CN212398444U - Double-nozzle precision argon arc welding gun capable of improving tungsten needle clamping precision and protecting effect - Google Patents
Double-nozzle precision argon arc welding gun capable of improving tungsten needle clamping precision and protecting effect Download PDFInfo
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- CN212398444U CN212398444U CN202022090069.1U CN202022090069U CN212398444U CN 212398444 U CN212398444 U CN 212398444U CN 202022090069 U CN202022090069 U CN 202022090069U CN 212398444 U CN212398444 U CN 212398444U
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- tungsten needle
- nozzle
- welding gun
- argon arc
- tungsten
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Abstract
The utility model discloses a promote accurate argon arc welder of double jet of tungsten needle clamping precision and protection effect, include: the welding gun comprises a tungsten needle, a main nozzle sleeved on the outer side of the head of the tungsten needle, a welding gun tube sleeved on the outer side of the tungsten needle and communicated with the main nozzle, and a main vent pipe communicated with the main nozzle; argon arc welder still includes: the auxiliary nozzle is wrapped outside the main nozzle, the auxiliary vent pipe is communicated with the auxiliary nozzle, the tungsten electrode clamping pipe is arranged inside the welding gun pipe and used for clamping the tungsten needle, the spring chuck is sleeved on the outer side of the tail of the tungsten needle, and the fastening cap is sleeved on the tail end of the tungsten needle; the welding gun realizes double-point clamping of the tungsten needle through the spring chuck and the tungsten electrode clamping tube, wherein the spring chuck clamps the tungsten needle through screwing the fastening cap. The utility model discloses a method of two point centre gripping tungsten needles has effectively solved the inconsistent problem of tungsten needle clamping that argon arc welder appears when miniature structural component automatic weld.
Description
Technical Field
The utility model relates to the field of welding technology, concretely relates to promote accurate argon arc welder of double jet of tungsten needle clamping precision and protection effect.
Background
The automatic argon arc welding is widely popularized and applied in the aerospace manufacturing field by virtue of the advantages of stable welding process, high production efficiency, capability of effectively preventing occupational disease hazards and the like, and an argon arc welding gun is used as an execution part of an automatic welding system, is required to have high repeated clamping and positioning accuracy and is suitable for the protection requirement of a welding joint during high-speed welding.
The conventional argon arc welding gun generally adopts a ceramic single-layer nozzle for welding process protection, can meet the use requirement in the occasions with low requirements on manual welding and welding quality, is limited by the characteristics of poor heat conductivity, easy oxidation, short protection time and the like of a base metal when the conventional argon arc welding gun is used for welding nonferrous metals such as titanium alloy and the like and high-speed automatic welding, is not enough to protect high-temperature metal in a welding line and a near seam area, causes poor fluidity and poor protection of the welding line metal, easily generates welding defects such as air holes, surface oxidation, incomplete penetration and the like, and has relatively low joint plasticity and strength. On the other hand, limited by the size of the welding joint of the thin-wall structural part, the welding gun is required to have high repeated positioning precision and track precision in the automatic argon arc welding process, namely, higher requirements are provided for the clamping precision of the tungsten electrode, and the conventional argon arc welding gun only depends on the action of a tungsten electrode clamp to realize single-point clamping of the tungsten electrode, so that the clamping concentricity of the tungsten electrode is poor, the repeated clamping precision is low, the implementation and application of the automatic argon arc welding are limited, and the novel double-nozzle argon arc welding gun for increasing the energy density of the electric arc and the protection effect is used (application number 201420691648.3).
SUMMERY OF THE UTILITY MODEL
The utility model aims at improving current argon arc welder, provide a two point centre gripping tungsten needles, promote the accurate argon arc welder of full-automatic two nozzles of tungsten needle clamping precision and welding seam protection effect.
In order to achieve the above object, the utility model provides a promote accurate argon arc welder of double jet of tungsten needle clamping precision and protection effect, include: the welding gun comprises a tungsten needle, a main nozzle sleeved on the outer side of the head of the tungsten needle, a welding gun tube sleeved on the outer side of the tungsten needle and communicated with the main nozzle, and a main vent pipe communicated with the main nozzle; argon arc welder still includes: the auxiliary nozzle is wrapped outside the main nozzle, the auxiliary vent pipe is communicated with the auxiliary nozzle, the tungsten electrode clamping pipe is arranged inside the welding gun pipe and used for clamping the tungsten needle, the spring chuck is sleeved on the outer side of the tail of the tungsten needle, and the fastening cap is sleeved on the tail end of the tungsten needle; the tungsten needle passes through collet chuck with the tungsten utmost point presss from both sides the pipe and realizes two point centre gripping, wherein, collet chuck is through screwing in the tight cap centre gripping tungsten needle of abandoning.
Optionally, the main vent pipe is communicated with the side wall of the welding gun pipe, and the main nozzle is communicated with the main vent pipe through the welding gun pipe.
Optionally, the end of the welding gun pipe and the end of the secondary nozzle are processed into a honeycomb shape.
Optionally, the inside of the secondary nozzle is filled with a stainless steel ball.
Optionally, the nozzle of the secondary nozzle is provided with a screen.
Optionally, the argon arc welding gun further comprises: an insulating sleeve; the insulating sleeve is arranged between the main nozzle and the welding gun barrel.
Optionally, the argon arc welding gun further comprises: and the wiring lug is used for transmitting welding current and is fixedly connected with the outer wall of the welding gun tube.
Optionally, the tightening cap is a pneumatic tightening cap.
Optionally, the argon arc welding gun further comprises: and the boosting spring is arranged in the welding gun pipe and used for assisting in disassembling the tungsten needle.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a collet chuck and the design of two centre gripping tungsten needles of tungsten utmost point double-point clamp pipe have effectively solved the inconsistent, the poor problem of concentricity of tungsten needle and nozzle of tungsten needle clamping that argon arc welder appears when the high-speed automatic weld of miniature structural component.
(2) The utility model discloses utilize pneumatics to abandon tight cap and press from both sides tight tungsten needle, can realize the automatic dismantlement and the repacking of tungsten needle under pneumatic condition.
(3) The utility model discloses a bad problem of welding seam protection in the welding process has effectively been solved to the air feed mode of the independent air feed of double jet.
Drawings
Fig. 1 is the utility model discloses a promote tungsten needle clamping precision and protection effect's full-automatic double-nozzle precision argon arc welder's structural schematic.
Fig. 2 is a schematic diagram of the relative positions of the main nozzle and the auxiliary nozzle of the present invention.
Fig. 3 is the utility model discloses a promote the three-dimensional structure chart of full-automatic double-nozzle precision argon arc welder of tungsten needle clamping precision and protection effect.
1-a fastening cap, 2-a spring chuck, 3-a tungsten electrode clamping pipe, 4-a boosting spring, 5-a main vent pipe, 6-a welding gun pipe, 7-an insulating sleeve, 8-an auxiliary vent pipe, 9-a wiring nose, 10-a tungsten needle, 11-a main nozzle and 12-an auxiliary nozzle.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
In the utility model, the end of the tungsten needle 10 close to the welding point is the head, and the end of the tungsten needle 10 far away from the welding point is the tail.
As shown in fig. 1 and 3, the utility model discloses a promote accurate argon arc welder of full-automatic double spray nozzle of tungsten needle clamping precision and protection welder effect, include: the device comprises a tungsten needle 10, a main nozzle 11 sleeved outside the head of the tungsten needle 10, a welding gun tube 6 sleeved outside the tungsten needle 10 and communicated with the main nozzle 11, and a main vent pipe 5 communicated with the main nozzle 11; the argon arc welder still includes: the auxiliary nozzle 12 is wrapped outside the main nozzle 11, the auxiliary vent pipe 8 is communicated with the auxiliary nozzle 12, the tungsten electrode clamping pipe 3 is arranged inside the welding gun pipe 6 and used for clamping the tungsten needle 10, the spring chuck 2 is sleeved on the outer side of the tail of the tungsten needle 10, and the fastening cap 1 is sleeved on the tail end of the tungsten needle 10; the welding gun realizes double-point clamping of the tungsten needle 10 through the spring chuck 2 and the tungsten electrode clamping tube 3, wherein the spring chuck 2 clamps the tungsten needle 10 through the screwing fastening cap 1.
The utility model discloses a gas of universalization, electric interface can be connected with most welding source and use. Preferably, the tightening cap 1 of the utility model is a pneumatic tightening cap, and the tungsten needle feeding device can be matched to realize automatic disassembly and replacement of the tungsten needle 10 under pneumatic conditions. When the locking cap 1 is released, the tungsten needle 10 is inserted in the axial direction of the welding gun tube 6. After the cap 1 is screwed tightly, the tungsten needle 10 is rigidly fixed under the double-point clamping of the conical end surface of the tungsten electrode clamping tube 3 and the spring chuck 2, and the problem of inconsistent clamping of the tungsten needle 10 in the welding process of the argon arc welding gun is effectively solved.
In some embodiments, the argon arc welding gun further comprises: a booster spring 4 disposed within the gun tube 6 and used to assist in the removal of the tungsten needle 10. When the tightening cap 1 is tightened, the boosting spring 4 is in a compressed state under the pressure; when the tungsten needle is replaced, the fastening cap 1 is loosened, the boosting spring 4 extends, the spring chuck 2 is pushed out along the axial direction of the welding gun tube 6 under the action of the boosting spring 4, and the tungsten needle 10 can be pulled out from the tail part for replacement.
The utility model uses inert gases such as argon as protective gas. The main vent pipe 5 communicates with the side wall of the gun tube 6, and supplies inert gas to the main nozzle 11 through the gun tube 6. The main nozzle 11 in the embodiment of fig. 2 is concentric with the tungsten needle 10, and injects an inert gas into the tungsten needle 10.
The utility model discloses a main nozzle 11 independently provides inert gas with vice nozzle 12, has effectively guaranteed that the inert gas around the welding point is sufficient. The auxiliary nozzle 12 is waist-shaped, a certain amount of steel balls are filled in the auxiliary nozzle 12, and a screen is arranged at the nozzle to achieve the effect of gas diversion. 6 tip of gun tube and the 12 tip of auxiliary nozzle process into honeycomb, make gas blowout more even, further strengthened gaseous reposition of redundant personnel effect, effectively promoted the protection effect to the weld joint.
In some embodiments, an insulating sleeve 7 is further provided between the primary nozzle 11 and the gun tube 6, and is insulated and isolated by the insulating sleeve 7.
The utility model discloses a promote full-automatic double-nozzle precision argon arc welder of tungsten needle clamping precision and protection effect still includes: and the wire connecting lug 9 is used for transmitting welding current, and the wire connecting lug 9 is fixedly connected with the outer wall of the welding gun tube 6. The welding current is provided by a welding power supply and is transmitted to a tungsten needle 10 through a welding gun tube 6 and a tungsten needle 10 clamping tube through a wiring nose 9.
To sum up, the utility model discloses a promote accurate argon arc welder of full-automatic double nozzle of tungsten needle clamping precision and protection effect adopts the structure of two pinch points, double jet, has effectively solved the tungsten needle clamping inconsistent, the poor, the bad scheduling problem of welding seam protection of the concentricity of tungsten needle and nozzle that argon arc welder appears when the high-speed automatic weld of miniature structural component.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (9)
1. The utility model provides a promote accurate argon arc welder of dual nozzle of tungsten needle clamping precision and protection effect, includes: the welding gun comprises a tungsten needle (10), a main nozzle (11) sleeved on the outer side of the head of the tungsten needle (10), a welding gun tube (6) sleeved on the outer side of the tungsten needle (10) and communicated with the main nozzle (11), and a main vent pipe (5) communicated with the main nozzle (11); it is characterized in that the preparation method is characterized in that,
argon arc welder still includes: the auxiliary nozzle (12) is wrapped outside the main nozzle (11), the auxiliary vent pipe (8) is communicated with the auxiliary nozzle (12), the tungsten electrode clamping pipe (3) is arranged inside the welding gun pipe (6) and used for clamping the tungsten needle (10), the spring chuck (2) is sleeved on the outer side of the tail of the tungsten needle (10), and the fastening cap (1) is sleeved on the tail end of the tungsten needle (10);
the welding gun realizes double-point clamping of the tungsten needle (10) through the spring chuck (2) and the tungsten electrode clamping tube (3), wherein the spring chuck (2) clamps the tungsten needle (10) through screwing the fastening cap (1).
2. The dual-nozzle precise argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein the main vent pipe (5) is communicated with the side wall of the gun tube (6), and the main nozzle (11) is communicated with the main vent pipe (5) through the gun tube (6).
3. The double-nozzle precise argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein the end part of the gun tube (6) and the end part of the secondary nozzle (12) are processed into a honeycomb shape.
4. The double-nozzle precise argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein the inside of the secondary nozzle (12) is filled with stainless steel balls.
5. The double-nozzle precise argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein a nozzle of the auxiliary nozzle (12) is provided with a screen.
6. The dual-nozzle precision argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein the argon arc welding gun further comprises: an insulating sleeve (7); the insulating sleeve (7) is arranged between the main nozzle (11) and the welding gun tube (6).
7. The dual-nozzle precision argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein the argon arc welding gun further comprises: a wiring nose (9) for transmitting welding current, wiring nose (9) with the outer wall connection of gun tube (6) is fixed.
8. The dual-nozzle precise argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein the fastening cap (1) is a pneumatic fastening cap (1).
9. The dual-nozzle precision argon arc welding gun for improving the clamping precision and the protection effect of the tungsten needle as claimed in claim 1, wherein the argon arc welding gun further comprises: and the boosting spring (4) is arranged in the welding gun tube (6) and is used for assisting in disassembling the tungsten needle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090069.1U CN212398444U (en) | 2020-09-22 | 2020-09-22 | Double-nozzle precision argon arc welding gun capable of improving tungsten needle clamping precision and protecting effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090069.1U CN212398444U (en) | 2020-09-22 | 2020-09-22 | Double-nozzle precision argon arc welding gun capable of improving tungsten needle clamping precision and protecting effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212398444U true CN212398444U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022090069.1U Active CN212398444U (en) | 2020-09-22 | 2020-09-22 | Double-nozzle precision argon arc welding gun capable of improving tungsten needle clamping precision and protecting effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212398444U (en) |
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2020
- 2020-09-22 CN CN202022090069.1U patent/CN212398444U/en active Active
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