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An ecological stone pressing process

An ecological stone and process technology, applied in the field of ecological stone pressing technology, can solve the problems of increasing the thickness and grinding amount of ecological stone products, prone to cracks, quality impact, etc., achieving good environmental protection effects and convenient recycling. Reuse, fixed thickness and small grinding effect

Active Publication Date: 2020-09-29
FOSHAN DONGPENG CERAMIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the conventional press molding process, since the plastic film or kraft paper is too soft, and the kraft paper absorbs water and is easy to wrinkle during the pressing process, the wrinkled paper is easy to fall into the ecological stone material under a large pressing pressure, and the use of plastic film or kraft paper Increase the thickness and grinding amount of the ecological stone products in the later stage, making the ecological stone products prone to cracks, and the quality is seriously affected

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A method for preparing ecological stone products, comprising the following steps:

[0044] A. Use conventional ecological stone raw material ingredients to mix evenly, and use conventional pulping technology to make ecological stone slurry for later use;

[0045] B. Put the ecological stone slurry in the mold frame and use the conventional texture fabric method to fabricate it. After fabricating, the mold frame will vibrate the bottom surface at high frequency, the vibration frequency is 40Hz, and the vibration time is 5min;

[0046] C. Cover the surface of the mold frame with a rubber sheet, which is made of polyurethane, with a thickness of 3mm and a Shore hardness of 50HD;

[0047] D. Vacuumize and perform flexible pressing, the pressing pressure is 0.3MPa, the pressing cycle is 2min, the vacuum degree is 82kPa, the pressing swing frequency is 30Hz, the vibration frequency is 30Hz, and the amplitude is 10mm, so that an ecological stone molded body is obtained;

[00...

Embodiment 2

[0050] A method for preparing ecological stone products, comprising the following steps:

[0051] A. Use conventional ecological stone raw material ingredients to mix evenly, and use conventional pulping technology to make ecological stone slurry for later use;

[0052] B. Put the ecological stone slurry in the mold frame and use the conventional texture cloth method for cloth. After cloth, the bottom surface of the mold frame is vibrated at high frequency, the vibration frequency is 35Hz, and the vibration time is 5min;

[0053] C. Cover the surface of the mold frame with a rubber sheet, which is made of polyurethane, with a thickness of 4mm and a Shore hardness of 40HD;

[0054] D, evacuate and carry out flexible pressing, the pressing pressure is 0.4MPa, the pressing period is 2min, the vacuum degree is 85kPa, the pressing swing frequency is 20Hz, the vibration frequency is 20Hz, and the amplitude is 15mm to obtain an ecological stone molded body;

[0055] E. Remove the ru...

Embodiment 3

[0057] A method for preparing ecological stone products, comprising the following steps:

[0058] A. Use conventional ecological stone raw material ingredients to mix evenly, and use conventional pulping technology to make ecological stone slurry for later use;

[0059] B. Put the ecological stone slurry in the mold frame and use the conventional texture fabric method to fabricate it. After fabricating, the mold frame is subjected to high-frequency vibration on the bottom surface, the vibration frequency is 35Hz, and the vibration time is 6min;

[0060] C. Cover the surface of the mold frame with a rubber sheet, which is made of polyurethane, with a thickness of 2mm and a Shore hardness of 55HD;

[0061] D, evacuate and perform flexible pressing, the pressing pressure is 0.3MPa, the pressing cycle is 4min, the vacuum degree is 80kPa, the pressing swing frequency is 40Hz, the vibration frequency is 40Hz, and the amplitude is 5mm, so that an ecological stone molded body is obtai...

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Abstract

The invention relates to the technical field of ecological stone production, in particular to an ecological stone pressing process. The process comprises A, arranging ecological stone slurry in a dieframe, and carrying out bottom face high-frequency vibration on the die frame with the slurry, B, covering the upper surface of the die frame, on which the slurry is distributed, with a rubber plate,C, carrying out flexible pressing under vacuumizing, and D, removing the rubber plate to expose the upper surface of the ecological stone formed body, and sending the ecological stone formed body to asubsequent section. The process is simple, overflowing is avoided during pressing, a plastic film or kraft paper is prevented from being used, the process is environmentally friendly, follow-up maintenance is conducted after a rubber plate is torn off, and the prepared ecological stone product is compact, few in air hole, free of crack defects and small in fixed thickness and grinding amount.

Description

technical field [0001] The invention relates to the technical field of ecological stone production, in particular to an ecological stone pressing process. Background technique [0002] With the development of modern construction, consumers have put forward requirements for light weight, high strength, beautiful appearance and variety of decorative materials. Ecological stone, which is more in line with the demands of circular economy and energy saving and environmental protection, has gradually become the mainstream trend of product development in the stone industry. Ecological stone products are also developing from a single traditional product to a multi-function and multi-purpose demand. The ecological stone is generally solidified after vacuum pressing. Before pressing, it is necessary to spread plastic film, kraft paper and other materials on the surface of the mold to isolate the ecological stone material from the surface of the mold so as to facilitate demoulding. Ho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C67/24
CPCB29C67/244
Inventor 曾德朝陆锡坚陈昆列王录江周燕
Owner FOSHAN DONGPENG CERAMIC
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