Welding device for inner side welding seam welding
The position adjustable welding torch mechanism and the rotary clamping mechanism realize uniform welding of the inner welds of the metal ventilation duct, and reduce welding smoke pollution through the smoke purification component, solving the problems of uneven welding and smoke pollution in the prior art, and improving the welding effect and air quality.
Patent Information
- Application Number
- CN202422302925.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-20
AI Technical Summary
In the prior art, the inner welds on metal ventilation ducts cannot be rotated and clamped when welded, resulting in uneven welding and the smoke generated during welding pollutes the environment.
The position adjustable welding torch mechanism and a rotary clamping mechanism are adopted to drive the turntable to rotate through an electric push rod and a drive motor to achieve uniform welding of the inner welds of the metal ventilation duct; a smoke purification component is set up, and smoke is purified by using the smoke guide fan blade and smoke filter element to purify the smoke and discharge it.
The uniform welding of the inner welds of metal ventilation ducts is achieved, reducing the pollution of welding smoke to the environment, improving the welding effect and protecting the air quality.
Smart Images

Figure CN223160390U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline welding, in particular to a welding device for inner weld seam welding. Background Art
[0002] Inner weld seam welding is to use an electric welding gun to weld the weld seam inside a certain hollow product. At present, the following problems will occur during the inner weld seam welding operation of metal ventilation pipes:
[0003] Firstly, after clamping two metal ventilation pipes with a three-jaw chuck, they cannot be rotated, and thus it is impossible to uniformly weld the inner weld seam at the butt joint of the two metal ventilation pipes, reducing the welding effect.
[0004] Secondly, a large amount of smoke will be generated during the welding process, and these smokes will be directly discharged into the external air, causing pollution. Content of the Utility Model
[0005] The purpose of the utility model is to solve the deficiencies in the prior art, and a welding device for inner weld seam welding is proposed.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A welding device for inner weld seam welding includes a box body, a connecting frame welded to the outer wall at the rear of the box body, a position-adjustable welding gun mechanism, and a rotary clamping mechanism.
[0008] The position-adjustable welding gun mechanism includes an electric push rod fixedly installed on the top outer wall of the connecting frame, a mounting block fixedly connected to the telescopic end of the electric push rod, and an electric welding gun fixedly installed on the side wall of the mounting block.
[0009] The rotary clamping mechanism includes a turntable, a three-jaw chuck fixedly installed on the top outer wall of the turntable, a rotating shaft penetrating through and connected to the inner wall at the center of the top of the box body through a bearing, a guiding component, a driving component, and a smoke purification component.
[0010] Preferably, the driving component includes a driving motor fixedly installed on the inner wall at the bottom of the box body, a driving bevel gear fixedly sleeved on the output shaft of the driving motor, and a driven bevel gear fixedly sleeved on the rotating shaft.
[0011] Preferably, both the driving bevel gear and the driven bevel gear are located inside the box body, and the driving bevel gear meshes with the driven bevel gear.
[0012] Preferably, a through hole is formed at the center of the three-jaw chuck, and two metal ventilation pipes are fixed at the center of the three-jaw chuck.
[0013] Preferably, the smoke purification assembly includes a smoke guiding fan blade located in the through hole, two smoke exhaust ports opened on the turntable, and two smoke filters fixedly embedded in the two smoke exhaust ports. Both the turntable and the smoke guiding fan blade are coaxially and fixedly connected to the rotating shaft, which can effectively reduce the pollution of the air environment caused by the smoke during the welding process.
[0014] Preferably, the guiding assembly includes four guiding columns sequentially welded to the outer wall of the bottom of the turntable and an annular guiding groove opened on the top of the box body.
[0015] Preferably, the four guiding columns are annularly distributed based on the center of the turntable, and the outer walls of the four guiding columns are slidably connected to the inner wall of the annular guiding groove.
[0016] The beneficial effects of the present utility model are as follows:
[0017] 1. In the present utility model, the driving motor is used to control the rotation of the driving bevel gear. Subsequently, the driven bevel gear meshing with the driving bevel gear will drive the turntable fixed on the rotating shaft to rotate. Then, the turntable will drive the two metal ventilation pipes clamped and fixed on the three-jaw chuck to rotate, which can uniformly weld the inner welds at the butt joint of the two metal ventilation pipes, thus facilitating the improvement of the welding effect.
[0018] 2. A smoke purification assembly is provided. The rotation of the smoke guiding fan blade can guide the smoke generated during the welding process to the area of the two smoke exhaust ports. During the smoke exhaust process, the smoke will be purified by the two smoke filters and then discharged to the outside, which can effectively reduce the pollution of the air environment caused by the smoke during the welding process. Description of the Drawings
[0019] Figure 1 It is a three-dimensional structure diagram of the whole front view of the present utility model;
[0020] Figure 2 It is an enlarged three-dimensional structure diagram of the position-adjustable welding torch mechanism in the present utility model;
[0021] Figure 3 It is a front view structure diagram of a part of the present utility model;
[0022] Figure 4 It is a top view structure diagram of the smoke guiding fan blade and the three-jaw chuck of the present utility model;
[0023] Figure 5 It is an enlarged three-dimensional structure diagram of the top area of the turntable in the present utility model;
[0024] Figure 6 It is an enlarged three-dimensional structure diagram of the bottom area of the turntable in the present utility model.
[0025] In the figure: 1, box body; 2, connecting frame; 3, electric push rod; 4, mounting block; 5, electric welding gun; 6, turntable; 7, three-jaw chuck; 8, rotating shaft; 9, driving motor; 10, driving bevel gear; 11, driven bevel gear; 12, through hole; 13, smoke guiding fan blade; 14, smoke filter element; 15, guiding column; 16, annular guiding groove; 17, metal ventilation duct. Detailed implementation manner
[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0027] Embodiment
[0028] Referring to Figure 1-6 , a welding device for inner side weld welding, including a box body 1, a connecting frame 2 welded to the rear outer wall of the box body 1, a position-adjustable welding gun mechanism and a rotary clamping mechanism;
[0029] In this embodiment, the position-adjustable welding gun mechanism includes an electric push rod 3 fixedly installed on the top outer wall of the connecting frame 2, a mounting block 4 fixedly connected to the telescopic end of the electric push rod 3, and an electric welding gun 5 fixedly installed on the side wall of the mounting block 4;
[0030] In this embodiment, the rotary clamping mechanism includes a turntable 6, a three-jaw chuck 7, a rotating shaft 8, a driving component, a smoke purification component and a guiding component;
[0031] Furthermore, the three-jaw chuck 7 is fixedly installed on the top outer wall of the turntable 6. A through hole 12 is opened at the center of the three-jaw chuck 7. Two metal ventilation ducts 17 are fixed at the center of the three-jaw chuck 7. The rotating shaft 8 is connected through a bearing to penetrate and connect with the inner wall of the top center of the box body 1;
[0032] Furthermore, the driving component includes a driving motor 9 fixedly installed on the inner wall of the bottom of the box body 1, a driving bevel gear 10 fixedly sleeved on the output shaft of the driving motor 9, and a driven bevel gear 11 fixedly sleeved on the rotating shaft 8. The driving bevel gear 10 and the driven bevel gear 11 are both located inside the box body 1, and the driving bevel gear 10 meshes with the driven bevel gear 11;
[0033] Furthermore, the smoke purification component includes a smoke guiding fan blade 13 located in the through hole 12, two exhaust ports opened on the turntable 6, and two smoke filter elements 14 fixedly embedded in the two exhaust ports. The turntable 6 and the smoke guiding fan blade 13 are both coaxially and fixedly connected to the rotating shaft 8;
[0034] When the smoke purification component is in use: The rotation of the smoke guiding fan blade 13 can guide the smoke generated during the welding process to the areas of the two smoke exhaust ports. During the smoke exhaust process, the smoke will be purified by the two smoke filters 14 and then discharged to the outside, which can effectively reduce the pollution of the air environment caused by the smoke during the welding process;
[0035] Furthermore, the guiding component includes four guiding columns 15 sequentially welded to the outer wall of the bottom of the turntable 6 and an annular guiding groove 16 opened on the top of the box body 1. The four guiding columns 15 are annularly distributed based on the center of the turntable 6, and the outer walls of the four guiding columns 15 are all slidably connected to the inner wall of the annular guiding groove 16, which can ensure the stability of the rotational movement of the three-jaw chuck 7.
[0036] The working principle of the present utility model: First, stack the two metal ventilation pipes 17 to be butted in the central area of the three-jaw chuck 7, and then clamp and fix them through the three-jaw chuck 7. Subsequently, control the electric welding gun 5 to descend to the internal butting area of the two metal ventilation pipes 17 through the electric push rod 3 for welding operation;
[0037] Secondly, control the driving motor 9 to rotate the driving bevel gear 10. Subsequently, the driven bevel gear 11 meshing with the driving bevel gear 10 will drive the turntable 6 and the smoke guiding fan blade 13 fixed on the rotating shaft 8 to rotate together. Subsequently, the turntable 6 will drive the two metal ventilation pipes 17 clamped and fixed on the three-jaw chuck 7 to rotate, which can uniformly weld the inner welds at the butting joints of the two metal ventilation pipes 17, thereby facilitating the improvement of the welding effect;
[0038] Finally, the rotation of the smoke guiding fan blade 13 can guide the smoke generated during the welding process to the areas of the two smoke exhaust ports. During the smoke exhaust process, the smoke will be purified by the two smoke filters 14 and then discharged to the outside, which can effectively reduce the pollution of the air environment caused by the smoke during the welding process.
[0039] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.
Claims
1. A welding device for inner welds, comprising a box body (1) and a connecting frame (2) welded to the outer wall at the rear of the box body (1), characterized in that, It also includes a position-adjustable welding torch mechanism and a rotary clamping mechanism; The position-adjustable welding torch mechanism includes an electric push rod (3) fixedly installed on the outer wall of the top of the connecting frame (2), a mounting block (4) fixedly connected to the telescopic end of the electric push rod (3), and an electric welding torch (5) fixedly installed on the side wall of the mounting block (4); The rotary clamping mechanism includes a turntable (6), a three-jaw chuck (7) fixedly installed on the outer wall of the top of the turntable (6), a rotating shaft (8) penetrating and connected to the inner wall of the center of the top of the box body (1) through a bearing, a guiding component, a driving component, and a smoke purification component.
2. The welding device for inner side weld welding according to claim 1, characterized in that, The driving component includes a driving motor (9) fixedly installed on the inner wall of the bottom of the box body (1), a driving bevel gear (10) fixedly sleeved on the output shaft of the driving motor (9), and a driven bevel gear (11) fixedly sleeved on the rotating shaft (8).
3. The welding device for inner side welds according to claim 2, characterized in that, Both the driving bevel gear (10) and the driven bevel gear (11) are located inside the box body (1), and the driving bevel gear (10) meshes with the driven bevel gear (11).
4. A welding device for inner side weld welding according to claim 1, characterized in that, A through hole (12) is opened at the center of the three-jaw chuck (7), and two metal ventilation ducts (17) are fixed at the center of the three-jaw chuck (7).
5. A welding device for inner side weld welding according to claim 1, characterized in that, The smoke purification component includes a smoke guiding fan blade (13) located in the through hole (12), two smoke exhaust ports opened on the turntable (6), and two smoke filters (14) fixedly embedded in the two smoke exhaust ports. Both the turntable (6) and the smoke guiding fan blade (13) are coaxially and fixedly connected to the rotating shaft (8).
6. The welding device for inner side weld welding according to claim 1, characterized in that, The guiding component includes four guiding columns (15) welded in sequence on the outer wall of the bottom of the turntable (6) and an annular guiding groove (16) opened on the top of the box body (1).
7. A welding device for welding inner side welds according to claim 6, characterized in that, The four guiding columns (15) are annularly distributed based on the center of the turntable (6), and the outer walls of the four guiding columns (15) are all slidably connected to the inner wall of the annular guiding groove (16).