CN212443678U - Titanium alloy butt fusion utmost point inert gas protection welding set - Google Patents
Titanium alloy butt fusion utmost point inert gas protection welding set Download PDFInfo
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- CN212443678U CN212443678U CN202021447668.8U CN202021447668U CN212443678U CN 212443678 U CN212443678 U CN 212443678U CN 202021447668 U CN202021447668 U CN 202021447668U CN 212443678 U CN212443678 U CN 212443678U
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Abstract
The utility model discloses a titanium alloy butt-joint consumable electrode inert gas shielded welding device, which is used for manufacturing titanium alloy special vehicles, and relates to the technical field of shielded welding devices, the utility model comprises a protective cover formed by sequentially connecting a front cover plate, a left cover plate, a rear cover plate and a right cover plate end to end and a telescopic measuring tape sheet arranged above the rear cover plate through a fixed plate, wherein the left cover plate and the right cover plate are symmetrically arranged, the top of the inner side is provided with a clamping groove, the front end of the measuring tape sheet is provided with a circular ring for installing an MIG welding gun, the two sides of the measuring tape sheet are respectively connected with the clamping grooves of the left cover plate and the right cover plate in a sliding way, and the middle parts of the front cover plate, the left cover plate and the rear cover plate are all provided; the utility model provides a titanium alloy butt weld inhale hydrogen, oxygen uptake, inhale nitrogen scheduling problem in quick, high-efficient welding process, effectively protected the weld zone, improved titanium alloy's welding efficiency and welding seam quality.
Description
Technical Field
The utility model provides a titanium alloy butt joint consumable electrode inert gas protection welding set for the special vehicle of titanium alloy makes, the utility model relates to a protection welding set technical field.
Background
The titanium alloy has the advantages of small density, high tensile strength, good corrosion resistance and the like, but the chemical property of the titanium alloy is extremely active at high temperature, and the titanium has strong absorption effect on hydrogen, oxygen and nitrogen in the air at the temperature of more than 200 ℃, so when the titanium alloy is welded, an inert gas is required to be adopted to protect a welding high-temperature area, and a welding seam melting pool, a heat affected zone and a base metal high-temperature area are protected to prevent the gas such as the hydrogen, the oxygen and the nitrogen in the air from entering a welding seam to cause the deterioration of the welding seam performance.
In the existing titanium alloy welding protection technology, some titanium alloy parts are welded by adopting a vacuum chamber, and some titanium alloy parts are welded by adopting a protective drag cover; when the vacuum chamber is adopted for protection, the size of the welded titanium alloy part is influenced by the vacuum chamber, the parts which can be welded are limited, and the welding cost is higher by adopting the vacuum chamber to weld the titanium alloy. At present, the most common method adopts a TIG + protective dragging cover mode for protection, but the method has low welding efficiency and is not beneficial to the quick and efficient welding of titanium alloy.
Disclosure of Invention
The utility model aims to provide a: the inert gas protection welding device for the titanium alloy butt fusion electrode solves the problems of hydrogen absorption, oxygen absorption, nitrogen absorption and the like of a titanium alloy butt welding seam in a rapid and efficient welding process, effectively protects a welding area, and improves the welding efficiency and the welding seam quality of the titanium alloy.
The utility model adopts the technical scheme as follows: the utility model provides a titanium alloy butt joint metal inert gas protects welding set, includes by front shroud, left cover plate, rear shroud, right cover plate in proper order end to end the safety cover that encloses and installs the scalable tape measure piece in the rear shroud top through the fixed plate, left side cover plate and right cover plate symmetry set up, and the equal level in inboard top is provided with the draw-in groove, the front end of tape measure piece is provided with the circular circle that is used for installing MIG welder, the both sides of this tape measure piece respectively with the draw-in groove sliding connection of left cover plate, right cover plate, the middle part of front shroud, left cover plate, rear shroud all is provided with the argon gas conveyer pipe.
The utility model discloses a theory of operation does: the protective cover of the utility model is formed by a front cover plate, a rear cover plate, a left cover plate and a right cover plate, and an argon conveying pipe is respectively arranged among the front cover plate, the rear cover plate and the left cover plate; meanwhile, the upper ends of the left and right cover plates are provided with clamping grooves, thin tape pieces penetrate through the clamping grooves, the front sections of the tape pieces are provided with circular rings, and MIG welding guns are sleeved in the circular rings; meanwhile, a thin tape fixing plate is respectively arranged at the initial positions of the left and right cover plates, and a tape shaking handle is arranged at the upper end of the fixing plate; when the utility model is used for titanium alloy welding, the protection device is firstly arranged on the upper surface of a workpiece to be welded, and then the MIG welding gun is sleeved in the circular ring; then opening the first argon conveying pipe, discharging air at the part to be welded, and enabling the upper part of a weldment to be in a pure argon gas protection state; when the welding gun passes through the middle position of the protective cover, the second argon conveying pipe and the third argon conveying pipe are opened, after the whole welding seam is welded, the inner cavity of the protective cover is continuously ventilated for 30s, all the argon conveying pipes are closed, the MIG welding gun is taken out from the circular ring, the tape measure piece is rolled up through the handle, and the welding operation is completed; the utility model isolates the surface of the welding seam from the air by inputting the argon in the protective cover, thereby avoiding the oxidation of the welding seam at high temperature; meanwhile, the inert gas is continuously supplemented and polluted inert gas is replaced in the welding process, so that a good protection effect is achieved on the welding seam.
The upper end of the fixed plate is provided with a shaking handle for folding the measuring tape; and after the whole welding seam is welded, continuously ventilating the inner cavity of the protective cover for 30s, closing all argon conveying pipes, taking the MIG welding gun out of the circular ring, and rolling up and furling the tape measure sheet through the handle to finish welding operation.
The protective cover is a rectangular protective cover made of a red copper plate; the red copper plate has good mechanical property, good plasticity in hot state and good plasticity in cold state, good machinability, easy fiber welding and low price.
The argon conveying pipe is provided with 3 argon conveying pipes which are respectively a first argon conveying pipe, a second argon conveying pipe and a third argon conveying pipe, the first argon conveying pipe penetrates through a rear cover plate to be communicated with an inner cavity of a protective cover, the second argon conveying pipe penetrates through a left cover plate to be communicated with the inner cavity of the protective cover, the third argon conveying pipe penetrates through a front cover plate to be communicated with the inner cavity of the protective cover, the 3 argon conveying pipes are respectively controlled, before welding, the first argon conveying pipe is opened, air at a part to be welded is discharged, welding is carried out after the part above a weldment is in a pure argon protection state, and during welding, a tape piece moves forwards along with a MIG welding gun in a clamping groove, so that protective gas covers a welding seam in the protective cover, and the welding seam is prevented; when the welding gun passes through the middle position of the protective cover, the second argon conveying pipe and the third argon conveying pipe are opened, so that protective gas covers the protective welding seam in the protective cover, the contact between the surface of the welding seam and air is avoided, the welding seam is prevented from being oxidized at high temperature, the welding seam forming effect is improved, and the welding quality of the welding seam is ensured.
The measuring tape is a thin measuring tape with the thickness of 0.1-1 mm, the width of the measuring tape corresponds to the length of the rear cover plate, the length of the measuring tape corresponds to the length of the left cover plate, the thin measuring tape is convenient to fold, the area of the measuring tape is the same as or close to the bottom area of the protective cover, the process requirements can be met, and waste is avoided.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses when using, place this protection device earlier and treat the welding workpiece upper surface, then embolia the circle with MIG welder in. During welding, firstly introducing argon into the argon conveying pipe, and isolating the surface of a welding seam from air by inputting the argon in the protective cover, so that the welding seam is prevented from being oxidized at high temperature; meanwhile, the inert gas is continuously supplemented and polluted inert gas is replaced in the welding process, so that a good protection effect is achieved on the welding seam;
the inner cavity of the protective cover of the utility model does not need to move forwards along with the whole welding gun, thus avoiding the problems that the inner cavity of the protective cover is not protected properly due to large resistance when moving along with the whole welding gun and the welding seam is bluing;
the utility model discloses the effectual titanium alloy butt weld of having solved inhales hydrogen, oxygen uptake, the problem of inhaling nitrogen in welding process, the effectual welding seam that has protected, and the simple manufacture of safety cover, convenient to use, very big improvement welding production efficiency and welding quality.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of the present invention;
labeled as: 1-front shield plate, 2-rear shield plate, 3-left shield plate, 4-right shield plate, 5-first argon conveying pipe, 6-second argon conveying pipe, 7-third argon conveying pipe, 8-tape piece, 9-circular ring, 10-clamping groove, 11-fixing plate, 12-handle, 13-MIG welding gun, 14-workpiece and 15-welding line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, a titanium alloy butt welding device with metal inert gas protection comprises a protective cover formed by sequentially connecting a front cover plate 1, a left cover plate 3, a rear cover plate 2 and a right cover plate 4 end to end and a telescopic measuring tape sheet 8 arranged above the rear cover plate 2 through a fixing plate 11, wherein the left cover plate 3 and the right cover plate 4 are symmetrically arranged, the inner side top is horizontally provided with a clamping groove 10, the front end of the measuring tape sheet 8 is provided with a circular ring 9 used for installing an MIG welding gun 13, the two sides of the measuring tape sheet 8 are respectively in sliding connection with the clamping grooves 10 of the left cover plate 3 and the right cover plate 4, and the middle parts of the front cover plate 1, the left cover plate 3 and the rear cover plate 2 are respectively provided with an argon conveying pipe.
The utility model discloses a theory of operation does: the protective cover of the utility model is enclosed by a front cover plate 1, a rear cover plate 2, a left cover plate 3 and a right cover plate 4, and an argon conveying pipe is respectively arranged among the front cover plate 1, the rear cover plate 2 and the left cover plate 3; meanwhile, the upper ends of the left and right cover plates 4 are provided with clamping grooves 10, thin tape pieces 8 penetrate through the clamping grooves 10, the front sections of the tape pieces 8 are provided with circular rings 9, and MIG welding guns 13 are sleeved in the circular rings 9; meanwhile, a fixing plate 11 of the thin tape 8 is respectively arranged at the initial positions of the left and right cover plates 4, and a tape shaking handle 12 is arranged at the upper end of the fixing plate 11; when the titanium alloy is welded, the protection device is firstly arranged on the upper surface of a workpiece 14 to be welded, and then the MIG welding gun 13 is sleeved in the circular ring 9; then the first argon conveying pipe 5 is opened, air at the part to be welded is discharged, the upper part of a weldment is in a pure argon gas protection state, and during welding, the tape 8 moves forwards in the clamping groove 10 along with the MIG welding gun 13, so that the protective gas covers the welding line 15 in the protective cover to prevent the welding line 15 from contacting the air; when the welding gun passes through the middle position of the protective cover, the second argon conveying pipe 6 and the third argon conveying pipe 7 are opened, after the whole welding seam 15 is welded, the inner cavity of the protective cover is continuously ventilated for 30s, all the argon conveying pipes are closed, meanwhile, the MIG welding gun 13 is taken out from the circular ring 9, the tape measure sheet 8 is rolled up through the handle 12, and the welding operation is completed; the utility model isolates the surface of the welding seam 15 from the air by inputting the argon gas in the protective cover, thereby avoiding the oxidation of the welding seam 15 under high temperature; meanwhile, the inert gas is continuously supplemented and polluted inert gas is replaced in the welding process, and the welding seam 15 is well protected.
Example 2
On the basis of the embodiment 1, the upper end of the fixed plate 11 is provided with a rocking handle 12 for folding the measuring tape 8; after the whole welding seam 15 is welded, the inner cavity of the protective cover is continuously ventilated for 30s, all argon conveying pipes are closed, and meanwhile, after the MIG welding gun 13 is taken out from the circular ring 9, the tape measure sheet 8 is rolled up and folded through the handle 12, and the welding operation is completed.
Example 3
On the basis of the embodiment 1, the protective cover is a rectangular protective cover made of a red copper plate; the red copper plate has good mechanical property, good plasticity in hot state and good plasticity in cold state, good machinability, easy fiber welding and low price.
Example 4
On the basis of embodiment 1, 3 argon conveying pipes are arranged, namely a first argon conveying pipe 5, a second argon conveying pipe 6 and a third argon conveying pipe 7, wherein the first argon conveying pipe 5 penetrates through a rear cover plate 2 to be communicated with an inner cavity of a protective cover, the second argon conveying pipe 6 penetrates through a left cover plate 3 to be communicated with the inner cavity of the protective cover, the third argon conveying pipe 7 penetrates through a front cover plate 1 to be communicated with the inner cavity of the protective cover, and the 3 argon conveying pipes are controlled respectively; when the welding gun passes through the middle position of the protective cover, the second argon conveying pipe 6 and the third argon conveying pipe 7 are opened, so that the protective gas covers the welding line 15 in the protective cover, the contact between the surface of the welding line 15 and the air is avoided, the welding line 15 is prevented from being oxidized at high temperature, the forming effect of the welding line 15 is improved, and the welding quality of the welding line 15 is ensured.
Example 5
On the basis of the embodiment 1, the tape blade 8 is a thin tape blade 8 with the thickness of 0.1-1 mm, the width of the tape blade 8 corresponds to the length of the rear cover plate 2, the length of the tape blade 8 corresponds to the length of the left cover plate 3, the thin tape blade 8 is convenient to fold, the area of the tape blade 8 is the same as or close to the bottom area of the protective cover, the process requirements can be met, and waste is avoided.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a titanium alloy butt joint consumable electrode inert gas protects welding set, includes by front shroud (1), left side cover plate (3), rear shroud (2), right side cover plate (4) in proper order end to end the safety cover that encloses and installs scalable tape measure piece (8) in rear shroud (2) top through fixed plate (11), its characterized in that, left side cover plate (3) and right cover plate (4) symmetry set up, and the equal level in inboard top is provided with draw-in groove (10), the front end of tape measure piece (8) is provided with circular circle (9) that are used for installing MIG welder (13), the both sides of this tape measure piece (8) respectively with draw-in groove (10) sliding connection of left cover plate (3), right cover plate (4), the middle part of front shroud (1), left side cover plate (3), rear shroud (2) all is provided with the argon gas conveyer pipe.
2. The titanium alloy butt-jointed MIG welding device according to claim 1, wherein a rocking handle (12) for folding the measuring tape (8) is installed at the upper end of the fixing plate (11).
3. The apparatus of claim 1, wherein the shield is a rectangular shield made of copper plate.
4. The titanium alloy butt welding device with the molten pole inert gas protection as claimed in claim 1, wherein 3 argon conveying pipes are arranged, namely a first argon conveying pipe (5), a second argon conveying pipe (6) and a third argon conveying pipe (7), the first argon conveying pipe (5) penetrates through the rear cover plate (2) to be communicated with the inner cavity of the protective cover, the second argon conveying pipe (6) penetrates through the left cover plate (3) to be communicated with the inner cavity of the protective cover, and the third argon conveying pipe (7) penetrates through the front cover plate (1) to be communicated with the inner cavity of the protective cover.
5. The titanium alloy butt-welding and consumable electrode inert gas shielded welding device according to claim 1, characterized in that the measuring tape blade (8) is a thin measuring tape blade (8) with the thickness of 0.1-1 mm, the width of the measuring tape blade (8) corresponds to the length of the rear cover plate (2), and the length of the measuring tape blade (8) corresponds to the length of the left cover plate (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021447668.8U CN212443678U (en) | 2020-07-21 | 2020-07-21 | Titanium alloy butt fusion utmost point inert gas protection welding set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021447668.8U CN212443678U (en) | 2020-07-21 | 2020-07-21 | Titanium alloy butt fusion utmost point inert gas protection welding set |
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| CN212443678U true CN212443678U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872520A (en) * | 2020-07-21 | 2020-11-03 | 江麓机电集团有限公司 | Titanium alloy butt fusion electrode inert gas protection welding device and welding process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872520A (en) * | 2020-07-21 | 2020-11-03 | 江麓机电集团有限公司 | Titanium alloy butt fusion electrode inert gas protection welding device and welding process |
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