The invention discloses automatic assembling equipment for spinneret assembly. The automatic assembling equipment comprises a conveying line which is provided with a spinneret nut feeding system and an automatic discharging system, wherein a spinneret filling station, a filter cloth mounting station, a sealing ring filling station and a detection station are sequentially arranged at the positions,between the spinneret nut feeding system and the automatic discharging system, on the conveying line; and the spinneret filling station is provided with a spinneret feeding system, the filter cloth mounting station is provided with a filter cloth feeding system, the sealing ring filling station is provided with a sealing ring feeding system, and the detection station is provided with an automaticdetection system. According to the automatic assembling equipment, the installation steps of all parts in the existing spinneret assembling process are decomposed and can be completed on all the stations of the conveying line, the conveying line is used for sequentially conveying all the parts to the designated stations to complete automatic assembly of the spinneret, automatic electric control is realized in the whole process, and therefore the labor intensity of workers can be reduced, and the qualification rate of assembly can be improved; and the conveying line is provided with the automatic detection system, so that the spinning quality is ensured.