Grinding machine for inner wall of stainless steel bottle

The utility model discloses a grinding machine for the inner wall of a stainless steel bottle. The device comprises a sliding plate, connecting blocks, a box and a gland, a first motor is fixed to oneend of the interior of the box body. A screw rod is rotationally mounted at one end of the first motor; one end, deviating from the first motor, of the screw rod is rotationally mounted on the innerwall of the box body; sliding grooves are formed in the two sides of the interior of the box body correspondingly. A second motor is fixed to one side of the upper end face of the box body through a fixing frame. A rotating shaft is rotationally mounted at one end of the second motor; and sliding rails are fixed to the two ends of the side, deviating from the second motor, of the upper end face ofthe box correspondingly, the two sides of the sliding plate are slidably mounted in the two sliding rails correspondingly, the connecting block is fixed to the lower end face of the sliding plate, aclamping base is fixed to th