High-performance autoclaved aerated concrete floor and manufacturing equipment and manufacturing method thereof

Abstract

The invention relates to the technical field of aerated concrete manufacturing, and particularly discloses a high-performance autoclaved aerated concrete floor slab and manufacturing equipment and a manufacturing method thereof.The high-performance autoclaved aerated concrete floor slab comprises a mounting table, and a first conveying roller set and a second conveying roller set are arranged on the mounting table and are perpendicular to each other; an upper transverse rib box and an upper longitudinal rib box are arranged on the first conveying roller set, a lower longitudinal rib box and a lower transverse rib box are arranged on the second conveying roller set, welding mechanisms are arranged on the first conveying roller set and the second conveying roller set, and a bending mechanism is arranged on the mounting table; the welding mechanism can synchronously weld the upper transverse bars and the upper longitudinal bars to form the upper reinforcing mesh and the lower reinforcing mesh, the machining efficiency of the reinforcing bars is improved, the bending mechanism can bend the reinforcing bars at the ends of the peripheries of the upper reinforcing mesh and the lower reinforcing mesh, the structural integrity strength of the concrete floor slab is improved, and the overall strength of the concrete floor slab is improved. And compared with manual bending, the efficiency of bending the end part of the reinforcing mesh is improved.

Description

Technical Field

[0001] This application relates to the technical field of autoclaved aerated concrete manufacturing, and particularly to high-performance autoclaved aerated concrete floor slabs and their manufacturing equipment and methods. Background Art

[0002] A high-performance autoclaved aerated concrete floor slab is a porous lightweight building board mainly made of siliceous materials, calcareous materials and foaming agents, and is manufactured through a high-temperature and high-pressure steam curing process. It has the characteristics of low density, high compressive strength, excellent thermal insulation performance and convenient construction. This material is widely used in structural parts such as floor slabs, roof slabs and exterior wall panels in prefabricated buildings, which can effectively reduce the building self-weight and improve the energy efficiency performance.

[0003] In the prior art, the steel mesh device for processing high-performance autoclaved aerated concrete floor slabs usually consists of a steel bar straightening mechanism, a welding mechanism, a traction mechanism and a cutting mechanism. The steel bar straightening mechanism continuously extrudes and straightens the coil steel bars through multiple groups of rollers to ensure that the straightness of the steel bars meets the requirements for mesh weaving; the welding mechanism uses the resistance spot welding process to fuse and fix the vertically and horizontally crossed steel bars at the intersection points to form a regular grid structure; the traction mechanism synchronously conveys the welded mesh through a clamping device and controls the feeding speed to match the welding rhythm; the cutting mechanism automatically cuts the continuous mesh according to the preset length. Each mechanism is linked through a mechanical transmission shaft and a control system. The straightened steel bars are welded to form a mesh skeleton, and then conveyed to the cutting station by the traction device to complete the fixed-length segmentation, and finally form a semi-finished steel mesh product that meets the design dimensions.

[0004] For the above related technologies, the ends of the steel mesh cannot be automatically bent and processed. Traditional equipment can only complete the straight weaving and cutting of the mesh, and the steel bars at its ends still remain in a straight state, resulting in limited anchoring effect between the mesh and the concrete substrate. During the force-bearing process of the floor slab, the unbent steel bar ends are prone to slip due to concrete shrinkage or external forces, reducing the structural integrity; at the same time, the contact area between the straight-end steel bars and the concrete is small, weakening the interfacial bond strength and possibly causing local cracking risks. Although manual bending can partially improve the anchoring performance, the operation efficiency is low and the consistency of the bending angle is difficult to guarantee, which cannot meet the dual requirements of product quality and processing efficiency for industrial large-scale production; in addition, in the prior art, single-point welding is used between the vertically and horizontally crossed steel bars of the steel mesh, and the connection effect is relatively general, and there is no fixed welding connection between the upper and lower layer steel meshes in the floor slab, so improvements are made thereto. Summary of the Invention

[0005] In order to solve the above technical problems, this application provides high-performance autoclaved aerated concrete floor slabs and their manufacturing equipment and methods.

[0006] The high-performance autoclaved aerated concrete floor slab manufacturing equipment provided in the first aspect of the present application adopts the following technical solutions: The high-performance autoclaved aerated concrete floor slab manufacturing equipment includes an installation table, on which a first conveyor roller group and a second conveyor roller group are arranged. The first conveyor roller group and the second conveyor roller group are arranged perpendicular to each other. On the first conveyor roller group, there is an upper cross-bar box for outputting upper cross-bars and an upper longitudinal-bar box for outputting upper longitudinal-bars onto the upper cross-bars. On the second conveyor roller group, there is a lower longitudinal-bar box for outputting lower longitudinal-bars and a lower cross-bar box for outputting lower cross-bars onto the lower longitudinal-bars. Welding mechanisms for respectively welding the upper cross-bars and upper longitudinal-bars, and lower cross-bars and lower longitudinal-bars to form an upper steel mesh sheet and a lower steel mesh sheet are arranged on both the first conveyor roller group and the second conveyor roller group. Multiple bending mechanisms are arranged on the installation table. The multiple bending mechanisms are respectively used for bending the steel bars at the peripheral ends of the upper steel mesh sheet and for bending the steel bars at the peripheral ends of the lower steel mesh sheet.

[0007] By adopting the above technical solutions, the upper cross-bars in the upper cross-bar box and the upper longitudinal-bars in the upper longitudinal-bar box are output onto the first conveyor roller group, and the lower cross-bars in the lower cross-bar box and the lower longitudinal-bars in the lower longitudinal-bar box are output onto the second conveyor roller group. The welding mechanisms in the present application can synchronously weld the upper cross-bars and upper longitudinal-bars, and upper cross-bars and upper longitudinal-bars to form an upper steel mesh sheet and a lower steel mesh sheet. Compared with welding the upper steel mesh sheet and the lower steel mesh sheet only once, the processing efficiency of the steel bars is improved. And the multiple bending mechanisms in the present application can respectively bend the steel bars at the peripheral ends of the upper steel mesh sheet and respectively bend the steel bars at the peripheral ends of the lower steel mesh sheet. The bent steel bar ends can reduce the slip caused by concrete shrinkage or external force, thereby improving the structural integrity strength of the concrete floor slab. The bent steel bar ends also increase the contact area with the concrete, enhance the interfacial bond strength, and reduce the risk of possible cracking locally. And compared with manual bending, the efficiency of bending the ends of the steel mesh sheet and the consistency of the bending angle are improved, meeting the dual requirements of industrial large-scale production for product quality and processing efficiency.

[0008] Optionally, the bending mechanism includes a first bending assembly, a second bending assembly, and a moving assembly. The first bending assembly includes a mounting frame, a first driving motor, a lifting disc, a rotating disc, a support rod, and a bending rod. The mounting frame is disposed between the first conveying roller group and the second conveying roller group and is arranged parallel to one end of the upper steel mesh sheet and the lower steel mesh sheet. There are two sets of lifting discs, and the two sets of lifting discs are spaced apart on the mounting frame. The first driving motor is fixedly disposed in one of the two sets of lifting discs. The rotating disc is rotatably disposed in one of the two sets of lifting discs and is connected to the output shaft of the first driving motor. Two ends of the support rod are respectively fixedly connected to the mutually approaching surfaces of the two sets of lifting discs. One end of the bending rod is fixedly connected to the rotating disc, and the other end is movably connected to the lifting disc away from the first driving motor. The support rod is coaxially arranged with the output shaft of the first driving motor. One end of the upper steel mesh sheet is disposed between the support rod and the bending rod. Activity slots for the bending rod to rotate around the support rod to bend one end of the upper steel mesh sheet are formed on both sets of lifting discs. The second bending assembly is the same as the first bending assembly and is symmetrically disposed on the mounting frame. The second bending assembly is used to bend the steel bars on the same side of the lower steel mesh sheet and the upper steel mesh sheet. The moving assembly is disposed on the mounting frame and is used to separate the first bending assembly and the second bending assembly from the upper steel mesh sheet and the lower steel mesh sheet respectively, and to place the end portions of the upper steel mesh sheet and the lower steel mesh sheet between the support rod and the bending rod respectively.

[0009] By adopting the above technical solution, when the first driving motor is started, the first driving motor drives the bending rod fixedly connected to the rotating disc to rotate around the support rod, so as to realize the bending of one end of the upper steel mesh sheet between the support rod and the bending rod. There are multiple sets of the first bending assembly and the second bending assembly, which can realize the synchronous bending of the end portions of the upper steel mesh sheet and the lower steel mesh sheet, improve the bending efficiency of the end portions of the steel mesh sheet, and the consistency of the bending angle. The moving assembly in the present application can adjust the positions of the support rod and the bending rod before bending the end portions of the upper steel mesh sheet and the lower steel mesh sheet, so that the end portions of the upper steel mesh sheet and the lower steel mesh sheet are both located between the support rod and the bending rod, which is convenient for simultaneously processing the end portions of the upper steel mesh sheet and the lower steel mesh sheet. After the bending process of the end portions of the upper steel mesh sheet and the lower steel mesh sheet, the support rod and the bending rod can be separated from the upper steel mesh sheet and the lower steel mesh sheet, which is convenient for subsequent processing of the upper steel mesh sheet and the lower steel mesh sheet with bent end portions.

[0010] Optionally, the moving component includes a first cylinder and a second cylinder. The first cylinder is fixedly arranged on the mounting table, and its telescopic end is connected to the mounting frame for horizontally moving the mounting frame. Two groups of the second cylinders are symmetrically arranged and are respectively connected to the lifting plates in the first bending component and the second bending component, so that the lifting plates in the first bending component and the second bending component approach or move away from each other.

[0011] By adopting the above technical solution, the telescopic movement of the telescopic end of the first cylinder can horizontally move the mounting frame, and the telescopic movement of the telescopic end of the second cylinder can lift and lower the lifting plate, thereby realizing the displacement of the support rod and the bending rod. When it is necessary to place the ends of the upper steel mesh and the lower steel mesh between the support rod and the bending rod, first, the first cylinder is used to move the support rod and the bending rod away from each other, then the heights of the support rod and the bending rod are adjusted adaptively, and then the upper steel mesh and the lower steel mesh are placed between the areas surrounded by multiple mounting frames and are spaced in height. Then, the first cylinder is used to move the support rod and the bending rod closer to each other until the ends of the upper steel mesh and the lower steel mesh are both between the support rod and the bending rod. When it is necessary to separate the bent upper steel mesh and lower steel mesh from the support rod and the bending rod, first, the first cylinder is used to move the support rod and the bending rod closer to each other to separate the support rod, the bending rod from the arc ends of the upper steel mesh and the lower steel mesh, then the second cylinder is used to move the upper and lower support rods and the bending rods closer to each other to get out of the height layer where the upper steel mesh and the lower steel mesh are located, and finally, the first cylinder is used to move the support rod and the bending rod out of the distance between the upper steel mesh and the lower steel mesh.

[0012] Optionally, the welding mechanism includes a first welding component and a second welding component. The first welding component includes a fixed frame, a third cylinder, a lifting plate and a welding gun group. The fixed frame is fixedly arranged above the first conveying roller group. The third cylinder is arranged on the fixed frame, and its telescopic end penetrates the fixed frame and is connected to the lifting plate. The welding gun group is provided with multiple groups corresponding to the number of contact points between the upper horizontal bars and the upper longitudinal bars. The welding gun group includes four welding guns, and the four welding guns simultaneously weld the four positions of the contact points between the upper horizontal bars and the upper longitudinal bars. The second welding component is arranged in the same way as the first welding component and is used to simultaneously weld the four positions of each contact point between the lower horizontal bars and the lower longitudinal bars.

[0013] By adopting the above technical solution, when the third cylinder is started, the third air rod drives the lifting plate to lift and lower, thereby realizing the adjustment of the height of the welding gun group. The welding gun group includes four welding guns, and the four welding guns simultaneously weld the four positions of the contact points between the upper horizontal bars and the upper longitudinal bars respectively. Compared with the traditional single-point spot welding, the connection strength between the steel bars is improved, and the overall tensile and bending resistance performance of the steel mesh is improved.

[0014] Optionally, a first transfer station for placing the welded upper steel mesh is provided on the first transfer roller group, a second transfer station for placing the welded lower steel mesh is provided on the second transfer roller group, a transfer rack is provided on the mounting table, a transfer plate is provided on the transfer rack, a transfer cylinder is fixedly provided on the transfer plate, and an electric gripper for clamping and transferring the upper steel mesh and the lower steel mesh is provided on the telescopic end of the transfer cylinder. A lead screw is rotatably provided on the transfer rack in the length direction and a smooth rod is fixedly provided. One end of the transfer plate is threadedly connected to the lead screw and the other end is slidably connected to the smooth rod. A transfer motor is fixedly provided on the transfer rack, and the output shaft of the transfer motor is fixedly connected to one end of the lead screw. A placing table is provided on the mounting table. The electric gripper places the lower steel mesh on the placing table for four-end bending. At this time, the electric gripper clamps the upper steel mesh directly above the lower steel mesh for four-end bending.

[0015] By adopting the above technical solution, when the rotation motor is started, the rotation motor drives the lead screw to rotate, and under the action of the smooth rod, the transfer plate is horizontally moved, and the transfer cylinder on the transfer plate is horizontally moved. First, the transfer cylinder is moved above the second transfer station, the telescopic end of the transfer cylinder extends to enable the electric gripper to clamp and transfer the lower steel mesh to the placing table, and then the transfer cylinder is moved above the first transfer station. The electric gripper clamps and transfers the upper steel mesh directly above the lower steel mesh, keeping a certain distance from the lower steel mesh, so as to bend the ends of the upper steel mesh and the lower steel mesh.

[0016] Optionally, a plurality of groups of arc end welding torches are provided on the support rod. When the arc ends of the bent upper steel mesh and the bent lower steel mesh are abutted by the electric gripper, the plurality of groups of arc end welding torches simultaneously weld the abutted arc ends of the upper steel mesh and the lower steel mesh.

[0017] By adopting the above technical solution, when the arc ends of the bent upper steel mesh and the bent lower steel mesh are abutted by the electric gripper, the support rod is moved by the first cylinder, and the height of the support rod is adjusted by the second cylinder, so as to realize the simultaneous welding of the arc ends of the upper steel mesh and the lower steel mesh abutted by the arc end welding torches. Welding is carried out between the arc ends, further improving the overall strength of the connection between the steel meshes, thereby improving the anchoring effect between the concrete slab and the internal steel bars, reducing the slip caused by concrete shrinkage or external force, and improving the structural integrity.

[0018] Optionally, an upper longitudinal bar storage groove is formed in the upper longitudinal bar box. The bottom of the upper longitudinal bar storage groove is arranged in a contracted shape, and an upper longitudinal bar discharge port is formed at the bottom of the upper longitudinal bar storage groove. An upper longitudinal bar pushing plate is arranged in the upper longitudinal bar box, and a first discharge cylinder is arranged on the upper longitudinal bar box. The first discharge cylinder pushes the upper longitudinal bar pushing plate to output the upper longitudinal bar from the upper longitudinal bar discharge port. The upper transverse bar box includes a plurality of upper transverse bar storage grooves, which are arranged in the same way as the upper longitudinal bar storage groove, and an upper transverse bar discharge port is formed at the bottom of the upper transverse bar storage groove. A plurality of groups of upper transverse bar pushing plates are arranged in the upper transverse bar box, and a second discharge cylinder is arranged on the upper transverse bar box. The second discharge cylinder pushes the plurality of groups of upper transverse bar pushing plates to output the plurality of groups of upper transverse bars from the upper transverse bar discharge port. The lower transverse bar box is arranged in the same way as the upper longitudinal bar box, and the lower longitudinal bar box is arranged in the same way as the upper transverse bar box.

[0019] By adopting the above technical solution, when the second discharge cylinder is started, the second discharge cylinder drives a plurality of groups of upper transverse bar pushing plates to push out a plurality of groups of upper transverse bars. When the first discharge cylinder is started, the first discharge cylinder can drive the upper longitudinal bar pushing plate to push out one upper longitudinal bar onto the plurality of groups of upper transverse bars each time. The lower transverse bar box is arranged in the same way as the upper longitudinal bar box, and the lower longitudinal bar box is arranged in the same way as the upper transverse bar box, so that it is possible to first push out a plurality of groups of lower longitudinal bars and then push out one lower transverse bar onto the plurality of groups of lower longitudinal bars each time, thereby realizing the rapid and accurate feeding of the upper steel mesh and the lower steel mesh.

[0020] Optionally, the first conveyor roller group includes a conveyor frame, a plurality of first conveyor rollers, a conveyor belt and positioning blocks. The plurality of first conveyor rollers are all rotatably arranged on the conveyor frame. Limiting grooves for limiting the plurality of groups of upper transverse bars are arranged at intervals on the first conveyor rollers. The conveyor belt is sleeved on the first conveyor rollers and is located below the upper longitudinal bar box. A plurality of groups of positioning blocks are arranged at intervals on the conveyor belt. Grooves for limiting the upper longitudinal bars are formed on the positioning blocks. The second conveyor roller group is arranged in the same way as the first conveyor roller group.

[0021] By adopting the above technical solution, the limiting grooves can limit the distance between the plurality of groups of upper transverse bars and the plurality of groups of lower longitudinal bars to ensure the consistency of the distance. The grooves on the positioning blocks can limit the upper longitudinal bars and the lower transverse bars to maintain the consistency of the distance, thereby facilitating the accurate welding of the upper transverse bars and the upper longitudinal bars, and the lower transverse bars and the lower longitudinal bars, and improving the welding quality of the steel mesh.

[0022] The present application also provides a high-performance autoclaved aerated concrete floor slab. The four ends of the upper steel mesh and the lower steel mesh are all bent, and the bent ends of the upper steel mesh and the bent ends of the lower steel mesh are welded and connected.

[0023] By adopting the above technical solution, the end of the bent steel bar can reduce the slip caused by concrete shrinkage or external force, thereby improving the structural integrity strength of the concrete floor slab. The end of the bent steel bar also increases the contact area with the concrete, enhances the interfacial bonding strength, and reduces the risk of local cracking that may be caused. Welded connection can further improve the above performance.

[0024] The present application also provides a production process for a high-performance autoclaved aerated concrete floor slab manufacturing device, including the following steps: S1: Respectively place the already cut and straightened upper longitudinal bars and upper transverse bars into the upper longitudinal bar box and the upper transverse bar box, and respectively place the already cut and straightened lower longitudinal bars and lower transverse bars into the lower longitudinal bar box and the lower transverse bar box; S2: Push multiple groups of upper transverse bars from multiple groups of upper transverse bar storage grooves through the upper transverse bar pusher plate and output them to multiple groups of limiting grooves opened on the first conveying roller respectively, and output the upper longitudinal bars from the upper longitudinal bar storage groove to the grooves opened on the positioning block through the upper longitudinal bar pusher plate. Then, through multiple groups of welding torches in the first welding assembly, simultaneously weld the four directions of the contact points of the upper transverse bars and the upper longitudinal bars to finally form an upper steel bar mesh. At the same time, process the lower transverse bars and the lower longitudinal bars to form a lower steel bar mesh; S3: Convey the processed upper steel bar mesh to the first transfer station through the first conveying roller group, and convey the processed lower steel bar mesh to the second transfer station through the second conveying roller group. Then, use the electric gripper to place the processed lower steel bar mesh on the placement table, and then clamp and place the upper steel bar mesh directly above the lower steel bar mesh; S4: Start the first cylinder and the second cylinder, adjust the support rod and the bending rod to appropriate positions, so that the ends of the upper steel bar mesh and the lower steel bar mesh both enter between the support rod and the bending rod. Then start the first driving motor to rotate the bending rod around the support rod to realize the bending of the ends of the upper steel bar mesh and the lower steel bar mesh. Finally, move the support rod and the bending rod through the first cylinder and the second cylinder to separate them from the upper steel bar mesh and the lower steel bar mesh; S5: Move the upper steel bar mesh to directly above the lower steel bar mesh through the electric gripper and make it abut against the lower steel bar mesh. Subsequently, move multiple groups of arc-end welding torches through the first cylinder to realize the welding of the arc ends where the upper steel bar mesh and the lower steel bar mesh abut; S6: After welding is completed, transfer the upper steel bar mesh and the lower steel bar mesh that have been welded and connected to the subsequent processing steps through the electric gripper.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. The multiple bending mechanisms in this application can synchronously bend the steel bars at the four peripheral ends of the upper steel bar mesh respectively, and synchronously bend the steel bars at the four peripheral ends of the lower steel bar mesh respectively. The bent ends of the steel bars can reduce the slip caused by concrete shrinkage or external forces, thereby improving the structural integrity strength of the concrete floor slab. The bent ends of the steel bars also increase the contact area with the concrete, enhance the interfacial bonding strength, reduce the risk of local cracking, and compared with manual bending, improve the bending efficiency of the ends of the steel bar mesh and the consistency of the bending angles, meeting the dual requirements of industrial mass production for product quality and processing efficiency; 2. The third air cylinder drives the lifting plate to move up and down, thereby adjusting the height of the welding torch group. The welding torch group includes four welding torches, and the four welding torches simultaneously weld the four positions of the contact points of the upper horizontal bars and the upper longitudinal bars respectively. Compared with the traditional single-point spot welding, the connection strength between the steel bars is improved, and the overall tensile and bending resistance performance of the steel bar mesh is improved; 3. When the electric gripper abuts the arc ends of the bent upper steel bar mesh and the bent lower steel bar mesh, the first cylinder is used to move the support rod, and the second cylinder is used to adjust the height of the support rod, thereby realizing the simultaneous welding of the arc ends of the upper steel bar mesh and the lower steel bar mesh by the arc end welding torch. Welding between the arc ends further improves the overall strength of the connection between the steel bar meshes, thereby improving the anchoring effect between the concrete slab and the internal steel bars, reducing the slip caused by concrete shrinkage or external forces, and improving the structural integrity; 4. Start the second discharging air cylinder, and the second discharging air cylinder drives multiple groups of upper horizontal bar push plates to push out multiple groups of upper horizontal bars. Start the first discharging air cylinder, and the first discharging air cylinder can drive the upper longitudinal bar push plate to push out one upper longitudinal bar onto multiple groups of upper horizontal bars each time. The lower horizontal bar box is arranged in the same way as the upper longitudinal bar box, and the lower longitudinal bar box is arranged in the same way as the upper horizontal bar box. It is possible to first push out multiple groups of lower longitudinal bars, and then push out one lower horizontal bar onto multiple groups of lower longitudinal bars each time, thereby realizing the rapid and accurate feeding of the upper steel bar mesh and the lower steel bar mesh. The limiting grooves can limit the spacing between multiple groups of upper horizontal bar boxes and multiple groups of lower longitudinal bars to ensure the consistency of the spacing. The grooves on the positioning blocks can limit the upper longitudinal bars and the lower horizontal bars to maintain the consistency of the spacing, thereby facilitating the accurate welding of the upper horizontal bars and the upper longitudinal bars, and the lower horizontal bars and the lower longitudinal bars, and improving the welding quality of the steel bar mesh. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 It is Figure 1 An enlarged schematic diagram of part A of Figure 3 It is Figure 1 A schematic diagram of the structure of part Figure 4 It is Figure 1 A schematic diagram of the structure of another part; Figure 5 It is Figure 4 A partial schematic diagram of

[0028] Reference numerals: 1, installation table; 11, first conveyor roller group; 111, upper transverse rib box; 112, upper longitudinal rib box; 113, conveyor frame; 114, first conveyor roller; 115, conveyor belt; 116, positioning block; 117, limiting groove; 12, second conveyor roller group; 121, lower transverse rib box; 122, lower longitudinal rib box; 2, first bending assembly; 21, mounting frame; 22, first drive motor; 23, lifting plate; 24, rotating plate; 25, support rod; 251, arc-end welding torch; 26, bending rod; 3, moving assembly; 31, first cylinder; 32, second cylinder; 4, first welding assembly; 41, fixing frame; 42, third cylinder; 43, lifting plate; 44, welding torch group; 5, first transfer station; 6, second transfer station; 7, transfer rack; 71, transfer plate; 72, transfer cylinder; 73, electric gripper; 74, lead screw; 75, smooth rod; 76, placing table; 8, upper longitudinal rib push plate; 81, first discharging cylinder; 9, upper transverse rib push plate; 91, second discharging cylinder. Detailed implementation manners

[0029] The following further elaborates on the present application in conjunction with the attached Figures 1-5 drawings.

[0030] The embodiment of the present application discloses a high-performance autoclaved aerated concrete floor slab manufacturing device. Referring to Figure 1 and Figure 2 , the high-performance autoclaved aerated concrete floor slab manufacturing device includes an installation table 1, on which a first conveyor roller group 11 and a second conveyor roller group 12 are installed. The first conveyor roller group 11 and the second conveyor roller group 12 are arranged perpendicular to each other. On the first conveyor roller group 11, there is an upper transverse rib box 111 for outputting upper transverse ribs and an upper longitudinal rib box 112 for outputting upper longitudinal ribs onto the upper transverse ribs. On the second conveyor roller group 12, there is a lower longitudinal rib box 122 for outputting lower longitudinal ribs and a lower transverse rib box 121 for outputting lower transverse ribs onto the lower longitudinal ribs. Welding mechanisms are provided on both the first conveyor roller group 11 and the second conveyor roller group 12, and multiple groups of bending mechanisms are provided on the installation table 1.

[0031] Output the upper horizontal ribs in the upper horizontal rib box 111 and the upper longitudinal ribs in the upper longitudinal rib box 112 to the first conveyor roller group 11, and output the upper horizontal ribs in the lower horizontal rib box 121 and the lower longitudinal ribs in the upper longitudinal rib box 112 to the second conveyor roller group 12. The welding mechanism in this embodiment can synchronously weld the upper horizontal ribs and upper longitudinal ribs, and the upper horizontal ribs and lower longitudinal ribs to form the upper steel mesh sheet and the lower steel mesh sheet. Compared with welding the upper steel mesh sheet and the lower steel mesh sheet only once, the processing efficiency of the steel bars is improved.

[0032] The multiple bending mechanisms in this embodiment can respectively bend the steel bars at the four peripheral ends of the upper steel mesh sheet and the steel bars at the four peripheral ends of the lower steel mesh sheet. The bent ends of the steel bars can reduce the slip caused by concrete shrinkage or external forces, thereby improving the structural integrity strength of the concrete floor slab. The bent ends of the steel bars also increase the contact area with the concrete, enhance the interface bonding strength, and reduce the risk of local cracking. And compared with manual bending, the bending efficiency of the ends of the steel mesh sheet and the consistency of the bending angles are improved, meeting the dual requirements of industrial mass production for product quality and processing efficiency.

[0033] Refer to Figure 2 and Figure 3 To bend the ends of the steel bar mesh and improve the structural integrity strength of the concrete floor slab, the bending mechanism in this embodiment includes a first bending component 2, a second bending component, and a moving component 3. The first bending component 2 includes a mounting frame 21, a first driving motor 22, a lifting disc 23, a rotating disc 24, a support rod 25, and a bending rod 26. The mounting frame 21 is slidably installed between the first conveyor roller group 11 and the second conveyor roller group 12 and is arranged parallel to one end of the upper steel mesh sheet and the lower steel mesh sheet. There are two sets of lifting discs 23, and the two sets of lifting discs 23 are spaced and installed on the mounting frame 21 in a lifting manner. The first driving motor 22 is fixedly installed in one of the two sets of lifting discs 23. The rotating disc 24 is rotatably installed in one of the two sets of lifting discs 23 and is welded to the output shaft of the first driving motor 22.

[0034] The two ends of the support rod 25 are fixedly welded to the mutually approaching surfaces of the two sets of lifting discs 23. One end of the bending rod 26 is fixedly welded to the rotating disc 24, and the other end is movably connected to the lifting disc 23 away from the first driving motor 22. The support rod 25 is coaxially arranged with the output shaft of the first driving motor 22. One end of the upper steel mesh sheet is arranged between the support rod 25 and the bending rod 26. Activity slots are provided on both sets of lifting discs 23 for the bending rod 26 to rotate around the support rod 25 to bend one end of the upper steel mesh sheet. The second bending component is the same as the first bending component 2 and is symmetrically installed on the mounting frame 21. The moving component 3 is installed on the mounting frame 21.

[0035] Start the first drive motor 22. The first drive motor 22 drives the bending rod 26 fixedly connected to the rotating disk 24 to rotate around the support rod 25, thereby realizing the bending of one end of the upper steel mesh between the support rod 25 and the bending rod 26. There are multiple sets of the first bending assembly 2 and the second bending assembly, which can realize the synchronous bending of the ends of the upper steel mesh and the lower steel mesh, improve the bending efficiency of the ends of the steel mesh, and the consistency of the bending angle.

[0036] Before bending the ends of the upper steel mesh and the lower steel mesh, the moving assembly 3 in this application can adjust the positions of the support rod 25 and the bending rod 26, so that the ends of the upper steel mesh and the lower steel mesh are both located between the support rod 25 and the bending rod 26, which is convenient for simultaneously processing the ends of the upper steel mesh and the lower steel mesh. After bending the ends of the upper steel mesh and the lower steel mesh, the support rod 25 and the bending rod 26 can be separated from the upper steel mesh and the lower steel mesh, which is convenient for subsequent processing of the upper steel mesh and the lower steel mesh with bent ends.

[0037] Refer to Figure 2 and Figure 3 In this embodiment, the moving assembly 3 includes a first cylinder 31 and a second cylinder 32. The first cylinder 31 is fixedly installed on the mounting table 1, and its telescopic end is welded to the mounting frame 21. There are two sets of the second cylinder 32 symmetrically installed, and they are respectively welded to the lifting disks 23 in the first bending assembly 2 and the second bending assembly.

[0038] The telescopic movement of the telescopic end of the first cylinder 31 can realize the horizontal movement of the mounting frame 21, and the telescopic movement of the telescopic end of the second cylinder 32 can realize the up and down movement of the lifting disk 23, so as to realize the displacement of the support rod 25 and the bending rod 26. When it is necessary to place the ends of the upper steel mesh and the lower steel mesh between the support rod 25 and the bending rod 26, first make the support rod 25 and the bending rod 26 move away from each other through the first cylinder 31, then adaptively adjust the height of the support rod 25 and the bending rod 26, and then place the upper steel mesh and the lower steel mesh between the areas surrounded by multiple mounting frames 21, and they are spaced in height. Then, make the support rod 25 and the bending rod 26 move closer to each other through the first cylinder 31 until the ends of the upper steel mesh and the lower steel mesh are both between the support rod 25 and the bending rod 26.

[0039] When it is necessary to separate the bent upper steel mesh and lower steel mesh from the support rod 25 and the bending rod 26, first, the first cylinder 31 is used to make the support rod 25 and the bending rod 26 approach each other, so that the support rod 25 and the bending rod 26 are separated from the arc ends of the upper steel mesh and the lower steel mesh. Then, the second cylinder 32 is used to make the support rods 25 and the bending rods 26 of the upper and lower layers approach each other, so as to get out of the height layer where the upper steel mesh and the lower steel mesh are located. Finally, the first cylinder 31 is used to move the support rod 25 and the bending rod 26 out of the distance between the upper steel mesh and the lower steel mesh.

[0040] Referring Figure 4 and Figure 5 In the prior art, for the traditional single-point spot welding between steel bars, the formed connection strength is poor. Therefore, in order to improve the welding effect between steel bars, the welding mechanism in this embodiment includes a first welding assembly 4 and a second welding assembly. The first welding assembly 4 includes a fixing frame 41, a third cylinder 42, a lifting plate 43 and a welding torch group 44. The fixing frame 41 is fixedly installed above the first conveying roller group 11. The third cylinder 42 is fixedly installed on the fixing frame 41, and the telescopic end of the third cylinder 42 penetrates through the fixing frame 41 and is welded to the lifting plate 43. The welding torch group 44 is installed in multiple groups corresponding to the number of contact points between the upper horizontal bars and the upper longitudinal bars. The welding torch group 44 includes four welding torches. The second welding assembly is arranged in the same way as the first welding assembly 4 and is used to simultaneously weld the four directions of each contact point of the lower horizontal bars and the lower longitudinal bars.

[0041] When the third cylinder 42 is started, the third air rod drives the lifting plate 43 to lift and lower, so as to adjust the height of the welding torch group 44. The welding torch group 44 includes four welding torches, and the four welding torches simultaneously weld the four directions of the contact points between the upper horizontal bars and the upper longitudinal bars respectively. Compared with the traditional single-point spot welding, the connection strength between steel bars is improved, and the overall tensile and bending resistance performance of the steel mesh is improved.

[0042] Referring Figure 1 and Figure 2 In the prior art, it is rather troublesome and inefficient for workers to move the welded upper steel mesh and lower steel mesh. Therefore, in this embodiment, a first transfer station 5 for placing the welded upper steel mesh is installed on the first conveying roller group 11, and a second transfer station 6 for placing the welded lower steel mesh is installed on the second conveying roller group 12. A transfer frame 7 is fixedly installed on the installation table 1. A transfer plate 71 is installed on the transfer frame 7. A transfer cylinder 72 is fixedly installed on the transfer plate 71. An electric gripper 73 is arranged on the telescopic end of the transfer cylinder 72. A lead screw 74 rotatably installed along the length direction of the transfer frame 7 and a smooth rod 75 fixedly installed are provided. One end of the transfer plate 71 is threadedly connected to the lead screw 74, and the other end is slidably connected to the smooth rod 75. A transfer motor is fixedly installed on the transfer frame 7, and the output shaft of the transfer motor is fixedly welded to one end of the lead screw 74. A placing table 76 is fixedly installed on the installation table 1.

[0043] Start the rotating motor, which drives the lead screw 74 to rotate. Under the action of the optical rod 75, the transfer plate 71 is horizontally moved, and the transfer cylinder 72 on the transfer plate 71 is also horizontally moved. First, move the transfer cylinder 72 above the second transfer station 6. The telescopic end of the transfer cylinder 72 extends to make the electric gripper 73 clamp and transfer the lower steel mesh sheet to the placement table 76. Then, move the transfer cylinder 72 above the first transfer station 5. The electric gripper 73 clamps and transfers the upper steel mesh sheet to directly above the lower steel mesh sheet, keeping a certain distance from the lower steel mesh sheet, so as to bend the ends of the upper and lower steel mesh sheets.

[0044] Refer to Figure 2 and Figure 3 In order to further improve the connection strength between the upper and lower steel mesh sheets, in this embodiment, multiple groups of arc end welding torches 251 are fixedly installed on the support rod 25. When the arc ends of the bent upper steel mesh sheet and the bent lower steel mesh sheet are abutted by the electric gripper 73, the support rod 25 is moved by the first cylinder 31, and the height of the support rod 25 is adjusted by the second cylinder 32, so as to realize the simultaneous welding of the arc end welding torch 251 to the abutted arc ends of the upper and lower steel mesh sheets. Welding between the arc ends further improves the overall strength of the connection between the steel mesh sheets, thereby improving the anchoring effect between the concrete slab and the internal steel bars, reducing the slip caused by concrete shrinkage or external forces, and improving the structural integrity.

[0045] Refer to Figure 4 and Figure 5 In order to realize the rapid welding of the upper and lower steel mesh sheets, in this embodiment, an upper longitudinal bar storage groove is formed on the upper longitudinal bar box 112. The bottom of the upper longitudinal bar storage groove is arranged in a contracted shape, and an upper longitudinal bar discharge port is formed at the bottom of the upper longitudinal bar storage groove. An upper longitudinal bar pushing plate 8 is arranged in the upper longitudinal bar box 112, and a first discharge cylinder 81 is arranged on the upper longitudinal bar box 112. The first discharge cylinder 81 pushes the upper longitudinal bar pushing plate 8 to output the upper longitudinal bars from the upper longitudinal bar discharge port. The upper transverse bar box 111 includes multiple upper transverse bar storage grooves, which are arranged in the same way as the upper longitudinal bar storage groove, and an upper transverse bar discharge port is formed at the bottom of the upper transverse bar storage groove. Multiple groups of upper transverse bar pushing plates 9 are arranged in the upper transverse bar box 111, and a second discharge cylinder 91 is arranged on the upper transverse bar box 111. The second discharge cylinder 91 pushes the multiple groups of upper transverse bar pushing plates 9 to output multiple groups of upper transverse bars from the upper transverse bar discharge port. The lower transverse bar box 121 is arranged in the same way as the upper longitudinal bar box 112, and the lower longitudinal bar box 122 is arranged in the same way as the upper transverse bar box 111.

[0046] Start the second discharge cylinder 91. The second discharge cylinder 91 drives multiple groups of upper horizontal rib push plates 9 to push out multiple groups of upper horizontal ribs. Start the first discharge cylinder 81. The first discharge cylinder 81 can drive the upper longitudinal rib push plate 8 to push out one upper longitudinal rib onto multiple groups of upper horizontal ribs each time. The lower horizontal rib box 121 is arranged in the same way as the upper longitudinal rib box 112, and the lower longitudinal rib box 122 is arranged in the same way as the upper horizontal rib box 111. It can realize pushing out multiple groups of lower longitudinal ribs first, and then pushing out one lower horizontal rib onto multiple groups of lower longitudinal ribs each time, so as to realize the rapid and accurate blanking of the upper steel mesh and the lower steel mesh.

[0047] Referring to Figure 5 , in order to improve the welding forming quality of the upper steel mesh and the lower steel mesh, the first conveyor roller group 11 in this embodiment includes a conveyor frame 113, multiple first conveyor rollers 114, a conveyor belt 115 and positioning blocks 116. Multiple first conveyor rollers 114 are all rotatably installed on the conveyor frame 113. Limiting grooves 117 are spacedly opened on the first conveyor rollers 114. The conveyor belt 115 is sleeved on the first conveyor rollers 114 and is located below the upper longitudinal rib box 112. Multiple groups of positioning blocks 116 are spacedly welded and installed on the conveyor belt 115. Grooves are opened on the positioning blocks 116. The second conveyor roller group 12 is arranged in the same way as the first conveyor roller group 11. The limiting grooves 117 can limit the spacing between multiple groups of upper horizontal rib boxes 111 and multiple groups of lower longitudinal ribs to ensure the consistency of the spacing. The grooves on the positioning blocks 116 can limit the upper longitudinal ribs and the lower horizontal ribs to maintain the consistency of the spacing, so as to facilitate the precise welding of the upper horizontal ribs and the upper longitudinal ribs, and the lower horizontal ribs and the lower longitudinal ribs, and improve the welding quality of the steel mesh.

[0048] The implementation principle of the high-performance autoclaved aerated concrete floor manufacturing equipment in the first embodiment of this application is as follows: When it is necessary to quickly weld the upper steel mesh and the lower steel mesh synchronously, the already cut and straightened upper longitudinal ribs and upper horizontal ribs are respectively placed into the upper longitudinal rib box 112 and the upper horizontal rib box 111, and the already cut and straightened lower longitudinal ribs and lower horizontal ribs are respectively placed into the lower longitudinal rib box 122 and the lower horizontal rib box 121. The upper horizontal rib push plate 9 is used to output multiple groups of upper horizontal ribs from the multiple groups of upper horizontal rib storage grooves and output them into multiple groups of limiting grooves 117 opened on the first conveyor rollers 114 respectively, and the upper longitudinal rib push plate 8 is used to output the upper longitudinal ribs from the upper longitudinal rib storage groove to the grooves opened on the positioning blocks 116. Then, multiple groups of welding torches 44 in the first welding assembly 4 are used to simultaneously weld the four directions of the contact points between the upper horizontal ribs and the upper longitudinal ribs respectively, and finally form the upper steel mesh. At the same time, the lower horizontal ribs and the lower longitudinal ribs are processed to form the lower steel mesh.

[0049] When it is necessary to bend the ends of the upper steel mesh and the lower steel mesh, the processed upper steel mesh is conveyed to the first transfer station 5 through the first conveyor roller group 11, and the processed lower steel mesh is conveyed to the second transfer station 6 through the second conveyor roller group 12. Then, the processed lower steel mesh is placed on the placement table 76 by the electric gripper 73, and then the upper steel mesh is clamped and placed directly above the lower steel mesh. The first cylinder 31 and the second cylinder 32 are started to adjust the support rod 25 and the bending rod 26 to appropriate positions, so that the ends of the upper steel mesh and the lower steel mesh both enter between the support rod 25 and the bending rod 26. Then, the first driving motor 22 is started to rotate the bending rod 26 around the support rod 25, so as to realize bending the ends of the upper steel mesh and the lower steel mesh. Finally, the support rod 25 and the bending rod 26 are moved by the first cylinder 31 and the second cylinder 32 to separate them from the upper steel mesh and the lower steel mesh.

[0050] When it is necessary to weld and connect the bent ends of the upper steel mesh and the lower steel mesh, the upper steel mesh is moved to directly above the lower steel mesh by the electric gripper 73 and abuts against the lower steel mesh. Subsequently, the first cylinder 31 is used to move multiple groups of arc-end welding torches 251, so as to realize welding the arc ends where the upper steel mesh and the lower steel mesh abut.

[0051] This embodiment also provides a high-performance autoclaved aerated concrete floor slab. The four ends of the upper steel mesh and the lower steel mesh in the floor slab are all bent, and the bent ends of the upper steel mesh and the lower steel mesh are welded and connected. The bent steel ends can reduce the slip caused by concrete shrinkage or external forces, thereby improving the structural integrity strength of the concrete floor slab. The bent steel ends also increase the contact area with the concrete, enhance the interfacial bonding strength, and reduce the risk of local cracking. The welded connection can further improve the above performances.

[0052] This embodiment also provides a manufacturing method of a high-performance autoclaved aerated concrete floor slab, including the following steps: S1: Put the already cut and straightened upper longitudinal bars and upper transverse bars into the upper longitudinal bar box 112 and the upper transverse bar box 111 respectively, and put the already cut and straightened lower longitudinal bars and lower transverse bars into the lower longitudinal bar box 122 and the lower transverse bar box 121 respectively; S2: Push multiple groups of upper transverse bars from multiple groups of upper transverse bar storage grooves through the upper transverse bar pusher 9 and output them into multiple groups of limiting grooves 117 opened on the first conveyor roller 114 respectively, and push the upper longitudinal bars from the upper longitudinal bar storage groove through the upper longitudinal bar pusher 8 and output them into the grooves opened on the positioning block 116. Then, use multiple groups of welding torch groups 44 in the first welding assembly 4 to simultaneously weld the four directions of the contact points between the upper transverse bars and the upper longitudinal bars, and finally form the upper steel mesh. At the same time, process the lower transverse bars and the lower longitudinal bars to form the lower steel mesh; S3: Convey the processed upper steel mesh sheet to the first transfer station 5 through the first conveyor roller group 11, and convey the processed lower steel mesh sheet to the second transfer station 6 through the second conveyor roller group 12. Then, use the electric gripper 73 to place the processed lower steel mesh sheet on the placement table 76, and then clamp and place the upper steel mesh sheet directly above the lower steel mesh sheet. S4: Start the first cylinder 31 and the second cylinder 32, adjust the support rod 25 and the bending rod 26 to appropriate positions, so that the ends of the upper and lower steel mesh sheets both enter between the support rod 25 and the bending rod 26. Then start the first driving motor 22 to rotate the bending rod 26 around the support rod 25 to bend the ends of the upper and lower steel mesh sheets. Finally, move the support rod 25 and the bending rod 26 through the first cylinder 31 and the second cylinder 32 to separate them from the upper and lower steel mesh sheets. S5: Use the electric gripper 73 to move the upper steel mesh sheet directly above the lower steel mesh sheet and make it abut against the lower steel mesh sheet. Subsequently, move the multiple groups of arc end welding torches 251 through the first cylinder 31 to weld the arc ends where the upper and lower steel mesh sheets abut. S6: After welding is completed, use the electric gripper 73 to transfer the upper and lower steel mesh sheets that have been welded and connected to the subsequent processing steps.

[0053] Unless otherwise defined, the technical terms or scientific terms used in this application should have the ordinary meanings understood by those with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "a" or "an" do not indicate a quantity limitation, but indicate that there is at least one. Words such as "comprising" or "including" mean that the elements or objects appearing before "comprising" or "including" cover the elements or objects listed after "comprising" or "including" and their equivalents, and do not exclude other elements or objects. "Upper", "lower", "left", "right", etc. are only used to represent relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0054] The above are all optional embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application should be covered within the protection scope of this application.

Claims

1. High-performance autoclaved aerated concrete floor manufacturing equipment, including an installation table (1), characterized in that: A first conveyor roller group (11) and a second conveyor roller group (12) are provided on the installation table (1). The first conveyor roller group (11) and the second conveyor roller group (12) are arranged perpendicular to each other. An upper cross-bar box (111) for outputting upper cross-bars and an upper longitudinal-bar box (112) for outputting upper longitudinal-bars onto the upper cross-bars are provided on the first conveyor roller group (11). A lower longitudinal-bar box (122) for outputting lower longitudinal-bars and a lower cross-bar box (121) for outputting lower cross-bars onto the lower longitudinal-bars are provided on the second conveyor roller group (12). Welding mechanisms for respectively welding the upper cross-bars and upper longitudinal-bars, and the lower cross-bars and lower longitudinal-bars to form an upper steel mesh sheet and a lower steel mesh sheet are provided on both the first conveyor roller group (11) and the second conveyor roller group (12). Multiple bending mechanisms are provided on the installation table (1). The multiple bending mechanisms are respectively used for bending the steel bars at the peripheral ends of the upper steel mesh sheet, and respectively used for bending the steel bars at the peripheral ends of the lower steel mesh sheet.

2. The high-performance autoclaved aerated concrete floor slab manufacturing equipment according to claim 1, wherein: The bending mechanism includes a first bending assembly (2), a second bending assembly, and a moving assembly (3). The first bending assembly (2) includes a mounting frame (21), a first driving motor (22), a lifting disc (23), a rotating disc (24), a support rod (25), and a bending rod (26). The mounting frame (21) is arranged between the first conveyor roller group (11) and the second conveyor roller group (12), and is parallel to one end of the upper steel mesh sheet and the lower steel mesh sheet. There are two sets of the lifting discs (23), and the two sets of the lifting discs (23) are arranged at intervals on the mounting frame (21). The first driving motor (22) is fixedly arranged in one of the two sets of the lifting discs (23). The rotating disc (24) is rotatably arranged in one of the two sets of the lifting discs (23) and is connected to the output shaft of the first driving motor (22). The two ends of the support rod (25) are fixedly connected to the mutually approaching surfaces of the two sets of the lifting discs (23). One end of the bending rod (26) is fixedly connected to the rotating disc (24), and the other end is movably connected to the lifting disc (23) away from the first driving motor (22). The support rod (25) is coaxially arranged with the output shaft of the first driving motor (22). One end of the upper steel mesh sheet is arranged between the support rod (25) and the bending rod (26). Activity slots are provided on the two sets of the lifting discs (23) for the bending rod (26) to rotate around the support rod (25) as the rotation center to bend one end of the upper steel mesh sheet. The second bending assembly is the same as the first bending assembly (2) and is symmetrically arranged on the mounting frame (21). The second bending assembly is used to bend the steel bars on the same side of the lower steel mesh sheet and the upper steel mesh sheet. The moving assembly (3) is arranged on the mounting frame (21) and is used to separate the first bending assembly (2) and the second bending assembly from the upper steel mesh sheet and the lower steel mesh sheet respectively, and to place the end parts of the upper steel mesh sheet and the lower steel mesh sheet between the support rod (25) and the bending rod (26).

3. The high-performance autoclaved aerated concrete floor slab manufacturing equipment according to claim 2, characterized in that: The moving assembly (3) includes a first air cylinder (31) and a second air cylinder (32). The first air cylinder (31) is fixedly arranged on the mounting table (1), and its telescopic end is connected to the mounting frame (21) and is used to horizontally move the mounting frame (21). There are two sets of the second air cylinders (32) arranged symmetrically, and they are respectively connected to the lifting discs (23) in the first bending assembly (2) and the second bending assembly to make the lifting discs (23) in the first bending assembly (2) and the second bending assembly approach or move away from each other.

4. The high-performance autoclaved aerated concrete floor slab manufacturing equipment according to claim 1, characterized in that: The welding mechanism includes a first welding assembly (4) and a second welding assembly. The first welding assembly (4) includes a fixed frame (41), a third cylinder (42), a lifting plate (43) and a welding torch group (44). The fixed frame (41) is fixedly arranged above the first conveyor roller group (11). The third cylinder (42) is arranged on the fixed frame (41), and the telescopic end of the third cylinder (42) penetrates through the fixed frame (41) and is connected to the lifting plate (43). The welding torch group (44) is provided with multiple groups corresponding to the number of contact points of the upper cross ribs and the upper longitudinal ribs. The welding torch group (44) includes four welding torches, and the four welding torches simultaneously weld the four positions of the contact points of the upper cross ribs and the upper longitudinal ribs respectively. The second welding assembly is arranged in the same way as the first welding assembly (4) and is used to simultaneously weld the four positions of each contact point of the lower cross ribs and the lower longitudinal ribs.

5. The high-performance autoclaved aerated concrete floor slab manufacturing equipment according to claim 2, characterized in that: A first transfer station (5) for placing the welded upper steel mesh sheet is arranged on the first conveyor roller group (11). A second transfer station (6) for placing the welded lower steel mesh sheet is arranged on the second conveyor roller group (12). A transfer frame (7) is arranged on the mounting table (1). A transfer plate (71) is arranged on the transfer frame (7). An electric cylinder (72) is fixedly arranged on the transfer plate (71). An electric gripper (73) for clamping and transferring the upper steel mesh sheet and the lower steel mesh sheet is arranged on the telescopic end of the electric cylinder (72). A lead screw (74) is rotatably arranged along the length direction of the transfer frame (7), and a smooth rod (75) is fixedly arranged. One end of the transfer plate (71) is in threaded connection with the lead screw (74), and the other end is slidably connected with the smooth rod (75). A transfer motor is fixedly arranged on the transfer frame (7), and the output shaft of the transfer motor is fixedly connected with one end of the lead screw (74). A placing table (76) is arranged on the mounting table (1). The electric gripper (73) places the lower steel mesh sheet on the placing table (76) for four-end bending. At this time, the electric gripper (73) clamps the upper steel mesh sheet directly above the lower steel mesh sheet for four-end bending.

6. The high-performance autoclaved aerated concrete floor slab manufacturing equipment according to claim 5, characterized in that: Multiple groups of arc-end welding torches (251) are arranged on the support rod (25). When the arc ends of the bent upper steel mesh sheet and the bent lower steel mesh sheet are abutted by the electric gripper (73), the multiple groups of arc-end welding torches (251) simultaneously weld the abutted arc ends of the upper steel mesh sheet and the lower steel mesh sheet respectively.

7. The high-performance autoclaved aerated concrete floor slab manufacturing equipment according to claim 1, characterized in that: The upper longitudinal bar box (112) is provided with an upper longitudinal bar storage groove, the bottom of the upper longitudinal bar storage groove is arranged in a contracted shape, and an upper longitudinal bar discharge port is opened at the bottom of the upper longitudinal bar storage groove. An upper longitudinal bar push plate (8) is arranged in the upper longitudinal bar box (112), and a first discharge cylinder (81) is arranged on the upper longitudinal bar box (112). The first discharge cylinder (81) pushes the upper longitudinal bar push plate (8) to output the upper longitudinal bars from the upper longitudinal bar discharge port. The upper transverse bar box (111) includes a plurality of upper transverse bar storage grooves, which are arranged in the same way as the upper longitudinal bar storage groove, and an upper transverse bar discharge port is opened at the bottom of the upper transverse bar storage groove. A plurality of groups of upper transverse bar push plates (9) are arranged in the upper transverse bar box (111), and a second discharge cylinder (91) is arranged on the upper transverse bar box (111). The second discharge cylinder (91) pushes the plurality of groups of upper transverse bar push plates (9) to output the plurality of groups of upper transverse bars from the upper transverse bar discharge port. The lower transverse bar box (121) is arranged in the same way as the upper longitudinal bar box (112), and the lower longitudinal bar box (122) is arranged in the same way as the upper transverse bar box (111).

8. The high-performance autoclaved aerated concrete floor slab manufacturing equipment according to claim 1, characterized in that: The first conveyor roller group (11) includes a conveyor frame (113), a plurality of first conveyor rollers (114), a conveyor belt (115) and positioning blocks (116). The plurality of first conveyor rollers (114) are all rotatably arranged on the conveyor frame (113). Limiting grooves (117) for limiting the plurality of groups of upper transverse bars are arranged at intervals on the first conveyor rollers (114). The conveyor belt (115) is sleeved on the first conveyor rollers (114) and is located below the upper longitudinal bar box (112). A plurality of groups of positioning blocks (116) are arranged at intervals on the conveyor belt (115). Grooves for limiting the upper longitudinal bars are opened on the positioning blocks (116). The second conveyor roller group (12) is arranged in the same way as the first conveyor roller group (11).

9. A high-performance autoclaved aerated concrete floor slab, based on the high-performance autoclaved aerated concrete floor slab manufacturing equipment described in any one of claims 1-8, characterized in that: The four ends of the upper steel mesh sheet and the lower steel mesh sheet are all bent.

10. Method for manufacturing a high-performance autoclaved aerated concrete floor slab manufacturing device, based on the high-performance autoclaved aerated concrete floor slab and its manufacturing device according to any one of claims 1-9, characterized in that: It includes the following steps: S1: Put the cut and straightened upper longitudinal bars and upper transverse bars into the upper longitudinal bar box (112) and the upper transverse bar box (111) respectively, and put the cut and straightened lower longitudinal bars and lower transverse bars into the lower longitudinal bar box (122) and the lower transverse bar box (121) respectively; S2: Output the plurality of groups of upper transverse bars from the plurality of upper transverse bar storage grooves through the upper transverse bar push plates (9) and output them into the plurality of groups of limiting grooves (117) opened on the first conveyor rollers (114) respectively. Output the upper longitudinal bars from the upper longitudinal bar storage groove to the grooves opened on the positioning blocks (116) through the upper longitudinal bar push plate (8). Then, through the plurality of groups of welding torches (44) in the first welding assembly (4), simultaneously weld the four directions of the contact points of the upper transverse bars and the upper longitudinal bars to finally form the upper steel mesh sheet. At the same time, process the lower transverse bars and the lower longitudinal bars to form the lower steel mesh sheet; S3: Convey the processed upper steel mesh sheet to the first transfer station (5) through the first conveyor roller group (11), and convey the processed lower steel mesh sheet to the second transfer station (6) through the second conveyor roller group (12). Then, use the electric gripper (73) to place the processed lower steel mesh sheet on the placement table (76), and then clamp and place the upper steel mesh sheet directly above the lower steel mesh sheet. S4: Start the first cylinder (31) and the second cylinder (32), adjust the support rod (25) and the bending rod (26) to appropriate positions, so that the ends of the upper and lower steel mesh sheets both enter between the support rod (25) and the bending rod (26). Then, start the first drive motor (22) to rotate the bending rod (26) around the support rod (25) to bend the ends of the upper and lower steel mesh sheets. Finally, move the support rod (25) and the bending rod (26) through the first cylinder (31) and the second cylinder (32) to separate them from the upper and lower steel mesh sheets. S5: Move the upper steel mesh sheet to directly above the lower steel mesh sheet through the electric gripper (73) and make it abut against the lower steel mesh sheet. Subsequently, move multiple groups of arc end welding torches (251) through the first cylinder (31) to weld the arc ends where the upper and lower steel mesh sheets abut. S6: After welding is completed, use the electric gripper (73) to transfer the welded upper and lower steel mesh sheets to the subsequent processing steps.

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