Coping device for seam welder

The utility model discloses a grinding device for a seam welder. The utility model belongs to the technical field of seam welders. The problem that most grinding modes depend on manual operation is solved; large risk of safety accidents, time and labor are wasted for personnel. The key points of the technical scheme are as follows: the device comprises a mounting frame and a motor device fixed onthe mounting frame, the motor device comprises a shell and a rotating shaft; the shell is fixed on the mounting frame; a driving belt wheel is fixed on the rotating shaft; the driving belt wheel is sleeved with a grinding belt; a supporting seat is fixed on the shell; a straight rod is fixedly connected to the supporting seat; a sliding block is slidably connected to the straight rod. A spring used for resetting the sliding block to be located at the end of the straight rod is arranged between the sliding block and the supporting base. The sliding block is rotationally connected with a lever,the fulcrum portion of the