A full position tube plate welding gun swing mechanism

Abstract

This utility model discloses an all-position tube sheet welding torch oscillation mechanism, including a welding torch head, an arc-shaped toothed block for oscillating the welding torch head, and a transmission gearbox. One end of the welding torch head is fixedly installed in the middle of a sector plate, and the center of the sector plate is rotatably connected to a carrier plate via a rotating shaft. The arc-shaped toothed block connected at the bottom edge of the sector plate meshes with a drive gear located inside a U-shaped seat, and a rack block is meshed with the bottom tooth surface of the drive gear. The difference of this utility model is that the driven arc-shaped toothed block is in a horizontal reciprocating lateral oscillation state with the rotating shaft as the rotation center, while the driven housing and its related connected welding torch head are in a vertical reciprocating lateral oscillation state. This ensures the flexibility of welding adjustment of the welding torch head at the welding point and completes the high-quality welding action of the welding torch head, solving the problem of incomplete adjustment of the tube sheet welding direction.

Description

Technical Field

[0001] This utility model relates to the field of tube sheet welding equipment, specifically a full-position tube sheet welding torch oscillation mechanism. Background Technology

[0002] Tube-to-sheet welding is a key process in the manufacture of pressure vessels, heat exchangers, and other equipment, primarily used to connect tubes and tube sheets. During tube-to-sheet welding, workers operate welding torches, resulting in high labor intensity, low efficiency, and requiring significant experience in operating the torch. Furthermore, welding complex tube-to-sheet structures is inconvenient for workers. Therefore, to address these issues, a full-position tube-to-sheet welding torch oscillation mechanism is proposed. Utility Model Content

[0003] The purpose of this invention is to provide an all-position tube sheet welding torch swing mechanism to solve the above problems.

[0004] This utility model achieves the above-mentioned objective through the following technical solution: an all-position tube sheet welding torch oscillation mechanism, including a welding torch head, an arc-shaped toothed block for oscillating the welding torch head, and a transmission gearbox. One end of the welding torch head is fixedly installed in the middle of a sector plate, and the center of the sector plate is rotatably connected to a carrier plate via a rotating shaft. The arc-shaped toothed block connected at the bottom edge of the sector plate meshes with a drive gear located inside a U-shaped seat. A rack block is meshed with the bottom tooth surface of the drive gear. The output end of the transmission gearbox is connected to a housing, and a servo linear motion module located inside the housing is fixedly connected to one end of the rack block.

[0005] Preferably, the servo linear motion module consists of a screw-hole slide, a guide rail, a lead screw, a gear set, and a second motor, with the guide rail and the screw-hole slide slidably connected to each other, and one side of the guide rail being fixedly connected to the side wall inside the housing.

[0006] Preferably, the upper and lower parts of the drive gear are a large-diameter gear and a small-diameter gear, respectively.

[0007] Preferably, the bottom of the carrier plate is fixedly installed at one end of the top of the box, and the carrier plate has a strip-shaped hole in the middle, with a toothed block extending into the inside of the strip-shaped hole.

[0008] Preferably, a first motor is installed at the input end of the transmission gearbox.

[0009] Preferably, the bottom surface of the arc-shaped toothed block and the surface of the carrier plate are in sliding contact with each other.

[0010] Compared with the prior art, the advantages of this utility model are as follows: by having the driven arc toothed block reciprocate in a horizontal direction around the rotation axis as the center of rotation, and simultaneously cooperating with the driven housing and its related welding torch head reciprocate in a vertical direction, it can not only ensure the flexibility of welding adjustment of the welding torch head at the welding point, but also complete the high-quality welding action of the welding torch head, thus solving the problem of incomplete adjustment of the tube sheet welding direction. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a partial structural diagram of the present invention. Figure 1 ; Figure 3 This is a partial structural diagram of the present invention. Figure 2 .

[0013] In the diagram: 1. Welding torch head; 2. Sector plate; 3. Rotating shaft; 4. Arc toothed block; 5. Carrier plate; 510. U-shaped seat; 6. Drive gear; 7. Rack block; 8. First motor; 9. Transmission gearbox; 10. Housing; 11. Screw hole slide; 12. Guide rail; 13. Lead screw; 14. Gear set; 15. Second motor. Detailed Implementation

[0014] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0015] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0016] In the description of this utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0017] Please see Figure 1-3 As shown, an all-position tube sheet welding torch oscillation mechanism includes a welding torch head 1, an arc-shaped toothed block 4 for oscillating the welding torch head 1, and a transmission gearbox 9. One end of the welding torch head 1 is fixedly installed in the middle of a sector plate 2, and the center of the sector plate 2 is rotatably connected to a carrier plate 5 via a rotating shaft 3. The arc-shaped toothed block 4, located at the bottom edge of the sector plate 2, is meshed with a drive gear 6 located inside a U-shaped seat 510. The bottom tooth surface of the drive gear 6 is meshed with a rack block 7. The output end of the transmission gearbox 9 is connected to a housing 10, and a servo linear motion module located inside the housing 10 is fixedly connected to one end of the rack block 7.

[0018] Furthermore, the servo linear motion module consists of a screw hole slide 11, a guide rail 12, a lead screw 13, a gear set 14, and a second motor 15. The guide rail 12 and the screw hole slide 11 are slidably connected to each other, and one side of the guide rail 12 is fixedly connected to the side wall inside the housing 10.

[0019] Furthermore, the upper and lower parts of the drive gear 6 are respectively a large-diameter gear and a small-diameter gear.

[0020] Furthermore, the bottom of the carrier plate 5 is fixedly installed at one end of the top of the box body 10, and the carrier plate 5 has a strip-shaped hole in the middle, into which a toothed block 7 extends.

[0021] Furthermore, a first motor 8 is installed at the input end of the transmission gearbox 9.

[0022] Furthermore, the bottom surface of the arc-shaped toothed block 4 and the surface of the carrier plate 5 slide in contact with each other.

[0023] Working principle: The second motor 15 drives the lead screw 13 connected by the gear set 14 to rotate, so that the screw hole slide 11 connected to the lead screw 13 moves forward or backward along the guide rail 12, thereby driving the rack block 7 to move. At the same time, the moving rack block 7 drives the drive gear 6 connected by the meshing transmission to rotate, which further drives the arc tooth block 4 connected by the meshing transmission to rotate around the rotating shaft 3 as the rotation center, so that the welding gun head 1 connected by the sector plate 2 swings to the side in the horizontal direction. In conjunction with the first motor 8 running, the welding gun head 1 connected by the housing 10, carrier plate 5, etc., through the transmission gear box 9 drives the welding gun head 1 to swing to the side in the vertical direction. Compared with the existing technology, the difference is that the driven arc tooth block 4 is in a horizontal reciprocating lateral swing state with the rotating shaft 3 as the rotation center, and at the same time, the driven box 10 and its related welding gun head 1 are in a vertical reciprocating lateral swing state. This can not only ensure the flexibility of welding adjustment of welding gun head 1 at the welding point, but also complete the high-quality welding action of welding gun head 1, thus solving the problem of incomplete adjustment of tube sheet welding direction.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0025] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A swing mechanism for an all-position tube sheet welding torch, characterized in that: The assembly includes a welding torch head (1), an arc-shaped toothed block (4) for swinging the welding torch head (1), and a transmission gearbox (9). One end of the welding torch head (1) is fixedly installed in the middle of a fan-shaped plate (2), and the center of the fan-shaped plate (2) is rotatably connected to a carrier plate (5) via a rotating shaft (3). The arc-shaped toothed block (4) connected at the bottom edge of the fan-shaped plate (2) is meshed with a drive gear (6) inside a U-shaped seat (510). The bottom tooth surface of the drive gear (6) is meshed with a rack block (7). The output end of the transmission gearbox (9) is connected to a housing (10), and the servo linear motion module inside the housing (10) is fixedly connected to one end of the rack block (7).

2. The all-position tube sheet welding torch oscillation mechanism according to claim 1, characterized in that: The servo linear motion module consists of a screw hole slide (11), a guide rail (12), a lead screw (13), a gear set (14), and a second motor (15). The guide rail (12) and the screw hole slide (11) are slidably connected to each other, and one side of the guide rail (12) is fixedly connected to the side wall inside the housing (10).

3. The all-position tube sheet welding torch oscillation mechanism according to claim 1, characterized in that: The upper and lower parts of the drive gear (6) are a large-diameter gear and a small-diameter gear, respectively.

4. The all-position tube sheet welding torch oscillation mechanism according to claim 1, characterized in that: The bottom of the carrier plate (5) is fixedly installed at one end of the top of the box body (10), and the carrier plate (5) has a strip hole in the middle, into which a toothed block (7) extends.

5. The all-position tube sheet welding torch oscillation mechanism according to claim 1, characterized in that: The first motor (8) is installed at the input end of the transmission gearbox (9).

6. The all-position tube sheet welding torch oscillation mechanism according to claim 1, characterized in that: The bottom surface of the arc-shaped toothed block (4) and the surface of the carrier plate (5) slide in contact with each other.

Images