Online Cigarette Packet Airtightness Testing With Conveyor Probes
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Solution Overview
Problem
Existing methods for detecting cigarette packet airtightness are limited to offline laboratory analysis, preventing real-time quality control on a production line.
Innovation Solution
A system comprising a conveyor belt system with detection boxes and probes that allow for on-line, packet-by-packet airtightness detection using a detection probe, gas flow conducting device, and pressure monitoring to identify leaks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If offline laboratory analysis methods are used for detecting cigarette packet airtightness, then measurement precision can be achieved, but productivity is reduced because packet-by-packet detection on production line cannot be realized
Solution Approach 1:
The patent replaces manual offline laboratory analysis with an automated online detection system that uses a probe to measure pressure changes in cigarette packets during production. The system substitutes mechanical/manual operations with automated sensing and data processing, enabling real-time quality control without sacrificing measurement precision.
Solution Approach 2:
The patent introduces an intermediary detection system positioned between the production line and quality control processes. This intermediary system uses sensors and pressure measurement devices to bridge the gap between manufacturing and quality assurance, enabling continuous monitoring without disrupting production flow.
2Reliability
If offline detection methods are implemented, then quality tracing of sealing degree can be realized, but online quality control cannot be achieved
Solution Approach 1:
The patent implements continuous online detection of cigarette packet airtightness during production, rather than intermittent offline sampling. The detection system operates continuously along the production line, providing real-time quality data that enables immediate quality control decisions and maintains continuous production flow.
Solution Approach 2:
The patent establishes a feedback loop where detection results are immediately processed and used to control quality. The system provides real-time feedback on packet sealing quality, enabling automated rejection of defective packets and continuous adjustment of production parameters to maintain quality standards.
3Device complexity
If conventional detection systems are used, then device complexity remains low, but the ability to perform packet-by-packet detection on production line is lost
Solution Approach 1:
The patent divides the detection system into modular segments that can be integrated along the production line. Each detection unit independently measures individual packets, allowing the system to scale with production capacity while maintaining manageable complexity through standardized modular components.
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 high-throughput, real-time quality control of cigarette packet airtightness, ensuring consistent product quality and guiding manufacturing improvements.
Implementation Method 1
a pressure monitoring element connected to the gas flow conducting device to monitor a pressure change of the gas flow conducting device
Implementation Method 2
a gas flow conducting device arrange at the center of the sealing device and communicating with said slit during the detection so as to provide a constant suction gas flow to the interior of the detection box cover
Data Source
AI summary
The present invention provides a system for on-line detecting the package airtightness of cigarette packet, which comprises a first conveyor belt; a plurality of detection box bases arranged on the first conveyor belt at preset intervals, wherein the cigarette packets are sequentially conveyed onto each detection box base; a second conveyor belt arranged above the first conveyor belt, and the central plane of the second conveyor belt being in coincide with the central plane of the first conveyor belt; a plurality of detection box covers arranged on the second conveyor belt at preset intervals, wherein each detection box cover is provided with a slit on one side face, and the detection box cover positioned on the lower end face of the second conveyor belt is cooperated with the detection box base directly below the second conveyor belt during the detection; and a detection probe aligned with the slit during the detection so as to detect the package airtightness of the cigarette packet positioned within the detection box cover through the slit. The detection system can detect the package airtightness of the cigarette packet on line packet by packet at high throughout, thereby realizing on-line quality control.