CN208503270U - High-accuracy magnetic-suspension main-shaft - Google Patents
High-accuracy magnetic-suspension main-shaft Download PDFInfo
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- CN208503270U CN208503270U CN201821119429.2U CN201821119429U CN208503270U CN 208503270 U CN208503270 U CN 208503270U CN 201821119429 U CN201821119429 U CN 201821119429U CN 208503270 U CN208503270 U CN 208503270U
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- package assembly
- magnet
- embedded component
- magnetic
- suspension main
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Abstract
The utility model discloses a kind of high-accuracy magnetic-suspension main-shafts, the main shaft includes embedded component and package assembly, package assembly is socketed in the outside of embedded component, one of embedded component and package assembly are rotating member, there is the space rotated for embedded component in package assembly, at least two groups magnetic thrust mechanism is equipped in gap between package assembly and embedded component, and magnetic thrust mechanism is symmetrical arranged, magnetic thrust mechanism includes the first magnet for being mounted on wall circular in package assembly or several first magnets of annular spread, second magnet of annular or several second magnets of annular spread are circumferentially installed in embedded component outer wall, and first magnet it is identical close to the magnetic pole of the first magnet as the second magnet close to the magnetic pole of the second magnet part, the utility model installs magnetic ejection structure by utilizing in gap between embedded component and package assembly, it is mutually exclusive using magnetic peer Principle is suspended in embedded component between package assembly, rotates one of embedded component or package assembly, reduces the friction between embedded component and package assembly.
Description
Technical field
The utility model belongs to mechanical axis class technical field more particularly to a kind of high-accuracy magnetic-suspension main-shaft.
Background technique
Axis machinery field be common components, generally pass through when current axis is connect with other parts axle sleeve or
Bearing is connected to reduce friction between the two, but axle sleeve or bearing also have certain friction, can generate biggish resistance,
Also biggish sound can be generated, therefore a kind of there is an urgent need to develop frictional force small, noiseless high-accuracy main shaft.
Utility model content
The utility model aim is a kind of high-accuracy magnetic-suspension main-shaft that is big for the friction of existing main shaft and providing.
The utility model is achieved by the following technical solution:
High-accuracy magnetic-suspension main-shaft, the main shaft include embedded component and package assembly, and package assembly is socketed in the outside of embedded component, interior
One of inserts and package assembly are rotating member, have the space rotated for embedded component in package assembly, in package assembly and embedded component
Between gap in be equipped at least two groups magnetic thrust mechanism, and magnetic thrust mechanism is symmetrical arranged, and guarantees package assembly or embedded component two
Side is pressurized uniform, it is ensured that embedded component will not skid off package assembly, and the magnetic thrust mechanism includes being mounted on wall circular in package assembly
The first magnet or annular spread several first magnets, embedded component outer wall be circumferentially equipped with annular the second magnet or ring
Shape distribution several second magnets, and the first magnet close to the magnetic pole of the second magnet part and the second magnet close to the first magnet
Magnetic pole it is identical, the repulsive force between the second magnet of embedded component and the first magnet of package assembly makes embedded component be suspended in package assembly
It is interior.
It is even number as the preferably described magnetic thrust mechanism group number, and the center to be arranged perpendicular to embedded component axial line
Line is symmetrical arranged, and the magnetic thrust of the magnetic thrust mechanism on both sides applies embedded component or by package assembly to centre simultaneously to centre simultaneously
Apply, i.e., guarantee embedded component or package assembly will not be along embedded component direction of axis line overexercises.
It further is equipped with the first taper face in package assembly inner wall, and the first magnet is mounted in the first taper face;Inside
Inserts outer wall is equipped with the second taper face, and the second magnet is mounted in the second taper face.First taper face and the second cone
Degree face is parallel to each other.First taper face and the second taper face can be the face with taper of an entire circle, be also possible to
The inclined-plane of the taper of part is for installing single magnet.
The package assembly and embedded component is cannot be by the adsorbed material of magnet, preferably stainless steel material or plastics material
Matter.First magnet and the second magnet is permanent magnet.
The package assembly includes that two shell assembly are fixed, and two shells are respectively fitted over embedded component when installation
It is fixed after upper by screw or other modes that are fixedly connected such as bolt or rivet or welding.
The utility model has the beneficial effects that the utility model installs magnetic by utilizing in gap between embedded component and package assembly
Property ejection structure, be suspended in embedded component between package assembly using magnetic at the same level mutually exclusive principle, make embedded component or housing
The rotation of one of part, reduces the friction between embedded component and package assembly.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model embodiment one;
Fig. 2 is the cross-sectional view of the utility model embodiment two.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail.
Embodiment one
High-accuracy magnetic-suspension main-shaft as shown in Figure 1, the main shaft include embedded component 1 and package assembly 2, and package assembly 2 is socketed in
The outside of embedded component 1, according to actual needs can be by one of embedded component 1 or package assembly 2 as rotating member, and another is solid
Determine part, fixing piece, which is fixed on, needs position, and installation needs part to be mounted on rotating member, such as flabellum is installed on rotating member, Gu
Determine part to be fixed in the rack of certain product, there is the space rotated for embedded component 1, in package assembly 2 and embedded component 1 in package assembly 2
Between gap in be equipped at least two groups magnetic thrust mechanism, and magnetic thrust mechanism is symmetrical arranged, and guarantees package assembly 2 or embedded component 1
Both sides are pressurized uniform, it is ensured that embedded component 1 will not skid off package assembly 2, and the magnetic thrust mechanism includes being mounted on 2 inner wall of package assembly
First magnet 21 of annular or several first magnets 21 of annular spread are circumferentially equipped with the of annular in 1 outer wall of embedded component
Several second magnets 11 of two magnets 11 or annular spread, and the first magnet 21 is close to the magnetic pole of 11 part of the second magnet and
Two magnets 11 are identical close to the magnetic pole of the first magnet 21, between 1 second magnet 11 of embedded component and the first magnet 21 of package assembly 2
Repulsive force is suspended in embedded component 1 in package assembly 2.Wherein the magnetic thrust mechanism group number is even number, and perpendicular to interior
The magnetic thrust of the center line symmetrical setting of 1 axial line of inserts setting, the magnetic thrust mechanism on both sides applies embedded component 1 to centre simultaneously
Add.Guarantee that embedded component 1 will not be along 1 direction of axis line overexercise of embedded component.Further first is equipped in 2 inner wall of package assembly
Taper face 22, and the first magnet 21 is mounted in the first taper face 22;The second taper face 12, and the are equipped in 1 outer wall of embedded component
Two magnets 11 are mounted in the second taper face 12.First taper face 22 is parallel to each other with the second taper face 12.Described
First taper face 22 and the second taper face 12 can be the face with taper of an entire circle, be also possible to the inclined-plane of local taper
For installing single magnet, wherein taper face and 1 axle center angle of embedded component are designed as 45 degree of best, magnetic on package assembly 2
Body to the magnet on embedded component 1 due to applying slanting power, i.e., not only by the magnet on embedded component 1 to level side as shown in the figure
To thrust is applied, also apply thrust to vertical direction as shown in the figure, so that guaranteeing that embedded component 1 is suspended in cannot in package assembly 2
It skids off.The package assembly 2 and embedded component 1 is cannot be by the adsorbed material of magnet, preferably stainless steel material or plastics material
Matter.First magnet 21 and the second magnet 11 is permanent magnet.The package assembly 2 includes that two shell assembly are fixed,
After two shells are respectively fitted on embedded component 1 when installation even by screw or the other fixations of bolt or rivet or welding etc.
The mode of connecing is fixed.
Embodiment two
High-accuracy magnetic-suspension main-shaft as shown in Figure 2, the present embodiment and embodiment one are the difference is that on embedded component 1
Magnet the magnet on package assembly 2 is applied into thrust, on the contrary at least two groups magnet pair namely on package assembly 2 to centre simultaneously
Two groups of magnets on embedded component 1 apply thrust outward, due to being both sides while applying, so the dynamic balance on both sides, so that embedded
Part 1 can be equally suspended in package assembly 2, which is mainly to be realized by changing the direction of taper face, with sample reality
Applying the axial line of each taper face and embedded component 1 in example to be preferably is in 45 degree of angles.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, it is on the premise of not departing from the spirit and scope of the utility model, in the art common
Simply changing and replacing for technical staff be all within the protection scope of the utility model.
Claims (7)
1. high-accuracy magnetic-suspension main-shaft, it is characterised in that: the main shaft includes embedded component and package assembly, and package assembly is socketed in embedded component
Outside, one of embedded component and package assembly are rotating member, have the space rotated for embedded component in package assembly, in package assembly
At least two groups magnetic thrust mechanism is equipped in gap between embedded component, and magnetic thrust mechanism is symmetrical arranged, the magnetic thrust
Mechanism includes the first magnet for being mounted on wall circular in package assembly or several first magnets of annular spread, in embedded component outer wall
Second magnet of annular or several second magnets of annular spread are circumferentially installed, and the first magnet is close to the second magnet part
Magnetic pole it is identical close to the magnetic pole of the first magnet as the second magnet, between the second magnet of embedded component and the first magnet of package assembly
Repulsive force is suspended in embedded component in package assembly.
2. high-accuracy magnetic-suspension main-shaft according to claim 1, it is characterised in that: the magnetic thrust mechanism group number is even
It is several, and be it is arranged symmetrically, the magnetic thrust of the magnetic thrust mechanism on both sides applies to centre embedded component or package assembly is same simultaneously
When to centre apply.
3. high-accuracy magnetic-suspension main-shaft according to claim 1, it is characterised in that: be equipped with the first taper in package assembly inner wall
Face, and the first magnet is mounted in the first taper face;It is equipped with the second taper face in embedded component outer wall, and the second magnet is mounted on the
In two taper faces.
4. high-accuracy magnetic-suspension main-shaft according to claim 3, it is characterised in that: first taper face and the second cone
Degree face is parallel to each other.
5. high-accuracy magnetic-suspension main-shaft according to claim 1, it is characterised in that: the package assembly and embedded component is not
It can be by the adsorbed material of magnet.
6. high-accuracy magnetic-suspension main-shaft according to claim 1, it is characterised in that: first magnet and the second magnet
For permanent magnet.
7. high-accuracy magnetic-suspension main-shaft according to claim 1, it is characterised in that: the package assembly includes two shells
Assembly is fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821119429.2U CN208503270U (en) | 2018-07-17 | 2018-07-17 | High-accuracy magnetic-suspension main-shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821119429.2U CN208503270U (en) | 2018-07-17 | 2018-07-17 | High-accuracy magnetic-suspension main-shaft |
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CN208503270U true CN208503270U (en) | 2019-02-15 |
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CN201821119429.2U Active CN208503270U (en) | 2018-07-17 | 2018-07-17 | High-accuracy magnetic-suspension main-shaft |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108775334A (en) * | 2018-07-17 | 2018-11-09 | 温岭市百氏精益机械有限公司 | High-accuracy magnetic-suspension main-shaft |
CN114572406A (en) * | 2022-04-11 | 2022-06-03 | 中国电子科技集团公司第三十八研究所 | Magnetic lifting engine for aircraft |
-
2018
- 2018-07-17 CN CN201821119429.2U patent/CN208503270U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108775334A (en) * | 2018-07-17 | 2018-11-09 | 温岭市百氏精益机械有限公司 | High-accuracy magnetic-suspension main-shaft |
CN114572406A (en) * | 2022-04-11 | 2022-06-03 | 中国电子科技集团公司第三十八研究所 | Magnetic lifting engine for aircraft |
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