Sleeve cutting device

The invention discloses a sleeve cutting device which comprises a workbench, a limiting pipe, a cutting knife, a cutting table, a storage box, a pipe collecting disc, a controller, a horizontal moving mechanism, a driving mechanism, a first lifting mechanism, a second lifting mechanism, a first clamping mechanism and a second clamping mechanism. The horizontal moving mechanism and the first lifting mechanism are arranged at the upper end of the workbench in a front-back spaced mode, the limiting pipe is horizontally arranged above the horizontal moving mechanism in the front direction and is in transmission connection with the horizontal moving mechanism through a connecting piece, and a first through hole is horizontally formed in the right end of the limiting pipe; the cutting table is horizontally arranged above the first lifting mechanism and is in transmission connection with the first lifting mechanism, the cutting knife is in transmission connection with the second lifting mechanism, the storage box is