Continuous thermal insulation self-compensation outer wall composite wallboard

Abstract

The utility model discloses a continuous heat preservation self-compensation outer wall composite wallboard, which relates to the technical field of constructional engineering and comprises a mortar layer, a fireproof heat preservation layer, a polyurethane layer and a light board base layer which are sequentially stacked, and first grooves are formed in one side, close to the polyurethane layer, of the fireproof heat preservation layer and one side, close to the polyurethane layer, of the light board base layer. The first grooves in the fireproof heat preservation layer and the first grooves in the light board base layer are arranged correspondingly, and first protruding strips matched with the first grooves are arranged on the two sides of the polyurethane layer correspondingly. The heat preservation structure further comprises heat preservation nails, the heat preservation nails sequentially penetrate through the fireproof heat preservation layer and the polyurethane layer from the mortar layer and stretch into the light board base layer, the front ends of the heat preservation nails are anchored to the interior of the light board base layer, and the heat preservation nails penetrate through the first protruding strips. According to the utility model, the connection strength among the fireproof thermal insulation layer, the polyurethane layer and the light board base layer can be improved; the anchoring parts of the heat preservation nails are arranged at the positions of the first protruding strips of the polyurethane layer, so that the cold-bridge-free structure of the composite wallboard is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering, and more specifically to a continuous thermal insulation self-compensation exterior wall composite wallboard. Background Art

[0002] At present, with the improvement of building energy-saving design standards, the single use of autoclaved aerated concrete panels can no longer meet the requirements of thermal performance of walls in cold and severe cold regions, and autoclaved aerated concrete panels also have freeze-thaw damage problems. At present, in the above regions, autoclaved aerated concrete panels are usually only used as interior wall panels or base wall panels that require additional exterior wall insulation systems. Therefore, it is necessary to composite autoclaved aerated concrete panels with other insulation layers, but in the prior art, autoclaved aerated concrete panels are formed by bonding autoclaved aerated concrete panels with other insulation panels, but bonding has the problem of loose connection, and adjacent panels are prone to falling off, and directly using bolts to cross the composite wall panels and anchor bolts to penetrate the entire structure will cause the effect of cold bridges.

[0003] Therefore, how to provide a composite wall panel that can improve the connection strength between the layers of the composite wall panel and avoid the influence of cold bridges is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0004] In view of this, the utility model provides a continuous thermal insulation self-compensating exterior wall composite wall panel, aiming to solve the problems in the above-mentioned background technology, improve the connection strength between each layer of the composite wall panel, and avoid the influence of cold bridges.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a continuous thermal insulation self-compensating exterior wall composite wallboard, comprising a mortar layer, a fireproof thermal insulation layer, a polyurethane layer and a lightweight board base layer stacked in sequence, wherein the fireproof thermal insulation layer and the lightweight board base layer are both provided with a first groove on one side close to the polyurethane layer, the first grooves on the fireproof thermal insulation layer and the lightweight board base layer are correspondingly arranged, and first raised strips adapted to the first grooves are respectively arranged on both sides of the polyurethane layer;

[0007] It also includes insulation nails, which pass through the fireproof insulation layer and the polyurethane layer in sequence from the mortar layer and extend into the interior of the lightweight board base layer. The end of the insulation nail contacts the mortar layer, the front end of the insulation nail is anchored to the interior of the lightweight board base layer, and the insulation nail passes through the first raised strip.

[0008] According to the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model, the first groove on the fireproof thermal insulation layer and the lightweight board base layer is arranged throughout the length direction of the fireproof thermal insulation layer and the lightweight board base layer.

[0009] According to the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model, at least two of the first grooves are arranged on the fireproof thermal insulation layer and the lightweight board base layer.

[0010] The continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model further comprises a glass fiber mesh, and the glass fiber mesh is arranged inside the mortar layer.

[0011] According to the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model, the two long sides of the polyurethane layer are both provided with corresponding arc grooves throughout the body.

[0012] According to the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model, the two long sides of the lightweight board base layer are respectively provided with a second groove and a second raised strip, and the second groove and the second raised strip are adapted to each other.

[0013] According to the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model, the first groove is a mortise and tenon groove.

[0014] According to the continuous thermal insulation self-compensating exterior wall composite wall panel provided by the utility model, a steel cage or a steel mesh is arranged inside the lightweight board base.

[0015] It can be known from the above technical scheme that compared with the prior art, the utility model discloses a continuous thermal insulation self-compensating exterior wall composite wall panel, by providing a first groove on the side close to the polyurethane layer on the fireproof thermal insulation layer and the lightweight board base layer, and providing first raised strips adapted to the first groove on both sides of the polyurethane layer, thereby improving the connection strength between the fireproof thermal insulation layer, the polyurethane layer and the lightweight board base layer; by setting the anchoring part of the insulation nail at the position of the first raised strip of the polyurethane layer, since the thermal conductivity of the polyurethane is lower than that of the upper and lower layers of materials, the insulation nail passes through the first raised strip, and the thicker polyurethane with low thermal conductivity here compensates for the cold bridge effect caused by the insulation nail penetrating the composite wall panel, thereby realizing a cold bridge-free structure of the composite wall panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the structure of the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model;

[0018] Figure 2 The utility model provides Figure 1 A partial enlarged view of middle C;

[0019] Figure 3 A schematic structural diagram of the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model from another perspective;

[0020] Figure 4 A top view of the continuous thermal insulation self-compensating exterior wall composite wallboard provided by the utility model;

[0021] Figure 5 The utility model provides Figure 4 Sectional view in the AA direction;

[0022] Figure 6 A schematic diagram of the structure of the heat preservation nail provided by the utility model;

[0023] Figure 7 A schematic diagram of the structure of the heat preservation nail provided by the utility model from another perspective;

[0024] Figure 8 A schematic diagram of the structure of the mounting member provided by the utility model;

[0025] Fig. 9 A schematic diagram of the connection structure between the mounting piece and the steel cage provided by the utility model;

[0026] Fig.10 The utility model provides Fig. 9 A partial enlarged view of D in the middle.

[0027] Among them: 1 is a mortar layer; 2 is a fireproof insulation layer; 3 is a polyurethane layer; 4 is a lightweight board base layer; 5 is a first groove; 6 is a first raised strip; 7 is an insulation nail; 71 is a sleeve; 72 is a nail body; 73 is an easily deformed part; 74 is an anti-slip structure; 75 is an open groove; 8 is an arc groove; 9 is a second groove; 10 is a second raised strip; 11 is a mounting part; 111 is a shell; 112 is a cover plate; 113 is a sliding plate; 114 is a connecting steel bar; 115 is a connecting column; 116 is a threaded hole; 12 is a steel cage. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-5The embodiment of the utility model discloses a continuous thermal insulation self-compensating exterior wall composite wallboard, comprising a mortar layer 1, a fireproof thermal insulation layer 2, a polyurethane layer 3 and a lightweight board base layer 4 which are stacked in sequence, the fireproof thermal insulation layer 2 and the lightweight board base layer 4 are both provided with a first groove 5 on one side close to the polyurethane layer 3, the first grooves 5 on the fireproof thermal insulation layer 2 and the lightweight board base layer 4 are correspondingly arranged, and first protruding strips 6 adapted to the first grooves 5 are respectively arranged on both sides of the polyurethane layer 3;

[0030] It also includes insulation nails 7, which penetrate the fireproof insulation layer 2 and the polyurethane layer 3 in sequence from the mortar layer 1 and extend into the interior of the lightweight board base layer 4. The end of the insulation nail 7 contacts the mortar layer 1, the front end of the insulation nail 7 is anchored to the interior of the lightweight board base layer 4, and the insulation nail 7 penetrates the first raised strip 6.

[0031] It should be noted that the fireproof insulation layer 2 can adopt A-class insulation materials such as A2-class modified polyben board, rock wool board, lightweight aggregate insulation mortar vacuum insulation composite board, glue powder polystyrene particle vacuum insulation composite board or thermosetting composite polystyrene foam insulation board. The thickness of the fireproof insulation layer 2 is determined according to the design. When a composite vacuum insulation board is used, the depth of the first groove 5 should not damage the vacuum insulation board body; the lightweight board base layer 4 is an autoclaved aerated concrete board. In other embodiments, the lightweight board base layer 4 can also be selected from lightweight aggregate concrete board, foam concrete board, ceramsite lightweight concrete board or polystyrene particle lightweight concrete board.

[0032] The utility model is provided with a first groove 5 on the side of the fireproof and thermal insulation layer 2 and the light board base 4 close to the polyurethane layer 3, and a first protrusion 6 adapted to the first groove 5 is provided on both sides of the polyurethane layer 3, thereby improving the connection strength between the fireproof and thermal insulation layer 2, the polyurethane layer 3 and the light board base 4; by setting the anchoring part of the thermal insulation nail 7 at the position of the first protrusion 6 of the polyurethane layer 3, since the thermal conductivity of the polyurethane is lower than that of the upper and lower layers of the material, the thermal insulation nail 7 passes through the first protrusion 6, and the thicker polyurethane with low thermal conductivity here compensates for the cold bridge effect caused by the thermal insulation nail 7 penetrating the composite wallboard, thereby realizing the cold bridge-free structure of the composite wallboard. Among them, the number of the first grooves 5 is specifically set according to actual needs.

[0033] See also Figure 6 and 7In this embodiment, the heat preservation nail 7 includes a sleeve 71 and a nail body 72. One end of the sleeve 71 is provided with an easily deformable portion 73 coaxially arranged with the sleeve 71. The easily deformable portion 73 is a tubular structure. The outer surface of the easily deformable portion 73 is provided with an anti-slip structure 74. The inner cavity diameter of the easily deformable portion 73 is smaller than the inner cavity diameter of the sleeve 71. The easily deformable portion 73 is provided with at least two open grooves 75 from the end away from the sleeve 71 to the end close to the sleeve 71; the outer diameter of the nail body 72 is slightly larger than the inner cavity diameter of the easily deformable portion 73, and the nail body 72 is a smooth structure; wherein, when the nail body 72 is nailed into the sleeve 71 from the end of the sleeve 71 away from the easily deformable portion 73, the nail body 72 can easily deform the sleeve 71. The deformable part 73 expands to anchor the deformable part 73 on the outer surface of the deformable part 73 to the inside of the lightweight board base 4, so as to realize the anchor connection of the mortar layer 1, the fireproof and thermal insulation layer 2, the polyurethane layer 3 and the lightweight board base 4. Specifically, two opening grooves 75 are provided on the deformable part 73. The opening groove 75 is opened from the end of the deformable part 73 away from the sleeve 71 to the sleeve 71, so that the end of the deformable part 73 away from the sleeve 71 is a free end, and the end close to the sleeve 71 is a fixed end. Under the support of the nail body 72 inside the deformable part 73, the free end of the deformable part 73 is expanded, so that the deformable part 73 is anchored and connected to the inside of the lightweight board base 4. The anti-slip structure 74 can be a barb structure or other barb-like structures.

[0034] In a further embodiment, the first groove 5 on the fireproof and thermal insulation layer 2 and the lightweight board base layer 4 is arranged throughout the length direction of the fireproof and thermal insulation layer 2 and the lightweight board base layer 4. The first groove 5 arranged throughout the whole body is not only convenient for processing, but also increases the bonding area between the fireproof and thermal insulation layer 2, the polyurethane layer 3 and the lightweight board base layer 4 to a certain extent.

[0035] In a further embodiment, at least two first grooves 5 are provided on the fireproof insulation layer 2 and the lightweight board base layer 4. The number of the first grooves 5 is adjusted according to the different wind load design values ​​of the region where the composite wall panel is used. In this embodiment, two first grooves 5 are preferably provided.

[0036] In a further embodiment, the composite wallboard further comprises a glass fiber mesh (not shown in the figure), which is arranged inside the mortar layer 1. The arrangement of the glass fiber mesh can improve the strength of the mortar layer 1 and also prevent the mortar layer 1 from cracking.

[0037] In a further embodiment, both long sides of the polyurethane layer 3 are provided with corresponding arc grooves 8 throughout the body. In the specific use process, when a plurality of composite wall panels are sequentially spliced ​​to form an integral wall surface, the arc grooves 8 of two adjacent composite wall panels can form a through cavity, and by injecting polyurethane into the through cavity and filling the through cavity with polyurethane, the polyurethane layers 3 of adjacent composite wall panels can be completely connected together to form a continuous polyurethane layer 3, thereby avoiding the cold bridge effect caused by the board seam in the conventional practice, and at the same time, the setting of this structure can play a certain auxiliary role in the waterproof performance.

[0038] In a further embodiment, the two long sides of the lightweight board base layer 4 are respectively provided with a second groove 9 and a second protruding strip 10, and the second groove 9 and the second protruding strip 10 are adapted. In this way, when a plurality of composite wall panels are sequentially spliced ​​to form an integral wall surface, the second groove 9 and the second protruding strip 10 guide the splicing of adjacent composite wall panels, and also ensure the connection strength between adjacent composite wall panels.

[0039] In a further embodiment, the first groove 5 is a mortise and tenon groove. By setting the first groove 5 as a mortise and tenon groove, the connection strength between the polyurethane layer 3 and the fireproof insulation layer 2 and the lightweight board base layer 4 can be improved.

[0040] In a further embodiment, a steel cage 12 or a steel mesh is arranged inside the lightweight board base 4. In this arrangement, when the composite wall panel is arranged on the surface of the building, a frame is first built on the surface of the building using angle steels, and finally the composite wall panel is connected to the angle steels using bolts, that is, a mounting member 11 needs to be arranged on the surface of the composite wall panel. During the arrangement of the mounting member 11, the mounting member 11 can be connected to the steel cage 12 or the steel mesh, thereby improving the connection strength of the mounting member 11 on the composite wall panel.

[0041] See also Figure 8-10In a further embodiment, the composite wall panel provided by the utility model further includes a mounting member 11, the mounting member 11 includes: a shell 111, a cover plate 112, a sliding plate 113 and a connecting steel bar 114, one side of the shell 111 is an open structure; the cover plate 112 is fixedly connected to the side of the shell 111 provided with an opening, the cover plate 112 and the shell 111 are enclosed to form a cavity, the cover plate 112 has a through hole, and the through hole is connected to the cavity; the sliding plate 113 is slidably arranged in the cavity, and a connecting column 115 is arranged on the side of the sliding plate 113 facing the cover plate 112, and a threaded hole 116 is arranged on the connecting column 115, and the connecting The column 115 is located in the through hole, the outer diameter of the connecting column 115 is smaller than the minimum inner diameter of the through hole, the diagonal length of the sliding plate 113 is larger than the minimum inner diameter of the cavity, the connecting steel bar 114 is vertically arranged on the side of the cover plate 112 close to the shell 111, and one end of the connecting steel bar 114 is welded to the cover plate 112, and a hook is arranged on the side of the connecting steel bar 114 away from the cover plate 112, and the mounting part 11 is arranged on one side of the lightweight board base layer 4, the connecting steel bar 114 is connected to the steel cage 12 or steel mesh in the lightweight board base layer 4, and the hook is hooked on the steel cage 12 or the steel mesh, which further improves the connection strength of the mounting part 11 composite wall panel.

[0042] It should be noted that by restricting the sliding plate 113 in the cavity enclosed by the shell 111 and the cover plate 112, and ensuring that the sliding plate 113 can slide in all directions in the cavity, and the cavity can restrict the sliding plate 113 from rotating 360°, when the mounting member 11 is connected to the composite wall panel, the threaded hole 116 on the mounting member 11 is connected to the frame outside the building by bolts. When the composite wall panel is installed, the sliding plate 113 can slide in all directions to achieve universal fine-tuning of the installation position, thereby improving the flexibility of the installation of the composite wall panel.

[0043] The following further explains the continuous thermal insulation self-compensating exterior wall composite wall panel through a preparation method of the continuous thermal insulation self-compensating exterior wall composite wall panel, and the preparation method specifically includes the following steps:

[0044] S10, use a milling cutter to process the first groove 5 on the surface of the lightweight board base layer 4 and the surface of the fireproof insulation layer 2 respectively, the first groove 5 is processed along the length direction of the lightweight board base layer 4 and the fireproof insulation layer 2, after the first groove 5 is opened, the surface of the lightweight board base layer 4 and the surface of the fireproof insulation layer 2 are dusted, and an interface agent is sprayed on the surface of the lightweight board base layer 4, and pads or support molds are arranged on both sides of the lightweight board base layer 4.

[0045] S20, use a polyurethane spraying device to evenly spray the polyurethane black and white mixture onto the lightweight board base layer 4 located between the pads on both sides or the supporting molds, and use a lifting device to place the fireproof insulation layer 2 above the sprayed polyurethane, and the fireproof insulation layer 2 is provided with a side of the first groove 5 facing the lightweight board base layer 4, so that there is a certain preset distance between the fireproof insulation layer 2 and the lightweight board base layer 4, the polyurethane black and white material is foamed and shaped to form a polyurethane layer 3 between the lightweight board base layer 4 and the fireproof insulation layer 2, so that the polyurethane layer 3 is bonded to the lightweight board base layer 4 and the fireproof insulation layer 2, and a first raised strip 6 is formed in the first groove 5. In this embodiment, it is preferred to use a mold with an arc surface structure to support the lightweight board base layer 4 and the fireproof insulation layer 2. The mold with an arc surface structure is supported at the long side position of the lightweight board base layer 4 and the fireproof insulation layer 2, so that a space for the foaming of polyurethane black and white material is formed between the lightweight board base layer 4 and the fireproof insulation layer 2. Preferably, the structure of the mold with an arc surface structure extending between the lightweight board base layer 4 and the fireproof insulation layer 2 is a semicircular arc structure, so that after the polyurethane foaming is finally completed, the polyurethane layer 3 forms an arc groove 8 with a cross section of a semicircular arc on the two long sides. Preferably, the first groove 5 adopts a dovetail groove structure. Through the setting of the dovetail groove, the connection strength between the polyurethane layer 3 and the lightweight board base layer 4 and the fireproof insulation layer 2 can be improved. In other embodiments, the first groove 5 can also adopt other structures, as long as the first groove 5 can have a mutual restriction effect on the connection between the fireproof insulation layer 2, the polyurethane layer 3 and the lightweight board base layer 4, to prevent the three from detaching.

[0046] S30, applying mortar on the surface of the fireproof and thermal insulation layer 2 to form a mortar layer 1. During the application of the mortar, a glass fiber mesh is pressed into the mortar to increase the strength of the mortar layer 1 and prevent the mortar layer 1 from cracking.

[0047] S40, install the insulation nail 7, pass the insulation nail 7 through the fireproof insulation layer 2 and the polyurethane layer 3 in sequence from one side of the mortar layer 1 and extend into the interior of the lightweight board base layer 4, and anchor the front end of the insulation nail 7 to the lightweight board base layer 4; specifically, the insulation nail 7 is set at the position of the first raised strip 6.

[0048] S50, spraying waterproof coating or scraping waterproof mortar on the surface of the mortar layer 1.

[0049] In some other embodiments, S10 and S20 may also be adjusted to the following steps:

[0050] S10, use a milling cutter to process the first groove 5 on the surface of the lightweight board base layer 4 and the surface of the fireproof insulation layer 2 respectively, and the first groove 5 is processed along the length direction of the lightweight board base layer 4 and the fireproof insulation layer 2. After the first groove 5 is opened, the surface of the lightweight board base layer 4 and the fireproof insulation layer 2 are dusted and sprayed with an interface agent, so that the surfaces of the lightweight board base layer 4 and the fireproof insulation layer 2 with the first groove 5 opened are opposite to each other, and a pad or a supporting mold is arranged between the lightweight board base layer 4 and the fireproof insulation layer 2 so that there is a through cavity between the lightweight board base layer 4 and the fireproof insulation layer 2.

[0051] S20, use polyurethane spraying equipment to spray the polyurethane black and white mixture into the through cavity, the polyurethane black and white material is foamed and shaped to form a polyurethane layer 3 between the lightweight board base layer 4 and the fireproof insulation layer 2, so that the polyurethane layer 3 is bonded to the lightweight board base layer 4 and the fireproof insulation layer 2, and a first raised strip 6 is formed in the first groove 5.

[0052] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0053] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A continuous thermal insulation self-compensating exterior wall composite wallboard, characterized in that: It comprises a mortar layer, a fireproof and thermal insulation layer, a polyurethane layer and a lightweight board base layer which are stacked in sequence, wherein the fireproof and thermal insulation layer and the lightweight board base layer are both provided with a first groove on one side close to the polyurethane layer, the first grooves on the fireproof and thermal insulation layer and the lightweight board base layer are arranged correspondingly, and first raised strips adapted to the first grooves are respectively provided on both sides of the polyurethane layer; It also includes insulation nails, which pass through the fireproof insulation layer and the polyurethane layer in sequence from the mortar layer and extend into the interior of the lightweight board base layer. The end of the insulation nail contacts the mortar layer, the front end of the insulation nail is anchored to the interior of the lightweight board base layer, and the insulation nail passes through the first raised strip.

2. The continuous thermal insulation self-compensating exterior wall composite wallboard according to claim 1 is characterized in that: The first grooves on the fireproof and thermal insulation layer and the lightweight board base layer are arranged along the length direction of the fireproof and thermal insulation layer and the lightweight board base layer.

3. The continuous thermal insulation self-compensating exterior wall composite wallboard according to claim 1 or 2, characterized in that: At least two of the first grooves are arranged on the fireproof and heat-insulating layer and the lightweight board base layer.

4. The continuous thermal insulation self-compensating exterior wall composite wallboard according to claim 1, characterized in that: It also includes a glass fiber mesh, which is arranged inside the mortar layer.

5. The continuous thermal insulation self-compensating exterior wall composite wallboard according to claim 1, characterized in that: The two long sides of the polyurethane layer are both provided with corresponding arc grooves throughout the body.

6. The continuous thermal insulation self-compensating exterior wall composite wallboard according to claim 1, characterized in that: The two long sides of the lightweight board base layer are respectively provided with a second groove and a second raised strip, and the second groove and the second raised strip are adapted to each other.

7. The continuous thermal insulation self-compensating exterior wall composite wallboard according to claim 1, characterized in that: The first groove is a mortise and tenon groove.

8. The continuous thermal insulation self-compensating exterior wall composite wallboard according to claim 1, characterized in that: A steel cage or a steel mesh is arranged inside the lightweight board base.

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