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3D printing preparation method of a light-transmitting cement-based composite material

A composite material and 3D printing technology, applied in processing and manufacturing, additive processing, etc., can solve the problems of complex preparation process, optical fiber spacing distribution and poor size consistency, and achieve the effect of simple process, low labor cost and convenient operation

Active Publication Date: 2020-04-10
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the problems existing in the existing preparation methods of light-transmitting cement-based composite materials, such as complex preparation process, poor fiber spacing distribution and poor size consistency, the purpose of the present invention is to provide a 3D printing preparation method of light-transmitting cement-based composite materials, namely Prepare and fix the light-transmitting column array through 3D printing technology, and then prepare the light-transmitting cement-based composite material by pouring molding

Method used

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  • 3D printing preparation method of a light-transmitting cement-based composite material
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  • 3D printing preparation method of a light-transmitting cement-based composite material

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Effect test

Embodiment 1

[0026] refer to figure 1 , the present invention prepares the steps of light-transmitting cement-based composite material as follows:

[0027] (1) Material preparation

[0028] Prepare epoxy resin, sulfoaluminate cement, admixtures, water, and steel plate substrate.

[0029] (2) Preparation of light-transmitting column array

[0030] Using epoxy resin as the raw material, the 3D printer prints the light-transmitting column array on the steel substrate according to the requirements. The cross-sectional shape of the light-transmitting column parallel to the substrate is circular.

[0031] (3) Pouring cement slurry

[0032] After the light-transmitting column array is printed and cured, fix the cement fixing groove around the substrate, then prepare the cement slurry with sulfoaluminate cement, epoxy resin, admixture and water, and pour the prepared slurry into place A cement matrix is ​​formed in the cement fixing groove with the base plate and the light-transmitting column...

Embodiment 2

[0036] The present invention prepares the steps of light-transmitting cement-based composite material as follows:

[0037] (1) Preparation of materials

[0038] Prepare epoxy resin, sulfoaluminate cement, fine aggregate, admixture, water reducer and water.

[0039] (2) Preparation of light-transmitting column array

[0040] Using epoxy resin as the raw material, the 3D printer can print the substrate and the light-transmitting column array as required. The height of the printed light-transmitting column is 50mm, the radius is 4mm, and the distance between adjacent light-transmitting columns is 8mm, parallel to the direction of the substrate. The cross-sectional shape of the light-transmitting column on the top is circular.

[0041] (3) Pouring cement slurry

[0042] After the printing is finished and solidified, fix the cement fixing groove around the substrate, then prepare the cement slurry with sulphoaluminate cement, fine aggregate, admixture and water, and pour the pre...

Embodiment 3

[0046] The present invention prepares the steps of light-transmitting cement-based composite material as follows:

[0047] (1) Preparation of materials

[0048] Prepare polycarbonate, Portland cement, admixtures, water, and plastic substrate.

[0049] (2) Preparation of light-transmitting column array

[0050] Using polycarbonate as the raw material, the 3D printer can print an array of light-transmitting columns on the plastic substrate according to the requirements. The cross-sectional shape of the light-transmitting column in the direction of the substrate is circular. (3) Pouring cement slurry

[0051] After the light-transmitting column array is printed and cured, fix the cement fixing groove around the substrate, then prepare cement slurry with Portland cement, admixture and water, pour the prepared slurry into the substrate and light-transmitting The cement of the column array is fixed in the groove, forming a cement matrix.

[0052] (4) demoulding and polishing

...

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Abstract

A 3D printing preparation method of a light-transmitting cement-based composite material. The light-transmitting cement-based composite material is composed of a cement matrix and a light-transmitting column array. The light-transmitting column array is prepared by 3D printing technology. The cement matrix can be prepared by casting molding method first. The light-transmitting column array is printed on the substrate, or the light-transmitting column array with the substrate is directly printed by 3D printing technology, and then cement fixing grooves are placed around the substrate, and then cement slurry is poured and maintained in the gap between the light-transmitting columns. After the cement slurry is completely hardened, the demoulding is carried out and the substrate is removed; the material after demoulding and removal of the substrate is polished and polished, and finally a light-transmitting cement-based composite material with a regular appearance is obtained; the invention can realize the light-transmitting column The array has strong independent design, high dimensional consistency and accurate position adjustment, which solves the problems of complex optical fiber layout process and low position accuracy in the prior art, and has simple process, low labor cost, convenient operation, and easy realization of fast and diversified Production.

Description

technical field [0001] The invention belongs to the technical field of building material manufacturing, and in particular relates to a 3D printing preparation method of a light-transmitting cement-based composite material. Background technique [0002] With the development of intelligent building technology, people's demand for the functionalization of building materials is getting higher and higher. Light-transmitting cement-based composite materials are one of the important development directions of wall materials in the field of building energy conservation, which can make concrete building structures have both mechanical performance bearing, light transmission and decorative effects. In addition, the combination of light-transmitting cement-based composite materials and display technology can protect regional architectural features and also have information display functions, which has significant social and economic benefits. The high-efficiency and diversified prepara...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06C04B28/04B29C64/10B33Y10/00
CPCB33Y10/00C04B28/04C04B28/06C04B24/281C04B14/02C04B14/06C04B14/28
Inventor 魏剑薛飞郝磊李雪婷赵莉莉张倩
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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