Metal pyramid type lattice sandwich plate and preparation method thereof

A technology of pyramids and sandwich panels, applied in metal layered products, chemical instruments and methods, lamination devices, etc., can solve the problem of high production cost of metal lattice structures, many production defects of metal lattice structures, and low material utilization. and other problems, to achieve the effect of low cost, short preparation process and high material utilization rate

Inactive Publication Date: 2015-01-07
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of high preparation cost, low material utilization rate, long preparation process, many manual operations and the introduction of

Method used

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  • Metal pyramid type lattice sandwich plate and preparation method thereof
  • Metal pyramid type lattice sandwich plate and preparation method thereof
  • Metal pyramid type lattice sandwich plate and preparation method thereof

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specific Embodiment approach 1

[0022] Specific embodiment 1: This embodiment is a metal pyramid-shaped lattice sandwich panel including a pyramid-shaped lattice core 1, a metal upper panel 2 and a metal lower panel 3;

[0023] The pyramid-shaped lattice core 1 is composed of a plurality of metal pyramid-shaped lattice structure unit cells 4; each metal pyramid-shaped lattice structure unit cell 4 is a pyramid-shaped integral piece composed of four rods ; On the upper surface of each rod parallel to the horizontal plane, there are rectangular interlocking notches 1-7, or on the lower surface of each rod parallel to the horizontal plane, there are rectangular interlocking notches 1-7; The fixed supporting legs between two adjacent metal pyramid-shaped lattice structure unit cells 4 are fastened and fixed as a whole through rectangular interlocking slots 1-7 to form a pyramid-shaped lattice core 1;

[0024] The upper end faces of all metal pyramid-shaped lattice structure unit cells 4 in the pyramid-shaped lattice ...

specific Embodiment approach 2

[0029] Embodiment 2: The difference between this embodiment and the first embodiment is: the upper end faces of all metal pyramid-shaped lattice structure unit cells 4 in the pyramid-shaped lattice core 1 are fixedly connected with the metal upper panel 2 through Connected by bonding or welding. The other steps are the same as in the first embodiment.

specific Embodiment approach 3

[0030] Specific embodiment three: this embodiment is different from specific embodiment one or two in that: the lower end surface of all metal pyramid-shaped lattice structure unit cells 4 in the pyramid-shaped lattice core 1 and the metal lower plate 3 The fixed connection is connected by bonding or welding. The other steps are the same as the first or second embodiment.

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Abstract

The invention discloses a metal pyramid type lattice sandwich plate and a preparation method thereof, relates to a lattice sandwich plate and a preparation method thereof, and aims to solve the problems that an existing metal lattice structure is high in preparation cost, low in material utilization rate, long in preparation process and complicated in manual operation and more preparation defects are introduced into the metal lattice structure in the preparation process. The metal pyramid type lattice sandwich plate comprises a pyramid type lattice core, an upper metal panel and a lower metal panel. The preparation method comprises the following steps: 1, preparing a metal corrugated plate; 2, preparing metal pyramid type lattice structure unit cells; 3, preparing the pyramid type lattice core; 4, preparing the metal pyramid type lattice sandwich plate. The prepared metal pyramid type lattice sandwich plate has the advantages of low cost, high material utilization rate and short preparation process. Compared with the preparation cost of the existing metal lattice structure, the preparation cost of the metal pyramid type lattice sandwich plate is reduced by 20-30 percent. By virtue of the preparation method, the metal pyramid type lattice sandwich plate can be obtained.

Description

Technical field [0001] The invention relates to a lattice sandwich panel and a preparation method thereof. Background technique [0002] Metal lattice materials are advanced lightweight and multifunctional structural materials with great potential. The biggest difference from traditional materials is that they have high porosity and ever-changing microstructures, so they have many excellent properties. In terms of structure, it has the characteristics of ultra-light, high specific strength, high specific rigidity, and impact resistance; in terms of function, it has the characteristics of efficient heat insulation and heat dissipation, good sound absorption, and multi-functional integration. The existing metal lattice structure preparation technology all have shortcomings. For example, the shortcomings of the investment casting method are that the process flow is complicated, the preparation cost is high, and defects are easy to produce during the casting process; the shortcomings...

Claims

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Application Information

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IPC IPC(8): B32B3/28B32B3/22B32B15/02B32B37/14
CPCB32B3/28B32B15/02B32B37/14
Inventor 吴倩倩熊健吴林志马力
Owner HARBIN INST OF TECH
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