Grinding and polishing device for inner coating of oil pipe

The utility model discloses a grinding and polishing device for an inner coating of an oil pipe. The grinding and polishing device for the inner coating of the oil pipe is designed for automatically grinding and polishing the inner wall coating of the oil pipe. A transverse plate is fixed above a support of the grinding and polishing device, a baffle is arranged at the end of the transverse plate and is connected with a running cart arranged on the transverse plate through an air cylinder, the other side of the running cart is connected with a clamp through a connecting rod, and the clamp is connected with an elastic polishing grinding ball or sealing cup through a bolt. The grinding and polishing device can grind and polish the organic coating of the inner wall of the oil pipe, thoroughly cleans non-melted micro particles attached to the coating, enables the surface of the coating to be smooth and flat, and is high in automation degree and convenient to operate.