Automatic ring welding machine for fire extinguisher cylinder

Abstract

The utility model discloses an automatic ring welding machine for a fire extinguisher cylinder, and belongs to the technical field of fire extinguisher cylinder production. Comprising a rack and a mounting table, and the rack is fixedly connected with the side face of the mounting table. The lower portion of the machine frame is connected with a barrel feeding device for fixing the direction of a barrel, the upper end of the machine frame is connected with a first sliding rail, and the first sliding rail is connected with a lifting device for driving the barrel to ascend in a sliding mode. The upper end of the rack is connected with a first electric cylinder, and an output shaft of the first electric cylinder is fixedly connected with the side face of the lifting device. The two sides of the rack are connected with an upper bottom conveying line and an M bottom conveying line, the two sides of the mounting table are connected with rotary feeding mechanisms, and the lower end of the rack is connected with an assembly feeding device. Clamping devices are connected to the two sides of the upper portion of the mounting table, and a welding gun is connected to one side of the mounting table. The problems that a feeding mechanism in the prior art is not matched, and production efficiency is low and errors are increased due to redundant steps in the prior art are solved.

Description

Technical Field

[0001] This utility model belongs to the field of fire extinguisher cylinder production technology, specifically relating to an automatic ring welding machine for fire extinguisher cylinders. Background Technology

[0002] A fire extinguisher is a portable fire-fighting tool. It contains chemicals used to extinguish fires. Fire extinguishers are one of the most common fire prevention facilities. They are stored in public places or areas where fires may occur. Different types of fire extinguishers contain different components and are designed for different types of fires. Care must be taken when using them to avoid adverse effects and dangers. Existing technologies have incompatible feeding mechanisms and contain redundant steps, leading to inefficiency and increased errors. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide an automatic ring welding machine for fire extinguisher cylinders, so as to solve the problems of mismatched feeding mechanisms in the prior art and the inefficiency and increased error caused by the extra steps in the prior art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] This utility model discloses an automatic ring welding machine for fire extinguisher cylinders, comprising a frame and a mounting platform. The frame and the mounting platform are fixedly connected to each other on the side. A cylinder feeding device for fixing the cylinder's position is connected to the lower part of the frame. A first slide rail is connected to the upper end of the frame, and a lifting device for driving the cylinder upward is slidably connected to the first slide rail. A first electric cylinder is connected to the upper end of the frame, and the output shaft of the first electric cylinder is fixedly connected to the side of the lifting device. Upper and lower bottom conveyor lines are connected to both sides of the frame. Rotary feeding mechanisms are connected to both sides of the mounting platform. An assembly feeding device is connected to the lower end of the frame. Clamping devices are connected to both sides of the upper part of the mounting platform, and a welding torch is connected to one side of the mounting platform.

[0006] Furthermore, the upper bottom and M-bottom conveyor line includes: a sliding groove, a conveyor belt, a second electric cylinder, a placement tray and a placement trough. The sliding groove is fixedly connected to the side of the frame, the conveyor belt is fixedly connected to the inner side of the sliding groove, the placement trough is fixedly connected to the side of the sliding groove, one end of the second electric cylinder passes through the sliding groove and is fixedly connected to the sliding groove, and the output shaft of the second electric cylinder is fixedly connected to the placement tray.

[0007] Furthermore, the rotary feeding mechanism includes: a mounting frame, a telescopic rod, a swing arm, a rotating shaft, a support rod, a third electric cylinder, and a suction cup. Two mounting frames are respectively fixedly connected to the upper sides of the mounting platform. Both mounting platforms are connected to hinge blocks. One end of the telescopic rod is hinged to the hinge block, and the other end of the telescopic rod is rotatably connected to the swing arm. The rotating shaft passes through the upper part of the mounting platform and is rotatably connected to it. One end of the swing arm is fixedly connected to the rotating shaft, and the other end of the rotating shaft is fixedly connected to the side of the third electric cylinder. The output shaft of the third electric cylinder is fixedly connected to the suction cup.

[0008] Furthermore, the assembly feeding device includes: a placement frame, magnetic clamps, a second slide rail, a moving frame, a rotating rod, a gear, a rack, a fourth electric cylinder, and a fifth electric cylinder. One end of the second slide rail is fixedly connected to the upper part of the mounting platform, and the other end of the second slide rail is fixedly connected to the frame. The moving frame is slidably connected to the second slide rail. The placement frame is fixedly connected to both sides of the moving frame. There are two magnetic clamps arranged in an L-shape. The rotating rod passes through the lower ends of the two magnetic clamps and is fixedly connected to them. The rotating rod passes through the moving frame and is rotatably connected to it. The gear is located in the middle of the rotating rod and is fixedly connected to it. One end of the fourth electric cylinder is fixedly connected to the side of the moving frame. The output shaft of the fourth electric cylinder passes through the moving frame and is fixedly connected to the rack. The rack meshes with the gear. One end of the fifth electric cylinder is fixedly connected to the lower part of the fixed platform, and the output shaft of the fifth electric cylinder is fixedly connected to the moving frame.

[0009] Furthermore, the clamping device includes: a mounting plate, a motor, a first clamping block, a fixed frame, a third slide rail, a sixth electric cylinder, a seventh electric cylinder, a connecting plate, a sliding rod, and a second clamping block. The mounting plate is fixedly connected to the upper part of the mounting platform. One end of the sixth electric cylinder is fixedly connected to the mounting plate. The output shaft of the sixth electric cylinder is fixedly connected to the connecting plate. One end of the sliding rod passes through the mounting plate and is slidably connected to it. The connecting plate is fixedly connected to the sliding rod. One end of the sliding rod is rotatably connected to the first clamping block. The third slide rail is fixedly connected to the upper part of the mounting platform. The fixed frame is slidably connected to the third slide rail. The motor is fixedly connected to the fixed frame. The motor output shaft is fixedly connected to the second clamping block. The seventh electric cylinder is fixedly connected to the upper part of the mounting platform. The output shaft of the seventh electric cylinder is fixedly connected to the fixed frame.

[0010] Furthermore, a connecting frame is installed on the upper part of the mounting platform, and a sliding plate is slidably connected to the connecting frame. The sliding plate is fixedly connected to the welding torch.

[0011] Furthermore, a sliding table is connected to the upper part of the mounting platform.

[0012] The beneficial effects of this utility model are as follows:

[0013] This utility model discloses an automatic ring welding machine for fire extinguisher cylinders. A cylinder feeding device securely feeds the cylinder to a lifting device, which then lifts it. A first electric cylinder drives the lifting device to an assembly feeding device. The upper and lower bottoms (M-shaped bottoms) are moved to a rotary feeding mechanism via a conveyor line. This mechanism lifts the upper and lower bottoms and rotates a third electric cylinder and a suction cup, aligning them with the cylinder. The third electric cylinder then moves the suction cup to connect the upper and lower bottoms to the cylinder, thus joining the cylinders. The assembly feeding device moves the joined cylinders to the upper part of a slide. A clamping mechanism then squeezes both ends of the cylinder and rotates it, allowing the welding torch to weld the cylinder around its circumference. This simplified and efficient process increases production speed.

[0014] Other advantages, objectives, and features of this invention will be set forth in the following description and will be apparent to those skilled in the art to some extent, or may be learned by practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0015] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the following drawings are provided for illustration:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is an enlarged view of point A in the figure of this utility model;

[0018] Figure 3 This is a partial view of the seventh electric cylinder and other components of this utility model;

[0019] Figure 4 This is a partial view of the slide table and other components of this utility model;

[0020] Figure 5 This is an enlarged view of point B in the figure of this utility model;

[0021] Figure 6 This is a partial view of the connecting plate and other components of this utility model;

[0022] Figure 7 This is an enlarged view of point C in the figure of this utility model.

[0023] The attached diagram is labeled as follows: 1. Mounting platform; 2. Frame; 3. Cylinder feeding device; 4. Lifting device; 5. Upper bottom and M-bottom conveyor lines; 51. Sliding chute; 52. Placement chute; 53. Conveyor belt; 54. Second electric cylinder; 55. Placement tray; 6. Rotary feeding mechanism; 61. Mounting frame; 62. Hinge block; 63. Telescopic rod; 64. Swing arm; 65. Rotating shaft; 66. Support rod; 67. Third electric cylinder; 68. Suction cup; 7. Assembly feeding device; 71. Moving frame; 72. Placement frame; 73. Magnet 74. Clamp; 75. Second slide rail; 76. Rotating rod; 77. Gear; 78. Fourth electric cylinder; 79. Rack; 80. Fifth electric cylinder; 81. Clamping device; 82. Mounting plate; 83. Sixth electric cylinder; 84. Slide rod; 85. First clamping block; 86. Second clamping block; 87. Fixing frame; 88. Motor; 89. Seventh electric cylinder; 81. Third slide rail; 82. Connecting plate; 9. First electric cylinder; 10. Slide table; 11. Cylinder; 12. Connecting frame; 13. Sliding plate; 14. Welding torch; 15. First slide rail. Detailed Implementation

[0024] like Figures 1-7 As shown, this utility model discloses an automatic ring welding machine for fire extinguisher cylinders, comprising a frame 2 and a mounting platform 1, the frame 2 and the mounting platform 1 being fixedly connected to each other on the side. A cylinder feeding device 3 is connected to the lower part of the frame 2 to fix the cylinder 11 in position, thus fixing the cylinder 11 below the lifting device 4 to prevent it from swaying. A first slide rail 15 is connected to the upper end of the frame 2, and the lifting device 4, which drives the cylinder 11 upward, is slidably connected to the first slide rail 15 to move the cylinder 11 onto the placement frame 72. A first electric cylinder 9 is connected to the upper end of the frame 2, and the output shaft of the first electric cylinder 9 is fixedly connected to the side of the lifting device 4, driving the lifting device 4 to slide on the first slide rail 15. Upper bottom and M-bottom conveyor lines 5 are connected to both sides of the frame 2 to move the upper bottom and M-bottom respectively. A rotating feeding mechanism 6 is connected to both sides of the mounting platform 1, driving the upper bottom and M-bottom upward and rotating them to join them to the cylinder 11. The lower end of the frame 2 is connected to an assembly feeding device 7, which moves the assembled cylinder 11 into the clamping device 8. Clamping devices 8 are connected to both sides of the upper part of the mounting platform 1 to hold the assembled cylinder 11, facilitating welding with the welding torch 14. A welding torch 14 is connected to one side of the mounting platform 1. A connecting frame 12 is mounted on the upper part of the mounting platform 1, and a sliding plate 13 is slidably connected to the connecting frame 12. The sliding plate 13 is fixedly connected to the welding torch 14, and the sliding plate 13 moves the welding torch 14 to adjust its welding position. A slide table 10 is connected to the upper part of the mounting platform 1, allowing the welded cylinder 11 to slide down via the slide table 10.

[0025] The upper bottom and M-bottom conveyor line 5 includes: a sliding groove 51, a conveyor belt 53, a second electric cylinder 54, a placement tray 55, and a placement trough 52. The sliding groove 51 is fixedly connected to the side of the frame 2, and the conveyor belt 53 is fixedly connected to the inner side of the sliding groove 51 to drive the upper bottom and M-bottom to move respectively. The placement trough 52 is fixedly connected to the side of the sliding groove 51. One end of the second electric cylinder 54 passes through the sliding groove 51 and is fixedly connected to the sliding groove 51. The output shaft of the second electric cylinder 54 is fixedly connected to the placement tray 55, and the second electric cylinder 54 drives the placement tray 55 to move, causing the upper bottom and M-bottom to move accordingly.

[0026] The rotary feeding mechanism 6 includes: a mounting frame 61, a telescopic rod 63, a swing arm 64, a rotating shaft 65, a support rod 66, a third electric cylinder 67, and a suction cup 68. Two mounting frames 61 are fixedly connected to the upper sides of the mounting platform 1, respectively. Each mounting platform 1 is connected to a hinge block 62. One end of the telescopic rod 63 is hinged to the hinge block 62, allowing the telescopic rod 63 to rotate. The other end of the telescopic rod 63 is rotatably connected to the swing arm 64, causing the swing arm 64 to rotate. The rotating shaft 65 passes through the upper part of the mounting platform 1 and is rotatably connected to it. One end of the swing arm 64 is fixedly connected to the rotating shaft 65, causing the swing arm 64 to rotate. The other end of the rotating shaft 65 is fixedly connected to the side of the third electric cylinder 67, causing the third electric cylinder 67 to rotate. The output shaft of the third electric cylinder 67 is fixedly connected to the suction cup 68.

[0027] The assembly feeding device 7 includes: a placement frame 72, magnetic clamps 73, a second slide rail 74, a moving frame 71, a rotating rod 75, a gear 76, a rack 78, a fourth electric cylinder 77, and a fifth electric cylinder 79. One end of the second slide rail 74 is fixedly connected to the upper part of the mounting platform 1, and the other end is fixedly connected to the frame 2. The moving frame 71 is slidably connected to the second slide rail 74, allowing it to slide on the second slide rail 74. The placement frame 72 is fixedly connected to both sides of the moving frame 71, preventing the cylinder 11 from slipping. There are two magnetic clamps 73 arranged in an L-shape. The rotating rod 75 passes through the lower ends of the two magnetic clamps 73 and is fixedly connected to them, driving the magnetic clamps 73 to rotate. The rotating rod 75 passes through the moving frame 71 and is rotatably connected to it. The gear 76 is located in the middle of the rotating rod 75 and is fixedly connected to it, driving the rotating rod 75 to rotate. One end of the fourth electric cylinder 77 is fixedly connected to the side of the movable frame 71. The output shaft of the fourth electric cylinder 77 passes through the movable frame 71 and is fixedly connected to the rack 78, thereby driving the rack 78 to move. The rack 78 meshes with the gear 76, and the movement of the rack 78 drives the gear 76 to rotate. One end of the fifth electric cylinder 79 is fixedly connected to the lower part of the fixed platform. The output shaft of the fifth electric cylinder 79 is fixedly connected to the movable frame 71, thereby driving the movable frame 71 to move.

[0028] The clamping device 8 includes: a mounting plate 81, a motor 87, a first clamping block 84, a fixing frame 86, a third slide rail 89, a sixth electric cylinder 82, a seventh electric cylinder 88, a connecting plate 810, a sliding rod 83, and a second clamping block 85. The mounting plate 81 is fixedly connected to the upper part of the mounting platform 1. One end of the sixth electric cylinder 82 is fixedly connected to the mounting plate 81, and the output shaft of the sixth electric cylinder 82 is fixedly connected to the connecting plate 810, allowing the sixth electric cylinder 82 to move the connecting plate 810. One end of the sliding rod 83 passes through the mounting plate 81 and is slidably connected to it. The connecting plate 810 is fixedly connected to the sliding rod 83, and the connecting rod drives the sliding rod 83 to slide. One end of the sliding rod 83 is rotatably connected to the first clamping block 84, allowing the sliding rod 83 to move the first clamping block 84. The third slide rail 89 is fixedly connected to the upper part of the mounting platform 1, and the fixing frame 86 is slidably connected to the third slide rail 89, allowing the fixing frame 86 to slide on the third slide rail 89. The motor 87 is fixedly connected to the fixed frame 86, and the output shaft of the motor 87 is fixedly connected to the second clamping block 85. The motor 87 drives the second clamping block 85 to rotate. The seventh electric cylinder 88 is fixedly connected to the upper part of the mounting platform 1, and the output shaft of the seventh electric cylinder 88 is fixedly connected to the fixed frame 86. The seventh electric cylinder 88 drives the fixed frame 86 and the second clamping block 85 to move to fix the cylinder 11.

[0029] The above-described working process is as follows: The cylinder 11 is placed into the cylinder feeding device 3, fixing its position and facilitating the lifting device 4 to raise it. At this time, the first electric cylinder 9 moves the lifting device 4 and the cylinder 11, positioning the cylinder 11 above the placement frame 72. The lifting device 4 lowers the cylinder 11, which is then held in place by the magnetic clamp 73 on the placement frame 72. The magnetic clamp 73 then attracts the cylinder 11. The conveyor belt 53 moves the upper bottom and the M-bottom within the sliding groove 51 until they reach the placement tray 55. At this point, the two second electric cylinders 54 raise the upper bottom and the M-bottom respectively, attracting the suction cup 68 to them. The telescopic rod 63 pushes the swing arm 64 to rotate, which in turn rotates the shaft 65. The third electric cylinder 67 and the suction cup 68 rotate accordingly. The support rod 66 keeps the third electric cylinder 67 horizontal, ensuring the accuracy of the upper bottom and the M-bottom. At this time, the upper bottom and the M bottom are respectively aligned with the two ends of the cylinder 11. The third electric cylinder 67 drives the suction cup 68 to move and engage the upper bottom and the M bottom with the two ends of the cylinder 11 (not shown in the text). At this time, the fourth electric cylinder 77 drives the rack 78 to move, the rack 78 drives the gear 76 to rotate, and the gear 76 drives the rotating rod 75 and the magnetic clamp 73 to rotate. At this time, the magnetic clamp 73 drives the cylinder 11 to rotate so that the height of the cylinder 11 is consistent with the height of the first clamping block 84. At this time, the fifth electric cylinder 79 retracts and drives the moving frame 71 and the magnetic clamp 73 and other components to move. At this time, the cylinder 11 moves to the top of the slide table 10, and the sixth electric cylinder 82 and the seventh electric cylinder 88 are activated. The sixth electric cylinder 82 drives the connecting plate 810 and the slide rod 83 to move. At this time, one end of the first clamping block 84 abuts against one end of the cylinder 11. The seventh electric cylinder 88 drives the fixed frame 86 and the motor 87 to move. At this time, the second clamping block 85 abuts the other end of the cylinder 11, and the welding torch 14 welds the two ends of the cylinder 11. The motor 87 drives the second clamping block 85 to rotate, and the second clamping block 85 causes the cylinder 11 and the first clamping block 84 to rotate simultaneously, so that the welding torch 14 can evenly weld the two ends of the cylinder 11 in one circle. After the welding is completed, the sixth electric cylinder 82 and the seventh electric cylinder 88 drive the first clamping block 84 and the second clamping block 85 to retract and no longer clamp the cylinder 11. The cylinder 11 falls onto the slide table 10 and slides out through the slide table 10.

[0030] The above solution has the following advantages: The cylinder 11 is fixedly fed to the bottom of the lifting device 4 by the cylinder feeding device 3, and then the cylinder 11 is lifted up by the lifting device 4. The first electric cylinder 9 drives the lifting device 4 to the assembly feeding device 7. The upper bottom and M bottom are moved to the rotary feeding mechanism 6 by the upper bottom and M bottom conveyor line 5. The rotary feeding mechanism 6 lifts the upper bottom and M bottom and drives the third electric cylinder 67 and the suction cup 68 to rotate, so that the upper bottom and M bottom correspond to the cylinder 11. At this time, the third electric cylinder 67 drives the suction cup 68 to move so that the upper bottom and M bottom are connected to the cylinder 11, thus splicing the cylinder 11. The assembly feeding device 7 moves the spliced ​​cylinder 11 to the upper part of the slide table 10. At this time, the clamping mechanism squeezes the two ends of the cylinder 11 and drives the cylinder 11 to rotate so that the welding gun 14 welds the cylinder 11 in one circle. This makes the steps simple, efficient and increases the production rate.

[0031] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. An automatic ring welding machine for fire extinguisher cylinders, characterized in that: The assembly includes a frame (2) and a mounting platform (1). The frame (2) and the mounting platform (1) are fixedly connected on the side. The lower part of the frame (2) is connected to a cylinder feeding device (3) that fixes the position of the cylinder (11). The upper end of the frame (2) is connected to a first slide rail (15). The first slide rail (15) is slidably connected to a lifting device (4) that drives the cylinder (11) to rise. The upper end of the frame (2) is connected to a first electric cylinder (9). The output shaft of the first electric cylinder (9) is fixedly connected to the side of the lifting device (4). The upper bottom and M bottom conveyor lines (5) are connected to both sides of the frame (2). The mounting platform (1) is connected to both sides of a rotating feeding mechanism (6). The lower end of the frame (2) is connected to an assembly feeding device (7). The upper part of the mounting platform (1) is connected to both sides of a clamping device (8). The mounting platform (1) is connected to one side of a welding torch (14).

2. The automatic ring welding machine for fire extinguisher cylinders according to claim 1, characterized in that: The upper bottom and M bottom conveyor line (5) includes: a sliding groove (51), a conveyor belt (53), a second electric cylinder (54), a placement tray (55) and a placement groove (52). The sliding groove (51) is fixedly connected to the side of the frame (2). The conveyor belt (53) is fixedly connected to the inner side of the sliding groove (51). The placement groove (52) is fixedly connected to the side of the sliding groove (51). One end of the second electric cylinder (54) passes through the sliding groove (51) and is fixedly connected to the sliding groove (51). The output shaft of the second electric cylinder (54) is fixedly connected to the placement tray (55).

3. The automatic ring welding machine for fire extinguisher cylinders according to claim 1, characterized in that: The rotary feeding mechanism (6) includes: a mounting frame (61), a telescopic rod (63), a swing arm (64), a rotating shaft (65), a support rod (66), a third electric cylinder (67), and a suction cup (68). The mounting frame (61) has two parts, which are fixedly connected to the upper sides of the mounting platform (1). Both mounting platforms (1) are connected to hinge blocks (62). One end of the telescopic rod (63) is hinged to the hinge block (62), and the other end of the telescopic rod (63) is rotatably connected to the swing arm (64). The rotating shaft (65) passes through the upper part of the mounting platform (1) and is rotatably connected to it. One end of the swing arm (64) is fixedly connected to the rotating shaft (65), and the other end of the rotating shaft (65) is fixedly connected to the side of the third electric cylinder (67). The output shaft of the third electric cylinder (67) is fixedly connected to the suction cup (68).

4. The automatic ring welding machine for fire extinguisher cylinders according to claim 1, characterized in that: The assembly feeding device (7) includes: a placement frame (72), a magnetic clamp (73), a second slide rail (74), a moving frame (71), a rotating rod (75), a gear (76), a rack (78), a fourth electric cylinder (77), and a fifth electric cylinder (79). One end of the second slide rail (74) is fixedly connected to the upper part of the mounting platform (1), and the other end of the second slide rail (74) is fixedly connected to the frame (2). The moving frame (71) is slidably connected to the second slide rail (74). The placement frame (72) is fixedly connected to both sides of the moving frame (71). There are two magnetic clamps (73) arranged in an L-shape. The rotating rod (75) The rotating rod (75) passes through the lower end of two magnet clamps (73) and is fixedly connected to them. The rotating rod (75) passes through the moving frame (71) and is rotatably connected to it. The gear (76) is located in the middle of the rotating rod (75) and is fixedly connected to the rotating rod (75). One end of the fourth electric cylinder (77) is fixedly connected to the side of the moving frame (71). The output shaft of the fourth electric cylinder (77) passes through the moving frame (71) and is fixedly connected to the rack (78). The rack (78) meshes with the gear (76). One end of the fifth electric cylinder (79) is fixedly connected to the lower part of the fixed platform. The output shaft of the fifth electric cylinder (79) is fixedly connected to the moving frame (71).

5. An automatic ring welding machine for fire extinguisher cylinders according to claim 1, characterized in that: The clamping device (8) includes: a mounting plate (81), a motor (87), a first clamping block (84), a fixed frame (86), a third slide rail (89), a sixth electric cylinder (82), a seventh electric cylinder (88), a connecting plate (810), a slide rod (83), and a second clamping block (85). The mounting plate (81) is fixedly connected to the upper part of the mounting platform (1). One end of the sixth electric cylinder (82) is fixedly connected to the mounting plate (81), and the output shaft of the sixth electric cylinder (82) is fixedly connected to the connecting plate (810). One end of the slide rod (83) passes through the mounting plate (81) and is connected to it. The connecting plate (810) is fixedly connected to the slide rod (83), one end of the slide rod (83) is rotatably connected to the first clamping block (84), the third slide rail (89) is fixedly connected to the upper part of the mounting platform (1), the fixed frame (86) is slidably connected to the third slide rail (89), the motor (87) is fixedly connected to the fixed frame (86), the output shaft of the motor (87) is fixedly connected to the second clamping block (85), the seventh electric cylinder (88) is fixedly connected to the upper part of the mounting platform (1), and the output shaft of the seventh electric cylinder (88) is fixedly connected to the fixed frame (86).

6. The automatic ring welding machine for fire extinguisher cylinders according to claim 1, characterized in that: A connecting frame (12) is installed on the upper part of the mounting platform (1), and a sliding plate (13) is slidably connected on the connecting frame (12). The sliding plate (13) is fixedly connected to the welding gun (14).

7. The automatic ring welding machine for fire extinguisher cylinders according to claim 1, characterized in that: The mounting platform (1) is connected to a slide (10) on its upper part.

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