CN104179833A - Magnet fixing plate and preparation method thereof - Google Patents
Magnet fixing plate and preparation method thereof Download PDFInfo
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- CN104179833A CN104179833A CN201410380002.8A CN201410380002A CN104179833A CN 104179833 A CN104179833 A CN 104179833A CN 201410380002 A CN201410380002 A CN 201410380002A CN 104179833 A CN104179833 A CN 104179833A
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Abstract
A magnet fixing plate comprises a central through hole and a plate body; the plate body is made of a ferrite material, and is partially magnetized to form permanent magnets which surround the axis of the plate body and are arranged in such a manner that the polarities of the permanent magnets are alternate. The magnet fixing plate can form a more reasonable magnetic line envelope to prevent magnetization of a bearing, and replace a rare earth permanent magnet of which the preparation cost is very high.
Description
Technical field
The present invention relates to a kind of body structure and preparation method thereof, particularly relate to a kind of body structure for electromagnetic fan clutch and preparation method thereof.
Background technique
At present, the producer of domestic production electromagnetic fan clutch mostly adopts the mode that permanent magnet combines with electromagnet to realize to fan (except the automatically controlled silicone oil) that many rotating speeds drive.Permanent magnet can be divided into again alloy permanent magnet and the large class of ferrite permanent-magnet iron two by material, and wherein alloy permanent magnet is expensive, and ferrite is cheap.
China's invention is with the electromagnetic clutch magnet fixed disc of cyclone radiating fins, and mandate publication number is CN201714866U, and notice of authorization day 2011.01.19 discloses a kind of electromagnetic clutch magnet fixed disc with cyclone radiating fins.A kind of Design of The Electromagnetic Fan-clutch is invented by China, mandate publication number is CN201934179U, authorize and openly accuse 2011.08.17, disclose a kind of automobile fan clutch, comprised that the soft magnet being provided with in fan fixed disk inner chamber circumferential surface is corresponding with permanent magnet uniform on magnet fixed disc cylindrical.China's invention electromagnetic fan clutch, notice of authorization number is CN202483694U, authorize open day 2012.10.10, a kind of electromagnetic fan clutch is disclosed, comprise transmission shaft, drive plate, fan fixed disk, magnet fixed disc, described drive plate is arranged on described transmission shaft, and described fan fixed disk is arranged on transmission shaft by clutch shaft bearing, described magnet fixed disc is arranged on described transmission shaft, and described magnet fixed disc is for driving the transfer of described fan fixed disk differential by magnetic effect.
Adopt the structure fixed permanent magnet that permanent magnet is embedded in to magnet fixed disc excircle, in realizing differential rotation, have following problem:
Because the package space of fan fixed disk and magnet fixed disc is limited, for fixing permanent magnet as much as possible need to be implemented complicated processing technology to the circumferential section of magnet fixed disc, for adopting non-magnet material, as the magnet fixed disc that aluminium is made, make manufacture cost increase.The existing fixed structure of fixing permanent magnet is limited to technological level, there will be in actual applications a small amount of permanent magnet to get loose, and has a strong impact on the working life of clutch.
Because magnet fixed disc circumference is narrow, and in the per unit volume of ferrite permanent magnet, magnetic energy product is limited, and permanent magnet can only adopt the rare-earth magnet of high magnetic field intensity, high energy product, causes the high enterprise of manufacture cost.
Because magnet fixed disc diameter is too large, and the spacing of fan fixed disk between is radially too little, after clutch longevity of service between magnet fixed disc and transmission shaft, between fan fixed disk and transmission shaft, being connected can be loosening to some extent, so that in rotation process, there is situation about scratching between magnet fixed disc and fan fixed disk, need periodical repair to safeguard being connected between transmission shaft and magnet fixed disc, fan fixed disk, change magnet fixed disc and can make the permanent magnet waste of inlaying, for secondary uses, dismounting permanent magnet can cause again permanent magnet fragmentation, thereby has increased the cost of overhaul.
Summary of the invention
The object of this invention is to provide a kind of magnet fixed disc, cannot use ferrite permanent magnet to reduce constructions cost, the technical problem of fixed permanent magnet complex process for solving existing magnet fixed disc.
The present invention also provides a kind of method of making above-mentioned magnet fixed disc.
Magnet fixed disc of the present invention, comprise central through bore, disk body, described disk body is circumferentially connected in sequence by the identical fan-shaped sheet material edge of several central angle angles, and fan-shaped sheet material is ferrite, fan-shaped sheet material, along disk body radial magnetizing, forms the magnetic pole around the alternating polarity of disk body axis.
The described disk body entirety being circumferentially connected in sequence by fan-shaped sheet material edge is processed by ferrite, is provided with the boss of space on the excircle of described disk body, and boss, along disk body axial charging, forms the magnetic pole around the alternating polarity of described disk body axis.
Described boss is a cylinder, the axial and disk body parallel to an axis of cylinder.
Described boss is a rectangle band, and adjacent described rectangle band is parallel to each other, and the long limit of described rectangle band and disk body axis are 55～70 degree angles.
Described central through bore is nested with fixes the first annular sheet metal, described the first annular sheet metal is soft magnet material, the annulus width of the first annular sheet metal is equal to or less than the annulus width of described disk body, described the first annular sheet metal is nested with fixes the second annular sheet metal, described the second annular sheet metal is non-magnet material, and the annulus width of the second annular sheet metal is equal to or greater than the annulus width of described disk body.
On the top layer of other all exposures of the disk body except the periphery curved wall of fan-shaped sheet material, be coated with resistance magnetic material.
On the top layer of other all exposures of the magnet fixed disc outside the end face at boss polarity place, be coated with resistance magnetic material.
Boss is coated with linear resistance magnetic material along the disk body outer peripheral sidewall between two side, adjacent two boss corresponding between two axial sides of disk body, adjacent two boss.
Boss is coated with linear resistance magnetic material along the disk body outer peripheral sidewall between two side, adjacent two boss corresponding between two axial sides of disk body, adjacent two boss.
The excircle sidewall of being close to the disk body between the left and right sidewall, outer peripheral sidewall, adjacent two boss of boss is equipped with linear resistance magnetic material.
The excircle sidewall of being close to the disk body between the left and right sidewall, outer peripheral sidewall, adjacent two boss of boss is equipped with linear resistance magnetic material.
A method of manufacturing magnet fixed disc, comprises the following steps:
By some fan-shaped sheet material along disk body radial magnetizing;
The described fan-shaped sheet material edge identical with some central angles circumferentially connects successively, and composition disk body, forms the magnetic pole around the alternating polarity of described disk body axis;
Apply resistance magnetic material in the particular surface of described disk body;
Be wound around linear resistance magnetic material at the privileged site of described disk body.
Magnet fixed disc of the present invention utilizes Ferrite Material to mould disk body, utilize on disk body integrated boss and disk body edge as magnetic pole, make more succinctly more easily processing of body structure, take full advantage of the Economy of Ferrite Material, be more conducive to parts/maintenance and replacement in using process.The pole form and the arrangement mode that adopt sintering or adhesive form to form are more flexible, can form more rational magnetic line of force envelope, have avoided the high customization cost of rare-earth permanent magnet.
Utilize the magnetoresistive characteristic of specific magnetoresistance material, change the magnetic energy product between adjacent pole, make maximum magnetic energy product as far as possible near disk body outer space, increase the density of line of magnetic force in air gap between fan fixed disk and magnet fixed disc, make the interaction force between magnetic pole on soft magnet material in fan fixed disk and magnet fixed disc reach further reinforcement, approach or reach the action effect while using expensive rare-earth permanent magnet.
And then utilize thermal conductive resin and the toughness of resistance magnetic material, reinforce ferrite disk body and magnetic pole, overcome ferritic fragility and be heated cannot balanced heat radiation shortcoming, further lengthened the working life of ferrite disk body.
Below in conjunction with accompanying drawing, embodiments of the invention are described further.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment's disk body of magnet fixed disc of the present invention;
Fig. 2 is the structural representation of the another kind of embodiment's disk body of magnet fixed disc of the present invention;
Fig. 3 is the another kind of magnetic pole distribution schematic diagram on magnet fixed disc periphery curved wall of the present invention;
Fig. 4 is the local side view cutaway drawing of excircle in the another kind of embodiment of magnet fixed disc of the present invention;
What Fig. 5 was magnet fixed disc of the present invention the magnetic line of force between adjacent pole changes before and after coating resistance magnetic material overlooks comparison schematic diagram;
Fig. 6 is the pole arrangement schematic diagram after a kind of radial magnetizing of magnet fixed disc of the present invention;
Fig. 7 is the pole arrangement schematic diagram after a kind of axial charging of magnet fixed disc of the present invention;
Fig. 8 is the winding structure schematic diagram that fan-shaped sheet material magnetizes;
Fig. 9 is the structural representation that magnet fixed disc shown in Fig. 1 is wound around linear resistance magnetic material;
Figure 10 is the structural representation that magnet fixed disc shown in Fig. 2 is wound around linear resistance magnetic material;
Figure 11 is tube-in-tube structure schematic diagram;
Figure 12 is the wire winding structure schematic diagram that sleeve coordinates with boss.
Embodiment
Embodiment 1
As shown in Figure 1, disk body 01 is circumferentially connected in sequence by identical fan-shaped sheet material 02 edge of several central angle angles, disk body 01 center offers through hole, make each fan-shaped sheet material 02 comprise all curved wall 02-3 and two radial sidewalls 02-2 that are connected homonymy curved wall end line in a periphery curved wall 02-1,, on the periphery curved wall of each fan-shaped sheet material, be provided with boss 03,03 of adjacent lands forms groove.Boss 03 is a cylinder, the axial and disk body parallel to an axis of cylinder, and the horizontal cross sectional geometry of cylinder is rectangle, similar round, triangle or trapezoidal.
Fan-shaped sheet material 02 and boss 03 adopt the powder sintered or bonding of Ferrite Material to form, and utilize pulsed magnetizer to carry out radial magnetizing to fan-shaped sheet material 02, make the magnetic flux of the boss 03 on fan-shaped sheet material 02 periphery curved wall reach setting value and set polarity.Each disk body 01 is formed by fan-shaped sheet material 02 sintering or bonding, and the polarity of adjacent fan-shaped sheet material 02 convex platform 03 is contrary.
The concrete grammar that in above-described embodiment, fan-shaped sheet material 02 carries out radial magnetizing is:
With reference to figure 8, close around wire on the length direction perpendicular to fan-shaped sheet material 02, the close width around wire 02a accounts for the more than 2/3rds of fan-shaped sheet material 02 length (maximizing magnetization efficiency), then two Outlet 02b of wire are received on the terminal of pulsed magnetizer, utilize pulsed magnetizer in wire, to produce the direct current (d.c.) of acute variation, thereby around fan-shaped sheet material 02, produce strong magnetic field, fan-shaped sheet material 02 is magnetized into N, the S utmost point of length direction under the induction of high magnetic fields; The lead end that exchange is connected with the terminal of pulsed magnetizer magnetizes and can draw opposite polarity fan-shaped sheet material.
The present embodiment adopts Ferrite Material, utilizes fan-shaped sheet material 02 excircle and boss 03 to form the permanent magnet that volume is larger, utilizes boss 03 on disk body 01 excircle, to form the staggered magnetic field structure of polarity.The present embodiment has been simplified the complicated processing technique that disk body is combined with rare-earth permanent magnet, in reducing permanent magnet cost, by permanent magnet volume, has ensured that the magnetic flux density of magnetic pole is not obvious lower than rare-earth permanent magnet.
Need and magnetic flux density needs according to pole arrangement, and the consideration of disk body diameter, on the periphery curved wall 02-1 of each fan-shaped sheet material 02, be arranged to several boss 03, now the pole polarity alternative arrangement on disk body excircle.
Based on above-described embodiment, as shown in Figure 4, upper at disk body 01, on the gap of lower surface and boss 03 and sidewall, apply resistance magnetic material 04, resistance magnetic material 04 should be selected copper or silver, the method that applies resistance magnetic material can adopt galvanoplastic, Brush Plating, the methods such as thermal spraying, when concrete coating, use the protection paster equating with the outer peripheral sidewall shape size of boss 03 to be attached in the outer peripheral sidewall of boss 03, adopt again afterwards above-mentioned painting method that resistance magnetic material is coated in to all top layers that disk body 01 exposes, after coating completes, take protection paster off and can (hinder the THICKNESS CONTROL of magnetic material 04 in 0.5 millimeter, avoid increasing the volume of magnet fixed disc).Utilize the magnetic resistance of resistance magnetic material to be greater than the characteristic of air reluctance, make the part magnetic line of force between two neighboring pole produce roundabout, more be partial in the air space of disk body periphery roundabout, increase the local magnetic line of force, magnetic line of force envelope is space extension laterally as far as possible, realizes in the time that each magnetic pole magnetic flux is not strengthened, and the magnetic energy product of disk body periphery strengthens, and then the interaction force between disk body is further strengthened, overcome Ferrite Material Magnetic flux density and be weaker than the defect of rare-earth permanent magnet.
As shown in Figure 9, further, apply linear resistance magnetic material along being wound around boss 03 perpendicular to disk body 01 radial direction, use simultaneously linear resistance magnetic material by central through bore along disk body radially around the space (being boss gap) between adjacent two boss 03, with the space between whole adjacent two boss 03 of single-layer wire form drag magnetic material covering, directly guiding linear resistance magnetic material into adjacent boss gap is afterwards wound around, successively all boss gap is covered to (the linearity resistance magnetic material that adopts diameter to be less than 0.5 millimeter with linear resistance magnetic material, and be only wound around individual layer, avoid increasing the volume of magnet fixed disc), on the basis of improving each magnetic poles energy product, reinforce disk body by the method, make disk body can overcome higher centrifugal force, adapt to higher rotating speed, avoid adopting the rigidity defect of the disk body of Ferrite Material sintering or bonding.For the rigidity that improves disk body changes with the internal stress that overcomes Ferrite Material, can also adopt band form drag magnetic material hoop on the violent position or structure of disk body STRESS VARIATION, linear resistance magnetic material adopts thin copper wire, and is wound up as individual layer, avoids strengthening the size of disk body 01.
Further can directly embed resistance magnetic material at the gap location of boss 03, improve the roundabout difficulty of the magnetic line of force between adjacent pole, resistance magnetic material adopts copper or silver.
Embodiment 2
Be processed into disk body 01 described in embodiment 1 with a monoblock ferrite, centered by the center of circle of disk body 01, offer central through bore, and on the circumferential side wall of disk body 01, process the boss 03 evenly distributing alternately, utilize pulsed magnetizer to carry out axial charging to each boss 03 on disk body 01, adjacent boss 03 polarity is contrary.
In above-described embodiment, boss 03 is carried out to the concrete grammar of axial charging as follows:
As shown in figure 11, sleeve 13 is less than or equal to the half (for making to overlap the boss 03 that exposes as much as possible after upper bush) of the width of boss 03 respective direction along the width of disk body 01 radial direction, sleeve 13 is along being respectively arranged with fixing bolt 13-1 on the edge near disk body axle center on two axial end faces of disk body 01, sleeve 13 is respectively arranged with the winding displacement arm 13-2 of two protrusions on two end faces between two boss 03 near the edge of disk body central shaft, two winding displacement arm 13-2 of every side are along disk body axially-aligned, distance between two winding displacement arm 13-2 of homonymy is greater than boss 03 along 2/3rds of disk body 01 axial thickness, fixing bolt 13-1 is for fixed muffle 13, and winding displacement arm 13-2 is used for assisting winding displacement,
As shown in figure 11, after a sleeve 13 matching with the shape of boss 03 is socketed on boss 03, tighten two fixing bolts, by fixing sleeve 13, then centered by two corresponding winding displacement arm 13-2 of sleeve 13 axial side near disk body, be wound around with wire, terminal of one termination pulsed magnetizer of wire, the other end of wire is walked around one of them winding displacement arm 13-2, afterwards around the outer peripheral sidewall to boss 03, afterwards around to another winding displacement arm 13-2, and then by wire around the outer peripheral sidewall to boss 03, carry out successively winding of single layer, wire is guided into two corresponding winding displacement arm 13-2 of the axial opposite side of disk body in the time that wire is discharged to the axial centerline of outer peripheral sidewall of boss 03, carry out same winding, after wire is booked the outer peripheral sidewall of whole boss 03, wire terminals is connected with another terminal of pulsed magnetizer, so far, complete coiling wiring work, unbalanced pulse magnetizer magnetizes, equally the terminal by exchange wire and pulsed magnetizer be connected to change the magnetize direction of the magnetic pole obtaining of boss, complete one by one according to the method described above magnetizing to all boss 03.
Based on above-described embodiment, upper at disk body 01, the gap of lower surface and boss 03, on sidewall, apply resistance magnetic material 04, resistance magnetic material 04 should be selected copper or silver, the method that applies resistance magnetic material can adopt galvanoplastic, Brush Plating, the methods such as thermal spraying, when concrete coating, use the protection paster matching with the upper and lower surface geomery of boss 03 to be attached to the upper and lower surface of boss 03, adopt afterwards above-mentioned painting method that resistance magnetic material is coated to disk body 01 and be exposed to outer all top layers, after coating completes, take protection paster off and can (hinder the THICKNESS CONTROL of magnetic material 04 in 0.5 millimeter, avoid increasing the volume of magnet fixed disc).Utilize the magnetic resistance of resistance magnetic material to be greater than the characteristic of air reluctance, make the part magnetic line of force between two neighboring pole produce roundabout, more be partial in the air space of disk body periphery roundabout, increase the local magnetic line of force, magnetic line of force envelope is space extension laterally as far as possible, realizes in the time that each magnetic pole magnetic flux is not strengthened, and the magnetic energy product of disk body periphery strengthens, and then the interaction force between disk body is further strengthened, overcome Ferrite Material Magnetic flux density and be weaker than the defect of rare-earth permanent magnet.
Further, apply linear resistance magnetic material and be wound around disk body, (the linearity resistance magnetic material that adopts diameter to be less than 0.5 millimeter, and be only wound around individual layer, avoid increasing the volume of magnet fixed disc), on the basis of improving each magnetic poles energy product, reinforce disk body by the method, make disk body can overcome higher centrifugal force, adapt to higher rotating speed, avoided adopting the rigidity defect of the disk body of Ferrite Material sintering or bonding.For the rigidity that improves disk body changes with the internal stress that overcomes Ferrite Material, can also adopt band form drag magnetic material hoop on the violent position or structure of disk body STRESS VARIATION, linear resistance magnetic material adopts thin copper wire, and just around being individual layer, avoids strengthening the size of disk body 01.
The winding method of above-mentioned linear resistance magnetic material is specially:
As shown in figure 10, linear resistance magnetic material 10-1 is close to the excircle sidewall of the disk body 01 between left and right sidewall, outer peripheral sidewall and adjacent two boss 03 of boss 03 and lays, and axially boss 03 outer peripheral sidewall is all covered along disk body; The linear resistance magnetic of this external application material by central through bore around radially carrying out winding of single layer to the space between adjacent two boss 03 along disk body, boss space is wrapped over and directly turns to next space to be wound around linear resistance magnetic material afterwards, until the space between all boss 03 has been wound around, this linear resistance magnetic material being radially wound around along disk body, except playing resistance magnetic action, also plays fixation to the linear resistance magnetic material of circumferential laying.
Further can directly embed resistance magnetic material at the gap location of boss 03, improve the roundabout difficulty of the magnetic line of force between adjacent pole, resistance magnetic material adopts copper or silver.
On the basis of above-described embodiment, as shown in Figure 2, in the central through bore of disk body 01, fixing nested the first annular sheet metal 11, the first annular sheet metals 11 is soft magnet material, and its annulus width is equal to or less than the annulus width of described disk body 01; In the first annular sheet metal 11, fixing nested the second annular sheet metal 12, the second annular sheet metals 12 is non-magnet material again, and as aluminium, its annulus width is equal to or greater than the annulus width of disk body 01.Between each annular sheet metal, between annular sheet metal and disk body 01, adopt the mode of interference fit to be fixed as one.Adopt this different materials in conjunction with the magnet fixed tray forming, can reduce the application of Ferrite Material, to avoid Ferrite Material limited by moulding process, in the time that operating mode frequency is done rotation motion, be prone to the phenomenon of resonant vibration.Can utilize the first annular sheet metal 11 and the second annular sheet metal 12 to shield stronger magnetic pole and magnetic field simultaneously, avoid the bearing that connects magnet fixed tray to be magnetized, the Ring Width of adjusting the first annular sheet metal 11 and the second annular sheet metal 12 can change the resonant frequency of whole disk body, adapts to higher frequency of okperation.
Embodiment 3
Be illustrated in figure 3 the expansion schematic diagram of magnet fixed disc periphery curved wall, the rectangle band that boss 03 is high-aspect-ratio, on periphery curved wall, adjacent rectangle band 03 is parallel to each other, pole polarity is contrary, and the long limit of rectangle band 04 and disk body axis are 55～70 degree angles.The horizontal cross sectional geometry of rectangle band is rectangle, similar round, triangle or trapezoidal.
Utilize the rectangle band coiling length on all curved walls outside, can make the two ends of a rectangle band produce respectively the magnetic line of force with two adjacent rectangle bands and inhale mutually, form continuous magnetic line of force envelope around periphery curved wall, improve magnetic flux density.
In above-described embodiment, adopt the magnetize mode identical with embodiment 1 to obtain the alternate boss of polarity 03.
Based on above-described embodiment, upper at disk body 01, on the gap of lower surface and boss 03 and sidewall, apply resistance magnetic material 04, resistance magnetic material 04 should be selected copper or silver, the method that applies resistance magnetic material can adopt galvanoplastic, Brush Plating, the methods such as thermal spraying, when concrete coating, use the protection paster equating with the outer peripheral sidewall shape size of boss 03 to be attached in the outer peripheral sidewall of boss 03, adopt again afterwards above-mentioned painting method that resistance magnetic material is coated in to all top layers that disk body 01 exposes, after coating completes, take protection paster off and can (hinder the THICKNESS CONTROL of magnetic material 04 in 0.5 millimeter, avoid increasing the volume of magnet fixed disc).Utilize the resistance magnetic of resistance magnetic material to be greater than the characteristic of air reluctance, make the part magnetic line of force between two neighboring pole produce roundabout, more be partial in the air space of disk body periphery roundabout, increase the local magnetic line of force, magnetic line of force envelope is space extension laterally as far as possible, realizes in the time that each magnetic pole magnetic flux is not strengthened, and the magnetic energy product of disk body periphery strengthens, and then the interaction force between disk body is further strengthened, overcome Ferrite Material Magnetic flux density and be weaker than the defect of rare-earth permanent magnet.
Further, apply linear resistance magnetic material along being wound around boss 03 perpendicular to disk body 01 radial direction, use simultaneously linear resistance magnetic material by central through bore along disk body radially around the space (being boss gap) between adjacent two boss 03, with the space between whole adjacent two boss 03 of single-layer wire form drag magnetic material covering, directly guiding linear resistance magnetic material into adjacent boss gap is afterwards wound around, successively all boss gap is covered to (the linearity resistance magnetic material that adopts diameter to be less than 0.5 millimeter with linear resistance magnetic material, and be only wound around individual layer, avoid increasing the volume of magnet fixed disc), on the basis of improving each magnetic poles energy product, reinforce disk body by the method, make disk body can overcome higher centrifugal force, adapt to higher rotating speed, avoid adopting the rigidity defect of the disk body of Ferrite Material sintering or bonding.For the internal stress that improves the rigidity of disk body and overcome Ferrite Material changes, can also adopt band form drag magnetic material hoop on the violent position or structure of disk body STRESS VARIATION.
Further, between boss 03, embed resistance magnetic material, improve the roundabout difficulty of the magnetic line of force between adjacent pole.
As shown in Figure 5, before increase resistance magnetic material 04, the magnetic line of force circuitous path of two neighboring pole more concentrates in the shortest space of distance between the two poles of the earth, when increasing after resistance magnetic material 04, many magnetic line of force circuitous paths of two neighboring pole, need to be roundabout by outer space by forcibly changing, and the magnetic energy product in outer space is changed, more be conducive to produce interaction, the utilization that has improved two interpolar magnetic flux energy with coordinating disk body.
As shown in Figure 6 and Figure 7, be respectively fan-shaped sheet material 02 circumference and boss 03 are carried out axially and the ferrite fixed tray of radial magnetizing, can also carry out different radial and axial mixing to the boss 03 on same ferrite fixed tray magnetizes simultaneously, in conjunction with the coating of resistance magnetic material, can form more complicated magnetic line of force envelope, be applicable to the structure characteristic of cooperating fan fixed tray.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skill in the art make technological scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (19)
1. a magnet fixed disc, comprise central through bore, disk body (01), it is characterized in that, described disk body (01) is circumferentially connected in sequence by identical fan-shaped sheet material (02) edge of several central angle angles, fan-shaped sheet material (02) is ferrite, fan-shaped sheet material (02), along disk body (01) radial magnetizing, forms the magnetic pole around the alternating polarity of disk body axis.
2. magnet fixed disc according to claim 1, it is characterized in that, described disk body (01) entirety being circumferentially connected in sequence by fan-shaped sheet material (02) edge is processed by ferrite, on the excircle of described disk body (01), be provided with the boss (03) of space, boss (03), along disk body (01) axial charging, forms the magnetic pole around the alternating polarity of described disk body axis.
3. according to the magnet fixed disc of stating of claim 2, it is characterized in that, described boss (03) is a cylinder, cylinder axially and disk body parallel to an axis.
4. magnet fixed disc according to claim 2, is characterized in that, described boss (03) is a rectangle band, and adjacent described rectangle band is parallel to each other, and the long limit of described rectangle band and disk body axis are 55～70 degree angles.
5. according to the arbitrary described magnet fixed disc of claim 1 to 4, it is characterized in that, described central through bore is nested with fixes the first annular sheet metal (11), described the first annular sheet metal (11) is soft magnet material, the annulus width of the first annular sheet metal (11) is equal to or less than the annulus width of described disk body (01), described the first annular sheet metal (11) is nested with fixes the second annular sheet metal (12), described the second annular sheet metal (12) is non-magnet material, the annulus width of the second annular sheet metal (12) is equal to or greater than the annulus width of described disk body (01).
6. magnet fixed disc according to claim 1, is characterized in that, is coated with resistance magnetic material on the top layer of other all exposures of the disk body (01) except the periphery curved wall (02-1) of fan-shaped sheet material (02).
7. according to the arbitrary described magnet fixed disc of claim 2 to 4, it is characterized in that, on the top layer of other all exposures of the magnet fixed disc outside the end face at boss (03) polarity place, be coated with resistance magnetic material.
8. magnet fixed disc according to claim 1, it is characterized in that, boss (03) is coated with linear resistance magnetic material along the disk body outer peripheral sidewall between two side, adjacent two boss (03) corresponding between two axial sides of disk body, adjacent two boss (03).
9. magnet fixed disc according to claim 8, it is characterized in that, described central through bore is nested with fixes the first annular sheet metal (11), described the first annular sheet metal (11) is soft magnet material, the annulus width of the first annular sheet metal (11) is equal to or less than the annulus width of described disk body (01), described the first annular sheet metal (11) is nested with fixes the second annular sheet metal (12), described the second annular sheet metal (12) is non-magnet material, the annulus width of the second annular sheet metal (12) is equal to or greater than the annulus width of described disk body (01).
10. according to the arbitrary described magnet fixed disc of claim 2 to 4, it is characterized in that, the excircle sidewall of being close to the disk body (01) between the left and right sidewall, outer peripheral sidewall, adjacent two boss (03) of boss (03) is equipped with linear resistance magnetic material.
11. magnet fixed discs according to claim 10, it is characterized in that, described central through bore is nested with fixes the first annular sheet metal (11), described the first annular sheet metal (11) is soft magnet material, the annulus width of the first annular sheet metal (11) is equal to or less than the annulus width of described disk body (01), described the first annular sheet metal (11) is nested with fixes the second annular sheet metal (12), described the second annular sheet metal (12) is non-magnet material, the annulus width of the second annular sheet metal (12) is equal to or greater than the annulus width of described disk body (01).
Manufacture the method for magnet fixed disc for 12. 1 kinds, it is characterized in that, comprise the following steps:
By some fan-shaped sheet materials (02) along disk body (01) radial magnetizing;
Described fan-shaped sheet material (02) edge identical with some central angles circumferentially connects successively, and composition disk body (01), forms the magnetic pole around the alternating polarity of described disk body (01) axis;
Apply resistance magnetic material in the particular surface of described disk body (01);
Be wound around linear resistance magnetic material at the privileged site of described disk body (01).
The method of 13. manufacture magnet fixed discs according to claim 12, is characterized in that, is processed into described disk body (01) with a monoblock ferrite;
On the excircle of described disk body (01), process the boss (03) of space;
To described boss (03) along described disk body (01) axial charging.
The method of 14. manufacture magnet fixed discs according to claim 12, is characterized in that, by described fan-shaped sheet material (02) along the concrete grammar of disk body (01) radial magnetizing is:
Close around wire on the length direction perpendicular to described fan-shaped sheet material (02);
Two Outlets (02b) of wire are received on the terminal of pulsed magnetizer, and unbalanced pulse magnetizer, magnetizes into described fan-shaped sheet material (02) N, the S utmost point of length direction;
Being connected of the terminal of exchange wire and pulsed magnetizer, unbalanced pulse magnetizer, fills described fan-shaped sheet material (02) with above-mentioned steps and fills the polarity the contrary magnetic pole that distributes;
Complete one by one according to the method described above magnetizing to all fan-shaped sheet material (02).
The method of 15. manufacture magnet fixed discs according to claim 14, is characterized in that, the concrete grammar that applies resistance magnetic material in the particular surface of described disk body (01) is:
Be attached in the outer peripheral sidewall of described boss (03) with the protection paster equating with the outer peripheral sidewall shape size of described boss (03);
Adopt galvanoplastic or Brush Plating or heat spraying method that resistance magnetic material is coated in to all top layers that described disk body (01) exposes; Take protection paster off.
The method of 16. manufacture magnet fixed discs according to claim 14, is characterized in that, the concrete grammar that is wound around linear resistance magnetic material at the privileged site of described disk body (01) is:
Adopt linear resistance magnetic material along being wound around described boss (03) perpendicular to described disk body (01) radial direction, with linear resistance magnetic material by central through bore around carrying out winding of single layer to the space between two boss (03).
The method of 17. manufacture magnet fixed discs according to claim 13, is characterized in that, to described boss (03) along the concrete grammar of described disk body (01) axial charging is:
Sleeve (13) is socketed in to described boss (03) upper, tightens fixing bolt (13-1);
Wire is wound around accordingly around four winding displacement arms (13-2) of crossing described sleeve (13);
The two ends of wire are connected respectively to pulsed magnetizer terminal, and unbalanced pulse magnetizer magnetizes;
Being connected of the terminal of exchange wire and pulsed magnetizer, unbalanced pulse magnetizer, fills described boss (03) with above-mentioned steps and fills the polarity the contrary magnetic pole that distributes;
Complete one by one according to the method described above magnetizing to all boss (03).
The method of 18. manufacture magnet fixed discs according to claim 17, is characterized in that, the concrete grammar that applies resistance magnetic material in the particular surface of described disk body (01) is:
Be attached to the upper and lower surface of described boss (03) with the protection paster matching with the upper and lower surface geomery of described boss (03);
Adopt galvanoplastic or Brush Plating or heat spraying method that resistance magnetic material is coated in to all top layers that described disk body (01) exposes; Take protection paster off.
The method of 19. manufacture magnet fixed discs according to claim 17, is characterized in that, the concrete grammar that is wound around linear resistance magnetic material at the privileged site of described disk body (01) is:
Adopt linear resistance magnetic material be close to the disk body (01) between the left and right sidewall of described boss (03), outer peripheral sidewall and adjacent two boss (03) excircle sidewall lay, the linear resistance magnetic of this external application material by central through bore around carrying out winding of single layer to the space between two boss (03).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380002.8A CN104179833B (en) | 2014-08-04 | A kind of magnet fixed disc and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380002.8A CN104179833B (en) | 2014-08-04 | A kind of magnet fixed disc and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104179833A true CN104179833A (en) | 2014-12-03 |
| CN104179833B CN104179833B (en) | 2017-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499721A (en) * | 2018-11-06 | 2019-03-22 | 刘见虎 | A kind of active carbon milling apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004176799A (en) * | 2002-11-26 | 2004-06-24 | Usui Kokusai Sangyo Kaisha Ltd | Magnet type fan clutch device |
| CN201714866U (en) * | 2010-06-13 | 2011-01-19 | 龙口中宇机械有限公司 | Electromagnetic clutch magnet fixed disc with cyclone radiating fins |
| CN102094911A (en) * | 2010-12-27 | 2011-06-15 | 龙口中宇机械有限公司 | Magnet fixing disk with cyclone heat dissipation fan blades |
| CN204284253U (en) * | 2014-08-04 | 2015-04-22 | 王兆宇 | A kind of magnet fixed disc |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004176799A (en) * | 2002-11-26 | 2004-06-24 | Usui Kokusai Sangyo Kaisha Ltd | Magnet type fan clutch device |
| CN201714866U (en) * | 2010-06-13 | 2011-01-19 | 龙口中宇机械有限公司 | Electromagnetic clutch magnet fixed disc with cyclone radiating fins |
| CN102094911A (en) * | 2010-12-27 | 2011-06-15 | 龙口中宇机械有限公司 | Magnet fixing disk with cyclone heat dissipation fan blades |
| CN204284253U (en) * | 2014-08-04 | 2015-04-22 | 王兆宇 | A kind of magnet fixed disc |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499721A (en) * | 2018-11-06 | 2019-03-22 | 刘见虎 | A kind of active carbon milling apparatus |
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