Automatic Weighing, Bagging & Palletizing for Chemical Raw Materials | LIMA

Automatic Packaging and Palletizing for Chemical Raw Materials

The Challenge: Automating Chemical Packaging

Manufacturers of chemical raw materials, particularly those handling granular or powdery substances like sodium percarbonate (SPC), often face challenges with manual packaging processes. Rising labor costs, inconsistent packaging quality, and slow throughput can impact efficiency and profitability. Automating the weighing, bagging, and palletizing stages is crucial to overcome these hurdles.

The Solution: Integrated Automation Line

A comprehensive, custom-designed automatic packaging and palletizing line provides a robust solution for handling chemical raw materials. This system integrates multiple stages into a seamless process:

1. Automatic Weighing: Precise measurement of material for each bag.
2. Automatic Bagging: Filling and handling of empty and filled bags.
3. Automatic Sealing: Closing the filled bags securely.
4. Automatic Conveying: Transporting bags between stations.
5. Automatic Palletizing: Arranging bags onto pallets for storage and transport.

Key technologies incorporated include bionic multi-joint robotic arms for flexible bag handling, modular weighing units for accuracy, and advanced software for setting custom palletizing patterns.

Core System Integration

The automated line operates through a network of integrated control and monitoring systems, ensuring smooth and reliable performance:

• Automatic packaging and palletizing line control system
• Automatic weighing control system
• Real-time production monitoring system
• Fault monitoring system
• Remote maintenance system

These systems enable fully automated operation and provide remote visibility and control capabilities.

Key Features and Advantages

Implementing an automated packaging and palletizing line offers significant benefits:

• Enhanced Efficiency: Automates labor-intensive tasks, increasing throughput.
• Reduced Labor Costs: Replaces manual workers required for packaging and palletizing.
• Improved Accuracy: Precise weighing and consistent bag handling minimize errors.
• Consistent Packaging Quality: Ensures uniform bag filling, sealing, and pallet stacking.
• User-Friendly Operation: Touchscreen interface allows easy parameter adjustment (e.g., palletizing patterns).
• Remote Management: Wireless monitoring simplifies system oversight and maintenance.
• Increased Safety: Reduces human exposure to potentially hazardous materials and repetitive tasks.

Technical Specifications

The system is designed to handle common chemical packaging requirements with high performance:

Overall System Performance

Parameter	Value	Notes
Max. Palletizing Speed	Up to 2500 bags/hour	For 20-50kg bags
Bag Weight Range	20 - 50 kg/bag	Main focus
Applicable Bag Types	Kraft Paper, Plastic Film, PP Woven

Component Specifications (Typical)

Component	Parameter	Value	Notes
Automatic Weighing	Speed (20-50kg)	Up to 2000 bags/hour	High-speed lines
	Speed (500-1000kg)	10 - 50 bags/hour	Bulk bags
	Accuracy (20-50kg)	±0.1%
	Accuracy (500-1000kg)	±0.05 - 0.1%
Automatic Bagging	Speed (20-50kg)	800 - 1500 bags/hour
	Air Consumption	Approx. 80 m³/hour
	Empty Bag Storage	150 - 200 bags (varies by thickness)
Automatic Palletizing	Speed	Up to 2500 bags/hour	Matches line speed
Stretch Hood Wrapper	Wrapping Speed	Up to 70 pallets/hour	Optional integrated unit

Proven Results: A Case Study

A large sodium percarbonate manufacturer successfully implemented this automatic weighing, bagging, and palletizing line. After five years of continuous operation, the system has demonstrated stable and reliable performance. It effectively replaced the workload equivalent to 12 manual workers, leading to significant labor cost savings and a substantial increase in production efficiency. This particular application resulted in estimated annual savings of approximately 1 million RMB in labor and operational costs.

By automating critical packaging stages, chemical raw material manufacturers can achieve higher efficiency, reduced operational costs, and improved product consistency.