Automatic PU Sandwich Panel Production Line With Auto Stacker

The fully automatic pu sandwich panel production line is a modern building panel production system that integrates material conveying, foaming molding, composite pressing, cutting and stacking. The pu sandwich panel line adopts PLC control system and industrial robot technology to achieve full automation production from raw materials to finished products. The specially equipped automatic stacker crane greatly improves production efficiency and product quality consistency.

sandwich panel line

Core component modules

• Automatic feeding system
  Automatic unwinding device for bimetallic coil (galvanized steel sheet/aluminum magnesium manganese alloy)
  Polyurethane raw material automatic metering and mixing system (precise ratio of A/B components)
  Online pre-processing unit (cleaning, passivation, coating)

• Continuous foaming molding section
  High pressure foaming machine (mixing head temperature control ± 0.5 ℃)
  Double track continuous laminating machine (pressure adjustable 0.1-0.5MPa)
  Temperature control system (segmented heating adjustable from 20-80 ℃)

• Intelligent cutting unit
  Servo driven CNC flying saw (cutting accuracy ± 0.5mm)
  Visual recognition positioning system
  Automatic waste recycling device

• Automatic stacking system
  Six axis robotic stacker crane (load capacity ≥ 500kg)
  Intelligent sorting algorithm (maximum stack height of 3.5 meters)
  Anti dumping and stabilizing device

Key technical parameters

• Production line speed: 3-12 meters/minute adjustable
  

• Product width: 600-1200mm (customizable)
  

• Board thickness: 30-200mm
  

• Daily production capacity: ≥ 5000 ㎡ (8-hour meter)
  

• Power consumption: Main motor 75kW (peak)
  

• Compressed air consumption: 0.6m ³/ min@0.7MPa

Automatic stacker crane technology

• Mechanical structure
  Adopting a high rigidity aluminum alloy frame structure
  Equipped with a dual-mode grasping system of vacuum suction cup and mechanical fixture
  Integrated weighing sensor (accuracy ± 0.2kg)

• Intelligent control system
  Product recognition algorithm based on deep learning
  Adaptive stacking path planning
  Collision detection and avoidance function

• Security protection
  Regional laser scanning protection
  Emergency stop dual circuit design
  Overload automatic protection device

Technological advantages

• Quality assurance
  Density deviation ≤ 3% (national standard 8%)
  Flatness ≤ 1mm/m
  Uniformity of bubbles ≥ 95%

• Energy conservation and environmental protection
  The heat recovery utilization rate reaches 65%
  VOC emissions<50mg/m ³
  Waste recycling rate>90%

• Flexible production
  Complete product specification switching within 3 minutes
  Supports storage of over 100 formulas
  Compatible with different core materials such as rock wool and glass wool

The fully automated polyurethane sandwich panel production line is particularly suitable for the production of large building insulation panels, cold storage panels, and clean room partition panels. Through fully automated operations, it significantly reduces labor costs (saving more than 60% of labor) while ensuring high consistency in product quality. It is an ideal choice for modern building materials production.