METAL POWDER DELIVERY DEVICE AND SELECTIVE LASER MELTING EQUIPMENT

A metal powder delivery device and selective laser melting equipment. The metal powder delivery device comprises a funnel (1), a delivery rod (2), and a feeding screw rod (4); a mounting cavity (5) is formed in the delivery rod (2); a fixing frame (8) is movably provided in the mounting cavity (5); a filter screen plate (11) is provided in the fixing frame (8); a first elastic block (12) is fixedly connected to the filter screen plate (11) and the inner wall of a mounting recess (10); an impact assembly used for impacting the filter screen plate (11) is provided in the fixing frame (8); a heating recess (16) is formed in the fixing frame (8); a heating wire (17) is fixedly provided in the heating recess (16); the heating groove (16) is communicated with an impact cavity (13) by means of a first air channel (18). During use, when the fixing frame (8) moves downward, the filter screen plate (11) vibrates by means of cooperation of a ball and a slot, the impact assembly impacts the filter screen plate (11), hot