Core Configuration of Automatic Laundry Detergent Pod Production Lines: Key Components and Functions

Automatic laundry detergent pod production lines are the core of efficient production, and their core configuration directly determines product quality, production capacity, and long-term operational stability. The main components include a precision liquid feeding system, automatic forming module, sealing and packaging unit, intelligent control system, and auxiliary detection equipment. Each part undertakes unique functions and forms a highly coordinated production chain to meet the mass production needs of high-quality detergent pods.

The precision liquid feeding system is the premise of ensuring product consistency, adopting servo-driven metering pumps with an accuracy error of less than ±0.5%. It can accurately control the dosage of detergent matrix, fragrance, functional additives (such as stain removers, softeners), and deionized water, avoiding component deviation caused by manual operation. The system is equipped with a pre-mixing buffer tank, which realizes uniform mixing of materials through high-speed stirring before feeding, preventing local concentration imbalance of additives that may affect the cleaning effect. In addition, the pipeline adopts food-grade 304 stainless steel, which is corrosion-resistant and easy to clean, avoiding material contamination and ensuring compliance with hygiene standards.

The automatic forming module relies on food-grade PVA (polyvinyl alcohol) film forming technology, which is non-toxic, soluble in water, and environmentally friendly. The module is equipped with a quick-change mold structure, and the mold cavities can be adjusted to adapt to different pod specifications (8g for daily small loads, 15g for regular loads, 20g for heavy soiling). The forming process is controlled by a servo motor to ensure that the film is evenly stretched, avoiding wrinkles or breakage that may lead to leakage. To cope with the high viscosity of detergent matrix, the module is also equipped with a temperature control device, which maintains the material at a constant temperature of 35-40℃ to ensure smooth forming and consistent pod shape.

The sealing and packaging unit adopts hot-press sealing technology, with temperature adjustable between 200℃ to match the melting point of PVA film. The sealing head is designed with a honeycomb structure to evenly distribute pressure and temperature, preventing local overheating from damaging the film or insufficient heating leading to poor sealing. After sealing, the unit is equipped with a leak-proof detection link, using high-precision pressure sensors to detect tiny gaps in the pod, and automatically removing unqualified products to avoid batch quality problems. For the subsequent packaging, the unit can also be connected with automatic bagging and coding equipment to realize integrated production from forming to finished product packaging.

The intelligent control system is the "brain" of the production line, equipped with a human-machine touch screen operation interface and a PLC (Programmable Logic Controller) core module. It can realize real-time monitoring of key production parameters such as feeding speed, forming temperature, sealing pressure, and production capacity, and display data in the form of curves and tables for easy analysis. The system has automatic fault alarm and positioning functions. When components such as metering pumps or temperature sensors fail, it can immediately send an audible and visual alarm and indicate the fault location, reducing maintenance time. In addition, the system supports data statistics and export, recording daily output, qualified rate, and material consumption, providing data support for enterprise production management and optimization.

In actual production, the matching degree between each component is crucial. For example, the coordination between liquid feeding speed and forming speed directly affects the integrity of the pod—excessive feeding speed may cause material overflow, while insufficient speed will lead to hollow pods. Enterprises should select configurations according to their own production scale (small-scale production can choose semi-automatic modules, while large-scale enterprises need fully automatic integrated lines) and product positioning (high-end products require higher precision feeding and sealing systems). At the same time, it is necessary to ensure that each component comes from reliable suppliers and carry out regular maintenance and calibration to prolong the service life of the equipment and lay a solid foundation for stable production.