Cutting device for tubular workpiece

The utility model relates to a tubular workpiece cutting device which is mainly used for cutting tubular workpieces and comprises a rack, a horizontal table is arranged on the rack, a plurality of sliding grooves are formed in the horizontal table, a plurality of idler wheels are arranged in the sliding grooves, a pushing mechanism is arranged on the horizontal table, and the pushing mechanism pushes a plurality of workpieces to move along the sliding grooves. A clamping mechanism and a cutting mechanism are arranged at the positions, located at the rear end of the horizontal table, of the rack, the clamping mechanism comprises an upper clamping part, a lower clamping part and a driving mechanism for driving the upper clamping part and the lower clamping part to move, a collecting frame is arranged on the rack, and a first lifting mechanism for driving the collecting frame to ascend and descend is arranged on the rack; and a plurality of inserting rods are horizontally arranged on the collecting frame. The ut