Width measuring device for longitudinal stretching machine

CN224317004UActive Publication Date: 2026-06-02ORIENTED-FILM INNOVATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ORIENTED-FILM INNOVATION TECH CO LTD
Filing Date
2026-04-21
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The lack of an outlet width detection function in the longitudinal stretching machine makes it impossible to monitor diaphragm width fluctuations in a timely manner, affecting the stable operation of the production line and product quality. Furthermore, traditional detection devices lack effective dust protection structures, reducing detection accuracy.

Method used

A width measuring device adapted to a longitudinal tensioning machine was designed, which includes a detection camera and a line light source. The line light source can be flexibly switched and the closing mechanism can be automatically closed through a lifting mechanism, ensuring detection accuracy and convenient maintenance.

Benefits of technology

It enables real-time, non-contact detection of diaphragm width, improving the stability and detection accuracy of the production line, and automatically preventing dust adhesion during shutdown or maintenance, ensuring the cleanliness of the equipment and the space for maintenance operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of width measuring device suitable for longitudinal pulling machine, including support;Support fixed installation is in the wallboard top side of longitudinal pulling machine export place;The middle part of support is fixed with detection camera;The bottom side of detection camera is provided with linear light source for diaphragm top surface lighting, linear light source is connected with lifting mechanism;Lifting mechanism makes linear light source switch in two states of being close to diaphragm or away from diaphragm;The bottom of detection camera is provided with lens, and closed mechanism is arranged on the lens;Lifting mechanism is connected with top frame by connecting frame, and push strip is fixed on top frame, and push strip is located the bottom of input end of closed mechanism. Through the cooperation of detection camera and linear light source, linear light source provides lighting for diaphragm top surface, forms obvious light and shade contrast between diaphragm and background, provides clear condition for image acquisition of detection camera;Detection camera identifies diaphragm left and right edge position through the diaphragm of transverse line-by-line scanning continuous movement, and diaphragm width can be obtained in real time and non-contact.
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