Convenient-to-adjust cutting-off device for machining

The invention provides a convenient-to-adjust cutting-off device for machining. The convenient-to-adjust cutting-off device comprises a frame structure, a guide structure is mounted on the frame structure, an adjusting structure is mounted at the front end of the guide structure, a discharging structure is mounted at the right end of the guide structure, the tail end of the discharging structure is connected to a control structure. the frame structure further comprises an installation frame, extension frames and main baffles, two extension frames are fixedly installed at the right end of the installation frame, sliding grooves are formed in the top ends of the extension frames, sliding blocks are installed in the sliding grooves in a sliding mode, the two sliding blocks are arranged on the main baffles in a sleeve mode, in the guide structure, two guide plates are arranged symmetrically, the guide structure can have a better guide effect, a guide belt is installed on the guide plate, a guided workpiece cannot