Sorting device

摘要

A sorting device which is suitable for sorting parts by means of air blasts and which includes at least one sorting unit which includes a valve support fitted with sorting valves. Each sorting valve is capable of optionally connecting a sorting passage ending in a sorting nozzle to a feed passage and of disconnecting it therefrom. In addition, several or all of the sorting passages of the sorting unit are—independently of the sorting valves—connected to a common purge air passage, so that purge air can flow through them without any involvement of the sorting valves, with the result that no impurities enter the sorting passages.

主权项

1. A sorting device for sorting out parts by means of air blasts, the sorting device comprising at least one sorting unit, the at least one sorting unit comprising:
a valve support having a common feed passage and a plurality of individual sorting passages; a plurality of electrically actuated sorting valves which have a 2/2-way functionality supported on the valve support, each of the plurality of electrically actuated sorting valves being supplied with compressed air from the common feed passage and each of the plurality of electrically actuated sorting valves being connected to one of the plurality of individual sorting passages; a plurality of sorting nozzles supported on the valve support, wherein each of the plurality of sorting valves can optionally be switched into an open position connecting an associated sorting passage to the common feed passage, thereby causing an air blast to emerge from the associated sorting nozzle, or into a closed position, wherein purge air discharged from the sorting nozzle at a lower flow rate than that of the air blast which can be generated in the open position can be fed into each sorting passage; and a common purge air passage for feeding the purge air to each of the plurality of sorting nozzles for cleaning purposes, wherein the common purge air passage is structurally separated from the common feed passage and is in fluid communication with all of the sorting passages in an area between the plurality of electrically actuated sorting valves and the plurality of sorting nozzles such that purge air is supplied independently of the sorting valves.