Gantry welding and welding method thereof

Abstract

The present invention discloses a gantry welding and a welding method thereof, which relate to the field of gantry welding. The gantry welding comprises a main body and a slide fixedly installed at the bottom of the main body. A servo motor is fixedly installed at the upper right end of the main body, and a bidirectional threaded rod is fixedly installed at the output end of the servo motor. A self-cooling cooling mechanism is provided at the upper end of a lifting horizontal plate, and the self-cooling cooling mechanism automatically sprays cooling water on the welding position. The gantry welding and the welding method thereof, during welding, as the control box descends, the lifting horizontal plate at the rear end of the control box drives the piston rod to descend along the inside of a water storage barrel. At this time, water resources for cooling can be added to the water storage barrel through a water inlet pipe. The water nozzle is aimed at the position where the welding of the welding head is completed to spray cooling water, which can achieve a rapid cooling effect, further improve the welding efficiency, and enable the welded workpiece to be quickly cooled for the next step, saving the waiting time required for subsequent processing.

Description

Technical Field

[0001] The present invention relates to the technical field of gantry welding, in particular to gantry welding and a welding method thereof. Background Art

[0002] Gantry welding is usually used for welding large workpieces. This method is often carried out using gantry machine tools or gantry welding equipment, and has the advantages of high efficiency and high precision. Gantry welding machines can usually move the welding gun within a larger workspace and are suitable for welding large-sized metal components. Gantry welding is often used in shipbuilding, steel structures, pressure vessels, and other industrial fields that require high-strength welding. Its main advantages include improving welding quality, reducing welding deformation, and increasing production efficiency. Due to the fixed structure of the gantry welding equipment, the operation can be more stable and it is also suitable for mass production;

[0003] In the existing technology, the accuracy of gantry welding is easily affected by errors, resulting in inaccurate welding accuracy, which affects the quality of the final product.

[0004] In order to overcome the above-mentioned shortcomings, a Chinese patent of the prior art (publication number CN106181161A) discloses a gantry welding machine, wherein the gantry comprises a leg A, a leg B and a top plate, the bottom of the leg A is provided with a driving wheel, the bottom of the leg B is provided with a driven wheel, the outer side of the lower part of the leg A is provided with a driving device, the upper end surface of the top plate is respectively provided with a welding wire reel rack A, a welding machine A, a welding wire reel rack B and a welding machine B, the welding wire reel rack A comprises a fixed frame, a movable frame and an air shaft, the welding machine A comprises a welding machine body and a welding gun, a partition plate is provided in the middle of the lower end surface of the top plate, a motor is provided on the left side of the upper part of the leg A, the output shaft of the motor is connected to the input shaft of the reduction gearbox, and a ball screw is provided between the output shaft of the reduction gearbox and the partition plate; the gantry has the advantages of simple structure, reliable operation, high degree of automation and good economy;

[0005] To overcome the above-mentioned shortcomings, a Chinese patent of the prior art (publication number CN108971842A) discloses a gantry welding machine, wherein a mounting frame is mounted on the upper portion of the gantry welding machine, a cylinder is welded to the upper surface of the mounting plate, a drive rod is mounted on the lower portion of the cylinder, a rotary wheel is provided around the outer surface of the rotary rod, and the rotary wheel and the rotary rod are loosely matched, the rotary wheel passes through a through slot and fits the drive rod, a pad is welded to the lower end of the cylinder, the rear end of the pad is welded to the mounting frame, gaskets are welded to the left and right side surfaces of the cylinder, a connecting rod is welded to the rear surface of the gasket, and the rear end of the connecting rod is welded to the mounting frame. The gantry welding machine uses the cylinder to drive the drive rod to move, and the drive rod drives the welding torch to move. The extrusion of the rotary wheel can reduce the lateral movement of the drive rod caused by the force, thereby reducing the error of the welding torch, and improving the welding accuracy by reducing the lateral error of the welding torch.

[0006] Although the existing technology can overcome the above-mentioned shortcomings, there are still other problems in its operation. After the gantry welding is completed, it takes a long time to wait for the workpiece to cool down before the next step can be carried out. If the workpiece needs to be cooled, the staff needs to take out the high-temperature workpiece to cool it down, which is cumbersome and prone to accidental injury, and is not conducive to the use of the staff. Summary of the Invention

[0007] The object of the present invention is to provide a gantry welding and a welding method thereof, so as to solve the problem proposed in the above background technology that after the gantry welding is completed, it takes a long time to wait for the workpiece to cool down before the next step can be carried out. If the workpiece needs to be cooled, the staff needs to take out the high-temperature workpiece for cooling, which is cumbersome and prone to accidental injury, and is not conducive to the use of the staff.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solutions: a gantry welding and a welding method thereof, comprising a main body and a slide fixedly mounted at the bottom of the main body, wherein a servo motor is fixedly mounted at the upper right end of the main body, a bidirectional threaded rod is fixedly mounted at the output end of the servo motor, and a movable block is threadedly mounted on the surface of the bidirectional threaded rod;

[0009] A feed box is fixedly mounted on the front end of the movable block, and an electric telescopic rod is fixedly mounted on the lower end of the feed box, and a control box is fixedly mounted on the output end of the electric telescopic rod, and a welding head is fixedly mounted on the lower end of the control box, and a lifting horizontal plate is fixedly mounted on the rear end of the control box, and a self-cooling cooling mechanism is provided on the upper end of the lifting horizontal plate, and the self-cooling cooling mechanism automatically sprays cooling water on the welding position;

[0010] The inner walls of the left and right ends of the main body are fixedly mounted with support bins, and an automatic debris removal mechanism is provided inside the support bin, and the automatic debris removal mechanism is provided with an elastic airbag, and the lower end of the elastic airbag is fixedly mounted inside the support bin;

[0011] A fixing rod is fixedly installed on the inner wall of the upper end of the main body, and a recovery box is fixedly installed on the lower end of the fixing rod. An air suction purification mechanism is arranged inside the recovery box, and the air suction purification mechanism absorbs the post-welding gas.

[0012] Furthermore, the threads on the left and right ends of the bidirectional threaded rod are opposite, and a limit rod is installed through the interior of the movable block, and the left and right ends of the limit rod are fixedly installed on the inner wall of the main body.

[0013] Furthermore, the self-cooling cooling mechanism includes a water storage barrel fixedly installed at the bottom of the movable block, and a water inlet pipe is installed through the rear end of the water storage barrel, and a one-way valve is provided inside the water inlet pipe, and a guide pipe is installed through the upper end of the water storage barrel, and a water nozzle is fixedly installed at the lower end of the guide pipe, and the outer side of the water nozzle is fixedly installed on the inner side of the control box, and the output end of the water nozzle is aligned with the bottom of the welding head.

[0014] Furthermore, a piston rod is fixedly mounted on the upper end of the lifting horizontal plate, and the upper end of the piston rod is in contact with the inner wall of the water storage barrel.

[0015] Furthermore, the automatic debris removal mechanism includes limit grooves opened at the left and right ends of the main body, and a limit block is nested inside the limit groove, and the limit block is in a "T" shape, and a telescopic pressure plate is fixedly installed on the inner side of the limit block, and the inner side of the telescopic pressure plate is fixedly installed on the outer side of the lifting horizontal plate, and the telescopic pressure plate is located at the upper end of the elastic airbag.

[0016] Furthermore, an air guide tube is installed through the lower inner end of the elastic airbag, and the lower end of the air guide tube is installed through the upper end of the air jet, and the air jet is fixedly installed on the inner sides of the left and right ends of the main body through fixing parts, and the output end of the air jet is aligned with the bottom of the welding head.

[0017] Furthermore, a one-way air inlet is installed through the outer side of the elastic airbag, and the one-way air inlet is arranged through the inner wall of the main body, and a one-way valve is arranged inside the one-way air inlet.

[0018] Furthermore, the automatic debris removal mechanism includes a first bevel gear fixedly installed on the middle end of the bidirectional threaded rod, and a second bevel gear is meshedly installed on the lower end of the first bevel gear, and a rotating rod is fixedly installed on the lower end of the second bevel gear, and an intake fan is fixedly installed on the lower end of the rotating rod, and the upper end of the intake fan is fixedly installed on the bottom of the recycling box, and the upper end of the intake fan is connected to the interior of the recycling box, and an air vent is opened at the upper end of the recycling box.

[0019] Furthermore, the front and rear ends of the recycling box are nested with filter plates, and filter cotton is set on the surface of the filter plates, and the rear end of the front filter plate is provided with a positioning groove, and the front end of the rear filter plate is fixedly installed with a positioning rod, and the positioning rod is set corresponding to the positioning groove.

[0020] Furthermore, a gantry welding method is characterized in that it specifically comprises the following steps:

[0021] S1: When using the gantry welding machine, the main body is installed on the corresponding slide rail through the slide groove so that the entire device can move back and forth. During welding, the servo motor is started, and the start of the servo motor drives the two-way threaded rod fixedly installed at its output end to rotate. When the two-way threaded rod rotates, it can drive the movable block with threaded connection on its surface to move. The movable blocks on the left and right sides have opposite threads on the left and right ends of the two-way threaded rod. Therefore, when the two-way threaded rod rotates, the movable blocks can move inward or outward at the same time under the limit of the limit rod for synchronous adjustment. At this time, when the movable block is adjusted to just above the welding position, the feed box adds welding materials to the welding head through the retractable pipe, and the control box and the welding head reach the welding position by starting the electric telescopic rod. At this time, the welding head is started by the control box to weld, achieving the effect of gantry welding and synchronous welding on the left and right ends. , which can improve the production effect of the device and improve the efficiency of welding. During welding, as the control box descends, the lifting horizontal plate at the rear end of the control box drives the piston rod to descend along the inside of the water storage barrel. At this time, cooling water can be added to the water storage barrel through the water inlet pipe. After welding is completed, the control box and the welding head are driven to move up and reset by the electric telescopic rod. At this time, the lifting horizontal plate at the rear end of the control box drives the piston rod to slide upward against the inner wall of the water storage barrel to squeeze the cooling water inside the water storage barrel. At this time, the water inside the water storage barrel will not flow back because of the one-way valve inside the water inlet pipe. The water inside the water storage barrel can only be transported to the water nozzle through the guide pipe. The water nozzle is aimed at the position where the welding of the welding head is completed to spray cooling water, which can achieve the effect of rapid cooling and further improve the efficiency of welding. The welded workpiece can be quickly cooled to proceed to the next step, saving the waiting time required for subsequent processing.

[0022] S2: Before welding, the control box at the lower end is driven by the electric telescopic rod to correspond to the welding position when the welding head is lowered, and the lifting cross plate is lowered, which can drive the telescopic pressure plate fixed on the outside to lower. When the telescopic pressure plate descends, the elastic air bag inside the support chamber is squeezed, and the elastic air bag is squeezed to transport the air inside to the air nozzle through the air guide pipe. The air nozzle is aimed at the position where welding is required to blow air in advance to remove impurities, so as to avoid the accumulation of impurities affecting the welding effect and preventing poor welding effect. When the welding head position needs to be adjusted left and right by the two-way threaded rod, since the telescopic pressure plate is a telescopic plate, under the limit of the limit block and the limit groove, the telescopic pressure plate can be extended and retracted following the welding position to avoid affecting the adjustment of the welding position. When welding is completed, the control box drives the lifting cross plate to rise with the rise of the electric telescopic rod. At this time, the telescopic pressure plate moves up along the limit groove through the limit block. At this time, the elastic air bag stops being squeezed, and the elastic air bag is reset by its own elastic expansion. At this time, through the setting of the one-way air inlet, air can be inhaled to inflate the elastic air bag, which can be re-inflated for use.

[0023] S3: During welding, when the position of the welding head is adjusted by the bidirectional threaded rod, the first bevel gear drives the second bevel gear meshed with it at the lower end to rotate, and the rotation of the second bevel gear drives the rotating rod to rotate. The rotation of the rotating rod drives the suction fan at the bottom of the recovery box to rotate. The upper end of the recovery box is fixedly mounted on the upper inner wall of the main body by a fixing rod. At this time, the rotation of the suction fan can absorb the fume generated during welding into the recovery box, thereby preventing the fume generated during welding from being absorbed into the lungs of the workers. The fume entering the recovery box passes through the filter plate and the filter cotton provided on the upper end of the filter plate, thereby adsorbing the harmful substances in the fume. At this time, the purified air is discharged through the air vent at the upper end of the recovery box, thereby preventing the fume generated during welding from polluting the environment and causing harm to the workers, thereby improving the safety of the device. At the same time, the filter plate can be replaced after use, and the two filter plates at the front and rear ends can be pulled out for cleaning and replacement, which is convenient for the workers to operate. At the same time, when installing the filter plate, the positioning rod of the rear filter plate is aligned with the positioning groove of the front filter plate to achieve convenient installation, which can save the workers the tediousness of replacement and use and improve the convenience of use for users.

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

[0025] 1. When using the gantry welding machine, the main body is installed on the corresponding slide rail through the slide groove, so that the entire device can move forward and backward. During welding, by starting the servo motor, the bidirectional threaded rod rotates, and the control box starts the welding head to weld, achieving the effect of gantry welding. The synchronous welding of the left and right ends can improve the production effect of the device and improve the efficiency of welding.

[0026] Furthermore, during welding, as the control box descends, the lifting horizontal plate at the rear end of the control box drives the piston rod to descend along the inside of the water storage barrel. At this time, cooling water can be added to the water storage barrel through the water inlet pipe, and the water nozzle is aimed at the position where the welding head is completed to spray cooling water, which can achieve a rapid cooling effect, further improve the welding efficiency, and enable the welded workpiece to be quickly cooled for the next step, saving the waiting time required for subsequent processing;

[0027] 2. Before welding, the electric telescopic rod drives the control box at the lower end and the welding head to descend to the corresponding welding position. The lifting horizontal plate descends, which can drive the telescopic pressure plate fixed on the outside to descend. The elastic airbag is squeezed and the air inside is transported to the air nozzle through the air guide tube. The air nozzle is aimed at the position to be welded to blow air in advance to remove impurities, so as to avoid impurities accumulating and affecting the welding effect, and prevent poor welding effect.

[0028] 3. During welding, when the position of the welding head is adjusted by the bidirectional threaded rod, the first bevel gear drives the second bevel gear meshing with it at the lower end to rotate. The rotation of the second bevel gear drives the rotating rod to rotate, which can absorb harmful substances in the fume. At this time, the purified air is discharged through the air vent at the upper end of the recovery box, preventing the fume generated during welding from polluting the environment and causing harm to workers, thereby improving the safety of the device;

[0029] Furthermore, the filter plate can be replaced after use. The two filter plates at the front and rear ends can be pulled out for cleaning and replacement, which is convenient for the staff to operate, can save the staff the tediousness of replacement and use, and improve the convenience of use for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0031] Figure 2 This is a bottom-up perspective structural diagram of the present invention;

[0032] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention from a top view;

[0033] Figure 4 This is a schematic diagram of the automatic cooling three-dimensional structure of the present invention;

[0034] Figure 5 This is a schematic diagram of the side cross-sectional structure of the water storage barrel of the present invention;

[0035] Figure 6 This is a schematic diagram of the cross-sectional three-dimensional structure of the support warehouse of the present invention;

[0036] Figure 7 For the present invention Figure 6 A in the middle is an enlarged structural diagram;

[0037] Figure 8 This is a schematic diagram of the cross-sectional three-dimensional structure of the telescopic pressing plate of the present invention;

[0038] Figure 9 This is a schematic diagram of the three-dimensional structure of the air intake purification mechanism of the present invention;

[0039] Figure 10 This is a schematic diagram of the cross-sectional three-dimensional structure of the recycling box of the present invention;

[0040] Figure 11 It is a schematic diagram of the three-dimensional structure of the positioning rod in a side section according to the present invention.

[0041] In the figure: 1. Main body; 2. Slide; 3. Servo motor; 4. Bidirectional threaded rod; 5. Movable block; 6. Limit rod; 7. Feed box; 8. Electric telescopic rod; 9. Control box; 10. Welding head; 11. Lifting horizontal plate; 12. Piston rod; 13. Water storage barrel; 14. Diversion pipe; 15. Water nozzle; 16. Water inlet pipe; 17. Telescopic pressure plate; 18. Limit block; 19. Limit slot; 20. Support bin; 21. Elastic airbag; 22. Air guide pipe; 23. Air jet; 24. One-way air inlet; 25. First bevel gear; 26. Second bevel gear; 27. Rotating rod; 28. Recovery box; 29. ​​Fixed rod; 30. Suction fan; 31. Filter plate; 32. Positioning rod; 33. Positioning slot. DETAILED DESCRIPTION

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0043] Example 1:

[0044] like Figures 1-6 The technical solution shown, in order to solve the problem of long cooling time after welding is completed, discloses: a main body 1 and a slide 2 fixedly installed at the bottom of the main body 1, and a servo motor 3 is fixedly installed on the upper right end of the main body 1, and a bidirectional threaded rod 4 is fixedly installed on the output end of the servo motor 3, and a movable block 5 is threadedly installed on the surface of the bidirectional threaded rod 4, a feed box 7 is fixedly installed on the front end of the movable block 5, and an electric telescopic rod 8 is fixedly installed on the lower end of the feed box 7, and a control box 9 is fixedly installed on the output end of the electric telescopic rod 8, and a welding head 10 is fixedly installed on the lower end of the control box 9, and a lifting horizontal plate 11 is fixedly installed on the rear end of the control box 9, and a self-cooling cooling mechanism is provided on the upper end of the lifting horizontal plate 11, and the self-cooling cooling mechanism automatically sprays the welding position Cooling water, the left and right ends of the two-way threaded rod 4 have opposite threads, and the interior of the movable block 5 is penetrated by a limit rod 6, and the left and right ends of the limit rod 6 are fixedly mounted on the inner wall of the main body 1, and the self-cooling cooling mechanism includes a water storage barrel 13 fixedly mounted on the bottom of the movable block 5, and the rear end of the water storage barrel 13 is penetrated by a water inlet pipe 16, and a one-way valve is provided inside the water inlet pipe 16, and the upper end of the water storage barrel 13 is penetrated by a guide pipe 14, and the lower end of the guide pipe 14 is fixedly mounted with a water spray port 15, and the outer side of the water spray port 15 is fixedly mounted on the inner side of the control box 9, and the output end of the water spray port 15 is aligned with the bottom of the welding head 10, and the upper end of the lifting horizontal plate 11 is fixedly mounted with a piston rod 12, and the upper end of the piston rod 12 is in contact with the inner wall of the water storage barrel 13;

[0045] When welding, the servo motor 3 is started, and the start of the servo motor 3 drives the bidirectional threaded rod 4 fixedly installed at its output end to rotate. When the bidirectional threaded rod 4 rotates, it can drive the movable block 5 with thread connection on its surface to move. The threads of the left and right movable blocks 5 are opposite at the left and right ends of the bidirectional threaded rod 4. Therefore, when the bidirectional threaded rod 4 rotates, the movable blocks 5 can move inward or outward at the same time under the limit of the limit rod 6 for synchronous adjustment. At this time, when the movable block 5 is adjusted to just above the welding position, the feed box 7 adds welding material to the welding head 10 through the retractable pipe, and the control box 9 and the welding head 10 reach the welding position by starting the electric telescopic rod 8. At this time, the welding head 10 is started by the control box 9 to weld, thereby achieving the effect of gantry welding. The synchronous welding of the left and right ends can improve the efficiency of the device. The water inside the water storage barrel 13 can only be transported to the water nozzle 15 through the guide pipe 14, and the water nozzle 15 is aimed at the position where the welding of the welding head 10 is completed to spray cooling water, which can achieve the effect of rapid cooling and further improve the efficiency of welding.

[0046] Example 2:

[0047] like Figure 1 、 Figure 2 、 Figure 6 、 Figure 7 and Figure 8The technical solution shown, in order to solve the problem that impurities before welding easily affect the welding effect, discloses: the inner walls of the left and right ends of the main body 1 are fixedly installed with support bins 20, and the interior of the support bin 20 is provided with an automatic impurity removal mechanism, and the automatic impurity removal mechanism is provided with an elastic airbag 21, and the lower end of the elastic airbag 21 is fixedly installed inside the support bin 20, the automatic impurity removal mechanism includes a limit groove 19 opened at the left and right ends of the main body 1, and the inner portion of the limit groove 19 is nested with a limit block 18, and the limit block 18 is in a "T" shape, and a telescopic pressure plate 1 is fixedly installed on the inner side of the limit block 18. 7. The inner side of the telescopic pressure plate 17 is fixedly mounted on the outer side of the lifting horizontal plate 11, and the telescopic pressure plate 17 is located at the upper end of the elastic airbag 21. The lower end of the inner side of the elastic airbag 21 is penetrated by an air guide tube 22, and the lower end of the air guide tube 22 is penetrated by the upper end of the air jet 23, and the air jet 23 is fixedly mounted on the inner side of the left and right ends of the main body 1 through a fixing member, and the output end of the air jet 23 is aligned with the bottom of the welding head 10. A one-way air inlet 24 is penetrated on the outer side of the elastic airbag 21, and the one-way air inlet 24 is set through the inner wall of the main body 1, and a one-way valve is set inside the one-way air inlet 24;

[0048] In the embodiment, before welding, the control box 9 at the lower end is driven by the electric telescopic rod 8 to lower the welding head 10 to correspond to the welding position, and the lifting cross plate 11 is lowered, which can drive the telescopic pressure plate 17 fixed on the outside to be lowered. When the telescopic pressure plate 17 is lowered, the elastic air bag 21 inside the support warehouse 20 is squeezed. The elastic air bag 21 is squeezed and the air inside is transported to the air jet 23 through the air guide pipe 22. The air jet 23 is aimed at the position where welding is required to be performed in advance to blow air and remove impurities, so as to avoid the accumulation of impurities affecting the welding effect and prevent the welding effect from being poor. When the position of the welding head 10 needs to be adjusted by the two-way threaded rod 4 When the welding position is adjusted to the left or right position, since the telescopic pressing plate 17 is a telescopic plate, under the limit of the limit block 18 and the limit groove 19, the telescopic pressing plate 17 can be extended and retracted following the welding position to avoid affecting the adjustment of the welding position. When the welding is completed, the control box 9 follows the rise of the electric telescopic rod 8 to drive the lifting cross plate 11 to rise. At this time, the telescopic pressing plate 17 moves up along the limit groove 19 through the limit block 18. At this time, the elastic airbag 21 stops being squeezed and the elastic airbag 21 is reset by its own elastic expansion. At this time, the one-way air inlet 24 is set to allow air to be inhaled to inflate the elastic airbag 21 so that it can be re-inflated for use.

[0049] Example 3:

[0050] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 、 Figure 9 、 Figure 10 and Figure 11The technical solution shown in the figure, in order to solve the problem that the fume generated during welding causes damage to the workers and the environment, discloses: a fixed rod 29 is fixedly installed on the inner wall of the upper end of the main body 1, and a recovery box 28 is fixedly installed on the lower end of the fixed rod 29, and an air suction purification mechanism is provided inside the recovery box 28, and the air suction purification mechanism absorbs the gas after welding, and the automatic impurity removal mechanism includes a first bevel gear 25 fixedly installed at the middle end of the bidirectional threaded rod 4, and the lower end of the first bevel gear 25 is meshed with a second bevel gear 26, and the lower end of the second bevel gear 26 is fixed. A rotating rod 27 is fixedly installed, and an air suction fan 30 is fixedly installed at the lower end of the rotating rod 27. The upper end of the air suction fan 30 is fixedly installed at the bottom of the recovery box 28, and the upper end of the air suction fan 30 is communicated with the interior of the recovery box 28. An air vent is opened at the upper end of the recovery box 28. The front and rear ends of the recovery box 28 are nested and installed with filter plates 31, and filter cotton is set on the surface of the filter plate 31. A positioning groove 33 is opened at the rear end of the front filter plate 31, and a positioning rod 32 is fixedly installed at the front end of the rear filter plate 31. The positioning rod 32 is correspondingly arranged with the positioning groove 33.

[0051] In the embodiment, during welding, when the position of the welding head 10 is adjusted by the bidirectional threaded rod 4, the first bevel gear 25 drives the second bevel gear 26 meshed with the lower end thereof to rotate, and the rotation of the second bevel gear 26 drives the rotating rod 27 to rotate, and the rotation of the rotating rod 27 drives the suction fan 30 at the bottom of the recovery box 28 to rotate. The upper end of the recovery box 28 is fixedly mounted on the upper end inner wall of the main body 1 through the fixing rod 29. At this time, the rotation of the suction fan 30 can absorb the fume generated during welding into the interior of the recovery box 28, so as to prevent the fume generated during welding from being absorbed into the lungs of the staff. The fume entering the recovery box 28 passes through The filter plate 31 and the filter cotton arranged on the upper end of the filter plate 31 can adsorb harmful substances in the smoke. At this time, the purified air is discharged through the air vent at the upper end of the recovery box 28, which prevents the smoke generated during welding from polluting the environment and causing harm to the workers, thereby improving the safety of the device. At the same time, the filter plate 31 can be replaced after use, and the two filter plates 31 at the front and rear ends can be pulled out for cleaning and replacement, which is convenient for the workers to operate. At the same time, when installing the filter plate 31, the positioning rod 32 of the rear filter plate 31 is aligned with the positioning groove 33 of the front filter plate 31 to achieve convenient installation, which can save the workers the tediousness of replacement and use, and improve the convenience of use for users.

[0052] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A gantry welding machine, comprising a main body (1) and a slide groove (2) fixedly mounted on the bottom of the main body (1), wherein a servo motor (3) is fixedly mounted on the upper right end of the main body (1), a bidirectional threaded rod (4) is fixedly mounted on the output end of the servo motor (3), and a movable block (5) is threadedly mounted on the surface of the bidirectional threaded rod (4); Its characteristics are: A feed box (7) is fixedly mounted on the front end of the movable block (5), and an electric telescopic rod (8) is fixedly mounted on the lower end of the feed box (7), and a control box (9) is fixedly mounted on the output end of the electric telescopic rod (8), and a welding head (10) is fixedly mounted on the lower end of the control box (9), and a lifting horizontal plate (11) is fixedly mounted on the rear end of the control box (9), and a self-cooling cooling mechanism is provided on the upper end of the lifting horizontal plate (11), and the self-cooling cooling mechanism automatically sprays cooling water on the welding position; Support bins (20) are fixedly mounted on the inner walls of the left and right ends of the main body (1), and an automatic debris removal mechanism is provided inside the support bin (20), and the automatic debris removal mechanism is provided with an elastic airbag (21), and the lower end of the elastic airbag (21) is fixedly mounted inside the support bin (20); A fixing rod (29) is fixedly mounted on the inner wall of the upper end of the main body (1), and a recovery box (28) is fixedly mounted on the lower end of the fixing rod (29), and an air suction purification mechanism is provided inside the recovery box (28), and the air suction purification mechanism absorbs the gas after welding; The automatic debris removal mechanism includes a first bevel gear (25) fixedly mounted on the middle end of the bidirectional threaded rod (4), and a second bevel gear (26) is meshedly mounted on the lower end of the first bevel gear (25), and a rotating rod (27) is fixedly mounted on the lower end of the second bevel gear (26), and an air suction fan (30) is fixedly mounted on the lower end of the rotating rod (27), and the upper end of the air suction fan (30) is fixedly mounted on the bottom of the recovery box (28), and the upper end of the air suction fan (30) is communicated with the interior of the recovery box (28), and an air vent is provided at the upper end of the recovery box (28); The front and rear ends of the recycling box (28) are both nested with filter plates (31), and filter cotton is provided on the surface of the filter plates (31), and a positioning groove (33) is provided at the rear end of the front filter plate (31), and a positioning rod (32) is fixedly installed at the front end of the rear filter plate (31), and the positioning rod (32) is provided corresponding to the positioning groove (33); The automatic debris removal mechanism includes a limiting groove (19) provided at both left and right ends of the main body (1), and a limiting block (18) is nested inside the limiting groove (19), and the limiting block (18) is arranged in a "T" shape, and a telescopic pressure plate (17) is fixedly installed on the inner side of the limiting block (18), and the inner side of the telescopic pressure plate (17) is fixedly installed on the outer side of the lifting horizontal plate (11), and the telescopic pressure plate (17) is located at the upper end of the elastic airbag (21).

2. The gantry welding method according to claim 1, wherein: The threads on the left and right ends of the bidirectional threaded rod (4) are opposite to each other, and a limiting rod (6) is installed through the interior of the movable block (5), and the left and right ends of the limiting rod (6) are fixedly installed on the inner wall of the main body (1).

3. The gantry welding method according to claim 1, wherein: The self-cooling mechanism comprises a water storage barrel (13) fixedly mounted on the bottom of the movable block (5), a water inlet pipe (16) passing through the rear end of the water storage barrel (13), a one-way valve being provided inside the water inlet pipe (16), a flow guide pipe (14) passing through the upper end of the water storage barrel (13), a water spray port (15) being fixedly mounted on the lower end of the flow guide pipe (14), the outer side of the water spray port (15) being fixedly mounted on the inner side of the control box (9), and the output end of the water spray port (15) being aligned with the bottom of the welding head (10).

4. The gantry welding method according to claim 3, characterized in that: A piston rod (12) is fixedly mounted on the upper end of the lifting horizontal plate (11), and the upper end of the piston rod (12) is in contact with the inner wall of the water storage barrel (13).

5. The gantry welding method according to claim 1, characterized in that: An air guide tube (22) is installed through the inner lower end of the elastic airbag (21), and the lower end of the air guide tube (22) is installed through the upper end of the air jet port (23). The air jet port (23) is fixedly installed on the inner sides of the left and right ends of the main body (1) through a fixing member, and the output end of the air jet port (23) is aligned with the bottom of the welding head (10).

6. The gantry welding method according to claim 5, characterized in that: A one-way air inlet (24) is installed through the outer side of the elastic airbag (21), and the one-way air inlet (24) is arranged through the inner wall of the main body (1), and a one-way valve is arranged inside the one-way air inlet (24).

7. A gantry welding method, characterized in that: The specific steps include: S1: When using the gantry welding, the main body (1) is installed on the corresponding slide rail through the slide groove (2), so that the device as a whole can move forward and backward. During welding, the servo motor (3) is started. The start of the servo motor (3) drives the bidirectional threaded rod (4) fixedly installed at its output end to rotate. When the bidirectional threaded rod (4) rotates, it can drive the movable block (5) connected to the surface of the bidirectional threaded rod to move. Because the threads of the left and right ends of the bidirectional threaded rod (4) are opposite, when the bidirectional threaded rod (4) rotates, the movable blocks (5) on the left and right sides are connected. The movable block (5) can be moved inward or outward at the same time under the limit of the limit rod (6) to perform synchronous adjustment. At this time, when the movable block (5) is adjusted to the top of the welding position, the feeding box (7) adds welding materials to the welding head (10) through the telescopic pipe. The control box (9) and the welding head (10) are started by the electric telescopic rod (8) to reach the welding position. At this time, the welding head (10) is started by the control box (9) to perform welding, thereby achieving the effect of gantry welding. The synchronous welding of the left and right ends can improve the production of the device. The effect is to improve the efficiency of welding. During welding, as the control box (9) descends, the lifting horizontal plate (11) at the rear end of the control box (9) drives the piston rod (12) to descend along the inside of the water storage barrel (13). At this time, water resources for cooling can be added to the inside of the water storage barrel (13) through the water inlet pipe (16). After welding is completed, the control box (9) and the welding head (10) are driven to move upward and reset through the electric telescopic rod (8). At this time, the lifting horizontal plate (11) at the rear end of the control box (9) drives the piston rod (12) to slide upward in contact with the inner wall of the water storage barrel (13). The cooling water resources inside the water storage barrel (13) are squeezed. At this time, the water inside the water storage barrel (13) will not flow back because of the one-way valve inside the water inlet pipe (16). The water resources inside the water storage barrel (13) can only be transported to the water spray port (15) through the guide pipe (14). The water spray port (15) is aimed at the position where the welding head (10) is completed to spray the cooling water, which can achieve a rapid cooling effect, further improve the welding efficiency, and enable the welded workpiece to be quickly cooled to proceed to the next step, saving the waiting time required for subsequent processing; S2: Before welding, the electric telescopic rod (8) drives the control box (9) at the lower end and the welding head (10) to descend to correspond to the welding position, and the lifting horizontal plate (11) descends, which can drive the telescopic pressure plate (17) fixed on the outside to descend. When the telescopic pressure plate (17) descends, it squeezes the elastic air bag (21) inside the support chamber (20). The elastic air bag (21) is squeezed and the air inside is transported to the air nozzle (23) through the air guide tube (22). The air nozzle (23) is aimed at the position to be welded and blows air to remove impurities in advance to avoid impurities accumulation affecting the welding effect and prevent poor welding effect. When the position of the welding head (10) needs to be adjusted by the two-way threaded rod (4), When the telescopic pressing plate (17) is in the left and right positions, since the telescopic pressing plate (17) is a telescopic plate, under the limit of the limit block (18) and the limit groove (19), the telescopic pressing plate (17) can be extended and retracted following the welding position to avoid affecting the adjustment of the welding position. When the welding is completed, the control box (9) follows the rise of the electric telescopic rod (8) to drive the lifting horizontal plate (11) to rise. At this time, the telescopic pressing plate (17) moves up along the limit groove (19) through the limit block (18). At this time, the elastic airbag (21) stops being squeezed and the elastic airbag (21) is reset by its own elastic expansion. At this time, the one-way air inlet (24) is set to inhale air and inflate the elastic airbag (21) so that it can be re-inflated for use. S3: During welding, when the position of the welding head (10) is adjusted by the bidirectional threaded rod (4), the second bevel gear (26) meshed with the first bevel gear (25) is driven to rotate, and the rotation of the second bevel gear (26) drives the rotating rod (27) to rotate. The rotation of the rotating rod (27) drives the suction fan (30) at the bottom of the recovery box (28) to rotate. The upper end of the recovery box (28) is fixedly mounted on the upper inner wall of the main body (1) through the fixing rod (29). At this time, the rotation of the suction fan (30) can absorb the smoke generated during welding into the inside of the recovery box (28), thereby preventing the smoke generated during welding from being absorbed into the lungs of the workers and entering the inside of the recovery box (28). The smoke passes through the filter plate (31) and the filter cotton arranged on the upper end of the filter plate (31), which can adsorb harmful substances inside the smoke. At this time, the purified air is discharged through the air vent at the upper end of the recovery box (28), so as to avoid the smoke generated during welding from polluting the environment and causing harm to the workers, thereby improving the safety of the device. At the same time, the filter plate (31) can be replaced after use, and the two filter plates (31) at the front and rear ends can be pulled out for cleaning and replacement, which is convenient for the operation of the workers. At the same time, when the filter plate (31) is installed, the positioning rod (32) of the rear filter plate (31) is aligned with the positioning groove (33) of the front filter plate (31), so as to achieve convenient installation, save the tediousness of replacement and use by the workers, and improve the convenience of use by the users.

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