CN116021293A - Automatic production line and production process for profile steel arch centering - Google Patents
Automatic production line and production process for profile steel arch centering Download PDFInfo
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- CN116021293A CN116021293A CN202310134170.8A CN202310134170A CN116021293A CN 116021293 A CN116021293 A CN 116021293A CN 202310134170 A CN202310134170 A CN 202310134170A CN 116021293 A CN116021293 A CN 116021293A
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Abstract
The invention relates to an automatic production line and production process of a steel arch, and relates to the technical field of welding production of steel arches. The device comprises a connecting plate production conveying line, a section steel feeding device, a rotary cutting sawing machine, a rotary arch bending machine, a middle-channel conveying line, a connecting plate grabbing robot, a connecting plate welding robot, a first jaw type welding positioner and a second jaw type welding positioner; the section steel feeding device conveys section steel to the rotary arch bending machine; the rotary arch bending machine bends the profile steel; cutting off the formed profile steel by the rotary arch bending machine by the rotary cutting sawing machine; a middle channel conveying line for conveying the cut section steel to a first jaw type welding positioner; the connecting plate grabbing robot is used for installing the connecting plates at two ends of the section steel; and the connecting plate welding robot is used for respectively fixing the connecting plate and two ends of the section steel by spot welding. According to the automatic blanking method for the connecting plate, the connecting plate grabbing robot and the connecting plate welding robot are used for automatic alignment welding, so that the welding precision is ensured, and the on-site construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of steel arch welding production, in particular to an automatic production line and production process of a section steel arch.
Background
The welding production of steel arch is a tunnel steel arch processing technology, and the process from the section steel raw material to the steel arch finished product. The steel arch support is a support measure for reinforcing underground engineering after the section steel is formed. In the tunnel engineering project, the production of steel arches is an important link. At present, the production of steel bow member mostly adopts manual welding, and the transportation number of times of steel bow member is many, and each link time cooperation is inconsistent, leads to the production efficiency of steel bow member low to the back and forth transportation is gone back and forth because welding production process needs, leads to the area of demand big.
Disclosure of Invention
The invention aims to provide a section steel arch automatic production line and a production process, which can realize automatic blanking of a connecting plate, ensure welding precision and improve on-site construction efficiency by automatically aligning and welding a connecting plate grabbing robot and a connecting plate welding robot.
In order to achieve the above object, the present invention provides an automatic production line for a section steel arch, comprising: the device comprises a connecting plate production conveying line, a section steel feeding device, a rotary cutting sawing machine, a rotary arch bending machine, a middle-channel conveying line, a connecting plate grabbing robot, a connecting plate welding robot, a first jaw type welding positioner and a second jaw type welding positioner;
the connecting plate production conveying line is used for conveying the produced connecting plates to a grabbing position of a connecting plate welding robot;
the profile steel feeding device is used for conveying profile steel to the rotary arch bending machine;
the rotary type arch bending machine is used for bending the profile steel conveyed by the profile steel feeding device;
the rotary cutting sawing machine is used for cutting the profile steel formed by the arch of the rotary arch bending machine;
the middle channel conveying line is used for conveying the cut section steel to a first jaw type welding positioner;
the connecting plate grabbing robot is used for grabbing a connecting plate, installing the connecting plate at two ends of the profile steel and centering the profile steel;
the connecting plate welding robot is used for respectively fixing the connecting plate and two ends of the section steel by spot welding;
and the first jaw type welding positioner is used for rotating the jaws towards the second jaw type welding positioner after one-station welding is completed, and the middle conveyor line is used for conveying the section steel to the second jaw type welding positioner.
And the second jaw type welding positioner clamps and fixes the section steel after the section steel is conveyed to the set position of the second jaw type welding positioner, so that the subsequent welding is facilitated.
Further, the rotary cutting sawing machine also comprises a material supporting roller device, and the material supporting roller device is arranged at the head end of the rotary cutting sawing machine and the tail end of the rotary arch bending machine.
Further, the automatic lifting discharging device is arranged at the tail end of the second jaw type welding positioner and used for conveying finished steel to the finished steel automatic conveying discharging frame.
Further, the rotary arch bending machine comprises a fixed frame, a rotary workbench, an arch bending oil cylinder, a main working roller and a transmission mechanism, wherein the rotary workbench is rotationally connected to the fixed frame through a rotary air cylinder, the arch bending oil cylinder is arranged on the rotary workbench, and the output end of the rotary workbench is connected with the main working roller; the main working roller is tightly abutted against the side wall of the section steel and used for bending and forming the section steel; the transmission mechanism is arranged on the rotary workbench and is used for conveying the section steel.
Further, the transmission mechanism comprises a transmission motor, a main transmission roller and a compression roller, wherein the transmission motor is arranged on the rotary workbench, the output end of the transmission motor is connected with the main transmission roller, and the main transmission roller is tightly abutted against the side wall of the profile steel; the compaction roller is rotationally connected to the rotary workbench and abuts against the upper surface and the lower surface of the profile steel.
Further, the section steel feeding device comprises a feeding frame, a transmission device and a transmission chain, wherein the transmission device is installed on the feeding frame, and the output end of the transmission device is in transmission connection with the transmission chain.
Further, well way transfer chain includes carriage, conveying chain, drive assembly and adjusting part, wherein, conveying chain with drive assembly set up in on the carriage, drive assembly's output with the conveying chain transmission is connected, carriage parallel arrangement has a plurality ofly, adjusting part's output with the carriage links to each other for distance between the adjusting part is in order to satisfy the transport of different length shaped steel.
Further, the first jaw type welding positioner and the second jaw type welding positioner have the same structure and comprise a displacement motor, a displacement driving roller, jaws and a supporting seat; the jaw is rotationally connected to the supporting seat, the displacement motor is installed on the supporting seat, the output end of the displacement motor is connected with the displacement driving roller, and the displacement driving roller is tightly abutted to the bottom of the jaw.
An automatic production process of a section steel arch comprises the following steps:
s1, feeding: the section steel feeding device conveys section steel to finish feeding;
s2, bending: the profile steel feeding device is used for conveying profile steel arches through the rotary arching machine;
s3, cutting: cutting off the profile steel formed by the camber of the rotary camber machine through a rotary cutoff sawing machine;
s4, conveying a connecting plate: conveying the produced connecting plates to a grabbing position of a connecting plate welding robot through a connecting plate production conveying line;
s5, welding a connecting plate: the connecting plate grabbing robot grabs the connecting plates, installs the connecting plates at two ends of the profile steel, and centers the profile steel; the two ends of the connecting plate and the section steel are respectively fixed by spot welding through a connecting plate welding robot;
s6, multi-angle welding of the jaw type welding positioner: after one station is welded, the jaw is rotated to face the second jaw type welding positioner through the first jaw type welding positioner, and the middle conveyor line conveys the section steel to the second jaw type welding positioner; after the section steel is conveyed to the set position of the second jaw type welding positioner, the section steel is clamped and fixed, and welding is continuously carried out on the connection joints between the two ends of the section steel and the connecting plate;
s7, discharging: and conveying the finished product profile steel to a finished product automatic conveying and discharging frame through an automatic lifting and discharging device.
Further, the method for bending the profile steel conveyed by the profile steel feeding device through the rotary type bending machine comprises the following steps:
the section steel which is conveyed and butt-welded by the section steel feeding device enters a rotary arch bender under the action of a main driving roller and a compression roller;
the rotary type arch bending machine carries out cold bending processing on the steel according to the set parameters, so that the bending radius and the arch height of the steel can meet the drawing and technological requirements;
the bent section steel is supported by a material supporting roller device through a rotary cutting sawing machine and extends towards the middle channel conveying line, so that the section steel smoothly enters the middle channel conveying line after being bent and is not deformed;
and (3) length measurement is carried out on the arched steel, and when the set arched length is reached, the rotary type arched machine pauses working and sends out sawing signals.
The invention has the beneficial effects that:
the automatic blanking device can realize automatic blanking of the connecting plate, the connecting plate is conveyed to the position of the connecting plate grabbing robot through the chain, the connecting plate grabbing robot and the connecting plate welding robot are used for automatic alignment welding, automatic alignment welding is guaranteed, and only one person is needed in the whole process to operate workers. The machining precision of the arch centering is effectively improved, the field assembly qualification rate is ensured, and the field construction efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the installation structure of the rotary cutting sawing machine of the present invention.
Wherein, in the figure: the device comprises a 1-connecting plate production conveying line, a 2-section steel feeding device, a 3-rotary cutting sawing machine, a 4-rotary arch bending machine, a 5-middle conveying line, a 6-connecting plate grabbing robot, a 7-connecting plate welding robot, an 8-first jaw type welding positioner, a 9-second jaw type welding positioner, a 10-material supporting roller device, an 11-automatic lifting discharging device, a 12-finished product automatic conveying discharging frame, a 13-fixed frame, a 14-rotary workbench, a 15-arch bending oil cylinder, a 16-main working roller, a 17-transmission motor, an 18-compression roller and 19-section steel.
Detailed Description
In order to achieve the above objects and effects, the present invention adopts the technical means and structure, and the features and functions of the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, the present invention provides an automatic production line for a section steel arch, comprising: the device comprises a connecting plate production conveying line 1, a section steel feeding device 2, a rotary cutting sawing machine 3, a rotary arch bending machine 4, a middle channel conveying line 5, a connecting plate grabbing robot 6, a connecting plate welding robot 7, a first jaw type welding positioner 8 and a second jaw type welding positioner 9;
the connecting plate production conveying line 1 is used for conveying produced connecting plates to a grabbing position of a connecting plate welding robot;
the section steel feeding device 2 is used for conveying section steel 19 to a rotary arch bender;
the rotary type arch bending machine 3 is used for bending the section steel conveyed by the section steel feeding device;
the rotary cutting sawing machine 4 is used for cutting the profile steel formed by the arch of the rotary arch bending machine; the rotary sawing machine is mainly responsible for cutting Ji Changgong steel, has rotary and movable adjusting functions so as to adapt to the requirements of different camber radiuses and camber heights, ensures the verticality of sawing sections and camber sections, and simultaneously, the equipment is provided with a pressing and side pressure positioning device, thereby ensuring the accuracy and stability of sawing dimensions.
The middle-channel conveying line 5 is used for conveying the cut section steel to a first jaw type welding positioner;
the connecting plate grabbing robot 6 is used for grabbing a connecting plate, installing the connecting plate at two ends of the profile steel and centering the profile steel;
the connecting plate welding robot 7 is used for respectively fixing the connecting plate and two ends of the section steel by spot welding;
and the first jaw type welding positioner 8 is used for rotating the jaws towards the second jaw type welding positioner after one-station welding is completed, and the middle conveyor line is used for conveying the section steel to the second jaw type welding positioner.
And the second jaw type welding positioner 9 clamps and fixes the section steel after the section steel is conveyed to the set position of the second jaw type welding positioner, so that the subsequent welding is facilitated.
The invention further comprises a material supporting roller device 10, wherein the material supporting roller device 10 is arranged at the head end of the rotary cutting sawing machine 4 and at the tail end of the rotary arch bending machine 3. The material supporting roller device 10 adopts a lifting unpowered roller to provide support and conveying for the arched work steel, prevents deformation caused by overlong extension of the work steel, can smoothly convey the arched work steel into the middle conveyor line 5, and ensures reliable connection between the rotary arch bender 3 and the middle conveyor line 5.
The invention further comprises an automatic lifting discharging device 11, wherein the automatic lifting discharging device 11 is arranged at the tail end of the second jaw type welding positioner 9 and is used for conveying finished steel products to the finished steel product automatic conveying discharging frame 12.
The rotary arch bending machine 3 comprises a fixed frame 13, a rotary workbench 14, an arch bending oil cylinder 15, a main working roller 16 and a transmission mechanism, wherein the rotary workbench 14 is rotationally connected to the fixed frame 13 through a rotary cylinder, the arch bending oil cylinder 15 is mounted on the rotary workbench 14, and the output end of the rotary workbench is connected with the main working roller 16; the main working roller 16 is tightly abutted against the side wall of the section steel 19 and used for bending and forming the section steel 19; the transmission mechanism is mounted on the rotary table 14 for conveying the section steel 19. The rotary arch bender 3 also includes a hydraulic station that provides power to the arch cylinders 15. The rotary type arch bending machine 3 can automatically adjust the angle of the rotary workbench 14 and the travel of the main working roller 16 according to different requirements of the bending radius and the arch height of the work steel so as to meet the processing requirements of the work pieces with different arches and bending radii, and meanwhile, the rotary type arch bending machine 3 has an automatic length metering function, can perform metering according to different arch lengths, provides sawing and positioning, and has an arch bending and retraction preventing function.
The transmission mechanism comprises a transmission motor 17, a main transmission roller and a compaction roller 18, wherein the transmission motor 17 is arranged on the rotary workbench 14, the output end of the transmission motor 17 is connected with the main transmission roller, and the main transmission roller is tightly abutted against the side wall of the profile steel; the pinch roller 18 is rotatably connected to the rotary table 14 to abut against the upper and lower surfaces of the profile steel, and the operation is simple and convenient.
The section steel feeding device 2 comprises a feeding frame, a transmission device and a transmission chain, wherein the transmission device is arranged on the feeding frame, and the output end of the transmission device is in transmission connection with the transmission chain. After the conveying roller bed detects that the workpiece reaches the material blocking roller, the lifting device cylinder works to lift the conveying roller bed, the transmission device drives the transmission chain to work, the steel is conveyed to the rotary arch bending machine, and after the workpiece is detected to reach, the transmission device stops working and conveying is stopped.
The middle conveyor line 5 comprises a conveying frame, a conveying chain, a transmission assembly and an adjusting assembly, wherein the conveying chain and the transmission assembly are arranged on the conveying frame, the output end of the transmission assembly is in transmission connection with the conveying chain, the conveying frame is arranged in parallel, and the output end of the adjusting assembly is connected with the conveying frame and used for adjusting the distance between the conveying frames so as to meet the conveying of steel with different lengths. The middle conveyor line can automatically adjust the distance between the conveying frames according to the lengths of different working steels so as to meet the conveying requirements of the working steels with different lengths. The side face of the conveying frame is also provided with a material blocking device, so that an accurate and reliable position state is provided for the overturning of the work steel. The bent section steel is supported by the material supporting roller device through the rotary cutting sawing machine and extends towards the middle-channel conveying line, so that the section steel after being bent smoothly enters the middle-channel conveying line and is not deformed.
The first jaw type welding positioner 8 and the second jaw type welding positioner 9 have the same structure and comprise a displacement motor, a displacement driving roller, jaws and a supporting seat; the jaw is rotationally connected to the supporting seat, the displacement motor is installed on the supporting seat, the output end of the displacement motor is connected with the displacement driving roller, and the displacement driving roller is tightly abutted to the bottom of the jaw. The first jaw type welding positioner and the second jaw type welding positioner are used for providing needed welding positions for welding of industrial steel, and meanwhile, the clamping positions of the section steel can be adjusted according to different section steel lengths so as to meet the welding requirements of different section steel specifications. The robot is automatically controlled by a positioner program, and can operate in high cooperation with the connecting plate grabbing robot and the connecting plate welding robot.
In this embodiment, still include robot running gear, robot running gear is all installed to connecting plate grabbing robot and connecting plate welding robot bottom, and robot running gear includes robot workstation and walking drive arrangement, and walking drive arrangement is used for driving the robot workstation and removes, can link with welding system, automatically regulated connecting plate grabbing robot and connecting plate welding robot's working position, satisfies the welding needs of different length shaped steel.
Example 2
An automatic production process of a section steel arch comprises the following steps:
s1, feeding: the section steel feeding device conveys section steel to finish feeding;
s2, bending: the profile steel feeding device is used for conveying profile steel arches through the rotary arching machine;
s3, cutting: cutting off the profile steel formed by the camber of the rotary camber machine through a rotary cutoff sawing machine; after receiving sawing signals sent by the rotary arch bending machine, the control system sends signals to the rotary cutting sawing machine, and the lateral pressure fastening and fixing device of the rotary cutting sawing machine works to firmly clamp and fix the work steel. And (5) cutting off the work of the sawing machine by rotation to cut off the work steel. The driving cylinder of the material supporting roller device controls the roller bed frame to descend, the section steel is stably placed on the middle conveyor line, and the section steel is conveyed to the tail end of the conveyor frame by the conveyor chain in operation. And each conveying chain on the middle conveyor line is used for driving to stably convey the section steel to the first jaw positioner.
S4, conveying a connecting plate: conveying the produced connecting plates to a grabbing position of a connecting plate welding robot through a connecting plate production conveying line; the connecting plate produced by the connecting plate production conveying line is conveyed to the grabbing position of the grabbing robot and positioned by the air cylinder, so that an accurate position is provided for the grabbing robot to grab the connecting plate.
S5, welding a connecting plate: the connecting plate grabbing robot grabs the connecting plates, installs the connecting plates at two ends of the profile steel, and centers the profile steel; the two ends of the connecting plate and the section steel are respectively fixed by spot welding through a connecting plate welding robot;
s6, multi-angle welding of the jaw type welding positioner: after one station is welded, the jaw is rotated to face the second jaw type welding positioner through the first jaw type welding positioner, and the middle conveyor line conveys the section steel to the second jaw type welding positioner; after the section steel is conveyed to the set position of the second jaw type welding positioner, the section steel is clamped and fixed, and welding is continuously carried out on the connection joints between the two ends of the section steel and the connecting plate; the section steel enters the first jaw type welding positioner, the connecting plate grabbing robots at two ends of the section steel grab the connecting plates, the connecting plates are sequentially installed at two ends of the section steel, and the section steel is centered. After the first jaw positioner detection system detects that the section steel enters the clamping device, the side positioning cylinder works to clamp and fix the section steel. The connecting plate welding robot is used for respectively fixing the connecting plate and two ends of the section steel by spot welding. After the connecting plates are fixed by spot welding, rotation and conversion of different angle positions are automatically carried out by program control according to process setting, and the welding robots are in high cooperation with the connecting plates to carry out welding of welding lines of different angles. After one station welding is completed, the first jaw type welding positioner rotates the jaw to face the second jaw type welding positioner, the clamping jaw is opened, and the section steel is conveyed to the second jaw type welding positioner through the middle-channel conveying line. And after the second jaw type welding positioner detects that the section steel enters the given position of the jaw, the cylinder of the clamping device works to clamp and fix the section steel. According to the welding process setting, the welding which is not finished by the connecting plate welding robot of one station is automatically rotated and changed at different angle positions under the control of a program, and the rotating and changing are highly cooperated with the connecting plate welding robot to finish the subsequent welding. And the connecting plate welding robot automatically moves to a welding position on a robot running device according to the profile steel parameters set by the system, and continuously welds the connecting joints between the two ends of the profile steel and the connecting plate. After the welding is finished, the system sends a signal to the automatic lifting discharging device, meanwhile, the connecting plate grabbing robot and the connecting plate welding robot return to the original positions, the first jaw type position changer and the second jaw type position changer return to the initial position state (arch bending opening is downward), and the steel clamping device is loosened.
S7, discharging: and conveying the finished product profile steel to a finished product automatic conveying and discharging frame through an automatic lifting and discharging device. After receiving the discharging signal, the lifting discharging device walks to the lower part of the section steel of the two jaw type position changer needing discharging, and lifts the material supporting frame to convey the finished product work steel to the finished product automatic conveying discharging frame. After the section steel enters the automatic conveying and discharging frame, the lifting and discharging bracket falls to the original position, and the conveying chain conveys the section steel to the pushing rod discharging position. After the equipment detects that the section steel reaches the push rod discharging position, the cylinder of the push rod discharging device works to push the work steel to the work steel storage rack, and the packing and the transportation are waited.
In this embodiment, the method for bending the section steel conveyed by the section steel feeding device by the rotary bending machine includes:
the section steel which is conveyed and butt-welded by the section steel feeding device enters a rotary arch bender under the action of a main driving roller and a compression roller;
the rotary type arch bending machine carries out cold bending processing on the steel according to the set parameters, so that the bending radius and the arch height of the steel can meet the drawing and technological requirements;
the bent section steel is supported by a material supporting roller device through a rotary cutting sawing machine and extends towards the middle channel conveying line, so that the section steel smoothly enters the middle channel conveying line after being bent and is not deformed;
and (3) length measurement is carried out on the arched steel, and when the set arched length is reached, the rotary type arched machine pauses working and sends out sawing signals.
The automatic blanking device can realize automatic blanking of the connecting plate, the connecting plate is conveyed to the position of the connecting plate grabbing robot through the chain, the connecting plate grabbing robot and the connecting plate welding robot are used for automatic alignment welding, automatic alignment welding is guaranteed, and only one person is needed in the whole process to operate workers. The machining precision of the arch centering is effectively improved, the field assembly qualification rate is ensured, and the field construction efficiency is improved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a shaped steel bow member automatic production line which characterized in that includes: the device comprises a connecting plate production conveying line, a section steel feeding device, a rotary cutting sawing machine, a rotary arch bending machine, a middle-channel conveying line, a connecting plate grabbing robot, a connecting plate welding robot, a first jaw type welding positioner and a second jaw type welding positioner;
the connecting plate production conveying line is used for conveying the produced connecting plates to a grabbing position of a connecting plate welding robot;
the profile steel feeding device is used for conveying profile steel to the rotary arch bending machine;
the rotary type arch bending machine is used for bending the profile steel conveyed by the profile steel feeding device;
the rotary cutting sawing machine is used for cutting the profile steel formed by the arch of the rotary arch bending machine;
the middle channel conveying line is used for conveying the cut section steel to a first jaw type welding positioner;
the connecting plate grabbing robot is used for grabbing a connecting plate, installing the connecting plate at two ends of the profile steel and centering the profile steel;
the connecting plate welding robot is used for respectively fixing the connecting plate and two ends of the section steel by spot welding;
and the first jaw type welding positioner is used for rotating the jaws towards the second jaw type welding positioner after one-station welding is completed, and the middle conveyor line is used for conveying the section steel to the second jaw type welding positioner.
And the second jaw type welding positioner clamps and fixes the section steel after the section steel is conveyed to the set position of the second jaw type welding positioner, so that the subsequent welding is facilitated.
2. The automatic profile steel arch production line according to claim 1, further comprising a material supporting roller device, wherein the material supporting roller device is arranged at the head end of the rotary cutting sawing machine and at the tail end of the rotary arch bending machine.
3. The automatic steel arch production line of claim 1, further comprising an automatic lifting and discharging device arranged at the tail end of the second jaw type welding positioner for conveying finished steel to the finished steel automatic conveying and discharging frame.
4. The automatic production line of the profile steel arch according to claim 1, wherein the rotary arch bending machine comprises a fixed frame, a rotary workbench, an arch bending oil cylinder, a main working roller and a transmission mechanism, wherein the rotary workbench is rotationally connected to the fixed frame through a rotary air cylinder, the arch bending oil cylinder is arranged on the rotary workbench, and an output end of the arch bending oil cylinder is connected with the main working roller; the main working roller is tightly abutted against the side wall of the section steel and used for bending and forming the section steel; the transmission mechanism is arranged on the rotary workbench and is used for conveying the section steel.
5. The automatic production line of the profile steel arch according to claim 4, wherein the transmission mechanism comprises a transmission motor, a main transmission roller and a pinch roller, the transmission motor is arranged on the rotary workbench, the output end of the transmission motor is connected with the main transmission roller, and the main transmission roller is tightly abutted against the side wall of the profile steel; the compaction roller is rotationally connected to the rotary workbench and abuts against the upper surface and the lower surface of the profile steel.
6. A steel arch automatic production line according to claim 1, wherein the steel section feeding device comprises a feeding frame, a transmission device and a transmission chain, the transmission device is arranged on the feeding frame, and the output end of the transmission device is in transmission connection with the transmission chain.
7. The automatic production line for the profile steel arches according to claim 1, wherein the middle-channel conveying line comprises a conveying frame, conveying chains, a transmission assembly and an adjusting assembly, wherein the conveying chains and the transmission assembly are arranged on the conveying frame, the output end of the transmission assembly is in transmission connection with the conveying chains, the conveying frame is provided with a plurality of conveying frames in parallel, and the output end of the adjusting assembly is connected with the conveying frame and used for adjusting the distance between the conveying frames so as to meet the conveying of profile steels with different lengths.
8. The automatic steel arch production line according to claim 1 or 7, wherein the first jaw type welding positioner and the second jaw type welding positioner have the same structure and comprise a displacement motor, a displacement driving roller, jaws and a supporting seat; the jaw is rotationally connected to the supporting seat, the displacement motor is installed on the supporting seat, the output end of the displacement motor is connected with the displacement driving roller, and the displacement driving roller is tightly abutted to the bottom of the jaw.
9. An automatic production process of a section steel arch, which is characterized by adopting the automatic production line of the section steel arch according to any one of claims 1-8, and comprising the following steps:
s1, feeding: the section steel feeding device conveys section steel to finish feeding;
s2, bending: the profile steel feeding device is used for conveying profile steel arches through the rotary arching machine;
s3, cutting: cutting off the profile steel formed by the camber of the rotary camber machine through a rotary cutoff sawing machine;
s4, conveying a connecting plate: conveying the produced connecting plates to a grabbing position of a connecting plate welding robot through a connecting plate production conveying line;
s5, welding a connecting plate: the connecting plate grabbing robot grabs the connecting plates, installs the connecting plates at two ends of the profile steel, and centers the profile steel; the two ends of the connecting plate and the section steel are respectively fixed by spot welding through a connecting plate welding robot;
s6, multi-angle welding of the jaw type welding positioner: after one station is welded, the jaw is rotated to face the second jaw type welding positioner through the first jaw type welding positioner, and the middle conveyor line conveys the section steel to the second jaw type welding positioner; after the section steel is conveyed to the set position of the second jaw type welding positioner, the section steel is clamped and fixed, and welding is continuously carried out on the connection joints between the two ends of the section steel and the connecting plate;
s7, discharging: and conveying the finished product profile steel to a finished product automatic conveying and discharging frame through an automatic lifting and discharging device.
10. An automatic steel arch production process according to claim 9, wherein the method for bending the steel section conveyed by the steel section feeding device by the rotary bending machine comprises the steps of:
the section steel which is conveyed and butt-welded by the section steel feeding device enters a rotary arch bender under the action of a main driving roller and a compression roller;
the rotary type arch bending machine carries out cold bending processing on the steel according to the set parameters, so that the bending radius and the arch height of the steel can meet the drawing and technological requirements;
the bent section steel is supported by a material supporting roller device through a rotary cutting sawing machine and extends towards the middle channel conveying line, so that the section steel smoothly enters the middle channel conveying line after being bent and is not deformed;
and (3) length measurement is carried out on the arched steel, and when the set arched length is reached, the rotary type arched machine pauses working and sends out sawing signals.
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CN118060812A (en) * | 2024-04-24 | 2024-05-24 | 北京盈丰翔宇智能装备有限公司 | Head-tail joint welding mechanism and control system in profile steel arch raw material advancing process |
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CN118060812A (en) * | 2024-04-24 | 2024-05-24 | 北京盈丰翔宇智能装备有限公司 | Head-tail joint welding mechanism and control system in profile steel arch raw material advancing process |
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