Limestone crushing device with dust collecting function

The utility model discloses a limestone crushing device with a dust collecting function, relates to the technical field of limestone crushing, and provides the following scheme aiming at the problems that the existing dust is easy to fly out of a crushing box to cause environmental pollution and personnel harm: the limestone crushing device comprises a crushing box, and collecting barrels are fixedly connected with two sides of the crushing box; dust inlet holes communicating with each other are formed between the collecting barrel and the crushing box, a dustproof barrel is fixedly connected to the upper top surface of the inner side of the collecting barrel, a driving motor is fixedly connected to the upper surface of the outer side of the collecting barrel, and a threaded rod rotationally connected with the inner side of the collecting barrel is fixedly connected to the output end of the driving motor; the dust collecting and recycling device is simple in structure, capable of preventing dust from flying o