CN112343292B

CN112343292B - Foamed aluminum metal composite floor

Info

Publication number: CN112343292B
Application number: CN202011288406.6A
Authority: CN
Inventors: 袁维壮
Original assignee: Foshan Yueyuan Building Material Co ltd
Current assignee: Foshan Yueyuan Building Material Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2023-04-25
Anticipated expiration: 2040-11-17
Also published as: CN112343292A

Abstract

The invention provides a foamed aluminum metal composite floor, which relates to the technical field of composite floors, and comprises a composite floor body, wherein the composite floor body comprises a bottom plate and a panel, wherein the bottom plate and the panel are made of metal materials, the thickness of the bottom plate is 5 mm-10 mm, the thickness of the panel is 3 mm-6 mm, a containing cavity is formed after the bottom plate and the panel are connected, and a foamed aluminum block is arranged in the containing cavity; the two sides of the bottom plate are symmetrically provided with first assembly plates, the corresponding parts of the two sides of the panel are provided with second assembly plates matched with the first assembly plates, the top end of the first assembly plate is provided with round corners, the middle part of the first assembly plate is provided with clamping angles which downwards and smoothly extend outwards, and the lower end of the first assembly plate is provided with an arc surface; the second assembly plate is provided with a matched concave cambered surface and a concave angle matched with the clamping angle in shape. The foamed aluminum metal composite floor has the advantages of light structure, convenient assembly and disassembly, recycling, environment friendliness and good support property.

Description

Foamed aluminum metal composite floor

Technical Field

The invention relates to the technical field of composite floors, in particular to an aluminum foam metal composite floor.

Background

The floor, namely the surface layer of the house floor or the floor, is usually a wood floor or a ceramic floor during decoration, but the wood floor has low supporting strength and poor bearing effect on one hand, and chemical materials are often added or liquid medicine is adopted for soaking in order to pursue the flame retardance of the wood floor or prevent the wood floor from being damaged by worms on the other hand, so that a few gases which are unfavorable for health, such as formaldehyde, are easy to volatilize after being heated; for ceramic floors, a large amount of cement mortar is often needed to be prepared for adhering the ceramic floors so as to enhance the adsorption capacity of the ceramic floors and a base layer, but the cement mortar not only generates a large amount of dust when being blended, and pollutes the environment, but also controls the proportion between cement and sand quite accurately, which is inconvenient because of insufficient viscosity, too fast drying or easy cracking; the honeycomb plate is a plate which is made by firmly bonding two thinner panels on two sides of a thicker honeycomb core material, is also called a honeycomb sandwich structure, has the advantages of light weight, difficult deformation, strong sound insulation and shock resistance, moisture and fire resistance, easy installation and maintenance, high price, poor plasticity, a plurality of plate types, incapability of processing and the like, and is generally used for partition or decoration of high-grade KTV, bars, meetings, administrative buildings, supermarkets, windowsills, porches and the like because the bearing effect is not as good as that of a ceramic floor, and is generally used for the floor.

The composite floor is one of floors, the natural structure of the floor material is artificially changed, the floor with certain physical properties meeting expected requirements is achieved, the composite floor is often widely referred to as a reinforced composite wood floor and a solid wood composite floor in the market, and the composite floor has the advantages of high strength, uniform specification, no need of lacquering and waxing, wide application range, easiness in treatment and the like, and is the floor material most suitable for the rhythm of modern family life. However, conventional composite floors suffer from a number of drawbacks: the structure is heavy, flexible installation is not facilitated, the existing composite floor is basically a disposable product, and when a house needs to be repaired, the disassembled composite floor is always required to be scrapped, so that the waste is avoided, the environment is not protected, and resources are wasted; poor heat preservation performance, poor supporting capability and the like.

Disclosure of Invention

The invention overcomes the defects in the prior art, and provides the foamed aluminum metal composite floor which is light in structure, convenient to assemble and disassemble, recyclable, environment-friendly and good in support.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the utility model provides an aluminum foam metal composite floor, includes the composite floor body, the composite floor body is including bottom plate and the panel that adopts the metal material preparation to form, the panel can dismantle the connection be in the top of bottom plate, the thickness of bottom plate is 5mm ~10mm, the thickness of panel is 3mm ~6mm, be formed with the appearance chamber after bottom plate and panel connection, be provided with the aluminum foam piece in the appearance chamber, moreover the aluminum foam piece with bottom plate, panel are compound as an organic wholely.

Preferably, the two sides of the bottom plate are symmetrically provided with first assembly plates, the corresponding parts of the two sides of the panel are provided with second assembly plates matched with the first assembly plates, the top end of the first assembly plate is provided with a round angle, the middle part of the first assembly plate is provided with a clamping angle which is downwards smooth and outwards extends, the lower end of the first assembly plate is provided with an arc surface, the slope of the round edge of the round angle is 160-180 degrees, the slope formed by the clamping angle and a horizontal line is 70-75 degrees, and the slope of the round edge of the arc surface is 80-90 degrees; the second assembly plate is provided with an inward concave cambered surface matched with the circular arc cambered surface in shape and a concave angle matched with the clamping angle in shape.

Preferably, after the panel is connected with the bottom plate, the first assembly plate is located at the inner side of the second assembly plate, and the clamping angle and the arc surface are located on the outer side face of the first assembly plate.

Preferably, after the panel is connected with the bottom plate, a space is reserved between the joint of the outer side surface of the second assembly plate and the bottom plate.

Preferably, the concave angle includes a first forming surface and a second forming surface, the first forming surface is arranged in a shape of being inclined downward smoothly outwards, the gradient formed by the first forming surface and a horizontal line is 70-75 degrees, the second forming surface is arranged in a shape of being inclined downward smoothly inwards, and the gradient formed by the second forming surface and the horizontal line is 30-45 degrees.

Preferably, the upper and lower surfaces of the aluminum foam block are respectively provided with an adhesive layer, and the upper and lower surfaces of the aluminum foam block are respectively tightly connected with the inner wall of the panel and the inner wall of the bottom plate through the adhesive layers.

Preferably, one side of the composite floor body is provided with a clamping tenon, the other side of the composite floor body is provided with a clamping tenon groove, the clamping tenon groove is provided with a supporting platform, the front end of the supporting platform is provided with an anti-falling hook, the upper end of the supporting platform is coated with a limiting hook, and the clamping tenon is matched with the clamping tenon groove for use.

Preferably, the surfaces of the bottom plate and the panel are also provided with an antirust paint layer, the surface of the foamed aluminum block is provided with an uneven surface, the lower surface of the bottom plate is provided with a plurality of V-shaped stripes, and the inner wall of the panel and the inner wall of the bottom plate are both provided with rough surfaces for increasing the composite area.

Preferably, a keel leveling frame is further arranged below the composite floor body, a corner plate is connected to the keel leveling frame, and expansion screws are connected to the corner plate.

Preferably, the composite floor body is further provided with a decorative layer, and the decorative layer is a wood grain transfer layer, a solid wood skin layer, a natural stone layer, a ceramic sheet layer, a man-made stone layer, a fine ceramic board layer, a wood board layer, a decorative film layer, a fireproof board layer or a melamine layer.

The invention is supplemented with the explanation that the foamed aluminum block is adopted as the intermediate material, and the foamed aluminum block is skillfully applied to the field of composite floors. The foamed aluminum block is prepared by adding additives into pure aluminum or aluminum alloy and then foaming the pure aluminum or aluminum alloy, has the characteristics of metal and bubble, has the characteristics of small density, high impact absorption capacity, high temperature resistance, good heat preservation performance and the like, so that the integral supporting strength is improved, the foamed aluminum has excellent physical property, chemical property, mechanical property and recoverability, has the advantages of light weight, high specific stiffness, incombustibility and the like due to low heat conductivity coefficient, can be used as a heat insulation, heat preservation, cold preservation material and the like, has the characteristics of high damping performance, high impact energy absorptivity, incombustibility, good heat resistance, easiness in processing and the like, has the density of 0.1-0.4 times that of metal aluminum, has the bending resistance stiffness of 1.5 times that of steel, has the damping performance of 5-10 times that of metal aluminum, and can absorb 2.5MJ/cm when the foamed aluminum with the porosity of 84% generates 50% deformation ³ The energy, corrosion resistance, weather resistance, low moisture absorption, no aging, no toxicity, convenient cutting, drilling and cementing, can be bent into a required shape by mould pressing, can be subjected to surface treatment by using organic or inorganic paint, and can be covered on two sides to form a large-size light panel. However, there are some disadvantages that the foamed aluminum plate is easy to sink downwards and deform when bearing gravity directly, and can not be used as a floor with larger bearing capacity directly without the assistance of other technical means.

Compared with the prior art, the invention has the beneficial effects that:

the composite floor body comprises a bottom plate and a panel which are made of metal materials, the load bearing performance is good, the thickness is thinner under the condition of equal stress, the metal materials are fewer, the thickness of the bottom plate is only 5 mm-10 mm, the thickness of the panel is only 3-6 mm, the structure is light and thin, the carrying is convenient, and the labor and the gas are saved during the installation. The foamed aluminum block is compounded between the panel and the bottom plate, the rigidity characteristics of the panel and the bottom plate are fully utilized, the characteristics of small density, high impact absorption capacity, high temperature resistance, good heat preservation performance and the like of the foamed aluminum block are ingeniously utilized, the foamed aluminum block and the bottom plate are scientifically combined through technical means, the foamed aluminum block which is unsuitable for being used as a floor is ingeniously utilized in the field of floors, the metal composite floor has the advantages of good supporting strength, light weight, convenient assembly and disassembly or carrying, good heat insulation and heat preservation performance, high damping and shock absorption performance, high impact energy absorptivity, good heat resistance, easy processing and the like, is convenient to cut and install, is convenient to mold and is assembled into the metal composite floor in a required shape, and the manufacturing process is simple, and does not emit toxic gas harmful to human bodies. In addition, one side of the composite floor body is provided with a clamping tenon, and the other side is provided with a clamping tenon groove, and the clamping tenon groove are matched for use, so that adjacent composite floor bodies can be connected in sequence to form an integral paving for use; in addition, this laminate flooring body still has the installation nimble, construction swift, healthy environmental protection, characteristics such as repeatedly usable, and foam aluminum piece, bottom plate and panel all are metal material preparation and form, do not need insect proof liquid medicine to soak, can not produce harmful gas when being heated, pollute indoor air, insect proof is eaten effectually, fire prevention effectually, whole quality is light, and the roughness is good, can not produce warp etc. and warp, sturdy and durable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, in which:

FIG. 1 is a schematic illustration of the present composite floor body and keel leveling frame installation application;

FIG. 2 is a schematic view of the structure of the base plate, the aluminum foam block and the panel in a separated state;

FIG. 3 is a front view of the floor, aluminum foam block and panel in a separated condition;

FIG. 4 is an enlarged view of the encircled portion of FIG. 3;

FIG. 5 is an enlarged view of the encircled portion B in FIG. 3;

FIG. 6 is a schematic view of the connection of adjacent composite floor bodies;

fig. 7 is an enlarged view of a portion C encircled in fig. 6.

In the figure: 1-bottom plate, 11-first assembly plate, 111-fillet, 112-clip angle, 113-arc cambered surface, 12-V-shaped stripe, 2-panel, 21-second assembly plate, 211-concave cambered surface, 212-concave angle, 2121-first forming surface, 2122-second forming surface, 3-foamed aluminum block, 4-vacancy, 5-adhesive layer, 6-clip tenon, 7-clip tenon groove, 71-supporting platform, 72-unhook, 73-limit hook, 8-fossil fragments leveling frame, 9-angle plate, 10-expansion screw.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

As shown in fig. 1 to 7, the foamed aluminum metal composite floor of the preferred implementation of the invention comprises a composite floor body, a keel leveling frame 8 is arranged below the composite floor body, the keel leveling frame 8 is arranged on a concrete foundation layer, the keel leveling frame 8 is firstly arranged on the concrete foundation layer, then the composite floor body is paved on the keel leveling frame 8, the paving flatness is improved, the keel leveling frame 8 is connected with a corner plate 9 through welding or screws, the corner plate 9 is connected with expansion screws 10, and the corner plate 9 is locked on the concrete foundation layer through the expansion screws 10, so that the keel leveling frame 8 can be fixed.

The composite floor body comprises a bottom plate 1 and a panel 2 which are made of metal materials, in the embodiment, the bottom plate 1 and the panel 2 are made of aluminum materials, an antirust paint layer is arranged on the surfaces of the bottom plate 1 and the panel 2, the antirust effect is achieved, the service life is prolonged, the panel 2 is detachably connected above the bottom plate 1, a plurality of V-shaped stripes 12 are arranged on the lower surface of the bottom plate 1, the openings of the V-shaped stripes 12 face downwards, in the embodiment, the opening width of the V-shaped stripes 12 is 0.002mm-0.005 mm, the V-shaped stripes 12 are beneficial to increasing friction force between the V-shaped stripes and a keel leveling frame 8, so that the adhesion performance is improved, the thickness of the bottom plate 1 can be 5 mm-10 mm, such as 5.5mm, 6mm, 6.8mm, 7.5mm, 8mm, 9.2mm and 10mm, the thickness of the panel 2 is 3mm, such as 3.5mm, 4mm, 4.5mm, 5.8mm, 6mm, and the specific material can be conveniently removed, and the specific material is saved according to the specific conditions of the bottom plate is not determined; the bottom plate 1 is connected with the panel 2 and then forms a containing cavity, the containing cavity is internally provided with the foam aluminum block 3, the foam aluminum block 3 is formed by adding additives into pure aluminum or aluminum alloy and then performing a foaming process, and meanwhile, the foam aluminum block has the characteristics of low density, high impact absorption capacity, high temperature resistance and the like, so that the overall supporting strength is improved, the foam aluminum block is recycled, the environment-friendly effect is realized, in addition, the upper surface and the lower surface of the foam aluminum block 3 are both provided with the adhesive layer 5, the upper surface and the lower surface of the foam aluminum block 3 are respectively and tightly connected with the inner wall of the panel 2 and the inner wall of the bottom plate 1 through the adhesive layer 5, so that the tight layer degree of connection of the panel 2, the foam aluminum block 3 and the bottom plate 1 is enhanced, in addition, the foam aluminum block 3 can also effectively support the panel 2, the concave and the deformation are not easy to occur after the panel 2 is pressed, the uneven surface is formed on the outer surface of the foam aluminum block 3, the contact area with the adhesive layer 5 is improved, the composite adhesion effect is improved, the rough surface which is formed with the inner wall of the adhesive layer 2 and the inner wall of the bottom plate 1, the composite adhesion effect is the composite adhesion layer is improved, and the integral adhesion effect is improved.

The two sides of the bottom plate 1 are symmetrically provided with first assembly plates 11, the first assembly plates 11 and the bottom plate 1 are integrally formed, two corresponding parts of the two sides of the panel 2 are provided with second assembly plates 21 matched with the first assembly plates 11, the second assembly plates 21 and the panel 2 are integrally formed, the top end of the first assembly plates 11 is provided with round corners 111, the middle part is provided with clamping angles 112 which extend downwards and smoothly outwards, the lower end is provided with arc cambered surfaces 113, and the second assembly plates 21 are provided with concave cambered surfaces 211 matched with the arc cambered surfaces 113 in shape and concave corners 212 matched with the clamping angles 112 in shape; the principle of the design is that, during the installation process of the bottom plate 1 and the panel 2, as shown in fig. 2 or 3, the surface of the bottom plate 1 with the first assembly plate 11 is firstly placed horizontally upwards, then the foam aluminum block 3 is placed, then the surface of the panel 2 with the second assembly plate 21 is placed downwards, so that the panel 2 is clamped on the bottom plate 1, wherein the rounded corners 111 are arranged to avoid the end position of the first assembly plate 11 being too sharp, and the impact injury is caused during the transportation or installation process, in this embodiment, the round edge gradient of the rounded corners 111 is 160-180 degrees, such as 160-163-165-168-170-172-175-180 degrees, the relatively smooth or gentle design can be selected according to the actual situation, the clamping corners 112 are arranged to extend downwards smoothly outwards, in this embodiment, the gradient formed by the clamping corners 112 and the horizontal line can be 70-75 degrees, for example, the first assembly plate 11 and the second assembly plate 21 are preferably 72 °,73 °, 75 °, which is favorable for smooth insertion and assembly, not only achieves the purpose of fastening and fixing, but also improves the smoothness in assembly, because the second assembly plate 21 is made of aluminum, alloy or other relatively rigid metal materials, when the second assembly plate 21 is assembled to the first assembly plate 11 or assembled and disassembled for many times, the second assembly plate 21 may slightly expand outwards due to deformation, if the arc surface 113 and the concave surface 211 are both arranged in a vertical plane, the gap between the lower end position of the second assembly plate 21 and the first assembly plate 11 must be large, and in the design, due to the arrangement of the arc surface 113 and the concave surface 211, the second assembly plate 21 can be slightly expanded outwards, the arc surface 113 of the second assembly plate 21 still can be closely connected with the concave arc surface 211 of the second assembly plate 21, and the gap between the arc surface and the concave arc surface is smaller, in this embodiment, the slope of the circular edge of the arc surface 113 is 80 ° to 90 °, such as 81 °, 83 °, 85 °, 88 °, 90 °, and a relatively smooth design or a gentle design is selected according to actual requirements, which is not limited herein.

After the panel 2 is connected with the bottom plate 1, the first assembling plate 11 is located at the inner side of the second assembling plate 21, and the clamping angle 112 and the arc surface 113 are located on the outer side surface of the first assembling plate 11, which is intended to be that, taking fig. 3 as an example, when the left and right sides of the hand-held panel 2 are put down, one surface of the second assembling plate 21 connected with the first assembling plate 11 is located at the inner side, so that the second assembling plate 21 has isolation and protection effects on fingers, and the fingers are not easy to be involved between the first assembling plate 11 and the second assembling plate 21 to be injured. As shown in fig. 7, a space 4 is reserved between the outer surface of the second mounting plate 21 and the contact portion of the bottom plate 1, and the space 4 is designed to smoothly connect the second mounting plate 21 to the outer side of the first mounting plate 11 when the second mounting plate 21 is slightly expanded outward due to a plurality of mounting/dismounting operations or when the second mounting plate 21 is thick due to a problem of processing accuracy.

In addition, the concave angle 212 includes a first forming surface 2121 and a second forming surface 2122, the first forming surface 2121 is configured to be inclined downward smoothly outward, the second forming surface 2122 is configured to be inclined downward smoothly inward, the first forming surface 2121 is configured to be inclined smoothly outward, in this embodiment, the slope formed by the first forming surface 2121 and the horizontal line may be 70 ° to 75 °, such as 72 °,73 °, 75 °, which is beneficial for the second transfer plate 21 to slide down smoothly when the second transfer plate 21 is mounted downward on the first mounting plate 11, and reducing the resistance to the clip angle 112; the second forming surface 2122 is configured as a smooth inward inclined surface, in this embodiment, the slope formed by the second forming surface 2122 and the horizontal line may be 30 ° to 45 °, such as 31 °, 32 °, 34 °, 35 °, 37 °, 40 °, 42 °, which not only achieves the effect of clamping and limiting, but also facilitates the second transfer plate 21 to slide upward smoothly when the second transfer plate 21 is pulled upward and separated from the first assembly plate 11.

The composite floor comprises a composite floor body, wherein one side of the composite floor body is provided with a clamping tenon 6, the other side of the composite floor body is provided with a clamping tenon 7, the same side of a bottom plate 1 and a panel 2 is provided with the clamping tenon 6, the other same side of the bottom plate 1 and the panel 2 is also provided with the clamping tenon 7 so as to improve the stability of integral connection, in fig. 3, only the clamping tenon 6 and the clamping tenon 7 in the panel 2 are marked, the clamping tenon 6 is matched and matched with the clamping tenon 7 in shape, the composite floor body can be spliced together for use as shown in fig. 1 through the clamping tenon 6 and the clamping tenon 7, the supporting platform 71 is arranged in the clamping tenon 7, after the adjacent panels 2 are spliced, the supporting platform 71 is uniform in height and flat in surface, the front end of the supporting platform 71 is provided with an anti-unhook hook 72, the upper end inclusion is formed with a limit hook 73, the anti-unhook hook 72 can enable the adjacent panels 2 or the bottom plate 1 to be separated in the horizontal direction, the arrangement of the limit hook 73 can enable the adjacent panels 2 to be spliced together, or the adjacent panels 1 to be spliced in the vertical direction, the phenomenon cannot be skillfully designed, and the phenomenon of splicing cannot occur easily.

The top of laminate flooring body still is provided with the decorative layer, and this decorative layer can be customized as required according to customer's hobby, can be directly wood grain transfer layer, perhaps real wood cortex, natural stone material layer, ceramic wafer layer, rostone layer, fine porcelain sheet layer, wood sheet layer, decorate rete, fire prevention sheet layer or melamine layer etc. wherein, real wood cortex, natural stone material layer, ceramic wafer layer, rostone layer, fine porcelain sheet layer, wood sheet layer, decorate rete, fire prevention sheet layer or melamine layer are through adopting the mode of bonding to fix at the surface of laminate flooring body.

The installation references, can intercept the length of each installation component in advance when the mill customization according to the size that actual need was laid, like bottom plate 1, panel 2, foam aluminum piece 3, fossil fragments leveling frame 8, scute 9 and expansion screw 10, weld fossil fragments leveling frame 8 into the support body earlier, install on concrete foundation layer, then adopt welding or screw, bolted connection's mode to fix scute 9 in fossil fragments leveling frame 8's below, then through installation expansion screw 10 to wholly fix fossil fragments leveling frame 8 on concrete foundation layer firmly, be difficult to take place to remove. Then installing the composite floor body, splicing and paving the composite floor body on the upper surface of the keel leveling frame 8, wherein when installing the composite floor body, firstly, the surface of the bottom plate 1 with the first assembly plate 11 is horizontally arranged upwards, then the foam aluminum block 3 is put in, wherein the upper surface and the lower surface of the foam aluminum block 3, the inner wall of the panel 2 and the inner wall of the bottom plate 1 are coated with the adhesive layer 5, then the surface of the panel 2 with the second assembly plate 21 is downwards placed, the clamping angle 112 in the first assembly plate 11 is clamped into the concave angle 212 in the second assembly plate 21, and the bottom plate 1, the panel 2 and the foam aluminum block 3 are combined into a whole, and then the composite floor body can be spliced for use as shown in fig. 1 through the clamping tenon 6 and the clamping tenon groove 7. In the actual process, the surface treatment of the base plate 1 may be directly used as a wood grain transfer layer, or the base plate 1 may be coated with an adhesive, and then a solid wood skin layer, a natural stone layer, a ceramic sheet layer, an artificial stone layer, a fine ceramic sheet layer, a wood sheet layer, a decorative film layer, a fireproof sheet layer, a melamine layer, or the like may be adhered, which is not particularly limited herein. This is one of the preferred mounting methods, and other mounting methods may be used, and appropriate modifications may be made according to the actual situation. The whole installation is simple, convenient and easy to operate; the installed composite floor body has the advantages of high supporting strength, attractive appearance, good mothproof effect, good fireproof effect, high flatness and the like. Particularly, the foamed aluminum metal composite floor has high damping performance and impact energy absorptivity at places where the floor is impacted greatly, such as dance halls, boxing halls and the like, and gives people more comfortable experience.

In the above description, the metal materials for manufacturing the bottom plate 1 and the face plate 2 may be steel, aluminum alloy, etc., and the contents such as structure and process, which are conventionally used in the prior art, are not repeated for the sake of brevity. The undisclosed processing techniques and parts are processed according to the conventional techniques of the prior art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it should be understood that the invention is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. The foamed aluminum metal composite floor is characterized by comprising a composite floor body, wherein the composite floor body comprises a bottom plate and a panel which are made of metal materials, the panel is detachably connected above the bottom plate, the thickness of the bottom plate is 5 mm-10 mm, the thickness of the panel is 3 mm-6 mm, a containing cavity is formed after the bottom plate is connected with the panel, a foamed aluminum block is arranged in the containing cavity, and the foamed aluminum block, the bottom plate and the panel are combined into a whole;

the two sides of the bottom plate are symmetrically provided with first assembly plates, the corresponding parts of the two sides of the panel are provided with second assembly plates matched with the first assembly plates, the top end of the first assembly plates is provided with round corners, the middle part of the first assembly plates is provided with clamping angles which downwards and smoothly extend outwards, the lower ends of the first assembly plates are provided with circular arc surfaces, the circular edge gradients of the round corners are 160-180 degrees, the gradients formed by the clamping angles and horizontal lines are 70-75 degrees, and the circular edge gradients of the circular arc surfaces are 80-90 degrees; the second assembly plate is provided with an inward concave cambered surface matched with the circular arc cambered surface in shape and a concave angle matched with the clamping angle in shape;

after the panel is connected with the bottom plate, the first assembly plate is positioned on the inner side of the second assembly plate, and the clamping angle and the arc surface are positioned on the outer side surface of the first assembly plate;

after the panel is connected with the bottom plate, a gap is reserved between the joint of the outer side surface of the second assembly plate and the bottom plate;

the concave angle comprises a first forming surface and a second forming surface, the first forming surface is arranged in a shape of being inclined downwards smoothly outwards, the gradient formed by the first forming surface and a horizontal line is 70-75 degrees, the second forming surface is arranged in a shape of being inclined downwards smoothly inwards, and the gradient formed by the second forming surface and the horizontal line is 30-45 degrees;

the upper surface and the lower surface of the foam aluminum block are respectively provided with an adhesive layer, and the upper surface and the lower surface of the foam aluminum block are closely connected with the inner wall of the panel and the inner wall of the bottom plate respectively through the adhesive layers;

the composite floor comprises a composite floor body, wherein one side of the composite floor body is provided with a clamping tenon, the other side of the composite floor body is provided with a clamping tenon groove, the clamping tenon groove is provided with a supporting platform, the front end of the supporting platform is provided with an anti-unhooking hook, the upper end of the supporting platform is provided with a limiting hook in a wrapping mode, and the clamping tenon is matched with the clamping tenon groove in a matched mode.

2. The aluminum foam metal composite floor according to claim 1, wherein the surfaces of the bottom plate and the panel are further provided with an anti-rust paint layer, the outer surface of the aluminum foam block is provided with an uneven surface, the lower surface of the bottom plate is provided with a plurality of V-shaped stripes, and the inner wall of the panel and the inner wall of the bottom plate are both provided with rough surfaces for increasing the composite area.

3. The foamed aluminum metal composite floor according to claim 1, wherein a keel leveling frame is further arranged below the composite floor body, a corner plate is connected to the keel leveling frame, and expansion screws are connected to the corner plate.

4. The foamed aluminum metal composite floor according to claim 3, wherein a decorative layer is further arranged on the composite floor body, and the decorative layer is a wood grain transfer layer, a solid wood skin layer, a natural stone layer, a ceramic sheet layer, an artificial stone layer, a fine ceramic sheet layer, a wood sheet layer, a decorative film layer, a fireproof sheet layer or a melamine layer.