Gravity-Fed Conveyor Belt Sanitation System
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Solution Overview
Problem
Conveyor belts at checkout lines in stores become dirty and contaminated, particularly with food items, posing safety risks and requiring frequent cleaning, which disrupts operations and affects productivity and profits.
Innovation Solution
An automated cleaning and sanitation system for conveyor belts using a brush, roller, and wiper, with a gravity-fed liquid cleaning solution dispenser, where the roller is submerged in the solution and rotates with the belt to apply and distribute cleaning agents without additional energy input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the conveyor belt is stopped to clean it between customers, then the hygiene and safety are improved, but the productivity and profits deteriorate due to loss of operational time
Solution Approach 1:
The cleaning system is activated before the conveyor belt needs to be stopped for manual cleaning. The automated brush and spray mechanism continuously or periodically cleans the belt surface during operation, preventing contamination buildup that would require operational shutdowns for maintenance cleaning.
Solution Approach 2:
The conveyor belt cleaning system operates autonomously during normal operation. The motor-driven brush automatically contacts and scrubs the belt surface, while spray nozzles automatically dispense cleaning solution, eliminating the need for human intervention and operational shutdowns.
2Reliability
If manual cleaning is performed frequently, then the hygiene is improved, but the operational disruption and time loss worsen
Solution Approach 1:
The automated cleaning system operates continuously or periodically while the conveyor belt remains in use. The brush mechanism and spray system work simultaneously with belt operation, ensuring continuous hygiene maintenance without interrupting the customer service flow.
3Manufacturing precision
If a traditional motor-driven brush cleaning system is used, then the cleaning effectiveness is improved, but the energy consumption and system complexity worsen
Solution Approach 1:
The brush is driven by the friction and contact with the moving conveyor belt itself, rather than an independent motor. As the belt moves, it automatically propels the brush against the belt surface, converting the belt's motion into cleaning action and eliminating the need for separate energy-consuming drive motors.
Solution Approach 2:
The cleaning function is merged with the existing conveyor belt motion system. The brush mechanism is integrated into the belt structure or positioned to contact the belt, utilizing the belt's own movement to drive the cleaning action, thereby combining transportation and cleaning functions into a single energy-efficient system.
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
Enables continuous cleaning and sanitation of conveyor belts during normal operation, reducing the need for user interaction, energy consumption, and extending belt life, while ensuring hygiene and safety by eliminating bacteria and contaminants.
Implementation Method 1
a gravity-fed liquid cleaning solution dispenser; the liquid cleaning solution being dispensed by gravity from a liquid cleaning solution dispenser
Implementation Method 2
the roller being housed within the reservoir and partially submerged in the cleaning solution and such that a portion of the roller is in contact with the cleaning solution while another portion of the roller is in contact with the conveyer belt and is rotated when the conveyer belt moves
Data Source
AI summary
A sanitation apparatus for cleaning a conveyer belt, having a housing; a float in a float chamber; a liquid reservoir; a liquid cleaning solution dispenser holding liquid cleaning solution and positioned above the housing; a tube dispensing the liquid cleaning solution into the float chamber, cleaning elements associated with the housing via a first set of compressible elements biasing the cleaning elements against the conveyer belt; a cylindrical roller connected to the housing via a second set of compressible elements biasing the cylindrical roller against the conveyer belt; the cylindrical roller being contained in the liquid reservoir such that a first portion is exposed to the liquid cleaning solution, and a second portion is in contact with the conveyer belt, engaging the cylindrical roller with the conveyer belt to cause transfer of a movement of the conveyer belt to the cylindrical roller and rotating the cylindrical roller.