| 摘要 |
<p>Device for forming sets of products, with a view to the packaging thereof, said sets of products being conveyed by means of a conveyor and arranged in contiguous rows. The device comprises a transfer belt or chain (1) tensioned between two drive wheels (11, 12) having vertical axes (111, 121) and provided with drive means (13) regularly spaced and each holding a carriage (2) comprising a mobile holding and separating means (22) forming a set (31) of products (3). One of the runs (10) of said chain (1) comprises two set-back points (14, 15). The first set-back points (14) situated at a short distance after the wheel (12) delivering the carriages (2) makes possible their separation from the chain (1), and a roller (242) integral with the carriage (2) engages the groove (51) of a variable pitch screw (5) whose axis is parallel to a straight line between the two set-back points (14, 15) and whose length is approximately equal to the distance separating the two set-back points (14, 15).</p> |
