Prefabricated lightweight composite insulation board and mounting process thereof

Abstract

The application provides a prefabricated assembly type light composite thermal insulation board and a mounting process thereof, and belongs to the technical field of light composite thermal insulation boards. The prefabricated assembly type light composite thermal insulation board comprises a composite board body and a connecting frame. Interlaced connecting grooves are formed on the left and right sides of the connecting frame. A plurality of L-shaped clamping blocks are fixed in the connecting grooves on one side of the connecting frame. A plurality of clamping grooves are formed in the connecting grooves on the other side of the connecting frame. Limiting grooves are formed in the top of the clamping grooves for inserting the end portions of the clamping blocks. A fixing mechanism is arranged in the connecting frame for fixing a row of clamping blocks inserted into the limiting grooves. A plug-in plate is arranged at the bottom of the connecting frame, and a plug-in groove is formed in the top of the connecting frame for inserting the plug-in plate. After the plug-in plate is inserted into the plug-in groove, the end portions of the clamping blocks are inserted into the limiting grooves, and the fixing mechanism fixes the row of clamping blocks. The application realizes the overall fixing of the adjacent thermal insulation boards in the up-down and left-right directions, and improves the connecting strength between the adjacent thermal insulation boards.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of light composite thermal insulation boards, and more particularly relates to a prefabricated light composite thermal insulation board and an installation process thereof. BACKGROUND

[0002] Light composite thermal insulation boards are energy-saving materials widely used in the field of construction, combining lightness, thermal insulation, fire resistance and other properties, and suitable for heat insulation of walls, roofs and other parts. They achieve a balance between structural strength, thermal insulation and construction convenience through the combination of multiple layers of materials.

[0003] Currently, existing light composite thermal insulation boards are generally constructed by pasting method during wall construction. The wall surface needs to be cleaned to remove dust and oil stains, and cracks need to be repaired. An interface agent is then applied to increase adhesion, and an adhesive is applied to the back of the board. Full adhesion or point adhesion can be used. After the board is pasted to the wall, the excess mortar is pressed out, temporary support is provided until the adhesive dries.

[0004] After the thermal insulation boards are installed in the above manner, the connection between adjacent thermal insulation boards is poor, and subsequent single boards may fall off due to their own factors or external forces. SUMMARY

[0005] The present application aims to provide a prefabricated light composite thermal insulation board and an installation process thereof to solve the technical problem of poor connection between adjacent thermal insulation boards in the prior art, which may lead to the falling off of single boards due to their own factors or external forces.

[0006] To achieve the above-mentioned purpose, in a first aspect, the present application employs the technical solution of providing a prefabricated light composite thermal insulation board, comprising a composite board body and a connecting frame fixed around the four sides of the composite board body. The connecting frame has interlaced connecting grooves on both sides, and adjacent connecting frames are inserted into each other through the connecting grooves. A plurality of L-shaped clamping blocks are fixed in the connecting groove on one side of the connecting frame, and a plurality of clamping grooves are provided in the connecting groove on the other side of the connecting frame. The clamping grooves are for inserting the clamping blocks on the adjacent connecting frame, and the top of the clamping groove is provided with a limiting groove for inserting the end of the clamping block. A fixing mechanism is provided in the connecting frame for fixing a row of clamping blocks inserted into the limiting groove. The bottom of the connecting frame is provided with an insertion plate, and the top of the connecting frame is provided with an insertion groove for inserting the insertion plate. After the insertion plate is inserted into the insertion groove, the end of the clamping block is inserted into the limiting groove, and the fixing mechanism fixes a row of clamping blocks.

[0007] With reference to the first aspect, in a possible implementation manner, the fixing mechanism comprises a moving plate, a fixing spring and a filling block, a moving groove is arranged in the connecting frame and communicates with the side of the row of clamping slots, and the moving plate is slidingly arranged in the moving groove; a containing groove is arranged on the side of the moving plate facing the clamping slots, the fixing spring is arranged in the containing groove, the filling block is slidingly arranged at the opening of the containing groove and connected with the fixing spring, and the fixing spring is always in a compressed state; the plug-in plate is provided with a linkage mechanism, and the linkage mechanism is used for driving the moving plate downward when the plug-in plate is inserted into the plug-in slot, until the filling block is inserted into the clamping slot below the clamping block.

[0008] With reference to the first aspect, in a possible implementation manner, the filling block is located in the containing groove and the limiting groove at the same time when the filling block is in an initial state, and the bottom surface of the filling block located in the limiting groove is arranged in an inclined manner.

[0009] With reference to the first aspect, in a possible implementation manner, the linkage mechanism comprises a rotating shaft, a gear, a rack and a self-driving assembly; the rotating shaft is arranged in the plug-in plate in a vertical rotating manner, the gear is coaxially fixed with the rotating shaft and located in the plug-in plate, the rack is slidingly arranged in the plug-in plate in a horizontal manner and always engaged with the gear, the moving groove is provided with an extrusion groove for the rack to be inserted, the end surface of the rack facing the moving plate is arranged in an inclined manner and used for extruding the moving plate downward, and the self-driving assembly is used for driving the rotating shaft to rotate when the plug-in plate is inserted into the plug-in slot, so that the rack extrudes the moving plate downward.

[0010] With reference to the first aspect, in a possible implementation manner, the top of the moving plate is arranged in an inclined manner on the side facing the plug-in slot, and the inclined surface of the moving plate is matched with the inclined surface of the rack.

[0011] With reference to the first aspect, in a possible implementation manner, the plug-in plate comprises a fixed shell and a sliding plate, the top of the fixed shell is fixed with the bottom of the connecting frame, the sliding plate is slidingly arranged at the bottom of the fixed shell, the rotating shaft is rotationally connected with the fixed shell and penetrates through the sliding plate, and the gear is located in the fixed shell; the rack is slidingly connected in the fixed shell and the sliding plate at the same time, the bottom of the connecting frame is provided with a gap groove for the rack to be inserted, the side of the fixed shell is provided with a gap opening for accommodating the rack, and the self-driving assembly drives the rotating shaft to rotate when the sliding plate slides towards the inside of the fixed shell.

[0012] With reference to the first aspect, in a possible implementation manner, the self-driving assembly comprises a screw rod and a screw pipe, the screw rod is coaxially fixed at the bottom of the rotating shaft and integrally formed with the rotating shaft, the screw rod is fixedly embedded in the bottom wall of the plug-in slot and used for the screw pipe to be screwed into, and the bottom of the screw rod in an initial state does not protrude from the bottom surface of the sliding plate.

[0013] With reference to the first aspect, in a possible implementation manner, the bottom end of the screw rod is in the shape of an inverted circular truncated cone.

[0014] In a second aspect, the application further provides a mounting process of the prefabricated lightweight composite insulation board, which adopts the prefabricated lightweight composite insulation board described above and comprises the following steps:

[0015] S1, first clean the wall surface and apply an interface agent, and apply an adhesive on the back of the board;

[0016] S2, install each row of insulation boards from bottom to top, fasten the insulation boards on the wall surface, preliminarily insert the connecting slots between the adjacent connecting frames, at this time, the clamping blocks are inserted into the corresponding clamping slots, then slide the insulation boards downward, so that the end of the clamping block is inserted into the limiting slot, and the insertion plate is inserted into the insertion slot of the lower connecting frame, and the fixing mechanism fixes the clamping blocks in the row, and the above steps are repeated to install the subsequent insulation boards.

[0017] With reference to the second aspect, in a possible implementation manner, before the installation of the insulation boards, a bottom plate is installed at the bottom of the wall, and an insertion slot for the insertion plate is formed in advance on the bottom plate; the insulation boards located at both ends of the wall are cut without one side connecting slot during factory prefabrication.

[0018] The prefabricated lightweight composite insulation board provided by the application has the following beneficial effects: compared with the prior art, the clamping blocks and the clamping slots are inserted and matched through the mutual insertion between the adjacent connecting frames, and then the connecting frames are slid downward to insert the clamping blocks into the limiting slots and the insertion plate into the insertion slot, which not only realizes the connection and limiting of the left and right two insulation boards in the horizontal direction, but also realizes the connection and limiting of the upper and lower two insulation boards in the horizontal direction, and then the position of the clamping blocks is fixed by the fixing mechanism, so that the overall fixation of the adjacent insulation boards in all directions is realized, and the connection strength between the adjacent insulation boards is improved.

[0019] The mounting process of the prefabricated lightweight composite insulation board provided by the application has the following beneficial effects: compared with the prior art, the installation of the insulation boards in the application is in the form of row-by-row installation from bottom to top, which improves the safety and stability of the entire installation process, and the installation operation of the insulation boards is convenient, which helps to improve the overall installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 A structure diagram of a prefabricated assembly type light composite insulation board provided for an embodiment of the present application Figure 1 ;

[0022] Figure 2 A structure diagram of a prefabricated assembly type light composite insulation board provided for an embodiment of the present application Figure 2 ;

[0023] Figure 3 A structure diagram of a card block shape provided for an embodiment of the present application

[0024] Figure 4 A partial sectional view of a filling block located in a limiting groove provided for an embodiment of the present application

[0025] Figure 5 A partial sectional view of a filling block located in a limiting groove provided for an embodiment of the present application

[0026] Figure 6 A partial sectional view of a linkage mechanism provided for an embodiment of the present application Figure 1 ;

[0027] Figure 7 A partial sectional view of a linkage mechanism provided for an embodiment of the present application Figure 2 ;

[0028] Figure 8 A structure diagram of a rack inclined surface and a let-out opening provided for an embodiment of the present application

[0029] Figure 9 A structure diagram of a rack shape provided for an embodiment of the present application

[0030] In the drawings, various reference signs are as follows:

[0031] 1, composite board body

[0032] 2, connecting frame; 21, connecting groove; 22, card block; 23, card slot; 24, limiting groove; 25, moving groove; 26, extrusion groove; 27, let-out groove

[0033] 3, plug-in plate; 31, fixed shell; 311, let-out opening; 32, sliding plate

[0034] 4, plug-in groove

[0035] 5, fixing mechanism; 51, moving plate; 511, containing groove; 52, fixed spring; 53, filling block

[0036] 6, linkage mechanism; 61, rotating shaft; 62, gear; 63, rack; 64, self-driving assembly; 641, screw rod; 642, screw pipe DETAILED DESCRIPTION

[0037] In order to make the technical problems to be solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The specific embodiments described herein are only used to explain the present application, and are not used to limit the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0038] It should be further explained that the drawings and embodiments of the present application mainly describe the concept of the present application. On the basis of the concept, some specific forms and settings of connection relationship, position relationship, power mechanism, power supply system, hydraulic system and control system, etc. may not be completely described, but those skilled in the art can realize the above-mentioned specific forms and settings by using well-known methods on the premise of understanding the concept of the present application.

[0039] When an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0040] The orientation words "inner, outer" refer to the inner and outer relative to the contour of each component itself. The orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or position relationship shown in the drawings. They are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0041] For purposes of the description hereinafter, spatial relations terms are used, such as "above", "below", "upper", "lower", and the like, to describe the relative position of one device or feature to another as illustrated in the figures. These spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device is inverted consistent with its use or operation, then a spatial term used to describe a position in the inverted device would be opposite of the effect of the spatial term used to describe the same feature in the un-inverted device. The same applies to other modifications and permutations of orientation of the device or features in its use or operation. Accordingly, an illustrative term "above" can encompass both a position above and a position below.

[0042] The present application provides a prefabricated assembly type light composite insulation board and its installation process.

[0043] As shown in Figure 1 and Figure 2 , the present application provides a prefabricated assembly type light composite insulation board, which comprises a composite board body 1 and a connecting frame 2 fixed around the four sides of the composite board body 1; the connecting frame 2 is provided with interlaced connecting grooves 21 on the left and right sides, and the adjacent connecting frames 2 are inserted into each other through the connecting grooves 21.

[0044] As shown in Figure 3 and Figure 4 , a plurality of L-shaped clamping blocks 22 are fixed in the connecting grooves 21 on one side of the connecting frame 2, and a plurality of clamping grooves 23 are provided in the connecting grooves 21 on the other side of the connecting frame 2, the clamping grooves 23 are used for inserting the clamping blocks 22 on the adjacent connecting frame 2, and the top of the clamping groove 23 is provided with a limiting groove 24 for inserting the end of the clamping block 22; the connecting frame 2 is provided with a fixing mechanism 5 for fixing the row of clamping blocks 22 inserted into the limiting groove 24; the connecting frame 2 is provided with an insertion plate 3 at the bottom, and the top of the connecting frame 2 is provided with an insertion groove 4 for inserting the insertion plate 3 above; after the insertion plate 3 is inserted into the insertion groove 4, the end of the clamping block 22 is inserted into the limiting groove 24, and the fixing mechanism 5 fixes the row of clamping blocks 22.

[0045] Compared with the prior art, the prefabricated assembly type light composite insulation board provided by the embodiment realizes the plug-in fit of the clamping block 22 and the clamping groove 23 through the mutual plug-in of the adjacent connecting frames 2, the clamping block 22 is inserted into the limiting groove 24 by sliding the connecting frame 2 downward, the insertion plate 3 is inserted into the insertion groove 4, the connection and limiting of the left and right two insulation boards in the horizontal direction are realized, the connection and limiting of the upper and lower two insulation boards in the horizontal direction are realized, the position of the clamping block 22 is fixed through the fixing mechanism 5, the overall fixing of the adjacent insulation boards in each direction is realized, and the connection strength between the adjacent insulation boards is improved.

[0046] As shown in Figure 4 and Figure 5 The specific implementation provided by the application on the basis of the first embodiment is as follows:

[0047] The fixing mechanism 5 comprises a moving plate 51, a fixed spring 52 and a filling block 53, the connecting frame 2 is provided with a moving groove 25 communicated with the side of one row of clamping grooves 23, and the moving plate 51 is slidingly arranged in the moving groove 25; the side of the moving plate 51 facing the clamping groove 23 is provided with a containing groove 511, the fixed spring 52 is arranged in the containing groove 511, the filling block 53 is slidingly arranged at the opening of the containing groove 511 and connected with the fixed spring 52, and the fixed spring 52 is always in a compressed state; the insertion plate 3 is provided with a linkage mechanism 6, and the linkage mechanism 6 is used to drive the moving plate 51 downward when the insertion plate 3 is inserted into the insertion groove 4, until the filling block 53 is inserted into the clamping groove 23 below the clamping block 22, at this time, the top surface of the filling block 53 is attached to the bottom surface of the clamping block 22, and the bottom end of the moving plate 51 is attached to the bottom wall of the moving groove 25.

[0048] After the connecting frames 2 on the left and right sides are plugged in each other, the connecting frames 2 are slid downward to insert the insertion plate 3 into the insertion groove 4, at this time, the clamping block 22 is inserted into the limiting groove 24, and the linkage mechanism 6 drives the moving plate 51 to slide downward, so that the filling block 53 is moved to be inserted into the clamping groove 23 below the clamping block 22, the position between the clamping block 22 and the clamping groove 23 is fixed, and the fixing between the connecting frames 2 adjacent to the left and right is realized.

[0049] As shown in Figure 4 and Figure 5 The specific implementation provided by the application on the basis of the first embodiment is as follows:

[0050] The filling block 53 is located in the containing groove 511 and the limiting groove 24 at the same time in the initial state, and the bottom surface of the filling block 53 located in the limiting groove 24 is inclinedly arranged.

[0051] Since the fixing spring 52 is always in a compressed state, when the installation of the heat preservation plate is not carried out, the filling block 53 is located in the containing groove 511 and the limiting groove 24 at the same time, which can reduce the compression degree of the fixing spring 52, so that the fixing spring 52 is more stable when being stretched and contracted subsequently; and when the clamping block 22 moves in the clamping groove 23 and is towards the limiting groove 24, the inclined surface of the filling block 53 can be extruded, so that the filling block 53 is completely in the containing groove 511, and the clamping block 22 is not affected to be inserted into the limiting groove 24, thereby ensuring the convenience of the installation operation.

[0052] As shown in Figure 6 and Figure 7 , a specific embodiment provided by the present application on the basis of the first embodiment is as follows:

[0053] The linkage mechanism 6 comprises a rotating shaft 61, a gear 62, a rack 63 and a self-driving assembly 64; the rotating shaft 61 is vertically arranged at the bottom of the plugboard 3, the gear 62 is coaxially fixed inside the plugboard 3 and with the rotating shaft 61, and the rack 63 is horizontally arranged inside the plugboard 3 and always meshes with the gear 62; the extrusion groove 26 for the rack 63 to be inserted is arranged at the top of the moving groove 25, and the end surface of the rack 63 is inclined towards the moving plate 51 and used for extruding the moving plate 51 downwards; the self-driving assembly 64 is used for driving the rotating shaft 61 to rotate when the plugboard 3 is inserted into the plug slot 4, so that the rack 63 extrudes the moving plate 51 downwards.

[0054] When the connecting frame 2 is pushed downwards to make the plugboard 3 inserted into the plug slot 4, the self-driving assembly 64 drives the rotating shaft 61 to rotate, the rotating shaft 61 drives the gear 62 to rotate, the gear 62 drives the rack 63 to move towards the extrusion groove 26, and the inclined surface at the end of the gear 62 extrudes the top of the moving plate 51 to make it slide downwards until the filling block 53 moves to the lower side of the clamping block 22, thereby improving the operation convenience and installation efficiency.

[0055] As shown in Figure 8 , a specific embodiment provided by the present application on the basis of the first embodiment is as follows:

[0056] The side of the top of the moving plate 51 towards the plug slot 4 is inclined, and the inclined surface of the moving plate 51 is matched with the inclined surface of the rack 63.

[0057] The inclined surface of the top of the moving plate 51 can be matched with the inclined surface of the rack 63, so that the rack 63 can more easily extrude the moving plate 51 downwards, thereby reducing the working burden of the self-driving assembly 64.

[0058] As shown in Figures 7 to 9 , a specific embodiment provided by the present application on the basis of the first embodiment is as follows:

[0059] The insert plate 3 includes a fixed shell 31 and a sliding plate 32. The top of the fixed shell 31 is fixed to the bottom of the connecting frame 2. The sliding plate 32 is slidably disposed at the bottom of the fixed shell 31. The rotating shaft 61 is rotatably connected to the fixed shell 31 and passes through the sliding plate 32. The gear 62 is located inside the fixed shell 31. The rack 63 is slidably connected to both the fixed shell 31 and the sliding plate 32. The top of the extrusion groove 26 is closed. The bottom of the connecting frame 2 is provided with a clearance groove 27 for the rack 63 to be inserted. The side of the fixed shell 31 is provided with a clearance opening 311 for accommodating the rack 63. When the sliding plate 32 slides toward the inside of the fixed shell 31, the self-driving component 64 drives the rotating shaft 61 to rotate.

[0060] When the connecting frame 2 is pushed downwards to insert the insert plate 3 into the slot 4, the bottom end of the sliding plate 32 first fits against the bottom wall of the slot 4. At this time, the height of the rack 63 no longer changes. The connecting frame 2 continues to slide downwards to insert the fixing shell 31 into the slot 4. The sliding plate 32 is then inserted into the interior of the fixing shell 31. The self-driving assembly 64 drives the rotating shaft 61 to rotate, causing the rack 63 to move towards the pressing groove 26. The movement trajectory of the rack 63 is linear, improving its accuracy and sliding stability when inserted into the pressing groove 26, and ensuring ease of installation. Furthermore, the top of the pressing groove 26 is closed, meaning that the rack 63 is simultaneously located within both the sliding plate 32 and the pressing groove 26, further strengthening the limiting effect between adjacent connecting frames 2.

[0061] like Figure 6 As shown, based on the first embodiment, the present invention provides another specific embodiment as follows:

[0062] The self-driving assembly 64 includes a screw 641 and a screw tube 642. The screw 641 is coaxially fixed to the bottom of the rotating shaft 61 and integrally formed therewith. The screw 641 is fixedly embedded in the bottom wall of the slot 4 and is screwed into the screw tube 642. When the screw 641 is in the initial state, the bottom does not protrude from the bottom surface of the sliding plate 32.

[0063] After the sliding plate 32 is inserted into the slot 4 and fits against its bottom wall, the screw 641 has not yet engaged with the threaded tube 642, ensuring the linear accuracy of the rack 63 during movement. When the connecting frame 2 continues to drive the fixed shell 31 into the slot 4, the fixed shell 31 drives the screw 641 to be inserted into the threaded tube 642 through the rotating shaft 61, so as to realize the automatic rotation of the screw 641 and the rotating shaft 61, thereby improving the ease of operation during installation.

[0064] like Figure 1 As shown, based on the same inventive concept, the second embodiment of the present invention provides an installation process for a prefabricated lightweight composite insulation board, using the prefabricated lightweight composite insulation board of the first embodiment, including the following steps:

[0065] S1, clean the wall surface first and apply interface agent, and apply adhesive on the back of the plate body;

[0066] S2, install each row of insulation boards from bottom to top, connect the insulation boards on the wall surface, make the adjacent connecting frames 2 preliminarily inserted through the connecting grooves 21, at this time, the clamping blocks 22 are inserted into the corresponding clamping grooves 23, then the insulation boards are slid downward, so that the end of the clamping block 22 is inserted into the limiting groove 24, the insertion plate 3 is inserted into the insertion groove 4 of the lower connecting frame 2, and the fixing mechanism 5 fixes the clamping blocks 22 in the row, and the above steps are repeated to install the subsequent insulation boards.

[0067] Compared with the prior art, the installation of the insulation boards is a row-by-row installation from bottom to top, the safety and stability of the whole installation process are improved, and the installation operation of the insulation boards is convenient, which helps to improve the overall installation efficiency.

[0068] A specific embodiment provided on the basis of the second embodiment is as follows:

[0069] Before the installation of the insulation boards, the bottom plate is installed at the bottom of the wall body, and the insertion groove 4 for inserting the insertion plate 3 is formed in the bottom plate in advance; the insulation boards located at both ends of the wall body are cut off one side connecting groove 21 when being prefabricated in the factory.

[0070] The structure and installation process of the connecting frame 2 located at the end of the wall body are optimized, so that the installation of the insulation boards is more convenient and efficient, and the quality and stability of the installation are ensured.

[0071] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0072] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a presence of a feature, step, operation, device, component and / or combination thereof.

[0073] The foregoing is a summary and thus contains only the most basic embodiment. The application can be practiced with the specific embodiments and options described herein, and it can also be practiced without such specific embodiments and options. Furthermore, the above summary of the application is not intended to be limiting, for the application can be practiced in other embodiments that are inherent to those skilled in the art. The scope of the application is defined by the metes and bounds of the claims accordingly.

Claims

1. A prefabricated assembly type light composite thermal insulation board, comprising a composite board body (1) and a connecting frame (2) fixed around the four sides of the composite board body (1); characterized in that, The connecting frame (2) is provided with interlaced connecting grooves (21) on both sides, and adjacent connecting frames (2) are inserted into each other through the connecting grooves (21); a plurality of L-shaped clamping blocks (22) are fixed in the connecting grooves (21) on one side of the connecting frame (2), and a plurality of clamping grooves (23) are formed in the connecting grooves (21) on the other side of the connecting frame (2), the clamping grooves (23) are used for inserting the clamping blocks (22) on the adjacent connecting frame (2), and a limiting groove (24) is formed in the top of the clamping groove (23) and used for inserting the end of the clamping block (22); a fixing mechanism (5) is arranged in the connecting frame (2) and used for fixing a row of clamping blocks (22) inserted into the limiting groove (24); a plug-in plate (3) is arranged at the bottom of the connecting frame (2), and an insertion groove (4) is formed in the top of the connecting frame (2) and used for inserting the plug-in plate (3) above; after the plug-in plate (3) is inserted into the insertion groove (4), the end of the clamping block (22) is inserted into the limiting groove (24), and the fixing mechanism (5) fixes the row of clamping blocks (22). The fixing mechanism (5) comprises a moving plate (51), a fixing spring (52) and a filling block (53), the connecting frame (2) is provided with a moving groove (25) connected to the side of a row of clamping grooves (23), and the moving plate (51) is slidingly arranged in the moving groove (25); a containing groove (511) is formed in the side of the moving plate (51) facing the clamping groove (23), the fixing spring (52) is arranged in the containing groove (511), the filling block (53) is slidingly arranged at the opening of the containing groove (511) and connected with the fixing spring (52), and the fixing spring (52) is always in a compressed state; the plug-in plate (3) is provided with a linkage mechanism (6), and the linkage mechanism (6) is used for driving the moving plate (51) downward when the plug-in plate (3) is inserted into the insertion groove (4), until the filling block (53) is inserted into the clamping groove (23) below the clamping block (22). The linkage mechanism (6) comprises a rotating shaft (61), a gear (62), a rack (63) and a self-driving assembly (64); the rotating shaft (61) is vertically rotatably arranged at the bottom of the plug-in plate (3), the gear (62) is coaxially fixed with the rotating shaft (61) and located in the plug-in plate (3), and the rack (63) is slidingly arranged in the plug-in plate (3) and always meshes with the gear (62); a pressing groove (26) is formed in the top of the moving groove (25) and used for inserting the rack (63), and the end face of the rack (63) facing the moving plate (51) is inclinedly arranged and used for pressing the moving plate (51) downward; the self-driving assembly (64) is used for driving the rotating shaft (61) to rotate when the plug-in plate (3) is inserted into the insertion groove (4), so that the rack (63) presses the moving plate (51) downward.

2. The prefabricated assembly type light composite thermal insulation board according to claim 1, characterized in that, The filling block (53) is located in the containing groove (511) and the limiting groove (24) at the same time in the initial state, and the bottom surface of the filling block (53) located in the limiting groove (24) is inclinedly arranged.

3. The prefabricated assembly type light composite thermal insulation board according to claim 1, characterized in that, The moving plate (51) is obliquely arranged on the side of the top towards the slot (4), and the inclined surface of the moving plate (51) is matched with the inclined surface of the rack (63).

4. The prefabricated assembly type light composite thermal insulation board according to claim 1, characterized in that, The plug-in plate (3) comprises a fixed shell (31) and a sliding plate (32), the top end of the fixed shell (31) is fixed with the bottom of the connecting frame (2), the sliding plate (32) is slidingly arranged at the bottom of the fixed shell (31), the rotating shaft (61) is rotatably connected with the fixed shell (31) and penetrates through the sliding plate (32), and the gear (62) is located in the fixed shell (31); the rack (63) is slidingly connected in the fixed shell (31) and the sliding plate (32), the bottom of the connecting frame (2) is provided with a gap slot (27) for inserting the rack (63); the fixed shell (31) is provided with a gap opening (311) for accommodating the rack (63) on the side; when the sliding plate (32) slides towards the inside of the fixed shell (31), the self-driving assembly (64) drives the rotating shaft (61) to rotate.

5. The prefabricated assembly type light composite thermal insulation board according to claim 4, characterized in that, The self-driving assembly (64) comprises a screw rod (641) and a screw pipe (642), the screw rod (641) is coaxially fixed at the bottom of the rotating shaft (61) and is integrally formed with the rotating shaft (61), the screw rod (641) is fixedly embedded in the inner bottom wall of the slot (4) and is screwed into the screw pipe (642); the bottom of the screw rod (641) does not protrude from the bottom surface of the sliding plate (32) when the screw rod (641) is in the initial state.

6. The prefabricated assembly type light composite thermal insulation board according to claim 5, characterized in that, The bottom end of the screw rod (641) is in the shape of an inverted circular table.

7. A mounting process of prefabricated lightweight composite insulation board, characterized in that, The prefabricated assembly type light composite insulation board comprises the following steps: S1, first clean the wall surface and brush interface agent, and apply adhesive on the back of the board; S2, install each row of insulation boards from bottom to top, and buckle the insulation boards on the wall surface, so that the adjacent connecting frames (2) are initially inserted through the connecting grooves (21), at this time, the clamping blocks (22) are inserted into the corresponding clamping grooves (23), then the insulation boards are slid downward, so that the end of the clamping block (22) is inserted into the limiting groove (24), and the plug-in plate (3) is inserted into the slot (4) of the lower connecting frame (2), the fixing mechanism (5) fixes the clamping blocks (22) in the row, and the above steps are repeated to install the subsequent insulation boards.

8. The mounting process of the prefabricated assembly type light composite thermal insulation board according to claim 7, characterized in that, Before installing the insulation boards, a bottom plate is installed at the bottom of the wall, and a slot (4) for inserting the plug-in plate (3) is formed in advance on the bottom plate; the insulation boards located at both ends of the wall are cut off one side connecting groove (21) during factory prefabrication. Before installing the insulation boards, a bottom plate is installed at the bottom of the wall, and a slot (4) for inserting the plug-in plate (3) is formed in advance on the bottom plate; the insulation boards located at both ends of the wall are cut off one side connecting groove (21) during factory prefabrication.

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