Vibration aging processing device of motor iron core

A technology of vibration aging and iron core, which is applied in the manufacture of stator/rotor body, etc., which can solve the problems of long time consumption, complicated process and high energy consumption

Inactive Publication Date: 2014-03-26
SHANDONG HUALI ELECTRIC MOTOR GRP
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  • Application Information

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Problems solved by technology

[0006] In order to overcome the disadvantages of complex process, long time consumption and high energy consumption in removing the punching stress of the iron core and improving the magnetic properties of the punched sheet in the prior art, the present invention provides a vibration aging control system for the motor iron core. processing device

Method used

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  • Vibration aging processing device of motor iron core
  • Vibration aging processing device of motor iron core

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0012] as attached figure 1 As shown, the vibration aging treatment device for the motor iron core includes a vibration platform 1, a rubber foot 2 is provided under the vibration platform, and an iron core pressing device is provided in the middle of the vibration platform, and the iron core pressing device includes an iron core The positioning rod 3, the iron core pressing plate 4 and the compression nut 5, when the iron core 6 sits on the vibration platform 1 through the iron core positioning rod 3, the iron core pressing plate 4 is pressed on the top of the iron core and passed the pressure on the top of the iron core positioning rod. Tight nut 5 is locked.

[0013] as attached figure 1 As shown, the device also includes a resonant vibrator 7, and the resonant vibrator 7 is clamped on one end of the vibrating platform 1 through a clamp 8.

[001...

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Abstract

The invention belongs to the technical field of manufacturing of motors. In order to resolve the technical problem existing in the process of removing blanking stress of an iron core in the prior art, the invention provides a vibration aging processing device of a motor iron core. The vibration aging processing device of the motor iron core comprises a vibration platform, wherein rubber supporting legs are arranged under the vibration platform. The vibration aging processing device of the motor iron core is characterized in that an iron core pressing device is arranged in the middle of the vibration platform. The vibration aging processing device of the motor iron core further comprises a resonance vibration exciter, the resonance vibration exciter comprises a motor, an eccentric block is arranged on a motor shaft, the motor is clamped on an end portion of the vibration platform through a clamp, and the eccentric block can generate vibration impact on the vibration platform when the motor operates. The vibration aging processing device of the motor iron core further comprises a vibration aging instrument and an acceleration sensor, wherein the acceleration sensor is fixed to the surface of the iron core, and the acceleration sensor and the resonance vibration exciter are electrically connected with the vibration aging instrument. The motor iron core processed through the vibration aging processing device can improve the efficiency of the whole motor by 0.3-0.8%, the stray losses can be reduced by 15-25%, and the effect is obvious.

Description

[0001] technical field [0002] The invention belongs to the technical field of motor manufacturing, and in particular relates to an aging treatment device for removing punching stress and restoring magnetic permeability of a motor iron core. Background technique [0003] The iron core of the motor is made of silicon steel sheet which is punched into a groove shape to form punched sheets, and the punched sheets are stacked. Due to the shearing effect of the punching die during punching, the grains of the silicon steel sheet structure at the edge of the groove and the outer circle of the punching line will break, and the crystal lattice will be twisted and deformed to cause shear stress, which will lead to The deterioration of magnetic performance is particularly serious due to the fact that the notch of the stator and rotor is closest to the air gap and has the largest shape mutation, many sharp corners, and stress concentration, which will increase the additional loss of th...

Claims

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Application Information

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IPC IPC(8): H02K15/02
Inventor 李海成尹志华王庆东
Owner SHANDONG HUALI ELECTRIC MOTOR GRP
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