Mold for historical building component with different internal and external structural materials and manufacturing method

By adopting historical building component molds and 3D printing technology with different internal and external structural materials, grouting is poured layer by layer, solving the problems of complex construction, poor quality and low efficiency in traditional processes, and achieving high-quality and efficient restoration construction of historical building components.

CN119910761AActive Publication Date: 2025-05-02SHANGHAI CONSTRUCTION FOURTH CONSTRUCTION GROUP CO LTD +1
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Patent Information

Application Number
CN202510405439.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2025-05-02
Estimated Expiration
2045-04-02

AI Technical Summary

Technical Problem

When traditional crafts produce historical building components with different internal and external structural materials, the construction process is complex, the restoration quality is poor, the production efficiency is low, and the craftsman's skill level is greatly affected.

Method used

The molds of historical building components with different internal and external structural materials, including the central sleeve, inner mold assembly and outer mold assembly, are made through 3D printing technology, and are respectively matched with the outer contour shape of the inner and outer structural layer of the historical building components. The inner and outer mold components and support frame systems are used to inject the inner and outer layer slurry layer by layer to form a complete historical building component.

Benefits of technology

The construction quality and accuracy of the inner and outer structural layers of historical building components have been improved, the connection quality of the inner and outer structural layers has been enhanced, the problem of falling off is avoided, the overall construction quality of components such as Baobao railings has been improved, the dependence on craftsman skills has been reduced, and the efficiency and quality of restoration construction has been improved.

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Abstract

The invention discloses a mold for a historical building component with different inner and outer structural materials and a manufacturing method, the mold comprises a center sleeve, an inner mold assembly and an outer mold assembly which are arranged in a nested mode, and the inner mold assembly comprises an inner mold and a first supporting rod connected in the center sleeve in an inserted and pulled mode; the inner mold supporting frame is detachably connected between the first supporting rod and the inner mold; the outer mold assembly comprises an outer mold, a second supporting rod connected into the center sleeve in a pluggable mode and an outer mold supporting frame detachably connected between the second supporting rod and the outer mold. The first supporting rod and the second supporting rod are common parts or independent parts. The method can improve the precision and construction quality of the outer contour shapes of the internal and external structural layers of the historical building component, can improve the bonding strength of the internal and external structural layers of the historical building component, and has the advantages of high recovery quality, high manufacturing efficiency and small influence from the skill level of craftsmen.
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Description

Technical Field

[0001] The invention relates to the field of historical building maintenance, and in particular to a mold and a manufacturing method for a historical building component with different internal and external structural materials. Background Art

[0002] Historical buildings have historical and cultural value. When repairing and constructing historical buildings, it is difficult to restore the historical buildings due to the lack of craftsmen and the loss of craftsmanship. For historical building components such as pediments, capital patterns, and vase railings in the structure of historical buildings, they have specific shape structures, pattern structures, and specific textures. When the structural damage of the original historical style building components is large and affects the structural stress, they need to be replaced as a whole. For this purpose, modern technology is needed to make new historical style building components. For example: the vase railing is in the shape of a vase as a whole, with a reinforced concrete structure inside and a water-brushed stone finish on the outside. The traditional production method is: assembly with small templates, which has the disadvantages of complex construction procedures, difficult to guarantee restoration quality, need to improve construction efficiency, and excessive reliance on craftsman skills during the repair process. Summary of the invention

[0003] The purpose of the present invention is to provide a mold and a production method for historical building components with different internal and external structural materials, so as to solve the problems of complex construction procedures, poor restoration quality, low production efficiency and great influence on the skill level of craftsmen in traditional production of historical building components with different internal and external structural materials.

[0004] In order to solve the above technical problems, the present invention provides a mold for a historical building component with different inner and outer structural materials, comprising a central sleeve, an inner mold assembly and an outer mold assembly which are nested and spaced in sequence from the inside to the outside, the inner mold assembly comprising an inner mold located at the periphery of the central sleeve and matching the outer contour shape of the internal structural layer of the historical building component, a first support rod plugged in and connected to the central sleeve, and an inner mold support frame detachably connected between the first support rod and the inner mold, the inner mold support frame being located at both ends of the inner mold; the outer mold assembly comprising an outer mold located at the periphery of the inner mold and matching the outer contour shape of the external structural layer of the historical building component, a second support rod plugged in and connected to the central sleeve, and an outer mold support frame detachably connected between the second support rod and the outer mold, the outer mold support frame being located at both ends of the outer mold; the first support rod and the second support rod are common parts or independent parts.

[0005] Furthermore, in the mold of the historical building component with different internal and external structural materials provided by the present invention, the inner mold support frame and the outer mold support frame are both hollow skeletons.

[0006] Furthermore, in the mold of the historical building component with different internal and external structural materials provided by the present invention, the inner mold support frame at one end is a hollow skeleton, and the inner mold support frame at the other end is a plate-like member.

[0007] Furthermore, in the mold of the historical building component with different internal and external structural materials provided by the present invention, the outer mold support frame at one end is a hollow skeleton, and the outer mold support frame at the other end is a plate-like member.

[0008] Furthermore, the mold of the historical building component with different internal and external structural materials provided by the present invention has a concave-convex surface in the cavity of the inner mold that matches the outer contour shape of the internal structural layer of the historical building component.

[0009] In order to solve the above technical problems, the present invention also provides a method for manufacturing a historical building component with different internal and external structural materials, using the mold of the historical building component with different internal and external structural materials, comprising: The outer contour shape information of the inner structure layer and the outer structure layer of the historical building component is respectively obtained by a 3D printer according to the three-dimensional laser scanning technology to perform 3D printing to produce the inner mold and the outer mold, so that the cavities of the inner and outer molds match the outer contour shapes of the inner and outer structure layers of the historical building component respectively; The inner mold assembly is arranged vertically on a plane, the center sleeve is arranged at the vertical center of the inner mold of the inner mold assembly, the first support rod of the inner mold assembly is inserted into the center sleeve, the inner mold support frame is installed between the inner molds at the upper and lower ends and the corresponding first support rods at the upper and lower ends to support the two ends of the inner mold, and the inner layer slurry is poured into the gap between the center sleeve and the inner mold to form the inner structure layer of the historical building component, so that the outer contour shape of the inner structure layer of the historical building component is consistent with the cavity of the inner mold; After the inner mortar of the internal structural layer of the historic building component reaches the strength condition, the center sleeve is retained and the inner mold assembly is removed; Apply a retarder in the mold cavity of the outer mold of the outer mold assembly, sleeve the outer mold assembly on the periphery of the inner structural layer of the historical building component, insert the second support rod of the outer mold assembly into the central sleeve, install an outer mold support frame between the outer molds at the upper and lower ends and the corresponding second support rods at the upper and lower ends to support the two ends of the outer mold, pour an outer layer of slurry into the gap between the inner structural layer of the historical building component and the outer mold to form the outer structural layer of the historical building component, make the outer structural layer bonded to the inner structural layer, and make the outer contour shape of the outer structural layer of the historical building component consistent with the mold cavity of the outer mold; After the outer mortar of the outer structural layer of the historic building component reaches the strength condition, the central sleeve is retained and the outer formwork assembly is removed; The inner layer slurry is densely filled in the central sleeve to form a solid structure of the historical building component, thereby realizing the restoration construction of the historical building component.

[0010] Furthermore, the present invention provides a method for manufacturing a historical building component with different inner and outer structural materials, in which component steel bars are inserted into a central sleeve, and the inner layer slurry is densely filled in the gap between the component steel bars and the central sleeve to form a solid structure of the historical building component, thereby realizing the restoration construction of the historical building component.

[0011] Furthermore, the present invention provides a method for producing historical building components with different internal and external structural materials, which uses a 3D printer to obtain the outer contour shape information of the internal structural layer of the historical building component according to three-dimensional laser scanning technology and add the concave and convex surface information, and then performs 3D printing to produce the inner mold, so that the cavity of the inner mold matches the outer contour shape of the internal structural layer of the historical building component and adds the concave and convex surface shape.

[0012] Furthermore, the present invention provides a method for manufacturing a historical building component with different inner and outer structural materials, wherein the inner layer slurry is concrete, and the outer layer slurry is water-brushed stone.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The mold and manufacturing method of the historical building component with different inner and outer structural materials provided by the present invention, when constructing the historical building component with different inner and outer structural materials, by fixing the inner mold component on the central sleeve, so that the inner mold component is located at the periphery of the central sleeve, and pouring the inner layer slurry into the gap between the central sleeve and the inner mold to form the internal structural layer of the historical building component, so that the outer contour shape of the internal structural layer of the historical building component is consistent with the cavity of the inner mold, thereby improving the construction quality and construction accuracy of the outer contour shape of the internal structural layer of the historical building component made of the inner layer slurry; by sleeved the outer mold component on the periphery of the internal structural layer of the constructed historical building component and installed it on the central sleeve, by pouring the outer layer slurry into the gap between the outer mold and the internal structural layer The slurry forms the outer structural layer of the historical building component, so that the outer contour shape of the outer structural layer of the historical building component is consistent with the cavity of the outer mold, thereby improving the construction quality and accuracy of the outer contour shape of the outer structural layer of the historical building component made of the outer layer slurry, and by bonding the outer structural layer to the inner structural layer, the connection quality of the inner and outer structural layers is improved, and the problem of the two falling off is avoided, thereby improving the overall construction quality of historical building components with different internal and external structural materials such as vase railings and cylindrical railings, and performing high-quality restoration construction on historical building components. Compared with the method of using small template splicing construction technology to make historical building components with different internal and external structural materials, it has the advantages of high restoration quality, high production efficiency, and little influence by the skill level of craftsmen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1is a three-dimensional perspective structural diagram of a historical building component with different internal and external structural materials according to Example 1; Figure 2 is a three-dimensional perspective structural diagram of the inner mold assembly of the first embodiment and the inner mold assembly and the central sleeve in a connected state; Figure 3 is a perspective structural diagram of the outer mold assembly of the first embodiment and the outer mold assembly and the central sleeve in a connected state; Figure 4 is a schematic cross-sectional structure diagram of the outer mold of Embodiment 1; Figure 5 This is a schematic diagram of the facade structure of a historical building component formed after the external structural layer is made by the external mold of the first embodiment; Figure 6 to Figure 7 It is a schematic diagram of the elevation cross-sectional structure of the historical building components with different internal and external structural materials with and without steel bars in Example 1; Figure 8 is a schematic cross-sectional structure diagram of the outer mold of the second embodiment; Fig. 9 This is a schematic diagram of the facade structure of a historical building component formed after the external structural layer is made by the external mold of the second embodiment; As shown in the figure: 100, inner mold assembly, 110, inner mold, 120, first support rod, 130, inner mold support frame; 200, outer mold assembly, 210, outer mold, 211, mold cavity, 220, second support rod, 230, outer mold support frame; 300, center sleeve; 400. Historical building components, 410. Internal structural layer, 411. Steel bars, 420. External structural layer. DETAILED DESCRIPTION

[0015] The present invention is described in detail below in conjunction with the accompanying drawings: The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0016] Please refer to Figures 1 to 4 and Figure 8The embodiment of the present invention provides a mold for a historical building component with different internal and external structural materials, comprising a central sleeve 300, an inner mold assembly 100 and an outer mold assembly 200 which are sequentially spaced and nested from the inside to the outside, wherein the inner mold assembly 100 comprises an inner mold 110 which is located at the periphery of the central sleeve 300 and matches the outer contour shape of an internal structural layer 410 of the historical building component 400, that is, the inner mold 110 has a mold cavity which matches the outer contour shape of the internal structural layer 410 of the historical building component 400, a first support rod 120 which is pluggable and connected in the central sleeve 300, and an inner mold support frame 130 which is detachably connected between the first support rod 120 and the inner mold 110, wherein the inner mold support frame 130 There are two of them, which are respectively located at the two ends of the inner mold 110; the outer mold assembly 200 includes an outer mold 210 located outside the inner mold 110 and matching the outer contour shape of the outer structural layer 420 of the historical building component 400, that is, the outer mold 210 has a cavity 211 that matches the outer contour shape of the outer structural layer 420 of the historical building component 400, a second support rod 220 pluggably connected to the center sleeve 300, and an outer mold support frame 230 detachably connected between the second support rod 220 and the outer mold 210, and there are two of the outer mold support frames 230, which are respectively located at the two ends of the outer mold 210; the first support rod 120 and the second support rod 220 are common parts or independent parts.

[0017] Please refer to Figures 2 to 3 In order to improve the stability of the inner mold 110 when in use and improve the construction quality of the structural shape of the internal structure layer 410 of the historical building component 400, the embodiment of the present invention provides a mold of a historical building component with different internal and external structural materials, wherein the inner mold support frame 130 and the outer mold support frame 230 are both hollow skeletons. The hollow skeleton can be an inner ring, an outer ring, and a plurality of rod-shaped members radially and evenly distributed between the two, wherein the inner ring can be a detachable structure such as a threaded connection or a snap connection with the first support rod 120 or the second support rod 220, wherein the outer ring can be a detachable connection such as a snap connection with the inner mold 110 or the outer mold 210. Thus, the inner mold support frame 130 and the outer mold support frame 230 at the upper and lower ends respectively support the inner mold 110 and the outer mold 210 to prevent them from displacement and affecting the mold molding quality.

[0018] Of course, in order to fix the inner mold 110, the mold of the historical building component with different inner and outer structural materials provided by the embodiment of the present invention can be a hollow frame at one end of the inner mold support frame 130, and the inner mold support frame 130 at the other end can be a plate-like member. At the same time, the outer mold support frame 230 at one end can also be a hollow frame, and the outer mold support frame 230 at the other end can also be a plate-like member. When in use, the support frame of the plate-like member is placed on a plane.

[0019] The embodiment of the present invention further provides a method for manufacturing a historical building component 400 with different internal and external structural materials, using the mold of the historical building component with different internal and external structural materials, which may include: Step S1, please refer to Figure 4 and Figure 8 , the outer contour shape information of the inner structure layer 410 and the outer structure layer 420 of the historical building component 400 is obtained by a 3D printer according to the three-dimensional laser scanning technology, and the inner mold 110 and the outer mold 210 are produced by 3D printing, so that the cavities of the inner mold 110 and the outer mold 210 match the outer contour shapes of the inner and outer structure layers 420 of the historical building component 400 respectively. The inner mold 110 and the outer mold 210 are 3D printed by a 3D printer according to the outer contour shape information of the inner structure layer 410 and the outer structure layer 420 of the real historical building component 400, which can improve the consistency of matching the cavities of the inner mold 110 and the outer mold 210 with the outer contour shapes of the inner structure layer 410 and the outer structure layer 420 of the historical building component 400, so as to produce a high-quality inner structure layer 410 by the inner mold 110, and produce a high-quality outer structure layer 420 on the periphery of the inner structure layer 410 by the outer mold 210, so as to form a high-quality and high-precision historical building component 400. Please refer to Figures 4 to 5 When the historical building component with different inner and outer structural materials is a double-layer columnar component, the cavity of the inner mold 110 and the cavity 211 of the outer mold 210 are both columnar, thereby manufacturing a double-layer columnar body through the mold. Figures 8 to 9 When the historical building component with different internal and external structural materials is a vase railing, the cavity of the inner mold 110 and the cavity 211 of the outer mold 210 are both in the shape of a vase railing, and the double-layer vase railing is made by the above mold. The above mold with high precision is formed by 3D printing technology to be consistent with the outer contour shape of the internal structure layer 410 and the external structure layer 420 of the historical building component 400, avoiding the problems of low efficiency, difficult quality assurance, and high dependence on the skills of workers caused by traditional processes that divide complex shapes into multiple small modules.

[0020] Step S2, please refer to Figure 2 , Figures 4 to 5, the inner mold assembly 100 is arranged vertically on a plane, the central sleeve 300 is arranged at the vertical center of the inner mold 110 of the inner mold assembly 100, the first support rod 120 of the inner mold assembly 100 is inserted into the central sleeve 300, the inner mold support frame 130 is installed between the inner molds 110 at the upper and lower ends and the corresponding first support rods 120 at the upper and lower ends to support the two ends of the inner mold 110, and the inner layer slurry is poured into the gap between the central sleeve 300 and the inner mold 110 to form the inner structure layer 410 of the historical building component 400, so that the outer contour shape of the inner structure layer 410 of the historical building component 400 is consistent with the cavity of the inner mold 110. The inner layer slurry can be concrete.

[0021] Step S3, after the inner slurry of the inner structural layer 410 of the historic building component 400 reaches the strength condition, the central sleeve 300 is retained and the inner mold assembly 100 is removed.

[0022] Step S4, please refer to Figure 3 , brush the retarder in the mold cavity of the outer mold 210 of the outer mold assembly 200, sleeve the outer mold assembly 200 on the periphery of the inner structure layer 410 of the historical building component 400, insert the second support rod 220 of the outer mold assembly 200 into the central sleeve 300, install the outer mold support frame 230 between the outer molds 210 at the upper and lower ends and the corresponding second support rods 220 at the upper and lower ends to support the two ends of the outer mold 210, pour the outer layer slurry into the gap between the inner structure layer 410 of the historical building component 400 and the outer mold 210 to form the outer structure layer 420 of the historical building component 400, make the outer structure layer 420 bonded to the inner structure layer 410, and make the outer contour shape of the outer structure layer 420 of the historical building component 400 consistent with the mold cavity 211 of the outer mold 210. The outer layer slurry can be water-brushed stone.

[0023] Step 51, please refer to Figures 4 to 5 After the outer slurry of the outer structural layer 420 of the historic building component 400 reaches the strength condition, the central sleeve 300 is retained and the outer mold assembly 200 is removed.

[0024] Step S6, please refer to Figure 6 The inner layer of slurry is densely filled in the central sleeve 300 to form a solid structure of the historical building component 400, so as to realize the restoration construction of the historical building component 400. Self-leveling slurry can be used for filling to improve its density.

[0025] The mold and manufacturing method of the historical building component with different inner and outer structural materials provided in the embodiment of the present invention, when constructing the historical building component 400 with different inner and outer structural materials such as double-layer columnar body and vase railing, by fixing the inner mold assembly 100 on the central sleeve 300, so that the inner mold assembly 100 is located at the periphery of the central sleeve 300, and pouring the inner layer slurry into the gap between the central sleeve 300 and the inner mold 110 to form the inner structural layer 410 of the historical building component 400, so that the outer contour shape of the inner structural layer 410 of the historical building component 400 is consistent with the cavity of the inner mold 110, thereby improving the construction quality and construction accuracy of the outer contour shape of the inner structural layer 410 of the historical building component 400 made of the inner layer slurry; by sleeved the outer mold assembly 200 on the periphery of the inner structural layer 410 of the constructed historical building component 400 and installed it on the central sleeve 300, by the outer mold 2 An outer layer of slurry is poured into the gap between the outer structure layer 10 and the inner structure layer 410 to form the outer structure layer 420 of the historical building component 400, so that the outer contour shape of the outer structure layer 420 of the historical building component 400 is consistent with the cavity of the outer mold 210, thereby improving the construction quality and accuracy of the outer contour shape of the outer structure layer 420 of the historical building component 400 made of the outer layer of slurry, and by bonding the outer structure layer 420 to the inner structure layer 410, the connection quality of the inner and outer structure layers is improved, and the problem of the two falling off is avoided, thereby improving the overall construction quality of historical building components 400 with different inner and outer structure materials such as vase railings and cylindrical railings, and performing high-quality restoration construction on the historical building component 400. Compared with the method of using a small template splicing construction process to manufacture historical building components 400 with different inner and outer structure materials, this method has the advantages of high restoration quality, high production efficiency, and little influence by the skill level of craftsmen.

[0026] Please refer to Figure 7 In order to improve the structural strength of the manufactured historical building component 400, the manufacturing method of the historical building component with different inner and outer structural materials provided in the embodiment of the present invention can, in step S6, insert the component steel bar 411 into the central sleeve 300, and densely fill the inner layer slurry in the gap between the component steel bar 411 and the central sleeve 300 to form a solid structure of the historical building component 400, thereby realizing the restoration construction of the historical building component 400.

[0027] In order to make the manufactured external structure layer 420 stably bonded to the internal structure layer 410, the mold and manufacturing method of the historical building component with different internal and external structure materials provided in the embodiment of the present invention, the inner mold 110 has a concave-convex surface in the cavity that matches the outer contour shape of the internal structure layer 410 of the historical building component 400. The inner mold 110 is manufactured by 3D printing after obtaining the outer contour shape information of the internal structure layer of the historical building component 400 according to the three-dimensional laser scanning technology and adding the concave-convex surface information, so that the cavity of the inner mold 110 matches the outer contour shape of the internal structure layer of the historical building component 400 and adds the concave-convex surface shape. By designing the cavity of the inner mold 110 as a concave-convex surface, the roughness of its outer contour is improved, so that the external structure layer 420 can be reliably and stably bonded to the internal structure layer 410, and the connection quality between the structures of the historical building component 400 is improved.

[0028] The mold and production method for historical building components with different internal and external structural materials provided in the embodiments of the present invention effectively improve the accuracy and efficiency of the restoration of historical building components with different internal and external structural materials, especially for the outer contour shape of the external structural layer 420, the production of patterns and floral patterns will be more accurate, avoiding the problems faced by traditional repair techniques such as the need to improve restoration efficiency and difficulty in ensuring repair quality due to the interruption of craftsmen and the loss of craftsmanship. It can be widely used in engineering projects for restoration and repair of large areas of historical features, and the entire implementation process can be highly factory-based, prefabricated or on-site, and the mold can be reused, which has the advantages of green construction, energy saving and environmental protection.

[0029] The present invention is not limited to the above-mentioned specific implementation modes. Obviously, the above-mentioned embodiments are only some embodiments of the embodiments of the present invention, but not all embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention. Those skilled in the art can make other levels of modifications and changes to the present invention. In this way, if these modifications and changes of the present invention fall within the scope of the claims of the present invention, the present invention is also intended to include these changes and changes.

Claims

1. A mold for a historical building component with different internal and external structural materials, characterized in that: It includes a central sleeve, an inner mold component and an outer mold component which are sequentially nested from inside to outside. The inner mold assembly includes an inner mold located at the periphery of the central sleeve and matching the outer contour shape of the inner structural layer of the historical building component, a first support rod pluggable and connected in the central sleeve, and an inner mold support frame detachably connected between the first support rod and the inner mold, and the inner mold support frame is located at both ends of the inner mold; The outer mold assembly includes an outer mold located outside the inner mold and matching the outer contour shape of the outer structural layer of the historical building component, a second support rod pluggable and connected in the central sleeve, and an outer mold support frame detachably connected between the second support rod and the outer mold, and the outer mold support frame is located at both ends of the outer mold; The first support rod and the second support rod are a common component or independent components.

2. The mold for a historical building component with different internal and external structural materials according to claim 1, characterized in that: The inner mold support frame and the outer mold support frame are both hollow skeletons.

3. The mold for the historical building component with different internal and external structural materials according to claim 1, characterized in that: The inner mold support frame at one end is a hollow frame, and the inner mold support frame at the other end is a plate-shaped member.

4. The mold for a historical building component with different internal and external structural materials according to claim 1, characterized in that: The outer mold support frame at one end is a hollow frame, and the outer mold support frame at the other end is a plate-shaped member.

5. The mold for a historical building component with different internal and external structural materials according to claim 1, characterized in that: The inner mold has a concave-convex surface inside the mold cavity that matches the outer contour shape of the internal structural layer of the historical building component.

6. A method for manufacturing a historical building component with different internal and external structural materials, characterized in that: A mold for a historical building component with different internal and external structural materials using any one of claims 1 to 5, comprising: The outer contour shape information of the inner structure layer and the outer structure layer of the historical building component is respectively obtained by a 3D printer according to the three-dimensional laser scanning technology to perform 3D printing to produce the inner mold and the outer mold, so that the cavities of the inner and outer molds match the outer contour shapes of the inner and outer structure layers of the historical building component respectively; The inner mold assembly is arranged vertically on a plane, the center sleeve is arranged at the vertical center of the inner mold of the inner mold assembly, the first support rod of the inner mold assembly is inserted into the center sleeve, the inner mold support frame is installed between the inner molds at the upper and lower ends and the corresponding first support rods at the upper and lower ends to support the two ends of the inner mold, and the inner layer slurry is poured into the gap between the center sleeve and the inner mold to form the inner structure layer of the historical building component, so that the outer contour shape of the inner structure layer of the historical building component is consistent with the cavity of the inner mold; After the inner mortar of the internal structural layer of the historic building component reaches the strength condition, the center sleeve is retained and the inner mold assembly is removed; Apply a retarder in the mold cavity of the outer mold of the outer mold assembly, sleeve the outer mold assembly on the periphery of the inner structural layer of the historical building component, insert the second support rod of the outer mold assembly into the central sleeve, install an outer mold support frame between the outer molds at the upper and lower ends and the corresponding second support rods at the upper and lower ends to support the two ends of the outer mold, pour an outer layer of slurry into the gap between the inner structural layer of the historical building component and the outer mold to form the outer structural layer of the historical building component, make the outer structural layer bonded to the inner structural layer, and make the outer contour shape of the outer structural layer of the historical building component consistent with the mold cavity of the outer mold; After the outer mortar of the outer structural layer of the historic building component reaches the strength condition, the central sleeve is retained and the outer formwork assembly is removed; The inner layer slurry is densely filled in the central sleeve to form a solid structure of the historical building component, thereby realizing the restoration construction of the historical building component.

7. The method for manufacturing a historical building component with different internal and external structural materials according to claim 6, characterized in that: Component steel bars are inserted into the central sleeve, and the gap between the component steel bars and the central sleeve is densely filled with an inner layer of slurry to form a solid structure of a historical building component, thereby realizing the restoration construction of the historical building component.

8. The method for manufacturing a historical building component with different internal and external structural materials according to claim 6, characterized in that: The inner mold is produced by 3D printing after obtaining the outer contour shape information of the inner structure layer of the historical building component according to the three-dimensional laser scanning technology and adding the concave and convex surface information, so that the cavity of the inner mold matches the outer contour shape of the inner structure layer of the historical building component and adds the concave and convex surface shape.

9. The method for manufacturing a historical building component with different internal and external structural materials according to claim 6, characterized in that: The inner layer slurry is concrete, and the outer layer slurry is water-brushed stone.

Citation Information

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