A cleaning apparatus, comprising: a cleaning chamber (11, 511) having a side surface; a cleaning station (15, 515) including a cleaning nozzle configured to inject cleaning liquid; a drying station (23, 523) including a blow nozzle configured to inject dry air; a separation wall partitioning the cleaning chamber into the cleaning station and the drying station; a single axis robot including a column arranged adjacent to the side surface, the column arranged along an extension of the separation wall, a linear guide arranged in the column, the linear guide extending vertically, and a vertical moving saddle configured to move vertically along the linear guide; an arm portion (45, 545) including a first rotation saddle supported by the vertical moving saddle, the first rotation saddle configured to rotate about a second axis extending vertically, a first arm supported by the first rotation saddle, the first arm swingable about a third axis extending horizontally, the first arm extending orthogonal to the third axis, a second arm supported by the first arm, the second arm configured to rotate about a fourth axis orthogonal to the third axis, a second rotation saddle supported by the second arm, the second rotation saddle configured to rotate about a fifth axis orthogonal to the fourth axis, and a third rotation saddle supported by the second rotation saddle, the third rotation saddle configured to rotate about a sixth axis orthogonal to the fifth axis; and a hand supported by the third rotation saddle to grip a workpiece; wherein the side surface has a loading port, and the hand is extendable toward outside of the loading port through the loading port. a cleaning chamber (11, 511) having a side surface; a cleaning station (15, 515) including a cleaning nozzle configured to inject cleaning liquid; a drying station (23, 523) including a blow nozzle configured to inject dry air; a separation wall partitioning the cleaning chamber into the cleaning station and the drying station; a single axis robot including a column arranged adjacent to the side surface, the column arranged along an extension of the separation wall, a linear guide arranged in the column, the linear guide extending vertically, and a vertical moving saddle configured to move vertically along the linear guide; a column arranged adjacent to the side surface, the column arranged along an extension of the separation wall, a linear guide arranged in the column, the linear guide extending vertically, and a vertical moving saddle configured to move vertically along the linear guide; an arm portion (45, 545) including a first rotation saddle supported by the vertical moving saddle, the first rotation saddle configured to rotate about a second axis extending vertically, a first arm supported by the first rotation saddle, the first arm swingable about a third axis extending horizontally, the first arm extending orthogonal to the third axis, a second arm supported by the first arm, the second arm configured to rotate about a fourth axis orthogonal to the third axis, a second rotation saddle supported by the second arm, the second rotation saddle configured to rotate about a fifth axis orthogonal to the fourth axis, and a third rotation saddle supported by the second rotation saddle, the third rotation saddle configured to rotate about a sixth axis orthogonal to the fifth axis; and a first rotation saddle supported by the vertical moving saddle, the first rotation saddle configured to rotate about a second axis extending vertically, a first arm supported by the first rotation saddle, the first arm swingable about a third axis extending horizontally, the first arm extending orthogonal to the third axis, a second arm supported by the first arm, the second arm configured to rotate about a fourth axis orthogonal to the third axis, a second rotation saddle supported by the second arm, the second rotation saddle configured to rotate about a fifth axis orthogonal to the fourth axis, and a third rotation saddle supported by the second rotation saddle, the third rotation saddle configured to rotate about a sixth axis orthogonal to the fifth axis; and a hand supported by the third rotation saddle to grip a workpiece; wherein the side surface has a loading port, and the hand is extendable toward outside of the loading port through the loading port.