CN201126992Y - Empty water double cold electric main axle - Google Patents
Empty water double cold electric main axle Download PDFInfo
- Publication number
- CN201126992Y CN201126992Y CNU2007201583012U CN200720158301U CN201126992Y CN 201126992 Y CN201126992 Y CN 201126992Y CN U2007201583012 U CNU2007201583012 U CN U2007201583012U CN 200720158301 U CN200720158301 U CN 200720158301U CN 201126992 Y CN201126992 Y CN 201126992Y
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- main shaft
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Abstract
A hollow water double refrigeration electric main shaft relates to an air gate, a bearing, a bearing seat, a motor stator, an outer water cover, a motor rotor, a cold blast passage, a bearing preloading spring, a sliding base, a water outlet, a water cooling machine, an air inlet, a filter, an air-conditioner, a water inlet hole and a front sealing cover. An end of the main shaft is provided with a front bearing and another end a rear bearing. The front bearing is provided with a front sealing cover at front and an air gate is arranged between the front sealing cover and the front bearing. The motor rotor is arranged in outer side of the main shaft in the casing of the middle section. The motor rotor is provided with a motor stator on the outer side. The motor stator is provided with the outer water cover. The cold blast passage is arranged between the main shaft and the motor rotor. The bearing preloading spring is arranged in an end of the rear bearing seat adjacent to the motor rotor. The sliding base is arranged on the outer side of the rear bearing seat. In the casing of the main shaft in the rear end, the water cooling machine is arranged on one side and the air-conditioner and the filter are arranged on another side. The utility model is simple in structure, adopting the double cooling structure. The utility model has the work stability that is good and accuracy that is high and is convenient to operate and use.
Description
Technical field:
The utility model relates to the functional part of high-speed, high precision lathe, relates in particular to the two cold electric main shafts of sky water.
Background technology:
Temperature rise is a leading indicator of electric main shaft, and the thermal source of electric main shaft mainly contains the heat that motor stator, rotor and bearing produce.If heat can not in time be discharged, will cause temperature rise.According to prior art, the heat radiation of electricity main shaft mainly is that the outer wall at electric main shaft adds cooling bath, by coolant the outside is cooled off, and the inside of electric main shaft can not directly be cooled off, often cause that heat can not in time shed in the electric main shaft, main shaft will temperature rise, causes the main shaft elongation, the precision of influence processing is serious even may cause bearing running hot and burn out.
The utility model content:
The purpose of this utility model is, overcomes the deficiencies in the prior art part, provides a kind of empty water two cold electric main shafts, implements heat radiation with two kinds of heat eliminating mediums of empty G﹠W, good heat dissipation effect, and equipment is reliable and stable.
The two cold electric main shafts of empty water described in the utility model, include cold air duct, venthole, fore bearing, bearing pedestal, motor stator, rotor, bearing pre-tightened spring, sliding sleeve, rear bearing, apopore, water chiller, air admission hole, filter, air conditioner, advance cold air hole, inlet opening, cold air duct, outer water jacket and preceding seal cover form, said main shaft is a main component of the present utility model, end at main shaft is provided with fore bearing, and the outside of fore bearing is provided with bearing pedestal.The other end at main shaft is provided with rear bearing, and the outside of rear bearing is a rear bearing block.Be provided with preceding seal cover in the front of fore bearing, between preceding seal cover and fore bearing, be provided with venthole.Outside at the housing inner main axis of main shaft middle position is provided with rotor, and the outside of rotor is provided with motor stator, and water jacket outside the outside of motor stator is provided with again is provided with cold air duct between main shaft and the rotor.At a rear bearing block end adjacent with motor stator, be provided with the bearing pre-tightened spring, the outside of rear bearing block is a sliding sleeve.In the housing of rear-end of spindle, a side is provided with water chiller, and opposite side is provided with air conditioner and filter.Corresponding water chiller is provided with apopore, in the housing of corresponding air conditioner one side, is provided with into cold air hole and inlet opening.Filter is arranged on the outer end of air conditioner, and the outer end of filter is provided with air admission hole.After the cold air that air admission hole enters filters through filter, enter air conditioner, enter cold air duct by advancing cold air hole again, circulation heat radiation in housing of the present utility model.The two cold electric main shafts of empty water described in the utility model, outside being provided with, cool off in the water channel, also in rotor and bearing pedestal, be provided with a cold air duct, the compression cold air of cleaning is imported from the main shaft rear portion, directly cool off the rearward end of stator coil, cooling air channel cooling motor rotor in rotor then, the leading section of cooling stator coil, to the preceding seal cover ejection of fore bearing front end, be about to rotor, bearing and winding overhang and inner heat are taken out of, keep internal temperature constant, therefore improved the useful life of electric spindle motor and bearing and the stability of main shaft precision.Also be to have kept a zone of positive pressure in the inside of electric main shaft simultaneously, can prevent that extraneous sordid material from entering, this also is the self-protection performance that has increased electric main shaft.
The two cold electric main shafts of empty water described in the utility model, overall structure is simple, adopts the structure of two coolings, can guarantee that internal temperature is stable, has therefore also just improved the useful life of electric spindle motor and bearing and the stability of main shaft precision.So good operating stability of the present utility model, precision height, handled easily and use.
Description of drawings:
Accompanying drawing is the structural representation of the two cold electric main shafts of empty water described in the utility model.1-main shaft, 2-venthole, 3-fore bearing, 4-bearing pedestal, 5-motor stator 6-outer water jacket 7-rotor 8-cold air duct 9-bearing pre-tightened spring 10-sliding sleeve 11-rear bearing 12-apopore 13-water chiller 14-air admission hole 15-filter 16--air conditioner 17-advance cold air hole 18-inlet opening 19-preceding seal cover
Embodiment:
Referring now to accompanying drawing, be described as follows in conjunction with the embodiments: the two cold electric main shafts of empty water described in the utility model, include main shaft 1, venthole 2, bearing 3, bearing pedestal 4, motor stator 5, outer water jacket 6, rotor 7, cold air duct 8, bearing pre-tightened spring 9, sliding sleeve 10, rear bearing 11, apopore 12, water chiller 13, air admission hole 14, filter 15, air conditioner 16, advance cold air hole 17, inlet opening 18 and preceding seal cover 19 are formed, said main shaft 1 is a main component of the present utility model, end at main shaft 1 is provided with fore bearing 3, and the outside of fore bearing 3 is provided with bearing pedestal 4.The other end at main shaft 1 is provided with rear bearing 11, and the outside of rear bearing 11 is rear bearing blocks.Seal cover 19 before the front of fore bearing 3 is provided with, and are provided with venthole 2 between preceding seal cover 19 and fore bearing 3.Outside at the housing inner main axis 1 of main shaft 1 middle position is provided with rotor 7, and the outside of rotor 7 is provided with motor stator 5, and water jacket 6 outside the outside of motor stator 5 is provided with again is provided with cold air duct 8 between main shaft 1 and the rotor 7.At the adjacent end of rear bearing block and motor stator 5, be provided with bearing pre-tightened spring 9, the outside of rear bearing block is a sliding sleeve 10.In the housing of main shaft 1 rear end, a side is provided with water chiller 13, and opposite side is provided with air conditioner 16 and filter 15.Corresponding water chiller 13 is provided with apopore 12, in the housing of corresponding air conditioner 16 1 sides, is provided with into cold air hole 17 and inlet opening 18.Filter 15 is arranged on the outer end of air conditioner 16, and the outer end of filter 15 is provided with air admission hole 14.After the cold air that air admission hole 14 enters filters through filter 15, enter air conditioner 16, enter cold air duct 8 by advancing cold air hole 17 again, circulation heat radiation in housing of the present utility model.The two cold electric main shafts of empty water described in the utility model, outside being provided with, cool off in the water channel, also in rotor 7 and bearing pedestal 4, be provided with a cold air duct 8, the compression cold air of cleaning is imported from main shaft 1 rear portion, directly cool off the rearward end of stator coil, cooling air channel cooling motor rotor 7 in rotor 7 then, the leading section of cooling stator coil, to preceding seal cover 19 ejections of fore bearing 3 front ends, be about to rotor 7, the bearing at main shaft two ends and winding overhang and inner heat are taken out of, keep internal temperature constant, therefore improved the useful life of electric spindle motor and bearing and the stability of main shaft precision.Also be to have kept a zone of positive pressure in the inside of electric main shaft simultaneously, can prevent that extraneous sordid material from entering, this also is the self-protection performance that has increased electric main shaft.The two cold electric main shafts of empty water described in the utility model, overall structure is simple, adopts the structure of two coolings, can guarantee that internal temperature is stable, has therefore also just improved the useful life of electric spindle motor and bearing and the stability of main shaft precision.So good operating stability of the present utility model, precision height, handled easily and use.
Claims (3)
1, the two cold electric main shafts of empty water is characterized in that an end of main shaft (1) is provided with fore bearing (3), are provided with bearing pedestal (4) in the outside of fore bearing (3); The other end of main shaft (1) is provided with rear bearing (11), and the outside of rear bearing (11) is a rear bearing block; The front of fore bearing (3) is provided with preceding seal cover (19), is provided with venthole (2) between preceding seal cover (19) and fore bearing (3); Outside at the housing inner main axis (1) of main shaft (1) middle position, be provided with rotor (7), the outside of rotor (7) is provided with motor stator (5), water jacket (6) outside the outside of motor stator (5) is provided with again is provided with cold air duct (8) between main shaft (1) and the rotor (7).
2, the two cold electric main shafts of empty water according to claim 1 is characterized in that being provided with bearing pre-tightened spring (9) at a rear bearing block end adjacent with motor stator (5), and the outside of rear bearing block is sliding sleeve (10).
3, the two cold electric main shafts of empty water according to claim 1 is characterized in that in the housing of main shaft (1) rear end, a side is provided with water chiller (13), and opposite side is provided with air conditioner (16) and filter (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201583012U CN201126992Y (en) | 2007-11-28 | 2007-11-28 | Empty water double cold electric main axle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201583012U CN201126992Y (en) | 2007-11-28 | 2007-11-28 | Empty water double cold electric main axle |
Publications (1)
Publication Number | Publication Date |
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CN201126992Y true CN201126992Y (en) | 2008-10-01 |
Family
ID=40000456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007201583012U Expired - Fee Related CN201126992Y (en) | 2007-11-28 | 2007-11-28 | Empty water double cold electric main axle |
Country Status (1)
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CN (1) | CN201126992Y (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101524855B (en) * | 2009-01-24 | 2011-01-05 | 国家***北京林业机械研究所 | High-speed automatic tool changing electrical spindle cooling structure |
CN103213029A (en) * | 2013-04-03 | 2013-07-24 | 宝鸡忠诚机床股份有限公司 | Cooling method of electric spindle for high-speed turning center, and internal and external cooled electric spindle |
CN108115153A (en) * | 2017-12-20 | 2018-06-05 | 玉林市超伦再生资源有限公司 | A kind of air cooling electro spindle machine |
CN108776458A (en) * | 2018-09-12 | 2018-11-09 | 盐城巽为科技有限公司 | Numerically controlled lathe device for monitoring temperature based on the law of thermodynamics |
CN111113143A (en) * | 2019-12-20 | 2020-05-08 | 珠海格力电器股份有限公司 | Cooling system, electric spindle and numerical control machine tool |
CN114054786A (en) * | 2021-11-29 | 2022-02-18 | 广州市昊志机电股份有限公司 | Electric spindle and machine tool |
-
2007
- 2007-11-28 CN CNU2007201583012U patent/CN201126992Y/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101524855B (en) * | 2009-01-24 | 2011-01-05 | 国家***北京林业机械研究所 | High-speed automatic tool changing electrical spindle cooling structure |
CN103213029A (en) * | 2013-04-03 | 2013-07-24 | 宝鸡忠诚机床股份有限公司 | Cooling method of electric spindle for high-speed turning center, and internal and external cooled electric spindle |
CN103213029B (en) * | 2013-04-03 | 2016-08-03 | 宝鸡忠诚机床股份有限公司 | A kind of high-speed turning center electro spindle cooling means and inside and outside cooling electro spindle |
CN108115153A (en) * | 2017-12-20 | 2018-06-05 | 玉林市超伦再生资源有限公司 | A kind of air cooling electro spindle machine |
CN108776458A (en) * | 2018-09-12 | 2018-11-09 | 盐城巽为科技有限公司 | Numerically controlled lathe device for monitoring temperature based on the law of thermodynamics |
CN108776458B (en) * | 2018-09-12 | 2019-03-15 | 盐城巽为科技有限公司 | Numerically controlled lathe device for monitoring temperature based on the law of thermodynamics |
CN111113143A (en) * | 2019-12-20 | 2020-05-08 | 珠海格力电器股份有限公司 | Cooling system, electric spindle and numerical control machine tool |
CN111113143B (en) * | 2019-12-20 | 2021-03-19 | 珠海格力电器股份有限公司 | Cooling system, electric spindle and numerical control machine tool |
CN114054786A (en) * | 2021-11-29 | 2022-02-18 | 广州市昊志机电股份有限公司 | Electric spindle and machine tool |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20121128 |