A tobacco raw material thickness nondestructive testing device based on a pair of lasers

By designing a through-beam laser detection device, utilizing a moving stage and laser detection components, the problem of low efficiency in detecting the thickness of tobacco stems was solved, achieving efficient and accurate multi-sample detection and reducing labor costs.

CN224499414UActive Publication Date: 2026-07-14ZHENGZHOU TOBACCO RES INST OF CNTC
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHENGZHOU TOBACCO RES INST OF CNTC
Filing Date
2025-07-31
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing tobacco stem thickness detection devices are inefficient and cannot meet the needs of high-speed production lines. They also require too much manual intervention. Traditional methods rely on single detection and simple expansion of multi-stage designs, which offer limited efficiency improvements.

Method used

A non-destructive testing device for tobacco raw material thickness based on through-beam laser is adopted. It utilizes a moving stage and laser detection components, and drives the stage to move laterally and longitudinally through a two-stage motion mechanism. Combined with multiple storage compartments and movable pressure plates, it can realize the simultaneous detection of multiple samples, thereby improving detection efficiency and accuracy.

Benefits of technology

It enables a larger number of tests per run, smaller equipment size, significantly improved testing efficiency, reduced labor costs, and allows for multiple and multi-point testing, thereby improving testing accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of tobacco raw material thickness nondestructive testing device based on opposite laser, including support, mobile platform and laser detection component;The mobile platform includes drive mechanism, platform and article grid;The drive mechanism is installed on support and is two-stage movement mechanism, for driving platform moves along horizontal transverse and horizontal longitudinal direction;The platform is transparent material;The article grid is set along transverse and longitudinal direction array, to form several detection areas, and the detection area is used to place tobacco raw material to be measured;The laser detection component includes the control component and a pair of laser detection sensors arranged on support, and a pair of the laser detection sensor is located above and below mobile platform, and the drive mechanism drives mobile platform to move, so that each article grid passes through the thickness detection area between a pair of laser detection sensors one by one.The device has the advantages of more single detection quantity, higher detection efficiency and smaller equipment size.
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