CN208555997U - A kind of CNC milling machine electric main shaft structure - Google Patents
A kind of CNC milling machine electric main shaft structure Download PDFInfo
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- CN208555997U CN208555997U CN201821325831.6U CN201821325831U CN208555997U CN 208555997 U CN208555997 U CN 208555997U CN 201821325831 U CN201821325831 U CN 201821325831U CN 208555997 U CN208555997 U CN 208555997U
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Abstract
The utility model discloses a kind of CNC milling machine electric main shaft structures, motor is equipped on the outside of the middle-end of the main shaft mandrel, the front end outer side of the main shaft mandrel is equipped with fore bearing group, rear bearing group is equipped on the outside of the rear end of the main shaft mandrel, coolant jacket is equipped on the outside of the motor, the outside of the coolant jacket is equipped with main shaft housing, the outside of the fore bearing group is equipped with fore bearing end cap, the outside of the rear bearing group is equipped with rear bearing end cap, the front end of the main shaft housing is connected with fore bearing end cap, the rear end of the main shaft housing is connected with rear bearing end cap, the front end of the fore bearing end cap is connected with end cover.A kind of beneficial effect of CNC milling machine electric main shaft structure of the utility model is that structure is simple, is run smoothly, and precision is high, and mechanical efficiency is high, it is with small vibration, move good static stability, ultrahigh speed, save the cost workpiece, it is high that bearing capacity is installed, convenient disassembly is not susceptible to failure, and long working life is convenient for installation and maintenance.
Description
Technical field
The utility model relates to CNC milling machine spindle technology field more particularly to a kind of CNC milling machine electric main shaft structures.
Background technique
CNC milling machine axis system is the key components and parts of milling machine, and performance directly affects the efficiency of processing component, speed
And precision, the drive form of traditional machine tool chief axis are generally the either gear drive of chain conveyer, V belt translation, main shaft and driving electricity
Machine is installed separately, and main shaft stress is larger, and nature static hardly results in guarantee, with the continuous development of spindle technology, is realized
The running at high speed of main shaft, the electric machine main shaft of high-precision, high stability obtains more and more extensive movement, existing electro spindle processing essence
Spend low, mechanical efficiency is low, moves that static stability is poor, and revolving speed is low, high production cost.
Summary of the invention
Purpose of utility model: milling machine electro spindle machining accuracy to be solved in the utility model is low, and mechanical efficiency is low, sound
The technical issues of state stability is poor, and revolving speed is low, high production cost, the utility model provide a kind of CNC milling machine electric main shaft structure.
Technical solution: a kind of CNC milling machine electric main shaft structure, comprising: main shaft mandrel, the middle-end outside of the main shaft mandrel
Equipped with motor, the front end outer side of the main shaft mandrel is equipped with fore bearing group, is equipped with rear bearing on the outside of the rear end of the main shaft mandrel
Group, the motor outside are equipped with coolant jacket, and the outside of the coolant jacket is equipped with main shaft housing, and the outside of the fore bearing group is equipped with
The outside of fore bearing end cap, the rear bearing group is equipped with rear bearing end cap, front end and the fore bearing end cap phase of the main shaft housing
Connection, the rear end of the main shaft housing are connected with rear bearing end cap, and the front end of the fore bearing end cap is connected with end cover.
Wherein, the motor includes: rotor, and the outside of the rotor is equipped with stator, is equipped between the rotor and stator
Air-gap.
Wherein, the fore bearing group includes bearing base, the bearing base be on bearing group, the bearing group are installed
Front end be connected with preceding pre-tightening apparatus.
Wherein, the rear bearing group includes bearing base, the bearing base be on bearing group, the rear bearing are installed
The rear end of group is connected with rear pre-tightening apparatus.
Wherein, the bearing group is equipped with separation sleeve by 2 angular contact ball bearings between the angular contact ball bearing.
Wherein, the main shaft mandrel is hollow multi-diameter shaft.
A kind of beneficial effect of CNC milling machine electric main shaft structure of the utility model is that structure is simple, is run smoothly, processing essence
Degree is high, and mechanical efficiency is high, with small vibration, moves good static stability, ultrahigh speed, save the cost workpiece, installation bearing capacity is high, disassembly side
Just, it is not susceptible to failure, long working life is convenient for installation and maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of CNC milling machine electric main shaft structure of the utility model.
Specific embodiment
The utility model is further elaborated below in conjunction with attached drawing and by specific embodiment, it should be pointed out that: for this
For the common process personnel of technology field, without departing from the principle of this utility model, to the various of the utility model
The modification of equivalent form falls within the application range as defined in the appended claims.
Embodiment
As shown in Figure 1, a kind of CNC milling machine electric main shaft structure, comprising: main shaft mandrel 1, outside the middle-end of the main shaft mandrel 1
Side is equipped with motor 2, and the front end outer side of the main shaft mandrel 1 is equipped with fore bearing group 3, is equipped on the outside of the rear end of the main shaft mandrel 1
Rear bearing group 4, coolant jacket 5 is equipped on the outside of the motor 2, and the outside of the coolant jacket 5 is equipped with main shaft housing 6, the fore bearing
The outside of group 3 is equipped with fore bearing end cap 7, and the outside of the rear bearing group 4 is equipped with rear bearing end cap 8, before the main shaft housing 6
End is connected with fore bearing end cap 7, and 6 rear ends of the main shaft housing are connected with rear bearing end cap 8, the fore bearing end cap 7
Front end be connected with end cover 9.
Further, the motor 2 includes: rotor 21, and the outside of the rotor 21 is equipped with stator 22, the rotor 21 with it is fixed
Air-gap 13 is equipped between son 22.
Further, the fore bearing group 3 include bearing base 31, the bearing base 31 be on bearing group 32 is installed,
The front end of the bearing group 32 is connected with preceding pre-tightening apparatus 33.
Further, the rear bearing group 4 include bearing base 31, the bearing base 31 be on bearing group 32 is installed,
The front end of the rear bearing group 4 is connected with rear pre-tightening apparatus 41.
Further, the bearing group 32 is equipped with isolation by 2 angular contact ball bearings 35 between the angular contact ball bearing 35
Set 36.
Further, the main shaft mandrel 1 is hollow multi-diameter shaft.
A kind of CNC milling machine electric main shaft structure provided by the utility model, runs smoothly, and machining accuracy is high, mechanical efficiency
Height, it is with small vibration, good static stability is moved, ultrahigh speed, save the cost workpiece, installation bearing capacity is high, and convenient disassembly is not susceptible to event
Barrier, long working life are convenient for installation and maintenance.
Claims (6)
1. a kind of CNC milling machine electric main shaft structure characterized by comprising main shaft mandrel, the middle-end outside of the main shaft mandrel
Equipped with motor, the front end outer side of the main shaft mandrel is equipped with fore bearing group, is equipped with rear bearing on the outside of the rear end of the main shaft mandrel
Group, the motor outside are equipped with coolant jacket, and the outside of the coolant jacket is equipped with main shaft housing, and the outside of the fore bearing group is equipped with
The outside of fore bearing end cap, the rear bearing group is equipped with rear bearing end cap, front end and the fore bearing end cap phase of the main shaft housing
Connection, the rear end of the main shaft housing are connected with rear bearing end cap, and the front end of the fore bearing end cap is connected with end cover.
2. a kind of CNC milling machine electric main shaft structure according to claim 1, which is characterized in that the motor includes: rotor, institute
The outside for stating rotor is equipped with stator, and air-gap is equipped between the rotor and stator.
3. a kind of CNC milling machine electric main shaft structure according to claim 1, which is characterized in that the fore bearing group includes bearing
Pedestal, the bearing base be on bearing group is installed, the front end of the bearing group is connected with preceding pre-tightening apparatus.
4. a kind of CNC milling machine electric main shaft structure according to claim 1, which is characterized in that the rear bearing group includes bearing
Pedestal, the bearing base be on bearing group is installed, the rear end of the rear bearing group is connected with rear pre-tightening apparatus.
5. a kind of CNC milling machine electric main shaft structure according to claim 1, which is characterized in that the bearing group is by 2 corner connections
Ball bearing is touched, is equipped with separation sleeve between the angular contact ball bearing.
6. a kind of CNC milling machine electric main shaft structure according to claim 1, which is characterized in that the main shaft mandrel is hollow rank
Terraced axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325831.6U CN208555997U (en) | 2018-08-17 | 2018-08-17 | A kind of CNC milling machine electric main shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325831.6U CN208555997U (en) | 2018-08-17 | 2018-08-17 | A kind of CNC milling machine electric main shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208555997U true CN208555997U (en) | 2019-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821325831.6U Active CN208555997U (en) | 2018-08-17 | 2018-08-17 | A kind of CNC milling machine electric main shaft structure |
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| Country | Link |
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| CN (1) | CN208555997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215647A (en) * | 2019-11-14 | 2020-06-02 | 珠海格力电器股份有限公司 | Spindle assembly, spindle and lathe |
-
2018
- 2018-08-17 CN CN201821325831.6U patent/CN208555997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215647A (en) * | 2019-11-14 | 2020-06-02 | 珠海格力电器股份有限公司 | Spindle assembly, spindle and lathe |
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