CN217750204U

CN217750204U - Pipeline connecting flange welding tool

Info

Publication number: CN217750204U
Application number: CN202221928086.0U
Authority: CN
Inventors: 周金胜; 喻志江; 周琦
Original assignee: Wuhan Anhuan Kesheng Environmental Protection Technology Co ltd
Current assignee: Wuhan Anhuan Kesheng Environmental Protection Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-08
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to the technical field of welding, in particular to a pipeline connecting flange welding tool, which ensures the coaxiality of a flange and a pipeline in the welding process, reduces the dependence on the experience of workers, and has high welding precision and reliability; the welding device is provided with an electric welding gun, the electric welding gun is provided with a connecting wire, and the welding device is connected with the electric welding gun through the connecting wire; still include support, workstation, two sets of fixed plates, two sets of pivots, two sets of first gears, two sets of three-jaw chuck, drive arrangement and telescoping device, workstation fixed mounting is in the support upper end, and welding set and electric welding gun all are located the workstation top, and the equal fixed mounting of two sets of fixed plates is in the workstation upper end, and two sets of pivots rotate respectively and install on two sets of fixed plates, and two sets of first gears are fixed mounting respectively in two sets of pivots.

Description

Pipeline connecting flange welding tool

Technical Field

The utility model relates to a welded technical field especially relates to a pipe connection flange welding frock.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; during the production of a pipe, it is common to weld the ends of the pipe to flanges to facilitate the flange connection with other pipes. The existing pipeline is welded with a flange by using a welding tool in the production process, the existing welding tool is shown in the attached figure 4 of the specification, and comprises a supporting plate, a supporting plate and flat tongs, wherein the supporting plate is arranged at the upper end of the supporting plate, and the flat tongs are arranged on the supporting plate; when welding a flange and a pipeline, the existing welding tool firstly clamps and fixes the flange through flat tongs, then carries the pipeline onto the flange to enable the lower end of the pipeline to be tightly attached to the upper end of the flange, and then fixedly welds the contact part of the flange and the pipeline together by using an electric welding gun; the existing welding tool is found in the using process, because the flange and the pipeline are required to be coaxial when being welded, the existing welding tool does not have a device for ensuring the flange and the pipeline to be coaxial, the flange and the pipeline can be judged to be coaxial only by depending on the experience and visual inspection of workers, the requirement on the experience of the workers is extremely high, and the reliability is poor, so that the welding tool capable of ensuring the flange and the pipeline to be coaxial is required.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a guaranteed the axiality of flange and pipeline in welding process, reduced the reliance to workman's experience, welding precision is high, pipeline connecting flange welding frock that the reliability is high.

The utility model discloses a pipeline connecting flange welding tool, which comprises a welding device and an electric welding gun, wherein the welding device is provided with the electric welding gun, the electric welding gun is provided with a connecting wire, and the welding device is connected with the electric welding gun through the connecting wire; the welding device and the electric welding gun are positioned above the workbench, the two groups of fixed plates are fixedly arranged at the upper end of the workbench, the two groups of rotating shafts are respectively rotatably arranged on the two groups of fixed plates, the two groups of first gears are respectively fixedly arranged on the two groups of rotating shafts, the driving device is arranged on the workbench and used for driving the rotation of the two groups of first gears, the telescopic device is arranged on the rotating shaft at the right side, the three-jaw chuck is fixedly arranged on the rotating shaft at the left side, the other group of three-jaw chuck is fixedly arranged on the telescopic device, and the two groups of three-jaw chucks are coaxial with the two groups of rotating shafts; firstly, clamping and fixing the left part of a pipeline through a left three-jaw chuck, clamping and fixing the right part of a flange through a right three-jaw chuck, sliding the right three-jaw chuck leftwards to enable the left end of the flange to be tightly attached to the right end of the pipeline, locking a telescopic device, aligning an electric welding gun to the connection part of the flange and the pipeline, then opening the electric welding gun to enable the electric welding gun to weld the contact part of the flange and the pipeline, simultaneously opening a driving device, driving the two groups of first gears to synchronously rotate, driving the two groups of first gears to rotate the two groups of rotating shafts, driving the left three-jaw chuck and the pipeline to rotate through the left rotating shaft, driving the flange to rotate through the three-jaw chuck through the right rotating shaft through the telescopic device, enabling the flange and the pipeline to synchronously rotate, and enabling the electric welding gun to uniformly weld the connection part of the flange and the pipeline along with the rotation of the flange and the pipeline; because the rotating shaft is coaxial with the two sets of three-jaw chucks, the flange and the pipeline can be ensured to be coaxial by clamping the pipeline and the flange by the two sets of three-jaw chucks respectively, the welding precision is improved, the dependence on the experience of workers is reduced, and the reliability is high.

Preferably, the driving device comprises two groups of driving gears, two groups of driving shafts, two groups of supporting blocks and a double-shaft motor, wherein the two groups of first gears are respectively meshed with the two groups of driving gears, the two groups of driving gears are respectively and fixedly arranged on the two groups of driving shafts, the two groups of driving shafts are respectively and rotatably arranged on the two groups of supporting blocks, the two groups of supporting blocks are both fixedly arranged at the upper end of the workbench, and the input ends of the two groups of driving shafts are respectively connected with the two groups of output ends of the double-shaft motor; the double-shaft motor is started, and the double-shaft motor enables the two groups of driving gears to drive the two groups of first gears to synchronously rotate through the two groups of driving shafts; so that the two groups of first gears rotate synchronously.

Preferably, the telescopic device comprises a connecting plate, a telescopic rod, two groups of pillars, two groups of sliding plates and a plurality of groups of bolts, the connecting plate is fixedly arranged at the left end of the right rotating shaft, the right end of the telescopic rod is fixedly arranged on the connecting plate, the left end of the telescopic rod is fixedly arranged on the three-jaw chuck on the right side, the right ends of the two groups of pillars are fixedly arranged on the connecting plate, sliding grooves are formed in the two groups of pillars, the right parts of the two groups of sliding plates are respectively arranged in the sliding grooves of the two groups of pillars in a left-right sliding mode, the left ends of the two groups of sliding plates are fixedly arranged on the three-jaw chuck, the two groups of sliding plates are respectively provided with two groups of bolts in a threaded mode, and the four groups of bolts are respectively tightly propped against the two groups of sliding plates; when the flange and the pipeline are welded, firstly, the plurality of groups of bolts are unscrewed to ensure that the plurality of groups of bolts do not tightly push the two groups of sliding plates, then the right three-jaw chuck is pushed leftwards until the flange tightly pushes the right end of the pipeline, and then the plurality of groups of bolts are screwed to ensure that the plurality of groups of bolts tightly push and fix the two groups of sliding plates on the two groups of supporting columns respectively; because the three-jaw chuck on right side can move from left to right, so it can make the flange remove according to the length of pipeline, can weld the pipeline of different length, convenient to use, the limitation is low.

Preferably, the welding device further comprises a supporting frame, a cylinder, a sliding rod, a lifting plate and a moving device, wherein the supporting frame is fixedly arranged at the upper ends of the two groups of fixing plates, the cylinder is fixedly arranged at the upper end of the supporting frame, the sliding rod is vertically and slidably arranged on the supporting frame, the upper end of the sliding rod is connected with the output end of the cylinder, the lifting plate is fixedly arranged at the lower end of the sliding rod, the welding device is fixedly arranged on the supporting frame, the moving device is arranged at the lower end of the lifting plate, and the electric welding gun is arranged on the moving device; after the flange and the pipeline are tightly pressed, firstly, opening the air cylinder, enabling the lifting plate to drive the moving device to adjust the height through the sliding rod by the air cylinder, enabling the moving device to adjust the height of the electric welding gun until the height between the output end of the electric welding gun and the pipeline is a height suitable for welding, then enabling the electric welding gun to move in the left and right directions through the moving device until the electric welding gun is aligned with the contact part of the flange and the pipeline, then opening the electric welding gun, enabling the electric welding gun to weld the flange and the pipeline, and enabling the flange and the pipeline to synchronously rotate simultaneously, so that the electric welding gun can uniformly weld the flange and the pipeline; the welding between flange and the pipeline is facilitated, the welding between the flange and the pipeline does not need to be carried out by manually holding the electric welding gun, the labor intensity is low, and the use is convenient.

Preferably, the moving device comprises a fixed block, a lead screw, a micro motor and a moving block, the fixed block is fixedly arranged at the lower end of the lifting plate, the lead screw is rotatably arranged on the fixed block, the left end of the lead screw is connected with the output end of the micro motor, the micro motor is fixedly arranged on the lifting plate, the moving block is screwed with the lead screw, the moving block is arranged on the lifting plate in a left-right sliding manner, and the electric welding gun is fixedly arranged at the lower end of the moving block; the micro motor is turned on, the micro motor drives the lead screw to rotate, and the rotating lead screw enables the electric welding gun to adjust the position in the left-right direction through the moving block until the output end of the electric welding gun is aligned with the connecting part of the flange and the pipeline; the movement of the electric welding gun is facilitated, and the convenience is improved.

Preferably, a protective cover is arranged on the double-shaft motor; through the arrangement, the welding slag with high temperature is prevented from directly dropping onto the double-shaft motor to damage the double-shaft motor, and the reliability of the double-shaft motor in the using process is improved.

Preferably, the plurality of groups of bolts are provided with handles; through the arrangement, the rotation of the bolt is facilitated, and the convenience is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the coaxiality of the flange and the pipeline in the welding process is guaranteed, the dependence on the experience of workers is reduced, the welding precision is improved, the welding of the flange and the pipeline is facilitated, and the reliability is high.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of a fixing plate, a three-jaw chuck, a rotating shaft and the like;

FIG. 3 is a schematic view of the structure of the strut, bolt and slide plate;

FIG. 4 is a schematic diagram of a prior art configuration;

in the drawings, the reference numbers: 1. a support frame; 2. a support plate; 3. flat tongs; 4. a flange; 5. a pipeline; 6. a welding device; 7. an electric welding gun; 8. a support; 9. a work table; 10. a fixing plate; 11. a rotating shaft; 12. a first gear; 14. a three-jaw chuck; 15. a drive gear; 16. a drive shaft; 17. supporting a block; 18. a double-shaft motor; 19. a connecting plate; 20. a telescopic rod; 21. a pillar; 22. a slide plate; 23. a bolt; 24. supporting a frame; 25. a cylinder; 26. a slide bar; 27. a lifting plate; 28. a fixed block; 29. a lead screw; 30. a micro motor; 31. moving the mass.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 3, a connecting wire is arranged on the welding gun 7, the welding device 6 is connected with the welding gun 7 through the connecting wire, the worktable 9 is fixedly arranged at the upper end of the bracket 8, the welding device 6 and the welding gun 7 are both positioned above the worktable 9, two groups of fixing plates 10 are both fixedly arranged at the upper end of the worktable 9, two groups of rotating shafts 11 are respectively and rotatably arranged on the two groups of fixing plates 10, two groups of first gears 12 are respectively and fixedly arranged on two groups of rotating shafts 11, one group of three-jaw chuck 14 is fixedly arranged on the rotating shaft 11 at the left side, two groups of three-jaw chucks 14 are coaxial with the two groups of rotating shafts 11, two groups of first gears 12 are respectively meshed with two groups of driving gears 15, two groups of driving gears 15 are respectively and fixedly arranged on two groups of driving shafts 16, two groups of driving shafts 16 are respectively and rotatably arranged on two groups of supporting blocks 17, and two groups of supporting blocks 17 are both fixedly arranged at the upper end of the worktable 9, the input ends of two groups of driving shafts 16 are respectively connected with two groups of output ends of a double-shaft motor 18, a connecting plate 19 is fixedly arranged at the left end of a right rotating shaft 11, the right end of a telescopic rod 20 is fixedly arranged on the connecting plate 19, the left end of the telescopic rod 20 is fixedly arranged on a three-jaw chuck 14 at the right side, the right ends of two groups of supporting columns 21 are fixedly arranged on the connecting plate 19, chutes are respectively arranged on the two groups of supporting columns 21, the right parts of two groups of sliding plates 22 are respectively arranged in chutes of the two groups of supporting columns 21 in a left-right sliding mode, the left ends of two groups of sliding plates 22 are fixedly arranged on the three-jaw chuck 14, two groups of bolts 23 are respectively screwed on the two groups of sliding plates 22, four groups of bolts 23 are respectively tightly propped against the two groups of sliding plates 22, a supporting frame 24 is fixedly arranged at the upper ends of the two groups of fixing plates 10, an air cylinder 25 is fixedly arranged at the upper end of the supporting frame 24, a sliding rod 26 is vertically slidably arranged on the supporting frame 24, and the upper end of the sliding rod 26 is connected with the output end of the air cylinder 25, the lifting plate 27 is fixedly installed at the lower end of the sliding rod 26, the welding device 6 is fixedly installed on the supporting frame 24, the fixed block 28 is fixedly installed at the lower end of the lifting plate 27, the lead screw 29 is rotatably installed on the fixed block 28, the left end of the lead screw 29 is connected with the output end of the micro motor 30, the micro motor 30 is fixedly installed on the lifting plate 27, the moving block 31 is screwed with the lead screw 29, the moving block 31 is installed on the lifting plate 27 in a left-right sliding mode, and the electric welding gun 7 is fixedly installed at the lower end of the moving block 31; firstly, the left part of a pipeline 5 is clamped and fixed through a left three-jaw chuck 14, then the right part of a flange 4 is clamped and fixed through a right three-jaw chuck 14, then a plurality of groups of bolts 23 are unscrewed, the plurality of groups of bolts 23 do not tightly push two groups of sliding plates 22, then the right three-jaw chuck 14 is pushed leftwards to tightly push the flange 4 and the right end of the pipeline 5, then the plurality of groups of bolts 23 are screwed, the plurality of groups of bolts 23 respectively tightly push and fix the two groups of sliding plates 22 on two groups of supporting columns 21, then an air cylinder 25 is opened, the air cylinder 25 drives a lifting plate 27 to drive a moving device to adjust the height through a sliding rod 26, the moving device adjusts the height of an electric welding gun 7 until the height between the output end of the electric welding gun 7 and the pipeline 5 is the height suitable for welding, then the micro motor 30 is opened, the micro motor 30 drives a lead screw 29 to rotate, and the rotating lead screw 29 enables the electric welding gun 7 to adjust the position in the left and right directions through a moving block 31, the output end of the electric welding gun 7 is aligned with the connecting part of the flange 4 and the pipeline 5, then the electric welding gun 7 is opened, the electric welding gun 7 is enabled to weld the connecting part of the flange 4 and the pipeline 5, the double-shaft motor 18 is simultaneously opened, the double-shaft motor 18 enables the two groups of driving gears 15 to drive the two groups of first gears 12 to synchronously rotate through the two groups of driving shafts 16, the two groups of first gears 12 drive the two groups of rotating shafts 11 to rotate, the rotating shaft 11 on the left side drives the three-jaw chuck 14 on the left side and the pipeline 5 to rotate, the rotating shaft 11 on the right side enables the two groups of supporting columns 21 to drive the two groups of sliding plates 22 to rotate around the rotating shaft 11 on the right side, the two groups of sliding plates 22 enable the three-jaw chuck 14 on the right side to drive the flange 4 to rotate around the rotating shaft 11 on the right side, the flange 4 and the pipeline 5 to synchronously rotate, and the flange 4 and the pipeline 5 are uniformly welded by the electric welding gun 7 in the rotating process; compared with the prior art, the coaxiality of the flange 4 and the pipeline 5 in the welding process is guaranteed, the dependence on the experience of workers is reduced, the welding precision is improved, the welding of the flange 4 and the pipeline 5 is facilitated, and the reliability is high.

The pipeline connecting flange welding tool of the utility model has the advantages that the installation mode, the connection mode or the setting mode are common mechanical modes, and the tool can be implemented as long as the beneficial effects can be achieved; the utility model discloses a welding set 6, electric welding gun 7, three-jaw chuck 14, biax motor 18, telescopic link 20, cylinder 25 and micro motor 30 of pipe connection flange welding frock are purchase on the market, and technical staff only need according to its subsidiary service instruction install and operate in this industry can, and need not the technical staff creative work in this field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific circumstances.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pipeline connecting flange welding tool comprises a welding device (6) and an electric welding gun (7), wherein the electric welding gun (7) is arranged on the welding device (6), a connecting wire is arranged on the electric welding gun (7), and the welding device (6) is connected with the electric welding gun (7) through the connecting wire; the welding device is characterized by further comprising a support (8), a workbench (9), two groups of fixing plates (10), two groups of rotating shafts (11), two groups of first gears (12), two groups of three-jaw chucks (14), a driving device and a telescopic device, wherein the workbench (9) is fixedly arranged on the support (8), the welding device (6) and the electric welding gun (7) are both located above the workbench (9), the two groups of fixing plates (10) are fixedly arranged on the upper end of the workbench (9), the two groups of rotating shafts (11) are respectively and rotatably arranged on the two groups of fixing plates (10), the two groups of first gears (12) are respectively and fixedly arranged on the two groups of rotating shafts (11), the driving device is arranged on the workbench (9), the driving device is used for driving the rotation of the two groups of first gears (12), the telescopic device is arranged on the rotating shaft (11) on the right side, the group of three-jaw chucks (14) are fixedly arranged on the rotating shaft (11) on the left side, the other group of three-jaw chucks (14) are fixedly arranged on the telescopic device, and the two groups of three-jaw chucks (14) are coaxial with the two groups of rotating shafts (11).

2. The pipe connecting flange welding tool according to claim 1, wherein the driving device comprises two groups of driving gears (15), two groups of driving shafts (16), two groups of supporting blocks (17) and a double-shaft motor (18), the two groups of first gears (12) are respectively meshed with the two groups of driving gears (15), the two groups of driving gears (15) are respectively and fixedly installed on the two groups of driving shafts (16), the two groups of driving shafts (16) are respectively and rotatably installed on the two groups of supporting blocks (17), the two groups of supporting blocks (17) are respectively and fixedly installed at the upper end of the workbench (9), and input ends of the two groups of driving shafts (16) are respectively connected with two groups of output ends of the double-shaft motor (18).

3. The pipeline connecting flange welding tool according to claim 1, wherein the telescopic device comprises a connecting plate (19), a telescopic rod (20), two groups of support columns (21), two groups of sliding plates (22) and a plurality of groups of bolts (23), the connecting plate (19) is fixedly installed at the left end of the right rotating shaft (11), the right end of the telescopic rod (20) is fixedly installed on the connecting plate (19), the left end of the telescopic rod (20) is fixedly installed on the right three-jaw chuck (14), the right ends of the two groups of support columns (21) are fixedly installed on the connecting plate (19), sliding grooves are formed in the two groups of support columns (21), the right parts of the two groups of sliding plates (22) are respectively installed in the sliding grooves of the two groups of support columns (21) in a left-right sliding mode, the left ends of the two groups of sliding plates (22) are respectively fixedly installed on the three-jaw chuck (14), the two groups of sliding plates (22) are respectively provided with two groups of bolts (23), and the four groups of bolts (23) are respectively tightly abutted against the two groups of sliding plates (22).

4. The pipe connection flange welding tool according to claim 1, further comprising a support frame (24), an air cylinder (25), a sliding rod (26), a lifting plate (27) and a moving device, wherein the support frame (24) is fixedly installed at the upper ends of the two groups of fixing plates (10), the air cylinder (25) is fixedly installed at the upper end of the support frame (24), the sliding rod (26) is vertically and slidably installed on the support frame (24), the upper end of the sliding rod (26) is connected with the output end of the air cylinder (25), the lifting plate (27) is fixedly installed at the lower end of the sliding rod (26), the welding device (6) is fixedly installed on the support frame (24), the moving device is installed at the lower end of the lifting plate (27), and the electric welding gun (7) is installed on the moving device.

5. The pipe connection flange welding tool according to claim 4, wherein the moving device comprises a fixed block (28), a lead screw (29), a micro motor (30) and a moving block (31), the fixed block (28) is fixedly installed at the lower end of the lifting plate (27), the lead screw (29) is rotatably installed on the fixed block (28), the left end of the lead screw (29) is connected with the output end of the micro motor (30), the micro motor (30) is fixedly installed on the lifting plate (27), the moving block (31) is threadedly installed with the lead screw (29), the moving block (31) is slidably installed on the lifting plate (27) from left to right, and the electric welding gun (7) is fixedly installed at the lower end of the moving block (31).

6. The pipe connection flange welding tool according to claim 2, wherein a protective cover is arranged on the double-shaft motor (18).

7. The pipe connection flange welding tool according to claim 3, wherein handles are arranged on the plurality of groups of bolts (23).