Board grinding machine convenient to clean and used for circuit board processing

The utility model discloses a convenient-to-clean board grinding machine for circuit board processing, which comprises a bottom plate, a first driving motor is fixedly mounted in a first mounting frame, a first clamping plate is fixedly mounted on an output shaft of the first driving motor, and a second clamping plate is rotatably mounted at the bottom of a second mounting frame; a first mounting frame, a first driving motor, a first clamping plate, a first electric push rod, a second mounting frame and a second clamping plate are matched, the second mounting frame is pushed through the first electric push rod, so that the second clamping plate is matched with the first clamping plate to clamp a circuit board, and the first clamping plate and the second clamping plate are matched through the first driving motor to clamp the circuit board. According to the circuit board polishing device, the circuit board can be driven to rotate, so that the circuit board can be conveniently adjusted, the polishing mechanism c