A kind of rice cutting machine cutter group structure-improved,System includes: a cutter group,The cutter group includes tool apron,Row is set plural bottom knife and is fixed with rivet on the lower tool apron,Above lower tool apron with a front,One Hou gear builds up a sliding slot,Cunning sets a upper cutter head in the sliding slot,The upper cutter head simultaneously fixes a pulling seat,And row is set plural cutter and is fixed with rivet under the upper cutter head,The front is connected to lower tool apron by a bridge plate,The first blade of one of the main upper cutter head half is equipped with a perforation,And the upper cutter head is correspondingly provided with a protrusion of same shape,Promote first blade can when being fixed to the upper cutter head in conjunction with stability,And the bridge plate is equipped with the number reinforced ribs of different what doubling direction,It must make the bridge plate intensity better.一種割稻機刀具組改良結構，係包含有：一刀具組，該刀具組包括有一下刀座，該下刀座上排設複數下刀片並以鉚釘固定，下刀座上方以一前擋、一後擋建構出一滑槽，該滑槽內滑設一上刀座，該上刀座並固定一拉座，而該上刀座下排設複數上刀片並以鉚釘固定，該前擋藉由一橋板連接固定至下刀座，主要該上刀座半片之一第一刀片設有一穿孔，而該上刀座對應設有相同形狀的一凸出部，使該第一刀片固定至該上刀座時可增進結合穩定度，而該橋板設有異於折痕方向的數補強肋，得使該橋板強度更佳者。
