CN116021125A - Automatic submerged arc welding machine for low-temperature maritime work and welding method - Google Patents
Automatic submerged arc welding machine for low-temperature maritime work and welding method Download PDFInfo
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- CN116021125A CN116021125A CN202310100539.3A CN202310100539A CN116021125A CN 116021125 A CN116021125 A CN 116021125A CN 202310100539 A CN202310100539 A CN 202310100539A CN 116021125 A CN116021125 A CN 116021125A
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Abstract
The invention relates to the technical field of submerged arc welding, in particular to an automatic submerged arc welding machine for a low-temperature maritime work and a welding method, wherein a driving device is placed at a welding position, then a medicine scattering device, a preheating device, a heat preservation device and a welding flux recovery device are moved through the driving device, the welding position is preheated through the preheating device, the temperature of the welding position is increased, welding flux is poured onto the welding position through the medicine scattering device, the welding position is welded under the welding flux through a submerged arc welding machine main body, after the welding is completed, the heat preservation device is used for preserving the heat of the welding position, the welding position is slowly cooled, after the welding is completed, the driving device is reset, and meanwhile, the residual welding flux is recovered through the welding flux recovery device, so that the practicability of equipment is improved; comprises a submerged arc welding machine main body; the device also comprises a driving device, a medicine scattering device, a preheating device, a heat preservation device and a flux recycling device.
Description
Technical Field
The invention relates to the technical field of submerged arc welding, in particular to an automatic submerged arc welding machine for low-temperature maritime work and a welding method.
Background
The submerged arc welding (including submerged arc overlaying and electroslag overlaying) is a method that an arc burns under a flux layer to perform welding, the submerged arc welding machine firstly needs to pour the flux onto a welding line in the use process, then burns under the flux layer through the arc to complete welding, but the existing submerged arc welding machine is relatively simple in structure, as an automatic submerged arc welding machine proposed in the patent with the application number of CN201310297315.2 mainly comprises a welding tracker, a gun head and other parts, when in use, as the submerged arc welding machine moves under the thrust of a pressure spring along with the movable part of the welding tracker, and a tracking bearing of the tracker stretches against a tube plate, the welding gun is prevented from being separated from the welding line, the welding quality and the welding efficiency are ensured, but the submerged arc welding machine performs welding operation in a low-temperature and humid environment, the circular seam cooling speed is too fast, tissue particles are thick, the mechanical property is poor, the welding effect is affected, and the solution of the existing staff is to heat the welding position by using a flame gun, and then perform welding, the time-sharing and labor-consuming processes are required, and the whole welding process is in a low-temperature and humid environment, so that the practical submerged arc welding machine is required to be used.
Disclosure of Invention
In order to solve the technical problems, the invention provides the automatic submerged arc welding machine for the low-temperature sea worker and the welding method, wherein the driving device is placed at a welding position, then the driving device is used for moving the medicine scattering device, the preheating device, the heat preservation device and the welding flux recovery device, the preheating device is used for preheating the welding position, the temperature of the welding position is increased, the medicine scattering device is used for pouring welding flux on the welding position, the submerged arc welding machine body is used for welding the welding position under the welding flux, after the welding is completed, the heat preservation device is used for preserving the heat of the welding position, the driving device is reset after the welding is completed, and meanwhile the residual welding flux is recovered through the welding flux recovery device, so that the practicability of the equipment is improved.
The invention relates to an automatic submerged arc welding machine for low-temperature maritime work and a welding method, comprising a submerged arc welding machine main body; also comprises a driving device, a medicine scattering device, a preheating device, a heat preservation device and a flux recovery device, the submerged arc welding machine main body, the medicine scattering device, the preheating device, the heat preservation device and the welding flux recovery device are all arranged on the driving device;
the welding position is adjusted by the driving device, the welding position is preheated by the preheating device, the welding position is inverted by the medicine scattering device, the welding position is welded by the submerged arc welding machine body, the welded position is insulated by the heat insulation device, and the residual flux is recycled by the flux recycling device;
put drive arrangement to welding position, afterwards remove to spilling medicine device, preheating device, heat preservation device and flux recovery unit through drive arrangement, preheat welding position through preheating device, improve welding position's temperature, rethread spill medicine device with the welding flux down on the welding position, weld welding position under the welding flux through submerged arc welding machine main part, afterwards after the welding is accomplished, keep warm welding position through heat preservation device, make welding position slowly cool down, wait after the welding is accomplished, drive arrangement resets, retrieve residual welding flux through flux recovery unit simultaneously, thereby improve equipment's practicality.
Preferably, the driving device comprises two groups of straight guide rails, a sliding block, a plurality of groups of supporting seats, a plurality of groups of permanent magnet blocks, two groups of gear motors and two groups of gears, wherein the straight guide rails are slidably mounted on the two groups of straight guide rails, a plurality of first gear teeth are respectively arranged on the two groups of straight guide rails, the plurality of groups of supporting seats are respectively slidably mounted on the two groups of straight guide rails, a stop switch is arranged at the left end of the right front side supporting seat, the top ends of the plurality of groups of permanent magnet blocks are respectively connected with the bottom ends of the plurality of groups of supporting seats, the two groups of gear motors are respectively mounted at the front end and the rear end of the sliding block, the two groups of gears are respectively mounted on output shafts of the two groups of gear motors, and the two groups of gears are respectively meshed and connected with the first gear teeth on the two groups of straight guide rails; the welding position is welded by the aid of the cooperation of the submerged arc welding machine main body, the preheating device and the heat preservation device, after the right end of the sliding block presses a stop switch on a support seat on the right front side, the two groups of speed reducing motors, the pesticide spraying device and the preheating device stop running, and therefore the practicability of the equipment is improved.
Preferably, the device further comprises two groups of arc-shaped guide rails, wherein the two groups of arc-shaped guide rails are slidably arranged on the sliding block, and a plurality of second gear teeth are arranged on the two groups of arc-shaped guide rails; when welding pipe fittings or cambered surfaces, the sliding blocks with the arc sliding grooves and the multiple groups of supporting seats are used, the two groups of arc guide rails are slidably mounted on the sliding blocks, the multiple groups of supporting seats are mounted on the two groups of arc guide rails respectively, multiple groups of permanent magnets are adsorbed near welding positions, and the two groups of gears are meshed with second gear teeth on the two groups of arc guide rails respectively for transmission, so that the submerged arc welding machine body is matched with the medicine scattering device, the preheating device and the heat preservation device for welding the welding positions, and the practicability of equipment is improved.
Preferably, the medicine spreading device comprises a storage cylinder, an electromagnetic valve and a vibration motor, wherein the top end of the electromagnetic valve penetrates through the sliding block to be in threaded connection with the bottom end of the storage cylinder, and the vibration motor is arranged at the side end of the storage cylinder; the welding flux is poured into the storage cylinder, the electromagnetic valve and the vibration motor are opened, and the welding flux in the storage cylinder is discharged to a welding position through the vibration of the vibration motor and the electromagnetic valve, so that the practicability of the equipment is improved.
Preferably, the preheating device comprises a support column, a preheating bin, a flame gun, two groups of flame retardant frames and an exhaust fan, wherein the bottom end of the support column is connected with the top end of the sliding block, the left end of the preheating bin is sleeved on the support column and fixed through a limit bolt, the inside of the preheating bin is provided with two groups of chambers, the two groups of chambers are communicated, the flame gun is arranged on the preheating bin and is positioned in the chamber at the left side of the preheating bin, the top ends of the two groups of flame retardant frames are connected with the bottom end of the preheating bin, and the right end of the exhaust fan is connected with the left end of the preheating bin; and opening the flame spraying gun to spray flame to heat the welding position, and then opening the exhaust fan to discharge air into the left side chamber of the preheating bin to provide air for the flame spraying gun, wherein smoke in the left side chamber of the preheating bin enters the right side chamber of the preheating bin, and waste heat in the smoke is used for heating the welding position which is not preheated, so that the practicability of the equipment is improved.
Preferably, the heat preservation device comprises a plurality of groups of support frames, a heat preservation layer and connecting pipes, wherein the top ends of the two groups of straight guide rails are respectively provided with a guide groove, the plurality of groups of support frames are respectively and slidably arranged in the guide grooves of the two groups of straight guide rails, the right end of the right side support frame is connected with the left end of the sliding block, the left end of the left side support frame is connected with the left parts of the two groups of straight guide rails, the heat preservation layer is fixedly arranged on the plurality of groups of support frames, one end of each connecting pipe is communicated with a cavity on the right side of the preheating bin, and the other end of each connecting pipe is connected with the right end of each heat preservation layer; the sliding blocks move from left to right, so that the multiple groups of supporting frames slide on the straight guide rails, the heat preservation layer is unfolded, and meanwhile smoke in the chamber on the right side of the preheating bin is discharged into the heat preservation layer through the connecting pipe, heat preservation is carried out on the welded position, the cooling time of the welding line is prolonged, and therefore the practicability of the equipment is improved.
Preferably, the flux recycling device comprises a recycling cylinder, a top cover, a vacuum pump and a one-way valve, wherein the bottom end of the recycling cylinder passes through a sliding block to be in threaded connection with the top end of the one-way valve; after welding position welding is accomplished to submerged arc welding machine main part, two sets of gear motor reverse operation resets the slider, opens the vacuum pump simultaneously, inhales remaining solder flux through the check valve and stores in the recovery section of thick bamboo, conveniently recycles the solder flux, reduces the waste of solder flux to improve the practicality of equipment.
Preferably, the method comprises the following steps:
s1: cleaning the welding position, and installing a temperature detector to a proper position to enable the temperature detector to detect the temperature of the back surface of the welding position;
s2: the linear welding seam adopts a straight guide rail, the arc-shaped circular seam adopts an arc-shaped guide rail, then the straight guide rail or the arc-shaped guide rail is fixed near a welding position through a permanent magnet block, the bottom ends of the submerged arc welding machine main body and the electromagnetic valve are positioned above the welding seam, the height of the submerged arc welding machine main body is adjusted, and the positions of a plurality of groups of supporting seats are adjusted;
s3: the sliding block moves from left to right through the meshing transmission of a gear of a reducing motor drive gear and a first gear tooth on a straight guide rail or a second gear tooth on an arc guide rail, the welding position is heated through a preheating device, meanwhile, the temperature of the back surface of the welding position is detected by a temperature detector, the sliding block continues to move after the temperature reaches the standard, welding flux is discharged onto a welding seam through an electromagnetic valve, and the welding seam is welded under the welding flux through a submerged arc welding machine main body;
s4: after welding, the welding position is covered by a heat preservation device, and smoke in the preheating device is discharged into the heat preservation device by a connecting pipe, so that heat preservation is carried out on the welding seam, and the cooling time of the welding seam is prolonged;
s5: after the sliding block contacts with a stop switch on the right front side supporting seat, the sliding block stops moving, the electromagnetic valve stops discharging flux, and the submerged arc welding machine main body stops welding;
s6: the speed reducing motor runs reversely, resets the sliding block, and recovers residual welding flux through the welding machine recovery device;
s7: cleaning the residual welding skin by staff;
s8: in the welding process, a worker can send a control signal to the control box through the remote controller to remotely control the welding machine.
Compared with the prior art, the invention has the beneficial effects that:
1. the driving device is matched with the submerged arc welding machine main body and the medicine scattering device to automatically weld the welding seams, so that the welding effect is improved;
2. the welding seam is heated by the preheating device and the heat preservation device, the heat preservation is carried out on the welded welding seam, the cooling time of the welding seam is prolonged, and the welding effect is improved;
3. and after the welding line is cooled, the residual welding flux is recovered through a flux recovery device, the welding line which is just welded is insulated through the welding flux, and the waste of the welding flux is reduced through the recovery of the welding line.
Drawings
FIG. 1 is a schematic illustration of an axially measured structure of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
FIG. 3 is a schematic elevational cross-sectional view of the present invention;
FIG. 4 is a schematic diagram of an enlarged axial measurement structure of the structures such as the straight guide rail and the supporting seat;
FIG. 5 is a schematic diagram of an enlarged axial measurement structure of the structures of the support column, the preheating bin and the like;
FIG. 6 is a schematic view of the structure of the arcuate guide rail of the present invention;
FIG. 7 is an enlarged schematic view of the support base with stop switch of the present invention;
the reference numerals in the drawings: 1. a submerged arc welder body; 2. a straight guide rail; 3. a slide block; 4. a support base; 5. permanent magnet blocks; 6. a speed reducing motor; 7. a gear; 8. a first gear tooth; 9. an arc-shaped guide rail; 10. a second gear tooth; 11. a storage cylinder; 12. an electromagnetic valve; 13. a vibration motor; 14. a support column; 15. preheating a bin; 16. a flame gun; 17. a flame retardant frame; 18. an exhaust fan; 19. a support frame; 20. a heat preservation layer; 21. a connecting pipe; 22. a recovery cylinder; 23. a top cover; 24. a vacuum pump; 25. a one-way valve; 26. and a control box.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. This invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 to 3, comprises a submerged arc welding machine body 1; the submerged arc welding machine comprises a submerged arc welding machine body 1, a chemical spraying device, a preheating device, a heat preservation device and a welding flux recovery device, wherein the submerged arc welding machine body 1, the chemical spraying device, the preheating device, the heat preservation device and the welding flux recovery device are all arranged on the driving device;
the welding position is adjusted by the driving device, the welding position is preheated by the preheating device, the welding position is inverted by the medicine scattering device, the welding position is welded by the submerged arc welding machine main body 1, the welded position is insulated by the heat insulation device, and the residual welding flux is recycled by the welding flux recycling device;
as shown in fig. 1, the driving device includes two sets of straight guide rails 2, a sliding block 3, multiple sets of supporting seats 4, multiple sets of permanent magnets 5, two sets of gear motors 6 and two sets of gears 7, the straight guide rails 2 are slidably mounted on the two sets of straight guide rails 2, a plurality of first gear teeth 8 are respectively arranged on the two sets of straight guide rails 2, the multiple sets of supporting seats 4 are slidably mounted on the two sets of straight guide rails 2, a stop switch is arranged at the left end of the right front side supporting seat 4, the top ends of the multiple sets of permanent magnets 5 are respectively connected with the bottom ends of the multiple sets of supporting seats 4, the two sets of gear motors 6 are respectively mounted at the front end and the rear end of the sliding block 3, the two sets of gears 7 are respectively mounted on output shafts of the two sets of gear motors 6, and the two sets of gears 7 are respectively meshed with the first gear teeth 8 on the two sets of straight guide rails 2;
as shown in fig. 1 and 2, the medicine dispensing device comprises a storage barrel 11, an electromagnetic valve 12 and a vibration motor 13, wherein the top end of the electromagnetic valve 12 passes through the sliding block 3 to be in threaded connection with the bottom end of the storage barrel 11, and the vibration motor 13 is arranged at the side end of the storage barrel 11;
as shown in fig. 5, the preheating device includes a support column 14, a preheating bin 15, a flame gun 16, two groups of flame retardant frames 17 and an exhaust fan 18, wherein the bottom end of the support column 14 is connected with the top end of the sliding block 3, the left end of the preheating bin 15 is sleeved on the support column 14 and fixed by a limit bolt, the inside of the preheating bin 15 is provided with two groups of chambers, the two groups of chambers are communicated, the flame gun 16 is mounted on the preheating bin 15, the flame gun 16 is positioned in the chamber at the left side of the preheating bin 15, the top ends of the two groups of flame retardant frames 17 are connected with the bottom end of the preheating bin 15, and the right end of the exhaust fan 18 is connected with the left end of the preheating bin 15;
the welding device comprises a plurality of groups of permanent magnet blocks 5, two groups of straight guide rails 2, a plurality of groups of supporting seats 4, a driving device, a preheating device, a heat preservation device and a welding flux recycling device, wherein the two groups of permanent magnet blocks 5 are adsorbed near the welding positions, two ends of the two groups of straight guide rails 2 are aligned, the two groups of straight guide rails 2 are respectively fixed on the plurality of groups of supporting seats 4 by bolts, then the driving device is used for moving a medicine scattering device, the preheating device, the heat preservation device and the welding flux recycling device, two groups of speed reducing motors 6 are opened, the two groups of speed reducing motors 7 are respectively meshed with first gear teeth 8 on the two groups of straight guide rails 2 to drive a sliding block 3 from left to right, a flame gun 16 is opened, flame is sprayed to heat the welding positions, then an exhaust fan 18 is opened to discharge air into a left side cavity of the preheating warehouse 15, air is supplied for the flame gun 16, flue gas in the left side cavity of the preheating warehouse 15 is heated in a right side cavity of the preheating warehouse 15, the residual welding flux is poured into a storage cylinder 11, the electromagnetic valve 12 and a vibration motor 13 are opened, the welding flux in the storage cylinder 11 is discharged to the welding position by the vibration matching electromagnetic valve 12 through the vibration motor 13, the welding flux is welded through the main body 1 under the welding position, after the welding position, welding of the sliding block is completed, the welding device is stopped, after the welding device is completed, the welding device is reset, the welding device is stopped, the welding device is cooled by the heat preservation device is cooled, and the welding device is cooled, and the welding device is cooled by the heat preservation device, and the welding device is cooled.
Example 2
As shown in fig. 1 to 3, comprises a submerged arc welding machine body 1; the submerged arc welding machine comprises a submerged arc welding machine body 1, a chemical spraying device, a preheating device, a heat preservation device and a welding flux recovery device, wherein the submerged arc welding machine body 1, the chemical spraying device, the preheating device, the heat preservation device and the welding flux recovery device are all arranged on the driving device;
the welding position is adjusted by the driving device, the welding position is preheated by the preheating device, the welding position is inverted by the medicine scattering device, the welding position is welded by the submerged arc welding machine main body 1, the welded position is insulated by the heat insulation device, and the residual welding flux is recycled by the welding flux recycling device;
as shown in fig. 1, the driving device includes two sets of straight guide rails 2, a sliding block 3, multiple sets of supporting seats 4, multiple sets of permanent magnets 5, two sets of gear motors 6 and two sets of gears 7, the straight guide rails 2 are slidably mounted on the two sets of straight guide rails 2, a plurality of first gear teeth 8 are respectively arranged on the two sets of straight guide rails 2, the multiple sets of supporting seats 4 are slidably mounted on the two sets of straight guide rails 2, a stop switch is arranged at the left end of the right front side supporting seat 4, the top ends of the multiple sets of permanent magnets 5 are respectively connected with the bottom ends of the multiple sets of supporting seats 4, the two sets of gear motors 6 are respectively mounted at the front end and the rear end of the sliding block 3, the two sets of gears 7 are respectively mounted on output shafts of the two sets of gear motors 6, and the two sets of gears 7 are respectively meshed with the first gear teeth 8 on the two sets of straight guide rails 2;
as shown in fig. 5, the preheating device includes a support column 14, a preheating bin 15, a flame gun 16, two groups of flame retardant frames 17 and an exhaust fan 18, wherein the bottom end of the support column 14 is connected with the top end of the sliding block 3, the left end of the preheating bin 15 is sleeved on the support column 14 and fixed by a limit bolt, the inside of the preheating bin 15 is provided with two groups of chambers, the two groups of chambers are communicated, the flame gun 16 is mounted on the preheating bin 15, the flame gun 16 is positioned in the chamber at the left side of the preheating bin 15, the top ends of the two groups of flame retardant frames 17 are connected with the bottom end of the preheating bin 15, and the right end of the exhaust fan 18 is connected with the left end of the preheating bin 15;
as shown in fig. 1, the heat insulation device comprises a plurality of groups of support frames 19, a heat insulation layer 20 and a connecting pipe 21, wherein guide grooves are formed in the top ends of the two groups of straight guide rails 2, the plurality of groups of support frames 19 are slidably mounted in the guide grooves of the two groups of straight guide rails 2, the right end of the right side support frame 19 is connected with the left end of the sliding block 3, the left end of the left side support frame 19 is connected with the left parts of the two groups of straight guide rails 2, the heat insulation layer 20 is fixedly mounted on the plurality of groups of support frames 19, one end of the connecting pipe 21 is communicated with a cavity on the right side of the preheating bin 15, and the other end of the connecting pipe 21 is connected with the right end of the heat insulation layer 20;
the welding method comprises the steps of adsorbing a plurality of groups of permanent magnets 5 near a welding position, aligning two ends of two groups of straight guide rails 2, fixing the two groups of straight guide rails 2 on a plurality of groups of supporting seats 4 respectively by using bolts, then moving a medicine scattering device, a preheating device, a heat preservation device and a flux recycling device through a driving device, opening two groups of gear motors 6, respectively meshed with first gear teeth 8 on the two groups of straight guide rails 2 through two groups of gears 7 to drive the sliding block 3 from left to right, opening a flame gun 16 to spray flame to heat the welding position, then opening an exhaust fan 18 to discharge air into a left side cavity of the preheating warehouse 15, providing air for the flame gun 16, heating the non-preheated welding position in the left side cavity of the preheating warehouse 15 by using waste heat in the smoke, pouring the medicine scattering device onto the welding position, welding the welding position under the welding position by using the waste heat in the smoke, extruding the right end of the sliding block 3, pressing a stop switch on the supporting seat 4 on the right front side of the sliding block 3, opening the flame gun 16, spraying the two groups of the medicine scattering motor 6, stopping the welding device and the welding device onto the right side of the welding position, stretching the welding device, and stretching the welding layer 20 to heat preservation device 20, and recycling the welding flux, and simultaneously, and prolonging the heat preservation time of the welding device, and the welding performance and the heat preservation device, and the heat preservation performance of the welding device, and the welding performance and the residual welding device, and the welding performance.
As shown in fig. 1 to 7, in the low-temperature automatic submerged arc welding machine and the welding method for the marine engineering, when the welding machine works, a plurality of groups of permanent magnets 5 are firstly adsorbed near welding positions, two ends of two groups of straight guide rails 2 are aligned, then the two groups of straight guide rails 2 are respectively fixed on a plurality of groups of supporting seats 4 by bolts, then a medicine scattering device, a preheating device, a heat preservation device and a flux recycling device are moved by a driving device, two groups of speed reducing motors 6 are opened, the two groups of speed reducing motors 6 are respectively meshed with first gear teeth 8 on the two groups of straight guide rails 2 to drive a sliding block 3 from left to right, a flame gun 16 is opened to spray flame to heat the welding positions, then an exhaust fan 18 is opened to discharge air into a left side chamber of a preheating bin 15 to provide air for the flame gun 16, and flue gas in the left side chamber of the preheating bin 15 enters a right side chamber of the preheating bin 15, the welding position which is not preheated is heated by using the waste heat in the flue gas, the welding flux is poured into the storage cylinder 11, the electromagnetic valve 12 and the vibration motor 13 are opened, the welding flux in the storage cylinder 11 is discharged to the welding position through the vibration of the vibration motor 13 and the electromagnetic valve 12, the welding position is welded under the welding flux through the submerged arc welding machine main body 1, after the welding is finished, the right end of the sliding block 3 presses the stop switch on the support seat 4 on the right front side, the two groups of speed reducing motors 6, the medicine scattering device and the preheating device stop running, the groups of support frames 19 slide on the straight guide rail 2, the heat preservation layer 20 is unfolded, the flue gas in the chamber on the right side of the preheating bin 15 is discharged into the heat preservation layer 20 through the connecting pipe 21, the heat preservation is carried out at the position after the welding, the cooling time of the welding seam is prolonged, after the welding of the welding position is finished through the submerged arc welding machine main body 1, the two groups of gear motors 6 reversely run to reset the sliding block 3, and simultaneously the vacuum pump 24 is opened to suck residual flux into the recovery cylinder 22 through the one-way valve 25 for storage, so that the flux is conveniently reused, and the flux waste is reduced.
The main functions realized by the invention are as follows: preheating welding positions in the automatic welding and welding process, and prolonging the cooling time of welding seams;
1. and (3) performing automatic welding: the submerged arc welding machine main body 1 and the medicine scattering device are moved and guided by a driving device to perform automatic welding;
2. preheating welding positions in the welding process: heating the welding seam through a preheating device;
3. and (3) prolonging the cooling time of the welding line: heat loss is reduced through the heat preservation device, and the cooling time of the welding seam is shortened.
The submerged arc welding machine body 1, the gear motor 6, the electromagnetic valve 12, the vibration motor 13, the flame gun 16, the exhaust fan 18, the vacuum pump 24 and the control box 26 of the automatic submerged arc welding machine for the low-temperature marine engineering and the welding method are purchased in the market, and can be installed and operated by a person skilled in the art according to the attached using instructions without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. An automatic submerged arc welding machine for low-temperature maritime work comprises a submerged arc welding machine main body (1); the submerged arc welding machine is characterized by further comprising a driving device, a medicine scattering device, a preheating device, a heat preservation device and a flux recovery device, wherein the submerged arc welding machine main body (1), the medicine scattering device, the preheating device, the heat preservation device and the flux recovery device are all arranged on the driving device;
the welding position is adjusted by the driving device, the welding position is preheated by the preheating device, the welding position is inverted by the medicine scattering device, the welding position is welded by the submerged arc welding machine body (1), the welded position is insulated by the heat insulation device, and the residual flux is recovered by the flux recovery device.
2. The automatic submerged arc welding machine for the low-temperature maritime work according to claim 1, wherein the driving device comprises two groups of straight guide rails (2), a sliding block (3), a plurality of groups of supporting seats (4), a plurality of groups of permanent magnet blocks (5), two groups of speed reducing motors (6) and two groups of gears (7), the straight guide rails (2) are slidably mounted on the two groups of straight guide rails (2), a plurality of first gear teeth (8) are respectively arranged on the two groups of straight guide rails (2), the plurality of groups of supporting seats (4) are slidably mounted on the two groups of straight guide rails (2), a stop switch is arranged at the left end of the right front side supporting seat (4), the top ends of the plurality of groups of permanent magnet blocks (5) are respectively connected with the bottom ends of the plurality of groups of supporting seats (4), the two groups of speed reducing motors (6) are respectively mounted at the front end and the rear end of the sliding block (3), the two groups of gears (7) are respectively mounted on output shafts of the two groups of speed reducing motors (6), and the two groups of gears (7) are respectively meshed with the first gear teeth (8) on the two groups of straight guide rails (2).
3. The automatic submerged arc welding machine for the low-temperature maritime work according to claim 2, further comprising two groups of arc-shaped guide rails (9), wherein the two groups of arc-shaped guide rails (9) are slidably mounted on the sliding block (3), and a plurality of second gear teeth (10) are arranged on the two groups of arc-shaped guide rails (9).
4. The automatic submerged arc welding machine for the low-temperature maritime work according to claim 2, wherein the medicine scattering device comprises a storage barrel (11), an electromagnetic valve (12) and a vibration motor (13), the top end of the electromagnetic valve (12) penetrates through the sliding block (3) to be in threaded connection with the bottom end of the storage barrel (11), and the vibration motor (13) is arranged at the side end of the storage barrel (11).
5. The automatic submerged arc welding machine for the low-temperature maritime work according to claim 2, wherein the preheating device comprises a supporting column (14), a preheating bin (15), a flame gun (16), two groups of flame retardant frames (17) and an exhaust fan (18), the bottom end of the supporting column (14) is connected with the top end of the sliding block (3), the left end of the preheating bin (15) is sleeved on the supporting column (14) and fixed through a limit bolt, two groups of chambers are arranged in the preheating bin (15), the two groups of chambers are communicated, the flame gun (16) is arranged on the preheating bin (15), the flame gun (16) is positioned in the chamber on the left side of the preheating bin (15), the top ends of the two groups of flame retardant frames (17) are connected with the bottom end of the preheating bin (15), and the right end of the exhaust fan (18) is connected with the left end of the preheating bin (15).
6. The automatic submerged arc welding machine for the low-temperature maritime work according to claim 2, wherein the heat preservation device comprises a plurality of groups of supporting frames (19), a heat preservation layer (20) and a connecting pipe (21), guide grooves are formed in the top ends of the two groups of straight guide rails (2), the plurality of groups of supporting frames (19) are slidably mounted in the guide grooves of the two groups of straight guide rails (2), the right end of the right side supporting frame (19) is connected with the left end of the sliding block (3), the left end of the left side supporting frame (19) is connected with the left parts of the two groups of straight guide rails (2), the heat preservation layer (20) is fixedly mounted on the plurality of groups of supporting frames (19), one end of the connecting pipe (21) is communicated with a cavity on the right side of the preheating bin (15), and the other end of the connecting pipe (21) is connected with the right end of the heat preservation layer (20).
7. The automatic submerged arc welding machine for the low-temperature maritime work according to claim 2, wherein the flux recycling device comprises a recycling bin (22), a top cover (23), a vacuum pump (24) and a one-way valve (25), the bottom end of the recycling bin (22) penetrates through a sliding block (3) to be in threaded connection with the top end of the one-way valve (25), the top cover (23) is in threaded connection with the top end of the recycling bin (22), the bottom end of the vacuum pump (24) is connected with the top end of the top cover (23), an air suction port of the vacuum pump (24) penetrates through the top cover (23), and a filter screen is arranged on the air suction port of the vacuum pump (24).
8. The welding method of the automatic submerged arc welding machine for the low-temperature marine engineering is characterized by comprising the following steps of:
s1: cleaning the welding position, and installing a temperature detector to a proper position to enable the temperature detector to detect the temperature of the back surface of the welding position;
s2: the linear welding seam selects a linear guide rail (2), the arc circular seam selects an arc guide rail (9), then the linear guide rail (2) or the arc guide rail (9) is fixed near a welding position through a permanent magnet block (5), the bottom ends of a submerged arc welding machine main body (1) and an electromagnetic valve (12) are positioned above the welding seam, the height of the submerged arc welding machine main body (1) is adjusted, and the positions of a plurality of groups of supporting seats (4) are adjusted;
s3: the speed reducing motor (6) drives the gear (7) to be meshed with a first gear tooth (8) on the straight guide rail (2) or a second gear tooth (10) on the arc guide rail (9), so that the sliding block (3) moves from left to right, the welding position is heated through the preheating device, meanwhile, the temperature detector detects the temperature of the reverse side of the welding position, the sliding block (3) continues to move after the temperature reaches the standard, welding flux is discharged onto a welding seam through the electromagnetic valve (12), and the welding seam is welded under the welding flux through the submerged arc welding machine body (1);
s4: after welding, the welding position is covered by a heat preservation device, and smoke in the preheating device is discharged into the heat preservation device by a connecting pipe (21), so that heat is preserved for the welding seam, and the cooling time of the welding seam is prolonged;
s5: after the sliding block (3) contacts with a stop switch on the right front side supporting seat (4), the sliding block (3) stops moving, the electromagnetic valve (12) stops discharging flux, and the submerged arc welding machine main body (1) stops welding;
s6: the speed reducing motor (6) runs reversely, the sliding block (3) is reset, and the residual welding flux is recovered through the welding machine recovery device;
s7: cleaning the residual welding skin by staff;
s8: during the welding process, a worker can send a control signal to the control box (26) through the remote controller to remotely control the welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310100539.3A CN116021125A (en) | 2023-02-10 | 2023-02-10 | Automatic submerged arc welding machine for low-temperature maritime work and welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310100539.3A CN116021125A (en) | 2023-02-10 | 2023-02-10 | Automatic submerged arc welding machine for low-temperature maritime work and welding method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773266A (en) * | 2024-02-26 | 2024-03-29 | 山东艾德实业有限公司 | Rotary high-degree-of-freedom pick brazing machine and welding method thereof |
| CN118023788A (en) * | 2024-04-11 | 2024-05-14 | 常州起帆工业智能科技有限公司 | Perforation baffle welding set |
| CN118162845A (en) * | 2024-05-10 | 2024-06-11 | 河北海乾威钢管有限公司 | Positioning device and method for welding marine structure pipe |
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- 2023-02-10 CN CN202310100539.3A patent/CN116021125A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773266A (en) * | 2024-02-26 | 2024-03-29 | 山东艾德实业有限公司 | Rotary high-degree-of-freedom pick brazing machine and welding method thereof |
| CN117773266B (en) * | 2024-02-26 | 2024-04-26 | 山东艾德实业有限公司 | Rotary high-degree-of-freedom pick brazing machine and welding method thereof |
| CN118023788A (en) * | 2024-04-11 | 2024-05-14 | 常州起帆工业智能科技有限公司 | Perforation baffle welding set |
| CN118023788B (en) * | 2024-04-11 | 2024-06-18 | 常州起帆工业智能科技有限公司 | Perforation baffle welding set |
| CN118162845A (en) * | 2024-05-10 | 2024-06-11 | 河北海乾威钢管有限公司 | Positioning device and method for welding marine structure pipe |
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