Tamp-Blow Label Applicator Valve System
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Solution Overview
Problem
Existing tamp-blow label applicators require separate air and vacuum sources and specialized components for operation, which can be inconvenient and impractical in certain situations.
Innovation Solution
A tamp pad with an air flow chamber, impact plate, and a valve system that uses a single air flow generator to both draw and blow air through openings for holding and ejecting labels, eliminating the need for separate air and vacuum sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate air and vacuum sources are used to hold and eject labels, then label application functionality is achieved, but device complexity and operational convenience deteriorate
Solution Approach 1:
The patent combines separate air and vacuum sources into a single air flow generator that can operate in both vacuum generation mode and air flow mode. This single device integrates the functions of multiple components, reducing system complexity while maintaining the ability to both hold labels via vacuum and eject them via air flow.
Solution Approach 2:
The air flow generator is designed to perform multiple functions: generating vacuum for label pickup, providing air flow for label ejection, and controlling directional flow through valve systems. This multi-functional design eliminates the need for specialized separate components for each function.
2Reliability
If specialized switching and control components are used to operate multiple air flow sources, then label application control is improved, but device complexity and portability worsen
Solution Approach 1:
Multiple control functions are merged into a single valve system that manages both vacuum and air flow operations. The valve system integrates switching, timing, and control functions that would otherwise require separate specialized components, simplifying the overall control architecture.
Solution Approach 2:
The valve system is designed to automatically switch between vacuum and air flow modes based on operational requirements, reducing the need for complex external control systems. The system self-regulates the air flow direction and timing to achieve reliable label application.
3Reliability
If compressed air sources are used for label ejection, then label application effectiveness is improved, but portability and practicality worsen
Solution Approach 1:
The air flow generator serves as a universal device that can provide both vacuum for label pickup and compressed air for label ejection. This eliminates the need for separate compressed air sources, improving portability while maintaining effective label application capability.
Solution Approach 2:
The patent replaces the need for external compressed air storage systems with an electrically driven air flow generator that produces compressed air on-demand. This substitution of mechanical/compressed air storage with an electrical generation system improves portability and practicality.
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 secure label holding and efficient label application without the need for compressed air or complex control systems, making the system more portable and practical for various applications.
Implementation Method 1
a vacuum is drawn through the vacuum openings to secure the non-adhesive side of the label to the impact plate
Implementation Method 2
blow air through the vacuum openings to blow or eject the label onto the surface
Data Source
AI summary
A tamp pad includes a housing that defines an air flow chamber having an inflow opening and an outflow opening. The tamp pad further includes an impact plate having one or more openings therethrough that are in fluid communication with the air flow chamber and an air flow generator fluidly coupled to the air flow chamber for generating an air flow in a first direction. The tamp pad has a valve system for directing the air flow generated by the air flow generator to draw air into the one or more openings to hold a label thereon and to blow air out of the one or more openings to eject the label from the impact plate.