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粮食是我国大部分地区的主食，然而一些食堂、大型饭店、快餐中心粮食的用量比较大，人工淘洗不仅浪费人力财力且无法满足需求，因此为了减轻劳动力，提高工作效率，需要设计一类淘洗设备来代替人类。
粮食淘洗机是一种粮食加工机械，用于清洗米粒的装置。为了适应食堂、大型饭店、快餐中心等的需要，因此设计了一种螺旋输送式连续粮食淘洗机，该机包括电动机、齿轮减速传动、机壳、进料口、出料口、螺旋推进器等结构。通过水的冲刷及沙石自身沉降达到清洗大米的目的。现在淘洗机被广泛应用，目前缺少连续性淘洗设备，所以我们就针对连续淘洗机展开构思。
本设计拟订了粮食淘洗机的总体结构方案，进行了运动和动力参数的计算；完成了水平螺旋轴、倾斜螺旋轴及与其相对应的减速器传动、机架等结构设计。
关键词：淘洗机；结构设计；粮食；减速器；机架
Grain is the staple food in most areas of our country. However, some canteens, large restaurants and fast food centers consume a large amount of grain. Manual washing is not only a waste of manpower and financial resources, but also unable to meet the demand. Therefore, in order to lighten the labor force and improve the efficiency of work, There is a need to design a sort of elution device to replace human beings.
Grain washing machine is a grain processing machine, used to clean rice grain device. In order to meet the needs of canteen, large-scale restaurant, fast food center and so on, a spiral conveyer continuous grain washing machine is designed, which includes electric motor, gear deceleration drive, casing, feed port, outlet port, spiral thruster and so on. Washing rice can be achieved by washing water and sedimentation of sand and stone. Now the washing machine is widely used, the current lack of continuous washing equipment, so we on the concept of continuous washing machine.
The overall structure scheme of grain washing machine is drawn up, the motion and dynamic parameters are calculated, and the structure design of horizontal spiral shaft, inclined spiral shaft and corresponding reducer transmission, frame and so on is completed.
Key words: washing machine; structure design; grain; reducer; frame
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