Pillow Bag Form Fill Seal System-Rotary Cup Granule Packing Machine
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The Rotary Cup Granule Packing Machine is designed for stable and economical packaging of free-flowing granular materials. It adopts a rotary volumetric dosing system, where each measuring cup determines the filling weight. The machine integrates bag forming, filling, sealing, and optional date coding in one unit. A built-in discharge conveyor helps collect finished bags efficiently. With its compact footprint and simple adjustment, this machine is ideal for small and medium production lines requiring reliable and consistent packaging performance.
Machine Overview and Functional Description
This machine is a vertical form fill seal system configured with a rotary cup dosing mechanism, specially developed for granular products. It produces pillow-type bags using a back-sealing structure, ensuring a clean and continuous packaging process.
During operation, packaging film is guided downward and shaped into a tube by the forming system. The longitudinal seal is completed first, followed by horizontal sealing and cutting, forming individual finished bags. To enhance sealing quality, the vertical sealing section includes pressure rollers that apply additional compression, improving seal strength and reducing leakage risk.
Material feeding is controlled by a rotary distribution system. Granules enter from the hopper and slide into a rotating disc, where internal guides distribute the product evenly into volumetric measuring cups. These multi-layer cups ensure stable dosing performance. Different filling weights can be achieved simply by replacing the cup sets, without complex parameter adjustments.
The machine is designed for flexibility. By changing the forming collar, operators can adapt to different bag widths with minimal downtime. The structure is compact yet robust, allowing stable operation even in continuous production conditions. Combined with optional date printing and an output conveyor, this machine provides a practical solution for standardized granular packaging.
Application Areas and Suitable Materials
Food Ingredients & Dry Goods：Refined sugar, crystal sugar,Table salt, iodized salt,Flavor enhancers (MSG, seasoning granules),Instant coffee granules,Small snack particles ,etc
Grains, Pulses & Agricultural Products：Rice grains (small pack sizes),Red beans, mung beans,Seeds (vegetable seeds, grain seeds),Feed granules,etc
Industrial Granules & Chemicals：Detergent granules,Desiccant particles (silica gel),Plastic pellets (resin granules),Chemical additives in granular form,etc
Daily Consumables & Miscellaneous Materials:Bath salts,Air freshener granules,Small uniform household products,etc
Recommended for materials with good flowability and uniform particle size.
Technical Specifications
| Rotary Cup Granule Packaging Machine | |
|---|---|
| Model | TH-450 |
| Packaging Form | Back sealing |
| Bag Length | 30-300mm |
| Bag Width | 40-210mm（Need to replace the Former） |
| Metering Range | 50-1000ml |
| Packaging Speed | 30-80 bag/min |
| Power Consumption | 1.8KW |
| Weight | 400KG |
| Equipment Dimensions (L×W×H) | 820mm*1200mm*2000mm |
Structural Design and Working Principle
1. Forming Collar (Adjustable Bag Former)
The forming collar converts flat film into a tubular shape. It is designed for quick replacement, allowing operators to switch between different bag widths efficiently. This improves machine versatility without requiring complex setup changes.
2. Multi-Layer Volumetric Cups
The dosing system uses layered measuring cups to control filling volume. This mechanical structure ensures stable and repeatable output. Changing the cup set enables quick adjustment of package weight, making it suitable for different product requirements.
3. Film Roll Support System
The film holder is designed to accommodate various film sizes while maintaining stable unwinding tension. It ensures smooth film feeding and accurate alignment, which is essential for consistent bag forming and sealing quality.
4. Back Sealing Unit
The sealing system creates a strong longitudinal seal on the back of the bag. Combined with controlled temperature and pressure, it ensures tight sealing performance and a clean packaging appearance
FAQs
1. What type of materials is this machine best suited for?
It is ideal for free-flowing granular materials such as sugar, salt, seeds, and small beans.
2. How do I change the filling weight?
Filling weight is adjusted by replacing the volumetric measuring cups, which is simple and efficient.
3. Can the machine handle different bag sizes?
Yes, bag width can be changed by replacing the forming collar. The adjustment process is quick and user-friendly.
4. Does the machine support continuous operation?
Yes, the machine is designed for stable and continuous production with minimal operator intervention.
5. Is this machine suitable for powders?
This model is mainly designed for granules. For fine powders, an auger filling system is recommended.
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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