Seamless steel tube welding machine for mechanical equipment machining

Abstract

The seamless steel pipe welding machine for mechanical equipment machining comprises a bottom plate and a sliding supporting frame, the sliding supporting frame is installed at the top end of the bottom plate in a sliding mode, a positioning frame is installed at the top end of the side, away from the sliding supporting frame, of the bottom plate, and a welding supporting frame is arranged on one side of the outer portion of the bottom plate. A lifting plate is slidably mounted on the outer wall of the welding supporting frame, a connecting frame is mounted on the outer wall of the lifting plate, a welding gun is mounted at the bottom end of the side, away from the lifting plate, of the connecting frame, and supporting sleeves are mounted on the outer wall of the sliding supporting frame and the outer wall of the positioning frame. According to the utility model, the steel pipe welding machine can conveniently position, clamp and fix the centers of seamless steel pipes, can conveniently and synchronously rotate, weld and process two groups of seamless steel pipes through a linkage structure, and can conveniently adjust the steel pipe welding machine to adapt to the seamless steel pipes with different lengths; and the seamless steel pipe welding efficiency of the steel pipe welding machine is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of steel pipe welding machines, specifically a seamless steel pipe welding machine for mechanical equipment processing. Background Technology

[0002] Welding technology, as one of the most important methods for assembling mechanical structures, has been widely used in production and daily life. Most spot welding machines on the market are manual. Steel pipe welding refers to the process of connecting the ends of steel pipes together through welding. Welded steel pipes are usually made by bending and welding steel plates or strips. During welding, manual welding and rotation are often used, which results in defects such as poor welding consistency and poor alignment of steel pipes.

[0003] As disclosed in the patent announcement CN219426071U, a steel pipe welding machine includes a frame, a mounting platform fixedly connected to the frame, a positioning mechanism rotatably mounted on the mounting platform, a steel pipe to be welded being sleeved on the positioning mechanism, and an adjustment platform for adjusting the position of the welding torch also mounted on the frame; the positioning mechanism includes a connecting rod driven by a motor, a sleeve detachably fitted on the connecting rod, and a locking assembly threadedly connected to the end of the sleeve away from the motor; the locking assembly includes a rotating seat with internal threads on its inner wall, a rotating handle coaxially fixedly connected to the rear end of the rotating seat, a pressing part provided at the front end of the rotating seat, and a pressing spring provided between the pressing part and the rotating seat.

[0004] Although it enables the rapid installation of steel pipes to be welded onto welding equipment, and has the functions of clamping and synchronous rotation, it significantly improves welding efficiency and quality.

[0005] However, this does not solve the problems that existing steel pipe welding machines of this type are generally not conducive to conveniently positioning and clamping seamless steel pipes at the center, not convenient to synchronously rotate and weld two sets of seamless steel pipes through a linkage structure, and not convenient to adjust the steel pipe welding machine to adapt to seamless steel pipes of different lengths, thus affecting the efficiency of the steel pipe welding machine in welding seamless steel pipes. Utility Model Content

[0006] The purpose of this utility model is to provide a seamless steel pipe welding machine for mechanical processing, so as to solve the problems mentioned in the background art, such as the inconvenience of steel pipe welding machines in centered positioning and clamping of seamless steel pipes, the inconvenience of synchronous rotation and welding of two sets of seamless steel pipes through linkage structure, and the inconvenience of steel pipe welding machines in conveniently adjusting to adapt to seamless steel pipes of different lengths, which affect the efficiency of steel pipe welding machines in welding seamless steel pipes.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a seamless steel pipe welding machine for mechanical processing, comprising a base plate and a sliding support frame. The sliding support frame is slidably installed on the top of the base plate, and a positioning frame is installed on the top of the base plate on the side away from the sliding support frame. A welding support frame is provided on the outer side of the base plate. A lifting plate is slidably installed on the outer wall of the welding support frame. A connecting frame is installed on the outer wall of the lifting plate. A welding torch is installed at the bottom end of the connecting frame on the side away from the lifting plate. Support sleeves are installed on the outer walls of both the sliding support frame and the positioning frame. Bushings are installed on the outer walls of the sliding support frame and the positioning frame on adjacent sides, and the bushings extend into the interior of the support sleeves. A drive shaft is fitted inside each bushing, and the drive shaft extends into the exterior of the bushing. A clamping seat is installed at one end of each drive shaft. Arc-shaped clamping arms are symmetrically slidably installed on the outer wall of each clamping seat. A two-way cylinder is installed inside each clamping seat. A first push rod is installed at the output end of each two-way cylinder, and the first push rod is connected to the adjacent arc-shaped clamping arm.

[0008] Preferably, a servo motor is installed at the top of the sliding support frame, and a rotating shaft is installed at the output end of the servo motor. The rotating shaft is movably connected to the sliding support frame, and a first sprocket is symmetrically fitted on the surface of the rotating shaft.

[0009] Preferably, the surface of the first sprocket is fitted with a chain, and the other end of the drive shaft is equipped with a second sprocket, with the chain extending to the surface of the second sprocket.

[0010] Preferably, the rotating shaft has a keyway inside, a drive shaft is slidably mounted inside the keyway, the drive shaft is connected to a first sprocket on the adjacent side, and the drive shaft is movably connected to the positioning frame.

[0011] Preferably, a fixing key is installed on the outer wall of the drive shaft, and the fixing key is slidably connected to the keyway.

[0012] Preferably, a first cylinder is installed on the outer wall of the base plate on one side of the sliding support frame, and a second push rod is installed at the output end of the first cylinder, and the second push rod is connected to the sliding support frame.

[0013] Preferably, slide rails are symmetrically installed at the top of the bottom plate below the sliding support frame, and sliders are symmetrically slidably installed at the top of each slide rail, with the sliding support frame connected to the sliders.

[0014] Preferably, a stepper motor is installed at the top of the welding support frame, and a threaded rod is installed at the output end of the stepper motor. The threaded rod extends to the outside of the welding support frame, and a threaded sleeve is fitted on the surface of the threaded rod, and the threaded sleeve is connected to the lifting plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the steel pipe welding machine not only realizes the convenient center positioning and clamping of seamless steel pipes, and facilitates the synchronous rotation and welding of two sets of seamless steel pipes through the linkage structure, but also facilitates the convenient adjustment of the steel pipe welding machine to adapt to seamless steel pipes of different lengths, thereby improving the efficiency of the steel pipe welding machine in welding seamless steel pipes.

[0016] (1) By placing the two sets of seamless steel pipes to be welded between the arc-shaped clamping arms on both sides, the bidirectional cylinder drives the arc-shaped clamping arms on both sides to move inward under the sliding support of the clamping seat through the first push rod, clamping the seamless steel pipes, which facilitates the steel pipe welding machine to clamp and fix the center of the seamless steel pipes. The servo motor drives the first sprocket to rotate, the first sprocket drives the chain to move, the chain drives the second sprocket to rotate, the second sprocket drives the drive shaft to rotate, under the support of the support sleeve, under the movable support of the bushing, the drive shaft drives the clamping seat to rotate, the clamping seat drives the arc-shaped clamping arm to rotate, the arc-shaped clamping arm drives the seamless steel pipe clamped on one side to rotate, the servo motor drives the rotating shaft to rotate, the rotating shaft drives the transmission shaft to rotate, and the fixed key drives the seamless steel pipe clamped on the other side to rotate, so as to facilitate the synchronous rotation through the linkage structure, which facilitates the welding gun to conveniently rotate and weld the seamless steel pipes, realizes the steel pipe welding machine to conveniently position and clamp the center of the seamless steel pipes, facilitates the synchronous rotation and welding of the two sets of seamless steel pipes through the linkage structure, and improves the efficiency of the steel pipe welding machine to weld seamless steel pipes.

[0017] (2) The first cylinder drives the sliding support frame to move through the second push rod. The sliding support frame drives the servo motor, support sleeve, bushing, clamping seat, and arc-shaped clamping arm to move synchronously. The slider slides on the surface of the slide rail to support the sliding support frame. When the sliding support frame moves, the rotating shaft moves synchronously. The rotating shaft slides on the surface of the transmission shaft. The fixed key slides inside the keyway to provide limit support, so as to prevent interference when the distance between the two sets of clamping seats is adjusted. This realizes the convenient adjustment of the steel pipe welding machine to adapt to seamless steel pipes of different lengths, and improves the convenience of clamping and welding seamless steel pipes of different lengths.

[0018] (3) The stepper motor drives the threaded rod to rotate, the threaded rod drives the threaded sleeve to move, and the threaded sleeve drives the lifting plate, connecting frame and welding gun to move, which facilitates the height adjustment of the seamless steel pipe welding machine. This realizes the convenient height adjustment of the steel pipe welding machine and improves the convenience of height adjustment during welding. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a three-dimensional structural diagram of the servo motor of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the clamping base of this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the bidirectional cylinder of this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the chain of this utility model;

[0024] Figure 6 This is a three-dimensional structural diagram of the stepper motor of this utility model;

[0025] In the diagram: 1. Base plate; 2. Sliding support frame; 3. Positioning frame; 4. Welding support frame; 5. Lifting plate; 6. Connecting frame; 7. Welding torch; 8. Support sleeve; 9. Bushing; 10. Drive shaft; 11. Clamping seat; 12. Arc-shaped clamping arm; 13. Two-way cylinder; 14. First push rod; 15. Servo motor; 16. Rotating shaft; 17. First sprocket; 18. Chain; 19. Second sprocket; 20. Keyway; 21. Transmission shaft; 22. Fixing key; 23. First cylinder; 24. Second push rod; 25. Slider; 26. Slide rail; 27. Stepper motor; 28. Threaded rod; 29. ​​Threaded sleeve. Detailed Implementation

[0026] 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.

[0027] Please see Figure 1-6This utility model provides an embodiment of a seamless steel pipe welding machine for mechanical processing, comprising a base plate 1 and a sliding support frame 2. The sliding support frame 2 is slidably mounted on the top of the base plate 1. A positioning frame 3 is mounted on the top of the base plate 1 on the side away from the sliding support frame 2. A welding support frame 4 is provided on the outer side of the base plate 1. A lifting plate 5 is slidably mounted on the outer wall of the welding support frame 4. A connecting frame 6 is mounted on the outer wall of the lifting plate 5. A welding torch 7 is mounted on the bottom end of the connecting frame 6 on the side away from the lifting plate 5. Support sleeves 8 are mounted on the outer walls of both the sliding support frame 2 and the positioning frame 3. Bushings 9 are mounted on the outer walls of the adjacent sides of the sliding support frame 2 and the positioning frame 3, and the bushings 9 extend into the interior of the support sleeves 8. Drive shafts 10 are fitted inside the bushings 9, and the drive shafts 10 extend into the exterior of the bushings 9. A clamping seat 11 is mounted on one end of each drive shaft 10. Arc-shaped clamping arms 1 are symmetrically slidably mounted on the outer wall of each clamping seat 11. 2. Each clamping seat 11 is equipped with a bidirectional cylinder 13. The output end of each bidirectional cylinder 13 is equipped with a first push rod 14, and the first push rod 14 is connected to the adjacent arc-shaped clamping arm 12. The top of the sliding support frame 2 is equipped with a servo motor 15. The output end of the servo motor 15 is equipped with a rotating shaft 16, and the rotating shaft 16 is movably connected to the sliding support frame 2. The surface of the rotating shaft 16 is symmetrically fitted with first sprockets 17, and the surface of each first sprocket 17 is fitted with a chain 18. The other end of the drive shaft 10 is equipped with a second sprocket 19, and the chain 18 extends to the surface of the second sprocket 19. The rotating shaft 16 is provided with a keyway 20. The keyway 20 is slidably installed with a transmission shaft 21, and the transmission shaft 21 is connected to the first sprocket 17 on the adjacent side. The transmission shaft 21 is movably connected to the positioning frame 3. The outer wall of the transmission shaft 21 is equipped with a fixing key 22, and the fixing key 22 is slidably connected to the keyway 20.

[0028] The two sets of seamless steel pipes to be welded are placed between the two arc-shaped clamping arms 12 on both sides. The double-acting cylinder 13 is turned on. Supported by the clamping seat 11, the double-acting cylinder 13 drives the arc-shaped clamping arms 12 on both sides to move inward under the sliding support of the clamping seat 11, clamping the seamless steel pipes. This facilitates the steel pipe welding machine to clamp and fix the seamless steel pipes in the center. The servo motor 15 is turned on. Supported by the sliding support frame 2, the servo motor 15 drives the first sprocket 17 to rotate. Under the meshing of the first sprocket 17 and the chain 18, the first sprocket 17 drives the chain 18 to move. The chain 18 drives the second sprocket 19 to rotate. The second sprocket 19 drives the drive shaft 10 to rotate. Supported by the support sleeve 8, the shaft sleeve... Under the active support of 9, the drive shaft 10 drives the clamping seat 11 to rotate, the clamping seat 11 drives the arc-shaped clamping arm 12 to rotate, the arc-shaped clamping arm 12 drives the seamless steel pipe clamped on one side to rotate, the servo motor 15 drives the rotating shaft 16 to rotate, under the limiting support of the keyway 20 and the fixed key 22, the rotating shaft 16 drives the transmission shaft 21 to rotate, and the fixed key 22 drives the seamless steel pipe clamped on the other side to rotate, so as to facilitate synchronous rotation through the linkage structure, which facilitates the welding torch 7 to conveniently rotate and weld the seamless steel pipe, realizes the convenient center positioning and clamping of the seamless steel pipe by the steel pipe welding machine, facilitates the synchronous rotation and welding of two sets of seamless steel pipes through the linkage structure, and improves the efficiency of the steel pipe welding machine in welding seamless steel pipes;

[0029] A first cylinder 23 is installed on the outer wall of the base plate 1 on one side of the sliding support frame 2. A second push rod 24 is installed at the output end of the first cylinder 23 and the second push rod 24 is connected to the sliding support frame 2. Slide rails 26 are symmetrically installed at the top of the base plate 1 below the sliding support frame 2. Sliding sliders 25 are symmetrically installed at the top of each slide rail 26 and the sliding support frame 2 is connected to the sliding sliders 25.

[0030] When the first cylinder 23 is opened, supported by the base plate 1, the first cylinder 23 drives the sliding support frame 2 to move via the second push rod 24. The sliding support frame 2 drives the seamless steel pipe held by the servo motor 15, support sleeve 8, bushing 9, clamping seat 11, and arc-shaped clamping arm 12 to move synchronously. The slider 25 slides on the surface of the slide rail 26 to support the sliding support frame 2. When the sliding support frame 2 moves, the rotating shaft 16 moves synchronously. The rotating shaft 16 slides on the surface of the transmission shaft 21. The fixed key 22 slides inside the keyway 20 to provide limit support, so as to prevent interference when the distance between the two sets of clamping seats 11 is adjusted. This realizes the convenient adjustment of the steel pipe welding machine to adapt to seamless steel pipes of different lengths, and improves the convenience of clamping and welding seamless steel pipes of different lengths.

[0031] A stepper motor 27 is installed at the top of the welding support frame 4. A threaded rod 28 is installed at the output end of the stepper motor 27, and the threaded rod 28 extends to the outside of the welding support frame 4. A threaded sleeve 29 is fitted on the surface of the threaded rod 28, and the threaded sleeve 29 is connected to the lifting plate 5.

[0032] When welding is required, stepper motor 27 is activated. Supported by welding support frame 4, stepper motor 27 drives threaded rod 28 to rotate. With the threaded connection between threaded rod 28 and threaded sleeve 29, threaded rod 28 drives threaded sleeve 29 to move. Threaded sleeve 29 then drives lifting plate 5, connecting frame 6, and welding torch 7 to move. This facilitates height-adjustable welding of seamless steel pipes by the steel pipe welding machine, realizing convenient height adjustment of the steel pipe welding machine and improving the convenience of height adjustment during welding.

[0033] In this embodiment, the following steps are taken: First, the two sets of seamless steel pipes to be welded are placed between the two arc-shaped clamping arms 12 on both sides. The bidirectional cylinder 13, via the first push rod 14, drives the arc-shaped clamping arms 12 on both sides to move inward under the sliding support of the clamping seat 11, clamping the seamless steel pipes. This facilitates the steel pipe welding machine's central clamping and fixing of the seamless steel pipes. The servo motor 15 drives the first sprocket 17 to rotate, which in turn drives the chain 18 to move. The chain 18 drives the second sprocket 19 to rotate, which in turn drives the drive shaft 10 to rotate. Under the support of the support sleeve 8 and the movable support of the bushing 9, the drive shaft 10 drives the clamping seat 11 to rotate. The clamping seat 11 drives the arc-shaped clamping arms 12 to rotate, which in turn drives the seamless steel pipe clamped on one side to rotate. The servo motor 15 drives the rotating shaft 16 to rotate. Under the limiting support of the keyway 20 and the fixed key 22, the rotating shaft 16 drives the transmission shaft 21 to rotate, and the fixed key 22 drives the other side to clamp. The seamless steel pipe rotates, facilitating synchronous rotation via a linkage structure. This allows the welding torch 7 to easily perform rotary welding on the seamless steel pipe. The first cylinder 23 drives the sliding support frame 2 to move via the second push rod 24. The sliding support frame 2 drives the seamless steel pipe held by the servo motor 15, support sleeve 8, bushing 9, clamping seat 11, and arc-shaped clamping arm 12 to move synchronously. The slider 25 slides on the surface of the slide rail 26 to support the sliding support frame 2. When the sliding support frame 2 moves, the rotating shaft 16 moves synchronously. The rotating shaft 16 slides on the surface of the transmission shaft 21. The fixed key 22 slides inside the keyway 20 to provide limiting support, preventing interference when adjusting the distance between the two sets of clamping seats 11. The stepper motor 27 drives the threaded rod 28 to rotate. The threaded rod 28 drives the threaded sleeve 29 to move. The threaded sleeve 29 drives the lifting plate 5, connecting frame 6, and welding torch 7 to move, facilitating height-adjustable welding of the seamless steel pipe by the steel pipe welding machine, thus completing the operation of the steel pipe welding machine.

Claims

1. A seamless steel pipe welding machine for mechanical processing, characterized in that: The system includes a base plate (1) and a sliding support frame (2). The sliding support frame (2) is slidably mounted on the top of the base plate (1). A positioning frame (3) is mounted on the top of the base plate (1) away from the sliding support frame (2). A welding support frame (4) is provided on the outer side of the base plate (1). A lifting plate (5) is slidably mounted on the outer wall of the welding support frame (4). A connecting frame (6) is mounted on the outer wall of the lifting plate (5). A welding torch (7) is mounted on the bottom end of the connecting frame (6) away from the lifting plate (5). Support sleeves (8) are mounted on the outer walls of both the sliding support frame (2) and the positioning frame (3). A bushing (9) is installed on the outer wall of the adjacent side of the positioning frame (3), and the bushing (9) extends into the interior of the support sleeve (8). A drive shaft (10) is installed inside the bushing (9), and the drive shaft (10) extends to the outside of the bushing (9). A clamping seat (11) is installed at one end of the drive shaft (10). An arc-shaped clamping arm (12) is symmetrically slidably installed on the outer wall of the clamping seat (11). A two-way cylinder (13) is installed inside the clamping seat (11). A first push rod (14) is installed at the output end of the two-way cylinder (13), and the first push rod (14) is connected to the adjacent arc-shaped clamping arm (12).

2. The seamless steel pipe welding machine for mechanical processing according to claim 1, characterized in that: A servo motor (15) is installed at the top of the sliding support frame (2). A rotating shaft (16) is installed at the output end of the servo motor (15), and the rotating shaft (16) is movably connected to the sliding support frame (2). A first sprocket (17) is symmetrically fitted on the surface of the rotating shaft (16).

3. The seamless steel pipe welding machine for mechanical processing according to claim 2, characterized in that: The surface of the first sprocket (17) is fitted with a chain (18), and the other end of the drive shaft (10) is fitted with a second sprocket (19), with the chain (18) extending to the surface of the second sprocket (19).

4. The seamless steel pipe welding machine for mechanical processing according to claim 2, characterized in that: The rotating shaft (16) has a keyway (20) inside, and a drive shaft (21) is slidably installed inside the keyway (20). The drive shaft (21) is connected to the first sprocket (17) on the adjacent side, and the drive shaft (21) is movably connected to the positioning frame (3).

5. A seamless steel pipe welding machine for mechanical processing according to claim 4, characterized in that: A fixing key (22) is installed on the outer wall of the drive shaft (21), and the fixing key (22) is slidably connected to the keyway (20).

6. The seamless steel pipe welding machine for mechanical processing according to claim 1, characterized in that: A first cylinder (23) is installed on the outer wall of the base plate (1) on one side of the sliding support frame (2). A second push rod (24) is installed at the output end of the first cylinder (23), and the second push rod (24) is connected to the sliding support frame (2).

7. The seamless steel pipe welding machine for mechanical processing according to claim 1, characterized in that: The top of the bottom plate (1) below the sliding support frame (2) is symmetrically equipped with slide rails (26), and the top of each slide rail (26) is symmetrically equipped with a slider (25), and the sliding support frame (2) is connected to the slider (25).

8. The seamless steel pipe welding machine for mechanical processing according to claim 1, characterized in that: A stepper motor (27) is installed at the top of the welding support frame (4). A threaded rod (28) is installed at the output end of the stepper motor (27), and the threaded rod (28) extends to the outside of the welding support frame (4). A threaded sleeve (29) is fitted on the surface of the threaded rod (28), and the threaded sleeve (29) is connected to the lifting plate (5).

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