Lithium battery shell disassembling method and device

The invention discloses a lithium battery shell disassembling method and device in the field of battery disassembling. The lithium battery shell disassembling device comprises an upper bracket, a right bracket, a lower bracket and a left bracket connected sequentially to form a square shape, and also comprises vertical driving devices, horizontal driving devices, a clamping device, a cutting device A and a cutting device B; both the horizontal driving devices and the vertical driving devices are two; the two horizontal driving devices are staggered front and rear and are respectively fixed onthe opposite side walls of the upper bracket and the lower bracket; the two vertical driving devices are fixed front and back on the horizontal driving device; and the cutting device A and the cuttingdevice B are respectively fixed on the two vertical driving devices. The lithium battery shell disassembling method and device provided by the invention can realize an assembly line work of the lithium battery, and is benefic