Welding seam welding device for welding steel pipe

Abstract

The utility model discloses a weld seam welding device for welding a steel pipe, which comprises a first aligning device, a second aligning device and a fixed connecting plate, the first aligning device and the second aligning device are symmetrically distributed, and the first aligning device and the second aligning device have the same structure; the fixed connecting plate is fixedly connected between the bottom of the first aligning device and the bottom of the second aligning device. In the welding process, the motor is started to drive the driving adjusting fluted disc to rotate, and the rotating driving adjusting fluted disc can drive the rotating gear ring to rotate, so that the rotating supporting ring and the limiting fixing ring rotate, two steel pipe ends rotate during welding, and one-circle welding treatment can be conveniently achieved.

Description

Technical Field

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

[0002] When welding steel pipes, the two ends of the steel pipes need to be accurately aligned so that the welding effect between the steel pipes to be welded can be better and the welding between the steel pipes can be accurate. However, it is inconvenient to align and adjust the end pieces between the steel pipes, making the welding between the steel pipes cumbersome, time-consuming and laborious. Therefore, a device is needed to solve the above-mentioned problems. Utility Model Content

[0003] The utility model aims to provide a weld seam welding device for a welded steel pipe to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a weld seam welding device for a welded steel pipe, comprising a first alignment device, a second alignment device and a fixed connecting plate, wherein the first alignment device and the second alignment device are symmetrically distributed, and the first alignment device and the second alignment device have the same structure, and the fixed connecting plate is fixedly connected between the bottom of the first alignment device and the bottom of the second alignment device.

[0005] Preferably, the first alignment device and the second alignment device both include a rotating support ring, a rotating gear ring, a second fixed connecting plate, an extrusion fixed end, a limit fixing ring, a first electric push rod, a support stand, a motor, a fixed mounting plate, a fixed support base, a second electric push rod and a sliding support plate, the sliding support plate is slidably clamped on the fixed support base, the fixed mounting plate is fixedly mounted on the middle part of the fixed support base, the second electric push rod is symmetrically fixedly mounted on the fixed mounting plate, the support stand is evenly fixedly mounted on the sliding support plate, and the motor is fixedly mounted on the support stand. The driving and adjusting gear disc is rotatably clamped in the middle part of the supporting frame, and the driving end of the motor is fixedly connected to the middle part of the driving and adjusting gear disc, the rotating support ring is rotatably clamped in the upper end of the supporting frame, the rotating gear ring is symmetrically fixedly mounted on the rotating support ring, the limiting fixing ring is fixedly mounted inside the rotating support ring through the second fixed connecting plate, the first electric push rod is evenly fixedly mounted inside the rotating support ring, and the driving end of the first electric push rod is slidably inserted into the inside of the limiting fixing ring, and the extrusion fixed end is fixedly connected to the front end of the first electric push rod.

[0006] Preferably, the rotating gear ring is meshingly connected to the driving and adjusting gear disc.

[0007] Preferably, the driving end of the second electric push rod is fixedly connected to the bottom of the supporting frame.

[0008] Preferably, the limiting fixing rings in the first alignment device and the second alignment device have the same height.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model can use the device for fixed installation by fixing the connecting plate. During use, the two steel pipes that need to be welded can be placed inside the limiting fixing rings in the first alignment device and the second alignment device respectively, and then the first electric push rod that is evenly fixed inside the rotating support ring is started. At this time, the front end of the first electric push rod synchronously extends out the same length, so that each extrusion fixing end inside the limiting fixing ring can squeeze and lock the outer wall of the steel pipe, so that the steel pipe that needs to be welded is clamped and centered inside the limiting fixing ring, and then the second electric push rod drives the sliding support plate and the supporting stand to slide along the fixed support base, so that the end heads of the two fixed steel pipes are aligned and contacted, which is convenient for adjustment and welding. In the welding process, the motor is started to drive the driving and adjusting toothed disc to rotate, and the rotating driving and adjusting toothed disc can drive the rotating toothed ring to rotate, thereby rotating the rotating support ring and the limiting fixing ring, so that the two steel pipe ends rotate during welding, which can conveniently realize a round of welding processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0012] Figure 2 It is a structural schematic diagram of the first alignment device of the utility model;

[0013] Figure 3 It is a side view stereoscopic structural schematic diagram of the first alignment device of the utility model.

[0014] In the figure: 1-first alignment device; 2-second alignment device; 3-fixed connecting plate; 4-rotating support ring; 5-rotating gear ring; 6-second fixed connecting plate; 7-extrusion fixed end; 8-limiting fixed ring; 9-first electric push rod, 10-support stand, 11-motor, 12-fixed mounting plate, 13-fixed support base, 14-second electric push rod, 15-sliding support plate, 16-driving adjustment gear disc. DETAILED DESCRIPTION

[0015] 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.

[0016] See also Figure 1-3 The utility model provides a technical solution: a weld seam welding device for a welded steel pipe, comprising a first alignment device 1, a second alignment device 2 and a fixed connecting plate 3, the first alignment device 1 and the second alignment device 2 are symmetrically distributed, and the first alignment device 1 and the second alignment device 2 have the same structure, and the fixed connecting plate 3 is fixedly connected between the bottom of the first alignment device 1 and the second alignment device 2.

[0017] The first alignment device 1 and the second alignment device 2 both include a rotating support ring 4, a rotating gear ring 5, a second fixed connecting plate 6, an extrusion fixed end 7, a limit fixing ring 8, a first electric push rod 9, a support stand 10, a motor 11, a fixed mounting plate 12, a fixed support base 13, a second electric push rod 14 and a sliding support plate 15. The sliding support plate 15 is slidably clamped on the fixed support base 13. The fixed mounting plate 12 is fixedly mounted in the middle of the fixed support base 13. The second electric push rod 14 is symmetrically fixedly mounted on the fixed mounting plate 12. The support stand 10 is evenly fixedly mounted on the sliding support plate 15. The motor 11 is fixedly mounted on the fixed support base 13. It is fixedly installed on the supporting frame 10, the driving and adjusting gear disc 16 is rotatably clamped in the middle of the supporting frame 10, and the driving end of the motor 11 is fixedly connected to the middle of the driving and adjusting gear disc 16, the rotating support ring 4 is rotatably clamped in the upper end of the supporting frame 10, the rotating gear ring 5 is symmetrically fixedly installed on the rotating support ring 4, the limiting fixing ring 8 is fixedly installed inside the rotating support ring 4 through the second fixed connecting plate 6, the first electric push rod 9 is evenly fixedly installed inside the rotating support ring 4, and the driving end of the first electric push rod 9 is slidably inserted into the inside of the limiting fixing ring 8, and the extrusion fixed end 7 is fixedly connected to the front end of the first electric push rod 9.

[0018] The rotating gear ring 5 is meshedly connected with the driving and adjusting gear disc 16 to achieve rotational adjustment.

[0019] The driving end of the second electric push rod 14 is fixedly connected to the bottom of the supporting frame 10 and can be adjusted by lateral sliding.

[0020] The limiting fixing rings 8 in the first alignment device 1 and the second alignment device 2 have the same height, so that the ends of the steel pipes can be accurately aligned.

[0021] Working principle: During use, the device can be fixedly installed and used by fixing the connecting plate 3. During use, the two steel pipes that need to be welded can be placed inside the limiting fixing ring 8 in the first alignment device 1 and the second alignment device 2 respectively, and then the first electric push rod 9 evenly fixedly installed inside the rotating support ring 4 is started. At this time, the front end of the first electric push rod 9 is synchronously extended to the same length, so that each extrusion fixing end 7 located inside the limiting fixing ring 8 can squeeze and lock the outer wall of the steel pipe, so that the steel pipe to be welded is clamped and centered inside the limiting fixing ring 8, and then the second electric push rod 14 drives the sliding support plate 15 and the support stand 10 to slide along the fixed support base 13, so that the ends of the two fixed steel pipes are aligned and contacted, which is convenient for adjustment and welding, and during the welding process, the motor 11 is started to drive the driving adjustment gear disc 16 to rotate, and the rotating driving adjustment gear disc 16 can drive the rotating gear ring 5 to rotate, so that the rotating support ring 4 and the limiting fixing ring 8 are rotated, so that the two steel pipe ends rotate during welding, which can conveniently realize a 360° welding process.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A weld seam welding device for a welded steel pipe, comprising a first alignment device (1), a second alignment device (2) and a fixed connection plate (3), characterized in that: The first alignment device (1) and the second alignment device (2) are symmetrically distributed, and the first alignment device (1) and the second alignment device (2) have the same structure. The fixed connecting plate (3) is fixedly connected between the bottom of the first alignment device (1) and the bottom of the second alignment device (2). The first alignment device (1) and the second alignment device (2) both comprise a rotating support ring (4), a rotating gear ring (5), a second fixed connecting plate (6), an extrusion fixed end (7), a limit fixing ring (8), a first electric push rod (9), a support stand (10), a motor (11), a fixed mounting plate (12), a fixed support base (13), a second electric push rod (14), a sliding support plate (15) and a driving adjustment gear disc (16). The sliding support plate (15) is slidably clamped on the fixed support base (13). The fixed mounting plate (12) is fixedly mounted on the middle part of the fixed support base (13). The second electric push rod (14) is symmetrically fixedly mounted. On the fixed mounting plate (12), the support frame (10) is evenly fixedly mounted on the sliding support plate (15), the motor (11) is fixedly mounted on the support frame (10), the drive adjustment toothed disc (16) is rotatably clamped in the middle of the support frame (10), and the drive end of the motor (11) is fixedly connected to the middle of the drive adjustment toothed disc (16), the rotating support ring (4) is rotatably clamped in the upper end of the support frame (10), the rotating toothed ring (5) is symmetrically fixedly mounted on the rotating support ring (4), the limiting fixing ring (8) is fixedly mounted inside the rotating support ring (4) through the second fixed connecting plate (6), the first electric push rod (9) is evenly fixedly mounted inside the rotating support ring (4), and the drive end of the first electric push rod (9) is slidably inserted into the inside of the limiting fixing ring (8), and the extrusion fixing end (7) is fixedly connected to the front end of the first electric push rod (9).

2. The weld seam welding device of a welded steel pipe according to claim 1, characterized in that: The rotating gear ring (5) is meshingly connected to the driving and adjusting gear disc (16).

3. The weld seam welding device of a welded steel pipe according to claim 2, characterized in that: The driving end of the second electric push rod (14) is fixedly connected to the bottom of the supporting stand (10).

4. The weld seam welding device of a welded steel pipe according to claim 3, characterized in that: The limiting fixing rings (8) in the first alignment device (1) and the second alignment device (2) have the same height.

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