Multi-surface automatic rack locking device for six-axis robot

The invention provides a multi-surface automatic rack locking device for a six-axis robot. The device comprises a feeding mechanism, locking mechanisms and screw feeders; the feeding mechanism comprises a turntable, a cam divider and tool jigs; the turntable is arranged on the cam divider, the two tool jigs are symmetrically arranged on the turntable, and the bottoms of the tool jigs are providedwith rotating cylinders; and the two screw feeders are arranged on the two sides of the turntable respectively. Each screw feeder comprises a feeding turbine, a feeding runner and a distributing mechanism, wherein the feeding runner is obliquely arranged on the distributing mechanism, and the feeding turbine is connected with the upper end of the feeding runner. The number of the locking mechanisms is two. Each locking mechanism comprises a six-axis mechanical arm and a locking unit, wherein the six-axis mechanical arm is arranged on the rear side of the screw feeder, and the locking unit is arranged at the moving end