CN207896753U - A kind of permanent-magnetic synchronous motor rotor component - Google Patents

A kind of permanent-magnetic synchronous motor rotor component Download PDF

Info

Publication number
CN207896753U
CN207896753U CN201721847017.6U CN201721847017U CN207896753U CN 207896753 U CN207896753 U CN 207896753U CN 201721847017 U CN201721847017 U CN 201721847017U CN 207896753 U CN207896753 U CN 207896753U
Authority
CN
China
Prior art keywords
shaft
rotor
cylindrical bore
balance ring
permanent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201721847017.6U
Other languages
Chinese (zh)
Inventor
徐杰
安高峰
侯跃岭
徐世超
竺湘灵
董毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Feishi Sports Control Technology Co Ltd
Original Assignee
Ningbo Feishi Sports Control Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Feishi Sports Control Technology Co Ltd filed Critical Ningbo Feishi Sports Control Technology Co Ltd
Priority to CN201721847017.6U priority Critical patent/CN207896753U/en
Application granted granted Critical
Publication of CN207896753U publication Critical patent/CN207896753U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Manufacture Of Motors, Generators (AREA)

Abstract

The utility model discloses a kind of permanent-magnetic synchronous motor rotor components, including shaft, balance ring, magnet steel, carbon fiber casing, rotor core and flat key, the periphery of the shaft is equipped with the first U-type groove, the flat key is arranged in the first U-type groove, the rotor core is set in the outer surface of shaft and rotor core is connect with the shaft interference, the balance ring is set in the end of the shaft and the balance ring is connect with shaft and rotor core interference respectively, the magnet steel is pasted onto the outer surface of rotor core, the carbon fiber casing is set in the outer surface of the magnet steel and balance ring, the shaft is internally provided with interconnected the first cylindrical bore and the second cylindrical bore, first cylindrical bore is more than the second cylindrical bore;The utility model is simple in structure, and installing and dismounting is easy to maintain, non-breakable, and qualification rate is high, and small, consumptive material is few, and the heat that when operating generates is few.

Description

A kind of permanent-magnetic synchronous motor rotor component
Technical field
The utility model is related to field of electromechanical technology more particularly to a kind of permanent-magnetic synchronous motor rotor components.
Background technology
Existing permanent magnet synchronous servo motor rotor assembly is by shaft with threaded hole, rotor module or silicon steel sheet, magnetic The part combination of the assembly such as steel.The suction of magnet steel is very big, and the frangible inherent characteristic of stressed magnetic steel is easy to cause rotor assembly Material cost is high in design and manufacture, low production efficiency;In the prior art the installation and removal process of rotor component construction compared with It is difficult;Rotor assembly volume in the prior art is big, interacts during the work time with stator module due to generation heat is big It causes rotor temperature rise high, influences the performance and energy consumption of motor;In the prior art whirlpool is easy tod produce outside the permanent magnet of rotor assembly Stream loss.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of permanent-magnet synchronous in view of the above shortcomings of the prior art Motor rotor component, this permanent-magnetic synchronous motor rotor modular construction is simple, and installing and dismounting is easy to maintain, non-breakable, qualification rate Height, small, consumptive material is few, and the heat that when operating generates is few.
To realize the above-mentioned technical purpose, the technical solution that the utility model is taken is:
A kind of permanent-magnetic synchronous motor rotor component, including shaft, balance ring, magnet steel, carbon fiber casing, rotor core peace The periphery of key, the shaft is equipped with the first U-type groove, and the flat key is arranged in the first U-type groove, and the rotor core is set in The outer surface of shaft and rotor core is connect with the shaft interference, the balance ring are set in the end of the shaft and described Balance ring is connect with shaft and rotor core interference respectively, and the magnet steel is pasted onto the outer surface of rotor core, the carbon fiber Casing is set in the outer surface of the magnet steel and balance ring, and the shaft is internally provided with the first interconnected cylindrical bore With the second cylindrical bore, first cylindrical bore is more than the second cylindrical bore.
Further, the inner wall of the second cylindrical bore of the shaft is equipped with the second U-type groove, second U-type groove For installing flat key to connect equipment head spindle, one end that the shaft is equipped with the first cylindrical bore is equipped with 3 screw threads Hole and the other end are equipped with 2 holes for hoist.
Further, the outer surface of the balance ring is equipped with a circle groove, and the groove is used for stable equilibrium mud.
Further, the balance ring is 2, and 2 rotor balancing rings are connect with the outer surface interference at shaft both ends respectively.
The beneficial effects of the utility model are:
(1)The shaft overall structure of the utility model is simple, and processing technology is good, the first cylindrical bore of another shaft and The simple shape of two cylindrical bores, is easily worked, and the first cylindrical bore and the second cylindrical bore facilitate installation is external to set The demolition and maintenance of standby head spindle, rotor assembly are convenient;
(2)Rotor assembly is monoblock type, and magnet steel is table note formula, easy to operate, non-breakable, and qualification rate is high;
(3)The carbon fiber pipe of thin-walled is sleeved on the outer ring of rotor assembly, makes the size, concentricity and verticality of rotor assembly Precision is high, and the vibration, noise in the course of work are small;Rotor assembly is small, and consumptive material is few, and the heat that when operating generates is few, does not have Eddy-current loss, motor overall performance are good.
Description of the drawings
Fig. 1 is the structural section figure of the utility model.
Fig. 2 is the pivot structure schematic diagram of the utility model.
Fig. 3 is the sectional view of the rotor core of the utility model.
Fig. 4 is the structural schematic diagram of the magnet steel Surface Mount of the utility model..
Specific implementation mode
Specific embodiment of the present utility model is further illustrated below according to Fig. 1 to Fig. 4:
Referring to Fig. 1, a kind of permanent-magnetic synchronous motor rotor component, including shaft 1, balance ring 2, magnet steel 3, carbon fiber casing 4, Rotor core 5(Referring to Fig. 3)With flat key 6, referring to Fig. 2, in Fig. 2(a)For the right view of shaft 1, in Fig. 2(b)For shaft 1 Main view sectional view, in Fig. 2(c)Periphery for the left view of shaft 1, the shaft 1 is equipped with the first U-type groove 13, described Flat key 6 is arranged in the first U-type groove 13, and the rotor core 5 is set in the outer surface of shaft 1 and rotor core 5 and described turn 1 interference of axis connect, the balance ring 2 be set in the end of the shaft 1 and the balance ring 2 respectively with shaft 1 and rotor iron 5 interference of core connects, and the magnet steel 3 is pasted onto the outer surface of rotor core 5, and the carbon fiber casing 4 is set in 3 He of the magnet steel The outer surface of balance ring 2, the shaft 1 are internally provided with interconnected the first cylindrical bore 8 and the second cylindrical bore 7, first cylindrical bore 8 is more than the second cylindrical bore 7.The critical size of carbon fiber casing 4 is internal diameter and wall thickness, root According to the carbon fiber casing 4 of rotor assembly size selection corresponding size.
Referring to Fig. 2, the inner wall of the second cylindrical bore 7 of the shaft 1 is equipped with the second U-type groove 9, and described second is U-shaped For slot 9 for installing flat key 6 to connect equipment head spindle, one end that the shaft 1 is equipped with the first cylindrical bore 8 is equipped with 3 A threaded hole 11 and the other end are equipped with 2 holes for hoist 12.The endoporus of shaft 1 has Geometrical Tolerance Principle with end face and outer circle.Shaft 1 Common process equipment is firstly placed on by technical process roughing, single side size stays the allowance of 0.2MM or so, then on grinding machine Refine end face and endoporus(First cylindrical bore 8 and the second cylindrical bore 7).Ensure that 1 hole size precision controlling of shaft exists Within 0.02, the verticality of end face and endoporus is up to 0.01, and the concentricity control of endoporus and outer circle is within 0.03.The rotor iron Core 5, by being molded from riveting by a certain number of rotor punchings when rotor punching is punched and rivets.Referring to Fig. 4,3 threaded holes 11 are used In dismounting rotor assembly, 3 threaded holes 11 can be fixed on rotor installing and dismounting special machine by screw rod, be installed by rotor Dismounting special machine disassembles rotor assembly from equipment head spindle(Specifically by shaft 1 by 3 threaded holes 11 with Rotor installing and dismounting special machine is fixed, then by the cylinder on rotor installing and dismounting special machine to rotor assembly apply pulling force from And the second cylindrical bore 7 in rotor assembly is made to be detached from equipment head spindle), the first cylindrical bore 8 and second in shaft 1 The structure of the endoporus of the shaft 1 of the structure of cylindrical bore 7 than in the prior art is simple, and second cylindrical bore 7 is used in shaft 1 In being inserted into equipment head spindle, then the placement rotor pressure ring in the first cylindrical bore 8, set by rotor pressure ring and bolt fixation Standby head spindle, specifically, after equipment head spindle is inserted into the second cylindrical bore 7, bolt is from the first cylindrical bore 8 The endoporus of the threaded hole, equipment head spindle that inside screw in the middle part of rotor pressure ring successively by equipment head spindle so that be fixed on first In cylindrical bore 8.
Referring to Fig. 1, the outer surface of the balance ring 2 is equipped with a circle groove 10, and stable equilibrium mud is used in the groove 10. The balance ring 2 is 2, and 2 rotor balancing rings 2 are connect with the outer surface interference at 1 both ends of shaft respectively.The rotor core 5 Including rotor punching, structure is designed to auto-buckled type, by high velocity ram machine and the production of radical mould to ensure inside and outside rotor module The Geometrical Tolerance Principle of diameter and height dimension and iron core.
The present embodiment also provides a kind of manufacturing method of permanent-magnetic synchronous motor rotor component, includes the following steps:
(1) flat key 6 is fixed in the first U-type groove 13 of the periphery of shaft 1;
(2) it takes on balance ring 2 hot jacket to one end of shaft 1 after a heating;
(3)Rotor core 5 is pressed into shaft 1, while ensureing that the end face of rotor core 5 and the end face of balance ring 2 are neat It is flat;
(4)It takes on 2 hot jacket of balance ring to the other end of shaft 1 after another heating, while ensureing the end of the balance ring 2 The end face in face and rotor core 5;
(5)Referring to Fig. 4, magnet steel 3 includes the poles N magnet steel 14 and the poles S magnet steel 15, and 3 geomery of magnet steel and quantity are according to rotor Structure size determines, pastes the outer surface of rotor core 5 after magnet steel 3 is painted glue, while ensureing the poles N magnet steel 14 and the poles S The gap uniformity between each magnet steel 3 is arranged and ensured to 15 consecutive intervals of magnet steel, forms primary rotor component;
(6)By primary rotor assembly set upper rotor part magnet steel tooling and it is placed on fine grinding magnet steel 3 and balance ring 2 on grinding machine;Until The outer diameter of primary rotor component reaches the size requirement being pre-designed;
(7)Referring to Fig. 1, on the outer surface for the primary rotor component that carbon fiber casing 4 is sleeved on after fine grinding, will be set with The primary rotor component of carbon fiber casing 4 is placed on press table, and carbon fiber casing 4 is pressed into primary rotor group by press On the outer surface of part, rotor assembly is formed;
(8)The positive qualified dynamic balancing tooling of high-ranking officers is sleeved on rotor assembly, and the other end is lockked with nut, and uses dynamic balancing The amount of unbalance of instrument test rotor assembly, according to the amount of unbalance of rotor assembly using duplicate removal or the method for exacerbation to rotor set Part carries out dynamic balance treatment.The method of duplicate removal refers to being drilled to balance ring 2 according to the position of the amount of unbalance of rotor assembly, The method of exacerbation refers to balancing mud to increasing in the groove 10 of balance ring 2 according to the position of the amount of unbalance of rotor assembly, until The amount of unbalance of rotor assembly meets product requirement.
In the present embodiment, it is described rotor core 5 is pressed into specifically include in shaft 1 rotor is passed through into pressing plate and oil pressure Machine is pressed into shaft 1.It is described rotor core 5 is pressed into specifically include in shaft 1 rotor is passed through into pressing plate and aerostatic press It is pressed into shaft 1.
The utility model is related to permanent-magnetic synchronous motor rotor component mechanical structure it is simple, process and assemble process is few, manufacture Equipment is common, is convenient for industrialized mass production;When the precision height that 1 size of shaft is related to can effectively reduce rotor assembly rotation Beating degree;1 processing technology of shaft is simple, and production cost is low;Rotor core 5 is auto-buckled type structure, it can be achieved that automated production; Using carbon fiber pipe new technology, solve the problems, such as that existing permanent magnet outer protection layer thickness is big or easy tos produce eddy-current loss;Turn Sub-component is simple in terminal installation dismounting, easy to maintain.
The scope of protection of the utility model includes but not limited to embodiment of above, and the scope of protection of the utility model is to weigh Subject to sharp claim, any replacement being readily apparent that those skilled in the art that this technology is made, deformation, improvement are each fallen within The scope of protection of the utility model.

Claims (4)

1. a kind of permanent-magnetic synchronous motor rotor component, it is characterised in that:Including shaft, balance ring, magnet steel, carbon fiber casing, turn The periphery of sub- iron core and flat key, the shaft is equipped with the first U-type groove, and the flat key is arranged in the first U-type groove, the rotor Iron core is set in the outer surface of shaft and rotor core is connect with the shaft interference, and the balance ring is set in the shaft The end and balance ring is connect with shaft and rotor core interference respectively, the magnet steel is pasted onto the outer surface of rotor core, The carbon fiber casing is set in the outer surface of the magnet steel and balance ring, and the shaft is internally provided with interconnected first Cylindrical bore and the second cylindrical bore, first cylindrical bore are more than the second cylindrical bore.
2. permanent-magnetic synchronous motor rotor component according to claim 1, it is characterised in that:The second of the shaft is cylindrical The inner wall of axis hole is equipped with the second U-type groove, and second U-type groove is used to install flat key to connect equipment head spindle, described One end that shaft is equipped with the first cylindrical bore is equipped with 3 threaded holes and the other end is equipped with 2 holes for hoist.
3. permanent-magnetic synchronous motor rotor component according to claim 1, it is characterised in that:The outer surface of the balance ring is set There are a circle groove, the groove to be used for stable equilibrium mud.
4. permanent-magnetic synchronous motor rotor component according to claim 3, it is characterised in that:The balance ring is 2,2 Rotor balancing ring is connect with the outer surface interference at shaft both ends respectively.
CN201721847017.6U 2017-12-26 2017-12-26 A kind of permanent-magnetic synchronous motor rotor component Withdrawn - After Issue CN207896753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721847017.6U CN207896753U (en) 2017-12-26 2017-12-26 A kind of permanent-magnetic synchronous motor rotor component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721847017.6U CN207896753U (en) 2017-12-26 2017-12-26 A kind of permanent-magnetic synchronous motor rotor component

Publications (1)

Publication Number Publication Date
CN207896753U true CN207896753U (en) 2018-09-21

Family

ID=63549730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721847017.6U Withdrawn - After Issue CN207896753U (en) 2017-12-26 2017-12-26 A kind of permanent-magnetic synchronous motor rotor component

Country Status (1)

Country Link
CN (1) CN207896753U (en)

Similar Documents

Publication Publication Date Title
CN102593989B (en) Rotor structure for permanent-magnet synchronous direct drive motor
CN207896753U (en) A kind of permanent-magnetic synchronous motor rotor component
CN100430168C (en) Process for producing axial magnetic bearing structure
CN104362813B (en) Magnetic steel mounting method for 50kW ultrahigh permanent magnet generator rotor
CN107863830A (en) A kind of permanent-magnetic synchronous motor rotor component and its manufacture method
CN106921234B (en) Magnetic gear outer rotor mounting structure
CN207868884U (en) A kind of embedded rotor module of servo motor
CN103441634A (en) Self-starting permanent magnet synchronous motor of magnetism and electricity conducting composite tooth structure
CN201122869Y (en) Beam pumping unit actuator
CN216252410U (en) Embedded permanent magnet synchronous motor and balancing device thereof
CN202190189U (en) Self-centering rotor core stacking mold
CN201541158U (en) 1.5MW permanent-magnet direct-drive wind power generator inner rotor
CN113726048B (en) Synchronous permanent magnet frequency conversion high-efficiency motor
CN201690305U (en) High-speed motor
WO2019011235A1 (en) High-speed asynchronous motor rotor structure and motor comprising same
CN109687615B (en) Three-phase permanent magnet synchronous motor for injection molding
CN204012985U (en) A kind of permanent magnet machine rotor
CN221728017U (en) Rotor assembly, motor and vehicle
CN206811131U (en) A kind of multi-mould processing unit (plant) of neodymium iron boron
CN111799907A (en) Surface-mounted permanent magnet motor rotor and manufacturing method thereof
CN107086720B (en) Inner rotor permanent magnet synchronous traction machine
CN111092506A (en) Permanent magnet synchronous motor rotor
CN204013155U (en) The stator fixing apparatus of outer-rotor structure permanent magnetic synchronous traction machine
CN206481133U (en) A kind of rotor structure of new-energy automobile synchronous magnetoelectric machine
CN210867466U (en) High-voltage permanent magnet intelligent driving system for water conservancy vertical shaft

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20180921

Effective date of abandoning: 20240405

AV01 Patent right actively abandoned

Granted publication date: 20180921

Effective date of abandoning: 20240405

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned