Mirror roller coating accurate grinding device

The utility model relates to the technical field of mirror roller machining, and discloses a mirror roller coating accurate grinding device which comprises an accurate grinding device body, one side of the accurate grinding device body is fixedly connected with a protective shell, the inner wall of the protective shell is fixedly connected with a first fixing block, one side of the first fixing block is fixedly connected with a motor, and the other side of the first fixing block is fixedly connected with a second fixing block. An output shaft of the motor is fixedly connected with an extension rod through a coupler, one side of the extension rod is fixedly connected with a first grinding rotating device, one side of the extension rod is fixedly connected with a second grinding rotating device, one side of the accurate grinding device body is fixedly connected with a flow limiting block, and one side of the flow limiting block is provided with a third hollow opening. According to the mirror surface roller coat