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This integrated vacuum feeding system matches WPC wood floor multi-extruder extrusion line. Equipped with imported PLC control and famous-brand electric parts, it adopts vacuum and screw combined feeding mode. With closed stainless steel dust-proof conveying structure and 6 linkage level gauges auto induction feeding, it supports auto and semi-auto feeding. It integrates feeding, mixing and vacuum conveying modules, realizing automatic weighing, mixing and conveying of powder and granular materials for plastic extruder and injection machine, with mature 2016 Nanjing factory application case.
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This professional vacuum feeding system is specially developed for synchronous automatic feeding of multiple WPC wood floor extruders, solving manual feeding, dust pollution and discontinuous feeding pain points of traditional WPC production lines. Integrated with automatic feeding unit, mixing unit and vacuum pneumatic conveying unit, the whole system finishes full-link automatic procedures including raw material storage, conveying, precise dosing, weighing, mixing and quantitative feeding to extruders.
Adopting full closed 304 stainless steel silos and pipeline structure with supporting dust removal devices, it realizes dust-free material conveying and standardized workshop management. The core control part adopts imported PLC controller and international famous brand electrical components, ensuring long-term stable, low-failure and high-efficiency continuous operation. Equipped with human-machine simulation touch screen, the system supports dual-control mode of full automation and semi-automation. It adopts dual combined feeding technology of vacuum negative pressure feeding and screw quantitative feeding to match continuous extrusion demand.
It is configured with large and small silo dual level meters, plus 50L independent small hopper and matched level gauge above each extruder, forming six-group linkage level induction feeding logic. The whole feeding cycle is intelligently controlled by PLC without manual intervention. This system has been officially put into operation in Sundiwpc Plastic Nanjing factory in 2016, specially supporting automatic feeding, pneumatic conveying and dosing weighing work for mass WPC wood floor production.
2. Mixing system: Online homogenizing mixing for wood powder, plastic powder and granular compound materials
3. Vacuum pneumatic conveying system: Closed negative pressure pipeline conveying with dust removal function
4. Imported PLC control cabinet: Core program control unit, support auto/semi-auto mode switching
5. HMI simulation operation screen: Real-time running display, fault flash alarm, parameter one-click setting
6. Stainless steel sealed silo group: Large storage silo + buffer small silo, full dust-proof design
7. Six linkage level gauges: Induction material level to realize automatic start-stop feeding linkage
8. 50L extruder buffer hopper: Prevent extruder shutdown caused by temporary material shortage
Firstly, multi-extruder synchronous feeding capability. Designed for parallel feeding of multiple extrusion hosts, one set system can serve several WPC floor extruders simultaneously, saving cost of decentralized independent feeding equipment.
Secondly, dust-free closed production. Full stainless steel sealed silos and pipelines plus professional dust removal structure avoid wood powder and plastic powder floating, improve workshop cleanliness, reduce staff occupational dust hazard.
Thirdly, reliable imported electric control configuration. Imported PLC and brand electrical parts reduce circuit failure rate, support 24h long-term continuous production, lower later maintenance cost.
Fourthly, intelligent visual operation. Simulation screen real-time monitors each component status, fault flash alarm reminds operators timely, shorten fault troubleshooting time greatly.
Fifthly, intelligent level linkage feeding. Six-point linkage level gauge design realizes fully automatic cyclic feeding, no manual material checking and manual start-stop operation needed.
Sixthly, uninterrupted extrusion guarantee. 50L independent buffer hopper reserves standby materials, effectively avoid extruder shutdown and defective floor products caused by feeding delay.
Seventhly, dual optional control mode. Support full-automatic unmanned operation and semi-automatic manual auxiliary operation, adaptable to different production management habits.
Eighthly, verified industrial performance. Put into production in Nanjing Sundiwpc factory since 2016, stable operation for years, perfectly matched WPC wood-plastic powder and particle compound raw material conveying and dosing processing.
Client Name: Sundiwpc Plastic Co,. Ltd.
Plant Location: Nanjing, China
Construction Year: 2016
Final product: WPC wood floor
Plant for: Automatic feeding system.Pneumatic conveying system, Dosing and weighing
Q1: How many extruders can this vacuum feeding system support at the same time?
A1: This system is customized for synchronous automatic feeding of multiple WPC wood floor extruders, supporting parallel feeding for multiple extrusion hosts in one workshop, customized according to customer’s actual extruder quantity.
A2: The six level gauges include silo upper/lower level meters and extruder hopper level meters. Any lack-of-material signal will trigger screw feeder feeding; all full-material signals will stop feeding automatically, realizing PLC full-automatic cyclic feeding.
A3: The 50L buffer hopper stores standby compound materials. It can supply materials temporarily when main feeding system delays feeding, ensuring continuous running of extruder and avoiding WPC wood floor defective products and production halt.
A4: No. It adopts fully closed stainless steel container and pipeline conveying, matched with special dust removal measures. Wood powder and plastic powder will not diffuse into workshop air, keeping workshop clean and eco-friendly.
A5: It has two optional modes: full automatic mode operated by PLC program wholly, and semi-automatic mode for manual auxiliary adjustment. Operators can switch mode freely on the simulation touch screen.
A6: Vacuum feeding realizes long-distance closed raw material conveying, while screw feeding ensures quantitative uniform feeding to extruder. The combination balances conveying efficiency and dosing accuracy, suitable for WPC mixed wood-plastic materials.
A7: It was put into formal operation in Sundiwpc Plastic Co., Ltd. Nanjing factory in 2016, applied for automatic feeding, pneumatic conveying and dosing weighing of WPC wood floor formal production line.
