CN115446430A

CN115446430A - Pipeline assembly welding integrated machine head

Info

Publication number: CN115446430A
Application number: CN202211259889.6A
Authority: CN
Inventors: 李�根; 赵飞; 陈韵桐; 曾惠瑞; 赵冠鹏; 邱元华; 吕江毅
Original assignee: China Nuclear Industry Fifth Construction Co Ltd
Current assignee: China Nuclear Industry Fifth Construction Co Ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2022-12-09

Abstract

The connection adjusting structure comprises a pair of oppositely arranged bottom plates and a push rod adjusting mechanism connected with the bottom plates, the pair of bottom plates form an operation space for carrying out pipeline butt joint and welding, and the push rod adjusting mechanism is used for adjusting the distance between the bottom plates; the clamping and adjusting structure comprises a first rotating mechanism, a first clamping mechanism and a guiding and adjusting mechanism, the first clamping mechanism is arranged on the first rotating mechanism and used for clamping the pipeline, the first rotating mechanism is arranged on the guiding and adjusting mechanism, the guiding and adjusting mechanism is used for driving the first rotating mechanism and the first clamping mechanism to move in at least two dimensions, and the guiding and adjusting mechanism is arranged outside one of the bottom plates; the welding structure comprises a second rotating mechanism, a welding mechanism and a second clamping mechanism. The machine head realizes the integration of butt joint and welding of the pipeline.

Description

Pipeline assembly welding integrated machine head

Technical Field

The invention relates to the field of welding equipment, in particular to the field of pipeline butt welding equipment.

Background

In the technical field of engineering installation at present, in order to ensure the welding quality of pipelines, an automatic welding mode is gradually adopted to weld butt-jointed seams of the pipelines. However, the existing pipeline assembly is still in a manual assembly stage, and automatic welding equipment needs to be erected for automatic welding after the manual assembly is finished. Meanwhile, manual assembly needs to be adjusted for many times to ensure the uniformity of assembly parameters, and welding joints and joint polishing in the process are increased, so that the welding efficiency and quality are limited to a certain extent.

In view of the above, a need exists for a tube-assembling and welding integrated head that solves the above problems.

Disclosure of Invention

The invention aims to provide a pipeline assembly and welding integrated machine head, which realizes assembly and welding integration, reduces the assembly time of pipelines and improves the assembly efficiency and the welding quality.

The pipeline assembling and welding integrated machine head comprises a connecting and adjusting structure, a clamping and adjusting structure and a welding structure, wherein the connecting and adjusting structure comprises a pair of oppositely arranged bottom plates and a push rod adjusting mechanism connected with the bottom plates, the pair of bottom plates form an operation space for carrying out pipeline butt joint and welding, and the push rod adjusting structure is used for adjusting the distance between the bottom plates so as to adjust the size of the operation space; the clamping and adjusting structure comprises a first rotating mechanism, a first clamping mechanism and a guiding and adjusting mechanism, the first clamping mechanism is arranged on the first rotating mechanism and used for clamping and adjusting a pipeline, the first rotating mechanism is arranged on the guiding and adjusting mechanism, the guiding and adjusting mechanism is used for driving the first rotating mechanism and the first clamping mechanism to move in at least two dimensions, and the guiding and adjusting mechanism is arranged outside one of the bottom plates; the welding structure comprises a second rotating mechanism, a welding mechanism and a second clamping mechanism, wherein the welding mechanism is arranged on the second rotating mechanism, is positioned in the operating space and is used for clamping the welding gun system to weld the connecting pipeline, the second rotating mechanism is arranged in the other bottom plate, and the second clamping mechanism is arranged outside the other bottom plate and is used for clamping the pipeline.

In one or more embodiments, the bottom plate includes a body, a cavity and wings located at two sides of the cavity, two ends of the push rod adjusting mechanisms are connected with the body and the wings of the pair of bottom plates, and the cavity is used for passing through the pipeline.

In one or more embodiments, each of the push rod adjustment mechanisms is capable of both ganged and unganged independent adjustment.

In one or more embodiments, the first and/or second clamping mechanism comprises a pair of open jaws with adjustable opening.

In one or more embodiments, the tubular is capable of being pulled, rotated, and moved within the first gripper mechanism, and the tubular remains stationary at the second gripper mechanism.

In one or more embodiments, the guiding and adjusting mechanism includes a first adjusting stage and a second adjusting stage, the first adjusting stage includes a first adjusting track and a first adjusting slider, the second adjusting stage is disposed on the first adjusting slider, the second adjusting stage includes a second adjusting track and a second adjusting slider, the second adjusting track and the first adjusting track are orthogonally disposed, the first rotating mechanism is disposed on the second adjusting slider, and the first adjusting stage is fixed outside one of the bottom plates through a connecting member.

In one or more embodiments, the second rotating mechanism includes a second fixing plate and a second rotating plate, the second fixing plate is disposed on one side of the other base plate facing the operating space through a connecting member, and the welding mechanism is disposed on the second rotating plate.

In one or more embodiments, the welding mechanism includes a welding gun mount and a mounting member, the mounting member is fixedly disposed on the swivel plate, and the welding gun mount is disposed on the mounting member for clamping a welding gun system.

In one or more embodiments, the mounting member includes an axial adjustment mechanism and a radial adjustment mechanism, the radial adjustment mechanism being fixedly disposed on the rotation plate, the axial adjustment mechanism being slidably disposed on the radial adjustment mechanism.

Above-mentioned pipeline group is to welding integration aircraft nose through to connecting the design arrangement of adjusting structure, centre gripping adjusting structure and welded structure, realize the group of pipeline to, adjust, realize the circumferential weld to the pipeline through welding mechanism and a plurality of rotary mechanism, and then the integration has realized group in step to and has welded, improved group to welded effect, improved group to welding efficiency, promoted group to welded automation level, and then shorten group to periodic time

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of one embodiment of a pipe pairing and welding integrated hand piece.

FIG. 2 is a schematic view of one embodiment of a connection adjustment mechanism.

FIG. 3 is a schematic view of one embodiment of a clamp adjustment mechanism.

FIG. 4 is a schematic view of one embodiment of a first clamping mechanism.

FIG. 5 is a schematic view of one embodiment of a guide adjustment mechanism.

FIG. 6 is a schematic view of one embodiment of a welded structure.

Figure 7 is a schematic view of one embodiment of a first rotary mechanism.

FIG. 8 is a schematic view of one embodiment of a welded structure.

Detailed Description

The present invention is further described in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from those described herein, and it will be readily appreciated by those skilled in the art that the present invention can be implemented in many different forms without departing from the spirit and scope of the invention.

It is noted that these and other figures which follow are merely exemplary and not drawn to scale and should not be considered as limiting the scope of the invention as it is actually claimed.

The pipeline assembly and welding integrated machine head is used for integrally realizing the assembly, clamping and welding processes of pipelines. Referring to fig. 1, the pipe pair-welding integrated head includes a connection adjusting structure 10, a clamping adjusting structure 20, and a welding structure 30.

The connection adjusting structure 10 comprises a pair of bottom plates 11 arranged in opposite directions and a push rod adjusting mechanism 12 connected with the bottom plates 11, the pair of bottom plates 11 form an operation space 13 for butt joint and welding of pipelines, and the push rod adjusting mechanism 12 is used for adjusting the distance between the bottom plates 11 and further adjusting the size of the operation space 13. The clamping adjustment structure 20 comprises a first rotating mechanism 21, a first clamping mechanism 22 and a guiding adjustment mechanism 23, wherein the first clamping mechanism 22 is arranged on the first rotating mechanism 21 and is used for clamping and adjusting the pipeline, such as the size and position parameters of the pipeline, such as the extending amount, the welding position and the like.

The first rotating mechanism 21 is arranged on a guiding and adjusting mechanism 23, the guiding and adjusting mechanism 23 is used for driving the first rotating mechanism 21 and the first clamping mechanism 22 to move in at least two dimensions, and the guiding and adjusting mechanism 23 is arranged outside one of the bottom plates 11. The welding structure 30 includes a second rotating mechanism 31, a welding mechanism 33, and a second clamping mechanism 32, wherein the welding mechanism 33 is disposed on the second rotating mechanism 31 and located in the operating space 13 for clamping the welding gun system to weld the butted pipes, the second rotating mechanism 31 is disposed inside the other base plate 11, and the second clamping mechanism 32 is disposed outside the other base plate 11 for clamping the other butted pipe at the other side.

Specifically, the connection adjusting structure 10 is shown in fig. 1, and is composed of two bottom plates 11 with openings at two sides and a push rod adjusting structure 12 in the middle. The bottom plate 11 is connected and fixed by adopting a quick assembly clamping seat mode, so that the welding ends and the clamping adjusting ends of different specifications and sizes can be replaced quickly. The bottom plate 11 comprises a body 111, a cavity 112 and wings 113 positioned at two sides of the cavity 112, the body 111 and the wings 113 of a pair of bottom plates are connected at two ends of a plurality of push rod adjusting mechanisms 12, the cavity 112 is used for passing through a pipeline, and the wings 113 and the body 111 provide fixing points for fixing the clamping adjusting structure 20 and the welding structure 30 on the bottom plate 11.

The middle push rod adjusting structure 12 is used for connecting and adjusting the distance between the bottom plates 11 on the two sides, so that the axial distance between the welding mechanism on one side and the clamping mechanism on the other side is changed, and the size of the operation space 13 is adjusted.

Each push rod adjusting mechanism 12 can realize linkage adjustment and also can realize non-linkage independent adjustment. A plurality of push rods can be arranged as required, so that the assembly clearance can be uniformly adjusted in a linkage adjustment process, the purpose of adjusting the consistency of the assembly clearance is achieved, and the assembly clearance can be independently adjusted in different positions instead of in a linkage independent adjustment process, so that the purpose of adjusting the non-uniform assembly clearance in different positions is achieved.

The clamping adjusting structure 20 is understood by referring to fig. 3 to 5, the guiding adjusting mechanism 23 is fixed on the bottom plate 11 of the connecting adjusting structure 10, radial two-dimensional adjustment can be realized through the radial cross sliding table, and then the clamping adjusting end rotating mechanism and the clamping mechanism are driven to move together to adjust the misalignment of the pipeline assembly, so that the adjustment of the misalignment is realized, and the adjustment of the misalignment of the pipeline assembly is realized.

Specifically, as shown in fig. 5, the guiding and adjusting mechanism 23 includes a first adjusting table 231 and a second adjusting table 232, the first adjusting table 231 includes a first adjusting track and a first adjusting slider, the second adjusting table 232 is disposed on the first adjusting slider, the second adjusting table 232 includes a second adjusting track and a second adjusting slider, the second adjusting track and the first adjusting track are orthogonally disposed, the first rotating mechanism 21 is disposed on the second adjusting slider, and the first adjusting table 231 is fixed on the outer side of one of the bottom plates 11 through a connecting member, thereby achieving adjustment in the cross direction. Wherein the vertical direction of regulation runs through first rotary mechanism 21's center, drives the motion of direction slider through the motor drive mode, realizes the motion of cross direction, drives first rotary mechanism 21 and carries out pipeline radial motion.

The first rotating mechanism 21 is fixed on the guide adjusting mechanism 23, and the first clamping mechanism 22 is driven to rotate to clamp the pipeline at the adjusting end, so that the pipeline is rotated, the ovality of the pipeline is adjusted, and the misalignment is reduced. The first rotating mechanism 21 can be understood by referring to fig. 7, and includes a first fixed plate 211 and a first rotating plate 212, the first fixed plate 211 is fixed on the bottom plate 11 by a connecting member, and the first rotating plate 212 is driven by a first motor 213 to rotate. The first clamping mechanism 22 is fixed on the first rotating mechanism 21 and is mainly used for clamping and fixing the pipeline.

The first gripper mechanism 22 is similar in construction to the second gripper mechanism 32. As shown in fig. 4, the pipe clamp comprises an open clamp 311 with an adjustable opening and an adjusting bolt 312 for adjusting the opening, wherein the threads of the pair of adjusting bolts 312 rotate to drive the open clamp 311 below the pair of adjusting bolts to move, so as to control the distance between the pair of open clamps 311 and complete the clamping of pipes with different diameters, and the handle 313 further fixes the position of the open clamp 311 and completes the clamping of the pipes.

The quick centre gripping of pipeline is realized to open clamp 311, realizes the regulation of centre gripping size through self adjustment mechanism, can carry out different specification welding mechanism's quick replacement to be suitable for the pipeline of the different pipe diameters of certain extent. Through setting up two fixture of bottom plate both sides, realize the centre gripping of butt weld both ends pipeline. The specific types of the clamping mechanism can be divided into a welding structure end clamping mechanism and a clamping adjustment structure end clamping mechanism, which correspond to the second clamping mechanism 32 on the right side and the first clamping mechanism 22 on the left side shown in fig. 1.

In some embodiments, one side of the pipe for docking can be pulled, rotated, and moved within the first gripper 22, and the other side of the pipe remains stationary within the second gripper 32. The clamping center of the second clamping mechanism 32 is consistent with the center of the second rotating mechanism 31, and the fixed positioning effect is achieved, so that the second clamping mechanism is not moved or rotated. The second clamping mechanism 32 rotates to adjust the ovality by rotating the driving pipeline, namely, the pipeline at one end is fixed, and the pipeline at one end rotates to adjust the ovality, so that the butt joint of the two pipelines is completed. The finish degree of the pipeline butt joint can be calibrated by workers or measuring tools.

The second rotating mechanism 31 is structurally close to the first rotating mechanism 21, and as shown in fig. 6, includes a second fixing plate 311 and a second rotating plate 312, the second fixing plate 311 is disposed on one side of the other base plate 11 facing the operating space 13 through a connecting member, and the welding mechanism 33 is disposed on the second rotating plate 312. The second rotating mechanism 31 is driven by the second motor 34 to rotate, and drives the welding mechanism 33 to rotate together, thereby adjusting the position of the welding gun.

Referring to fig. 8, in some embodiments, welding mechanism 33 includes a torch mount 331 and a mounting member 332, mounting member 332 fixedly disposed on swivel plate 312, and torch mount 331 disposed on mounting member 332 for clamping the torch system. The welding gun system comprises a welding gun fixing seat, a wire feeding system, a welding wire disc fixing frame and the like. For welding implementation parts, welding guns can be arranged according to requirements to realize welding of different welding methods, such as argon arc welding, consumable electrode gas shield welding and the like.

The mounting member 332 includes an axial adjustment mechanism 3322 and a radial adjustment mechanism 3321, the radial adjustment mechanism 3321 being fixedly disposed on the rotating plate 312, the axial adjustment mechanism 3322 being slidably disposed on the radial adjustment mechanism 3321. As shown in fig. 8, the torch mount 331 is provided on the axial adjustment mechanism 3322, and the torch mount 331 is driven by a motor to move axially on the axial adjustment mechanism 3322. The radial adjusting mechanism 3321 comprises a slide block which moves in the radial direction, and the axial adjusting mechanism 3322 moves radially along with the sliding movement on the radial adjusting mechanism 3321, so that the radial and axial movement of the welding gun is completed, and the circumferential welding of the pipeline is realized. The axial direction here refers to the axial direction of the pipe and the radial direction refers to the radial direction of the pipe.

The connection adjusting structure 10, the welding structure 30 and the clamping adjusting structure 20 are connected in the above way to form a pipeline assembly welding integrated machine head, a second clamping mechanism of the welding structure is clamped on a pipeline on one side of a welding seam to be welded, the position of a welding gun is kept at a groove of the welding seam, a pipeline on the other side is clamped and fixed by a first clamping mechanism 22 at the end of the clamping adjusting structure, the relative assembly ovality of the pipelines on two sides of the welding seam to be welded is adjusted through rotation of a first rotating mechanism 21, the optimal ovality state is kept through a manual observation measuring mode, adjustment of assembly misalignment quantity on two sides of a groove to be welded is carried out through radial cross adjustment of a guide adjusting mechanism 23, the optimal or technological requirement misalignment quantity is achieved through a manual observation measuring mode, and finally adjustment of assembly gaps on two sides of the groove to be welded is carried out through a connecting push rod, and the optimal or technological requirement assembly gap is achieved. Then the rotation of the rotating mechanism 1 drives the welding mechanism to move around the circumference of the pipeline groove, so that the pipeline groove is welded.

Through pipeline group to welding integration aircraft nose, can carry out pipeline group to, the welded flow goes on, need not to carry out artifical group in advance to be right, reduces construction process and personnel and drops into, and can accurate control through the mechanical regulation mode to influence the factor of automatic welding quality such as clearance, misalignment to improve welding efficiency and welding quality.

It should be noted that, the terms "first", "second", etc. are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Also, the present application uses specific words to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.

Although the present invention has been disclosed in terms of the preferred embodiment, it is not intended to limit the invention, and variations and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope defined by the claims of the present invention, unless the technical essence of the present invention departs from the content of the present invention.

Claims

1. Pipeline group is to welding integration aircraft nose, its characterized in that includes:

the connection adjusting structure (10) comprises a pair of oppositely arranged bottom plates (11) and a push rod adjusting mechanism (12) connected with the bottom plates (11), an operation space (13) for carrying out pipeline butt joint and welding is formed by the pair of bottom plates (11), and the push rod adjusting mechanism (12) is used for adjusting the distance between the bottom plates (11) so as to adjust the size of the operation space (13);

the clamping and adjusting structure (20) comprises a first rotating mechanism (21), a first clamping mechanism (22) and a guiding and adjusting mechanism (23), wherein the first clamping mechanism (22) is arranged on the first rotating mechanism (21) and used for clamping and adjusting a pipeline, the first rotating mechanism (21) is arranged on the guiding and adjusting mechanism (23), the guiding and adjusting mechanism (23) is used for driving the first rotating mechanism (21) and the first clamping mechanism (22) to move in at least two dimensions, and the guiding and adjusting mechanism (23) is arranged outside one of the bottom plates (11); and

the welding structure (30) comprises a second rotating mechanism (31), a welding mechanism (33) and a second clamping mechanism (32), wherein the welding mechanism (33) is arranged on the second rotating mechanism (31) and located in the operating space (13) and used for clamping the welding gun system to weld the butt-jointed pipeline, the second rotating mechanism (31) is arranged inside the other bottom plate (11), and the second clamping mechanism (32) is arranged outside the other bottom plate (11) and used for clamping the pipeline.

2. The pipe pairing-welding integrated machine head as set forth in claim 1, wherein the base plate (11) is a body (111), a cavity (112) and wings (113) at both sides of the cavity (112), and a plurality of the push rod adjusting mechanisms (12) are connected at both ends thereof to the body (111) and the wings (113) of a pair of base plates, the cavity (112) being used for passing the pipe.

3. A pipe pairing and welding integrated head as claimed in claim 2, wherein each of said push rod adjustment mechanisms (12) is capable of ganged adjustment as well as non-ganged independent adjustment.

4. The assembly and welding integrated head according to claim 1, characterized in that said first gripping means (22) and/or said second gripping means (32) comprise a pair of open jaws (311) of adjustable opening.

5. The assembly and welding integrated head of claim 4, wherein said pipe is able to be drawn, rotated and moved within said first gripper means (22), said pipe remaining stationary within said second gripper means (32).

6. The pipe pairing welding integrated head as set forth in claim 1, wherein the guiding adjustment mechanism (23) includes a first adjustment table (231) and a second adjustment table (232), the first adjustment table (231) includes a first adjustment track and a first adjustment slider, the second adjustment table (232) is disposed on the first adjustment slider, the second adjustment table (232) includes a second adjustment track and a second adjustment slider, the second adjustment track and the first adjustment track are disposed orthogonally, the first rotation mechanism (21) is disposed on the second adjustment slider, and the first adjustment table (231) is fixed outside one of the base plates (11) by a connecting member.

7. Pipe pairing-welding integrated head according to claim 1, characterized in that said second rotation mechanism (31) comprises a second fixed plate (311) and a second rotation plate (312), said second fixed plate (311) being arranged, by means of a connection, on the side of the other of said base plates (11) facing said operating space (13), said welding mechanism (33) being arranged on said second rotation plate (312).

8. The tube set-up and welding all-in-one handpiece of claim 7, wherein the welding mechanism (33) includes a welding gun mount (331) and a mounting member (332), the mounting member (332) being fixedly disposed on the swivel plate (312), the welding gun mount (331) being disposed on the mounting member (332) for clamping a welding gun system.

9. The pipe pairing welding integrated head of claim 8, wherein the mounting member (332) includes an axial adjustment mechanism (3322) and a radial adjustment mechanism (3321), the radial adjustment mechanism (3321) being fixedly disposed on the rotating plate (312), the axial adjustment mechanism (3322) being slidably disposed on the radial adjustment mechanism (3321).