The Powder Weighing & Filling Machine is a gravimetric dosing unit designed for precise batch filling of dry particulate and powdered substances. By integrating real-time load cell monitoring with an automated feeding mechanism, this equipment eliminates density-driven weight fluctuations inherent to volumetric fillers. It caters to global food, chemical, and agricultural packaging operations requiring tight tolerance control across mid-to-large dose ranges.
Material Compatibility
Food Products
Accommodates flour, spices, ground coffee, milk powder, and dry seasoning blends without clumping.
Agricultural Supplies
Handles granular fertilizers, synthetic crop nutrients, and dry animal feed supplements.
Chemical Compounds
Processes industrial chemical powders subject to material compatibility and safe handling standards.
Fine Particulates
Configurable feed systems adapt to varying angle of repose, particle size distribution, and flowability.
Operational Sequence
Hopper Storage: Raw material feeds from the holding tank into the main dosing channel.
Gravimetric Monitoring: Dual-channel load cells measure weight accumulation in real time.
Target Comparison: Digital microcontrollers continuously compare current mass to the target setpoint.
Automated Cut-Off: Feed gates close instantly upon target arrival to prevent overfill before product release.
Technical Specifications
|
Parameter |
Performance Standard |
|
Filling Range |
50–5000 g |
|
Dosing Accuracy |
±1% |
|
Operating Speed |
10–25 fills/min |
|
Maximum Throughput |
Up to 600 bags/hour |
|
Power Supply |
220V ±10%, 50Hz |
|
Power Consumption |
30 W |
|
Dimensions (L×W×H) |
400 × 300 × 960 mm |
|
Net Weight |
80 kg |
Core Components
Load Cell Assembly: Delivers continuous mass feedback for precise closed-loop weight control.
Agitation Hopper: Prevents material bridging and maintains uniform product density at the feeder intake.
Dosing Nozzle: Directs powder discharge directly into rigid containers or flexible pouches to minimize dust.
Control Interface: Stores recipes, adjusts target weight setpoints, and displays live operational data.
System Selection Criteria
Target Mass: Defines necessary load cell resolution and drive motor torque settings.
Flow Dynamics: Determines whether vibration, screw augers, or pneumatic agitation are needed.
Bulk Density: Influences feed gate aperture size and total cycle duration per fill.
Container Type: Dictates nozzle diameter and mechanical mounting interfaces for bags or jars.
Line Integration
Standalone Operation
Functions as a manually loaded station for batch packing runs.
Automated Packaging Lines
Integrates with conveyor systems, pouch sealers, and outer cartoners via standard I/O signals.
Vacuum Sealing Synchronization
Interfaces directly with downstream vacuum sealing machinery for oxygen-sensitive goods.
Material Handling Dynamics
Bridging Prevention
Mechanical agitators disturb cohesive particles to ensure consistent feed funneling.
Density Fluctuations
Gravimetric control adjusts dosing times automatically when bulk density varies between supply batches.
Dust Containment
Enclosed nozzles reduce particulate suspension during high-speed discharge.
Electrical & Utility Support
Power Adaptation: Transformers accommodate local industrial single-phase voltage requirements.
Plug Standardization: Terminal connections ship configured to regional electrical standards.
Control Protocol: Standard digital interfaces simplify integration with centralized line controllers.
Factory Configuration Parameters
Dosing Range Setup: Calibrated to specific target weight bands before shipment.
Interface Customization: Display software offers multi-language support and custom batch counting functions.
Nozzle Sizing: Outlet diameters match customer-specified pouch neck dimensions.
Quality Assurance & Testing
Static Calibration: Multi-point weight checks verify load cell linearity across the 50–5000 g scale.
Dynamic Run Testing: Dry-run cycling confirms target repeat accuracy at maximum operating speeds.
Component Inspection: Electrical enclosures undergo voltage stability and grounding checks prior to packing.
FAQ
Q: What is the standard weight capacity of this machine?
A: The standard configuration operates between 50 g and 5000 g, with customizable load cell configurations for other dose requirements.
Q: How does the machine maintain filling accuracy?
A: It uses real-time gravimetric feedback from integrated load cells to cut off material flow at ±1% of the target setpoint.
Q: Can the equipment handle non-free-flowing powders?
A: Yes, the hopper can be equipped with mechanical agitation units to assist cohesive materials through the dosing channel.
Q: What details are required to obtain a detailed technical proposal?
A: Provide the bulk material characteristics, target fill weights, container dimensions, required hourly output, and local power supply specs.
