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摘要桑叶切碎机在我国蚕桑生产中应用较少。在蚕桑生产中需要给不同龄期的小蚕提供切碎的桑叶，但目前主要还是采用手工切割，手工切割效率低下，切割效果不佳。随着社会生产力的进步，机械技术的发展，迫切需要设计新型的桑叶切碎机，实现用机械切割取代手工操作，以提高劳动生产率。用机械切割取代手工操作,是提高劳动生产率的有效手段。49554
本次毕业设计任务是设计一种新型的桑叶切碎机。该机通过传送装置、滚刀和铡刀的相互配合把桑叶切成12×12mm、25×25mm等规格，以供不同龄期的小蚕食用。该机主要结构包括3个部分：传动系统、滚刀和铡刀机构。整机由Y132S-8电动机驱动，通过二级齿轮减速和带轮减速、分别带动滚刀、传送带及铡刀。桑叶大小通过改变滚刀的刀片间距和传送带的速度来控制（滚刀刀片间距通过改变垫圈厚度来调节；传送带有4种速度，通过更换带轮达到调速的目的）。
结果表明，本次设计达到了设计任务的要求，桑叶切碎机极大程度地提高了桑叶切碎的生产效率。
毕业论文关键词：桑叶切碎机；滚刀；铡刀；传送装置
Abstract The mulberry leaf chopper applies few in sericulture production in our country. At present, Sericulture areas in China provide the silkworm at different age period with the chopped leaves cut mainly by handwork, slightly to nibble with when cuts to pieces the mulberry leaf, mainly uses the manual cutting, the manual cutting efficiency is at a low level, and the cutting effect is not good. Along with society's progress and the development of mechanical technology, it is an efficient method to increase labor productivity by designing new type of chopper and adopting the machinery instead of manual cutting.
The task of this design is to present a new type of mulberry leaf chopper, this machine cut mulberry leaves to the following specifications：12×12mm, 25×25mm, through the cooperation among the transmission device, the hob and the straw cutter to supply the silkworm of different size. The mulberry leaf chopper mainly include the following 3 parts： deceleration agencies, hob and straw cutter. The mechanism is drove by the Y132S-8 AC motor and drives the hob, the transmission device and the straw cutter separately through the second-level gear reduction and the band pulley. The size of the mulberry leaves is controlled through changing the pitch of the hob and the speed of conveyor belt (the pitch of the hob is regulated by the use of gasket；the transmission device has 4 kinds of speeds which is acquired by replacing the band pulley).
The results show that this design can meet the requirements of the task successfully, the enormous degree the efficiency which enhances the mulberry leaf to cut to pieces. The mulberry leaf chopper increases the efficiency of cutting mulberry leaves greatly.
Key words: Mulberry Leaf Chopper；Hob；Straw Cutter；The Transmission Device
目 录
摘要.. Ⅰ
Abstract....Ⅱ
第一章 绪论 1
1.1 课题研究背景 1
1.2 桑叶切碎机的设计意义 2
1.3切碎机的分类 错误！未定义书签。
1.4 桑叶切碎机的发展现状 3
第二章 工作原理及总体方案设计 5
2.1 工作原理 5
2.2 切碎机切碎装置的优化选择 5
2.3 总体方案设计的件的功用与经济学y 6
2.3.1 桑叶切割顺序的确定
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