Bridge prefabricated reinforcing mesh production device and method

Abstract

The invention relates to a bridge prefabricated reinforcement mesh production device and method. The bridge prefabricated reinforcement mesh production device comprises a transverse reinforcement queue mechanism, a longitudinal reinforcement queue mechanism, a transverse reinforcement conveying mechanism and a butt welding mechanism. The transverse bar queue mechanism and the longitudinal bar queue mechanism are distributed on the rack in the transverse direction and the longitudinal direction correspondingly and each comprise a material storage bin, a material stirring disc and a limiting shell. The transverse bar conveying mechanism comprises a conveying belt, a conveying unit, a bracket, a bracket, a lifting assembly and a conveying roller. The butt welding mechanism comprises a welding head, a lifting seat and a positioning seat. Firstly, the transverse bars are arranged on the conveying belt according to the preset interval and number queue, then the transverse bars are lifted to another space in a lifting mode, and therefore the conveying belt can continuously convey the transverse bars, and the production efficiency of reinforcing mesh pieces is improved; and the situation that space is occupied due to conveying of the transverse bars in the production process is avoided, uninterrupted feeding can be achieved, the feeding speed of the transverse bars is greatly increased, and the transverse bar feeding device is particularly suitable for the production requirement of large-scale steel bar meshes.

Description

Technical Field

[0001] The invention relates to the technical field of bridge steel mesh production, and in particular to a bridge prefabricated steel mesh production device and method. Background Art

[0002] In the field of steel bar forming for large components such as bridges, manual binding still dominates the processing method. This method is not only extremely labor-intensive, resulting in high labor costs, but also has low processing efficiency, serious material waste, difficult to guarantee the quality of finished products, and unstable production efficiency.

[0003] The welding machine is a device specially used for welding cross-arranged steel bars. In the workflow of traditional welding machines, the loading process of longitudinal steel bars depends on the manual operation of operators, who need to place the steel bars one by one on the loading platform, which is troublesome and inefficient.

[0004] Prior art, such as the invention patent with patent number 202210301169.5, discloses an integrated and meshed production device and production process for prefabricated steel bars of large bridge components, including a longitudinal steel bar placing mechanism, a support frame, a welding machine, a blanking and traction platform, a transverse steel bar placing device, a storage mechanism and a correction mechanism. The support frame is installed on the placement ground through expansion bolts, a welding machine is installed on the top of the support frame, a longitudinal steel bar placing mechanism is installed on one side of the support frame, a blanking and traction platform is installed on the other side of the support frame, a transverse steel bar placing device is installed on the top of the blanking and traction platform close to the welding machine, a storage mechanism is placed horizontally on the outer side of the longitudinal steel bar placing mechanism, and a correction mechanism is connected to the end of the longitudinal steel bar placing mechanism facing away from the welding machine, and the longitudinal steel bar placing mechanism includes a supporting slide rail placed parallel to one side of the support frame.

[0005] In the prior art, the transverse reinforcements are first arranged in a queue and laid out on a conveyor belt. In order to translate the transverse reinforcements, the transverse reinforcements and the foundation on which they are placed are generally translated together. Only after the translation of this part of the transverse reinforcements is completed can other transverse reinforcements be loaded, resulting in slow transverse reinforcement loading speed and low work efficiency. Based on this, it is necessary to study a bridge prefabricated steel mesh production device and method. Summary of the invention

[0006] In view of this, the purpose of the present invention is to provide a bridge prefabricated steel mesh production device and method, which effectively solves the existing problems of slow cross-bar feeding speed, inability to perform continuous feeding, and low production efficiency.

[0007] To achieve the above-mentioned purpose, the technical scheme adopted by the present invention is: a bridge prefabricated steel mesh production device, including a transverse reinforcement queue mechanism, a longitudinal reinforcement queue mechanism, a transverse reinforcement transmission mechanism and a butt welding mechanism; the transverse reinforcement queue mechanism and the longitudinal reinforcement queue mechanism are respectively distributed on the frame in the transverse direction and the longitudinal direction, and both include a storage bin, a material dial and a limiting shell; the upper part of the storage bin is open, and the lower part is provided with a gradually narrowing guide port, and a material dial is provided at the end of the guide port. The material dial can be driven to rotate, and a material dial corresponding to the end of the guide port is provided on the material dial, and the limiting shell is arranged on the outer side of the material dial to limit the outer side of the material dial, and a discharge port corresponding to the material dial slot is provided on the limiting shell, so that the steel bars can be discharged one by one from the discharge port; The transverse rib conveying mechanism includes a conveyor belt, a conveying unit, a bracket, a bracket, a lifting assembly and a conveying roller; a plurality of groups of conveying units are evenly distributed in the horizontal direction on the conveyor belt, each group of conveying units includes a plurality of conveying seats arranged at intervals, corresponding support grooves are arranged on the conveying seats, and there is an avoidance zone between the conveying seats; as the conveyor belt is conveyed, the support grooves can correspond to the material shifting grooves one by one through the discharge port; The bracket is connected to the fixed base via a lifting assembly, and multiple groups of brackets are fixed to the bottom of the bracket, and the brackets correspond to the avoidance areas one by one, and brackets are arranged on the brackets, and the brackets can move relative to the conveyor belt and correspond to the conveying seats from the avoidance areas, and lift the transverse ribs placed in the support grooves from the bottom; the conveying rollers are rotatably arranged on the fixed base, and multiple groups are arranged in the longitudinal direction, and as the lifting assembly lifts the bracket, a pinching area is formed between the conveying rollers and the brackets; The butt welding mechanism includes a welding head, a lifting seat and a positioning seat. The lifting seat is connected to the lifting assembly and can perform lifting actions. The welding head is fixed on the lifting seat. A positioning seat is arranged on the lifting seat. A positioning groove is arranged on the positioning seat. The welding head corresponds to the positioning groove. The longitudinal ribs are discharged from the discharge port and fall into the positioning groove.

[0008] Furthermore, the material-dispensing plate comprises a driving shaft and a plate body, a plurality of groups of plate bodies are fixed at intervals on the driving shaft, and each group of plate bodies is provided with a corresponding material-dispensing groove; the conveyor belt is driven to rotate by the conveying shaft, and the driving shaft is transmission-connected to the conveying shaft.

[0009] Furthermore, a positioning block is provided on the conveyor belt, a distance measuring board is provided on the positioning block, and a distance measuring sensor is provided corresponding to the distance measuring board to obtain the position information of the conveyor belt.

[0010] Furthermore, based on the position information, the bracket is lowered by the lifting assembly so that the bracket is located between adjacent transverse ribs, and after the conveyor belt moves a specific distance, the bracket is made to correspond to the conveying seat.

[0011] Furthermore, a lifting member and a positioning rod group are arranged between the bracket and the fixed base.

[0012] Furthermore, the conveying roller includes a first pinching roller and a second pinching roller, wherein the first pinching roller corresponds to the support seat, and a fixed seat is provided at the lower part of the second pinching roller to form a pinching mechanism, and the pinching mechanism is located at the front side of the welding mechanism.

[0013] Furthermore, the transverse reinforcement queue mechanism and the transverse reinforcement conveying mechanism are provided with two groups correspondingly to synchronously convey the transverse reinforcements from both sides to the middle area.

[0014] Furthermore, the brackets on both sides are arranged on the lifting frame for longitudinal sliding, the lifting assembly is connected to the lifting frame, an adjusting mechanism is arranged between the brackets on both sides, the adjusting mechanism includes a reverse-threaded screw, a sliding sleeve and a driving motor, and sliding sleeves are correspondingly arranged on the brackets on both sides, the sliding sleeves are correspondingly connected to the two sides of the reverse-threaded screw, the reverse-threaded screw is rotatably arranged on the lifting frame, and is transmission-connected to the driving motor.

[0015] A method for producing prefabricated steel mesh for bridges, using the above-mentioned prefabricated steel mesh production device for bridges, comprises the following steps: Step 1: Cut the steel bars into transverse and longitudinal bars of corresponding lengths according to the design drawings, clean and maintain the transverse and longitudinal bars, and then place them in the corresponding storage bins; Step 2: The material disc works. When the material disc's material disc slot corresponds to the outlet of the storage bin, the material disc slot obtains a transverse rib. The material disc continues to rotate. When the material disc slot corresponds to the outlet, the conveying seat of the conveyor belt corresponds to it. Due to gravity, the transverse rib is transferred to the conveying seat. Step 3: The conveyor belt is working, and the conveyor seat obtains the transverse ribs one by one, so that a plurality of transverse ribs are arranged at equal intervals above the conveyor belt, and then the conveyor belt is stopped; Step 4: The lifting assembly works and lowers the bracket so that the bracket falls to a position close to the conveyor belt. The conveyor belt works a specific distance so that the bracket enters the avoidance zone and corresponds to the conveyor seat, and the conveyor belt stops; Step 5: Start the lifting assembly to lift the bracket and drive the plurality of transverse ribs to the position of the conveying roller; Step 6: Start the conveying roller to convey the transverse ribs forward to the welding station; Step seven: As the transverse reinforcement is transmitted forward, the longitudinal reinforcements enter the positioning grooves one by one, and the lifting seat works downward to place the longitudinal reinforcements on the transverse reinforcements longitudinally. At the same time, the welding head welds the joints until a steel mesh of a preset size is formed.

[0016] Furthermore, the transverse ribs are delivered to the conveyor belt by synchronous transport from both sides, the brackets on both sides are slidably arranged on the lifting frame, and the driving mechanism between the brackets drives the brackets to move synchronously inward or outward, so that the brackets enter the avoidance area and correspond to the conveying seat, and finally the transverse ribs are synchronously lifted to the bottom of the conveying roller.

[0017] The beneficial effect of the above technical solution is: in view of the problems existing in the existing steel mesh production device, the present invention improves the feeding method of the transverse reinforcement to increase the feeding speed of the transverse reinforcement and improve the production efficiency of the steel mesh. The concept of the present invention is to first arrange the transverse reinforcement on the conveyor belt according to the preset spacing and quantity queue, and then lift the transverse reinforcement to another space by lifting, so that the conveyor belt can continuously transport the transverse reinforcement, thereby accelerating the production efficiency of the steel mesh.

[0018] In order to lift the transverse reinforcement, the present invention is provided with a bracket capable of lifting and lowering above the conveyor belt, and a support seat is provided at the bottom of the bracket, which corresponds to the avoidance area between the support seat and the conveyor seat, so as to lift the transverse reinforcement from the bottom to separate it from the conveyor belt, and as the transverse reinforcement is lifted, the transverse reinforcement is made to correspond to the conveying roller above, and under the action of the conveying roller, the transverse reinforcement is transported forward in the transverse direction, and under the action of the welding head, the longitudinal reinforcement and the transverse reinforcement are welded together.

[0019] In order to enable the support to enter the bottom of the conveying seat and lift the transverse ribs with the help of the lifting assembly, the present invention adopts two implementation methods to realize the relative movement of the support and the conveyor belt. First, the translation function of the conveyor belt itself is used. Based on the position of the conveyor belt, it stops at a specific location, and then the support is moved downward and corresponds to the avoidance area. Then the conveyor belt is translated to make the support enter the avoidance area. At this time, the support corresponds to the conveying seat and is at the bottom of the transverse ribs. The lifting assembly is started to lift the transverse ribs until the upper part of the transverse ribs fits the conveying roller. Under the action of the conveying roller, the transverse ribs are transmitted forward. Second, the conveyor belt does not move. The present invention uses two conveyor belts to transmit from both sides respectively, and a driving mechanism is configured between the two brackets so that the bracket carries the support to translate, thereby realizing the relative movement of the support and the conveyor belt.

[0020] In addition, the device of the present invention can use conveyor belts on both sides to transport the transverse reinforcement. This feeding method can greatly speed up the feeding speed and is particularly suitable for the production of large-scale steel mesh.

[0021] Therefore, the present invention improves the way of loading the transverse reinforcement, adopts mechanisms such as automatic loading by a feeding plate, continuous conveying by a conveyor belt, lifting and moving of a bracket, and clamping and feeding by a conveyor roller, thereby achieving efficient and precise alignment and welding of the transverse reinforcement and the longitudinal reinforcement, significantly improving the production efficiency and quality of the steel mesh, avoiding the space occupied by the transmission of the transverse reinforcement during the production process, achieving uninterrupted loading, and greatly improving the loading speed of the transverse reinforcement, and is particularly suitable for the production needs of large steel meshes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the implementation structure of the present invention; Figure 2 It is a schematic diagram of the structure of the transverse reinforcement transmission mechanism; Figure 3It is a schematic diagram of the implementation structure of the bracket and the bracket; Figure 4 for Figure 3 Schematic diagram of the main structure; Figure 5 It is a schematic diagram of the implementation structure of the transverse transmission of the transverse reinforcement; Figure 6 It is a schematic diagram of the implementation structure of double-side feeding; Figure 7 It is a schematic diagram of another relative displacement implementation structure of the conveyor belt and the bracket.

[0023] Figure markings: 1-storage bin, 2-guide port, 3-feeding plate, 4-feeding groove, 5-limiting shell, 6-discharging port, 7-conveyor belt, 8-conveyor seat, 81-avoidance area, 9-support groove, 10-bracket, 11-positioning assembly, 12-lifting assembly, 13-bracket, 14-conveyor roller, 141-first pinch roller, 142-second pinch roller, 15-cross rib, 16-fixed seat, 17-lifting member, 18-lifting seat, 19-welding head, 20-positioning seat, 21-positioning groove, 22-lifting frame, 23-slider, 24-reverse threaded screw, 25-sleeve. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: Embodiment 1, this embodiment aims to provide a bridge prefabricated steel mesh production device and method, which is mainly used to produce customized steel mesh using cut transverse and longitudinal bars, that is, the transverse and longitudinal bars are cut in advance and multiple fixed-length steel bars are formed, thereby avoiding subsequent cutting work. For example, for some thicker steel bars, it is difficult to directly apply cutting. In view of the slow steel bar feeding speed of the existing steel mesh production device, especially during the steel bar transmission process, the feeding equipment participates in the translation work, resulting in slow transverse bar feeding speed, this embodiment provides a bridge prefabricated steel mesh production device.

[0025] like Figure 1 As shown in the figure, a bridge prefabricated steel mesh production device includes a transverse reinforcement queue mechanism, a longitudinal reinforcement queue mechanism, a transverse reinforcement transmission mechanism and a butt welding mechanism; in this embodiment, the transverse reinforcement queue mechanism and the longitudinal reinforcement queue mechanism are respectively distributed on the frame in the transverse direction and the longitudinal direction. During the specific implementation, the transverse reinforcement queue mechanism is arranged on the side and in the transverse direction; the longitudinal reinforcement queue mechanism is arranged in the middle area of ​​the frame and in the longitudinal direction, so that the transverse reinforcement enters the frame from the side in the transverse direction and is combined with the longitudinal reinforcement. Finally, the connection points are welded by the butt welding mechanism to form a steel mesh that does not require subsequent cutting.

[0026] In this embodiment, the transverse reinforcement queue mechanism and the longitudinal reinforcement queue mechanism are basically the same, and both include a storage bin, a material dial and a limit shell; the upper part of the storage bin is open, and the lower part is provided with a gradually shrinking guide port. During implementation, the guide port is gradually reduced, and due to gravity, a steel bar is allowed to pass through and be in the guide port. The guide port is blocked by the side of the material dial. As the material dial rotates, the guide port is connected to the internal area of ​​the material dial, thereby releasing a transverse reinforcement.

[0027] A material-dispensing plate is provided at the end of the guide port, which can be driven to rotate and has a material-dispensing slot corresponding to the end of the guide port. A limiting shell is arranged on the outside of the material-dispensing plate to limit the outside of the material-dispensing slot. A material-dispensing port corresponding to the material-dispensing slot is provided on the limiting shell, so that the steel bars can be discharged one by one from the material-dispensing port. Figure 1 As shown in the figure, the feeding disc rotates clockwise and obtains the transverse ribs from the upper side, and then moves downward. In order to prevent the transverse ribs from falling, the feeding trough is limited by the limiting shell, and the transverse ribs are released at the discharge port.

[0028] The transverse rib conveying mechanism includes a conveyor belt, a conveying unit, a support seat, a bracket, a lifting assembly and a conveying roller; a plurality of groups of conveying units are evenly distributed along the horizontal direction of the conveyor belt, and each group of conveying units includes a plurality of conveying seats arranged at intervals, and corresponding support grooves are arranged on the conveying seats, and there are avoidance areas between the conveying seats; as the conveyor belt is transported, the support grooves can correspond one by one with the material selection grooves through the discharge port; during implementation, the conveying seat is fixed on the conveyor belt, and the middle part of the conveying seat is arranged on the conveyor belt, and the bottom can be connected to the conveyor belt through a deformable base to adapt to the deformation of the conveyor belt when it turns, and has a supporting foundation on the plane.

[0029] like Figure 2 As shown in , the conveying seats are arranged at intervals, and there are avoidance areas between adjacent conveying seats. When the steel bars are placed in the support grooves, there is a gap between the bottom thereof and the conveyor belt, and the gap is used to place the support seats therein and lift the transverse bars from the bottom.

[0030] like Figure 3-4 As shown in the figure, the bracket is connected to the fixed base via a lifting assembly, and a lifting member and a positioning rod group are arranged between the bracket and the fixed base. The lifting and lowering of the bracket is realized by lifting members such as a screw lifting structure and an oil cylinder. A plurality of groups of brackets are fixed to the bottom of the bracket, and the brackets correspond to the avoidance areas one by one, and brackets are arranged on the brackets. The brackets can move relative to the conveyor belt and correspond to the conveying seats from the avoidance areas to lift the transverse reinforcement placed in the supporting grooves from the bottom; the bracket is in an L-shaped structure, which has a groove opening upward, and its main body can enter the bottom of the transverse reinforcement from the side, and lift the transverse reinforcement as it is lifted, so that the transverse reinforcement is separated from the conveying seat.

[0031] The conveying roller is rotatably arranged on a fixed basis, and multiple groups are arranged in the longitudinal direction. One end of the conveying roller is connected to the driving motor. As the lifting assembly lifts the bracket, a clamping area is formed between the conveying roller and the bracket. During implementation, the conveying roller can be a cylindrical structure with a flexible rubber layer on its surface, which provides forward power to the transverse ribs as it rotates.

[0032] In specific implementation, the conveying roller includes a first pinching roller and a second pinching roller, wherein the first pinching roller corresponds to the support seat, and a fixed seat is arranged at the lower part of the second pinching roller to form a pinching mechanism, and the pinching mechanism is located at the front side of the welding mechanism.

[0033] like Figure 5 As shown in , the welding mechanism includes a welding head, a lifting seat and a positioning seat. The lifting seat is connected to the lifting assembly. The lifting assembly can be inserted into a lifting mechanism such as a lifting cylinder to drive the welding head to move up and down so that the welding head can perform lifting and lowering movements. The welding head is fixed on the lifting seat. A positioning seat is provided on the lifting seat. A positioning slot is provided on the positioning seat. The welding head corresponds to the positioning slot. The longitudinal reinforcement is discharged from the discharge port and falls into the positioning slot. The longitudinal reinforcement is released one by one through the longitudinal reinforcement queue mechanism and supported by the positioning seat. Then the lifting assembly works to place the longitudinal reinforcement in the corresponding position. That is, when the longitudinal reinforcement falls, the longitudinal reinforcement may not contact the transverse reinforcement, and the lifting of the lifting assembly places the longitudinal reinforcement in the corresponding position to prepare the longitudinal reinforcement in advance and improve the smoothness of the work. After the longitudinal reinforcement is placed on the transverse reinforcement, the welding head performs welding work on the connection between the transverse reinforcement and the longitudinal reinforcement.

[0034] In order to obtain the position information of the conveyor belt, a positioning block can be set on the conveyor belt, and a distance measuring board can be set on the positioning block. The distance measuring board corresponds to a distance measuring sensor to obtain the position information of the conveyor belt. The distance measuring board faces the side, and when it moves to the horizontal section, the distance measuring board can correspond to the distance measuring sensor, so as to obtain the position information of the conveyor belt through the distance information.

[0035] Regarding the relative displacement between the conveyor belt and the support, this embodiment uses the movement of the conveyor belt as the source of mutual displacement. During implementation, based on the position information, the bracket is lowered by the lifting assembly so that the support is located between adjacent transverse ribs. After the conveyor belt moves a specific distance, the support is made to correspond to the conveyor seat.

[0036] Utilizing the translation function of the conveyor belt itself, based on the position of the conveyor belt, it stops at a specific location, then moves the support downward and corresponds to the avoidance area, then the conveyor belt translates to make the support enter the avoidance area, at this time the support corresponds to the conveying seat and is at the bottom of the transverse rib, starts the lifting assembly, lifts up the transverse rib until the upper part of the transverse rib fits with the conveying roller, and under the action of the conveying roller, the transverse rib is conveyed forward.

[0037] This embodiment provides a method for producing prefabricated steel mesh for bridges, comprising the following steps: Step 1: Cut the steel bars into transverse and longitudinal bars of corresponding lengths according to the design drawings, clean and maintain the transverse and longitudinal bars, and then place them in the corresponding storage bins; Step 2: The material disc works. When the material disc's material disc slot corresponds to the outlet of the storage bin, the material disc slot obtains a transverse rib. The material disc continues to rotate. When the material disc slot corresponds to the outlet, the conveying seat of the conveyor belt corresponds to it. Due to gravity, the transverse rib is transferred to the conveying seat. Step 3: The conveyor belt is working, and the conveyor seat obtains the transverse ribs one by one, so that a plurality of transverse ribs are arranged at equal intervals above the conveyor belt, and then the conveyor belt is stopped; Step 4: The lifting assembly works and lowers the bracket so that the bracket falls to a position close to the conveyor belt. The conveyor belt works a specific distance so that the bracket enters the avoidance zone and corresponds to the conveyor seat, and the conveyor belt stops; Step 5: Start the lifting assembly to lift the bracket and drive the plurality of transverse ribs to the position of the conveying roller; Step 6: Start the conveying roller to convey the transverse ribs forward to the welding station; Step seven: As the transverse reinforcement is transmitted forward, the longitudinal reinforcements enter the positioning grooves one by one, and the lifting seat works downward to place the longitudinal reinforcements on the transverse reinforcements longitudinally. At the same time, the welding head welds the joints until a steel mesh of a preset size is formed.

[0038] Therefore, this embodiment configures a lifting and moving bracket above the conveyor belt, and a bracket is configured at the bottom of the bracket, which corresponds to the avoidance area between the bracket and the conveying seat, so that the transverse reinforcement can be lifted from the bottom to separate it from the conveyor belt, and as the transverse reinforcement is lifted, the transverse reinforcement is aligned with the conveying roller above, and under the action of the conveying roller, the transverse reinforcement is transported forward in the transverse direction, and under the action of the welding head, the longitudinal reinforcement and the transverse reinforcement are welded together; the production efficiency and quality of the steel mesh are significantly improved, and the space occupied by the transmission of the transverse reinforcement during the production process is avoided, and uninterrupted loading can be achieved, which greatly improves the loading speed of the transverse reinforcement, and is particularly suitable for the production needs of large steel mesh.

[0039] Embodiment 2, this embodiment further illustrates the implementation structure of the material transfer plate and the conveyor belt.

[0040] The material-dispensing disc comprises a driving shaft and a disc body, a plurality of sets of disc bodies are fixed at intervals on the driving shaft, and each set of disc bodies is provided with a corresponding material-dispensing groove; the conveyor belt is driven to rotate by the conveying shaft, and the driving shaft is transmission-connected to the conveying shaft.

[0041] This embodiment links the material-dispensing plate with the conveyor belt to ensure the linkage between the two, so that the conveying seat and the material-dispensing groove have a corresponding relationship, and has a small power source and a compact structure, thereby reducing costs and equipment footprint.

[0042] Embodiment 3: This embodiment provides a double-sided loading implementation method, which adopts the method of synchronous loading on both sides, and can significantly improve the loading speed.

[0043] In this embodiment, two groups of transverse reinforcement queue mechanisms and transverse reinforcement transmission mechanisms are correspondingly provided to synchronously convey transverse reinforcements from both sides to the middle area. At the same time, the brackets on both sides are slidably arranged on the lifting frame along the longitudinal direction, and the lifting assembly is connected to the lifting frame. An adjustment mechanism is arranged between the brackets on both sides, and the adjustment mechanism includes a reverse threaded screw, a sliding sleeve and a driving motor. The brackets on both sides are correspondingly provided with sliding sleeves, and the sliding sleeves are correspondingly connected to both sides of the reverse threaded screw. The reverse threaded screw is rotatably arranged on the lifting frame and is connected to the driving motor in a transmission manner. In the implementation, the driving motor is a servo motor, and the translational movement of the brackets on both sides relative to the lifting frame is realized by controlling the forward and reverse rotation of the driving motor, so that the bracket finally enters under the transverse reinforcement.

[0044] The transverse ribs are delivered to the conveyor belt by synchronous conveying from both sides. The brackets on both sides are slidably arranged on the lifting frame, and the driving mechanism between the brackets drives the brackets to move synchronously inward or outward, so that the brackets enter the avoidance area and correspond to the conveying seat, and finally the transverse ribs are synchronously lifted to the bottom of the conveying roller.

[0045] The above-described embodiments of the present invention do not constitute a limitation on the protection scope of the present invention. The basic concept of the present invention is to use mechanisms such as automatic feeding of the material dial, continuous conveying of the conveyor belt, lifting and moving of the bracket, and clamping of the conveyor roller to achieve efficient and accurate alignment and welding of the transverse and longitudinal reinforcements, significantly improving the production efficiency and quality of the steel mesh. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A bridge prefabricated steel mesh production device, characterized by: It includes a transverse reinforcement queue mechanism, a longitudinal reinforcement queue mechanism, a transverse reinforcement transmission mechanism and a butt welding mechanism; the transverse reinforcement queue mechanism and the longitudinal reinforcement queue mechanism are respectively distributed on the frame in the transverse direction and the longitudinal direction, and both include a storage bin, a material dial and a limiting shell; the upper part of the storage bin is open, and the lower part is provided with a gradually narrowing guide port, and a material dial is provided at the end of the guide port, and the material dial can be driven to rotate, and a material dial corresponding to the end of the guide port is provided on the material dial, and the limiting shell is arranged on the outer side of the material dial to limit the outer side of the material dial, and a discharge port corresponding to the material dial slot is provided on the limiting shell, so that the steel bars can be discharged one by one from the discharge port; The transverse rib conveying mechanism includes a conveyor belt, a conveying unit, a bracket, a bracket, a lifting assembly and a conveying roller; a plurality of groups of conveying units are evenly distributed in the horizontal direction on the conveyor belt, each group of conveying units includes a plurality of conveying seats arranged at intervals, corresponding support grooves are arranged on the conveying seats, and there is an avoidance zone between the conveying seats; as the conveyor belt is conveyed, the support grooves can correspond to the material shifting grooves one by one through the discharge port; The bracket is connected to the fixed base via a lifting assembly, and multiple groups of brackets are fixed to the bottom of the bracket, and the brackets correspond to the avoidance areas one by one, and brackets are arranged on the brackets, and the brackets can move relative to the conveyor belt and correspond to the conveying seats from the avoidance areas, and lift the transverse ribs placed in the support grooves from the bottom; the conveying rollers are rotatably arranged on the fixed base, and multiple groups are arranged in the longitudinal direction, and as the lifting assembly lifts the bracket, a pinching area is formed between the conveying rollers and the brackets; The butt welding mechanism includes a welding head, a lifting seat and a positioning seat. The lifting seat is connected to the lifting assembly and can perform lifting actions. The welding head is fixed on the lifting seat. A positioning seat is arranged on the lifting seat. A positioning groove is arranged on the positioning seat. The welding head corresponds to the positioning groove. The longitudinal ribs are discharged from the discharge port and fall into the positioning groove.

2. The bridge prefabricated steel mesh production device according to claim 1 is characterized by: The material-dispensing disc comprises a driving shaft and a disc body, a plurality of sets of disc bodies are fixed at intervals on the driving shaft, and each set of disc bodies is provided with a corresponding material-dispensing groove; the conveyor belt is driven to rotate by the conveying shaft, and the driving shaft is in transmission connection with the conveying shaft.

3. The bridge prefabricated steel mesh production device according to claim 1 is characterized by: The conveyor belt is provided with a positioning block, the positioning block is provided with a distance measuring board, and the distance measuring board corresponds to a distance measuring sensor to obtain the position information of the conveyor belt.

4. The bridge prefabricated steel mesh production device according to claim 3 is characterized by: Based on the position information, the bracket is lowered by the lifting assembly so that the bracket is located between adjacent transverse ribs. After the conveyor belt moves a specific distance, the bracket is aligned with the conveyor seat.

5. The bridge prefabricated steel mesh production device according to claim 1 is characterized by: A lifting member and a positioning rod group are arranged between the bracket and the fixed foundation.

6. The bridge prefabricated steel mesh production device according to claim 1 is characterized by: The conveying rollers include a first pinch roller and a second pinch roller, wherein the first pinch roller corresponds to the support seat, and a fixed seat is arranged at the lower part of the second pinch roller to form a pinch mechanism, and the pinch mechanism is located at the front side of the butt welding mechanism.

7. The bridge prefabricated steel mesh production device according to claim 1 is characterized by: The transverse reinforcement queue mechanism and the transverse reinforcement conveying mechanism are correspondingly provided with two groups so as to synchronously convey the transverse reinforcement from both sides to the middle area.

8. The bridge prefabricated steel mesh production device according to claim 7 is characterized by: The brackets on both sides are set on the lifting frame for longitudinal sliding. The lifting assembly is connected to the lifting frame. An adjusting mechanism is set between the brackets on both sides. The adjusting mechanism includes a reverse-threaded screw, a sliding sleeve and a driving motor. The brackets on both sides are correspondingly provided with sliding sleeves. The sliding sleeves are correspondingly connected to the two sides of the reverse-threaded screw. The reverse-threaded screw is rotatably arranged on the lifting frame and is connected to the driving motor for transmission.

9. A method for producing meshes of prefabricated steel bars for bridges, using the device for producing meshes of prefabricated steel bars for bridges as claimed in claim 1, characterized in that: The steps include: Step 1: Cut the steel bars into transverse and longitudinal bars of corresponding lengths according to the design drawings, clean and maintain the transverse and longitudinal bars, and then place them in the corresponding storage bins; Step 2: The material disc works. When the material disc's material disc slot corresponds to the outlet of the storage bin, the material disc slot obtains a transverse rib. The material disc continues to rotate. When the material disc slot corresponds to the outlet, the conveying seat of the conveyor belt corresponds to it. Due to gravity, the transverse rib is transferred to the conveying seat. Step 3: The conveyor belt is working, and the conveyor seat obtains the transverse ribs one by one, so that a plurality of transverse ribs are arranged at equal intervals above the conveyor belt, and then the conveyor belt is stopped; Step 4: The lifting assembly works and lowers the bracket so that the bracket falls to a position close to the conveyor belt. The conveyor belt works a specific distance so that the bracket enters the avoidance zone and corresponds to the conveyor seat, and the conveyor belt stops; Step 5: Start the lifting assembly to lift the bracket and drive the plurality of transverse ribs to the position of the conveying roller; Step 6: Start the conveying roller to convey the transverse ribs forward to the welding station; Step seven: As the transverse reinforcement is transmitted forward, the longitudinal reinforcements enter the positioning grooves one by one, and the lifting seat works downward to place the longitudinal reinforcements on the transverse reinforcements longitudinally. At the same time, the welding head welds the joints until a steel mesh of a preset size is formed.

10. The method for producing prefabricated steel mesh for bridges according to claim 9, characterized in that: The transverse ribs are delivered to the conveyor belt by synchronous conveying from both sides. The brackets on both sides are slidably arranged on the lifting frame, and the driving mechanism between the brackets drives the brackets to move synchronously inward or outward, so that the brackets enter the avoidance area and correspond to the conveying seat, and finally the transverse ribs are synchronously lifted to the bottom of the conveying roller.

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