Cutter for removing chemical fertilizer ton bag

The cutter comprises a telescopic rod and an art designing blade, a through hole is formed in the side wall of the art designing blade, a first connecting block is installed at the end of the telescopic rod, a second connecting block is installed on the side wall of the telescopic rod, and a first clamping block is jointly installed at the end of the first connecting block and the end of the second connecting block. The art designing blade is slidably mounted on the side wall of the first clamping block, a second clamping block is mounted on the side wall, away from the first clamping block, of the art designing blade, the art designing blade is slidably mounted on the side wall of the second clamping block, a third connecting block is jointly mounted at the end of the first clamping block and the end of the second clamping block, and a threaded rod is mounted at the through hole. A first nut and a second nut are installed on the periphery of the threaded rod in a threaded mode. The distance between a worker