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Special fixing device for air permeability flow rate disc detection of tobaccos

The invention relates to a fixing device and air permeability technology, which is applied in the field of the fixing device for the calibration of the air permeability flow disc for tobacco, and can solve the problems of inconvenience in the calibration of the flow disc.

Active Publication Date: 2012-06-27
ZHENGZHOU TOBACCO RES INST OF CNTC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Since there are many types of paper air permeability meters currently used, the manufacturers are different, the years are different, and the models are different, which leads to the shape and size of the air permeability flow discs used for calibration on various paper air permeability meters. As a result, custom-made special fixing devices have to be used to fix the flow discs with different air permeability, which makes the verification work of the flow discs very inconvenient

Method used

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  • Special fixing device for air permeability flow rate disc detection of tobaccos
  • Special fixing device for air permeability flow rate disc detection of tobaccos
  • Special fixing device for air permeability flow rate disc detection of tobaccos

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Embodiment Construction

[0028] The present invention will further describe its structure and working principle process below in conjunction with accompanying drawing

[0029] like figure 1 , 2 Shown: the tobacco-specific air permeability flow plate verification fixture device of the present invention includes an upper base 6 and a lower base 2 respectively fixed on the frame 1, and an upper positioning block 9 with a central through hole is connected to the upper base on the seat 6, and can be turned up around the turning pin 7, the specific connection relationship is: the upper positioning block 9 is connected with the upper base 6 through a connecting piece 5, and the upper positioning block 9 is fixed on the connecting piece 5, and the connecting piece 5 is connected to the upper base 6 through the turning pin 7. During use, the upper positioning block 9 turns upwards around the pin shaft 7 together with the connecting piece 5 . Two manual toggle clamps 8 for pressing down the upper positioning...

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Abstract

The invention relates to a special fixing device for the air permeability flow rate disc detection of tobaccos. The special fixing device is characterized by comprising an upper base seat and a lower base seat which are respectively and fixedly arranged on a machine frame, wherein an upper positioning block provided with a center through hole is connected onto the upper base seat and can be upwards turned around a turning shaft pin, a lower positioning block provided with a center through hole is arranged on the lower base seat, in addition, the upper surface of the lower positioning block isprovided with a cylindrical sinking cavity, a flow rate disc to be measured can be placed between the upper positioning block and the lower positioning block, pressure measuring openings communicatedwith the center through holes of the corresponding positioning block are respectively arranged on the side walls of the upper positioning block and the lower positioning block, and the lower matchingsurface of the upper positioning block and the upper matching surface of the lower positioning block are respectively provided with sealing rings. Through the special fixing device, the air permeability flow rate disc is fixed, is tightly clamped by an elbow clamp and is sealed by rubber sealing rings, only corresponding fittings in the upper positioning block and the lower positioning block needto be replaced for different flow rate standard elements, and in addition, different-type air permeability flow rate discs of different manufacturers can be fast replaced through opening the elbow clamp and turning the upper positioning block of the flow rate disc around the turning shaft pin to be opened.

Description

[0001] technical field [0002] The invention relates to testing equipment used in the tobacco production industry, in particular to a fixing device for the verification of the air permeability flow disk dedicated to tobacco, which can be used for the air permeability flow disk standard parts of different brands of different brands of tobacco-specific paper air permeability flow disks currently in use in the industry Fixed when checking. [0003] Background technique [0004] In the tobacco industry, air permeability is an important physical index of cigarette paper such as cigarette paper, forming paper and tipping paper. Various cigarette factories and tobacco paper companies are using different brands of various types of paper air permeability testers to measure Measure the air permeability of cigarette paper, forming paper, tipping paper and other materials. [0005] The relevant standards for air permeability measurement methods mainly include tobacco industry stan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F25/00
Inventor 苗芊赵航张勍杨荣超范黎陈连芳马明蒋锦锋陈燕苗向阳
Owner ZHENGZHOU TOBACCO RES INST OF CNTC
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