CN205978076U - Air supporting thrust bearing structure that double -deck recirculated cooling water said - Google Patents
Air supporting thrust bearing structure that double -deck recirculated cooling water said Download PDFInfo
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- CN205978076U CN205978076U CN201620870821.5U CN201620870821U CN205978076U CN 205978076 U CN205978076 U CN 205978076U CN 201620870821 U CN201620870821 U CN 201620870821U CN 205978076 U CN205978076 U CN 205978076U
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- cooling water
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Abstract
The utility model discloses an air supporting thrust bearing structure that double -deck recirculated cooling water said, including the thrust bearing body, inside outer cooling water course and the inlayer cooling water course of being provided with of thrust bearing body, water inlet and delivery port have been offered to the upper surface of thrust bearing body, the water inlet feeds through with the end of intaking of skin cooling water course, and the outer play water end (W. E. ) that cools off the water course feeds through through the end of intaking of first radial water course with inlayer cooling water course, and the delivery port feeds through with the play water end (W. E. ) of inlayer cooling water course. The utility model discloses a double -deck circulative cooling structure on the prior art basis, reduces thrust bearing's the processing degree of difficulty and processing cost, and the heat that spindle motor produced is taken away to by freezing liquid that can be very big, improves the high -speed electric spindle processing performance of air supporting.
Description
Technical field
This utility model is related to machining equipment field, more particularly, it relates to a kind of dual-layer cycle cooling water channel
Air supporting thrust bearing, is mainly used in the thrust bearing part of air floated high speed electric mandrel.
Background technology
With the demand of economic development and technology rapid development, increasing new technique continues to bring out, mechanical processing industry
It is being a dark horse, especially the main shaft industry technology of position oneself at the forefront is innovated clearly.With high-power air supporting electricity at a high speed
The caloric value of main shaft increases, and the cooling structure of forcing of the performance of motor and bearing has become a new highlight of development.
The thrust bearing of existing air floated high speed electric mandrel in terms of cooling more than using no cooling structure or monolayer cooling structure,
Main shaft motor feels hot and frictional heat under the high-speed rotation liquid band that all cannot timely be cooled is walked, and main shaft can be caused overall
Temperature raises, and motor service life shortens, and cutter can be caused seriously to generate heat simultaneously, thus causing yields low, greatly shadow
Processing cost and the serviceability of electro spindle are rung, these defects have become the improved developing direction of thrust bearing.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, provides a kind of bilayer to follow
The air supporting thrust bearing of ring cooling water channel, using dual-layer cycle cooling structure, in prior art basis, reduces thrust axis
The difficulty of processing holding and processing cost, greatly can be taken away the heat of spindle motor generation, improve air supporting at a high speed by coolant
Electro spindle processing characteristics.
This utility model solves its technical problem and be employed technical scheme comprise that：A kind of dual-layer cycle cooling water channel is provided
Air supporting thrust bearing, including thrust bearing body, thrust bearing body interior is provided with outer layer cooling water channel and internal layer is cold
But water channel, the upper surface of thrust bearing body offers water inlet and outlet；Described water inlet is entered with outer layer cooling water channel
Water end (W.E.) connects, and the water side of outer layer cooling water channel is connected with the water inlet end of internal layer cooling water channel by the first radial direction water channel, described
Outlet is connected with the water side of internal layer cooling water channel.
Air supporting thrust bearing described in the utility model, wherein, described water inlet passes through the second radial direction water channel with outward
The water inlet end connection of layer cooling water channel, described outlet is connected with the water side of internal layer cooling water channel by the 3rd radial direction water channel.
Air supporting thrust bearing described in the utility model, wherein, described second radial direction water channel and the 3rd radial direction water channel
All run through the peripheral side wall of thrust bearing body, and sealed by plug respectively.
Air supporting thrust bearing described in the utility model, wherein, described thrust bearing body interior is provided with annular
Air flue, annular air channel is located between outer layer cooling water channel and internal layer cooling water channel, the upper surface of thrust bearing body offer into
QI KOU；Described air inlet is connected with annular air channel by radial direction air flue.
Air supporting thrust bearing described in the utility model, wherein, described radial direction air flue runs through thrust bearing body
Peripheral side wall, and sealed by plug.
Air supporting thrust bearing described in the utility model, wherein, between described annular air channel and outer layer cooling water channel
And all sealed using " O " shape sealing ring between annular air channel and internal layer cooling water channel, prevent aqueous vapor from communicating.
Air supporting thrust bearing described in the utility model, wherein, the upper surface of described thrust bearing body uniformly divides
It is furnished with multiple throttle orifices, throttle orifice is connected with air flue.
Air supporting thrust bearing described in the utility model, wherein, described throttle orifice is all to be opened on damping plug, damping
Plug is embedded in thrust bearing body annular air channel.
Air supporting thrust bearing described in the utility model, wherein, described damping plug is uniformly distributed circumferentially.
Implement air supporting thrust bearing of the present utility model, have the advantages that：
1st, using double-deck compulsory circulative cooling structure (outer layer cooling water channel and internal layer cooling water channel), cooling effect is much high
Thrust bearing in no cooling structure or monolayer circulation cooling mechanism；Effectively motor feels hot can be taken away, and then lift electro spindle
Processing serviceability；
2nd, air inlet is directly communicated to air flue, and air flue is sealed with round section joint ring with water channel both sides, and air flue adopts 12 uniform dampings
Plug, machining accuracy height and low cost；
3rd, the uniform circumference of damping plug, main shaft uniform force, operates steadily, and can bear larger axial force；
4th, shaft core and the temperature of cutter can be significantly reduced, extend main shaft and cutting-tool's used life, and processing effect has
Effect is improved, and can be widely used for the thrust bearing of various air-flotation electric spindles.
Brief description
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the schematic diagram of this utility model preferred embodiment air supporting thrust bearing；
Fig. 2 is the top view of this utility model preferred embodiment air supporting thrust bearing；
Fig. 3 is the upward view of this utility model preferred embodiment air supporting thrust bearing；
Wherein, 1, thrust bearing body；11st, outer layer cooling water channel；12nd, internal layer cooling water channel；13rd, the first radial direction water channel；
14th, the second radial direction water channel；15th, the 3rd radial direction water channel；16th, water inlet；17th, outlet；18th, annular air channel；19th, air inlet；
110th, radial direction air flue；2nd, plug；3rd, damping plug；4th, " O " shape sealing ring sealing.
Specific embodiment
Below, in conjunction with accompanying drawing and specific embodiment, this utility model is described further：
As Figure 1-3, a kind of air supporting thrust bearing of dual-layer cycle cooling water channel, by thrust bearing body 1, blocks up
2 and damping plug 3 form；
Thrust bearing body 1 is internally provided with outer layer cooling water channel 11 and internal layer cooling water channel 12, thrust bearing body
Upper surface offers water inlet 16 and outlet 17；Described water inlet passes through entering of the second radial direction water channel 14 and outer layer cooling water channel
Water end (W.E.) connects, and the water side of outer layer cooling water channel is connected with the water inlet end of internal layer cooling water channel by the first radial direction water channel 13, institute
State outlet to connect with the water side of internal layer cooling water channel by the 3rd radial direction water channel 15.
Described second radial direction water channel 14 and the 3rd radial direction water channel 15 all run through the peripheral side wall of thrust bearing body, and respectively
Sealed by plug 2, prevent liquid from flowing out.
Described thrust bearing body interior is additionally provided with annular air channel 18, and annular air channel is located at outer layer cooling water channel and internal layer
Between cooling water channel, the upper surface of thrust bearing body offers air inlet 19；Described air inlet passes through radial direction air flue 110 and ring
Shape air flue connects.Described radial direction air flue runs through the peripheral side wall of thrust bearing body, and is sealed by plug 2, prevents gas from flowing out.
All using " O " between described annular air channel and outer layer cooling water channel and between annular air channel and internal layer cooling water channel
Shape sealing ring seals 4 (not shown), prevents aqueous vapor from communicating.
The upper surface of described thrust bearing body is evenly distributed with multiple throttle orifices, and throttle orifice is connected with air flue.Described section
Discharge orifice is opened on damping plug 3, and damping plug is embedded in thrust bearing body annular air channel.Described damping plug is 12, uniformly divides
Cloth is circumferentially.
The operation principle of air supporting thrust bearing of the present utility model is as follows：
This utility model adopts double-deck cyclic water channel structure, from accompanying drawing, after main shaft coolant is entered by water inlet,
First the outside cooling water channel around bearing body circulates one week, then passes through the first radial direction water channel and enters inner side cooling water channel, then by
Inner side cooling water channel flows out, thus reaching the purpose of dual-cooled.First radial direction water channel, the second radial direction water channel, the 3rd radial water
The outer end in road is all sealed by plug, prevents liquid from flowing out, and two water channel both sides are sealed with round section joint ring, prevent aqueous vapor from communicating.
In this utility model thrust bearing, compared with original structure, dual water channel compulsory circulative cooling can fast speed belt
Walk the heat of main shaft generation, so that main shaft maintains the temperature at when running up in certain scope, can effectively extend master
The service life of axle, cutting-tool's used life, can improve processing effect simultaneously.
The thrust bearing of existing air floated high speed electric mandrel in terms of cooling more than using no cooling structure or monolayer cooling result,
Main shaft motor feels hot and frictional heat under the high-speed rotation liquid band that all cannot timely be cooled is walked, and main shaft can be caused overall
Temperature raises, and motor service life shortens, and tool tip heat can be caused to increase simultaneously, thus causing yields low, greatly
Have impact on processing cost and the serviceability of electro spindle, these defects are all effectively improved in this configuration.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various
Corresponding change and deformation, and all these change and deformation all should belong to the protection of this utility model claim
Within the scope of.
Claims (9)
1. a kind of air supporting thrust bearing of dual-layer cycle cooling water channel is it is characterised in that include thrust bearing body, thrust
Bearing body is internally provided with outer layer cooling water channel and internal layer cooling water channel, and the upper surface of thrust bearing body offers water inlet
And outlet；Described water inlet is connected with the water inlet end of outer layer cooling water channel, and the first footpath is passed through in the water side of outer layer cooling water channel
Connect to water channel with the water inlet end of internal layer cooling water channel, described outlet is connected with the water side of internal layer cooling water channel.
2. air supporting thrust bearing according to claim 1 is it is characterised in that described water inlet passes through the second radial water
Road is connected with the water inlet end of outer layer cooling water channel, and described outlet passes through the water side of the 3rd radial direction water channel and internal layer cooling water channel
Connection.
3. air supporting thrust bearing according to claim 2 is it is characterised in that described second radial direction water channel and the 3rd footpath
All run through the peripheral side wall of thrust bearing body to water channel, and sealed by plug respectively.
4. air supporting thrust bearing according to claim 1 is it is characterised in that described thrust bearing body interior is arranged
There is annular air channel, annular air channel is located between outer layer cooling water channel and internal layer cooling water channel, and the upper surface of thrust bearing body is opened
It is provided with air inlet；Described air inlet is connected with annular air channel by radial direction air flue.
5. air supporting thrust bearing according to claim 4 is it is characterised in that described radial direction air flue runs through thrust bearing
The peripheral side wall of body, and sealed by plug.
6. air supporting thrust bearing according to claim 4 is it is characterised in that described annular air channel and outer layer cooling water
All sealed using " O " shape sealing ring between road and between annular air channel and internal layer cooling water channel, prevent aqueous vapor from communicating.
7. air supporting thrust bearing according to claim 6 is it is characterised in that the upper surface of described thrust bearing body
It is evenly distributed with multiple throttle orifices, throttle orifice is connected with air flue.
8. air supporting thrust bearing according to claim 7 is it is characterised in that described throttle orifice is all to be opened in damping plug
On, damping plug is embedded in thrust bearing body annular air channel.
9. air supporting thrust bearing according to claim 8 is it is characterised in that described damping plug is evenly distributed on circumference
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620870821.5U CN205978076U (en) | 2016-08-11 | 2016-08-11 | Air supporting thrust bearing structure that double -deck recirculated cooling water said |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620870821.5U CN205978076U (en) | 2016-08-11 | 2016-08-11 | Air supporting thrust bearing structure that double -deck recirculated cooling water said |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978076U true CN205978076U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620870821.5U Active CN205978076U (en) | 2016-08-11 | 2016-08-11 | Air supporting thrust bearing structure that double -deck recirculated cooling water said |
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| CN (1) | CN205978076U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367525A (en) * | 2017-08-30 | 2017-11-21 | 如皋市双亚环保科技有限公司 | A kind of alloy material welding gas test system cooling structure |
| CN112128246A (en) * | 2020-09-22 | 2020-12-25 | 东南大学 | Axial small-hole normal-pressure water supply dynamic-static pressure spiral groove thrust bearing |
| CN112222365A (en) * | 2020-09-16 | 2021-01-15 | 东北大学 | Cooling device for double-roller thin-strip continuous casting machine |
-
2016
- 2016-08-11 CN CN201620870821.5U patent/CN205978076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367525A (en) * | 2017-08-30 | 2017-11-21 | 如皋市双亚环保科技有限公司 | A kind of alloy material welding gas test system cooling structure |
| CN112222365A (en) * | 2020-09-16 | 2021-01-15 | 东北大学 | Cooling device for double-roller thin-strip continuous casting machine |
| CN112128246A (en) * | 2020-09-22 | 2020-12-25 | 东南大学 | Axial small-hole normal-pressure water supply dynamic-static pressure spiral groove thrust bearing |
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| GR01 | Patent grant |