Cutting device for hardware machining

The cutting device for hardware machining comprises a workbench, first linear guide rails are fixedly arranged on the two sides of the top end of the workbench, two first sliding seats are connected to the surfaces of the two linear guide rails in a sliding mode, and clamping assemblies are arranged at the top ends of the two first sliding seats. A forward and reverse rotation motor is fixedly installed on the side of the workbench through a fixing frame, a transmission shaft of the forward and reverse rotation motor is fixedly provided with a connecting lead screw, connecting plates are fixedly arranged in the middles of the bottom ends of the two first sliding seats, and lead screw nuts in threaded connection with the connecting lead screw are fixedly arranged in the middles of the two connecting plates. The clamping device has the advantages that the arranged clamping assembly is used for clamping the two ends of raw materials, the arranged forward and reverse rotation motor drives the connecting lead scre