Sieving machine

The utility model discloses a drive arrangement that sieving machine, this sieving machine include the frame, establish the vibration board on the frame and be used for drive vibration board to do the up -and -down motion installs curved spacing through a plurality of dead lever directly over the vibration board. The outer fringe of vibration board is fixed with a three and spacing clearance fit's vertical installation pole at least, be equipped with the sieve utensil on the vibration board, the sieve utensil is including the collection basin that is located the bottom, it follows a plurality of filter sieve that last sieve mesh number extremely down increases gradually to be located the screen cloth lid at top and to be located to collect between basin and the screen cloth lid, between the adjacent filter sieve, collect the basin and rather than all continuous through at least two connecting portion between the adjacent filter sieve, connecting portion are including establishing the connection latch hook on