A manhole automatic welding device

Abstract

The present invention relates to the technical field of manhole welding, and discloses an automatic manhole welding device, including a base, a support frame fixedly connected to the top of the base, a shielding curtain fixedly connected to the front of the top of the base, a magnetic suction moving mechanism is arranged on the left side of the base, a limiting mechanism is arranged on the back end of the left side of the base, a welding mechanism is arranged on the back end of the base, a flip mechanism is arranged on the top of the magnetic suction moving mechanism, the magnetic suction moving mechanism includes a magnetic suction component and a moving component, the magnetic suction component is arranged inside the support frame, the moving component is arranged inside the base, the magnetic suction component includes a pad, the pad is fixedly connected to the left side of the base, the top of the pad is fixedly connected to a first motor, and the right side of the first motor is fixedly connected to a rotating shaft. The magnetic suction cup can absorb the magnetic suction buckle, so that the magnetic suction buckle can be separated from the surface of the manhole material, so that the staff can take the manhole material after welding.

Description

Technical Field

[0001] The invention relates to the technical field of manhole welding, in particular to an automatic manhole welding device. Background Art

[0002] Manhole welding is an important process step in the manufacture of equipment such as pressure vessels and storage tanks. It involves connecting the manhole (a circular or rectangular opening for personnel entry and exit or equipment maintenance) to the main structure of the container. The characteristics of manhole welding include simple and reliable process, strong and durable welding, low maintenance cost, beautiful appearance and wide application range.

[0003] When producing manhole covers, it is necessary to place the manhole cover and flange ring in the mold at the same time, turn on the turntable to drive the mold to rotate automatically and slowly, turn on the argon arc welding machine to evenly weld the manhole cover and flange ring, and then turn on the two-guard welding machine to make more beautiful covering welding for the manhole cover and flange ring; then place the welded manhole cover, multiple sets of upper ears, handles and opening brackets in the positioning mold respectively, and manually spot weld multiple welding positions, and then weld at various positions and angles. After the top welding of the manhole cover is completed, the manhole cover is flipped 180 degrees. After the flip is completed, another set of molds is used to place the manhole cover in the mold, and then the argon arc welding machine is turned on to perform outer ring fusion welding on the flange ring and the cover lining ring, and then the two-guard welding machine is used to cover the other welds of the manhole cover. After the welding is completed, the manhole cover is cleaned of the splashes generated by the two-guard welding, and then the shot blasting electrolysis is used to complete the final processing of the manhole cover.

[0004] The production process of manhole covers is complicated and cumbersome, and the production process requires multiple workstation conversions and process flows between processes, resulting in relatively low production efficiency of the manhole covers. When the manhole covers are transferred through the process, they are manually moved, which also leads to high labor intensity for the staff, resulting in poor practicality. In addition, when processing the manhole covers, the staff are required to manually rotate the pressing piece so that the pressing piece clamps the manhole cover, which is troublesome to clamp and disassemble, so improvement is needed. Summary of the invention

[0005] The object of the present invention is to provide a manhole automatic welding device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an automatic manhole welding device, comprising a base, a support frame is fixedly connected to the top of the base, a shielding curtain is fixedly connected to the front of the top of the base, a magnetic attraction moving mechanism is arranged on the left side of the base, a limiting mechanism is arranged on the back end of the left side of the base, a welding mechanism is arranged on the back end of the base, and a flip mechanism is arranged on the top of the magnetic attraction moving mechanism;

[0007] The magnetic attraction moving mechanism comprises a magnetic attraction component and a moving component, wherein the magnetic attraction component is arranged inside the support frame, and the moving component is arranged inside the base;

[0008] The cam is connected to the first gear and the second gear is connected to the. cam, and the cam is connected to the first gear by the spring, and the cam is connected to the first gear by the spring.

[0009] According to the above technical solution, a circular groove corresponding to the movement trajectory of the rotating frame is opened inside the arc plate, and the rotating frame is rotatably connected to the inside of the circular groove. The opened circular groove makes the rotating frame more stable during the rotation process. The set rotating frame can support the first pulley, making the first pulley more stable during the rotation process.

[0010] According to the above technical solution, the rotating frame, the first pulley and the rotating gear are provided with limiting grooves corresponding to the movement trajectory of the rotating rod, and the rotating rod is slidably connected to the inside of the limiting groove. Through the opened limiting groove, when the first pulley rotates, it can drive the rotating rod to rotate, and when the sliding plate moves, it can drive the rotating rod to slide inside the first pulley.

[0011] According to the above technical solution, the moving component includes a fourth pulley, the fourth pulley is fixedly connected to the periphery of the rotating shaft, the fourth pulley is connected to the second transmission belt for transmission at the periphery, the second transmission belt is connected to the third pulley for transmission at the top, the left side of the third pulley is fixedly connected to a rotating gear, the right side of the third pulley is fixedly connected to a first screw rod, the first screw rod is rotatably connected to the inner side of the base, the periphery of the first screw rod is threadedly connected to a moving plate, the left and right sides of the moving plate are fixedly connected to a cross plate, the top right side of the cross plate is fixedly connected to a linkage frame, the top of the linkage frame is fixedly connected to a push plate, and the push plate is fixedly connected to the right side of the sliding plate.

[0012] According to the above technical solution, a slide groove corresponding to the movement trajectory of the moving plate is opened inside the base, and the moving plate is slidably connected inside the slide groove. The opened slide groove makes the moving plate more stable during the movement.

[0013] According to the above technical solution, the limiting mechanism includes a hollow plate, which is fixedly connected to the left side of the base, a first cylinder is fixedly connected to the top of the hollow plate, a slide is fixedly connected to the bottom of the first cylinder, a second fixed plate is fixedly connected to the top of the front of the slide, a second limiting rack is fixedly connected to the top of the second fixed plate, the second limiting rack is meshed with the bottom of the rotating gear, a first fixed plate is fixedly connected to the bottom of the front of the slide, a first fixed plate is fixedly connected to the bottom of the first fixed plate, and the first limiting rack is meshed with the top of the rotating gear.

[0014] According to the above technical solution, a fixing groove corresponding to the movement trajectory of the skateboard is opened on the inner side of the hollow plate, and the skateboard is slidably connected inside the fixing groove. Through the opened fixing groove, when the first cylinder drives the skateboard to move, the skateboard moves more stably.

[0015] According to the above technical solution, the flipping mechanism includes a rotating cylinder, which is rotatably connected to the inner side of the horizontal plate, a rotating block is fixedly connected to the top of the rotating cylinder, a rotating rod is fixedly connected inside the rotating block, and fixed blocks are rotatably connected to the front and rear sides of the rotating rod, a rotating plate is fixedly connected to the top of the fixed block, a rotating motor is fixedly connected to the bottom of the rotating plate, a mold plate is connected to the top of the rotating motor, the mold plate is rotatably connected to the inner side of the rotating plate, a hinge is fixedly connected to the top right side of the rotating plate, and a magnetic buckle is provided on the top of the mold plate.

[0016] According to the above technical solution, there are two rotating plates, which are respectively fixedly connected to the left and right sides of the bottom of the hinge. The hinge is set so that the two rotating plates can rotate through the hinge.

[0017] According to the above technical solution, the welding mechanism includes a rotating motor, which is fixedly connected to the left side of the base, a second screw rod is fixedly connected to the right side of the rotating motor, the second screw rod is rotatably connected to the inner back end of the base, the outer periphery of the second screw rod is threadedly connected to a moving frame, a first connecting block is fixedly connected to the left side of the top of the moving frame, a argon arc welder is fixedly connected to the top of the first connecting block, a second connecting block is fixedly connected to the right side of the top of the moving frame, and a second-protection welding machine is fixedly connected to the top of the second connecting block.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0019] 1. The manhole automatic welding device, through the magnetic suction moving mechanism, when it is necessary to move the position of the rotating plate, the rotating gear, the third pulley, the second transmission belt, the fourth pulley, the first screw rod, the push plate, the linkage frame, the cross plate and the moving plate are used in cooperation to adjust the processing position of the manhole material on the top of the rotating plate, and the rotating frame, the arc plate, the rotating rod, the rack plate, the support plate, the first gear, the linkage plate, the magnetic suction cup, the first transmission belt, the sliding plate, the rotating gear, the first pulley, the first motor, the pad, the rotating shaft, the second pulley and the first gear are cooperated with each other to enable the magnetic suction cup to absorb the magnetic suction buckle, so that the magnetic suction buckle can be separated from the surface of the manhole material, so that the staff can take the manhole material after welding.

[0020] 2. The manhole automatic welding device, through the setting of the limiting mechanism, is used in conjunction with the first limiting rack, the first fixed plate, the slide plate, the hollow plate, the first cylinder, the second limiting rack and the second fixed plate. The second limiting rack is meshed with the rotating gear, so that the first transmission belt slides around the first pulley and cannot drive the first pulley to rotate, so that the rotating rod is not easy to rotate. The slide plate drives the first limiting rack to move downward through the first fixed plate, so that the first limiting rack is meshed with the rotating gear, so that the rotating gear limits the third pulley, so that the second transmission belt cannot drive the third pulley to rotate, and the first screw rod cannot rotate. The first limiting rack and the second limiting rack can limit the first screw rod and the rotating rod, so that the operation of the device is more stable.

[0021] 3. The manhole automatic welding device, through the setting of the turning mechanism, is used in conjunction with the setting of the rotating cylinder, rotating block, rotating rod, fixed block, rotating plate, hinge, magnetic buckle, mold plate and rotating motor, so that the left rotating cylinder can drive the left rotating plate to rotate, and the right rotating cylinder can drive the right rotating plate to rotate, so that the manhole cover mold placed on the top of the rotating plate can be automatically molded.

[0022] 4. The manhole automatic welding device, through the set welding mechanism, is used in conjunction with the set rotating motor, the second screw rod, the moving frame, the first connecting block, the argon arc welder, the second connecting block and the two-protection welding machine. According to the welding requirements of different positions, the manhole cover mold can be welded through the argon arc welder and the two-protection welding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a three-dimensional diagram of the structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the magnetic attraction moving mechanism;

[0026] Figure 3 It is a schematic diagram of the structure of the magnetic suction component;

[0027] Figure 4 It is a schematic diagram of the structure of the rotating gear and the first pulley;

[0028] Figure 5 is a schematic diagram of the structure of the first motor heel pad;

[0029] Figure 6 It is a structural schematic diagram of the first screw rod, the push plate and the linkage frame;

[0030] Figure 7 It is a schematic diagram of the limit mechanism structure;

[0031] Figure 8 It is a schematic diagram of the flip mechanism structure;

[0032] Fig. 9 It is a schematic diagram of the structure of the rotating plate, hinge and magnetic buckle;

[0033] Fig.10 It is a schematic diagram of the structure of the rotating motor, the second screw rod and the moving frame;

[0034] Fig.11 This is a schematic diagram of the welding mechanism structure.

[0035] In the figure: 1, base; 2, limiting mechanism; 21, first limiting rack; 22, first fixed plate; 23, slide plate; 24, hollow plate; 25, first cylinder; 26, second limiting rack; 27, second fixed plate; 3, magnetic moving mechanism; 31, magnetic assembly; 311, rotating frame; 312, arc plate; 313, rotating rod; 314, rack plate; 315, support plate; 316, first gear; 317, linkage plate; 318, magnetic suction disc; 319, first transmission belt; 3191, sliding plate; 3192, rotating gear; 3193, first pulley; 3194, first motor; 3195, pad; 3196, rotating shaft; 3197, second pulley; 3198, magnetic suction disc; 3199, first transmission belt; 3200, sliding plate; 3201, rotating gear; 3202, first pulley; 3203, first motor; 3204, backing plate; 3205, rotating shaft; 3206, second pulley; 3207, second pulley; 3208, magnetic suction disc; 3209, first transmission belt; 3210, sliding plate; 3211, rotating gear; 3212, first pulley; 3213, second pulley; 3214, magnetic suction mechanism; 3215, magnetic assembly; 3216, rotating frame; 3217, arc plate; 3218, rotating rod; 3219, second pulley; 3221 2. Moving assembly; 321. Rotating gear; 322. Third pulley; 323. Second transmission belt; 324. Fourth pulley; 325. First screw rod; 326. Push plate; 327. Linkage frame; 328. Cross plate; 329. Moving plate; 4. Welding mechanism; 41. Rotating motor; 42. Second screw rod; 43. Moving frame; 44. First connecting block; 45. Argon arc welder; 46. Second connecting block; 47. Two-protection welding machine; 5. Shielding curtain; 6. Support frame; 7. Flipping mechanism; 71. Rotating cylinder; 72. Rotating block; 73. Rotating rod; 74. Fixed block; 75. Rotating plate; 76. Hinge; 77. Magnetic buckle; 78. Mold plate; 79. Rotating motor. DETAILED DESCRIPTION

[0036] 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.

[0037] The present invention provides the following technical solutions:

[0038] Embodiment 1

[0039] Combination Figure 1-11 , an automatic manhole welding device, comprising a base 1, a support frame 6 is fixedly connected to the top of the base 1, a shielding curtain 5 is fixedly connected to the front of the top of the base 1, a magnetic attraction moving mechanism 3 is arranged on the left side of the base 1, a limiting mechanism 2 is arranged on the back end of the left side of the base 1, a welding mechanism 4 is arranged on the back end of the base 1, and a flip mechanism 7 is arranged on the top of the magnetic attraction moving mechanism 3;

[0040] The magnetic attraction moving mechanism 3 includes a magnetic attraction component 31 and a moving component 32. The magnetic attraction component 31 is arranged inside the support frame 6, and the moving component 32 is arranged inside the base 1.

[0041] The magnetic attraction assembly 31 includes a pad 3195, the pad 3195 is fixedly connected to the left side of the base 1, the top of the pad 3195 is fixedly connected to the first motor 3194, the right side of the first motor 3194 is fixedly connected to the rotating shaft 3196, the outer periphery of the rotating shaft 3196 is fixedly connected to the second pulley 3197, the outer periphery of the second pulley 3197 is connected to the first transmission belt 319, the inner top of the first transmission belt 319 is connected to the first pulley 3193, the left side of the first pulley 3193 is fixedly connected to the rotating gear 3192, the right side of the first pulley 3193 is fixedly connected to the rotating frame 311, and the right side of the rotating frame 311 rotates An arc plate 312 is connected, and the arc plate 312 is fixedly connected to the top of the support frame 6. The first pulley 3193 is slidably connected to the rotating rod 313 inside, and the first gear 316 is fixedly connected to the outer periphery of the rotating rod 313. The outer periphery of the rotating rod 313 is rotatably connected to the support plate 315. The bottom of the support plate 315 is fixedly connected to the sliding plate 3191, and the sliding plate 3191 is slidably connected to the inner side of the support frame 6. The back end of the first gear 316 is meshed with a rack plate 314, and the rack plate 314 is slidably connected to the inside of the sliding plate 3191. The bottom of the rack plate 314 is fixedly connected to a linkage plate 317, and the bottom of the linkage plate 317 is fixedly connected to a magnetic suction cup 318.

[0042] Furthermore, a circular groove corresponding to the movement trajectory of the rotating frame 311 is opened inside the arc plate 312, and the rotating frame 311 is rotatably connected to the inside of the circular groove. The opened circular groove makes the rotating frame 311 more stable during the rotation process. The set rotating frame 311 can support the first pulley 3193, making the first pulley 3193 more stable during the rotation process.

[0043] Furthermore, limiting grooves corresponding to the movement trajectory of the rotating rod 313 are opened inside the rotating frame 311, the first pulley 3193 and the rotating gear 3192, and the rotating rod 313 is slidably connected inside the limiting groove. Through the opened limiting groove, when the first pulley 3193 rotates, it can drive the rotating rod 313 to rotate, and when the sliding plate 3191 moves, it can drive the rotating rod 313 to slide inside the first pulley 3193.

[0044] Embodiment 2

[0045] See also Figure 1-11, and on the basis of Example 1, the moving component 32 further includes a fourth pulley 324, the fourth pulley 324 is fixedly connected to the periphery of the rotating shaft 3196, the fourth pulley 324 is transmission-connected to the second transmission belt 323 at the periphery, the second transmission belt 323 is transmission-connected to the third pulley 322 at the top, the left side of the third pulley 322 is fixedly connected to the rotating gear 321, the right side of the third pulley 322 is fixedly connected to the first screw rod 325, the first screw rod 325 is rotationally connected to the inner side of the base 1, the periphery of the first screw rod 325 is threadedly connected to a moving plate 329, the left and right sides of the moving plate 329 are fixedly connected to a horizontal plate 328, the top right side of the horizontal plate 328 is fixedly connected to a linkage frame 327, the top of the linkage frame 327 is fixedly connected to a push plate 326, and the push plate 326 is fixedly connected to the right side of the sliding plate 3191.

[0046] Furthermore, a slide groove corresponding to the movement trajectory of the movable plate 329 is opened inside the base 1, and the movable plate 329 is slidably connected inside the slide groove. Through the opened slide groove, the movable plate 329 is more stable during the movement.

[0047] Embodiment 3

[0048] See also Figure 1-11 On the basis of the first embodiment, the limiting mechanism 2 further comprises a hollow plate 24, the hollow plate 24 is fixedly connected to the left side of the base 1, the top of the hollow plate 24 is fixedly connected to the first cylinder 25, the bottom of the first cylinder 25 is fixedly connected to the slide plate 23, the top of the front of the slide plate 23 is fixedly connected to the second fixed plate 27, the top of the second fixed plate 27 is fixedly connected to the second limiting rack 26, the second limiting rack 26 is meshed with the bottom of the rotating gear 3192, the bottom of the front of the slide plate 23 is fixedly connected to the first fixed plate 22, the bottom of the first fixed plate 22 is fixedly connected to the first limiting rack 21, and the first limiting rack 21 is meshed with the top of the rotating gear 321.

[0049] Furthermore, a fixing groove corresponding to the movement trajectory of the slide plate 23 is opened inside the hollow plate 24, and the slide plate 23 is slidably connected inside the fixing groove. Through the opening of the fixing groove, when the first cylinder 25 drives the slide plate 23 to move, the slide plate 23 moves more stably.

[0050] Embodiment 4

[0051] See also Figure 1-11On the basis of the first embodiment, the flipping mechanism 7 further comprises a rotating cylinder 71, which is rotatably connected to the inner side of the horizontal plate 328, a rotating block 72 is fixedly connected to the top of the rotating cylinder 71, a rotating rod 73 is fixedly connected inside the rotating block 72, fixed blocks 74 are rotatably connected to the front and rear sides of the rotating rod 73, a rotating plate 75 is fixedly connected to the top of the fixed block 74, a rotating motor is fixedly connected to the bottom of the rotating plate 75, a mold plate 78 is connected to the top of the rotating motor, the mold plate 78 is rotatably connected to the inner side of the rotating plate 75, a hinge 76 is fixedly connected to the top right side of the rotating plate 75, and a magnetic buckle 77 is provided on the top of the mold plate 78.

[0052] Furthermore, there are two rotating plates 75 , and the two rotating plates 75 are respectively fixedly connected to the left and right sides of the bottom of the hinge 76 . The hinge 76 is provided so that the two rotating plates 75 can rotate through the hinge 76 .

[0053] Embodiment 5

[0054] See also Figure 1-11 On the basis of the first embodiment, the welding mechanism 4 further comprises a rotating motor 41, the rotating motor 41 is fixedly connected to the left side of the base 1, a second screw rod 42 is fixedly connected to the right side of the rotating motor 41, the second screw rod 42 is rotatably connected to the inner back end of the base 1, a movable frame 43 is threadedly connected to the outer periphery of the second screw rod 42, a first connecting block 44 is fixedly connected to the left side of the top of the movable frame 43, a argon arc welder 45 is fixedly connected to the top of the first connecting block 44, a second connecting block 46 is fixedly connected to the right side of the top of the movable frame 43, and a second welding machine 47 is fixedly connected to the top of the second connecting block 46.

[0055] In actual operation, when this device is used, the manhole cover mold is placed on the top of the mold plate 78, the manhole cover mold is fixed by the magnetic buckle 77, the manhole cover mold is welded by the argon arc welder 45, and the mold plate 78 is driven to rotate by the rotating motor 79, so that the mold plate 78 can drive the manhole cover mold to rotate, and the argon arc welder 45 can perform ring welding on the manhole cover mold. When the position of the manhole cover mold needs to be moved, the slide plate 23 is driven to move upward by the first cylinder 25, so that the slide plate 23 can drive the second limit rack 26 to move upward through the second fixed plate 27, so that the second limit rack 26 can mesh with the rotating gear 3192, so that the first transmission belt 319 slides outside the first pulley 3193, and cannot drive the first pulley 3193 to rotate, so that the rotating rod 313 is not easy to rotate;

[0056] The first motor 3194 drives the rotating shaft 3196 to rotate, so that the rotating shaft 3196 drives the second transmission belt 323 to rotate through the fourth pulley 324, so that the second transmission belt 323 drives the third pulley 322 to rotate, so that the third pulley 322 can drive the first screw rod 325 to rotate, so that the first screw rod 325 can drive the moving plate 329 to move, so that the moving plate 329 can drive the rotating plate 75 to move left and right, so that the manhole material processing position on the top of the rotating plate 75 can be adjusted;

[0057] The second screw rod 42 is driven to rotate by the rotating motor 41, so that the second screw rod 42 can drive the first connecting block 44 and the second connecting block 46 to move through the moving frame 43, so that the first connecting block 44 can drive the argon arc welder 45 to move, and the second connecting block 46 can drive the second welding machine 47 to move, so that the argon arc welder 45 and the second welding machine 47 can move to the left, and the slide plate 23 is driven to move downward by the first cylinder 25, so that the slide plate 23 drives the first limiting rack 21 to move downward through the first fixed plate 22, so that the first limiting rack 21 is meshed with the rotating gear 3192, so that the rotating gear 3192 limits the third pulley 322, so that the second The transmission belt 323 cannot drive the third pulley 322 to rotate, so that the first screw rod 325 cannot rotate, and the first motor 3194 is turned on. The first motor 3194 drives the second pulley 3197 to rotate through the rotating shaft 3196, so that the second pulley 3197 drives the first pulley 3193 to rotate through the first transmission belt 319, so that the first pulley 3193 can drive the first gear 316 to rotate through the rotating rod 313, so that the first gear 316 drives the linkage plate 317 and the magnetic suction cup 318 to move downward through the rack plate 314, so that the magnetic suction cup 318 can absorb the magnetic suction buckle 77, so that the magnetic suction buckle 77 can be separated from the surface of the manhole material;

[0058] The right rotating cylinder 71 is operated to output and drive the right rotating plate 75 to start turning 45 degrees. At the same time, the left rotating cylinder 71 is operated to output and drive the left rotating plate 75 to start turning 135 degrees. At this time, the two sets of manhole cover molds are molded together. Then, the right rotating cylinder 71 is operated to continue to output 90 degrees. At the same time, the left rotating cylinder 71 is operated to output and drive the left rotating plate 75 to reversely turn 90 degrees. The two sets of rotating cylinders 71 are operated to retract to the initial position at the same time to complete the automatic turning of the manhole cover, which is convenient for the staff to mold the left and right manhole cover molds. When it is necessary to weld the molded manhole cover mold, the manhole material is fixed by the magnetic buckle 77, and the second screw rod 42 is driven to rotate by the rotating motor 41, so that the second screw rod 42 can drive the first connecting block 44 and the second connecting block 46 through the moving frame 43. Move, so that the first connecting block 44 can drive the argon arc welder 45 to move, and the second connecting block 46 can drive the two-protection welding machine 47 to move, so that the argon arc welder 45 and the two-protection welding machine 47 can move to the right, and the manhole cover mold can be welded by the argon arc welder 45 and the two-protection welding machine 47, and the mold plate 78 is driven to rotate by the rotating motor 79, so that the mold plate 78 can drive the fixed and molded manhole cover mold to rotate, so that the argon arc welder 45 and the two-protection welding machine 47 can perform ring welding on the manhole cover mold. After welding is completed, the upper half of the multiple groups of magnetic buckles 77 are removed by using the magnetic suction cup 318, the welded manhole cover is removed, the weld is inspected and repaired, and the production is completed after confirmation of compliance. During the welding process, the shielding curtain can effectively block the stimulation of the welding arc light and improve production safety.

[0059] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0060] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manhole automatic welding device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a support frame (6), the front of the top of the base (1) is fixedly connected to a shielding curtain (5), the left side of the base (1) is provided with a magnetic attraction moving mechanism (3), the left back end of the base (1) is provided with a limiting mechanism (2), the inner back end of the base (1) is provided with a welding mechanism (4), and the top of the magnetic attraction moving mechanism (3) is provided with a flipping mechanism (7); The magnetic attraction moving mechanism (3) comprises a magnetic attraction component (31) and a moving component (32), wherein the magnetic attraction component (31) is arranged inside the support frame (6), and the moving component (32) is arranged inside the base (1); The magnetic attraction component (31) comprises a pad (3195), wherein the pad (3195) is fixedly connected to the left side of the base (1), the top of the pad (3195) is fixedly connected to a first motor (3194), the right side of the first motor (3194) is fixedly connected to a rotating shaft (3196), the outer periphery of the rotating shaft (3196) is fixedly connected to a second pulley (3197), the outer periphery of the second pulley (3197) is connected to a first transmission belt (319), the inner top of the first transmission belt (319) is connected to a first pulley (3193), the left side of the first pulley (3193) is fixedly connected to a rotating gear (3192), the right side of the first pulley (3193) is fixedly connected to a rotating frame (311), and the right side of the rotating frame (311) is rotatably connected to A curved plate (312) is provided, the curved plate (312) being fixedly connected to the top of the support frame (6), a rotating rod (313) being slidably connected inside the first pulley (3193), a first gear (316) being fixedly connected to the periphery of the rotating rod (313), a supporting plate (315) being rotatably connected to the periphery of the rotating rod (313), a sliding plate (3191) being fixedly connected to the bottom of the supporting plate (315), the sliding plate (3191) being slidably connected to the inner side of the support frame (6), a rack plate (314) being meshed at the back end of the first gear (316), the rack plate (314) being slidably connected to the inside of the sliding plate (3191), a linkage plate (317) being fixedly connected to the bottom of the rack plate (314), and a magnetic suction cup (318) being fixedly connected to the bottom of the linkage plate (317).

2. The automatic manhole welding device according to claim 1, characterized in that: A circular groove corresponding to the movement trajectory of the rotating frame (311) is provided inside the arc-shaped plate (312), and the rotating frame (311) is rotatably connected inside the circular groove.

3. The automatic manhole welding device according to claim 2 is characterized in that: The rotating frame (311), the first pulley (3193) and the rotating gear (3192) are provided with limiting grooves corresponding to the movement trajectory of the rotating rod (313), and the rotating rod (313) is slidably connected to the inside of the limiting grooves.

4. The automatic manhole welding device according to claim 3 is characterized in that: The moving assembly (32) comprises a fourth pulley (324), the fourth pulley (324) being fixedly connected to the periphery of the rotating shaft (3196), the periphery of the fourth pulley (324) being transmission-connected to a second transmission belt (323), the inner top of the second transmission belt (323) being transmission-connected to a third pulley (322), the left side of the third pulley (322) being fixedly connected to a rotating gear (321), the right side of the third pulley (322) being fixedly connected to a first screw rod (325), the first screw rod (325) being rotationally connected to the inner side of the base (1), the periphery of the first screw rod (325) being threadedly connected to a moving plate (329), the left and right sides of the moving plate (329) being fixedly connected to a transverse plate (328), the top right side of the transverse plate (328) being fixedly connected to a linkage frame (327), the top of the linkage frame (327) being fixedly connected to a push plate (326), and the push plate (326) being fixedly connected to the right side of the sliding plate (3191).

5. The automatic manhole welding device according to claim 4, characterized in that: A sliding groove corresponding to the movement track of the movable plate (329) is provided inside the base (1), and the movable plate (329) is slidably connected inside the sliding groove.

6. The automatic manhole welding device according to claim 5, characterized in that: The limiting mechanism (2) comprises a hollow plate (24), the hollow plate (24) being fixedly connected to the left side of the base (1), the top of the hollow plate (24) being fixedly connected to a first cylinder (25), the bottom of the first cylinder (25) being fixedly connected to a slide plate (23), the top of the front of the slide plate (23) being fixedly connected to a second fixed plate (27), the top of the second fixed plate (27) being fixedly connected to a second limiting rack (26), the second limiting rack (26) being meshed with the bottom of a rotating gear (3192), the bottom of the front of the slide plate (23) being fixedly connected to a first fixed plate (22), the bottom of the first fixed plate (22) being fixedly connected to a first limiting rack (21), the first limiting rack (21) being meshed with the top of a rotating gear (321).

7. The automatic manhole welding device according to claim 6, characterized in that: A fixing groove corresponding to the movement track of the slide plate (23) is provided on the inner side of the hollow plate (24), and the slide plate (23) is slidably connected inside the fixing groove.

8. The automatic manhole welding device according to claim 7, characterized in that: The turning mechanism (7) comprises a rotating cylinder (71), the rotating cylinder (71) is rotatably connected to the inner side of the horizontal plate (328), the top of the rotating cylinder (71) is fixedly connected to a rotating block (72), the interior of the rotating block (72) is fixedly connected to a rotating rod (73), the front and rear sides of the rotating rod (73) are rotatably connected to fixed blocks (74), the top of the fixed block (74) is fixedly connected to a rotating plate (75), the bottom of the rotating plate (75) is fixedly connected to a rotating motor (79), the top of the rotating motor (79) is connected to a mold plate (78), the mold plate (78) is rotatably connected to the inner side of the rotating plate (75), the top right side of the rotating plate (75) is fixedly connected to a hinge (76), and the top of the mold plate (78) is provided with a magnetic buckle (77).

9. The automatic manhole welding device according to claim 8, characterized in that: There are two rotating plates (75), and the two rotating plates (75) are respectively fixedly connected to the left and right sides of the bottom of the hinge (76).

10. The automatic manhole welding device according to claim 9, characterized in that: The welding mechanism (4) comprises a rotating motor (41), the rotating motor (41) being fixedly connected to the left side of the base (1), a second screw rod (42) being fixedly connected to the right side of the rotating motor (41), the second screw rod (42) being rotatably connected to the inner back end of the base (1), a movable frame (43) being threadedly connected to the outer periphery of the second screw rod (42), a first connecting block (44) being fixedly connected to the left side of the top of the movable frame (43), a argon arc welder (45) being fixedly connected to the top of the first connecting block (44), a second connecting block (46) being fixedly connected to the right side of the top of the movable frame (43), and a second welding machine (47) being fixedly connected to the top of the second connecting block (46).

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