Modular Cleaning Head Waterproofing for Hose-Wash Reliability

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Solution Overview

Problem

Conveyor belt cleaning systems face issues with water ingress leading to corrosion, damage, and electrical failures due to cleaning with water hoses, posing safety risks and causing machine downtime.

Innovation Solution

The system is configured with comprehensive waterproofing techniques, using gaskets and sealed connections to prevent liquid entry into electrical and mechanical components, ensuring IP56 protection against water and debris, with actuators and motors positioned externally to the control panel to enhance sealing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the cleaning system is cleaned with a water hose, then cleaning effectiveness is improved, but water enters electrical components causing corrosion and damage

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidelectrical component integrity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The control panel is segmented from the cleaning system body through a dedicated opening with gasket sealing. This separation allows the control panel to be protected from water ingress while the cleaning system can be thoroughly cleaned with water hoses, resolving the contradiction between cleaning effectiveness and electrical component protection.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A gasket acts as an intermediary sealing element between the control panel and the backing plate frame. This gasket creates a waterproof barrier that allows water to be used for cleaning the external surfaces while preventing water from reaching the electrical components inside the control panel.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If the control panel is integrated with the cleaning system body, then device complexity is reduced, but water can enter through openings causing damage

Engineering Contradiction:
Improveintegration levelVSAvoidprotection from water ingress
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The control panel is designed as a separate, segmented component with its own dedicated opening and gasket sealing system. This segmentation maintains a simple overall structure while creating a distinct protected zone for electrical components, preventing water ingress without requiring complex integration.

Inventive Principle:
Principle #1Segmentation

3Device complexity

If actuators are positioned inside the control panel, then device complexity is reduced, but additional openings are created allowing water entry

Engineering Contradiction:
Improvecomponent arrangementVSAvoidwater exposure to actuators
Core Design Contradiction:
Device complexityVSObject-affected harmful factors

Solution Approach 1:

The actuators are extracted from the control panel and positioned outside it. This extraction eliminates the need for additional openings in the control panel, thereby maintaining the waterproof integrity of the control panel while still allowing the actuators to function in controlling the cleaning head.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS12350718B2Waterproofing of a modular head cleaning system
Publication Date: 2025.07.08 CROSSFORD INTERNATIONAL LLC
  • US12350718B2 patent drawing
  • US12350718B2 patent drawing
  • US12350718B2 patent drawing

AI summary

A conveyor belt cleaning system is configured with waterproofing techniques throughout its entire body to prevent liquid from entering liquid-sensitive portions of the cleaning system, thereby reducing machine downtime or destruction. The conveyor belt cleaning system has a touchscreen control panel (i.e., a computing device) that controls the modular cleaning system's operations and one or more actuators that facilitate directional movement of the modular cleaning head. The control panel is comprised of the display, such as a touchscreen display, and the various computer-related components that effectuate the computer's operations, such as one or more processors (CPUs, GPUs, etc.), long and short-term hardware-based memory devices such as Flash memory, ROM (Read-Only Memory), RAM (Random Access Memory), etc., network interface cards (NICs) for Wi-Fi, Bluetooth® and other wired and wireless forms of communications, among other operational components.