CN206517272U - A kind of permasyn morot magnetic steel embedded rotor - Google Patents

Abstract

The utility model discloses a kind of permasyn morot magnetic steel embedded rotor, rotor includes main shaft, rotor core and the magnet steel being embedded in rotor core, rotor core includes the multistage unit core set in the axial direction, multiple straight troughs with the number of poles of permasyn morot into integral multiple are equipped with iron core per segment unit, the circumferentially spaced distribution of multiple straight troughs, straight trough extends through the both ends of the surface on every segment unit axis direction unshakable in one's determination, straight trough quantity per segment unit on iron core is equal, along the axis bearing of trend of rotor core, straight trough on adjacent two segment units iron core, which is corresponded, to be set, and the straight trough of adjacent two segment unit corresponding position unshakable in one's determination staggers an angle or distance to same direction, magnet steel is embedded in straight trough.The rotor is so set and forms skewed-rotor, and the purpose of rotor chute is reached with oblique pole, can so reduce permanent magnet motor torque fluctuation and higher hamonic wave, reduces stray loss, improves the efficiency of permanent magnet motor.

Description

A kind of permasyn morot magnetic steel embedded rotor

Technical field

The utility model is related to permasyn morot technical field, and in particular in a kind of permasyn morot magnet steel Embedded rotor.

Background technology

Calculate according to statistics, about 1,700,000,000 kilowatts of China's motor recoverable amount, the kilowatt hour of total power consumption about 3,000,000,000,000 accounts for the whole society total The motor total electricity consumption of the 64% of power consumption, wherein industrial circle is 2.6 trillion kilowatt hours, accounts for the 75% of commercial power, country In propulsion energy-saving emission reduction, organizing and implementing " ten big energy conservation projects ", energy-saving of motor system engineering is included in wherein, it is first in implementation Standard platform construction is first promoted, makes the energy efficiency market and efficiency grade of China's small and middle induction motors to international electromechanics trade Standards system is drawn close, in GB18613-2012 standards, and 2 grades of efficiency is confirmed to be high efficiency motor, equivalent to IEC60034-30 marks IE3 grades in standard, 1 grade than GB18613-2006 standard upgrading.

State Administration for Quality Supervision and Inspection and Quarantine, Standardization Administration of China were on June 29th, 2012 immediately Issue, on November 1st, 2012 implement GB/T28575-2012《YE3 series（1P55）Ultra-High Efficiency threephase asynchronous technology Condition（Seat No. 80-355）》, efficiency value specified in this document is identical with 2 grades of energy efficiency markets in GB18613-2012.

So, newly-designed motor will reach 2 grades of efficiencies of GB18613-2012 standards and GB/T28575-2012 standards Specified in energy efficiency market just have certain difficulty, therefore, design YE3 it is serial when, designing technique, manufacturing process and material It is greatly improved in terms of material cost, in addition it is also necessary to by adjusting unshakable in one's determination and flute profile size, winding data come balancing motor Items loss reaches efficient 2 grades with performance, even if so, entire series to reach that 1 grade of efficiency is hardly possible.

And the energy valid value of permanent magnet motor, it can generally reach 1 grade, even above 1 grade, therefore, the small machine row in China The target tilt of product development is classified as what small machine in China's 21st century was researched and developed by industry to magneto, and magneto Bellwether.

The vast motor user of China national policy lead with civilian-oriented project excitement under, using the product of high efficiency motor Polarity is increasingly improved, and the market of magneto is increasingly expanded, and the type and kind of the magneto that user needs are also increasingly Increase.

From design of electrical motor angle, for optimization air-gap field waveform, weaken cogging torque most efficient method generally using oblique The way of groove.Stator uses straight trough in such as Y and Y2 series three-phase asynchronous motors, and the damper rod of rotor damping cage is just using oblique Groove.Due to condition limitation, when permanent magnet motor is designed, under certain conditions, do not allow the stator armature using routine oblique Groove, this necessarily forces rotor to use skewed slot, once but rotor uses skewed slot, and magnet steel groove and magnet steel are necessarily S-shaped, as shown in Figure 1.

Utility model content

The purpose of this utility model is that there is provided a kind of permasyn morot magnet steel is embedded in view of the shortcomings of the prior art There is rotor, the rotor magnet steel embedded in oblique pole structure and rotor can normally lay.

To reach above-mentioned purpose, the technical solution adopted in the utility model is：

A kind of permasyn morot magnetic steel embedded rotor, including main shaft, the rotor core that is set on the main shaft With the magnet steel being embedded in the rotor core, the rotor core is included along many of its axis bearing of trend successively order setting Segment unit is unshakable in one's determination, is in close contact between the adjacent face of adjacent two sections of unit cores, is all provided with every section of unit core There is the number of poles with permasyn morot into the straight trough of multiple placements magnet steel of integral multiple, multiple straight troughs are along described turn Sub unshakable in one's determination is multiple circumferentially spaced, and the straight trough extends through the two ends on the axis direction of every section of unit core Face, the length bearing of trend of the straight trough is parallel with the axis bearing of trend of the rotor core, every section of unit core On the straight trough quantity it is equal, along the axis bearing of trend of the rotor core, the institute in adjacent two sections of unit cores State straight trough and correspond setting, and the straight trough of adjacent two sections of unit core corresponding positions staggers one to same direction Angle or distance, the magnet steel are embedded in the straight trough.

Preferably, the straight trough of the adjacent two sections unit core corresponding positions staggers angle or apart from identical.

Further, the angle that the straight trough of the adjacent two sections unit core corresponding positions staggers is：（360/ turn Pilot trench number）/（The quantity -1 of unit core）.

Further, the distance that the straight trough of the adjacent two sections unit core corresponding positions staggers is：（（Rotor Slot number × rotor slot-pitch）/（Rotor slot number+motor number of pole-pairs））/（The quantity -1 of unit core）.

Preferably, every section of unit core is identical, when the unit core is in released state, adjacent two sections of lists The opposite polarity of the intracardiac magnet steel being embedded of rod iron, when unit core is sleeved on the main shaft described in multistage, adjacent two The polarity for the magnet steel being embedded in Duan Suoshu unit cores is identical.

Preferably, the rotor also includes being used to carry out the rotor core circumferentially positioned keeper, the main shaft Including the multistage axis body being engaged respectively with unit core described in multistage, the keeper is separately positioned on every section of unit iron Between the heart and every section of axis body, every section of unit core is provided with the first locating slot being engaged with the keeper, often Duan Suoshu axis bodies are provided with the second locating slot being engaged with the keeper.

Further, along the axis bearing of trend of the main shaft, between the center line of two neighboring second locating slot Stagger a distance, the direction staggered between the center line of two second locating slots and distance and the adjacent two sections unit iron Direction that the straight trough of heart corresponding position staggers and apart from identical.

Further, the first mounting hole and second for installing the first fastener is equipped with every section of unit core Mounting hole, circumferencial direction along the unit core of first mounting hole and second mounting hole is arranged at intervals, and described the One locating slot has two, and circumferencial direction of two first locating slots along the unit core is arranged at intervals, two described the The angle being spaced between the angle being spaced between one locating slot and first mounting hole and second mounting hole is corresponding.

Preferably, the rotor also includes being used for carrying out the rotor core the first magnetic isolation plate of axially position, second Magnetic isolation plate and jump ring, first magnetic isolation plate and second magnetic isolation plate are separately positioned on the axis direction of the rotor core Two ends, the jump ring is clamped between second magnetic isolation plate and the main shaft.

Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：This practicality is new The permasyn morot magnetic steel embedded rotor of type by rotor core by being separated into the multistage that order is set in the axial direction Unit core, and set on each segment unit iron core magnet steel is embedded after straight trough, the straight trough of each segment unit corresponding position unshakable in one's determination Stagger certain distance or angle assembling after form oblique pole, the purpose of rotor chute is realized by skewed-rotor, so, is reduced forever Magnet motor torque fluctuation and higher hamonic wave, reduce stray loss, so as to improve the efficiency of permanent magnet motor.

Brief description of the drawings

Accompanying drawing 1 is the structural representation after permanent-magnet motor rotor skewed slot in the prior art；

Accompanying drawing 2 is the structural representation of permasyn morot magnetic steel embedded rotor of the present utility model；

Accompanying drawing 3 is the structural representation of rotor core of the present utility model；

Accompanying drawing 4 is the structural representation of main shaft of the present utility model；

Accompanying drawing 5 is that rotor core of the present utility model embeds one of structural representation after magnet steel；

Accompanying drawing 6 is that rotor core of the present utility model embeds two of the structural representation after magnet steel；

Accompanying drawing 7 is the structural representation of rotor-core lamination of the present utility model；

Accompanying drawing 8 for it is of the present utility model press-fit each segment unit it is unshakable in one's determination when press mounting tool structural representation.

Wherein：1st, main shaft；11st, axis body；111st, the second locating slot；12nd, first shaft shoulder；13rd, second shaft shoulder；2nd, rotor iron The heart；21st, unit core；21a, rotor-core lamination；211st, straight trough；212nd, the first locating slot；213a, the first mounting hole；213b、 Second mounting hole；3rd, magnet steel；4th, the first magnetic isolation plate；5th, the second magnetic isolation plate；6th, jump ring；

100th, lower platen；200th, top board；300th, mandrel；400th, upper holder block；500th, the second fastener.

Embodiment

The technical solution of the utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings.

As shown in Fig. 2 permasyn morot magnetic steel embedded rotor of the present utility model includes main shaft 1, is set in master Rotor core 2 and the magnet steel 3 being embedded in rotor core 2 on axle 1.

As shown in figure 3, rotor core 2 is included along its axis bearing of trend multistage unit core 21 that order is set successively, It is in close contact, is equipped with and synchronous permanent-magnet motor on every segment unit iron core 21 between the adjacent face of adjacent two segment units iron core 21 The number of poles of machine is into multiple straight troughs 211 of integral multiple, multiple circumferentially spaced, Mei Gezhi of multiple straight troughs 211 along rotor core 2 Both ends of the surface of the groove 211 on the axis direction of rotor core 2, the bearing of trend and the axis of rotor core 2 of straight trough 211 prolong Stretch that direction is parallel, per the quantity all same of the straight trough 211 on segment unit iron core 21, and along the axis extension side of rotor core 2 To the straight trough 211 on adjacent two segment units iron core 21, which is corresponded, to be set, along the axis bearing of trend of rotor core 2, adjacent two Segment unit iron core 21 corresponding positions straight trough 211 somewhat stagger to same direction on the circumferencial direction of rotor core 2 one away from From or angle, the straight trough 211 be used for embed magnet steel 3, material is thus formed the rotor core 2 of oblique pole formula structure, it is achieved thereby that Make the structure of whole rotor chute so that can normally embed magnet steel 3, solve after rotor chute, rotor magnetic steel groove is in S Shape so that magnet steel 3 is also necessary for S shapes, prevents magnet steel 3 from embedding this technical problem.

Preferably, along the axis bearing of trend of rotor core 2, the straight trough of adjacent two segment unit 21 corresponding positions unshakable in one's determination The numerical value of 211 distances staggered on the circumferencial direction of rotor core 2 or angle is all identical.

In the present embodiment, by taking 15kw-4 magnetoes as an example, rotor core 2 includes 6 segment unit iron cores 21, turn of the motor Son is 28 grooves, the distance of whole rotor chuteIt is expressed as with angle：

,

The distance of the rotor chute is assigned on 6 segment unit iron cores 21, adjacent two segment unit 21 corresponding positions unshakable in one's determination The angle that staggers of straight trough 211 be：

；

Whole rotor chute is expressed as apart from tsk with distance：

,

Wherein：

It is 28 for rotor slot number；

It is 2 for motor number of pole-pairs；

For rotor slot-pitch,, hereinIt is 167.6mm for rotor diameter, calculates, So

,

The distance of the rotor chute is assigned on 6 segment unit iron cores 21, adjacent two segment unit 21 corresponding positions unshakable in one's determination The distance that staggers of straight trough 211 be：

。

Carried out between each segment unit iron core 21 and main shaft 1 by keeper circumferentially positioned.Specifically, each segment unit iron The first locating slot 212 being engaged with keeper is equipped with the heart 21, main shaft 1 includes being engaged respectively with each segment unit iron core 21 Multistage axis body 11, the second locating slot 111 for placement positioning part, each second locating slot are also equipped with every section of axis body 11 111 extend along the axis direction of main shaft 1.In the present embodiment, keeper uses key, as shown in Figure 4.

Along the axis bearing of trend of main shaft 1, deviate certain distance between the center line of two neighboring second locating slot 111, The numerical value of the distance is identical with the numerical value for the distance that the straight trough 211 of adjacent two segment unit 21 corresponding positions unshakable in one's determination staggers, and to Same direction deviates, so, can also be realized to this turn by the keeper being connected between each segment unit iron core 21 and main shaft 1 Sub tiltedly pole is accurately positioned.

The second locating slot 111 on main shaft 1 is by being milled into, in process, in milling and upper one the During adjacent next second locating slot 111 of two locating slots 111, main shaft 1 is set to turn an angle, the angular values are main shaft The distance deviateed between the center line of two neighboring second locating slot 111 on 1.In the present embodiment, with 15kw-4 magnetoes Exemplified by, when milling is with upper adjacent next second locating slot 111 of second locating slot 111, main shaft 1 is rotated 2.57 °, That is, making the offset distance between the center line of adjacent two second locating slot 111 be 3.51mm.

As shown in Fig. 5 ~ Fig. 7, the first locating slot 212 on each segment unit iron core 21 is equipped with two, and each segment unit is unshakable in one's determination Be additionally provided with 21 for install the first fastener the first mounting hole 213a and the second mounting hole 213b, the first mounting hole 213a and Circumferencial direction certain angular intervals of the second mounting hole 213b along unit core 21 is set, in the present embodiment, the first mounting hole 213a and the second mounting hole 213b are circular hole, and the second mounting hole 213b diameter is more than the first mounting hole 213a diameter. Two locating slots 212 are also set along the circumferencial direction certain angular interval of unit core 21, and are spaced between two locating slots 212 Angle it is identical with the interval angles between the first mounting hole 213a and the second mounting hole 213b, in the present embodiment, first install It is spaced between hole 213a and the second mounting hole 213b between 90 degree, two locating slots 212 and is also spaced 90 degree.

The rotor also includes being used for the first magnetic isolation plate 4, the second magnetic isolation plate 5 and card that axially position is carried out to rotor core 2 Spring 6, the first magnetic isolation plate 4 and the second magnetic isolation plate 5 are respectively sleeved on main shaft 1, and respectively with the axis direction of rotor core 2 Both ends of the surface offset, the first magnetic isolation plate 4 simultaneously to being located on first shaft shoulder 12 of main shaft 1, jump ring 6 be clamped on the second magnetic isolation plate 5 with Between second shaft shoulder 13 of main shaft 1.

Magnet steel 3 is embedded will consider magnet steel when in each segment unit iron core 21 according to the installation site of each segment unit iron core 21 In 3 polarity, the present embodiment, when each segment unit iron core 21 is in released state, embedded in adjacent two segment units iron core 21 The opposite polarity of magnet steel 3, as shown in Figure 5 and Figure 6, can so ensure after each segment unit iron core 21 is sleeved on main shaft 1, The polarity for the magnet steel 3 being embedded in adjacent two segment units iron core 21 is identical, i.e. along the same oblique pole bearing of trend of rotor 2, each magnetic The polarity all same of steel 3, as shown in Figure 3.

The manufacturing process of the rotor is as follows：

1. manufacture each segment unit iron core 21：

（1）Per the structure of segment unit iron core 21

Overlap together and be made by multiple rotor-core laminations 21a per segment unit iron core 21, rotor-core lamination 21a knots Structure is as shown in Figure 7.Rotor-core lamination 21a is formed using low-loss punching silicon-steel, in the present embodiment, rotor-core lamination 21a uses low-loss silicon steel sheet 50W350；

（2）The press mounting tool for press-fiting every segment unit iron core 21 is manufactured, as shown in figure 8, press mounting tool includes lower platen 100th, top board 200, mandrel 300 and upper holder block 400.Rotor-core lamination 21a is set in the middle part of mandrel 300, mandrel 300 Both ends are connected with top board 200 and lower platen 100 respectively, to reduce mandrel 300 after compaction from the axis hole of unit core 21 Frictional force is bigger than normal during middle extraction, and mandrel 300 is designed into three-stage：In the middle part of mandrel and both ends, the diameter at its both ends is less than The diameter at middle part；

（3）Per press-fiting for segment unit iron core 21：

A. the one end of mandrel 300 is fixedly connected on lower platen 100 first, will constituted per many of segment unit iron core 21 Open rotor-core lamination 21a and be inserted in mandrel 300 successively；

B. after the completion of nest plate, it can be passed through using groove lining bar detection straight trough 211, can not such as passed through, conditioning rotor core punching Piece 21a position enables groove lining bar to pass through；

C. top board 200 is enclosed on mandrel 300, and be pressed on multiple rotor-core laminations 21a overlapped together, Upper holder block 400 is installed on top board 200；

D. apply pressure on upper holder block 400, under pressure by the second fastener 500 make top board 200, multiple Rotor-core lamination 21a, lower platen 100 and mandrel 300 are fixed together, and the shape tightened then is in the second fastener 500 Multiple rotor-core laminations 21a is fixedly connected by the first fastener through the first mounting hole 213a in unit core 21 under state Together；

E. the second fastener 500 is unclamped, removes and upper holder block 400 and top board 200 is removed after pressure, takes out what is overlapped together The unit core 21 of shaping；

F. the straight trough 211 of the unit core 21 of shaping is detected using magnet steel groove drift；

G. press-fit process according to above-mentioned by each segment unit iron core 21 and press-fit completion.

2. the processing of main shaft 1：

After the main body of main shaft 1 is machined, the second locating slot 111 on milling spindle 1 is determined in milling with upper one second During adjacent next second locating slot 111 of groove 111 of position, main shaft 1 is set to turn an angle, the angular values are on main shaft 1 The distance deviateed between the center line of two neighboring second locating slot 111.

3. the assembling of rotor：

A. by the vertical fixation upwards of the axle stretch end of main shaft 1；

B. the first magnetic isolation plate 4 is inserted in main shaft 1 and determined by first shaft shoulder, 12 pair of first magnetic isolation plate 4 on main shaft 1 Position；

C. magnet steel 3 is embedded in the straight trough of each segment unit iron core 21, during placement, is pacified according to the first mounting hole 213a and second Dress hole 213b position notes the polarity of magnet steel 3 in each segment unit iron core 21, so that each segment unit iron core 21 is installed in main shaft 1 After upper, polarity of the rotor along each magnet steel 3 in same oblique extreme direction is identical, in the present embodiment, and each segment unit iron core 21, which is in, to be divided During from state, in adjacent two segment units iron core 21 in the opposite polarity of magnet steel 3, such as first paragraph unit core 21 magnet steel 3 polarity When setting as shown in Figure 5, the polarity of magnet steel 3 just setting as shown in Figure 6 in second segment unit core 21, the rest may be inferred.

D. key is placed in the second locating slot 111 on the first paragraph axis body 11 for placing first paragraph unit core 21；

E. using the key in step D to be oriented to, first paragraph unit core 21 is pressed into by main shaft 1 using the technique of cold extrusion, directly End face to first paragraph unit core 21 abuts the first magnetic isolation plate 4；

F. key is placed in the second locating slot 111 on the second segment axis body 11 for placing second segment unit core 21；

G. using the key in step F as the technique press-in main shaft 1 being oriented to by second segment unit core 21 using cold extrusion, until The end face of second segment unit core 21 abuts the other end of first paragraph unit core 21, is pressed by second segment unit core 21 When entering main shaft 1, in order that the end face adjacent with second segment unit core 21 of first paragraph unit core 21 is in close contact, now the One end that the first fastener on one segment unit iron core 21 exposes first paragraph unit core 21 is stretched into second segment unit core 21 The second mounting hole 213b in, i.e., install second segment unit core 21 when, B hole sites in Fig. 6 is directed at A hole sites in Fig. 5, After the now installation of second segment unit core 21, first paragraph unit core 21 and the corresponding position of second segment unit core 21 The polarity of magnet steel 3 is identical；

H. key is placed in the second locating slot 111 on the 3rd section of axis body 11 for placing the 3rd segment unit iron core 21；

I. using the key in step H as the technique press-in main shaft 1 being oriented to by the 3rd segment unit iron core 21 using cold extrusion, until The end face of 3rd segment unit iron core 21 abuts the other end of second segment unit core 21, is pressed by the 3rd segment unit iron core 21 When entering main shaft 1, in order that the adjacent end face of the segment unit of second segment unit core 21 and the 3rd iron core 21 is in close contact, now the One end that the first fastener on two segment unit iron cores 21 exposes second segment unit core 21 is stretched on the 3rd segment unit iron core 21 The second mounting hole 213b in, i.e., install the 3rd segment unit iron core 21 when, A hole sites in Fig. 5 is directed at B hole sites in Fig. 6 After now the 3rd segment unit 21 installations unshakable in one's determination, 21 corresponding positions of the segment unit of second segment unit core 21 and the 3rd iron core The polarity of magnet steel 3 is identical；

J. remaining unit core 21 is all pressed into main shaft 1 using the technique of cold extrusion successively according to above-mentioned steps；

K. the second magnetic isolation plate 5 is inserted in main shaft 1 and it is pressed in final stage unit core 21, then second every magnetic Apply on plate 5 after pressure, jump ring 6 is loaded in the space between the second magnetic isolation plate 5 and second shaft shoulder 13 of main shaft 1, removal is applied The pressure on the second magnetic isolation plate 5 is added in, jump ring 6 is just clamped between the second magnetic isolation plate 5 and second shaft shoulder 13 of main shaft 1, from And rotor core 2 is fixed together with main shaft 1.

This completes the manufacture of rotor, the rotor structure so designed can reduce permanent magnet motor torque fluctuation and height Subharmonic, reduces stray loss, improves the efficiency of permanent magnet motor.

Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this. All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it It is interior.

Claims (9)

1. a kind of permasyn morot magnetic steel embedded rotor, rotor includes main shaft, the rotor iron being set on the main shaft The heart and the magnet steel being embedded in the rotor core, it is characterised in that：The rotor core include along its axis bearing of trend according to It is in close contact between the multistage unit core that secondary order is set, the adjacent face of adjacent two sections of unit cores, described in every section It is equipped with unit core with the number of poles of permasyn morot into the straight trough of multiple placements magnet steel of integral multiple, Duo Gesuo Straight trough is stated along the multiple circumferentially spaced of the rotor core, the straight trough extends through the axis of every section of unit core Both ends of the surface on direction, the length bearing of trend of the straight trough is parallel with the axis bearing of trend of the rotor core, every section The straight trough quantity in the unit core is equal, along the axis bearing of trend of the rotor core, adjacent two sections of lists The rod iron straight trough in the heart, which is corresponded, to be set, and adjacent two sections of unit core corresponding positions the straight trough to same One direction is staggered an angle or distance, and the magnet steel is embedded in the straight trough.

2. permasyn morot magnetic steel embedded rotor according to claim 1, it is characterised in that：Described in adjacent two sections Angle that the straight trough of unit core corresponding position staggers or apart from identical.

3. permasyn morot magnetic steel embedded rotor according to claim 2, it is characterised in that：Described in adjacent two sections The angle that the straight trough of unit core corresponding position staggers is：（360/ rotor slot number）/（The quantity -1 of unit core）.

4. permasyn morot magnetic steel embedded rotor according to claim 2, it is characterised in that：Described in adjacent two sections The distance that the straight trough of unit core corresponding position staggers is：（（Rotor slot number × rotor slot-pitch）/（Rotor slot number+motor Number of pole-pairs））/（The quantity -1 of unit core）.

5. permasyn morot magnetic steel embedded rotor according to claim 1, it is characterised in that：Every section of unit It is unshakable in one's determination identical, when the unit core is in released state, the pole for the magnet steel being embedded in adjacent two sections of unit cores Property is on the contrary, when unit core described in multistage is sleeved on the main shaft, what is be embedded in adjacent two sections of unit cores is described The polarity of magnet steel is identical.

6. permasyn morot magnetic steel embedded rotor according to claim 1, it is characterised in that：The rotor is also wrapped Include for carrying out circumferentially positioned keeper to the rotor core, the main shaft include respectively with unit core phase described in multistage The multistage axis body of cooperation, the keeper is separately positioned between every section of unit core and every section of axis body, every section of institute State unit core and be provided with the first locating slot being engaged with the keeper, every section of axis body is provided with and the keeper The second locating slot being engaged.

7. permasyn morot magnetic steel embedded rotor according to claim 6, it is characterised in that：Along the main shaft Stagger a distance, two second locating slots between axis bearing of trend, the center line of two neighboring second locating slot Center line between the straight troughs of the direction staggered and distance and the adjacent two sections unit core corresponding positions stagger Direction and apart from identical.

8. permasyn morot magnetic steel embedded rotor according to claim 6, it is characterised in that：Every section of unit The first mounting hole and the second mounting hole for installing the first fastener, first mounting hole and described the are equipped with iron core Circumferencial direction of two mounting holes along the unit core is arranged at intervals, and first locating slot has two, and two described first are determined Circumferencial direction of the position groove along the unit core is arranged at intervals, the angle being spaced between two first locating slots and described the The angle being spaced between one mounting hole and second mounting hole is corresponding.

9. permasyn morot magnetic steel embedded rotor according to claim 1, it is characterised in that：The rotor is also wrapped Include the first magnetic isolation plate, the second magnetic isolation plate and the jump ring for carrying out axially position to the rotor core, first magnetic isolation plate The two ends on the axis direction of the rotor core are separately positioned on second magnetic isolation plate, the jump ring is clamped on described Between two magnetic isolation plates and the main shaft.