Anti-corrosion metal surface polyurethane sandwich panel structure

Through the design of the closed sandwich structure and curved support partition, the corrosion and structural strength problems of the polyurethane sandwich plate are solved, and efficient protection and enhanced performance of the polyurethane sandwich plate with corrosion-resistant metal surfaces is achieved.

CN223224028UActive Publication Date: 2025-08-15JIANGSU JINGXUE INSULATION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422467003.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-15
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

Traditional polyurethane sandwich panels are susceptible to condensate corrosion in cold storage applications, and the support strength of the middle structure is insufficient, resulting in shorter service life and deformation damage.

Method used

The closed sandwich structure is adopted, and the side of the core plate is closed with a sealing frame seat and an open seal seat. The curved surface supports the partition and separate the interlayer, and the interlayer is filled with polyurethane filler. Combined with stainless steel panels and protective coatings, it improves corrosion resistance and structural strength.

Benefits of technology

Effectively prevent water vapor from entering the interlayer, improve corrosion resistance, enhance the support strength of the central structure, extend service life and improve thermal insulation performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223224028U_ABST
    Figure CN223224028U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of polyurethane sandwich panels, and discloses a corrosion-resistant metal surface polyurethane sandwich panel structure, curved surface supporting partition plates are uniformly mounted in a cavity formed by a sealing frame seat and an opening sealing seat in a separated manner, and polyurethane fillers are filled in the cavity formed by the separation of the curved surface supporting partition plates; the edge side of the core plate is installed in a sealed mode through the sealing frame base and the opening sealing base which are arranged on the outer side of the core plate, water vapor can be prevented from entering the interlayer of the core plate, the corrosion resistance of the core plate is greatly improved, the curved-surface supporting partition plate is arranged in the interlayer of the core plate, an inner cavity of the interlayer is evenly partitioned through the curved-surface supporting partition plate, and the service life of the core plate is prolonged. By means of cavity separation, during filling operation, polyurethane filler can be evenly filled into the interlayers to avoid the occurrence of filling cavities, diffusion of water vapor in the interlayers can be hindered, the corrosion resistance of the core plate is further improved, and the structural supporting strength of the middle of the core plate can be effectively improved through supporting of the curved-surface supporting partition plates.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

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

[0002] The polyurethane sandwich panel is made by cold-bending galvanized color steel plates inside and outside and coating polyurethane rigid foam in the middle. The polyurethane sandwich panel has beautiful appearance and good overall effect. It integrates load-bearing, heat preservation, fire protection and waterproofing, and does not require secondary decoration. It is quick and convenient to install, with a short construction period and good comprehensive benefits. It has a good cost-effectiveness advantage. It is a highly efficient and energy-saving building enclosure material with a wide range of uses and great potential.

[0003] Due to the excellent thermal insulation properties of polyurethane sandwich panels, polyurethane sandwich panels are often used as external insulation structures of cold storage. Due to the temperature difference characteristics of cold storage, condensation water is easily generated on the surface layer of the sandwich panel. The sandwich side of traditional polyurethane sandwich panels is mostly open, and the entry of water vapor can easily cause internal corrosion of the core panel and reduce the service life of the core panel. In addition, the middle part of traditional sandwich panels is mostly hollow. The excessive cavity is not only prone to the appearance of polyurethane-filled cavity, but also because the middle part of the sandwich panel is only supported by polyurethane filler, the structural support strength of the middle part of the sandwich panel is poor. When subjected to external impact, the sandwich panel is easily deformed and damaged. For this reason, a corrosion-resistant metal-faced polyurethane sandwich panel structure is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a corrosion-resistant metal surface polyurethane sandwich panel structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a corrosion-resistant metal-surface polyurethane sandwich panel structure, comprising a core panel mechanism and a panel mechanism, wherein the core panel mechanism comprises a first guard plate, a sealing frame seat, an opening sealing seat, and a curved surface support partition, wherein the sealing frame seat, the opening sealing seat, and the curved surface support partition are all fixedly mounted on the upper portion of the first guard plate, and the curved surface support partition is evenly separated and mounted inside the cavity formed by the sealing frame seat and the opening sealing seat, and the cavity separated by the curved surface support partition is filled with a polyurethane filler;

[0006] The panel mechanism is installed on the upper part of the core plate mechanism, and the panel mechanism includes a second guard plate, an insulation interlayer and a protective panel. The insulation interlayer is installed between the second guard plate and the protective panel. The second guard plate is arranged at the bottom layer, and the second guard plate is fixedly installed with the sealing frame seat.

[0007] Preferably, both sides of the first guard plate, the second guard plate and the protective panel are treated with anti-corrosion treatment, and both sides of the sealing frame seat, the second guard plate and the protective panel are provided with a protective coating.

[0008] Preferably, the sealing frame seat is fixedly bonded to the upper side of the first guard plate by structural adhesive, and the opening sealing seat is fixedly bonded to the edge opening side of the sealing frame seat by structural adhesive.

[0009] Preferably, the above-mentioned curved support partitions are provided in plurality, and several of the curved support partitions are evenly fixedly installed on the upper part of the first guard plate, and the polyurethane filler is evenly filled and installed in the filling chamber formed by two adjacent curved support partitions.

[0010] Preferably, the bottom side of the second guard plate is fixedly mounted to the sealing frame seat and the upper portion of the curved support partition, and the thermal insulation interlayer and the protective panel are sequentially mounted on the upper layer of the second guard plate.

[0011] Preferably, the above-mentioned thermal insulation interlayer is fixedly clamped and installed between the second guard plate and the protective panel, and the upper part of the protective panel is evenly provided with liquid guide grooves.

[0012] Compared with the prior art, the above technical solution adopted by the present invention has the following technical effects:

[0013] The sandwich panel adopts a circumferentially closed sandwich installation structure, and uses a sealing frame seat and an opening sealing seat arranged on the outside of the core panel to seal and install the sides of the core panel, which can prevent water vapor from entering the interlayer of the core panel, thereby greatly improving the corrosion resistance of the core panel. A curved support partition is provided inside the interlayer of the core panel, and the curved support partition is used to evenly separate the inner cavity of the interlayer. The cavity separation allows the polyurethane filler to be evenly filled into the interlayer during the filling operation to avoid the appearance of filling cavities, and can hinder the diffusion of water vapor between the interlayers, which can further improve the corrosion resistance of the core panel. In addition, the support of the curved support partition can effectively improve the structural support strength of the middle part of the core panel, thereby greatly improving the structural strength of the core panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the split structure of the core plate mechanism and the panel mechanism of the present invention;

[0017] Figure 3 This is a schematic diagram of the installation structure of the curved support partition of the utility model;

[0018] Figure 4 This is a schematic diagram of the panel mechanism disassembly structure of the present utility model;

[0019] Figure 5 This is a schematic diagram of the layered cross-sectional structure of the guard plate structure of the present invention.

[0020] Explanation of the accompanying drawings: 1. First guard plate; 2. Sealing frame seat; 3. Opening sealing seat; 4. Curved support partition; 5. Polyurethane filler; 6. Second guard plate; 7. Thermal insulation interlayer; 8. Protective panel; 9. Liquid guide groove; 10. Protective coating. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0023] Example

[0024] See also Figure 1-5 The utility model provides a technical solution: a corrosion-resistant metal surface polyurethane sandwich panel structure, including a core panel mechanism and a panel mechanism, the core panel mechanism as the main structure of the sandwich panel, the core panel mechanism includes a first guard plate 1, a sealing frame seat 2, an opening sealing seat 3 and a curved surface support partition 4, the sealing frame seat 2, the opening sealing seat 3 and the curved surface support partition 4 are all fixedly installed on the upper part of the first guard plate 1 as the main support structure of the core panel, as shown in the attached figure. Figure 2 As shown, the sealing frame seat 2 is fixedly bonded to the upper side of the first protective plate 1 by structural adhesive, and the opening sealing seat 3 is fixedly bonded to the edge opening side of the sealing frame seat 2 by structural adhesive to form a closed frame structure. The sealing frame seat 2 and the opening sealing seat 3 arranged on the outside of the core board are used to seal and install the side of the core board, which can prevent water vapor from entering the interlayer of the core board and greatly improve the corrosion resistance of the core board.

[0025] The curved support partition 4 can be made of light plastic material, such as Figure 3 As shown, the curved support partition 4 is a continuous curved surface, and there are multiple curved support partitions 4. Several curved support partitions 4 are evenly fixedly installed on the upper part of the first guard plate 1. The curved support partitions 4 are evenly separated and installed inside the cavity formed by the sealing frame seat 2 and the opening sealing seat 3. The polyurethane filler 5 is evenly filled and installed in the filling chamber formed by two adjacent curved support partitions 4. The curved support partitions 4 are used to evenly separate the inner cavity of the interlayer. Through the cavity separation, the polyurethane filler 5 can be evenly filled into the interlayer during the filling operation to avoid the appearance of the filling cavity, and can hinder the diffusion of water vapor between the interlayers, which can further improve the corrosion resistance of the core board. In addition, the support of the curved support partitions 4 can effectively improve the structural support strength of the middle part of the core board, thereby greatly improving the structural strength of the core board.

[0026] The panel mechanism is installed on the upper part of the core plate mechanism, and the panel mechanism includes a second guard plate 6, a thermal insulation interlayer 7 and a protective panel 8, as shown in the attached Figure 4 As shown, the bottom side of the second guard plate 6 is fixedly installed with the sealing frame seat 2 and the upper part of the curved support partition 4. The first guard plate 1, the second guard plate 6 and the protective panel 8 are all made of stainless steel. In order to improve the corrosion resistance of the panel, the first guard plate 1, the second guard plate 6 and the protective panel 8 are treated with anti-corrosion on both sides. Figure 5 As shown, both sides of the sealing frame seat 2, the second guard plate 6 and the protective panel 8 are provided with a protective coating 10, and the protective coating 10 can be anti-rust spray paint.

[0027] The thermal insulation interlayer 7 and the protective panel 8 are sequentially installed on the upper layer of the second guard plate 6, as shown in the attached Figure 4 As shown, the thermal insulation interlayer 7 is fixedly sandwiched and installed between the second guard plate 6 and the protective panel 8. The thermal insulation interlayer 7 can be an insulating foam board with good thermal insulation properties, and is combined with the polyurethane filler 5 to form a double-layer insulation structure, which can further improve the thermal insulation properties of the sandwich panel. In order to facilitate the flow and discharge of water, liquid guide grooves 9 are evenly arranged on the upper part of the protective panel 8.

[0028] Working principle or structural principle, the second guard plate 6, the thermal insulation interlayer 7 and the protective panel 8 are pressed together by gluing to form a panel mechanism. During assembly, the curved support partition 4 and the sealing frame seat 2 are first glued and installed on the upper part of the first guard plate 1 by structural glue. After completion, the glue operation is performed on the upper part of the curved support partition 4 and the sealing frame seat 2. Then, the panel mechanism is glued and installed on the upper part to complete the splicing installation of the sandwich panel body. Then, the polyurethane filler 5 is filled into the cavity separated by the curved support partition 4 through the filling device. During filling, the separated cavities are filled in sequence so that the polyurethane filler 5 completely fills the cavity. Then, the connection and installation of the opening sealing seat 3 are completed by gluing, and the closed installation of the opening side of the plate body is completed. Then, the plate body is placed in the pressurizing device to maintain temperature and pressurization to complete the processing operation of the sandwich panel.

[0029] In summary, the sandwich panel adopts a circumferentially closed sandwich installation structure, and uses a sealing frame seat 2 and an opening sealing seat 3 arranged on the outside of the core panel to seal and install the sides of the core panel, which can prevent water vapor from entering the interlayer of the core panel, thereby greatly improving the corrosion resistance of the core panel, and a curved support partition 4 is provided inside the interlayer of the core panel, and the curved support partition 4 is used to evenly separate the inner cavity of the interlayer. Through the cavity separation, the polyurethane filler 5 can be evenly filled into the interlayer during the filling operation to avoid the appearance of filling cavities, and can hinder the diffusion of water vapor between the interlayers, which can further improve the corrosion resistance of the core panel, and the support of the curved support partition 4 can effectively improve the structural support strength of the middle part of the core panel, thereby greatly improving the structural strength of the core panel.

[0030] Those skilled in the art will appreciate that various combinations and / or combinations of features described in the various embodiments and / or claims of the present invention may be employed, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, various combinations and / or combinations of features described in the various embodiments and / or claims of the present invention may be employed without departing from the spirit and teachings of the present invention. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. A corrosion-resistant metal-surface polyurethane sandwich panel structure, comprising a core panel structure and a panel structure, characterized in that: The core plate mechanism comprises a first guard plate (1), a sealing frame seat (2), an opening sealing seat (3) and a curved surface supporting partition plate (4); the sealing frame seat (2), the opening sealing seat (3) and the curved surface supporting partition plate (4) are all fixedly mounted on the upper portion of the first guard plate (1); the curved surface supporting partition plate (4) is evenly separated and mounted inside the cavity formed by the sealing frame seat (2) and the opening sealing seat (3); and the cavity separated by the curved surface supporting partition plate (4) is filled with a polyurethane filler (5); The panel mechanism is installed on the upper part of the core plate mechanism, and the panel mechanism comprises a second protective plate (6), a thermal insulation interlayer (7) and a protective panel (8); the thermal insulation interlayer (7) is installed between the second protective plate (6) and the protective panel (8); the second protective plate (6) is arranged at the bottom layer; and the second protective plate (6) is fixedly installed with the sealing frame seat (2).

2. The corrosion-resistant metal-surface polyurethane sandwich panel structure according to claim 1, characterized in that: Both sides of the first guard plate (1), the second guard plate (6) and the protective panel (8) are subjected to anti-corrosion treatment, and both sides of the sealing frame seat (2), the second guard plate (6) and the protective panel (8) are provided with a protective coating (10).

3. The corrosion-resistant metal-surface polyurethane sandwich panel structure according to claim 1, characterized in that: The sealing frame seat (2) is fixedly bonded to the upper side of the first guard plate (1) by means of structural adhesive, and the opening sealing seat (3) is fixedly bonded to the edge opening side of the sealing frame seat (2) by means of structural adhesive.

4. The corrosion-resistant metal-surface polyurethane sandwich panel structure according to claim 3, characterized in that: A plurality of the curved surface support partitions (4) are provided, and several of the curved surface support partitions (4) are evenly fixedly installed on the upper portion of the first guard plate (1), and the polyurethane filler (5) is evenly filled and installed in the filling chamber formed by two adjacent curved surface support partitions (4).

5. The corrosion-resistant metal-surface polyurethane sandwich panel structure according to claim 4, characterized in that: The bottom side of the second guard plate (6) is fixedly mounted to the sealing frame seat (2) and the upper part of the curved support partition (4), and the thermal insulation interlayer (7) and the protective panel (8) are sequentially mounted on the upper layer of the second guard plate (6).

6. The corrosion-resistant metal-surface polyurethane sandwich panel structure according to claim 5, characterized in that: The thermal insulation interlayer (7) is fixedly clamped and installed between the second guard plate (6) and the protective panel (8), and the upper part of the protective panel (8) is evenly provided with liquid guide grooves (9).