Pressure vessel girth welding device

Abstract

The utility model relates to the technical field of welding, and discloses a pressure vessel girth welding device which comprises machining tables, a rotating groove is formed in the middle of one set of machining tables, and a supporting ring is rotationally installed in the rotating groove. According to the technical scheme, the limiting sleeves in the containing grooves are pushed to do circular motion, the abutting rods are movably installed in the limiting sleeves, each abutting rod is rotationally installed on the side wall of the machining table through the corresponding first rotating shaft, and the three adjacent abutting rods can be pushed to be close to the circle center of the driving ring; the clamping rollers rotationally installed at one ends of the three sets of abutting rods are attached to the side wall of the pressure container, the pressure container is effectively clamped, the clamping rollers are rotationally installed at one ends of the abutting rods in a matched mode, the clamped pressure container can rotate, and after an operator continuously pushes the pressure container to rotate slowly, the pressure container can be automatically clamped. And the pressure vessel can be welded without frequently adjusting the welding machine, so that the welding efficiency of the pressure vessel is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of welding technology, specifically to a pressure vessel circumferential weld device. Background Technology

[0002] Currently, circumferential welding is a crucial step in the manufacturing process of pressure vessels. The quality of circumferential welding directly affects the sealing performance, strength, and overall performance of the pressure vessel. However, traditional circumferential welding processes for pressure vessels present numerous challenges and problems, making it difficult to meet the demands of modern, efficient, and high-quality production.

[0003] Traditional welding equipment often requires multiple positioning and clamping of the pressure vessel during circumferential welding to accommodate different angles and positions during the welding process. This not only increases the complexity of the operation but also prolongs the welding cycle and reduces production efficiency. Furthermore, since the pressure vessel needs to remain stationary during the welding process, the thermal stress and deformation generated during welding are difficult to control effectively, which can easily damage the pressure vessel and affect its service life and safety performance.

[0004] Therefore, we propose a pressure vessel circumferential weld device that can stably clamp and rotate the pressure vessel, and perform circumferential welds on the pressure vessel without frequent adjustment of the welding machine, which greatly improves welding efficiency and quality. Utility Model Content

[0005] The purpose of this invention is to provide a pressure vessel circumferential weld device, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a pressure vessel circumferential weld device, comprising a processing table, wherein a rotating groove is provided in the middle of one set of the processing table, a support ring is rotatably installed in the rotating groove, a drive ring is fixedly installed on the side wall of the support ring, and three sets of equidistantly distributed receiving grooves are provided in the middle of the side wall of the drive ring, and a clamping and rotating mechanism is installed in each of the three sets of receiving grooves. One end of each of the three sets of clamping and rotating mechanisms is rotatably installed on the side wall of the processing table through a first rotating shaft, and the processing table is provided on both sides.

[0007] Optionally, the clamping and rotating mechanism includes a second rotating shaft rotatably mounted at both ends of the inner side of the receiving groove, a limiting sleeve fixedly mounted between the two sets of second rotating shafts, a stop rod movably mounted inside the limiting sleeve, and a clamping roller rotatably mounted inside the stop rod. The outer sides of the multiple sets of stop rods are respectively fixedly mounted to the side wall of each set of first rotating shafts.

[0008] By adopting the above technical solution, pressure vessels can be clamped.

[0009] Optionally, a welding table is fixedly installed on the side wall of one of the processing tables, and a welding head is fixedly installed at the other end of the welding table.

[0010] By adopting the above technical solution, pressure vessels can be welded.

[0011] Optionally, the inner cavity of the drive ring corresponds to the pressure vessel, and the welded part of the pressure vessel corresponds to the weld head.

[0012] Optionally, both sets of drive rings are fixedly mounted with toothed rings on their sidewalls, and both sets of toothed rings are meshed with gears.

[0013] By adopting the above technical solution, the drive ring can be driven to rotate.

[0014] Optionally, a motor is fixedly installed at one end of the top of each of the two sets of processing tables, and the drive output ends of the two sets of motors are respectively connected to the two sets of transmission shafts. The other ends of the two sets of transmission shafts are fixedly installed to the central shafts of the two sets of gears.

[0015] By adopting the above technical solution, the gear can be driven to rotate.

[0016] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows:

[0017] The technical solution of this application drives the rotation of the drive rings on two sets of processing tables, which in turn drives the limiting sleeves in each set of receiving slots to perform circumferential motion. Since each set of limiting sleeves has a movable abutment rod installed inside, and each set of abutment rods is rotatably installed on the side wall of the processing table through a first rotating shaft, it can push the three adjacent sets of abutment rods closer to the center of the drive ring, so that the clamping rollers rotatably installed at one end of the three sets of abutment rods fit against the side wall of the pressure vessel. This not only effectively clamps the pressure vessel, but also, in conjunction with the clamping rollers rotatably installed at one end of each set of abutment rods, allows the clamped pressure vessel to rotate. As the operator continuously pushes the pressure vessel to rotate slowly, welding of the pressure vessel can be performed without frequent adjustment of the welding machine, greatly improving the welding efficiency of the pressure vessel.

[0018] Both sets of drive rings have toothed rings fixedly installed on their sidewalls, and both sets of toothed rings are meshed with gears. When the operator drives the motor to rotate the gears, the toothed rings meshing with the gears will drive the drive rings to rotate. As the drive rings rotate to one side, they can push the three adjacent sets of abutments to clamp the pressure vessel in the processing table. Conversely, the drive rings push the limit sleeves in each set of storage slots to perform a reverse circumferential motion, which can store the three adjacent sets of abutments into their corresponding storage slots. This makes it easy to store the clamping and rotating mechanism in the storage slots and insert the pressure vessel into the processing table. Attached Figure Description

[0019] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of a pressure vessel circumferential weld device according to the present invention;

[0021] Figure 2 This is a schematic diagram of the distribution structure of the receiving groove in a pressure vessel circumferential weld device according to the present invention;

[0022] Figure 3 This is a schematic diagram of the support rod distribution structure of a pressure vessel circumferential weld device according to the present invention.

[0023] In the diagram: 1. Processing table; 11. Rotary groove; 12. Support ring; 2. Drive ring; 21. Storage groove; 22. Limiting sleeve; 23. Support rod; 24. Clamping roller; 3. Welding table; 31. Welding head; 32. Gear ring; 33. Gear; 34. Motor. Detailed Implementation

[0024] Please see Figure 1-3 This utility model provides a technical solution: a pressure vessel circumferential weld device, including a processing table 1, wherein a rotating groove 11 is opened in the middle of a set of processing tables 1, a support ring 12 is rotatably installed in the rotating groove 11, a drive ring 2 is fixedly installed on the side wall of the support ring 12, and three sets of equally distributed receiving grooves 21 are opened in the middle of the side wall of the drive ring 2, and a clamping rotating mechanism is installed in each of the three sets of receiving grooves 21. One end of each of the three sets of clamping rotating mechanisms is rotatably installed on the side wall of the processing table 1 through a first rotating shaft. The processing table 1 is provided on both sides, and the clamping rotating mechanism includes a second rotating shaft rotatably installed at both ends inside the receiving groove 21, a limiting sleeve 22 fixedly installed between the two sets of second rotating shafts, a stop rod 23 movably installed inside the limiting sleeve 22, and a clamping roller 24 rotatably installed inside the stop rod 23. The outer sides of the multiple sets of stop rods 23 are respectively fixedly installed on the side wall of each set of first rotating shafts, which can clamp the pressure vessel.

[0025] By driving the drive rings 2 on the two sets of processing tables 1 to rotate, the limiting sleeves 22 in each set of receiving slots 21 will move in a circular motion. Since each set of limiting sleeves 22 is movably installed with a stop rod 23, and each set of stop rods 23 is rotatably installed with the side wall of the processing table 1 through the first rotating shaft, the three adjacent sets of stop rods 23 can be pushed to move closer to the center of the drive ring 2, so that the clamping rollers 24 rotatably installed at one end of the three sets of stop rods 23 are in contact with the side wall of the pressure vessel. This not only effectively clamps the pressure vessel, but also, in conjunction with the clamping rollers 24 rotatably installed at one end of each set of stop rods 23, the clamped pressure vessel can rotate. As the operator continuously pushes the pressure vessel to rotate slowly, the pressure vessel can be welded without frequent adjustment of the welding machine, which greatly improves the welding efficiency of the pressure vessel.

[0026] In this technical solution, gear rings 32 are fixedly installed on the side walls of both sets of drive rings 2, and gears 33 are meshed on both sets of gear rings 32, which can drive the drive rings 2 to rotate. Motors 34 are fixedly installed on one end of the top of both sets of processing tables 1. The drive output ends of the two sets of motors 34 are respectively connected to the two sets of transmission shafts. The other ends of the two sets of transmission shafts are fixedly installed on the central shaft of the two sets of gears 33, which can drive the gears 33 to rotate.

[0027] When the operator drives the motor 34 to rotate the gear 33, the gear ring 32 meshing with the gear 33 will drive the drive ring 2 to rotate. As the drive ring 2 rotates to one side, it can push the three adjacent sets of abutment rods 23 to clamp the pressure vessel in the processing table 1. Conversely, the drive ring 2 pushes the limiting sleeve 22 in each set of storage slots 21 to perform a reverse circumferential motion, which can store the three adjacent sets of abutment rods 23 into the corresponding storage slots 21, making it easy to store the clamping and rotating mechanism in the storage slots 21 and insert the pressure vessel into the processing table 1.

[0028] In this technical solution, a welding table 3 is fixedly installed on the side wall of one of the processing tables 1, and a welding head 31 is fixedly installed on the other end of the welding table 3, which can weld the pressure vessel. The inner cavity of the drive ring 2 corresponds to the pressure vessel, and the welding part of the pressure vessel corresponds to the welding head 31.

[0029] When the clamping rollers 24, which are rotatably installed at one end of the three sets of push rods 23, are in contact with the side wall of the pressure vessel, the pressure vessel is not only effectively clamped, but also, with the clamping rollers 24 rotatably installed at one end of each set of push rods 23, the operator can continuously push the pressure vessel to rotate slowly. With the welding head 31 fixedly installed on one side of the welding table 3, the connection between the two sets of pressure vessels can be welded quickly.

[0030] In use, the two sets of pressure vessels to be welded are first inserted into the rotating slots 11 of the two processing tables 1, so that the middle parts of the two sets of pressure vessels are distributed in the two sets of drive rings 2 respectively, and the welding joints of the two sets of pressure vessels are put into contact with each other. At the same time, the drive rings 2 on the two sets of processing tables 1 are pushed to rotate, which will push the limiting sleeves 22 in each set of receiving slots 21 to perform circumferential motion. Since each set of limiting sleeves 22 is movably installed with a stop rod 23, and each set of stop rods 23 is rotatably installed with the side wall of the processing table 1 through the first rotating shaft, it can push the three adjacent sets of stop rods 23 to move closer to the center of the drive ring 2, so that the clamping rollers 24 rotatably installed at one end of the three sets of stop rods 23 are in contact with the side wall of the pressure vessel. This not only effectively clamps the pressure vessel, but also, in conjunction with the clamping rollers 24 rotatably installed at one end of each set of stop rods 23, allows the clamped pressure vessel to rotate. After the operator continuously pushes the pressure vessel to rotate slowly, the pressure vessel can be welded without frequent adjustment of the welding machine, which greatly improves the welding efficiency of the pressure vessel. At the same time, gear rings 32 are fixedly installed on the side walls of the two sets of drive rings 2, and gears 33 are meshed on the two sets of gear rings 32. When the operator drives the motor 34 to drive the gears 33 to rotate, the gear rings 32 meshing with the gears 33 will drive the drive ring 2 to rotate. As the drive ring 2 rotates to one side, it can push the three adjacent sets of abutment rods 23 to clamp the pressure vessel in the processing table 1. Conversely, the drive ring 2 pushes the limiting sleeves 22 in each set of storage slots 21 to perform a reverse circumferential movement, which can store the three adjacent sets of abutment rods 23 into the corresponding storage slots 21, making it easy to store the clamping and rotating mechanism in the storage slots 21 and insert the pressure vessel into the processing table 1.

Claims

1. A pressure vessel circumferential weldment apparatus, comprising a processing table (1), characterized in that: One of the processing tables (1) has a rotating groove (11) in the middle, and a support ring (12) is rotatably installed in the rotating groove (11). A drive ring (2) is fixedly installed on the side wall of the support ring (12). Three sets of equally spaced storage grooves (21) are opened in the middle of the side wall of the drive ring (2). A clamping and rotating mechanism is installed in each of the three sets of storage grooves (21). One end of each of the three sets of clamping and rotating mechanisms is rotatably installed on the side wall of the processing table (1) through a first rotating shaft. The processing table (1) has two sides.

2. The pressure vessel circumferential weld device according to claim 1, characterized in that: The clamping and rotating mechanism includes a second rotating shaft that is rotatably installed at both ends of the inner side of the receiving groove (21), a limiting sleeve (22) fixedly installed between the two sets of the second rotating shafts, a stop rod (23) movably installed in the limiting sleeve (22), and a clamping roller (24) rotatably installed inside the stop rod (23). The outer sides of the multiple sets of the stop rods (23) are respectively fixedly installed to the side wall of each set of the first rotating shafts.

3. The pressure vessel circumferential weld device according to claim 1, characterized in that: One of the processing tables (1) has a welding table (3) fixedly installed on its side wall, and a welding head (31) is fixedly installed on the other end of the welding table (3).

4. The pressure vessel circumferential weld device according to claim 3, characterized in that: The inner cavity of the drive ring (2) corresponds to the pressure vessel, and the welded part of the pressure vessel corresponds to the weld head (31).

5. The pressure vessel circumferential weld device according to claim 1, characterized in that: Both sets of drive rings (2) have toothed rings (32) fixedly installed on their side walls, and both sets of toothed rings (32) have gears (33) meshing with them.

6. The pressure vessel circumferential weld device according to claim 5, characterized in that: Both sets of processing tables (1) have a motor (34) fixedly installed at one end of their tops. The output ends of the two sets of motors (34) are respectively connected to the two sets of transmission shafts. The other ends of the two sets of transmission shafts are fixedly installed on the central shafts of the two sets of gears (33).

Images