Pipeline and panel welding device and process for Tokamak bottom cold shield machining

Abstract

The invention discloses a pipeline and panel welding device and process for Tokamak bottom cold screen machining, and relates to the technical field of pipeline and panel welding, the pipeline and panel welding device comprises a workbench, a position adjusting locking piece is installed on the inner side of a first connecting ring, and an equidistant shifting piece is arranged at the bottom of an F-shaped positioning frame. By arranging the position adjusting locking piece, the first connecting ring swings relative to the sleeve by rotating the guide rotating connecting rod, and the first piston rod moves along the first sleeve by pushing or pulling the first connecting ring, so that the first connecting ring is moved to the position above the welding position; then the pipe fitting penetrates through a first connecting ring to be in contact with a panel on a positioning supporting plate, a second connecting ring is pulled to clamp and limit the pipe fitting on the inner side of the first connecting ring, and then a T-shaped inserting rod is pushed to enable an aqueous solution in a sleeve, a first sleeve and a second sleeve to lose a flowing space, so that the pipe fitting is limited; therefore, the application range of equipment is widened, and meanwhile the butt joint stability of the pipe fitting and the panel is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline and panel welding, in particular to a pipeline and panel welding device and a process thereof for processing a tokamak bottom cold shield. Background Art

[0002] The research on controlled hot nuclear magnetic confinement fusion is a research field of great significance in contemporary natural science research. Its goal is to create extremely high temperature conditions on Earth, equivalent to the temperature inside the sun, and use the abundant deuterium resources in seawater for nuclear fusion reactions, releasing huge fusion energy, and providing mankind with an "inexhaustible" new energy source. In recent years, many countries in the world have been actively researching superconducting magnetic confinement nuclear fusion experimental devices. Internationally, such devices are called superconducting tokamaks, and when processing tokamaks, the pipes and panels need to be welded.

[0003] In the process of welding pipelines, due to the different diameters of the pipe fittings and the fact that each specification of the pipeline is installed on panels of different specifications, it is rather cumbersome to weld different pipelines at corresponding positions of different panels. It is inconvenient to accurately position the pipelines of different specifications on the corresponding panels, which not only affects the welding effect, but also makes the operation cumbersome, affecting the welding efficiency between the pipeline and the panel. Summary of the invention

[0004] The purpose of the present invention is to provide a pipeline and panel welding device and process for processing a tokamak bottom cold shield in order to solve the problem that it is inconvenient to fix pipelines of different specifications at corresponding positions of a panel.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A pipeline and panel welding device for processing the cold shield at the bottom of a tokamak, comprising a workbench, a positioning support plate is installed on the top of the workbench by bolts, a sleeve located on one side of the positioning support plate is installed on the top of the workbench, the top of the sleeve is rotatably connected to a guide rotating connecting rod through a rotating shaft, a first sleeve is installed on one side of the guide rotating connecting rod, a first piston rod penetrating the guide rotating connecting rod is inserted into the interior of the first sleeve, a first link is installed at the end of the first piston rod away from the guide rotating connecting rod, a positioning locking piece is installed on the inner side of the first link, an F-type positioning frame is installed on the outer wall of the first link, an equidistant displacement piece is arranged at the bottom of the F-type positioning frame, the first link is connected to a welding gun located below the first link through the equidistant displacement piece, and a rotary welding unit is installed on the side of the F-type positioning frame away from the first link.

[0006] As a further solution of the present invention: the adjustment locking member includes two movable sleeve blocks movably sleeved on the guide rotating connecting rod, the two movable sleeve blocks are symmetrically arranged along the vertical center axis of the guide rotating connecting rod, the movable sleeve block is rotatably connected to the first piston rod on the side away from the first sleeve through a rotating shaft, a water storage bucket is installed on one side of the workbench, a connecting bin is installed on the top of the water storage bin, a blocking plug is slidably connected to the inside of the connecting bin, a T-shaped plug rod is arranged on the blocking plug and passes through the outside of the connecting bin, a hose connected to the first sleeve and a guide pipe connected to the sleeve are respectively arranged on the top of the connecting bin, and a threaded portion located on the inner side of the sleeve is arranged at the bottom of the guide rotating connecting rod. A rod, a threaded sleeve is sleeved on the threaded rod, a plug block that fits the inner wall of the sleeve is installed at the bottom of the threaded sleeve, a telescopic rod connected to the top of the inner wall of the sleeve is installed on the top of the plug block, a plurality of clamping plates that penetrate to the outside of the first link are inserted into the inner side of the first link, and the plurality of clamping plates are equidistantly distributed along the center of the first link, a pressing pin is installed on the inner side of the clamping plate, an oblique guide rail is sleeved on the pressing pin, a second link located above the first link is installed on the top of the oblique guide rail, a second piston rod is arranged on the side of the second link close to the first piston rod, a second sleeve connected to the first piston rod is sleeved on the outer side of the second piston rod, and a guide groove is opened on the inner side of the second sleeve.

[0007] As a further solution of the present invention: the diameter of the pressing pin is equal to the inner wall width of the oblique guide rail, and the inclination angle of the oblique guide rail relative to the top of the workbench is forty-five degrees.

[0008] As a further solution of the present invention: the center of the second chain ring is coaxial with the center of the first chain ring, and the inner wall diameters of the second chain ring and the first chain ring are equal.

[0009] As a further solution of the present invention: the equidistant shifting member includes an annular bin installed at the bottom of the F-type positioning frame, a pressure rod is installed on the side of the oblique guide rail away from the second link, and an annular pressure plate located on the inner side of the annular bin is installed at the bottom of the pressure rod. The bottom of the annular pressure plate is rotatably connected to an annular transition bin, and the bottom of the annular transition bin is connected to a third sleeve. The interior of the third sleeve is plugged with a third piston rod extending to the outside of the third sleeve, and one end of the third piston rod is installed with a movable frame slidably connected to the outer wall of the third sleeve, and the welding gun is installed at the bottom of the movable frame.

[0010] As a further solution of the present invention: the internal space of the annular bin is equal in size to the internal space of the third sleeve, and the maximum moving distance of the third piston rod is equal to the maximum moving distance of the clamping plate.

[0011] As a further solution of the present invention: the annular bin, the annular transition bin and the second chain circle are coaxial, and a rotating sealing ring is provided at the bottom contact position between the annular transition bin and the annular bin.

[0012] As a further solution of the present invention: the rotary welding unit includes a mounting base installed on the side of the F-shaped positioning frame away from the first link, a motor is installed on the top of the mounting base, the output end of the motor is connected to a transmission gear plate located below the mounting base, a straight gear ring meshing with the transmission gear plate is arranged on the top of the third sleeve, a protective bin located outside the T-shaped plug rod is installed on the outer wall of the connecting bin, a first contact piece is installed on the inner wall of the protective bin, and a second contact piece located inside the protective bin is arranged on the outer side of the T-shaped plug rod.

[0013] As a further solution of the present invention: the first contact piece is electrically connected to the motor and the welding gun through a wire, and the second contact piece is electrically connected to an external power supply through a wire.

[0014] The present invention also discloses a pipeline and panel welding process for processing a Tokamak bottom cold shield, using the above-mentioned pipeline and panel welding device for processing a Tokamak bottom cold shield, comprising the following steps:

[0015] S1: First, place the panel on the top of the positioning support plate, and then move the first link to the top of the welding point between the pipe fitting and the panel by operating the positioning locking member;

[0016] S2: insert the pipe to be welded into the first link so that the bottom of the pipe contacts the panel on the positioning support plate;

[0017] S3: Position the pipe fitting by operating the position-adjusting locking member so that the center of the first link is coaxial with the center of the pipe fitting, and the positioning support plate is stably connected to the first link. In the process of operating the position-adjusting locking member to fix the pipe fitting, the equidistant shifting member operates synchronously to adjust the position of the welding gun so that the position of the welding gun is always equal to the connection between the pipe fitting and the panel.

[0018] S4: The welding torch is rotated along the center of the pipe for welding by means of a rotating welding unit;

[0019] S5: After the pipe fittings and the panel are welded, the positioning locking member is operated to release the pipe fittings from the limit position, and then the positioning support plate is disassembled, and then the positioning support plate together with the welded pipe fittings and the panel are removed.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By setting a position adjustment locking piece, the first link is swung relative to the sleeve by rotating the guide connecting rod, and the first link is moved along the first sleeve by pushing or pulling the first link, so as to move the first link to the top of the welding point, and then the pipe is passed through the first link, and the bottom end of the pipe is contacted with the panel on the positioning support plate, and then the second link is pulled upward to clamp and limit the pipe inside the first link, and then the T-shaped plug rod is pushed to make the water solution inside the sleeve, the first sleeve, and the second sleeve lose the flow space, so as to limit the pipe, thereby improving the application range of the equipment, and also improving the stability of the pipe and the panel docking;

[0022] 2. By setting an equidistant displacement piece, when the pressure rod moves upward along with the oblique guide rail, the aqueous solution inside the third sleeve will enter the annular chamber under the action of negative pressure, and the third piston rod will move toward the third sleeve, so that the third piston rod drives the welding gun to move toward the center of the first chain through the movable frame. Since the second chain and the clamping plate move at the same distance, the pressure rod and the clamping plate move at the same distance, so that the third piston rod and the clamping plate move at the same distance, so that the distance between the welding gun and the bottom edge of pipes of different diameters remains unchanged, so as to prevent the welding gun from being too close or too far from the connection between the pipe and the panel, which affects the welding effect;

[0023] 3. By setting a rotary welding unit, when the T-shaped plug is pushed to make the stop plug seal the bottom of the hose and the guide tube, the second contact piece will move toward the first contact piece as the T-shaped plug moves, so that the second contact piece contacts the first contact piece. At this time, the motor and the welding gun are powered on and operated. When the motor is operating, it will drive the spur gear ring to rotate through the transmission gear plate, so that the third sleeve can rotate synchronously with the spur gear ring, so that the welding gun can weld along the edge of the bottom of the pipe fitting, so as to ensure the uniformity of the weld and make the weld beautiful. At the same time, it improves the stability of the connection between each position of the bottom of the pipe fitting and the panel, and realizes the orderly operation of pipe fixing and welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a schematic diagram of the connection between the guide rotating connecting rod and the first connecting link of the present invention;

[0026] Figure 3 It is a schematic diagram of the connection between the first sleeve and the water storage barrel of the present invention;

[0027] Figure 4 It is a schematic diagram of the internal structure of the sleeve and the first piston rod of the present invention;

[0028] Figure 5It is a schematic diagram of the connection between the second link and the annular bin of the present invention;

[0029] Figure 6 It is a schematic diagram of the internal structure of the annular bin and the third sleeve of the present invention;

[0030] Figure 7 It is a schematic diagram of the connection between the third sleeve and the motor of the present invention;

[0031] Figure 8 It is a schematic diagram of the internal structure of the connecting chamber and the protection chamber of the present invention.

[0032] In the figure: 1, workbench; 2, sleeve; 3, guide connecting rod; 4, first link; 501, first sleeve; 502, movable sleeve block; 503, first piston rod; 504, oblique connecting rod; 505, hose; 506, connecting bin; 507, water storage bucket; 508, guide pipe; 509, second link; 510, second sleeve; 511, second piston rod; 512, clamping plate; 513, oblique guide rail; 514, telescopic rod; 515, plug block; 516, threaded sleeve; 517, threaded rod; 51 8. Guide groove; 519. Pressure pin; 520. T-shaped plug; 521. Stop plug; 601. Annular bin; 602. F-shaped positioning frame; 603. Annular pressure plate; 604. Pressure rod; 605. Annular transition bin; 606. Movable frame; 607. Third sleeve; 608. Third piston rod; 609. Welding gun; 701. Motor; 702. Mounting seat; 703. Transmission gear plate; 704. Straight gear ring; 705. First contact piece; 706. Second contact piece; 707. Protective bin; 8. Positioning support plate. DETAILED DESCRIPTION

[0033] 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.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0035] See also Figures 1 to 8 In an embodiment of the present invention, a pipeline and panel welding device for processing a cold shield at the bottom of a tokamak includes a workbench 1, a positioning support plate 8 is installed on the top of the workbench 1 through bolts, a sleeve 2 located on one side of the positioning support plate 8 is installed on the top of the workbench 1, a guide rotating connecting rod 3 is rotatably connected to the top of the sleeve 2 through a rotating shaft, a first sleeve 501 is installed on one side of the guide rotating connecting rod 3, a first piston rod 503 penetrating the guide rotating connecting rod 3 is inserted into the interior of the first sleeve 501, a first link 4 is installed at one end of the first piston rod 503 away from the guide rotating connecting rod 3, a positioning locking member is installed on the inner side of the first link 4, an F-type positioning frame 602 is installed on the outer wall of the first link 4, an equidistant displacement member is arranged at the bottom of the F-type positioning frame 602, the first link 4 is connected to a welding gun 609 located below the first link 4 through the equidistant displacement member, and a rotary welding unit is installed on the side of the F-type positioning frame 602 away from the first link 4.

[0036] In this embodiment: first place the panel on top of the positioning support plate 8, then operate the positioning locking piece to move the first link 4 to the top of the welding point between the pipe fitting and the panel, then insert the pipe fitting to be welded into the first link 4, so that the bottom of the pipe fitting contacts the panel on the positioning support plate 8, then operate the positioning locking piece to position the pipe fitting, so that the center of the first link 4 is coaxial with the center of the pipe fitting, and at the same time, the positioning support plate 8 is stably connected to the first link 4, and in the process of operating the positioning locking piece to fix the pipe fitting, the equidistant shifting piece operates synchronously to adjust the position of the welding gun 609, so that the position of the welding gun 609 is always equal to the connection point between the pipe fitting and the panel, and then the welding gun 609 is rotated along the center of the pipe fitting for welding by the rotating welding unit, and after the welding of the pipe fitting and the panel is completed, the positioning locking piece is operated to make the pipe fitting lose the limit, and then the positioning support plate 8 is disassembled, and then the positioning support plate 8 is removed together with the welded pipe fitting and panel.

[0037] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 The positioning locking member includes two movable sleeve blocks 502 movably sleeved on the guide rotating connecting rod 3, and the two movable sleeve blocks 502 are symmetrically arranged along the vertical central axis of the guide rotating connecting rod 3. The movable sleeve block 502 is rotatably connected to the first piston rod 503 on one side of the first sleeve 501 through a rotating shaft. A water storage bucket 507 is installed on one side of the workbench 1, and a connecting bin 506 is installed on the top of the water storage bucket 507. The connecting bin 506 is internally slidably connected with a blocking plug 521, and the blocking plug 521 is provided with a T-shaped plug rod 520 that penetrates to the outside of the connecting bin 506. The top of the connecting bin 506 is respectively provided with a hose 505 connected to the first sleeve 501 and a guide pipe 508 connected to the sleeve 2. The bottom of the guide rotating connecting rod 3 is provided with a threaded rod 517 located on the inner side of the sleeve 2, and the threaded rod 517 is sleeved A threaded sleeve 516 is connected, a plug block 515 that fits the inner wall of the sleeve 2 is installed at the bottom of the threaded sleeve 516, a telescopic rod 514 connected to the top of the inner wall of the sleeve 2 is installed on the top of the plug block 515, a plurality of clamping plates 512 that penetrate to the outside of the first link 4 are inserted into the inner side of the first link 4, and the plurality of clamping plates 512 are distributed at equal distances along the center of the first link 4, a pressing pin 519 is installed on the inner side of the clamping plate 512, an oblique guide rail 513 is sleeved on the pressing pin 519, a second link 509 located above the first link 4 is installed on the top of the oblique guide rail 513, a second piston rod 511 is provided on the side of the second link 509 close to the first piston rod 503, a second sleeve 510 connected to the first piston rod 503 is sleeved on the outer side of the second piston rod 511, and a guide groove 518 is opened on the inner side of the second sleeve 510.

[0038] In this embodiment: the first link 4 is swung relative to the sleeve 2 by rotating the guide rotating link 3, so as to adjust the X-axis position of the first link 4 relative to the positioning support plate 8. In this process, the threaded rod 517 will rotate synchronously with the guide rotating link 3, and the plug 515 of the threaded sleeve 516 is moved by the rotation of the threaded rod 517, so that the aqueous solution in the sleeve 2 is squeezed by the plug 515, and at the same time, the first piston rod 503 is moved along the first sleeve 501 by pushing or pulling the first link 4, so that the aqueous solution inside the second sleeve 510 enters the water storage barrel 507 through the hose 505 and the connecting chamber 506, or the aqueous solution inside the water storage barrel 507 enters the first sleeve 501, so that the first link 4 can be adjusted in the Y-axis direction of the positioning support plate 8, so as to move the first link 4 to the top of the welding point, and then the pipe fitting is passed through the first link 4 and the pipe fitting is The bottom end of the component contacts the panel on the positioning support plate 8, and then the second link 509 is pulled upward. At this time, the second link 509 squeezes the aqueous solution inside the second sleeve 510 through the second piston rod 511, so that the aqueous solution inside the first sleeve 501 enters the second sleeve 510 through the guide groove 518. During the upward movement of the second link 509, the oblique guide rail 513 will squeeze the pressure pin 519, so that the clamping plate 512 moves toward the center of the first link 4, thereby clamping and limiting the pipe fittings on the inner side of the first link 4, and then pushing the T-shaped plug 520 to move the blocking plug 521 to the bottom of the hose 505 and the guide tube 508, so that the aqueous solution inside the sleeve 2, the first sleeve 501, and the second sleeve 510 loses flow space, thereby realizing the limitation of the pipe fittings, thereby improving the application range of the equipment, and also improving the stability of the connection between the pipe fittings and the panel.

[0039] Please refer to Figure 4 The diameter of the pressing pin 519 is equal to the inner wall width of the oblique guide rail 513, and the inclination angle of the oblique guide rail 513 relative to the top of the workbench 1 is forty-five degrees.

[0040] In this embodiment: by setting this structure, the second link 509 and the clamping plate 512 can move synchronously, and at the same time, the moving distances of the second link 509 and the clamping plate 512 are always equal.

[0041] Please refer to Figure 3 , Figure 4 The center of the second link 509 is coaxial with the center of the first link 4, and the inner wall diameters of the second link 509 and the first link 4 are equal.

[0042] In this embodiment: this structure is provided to prevent the pipe from rubbing and colliding with the second link 509 when the pipe is inserted into the first link 4.

[0043] Please refer to Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7 The equidistant shifting member includes an annular bin 601 installed at the bottom of an F-type positioning frame 602, a pressure rod 604 is installed on the side of the oblique guide rail 513 away from the second link 509, an annular pressure plate 603 located on the inner side of the annular bin 601 is installed at the bottom of the pressure rod 604, an annular pressure plate 603 is rotatably connected to the bottom of the annular pressure plate 603, a third sleeve 607 is connected to the bottom of the annular transition bin 605, a third piston rod 608 extending to the outside of the third sleeve 607 is inserted into the interior of the third sleeve 607, a movable frame 606 slidably connected to the outer wall of the third sleeve 607 is installed at one end of the third piston rod 608, and a welding gun 609 is installed at the bottom of the movable frame 606.

[0044] In this embodiment: when the pressure rod 604 moves upward along with the oblique guide rail 513, the aqueous solution inside the third sleeve 607 will enter the annular chamber 601 under the action of negative pressure, and the third piston rod 608 will move toward the third sleeve 607, so that the third piston rod 608 drives the welding gun 609 to move toward the center of the first link 4 through the movable frame 606. Since the second link 509 and the clamping plate 512 move the same distance, the pressure rod 604 and the clamping plate 512 move the same distance, so that the third piston rod 608 and the clamping plate 512 move the same distance, so that the distance between the welding gun 609 and the bottom edge of pipe fittings of different diameters remains unchanged, thereby preventing the welding gun 609 from being too close or too far from the connection between the pipe fitting and the panel, thereby affecting the welding effect.

[0045] Please refer to Figure 4 , Figure 5 , Figure 6 The internal space of the annular bin 601 is equal in size to the internal space of the third sleeve 607 , and the maximum moving distance of the third piston rod 608 is equal to the maximum moving distance of the clamping plate 512 .

[0046] In this embodiment: by providing this structure, when the clamping plate 512 moves, the third piston rod 608 and the clamping plate 512 move synchronously and in the same direction.

[0047] Please refer to Figure 5 , Figure 6 The centers of the annular bin 601 , the annular transition bin 605 , and the second link 509 are coaxial, and a rotating sealing ring is provided at the bottom contact position between the annular transition bin 605 and the annular bin 601 .

[0048] In this embodiment: by providing this structure, the sealing performance of the connection between the annular transition chamber 605 and the annular chamber 601 is increased to prevent the aqueous solution inside the annular chamber 601 from flowing out through the connection between the annular transition chamber 605 and the annular chamber 601 .

[0049] Please refer to Figure 1 , Figure 5 , Figure 7 , Figure 8 The rotary welding unit includes a mounting base 702 installed on the side of the F-type positioning frame 602 away from the first link 4, a motor 701 is installed on the top of the mounting base 702, and the output end of the motor 701 is connected to a transmission gear plate 703 located below the mounting base 702. A straight tooth ring 704 meshing with the transmission gear plate 703 is arranged on the top of the third sleeve 607. A protective bin 707 located on the outside of the T-shaped plug rod 520 is installed on the outer wall of the connecting bin 506, a first contact piece 705 is installed on the inner wall of the protective bin 707, and a second contact piece 706 located on the inner side of the protective bin 707 is arranged on the outer side of the T-shaped plug rod 520.

[0050] In this embodiment: when the T-shaped plug 520 is pushed so that the blocking plug 521 blocks the bottom of the hose 505 and the guide tube 508, the second contact piece 706 will move toward the first contact piece 705 as the T-shaped plug 520 moves, so that the second contact piece 706 contacts the first contact piece 705. At this time, the motor 701 and the welding gun 609 are powered on and operated. When the motor 701 is in operation, it will drive the spur gear ring 704 to rotate through the transmission gear plate 703, so that the third sleeve 607 rotates synchronously with the spur gear ring 704, so that the welding gun 609 can weld along the edge of the bottom of the pipe, so as to ensure the uniformity of the weld, make the weld beautiful, and at the same time improve the stability of the connection between each position of the bottom of the pipe and the panel.

[0051] Please refer to Figure 7 , Figure 8 The first contact piece 705 is electrically connected to the motor 701 and the welding gun 609 through a wire, and the second contact piece 706 is electrically connected to an external power source through a wire.

[0052] In this embodiment, this structure is provided to achieve synchronization of the operation of the welding gun 609 and the motor 701, while ensuring uniformity of connection between each position of the bottom of the pipe and the panel.

[0053] In combination with the above-mentioned pipe and panel welding device for processing the bottom cold shield of a tokamak, a pipe and panel welding process for processing the bottom cold shield of a tokamak is provided below, which specifically includes the following steps:

[0054] S1: First, place the panel on the top of the positioning support plate 8, and rotate the guide connecting rod 3 to make the first link 4 swing relative to the sleeve 2, so as to adjust the X-axis position of the first link 4 relative to the positioning support plate 8. In this process, the threaded rod 517 will rotate synchronously with the guide connecting rod 3, and the plug 515 of the threaded sleeve 516 will be moved by the rotation of the threaded rod 517, so that the aqueous solution in the sleeve 2 is squeezed by the plug 515, and at the same time, the first piston rod 503 is moved along the first sleeve 501 by pushing or pulling the first link 4, so that the aqueous solution inside the second sleeve 510 enters the water storage barrel 507 through the hose 505 and the connecting chamber 506, or the aqueous solution inside the water storage barrel 507 enters the first sleeve 501, so that the first link 4 can be adjusted in the Y-axis direction of the positioning support plate 8, so as to move the first link 4 to the top of the welding point;

[0055] S2: Then, the pipe is passed through the first link 4, and the bottom end of the pipe is brought into contact with the panel on the positioning support plate 8;

[0056] S3: Then pull the second link 509 upwards. At this time, the second link 509 squeezes the aqueous solution inside the second sleeve 510 through the second piston rod 511, so that the aqueous solution inside the first sleeve 501 enters the second sleeve 510 through the guide groove 518. During the upward movement of the second link 509, the oblique guide rail 513 will squeeze the pressure pin 519, so that the clamping plate 512 moves toward the center of the first link 4, thereby clamping and limiting the pipe fittings on the inner side of the first link 4, and then pushing the T-shaped plug 520 to move the blocking plug 521 to the bottom of the hose 505 and the guide tube 508, so that the aqueous solution inside the sleeve 2, the first sleeve 501, and the second sleeve 510 loses flow space, thereby limiting the pipe fittings, thereby improving the scope of application of the equipment. At the same time, the stability of the connection between the pipe fitting and the panel is also improved. When the pressure rod 604 moves upward along with the oblique guide rail 513, the aqueous solution inside the third sleeve 607 will enter the annular chamber 601 under the action of negative pressure, and the third piston rod 608 will move toward the third sleeve 607 at this time, so that the third piston rod 608 drives the welding gun 609 to move toward the center of the first link 4 through the movable frame 606. Since the second link 509 and the clamping plate 512 move the same distance, the pressure rod 604 and the clamping plate 512 move the same distance, so that the third piston rod 608 and the clamping plate 512 move the same distance, so that the distance between the welding gun 609 and the bottom edge of pipe fittings of different diameters remains unchanged, so as to prevent the welding gun 609 from being too close or too far from the connection between the pipe fitting and the panel and affecting the welding effect;

[0057] S4: When the T-shaped plug 520 is pushed so that the stop plug 521 blocks the bottom of the hose 505 and the guide tube 508, the second contact piece 706 moves toward the first contact piece 705 along with the movement of the T-shaped plug 520, so that the second contact piece 706 contacts the first contact piece 705. At this time, the motor 701 and the welding gun 609 are powered on and operated. When the motor 701 is in operation, it drives the spur gear ring 704 to rotate through the transmission gear plate 703, so that the third sleeve 607 rotates synchronously with the spur gear ring 704, so that the welding gun 609 can weld along the edge of the bottom of the pipe, so as to ensure the uniformity of the weld, make the weld beautiful, and at the same time improve the stability of the connection between each position of the bottom of the pipe and the panel;

[0058] S5: After the pipe fittings and the panel are welded, the positioning locking member is operated to release the pipe fittings from the limit position, and then the positioning support plate 8 is disassembled, and then the positioning support plate 8 is removed together with the welded pipe fittings and the panel.

[0059] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pipe and panel welding device for processing a Tokamak bottom cold shield, comprising a workbench (1), characterized in that: A positioning support plate (8) is installed on the top of the workbench (1) by means of bolts. A sleeve (2) located on one side of the positioning support plate (8) is installed on the top of the workbench (1). The top of the sleeve (2) is rotatably connected to a guide rotating connecting rod (3) via a rotating shaft. A first sleeve (501) is installed on one side of the guide rotating connecting rod (3). A first piston rod (503) penetrating the guide rotating connecting rod (3) is inserted into the interior of the first sleeve (501). The first piston rod (503) is away from the guide rotating connecting rod (3). A first link (4) is installed at one end of the guide rotating link (3), a positioning locking piece is installed on the inner side of the first link (4), an F-type positioning frame (602) is installed on the outer wall of the first link (4), an equidistant displacement piece is arranged at the bottom of the F-type positioning frame (602), the first link (4) is connected to a welding gun (609) located below the first link (4) via the equidistant displacement piece, and a rotary welding unit is installed on the side of the F-type positioning frame (602) away from the first link (4).

2. A pipeline and panel welding device for processing a Tokamak bottom cold shield according to claim 1, characterized in that: The positioning locking member comprises two movable sleeve blocks (502) movably sleeved on the guide rotating connecting rod (3), the two movable sleeve blocks (502) are symmetrically arranged along the vertical center axis of the guide rotating connecting rod (3), and the side of the movable sleeve block (502) away from the first sleeve (501) is rotatably connected to an oblique connecting rod (504) connected to the first piston rod (503) through a rotating shaft. A water storage bucket (507) is installed on one side of the workbench (1), and a connecting bin (506) is installed on the top of the water storage bucket (507). ), the connection chamber (506) is internally slidably connected with a blocking plug (521), the blocking plug (521) is provided with a T-shaped plug rod (520) penetrating to the outside of the connection chamber (506), the top of the connection chamber (506) is respectively provided with a hose (505) connected to the first sleeve (501) and a guide pipe (508) connected to the sleeve (2), the bottom of the guide rotating connecting rod (3) is provided with a threaded rod (517) located on the inner side of the sleeve (2), and the threaded rod (517) is sleeved with a A threaded sleeve (516) is provided, a plug (515) is installed at the bottom of the threaded sleeve (516) and is in contact with the inner wall of the sleeve (2), a telescopic rod (514) is installed at the top of the plug (515) and is connected to the top of the inner wall of the sleeve (2), a plurality of clamping plates (512) are inserted into the inner side of the first link (4) and penetrate to the outer side of the first link (4), the plurality of clamping plates (512) are distributed at equal distances along the center of the first link (4), and a pressing pin (519) is installed on the inner side of the clamping plate (512). ), the pressure pin (519) is sleeved with an oblique guide rail (513), the top of the oblique guide rail (513) is installed with a second link (509) located above the first link (4), the second link (509) is provided with a second piston rod (511) on the side close to the first piston rod (503), the outer side of the second piston rod (511) is sleeved with a second sleeve (510) connected to the first piston rod (503), and the inner side of the second sleeve (510) is provided with a guide groove (518).

3. A pipeline and panel welding device for processing a Tokamak bottom cold shield according to claim 2, characterized in that: The diameter of the pressing pin (519) is equal to the inner wall width of the oblique guide rail (513), and the inclination angle of the oblique guide rail (513) relative to the top of the workbench (1) is forty-five degrees.

4. The pipeline and panel welding device for processing the Tokamak bottom cold shield according to claim 2 is characterized in that: The center of the second link (509) is coaxial with the center of the first link (4), and the inner wall diameters of the second link (509) and the first link (4) are equal.

5. The pipeline and panel welding device for processing the Tokamak bottom cold shield according to claim 2 is characterized in that: The equidistant displacement member includes an annular bin (601) installed at the bottom of an F-type positioning frame (602), a pressure rod (604) is installed on the side of the oblique guide rail (513) away from the second link (509), an annular pressure plate (603) located on the inner side of the annular bin (601) is installed at the bottom of the pressure rod (604), an annular transition bin (605) is rotatably connected to the bottom of the annular pressure plate (603), a third sleeve (607) is connected to the bottom of the annular transition bin (605), a third piston rod (608) extending to the outside of the third sleeve (607) is inserted into the interior of the third sleeve (607), a movable frame (606) slidably connected to the outer wall of the third sleeve (607) is installed at one end of the third piston rod (608), and a welding gun (609) is installed at the bottom of the movable frame (606).

6. A pipeline and panel welding device for processing a Tokamak bottom cold shield according to claim 5, characterized in that: The internal space of the annular bin (601) is equal in size to the internal space of the third sleeve (607), and the maximum moving distance of the third piston rod (608) is equal to the maximum moving distance of the clamping plate (512).

7. The pipeline and panel welding device for processing the Tokamak bottom cold shield according to claim 5, characterized in that: The annular bin (601), the annular transition bin (605), and the second link (509) are coaxial in center, and a rotating sealing ring is provided at the bottom contact position between the annular transition bin (605) and the annular bin (601).

8. The pipeline and panel welding device for processing the Tokamak bottom cold shield according to claim 5, characterized in that: The rotary welding unit comprises a mounting seat (702) mounted on a side of an F-shaped positioning frame (602) away from the first link (4); a motor (701) is mounted on the top of the mounting seat (702); an output end of the motor (701) is connected to a transmission gear plate (703) located below the mounting seat (702); a straight tooth ring (704) meshing with the transmission gear plate (703) is arranged on the top of the third sleeve (607); a protective chamber (707) located outside the T-shaped insertion rod (520) is mounted on the outer wall of the connecting chamber (506); a first contact piece (705) is mounted on the inner wall of the protective chamber (707); and a second contact piece (706) located inside the protective chamber (707) is arranged on the outer side of the T-shaped insertion rod (520).

9. A pipeline and panel welding device for processing a Tokamak bottom cold shield according to claim 8, characterized in that: The first contact piece (705) is electrically connected to the motor (701) and the welding gun (609) through a wire, and the second contact piece (706) is electrically connected to an external power source through a wire.

10. A pipeline and panel welding process for processing a Tokamak bottom cold shield, characterized in that: The pipeline and panel welding device for processing the Tokamak bottom cold shield according to any one of claims 1 to 9 comprises the following steps: S1: firstly place the panel on top of the positioning support plate (8), and then move the first link (4) to the top of the welding point between the pipe fitting and the panel by operating the positioning locking member; S2: inserting the pipe to be welded into the first link (4) so ​​that the bottom of the pipe contacts the panel on the positioning support plate (8); S3: The pipe fitting is positioned by operating the position-adjusting locking member so that the center of the first link (4) is coaxial with the center of the pipe fitting, and the positioning support plate (8) is stably connected to the first link (4). In the process of operating the position-adjusting locking member to fix the pipe fitting, the equidistant shifting member operates synchronously to adjust the position of the welding gun (609) so that the position of the welding gun (609) is always equal to the connection point between the pipe fitting and the panel; S4: Using a rotating welding unit to rotate the welding gun (609) along the center of the pipe to perform welding; S5: After the pipe fitting and the panel are welded, the pipe fitting is freed from the limit by operating the position adjustment locking member, and then the positioning support plate (8) is disassembled, and then the positioning support plate (8) is removed together with the welded pipe fitting and the panel.

Images