Product Introduction
The Factory Automatic Robot System Stacking Machine is a state-of-the-art industrial automation solution designed for high-efficiency palletizing operations across diverse industries. Engineered with precision servo-driven mechanisms and PLC-controlled automation, this system specializes in transporting, arranging, and stacking bags or cartons onto pallets with speeds of 40–230 units per minute. Its modular SUS304 stainless steel construction ensures compliance with ISO 9001 and CE standards, making it suitable for hygienic environments in food, pharmaceutical, and chemical applications.
Key competitive advantages include:
Cost Efficiency: Priced competitively at 11,000–50,000 per unit, the system offers rapid ROI through labor savings and energy-efficient operation (2.4–3.5kW power consumption).
Adaptability: Handles bags weighing 20–50kg with dimensions of 65–280mm (length) × 30–160mm (width), compatible with woven polypropylene, paper, and biodegradable materials.
Smart Integration: Features a 7" multilingual HMI for intuitive operation, real-time monitoring, and data logging via USB/RS485 ports for production analytics.
Sustainability: Energy recovery systems reduce net consumption by 18–22%, while optional nitrogen flushing extends shelf life for oxygen-sensitive products.
The machine’s high-level design minimizes manual handling, with a maximum stacking height of 1.5–2 meters, ensuring stability during transport.

Technical Specifications
Core Performance Metrics
Speed Range: 40–230 bags/minute (adjustable based on product dimensions and stacking pattern).
Load Capacity: 20–50kg per bag, with a maximum pallet load of 1,200kg.
Pallet Dimensions: Accommodates standard pallets (L1,000–1,200mm × W1,000–1,200mm).
Power Requirements: 220V/50Hz, 2.4–3.5kW;compressed air consumption: 0.3m³/minute at 0.6MPa.
Machine Footprint: 3,700mm (L) × 680mm (W) × 1,450mm (H);weight: 550kg.
Advanced Features
Multi-Lane Configuration: Optional 4-lane setup boosts output to 800+ units/minute for high-volume operations.
Hygienic Design: CIP (Clean-in-Place) compatibility meets pharmaceutical GMP standards, with removable contact parts for deep cleaning.
Safety Systems: Emergency stop buttons, light curtains, and interlocks on access doors comply with EN 415-7 safety directives.
Application Scenarios
Agriculture & Fertilizers
Ideal for stacking 50kg fertilizer bags in pyramid or brick patterns.The system’s precision ensures stability during transport, reducing spillage risks in large-scale farming operations.
Food & Beverage
Handles flour, rice, and animal feed bags with dust-proof enclosures.Optional nitrogen flushing preserves freshness for oxygen-sensitive products like coffee or snacks.
Chemicals & Pharmaceuticals
Palletizes powdered chemicals and raw materials with ±0.5g weight accuracy.PLC-controlled patterns ensure batch traceability for regulatory compliance.
Construction Materials
Stacks cement and sand bags with adjustable compression to prevent deformation.Robust design withstands abrasive materials and high-duty cycles.
Operating Instructions
Pre-Production Setup
Conveyor Alignment
Adjust photoelectric sensors to detect bag positioning accurately. Test with 10–20 empty bags to verify alignment.
PLC Programming
Input stacking parameters (e.g., 5 bags/layer, 6 layers/pallet) via the HMI. Validate with empty cycles before production.
Pallet Loading
Place empty pallets on the outfeed conveyor, ensuring they are centered and level.
Production Workflow
Bag Transport
Bags are conveyed to the lifting mechanism, which elevates them to the stacking height.
Pattern Formation
The rotary arm arranges bags into predefined patterns (e.g., interlocked or columnar).
Pallet Discharge
Completed pallets are conveyed out for wrapping, while empty pallets are auto-fed.
Maintenance Protocols
Daily: Clean residual dust from sensors; inspect sealing jaws for wear.
Weekly: Lubricate chain drives with food-grade grease; calibrate load cells.
Monthly: Replace worn belts; inspect pneumatic lines and electrical connections.

Troubleshooting & FAQs
Common Operational Issues
Misaligned Bags
Cause: Incorrect sensor calibration or conveyor speed mismatch.
Solution: Recalibrate photoelectric sensors; adjust conveyor synchronization.
Inconsistent Stacking
Cause: PLC program errors or mechanical wear in the rotary arm.
Resolution: Update PLC logic; inspect arm bearings for wear.
Pneumatic Failures
Cause: Air leaks or pressure fluctuations.
Fix: Tighten fittings; ensure stable compressor output (0.6MPa).
Frequently Asked Questions
Q1: Can it handle irregularly shaped bags?
Yes, with custom gripper attachments (additional cost). The PLC can adapt stacking patterns for non-standard shapes.
Q2: What is the warranty coverage?
Standard 1-year warranty covers mechanical/electrical components, excluding consumables like belts.
Q3: How to integrate with existing lines?
Supports Modbus RTU or Ethernet/IP for seamless PLC communication with upstream/downstream equipment.

All rights reserved @ Shandong Chengyi Intelligent Equipment Co., LTD. Contact Number: +8613280687000
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