Heat-insulating bridge structure of sandwich heat-insulating external wall panel and construction process of heat-insulating bridge structure

Abstract

The heat bridge breaking structure comprises a heat preservation sandwich layer located in the middle, an outer acanthus and an inner acanthus are arranged on the two sides of the heat preservation sandwich layer respectively, and the heat preservation sandwich layer is connected with the outer acanthus and the inner acanthus through a plurality of connecting assemblies for supporting the outer acanthus and the inner acanthus. According to the heat insulation bridge structure of the sandwich heat insulation external wall panel and the construction technology, the outer acanthus, the heat insulation sandwich layer and the inner acanthus are matched to form a formwork with an inner cavity and an outer cavity, concrete is poured into the cavities to form an outer acanthus wall and an inner acanthus wall, the outer acanthus and the inner acanthus are supported through the connecting assemblies, and the stable cavities are formed; the possibility that gaps between the heat preservation sandwich layers are increased or dislocation occurs due to the fact that the heat preservation sandwich layers are disturbed by concrete is reduced, and then the possibility that linear heat bridges are formed due to the fact that the effective thickness of the dislocation part heat preservation plate is reduced is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of sandwich thermal insulation exterior wall panels, and in particular to a thermal bridge breaking structure and a construction process of a sandwich thermal insulation exterior wall panel. Background Art

[0002] Ultra-low energy consumption buildings refer to buildings that can adapt to climate characteristics and site environment, use passive building design to minimize heating, air-conditioning, and lighting needs, use active technical measures to maximize the efficiency of energy equipment and systems, make full use of renewable energy, and provide a comfortable indoor environment with minimal energy consumption. Prefabricated buildings are buildings in which the main parts of the structural system, external protection system, equipment and pipeline system, and interior system are integrated with prefabricated components. It is a new type of building form that is currently being actively promoted and applied in my country.

[0003] Since the completion of the first ultra-low energy consumption building in my country in 2012, a high-performance insulation technology system for enclosing structures with external insulation systems as the main component has gradually been formed, covering the selection of insulation materials, energy-saving design, refined construction technology and management methods, etc.

[0004] Prefabricated sandwich insulation wall panels are composite walls formed by the blades on both sides, the middle insulation board and the connecting parts. They have the advantages of insulation, the same life as the structure, low fire risk and low later maintenance costs. Since the enclosure structure requires the use of refined construction technology and the construction process is complex, it requires high operating level of construction personnel. In actual projects, the construction personnel are more mobile and their operating levels are uneven, resulting in frequent project quality problems, which restricts the development of prefabricated ultra-low energy consumption buildings. Summary of the invention

[0005] In order to overcome the shortcomings of the prior art, the present invention proposes a thermal bridge breaking structure and construction process of a sandwich insulation exterior wall panel, including an insulation sandwich layer located in the middle position, outer blades and inner blades are respectively arranged on both sides of the insulation sandwich layer, the insulation sandwich layer is connected to the outer blades and the inner blades by a plurality of connecting components supporting the outer blades and the inner blades, an outer blade wall filling the gap between the insulation sandwich layer and the outer blade is provided between the insulation sandwich layer and the outer blade, an inner blade wall filling the gap between the insulation sandwich layer and the inner blade is provided between the insulation sandwich layer and the inner blade, and the outer blade wall and the inner blade are both located outside the connecting component.

[0006] To achieve the above-mentioned purpose, the outer blade plate, outer blade wall, insulation sandwich layer, inner blade wall and inner blade plate of the integrated structure are combined to form a composite material wall with thermal insulation performance. The outer blade plate, insulation sandwich layer and inner blade plate cooperate to form a template containing inner and outer cavities, and concrete is poured into the cavities respectively to form outer blade walls and inner blade walls. The construction is simple, the operation is convenient, and the finished product effect is good. The outer blade plate and the inner blade plate are supported by connecting components to form a stable cavity, while reducing the possibility of increasing the gap between the insulation sandwich layers or causing dislocation due to the disturbance of concrete in the insulation sandwich layer, thereby reducing the possibility of forming a linear thermal bridge due to the reduction of the effective thickness of the insulation board in the dislocated part.

[0007] Furthermore, the connecting component includes a connecting cross bar connecting the thermal insulation sandwich layer and the outer blade plate or connecting the thermal insulation sandwich layer and the inner blade plate, and a plurality of the connecting cross bars are arranged in an array, and both ends of each of the connecting cross bars are integrated with connecting plates, and the connecting plates and the connecting cross bars are also connected by supporting ribs.

[0008] Through the above technical solution, one end of each connecting cross bar is fixed to the insulation sandwich layer through the connecting plate, and the other end is fixed to the adjacent outer blade or inner blade through the connecting plate. The insulation sandwich layer, the outer blade and the inner blade are connected and fixed through the connecting cross bar, the connecting plate and the supporting rib plate of the integrated structure, ensuring that the gap between the outer blade, the inner blade and the insulation sandwich layer remains unchanged, while acting as a mold to facilitate the pouring of concrete.

[0009] Furthermore, a plurality of slots are evenly formed on the connecting cross bar, and the plurality of slots are arranged in an array along the long side direction of the connecting cross bar. The slots are provided with support components for supporting the outer leaf wall and the inner leaf wall.

[0010] Through the above technical solution, the support components are connected by connecting cross bars, the concrete strength of the outer leaf wall and the inner leaf wall is improved by the support components, the stability and integrity of the outer leaf wall and the inner leaf wall are ensured, and the position of the support components is determined by connecting the slots on the cross bars.

[0011] Furthermore, the support assembly includes a plurality of transverse steel bars and vertical steel bars arranged between the thermal insulation sandwich layer and the outer blade plate and between the thermal insulation sandwich layer and the inner blade plate, and the plurality of transverse steel bars and vertical steel bars are arranged in an array and fixedly combined to form a lattice-type skeleton, wherein a plurality of transverse steel bars adjacent to the connecting cross bar are clamped and connected to the connecting cross bar via a slot.

[0012] Through the above technical scheme, a lattice-type skeleton is formed by connecting cross bars to support the combination, and a number of transverse steel bars adjacent to the connecting cross bars are clamped and connected to the connecting cross bars through slots to facilitate the fixed connection between the skeleton and the connecting cross bars. The position of the skeleton can be adjusted as needed to facilitate the fixation of the skeleton and the connecting cross bars, thereby facilitating the pouring of concrete.

[0013] Furthermore, the thermal insulation sandwich layer is integrated with a plurality of obliquely inserted steel bars in an eight-shaped combination, and the plurality of obliquely inserted steel bars are arranged in an array. The obliquely inserted steel bars penetrate the thermal insulation sandwich layer, and the portion of the obliquely inserted steel bars passing through the thermal insulation sandwich layer is fixedly connected to the adjacent lattice-type frame. The outer blade, the thermal insulation sandwich layer and the inner blade are fixedly connected by a plurality of long axes arranged in an array, one end of the long axis penetrates the outer blade and is fixed to the outer blade, and the other end penetrates the thermal insulation sandwich layer and is fixed to the thermal insulation sandwich layer, and the long axis passing through the thermal insulation sandwich layer passes through the inner blade and is fixed to the inner blade.

[0014] Through the above technical solution, the obliquely inserted steel bars are coordinated with the frame to improve the load-bearing capacity of the device, and the outer blades, the insulation sandwich layer and the inner blades are connected by a long axis to further improve the load-bearing capacity of the device and the stability of the connection.

[0015] Furthermore, the part of the long axis passing through the outer blade is fixed with an insulation sheet that fits perfectly with the outer side wall of the outer blade, and one end of the long axis passing through the inner blade is connected to a decorative panel via an assembly component, and the gap between the decorative panel and the inner blade is filled with insulation material.

[0016] Through the above technical scheme, the possibility of point-like thermal bridges formed by the long axis with high thermal conductivity being reduced by fixing the insulation sheet on the outer blade and closing the part of the long axis passing through the outer blade, as well as the decorative panel and the insulation material, is reduced. At the same time, the assembly of the decorative panel is facilitated by connecting the components, and indoor wiring is also facilitated.

[0017] Furthermore, the assembly component includes a strip mounting seat that is integrated with the long axis passing through the inner blade plate, and a strip groove is provided on the side of the strip mounting seat that is away from the long axis. A strip support seat nested outside the strip mounting seat is fixed on the side of the decorative panel facing the inner blade plate, and the strip support seat is bent and extended toward the side of the strip groove and is tightly connected with the strip groove. The gap between the strip support seat and the decorative panel is a wiring groove, and a pressure plate arranged in an array along the long side direction of the strip support seat is also fixed on the strip support seat, and the pressure plate, the strip support seat and the strip mounting seat are fixed by expansion screws.

[0018] Through the above technical scheme, the strip mounting seat and the strip supporting seat fixed by mutual clamping sleeves cooperate to facilitate the fixed connection between the decorative panel and the inner leaf plate. The stability of the connection between the decorative panel and the inner leaf plate is improved by the cooperation of the pressure plate and the expansion screw. By setting the wiring groove, wiring is convenient without the need for additional grooving, and the aesthetics of the decorative panel is not affected.

[0019] Furthermore, the insulation sandwich layer is composed of a plurality of insulation boards arranged in an array in the vertical direction, a positioning groove with a wedge-shaped cross-section is provided at the bottom of each insulation board, and a positioning block adapted to the positioning groove is integrated at the top of each insulation board, and the plurality of insulation boards are clamped and fixed by the positioning groove and adjacent positioning blocks.

[0020] Through the above technical solution, several insulation boards are stacked in the vertical direction and are clamped and connected through positioning grooves and positioning blocks, and the positioning grooves and positioning blocks are both wedge-shaped in cross-section, which facilitates the clamping and fixing of several insulation boards.

[0021] Furthermore, a plurality of transverse edge-sealing tapes are attached to the outside of the insulation board, and the plurality of transverse edge-sealing tapes seal the connection gaps between the plurality of insulation boards.

[0022] Through the above technical solution, by setting a plurality of edge sealing tapes, the possibility of concrete entering the gaps of the insulation boards and hardening to form slag inclusions and generate thermal bridges is reduced.

[0023] Furthermore, the specific steps of the present invention are as follows:

[0024] S1: Combine a suitable number of insulation boards to form an insulation sandwich layer;

[0025] S2: The connecting crossbar is evenly fixed on the insulation sandwich layer;

[0026] S3: tying and fixing a lattice frame composed of a number of transverse steel bars and vertical steel bars and a number of figure-eight obliquely inserted steel bars, wherein the lattice frame is fixed on the connecting cross bar, and the obliquely inserted steel bars penetrate the thermal insulation sandwich layer and are fixed to the adjacent lattice frame;

[0027] S4: Cast the outer blade and lay out the long shaft and other embedded parts;

[0028] S5: pouring inner blade plate;

[0029] S6: Assemble the outer blade, the inner blade and the insulation sandwich layer, the long axis penetrates and fixes the outer blade, the inner blade and the insulation sandwich layer, and connects the cross bar, the connecting plate and the supporting rib plate to the adjacent outer blade and inner blade to fix;

[0030] S7: transport the device to the construction site;

[0031] S8: Clean the construction location, install the integrated structure consisting of the outer blade, the inner blade and the insulation sandwich layer, and fix the device to the embedded parts at the construction location;

[0032] S9: After splicing, use tape to adhere to the splicing position and both ends, and then fix the template to both ends to close the cavity between the outer blade, the inner blade and the insulation sandwich layer;

[0033] S10: Reinforce the cavity and pour plastic concrete into the cavity;

[0034] S11: Removal of formwork and reinforcement.

[0035] In summary, the thermal bridge breaking structure and construction process of the sandwich insulation exterior wall panel have the following beneficial effects:

[0036] (1) The heat-insulating exterior wall panel has a heat-breaking structure and construction process. The outer blade, outer wall, heat-insulating sandwich layer, inner wall and inner blade of the integrated structure are combined to form a composite material wall with heat-insulating performance. The outer blade, heat-insulating sandwich layer and inner blade cooperate to form a template with inner and outer cavities. Concrete is poured into the cavities to form the outer blade wall and the inner blade wall. The construction is simple, the operation is convenient and the finished product effect is good. The outer blade and the inner blade are supported by connecting components to form a stable cavity. At the same time, the possibility of increasing the gap between the heat-insulating sandwich layers or causing dislocation due to the disturbance of concrete in the heat-insulating sandwich layer is reduced, thereby reducing the possibility of forming a linear heat bridge due to the reduction of the effective thickness of the heat-insulating board in the dislocated part.

[0037] (2) The thermal bridge breaking structure and construction process of the sandwich insulation exterior wall panel are to reduce the possibility of point-shaped thermal bridges formed by the long axis with high thermal conductivity by fixing the insulation sheet on the outer blade and closing the part of the long axis passing through the outer blade, and cooperating with the decorative panel and insulation material. At the same time, the assembly of the decorative panel is convenient through the connection components, and the indoor wiring is also convenient.

[0038] (3) The thermal bridge breaking structure and construction process of the sandwich insulation exterior wall panel are coordinated with the strip mounting seat and the strip supporting seat fixed by mutual clamping sleeves to facilitate the fixed connection between the decorative panel and the inner leaf plate. The stability of the connection between the decorative panel and the inner leaf plate is improved by cooperating with the pressure plate and the expansion screw. The wiring groove is provided to facilitate wiring without the need for additional grooving, which does not affect the aesthetics of the decorative panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The present invention will be further described and explained below in conjunction with the accompanying drawings.

[0040] Figure 1 It is a schematic diagram of the overall structure of the preferred embodiment of the present invention;

[0041] Figure 2 It is a schematic diagram of the overall top view structure of the present invention;

[0042] Figure 3 It is a schematic diagram of the overall side view structure of the present invention;

[0043] Figure 4 It is a schematic diagram of the overall bottom-up structure of the present invention;

[0044] Figure 5 It is a schematic diagram of the structure of the present invention for reflecting the oblique insertion of steel bars;

[0045] Figure 6 The present invention Figure 5 The enlarged structural diagram at A in the middle;

[0046] Figure 7 The present invention Figure 5 Enlarged structural diagram at B in the middle.

[0047] Figure numerals: 1. Insulation sandwich layer; 101. Insulation board; 102. Positioning groove; 103. Positioning block; 2. Outer blade; 3. Inner blade; 4. Connection assembly; 401. Connecting cross bar; 402. Connection plate; 403. Support rib; 404. Slot; 5. Outer blade wall; 6. Inner blade wall; 7. Support assembly; 701. Horizontal steel bar; 702. Vertical steel bar; 8. Oblique steel bar; 9. Long axis; 10. Insulation sheet; 11. Decorative board; 12. Insulation material; 13. Strip mounting seat; 14. Strip groove; 15. Strip support seat; 16. Wiring trough; 17. Press plate. DETAILED DESCRIPTION

[0048] The technical solution of the present invention will be more clearly and completely explained below through the description of the preferred embodiments of the present invention in combination with the accompanying drawings.

[0049] like Figure 1-7 As shown, a thermal bridge breaking structure and construction process of a sandwich insulation exterior wall panel according to a preferred embodiment of the present invention comprises an insulation sandwich layer 1 located in the middle position, the insulation sandwich layer 1 is composed of a plurality of insulation boards 101 arranged in an array in the vertical direction, the plurality of insulation boards 101 are stacked in the vertical direction, a positioning groove 102 with a wedge-shaped cross section is provided at the bottom of each insulation board 101, a positioning block 103 adapted to the positioning groove 102 is integrated at the top of each insulation board 101, the cross sections of the positioning block 103 and the positioning groove 102 are both trapezoidal in shape that match each other, which is convenient for connection and does not require precise alignment, and the plurality of insulation boards 101 are clamped and fixed by the positioning groove 102 and the adjacent positioning blocks 103.

[0050] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 A plurality of transverse edge-sealing tapes are attached to the outside of the insulation board 101, and the plurality of transverse edge-sealing tapes seal the connection gaps between the insulation boards 101. By setting the plurality of edge-sealing tapes, the possibility of concrete entering the gaps of the insulation boards 101 and hardening to form slag inclusions and generate thermal bridges is reduced.

[0051] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5An outer blade plate 2 and an inner blade plate 3 are respectively arranged on both sides of the thermal insulation sandwich layer 1. The long sides of the outer blade plate 2, the inner blade plate 3 and the thermal insulation sandwich layer 1 are parallel and have the same size. The thermal insulation sandwich layer 1 is connected to the outer blade plate 2 and the inner blade plate 3 through a plurality of connecting components 4 supporting the outer blade plate 2 and the inner blade plate 3. An outer blade wall 5 filling the gap between the thermal insulation sandwich layer 1 and the outer blade plate 2 is arranged between the thermal insulation sandwich layer 1 and the outer blade plate 2. An inner blade wall 6 filling the gap between the thermal insulation sandwich layer 1 and the inner blade plate 3 is arranged between the thermal insulation sandwich layer 1 and the inner blade plate 3. The outer blade wall 5 and the inner blade wall 6 are both located outside the connecting component 4.

[0052] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 The outer blade 2, outer blade wall 5, thermal insulation sandwich layer 1, inner blade wall 6 and inner blade 3 of the integrated structure are combined to form a composite material wall with thermal insulation performance. The outer blade 2, thermal insulation sandwich layer 1 and inner blade 3 cooperate to form a template containing inner and outer cavities, and concrete is poured into the cavities respectively to form outer blade walls 5 and inner blade walls 6. The construction is simple, and no refined construction technology is required. The finished product effect is good. The outer blade 2 and the inner blade 3 are supported by the connecting component 4 to form a stable cavity. At the same time, the possibility of increasing the gap between the thermal insulation sandwich layers 1 or causing dislocation due to the disturbance of concrete in the thermal insulation sandwich layer 1 is reduced, thereby reducing the possibility of forming a linear thermal bridge due to the reduction of the effective thickness of the thermal insulation board 101 in the dislocated part.

[0053] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 The connecting component 4 includes a connecting cross bar 401 connecting the thermal insulation sandwich layer 1 and the outer blade 2 or connecting the thermal insulation sandwich layer 1 and the inner blade 3. Several connecting cross bars 401 are arranged in an array. Both ends of each connecting cross bar 401 are integrated with a connecting plate 402. The connecting plate 402 and the connecting cross bar 401 are also connected by a supporting rib 403.

[0054] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 One end of each connecting cross bar 401 is fixed to the thermal insulation sandwich layer 1 through a connecting plate 402, and the other end is fixed to the adjacent outer blade 2 or inner blade 3 through a connecting plate 402. The thermal insulation sandwich layer 1, the outer blade 2 and the inner blade 3 are connected and fixed through the connecting cross bar 401, the connecting plate 402 and the supporting rib 403 of the integrated structure, ensuring that the gap between the outer blade 2, the inner blade 3 and the thermal insulation sandwich layer 1 remains unchanged, while playing the role of a mold to facilitate the pouring of concrete.

[0055] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 and Figure 6 A plurality of slots 404 are evenly arranged on the connecting cross bar 401, and the slots 404 are arranged in an array along the long side direction of the connecting cross bar 401. A support assembly 7 for supporting the outer leaf wall 5 and the inner leaf wall 6 is provided on the slots 404. The support assembly 7 is connected by the connecting cross bar 401, and the concrete strength of the outer leaf wall 5 and the inner leaf wall 6 is improved by the support assembly 7 to ensure the stability and integrity of the outer leaf wall 5 and the inner leaf wall 6. The position of the support assembly 7 is determined by the slots 404 on the connecting cross bar 401.

[0056] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 The support assembly 7 includes a plurality of transverse steel bars 701 and vertical steel bars 702 arranged between the thermal insulation sandwich layer 1 and the outer blade 2 and between the thermal insulation sandwich layer 1 and the inner blade 3. The plurality of transverse steel bars 701 and vertical steel bars 702 are arranged in an array and fixedly combined to form a lattice-type skeleton, wherein a plurality of transverse steel bars 701 adjacent to the connecting cross bar 401 are clamped and connected to the connecting cross bar 401 through a clamping groove 404, and the lattice-type skeleton is supported and combined through the connecting cross bar 401. A plurality of transverse steel bars 701 adjacent to the connecting cross bar 401 are clamped and connected to the connecting cross bar 401 through a clamping groove 404, so as to facilitate the fixed connection between the skeleton and the connecting cross bar 401. The position of the skeleton can be adjusted as needed to facilitate the fixation of the skeleton and the connecting cross bar 401, thereby facilitating the pouring of concrete.

[0057] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 and Figure 6 A plurality of obliquely inserted steel bars 8 in an eight-shaped combination are integrated on the thermal insulation sandwich layer 1, and the plurality of obliquely inserted steel bars 8 are arranged in an array. The obliquely inserted steel bars 8 penetrate the thermal insulation sandwich layer 1, and the portion of the obliquely inserted steel bars 8 passing through the thermal insulation sandwich layer 1 is fixedly connected to the adjacent lattice frame. The outer blade 2, the thermal insulation sandwich layer 1 and the inner blade 3 are fixedly connected by a plurality of long axes 9 arranged in an array. One end of the long axis 9 penetrates the outer blade 2 and is fixed to the outer blade 2, and the other end penetrates the thermal insulation sandwich layer 1 and is fixed to the thermal insulation sandwich layer 1. The long axis 9 passing through the thermal insulation sandwich layer 1 passes through the inner blade 3 and is fixed to the inner blade 3. The obliquely inserted steel bars 8 cooperate with the frame to improve the load-bearing performance of the device. The outer blade 2, the thermal insulation sandwich layer 1 and the inner blade 3 are connected through the long axis 9, which further improves the load-bearing performance and connection stability of the device.

[0058] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 The part of the long axis 9 passing through the outer blade 2 is fixed with an insulation sheet 10 that is completely in contact with the outer wall of the outer blade 2. The end of the long axis 9 passing through the inner blade 3 is connected to a decorative panel 11 through an assembly component. The gap between the decorative panel 11 and the inner blade 3 is filled with insulation material 12. The insulation sheet 10 is fixed to the outer blade 2 and closes the part of the long axis 9 passing through the outer blade 2, as well as the decorative panel 11 and the insulation material 12. The possibility of the long axis 9 with a high thermal conductivity coefficient forming a point-like thermal bridge is reduced. At the same time, the connection component 4 facilitates the assembly of the decorative panel 11 and the indoor wiring.

[0059] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 and Figure 7 The assembly component includes a strip mounting seat 13 of an integrated structure with the long axis 9 passing through the inner blade plate 3, a strip groove 14 is opened on the side of the strip mounting seat 13 away from the long axis 9, and a strip support seat 15 nested outside the strip mounting seat 13 is fixed on the side of the decorative panel 11 facing the inner blade plate 3, the strip support seat 15 is bent and extended toward the side of the strip groove 14 and is clamped and connected with the strip groove 14, and the gap between the strip support seat 15 and the decorative panel 11 is a wiring groove 16, and a pressing plate 17 arranged in an array along the long side direction of the strip support seat 15 is also fixed on the strip support seat 15, and the pressing plate 17, the strip support seat 15 and the strip mounting seat 13 are fixed by expansion screws, and the thermal insulation material 12 fills the gap between the strip mounting seat 13, the strip support seat 15, the pressing plate 17 and the decorative panel 11 to further reduce thermal bridges.

[0060] like Figure 7 The strip mounting seat 13 and the strip supporting seat 15 fixed by mutual clamping sleeves cooperate to facilitate the fixed connection between the decorative panel 11 and the inner leaf plate 3. The pressure plate 17 and the expansion screws cooperate to improve the stability of the connection between the decorative panel 11 and the inner leaf plate 3. The wiring groove 16 is provided to facilitate wiring without the need for additional grooving, and does not affect the aesthetics of the decorative panel 11.

[0061] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 , the specific steps of the present invention are as follows:

[0062] S1: Assemble a suitable number of insulation boards 101 to form an insulation sandwich layer 1, apply glue at the connection of the insulation boards 101, and fix a suitable number of insulation boards 101 by means of positioning grooves 102 and positioning blocks 103, and stick adhesive tape at the connection of the insulation boards 101 to seal the gap at the connection of the insulation boards 101, so as to make a plurality of insulation sandwich layers 1;

[0063] S2: The connecting crossbar 401 is evenly fixed on the thermal insulation sandwich layer 1;

[0064] S3: Binding and fixing a lattice frame composed of a plurality of transverse steel bars 701 and vertical steel bars 702 and a plurality of obliquely inserted steel bars 8 in an eight-shaped manner, wherein the lattice frame is fixed on the connecting cross bar 401, and the obliquely inserted steel bars 8 penetrate the thermal insulation sandwich layer 1 and are fixed to the adjacent lattice frame;

[0065] S4: Cast the outer blade 2, lay the mold of the outer blade 2, apply the release agent, lay the steel mesh of the outer blade 2, and lay the embedded parts such as the long shaft 9 at the same time, lay the material, and vibrate after the laying is completed to ensure its density and uniformity;

[0066] S5: Cast the inner blade 3, lay the mold of the inner blade 3, apply the release agent, lay the steel mesh of the inner blade 3, lay the embedded parts, lay the materials, and vibrate after the laying is completed to ensure its density and uniformity;

[0067] S6: Assemble the outer blade 2, the inner blade 3 and the heat-insulating sandwich layer 1, and use a turning machine to turn over the inner blade 3 and the heat-insulating sandwich layer 1. The long axis 9 penetrates and fixes the outer blade 2, the inner blade 3 and the heat-insulating sandwich layer 1, and connects the cross bar 401, the connecting plate 402 and the supporting rib 403 to fix the adjacent outer blade 2 and the inner blade 3;

[0068] S7: transport the device to the construction site;

[0069] S8: Clean the construction location, install the integrated structure consisting of the outer blade 2, the inner blade 3 and the thermal insulation sandwich layer 1, and fix the device to the embedded parts at the construction location;

[0070] S9: After the splicing is completed, use adhesive tape to adhere to the splicing position and the two ends, and then fix the template to the two ends to close the cavity between the outer blade 2, the inner blade 3 and the insulation sandwich layer 1;

[0071] S10: Reinforce the cavity, pour plastic concrete into the cavity, and vibrate after the placement to ensure its density and uniformity;

[0072] S11: Remove formwork, tape and reinforcement that interfere with formwork.

[0073] The above specific implementations are only descriptions of the preferred implementations of the present invention, and do not limit the protection scope of the present invention. Without departing from the design concept and spirit of the present invention, various modifications, substitutions and improvements made by ordinary technicians in this field to the technical solution of the present invention based on the text description and drawings provided by the present invention should all fall within the protection scope of the present invention. The protection scope of the present invention is determined by the claims.

Claims

1. A thermal bridge breaking structure of a sandwich insulation exterior wall panel, characterized in that: The invention comprises a heat-insulating sandwich layer (1) located in the middle, outer blades (2) and inner blades (3) are respectively arranged on both sides of the heat-insulating sandwich layer (1), the heat-insulating sandwich layer (1) is connected to the outer blades (2) and the inner blades (3) by a plurality of connection components (4) supporting the outer blades (2) and the inner blades (3), an outer blade wall (5) is arranged between the heat-insulating sandwich layer (1) and the outer blades (2) to fill the gap between the heat-insulating sandwich layer (1) and the outer blades (2), an inner blade wall (6) is arranged between the heat-insulating sandwich layer (1) and the inner blades (3) to fill the gap between the heat-insulating sandwich layer (1) and the inner blades (3), and the outer blade wall (5) and the inner blade wall (6) are both located outside the connection component (4).

2. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 1, characterized in that: The connection assembly (4) comprises a connection cross bar (401) connecting the heat-insulating sandwich layer (1) and the outer blade (2) or connecting the heat-insulating sandwich layer (1) and the inner blade (3), wherein a plurality of the connection cross bars (401) are arranged in an array, and both ends of each of the connection cross bars (401) are integrated with a connection plate (402), and the connection plate (402) and the connection cross bar (401) are also connected via a supporting rib plate (403).

3. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 2, characterized in that: A plurality of slots (404) are evenly arranged on the connecting cross bar (401), and the plurality of slots (404) are arranged in an array along the long side direction of the connecting cross bar (401). A support assembly (7) for supporting the outer leaf wall (5) and the inner leaf wall (6) is provided on the slots (404).

4. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 3, characterized in that: The support assembly (7) comprises a plurality of transverse steel bars (701) and vertical steel bars (702) arranged between the heat-insulating sandwich layer (1) and the outer blade (2) and between the heat-insulating sandwich layer (1) and the inner blade (3), wherein the plurality of transverse steel bars (701) and vertical steel bars (702) are arranged in an array and fixedly combined to form a lattice-type skeleton, wherein a plurality of transverse steel bars (701) adjacent to the connecting cross bar (401) are clamped and connected to the connecting cross bar (401) via a clamping groove (404).

5. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 4, characterized in that: The thermal insulation sandwich layer (1) is integrated with a plurality of obliquely inserted steel bars (8) in an eight-shaped combination, the plurality of obliquely inserted steel bars (8) are arranged in an array, the obliquely inserted steel bars (8) penetrate the thermal insulation sandwich layer (1), and the portion of the obliquely inserted steel bars (8) that passes through the thermal insulation sandwich layer (1) is fixedly connected to an adjacent lattice frame; The outer blade (2), the heat-insulating sandwich layer (1) and the inner blade (3) are fixedly connected via a plurality of long axes (9) arranged in an array, one end of the long axis (9) passes through the outer blade (2) and is fixed to the outer blade (2), the other end passes through the heat-insulating sandwich layer (1) and is fixed to the heat-insulating sandwich layer (1), and the long axis (9) passing through the heat-insulating sandwich layer (1) passes through the inner blade (3) and is fixed to the inner blade (3).

6. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 5, characterized in that: The portion of the long axis (9) passing through the outer blade (2) is fixed with a heat-insulating sheet (10) that is completely in contact with the outer wall of the outer blade (2); one end of the long axis (9) passing through the inner blade (3) is connected to a decorative plate (11) through an assembly component; and a gap between the decorative plate (11) and the inner blade (3) is filled with a heat-insulating material (12).

7. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 6, characterized in that: The assembly component comprises a strip mounting seat (13) of an integrated structure with a long axis (9) passing through the inner blade plate (3); a strip groove (14) is provided on the side of the strip mounting seat (13) facing away from the long axis (9); a strip support seat (15) is fixed on the side of the decorative plate (11) facing the inner blade plate (3) and is nested outside the strip mounting seat (13); the strip support seat (15) is bent and extended toward the side of the strip groove (14) and is clamped and connected to the strip groove (14); a wiring groove (16) is provided in the gap between the strip support seat (15) and the decorative plate (11); a pressing plate (17) arranged in an array along the long side direction of the strip support seat (15) is also fixed on the strip support seat (15); the pressing plate (17), the strip support seat (15) and the strip mounting seat (13) are fixed by expansion screws.

8. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 1, characterized in that: The thermal insulation sandwich layer (1) is composed of a plurality of thermal insulation boards (101) arranged in an array in a vertical direction, a positioning groove (102) with a wedge-shaped cross section is provided at the bottom of each thermal insulation board (101), and a positioning block (103) adapted to the positioning groove (102) is integrated at the top of each thermal insulation board (101), and the plurality of thermal insulation boards (101) are clamped and fixed by the positioning groove (102) and the adjacent positioning blocks (103).

9. The thermal bridge breaking structure of a sandwich insulation exterior wall panel according to claim 8, characterized in that: A plurality of transverse edge-sealing tapes are adhered to the outside of the insulation board (101), and the plurality of transverse edge-sealing tapes seal the connection gaps between the plurality of insulation boards (101).

10. A construction process for a thermal bridge breaking structure of a sandwich insulation exterior wall panel, characterized in that: The specific steps of the present invention are as follows: S1: Assembling a suitable number of insulation boards (101) to form an insulation sandwich layer (1); S2: The connecting cross bar (401) is evenly fixed on the thermal insulation sandwich layer (1); S3: tying and fixing a lattice frame composed of a plurality of transverse steel bars (701) and vertical steel bars (702) and a plurality of obliquely inserted steel bars (8) in an eight-shaped manner, wherein the lattice frame is fixed on the connecting cross bar (401), and the obliquely inserted steel bars (8) penetrate the thermal insulation sandwich layer (1) and are fixed to the adjacent lattice frame; S4: Casting the outer blade (2) and laying out the long shaft (9) and other embedded parts; S5: pouring the inner blade plate (3); S6: Assemble the outer blade (2), the inner blade (3) and the heat-insulating sandwich layer (1), the long axis (9) penetrates and fixes the outer blade (2), the inner blade (3) and the heat-insulating sandwich layer (1), and connects the cross bar (401), the connecting plate (402) and the supporting rib plate (403) to fix the adjacent outer blade (2) and inner blade (3); S7: transport the device to the construction site; S8: cleaning the construction location, installing an integrated structure consisting of an outer blade plate (2), an inner blade plate (3) and a heat-insulating sandwich layer (1), and fixing the device to the embedded parts at the construction location; S9: After the splicing is completed, use adhesive tape to adhere to the splicing position and the two ends, and then fix the template to the two ends to close the cavity between the outer blade (2), the inner blade (3) and the thermal insulation sandwich layer (1); S10: Reinforce the cavity and pour plastic concrete into the cavity; S11: Removal of formwork and reinforcement.

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