CN210148872U - A kind of PHA and PETG blended rigid sheet - Google Patents

Abstract

The utility model discloses the technical field of a PHA and PETG blended rigid sheet, in particular to a PHA and PETG blended rigid sheet, which comprises a PETG layer, and a PHA layer, a PHA layer and a PHA layer are fixed on the upper surface of the PETG layer by hot pressing. A protective layer is fixed on the upper surface of the layer by hot pressing, and an elastic layer is fixed on the upper surface of the protective layer by hot pressing. In the utility model, an elastic layer is arranged under the upper wear-resistant layer, and the elastic layer will correspondingly supplement the vacancies or protrusions on the surface of the sheet material, so that the texture of the surface sand is not easily formed, and the texture is relatively smooth and flat; The inner layer of the PETG layer is provided with a hollow layer, which improves the overall heat dissipation of the rigid sheet. The upper and lower inner walls of the hollow layer are provided with a filter cotton layer. The filter cotton layer has the function of adsorbing and filtering dust. After the time limit, the filter cotton layer is replaced, so that the inside of the hard sheet is not easy to be polluted by dust accumulation.

Description

A kind of PHA and PETG blended rigid sheet

technical field

The utility model relates to the technical field of a PHA and PETG blended rigid sheet, in particular to a PHA and PETG blended rigid sheet.

Background technique

PHA and PETG blended rigid sheet is a rigid sheet formed by blending PHA layer and PETG layer. It is used to make various high-gloss and high-resistance sheets, but it still has the following drawbacks in the actual use process :

In the prior art, the surface of the PHA and PETG blended rigid sheet is unevenly strengthened, which is easy to form a sand-grain texture, and the texture is poor, and the PHA and PETG blended rigid sheet is easily affected by high temperature to form corresponding thermal expansion and contraction. , is not conducive to use.

To this end, we propose a kind of PHA and PETG blended rigid sheet to solve the above drawbacks well.

Utility model content

The purpose of this utility model is to provide a kind of PHA and PETG blended rigid sheet, in order to solve the problem raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a kind of PHA and PETG blended rigid sheet, including the PETG layer, the upper surface of the PETG layer is fixed with the PHA layer, the upper surface of the PHA layer by hot pressing. A protective layer is fixed by hot pressing, an elastic layer is fixed on the upper surface of the protective layer by hot pressing, an upper wear-resistant layer is fixed on the upper surface of the elastic layer by hot pressing, and a lower protective layer is fixed on the lower surface of the PETG layer by hot pressing .

Preferably, a hollow layer penetrating left and right is provided in the inner middle position of the PETG layer, and a filter cotton layer is fixedly attached to the upper and lower inner walls of the hollow layer.

Preferably, the surface of the PETG layer is provided with heat dissipation holes, and the heat dissipation holes are provided in multiple groups in a circular hole-like structure, and the plurality of groups of heat dissipation holes are arranged at equal distances and simultaneously penetrate the upper and lower surfaces of the PETG layer.

Preferably, when the lower surface of the PHA layer is hot-pressed and fixed on the upper surface of the PETG layer, a No. 1 card protrusion is formed at the position of the heat dissipation hole.

Preferably, the lower surface of the protective layer forms a No. 2 clip at the position of the No. 1 clip on the PHA layer, and the lower surface of the elastic layer forms a No. 3 clip at the position of the No. 2 clip on the protective layer.

Preferably, the elastic layer and the upper wear-resistant layer are both transparent plate structures, and the filter cotton layer is a plate-like structure.

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

1. In the present utility model, an elastic layer is arranged below the upper wear-resistant layer, and the elastic layer can correspondingly supplement the vacancy or bulge on the surface of the sheet material, and it is not easy to form the texture of the surface sand, and the texture is relatively smooth and flat;

2. In the utility model, a hollow layer is arranged in the inner layer of the PETG layer, so that the overall heat dissipation of the rigid sheet is improved. The upper and lower inner walls of the hollow layer are provided with a filter cotton layer, and the filter cotton layer has the function of adsorbing and filtering dust. , Replace the filter cotton layer after the rigid sheet is used for a certain period of time, so that the interior of the rigid sheet is not easily polluted by dust accumulation.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is an enlarged schematic view of the structure at a in FIG. 1 of the present utility model.

In the figure: upper wear-resistant layer 1, elastic layer 2, protective layer 3, PHA layer 4, PETG layer 5, hollow layer 6, heat dissipation hole 7, filter cotton layer 8, No. 1 card protrusion 9, lower protective layer 10, 2 Number card protrusion 11, Number three card protrusion 12.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 2, the utility model provides a kind of technical scheme: a kind of PHA and PETG blended rigid sheet, including PETG layer 5, the inner middle position of PETG layer 5 is provided with the hollow layer 6 penetrating left and right, The upper and lower inner walls of the hollow layer 6 are fixedly fitted with a filter cotton layer 8. The hollow layer 6 is ventilated from left to right, which has a heat dissipation effect on the device. The beauty of the sheet;

Heat dissipation holes 7 are provided on the surface of the PETG layer 5 . The heat dissipation holes 7 are arranged in multiple groups in a circular hole-like structure. The multiple groups of heat dissipation holes 7 are arranged at equal distances and simultaneously penetrate the upper and lower surfaces of the PETG layer 5 . The heat dissipation holes 7 are provided with a hollow layer. The heat dissipation effect of 6 increases the area of cold and heat exchange when the cooling air passes through the PETG layer 5, which can quickly bring out the heat in the PETG layer 5 and increase the high temperature resistance of the hard sheet;

When the upper surface of the PETG layer 5 is fixed with the PHA layer 4 by hot pressing, and the lower surface of the PHA layer 4 is fixed on the upper surface of the PETG layer 5 by hot pressing, a No. The strength of the connection with the layer;

A protective layer 3 is fixed on the upper surface of the PHA layer 4 by hot pressing. The protective layer 3 itself has a protective function, and the upper surface of the protective layer 3 is fixed with an elastic layer 2 by hot pressing. The lower surface of the protective layer 3 corresponds to the PHA layer 4 The No. 1 card protrusion 9 on the top forms a No. 2 card protrusion 11, and the lower surface of the elastic layer 2 forms a No. 3 card protrusion 12 at the position of the No. 2 card protrusion 11 on the protective layer 3, which increases the connection strength between layers. , which also ensures the smoothness of the surface of the hard sheet;

The upper wear-resistant layer 1 is fixed on the upper surface of the elastic layer 2 by hot pressing, the elastic layer 2 and the upper wear-resistant layer 1 are both transparent plate structures, the filter cotton layer 8 is a plate-like structure, and the lower surface of the PETG layer 5 passes through The lower protective layer 10 is fixed by hot pressing, and the lower protective layer 10 has the function of protecting the PETG layer 5 .

working principle:

First, the PHA layer 4 is fixed on the hard PETG layer 5 by hot pressing. When the PHA layer 4 is hot pressed, a corresponding No. 1 tab 9 will be formed at the bottom to be engaged in the heat dissipation hole 7 to increase the connection strength between the structures. , and then the lower protective layer 10 is hot-pressed and fixed on the lower surface of the PETG layer 5, and the protective layer 3 is hot-pressed and fixed on the upper surface of the PHA layer 4. In addition, the elastic layer 2 is hot-pressed and fixed on the upper surface of the protective layer 3, and the elastic layer 2 itself has a filling and supplementary effect. Keep it flat, and then fix the upper wear-resistant layer 1 on the upper surface of the elastic layer 2 by hot pressing;

After the outer ring of the filter cotton layer 8 is glued, the filter cotton layer 8 is inserted into the hollow layer 6 in the PETG layer 5 for fixing. The hollow layer 6 allows the air to circulate from side to side and has a good heat dissipation effect on the overall rigid sheet. .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. PHA-to-PETG blended hard sheet comprising a PETG layer (5), characterized in that: the upper surface on PETG layer (5) is fixed with PHA layer (4), the upper surface on PHA layer (4) through the hot pressing and is fixed with protective layer (3) through the hot pressing, and the upper surface of protective layer (3) is fixed with elastic layer (2) through the hot pressing, and the upper surface on elastic layer (2) is fixed with wearing layer (1) through the hot pressing, the lower surface on PETG layer (5) is fixed with lower protective layer (10) through the hot pressing.

2. A PHA and PETG blended hard sheet according to claim 1, wherein: the inside intermediate position on PETG layer (5) is provided with about hollow layer (6) that run through, and the upper and lower inner wall of hollow layer (6) all is fixed the laminating and is had filtering cotton layer (8).

3. A PHA and PETG blended hard sheet according to claim 1, wherein: the surface of PETG layer (5) is provided with louvre (7), louvre (7) are round hole column structure and are provided with the multiunit, and multiunit louvre (7) are the upper and lower surface setting that runs through PETG layer (5) simultaneously for the equidistance.

4. A PHA and PETG blended hard sheet according to claim 1, wherein: when the lower surface of the PHA layer (4) is fixed on the upper surface of the PETG layer (5) in a hot-pressing manner, a first clamping bulge (9) is formed at the position of the heat dissipation hole (7).

5. A PHA and PETG blended hard sheet according to claim 1 or claim 4, wherein: the lower surface of the protective layer (3) corresponds to the position of the first clamping bulge (9) on the PHA layer (4) to form a second clamping bulge (11), and the lower surface of the elastic layer (2) forms a third clamping bulge (12) at the position of the second clamping bulge (11) on the protective layer (3).

6. A PHA and PETG blended hard sheet according to claim 1, wherein: the elastic layer (2) and the upper wear-resistant layer (1) are both transparent plate structures, and the filtering cotton layer (8) is of a plate-shaped structure.

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