CN214395658U

CN214395658U - Porous homogeneous sandwich structure

Info

Publication number: CN214395658U
Application number: CN202022956824.XU
Authority: CN
Inventors: 牟信妮; 赵冉冉; 王智超; 刘欢
Original assignee: Tianjin Vocational Institute
Current assignee: Tianjin Vocational Institute
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-10-15
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a porous homogeneous sandwich structure, which consists of a plurality of same subunits, each subunit comprises a first plate, a second plate, a third plate and a fourth plate which are arranged in sequence, the third bending section of the first plate is bonded with the third bending section of the second plate, the first bending section of the third plate is bonded with the first bending section of the second plate, and the third bending section of the fourth plate is bonded with the third bending section of the third plate; the subunits are arranged in a matrix, and the two transversely adjacent subunits are integrally connected without breakpoints through a first plate, a second plate, a third plate and a fourth plate of the two subunits; and the second bending section of the fourth plate of one subunit is bonded with the second bending section of the first plate of the other subunit which is longitudinally adjacent to the subunit. The utility model has the advantages of simple process, high strength, reasonable structural design, low production cost and the like.

Description

Porous homogeneous sandwich structure

Technical Field

The utility model belongs to the technical field of packaging engineering, transportation and building materials engineering, concretely relates to porous homogeneity sandwich structure.

Background

The honeycomb sandwich plate is a high-strength, environment-friendly and light-weight material, becomes a preferred material for replacing wood, plastic and the like by saving materials, and the manufacture and the application of the honeycomb sandwich plate are developed from the utility model and the application of the honeycomb technology. The material is widely applied to the fields of aviation, aerospace, construction, traffic, packaging, furniture and the like, and becomes an important novel green environment-friendly material with scientific and unique structure, high strength, light weight, excellent buffering performance and resource and energy conservation. The improvement of the strength of the honeycomb sandwich panel has a very important significance for the wider popularization of the honeycomb sandwich panel, at present, the development of low-carbon economy becomes an irresistible trend, the low-carbon economy is developed, the resource utilization rate can be effectively improved, the ecological environment is protected and improved, and the sustainable development is realized. The strength of the honeycomb sandwich plate is improved by improving the quality of the core layer and the surface layer, so that a large amount of raw materials are consumed, and therefore, the purposes of improving the strength of the honeycomb sandwich plate and realizing mass production are achieved by structural change and process, and the honeycomb sandwich plate has social value and economic value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a porous homogeneity sandwich structure.

The utility model discloses a realize through following technical scheme:

a porous homogeneous sandwich structure comprises a plurality of identical subunits, wherein each subunit comprises a first plate (1), a second plate (2), a third plate (3) and a fourth plate (4) which are sequentially arranged, the first plate comprises three bending sections which are a first bending section (1.1), a second bending section (1.2) and a third bending section (1.3), the second plate also comprises three bending sections which are a first bending section (2.1), a second bending section (2.2) and a third bending section (2.3), the third plate also comprises three bending sections which are a first bending section (3.1), a second bending section (3.2) and a third bending section (3.3), and the fourth plate also comprises three bending sections which are a first bending section (4.1), a second bending section (4.2) and a third bending section (4.3);

the lengths of the three bending sections of the first plate, the three bending sections of the second plate, the three bending sections of the third plate and the three bending sections of the fourth plate are the same, the third bending section (1.3) of the first plate is bonded with the third bending section (2.3) of the second plate, the first bending section (3.1) of the third plate is bonded with the first bending section (2.1) of the second plate, and the third bending section (4.3) of the fourth plate is bonded with the third bending section (3.3) of the third plate;

each subunit is a regular hexagon after being formed, and the interior of the regular hexagon comprises 3 equilateral parallelograms;

the subunits are arranged in a matrix, and the two transversely adjacent subunits are integrally connected without breakpoints through a first plate, a second plate, a third plate and a fourth plate of the two subunits; and the second bending section of the fourth plate of one subunit is bonded with the second bending section of the first plate of the other subunit which is longitudinally adjacent to the subunit.

Furthermore, the first plate, the second plate, the third plate and the fourth plate are all made of paperboards, and bonding parts are bonded through glue brushing.

The utility model discloses an advantage and beneficial effect do:

the utility model has the advantages of reform transform simple process, intensity improves greatly, and structural design is reasonable, and the sandwich layer shaping degree of difficulty reduces, low in production cost. The material has more homogeneous out-of-plane performance, less difference of longitudinal and transverse performances in the plane, mutual dislocation of material structures and more uniform stress.

Drawings

Fig. 1 is a schematic structural view of a porous homogeneous sandwich structure of the present invention.

Fig. 2 is a partially enlarged view of fig. 2.

Fig. 3 is a schematic diagram of the manufacturing of the porous homogeneous sandwich structure of the present invention.

For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.

Detailed Description

In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.

Example one

Referring to the attached drawings, the porous homogeneous sandwich structure comprises a plurality of identical subunits m, each subunit m comprises a first plate 1, a second plate 2, a third plate 3 and a fourth plate 4 which are sequentially arranged from top to bottom (from top to bottom relative to the attached drawings), the first plate comprises three bending sections, namely a first bending section 1.1, a second bending section 1.2 and a third bending section 1.3, the second plate also comprises three bending sections, namely a first bending section 2.1, a second bending section 2.2 and a third bending section 2.3, the third plate also comprises three bending sections, namely a first bending section 3.1, a second bending section 3.2 and a third bending section 3.3, the fourth plate also comprises three bending sections, namely a first bending section 4.1, a second bending section 4.2 and a third bending section 4.3.

The three sections of bending of first panel, the three section of bending of second panel, the three section of bending of third panel and the three length of the three section of bending of fourth panel are all the same, and the third section of bending 1.3 of first panel bonds with the third section of bending 2.3 of second panel mutually, and the first section of bending 3.1 of third panel bonds with the first section of bending 2.1 of second panel mutually, and the third section of bending 4.3 of fourth panel bonds with the third section of bending 3.3 of third panel mutually.

The subunits are arranged in a matrix, and the first plate 1, the second plate 2, the third plate 3 and the fourth plate 4 of two subunits are connected without break points (namely, integrated) between the two transversely adjacent subunits, namely, the tail end of the third bending section of the first plate, the tail end of the third bending section of the second plate, the tail end of the third bending section of the third plate and the tail end of the third bending section of the fourth plate of one subunit are respectively and correspondingly and integrally connected with the head end of the first bending section of the first plate, the head end of the first bending section of the second plate, the head end of the first bending section of the third plate and the head end of the first bending section of the fourth plate of the other subunit which is transversely adjacent to the subunits one by one; and the second bending section of the fourth plate of one subunit is bonded with the second bending section of the first plate of the other subunit which is longitudinally adjacent to the subunit.

Furthermore, each subunit is a regular hexagon after being formed, and the interior of the regular hexagon comprises 3 equilateral parallelograms.

Further, the first plate 1, the second plate 2, the third plate 3 and the fourth plate 4 are all made of paperboards, and bonding parts are bonded through glue brushing.

Example two

Referring to fig. 3 (where reference numeral c indicates bonding), this example specifically describes the method of making a porous homogeneous sandwich structure according to the first embodiment, comprising the steps of:

the method comprises the following steps: laying a first plate 1, wherein the first plate 1 is sequentially divided into a plurality of subsections with equal length along the length direction;

step two: laying a second plate 2, and correspondingly bonding the 3 rd, 6 th, 9 th-.. 3n sections of the second plate 2 with the 3 rd, 6 th, 9 th, 3n sections of the first plate 1;

step three: laying a third plate 3, and correspondingly bonding the 1 st, 4 th, 7 th, and.. once. (3n-2) sections of the third plate 3 with the 1 st, 4 th, 7 th, and.. once. (3n-2) sections of the second plate 2;

step four: laying a fourth plate 4, and correspondingly bonding the 3 rd, 6 th, 9 th and 3n th sections of the fourth plate 4 with the 3 rd, 6 th, 9 th and 3n th sections of the third plate 3;

step five: continuing to lay the next group of first to fourth boards according to the steps 1-4, wherein the 2 nd, 5 th, 8 th, 9.. the. (3n-1) section of the first board of the next group is correspondingly bonded with the 2 nd, 5 th, 8 th, 9.. the. (3n-1) section of the fourth board of the previous group;

step six: and (3) longitudinally stretching all the plates formed in the step (5) to form the homogeneous porous sandwich structure of the first embodiment.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.

Claims

1. A porous homogeneous sandwich structure characterized by: each subunit comprises a first plate (1), a second plate (2), a third plate (3) and a fourth plate (4) which are sequentially arranged, wherein the first plate comprises three bending sections which are a first bending section (1.1), a second bending section (1.2) and a third bending section (1.3), the second plate also comprises three bending sections which are a first bending section (2.1), a second bending section (2.2) and a third bending section (2.3), the third plate also comprises three bending sections which are a first bending section (3.1), a second bending section (3.2) and a third bending section (3.3), the fourth plate also comprises three bending sections which are a first bending section (4.1), a second bending section (4.2) and a third bending section (4.3);

2. The porous homogeneous sandwich structure of claim 1, wherein: the first board, the second board, the third board and the fourth board are all made of paperboards, and bonding parts are bonded through glue brushing.