Automatic circular seam welding machine

Abstract

The utility model discloses an automatic circular seam welding machine which comprises a bottom plate and a supporting frame, the supporting frame is installed at the top end of the bottom plate, a first moving frame is installed at the top end of the supporting frame, a second moving frame is installed on the outer wall of the first moving frame, and a welding gun is installed on the outer wall of the second moving frame. A lifting air cylinder is installed at the top end of the bottom plate on one side of the supporting frame, a lifting push rod is installed at the output end of the lifting air cylinder, a lifting plate is installed at the top end of the lifting push rod, an overturning frame is installed at the top end of the lifting plate, and a rotating disc is movably installed at the top end of the overturning frame. According to the automatic circular seam welding machine, the height of the automatic circular seam welding machine can be conveniently adjusted, a hollow circular workpiece can be rapidly clamped, multi-angle inclined welding operation of the automatic circular seam welding machine on the workpiece is facilitated, multi-position circular seam welding of the workpiece by the automatic circular seam welding machine is facilitated, and the working efficiency of the automatic circular seam welding machine is improved.

Description

Technical Field

[0001] This utility model relates to the field of circumferential welder technology, specifically an automatic circumferential welder. Background Technology

[0002] The circumferential automatic welding machine is a general-purpose automatic welding equipment that can complete various circular and circumferential welds. It can be used for high-quality welding of materials such as carbon steel, low alloy steel, stainless steel, aluminum and its alloys, and can be equipped with argon arc welding, gas metal arc welding, plasma welding and other welding power sources to form a complete circumferential automatic welding system.

[0003] As disclosed in the authorization announcement number CN216882522U, a fully automatic circumferential welder includes a machine body and a control console. The control console is fixedly installed on one end of the machine body. The machine body is provided with a clamping mechanism for fixing weldments of different specifications. The clamping mechanism includes a moving part, a fastener, and an adjustment control. Grooves are provided on both sides of the other end of the machine body near the center.

[0004] Although it allows the pipe-type weldment to be placed inside the placement cylinder, and then the two cylinders on both sides move inward, thereby driving the inner fastening plate to move inward to clamp the two sides of the weldment. After clamping, the first cylinder works and moves inward, thereby driving the flange on one side to move inward. The flange moves inward, thereby driving the support column to move and press against the other end of the workpiece, thus enabling the clamping of workpieces of different lengths.

[0005] However, this does not solve the problem that existing circumferential welding machines of this type are generally not conducive to convenient height adjustment and quick clamping of hollow circular workpieces, are not convenient for automatic circumferential welding machines to perform multi-angle tilt welding operations on workpieces, and are not convenient for automatic circumferential welding machines to perform circumferential welding on workpieces at multiple positions, thus affecting the working efficiency of automatic circumferential welding machines. Utility Model Content

[0006] The purpose of this utility model is to provide an automatic circumferential welder to solve the problems mentioned in the background art, such as the inconvenience of circumferential welders in adjusting the height quickly and clamping hollow circular workpieces, the inconvenience of automatic circumferential welders in performing multi-angle tilted welding operations on workpieces, and the inconvenience of automatic circumferential welders in performing circumferential welds on workpieces at multiple positions, which affect the working efficiency of automatic circumferential welders.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automatic circumferential welder, comprising a base plate and a support frame, wherein the support frame is mounted on the top of the base plate, a first movable frame is mounted on the top of the support frame, a second movable frame is mounted on the outer wall of the first movable frame, a welding torch is mounted on the outer wall of the second movable frame, a lifting cylinder is mounted on the top of the base plate on one side of the support frame, a lifting push rod is mounted on the output end of the lifting cylinder, a lifting plate is mounted on the top of the lifting push rod, and a tilting frame is mounted on the top of the lifting plate. A rotating disk is movably mounted on the top of the rotating frame, and a clamping frame is mounted on the top of the rotating disk. A clamping cylinder is mounted on the top of the rotating disk inside the clamping frame. A clamping push rod is mounted on the output end of the clamping cylinder, and the clamping push rod extends to the outside of the clamping frame. Connecting frames are symmetrically mounted on the top of the clamping frame on one side of the clamping push rod. Rocker arms are movably mounted on the outer wall of each connecting frame. A rotating shaft is mounted on the outer wall of each connecting frame on one side of the rocker arm, and the connecting frame is movably connected to the rocker arm through the rotating shaft. Connecting arms are movably mounted on the outer wall of each rocker arm.

[0008] Preferably, a connecting pin is installed on the outer wall of the rocker arm on one side of the connecting arm, and the connecting arm is movably connected to the rocker arm through the connecting pin.

[0009] Preferably, each of the connecting arms has a connecting shaft installed on the outer wall away from the connecting pin, and the connecting arm is movably connected to the clamping push rod through the connecting shaft. Each of the rocker arms has a clamping arm installed on the outer wall away from the connecting frame.

[0010] Preferably, a servo motor is installed on the outer wall of the flipping frame, a drive shaft is installed at the output end of the servo motor, and the drive shaft extends into the interior of the flipping frame. A drive gear is fitted on the surface of the drive shaft, and a left movable shaft is movably installed on the top of the flipping frame on one side of the drive shaft.

[0011] Preferably, a driven gear is fitted on the surface of the left movable shaft, and the driven gear meshes with the driving gear. A right movable shaft is movably installed on the top of the tilting frame away from the driven gear. A tilting plate is provided on the outside of the tilting frame above the left movable shaft, and the tilting plate is fixedly connected to the right movable shaft. The right movable shaft is movably connected to the tilting frame. The left movable shaft is fixedly connected to the tilting plate, and the left movable shaft is movably connected to the tilting frame.

[0012] Preferably, a stepper motor is installed at the top of the flip plate, a drive shaft is installed at the output end of the stepper motor, and a bevel gear is installed at one end of the drive shaft.

[0013] Preferably, a fixed bushing is installed at the top of the flip plate on one side of the stepper motor, and the fixed bushing is movably connected to the transmission shaft. A rotating shaft is movably installed at the center of the flip plate, and the rotating shaft extends to the outside of the flip plate.

[0014] Preferably, the rotating shaft is connected to the rotating disk, and a conical toothed disk is installed at the bottom end of the rotating disk, and the conical toothed disk meshes with a bevel gear.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the circumferential welder not only realizes the convenient height adjustment and quick clamping of hollow circular workpieces, which facilitates the multi-angle tilt welding operation of the workpiece, but also facilitates the circumferential welder to weld the workpiece at multiple positions, thus improving the working efficiency of the automatic circumferential welder.

[0016] (1) The lifting cylinder drives the lifting push rod to move, the lifting push rod drives the lifting plate to move, and the lifting plate drives the flipping frame, rotating plate, clamping frame and clamping arm to move to a suitable height to facilitate the adjustment of the height of the clamping arm. The hollow round workpiece to be welded is placed outside the clamping arms on both sides by the manual. The clamping cylinder drives the clamping push rod to move, and the clamping push rod drives the connecting arm to move through the connecting shaft. The connecting arm drives the rocker arm to rotate around the rotating shaft under the support of the connecting frame through the connecting pin. The rocker arm drives the clamping arm to move to facilitate the clamping arm to clamp the workpiece conveniently. When welding is required, the welding gun is turned on. Under the support of the support frame, the first moving frame and the second moving frame, the welding gun welds the workpiece. This realizes the convenient height adjustment and quick clamping of the hollow round workpiece of the automatic circumferential welder, which facilitates the stable and fast clamping and welding operation of the workpiece by the automatic circumferential welder.

[0017] (2) The servo motor drives the drive shaft to rotate, the drive shaft drives the drive gear to rotate, the drive gear drives the driven gear to rotate, the driven gear drives the left movable shaft to rotate, the left movable shaft drives the tilting plate to rotate, the tilting frame supports the tilting plate via the right movable shaft, the tilting frame supports the tilting plate via the left movable shaft, the tilting plate drives the rotating shaft, rotating disk, clamping frame, rocker arm, clamping arm, and the tilting angle of the clamped workpiece to facilitate the automatic circumferential welder to perform inclined multi-angle welding on the workpiece, the stepper motor drives the transmission shaft to rotate, and the fixed bushing supports the transmission shaft. The automatic circumferential welder provides movable support, and the drive shaft drives the bevel gear to rotate. Under the meshing of the bevel gear and the bevel gear disk, the bevel gear drives the bevel gear disk to rotate, and the bevel gear disk drives the rotating disk to rotate. The rotating shaft provides movable support for the rotating disk, and the rotating disk drives the clamping frame, rocker arm, clamping arm, and the clamped workpiece to rotate, so as to facilitate the automatic circumferential welder to perform circumferential welds on the workpiece at multiple positions. This enables the automatic circumferential welder to perform multi-angle inclined welding operations on the workpiece, which facilitates the automatic circumferential welder to perform circumferential welds on the workpiece at multiple positions and improves the working efficiency of the automatic circumferential welder. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the present utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 3 This is a three-dimensional structural diagram of the flipping frame of this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the rocker arm of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the flip plate of this utility model.

[0023] In the diagram: 1. Base plate; 2. Support frame; 3. First moving frame; 4. Driven gear; 5. Second moving frame; 6. Drive gear; 7. Welding torch; 8. Lifting cylinder; 9. Lifting push rod; 10. Lifting plate; 11. Tilting frame; 12. Rotating disk; 13. Clamping frame; 14. Clamping cylinder; 15. Connecting frame; 16. Clamping push rod; 17. Connecting shaft; 18. Connecting arm; 19. Connecting pin; 20. Rocker arm; 21. Rotating shaft; 22. Clamping arm; 23. Servo motor; 24. Drive shaft; 25. Right movable shaft; 26. Tilting plate; 27. Left movable shaft; 28. Rotating shaft; 29. ​​Stepper motor; 30. Fixed bushing; 31. Transmission shaft; 32. Bevel gear; 33. Bevel gear plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0025] Please see Figure 1-5This utility model provides an embodiment of an automatic circumferential welder, comprising a base plate 1 and a support frame 2. The support frame 2 is mounted on the top of the base plate 1, and a first movable frame 3 is mounted on the top of the support frame 2. A second movable frame 5 is mounted on the outer wall of the first movable frame 3, and a welding torch 7 is mounted on the outer wall of the second movable frame 5. A lifting cylinder 8 is mounted on the top of the base plate 1 on one side of the support frame 2. A lifting push rod 9 is mounted on the output end of the lifting cylinder 8. A lifting plate 10 is mounted on the top of the lifting push rod 9. A tilting frame 11 is mounted on the top of the lifting plate 10. A rotating disk 12 is movably mounted on the top of the tilting frame 11. A clamping frame 13 is mounted on the top of the rotating disk 12 inside the clamping frame 13. A clamping cylinder 14 is mounted on the top of the rotating disk 12 inside the clamping frame 13. A clamping push rod 16 is mounted on the output end of the clamping cylinder 14. The push rod 16 extends to the outside of the clamping frame 13. A connecting frame 15 is symmetrically installed on the top of the clamping frame 13 on one side of the push rod 16. A rocker arm 20 is movably installed on the outer wall of the connecting frame 15. A rotating shaft 21 is installed on the outer wall of the connecting frame 15 on one side of the rocker arm 20. The connecting frame 15 is movably connected to the rocker arm 20 through the rotating shaft 21. A connecting arm 18 is movably installed on the outer wall of the rocker arm 20 on one side of the connecting arm 18. A connecting pin 19 is installed on the outer wall of the rocker arm 20 on one side of the connecting arm 18. The connecting arm 18 is movably connected to the rocker arm 20 through the connecting pin 19. A connecting shaft 17 is installed on the outer wall of the connecting arm 18 on the side away from the connecting pin 19. The connecting arm 18 is movably connected to the push rod 16 through the connecting shaft 17. A clamping arm 22 is installed on the outer wall of the rocker arm 20 on the side away from the connecting frame 15.

[0026] Open the lifting cylinder 8. With the support of the base plate 1, the lifting cylinder 8 drives the lifting push rod 9 to move. The lifting push rod 9 drives the lifting plate 10 to move. The lifting plate 10 drives the tilting frame 11, the rotating disk 12, the clamping frame 13, and the clamping arm 22 to move to a suitable height to facilitate the adjustment of the height of the clamping arm 22. The hollow circular workpiece to be welded is manually placed outside the clamping arms 22 on both sides. Open the clamping cylinder 14. With the support of the rotating disk 12, the clamping cylinder 14 drives the clamping push rod 16 to move. The clamping push rod 16 drives the connecting shaft 17 to move the connecting rod 16. The connecting arm 18 moves, and the connecting arm 18 drives the rocker arm 20 to rotate around the rotating shaft 21 under the support of the connecting frame 15 via the connecting pin 19. The rocker arm 20 drives the clamping arm 22 to move, so that the clamping arm 22 can easily clamp the workpiece. When welding is required, the welding gun 7 is turned on. Under the support of the support frame 2, the first moving frame 3, and the second moving frame 5, the welding gun 7 welds the workpiece. This realizes the convenient height adjustment and quick clamping of hollow round workpieces by the automatic circumferential welder, which facilitates the stable and fast clamping and welding operation of the automatic circumferential welder.

[0027] A servo motor 23 is mounted on the outer wall of the tilting frame 11. A drive shaft 24 is mounted on the output end of the servo motor 23 and extends into the interior of the tilting frame 11. A drive gear 6 is fitted on the surface of the drive shaft 24. A left movable shaft 27 is movably mounted on the top of the tilting frame 11 on one side of the drive shaft 24. A driven gear 4 is fitted on the surface of the left movable shaft 27 and meshes with the drive gear 6. A right movable shaft 25 is movably mounted on the top of the tilting frame 11 on the side away from the driven gear 4. A tilting plate 26 is provided on the outside of the tilting frame 11 above the left movable shaft 27, and the tilting plate 26 is fixedly connected to the right movable shaft 25. The right movable shaft 25 is movably connected to the tilting frame 11. The left movable shaft 27 is fixedly connected to the flip plate 26 and movably connected to the flip frame 11. A stepper motor 29 is installed at the top of the flip plate 26. A transmission shaft 31 is installed at the output end of the stepper motor 29. A bevel gear 32 is installed at one end of the transmission shaft 31. A fixed bushing 30 is installed at the top of the flip plate 26 on one side of the stepper motor 29 and is movably connected to the transmission shaft 31. A rotating shaft 28 is movably installed at the center of the flip plate 26 and extends to the outside of the flip plate 26. The rotating shaft 28 is connected to the rotating disk 12. A bevel gear 33 is installed at the bottom of the rotating disk 12 and meshes with the bevel gear 32.

[0028] When the workpiece needs to be rotated, the servo motor 23 is activated. Supported by the tilting frame 11, the servo motor 23 drives the drive shaft 24 to rotate. The drive shaft 24 drives the drive gear 6 to rotate. Under the meshing of the drive gear 6 and the driven gear 4, the drive gear 6 drives the driven gear 4 to rotate. The driven gear 4 drives the left movable shaft 27 to rotate. The left movable shaft 27 drives the tilting plate 26 to rotate. The tilting frame 11 provides movable support for the tilting plate 26 via the right movable shaft 25 and the left movable shaft 27. The tilting plate 26 drives the rotating shaft 28, the rotating disk 12, the clamping frame 13, the rocker arm 20, the clamping arm 22, and the tilting angle of the clamped workpiece to facilitate the automatic circumferential welder to perform tilted multi-angle welding on the workpiece. The stepper motor 2 is activated. 9. Supported by the flip plate 26, the stepper motor 29 drives the transmission shaft 31 to rotate. The fixed bushing 30 provides movable support for the transmission shaft 31. The transmission shaft 31 drives the bevel gear 32 to rotate. Under the meshing of the bevel gear 32 and the bevel gear disk 33, the bevel gear 32 drives the bevel gear disk 33 to rotate. The bevel gear disk 33 drives the rotating disk 12 to rotate. The rotating shaft 28 provides movable support for the rotating disk 12. The rotating disk 12 drives the clamping frame 13, rocker arm 20, clamping arm 22, and the clamped workpiece to rotate, so as to facilitate the automatic circumferential welder to perform circumferential welds on the workpiece at multiple positions. This realizes the automatic circumferential welder to perform multi-angle inclined welding operations on the workpiece, facilitates the automatic circumferential welder to perform circumferential welds on the workpiece at multiple positions, and improves the working efficiency of the automatic circumferential welder.

[0029] In this embodiment, during use: First, the lifting cylinder 8 moves the lifting push rod 9, which in turn moves the lifting plate 10. The lifting plate 10 then moves the tilting frame 11, rotating disk 12, clamping frame 13, and clamping arm 22 to a suitable height for easy adjustment of the clamping arm 22's height. The hollow circular workpiece to be welded is manually placed outside the clamping arms 22 on both sides. The clamping cylinder 14 moves the clamping push rod 16, which, via the connecting shaft 17, moves the connecting arm 18. The connecting arm 18, supported by the connecting frame 15 and via the connecting pin 19, drives the rocker arm 20 to rotate around the rotating shaft 21. The rocker arm 20 then moves the clamping arm 22, facilitating easy clamping of the workpiece. When welding is required, the welding torch 7 welds the workpiece. When the workpiece needs to rotate, the servo motor 23 drives the drive shaft 24 to rotate, which in turn drives the drive gear 6 to rotate. The drive gear 6 then drives the driven gear 4 to rotate, and the driven gear 4... The left movable shaft 27 rotates, which drives the flipping plate 26 to rotate. The flipping frame 11 supports the flipping plate 26 via the right movable shaft 25, and the flipping frame 11 supports the flipping plate 26 via the left movable shaft 27. The flipping plate 26 drives the rotating shaft 28, the rotating disk 12, the clamping frame 13, the rocker arm 20, the clamping arm 22, and the clamped workpiece to rotate at different angles, so as to facilitate the automatic circumferential welder to weld the workpiece at multiple angles at an inclined position. The stepper motor 29 drives the transmission shaft 31 to rotate, and the fixed bushing 30 provides movable support for the transmission shaft 31. The transmission shaft 31 drives the bevel gear 32 to rotate, the bevel gear 32 drives the bevel gear disk 33 to rotate, and the bevel gear disk 33 drives the rotating disk 12 to rotate. The rotating shaft 28 provides movable support for the rotating disk 12, and the rotating disk 12 drives the clamping frame 13, the rocker arm 20, the clamping arm 22, and the clamped workpiece to rotate, so as to facilitate the automatic circumferential welder to weld the workpiece at multiple positions, thus completing the operation of the circumferential welder.

Claims

1. An automatic circumferential welder, characterized in that: The system includes a base plate (1) and a support frame (2). The support frame (2) is mounted on the top of the base plate (1). A first movable frame (3) is mounted on the top of the support frame (2). A second movable frame (5) is mounted on the outer wall of the first movable frame (3). A welding torch (7) is mounted on the outer wall of the second movable frame (5). A lifting cylinder (8) is mounted on the top of the base plate (1) on one side of the support frame (2). A lifting push rod (9) is mounted on the output end of the lifting cylinder (8). A lifting plate (10) is mounted on the top of the lifting push rod (9). A tilting frame (11) is mounted on the top of the lifting plate (10). A rotating disk (12) is movably mounted on the top of the tilting frame (11). The top of the rotating disk (12) is... A clamping frame (13) is installed. A clamping cylinder (14) is installed at the top of the rotating disk (12) inside the clamping frame (13). A clamping push rod (16) is installed at the output end of the clamping cylinder (14), and the clamping push rod (16) extends to the outside of the clamping frame (13). A connecting frame (15) is symmetrically installed at the top of the clamping frame (13) on one side of the clamping push rod (16). A rocker arm (20) is movably installed on the outer wall of the connecting frame (15). A rotating shaft (21) is installed on the outer wall of the connecting frame (15) on one side of the rocker arm (20), and the connecting frame (15) is movably connected to the rocker arm (20) through the rotating shaft (21). A connecting arm (18) is movably installed on the outer wall of the rocker arm (20).

2. An automatic ring seam welder according to claim 1, characterized in that: Connecting pins (19) are installed on the outer wall of the rocker arm (20) on one side of the connecting arm (18), and the connecting arm (18) is movably connected to the rocker arm (20) through the connecting pins (19).

3. An automatic ring seam welder according to claim 2, characterized in that: Each connecting arm (18) has a connecting shaft (17) installed on the outer wall away from the connecting pin (19), and the connecting arm (18) is movably connected to the clamping push rod (16) through the connecting shaft (17). Each rocker arm (20) has a clamping arm (22) installed on the outer wall away from the connecting frame (15).

4. The automatic ring seam welder of claim 1, wherein: A servo motor (23) is installed on the outer wall of the flipping frame (11). A drive shaft (24) is installed at the output end of the servo motor (23), and the drive shaft (24) extends into the interior of the flipping frame (11). A drive gear (6) is fitted on the surface of the drive shaft (24), and a left movable shaft (27) is movably installed on the top of the flipping frame (11) on one side of the drive shaft (24).

5. An automatic ring seam welder according to claim 4, characterized in that: The surface of the left movable shaft (27) is fitted with a driven gear (4), and the driven gear (4) meshes with the driving gear (6). The top of the flipping frame (11) away from the driven gear (4) is movably mounted with a right movable shaft (25). A flipping plate (26) is provided on the outside of the flipping frame (11) above the left movable shaft (27), and the flipping plate (26) is fixedly connected to the right movable shaft (25). The right movable shaft (25) is movably connected to the flipping frame (11). The left movable shaft (27) is fixedly connected to the flipping plate (26), and the left movable shaft (27) is movably connected to the flipping frame (11).

6. An automatic ring seam welder according to claim 5, characterized in that: A stepper motor (29) is installed at the top of the flip plate (26), and a drive shaft (31) is installed at the output end of the stepper motor (29). A bevel gear (32) is installed at one end of the drive shaft (31).

7. An automatic ring seam welder according to claim 6, characterized in that: A fixed bushing (30) is installed on the top of the flip plate (26) on one side of the stepper motor (29), and the fixed bushing (30) is movably connected to the transmission shaft (31). A rotating shaft (28) is movably installed at the center of the flip plate (26), and the rotating shaft (28) extends to the outside of the flip plate (26).

8. An automatic circumferential welder according to claim 7, characterized in that: The rotating shaft (28) is connected to the rotating disk (12), and a conical toothed disk (33) is installed at the bottom end of the rotating disk (12), and the conical toothed disk (33) meshes with the conical gear (32).

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