Pipe fitting welding device

Abstract

The utility model discloses a pipe fitting welding device which comprises a working table, a welding frame is welded to the working table, a driving mechanism is arranged at the end, away from the welding frame, of the working table, the driving mechanism comprises a groove formed in the working table, a movable plate is connected into the groove in a sliding mode, a vertical plate is welded to the movable plate, and the vertical plate is provided with a clamping groove. A rotating motor is fixedly connected to the outer surface of the vertical plate, the output end of the rotating motor is connected with a sleeve through a rotating shaft, fastening bolts are connected to the two ends of the sleeve in a threaded mode, one end of each fastening bolt extends into the sleeve and is connected with a fixed arc plate, and the other end of each fastening bolt is connected with a movable arc plate. And a vertical box is fixedly connected to the end, away from the vertical plate, of the moving plate, a circular cavity is formed in the vertical box, and the rotating motor works, so that the sleeve synchronously rotates along with the rotating shaft and is matched with the welding gun, the pipe fitting is automatically welded, the welding efficiency is further improved, and meanwhile the welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a pipe welding device. Background Art

[0002] Pipe fittings are a general term for parts that play the role of connection, direction change, diversion, sealing, etc. in the pipeline system. There are many types of pipe fittings, which can be divided into many categories according to their uses. They are mainly used for the transportation and discharge of fluids. However, pipeline welding is an extremely important part of pipeline production and installation, especially nowadays, the demand for pipelines is increasing, and the construction quality requirements are getting higher and higher, so pipe fitting welding is particularly important.

[0003] An existing patent (application number CN202223597775.0) discloses a pipe welding device, which mentions that in the existing welding device, when welding two pipes, first, the two pipes are fitted together so that the pipes can be at the same level during welding, and then the two pipes are welded by a welding gun. When the upper surfaces of the two pipes are welded and initially fixed together, personnel are required to manually rotate the pipe, and under the action of the ball, the pipe can be rotated in the arc clamp. However, when the personnel rotate the pipe, they cannot control the rotation speed of the pipe, which will affect the quality of the pipe welding.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a pipe welding device to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A pipe welding device comprises a workbench, a welding frame is welded on the workbench, an electric telescopic rod is welded on the center of the top end of the welding frame, a welding gun is fixedly connected to the output end of the electric telescopic rod, a driving mechanism is provided on the end of the workbench away from the welding frame, the driving mechanism comprises a groove opened on the workbench, a movable plate is slidably connected in the groove, a vertical plate is welded on the movable plate, a rotating motor is fixedly connected to the outer surface of the vertical plate, the output end of the rotating motor is connected to the sleeve through a rotating shaft, fastening bolts are threadedly connected at both ends of the sleeve, one end of the fastening bolt extends into the sleeve and is connected to the fixed arc plate, a vertical box is fixedly connected to the end of the movable plate away from the vertical plate, a circular hole is opened on the vertical box, and a clamping mechanism is provided on the other end of the workbench away from the welding frame.

[0008] Furthermore, in order to clamp the pipe fitting, the clamping mechanism includes a fixed block symmetrically welded on the workbench, the fixed block is provided with a slide groove, a slider is slidably connected in the slide groove, a first electric push rod is fixedly connected to one end of the fixed block, an output end of the first electric push rod is fixedly connected to the slider, a second electric push rod is provided on one end of the outer surface of the slider, the output end of the second electric push rod passes through the slider and is fixedly connected to the arc plate.

[0009] Furthermore, in order to stabilize another pipe fitting in the sleeve, a cavity is opened inside the vertical box, and the cavity is communicated with the circular hole. A screw rod is movably connected to the bottom of the inner surface of the cavity, and an arc-shaped clamping plate is symmetrically provided on the screw rod. One end of the screw rod extends to the outside of the vertical box and is connected to the driving motor. A guide rod is fixedly connected to the top of the inner surface of the cavity, and the guide rod is slidably connected to the arc-shaped clamping plate.

[0010] Furthermore, in order to prevent the movable plate from deflecting during the sliding process, sliding blocks are welded on both sides of the outer surface of the movable plate, and sliding grooves are symmetrically opened on the inner surface of the groove, and the sliding blocks are slidably connected to the sliding grooves.

[0011] Furthermore, in order to make the movable plate slide in the groove, a hydraulic cylinder is fixedly connected to one end of the outer surface of the workbench, a hydraulic rod is provided on the output end of the hydraulic cylinder, and one end of the hydraulic rod away from the hydraulic cylinder extends into the groove and is fixedly connected to the movable plate.

[0012] Furthermore, in order to facilitate personnel control, a controller is provided on one side of the outer surface of the workbench, and the controller is electrically connected to the first electric push rod, the second electric push rod, the hydraulic cylinder, the rotating motor, the driving motor, the electric telescopic rod and the welding gun.

[0013] Furthermore, in order to allow the pipe to rotate during the clamping process, balls are provided at equal distances on the arc-shaped clamping plate and the inner surface of the arc-shaped plate.

[0014] Furthermore, in order to facilitate the rotation of the fastening bolt, the other end of the fastening bolt extends outside the sleeve and is fixedly connected to the handlebar.

[0015] The beneficial effects of the utility model are:

[0016] 1. When welding pipe fittings, first, the second electric push rod is extended and retracted so that the pipe fitting is fixed on the workbench by the arc plate. Secondly, one end of the other pipe fitting is passed through the circular hole and the sleeve in turn and contacts the inner surface of the sleeve. At this time, the controller makes the drive motor work, and the drive motor drives the screw rod to rotate, thereby making the two arc clamping plates slide toward each other, on the one hand, the other pipe fitting is fixed on the workbench, and on the other hand, the axes of the arc clamping plate and the fixed arc plate are at the same level, thereby improving the quality of welding.

[0017] 2. Another pipe fitting is fixed in the circular cavity under the action of the arc-shaped clamping plate. At this time, the turning handle is turned to move the fastening bolt into the sleeve, so that the fixed arc plate clamps the other pipe fitting. The hydraulic cylinder and the first electric push rod are operated through the controller to fit the pipe fitting with the other pipe fitting. At this time, the electric telescopic rod drives the welding gun to move to the top of the fitting position, and the welding gun welds the top of the fitting position. During the welding process, the rotating motor is operated to make the sleeve rotate synchronously with the rotating shaft. During the rotation of the sleeve, the pipe fitting and the other pipe fitting rotate in the arc plate and the arc clamping plate, and cooperate with the welding gun, so that the pipe fittings are welded by themselves, further improving the welding efficiency and the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a pipe welding device according to an embodiment of the utility model;

[0020] Figure 2 It is a rear structural schematic diagram of a pipe welding device according to an embodiment of the utility model;

[0021] Figure 3 is a cross-sectional view of a pipe welding device according to an embodiment of the utility model;

[0022] Figure 4 It is a partial cross-sectional view of a sleeve in a pipe welding device according to an embodiment of the utility model;

[0023] Figure 5 It is a partial cross-sectional view of a vertical box in a pipe welding device according to an embodiment of the utility model.

[0024] In the figure:

[0025] 1. Workbench; 2. Fixed block; 3. Slide groove; 4. Sliding block; 5. First electric push rod; 6. Second electric push rod; 7. Arc plate; 8. Groove; 9. Moving plate; 10. Hydraulic cylinder; 11. Hydraulic rod; 12. Sliding block; 13. Sliding groove; 14. Vertical plate; 15. Rotating motor; 16. Rotating shaft; 17. Sleeve; 18. Fastening bolt; 19. Turning handle; 20. Fixed arc plate; 21. Vertical box; 22. Cavity; 23. Driving motor; 24. Screw rod; 25. Guide rod; 26. Arc clamping plate; 27. Circular hole; 28. Welding frame; 29. ​​Electric telescopic rod; 30. Welding gun; 31. Controller; 32. Ball. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] According to an embodiment of the utility model, a pipe welding device is provided.

[0028] Embodiment 1;

[0029] like Figure 1 and Figure 3-Figure 5As shown, according to the pipe welding device of the embodiment of the utility model, it includes a workbench 1 for pipe processing, and support legs are welded around the bottom of the workbench 1. The setting of the support legs makes the workbench 1 stable on the ground. In order to facilitate personnel control, a controller 31 is provided on one side of the outer surface of the workbench 1, and the controller 31 is electrically connected to the power supply. A welding frame 28 is welded on the workbench 1, and an electric telescopic rod 29 is welded on the top center of the welding frame 28. The electric telescopic rod 29 is electrically connected to the controller 31 and provides the required electric energy to the power supply. A welding gun 30 is fixedly connected to the output end of the electric telescopic rod 29, and the welding gun 30 is electrically connected to the controller 31 and provides the required electric energy to the power supply. A certain length of wire is reserved for the welding gun 30 for moving the welding gun 30. A driving mechanism is provided on one end of the table 1 away from the welding frame 28, and the driving mechanism includes a groove 8 opened on the workbench 1, a moving plate 9 is slidably connected in the groove 8, and sliding blocks 12 are welded on both sides of the outer surface of the moving plate 9, and sliding grooves 13 are symmetrically opened on the inner surface of the groove 8. The sliding blocks 12 are slidably connected to the sliding grooves 13. A hydraulic cylinder 10 is fixedly installed on one end of the outer surface of the workbench 1, and the hydraulic cylinder 10 is electrically connected to the controller 31 and provides the required electric energy to the power supply. A hydraulic rod 11 is provided on the output end of the hydraulic cylinder 10, and the end of the hydraulic rod 11 away from the hydraulic cylinder 10 extends into the groove 8 and is fixedly connected to the moving plate 9. A vertical plate 14 is welded on the moving plate 9, and a rotating motor 15 is fixedly installed on the outer surface of the vertical plate 14, and the rotating motor 15 is connected to the controller The controller 31 is electrically connected and provides the required electric energy to the power supply. The output end of the rotating motor 15 is connected to the sleeve 17 through the rotating shaft 16. The two ends of the sleeve 17 are threadedly connected with fastening bolts 18. One end of the fastening bolt 18 extends into the sleeve 17 and is connected to the arc plate 20 through the bearing. The inner surface of the sleeve 17 is provided with a placement groove for fixing the arc plate 20. The other end of the fastening bolt 18 extends to the outside of the sleeve 17 and is fixedly connected to the turning handle 19. A vertical box 21 is welded to the end of the movable plate 9 away from the vertical plate 14. A circular hole 27 is opened on the vertical box 21. A cavity 22 is opened inside the vertical box 21. The cavity 22 is communicated with the circular hole 27. A screw rod 24 is movably connected to the bottom of the inner surface of the cavity 22. The screw rod 24 and the A bearing is provided at the connection of the cavity 22, and an arc-shaped clamping plate 26 is symmetrically provided on the screw rod 24. The arc-shaped clamping plate 26 is threadedly connected to the screw rod 24. One end of the screw rod 24 extends to the outside of the vertical box 21 and is connected to the output end of the drive motor 23. The drive motor 23 is electrically connected to the controller 31 and provides the required electrical energy with the power supply. The drive motor 23 is fixedly installed on the outer surface of the vertical box 21, and the guide rod 25 is fixedly connected to the top of the inner surface of the cavity 22. A hole corresponding to the guide rod 25 is opened on the top of the arc-shaped clamping plate 26. The arc-shaped clamping plate 26 slides on the guide rod 25 under the action of the screw rod 24. Balls 32 are equidistantly provided on the inner surface of the arc-shaped clamping plate 26. The drive motor 23 drives the screw rod 24 to rotate, thereby causing the two arc-shaped clamping plates 26 to slide toward each other.On the one hand, the other pipe is fixed on the workbench 1, and on the other hand, the axes of the arc clamping plate 26 and the fixed arc plate 20 are at the same level, thereby improving the quality of welding. The rotating motor 15 works, so that the sleeve 17 rotates synchronously with the rotating shaft 16. The other pipe is fixed in the sleeve 17 under the action of the fastening bolt 18. During the rotation process, the sleeve 17 cooperates with the welding gun 30, so that the pipe is welded by itself, further improving the efficiency of welding and improving the quality of welding.

[0030] Embodiment 2:

[0031] See also Figure 1 and Figure 2 In order to clamp the pipe fitting, a clamping mechanism is provided on the other end of the workbench 1 away from the welding frame 28. The clamping mechanism includes a fixed block 2 symmetrically welded on the workbench 1. The fixed block 2 is provided with a T-shaped slide groove 3. A slider 4 is slidably connected in the slide groove 3. A fixed plate is welded on one end of the fixed block 2. A first electric push rod 5 is fixedly connected to the fixed plate. The first electric push rod 5 is electrically connected to the controller 31 and provides the required power to the power supply. The output end of the first electric push rod 5 is fixedly connected to the slider 4. A second electric push rod 6 is provided on one end of the outer surface of the slider 4. The second electric push rod 6 is electrically connected to the controller 31 and provides the required electric energy to the power supply. The output end of the second electric push rod 6 passes through the slider 4 and is fixedly connected to the arc plate 7. A plurality of balls 32 are provided on the inner surface of the arc plate 7. The second electric push rod 6 is controlled to work by the controller 31. The second electric push rod 6 is extended and retracted, thereby driving the two arc plates 7 to clamp the pipe fittings, so that the pipe fittings are fixed on the workbench 1. The controller 31 enables the first electric push rod 5 and the hydraulic cylinder 10 to work simultaneously, so that the pipe fitting and the other pipe fitting are fitted together, so that the welding gun 30 can weld the fitted parts.

[0032] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0033] In actual application, first, the controller 31 controls the second electric push rod 6 to work, and the second electric push rod 6 is extended and retracted, thereby driving the two arc plates 7 to clamp the pipe fitting, so that the pipe fitting is fixed on the workbench 1. Secondly, one end of the other pipe fitting passes through the circular hole 27 and the sleeve 17 in sequence and contacts the inner surface of the sleeve 17. At this time, the controller 31 makes the driving motor 23 work, and the driving motor 23 drives the screw rod 24 to rotate, thereby causing the two arc clamping plates 26 to slide toward each other, so that the other pipe fitting is fixed in the circular hole 27 under the action of the arc clamping plates 26. At this time, the turning handle 19 is rotated to move the fastening bolt 18 into the sleeve 17, thereby causing the fixed arc plate 20 to clamp the other pipe fitting. Then, the hydraulic cylinder 10 and the first electric push rod 5 are operated through the controller 31, so as to fit the pipe fitting with another pipe fitting. At this time, the controller 31 operates the electric telescopic rod 29, and the electric telescopic rod 29 drives the welding gun 30 to move to the top of the fitting position, and the welding gun 30 welds the top of the fitting position. During the welding process, the controller 31 operates the rotating motor 15, so that the sleeve 17 rotates synchronously with the rotating shaft 16. During the rotation process, the sleeve 17 causes the pipe fitting and the other pipe fitting to rotate in the arc plate 7 and the arc clamping plate 26 under the action of the ball 32, and cooperates with the welding gun 30, so that the pipe fittings can be welded by themselves, further improving the welding efficiency and the welding quality.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe welding device, comprising a workbench (1), characterized in that: A welding frame (28) is welded on the workbench (1), an electric telescopic rod (29) is welded at the center of the top end of the welding frame (28), a welding gun (30) is fixedly connected to the output end of the electric telescopic rod (29), a driving mechanism is provided on the end of the workbench (1) away from the welding frame (28), the driving mechanism comprises a groove (8) provided on the workbench (1), a movable plate (9) is slidably connected in the groove (8), a vertical plate (14) is welded on the movable plate (9), and a rotating electric rod (30) is fixedly connected on the outer surface of the vertical plate (14). The invention relates to a machine (15), wherein the output end of the rotating motor (15) is connected to a sleeve (17) through a rotating shaft (16), and fastening bolts (18) are threadedly connected to both ends of the sleeve (17), and one end of the fastening bolt (18) extends into the sleeve (17) and is connected to a fixed arc plate (20), and a vertical box (21) is fixedly connected to one end of the movable plate (9) away from the vertical plate (14), and a circular hole (27) is opened on the vertical box (21), and a clamping mechanism is provided on the other end of the workbench (1) away from the welding frame (28).

2. A pipe welding device according to claim 1, characterized in that: The clamping mechanism comprises a fixed block (2) symmetrically welded on the workbench (1), a slide groove (3) is provided on the fixed block (2), a slider (4) is slidably connected in the slide groove (3), a first electric push rod (5) is fixedly connected to one end of the fixed block (2), an output end of the first electric push rod (5) is fixedly connected to the slider (4), a second electric push rod (6) is provided on one end of the outer surface of the slider (4), and the output end of the second electric push rod (6) passes through the slider (4) and is fixedly connected to the arc plate (7).

3. A pipe welding device according to claim 2, characterized in that: A cavity (22) is provided inside the vertical box (21), and the cavity (22) is communicated with the circular hole (27). A screw rod (24) is movably connected to the bottom of the inner surface of the cavity (22), and an arc-shaped clamping plate (26) is symmetrically provided on the screw rod (24). One end of the screw rod (24) extends to the outside of the vertical box (21) and is connected to the driving motor (23). A guide rod (25) is fixedly connected to the top of the inner surface of the cavity (22), and the guide rod (25) is slidably connected to the arc-shaped clamping plate (26).

4. A pipe welding device according to claim 1, characterized in that: Sliding blocks (12) are welded on both sides of the outer surface of the movable plate (9), and sliding grooves (13) are symmetrically opened on the inner surface of the groove (8), and the sliding blocks (12) are slidably connected to the sliding grooves (13).

5. A pipe welding device according to claim 3, characterized in that: A hydraulic cylinder (10) is fixedly connected to one end of the outer surface of the workbench (1), a hydraulic rod (11) is provided on the output end of the hydraulic cylinder (10), and an end of the hydraulic rod (11) away from the hydraulic cylinder (10) extends into the groove (8) and is fixedly connected to the movable plate (9).

6. A pipe welding device according to claim 5, characterized in that: A controller (31) is provided on one side of the outer surface of the workbench (1), and the controller (31) is electrically connected to the first electric push rod (5), the second electric push rod (6), the hydraulic cylinder (10), the rotating motor (15), the driving motor (23), the electric telescopic rod (29) and the welding gun (30).

7. A pipe welding device according to claim 3, characterized in that: Rolling balls (32) are evenly spaced on the inner surfaces of the arc-shaped clamping plate (26) and the arc-shaped plate (7).

8. A pipe welding device according to claim 1, characterized in that: The other end of the fastening bolt (18) extends outside the sleeve (17) and is fixedly connected to the turning handle (19).

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