| 摘要 |
<p>A powder material spraying device, wherein a fixed quantity spraying device (3) is fitted to a material delivery port (2a) of a powder material storage hopper (2) through a material dispensing valve (34), a cover body (2c) is fitted to a material charge port (2b) of the powder material storage hopper (2); the fixed quantity spraying device (3) comprising a tubular body (31) connected to the material delivery port (2a) of the powder material storage hopper (2), an elastic film (32) installed so as to form a bottom surface of the tubular body (31) and having a through-hole (32a), and a dispersion chamber (33) connected to the bottom part of the tubular body (31) through the elastic film (32), the dispersion chamber (33) comprising a pulsating aerial vibration wave feeding port (33e1) feeding positive pressure pulsating aerial vibration wave into the dispersion chamber (33) and an exhaust port (33e2), a bypass tube (35) being connected between the tubular body (31) and the dispersion chamber (33) to spray powder material from a tip (e2) of a conduit (T2) connected to the exhaust port (33e2) of the dispersion chamber (33).</p> |
