Mold of plastic density sheet for molding test

A technology of density sheets and plastics, applied in the preparation of test samples, measuring devices, strength characteristics, etc., can solve problems such as inaccurate results, low work efficiency, and affecting production progress

Inactive Publication Date: 2009-07-01
SHANGHAI KINGFA SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, there are defects in these two samples: the former is accurate but very cumbersome, and can only test one material at a time, which has low work efficiency and affects the production progress; the latter is generally 0.5g because the weight of the melting finger does not meet the standard requirements. About, and the standard requires 1g-5g, resulting in inaccurate test results

Method used

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  • Mold of plastic density sheet for molding test
  • Mold of plastic density sheet for molding test

Examples

Experimental program
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Embodiment Construction

[0009] As shown in the figure, the mold of the plastic density sheet for the tablet forming test is a mold plate 1 with a plurality of circular holes 3 of the same size and regular distribution, and a matching demoulding base plate 2; The circular hole 3 is in the shape of an inverted truncated cone, and the demoulding bottom plate 2 is provided with a boss 4 matching the circular hole 3 .

[0010] How to use: Put a solid steel plate under the mold plate 1, and put plastic particles into the round holes 3 respectively. Then put a solid steel plate on top of the mould, put it into an electric vulcanization forming machine for tablet forming. After the molding is completed, as long as the demoulding bottom plate 2 is placed on the lower part, and the bosses 4 on all the demoulding bottom plates 2 are aligned with the round holes 3 on the corresponding abrasive plate 1, the pressed sample can be removed from the round hole 3 break away.

[0011] In actual use, the mold can form...

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Abstract

The invention relates to a mould for plastic density sheet used in table pressing test, which is characterized by comprising a mould plate (1) regularly provided with a plurality of round holes (3) of same size and a demould bottom plate (2) fit with the mould plate (1), wherein the round holes (3) are in the form of inverted frustums, and the demould bottom plate (2) is provided with a boss (4) fit with the round holes (3). The mould has simple structure, the weight of shaped plastic table meets standard, and the mould can shape a plurality of plastic tables and can shape different plastics tables in one time, thus being suitable for density detection in production.

Description

technical field [0001] The invention relates to a plastic mold, in particular to a mold for a plastic density sheet used for tablet forming testing. Background technique [0002] For the modified plastics industry, product density is an item that must be monitored during the production process. Currently, the samples used to test the density are generally injection molded specimens, or melt finger strips used for testing melt fingers. to test the density. However, there are defects in these two samples: the former is accurate but very cumbersome, and can only test one material at a time, which has low work efficiency and affects the production progress; the latter is generally 0.5g because the weight of the melting finger does not meet the standard requirements. About, and the standard requires 1g-5g, resulting in inaccurate test results. Contents of the invention [0003] The purpose of the present invention is to provide a mold that can solve the drawbacks of the above...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N3/00
Inventor 戴阁青陆体超
Owner SHANGHAI KINGFA SCI & TECH
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