Selective precise wave-soldering multi-nozzle device

The utility model discloses a selective precise wave-soldering multi-nozzle device which comprises a nozzle body, a connecting part is fixed below the nozzle body, a nozzle channel is arranged inside the connecting part, a partition plate is fixed inside the nozzle body, a plurality of sets of nozzles are arranged above the surface of the partition plate at equal intervals, and the nozzle channel is communicated with the nozzle body. A plurality of groups of nozzles are arranged in the nozzle channel, connecting pipelines are arranged at the bottom ends of the nozzles, the connecting pipelines are communicated with the nozzle channel, the nozzle further comprises an air blowing assembly, the air blowing assembly is used for improving the shape of a crest umbrella top formed by the nozzles through a spraying pipe, and the air blowing assembly is located in the nozzles. An original single-point circular welding nozzle is changed into a multi-point rectangular welding nozzle, tin spraying can be conducted on mul