真空螺旋干燥机用翻转刮刀

Abstract

本实用新型公开了真空螺旋干燥机用翻转刮刀，所述旋转轴有两组，所述旋转轴通过密封方式安装在机箱的箱体内，所述旋转轴的一端设置有翻转刮刀组件，所述翻转刮刀组件包括刮刀套，所述刮刀套通过螺栓固定套装在旋转轴的端部；所述刮刀套的外周壁沿周向均匀分布有数组连接臂，所述连接臂的自由端设有刮刀片，所述刮刀片与连接臂的连接区域对称设置有加强筋，所述刮刀片的端面设置有刮刀纹路；所述机箱的箱体底部形状设计为两个相邻的双圆柱底面；该装置增强了刮送效率，减少残留，使物料在两轴间交替传输、翻转，干燥更充分均匀。

Claims

1. Turnover doctor for vacuum screw dryers, comprising a rotating shaft (1) and a casing (2), characterized in that: There are two sets of rotating shafts (1). The rotating shafts (1) are installed in the housing of the chassis (2) by a sealing method. One end of the rotating shaft (1) is provided with a flip scraper assembly (4). The flip scraper assembly (4) includes a scraper sleeve (41). The scraper sleeve (41) is fixedly fitted to the end of the rotating shaft (1) by bolts. The outer peripheral wall of the scraper sleeve (41) is evenly distributed with a number of connecting arms (42) along the circumferential direction. The free end of the connecting arm (42) is provided with a scraper blade (43). The connection area between the scraper blade (43) and the connecting arm (42) is symmetrically provided with reinforcing ribs (44). The end face of the scraper blade (43) is provided with scraper texture (431).

2. The turnover doctor for a vacuum screw dryer according to claim 1, characterized in that: The bottom of the chassis (2) is designed as two adjacent double cylindrical bottom surfaces. There are two sets of rotating shafts (1), and the axis of the rotating shafts (1) is coaxial with the axis of the corresponding cylindrical bottom surface of the chassis (2).

3. The turnover doctor for a vacuum screw dryer according to claim 2, characterized in that: The rotating shaft (1) has hollow threaded blades (3) on its shaft body, and the hollow threaded blades (3) are in the shape of a continuous spiral band.

4. The turnover doctor for a vacuum screw dryer according to claim 3, characterized in that: The outline of the scraper blade (43) is closely fitted with the cylindrical bottom inner wall and side wall of the chassis (2). The scraper blade (43) is designed to be inclined, and the working surface of the scraper blade (43) forms a certain angle with the axis of the rotating shaft (1).

5. The turnover doctor for a vacuum screw dryer according to claim 4, characterized in that: The two sets of rotating shafts (1) are installed in opposite directions.

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