Final Edge Gluing Apparatus for Web Material Logs
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Solution Overview
Problem
Existing apparatus for identifying and gluing the final edge of a log of web material are inefficient, leading to prolonged production times and potential glue deterioration or equipment contamination during storage.
Innovation Solution
An apparatus comprising a loading track, introducing means with blades, a lower and upper belt system, an unwinding roller configuration, and detectors to quickly and accurately identify and glue the final edge, ensuring the glue is applied and covered by the edge to prevent contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the final edge identification process is performed carefully to maintain relative position, then the positioning accuracy is improved, but the production time increases
Solution Approach 1:
The patent replaces manual or mechanical positioning methods with an optical detection system. The detector identifies the final edge position, and the control system automatically adjusts the transfer mechanism to maintain correct relative positioning, eliminating time-consuming manual intervention while preserving accuracy
Solution Approach 2:
The system performs self-positioning through automatic detection and control. The detector continuously monitors the final edge position, and the control system automatically adjusts transfer parameters to maintain correct positioning without requiring external intervention or complex mechanical positioning mechanisms
2Duration of action of moving object
If the web material is stored for long-term storage after gluing, then the production schedule is flexible, but the glue deteriorates and equipment gets contaminated
Solution Approach 1:
The system performs preliminary identification of the final edge position before the gluing operation. By detecting and marking the exact position in advance, the system ensures that gluing occurs at the correct location immediately, eliminating the need for delayed storage and subsequent cutting operations that would expose the glue to deterioration and contamination risks
3Productivity
If the transfer speed between stages is increased to improve productivity, then the production efficiency is improved, but the relative position of the final edge and web material cannot be maintained
Solution Approach 1:
The system implements a feedback mechanism where the detector continuously monitors the final edge position during transfer. The control system receives real-time position data and dynamically adjusts transfer speed and positioning parameters to maintain correct relative positioning, enabling high-speed transfer without sacrificing positioning accuracy
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
The apparatus significantly reduces production times and prevents equipment contamination by ensuring the glue is applied and covered by the final edge, maintaining the relative position of the edge during transfer and storage.
Implementation Method 1
an unwinding detector disposed behind the upper unwinding roller for detecting a final edge of a log of web material
Implementation Method 2
a gluing module disposed adjacent to the second lower roller for gluing the log of web material
Data Source
AI summary
An apparatus (10) for identifying and gluing the final edge of a log of web material is disclosed. The apparatus of the present invention uses an upper unwinding roller (141), a lower unwinding roller (143), an unwinding nozzle (145), and an unwinding detector (147) for identifying the final edge of the log (100) of web material. The log of web material (100) is transferred by an upper belt (162) and a lower belt (166) to a gluing module (18) for gluing the final edge to the log of web material (100).