Cutting device for brush machining

The utility model belongs to the technical field of brush processing, and relates to a cutting device for brush processing, which comprises a working table, a processing box and a first mounting box are arranged at the top of the working table, a first cylinder is arranged in the first mounting box, one end of the first cylinder penetrates through the processing box and is provided with a push plate, and the push plate is provided with a second cylinder. And two supporting seats are arranged in the processing box, and movable cavities are formed in the two supporting seats correspondingly. The cutting device for brush machining has the beneficial effects that through the arrangement of the fixing base, a second air cylinder, a fixing plate, a second driving motor, a threaded rod and the like, the second air cylinder drives the fixing plate to fix a brush on the fixing base, and then the second driving motor drives the threaded rod to rotate; and rotation of the threaded rod enables the sliding sleeve and the