手剥山核桃破壳机的设计与研究

Design and Research of Shell-breaking Machine for Hand-stripping Hickory-nut

手剥山核桃属于开袋即食休闲食品,食用时,像剥花生一样,使壳仁分离。为此,介绍了手剥山核桃破壳机的设计过程。对常用坚果类破壳方法进行了比较,从手工加工方法中得到启示,吸收传统加工工艺中的有用经验与撞击法相结合,设计出机械敲击方式破壳机构。同时,给出了机械敲击臂机构、喂料机构、力调节机构和原理样机的设计。滚筒的凹槽采用近似半球形,可实现与山核桃形状的拟合,有效减少打击力分力。通过实验验证,该机可针对不同规格的山核桃,破壳的适应性好。

This paper introduced the design process of shell-breaking machine for hand-stripping hickory-nut.Hand-stripping hickory-nut is an instant snack food.Like peanut,it＇s easy to separate kernel from shell.The paper compares methods of shell-breaking nuts which is in common use,gets inspiration from manual process and absorbs useful experience of traditional processing techniques combining with impact method.Then the mechanism of striking shelling in the way of mechanical knocking is designed.The design of robot percussion arm mechanism,feed mechanism,force regulating mechanism and principle prototype were proposed.The hemispherical grooves are approximately half spherical,which match the shape of hickory-nut.And then the component strike force can be reasonably reduced.The experiment results show that the machine have good effect in shell-breaking for the hickory-nut of different specification.