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Injection-molding mold-filling flow system for visualizing polymer melt

A flow system and polymer technology, applied in the field of visual polymer melt filling flow system, can solve the problems of inability to observe the movement state of fine heterogeneous particles, low mold service life, high operating cost, etc., and achieve low construction and operating costs , Compact structure, simple operation

Active Publication Date: 2015-05-13
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] According to the shortcomings of the existing polymer melt flow visualization device and method in the above-mentioned injection molding stage, such as complex structure, high operating cost, low mold service life, and inability to observe the movement state of fine heterogeneous particles in the melt, the present invention proposes a A new visualization device with simple structure, convenient operation, and economical feasibility for observing and studying the flow behavior of polymer melts and fine heterogeneous particles in them

Method used

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  • Injection-molding mold-filling flow system for visualizing polymer melt
  • Injection-molding mold-filling flow system for visualizing polymer melt
  • Injection-molding mold-filling flow system for visualizing polymer melt

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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 1As shown, a visual polymer melt injection mold filling flow system includes two closed-loop circuits, wherein the first circuit includes a closed container 7 connected in sequence, an adjustable flow pump 8, a first reversing valve 9, a flow rate Gauge 10, inlet pressure gauge 11, transparent mold tooling 27, outlet pressure gauge 20, throttle valve 19, second reversing valve 18, airtight container 7, the second loop includes airtight container 7 connected in sequence, adjustable flow pump 8. The third reversing valve 17 and the airtight container 7.

[0024] The visualized polymer melt injection molding filling flow system also includes a residue discharge and residual material recovery system. The residue discharge and residual material recovery system includes a high-pressure gas source 1, a pressure regulating valve 2, and a ...

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Abstract

The invention discloses an injection molding mold-filling flow system for visualizing a polymer melt. The system comprises a reversing valve, a control device, a camera, an image processing system, a closed container, a flow adjustable pump, a flow meter, two pressure gauges, a transparent die fixture, a throttling valve, a pressure pipeline and a communication wire or a cable, wherein the pressure pipeline and the communication wire or the cable are used for connecting the parts. The system provided by the invention has the main function of realizing visual analysis of a melt flow law under the conditions of different injection flows and injection pressures; and the system has the remarkable characteristics that the movement of fine particles in fluid can be clearly observed, and has the characteristics of compact structure, simplicity in operation, less energy consumption, low construction and running cost and the like.

Description

technical field [0001] The present invention relates to a visual monitoring system for fluid filling flow process, in particular to a visual polymer melt filling flow system for injection molding process, which can be used for quantitative observation of polymer melt flow behavior and melt flow behavior during injection molding filling process. The law of migration and movement of heterogeneous solid particles. Background technique [0002] The polymer melt filling process is an important stage of the injection molding process. The melt flow state during the filling process directly affects the orientation of the polymer polymer chain, the crystallization behavior of the melt, the orientation and distribution of heterogeneous particles in the melt, etc. Thus affecting the microstructure of the polymer plastic and the mechanical properties of the final shaped product. In addition, the instability of the filling process can easily lead to surface defects such as injection mar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/76B29C45/46B29C45/26
Inventor 王桂龙赵国群管延锦
Owner SHANDONG UNIV
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