Device for improving heat insulation effect based on additive manufacturing

Abstract

The invention belongs to the related technical field of additive manufacturing, and discloses a device for improving the heat insulation effect based on additive manufacturing. The device comprises an upper solid plate, a lower solid plate and a plurality of eight-truss unit cell structures which are arranged between the upper solid plate and the lower solid plate and are connected in an array mode. Each eight-truss lattice unit cell structure is obtained through Boolean union set operation of a BCC unit cell and a regular octahedral unit cell. The BCC unit cells serve as peripheral structures, the regular octahedral unit cells serve as internal structures, and the diameter ratio of connecting rods of the BCC unit cells to connecting rods of the regular octahedral units is less than 1. By means of the device for improving the heat insulation effect based on additive manufacturing, traditional production of lattice structure parts through casting forming and the like is abandoned, the three-dimensional lattice structure parts with high precision and excellent surface quality can be produced, stress concentration is avoided when external force is borne, and the device has the advantages of being light in weight, short in development period and good in heat insulation effect.

Description

Technical field[0001]The present invention belongs to the art of the manufacturing of the material, and more particularly to a device based on the manufacturing of the material to improve the heat insulating effect.Background technique[0002]With the rapid development of technology, the requirements of various industries have been continuously improved, such as mobile phones, computer and other electronic devices, resulting in rapid increase in heat generation, affecting the use effect, so the heat dissipation requires increasing. However, in some application scenarios, the demand for insulation is also highlighted, such as the vehicle cold storage, space cold storage due to storage, continuous improvement of the heat insulation of the cold storage wall, reducing the external heat into the cold storage, resulting in corruption, improve Storage time; the surface of the aircraft causes heat damage to the air in the surface of the aircraft, so that heat insulation treatment is maintaine...

AI Technical Summary

Problems solved by technology

However, the development cycle of new materials with low thermal conductivity is long and the cost is high

At present, the missile instrument compartment is coated with a layer of foaming paint several millimeters thick on the outer skin of the cabin, which is used as an anti-corrosion coating at room temperature. When the aerodynamic heating reaches above 200°C, it will foam evenly and play a role in heat insulation. It can be seen that The important application of space structure in heat insulation. As a regular space structure, the lattice structure has the advantages of light weight and uniform heat insulation; strength, but the application of the traditional eight-fold truss structure is a homogeneous eight-fold truss, which has the characteristics that the diameter ratio of the inner and outer connecting rods is 1, resulting in a larger specific surface area for the eight-fold truss structure, which reduces the heat insulation effect, so it is necessary to redesign the eight-fold truss The truss structure ensures high specific strength while also improving the heat insulation effect

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