Welding gun applied to TIG (Tungsten Inert Gas) welding

Abstract

The utility model provides a welding gun applied to the aspect of TIG (Tungsten Inert Gas) welding, which relates to the technical field of welding guns and comprises a welding gun main body, threads are arranged on the outer side of the top of the welding gun main body, an O-shaped sealing ring is further mounted on the outer side of the top of the welding gun main body, an airflow guide groove is formed in the welding gun main body, and an air inlet connector is mounted on the outer side of the welding gun main body; the interior of the air inlet connector communicates with an air flow guide groove in the welding gun body. An adjusting knob is rotationally mounted at the top of the welding gun main body; an adjusting part is also inserted into the adjusting knob; a guide groove is formed in the bottom of the welding gun body. The height of the tungsten needle can be quickly adjusted by rotating the adjusting knob, so that the tungsten needle is at a proper height, the welding precision, the welding quality and the aesthetic degree of a welding gun are ensured, the structure is simple, and the problems that the welding quality and the aesthetic degree are influenced due to the fact that the installation height of the tungsten needle is relatively fixed and the adaptability is relatively poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding guns, in particular to a welding gun used in TIG welding. Background Art

[0002] TIG welding is a welding method that uses an infusible tungsten electrode to generate an arc under the protection of inert gas to heat and melt the workpiece. The TIG welding torch can be used for welding strip raw materials in the stamping industry. Most of the TIG welding torches currently available on the market are used for handheld welding. Moreover, the welding torches on the market are large in size and have poor installation accuracy. The installation height of the tungsten needle is relatively fixed, with poor adaptability and poor height adjustability, which seriously affects the welding quality and aesthetics. Summary of the Invention

[0003] The embodiments of the present disclosure relate to a welding gun used in TIG welding to solve the problem that most of the TIG welding guns currently available on the market are used for handheld welding, are large in size, have poor installation accuracy, have a relatively fixed installation height of the tungsten needle, have poor adaptability, and have poor height adjustability of the tungsten needle, which seriously affects the welding quality and aesthetics.

[0004] In a first aspect of the present disclosure, a welding gun for use in TIG welding is provided, specifically comprising: a welding gun body, wherein the top outer side of the welding gun body is provided with a thread, and an O-ring is also installed on the top outer side of the welding gun body, and an air flow guide groove is provided inside the welding gun body, and an air inlet joint is installed on the outside of the welding gun body; the interior of the air inlet joint is communicated with the air flow guide groove inside the welding gun body; an adjustment knob is rotatably installed on the top of the welding gun body; a pin hole is provided on the outside of the adjustment knob, a fixing pin is installed inside the pin hole, and an adjustment member is also inserted into the interior of the adjustment knob; a guide groove is provided at the bottom of the welding gun body; a guide plate is slidably installed inside the guide groove.

[0005] Furthermore, a wire pressing terminal is slidably installed on the outer side of the top of the welding gun body; a groove is provided on the top of the side end of the wire pressing terminal, two fixing rods are installed inside the groove, and a slot is provided on the side end of the wire pressing terminal; a terminal cover is also slidably installed on the outer side of the top of the welding gun body.

[0006] Furthermore, the terminal cover is slidably installed on the top of the wire-crimping terminal, and a protrusion is provided on the side end of the terminal cover, and the protrusion on the side end of the terminal cover is inserted into the inside of the groove on the side end of the wire-crimping terminal; a fastening nut is rotatably installed on the outside of the top of the welding gun body; the fastening nut is installed on the top of the terminal cover.

[0007] Furthermore, a thread is provided on the inner side of the bottom of the welding gun body, and a guide nozzle is rotatably installed on the inner side of the bottom of the welding gun body; a thread is provided on the bottom of the guide nozzle, and a guide is rotatably installed on the bottom of the guide nozzle; a gasket is installed on the bottom of the welding gun body; a thread is provided on the outer side of the guide nozzle, and a ceramic nozzle is rotatably installed on the outer side of the guide nozzle; the ceramic nozzle is installed on the bottom of the gasket.

[0008] Furthermore, the bottom of the adjusting member is connected to the top of the clamping adjusting rod; the outer side of the clamping adjusting rod is rotatably mounted on the inner side of the welding gun body, and an O-ring is installed on the outer side of the clamping adjusting rod, the bottom of the clamping adjusting rod is provided with a thread, and a fixed chuck is rotatably mounted on the bottom of the clamping adjusting rod; a tungsten needle is clamped and mounted on the inner side of the clamping adjusting rod and the fixed chuck; the tungsten needle is also installed on the inner side of the guide nozzle and the guide member.

[0009] Furthermore, a positioning side plate is installed at the bottom of the guide plate; the positioning side plate is an inclined structure, and a positioning piece is installed at the bottom of the positioning side plate.

[0010] Furthermore, the positioning member is an arc-shaped structure, and a baffle is slidably installed on the inner side of the positioning member; a fixing bolt is rotatably installed on the outer side of the positioning member; and the inner part of the fixing bolt is installed on the outer side of the baffle.

[0011] The utility model provides a welding gun used in TIG welding, which has the following beneficial effects:

[0012] When the utility model is in use, the height of the tungsten needle can be quickly adjusted by rotating the adjustment knob. When welding strip raw materials, the polished tungsten needle is inserted into the high fixed clamp of the clamping adjustment rod for fixation. The clamping adjustment rod is installed inside the welding gun body. The adjustment knob is rotated to adjust the position of the clamping adjustment rod, thereby driving the tungsten needle to adjust its position so that the tungsten needle is at a suitable height, ensuring the accuracy of the welding operation of the welding gun as well as the welding quality and aesthetics. The utility model has a simple structure and is easy to operate, and ensures that the tungsten needle is at a suitable height for use.

[0013] In addition, by using a baffle to block the airflow flowing next to the welding gun, when welding strip raw materials, the guide plate rotates along the guide groove, and the guide plate drives the baffle to a position where the air flows around the welding gun, so that the baffle blocks the flowing airflow, reducing the inert gas ejected from the welding gun by the airflow, ensuring the welding quality of the welding position, and preventing the problem of bubbles and hollowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0015] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0016] In the attached figure:

[0017] Figure 1 A schematic diagram showing the overall structure of the present application;

[0018] Figure 2 Shows a schematic diagram of the decomposition structure of this application;

[0019] Figure 3 A schematic cross-sectional view of the welding gun body of the present application is shown;

[0020] Figure 4 A schematic cross-sectional view of the adjustment knob of the present application is shown;

[0021] Figure 5 A schematic diagram of the three-dimensional structure of the clamping adjustment rod of the present application is shown;

[0022] Figure 6 A schematic diagram of the three-dimensional structure of the baffle of the present application is shown;

[0023] Reference Signs List

[0024] 1. Welding gun body; 101. Air inlet connector; 102. Wire crimping terminal; 103. Fixing rod; 104. Terminal cover; 105. Fastening nut; 106. Flow guide nozzle; 107. Guide piece; 108. Washer; 109. Ceramic nozzle;

[0025] 2. Adjustment knob; 201. Adjustment member; 202. Clamping adjustment rod; 203. Fixing chuck; 204. Tungsten needle;

[0026] 3. Guide groove; 301. Guide plate; 302. Positioning side plate; 303. Positioning piece; 304. Baffle; 305. Fixing bolt. DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Please refer to Figures 1 to 6 :

[0029] Example 1:

[0030] The utility model proposes a welding gun used in TIG welding, comprising: a welding gun body 1, wherein the top outer side of the welding gun body 1 is provided with a thread, and the top outer side of the welding gun body 1 is also installed with an O-ring, and the interior of the welding gun body 1 is provided with an air flow guide groove, and the outside of the welding gun body 1 is installed with an air inlet joint 101; the interior of the air inlet joint 101 is connected with the air flow guide groove inside the welding gun body 1; a wire pressing terminal 102 is slidably installed on the top outer side of the welding gun body 1; a groove is provided on the top of the side end of the wire pressing terminal 102, two fixing rods 103 are installed inside the groove, and a slot is provided on the side end of the wire pressing terminal 102; a terminal cover plate 104 is also slidably installed on the top outer side of the welding gun body 1; the terminal cover plate 104 is slidably installed on the The top of the crimping terminal 102 and the side end of the terminal cover 104 are provided with a protrusion, and the protrusion at the side end of the terminal cover 104 is inserted into the inside of the slot at the side end of the crimping terminal 102; a fastening nut 105 is rotatably installed on the outer side of the top of the welding gun body 1; the fastening nut 105 is installed on the top of the terminal cover 104; a thread is provided on the inner side of the bottom of the welding gun body 1, and a guide nozzle 106 is rotatably installed on the inner side of the bottom of the welding gun body 1; the bottom of the guide nozzle 106 is provided with a thread, and a guide part 107 is rotatably installed on the bottom of the guide nozzle 106; a washer 108 is installed on the bottom of the welding gun body 1; a thread is provided on the outer side of the guide nozzle 106, and a ceramic nozzle 109 is rotatably installed on the outer side of the guide nozzle 106; the ceramic nozzle 109 is installed at the bottom of the washer 108.

[0031] In the embodiment of the present disclosure, when welding the strip raw material, the wire pressing terminal 102 is slidably installed on the top outer side of the welding gun body 1, and the connecting wire is connected to the fixing rod 103 in the groove at the top of the side end of the wire pressing terminal 102. The terminal cover 104 is slid on the top outer side of the welding gun body 1 to seal the groove above the top of the side end of the wire pressing terminal 102, and the connecting wire is fixed at the same time. The fastening nut 105 is rotated to fix the position of the terminal cover 104, and the guide nozzle 106 is rotatably installed on the inner bottom of the welding gun body 1. A guide piece 107 is installed at the bottom of 06, so that the guide nozzle 106 and the guide piece 107 guide the installed tungsten needle 204. A gasket 108 is installed on the top of the ceramic nozzle 109 and is rotatably installed on the outside of the guide nozzle 106. The gasket 108 isolates the ceramic nozzle 109 from heat conduction. The air inlet joint 101 is connected to the inert gas to guide the inert gas. The O-ring on the outside of the top of the welding gun body 1, the O-ring on the outside of the guide nozzle 106, and the O-ring on the outside of the clamping adjustment rod 202 prevent the welding gun from leaking inert gas.

[0032] Embodiment 2, on the basis of embodiment 1, an adjusting knob 2 is rotatably mounted on the top of the welding gun body 1; a pin hole is provided on the outside of the adjusting knob 2, a fixing pin is installed inside the pin hole, and an adjusting piece 201 is also inserted into the inside of the adjusting knob 2; the bottom of the adjusting piece 201 is connected to the top of the clamping adjusting rod 202; the outer side of the clamping adjusting rod 202 is rotatably mounted on the inner side of the welding gun body 1, and an O-ring is installed on the outer side of the clamping adjusting rod 202, the bottom of the clamping adjusting rod 202 is provided with a thread, and a fixing chuck 203 is rotatably mounted on the bottom of the clamping adjusting rod 202; the inner sides of the clamping adjusting rod 202 and the fixing chuck 203 are clamped and mounted Tungsten needle 204; the tungsten needle 204 is also installed on the inner side of the guide nozzle 106 and the guide member 107. When welding strip raw materials, the tungsten needle 204 is installed on the inner side of the clamping adjustment rod 202, and the fixing clamp 203 is rotated at the bottom of the clamping adjustment rod 202 to fix the position of the tungsten needle 204. The clamping adjustment rod 202 is installed on the inner side of the welding gun body 1, and the adjusting knob 2 is installed on the top of the welding gun body 1. The adjusting member 201 is inserted on the outer side of the adjusting knob 2. Rotating the adjusting knob 2 drives the adjusting member 201 to rotate, and the adjusting member 201 drives the clamping adjustment rod 202 to move on the inner side of the welding gun body 1 to adjust the height of the tungsten needle 204.

[0033] Example 3, based on Example 1, a guide groove 3 is provided at the bottom of the welding gun body 1; a guide plate 301 is slidably installed inside the guide groove 3; a positioning side plate 302 is installed at the bottom of the guide plate 301; the positioning side plate 302 is an inclined structure, and a positioning member 303 is installed at the bottom of the positioning side plate 302; the positioning member 303 is an arc-shaped structure, and a baffle 304 is slidably installed on the inner side of the positioning member 303; a fixing bolt 305 is rotatably installed on the outer side of the positioning member 303; the fixing bolt 305 is installed inside On the outside of the baffle 304, when welding the strip raw material, the positioning side plate 302 is pushed under the welding gun body 1 to drive the guide plate 301 to move along the guide groove 3, so that the positioning side plate 302 drives the positioning member 303 to be in the position of gas flow, and the baffle 304 is moved up and down on the inside of the positioning member 303. The fixing bolt 305 is turned to fix the position of the baffle 304, so that the baffle 304 blocks the airflow to prevent the airflow from blowing the inert gas ejected by the welding gun during welding, thereby ensuring the welding quality.

[0034] The working principle of this embodiment is as follows: the wire pressing terminal 102 is slidably installed on the top outer side of the welding gun body 1, the connecting wire is connected to the fixing rod 103 in the groove at the top of the side end of the wire pressing terminal 102, the sliding terminal cover 104 is sealed above the groove at the top of the side end of the wire pressing terminal 102, and the connecting wire is fixed at the same time, the fastening nut 105 is rotated to fix the position of the terminal cover 104, the guide nozzle 106 is rotatably installed on the inner bottom of the welding gun body 1, and a guide part 107 is installed at the bottom of the guide nozzle 106, the tungsten needle 204 is installed in the clamping adjustment rod 202, the fixing chuck 203 is rotatably installed at the bottom of the clamping adjustment rod 202 to fix the tungsten needle 204, and the clamping adjustment rod 202 is installed on the welding gun body Body 1, the adjusting knob 2 is installed on the top of the welding gun body 1, and the adjusting part 201 is inserted on the outside of the adjusting knob 2. Turning the adjusting knob 2 drives the adjusting part 201 to rotate, and the adjusting part 201 drives the clamping adjusting rod 202 to move on the inner side of the welding gun body 1 to adjust the height of the tungsten needle 204. The guide nozzle 106 and the guide part 107 guide the installed tungsten needle 204. The top mounting gasket 108 of the ceramic nozzle 109 is rotatably installed on the outside of the guide nozzle 106, pushing the positioning side plate 302 to drive the guide plate 301 to move along the guide groove 3. The positioning side plate 302 drives the positioning part 303 to be in the air flow position, and the baffle 304 moves up and down on the inner side of the positioning part 303 to block the airflow to ensure welding quality.

[0035] In this article, there are several points to note:

[0036] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0037] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0038] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A welding gun used in TIG welding, comprising: A welding gun body (1), wherein the top outer side of the welding gun body (1) is provided with a thread, and the top outer side of the welding gun body (1) is also installed with an O-ring, and the interior of the welding gun body (1) is provided with an air flow guide groove, and the outside of the welding gun body (1) is installed with an air inlet joint (101); the inside of the air inlet joint (101) is connected to the air flow guide groove inside the welding gun body (1); an adjusting knob (2) is rotatably installed on the top of the welding gun body (1); an adjusting member (201) is also inserted into the inside of the adjusting knob (2); the bottom of the adjusting member (201) is connected to the top of the clamping adjusting rod (202); the outside of the clamping adjusting rod (202) is rotatably installed on the inside of the welding gun body (1), and an O-ring is installed on the outside of the clamping adjusting rod (202); a guide groove (3) is opened at the bottom of the welding gun body (1); a guide plate (301) is slidably installed inside the guide groove (3).

2. A welding gun for TIG welding according to claim 1, characterized in that: A wire pressing terminal (102) is slidably mounted on the outer side of the top of the welding gun body (1); a groove is provided on the top of the side end of the wire pressing terminal (102), two fixing rods (103) are installed inside the groove, and a slot is provided on the side end of the wire pressing terminal (102); a terminal cover plate (104) is also slidably mounted on the outer side of the top of the welding gun body (1).

3. The welding gun used in TIG welding according to claim 2, characterized in that: The terminal cover (104) is slidably mounted on the top of the wire-pressing terminal (102), and a protrusion is provided on the side end of the terminal cover (104), and the protrusion on the side end of the terminal cover (104) is inserted into the inside of the slot on the side end of the wire-pressing terminal (102); a fastening nut (105) is rotatably mounted on the outside of the top of the welding gun body (1); the fastening nut (105) is mounted on the top of the terminal cover (104).

4. The welding gun used in TIG welding according to claim 3, characterized in that: The inner side of the bottom of the welding gun body (1) is provided with a thread, and a guide nozzle (106) is rotatably mounted on the inner side of the bottom of the welding gun body (1); the bottom of the guide nozzle (106) is provided with a thread, and a guide member (107) is rotatably mounted on the bottom of the guide nozzle (106); a washer (108) is mounted on the bottom of the welding gun body (1); the outer side of the guide nozzle (106) is provided with a thread, and a ceramic nozzle (109) is rotatably mounted on the outer side of the guide nozzle (106); the ceramic nozzle (109) is mounted on the bottom of the washer (108).

5. The welding gun used in TIG welding according to claim 4, characterized in that: The bottom of the clamping adjustment rod (202) is provided with a thread, and a fixed chuck (203) is rotatably mounted on the bottom of the clamping adjustment rod (202); a tungsten needle (204) is clamped and mounted on the inner sides of the clamping adjustment rod (202) and the fixed chuck (203); the tungsten needle (204) is also mounted on the inner sides of the guide nozzle (106) and the guide member (107).

6. The welding gun used in TIG welding according to claim 5, characterized in that: A positioning side plate (302) is installed at the bottom of the guide plate (301); the positioning side plate (302) is an inclined structure, and a positioning piece (303) is installed at the bottom of the positioning side plate (302).

7. The welding gun used in TIG welding according to claim 6, characterized in that: The positioning member (303) is an arc-shaped structure, and a baffle (304) is slidably mounted on the inner side of the positioning member (303); a fixing bolt (305) is rotatably mounted on the outer side of the positioning member (303); and the inner portion of the fixing bolt (305) is mounted on the outer side of the baffle (304).

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