Mobile Control Panel for Folding Carton Gluing Machine Safety
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Solution Overview
Problem
Folding box gluing machines pose safety risks to operators due to moving parts like overtaking hooks, and existing safety measures, such as light curtains, restrict accessibility and do not adequately prevent operator injury when increasing machine speed.
Innovation Solution
A mobile control panel that requires both hands to deactivate the safety device, using pressure switches or capacitive measurement to ensure safe operation, allowing operators to observe processes while maintaining hand protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a light curtain safety device is installed to protect operators from moving parts, then operator safety is improved, but machine accessibility is worsened
Solution Approach 1:
The control panel is made mobile rather than fixed, allowing it to be dynamically repositioned based on operational needs. This resolves the contradiction by enabling the safety system to adapt its position - providing protection when needed while allowing access when the panel is moved to a different location.
Solution Approach 2:
The control panel is positioned on a mobile cart that can move along the machine's length, adding a spatial dimension to the safety system's accessibility. This allows operators to access the control panel from different positions along the machine without compromising safety functionality.
2Reliability
If the light curtain is activated at high speeds to ensure safety, then operator protection is improved, but the operator's ability to observe and adjust machine processes is worsened
Solution Approach 1:
The mobile control panel enables dynamic repositioning that allows operators to move closer to machine processes for observation while maintaining safety. The panel's mobility creates a flexible safety boundary that can be optimally positioned based on both safety requirements and observation needs.
3Reliability
If fixed safety barriers are installed to protect from moving parts, then safety is improved, but device complexity is worsened
Solution Approach 1:
Replacing fixed safety barriers with a mobile control panel reduces structural complexity. Instead of installing permanent barriers throughout the machine, a single mobile unit provides the necessary safety function, simplifying the overall machine structure while maintaining protection.
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
Enhances operator safety by ensuring both hands are engaged during safety device deactivation, minimizing the risk of injury and maintaining accessibility to the machine, even at higher speeds.
Implementation Method 1
the mobile control panel has appropriate contacts. If the mobile control panel is only operated with one hand, i.e. on a contact, the safety device is not deactivated.
Implementation Method 2
the mobile control panel has appropriate contacts. If the mobile control panel is only operated with one hand, i.e. on a contact, the safety device is not deactivated.
Data Source
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AI summary
The invention relates to a folding carton gluing machine for processing folding carton blanks. Such machines consist of at least one inserter for loading subsequent processing stations, a folding station, an adhesive applicator, a transfer station, a collecting and pressing unit, and a safety device for a potentially hazardous machine component in the form of a light curtain. The safety device can be deactivated via a mobile control unit, which is designed to be operated with both hands.