High-precision automobile part hand plate

The utility model discloses a high-precision automobile part hand plate which comprises a base and a polishing assembly arranged on the first side of the base, a clamping assembly for clamping the hand plate is arranged on the base, the polishing assembly comprises a handheld block movably connected to the base, a motor is arranged on the handheld block, and a rotating piece is arranged at the output end of the motor; a supporting block is arranged on the handheld block in a sliding mode, and the first end of the supporting block is fixedly connected with a guiding piece making contact with the rotating piece. According to the high-precision automobile part hand plate, the clamping assembly is used for fixing the plate to the base, when a worker polishes the plate, abrasive paper is fixed to the supporting block through the quick clamping assembly, the motor is used for driving the rotating piece to drive the supporting block to move front and back, and therefore the abrasive paper polishes the plate; after o