Aluminum profile grinding device

The utility model discloses an aluminum profile polishing device, which relates to the technical field of aluminum profiles and comprises a base, a lifting cylinder is mounted at the top of the base, a top plate is connected to the top of the lifting cylinder, a polishing machine is mounted at the bottom of the top plate, and a first fixing ring is mounted at the top of the base. Fixing plates are installed at the two ends of the first fixing ring, fixing bolts are installed on the front faces of the fixing plates, a second fixing ring is connected to one side of the first fixing ring, and a connecting pipe is connected to the inner side of the second fixing ring. According to the polishing machine, firstly, the lifting air cylinder is started by a worker, the top plate at the top is driven by the lifting air cylinder to move downwards, meanwhile, the polishing machine at the bottom of the top plate can move downwards, and therefore the height of the polishing machine is adjusted, and when the height is adjus