Rotary Brush Food Coating Conveyor for Uniform Thickness
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Solution Overview
Problem
Existing food product coating devices face challenges in achieving a uniform and controlled thickness of the coating layer, often resulting in poorly covered areas and inconsistent quality.
Innovation Solution
A coating device with a conveyor system featuring rotary brushes that roll food products and a motorized assembly for controlled application of a coating compound, combined with a drying area utilizing airflow to ensure even drying, addresses the issue of uniform coating and thickness control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional conveyor system is used to transport food products during coating, then the device structure remains simple, but the coating quality deteriorates with poorly covered areas and uncontrolled thickness
Solution Approach 1:
The conveyor system employs rotary brushes that rotate to dynamically engage with the food products, causing them to roll and rotate during the coating process. This dynamic mechanical interaction ensures all surfaces of irregularly shaped products are exposed to the coating compound, achieving uniform thickness control while maintaining a relatively simple brush-based structure rather than complex multi-axis positioning systems
Solution Approach 2:
The use of cylindrical rotary brushes creates a curved contact surface that naturally conforms to the shapes of food products. As products roll against the rotating brushes, the curved geometry ensures continuous contact and uniform coating distribution across spherical or irregular surfaces, improving coating precision without requiring complex adaptive mechanisms
2Manufacturing precision
If food products remain stationary during coating application, then the device structure remains simple, but the coating quality deteriorates with uneven coverage and poorly covered areas
Solution Approach 1:
Instead of stationary products, the system dynamically rotates products through rolling contact with rotating brushes. This motion transforms the coating process from a static application to a dynamic multi-angle exposure, ensuring uniform coverage across all product surfaces while using only simple rotary brush mechanisms rather than complex robotic positioning systems
Solution Approach 2:
The rotary brushes act as an intermediary element between the stationary coating compound source and the food products. The brushes transfer the coating material to products while simultaneously rotating the products through their rolling contact, achieving uniform distribution without requiring direct mechanical manipulation of each product
3Manufacturing precision
If coating compound is applied without controlled pressure, then the application process remains simple, but the coating quality deteriorates with inconsistent thickness and coverage
Solution Approach 1:
The system controls coating thickness by regulating the pressure parameter during compound application. By maintaining controlled pressure greater than atmospheric pressure, the system ensures consistent flow rate and uniform deposition on rotating products, achieving precise thickness control while using a relatively simple pressure-regulated application mechanism rather than complex multi-parameter control systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device achieves a high-quality, even coating with controlled thickness on food products, ensuring optimal preservation and appearance by utilizing rotary brushes for uniform application and a powerful airflow for rapid drying.
Implementation Method 1
The airflow member has an air suction inlet and an air discharge outlet and is capable of creating, between the outlet and the inlet, a pressure difference greater than 30 mm of water column
Implementation Method 2
the brushes being provided to make the food products roll during the application of the coating compound
Implementation Method 3
The coating compound comprises one or several filmogenic agents in a solvent
Data Source
AI summary
A device for coating food products, of the type having a coating area includes: a coating conveyor provided to drive said food products in a longitudinal direction; and a device for applying a coating compound on the food products driven on the conveyor. The coating conveyor includes a chassis, a plurality of rotary brushes fastened in the longitudinal direction relative to the chassis, and a motorized assembly for driving the brushes in rotation around respective transverse axes relative to the chassis, the brushes being arranged so as to define, together, a support and driving surface for the food products and being provided to make the food products roll during the application of the coating compound.