Fireproof and anti-aging metal surface rigid polyurethane sandwich panel

Abstract

The utility model discloses a fire-resistant anti-aging metal surface hard polyurethane sandwich panel which comprises a polyurethane sandwich panel body, and the polyurethane sandwich panel body comprises a polyurethane foaming layer, a first anti-aging fireproof layer and a second anti-aging fireproof layer. The polyurethane sandwich panel body, the polyurethane foaming layer, the first anti-aging fireproof layer, the first boron nitride coating layer, the first PE resin layer, the first acrylic coating layer, the second anti-aging fireproof layer, the second boron nitride coating layer, the second PE resin layer, the second acrylic coating layer, the metal plate and the anti-aging coating are matched with one another; and the fireproof and anti-aging effects are good, so that the service life of the device is greatly prolonged, and the market requirements can be greatly met.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane sandwich panels, in particular to a fire-resistant and aging-resistant metal-surface hard polyurethane sandwich panel. Background Art

[0002] Polyurethane sandwich panel is a composite panel with polyurethane rigid foam as the insulation layer. It is a highly efficient and energy-saving building enclosure material with a wide range of uses and great potential.

[0003] At present, as shown in the patent application number CN201821688897.1, the utility model discloses a metal-faced rigid polyurethane sandwich panel which is convenient for size cutting, comprising a rigid board, a first buckle is fixed at the middle position of one end of the outer wall of the rigid board, a buckle groove is fixed at the middle position of the other end of the outer wall of the rigid board, and a filling box is provided at the middle position of the front surface of the rigid board; by setting the first groove on the metal plate, the cutting knife is prevented from slipping during the cutting process and causing deviation in the cutting size; the setting of the scale line enables the staff to perform cutting of the required size without the help of measuring equipment, which is more convenient.

[0004] However, in actual use, the above patented sandwich panel has the following defects: poor fire resistance and anti-aging performance, short service life, and thus difficult to meet market demand. For this reason, we propose a fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel. Utility Model Content

[0005] The utility model aims to provide a fire-resistant and anti-aging metal-surface rigid polyurethane sandwich panel to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a fire-resistant and anti-aging metal-surface hard polyurethane sandwich panel, comprising:

[0007] A polyurethane sandwich panel body, the polyurethane sandwich panel body comprising a polyurethane foam layer, a first anti-aging fireproof layer and a second anti-aging fireproof layer, the top of the polyurethane foam layer is fixedly connected with the first anti-aging fireproof layer, and the bottom of the polyurethane foam layer is fixedly connected with the second anti-aging fireproof layer;

[0008] Metal plates, the top and bottom of the polyurethane sandwich panel body are fixedly connected with metal plates;

[0009] Anti-aging coating: the side of the metal plate away from the polyurethane sandwich panel body is fixedly connected with the anti-aging coating, and the anti-aging coating is made of modified epoxy resin.

[0010] Furthermore, the first anti-aging and fireproof layer comprises a first boron nitride coating layer, a first PE resin layer and a first acrylic coating layer, and the bottom of the first boron nitride coating layer is fixedly connected to the first PE resin layer.

[0011] Furthermore, the thickness of the first boron nitride coating layer is smaller than the thickness of the first PE resin layer, and the bottom of the first PE resin layer is fixedly connected with the first acrylic coating layer.

[0012] Furthermore, the thickness of the first PE resin layer is smaller than the thickness of the first acrylic coating layer.

[0013] Furthermore, the second anti-aging and fireproof layer includes a second boron nitride coating layer, a second PE resin layer and a second acrylic coating layer, and the second PE resin layer is fixedly connected to the top of the second boron nitride coating layer.

[0014] Furthermore, a second acrylic paint layer is fixedly connected to the top of the second PE resin layer, and the thickness of the second boron nitride paint layer is smaller than the thickness of the second PE resin layer.

[0015] Furthermore, the thickness of the second PE resin layer is smaller than the thickness of the second acrylic coating layer.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The utility model achieves good fire resistance and anti-aging performance through the cooperation of the polyurethane sandwich panel body, the polyurethane foam layer, the first anti-aging fireproof layer, the first boron nitride coating layer, the first PE resin layer, the first acrylic coating layer, the second anti-aging fireproof layer, the second boron nitride coating layer, the second PE resin layer, the second acrylic coating layer, the metal plate and the anti-aging coating, thereby greatly improving the service life of the device and greatly meeting market demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a side view structural schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the layered structure of the polyurethane sandwich panel body of the utility model;

[0021] Figure 4 This is a schematic diagram of the layered structure of the first anti-aging and fireproof layer of the utility model;

[0022] Figure 5 This is a schematic diagram of the layered structure of the second anti-aging and fireproof layer of the utility model.

[0023] In the figure: 1. polyurethane sandwich panel body; 11. polyurethane foam layer; 12. first anti-aging and fireproof layer; 121. first boron nitride coating layer; 122. first PE resin layer; 123. first acrylic coating layer; 13. second anti-aging and fireproof layer; 131. second boron nitride coating layer; 132. second PE resin layer; 133. second acrylic coating layer; 2. metal plate; 3. anti-aging coating. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] See also Figure 1-5A fire-resistant and aging-resistant metal-faced rigid polyurethane sandwich panel comprises a polyurethane sandwich panel body 1, the polyurethane sandwich panel body 1 comprises a polyurethane foam layer 11, a first anti-aging fireproof layer 12 and a second anti-aging fireproof layer 13, the top of the polyurethane foam layer 11 is fixedly connected with the first anti-aging fireproof layer 12, the bottom of the polyurethane foam layer 11 is fixedly connected with the second anti-aging fireproof layer 13, the top and bottom of the polyurethane sandwich panel body 1 are fixedly connected with a metal plate 2, the side of the metal plate 2 away from the polyurethane sandwich panel body 1 is fixedly connected with an anti-aging coating 3, and the anti-aging coating 3 is made of modified epoxy resin.

[0028] Specifically, the first anti-aging and fireproof layer 12 includes a first boron nitride coating layer 121 , a first PE resin layer 122 and a first acrylic coating layer 123 , and the first PE resin layer 122 is fixedly connected to the bottom of the first boron nitride coating layer 121 .

[0029] In a specific implementation, the thickness of the first boron nitride coating layer 121 is smaller than the thickness of the first PE resin layer 122 , and the first acrylic coating layer 123 is fixedly connected to the bottom of the first PE resin layer 122 .

[0030] Specifically, the thickness of the first PE resin layer 122 is smaller than the thickness of the first acrylic paint layer 123 .

[0031] In specific implementation, the second anti-aging fireproof layer 13 includes a second boron nitride coating layer 131 , a second PE resin layer 132 and a second acrylic coating layer 133 , and the second PE resin layer 132 is fixedly connected to the top of the second boron nitride coating layer 131 .

[0032] Specifically, the second acrylic paint layer 133 is fixedly connected to the top of the second PE resin layer 132 , and the thickness of the second boron nitride paint layer 131 is smaller than the thickness of the second PE resin layer 132 .

[0033] In a specific implementation, the thickness of the second PE resin layer 132 is smaller than the thickness of the second acrylic paint layer 133 .

[0034] In practical application: the polyurethane sandwich panel body 1, the polyurethane foam layer 11, the first anti-aging fireproof layer 12, the first boron nitride coating layer 121, the first PE resin layer 122, the first acrylic coating layer 123, the second anti-aging fireproof layer 13, the second boron nitride coating layer 131, the second PE resin layer 132, the second acrylic coating layer 133, the metal plate 2 and the anti-aging coating 3 cooperate with each other to achieve good fire resistance and anti-aging performance, thereby greatly improving the service life of the device, and thus being able to greatly meet market demand.

[0035] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0036] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel, characterized in that: include: A polyurethane sandwich panel body (1), the polyurethane sandwich panel body (1) comprising a polyurethane foam layer (11), a first anti-aging fireproof layer (12) and a second anti-aging fireproof layer (13), the top of the polyurethane foam layer (11) being fixedly connected to the first anti-aging fireproof layer (12), and the bottom of the polyurethane foam layer (11) being fixedly connected to the second anti-aging fireproof layer (13); A metal plate (2), the top and bottom of the polyurethane sandwich panel body (1) are both fixedly connected with the metal plate (2); An anti-aging coating (3), wherein the side of the metal plate (2) away from the polyurethane sandwich panel body (1) is fixedly connected with the anti-aging coating (3), and the anti-aging coating (3) is made of modified epoxy resin.

2. The fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel according to claim 1, characterized in that: The first anti-aging and fireproof layer (12) comprises a first boron nitride coating layer (121), a first PE resin layer (122) and a first acrylic coating layer (123), wherein the first boron nitride coating layer (121) is fixedly connected to the bottom thereof with the first PE resin layer (122).

3. The fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel according to claim 2, characterized in that: The thickness of the first boron nitride coating layer (121) is smaller than the thickness of the first PE resin layer (122), and the bottom of the first PE resin layer (122) is fixedly connected to the first acrylic coating layer (123).

4. The fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel according to claim 3, characterized in that: The thickness of the first PE resin layer (122) is smaller than the thickness of the first acrylic paint layer (123).

5. The fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel according to claim 4, characterized in that: The second anti-aging and fireproofing layer (13) comprises a second boron nitride coating layer (131), a second PE resin layer (132) and a second acrylic coating layer (133), and the second PE resin layer (132) is fixedly connected to the top of the second boron nitride coating layer (131).

6. The fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel according to claim 5, characterized in that: A second acrylic paint layer (133) is fixedly connected to the top of the second PE resin layer (132), and the thickness of the second boron nitride paint layer (131) is smaller than the thickness of the second PE resin layer (132).

7. The fire-resistant and anti-aging metal-faced rigid polyurethane sandwich panel according to claim 6, characterized in that: The thickness of the second PE resin layer (132) is smaller than the thickness of the second acrylic paint layer (133).

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