关键词: 农业机械, 残膜回收, 锯齿, 扎膜机构, 脱模机构, 正交试验

Abstract:  Aiming at the problem of high impurity rate in the process of recovering residual film in the existing residual film recovery machine, a sawtooth rolling residual film recycling machine was designed that could complete the film binding, film collecting, and soil leveling operations at one time. This paper introduced the structure and working principle of the residual film recovery machineand determined the main operation parameters of the residual film recovery machine, the movement track and motion equation of the saw tooth center of the film binding mechanism during operation, and the condition of no leakage of film binding mechanism. Taking the operation speed (v1) of the residual film recovery machine, the rotation speed (n) of the film binding mechanism roller, and the axial distance (l) of the film binding mechanism as the test factors, the film binding rate test of the film binding mechanism of the residual film recovery machine was carried out. The experimental results showed that when the rotation speed of the roller of the film binding mechanism was 60 r/min, the axial spacing of the film binding plate was 50 mm, and the operation speed of the residual film recovery machine was 5 km/h, the residual film recovery rate was 93.3%, which satisfied the design requirements of the residual film recovery machine.

Key words: agricultural machinery, recovery of residual film, sawtooth, film binding mechanism, demoulding mechanism, orthogonal test