Stainless steel force arm belt sander

The utility model relates to a stainless steel force arm belt sander which comprises a base, and a driving motor is arranged on the base. The front and rear sides of the driving motor are in driving connection with driving wheels, and the left and right sides are detachably connected with first telescopic stainless steel force arms through connecting hoops; a first assembly turntable is arranged at one end, far away from the driving motor, of the first telescopic stainless steel force arm; the first assembling turntable is connected with an adjusting bracket; a first driven wheel is arranged on the adjusting bracket; according to the use scene, the first telescopic stainless steel force arm can be adjusted to be placed at different angles, one driven wheel can achieve grinding modes in different states, and compared with an existing belt sander which is provided with driven wheels in the horizontal direction and the vertical direction correspondingly, the belt sander has the advantages of saving materials, re