Storage device

The utility model discloses a storage device which comprises a storage assembly, a piece taking assembly and a rack. The storage assembly and the workpiece taking assembly are both installed on the rack. The storage assembly is arranged above the piece taking assembly; the storage assembly comprises a first clamping piece, a second clamping piece and a clamping piece driving mechanism; the first clamping piece and the second clamping piece are oppositely arranged; the clamping piece driving mechanism drives the first clamping piece and the second clamping piece; the first clamping piece comprises a first barrier strip; the second clamping piece comprises a second barrier strip; the workpiece taking assembly comprises a jacking mechanism and a horizontal conveying mechanism; the jacking mechanism comprises a first lifting platform and a supporting plate arranged at the top end of the first lifting platform; the maximum diameter of the supporting plate is smaller than the shortest distance between the first bar