A viscous medium preparation device and a viscous medium preparation method

A viscous medium and preparation device technology, applied in the direction of mixing methods, chemical instruments and methods, transportation and packaging, etc., can solve the problems of limited range of options and inability to meet the forming requirements of parts, and achieve stable pressure values ​​and simple structures , easy-to-operate effect

Active Publication Date: 2022-01-07
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The molecular weight of the viscous medium produced by the standard is fixed, and the range of options is limited, which cannot meet the increasingly complex forming requirements of parts. Therefore, it is necessary to temper the viscous medium with different properties for formed parts with different structural characteristics.

Method used

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  • A viscous medium preparation device and a viscous medium preparation method
  • A viscous medium preparation device and a viscous medium preparation method
  • A viscous medium preparation device and a viscous medium preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0060] Such as Figure 6 to Figure 8 As shown, six injection channels 60 are arranged on the medium bin 10, and three kinds of viscous mediums 80 with molecular weights of 100kg / mol, 300kg / mol, and 900kg / mol are selected and loaded into six respectively according to the ratio of 4:5:1. Injection channels 60, that is, every two injection channels 60 inject viscous medium 80 of the same molecular weight, start the pressure rods 70 in the six injection channels, and inject viscous medium 80 into the medium chamber 10, during the process of injecting viscous medium 80 , the multiple sub-holes 61 of the injection port change the viscous medium 80 gathered into a group in the injection channel 60 into filaments and inject it into the medium chamber 10, so that the contact area between viscous media 80 of different molecular weights is increased, so that various molecular weights The viscous medium 80 in the medium bin 10 is initially mixed; after the viscous medium 80 is injected in...

Embodiment 2

[0062] Such as Figure 6 to Figure 8 As shown, three injection channels 60 are arranged on the medium bin 10, and three viscous mediums 80 with molecular weights of 200kg / mol, 700kg / mol, and 800kg / mol are selected and loaded into three respectively according to the ratio of 3:3:4. Injection channels 60, start the pressure rods 70 in the three injection channels, inject the viscous medium 80 into the medium chamber 10, during the process of injecting the viscous medium 80, the multiple sub-holes 61 of the injection port will gather the injection channels 60 into one The viscous medium 80 of agglomerate becomes filiform injection in the medium storehouse 10, makes the contact area increase between the viscous medium 80 of different molecular weights, thereby makes the viscous medium 80 of various molecular weights initially mix in the medium storehouse 10; To the medium storehouse 10 After injecting the viscous medium 80, the viscous medium 80 in the medium chamber 10 is pressed...

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Abstract

The present application provides a viscous medium preparation device and a viscous medium preparation method, wherein the viscous medium preparation device includes: a medium chamber, a push rod, a fine-hole plate, an extrusion die, and a pressure sensor. The fine hole plate is arranged between the extrusion die and the medium bin, and is located at the discharge port, and the fine hole plate is provided with a plurality of through holes. The extrusion die has a mixing channel, and the caliber of the inlet of the mixing channel is larger than the caliber of the outlet of the mixing channel. The pressure sensor is arranged on the extrusion die for detecting the pressure at the outlet of the mixing channel of the extrusion die. The viscous medium preparation device provided by this application is mixed and prepared through the mixing channel of the fine-hole plate and the extrusion die for multiple times. Viscous medium to meet different forming needs.

Description

technical field [0001] The present application relates to the technical field of viscous medium, in particular to a viscous medium preparation device and a viscous medium preparation method. Background technique [0002] Viscous medium pressure forming is a soft mold forming method developed in recent years. It uses polymer material (viscous medium) as the force transmission medium. The polymer material has the characteristics of semi-solid, flowable, certain viscosity and strain rate sensitivity. The non-uniform pressure distribution and tangential viscous adhesion stress in viscous medium deformation are important mechanical properties different from other soft molds, and are closely related to the properties of viscous medium materials. Therefore, selecting viscous medium with suitable molecular weight is the key to viscous medium pressure forming. The molecular weight of the viscous medium produced by the standard is fixed, and the range of options is limited, which cann...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F25/45B01F35/80B01F35/71B01F23/47B01F23/45
CPCB01F23/45B01F23/47B01F23/40B01F25/45B01F25/451B01F25/4522B01F25/4521B01F35/712B01F35/80
Inventor 王忠金冯业坤
Owner HARBIN INST OF TECH
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