Grinding machine for sapphire

The utility model relates to a grinding machine for sapphire. The grinding machine comprises a machine body, a supporting column is arranged on the lower portion of the machine body, a support is arranged at the top end of the supporting column, a gear ring is arranged on the inner side of the support and is connected with a planetary wheel, the planetary wheel is connected with a gear, a shaft B is connected to the middle portion of the lower side of the gear, the lower end of the shaft B is connected with a motor B, a lower grinding plate is arranged on the lower side of the gear, an upper grinding plate is arranged on the upper side of the gear, an abrasive material is arranged between the upper grinding plate and the lower grinding plate, the upper grinding plate is connected with a motor A through a shaft A, the two sides of the shaft A are provided with a lead screw A and a lead screw B, a water storage tank is arranged on the right portion of the upper side of the machine body, and a water pipe is arranged on the lower portion of the water storage tank. The grinding machine has the advantages of being convenient to use, high in grinding efficiency and high in precision.