Crusher and automatic motor aligning mechanism thereof

The utility model belongs to the technical field of crushing equipment, and provides a motor automatic aligning mechanism which comprises a motor, a motor base, a mounting frame and a gasket assembly, an adjusting rod is arranged on the motor base, and the motor is arranged on the motor base; one end of the mounting frame is connected with a motor base rotating shaft, and the other end of the mounting frame is connected with the motor base through an adjusting rod; a mounting hole is formed in the mounting frame, and the adjusting rod penetrates through the mounting hole to be connected with the motor base; the gasket assembly comprises a spherical gasket, a conical gasket and a fixing nut. The spherical gasket and the conical gasket are connected in an embedded mode. The two gasket assemblies are arranged on the adjusting rod in a sleeving mode from the two opposite end faces of the mounting frame respectively, and the spherical gasket and the conical gasket are sequentially pressed on the mounting frame thr