Design and Optimization of Stationary Rubber Tapping Machines

Aiming at the problems of high labor intensity and technical threshold in manual rubber tapping in natural rubber production, this paper designs and optimizes a fixed fully automatic rubber tapping machine. Firstly, the rubber tree latex production mechanism and tapping technical regulations were systematically analyzed, and key parameters such as tapping depth, bark consumption, and cutting trajectory were clarified. Based on this, an intelligent tapping machine scheme based on profiling and step-by-step motion was proposed, including an adjustable binding mechanism, spiral motion mechanism, tree-following profiling mechanism, and multi-motor cooperative control system. The stability of the mechanism motion and the structural strength of key components were verified through dynamic simulation (ADAMS) and finite element analysis (ABAQUS). Finally, field orthogonal experiments were conducted to optimize parameters such as motor speed, tool spiral angle, and spring preload. The optimal parameter combination (motor speed 21 r/min, tool angle 25°, spring preload 20 N) was obtained, ensuring tapping quality (latex yield of 6.29 mL in the first 5 min) while reducing energy consumption (average power consumption of 1.07 W·h). This study provides a feasible solution for the mechanization and intelligence of rubber tapping.