CN212242402U

CN212242402U - Vacuum honeycomb panel

Info

Publication number: CN212242402U
Application number: CN202020651783.0U
Authority: CN
Inventors: 王宏海
Original assignee: Xi'an Haihong Packaging LLC
Current assignee: Xi'an Haihong Packaging LLC
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-29
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a vacuum honeycomb panel, including honeycomb core and vacuum protection top layer, the honeycomb core is wrapped up in to the vacuum protection top layer, be equipped with the evacuation passageway on the vacuum protection top layer, the inner chamber of vacuum protection top layer is through the evacuation passageway to its evacuation, the tip of evacuation passageway is equipped with the sealing member, and this sealing member makes vacuum honeycomb panel form airtight structure; the honeycomb core is manufactured by bonding corrugated paper into a three-dimensional structure, the three-dimensional structure is provided with a plurality of cavities, each cavity penetrates through the honeycomb core in the thickness direction of the honeycomb core, the peripheral wall of each adjacent cavity is provided with a through channel, and all the through channels, all the cavities and the vacuumizing channel are communicated with one another; the corrugated paper is formed by bonding a layer of hanging surface paper layer and a layer of waveform corrugated paper layer, and the through channel penetrates through the hanging surface paper layer and the waveform corrugated paper layer. The utility model discloses a honeycomb core chooses the corrugated paper preparation for use to form, has advantages such as with low costs, intensity height, difficult buckling.

Description

Vacuum honeycomb panel

Technical Field

The utility model relates to a vacuum insulation board field especially relates to a vacuum honeycomb panel.

Background

The vacuum plate is one of vacuum heat insulating materials, is formed by compounding a filling core material and a vacuum protection surface layer, and effectively avoids heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced.

The patent number is 201621112795.6's utility model patent, a sealed compound vacuum plate of gluing high performance low cost is disclosed, including metal or nonmetal material's rigidity panel, the rigidity panel comprises first rigidity panel and second rigidity panel, be provided with bearing structure between the two, bearing structure is the honeycomb core that is the honeycomb shape in the direction of the first rigidity panel of perpendicular to and second rigidity panel, the honeycomb core comprises metal and nonmetal material's a plurality of circular or polygon, be provided with the fabrication hole of bleeding on the honeycomb core, be provided with the air exhaust pipeline structure on first rigidity panel or the second rigidity panel.

The honeycomb core of the patent is composed of a plurality of circles and is made of aluminum foil, and because the aluminum foil is a very thin metal aluminum sheet, the strength of the honeycomb core made of the aluminum foil is improved.

Disclosure of Invention

The utility model provides a vacuum honeycomb panel, honeycomb core adopt the corrugated paper preparation to form, have with low costs, intensity is high, difficult buckling.

Realize the utility model discloses the technical scheme of purpose as follows:

a vacuum honeycomb panel comprises a honeycomb core and a vacuum protection surface layer, wherein the honeycomb core is wrapped in the vacuum protection surface layer, a vacuumizing channel is arranged on the vacuum protection surface layer, an inner cavity of the vacuum protection surface layer is vacuumized through the vacuumizing channel, and a sealing element is arranged at the end part of the vacuumizing channel and enables the vacuum honeycomb panel to form a sealed airtight structure;

the honeycomb core is manufactured by bonding corrugated paper into a three-dimensional structure, the three-dimensional structure is provided with a plurality of cavities, each cavity penetrates through the honeycomb core in the thickness direction of the honeycomb core, the peripheral wall of each adjacent cavity is provided with a through channel, and all the through channels, all the cavities and the vacuumizing channel are communicated with one another;

the corrugated paper is formed by bonding a layer of hanging surface paper layer and a layer of waveform corrugated paper layer, and the through channel penetrates through the hanging surface paper layer and the waveform corrugated paper layer.

The utility model discloses a honeycomb core chooses the corrugated paper preparation for use to form, has advantages such as with low costs, intensity height, difficult buckling.

As a further improvement of the utility model, the cross-section of cavity is regular hexagon, adopt the corrugated paper to bond into the cellular spatial structure that the countless is hollow regular hexagon during the honeycomb core preparation.

The utility model discloses a honeycomb core cross section is regular hexagon, and regular hexagon's honeycomb core has simple structure, the quality is light, anti bending property is good advantage.

As a further improvement of the utility model, the orientation of the corrugated paper layer in all the corrugated papers of the honeycomb core is the same.

The utility model discloses well wave form corrugated paper layer orientation is the same, more does benefit to the preparation of honeycomb core.

As a further improvement of the present invention, the cross section of the corrugated paper layer is sinusoidal, the plane of the corrugated paper layer corresponding to the wave trough of the sine wave is adhered to the liner paper layer, and the other surface of the corrugated paper layer corresponding to the wave crest of the sine wave faces the cavity.

As a further improvement of the utility model, the wave form corrugated paper layer adopts paper to pass through the processing of flute rod, the thickness of paper is greater than the thickness of hanging face paper layer.

The utility model discloses an increase waveform corrugated paper layer's paper thickness, improve the concora crush strength of honeycomb core.

As a further improvement of the utility model, the hanging surface paper layer and the corrugated paper layer are bonded through a starch glue layer.

As a further improvement of the utility model, the vacuum protection device further comprises a waterproof film layer, wherein the waterproof film layer is coated outside the vacuum protection surface layer.

As a further improvement of the present invention, the waterproof membrane layer further wraps the sealing member therein.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a honeycomb core chooses the corrugated paper preparation for use to form, has advantages such as with low costs, intensity height, difficult buckling.

2. The utility model discloses a honeycomb core cross section is regular hexagon, and regular hexagon's honeycomb core has simple structure, the quality is light, anti bending property is good advantage.

3. The utility model discloses well wave form corrugated paper layer orientation is the same, more does benefit to the preparation of honeycomb core.

4. The utility model discloses an increase waveform corrugated paper layer's paper thickness, improve the concora crush strength of honeycomb core.

Drawings

FIG. 1 is a schematic structural view of a vacuum honeycomb panel;

FIG. 2 is a schematic structural view of a honeycomb core;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a process diagram of the wrapping of a waterproof membrane layer;

FIG. 5 is a schematic structural view of corrugated paper;

fig. 6 is a sectional view B-B of fig. 2.

In the figure, 1, a honeycomb core; 11. hanging a surface paper layer; 12. a corrugated paper layer; 2. vacuum protecting the surface layer; 3. a vacuum channel is pumped; 4. a seal member; 5. a through passage; 6. a waterproof film layer is arranged; 7. and (5) a lower waterproof film layer.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1:

the embodiment provides a vacuum honeycomb panel, as shown in fig. 1, which includes a honeycomb core 1 and a vacuum protection surface layer 2, the honeycomb core 1 is wrapped in the vacuum protection surface layer 2, a vacuum channel 3 is arranged on the vacuum protection surface layer 2, an inner cavity of the vacuum protection surface layer 2 is vacuumized through the vacuum channel 3, a sealing element 4 is arranged at an end of the vacuum channel 3, and the sealing element 4 enables the vacuum honeycomb panel to form a sealed and airtight structure; the honeycomb core 1 is bonded into a three-dimensional structure by corrugated paper when being manufactured, the three-dimensional structure is provided with a plurality of cavities, each cavity penetrates through the honeycomb core 1 in the thickness direction of the honeycomb core 1, the peripheral wall of each adjacent cavity is provided with a through channel 5, and all the through channels 5, all the cavities and the vacuumizing channel 3 are communicated with each other; as shown in fig. 5, the corrugated paper is formed by bonding a corrugated paper layer 12 and a corrugated paper layer 11, and the through passage 5 penetrates the corrugated paper layer 12 and the corrugated paper layer 11.

The honeycomb core 1 of this embodiment is made of corrugated paper, and has advantages such as with low costs, intensity is high, difficult buckling.

As shown in fig. 2 and 3, the cross section of the cavity of the honeycomb core 1 is a regular hexagon, and the honeycomb core 1 is made by bonding corrugated paper into a plurality of hollow regular hexagon honeycomb solid structures. The honeycomb core 1 cross section of this embodiment is regular hexagon, and regular hexagon's honeycomb core 1 has simple structure, the quality is light, anti bending property is good advantage.

As shown in fig. 3 and 6, the corrugated sheets 12 of all the corrugated papers of the honeycomb core 1 are oriented in the same direction. In this embodiment, the corrugated paper layers 12 are oriented in the same direction, which is more beneficial to manufacture the honeycomb core 1.

Specifically, the cross section of the corrugated paper layer 12 is sinusoidal, the plane of the corrugated paper layer 12 corresponding to the trough of the sinusoidal wave is bonded to the liner paper layer 11, and the other surface of the corrugated paper layer 12 corresponding to the crest of the sinusoidal wave faces the cavity. The corrugated paper layer 12 is made of paper and processed by a corrugated roller, and the thickness of the paper is larger than that of the surface paper layer 11. The present embodiment improves the flat crush strength of the honeycomb core 1 by increasing the paper thickness of the corrugated paper layer 12. The hanging surface paper layer 11 and the corrugated paper layer 12 are bonded through a starch glue layer.

The vacuum protection top layer 2 of this embodiment outside still cladding has waterproof rete. As shown in fig. 4, the waterproof membrane layer also encases the seal 4 therein.

This embodiment is through increasing the waterproof membrane, goes up the size of waterproof rete and is greater than the upper surface of vacuum honeycomb panel, follows the lateral wall of vacuum honeycomb panel or the lower surface evacuation, pastes down the waterproof rete afterwards, pastes the unnecessary waterproof membrane of last waterproof rete to the lower surface to this keeps lasting vacuum.

Example 2:

on the basis of the scheme disclosed in the embodiment 1, the embodiment discloses a honeycomb structure incubator based on a vacuum honeycomb plate.

The embodiment provides a honeycomb insulation can, includes: case shell and insulation construction, insulation construction set firmly the inner wall at the case shell, and insulation construction is formed by the bonding of polylith heated board, and the case shell is formed by the metal sheet concatenation.

The packing of concatenation seam department of adjacent heated board has sealing material, and the heated board includes honeycomb core 1 and vacuum protection top layer 2, and vacuum protection top layer 2 wraps up honeycomb core 1 wherein, is equipped with evacuation passageway 3 on the vacuum protection top layer 2, and the inner chamber on vacuum protection top layer 2 is through evacuation passageway 3 to its evacuation, and the tip of evacuation passageway 3 is equipped with sealing member 4, and this sealing member 4 makes the airtight enclosed construction of vacuum honeycomb panel formation. In the embodiment, the heat preservation box is formed by bonding the vacuum honeycomb plates, so that the heat preservation performance is good and the heat preservation box is easy to degrade.

In order to improve the waterproof performance of the insulation can, the insulation board of the embodiment further comprises a waterproof film layer, and the vacuum protection surface layer 2 and the sealing element 4 are wrapped in the waterproof film layer.

Preferably, corrugated paper is adopted to bond the honeycomb core 1 into a three-dimensional structure during manufacturing, the three-dimensional structure is provided with a plurality of cavities, each cavity penetrates through the honeycomb core 1 in the thickness direction of the honeycomb core 1, through channels 5 are arranged on the peripheral walls of adjacent cavities, and all the through channels 5, all the cavities and the vacuumizing channel 3 are communicated with each other. Preferably, the corrugated paper is formed by bonding a corrugated paper layer 12 and a corrugated paper layer 11, and the through channel 5 penetrates through the corrugated paper layer 12 and the corrugated paper layer 11.

The cross section of the cavity of the honeycomb core 1 is regular hexagon, and the honeycomb core 1 is bonded into a plurality of hollow regular hexagon honeycomb three-dimensional structures by corrugated paper during manufacturing.

The processing technology of the honeycomb structure incubator in the embodiment comprises the following steps: step one, cutting a metal plate: cutting a metal plate according to the size of the heat preservation box; step two, fixing the heat insulation plate: fixing each metal plate on a corresponding heat insulation board, wherein the heat insulation board comprises a honeycomb core 1 and a vacuum protection surface layer 2, the honeycomb core 1 is wrapped in the vacuum protection surface layer 2, and the metal plates are fixed on the vacuum protection surface layer 2; step three, assembling the metal plates: completing the assembly of the metal plate fixed with the heat-insulation board in the second step; step four, sealing the splicing seams: and filling the splicing seams of the adjacent insulation boards with sealing materials.

In the prior art, the metal shell of the heat preservation box is generally processed firstly, and then the heat preservation plate and the inner wall plate of the metal shell are generally adhered and installed through glue, but the glue is easy to age after long-time use in the installation mode. This embodiment is earlier fixed with heated board and is an organic whole, then splices sheet metal, fills sealing material in the splice joint of heated board at last, uses sheet metal and heated board difficult droing for a long time.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A vacuum honeycomb plate comprises a honeycomb core (1) and a vacuum protection surface layer (2), wherein the honeycomb core (1) is wrapped in the vacuum protection surface layer (2), a vacuumizing channel (3) is arranged on the vacuum protection surface layer (2), and an inner cavity of the vacuum protection surface layer (2) is vacuumized through the vacuumizing channel (3);

the end part of the vacuumizing channel (3) is provided with a sealing element (4), and the sealing element (4) enables the vacuum honeycomb plate to form a sealed airtight structure; the method is characterized in that:

the honeycomb core (1) is bonded into a three-dimensional structure by corrugated paper when being manufactured, the three-dimensional structure is provided with a plurality of cavities, each cavity penetrates through the honeycomb core (1) in the thickness direction of the honeycomb core (1), the peripheral wall of each adjacent cavity is provided with a through channel (5), and all the through channels (5), all the cavities and the vacuumizing channel (3) are communicated with one another;

the corrugated paper is formed by bonding a layer of hanging surface paper layer (11) and a layer of waveform corrugated paper layer (12), and the through channel (5) penetrates through the hanging surface paper layer (11) and the waveform corrugated paper layer (12).

2. The vacuum honeycomb panel according to claim 1, wherein the cross section of the cavity is a regular hexagon, and the honeycomb core (1) is made by bonding corrugated paper into a plurality of hollow regular hexagon honeycomb three-dimensional structures.

3. Vacuum honeycomb panel according to claim 2, characterized in that the corrugated layers (12) of all the corrugated papers of the honeycomb core (1) are oriented in the same direction.

4. The vacuum honeycomb panel according to claim 1, wherein the cross-section of the corrugated paper layer (12) is in a sine wave shape, the plane of the corrugated paper layer (12) corresponding to the trough of the sine wave is adhered to the hanging paper layer (11), and the other surface of the corrugated paper layer (12) corresponding to the crest of the sine wave faces the cavity.

5. The vacuum honeycomb panel according to claim 4, wherein the corrugated paper layer (12) is formed by a corrugating roller using a paper sheet having a thickness greater than that of the hanging paper layer (11).

6. The vacuum honeycomb panel according to claim 1, wherein the hanging surface paper layer (11) and the corrugated paper layer (12) are bonded by a starch glue layer.

7. Vacuum cellular board according to claim 1, characterized in that it further comprises a waterproof membrane layer, which is wrapped outside the vacuum protective skin (2).

8. Vacuum honeycomb panel according to claim 7, characterized in that the waterproof membrane layer also encases a seal (4) therein.