Simple inner and outer circle small grinding machine for lathe

The utility model relates to the technical field of simple inner and outer circle small grinding machines for lathes, and discloses a simple inner and outer circle small grinding machine for lathes, which comprises a motor, an output shaft on the motor is connected with a first belt pulley, the motor is mounted on a fixing seat, and a spindle is movably connected onto the fixing seat. And one end of the main shaft is connected with a second belt pulley. According to the simple inner and outer circle small grinding machine for the lathe, the lathe tool rest and the lathe are installed, the grinding angle can be adjusted according to the actual grinding requirement, and the motor drives the first belt wheel to rotate relatively through the output shaft; the main shaft is connected with the connecting rod through a connecting hole, the connecting rod and the main shaft form movable clamping connection through the connecting hole, the connecting rod is convenient to disassemble and assemble, the main shaft drives