CN116000425A - Welding gun head structure - Google Patents
Welding gun head structure Download PDFInfo
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- CN116000425A CN116000425A CN202211628622.XA CN202211628622A CN116000425A CN 116000425 A CN116000425 A CN 116000425A CN 202211628622 A CN202211628622 A CN 202211628622A CN 116000425 A CN116000425 A CN 116000425A
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- guide part
- air guide
- air
- cap
- water
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Abstract
The invention discloses a gun head structure of a welding gun, which comprises a gun body, wherein the gun body consists of an air guide part and a mounting part, the air guide part is of a cylindrical structure, the mounting part is arranged below the air guide part, the inner surface of the upper part of the mounting part is of an inverted cone structure, and a mounting hole is arranged below the inverted cone structure; an air inlet hole is formed in the upper part of the air guide part, an air outlet hole is formed in the joint of the air guide part and the mounting part, and external threads are formed on the outer surface of the air guide part above the air outlet hole; a tungsten rod penetrating through the mounting hole is arranged in the tungsten electrode clamp, and the bottom of the tungsten electrode clamp is positioned in the conical structure; the invention overcomes the defects of the prior art, effectively avoids backward conduction of heat generated by welding, plays an effective protection role on a part connected with the rear part of a welding gun, and can effectively protect the welding part.
Description
Technical Field
The invention relates to the technical field of welding guns, in particular to a gun head structure of a welding gun.
Background
Argon arc welding is a welding technique using argon as a shielding gas. Also known as argon arc welding. Argon shielding gas is introduced around the arc welding to isolate air outside the welding area and prevent oxidation of the welding area. The argon arc welding gun is a common welding gun in welding, and the water-cooling part of the argon arc welding gun with a water-cooling structure in the current market is positioned on the gun body at the rear part of the tungsten electrode clamp, so that the gun head cannot be cooled well, and the durability of the welding gun is poor.
Disclosure of Invention
The invention aims to provide a welding gun head structure which overcomes the defects of the prior art.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a welding gun tip structure comprising:
the gun body is composed of a gas guide part and a mounting part, the gas guide part is of a cylindrical structure, the mounting part is arranged below the gas guide part, the inner surface of the upper part of the mounting part is of an inverted cone structure, and a mounting hole is arranged below the inverted cone structure; an air inlet hole is formed in the upper portion of the air guide part, an air outlet hole is formed in the joint of the air guide part and the mounting part, and external threads are formed on the outer surface of the air guide part above the air outlet hole;
the tungsten electrode clamp is arranged in the air guide part, a tungsten rod penetrating through the mounting hole is arranged in the tungsten electrode clamp, the bottom of the tungsten electrode clamp is positioned in the conical structure, and the outer diameter of the tungsten electrode clamp is smaller than the inner diameter of the mounting hole;
the water cooling cap is sleeved on the outer surface of the gun body, an inner thread is arranged on the inner surface of the lower end of the water cooling cap, an air inlet matched with the air inlet is further formed in the water cooling cap, an annular water tank is further arranged on the inner surface of the water cooling cap between the air inlet and the inner thread, and a water inlet hole and a water outlet hole are formed in the water cooling cap at the water tank; the inner surfaces of the water cooling caps at two sides of the water tank are respectively provided with a sealing groove, a sealing ring is arranged in the sealing grooves, the water cooling caps are arranged on the external threads of the air guide part through internal threads, and the sealing rings are in contact with the outer surface of the gun body;
the screw cap is arranged at the top of the air guide part, the tungsten electrode clamp is tightly pressed in the gun body, and the screw cap seals the water cooling cap and the top of the air guide part.
Further, the air guide part and the installation part are of an integrated structure, and the gun body, the screw cap and the water cooling cap are made of metal materials.
Further, at least one air inlet hole is formed in the outer surface of the air guide part uniformly; the number of the air outlets is at least one, and the air outlets are uniformly arranged on the outer surface of the air guide part.
Further, the air outlet holes are positioned in the cooling cap.
Further, a convex ring is further arranged on the inner surface of the cooling cap above the air inlet, and the screw cap is tightly pressed on the convex ring to seal the top of the cooling cap.
Further, a sealing gasket is arranged between the screw cap and the cooling cap.
Compared with the prior art, the invention has the following implementation effects: the structure of the welding gun head is different from that of the existing welding gun, cooling water can directly cool the gun body in the area where the tungsten electrode clamp is located through the water tank, so that backward conduction of heat generated by welding is effectively avoided, the parts connected with the rear part of the welding gun are effectively protected, and the durability of the welding gun is effectively improved; and the protective gas flowing out of the air outlet holes directly flows out from the periphery of the lower end of the water cooling cap, so that the welding part can be effectively protected.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure of the inside of the water-cooling cap of the present invention;
FIG. 3 is a right side view of the water-cooled cap;
FIG. 4 is a front view of a water cooled cap;
FIG. 5 isbase:Sub>A sectional view A-A of FIG. 4;
FIG. 6 is a schematic structural view of the gun body;
FIG. 7 is a schematic view of the structure of the gun body according to the present invention;
fig. 8 is a front view of a tungsten clip.
Reference numerals illustrate: 1. a water-cooling cap; 11. a water inlet hole; 12. a water outlet hole; 13. an air inlet; 14. an internal thread; 15. sealing grooves; 16. a water tank; 17. a convex ring; 2. a gun body; 201. an air guide part; 202. a mounting part; 21. an air inlet hole; 22. an external thread; 23. an air outlet hole; 24. an air flow channel; 3. a screw cap; 4. a seal ring; 5. a tungsten electrode clip; 51. slotting; 6. tungsten rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction to construct and operate in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-7, the welding gun head structure comprises a water-cooling cap 1, a gun body 2, a nut 3, a tungsten electrode clamp 5 and a tungsten rod 6, wherein the water-cooling cap 1, the gun body 2, the nut 3 and the tungsten electrode clamp 5 are made of metal materials, preferably brass, the gun body 2 is composed of an air guide part 201 and an installation part 202, the air guide part 201 and the installation part 202 are of an integrated structure, the air guide part 201 is of a cylindrical structure, and the air guide part 201 is used for installing the tungsten electrode clamp 5; the installation part 202 is arranged below the air guide part 201, the inner surface of the upper part of the installation part 202 is of an inverted cone structure, an installation hole is arranged below the inverted cone structure, and the inverted cone structure is used for pressing the bottom of the tungsten electrode clamp 5 so that the tungsten electrode clamp 5 can clamp the tungsten rod 6 installed in the installation hole; the outer diameter of the tungsten electrode clamp 5 is smaller than the inner diameter of the air guide part 201, and an air flow channel 24 is formed between the tungsten electrode clamp 5 and the air guide part 201; so that the air flow at the air inlet hole 21 can flow from the inside of the air guide 201 into the air outlet hole 23.
As shown in fig. 2 and 6-7, the upper part of the air guide part 201 is provided with 4 air inlet holes 21, and the air inlet holes 21 are uniformly arranged on the outer surface of the air guide part 201; the joint of the air guide part 201 and the mounting part 202 is provided with 6 air outlet holes 23, the outer surface of the air guide part 201 is uniformly provided with external threads 22 on the outer surface of the air guide part 201 above the air outlet holes 23; an internal thread 14 is arranged on the inner surface of the lower end of the water-cooling cap 1, an annular water tank 16 is arranged in the water-cooling cap 1 above the internal thread 14, and a water inlet 11 and a water outlet 12 are arranged on the water tank 16; the inner surfaces of the water cooling caps 1 at the two sides of the water tank 16 are respectively provided with an annular sealing groove 15, a sealing ring 4 is arranged in the sealing groove 15, the water cooling caps 1 are arranged on the external threads 22 of the air guide part 201 through the internal threads 14, and the sealing ring 4 is in contact with the outer surface of the gun body 2.
In addition, the water cooling cap 1 is also provided with an air inlet 13 matched with the air inlet 21, the air inlet 13 is positioned above the sealing groove 15 above the water tank 16, and air flow flowing in at the air inlet 13 can enter the air inlet 21. After the water cooling cap 1 is mounted on the mounting portion 202, the air outlet holes 23 are positioned in the water cooling cap 1 below the internal threads 14, so that the protection air flowing out of the air outlet holes 23 directly flows out from the periphery of the lower end of the water cooling cap 1, and the welding portion can be effectively protected.
In order to improve the sealing effect of the nut 3 on the top of the water-cooled cap 1, a sealing gasket (not shown in the figure) may be further disposed between the convex ring 17 and the nut 3, so as to avoid air leakage at the nut 3.
As shown in fig. 8, the tungsten electrode clamp 5 is a cylinder with a sealed top, and two slits 51 are formed below the top.
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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A welding gun tip structure, comprising:
the gun body is composed of a gas guide part and a mounting part, the gas guide part is of a cylindrical structure, the mounting part is arranged below the gas guide part, the inner surface of the upper part of the mounting part is of an inverted cone structure, and a mounting hole is arranged below the inverted cone structure; an air inlet hole is formed in the upper portion of the air guide part, an air outlet hole is formed in the joint of the air guide part and the mounting part, and external threads are formed on the outer surface of the air guide part above the air outlet hole;
the tungsten electrode clamp is arranged in the air guide part, a tungsten rod penetrating through the mounting hole is arranged in the tungsten electrode clamp, the bottom of the tungsten electrode clamp is positioned in the conical structure, and the outer diameter of the tungsten electrode clamp is smaller than the inner diameter of the mounting hole;
the water cooling cap is sleeved on the outer surface of the gun body, an inner thread is arranged on the inner surface of the lower end of the water cooling cap, an air inlet matched with the air inlet is further formed in the water cooling cap, an annular water tank is further arranged on the inner surface of the water cooling cap between the air inlet and the inner thread, and a water inlet hole and a water outlet hole are formed in the water cooling cap at the water tank; the inner surfaces of the water cooling caps at two sides of the water tank are respectively provided with an annular sealing groove, a sealing ring is arranged in the sealing grooves, the water cooling caps are arranged on the external threads of the air guide part through internal threads, and the sealing rings are in contact with the outer surface of the gun body;
the screw cap is arranged at the top of the air guide part, the tungsten electrode clamp is tightly pressed in the gun body, and the screw cap seals the water cooling cap and the top of the air guide part.
2. A welding gun head structure as defined in claim 1, wherein: the air guide part and the installation part are of an integrated structure, and the gun body, the screw cap and the water cooling cap are made of metal materials.
3. A welding gun head structure as defined in claim 1, wherein: at least one air inlet is formed in the outer surface of the air guide part uniformly; the number of the air outlets is at least one, and the air outlets are uniformly arranged on the outer surface of the air guide part.
4. A welding gun head structure as defined in claim 1, wherein: the air outlet hole is positioned in the cooling cap.
5. A welding gun head structure as defined in claim 1, wherein: and a convex ring is further arranged on the inner surface of the cooling cap above the air inlet, and the screw cap is tightly pressed on the convex ring to seal the top of the cooling cap.
6. A welding gun head structure as defined in claim 1, wherein: and a sealing gasket is arranged between the screw cap and the cooling cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211628622.XA CN116000425A (en) | 2022-12-18 | 2022-12-18 | Welding gun head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211628622.XA CN116000425A (en) | 2022-12-18 | 2022-12-18 | Welding gun head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116000425A true CN116000425A (en) | 2023-04-25 |
Family
ID=86027507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211628622.XA Pending CN116000425A (en) | 2022-12-18 | 2022-12-18 | Welding gun head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116000425A (en) |
-
2022
- 2022-12-18 CN CN202211628622.XA patent/CN116000425A/en active Pending
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