A kind of permanent magnetism magnetic suspension carrying roller
Technical field
The present invention relates to bearing arrangement, refers in particular to a kind of can produce simultaneously and stablizes radial suspension force, axial force forever
Magnetic magnetic suspension carrying roller, specifically a kind of property for having longitudinal tensile resistence and horizontal compression resistance force using the permanent magnet magnetic line of force
So that suspension support power, axial force between permanent magnet the permanent magnetism magnetic suspension carrying roller perpendicular with the air gap magnetic line of force respectively.
Background technology
At present, carrying roller generally uses in various industries, and the effect of carrying roller is support belt and weight of material.Carrying roller
Quality is mainly reflected in:Carrying roller radial beat eccentricity, carrying roller flexibility ratio and axial movement value.But to produce the carrying roller of high quality
Not a duck soup.
The content of the invention
The purpose of the present invention is the problem of presence for prior art, there is provided one kind has longitudinal direction anti-using the permanent magnet magnetic line of force
The property of tensile force and horizontal compression resistance force so that suspension support power, axial force between permanent magnet respectively with air gap magnetic force
The perpendicular permanent magnetism magnetic suspension carrying roller of line.
The purpose of the present invention solves by the following technical programs:
A kind of permanent magnetism magnetic suspension carrying roller, including axle, axial magnetic group, radial direction magnetic group, outer magnetic support, interior magnetic support and roller shell, it is special
Sign is:Described axial magnetic group includes the axial outer ring magnet on outer magnetic support and the axle on interior magnetic support is inside
Enclose magnet, the polarity of the magnetic field on the opposite face of axial outer ring magnet and axial inner ring magnet is opposite and axial outer ring magnet and axial direction
Inner ring magnet form do not contact be rotatably assorted with provide radial suspension adjustment the corresponding setting of power restriction axial outer ring magnet and
Axial inner ring magnet diametrically moves;Described radial direction magnetic group includes radially outer band magnet and the peace being arranged on outer magnetic support
Polarity of the magnetic field on the opposite face of radially inner band magnet on interior magnetic support, radially outer band magnet and radially inner band magnet is opposite
And radially outer band magnet and radially inner band magnet are formed not contacting and are rotatably assorted to provide axially adjustable power restriction corresponding setting
Radially outer band magnet and radially inner band magnet axially opposing movement.
Described outer magnetic support is fixedly installed on the circumferential inner wall of roller shell, and interior magnetic support is fixedly installed on axle, passes through axle
Roller shell and axle is caused to form not contact and be rotatably assorted to the collective effect of magnetic group and radial direction magnetic group.
Described axial magnetic group and radial direction magnetic group is all mounted on one end of axle, and now axial inner ring magnet is installed respectively
On the axial both sides outer face of interior magnetic support and the axial outer ring magnetic with being separately mounted on the axial both sides inner face of outer magnetic support
Body forms two groups of axial magnetic groups;And radial direction magnetic group is located between two groups of axial magnetic groups, and radially outer band magnet is arranged on outer magnetic support
Inner radial wall on, and radially inner band magnet be arranged on interior magnetic support radially outer periphery face on.
Described axial magnetic group is mounted on the both ends of axle respectively and radial direction magnetic group is mounted on one end of axle, now
Outer magnetic support includes outer magnetic support one and outer magnetic support two and interior magnetic support includes interior magnetic support one and interior magnetic support two.
Described radially inner band magnet is arranged on the radially outer periphery face of interior magnetic support one or interior magnetic support two and radially outer band
Magnet is arranged in the inner radial wall of outer magnetic support one corresponding with interior magnetic support one or interior magnetic support two or outer magnetic support two;And axial inner ring
Magnet is separately mounted on the axial outer end face of interior magnetic support one and interior magnetic support two and with being separately mounted to outer magnetic support one and outer magnetic support
Axial outer ring magnet on two axial inner ends face forms two groups of axial magnetic groups.
Described axial outer ring magnet and axial inner ring magnet are all magnet ring and the magnet ring using polarity of the magnetic field is identical, magnetic field
Intensity identical annular permanent magnet is made;Described radially outer band magnet and radially inner band magnet is all magnet ring and the magnet ring uses
Polarity of the magnetic field is identical, magnetic field intensity identical annular permanent magnet is made.
Axial outer ring magnet and axial inner ring magnet are respectively constituted from a pair of magnet rings in same group of axial magnetic group, and it is same
In group radial direction magnetic group radially outer band magnet and radially inner band magnet are respectively constituted from a pair of magnet rings.
Axial outer ring magnet and axial inner ring magnet are respectively constituted from multipair magnet ring in same group of axial magnetic group, and it is same
In group radial direction magnetic group radially outer band magnet and radially inner band magnet are respectively constituted from a pair of magnet rings.
Axial outer ring magnet and axial inner ring magnet are respectively constituted from a pair of magnet rings in same group of axial magnetic group, and it is same
In group radial direction magnetic group radially outer band magnet and radially inner band magnet are respectively constituted from multipair magnet ring.
Axial outer ring magnet and axial inner ring magnet are respectively constituted from multipair magnet ring in same group of axial magnetic group, and it is same
In group radial direction magnetic group radially outer band magnet and radially inner band magnet are respectively constituted from multipair magnet ring.
It is same when respectively constituting axial outer ring magnet and axial inner ring magnet from multipair magnet ring in same group of axial magnetic group
The polarity of the magnetic field of adjacent magnet ring in the axial outer ring magnet of group is opposite and magnetic force size is identical, and in same group of axial direction inner ring magnet
Adjacent magnet ring polarity of the magnetic field it is opposite and magnetic force size is identical.
It is same when respectively constituting radially outer band magnet and radially inner band magnet from multipair magnet ring in same group of radial direction magnetic group
The polarity of the magnetic field of adjacent magnet ring in group radially outer band magnet is opposite and magnetic force size is identical, and in same group of radially inner band magnet
Adjacent magnet ring polarity of the magnetic field it is opposite and magnetic force size is identical.
The present invention has the following advantages compared with prior art:
The present invention has the property of longitudinal tensile resistence and horizontal compression resistance force to allow permanent magnet by using the permanent magnet magnetic line of force
Between suspension support power, axial force is perpendicular with the air gap magnetic line of force respectively and and then produces stable radial suspension force, axial direction
Power so that axial magnetic group provides the axial outer ring magnet of radial suspension adjustment power restriction corresponding setting and axial inner ring magnet
Diametrically move, the radially outer band magnet and radially inner band magnet of the axially adjustable corresponding setting of power restriction of radial direction magnetic group offer
Axially opposing movement;The permanent magnetism magnetic suspension carrying roller utilizes the permanent magnet characteristic that identical charges repel each other, there is a natural attraction between the sexes, can eliminate machinery
Friction, abrasion, energy consumption and noise are reduced, without lubricating, sealing and service life is grown, improve the flexibility ratio and carrying energy of carrying roller
Power.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of permanent magnetism magnetic suspension carrying roller embodiment one of the invention;
Accompanying drawing 2 is the structural representation of permanent magnetism magnetic suspension carrying roller embodiment two of the invention.
Wherein:1-axle;2-axial magnetic group;21-axial outer ring magnet;22-axial inner ring magnet;3-radial direction magnetic group;
31-radially outer band magnet;32-radially inner band magnet;4-outer magnetic support;41-outer magnetic support one;42-outer magnetic support two;5-interior magnetic
Seat;51-interior magnetic support one;52-interior magnetic support two;6-roller shell.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1-2:A kind of permanent magnetism magnetic suspension carrying roller, including it is axle 1, axial magnetic group 2, radial direction magnetic group 3, outer magnetic support 4, interior
Magnetic support 5 and roller shell 6, outer magnetic support 4 is fixedly installed on the circumferential inner wall of roller shell 6, and interior magnetic support 5 is fixedly installed on axle 1, is passed through
The collective effect of axial magnetic group 2 and radial direction magnetic group 3 causes roller shell 6 and axle 1 to form not contact and be rotatably assorted.Wherein axial magnetic group 2
Including the axial outer ring magnet 21 on outer magnetic support 4 and the axial inner ring magnet 22 on interior magnetic support 5, axial outer ring
Magnet 21 is opposite with the polarity of the magnetic field on the opposite face of axial inner ring magnet 22 and axial outer ring magnet 21 and axial inner ring magnet
22 form do not contact be rotatably assorted with provide radial suspension adjustment the corresponding setting of power restriction axial outer ring magnet and axle it is inside
Circle magnet diametrically moves;Radial direction magnetic group 3 includes the radially outer band magnet 31 being arranged on outer magnetic support 4 and installed in interior magnetic
Radially inner band magnet 32 on seat 5, radially outer band magnet 31 are opposite with the polarity of the magnetic field on the opposite face of radially inner band magnet 32
And radially outer band magnet 31 and radially inner band magnet 32 form do not contact be rotatably assorted it is corresponding to provide axially adjustable power restriction
The axially opposing movement of the radially outer band magnet and radially inner band magnet of setting.In axial magnetic group 2 and radial direction magnetic group 3, axially
Outer ring magnet 21 and axial inner ring magnet 22 are all magnet ring and the magnet ring using polarity of the magnetic field is identical, magnetic field intensity identical annular
Permanent magnet is made, and same radially outer band magnet 31 and radially inner band magnet 32 are all magnet ring and the magnet ring uses polarity of the magnetic field phase
Same, magnetic field intensity identical annular permanent magnet is made.For the magnet ring quantity in axial magnetic group 2 and radial direction magnetic group 3, sum up
There is following four mode:1), from a pair of magnet rings to respectively constitute axial outer ring magnet 21 and axle in same group of axial magnetic group 2 inside
Magnet 22 is enclosed, and radially outer band magnet 31 and radially inner band magnet are respectively constituted from a pair of magnet rings in same group of radial direction magnetic group 3
32;2), respectively constitute axial outer ring magnet 21 and axial inner ring magnet 22 from multipair magnet ring in same group of axial magnetic group 2, and
In same group of radial direction magnetic group 3 radially outer band magnet 31 and radially inner band magnet 32 are respectively constituted from a pair of magnet rings;3), same group
In axial magnetic group 2 axial outer ring magnet 21 and axial inner ring magnet 22, and same group of radial direction magnetic are respectively constituted from a pair of magnet rings
In group 3 radially outer band magnet 31 and radially inner band magnet 32 are respectively constituted from multipair magnet ring;4), in same group of axial magnetic group 2
Axial outer ring magnet 21 and axial inner ring magnet 22 are respectively constituted from multipair magnet ring, and from more in same group of radial direction magnetic group 3
Radially outer band magnet 31 and radially inner band magnet 32 are respectively constituted to magnet ring(Structure is as shown in accompanying drawing 1,2).In above-mentioned four kinds of sides
On the permanent magnetism magnetic suspension carrying roller of formula, when respectively constituting the axial He of outer ring magnet 21 from multipair magnet ring in same group of axial magnetic group 2
During axial inner ring magnet 22, the polarity of the magnetic field of the adjacent magnet ring in same group of axial direction outer ring magnet 21 is opposite and magnetic force size phase
Together, the polarity of the magnetic field of the adjacent magnet ring and in same group of axial direction inner ring magnet 22 is opposite and magnetic force size is identical;And same group of footpath
When respectively constituting radially outer band magnet 31 and radially inner band magnet 32 from multipair magnet ring into magnetic group 3, same group of radially outer band
The polarity of the magnetic field of adjacent magnet ring in magnet 31 is opposite and magnetic force size is identical and adjacent in same group of radially inner band magnet 32
The polarity of the magnetic field of magnet ring is opposite and magnetic force size is identical.
On the basis of to state structure, axial magnetic group 2 and radial direction magnetic group 3 can be classified as two kinds, and one kind is the He of axial magnetic group 2
Radial direction magnetic group 3 is all mounted on one end of axle 1, and now axial inner ring magnet 22 is separately mounted to the axial both sides of interior magnetic support 5
On outer face and the axial outer ring magnet 21 with being separately mounted on the axial both sides inner face of outer magnetic support 4 forms two groups of axial magnetics
Group 2;And radial direction magnetic group 3 is located between two groups of axial magnetic groups 2, and radially outer band magnet 31 is arranged on the inner radial wall of outer magnetic support 4
On, and radially inner band magnet 32 is arranged on the radially outer periphery face of interior magnetic support 5.Another kind is installed and set respectively for axial magnetic group 2
Put and be mounted on one end of axle 1 at the both ends of axle 1 and radial direction magnetic group 3, its China and foreign countries' magnetic support 4 includes outer magnetic support 1 and outer magnetic support
2 42 and interior magnetic support 5 include interior magnetic support 1 and interior magnetic support 2 52;Radially inner band magnet 32 is arranged on interior magnetic support 1 or interior magnetic support
On 2 52 radially outer periphery face and radially outer band magnet 31 is arranged on outer magnetic support corresponding with interior magnetic support 1 or interior magnetic support 2 52
In the inner radial wall of one 41 or outer magnetic supports 2 42;And axial inner ring magnet 22 is separately mounted to interior magnetic support 1 and interior magnetic support 2 52
Axial outer end face on and the axial outer ring magnetic with being separately mounted on the axial inner ends face of outer magnetic support 1 and outer magnetic support 2 42
Body 21 forms two groups of axial magnetic groups 2.
Carry out the permanent magnetism magnetic suspension carrying roller of the further instruction present invention below by specific embodiment and its function.
Embodiment one
The structure chart of the embodiment one of permanent magnetism magnetic suspension carrying roller provided by the invention is as shown in figure 1, the permanent magnetism magnetic suspension support
Roller includes 1, two group of axle, 2, one groups of axial magnetic group radial direction magnetic group 3, outer magnetic support 4, interior magnetic support 5 and roller shell 6, outer magnetic support 4 and is fixedly installed
On the circumferential inner wall of roller shell 6, and interior magnetic support 5 is fixedly installed on axle 1, passes through the common work of axial magnetic group 2 and radial direction magnetic group 3
Formed not contact and be rotatably assorted with roller shell 6 and axle 1 is caused.Now axial magnetic group 2 and radial direction magnetic group 3 are all mounted on axle 1
One end, axial inner ring magnet 22 are separately mounted on the axial both sides outer face of interior magnetic support 5 and with being separately mounted to outer magnetic support 4
Axial outer ring magnet 21 on axial both sides inner face forms two groups of axial magnetic groups 2;And radial direction magnetic group 3 is located at two groups of axial magnetic groups
Between 2, and radially outer band magnet 31 is arranged in the inner radial wall of outer magnetic support 4, and radially inner band magnet 32 is arranged on interior magnetic support 5
Radially outer periphery face on.In the permanent magnetism magnetic suspension carrying roller, the axial outer ring magnet 21 and axle in every group of axial magnetic group 2 are inside
Magnet 22 is made up of circle two pairs of magnet rings respectively, the radially outer band magnet 31 in every group of radial direction magnetic group 3 and radially inner band magnet 32 divide
It is not made up of three pairs of magnet rings.When the permanent magnetism magnetic suspension carrying roller when in use, deadweight or axial load due to axle 1 make axial inner ring
When magnet 22 moves down, because the permanent magnet magnetic line of force has the property of longitudinal tensile resistence and horizontal compression resistance force so that
Corresponding magnet ring in the axial outer ring magnet 21 and axial inner ring magnet 22 that are oppositely arranged produces radial direction gravitation, adjacent magnet ring produces
Radial direction repulsion is to prevent the radial deflection of axle 1, so as to form upward support force, axle 1 is had the stability of radial direction;It is otherwise right
Axial outer ring magnet 21 is also in this way, but axial magnetic group 2 is unstable in the axial direction.It is and outside in every group of footpath being correspondingly arranged
Enclose between magnet 31 and radially inner band magnet 32, once radially inner band magnet 32 produces axial dipole field, because the permanent magnet magnetic line of force
There is the property of longitudinal tensile resistence and horizontal compression resistance force so that the radially outer band magnet 31 and axial inner ring magnet being oppositely arranged
Corresponding magnet ring in 22 produces axial gravitation, adjacent magnet ring produces vertical repulsive force to prevent the axial dipole field of axle 1, steady so as to be formed
Fixed axial force;Otherwise also it is such to radially outer band magnet 31.Axial magnetic group 2 and radial direction magnetic group 3 are used cooperatively so that axle
1 realizes suspension and reaches the requirement of stability and rigidity.
Embodiment two
The structure chart of the embodiment two of permanent magnetism magnetic suspension carrying roller provided by the invention is as shown in Fig. 2 the permanent magnetism magnetic suspension support
Roller includes 1, two group of axle, 2, one groups of axial magnetic group radial direction magnetic group 3, outer magnetic support 4, interior magnetic support 5 and roller shell 6, outer magnetic support 4 and is fixedly installed
On the circumferential inner wall of roller shell 6, and interior magnetic support 5 is fixedly installed on axle 1, passes through the common work of axial magnetic group 2 and radial direction magnetic group 3
Formed not contact and be rotatably assorted with roller shell 6 and axle 1 is caused.Now axial magnetic group 2 be mounted on respectively axle 1 both ends and radial direction
Magnetic group 3 is mounted on one end of axle 1, and outer magnetic support 4 includes outer magnetic support 1 and outer magnetic support 2 42 and interior magnetic support 5 includes interior magnetic support
One 51 and interior magnetic support 2 52;Radially inner band magnet 32 is arranged on the radially outer periphery face of interior magnetic support 1 and radially outer band magnet
31 are arranged in the inner radial wall of outer magnetic support 1 corresponding with interior magnetic support 1;And in axial inner ring magnet 22 is separately mounted to
On the axial outer end face of magnetic support 1 and interior magnetic support 2 52 and the axle with being separately mounted to outer magnetic support 1 and outer magnetic support 2 42 is inside
Axial outer ring magnet 21 on end face forms two groups of axial magnetic groups 2.In the permanent magnetism magnetic suspension carrying roller, in every group of axial magnetic group 2
Axial outer ring magnet 21 and axial inner ring magnet 22 be made up of respectively two pairs of magnet rings, the radially outer band in every group of radial direction magnetic group 3
Magnet 31 and radially inner band magnet 32 are made up of three pairs of magnet rings respectively.When the permanent magnetism magnetic suspension carrying roller when in use, due to axle 1
When deadweight or axial load move down axial inner ring magnet 22 because the permanent magnet magnetic line of force have longitudinal tensile resistence and
The property of horizontal compression resistance force so that the corresponding magnet ring production in the axial outer ring magnet 21 and axial inner ring magnet 22 that are oppositely arranged
Raw radial direction gravitation, adjacent magnet ring produce radial direction repulsion to prevent the radial deflection of axle 1, so as to form upward support force, make axle 1
Stability with radial direction;Otherwise also it is in this way, but axial magnetic group 2 is unstable in the axial direction to axial outer ring magnet 21.
And between the every group of radially outer band being correspondingly arranged magnet 31 and radially inner band magnet 32, once radially inner band magnet 32 produces axle
To skew, because the permanent magnet magnetic line of force has the property of longitudinal tensile resistence and horizontal compression resistance force so that the radial direction being oppositely arranged
Corresponding magnet ring in outer ring magnet 31 and axial inner ring magnet 22 produces axial gravitation, adjacent magnet ring produces vertical repulsive force to prevent
The axial dipole field of axle 1, so as to form stable axial force;Otherwise also it is such to radially outer band magnet 31.Axial magnetic group 2 and footpath
To being used cooperatively for magnetic group 3 so that axle 1, which is realized, suspends and reach the requirement of stability and rigidity.
The present invention has the property of longitudinal tensile resistence and horizontal compression resistance force to allow permanent magnet by using the permanent magnet magnetic line of force
Between suspension support power, axial force is perpendicular with the air gap magnetic line of force respectively and and then produces stable radial suspension force, axial direction
Power so that axial magnetic group 2 provides the axial outer ring magnet 21 of the radial suspension adjustment corresponding setting of power restriction and axial inner ring magnetic
Diametrically the moving of body 22, radial direction magnetic group 3 provide radially outer band magnet 31 and the footpath of the corresponding setting of axially adjustable power restriction
Axially opposing movement to inner ring magnet 32;The permanent-magnet bearing arrangement utilizes the permanent magnet characteristic that identical charges repel each other, there is a natural attraction between the sexes,
It can eliminate mechanical friction, reduce abrasion, energy consumption and noise, without lubricating, sealing and service life is grown, improve the spirit of carrying roller
Activity and bearing capacity.
The technological thought of above example only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within;The technology that the present invention is not directed to can be realized by prior art.