Prefabricated box girder production line, forming method and digital production management system

Abstract

The invention provides a prefabricated box girder production line, a forming method and a digital production management system, and the management system comprises a research and development system, a production planning system, a steel bar block production line system, and a cloud platform. The forming equipment comprises a longitudinal bar processing assembly, and a lengthening conveying assembly, a material distribution platform, a stirrup processing mechanism, a bottom layer welding assembly, a stirrup bending assembly, an upper layer welding assembly, a longitudinal bar traction assembly and a forming platform are sequentially connected behind the longitudinal bar processing assembly. Only a simple jig frame needs to be arranged to hoist and assemble the four block bodies, the overall manufacturing efficiency of the component is high, the safety risk that operators work together in a traditional process is avoided, the problems that the labor intensity is large, the efficiency is low, the quality is poor, and the personnel investment is large in the construction method that the reinforcing steel bars are manually bound in a scattered mode are solved, assembly design is achieved, and the construction period is shortened. Regional feeding, industrial production, rapid installation and intelligent control are achieved.

Description

Technical Field

[0001] The invention relates to the field of automated production of energy box girders, and in particular to a prefabricated box girder production line, a forming method and a digital production management system. Background Art

[0002] Transportation plays an increasingly important role in the country's economic development, and bridges are an indispensable and important part of transportation facilities. In order to improve the efficiency of bridge erection and reduce the number of workers working at heights, prefabricated box girders are widely used. Traditional steel bar processing is a labor-intensive industry. With the development of society and the advancement of technology, traditional industries can no longer meet the needs of modern construction. New processes, new technologies, and new methods are needed to improve the efficiency, quality, and safety of steel bar processing, which brings new challenges to the construction of box girder steel bar structures.

[0003] Prefabricated box girders are generally assembled with multiple spans and multiple beams. They are widely used in the field of bridge erection, and the number of them used is large. In traditional construction methods, the most common construction method at the box girder reinforcement construction site is to set up a simple artificial tire frame, place the semi-finished steel bars in the tire frame in turn, and perform positioning, tying or welding. The construction intensity is high, the construction efficiency is low, and the labor input is large. It is a labor-intensive operation, which invisibly increases the safety risk of the construction site; at the same time, due to the uneven technical level of workers, the quality of box girder reinforcement construction is also difficult to guarantee. In view of the problems of manual loose binding, large steel bar operation volume, large labor demand, poor working conditions, low manual positioning accuracy, and low construction efficiency in the traditional construction of bridge box girder reinforcement skeletons, industrial robots are currently used to partially replace manual labor to achieve local mechanization and intelligence. However, its investment cost is large, and it only has the effect of reducing manpower locally, and the level of industrial construction intelligence is far from enough. At the same time, it is difficult to guarantee the final assembly quality. The equipment structure is complex, the versatility is poor, the floor space is large, and the cost investment is large. Therefore, this method cannot bring about a great change in the overall industrial intelligent construction of prefabricated box girder reinforcement components. It is difficult to promote and apply it on a large scale.

[0004] At present, society's requirements for the construction efficiency, quality, safety and other aspects of large bridges are constantly increasing. How to achieve "assembly design, regional material supply, industrialized production, rapid installation, and intelligent control" requires a digital production management system and forming method for prefabricated box girders. Summary of the invention

[0005] The main purpose of the present invention is to provide a prefabricated box girder production line, a forming method and a digital production management system, which solves the problems in the above-mentioned background technology that all existing construction methods are manually tied steel bars, have high labor intensity, low efficiency, poor quality, and high manpower input, and realizes assembly design, regional feeding, industrialized production, rapid installation, and intelligent control.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a digital production management system for prefabricated box beams, including a research and development system, a production planning system, a steel bar block production line system, and a cloud platform; The steel block production line system includes a management platform, a server database, and a steel block production line. The management platform is used to receive the material list file output from the production planning system and convert the instructions to the steel block production line; The server database is used to store production data during the production process; The steel bar block production line is used to produce steel bar blocks and output the production quantity and upload it to the server database.

[0007] In the preferred solution, the R&D system includes an R&D terminal, an R&D database, an encryption module, a gallery module, and a coding module. The R&D terminal is used for R&D personnel to upload engineering drawings and engineering construction parameters, the R&D database is used to store engineering drawings and engineering construction parameters, the encryption module is used to encrypt engineering drawings, the gallery module is used to store encrypted drawings, and the coding module is used to recode engineering drawings when production calls them. The production planning system includes a planning terminal, a pre-scheduling module, and a production terminal. The planning terminal is used to arrange the corresponding production plan and issue the design cycle to the R&D terminal. The pre-scheduling module receives and sorts the instructions from the planning terminal. The production terminal is used by operators to retrieve production engineering drawings and receive the plan arrangements from the scheduling module. The cloud platform is used to organize the production data uploaded from the server database and feed it back to the pre-production scheduling module to update the production plan in real time.

[0008] In the preferred embodiment, the steel bar block production line includes a breaking mechanism, a shearing and welding machine, a material distribution platform, a stirrup processing mechanism, a shearing machine, a bottom layer welding assembly, a bending machine, an upper layer welding assembly, a forming platform, and a QR code printing module; The breaking mechanism is used to break up the bar-shaped steel bar raw materials, the shearing and welding machine is used to cut the bar-shaped steel bar and re-lengthen it to the fixed-length longitudinal reinforcement of the designed length, the material distribution platform is used to divide the received longitudinal reinforcement into two layers, the stirrup processing mechanism is used to process the coiled steel bar into straight steel bars, the shearing machine is used to shear the straight steel bars to the fixed-length stirrups of the designed length, the bottom welding assembly is used to weld the intersection of the fixed-length longitudinal reinforcement and the fixed-length stirrups, the bending machine is used to bend the fixed-length stirrups that have been welded to the fixed-length longitudinal reinforcement, and the upper welding assembly is used to weld the bent fixed-length stirrups to the fixed-length longitudinal reinforcement above; The semi-finished products produced by the fabric platform and the shearing machine are transported to the bottom welding assembly for processing. The forming platform finally produces steel bar blocks. The QR code printing module prints the QR code on the steel bar block and uploads the QR code information to the server database.

[0009] In the preferred embodiment, a length detection module is provided in the shearing and welding machine to collect information on the length of the longitudinal reinforcement, a quantity detection module is provided in the material distribution platform to collect information on the quantity of the longitudinal reinforcement, and a weighing calculation module is provided at the placement racks for the rod-shaped steel bar raw materials and the coiled steel bar raw materials to collect information on the weight of the steel bar raw materials; The frames of the bottom welding assembly and the upper welding assembly are provided with a welding point identification module to identify the intersection position of the longitudinal reinforcement and the stirrup, the shearing machine is provided with a length measurement module to collect the stirrup length information, and the bending machine is provided with a bending parameter module to collect the bending parameters of the stirrup; The storage and retrieval of steel blocks require scanning codes to enter and exit the warehouse. The scanned code information is eventually collected by the information collection module and uploaded to the server database.

[0010] A prefabricated box girder production line comprises a longitudinal reinforcement processing assembly, a lengthening conveying assembly, a material distribution platform, a stirrup processing mechanism, a bottom layer welding assembly, a stirrup bending assembly, an upper layer welding assembly, a longitudinal reinforcement traction assembly, and a forming platform connected in sequence to the longitudinal reinforcement processing assembly; The longitudinal reinforcement processing assembly is used to straighten and cut the wire rod reinforcement to a fixed length, the extension and conveying assembly is used to straighten and weld the rod-shaped reinforcement to extend it, the laying platform is used to divide the longitudinal reinforcement into two layers, the upper longitudinal reinforcement and the lower longitudinal reinforcement, the stirrup processing mechanism is used to straighten and cut the stirrups to a fixed length, the bottom welding assembly and the upper welding assembly are used to weld the longitudinal reinforcement and stirrups, the stirrup bending assembly is used to bend the fixed-length stirrups, the longitudinal reinforcement traction assembly is used to pull the upper and lower longitudinal reinforcements, and the forming platform is used to place the final product.

[0011] In the preferred embodiment, the longitudinal reinforcement processing assembly includes a reinforcement placement frame and a longitudinal reinforcement processing mechanism, a conical constraint frame is provided between the reinforcement placement frame and the longitudinal reinforcement processing mechanism, the output end of the longitudinal reinforcement processing mechanism is connected to the longitudinal reinforcement conveying mechanism, and a transfer mechanism is provided on one side of the longitudinal reinforcement conveying mechanism.

[0012] In the preferred embodiment, the lengthening conveying assembly includes a feeding mechanism on one side of the breaking up mechanism, and the output end of the feeding mechanism is sequentially connected to the butt welding mechanism, the fixed-length conveying mechanism, the cutting mechanism and the conveying mechanism.

[0013] In the preferred embodiment, the butt welding mechanism can weld the ends of two sections of steel bars and connect them into one steel bar, and the cutting mechanism can cut the steel bars into a set length according to a preset value, and the remaining steel bars can be used to connect the next section of steel bars.

[0014] In the preferred embodiment, the dispersing mechanism includes a dispersing motor below the frame, a rotatable dispersing cam is connected above the dispersing motor, a conveyor belt is provided above the frame, and a flow limiting plate is provided on one side of the conveyor belt; The breaking mechanism breaks up the bundled steel bars through the breaking cam, and the conveyor belt conveys the steel bars in the direction of the limiting plate. The breaking cam breaks up the steel bars in the opposite direction, and the limiting plate limits only one steel bar to pass through at a time.

[0015] In the preferred embodiment, the conveying mechanism includes a lifting and retractable material guide wheel and a material guide frame provided on one side close to the material distributing platform, a plurality of material guide baffles are provided above the material guide frame, and a swingable material guide rod is provided at the front end of the material guide frame.

[0016] In the preferred embodiment, the material distribution platform includes a plurality of evenly distributed platform frames and a lifting mechanism, wherein transversely movable frames are provided on both sides of the platform frames, a lift frame that can be raised or lowered is provided on one side of the transversely movable frame, and a movable bracket that can be moved laterally is provided on the top of the lift frame.

[0017] In the preferred embodiment, the lifting mechanism includes a tiered frame, on both sides of which tiered electric cylinders are symmetrically fixed, and the output end of the tiered electric cylinder is provided with a tiered slide that can be lifted and moved on the tiered frame, and a tiered cross bar extends from one side of the tiered slide, and a plurality of power rollers are provided on the tiered cross bar.

[0018] In a preferred embodiment, a proximity sensor is provided at the bottom of the movable bracket for sensing whether there are steel bars on the movable bracket.

[0019] In the preferred embodiment, the bottom welding assembly includes a bottom welding track provided below, a plurality of movable bottom welding movable seats are provided on the bottom welding movable seats, a bottom welding telescopic rod is provided on the bottom welding telescopic rod, and a bottom rotating welding gun is provided at the top of the bottom welding telescopic rod; The bottom layer rotary welding gun is used to weld the intersection of the lower layer longitudinal reinforcement and the fixed-length stirrups; The upper layer welding assembly comprises an upper layer welding track, on which a plurality of movable upper layer welding movable seats are arranged, below which an upper layer welding telescopic rod is arranged, and at the bottom end of which an upper layer rotating welding gun is arranged; The upper rotary welding gun is used to weld the intersection of the upper longitudinal reinforcement and the fixed-length stirrups. Each upper rotary welding gun or bottom rotary welding gun can weld the intersection on both sides of itself.

[0020] In the preferred embodiment, the stirrup bending assembly includes a bending platform, and bending mechanisms are symmetrically provided on both sides of the bending platform. After the fixed-length stirrups are bent, they are positioned vertically by the positioning plate. The bending platform is provided with a rolling conveying roller to facilitate the transportation of the steel cage on a plane.

[0021] In the preferred embodiment, the longitudinal reinforcement traction assembly includes a traction guide rail, a movable traction frame is provided on the traction guide rail, and an upper traction clamp and a lower traction clamp are provided on a side of the traction frame close to the longitudinal reinforcement; Anti-skid grooves are provided at the clamping positions of the upper traction clamping jaw and the lower traction clamping jaw to prevent slipping and loosening when clamping the longitudinal reinforcement.

[0022] A method for digitally forming a prefabricated box girder steel bar block comprises the following steps: S1. Straighten and cut the wire rod steel bars to the required length, and then load them to the upper layer of the material distribution platform; S2, the upper layer of the material placing platform rises so that the wire rod steel bars are used as the upper longitudinal reinforcement; S3, straightening the rod-shaped steel bars and conveying them to the welding mechanism for lengthening, and then cutting them to a fixed length and conveying them to the lower layer of the material distribution platform as the lower longitudinal reinforcement; S4. Place the longitudinal reinforcements one by one on the movable bracket, move the longitudinal reinforcement traction assembly to the end of the longitudinal reinforcement, clamp it and prepare to drag it; S5, straightening and cutting the wire rod steel bars into fixed-length stirrups and transporting them to the bottom welding assembly; S6, the intersection position of the lower longitudinal reinforcement and the fixed-length stirrups of the bottom welding assembly; S7, the longitudinal reinforcement pulling assembly pulls the longitudinal reinforcement according to the set stirrup spacing, so that the fixed-length stirrups that have been welded to the lower longitudinal reinforcement are moved to the stirrup bending assembly; S8, stirrup bending assembly automatically bends the fixed-length stirrups as required; S9, the upper layer welding assembly welds the intersection of the upper layer longitudinal reinforcement and the fixed-length stirrups; S10. Repeat steps S6-S9 until all stirrups and longitudinal bars are connected according to the designed spacing, and finally a steel bar block is produced on the block forming platform.

[0023] The present invention provides a prefabricated box girder production line, a forming method and a digital production management system, which have the following beneficial effects: 1. The present invention provides a digital production management system for prefabricated box beams. The digital automatic and rapid production and forming greatly reduces the number of operators and the workload of operators, and improves the production efficiency of steel bar parts to a certain extent. The assembly-wide precision control system can effectively improve the forming quality of steel bar parts. 2. The present invention provides a method for forming a prefabricated box girder. The box girder blocks are automatically formed on an automated production line. Only a simple frame is required to lift and assemble the four blocks. The overall production efficiency of the parts is high, avoiding the safety risks of traditional processes and operators working in groups.

[0024] 3. The present invention provides a digital production management system for prefabricated box girders, which eliminates the traditional paper drawing process, opens up the information channel between BIM data and equipment through the cloud platform, collects process data in real time, and facilitates factory managers to grasp the on-site production progress in real time, and discovers weak links in management by analyzing the detailed progress data of the blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments: Figure 1 is a flow chart of the digital production system of the present invention; Figure 2 It is a flow chart of the digital system of the box beam block production line of the present invention; Figure 3 It is a top view layout diagram of the steel bar block forming equipment of the present invention; Figure 4 It is a top view layout diagram of the longitudinal reinforcement processing assembly of the present invention; Figure 5 It is a top view layout diagram of the extension conveying assembly of the present invention; Figure 6 It is an axial layout diagram of the steel bar block forming equipment of the present invention; Figure 7 It is an axial layout diagram of the steel bar block forming equipment of the present invention in another direction; Figure 8 It is a partial isometric view of the extension conveying assembly of the present invention; Fig. 9 is an axonometric view of the material distribution platform of the present invention; Fig.10 It is an isometric view of a movable bracket in the material distribution platform of the present invention; Fig.11 It is a left view of the material distribution platform of the present invention; Fig.12 It is a front view of the movable bracket of the present invention; Fig.13 is a partial cross-sectional view of the movable bracket of the present invention; Fig.14 is an axonometric view of the lifting mechanism of the present invention; Fig.15 is an axonometric view of the longitudinal reinforcement traction assembly of the present invention; Fig.16 It is an isometric view of the clamping jaws in the longitudinal reinforcement pulling assembly of the present invention; Fig.17 It is an isometric view of the longitudinal reinforcement traction assembly of the present invention in another direction; Fig.18 is an isometric view of the stirrup bending assembly of the present invention; Fig.19 is a front view of the welding assembly of the present invention; Fig. 20 is a front view of the forming platform of the present invention; Fig.21 It is an axonometric view of the dispersing mechanism of the present invention; Fig. 22 It is a front view of the dispersing mechanism of the present invention; Fig.23 It is a front view of the conveying mechanism of the present invention.

[0026] In the figure: longitudinal reinforcement processing assembly 1; reinforcement placement frame 101; conical restraint frame 102; longitudinal reinforcement processing mechanism 103; longitudinal reinforcement conveying mechanism 104; transfer mechanism 105; extension conveying assembly 2; scattering mechanism 201; scattering cam 2010; scattering motor 2011; conveyor belt 2012; current limiting plate 2013; feeding mechanism 202; fixed length conveying mechanism 203; butt welding mechanism 204; cutting mechanism 205; conveying mechanism 206; guide wheel lifting electric cylinder 2061; guide wheel forward push electric cylinder 20 62; conveyor belt 2063; guide wheel 207; guide frame 208; guide baffle 209; guide rod 210; material distribution platform 3; lifting mechanism 301; platform frame 302; movable bracket 303; transverse frame 304; lifting frame 305; locking cylinder 306; moving seat 307; guide sleeve 308; U-shaped groove 309; locking hole 310; tail column 311; clamping pin 312; spring 313; anti-slip pad 314; motor 315; screw rod 316; layering frame 317; layering Electric cylinder 318; layered slide plate 319; layered cross bar 320; power roller 321; stirrup processing mechanism 4; unwinding rack 401; feed roller 402; stirrup straightening mechanism 403; stirrup cutting mechanism 404; bottom welding assembly 5; bottom welding track 501; bottom welding moving seat 502; bottom welding telescopic rod 503; bottom rotating welding gun 504; stirrup bending assembly 6; bending platform 601; bending mechanism 602; positioning plate 603; conveying roller 604; bending electric cylinder 605 ; Lifting electric cylinder 606; transverse bending head 607; primary bending head 608; secondary bending head 609; upper welding assembly 7; upper welding track 701; upper welding moving seat 702; upper welding telescopic rod 703; upper rotary welding gun 704; longitudinal reinforcement traction assembly 8; traction guide rail 801; traction frame 802; upper traction clamp 803; anti-slip groove 804; lower traction clamp 805; forming platform 9; upper longitudinal reinforcement 10; lower longitudinal reinforcement 11; fixed-size stirrups 12; steel bar block 13. DETAILED DESCRIPTION

[0027] Example 1 like Figure 1-2 As shown, a digital production management system for prefabricated box beams includes a research and development system, a production planning system, a steel bar block production line system, and a cloud platform; The steel block production line system includes a management platform, a server database, and a steel block production line. The management platform is used to receive the material list file output from the production planning system and convert the instructions to the steel block production line; The server database is used to store production data during the production process; The steel bar block production line is used to produce steel bar blocks 13, and output the production quantity and upload it to the server database.

[0028] In the preferred solution, the R&D system includes an R&D terminal, an R&D database, an encryption module, a gallery module, and a coding module. The R&D terminal is used for R&D personnel to upload engineering drawings and engineering construction parameters, the R&D database is used to store engineering drawings and engineering construction parameters, the encryption module is used to encrypt engineering drawings, the gallery module is used to store encrypted drawings, and the coding module is used to recode engineering drawings when production calls them. The production planning system includes a planning terminal, a pre-scheduling module, and a production terminal. The planning terminal is used to arrange the corresponding production plan and issue the design cycle to the R&D terminal. The pre-scheduling module receives and sorts the instructions from the planning terminal. The production terminal is used by operators to retrieve production engineering drawings and receive the plan arrangements from the scheduling module. The cloud platform is used to organize the production data uploaded from the server database and feed it back to the pre-production scheduling module to update the production plan in real time.

[0029] In the preferred embodiment, the steel bar block production line includes a breaking mechanism 201, a shearing and welding machine, a material distribution platform 3, a stirrup processing mechanism 4, a shearing machine, a bottom layer welding assembly 5, a bending machine, an upper layer welding assembly 5, a forming platform 9, and a QR code printing module; The breaking mechanism 201 is used to break up the rod-shaped steel bar raw materials, the shearing and welding machine is used to cut the rod-shaped steel bars and re-lengthen them to the fixed-length longitudinal bars of the designed length, the material distribution platform 3 is used to divide the received longitudinal bars into upper and lower layers, the stirrup processing mechanism 4 is used to process the coiled steel bars into straight steel bars, the shearing machine is used to shear the straight steel bars to the fixed-length stirrups of the designed length, the bottom welding assembly 5 is used to weld the intersection of the fixed-length longitudinal bars and the fixed-length stirrups, the bending machine is used to bend the fixed-length stirrups that have been welded to the fixed-length longitudinal bars, and the upper welding assembly 5 is used to weld the bent fixed-length stirrups to the fixed-length longitudinal bars above; The semi-finished products produced by the material distribution platform 3 and the shearing machine are transported to the bottom welding assembly 5 for processing, and the forming platform 9 finally produces the steel bar block 13. The QR code printing module prints the QR code on the steel bar block 13 and uploads the QR code information to the server database.

[0030] In the preferred embodiment, a length detection module is provided in the shearing and welding machine to collect information on the length of the longitudinal reinforcement, a quantity detection module is provided in the material distribution platform 3 to collect information on the quantity of the longitudinal reinforcement, and a weighing calculation module is provided at the placement racks for the rod-shaped steel bar raw materials and the coiled steel bar raw materials to collect information on the weight of the steel bar raw materials; The frames of the bottom welding assembly 5 and the upper welding assembly 5 are provided with a welding point identification module for identifying the intersection position of the longitudinal reinforcement and the stirrup, the shearing machine is provided with a length measurement module for collecting the stirrup length information, and the bending machine is provided with a bending parameter module for collecting the bending parameters of the stirrup; The storage and retrieval of steel blocks require scanning codes to enter and exit the warehouse. The scanned code information is eventually collected by the information collection module and uploaded to the server database. A digital production management system for prefabricated box girders, the overall process is as follows: a new box girder production task is created on the planning terminal, and a design order is issued to the R&D terminal. The planning terminal then selects the box girder model to be processed from the structural decomposition table of the engineering project, and issues the demand order to the pre-production scheduling module. The pre-production scheduling module receives the scheduling information from the planning terminal and sorts the production tasks by itself. The pre-production scheduling module issues instructions to the production terminal; After completing the structural design and development, the R&D terminal uploads the R&D data and drawings to the R&D database. The R&D database is encrypted and then stored in the library module. When the production terminal needs to call the production engineering drawing, the coding module will recode the engineering drawing and send it to the production terminal. After receiving the production task, the production terminal established the parametric model of the box girder reinforcement cage according to the two-dimensional drawings. Planbar software was used to establish the reinforcement BIM model. Factors affecting the cutting length, such as bending, hooks, anchoring, and overlap, were considered during the reinforcement modeling. The high-precision reinforcement model was exported as a reinforcement processing file in BVBS format to ensure that the generated reinforcement data file can directly guide the reinforcement processing; The model is sliced ​​according to a certain division principle to obtain four steel blocks 13. Each block is composed of stirrups, longitudinal bars and hook bars. The stirrups are made of wire rods, and the hook bars are made of vertical bending centers. The bill of materials files of the four blocks can be exported from the BIM model, including the size and quantity information of the stirrups, the size and quantity information of the longitudinal bars, and the size and quantity of the hook bars; After receiving the task, the management platform in the steel bar block production line system will lay the stirrups and longitudinal bars, automatically count the weight of the wire rods consumed according to the size, upload it to the server database and feedback it to the cloud platform, and the cloud platform will revise the pre-scheduled material information. Similarly, the vertical bending center will receive the hook bar processing task, and feedback the processing progress in real time during the processing. The steel bar block production line is a multi-line production line that produces steel bars of various parts at the same time 13. The specific implementation path is as follows: (1) Configure the intelligent gateway on the CNC equipment of the steel bar processing plant, and connect the PLC and screen of the equipment through the network port or serial port (RS-232, RS-485) of the equipment; (2) Configure the corresponding devices and device variable templates on the gateway platform. First, configure the slave type and connection method in the change template, including the network port or serial port. The former configures the PLC's IP, port and slave address, and the latter configures the serial port address and slave address. The settings of the variable template mainly include the PLC point, variable name, variable identifier (used by the system to identify the corresponding variable), register address, data format, storage method, read and write method, etc. (3) Management platform server, configure the server address, user name, password, data reporting cycle (device data reporting cycle interval), reporting method (device data reporting method, supporting periodic reporting, change reporting, etc.), heartbeat cycle (network heartbeat reporting interval), etc. on the gateway (4) On the device side, the processing task is entered according to the processing order. The gateway converts the Modbus TCP data of the task into management platform data, and the gateway publishes messages as the management platform client; (5) Parse the steel bar legend into corresponding processing parameters; the processing parameters of the shearing order are parsed and configured by the management platform according to the system optimization cutting plan. The main configuration parameters include the number of processed roots, steel bar diameter, total length of raw material, shearing length, number of shearing times, etc. The processing parameters of the bending list are analyzed and configured by the management platform based on the steel bar graphics and specific parameters of the material list. The main configuration parameters include the number of processed roots, steel bar diameter, total length of raw materials, bending length, bending angle, etc. The management platform publishes the corresponding processing parameters, including the processing parameters of shearing, sawing, vertical bending, horizontal bending and other equipment, such as cutting length, cutting times, bending side length, bending angle, etc. In the preferred embodiment, a length detection module is provided in the shearing and welding machine to collect information on the length of the longitudinal reinforcement, a quantity detection module is provided in the material distribution platform to collect information on the quantity of the longitudinal reinforcement, and a weighing calculation module is provided at the placement racks for the rod-shaped steel bar raw materials and the coiled steel bar raw materials to collect information on the weight of the steel bar raw materials; The frames of the bottom welding machine and the top welding machine are provided with welding point recognition modules to identify the intersection position of the longitudinal reinforcement and the stirrups. The shearing machine is provided with a length measurement module to collect the stirrup length information. The bending machine is provided with a bending parameter module to collect the bending parameters of the stirrups. (6) The gateway subscribes to the processing parameter message and converts the management platform data into Modbus TCP data. The device screen loads and displays the data in the download area according to the received processing parameters, and copies it to the work area at the same time. The rebar workers perform processing according to the processing parameters. (7) According to the processing line configured on site, by issuing processing parameters including the number of material feeds and bending tasks, the shearing machine can be connected with the feeder and bending machine on site, and the number of material feeds can be sent to the feeder. When shearing is completed, the bending task can be sent to the bending machine. By binding the shearing processing parameters to the number of material feeds, bending tasks, etc., the shearing processing parameters can be issued with one click to realize the automated processing of feeding, shearing and bending.

[0031] After the steel bar block 13 is processed, the storage and call of the steel bar block 13 requires scanning code in and out of the warehouse, and the scanning code information is finally collected by the information collection module and uploaded to the server database.

[0032] Embodiment 2: A prefabricated box beam forming device applied to the above-mentioned digital management method comprises a longitudinal reinforcement processing component 1, a lengthening conveying component 2, a material distribution platform 3, a stirrup processing mechanism 4, a bottom layer welding component 5, a stirrup bending component 6, an upper layer welding component 7, a longitudinal reinforcement traction component 8, and a forming platform 9 are sequentially connected to the longitudinal reinforcement processing component 1; The longitudinal reinforcement processing assembly 1 is used to straighten and cut the wire rod reinforcement to a fixed length, the extension conveying assembly 2 is used to straighten and weld the rod-shaped reinforcement to extend, the material distribution platform 3 is used to divide the longitudinal reinforcement into two layers, the upper longitudinal reinforcement 10 and the lower longitudinal reinforcement 11, the stirrup processing mechanism 4 is used to straighten and cut the stirrups to a fixed length, the bottom welding assembly 5 and the upper welding assembly 7 are used to weld the longitudinal reinforcement and stirrups, the stirrup bending assembly 6 is used to bend the fixed-length stirrups 12, the longitudinal reinforcement traction assembly 8 is used to pull the upper longitudinal reinforcement 10 and the lower longitudinal reinforcement 11, and the forming platform 9 is used to place the final product.

[0033] In the preferred embodiment, the longitudinal reinforcement processing assembly 1 includes a steel bar placement frame 101 and a longitudinal reinforcement processing mechanism 103, a conical constraint frame 102 is provided between the steel bar placement frame 101 and the longitudinal reinforcement processing mechanism 103, the output end of the longitudinal reinforcement processing mechanism 103 is connected to a longitudinal reinforcement conveying mechanism 104, and a transfer mechanism 105 is provided on one side of the longitudinal reinforcement conveying mechanism 104. The steel bar placement frame 101 is used to place steel bars, and the longitudinal reinforcement processing mechanism 103 includes straightening the longitudinal bars first and then cutting them. After cutting, they are transported to the bottom end of the longitudinal reinforcement conveying mechanism 104 and are blocked by a bottom plate. After being transported to the right place, the top plate on the side that has just entered pushes the steel bars upward into the transfer mechanism 105; The lengthening conveying assembly 2 includes a feeding mechanism 202 on one side of the breaking mechanism 201, and the output end of the feeding mechanism 202 is sequentially connected to the butt welding mechanism 204, the fixed-length conveying mechanism 203, the cutting mechanism 205 and the conveying mechanism 206, the feeding mechanism 202, the feeding mechanism has multiple movable steps and fixed steps, and the side of the movable step away from the longitudinal reinforcement sliding seat is provided with multiple steps from low to high, and each step is lower on the side close to the longitudinal reinforcement sliding seat and higher on the other side, and the movable step performs reciprocating lifting motion; A plurality of steps from low to high are arranged on the side of the step platform away from the longitudinal reinforcement sliding seat, and the side of each step close to the longitudinal reinforcement sliding seat is lower and the other side is higher. A slope is arranged on the top of the step platform, and the side of the slope close to the longitudinal reinforcement sliding seat is lower and the other side is higher; When the movable step platform is aligned with the fixed step platform during the lifting process, each step of the fixed step platform can only accommodate one longitudinal reinforcement.

[0034] In the preferred embodiment, the butt welding mechanism 204 can weld the ends of two sections of steel bars and connect them into one steel bar. During this process, friction welding is used for butt welding. After welding is completed, a scraper will remove the excess material on the surface of the steel bar and transport the longitudinal reinforcement to the cutting mechanism 205. The cutting mechanism 205 will then cut the steel bar into a set length according to a preset value, and the remaining steel bars will be cut off and used to connect the next section of steel bars.

[0035] In the preferred embodiment, the dispersing mechanism 201 includes a dispersing motor 2011 below the frame, a rotatable dispersing cam 2010 is connected above the dispersing motor 2011, a conveyor belt 2012 is provided above the frame, and a flow limiting plate 2013 is provided on one side of the conveyor belt 2012; The dispersing mechanism 201 disperses the bundled steel bars through the dispersing cam 2010, and the conveyor belt 2012 conveys the steel bars toward the flow limiting plate 2013. The dispersing cam 2010 disperses the steel bars in the opposite direction, and the flow limiting plate 2013 limits only one steel bar to pass through at a time. The conveying mechanism 206 includes a lifting and retractable material guide wheel 207 and a material guide frame 208 provided on one side close to the material distributing platform 3, a plurality of material guide baffles 209 are provided above the material guide frame 208, and a swingable material guide rod 210 is provided at the front end of the material guide frame 208.

[0036] In the preferred embodiment, the material distribution platform 3 includes a plurality of evenly distributed platform frames 302 and a lifting mechanism 301, a transverse moving frame 304 that can be moved laterally is provided on both sides of the platform frame 302, an electric cylinder and a guide rail are provided between the transverse moving frame 304 and the platform frame 302, the electric cylinder and the guide rail are used to control the transverse moving frame 304 to move laterally on the platform frame 302, a lift frame 305 that can be raised and lowered is provided on one side of the transverse moving frame 304, an electric cylinder and a guide rail are provided between the transverse moving frame 304 and the lift frame 305, the electric cylinder and the guide rail are used to control the lift frame 305 to move up and down on the transverse moving frame 304, and a plurality of laterally movable brackets 303 are provided on the top of the lift frame 305; A motor 315 and a locking cylinder 306 are provided on one side of the lifting frame 305. A rotatable screw rod 316 is provided on the output shaft of the motor 315. A movable moving seat 307 is provided on the screw rod 316. A locking cylinder 306 is provided on one side of the moving seat 307. A plurality of movable active brackets 303 are also provided on one side of the lifting frame 305. A guide groove is provided on one side of the lifting frame 305 close to the moving seat 307. A movable guide sleeve 308 is provided in the guide groove. A locking hole 310 is provided on one side of the steel bar bracket close to the locking cylinder 306. The output shaft of the locking cylinder 306 penetrates the guide sleeve 308 and is inserted into the locking hole 310. A U-shaped groove 309 is provided above the movable bracket 303, a slot is provided at the bottom of the U-shaped groove 309, a sensor is provided in the slot, a clamping pin 312 is symmetrically provided in the locking hole 310 of the movable bracket 303, the clamping pin 312 is hinged to the movable bracket 303, a non-slip pad 314 is provided at the front end of the clamping pin 312, a spring 313 is provided between the front end side of the clamping pin 312 and the movable bracket 303, and a tail post 311 is provided at the tail end of the clamping pin 312 and can extend into the locking hole 310; The screw rod 316 rotates to align the locking cylinder 306 on the movable seat 307 with the locking hole 310 on the movable bracket 303. After moving into position, the locking cylinder 306 inserts its shaft end into the locking hole 310, and the shaft end lifts the tail column 311 in the movable bracket 303. The anti-skid gasket 314 at the front end of the clamping pin 312 is released and the guide rail can slide freely. After the anti-skid gasket 314 is released, the third motor 305 moves the movable bracket 303 to the top of the other side, and the locking cylinder 306 pulls out the shaft end. The clamping pin 312 and the anti-skid gasket 314 clamp the slide rail under the action of the spring 313, and the movable bracket 303 cannot slide freely. The motor 315 can control the locking cylinder 306 for precise positioning. This process can be used to locate the positions of multiple movable brackets 303 on the track through an encoder before the action begins. The lifting mechanism 301 includes a layering frame 317, and layering electric cylinders 318 are symmetrically fixed on both sides of the layering frame 317. The output end of the layering electric cylinder 318 is provided with a layering slide 319 that can be lifted and moved on the layering frame 317. A layering cross bar 320 extends from one side of the layering slide 319, and a plurality of power rollers 321 are provided on the layering cross bar 320.

[0037] In a preferred embodiment, a proximity sensor is provided at the bottom of the movable bracket 303 to sense whether there are steel bars on the movable bracket 303 .

[0038] In the preferred embodiment, the stirrup processing mechanism 4 includes a discharge rack 401, a conical constraint rack 102, a feed roller 402, a stirrup straightening mechanism 403 and a stirrup cutting mechanism 404. The stirrups are discharged from the discharge rack, pass through the conical constraint rack 102 and enter the feed roller 402. The feed roller 402 feeds the coil into the stirrup straightening mechanism 403. After straightening, it enters the stirrup cutting mechanism 404. The stirrup cutting mechanism 404 cuts the stirrups according to a preset length and finally feeds the stirrups into the stirrup bending assembly 6 through the conveying wheel.

[0039] In the preferred embodiment, the bottom welding assembly 5 includes a bottom welding track 501 provided below, a plurality of movable bottom welding movable seats 502 are provided on the bottom welding track 501, a bottom welding telescopic rod 503 is provided on the bottom welding movable seat 502, a bottom rotating welding gun 504 is provided at the top of the bottom welding telescopic rod 503, and an electric cylinder is provided at the bottom of the bottom welding movable seat 502, so that each independent bottom welding movable seat 502 can freely move horizontally according to a set value; The bottom layer rotary welding gun 504 is used to weld the intersection of the lower layer longitudinal reinforcement 11 and the fixed-length stirrup 12; The upper layer welding assembly 7 comprises an upper layer welding track 701, on which a plurality of movable upper layer welding movable seats 702 are arranged, below which an upper layer welding telescopic rod 703 is arranged, at the bottom end of which an upper layer rotating welding gun 704 is arranged, and in which an electric cylinder is arranged, which can make the upper layer welding movable seat 702 freely move laterally according to a set value; The upper rotary welding gun 704 is used to weld the intersection of the upper longitudinal reinforcement 10 and the fixed-length stirrup 12. Each upper rotary welding gun 704 or bottom rotary welding gun 504 can weld the intersections on both sides of itself.

[0040] Each bottom layer welding movable seat 502 and upper layer welding movable seat 702 can move independently, and a movable motor is provided therein. A rack is provided on one side of the bottom layer welding track 501 and the upper layer welding track 701, and a gear is provided at the output shaft end of the movable motor. Each independent gear can move freely on the rack according to preset parameters.

[0041] In the preferred embodiment, the stirrup bending assembly 6 includes a bending platform 601, and bending mechanisms 602 are symmetrically arranged on both sides of the bending platform 601. A high-torque electric cylinder is arranged between the bending mechanism 602 and the bending platform 601. A secondary bending head 609 is arranged at the top of the bending mechanism 602, and a primary bending head 608 is arranged below the secondary bending head 609. A transverse bending mechanism is also arranged on the outer frame of the bending mechanism 602. The transverse bending mechanism includes a lifting electric cylinder 606 and a bending electric cylinder 605. A transverse bending head 607 is arranged at the top of the output shaft of the bending electric cylinder 605. The initial position of the bending electric cylinder 605 is lower than the bending platform 601. When the fixed After the fixed-length stirrup 12 is transported to the bending platform 601 through the stirrup processing mechanism 4, the bending mechanism 602, driven by the high-torque electric cylinder, rotates the primary bending head 608 to bend the fixed-length stirrup 12 upward. After the fixed-length stirrup 12 is bent, it is positioned in the vertical direction by the positioning plate 603. After the positioning plate 603 is positioned, the lifting electric cylinder 606 raises the bending electric cylinder 605 to a set height. The bending electric cylinder 605 extends the bending head 607 at the front end, and further bends the vertical part of the fixed-length stirrup 12 with the secondary bending head 609 as the force point. After the bending is completed, the upper rotary welding gun 704 welds the intersection of the upper longitudinal reinforcement 10 and the fixed-length stirrup 12. A rolling conveying roller 604 is provided on the bending platform 601 to facilitate the transportation of the steel cage on the plane.

[0042] In the preferred embodiment, the longitudinal reinforcement traction assembly 8 includes a traction guide rail 801, on which a movable traction frame 802 is provided, and a side of the traction frame 802 close to the longitudinal reinforcement is provided with an upper traction clamp 803 and a lower traction clamp 805; The clamping positions of the upper traction clamp 803 and the lower traction clamp 805 are provided with anti-skid grooves to prevent slipping and loosening when clamping the longitudinal reinforcement. A traction power is provided at the tail of the traction frame 802. The traction frame 802 is pre-extended through the frame to be as close as possible to one end of the layered longitudinal reinforcement. The power roller 321 in the lifting mechanism 301 transports the longitudinal reinforcement to the clamping position. The upper traction clamp 803 and the lower traction clamp 805 clamp the longitudinal reinforcement and pull it to the welding and bending integrated machine position for welding and bending. The longitudinal reinforcement traction assembly 8 pulls the longitudinal reinforcement equidistantly according to the set distance.

[0043] The longitudinal reinforcement traction assembly 8 moves on the forming platform 9 , and the longitudinal reinforcement traction assembly 8 can move as a whole to pass the upper traction clamp 803 and the lower traction clamp 805 at the front end through the welding and bending equipment to clamp the upper longitudinal reinforcement 10 and the lower longitudinal reinforcement 11 .

[0044] Embodiment 3: The production process of digital molding equipment is as follows: S1. Figure 1-8 The longitudinal reinforcement processing assembly 1 shown is mainly used for straightening, cutting and conveying the wire rod steel bar raw materials of the longitudinal reinforcement type. Figure 2As shown, it is mainly composed of a steel bar placement frame 101, a conical restraint frame 102, a longitudinal reinforcement processing mechanism 103, a longitudinal reinforcement conveying mechanism 104, and a transfer mechanism 105. The wire rod steel bar raw material is horizontally placed on the steel bar placement frame 101, and its end passes through the bundle opening of the conical restraint frame 102 and extends into the longitudinal reinforcement processing mechanism 103 for straightening and cutting to a fixed length. Then, the cut steel bar is transported to a specified position through the longitudinal reinforcement conveying mechanism 104, turned over into the transfer mechanism 105, and then passed through the transfer machine The steel bar is transported to the guide wheel 207 on the conveying mechanism 206 by the structure 105. The guide wheel 207 is lifted upward by the guide wheel lifting electric cylinder 2061, and then extended outward by the guide wheel forward pushing electric cylinder 2062 to deliver the steel bar to the front end of the guide rack 208. The guide baffle 209 is erected to prevent the steel bar from falling back. After placing the steel bar, the guide wheel 207 is lowered and retracted to continue the next cycle. When the guide baffle 209 is fully erected, the guide wheel 207 pushes the frontmost steel bar to the guide rod 210. like Fig.23 As shown, preferably, the material guide frame 208 may also be a rotatable conveyor belt 2063, and a material guide baffle 209 is provided on the conveyor belt 2063; When the transverse frame 304 below the guide rod 210 moves the movable bracket 303 to the bottom of the guide rod 210, the lifting frame 305 lifts the movable bracket 303 to a position close to the bottom of the guide rod 210, and then the guide rod 210 opens to drop the steel bars into the movable bracket 303. Multiple steel bar placement racks 101 and conical constraint racks 102 can be placed to connect wire rod steel bars of various diameters.

[0045] S2, such as Figure 5-8 The two ends and the middle position of the material distribution platform 3 are provided with platform frames 302, and a lifting mechanism 301 is provided on one side of the platform 302. The lifting mechanism 301 includes a layer frame 317, and layer electric cylinders 318 are symmetrically fixed on both sides of the layer frame 317. The output end of the layer electric cylinder 318 is provided with a layer slide 319 that can be lifted and moved on the layer frame 317. A layer cross bar 320 extends from one side of the layer slide 319, and a plurality of power rollers 321 are provided on the layer cross bar 320. The transverse frame 304 on the platform frame 302 controls the movable support 303 above to move to a position close to the bottom of the guide rod 210 to receive the steel bars from above, starting from the movable support 303 on the far right, and receiving them in sequence. After receiving all the steel bars, the lifting frame 305 drops halfway, but is still higher than the lifting mechanism 301. The transverse frame 304 moves the steel bars to the power roller 321 on one side of the lifting mechanism 301. A transverse frame 304 is symmetrically arranged opposite the platform frame 302. The transverse frame 304 on its symmetrical surface continues to move to the bottom of the guide rod 210 to receive the steel bars. At this time, the lifting frame 305 on the transverse frame 304 moved to one side of the lifting mechanism 301 begins to descend, and places the steel bars on the movable support 303 above it on the power roller 321 in the lifting mechanism 301. After the placement is completed, the lifting mechanism 301 starts to rise, so that the wire rod steel bars are used as the upper longitudinal reinforcement 10.

[0046] S3, straightening the rod-shaped steel bars and conveying them to the welding mechanism 204 for lengthening, and then cutting them to a predetermined length and conveying them to the lower layer of the material distribution platform 3 as the lower layer longitudinal reinforcement 11.

[0047] The extension conveying assembly 2 is mainly used for straightening, cutting and conveying the longitudinal reinforcement bar raw materials. Figure 3 , 14 As shown in 15, it is mainly composed of a breaking mechanism 201, a feeding mechanism 202, a fixed-length conveying mechanism 203, a welding mechanism 204, and a cutting mechanism 205; The dispersing mechanism 201 includes a dispersing motor 2011 below the frame, a rotatable dispersing cam 2010 is connected above the dispersing motor 2011, a conveyor belt 2012 is provided above the frame, and a flow limiting plate 2013 is provided on one side of the conveyor belt 2012; The dispersing mechanism 201 disperses the bundled steel bars through the dispersing cam 2010, and the conveyor belt 2012 conveys the steel bars toward the flow limiting plate 2013. The dispersing cam 2010 disperses the steel bars in the opposite direction, and the flow limiting plate 2013 limits only one steel bar to pass through at a time. After being scattered on the scattering mechanism 201, the bar steel bar raw materials are transported one by one to the fixed-length conveying mechanism 203 through the feeding mechanism 202. The fixed-length conveying mechanism 203 welds and connects two bar steel bars at the welding mechanism 204, and then the fixed-length conveying mechanism 203 transports the connected steel bars to the cutting mechanism 205 for fixed-length cutting. Finally, the fixed-length conveying mechanism 203 flips the fixed-length steel bars to the lower layer of the material distribution platform 3 as the lower longitudinal reinforcement 11.

[0048] S4, such as Fig.10 The longitudinal bars are placed one by one on the movable bracket 303, the longitudinal bar pulling assembly 8 is moved to the longitudinal bar end position, and the power roller 321 also sends the steel bars to the longitudinal bar pulling assembly 8 at the same time, and the longitudinal bar pulling assembly 8 clamps and fixes it and prepares to drag it.

[0049] S5, such as Figure 1 , 5 The stirrup processing mechanism 4 shown is mainly used for straightening and cutting the stirrups to a certain length, and then conveying the stirrups 12 to the bottom welding assembly 5 , and the stirrups 12 pass under the lower longitudinal reinforcement 11 .

[0050] S6, such as Fig.12 The bottom layer welding assembly 5 shown identifies and marks the intersection position of the lower longitudinal reinforcement 11 and the fixed-length stirrup 12 moved into the welding assembly through the image recognition system provided on the top and both sides of the frame. The system controls the bottom layer welding assembly 5 to move between the longitudinal reinforcement grids. The welding nozzle has a clamping function, which can clamp the lower longitudinal reinforcement 11 and the fixed-length stirrup 12 and then power on to perform resistance welding on the intersection of the lower longitudinal reinforcement 11 and the fixed-length stirrup 12, and then weld after spot welding.

[0051] S7, such as Fig.11 and 12 As shown, after the lower longitudinal reinforcement 11 and the fixed-length stirrups 12 are welded at the welding assembly position, the longitudinal reinforcement pulling assembly 8 pulls the longitudinal reinforcement according to the set stirrup spacing, so that the fixed-length stirrups 12 that have been welded to the lower longitudinal reinforcement 11 are moved to the stirrup bending assembly 6.

[0052] S8, such as Fig.11 The bending mechanisms 602 on both sides of the stirrup bending assembly 6 shown in the figure automatically bend the fixed-length stirrups 12 as required. The fixed-length stirrups 12 are first bent vertically upward, and the positioning plates 603 fix the fixed-length stirrups 12 vertically. Then the bending mechanisms 602 bend the stirrups again, and the upper bend is close to the upper longitudinal reinforcement 10.

[0053] S9. The upper layer welding assembly 7 is similar to the bottom layer welding assembly 5 in that it welds the intersection of the upper layer longitudinal reinforcement 10 and the fixed-length stirrups 12 .

[0054] S10, repeat steps S6-S9 until all stirrups and longitudinal bars are connected according to the designed spacing, and finally a steel bar block 13 is produced on the block forming platform 9.

[0055] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limiting the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A digital production management system for prefabricated box beams, characterized by: Including R&D system, production planning system, steel bar block production line system, and cloud platform; The steel block production line system includes a management platform, a server database, and a steel block production line. The management platform is used to receive the material list file output from the production planning system and convert the instructions to the steel block production line; The server database is used to store production data during the production process; The steel bar block production line is used to produce steel bar blocks (13) and output the production quantity and upload it to the server database.

2. According to claim 1, a digital production management system for prefabricated box beams is characterized in that: The R&D system includes an R&D terminal, an R&D database, an encryption module, a gallery module, and a coding module. The R&D terminal is used by R&D personnel to upload engineering drawings and engineering construction parameters. The R&D database is used to store engineering drawings and engineering construction parameters. The encryption module is used to encrypt engineering drawings. The gallery module is used to store encrypted drawings. The coding module is used to recode engineering drawings when production calls them. The production planning system includes a planning terminal, a pre-scheduling module, and a production terminal. The planning terminal is used to arrange the corresponding production plan and issue the design cycle to the R&D terminal. The pre-scheduling module receives and sorts the instructions from the planning terminal. The production terminal is used by operators to retrieve production engineering drawings and receive the plan arrangements from the scheduling module. The cloud platform is used to organize the production data uploaded from the server database and feed it back to the pre-production scheduling module to update the production plan in real time.

3. According to the digital production management system of prefabricated box beams as described in claim 1, it is characterized by: The steel bar block production line includes a breaking mechanism (201), a shearing and welding machine, a material distribution platform (3), a stirrup processing mechanism (4), a shearing machine, a bottom layer welding assembly (5), a bending machine, an upper layer welding assembly (5), a forming platform (9), and a QR code printing module; The breaking mechanism (201) is used to break up the bar-shaped steel bar raw material, the shearing and welding machine is used to cut the bar-shaped steel bar and re-lengthen it to the fixed-length longitudinal reinforcement of the designed length, the material distribution platform (3) is used to divide the received longitudinal reinforcement into an upper and lower layer, the stirrup processing mechanism (4) is used to process the coiled steel bar into straight steel bars, the shearing machine is used to shear the straight steel bars into the fixed-length stirrups of the designed length, the bottom layer welding assembly (5) is used to weld the intersection of the fixed-length longitudinal reinforcement and the fixed-length stirrups, the bending machine is used to bend the fixed-length stirrups that have been welded to the fixed-length longitudinal reinforcement, and the upper layer welding assembly (5) is used to weld the bent fixed-length stirrups to the fixed-length longitudinal reinforcement above; The semi-finished products produced by the material distribution platform (3) and the shearing machine are transported to the bottom welding assembly (5) for processing, and the forming platform (9) finally produces a steel bar block (13). The QR code printing module prints a QR code on the steel bar block (13) and uploads the QR code information to the server database.

4. According to claim 3, a digital production management system for prefabricated box beams is characterized in that: The shearing and welding machine is provided with a length detection module for collecting information on the length of the longitudinal reinforcement, the material distribution platform (3) is provided with a quantity detection module for collecting information on the quantity of the longitudinal reinforcement, and the placement racks for the rod-shaped steel bar raw materials and the coiled steel bar raw materials are provided with a weighing calculation module for collecting information on the weight of the steel bar raw materials; A welding point identification module is provided on the frame of the bottom welding assembly (5) and the upper welding assembly (5) for identifying the intersection position of the longitudinal reinforcement and the stirrup, a length measurement module is provided in the shearing machine for collecting stirrup length information, and a bending parameter module is provided in the bending machine for collecting the bending parameters of the stirrup; The storage and retrieval of steel blocks require scanning codes to enter and exit the warehouse. The scanned code information is eventually collected by the information collection module and uploaded to the server database.

5. A prefabricated box girder production line, characterized by: It comprises a longitudinal reinforcement processing component (1), and is sequentially connected to a lengthening conveying component (2), a material distribution platform (3), a stirrup processing mechanism (4), a bottom layer welding component (5), a stirrup bending component (6), an upper layer welding component (7), a longitudinal reinforcement pulling component (8), and a forming platform (9); The longitudinal reinforcement processing assembly (1) is used to straighten and cut the wire rod reinforcement to a fixed length, the extension conveying assembly (2) is used to straighten and weld the rod-shaped reinforcement to a fixed length, the material distribution platform (3) is used to divide the longitudinal reinforcement into two layers, an upper longitudinal reinforcement (10) and a lower longitudinal reinforcement (11), the stirrup processing mechanism (4) is used to straighten and cut the stirrups to a fixed length, the bottom layer welding assembly (5) and the upper layer welding assembly (7) are used to weld the longitudinal reinforcement and the stirrups, the stirrup bending assembly (6) is used to bend the stirrups (12) of a fixed length, the longitudinal reinforcement pulling assembly (8) is used to pull the upper longitudinal reinforcement (10) and the lower longitudinal reinforcement (11), and the forming platform (9) is used to place the final product.

6. The prefabricated box girder production line according to claim 5 is characterized in that: The longitudinal reinforcement processing assembly (1) comprises a reinforcement placement frame (101) and a longitudinal reinforcement processing mechanism (103); a conical restraining frame (102) is provided between the reinforcement placement frame (101) and the longitudinal reinforcement processing mechanism (103); an output end of the longitudinal reinforcement processing mechanism (103) is connected to a longitudinal reinforcement conveying mechanism (104); and a transfer mechanism (105) is provided on one side of the longitudinal reinforcement conveying mechanism (104).

7. The prefabricated box girder production line according to claim 5 is characterized in that: The lengthening conveying assembly (2) comprises a dispersing mechanism (201) on one side of which a feeding mechanism (202) is provided, and an output end of the feeding mechanism (202) is sequentially connected to a butt welding mechanism (204), a fixed-length conveying mechanism (203), a cutting mechanism (205), and a conveying mechanism (206).

8. The prefabricated box girder production line according to claim 6 is characterized in that: The butt welding mechanism (204) can weld the ends of two sections of steel bars and connect them into one steel bar, and the cutting mechanism (205) can cut the steel bars into a set length according to a preset value, and the remaining steel bars can be used for connecting the next section of steel bars.

9. The prefabricated box girder production line according to claim 7 is characterized in that: The dispersing mechanism (201) comprises a dispersing motor (2011) below the frame, a rotatable dispersing cam (2010) is connected above the dispersing motor (2011), a conveyor belt (2012) is provided above the frame, and a flow limiting plate (2013) is provided on one side of the conveyor belt (2012); The dispersing mechanism (201) disperses the bundled steel bars through the dispersing cam (2010), the conveyor belt (2012) conveys the steel bars in the direction of the flow limiting plate (2013), the dispersing cam (2010) disperses the steel bars in the opposite direction, and the flow limiting plate (2013) limits the steel bars to pass through only one at a time.

10. The prefabricated box girder production line according to claim 7, characterized in that: The conveying mechanism (206) comprises a lifting and retractable material guide wheel (207) and a material guide frame (208) provided on one side close to the material distributing platform (3); a plurality of material guide baffles (209) are provided above the material guide frame (208); and a swingable material guide rod (210) is provided at the front end of the material guide frame (208).

11. The prefabricated box girder production line according to claim 5, characterized in that: The material distribution platform (3) comprises a plurality of evenly distributed platform frames (302) and a lifting mechanism (301), wherein transversely movable frames (304) are provided on both sides of the platform frames (302), a lift frame (305) that can be lifted and lowered is provided on one side of the transversely movable frame (304), and a movable bracket (303) that can be lifted and lowered is provided on the top of the lift frame.

12. The prefabricated box girder production line according to claim 11, characterized in that: The lifting mechanism (301) comprises a layering frame (317), and layering electric cylinders (318) are symmetrically fixed on both sides of the layering frame (317). The output end of the layering electric cylinder (318) is provided with a layering slide plate (319) that can be lifted and moved on the layering frame (317). A layering cross bar (320) extends from one side of the layering slide plate (319), and a plurality of power rollers (321) are provided on the layering cross bar (320).

13. The prefabricated box girder production line according to claim 9, characterized in that: A proximity sensor is provided at the bottom of the movable bracket (303) for sensing whether a steel bar is present on the movable bracket (303).

14. The prefabricated box girder production line according to claim 5, characterized in that: The bottom welding assembly (5) comprises a bottom welding track (501) provided below, a plurality of movable bottom welding movable seats (502) provided above the bottom welding track (501), a bottom welding telescopic rod (503) provided on the bottom welding movable seat (502), and a bottom rotating welding gun (504) provided at the top end of the bottom welding telescopic rod (503); The bottom layer rotary welding gun (504) is used to weld the intersection of the lower layer longitudinal reinforcement (11) and the fixed-length stirrup (12); The upper layer welding assembly (7) comprises an upper layer welding track (701), a plurality of movable upper layer welding movable seats (702) are arranged on the upper layer welding track (701), an upper layer welding telescopic rod (703) is arranged below the upper layer welding movable seat (702), and an upper layer rotating welding gun (704) is arranged at the bottom end of the upper layer welding telescopic rod (703); The upper rotary welding gun (704) is used to weld the intersection of the upper longitudinal reinforcement (10) and the fixed-length stirrup (12), and each upper rotary welding gun (704) or bottom rotary welding gun (504) can weld the intersections on both sides thereof.

15. The prefabricated box girder production line according to claim 5, characterized in that: The stirrup bending assembly (6) comprises a bending platform (601), and bending mechanisms (602) are symmetrically arranged on both sides of the bending platform (601). After the fixed-length stirrups (12) are bent, they are positioned in the vertical direction by the positioning plates (603). The bending platform (601) is provided with rollable conveying rollers (604) to facilitate the transportation of the steel cage on a plane.

16. The prefabricated box girder production line according to claim 5, characterized in that: The longitudinal reinforcement traction assembly (8) comprises a traction guide rail (801), a movable traction frame (802) is provided on the traction guide rail (801), and an upper traction clamping claw (803) and a lower traction clamping claw (805) are provided on a side of the traction frame (802) close to the longitudinal reinforcement; Anti-slip grooves are provided at the clamping jaws of the upper traction clamping jaw (803) and the lower traction clamping jaw (805) to prevent the longitudinal reinforcement from slipping and loosening when clamping.

17. A method for digitally forming a prefabricated box girder steel bar block, characterized in that The following steps are involved: S1, straightening and cutting the wire rod steel bars to a certain length, and then loading them onto the upper layer of the material distribution platform (3); S2, the upper layer of the material distribution platform (3) rises so that the wire rod steel bars serve as the upper longitudinal reinforcement (10); S3, straightening the rod-shaped steel bars and conveying them to the butt welding mechanism (204) for lengthening, and then cutting them to a predetermined length and conveying them to the lower layer of the material distribution platform (3) as the lower longitudinal reinforcement (11); S4, placing the longitudinal bars one by one on the movable bracket (303), moving the longitudinal bar pulling assembly (8) to the end of the longitudinal bar to clamp and fix it and prepare to drag it; S5, straightening and cutting the wire rod steel bars into fixed-length stirrups (12) and conveying them to the bottom welding assembly (5); S6, the intersection position of the bottom layer welding assembly (5) welding the lower layer longitudinal reinforcement (11) and the fixed-length stirrup (12); S7, the longitudinal reinforcement pulling assembly (8) pulls the longitudinal reinforcement according to the set stirrup spacing, so that the fixed-length stirrups (12) that have been welded to the lower longitudinal reinforcement (11) are moved to the stirrup bending assembly (6); S8, the stirrup bending assembly (6) automatically bends the fixed-length stirrup (12) as required; S9, the upper layer welding assembly (7) welds the intersection of the upper layer longitudinal reinforcement (10) and the fixed-length stirrup (12); S10, repeating steps S6-S9 until all stirrups and longitudinal bars are connected according to the designed spacing, and finally producing a steel bar block (13) on the block forming platform (9).

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