Cleaning device

A cleaning device that cleans a screen mask, comprising:

• a cleaning sheet configured to clean the screen mask;
• a roll-shaped supply section configured to supply the cleaning sheet;
• a cleaning head configured to press the cleaning sheet supplied from the supply section against a rear surface of the screen mask;
• a roll-shaped winding section configured to wind a used cleaning sheet;
• a driving section configured to drive the winding section;
• a main body that rotatably supports the supply section and the winding section, the main body including a bottom interior plate;
• a moving mechanism configured to move the supply section, the cleaning head, and the winding section in the same direction as and in an opposite direction to a supply direction of the cleaning sheet;
• a lifting and lowering mechanism fixed to the bottom interior plate and configured to lift and lower the cleaning head relative to the bottom interior plate, the lifting and lowering mechanism including a first air cylinder;
• and
• a brake mechanism configured to allow rotation of the supply section when the cleaning head is lowered by the lifting and lowering mechanism, and to restrict rotation of the supply section when the cleaning head is lifted by the lifting and lowering mechanism, the brake mechanism including a second air cylinder fixed to the bottom interior plate and configured to move the brake mechanism relative to the bottom interior plate.