Patent ID: 8826925

Claim:
An automatic cleaning apparatus for cleaning a plurality of workpieces, the automatic cleaning apparatus comprising: a workpiece holder for receiving the workpieces; a cleaning member defining a cleaning cavity for receiving the workpiece holder and cleaning the workpieces, and comprising a driving mechanism received in the cleaning cavity, wherein the driving mechanism comprises a driving member, a rotary shaft, at least one push rod, a first gear, a second gear, and a third gear, and two ends of the rotary shaft are respectively connected to the driving member and the first gear; a drying member defining a drying cavity for receiving the workpiece holder and drying the workpieces, wherein, the push rods of the driving mechanism are arranged to be capable of pushing the workpiece holder from the cleaning member into the drying cavity of the drying member; and a connecting member comprising: a main housing comprising: two opposite surfaces; a first chamber; and two second chambers each communicating with the first chamber, each of the second chambers extending through to one of the two opposite surfaces and to a wall of the main housing corresponding to the other one of the two opposite surfaces, wherein the cleaning member and the drying member are positioned to communicate with each other though the first chamber; and two blocks each movable between the first chamber and a respective one of the second chambers, each block defining an engaging surface, the engaging surfaces facing each other, wherein when the blocks move into the first chamber and the engaging surfaces engage with each other, the blocks prevent the cleaning member and the drying member from communicating with each other; the cleaning member and the drying member communicate with each other and the workpiece holder can move between the cleaning member and the drying member when the blocks move from the first chamber into the second chambers, respectively.