Roller workpiece shaft head assembling and disassembling device

The utility model relates to the technical field of roller body machining, and discloses a roller workpiece shaft head assembling and disassembling device which comprises a supporting base and a first sliding frame arranged on the surface of the supporting base in a sliding and sleeving mode. The barrier plate is fixedly connected to the upper surface of the first sliding frame; the second sliding frame sleeves the surface of the supporting seat in a sliding manner and is positioned on one side of the first sliding frame; the fixed plate is fixedly connected to the upper surface of the second sliding frame; a thread sleeve can be driven by an arranged forward and reverse threaded rod to move relatively, so that the thread sleeve drives a sliding sleeve to slide on the surface of a sliding rod through a connecting rod, the connecting rod drives a clamping plate to move relatively, and a shaft head of a roller body is fixedly clamped and fixed and then pushed out through a first air cylinder; the roller body an