CN208840528U - A kind of high-speed electric main shaft - Google Patents
A kind of high-speed electric main shaft Download PDFInfo
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- CN208840528U CN208840528U CN201821693933.3U CN201821693933U CN208840528U CN 208840528 U CN208840528 U CN 208840528U CN 201821693933 U CN201821693933 U CN 201821693933U CN 208840528 U CN208840528 U CN 208840528U
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- main shaft
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Abstract
It is disclosed by the utility model to belong to electro spindle technical field, specially a kind of high-speed electric main shaft, including main shaft shell and the shaft being arranged in inside main shaft shell, rotor mechanism is fixedly installed on the outer wall of the shaft, stator mechanism is fixedly installed on the inner wall of the main shaft shell, the upper surface of the main shaft shell is provided with terminals, and terminals and stator mechanism are electrically connected, the outer wall both ends of the shaft are socketed with sealing bearing, the sealing bearing support is on the inner wall of main shaft shell, the left and right sides wall of the main shaft shell passes through screw and is fixedly connected with end cap, the right end of the shaft runs through the end cap on right side, top pillar is provided on the side wall of the end cap, the utility model heat dissipation effect is preferable, it radiates well to the structure of main shaft shell and its inside；By heat spreading function, increase the service life of structure；By heat dissipation and the effect of lubrication simultaneously, process is reduced, working efficiency is improved.
Description
Technical field
The utility model relates to electro spindle technical field, specially a kind of high-speed electric main shaft.
Background technique
It is mechanical in recent years, IT industry to quickly grow, be inconjunction with processing to numerically-controlled machine tool there has also been new application with
Demand can encounter the processing of composite material, the high fine mill of aluminium alloy especially in manufacturing industry such as aerospace, automobile and molds
The severe operating condition such as cut.Based on above-mentioned factor, the numerically-controlled machine tool with High-speed machining ability has become market new lover, High-speed machining
Processing efficiency can be not only greatly improved, and the processing quality of workpiece can be improved significantly.Currently, domestic and international each famous machine
Bed manufacturer extensively applies high-speed electric main shaft in High Speed NC Machine Tools, especially composite processing machine tool, multi-shaft interlocked and more
Face body machining tool.
Electro spindle is High-speed NC Machining lathe " heart component ", and performance indicator directly determines the level of lathe.It will
The electro spindle technology that machine tool chief axis is combined as a whole with spindle motor has graduallyd mature, but to promote the revolving speed of electro spindle then
Many stubborn problems can be encountered, main shaft temperature rise, bearing lubrication must all endeavour to solve.
Utility model content
The purpose of this utility model is to provide a kind of high-speed electric main shafts, mentioned above in the background art existing to solve
Electro spindle there is the problem of main shaft temperature rise, bearing lubrication.
To achieve the above object, the utility model provides the following technical solutions:
A kind of high-speed electric main shaft is designed, including main shaft shell and the shaft that is arranged in inside main shaft shell, the shaft
It is fixedly installed rotor mechanism on outer wall, stator mechanism, the main shaft shell are fixedly installed on the inner wall of the main shaft shell
Upper surface be provided with terminals, and terminals and stator mechanism are electrically connected, and the outer wall both ends of the shaft are socketed with close
Bearing is sealed, for the sealing bearing support on the inner wall of main shaft shell, the left and right sides wall of the main shaft shell passes through screw
It is fixedly connected with end cap, the right end of the shaft runs through the end cap on right side, is provided with top pillar on the side wall of the end cap, and described
The end of top pillar is supported on the outer ring side wall of the ipsilateral sealing bearing；
It is provided with filler on the right side of the upper surface of the main shaft shell, the filler is connected to the inner cavity of main shaft shell,
Lower surface offers right inlet on the right side of the inner cavity of the main shaft shell, and cooling stream is offered on the ontology of the main shaft shell
Road, the inner wall upper left side of the main shaft shell offer left liquid outlet, the both ends of the coolant flow channel respectively with right inlet, a left side
The lower surface left side of liquid outlet connection, the main shaft shell is provided with outlet, and the outer wall two sides of the shaft are fixedly connected with
There is stirring blade, and the stirring blade of two sides is located at the outside of the sealing bearing of two sides, offers circulation in the middle part of the shaft
Slot, the both ends of the circulation groove are connected to the two sides of main shaft shell inner cavity respectively.
Preferably, be provided with sealing ring on the sealing bearing of two sides, and the sealing ring of two sides be separately mounted to it is close
It seals on the mutually view side wall of bearing, plays sealing function, avoid the stator mechanism and rotor mechanism at liquid flow direction middle part.
Preferably, the stirring blade is connected on the outer wall of shaft in upper and lower symmetry shape, plays the work to liquid fluctuation
With.
Preferably, it is embedded with rubber gasket between the main shaft shell and end cap, plays the role of sealing.
Preferably, the both ends of the circulation groove are in flared, play the role of auxiliary to the flowing of liquid.
Compared with prior art, the utility model has the beneficial effects that
1) the utility model heat dissipation effect is preferable, radiates well to the structure of main shaft shell and its inside；
2) by heat spreading function, increase the service life of structure；
3) by heat dissipation and the effect of lubrication simultaneously, process is reduced, working efficiency is improved.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model shaft.
In figure: 1 main shaft shell, 2 shafts, 3 stator mechanisms, 4 rotor mechanisms, 5 sealing bearings, 6 end caps, 7 fillers, 8 right sides
Inlet, 9 coolant flow channels, 10 left liquid outlets, 11 outlets, 12 terminals, 13 top pillars, 14 stirring blades, 15 circulation grooves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment one:
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of high-speed electric main shaft, including 1 He of main shaft shell
Shaft 2 inside main shaft shell 1 is set, rotor mechanism 4, the main shaft shell 1 are fixedly installed on the outer wall of the shaft 2
Inner wall on be fixedly installed stator mechanism 3, the upper surface of the main shaft shell 1 is provided with terminals 12, and terminals 12 with
Stator mechanism 3 is electrically connected, and the outer wall both ends of the shaft 2 are socketed with sealing bearing 5, and the sealing bearing 5 is supported on master
On the inner wall of shaft housing 1, the left and right sides wall of the main shaft shell 1 passes through screw and is fixedly connected with end cap 6, the shaft 2
Right end run through the end cap 6 on right side, be provided with top pillar 13 on the side wall of the end cap 6, and the end of the top pillar 13 is supported on
On the outer ring side wall of the ipsilateral sealing bearing 5；
Filler 7 is provided on the right side of the upper surface of the main shaft shell 1, the filler 7 and the inner cavity of main shaft shell 1 connect
Logical, lower surface offers right inlet 8 on the right side of the inner cavity of the main shaft shell 1, offers on the ontology of the main shaft shell 1 cold
But runner 9, the inner wall upper left side of the main shaft shell 1 offer left liquid outlet 10, the both ends of the coolant flow channel 9 respectively with the right side
Inlet 8, left liquid outlet 10 are connected to, and are provided with outlet 11 on the left of the lower surface of the main shaft shell 1, the shaft 2 it is outer
Wall two sides are fixedly connected to stirring blade 14, and the stirring blade 14 of two sides is located at the outside of the sealing bearing 5 of two sides, described
The middle part of shaft 2 offers circulation groove 15, and the both ends of the circulation groove 15 are connected to the two sides of 1 inner cavity of main shaft shell respectively.
Embodiment two:
As shown in Figs. 1-2, a kind of high-speed electric main shaft, including main shaft shell 1 and the shaft 2 that is arranged in inside main shaft shell 1,
It is fixedly installed rotor mechanism 4 on the outer wall of the shaft 2, is fixedly installed stator mechanism on the inner wall of the main shaft shell 1
3, the upper surface of the main shaft shell 1 is provided with terminals 12, and terminals 12 and stator mechanism 3 are electrically connected, the shaft 2
Outer wall both ends be socketed with sealing bearing 5, the sealing bearing 5 is supported on the inner wall of main shaft shell 1, the main shaft shell
1 left and right sides wall passes through screw and is fixedly connected with end cap 6, and the right end of the shaft 2 runs through the end cap 6 on right side, the end
Top pillar 13 is provided on the side wall of lid 6, and the end of the top pillar 13 is supported on the outer ring side wall of the ipsilateral sealing bearing 5
On；
Filler 7 is provided on the right side of the upper surface of the main shaft shell 1, the filler 7 and the inner cavity of main shaft shell 1 connect
Logical, lower surface offers right inlet 8 on the right side of the inner cavity of the main shaft shell 1, offers on the ontology of the main shaft shell 1 cold
But runner 9, the inner wall upper left side of the main shaft shell 1 offer left liquid outlet 10, the both ends of the coolant flow channel 9 respectively with the right side
Inlet 8, left liquid outlet 10 are connected to, and are provided with outlet 11 on the left of the lower surface of the main shaft shell 1, the shaft 2 it is outer
Wall two sides are fixedly connected to stirring blade 14, and the stirring blade 14 of two sides is located at the outside of the sealing bearing 5 of two sides, described
The middle part of shaft 2 offers circulation groove 15, and the both ends of the circulation groove 15 are connected to the two sides of 1 inner cavity of main shaft shell respectively.
Sealing ring is provided on the sealing bearing 5 of two sides, and the sealing ring of two sides is separately mounted to sealing bearing 5
Mutually view side wall on, play sealing function, avoid liquid flow direction middle part stator mechanism 3 and rotor mechanism 4, the stirring blade
14 are connected on the outer wall of shaft 2 in upper and lower symmetry shape, play the role of to liquid fluctuation, the main shaft shell 1 and end cap 6 it
Between be embedded with rubber gasket, play the role of sealing, the both ends of circulation groove 15 are in flared, are played to the flowing of liquid auxiliary
The effect helped.
Heat spreading function:
1) it being injected using lubricating oil as injection liquid by filler 7, lubricating oil enters the inner cavity of main shaft shell 1,
Lubricating oil is limited in the right side of the sealing bearing 5 on right side by the sealing bearing 5 on right side and the sealing function of sealing ring thereon,
Entered by right inlet 8 in coolant flow channel 9 and by left liquid outlet 10 as the amount of lubricating oil gradually increases lubricating oil
It exports to the left side of 1 inner cavity of main shaft shell, the sealing bearing 5 in left side and sealing ring thereon on the left of being limited in lubricating oil,
It avoids impacting the stator mechanism 3 and rotor mechanism 4 at middle part, finally, lubricating oil is discharged by outlet 11, lubricating oil
Play the role of lubrication to the heat absorption of 1 internal structure of main shaft shell during liquid stream is dynamic and to sealing bearing 5；
2) it will drive the rotation of stirring blade 14 in 2 rotation process of shaft, the stirring blade 14 of rotation will be in main shaft shell 1
Lubricating oil fluctuated so that lubricating oil and sealing bearing 5 contact action effect increase, to increase the work of heat absorption
With；
3) setting for passing through circulation groove 15 enables lubricating oil to absorb what the work of shaft 2 generated by circulation groove 15
Heat.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms；Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein, and should not treat any reference in the claims as limiting related right
It is required that.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of high-speed electric main shaft, including main shaft shell (1) and the setting shaft (2) internal in main shaft shell (1), the shaft
(2) it is fixedly installed on outer wall rotor mechanism (4), is fixedly installed stator mechanism on the inner wall of the main shaft shell (1)
(3), the upper surface of the main shaft shell (1) is provided with terminals (12), and terminals (12) electrically connect with stator mechanism (3)
It connects, the outer wall both ends of the shaft (2) are socketed with sealing bearing (5), and the sealing bearing (5) is supported on main shaft shell (1)
Inner wall on, it is characterised in that: the left and right sides wall of the main shaft shell (1) passes through screw and is fixedly connected with end cap (6), institute
The right end for stating shaft (2) runs through the end cap (6) on right side, is provided with top pillar (13) on the side wall of the end cap (6), and the top pillar
(13) end is supported on the outer ring side wall of the ipsilateral sealing bearing (5)；
It is provided with filler (7) on the right side of the upper surface of the main shaft shell (1), the filler (7) is interior with main shaft shell (1)
The inner cavity right side lower surface of chamber connection, the main shaft shell (1) offers right inlet (8), the ontology of the main shaft shell (1)
On offer coolant flow channel (9), the inner wall upper left side of the main shaft shell (1) offers left liquid outlet (10), the cooling stream
The both ends in road (9) are connected to right inlet (8), left liquid outlet (10) respectively, setting on the left of the lower surface of the main shaft shell (1)
Have outlet (11), the outer wall two sides of the shaft (2) are fixedly connected to stirring blade (14), and the stirring blade of two sides
(14) circulation groove (15), the circulation groove are offered in the middle part of the outside of the sealing bearing (5) of two sides, the shaft (2)
(15) both ends are connected to the two sides of main shaft shell (1) inner cavity respectively.
2. a kind of high-speed electric main shaft according to claim 1, it is characterised in that: on the sealing bearing (5) of two sides
It is provided with sealing ring, and the sealing ring of two sides is separately mounted on the mutually view side wall of sealing bearing (5).
3. a kind of high-speed electric main shaft according to claim 1, it is characterised in that: the stirring blade (14) is in symmetrical above and below
Shape is connected on the outer wall of shaft (2).
4. a kind of high-speed electric main shaft according to claim 1, it is characterised in that: the main shaft shell (1) and end cap (6) it
Between be embedded with rubber gasket.
5. a kind of high-speed electric main shaft according to claim 1, it is characterised in that: the both ends of the circulation groove (15) are in expand
Mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693933.3U CN208840528U (en) | 2018-10-19 | 2018-10-19 | A kind of high-speed electric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693933.3U CN208840528U (en) | 2018-10-19 | 2018-10-19 | A kind of high-speed electric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208840528U true CN208840528U (en) | 2019-05-10 |
Family
ID=66375783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821693933.3U Active CN208840528U (en) | 2018-10-19 | 2018-10-19 | A kind of high-speed electric main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208840528U (en) |
-
2018
- 2018-10-19 CN CN201821693933.3U patent/CN208840528U/en active Active
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