本专利为双臂连续式自硬砂混砂抛砂机。在大臂上装有原砂的倾斜式皮带输送机,而小臂上装有混合器组。后者由两个装在上边的卧式混合器42(见下图)和一个装在下边的卧式混合器46组成。上边的两个混合器分别混制中间砂——“原砂+粘结剂”和“原砂+催化剂”,而下边的一个则混制“成品砂”。每个混合器42的圆筒中配置有工作轴121。在此轴靠加料口 This patent is a double arm continuous self-hardening sand sand mill. Inclined belt conveyors equipped with virgin sand on the boom and a mixer set on the arm. The latter consists of two horizontal mixers 42 mounted on the top (see below) and a horizontal mix 46 mounted on the bottom. The top two mixers mix the middle sand - “raw sand + binder” and “virgin sand + catalyst” respectively, while the bottom one mixes “finished sand”. A working shaft 121 is disposed in the cylinder of each mixer 42. In this shaft by feeding port