Circulating device of printing ink shower nozzle

The utility model provides a circulating device of printing ink shower nozzle, includes printing ink storage tank, printing ink shower nozzle and first pipeline, the printing ink storage tank links to each other through the import of first pipeline and printing ink shower nozzle, and this circulating device of printing ink shower nozzle still is provided with circulating pump, second pipeline and third pipeline, the export that second pipeline and printing ink shower nozzle are passed through in the import of circulating pump links to each other, the export of circulating pump is passed through the third pipeline and is linked to each other with the printing ink storage tank, this circulating device can prevent not only that printing ink from precipitating, stops up the nozzle piece, still is favorable to printing ink to recycle, and it is more clear to spout the seal effect. 种油墨喷头的循环装置，包括油墨储罐、油墨喷头和第管道，所述油墨储罐通过第管道与油墨喷头的进口相连，该油墨喷头的循环装置还设置有循环泵、第二管道和第三管道，所述循环泵的进口通过第二管道与油墨喷头的出口相连，所述循环泵的出口通过第三管道与油墨储罐相连；该循环装置不但可以防止