Motor noise reduction device

The utility model discloses a motor noise reduction device. The device comprises an upper shell and a lower shell, cooling bins are arranged in the upper shell and the lower shell correspondingly, heat conduction fins are fixedly arranged on the opposite sides of the two cooling bins correspondingly, sound insulation cavities are formed in the outer sides of the cooling bins correspondingly, soundabsorption sponges are fixedly arranged on the two sides of the upper shell and the two sides of the lower shell correspondingly, and fixing blocks are fixedly arranged on the two sides of the uppershell correspondingly. According to the utility model, the supports at two sides of the upper shell are movable; the clamping column at the bottom of the bracket is embedded into the bottom of the clamping block; the fixation of the upper shell and the lower shell is completed; the heat conduction fins conduct the heat generated by the work of the motor to the cooling bin; according to the noise reduction device, the motor