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Shanghai Shenggang Machinery Equipment Co., Ltd
Solution to the problem of viscous essential oils: Upgrade path for compatibility technology of filling capping machine
Date: 2025-12-25Read: 6
The filling of viscous essential oils is a common problem in the industry, and most enterprises face pain points such as serious wall hanging during filling, uneven discharge, low filling efficiency, and many bubbles inside the bottle. Traditional filling capping machines often suffer from material waste and unstable product quality due to insufficient adaptability. To address this core pain point, it is necessary to promote technological upgrades from multiple dimensions such as structural design, power regulation, and auxiliary processes, and build a customized solution for viscous essential oils.
Firstly, upgrade the core structure of the filling head to solve the problems of wall hanging and discharge. Optimize the traditional straight tube filling head into a conical progressive structure, with PTFE anti sticking coating on the inner wall to reduce the adhesion area of viscous essential oils; At the same time, a precise temperature control module is added to moderately reduce the viscosity of essential oils and improve their fluidity through constant temperature heating at 35-45 ℃. Upgraded anti drip valve with flexible sealing material and delayed closure design to prevent material dripping after filling and reduce material waste and bottle contamination.
Secondly, optimize the power drive system to achieve uniform and precise filling. Abandoning the traditional fixed speed drive mode and adopting a variable speed servo drive system, the filling and pushing speed can be accurately adjusted according to the viscosity of the essential oil. Essential oils with high viscosity are pushed at low speed and constant speed to avoid bubbles caused by too fast flow rate; Paired with a high-precision volumetric metering pump, the pump body sealing structure is upgraded to prevent leakage of viscous materials, ensuring a stable measurement error within ± 0.05ml and guaranteeing consistency in product capacity across different batches.
Furthermore, the addition of vacuum assisted filling technology solves the problems of bubbles and incomplete filling. Install a vacuum generating device in the filling chamber. Before filling, evacuate the bottle to eliminate the obstruction of air inside the bottle on the flow of viscous essential oil and avoid the generation of bubbles during the filling process; In a vacuum environment, viscous essential oils can slowly flow and fill along the bottle wall, preventing local gaps or incomplete filling, and further reducing wall hanging.
Finally, optimize the screw cap adaptation mechanism to adapt to the state of viscous materials after filling. In response to the problem of residual materials at the bottle mouth after filling viscous essential oils, a hot air cleaning module is added before capping to accurately remove residual materials at the bottle mouth; Adjust the pressure regulation logic of the capping mechanism and adopt a three-stage capping mode of "pre pressure slow rotation tightening" to avoid deformation of the bottle body due to excessive capping force, while ensuring a tight seal and preventing oxidation and deterioration of viscous essential oils due to improper sealing.
In summary, by optimizing the structure of the filling head, servo drive speed regulation, vacuum assisted filling, and adapting the capping mechanism, the adaptability of the filling capping machine to viscous essential oils can be greatly improved, effectively solving the core pain points of wall hanging, bubbles, and low efficiency. While reducing material waste, product quality stability is guaranteed, providing efficient and reliable equipment technical support for viscous essential oil production enterprises.