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A kind of aluminized pet film moisture permeability detection device

A detection device and a technology of moisture permeability, which are applied in the mechanical field to achieve the effects of convenient operation, reducing interference from external factors and improving accuracy

Active Publication Date: 2015-10-07
山东长宇新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, no detection device specially used for detecting the moisture permeability of aluminized PET film has been found. Moisture permeability device to ensure good moisture permeability of aluminized PET film

Method used

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  • A kind of aluminized pet film moisture permeability detection device
  • A kind of aluminized pet film moisture permeability detection device
  • A kind of aluminized pet film moisture permeability detection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] like figure 1 and 2 As shown, a device for detecting moisture permeability of aluminized PET film includes a base 1 and a column 2 vertically fixed on the base 1. The base 1 is provided with a positioning fixture 7 capable of positioning the aluminized PET film 3. The positioning fixture 7 includes a bottom plate 701, the bottom plate 701 is fixed on the base 1 by screws, the bottom plate 701 is provided with a humidity sensor 4 and a PLC programmable controller 5, the humidity sensor 4 is connected with the PLC programmable controller 5 through a line, and the PLC programmable controller 5 has an output port that can be connected with a computer; the base 1 is also provided with a water spray mechanism 6 that can spray water on the aluminized PET film 3 positioned by the positioning fixture 7, and the water spray mechanism 6 includes a water pump 61 and a nozzle 62 and the connecting hose 63, the water pump 61 is fixed on the base 1, the inlet of the nozzle 62 is conn...

Embodiment 2

[0042] The structure and principle of this embodiment are basically the same as that of Embodiment 1, the difference is that: Image 6 As shown, the positioning fixture 7 includes a support plate 710 fixed on the base plate 701, a positioning rod 711 is fixed on the support plate 710, and a clamping assembly is arranged on the positioning rod 711; The rod 711 is parallel to the tension rod 712 , and the tension rod 712 is connected to the support plate 710 through a bearing 84 , and a clamping groove 705 is opened on the tension rod 712 in the axial direction. The clamping assembly includes a clip 713 fixed on the positioning rod 711, the clip 713 is provided with a fixing bolt, and the clip 713 can be fixed on the positioning rod 711 by the fixing bolt. A rotating knob 707 is fixedly arranged on the tensioning rod 712, an anti-slip strip 709 is provided on the rotating knob 707, a reference block 714 is respectively provided at the left and right ends of the clamp 713, and a ...

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PUM

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Abstract

The invention provides a device for detecting the moisture permeability of an aluminum-plated polyethylenetherephtalate (PET) thin film, belongs to the technical field of machinery, and solves the technical problems that the moisture permeability of the aluminum-plated PET thin film can not be detected and the like in the prior art. The device comprises a base and a vertical column vertically fixed on the base, wherein a positioning clamp capable of positioning the aluminum-plated PET thin film is arranged on the base and comprises a base plate; the base plate is fixed on the base; a humidity sensor and a programmable logic controller (PLC) are arranged on the base plate; the humidity sensor is connected with the PLC through a line; the PLC is provided with an output port connected with a computer; and a water spraying mechanism for spraying water to the aluminum-plated PET thin film positioned by the positioning clamp is also arranged on the base. The device can detect the moisture permeability of the aluminum-plated PET thin film and is high in accuracy.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a detection device, in particular to a detection device for moisture permeability of an aluminized PET film. Background technique [0002] With the improvement of people's living standards, fruit packaging materials have become more and more popular in people's daily life. The fresh-keeping performance of fruit packaging materials has an important impact on product protection, product circulation and shelf sales. [0003] PET film is a kind of packaging film with relatively comprehensive performance. It has good transparency and luster; it has good air tightness and fragrance retention; it has moderate moisture resistance, and its moisture permeability decreases at low temperatures. Moreover, PET film has excellent mechanical properties, its strength and toughness are the best among all thermoplastics, and its tensile strength and impact strength are much higher than ordinary fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08
Inventor 张俊杰吴明忠吴春锋刘华刘明建黄依凡王勇唐海波
Owner 山东长宇新材料有限公司
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