Multi-station refrigerator base plate full-automatic tapping machine and working method thereof

The invention discloses a multi-station refrigerator base plate full-automatic tapping machine. The multi-station refrigerator base plate full-automatic tapping machine comprises a supporting mechanism, tapping mechanisms and a rotating mechanism. The tapping mechanisms and the rotating mechanism are installed on the top of the supporting mechanism. The two tapping mechanisms are installed in a 90-degree mode. The bottom ends of the tapping mechanisms and the bottom end of the rotating mechanism are fixed to the upper surface of the supporting mechanism, and the two tapping mechanisms are installed on the side surface of the rotating mechanism. Each tapping mechanism comprises connecting plates, a horizontal baffle, a first motor, a connecting frame, a threaded rod, sliding rails, slidingblocks, a sliding plate, a fixing hoop, a tapping machine, a tapping head and a limiting block. The invention further discloses a working method of the multi-station refrigerator base plate full-automatic tapping machine. A t