Welding device for stainless steel pipe fittings

Abstract

The invention discloses a welding device for stainless steel pipe fittings, and relates to the technical field of welding. The welding equipment for mechanical part machining comprises a table top, clamping devices are fixedly connected to the two sides of the interior of the table top, a supporting frame is fixedly connected to the top of the table top, and a V-shaped supporting plate is fixedly connected to the top of the supporting frame; the top of the base is fixedly connected with the table top, motors are fixedly connected to the two sides of the V-shaped supporting plate, first rotating shafts are fixedly connected to the two sides of the motors, ratchet wheels are fixedly connected to the two sides of the first rotating shafts, C-shaped rotating plates are fixedly connected to the outer sides of the ratchet wheels, and arc fixing plates are fixedly connected to the tops of the C-shaped rotating plates. Rollers are rotationally connected to the two sides of the interior of the V-shaped supporting plate and fixedly connected with the ratchet wheels through second rotating shafts. When the welding device for the stainless steel pipe fitting is used, rotation of the stainless steel pipe fitting is achieved through rotation of the motor, and therefore the continuous welding effect is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of welding, in particular to a welding device for stainless steel pipe fittings. Background Art

[0002] The welding device of stainless steel pipe fittings usually consists of welding device, control device, cooling system and protection device.

[0003] Chinese patent CN118875632A, authorized and announced on November 1, 2024, discloses welding equipment for machining mechanical parts, which includes a processing table and a clamping device, wherein a placement rack is fixedly installed on the top of the processing table, a placement hole is opened on the top of the placement rack, a welding device is arranged inside the placement hole, a support groove is opened on the top of the processing table, a support rod is fixedly installed on the inner wall of the support groove, a displacement device is slidably installed on the circumferential surface of the support rod, a support rack is fixedly installed on the top of the processing table, and a support plate is fixedly installed on the surface of the displacement device.

[0004] In the above application documents, after the clamping device clamps and fixes the stainless steel pipe fitting, the welding device can only weld the top of the stainless steel pipe fitting. Continuous welding requires manual re-clamping of the stainless steel pipe fitting, which is more troublesome to use. At the same time, after the welding is completed, the stainless steel pipe fitting is vibrated, and the welding slag will be shaken off to the support plate and the surface of the stainless steel pipe fitting, which needs to be manually collected and cleaned. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention provides a welding device for stainless steel pipe fittings, which solves the problems raised in the above background technology. To achieve the above objectives, the present invention is implemented through the following technical solutions: A welding device for stainless steel pipe fittings, comprising: A table top, wherein the inner sides of the table top are fixedly connected to clamping devices, the top of the table top is fixedly connected to a support frame, the top of the support frame is fixedly connected to a V-shaped support plate, and the top of the V-shaped support plate is movably connected to a stainless steel pipe fitting; A base, the top of which is fixedly connected to the table top; A mounting frame, wherein a laser welding device is slidably connected to the interior of the mounting frame; Two motors are fixedly connected to both sides of the V-shaped support plate. One of the motors is fixedly connected to a rotating shaft 1 on both sides. A ratchet is fixedly connected to both sides of the rotating shaft 1. The outer side of the ratchet is movably connected to a ratchet tooth. The ratchet teeth are rotatably connected to limit blocks on both sides. The outer side of the ratchet is fixedly connected to a C-shaped rotating plate. The top of the C-shaped rotating plate is fixedly connected to an arc fixed plate. The inside of the V-shaped support plate is rotatably connected to rollers on both sides. One side of the roller is fixedly connected to the ratchet via a rotating shaft 2. An arc-shaped telescopic plate is fixedly connected between the bottom of the C-shaped rotating plate and the V-shaped support plate. The arrangement of the rollers allows the stainless steel pipe to be rotated by the motor while being fixed, thereby improving welding efficiency.

[0006] Preferably, a welding slag box chute is provided on the back of the base, and the two sides of the other motor are fixedly connected to the rotating shaft five, and the two sides of the rotating shaft five are fixedly connected to the ratchet and ratchet device. There are four rollers, and each two rollers form a group. The other group of rollers is rotatably connected to the ratchet and ratchet device through the rotating shaft six.

[0007] Preferably, a welding guide groove with a guiding function is provided on the surface of the arc fixing plate, a roller device is rotatably connected to the bottom surface of the arc fixing plate, a spring with a reset function is fixedly connected between the outer side of each limit block and the ratchet, and a welding slag collection port is provided at the bottom of the V-shaped support plate.

[0008] Preferably, the outer side of the roller away from the side of the arc fixed plate is rotatably connected to an air outlet assembly, and the air outlet assembly includes gear 1, rack 1, hydraulic block 1, rack 2, rotating shaft 3, gear 2, rotating baffle, and air outlet. The gear 1 is fixedly connected to the rotating shaft 5, the top of the hydraulic block 1 is movably connected to rack 1, the rack 1 is meshed with gear 1, the side of the hydraulic block 1 is movably connected to rack 2, the rotating baffle is rotatably connected to the table through rotating shaft 3, the two sides of the rotating shaft 3 are fixedly connected to gear 2, the gear 2 is meshed with rack 2, and the inside of the rotating baffle is fixedly connected to the air outlet. By setting the air outlet assembly, the toxic gases generated during the welding process are prevented from causing harm to the user, and the welding slag generated after welding is removed to a certain extent, thereby improving the welding efficiency of the equipment.

[0009] Preferably, the number of the gear 1 is two, and the two gear 1s are symmetrically distributed about the center line of the rotating shaft 5. The number of the hydraulic blocks 1 is two, the number of the racks 2 is two, and the number of the gear 2 is two.

[0010] Preferably, the second rack is slidably connected to the table top through a sliding groove provided inside the table top.

[0011] Preferably, the side of the C-shaped rotating plate is movably connected to a welding slag collecting assembly, and the welding slag collecting assembly includes an arc connecting rod, a push block, a hydraulic block 2, a rack 3, a gear 3, a rotating shaft 4, a gear 4, a rack 4, a welding slag box, and a trapezoidal slider. The top of the arc connecting rod is fixedly connected to the side of the C-shaped rotating plate, and the side of the arc connecting rod is fixedly connected to two push blocks, the bottom of each push block is movably connected to a hydraulic block 2, and the front side of each hydraulic block 2 is movably connected to a rack 3, the top of the rotating shaft 4 is rotatably connected to the inside of the base, the top outer side of the rotating shaft 4 is fixedly connected to gear 3, the gear 3 is meshed with rack 3, the bottom outer side of the rotating shaft 4 is fixedly connected to gear 4, and rack 4 is fixedly connected to both sides of the welding slag box, each rack 4 is meshed with gear 4, and trapezoidal sliders are fixedly connected to both sides of the welding slag box. A welding slag collection component is provided to collect the welding slag generated during the welding process of the device into the welding slag box, so that the welding slag can be recycled. At the same time, the welding slag generated will not accumulate on the surface of the V-shaped support plate and the stainless steel pipe fitting, so that the welding process will not be affected by the welding slag.

[0012] Preferably, a trapezoidal chute is provided inside the rear side of the base, and the slag box is slidably connected to the base via the trapezoidal chute.

[0013] Preferably, there are two rotating shafts four, and each of the rotating shafts four is symmetrically distributed about the center line of the C-shaped rotating plate.

[0014] Preferably, the center of the arc surface of the arc-shaped connecting rod is consistent with the center of the C-shaped rotating plate, and the internal opening of the welding slag box is consistent in size with the welding slag collecting port.

[0015] The present invention provides a welding device for stainless steel pipe fittings. It has the following beneficial effects: (1) When the welding device for stainless steel pipe fittings is used, the motor on one side is started to rotate the rotating shaft counterclockwise, and the arc fixing plate is rotated to the top of the stainless steel pipe fitting in conjunction with the ratchet, ratchet, limit block, and C-shaped rotating plate. Then the motor is started again to rotate the rotating shaft clockwise to rotate the stainless steel pipe fitting, while the arc fixing plate remains fixed and does not rotate with it, so that the device can weld continuously when working, thereby improving work efficiency.

[0016] (2) When the welding device for the stainless steel pipe fitting is used, the motor on one side is started to rotate the rotating shaft 1 counterclockwise, and the rotating baffle is rotated to the vertical direction in conjunction with the gear 1, rack 1, hydraulic block 1, rack 2, rotating shaft 3, gear 2, and ratchet device, so that the air outlet is directly facing the welding joint, so that the harmful gas generated by the welding is blown away, and the toxic gas generated during the welding process is prevented from causing harm to the user. At the same time, it plays a certain role in removing the welding slag generated after welding, thereby improving the welding efficiency of the equipment.

[0017] (3) When the welding device of the stainless steel pipe fitting is completed, the motor on one side is started to rotate the rotating shaft five in a counterclockwise direction, and the ratchet device, the arc-shaped connecting rod, the push block, the hydraulic block two, the rack three, the gear three, the rotating shaft four, the gear four, and the rack four are coordinated to make the welding slag box slide out along the trapezoidal chute direction, so that the welding slag can be recycled, and at the same time, the welding slag generated by the welding will not accumulate on the surface of the V-shaped support plate and the stainless steel pipe fitting, thereby improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of part of the structure of the present invention; Figure 4 For the present invention Figure 3 A in the middle is an enlarged structural diagram; Figure 5 It is a schematic diagram of the three-dimensional structure of the blowing assembly of the present invention; Figure 6 For the present invention Figure 5 The enlarged structural diagram at B in the middle; Figure 7 A schematic diagram of the three-dimensional structure of the welding slag cleaning assembly of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at point C in the middle.

[0019] In the picture: 100, table; 200, base; 300, mounting frame; 400, laser welding device; 500, clamping device; 600, support frame; 700, stainless steel pipe fittings; 800, V-shaped support plate; 901, motor; 902, C-shaped rotating plate; 903, arc fixed plate; 904, roller; 905, rotating shaft 1; 906, ratchet; 907, ratchet; 908, limit block; 909, rotating shaft 2; 910, arc-shaped telescopic plate; 1000, air outlet assembly; 1001, gear 1; 1002, rack 1; 1003, hydraulic block 1; 1004, rack 2; 1005, rotating shaft 3; 1006, gear 2; 1007, rotating baffle; 1008, air outlet; 1100. Welding slag collection assembly; 1101. Arc-shaped connecting rod; 1102. Push block; 1103. Hydraulic block 2; 1104. Rack 3; 1105. Gear 3; 1106. Rotating shaft 4; 1107. Gear 4; 1108. Rack 4; 1109. Welding slag box; 1110. Trapezoidal slider. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] For example 1, please refer to Figure 1-Figure 4 , a welding device for stainless steel pipe fittings, comprising: The table top 100 has clamping devices 500 fixedly connected on both sides of the interior of the table top 100. The clamping devices 500 are provided so that the stainless steel pipe 700 can be fixed after being placed on the V-shaped support plate 800 and the two stainless steel pipes 700 are clamped inwardly. The upper and lower sides of the clamping devices 500 are provided with roller devices so that the clamping devices 500 can still fix the stainless steel pipe 700 when the stainless steel pipe 700 rotates. The top of the table top 100 is fixedly connected with a support frame 600. The support frame 600 is provided so that the V-shaped support plate 800 and the table top 100 remain in a fixed state. The top of the support frame 600 is fixedly connected with a V-shaped support plate 800. The V-shaped support plate 800 is provided so that the welding slag on the surface of the stainless steel pipe 700 can fall to the welding slag collecting port at the bottom of the V-shaped support plate 800. The top of the V-shaped support plate 800 is movably connected with the stainless steel pipe 700. The base 200 has a top that is fixedly connected to the table 100, and a welding slag box chute is provided on the back of the base 200. The two sides of another motor 901 are fixedly connected to the rotating shaft 5, and the two sides of the rotating shaft 5 are fixedly connected to a ratchet and ratchet device. The ratchet and ratchet device is provided so that when the motor 901 rotates the rotating shaft 6 counterclockwise, the gear 1 1001 is driven to rotate. When the motor 901 rotates in the reverse direction, the gear 1 1001 remains stationary. There are four rollers 904, and each two rollers 904 form a group. The roller 904 on the other side is rotatably connected to the ratchet and ratchet device through the rotating shaft 6. A mounting frame 300, wherein a laser welding device 400 is slidably connected to the interior of the mounting frame 300; Two motors 901 are fixedly connected to both sides of the V-shaped support plate 800, one of which is fixedly connected to a rotating shaft 905 on both sides, and a ratchet 907 is fixedly connected to both sides of the rotating shaft 905. The outer side of the ratchet 907 is movably connected to a ratchet 906, and both sides of the ratchet 906 are rotatably connected to a limit block 908. A limit block 908 is set, and when the ratchet 906 rotates counterclockwise, it cooperates with the limit block 908 to make the ratchet 907 rotate counterclockwise. When the ratchet 906 rotates clockwise, it cooperates with the limit block 908 to keep the ratchet 907 relatively stationary. The outer side of the ratchet 907 is fixedly connected to a C-shaped rotating plate 902, and the top of the C-shaped rotating plate 902 is fixedly connected to an arc fixing plate 903. The surface of the arc fixing plate 903 A welding guide groove with a guiding function is provided, and the bottom surface of the arc fixed plate 903 is rotatably connected to a roller device. A spring with a reset function is fixedly connected between the outer side of each limit block 908 and the ratchet 906. A welding slag collection port is provided at the bottom of the V-shaped support plate 800. Rollers 904 are rotatably connected on both sides of the interior of the V-shaped support plate 800. One side of the roller 904 is fixedly connected to the ratchet 907 through the rotating shaft 909. An arc-shaped telescopic plate 910 is fixedly connected between the bottom of the C-shaped rotating plate 902 and the V-shaped support plate 800. The roller 904 is provided so that the stainless steel pipe 700 can be fixed by the clamping device 500 on both sides and can be driven to rotate by the motor 901, so that continuous welding can be achieved, thereby improving the working efficiency of the device.

[0022] When in use, place the two sections of stainless steel pipe fittings 700 on the surface of the V-shaped support plate 800, and start the clamping devices 500 on both sides at the same time to fix the two sections of stainless steel pipe fittings 700 and clamp them inward. At this time, start the motor 901 to rotate the shaft 1 905 counterclockwise, driving the ratchet 906 to rotate counterclockwise. Due to the obstruction of the limit block 908, the ratchet 907 rotates counterclockwise, thereby rotating the shaft 2 909 counterclockwise, driving the roller 904 to rotate counterclockwise, and rotating the two sections of stainless steel pipe fittings 700 clockwise, thereby improving the welding efficiency. Drive the C-shaped rotating plate 902 to rotate counterclockwise, so that the arc fixing plate 903 rotates counterclockwise to the surface of the stainless steel pipe 700, thereby fixing the workpiece more firmly and improving the working efficiency of the device. At this time, start the motor 901 in reverse, so that the rotating shaft 905 rotates clockwise, driving the ratchet 906 to rotate clockwise. The ratchet 907 remains relatively stationary due to its tooth shape being opposite to that of the ratchet 906, thereby keeping the arc fixing plate 903 relatively stationary. Then start the laser welding device 400, so that the two sections of stainless steel pipe 700 are welded while rotating counterclockwise.

[0023] For example 2, please refer to Figures 1-6On the basis of Example 1, the outer side of the roller 904 away from the side of the arc fixing plate 903 is rotatably connected to the air outlet assembly 1000, and the air outlet assembly 1000 includes a gear 1001, a rack 1002, a hydraulic block 1003, a rack 2 1004, a rotating shaft 3 1005, a gear 2 1006, a rotating baffle 1007, and an air outlet 1008. The gear 1001 is fixedly connected to the rotating shaft 5, and the top of the hydraulic block 1003 is movably connected to the rack 1002. The rack 1 1002 is meshed with gear 1001. There are two gears 1001. The two gears 1001 are symmetrically distributed about the center line of the rotating shaft 5. There are two hydraulic blocks 1003. There are two racks 1004. There are two gears 1006. The side of the hydraulic block 1003 is movably connected with the rack 2 1004. The hydraulic block 1003 is set so that the thrust of the rack 1002 moving downward is transmitted to the rack 2 1004, so that the rack 2 1004 is pushed forward. 4 is connected to the table top 100 through a sliding groove provided inside the table top 100. The sliding groove is provided so that the rack 2 1004 can slide inside the table top 100. The rotating baffle 1007 is connected to the table top 100 through the rotating shaft 3 1005. The two sides of the rotating shaft 3 1005 are fixedly connected with the gear 2 1006. The gear 2 1006 is meshed with the rack 2 1004. The interior of the rotating baffle 1007 is fixedly connected with the air outlet 1008. The air outlet 1008 is provided. When the rotating baffle 1007 is rotated to the vertical position, the rotating baffle 1007 is rotated to the vertical position. After the direction is adjusted, the air outlet 1008 is directly opposite the welding point, and a rotating baffle 1007 is provided. When in use, the rotating baffle 1007 is rotated to a vertical direction to prevent the strong light generated by the laser welding device 400 from directly shining on the user when it is working. The air outlet assembly 1000 is provided to prevent the toxic gases generated during the welding process from causing harm to the user, and at the same time, it plays a certain role in removing the welding slag generated after welding, thereby improving the welding efficiency of the equipment and blocking the strong light generated by the laser welding device 400 when it is working, thereby protecting the user.

[0024] During use, based on Example 1, when the arc fixing plate 903 rotates to the surface of the workpiece, the motor 901 is started to rotate the rotating shaft five counterclockwise, driving the gear one 1001 to rotate counterclockwise, causing the rack one 1002 to move downward, thereby squeezing the hydraulic block one 1003 and causing the rack two 1004 to move forward, thereby driving the gear two 1006 to rotate counterclockwise, causing the rotating baffle 1007 to rotate to the vertical direction. At this time, the motor 901 is started in reverse to rotate the rotating shaft five clockwise. Due to the ratchet device, the rotating baffle 1007 remains relatively stationary, so that during the welding process of the equipment, the air outlet 1008 continues to blow air backwards to remove the harmful gases generated by welding, thereby protecting the user. At the same time, after the welding is completed, the stainless steel pipe 700 is vibrated to loosen the welding slag and fall off. Some small welding slag can be blown off by the air outlet component 1000 to the welding slag collection component 1100, thereby improving the processing efficiency of the welding device and saving costs.

[0025] For example three, please refer to Figures 1-8On the basis of the first and second embodiments, the side of the C-shaped rotating plate 902 is movably connected to a welding slag collecting assembly 1100, which includes an arc-shaped connecting rod 1101, a push block 1102, a second hydraulic block 1103, a third rack 1104, a third gear 1105, a fourth rotating shaft 1106, a fourth gear 1107, a fourth rack 1108, a welding slag box 1109, and a trapezoidal slider 1110. The top of the arc-shaped connecting rod 1101 is fixedly connected to the side of the C-shaped rotating plate 902, and the side of the arc-shaped connecting rod 1101 is fixedly connected to two push blocks 1102. The bottom of each push block 1102 is movably connected to a hydraulic block 2 1103. The hydraulic block 2 1103 is set to transmit the power of the push block 1102 downward movement to the rack 3 1104, so that the rack 3 1104 is pushed backward. The front side of each hydraulic block 2 1103 is movably connected to the rack 3 1104. The top of the rotating shaft 4 1106 is rotatably connected to the inside of the base 200. A trapezoidal chute is opened inside the rear side of the base 200. The slag box 1109 is slidably connected to the base 200 through the trapezoidal chute. The top outer side of the rotating shaft 4 1106 is fixedly connected to the gear 3 1105. The third gear 1105 is meshed with the third gear 1104, and the outer side of the bottom of the fourth gear 1106 is fixedly connected to the fourth gear 1107. There are two fourth gears 1106, and each fourth gear 1106 is symmetrically distributed about the center line of the C-shaped rotating plate 902. The fourth gear 1106 is set so that the rotation of the third gear 1104 is transmitted to the fourth gear 1107, so that the welding slag box 1109 slides outward. The two sides of the welding slag box 1109 are fixedly connected to the fourth gear 1108, and each rack 1108 is meshed with the fourth gear 1107. The two sides of the welding slag box 1109 are fixedly connected to the trapezoidal slider 1110. The center of the arc surface of the arc connecting rod 1101 is consistent with the center of the C-shaped rotating plate 902, the internal opening of the welding slag box 1109 is consistent in size with the welding slag collecting port, and a trapezoidal slider 1110 is provided to move the trapezoidal slider 1110 outward along the direction of the trapezoidal slide groove, so that the welding slag box 1109 moves outward, and a welding slag collecting assembly 1100 is provided to collect the welding slag generated during the welding process of the device into the welding slag box 1109, so that the welding slag can be recycled, and at the same time, the welding slag generated by welding will not accumulate on the surface of the V-shaped support plate 800 and the stainless steel pipe 700, thereby improving the welding efficiency.

[0026] During use, based on the first and second embodiments, after welding is completed, the surface of the stainless steel pipe fitting 700 is vibrated to make the welding slag on the surface of the stainless steel pipe fitting 700 fall off to the welding slag collecting port, and the arc fixing plate 903 is rotated to rotate the arc connecting rod 1101, so that the two push blocks 1102 are pushed inward, so that the hydraulic block 2 1103 is squeezed, thereby making the rack three 1104 move backward, driving the gear three 1105 to rotate, and making the rotating shaft 4 1106 rotate, so that the gear four 1107 rotates, and drives the rack four 1108 to move backward, so that the welding slag box 1109 slides out along the trapezoidal slide direction, so that the welding slag on the surface of the workpiece can be collected, and at the same time, the welding slag generated by welding will not accumulate on the surface of the V-shaped support plate 800 and the stainless steel pipe fitting 700, thereby improving the welding efficiency. During the welding process, the motor 901 is reversed, and the ratchet device is used to prevent the welding slag box 1109 from sliding with the rotation of the motor 901, thereby not affecting the welding slag collection.

[0027] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A welding device for stainless steel pipe fittings, characterized in that: include: A table top (100), wherein both sides of the interior of the table top (100) are fixedly connected to clamping devices (500), the top of the table top (100) is fixedly connected to a support frame (600), the top of the support frame (600) is fixedly connected to a V-shaped support plate (800), and the top of the V-shaped support plate (800) is movably connected to a stainless steel pipe (700); A base (200), the top of the base (200) being fixedly connected to the tabletop (100); A mounting frame (300), wherein a laser welding device (400) is slidably connected to the interior of the mounting frame (300); Two motors (901) are fixedly connected to both sides of the V-shaped support plate (800), wherein one of the motors (901) is fixedly connected to a rotating shaft (905) on both sides, and a ratchet (907) is fixedly connected to both sides of the rotating shaft (905), and the outer side of the ratchet (907) is movably connected to a ratchet (906), and both sides of the ratchet (906) are rotatably connected to a limit block (908), and the outer side of the ratchet (907) is fixedly connected to a C-shaped rotating plate (902), and the top of the C-shaped rotating plate (902) is fixedly connected to an arc fixed plate (903), and the inside of the V-shaped support plate (800) is rotatably connected to rollers (904), and one side of the roller (904) is fixedly connected to the ratchet (907) via a rotating shaft (909), and an arc-shaped telescopic plate (910) is fixedly connected between the bottom of the C-shaped rotating plate (902) and the V-shaped support plate (800).

2. A welding device for stainless steel pipe fittings according to claim 1, characterized in that: A welding slag box chute is provided on the back of the base (200), and the two sides of the other motor (901) are fixedly connected to the rotating shaft five, and the two sides of the rotating shaft five are fixedly connected to the ratchet and ratchet device. The number of the rollers (904) is four, and each two rollers (904) form a group. The other group of rollers (904) is rotatably connected to the ratchet and ratchet device through the rotating shaft six.

3. The welding device for stainless steel pipe fittings according to claim 1, characterized in that: A welding guide groove with a guiding function is provided on the surface of the circular arc fixing plate (903); a roller device is rotatably connected to the bottom surface of the circular arc fixing plate (903); a spring with a reset function is fixedly connected between the outer side of each limit block (908) and the ratchet (906); and a welding slag collection port is provided at the bottom of the V-shaped support plate (800).

4. A welding device for stainless steel pipe fittings according to claim 2, characterized in that: The outer side of the roller (904) away from the arc fixed plate (903) is rotatably connected to an air outlet assembly (1000), and the air outlet assembly (1000) includes a gear 1 (1001), a rack 1 (1002), a hydraulic block 1 (1003), a rack 2 (1004), a rotating shaft 3 (1005), a gear 2 (1006), a rotating baffle (1007), and an air outlet (1008). The gear 1 (1001) is fixedly connected to the rotating shaft 5, and the top of the hydraulic block 1 (1003) is movably connected to the rotating shaft 5. There is a rack 1 (1002), the rack 1 (1002) is meshed with the gear 1 (1001), the side of the hydraulic block 1 (1003) is movably connected to the rack 2 (1004), the rotating baffle (1007) is rotatably connected to the table (100) through the rotating shaft 3 (1005), the two sides of the rotating shaft 3 (1005) are fixedly connected to the gear 2 (1006), the gear 2 (1006) is meshed with the rack 2 (1004), and the interior of the rotating baffle (1007) is fixedly connected to the air outlet (1008).

5. The welding device for stainless steel pipe fittings according to claim 4, characterized in that: There are two gears (1001) and the two gears (1001) are symmetrically distributed about the center line of the rotating shaft (5). There are two hydraulic blocks (1003), two racks (1004), and two gears (1006).

6. The welding device for stainless steel pipe fittings according to claim 4, characterized in that: The second rack (1004) is slidably connected to the table top (100) via a sliding groove provided inside the table top (100).

7. The welding device for stainless steel pipe fittings according to claim 1, characterized in that: The side of the C-shaped rotating plate (902) is movably connected to a welding slag collecting assembly (1100), and the welding slag collecting assembly (1100) includes an arc-shaped connecting rod (1101), a push block (1102), a hydraulic block 2 (1103), a rack 3 (1104), a gear 3 (1105), a rotating shaft 4 (1106), a gear 4 (1107), a rack 4 (1108), a welding slag box (1109), and a trapezoidal slider (1110). The top of the arc-shaped connecting rod (1101) is fixedly connected to the side of the C-shaped rotating plate (902). The side of the arc-shaped connecting rod (1101) is fixedly connected to two push blocks (1102). The bottom of each push block (1102) is movably connected to a hydraulic block. Pressure block two (1103), the front side of each hydraulic block two (1103) is movably connected to rack three (1104), the top of the rotating shaft four (1106) is rotatably connected to the inside of the base (200), the top outer side of the rotating shaft four (1106) is fixedly connected to gear three (1105), the gear three (1105) is meshed with rack three (1104), the bottom outer side of the rotating shaft four (1106) is fixedly connected to gear four (1107), the two sides of the welding slag box (1109) are fixedly connected to rack four (1108), each rack four (1108) is meshed with gear four (1107), and the two sides of the welding slag box (1109) are fixedly connected to trapezoidal sliders (1110).

8. The welding device for stainless steel pipe fittings according to claim 7, characterized in that: A trapezoidal chute is provided inside the rear side of the base (200), and the welding slag box (1109) is slidably connected to the base (200) via the trapezoidal chute.

9. The welding device for stainless steel pipe fittings according to claim 7, characterized in that: There are two rotating shafts (1106), and each rotating shaft (1106) is symmetrically distributed about the center line of the C-shaped rotating plate (902).

10. The welding device for stainless steel pipe fittings according to claim 7, characterized in that: The center of the arc surface of the arc-shaped connecting rod (1101) is consistent with the center of the C-shaped rotating plate (902), and the internal opening of the welding slag box (1109) is consistent in size with the welding slag collection port.

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