Product Overview
The Intelligent Double PE Paper Cup Forming Machine is designed for continuous industrial production of double-side PE coated paper cups used in beverage packaging systems requiring stable sealing strength and consistent forming accuracy.
Double PE coated paper has higher thermal resistance and bonding complexity compared with single-side coated material. This requires precise coordination between heating distribution, pressure timing, and forming synchronization.
This system is built to maintain stable production quality under long-cycle operation, ensuring consistent cup integrity even when material density, coating behavior, or ambient temperature varies during production.
The design focuses on process stability, forming precision, and continuous output efficiency for industrial-scale manufacturing environments.
Key Features
Ultrasonic Side Sealing System
High-frequency ultrasonic bonding ensures firm seam sealing without damaging the paper structure, delivering a stable vertical seam.
Servo-Controlled Bottom Cutting System
Independent servo drive ensures precise cutting control with minimal material waste and high utilization efficiency.
Multi-Point Intelligent Sensor Monitoring
Photoelectric sensors monitor feeding, forming, and transfer status in real time to prevent abnormal operation and ensure production continuity.
Enclosed Oil-Bath Lubrication System
Key transmission components operate in a continuous lubrication environment, reducing wear and extending service life during long-cycle operation.
Industrial PLC Control System
Standardized PLC control with touch interface ensures stable operation, easy maintenance, and production parameter adjustment flexibility.
Technical Specifications
|
Item |
Specification |
|
Material Compatibility |
150–350 g/m² double-side PE coated paper |
|
Production Speed |
80–110 pcs/min (cup size dependent) |
|
Cup Range |
2.5 oz – 16 oz (customizable) |
|
Power Supply |
380V / 220V, 50Hz / 60Hz |
|
Total Power |
12–18 kW |
|
Air Pressure |
0.4–0.6 MPa |
|
Air Consumption |
≥ 0.6 m³/min |
|
Heating System |
Multi-zone independent temperature control |
|
Control System |
PLC intelligent control with touch interface |
|
Machine Structure |
Rotary multi-station synchronized system |
|
Machine Weight |
Approx. 2800–3600 kg |
Machine Structure
The system adopts a modular rotary platform integrating:
Automatic paper feeding and alignment module
Dual-side PE thermal sealing unit
Precision cup body forming station
Bottom punching and heat sealing system
Reinforcement knurling mechanism
Rim curling forming station
Automatic stacking and output conveyor
Each module operates in continuous synchronized rotation, ensuring stable forming cycles without interruption.
Working Principle
Material Feeding & Positioning: Double PE coated paper is automatically fed and accurately aligned.
Side Sealing: Controlled heating and pressure form a stable side seam.
Cup Forming: Rotary molds shape the cup body continuously.
Bottom Sealing: Bottom paper is inserted and sealed through coordinated heat-pressure control.
Structural Reinforcement: Knurling strengthens the bottom structure for load resistance.
Rim Forming: The rim is curled to ensure uniform edge geometry.
Output & Stacking: Finished cups are automatically collected and stacked.
Applications
Cold Beverage Packaging: Chilled soft drink containers, iced coffee cups, and carbonated beverage packaging that require structural rigidity under external surface condensation.
Frozen Food Containers: Ice cream tubs, frozen yogurt cups, and sorbet packaging designed to withstand deep-freeze storage temperatures without layer delamination.
High-Volume Catering Consumables: Takeaway cups requiring strict dimensional consistency for tight-fitting, airtight lid applications.
Customization Capability
Sini Machinery provides structured customization options:
Cup diameter and height adjustment
Production speed configuration
Heating zone optimization
Mold design customization for branding cups
Electrical configuration for regional standards
Production line integration compatibility
Quality Assurance System
Each machine is delivered after structured engineering validation:
Continuous full-load operation simulation testing
Multi-zone thermal balance calibration
Multi-station synchronization accuracy verification
Bottom sealing structural integrity inspection
Electrical system stability and load testing
Pre-shipment operational verification cycle
Packaging & Delivery
FAQ
Q: What is the main difference of double PE cup production?
A: Double PE material requires coordinated thermal control on both surfaces to ensure stable sealing and forming consistency.
Q: Can the machine maintain stable production during long operation cycles?
A: Yes. The system is designed with synchronized mechanical structure and thermal stabilization control for continuous operation.
Q: What cup sizes can be produced?
A: Standard range covers 2.5 oz to 16 oz with customizable mold configurations.
Q: How is sealing stability ensured?
A: Sealing stability is maintained through multi-zone temperature coordination combined with synchronized pressure timing control.
Q: Can production settings be adjusted for different materials?
A: Yes. The control system allows parameter adjustment for different paper thicknesses and coating behaviors.
Q: What maintenance is required?
A: Routine lubrication, heating system inspection, and periodic synchronization calibration are recommended for stable operation.
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