Automated Core Cleaning Apparatus for Web Material Removal
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Solution Overview
Problem
Existing methods for cleaning and recycling cores of sheet material rolls are inefficient and pose safety risks due to the need for manual operation with sharp cutting blades, which can damage cores and result in operator injuries.
Innovation Solution
An automated core cleaning apparatus using an overhead bridge crane with movable cutting blades and electromagnets to slice and remove remaining material from cores without damaging the core surfaces, allowing for full automation and adaptation to varying core lengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual operators use sharp cutting blades to remove remaining sheet material from cores, then the material can be removed, but the core surface may be scored and damaged, turning the core into scrap
Solution Approach 1:
The patent replaces manual mechanical cutting with an automated mechanical cutting system. A cutting blade mounted on a movable arm automatically cuts the remaining web material from the core, eliminating manual intervention. The blade is guided along a predetermined path to ensure precise cutting without damaging the core surface, thus maintaining manufacturing precision while improving productivity.
Solution Approach 2:
The cutting system is designed to automatically position and cut the web material without requiring operator intervention. The movable arm with the cutting blade self-adjusts to the core position and performs the cutting action autonomously, allowing the system to serve itself in the cleaning process while preventing human error that could damage the core.
2Productivity
If manual operators handle sharp cutting blades for core cleaning, then material removal is achieved, but operator safety is compromised due to injury risks
Solution Approach 1:
The patent eliminates human operators from the cutting process by implementing an automated mechanical system. The movable arm with cutting blade performs all cutting operations automatically, removing operators from proximity to sharp blades and eliminating the safety hazards associated with manual blade handling while maintaining or improving cleaning throughput.
Solution Approach 2:
The automated cutting system acts as an intermediary between the web material and the core, performing the dangerous cutting operation without human involvement. The mechanical arm and blade system serves as a safe mediator that handles the hazardous task of cutting sharp web material edges, protecting operators from injury while achieving the desired material removal.
3Ease of operation
If conventional cleaning methods are used, then some material removal is achieved, but continuous operator interface is required to ensure successful removal
Solution Approach 1:
The cutting system is designed to autonomously perform the entire cutting operation without operator intervention. The movable arm automatically positions itself, the blade self-cuts the web material, and the system self-adjusts for different core positions, enabling the apparatus to clean cores independently and continuously without requiring operator monitoring or intervention.
Solution Approach 2:
The automated cutting system enables continuous operation by eliminating interruptions for operator intervention. The movable arm can continuously service multiple cores in sequence, performing cutting operations without pause or manual repositioning, thus maintaining continuous productive action while reducing the need for operator interface.
Data Source
AI summary
An apparatus for automatically removing webbing remnants from unwound cores without damaging the surfaces or ends of the cores. The core cleaning apparatus includes a frame that carries an overhead bridge crane and a cutter frame supporting a movable cutting blade. The overhead crane includes a pair of opposed plugs designed to engage the open ends of the spent core. The cutter frame includes a cutter assembly that has automatically driven horizontally the length of the material webbing of the spent core, thereby cutting excess material webbing from the spent core. The entire operation is managed by a programmable controller without operator intervention.