room greatly; Particularly importantly, change bearing and maintenance inconvenience, in case maintenance is ressembled, original location benchmark forfeiture, axiality can't guarantee that product maintenance precision is difficult to guarantee, the rotating accuracy of the electric main shaft in maintenance back significantly reduces, so the user is difficult to accept, and is difficult to promote on market.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of simple and compact for structure, be convenient to assemble, easy to maintenance, be easy to guarantee that the lathe that repeats assembly precision directly drives electric main shaft.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of lathe directly drives electric main shaft, comprise main shaft, rotor, stator, casing, fore bearing assembly and rear bearing assembly, described main shaft is supported on the casing by fore bearing assembly and rear bearing assembly, described rotor is installed in the main shaft middle part, described stator is placed in outside the described rotor, be equiped with the heat radiation sleeve in the described casing, described stator is fixed in the heat radiation sleeve, and described fore bearing assembly is set in the heat radiation barrel forward end by linear bearing.
Described fore bearing assembly comprises front-end bearing pedestal, fore bearing group, front-end bearing pedestal end cap and fore bearing locating ring assembly, described front-end bearing pedestal is sheathed on the heat radiation barrel forward end by linear bearing and is connected and fixed by flange and heat radiation sleeve, described front-end bearing pedestal end cap is installed in the front-end bearing pedestal front end, described fore bearing locating ring assembly is installed in the front-end bearing pedestal rear end, and described fore bearing group is supported between front-end bearing pedestal and the main shaft, and by front-end bearing pedestal end cap and fore bearing locating ring assembly axial location.
Described fore bearing locating ring assembly comprises inner ring locating ring, inner ring positioning and locking nut and outer ring locating ring, described outer ring locating ring is fixed in described front-end bearing pedestal rear end and to the outer ring axial location of fore bearing group rear end, described inner ring locating ring is sheathed on the main shaft, described inner ring positioning and locking nut is connected with spindle thread, the inner ring of described inner ring locating ring one end and described fore bearing group rear end joins, and the other end is by inner ring positioning and locking nut check location.
Be provided with the heat radiation chamber between described casing and the heat radiation sleeve, be equiped with the fan that communicates with described heat radiation chamber on the described casing.
Described heat radiation sleeve outer peripheral face is provided with fin.
Compared with prior art, advantage of the present utility model is:
Lathe of the present utility model directly drives electric main shaft, and the fore bearing assembly is set in the heat radiation barrel forward end by linear bearing, helps rotor shafting components integral body is inserted in casing from front end backward, is convenient to assembling; During the maintain and replace bearing, can be easily with the whole taking-up of rotor axial system part, maintenance process is good, has solved the difficult problem that existing electric spindle of lathe is not easy to keep in repair; Particularly importantly, this linear bearing shift sleeve structure can guarantee the axiality of front-end bearing pedestal endoporus axle center when fore bearing is packed into and heat radiation sleeve endoporus, the precision height that repeats to assemble.At casing and heat radiation the heat radiation chamber is set between the sleeve, and the fan that communicates with the heat radiation chamber is installed on casing, the fin of heat on the heat radiation sleeve is dispersed in the heat radiation chamber, takes away the air-cooled structure of realization electric spindle of lathe by the heat that fan will dispel the heat in the chamber; Owing to avoided the employing water-cooling structure, saved water tank and refrigeration system, reduced manufacturing cost, reduced lathe and taken up room; Owing to do not need cooling jackets such as built-in helicla flute, reduced the radial dimension of electric spindle of lathe, be convenient to it is directly put into spindle stock.
Description of drawings
Fig. 1 is a main cutaway view of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is that the B of Fig. 2 is to view.
Each label is represented among the figure:
1, main shaft; 2, rotor; 3, stator; 4, casing; 5, fore bearing assembly; 6, rear bearing assembly; 7, heat radiation sleeve; 8, linear bearing; 9, heat radiation chamber; 10, fan; 51, front-end bearing pedestal; 52, fore bearing group; 53, front-end bearing pedestal end cap; 54, fore bearing locating ring assembly; 71, fin; 541, inner ring locating ring; 542, inner ring positioning and locking nut; 543, outer ring locating ring.
The specific embodiment
Fig. 1 to Fig. 3 shows a kind of lathe of the present utility model and directly drives electric main shaft embodiment, it comprises main shaft 1, rotor 2, stator 3, casing 4, fore bearing assembly 5 and rear bearing assembly 6, main shaft 1 is supported on the casing 4 by fore bearing assembly 5 and rear bearing assembly 6, rotor 2 is installed in main shaft 1 middle part, stator 3 is placed in outside the rotor 2, be equiped with heat radiation sleeve 7 in the casing 4, stator 3 is fixed in the heat radiation sleeve 7, fore bearing assembly 5 is set in heat radiation sleeve 7 front ends by linear bearing 8, help rotor shafting components integral body is inserted in casing 4 from front end backward, be convenient to assembling; During the maintain and replace bearing, can be easily with the whole taking-up of rotor axial system part, maintenance process is good, has solved the difficult problem that existing electric spindle of lathe is not easy to keep in repair.
In the present embodiment, fore bearing assembly 5 comprises front-end bearing pedestal 51, fore bearing group 52, front-end bearing pedestal end cap 53 and fore bearing locating ring assembly 54, front-end bearing pedestal 51 is sheathed on heat radiation sleeve 7 front ends by linear bearing 8 and is connected and fixed by flange and heat radiation sleeve 7, this linear bearing shift sleeve structure, can guarantee front-end bearing pedestal 51 when fore bearing is packed into endoporus and the heat radiation sleeve 7 endoporus between axiality, the precision height that repeats to assemble; Front-end bearing pedestal end cap 53 is installed in front-end bearing pedestal 51 front ends, fore bearing locating ring assembly 54 is installed in front-end bearing pedestal 51 rear ends, and fore bearing group 52 is supported between front-end bearing pedestal 51 and the main shaft 1, and by front-end bearing pedestal end cap 53 and fore bearing locating ring assembly 54 axial location.Fore bearing locating ring assembly 54 comprises inner ring locating ring 541, inner ring positioning and locking nut 542 and outer ring locating ring 543, outer ring locating ring 543 is fixed in front-end bearing pedestal 51 rear ends and to the outer ring axial location of fore bearing group 52 rear ends, inner ring locating ring 541 is sheathed on the main shaft 1, inner ring positioning and locking nut 542 is threaded with main shaft 1, the inner ring of inner ring locating ring 541 1 ends and fore bearing group 52 rear ends joins, and the other end is by inner ring positioning and locking nut 542 locking positionings.
In the present embodiment, be provided with heat radiation chamber 9 between casing 4 and the heat radiation sleeve 7, be equiped with the fan 10 that communicates with the chamber 9 of dispelling the heat on the casing 4, heat radiation sleeve 7 outer peripheral faces are provided with fin 71, the fin 71 of heat on heat radiation sleeve 7 is dispersed in the heat radiation chamber 9, take away by the heat that fan 10 will dispel the heat in the chamber 9, realize the air-cooled structure of electric spindle of lathe; Owing to avoided the employing water-cooling structure, saved water tank and refrigeration system, reduced manufacturing cost, reduced lathe and taken up room; Owing to do not need cooling jackets such as built-in helicla flute, reduced the radial dimension of electric spindle of lathe, be convenient to it is directly put into spindle stock.
Above-mentioned is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, under the situation that does not break away from the technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all should drop in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (5)
1. a lathe directly drives electric main shaft, comprise main shaft (1), rotor (2), stator (3), casing (4), fore bearing assembly (5) and rear bearing assembly (6), described main shaft (1) is supported on the casing (4) by fore bearing assembly (5) and rear bearing assembly (6), described rotor (2) is installed in main shaft (1) middle part, described stator (3) is placed in outside the described rotor (2), it is characterized in that: be equiped with heat radiation sleeve (7) in the described casing (4), described stator (3) is fixed in the heat radiation sleeve (7), and described fore bearing assembly (5) is set in heat radiation sleeve (7) front end by linear bearing (8).
2. lathe according to claim 1 directly drives electric main shaft, it is characterized in that: described fore bearing assembly (5) comprises front-end bearing pedestal (51), fore bearing group (52), front-end bearing pedestal end cap (53) and fore bearing locating ring assembly (54), described front-end bearing pedestal (51) is sheathed on heat radiation sleeve (7) front end by linear bearing (8), and by flange with the heat radiation sleeve (7) be connected and fixed, described front-end bearing pedestal end cap (53) is installed in front-end bearing pedestal (51) front end, described fore bearing locating ring assembly (54) is installed in front-end bearing pedestal (51) rear end, and described fore bearing group (52) is supported between front-end bearing pedestal (51) and the main shaft (1), and by front-end bearing pedestal end cap (53) and fore bearing locating ring assembly (54) axial location.
3. lathe according to claim 2 directly drives electric main shaft, it is characterized in that: described fore bearing locating ring assembly (54) comprises inner ring locating ring (541), inner ring positioning and locking nut (542) and outer ring locating ring (543), described outer ring locating ring (543) is fixed in described front-end bearing pedestal (51) rear end, and to the outer ring axial location of fore bearing group (52) rear end, described inner ring locating ring (541) is sheathed on the main shaft (1), described inner ring positioning and locking nut (542) is threaded with main shaft (1), the inner ring of described inner ring locating ring (541) one ends and described fore bearing group (52) rear end joins, and the other end is by inner ring positioning and locking nut (542) locking positioning.
4. directly drive electric main shaft according to each described lathe in the claim 1 to 3, it is characterized in that: be provided with heat radiation chamber (9) between described casing (4) and the heat radiation sleeve (7), be equiped with the fan (10) that communicates with described heat radiation chamber (9) on the described casing (4).
5. lathe according to claim 4 directly drives electric main shaft, it is characterized in that: described heat radiation sleeve (7) outer peripheral face is provided with fin (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200552916U CN201940618U (en) | 2011-03-04 | 2011-03-04 | Direct-driving electric spindle of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200552916U CN201940618U (en) | 2011-03-04 | 2011-03-04 | Direct-driving electric spindle of lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201940618U true CN201940618U (en) | 2011-08-24 |
Family
ID=44467969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200552916U Expired - Lifetime CN201940618U (en) | 2011-03-04 | 2011-03-04 | Direct-driving electric spindle of lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201940618U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126030A (en) * | 2011-03-04 | 2011-07-20 | 昆山森力玛电机有限公司 | Direct-drive motorized spindle of lathe |
| CN102825466A (en) * | 2012-09-07 | 2012-12-19 | 中国人民解放军装甲兵工程学院 | Reconfigurable machine tool-based bore outer circle-grinding and end-milling combined machining unit |
| CN104741633A (en) * | 2015-03-27 | 2015-07-01 | 东南大学 | Self-locking assembling device for spindle motor rotor |
| CN105772749A (en) * | 2016-05-26 | 2016-07-20 | 南昌市新通新发实业有限公司 | Integrated machine tool headstock |
| CN107710564A (en) * | 2016-06-07 | 2018-02-16 | 三菱电机株式会社 | Electric rotating machine cooling device |
| CN108372317A (en) * | 2018-04-03 | 2018-08-07 | 台州屹捷数控机床有限公司 | Electro spindle is driven in one kind |
| CN109623482A (en) * | 2018-12-25 | 2019-04-16 | 天津市华天世纪机械有限公司 | A kind of borehole drill construction with milling machine axis cooling device |
| CN110666194A (en) * | 2019-11-15 | 2020-01-10 | 厦门欣同翔数控科技有限公司 | Electric spindle |
| CN111151771A (en) * | 2020-01-21 | 2020-05-15 | 广州市昊志机电股份有限公司 | Electric spindle cooled by clamping |
| CN114434323A (en) * | 2021-12-31 | 2022-05-06 | 南京理工大学 | High-rigidity numerical control grinding wheel dressing electric spindle |
-
2011
- 2011-03-04 CN CN2011200552916U patent/CN201940618U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126030B (en) * | 2011-03-04 | 2013-04-03 | 昆山森力玛电机有限公司 | Direct-drive motorized spindle of lathe |
| CN102126030A (en) * | 2011-03-04 | 2011-07-20 | 昆山森力玛电机有限公司 | Direct-drive motorized spindle of lathe |
| CN102825466B (en) * | 2012-09-07 | 2015-08-05 | 中国人民解放军装甲兵工程学院 | A kind of inside and outside circle grinding end milling complex machining device based on reconfigurable lathe |
| CN102825466A (en) * | 2012-09-07 | 2012-12-19 | 中国人民解放军装甲兵工程学院 | Reconfigurable machine tool-based bore outer circle-grinding and end-milling combined machining unit |
| CN104741633B (en) * | 2015-03-27 | 2017-03-01 | 东南大学 | A kind of spindle motor rotor self-locking type assembles device |
| CN104741633A (en) * | 2015-03-27 | 2015-07-01 | 东南大学 | Self-locking assembling device for spindle motor rotor |
| CN105772749A (en) * | 2016-05-26 | 2016-07-20 | 南昌市新通新发实业有限公司 | Integrated machine tool headstock |
| CN107710564A (en) * | 2016-06-07 | 2018-02-16 | 三菱电机株式会社 | Electric rotating machine cooling device |
| CN108372317A (en) * | 2018-04-03 | 2018-08-07 | 台州屹捷数控机床有限公司 | Electro spindle is driven in one kind |
| CN109623482A (en) * | 2018-12-25 | 2019-04-16 | 天津市华天世纪机械有限公司 | A kind of borehole drill construction with milling machine axis cooling device |
| CN110666194A (en) * | 2019-11-15 | 2020-01-10 | 厦门欣同翔数控科技有限公司 | Electric spindle |
| CN111151771A (en) * | 2020-01-21 | 2020-05-15 | 广州市昊志机电股份有限公司 | Electric spindle cooled by clamping |
| WO2021147640A1 (en) * | 2020-01-21 | 2021-07-29 | 广州市昊志机电股份有限公司 | Electric spindle cooled using clamp |
| CN114434323A (en) * | 2021-12-31 | 2022-05-06 | 南京理工大学 | High-rigidity numerical control grinding wheel dressing electric spindle |
| CN114434323B (en) * | 2021-12-31 | 2023-08-18 | 南京理工大学 | High-rigidity numerical control grinding wheel dressing motorized spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110824 Effective date of abandoning: 20130403 |
|
| RGAV | Abandon patent right to avoid regrant |