Abstract: According to the market demand of passion fruit automatic processing equipment, this article takes PLC as the control core, uses slide guide rail as the motion control processing platform, designs the passion fruit automatic juice extraction system, completes the passion fruit automatic unloading, constant force clamping fruit body, up and down After breaking, the self-adaptive expansion rotary cutter is used to rotate the juice, and the peel after the juice falls into the corresponding collection box to complete the separate collection of peel and juice, which can better achieve automatic extraction of passion fruit of different sizes and improve production efficiency. To ensure food hygiene, save labor costs, increase production capacity, and lead the revitalization of the rural economy with technology, has important research value and market prospects, and is of great significance.