The pineapple sorting and grading machine is specifically designed for modern pineapple processing plants, integrating advanced optical detection technology and a high-precision weighing system to simultaneously detect and grade pineapple size, color, appearance defects, and weight.
This equipment significantly improves product standardization, meets the grading requirements of different markets, and maximizes the commercial value of each pineapple.
Core Sorting Principles
High-Resolution Photoelectric Sorting System
- Utilizes a multi-spectral or high-definition color camera array to capture complete surface images of each pineapple in 360°.
- Intelligent vision algorithms analyze the pineapple’s color uniformity, ripeness, skin defects (black heart, sunburn, mechanical damage), and crown condition in real time.
- Pineapples can be classified into multiple appearance grades based on customer-defined color thresholds, spot size and quantity, and other criteria.
Dynamic High-Precision Weight Sorting System
- After optical inspection, the pineapples enter the dynamic weighing module.
- Using high-sensitivity sensors and a high-speed processor, it achieves accurate weighing within ±2 grams while the pineapples are in motion.
- The system grades according to preset weight ranges (e.g., 1.0-1.5kg, 1.5-2.0kg, etc.), meeting the needs of export or retail markets that price by weight.
Core Advantages of the Equipment
- Increased Product Added Value: Through precise grading, pineapples of different qualities are directed to the most suitable sales channels (e.g., high-end fresh fruit, general retail, processing raw materials), maximizing revenue.
- Objective and Consistent Sorting Standards: Completely eliminates the subjectivity and fatigue errors of manual sorting, ensuring long-term stable and objective sorting standards, and enhancing brand reputation.
- Remarkable Processing Efficiency: Single-line processing capacity can reach 3000-6000 pineapples per hour, 20-30 times the efficiency of manual sorting, easily handling peak harvest seasons.
- Robust and Durable Industrial Design: The entire machine is made of stainless steel and heavy-duty aluminum profiles, with key components being waterproof and dustproof, adapting to high-humidity and dusty processing environments, ensuring continuous and stable operation 24/7.
Why Choose Us?
We are not just an equipment supplier, but a partner in post-harvest fruit processing solutions.
- Industry Expertise: We possess over 15 years of experience in fruit sorting technology, with a deep understanding of the unique sorting requirements of the pineapple industry.
- Customizable Grading Software: Grading parameters can be preset and adjusted according to your specific market standards (such as the EU, North America, Japan, etc.) or customer requirements.
- Global Technical Support Network: We provide comprehensive support, from installation and commissioning to operation training and remote diagnostics, ensuring your production line runs continuously and efficiently.
Frequently Asked Questions
Q: Can the equipment differentiate between the sweetness or internal quality of pineapples?
A: The standard photoelectric system primarily detects external characteristics. To detect internal sugar content or black heart, you can upgrade to a near-infrared (NIR) spectroscopic analysis module for non-destructive internal quality sorting.
Q: How do you handle different varieties (such as golden pineapples, milk pineapples) or sizes of pineapples?
A: Multiple sorting recipes can be saved in the software. When switching varieties, simply call up the corresponding recipe, adjust the conveyor belt width and sorting parameters. The changeover is usually completed within 10 minutes.
Q: How is the accuracy of the equipment guaranteed?
A: We provide regular calibration services. Operators can also use standard test samples daily for quick verification to ensure that the optical and weighing systems are always in optimal condition.
Q: Can it be connected to existing cleaning, labeling, and packaging lines?
A: Absolutely. The equipment’s inlet and outlet heights are adjustable, and the design considers seamless integration with upstream and downstream equipment, providing a complete turnkey solution for post-harvest pineapple processing.
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