Product Features
This ZP3P series packaging-specific suction cup adopts exclusive 5.5-layer multi-layer bellows integral molding technology, with more layered telescopic strokes and finer pressure buffering than traditional suction cups, realizing omnidirectional flexible fitting for soft film surfaces. The optimized ultra-thin soft skirt edge and special ribbed labyrinth air passage design greatly enhance vacuum tightness, effectively reducing air leakage and vacuum loss during high-speed bag opening, ensuring stable negative pressure adsorption. It adopts food-grade blue silicone material, which is non-toxic, tasteless, compliant with food safety standards, and convenient for foreign body inspection in production. The multi-layer staggered corrugated structure can evenly disperse vacuum suction force, avoid local over-suction, and thoroughly prevent thin film deformation, wrinkling and bag collapse. Standard 20/25/35mm complete specifications support one-stop matching for most mainstream automatic packaging machines. The lightweight and flexible structure adapts to high-frequency cyclic bag opening actions, with strong fatigue resistance and long-term stable working performance without hardening or deformation.
Product Advantages
First, 5.5-layer upgraded anti-wrinkle design. The multi-layer bellows structure provides graded buffer and uniform pressure output, completely solving the problem of thin film bag wrinkling and indentation caused by single-layer suction cups, greatly improving packaging yield. Second, professional bag-opening high tightness. Unique labyrinth air passage and soft skirt edge fit closely with irregular soft packaging surfaces, effectively blocking air leakage, maintaining stable vacuum and improving the success rate of automatic bag opening. Third, food-grade safe material. FDA-certified premium silicone is safe and hygienic, suitable for food, medicine and high-standard clean packaging scenarios, with no pollution to packaging materials. Fourth, strong flexible adaptability. Multi-stage telescopic buffer adapts to different film thicknesses and bag body heights, compatible with various soft packaging materials such as plastic films, composite bags and PE packaging bags. Fifth, industrial durable & cost-effective. Wear-resistant and anti-aging silicone material resists long-term high-frequency stretching and extrusion, low failure rate, convenient replacement, effectively reducing packaging line maintenance costs.
How to Use
First, select the corresponding ZP3P specification (20mm/25mm/35mm) according to the size and thickness of the packaging bag, and inspect the 5.5-layer bellows and silicone skirt edge for cracks, aging or permanent deformation. Second, clean the suction cup surface and packaging film surface to remove dust, oil stains and fine debris, ensuring a clean fitting surface for vacuum sealing. Third, install the suction cup nozzle firmly on the packaging machine pneumatic interface, check the connection tightness to avoid air leakage during high-speed operation. Fourth, turn on the vacuum air source for idle testing, observe the telescopic flexibility of the multi-layer bellows and check for air leakage at the joint and cup body. Fifth, adjust the vacuum pressure to a low and stable range suitable for thin films, conduct trial bag opening tests, verify no film wrinkling, bag collapse or slipping occurs. Sixth, after the trial run is stable, start continuous automatic packaging and bag opening production. For daily maintenance, regularly clean residual film debris on the suction cup surface, check the elasticity and telescopic performance of the multi-layer bellows, and replace the suction cup in time if suction weakens or aging failure occurs.
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