A welding torch for welding copper and steel parts
A technology for steel parts and copper parts is applied in the field of welding guns, which can solve the problems of short service life and high use cost of welding guns, and achieve the effects of long service life, low use cost and simple structure.
Active Publication Date: 2018-09-28
山东崇盛冶金氧枪有限公司
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Problems solved by technology
The welding torch is the key component for welding. The existing welding torch burns between the tungsten electrode and the workpiece through an electric arc, and melts the welding wire and the workpiece to achieve welding. The tungsten electrode of the above welding torch is used as an electrode, and the tungsten electrode needs to be replaced frequently. Resulting in short service life and high operating costs of the welding torch
Method used
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Embodiment Construction
[0011] like figure 1 As shown, the welding gun used for welding copper parts and steel parts includes a gun frame 1, which is used for connecting the welding gun to a welding machine. The gun frame 1 is a conductive gun frame, for example, it can be made of metal materials. The gun frame 1 is connected with a connection sleeve 2, the connection sleeve 2 is connected with an insulating sleeve 3, and the insulation sleeve 3 is connected with an outer gun barrel 4; the inner wall of the insulation sleeve 3 is provided with a ring protrusion 10, and the ring protrusion 10 insulates the The inner cavity of the cover 3 is divided into a connection sleeve insertion cavity and an outer gun barrel insertion cavity, and the ring protrusion 10 is provided with a communication hole connecting the connection sleeve insertion cavity and the outer gun barrel insertion cavity; the connection sleeve 2 is inserted in the connection sleeve insertion cavity, The inner gun barrel 7 is inserted int...
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The invention disclose a welding gun for welding a copper part and a steel part. The welding gun comprises a gun frame which is a conductive gun frame, a connecting sleeve is connected to the gun frame, an insulation sleeve is connected to the connecting sleeve, an outer gun tube is connected to the insulation sleeve, and a spray nozzle is connected to the end of the outer gun tube; inner cavities of the spray nozzle, the outer gun tube, the insulation sleeve and the connecting sleeve form an air inlet cavity, only the end, close to the gun frame, of the air inlet cavity is closed, an air inlet is formed in the air inlet cavity, an inner gun tube is arranged in the air inlet cavity, one end of the inner gun tube penetrates out of the closed end of the air inlet cavity, a conductive nozzle is connected to the other end of the inner gun tube and located in the spray nozzle, the inner gun tube and an inner cavity of the conductive nozzle form a welding wire channel, gaps are formed between the inner gun tube and the inner wall of the air inlet cavity and between the conductive nozzle and the inner wall of the air inlet cavity, and the inner gun tube is electrically connected with the gun frame to enable a welding current of a welder to be transferred to the conductive nozzle through the gun frame and the inner gun tube. The welding gun for welding the copper part and the steel part has the advantages of being simple in structure, long in service life and low in use cost.
Description
technical field [0001] The invention relates to a welding gun used for welding copper parts and steel parts. Background technique [0002] Argon arc welding is based on the principle of ordinary arc welding, using argon to protect the metal welding material, through high current to make the welding material melt into a liquid state on the base material to be welded to form a molten pool, so that the welded metal and welding material A welding technique to achieve metallurgical bonding. The welding torch is the key component for welding. The existing welding torch burns between the tungsten electrode and the workpiece through an electric arc, and melts the welding wire and the workpiece to achieve welding. The tungsten electrode of the above welding torch is used as an electrode, and the tungsten electrode needs to be replaced frequently. Cause the service life of welding torch to be short and use cost height. Contents of the invention [0003] The technical problem to be...
Claims
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IPC IPC(8): B23K9/28B23K9/26B23K9/32B23K9/167
CPCB23K9/167B23K9/26B23K9/28B23K9/32
Inventor 刘延春
Owner 山东崇盛冶金氧枪有限公司