CN211037364U - Glass magnesium board - Google Patents
Glass magnesium board Download PDFInfo
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- CN211037364U CN211037364U CN201921004797.7U CN201921004797U CN211037364U CN 211037364 U CN211037364 U CN 211037364U CN 201921004797 U CN201921004797 U CN 201921004797U CN 211037364 U CN211037364 U CN 211037364U
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Abstract
The utility model discloses a glass magnesium board, include from the prime cement layer, sandwich layer and the sand light layer that up connect gradually down, be provided with the hole in the sandwich layer. By manufacturing the sanding layer on the core layer, a compact right-angle edge can be formed during trimming, smooth connecting lines can be obtained, and the edge explosion is not easy to occur; and through the integrated molding of the bottom slurry layer, the core layer and the sand light layer, structural layers with different densities can be formed without secondary processing, so that the density of the glass magnesium board is reduced, the weight of the glass magnesium board is reduced, and the transportation and the construction are convenient.
Description
Technical Field
The utility model relates to a fitment technical field especially relates to a glass magnesium board.
Background
The magnesium oxide board is used as a class A fireproof material and is widely applied to the fields of buildings and interior decoration, the main component of the material is a ternary system formed by magnesium oxide, magnesium chloride/magnesium sulfate and water, a magnesium cementing material with stable performance is prepared by preparing and adding a modifier, and a novel non-combustible decoration material is compounded by taking a medium-alkaline glass fiber net as a reinforcing material and taking a light material as a filler. In practical application, the existing glass magnesium board is often a porous material, and the density of the material is reduced by adding a foaming agent or adding a light filler. However, the large pores lead to loose inside of the plate, which leads to the plate being easy to have exposed edges when being cut and chamfered. And the existing glass magnesium board has higher density and is inconvenient to transport and construct.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a glass magnesium board that is difficult for taking place violently limit, matter is light, and high impact resistance and high strength, the transportation and the construction of being convenient for.
The technical scheme of the utility model a glass magnesium board is provided, include the prime cement layer, sandwich layer and the sand light layer that up connect gradually down, be provided with the hole in the sandwich layer.
Furthermore, the core layer is made of a mixture of magnesite cementing materials and polystyrene foam.
Further, the polystyrene foam has a particle size of 0.8mm to 1.5 mm.
Further, the density of the glass magnesium board is 0.75g/m 3-0.85g/m3The thickness of the glass magnesium plate is 5mm-10 mm.
Further, the density of the bottom slurry layer is 1.3g/m 3-1.6g/m3The thickness of the bottom slurry layer is 0.1mm-0.5 mm.
Further, the density of the core layer is 0.5g/m 3-0.8g/m3The thickness of the core layer is 5mm-10mm。
Further, the density of the sand-light layer is 1.3g/m 3-1.6g/m3The thickness of the sand and light layer is 1mm-2 mm.
Furthermore, a first reinforced glass fiber layer is arranged between the bottom slurry layer and the core layer.
Furthermore, a second reinforced glass fiber layer is arranged between the core layer and the sand-light layer.
Further, the first reinforced glass fiber layer and the second reinforced glass fiber layer are made of alkali-free or low-alkali glass fiber cloth.
After adopting above-mentioned technical scheme, have following beneficial effect: by manufacturing the frosted layer on the core layer, a compact right-angle edge can be formed during trimming, smooth connecting lines can be obtained, and the edge exposure is not easy to occur; and through the integrated molding of the bottom slurry layer, the core layer and the sand light layer, structural layers with different densities can be formed without secondary processing, so that the density of the glass magnesium board is reduced, the weight of the glass magnesium board is reduced, and the transportation and the construction are convenient.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
Fig. 1 is a schematic structural diagram of a magnesium oxide board according to an embodiment of the present invention.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a magnesium oxide board provided in an embodiment of the present invention, the magnesium oxide board includes a primer layer 21, a core layer 22 and a frosting layer 23 connected in sequence from bottom to top, and a hole 221 is provided in the core layer 22.
Specifically, the glass magnesium board is manufactured by the following steps:
Step S101, coating a release agent on the bottom of a template, laying a layer of magnesite cementing material on the bottom of the template, and compacting by a compression roller to obtain a bottom slurry layer 21;
Step S102, uniformly mixing the magnesite cementing material and the polystyrene foam, paving the mixture on the top of the bottom slurry layer 21, and compacting the mixture by a press roller to obtain a core layer 22; the density of the core layer 22 is reduced by the small pores 221 formed by chemical reaction after the magnesite cementing material and the polystyrene foam are mixed, so that the thickness of the glass magnesium board can be accurately controlled after the sand optical layer 23 is manufactured subsequently.
Step S103, a layer of magnesite cementing material is laid on the top of the core layer 22 and compacted by a press roller to obtain a sanding layer 23, and a compact right-angle edge can be formed during trimming through the sanding layer 23, so that smooth connection lines can be obtained, and edge exposure is not easy to occur;
And step S104, compacting, demolding after 24 hours under the conditions that the temperature is 10-35 ℃ and the humidity is 50-75%, maintaining for seven days at normal temperature, polishing the sand light layer 23, and cutting to obtain the glass magnesium board, so that the thickness of the glass magnesium board can be accurately controlled, the strength of the glass magnesium board is increased, and the requirements are met.
The top and bottom are referred to herein in terms of the ground, with the end away from the ground being the top and the end near the ground being the bottom.
The glass magnesium board provided by the utility model can form a compact right-angle edge when trimming by manufacturing the frosted layer on the core layer, can obtain a smooth connecting line and is not easy to generate an exposed edge; and through the integrated molding of the bottom slurry layer, the core layer and the sand light layer, structural layers with different densities can be formed without secondary processing, so that the density of the glass magnesium board is reduced, the weight of the glass magnesium board is reduced, and the transportation and the construction are convenient.
Optionally, in order to better control the density and thickness of the magnesium oxide board, the material of the core layer 22 is a mixture of magnesite cement and polystyrene foam.
Preferably, in order to control the density and thickness of the glass magnesium board more precisely, the mass ratio of the magnesite cementing material to the polystyrene foam is 8-12: 1.
Preferably, the mass ratio of the magnesite cementing material to the polystyrene foam is 10: 1.
Optionally, in order to better control the density and thickness of the magnesium oxide board, the particle size of the polystyrene foam is 0.8mm-1.5 mm.
Alternatively, the magnesium oxide board has a density of 0.75g/m 3-0.85g/m3The thickness of the glass magnesium plate is 5mm-10 mm.
Alternatively, to improve the flatness of the top of the primer layer, the density of the primer layer 21 is 1.3g/m 3-1.6g/m3The thickness of the bottom slurry layer 21 is 0.1mm-0.5 mm.
Alternatively, in order to more precisely control the density and thickness of the magnesium oxide panel, the density of the core layer 22 is 0.5g/m 3-0.8g/m3The thickness of the core layer 22 is 5mm-10 mm.
Optionally, in order to control the density and thickness of the glass magnesium board more accurately, the density of the sanding layer 23 is 1.3g/m 3-1.6g/m3The thickness of the sand and light layer 23 is 1mm-2 mm.
Preferably, for enhanced stability, an adhesive bond is used between the primer layer 21 and the core layer 22, and between the core layer 22 and the sanding layer 23.
Optionally, in order to enhance the strength between the primer layer 21 and the core layer 22, a first reinforcing glass fiber layer 24 is disposed between the primer layer 21 and the core layer 22.
Specifically, lay the fine screen cloth of one deck or two-layer glass at the top of prime cement layer 21 to through the compression roller compaction, obtain the fine layer 24 of first reinforcing glass, sandwich layer 22 sets up the top on the fine layer 24 of first reinforcing glass, thereby the intensity between reinforcing prime cement layer 21 and the sandwich layer 22.
Optionally, in order to enhance the strength between the core layer 22 and the sanding layer 23, a second reinforcing glass fiber layer 25 is disposed between the core layer 22 and the sanding layer 23.
Specifically, lay one deck or two-layer glass fiber screen cloth at the top of sandwich layer 22 to through the compression roller compaction, obtain the glass fiber layer 25 of second reinforcing, sand light layer 23 sets up the top at the glass fiber layer 25 of second reinforcing, thereby strengthen the intensity between sandwich layer 22 and the sand light layer 23.
Optionally, in order to further enhance the strength, the first reinforcing glass fiber layer 24 and the second reinforcing glass fiber layer 25 are made of alkali-free or low-alkali glass fiber cloth.
Compared with the prior common glass magnesium board, the glass magnesium board provided by the invention has strong structural strength, light weight and enhanced anti-deformation capability, and the concrete comparison is as follows:
| Existing common glass magnesium board | The glass magnesium board of the invention | |
| Density of | 1.07g/m3 | 0.76g/m3 |
| Thickness of | 8mm | 10mm |
| Flexural strength | 12.7MPa | 10MPa |
| Modulus of elasticity against fracture | 3430MPa | 4500MPa |
| Power of holding nails | 370N | 270N |
| Resistance to halogen return | Without water drops or getting damp | Without water drops or getting damp |
| Dry shrinkage rate | 0.37％ | 0.39％ |
| Rate of wet swelling | 0.53％ | 0.06％ |
In summary, the glass magnesium board provided by the utility model can form a compact right-angle edge when trimming by manufacturing the frosted layer on the core layer, can obtain a smooth connecting line, and is not easy to generate an exposed edge; and through the integrated molding of the bottom slurry layer, the core layer and the sand light layer, structural layers with different densities can be formed without secondary processing, so that the density of the glass magnesium board is reduced, the weight of the glass magnesium board is reduced, and the transportation and the construction are convenient.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (8)
1. The glass magnesium board is characterized by comprising a bottom slurry layer, a core layer and a frosting layer which are sequentially connected from bottom to top, wherein pores are arranged in the core layer.
2. The magnesium oxide panel of claim 1, wherein the magnesium oxide panel has a density of 0.75g/m 3-0.85g/m3The thickness of the glass magnesium plate is 5mm-10 mm.
3. The magnesium oxide panel of claim 2, wherein the primer layer has a density of 1.3g/m 3-1.6g/m3The thickness of the bottom slurry layer is 0.1mm-0.5 mm.
4. The magnesium oxide panel of claim 2, wherein the core layer has a density of 0.5g/m 3-0.8g/m3And the thickness of the core layer is 5mm-10 mm.
5. The magnesium oxide panel of claim 2, wherein the matte layer has a density of 1.3g/m 3-1.6g/m3The thickness of the sand and light layer is 1mm-2 mm.
6. The magnesium oxide board of any one of claims 1-5, wherein a first reinforcing glass fiber layer is disposed between the primer layer and the core layer.
7. The magnesium board of claim 6, wherein a second reinforcing glass fiber layer is disposed between the core layer and the matte layer.
8. The glass magnesium board of claim 7, wherein the first reinforcing glass fiber layer and the second reinforcing glass fiber layer are made of alkali-free or low-alkali glass fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004797.7U CN211037364U (en) | 2019-07-01 | 2019-07-01 | Glass magnesium board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004797.7U CN211037364U (en) | 2019-07-01 | 2019-07-01 | Glass magnesium board |
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| Publication Number | Publication Date |
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| CN211037364U true CN211037364U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921004797.7U Active CN211037364U (en) | 2019-07-01 | 2019-07-01 | Glass magnesium board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253720A (en) * | 2019-07-01 | 2019-09-20 | 浙江亚厦装饰股份有限公司 | The manufacturing method and glass magnesium board of glass magnesium board |
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- 2019-07-01 CN CN201921004797.7U patent/CN211037364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253720A (en) * | 2019-07-01 | 2019-09-20 | 浙江亚厦装饰股份有限公司 | The manufacturing method and glass magnesium board of glass magnesium board |
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