Automatic assembling device used for assembling steel balls and steel pins simultaneously and assembling method of automatic assembling device

The invention discloses an automatic assembling device used for assembling steel balls and steel pins simultaneously, and belongs to the technical field of automatic tools. The automatic assembling device comprises a positioning base used for positioning a to-be-installed workpiece, the automatic assembling device further comprises a first vibrating disc for containing the steel balls and a secondvibrating disc for containing the steel pins, the first vibrating disc and the second vibrating disc feed the steel balls and the steel pins to a receiving device through vibration feeding, a feedingplate is movably installed in the receiving device and is connected with a first driver and a feeding pipe, the motion positions of the feeding plate in the receiving device comprise a first positionand a second position, when the feeding plate is at the first position, the steel balls are conveyed into the to-be-installed workpiece through the feeding pipe, and when the feeding plate is locatedat the second position, the