Multi-pipeline automatic welding auxiliary device and using method thereof

Abstract

The invention belongs to the field of welding, and particularly relates to a multi-pipeline automatic welding auxiliary device and a using method thereof. The multi-pipeline automatic welding auxiliary device comprises a workbench, a moving assembly is arranged on the workbench, a welding gun assembly is arranged on the moving assembly, and a laser calibration device is further arranged on the workbench. The device has the remarkable effects that (1) the applicability is high: the device can be changed according to different pipe diameters, so that the applicability and the practicability are high; and (2) economic benefits: the device can be used for welding three equal-diameter welded junctions at the same time, and only one automatic welding operator can replace three traditional welding operators, so that the labor cost and the time investment are reduced. (3) generalizability: the device can be popularized to various nuclear power and civil projects.

Description

Technical Field

[0001] The invention belongs to the field of welding, and in particular relates to a multi-pipeline automatic welding auxiliary device and a use method thereof. Background Art

[0002] During the installation of nuclear power pipelines, pipelines are mostly connected by welding. Due to the high requirements of nuclear-grade pipeline welding process, the training cycle of nuclear-grade manual welders is long, and the welding volume of welding operators cannot meet the needs of on-site pipeline installation. The introduction of automatic welding equipment, the completion of the corresponding automatic welding process assessment, and the realization of one person and one machine for welding operations can initially make up for the disadvantages of the long training cycle of nuclear-grade manual welders. At present, the nuclear power industry is in a rapid development stage, and the amount of nuclear power construction is increasing. The training speed and welding efficiency of nuclear-grade welders still cannot meet the pipeline installation needs of the nuclear power industry, which directly restricts the progress of nuclear power pipeline installation construction. In addition, the cost of welding operators ranks first in the entire industry and is the main economic investment in the nuclear power pipeline installation industry. Summary of the invention

[0003] The present invention aims at the defects of the prior art and management and provides a multi-pipeline automatic welding auxiliary device and a use method thereof.

[0004] The present invention is implemented as follows: a multi-pipeline automatic welding auxiliary device, which includes a workbench, a moving component is arranged on the workbench, a welding gun component is arranged on the moving component, and a laser calibration device is also arranged on the workbench.

[0005] A multi-pipe automatic welding auxiliary device as described above, wherein the moving component includes a welding gun bracket, a slide rail is arranged on the welding gun bracket, and the moving component also includes a rotating fixing device, a transmission belt is arranged on the rotating fixing device, and the transmission belt is connected to the motor and is controlled by the motor.

[0006] In the above-mentioned multi-pipeline automatic welding auxiliary device, the motor is connected to the transmission belt through the transmission shaft and the transmission gear.

[0007] In the multi-pipe automatic welding auxiliary device as described above, the welding gun assembly includes a welding gun support arm, the welding gun support arm is connected to the slide rail and can move along the slide rail, and the welding gun is arranged on the welding gun support arm.

[0008] In the above-mentioned multi-pipeline automatic welding auxiliary device, a control panel is also arranged on the welding gun support arm.

[0009] A method for using a multi-pipeline automatic welding auxiliary device comprises the following steps:

[0010] Step S1, inserting two sections of pipes to be welded through a rotating fixture;

[0011] Step S2, using a laser calibration device to ensure that all pipeline welds are in the same plane;

[0012] Step S3, adjusting the pipeline assembly gap according to the upstream technical documents to complete the assembly work;

[0013] Step S4, adjusting the fixing bolts to lock the pipe to be welded;

[0014] Step S5, adjusting the height of the welding gun support by operating the control panel;

[0015] Step S6, adjusting the position of the slide rail by operating the control panel;

[0016] Step S7, adjusting the welding gun to a suitable position of the weld;

[0017] Step S8, setting the voltage, current, pipe rotation speed and other information on the control panel according to the welding process;

[0018] Step S9, turning on the power supply of the device so that the motor at the bottom of the workbench drives the transmission shaft to rotate;

[0019] Step S10, the transmission shaft drives the rotating fixing device and the transmission belt through the transmission gear, so that the three pipes to be welded rotate at the same speed, and the synchronous welding of the welds of the three pipes is completed.

[0020] The remarkable effects of the present invention are: (1) high applicability: the device can be adapted to different pipe diameters, and has high applicability and practicality; (2) economic benefits: the device can weld three equal-diameter welds at the same time, and only one automatic welding operator can replace three traditional welding operators, reducing labor costs and time investment. (3) scalability: the device can be promoted to various nuclear power and civil projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 .Multi-pipeline automatic welding auxiliary device diagram

[0022] Figure 2 .Side view of multi-pipeline automatic welding auxiliary device

[0023] In the figure: 1: rotating fixture; 2: workbench; 3: laser calibration device; 4: fixing bolt; 5: welding gun bracket; 6: slide rail; 7: welding gun support arm; 8: welding gun; 9: control panel; 10: transmission belt; 11: transmission gear; 12: motor; 13: transmission shaft. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. The drawings described below are only some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] A multi-pipeline automatic welding auxiliary device and a use method thereof, comprising a workbench 2, a moving component is arranged on the workbench 2, a welding gun component is arranged on the moving component, and a laser calibration device 3 is also arranged on the workbench 2.

[0026] The moving assembly includes a welding gun bracket 5 on which a slide rail 6 is arranged. The moving assembly also includes a rotating fixture 1 on which a transmission belt 10 is arranged. The transmission belt 10 is connected to a motor 12 and is controlled by the motor 12 .

[0027] The motor 12 is connected to the transmission belt 10 via a transmission shaft 13 and a transmission gear 11 .

[0028] The welding gun assembly includes a welding gun supporting arm 7 , which is connected to the slide rail 6 and can move along the slide rail 6 , and a welding gun 8 is arranged on the welding gun supporting arm 7 .

[0029] A control panel 9 is also provided on the welding gun support arm 7 .

[0030] The use process of the above device is roughly as follows:

[0031] Step S1, inserting two sections of pipes to be welded through the rotating fixture 1;

[0032] Step S2, using a laser calibration device 3 to ensure that all pipeline welds are in the same plane;

[0033] Step S3, adjusting the pipeline assembly gap according to the upstream technical documents to complete the assembly work;

[0034] Step S4, adjusting the fixing bolt 4 to lock the pipe to be welded;

[0035] Step S5, adjusting the height of the welding gun support 5 by operating the control panel;

[0036] Step S6, adjusting the position of the slide rail 6 by operating the control panel;

[0037] Step S7, adjusting the welding gun to a suitable position of the weld;

[0038] Step S8, setting the voltage, current, pipe rotation speed and other information on the control panel according to the welding process;

[0039] Step S9, then turning on the power supply of the device to make the motor 12 at the bottom of the workbench drive the transmission shaft 13 to rotate;

[0040] Step S10, the transmission shaft drives the rotating fixture 1 and the transmission belt 10 through the transmission gear 11, so that the three pipes to be welded rotate at the same speed, and the synchronous welding of the welds of the three pipes is completed.

[0041] A specific example is given below.

[0042] The pipes to be welded are respectively inserted from both sides of the rotating fixture 1, and the fixing bolts 4 are rotated and tightened to fix the pipes with different diameters. The laser calibration device 3 is turned on to ensure that the three pipe welds are in the same plane. The pipe pairing process is performed on the workbench according to the technical documents. After the pipes are paired on the workbench 2, the welder adjusts the height of the welding gun bracket 5 by operating the control panel, adjusts the position of the slide rail 6 by operating the control panel, and finally moves the welding gun to the appropriate position of the weld. According to the welding process of different pipes, the voltage, current and pipe rotation speed are set on the control panel and the welding operation is started. The motor 12 at the bottom of the workbench drives the transmission shaft 13 to rotate, and the transmission shaft drives the rotating fixture 1 and the transmission belt 10 through the transmission gear 11, so that the three pipes to be welded rotate at the same speed, and the synchronous welding of the three pipe welds is completed.

Claims

1. A multi-pipeline automatic welding auxiliary device, characterized in that: The device comprises a workbench (2), a moving component is arranged on the workbench (2), a welding gun component is arranged on the moving component, and a laser calibration device (3) is also arranged on the workbench (2).

2. A multi-pipeline automatic welding auxiliary device as claimed in claim 1, characterized in that: The moving assembly comprises a welding gun bracket (5), a slide rail (6) is arranged on the welding gun bracket (5), and the moving assembly also comprises a rotating fixing device (1), a transmission belt (10) is arranged on the rotating fixing device (1), and the transmission belt (10) is connected to a motor (12) and is controlled by the motor (12).

3. A multi-pipeline automatic welding auxiliary device as claimed in claim 2, characterized in that: The motor (12) is connected to the transmission belt (10) via a transmission shaft (13) and a transmission gear (11).

4. A multi-pipeline automatic welding auxiliary device as claimed in claim 3, characterized in that: The welding gun assembly comprises a welding gun support arm (7), the welding gun support arm (7) is connected to a slide rail (6) and can move along the slide rail (6), and a welding gun (8) is arranged on the welding gun support arm (7).

5. A multi-pipeline automatic welding auxiliary device as claimed in claim 4, characterized in that: A control panel (9) is also arranged on the welding gun support arm (7).

6. A method for using a multi-pipeline automatic welding auxiliary device, characterized in that: The steps include: Step S1, inserting two sections of pipes to be welded into the rotating fixture (1); Step S2, using a laser calibration device (3) to ensure that all pipeline welds are in the same plane; Step S3, adjusting the pipeline assembly gap according to the upstream technical documents to complete the assembly work; Step S4, adjusting the fixing bolts (4) to lock the pipe to be welded; Step S5, adjusting the height of the welding gun support (5) by operating the control panel; Step S6, adjusting the position of the slide rail (6) by operating the control panel; Step S7, adjusting the welding gun to a suitable position of the weld; Step S8, setting the voltage, current, pipe rotation speed and other information on the control panel according to the welding process; Step S9, then turning on the power supply of the device to make the motor (12) at the bottom of the workbench drive the transmission shaft (13) to rotate; Step S10, the transmission shaft drives the rotating fixture (1) and the transmission belt (10) through the transmission gear (11), so that the three pipes to be welded rotate at the same speed, thereby completing the synchronous welding of the weld seams of the three pipes.

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