Belt Conveyor Deflection Roller Locking Mechanism
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Solution Overview
Problem
Conventional belt conveyor devices for food products, particularly dough, face inefficiencies due to complex and time-consuming cleaning processes caused by the need to dismantle and reassemble covers for hygiene and safety, which reduces operational efficiency and increases cleaning staff effort.
Innovation Solution
A belt conveyor device with a locking mechanism that secures idler rollers in an operative position, using tamper guards to cover gaps and prevent human contact, allowing for simultaneous removal of anti-trap devices and slackening of the conveyor belt, thereby simplifying the cleaning process and reducing the risk of human injury.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If covers or casings are provided for safety areas, then safety is improved, but cleaning time and complexity increase
Solution Approach 1:
The cover structure is divided into modular sections that can be independently removed and repositioned. Each cover section corresponds to specific safety zones and can be detached without dismantling the entire conveyor system, enabling rapid cleaning access while maintaining safety coverage when assembled.
Solution Approach 2:
The cover system transitions from a static, permanently fixed structure to a dynamic, reconfigurable arrangement. Covers can be quickly assembled and disassembled by cleaning personnel without complex tools or procedures, allowing the system to adapt between operational safety mode and cleaning access mode.
2Reliability
If covers or casings are provided for safety areas, then safety is improved, but device complexity increases
Solution Approach 1:
The cover system is segmented into discrete, standardized components that can be independently installed and removed. This modular approach reduces overall structural complexity compared to a monolithic enclosed design, as each segment can be simplified and standardized for easier manufacturing and maintenance.
3Reliability
If electronic monitoring is used to track cover status, then operational safety is improved, but device complexity and cost increase
Solution Approach 1:
The mechanical cover structure inherently provides safety functionality through its physical presence and design. The covers are engineered to automatically cover safety zones when assembled, eliminating the need for separate electronic monitoring systems. The structure itself serves the safety function without requiring additional sensors, controllers, or monitoring infrastructure.
4Productivity
If idler rollers are secured in operative position, then conveyor performance is improved, but access for cleaning is reduced
Solution Approach 1:
The idler roller positioning system allows dynamic reconfiguration between operational and cleaning states. During normal operation, rollers are secured in fixed positions to maintain conveyor performance. During cleaning, the same rollers can be quickly repositioned or accessed by removing covers, providing flexibility without sacrificing either operational efficiency or maintenance accessibility.
Data Source
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AI summary
A belt conveyor (1) for conveying food products (4) comprising a frame (2), a conveyor belt (3), and a drive device (6) configured to drive the conveyor belt (3). The drive device (6) includes a drive roller (8) configured to drive the conveyor belt (3), a first deflection roller (9) configured to guide the conveyor belt (3), a second deflection roller (10) configured to guide the conveyor belt (3), a first locking device (11) configured to secure the first deflection roller (9) in an operating position (S), and a first engagement guard (12) configured to cover a first gap (13) between the first deflection roller (9) and the conveyor belt (3) when the first locking device (11) secures the first deflection roller (9) in the operating position (S).