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Supercritical fluid assisted rapid foaming equipment for plastics

A technology of supercritical fluid and foaming equipment, applied in the field of foaming equipment, can solve the problems of different foaming rate and time, uneven heating rate of samples, poor crushing and processing effect, etc., so as to save foaming time and improve uniformity. And the effect of speed and improving heating uniformity

Inactive Publication Date: 2022-06-28
DONGGUAN HAILEX HIGH POLYMER MATERIAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the foaming equipment foams plastic samples, the sample is often placed directly into the equipment to heat and foam, and the sample has a thickness, which may easily lead to uneven heating rates inside and outside the sample, and the foaming rate time varies; and the equipment is in Poor effect on crushing and processing of foamed initial samples

Method used

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  • Supercritical fluid assisted rapid foaming equipment for plastics
  • Supercritical fluid assisted rapid foaming equipment for plastics
  • Supercritical fluid assisted rapid foaming equipment for plastics

Examples

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Effect test

Embodiment 1

[0032] see figure 1 , a kind of supercritical fluid-assisted rapid foaming equipment for plastics of the present invention, a lower mold 1, the left end of the lower mold 1 communicates with the gas source tank 2 through a transmission pipe 3, and is arranged on the upper mold 5 at the left and right ends of the lower mold 1 And the hydraulic cylinder 4 can be used to control the upper mold 5 to move up and down, and the cooling channel pipe 11 used to receive the external cooling air source, and the cooling channel pipe 11 is arranged around the interior of the lower mold 1, and the top of the upper mold 5 is provided with a pressure for monitoring the air pressure. Table 6. The upper mold 5 is provided with a power cord 7 at the rear end, the lower mold 1 is provided with a pressure relief valve 9 at the front end, and a controller 10 is installed on the left end of the upper mold 5. The lower mold 1 and the upper mold 5 are provided with heating Thermocouple for air in inte...

Embodiment 2

[0037] In a supercritical fluid-assisted rapid foaming device for plastics of the present invention, the lower frame 81510 matches the inner space of the upper frame 8157, and the upper frame 8157 is provided with multiple groups of conveying pipes 8159.

[0038] The present invention provides a supercritical fluid-assisted rapid foaming device for plastics through improvement, and its working principle is as follows;

[0039] First, when using the device, first place the device in the working area, and then connect the device to an external power supply, which can provide the required power for the device to work;

[0040] Second, when foaming the plastic, the sample can be placed in the first processing cavity 82 inside the casing 81, dropped to the middle of the left crushing wheel 87 and the right crushing wheel 88, and the output motor 810 can be started to apply power to drive The guide roller 86 rotates. During the rotation of the guide roller 86, it can drive the left ...

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Abstract

The invention discloses supercritical fluid assisted rapid foaming equipment for plastics, which comprises a lower mold and a transmission pipeline, and is characterized in that a conveying assembly is arranged at the upper end of an upper mold, a left bevel gear set and a right bevel gear set are arranged, so that a sample can be crushed, subsequent heating of the sample is facilitated, and the heating uniformity and speed of the sample can be improved; the foaming effect is further enhanced; when a sliding plate drives a right crushing wheel, a right bevel gear set and a bearing plate to move, the bearing plate drives a bevel gear, rotationally connected with the bearing plate, in the right bevel gear set to slide in a limiting sliding groove, so that the distance between the right crushing wheel and the crushing wheel at the two ends is adjusted, and the sizes of crushed particles of samples are adjusted; and the uniform mixing frame transmits heat on the surface of the heated plate to the sample crushed aggregates in the uniform mixing frame.

Description

technical field [0001] The invention relates to the related field of foaming equipment, in particular to a supercritical fluid-assisted rapid foaming equipment for plastics. Background technique [0002] Plastic is a polymer compound that is made of monomer as raw material and polymerized by addition or polycondensation reaction. Its resistance to deformation is moderate, between fiber and rubber. The supercritical state is a special fluid. Near the critical point, it has great compressibility. Appropriately increasing the pressure can make its density close to that of ordinary liquids, so it has great compressibility. Good performance of dissolving other substances, for example, n-alkanes can be dissolved in supercritical water. On the other hand, the viscosity of supercritical state is only 1 / 12 to 1 / 4 of that of ordinary liquids, but its diffusion coefficient is 7 to 1 / 4 larger than that of ordinary liquids. 24 times, similar to gas, foaming equipment can be used to assi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C44/34B29C44/60B29B13/10
CPCB29C44/3496B29C44/60B29B13/10
Inventor 徐小军易浩周照杨刘润红
Owner DONGGUAN HAILEX HIGH POLYMER MATERIAL SCI & TECH CO LTD
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