System and method for filament separation and quality evaluation

A technology for quality evaluation and filaments, applied in the field of separation and detection, can solve the problems of low efficiency, time-consuming, and difficulty in identifying clumps of filaments such as shredded tobacco, and achieve the effect of improving efficiency

Active Publication Date: 2022-08-02
XIAMEN YIJIACHENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the development of computer technology and the advancement of image recognition technology, machine vision can recognize certain objects and locations, but it is difficult to recognize clusters of filaments such as shredded tobacco, and it is also difficult to stack several shredded tobaccos together through machine learning. split into single root
Therefore, at present, the separation and quality evaluation of filaments such as shredded tobacco mainly rely on manual work, resulting in low efficiency and time-consuming defects.

Method used

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  • System and method for filament separation and quality evaluation
  • System and method for filament separation and quality evaluation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] like figure 1 As shown, a system for separation and quality evaluation of filaments includes an air ejector 1, a sieve tray 2, a slotted airflow disperser 3 and a conveyor belt 4, and the two sieve trays 2 are layered sequentially from top to bottom Arrangement, and the sieving aperture of the upper sieve tray 2 is greater than the sieving aperture of the lower sieve tray 2, and each described sieve tray 2 is provided with a gap air diffuser 3, and the gap centerline of the gap air diffuser 3 and The plane of the sieve tray 2 is a projection angle, and the projection angle is an acute angle. The filaments on top move parabolically and settle to different areas on the conveyor belt 4 .

[0031] Also includes a camera 5 and a machine vision analysis module 6, the camera 5 is located above the conveyor belt 4 and is aimed at the conveying surface of the conveyor belt 4, and the machine vision analysis module 6 is used to identify the characteristics of the filaments and ...

Embodiment 2

[0037] A method for filament separation and quality evaluation, the method is realized by a system for filament separation and quality evaluation described in Embodiment 1, and specifically includes the following steps:

[0038] S1, airflow impact and throwing: use the airflow ejected from the air jet 1 to impact upward and dissociate the filamentous mass, and the dissociated filamentous mass is dispersed downwards and outwards;

[0039]S2. Vibration classification of sieve tray 2: the filaments are scattered on the sieve tray 2 of the uppermost layer, and under the action of vibration force, sieve from the sieve tray 2 of the uppermost layer to the sieve tray 2 of the lowermost layer step by step, Complete the classification of the filaments from large to small; wherein, the sieve tray 2 of the lowermost layer does not vibrate;

[0040] S3. Air dispersion in the gap: in the order from top to bottom, each air diffuser 3 in the gap blows up the filaments in the sieve tray 2 loc...

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Abstract

The invention discloses a system and a method for filament separation and quality evaluation. The method comprises the steps of airflow impact and throwing, sieve tray vibration classification, crack airflow throwing, conveyor belt movement expansion and dispersion and filament identification and classification statistics. According to the system and the method, separation and quality evaluation of filaments are realized, and the defect that manual separation of filament clusters and statistics of a large number of pictures are very time-consuming is overcome.

Description

technical field [0001] The invention relates to the technical field of separation and detection, in particular to a system and method for separation and quality evaluation of filaments. Background technique [0002] Filament-like objects refer to objects whose width in the width direction is much smaller than their length in the length direction, and which are light and thin, such as shredded tobacco and filamentous tea leaves. By controlling the thickness and grading of the filaments, the quality of the filaments is controlled. Cut tobacco is the key control object in the process of making cigarettes. The thickness and shape of cut tobacco will affect the burning speed and harmful gas content of cut tobacco. Generally, slender shredded tobacco with a width of about 0.8 mm is of good quality, while wider shredded tobacco, several stacked shredded tobacco, and meshed shredded tobacco are inferior shredded tobacco. Cutting tobacco leaves into shredded tobacco is the key step...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C19/06B02C23/14B07B1/28B07C5/02B07C5/10B07C5/34B07C5/342A24B3/16
CPCB02C19/06B02C23/14B07B1/28B07C5/10B07C5/34B07C5/342B07C5/02A24B3/16Y02W30/66Y02P90/30
Inventor 徐方成
Owner XIAMEN YIJIACHENG TECH CO LTD
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