Automatic width-adjusting conveying frame for steel arch production line

Abstract

The utility model relates to a kind of steel arch production line automatic width-adjusting conveying frame, longitudinal conveying frame A front side is equipped with rotary cold bending machine, rotary cold bending machine front side is equipped with cut-off saw bed, cut-off saw bed front side is equipped with flexible welding mechanism, flexible welding mechanism rear left, right side is equipped with carrying robot respectively, and finished product conveying frame is set in cooperation with the front side of flexible welding mechanism;Width-adjusting conveying frame is equipped between cut-off saw bed, flexible welding mechanism;Two linkage assemblies are equipped in cut-off saw bed front side, driving assembly is equipped in linkage assembly left side, each nut A upper surface is equipped with support seat A respectively, each nut B upper surface is equipped with support seat B respectively, each support seat B is fixedly connected with adjacent slider B respectively, the upper surface of front, rear adjacent support seat A is equipped with same chain conveying frame, the upper surface of front, rear adjacent support seat B is equipped with same chain conveying frame.The utility model has the beneficial effects: it is convenient to transfer different length, camber arc-shaped steel arch beam by automatic width-adjusting conveying frame.

Description

Technical Field

[0001] The utility model relates to a width adjusting device, in particular to an automatic width-adjusting conveying rack for a steel arch frame production line. Background Art

[0002] In order to maintain the structural strength of a tunnel, support frames need to be installed in the tunnel, and the upper part of the support frame is an arc-shaped steel arch beam; the arc-shaped steel arch beam is processed through an automatic production line. After the arc-shaped steel arch beam is cut off by a cutting saw machine, the arc-shaped steel arch beam is transferred by a transfer conveying rack. At present, the supporting transfer conveying racks on the existing production lines for processing arc-shaped steel arch beams do not have a width adjusting function, which makes it inconvenient to transfer arc-shaped steel arch beams with different radians. Contents of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an automatic width-adjusting conveying rack for a steel arch frame production line, which solves the problem that the supporting transfer conveying racks on the existing production lines for processing arc-shaped steel arch beams do not have a width adjusting function and are inconvenient to transfer arc-shaped steel arch beams with different radians.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problem is as follows: An automatic width-adjusting conveying rack for a steel arch frame production line, comprising a longitudinal conveying rack A1, a rotary cold bending machine 7, a cutting saw machine 8, a flexible welding mechanism 10, a handling robot 101, a steel plate placement area 102, and a finished product conveying rack 11. The rotary cold bending machine 7 is arranged in matching with the front side of the longitudinal conveying rack A1, the cutting saw machine 8 is arranged in matching with the front side of the rotary cold bending machine 7, the flexible welding mechanism 10 is arranged on the front side of the cutting saw machine 8, the handling robots 101 are respectively arranged on the left and right sides of the rear part of the flexible welding mechanism 10, the steel plate placement areas 102 are respectively arranged on the left and right sides of the rear part of the flexible welding mechanism 10, and the finished product conveying rack 11 is arranged in matching with the front side of the flexible welding mechanism 10; The automatic width-adjusting conveying rack further comprises a width-adjusting conveying rack 9, and the width-adjusting conveying rack 9 is arranged in matching between the cutting saw machine 8 and the flexible welding mechanism 10; The width-adjusting conveyor frame 9 includes a linkage assembly 91, a drive assembly 92, a support base A93, a support base B94, a chain conveyor frame 96, a conveying assembly 97, and a limiting assembly 98. Two linkage assemblies 91 are arranged on the front side of the cutting saw 8. Each linkage assembly 91 includes a ladder-shaped frame A9101, a connecting seat A9102, a connecting seat B9103, a track A9104, a slider A9105, a slider B9106, a positive thread rod 9107, a negative thread rod 9108, a nut A9109, and a nut B9110. A connecting seat A9102 is fixedly installed on the upper left side of each ladder-shaped frame A9101, and a connecting seat A9102 is fixedly installed on the upper right side of each ladder-shaped frame A9101. A connecting seat B9103 is fixedly installed. Tracks A9104 are fixedly installed on the front and rear parts of the upper surface of each ladder-shaped frame A9101. Four sliders A9105 are slidably engaged on the left side of each track A9104, and four sliders B9106 are slidably engaged on the right side of each track A9104. The left part of the positive thread rod 9107 rotates through the connecting seat A9102, and the right part of the negative thread rod 9108 rotates through the connecting seat B9103. Adjacent positive thread rods 9107 and negative thread rods 9108 are fixedly connected. Nuts A9109 are screwed onto the positive thread rod 9107, and nuts B9110 are screwed onto the negative thread rod 9108. The linkage component 91 is fitted with a drive component 92 on its left side. The drive component 92 includes a dual-output shaft reducer A9201, a motor A9202, a connecting seat C9203, a reducer B9204, and a connecting rod 9205. The power output end of the dual-output shaft reducer A9201 on its right side is fixedly connected to the left end of the positive threaded rod 9107 on its rear side. The power input end of the dual-output shaft reducer A9201 is fixedly connected to the main shaft of the motor A9202. The connecting seat C9203 is provided on the front side of the dual-output shaft reducer A9201. The power output end of the reducer B9204 is fixedly connected to the left end of the positive threaded rod 9107 located on the front side. The connecting rod 9205 rotates through the connecting seat C9203, and the rear end of the connecting rod 9205 is fixedly connected to the power output end on the front side of the dual-output shaft reducer A9201. The front end of the connecting rod 9205 is fixedly connected to the power input end of the reducer B9204. Each of the nuts A9109 has a support seat A93 fixedly installed on its upper surface. Each of the support seats A93 is fixedly connected to the adjacent slider A9105. Each of the nuts B9110 has a support seat B94 fixedly installed on its upper surface. Each of the support seats B94 is fixedly connected to the adjacent slider B9106. The same chain conveyor frame 96 is fixedly installed on the upper surfaces of the front and rear adjacent support seats A93. The same chain conveyor frame 96 is fixedly installed on the upper surfaces of the front and rear adjacent support seats B94. The chain conveyor frame 96 includes a U-shaped component 9601, a support plate 9602, a track B9603, a main shaft A9604, a sprocket A9605, a reducer C9606, a motor B9607, a main shaft B9608, a sprocket B9609, and a chain A9610. The same U-shaped component 9601 is fixedly mounted on the upper surface of the support base A93, and the same U-shaped component 9601 is fixedly mounted on the upper surface of the support base B94. Support plates 9602 are fixedly mounted on the upper inner sidewalls of each U-shaped component 9601. Tracks B9603 are fixedly mounted on the upper surface of each support plate 9602. The upper rear side of each U-shaped component 9601 rotatably passes through the main shaft A9604. A sprocket A9605 is fixedly sleeved on each main shaft A9604. 605. A reducer C9606 is fixedly installed on the left side wall of each U-shaped member 9601, and the power output end of each reducer C9606 is fixedly connected to the adjacent main shaft A9604. A motor B9607 is fixedly installed on each reducer C9606, and the main shaft end of each motor B9607 is fixedly connected to the power input end of the adjacent reducer C9606. A main shaft B9608 is rotatably installed on the upper front side of each U-shaped member 9601, and a sprocket B9609 is fixedly sleeved on each main shaft B9608. A chain A9610 is sleeved on each support plate 9602, and each chain A9610 meshes with the adjacent sprocket A9605 and sprocket B9609.

[0005] A conveying assembly 97 is provided on the left side of the support base A93. Two conveying assemblies 97 are provided between the support base A93 and the support base B94. Two conveying assemblies 97 are provided on the right side of the support base B94. Each conveying assembly 97 includes a base plate 9701, an n-shaped component 9702, a cylinder A9703, a guide rod 9704, a ladder-shaped frame B9705, a support base C9706, and a power electric roller 9707. Two base plates 9701 are respectively provided on the lower side of each ladder-shaped frame B9705. The base plates 9701 located on the front side are fixedly connected to the front rail A9104, and the base plates 9701 located on the rear side are fixedly connected to the rear rail A9104. The upper surface of each base plate 9701 is fixed. An n-shaped component 9702 is provided, and a cylinder A9703 is fixedly installed on the top of each n-shaped component 9702. The main shaft of the cylinder A9703 slides through the n-shaped component 9702. A guide rod 9704 slides through each n-shaped component 9702. The main shaft end of each cylinder A9703 is fixedly connected to the upper adjacent ladder-shaped frame B9705. The upper end of each guide rod 9704 is fixedly connected to the upper adjacent ladder-shaped frame B9705. Six support seats C9706 are evenly distributed and fixedly installed on the upper surface of each ladder-shaped frame B9705. A power electric roller 9707 is fixedly installed between the left and right opposite support seats C9706 to facilitate the transverse transfer of the arc-shaped steel arch beam through the conveying assembly 97.

[0006] A limiting component 98 is provided between the two linkage components 91. The limiting component 98 includes a frame B9801, a cylinder B9802, a guide plate 9803, a guide rod 9804, and a positioning plate 9805. The frame B9801 spans the upper side of the connecting seat C9203. The cylinder B9802 is fixedly installed on the front and rear sides of the right side of the upper surface of the frame B9801. A guide plate 9803 is provided on one side of each cylinder B9802 and each guide plate 9803 is fixedly connected to the frame B9801. A guide rod 9804 slides through each guide plate 9803. The same positioning plate 9805 is fixedly installed on the right end of each guide rod 9804, and the main shaft end of each cylinder B9802 is fixedly connected to the positioning plate 9805, so as to facilitate the limiting of the arc-shaped steel arch beam by the limiting component 98.

[0007] The beneficial effects of this utility model are as follows: 1. It facilitates the transfer of curved steel arch beams of different lengths and curvatures via an automatic width-adjusting conveyor frame. 2. It facilitates the lateral transfer of curved steel arch beams via the conveyor assembly. 3. It facilitates the limiting of curved steel arch beams via the limiting assembly. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2This is a schematic diagram of the linkage component of this utility model; Figure 3 This is a partially enlarged view of utility model A; Figure 4 This is a schematic diagram of the structure of the support base A of this utility model; Figure 5 This is a schematic diagram of the chain conveyor frame of this utility model; Figure 6 This is a structural schematic diagram of the U-shaped component of this utility model; Figure 7 This is a partially enlarged view of utility model B; Figure 8 This is a schematic diagram of the structure of sprocket A of this utility model; Figure 9 This is a partially enlarged view of utility model C; Figure 10 This is a partially enlarged view of utility model D; Figure 11 This is a schematic diagram of the structure of the conveying assembly of this utility model; Figure 12 This is a partially enlarged view of utility model E; Figure 13 This is a schematic diagram of the structure of the guide rod of this utility model; Figure 14 This is a schematic diagram of the structure of the electric roller of this utility model.

[0009] Among them, 1-Longitudinal conveyor frame A; 7-Rotary cold bending machine; 8-Cut-off saw; 9-Width adjustment conveyor frame; 91-Linkage assembly; 9101-Ladder-shaped frame A; 9102-Connecting seat A; 9103-Connecting seat B; 9104-Railway A; 9105-Slider A; 9106-Slider B; 9107-Positive thread rod; 9108-Negative thread rod; 9109-Nut A; 9110-Nut B; 92-Drive assembly; 9201-Dual output shaft reducer A; 9202-Motor A; 9203-Connecting seat C; 9204-Reducer B; 9205-Connecting rod; 93-Support seat A; 94-Support seat B; 96-Chain conveyor frame; 9601-U-shaped part; 9602-Support plate 9603-Railway B, 9604-Main Shaft A, 9605-Sprocket A, 9606-Reducer C, 9607-Motor B, 9608-Main Shaft B, 9609-Sprocket B, 9610-Chain A, 97-Conveying Component, 9701-Base Plate, 9702-N-shaped Part, 9703-Cylinder A, 9704-Guide Rod, 9705-Ladder-shaped Frame B, 9706-Support Base C, 9707-Powered Electric Roller, 98-Limiting Component, 9801-Frame B, 9802-Cylinder B, 9803-Guide Plate, 9804-Guide Rod, 9805-Positioning Plate; 10-Flexible Welding Mechanism, 101-Handling Robot, 102-Steel Plate Placement Area; 11-Finished Product Conveying Frame. Detailed Implementation

[0010] The embodiments of this utility model are further described below with reference to the accompanying drawings.

[0011] like Figures 1 to 10 This utility model provides an automatic width-adjusting conveyor frame for a steel arch frame production line, including a longitudinal conveyor frame A1, a rotary cold bending machine 7, a cutting saw 8, a flexible welding mechanism 10, a handling robot 101, a steel plate placement area 102, and a finished product conveyor frame 11. The rotary cold bending machine 7 is arranged in front of the longitudinal conveyor frame A1, the cutting saw 8 is arranged in front of the rotary cold bending machine 7, the flexible welding mechanism 10 is arranged in front of the cutting saw 8, the handling robot 101 is arranged on the left and right sides of the rear of the flexible welding mechanism 10, the steel plate placement area 102 is arranged on the left and right sides of the rear of the flexible welding mechanism 10, and the finished product conveyor frame 11 is arranged in front of the flexible welding mechanism 10. It also includes a width-adjusting conveyor 9, which is configured in cooperation with the cutting saw 8 and the flexible welding mechanism 10. The width-adjusting conveyor frame 9 includes a linkage assembly 91, a drive assembly 92, a support base A93, a support base B94, a chain conveyor frame 96, a conveying assembly 97, and a limiting assembly 98. Two linkage assemblies 91 are arranged on the front side of the cutting saw 8. Each linkage assembly 91 includes a ladder-shaped frame A9101, a connecting seat A9102, a connecting seat B9103, a track A9104, a slider A9105, a slider B9106, a positive thread rod 9107, a negative thread rod 9108, a nut A9109, and a nut B9110. A connecting seat A9102 is fixedly installed on the upper left side of each ladder-shaped frame A9101, and a connecting seat A9102 is fixedly installed on the upper right side of each ladder-shaped frame A9101. A connecting seat B9103 is fixedly installed. Tracks A9104 are fixedly installed on the front and rear parts of the upper surface of each ladder-shaped frame A9101. Four sliders A9105 are slidably engaged on the left side of each track A9104, and four sliders B9106 are slidably engaged on the right side of each track A9104. The left part of the positive thread rod 9107 rotates through the connecting seat A9102, and the right part of the negative thread rod 9108 rotates through the connecting seat B9103. Adjacent positive thread rods 9107 and negative thread rods 9108 are fixedly connected. Nuts A9109 are screwed onto the positive thread rod 9107, and nuts B9110 are screwed onto the negative thread rod 9108. The linkage component 91 is fitted with a drive component 92 on its left side. The drive component 92 includes a dual-output shaft reducer A9201, a motor A9202, a connecting seat C9203, a reducer B9204, and a connecting rod 9205. The power output end of the dual-output shaft reducer A9201 on its right side is fixedly connected to the left end of the positive threaded rod 9107 on its rear side. The power input end of the dual-output shaft reducer A9201 is fixedly connected to the main shaft of the motor A9202. The connecting seat C9203 is provided on the front side of the dual-output shaft reducer A9201. The power output end of the reducer B9204 is fixedly connected to the left end of the positive threaded rod 9107 located on the front side. The connecting rod 9205 rotates through the connecting seat C9203, and the rear end of the connecting rod 9205 is fixedly connected to the power output end on the front side of the dual-output shaft reducer A9201. The front end of the connecting rod 9205 is fixedly connected to the power input end of the reducer B9204. Each of the nuts A9109 has a support seat A93 fixedly installed on its upper surface. Each of the support seats A93 is fixedly connected to the adjacent slider A9105. Each of the nuts B9110 has a support seat B94 fixedly installed on its upper surface. Each of the support seats B94 is fixedly connected to the adjacent slider B9106. The same chain conveyor frame 96 is fixedly installed on the upper surfaces of the front and rear adjacent support seats A93. The same chain conveyor frame 96 is fixedly installed on the upper surfaces of the front and rear adjacent support seats B94. The chain conveyor frame 96 includes a U-shaped component 9601, a support plate 9602, a track B9603, a main shaft A9604, a sprocket A9605, a reducer C9606, a motor B9607, a main shaft B9608, a sprocket B9609, and a chain A9610. The same U-shaped component 9601 is fixedly mounted on the upper surface of the support base A93, and the same U-shaped component 9601 is fixedly mounted on the upper surface of the support base B94. Support plates 9602 are fixedly mounted on the upper inner sidewalls of each U-shaped component 9601. Tracks B9603 are fixedly mounted on the upper surface of each support plate 9602. The upper rear side of each U-shaped component 9601 rotatably passes through the main shaft A9604. A sprocket A9605 is fixedly sleeved on each main shaft A9604. 605. A reducer C9606 is fixedly installed on the left side wall of each U-shaped member 9601, and the power output end of each reducer C9606 is fixedly connected to the adjacent main shaft A9604. A motor B9607 is fixedly installed on each reducer C9606, and the main shaft end of each motor B9607 is fixedly connected to the power input end of the adjacent reducer C9606. A main shaft B9608 is rotatably installed on the upper front side of each U-shaped member 9601, and a sprocket B9609 is fixedly sleeved on each main shaft B9608. A chain A9610 is sleeved on each support plate 9602, and each chain A9610 meshes with the adjacent sprocket A9605 and sprocket B9609.

[0012] At the same time, such as Figures 11 to 12In this embodiment, a conveying assembly 97 is provided on the left side of the support base A93, two conveying assemblies 97 are provided between the support base A93 and the support base B94, and two conveying assemblies 97 are provided on the right side of the support base B94. Each conveying assembly 97 includes a base plate 9701, an n-shaped component 9702, a cylinder A9703, a guide rod 9704, a ladder-shaped frame B9705, a support base C9706, and a power-driven electric roller 9707. Two base plates 9701 are respectively provided on the lower side of each ladder-shaped frame B9705. The base plates 9701 located on the front side are fixedly connected to the front rail A9104, and the base plates 9701 located on the rear side are fixedly connected to the rear rail A9104. The upper surface of each base plate 9701... An n-shaped component 9702 is fixedly installed, and a cylinder A9703 is fixedly installed on the top of each n-shaped component 9702. The main shaft of the cylinder A9703 slides through the n-shaped component 9702. A guide rod 9704 slides through each n-shaped component 9702. The main shaft end of each cylinder A9703 is fixedly connected to the upper adjacent ladder-shaped frame B9705. The upper end of each guide rod 9704 is fixedly connected to the upper adjacent ladder-shaped frame B9705. Six support seats C9706 are evenly distributed and fixedly installed on the upper surface of each ladder-shaped frame B9705. A power electric roller 9707 is fixedly installed between the left and right opposite support seats C9706 to facilitate the transverse transfer of the arc-shaped steel arch beam through the conveying assembly 97.

[0013] At the same time, such as Figures 13 to 14 In this embodiment, a limiting component 98 is provided between the two linkage components 91. The limiting component 98 includes a frame B9801, a cylinder B9802, a guide plate 9803, a guide rod 9804, and a positioning plate 9805. The frame B9801 spans the upper side of the connecting seat C9203. The cylinder B9802 is fixedly installed on the front and rear sides of the right side of the upper surface of the frame B9801. A guide plate 9803 is provided on one side of each cylinder B9802 and each guide plate 9803 is fixedly connected to the frame B9801. A guide rod 9804 slides through each guide plate 9803. The same positioning plate 9805 is fixedly installed on the right end of each guide rod 9804, and the main shaft end of each cylinder B9802 is fixedly connected to the positioning plate 9805, so as to facilitate the limiting of the arc-shaped steel arch beam by the limiting component 98.

[0014] The working principle of this specific implementation method is as follows: Based on the required length and curvature of the steel profile, motor A9202 is turned on. Motor A9202 drives the dual-output shaft reducer A9201. The right output shaft of the dual-output shaft reducer A9201 drives the right-side positive thread rod 9107 to rotate. The positive thread rod 9107 drives the connected negative thread rod 9108 to rotate. The front output shaft of the dual-output shaft reducer A9201 drives the connecting rod 9205 to rotate. The connecting rod 9205 drives the reducer B9204 to run. The reducer B9204 drives the right-side positive thread rod 9107 to rotate. The positive thread rod 9107 drives the connected negative thread rod 9108 to rotate. (The text abruptly ends here, likely due to an incomplete sentence or missing information.) With the threaded rod 9107 and nut A9109 meshing with each other, nut A9109 moves left and right, driving support A93 to run. Support A93 drives slider A9105 to slide along track A9104. Support A93 drives the left chain conveyor 96 to move left and right to the appropriate position. With the reverse threaded rod 9108 and nut B9110 meshing with each other, nut B9110 moves left and right, driving support B94 to run. Support B94 drives slider B9106 to slide along track A9104. Support B94 drives the right chain conveyor 96 to move left and right to the appropriate position. Lifting cylinder B9802, the main shaft of cylinder B9802 drives the positioning plate 9805 to move to the right to the appropriate position. During this process, the positioning plate 9805 drives the guide rod 9804 to slide along the guide plate 9803, and stops lifting cylinder B9802. The steel plate to be welded is placed in the steel plate placement area 102 of the flexible welding mechanism 10; The longitudinal conveyor A1, rotary cold bending machine 7, cutting saw 8, flexible welding mechanism 10, handling robot 101, and finished product conveyor 11 are activated respectively. The steel section to be processed is placed on the longitudinal conveyor frame A1. As the longitudinal conveyor frame A1 moves the steel section forward, the rotary cold bending machine 7 bends the steel section. The rotary cold bending machine 7 moves the steel section forward to the appropriate position under the cutting saw 8. The cutting saw 8 cuts the steel section to the appropriate size and removes the tail material of the steel section behind the cutting saw 8. Lift each cylinder A9703, and cylinder A9703 drives the climbing frame B9705 to move upward. During this process, the climbing frame B9705 drives the guide rod 9704 to slide along the n-shaped part 9702. After the height of the power electric roller 9707 exceeds the chain A9610, the operation of cylinder A9703 stops. After the cut steel section on the front side of the cutting saw 8 touches the power electric roller 9707, the power electric roller 9707 drives the steel section to the left. When the steel section touches the positioning plate 9805, the operation of the power electric roller 9707 stops. Retract each cylinder A9703, and cylinder A9703 drives the climbing ladder frame B9705 to descend to the initial position. During this process, the climbing ladder frame B9705 drives the guide rod 9704 to slide along the n-shaped part 9702, stopping the operation of cylinder A9703. When motor B9607 is turned on, motor B9607 drives reducer C9606 to run. Reducer C9606 drives main shaft A9604. Main shaft A9604 drives sprocket A9605. Sprocket A9605 drives chain A9610 to rotate counterclockwise. The roller on the upper part of chain A9610 moves along track B9603. Chain A9610 carries the steel section to the rear of flexible welding mechanism 10. Then motor B9607 stops running. The handling robot 101 moves the steel plates placed in the steel plate placement area 102 to be closely attached to the left and right side walls of the profile steel. The welding robot on the flexible welding mechanism 10 welds the steel plates and profile steel together. During this process, the flexible welding mechanism 10 moves the welded steel plates and profile steel forward to the finished product conveyor 11. The finished product conveyor 11 conveys the welded products forward to the appropriate position and transfers the welded profile steel and steel plates away. In summary, in use, the linkage component 91, drive component 92, support base A93, support base B94, chain conveyor frame 96, conveyor component 97, and limit component 98 are assembled into an automatic width-adjusting conveyor frame for the steel arch frame production line. The automatic width-adjusting conveyor frame facilitates the transfer of arc-shaped steel arch beams of different lengths and curvatures.

[0015] The beneficial effects of this utility model are as follows: 1. It facilitates the transfer of curved steel arch beams of different lengths and curvatures via an automatic width-adjusting conveyor frame. 2. It facilitates the lateral transfer of curved steel arch beams via the conveyor assembly. 3. It facilitates the limiting of curved steel arch beams via the limiting assembly.

[0016] The specific embodiments of this utility model do not constitute a limitation on this utility model. Any similar structures and variations of this utility model are within the protection scope of this utility model.

Claims

1. An automatic width-adjusting conveyor frame for a steel arch frame production line, comprising a longitudinal conveyor frame A (1), a rotary cold bending machine (7), a cutting saw (8), a flexible welding mechanism (10), a handling robot (101), a steel plate placement area (102), and a finished product conveyor frame (11). The rotary cold bending machine (7) is arranged in front of the longitudinal conveyor frame A (1), the cutting saw (8) is arranged in front of the rotary cold bending machine (7), the flexible welding mechanism (10) is arranged in front of the cutting saw (8), the handling robot (101) is arranged on the left and right sides of the rear of the flexible welding mechanism (10), the steel plate placement area (102) is arranged on the left and right sides of the rear of the flexible welding mechanism (10), and the finished product conveyor frame (11) is arranged in front of the flexible welding mechanism (10). Its features are: It also includes a width-adjusting conveyor (9), which is provided in cooperation between the cutting saw (8) and the flexible welding mechanism (10). The width-adjusting conveyor frame (9) includes a linkage assembly (91), a drive assembly (92), a support base A (93), a support base B (94), a chain conveyor frame (96), a conveying assembly (97), and a limiting assembly (98). Two linkage assemblies (91) are provided on the front side of the cutting saw (8). The linkage assembly (91) includes a climbing trapezoidal frame A (9101), a connecting base A (9102), a connecting base B (9103), a track A (9104), a slider A (9105), a slider B (9106), a positive thread rod (9107), a negative thread rod (9108), a nut A (9109), and a nut B (9110). A connecting base A (9102) is fixedly provided on the upper left side of each climbing trapezoidal frame A (9101). Connecting seats B (9103) are fixedly installed on the upper right side. Tracks A (9104) are fixedly installed on the front and rear parts of the upper surface of each climbing ladder frame A (9101). Four sliders A (9105) are slidably engaged on the left side of each track A (9104), and four sliders B (9106) are slidably engaged on the right side of each track A (9104). The left side of the positive thread rod (9107) rotates through the connecting seat A (9102), and the right side of the negative thread rod (9108) rotates through the connecting seat B (9103). Adjacent positive thread rods (9107) and negative thread rods (9108) are fixedly connected. Nuts A (9109) are screwed onto the positive thread rod (9107), and nuts B (9110) are screwed onto the negative thread rod (9108). The linkage component (91) is fitted with a drive component (92) on its left side. The drive component (92) includes a dual-output shaft reducer A (9201), a motor A (9202), a connecting seat C (9203), a reducer B (9204), and a connecting rod (9205). The power output end of the dual-output shaft reducer A (9201) on its right side is fixedly connected to the left end of the positive threaded rod (9107) on its rear side. The power input end of the dual-output shaft reducer A (9201) is fixedly connected to the main shaft of the motor A (9202). The dual-output shaft reducer A (9201) is provided with a connecting seat C (9203) on the front side. The power output end of the reducer B (9204) is fixedly connected to the left end of the positive thread rod (9107) located on the front side. The connecting rod (9205) rotates through the connecting seat C (9203), and the rear end of the connecting rod (9205) is fixedly connected to the power output end on the front side of the dual-output shaft reducer A (9201). The front end of the connecting rod (9205) is fixedly connected to the power input end of the reducer B (9204). Each of the nuts A (9109) is fixedly provided with a support seat A (93) on its upper surface. Each of the support seats A (93) is fixedly connected to the adjacent slider A (9105). Each of the nuts B (9110) is fixedly provided with a support seat B (94) on its upper surface. Each of the support seats B (94) is fixedly connected to the adjacent slider B (9106). The same chain conveyor frame (96) is fixedly provided on the upper surfaces of the front and rear adjacent support seats A (93). The same chain conveyor frame (96) is fixedly provided on the upper surfaces of the front and rear adjacent support seats B (94). The chain conveyor frame (96) includes a U-shaped component (9601), a support plate (9602), a track B (9603), a main shaft A (9604), a sprocket A (9605), a reducer C (9606), a motor B (9607), a main shaft B (9608), a sprocket B (9609), and a chain A (9610). The same U-shaped component (9601) is fixedly mounted on the upper surface of the support base A (93), and the same U-shaped component (9601) is fixedly mounted on the upper surface of the support base B (94). Support plates (9602) are fixedly mounted on the upper inner sidewalls of each U-shaped component (9601), and tracks B (9603) are fixedly mounted on the upper surface of each support plate (9602). The upper rear side of each U-shaped component (9601) rotatably passes through the main shaft A (9604), and each main shaft A (9604) is fixedly sleeved with... A sprocket A (9605) is provided with a reducer C (9606) fixedly mounted on the left side wall of each of the U-shaped parts (9601), and the power output end of each reducer C (9606) is fixedly connected to the adjacent main shaft A (9604). A motor B (9607) is fixedly mounted on each reducer C (9606), and the main shaft end of each motor B (9607) is fixedly connected to the power input end of the adjacent reducer C (9606). A main shaft B (9608) is rotatably mounted on the upper front side of each of the U-shaped parts (9601), and a sprocket B (9609) is fixedly mounted on each of the main shafts B (9608). A chain A (9610) is mounted on each of the support plates (9602), and each chain A (9610) meshes with the adjacent sprocket A (9605) and sprocket B (9609).

2. The automatic width-adjusting conveyor frame for a steel arch frame production line as described in claim 1, characterized in that: A conveying assembly (97) is provided on the left side of the support base A (93). Two conveying assemblies (97) are provided between the support base A (93) and the support base B (94). Two conveying assemblies (97) are provided on the right side of the support base B (94). The conveying assembly (97) includes a base plate (9701), an n-shaped part (9702), a cylinder A (9703), a guide rod (9704), a ladder-shaped frame B (9705), a support base C (9706), and a power electric roller (9707). Two base plates (9701) are respectively provided on the lower side of each ladder-shaped frame B (9705). The base plates (9701) located on the front side are fixedly connected to the front rail A (9104), and the base plates (9701) located on the rear side are fixedly connected to the rear rail A (9104). The upper surface of the base plate (9701) is fixedly provided with n-shaped parts (9702), and the top of each n-shaped part (9702) is fixedly provided with cylinder A (9703). The main shaft of the cylinder A (9703) slides through the n-shaped part (9702). The guide rod (9704) slides through each n-shaped part (9702). The main shaft end of each cylinder A (9703) is fixedly connected to the upper adjacent ladder frame B (9705). The upper end of each guide rod (9704) is fixedly connected to the upper adjacent ladder frame B (9705). Six support seats C (9706) are evenly distributed and fixedly provided on the upper surface of each ladder frame B (9705). A power electric roller (9707) is fixedly provided between the left and right opposite support seats C (9706).

3. The automatic width-adjusting conveyor frame for a steel arch frame production line as described in claim 1, characterized in that: A limiting component (98) is provided between the two linkage components (91). The limiting component (98) includes a frame B (9801), a cylinder B (9802), a guide plate (9803), a guide rod (9804), and a positioning plate (9805). The frame B (9801) is straddling the upper side of the connecting seat C (9203). The cylinder B (9802) is fixedly installed on the front and rear sides of the right side of the upper surface of the frame B (9801). A guide plate (9803) is provided on one side of each cylinder B (9802), and each guide plate (9803) is fixedly connected to the frame B (9801). A guide rod (9804) slides through each guide plate (9803). The same positioning plate (9805) is fixedly installed at the right end of each guide rod (9804), and the main shaft end of each cylinder B (9802) is fixedly connected to the positioning plate (9805).

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