Injection-molding shock absorption rotor

A technology of rotor and shock-absorbing rubber, which is applied in the direction of magnetic circuit rotating parts, manufacturing motor generators, electrical components, etc., can solve the problems of motor power and efficiency that are difficult to meet the requirements, waste of human resources, abnormal motor noise, etc., to achieve Improve the use value and economic benefits, improve the shock absorption effect, and improve the effect of mechanical strength

Inactive Publication Date: 2015-04-08
FGLS ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known defects of this structure are: 1. The magnetic properties of commonly used plastic magnetic materials are not high, and the power and efficiency of the motor are difficult to meet the requirements.
2. The structure needs to be reprocessed many times after injection molding, which wastes a lot of human resources
This structure also has many defects: 1. The processing technology is difficult, the position accuracy cannot be guaranteed, and the rotor balance accuracy afte

Method used

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  • Injection-molding shock absorption rotor
  • Injection-molding shock absorption rotor
  • Injection-molding shock absorption rotor

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[0017] The present invention will be further explained below in conjunction with the drawings:

[0018] With reference to the drawings, an injection-molded shock-absorbing rotor includes a supporting iron core 1, a magnetic steel 4, and is characterized in that: the supporting iron core 1 is provided with a shock-absorbing rubber 3 on the periphery, and the shock-absorbing rubber 3 is provided with a yoke 2 on the periphery A number of magnets 4 are evenly distributed on the periphery of the yoke 2, and the gap between the dovetail groove on the yoke and the magnet and the gap formed between the outer circles of adjacent magnets are filled with engineering plastics 5. A plurality of dovetail grooves 21 are uniformly arranged on the outer circle of the yoke 2, and a plurality of dovetail bosses B22 are uniformly arranged on the inner circle of the yoke 2. A plurality of dovetail bosses A12 are uniformly arranged on the outer circle of the supporting iron core 1, and a plural...

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Abstract

The invention discloses an injection-molding shock absorption rotor which comprises a supporting iron core and magnetic steel, wherein shock absorption rubber is arranged at the periphery of the supporting iron core; a magnetic yoke is arranged at the periphery of the shock absorption rubber; a plurality of pieces of magnetic steel are uniformly distributed at the periphery of the magnetic yoke; engineering plastic is injected into clearances between a dovetail groove in the magnetic yoke and the magnetic steel and clearances formed between the outer circles of the adjacent magnetic steel. The injection-molding shock absorption rotor is ingenious and reasonable in structure and convenient to process; the shock absorption effect is enhanced, the equipment noise generated by motor resonance is avoided, the rotor balance precision is improved, and the mechanical strength of the rotor is improved; the magnetism can be improved by over 30 percent in comparison with a common rotor; the service life is prolonged; the injection-molding shock absorption rotor has extremely high use value and economical benefits.

Description

technical field [0001] The invention relates to the technical field of small motor rotor structures, in particular to an injection molding damping rotor. Background technique [0002] There are generally two types of rotors for small motors in the prior art. The first type is usually directly injection-molded using plastic magnetic materials and a rotating shaft. The known defects of this structure are: 1. The commonly used plastic magnetic material has low magnetic properties, and the power and efficiency of the motor are difficult to meet the requirements. 2. The structure needs to be reprocessed many times after injection molding, which wastes a lot of human resources. The second type uses a magnetic steel structure. Usually, the rotating shaft is first riveted with the rotor core, and then the magnetic steel is bonded to the outer periphery of the iron core with glue. This structure also has many defects: 1. The processing technology is difficult, the position accu...

Claims

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Application Information

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IPC IPC(8): H02K1/22
CPCH02K1/276H02K15/03H02K2201/09
Inventor 陈波环宇平
Owner FGLS ELECTRIC CO LTD
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