Fish belly beam automatic production line and production method

Abstract

The present invention relates to an automatic production line and production method for fish belly beams, the automatic production line for fish belly beams comprises a loading station, a fish belly cutting station, a fish belly pressing station, a fish belly reverse welding station, a fish belly weld root cleaning station, a fish belly front welding station, a hole and flange cutting station, a repair station, a center beam weld milling station, and a material unloading station, each station is provided with a material transmission device, and each station is provided with a loading device, a fish belly cutting device, a fish belly pressing device, a fish belly reverse welding device, a fish belly weld root cleaning device, a fish belly front welding device, a hole and flange cutting device, a repair device, a center beam weld milling device, and a material unloading device in accordance with the processing sequence. The beneficial effects of the present invention are: it can realize the continuous automatic production and processing operation of the fish belly beam, reduce labor intensity, improve work efficiency, and the raw materials can be automatically positioned during the processing, and the processing accuracy and production quality are high.

Description

Technical Field

[0001] The invention relates to the technical field of fish belly beam production, and in particular to an automatic production line and a production method for fish belly beams. Background Art

[0002] Fish belly beam is a type of beam, usually made of channel steel or I-beam as raw materials, and has high bending strength. The production of fish belly beams requires multiple processes such as cutting, welding, and pressing. Although there are currently automated equipment such as cutting machines and submerged arc welding machines to assist in production, each process still requires partial manual participation, the degree of automation is low, and there is a lack of continuity between the processes. The beams need to be moved and repeatedly positioned many times, resulting in low precision and low efficiency. In addition, in the current production process of fish belly beams, each process still has problems such as inaccurate positioning leading to cutting deformation, inadequate pressing leading to large joint gaps, difficulty in subsequent welding, and lack of adjustment and repair of the final product. The processing accuracy and production quality need to be further improved. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an automated production line for fish belly beams and a production method thereof, which can realize continuous automated production and processing of fish belly beams, reduce labor intensity, improve work efficiency, automatically position raw materials during processing, and have high processing accuracy and production quality.

[0004] The purpose of the present invention is achieved through the following technical solutions:

[0005] The invention provides an automated production line for a fish belly beam, comprising a loading station, a fish belly cutting station, a fish belly pressing station, a fish belly reverse side welding station, a fish belly weld root cleaning station, a fish belly front side welding station, a hole and flange cutting station, an adjustment station, a center beam weld milling station, and a material unloading station, which are sequentially arranged in a processing sequence, wherein each station is provided with a material transmission device, and each station is correspondingly provided with a loading device, a fish belly cutting device, a fish belly pressing device, a fish belly reverse side welding device, a fish belly weld root cleaning device, a fish belly front side welding device, a hole and flange cutting device, an adjustment device, a center beam weld milling device, and a material unloading device in a processing sequence.

[0006] Furthermore, the material transmission devices of the loading station, the fish belly cutting station and the unloading station all include a transmission frame, a longitudinal transmission roller, a transmission motor, and a workpiece restraining mechanism. The transmission frame is a rectangular frame structure with a hollow middle portion. The longitudinal transmission roller includes two groups of roller groups which are respectively arranged on both sides of the top of the transmission frame and are symmetrical to each other. The roller groups include multiple conveying rollers, multiple driven rollers and multiple lateral guide wheels. The multiple conveying rollers and the multiple driven rollers are alternately arranged along the material transmission direction. The conveying rollers on one side of the transmission frame are driven by the transmission motor on the transmission frame. The lateral guide wheels and the workpiece restraining mechanism are arranged between adjacent conveying rollers and driven rollers. The workpiece restraining mechanism includes a restraining plate, an angle motor and a restraining bar. The restraining plate is vertically arranged on the top of the transmission frame. An angle motor is provided at the top and bottom of the restraining plate. The restraining bar is arranged at the output end of the angle motor.

[0007] Furthermore, the transmission frames of the loading station and the unloading station are provided with a plurality of breaks in sequence along the transmission direction, the loading device and the unloading device both include a loading frame, a chain plate conveyor and a lifting and transferring mechanism, a loading frame is provided at the same side of the transmission frame at the plurality of breaks, the chain plate conveyor is provided at the top of the loading frame and is located above the longitudinal transmission roller, the lifting and transferring mechanism is provided at the break, an anti-falling bracket is provided at the top of the loading frame beside the end of the chain plate conveyor, the lifting and transferring mechanism includes a wheel rail, a transferring trolley, a worm gear elevator, a support Plate, the wheel-rail is arranged at the fracture, the material transfer trolley is arranged on the wheel-rail, the worm gear elevator is arranged on the material transfer trolley, the material supporting plate is arranged at the output end of the worm gear elevator, and a material width detection mechanism is arranged on one side of the loading rack, the material width detection mechanism comprises a detection frame, a worm gear elevator, a support frame, a laser rangefinder, and a positioning block, the worm gear elevator is arranged on the detection frame, the support frame is arranged at the output end of the worm gear elevator, the laser rangefinder and the positioning block are respectively arranged at both ends of the support frame, and the positioning block is provided with a positioning slot.

[0008] Furthermore, the fish belly cutting device includes a cutting operation table, a laser cutting mechanism, a smoke purification hood and a waste transport mechanism. The cutting operation table and the laser cutting mechanism are arranged on one side of the transmission frame. The smoke purification hood is arranged at both ends of the transmission frame and covers the laser cutting mechanism and the transmission frame. The waste transport mechanism is arranged at both ends of the transmission frame and is located under the longitudinal transmission roller. The laser cutting mechanism includes a cutting gantry, a three-axis moving module, and a laser cutting machine. The three-axis moving module includes an x-axis linear module, a y-axis linear module, and a z-axis linear module. The cutting gantry is arranged on one side of the transmission frame. The x-axis linear module is arranged on the cutting gantry along the material transmission direction. The y-axis linear module is arranged on the cutting gantry along the material transmission direction. The linear module is arranged on the x-axis linear module, the z-axis linear module is arranged on the y-axis linear module, the laser cutting machine is arranged on the z-axis linear module, the cutting operating table includes an air-conditioned constant temperature room, a voltage-stabilized power supply, a water cooler, and a laser. The laser and the water cooler are arranged in the air-conditioned constant temperature room, the laser is electrically connected to the voltage-stabilized power supply, the laser cutting machine and the water cooler are both connected to the laser, the waste transportation mechanism includes a transportation track, a rail trolley, a support frame, a worm gear elevator, and a waste support plate. The rail trolley is arranged on the transportation track, the support frame is arranged on the rail trolley, the worm gear elevator is arranged on the support frame, and the waste support plate is arranged at the output end of the worm gear elevator.

[0009] Furthermore, the material transmission device of the pressing station includes a support platform and a lifting transmission mechanism. The support platform is provided with multiple support platforms and the multiple support platforms are arranged in sequence along the material transmission direction. The lifting transmission mechanism is arranged between two adjacent support platforms. The lifting transmission mechanism includes a lifting cylinder, an outer tube, and a power transmission component. The lifting cylinder is arranged in the outer tube. A top plate is movably provided on the top of the outer tube. The top plate is fixedly connected to the output end of the lifting cylinder. The power transmission component includes a transmission roller and a transmission motor. The transmission roller and the transmission motor are arranged on the top plate. One end of the transmission roller is connected to the output end of the transmission motor. Both ends of the transmission roller are fixed with ribs. The sliding sleeve on the transmission roller is provided with an adjustable end cover. The adjustable end cover can be connected to the rib away from the transmission motor through an adjusting bolt. Both ends of the material transmission device of the pressing station They are all equipped with a fish belly pressing device, which includes a pressing track and a pressing assembly. The pressing track is arranged on both sides of the material transmission device along the material transmission direction, and the side walls of the pressing track are provided with racks. The pressing assembly includes a support beam, a pressing gantry, a lateral pressure head, a lateral cylinder, a downward pressure head, and a downward pressure cylinder. The support beam is slidably arranged on the pressing track, the pressing gantry is arranged on the support beam, a gantry motor is arranged on the support beam, and a gear meshing with the rack is arranged at the output end of the gantry motor. A plurality of positioning plates are arranged on one side of the top of the support platform along the material transmission direction, the lateral cylinder is arranged on the support beam, the lateral pressure head is located on the inner side of the support beam opposite to the positioning plate and is connected to the output end of the lateral cylinder, the downward pressure cylinder is arranged on the top of the pressing gantry, and the downward pressure head is connected to the output end of the downward pressure cylinder.

[0010] Furthermore, the material transmission devices of the fish belly back welding station and the fish belly front welding station both include a welding base, a first clamping mechanism, and a power transmission component. Two welding bases are provided and the two welding bases are arranged opposite to each other. A plurality of first clamping mechanisms are sequentially arranged on the welding base along the material transmission direction. The first clamping mechanism includes a first clamping platform, a clamping drive component, and a groove-shaped clamping plate. The first clamping platform is arranged on the welding base, the power transmission component is arranged on one side of the first clamping platform, the clamping drive component is arranged at both ends of the top of the first clamping platform, the clamping drive component includes a clamping cylinder, a slideway, and a slide seat. The slideway is arranged at the end of the first clamping platform, the slide seat is slidably arranged on the slideway, and the clamping cylinder is arranged between the two slideways. On the first clamping platform, the output end of the clamping cylinder is connected to the bottom of the slide seat, and the two slide seats are provided with grooved clamps, which are arranged opposite to each other. The fish belly reverse side welding device and the fish belly front side welding device both include a welding gantry, a three-axis moving module, and a submerged arc welding machine. The welding gantry is arranged on one side of the welding base, the x-axis linear module is arranged on the welding gantry along the material transmission direction, the y-axis linear module is arranged on the x-axis linear module, the z-axis linear module is arranged on the y-axis linear module, and the submerged arc welding machine is arranged on the z-axis linear module. The fish belly reverse side welding device also includes a flipping mechanism arranged between the two welding bases, and the flipping mechanism includes a flipping chassis, a lifting and flipping assembly, and a conveying device. The lifting and flipping assembly is arranged At both ends of the flip chassis, a conveying device is arranged on the flip chassis between two jacking and flipping components. The jacking and flipping components include a worm gear lift, a flip seat, a support roller, a flip ring, a flip motor, and a chain. The worm gear lift is arranged on the flip chassis, and the flip seat is arranged at the output end of the worm gear lift. The flip seat is a groove structure, and support rollers are arranged at both ends of the flip seat. The flip ring is supported on the two support rollers in a rolling manner. The flip motor is arranged on the side wall of the flip seat, and a chain is sleeved on the outer peripheral wall of the flip ring. The output end of the flip motor is provided with a gear meshing with the chain, and a bayonet adapted to the shape of the raw material is provided on the flip ring. A guide telescopic rod is provided on the flip chassis below the flip seat The bottom of the flip seat is fixedly connected to the top of the guide telescopic rod. The conveying device includes a conveying frame, a conveying roller, a conveying motor, and an adjustable tightening mechanism. The conveying frame is arranged on the flip chassis. The conveying roller includes multiple conveying rollers and multiple driven rollers. The multiple conveying rollers and multiple driven rollers are alternately arranged along the material transmission direction. The conveying rollers are driven by the conveying motor on the conveying frame. The adjustable tightening mechanism is arranged between adjacent conveying rollers and multiple driven rollers. The adjustable tightening mechanism includes a tightening cylinder, a tightening head, and a positioning pad. The tightening cylinder and the tightening head are arranged on one side of the top of the conveying frame. The tightening head is connected to the output end of the tightening cylinder. The positioning pad is arranged on the other side of the top of the conveying frame and is opposite to the tightening head.

[0011] Furthermore, the material transmission devices of the fish belly weld root cleaning station and the center beam weld milling station both include a milling base, a second clamping mechanism, and a lifting and transmission mechanism. A plurality of second clamping mechanisms are sequentially arranged on the milling base along the material transmission direction. The second clamping mechanism includes a second clamping platform, a top plate, a first pull rod cylinder, a fixed pull hook, a movable pull hook, and a second pull rod cylinder. The lifting and transmission mechanism is arranged on one side of the second clamping platform. The fixed pull hook is vertically fixed to one end of the top of the second clamping platform, the movable pull hook is vertically arranged at the other end of the second clamping platform and is opposite to the fixed pull hook. The middle part of the movable pull hook is rotatably connected to the side wall of the end of the second clamping platform. The second pull rod cylinder is horizontally arranged at the bottom of the second clamping platform, and the lower end of the movable pull hook is connected to the output end of the second pull rod cylinder. The first pull rod cylinder is vertically arranged at the bottom of the second clamping platform, and the top plate is arranged between the fixed pull hook and the movable pull hook. It is connected to the output end of the first pull rod cylinder, and the lifting and transmission mechanism includes a worm gear lift, a lifting seat, and a power transmission component. The worm gear lift is arranged on one side of the second clamping platform, the lifting seat is arranged at the output end of the worm gear lift, and the power transmission component is arranged on the lifting seat. The fish belly weld root cleaning device and the middle beam weld milling device both include a three-axis moving module, a milling column, and a milling power head. The x-axis linear module is arranged on the milling base along the material transmission direction, the milling column is arranged on the x-axis linear module, the y-axis linear module is arranged on the top of the milling column, the z-axis linear module is arranged on the y-axis linear module, the milling power head is arranged on the z-axis linear module, and the milling power head is provided with a height tracking sensor. The middle beam weld milling device also includes a flipping mechanism arranged in the middle of the milling base and between two adjacent second clamping platforms.

[0012] Furthermore, the material transmission device of the hole and flange cutting station includes a cutting base, a third clamping mechanism, a jacking guide assembly, a flipping mechanism, and a belt conveyor. Two cutting bases are provided and the two cutting bases are arranged opposite to each other. The flipping mechanism is arranged between the two cutting bases. A plurality of third clamping mechanisms are arranged in sequence on the cutting base along the material transmission direction. The third clamping mechanism includes a third clamping platform, a clamping drive assembly, a clamping steel pipe, a main board, and a sub-board. The third clamping platform is mounted on the cutting base. The jacking guide assembly includes a jacking cylinder and a guide roller. Two lifting cylinders are arranged on the side, and both ends of the guide rollers are respectively arranged at the output ends of the two lifting cylinders. The belt conveyor is arranged on the cutting base just below the third clamping platform. The clamping drive components are arranged at both ends of the top of the third clamping platform. Clamping steel pipes are arranged on the two slides. The main board is arranged horizontally on the top of the clamping steel pipe, and the auxiliary plates are arranged on both sides of the clamping steel pipe and are parallel to the main board. The hole and flange cutting device includes a cutting operating table, a laser cutting mechanism, and a smoke purification hood. The cutting operating table and the cutting gantry are arranged on one side of the cutting base, and the smoke purification hood covers the laser cutting mechanism and the cutting base.

[0013] Furthermore, the material transmission device of the adjustment and repair station includes an adjustment and repair platform, an adjustment and repair base, and a lifting and transmission mechanism. A plurality of adjustment and repair bases are sequentially arranged on the adjustment and repair platform along the material transmission direction. The lifting and transmission mechanism is arranged on one side of the adjustment and repair base. The adjustment and repair device includes a clamping mechanism, a lateral adjustment and repair mechanism, a shaping mechanism, an upper and lower adjustment and repair mechanism, and a laser rangefinder. The clamping mechanism is arranged on the adjustment and repair bases at both ends of the adjustment and repair platform. The clamping mechanism includes a clamping gantry, a clamping cylinder, and a pressing block. The clamping gantry is arranged at the top of the adjustment and repair base, the clamping cylinder is arranged at the top of the clamping gantry, and the pressing block is arranged at the output end of the clamping cylinder. Both ends of the top of the adjustment and repair base are provided with lateral adjustment and repair mechanisms and shaping mechanisms. The lateral adjustment and repair mechanism includes a lateral adjustment and repair cylinder, an adjustment pressure head, and a reference limit block. The lateral adjustment and repair cylinder is arranged on the adjustment and repair base. The top, the adjustment pressure head is arranged at the output end of the lateral adjustment oil cylinder, the two adjustment pressure heads are arranged opposite to each other, the reference limit block is arranged at the top of the opposite side of the two adjustment pressure heads, the shaping mechanism includes a shaping cylinder and a shaping plate, the shaping cylinder is arranged on the top of the adjustment base, the shaping plate is arranged at the output end of the shaping cylinder, the two shaping plates are arranged opposite to each other, the upper and lower adjustment mechanisms are arranged on the adjustment platform near the clamping mechanism side, the upper and lower adjustment mechanisms include a bottom plate, a shaping gantry, an upper adjustment oil cylinder, a lower adjustment oil cylinder, and a shaping block, the bottom plate is arranged on the adjustment platform, the shaping gantry is arranged on the bottom plate, the upper adjustment oil cylinder is arranged on the top of the shaping gantry, the lower adjustment oil cylinder is arranged on the bottom plate, the output ends of the upper adjustment oil cylinder and the lower adjustment oil cylinder are both provided with shaping blocks, the two shaping blocks are arranged opposite to each other, and the laser rangefinder is arranged on both sides of the adjustment platform.

[0014] Furthermore, based on the above-mentioned fish belly beam automated production line, the present invention also provides a fish belly beam production method, comprising the following steps:

[0015] S1. The staff puts the I-beam raw materials on the loading device at the loading station, sends the raw materials to the material transmission device through the loading device, and then transmits the raw materials from the loading station to the fish belly cutting station through the material transmission device.

[0016] S2. After the raw material arrives at the fish belly cutting station, the fish belly cutting device cuts the belly plates at both ends of the raw material to cut the belly plates of the raw material into a fish belly shape. After the fish belly cutting is completed, the raw material is transferred to the fish belly pressing station through the material transfer device.

[0017] S3. After the raw material arrives at the fish belly pressing station, the fish belly pressing device presses the incision of the raw material belly plate to form a weld. After the pressing is completed, the raw material is transmitted to the fish belly reverse welding station through the material transmission device.

[0018] S4. After the raw material arrives at the fish belly reverse welding station, the raw material is first turned 180°, and then the fish belly reverse welding device welds the reverse side of the raw material weld. After welding is completed, the raw material is rotated 180°, and then the raw material is transferred to the fish belly weld root cleaning station through the material transfer device.

[0019] S5. After the raw material arrives at the fish belly weld root cleaning station, the fish belly weld root cleaning device performs milling cleaning on the weld root from the front of the weld. After the root cleaning is completed, the raw material is transmitted to the fish belly front welding station through the material transmission device.

[0020] S6. After the raw material arrives at the fish belly front welding station, the fish belly front welding device welds the front of the weld. After welding is completed, the raw material is transmitted to the hole and flange cutting station through the material transmission device.

[0021] S7. After the raw material arrives at the hole and flange cutting station, the raw material is first turned 90°, and then the hole and flange cutting device performs flange cutting on the raw material. After the flange cutting is completed, the raw material is rotated 90°, and the hole and flange cutting device performs hole cutting on the raw material again. After the hole cutting is completed, the rough fish belly beam is obtained, and the rough fish belly beam is then transmitted to the adjustment station through the material transmission device.

[0022] S8. After the rough fish belly beam arrives at the adjustment and repair station, the adjustment and repair device performs structural adjustment on the rough fish belly beam, and measures the disturbance and core plate reference flatness of the rough fish belly beam through the laser rangefinder 94. After the measurement is qualified, the finished fish belly beam is obtained, and then the finished fish belly beam is transmitted to the middle beam weld milling station through the material transmission device.

[0023] S9. After the finished fish belly beam arrives at the middle beam weld milling station, the middle beam weld milling device mills the weld excess height of the middle beam section of the finished fish belly beam. After milling, the finished fish belly beam is transferred to the unloading station via the material conveying device, and then the finished product is unloaded through the unloading device.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The present invention connects various processes through a material transmission device, and then realizes the continuous automated production and processing of fish belly beams through the processing devices of each process. The overall automation level is high, which can reduce labor intensity and improve work efficiency.

[0026] 2. The present invention can realize the master-slave alternating relay conveying of raw materials through the setting of the longitudinal transmission roller, so that the raw material transmission is more stable and reliable, and local damage will not affect the normal transmission of materials, thereby ensuring the production progress.

[0027] 3. When the raw materials are processed at each processing station, the present invention can automatically position the raw materials to keep the raw materials stable during the processing, prevent the raw materials from shifting, shaking, moving and other problems during the processing, thereby improving the processing accuracy.

[0028] 4. In the present invention, the adjustment device can be used to adjust the head swing, disturbance and core disk reference flatness of the fish belly beam rough product, and the disturbance and core disk reference flatness of the fish belly beam rough product can be measured by a laser rangefinder. Through continuous adjustment until the measured data meets the use standard requirements, qualified products can be obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the loading station and the unloading station in the present invention;

[0030] Figure 2 It is a partial structural schematic diagram of the material transmission device of the loading station, the fish belly cutting station and the unloading station in the present invention;

[0031] Figure 3 It is a structural schematic diagram of the loading rack and the chain conveyor in the present invention;

[0032] Figure 4 It is a structural schematic diagram of the lifting and transferring mechanism in the present invention;

[0033] Figure 5 This is a schematic diagram of the overall structure of the fish belly cutting station in the present invention;

[0034] Figure 6 It is a partial structural schematic diagram of the laser cutting mechanism in the present invention;

[0035] Figure 7 It is a structural schematic diagram of the waste transport mechanism in the present invention;

[0036] Figure 8 It is a schematic diagram of the overall structure of the pressing station in the present invention;

[0037] Fig. 9 It is a structural schematic diagram of the jacking transmission mechanism in the present invention;

[0038] Fig.10 It is a schematic structural diagram of the pressing assembly in the present invention from a first viewing angle;

[0039] Fig.11 It is a schematic structural diagram of the pressing assembly in the present invention from a second viewing angle;

[0040] Fig.12 It is a partial structural schematic diagram of the material transmission device of the pressing station in the present invention;

[0041] Fig.13 It is a schematic diagram of the overall structure of the fish belly back side welding station and the fish belly front side welding station in the present invention;

[0042] Fig.14 It is a structural schematic diagram of the first clamping mechanism in the present invention;

[0043] Fig.15 It is a schematic diagram of the structure of the flip assembly in the present invention;

[0044] Fig.16 It is a schematic diagram of the overall structure of the conveying device in the present invention;

[0045] Fig.17 It is a partial structural schematic diagram of a fish belly back side welding device and a fish belly front side welding device in the present invention;

[0046] Fig.18 It is a schematic diagram of the overall structure of the fish belly weld root cleaning station and the middle beam weld milling station in the present invention;

[0047] Fig.19 is a schematic structural diagram of the second clamping mechanism in the present invention;

[0048] Fig. 20 It is a partial structural schematic diagram of the fish belly weld root cleaning device and the middle beam weld milling device in the present invention;

[0049] Fig.21 It is a schematic diagram of the overall structure of the hole and flange cutting station of the present invention;

[0050] Fig. 22 is a schematic structural diagram of the third clamping mechanism in the present invention;

[0051] Fig.23 It is a schematic diagram of the overall structure of the adjustment and repair station in the present invention;

[0052] Fig.24 It is a structural schematic diagram of the pressing mechanism in the present invention;

[0053] Fig.25 It is a structural schematic diagram of the lateral adjustment mechanism and the shaping mechanism in the present invention;

[0054] Fig.26 It is a structural schematic diagram of the upper and lower adjustment mechanism in the present invention;

[0055] Fig. 27 It is a schematic diagram of the adjustment plane of the rough fish belly beam in the present invention;

[0056] Fig.28 It is a structural schematic diagram of the material width detection mechanism in the present invention.

[0057] In the figure: 1. Transmission frame; 2. Roller motor; 3. Conveying roller; 4. Driven roller; 5. Lateral guide wheel; 6. Constraint plate; 7. Corner motor; 8. Constraint stop bar; 9. Loading rack; 10. Chain conveyor; 11. Wheel rail; 12. Transfer trolley; 13. Worm gear elevator; 14. Support plate; 15. Smoke and dust purification hood; 16. Cutting gantry; 17. Laser cutting machine; 18. X-axis linear module; 19. Y-axis linear module; 20. Z-axis linear module; 21. Air-conditioned constant temperature room; 22. Voltage stabilized power supply; 23. Transport track; 24. Track trolley; 25. Transport rack; 26. Scrap support plate; 27, support platform; 28, lifting cylinder; 29, outer cylinder; 30, transmission roller; 31, transmission motor; 32, pressing track; 33, rack; 34, support beam; 35, pressing gantry; 36, lateral pressure head; 37, lateral cylinder; 38, pressing head; 39, pressing cylinder; 40, gantry motor; 41, gear; 42, positioning plate; 43, welding base; 44, first clamping platform; 45, groove clamping plate; 46, clamping cylinder; 47, slideway; 48, slide seat; 49, welding gantry; 50, submerged arc welding machine; 51, flip chassis; 52, flip seat; 53, support roller Wheel; 54, turning circle; 55, bayonet; 56, conveying frame; 57, conveying motor; 58, conveying roller; 59, driven roller; 60, top cylinder; 61, top pressure head; 62, positioning pad; 63, milling base; 64, second clamping platform; 65, top plate; 66, first tie rod cylinder; 67, fixed hook; 68, movable hook; 69, second tie rod cylinder; 70, lifting seat; 71, milling column; 72, milling power head; 73, cutting base; 74, third clamping platform; 75, clamping steel pipe; 76, main board; 77, auxiliary board; 78, guide roller; 79, adjustment platform; 80, adjustment Base; 81, clamping gantry; 82, clamping cylinder; 83, pressure block; 84, lateral adjustment cylinder; 85, adjustment pressure head; 86, shaping cylinder; 87, shaping plate; 88, bottom plate; 89, shaping gantry; 90, upper adjustment cylinder; 91, lower adjustment cylinder; 92, shaping block; 93, anti-fall bracket; 94, laser rangefinder; 95, reference limit block; 96, flip motor; 97, chain; 98, guide telescopic rod; 99, height tracking sensor; 100, mounting plate; 101, rib; 102, adjustment end cover; 103, detection frame; 104, support frame; 105, positioning block. DETAILED DESCRIPTION

[0058] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0059] An automated production line for fish belly beams comprises a loading station, a fish belly cutting station, a fish belly pressing station, a fish belly reverse side welding station, a fish belly weld root cleaning station, a fish belly front side welding station, a hole and flange cutting station, a repair station, a center beam weld milling station and a material unloading station which are arranged in sequence according to a processing sequence, wherein each station is provided with a material transmission device, and each station is provided with a loading device, a fish belly cutting device, a fish belly pressing device, a fish belly reverse side welding device, a fish belly weld root cleaning device, a fish belly front side welding device, a hole and flange cutting device, a repair device, a center beam weld milling device and a material unloading device in accordance with a processing sequence.

[0060] Based on the fish belly beam automated production line of the present invention, during production and processing, the staff places the I-beam raw material on the loading device at the loading station, sends the raw material to the material transmission device through the loading device, and then transmits the raw material from the loading station to the fish belly cutting station through the material transmission device; after the raw material arrives at the fish belly cutting station, the fish belly cutting device cuts the webs at both ends of the raw material to cut the raw material web into a fish belly shape, and after the fish belly cutting is completed, the raw material is transmitted to the fish belly pressing station through the material transmission device; after the raw material arrives at the fish belly pressing station, the fish belly pressing device presses the cut of the raw material web to form a weld. After the pressing is completed, the raw material is transmitted to the fish belly reverse welding station through the material transmission device; after the raw material arrives at the fish belly reverse welding station, the raw material is first turned 180°, and then the fish belly reverse welding device welds the reverse side of the raw material weld. After the welding is completed, the raw material is rotated 180°, and then the raw material is transmitted to the fish belly weld root cleaning station through the material transmission device; after the raw material arrives at the fish belly weld root cleaning station, the fish belly weld root cleaning device mills and cleans the weld root from the front of the weld. After the root cleaning is completed, the raw material is transmitted to the fish belly front welding station through the material transmission device; the raw material arrives at the fish belly front welding station After that, the fish belly front welding device welds the front of the weld. After welding is completed, the raw material is transmitted to the hole and flange cutting station through the material transmission device; after the raw material arrives at the hole and flange cutting station, the raw material is first turned 90°, and then the hole and flange cutting device cuts the upper flange of the raw material. After the flange cutting is completed, the raw material is rotated 90°, and the hole and flange cutting device then performs hole cutting on the web of the raw material. After the hole cutting is completed, the rough fish belly beam is obtained, and the rough fish belly beam is then transmitted to the adjustment and repair station through the material transmission device; after the rough fish belly beam arrives at the adjustment and repair station, the adjustment and repair device shakes the rough fish belly beam The degree and core plate reference flatness are adjusted, and the disturbance degree and core plate reference flatness of the rough fish belly beam are measured by a laser rangefinder. Through continuous adjustment until the measured data meets the use standard requirements, a fish belly beam finished product with qualified quality is obtained, and then the fish belly beam finished product is transmitted to the middle beam weld milling station through the material transmission device; after the fish belly beam finished product arrives at the middle beam weld milling station, the middle beam weld milling device mills the weld excess height of the middle beam section of the fish belly beam finished product. After milling is completed, the fish belly beam finished product is transmitted to the unloading station through the material transmission device, and then the finished product is unloaded by the unloading device.

[0061] Such as 1. Figure 2 As shown, the material transmission devices of the loading station, the fish belly cutting station and the unloading station all include a transmission frame 1, a longitudinal transmission roller, a roller motor 2, and a workpiece restraint mechanism. The transmission tire frame 1 is a rectangular frame structure with a hollow middle. The longitudinal transmission roller includes two groups of roller groups which are respectively arranged on both sides of the top of the transmission tire frame 1 and are symmetrical to each other. The roller group includes multiple conveying rollers 3, multiple driven rollers 4 and multiple lateral guide wheels 5. Multiple conveying rollers 3 and multiple driven rollers 4 are alternately installed on the transmission tire frame 1 along the material transmission direction. The conveying rollers 3 on one side of the transmission tire frame 1 are driven by the roller motor 2 installed on the transmission tire frame 1. The lateral guide wheels 5 and the workpiece restraint mechanism are installed between adjacent conveying rollers 3 and driven rollers 4; the workpiece restraint mechanism includes a restraint plate 6, an angle motor 7 and a restraint bar 8. The restraint plate 6 is upright and fixed on the top of the transmission tire frame 1. The top and bottom of the restraint plate 6 are both installed with angle motors 7. The restraint bar 8 is fixed at the output end of the angle motor 7. The workpiece restraint mechanism does not work during loading and unloading. It is mainly used for clamping the raw materials when the fish belly cutting device cuts the raw materials to prevent the raw materials from deformation after cutting.

[0062] Based on the above-mentioned material transmission device, the raw material is placed horizontally on the longitudinal transmission roller, so that the flanges on both sides of the raw material are supported on two groups of roller groups respectively, and the conveying roller 3 is driven to rotate by the roller motor 2, and then the raw material is transmitted with the cooperation of the driven roller 4. The roller motor 2 adopts variable frequency speed regulation synchronous drive, and the master-slave alternating relay transmission is realized by alternatingly setting the conveying roller 3 and the driven roller 4, so that the raw material transmission is more stable and reliable, and the damage of a single roller motor 2 will not affect the normal transmission of the material. During the raw material transmission process, the lateral guide wheel 5 rolls with the raw material flange to realize lateral limitation and guidance of the raw material, and further prevents the raw material from lateral deviation during the transmission process.

[0063] like Figure 1 , Figure 3 , Figure 4 , Fig.28As shown, the transmission frame 1 of the loading station and the unloading station is provided with multiple breaks in sequence along the transmission direction, and the loading device and the unloading device both include a loading frame 9, a chain plate conveyor 10, and a lifting and transferring mechanism. A loading frame 9 is provided at the multiple breaks located on the same side of the transmission frame 1, the chain plate conveyor 10 is installed on the top of the loading frame 9 and is located above the longitudinal transmission roller, the lifting and transferring mechanism is provided at the break, and an anti-fall bracket 93 is provided on the top of the loading frame 9 beside the end of the chain plate conveyor 10; the lifting and transferring mechanism includes a wheel rail 11, a transfer trolley 12, a worm gear elevator 13, and a support plate 14, the wheel rail 11 is provided at the break, the transfer trolley 12 is provided on the wheel rail 11, the worm gear elevator 13 is installed on the transfer trolley 12, and the support plate 14 is fixed at the output end of the worm gear elevator 13 ; In order to facilitate the processing equipment of each subsequent processing station to make processing preparations in advance according to the raw material specifications, a material width detection mechanism is provided on one side of the loading rack 9, and the material width detection mechanism includes a detection frame 103, a worm gear lift 13, a support frame 104, a laser rangefinder 94, and a positioning block 105. The worm gear lift 13 is installed on the detection frame 103, the support frame 104 is fixed at the output end of the worm gear lift 13, the laser rangefinder 94 and the positioning block 105 are respectively fixedly installed at both ends of the support frame 104, and the positioning block 105 is provided with a positioning slot.

[0064] Based on the above-mentioned loading device and unloading device, when loading, the worm gear elevator 13 drives the support frame 104 to rise above the chain conveyor 10, and then the staff places the raw material horizontally (the raw material web is in a flat state) on the support frame 104 located on the same side of the transmission tire frame 1, so that the flange on one side of the raw material is stuck in the positioning groove on the positioning block 105, and then the center of the positioning groove is used as a reference, and the distance between the flange on the other side of the raw material and the laser rangefinder 94 is measured by the laser rangefinder 94. The width of the raw material can be obtained by subtracting the distance measured by the laser rangefinder 94 from the distance between the positioning block 105 and the laser rangefinder 94. The laser rangefinder 94 can communicate with the controller wirelessly or wiredly and transmit the measured data to the controller. The controller calculates the width of the raw material based on the received data information and issues processing parameter adjustment instructions to the processing equipment at each workstation, so that the processing equipment can adjust the processing parameters according to the instructions and make processing preparations in advance. After the width detection is completed, the worm gear elevator 13 drives the support frame 104 to descend and place the raw material on the chain conveyor 10 for transportation and loading. When the raw material is transported to the chain conveyor 10 near one end of the transmission tire frame 1, the material transfer trolley 12 travels along the wheel track 11 to the chain conveyor 10, and then the worm gear elevator 13 drives the supporting plate 14 to rise, and then the raw material is supported by the supporting plate 14 when the raw material leaves the chain conveyor 10, and then the material transfer trolley 12 travels along the wheel track 11 to the fracture of the transmission tire frame 1, and then the worm gear elevator 13 drives the supporting plate 14 to descend, and then the raw material is placed on the longitudinal transmission roller to complete the loading. When unloading, the working process of the unloading device is opposite to that of the loading device, which will not be described in detail here.

[0065] Through the coordinated use of the chain conveyor 10, the lifting and transferring mechanism and the longitudinal transmission roller, automatic loading of raw materials can be realized, reducing the labor intensity of the staff, and in the actual production and processing process, the loading devices can be symmetrically arranged on both sides of the transmission tire frame 1, so that the lifting and transferring mechanism can alternately transfer the raw materials on both sides of the transmission tire frame 1, and then the intermediate loading method can be adopted to further improve work efficiency.

[0066] like Figure 5-Figure 7 As shown, the fish belly cutting device includes a cutting operation table, a laser cutting mechanism, a smoke and dust purification hood 15 and a waste transport mechanism. The cutting operation table and the laser cutting mechanism are arranged on one side of the transmission frame 1, the smoke and dust purification hood 15 is arranged at both ends of the transmission frame 1 and covers the laser cutting mechanism and the transmission frame 1, and an exhaust fan can be installed on the smoke and dust purification hood 15 to extract the smoke generated during cutting. The waste transport mechanism is arranged at both ends of the transmission frame 1 and is located below the longitudinal transmission roller. Figure 6As shown, the laser cutting mechanism includes a cutting gantry 16, a three-axis moving module, and a laser cutting machine 17. The three-axis moving module includes an x-axis linear module 18, a y-axis linear module 19, and a z-axis linear module 20. The cutting gantry 16 is arranged on one side of the transmission frame 1, the x-axis linear module 18 is installed on the cutting gantry 16 along the material transmission direction, the y-axis linear module 19 is installed on the x-axis linear module 18, the z-axis linear module 20 is installed on the y-axis linear module 19, and the laser cutting machine 17 is installed on the z-axis linear module 20. Driven by the three-axis moving module, the laser cutting machine 17 can be moved forward and backward, left and right, and up and down, thereby adjusting the position of the laser cutting machine 17 so that the laser cutting machine 17 can cut the raw material web; as shown Figure 5 As shown, the cutting operation table includes an air-conditioned constant temperature room 21, a voltage-stabilized power supply 22, a water-cooling machine, and a laser. The laser and the water-cooling machine are installed in the air-conditioned constant temperature room 21. The laser is electrically connected to the voltage-stabilized power supply 22. The laser cutting machine 17 and the water-cooling machine are both connected to the laser. The laser generated by the laser is used for the laser cutting machine to perform cutting operations, and the water-cooling machine cools the laser so that the laser can maintain normal operation. Figure 7 As shown, the waste transport mechanism includes a transport track 23, a rail trolley 24, a transport frame 25, a worm gear elevator 13, and a waste support plate 26. The rail trolley 24 is arranged on the transport track 23, the transport frame 25 is fixed on the rail trolley 24, the worm gear elevator 13 is installed on the transport frame 25, and the waste support plate 26 is fixed on the output end of the worm gear elevator 13.

[0067] Based on the above-mentioned fish belly cutting device, when the fish belly of the raw material is cut, by arranging the roller groups on both sides of the transmission tire frame 1, the two sides of the material are supported on the two groups of roller groups respectively, so that space is left in the middle of the transmission tire frame 1, thereby preventing the laser from penetrating the material and causing damage to the longitudinal transmission roller when the laser cutting machine 17 cuts, and the corner motor 7 drives the constraint baffle 8 to rotate, so that the constraint baffle 8 abuts against the inner side of the raw material flange, thereby achieving the clamping of the raw material flange, and the worm gear elevator 13 drives the waste support plate 26 to rise to the bottom of the longitudinal transmission roller, and then, driven by the three-axis moving module, the laser cutting machine 17 cuts the raw material belly plate, and the cut waste naturally falls onto the waste support plate 26 through the hollow part in the middle of the longitudinal transmission roller, and then the worm gear elevator 13 drives the waste support plate 26 to descend, and the track trolley 24 then travels along the transport track 23 to the outside of the transport tire frame, thereby moving the waste out.

[0068] like Figure 8-Figure 12 As shown, the material transmission device of the pressing station includes a support platform 27 and a lifting transmission mechanism. There are multiple support platforms 27 and multiple support platforms 27 are arranged in sequence along the material transmission direction. The lifting transmission mechanism is arranged between two adjacent support platforms 27. Fig. 9As shown, the lifting transmission mechanism includes a lifting cylinder 28, an outer cylinder 29, and a power transmission component. The outer cylinder 29 is fixed between two support platforms 27. The lifting cylinder 28 is installed in the outer cylinder 29. A mounting plate 100 is movably provided on the top of the outer cylinder 29. The mounting plate 100 is fixedly connected to the output end of the lifting cylinder 28. The power transmission component includes a transmission roller 30 and a transmission motor 31. The transmission roller 30 and the transmission motor 31 are installed on the mounting plate 100. One end of the transmission roller 30 is connected to the output end of the transmission motor 31. The two ends of the transmission roller 30 are fixed with ribs 101. The transmission roller 30 is provided with a sliding sleeve with an adjustment end cover 102. The adjustment end cover 102 can be connected to the rib 101 away from the transmission motor 31 through an adjustment bolt. Figure 8 As shown, both ends of the material transmission device of the pressing station are equipped with fish belly pressing devices, such as Figure 10-12 As shown, the fish belly pressing device includes a pressing track 32 and a pressing assembly. The pressing track 32 is arranged on both sides of the material transmission device along the material transmission direction. The side wall of the pressing track 32 is fixed with a rack 33. The pressing assembly includes a support beam 34, a pressing gantry 35, a lateral pressure head 36, a lateral oil cylinder 37, a downward pressure head 38, and a downward pressure oil cylinder 39. The support beam 34 is slidably arranged on the pressing track 32, and the pressing gantry 35 is fixed on the support beam 34. A gantry motor 40 is installed on the support beam 34. The output end of the gantry motor 40 is fixed with a gear connected to the rack 33. The meshing gear 41, and then under the meshing of the gear 41 and the rack 33, the gantry motor 40 can drive the support beam 34 and the pressing gantry 35 to move along the pressing track 32, and a plurality of positioning plates 42 are provided on one side of the top of the support platform 27 along the material transmission direction, and the lateral cylinder 37 is installed on the support beam 34, and the lateral pressure head 36 is located on the inner side of the support beam 34 opposite to the positioning plate 42 and is fixedly connected to the output end of the lateral cylinder 37, and the downward pressure cylinder 39 is installed on the top of the pressing gantry 35, and the downward pressure head 38 is fixedly connected to the output end of the downward pressure cylinder 39.

[0069] Based on the above-mentioned pressing device, at the pressing station, the lifting cylinder 28 drives the mounting plate 100 to rise, and then the raw material is supported above the support platform 27 through the transmission roller 30, so that the transmission motor 31 drives the transmission roller 30 to transmit the raw material. When transmitting the raw material, the raw material is supported on the transmission roller 30 between the adjusting end cover 102 and the retaining edge 101 close to the transmission motor 31. The raw material is limited by adjusting the end cover 102 and the retaining edge 101. According to the width of the raw material, the distance between the adjusting end cover 102 and the retaining edge 101 close to the transmission motor 31 can be adjusted by sliding the adjusting end cover 102 to make the distance match the width of the raw material, and then the adjusting bolt is tightened to fix the adjusting end cover 102, so that it can be suitable for transmitting raw materials of various width specifications while ensuring stable transmission of the raw material; When the raw material is pressed, a long pad is placed on the support platform 27, and the lifting cylinder 28 drives the mounting plate 100 to descend, and then the raw material is placed on the support platform 27, and the web of the raw material is supported by the long pad. Then the pressing cylinder 39 drives the pressing head 38 to press the web of the raw material, and the lateral cylinder 37 drives the lateral head 36 to press against one side of the raw material flange, so that the other side of the raw material abuts against the positioning plate 42, and then as the lateral cylinder 37 further applies pressure, the webs on both sides of the incision are pressed together. During the pressing process, the long pad and the pressing head 38 limit the raw material up and down, so that the webs on both sides of the incision can move smoothly during pressing, and prevent the occurrence of joint misalignment due to the elasticity of the material during the pressing process. As the gantry motor 40 synchronously drives the pressing gantry 35 to move, the pressing work is completed. After the pressing is completed, the lifting cylinder 28 drives the transmission roller 30 to lift the raw material, and then drives the transmission roller 30 through the transmission cylinder to transfer the raw material to the welding station on the back of the fish belly.

[0070] like Figure 13-Figure 17 As shown, the material transmission devices of the fish belly back welding station and the fish belly front welding station both include a welding base 43, a first clamping mechanism, and a power transmission component. Two welding bases 43 are provided and the two welding bases 43 are arranged opposite to each other. A plurality of first clamping mechanisms are sequentially provided on the welding base 43 along the material transmission direction. Fig.14 As shown, the first clamping mechanism includes a first clamping platform 44, a clamping drive assembly, and a groove clamping plate 45. The first clamping platform 44 is fixed on the welding base 43. The power transmission assembly is arranged on one side of the first clamping platform 44. The clamping drive assembly is arranged at both ends of the top of the first clamping platform 44. The clamping drive assembly includes a clamping cylinder 46, a slide 47, and a slide seat 48. The slide 47 is fixed at the end of the first clamping platform 44. The slide seat 48 is slidably arranged on the slide 47. The clamping cylinder 46 is installed on the first clamping platform 44 between the two slides 47. The output end of the clamping cylinder 46 is fixed to the bottom of the slide seat 48. The two slide seats 48 are fixed with groove clamping plates 45. The two groove clamping plates 45 are arranged opposite to each other. The groove width of the groove clamping plates 45 is adapted to the width of the raw material flange; as shown Fig.13 , Fig.17As shown, the fish belly back welding device and the fish belly front welding device both include a welding gantry 49, a three-axis moving module, and a submerged arc welding machine 50. The welding gantry 49 is arranged on one side of the welding base 43. The x-axis linear module 18 is installed on the welding gantry 49 along the material transmission direction. The y-axis linear module 19 is installed on the x-axis linear module 18. The z-axis linear module 20 is installed on the y-axis linear module 19. The submerged arc welding machine 50 is installed on the z-axis linear module 20. Driven by the three-axis moving module, the submerged arc welding machine 50 can be moved forward and backward, left and right, and up and down, thereby adjusting the position of the submerged arc welding machine 50 so that the submerged arc welding machine 50 can weld the weld formed by pressing the raw material web. The submerged arc welding machine 50 is integrated with a welding wire feeding system and a flux recovery system. Fig.13 , Fig.15 , Fig.16 As shown, the fish belly back side welding device also includes a flipping mechanism arranged between the two welding bases 43, and the flipping mechanism includes a flipping frame 51, a lifting and flipping assembly, and a conveying device. The lifting and flipping assemblies are arranged at both ends of the flipping frame 51, and the conveying device is arranged on the flipping frame 51 between the two lifting and flipping assemblies. The lifting and flipping assembly includes a worm gear lift 13, a flip seat 52, a support roller 53, a flip ring 54, a flip motor 96, and a chain 97. The worm gear lift 13 is installed on a flip base frame 51. The flip seat 52 is fixed to the output end of the worm gear lift 13. The flip seat 52 is a groove-type structure. Support rollers 53 are installed at both ends of the flip seat 52. The flip ring 54 is supported by two support rollers 53 for rolling. The flip motor 96 is installed on the side wall of the flip seat 52. A chain 97 is sleeved on the outer peripheral wall of the flip ring 54. A gear meshing with the chain 97 is installed at the output end of the flip motor 96. The flip ring 54 is provided with a bayonet 55 that matches the shape of the raw material. The raw material can be clamped by the bayonet 55. A guide telescopic rod 98 is installed on the flip base frame 51 below the flip seat 52. The bottom of the flip seat 52 is fixedly connected to the top of the guide telescopic rod 98. Fig.16 As shown, the conveying device includes a conveying frame 56, a conveying roller, a conveying motor 57, and an adjustable tightening mechanism. The conveying frame 56 is fixed on the flip chassis 51. The conveying roller includes a plurality of conveying rollers 58 and a plurality of driven rollers 59. The plurality of conveying rollers 58 and a plurality of driven rollers 59 are alternately installed on the conveying frame 56 along the material transmission direction, thereby realizing the master-slave alternating transmission of the raw materials. The conveying rollers 58 are driven by the conveying motor 57 on the conveying frame 56; the adjustable tightening mechanism is arranged between adjacent conveying rollers 58 and a plurality of driven rollers 59, and the adjustable tightening mechanism includes a tightening cylinder 60, a tightening head 61, and a positioning pad 62. The tightening cylinder 60 and the tightening head 61 are arranged on one side of the top of the conveying frame 56, the tightening head 61 is fixedly connected to the output end of the tightening cylinder 60, and the positioning pad 62 is fixed on the other side of the top of the conveying frame 56 and is opposite to the tightening head 61.

[0071] Based on the above-mentioned fish belly reverse side welding device and fish belly front side welding device, when performing reverse side welding on the raw material fish belly, the power transmission component and the conveying roller conveyor transmit the raw material so that the raw material is stuck on the flip ring 54, and then the worm gear lift 13 drives the flip seat 52 to rise, and the guide telescopic rod 98 is used to realize the movement and guidance of the flip seat 52, so that the raw material is located above the material transmission device, so that under the rolling support of the support roller 53, the flip motor 96 drives the flip ring 54 to rotate around its own central axis through the gear and chain 97, and flips the raw material 180°, and then the lifting cylinder 28 drives the flip seat 52 to descend, and the raw material is placed on the welding bottom. On the seat 43, the top cylinder 60 then drives the top pressure head 61 to push the raw material toward the positioning pad 62, so that the raw material is clamped between the top pressure head 61 and the positioning pad 62 to achieve the positioning of the raw material. At the same time, the clamping cylinder 46 drives the slide 48 to move along the slide 47, so that the two groove clamps 45 move relative to each other and clamp the raw material flange to keep the weld small enough. Then, driven by the three-axis moving module, the submerged arc welding machine 50 welds the back of the web along the weld. After welding, the clamping of the raw material is released and the raw material is rotated 180°. Finally, the raw material is placed on the power transmission component and the conveying roller and transmitted to the fish belly weld root cleaning station. When the raw material fish belly is welded from the front, it is not necessary to flip the raw material, and the fish belly front welding device does not need to use a flipping mechanism. The rest of the working principles are the same as the fish belly reverse welding, and will not be described in detail later.

[0072] The submerged arc welding machine 50 can be a double-wire submerged arc welding machine or a single-wire submerged arc welding machine. In this embodiment, double-wire submerged arc welding is preferably used. The weld of the fish belly beam is in a "Z" shape. According to the direction of the weld, the welding trajectory control principle of the submerged arc welding machine 50 is as follows:

[0073] According to the workpiece drawing and process, points are collected for the "Z" pattern required by the process; the graphic structure of each segment is subdivided, and the trajectory is functionalized into three-axis functions (which may involve plane geometry (plane interpolation) and solid geometry (helical interpolation)) formula calculations, and then arranged in order and stored in the control system as data. Multiple trajectories can be stored; the previous trajectory data is called out with one click or automatically as required; the control system operates according to the trajectory data.

[0074] like Figure 18-Figure 20 As shown, the material transmission devices of the fish belly weld root cleaning station and the middle beam weld milling station both include a milling base 63, a second clamping mechanism, and a lifting transmission mechanism. The milling base 63 is provided with a plurality of second clamping mechanisms in sequence along the material transmission direction. Fig.19As shown, the second clamping mechanism includes a second clamping platform 64, a top plate 65, a first pull rod cylinder 66, a fixed hook 67, a movable hook 68, and a second pull rod cylinder 69. The lifting and transmission mechanism is arranged on one side of the second clamping platform 64. The fixed hook 67 is vertically fixed to one end of the top of the second clamping platform 64, and the movable hook 68 is vertically arranged at the other end of the second clamping platform 64 and is opposite to the fixed hook 67. The middle part of the movable hook 68 is rotatably connected to the side wall of the end of the second clamping platform 64. The second pull rod cylinder 69 is horizontally installed at the bottom of the second clamping platform 64. The lower end of the hook 68 is fixed to the output end of the second rod cylinder 69, the first rod cylinder 66 is vertically installed at the bottom of the second clamping platform 64, the top plate 65 is arranged between the fixed hook 67 and the movable hook 68 and fixed to the output end of the first rod cylinder 66; the lifting transmission mechanism includes a worm gear lift 13, a lifting seat 70, and a power transmission component. The worm gear lift 13 is fixed to one side of the second clamping platform 64, the lifting seat 70 is fixed to the output end of the worm gear lift 13, and the power transmission component is installed on the lifting seat 70. Fig.18 , Fig. 20 As shown, the fish belly weld root cleaning device and the center beam weld milling device both include a three-axis moving module, a milling column 71, and a milling power head 72. The x-axis linear module 18 is installed on the milling base 63 along the material transmission direction, the milling column 71 is installed on the x-axis linear module 18, the y-axis linear module 19 is installed on the top of the milling column 71, the z-axis linear module 20 is installed on the y-axis linear module 19, the milling power head 72 is installed on the z-axis linear module 20, and the milling power head 72 is installed with a height tracking sensor 99. Driven by the three-axis moving module, the milling power head 72 can be moved forward and backward, left and right, and up and down, and then the position of the milling power head 72 can be adjusted so that the milling power head 72 can mill the weld of the raw material web. The height tracking sensor 99 detects the weld residual height during the milling process, and then adjusts the height of the milling power head 72 according to the detection result, so that the weld residual height after milling remains consistent to ensure the processing quality. The height tracking sensor 99 can adopt a contact or non-contact displacement sensor, and the non-contact displacement sensor can adopt a laser displacement sensor; the welding center beam weld milling device also includes a flipping mechanism arranged in the middle of the milling base 63 and located between two adjacent second clamping platforms 64.

[0075] Based on the above-mentioned fish belly weld root cleaning device and middle beam weld milling device, when the raw material is transmitted at the fish belly weld root cleaning station, the worm gear lifter 13 drives the lifting seat 70 to rise, and then supports the raw material above the second clamping platform 64 through the transmission roller 30, so that the transmission motor 31 drives the transmission roller 30 to transmit the raw material; when the fish belly weld is cleaned, the worm gear lifter 13 drives the lifting seat 70 to descend, and then the raw material is placed on the second clamping platform 64, and then the first pull rod cylinder 66 drives the top plate 65 to lift the raw material, and at the same time the second pull rod cylinder 69 drives the movable hook 68 to rotate, so that the raw material is clamped between the fixed hook 67 and the movable hook 68, and then the raw material is positioned to prevent the raw material from moving during the milling process, and then driven by the three-axis moving module, the milling power head 72 cleans the weld, and after the cleaning is completed, the worm gear lifter 13 drives the lifting seat 70 to rise again, lifts the raw material, and then transmits the raw material to the front welding station for processing. Since the raw material does not need to be turned over when cleaning the belly weld, there is no need to set up a turning mechanism at the belly weld cleaning station. However, when cleaning the middle beam weld of the raw material, a turning mechanism needs to be set up at the middle beam weld cleaning station. When cleaning the root, the raw material is first turned 180° by the turning mechanism, and then the weld is cleaned. After the cleaning is completed, the clamping of the raw material is released and the raw material is rotated 180°. The rest of the working principle is the same as the belly weld cleaning, and will not be described in detail later. During the weld cleaning and milling process, the milling power head 72 also works along the direction of the weld. The specific milling trajectory control principle is the same as that of the submerged arc welding machine 50, and will not be described in detail here.

[0076] like Figure 21-22 As shown, the material transmission device of the hole and flange cutting station includes a cutting base 73, a third clamping mechanism, a lifting guide assembly, a flipping mechanism, and a belt conveyor. Two cutting bases 73 are provided and the two cutting bases 73 are arranged opposite to each other. The flipping mechanism is arranged between the two cutting bases 73. A plurality of third clamping mechanisms are arranged in sequence on the cutting base 73 along the material transmission direction. Fig. 22As shown, the third clamping mechanism includes a third clamping platform 74, a clamping drive assembly, a clamping steel pipe 75, a main plate 76, and a sub-plate 77. The third clamping platform 74 is mounted on the cutting base 73. The jacking guide assembly includes a jacking cylinder 28 and a guide roller 78. Two jacking cylinders 28 are installed on one side of the third clamping platform 74. Both ends of the guide roller 78 are respectively installed on the output ends of the two jacking cylinders 28. The belt conveyor is installed on the cutting base 73 directly below the third clamping platform 74. The clamping drive assembly is arranged on the top of the third clamping platform 74. At both ends of the part, two slide seats 48 are fixed with clamping steel pipes 75, the main board 76 is transversely fixed on the top of the clamping steel pipe 75, and the sub-plate 77 is fixed on both sides of the clamping steel pipe 75 and parallel to the main board 76; the hole and flange cutting device includes a cutting operating table, a laser cutting mechanism, and a smoke purification hood 15. The cutting operating table and the cutting gantry 16 are arranged on one side of the cutting base 73. The smoke purification hood 15 covers the laser cutting mechanism and the cutting base 73. The cutting working principle is the same as that of the fish belly cutting device, which will not be described in detail here.

[0077] Based on the above-mentioned hole and flange cutting device, when the raw material is transported at the hole and flange cutting station, the raw material is transported by the conveying device and the guide roller 78 on the flipping mechanism. When the hole and flange of the raw material are cut, the raw material is first flipped 90° by the flipping mechanism to make the raw material in a sideways state, and then the jacking cylinder 28 drives the guide roller 78 to rise to support the lower flange of the raw material. At the same time, the supporting drive component drives the two clamping steel pipes 75 to move relative to each other, and then the raw material is clamped by the cooperation of the two clamping steel pipes 75. After the raw material is clamped, the main plate 76 and the sub-plate 77 are located at the original The laser cutting mechanism cuts the upper flange of the raw material and covers the lower flange of the raw material to complete the positioning of the raw material. The laser passes through the upper flange of the raw material and acts on the main plate 76 and the sub-plate 77, thereby preventing the laser from causing accidental damage to the lower flange of the raw material through the protective effect of the main plate 76 and the sub-plate 77. After the cutting is completed, the clamping of the raw material is released and the raw material is rotated 90°. The laser cutting mechanism then cuts holes in the belly plate of the raw material. After the cutting is completed, the rough fish belly beam is transmitted to the adjustment station, and the cut waste falls onto the belt conveyor and is transported out through the belt conveyor.

[0078] like Figure 23-Figure 26 As shown, the material transmission device of the adjustment station includes an adjustment platform 79, an adjustment base 80, and a lifting transmission mechanism. A plurality of adjustment bases 80 are arranged in sequence along the material transmission direction on the adjustment platform 79. The lifting transmission mechanism is arranged on one side of the adjustment base 80. The adjustment device includes a clamping mechanism, a lateral adjustment mechanism, a shaping mechanism, an upper and lower adjustment mechanism, and a laser rangefinder 94. The laser rangefinder 94 is installed on both sides of the adjustment platform 79. The clamping mechanism is arranged on the adjustment base 80 at both ends of the adjustment platform 79, as shown in FIG. Fig.24As shown, the clamping mechanism includes a clamping gantry 81, a clamping cylinder 82, and a clamping block 83. The clamping gantry 81 is fixed to the top of the adjustment base 80, the clamping cylinder 82 is installed on the top of the clamping gantry 81, and the clamping block 83 is fixed to the output end of the clamping cylinder 82; both ends of the top of the adjustment base 80 are provided with a lateral adjustment mechanism and a shaping mechanism, such as Fig.25 As shown, the lateral adjustment mechanism includes a lateral adjustment cylinder 84, an adjustment pressure head 85, and a reference limit block 95. The lateral adjustment cylinder 84 is installed on the top of the adjustment base 80, and the adjustment pressure head 85 is fixed at the output end of the lateral adjustment cylinder 84. The two adjustment pressure heads 85 are arranged opposite to each other. The reference limit block 95 is fixed at the top of the opposite sides of the two adjustment pressure heads 85. The shaping mechanism includes a shaping cylinder 86 and a shaping plate 87. The shaping cylinder 86 is installed on the top of the adjustment base 80, and the shaping plate 87 is fixed at the output end of the shaping cylinder 86. The two shaping plates 87 are arranged opposite to each other. The upper and lower adjustment mechanisms are arranged on the adjustment platform 79 near the clamping mechanism. Fig.26 As shown, the upper and lower adjustment mechanisms include a base plate 88, a shaping gantry 89, an upper adjustment cylinder 90, a lower adjustment cylinder 91, and a shaping block 92. The base plate 88 is fixed on the adjustment platform 79, the shaping gantry 89 is fixed on the base plate 88, the upper adjustment cylinder 90 is installed on the top of the shaping gantry 89, and the lower adjustment cylinder 91 is installed on the base plate 88. The output ends of the upper adjustment cylinder 90 and the lower adjustment cylinder 91 are both fixed with shaping blocks 92, and the two shaping blocks 92 are arranged opposite to each other.

[0079] Based on the above-mentioned adjustment and repair device, the rough fish belly beam is transported by the lifting and transmission mechanism at the adjustment and repair station. When the rough fish belly beam is adjusted and repaired, the worm gear lifter 13 drives the transmission roller 30 to place the rough fish belly beam on the adjustment and repair base 80, and then the pressing cylinder 82 drives the pressing block 83 to press down the web of the rough fish belly beam. At the same time, the shaping mechanism and the upper and lower adjustment and repair mechanisms work, and the lateral adjustment and repair cylinder 84 drives the adjustment and repair pressure head 85 to push against the flange of the rough fish belly beam, so that the top of the flange of the rough fish belly beam is aligned with the reference limit. The fish belly beam rough product is positioned by the block 95, and the center line of the reference limit block 95 is used as the core plate reference line of the fish belly beam. Then, the shaping cylinder 86 drives the shaping plate 87 to pressurize the flange of the fish belly beam rough product, and then the fish belly beam rough product is pushed, and the disturbance of the fish belly beam rough product and the core plate reference flatness are adjusted. The shaping block 92 is driven by the upper adjustment cylinder 90 and the lower adjustment cylinder 91 to pressurize the top and bottom surfaces of the web of the fish belly beam rough product, and then the swing of the fish belly beam rough product is adjusted. The adjustment and repair operation of the fish belly beam rough product is completed by continuously adjusting the position of the fish belly beam rough product and repeating the above adjustment and repair steps.

[0080] When adjusting the product, the number of adjustment bases 80 can be arranged according to actual needs. In this embodiment, six adjustment bases 80 are arranged, symmetrically distributed around the product center, wherein two adjustment bases 80 are arranged at the ends of the product, and two adjustment bases 80 are arranged at the middle of the product. The upper and lower adjustment mechanisms are arranged between the two adjustment bases 80 at the ends. Fig. 27 As shown, the adjustment bases 80 are numbered sequentially from the end of the product to the middle of the product. After the product is positioned by the lateral adjustment mechanisms on the No. Ⅰ and No. Ⅱ adjustment bases 80, the upper and lower adjustment mechanisms work to adjust the product head swing; after the product is positioned by the lateral adjustment mechanism on the No. Ⅱ adjustment base 80, the shaping mechanism on the No. Ⅰ adjustment base 80 works to adjust the product disturbance, and the adjustment range of the product disturbance is 0mm-6mm; after the product is positioned by the lateral adjustment mechanisms on the two No. Ⅲ adjustment bases 80 in the middle of the product, the shaping mechanisms on the No. Ⅰ and No. Ⅱ adjustment bases 80 work to adjust the core disk reference flatness of the product.

[0081] During the adjustment process, the displacement transmitter can be used to collect and calibrate the telescopic distance of each cylinder, and then the cylinders can be driven to extend and retract according to the needs for adjustment. After a single or multiple adjustments, the product plastic deformation is achieved. The specific setting can be based on the empirical data, and the control system automatically adjusts it. Then, the side line of the product is detected by five sets of laser rangefinders 94, and the disturbance of the product and the core plate reference flatness are measured. The measured data are compared with the set data. If it is within the tolerance range, it is displayed as qualified; otherwise, it is unqualified. If it is unqualified, it will enter the correction process again until the measurement results meet the use standard requirements. The correction and measurement can develop an automatic correction and detection process based on experience and historical data, so that the product can automatically meet the standards at this station. When the adjustment is completed and the inspection is qualified, the fish belly beam finished product is transferred to the middle beam weld milling station for weld milling of the middle beam section to remove the weld excess height. After milling, the fish belly beam finished product is transferred to the unloading station for unloading.

[0082] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated production line for fish belly beams, characterized in that: It includes a loading station, a belly cutting station, a belly pressing station, a belly reverse welding station, a belly weld root cleaning station, a belly front welding station, a hole and flange cutting station, a repair station, a center beam weld milling station, and a material unloading station, which are arranged in sequence according to the processing sequence. Each station is equipped with a material transmission device. Each station is equipped with a loading device, a belly cutting device, a belly pressing device, a belly reverse welding device, a belly weld root cleaning device, a belly front welding device, a hole and flange cutting device, a repair device, a center beam weld milling device, and a material unloading device according to the processing sequence. The material transmission devices of the loading station, the fish belly cutting station and the unloading station all comprise a transmission frame (1), a longitudinal transmission roller, a roller motor (2) and a workpiece restraining mechanism. The transmission frame (1) is a rectangular frame structure with a hollow middle. The longitudinal transmission roller comprises two groups of roller groups which are respectively arranged on both sides of the top of the transmission frame (1) and are symmetrical to each other. The roller groups comprise a plurality of conveying rollers (3), a plurality of driven rollers (4) and a plurality of lateral guide wheels (5). The plurality of conveying rollers (3) and the plurality of driven rollers (4) are arranged in a crosswise direction along the material transmission direction. The conveying roller (3) on one side of the conveying tire frame (1) is driven by a roller motor (2) on the conveying tire frame (1); the lateral guide wheel (5) and the workpiece restraint mechanism are arranged between the adjacent conveying roller (3) and the driven roller (4); the workpiece restraint mechanism comprises a restraint plate (6), a corner motor (7) and a restraint stop bar (8); the restraint plate (6) is vertically arranged on the top of the conveying tire frame (1); the top and bottom of the restraint plate (6) are provided with a corner motor (7); and the restraint stop bar (8) is arranged at the output end of the corner motor (7); The material transmission device of the pressing station comprises a support platform (27) and a lifting transmission mechanism. The support platform (27) is provided with a plurality of support platforms (27) and the plurality of support platforms (27) are arranged in sequence along the material transmission direction. The lifting transmission mechanism is arranged between two adjacent support platforms (27). The lifting transmission mechanism comprises a lifting cylinder (28), an outer cylinder (29), and a power transmission component. The lifting cylinder (28) is arranged in the outer cylinder (29). A mounting plate (100) is movably provided at the top of the outer cylinder (29). The mounting plate (100) is fixedly connected to the output end of the lifting cylinder (28). The power transmission component comprises a transmission roller (30) and a transmission motor (31). The transmission roller (30) and the transmission motor (31) are arranged on a mounting plate (100). One end of the transmission roller (30) is connected to the output end of the transmission motor (31). A retaining edge (101) is fixed at both ends of the transmission roller (30). An adjustable end cover (102) is provided on the sliding sleeve of the transmission roller (30). The adjustable end cover (102) can be connected to the retaining edge (101) away from the transmission motor (31) through an adjusting bolt. Fish belly pressing devices are provided at both ends of the material transmission device of the pressing station. The fish belly pressing device comprises a pressing track (32) and a pressing assembly. The pressing track (32) is arranged on both sides of the material transmission device along the material transmission direction. The side wall of the pressing track (32) is provided with a rack (33). The pressing assembly comprises a support beam (34), a pressing gantry (35), a lateral pressure head (36), a lateral oil cylinder (37), a downward pressure head (38), and a downward pressure oil cylinder (39). The support beam (34) is slidably arranged on the pressing track (32). The pressing gantry (35) is arranged on the support beam (34). The support beam (34) is provided with A gantry motor (40), wherein the output end of the gantry motor (40) is provided with a gear (41) meshing with the rack (33), a plurality of positioning plates (42) are provided on one side of the top of the support platform (27) along the material transmission direction, a lateral oil cylinder (37) is provided on the support beam (34), a lateral pressure head (36) is located on the inner side of the support beam (34) opposite to the positioning plate (42) and is connected to the output end of the lateral oil cylinder (37), a downward pressure cylinder (39) is provided on the top of the pressing gantry (35), and a downward pressure head (38) is connected to the output end of the downward pressure cylinder (39); The material transmission device of the adjustment and repair station comprises an adjustment and repair platform (79), an adjustment and repair base (80), and a lifting and transmission mechanism. A plurality of adjustment and repair bases (80) are arranged in sequence along the material transmission direction on the adjustment and repair platform (79). The lifting and transmission mechanism is arranged on one side of the adjustment and repair base (80). The adjustment and repair device comprises a clamping mechanism, a lateral adjustment and repair mechanism, a shaping mechanism, an upper and lower adjustment and repair mechanism, and a laser rangefinder (94). The clamping mechanism is arranged on the adjustment and repair bases (80) at both ends of the adjustment and repair platform (79). The clamping mechanism comprises a clamping gantry (81), a clamping oil cylinder (82 ), a pressing block (83), a pressing gantry (81) is arranged at the top of the adjustment base (80), a pressing cylinder (82) is arranged at the top of the pressing gantry (81), a pressing block (83) is arranged at the output end of the pressing cylinder (82), both ends of the top of the adjustment base (80) are provided with a lateral adjustment mechanism and a shaping mechanism, the lateral adjustment mechanism comprises a lateral adjustment cylinder (84), an adjustment pressure head (85), and a reference limit block (95), the lateral adjustment cylinder (84) is arranged at the top of the adjustment base (80), the adjustment pressure head (85) is arranged at the lateral adjustment cylinder ( 84), two adjusting pressure heads (85) are arranged opposite to each other, a reference stop block (95) is arranged at the top of the opposite sides of the two adjusting pressure heads (85), a shaping mechanism comprises a shaping cylinder (86) and a shaping plate (87), the shaping cylinder (86) is arranged at the top of the adjusting base (80), the shaping plate (87) is arranged at the output end of the shaping cylinder (86), the two shaping plates (87) are arranged opposite to each other, an upper and lower adjusting mechanism is arranged on an adjusting platform (79) near one side of the clamping mechanism, and the upper and lower adjusting mechanism comprises a bottom plate (88), a shaping gantry ( 89, an upper adjustment oil cylinder (90), a lower adjustment oil cylinder (91), and a shaping block (92); a bottom plate (88) is arranged on the adjustment platform (79); a shaping gantry (89) is arranged on the bottom plate (88); an upper adjustment oil cylinder (90) is arranged on the top of the shaping gantry (89); a lower adjustment oil cylinder (91) is arranged on the bottom plate (88); shaping blocks (92) are arranged at the output ends of the upper adjustment oil cylinder (90) and the lower adjustment oil cylinder (91); the two shaping blocks (92) are arranged opposite to each other; and a laser rangefinder (94) is arranged on both sides of the adjustment platform (79).

2. The fish belly beam automatic production line according to claim 1 is characterized in that: The transmission frame (1) of the loading station and the unloading station is provided with a plurality of cutouts in sequence along the transmission direction. The loading device and the unloading device both comprise a loading frame (9), a chain plate conveyor (10) and a lifting and transferring mechanism. The loading frame (9) is provided at the same side of the transmission frame (1) at the plurality of cutouts. The chain plate conveyor (10) is provided on the top of the loading frame (9) and above the longitudinal transmission roller. The lifting and transferring mechanism is provided at the cutout. The top of the loading frame (9) beside the end of the chain plate conveyor (10) is provided with an anti-fall bracket (93). The lifting and transferring mechanism comprises a wheel rail (11), a transferring trolley (12), a worm gear elevator (13) and a supporting plate (14). The wheel rail (11) is provided at the cutout. The transferring trolley (12) is provided with a On the wheel rail (11), a worm gear elevator (13) is arranged on the material transfer trolley (12), a material support plate (14) is arranged at the output end of the worm gear elevator (13), a material width detection mechanism is arranged on one side of the loading frame (9), and the material width detection mechanism comprises a detection frame (103), a worm gear elevator (13), a support frame (104), a laser rangefinder (94), and a positioning block (105), the worm gear elevator (13) is arranged on the detection frame (103), the support frame (104) is arranged at the output end of the worm gear elevator (13), the laser rangefinder (94) and the positioning block (105) are respectively arranged at two ends of the support frame (104), and the positioning block (105) is provided with a positioning slot.

3. The fish belly beam automatic production line according to claim 1 is characterized in that: The fish belly cutting device comprises a cutting operation table, a laser cutting mechanism, a smoke and dust purification hood (15) and a waste transport mechanism. The cutting operation table and the laser cutting mechanism are arranged on one side of a transmission frame (1). The smoke and dust purification hood (15) is arranged at both ends of the transmission frame (1) and covers the laser cutting mechanism and the transmission frame (1). The waste transport mechanism is arranged at both ends of the transmission frame (1) and is located below a longitudinal transmission roller. The laser cutting mechanism comprises a cutting gantry (16), a three-axis moving module and a laser cutting machine (17). The three-axis moving module comprises an x-axis linear module (18), a y-axis linear module (19) and a z-axis linear module (20). The cutting gantry (16) is arranged on one side of the transmission frame (1). The x-axis linear module (18) is arranged on the cutting gantry (16) along a material transmission direction. The y-axis linear module (19) is arranged on the x-axis linear module (18). The z-axis linear module (20) is arranged on the x-axis linear module (19). The linear module (20) is arranged on the y-axis linear module (19), the laser cutting machine (17) is arranged on the z-axis linear module (20), the cutting operation table comprises an air-conditioned constant temperature room (21), a voltage-stabilized power supply (22), a water cooler, and a laser, the laser and the water cooler are arranged in the air-conditioned constant temperature room (21), the laser is electrically connected to the voltage-stabilized power supply (22), the laser cutting machine (17) and the water cooler are both connected to the laser, and the waste transport mechanism comprises a transport track (23), a track trolley (24), a transport frame (25), a worm gear elevator (13), and a waste support plate (26), the track trolley (24) is arranged on the transport track (23), the transport frame (25) is arranged on the track trolley (24), the worm gear elevator (13) is arranged on the transport frame (25), and the waste support plate (26) is arranged at the output end of the worm gear elevator (13).

4. The fish belly beam automatic production line according to claim 3 is characterized in that: The material transmission devices of the fish belly back welding station and the fish belly front welding station both comprise a welding base (43), a first clamping mechanism, and a power transmission assembly. The welding base (43) is provided with two welding bases (43) and the two welding bases (43) are arranged opposite to each other. The welding base (43) is provided with a plurality of first clamping mechanisms in sequence along the material transmission direction. The first clamping mechanism comprises a first clamping platform (44), a clamping drive assembly, and a groove clamping plate (45). The first clamping platform (44) is arranged on the welding base (43). The power transmission assembly is arranged on one side of the first clamping platform (44). The clamping drive assembly is arranged at two ends of the top of the first clamping platform (44). The clamping drive assembly comprises a clamping oil cylinder (46), a slideway (47), and a slide seat (48). The slideway (47) is arranged at the end of the first clamping platform (44). The slide seat (48) is slidably arranged on the slideway (47), the clamping cylinder (46) is arranged on the first clamping platform (44) between the two slideways (47), the output end of the clamping cylinder (46) is connected to the bottom of the slide seat (48), the two slide seats (48) are provided with a groove clamping plate (45), the two groove clamping plates (45) are arranged opposite to each other, the fish belly back side welding device and the fish belly front side welding device both include a welding gantry (49), a three-axis moving module, and a submerged arc welding machine (50), the welding gantry (49) is arranged on one side of the welding base (43), the x-axis linear module (18) is arranged on the welding gantry (49) along the material transmission direction, the y-axis linear module (19) is arranged on the x-axis linear module (18), and the z-axis linear module (20) is arranged on the y-axis linear module (19). The submerged arc welding machine (50) is arranged on the z-axis linear module (20). The fish belly reverse side welding device also includes a flip mechanism arranged between two welding bases (43). The flip mechanism includes a flip chassis (51), a lifting and flipping assembly, and a conveying device. The lifting and flipping assembly is arranged at both ends of the flip chassis (51). The conveying device is arranged on the flip chassis (51) between the two lifting and flipping assemblies. The lifting and flipping assembly includes a worm gear lift (13), a flip seat (52), a supporting roller (53), a flip ring (54), a flip motor (96), and a chain (97). The worm gear lift (13) is arranged on the flip chassis (51). The flip seat (52) is arranged at the output end of the worm gear lift (13). The flip seat (52) is a groove-shaped structure. Support rollers (53) are provided at both ends of the rotating seat (52), the turning ring (54) is rollingly supported on the two supporting rollers (53), the turning motor (96) is provided on the side wall of the turning seat (52), the outer peripheral wall of the turning ring (54) is sleeved with a chain (97), the output end of the turning motor (96) is provided with a gear meshing with the chain (97), the turning ring (54) is provided with a bayonet (55) adapted to the shape of the raw material, the turning frame (51) below the turning seat (52) is provided with a guide telescopic rod (98), the bottom of the turning seat (52) is fixedly connected to the top of the guide telescopic rod (98), the conveying device comprises a conveying frame (56), a conveying roller, a conveying motor (57), and an adjusting and tightening mechanism, the conveying frame (56) is provided on the turning frame (51),The conveying roller conveyor comprises a plurality of conveying rollers (58) and a plurality of driven rollers (59). The plurality of conveying rollers (58) and the plurality of driven rollers (59) are alternately arranged along the material conveying direction. The conveying rollers (58) are driven by a conveying motor (57) on a conveying frame (56). An adjusting and tightening mechanism is arranged between adjacent conveying rollers (58) and the plurality of driven rollers (59). The adjusting and tightening mechanism comprises a tightening cylinder (60), a tightening head (61), and a positioning pad (62). The tightening cylinder (60) and the tightening head (61) are arranged on one side of the top of the conveying frame (56). The tightening head (61) is connected to the output end of the tightening cylinder (60). The positioning pad (62) is arranged on the other side of the top of the conveying frame (56) and is opposite to the tightening head (61).

5. The fish belly beam automatic production line according to claim 4 is characterized in that: The material transmission devices of the fish belly weld root cleaning station and the middle beam weld milling station both include a milling base (63), a second clamping mechanism, and a lifting transmission mechanism. A plurality of second clamping mechanisms are sequentially arranged on the milling base (63) along the material transmission direction. The second clamping mechanism includes a second clamping platform (64), a top plate (65), a first pull rod cylinder (66), a fixed draw hook (67), a movable draw hook (68), and a second pull rod cylinder (69). The lifting transmission mechanism is arranged on one side of the second clamping platform (64). The fixed draw hook (67) is vertically fixed to the second clamping platform (64). The movable hook (68) is vertically arranged at one end of the top of the second clamping platform (64) and is opposite to the fixed hook (67). The middle part of the movable hook (68) is rotatably connected to the side wall of the end of the second clamping platform (64). The second pull rod cylinder (69) is horizontally arranged at the bottom of the second clamping platform (64). The lower end of the movable hook (68) is connected to the output end of the second pull rod cylinder (69). The first pull rod cylinder (66) is vertically arranged at the bottom of the second clamping platform (64). The top plate (65) is arranged between the fixed hook (67) and the movable hook (68). The lifting and transmission mechanism is connected to the output end of the first pull rod oil cylinder (66), and includes a worm gear lift (13), a lifting seat (70), and a power transmission component. The worm gear lift (13) is arranged on one side of the second clamping platform (64), the lifting seat (70) is arranged on the output end of the worm gear lift (13), and the power transmission component is arranged on the lifting seat (70). The fish belly weld root cleaning device and the middle beam weld milling device both include a three-axis moving module, a milling column (71), and a milling power head (72). The x-axis linear module (18) moves along the material The transmission direction is arranged on the milling base (63), the milling column (71) is arranged on the x-axis linear module (18), the y-axis linear module (19) is arranged on the top of the milling column (71), the z-axis linear module (20) is arranged on the y-axis linear module (19), the milling power head (72) is arranged on the z-axis linear module (20), and the milling power head (72) is provided with a height tracking sensor (99). The center beam weld milling device also includes a turning mechanism arranged in the middle of the milling base (63) and located between two adjacent second clamping tables (64).

6. The fish belly beam automatic production line according to claim 5 is characterized in that: The material transmission device of the hole and flange cutting station comprises a cutting base (73), a third clamping mechanism, a lifting guide assembly, a flipping mechanism, and a belt conveyor. The cutting base (73) is provided with two and the two cutting bases (73) are arranged opposite to each other. The flipping mechanism is arranged between the two cutting bases (73). A plurality of third clamping mechanisms are arranged in sequence on the cutting base (73) along the material transmission direction. The third clamping mechanism comprises a third clamping platform (74), a clamping drive assembly, a clamping steel pipe (75), a main plate (76), and a sub-plate (77). The third clamping platform (74) is mounted on the cutting base (73). The lifting guide assembly comprises a lifting cylinder (28) and a guide roller (78). Two lifting cylinders (28) are arranged on one side of the third clamping platform (74). 28), the two ends of the guide roller (78) are respectively arranged at the output ends of the two lifting cylinders (28), the belt conveyor is arranged on the cutting base (73) directly below the third clamping platform (74), the clamping drive assembly is arranged at the two ends of the top of the third clamping platform (74), the two slide seats (48) are provided with a clamping steel pipe (75), the main board (76) is arranged horizontally on the top of the clamping steel pipe (75), the auxiliary board (77) is arranged on both sides of the clamping steel pipe (75) and is parallel to the main board (76), the hole and flange cutting device includes a cutting operation table, a laser cutting mechanism, and a smoke purification cover (15), the cutting operation table and the cutting gantry (16) are arranged on one side of the cutting base (73), and the smoke purification cover (15) covers the laser cutting mechanism and the cutting base (73).

7. A method for producing a fish belly beam automatic production line according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1. The staff puts the I-beam raw material on the loading device at the loading station, sends the raw material to the material transmission device through the loading device, and then transmits the raw material from the loading station to the fish belly cutting station through the material transmission device; S2, after the raw material arrives at the fish belly cutting station, the fish belly cutting device cuts the belly plates at both ends of the raw material to cut the raw material belly plates into a fish belly shape. After the fish belly cutting is completed, the raw material is transferred to the fish belly pressing station through the material conveying device; S3, after the raw material arrives at the fish belly pressing station, the fish belly pressing device presses the incision of the raw material belly plate to form a weld. After the pressing is completed, the raw material is transmitted to the fish belly reverse welding station through the material transmission device; After S4, raw material arrive at fish belly reverse side welding station, first raw material is turned over 180 °, then fish belly reverse side welding device welds the reverse side of raw material weld, after welding is completed, raw material is rotated 180 °, then by material transmission device, raw material is transmitted to fish belly weld root cleaning station; S5, after the raw material arrives at the fish belly weld root cleaning station, the fish belly weld root cleaning device performs milling cleaning on the weld root from the weld front, and after the root cleaning is completed, the raw material is transmitted to the fish belly front welding station through the material transmission device; S6, after the raw material arrives at the fish belly front welding station, the fish belly front welding device welds the front of the weld. After the welding is completed, the raw material is transmitted to the hole and flange cutting station through the material transmission device; S7, after the raw material arrives at the hole and flange cutting station, the raw material is first turned 90°, and then the hole and flange cutting device performs flange cutting on the raw material. After the flange cutting is completed, the raw material is rotated 90°, and the hole and flange cutting device performs hole cutting on the raw material again. After the hole cutting is completed, the fish belly beam rough product is obtained, and the fish belly beam rough product is then transmitted to the adjustment station through the material transmission device; S8, after the rough fish belly beam arrives at the adjustment and repair station, the adjustment and repair device performs structural adjustment and repair on the rough fish belly beam, and measures the disturbance and core plate reference flatness of the rough fish belly beam. After the measurement is qualified, the finished fish belly beam is obtained, and then the finished fish belly beam is transmitted to the middle beam weld milling station through the material transmission device; S9. After the finished fish belly beam arrives at the middle beam weld milling station, the middle beam weld milling device mills the weld excess height of the middle beam section of the finished fish belly beam. After milling, the finished fish belly beam is transferred to the unloading station via the material conveying device, and then the finished product is unloaded through the unloading device.

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