Axial positioning structure for rotor front bearing of angle grinder

The utility model provides an axial positioning structure for a front bearing of a rotor of an angle grinder. The device comprises a gear box, a rotor and a bearing, the rotor and the bearing are botharranged in the gear box; bearing is a circular ball bearing, the bearing is rotationally connected to a rotating shaft of the rotor, the rotating shaft of the rotor penetrates through the bearing and extends into the gear box, a gland is arranged at the end of the bearing and used for fixing the bearing, the gland is arranged on the rotating shaft of the rotor in a sleeving mode and fixedly connected to the gear box, a gasket is arranged between the bearing and the gland, and the surface of the gasket is wavy. According to the axial positioning structure for the front bearing of the rotor ofthe angle grinder, the wave-shaped gasket and the gland are arranged in the axial direction of the bearing, so that the noise and vibration of a gear can be reduced when the machine works, the impactof the vibration and rever