CN215393135U - Improved non-melting nozzle electroslag welding gun - Google Patents
Improved non-melting nozzle electroslag welding gun Download PDFInfo
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- CN215393135U CN215393135U CN202121219817.XU CN202121219817U CN215393135U CN 215393135 U CN215393135 U CN 215393135U CN 202121219817 U CN202121219817 U CN 202121219817U CN 215393135 U CN215393135 U CN 215393135U
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- welding gun
- gun body
- cooling
- pipe
- cold water
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Abstract
The utility model discloses an improved non-molten nozzle electroslag welding gun, which comprises a welding gun body, a conductive nozzle, a stepped ceramic sleeve, a cooling sleeve, a cold water pipe, a water inlet pipe, a water discharge pipe, a hoop and a bolt component, the end part of the welding gun body is connected with the conductive nozzle through the internal thread, the utility model relates to the technical field of welding equipment, has reasonable structure, low cost and convenient use, the outer wall of the welding gun body in the utility model is provided with a cooling sleeve, a cold water pipe for cooling the welding gun body is arranged in the cooling sleeve, the cold water pipe cools the welding gun body by introducing cooling water, the cooling structure is simple, the cooling water directly flows on the cold water pipe on the outer wall of the welding gun body, the cooling effect is good, the heat generated by the welding gun during use is greatly reduced, the service life of welding gun parts is prolonged, and the welding efficiency is improved, meanwhile, the cooling sleeve and the cold water pipe can be rapidly installed and detached through the hoop and the bolt assembly.
Description
Technical Field
The utility model relates to the technical field of welding equipment, in particular to an improved non-melting nozzle electroslag welding gun.
Background
The electroslag welding process technology is generally used for welding concealed positions such as box column partition plates, non-melt nozzle type electroslag welding is widely applied due to the fact that consumable materials are saved compared with melt nozzle type electroslag welding, the outer wall of an existing gun body is a 11 mm stainless steel circular tube, the inner wall of the existing gun body is a 7.5 mm copper bar, a cold water sleeve is arranged between the inner wall and the outer wall of the existing gun body, and the center of the copper bar is a 3-5 mm diameter welding wire feeding hole. The end part of the welding gun is a copper conductive nozzle; during welding, the conductive nozzle at the end part of the gun body or the stainless steel outer wall is very easy to contact with the wall of the electroslag welding hole to generate short circuit, so that the electroslag welding conductive nozzle or the stainless steel outer wall is broken down and scrapped; the technical requirements of operators are increased, the purchasing cost of wearing parts of welding equipment is increased, the normal production efficiency is influenced, and the manufacturing cost is increased.
Chinese patent CN201728473 discloses an improved non-melt-nozzle electroslag welding gun, wherein the end part of a welding gun body is connected with a conductive nozzle through an internal thread, an external thread is arranged on the cylindrical surface of the end part of the welding gun body, an internal thread arranged in the middle part of a stepped ceramic sleeve stepped hole is matched with the external thread at the end part of the welding gun body, the large hole wall at the upper part of the stepped cooling sleeve stepped hole is in clearance fit with the welding gun body, and the small hole wall at the lower part of the stepped cooling sleeve stepped hole is in clearance fit with the conductive nozzle, so that the problem of short circuit caused by the contact of a welding gun and the wall of the welding hole is avoided, the service life of the welding gun is prolonged, the welding efficiency is improved, but the welding gun body still generates larger heat when in work, the problems of melting loss, damage and the like of welding gun parts under the high-temperature and high-pressure state are easily caused, the service life of the welding gun is greatly reduced, and aiming at the problems, the research is further carried out, and the scheme is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an improved non-melting nozzle electroslag welding gun to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an improved non-melt nozzle electroslag welding gun comprises a welding gun body, a conductive nozzle, a step-shaped ceramic sleeve, a cooling sleeve, a cold water pipe, a water inlet pipe, a water outlet pipe, a hoop and a bolt assembly, wherein the end part of the welding gun body is connected with the conductive nozzle through an internal thread, an external thread is arranged on the cylindrical surface of the end part of the welding gun body, the internal thread arranged in the middle part of a stepped hole of the step-shaped ceramic sleeve is matched with the welding gun body, the hole wall of a small hole at the lower part of the stepped hole of the cooling sleeve is in clearance fit with the conductive nozzle, the cold water pipe is fixedly arranged on the inner wall of the cooling sleeve, a water inlet and a water outlet of the cold water pipe are respectively and fixedly penetrated through the cooling sleeve, the water inlet pipe and the water outlet pipe are respectively and fixedly sleeved on the water inlet and the water outlet of the cold water pipe, the cooling sleeve is sleeved on the outer wall of the welding gun body through the hoop and the bolt assembly, and the cold water pipe in the cooling sleeve is movably sleeved on the outer wall of the welding gun body, the staple bolt is located between inlet tube and the drain pipe.
Preferably, the inner walls of the water inlet pipe and the water outlet pipe are provided with internal threads.
Preferably, the cold water pipe is of a spiral structure and is wound on the inner wall of the cooling sleeve.
Preferably, the cold water pipe is tightly attached to the outer wall of the gun body of the welding gun.
Compared with the prior art, the utility model has the beneficial effects that: the welding gun body cooling structure is reasonable in structure, low in cost and convenient to use, the cooling sleeve is arranged on the outer wall of the welding gun body in the welding gun cooling structure, the cooling water pipe used for cooling the welding gun body is arranged in the cooling sleeve, cooling water is introduced into the cooling water pipe to cool the welding gun body, the cooling structure is simple, the cooling water directly flows on the cooling water pipe on the outer wall of the welding gun body, the cooling effect is good, heat generated by a welding gun in use is greatly reduced, the service life of welding gun parts is prolonged, the welding efficiency is improved, and meanwhile, the cooling sleeve and the cooling water pipe can be rapidly installed and detached through the arrangement of the hoop and the bolt assembly.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic front view showing the structure of the welding gun body, the conductive nozzle and the stepped ceramic sleeve according to the present invention.
In the figure: 1. a torch body; 2. a conductive nozzle; 3. a stepped ceramic bushing; 4. cooling the sleeve; 5. a cold water pipe; 6. a water inlet pipe; 7. a drain pipe; 8. hooping; 9. a bolt assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an improved non-melt nozzle electroslag welding gun comprises a welding gun body 1, a conductive nozzle 2, a step-shaped ceramic sleeve 3, a cooling sleeve 4, a cold water pipe 5, a water inlet pipe 6, a water outlet pipe 7, a hoop 8 and a bolt component 9, wherein the end part of the welding gun body 1 is connected with the conductive nozzle 2 through an internal thread, an external thread is arranged on the cylindrical surface of the end part of the welding gun body 1, the internal thread arranged in the middle part of a step-shaped ceramic sleeve 3 in the step hole is matched with the welding gun body 1, the hole wall of a small hole at the lower part of the step hole of the cooling sleeve 4 is in clearance fit with the conductive nozzle 2, the cold water pipe 5 is fixedly arranged on the inner wall of the cooling sleeve 4, a water inlet and a water outlet of the cold water pipe 5 are respectively and fixedly sleeved on the water inlet and the water outlet of the cold water pipe 5, the cooling sleeve 4 is sleeved on the outer wall of the welding gun body 1 through the hoop 8 and the bolt component 9, the cold water pipe 5 in the cooling sleeve 4 is movably sleeved on the outer wall of the welding gun body 1, and the hoop 8 is positioned between the water inlet pipe 6 and the water outlet pipe 7.
Specifically, the inner walls of the water inlet pipe 6 and the water outlet pipe 7 are both provided with internal threads, and the internal threads passing through the inner walls of the water inlet pipe 6 and the water outlet pipe 7 are used for being connected with an external water injection pipe.
Specifically, the cold water pipe 5 is of a spiral structure, the cooling area of the cold water pipe 5 is increased, and the cold water pipe 5 is wound on the inner wall of the cooling jacket 4.
Specifically, the cold water pipe 5 is closely attached to the outer wall of the torch body 1.
The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.
The working principle is as follows: as can be seen from fig. 1 to 3, when the welding gun body 1 is used, the cooling jacket 4 and the cold water pipe 5 are sleeved on the outer wall of the welding gun body 1, then the cooling jacket 4 is fixed on the welding gun body 1 through the hoop 8 and the bolt assembly 9, cooling water is introduced into the cold water pipe 5 through the water inlet pipe 6, and the cooling water is discharged through the drain pipe 7 after flowing through the cold water pipe 5 to perform circulating cooling, so as to cool the welding gun body 1.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolt assembly, rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An improved non-melt nozzle electroslag welding gun comprises a welding gun body (1), a conductive nozzle (2), a stepped ceramic sleeve (3), a cooling sleeve (4), a cold water pipe (5), a water inlet pipe (6), a water outlet pipe (7), a hoop (8) and a bolt component (9), and is characterized in that the end part of the welding gun body (1) is connected with the conductive nozzle (2) through internal threads, external threads are arranged on the cylindrical surface of the end part of the welding gun body (1), internal threads arranged in the middle part of a stepped hole of the stepped ceramic sleeve (3) are matched with the welding gun body (1), the hole wall of a small hole at the lower part of the stepped hole of the cooling sleeve (4) is in clearance fit with the conductive nozzle (2), the cold water pipe (5) is fixedly arranged on the inner wall of the cooling sleeve (4), and a water inlet and a water outlet of the cold water pipe (5) are respectively and fixedly penetrated through the cooling sleeve (4), the water inlet pipe (6) and the drain pipe (7) are fixedly sleeved at a water inlet and a water outlet of the cold water pipe (5) respectively, the cooling sleeve (4) is sleeved on the outer wall of the welding gun body (1) through a hoop (8) and a bolt assembly (9), the cold water pipe (5) in the cooling sleeve (4) is movably sleeved on the outer wall of the welding gun body (1), and the hoop (8) is located between the water inlet pipe (6) and the drain pipe (7).
2. The improved non-melt nozzle electroslag welding gun according to claim 1, wherein the inner walls of the water inlet pipe (6) and the water outlet pipe (7) are provided with internal threads.
3. The improved non-melt nozzle electroslag welding gun according to claim 1, wherein the cold water pipe (5) is in a spiral structure, and the cold water pipe (5) is wound on the inner wall of the cooling sleeve (4).
4. The improved non-melt nozzle electroslag welding gun according to claim 1, wherein the cold water pipe (5) is tightly attached to the outer wall of the gun body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121219817.XU CN215393135U (en) | 2021-06-02 | 2021-06-02 | Improved non-melting nozzle electroslag welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121219817.XU CN215393135U (en) | 2021-06-02 | 2021-06-02 | Improved non-melting nozzle electroslag welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215393135U true CN215393135U (en) | 2022-01-04 |
Family
ID=79678513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121219817.XU Expired - Fee Related CN215393135U (en) | 2021-06-02 | 2021-06-02 | Improved non-melting nozzle electroslag welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215393135U (en) |
-
2021
- 2021-06-02 CN CN202121219817.XU patent/CN215393135U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |