Dynamic Weighing and Sorting System for Logistics Courier Services

• Customization: Available
• After-sales Service: Provided
• Application: Logistics
• Model NO.: DWS-WG
• Product Name: Dynamic Weighing and Sorting System
• Configuration: Flexible
• Lead Time: Depends on Requirement
• Warranty: 12 Months
• Shipping: by Sea
• Package: Seaworth
• Transport Package: Crate
• Specification: 10 CBM
• Trademark: WG
• Origin: China
• HS Code: 8479894000
• Production Capacity: 200
• Package Size: 300.00cm * 200.00cm * 100.00cm
• Package Gross Weight: 1000.000kg

Product Description

Product Description

 

Dynamic Weighing and Sorting System

A Dynamic Weighing and Sorting System is an advanced automated solution used in industrial and commercial settings to measure the weight of products in real-time and sort them based on predetermined criteria without interrupting the production flow. These systems are critical in various sectors such as food processing, logistics, pharmaceuticals, agriculture, and manufacturing, where high-speed, accurate, and efficient product handling is essential.

1. System Overview

At its core, a dynamic weighing and sorting system consists of two primary components:

1. Dynamic Weighing (Checkweigher): This component measures the weight of products while they are in motion, usually on a conveyor belt. Unlike static weighing systems that require the object to be stationary, dynamic systems allow for continuous throughput, increasing speed and efficiency.
2. Sorting Mechanism: Based on the measured weight or other parameters such as shape, size, or barcode, the system automatically sorts items into designated bins or routes them to different conveyors for further processing or packaging.

The system operates seamlessly to ensure that every product meets the specified standards, and any item falling outside acceptable thresholds is automatically rejected or directed appropriately.

2. Key Components and Functionality

A typical dynamic weighing and sorting system includes:

a. Conveyor System

The conveyor is the foundation of the system, transporting products at a controlled speed through the weighing and sorting zones. The design ensures product stability to minimize measurement errors.

b. Load Cell (Weighing Unit)

This is the most critical part of the weighing process. A load cell senses the force exerted by the product as it passes over the weighing belt and converts it into an electrical signal, which is then interpreted to determine the product's weight.

c. Controller Unit

The controller is a programmable logic controller (PLC) or industrial computer that processes data from the load cell and makes real-time decisions based on predefined parameters. It may also connect to a human-machine interface (HMI) or a network system for monitoring and data collection.

d. Sensors and Encoders

Photoelectric sensors detect the presence of products and trigger the weighing cycle. Encoders may also be used to determine product position and control conveyor speed to ensure accuracy.

e. Sorting Mechanism

Based on sorting criteria, this can take various forms such as:
Air jets (used in lightweight applications)
Pushers or diverters
Drop-down chutes or flaps
Robotic arms (for high-precision or delicate handling)

f. Data Management System

Modern systems often integrate with Manufacturing Execution Systems (MES) or Enterprise Resource Planning (ERP) platforms to provide real-time production data, generate reports, and support traceability and compliance.

3. Operational Workflow

Product Entry: Products are placed or arrive on the infeed conveyor, where sensors detect their presence.
Weighing Process: As products pass over the weighing section, the load cell captures their weight dynamically.
Data Analysis: The controller compares the weight with preset thresholds (minimum, maximum, nominal).
Decision Making: If the weight falls within the acceptable range, the product continues on its path. Otherwise, it is flagged for sorting.
Sorting Action: The product is directed to a specific location-rejection bin, reprocessing line, or packaging-based on its classification.
Logging and Reporting: Each action and data point is logged in the system for traceability, compliance, and performance analysis.

4. Applications Across Industries

a. Food and Beverage

Used to check the weight of packaged food items like snack packets, bottled drinks, or meat trays, ensuring correct labeling and preventing underfilled or overfilled products.

b. Logistics and Courier Services

Dynamic weighing is employed to determine shipping costs and automate parcel sorting based on weight and destination.

c. Pharmaceuticals

Ensures accurate dosing in tablets or liquid containers and rejects any product outside the prescribed weight limits.

d. Manufacturing

Identifies defective or incomplete products by weight deviation and ensures only quality-assured items proceed down the line.

e. Agriculture and Produce

Weighs and sorts fruits, vegetables, or grains by size and weight to meet market requirements or packaging standards.

5. Benefits of Dynamic Weighing and Sorting Systems

High Throughput: Continuous operation without stopping the production line maximizes efficiency.
Accuracy and Consistency: Advanced sensors and processing algorithms ensure precise weight measurement.
Cost Efficiency: Reduces labor requirements and minimizes waste through automated quality control.
Traceability and Compliance: Generates audit trails and reports for regulatory compliance (e.g., food safety standards).
Flexibility: Easily adaptable to various product types, weights, and sorting criteria.
Quality Assurance: Helps maintain brand reputation by ensuring only products meeting standards reach consumers.

6. Challenges and Considerations

Despite their advantages, implementing a dynamic weighing and sorting system requires attention to several factors:
Calibration and Maintenance: Regular calibration of load cells is necessary to ensure ongoing accuracy.
Environmental Conditions: Dust, vibration, temperature changes, and moisture can affect performance and must be managed with suitable enclosures and design.
Product Orientation: Irregularly shaped or unstable products may cause weighing errors; careful system design or the use of stabilizers is essential.
Integration with Existing Systems: Compatibility with current conveyor lines, software, and control systems must be assessed.
Initial Investment: These systems can be capital-intensive, though they provide significant long-term ROI.

7. Technological Trends

The field of dynamic weighing and sorting is rapidly evolving, with innovations such as:
Artificial Intelligence (AI): Machine learning algorithms improve sorting decisions by analyzing historical data and identifying patterns.
IoT Connectivity: Real-time data sharing and remote diagnostics improve system management.
Vision Systems: Combining weighing with visual inspection to detect labeling errors, packaging defects, or color sorting.
Modular Designs: Allow for easy upgrades and maintenance, and faster integration into existing lines.
A dynamic weighing and sorting system represents a vital component of modern automated production and logistics environments. By enabling accurate, high-speed measurement and classification of products in motion, these systems not only enhance operational efficiency but also ensure quality control, regulatory compliance, and customer satisfaction. As industries move toward more intelligent and connected solutions, dynamic systems are becoming smarter, more precise, and more integral to maintaining competitive advantage.
 

Product Parameters

Size and package size can be customized 

Specifications: Sheet metal structure

Conveyor belt/weighing table: speed adjustment 0.8 - 1.3 m/s

Optimal delivery speed: >3500 pieces/hour @600mm package

Weighing sensor: 4-point sensing, range 0.1-30KG, accuracy [email protected]/s

Scanning camera: ID6200 20 million pixel dynamic intelligent code reader; Depth of field> 60cm [highest and lowest package height difference]; Code reading rate: 99.99%; Frame rate: 10fps

Volume measurement camera: DL2125 line laser stereo camera, dynamic volume measurement, accuracy: < 10mm@regular object

Industrial computer: Core I7 + 16G memory • 1T solid state drive + win10 system, AOC monitor

Other hardware: beam sensor, manual emergency stop and start/stop buttons, three-color alarm light, buzzer, keyboard and mouse, control box

Power supply: 220V 50Hz, made to order