Welding head ventilation piece

Abstract

The utility model is applicable to the technical field of precision manufacturing, and provides a welding head ventilation piece, which comprises a first air cavity and a first mounting cavity which are arranged on a first connecting part, and the first air cavity is used for guiding air of a first air source to blow to a welding area so as to prevent the welding area from being oxidized; the first mounting cavity is used for fixing the ignition rod and guiding electric arc to a welding area; the second connecting part is provided with a second air cavity which is used for guiding air of a second air source to be blown to the welding area. The welding head ventilation piece is of an integrated structure, and the first air cavity and the second air cavity are formed in the first connecting part and the second connecting part respectively. The first air pipe of the first air source and the second air pipe of the second air source are directly connected to the first rod portion of the first air cavity and the second rod portion of the second air cavity on the welding head ventilation piece in a sleeving mode respectively, the connecting step of the air pipes and the welding head ventilation piece is simplified, and the problem that the welding qualification rate and the welding efficiency are affected due to air leakage in a connecting gap is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of precision manufacturing, and in particular relates to a welding head vent. Background Art

[0002] Welding equipment plays a variety of roles in manufacturing and other fields, including connection, manufacturing, repair, processing, transformation, decoration, and art. It is one of the key tools for connecting materials, forming complex structures, and realizing personalized designs. It is of irreplaceable importance to modern industrial production and development.

[0003] A wire bonder is a type of welding equipment. It utilizes ultrasonic mechanical vibrations to join similar or dissimilar metals. Wire bonders generally refer to ultrasonic wire bonders and are categorized by the wire material used: gold, aluminum, and copper wire bonders. The main components of a wire bonder are a power supply, control panel, welding gun, conveyor system, cooling system, and protective devices. For wire bonders, the gun is primarily used to trigger the arc, feed the wire, and perform welding. An inert gas source is required, and the weld area must be protected during the welding process to prevent rapid oxidation, which could affect the weld quality.

[0004] In the prior art, when using the welding guns of most wire welding machines, interface accessories need to be set or adapters or conversion heads need to be used to connect the welding head and the gas source pipe to the welding head. Most of the time, workers need to use tools to install the plug or positioning pin and the conversion head or adapter on the welding head and then connect it to the gas source pipe. However, due to the different materials of the plug or positioning pin and the welding head and the gap at the connection, the welding head and the conversion head, adapter connection are damaged, and even leakage or the gas source pipe falls off may occur, affecting the qualification rate and efficiency of product welding. Utility Model Content

[0005] The purpose of the embodiment of the utility model is to provide a welding head vent, which aims to solve the problem that workers often need to use tools to install a pin or a positioning pin and a conversion head or an adapter on the welding head and then connect it to the gas source pipe. However, due to the different materials of the pin or the positioning pin and the welding head and the gap at the connection, the welding head and the conversion head, the adapter connection may be damaged, and even air leakage or the gas source pipe may fall off, affecting the qualification rate and efficiency of product welding.

[0006] The embodiment of the present utility model is implemented as follows: a welding head vent, the welding head vent comprising:

[0007] A first connecting portion, wherein the first connecting portion is provided with a first air cavity and a first mounting cavity, a first rod portion is provided at a first port of the first air cavity, the first rod portion is used to connect to a first air pipe of a first air source, the first air cavity is used to guide the gas of the first air source to blow toward the welding area, the first mounting cavity is used to fix the ignition rod and guide the arc to the welding area, the ignition rod is used to generate an arc to weld the product, and the gas of the first air source is used to prevent the arc generated by the ignition rod from coming into contact with air and being oxidized;

[0008] The second connecting part is provided with a second air cavity, the first port of the second air cavity is provided with a second rod portion, the second rod portion is used to be connected to the second air pipe of the second gas source, the second air cavity is used to guide the gas of the second gas source to blow toward the welding area, and the gas of the second gas source is used to prevent oxidation of the welding area.

[0009] Preferably, the first connecting portion is further provided with an installation area and an installation hole, wherein the installation area is a groove and is located on the side of the welding head ventilator, and the installation area is used to install a connecting rod, the end of the connecting rod is connected to the ignition rod on the first installation cavity, and is connected to the mounting bracket on the wire bonding machine through the connecting rod to facilitate the installation of the welding head ventilator on the mounting position of the wire bonding machine;

[0010] The mounting holes include a first mounting hole and a second mounting hole. The first mounting hole is located on the side of the welding head ventilation piece to facilitate positioning of the connecting rod by a positioning pin. The second mounting hole is located on the upper end surface of the welding head ventilation piece and is provided in plurality. The second mounting hole fixes the connecting rod to the welding head ventilation piece through a plurality of fixing pieces.

[0011] Preferably, the interior of the first air cavity is arc-shaped, the first port of the first air cavity is located on the side of the welding head ventilation piece, the first rod portion and the welding head ventilation piece are an integrated structure, and the first rod portion is a cylindrical structure so that the gas in the first air pipe connected to the first rod portion flows from the first port of the first air cavity and flows from the second port of the first air cavity to the welding area of the product to prevent oxidation of the welding area.

[0012] Preferably, the first mounting cavity is provided with an insertion area and a positioning area, the insertion area is communicated with the positioning area, the insertion area is connected to the first port of the first mounting cavity, the positioning area is used to position the fire rod, the fire rod is placed from the insertion area and positioned in the positioning area, a connecting rod is provided at the first port of the first mounting cavity, the connecting rod is connected to the fire rod to prevent the fire rod from falling off from the insertion area.

[0013] Preferably, the interior of the second air cavity is strip-shaped, the first port of the second air cavity is located on the top surface of the welding head ventilation piece, the second port of the second air cavity is located on the bottom surface of the welding head ventilation piece, the second rod portion and the welding head ventilation piece are integrated, and the second rod portion is an inclined cylindrical structure so that the gas in the second air pipe connected to the second rod portion flows from the first port of the second air cavity and flows from the second port of the second air cavity to the welding area of the product to prevent oxidation of the welding area.

[0014] Preferably, the second connecting portion is further provided with a first through hole, and the welding head vent is installed on the mounting position of the wire bonding machine so that the first through hole is located directly above the welding area, the second port of the first air cavity is connected to the second port of the first mounting cavity and is located on the hole wall of the first through hole, and the bottom of the first through hole and the bottom of the second port of the second air cavity are close to and flush with the bottom surface of the welding head vent.

[0015] Preferably, the first air pipe of the first air source and the second air pipe of the second air source are respectively sleeved on the first rod and the second rod of the welding head vent, and the first air pipe and the second air pipe are made of any one of polyvinyl chloride, polyurethane, silicone and nylon.

[0016] Preferably, the welding head ventilation piece connects the first gas source, the second gas source and guides the arc generated on the ignition rod to the welding area, and the welding head ventilation piece is made of any one of ceramic material, silicon carbide, titanium alloy and polytetrafluoroethylene.

[0017] Preferably, the gas in the first gas source and the gas in the second gas source are used to prevent oxidation of the arc in contact with air and oxidation of the welding area of the product, and the gas in the first gas source and the gas in the second gas source are selected from any one of nitrogen, helium, argon and a nitrogen-hydrogen mixture.

[0018] The embodiment of the present invention provides a welding head ventilation piece, which is provided with an integrated structure of the welding head ventilation piece, and respectively provides a first air cavity and a second air cavity on the first connecting part and the second connecting part, the first rod portion on the first air cavity is directly inserted into the first air pipe of the first gas source so that the gas of the first gas source is blown to the welding area through the first air cavity, and the second rod portion on the second air cavity is directly inserted into the second air pipe of the second gas source so that the gas of the second gas source is blown to the welding area through the second air cavity, and the first mounting cavity is provided for fixing the ignition rod so that the ignition rod generates an arc to produce When welding products, the first air pipe of the first air source and the second air pipe of the second air source are directly connected to the first rod portion with a certain length of the first air cavity and the second rod portion with a certain length of the second air cavity on the welding head vent respectively, which simplifies the connection steps of the air pipe and the welding head vent and prevents air leakage in the connection gap that affects the welding qualification rate. It solves the problem that the welding head, the conversion head, and the adapter connection are damaged due to the different materials of the pin or the positioning pin and the welding head and the gap at the connection, and even air leakage or the falling off of the air source pipe, which affects the qualification rate and efficiency of the product welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional structural diagram of a welding head vent provided in an embodiment of the present utility model;

[0020] Figure 2 A bottom structural diagram of a welding head vent provided in an embodiment of the present utility model;

[0021] Figure 3 A cross-sectional view of a front view of a welding head vent provided in an embodiment of the present utility model;

[0022] Figure 4 This is a cross-sectional view of a rear view of a welding head vent provided in an embodiment of the present utility model.

[0023] In the accompanying drawings: 1. First connecting portion; 11. First air cavity; 111. First rod portion; 112. Second port of the first air cavity; 12. First mounting cavity; 121. First port of the first mounting cavity; 122. Second port of the first mounting cavity; 13. Mounting area; 14. Second mounting hole; 15. First mounting hole; 2. Second connecting portion; 21. Second air cavity; 211. Second rod portion; 22. First through hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0026] like Figure 1-4 As shown, it is a structural diagram of a welding head vent provided by an embodiment of the present invention, including: the welding head vent includes:

[0027] A first connecting portion 1 is provided with a first air cavity 11 and a first mounting cavity 12. A first rod portion 111 is provided at a first port of the first air cavity 11. The first rod portion 111 is used to connect to a first air pipe of a first air source. The first air cavity 11 is used to guide the gas of the first air source to blow toward the welding area. The first mounting cavity 12 is used to fix a spark rod and guide the arc to the welding area. The spark rod is used to generate an arc to weld the product. The gas of the first air source is used to prevent the arc produced by the spark rod from oxidizing when in contact with air.

[0028] The second connecting part 2 is provided with a second air cavity 21, and the first port of the second air cavity 21 is provided with a second rod portion 211, and the second rod portion 211 is used to be connected to the second air pipe of the second gas source, and the second air cavity 21 is used to guide the gas of the second gas source to blow toward the welding area, and the gas of the second gas source is used to prevent oxidation of the welding area.

[0029] In the embodiment of the present invention, preferably, the welding head vent is a component of the welding head of the wire welding machine. The welding head vent is mainly used to connect the gas source and guide the arc generated on the ignition rod to the welding area, and guide the gas on the first gas source and the second gas source to the welding area to prevent oxidation at the position where the arc and the product are welded in the welding area. The welding head vent can be an irregular component with an integrated structure. The welding head vent is provided with a first connecting part 1 and a second connecting part 2, which are respectively connected to the first gas source and the ignition rod through the first air cavity 11 and the first mounting cavity 12 on the first connecting part 1. A first rod part 111 is provided at the first port in the first air cavity 11. The first rod part 111 has a certain length so that it is not easy to fall off after being inserted into the first air pipe of the first gas source. The part 111 and the first air pipe can be an interference fit and the first air pipe can be a hose with a certain elasticity so that the first rod part 111 can be more secure after being inserted, and the first rod part 111 is directly inserted for easy operation and is not prone to leakage and falling off; the first mounting cavity 12 fixes the ignition rod and guides the arc generated on the ignition rod to the welding area of the product to facilitate welding of the product; it is connected to the second gas source through the second air cavity 21 on the second connecting part 2, and a second rod part 211 with a certain length is provided at the first port of the second air cavity 21. The second rod part 211 can also be directly inserted into the second air pipe of the second gas source and is not easy to fall off. The gas on the second gas source is blown to the welding area through the second air cavity 21 to prevent oxidation in the welding area.

[0030] In one embodiment of the present invention, the present invention is provided with an integrated welding head vent, and a first air cavity 11 and a second air cavity 21 are respectively provided on the first connecting portion 1 and the second connecting portion 2. The first rod portion 111 on the first air cavity 11 is directly inserted into the first air pipe of the first gas source so that the gas of the first gas source is blown toward the welding area through the first air cavity 11. The second rod portion 211 on the second air cavity 21 is directly inserted into the second air pipe of the second gas source so that the gas of the second gas source is blown toward the welding area through the second air cavity 21. The first mounting cavity 12 is provided for fixing the ignition rod so that the ignition rod generates an arc. To weld the product, the first air pipe of the first air source and the second air pipe of the second air source are directly connected to the first rod portion 111 of a certain length in the first air cavity 11 and the second rod portion 211 of a certain length in the second air cavity 21 on the welding head vent respectively, which simplifies the connection steps of the air pipe and the welding head vent and prevents air leakage in the connection gap from affecting the welding qualification rate. It solves the problem that the welding head, the conversion head, and the adapter connection are damaged due to the different materials of the pin or the positioning pin and the welding head and the gap at the connection, and even air leakage or the falling off of the air source pipe, which affects the qualification rate and efficiency of the product welding.

[0031] like Figure 1-4 As shown, as a preferred embodiment of the present invention, the first connecting portion 1 is further provided with a mounting area 13 and a mounting hole. The mounting area 13 is a groove and is located on the side of the welding head ventilator. The mounting area 13 is used to install a connecting rod. The end of the connecting rod is connected to the ignition rod on the first mounting cavity 12. The connecting rod is connected to the mounting bracket on the wire bonding machine through the connecting rod to facilitate the installation of the welding head ventilator on the mounting position of the wire bonding machine.

[0032] The mounting holes include a first mounting hole 15 and a second mounting hole 14. The first mounting hole 15 is located on the side of the welding head ventilation piece to facilitate positioning of the connecting rod by a positioning pin. The second mounting hole 14 is located on the upper end surface of the welding head ventilation piece and is provided in plurality. The second mounting hole 14 is fixedly connected to the connecting rod and the welding head ventilation piece by a plurality of fixing parts.

[0033] In the embodiment of the present invention, preferably, the first connecting portion 1 on the welding head ventilator can also be provided with a mounting area 13 and two mounting holes. The mounting area 13 can be an irregular groove with a certain depth on the welding head ventilator. The shape of the groove can be determined according to the shape of the connecting rod. The end of the installed connecting rod can contact the first port in the first mounting cavity 12 to facilitate fixing the ignition rod in the first mounting cavity 12. A plurality of through holes can be provided on the connecting rod and a positioning pin can be passed through and the connecting rod is positioned on the first mounting hole 15 of the welding head ventilator. When the welding head vent is fixed to the welding head vent by using multiple fixing parts, the other end of the connecting rod is connected to the mounting bracket on the wire bonding machine so that the welding head vent is installed in the mounting position on the welding head of the wire bonding machine. The connecting rod is a connecting part between the welding head vent and the wire bonding machine. The first mounting hole 15 can be located on the side of the welding head vent so that the positioning pin can pass through the welding head vent to completely position the connecting rod. The multiple second mounting holes 14 are located on the upper end surface of the welding head vent so that the fixing part can pass through the welding head vent from the vertical direction to completely fix the connecting rod.

[0034] like Figure 1-4 As shown, as a preferred embodiment of the present invention, the interior of the first air cavity 11 is arc-shaped, the first port of the first air cavity 11 is located on the side of the welding head ventilation piece, the first rod portion 111 and the welding head ventilation piece are an integrated structure, and the first rod portion 111 is a cylindrical structure so that the gas in the first air pipe sleeved on the first rod portion 111 flows from the first port of the first air cavity 11 and flows from the second port 112 of the first air cavity 11 to the welding area of the product to prevent oxidation of the welding area.

[0035] In an embodiment of the present utility model, preferably, the first air cavity 11 can be a multi-section arc-shaped strip cavity with a certain length, the first rod portion 111 located at the raised portion of the upper end surface of the welding head vent can be an inclined cylindrical structure to facilitate the insertion of the first air pipe on the first gas source, and the partial cavity located inside the welding head vent can be L-shaped and the second port 112 of the first air cavity 11 is arranged directly above the welding area, so that the gas of the first gas source is blown out from the first air pipe, and the gas is guided to the second port 112 of the first air cavity 11 through the first port of the first air cavity 11, that is, the first rod portion 111, so that the gas is blown toward the welding area to prevent oxidation of the welding area.

[0036] like Figure 1-4As shown, as a preferred embodiment of the present invention, the first mounting cavity 12 is provided with an insertion area and a positioning area, the insertion area is communicated with the positioning area, the insertion area is connected to the first port 121 of the first mounting cavity 12, the positioning area is used to position the fire rod, the fire rod is placed from the insertion area and positioned in the positioning area, a connecting rod is provided at the first port 121 of the first mounting cavity 12, and the connecting rod is connected to the fire rod to prevent the fire rod from falling off from the insertion area.

[0037] In an embodiment of the present utility model, preferably, the first installation cavity 12 is provided with an insertion area and a positioning area, the insertion area is for facilitating the insertion of the ignition rod into the first installation cavity 12 and for facilitating the positioning of the end of the connecting rod at one end of the ignition rod in the insertion area, the end of the ignition rod cooperates with the second port 122 of the first installation cavity 12, the second port 122 of the first installation cavity 12 is located directly above the welding area to facilitate the arc welding product generated on the ignition rod, and the generated arc will be protected by the gas of the first gas source in the first air cavity 11 so that the arc cannot react with the air for oxidation, and the interior of the first installation cavity 12 can be connected to the interior of the first air cavity 11 to prevent the arc generated by the ignition rod from oxidizing.

[0038] like Figure 1-4 As shown, as a preferred embodiment of the present invention, the interior of the second air cavity 21 is strip-shaped, the first port of the second air cavity 21 is located on the top surface of the welding head ventilation piece, and the second port of the second air cavity 21 is located on the bottom surface of the welding head ventilation piece. The second rod portion 211 is integrated with the welding head ventilation piece, and the second rod portion 211 is an inclined cylindrical structure so that the gas in the second air pipe mounted on the second rod portion 211 flows from the first port of the second air cavity 21 and flows from the second port of the second air cavity 21 to the welding area of the product to prevent oxidation of the welding area.

[0039] In an embodiment of the present invention, preferably, the second rod portion 211 on the second air cavity 21 is similar in structure to the first rod portion 111 on the first air cavity 11 and has the same function. The second rod portion 211 also has a certain length to facilitate insertion into the second air pipe of the second gas source so that the gas of the second gas source can be blown out from the second air pipe and blown toward the welding area from the first port of the second air cavity 21, i.e., the second rod portion 211. The second port of the second air cavity 21 is arranged on the bottom surface of the welding head vent and is located directly above the welding area. The second air cavity 21 and the first air cavity 11 are arranged in two different directions and can blow gas toward the same welding area at the same time. The first air cavity 11 and the second air cavity 21 are not connected.

[0040] like Figure 1-4As shown, as a preferred embodiment of the present invention, the second connecting portion 2 is further provided with a first through hole 22, and the welding head vent is installed on the mounting position of the wire bonding machine so that the first through hole 22 is located directly above the welding area, and the second port 112 of the first air cavity 11 is connected to the second port 122 of the first mounting cavity 12 and is located on the hole wall of the first through hole 22, and the bottom of the first through hole 22 and the bottom of the second port of the second air cavity 21 are close to and flush with the bottom surface of the welding head vent.

[0041] In an embodiment of the present utility model, preferably, a first through hole 22 can also be provided on the second connecting portion 2, and one side of the hole wall of the first through hole 22 can be connected to the second port 112 of the first air cavity 11 and the second port 122 of the first mounting cavity 12, and the first through hole 22 is perpendicular to the bottom surface of the welding head vent, and the first through hole 22 is located directly above the welding area so that the gas of the first air cavity 11 is blown toward the welding area, and acts simultaneously with the gas of the second gas source to prevent oxidation during the product welding process, affecting the welding qualification rate and efficiency.

[0042] like Figure 1-4 As shown, as a preferred embodiment of the present invention, the first air pipe of the first air source and the second air pipe of the second air source are respectively mounted on the first rod portion 111 and the second rod portion 211 of the welding head vent, and the first air pipe and the second air pipe are made of any one of polyvinyl chloride, polyurethane, silicone and nylon.

[0043] In an embodiment of the present invention, preferably, the first air pipe of the first air source and the second air pipe of the second air source can be hoses of a certain length and with certain pressure and temperature resistance, so that they can be respectively sleeved on the first rod 111 and the second rod 211. Therefore, the first air pipe and the second air pipe can be made of silicone or nylon, etc., which are pressure-resistant, temperature-resistant, wear-resistant and have a certain softness. They are convenient for sleeved on the welding head vent and are not prone to falling off and damage.

[0044] like Figure 1-4 As shown, as a preferred embodiment of the present invention, the welding head ventilation piece connects the first gas source, the second gas source and guides the arc generated on the ignition rod to the welding area, and the welding head ventilation piece is made of any one of ceramic materials, silicon carbide, titanium alloy and polytetrafluoroethylene.

[0045] In an embodiment of the present invention, preferably, the welding head vent is mainly connected to the air pipe of the gas source and is used to place the ignition rod, and the welding head vent is a component used on the welding head. When the welding gun is in use, high temperature will be generated at the welding head. Therefore, the welding head vent can be made of a material with high hardness, wear resistance, heat resistance and insulation properties such as ceramic material.

[0046] like Figure 1-4 As shown, as a preferred embodiment of the present invention, the gas in the first gas source and the gas in the second gas source are used to prevent the arc from being oxidized by contact with air and the welding area of the product from being oxidized, and the gas in the first gas source and the gas in the second gas source are selected from any one of nitrogen, helium, argon and a nitrogen-hydrogen mixture.

[0047] In an embodiment of the present invention, preferably, the main function of the first gas source and the second gas source is to prevent oxidation of the welding area. The first gas source and the second gas source can be selected from inert gases such as nitrogen to prevent the welding area from coming into contact with oxygen and reacting to affect the product's qualification rate.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A welding head vent, characterized in that: The welding head vent comprises: A first connecting portion, wherein the first connecting portion is provided with a first air cavity and a first mounting cavity, a first rod portion is provided at a first port of the first air cavity, the first rod portion is used to connect to a first air pipe of a first air source, the first air cavity is used to guide the gas of the first air source to blow toward the welding area, the first mounting cavity is used to fix the ignition rod and guide the arc to the welding area, the ignition rod is used to generate an arc to weld the product, and the gas of the first air source is used to prevent the arc generated by the ignition rod from coming into contact with air and being oxidized; The second connecting part is provided with a second air cavity, the first port of the second air cavity is provided with a second rod portion, the second rod portion is used to be connected to the second air pipe of the second gas source, the second air cavity is used to guide the gas of the second gas source to blow toward the welding area, and the gas of the second gas source is used to prevent oxidation of the welding area.

2. The welding head vent according to claim 1, characterized in that: The first connecting portion is further provided with an installation area and an installation hole. The installation area is a groove and is located on the side of the welding head ventilator. The installation area is used to install a connecting rod. The end of the connecting rod is connected to the ignition rod on the first installation cavity. The connecting rod is connected to the mounting bracket on the wire bonding machine through the connecting rod to facilitate the installation of the welding head ventilator on the mounting position of the wire bonding machine. The mounting holes include a first mounting hole and a second mounting hole. The first mounting hole is located on the side of the welding head ventilation piece to facilitate positioning of the connecting rod by a positioning pin. The second mounting hole is located on the upper end surface of the welding head ventilation piece and is provided in plurality. The second mounting hole fixes the connecting rod to the welding head ventilation piece through a plurality of fixing pieces.

3. The welding head vent according to claim 2, characterized in that: The interior of the first air cavity is arc-shaped, the first port of the first air cavity is located on the side of the welding head ventilation piece, the first rod portion and the welding head ventilation piece are an integrated structure, and the first rod portion is a cylindrical structure so that the gas in the first air pipe connected to the first rod portion flows from the first port of the first air cavity and flows from the second port of the first air cavity to the welding area of the product to prevent oxidation of the welding area.

4. The welding head vent according to claim 3, characterized in that: The first installation cavity is provided with an insertion area and a positioning area, the insertion area is communicated with the positioning area, the insertion area is connected to the first port of the first installation cavity, the positioning area is used to position the fire rod, the fire rod is placed from the insertion area and positioned in the positioning area, a connecting rod is provided at the first port of the first installation cavity, the connecting rod is connected to the fire rod to prevent the fire rod from falling off from the insertion area.

5. The welding head vent according to claim 1, characterized in that: The interior of the second air cavity is strip-shaped, the first port of the second air cavity is located on the top surface of the welding head ventilation piece, the second port of the second air cavity is located on the bottom surface of the welding head ventilation piece, the second rod portion and the welding head ventilation piece are integrated, and the second rod portion is an inclined cylindrical structure so that the gas in the second air pipe connected to the second rod portion flows from the first port of the second air cavity and flows from the second port of the second air cavity to the welding area of the product to prevent oxidation of the welding area.

6. The welding head vent according to claim 4 or 5, characterized in that: The second connecting portion is also provided with a first through hole, and the welding head vent is installed on the mounting position of the wire bonding machine so that the first through hole is located directly above the welding area, the second port of the first air cavity is connected to the second port of the first mounting cavity and is located on the hole wall of the first through hole, and the bottom of the first through hole and the bottom of the second port of the second air cavity are close to and flush with the bottom surface of the welding head vent.

7. The welding head vent according to claim 1, characterized in that: The first air pipe of the first air source and the second air pipe of the second air source are respectively sleeved on the first rod and the second rod of the welding head vent. The first air pipe and the second air pipe are made of any one of polyvinyl chloride, polyurethane, silicone and nylon.

8. The welding head vent according to claim 1, characterized in that: The welding head ventilation piece is connected to the first gas source, the second gas source and guides the arc generated on the ignition rod to the welding area. The welding head ventilation piece is made of any one of ceramic materials, silicon carbide, titanium alloy and polytetrafluoroethylene.

9. The welding head vent according to claim 1, characterized in that: The gas in the first gas source and the gas in the second gas source are used to prevent the arc from being oxidized by contact with air and the welding area of the product from being oxidized. The gas in the first gas source and the gas in the second gas source are selected from any one of nitrogen, helium, argon and a nitrogen-hydrogen mixture.

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