一种秸秆切碎还田机的切碎刀

Shredding cutter of straw shredding and returning machine

Abstract

The utility model discloses a shredding cutter of a straw shredding and returning machine and relates to the field of agricultural machinery. The shredding cutter comprises a cutter shaft. Cutter bodies are evenly disposed on the outer periphery of the cutter shaft. Each cutter body is divided into a left part and a right part, the left part, the right part and a cutter handle form an inverted V shape, the body of each of the left part and the right part is crescent, the inner side of each crescent body is sequentially provided with a first edge and a second edge from the cutter handle end to a far end, and the tail end of the first edge is higher than the starting end of the second edge. The shredding cutter has the advantages that the shredding cutter is simple in structure, the shredding cutter includes fixed crescent blades, each left part, the corresponding right part and the corresponding cutter handle form the inverted V shape and are of an integral structure, assembling simpleness is achieved, each first edge and the corresponding second edge cut straw twice, good shredding performance is achieved when the shredding cutter is used for cutting hard straw and soft and tough straw, and thorough straw shredding is achieved.
本实用新型公开了一种秸秆切碎还田机的切碎刀,涉及农业机械领域,包括刀轴,所述刀轴的外圆周上均匀设置有刀体,所述刀体分为左右两个部分,左右两个部分与刀把呈人字形,左右两个部分的主体呈月牙形,月牙形内侧从刀把端向远端依次设有第一刃口、第二刃口,第一刃口的末端高出第二刃口的始端,本实用新型结构简单,切碎刀为固定式月牙形刀片,刀体的左右两个部分与刀把呈人字形,且左右两个部分与刀把为一体式结构,装配较为简单,第一刃口以及第二刃口对秸秆进行了两次切割,对于硬质秸秆与软质具有韧性的秸秆都具有较好的粉碎性能,使得秸秆粉碎的更彻底。

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