Device for processing rear fork disc brake seat

The utility model discloses a device for processing a rear fork disc brake seat. The device comprises a machine seat, a tool rest, a fixture on which a rear fork disc brake seat is placed, and a tool; the tool rest comprises a first bracket which is capable of transversally sliding relative to the machine seat and arranged on the machine seat, as well as a second bracket and a third bracket that are capable of vertically sliding relative to the first bracket and arranged on the first bracket; the third bracket extends along the transverse direction of the machine seat; and the end of the third bracket, which is located in transverse direction, is fixedly connected with the second bracket; the tool is arranged at the other end of the second bracket; and the tool comprises a fixture seat arranged on the machine seat and a positioning shaft arranged on the fixture seat. By adopting the structure, the device can full-automatically mill and level the end face of the rear fork disc brake seat, and the work efficien