CN104022618A - Permanent magnetic coupler, small stirring machine using same and manufacturing method of permanent magnetic coupler - Google Patents
Permanent magnetic coupler, small stirring machine using same and manufacturing method of permanent magnetic coupler Download PDFInfo
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- CN104022618A CN104022618A CN201410253922.3A CN201410253922A CN104022618A CN 104022618 A CN104022618 A CN 104022618A CN 201410253922 A CN201410253922 A CN 201410253922A CN 104022618 A CN104022618 A CN 104022618A
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- shaft coupling
- fixed disk
- back iron
- magnet steel
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Abstract
The invention provides a permanent magnetic coupler, a small stirring machine using the permanent magnetic coupler and a manufacturing method of the permanent magnetic coupler. The permanent magnetic coupler comprises an upper coupler assembly (I) and a lower coupler part (II), the upper coupler assembly (I) and the lower coupler part (II) are correspondingly provided with magnetic steel (9 and 13), back iron (10 and 14) and fixing plates (6 and 16). In the upper coupler assembly (I) and the lower coupler part (II), the back iron (10 and14) is combined with fixing plate inserts in a die casting mode, and the magnetic steel (9 and13) is fixed to the back iron (10 and 14). According to the permanent magnetic coupler, non-contact stable transmission can be achieved. The verticality of the plane where a shaft and the surface of the back iron are located can be improved by means of an assembly structure and/or an assembly process of the back iron relative to the fixing plates, and accordingly vibration and noise during rotation are reduced.
Description
Technical field
The present invention relates to a kind of permanent magnet clutch, in particular to a kind of permanent magnet clutch for pony mixer, the manufacture method of this shaft coupling and the pony mixer of applying this permanent magnet clutch.
Background technology
Permanent magnet clutch a kind of shaft coupling that to be magnetic force by permanent magnet link up prime mover and working machine, it is without direct mechanical attachment, but utilize the interaction between rare-earth permanent magnet, utilize the characteristic of the penetrable certain space length in magnetic field and material, carry out the transmission of mechanical energy.
Mixer can be stirred rapidly in order to make to stir thing; conventionally the rotating speed stirring is all very high; generally all per minutely want up to ten thousand turning, especially for household small-size mixer conventionally relatively simple for structure, reducing vibrations and safeguard protection is provided is all to need the problem considered.
Summary of the invention
In order one of to solve the problems of the technologies described above, according to an aspect of the present invention, a kind of permanent magnet clutch for pony mixer is provided, it comprises: shaft coupling top assembly and shaft coupling lower component, at shaft coupling top assembly and shaft coupling lower component correspondence, be provided with magnet steel, back iron and fixed disk, wherein, in shaft coupling top assembly or shaft coupling lower component, back iron and the die casting of fixed disk inserts combine; Magnet steel is fixed on back iron.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, shaft coupling top assembly or shaft coupling lower component also comprise pressing plate, and the inclined-plane of pressing plate is pressed in the inclined-plane of magnet steel, and pressing plate is fixed in fixed disk.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, shaft coupling top assembly and shaft coupling lower component also comprise the combination of axle or axle and sleeve, axle or sleeve with back iron together with the die casting of fixed disk inserts, wherein, the centre of fixed disk is fixed in axle or sleeve die casting, and the card of fixed disk is fixed in back iron die casting.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, one or more in fixed disk, back iron and pressing plate have axially symmetric structure, and magnet steel axial symmetry arranges.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, magnet steel and the corresponding setting of back iron of the magnet steel of shaft coupling top assembly and back iron and shaft coupling lower component.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, shaft coupling top assembly and shaft coupling lower component also comprise the combination of axle or axle and sleeve, wherein, axle or sleeve have the structure matching with fixed disk, and this cooperation can be one or more during interference fit, step cooperation and flat filament coordinate.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, shaft coupling top assembly and shaft coupling lower component also comprise axle and support bearing, this bearing and the axle interference fit of this axle.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, shaft coupling top assembly also comprises: friction plate, brake fixture, brake magnet steel and spring, and wherein, friction plate bonding is fixed on brake fixture; Brake fixture is provided with hole or the groove that holds the magnet steel that brakes; Brake magnet steel is put into hole or the groove fixing of brake fixture; Spring is contained in the fixed disk of shaft coupling top assembly; Brake magnet steel be subject to spring and/or be arranged at shaft coupling lower component magnet ring effect and move, thereby the fixture that makes to brake moves in being arranged at the pilot hole of fixed disk of shaft coupling top assembly or gathering sill.
According to the permanent magnet clutch of the embodiment of the present invention, alternatively, shaft coupling top assembly also comprises circlip, and this circlip is connected in the pilot hole or gathering sill of fixed disk, the movement of restriction brake fixture.
According to a further aspect in the invention, provide a kind of pony mixer, it has comprised aforesaid permanent magnet clutch.
According to another aspect of the invention, provide a kind of manufacture method of the permanent magnet clutch for pony mixer, it is characterized in that, having comprised: back iron and the die casting of fixed disk inserts have been combined; With epoxy glue, magnet steel is fixed on back iron; The inclined-plane of pressing plate is pressed on the inclined-plane of magnet steel; With screw, pressing plate is fixed on to fixed disk.
According to the permanent magnet clutch manufacture method of the embodiment of the present invention, alternatively, before magnet steel is fixed on to back iron, axle or sleeve and fixed disk are installed together, the axis of axle or sleeve of take is again clamping center, the cylindrical of car fixed disk, the cylindrical of fixed disk of then take is clamping center, the surface of processing magnet steel.
According to the permanent magnet clutch manufacture method of the embodiment of the present invention, alternatively, axle or sleeve together with the die casting of fixed disk inserts, wherein, during die casting fixed disk, are fixed on axle or sleeve die casting the centre of fixed disk with back iron; Back iron die casting is fixed on to the card of fixed disk; The cylindrical of car fixed disk centered by the axis of axle or sleeve; Centered by the cylindrical of fixed disk, the surface of back frame iron makes this back iron surfacing, then pastes magnet steel in back iron surface with epoxy glue.
In accordance with a further aspect of the present invention, provide a kind of permanent magnet clutch, it is manufactured according to aforesaid permanent magnet clutch manufacture method.
According to the permanent magnet clutch of the embodiment of the present invention and applied the mixer of this permanent magnet clutch, by adopting upper and lower two-part permanent magnet clutch, the principle of utilizing magnetic to transmit, realizes contactless steady transmission, reduces vibrations and noise; Can also shaft coupling top assembly can be located extremely automatically with shaft coupling lower component by N, S by the magnetic pole of magnet steel is set, improve stability; Further can for the assembly structure of fixed disk and/or assembly technology, improve the perpendicularity of axle and place, back iron surface plane by back iron is set, thus vibrations and noise while reducing rotation.
In addition, according to the permanent magnet clutch of the embodiment of the present invention, can also comprise safety automation braking mechanism simple in structure.When operating personnel pick up stirred vessel, mixer brakes immediately, stirs cutter and stops the rotation at once, can guarantee personal security.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing to embodiment is briefly described, apparently, the accompanying drawing in the following describes only relates to some embodiments of the present invention, but not limitation of the present invention.
Fig. 1 schematically shows according to the profile of a part for the mixer of the embodiment of the present invention;
Fig. 2 is the partial enlarged view of Fig. 1;
Fig. 3 a is the front three-dimensional view of shaft coupling top assembly and explosion figure in the same way accordingly; Fig. 3 b is the back side three-dimensional view of shaft coupling top assembly and explosion figure in the same way accordingly;
Fig. 4 is the front three-dimensional view of shaft coupling lower component and explosion figure in the same way accordingly;
Fig. 5 a shows according to the profile of the part-structure of the mixer of the embodiment of the present invention, and Fig. 5 b shows the axle construction of the shaft coupling lower component of Fig. 5 a;
Fig. 6 and Fig. 7 are according to the profile of the mixer of the embodiment of the present invention.
Reference numeral
1 output shaft
2 sleeves
3 friction plates
4 brake fixtures
5 brake magnet steel
Fixed disk on 6
7 screws
8 magnet steel pressing plates
9 magnet steel (the 9a magnet steel N utmost point, the 9b magnet steel S utmost point)
10 back irons
11 circlips
12 springs
13 magnet steel (the 13a magnet steel N utmost point, the 13b magnet steel S utmost point)
14 back irons
15 screws
16 lower fixed disks
17 bearings
18 axles
19 back irons
20 magnet rings
21 magnet steel pressing plates
22 cutters
23 containers
24 output bearings
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on described embodiments of the invention, the every other embodiment that those of ordinary skills obtain under the prerequisite without creative work, belongs to the scope of protection of the invention.
Unless otherwise defined, technical term used herein or scientific terminology should be and in field, have the ordinary meaning that the personage of general technical ability understands under the present invention." first " of using in patent application specification of the present invention and claims, " second " and similar word do not represent any order, quantity or importance, and are just used for distinguishing different parts.Equally, the similar words such as " " or " " do not represent restricted number yet, and mean and have at least one.
Fig. 1 schematically shows according to the profile of a part for the mixer of the embodiment of the present invention.As shown in Figure 1, this mixer has mainly comprised four parts: part i, shaft coupling top assembly; Part ii, shaft coupling lower component; III part, brake assemblies; IV part, non-coupling segment.Wherein, shaft coupling top assembly, shaft coupling lower component and brake assemblies belong to the coupling segment according to the embodiment of the present invention.
As shown in Figure 1, non-coupling segment mainly comprises: cutter 22 and container 23.Non-coupling segment also comprises the assemblies such as drive motors, mixer base shell (can be used for holding coupling segment and support irrotational container 23), belt wheel, but not shown in Figure 1.Cutter 22 be used for to the material to be machined in container 23 stir, the processing such as cutting.Therefore, different according to the processing mode to material to be machined, according to the mixer of the embodiment of the present invention, can also be soy bean milk making machine, juice extractor or food processor etc.
Cutter 22 can be directly driven by the output shaft of shaft coupling.Alternatively, non-coupling segment can also comprise output bearing 24.The shaft coupling output shaft that output bearing 24 supports as mechanical rotary body, load coefficient of friction and the retainer shaft center that can be used for reducing in power transmission process are fixed.Output bearing 24 can be also a part for shaft coupling top assembly.
Fig. 2 is the partial enlarged view of Fig. 1.Comparison diagram 1, Fig. 2 has saved the upper part of container 23.Shaft coupling top assembly, shaft coupling lower component and the included part of brake assemblies in Fig. 2, have further been identified.
Particularly, shaft coupling top assembly mainly comprises: output shaft 1, sleeve 2, upper fixed disk 6, screw 7, magnet steel pressing plate 8, magnet steel 9, back iron 10, circlip 11, spring 12.
Shaft coupling lower component mainly comprises: magnet steel 13, back iron 14, screw 15, lower fixed disk 16, bearing 17, axle 18, back iron 19, magnet ring 20, magnet steel pressing plate 21.
Brake assemblies mainly comprises: friction plate 3, brake fixture 4 and brake magnet steel 5.As can be seen from Figure 2, brake assemblies can be classified as a part for shaft coupling top assembly.
According to embodiments of the invention, the drive motors of mixer drives the rotation of shaft coupling lower component.Alternatively, directly driving shaft 18 rotations of drive motors, also can adopt alternate manner to drive, and for example, can belt wheel be set in shaft coupling lower component, and drive motors drives shaft coupling lower component to rotate by belt wheel transmission.In addition, alternatively, bearing 17 is set and carrys out back shaft 18, the load coefficient of friction and the retainer shaft center that are used for reducing in power transmission process are fixed.
Shaft coupling top assembly is provided with magnet steel 9 and back iron 10, accordingly, in shaft coupling lower component, is provided with magnet steel 13 and back iron 14.Magnet steel 13, back iron 14 by shaft coupling lower component are coupled with magnet steel 9, the back iron 10 of shaft coupling top assembly, by magnetic force by the rotating speed of shaft coupling lower component and transmission of torque to shaft coupling top assembly, and further by output shaft 1, pass to stirring cutter.Adopt this coupler structure, can realize smooth transfer, eliminate vibrations transmission between motor and load, allow to occur impact load, and can realize non contact transmission.
Fig. 3 a is the front three-dimensional view of shaft coupling top assembly and explosion figure in the same way accordingly; Fig. 3 b is the back side three-dimensional view of shaft coupling top assembly and explosion figure in the same way accordingly.From Fig. 3 a and Fig. 3 b, can more clearly find out the assembly relation of each part of shaft coupling top assembly.
Below in conjunction with Fig. 2, Fig. 3 a and Fig. 3 b, set forth the structure of shaft coupling top assembly.Back iron 10 is made by permeability magnetic material and is fixing with upper fixed disk 6; Upper fixed disk 6 is non-magnetic material.Magnet steel 9 is by even-even utmost point circumference uniform distribution, and adjacent two magnet steel polarity are contrary, has identified magnet steel N utmost point 9a and magnet steel S utmost point 9b in Fig. 3 a.Magnet steel 9 is made and is fixed on back iron 10 by permanent magnetic material.
If first magnet steel 9 is pasted and is fixed on back iron 10, and then magnet steel back iron assembly is pasted and is fixed on non-magnetic upper fixed disk 6, and/or by screw 7, back iron 10 is fixed on upper fixed disk, this process can cause the buckling deformation of back iron, cause magnet steel surface not in one plane, can add big bang and noise like this.
Therefore, according to embodiments of the invention, magnet steel 9 has ramp structure, and is provided with magnet steel pressing plate 8; Magnet steel pressing plate 8 is made by non-magnetic material, and pressing plate 8 has the ramp structure corresponding with the ramp structure of magnet steel 9, can be so that the inclined-plane of pressing plate 8 is pressed on the inclined-plane of magnet steel 9; Screw 7 is fixed on upper fixed disk 6 by pressing plate 8, thereby reinforces magnet steel 9 and back iron 10 by pressing plate 8.
Correspondingly, according to embodiments of the invention, when manufacturing and assemble, first, back iron 10 and upper fixed disk 6 inserts die casting are combined; Then, with epoxy glue, magnet steel 9 is fixed on back iron 10; Afterwards, the inclined-plane of pressing plate 8 is pressed on the inclined-plane of magnet steel 9; Finally, with screw 7, pressing plate 8 is fixed on to upper fixed disk 6.
The above-mentioned fixed structure for back iron and assembly technology can prevent the buckling deformation of back iron, reduce vibrations and noise.
During assembling, can also further consider the perpendicularity of output shaft 1 and the surperficial place of back iron 10 plane.Particularly, first output shaft 1 and upper fixed disk 6 are installed together, then take output shaft 1 as clamping center, the cylindrical of fixed disk 6 on car, guarantee the axiality of output shaft 1 and the cylindrical of upper fixed disk 6, then the cylindrical of above fixed disk 6 is clamping center, processes the surface of magnet steel 9.The installation of magnet steel 9 and upper fixed disk 6 as mentioned above.Alternatively, in output shaft 1 periphery, sleeve 2 is set, scheme as shown in Figure 2.Therefore for for the shaft coupling top assembly of the embodiment of the present invention and/or shaft coupling lower component, output shaft 1 also can be substituted by output shaft 1 and the combination of sleeve 2.
Alternatively, output shaft 1 with back iron 10 together with upper fixed disk 6 inserts die casting.In die casting during fixed disk 6, output shaft 1 die casting is fixed on to the centre of upper fixed disk 6, back iron 10 die casting are fixed on to the card of upper fixed disk 6, then the cylindrical of fixed disk 6 on car centered by output shaft 1, centered by the cylindrical of above fixed disk 6, the surface of back frame iron 10 makes back iron 10 surfacings again, with epoxy glue, paste magnet steel 9 in back iron 10 surfaces again, can improve thus the perpendicularity of output shaft 1 and the surperficial place of back iron 10 plane, reduced vibrations and noise.
As shown in Fig. 3 a and 3b, upper fixed disk 6, back iron 10 and pressing plate 8 all have loop configuration, and magnet steel 9 annulars arrange, and screw 7 is also symmetrical arranged with respect to output shaft 1, thereby shaft coupling top assembly basic axial symmetry on the whole, so also can be conducive to reduce vibrations and noise.
Fig. 4 is the front three-dimensional view of shaft coupling lower component and explosion figure in the same way accordingly.From Fig. 4, can more clearly find out the assembly relation of each part of shaft coupling lower component.
Be similar to shaft coupling top assembly, shaft coupling lower component is also provided with axle 18, lower fixed disk 16, magnet steel 13, back iron 14, screw 15, magnet steel pressing plate 21.
Back iron 14 is made by permeability magnetic material and is fixing with lower fixed disk 16; Lower fixed disk 16 is non-magnetic material.Magnet steel 13 is by even-even utmost point circumference uniform distribution, and adjacent two magnet steel polarity are contrary, has identified magnet steel N utmost point 13a and magnet steel S utmost point 13b in Fig. 4.Magnet steel 13 is made and is fixed on back iron 14 by permanent magnetic material.Equally, alternatively, magnet steel 13 can have ramp structure, and magnet steel pressing plate 21 is set; Magnet steel pressing plate 21 is made by non-magnetic material, and pressing plate 21 has the ramp structure corresponding with the ramp structure of magnet steel 13, can be so that the inclined-plane of pressing plate 21 is pressed on the inclined-plane of magnet steel 13; Screw 15 is fixed on lower fixed disk 16 by pressing plate 21, thereby reinforces magnet steel 14 and back iron 14 by pressing plate 21.
In addition, shaft coupling lower component also comprises back iron 19 and magnet ring 20.Wherein, back iron 19 is made by permeability magnetic material and is fixing with lower fixed disk 16; Magnet ring 20 is made by permanent magnetic material and is fixed on back iron 19, and the brake magnet steel 5 of magnet ring 20 and brake assemblies remains suction mutually.
Correspondingly, according to embodiments of the invention, when manufacturing and assemble, first, back iron 14 and back iron 19 are combined with lower fixed disk 16 inserts die casting; Then, with epoxy glue, magnet steel 13 is fixed on back iron 14, magnet ring 20 is fixed on back iron 19; Afterwards, the inclined-plane of pressing plate 21 is pressed on the inclined-plane of magnet steel 13; Finally, with screw 15, pressing plate 21 is fixed on to lower fixed disk 16.
Equally, can also further consider the perpendicularity of axle 18 and the surperficial place of back iron 14 plane during assembling.Particularly, first axle 18 and lower fixed disk 16 are installed together, then take axle 18 as clamping center, the cylindrical of car lower fixed disk 16, guarantee the axiality of axle 18 and the cylindrical of lower fixed disk 16, then to take the cylindrical of lower fixed disk 16 be clamping center, the surface of processing magnet steel 13.The installation of magnet steel 13 and lower fixed disk 16 as mentioned above.
Alternatively, axle 18, back iron 14 and back iron 19 are together with lower fixed disk 16 inserts die casting.During die casting lower fixed disk 16, axle 18 die casting are fixed on to the centre of lower fixed disk 16, back iron 14 and back iron 19 die casting are fixed on to the card of lower fixed disk 16, then the cylindrical of car lower fixed disk 16 centered by axle 18, centered by the cylindrical of lower fixed disk 16, the surface of back frame iron 14 and back iron 19 makes back iron surfacing again, with epoxy glue, paste magnet steel 13 in back iron 14 surfaces and paste magnet ring 20 and back iron 19 surfaces again, can improve thus the perpendicularity of axle 18 and back iron 14 surperficial place plane and the surperficial place of back iron 19 plane (two plane parallel or overlap), vibrations and noise have been reduced.
Be similar to Fig. 3 a and 3b, as shown in Figure 4, lower fixed disk 16, back iron 14, back iron 19, pressing plate 21 and magnet ring 20 all have loop configuration, magnet steel 13 annulars arrange, screw 15 is also symmetrical arranged with respect to axle 18, thereby shaft coupling lower component basic axial symmetry on the whole, so also can be conducive to reduce vibrations and noise.
Meanwhile, magnet steel 13 and the corresponding setting of back iron 14 of the magnet steel 9 of shaft coupling top assembly and back iron 10 and shaft coupling lower component, make shaft coupling top assembly and the lower component can automatic centering, and stability might as well.
Alternatively, by the stationarity that coordinates to improve shaft coupling running that coordinates and/or arrange in shaft coupling lower component axle 18 and lower fixed disk 16 of sleeve 2 and upper fixed disk 6 is set at shaft coupling top assembly.Fig. 5 a shows according to the profile of the part-structure of the mixer of the embodiment of the present invention, and Fig. 5 b shows the axle construction of the shaft coupling lower component of Fig. 5 a.Comparison diagram 5a and Fig. 5 b, axle 18 can comprise axle body 1801, ledge structure 1802 and flat filament structure 1803.Axle body 1801 can with lower fixed disk 16 interference fit, ledge structure 1802 coordinates with lower fixed disk 16 steps, and flat filament structure 1803 can coordinate with lower fixed disk 16 flat filaments.These three kinds of fit systems all can be realized the axial location to axle 18, guarantee the lean and correct assembly of axle and fixed disk, and axial endplay and circular runout are less, guarantee the steadily reliable of shaft coupling running.And these three kinds of fit structure/fit systems are separate, that is to say, can adopt one or more in three kinds of structures to realize the location of rotary body.In addition, bearing 17 and axle 18 interference fit, also can be to axle 18 location.Similarly principle and the structure of coordinating also of axle 1 or sleeve 2 and upper fixed disk 6.
As described in the background section, mixer can be stirred rapidly in order to make to stir thing, and the rotating speed conventionally stirring is all very high, generally all per minutely wants up to ten thousand turning, in order to guarantee that personnel's security needs mixer stopped in the very short time.Therefore,, according to embodiments of the invention, be provided with brake assemblies.
As shown in Figure 2, brake assemblies mainly comprises: friction plate 3, brake fixture 4 and brake magnet steel 5.Particularly, friction plate 3 is by being fixed on brake fixture 4 such as epoxy glue bonding; Brake fixture 4 is provided with hole or the groove that holds the magnet steel 5 that brakes, and hole or groove that brake magnet steel 5 is put into brake fixture 4 pass through such as epoxy glue hydropexis.Upper fixed disk 6 is provided with the hole that holds spring 12; Upper fixed disk 6 is also provided with pilot hole or the gathering sill of brake assemblies, and brake assemblies can move in upper fixed disk 6 pilot holes or gathering sill.Circlip 11 is stuck in the described pilot hole or gathering sill of fixed disk, can limit the displacement of brake assemblies.
Fig. 6 and Fig. 7 are also according to the profile of the mixer of the embodiment of the present invention, compare with Fig. 2 with Fig. 1, and the profile position of Fig. 6 is different, and Fig. 7 has shown different states from Fig. 6.Fig. 6 and Fig. 7 for application schematically braking (brake) principle of mixer of permanent magnet clutch.
While approaching certain distance above shaft coupling top assembly is placed on shaft coupling lower component, due to the magnet steel principle that there is a natural attraction between the sexes, the brake magnet steel 5 of brake assemblies is attracted by the magnet ring back iron of shaft coupling lower component (magnet ring 20 and back iron 19), the pressure that now brake assemblies can overcome spring 12 moves down, the friction plate 3 of brake assemblies and the bottom surface of stirred vessel 23 keep certain spacing, as shown in Figure 6.Simultaneously, as previously mentioned, magnet steel 13 and the corresponding setting of back iron 14 of the magnet steel 9 by shaft coupling top assembly and back iron 10 and shaft coupling lower component, the principle of utilizing the magnet steel NS utmost point to inhale mutually, shaft coupling lower component can drive the assembly rotation of shaft coupling top in non-contacting mode, thereby stir cutter 22, can freely rotate in stirred vessel 23 the insides.
When operating personnel pick up stirred vessel 23, shaft coupling top assembly can depart from the attraction of shaft coupling lower component, now the brake magnet steel 5 of brake assemblies is no longer subject to the attraction of the magnet ring back iron of shaft coupling lower component, and be only subject to the elastic force of spring 12, now friction plate 3, by the spring force bottom surface that withstands on stirred vessel 23 tightly, is illustrated in fig. 7 shown below; Because stirred vessel 23 does not rotate, now shaft coupling top assembly and stirring cutter 22 can stop from High Rotation Speed state at once, have guaranteed operating personnel's safety.
According to the permanent magnet clutch of the embodiment of the present invention and applied the mixer of this permanent magnet clutch, by adopting upper and lower two-part permanent magnet clutch, the principle of utilizing magnetic to transmit, realizes contactless steady transmission, reduces vibrations and noise; Can also shaft coupling top assembly can be located extremely automatically with shaft coupling lower component by N, S by the magnetic pole of magnet steel is set, improve stability; Further can for the assembly structure of fixed disk and/or assembly technology, improve the perpendicularity of axle and place, back iron surface plane by back iron is set, thus vibrations and noise while reducing rotation.
In addition, according to the permanent magnet clutch of the embodiment of the present invention, can also comprise safety automation braking mechanism simple in structure.When operating personnel pick up stirred vessel, mixer brakes immediately, stirs cutter and stops the rotation at once, can guarantee personal security.
The above is only exemplary embodiment of the present invention, but not for limiting the scope of the invention, protection scope of the present invention is determined by appended claim.
Claims (14)
1. the permanent magnet clutch for pony mixer, it is characterized in that, comprise: shaft coupling top assembly (I) and shaft coupling lower component (II), at described shaft coupling top assembly (I) and described shaft coupling lower component (II) correspondence, be provided with magnet steel (9,13), back iron (10,14) and fixed disk (6,16), wherein, in described shaft coupling top assembly (I) or described shaft coupling lower component (II)
Described back iron (10,14) combines with the die casting of described fixed disk inserts;
Described magnet steel (9,13) is fixed on described back iron (10,14).
2. permanent magnet clutch according to claim 1, it is characterized in that, described shaft coupling top assembly (I) or described shaft coupling lower component (II) also comprise pressing plate (8,20), the inclined-plane of described pressing plate (8,20) is pressed in described magnet steel (9,13) inclined-plane, described pressing plate (8,20) is fixed in described fixed disk (6,16).
3. permanent magnet clutch according to claim 1, it is characterized in that, described shaft coupling top assembly (I) and described shaft coupling lower component (II) also comprise axle (1,18) or axle (1,18) and the combination of sleeve (2), described axle (1,18) or described sleeve (2) and described back iron (10,14) and described fixed disk (6,16) inserts die casting together, wherein, described fixed disk (6 is fixed in described axle (1,18) or described sleeve (2) die casting, 16) centre, the card of described fixed disk (6,16) is fixed in described back iron (10,14) die casting.
4. permanent magnet clutch according to claim 1, is characterized in that, described fixed disk (6,16), one or more in described back iron (10,14) and described pressing plate (8,20) have axially symmetric structure, and described magnet steel (9,13) axial symmetry setting.
5. permanent magnet clutch according to claim 1, it is characterized in that magnet steel (13) and the corresponding setting of back iron (14) of the magnet steel (9) of described shaft coupling top assembly (I) and back iron (10) and described shaft coupling lower component (II).
6. permanent magnet clutch according to claim 1, it is characterized in that, described shaft coupling top assembly (I) and described shaft coupling lower component (II) also comprise axle (1,18) or the combination of axle (1,18) and sleeve (2), wherein, described axle (1,18) or described sleeve (2) there is the structure matching with described fixed disk (6,16), this cooperation can be that interference fit, step coordinate and one or more in coordinating of flat filament.
7. permanent magnet clutch according to claim 1, it is characterized in that, described shaft coupling top assembly (I) and described shaft coupling lower component (II) also comprise axle (1,18) and support this axle (1,18) bearing (24,17), this bearing (24,17) with described axle (1,18) interference fit.
8. permanent magnet clutch according to claim 1, is characterized in that, described shaft coupling top assembly (I) also comprises: friction plate (3), brake fixture (4), brake magnet steel (5) and spring (12), wherein,
Described friction plate (3) bonding is fixed on described brake fixture (4);
Described brake fixture (4) is provided with hole or the groove that holds described brake magnet steel (5);
Described brake magnet steel (5) is put into hole or the groove fixing of described brake fixture (4);
Described spring (12) is contained in the fixed disk (6) of described shaft coupling top assembly (I);
Described brake magnet steel (5) be subject to described spring (12) and/or be arranged at described shaft coupling lower component (II) magnet ring (20) effect and move, thereby described brake fixture (4) is moved in being arranged at the pilot hole of fixed disk (6) of described shaft coupling top assembly (I) or gathering sill.
9. permanent magnet clutch according to claim 8, it is characterized in that, described shaft coupling top assembly (I) also comprises circlip (11), this circlip (11) is connected in the described pilot hole or gathering sill of described fixed disk, limits the movement of described brake fixture (4).
10. a pony mixer, is characterized in that, comprises according to the permanent magnet clutch described in any one in claim 1-9.
11. 1 kinds of manufacture methods for the permanent magnet clutch of pony mixer, is characterized in that, comprising:
Back iron and the die casting of fixed disk inserts are combined;
With epoxy glue, magnet steel is fixed on described back iron;
The inclined-plane of pressing plate is pressed on the inclined-plane of described magnet steel;
With screw, described pressing plate is fixed on to described fixed disk.
12. permanent magnet clutch manufacture methods according to claim 11, it is characterized in that, before described magnet steel is fixed on to described back iron, axle or sleeve and described fixed disk are installed together, the axis of described axle or sleeve of take is again clamping center, the cylindrical of fixed disk described in car, the cylindrical of described fixed disk of then take is clamping center, processes the surface of described magnet steel.
13. permanent magnet clutch manufacture methods according to claim 11, is characterized in that, axle or sleeve with described back iron together with the die casting of described fixed disk inserts, wherein,
Described in die casting during fixed disk, described axle or sleeve die casting are fixed on to the centre of described fixed disk;
Described back iron die casting is fixed on to the card of described fixed disk;
The cylindrical of fixed disk described in car centered by the axis of described axle or sleeve;
Centered by the cylindrical of described fixed disk, described in car, the surface of back iron makes this back iron surfacing, then pastes described magnet steel in described back iron surface with epoxy glue.
14. 1 kinds of permanent magnet clutchs, is characterized in that, are according to manufacturing according to the method described in any one in claim 11-13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410253922.3A CN104022618B (en) | 2014-06-09 | 2014-06-09 | Permanent magnet clutch, using its pony mixer and its manufacture method |
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| CN201410253922.3A CN104022618B (en) | 2014-06-09 | 2014-06-09 | Permanent magnet clutch, using its pony mixer and its manufacture method |
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| CN104022618A true CN104022618A (en) | 2014-09-03 |
| CN104022618B CN104022618B (en) | 2017-04-05 |
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| CN201410253922.3A Active CN104022618B (en) | 2014-06-09 | 2014-06-09 | Permanent magnet clutch, using its pony mixer and its manufacture method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105327639A (en) * | 2015-05-20 | 2016-02-17 | 江苏雷利电机股份有限公司 | Stirrer adopting split direct drive motor |
| CN110492627A (en) * | 2019-07-18 | 2019-11-22 | 杭州电子科技大学 | Split type motor |
| CN110601498A (en) * | 2019-09-20 | 2019-12-20 | 杭州电子科技大学 | Split type rotating electrical machine |
| CN111562357A (en) * | 2020-04-08 | 2020-08-21 | 大连北方分析仪器有限公司 | Automatic corrosion testing machine |
| CN111569694A (en) * | 2020-04-08 | 2020-08-25 | 大连北方分析仪器有限公司 | Stirring device based on magnetic type stirring rod |
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| CN2757421Y (en) * | 2004-07-16 | 2006-02-08 | 沙永康 | Magnetic force driver |
| CN102916559A (en) * | 2012-11-27 | 2013-02-06 | 镇江市江南矿山机电设备有限公司 | Inter-shaft permanent magnet coupling mechanism |
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| US5611368A (en) * | 1994-05-02 | 1997-03-18 | Korea Atomic Energy Research Institute | Valve having magnetic force transmission apparatus |
| CN2757421Y (en) * | 2004-07-16 | 2006-02-08 | 沙永康 | Magnetic force driver |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327639A (en) * | 2015-05-20 | 2016-02-17 | 江苏雷利电机股份有限公司 | Stirrer adopting split direct drive motor |
| CN105327639B (en) * | 2015-05-20 | 2018-01-30 | 江苏雷利电机股份有限公司 | Using the mixer of split type direct driving motor |
| CN110492627A (en) * | 2019-07-18 | 2019-11-22 | 杭州电子科技大学 | Split type motor |
| CN110601498A (en) * | 2019-09-20 | 2019-12-20 | 杭州电子科技大学 | Split type rotating electrical machine |
| CN110601498B (en) * | 2019-09-20 | 2021-02-02 | 杭州电子科技大学 | Split type rotating electrical machine |
| CN111562357A (en) * | 2020-04-08 | 2020-08-21 | 大连北方分析仪器有限公司 | Automatic corrosion testing machine |
| CN111569694A (en) * | 2020-04-08 | 2020-08-25 | 大连北方分析仪器有限公司 | Stirring device based on magnetic type stirring rod |
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