Automatic welding machine for anti-seismic support

Abstract

The invention discloses an anti-seismic support automatic welding machine, and belongs to the technical field of automatic welding machines, the anti-seismic support automatic welding machine comprises a welding table, the welding table is connected with a welding mechanism, the welding mechanism is connected with a welding head, a welding wire is inserted into the welding head, and the welding table is provided with a clamping mechanism for an anti-seismic support corresponding to the welding head. A welding head is arranged in the conical barrel, a lifting dust collection assembly used for absorbing welding smoke is arranged on the welding head in a sleeving mode, and a first preheating assembly used for heating a welding wire is connected to the position, corresponding to the welding head, of the welding mechanism. The welding wire is preheated, so that hot cracks generated in the welding process can be reduced, the strength and toughness of a welding seam are improved, the temperature difference between the welding wire and a base material is reduced through preheating, and therefore the risk of thermal stress and cold cracks in the welding process is reduced, meanwhile, deformation in the welding process is reduced through preheating, and the welding seam is smoother and more attractive.

Description

Technical Field

[0001] The invention belongs to the technical field of automatic welding machines, and in particular relates to an automatic welding machine for an anti-seismic support. Background Art

[0002] Automatic welding machine is a highly automated mechanical equipment, widely used in many fields such as plastics, automobile manufacturing, metal processing, hardware and household appliances, steel structure, pressure vessel, mechanical processing manufacturing, shipbuilding and aerospace. Earthquake-resistant bracket is an earthquake-resistant measure installed on electromechanical pipeline equipment, which can avoid and reduce earthquake damage to electromechanical equipment in buildings. When encountering an earthquake impact, it can reduce earthquake damage, reduce and prevent secondary disasters as much as possible. When producing earthquake-resistant brackets, an earthquake-resistant bracket automatic welding machine specially used for welding earthquake-resistant brackets will be used to weld the earthquake-resistant brackets.

[0003] The prior art discloses some invention patents in the field of automatic welding machine technology, among which the invention patent with publication number CN118342155A discloses an anti-seismic bracket automatic welding machine, including a fixed frame, a welding robot, a carrier plate, a rotating component, a support frame, an observation window, a lifting component, a clamping component and a fixed component. The carrier plate is rotatably mounted on the fixed frame, the rotating component is mounted on the fixed frame, the support frame is fixedly mounted on the carrier plate, the support frame is symmetrically mounted with observation windows, lifting components are mounted on both sides of the support frame, clamping components are mounted on the two lifting components, and the fixed component is mounted on the rotating component. The position between the rotating component and the fixed frame is fixed during the welding process. This technical solution solves the problem in the prior art that when the relative position between the seismic support and the base plate is adjusted, it is easy to cause displacement between the seismic support and the base plate during the welding process, thereby seriously affecting the welding quality of the seismic support. However, this technical solution still has some shortcomings during its application. It still adopts the traditional smoke exhaust method, and the welding smoke is directly discharged after simple filtering and purification. The discharged welding smoke also carries a large amount of heat energy, resulting in energy waste. In addition, it cannot effectively reduce the generation of thermal cracks during the welding process, resulting in poor strength and toughness of the weld.

[0004] Based on this, the present invention designs an automatic welding machine for earthquake-resistant brackets to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the existing automatic welding machine for earthquake-resistant brackets still adopts the traditional smoke exhaust method, directly discharges the welding smoke after simple filtering and purification, and the discharged welding smoke also carries a large amount of heat energy, resulting in energy waste, and cannot effectively reduce the generation of thermal cracks during the welding process, resulting in poor strength and toughness of the weld, and an automatic welding machine for earthquake-resistant brackets is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: An automatic welding machine for seismic support comprises a welding table, a welding mechanism is connected to the welding table, a welding head is connected to the welding mechanism, a welding wire is inserted into the welding head, a clamping mechanism for seismic support is arranged on the welding table corresponding to the welding head, a lifting dust suction assembly for absorbing welding smoke is provided on the welding head, a first preheating assembly for heating the welding wire is connected to the welding mechanism corresponding to the welding head, a suction assembly for sucking and transferring welding smoke is connected between the first preheating assembly and the lifting dust suction assembly, and a second preheating assembly for preheating the weld is connected to the welding mechanism corresponding to the welding head and the welding wire.

[0007] As a further description of the above technical solution: The lifting dust suction assembly includes a dust suction head sleeved on the periphery of the welding head, a vibration-damping lining for vibration isolation is filled between the dust suction head and the welding head, the other end of the dust suction head is connected to a stretchable and expandable rubber sleeve, the other end of the rubber sleeve is connected to a fan-shaped piece, an inner sleeve is sleeved on the inner side of the welding head, a plurality of first slide grooves in a ring array are provided on the inner sleeve, a first slider is slidably connected in the first slide groove, a support spring is connected to the end of the first slider, the first slider is elastically supported and connected to the inner end surface of the first slide groove through the support spring, multiple first sliders are connected to elastic support pieces, multiple first sliders are elastically connected to the inner arc surface of the fan-shaped piece through multiple elastic support pieces, a hydraulic cylinder is installed on the welding mechanism, and the telescopic end of the hydraulic cylinder is connected to the dust suction head.

[0008] As a further description of the above technical solution: The fan-shaped member includes a plurality of umbrella-shaped panels connected to the other end of the rubber sleeve and arranged in a circular array. Compensation grooves are provided on the opposite surfaces of two adjacent umbrella-shaped panels, and the two compensation grooves are filled with compensation pads. The elastic support member corresponding to the inner arc surface of the umbrella-shaped panel is connected to a second adapter seat, and the inner side of the second adapter seat is rotatably connected to a second rotating shaft, and a second adapter spring is sleeved on the end of the second rotating shaft, and the second rotating shaft is elastically connected to the second adapter seat through the second adapter spring.

[0009] As a further description of the above technical solution: The elastic support member includes a first adapter seat connected to the first slider, the inner side of the first adapter seat is rotatably connected to a first rotating shaft, the end of the first rotating shaft is sleeved with a first adapter spring, the first rotating shaft is elastically connected to the first adapter seat through the first adapter spring, an umbrella-shaped shaft is sleeved on the first rotating shaft, and the other end of the umbrella-shaped shaft is sleeved on the second rotating shaft.

[0010] As a further description of the above technical solution: The first preheating component includes a circular cylinder, the outer wall of the circular cylinder is tangentially connected to a drainage pipe, the circular cylinder is rotatably connected to a guide blade corresponding to the drainage pipe, the blades of the guide blade are activated carbon filter plates, the bottom of the circular cylinder is connected to a conical cylinder, the other end of the conical cylinder is connected to an ash hopper, the ash hopper is downwardly connected to a discharge pipe for discharging solid impurities, and the ash hopper is connected to the corresponding welding wire position on the welding structure.

[0011] As a further description of the above technical solution: The circular cylinder is connected to a top cover, the top cover is connected to a first smoke exhaust pipe, a second feeding hole is opened at the axis of the guide blade, a first feeding hole is opened on the first smoke exhaust pipe corresponding to the second feeding hole, and the welding wire passes through the first feeding hole and the second feeding hole in sequence and is fed into the welding head.

[0012] As a further description of the above technical solution: The suction assembly includes a base connected to the welding mechanism, a fan is installed on the base, the input port of the fan is connected to a smoking pipe, the other end of the smoking pipe is connected to a dust collector head, the output port of the fan is connected to a second smoke exhaust pipe, the other end of the second smoke exhaust pipe is connected to a drainage pipe.

[0013] As a further description of the above technical solution: The second preheating assembly includes a base connected to the welding mechanism, the base is provided with an arc-shaped second slide groove, a second slider is slidably connected in the second slide groove, the second slider is provided with an insertion hole, a preheating nozzle is sleeved in the insertion hole, the second slider is connected with an arc-shaped tooth panel, a gear is meshed on the tooth panel, a transfer hole is provided on the base corresponding to the gear, a gear shaft is rotatably connected in the transfer hole, the gear is sleeved on the end of the gear shaft, the other end of the gear shaft is connected to a motor, the motor is installed at the bottom of the base, the top of the preheating nozzle is connected to a third smoke exhaust pipe, and the other end of the third smoke exhaust pipe is connected to the first smoke exhaust pipe.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In the present invention, the rotating welding smoke shrinks in the conical cylinder and flows toward the center to dry and preheat the welding wire. Preheating the welding wire can reduce thermal cracks generated during welding and improve the strength and toughness of the weld. Through preheating, the temperature difference between the welding wire and the base material is reduced, thereby reducing the risk of thermal stress and cold cracks during welding. At the same time, preheating also helps to reduce deformation during welding, making the weld smoother and more beautiful.

[0015] 2. In the present invention, the tooth panel drives the second slider to slide within the second chute, thereby enabling the angle between the preheating nozzle and the welding head to be changed. Preheating can slow down the cooling rate after welding, which helps the diffusion hydrogen in the weld metal to escape, thereby reducing the risk of hydrogen-induced cracking. Moreover, preheating can also reduce the hardening degree of the weld and the heat-affected zone, avoid the generation of hard and brittle structures, and thus improve the crack resistance of the welded joint.

[0016] 3. In the present invention, during the lifting movement of the dust suction head, the dust suction range of the dust suction head is expanded, preventing welding fumes from overflowing outward, improving the dust suction effect, and also being able to shake off the dust adsorbed on the umbrella-shaped panel to achieve the purpose of dust cleaning. Moreover, during the upward movement of the dust suction head, multiple umbrella-shaped panels are separated, expanding the dust suction diameter of the dust suction head, which is conducive to further expanding the dust suction range of the dust suction head. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of an anti-seismic support automatic welding machine proposed by the present invention; Figure 2 is an anti-seismic support automatic welding machine proposed by the present invention Figure 1 The enlarged schematic diagram of the structure at A in; Figure 3 is a schematic diagram of the structure of the first preheating component in an anti-seismic support automatic welding machine proposed by the present invention; Figure 4 is a schematic diagram of the structure of the first preheating component in an anti-seismic support automatic welding machine from another perspective proposed by the present invention; Figure 5 is a schematic diagram of the disassembled structure of the first preheating component in an anti-seismic support automatic welding machine proposed by the present invention; Figure 6 is a schematic diagram of the structure of an anti-seismic support automatic welding machine from another perspective proposed by the present invention; Figure 7 is a schematic diagram of the structure of the second preheating component in an anti-seismic support automatic welding machine proposed by the present invention; Figure 8 is a schematic diagram of the disassembled structure of the lifting dust suction component in an anti-seismic support automatic welding machine proposed by the present invention; Fig. 9 is an anti-seismic support automatic welding machine proposed by the present invention Figure 8 The enlarged schematic diagram of the structure at B in; Fig.10 is a schematic diagram of the structure of the lifting dust suction component in an anti-seismic support automatic welding machine from another perspective after disassembly; Fig.11 is an anti-seismic support automatic welding machine proposed by the present invention Fig.10 The enlarged schematic diagram of the structure at C in; Fig.12 This is a schematic structural diagram of a disassembled second preheating component in an automatic welding machine for earthquake-resistant brackets proposed in the present invention.

[0018] Legend: 1. Welding table; 2. Clamping mechanism; 3. Welding mechanism; 4. Welding head; 5. Lifting dust suction assembly; 501. Dust suction head; 502. Vibration-damping lining; 503. Rubber sleeve; 504. Inner sleeve; 505. First slide groove; 506. First slider; 507. Elastic support member; 5071. First transfer seat; 5072. First rotating shaft; 5073. First transfer spring; 5074. Umbrella shaft; 508. Fan-shaped member; 5081. Umbrella panel; 5082. Second transfer seat; 5083. Second rotating shaft; 5084. Second transfer spring; 5085. Compensation groove; 5086. Compensation pad; 509. Support spring; 510 , hydraulic cylinder; 6, the first preheating component; 601, circular cylinder; 602, drainage pipe; 603, guide blades; 604, conical cylinder; 605, ash hopper; 606, top cover; 607, the first smoke exhaust pipe; 608, the first feeding hole; 609, the second feeding hole; 610, discharge pipe; 7, suction component; 701, base; 702, fan; 703, smoking pipe; 704, the second smoke exhaust pipe; 8, the second preheating component; 801, base; 802, the second slide; 803, the second slider; 804, the tooth panel; 805, gear; 806, preheating nozzle; 807, motor; 808, the third smoke exhaust pipe; 9, welding wire. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Please see attached Figure 1 -Attached Fig.11 The present invention provides a technical solution: an automatic welding machine for an anti-seismic bracket, comprising a welding table 1, a welding mechanism 3 is connected to the welding table 1, a welding head 4 is connected to the welding mechanism 3, a welding wire 9 is inserted in the welding head 4, a clamping mechanism 2 for an anti-seismic bracket is arranged on the welding table 1 corresponding to the welding head 4, a lifting dust suction component 5 for absorbing welding smoke is sleeved on the welding head 4, a first preheating component 6 for heating the welding wire 9 is connected to the welding mechanism 3 corresponding to the welding head 4, a suction component 7 for sucking and transferring welding smoke is connected between the first preheating component 6 and the lifting dust suction component 5, and a second preheating component 8 for preheating the weld is connected to the welding mechanism 3 corresponding to the welding head 4 and the welding wire 9.

[0021] Specifically, the lifting dust suction component 5 includes a dust suction head 501 sleeved on the periphery of the welding head 4, a vibration-damping lining 502 for vibration isolation is filled between the dust suction head 501 and the welding head 4, the other end of the dust suction head 501 is connected to a stretchable and expandable rubber sleeve 503, the other end of the rubber sleeve 503 is connected to a fan-shaped piece 508, an inner sleeve 504 is sleeved on the inner side of the welding head 4, a plurality of first slide grooves 505 in a ring array are provided on the inner sleeve 504, a first slider 506 is slidably connected in the first slide groove 505, and the first slider The end of the block 506 is connected to a support spring 509, and the first slider 506 is elastically supported and connected to the inner end surface of the first slide groove 505 through the support spring 509. The multiple first sliders 506 are connected to elastic support members 507, and the multiple first sliders 506 are elastically connected to the inner arc surface of the fan-shaped member 508 through multiple elastic support members 507. A hydraulic cylinder 510 is installed on the welding mechanism 3, and the telescopic end of the hydraulic cylinder 510 is connected to the dust collector head 501. The fan-shaped member 508 includes a ring array connected to the other end of the rubber sleeve 503. A plurality of umbrella panels 5081 are arranged in a row, and the opposite surfaces of two adjacent umbrella panels 5081 are provided with compensation grooves 5085, and the two compensation grooves 5085 are filled with compensation pads 5086. The elastic support member 507 corresponding to the inner arc surface of the umbrella panel 5081 is connected to the second adapter seat 5082, and the inner side of the second adapter seat 5082 is rotatably connected to the second shaft 5083, and the end of the second shaft 5083 is sleeved with a second adapter spring 5084, and the second shaft 5083 is connected to the second adapter seat 5082 through the second adapter spring 5084. The connecting seat 5082 is elastically connected, and the elastic support member 507 includes a first connecting seat 5071 connected to the first slider 506. The inner side of the first connecting seat 5071 is rotatably connected to the first rotating shaft 5072. The end of the first rotating shaft 5072 is sleeved with a first connecting spring 5073. The first rotating shaft 5072 is elastically connected to the first connecting seat 5071 through the first connecting spring 5073. An umbrella-shaped shaft 5074 is sleeved on the first rotating shaft 5072, and the other end of the umbrella-shaped shaft 5074 is sleeved on the second rotating shaft 5083.

[0022] The specific implementation method is as follows: during the welding process of the anti-seismic bracket by the welding head 4, the fan 702 is controlled to operate, and the input port of the fan 702 uses the smoke pipe 703 to suck the welding smoke generated by the welding through the dust head 501. During this process, the hydraulic cylinder 510 is controlled to operate, and the telescopic end of the hydraulic cylinder 510 drives the dust head 501 to slide on the welding head 4. During the process of the dust head 501 being pulled by the telescopic end of the hydraulic cylinder 510, the dust head 501 drives multiple umbrella panels 5081 at the same time through the rubber sleeve 503. The umbrella panel 5081 drives the second adapter seat 5082 to approach the corresponding first adapter seat 5071. Under the push of the second adapter seat 5082, the end of the umbrella shaft 5074 drives the second rotating shaft 5083 to rotate on its inner side and twists the second adapter spring 5084 to elastically shape it. At the same time, the other end of the umbrella-shaped shaft 5074 drives the first rotating shaft 5072 to rotate on the inner side of the first adapter seat 5071, and twists the first adapter spring 5073 to make it elastically deformed. Under the simultaneous push of multiple umbrella-shaped shafts 5074, multiple umbrella-shaped panels 5081 expand and disperse toward the periphery, and the elastic rubber sleeve 503 elastically expands and deforms under the action of multiple umbrella-shaped panels 5081, and the compensation pad 5086 is pulled up during the dispersion of two adjacent umbrella-shaped panels 5081, so as to compensate and seal the gap between the dispersed umbrella-shaped panels 5081. In the process that the dust suction head 501 is pushed by the telescopic end of the hydraulic cylinder 510, multiple umbrella-shaped panels 5081 gather together again, and the dust suction range of the dust suction head 501 is expanded during the lifting movement to prevent welding smoke from overflowing outward.

[0023] Specifically, the suction assembly 7 includes a base 701 connected to the welding mechanism 3, a fan 702 is installed on the base 701, an input port of the fan 702 is connected to a smoke pipe 703, the other end of the smoke pipe 703 is connected to the dust head 501, an output port of the fan 702 is connected to a second smoke exhaust pipe 704, the other end of the second smoke exhaust pipe 704 is connected to a drainage pipe 602, the first preheating assembly 6 includes a circular cylinder 601, the outer wall of the circular cylinder 601 is tangentially connected to the drainage pipe 602, the circular cylinder 601 is rotatably connected to the drainage pipe 602, the blades of the guide blades 603 are activated carbon filter plates, the bottom of the circular cylinder 601 is connected to a conical cylinder 604, and the conical cylinder 604 is connected to the outer wall of the circular cylinder 601. The other end of the cylinder 604 is connected to an ash hopper 605, and the ash hopper 605 is downwardly connected to a discharge pipe 610 for discharging solid impurities. The ash hopper 605 is connected to the position of the welding wire 9 on the welding structure, wherein the welding structure is the core actuator of the welding operation, and is used to complete various complex actions, such as translation, rotation and fine-tuning of movements. The circular cylinder 601 is connected to a top cover 606, and the top cover 606 is connected to a first smoke exhaust pipe 607. A second feed hole 609 is opened at the axis of the guide blade 603, and a first feed hole 608 is opened on the first smoke exhaust pipe 607 corresponding to the second feed hole 609. The welding wire 9 passes through the first feed hole 608 and the second feed hole 609 in turn and is fed into the welding head 4.

[0024] The specific implementation method is as follows: the welding smoke sucked in by the fan 702 through the input port is discharged into the drainage pipe 602 through the second exhaust pipe 704 through the output port, and the welding smoke in the drainage pipe 602 quickly flows into the circular cylinder 601. When the welding smoke enters the circular cylinder 601 along the axial direction, the airflow is strongly rotated by the guide blade 603, and the welding smoke spirals downward along the circular cylinder 601 into the conical cylinder 604. The dust particles with high density are thrown to the wall of the device under the action of centrifugal force, and are discharged along the circular cylinder under the action of gravity. 601 and the inner wall of the conical cylinder 604 fall down and flow into the ash hopper 605, and flow out from the discharge pipe 610 at the inner bottom of the ash hopper 605. The rotating welding smoke shrinks in the conical cylinder 604 and flows toward the center, forming a secondary vortex upward, and then flows to the top cover 606 after being filtered by the guide blades 603, and finally flows out through the first smoke exhaust pipe 607. The rotating welding smoke shrinks in the conical cylinder 604 and flows toward the center, which will dry and preheat the welding wire 9. Preheating the welding wire 9 can reduce thermal cracks generated during welding.

[0025] Specifically, the second preheating assembly 8 includes a base 801 connected to the welding mechanism 3, an arc-shaped second slide groove 802 is provided on the base 801, a second slider 803 is slidably connected in the second slide groove 802, a plug-in hole is provided on the second slider 803, a preheating nozzle 806 is sleeved in the plug-in hole, an arc-shaped tooth panel 804 is connected to the second slider 803, a gear 805 is meshed on the tooth panel 804, a control motor 807 is operated, the motor 807 drives the gear 805, the gear 805 drives the tooth panel 804, and the tooth panel 804 drives the second slider 803 to By sliding in the second slide groove 802, the angle between the preheating nozzle 806 and the welding head 4 can be changed. Preheating can slow down the cooling rate after welding and help the escape of diffused hydrogen in the weld metal. A transfer hole is opened on the base 801 corresponding to the gear 805, and a gear shaft is rotatably connected in the transfer hole. The gear 805 is mounted on the end of the gear shaft, and the other end of the gear shaft is connected to a motor 807. The motor 807 is installed at the bottom of the base 801. The top of the preheating nozzle 806 is connected to the third smoke exhaust pipe 808, and the other end of the third smoke exhaust pipe 808 is connected to the first smoke exhaust pipe 607.

[0026] The specific implementation method is as follows: the smoke exhausted through the first smoke exhaust pipe 607 flows into the preheating nozzle 806 through the third smoke exhaust pipe 808, and is finally ejected through the preheating nozzle 806 to preheat the unwelded parts of the anti-seismic bracket. During the process of the preheating nozzle 806 spraying hot air flow to heat the anti-seismic bracket, the angle between the preheating nozzle 806 and the welding head 4 is adjusted according to the welding line of the anti-seismic bracket.

[0027] Working principle, when using: The anti-seismic bracket to be welded is clamped and connected to the clamping mechanism 2, and the clamping mechanism 2 drives the anti-seismic bracket to move horizontally in the horizontal direction as needed during the welding process, and the welding mechanism 3 is controlled to drive the welding head 4 to weld the bracket to be welded on the clamping mechanism 2. During this process, the welding mechanism 3 can change the horizontal position, vertical height and inclination angle of the welding head 4 according to the welding process needs; During the welding process of the anti-seismic bracket by the welding head 4, the fan 702 is controlled to run, and the input port of the fan 702 uses the smoke pipe 703 to suck the welding smoke generated by the welding through the dust head 501. In this process, the hydraulic cylinder 510 is controlled to run, and the telescopic end of the hydraulic cylinder 510 drives the dust head 501 to slide on the welding head 4. When the dust head 501 is pulled by the telescopic end of the hydraulic cylinder 510, the dust head 501 drives multiple umbrella panels 5081 at the same time through the rubber sleeve 503. The umbrella panels 5081 drive the second adapter seat 5082 to approach the corresponding first adapter seat 5071. Under the push of the second adapter seat 5082, the end of the umbrella shaft 5074 drives the second rotating shaft 5083 to rotate on its inner side and twists the second adapter spring 5084 to make it elastically deformed. At the same time, the other end of the umbrella shaft 5074 drives the first rotating shaft 5072 to rotate on the inner side of the first adapter seat 5071, and twists the first adapter spring 5073 The plurality of umbrella-shaped panels 5081 are expanded and dispersed toward the periphery under the simultaneous push of the plurality of umbrella-shaped shafts 5074, and the elastic rubber sleeve 503 is elastically expanded and deformed under the action of the plurality of umbrella-shaped panels 5081, and the compensation pad 5086 is pulled up during the process of the dispersion of two adjacent umbrella-shaped panels 5081, so as to compensate and seal the pores between the dispersed umbrella-shaped panels 5081. During the process of the dust suction head 501 being pushed by the telescopic end of the hydraulic cylinder 510, the plurality of umbrella-shaped panels 5081 are gathered together again, and during the lifting and lowering movement of the dust suction head 501, the dust suction range of the dust suction head 501 is expanded, so as to avoid the overflow of welding smoke and improve the dust suction effect, and the dust adsorbed on the umbrella-shaped panels 5081 can be shaken off to achieve the purpose of dust cleaning, and during the upward rising process of the dust suction head 501, the plurality of umbrella-shaped panels 5081 are dispersed, so as to expand the dust suction aperture of the dust suction head 501, thereby facilitating the further expansion of the dust suction range of the dust suction head 501. The welding smoke sucked by the fan 702 through the input port is discharged into the drainage pipe 602 through the second smoke exhaust pipe 704 through the output port. The welding smoke in the drainage pipe 602 quickly flows into the circular cylinder 601. When the welding smoke enters the circular cylinder 601 along the axial direction, the airflow is strongly rotated by the guide blade 603. The welding smoke spirals downward along the circular cylinder 601 into the conical cylinder 604. The dust particles with high density are thrown to the wall of the device under the action of centrifugal force, and fall down along the inner walls of the circular cylinder 601 and the conical cylinder 604 under the action of gravity. It flows into the ash hopper 605 and flows out from the discharge pipe 610 at the bottom of the inner side of the ash hopper 605. The rotating welding smoke shrinks in the conical cylinder 604 and flows toward the center, forming a secondary vortex upwards, which is filtered by the guide blades 603 and flows toward the top cover 606, and finally flows out through the first smoke exhaust pipe 607. The rotating welding smoke shrinks in the conical cylinder 604 and flows toward the center, which will dry and preheat the welding wire 9. Preheating the welding wire 9 can reduce thermal cracks generated during welding and improve the strength and toughness of the weld. Through preheating, the temperature difference between the welding wire 9 and the base material is reduced, thereby reducing the risk of thermal stress and cold cracks during welding. At the same time, preheating also helps to reduce deformation during welding, making the weld smoother and more beautiful. The smoke exhausted through the first smoke exhaust pipe 607 flows into the preheating nozzle 806 through the third smoke exhaust pipe 808, and is finally ejected through the preheating nozzle 806 to preheat the unwelded part of the seismic support. In the process of the preheating nozzle 806 spraying hot air to heat the seismic support, the angle between the preheating nozzle 806 and the welding head 4 is adjusted according to the welding line of the seismic support, and the motor 807 is controlled to run. The motor 807 drives the gear 805, the gear 805 drives the tooth plate 804, and the tooth plate 804 drives the second slider 803 to slide in the second slide groove 802, so that the angle between the preheating nozzle 806 and the welding head 4 can be changed. Preheating can slow down the cooling rate after welding, which is conducive to the escape of diffused hydrogen in the weld metal, thereby reducing the risk of hydrogen-induced cracks. Preheating can also reduce the hardening degree of the weld and the heat-affected zone, avoid the formation of hard and brittle structures, and thus improve the crack resistance of the weld joint.

[0028] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic welding machine for seismic support, comprising a welding table (1), the welding table (1) being connected to a welding mechanism (3), the welding mechanism (3) being connected to a welding head (4), a welding wire (9) being inserted into the welding head (4), and a clamping mechanism (2) for seismic support being arranged on the welding table (1) corresponding to the welding head (4), characterized in that: The welding head (4) is sleeved with a lifting dust suction component (5) for absorbing welding fumes; the welding mechanism (3) is connected to a first preheating component (6) for heating a welding wire (9) corresponding to the welding head (4); a suction component (7) for sucking and transferring welding fumes is connected between the first preheating component (6) and the lifting dust suction component (5); and the welding mechanism (3) is connected to a second preheating component (8) for preheating a weld corresponding to the welding head (4) and the welding wire (9).

2. The automatic welding machine for earthquake-resistant bracket according to claim 1 is characterized in that: The lifting dust suction assembly (5) comprises a dust suction head (501) sleeved on the periphery of the welding head (4); a vibration-damping lining (502) having a vibration-isolating effect is filled between the dust suction head (501) and the welding head (4); the other end of the dust suction head (501) is connected to a stretchable and expandable rubber sleeve (503); the other end of the rubber sleeve (503) is connected to a fan-shaped piece (508); an inner sleeve (504) is sleeved on the inner side of the welding head (4); a plurality of first slide grooves (505) in an annular array are provided on the inner sleeve (504); a plurality of first slide grooves (505) are slidably connected to the first slide grooves (505); A first slider (506) is connected, the end of the first slider (506) is connected to a support spring (509), the first slider (506) is elastically supported and connected to the inner end surface of the first slide groove (505) through the support spring (509), multiple first sliders (506) are connected to elastic support members (507), and multiple first sliders (506) are elastically connected to the inner arc surface of the fan-shaped member (508) through multiple elastic support members (507), and a hydraulic cylinder (510) is installed on the welding mechanism (3), and the telescopic end of the hydraulic cylinder (510) is connected to the dust collector head (501).

3. The automatic welding machine for earthquake-resistant bracket according to claim 2 is characterized in that: The fan-shaped member (508) comprises a plurality of umbrella-shaped panels (5081) connected to the other end of the rubber sleeve (503) and arranged in a ring array. The opposing surfaces of two adjacent umbrella-shaped panels (5081) are each provided with a compensation groove (5085). The two compensation grooves (5085) are filled with compensation pads (5086). The elastic support member (507) corresponding to the inner arc surface of the umbrella-shaped panel (5081) is connected to a second transfer seat (5082). The inner side of the second transfer seat (5082) is rotatably connected to a second rotating shaft (5083). The end of the second rotating shaft (5083) is sleeved with a second transfer spring (5084). The second rotating shaft (5083) is elastically transferred to the second transfer seat (5082) via the second transfer spring (5084).

4. The automatic welding machine for earthquake-resistant bracket according to claim 3 is characterized in that: The elastic support member (507) comprises a first transfer seat (5071) connected to the first sliding block (506); the inner side of the first transfer seat (5071) is rotatably connected to a first rotating shaft (5072); an end of the first rotating shaft (5072) is sleeved with a first transfer spring (5073); the first rotating shaft (5072) is elastically transferred to the first transfer seat (5071) via the first transfer spring (5073); an umbrella-shaped shaft (5074) is sleeved on the first rotating shaft (5072); the other end of the umbrella-shaped shaft (5074) is sleeved on the second rotating shaft (5083).

5. The automatic welding machine for earthquake-resistant bracket according to claim 1, characterized in that: The first preheating component (6) comprises a circular cylinder (601), the outer wall of the circular cylinder (601) is connected to a drainage pipe (602) along a tangential direction, a guide blade (603) is rotatably connected to the drainage pipe (602) in the circular cylinder (601), the blades of the guide blade (603) are activated carbon filter plates, the bottom of the circular cylinder (601) is connected to a conical cylinder (604), the other end of the conical cylinder (604) is connected to an ash hopper (605), the ash hopper (605) is connected downward to a discharge pipe (610) for discharging solid impurities, and the ash hopper (605) is connected to a position on the welding structure corresponding to the welding wire (9).

6. The automatic welding machine for earthquake-resistant brackets according to claim 5, characterized in that: The suction assembly (7) comprises a machine base (701) connected to the welding mechanism (3), a fan (702) being mounted on the machine base (701), an input port of the fan (702) being connected to a smoke pipe (703), the other end of the smoke pipe (703) being connected to a dust collector head (501), an output port of the fan (702) being connected to a second smoke exhaust pipe (704), the other end of the second smoke exhaust pipe (704) being connected to a drainage pipe (602).

7. The automatic welding machine for earthquake-resistant bracket according to claim 1 is characterized in that: The second preheating assembly (8) comprises a base (801) connected to the welding mechanism (3), the base (801) is provided with an arc-shaped second slide groove (802), a second slider (803) is slidably connected in the second slide groove (802), the second slider (803) is provided with an insertion hole, a preheating nozzle (806) is sleeved in the insertion hole, the second slider (803) is connected with an arc-shaped toothed panel (804), and the toothed panel (804) is meshed with a toothed A gear (805) is provided on the base (801) corresponding to the gear (805), a transfer hole is provided, a gear shaft is rotatably connected in the transfer hole, the gear (805) is sleeved on the end of the gear shaft, the other end of the gear shaft is connected to a motor (807), and the motor (807) is installed at the bottom of the base (801), the top of the preheating nozzle (806) is connected to a third smoke exhaust pipe (808), and the other end of the third smoke exhaust pipe (808) is connected to the first smoke exhaust pipe (607).

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