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This system includes automatic feeding dosing mixing system, vacuum conveying system, etc. it is suitable for automatic weighing, mixing and conveying of all powder and particle materials to plastic extruder. It has the advantages of high automation, no dust and high efficiency; Suitable for PVC pipes, Window profiles, SPC floor and other PVC industry customers.
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For large PVC pipe/SPC floor production factory, implementing an Advanced automatic weighing compounding conveying system is essential for maintaining a competitive edge and ensuring consistent output. Traditional mixing method is that people weigh and batch material manually, then move the mixed material to extruder also manually. While this old way just fit for the small factory, it has many defects that severely hinder large-scale manufacturing:
1. Artificial mixing is easy to make a mistake, because this is a repetition work, so worker is tired easily. The weighing precision is not assured, leading to variations in the chemical composition and physical performance of the final extruded profiles.
2. Labour intensity is large, requiring operators to physically lift and transport heavy sacks of powder throughout the shift. Consequently, human cost is high from long term view, and facility throughput remains limited by human physical endurance.
3. Chemical raw material harms the worker’s health. Prolonged exposure to fine airborne particulates during manual scooping and pouring creates respiratory hazards.
Beyond standard PVC applications, this automated infrastructure is widely adaptable for SPC/WPC flooring, rubber, chemical, and food industries requiring precise powder, granule, and liquid modification operations.
The storage of large bulk solids quantities is realized in silos, big-bags and containers, equipped with automatic discharge aids for a safe extraction of the required product amount from the container. In case of larger capacities the bags emptying is made automatically, utilizing enclosed stations that prevent powder from escaping into the facility atmosphere; at smaller discharge capacities the manual discharge process is usually supported by mechanical devices (like hoists and precision valves) to reduce physical strain. This comprehensive approach ensures that raw ingredients are kept dry, uncontaminated, and ready for immediate processing.
The application of automation technologies in the field of bulk solids transport - comprising both mechanical systems (screw conveyors, bucket elevators, chain conveyors...) and also pneumatic systems (conveying under overpressure and by vacuum, fluidized bed chutes...) - has a very strong impact on production and productivity. It allows to transport even very large bulk quantities in a reliable and safe manner over great distances without human intervention. By integrating advanced positive and negative pressure (dilute/dense phase) and tube chain conveying technology, the materials move swiftly through sealed pipelines. This is paired with vacuum mixing and specialized spiral agitation structures, achieving rapid, thorough blending and cooling with absolutely no dead corners left inside the chamber.
In the field of metering and weighing the automation allows higher metering accuracies and has - besides of a productivity increase - mainly an impact on the product quality. The entire sequence utilizes centralized control powered by internationally recognized PLC brands. This achieves fully unmanned, automatic dosing and feeding, completely eradicating manual formula errors and the costly risk of downtime due to material starvation at the extruder throat. Of great importance are the production records and batch protocols recorded and filed by the recipe management system, granting facility managers complete traceability over every gram of resin and additive consumed during the shift.
Raw material preparation is a necessary and very important step in a PVC extrusion process, dictating the ultimate surface finish, impact resistance, and tensile strength of the extruded goods.
(and as a consequence the profit margins of the product) Definition of quality: A product is constantly produced without any variation of the specific characteristics the product need to have for fulfilling the final task of the product's application. To guarantee this consistency over years of continuous operation, the core mixing blades are precision-cast from heavy-duty stainless steel and undergo strict dynamic and static balancing procedures. Combined with premium imported electrical components, the hardware ensures the equipment maintains stable operation under high-intensity workloads, directly translating to a smooth, uniform output profile.
With a state of the Raw Material Handling System the ENVIROMENTAL CONDITIONS inside and outside the production plant(Dust, Noise, Steam, Smells, Vibrations) are improved easily and therefore the prestige of this industry as well as. We integrate a fully sealed central dust collection system that actively captures particulates directly at the source. This targeted extraction transforms a traditionally messy environment into a modern, dust-free workshop that meets strict industrial health regulations. Not only does this protect the respiratory health of the workforce, but it also actively recovers valuable raw materials, preventing waste and lowering overall operational expenditures.
By transitioning from manual lifting and pouring to an intelligent, automated workflow, facilities can drastically reduce their reliance on physical labor. The system handles the heavy lifting, measuring, and transferring continuously, allowing plant managers to reallocate personnel to higher-value supervisory or quality assurance roles, thereby optimizing the entire factory payroll.
1. Bag empty of raw material, utilizing enclosed stations to prevent environmental contamination during the initial unboxing phase.
2. Loading raw material into the storage silos through heavy-duty pneumatic or mechanical transfer lines for bulk staging.
3. PVC and additives dosing and weighing system, capable of handling micro-ingredients and liquid injections with pinpoint accuracy.
4. Mixing machine or heating and cooling mixer, engineered with balanced stainless steel blades for rapid thermal fusion and subsequent temperature reduction.
5. Dry Blends material storage units that act as a buffer, ensuring the compound is properly rested before entering the extrusion phase.
6. Extruders' feeding system, providing a continuous, metered flow of blended material directly into the extruder throat.
7. Central de-dusting system, maintaining a clean atmospheric environment and recovering volatile powder fractions.
8. Central electrical controling system, tying all components together into a customized, one-stop closed-loop production line solution.
