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Fully Automatic Plastic Capping Machine

The Suncrown fully automatic plastic capping machine is specially designed for bottled water, beverages, dairy products, and other production lines. It is suitable for the automatic positioning and efficient capping of various plastic caps. Equipped with an intelligent servo control system, the machine ensures precise and secure capping without jamming or damaging the caps. It operates with high stability and reliability and can be seamlessly integrated with the filling line, significantly enhancing automation and production efficiency.

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Main Structural Features

  • The main structure of the machine is made of SUS304 stainless steel, offering an elegant appearance and long-lasting durability.
  • The cap sorting conveyor’s guiding and fixing mechanisms are patented designs exclusive to our company. The wide contact area between the conveyor belt edge and the pressure plate ensures smooth, stable belt movement and effectively prevents belt misalignment. The scraper section fits closely with the machine’s inner lining, significantly enhancing the cap hooking rate. The machine features a high cap delivery rate, fast speed, and reliable performance.
  • The cap slide rail adopts a patented design. Its side panels are made of SUS304 stainless steel plates, and the slide rail itself consists of five round rods also made from SUS304, which reduces cap movement resistance and eliminates jamming or cap deformation. A fixed reinforcing plate increases rigidity and minimizes deformation. The slide rail also features an adjustable mechanism for better adaptability to different cap sizes.
  • All components in contact with the cans are made from soft materials such as ultra-high molecular weight polyethylene, nylon, rubber, and polyurethane, effectively preventing surface scratches. The machine is highly intelligent, equipped with multiple sensors to detect conditions such as no cap, cap jam, no can, overturned can, or can jam. In such cases, the system automatically stops to ensure precise and stable operation. Once normal conditions resume, the system restarts automatically, improving automation efficiency.
  • The main drive motor uses frequency conversion technology for accurate motion control. The capping drive system adopts a synchronized linkage mechanism to ensure a high capping success rate. The height of the capping head is adjustable to accommodate different can sizes.
  • All pneumatic components are sourced from reputable domestic brands, ensuring long service life and stable performance.
  • The entire system is controlled by a Siemens PLC, with motor speed regulated by a Danfoss frequency converter. All detection switches are imported Autonics brand components. The machine offers a high degree of automation, fast operation speed, and reliable performance.

Advantages of the Capping Machine

  1. Robust Structure:
    The cap sorter frame is constructed from high-quality square steel, ensuring the machine operates with greater stability and durability during use.
  2. Stable Can Separation:
    The large-diameter spiral can separator increases contact area between the cans and the spiral, effectively preventing cans from tipping during separation and providing more stable performance.
  3. User-Friendly Cap Elevator:
    The cap elevator is equipped with a transparent acrylic cover on the upper section, allowing operators to observe the working status during normal production. This aids in understanding the working principle and simplifies maintenance. The main transmission system uses a belt drive, which is easy to disassemble and maintain. The raised portions of the elevator chain are integrally injection-molded with the chain, ensuring they do not detach easily and improving cap lifting stability.
  4. Precise and Stable Can Transport:
    The main belt conveyor is equipped with custom-made high-strength magnets, providing strong magnetic force to stabilize the can movement and ensure accurate can positioning during transport.
  5. Efficient Chain Tensioning System:
    The main transmission chain is fitted with a tensioning device, making chain adjustment simple and consistent. This device ensures uniform tension, leading to smooth transmission and stable performance.
  6. Durable Transmission Components:
    The transmission shafts for both the capping and cap sorting sections are made of SUS304 stainless steel. The gears and sprockets are treated with high-frequency quenching to ensure high strength and extended service life.
  7. Scratch-Free Contact:
    All contact parts between the machine and the can bodies are made of ultra-high molecular weight polyethylene, oil-containing nylon, rubber, or similar soft materials to effectively prevent surface scratches.
  8. Premium Materials and Appearance:
    Over 95% of the machine’s exterior is made of SUS304 stainless steel. All bolts, screws, washers, and other standard fasteners used in assembly are also made of SUS304 stainless steel.
  9. High-Quality Electrical Components:
    All key electrical components come from renowned brands. The PLC (Programmable Logic Controller) is from Siemens (Germany), and the frequency converter is from Danfoss (Denmark). Other electrical parts are also sourced from trusted brands, ensuring high-quality electrical configuration with excellent performance, reliability, and stability.

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