CN201714954U - Cooling and lubricating device of main shaft component - Google Patents
Cooling and lubricating device of main shaft component Download PDFInfo
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- CN201714954U CN201714954U CN2010202602741U CN201020260274U CN201714954U CN 201714954 U CN201714954 U CN 201714954U CN 2010202602741 U CN2010202602741 U CN 2010202602741U CN 201020260274 U CN201020260274 U CN 201020260274U CN 201714954 U CN201714954 U CN 201714954U
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- cooling
- bearing
- main shaft
- lubricating device
- bearing support
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Abstract
The utility model provides a cooling and lubricating device of a main shaft component, which belongs to the technical field of machinery and solves the problem that the cooling and lubricating effects of the prior art are poor. The cooling and lubricating device of the main shaft component comprises a main shaft on which a bearing, a bearing housing and two end covers are sleeved, wherein the bearing is positioned between the two end covers; the bearing housing is sleeved on the bearing in a way that the two ends of the bearing are fixedly connected with the two end covers respectively; a closed cavity is formed among the bearing housing, the two end covers and the main shat; lubricating oil is arranged inside the cavity; a channel for allowing cooling medium to pass through is formed in the bearing housing; and the channel is annularly arranged with both the entrance and the exit communicating with the external environment. The lubrication of the bearing is independent from the integral cooling of the main shaft component, so as to improve the cooling effect of the main shaft component and ensure the work accuracy of the bearing. Besides, the consumption of high-grade oil is reduced to lower the cost.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of cooling and lubricating device, especially for the cooling and lubricating device of spindle unit.
Background technique
In some high precision apparatus, the thermal distortion meeting that causes because of the temperature rise of spindle unit influences machining accuracy, so the temperature rise of spindle unit must be able to strict control.Common control spindle unit method of temperature has non-circulating type flooding system lubrication cooling and direct current type circulation to cool off two kinds at present.
Spindle unit is made up of main shaft, bearing support, bearing, end cap etc. usually, and end cap is connected with main shaft with bearing support and forms a sealed hollow, and bearing is positioned at this cavity.When adopting non-circulating type flooding system lubrication cooling, fluid oil is set in cavity, bearing directly is immersed in the oil, fluid oil is lubricated bearing and main shaft and cools off, this type of cooling is because fluid oil is in the cavity always, so oil can heat up the weak effect of cooling gradually along with the rising of spindle unit temperature.When adopting direct current type circulation cooling, one end of cavity has filler opening, the other end has oil outlet, fluid oil in the cavity is in flowing state, the temperature that spindle unit produces is discharged with fluid oil, thereby can effectively play cooling and lubricated effect, but this type of cooling is because the loop of oil is long, annex is many, pipeline, pump, valve etc. pollute cooling medium easily, thereby influence the precision of bearing and even complete machine.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of precision that not only can guarantee spindle unit, and cooling effect a kind of cooling and lubricating device of spindle unit preferably.
The purpose of this utility model can realize by following technical proposal: a kind of cooling and lubricating device of spindle unit, comprise main shaft, be with bearing on the described main shaft, bearing support and two end caps, described bearing is between two end caps, fixedly connected with two end caps respectively in described bearing sleeve its two ends on bearing, described bearing support, form a sealed hollow between two end caps and the main shaft, it is characterized in that, be provided with lubricant oil in the described cavity, offer the passage that is used for the cooling medium circulation in the described bearing support, described passage is provided with in the form of a ring and the import and the outlet of passage all are in communication with the outside.
Lubricant oil in the utility model is used for bearing lubrication, and lubricant oil directly is not in communication with the outside in cavity, thereby in order to avoid impurity enters the precision that guarantees bearing.Passage is cast directly in the bearing support, circumferentially distributes around bearing support, and the cooling medium of the passage of flowing through is cooled off spindle units such as bearings fast by bearing support, the temperature rise of control spindle unit.
In the cooling and lubricating device of above-mentioned spindle unit, described passage from import to the outlet bending extension, in channel side to being provided with some convex edges.Channel bends is provided with, and makes through the cooling medium in the passage more to absorb the heat energy that spindle unit produces.
In the cooling and lubricating device of above-mentioned spindle unit, described inlet is provided with the inlet pipe joint, and described inlet pipe joint is by being threaded on the bearing support; Described outlet port is provided with out pipe joint, describedly goes out pipe joint by being threaded on the bearing support.Cooling medium enters into by the inlet pipe joint in the passage of bearing support, by going out the passage that pipe joint flows out bearing support.
In the cooling and lubricating device of above-mentioned spindle unit, described end cap is provided with the through hole one that is communicated with the import of passage, and above-mentioned inlet pipe joint passes through hole one and is connected to inlet; Described end cap is provided with the through hole two that is communicated with the outlet of passage, above-mentioned go out pipe joint and passes through hole two and be connected to the outlet port.With inlet pipe joint and go out the end that pipe joint is arranged on bearing support, the layout letter of whole setting is gathered, rationally.
In the cooling and lubricating device of above-mentioned spindle unit, described import and outlet are arranged on the same end of bearing support, being arranged on the same end cap of described through hole one and through hole two correspondences.This is provided with the outer circulation loop that makes things convenient for cooling medium and is provided with.
In the cooling and lubricating device of above-mentioned spindle unit, be provided with oil sealing between described end cap and the main shaft.Oil sealing is set makes formation sealing between end cap and the main shaft, avoid lubricant oil to flow out.
In the cooling and lubricating device of above-mentioned spindle unit, described end cap and bearing support are connected by screw.
In the cooling and lubricating device of above-mentioned spindle unit, described cooling medium is a kind of in cold oil or cooling water or the cold air.As preferably, select cold oil in the utility model for use.
In the cooling and lubricating device of above-mentioned spindle unit, be full of lubricant oil in the described cavity.This setting makes the bearing support lubrication effect better, and can make cooling medium cool off spindle unit fast.
Compared with prior art, the cooling and lubricating device of spindle unit of the present utility model is arranged the integral body cooling branch of the lubricated and spindle unit of bearing, be that bearing adopts non-circulating type by high-quality fluid oil flooding system lubrication, cooling selects for use the fluid oil of run-of-the-mill to realize by inner-cooled bearing support and outer circulation loop.This device makes spindle unit both reach favorable cooling effect, has guaranteed the operating accuracy of bearing again; Reduce the use of a large amount of oil of high quality simultaneously, reduced cost.
Description of drawings
Fig. 1 is the sectional view of the cooling and lubricating device of spindle unit of the present utility model.
Fig. 2 is the decomposition texture schematic representation of the cooling and lubricating device of spindle unit of the present utility model.
Fig. 3 is the distributed architecture schematic representation of the cooling and lubricating device bottom bracket inner passage of spindle unit of the present utility model.
Among the figure, 1, main shaft; 2, bearing; 3, bearing support; 31, tapped hole; 4, end cap; 41, through hole one; 42, through hole two; 43, penetration hole; 5, cavity; 6, passage; 61, import; 62, outlet; 63, convex edge; 7, inlet pipe joint; 8, go out pipe joint; 9, oil sealing; 10, screw.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As Fig. 1, Fig. 2 and shown in Figure 3, the cooling and lubricating device of main shaft 1 parts of the present utility model comprises main shaft 1, bearing support 3, two bearings 2, two oil sealings 9, two end caps 4, inlet pipe joints 7, goes out pipe joint 8 and screw 10.
Two bearings 2 are enclosed within on the main shaft 1, and bearing support 3 is enclosed within on two bearings 2, and the inner ring of bearing 2 and main shaft 1 are connected, and outer ring and bearing support 3 are connected.Two end caps 4 are enclosed within on the main shaft 1 and are separately positioned on the two ends of bearing support 3, and corresponding tapped hole 31 places are provided with penetration hole 43 on end cap 4, and corresponding import 61 places offer through hole 1, and corresponding outlet 62 places offer through hole 2 42.Screw 10 passes tapped hole 31 places that penetration hole 43 is connected bearing support 3, thereby end cap 4 is fixedlyed connected with bearing support 3.Inlet pipe joint 7 passes through hole 1 and is arranged in the import 61 and by screw thread and bearing support 3 and is connected, and goes out pipe joint 8 and passes through hole 2 42 to be arranged on outlet 62 interior and be connected by screw thread and bearing support 3.Thereby oil sealing 9 be enclosed within on the main shaft 1 and be arranged on main shaft 1 and end cap 4 between form sealing.
Be connected to form the cavity 5 of a sealing between main shaft 1 of the present utility model, bearing support 3 and two end caps 4, in cavity 5, be full of high-quality lubricant oil and be used for lubricating bearings 2, the cavity of being arranged to seal 5, avoiding introduced contaminants to enter cavity 5 influences bearing 2 runnings, thereby influences the precision of whole main shaft 1 parts.During the work of main shaft 1 parts, inlet pipe joint 7 with go out pipe joint 8 and outer circulation circuit communication, the passage 6 of cold oil from inlet pipe joint 7 along bending flows to out pipe joint 8, oil in the passage 6 is in the state of circulation always, thereby temperature and oil that main shaft 1 parts produce can be discharged together, cooling effect is better.Cold oil is arranged because be used for the passage 6 of cold oil circulation and the lubricated branch of bearing 2, so can select for use the relatively poor relatively fluid oil of quality to reduce actual cost.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used main shaft 1, bearing 2, bearing support 3, tapped hole 31, end cap 4, through hole 1, through hole 2 42, penetration hole 43, cavity 5, passage 6, import 61, outlet 62, convex edge 63, inlet pipe joint 7, gone out terms such as pipe joint 8, oil sealing 9, screw 10 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (8)
1. the cooling and lubricating device of a spindle unit, comprise main shaft (1), be with bearing (2) on the described main shaft (1), bearing support (3) and two end caps (4), described bearing (2) is positioned between two end caps (4), described bearing support (3) is enclosed within bearing (2) and upward fixedlys connected with two end caps (4) respectively at its two ends, described bearing support (3), form a sealed hollow (5) between two end caps (4) and the main shaft (1), it is characterized in that, described cavity is provided with lubricant oil in (5), offer the passage (6) that is used for the cooling medium circulation in the described bearing support (3), described passage (6) is provided with in the form of a ring and the import (61) and the outlet (62) of passage (6) all are in communication with the outside.
2. the cooling and lubricating device of spindle unit according to claim 1 is characterized in that, described passage (6) to outlet (62) bending extension, is provided with some convex edges (63) in passage (6) side direction from import (61).
3. the cooling and lubricating device of spindle unit according to claim 1 and 2 is characterized in that, described import (61) locates to be provided with inlet pipe joint (7), and described inlet pipe joint (7) is by being threaded on the bearing support (3); Described outlet (62) locates to be provided with out pipe joint (8), describedly goes out pipe joint (8) by being threaded on the bearing support (3).
4. the cooling and lubricating device of spindle unit according to claim 3, it is characterized in that, described end cap (4) is provided with the through hole one (41) that is communicated with the import (61) of passage (6), and above-mentioned inlet pipe joint (7) passes through hole one (41) and is connected to import (61) and locates; Described end cap (4) is provided with the through hole two (42) that is communicated with the outlet (62) of passage (6), above-mentioned go out pipe joint (8) and passes through hole two (42) and be connected to outlet (62) and locate.
5. the cooling and lubricating device of spindle unit according to claim 4, it is characterized in that, described import (61) and outlet (62) are arranged on the same end of bearing support (3), described through hole one (41) and through hole two (42) corresponding being arranged on the same end cap (4).
6. the cooling and lubricating device of spindle unit according to claim 1 and 2 is characterized in that, is provided with oil sealing (9) between described end cap (4) and the main shaft (1).
7. the cooling and lubricating device of spindle unit according to claim 1 and 2 is characterized in that, described end cap (4) is connected by screw with bearing support (3).
8. the cooling and lubricating device of spindle unit according to claim 1 and 2 is characterized in that, described cooling medium is a kind of in cold oil or cooling water or the cold air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202602741U CN201714954U (en) | 2010-07-16 | 2010-07-16 | Cooling and lubricating device of main shaft component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202602741U CN201714954U (en) | 2010-07-16 | 2010-07-16 | Cooling and lubricating device of main shaft component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714954U true CN201714954U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202602741U Expired - Fee Related CN201714954U (en) | 2010-07-16 | 2010-07-16 | Cooling and lubricating device of main shaft component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201714954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302317A (en) * | 2013-06-17 | 2013-09-18 | 宜昌长机科技有限责任公司 | Self-lubrication cooled type gear shaper spindle structure |
-
2010
- 2010-07-16 CN CN2010202602741U patent/CN201714954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302317A (en) * | 2013-06-17 | 2013-09-18 | 宜昌长机科技有限责任公司 | Self-lubrication cooled type gear shaper spindle structure |
| CN103302317B (en) * | 2013-06-17 | 2017-11-10 | 宜昌长机科技有限责任公司 | A kind of self-lubricate cooled main axis of gear shaper structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LI AN MACHINERY ELECTRONIC CO., LTD. Free format text: FORMER OWNER: TAIZHOU VOCATIONAL TECHNOLOGY COLLEGE Effective date: 20111202 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 318000 TAIZHOU, ZHEJIANG PROVINCE TO: 318050 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111202 Address after: Luqiao Tongyu street small thick Village in Taizhou city Zhejiang province 318050 Patentee after: Taizhou Li An Machinery & Electronic Co.,Ltd. Address before: 318000 School of mechanical and electrical engineering, Taizhou Vocational and Technical College, Jiaojiang 788, Taizhou, Zhejiang Patentee before: Taizhou Vocational & Technical College |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20130716 |