CN111112804A - Limit water-cooling deep-melting argon arc welding gun - Google Patents
Limit water-cooling deep-melting argon arc welding gun Download PDFInfo
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- CN111112804A CN111112804A CN202010042889.5A CN202010042889A CN111112804A CN 111112804 A CN111112804 A CN 111112804A CN 202010042889 A CN202010042889 A CN 202010042889A CN 111112804 A CN111112804 A CN 111112804A
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- welding gun
- tungsten electrode
- gun body
- sealing
- cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to the technical field of welding equipment, and provides a limit water-cooling deep melting argon arc welding gun which comprises a welding gun body, a tungsten electrode and a conductive nozzle, wherein the tungsten electrode is arranged in the welding gun body, the conductive nozzle is connected with the welding gun body, the tungsten electrode penetrates through the conductive nozzle, and a cooling space is formed between the tungsten electrode and the welding gun body or between the tungsten electrode and the conductive nozzle or between the tungsten electrode and the welding gun body or between the conductive nozzle and the welding gun body, and is used for introducing a coolant to reduce the temperature of the tungsten electrode. Through above-mentioned technical scheme, the problem that among the prior art tungsten utmost point high temperature leads to welding efficiency to reduce has been solved.
Description
Technical Field
The invention belongs to the technical field of welding equipment, and relates to a limit water-cooling deep melting argon arc welding gun.
Background
Argon tungsten-arc welding is a traditional welding method widely applied to industrial production, and is an arc welding mode for generating heat between a non-consumable electrode and a workpiece, argon is continuously sprayed out from a nozzle of a welding gun during welding to form a protective layer around an arc to isolate air so as to prevent the argon from oxidizing a tungsten electrode, a molten pool and an adjacent heat affected zone, so that a high-quality welding seam is obtained.
Disclosure of Invention
The invention provides a limit water-cooling deep melting argon arc welding gun, which solves the problem that the welding efficiency is reduced due to overhigh tungsten electrode temperature in the prior art.
The technical scheme of the invention is realized as follows:
a limit water-cooling deep melting argon arc welding gun comprises:
a welding gun body;
a tungsten electrode disposed within the torch body;
the conductive nozzle is connected with the welding gun body, the tungsten electrode penetrates through the conductive nozzle, and a cooling space is formed between the tungsten electrode and the welding gun body, or between the tungsten electrode and the conductive nozzle, or between the tungsten electrode, the conductive nozzle and the welding gun body and used for introducing a coolant and reducing the temperature of the tungsten electrode.
As a further technical scheme, the welding gun body is provided with:
a coolant inlet passage communicating with the cooling space;
a coolant return passage communicating with the cooling space;
the tungsten electrode is arranged in the central mounting through hole;
the center installation through-hole is provided with:
the threaded section is positioned at one end, far away from the tungsten electrode, of the central mounting through hole;
and the unthreaded hole section is connected with the threaded section and is positioned at one end of the central mounting through hole, which is close to the tungsten electrode.
As a further technical solution, the method further comprises:
the sealing screw is arranged in the threaded section and is in threaded connection;
and the first sealing ring is arranged between the sealing screw and the welding gun body and used for sealing the central mounting through hole.
As a further technical solution, the method further comprises:
the jacking screw is arranged between the sealing screw and the tungsten electrode and connected with the threaded section of the central mounting through hole to fix the position of the tungsten electrode.
As a further technical solution, the method further comprises:
the second sealing ring is arranged at the joint of the contact tip and the welding gun body;
the contact tube is provided with:
the sealing conical surface is positioned at the connecting end of the contact tip and the welding gun body, and an annular space is formed between the sealing conical surface and the welding gun body and used for accommodating the second sealing ring;
the inner surface of the contact tube is the space conical surface, and the space conical surface and the end surface of the welding gun body form a cooling space;
and the diameter of the tungsten electrode outlet is smaller than that of the tungsten electrode, and the tip surface of the tungsten electrode is in contact with the edge of the tungsten electrode outlet to form a seal for sealing the cooling space.
As a further technical solution, the method further comprises:
the protective gas spraying cover is sleeved on the outer side of the welding gun body;
and the insulator is arranged between the protective gas spraying cover and the welding gun body and is used for blocking current from being conducted to the protective gas spraying cover.
As a further technical solution, the protective gas spraying cover is provided with:
the gas inlet channel is used for introducing protective gas;
and the gas groove is communicated with the gas inlet channel, and the tungsten electrode in the gas groove is protected by protective gas.
The working principle and the beneficial effects of the invention are as follows:
1. the invention discloses a limit water-cooling deep melting welding gun, which mainly comprises a welding gun body, a tungsten electrode and a conductive nozzle, wherein the welding gun body is of a main structure, the tungsten electrode is arranged at the center of the welding gun body, the conductive nozzle is in threaded connection with the welding gun body, the tungsten electrode also penetrates through the conductive nozzle, the tip of the tungsten electrode leaks out of the conductive nozzle, the conductive nozzle is electrified, electric energy is conducted to the tungsten electrode, and the tip of the tungsten electrode can perform welding work, the cooling principle is that a cooling space is formed between the tungsten electrode and the conductive nozzle or between the tungsten electrode and the welding gun body or between the tungsten electrode and the conductive nozzle and the welding gun body, the cooling space is an annular space, a coolant is introduced into the cooling space and directly contacts with the tungsten electrode, in the welding process, the heat generated by the tungsten electrode is conducted to the coolant through the surface of the tungsten electrode in contact with the coolant, and the coolant circulates the heat to the outside so, the effect of protecting the tungsten electrode is achieved, compared with the method for cooling the tungsten electrode in the prior art, in the welding gun, the coolant is directly contacted with the tungsten electrode, heat conduction of an intermediate part is not needed, a more sufficient cooling effect can be achieved, high-power output operation can be continuously borne in the welding process of the welding gun, meanwhile, in some efficient welding processes, the welding quality is greatly improved, and through verification, when 304 steel with the thickness of 4mm is welded and input current is 345A, in the prior art, the coolant indirectly cools the tungsten electrode, the cooling effect of the tungsten electrode is poor, the welding speed is about 600mm/min, in the invention, the coolant directly cools the tungsten electrode, the temperature of the tungsten electrode is effectively controlled, and the welding speed is improved to 800 mm/min; when the 304 steel with the thickness of 10mm is welded, when the input current is 600A, the welding speed in the prior art is about 400mm/min, the welding speed is increased to 530mm/min, and the high-load bearing capacity is enhanced when thicker materials are welded.
2. In the invention, a central mounting through hole is arranged on a welding gun body and is divided into a thread section and a light hole section, a tungsten electrode is arranged on the light hole section of the central mounting through hole, the position of the tungsten electrode is also fixed by the central mounting through hole, so that the tungsten electrode can be kept vertical, the welding stability is improved, in addition, two channels are arranged and communicated with a cooling space, a coolant enters the channel and a coolant return channel, in the welding process, the coolant enters the cooling space from the coolant entering channel, the coolant cools the tungsten electrode in the cooling space, the working heat is taken away, and the tungsten electrode returns to the outside from the coolant return channel, so that the heat is taken away, the temperature of the tip of the tungsten electrode is reduced, and the tungsten electrode is protected from being burnt under the high-power working condition.
3. According to the invention, the sealing screw is arranged in the central mounting through hole in the welding gun body, the sealing screw is in threaded connection with the threaded section of the central mounting through hole, and the first sealing ring is arranged between the sealing screw and the welding gun body, so that the central mounting through hole can be completely isolated from the outside, the airtightness of a cooling space can be ensured, and the safety in the working process is improved.
4. In the invention, a jacking screw is also arranged between the tungsten electrode and the sealing screw and is connected with the threaded section, before welding, the jacking screw is firstly adjusted and is directly contacted with the tungsten electrode, the jacking screw is screwed, the position of the tungsten electrode is further fixed, the tungsten electrode is more fastened, and the position between the tungsten electrode and the conductive nozzle is more stable.
5. In the invention, the conductive nozzle and the welding gun body are connected by screw threads, in order to ensure the sealing effect, a sealing conical surface is arranged on the inner surface of the conductive nozzle close to the welding gun body end, a circular space is formed between the sealing conical surface and the welding gun body, a second sealing ring is arranged in the circular space, the sealing effect of the second sealing ring is better due to the inclined sealing conical surface, the sealing property of a cooling space is further enhanced, the safety of the welding process is improved, the inner surface of the conductive nozzle forms a space conical surface of the cooling space, a tungsten electrode is vertically arranged in the space conical surface, the cooling space is also circular, cooling liquid carries out circulating heat exchange in the cooling space, in addition, a tungsten electrode outlet is arranged on the conductive nozzle, the tip of the tungsten electrode extends out of the tungsten electrode outlet, the diameter of the tungsten electrode outlet is smaller than that of the tungsten electrode, the tungsten electrode is in line contact with the tungsten electrode outlet, and the tungsten, and a sealing condition is formed, the cooling space is sealed, and the welding safety is improved.
6. In the invention, in order to ensure that the welding position is isolated from air in the welding process, the welding operation needs to be carried out in the environment of protective gas, the protective gas spray cover is arranged on the outer side of the welding gun body to provide the protective gas in the welding process, an insulator is arranged between the gas protective spray cover and the welding gun body and is used for protecting an operator, so that the current in the tungsten electrode welding process is ensured not to be transmitted to the gas protective spray cover, and the safety of equipment is improved.
7. According to the invention, the protective gas spraying cover is provided with the gas inlet channel and the gas groove, the gas inlet channel is communicated with the gas groove, the protective gas enters the gas groove through the gas inlet channel, a protective gas environment is created in the gas groove, the tungsten electrode is arranged in the gas groove, and in the welding process, the tungsten electrode is subjected to welding operation under the protection of the protective gas, so that the safety is further improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is an enlarged view of a portion of FIG. 2 at C;
FIG. 5 is an enlarged view of a portion of FIG. 2 at D;
in the figure: 1-welding gun body, 11-coolant inlet channel, 12-coolant return channel, 13-central installation through hole, 131-thread section, 132-smooth hole section, 2-tungsten electrode, 3-conductive nozzle, 31-space conical surface, 32-tungsten electrode outlet, 33-sealing conical surface, 4-sealing screw, 5-first sealing ring, 6-tightening screw, 7-protective gas spray cover, 71-gas inlet channel, 72-gas groove, 8-insulator and 9-second sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
As shown in fig. 1-5, a limited water-cooling deep melting argon arc welding gun comprises:
a welding gun body 1;
the tungsten electrode 2 is arranged in the welding gun body 1;
the contact tube 3, the contact tube 3 is connected with the welding gun body 1, the tungsten electrode 2 passes through the contact tube 3, and a cooling space is formed between the tungsten electrode 2 and the welding gun body 1, or between the tungsten electrode 2 and the contact tube 3, or between the tungsten electrode 2, the contact tube 3 and the welding gun body 1, and is used for introducing a coolant and reducing the temperature of the tungsten electrode 2.
In the embodiment, the invention discloses a limit water-cooling deep melting welding gun, which mainly comprises a welding gun body 1, a tungsten electrode 2 and a conductive nozzle 3, wherein the welding gun body 1 is of a main structure, the tungsten electrode 2 is arranged at the center of the welding gun body 1, the conductive nozzle 3 is in threaded connection with the welding gun body 1, the tungsten electrode 2 also penetrates through the conductive nozzle 3, the tip of the tungsten electrode 2 leaks out of the conductive nozzle 3, the conductive nozzle 3 is electrified, electric energy is transmitted to the tungsten electrode 2, the tip of the tungsten electrode 2 can carry out welding work, the cooling principle is that a cooling space is formed between the tungsten electrode 2 and the conductive nozzle 3 or between the tungsten electrode 2 and the welding gun body 1 or between the tungsten electrode 2 and the conductive nozzle 3 and the welding gun body 1, the cooling space is an annular space, a coolant is introduced into the cooling space, the coolant is in direct contact with the tungsten electrode 2 in the cooling space, and the heat generated by the tungsten electrode 2 is transmitted into the coolant through the coolant, the coolant circulates the heat to the outside, thus reduce the tungsten electrode 2 temperature, play the effect of protecting the tungsten electrode 2, compared with the method for cooling the tungsten electrode 2 in the prior art, in this welding gun, the coolant contacts with the tungsten electrode 2 directly, needn't pass the heat conduction of the intermediate member, can reach more sufficient cooling effect, make the welding gun welding process, can bear the output operation of the high power continuously, meanwhile, in some high-efficient welding processes, the welding quality is promoted greatly, proved, while welding the 304 steel of 4mm thick, when the input current is 345A, the welding speed of the prior art is about 600mm/min, the invention welds the speed and promotes to 800 mm/min; when the 304 steel with the thickness of 10mm is welded and the input current is 600A, the welding speed of the prior art is about 400mm/min, and the welding speed of the invention is improved to 530 mm/min.
Further, be provided with on welder body 1:
a coolant inlet passage 11, the coolant inlet passage 11 communicating with the cooling space;
a coolant return passage 12, the coolant return passage 12 communicating with the cooling space;
the tungsten electrode 2 is arranged in the central mounting through hole 13;
the center mounting through-hole 13 is provided with:
the threaded section 131 is positioned at one end, far away from the tungsten electrode 2, of the central mounting through hole 13;
and the light hole section 132, wherein the light hole section 132 is connected with the threaded section 131 and is positioned at one end of the central mounting through hole 13 close to the tungsten electrode 2.
In this embodiment, the welding gun body 1 is provided with a central mounting through hole, the central mounting through hole 13 is divided into a threaded section 131 and a smooth hole section 132, the tungsten electrode 2 is mounted on the smooth hole section 132 of the central mounting through hole 13, the central mounting through hole 13 also fixes the position of the tungsten electrode 2, so that the tungsten electrode 2 can be kept vertical, and the welding stability is improved, in addition, two channels are communicated with the cooling space, the coolant enters the coolant inlet channel 11 and the coolant return channel 12, in the welding process, the coolant enters the cooling space from the inlet channel 11, the coolant cools the tungsten electrode 2 in the cooling space, and takes away working heat and returns to the outside from the coolant return channel 12, thereby taking away the heat, reducing the temperature of the tip of the tungsten electrode 2, and protecting the tungsten electrode 2 from being burnt under the high-power working condition.
Further, still include:
the sealing screw 4 is arranged in the threaded section 131 and is in threaded connection with the threaded section;
and a first sealing ring 5, wherein the first sealing ring 5 is arranged between the sealing screw 4 and the welding gun body 1 and is used for sealing the central mounting through hole 13.
In this embodiment, the sealing screw 4 is installed to the central mounting through hole 13 on the welding gun body 1, the sealing screw 4 is in threaded connection with the threaded section 131 of the central mounting through hole 13, and the first sealing ring 5 is arranged between the sealing screw 4 and the welding gun body 1, so that the central mounting through hole 13 can be completely isolated from the outside, the sealing performance of the cooling space can be ensured, and the safety in the working process is improved.
Further, still include:
and the jacking screw 6 is arranged between the sealing screw 4 and the tungsten electrode 2, and the jacking screw 6 is connected with the threaded section 131 of the central mounting through hole 13 and used for fixing the position of the tungsten electrode 2.
In this embodiment, between tungsten utmost point 2 and sealing screw 4, still install holding screw 6, holding screw 6 is connected with screw thread section 131, and before welding, at first adjusting holding screw 6, holding screw 6 and tungsten utmost point 2 direct contact tighten holding screw 6, further fix the position of tungsten utmost point 2, make tungsten utmost point 2 fasten more, and the position is more stable between tungsten utmost point 2 and the contact tip 3.
Further, still include:
the second sealing ring 9, the second sealing ring 9 is set up in the contact tip 3 and body of the welding gun 1 junction;
the contact tip 3 is provided with:
the sealing conical surface 33, the sealing conical surface 33 is located at the connecting end of the contact tip 3 and the welding gun body 1, and an annular space is formed between the sealing conical surface 33 and the welding gun body 1 and is used for accommodating the second sealing ring 9;
the inner surface of the contact tube 3 is a space conical surface 31, and the space conical surface 31 and the end surface of the welding gun body 1 form a cooling space;
the tungsten electrode outlet 32, the diameter of the tungsten electrode outlet 32 is smaller than that of the tungsten electrode 2, and the tip surface of the tungsten electrode 2 is in contact with the edge of the tungsten electrode outlet 32 to form a seal for sealing the cooling space.
In the embodiment, the contact tube 3 and the welding gun body 1 are connected by screw threads, in order to ensure the sealing effect, a sealing conical surface 33 is arranged on the inner surface of the contact tube 3 close to the welding gun body 1, a circular space is formed between the sealing conical surface 33 and the welding gun body 1, a second sealing ring 9 is arranged in the circular space, the inclined sealing conical surface 33 can ensure that the sealing effect of the second sealing ring 9 is better, the sealing property of a cooling space is further enhanced, the safety of the welding process is improved, the inner surface of the contact tube 3 forms a cooling space which is a space conical surface 31, a tungsten electrode 2 is vertically arranged in the space conical surface 31, the cooling space is also circular, cooling liquid performs circular heat exchange in the cooling space, in addition, a tungsten electrode outlet 32 is arranged on the contact tube 3, the tip of the tungsten electrode 2 extends out of the tungsten electrode outlet 32, and the diameter of the tungsten electrode outlet 32 is smaller than that of, the tungsten electrode 2 and the tungsten electrode outlet 32 form line contact, the tungsten electrode 2 and the tungsten electrode outlet 32 are tightly contacted, a sealing condition is formed, the cooling space is sealed, and the welding safety is improved.
Further, still include:
the protective gas spraying cover 7 is sleeved outside the welding gun body 1, and the protective gas spraying cover 7 is sleeved outside the welding gun body 1;
and the insulator 8 is arranged between the protective gas spray cover 7 and the welding gun body 1 and used for blocking current from being conducted to the protective gas spray cover 7.
In this embodiment, in order to guarantee among the welding process, the welding position is isolated with the air, need carry out welding operation under protective gas's environment, install protective gas in welder body 1 outside and spout cover 7, provide the protective gas among the welding process, there is insulator 8 between gas protection spouts cover and welder body 1, insulator 8 is the protection operating personnel, guarantees that tungsten utmost point 2 welding process's electric current can not conduct gas protection and spouts the cover, has promoted the security of equipment.
Further, the protective gas spraying cover 7 is provided with:
the gas inlet channel 71, the gas inlet channel 71 is used for introducing protective gas;
and a gas groove 72, wherein the gas groove 72 is communicated with the gas inlet channel 71, and the tungsten electrode 2 positioned in the gas groove 72 is protected by the protective gas.
In this embodiment, the protective gas spraying cover 7 is provided with the gas inlet channel 71 and the gas groove 72, the gas inlet channel 71 is communicated with the gas groove 72, the protective gas enters the gas groove 72 through the gas inlet channel 71, a protective gas environment is created in the gas groove 72, the tungsten electrode 2 is arranged in the gas groove 72, and in the welding process, the tungsten electrode 2 is subjected to welding operation under the protection of the protective gas, so that the safety is further improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a limit water-cooling deep melting argon arc welder which characterized in that includes:
a welding gun body (1);
the tungsten electrode (2), the tungsten electrode (2) is arranged in the welding gun body (1);
the welding gun comprises a conductive nozzle (3), the conductive nozzle (3) is connected with a welding gun body (1), a tungsten electrode (2) penetrates through the conductive nozzle (3), the tungsten electrode (2) is arranged between the welding gun body (1), or the tungsten electrode (2) is arranged between the conductive nozzle (3), or a cooling space is formed between the tungsten electrode (2) and the conductive nozzle (3) and the welding gun body (1) and used for introducing a coolant to reduce the temperature of the tungsten electrode (2).
2. The argon arc welding gun for limiting water cooling deep melting according to claim 1, wherein the welding gun body (1) is provided with:
a coolant inlet channel (11), said coolant inlet channel (11) communicating with said cooling space;
a coolant return channel (12), the coolant return channel (12) communicating with the cooling space;
a central mounting through hole (13), the tungsten electrode (2) being disposed within the central mounting through hole (13);
the center mounting through hole (13) is provided with:
the threaded section (131) is positioned at one end, far away from the tungsten electrode (2), of the central mounting through hole (13);
the unthreaded hole section (132), unthreaded hole section (132) with screw thread section (131) are connected, are located central installation through-hole (13) are close to one end of tungsten utmost point (2).
3. The argon arc welding gun for limiting water cooling deep melting according to claim 2, characterized by further comprising:
the sealing screw (4) is arranged in the threaded section (131) and is in threaded connection with the threaded section (4);
the first sealing ring (5) is arranged between the sealing screw (4) and the welding gun body (1) and used for sealing the central mounting through hole (13).
4. The limited water-cooling deep melting argon arc welding gun according to claim 1, characterized by further comprising:
the jacking screw (6), the jacking screw (6) set up sealing screw (4) with between tungsten utmost point (2), jacking screw (6) with center installation through-hole (13) screw thread section (131) are connected, are used for fixing tungsten utmost point (2) position.
5. The limited water-cooling deep melting argon arc welding gun according to claim 1, characterized by further comprising:
the second sealing ring (9), the second sealing ring (9) is arranged at the joint of the contact tip (3) and the welding gun body (1);
the contact tube (3) is provided with:
the sealing conical surface (33), the sealing conical surface (33) is positioned at the connecting end of the contact tip (3) and the welding gun body (1), and an annular space is formed between the sealing conical surface (33) and the welding gun body (1) and is used for accommodating the second sealing ring (9);
the inner surface of the contact tube (3) is the space conical surface (31), and the space conical surface (31) and the end surface of the welding gun body (1) form a cooling space;
a tungsten electrode outlet (32), the diameter of the tungsten electrode outlet (32) is smaller than that of the tungsten electrode (2), and the tip surface of the tungsten electrode (2) is in contact with the edge of the tungsten electrode outlet (32) to form a seal for sealing the cooling space.
6. The limited water-cooling deep melting argon arc welding gun according to claim 1, characterized by further comprising:
the protective gas spraying cover (7), the protective gas spraying cover (7) is sleeved on the outer side of the welding gun body (1);
the insulator (8) is arranged between the protective gas spraying cover (7) and the welding gun body, and is used for blocking current from being conducted to the protective gas spraying cover (7).
7. The argon arc welding gun for limiting water cooling deep melting according to claim 6, characterized in that the protective gas spraying cover (7) is provided with:
the gas inlet channel (71), the gas inlet channel (71) is used for introducing protective gas;
a gas groove (72), wherein the gas groove (72) is communicated with the gas inlet channel (71), and protective gas protects the tungsten electrode (2) in the gas groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042889.5A CN111112804B (en) | 2020-01-15 | 2020-01-15 | Limit water-cooling deep-melting argon arc welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042889.5A CN111112804B (en) | 2020-01-15 | 2020-01-15 | Limit water-cooling deep-melting argon arc welding gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111112804A true CN111112804A (en) | 2020-05-08 |
| CN111112804B CN111112804B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010042889.5A Active CN111112804B (en) | 2020-01-15 | 2020-01-15 | Limit water-cooling deep-melting argon arc welding gun |
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| CN (1) | CN111112804B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909646A (en) * | 2021-11-03 | 2022-01-11 | 北京石油化工学院 | Coaxial powder feeding TIG welding device and application thereof |
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| CN201552375U (en) * | 2009-06-23 | 2010-08-18 | 上海科米钢管有限公司 | Welding gun with high-efficient cooling structure for TIG argon arc welding |
| CN201799754U (en) * | 2010-08-20 | 2011-04-20 | 许加庆 | Automatic large-power Tungsten Inert Gas (TIG) welding torch |
| CN109262117A (en) * | 2018-10-17 | 2019-01-25 | 广东福维德焊接股份有限公司 | A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun |
| CN109434256A (en) * | 2018-12-28 | 2019-03-08 | 成都国泰景程科技有限公司 | A kind of gas tungsten arc welding welding gun of compressible electric arc |
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2020
- 2020-01-15 CN CN202010042889.5A patent/CN111112804B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201552375U (en) * | 2009-06-23 | 2010-08-18 | 上海科米钢管有限公司 | Welding gun with high-efficient cooling structure for TIG argon arc welding |
| CN201799754U (en) * | 2010-08-20 | 2011-04-20 | 许加庆 | Automatic large-power Tungsten Inert Gas (TIG) welding torch |
| CN109262117A (en) * | 2018-10-17 | 2019-01-25 | 广东福维德焊接股份有限公司 | A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun |
| CN109434256A (en) * | 2018-12-28 | 2019-03-08 | 成都国泰景程科技有限公司 | A kind of gas tungsten arc welding welding gun of compressible electric arc |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909646A (en) * | 2021-11-03 | 2022-01-11 | 北京石油化工学院 | Coaxial powder feeding TIG welding device and application thereof |
| CN113909646B (en) * | 2021-11-03 | 2023-03-10 | 北京石油化工学院 | Coaxial powder feeding TIG welding device and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111112804B (en) | 2022-02-01 |
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