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A fixture for monitoring moisture permeability of aluminum-coated film

A technology of aluminized film and moisture permeability, which is applied in the field of fixtures for monitoring the moisture permeability of aluminized film, can solve the problems of poor grasp of tension force, single tensioning method, rupture of aluminized film, etc. Convenient and labor-saving positioning, the effect of reducing damage

Active Publication Date: 2019-05-14
浙江长宇新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the thin thickness of the aluminum-coated film, when testing its moisture permeability, it is necessary to spread the aluminum-coated film flat and tensioned for moisture permeability testing. However, the fixture structure of the current moisture permeability testing device is simple and the tensioning method is single. , Each measurement needs to detect the detection area of ​​the aluminized film, which is inconvenient to use, and the tension force is not well grasped, which may easily cause the aluminized film to break

Method used

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  • A fixture for monitoring moisture permeability of aluminum-coated film
  • A fixture for monitoring moisture permeability of aluminum-coated film
  • A fixture for monitoring moisture permeability of aluminum-coated film

Examples

Experimental program
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Embodiment 1

[0028] as attached figure 1 , 4 , 5, the present invention provides a clamp for monitoring the moisture permeability of the aluminized film, including a beam 1, a hand wheel 2, a magnetic pressure ring 3, a first tensioning cylinder 4, an aluminized film 5, and a second tensioning cylinder 6 , limit plate 7, lead screw nut pair 8, lead screw 9, base 10, support rod 14, gap 17; base 10 upper end is connected with base 10 vertical two support rods 14 through bolt, and support rod 14 tops are welded with a Beam 1, a horizontally rotatable screw 9 is arranged on the beam 1, a hand wheel 2 is arranged on the left end of the screw 9, a screw nut pair 8 is set on the screw 9, and the second tensioning tube 6 is fixed on the beam 1, the first tensioning cylinder 4 and the second tensioning cylinder 6 are respectively provided with a limit plate 7 at the same distance from their respective front ends, and the second tensioning cylinder 6 is provided with a stop along the axis of the s...

Embodiment 2

[0030] The structure of this embodiment is basically the same as that of Embodiment 1, the difference is that: figure 1 , 2 As shown in , 3, the present invention provides a clamp for monitoring moisture permeability of aluminized film, including a beam 1, a first tension cylinder 4, an aluminized film 5, a second tension cylinder 6, a limit plate 7, a base 10, Revolving shaft 11, shaft seat 12, splint 13, pole 14, torsion spring 15, drum 16 and compression bar 18; the upper end of base 10 is connected with two poles 14 perpendicular to base 10 by bolts, and the top of pole 14 is welded There is a crossbeam 1, the second tensioning cylinder 6 is fixedly connected to one end of the crossbeam 1, the first tensioning cylinder 4 and the second tensioning cylinder 6 are respectively provided with a limit plate 7 at the same distance from their respective front faces, and the base 10 A shaft seat 12 is provided at the front and rear ends respectively, and a rotating shaft 11 parall...

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Abstract

The invention provides a clamp for aluminum laminated film moisture penetrability monitoring. The clamp adopts the structure that the upper end of a pedestal is connected with two supporting rods perpendicular to the pedestal through bolts; the tops of the supporting rods are welded with a cross beam; a lead screw capable of rotating transversely is arranged on the cross beam; a hand wheel is arranged on the left end face of the lead screw; a lead screw nut pair is arranged on the lead screw in a sleeving way; a second tensioning cylinder is fixedly connected with one end of the cross beam; a limiting disk is arranged at each position with the same distance between a first tensioning cylinder and the front end face of the first tensioning cylinder as well as between the second tensioning cylinder and the front end face of the second tensioning cylinder; a shaft base is arranged at each of the front end and the back end of the pedestal; a rotating shaft parallel with the axis of the first tensioning cylinder is arranged on the two shaft bases. The clamp can be automatically tensioned under the tensile force of a tension spring without manual tensioning, so damage to an aluminum laminated film is reduced and the aluminum laminated film is convenient and labor-saving in flat pavement; furthermore, the aluminum laminated film can be wound on a rotary cylinder, the aluminum laminated film can be reused if the product detection index is qualified in the detection process, and continuous detection can be conducted.

Description

technical field [0001] The invention belongs to the technical field of aluminized film detection, and in particular relates to a clamp for monitoring the moisture permeability of an aluminized film. Background technique [0002] Aluminized film is a composite flexible packaging material formed by coating a layer of extremely thin metallic aluminum on the surface of a plastic film using a special process. The most commonly used processing method is the vacuum aluminized method, which is to pass high temperature The metal aluminum is melted and evaporated, and the aluminum vapor is deposited on the surface of the plastic film, so that the surface of the plastic film has a metallic luster. Because it has both the characteristics of plastic film and the characteristics of metal, it is a cheap and beautiful packaging material with excellent performance and strong practicability. The aluminum plating process of plastic films generally adopts the direct plating method, that is, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08
CPCG01N15/08G01N2015/086
Inventor 吴明忠吴林海张孝中曾祥平熊燕斌吴建松陆志刚朱佳郑海艳
Owner 浙江长宇新材料股份有限公司