| 摘要 |
<p>Unit for rapidly distributing products on a plurality of levels for feeding packaging machines, being provided with a conveyor belt (7) the inlet whereof being articulated about a transverse horizontal axis to a fixed frame (2) and the outlet thereof being oscillatable, said unit comprising a first motor (27), a second motor (28) and a third motor (29) having respective brake-and-clutch assemblies (31,32,33) for actuating respective first, second and third connecting rod-and-crank assemblies (34,35,36,37,38,39) adapted for stopping with the cranks (34,35,36) in two diametrically opposite positions in the direction of a rail (23) being longitudinally rigidly associated with the fixed frame (2) and along which a first slider (25) and a second slider (26) are slidingly mounted; said first motor (27) and said second motor (28) are fixed to the first and second sliders (25,26), whereas said third motor (29) is rigidly associated with the fixed frame (2); said third connecting rod (39) being articulated to said second slider (26), said second connecting rod (38) being articulated to said first slider (25) and the first connecting rod (37) being associated with the outlet of the conveyor belt (7); the simultaneous actuation of the motors (27,28,29) producing the oscillation of the conveyor belt (7) at one of four different levels (a,b,c,d) for unloading the products (P) onto four packaging lines. <IMAGE></p> |
