CN114161015B

CN114161015B - Stiffening ring automatic welding device

Info

Publication number: CN114161015B
Application number: CN202111621381.1A
Authority: CN
Inventors: 沈延军; 郑翼; 高阳; 郑彪
Original assignee: Beijing Haoyunda Zhichuang Technology Co Ltd
Current assignee: Beijing Haoyunda Zhichuang Technology Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-02-28
Anticipated expiration: 2041-12-28
Also published as: CN114161015A

Abstract

The invention discloses an automatic stiffening ring welding device, which relates to the technical field of stiffening ring welding and comprises a mounting frame and a metal pipe, wherein a bottom plate is fixedly mounted on the outer wall of the bottom of the mounting frame, a side groove is formed in the outer wall of one side of the mounting frame, a welding part is inserted into the inner wall of the side groove, a bearing hole is formed in the outer wall of one side of the mounting frame, the inner wall of the bearing hole is rotatably connected with a rotating shaft, a driving mechanism is arranged at one end of the rotating shaft, a stiffening ring is sleeved on the outer wall of the metal pipe, a bearing mechanism is arranged at the bottom of the metal pipe, and a smoke exhaust mechanism is connected to one side of an air box. According to the invention, the arranged air exhaust box is aligned to the welding position, welding fume generated in welding can be collected, the welding fume flows into the inner wall of the filter box, the filter plate can filter impurities with larger particles, the filter sponge collects fume, and the stepped shape of the filter sponge increases the contact area with the fume, so that the fume filtering effect is improved.

Description

Stiffening ring automatic welding device

Technical Field

The invention relates to the technical field of stiffening ring welding, in particular to an automatic stiffening ring welding device.

Background

In some projects, some pressure steel pipes are commonly used, for example, the external pressure of a plain steel pipe is the difference between the internal pressure and the external pressure caused by ventilation equipment when the pipeline is empty, the external pressure of a buried steel pipe is the external water pressure when the pipeline is empty, the pressure when concrete is poured, the grouting pressure and the like, as the project is larger and larger, the pipe diameter and the project amount of the pressure steel pipe are continuously increased, and in order to improve the external pressure resistance of the pressure steel pipe, stiffening rings are generally welded outside the steel pipe, and the stiffening rings are widely applied, so that the effect of saving the project cost is more remarkable.

When the existing welding equipment is used for welding a stiffening ring, a submerged-arc welding mode is usually adopted, firstly, submerged-arc welding can only carry out fillet weld welding, cannot carry out submerged-arc welding on two sides of the stiffening ring at the same time, and meanwhile, the requirements on technical workers of welding operation are high, automatic welding cannot be realized, the welding efficiency is low, secondly, because a submerged-arc welding machine can only carry out fillet welding, the stations of a steel pipe and the stiffening ring are required to be adjusted to the position suitable for carrying out included angle welding during operation, the operation is time-consuming, the applicability is poor, and the welding efficiency is low.

The Chinese utility model discloses a to above-mentioned problem is: CN211966280U discloses a can realize stiffening ring automated welding's device, this patent drives the steel pipe through the roll frame and rotates, make stiffening ring and the gas shield welding rifle of its both sides form relative motion, the guide box can trail the welding seam orbit automatically simultaneously, thereby realize automated welding, reduce the requirement of operative employee technical merit, the welding head through gas shield welding rifle welds the welding seam of stiffening ring both sides simultaneously, realize two-sided welding seam one shot forming, welding efficiency is improved, personnel's use is reduced.

However, the existing welding device has the following defects that (1) the existing method for fixing the metal tube mostly adopts a supporting mode, the supporting stability of the method for the metal tube is insufficient, and the metal tube is easy to slide during the rotary welding; (2) Stiffening ring and tubular metal resonator are welding the production and are welding the cigarette, and prior art is to welding the cigarette and getting into water through setting up external exhaust fan and remove the cigarette during processing, and these weld the cigarette and directly discharge pollution ring edge border environment untreated, lack the butt welding cigarette and handle the collection treatment measure.

Disclosure of Invention

The invention aims to provide an automatic welding device for a stiffening ring, which aims to solve the technical problems that the prior stiffening ring and the outer wall of a metal pipe are likely to rust and adhere to dust, the strength after welding is seriously influenced by excessive rust and dust, and the prior welding device is lack of treatment measures for the outer wall of the metal pipe and the stiffening ring.

The invention provides an automatic stiffening ring welding device which comprises a mounting frame and a metal pipe, wherein a bottom plate is fixedly installed on the outer wall of the bottom of the mounting frame, a side groove is formed in the outer wall of one side of the mounting frame, a welding part is inserted into the inner wall of the side groove, a bearing hole is formed in the outer wall of one side of the mounting frame, the inner wall of the bearing hole is rotatably connected with a rotating shaft, a driving mechanism is arranged at one end of the rotating shaft, the outer wall of the rotating shaft is connected with a first hexagonal block through a bearing, the outer wall of the first hexagonal block is connected with a support rod through a movable shaft, a mounting groove is formed in the outer wall of the mounting groove, an adjusting threaded groove is formed in the outer wall of the rotating shaft, a second hexagonal block is connected with the outer wall of the second hexagonal block through a movable shaft, a stiffening ring is sleeved on the outer wall of the metal pipe, a supporting mechanism is arranged at the bottom of the metal pipe, a clamping mechanism is arranged on one side of the mounting frame, a cylindrical groove is formed in the outer wall of the cylindrical groove, a driving motor is fixedly installed on the inner wall of the air box, and a fan blade is connected with a smoke exhaust fan blade mechanism.

Further, the outer wall of vaulting pole rotates and is connected with the tray, magnet is installed to the inner wall of tray, the outer wall fixed mounting of tray has the cambered plate, the concave surface of cambered plate is outwards, and the concave surface of cambered plate is provided with the bump of rubber material.

Further, actuating mechanism includes pinion and gear wheel, gear wheel fixed mounting is in the one end of pivot, pinion fixed mounting is in driving motor's output shaft top, pinion and gear wheel meshing.

Further, the bearing mechanism is including offering the horizontal spout in the outer wall of installing frame top, the quantity of horizontal spout is provided with two, singly the inner wall of horizontal spout all slides and pegs graft and has two roller framves, two the top of roller frame is rotated and is connected with the bearing roller.

Further, the inner wall of horizontal spout rotates and is connected with the horizontal adjustment pole, the both ends of horizontal adjustment pole are provided with opposite direction's screw thread, the outer wall and the roller frame of horizontal adjustment pole pass through threaded connection, and the outer wall of horizontal adjustment pole is connected with turbine one through flat key, one side outer wall of mounting bracket rotates and is connected with the control lever, the one end of control lever is fixed with the control panel, the outer wall of control lever is provided with worm one, worm one meshes with turbine one.

Further, fixture is including rotating the vertical regulation pole of connecting in mount frame top outer wall, the both ends of vertical regulation pole are provided with opposite direction's screw thread, vertical spout has been seted up to one side outer wall of mount frame, the inner wall of vertical spout slides and pegs graft and has the balladeur train, the regulation hole has been seted up to the outer wall of balladeur train, vertical regulation pole passes through threaded connection with the inner wall of regulation hole, the one end of balladeur train is fixed with the installation piece, the bottom fixed mounting of installation piece has the fixed plate, the outer wall of control lever is provided with worm two, the outer wall bottom of vertical regulation pole is connected with turbine two through the parallel key, worm two meshes with turbine two.

Furthermore, the outer wall of the first hexagonal block is provided with a limiting hole, the outer wall of one side of the mounting frame is provided with a jack with the same size as the limiting hole, and the inner walls of the jack and the limiting hole are spliced with a guide rod.

Further, the mechanism of discharging fume includes the rose box, the exhaust tube has been cup jointed to the one end of rose box, the box of bleeding is installed to the one end of exhaust tube, the opposite side outer wall of rose box passes through the connecting pipe with bellows and cup joints and is connected, the inner wall fixed mounting of rose box has filtration sponge and filter.

Compared with the prior art, the invention has the beneficial effects that:

(1) The air exhaust box is aligned to the welding position, welding smoke generated in welding can be collected, the welding smoke flows into the inner wall of the filter box, the filter plate can filter impurities with large particles, the filter sponge collects smoke, the stepped filter sponge increases the contact area with the smoke, and the smoke filtering effect is improved.

(2) According to the invention, the guide rod penetrates through the jack and is inserted into the inner wall of the limiting hole, so that the first hexagonal block is fixed, the driving motor is started to drive the pinion to rotate, and further the meshed gearwheel rotates, so that the second hexagonal block is driven to move towards the direction close to the first hexagonal block along the adjusting thread groove through the rotation of the rotating shaft, the support rod is supported by the inclined rod, meanwhile, the inner wall of the support block is provided with the magnet, so that the support block always faces towards the inner wall of the metal pipe, finally, the arc panel is contacted and abutted against the inner wall of the metal pipe, the metal pipe is supported, the concave surface of the arranged arc panel faces outwards, so that the metal pipe can be slightly deformed when being contacted with the inner wall of the metal pipe, the outward tension on the metal pipe is increased, the metal pipe is reliably clamped, meanwhile, the convex points arranged on the outer wall of the arc panel increase the friction force with the inner wall of the metal pipe, the stability when the metal pipe is supported is improved, and the fixing reliability of the internal expansion fixing mode is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a first perspective of the present invention;

FIG. 2 is a perspective view of the securing mechanism of the present invention;

FIG. 3 is a perspective view of a second aspect of the present invention;

FIG. 4 is a perspective view of the present invention in an idle state;

FIG. 5 is a perspective view of a portion of the mounting bracket of the present invention;

fig. 6 is a schematic sectional view of a part of a filter box according to the present invention.

Reference numerals are as follows:

1. a mounting frame; 2. a rotating shaft; 20. a diagonal bar; 21. adjusting the thread groove; 22. a first hexagonal block; 23. a guide bar; 24. a stay bar; 25. a support block; 26. a cambered plate; 27. a second hexagonal block; 28. a bull gear; 29. salient points; 3. a metal tube; 4. an air inlet pipe; 5. welding the parts; 6. a stiffening ring; 7. a fixing plate; 71. a vertical chute; 72. a carriage; 73. a vertical adjusting rod; 74. a second turbine; 75. a second worm; 8. a control panel; 81. a control lever; 82. a first turbine; 83. a transverse adjusting rod; 84. a first worm; 85. a transverse chute; 86. a roller frame; 87. a carrier roller; 9. driving the fan blades; 91. an air box; 10. a base plate; 11. a drive motor; 12. mounting a block; 13. a pinion gear; 14. a filter box; 141. an air exhaust pipe; 142. filtering the sponge; 143. a filter plate; 144. and (7) an air pumping box.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, an embodiment of the invention provides an automatic stiffening ring welding device, which comprises a mounting frame 1 and a metal pipe 3, wherein a bottom plate 10 is fixedly installed on the outer wall of the bottom of the mounting frame 1, a side groove is formed in the outer wall of one side of the mounting frame 1, a welding part 5 is inserted into the inner wall of the side groove, a bearing hole is formed in the outer wall of one side of the mounting frame 1, a rotating shaft 2 is rotatably connected to the inner wall of the bearing hole, a driving mechanism is arranged at one end of the rotating shaft 2, the outer wall of the rotating shaft 2 is connected with a first hexagonal block 22 through a bearing, the outer wall of the first hexagonal block 22 is connected with a support rod 24 through a movable shaft, an installation groove is formed in the outer wall of the support rod 24, an inclined rod 20 is connected to the inner wall of the installation groove through the movable shaft, and an adjusting threaded groove 21 is formed in the outer wall of the rotating shaft 2, the outer wall of adjusting thread groove 21 has hexagonal piece two 27 through threaded connection, the outer wall of hexagonal piece two 27 passes through the swing joint with the one end of down tube 20, stiffening ring 6 has been cup jointed to the outer wall of tubular metal resonator 3, the bottom of tubular metal resonator 3 is provided with bearing mechanism, one side of mounting bracket 1 is provided with fixture, and one side outer wall of mounting bracket 1 has seted up the cylinder groove, the inner wall fixed mounting in cylinder groove has driving motor 11, driving motor 11's output shaft outer wall is connected with driving fan blade 9 through the parallel key, one side outer wall fixed mounting of mounting bracket 1 has bellows 91, one side outer wall of bellows 91 has cup jointed intake pipe 4, driving fan blade 9 and driving motor 11 set up in the inner wall of bellows 91, one side of bellows 91 is connected with the mechanism of discharging fume.

Specifically, the outer wall of vaulting pole 24 rotates and is connected with tray 25, magnet is installed to the inner wall of tray 25, the outer wall fixed mounting of tray 25 has cambered plate 26, the concave surface of cambered plate 26 is outwards, and the concave surface of cambered plate 26 is provided with the bump 29 of rubber material, can take place small deformation when the concave surface of the cambered plate 26 of setting outwards makes and contact with the inner wall of tubular metal resonator 3, increase the tension outwards to tubular metal resonator 3, make tubular metal resonator 3 pressed from both sides tightly reliably, simultaneously at the bump 29 increase of cambered plate 26 outer wall setting and the frictional force of 3 inner walls of tubular metal resonator, promote the stability when supporting tubular metal resonator 3.

Specifically, the driving mechanism comprises a small gear 13 and a large gear 28, the large gear 28 is fixedly arranged at one end of the rotating shaft 2, the small gear 13 is fixedly arranged at the top end of an output shaft of the driving motor 11, the small gear 13 is meshed with the large gear 28, and the small gear 13 and the large gear 28 can be driven to rotate at a low speed on the metal pipe 3 to produce a deceleration effect.

Specifically, bearing mechanism is including offering the horizontal chute 85 in 1 top outer wall of mounting bracket, the quantity of horizontal chute 85 is provided with two, the inner wall of single horizontal chute 85 all slides and pegs graft and has two roller frame 86, the top of two roller frame 86 is rotated and is connected with bearing roller 87, preliminary centre gripping back, forward rotation control panel 8 drives the control lever 81 and rotates, the meshing through a worm 84 and a turbine 82 drives horizontal adjusting rod 83 and rotates, thereby the roller frame 86 that makes drive bearing roller 87 inward shifting, finally make the outer wall contact of bearing roller 87 and tubular metal resonator 3, the realization is to the bearing of tubular metal resonator 3.

Specifically, the inner wall of the transverse sliding groove 85 is rotatably connected with a transverse adjusting rod 83, two ends of the transverse adjusting rod 83 are provided with threads in opposite directions, the outer wall of the transverse adjusting rod 83 is in threaded connection with the roller frame 86, the outer wall of the transverse adjusting rod 83 is connected with a first worm gear 82 through a flat key, the outer wall of one side of the mounting frame 1 is rotatably connected with a control rod 81, one end of the control rod 81 is fixed with a control disc 8, the outer wall of the control rod 81 is provided with a first worm 84, and the first worm 84 is meshed with the first worm gear 82.

Specifically, the clamping mechanism comprises a vertical adjusting rod 73 which is rotatably connected to the outer wall of the top of the mounting rack 1, opposite threads are arranged at two ends of the vertical adjusting rod 73, a vertical sliding groove 71 is formed in the outer wall of one side of the mounting rack 1, a sliding frame 72 is inserted into the inner wall of the vertical sliding groove 71 in a sliding mode, an adjusting hole is formed in the outer wall of the sliding frame 72, the vertical adjusting rod 73 is connected with the inner wall of the adjusting hole through threads, a mounting block 12 is fixed to one end of the sliding frame 72, a fixing plate 7 is fixedly mounted at the bottom of the mounting block 12, a second worm 75 is arranged on the outer wall of the control rod 81, a second worm 74 is connected to the bottom of the outer wall of the vertical adjusting rod 73 through a flat key, the second worm 75 is meshed with the second worm wheel 74, the roller frame 86 and the carrier roller 87 are swung towards two sides through rotation of the control rod 81, the bearing on the metal pipe 3 is removed, the upper fixing plate 7 and the lower fixing plate 7 are driven to move downwards through meshing transmission of the second worm 75, so that the metal pipe 3 is clamped from the upper direction and the lower direction, the driving motor 11 is controlled to turn over, the metal pipe 27 is moved towards the direction far away from the first hexagonal block 22, the inner wall, the support of the metal pipe 3 is convenient to be detached, and the metal pipe 3.

Specifically, a limiting hole is formed in the outer wall of the first hexagonal block 22, a jack with the same size as the limiting hole is formed in the outer wall of one side of the mounting rack 1, a guide rod 23 is inserted into the inner wall of the limiting hole after penetrating the guide rod 23 through the jack, the first hexagonal block 22 is fixed, the driving motor 11 is started to drive the pinion 13 to rotate, and then the meshed gear wheel 28 is driven to rotate, so that the second hexagonal block 27 is driven to move towards the direction close to the first hexagonal block 22 along the adjusting thread groove 21 through rotation of the rotating shaft 2, the support rod 24 is supported by the inclined rod 20, meanwhile, the inner wall of the support block 25 is provided with a magnet, the support block 25 always faces towards the inner wall of the metal pipe 3, finally, the arc panel 26 is in contact with and tightly supported against the inner wall of the metal pipe 3, and the metal pipe 3 is supported.

Specifically, the mechanism of discharging fume includes rose box 14, exhaust tube 141 has been cup jointed to the one end of rose box 14, exhaust box 144 is installed to exhaust tube 141's one end, the opposite side outer wall of rose box 14 and bellows 91 pass through the connecting pipe cup joint and are connected, the inner wall fixed mounting of rose box 14 has filter sponge 142 and filter 143, the welding position is aimed at to the exhaust box 144 of setting, can collect the welding fume that produces when welding, the welding fume flows into the inner wall of rose box 14, filter 143 can filter the great impurity of granule, filter sponge 142 collects smog, and filter sponge 142 ladder shape sets up the area of contact of increase and smog, promote the filter effect to smog.

The specific working method comprises the following steps: when the device is used, the metal tube 3 is hoisted to the outer wall of the rotating shaft 2, the rotating shaft 2 is located at the circle center position of the metal tube 3, then the guide rod 23 penetrates through the jack and is inserted into the inner wall of the limiting hole, the first hexagonal block 22 is fixed, the driving motor 11 is started to drive the pinion 13 to rotate, and further the large gear 28 which is meshed with the pinion is driven to rotate, so that the second hexagonal block 27 is driven to move along the adjusting thread groove 21 towards the direction close to the first hexagonal block 22 through the rotation of the rotating shaft 2, the support rod 24 is supported by the inclined rod 20, meanwhile, the inner wall of the support block 25 is provided with the magnet, the support block 25 always faces the inner wall of the metal tube 3 in the front direction, finally, the arc panel 26 is contacted and tightly abutted against the inner wall of the metal tube 3, the support of the metal tube 3 is realized, then the hoisting control of the metal tube 3 is released, the concave surface of the arc panel 26 is arranged outwards, so that small deformation can be generated when the arc panel is contacted with the inner wall of the metal tube 3, increasing outward tension on the metal tube 3 to enable the metal tube 3 to be reliably clamped, simultaneously increasing friction force between the salient points 29 arranged on the outer wall of the cambered plate 26 and the inner wall of the metal tube 3, improving the stability when supporting the metal tube 3, suspending the driving motor 11 to pull out the guide rod 23 after the metal tube 3 is supported and fixed, after the guide rod 23 is pulled out, as the cambered plate 26 is abutted against the inner wall of the metal tube 3, the driving motor 11 inevitably drives the first hexagonal block 22 and the second hexagonal block 27 to rotate simultaneously when working, the situation that only the rotating shaft 2 rotates cannot occur, then restarting the driving motor 11, and at the moment, the metal tube 3 slowly rotates at a constant speed, after primary clamping is realized, the forward rotation 8 drives the control rod 81 to rotate, the transverse adjusting rod 83 is driven to rotate through the meshing of the first worm 84 and the first turbine 82, so that the roller frame 86 drives the control disc 87 to move inwards, finally, the carrier roller 87 is in contact with the outer wall of the metal tube 3, the metal tube 3 is supported, when the driving motor 11 is started, the fan blade 9 is driven to rotate, air is exhausted through the exhaust pipe 141, air flow is conveyed into the filter box 14 of the driving box through the air inlet pipe 4, the arranged exhaust box 144 is aligned to a welding position, welding smoke generated during welding can be collected, the welding smoke flows into the inner wall of the filter box 14, the filter plate 143 can filter impurities with large particles, the filter sponge 142 collects the smoke, the ladder-shaped arrangement of the filter sponge 142 increases the contact area with the smoke, the filtering effect on the smoke is improved, the polishing mechanism and the smoke exhausting mechanism of the whole device do not need to additionally increase a driving mechanism, the support on the metal tube 3 can be relieved only through one driving motor 11, the structural design is novel, finally, after welding is completed, the guide rod 23 is inserted into the limiting hole, then the control panel 8 is driven to rotate, the roller frame 86 and the carrier roller 87 are driven to shake towards two sides through the rotation of the control rod 81, the carrier roller frame 86 and the carrier roller 87 are lifted, the metal tube 3 is lifted from the inner wall of the metal tube 3, the metal tube 3 is conveniently removed from the inner wall of the metal tube 3, and the metal tube 27 is removed from the metal tube 3.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an automatic welding set of stiffening ring, includes mounting bracket (1) and tubular metal resonator (3), the bottom outer wall fixed mounting of mounting bracket (1) has bottom plate (10), its characterized in that: the outer wall of one side of the mounting frame (1) is provided with a side groove, the inner wall of the side groove is spliced with a welding part (5), the outer wall of one side of the mounting frame (1) is provided with a bearing hole, the inner wall of the bearing hole is rotatably connected with a rotating shaft (2), one end of the rotating shaft (2) is provided with a driving mechanism, the outer wall of the rotating shaft (2) is connected with a first hexagonal block (22) through a bearing, the outer wall of the first hexagonal block (22) is connected with a support rod (24) through a movable shaft, the outer wall of the support rod (24) is provided with a mounting groove, the inner wall of the mounting groove is connected with an inclined rod (20) through a movable shaft, the outer wall of the rotating shaft (2) is provided with an adjusting thread groove (21), the outer wall of the adjusting thread groove (21) is connected with a second hexagonal block (27) through a thread, the outer wall of the second hexagonal block (27) is connected with one end of the inclined rod (20) through a movable shaft, the outer wall of the metal pipe (3) is sleeved with a stiffening ring (6), the bottom of the metal pipe (3) is provided with a bearing mechanism, one side of the mounting frame (1) is provided with a fixing mechanism, one side of which is provided with a fixing motor driving key (11), and one side of the outer wall of the mounting frame (11), and one side of the mounting frame (11) is provided with a cylinder (11), and the driving motor (11), the outer wall of bellows (91) has cup jointed intake pipe (4), driving fan leaf (9) and driving motor (11) set up in the inner wall of bellows (91), one side of bellows (91) is connected with the mechanism of discharging fume, the outer wall of vaulting pole (24) rotates and is connected with tray (25), magnet is installed to the inner wall of tray (25), the outer wall fixed mounting of tray (25) has cambered plate (26), the concave surface of cambered plate (26) is outwards, and the concave surface of cambered plate (26) is provided with bump (29) of rubber material, driving mechanism includes pinion (13) and gear wheel (28), gear wheel (28) fixed mounting is in the one end of pivot (2), pinion (13) fixed mounting is on the output shaft top of driving motor (11), pinion (13) and gear wheel (28) meshing, bearing mechanism is including offering the horizontal spout (85) at mounting bracket (1) top outer wall, the quantity of horizontal spout (85) is provided with two, single the inner wall of horizontal spout (85) all pegs graft there are two roller frame (86), two the top of horizontal spout (86) is connected with the regulation pole (83), the horizontal spout (83) of roller frame (86) rotation, the horizontal spout (83) of adjustment pole (83) is connected with two, the opposite direction regulation pole (83), the outer wall of the transverse adjusting rod (83) is connected with the roller frame (86) through threads, and the outer wall of the transverse adjusting rod (83) is connected with a turbine I (82) through a flat key, the outer wall of one side of the mounting rack (1) is rotationally connected with a control rod (81), a control disc (8) is fixed at one end of the control rod (81), a first worm (84) is arranged on the outer wall of the control rod (81), the first worm (84) is meshed with the first worm wheel (82), the clamping mechanism comprises a vertical adjusting rod (73) which is rotatably connected to the outer wall of the top of the mounting frame (1), threads in opposite directions are arranged at two ends of the vertical adjusting rod (73), a vertical sliding groove (71) is arranged on the outer wall of one side of the mounting rack (1), the inner wall of the vertical sliding chute (71) is inserted with a sliding frame (72) in a sliding way, the outer wall of the sliding frame (72) is provided with an adjusting hole, the vertical adjusting rod (73) is connected with the inner wall of the adjusting hole through screw threads, one end of the sliding frame (72) is fixed with a mounting block (12), the bottom of the mounting block (12) is fixedly provided with a fixing plate (7), a second worm (75) is arranged on the outer wall of the control rod (81), the bottom of the outer wall of the vertical adjusting rod (73) is connected with a second worm wheel (74) through a flat key, and the second worm (75) is meshed with the second worm wheel (74).

2. An apparatus for automatically welding a stiffening ring according to claim 1, wherein: the outer wall of the first hexagonal block (22) is provided with a limiting hole, the outer wall of one side of the mounting rack (1) is provided with a jack with the same size as the limiting hole, and a guide rod (23) is inserted into the inner walls of the jack and the limiting hole.

3. A stiffening ring automated welding apparatus as set forth in claim 1, wherein: the mechanism of discharging fume includes rose box (14), exhaust tube (141) have been cup jointed to the one end of rose box (14), exhaust box (144) are installed to the one end of exhaust tube (141), the opposite side outer wall of rose box (14) is cup jointed through the connecting pipe with bellows (91) and is connected, the inner wall fixed mounting of rose box (14) has filtration sponge (142) and filter (143).