The utility model relates to the technical field of
wood processing, in particular to a dust self-suction type bench saw. The technical problems that due to the lack of an automatic lifting dust collection device, the dust collection efficiency is influenced by the material thickness, manual adjustment is needed, the working efficiency is reduced, the environment and the health of an operator are influenced, and an auxiliary
positioning system has design defects, is inconvenient to use and low in precision and increases the burden of manual calibration are solved. According to the technical scheme, the dust self-suction type bench saw comprises a
workbench. Through the arrangement of the dust collection mechanism, during operation, the motor drives the
threaded rod to rotate, the connecting block slides along the rotating groove, the dust cover ascends and descends along with the connecting block, the
machining area is covered, the draught fan is started synchronously,
suction force is formed, wood chips in the dust cover are extracted through the hose and fed into the collection box, and during cleaning, the drawer is directly pulled out to pour out the wood chips; the rotary knob is rotated to drive the positioning lead screw to rotate, the positioning lead screw is matched with the sliding block to clamp the guide rod, simple single-side rotary knob auxiliary positioning is achieved, and working efficiency and safety are improved.