CN116038200A

CN116038200A - Pipeline welding system with feed mechanism

Info

Publication number: CN116038200A
Application number: CN202211712034.4A
Authority: CN
Inventors: 唐洪; 王丰; 吴健超; 贺俊生
Original assignee: Yueyang Goaland Energy Saving Equipment Manufacturing Co ltd
Current assignee: Yueyang Goaland Energy Saving Equipment Manufacturing Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-02

Abstract

The invention discloses a pipeline welding system with a feeding mechanism, which belongs to the field of welding equipment, and comprises a workbench, and a joint placing mechanism and a joint welding mechanism, wherein the pipeline sequentially passes through the upper end of the workbench under the drive of a feeding mechanism; the invention discloses a device for placing a connector, which comprises a connector storage part and a connector installation part, wherein the connector in the connector storage part moves to one side of the connector installation part by pushing through a material hole in a transverse driving mechanism, the connector installation part comprises a temporary plate for supporting the connector, the temporary plate is movably arranged on a support, the connector installation part further comprises clamping plates which are oppositely arranged on two sides of the connector, the clamping plates are connected with a clamping driving mechanism, the clamping driving mechanism is arranged on a cross beam, the cross beam is arranged on a lifting seat, and the lifting seat is arranged on a support and moves along the vertical direction.

Description

Pipeline welding system with feed mechanism

Technical Field

The invention relates to the field of welding equipment, in particular to a pipeline welding system with a feeding mechanism.

Background

When equipment such as an electric box, a power supply cabinet and the like is produced, parts such as joints and the like are often fixed on pipelines such as square pipes and the like in a welding mode; the existing manual welding process is that an operator places a joint on a square tube, then the operator holds a welding gun to weld the joint of the joint and the square tube, and because a plurality of joints are generally arranged on the square tube along the axial direction of the square tube, the square tube is moved during manual welding so as to change the welding position.

In the welding process, an operator is required to place the joint at the mounting hole on the pipeline, and then the welding gun is held by hand to weld; if the joint is square, the weld quality can be basically ensured. If the joint is a cylindrical special-shaped piece, the joint of the joint and the square tube is arc-shaped, so that the wiring of the welding gun is not a straight line during welding, operators do not pay attention to the welding, and the welding seams are easy to have bad phenomena such as deflection, multiple welding, less welding and the like, so that the welding quality is influenced; especially in mass production, the labor intensity of operators can be greatly increased by the operation, and the production efficiency is reduced.

Disclosure of Invention

The invention aims to solve the problems, and provides a pipeline welding system with a feeding mechanism, which can reduce the labor intensity of operators and improve the welding quality.

In order to achieve the above purpose, the invention adopts the following technical scheme: a pipeline welding system with a feeding mechanism comprises a workbench, and a joint placing mechanism and a joint welding mechanism, wherein the pipeline sequentially passes through the upper end of the workbench under the drive of a feeding mechanism; the connector placing mechanism comprises a connector storage part and a connector installation part, a connector in the connector storage part moves to one side of the connector installation part through a material hole under the pushing of the pushing driving mechanism, the connector installation part comprises a temporary plate for supporting the connector, the temporary plate is movably arranged on a support, the connector installation part further comprises clamping plates which are oppositely arranged on two sides of the connector, the clamping plates are connected with the clamping driving mechanism, the clamping driving mechanism is arranged on a cross beam, the cross beam is arranged on a lifting seat, and the lifting seat is arranged on a support and moves along the vertical direction; the joint placing mechanism places the joint on the pipeline, then the joint moves to the welding position along with the pipeline, and the welding gun rotates around the joint to finish welding.

Further, for realizing automatic welding, the joint welding mechanism comprises a movable frame, the movable frame moves along the vertical direction, the lower extreme of movable frame is provided with the carousel, and the carousel lower extreme is provided with welder, carries out welder's altitude mixture control through the lift of movable frame, drives welder round joint rotation through the carousel.

Further, in order to avoid welding in-process, connect to rock, lead to the welding to accomplish the back, connect crookedly, the carousel is annular, the movable frame lower extreme is provided with the reference column that passes the carousel, the reference column sets up with the carousel is coaxial, before welder work, the reference column is fixed the joint on square pipe or other pipelines to avoid connecting to rock at welding in-process.

Further, to accommodate connectors of different heights, the positioning posts are moved in a vertical direction.

Further, for the joint of adaptation different external diameters, the carousel lower extreme is provided with the mounting bracket, transversely be provided with the adjustment lead screw along on the mounting bracket, adjustment lead screw and sliding seat threaded connection, welder sets up on the sliding seat, adjustment lead screw and adjustment motor's output shaft.

Further, for reducing the number of operators, the connector is arranged in the connector placement box along the transverse arrangement, the connector placement box is placed in the connector storage part in the connector installation process, the connector placement box is opened at one side of the connector installation part, the connector placement box is provided with a through hole for the movable part of the pushing driving mechanism to pass through at the far end of the connector installation part, so that a plurality of connector placement boxes can be prepared at one time, operators can place the connectors in the connector placement box in the welding process, and the purpose of rapidly placing a plurality of connectors in the connector storage part is achieved by replacing the connector placement box, so that the effect that one operator takes care of a plurality of devices is achieved, and one operator is not required to watch the device.

Further, for improving automation level, connect and place the box and stack in the joint storage portion along vertical direction, be provided with loading hole and discharge opening relatively on the joint storage portion lateral wall, be provided with the drive mechanism that reloads on the workstation in joint storage portion one side, drive mechanism drives the reload board and stretches into the joint storage portion from the loading hole for the box is placed to the joint of the interior bottommost of joint storage portion is followed the discharge opening and is shifted out, after the reload board shifts out the joint installation department, the box benefit is placed to the joint of the interior bottommost of joint storage portion this moment.

Further, in order to improve the stability of clamping, the contact surface of the clamping plate and the joint is arranged into an arc shape matched with the outer wall of the joint, so that the contact area of the clamping plate and the joint is increased.

Furthermore, in order to ensure that the pipelines of the same batch are kept fixed in position in the welding process, and meanwhile, the pipelines can be moved according to the welding process, the feeding mechanism comprises bases which are respectively arranged at two sides of the pipelines, the bases move along the width direction of the pipelines, and conveying wheels are arranged on the bases along the moving direction of the pipelines in an aligned manner, and at least one conveying wheel is in transmission connection with a driving motor.

Furthermore, in order to ensure that the pipelines of the same batch are kept fixed in position in the welding process, two feeding mechanisms are arranged and are respectively matched with the positions of the joint placing mechanism and the joint welding mechanism, a reference detection unit is arranged at the front end of the upper end of the workbench in the conveying direction of the feeding mechanism, and the reference detection unit is connected with a control unit for controlling the feeding mechanism to work.

The invention has the beneficial effects that: placing the pipeline on a workbench, pushing the mounting hole on the pipeline to the joint placing mechanism by the feeding mechanism, and moving the joint to the pipeline at the moment so as to automatically complete the mounting of the joint; then this point moves to the below of welder, and welder's rotation axis and joint coaxial back, welder downwardly moving for welder alignment pipeline and joint's junction is rotatory along with welder wiring joint, with the welding joint on the pipeline, compare with artifical gun-holding welder, through welder's autogiration and lift, accomplish the welding voluntarily, in order to reduce operating personnel's intensity of labour, welder rotary path is fixed simultaneously, thereby ensures that the welding seam is stable, in order to improve welding quality.

Drawings

FIG. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic top view of the joint placement mechanism.

Fig. 3 is a schematic diagram showing the internal structure of the joint storage section in a side view.

Fig. 4 is a schematic view of the structure of the joint mounting part.

Fig. 5 is a schematic view of an assembly structure of the welding gun.

Fig. 6 is a schematic structural view of the feeding mechanism.

The text labels in the figures are expressed as: 1. a work table; 2. a pipeline; 3. a feeding mechanism; 4. a joint placement mechanism; 5. a joint welding mechanism; 6. a joint storage unit; 7. a joint mounting section; 8. a joint; 9. a pushing driving mechanism; 10. a material hole; 11. a temporary holding plate; 12. a support; 13. a clamping plate; 14. a clamping driving mechanism; 15. a cross beam; 16. a lifting seat; 17. a bracket; 18. a movable frame; 19. a turntable; 20. a welding gun; 21. positioning columns; 22. a mounting frame; 23. adjusting a screw rod; 24. a sliding seat; 25. adjusting a motor; 26. a joint placement box; 27. a reloading driving mechanism; 28. a material changing plate; 29. a base; 30. a transfer wheel; 31. and a reference detection unit.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.

Example 1: as shown in fig. 1, 2 and 4, the structure of this embodiment is as follows: the device comprises a workbench 1, and a pipeline 2 sequentially passes through a joint placing mechanism 4 and a joint welding mechanism 5 at the upper end of the workbench 1 under the drive of a feeding mechanism 3; the joint placement mechanism 4 comprises a joint storage part 6 and a joint installation part 7, a joint 8 in the joint storage part 6 moves to one side of the joint installation part 7 through a material hole 10 under the pushing of a pushing driving mechanism 9, the pushing driving mechanism 9 can adopt an electric push rod and the like, in the embodiment, the pushing driving mechanism 9 comprises a pushing screw rod, one end of the pushing screw rod is connected with an output shaft of a servo motor outside the joint storage part 6, the other end of the pushing screw rod is in threaded connection with a pushing plate, a through hole is formed in the joint storage part 6, and the pushing plate is in key connection with the inner wall of the through hole.

The joint installation part 7 comprises a temporary plate 11 for supporting the joint 8, the upper end surface of the temporary plate 11 in a normal state is horizontally arranged, the temporary plate 11 is movably arranged on the support 12, and the following modes include but are not limited to the following examples: if the temporary plate 11 can be connected with a temporary cylinder on the support 12, the temporary plate 11 is driven to move transversely by the temporary cylinder, or the temporary plate 11 is arranged on the side wall of the support 12 by a torsion spring, so that the temporary plate 11 can swing, and the temporary plate 11 is moved to be separated from the moving path of the joint in the process of installing the joint; the joint installation part 7 further comprises clamping plates 13 which are oppositely arranged at two sides of the joint 8, the contact surface of the clamping plates 13 and the joint 8 is in an arc shape matched with the outer wall of the joint 8, a rubber pad can be arranged on the contact surface, the clamping plates 13 are connected with a clamping driving mechanism 14, the clamping driving mechanism 14 is arranged along the moving direction of a pipeline, the clamping driving mechanism 14 can adopt an air cylinder, an electric push rod and the like, the clamping driving mechanism 14 is arranged on a cross beam 15, the cross beam 15 is arranged on a lifting seat 16, a support 17 is provided with a guide pillar, and the guide pillar penetrates through the lifting seat 16; meanwhile, an air cylinder is arranged on the bracket 17, and a vertical driving mechanism such as a vertical screw rod driven by a motor is connected with the lifting seat 16 to drive the lifting seat 16 to move vertically.

The specific working process comprises the following steps: the operator places the pipeline 2 on the conveying roller at the upper end of the workbench 1, then pushes the pipeline 2 to the joint placing mechanism, at the moment, the pushing driving mechanism 9 pushes the joint 8 in the joint storage part 6 to move onto the temporary holding plate 11, then the clamping plates 13 at two sides move oppositely to clamp the joint 8, then the clamping plates 13 move downwards together with the lifting seat 16, and in the moving process, the temporary holding plate 11 is separated from the moving path of the joint 8 and descends along with the clamping plates 13 to install the joint 8 on the installation hole of the pipeline. After the joint 8 is installed, the clamping plate 13 is lifted and reset, and the joint 8 and the pipeline are moved to the joint welding mechanism 5 for welding.

Example 2: as shown in fig. 1 and 5, in other structures and working processes of this embodiment may refer to embodiment 1, but in this embodiment, the joint welding mechanism 5 includes a movable frame 18, the movable frame 18 is connected with a welding gun lifting driving mechanism in the workbench 1, the welding gun lifting driving mechanism may use an electric push rod, etc., in this embodiment, the welding gun lifting driving mechanism includes a welding gun lifting motor installed in the workbench 1, an output shaft of the welding gun lifting motor is connected with a vertical screw, the vertical screw is in threaded connection with the movable frame 18, and drives the movable frame 18 to move along a vertical direction along with rotation of the welding gun lifting motor, a turntable 19 is provided at a lower end of the movable frame 18, the turntable 19 is annular, the turntable 19 may be driven by a motor and a hydraulic turntable, in this embodiment, the turntable 19 is fixedly connected with the turntable, the turntable is installed at a lower end of the movable frame 18, a circle of transmission gear is provided on an outer wall of the turntable, the transmission gear is meshed with a driving gear, the driving gear is provided on an output shaft of a rotary servo motor, and the rotary servo motor is installed on the movable frame 18.

The lower extreme of carousel 19 is provided with mounting bracket 22, transversely be provided with adjustment lead screw 23 on the mounting bracket 22, adjustment lead screw 23 and sliding seat 24 threaded connection, sliding seat 24 are key-type connection with mounting bracket 22 inside wall, and welder 20 sets up on sliding seat 24, adjustment lead screw 23 and the output shaft of adjustment motor 25

The lower end of the movable frame 18 is provided with a positioning column 21 penetrating through the turntable 19, and the positioning column 21 and the turntable 19 are coaxially arranged. The positioning column 21 moves along the vertical direction, for this purpose, a positioning driving cylinder may be arranged on the movable frame 18, a piston rod of the positioning driving cylinder is connected with the positioning column 21, or a sleeve is arranged at the lower end of the movable frame 18, and the positioning column 21 extends into the sleeve and is connected with the inner end surface of the sleeve through a spring.

The specific working process comprises the following steps: according to the outer diameter of the joint 8, the welding gun 20 is driven by the adjusting motor 25 to move transversely, so that the distance between the welding gun 20 and the rotating shaft of the turntable 19 is adjusted to adapt to different joints. While the locating post 21 presses down on the fitting 8 to secure the fitting 8 to the pipeline 2 before the gun is operated. The welding gun 20 is then rotated about the joint for welding, a home sensor may be provided at the end of the weld to enable the welding gun to automatically rotate to the start of the weld, while an overrun switch may also be provided, etc.

Example 3: as shown in fig. 2-3, in the other structure and working process of the present embodiment, reference may be made to embodiment 1, but in the present embodiment, the joints 8 are arranged in the joint placement case 26 in a transverse arrangement, and in the process of installing the joints 8, the joint placement case 26 is placed in the joint storage part 6, and the joint placement case 26 is opened at one side of the joint installation part 7, and the joint placement case 26 is provided with a through hole for passing through the movable part of the pushing driving mechanism 9 at the distal end of the joint installation part 7.

The connector placement boxes 26 are stacked in the connector storage part 6 along the vertical direction, a feeding hole and a discharging hole are relatively formed in the side wall of the connector storage part 6, a material changing driving mechanism 27 is arranged on one side of the connector storage part 6 on the workbench 1, and the material changing driving mechanism 27 drives a material changing plate 28 to extend into the connector storage part 6 from the feeding hole, so that the connector placement box 26 at the lowest position in the connector storage part 6 is moved out of the discharging hole.

The specific working process comprises the following steps: the operator places the connector in the connector placement box 26 in advance, for convenient placement, the upper end of the connector placement box 26 is opened, then the operator vertically stacks the connector placement box 26 in the connector storage part 6, when the use of the connector in the connector placement box 26 at the lowest part is completed, the material changing driving mechanism 27 pushes the feeding plate to extend into the connector storage part 6 from the feeding hole, the width of the feeding plate is larger than the inner side width of the connector storage part 6, so that the connector placement box 26 at the lowest part is pushed to move out of the connector storage part from the discharging hole, and the material changing driving mechanism 27 can adopt an air cylinder, an electric push rod and the like; a guide plate may be provided outside the splice storage section so that the dropped splice cassette 26 slides toward the collection device. When the loading plate is removed from the joint storage part 6, the joint storage box 26 at the lowest part of the joint storage part 6 falls down to the repairing position at the moment so as to continue production. During the replacement of the splice closure 26, the movable portion of the pusher drive mechanism 9 is moved out of the splice storage section.

Example 4: as shown in fig. 1 and 6, other structures and working processes of the present embodiment can refer to embodiment 1 or 2, but in the present embodiment, the feeding mechanism 3 includes a base 29 separately disposed at two sides of the moving path of the pipeline 2, and the base 29 moves along the width direction of the pipeline 2 under the action of a cylinder, an electric push rod, and the like. The base 29 is provided with transfer wheels 30 arranged in the moving direction of the pipeline 2, at least one transfer wheel 30 is in transmission connection with a driving motor, the motor preferably adopts a servo motor, so that the technical purpose of accurately controlling the moving distance of the pipeline can be achieved, and when the bases 29 on two sides move in opposite directions, the transfer wheels 30 are in contact with the side wall of the pipeline, so that the position of the pipeline on the Y axis can be ensured, and the pipeline can be driven to move.

The feeding mechanism 3 is provided with two, and is respectively matched with the positions of the joint placing mechanism 4 and the joint welding mechanism 5, the front end of the upper end of the workbench 1 in the conveying direction of the feeding mechanism 3 is provided with a reference detection unit 31, the reference detection unit 31 adopts a sensor capable of sensing objects, such as a proximity switch, a photoelectric sensor and the like, and the reference detection unit 31 is connected with a control unit for controlling the feeding mechanism 3 to work.

The specific working process comprises the following steps: when the end face of the pipeline 2 moves to the position of the reference detection unit 31, the reference detection unit 31 sends a signal to the control unit, the control unit can adopt PLC control, after analyzing the signal of the reference detection unit 31, the control unit sends a control instruction to the motor of the feeding mechanism 3 to stop the operation of the conveying wheel, at the moment, the position of the pipeline 2 on the X axis is determined, and the welding point at the joint of the joint and the pipeline can be determined to move to the designated position because the positions of the pipeline and the joint of the same batch are fixed values.

When one pipeline is welded, the bases on the two sides move in opposite directions, so that the pipeline is loosened, an operator can conveniently take the pipeline and place a new pipeline on the workbench 1, and after the new pipeline is placed, the bases 29 on the two sides move in opposite directions again to clamp the pipeline and drive the pipeline to move.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.

Claims

1. The pipeline welding system with the feeding mechanism comprises a workbench (1) and is characterized in that a pipeline (2) sequentially passes through a joint placing mechanism (4) and a joint welding mechanism (5) at the upper end of the workbench (1) under the driving of a feeding mechanism (3); the connector placing mechanism (4) comprises a connector storage part (6) and a connector installation part (7), a connector (8) in the connector storage part (6) moves towards one side of the connector installation part (7) through a material hole (10) under the pushing of a pushing driving mechanism (9), the connector installation part (7) comprises a temporary plate (11) used for supporting the connector (8), the temporary plate (11) is movably arranged on a support (12), the connector installation part (7) further comprises clamping plates (13) which are oppositely arranged on two sides of the connector (8), the clamping plates (13) are connected with a clamping driving mechanism (14), the clamping driving mechanism (14) is arranged on a cross beam (15), the cross beam (15) is arranged on a lifting seat (16), and the lifting seat (16) is arranged on a support (17) and moves along the vertical direction.

2. Pipeline welding system with a feeding mechanism according to claim 1, characterized in that the joint welding mechanism (5) comprises a movable frame (18), the movable frame (18) moves in the vertical direction, a turntable (19) is arranged at the lower end of the movable frame (18), and a welding gun (20) is arranged at the lower end of the turntable (19).

3. A pipeline welding system with a feeding mechanism according to claim 2, wherein the turntable (19) is annular, a positioning column (21) penetrating through the turntable (19) is arranged at the lower end of the movable frame (18), and the positioning column (21) is coaxially arranged with the turntable (19).

4. A pipeline welding system with a loading mechanism according to claim 3, characterized in that the positioning column (21) is moved in a vertical direction.

5. A pipeline welding system with a feeding mechanism according to claim 2, characterized in that the lower end of the turntable (19) is provided with a mounting frame (22), an adjusting screw (23) is transversely arranged on the mounting frame (22), the adjusting screw (23) is in threaded connection with a sliding seat (24), the welding gun (20) is arranged on the sliding seat (24), and the adjusting screw (23) is connected with an output shaft of an adjusting motor (25).

6. A pipeline welding system with a feeding mechanism according to claim 1, characterized in that the joints (8) are arranged in a joint placement box (26) along a transverse arrangement, the joint placement box (26) is placed in the joint storage part (6) in the process of installing the joints (8), the joint placement box (26) is opened at one side of the joint installation part (7), and the joint placement box (26) is provided with a through hole for passing through a movable part of the pushing driving mechanism (9) at the far end of the joint installation part (7).

7. A pipeline welding system with a feeding mechanism according to claim 6, characterized in that the joint placement boxes (26) are stacked in the joint storage part (6) along the vertical direction, the side wall of the joint storage part (6) is provided with a feeding hole and a discharging hole relatively, the workbench (1) is provided with a feed driving mechanism (27) on one side of the joint storage part (6), and the feed driving mechanism (27) drives the feed plate (28) to extend into the joint storage part (6) from the feeding hole, so that the joint placement box (26) at the lowest part in the joint storage part (6) is removed from the discharging hole.

8. A pipeline welding system with a feeding mechanism according to claim 1, characterized in that the contact surface of the clamping plate (13) and the joint (8) is arranged in an arc shape adapted to the outer wall of the joint (8).

9. Pipeline welding system with a feeding mechanism according to any of claims 1-8, characterized in that the feeding mechanism (3) comprises a base (29) arranged on both sides of the pipeline (2), the base (29) moves along the width direction of the pipeline (2), the base (29) is provided with a transfer wheel (30) arranged in the direction of the movement of the pipeline (2), and at least one transfer wheel (30) is in transmission connection with a driving motor.

10. Pipeline welding system with a feeding mechanism according to any one of claims 1-8, characterized in that the feeding mechanism (3) is provided with two and is respectively adapted to the positions of the joint placing mechanism (4) and the joint welding mechanism (5), the front end of the upper end of the workbench (1) in the conveying direction of the feeding mechanism (3) is provided with a reference detection unit (31), and the reference detection unit (31) is connected with a control unit for controlling the feeding mechanism (3) to work.