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Large-scale horizontal curved-track overhead conveyor system for painting lines

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Large-scale horizontal curved-track overhead conveyor system for painting lines
Large-Scale Horizontal Curved-Track Overhead Conveyor System for Painting Lines
This industrial conveyor system is designed for continuous overhead transport of metal, plastic, and other workpieces through complete coating processes, including automated surface pretreatment and subsequent spraying and drying operations.
Equipment Overview
The system enables efficient, stable material movement through coordinated operation of curved tracks and conveyor chains. Parameters such as variable-frequency speed and timing are controlled via PLC or industrial computer, allowing workpieces to undergo multi-stage processing according to preset programs.
Key Advantages
  • Automation: Eliminates manual handling throughout the process; supports continuous automated assembly-line production for large-tonnage and oversized workpieces
  • High Precision: Programmable control of track curvature angles and chain speeds ensures workpiece stability and consistent process spacing
  • Energy Efficiency: Track lubrication reduces friction; anti-derailment features and variable-frequency speed control significantly lower operational energy consumption
  • Application Areas: Automotive manufacturing, heavy machinery, home appliance hardware, aerospace, and other industries requiring stable cross-area overhead transport
Process Flow
Loading (Hanging) → Pretreatment Zone Transport → Large Horizontal Curved Track Transition → Dehydration/Drying Zone Transport → Spraying Zone (Powder/Liquid) Transport → High-Temperature Curing Zone Transport → Cooling Zone Horizontal Turn → Unloading
Main Structures and Components
Component Specifications
Conveyor Chain High-strength heavy-duty drop-forged chain, No. 5 overhead chain, or power-and-free dual-track chain; adjustable speed (0.5-5 m/min)
Rotation Mechanism Large horizontal curved-track wheel/corner wheel assembly with large-radius arc guide rails and automatic workpiece rotation device
Track Structure High-strength I-beams or specialized manganese steel profile tracks with supporting steel frames; modular design
Drive Unit Motor and reduction gear driving the master sprocket to circulate the traction chain
Tensioning Device Applies stable pre-tension to the traction chain and compensates for chain elongation
Support Systems Oil collection troughs, chain debris collectors, and automatic lubrication with high-pressure atomizing nozzles
Intelligent Control System
The system features PLC control with touchscreen HMI, enabling synchronized operation across multiple drive points and variable frequency speed control for the entire production line.
System Features
  • High Cost-Performance Ratio: Optimized track layout and high-efficiency drive structures deliver exceptional value
  • Advanced Equipment: Multi-drive synchronization and large-radius horizontal curves reflect modern enterprise standards
  • High Adaptability: Adjustable chain speeds and flexible horizontal curve radii accommodate current and future production requirements
  • Quality Compliance: Strict adherence to ISO 9001 quality management system ensures rigorous quality control
Safety Features: Emergency stop buttons, full-line anti-drop netting/frames, insulated anti-slip maintenance platforms, and waterproof/explosion-proof electrical cabinets.