The invention discloses a pet cat
litter box with an automatic cleaning function. The pet cat
litter box comprise a body provided with a belt
pulley cavity inside; a conveying belt mechanism is arranged in the belt
pulley cavity; a runner mechanism capable of controlling the conveying belt mechanism to move up or down is arranged on the top of the body, and is connected with the conveying belt mechanism through a
rope; a roller cavity is formed in the right side of the belt
pulley cavity and a screening mechanism is arranged in the roller cavity; a storage cavity is formed in the bottom of theright side of the body; a smashing cavity is formed in the bottom of the roller cavity, a smashing mechanism is arranged in the smashing cavity, and a waste cavity is formed in the bottom of the smashing cavity; a
crank cavity is arranged between the waste cavity and the storage cavity, and a
crank mechanism for controlling a slider to slide leftwards or rightwards is arranged in the
crank cavity. According to the cat
litter box, the conveying belt mechanism can fish and convey waste, the screening mechanism can screen out the waste, the smashing mechanism can smash the waste, and the crank mechanism can control the slider to compress the waste.