Internal high temperature resistant structure of a welding gun

Abstract

The utility model discloses a high temperature prevention structure in the inside of welding gun, including welding torch pipe, the inside of welding torch pipe is provided with mixed gas pipe, is provided with the welding nozzle at the top of mixed gas pipe, the inner wall fixed of welding torch pipe has the heat dissipation frame, and mixed gas pipe is wrapped by heat dissipation frame, and the frame body of heat dissipation frame is provided with the heat pipe for cooling water circulation. The utility model discloses adopting polygonal heat dissipation frame, sets up the heat pipe of heat dissipation in the heat dissipation frame, can improve the heat dissipation efficiency, moreover can increase the strength of welding torch pipe, and the heat dissipation frame adopts the design of openwork, will not increase the weight of welding torch pipe too much.

Description

Technical Field

[0001] This utility model relates to the field of welding torch technology, and in particular to a high-temperature protection structure inside a welding torch. Background Technology

[0002] A welding torch is one of the main pieces of equipment for hot air welding. It consists of a heating element, nozzle, etc. Based on its structure, it can be divided into gas welding torches, electric welding torches, high-speed welding torches, and automatic welding torches. A gas welding torch uses the combustion of a combustible gas (a mixture of hydrogen or acetylene and air) to heat the coil, thus heating the compressed air supplied to the coil to the required temperature. The amount of air supplied or supplied is adjusted by a stopcock. An electric welding torch's heating device consists of a ceramic tube and a heating wire within it.

[0003] When using existing gas welding guns, the barrel is prone to overheating after prolonged use, and it needs to be allowed to cool down before use. Utility Model Content

[0004] To address the aforementioned technical problems, a high-temperature resistant structure for the inside of a welding gun is provided.

[0005] To achieve the above objectives, in a preferred embodiment of the present invention, the present invention includes a welding gun tube, a mixing gas pipe is provided inside the welding gun tube, a welding nozzle is provided at the top of the mixing gas pipe, a heat sink is fixed to the inner wall of the welding gun tube, the mixing gas pipe is wrapped by the heat sink, and a heat pipe for cooling water circulation is provided in the frame of the heat sink.

[0006] In a preferred embodiment, the present invention may be further configured such that the frame of the heat sink is hollow and the whole is polygonal.

[0007] In a preferred embodiment, the present invention may be further configured such that each side of the heat sink is provided with a U-shaped heat pipe, and adjacent heat pipes are connected at one section to form a continuous S-shaped circulation channel.

[0008] In a preferred embodiment, the present invention may be further configured such that a heat-conducting plate is provided on the outer side of the heat sink, and the heat-conducting plate is in contact with the heat pipe on the inner side.

[0009] In a preferred embodiment, the present invention may be further configured such that the surface of the heat-conducting plate is provided with vertical heat dissipation fins, and the heat dissipation fins extend outward through the welding gun tube.

[0010] Beneficial effects: The high-temperature protection structure inside the welding gun of this utility model adopts a polygonal heat sink frame, in which the heat pipe for heat dissipation is placed. This not only improves the heat dissipation efficiency, but also increases the strength of the welding gun tube. Furthermore, the heat sink frame adopts a hollow design, which does not add too much weight to the welding gun tube. Attached Figure Description

[0011] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0012] Figure 1 This is a schematic diagram of the overall design of this utility model.

[0013] Figure 2 This is a schematic diagram of the heat sink bracket of this utility model.

[0014] In the diagram, 1 is the welding gun tube; 2 is the heat sink; 3 is the heat sink fins; 4 is the heat pipe; and 5 is the heat conduction plate. Detailed Implementation

[0015] 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.

[0016] like Figure 1 and Figure 2 As shown, a high-temperature resistant structure inside a welding gun includes a welding gun tube 1. A mixing gas pipe is installed inside the welding gun tube 1, and a welding nozzle is installed at the top of the mixing gas pipe. A heat sink 2 is fixed to the inner wall of the welding gun tube 1. The mixing gas pipe is wrapped by the heat sink 2. A heat pipe 4 for cooling water circulation is installed in the frame of the heat sink 2. In use, coolant is put in through the water inlet, and the coolant flows through the heat pipe 4 in sequence and is finally discharged from the water outlet. Heat exchange occurs during the flow process. In addition, the heat dissipation fins 3 on the outside of the heat sink 2 will also further exchange heat.

[0017] The heat sink 2 has a hollow frame and is polygonal in shape, which increases the overall cavity of the heat sink 2. The hollow design reduces weight and also improves heat dissipation.

[0018] Each side of the heat sink 2 is equipped with a U-shaped heat pipe, and adjacent heat pipes are connected at one section to form a continuous S-shaped circulation channel for overall heat exchange.

[0019] A heat-conducting plate 5 is provided on the outer side of the heat sink 2. The heat-conducting plate 5 is in contact with the heat pipe 4 on the inner side. The heat-conducting plate 5 is made of a metal with good thermal conductivity, which can further increase the heat conduction effect.

[0020] The surface of the heat-conducting plate 5 is provided with vertical heat dissipation fins 3, and the heat dissipation fins 3 extend outward through the welding gun tube 1. The heat dissipation fins 3 diffuse heat to the outside of the welding gun tube 1, reducing the accumulation of internal heat.

[0021] It should be noted that in this article, relational terms such as first and second are used only to distinguish one entity from another, and do not necessarily require or imply any such actual relationship or order between these entities.

[0022] The examples above are merely illustrative of this utility model and do not constitute a limitation on the scope of protection of this utility model. All designs that are the same as or similar to this utility model are within the scope of protection of this utility model.

Claims

1. A high-temperature resistant structure inside a welding gun, characterized in that, The welding gun tube (1) includes a mixing gas pipe inside the welding gun tube (1), a welding nozzle is provided at the top of the mixing gas pipe, a heat sink (2) is fixed on the inner wall of the welding gun tube (1), the mixing gas pipe is wrapped by the heat sink (2), and a heat pipe (4) for cooling water circulation is provided in the frame of the heat sink (2).

2. The high-temperature resistant structure inside a welding gun according to claim 1, characterized in that, The heat sink (2) has a hollow frame and is polygonal in shape.

3. The high-temperature resistant structure inside a welding gun according to claim 2, characterized in that, Each side of the heat sink (2) is provided with a U-shaped heat pipe, and adjacent heat pipes are connected at one section to form a continuous S-shaped circulation channel.

4. The high-temperature resistant structure inside a welding gun according to claim 3, characterized in that, The heat sink (2) has a heat-conducting plate (5) on its outer side, and the heat-conducting plate (5) is in contact with the heat pipe (4) on its inner side.

5. The high-temperature resistant structure inside a welding gun according to claim 4, characterized in that, The surface of the heat-conducting plate (5) is provided with vertical heat dissipation fins (3), and the heat dissipation fins (3) extend outward through the welding gun tube (1).

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