Spray needle for jet printing

The utility model belongs to the technical field of spray needles, and discloses a spray needle used for spray printing, the spray needle comprises a hollow spray head, a plurality of guide pipes distributed on the spray head at equal intervals and needle heads connected with the guide pipes, the inner wall of each guide pipe is provided with two symmetrical sliding grooves, and sliding blocks are slidably arranged in the sliding grooves; an annular piece is jointly installed on the two sliding blocks, a blocking piece is arranged on the inner wall of the annular piece, a cross-shaped groove is formed in the blocking piece in a penetrating mode, and a driving assembly used for driving the annular piece is arranged on the spray head. The spray needle cleaning device has the effect of reducing the spray needle cleaning difficulty of workers. 本申请属于喷针技术领域，公开了用于喷印的喷针，包括内部中空的喷头、多个等间距分布在喷头上的导管以及与导管相互连接的针头，所述导管的内壁上开设有两个相互对称的滑槽，所述滑槽内滑动设置有滑块，两个所述滑块上共同安装有环形片，所述环形片的内壁上设置有阻隔片，所述阻隔片上贯穿开设有十字形槽，所述喷头上设置有用于驱动环形片的驱动组件。本申请具有降低工作