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PET preform wall thickness measuring device

A technology of wall thickness measurement and preform, applied in the direction of mechanical thickness measurement, etc., can solve the problems of high measurement requirements, poor anti-electromagnetic interference ability, poor measurement accuracy, etc., and achieve the effect of mutual compensation

Active Publication Date: 2020-03-10
GUILIN UNIV OF ELECTRONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods have some disadvantages, such as poor measurement accuracy and low efficiency of direct measurement method, which cannot meet the requirements of industrial detection; Hall effect method has poor anti-electromagnetic interference ability and high measurement requirements.

Method used

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  • PET preform wall thickness measuring device
  • PET preform wall thickness measuring device
  • PET preform wall thickness measuring device

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Experimental program
Comparison scheme
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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Such as Figure 1 to Figure 7 As shown, the PET preform wall thickness measuring device of the present invention includes an optical fiber fixing device and a Y-shaped optical fiber 9; the optical fiber fixing device includes a curved bottom plate 10, a curved installation chute 1, an angle adjustment shaft 7, a lock Tighten the nut 8, and the two ends of the arc-shaped bottom plate 10 are provided with an adjustment shaft 4;

[0024] The two ends of the arc-shaped installation chute 1 are provided with connecting blocks 3; the adjustment shaft 4 is equipped with at least three arc-shaped installation chutes 1; the two ends of the arc-shaped installation chute 1 are provided with connecting blocks 3. The bottom of the arc-shaped installation chute 1 has an opening 11; the connecting block 3 is provided with a through hole, and a bushing 5 is arr...

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Abstract

The invention discloses a PET bottle preform wall thickness measuring device which can be used to measure different specifications of PET bottle preform wall thicknesses and can be used to measure different curvatures of PET bottle performs. The PET bottle preform wall thickness measuring device comprises an optical fiber fixing device and a Y-type optical fiber. The optical fiber fixing device comprises an arc base plate, an arc installation chute, an angle adjusting shaft and a locking nut. The optical fiber fixing device can be used to realize equiangular interval adjustment. The PET bottlepreform wall thickness measuring device can realize multipoint real-time measurement to a PET bottle preform wall thicknesses so that measuring efficiency is increased. Simultaneously, the optical fiber fixing device can adjust the relative position relationship among optical fibers to meet the requirement of measuring the different specifications of PET bottle preform wall thicknesses by the optical fibers so as to realize the measurement of the different curvatures of PET bottle preforms.

Description

technical field [0001] The invention relates to the technical field of optical fiber sensing, in particular to a PET bottle blank wall thickness measuring device. Background technique [0002] Well known: PET (polyethylene terephthalate, (C 10 h 8 o 4 ) n ) has many advantages and is widely used in various daily necessities packaging. In the process of making PET bottles, the quality of PET preforms directly affects the quality of PET bottles, and the wall thickness of PET preforms is an important indicator for evaluating the quality of PET preforms. Therefore, it is particularly important to measure the wall thickness of PET preforms. At present, there are many measurement methods for PET preform wall thickness, such as direct measurement method, Hall effect method, ultrasonic measurement method, capacitance measurement method, optical image processing method and so on. However, these methods have some shortcomings, such as poor measurement accuracy and low efficiency...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/06
CPCG01B5/06
Inventor 熊显名冯程成曹育良张文涛张丽娟胡放荣
Owner GUILIN UNIV OF ELECTRONIC TECH
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