Patent ID: 9358584
Filing Date: 2016-06-07
CPC Classification: B07B

Claim Text:
1. A sifting device for workpieces, the sifting device comprising: a box configured to receive the workpieces and comprising a top plate; an electric cabinet; a sifting assembly received in the box, the sifting assembly comprising a baffle and a guiding board, the guiding board defining a plurality of gaps, and a slit formed between the baffle and the guiding board, and communicating with the plurality of gaps; an air blower directed by the electric cabinet and communicating with the gap to adjust a direction of the workpieces to allow the workpieces to pass through the gap and the slit; and an collector communicating with the slit to output the workpieces; wherein the workpiece comprises a head and a rod, the rod is perpendicularly in the gap and the head faces the baffle, thus to be in the direction of passing through the gap and the slit; wherein the guiding board comprises a vertical plane, a first inclined plane, and a second inclined plane, the first inclined plane, the baffle, and the top plate cooperatively define an accommodation space for receiving the workpieces, the vertical plane, the second inclined plane, and the baffle cooperatively define the slit; and wherein the vertical plane forms a plurality of blocks adjacent to a junction of the accommodation space and the slit, and the plurality of gaps are defined between two adjacent blocks.