Double Hopper Powder Filling Machine

Description

Double Hopper Powder Filling Machine is an advanced automated packaging solution designed primarily for accurately and efficiently dispensing dry powders into rigid containers such as cans, jars, bottles, or pouches. It features two integrated hoppers (often a main large hopper and a smaller auxiliary one) that work in tandem to ensure continuous feeding and precise metering, minimizing downtime during refills. This machine is widely used in industries like food and beverage, pharmaceuticals, chemicals, and nutraceuticals for handling free-flowing, fluffy, or sticky powders. By combining auger filling technology with weighing systems, it achieves high-speed operation while maintaining accuracy, making it ideal for mid-to-high-volume production lines.

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Salient Features of Double Hopper Powder Filling Machine

Compact GMP model.
All contact parts made from Stainless Steel 316 materials.
Machine manufacture from high quality Stainless Steel for long life.
Filling powder in bulk with high filing accuracy of ±1.5% to ±2%, depending upon powder type and bulk density of powder.

“No Bottle – No Filling” system, PLC based control mechanism.
Linear design with inbuilt conveyor belt.
Production output up to 50 bottles per minute.
Machine completely enclosed heavy steel structure body to avoid any vibration.

Working Principle of Double Hopper Powder Filling Machine

The incoming dry bottle is fed through the Infeed Turn Table with suitably guided on the moving conveyor belt at the required speed for feeding. There is filling head mounted on machine top plate, when bottle reaches to the first filling station, it will be held by the bottle holder. Immediately it will be sensed by the bottle sensor as soon as it gets signals from sensor magnetic clutch starts to rotate which is mounted on auger shaft. It will fill the desired amount of powder to the bottle through auger, where rotation time is previously saved in PLC control. After filling bottle moves further for next operation. The main advantage of this machine is star wheel pick up system of bottle is directly connected with Auger rotation, so till bottle get filled with powder as per set value. Duly filled bottles delivered on outfeed conveyor for capping operation.

Technical Specification of Double Hopper Powder Filling Machine

Model	AI-APF 2
Filling Mechanism	Twin-head auger-based dosing
Contact Material	SS316 (product contact parts), SS304 frame
Accuracy	±2 to 3% (depending on powder type and humidity)
Required Ambient Humidity	Below 30% RH
Power Supply	415 VAC 3-Phase and 220VAC Single Phase, 50 Hz with A.C. drive
Power Consumption	4 H.P.
Conveyor Height	Adjustable from 815mm to 940mm
Filling Range	5gms to 60gms per dose
Number of Filling Heads	Two
Container Diameter	25mm to 85mm
Container Height	Up to 100mm
Output Capacity	Up to 50 bottles per minute
Overall Dimensions	3800mm (L) x 1500mm (W) x 1900mm (H) approx.

* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.

Types of Powder Filling Machines

Antibiotic Powder Filling Machine

Injectable Powder Filling Machine

Auger Powder Filling Machine

Bottle Dry Injectable Filling Machine

Automatic Dry Syrup Powder Filling Machine

Dry Syrup Powder Filler Capper

Dry Syrup Powder Filling Machine

Double Head Auger Powder Filling Machine

Applications of Powder Filling Machines

Advantages of Double Hopper Powder Filling Machine

Efficiency Boost: Dual heads and inline design double output compared to single-head models, with over 99.7% accuracy in fill-by-weight systems.

Versatility: Handles non-free-flowing powders without dust spillage; modular for easy upgrades.

Cost-Effective: Reduces labor and waste; ROI through high uptime and low maintenance.

Compliance: Meets FDA, GMP, and CE standards for hygienic packaging.

Key Features of Double Hopper Powder Filling Machine

Dual Hopper System: A primary hopper holds bulk powder, while a secondary auxiliary hopper acts as a buffer for uninterrupted flow. This split design allows for easier cleaning and prevents bridging or clumping in the material.

Auger Filling Mechanism: Utilizes servo-driven auger screws to measure and dispense powder. Customizable auger sizes accommodate various powder densities and particle sizes, from fine flours to granular salts.

Dual Filling Modes: Many models offer switchable modes—high-speed for bulk runs or high-accuracy for precision needs.

Inline Conveyor Integration: Mounted on a stable stainless steel frame with a motorized chain conveyor for seamless container handling. Includes sensors for positioning and product detection.

Weighing and Control System: Equipped with high-response load cells for real-time feedback, ensuring fill weights stay within ±0.5-3% deviation. PLC (Programmable Logic Controller) with touchscreen HMI for easy mode switching, recipe storage, and diagnostics.

Safety and Hygiene: Dust-tight enclosures, explosion-proof options for volatile powders, and quick-disassembly parts for CIP. Waterproof components allow for easy rinsing.

Additional Enhancements: Options like vacuum-assisted filling for sticky powders, jacketed hoppers for temperature control, and integration with upstream mixers or downstream cappers/labelers.

FAQ for Double Hopper Powder Filling Machine

What is a Double Hopper Powder Filling Machine and how does it work?

The Double Hopper Powder Filling Machine is an automatic auger-type filler designed for high-accuracy filling of dry powders into bottles, jars, and containers. It features two integrated hoppers (main + auxiliary) for continuous powder supply and twin filling heads. Powder flows through servo or clutch-driven augers that rotate for a preset time/rotation to dispense the exact dose. Bottles are indexed via conveyor and star wheel, with a “No Bottle – No Fill” sensor ensuring zero wastage.

What is the filling range, accuracy, and production speed of the machine?

The machine supports a filling range of 5gms to 60gms per dose. Filling accuracy is ±1.5% to ±2% (can vary up to ±2-3% depending on powder characteristics and humidity control below 30% RH). Production output reaches up to 50 bottles per minute, making it ideal for medium to high-volume production lines.

What types of powders and containers can the Double Hopper Powder Filling Machine handle?

It is suitable for free-flowing, fluffy, sticky, or non-free-flowing powders such as dry syrups, pharmaceuticals, nutraceuticals, chemicals, cosmetics, and herbal powders. Compatible containers include bottles with 25mm to 85mm diameter and height up to 100mm. All product contact parts are made of SS316 for easy cleaning and cGMP compliance.

What are the key features and benefits of this machine?

Key features include:

Dual hoppers and twin auger heads for higher output and minimal downtime
Compact GMP model with SS316 contact parts
PLC control with “No Bottle – No Fill” system
Linear conveyor design with vibration-free heavy steel structure
Tool-less changeover and easy cleaning
Integration with capping and labeling lines

Benefits: Higher efficiency, reduced labor & wastage, excellent accuracy for challenging powders, and strong ROI.

Is the Double Hopper Powder Filling Machine suitable for pharmaceutical use and what maintenance does it require?

Yes, it is a fully cGMP-compliant machine suitable for pharmaceutical, food, and nutraceutical industries. It meets hygiene standards with easy-to-clean SS316 parts. Maintenance is minimal — regular cleaning of hoppers, augers, and funnels is recommended. Humidity should be controlled below 30% RH for best accuracy. Tool-less design and quick changeover help reduce downtime significantly.

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