KNEADING DEVICE
To provide a kneading device that can suppress variation in kinetic viscosity of core paste in a short kneading time.SOLUTION: The kneading device comprises a stirring bar 3 which rotates with a rotary shaft as a center in a kneading space 2a formed in a kneading pot 2 and has a stirring pin 3a exte...
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Zusammenfassung: | To provide a kneading device that can suppress variation in kinetic viscosity of core paste in a short kneading time.SOLUTION: The kneading device comprises a stirring bar 3 which rotates with a rotary shaft as a center in a kneading space 2a formed in a kneading pot 2 and has a stirring pin 3a extended in parallel to the rotary shaft and an injection piston 6 that charges core paste 7 kneaded in the kneading space 2a into an injection-molding die adjacent to the kneading pot 2. The kneading device moves at least part of the core paste 7 remaining in the injection-molding die side of the kneading space 2a to an input port 2b side into which a subsequent core material 8 is put, by rotating the stirring bar 3 before kneading the subsequent core material 8.SELECTED DRAWING: Figure 4
【課題】短い混練時間で中子ペーストの動粘度のばらつきを抑制することができる混練装置を提供する。【解決手段】混練釜2に設けられた混練空間2aにおいて回転軸中心に回転すると共に、前記回転軸平行に延設された攪拌ピン3aを有する攪拌子3と、混練空間2aにおいて混練された中子ペースト7を混練釜2に隣接する射出成形型に充填する射出ピストン6と、を備える混練装置であって、次なる中子材料8を混練するよりも前に、攪拌子3を回転させることによって、混練空間2aの前記射出成形型側に残留している中子ペースト7の少なくとも一部を次なる中子材料8を投入する投入口2b側に移動させる、混練装置。【選択図】図4 |
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