Dust filter for pastry making

The invention relates to the technical field of pastry making, and discloses a pastry making dust filter which comprises a base device, a cover plate device is arranged on one side of the outer surface of the base device, a filter pipe device is arranged in the base device, the base device comprises a device pipe, a connecting plate is arranged in the device pipe, and a device plate is arranged on one side of the outer surface of the device pipe. A threaded pipe is arranged on one side of the outer surface of the device plate, a threaded insertion rod is arranged at one end of the threaded pipe, a device box is arranged on the lower side of the outer surface of the device pipe, an auxiliary pipe is arranged in the device box, a limiting pipe is arranged on one side of the inner wall of the device box, and a fixing rod is arranged in the limiting pipe. According to the device, when a supporting rod is connected with an auxiliary pipe in an inserted mode, a rotating rod is rotated, a threaded rod drives a threa