CN203972879U - A kind of weakening electricity main shaft - Google Patents
A kind of weakening electricity main shaft Download PDFInfo
- Publication number
- CN203972879U CN203972879U CN201420404867.9U CN201420404867U CN203972879U CN 203972879 U CN203972879 U CN 203972879U CN 201420404867 U CN201420404867 U CN 201420404867U CN 203972879 U CN203972879 U CN 203972879U
- Authority
- CN
- China
- Prior art keywords
- housing
- main shaft
- bearing
- ring cowling
- rear bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 11
- 230000003313 weakening effect Effects 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a kind of weakening electricity main shaft, comprise housing, stator, rotor part and main shaft, there is ring-type cooling duct on inner housing surface at housing, housing front end has seal cover, protecgulum, front cover back-end has the end cap that supports fore bearing, end cap peripheral surface has annular recess, the end cap fixedly ring cowling that circumferentially closely cooperates, ring cowling is positioned between protecgulum and housing, respectively there is the through hole that communicates with groove and cooling duct and connect ring cowling surface the upper and lower both sides of ring cowling, there is plug the surface that through hole connects ring cowling, there is wire outlet seat housing rear end, there is the bearing block that supports rear bearing at rear bearing place, between rotor part and fore bearing and bearing block, respectively there is the elastic tensioning cover that is placed on main shaft, rear-end of spindle threaded engagement rear bearing nut, the front end of rear bearing nut withstands on the side of rear bearing, on wire outlet seat, there is the cooling water inlet communicating with cooling duct.The utility model has been eliminated the whirling vibration of main shaft, can improve the rotating speed of main shaft, is conducive to Precision Machining, good heat dissipation effect, and cost is low.
Description
Technical field
The utility model relates to a kind of weakening electricity main shaft, belongs to mechanical transmission.
Background technology
At present, on market, common Digit Control Machine Tool comprises electric main shaft and motor, motor is given electric main shaft by belt transmission or gear drive by the transmission of power of motor, electricity main shaft is made High Rotation Speed, rotor driven parts rotation simultaneously, how the rotation of current electric main shaft rotor driven parts can produce vibration, noise is large, affect the job stability of main shaft, in addition along with the high speed rotating of main shaft, the water-cooling patterns that adopt cooling more, water-cooling pattern needs extra optional equipment, as water pump, water tank etc., existing water cooling plant is mounted in shell, easily there is leakage situation, once cooling, leak, side is easy to burn electric main shaft, and prevention flow-guiding structure is set, complex structure, part is numerous, still can not thoroughly address the leakage concern, and improved production cost.
Summary of the invention
In order to address the above problem, the utility model provides a kind of weakening electricity main shaft, has eliminated the whirling vibration of main shaft, can improve the rotating speed of main shaft, is conducive to Precision Machining, good heat dissipation effect, and cost is low.
For achieving the above object, concrete scheme of the present utility model is:
A kind of weakening electricity main shaft, comprise housing, be positioned at the stator component of housing inner chamber, rotor part and be positioned at the main shaft of housing lumen centers, rear and front end at main shaft is respectively equipped with fore bearing, rear bearing, stator component is installed on inner walls, rotor part is installed on main shaft, housing comprises inner housing, be placed on the shell body of inner housing outer surface, on inner housing surface, there is ring-type cooling duct, at housing front end, be provided with chimeric seal cover mutually, protecgulum, at front cover back-end, there is the end cap that supports fore bearing, end cap rear end is embedded in inner housing, between fore bearing and rotor part, there is the elastic tensioning cover that is placed on main shaft, peripheral surface at end cap has an annular recess, a ring cowling is fixed in circumferentially closely cooperating of end cap, and ring cowling is fixed between protecgulum and housing, in the both sides up and down of ring cowling, be respectively equipped with the through hole that communicates with groove and cooling duct and connect ring cowling surface, the surface that connects ring cowling at through hole is provided with plug, in housing rear end, be fixed with wire outlet seat, at rear bearing place, there is the bearing block that supports rear bearing, bearing block is fixed in housing, between rotor part and bearing block, there is the elastic tensioning cover that is placed on main shaft, a side at bearing block is fixed with bearing cap, at rear-end of spindle threaded engagement one rear bearing nut, rear bearing nut is positioned at bearing cap, the front end of rear bearing nut withstands on the side of rear bearing, between bearing cap and wire outlet seat, there is cavity, on wire outlet seat, there is the cooling water inlet communicating with cooling duct.
On wire outlet seat, be provided with the wire hole communicating with cavity.
On bearing block, be provided with the wire guide communicating with housing inner chamber and cavity.
The utility model has been eliminated the whirling vibration of main shaft, can improve the rotating speed of main shaft, is conducive to Precision Machining, good heat dissipation effect, and cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: housing 1, housing inner chamber 1-1, inner housing 1-2, cooling duct 1-2-1, shell body 1-3, stator component 2, rotor part 3, main shaft 4, fore bearing 5, rear bearing 6, seal cover 7, protecgulum 8, end cap 9, groove 9-1, wire outlet seat 10, cooling water inlet 10-1, wire hole 10-2, bearing block 11, wire guide 11-1, bearing cap 12, rear bearing nut 13, cavity 14, ring cowling 15, through hole 15-1, expansion sleeve 16, plug 17.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1: referring to accompanying drawing 1, a kind of weakening electricity main shaft, comprise housing 1, be positioned at the stator component 2 of housing inner chamber 1-1, rotor part 3 and be positioned at the main shaft 4 at housing inner chamber 1-1 center, in the rear and front end of main shaft 4, be respectively equipped with fore bearing 5, rear bearing 6, stator component 2 is installed on housing 1 inwall, rotor part 3 is installed on main shaft 4, housing 1 comprises inner housing 1-2, be placed on the shell body 1-3 of inner housing 1-2 outer surface, on inner housing 1-2 surface, there is ring-type cooling duct 1-2-1, at housing 1 front end, be provided with chimeric seal cover 7 mutually, protecgulum 8, in protecgulum 8 rear ends, there is the end cap 9 that supports fore bearing 5, end cap 9 rear ends are embedded in inner housing 1-2, between fore bearing 5 and rotor part 3, there is the elastic tensioning cover 16 that is placed on main shaft 4, peripheral surface at end cap 9 has an annular recess 9-1, a ring cowling 15 is fixed in circumferentially closely cooperating of end cap 9, and ring cowling 15 is fixed between protecgulum 8 and housing 1, in the both sides up and down of ring cowling 15, be respectively equipped with the through hole 15-1 that communicates with groove 9-1 and cooling duct 1-2-1 and connect ring cowling 15 surfaces, the surface that connects ring cowling 15 at through hole 15-1 is provided with plug 17, in housing 1 rear end, be fixed with wire outlet seat 10, at rear bearing 6 places, there is the bearing block 11 that supports rear bearing 6, bearing block 11 is fixed on housing 1, between rotor part 3 and bearing block 11, there is the elastic tensioning cover 16 that is placed on main shaft 4, a side at bearing block 11 is fixed with bearing cap 12, at main shaft 4 rear end threaded engagement one rear bearing nuts 13, rear bearing nut 13 is positioned at bearing cap 12, the front end of rear bearing nut 13 withstands on the side of rear bearing 6, between bearing cap 12 and wire outlet seat 10, there is cavity 14, on wire outlet seat 10, there is the cooling water inlet 10-1 communicating with cooling duct 1-2-1.
On wire outlet seat 10, be provided with the wire hole 10-2 communicating with cavity 14.
On bearing block 11, be provided with the wire guide 11-1 communicating with housing inner chamber 1-1 and cavity 14.
The utility model is when work, main shaft 4 rotary works, there is respectively expansion sleeve 16 front and back end of main shaft 4, the two ends of rotor part 3 are subject to the constraint of expansion sleeve 16 and main shaft 4 to keep synchronous rotary, eliminate vibration, improve the job stability of main shaft 4, simultaneously, the cooling water inlet 10-1 of cooling water on wire outlet seat 10 enters cooling duct 1-2-1, the through hole 15-1 of last cooling water through ring cowling 15 surfaces enters groove 9-1, can whole cooled rotor parts 3 and main shaft 4, good heat dissipation effect, improves the operating efficiency of electric main shaft greatly.Shift out plug 17, cooling water can be discharged by the end of through hole 15-1; Wire hole 10-2 on the wire guide 11-1 of power line on bearing block 11, cavity 14, wire outlet seat 10 draws with frequency converter and is connected, and the wire hole 10-2 on the wire guide 11-1 of temperature control line on bearing block 11, cavity 14, wire outlet seat 10 draws with temperature-control protector and is connected.
The utility model adopts inner housing 1-2 surface to have ring-type cooling duct 1-2-1, and between inner housing 1-2, shell body 1-3, effective cooling main shaft 4, guarantees the long-time steady operation of electric main shaft.
Claims (3)
1. weakening electricity main shaft, comprise housing, be positioned at the stator component of housing inner chamber, rotor part and be positioned at the main shaft of housing lumen centers, rear and front end at main shaft is respectively equipped with fore bearing, rear bearing, stator component is installed on inner walls, rotor part is installed on main shaft, it is characterized in that: housing comprises inner housing, be placed on the shell body of inner housing outer surface, on inner housing surface, there is ring-type cooling duct, at housing front end, be provided with chimeric seal cover mutually, protecgulum, at front cover back-end, there is the end cap that supports fore bearing, end cap rear end is embedded in inner housing, between fore bearing and rotor part, there is the elastic tensioning cover that is placed on main shaft, peripheral surface at end cap has an annular recess, a ring cowling is fixed in circumferentially closely cooperating of end cap, and ring cowling is fixed between protecgulum and housing, in the both sides up and down of ring cowling, be respectively equipped with the through hole that communicates with groove and cooling duct and connect ring cowling surface, the surface that connects ring cowling at through hole is provided with plug, in housing rear end, be fixed with wire outlet seat, at rear bearing place, there is the bearing block that supports rear bearing, bearing block is fixed in housing, between rotor part and bearing block, there is the elastic tensioning cover that is placed on main shaft, a side at bearing block is fixed with bearing cap, at rear-end of spindle threaded engagement one rear bearing nut, rear bearing nut is positioned at bearing cap, the front end of rear bearing nut withstands on the side of rear bearing, between bearing cap and wire outlet seat, there is cavity, on wire outlet seat, there is the cooling water inlet communicating with cooling duct.
2. weakening electricity main shaft according to claim 1, is characterized in that: on wire outlet seat, be provided with the wire hole communicating with cavity.
3. weakening electricity main shaft according to claim 1 and 2, is characterized in that: on bearing block, be provided with the wire guide communicating with housing inner chamber and cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404867.9U CN203972879U (en) | 2014-07-22 | 2014-07-22 | A kind of weakening electricity main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404867.9U CN203972879U (en) | 2014-07-22 | 2014-07-22 | A kind of weakening electricity main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203972879U true CN203972879U (en) | 2014-12-03 |
Family
ID=51970365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420404867.9U Expired - Fee Related CN203972879U (en) | 2014-07-22 | 2014-07-22 | A kind of weakening electricity main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203972879U (en) |
-
2014
- 2014-07-22 CN CN201420404867.9U patent/CN203972879U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 |