Grinding structure of grinding machine

The utility model discloses a grinding structure of a grinding machine, and belongs to the technical field of grinding machines, the grinding structure comprises a workbench, a fixing plate and a pipe body are fixedly arranged at the top end of one side of the workbench, the pipe body is located at the middle position of the bottom surface of the fixing plate, a cross beam is fixedly arranged on one side of the fixing plate, and an electric push rod is fixedly arranged at the bottom end of the cross beam; a motor is fixedly arranged on the end face of a piston rod of the electric push rod, a connecting shaft of the motor is fixedly connected with a grinding wheel, a filter screen and a draught fan are arranged in the pipe body, chippings generated by tool grinding can be sucked into the pipe body through wind generated by the draught fan, the filter screen plays a role in blocking the chippings, and therefore the chippings can be prevented from falling off. The chippings are prevented from making contact with