The invention relates to a numerical control full automatic accumulator shear plate disassembly line, relating to the waste accumulator disassembly device field. The invention is characterized in that the disassembly line comprises a conveyer system, wherein the conveyer system is provided with a sensor system, a clamping mechanism and a shearing mechanism which are connected with an intelligent control system; the output end of the sensor system is connected with the input end of the intelligent control system; the output end of the intelligent control system is connected with the output ends of the clamping mechanism and the shearing mechanism; the sensor system contains a clamping force sensor and a system number detection sensor; the shearing mechanism contains a primary shear plate, a secondary shear plate and a third shear plate; clamping devices are arranged before the three shear plates; and the conveyer system is also provided with a front stopper automatic position-switching device and a front stopper secondary automatic position-switching device. The invention has the following beneficial effects: the disassembly line is stable to operate, is safe, reliable and environment-friendly, has the advantages of high production efficiency, low noise and investment cost and no pollution and can reduce the damage to human body.