Double-head welding gun mechanism for automatic argon arc welding

Abstract

The utility model discloses a double-headed welding gun mechanism for automatic argon arc welding, which relates to the technical field of welding guns and comprises a welding gun seat, a flow guide component is arranged at the bottom of the welding gun seat, and the double-headed welding gun mechanism is fixedly mounted at the top of the welding gun seat and used for realizing double-gun welding. The double-gun welding device is arranged above a welding gun base and comprises a set of gun bodies fixedly installed above the welding gun base, the angle between the two sets of gun bodies is 35 degrees, and double-gun welding is achieved through a tungsten needle unit. The tungsten needle unit is arranged in the welding gun unit and used for replacing a tungsten needle; and the adjusting unit is arranged outside the welding gun units, and the two welding gun units which are staggered by a certain angle are arranged on the welding gun base, so that the function that double guns work at the same time is achieved. Therefore, when the two welding machines act on the two welding guns respectively, currents of the two welding machines can be overlapped together to act on a workpiece, and therefore the welding current output capacity is remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of welding torch technology, specifically a double-headed welding torch mechanism for automatic argon arc welding. Background Technology

[0002] Argon arc welding, also known as tungsten inert gas welding, is an electric arc welding method that uses argon or other inert gases as a protective medium.

[0003] According to the patent titled "Automatic Wire Feeding Straight-Pole Manual TIG Welding Torch" (Patent Publication No.: CN215902896U, Patent Publication Date: 2022-02-25), it includes a welding torch body and a wire feeding pipe parallel to and fixedly connected to the welding torch body. The welding torch body includes an adjusting rod connected to an electric welding machine, the other end of which is fixedly connected to an extension rod. The other end of the extension rod is fixedly connected to the welding torch, and the other end of the welding torch is fixedly connected to a glass nozzle. An arc-starting switch is provided on the side wall of the extension rod. The wire feeding pipe includes a wire feeding hose connected to a wire feeding mechanism, the other end of which is connected to a wire outlet pipe. The wire feeding switch is connected to the wire feeding mechanism. The welding torch has a small diameter, can extend through the tube sheet hole, and has an automatic wire feeding system, enabling welding of the weld seam between the welding heat exchange tube and the tube sheet of the equipment.

[0004] Based on the aforementioned existing technologies, the existing automatic welding torch mechanisms for argon arc welding still have the following problems: traditional manual welding torches are all single welding torches, and the current output of a single welding torch is small, making it difficult to use on high-speed, high-current automated welding equipment. Therefore, this utility model provides a double-headed welding torch mechanism for automatic argon arc welding. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a double-headed welding torch mechanism for automatic argon arc welding, which solves the following problems that still exist in existing automatic argon arc welding torch mechanisms: traditional manual welding torches are all single welding torches, and the current output of a single welding torch is small, making it difficult to use on high-speed, high-current automated welding equipment.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a double-headed welding torch mechanism for automatic argon arc welding, comprising a welding torch holder, a flow guiding component at the bottom of the welding torch holder, and a double-headed welding torch mechanism fixedly mounted on the top of the welding torch holder for achieving dual-torch welding. The double-headed welding torch mechanism includes:

[0007] The welding torch unit is located above the welding torch holder and includes a set of torch bodies fixedly installed above the welding torch holder. The angle between the two sets of torch bodies is 35 degrees, and dual-torch welding is achieved through a tungsten needle unit.

[0008] The tungsten needle unit is located inside the welding torch unit and is used to replace the tungsten needle.

[0009] An adjustment unit is located outside the welding torch unit and is used to dynamically adjust the position of the tungsten needle.

[0010] Preferably, the welding torch unit further includes a torch cooling water inlet and a torch cooling water outlet fixedly installed on the surface of the torch body for circulating cooling of the torch body, and a protective gas inlet is fixedly installed on the surface of the torch body.

[0011] Preferably, the tungsten needle unit includes a threaded sleeve that is rotatably mounted on the top of the gun body, and a tungsten needle inner clamp is fixedly installed inside the threaded sleeve, and a tungsten needle is fixedly installed inside the tungsten needle inner clamp.

[0012] Preferably, the adjustment unit includes a nut seat rotatably mounted on the surface of the gun body, and a spring is installed between the nut seat and the gun body for limiting the connection. The gun body and the welding gun holder are connected by a sliding sleeve, and the nut seat is threadedly rotatably mounted on the surface of the sliding sleeve.

[0013] Preferably, the flow guiding component includes a water-cooled base fixedly installed at the bottom of the welding torch holder, and a gas flow guiding channel circulating water-cooled inlet and a gas flow guiding channel circulating water-cooled outlet are fixedly installed on one side of the water-cooled base.

[0014] Preferably, a gas guide groove is fixedly installed at the bottom of the water-cooled base to ensure more adequate protection gas during welding.

[0015] This invention provides a double-headed welding torch mechanism for automatic argon arc welding. Compared with the prior art, it has the following advantages:

[0016] 1. This automatic argon arc welding double-head welding torch mechanism achieves simultaneous operation of two torches by setting two welding torch units offset at a certain angle on the torch holder. This allows the current from two welding machines acting on two welding torches to be superimposed and applied to the workpiece, thereby significantly improving the welding current output capability.

[0017] 2. This automatic argon arc welding double-head welding torch mechanism features an independent cooling water circulation system for each torch unit, including a torch cooling water inlet and outlet. This ensures effective cooling of the torch under high current operation, preventing performance degradation or damage due to overheating. Additionally, each torch is equipped with an independent shielding gas inlet to effectively prevent tungsten needle oxidation and protect welding quality. Attached Figure Description

[0018] Figure 1 This is a right-side perspective view of the structure of this utility model;

[0019] Figure 2 This is a front structural view of the present invention;

[0020] Figure 3 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 4 This is a cross-sectional perspective view of the present invention.

[0022] In the diagram: 1-Welding torch holder, 2-Double-headed welding torch mechanism, 21-Welding torch unit, 211-Gun body, 212-Gun body cooling water inlet, 213-Gun body cooling water outlet, 214-Shielding gas inlet, 22-Tungsten needle unit, 221-Threaded sleeve, 222-Tungsten needle outer clamp, 223-Tungsten needle inner clamp, 224-Tungsten needle, 23-Adjustment unit, 231-Nut seat, 232-Spring, 3-Flow guide assembly, 31-Water-cooled base, 32-Gas flow guide channel circulating water-cooled inlet, 33-Gas flow guide channel circulating water-cooled outlet, 34-Gas flow guide channel. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4 This utility model provides a technical solution:

[0025] A dual-head welding torch mechanism for automatic argon arc welding includes a welding torch holder 1, a flow guiding component 3 at the bottom of the welding torch holder 1, and a dual-head welding torch mechanism 2 fixedly mounted on the top of the welding torch holder 1 for realizing dual-torch welding. The dual-head welding torch mechanism 2 includes:

[0026] The welding torch unit 21 is located above the welding torch holder 1 and includes a set of torch bodies 211 fixedly installed above the welding torch holder 1. The angle between the two sets of torch bodies 211 is 35 degrees, and dual-torch welding is achieved through the tungsten needle unit 22.

[0027] The tungsten needle unit 22 is located inside the welding torch unit 21 and is used to replace the tungsten needle.

[0028] The adjustment unit 23 is located outside the welding torch unit 21 and is used to dynamically adjust the position of the tungsten needle.

[0029] By setting two welding torch units 21 offset at a certain angle on the welding torch holder 1, the function of simultaneous operation of two torches is realized. This allows the currents of the two welding machines to be superimposed and applied to the workpiece when they are applied to the two welding torches respectively, thereby significantly improving the welding current output capability.

[0030] In this embodiment, the welding torch unit 21 also includes a torch cooling water inlet 212 and a torch cooling water outlet 213 fixedly installed on the surface of the torch body 211 for circulating cooling of the torch body 211. A protective gas inlet 214 is fixedly installed on the surface of the torch body 211.

[0031] Each welding torch unit 21 is equipped with an independent cooling water circulation system, including a torch body cooling water inlet 212 and a torch body cooling water outlet 213, to ensure that the torch body 211 can be effectively cooled under high current operating conditions, and to avoid performance degradation or damage caused by overheating.

[0032] Each gun body 211 is also equipped with an independent protective gas inlet 214, which effectively prevents tungsten needle oxidation and protects welding quality.

[0033] In this embodiment, the tungsten needle unit 22 includes a threaded sleeve 221 that is rotatably mounted on the top of the gun body 211. A tungsten needle inner clamp 223 is fixedly installed inside the threaded sleeve 221, and a tungsten needle 224 is fixedly installed inside the tungsten needle inner clamp 223.

[0034] In this embodiment, the adjustment unit 23 includes a nut seat 231 rotatably mounted on the surface of the gun body 211, and a spring 232 is installed between the nut seat 231 and the gun body 211 for limiting the connection. The gun body 211 and the welding gun holder 1 are connected by a sliding sleeve, and the nut seat 231 is threadedly mounted on the surface of the sliding sleeve.

[0035] In this embodiment, the flow guiding component 3 includes a water-cooled base 31 fixedly installed at the bottom of the welding torch holder 1. A gas flow guiding groove circulating water-cooled inlet 32 ​​and a gas flow guiding groove circulating water-cooled outlet 33 are fixedly installed on one side of the water-cooled base 31. A gas flow guiding groove 34 is fixedly installed at the bottom of the water-cooled base 31 to ensure more sufficient protective gas during welding.

[0036] The two welding torches share a single gas guide channel 34, which ensures more sufficient protective gas during welding and better welding results. Since the guide channel is located at a high welding temperature, it is designed with a circulating water cooling tank, which can effectively remove welding heat and ultimately achieve high-speed, high-current automated welding.

[0037] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0038] During operation, firstly, two holes are opened on the welding torch holder 1 at a certain angle, and a double-headed welding torch mechanism 2 is installed in each hole. The double-headed welding torch mechanism 2 is equipped with an outer tungsten needle clamp 222 and an inner tungsten needle clamp 223. The outer tungsten needle clamp 222 and the inner tungsten needle clamp 223 are equipped with welding tungsten needles 224. The tips of the tungsten needles 224 of the two double-headed welding torch mechanisms 2 are tangent. When the two welding machines are working on the welding torches respectively, their currents are superimposed and act on the workpiece to complete the high-current welding.

[0039] Next, when the double-headed welding torch mechanism 2 is running, the torch body cooling water inlet 212 inputs cooling water into the torch body 211 and flows out from the torch body cooling water outlet 213 to circulate and cool the torch body 211. The protective gas is input into the torch body 211 through the protective gas inlet 214 to protect the tungsten needle 224.

[0040] Secondly, the user rotates the threaded sleeve 221 and pulls the tungsten needle 224 out of the gun body 211 through the tungsten needle outer clamp 222 and the tungsten needle inner clamp 223 to replace the tungsten needle 224;

[0041] Then, the user rotates the nut seat 231, causing the gun body to move inside the slide sleeve, thereby adjusting the position of the gun body.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double-headed welding torch mechanism for automatic argon arc welding, comprising a welding torch holder (1), wherein a flow guiding component (3) is provided at the bottom of the welding torch holder (1), characterized in that: The top of the welding torch holder (1) is fixedly equipped with a double-headed welding torch mechanism (2) for realizing double-torch welding. The double-headed welding torch mechanism (2) includes: The welding torch unit (21) is located above the welding torch holder (1) and includes a set of torch bodies (211) fixedly installed above the welding torch holder (1). The angle between the two sets of torch bodies (211) is thirty-five degrees, and double-torch welding is achieved through the tungsten needle unit (22). The tungsten needle unit (22) is located inside the welding torch unit (21) and is used to replace the tungsten needle; An adjustment unit (23) is located outside the welding torch unit (21) and is used to dynamically adjust the position of the tungsten needle.

2. The double-headed welding torch mechanism for automatic argon arc welding according to claim 1, characterized in that: The welding torch unit (21) also includes a torch cooling water inlet (212) and a torch cooling water outlet (213) fixedly installed on the surface of the torch body (211) for circulating cooling of the torch body (211). A protective gas inlet (214) is fixedly installed on the surface of the torch body (211).

3. The double-headed welding torch mechanism for automatic argon arc welding according to claim 1, characterized in that: The tungsten needle unit (22) includes a threaded sleeve (221) that is rotatably mounted on the top of the gun body (211). A tungsten needle inner clamp (223) is fixedly installed inside the threaded sleeve (221), and a tungsten needle (224) is fixedly installed inside the tungsten needle inner clamp (223).

4. The double-headed welding torch mechanism for automatic argon arc welding according to claim 1, characterized in that: The adjustment unit (23) includes a nut seat (231) rotatably mounted on the surface of the gun body (211), and a spring (232) is installed between the nut seat (231) and the gun body (211) for limiting. The gun body (211) and the welding gun holder (1) are connected by a sliding sleeve, and the nut seat (231) is threadedly mounted on the surface of the sliding sleeve.

5. The double-headed welding torch mechanism for automatic argon arc welding according to claim 1, characterized in that: The flow guiding component (3) includes a water-cooled base (31) fixedly installed at the bottom of the welding torch holder (1), and a gas flow guiding groove circulating water-cooled inlet (32) and a gas flow guiding groove circulating water-cooled outlet (33) are fixedly installed on one side of the water-cooled base (31).

6. The double-headed welding torch mechanism for automatic argon arc welding according to claim 5, characterized in that: The bottom of the water-cooled base (31) is fixedly installed with a gas guide groove (34) to ensure more adequate protective gas during welding.

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