CN218964557U

CN218964557U - Heavy-calibre return bend welding turning device

Info

Publication number: CN218964557U
Application number: CN202221323287.8U
Authority: CN
Inventors: 赵小如
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2023-05-05
Anticipated expiration: 2032-05-30

Abstract

The utility model provides a large-caliber bent pipe welding turnover device which comprises a bent pipe welding turnover mechanism and a bent pipe mechanism. The bent pipe welding turnover mechanism is movably connected with the bent pipe mechanism. The pipe bending mechanism comprises a first short straight pipe, a first welding line, a bent pipe, a second welding line and a second short straight pipe. The first short straight pipe is connected with the bent pipe in a welding mode, and the bent pipe is connected with the second short straight pipe in a welding mode. The utility model is used for completing 180-degree overturning of bent pipe components with different calibers when the robot is used for welding, and realizes continuous and automatic welding of a welding line with 360 degrees by matching with the welding motion of the robot, and the welding line has high precision and attractive molding.

Description

Heavy-calibre return bend welding turning device

Technical Field

The utility model relates to the field of welding processing, in particular to a large-caliber bent pipe welding turnover device.

Background

In the energy field such as resident heat supply, petroleum, chemical industry and other industries, a large amount of large-caliber metal pipelines are needed, the pipelines are formed into a pipe network by welding or flange connection of 90-degree bent pipe components and long straight pipes on site, and for convenience in site construction and some functional requirements, the bent pipe construction is formed by welding two sections of shorter straight pipes and 90-degree quarter-arc bent pipes in a factory by workers.

Disclosure of Invention

According to the technical problems, the utility model provides a large-caliber bent pipe welding turnover device which is characterized by comprising a bent pipe welding turnover mechanism and a bent pipe mechanism. The bent pipe welding turnover mechanism is movably connected with the bent pipe mechanism.

The pipe bending mechanism comprises a first short straight pipe, a first welding line, a bent pipe, a second welding line and a second short straight pipe. The first short straight pipe is connected with the bent pipe in a welding mode, and the bent pipe is connected with the second short straight pipe in a welding mode.

The bent pipe welding turnover mechanism comprises a stand column unit, a fixed bottom plate and a turnover arm, wherein the stand column unit is arranged on the fixed bottom plate, and the stand column unit is rotationally connected with the turnover arm.

The upright post unit comprises a gear pair, a rotary servo motor, a moving pair, an up-and-down motion servo motor, a rotating disc, a saddle and a movable aligning clamping jaw. The stand column unit is provided with an up-and-down motion servo motor, the up-and-down motion servo motor is provided with a moving pair, and the moving pair is fixedly connected with a saddle. The rotary servo motor is arranged on the saddle and is meshed with the gear pair, and the gear pair is fixedly connected with the rotating disc. The rotating disc is provided with a movable aligning clamping jaw.

The turning arm is fixedly connected with the rotating disc, and the turning arm is in sliding connection with the guide rail pair 16; the turning arm is provided with a positioning table and a chute, and the positioning table is in sliding connection with the chute.

The beneficial effects of the utility model are as follows:

the utility model is used for completing 180-degree overturning of bent pipe components with different calibers when the robot is used for welding, and realizes continuous and automatic welding of a welding line with 360 degrees by matching with the welding motion of the robot, and the welding line has high precision and attractive molding.

The turning arm is provided with the rotating disc, and the turning arm can move along the guide rail pair; the positioning table arranged on the turning arm can move along the chute perpendicular to the guide rail pair. The two-direction movement can enable the bent pipe welding turnover device to adapt to bent pipe components with different calibers.

When the first welding seam is automatically welded, the bent pipe welding turnover mechanism ascends the bent pipe member to the highest position and is positioned at the horizontal position, the robot starts welding from the point A, in the welding process, the robot arranged above the bent pipe welding turnover mechanism drives the welding tool to move 180 degrees clockwise to the point B along the first welding seam on the surface of the bent pipe member, and the bent pipe welding turnover mechanism turns the bent pipe member anticlockwise for 180 degrees, so that continuous welding of the welding seams of the bent pipe members with different calibers in the whole 360-degree circumference can be realized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the elbow welding turnover mechanism of the present utility model;

FIG. 3 is a schematic view of the installation of the present utility model in a low position;

FIG. 4 is a high level schematic of the installation weld of the present utility model;

fig. 5 is a schematic view of the welding initiation state of the present utility model.

Fig. 6 is a schematic view of the welding end state of the present utility model.

Reference numerals: 1. the bent pipe welding turnover mechanism; 2. a first short straight tube; 3. a first weld; 4. bending the pipe; 5. a second weld; 6. a second short straight tube; 7. a column; 8. a gear pair; 9. rotating the servo motor; 10. a moving pair; 11. a servo motor for moving up and down; 12. a fixed bottom plate; 13. a rotating disc; 14. a saddle; 15. a flip arm; 16. a guide rail pair; 17. a movable aligning clamping jaw; 18. a positioning table; 19. a chute; 20. a bent pipe member; 21. point A; 22. point B.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model:

example 1

In use, the fixed base plate 12 is provided with a column unit, and the column unit 7 is rotatably connected with the turnover arm 15.

The column unit 7 comprises a gear pair 8, a rotary servo motor 9, a moving pair 10, an up-and-down motion servo motor 11, a rotating disc 13, a saddle 14 and a movable aligning clamping jaw 17.

Four up-and-down motion servo motors 11 arranged on the two upright post units 7 drive the moving pair 10 to drive the saddle 14 to move up and down, so that a rotating disc 13 arranged on the saddle 14 can be positioned at a high position and a low position, the bent pipe member 20 is convenient to manually install, and the high position is used for overturning when the robot is welded.

The rotary servo motor 9 on the saddle 14 drives the gear pair 8, so that the rotating disc 13 performs overturning movement, and the rotating disc 13 is provided with a movable aligning clamping jaw 17 for clamping bent pipe members 20 with different diameters.

The turning arm 15 connects the two sets of rotating discs 13 into a whole, and the turning arm 15 can move along a guide rail pair 16 arranged on the two sets of rotating discs 13; a positioning table 18 mounted on the invert arm 15 is movable along a chute 19 perpendicular to the rail pair 16. The two-direction movement can enable the bent pipe welding turnover device to adapt to bent pipe components with different calibers.

The working principle is as follows:

when in use, the four up-and-down motion servo motor drives 11 arranged on the two upright posts 7 drive the moving pair 10 to drive the saddle 14 to move up and down, so that the rotating disc 13 arranged on the saddle 14 can be positioned at a high position and a low position, as shown in figures 4 and 5. The lower position is convenient for manually installing the bent pipe component, and the higher position is used for overturning when the robot is welded.

The rotary servo motor 9 on the saddle 14 drives the gear pair 8, and thus the rotating disk 13 performs a tilting motion. The rotating disc 13 is provided with at least 3 groups (4 groups in the middle) of movable aligning clamping jaws 17 for clamping bent pipe components with different diameters.

The turning arm 15 connects the two sets of rotating discs 13 into a whole, and the turning arm 15 can move along a guide rail pair 16 arranged on the two sets of rotating discs 13; a positioning table 18 mounted on the invert arm 15 is movable perpendicular to a chute 19 along the rail pair 16. The two-direction movement can enable the bent pipe welding turnover device to adapt to bent pipe components with different calibers.

Before automatic welding of a robot, two sections of short straight pipes and a 90-degree quarter arc bent pipe 4 are manually installed and fixed on the bent pipe welding turnover mechanism 1, backing welding is completed, and when automatic welding is carried out, the bent pipe welding turnover mechanism 1 is matched with the robot to firstly complete welding of a first welding seam 3, and then the welding of a second welding seam 5 is completed after turning around.

When the first welding seam 3 is automatically welded, the bent pipe welding turnover mechanism 1 ascends the bent pipe member 20 to the highest position and is positioned at the horizontal position, the robot starts welding from the point A21, in the welding process, the robot arranged above the bent pipe welding turnover mechanism 1 drives the welding tool to move 180 degrees clockwise to the point B22 along the first welding seam 3 on the surface of the bent pipe member 20, and the bent pipe welding turnover mechanism 1 turns the bent pipe member 20 to move 180 degrees anticlockwise, so that continuous welding of the whole 360-degree circumferential welding seam can be realized.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The large-caliber bent pipe welding turnover device is characterized by comprising a bent pipe welding turnover mechanism and a bent pipe mechanism, wherein the bent pipe welding turnover mechanism is movably connected with the bent pipe mechanism;

the pipe bending mechanism comprises a first short straight pipe, a first welding line, a bent pipe, a second welding line and a second short straight pipe, wherein the first short straight pipe is in welded connection with the bent pipe, the bent pipe is in welded connection with the second short straight pipe, the welded connection part of the first short straight pipe and the bent pipe is the first welding line, and the welded connection part of the bent pipe and the second short straight pipe is the second welding line;

the bent pipe welding turnover mechanism comprises upright column units, a fixed bottom plate and turnover arms, wherein the upright column units are arranged on the fixed bottom plate, two groups of upright column units are arranged, and the two groups of upright column units are in rotary connection through the turnover arms.

2. The heavy-calibre return bend welding turning device according to claim 1, characterized in that the stand unit includes stand, gear pair, rotary servo motor, shifting pair, up-and-down motion servo motor, rolling disc, saddle and movable aligning clamping jaw, the stand upside is provided with up-and-down motion servo motor, up-and-down motion servo motor and shifting pair are connected, shifting pair and saddle fixed connection, be provided with rotary servo motor on the saddle, rotary servo motor and gear pair meshing are connected, gear pair and rolling disc are fixed connection, be equipped with movable aligning clamping jaw on the rolling disc.

3. The welding turnover device for the large-caliber bent pipe is characterized in that the turnover arm is connected with the rotating disc and is in sliding connection with the guide rail pair; the turning arm is provided with a positioning table and a chute, and the positioning table is in sliding connection with the chute.