Nut opening device

The invention discloses a nut opening device. The nut opening device comprises a top plate and a bottom plate; a first blind hole is formed in the bottom wall of the top plate; a second blind hole isformed in the top wall of the bottom plate; when the bottom wall of the top plate touches the top wall of the bottom plate, the first blind hole and the second blind hole form a holding cavity; the inner wall of the first blind hole and the inner wall of the second blind hole are each a curved surface; when a plurality of polygonal grooves are formed in the inner wall of the first blind hole and/or the inner wall of the second blind hole, every two adjacent grooves share one side wall; and an open end of the side wall shared by every two adjacent grooves is provided with a blade. By using thedevice, more cracks can be formed on the surface of a nutshell. 本发明公开了一种坚果开口装置，包括顶板和底板，所述顶板的底壁开有第一盲孔，所述底板的顶壁上开有第二盲孔，顶板的底壁与底板的顶壁接触时，第一盲孔和第二盲孔构成容纳腔，所述第一盲孔和第二盲孔的内壁均为曲面，在第一盲孔内壁与/或第二盲孔的内壁开有多个多边形凹槽，相邻两个凹槽共用一个侧壁，相邻两个凹槽共用的侧壁其开放端具有刃部；使