The utility model relates to the technical field of
machining, and discloses a pressure-equalizing dust collection box for bead
machining, which comprises a
machining table and a box body, the box body is arranged above the machining table, a dust collection support for supporting the box body is fixed on the top side of the machining table, the box body is of a hollow structure, and the machining table is arranged on the box body. An
exhaust pipe externally connected with an exhaust fan is transversely arranged on one side of the box body, a plurality of dust suction pipes are arranged outside the box body, the dust suction pipes are communicated with the
exhaust pipe through the box body, and a filter cover is arranged at one end, extending into the box body, of the
exhaust pipe. The device has the beneficial effects that the rotatable movable plate is arranged on the side, close to the box body, of the filter cover, the shaft rod can be driven to rotate by rotation of the operating rod extending out of the exhaust
pipe, the shaft rod drives the movable plate and bristles on the surface of the movable plate to rotate, dust and impurities gathered on the surface of the filter cover are swept and removed, and it is guaranteed that filter holes serve as filter channels to be in a smooth state; the complexity of detaching the pipeline and cleaning the built-in filter screen is avoided, and the use is more convenient.