Special TIG (Tungsten Inert Gas) welding gun for welding inner ring of sealing ring

By adopting integrated design in the TIG welding gun for the seal ring inner ring welding and the camera automatically recognizes the weld and inert gas conduction, the problem of low welding accuracy and efficiency of the seal ring internally is solved, and high accuracy and high quality are achieved Efficient welding effect.

CN222154230UActive Publication Date: 2024-12-13NANCHANG HANGKONG UNIVERSITY
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Patent Information

Application Number
CN202420758908.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2024-12-13
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

When welding the inner space of the sealing ring, the prior art relies on manual control and naked eye judgment, resulting in poor molding and inefficient welds, especially in the case of narrow space and complex structure, it is difficult to accurately weld.

Method used

A special TIG welding torch for welding the inner ring of the sealing ring is designed. It adopts an integrated welding torch body, equipped with a detachable tungsten needle mount and camera. The weld is automatically identified through the camera and connected to the central controller to achieve welding. The precise positioning of the seams, combined with inert gas conduction and cooling mechanism, adapts to welding tasks in narrow and complex spaces.

Benefits of technology

It significantly improves the accuracy and welding efficiency of weld forming, abandons the limitations of manual operation and naked eye judgment, and ensures the overall quality of the sealing ring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special TIG (Tungsten Inert Gas) welding gun for welding an inner ring of a sealing ring, which comprises a welding gun main body, the welding gun main body is integrally processed and formed, a tungsten needle mounting seat and a camera are detachably mounted on the welding gun main body, a tungsten needle is detachably mounted on the tungsten needle mounting seat, and the camera is detachably mounted on the tungsten needle mounting seat. The welding gun body is provided with a camera, the information collecting end of the camera faces the welding end of the tungsten needle, the camera is in signal connection with a central controller, the welding gun body is provided with a gas conveying pipeline, the gas conveying pipeline can be communicated with inert gas, and the gas outlet end of the gas conveying pipeline faces the tungsten needle. According to the special TIG welding gun for welding the inner ring of the sealing ring, a welding seam can be automatically identified and accurately positioned, the limitation of traditional manual operation and naked eye judgment is abandoned, and the welding seam forming accuracy and the welding working efficiency are remarkably improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding tools, in particular to a special TIG welding gun used for welding the inner ring of a sealing ring. Background Art

[0002] At present, some small space welding technologies still have many defects, especially when performing delicate welding work in the internal space of the sealing ring. The weld centering process relies entirely on manual control and visual judgment. This method is not only inefficient, but also easily affected by human factors. Due to errors in visual judgment, deviations are likely to occur during the weld centering process, resulting in poor weld formation, which in turn affects the overall quality of the sealing ring. In addition, if the internal structure of the sealing ring is complex and the space is small, the welding gun needs to penetrate into the internal space of the sealing ring for welding, which may make it difficult for people to observe part of the weld inside the sealing ring, making it difficult to center the weld, affecting the overall quality of the sealing ring.

[0003] Therefore, it is necessary to develop a special TIG welding gun for welding the inner ring of the sealing ring in view of the above defects. Utility Model Content

[0004] The purpose of the utility model is to provide a special TIG welding gun for welding the inner ring of a sealing ring, which can automatically identify and accurately locate the weld, abandon the limitations of traditional manual operation and naked eye judgment, and significantly improve the accuracy of weld forming and welding work efficiency.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses a special TIG welding torch for welding the inner ring of a sealing ring, comprising a welding torch body, wherein the welding torch body is formed by integrated processing, a tungsten needle mounting seat and a camera are detachably mounted on the welding torch body, a tungsten needle is detachably mounted on the tungsten needle mounting seat, an information collection end of the camera faces the welding end of the tungsten needle, a signal of the camera is connected to a central controller, a gas pipeline is arranged on the welding torch body, the gas pipeline can be communicated with an inert gas, and a gas outlet end of the gas pipeline faces the tungsten needle.

[0007] Furthermore, the welding gun body is provided with a first mounting hole and a mounting groove, the tungsten needle mounting seat is installed in the first mounting hole, the camera is installed in the mounting groove, and the axis of the first mounting hole and the axis of the welding gun body meet the vertical condition.

[0008] Furthermore, the gas pipeline extends from the end of the welding gun body in a direction parallel to the axial direction of the welding gun body to be connected with the first mounting hole, the tungsten needle mounting seat is provided with a second mounting hole, the tungsten needle is installed in the second mounting hole, and the tungsten needle mounting seat is provided with a connecting hole, and the connecting hole connects the gas pipeline and the second mounting hole.

[0009] Furthermore, the tungsten needle mounting seat is provided with a gas delivery groove, the gas delivery groove is extended along the outer circumferential direction of the tungsten needle mounting seat, and the connecting hole is extended from the gas delivery groove to the second mounting hole.

[0010] Furthermore, two groups of sealing rings are arranged on the tungsten needle mounting seat, the two groups of sealing rings are respectively arranged on both sides of the gas delivery groove, and the two groups of sealing rings are located between the welding gun body and the tungsten needle mounting seat.

[0011] Furthermore, it also includes a cooling mechanism, which is arranged in the welding gun body, and the cooling mechanism includes a liquid inlet pipe, a liquid outlet pipe and a connecting pipe. The liquid inlet pipe and the liquid outlet pipe are both arranged parallel to the axis of the welding gun body. The connecting pipe connects the liquid inlet pipe and the liquid outlet pipe, and the tungsten needle mounting seat is located in the trajectory space enclosed by the liquid inlet pipe, the liquid outlet pipe and the connecting pipe.

[0012] Furthermore, the communicating pipe runs through the welding gun body, and sealing structures are provided at both ends of the communicating pipe.

[0013] Compared with the prior art, the beneficial technical effects of the utility model are:

[0014] The utility model discloses a special TIG welding gun for welding the inner ring of a sealing ring. The integrated design has a compact structure and greatly reduces the volume of the welding gun, so that it can easily adapt to the narrow and complex internal space of the sealing ring, thereby completing delicate welding tasks. By setting a camera, the weld can be automatically identified and accurately located, eliminating the limitations of traditional manual operation and naked eye judgment, and significantly improving the accuracy of weld formation and welding work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the main structure of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model;

[0017] Figure 2 It is a schematic diagram of the main cross-sectional structure of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model;

[0018] Figure 3 It is a schematic diagram of the top view of the structure of the special TIG welding gun used for welding the inner ring of the sealing ring of the utility model;

[0019] Figure 4 It is a top view and cross-sectional structure schematic diagram of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model;

[0021] Figure 6 It is a three-dimensional perspective structural schematic diagram of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model.

[0022] Explanation of the reference numerals: 1. welding gun body; 2. tungsten needle mounting seat; 201. gas pipeline; 202. gas delivery groove; 203. sealing ring; 3. camera; 4. tungsten needle; 5. gas pipeline; 6. cooling mechanism; 601. liquid inlet pipeline; 602. liquid outlet pipeline; 603. connecting pipeline. DETAILED DESCRIPTION

[0023] The purpose of the utility model is to provide a special TIG welding gun for welding the inner ring of a sealing ring, which can automatically identify and accurately locate the weld, abandon the limitations of traditional manual operation and naked eye judgment, and significantly improve the accuracy of weld forming and welding work efficiency.

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] With reference to the accompanying drawings, Figure 1 This is a schematic diagram of the main structure of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model; Figure 2It is a schematic diagram of the main cross-sectional structure of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model; Figure 3 It is a schematic diagram of the top view of the structure of the special TIG welding gun used for welding the inner ring of the sealing ring of the utility model; Figure 4 It is a top view and cross-sectional structure schematic diagram of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model; Figure 5 It is a three-dimensional structural schematic diagram of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model; Figure 6 It is a three-dimensional perspective structural schematic diagram of a special TIG welding gun for welding the inner ring of a sealing ring according to the utility model.

[0027] In a specific embodiment, Figures 1 to 6 As shown, a special TIG welding gun for welding the inner ring of a sealing ring comprises a welding gun body 1, which is formed by integrated processing. A tungsten needle mounting seat 2 and a camera 3 are detachably mounted on the welding gun body 1, and a tungsten needle 4 is detachably mounted on the tungsten needle mounting seat 2. The information collection end of the camera 3 faces the welding end of the tungsten needle 4, and the signal of the camera 3 is connected to the central controller. A gas pipeline 5 is arranged on the welding gun body 1, and the gas pipeline 5 can be conducted with an inert gas, and the gas outlet end of the gas pipeline 5 faces the tungsten needle 4, and the inert gas is introduced into the tungsten needle 4 to complete welding protection.

[0028] By providing an integrated welding gun body 1, the structure of the welding gun body 1 is made compact, and the volume of the welding gun is greatly reduced, so that it can easily adapt to the narrow and complex internal space of the sealing ring, thereby completing delicate welding tasks.

[0029] By setting up the camera 3, during the welding process, the camera 3 identifies the weld and collects information, and transmits the collected information to the central controller, which analyzes the collected information and adjusts the position of the welding gun according to the analysis result, and then adjusts the position of the welding end of the tungsten needle 4, so that the weld is accurately positioned, abandoning the limitations of traditional manual operation and naked eye judgment, and significantly improving the accuracy of weld formation and welding work efficiency.

[0030] In a specific embodiment of the present invention, Figure 2As shown, the welding gun body 1 is provided with a first mounting hole and a mounting groove, the tungsten needle mounting seat 2 is installed in the first mounting hole, and a tungsten needle mounting seat ejector pin is provided on the welding gun body 1. The tungsten needle mounting seat 2 is fixed in the first mounting hole through the tungsten needle mounting seat ejector pin. Specifically, the tungsten needle mounting seat 2 can also be fixed in the first mounting hole by other means such as threaded connection, and the camera 3 is installed in the mounting groove; to ensure that the information acquisition end of the camera 3 can accurately collect the tungsten needle 4, the mounting groove is composed of two concave inclined surfaces, and the camera 3 is installed on the inclined surface away from the tungsten needle mounting seat 2, and the inclined surface away from the tungsten needle mounting seat 2 faces the welding end of the tungsten needle 4. In order to enable the welding gun to more conveniently weld the inner ring of the sealing ring, the axis of the first mounting hole and the axis of the welding gun body 1 meet the vertical condition, so that during the welding process, the tungsten needle 4 is perpendicular to the inner ring of the sealing ring, thereby facilitating welding.

[0031] In a specific embodiment of the present invention, Figure 2 , Figure 4 and Figure 6 As shown, the gas pipeline 5 extends from the end of the welding gun body 1 in a direction parallel to the axial direction of the welding gun body 1 to be connected with the first mounting hole, a second mounting hole is provided on the tungsten needle mounting seat 2, the tungsten needle 4 is installed in the second mounting hole, a tungsten needle ejector is provided on the tungsten needle mounting seat 2, and the tungsten needle 4 is fixed in the second mounting hole through the tungsten needle ejector; in order to connect the gas pipeline 5 with the second mounting hole, a connecting hole 201 is provided on the tungsten needle mounting seat 2, and the connecting hole 201 connects the gas pipeline 5 with the second mounting hole.

[0032] In a specific embodiment of the present invention, Figure 2 , Figure 4 and Figure 6 As shown, in order not to limit the axial installation direction of the tungsten needle mounting seat 2, the tungsten needle mounting seat 2 is provided with a gas delivery groove 202, and the gas delivery groove 202 is extended along the outer circumferential direction of the tungsten needle mounting seat 2, and the connecting hole 201 is formed by extending from the gas delivery groove 202 to the second mounting hole. By setting the gas delivery groove 202, the connecting hole 201 can input the inert gas in the gas pipeline 5 into the second mounting hole regardless of the direction it faces.

[0033] In a specific embodiment of the present invention, Figure 2 As shown, two groups of sealing rings 203 are arranged on the tungsten needle mounting seat 2, and the two groups of sealing rings 203 are respectively arranged on both sides of the gas delivery groove 202, and the two groups of sealing rings 203 are located between the welding gun body 1 and the tungsten needle mounting seat 2, and at least one sealing ring 203 is arranged in each group of sealing rings 203, and the number of sealing rings 203 in the two groups of sealing rings 203 can be the same or different.

[0034] In a specific embodiment of the present invention, Figure 4 and Figure 6 As shown, in order to effectively solve the overheating problem caused by long-term work, a cooling mechanism is also provided. The cooling mechanism 6 is arranged in the welding gun body 1. The cooling mechanism 6 includes a liquid inlet pipe 601, a liquid outlet pipe 602 and a connecting pipe 603. The liquid inlet pipe 601 and the liquid outlet pipe 602 are both arranged parallel to the axis of the welding gun body 1. The connecting pipe 603 connects the liquid inlet pipe 601 and the liquid outlet pipe 602. In order to enable the coolant to fully absorb heat and improve the cooling efficiency, the tungsten needle mounting seat 2 is located in the trajectory space enclosed by the liquid inlet pipe 601, the liquid outlet pipe 602 and the connecting pipe 603.

[0035] In a specific embodiment of the present invention, Figure 4 and Figure 6 As shown, in order to facilitate the processing of the welding gun body 1, the connecting pipe 603 runs through the welding gun body 1. In order to prevent the coolant from flowing out from both ends of the connecting pipe 603, sealing structures are provided at both ends of the connecting pipe 603. Specifically, the sealing structure can be provided as a water stop plug with a water stop gasket.

[0036] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0037] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A special TIG welding gun for welding the inner ring of the sealing ring, characterized in that: include: A welding gun body (1), wherein the welding gun body (1) is integrally formed, a tungsten needle mounting seat (2) and a camera (3) are detachably mounted on the welding gun body (1), a tungsten needle (4) is detachably mounted on the tungsten needle mounting seat (2), an information collection end of the camera (3) faces the welding end of the tungsten needle (4), a signal of the camera (3) is connected to a central controller, and a gas pipeline (5) is arranged on the welding gun body (1), the gas pipeline (5) can be communicated with an inert gas, and a gas outlet end of the gas pipeline (5) faces the tungsten needle (4).

2. The special TIG welding gun for welding the inner ring of the sealing ring according to claim 1 is characterized in that: The welding gun body (1) is provided with a first mounting hole and a mounting groove, the tungsten needle mounting seat (2) is mounted in the first mounting hole, the camera (3) is mounted in the mounting groove, and the axis of the first mounting hole and the axis of the welding gun body (1) meet the vertical condition.

3. The special TIG welding gun for welding the inner ring of the sealing ring according to claim 2 is characterized in that: The gas pipeline (5) extends from the end of the welding gun body (1) in a direction parallel to the axial direction of the welding gun body (1) to communicate with the first mounting hole, the tungsten needle mounting seat (2) is provided with a second mounting hole, the tungsten needle (4) is mounted in the second mounting hole, and the tungsten needle mounting seat (2) is provided with a connecting hole (201), and the connecting hole (201) connects the gas pipeline (5) and the second mounting hole.

4. The special TIG welding gun for welding the inner ring of the sealing ring according to claim 3 is characterized in that: The tungsten needle mounting seat (2) is provided with a gas delivery groove (202), the gas delivery groove (202) is formed extending along the outer circumference direction of the tungsten needle mounting seat (2), and the connecting hole (201) is formed extending through the gas delivery groove (202) to the second mounting hole.

5. The special TIG welding gun for welding the inner ring of the sealing ring according to claim 4 is characterized in that: Two groups of sealing rings (203) are arranged on the tungsten needle mounting seat (2), and the two groups of sealing rings (203) are respectively arranged on both sides of the gas delivery groove (202), and the two groups of sealing rings (203) are located between the welding gun body (1) and the tungsten needle mounting seat (2).

6. The special TIG welding gun for welding the inner ring of the sealing ring according to claim 1 is characterized in that: The invention also comprises a cooling mechanism, wherein the cooling mechanism (6) is arranged in the welding gun body (1), the cooling mechanism (6) comprises a liquid inlet pipe (601), a liquid outlet pipe (602) and a connecting pipe (603), the liquid inlet pipe (601) and the liquid outlet pipe (602) are both arranged parallel to the axis of the welding gun body (1), the connecting pipe (603) connects the liquid inlet pipe (601) and the liquid outlet pipe (602), and the tungsten needle mounting seat (2) is located in a trajectory space enclosed by the liquid inlet pipe (601), the liquid outlet pipe (602) and the connecting pipe (603).

7. The special TIG welding gun for welding the inner ring of the sealing ring according to claim 6 is characterized in that: The communicating pipe (603) passes through the welding gun body (1), and sealing structures are provided at both ends of the communicating pipe (603).