04-07-2023 дата публикации
Номер: CN116371732A
Принадлежит:
The invention relates to the technical field of plastic modification, in particular to a modified plastic particle multi-stage screening device which comprises a box body with a feeding port formed in the top end, a plurality of screening parts are sequentially arranged in the box body from top to bottom, and each screening part comprises an obliquely-arranged upper screening plate and a lower screening plate arranged below the upper screening plate and slidably connected with the upper screening plate; a plurality of upper screen holes are evenly distributed in the upper screen plate, a plurality of lower screen holes are evenly distributed in the lower screen plate, a plurality of anti-blocking units corresponding to the lower screen holes are arranged on the lower screen plate, and each anti-blocking unit comprises a rectangular sinking table arranged in the length direction of the lower screen plate, a sliding plate arranged in the rectangular sinking table and an impact rod rotationally ...
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