Automatic VFFS Packing Machine with Linear Weigher
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This 4-head linear weigher granule packaging machine is designed for accurate and efficient packaging of granular products. It uses a vibrating feeding system to achieve precise target weights and supports automatic bag forming, filling, sealing, and cutting. With stable performance and adjustable speed, it is ideal for food and industrial granule packaging lines.
Machine Overview and Functional Description
This automatic granule packaging machine integrates weighing, bag forming, filling, sealing, cutting, and output into one complete system. It adopts a 4-head linear weigher with independent vibrating feeders, ensuring accurate and continuous material dosing.
Each weighing hopper works alternately. When one hopper reaches the preset weight, it automatically discharges, allowing continuous operation and improving packaging efficiency. The vibrating feeding system enables gradual and uniform material supply, ensuring high weighing accuracy and minimizing material waste.
The machine is equipped with an advanced microcomputer control system and photoelectric tracking device, which ensures precise positioning of bag patterns and consistent bag length. A high-precision stepper motor controls the film pulling system, guaranteeing stable operation and accurate bag forming.
The VFFS (Vertical Form Fill Seal) unit supports adjustable bag width within a specified range and can produce back-seal bags. The cutting system allows adjustable cutting speed (2–99 bags/min), with automatic counting and fault detection functions. The machine will automatically stop when film runs out, improving safety and reducing material waste.
Optional features include a date printer and gas flushing (nitrogen filling) system for extended shelf life. The finished bags are discharged through a conveyor, making it easy to connect with downstream equipment.
Application Areas and Suitable Materials
1. Food Industry: Puff snacks, chips, Beans, rice, grains, Candy, nuts, seeds, Dried fruits, preserved fruits, etc
2. Agricultural Industry: Seeds (melon seeds, sunflower seeds),Feed granules, Fertilizer granules, etc
3. Chemical Industry: Plastic granules, Detergent granules, Industrial pellets, etc
4. Pharmaceutical & Others: Granular medicine, Health supplements (granule form), etc
Suitable for: Granules, small particles, and free-flowing materials.
Technical Specifications
| 4-bucket weigh-and-wrap packaging machine | |
|---|---|
| Packaging Type | Back-sealed |
| Model | 4-head linear scale |
| Bag Length | 30-180mm |
| Bag Width | 25-145mm（Need to replace the Former） |
| Packaging Speed | 30–80 bags/min(depending on material density and specifications) |
| Packaging Range | 20–1000 g |
| Packaging Accuracy | ±0.5% |
| Power Consumption | 1.8 kW |
| Weight | 330 kg |
| Equipment Dimensions (L×W×H) | 1200×600×1750 mm |
Structural Design and Working Principle
1. Vibrating Feeder System
The vibrating feeder ensures smooth and controlled material feeding. It reduces sudden drops of material, improving weighing accuracy and ensuring stable and consistent packaging performance.
2. PLC Control Panel
Equipped with an advanced microcomputer control system and photoelectric tracking, the PLC panel ensures precise synchronization of bag forming, filling, and sealing operations.
3. Bag Former (VFFS System)
The machine supports back-seal bag forming with adjustable bag width. Different bag sizes can be achieved by replacing forming tubes, providing flexible packaging solutions.
4. Finished Product Conveyor
The conveyor automatically transports finished bags to the next processing stage, improving efficiency and enabling seamless integration into production lines.
FAQs
Q1: What types of materials can this machine package?
It is suitable for granules such as snacks, beans, seeds, nuts, candy, and other free-flowing materials.
Q2: How does the 4-head weigher improve efficiency?
Each hopper works alternately. While one is discharging, others continue weighing, ensuring continuous operation and higher output.
Q3: Can the bag size be adjusted?
Yes, bag width can be adjusted by replacing the forming tube, within the machine’s supported range.
Q4: Does the machine support nitrogen flushing?
Yes, an optional gas flushing system can be added to extend product shelf life.
Q5: Is the machine easy to operate?
Yes, it uses a PLC touch screen control system with simple interface, allowing easy parameter setting and operation.
Compliance and Certification Standards
At HONGDI Machine, we prioritize operational safety, electrical stability, and rigorous hygiene across all our custom industrial machinery. As a verified SGS-audited manufacturer, our equipment undergoes strict testing to meet and exceed global manufacturing regulations.
As demonstrated in the certification documents, our core product categories hold official CE Certifications, fully complying with the strict European Machinery Directives and Electromagnetic Compatibility (EMC) standards.
Key safety and quality guarantees include:
Certified Safe Operation: Advanced electrical and mechanical engineering that protects your facility’s personnel and ensures uninterrupted daily workflows.
Sanitary Stainless Steel Construction: Premium food-grade stainless steel contact parts designed for simplified washdowns, preventing cross-contamination and meeting strict food safety compliances.
Global Export Readiness: Dependable, customized equipment built to perform seamlessly in diverse international manufacturing environments.
Whether you are integrating a complete automated production line or a standalone unit, our CE-certified systems guarantee stable, continuous operation while protecting your product’s integrity.
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