Positioning device of linear submerged arc welding pipe end cutter

By designing a positioning device for the straight-slit submerged arc welded pipe head cutting machine including cylinder-driven clamping plate and inner support plate, the problems of unstable cutting and clamping damage in the prior art are solved, and stable cutting of welded pipes and Improved production efficiency.

CN222470886UActive Publication Date: 2025-02-14武汉天高焊接集团股份有限公司
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Patent Information

Application Number
CN202323376712.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-12
Publication Date
2025-02-14
Estimated Expiration
2033-12-12

AI Technical Summary

Technical Problem

The existing positioning device of the straight-slit submerged arc welded pipe head cutting machine is unstable during the cutting process, resulting in cutting deviations, and it is easy to damage the welded pipe during clamping.

Method used

A positioning device including a base, a rotating roller, a positioning assembly, an inner support assembly and a cutting assembly is designed. Through the cylinder-driven clamping plate and an inner support plate, stable clamping and inner wall support of the welded pipe are realized.

Benefits of technology

The stability and accuracy of welded pipes during the cutting process are achieved, damage and cutting deviation of welded pipes are avoided, and production efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a positioning device of a linear submerged arc welding pipe end cutter, which comprises a base, a rotating roller, a positioning component, an inner support component and a cutting component, the rotating roller is arranged above the base, the positioning component is arranged above the base, the inner support component is arranged on the positioning component, and the cutting component is arranged above the base; the positioning device is composed of the base, the rotating roller, the positioning assembly, the inner supporting assembly and the cutting assembly and used for positioning the welded pipe end cutting machine, a welded pipe enters the end cutting machine through the rotating roller, the positioning assembly can be adjusted according to the size of the outer wall of the welded pipe, the clamping plate is in an arc shape so that the welded pipe can be better clamped, and the welding pipe can be conveniently clamped. And the positioning assembly is pushed by the air cylinder, so that the clamping force can be unified, the response speed is high, the operation is simple, and the production time is greatly saved while the welded pipe is not damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of linear submerged arc welded pipe processing, in particular to a positioning device of a linear submerged arc welded pipe cutting machine. Background Art

[0002] LSAW pipe is a material formed by JCOE steel pipe, with one weld seam and submerged arc welding process. The production process of LSAW pipe is flexible and can produce any specifications and wall thickness within the production range. It is widely used in domestic heavy steel structure projects, fluid pipeline projects, and foundation piling projects.

[0003] In the process of producing straight seam submerged arc welded pipes, a head cutter is required to perform pipe cutting operations. During the operation, the welded pipe needs to be positioned first. The existing positioning device fixes the outer wall of the welded pipe, which is not very stable during the pipe cutting process. In addition, the welded pipe will be slightly damaged when clamped, resulting in cutting deviation, which requires subsequent grinding and correction. Utility Model Content

[0004] In view of the above problems, the utility model provides a positioning device for a linear submerged arc welded pipe cutting machine to solve the problem of instability of welded pipes during cutting in the prior art.

[0005] To achieve the purpose of the utility model, the utility model implements a positioning device for a linear submerged arc welding pipe cutting machine through the following technical scheme, including a base, a rotating roller, a positioning assembly, an inner support assembly and a cutting assembly, wherein a rotating roller is arranged above the base, the positioning assembly is arranged above the base, the inner support assembly is arranged on the positioning assembly, and the cutting assembly is arranged above the base;

[0006] The positioning assembly includes a side plate, a first cylinder, a clamping plate, a slide, a slide rail, a connecting rod, a turntable, a mounting plate and a cover plate. A groove is provided at one end of the side plate, a mounting plate is provided in the groove, a slide rail is provided on the outer surface of the mounting plate, a turntable is rotatably connected to the top of the mounting plate via a bearing, a cover plate is provided above the turntable, an opening for the clamping plate to move is provided on the cover plate, a slide is slidably connected to the slide rail, one end of the connecting rod is hingedly connected to the slide, and the other end is rotatably connected to the turntable via a rotating shaft, a clamping plate is provided above the slide, the first cylinder is provided on the side plate and the output end is connected to the slide, and an internal support assembly is provided at the middle position above the cover plate.

[0007] A further improvement is that the inner support assembly includes a first fixed plate, a second cylinder, a second fixed plate, a support rod and an inner support plate, the output end of the second cylinder is provided with a first fixed plate, the bottom end of the second cylinder is provided with a second fixed plate, the outer surfaces of the first fixed plate and the second fixed plate are both hingedly connected to the support rod, and the other end of the support rod is hingedly connected to the inner support plate.

[0008] Further improvements are: the cutting assembly includes a vertical plate, a horizontal plate, a threaded rod, a cutting device and a motor, a horizontal plate is arranged above the vertical plate, a groove is arranged below the horizontal plate, a threaded rod is rotatably connected in the groove, a threaded sleeve is arranged above the cutting device and is slidably connected to the threaded rod through a thread, and the motor is arranged at one end of the horizontal plate and is connected to the threaded rod through a coupling.

[0009] A further improvement is that a groove is arranged above the base, a rotating roller is arranged in the groove, baffles are arranged on both sides above the groove, and supporting feet are arranged at the four corners of the bottom of the base.

[0010] A further improvement is that an insulating rubber pad is provided on the outer surface of the inner support plate to protect the inner wall of the welded pipe, and the clamping plate is an arc-shaped structure.

[0011] The beneficial effects of the utility model are:

[0012] 1. The positioning device of the linear submerged arc welding pipe cutting machine is composed of a base, a roller, a positioning component, an inner support component and a cutting component. It is a device for positioning the welding pipe cutting machine. The welding pipe enters the cutting machine through the roller. The positioning component can be adjusted according to the size of the outer wall of the welding pipe. The clamping plate is arc-shaped and can better clamp the welding pipe. The positioning component is pushed by the cylinder, so that the clamping force can be unified, which will not cause damage to the welding pipe. At the same time, it has a fast response speed, simple operation, and greatly saves production time.

[0013] 2. The inner support assembly can support the inner wall of the welded pipe, making the welded pipe more stable during cutting. The inner support assembly can be adapted and adjusted according to the inner wall of the welded pipe through the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the positioning component and the inner support component of the utility model.

[0016] Figure 3 It is a structural schematic diagram of the inner support assembly of the utility model.

[0017] Figure 4 This is a schematic diagram of the exploded structure of the practical positioning component.

[0018] Figure 5 It is a structural schematic diagram of the positioning component of the utility model.

[0019] Figure 6 It is a structural schematic diagram of the telescopic expansion of the positioning component of the utility model.

[0020] Figure 7 It is a structural schematic diagram of the cutting assembly of the utility model.

[0021] In the figure: 1. base; 11. supporting foot; 12. baffle; 2. roller; 3. positioning assembly; 31. side plate; 32. first cylinder; 33. clamping plate; 34. slide; 35. slide rail; 36. connecting rod; 37. turntable; 38. mounting plate; 39. cover plate; 4. inner support assembly; 41. first fixed plate; 42. second cylinder; 43. second fixed plate; 44. support rod; 45. inner support plate; 5. cutting assembly; 51. vertical plate; 52. horizontal plate; 53. threaded rod; 54. cutting device; 55. motor. DETAILED DESCRIPTION

[0022] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0023] according to Figure 1-7 As shown, this embodiment proposes a solution to achieve: a positioning device for a linear submerged arc welding pipe cutting machine, comprising a base 1, a rotating roller 2, a positioning component 3, an inner support component 4 and a cutting component 5, wherein the base 1 is provided with a rotating roller 2, the positioning component 3 is provided above the base 1, the inner support component 4 is provided on the positioning component 3, and the cutting component 5 is provided above the base 1;

[0024] The positioning assembly 3 includes a side plate 31, a first cylinder 32, a clamping plate 33, a slide 34, a slide rail 35, a connecting rod 36, a turntable 37, a mounting plate 38 and a cover plate 39. A groove is provided at one end of the side plate 31, and a mounting plate 38 is provided in the groove. The outer surface of the mounting plate 38 is provided with a slide rail 35. The turntable 37 is rotatably connected to the top of the mounting plate 38 through a bearing. The cover plate 39 is provided above the turntable 37. The cover plate 39 is provided with an opening for the clamping plate 33 to move. The slide rail 35 is slidably connected to the slide 34. One end of the connecting rod 36 is hingedly connected to the slide 34, and the other end is rotatably connected to the turntable 37 through a rotating shaft. The clamping plate 33 is provided above the slide 34. The first cylinder 32 is provided on the side plate 31 and the output end is connected to the slide 34. The inner support assembly 4 is provided at the middle position above the cover plate 39.

[0025] In this embodiment, the clamping plate 33 in the positioning assembly 3 is arc-shaped, which can better adapt to the outer wall of the welding pipe and is more stable during the clamping process. The first cylinder 32 pushes the clamping plate 33 to make the clamping force of the clamping plate uniform, avoiding damage to the welding pipe due to excessive clamping force. The connecting rod 36 is hingedly connected to the clamping plate 33 and is rotatably connected to the turntable through a rotating shaft, so that multiple groups of clamping plates 33 can be synchronized. Movement.

[0026] The inner support assembly 4 includes a first fixing plate 41, a second cylinder 42, a second fixing plate 43, a support rod 44 and an inner support plate 45. The output end of the second cylinder 42 is provided with the first fixing plate 41, the bottom end of the second cylinder 42 is provided with the second fixing plate 43, the outer surfaces of the first fixing plate 41 and the second fixing plate 43 are both hingedly connected to the support rod 44, and the other end of the support rod 44 is hingedly connected to the inner support plate 45;

[0027] In this embodiment, the inner support assembly 4 pushes the first fixed plate 41 through the second cylinder 42 to allow the inner support plate 45 to support the inner wall of the weld pipe, making the weld pipe more stable during the welding process and not offset. The support rod 44 is hinged to the inner support plate 45, the first fixed plate 41 and the second fixed plate 43 respectively, so that the inner support plate 45 can be adjusted according to the size of the weld pipe.

[0028] The cutting assembly 5 includes a vertical plate 51, a horizontal plate 52, a threaded rod 53, a cutting device 54 and a motor 55. The horizontal plate 52 is arranged above the vertical plate 51, and a groove is arranged below the horizontal plate 52. The threaded rod 53 is rotatably connected in the groove. A threaded sleeve is arranged above the cutting device 54 and is slidably connected to the threaded rod 53 through threads. The motor 55 is arranged at one end of the horizontal plate 52 and is connected to the threaded rod 53 through a coupling.

[0029] In this embodiment, the cutting device 54 is composed of a cylinder, a mounting plate, a cutting knife and a motor. A threaded sleeve is provided at the top of the cylinder and is slidably connected to the threaded rod 53 through a thread. A mounting plate is provided at the output end of the cylinder, a motor is provided below the mounting plate, and a cutting knife is provided at the output end of the motor.

[0030] A groove is provided above the base 1, a rotating roller 2 is provided in the groove, baffles 12 are provided on both sides above the groove, and supporting feet 11 are provided at the four corners of the bottom of the base 1;

[0031] The outer surface of the inner support plate 45 is provided with an insulating rubber pad to protect the inner wall of the welding pipe. The clamping plate 33 is an arc-shaped structure.

[0032] When the user needs to use it, the welded pipe enters the head cutting machine through the roller 2, the positioning component 3 can be adjusted according to the size of the outer wall of the welded pipe, the clamping plate 33 is arc-shaped, which can better clamp the welded pipe, and the inner support component 4 clamps the inner wall of the welded pipe, so that the welded pipe is more stable during the welding process and will not shift, resulting in the welding quality of the welded pipe requiring later inspection or even re-welding.

[0033] The positioning device of the linear submerged arc welding pipe cutting machine is composed of a base 1, a roller 2, a positioning component 3, an inner support component 4 and a cutting component 5, and is a device for positioning the welding pipe cutting machine. The welding pipe enters the cutting machine through the roller 2, and the positioning component 3 can be adjusted according to the size of the outer wall of the welding pipe. The clamping plate 33 is arc-shaped and can better clamp the welding pipe. The positioning component 3 is pushed by a cylinder, so that the clamping force can be unified, and the welding pipe will not be damaged. At the same time, the response speed is fast, the operation is simple, and the production time is greatly saved.

[0034] The clamping plate 33 in the positioning assembly 3 is arc-shaped, which can better adapt to the outer wall of the welded pipe and is more stable during the clamping process. The first cylinder 32 pushes the clamping plate 33 to make the clamping force of the clamping plate uniform, avoiding damage to the welded pipe due to excessive clamping force. The connecting rod 36 is hingedly connected to the clamping plate 33 and is rotatably connected to the turntable through the rotating shaft, so that multiple groups of clamping plates 33 can be moved synchronously;

[0035] The inner support assembly 4 pushes the first fixed plate 41 through the second cylinder 42 to allow the inner support plate 45 to support the inner wall of the welded pipe, so that the welded pipe is more stable during the welding process and will not deviate. The support rod 44 is hinged to the inner support plate 45, the first fixed plate 41 and the second fixed plate 43 respectively, so that the inner support plate 45 can be adjusted according to the size of the welded pipe;

[0036] The cutting device 54 is composed of a cylinder, a mounting plate, a cutting knife and a motor. A threaded sleeve is provided at the top of the cylinder and is slidably connected to the threaded rod 53 through a thread. A mounting plate is provided at the output end of the cylinder, a motor is provided below the mounting plate, and a cutting knife is provided at the output end of the motor.

[0037] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A positioning device for a linear submerged arc welding pipe cutting machine, characterized in that: The invention comprises a base (1), a rotating roller (2), a positioning assembly (3), an inner supporting assembly (4) and a cutting assembly (5), wherein the rotating roller (2) is arranged above the base (1), the positioning assembly (3) is arranged above the base (1), the inner supporting assembly (4) is arranged on the positioning assembly (3), and the cutting assembly (5) is arranged above the base (1); The positioning assembly (3) comprises a side plate (31), a first cylinder (32), a clamping plate (33), a slide table (34), a slide rail (35), a connecting rod (36), a turntable (37), a mounting plate (38) and a cover plate (39). A groove is provided at one end of the side plate (31), a mounting plate (38) is provided in the groove, a slide rail (35) is provided on the outer surface of the mounting plate (38), a turntable (37) is rotatably connected to the top of the mounting plate (38) via a bearing, and a cover plate is provided above the turntable (37). (39), the cover plate (39) is provided with an opening for the clamping plate (33) to move, the slide rail (35) is slidably connected to a slide table (34), one end of the connecting rod (36) is hingedly connected to the slide table (34), and the other end is rotatably connected to the turntable (37) through a rotating shaft, a clamping plate (33) is provided above the slide table (34), the first cylinder (32) is provided on the side plate (31) and the output end is connected to the slide table (34), and an inner support assembly (4) is provided at a middle position above the cover plate (39).

2. The positioning device of a linear submerged arc welding pipe cutting machine according to claim 1, characterized in that: The inner support assembly (4) comprises a first fixing plate (41), a second cylinder (42), a second fixing plate (43), a support rod (44) and an inner support plate (45); the output end of the second cylinder (42) is provided with the first fixing plate (41); the bottom end of the second cylinder (42) is provided with the second fixing plate (43); the outer surfaces of the first fixing plate (41) and the second fixing plate (43) are both hingedly connected to the support rod (44); the other end of the support rod (44) is hingedly connected to the inner support plate (45).

3. The positioning device of a linear submerged arc welding pipe cutting machine according to claim 1, characterized in that: The cutting assembly (5) comprises a vertical plate (51), a horizontal plate (52), a threaded rod (53), a cutting device (54) and a motor (55); the horizontal plate (52) is arranged above the vertical plate (51); a groove is arranged below the horizontal plate (52); a threaded rod (53) is rotatably connected in the groove; a threaded sleeve is arranged above the cutting device (54) and is slidably connected to the threaded rod (53) through a thread; the motor (55) is arranged at one end of the horizontal plate (52) and is connected to the threaded rod (53) through a coupling.

4. The positioning device for a linear submerged arc welding pipe cutting machine according to claim 1, characterized in that: A groove is arranged above the base (1), a rotating roller (2) is arranged in the groove, baffles (12) are arranged on both sides above the groove, and supporting feet (11) are arranged at the four corners of the bottom of the base (1).

5. The positioning device of a linear submerged arc welding pipe cutting machine according to claim 2, characterized in that: The outer surface of the inner support plate (45) is provided with an insulating rubber pad to protect the inner wall of the welding pipe, and the clamping plate (33) is an arc-shaped structure.

Citation Information

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