Product Overview
The Fully Automatic Eco-Friendly Paper Cup Making Machine is engineered for continuous industrial production of paper cups using PLA-coated, water-based coated, and biodegradable paper materials. It is designed for manufacturers focused on sustainable packaging solutions requiring stable long-term operation, consistent forming accuracy, and reliable sealing performance in high-volume production environments.
The machine integrates paper feeding, ultrasonic side sealing, bottom forming, curling, and automatic stacking into a fully synchronized production system, ensuring stable output while supporting environmentally responsible material transitions.
Features
High-Speed Stable Output (120–150 pcs/min)
Delivers consistent production speeds of 120–150 cups per minute (depending on cup size), with optimized motion control that improves energy efficiency and reduces per-unit production cost by up to 18% compared with conventional mechanical systems.
Heavy-Duty Open-Cam Driving System
Adopts an overhead open-cam structure instead of traditional internal gear systems, providing enhanced mechanical stability, precise synchronization, and a service life exceeding 10 years under continuous industrial operation.
PLC Intelligent Control System
Equipped with an industrial PLC and multi-language touchscreen HMI. Supports real-time production monitoring, automatic fault alerts, paper shortage detection, and self-diagnostic functions for fast maintenance response.
High-Frequency Ultrasonic Sealing System
Uses industrial-grade ultrasonic welding technology to achieve instant, strong, and clean side sealing. Ensures stable sealing performance across PLA, water-based coated, and PE-coated paper without damaging surface printing or coating layers.
Sustainable Material Compatibility
Designed to support next-generation eco-friendly packaging materials under global sustainability requirements:
PLA-Coated Paper: Stable processing for biodegradable, plant-based coatings.
Water-Based Coated Paper: Precise sealing performance without plastic film.
Single & Double PE Paper: Flexible production for conventional market demand.
Technical Specifications
|
Parameter |
Specification |
Notes |
|
Production Speed |
120–150 pcs/min |
Stable operation at ~130 pcs/min |
|
Cup Size Range |
2–16 oz |
Quick mold change system |
|
Paper Material |
150–350 g/m² |
PLA / Water-based / PE compatible |
|
Power Supply |
380V / 50Hz / 3-Phase |
Customizable options available |
|
Total Power |
22 kW |
Energy-efficient VFD system |
|
Air Pressure |
0.4–0.6 MPa |
0.5 m³/min required |
|
Machine Weight |
Approx. 3,500 kg |
Heavy-duty vibration-resistant base |
Working Process
Automatic Feeding & Alignment: Vacuum feeding system ensures precise blank delivery with optical sensor correction for alignment accuracy.
Ultrasonic Side Sealing: High-frequency ultrasonic bonding forms a strong and clean seam instantly.
Bottom Forming & Punching: Material is precisely cut and formed into the cup base with optimized material utilization.
Pre-Heating & Knurling: Dual heating stations activate coating layers, followed by mechanical knurling for leak-proof sealing.
Curling & Automatic Stacking: Top rim curling ensures smooth finishing, and finished cups are automatically stacked for packaging.
Why Choose Sini Machinery
Sini Machinery has over 20 years of experience in paper packaging machinery engineering, focusing on precision manufacturing and continuous innovation for global industrial clients.
Certified Manufacturing System: ISO9001:2015 production management and CE-compliant export machines.
Full Load Testing: Each machine undergoes continuous 72-hour high-speed testing before shipment.
Engineering Support: Remote technical assistance and optional on-site installation and training services.
OEM / ODM Customization
Custom mold design for different cup structures and dimensions
Integration with downstream systems such as inspection and packaging lines
Turnkey production line solutions for full factory setup
Frequently Asked Questions
Q: How long does a complete mold changeover take?
A: With our modular tooling design, a trained technician takes 4 to 6 hours for a full size-overhaul. Sini provides specialized alignment jigs, detailed video manuals, and live video support from our engineers to guide your local team.
Q: What type of after-sales support do you offer for international clients?
A: All Sini machines feature a 12-month warranty on core components. We offer lifetime remote technical support via PLC internet connectivity (optional module) and can dispatch technicians for on-site installation, commissioning, and staff training upon request.
Q: Can this machine run eco-friendly paper materials continuously?
A: Yes. The ultrasonic sealing system is designed to maintain stable performance with PLA-coated and biodegradable paper during long production cycles.
Q: What is the main difference compared to traditional heat sealing machines?
A: Ultrasonic sealing reduces dependence on high temperature, improving stability when processing eco-coated paper materials with different thermal behavior.
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