Reciprocating meshing type powder discharging mechanism

The utility model belongs to the field of 3D printing equipment, and particularly relates to a reciprocating meshing type powder discharging mechanism which comprises a swinging powder discharging plate and a fixed powder discharging plate, the swinging powder discharging plate and the fixed powder discharging plate are symmetrically arranged, a plurality of first protruding teeth are arranged at the lower end of the swinging powder discharging plate, and a plurality of second protruding teeth are arranged at the lower end of the fixed powder discharging plate. The fixed powder discharging plate and the swing powder discharging plate are connected through a spring, and the swing powder discharging plate is driven by a power mechanism. According to the powder feeding device, powder feeding is more stable, the powder feeding amount every time is almost consistent, the error is within 5%, caked powder can be rubbed away, and powder feeding is more uniform. 本实用新型属于3D打印设备领域，特别是一种往复咬齿式下粉机构，包括摆动下粉板和固定下粉板，摆动下粉板和固定下粉板