Fully automatic dishwasher and automatic cleaning method

A sequential dishwasher, comprising a casing (1) to the bottom of which a drainage pipe (11) is connected, characterized in that further comprising:

• a dish cleaning mechanism (2), arranged in the casing (1) and used for clamping and cleaning a single dish;
• a rotary drive mechanism (3), arranged below the dish cleaning mechanism (2) and used for driving the dish to rotate in forward and reverse directions alternately;
• a liquid supply mechanism (4), arranged in the casing (1) and used for providing a detergent or tap water for cleaning of two sides of the dish in a spraying manner;
• and
• a control system (6), configured to control and connect the dish cleaning mechanism (2), the rotary drive mechanism (3), and the liquid supply mechanism (4) for a clamping drive, a rotary drive, and a liquid supply cleaning drive during dish cleaning,
• wherein the dish cleaning mechanism (2) comprises a fixed frame (21), a cleaning arm (22), a first cleaning sponge (23), and a second cleaning sponge (24), wherein the first cleaning sponge (23) and the second cleaning sponge (24) are respectively correspondingly arranged on the fixed frame (21) and the cleaning arm (22), the first cleaning sponge (23) is fixed on the fixed frame (21) in a vertical state, the second cleaning sponge (24) is fixed on the cleaning arm (22) in an L-shaped state, and a linear drive mechanism for driving the second cleaning sponge (24) to move in parallel is arranged below the cleaning arm (22).