Support structure for servo motor cooling fan

Abstract

The invention belongs to the field of motors, and particularly provides a support structure of a cooling fan for a servo motor. The invention aims to solve the problems that the existing servo motor is low in heat radiation efficiency, and motor fan dynamic balance accessories can be easily fallen off. The cooling fan provided by the invention comprises support rings and fan blades. Each support ring comprises a first axial part, a first vertical part, a second axial part and a second vertical part connected sequentially; and one end of each fan blade is fixedly connected with the second vertical part of the first support ring. Extending faces of the fan blades point to a rotation axis of the support ring; and a balance disc used for improving the dynamic balance of the cooling fan is also arranged on the cooling fan. The cooling fan further comprises a drive motor connected with the cooling fan, and the drive motor is used for driving the fan blades to rotate. When the cooling fan is used for cooling the motor, the good heat radiation of the motor can be ensured no matter the cooling fan rotates positively or negatively, and in addition, the balance disc for removing unbalanced weight and balancing is arranged on the fan, so that the fan can run stably without generating vibration during operation.

Description

technical field [0001] The invention belongs to the field of motors, and specifically provides a support structure for a cooling fan of a servo motor. Background technique [0002] When domestic and foreign servo motors are cooled by forced air cooling, axial flow fans or eddy current centrifugal fans are usually used as cooling air sources. Existing shaft diameters (Φ8-Φ12mm) of the same power are generally small. In a working environment with high vibration, the vibration of the fan itself will also increase, thereby reducing the service life of the fan. At the same time, the existing axial flow fans and vortex centrifugal fans have forward and reverse rotation requirements. In practical applications, many operators have not noticed this problem. The fans are often in the reverse operation state. At this time, the air output It is only one-tenth to one-fifth of the actual air volume, and has almost no heat dissipation effect on the servo motor, resulting in the servo moto...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above problems in the prior art, that is, in order to solve the problems of low heat dissipation efficiency and easy falling off of the motor fan motor balance parts when the existing servo motor is reversed, the present invention provides a support structure for the servo motor cooling fan, which It is characterized in that the cooling fan includes a first support ring and fan blades distributed circumferentially on the first support ring, and the first support ring includes a first axial part, a first vertical part, The second axial part and the second vertical part, one end of the fan blade is fixedly connected to the second vertical part of the first support ring; the cooling fan also includes a driving motor, and the driving motor includes a motor The casing and the stator and rotor arranged in the motor casing; the cooling fan also includes adjacent first bearings and second bearings, the outer rings of the first bearing and the second bearing are connected with the motor The casing is connected, and the inner rings of the first bearing and the second bearing are connected with the rotor

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