Pleated Filter Strip Cutting With Automated Pleat Counting
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Solution Overview
Problem
Manual counting of pleats in air filter production is time-consuming and prone to errors, leading to faulty filters.
Innovation Solution
A pleated filter preparation system with a pleat driver, pleat counter, punch cut station, and pleat compressor that automates the process of counting pleats, cutting, and compressing filter strips to form accurate air filters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual counting and marking of pleats is used, then device complexity is reduced, but manufacturing precision and productivity deteriorate due to time consumption and human error
Solution Approach 1:
The patent replaces manual mechanical counting with an automated optical sensing system. Sensors detect pleat positions optically, and a controller automatically counts and identifies target pleats, eliminating human error while maintaining manageable system complexity through modular design
Solution Approach 2:
The system performs self-counting and self-positioning of pleats without external intervention. The sensors automatically detect pleat positions, the controller autonomously counts them, and the system self-identifies target pleats for cutting, reducing the need for complex external control mechanisms
2Manufacturing precision
If automated pleat counting system is implemented, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
The automated system is divided into distinct functional modules: sensors for detection, a controller for counting and decision-making, and a punch cut station for execution. This segmentation allows each component to be optimized independently while maintaining overall system manageability and precision
Solution Approach 2:
The controller acts as an intermediary between the sensors and the punch cut station. It processes sensor data, performs pleat counting, identifies target pleats, and sends cutting commands, thereby coordinating the automated process without requiring direct complex interaction between all system components
3Productivity
If manual cutting process is used, then ease of operation is maintained, but productivity deteriorates due to time consumption
Solution Approach 1:
The system performs preliminary actions by pre-counting pleats, pre-identifying target pleats, and pre-positioning the cut station before actual cutting occurs. This automation accelerates production while maintaining operational simplicity through intuitive system control and automatic execution
Data Source
AI summary
A pleated filter preparation system is provided for accurately counting pleats along a continuous sheet of pleated filter material and cutting the sheet into filter strips to be formed into filters. The pleated filter preparation system includes a pleat driver having multiple drive gears that engage with the pleats of the pleated filter material to move the pleated filter material through the system. A pleat counter counts peaks and valleys of each pleat comprising the pleated filter material so as to identify a target pleat to be cut. The pleat counter clamps and stretches the target pleat to distinguish the target pleat among the other pleats. A punch cut station cuts the target pleat to form a filter strip having a desired number of pleats. A pleat compressor compresses the filter strips to a predetermined size and then ejects the filter strips into a suitable container or bin.