RAW MATERIAL STORAGE PART, MIXED RAW MATERIAL FORMING UNIT AND RAW MATERIAL SUPPLY DEVICE HAVING THE RAW MATERIAL STORAGE PART AND RAW MATERIAL SUPPLY METHOD

PROBLEM TO BE SOLVED: To provide a raw material storage part of a raw material supply device capable of supplying a main raw material and a minute amount of an auxiliary material at uniform blending ratio to a molding machine after a post process even when properties such as specific gravity, shape or surface physical property are different, a mixed raw material forming unit and a raw material supply device having the raw material storage part and a raw material supply method.SOLUTION: There is provided a raw material storage part 50 of a raw material supply device 10 for storing a main raw material A1 input to a main raw material supply machine 18 with measuring and an auxiliary material A2 input to an auxiliary material supply machine 36 with measuring of minute amount and supplying a mixed raw material input port 62b of a molding machine 60 and the raw material storage part 50 is formed as a straight cylindrical body from a top edge inlet to a bottom edge outlet.SELECTED DRAWING: Figure 1 【課題】比重や形状あるいは表面物性といった性状が異なる場合でも、主原料と微量の副原料とを均一な配合比で後工程の成形機に供給することが可能な原料供給装置の原料貯留部、該原料貯留部を備えた混合原料形成ユニットおよび原料供給装置ならびに原料供給方法を提供する。【解決手段】主原料供給機１８にて計量されつつ投入された主原料Ａ１と、副原料供給機３６にて微量計量されつつ投入された副原料Ａ２とを貯留して成形機６０の混合原料投入口６２ｂに供給する原料供給装置１０の原料貯留部５０であって、原料貯留部５０は、上端入口から下端出口に至るまでストレートな筒状体として形成されている。【選択図】図１