A concrete sandwich wallboard production line

Abstract

The application discloses a concrete sandwich wallboard preparation production line, which comprises a pouring area, a demolding area and a curing area arranged in sequence along the processing direction of the wallboard, a plurality of placing platforms are arranged side by side in the pouring area, a plurality of mold bodies are arranged side by side on each placing platform, a transfer platform is arranged in the demolding area, a pulling mechanism is installed on the transfer platform, and one end of the placing platform is pulled by the pulling mechanism. The application is used for preparing the sandwich wallboard, fills up the plight of lacking special production lines in the industry, improves the production efficiency, and meets the development trend of low-carbon buildings. The application is suitable for the technical field of concrete thermal insulation wallboard preparation.

Description

Technical Field

[0001] This invention belongs to the technical field of concrete insulation wall panel preparation, specifically, it relates to a concrete sandwich wall panel preparation production line. Background Technology

[0002] At present, the insulated wall panels used in prefabricated buildings have achieved large-scale mass production and standardized construction. However, there is a significant industrialization gap in the industry's integrated insulation molding process, innovative products, and supporting mass production equipment. The industry has long used the first-generation single-sided external insulation process. The new type of insulated wall panel with in-situ casting of the wall panel sandwich layer and the adaptation to dedicated automated production lines have not yet been commercialized. The industry's process iteration progress lags behind the development needs of building energy conservation.

[0003] Currently, mass-produced insulated wall panels with compliant qualifications all employ a highly standardized insulation processing method. They all utilize a split composite process with an external insulation layer added to one side of the wall panel substrate, rather than a one-piece molding process. This process involves two steps: prefabricating the load-bearing wall panel substrate and independently shaped insulation panels, then bonding and anchoring the insulation panels to one side of the wall panel using adhesives and rivets, achieving insulation functionality through this secondary composite process. This process has low barriers to entry, requires minimal equipment investment, and has a simple production flow, making it suitable for mass production in small and medium-sized building materials processing plants. It is also the mainstream low-cost insulation processing solution that has been used in the industry for many years.

[0004] Due to the limitations of the split-composite structure, traditional single-sided insulation wall panels have several inherent shortcomings, making them difficult to adapt to current low-carbon and ultra-low-energy building construction standards. Firstly, their structural stability is insufficient. The insulation layer and wall panel substrate are bonded together post-construction, and long-term exposure to temperature variations and external impacts makes them prone to delamination and detachment, posing a safety hazard at heights when used on exterior walls. Secondly, their insulation efficiency is limited. Single-sided insulation cannot prevent thermal bridging at wall joints, resulting in a high heat transfer coefficient that only meets the basic energy-saving requirements of ordinary buildings, failing to meet the high-level energy-saving standards of passive houses and zero-carbon buildings. Thirdly, their service life is mismatched. The external insulation layer is directly exposed to external moisture and acid / alkali corrosion, aging much faster than the wall panel substrate, leading to high maintenance and replacement costs later. Fourthly, their construction practicality is poor. The wall panel and insulation board are transported separately and assembled on-site, increasing labor costs. Furthermore, the added insulation thickness occupies indoor space, limiting their applicability to various scenarios.

[0005] The industry's planned product category is sandwich-layer in-situ cast-in-place insulation wall panels, a completely new structural insulation wall panel. Currently, the entire industry is in a product vacuum, and dedicated mass production lines for this new type of wall panel are also completely absent. This dual gap in products and production lines is mainly due to the lenient building energy efficiency acceptance standards of the past, which allowed traditional wall panels to meet outdated regulations, resulting in weak willingness among companies to iterate their processes. The composite technology of sandwich-layer cast-in-place wall panels is technically challenging, with high R&D costs and timelines, making it unaffordable for small and medium-sized manufacturers. There is also a disconnect between upstream and downstream R&D in wall panel production, equipment manufacturing, and architectural design, leading to a lack of synchronization between new product and production line development. Furthermore, the traditional wall panel industry has low entry barriers and a saturated market, resulting in severe homogenization and competition, which discourages companies from investing in innovative R&D. Summary of the Invention

[0006] This invention provides a concrete sandwich wall panel manufacturing production line for producing sandwich wall panels, which makes up for the industry's lack of dedicated production lines, improves production efficiency, and is in line with the trend of low-carbon building development.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A concrete sandwich wall panel preparation production line includes a pouring area, a demolding area, and a curing area arranged sequentially along the processing direction of the wall panel. Multiple placement platforms are arranged side by side in the pouring area, and multiple mold bodies are arranged side by side on each of the placement platforms. A transfer platform is set in the demolding area, and a traction mechanism is installed on the transfer platform to pull one end of the placement platform.

[0008] A further technical solution is that the upper end of each mold body is in an open state, and a heat insulation layer is provided inside the mold body. The lower end of the heat insulation layer extends to the bottom end of the mold body, the upper end of the heat insulation layer extends to the upper end of the mold body, and the two ends of the heat insulation layer in the length direction extend to the two ends of the mold body in the length direction, respectively. The distance between each side wall of the heat insulation layer and the corresponding inner side wall of the mold body is 50-70mm.

[0009] A further technical solution is that two sets of lateral support components are provided on both sides of the insulation layer, each lateral support component is supported on the corresponding side of the insulation layer, and the two ends of the lateral support components extend out of the two end walls of the mold body along the length direction of the insulation layer.

[0010] A further technical solution is that a limiting beam extending along the length direction of the insulation layer is provided above each of the mold bodies, the lower end of the limiting beam is in contact with the upper end of the insulation layer, and the limiting beam is detachably connected to both ends of the mold body in the length direction.

[0011] A further technical solution is that the placement platform includes a horizontally arranged platform body, on which multiple partition bars are installed side by side, forming a placement area between two adjacent partition bars, and the mold body is placed in the placement area. The ends of the multiple partition bars on the same side are connected to a pulling tube, and the pulling tube extends along the arrangement direction of the partition bars.

[0012] A further technical solution is that the pulling mechanism includes a winch installed on the end of the transfer platform away from the placement platform, two steel wire ropes are symmetrically wound on the winch, and a hook assembly is slidably connected on the transfer platform. The hook assembly is hooked to one end of the placement platform, and the two ends of each steel wire brush are respectively connected to the two opposite ends of the hook assembly. The hook assembly moves along the length direction of the mold body under the pull of the steel wire ropes.

[0013] A further technical solution is that the hook assembly includes a sliding seat slidably mounted on the transfer platform, with each end of a steel wire rope connected to the two ends of the sliding seat in the direction of movement. An assembly rod is installed at the end of the sliding seat near the casting area. The assembly rod extends along the arrangement direction of the mold body, and multiple pull hooks are installed at intervals along its length on the assembly rod. Each pull hook is hooked to one end of the corresponding placement platform.

[0014] A further technical solution is that at least one mold limiting mechanism is installed on the transfer platform; when the number of mold limiting mechanisms is not less than two, the mold limiting mechanisms are spaced apart along the pulling direction of the pulling mechanism, and the upper end of each mold body is limited at the mold limiting mechanism.

[0015] A further technical solution is that the mold limiting mechanism includes two vertical beams symmetrically installed on both sides of the transfer platform, a transverse beam extending along the arrangement direction of the mold body is installed between the two vertical beams, an installation rod extending along its length direction is installed at the lower end of the transverse beam, the installation rod is higher than the mold body, and multiple limiting strips are movably installed at intervals along its length direction on the installation rod, the lower end of each limiting strip is lower than the upper end surface of the mold body, and a gasket is provided between two adjacent limiting strips.

[0016] A further technical solution is that a strip-shaped hole is provided at the upper part of each of the vertical beams, the strip-shaped hole extends vertically, and the transverse beam is connected to the vertical beam through a fastening bolt passing through the strip-shaped hole, and a fastening nut is threaded onto the fastening bolt.

[0017] The present invention, by employing the above-described structure, achieves the following technological advancements compared to existing technologies: This invention enables simultaneous parallel operation of multiple processes through a three-zone modular production line layout, significantly improving overall production efficiency. The production line is divided into independent functional areas along the processing flow, allowing the three core processes of casting, demolding, and curing to be carried out simultaneously. The casting area can continuously hold empty molds to complete the casting operation; the demolding area simultaneously processes the wall panel modules after the previous batch has initially set; and the curing area continuously maintains the demolded finished products. Unlike the traditional simple production line where a single mold completes casting, settling, and curing sequentially, this invention avoids the problem of a single process blocking the entire production line, significantly improving continuous production capacity. Furthermore, multiple machines are set up in the casting area... The side-by-side placement platforms, with multiple sets of mold bodies arranged on each platform, allow multiple concrete sandwich wall panels to be formed simultaneously in a single pouring operation. Relying on the batch production mode, it adapts to the large-scale production needs of building material factories. Compared with small equipment that pours single molds and single panels, the single-batch production capacity is increased several times, effectively shortening the production cycle of a single batch. After the wall panel concrete has initially set, the traction mechanism can hook the entire placement platform at once, driving all the mold bodies on the placement platform to move synchronously to the transfer platform. There is no need for manual handling or forklift transfer of individual molds, which greatly shortens the transfer time from initial setting to the demolding station. The connection between each process is smooth and uninterrupted.

[0018] This invention completely separates the molding equipment from the curing process, fundamentally improving the turnover rate of core molding equipment such as the mold body and placement platform. Traditional production lines for split-type insulated wall panels and simple precast wall panels generally suffer from the defect that after casting, the mold and wall panel are bound together and sent to the curing area. During the curing cycle, the entire set of molds and supporting platforms are idle, resulting in extremely low daily equipment cycle counts and significantly increasing the pressure of amortization of equipment investment costs. In contrast, this invention only transfers the mold module after initial setting to the demolding area to complete the demolding operation, and only the finished wall panel is transferred separately to the curing area for curing. The mold body, placement platform, and transfer platform do not enter the curing area at all. After demolding, the empty mold and supporting platform can be immediately returned to the casting area to quickly carry out the next batch of wall panel casting and molding. There is no long-term idle window waiting for curing for the molding equipment. Under the condition of the same number of mold and platform equipment, the daily production batches of the equipment are significantly increased, greatly reducing the equipment depreciation and purchase amortization costs per wall panel. Small and medium-sized building material manufacturers can achieve high production capacity output with a small number of equipment. In addition, the linear unidirectional flow layout can optimize the factory space layout, effectively improve the utilization rate of the factory site, and the production line is arranged linearly in one direction along the processing flow. The materials and modules flow in one direction throughout the entire process, and there is no cross handling or back-and-forth transfer. The internal logistics channels of the factory are simple and orderly, which can reduce the area occupied by the channels.

[0019] This invention fills the market gap for a dedicated mass production line for sandwich wall panels, and is highly aligned with the development trend of the low-carbon and ultra-low-energy building industry. Existing mainstream production equipment in the industry is only compatible with single-sided external insulation split wall panels; there is no dedicated mass production equipment suitable for integrated sandwich insulation wall panels. Traditional split wall panels have long suffered from inherent shortcomings such as hollowing and detachment, poor insulation performance, mismatched service life, and poor construction practicality, failing to meet high-level energy-saving standards such as passive houses and zero-carbon buildings. This production line is specifically designed for integrated concrete sandwich wall panels, enabling in-situ casting and molding of the insulation layer and concrete as a single unit. It can replace traditional adhesive bonding processes, producing wall panels without thermal bridges, with stable structures and excellent insulation and durability. This production line truly realizes automated, large-scale mass production of sandwich wall panels, filling the industrial gap of new products lacking supporting mass production equipment, and promoting the widespread adoption of low-carbon prefabricated buildings. The integrated sandwich wall panels mass-produced by this line have lower maintenance and replacement costs in the later stages, and significantly reduce the overall energy consumption of buildings in the long term. Compared with traditional single-sided insulation wall panels, the products have differentiated market competitiveness and can meet the current development needs of building energy conservation and dual-carbon goals. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0021] In the attached diagram: Figure 1 This is a schematic diagram of the sandwich wall panel according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the insulation layer in the sandwich wall panel according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the connection between the insulation layer and the supporting frame in a sandwich wall panel according to an embodiment of the present invention; Figure 4 for Figure 3 Side view of the structure shown; Figure 5 for Figure 3 Top view of the structure shown; Figure 6 This is a schematic diagram of the mold body according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of the mold body after the side templates are removed, according to an embodiment of the present invention. Figure 8 This is a schematic diagram of the connection between the end template and the limiting beam in an embodiment of the present invention; Figure 9 This is a schematic diagram of the structure of multiple mold bodies placed on a placement platform according to an embodiment of the present invention; Figure 10 This is a schematic diagram of the structure of the platform according to an embodiment of the present invention; Figure 11 This is a schematic diagram of the connection between the separator strip and the pulling tube in an embodiment of the present invention; Figure 12 This is a schematic diagram showing the connection between the transfer platform, the mold limiting mechanism, and the pulling mechanism in an embodiment of the present invention; Figure 13 This is a top view of the structure connecting the transfer platform and the traction mechanism according to an embodiment of the present invention; Figure 14 This is a schematic diagram of the hook-and-loop assembly according to an embodiment of the present invention; Figure 15 This is a schematic diagram of the mold limiting mechanism according to an embodiment of the present invention; Figure 16 This is a schematic diagram of the structure of the mold body passing through the mold limiting mechanism in an embodiment of the present invention.

[0022] Components labeled: 100-Insulation layer, 101-Concrete wall panel, 102-Precast hole, 103-Top corner plate, 104-Connecting hole, 105-Horizontal reinforcement, 106-Vertical reinforcement, 107-Connecting reinforcement, 108-First diagonal brace, 109-End reinforcement, 110-Second diagonal brace, 200-Mold body, 201-Side template, 202-End template, 203-Side support rod, 204-Limiting beam, 205-Guide hole, 206-U-shaped plate, 207-Locking plate, 208-Connecting bolt, 300-Placement platform, 301 - Platform body, 302- Separator strip, 303- Placement area, 304- Connecting wing, 305- Connecting sleeve, 306- Pulling pipe, 400- Transfer platform, 500- Hook assembly, 501- Sliding seat, 502- Connecting ear, 503- Assembly rod, 504- Pulling hook, 600- Winch, 700- Wire rope, 800- Mold limiting mechanism, 801- Vertical beam, 802- Strip hole, 803- Horizontal beam, 804- Fastening bolt, 805- Fastening nut, 806- Mounting rod, 807- Limiting strip, 808- Gasket. Detailed Implementation

[0023] The preferred embodiments of the present invention will now be described with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustrative and explanatory purposes only and are not intended to limit the scope of the invention.

[0024] This invention discloses a production line for preparing concrete sandwich wall panels, such as... Figures 1-16 As shown, the wall panel includes a casting area, a demolding area, and a curing area arranged sequentially along the processing direction of the wall panel. Multiple placement platforms 300 are arranged side by side in the casting area, and multiple mold bodies 200 are arranged side by side on each placement platform 300. A transfer platform 400 is set in the demolding area, and a pulling mechanism is installed on the transfer platform 400. The pulling mechanism pulls one end of the placement platform 300.

[0025] The working principle and advantages of this invention are as follows: This invention, through a three-zone modular production line layout, enables simultaneous parallel operation of multiple processes, significantly improving overall production efficiency. The production line is divided into independent functional areas along the processing flow, allowing the three core processes of casting, demolding, and curing to be carried out simultaneously. The casting area continuously holds empty molds to complete the casting operation; the demolding area simultaneously processes the wall panel modules after initial setting from the previous batch; and the curing area continuously maintains the demolded finished products. Unlike traditional simple production lines where a single mold completes casting, setting, and curing sequentially, this invention avoids the problem of a single process blocking the entire production line, significantly improving continuous production capacity. Simultaneously, the casting area is equipped with multiple 300-meter platforms placed side-by-side. The placement platform 300 is equipped with multiple sets of mold bodies 200. In a single pouring operation, multiple concrete sandwich wall panels can be formed simultaneously. Relying on the batch production mode, it adapts to the large-scale production needs of building material factories. Compared with small equipment that pours single molds and single panels, the single production capacity is increased several times, effectively shortening the production cycle of a single batch. After the wall panel concrete has initially set, the traction mechanism can hook the entire placement platform 300 at once, driving all the mold bodies 200 on the placement platform 300 to move synchronously to the transfer platform 400. There is no need for manual handling or forklift transfer of individual molds, which greatly shortens the transfer time to the demolding station after initial setting. The connection between each process is smooth and uninterrupted.

[0026] This invention completely separates the molding equipment from the curing process, fundamentally improving the turnover rate of core molding equipment such as the mold body 200 and the placement platform 300. Traditional split-type thermal insulation wall panel and simple precast wall panel production lines generally have the defect that the mold and the wall panel are bound together after the casting is completed and sent into the curing area. During the curing cycle, the entire set of molds and the supporting platform are idle, and the daily cycle number of the equipment is extremely low, which greatly increases the pressure of amortization of equipment investment costs. This invention only transfers the pre-cured mold modules to the demolding area to complete the demolding operation. Only the finished wall panels are transferred separately to the curing area for curing. The mold body 200, placement platform 300, and transfer platform 400 do not enter the curing area throughout the process. After demolding, the empty mold and supporting platform can be immediately returned to the casting area to quickly start the next batch of wall panels for casting. There is no long-term idle period for the molding equipment waiting for curing. Under the condition of the same number of mold and platform equipment, the daily production batches of the equipment are significantly increased, which greatly reduces the equipment depreciation and purchase amortization costs per wall panel. Small and medium-sized building material manufacturers can achieve high production capacity output with a small number of equipment. In addition, the linear unidirectional flow layout can optimize the factory space layout, effectively improve the utilization rate of the factory site. The production line is arranged linearly in one direction along the processing flow, and the material and module flow is unidirectional throughout the process. There is no cross-transportation or back-and-forth transfer. The internal logistics channels of the factory are simple and orderly, which can reduce the area occupied by the channels.

[0027] This invention fills the market gap for a dedicated mass production line for sandwich wall panels, and is highly aligned with the development trend of the low-carbon and ultra-low-energy building industry. Existing mainstream production equipment in the industry is only compatible with single-sided external insulation split wall panels; there is no dedicated mass production equipment suitable for integrated sandwich insulation wall panels. Traditional split wall panels have long suffered from inherent shortcomings such as hollowing and detachment, poor insulation performance, mismatched service life, and poor construction practicality, failing to meet high-level energy-saving standards such as passive houses and zero-carbon buildings. This production line is specifically designed for integrated concrete sandwich wall panels, enabling 100% in-situ casting of the insulation layer and concrete as a single unit. It can replace traditional adhesive bonding processes, producing wall panels without thermal bridges, with stable structures and excellent thermal insulation durability. This production line truly realizes automated, large-scale mass production of sandwich wall panels, filling the industrial gap of new products lacking supporting mass production equipment, and promoting the widespread adoption of low-carbon prefabricated buildings. The integrated sandwich wall panels mass-produced by this line have lower maintenance and replacement costs in the later stages, and significantly reduce the overall building energy consumption in the long term. Compared with traditional single-sided insulation wall panels, the products have differentiated market competitiveness and can meet the current development needs of building energy conservation and dual-carbon goals.

[0028] As a preferred embodiment of the present invention, such as Figures 1-5 As shown, the sandwich wall panel includes a concrete wall panel 101 with a sandwich cavity, within which an insulation layer 100 is disposed. A supporting frame is pre-installed within the concrete wall panel 101, and the insulation layer 100 is fixedly disposed within the concrete wall panel 101 by the supporting frame. The supporting frame includes single-sided frames symmetrically arranged on two opposite sides of the insulation layer 100, and these two single-sided frames are connected by multiple connecting ribs 107. Multiple connecting holes 104 are evenly provided on the side surface of the insulation layer 100, and each connecting rib 107 passes through a corresponding connecting hole 104 along the thickness direction of the insulation layer 100. Specifically, the single-sided frame includes multiple vertical ribs 106 and multiple horizontal ribs 105. These vertical ribs 106 are spaced apart along the length of the insulation layer 100, and these horizontal ribs 105 are spaced apart along the height of the insulation layer 100. Each vertical rib 106 extends vertically from the lower end to the upper end of the insulation layer 100, and each horizontal rib 105 extends vertically from one end to the other end of the insulation layer 100. The horizontal ribs 105 and vertical ribs 106 are welded or tied together at their intersections, and connecting ribs 107 are welded or tied together with the horizontal ribs 105 or the vertical ribs 106.

[0029] In this embodiment, single-sided frames are symmetrically arranged on both sides of the insulation layer 100. Multiple connecting ribs 107, passing through the connection holes 104 of the insulation layer 100 along its thickness direction, connect the two sets of single-sided frames, forming a bidirectional uniform clamping constraint on the insulation layer 100. The evenly spaced connection holes 104 on the side of the insulation layer 100 provide precise and regular insertion and positioning channels for the connecting ribs 107. All connecting ribs 107 penetrate the insulation layer 100 along its thickness direction. The single-sided frames on both sides form a cage-like overall support structure based on the connecting ribs 107. During concrete pouring and vibration operations in the factory, this structure can comprehensively limit problems such as floating, lateral displacement, tilting, and compression deformation of the insulation layer 100, ensuring that the insulation layer 100 remains stably centered within the cavity of the concrete wall panel 101. This avoids molding defects caused by the insulation layer 100 shifting, resulting in an excessively thin protective layer on one side and compression on the other, thus ensuring uniform and standardized dimensions of the wall panel insulation structure.

[0030] In this embodiment, the symmetrically arranged single-sided frame and the connecting ribs 107 penetrating the insulation layer 100 are welded or tied together to form a complete rigid load-bearing skeleton. This allows the concrete surface layers on both the inner and outer sides of the wall panel to form an integrated and coordinated load-bearing system through the supporting skeleton. This completely solves the structural defects of traditional sandwich wall panels, such as weak bonding between the inner and outer concrete surface layers and the insulation layer 100, and easy delamination under stress. It significantly improves the overall bending, shear, and impact resistance of the precast concrete sandwich wall panel. The wall panel is less prone to surface cracking and peeling during hoisting, transportation, and subsequent service, and the overall structural stability is significantly improved. At the same time, the evenly distributed connecting holes 104 on the insulation layer 100 ensure that the connecting ribs 107 are evenly arranged. The clamping force of the skeleton on the insulation layer 100 is distributed to the entire surface of the insulation layer 100, preventing localized concentrated compressive stress. This effectively prevents the insulation board from denting or breaking due to excessive localized stress, fully preserving the original thermal insulation structure of the insulation layer 100 and ensuring that the energy-saving performance of the wall does not decline. The single-sided frame uses a grid structure formed by interlaced continuous vertical ribs 106 arranged at intervals along the length of the insulation layer 100 and continuous horizontal ribs 105 arranged at intervals along the height of the insulation layer 100. Each vertical rib 106 extends completely from the lower end to the upper end of the insulation layer 100, and each horizontal rib 105 extends completely from one end of the insulation layer 100 to the other end, which can provide uniform support for the insulation layer 100 without blind spots. Unlike the simple frame with segmented short ribs for local support, the continuous vertical ribs 106 and horizontal ribs 105 form a continuous and complete support grid. The insulation layer 100 is supported by steel bars at any position. When pouring concrete, the lateral pressure of the concrete will not cause the insulation layer 100 to be locally suspended and collapsed. The integrity of the insulation layer 100 is protected throughout the process, avoiding the problem of local damage to the insulation layer 100 forming heat transfer channels and reducing the insulation effect. Furthermore, the grid-like single-sided frame composed of the continuous vertical ribs 106 and horizontal ribs 105 possesses independent planar support rigidity. The two sets of single-sided frames are then connected into a whole by multiple connecting ribs 107. The overall support frame can fix the insulation layer 100 without the need for additional auxiliary limiting blocks, reducing unnecessary auxiliary materials inside the precast components, lowering the self-weight of the wall panel, and reducing the small thermal bridges formed between the blocks and the concrete, further optimizing the overall thermal insulation performance of the wall. The entire support frame is pre-embedded in the concrete wall panel 101, eliminating the need for later addition of exposed metal anchors. This avoids the problem of metal rods penetrating the outside of the wall and forming point thermal bridges, further preventing the hidden dangers of local condensation and mold growth on the wall surface.

[0031] As a preferred embodiment of the present invention, such as Figure 3 , Figure 4As shown, diagonal bracing units are constructed at both ends of the frame along its length on one side. These units are welded or tied to corresponding horizontal reinforcing bars 105 and vertical reinforcing bars 106. Each diagonal bracing unit includes two sets of symmetrically arranged first diagonal bracing bars 108. Multiple first diagonal bracing bars 108 in each set are arranged in parallel. The ends of the two sets of first diagonal bracing bars 108 that are close to each other are connected by end bars 109. The end bars 109 are welded or tied to the corresponding horizontal reinforcing bars 105 and vertical reinforcing bars 106. Each first diagonal bracing bar 108 is welded or tied to the corresponding horizontal reinforcing bars 105 and vertical reinforcing bars 106. The horizontal reinforcing bars 105 and the close-to-close vertical reinforcing bars 106 are connected by second diagonal bracing bars 110.

[0032] In this embodiment, diagonal bracing units are separately installed at both ends of the single-sided frame along its length to specifically compensate for the defects of rectangular grid ends lacking diagonal constraints and being prone to deformation. Ordinary grid frames composed only of horizontal and vertical ribs are connected at both ends of their length only by the intersection of the horizontal and vertical ribs, lacking diagonal load-bearing components. When the frame is transported and stacked, the insulation layer is assembled, and the lateral compressive force is generated during concrete pouring and vibration, the two ends of the frame are very prone to outward expansion, inward contraction, or rhomboid torsional deformation. This can lead to the insulation layer offset at both ends of the wall panel, and the concrete protective layer thickness at the corners may be excessive or insufficient, thus compromising the standardized insulation structure dimensions of the wall panel. This invention provides diagonal bracing units at both ends of a single-sided frame. The diagonal bracing units are welded or tied to the corresponding horizontal and vertical reinforcing bars 105 and 106, providing diagonal rigid support for the ends of the single-sided frame. This restricts the lateral and vertical displacement of the ends of the single-sided frame in both directions, firmly locking the external dimensions of the ends of the single-sided frame, preventing deformation, compression, and pulling of the insulation layer 100, ensuring the stability of the insulation layer 100 at both ends of the wall panel, and maintaining the thickness of the corner concrete protective layer within the design range.

[0033] In this embodiment, the diagonal bracing unit adopts two sets of symmetrically arranged parallel first diagonal bracing ribs 108. The ends of the two sets of first diagonal bracing ribs 108 that are close to each other are connected as a whole by end ribs 109. The end ribs 109 and each first diagonal bracing rib 108 are rigidly connected to the horizontal ribs 105 and the vertical ribs 106 respectively, forming a geometrically invariant triangular stable force-bearing module. A single diagonal brace can only resist lateral forces in one direction, and uneven force distribution can easily lead to local stress concentration. However, two sets of symmetrically arranged parallel first diagonal braces 108 can resist compressive forces in both inward and outward directions, and the force is evenly distributed. The multiple parallel first diagonal braces 108 in the same group share the end load, avoiding overload deformation of a single steel bar and significantly improving the load-bearing stiffness of the end of the frame on one side. The end bars 109 connecting the two sets of first diagonal braces 108 integrate the dispersed first diagonal braces 108 into an integrated load-bearing component, so that the first diagonal braces 108 will not be scattered, misaligned, or slipped in the entire diagonal bracing unit, ensuring the integrity of the end support structure and continuously playing a limiting and reinforcing role throughout the prefabrication process.

[0034] In this embodiment, a second diagonal brace 110 is added between the horizontal reinforcement 105 and the adjacent vertical reinforcement 106, dividing the originally geometrically variable rectangular grid into multiple independent triangular stress units, thereby achieving full-area stiffness reinforcement of the single-sided frame. Without the second diagonal brace 110, the rectangular grid lacks diagonal ties in the middle, and the middle area of ​​the grid is prone to twisting and bulging under the lateral pressure of concrete pouring, which can compress the central insulation layer 100, causing the board to dent and break, forming local heat transfer channels, and weakening the wall insulation performance. After adding the second diagonal brace 110, each grid cell has a triangular stable structure, and the middle and ends of the single-sided frame have torsional and lateral pressure resistance capabilities simultaneously. There are no weak areas in stiffness, and the lateral pressure of concrete can be evenly transmitted to the entire grid through the second diagonal brace 110, preventing local concentrated loads from compressing the insulation layer 100, completely protecting the surface shape of the insulation layer 100, and stably maintaining the overall thermal insulation performance of the insulation layer 100.

[0035] As a preferred embodiment of the present invention, such as Figure 1 , Figure 3 As shown, corner plates 103 are fixed at the four corners of the supporting frame. The horizontal portion of the corner plate 103 contacts the end face of the corner of the insulation layer 100, and the vertical portion of the corner plate 103 contacts the side face of the corner of the insulation layer 100. The distance between the outer side of the concrete wall panel 101 and the corresponding side of the insulation layer 100 is 50-70mm, and the thickness of the insulation layer 100 is 35-50mm.

[0036] In this embodiment, the L-shaped corner plate 103 is closely fitted to the corner ends and sides of the insulation layer 100, and the limiting force is evenly distributed at the corners of the insulation layer. This firmly locks the four corners of the insulation layer 100 in the length, height, and thickness directions, ensuring that the insulation layer 100 remains stably centered throughout the entire pouring process. This guarantees that the outer concrete protective layer at the four corners of the wall panel remains stably within the design range of 50-70mm, and the thickness of the insulation layer 100 remains stably within 35-50mm, achieving standardized molding of the entire wall panel. The corner plate 103 forms a rigid physical barrier for the corners of the insulation layer 100, preventing the corners of the insulation board from cracking or chipping due to erosion and impact from concrete aggregate and mortar. The insulation layer 100 is mostly made of lightweight porous insulation board, with extremely poor impact and wear resistance at its edges and corners. During pouring, the flowing concrete and vibrators continuously impact the four corners of the insulation layer 100, making it extremely prone to chipping and damage without protection. Once the edges and corners of the insulation layer 100 are damaged, heat transfer channels will form through the concrete inside and outside the wall panel, creating localized thermal bridges and significantly weakening the wall's insulation performance. The top corner plate 103 completely covers the edges and sides of the insulation layer 100, isolating the concrete aggregate from direct contact with the insulation board, effectively preventing damage and loss of the insulation layer 100's edges and corners, preserving the continuous and sealed insulation structure of the insulation layer 100, eliminating localized thermal bridges at the wall panel edges and corners, and stably ensuring the overall energy-saving effect of the wall.

[0037] In this embodiment, the top corner plate 103 can protect the edges and corners of the insulation layer 100 throughout the entire process of prefabricated component stacking, transportation, and hoisting construction, reducing the breakage rate of prefabricated wall panels. When prefabricated wall panels are stacked and transported in the factory and hoisted and assembled on the construction site, the four corners of the components are easily bumped and scratched. Unprotected insulation edges and corners are prone to breakage and detachment under stress, resulting in component scrapping and rework. The top corner plate 103 is firmly fixed to the four corners of the supporting frame and is pre-embedded integrally with the frame. The rigid corner plate acts as a buffer and protective component, isolating external forces from directly acting on the edges and corners of the insulation layer 100, significantly reducing the problem of insulation layer 100 edge and corner damage during the wall panel transfer process, lowering the scrap rate of prefabricated components, and saving comprehensive production costs such as raw materials and repair labor. At the same time, the top corner plate 103 can serve as an assembly positioning benchmark, simplifying the assembly process between the insulation layer 100 and the supporting frame, and improving the efficiency of factory prefabrication. When assembling the insulation layer 100 into the support frame, the insulation panels can be directly engaged and positioned using the four corner corner plates 103. This eliminates the need for additional spacers or short reinforcing ribs to separately fix the four corners of the insulation layer 100, reducing the amount of auxiliary materials used and shortening the alignment and fixing time of the insulation layer 100. Furthermore, the L-shaped corner plates 103 can calibrate the squareness of the four corners of the insulation layer 100, preventing skewed assembly of the insulation panels and ensuring a uniform and regular shape for the entire insulation layer 100. This is suitable for mass production on standardized assembly lines in factories, ensuring consistent internal structure across different batches of wall panels. In addition, the four corner corner plates 103 and the support frame form a linked positioning system, further enhancing the overall stability of the entire cage-like support frame. The four corner plates 103 constrain the four corners of the insulation layer 100 respectively. Together with the symmetrically arranged single-sided frame on both sides of the insulation layer 100, the connecting bar 107 penetrating the insulation layer 100, the diagonal bracing units at both ends, and the second diagonal bracing bar 110 of the cell, they form an all-round wrapping and limiting structure, eliminating the weak points of constraint at the corners of the insulation layer 100. Under the action of concrete lateral pressure, the insulation layer 100 as a whole has no risk of local displacement or torsion. The overall integrity of the support frame and the insulation layer 100 after assembly is stronger, and local deformation is not easy to occur in the prefabrication process.

[0038] As a preferred embodiment of the present invention, such as Figure 1 As shown, multiple pre-cast holes 102 are pre-drilled vertically at intervals within the concrete wall panel 101. Each pre-cast hole 102 penetrates the concrete wall panel 101 along its length, and one side of the pre-cast hole 102 is connected to the sandwich cavity. During the construction of the support frame, multiple lateral support rods 203 are supported on the sidewalls of the insulation layer 100, and these lateral support rods 203 are spaced apart along the height direction of the insulation layer 100. Each lateral support rod 203 extends beyond both ends of the insulation layer 100 along its length. After the concrete is poured, these lateral support rods 203 are removed, resulting in the aforementioned pre-cast holes 102.

[0039] In this embodiment, a detachable lateral support rod 203 is used as a temporary formwork component. During the assembly stage, it directly abuts against the side wall of the insulation layer 100. After casting, it is completely removed and recycled. There is no need to leave any core components inside the wall, saving the material cost of pre-embedded pipes. At the same time, it avoids the continuous thermal bridging defects caused by permanent pre-embedded pipes from the root. Meanwhile, the lateral support rods 203 are evenly spaced along the height of the insulation layer 100, and each lateral support rod 203 runs through both ends of the insulation layer 100 along its length. When the mortar flowing during the concrete pouring stage generates lateral extrusion pressure, the multiple lateral support rods 203 can evenly lift and limit the insulation layer 100 from the side wall. Together with the symmetrically arranged single-sided frame on both sides, the connecting ribs 107 that run through the insulation layer 100, and the corner plates 103 at the four corners, a comprehensive three-dimensional limiting system is formed, which effectively resists the lateral pressure of the concrete, prevents the side wall of the insulation layer 100 from sinking inward and shifting laterally as a whole, and constrains the insulation layer 100 to be centered throughout the process. It also stably controls the concrete protective layer on both sides of the wall panel to maintain the design thickness, avoids local pressure and deformation of the insulation layer 100 and damage to the panel, and completely preserves the continuous thermal insulation structure of the insulation layer 100.

[0040] In this embodiment, the vertically spaced and dispersed through-holes 102 effectively reduce concrete usage and lower the unit area weight of the wall panels. This reduces the load on transport vehicles and hoisting machinery, lowers equipment investment and energy consumption for prefabrication plant transfer and on-site hoisting, and reduces the dead load on the walls borne by the main building frame. It also allows for appropriate optimization of beam, column, and foundation reinforcement design, saving on steel and concrete materials for the main structure and comprehensively reducing project construction costs. The through-holes 102 can serve as dedicated pre-embedded channels for building water and electricity pipelines, eliminating the need for later trenching that could damage the wall insulation layer 100 and the main concrete structure. During the construction phase, water supply and drainage pipelines, as well as power and communication lines, can be directly installed inside the prefabricated holes 102. The pipelines are entirely within the hole space, without cutting or damaging the continuous insulation layer 100 inside the sandwich cavity. This ensures a seamless wall insulation structure, and the wall's energy-saving performance is unaffected by pipeline installation. It also eliminates multiple wet-work processes such as on-site grooving and repair, reducing labor hours and significantly improving the efficiency of on-site installation of prefabricated wall panels. The lateral support rods 203 are detachable and reusable components; after removal, they can be recycled back to the prefabrication production line for repeated use, reducing the consumption of disposable materials and meeting the green and low-carbon construction requirements of prefabricated buildings. Furthermore, the prefabricated holes 102 are evenly spaced vertically along the wall panel, maintaining a complete and continuous concrete load-bearing section between each hole, preventing any local weakening of the overall structural load-bearing capacity of the wall panel. In this embodiment, the precast holes 102 are evenly distributed vertically, and the load can be evenly transferred through the concrete solid between the holes. Combined with the complete set of reinforced support skeleton inside the wall panel, the diagonal bracing units at both ends, the second diagonal bracing ribs 110 of the cell, and the corner plates 103 at the four corners, the load is shared in a coordinated manner. While achieving multiple additional functions such as weight reduction, dehumidification, and pipeline pre-embedding, the overall bending, shear, and impact resistance of the wall panel will not be significantly reduced, and the functionality of the wall and the long-term safety and stability of the structure are taken into account at the same time.

[0041] As a preferred embodiment of the present invention, such as Figures 6-11 As shown, the upper ends of each mold body 200 are in an open state; a heat insulation layer 100 is provided inside the mold body 200, the lower end of the heat insulation layer 100 extends to the bottom end of the mold body 200, the upper end of the heat insulation layer 100 extends to the upper end of the mold body 200, and the two ends of the heat insulation layer 100 in the length direction extend to the two ends of the mold body 200 in the length direction, respectively. The distance between each side wall of the heat insulation layer 100 and the corresponding inner side wall of the mold body 200 is 50-70mm.

[0042] This embodiment enables the intensive mass production of precast wall panels by arranging multiple mold bodies 200 side by side on the placement platform 300, effectively improving component production capacity. The placement platform 300 can simultaneously support multiple sets of mold bodies 200, forming a continuous standardized production station. This eliminates the inefficient production mode of traditional single-mold scattered placement and individual processing. Workshop workers can simultaneously complete processes such as steel reinforcement layout, insulation layer 100 placement, layered concrete pouring, and vibration compaction for multiple wall panels. The component output is significantly increased with the same workshop floor space, fully meeting the industrial mass production needs of prefabricated insulated wall panels and solving the industry problem that existing modified molds can only achieve single-mold small-batch production and are difficult to scale up for large-scale processing. Meanwhile, the placement platform 300 provides a unified horizontal reference plane for all mold bodies 200. All mold bodies 200 are placed at the upper limit of the placement platform 300. The horizontality and length and width reference of the casting cavity of each mold are uniform, avoiding the height difference and lateral offset problems caused by the independent placement of a single mold. The shape and size of the wall panels produced in batches and the thickness error of each part can be stable and controllable, which greatly reduces the debugging cost of the later on-site assembly and splicing construction of the wall panels.

[0043] In this embodiment, the top of the mold body 200 is completely open, allowing concrete to be poured in layers from above the mold body 200 into the gaps on both sides of the insulation layer 100. This perfectly matches the forming logic of the sandwich wall panel with the concrete on both sides and the embedded insulation layer 100, completely overcoming the inherent limitations of ordinary molds that cannot be poured in layers or produce integrated sandwich wall panels with built-in insulation. Furthermore, the open top structure of the mold body 200 allows vibrating equipment to directly extend into the gaps between the concrete on both sides for vibration operations. Air bubbles trapped inside the concrete can be completely discharged from the top of the mold body 200, reducing appearance defects such as honeycomb, pores, and pitting in the wall panel. During the pouring process, operators can visually observe the filling height of the concrete on both sides and adjust the pouring speed in a timely manner to prevent excessive compression of the insulation layer 100 by pouring concrete on one side, thus avoiding problems such as the insulation layer 100 shifting and the wall panel forming failure. The insulation layer 100 extends from the bottom to the bottom of the mold body 200 and from the top to the top of the mold body 200. The insulation layer 100 extends to both ends of the mold body 200 along its length, providing full coverage in both height and length. This arrangement can solve many defects of existing modified molds, such as the insulation layer 100 being too small, the wall panels having through-type thermal bridges, and the insulation layer 100 being prone to falling off and becoming hollow. The insulation layer 100 extends vertically through the entire height of the wall panel and horizontally through the entire length of the wall panel. There are no direct hot and cold channels between the wall panel and the concrete, eliminating weak areas where insulation is lacking at the top, bottom, and ends of the wall panel. This significantly reduces the heat transfer coefficient of the wall panel, easily meeting the high-standard building energy-saving requirements of cold regions. Its energy-saving effect is significantly superior to traditional partial insulation and external wall insulation post-installation processes. After casting, the insulation layer 100 extends to the boundary of the mold body 200 on all four sides and is completely encased and sealed by the concrete on both sides. This fundamentally avoids common safety problems of external insulation layers 100, such as hollowing, cracking, water seepage, and falling from heights. The insulation layer 100 has the same service life as the concrete wall, reducing the cost of later building maintenance and repair. The wall panel has a continuous and complete insulation structure throughout its entire length and height. There is no need to paste insulation strips on-site to fill insulation gaps at wall panel splicing points and door / window openings, reducing on-site construction procedures for external wall insulation and shortening the overall construction cycle of prefabricated buildings.

[0044] As a preferred embodiment of the present invention, such as Figure 6 As shown, the mold body 200 includes two side templates 201 arranged opposite to each other. End templates 202 are installed at both ends of the two side templates 201 respectively. The lower ends of each side template 201 and end template 202 are in contact with the placement platform 300. The placement platform 300, the two side templates 201 and the two end templates 202 form a casting cavity with the upper end in an open state.

[0045] This embodiment employs a split assembly structure consisting of two opposing side templates 201 and two independent end templates 202, making mold assembly, demolding, and cleaning operations convenient and efficient. Unlike the design of an integral casting mold that cannot be disassembled and requires the entire component to be lifted off the ground during demolding, the side templates 201 and end templates 202 in this embodiment are independent split components. After the wall panel concrete has solidified, the two end templates 202 can be removed sequentially, and then the two side templates 201 can be separated separately. There is no need to hoist a large mold as a whole, which greatly reduces the load on the demolding and hoisting equipment. After the mold is disassembled, the surfaces of the side templates 201 and end templates 202 are completely exposed, and the concrete residue attached to the inside of the templates can be cleaned directly by hand. This avoids the problem of pitting and unevenness on the surface of the wall panel caused by the narrow inner cavity of the integral mold and the difficulty in cleaning residue. At the same time, when the split templates are locally worn or deformed, the corresponding templates can be replaced individually without scrapping the entire mold, reducing the cost of mold production materials and maintenance. Furthermore, the side formwork 201 and end formwork 202 can be replaced with different sizes and models according to the length and width specifications of the sandwich wall panels to be produced. One set of placement platform 300 can be combined with multiple specifications of formwork to produce sandwich wall panels of different sizes, making the mold more universal and adaptable. At the same time, the lower ends of the side formwork 201 and end formwork 202 are completely attached to the placement platform 300, achieving a complete seal at the bottom of the pouring cavity and effectively preventing the problem of grout leakage and runoff at the bottom during the pouring stage.

[0046] As a preferred embodiment of the present invention, such as Figures 6-8 As shown, two sets of lateral support assemblies are provided on both sides of the insulation layer 100. Each set of lateral support assemblies is supported on the corresponding side of the insulation layer 100, and two end templates 202 extend from both ends of the lateral support assemblies. Specifically, the lateral support assembly includes multiple lateral support rods 203 arranged vertically at intervals. The ends of each support rod extend from the pre-set through holes 205 on the end templates 202 along the length of the insulation layer 100, and the lateral support rods 203 support the sidewalls of the insulation layer 100.

[0047] In this embodiment, during the pouring of concrete onto both sides of the insulation layer 100, the concrete on both sides of the insulation layer 100 will exert lateral thrust on the insulation layer 100 towards the opposite side. Supporting only one side can easily cause the insulation layer 100 to shift to the other side, resulting in insufficient or excessive thickness of the concrete surface layer on one side of the wall panel, leading to substandard mechanical properties and energy-saving indicators. In this embodiment, the two sets of lateral supports simultaneously press against the sidewalls of the insulation layer 100, forming a bidirectional balanced support force. This mutually cancels out the lateral compressive load of the concrete, stably locking the insulation layer 100 in the center of the pouring cavity. This ensures that the insulation layer 100 maintains a standard gap of 50-70mm between both sides and the inner wall of the mold body 200. The resulting sandwich wall panels produced in batches have uniform and consistent thickness of the inner and outer concrete surface layers, and the components have high dimensional consistency.

[0048] In this embodiment, the lateral support rods 203 are arranged vertically at intervals to achieve multi-point uniform force support on the sidewall of the insulation layer 100, preventing local pressure-induced indentation and damage to the insulation board. If only a few single-point supports are used, the concentrated load during concrete pouring and vibration will act on local points of the insulation layer 100, making foam insulation boards prone to local collapse and indentation. After molding, the insulation layer 100 inside the wall panel will have defects, disrupting the overall insulation continuity. By vertically layering multiple lateral support rods 203, the support force is distributed to the entire vertical sidewall of the insulation layer 100, significantly reducing the pressure per unit area of ​​the insulation layer 100. This not only firmly supports and limits the insulation layer 100 but also prevents the rigid lateral support rods 203 from damaging the insulation board, preserving the overall continuous thermal insulation structure of the insulation layer 100 and ensuring that the energy-saving performance of the wall panel is not compromised. Meanwhile, the vertically spaced lateral support rods 203 are independent of each other, allowing concrete to flow smoothly between the rods during pouring without obstructing concrete delivery and vibration venting, thus avoiding dead corners and internal voids in the concrete filling. The ends of the lateral support rods 203 extend outward through the guide holes 205 of the end template 202, with the support points exposed outside the mold body 200. This allows for quick installation, adjustment, and disassembly from the outside of the mold body 200, eliminating the need to disassemble the side template 201 to complete the setup and removal of the support fixtures, significantly reducing the assembly and demolding time of the mold body 200.

[0049] As a preferred embodiment of the present invention, such as Figures 6-8 As shown, a limiting beam 204 extending along the length of the insulation layer 100 is provided above the pouring cavity. The lower end of the limiting beam 204 contacts the upper end of the insulation layer 100, and the limiting beam 204 is detachably connected to the end templates 202. Specifically, a U-shaped plate 206 with its port facing upward is constructed at the upper end of each end template 202. The U-shaped plate 206 supports the corresponding part of the limiting beam 204. A locking plate 207 is pivotally connected to one free end of the U-shaped plate 206. The locking plate 207 is connected to the other free end of the U-shaped plate 206 via a connecting bolt 208, and a connecting nut is threaded onto the connecting bolt 208.

[0050] In this embodiment, a limiting beam 204 is installed along the entire length of the pouring cavity, and the lower end of the limiting beam 204 is attached to the top of the insulation layer 100. This forms an overall downward pressure constraint from the top of the insulation layer 100, completely overcoming the forming defects of the insulation layer 100 floating, top displacement, and edge curling during layered concrete pouring. During the concrete pouring process, the buoyancy generated by the grout will continuously lift the insulation board upward. The lateral support rod 203 can only limit the lateral displacement of the insulation layer 100, and cannot counteract the vertical buoyancy. This can easily cause the insulation layer 100 to float upward as a whole, resulting in a deviation in the thickness of the concrete surface layer at the upper and lower ends of the wall panel, and the lack of insulation at the top of the wall panel, forming a through-type thermal bridge. In this embodiment, the limiting beam 204 presses against the top of the insulation layer 100 along its entire length, forming a continuous and uniform downward pressure. This completely counteracts the vertical buoyancy of the concrete, locking the vertical height of the insulation layer 100 at the designed position. This ensures that the upper and lower ends of the insulation layer 100 are firmly pressed against the bottom and top of the mold body 200, respectively. There are no vertical insulation breaks in the wall panel, completely eliminating the problem of thermal bridging at the top of the wall panel and stably guaranteeing the overall energy-saving performance of the wall panel. The continuous limiting beam 204 is fully attached to the top surface of the insulation layer 100, and the supporting pressure is evenly distributed across the entire upper surface of the insulation layer 100. The pressure per unit area is smaller, which can stably limit the downward pressure without damaging the insulation material, completely preserving the overall thermal insulation structure of the insulation layer 100 and ensuring the molding quality of the sandwich wall panel. Meanwhile, the continuous limiting beam 204 can constrain the lateral movement of the top of the insulation layer 100 along the length direction. Combined with the lateral limiting of the side support rod 203, it can achieve all-round positioning of the insulation layer 100 in the up and down and left and right directions. The insulation layer 100 has no deviation or warping throughout the entire casting process, and the insulation layer 100 is stably maintained with a standard gap of 50-70mm between the insulation layer 100 and the inner wall of the mold body 200.

[0051] In this embodiment, the upper end of the end template 202 is provided with an upward-facing U-shaped plate 206, which can quickly support and position the end of the limiting beam 204, simplifying the alignment and installation process of the limiting beam 204, while also restricting the horizontal sliding of the limiting beam 204. The U-shaped plate 206 forms a groove-type support base. When erecting the limiting beam 204, the two ends of the beam can be directly placed into the groove of the U-shaped plate 206 to complete the initial positioning, without the need for continuous manual lifting and calibration, which greatly shortens the formwork laying time. The baffles on both sides of the U-shaped plate 206 can form a lateral limit on the end of the limiting beam 204. When vibration is generated during pouring and compaction, the limiting beam 204 will not slide left or right along the length of the insulation layer 100, and will always remain completely in contact with the top surface of the insulation layer 100, preventing the limiting beam 204 from losing its downward restraining effect after displacement. Furthermore, the U-shaped plate 206, with its single-sided pivot locking plate 207, along with the connecting bolt 208 and connecting nut, forms a detachable locking mechanism. The locking operation is simple, the locking strength is high, and the limiting beam 204 can be flexibly disassembled and assembled.

[0052] As a preferred embodiment of the present invention, such as Figures 9-11As shown, the placement platform 300 includes a horizontally arranged platform body 301. Multiple partition bars 302 are installed side-by-side on the platform body 301, forming a placement area 303 between adjacent partition bars 302. The mold body 200 is placed within the placement area 303. The ends of the partition bars 302 on the same side are connected to a pulling tube 306, which extends along the arrangement direction of the partition bars 302. Two connecting wings 304 are symmetrically constructed at the ends of each partition bar 302. A connecting sleeve 305 is constructed on each connecting wing 304, through which the pulling tube 306 passes.

[0053] In this embodiment, the placement platform 300 uses a horizontally arranged platform body 301 as the overall reference, and multiple parallel partition bars 302 divide the space into independent placement areas 303. This allows for individual limiting and isolation of each mold body 200, ensuring that multiple mold bodies 200 are neatly arranged and do not interfere with each other during mass production. The platform body 301 remains horizontal, providing a uniform and flat support base for all mold bodies 200. This allows for stable control of the levelness of the pouring cavity of each mold body 200, preventing deviations in wall panel forming dimensions due to differences in the height of the support base. Independent placement positions are formed between adjacent partition bars 302. Each mold body 200 is limited by the partition bars 302 on both sides, preventing lateral slippage of the mold body 200 during pouring and vibration operations. This maintains the preset installation position of the mold body 200 stably, ensuring that the 50-70mm standard concrete gap on both sides of the insulation layer 100 does not shift. The partitioned placement area 303 allows for independent disassembly, cleaning, and pouring of a single mold body 200, with no interference between adjacent workstations. Operators can simultaneously perform reinforcement placement, insulation layer installation, and layered pouring processes for multiple mold bodies 200, maximizing the use of workshop space and improving the output efficiency per unit area. Simultaneously, the partition strip 302 prevents concrete slurry leakage during pouring from spreading over a large area on the platform surface, limiting leakage to the corresponding placement area 303. This facilitates area-by-area platform cleaning and reduces the overall workshop cleaning workload.

[0054] In this embodiment, a single, continuous traction tube 306 connects all the partition bars 302. By applying traction force only at one end of the traction tube 306, the platform body 301 can be moved horizontally through all the partition bars 302, facilitating the transfer of all the mold bodies 200 on the platform body 301 to the next process. Furthermore, the connection position between the partition bars 302 and the traction tube 306 can be adjusted, thereby adjusting the spacing between the partition bars 302 to accommodate insulation sandwich wall panel mold bodies 200 of different thicknesses and widths, shortening production line downtime for changeovers. The traction tube 306 extends continuously along the direction of the partition bars 302, evenly transmitting traction force to each partition bar 302. All partition bars 302 are simultaneously stressed, driving the platform body 301 to move. This process ensures balanced force distribution, preventing localized shifting or tilting of the platform body 301 and guaranteeing the stability of its horizontal movement.

[0055] In this embodiment, two sets of connecting wings 304 are symmetrically arranged at the ends of the separator strip 302, and an integrally formed connecting sleeve 305 is formed on the connecting wings 304. The traction tube 306 passes through the connecting sleeve 305 to complete the assembly, which can evenly distribute the traction force and improve the stability and service life of the entire traction structure. The connecting wings 304 are symmetrically arranged on both sides of the ends of the separator strip 302, and the traction tube 306 is clamped and constrained by the connecting sleeves 305 on both sides. When traction force is applied, both sides of the ends of the separator strip 302 are subjected to force simultaneously, and there will be no twisting or warping deformation due to force on one side. The separator strip 302 is always kept in a vertical state, ensuring that the sides of the placement area 303 are straight and regular. As a sleeve-type limiting structure, the connecting sleeve 305 allows the pulling tube 306 to slide smoothly inside without hard jamming during the adjustment process. At the same time, the connecting sleeve 305 isolates the pulling tube 306 from the main body of the connecting wing 304, preventing the pulling tube 306 from directly wearing down the substrate of the separator strip 302 through reciprocating friction, reducing the wear rate of the separator strip 302 and the pulling tube 306, and extending the service life of the tooling.

[0056] As a preferred embodiment of the present invention, such as Figure 12-16 As shown, the pulling mechanism includes a winch 600 installed on the end of the transfer platform 400 away from the placement platform 300. Two steel wire ropes 700 are symmetrically wound on the winch 600. A hook assembly 500 is slidably connected on the transfer platform 400. The hook assembly 500 is hooked on the pulling tube 306 at one end of the placement platform 300. The two ends of each steel wire brush are respectively connected to the two opposite ends of the hook assembly 500. The hook assembly 500 moves along the length of the mold body 200 under the pull of the steel wire ropes 700.

[0057] In this embodiment, the winch 600 is positioned at the rear and simultaneously pulled by two symmetrical steel wire ropes 700, achieving balanced force throughout the traction process. The winch 600 is installed at the end of the transfer platform 400, away from the pouring area, thus not obstructing the passage of the mold or the operation area for formwork assembly and disassembly. When workers are performing demolding operations on the transfer platform 400, there is no obstruction or interference from the winch 600, ensuring smooth demolding operations and significantly improving the convenience of the demolding process. The winch 600 simultaneously winds up the two symmetrically arranged steel wire ropes 700, with one end of each rope unwinding and the other rewinding, thereby causing the hook assembly 500 to pull the placement platform 300. Furthermore, the synchronous and uniform winding and unwinding mode of the two steel wire ropes 700 ensures smooth and gentle traction start and stop movements, preventing instantaneous pulling, impact, and vibration of the initial set concrete inside the mold, effectively avoiding various finished product forming defects such as honeycomb surface defects in the wall panels, structural delamination, and floating or lateral displacement of the insulation layer 100.

[0058] As a preferred embodiment of the present invention, such as Figure 14 As shown, the hook assembly 500 includes a sliding seat 501 slidably mounted on the transfer platform 400. The two ends of each wire rope 700 are respectively connected to the two ends of the sliding seat 501 in the direction of movement. An assembly rod 503 is installed at one end of the sliding seat 501 near the casting area through multiple connecting ears 502. These connecting ears 502 are spaced apart along the length direction of the sliding seat 501. The assembly rod 503 extends along the arrangement direction of the mold body 200. Multiple pull hooks 504 are spaced apart on the assembly rod 503 along its length direction. Each pull hook 504 is hooked to one end of the corresponding placement platform 300.

[0059] In this embodiment, the sliding seat 501 is integrally slidably assembled on the platform 400. The platform 400 provides rigid guiding constraints for the sliding seat 501, limiting it to linear reciprocating motion only along the length of the mold body 200. The sliding trajectory is fixed and without deviation, completely eliminating faults such as overturning of connecting parts, track jamming, and running off-track during traction. It also prevents the sliding parts from jamming and pulling the mold module, and prevents the initial set concrete and insulation layer 100 inside the mold from shifting or being damaged by sudden external forces. The two ends of each wire rope 700 are respectively connected to the front and rear ends of the sliding seat 501 in the direction of movement. When the winch 600 unwinds and rewinds the wire rope 700, it unwinds and rewinds the two ends of the wire rope 700 respectively, thereby pulling the sliding seat 501 to move smoothly. Moreover, all traction loads are uniformly borne by the sliding seat 501, and the pulling force output by the winch 600 is evenly distributed to the entire body of the sliding seat 501. This prevents the problem of stress concentration caused by the pulling force being concentrated at a single hook point, effectively preventing cracking and deformation at the welding position of the connecting parts, and greatly improving the overall structural strength of the entire hook assembly 500. It can adapt to the continuous operation conditions of long-term uninterrupted batch production on the production line.

[0060] The end of the sliding seat 501 facing the pouring area is equipped with an assembly rod 503 that extends along the entire length of the mold body 200. As an integrated main load-bearing beam, the assembly rod 503 can stably adapt to the overall traction force of a single placement platform 300, ensuring that multiple sets of mold bodies 200 on a single placement platform 300 move synchronously and smoothly. The assembly rod 503 extends along the arrangement direction of the mold body 200, exhibiting strong overall rigidity. The traction force output by the winch 600 is completely transmitted to the entire assembly rod 503 via the sliding seat 501. The rod body is subjected to uniform force throughout, eliminating the defects of local stress concentration and bending. Compared with the structure of multiple independent short rods with separate hooks, it has superior torsional and bending resistance, and will not experience rod twisting or hook misalignment failure during traction. The assembly rod 503 is parallel to the arrangement direction of the placement platform 300 and the mold body 200, and its alignment dimensions are precisely matched with the end pull tube 306 of a single placement platform 300. The pull hook 504 on the assembly rod 503 can completely engage the end of the placement platform 300, and the traction force is evenly transmitted to the entire placement platform 300. Multiple sets of mold bodies 200 arranged side by side on the platform move synchronously and uniformly, preventing the mold bodies 200 from shifting back and forth or squeezing and colliding with each other. This effectively protects the internal insulation layer 100 and the steel reinforcement support frame of the mold, avoiding displacement of the insulation layer 100 and damage to the edges and corners.

[0061] As a preferred embodiment of the present invention, such as Figure 12 , Figure 15 , Figure 16 As shown, at least one mold limiting mechanism 800 is installed on the transfer platform 400. When the number of mold limiting mechanisms 800 is not less than two, the mold limiting mechanisms 800 are spaced apart along the pulling direction of the pulling mechanism, and the upper end of each mold body 200 is limited at the mold limiting mechanism 800. Specifically, the mold limiting mechanism 800 includes two vertical beams 801 symmetrically installed on both sides of the transfer platform 400. A transverse beam 803 extending along the arrangement direction of the mold bodies 200 is installed between the two vertical beams 801. An installation rod 806 extending along its length direction is installed at the lower end of the transverse beam 803. The installation rod 806 is higher than the mold body 200. Multiple limiting strips 807 are movably installed at intervals along the length direction on the installation rod 806. The lower end of each limiting strip 807 is lower than the upper end surface of the mold body 200. A gasket 808 is provided between two adjacent limiting strips 807. Furthermore, each vertical beam 801 has a strip-shaped hole 802 at its upper part, the strip-shaped hole 802 extends vertically, and the transverse beam 803 is connected to the vertical beam 801 by a fastening bolt 804 passing through the strip-shaped hole 802, and a fastening nut 805 is threaded onto the fastening bolt 804.

[0062] In this embodiment, a mold limiting mechanism 800 is set on the transfer platform 400 to directly limit the upper end of the mold body 200. When two or more sets of mold limiting mechanisms 800 are configured, they are distributed at intervals along the traction route. The mold body 200 is continuously constrained by the upper limit at the front and middle sections of the transfer platform 400, with no limit gaps throughout the entire process, preventing the mold body 200 from tilting or overturning due to disengagement from the limit during the journey. When multiple sets of mold bodies 200 are transferred simultaneously, the upper ends of all mold bodies 200 are uniformly limited by the limiting strip 807, preventing the mold bodies 200 from squeezing or colliding with each other. The insulation layer 100 inside the mold body 200 will not shift or loosen due to the shaking of the mold, avoiding the thickness deviation of the concrete protective layer on both sides of the wall panel and ensuring the uniformity of the molded dimensions of the sandwich wall panel. The two vertical beams 801 of the mold limiting mechanism 800 are symmetrically arranged on the left and right sides of the transfer platform 400, forming a symmetrical support foundation. The horizontal beam 803 spans the two vertical beams 801 to form an integrated gantry load-bearing body. The entire limiting frame is evenly stressed. The compressive load of the mold body 200 on one side can be distributed to the vertical beams 801 on both sides through the horizontal beam 803, and there will be no problem of uneven load bending or deformation failure of the support on one side. The horizontal beam 803 extends along the arrangement direction of the mold body 200, and can cover all the mold bodies 200 arranged side by side on the placement platform 300 at one time. A single mold limiting mechanism 800 can simultaneously limit the upper end of an entire row of mold bodies 200, without the need for multiple small independent limiting fixtures, simplifying the fixture layout above the platform, reserving sufficient space for demolding operations, and preventing interference with the limiting frame when workers disassemble and assemble the mold end template 202, side template 201, etc. The overall gate frame is 200mm higher than the mold body, allowing operators to dismantle the mold and clean up residue from both sides and above the mold body 200mm without occupying the mold operating space, making the demolding process smooth and efficient.

[0063] In this embodiment, a continuous mounting rod 806 is fitted to the lower end of the transverse beam 803. Multiple limiting strips 807 are movably mounted on the mounting rod 806 at intervals. The lower ends of the limiting strips 807 are lower than the upper surface of the mold. A shim 808 is added between adjacent limiting strips 807, which can achieve independent and precise limiting of a single mold body 200 and is suitable for multi-mold side-by-side layout. The mounting rod 806 is erected above the mold body 200 without interfering with the internal casting structure of the mold body 200. The multiple limiting strips 807 are evenly spaced along the length of the mounting rod 806, and each limiting strip 807 or multiple adjacent limiting strips 807 corresponds to the upper end of a set of mold bodies 200. A shim 808 is installed between adjacent limit bars 807. The shim 808 can precisely control the center distance between adjacent limit bars 807, matching the layout size of molds with different width specifications. At the same time, the shim 808 fills the gap between the limit bars 807, eliminating the wobbling allowance caused by the installation gap of the limit bars 807, so that the limit bars 807 are not loose or move left or right after assembly. The limit bars 807 adopt a movable assembly method, and their position can be adjusted by sliding along the mounting rod 806. When changing the mold body 200 with different layout spacing and different widths on the production line, the limit distance can be adjusted by simply sliding the limit bars 807 and adding or removing the shims 808. There is no need to disassemble and replace the entire set of transverse beams 803 and mounting rods 806. The tooling is highly versatile and shortens the downtime for production changeover and debugging. A vertical strip hole 802 is provided at the top of the vertical beam 801. With the help of fastening bolts 804 and fastening nuts 805, the vertical height of the transverse beam 803 is infinitely adjustable, adapting to mold bodies 200 of different heights. One set of mold limiting mechanism 800 is compatible with the production of wall panels of multiple sizes. The strip hole 802 extends vertically, and the connecting bolts 208 of the transverse beam 803 can slide freely up and down within the strip hole 802. Loosening the fastening nut 805 allows for the overall height adjustment of the transverse beam 803, mounting rod 806, and limiting strip 807. After the height adjustment is completed, tightening the nut locks the positioning. For concrete sandwich wall panel molds of different heights, only the vertical height of the transverse beam 803 needs to be adjusted to ensure that the lower end of the limiting strip 807 is always lower than the upper surface of the mold, continuously achieving upper limit constraint. There is no need to customize a complete set of mold limiting mechanisms 800 for different heights, significantly reducing tooling manufacturing costs.

[0064] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A production line for preparing concrete sandwich wall panels, characterized in that: It includes a casting area, a demolding area and a curing area arranged sequentially along the processing direction of the wall panel. Multiple placement platforms are arranged side by side in the casting area, and multiple mold bodies are arranged side by side on each placement platform. A transfer platform is set in the demolding area, and a traction mechanism is installed on the transfer platform. The traction mechanism pulls one end of the placement platform.

2. The concrete sandwich wall panel manufacturing production line according to claim 1, characterized in that: The upper end of each mold body is in an open state. An insulation layer is provided inside the mold body. The lower end of the insulation layer extends to the bottom end of the mold body, the upper end of the insulation layer extends to the upper end of the mold body, and the two ends of the insulation layer in the length direction extend to the two ends of the mold body in the length direction, respectively. The distance between each side wall of the insulation layer and the corresponding inner side wall of the mold body is 50-70mm.

3. The concrete sandwich wall panel manufacturing production line according to claim 2, characterized in that: Two sets of lateral support components are provided on both sides of the insulation layer. Each lateral support component is supported on the corresponding side of the insulation layer, and the two ends of the lateral support components extend out of the two end walls of the mold body along the length of the insulation layer.

4. The concrete sandwich wall panel manufacturing production line according to claim 2, characterized in that: A limiting beam extending along the length of the insulation layer is provided above each mold body. The lower end of the limiting beam contacts the upper end of the insulation layer, and the limiting beam is detachably connected to both ends of the mold body along its length.

5. The concrete sandwich wall panel manufacturing production line according to claim 1, characterized in that: The placement platform includes a horizontally arranged platform body, on which multiple partition bars are installed side by side, forming a placement area between two adjacent partition bars. The mold body is placed in the placement area, and the ends of the multiple partition bars on the same side are connected to a pulling tube, which extends along the arrangement direction of the partition bars.

6. The concrete sandwich wall panel manufacturing production line according to claim 1, characterized in that: The pulling mechanism includes a winch installed on the end of the transfer platform away from the placement platform. Two steel wire ropes are symmetrically wound on the winch. A hook assembly is slidably connected to the transfer platform. The hook assembly is hooked to one end of the placement platform. The two ends of each steel wire brush are respectively connected to the two opposite ends of the hook assembly. The hook assembly moves along the length of the mold body under the pull of the steel wire ropes.

7. A concrete sandwich wall panel manufacturing production line according to claim 6, characterized in that: The hook assembly includes a sliding seat slidably mounted on the transfer platform. The two ends of each wire rope are respectively connected to the two ends of the sliding seat in the direction of movement. An assembly rod is installed at the end of the sliding seat near the casting area. The assembly rod extends along the arrangement direction of the mold body. Multiple pull hooks are installed at intervals along the length of the assembly rod. Each pull hook is hooked to one end of the corresponding placement platform.

8. The concrete sandwich wall panel manufacturing production line according to claim 1, characterized in that: At least one mold limiting mechanism is installed on the transfer platform; when the number of mold limiting mechanisms is not less than two, the mold limiting mechanisms are spaced apart along the pulling direction of the pulling mechanism, and the upper end of each mold body is limited at the mold limiting mechanism.

9. A concrete sandwich wall panel manufacturing production line according to claim 8, characterized in that: The mold limiting mechanism includes two vertical beams symmetrically installed on both sides of the transfer platform. A transverse beam extending along the arrangement direction of the mold body is installed between the two vertical beams. An installation rod extending along its length is installed at the lower end of the transverse beam. The installation rod is higher than the mold body. Multiple limiting strips are movably installed on the installation rod at intervals along its length. The lower end of each limiting strip is lower than the upper surface of the mold body. A gasket is provided between two adjacent limiting strips.

10. A concrete sandwich wall panel manufacturing production line according to claim 9, characterized in that: A strip-shaped hole is provided at the upper part of each of the vertical beams. The strip-shaped hole extends vertically. The transverse beam is connected to the vertical beam through a fastening bolt passing through the strip-shaped hole. A fastening nut is threaded onto the fastening bolt.

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