Granule Weighing & Filling Machine

Automatic Granule Weighing & Filling Machine Solutions

 

Quantitative weighing and precision filling equipment engineered for granular, crystalline, and free-flowing products into bags, pouches, bottles, and rigid containers.

 

Whether running standalone units for batch packaging or integrating weighing heads into automated high-speed packaging lines, our equipment delivers accurate material dosing and smooth operational efficiency.

 

 
 
Precision Granule Weighing & Filling for Industrial Packaging

Granule weighing and filling systems manage quantitative product measurement prior to final container sealing.

 

Unlike complete primary packaging machines (such as Vertical Form-Fill-Seal systems or automatic rotary pouch packers that form or feed the bag itself), a weighing filling machine focuses directly on precise mass determination and controlled product discharge.

 

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How the System Operates

Material Infeed: Raw product moves into the main storage hopper via an automated elevator or feed chute.

 

Product Distribution: Linear vibratory pans or rotary cones distribute particles into dedicated weigh hoppers.

 

Weight Determination: High-precision load cells register mass in real time, matching values against target specifications.

 

Controlled Discharge: Measured product releases into bags, pouches, bottles, jars, or downstream packaging machinery.

 

These units operate as standalone stations with manual container handling, or interface directly with automated packaging lines.

 

Machine Types & Structural Configurations
 

Selecting the correct weighing system layout depends on material flow characteristics, particle uniformity, density, and required production speed.

Type 1: Linear Weighing Units

 

Designed for simple, uniform granular products like sugar, salt, grains, seeds, and uniform feed pellets.

 

Streamlined Mechanical Design: Built for straightforward daily operation, quick material changeovers, and simple washdown procedures.

 

Vibratory Feeding Control: Employs multi-stage linear vibratory trays to manage coarse dosing and fine trickle adjustment.

 

Target Application: Ideal for small-to-medium output requirements, batch processing, or dedicated product lines.

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Type 2: Multihead Combination Weighers

 

Engineered for irregular shapes, fragile particles, mixed items, or high-speed operations such as snacks, nuts, pet food, candies, and dried fruits.

 

Combination Algorithm: Uses dedicated load cells across multiple weigh hoppers to calculate and select the precise weight combination per cycle.

 

High-Speed Output: Achieves rapid discharge rates without sacrificing individual target dose accuracy.

 

Product Protection: Features optimized chute angles and lowered drop heights to minimize product breakage during transfer.

Type 3: Integrated Weighing & Packaging Line Systems

 

Tailored for production facilities requiring fully automated material handling from bulk supply to sealed containers.

 

Unified Line Control: Synchronizes Z-bucket elevators, elevated working platforms, multihead or linear weighers, and downstream baggers.

 

Signal Synchronization: Interlocks discharge signals directly with Vertical Form-Fill-Seal (VFFS) systems, premade pouch packing machines, or bottle indexing conveyors.

 

Operational Versatility: Operates as a cohesive unit to minimize manual handling and maintain consistent line throughput.

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Compatible Granular Products & Applications

Material bulk density, particle surface texture, and moisture levels determine the final feeder configuration.

Food & Snacks: Nuts, potato chips, dried fruit, candies, popcorn, and extruded snacks.

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Grains & Staples: Rice, beans, pulses, coffee beans, sesame, and bulk cereals.

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Seasonings & Ingredients: Refined sugar, coarse salt, spices, soup bases, and granular additives.

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Pet Food & Agriculture: Dry kibble, treats, crop seeds, feed pellets, and fertilizers.

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Industrial Particulates: Plastic granules, resin pellets, small hardware items, and desiccants.

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Machine configurations are verified through material testing based on particle size distribution and bulk density.

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Material Flow Process

 

 

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Key Technical Specifications

Specification

Typical Configuration

Weighing Principle

Linear Weighing / Multihead Combination Weighing

Filling Range

Model dependent (e.g., 10g – 1,000g / 100g – 5,000g)

Weighing Accuracy

Dependent on particle uniformity and target mass

Weighing Heads / Channels

1, 2, or 4 heads (Linear) / 10, 14, or 20 heads (Multihead)

Control Logic

Industrial PLC with touchscreen interface

Product Contact Parts

Food-grade SUS304 or SUS316 Stainless Steel

Container Compatibility

Premade Pouches, VFFS Film Bags, Rigid Bottles, Jars

Recipe Storage

Multi-program memory for rapid product switching

Power & Utilities

Custom voltage built to regional facility standards

 

Container Formats & Line Integration Options
 

Our equipment interfaces with diverse package styles and existing plant setups.

Supported Containers

Flexible Bags: Pillow bags, gusseted bags, quad-seal bags, and block-bottom pouches.
Premade Pouches: Stand-up pouches, zipper bags, side-seal pouches, and flat bags.
Rigid Containers: Plastic bottles, glass jars, composite cans, and tubs.

 

Line Integration Capabilities

Infeed Elevators: Z-bucket conveyors, inclined belts, and vacuum loaders.
Primary Packaging Equipment: Direct signal linkage with VFFS units and rotary pouch machines.
Downstream Equipment: Integration with indexing conveyors, checkweighers, metal detectors, and sealers.

 

Equipment Selection Checklist
 

Product Properties

Particle size, shape, bulk density, and flow behavior.

Target Weight Range

Minimum and maximum fill weight per cycle.

Required Speed

Target output in fills per minute or packages per hour.

Container Style

Premade pouches, roll-stock film bags, or rigid bottles/jars.

Container Opening Dimensions

Neck diameter or bag opening width.

Automation Level

Standalone operation with operator loading, or fully automated line integration.

 

Construction Features & Operational Capabilities

PLC and Touchscreen Interface

Offers simple parameter tuning, recipe selection, and system diagnostics.

 

Stainless Steel Contact Surfaces

Built using sanitary stainless steel for easy cleaning and product safety.

 

Digital Load Cell Sensors

Provides precise mass detection with anti-vibration signal filtering.

 

Adjustable Vibratory Feeders

Controls material flow from fast bulk dosing to fine trickle adjustment.

Tool-Free Disassembly

Quick-release hoppers and chutes simplify washdown during product changeovers.

No-Product / No-Fill Protection

Prevents hopper discharge if downstream containers are missing.

Multi-Language Controls

Interface menus available in major languages for international facility teams.

 

 

FAQ

 

 

Q: What products can be handled by this equipment?

A: The machinery handles dry, granular, crystalline, and solid particulate products including grains, seeds, sugar, nuts, snacks, pet food, and industrial plastic granules.

Q: What is the main difference between a linear weigher and a multihead weigher?

A: Linear weighers feed product sequentially into dedicated hoppers, making them ideal for uniform materials at moderate speeds. Multihead weighers distribute product across multiple hoppers, using computer algorithms to calculate the ideal weight combination for high speeds and irregular shapes.

Q: Can this weighing unit connect to an existing packaging line?

A: Yes. Systems include standard interface ports to synchronize dumping cycles with VFFS machines, rotary pouch equipment, or bottle indexing lines.

Q: How is weighing accuracy determined?

A: Accuracy depends on particle size uniformity, density consistency, and target fill weight. Material testing with actual samples establishes operational tolerances.

Q: What contact materials are used?

A: All product contact components use food-grade stainless steel (SUS304 standard, with SUS316 options available) to meet strict sanitary guidelines.

Q: Can one machine fill different target weights?

A: Yes. Weight parameters and feed speeds are saved as pre-programmed recipes in the touchscreen interface for quick product changeovers.

 

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Request a Custom Technical Proposal

To receive an equipment recommendation and quotation, please share your operational details:
Product description and sample photo/video
Target fill weight(s)
Required production speed
Bag or container type and dimensions
Target accuracy requirements
Line setup preference (Standalone or Integrated)

We're well-known as one of the leading granule weighing & filling machine manufacturers and suppliers in China. We warmly welcome you to wholesale high quality granule weighing & filling machine made in China here from our factory. If you have any enquiry about customized service, please feel free to email us.

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