GRPS composite outer template

Abstract

The utility model relates to a GRPS composite outer formwork, and belongs to the technical field of outer formwork production. Comprising formwork bodies, when every two adjacent sets of formwork bodies are spliced, splicing seams of Z-shaped groove structures are formed between lap joint protruding heads A and lap joint protruding heads B on different formwork bodies, each formwork body is of a multi-layer structure and comprises a heat preservation layer and a heat preservation transition layer, and an outer side bonding layer is arranged between each heat preservation layer and the corresponding heat preservation transition layer. An inner side bonding reinforcing layer is arranged on the inner side face of the heat preservation layer, an outer side reinforcing protective layer is arranged on the outer side face of the heat preservation transition layer, and the heat preservation layer is a GRPS heat preservation plate. The GRPS composite outer formwork has the advantages that the GRPS composite outer formwork is made of the GRPS heat preservation plate, due to the fact that the GRPS heat preservation plate is of a micro closed-cell structure and is combined with the pressing extrusion technology, the GRPS composite outer formwork has excellent weather resistance, durability and dimensional stability, is suitable for severe environments, retains the characteristics of light weight and easy construction of polystyrene and is suitable for ultra-low energy consumption buildings.

Description

TECHNICAL FIELD

[0001] The utility model relates to a GRPS composite outer shuttering belongs to the production technical field of outer shuttering. BACKGROUND

[0002] Composite outer shuttering: prefabricated by factory, by thermal insulation layer, bonding layer, reinforcing rib, transition layer, inner and outer side protective layer, composite thermal insulation board plays the role of free disassembly outer shuttering and thermal insulation in cast-in-situ concrete engineering construction.

[0003] GRPS thermal insulation board takes polystyrene resin and its copolymer as main component, mixes a certain amount of graphite and nano additive, injects into fluid foaming agent after high temperature and high pressure mixing, and is formed by pressing and extrusion to be a hard foam plastic plate material with micro closed cell structure and higher performance, and is simply called GRPS thermal insulation board.

[0004] Traditional composite outer shuttering mostly uses single thermal insulation material (such as EPS, XPS or rock wool) as core material, although basic thermal insulation demand can be met, but has the following disadvantages: outstanding weather resistance, durability and dimensional stability are not possessed, polystyrene light weight and easy construction characteristics are not possessed, and the performance directly influences the thermal insulation effect, fire safety and construction efficiency of building.

[0005] In order to solve one of the above problems, a GRPS composite outer shuttering is urgently needed. INVENTION CONTENTS

[0006] According to the above deficiencies in prior art, the technical problem to be solved by the utility model is: how to realize outstanding weather resistance, durability and dimensional stability, and retain polystyrene light weight and easy construction characteristics, and be suitable for super low energy consumption building, and therefore a GRPS composite outer shuttering is provided.

[0007] The utility model discloses a GRPS composite outer shuttering, including shuttering main part, its characterized in that: the both ends of shuttering main part are provided with lap joint convex head A, lap joint convex head B, when the adjacent two groups shuttering main part splicing, the lap joint convex head A, lap joint convex head B on different shuttering main body form the splicing joint of Z type groove structure, the shuttering main part sets up multilayer structure, including thermal insulation layer and thermal insulation transition layer, be provided with outside bonding layer between thermal insulation layer and thermal insulation transition layer, be provided with inside bonding reinforcing layer on the inside surface of thermal insulation layer, be provided with outside reinforcing protective layer on the outside surface of thermal insulation transition layer, the thermal insulation layer is GRPS thermal insulation board.

[0008] The GRPS composite outer shuttering made of GRPS thermal insulation board has outstanding weather resistance, durability and dimensional stability due to the micro closed cell structure and pressing and extrusion process of the GRPS thermal insulation board, is suitable for harsh environment, and retains polystyrene light weight and easy construction characteristics, and is suitable for super low energy consumption building.

[0009] Preferably, the insulation layer includes staggered plates A and B, both of which are rectangular block structures. Multiple sets of insertion holes A are spaced apart along the length of plate A, with the insertion holes A aligned with the width of plate A. Similarly, multiple sets of insertion holes B are spaced apart along the length of plate B, with the insertion holes B aligned with the width of plate B. The insulation layer also includes 2-3 insertion posts, with their upper and lower ends inserted into corresponding insertion holes A and insertion posts, respectively. Plates A and B are separate structures, then assembled using the insertion posts. The assembled insulation layer forms overlapping protrusions A and B, reducing on-site cutting losses and minimizing waste through standardized production.

[0010] Preferably, a connecting reinforcement is provided at the joint between plate A and plate B.

[0011] Preferably, the connecting reinforcement is a corrugated insert, with its two ends inserted into plate A and plate B respectively. This enhances the reliability of the reinforcement connection.

[0012] Preferably, the insulation layer has grooves A and B on its two side surfaces, respectively. The inner bonding reinforcement layer has a protruding ridge A that mates with groove A, and the outer bonding layer has a protruding ridge B that mates with groove B. The outer bonding layer is a structural layer that uses polymer cement mortar as the main binding material to bond the insulation layer and the insulation transition layer together.

[0013] Preferably, the thermal insulation transition layer is integrally formed, and its shape is consistent with that of the thermal insulation layer.

[0014] Preferably, the thickness of the thermal insulation transition layer is set to 15mm, 30mm, or 40mm.

[0015] Preferably, the thermal insulation transition layer is an inorganic composite polystyrene board or thermal insulation mortar. Using thermal insulation mortar or inorganic composite polystyrene board with thermal insulation function as the main material, it serves as a structural layer to alleviate strain caused by environmental changes in the GRPS composite outer formwork, reduce internal and external temperature difference stress, and prevent interlayer cracking in the thermal insulation system.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The GRPS composite external formwork described in this utility model is made of GRPS insulation board. Because the GRPS insulation board adopts a micro closed-cell structure combined with a compression extrusion process, it has excellent weather resistance, durability and dimensional stability, making it suitable for harsh environments. At the same time, it retains the lightweight and easy-to-construct characteristics of polystyrene, making it suitable for ultra-low energy consumption buildings.

[0018] The GRPS composite outer template of this utility model has a split structure for plate A and plate B, which are then assembled and connected using plug-in columns. The assembled insulation layer forms overlapping protrusions A and B, reducing on-site cutting losses, and standardized production reduces waste of scrap materials. Moreover, the Z-shaped groove overlap of the insulation board provides strong sealing and good insulation effect.

[0019] The GRPS composite external formwork of this utility model has an insulation transition layer made of insulation slurry or inorganic composite polystyrene board with insulation function as the main material. It is used to alleviate the strain of the GRPS composite external formwork caused by environmental changes, reduce internal and external temperature difference stress, and prevent interlayer cracking of the insulation system. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 for Figure 1 AA section diagram;

[0023] Figure 3 This is an external view of the insulation layer;

[0024] Figure 4 This is a schematic diagram of the internal structure of the insulation layer;

[0025] Figure 5 This is a structural diagram of the wavy insert;

[0026] Figure 6 This is an assembly diagram of the GRPS composite outer template.

[0027] In the diagram: 1. Inner bonding reinforcement layer; 2. Insulation layer; 2.1. Panel A; 2.2. Panel B; 2.3. Insertion hole A; 2.4. Insertion hole B; 2.5. Insertion post; 2.6. Corrugated insert; 3. Outer bonding layer; 4. Insulation transition layer; 5. Outer reinforcing protective layer; 6. Overlapping protrusion A; 7. Overlapping protrusion B; 8. Groove A; 9. Groove B; 10. Raised ridge A; 11. Raised ridge B. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings: The present invention will be further described below through specific embodiments, but it is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0029] Example 1, as Figures 1-2 As shown, the GRPS composite outer template has overlapping protrusions A6 and B7 at both ends of the template body. When two adjacent template bodies are spliced, a Z-shaped groove structure splicing seam is formed between the overlapping protrusions A6 and B7 on different template bodies. The template body is configured as a multi-layer structure, including an insulation layer 2 and an insulation transition layer 4. An outer adhesive layer 3 is provided between the insulation layer 2 and the insulation transition layer 4. An inner adhesive reinforcement layer 1 is provided on the inner side of the insulation layer 2, and an outer reinforcing protective layer 5 is provided on the outer side of the insulation transition layer 4. The insulation layer 2 is a GRPS insulation board.

[0030] GRPS insulation board is a rigid foam plastic board with micro-closed-cell structure and high performance, made by mixing polystyrene resin and its copolymers as the main components, mixing a certain amount of graphite and nano-additives, mixing under high temperature and high pressure, injecting fluid foaming agent, and pressing and extruding.

[0031] Composite external formwork made of GRPS insulation board has excellent weather resistance, durability and dimensional stability due to the micro closed-cell structure of GRPS insulation board combined with compression extrusion process. It is suitable for harsh environments and retains the lightweight and easy construction characteristics of polystyrene, making it suitable for ultra-low energy consumption buildings.

[0032] Example 2, as Figures 1-4 As shown, the GRPS composite outer template has overlapping protrusions A6 and B7 at both ends of the template body. When two adjacent template bodies are spliced, a Z-shaped groove structure splicing seam is formed between the overlapping protrusions A6 and B7 on different template bodies. The template body is configured as a multi-layer structure, including an insulation layer 2 and an insulation transition layer 4. An outer adhesive layer 3 is provided between the insulation layer 2 and the insulation transition layer 4. An inner adhesive reinforcement layer 1 is provided on the inner side of the insulation layer 2, and an outer reinforcing protective layer 5 is provided on the outer side of the insulation transition layer 4. The insulation layer 2 is a GRPS insulation board.

[0033] Furthermore, the insulation layer 2 includes staggered plates A2.1 and B2.2, both of which are rectangular block structures. Multiple sets of insertion holes A2.3 are spaced apart along the length of plate A2.1, and the insertion holes A2.3 are aligned with the width of plate A2.1. Multiple sets of insertion holes B2.4 are spaced apart along the length of plate B2.2, and the insertion holes B2.4 are aligned with the width of plate B2.2. The insulation layer also includes 2-3 insertion posts 2.5, with the upper and lower ends of each insertion post 2.5 inserted into the corresponding insertion holes A2.3 and insertion posts 2.5, respectively.

[0034] Furthermore, the plate A2.1 and plate B2.2 are separate structures, and are then assembled and connected using the plug-in post 2.5. The assembled insulation layer 2 forms overlapping protrusions A6 and B7, reducing on-site cutting losses and reducing waste of scrap materials through standardized production.

[0035] Furthermore, a connecting reinforcement is provided at the joint between the plate A2.1 and the plate B2.2.

[0036] Furthermore, referring to Figure 5 The connecting reinforcement is a corrugated insert 2.6, with both ends of the corrugated insert 2.6 inserted into plate A2.1 and plate B2.2 respectively. This enhances the reliability of the reinforcement connection.

[0037] Furthermore, grooves A8 and B9 are respectively provided on both sides of the insulation layer 2. The inner bonding reinforcement layer 1 has a protruding ridge A10 that mates with the groove A8, and the outer bonding layer 3 has a protruding ridge B11 that mates with the groove B9. The outer bonding layer 3 is a structural layer that uses polymer cement mortar as the main binding material to bond the insulation layer and the insulation transition layer together.

[0038] Furthermore, the thermal insulation transition layer 4 is integrally formed, and its shape is consistent with that of the thermal insulation layer 2.

[0039] Furthermore, the thickness of the thermal insulation transition layer 4 is set to 40mm.

[0040] Furthermore, the thermal insulation transition layer 4 is an inorganic composite polystyrene board. Using thermal insulation mortar or inorganic composite polystyrene board as the main material, it serves as a structural layer to alleviate strain caused by environmental changes in the GRPS composite outer formwork, reduce internal and external temperature stress, and prevent interlayer cracking in the thermal insulation system.

[0041] Reference Figure 6The GRPS composite external formwork described in this utility model is made of GRPS insulation board. Because the GRPS insulation board adopts a micro closed-cell structure combined with a pressing and extrusion process, it has excellent weather resistance, durability and dimensional stability, making it suitable for harsh environments. It also retains the lightweight and easy-to-construct characteristics of polystyrene, making it suitable for ultra-low energy consumption buildings.

[0042] The GRPS composite outer template of this utility model has a split structure for plate A and plate B, which are then assembled and connected using plug-in columns. The assembled insulation layer forms overlapping protrusions A and B, reducing on-site cutting losses and reducing waste of scrap materials through standardized production.

[0043] The GRPS composite external formwork of this utility model has an insulation transition layer made of insulation slurry or inorganic composite polystyrene board with insulation function as the main material. It is used to alleviate the strain of the GRPS composite external formwork caused by environmental changes, reduce internal and external temperature difference stress, and prevent interlayer cracking of the insulation system.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

[0045] Any aspects of this invention not described in detail are well-known to those skilled in the art.

Claims

1. A GRPS composite formwork comprising a formwork body, characterised in that: The template body is provided with a lap convex A and a lap convex B at two ends respectively, when two adjacent groups of template bodies are spliced, the lap convex A and the lap convex B on different template bodies form a Z-shaped groove structure splicing joint, the template body is provided as a multi-layer structure, including a thermal insulation layer and a thermal insulation transition layer, an outer bonding layer is arranged between the thermal insulation layer and the thermal insulation transition layer, an inner bonding reinforcing layer is arranged on the inner side surface of the thermal insulation layer, an outer reinforcing protective layer is arranged on the outer side surface of the thermal insulation transition layer, and the thermal insulation layer is a GRPS thermal insulation board.

2. The GRPS composite formwork according to claim 1, wherein, The thermal insulation layer includes staggered plate bodies A and plate bodies B, the plate bodies A and the plate bodies B are both rectangular block structures, a plurality of groups of insertion holes A are arranged along the length direction of the plate body A at intervals, the insertion holes A are consistent with the width direction of the plate body A, a plurality of groups of insertion holes B are arranged along the length direction of the plate body B at intervals, the insertion holes B are consistent with the width direction of the plate body B, and 2-3 insertion columns are further included, the upper and lower ends of the insertion column are inserted into the corresponding insertion holes A and insertion columns respectively.

3. The GRPS composite outer mold block of claim 1 or 2, wherein, A connecting reinforcing piece is arranged at the splicing position of the plate body A and the plate body B.

4. The GRPS composite outer mold block of claim 3, wherein, The connecting reinforcing piece is a wave-shaped insert piece, and the two ends of the wave-shaped insert piece are inserted into the plate body A and the plate body B respectively.

5. The composite outer form panel of claim 1, wherein, The two side surfaces of the thermal insulation layer are respectively provided with an embedding groove A and an embedding groove B, the inner bonding reinforcing layer has a convex rib A matched with the embedding groove A, and the outer bonding layer has a convex rib B matched with the embedding groove B.

6. The GRPS composite outer mold block of claim 1 or 5, wherein, The thermal insulation transition layer is integrally formed and has the same shape as the thermal insulation layer.

7. The GRPS composite outer mold block of claim 6, wherein, The thickness of the thermal insulation transition layer is 15mm, 30mm or 40mm.

8. The GRPS composite outer mold block of claim 7, wherein, The thermal insulation transition layer is an inorganic composite polystyrene board or a thermal insulation slurry.

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