Concave-convex hollow composite metal plate structure

Abstract

The concave-convex hollow composite metal plate structure comprises a hollow layer, a heat insulation core plate and a panel, the hollow layer comprises a plurality of sets of hollow rectangular groove plates and arc-shaped plates, and two sets of arc-shaped plates are arranged between every two sets of hollow rectangular groove plates. A hollow pipe structure is formed between the two sets of hollow rectangular groove plates and the two sets of arc-shaped plates, the right sides of the two sets of arc-shaped plates are welded to one set of hollow rectangular groove plates, and the upper ends and the lower ends of the right sides of the hollow rectangular groove plates are detachably connected with the two sets of arc-shaped plates correspondingly. According to the device, the size of the hollow layer can be reasonably set conveniently through detachable connection between the arc-shaped plate and the hollow rectangular groove plate, meanwhile, the hollow layer can be taken out when the device is recycled, the length of the hollow layer is continuously increased or the hollow layer is detached and divided, and the device is convenient to use and suitable for composite metal plates with different lengths.

Description

Technical Field

[0001] The utility model relates to the technical field of hollow composite metal plates, in particular to a concave-convex hollow composite metal plate structure. Background Art

[0002] Metal composite plate refers to a plate with another metal on top of a layer of metal, which has achieved the effect of saving resources and reducing costs without reducing the use effect (anti-corrosion performance, mechanical strength, etc.). The composite methods usually include explosive composite, explosive rolling composite, rolling composite, etc. Composite materials can be divided into composite plates, composite pipes, composite rods, etc. according to their appearance. They are mainly used in anti-corrosion, pressure vessel manufacturing, power construction, petrochemical, medicine, light industry, automobile and other industries;

[0003] The existing utility model with patent application number CN201922404412.2 discloses a heat-insulating and pressure-resistant vacuum brazing composite plate, comprising a hollow layer, a core plate and a panel plate, wherein the hollow layer is a vacuum core formed by welding an array of adjacent arc-shaped hollow tubes, and the left and right side walls of each group of arc-shaped hollow tubes are formed by hollow rectangular groove plates;

[0004] During use, the device can combine mechanical properties and vacuum insulation performance well, and can use the vacuum holes to evacuate the air to achieve good thermal insulation performance. However, the following defects still exist: the hollow layer in the device is a vacuum core formed by welding adjacent arc-shaped hollow tube arrays, so it is not convenient to modify it in the subsequent recycling device to adapt to composite panels of different sizes. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a concave-convex hollow composite metal plate structure, which can facilitate the reasonable setting of the size of the hollow layer through the detachable connection between the arc plate and the hollow rectangular groove plate. At the same time, when the device is recovered, the hollow layer can also be taken out and its length can be further lengthened or disassembled and divided, which is convenient for use and suitable for composite metal plates of different lengths.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a concave-convex hollow composite metal plate structure, comprising a hollow layer, a heat-insulating core plate and a panel, the hollow layer comprising a plurality of groups of hollow rectangular slot plates and arc plates, two groups of arc plates are arranged between every two groups of the hollow rectangular slot plates, a hollow tube structure is formed between the two groups of the hollow rectangular slot plates and the two groups of the arc plates, the right sides of the two groups of the arc plates are welded to one group of the hollow rectangular slot plates, and the upper and lower ends of the right side of the hollow rectangular slot plates are respectively detachably connected to the two groups of the arc plates;

[0007] A first through hole is opened on both sides of the hollow rectangular groove plate, and a second through hole is opened on the left side of each group of arc plates. The interior of the hollow tube structure composed of the hollow rectangular groove plate and the arc plate is connected to the interior of the hollow rectangular groove plate through the first through hole, and the interior of the hollow tube structure composed of the hollow rectangular groove plate and the arc plate is connected to the outside of the arc plate through the second through hole.

[0008] As a preferred technical solution of the utility model, the thermal insulation core panels are provided in two groups and are respectively located on the upper and lower sides of the hollow layer, the panel panels are provided in two groups and are respectively located outside the two groups of the thermal insulation core panels, and side panels are provided around the sides of the hollow layer, and the side panels are welded to the panel panels.

[0009] As a preferred technical solution of the utility model, an air extraction hole is opened on the side plate at a position corresponding to the first through hole.

[0010] As a preferred technical solution of the utility model, a first threaded hole is provided on the hollow rectangular groove plate at the clamping connection with the arc plate, and a second threaded hole is provided on the arc plate. The inner diameters of the first threaded hole and the second threaded hole are the same, and bolts are connected through the inner threads of the first threaded hole and the second threaded hole.

[0011] As a preferred technical solution of the utility model, positioning plates are fixed on the inner sides of the side plates corresponding to the hollow rectangular slot plates, and two groups of positioning plates are provided and are respectively located on the upper and lower sides of the hollow rectangular slot plates.

[0012] As a preferred technical solution of the utility model, the panel is a metal composite board, the thermal insulation core board is a high temperature resistant thermal insulation board, and the exhaust holes are provided with low temperature solder for automatic sealing.

[0013] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0014] The utility model can facilitate reasonable setting of the size of the hollow layer through the detachable connection between the arc plate and the hollow rectangular groove plate. At the same time, the hollow layer can be taken out and its length can be further lengthened or disassembled and divided during the recovery device, which is convenient for use and is suitable for composite metal plates of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 This is a schematic diagram of the structure of the hollow layer of the utility model;

[0018] Figure 4 For this utility model Figure 3 Enlarged view of point B in the middle.

[0019] Among them: 1. hollow layer; 11. hollow rectangular groove plate; 12. arc plate; 13. first through hole; 14. second through hole; 15. first threaded hole; 16. second threaded hole; 17. bolt; 2. thermal insulation core plate; 3. panel; 4. side plate; 5. positioning plate; 6. exhaust hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0021] Embodiment:

[0022] like Figure 1 , Figure 3 , Figure 4 As shown, the utility model provides a concave-convex hollow composite metal plate structure, including a hollow layer 1, a heat-insulating core plate 2 and a panel 3, wherein the hollow layer 1 includes a plurality of groups of hollow rectangular slot plates 11 and arc plates 12, and two groups of arc plates 12 are arranged between each two groups of the hollow rectangular slot plates 11, and a hollow tube structure is formed between the two groups of the hollow rectangular slot plates 11 and the two groups of the arc plates 12, and the right sides of the two groups of the arc plates 12 are welded to one group of the hollow rectangular slot plates 11, and the upper and lower ends of the right side of the hollow rectangular slot plates 11 are respectively detachably connected to the two groups of the arc plates 12;

[0023] Both sides of the hollow rectangular slot plate 11 are provided with a first through hole 13, and the left side of each group of the arc plates 12 is provided with a second through hole 14. The interior of the hollow tube structure composed of the hollow rectangular slot plate 11 and the arc plate 12 is connected with the interior of the hollow rectangular slot plate 11 through the first through hole 13, and the interior of the hollow tube structure composed of the hollow rectangular slot plate 11 and the arc plate 12 is connected with the outside of the arc plate 12 through the second through hole 14. A first threaded hole 15 is provided at the connection between the hollow rectangular slot plate 11 and the arc plate 12, and a second threaded hole 16 is provided on the arc plate 12. The inner diameters of the first threaded hole 15 and the second threaded hole 16 are the same, and the first threaded hole 15 and the second threaded hole 16 are internally threadedly connected with bolts 17;

[0024] When using the present device, the required multiple groups of hollow rectangular groove plates 11 and arc plates 12 can be first assembled as required to make them suitable for the required length, and the multiple groups of hollow rectangular groove plates 11 and arc plates 12 can be welded and installed by using bolts 17 in conjunction with the first threaded holes 15 and the second threaded holes 16. Clips or other structures that are convenient for disassembly and installation can also be provided to assemble them, and then the insulation core plate 2 and the panel 3 can be installed. The provision of the hollow layer 1 can improve the overall thermal insulation and sound insulation performance of the device, and the composite metal plate panel 3 and the insulation core plate 2 can further improve the strength and thermal insulation performance of the device. At the same time, when it is recycled in the later stage, the hollow layer 1 can be taken out and continued to be used, and it can also be further spliced ​​or disassembled as needed to make it suitable for composite metal plates of different lengths, which is in line with today's environmental protection concepts.

[0025] like Figure 1 , Figure 3 , Figure 4 As shown, the heat-insulating core board 2 is provided with two groups and is respectively located at the upper and lower sides of the hollow layer 1, the panel 3 is provided with two groups and is respectively located outside the two groups of the heat-insulating core boards 2, the sides of the hollow layer 1 are all provided with side panels 4, the side panels 4 are welded to the panel 3, and the side panels 4 are provided with exhaust holes 6 at positions corresponding to the first through holes 13, the panel 3 is a metal composite plate, the heat-insulating core board 2 is a high-temperature resistant insulation board, and the exhaust holes 6 are provided with low-temperature solder for automatic sealing;

[0026] When using this device, after the hollow layer 1 is spliced, the insulation core board 2 and the panel 3 are respectively welded together by brazing, and then multiple groups of side panels 4 are installed and welded to the panel 3 by brazing. At this time, low-temperature solder is placed at the exhaust hole 6, and then the entire device is placed in a vacuum furnace, first heated, and then evacuated to below 0.1Pa, and the temperature is maintained above 300°C to promote the discharge of gas in the hollow layer 1. Through the multiple groups of first through holes 13 and second through holes 14, the multiple groups of hollow tube structures inside the hollow layer 1 are all connected to the exhaust hole 6 to facilitate vacuuming, and then the temperature is raised to the sealing temperature, and the low-temperature solder melts to seal the exhaust hole 6. Thereafter, the temperature is lowered to solidify and the inner cavity of the hollow layer 1 is airtightly sealed. At this time, the device can be taken out of the vacuum furnace to obtain a complete composite metal plate structure.

[0027] like Figure 1 , Figure 2 As shown, a positioning plate 5 is fixed on the inner side of the side panel 4 corresponding to the hollow rectangular groove plate 11, and the positioning plates 5 are provided in two groups and are respectively located on the upper and lower sides of the hollow rectangular groove plate 11; by providing the positioning plates 5, it is convenient to position the side panel 4 when installing it, and it is convenient to weld the side panel 4 and the panel 3.

[0028] 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 concave-convex hollow composite metal plate structure, comprising a hollow layer (1), a heat insulating core plate (2) and a face plate (3), characterized in that: The hollow layer (1) comprises a plurality of groups of hollow rectangular slot plates (11) and arc plates (12), two groups of the arc plates (12) are arranged between every two groups of the hollow rectangular slot plates (11), a hollow tube structure is formed between the two groups of the hollow rectangular slot plates (11) and the two groups of the arc plates (12), the right sides of the two groups of the arc plates (12) are welded to one group of the hollow rectangular slot plates (11), and the upper and lower ends of the right side of the hollow rectangular slot plates (11) are respectively detachably connected to the two groups of the arc plates (12); Both sides of the hollow rectangular groove plate (11) are provided with a first through hole (13), and the left side of each group of the arc-shaped plates (12) is provided with a second through hole (14); the interior of the hollow tube structure composed of the hollow rectangular groove plate (11) and the arc-shaped plates (12) is connected to the interior of the hollow rectangular groove plate (11) through the first through hole (13), and the interior of the hollow tube structure composed of the hollow rectangular groove plate (11) and the arc-shaped plates (12) is connected to the outside of the arc-shaped plates (12) through the second through hole (14).

2. The concave-convex hollow composite metal plate structure according to claim 1, characterized in that: The heat-insulating core panels (2) are provided in two groups and are respectively located on the upper and lower sides of the hollow layer (1); the face panels (3) are provided in two groups and are respectively located outside the two groups of the heat-insulating core panels (2); the sides of the hollow layer (1) are provided with side panels (4) all around; the side panels (4) are welded to the face panels (3).

3. The concave-convex hollow composite metal plate structure according to claim 2, characterized in that: An air extraction hole (6) is provided on the side plate (4) at a position corresponding to the first through hole (13).

4. The concave-convex hollow composite metal plate structure according to claim 1, characterized in that: A first threaded hole (15) is provided at a location where the hollow rectangular groove plate (11) is snap-connected with the arc plate (12), and a second threaded hole (16) is provided on the arc plate (12). The inner diameters of the first threaded hole (15) and the second threaded hole (16) are the same, and a bolt (17) is internally threadedly connected between the first threaded hole (15) and the second threaded hole (16).

5. The concave-convex hollow composite metal plate structure according to claim 2, characterized in that: Positioning plates (5) are fixed on the inner side of the side plate (4) at positions corresponding to the hollow rectangular slot plate (11). Two groups of positioning plates (5) are provided and are respectively located on the upper and lower sides of the hollow rectangular slot plate (11).

6. The concave-convex hollow composite metal plate structure according to claim 3, characterized in that: The panel (3) is a metal composite plate, the heat-insulating core plate (2) is a high-temperature resistant heat-insulating plate, and the air extraction hole (6) is provided with low-temperature solder for automatic sealing.

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