一种气溶胶打印装置及打印方法

本发明公开一种气溶胶打印装置及打印方法，其中，打印装置包括上表面设置有安装槽的筒体，以及设置在所述安装槽上的超声换能器，所述超声换能器包括底部设置有若干个开孔的超声换能片，所述安装槽的底部设置有通孔，所述筒体的内部设置有下宽上窄的半球形曲面，所述半球形曲面的底端与所述筒体内部密封连接，且所述半球形曲面的顶端与所述通孔连通，所述安装槽与所述半球形曲面之间形成空腔，所述筒体的侧面设置有与所述空腔连通的进气口，所述半球形曲面靠近所述通孔的位置设置有若干个出气孔。本发明能够有效避免气溶胶在通道内的沉积与喷头的堵塞，并且提高气溶胶在基底的沉积效率，最终使装置对所用墨水的利用率达到75％以上。

;

本发明公开一种气溶胶打印装置及打印方法，其中，打印装置包括上表面设置有安装槽的筒体，以及设置在所述安装槽上的超声换能器，所述超声换能器包括底部设置有若干个开孔的超声换能片，所述安装槽的底部设置有通孔，所述筒体的内部设置有下宽上窄的半球形曲面，所述半球形曲面的底端与所述筒体内部密封连接，且所述半球形曲面的顶端与所述通孔连通，所述安装槽与所述半球形曲面之间形成空腔，所述筒体的侧面设置有与所述空腔连通的进气口，所述半球形曲面靠近所述通孔的位置设置有若干个出气孔。本发明能够有效避免气溶胶在通道内的沉积与喷头的堵塞，并且提高气溶胶在基底的沉积效率，最终使装置对所用墨水的利用率达到75％以上。

The invention discloses an aerosol printing device and a printing method. The printing device comprises a barrel with a mounting groove in the upper surface and an ultrasonic transducer arranged on the mounting groove, wherein, the ultrasonic transducer comprises an ultrasonic transduction piece with a plurality of open holes in the bottom, a through hole is formed in the bottom of the mounting groove, a hemispherical curved surface with a wide lower part and a narrow upper part is arranged in the cylinder body, the bottom end of the hemispherical curved surface is hermetically connected with the interior of the cylinder body, the top end of the hemispherical curved surface communicates with the through hole, a cavity is formed between the mounting groove and the hemispherical curved surface, an air inlet communicating with the cavity is formed in the side surface of the cylinder body, and a plurality of air outlet holes are formed in the positions, close to the through holes, of the hemispherical curved surface. According to the device and the method, aerosol can be effectively prevented from depositing in the channel and blocking a spray head, the deposition efficiency of the aerosol on the substrate is improved, and finally the utilization rate of the device on used ink reaches 75% or above.