Ejection device and cleaning machine

The utility model discloses an ejection device and a cleaning machine with the ejection device, the ejection device is arranged on a cleaning machine base station and comprises an ejection piece capable of ascending and descending to control drainage of a robot of the cleaning machine, and a conversion piece arranged at the bottom of the ejection piece; wherein one of the conversion piece and the ejection piece comprises an outer sleeve body, the other one of the conversion piece and the ejection piece comprises an inner shaft body, the inner shaft body can be located on the inner side of the outer sleeve body, and a spiral transmission structure is arranged between the outer sleeve body and the inner shaft body. The spiral transmission structure is used for driving the ejection piece to ascend and descend. According to the ejection device and the cleaning machine, the structure is compact, the occupied space can be reduced, and a robot can drain water and climb back conveniently. 本实用新型公开了一种顶出装置，并公开了具有顶出装置的清洁