CN214815720U - One-side welding reversible deformation presetting device for ultra-narrow gap laser filler wire of titanium alloy thick plate - Google Patents
One-side welding reversible deformation presetting device for ultra-narrow gap laser filler wire of titanium alloy thick plate Download PDFInfo
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- CN214815720U CN214815720U CN202120583840.0U CN202120583840U CN214815720U CN 214815720 U CN214815720 U CN 214815720U CN 202120583840 U CN202120583840 U CN 202120583840U CN 214815720 U CN214815720 U CN 214815720U
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Abstract
The utility model provides a be used for super narrow clearance laser filler wire single face welding of titanium alloy thick plate to prevent deformation preset device, install two tracks on the device's welding test panel load-bearing platform, two loading platforms support on two tracks through a plurality of pneumatic cylinders, the slope and the groove root clearance of two loading platforms are adjusted along the rail motion to a plurality of pneumatic cylinders, install pneumatic cylinder and back of the body protection gas on the welding test panel load-bearing platform in proper order and drag the cover, treat the titanium alloy thick plate through the air clamper is fixed on every loading platform, treat for two and treat the titanium alloy thick plate and drag cover department at the back of the body protection gas and carry out butt welding. The utility model provides a how invent a thick plate titanium alloy ultra-narrow clearance laser filler wire single face welding predeformation preset device, reduce the postweld deformation, improve the problem of assembly precision, the utility model discloses according to data such as thickness, groove root clearance, bevel angle of titanium alloy material, carry out predeformation angle's presetting, offset the deformation shrink in the welding process to make the deformation control of postweld welded weld joint in assembly precision requirement scope.
Description
Technical Field
The utility model relates to a be used for super narrow clearance laser of titanium alloy thick plate to fill wire single face welding anti-deformation preset device belongs to welding process technical field, is applied to the welding of filling wire of the narrow clearance laser of big thickness titanium alloy board.
Background
The titanium alloy has the advantages of low density, high specific strength, excellent corrosion resistance, toughness and fatigue resistance and the like, and is widely applied to the fields of navy equipment and ship industry, for example, a pressure-resistant shell of a 'flood dragon and fighter' deep sea manned submersible vehicle is manufactured by the titanium alloy. Since the thick titanium alloy is difficult to manufacture and form, welding is a necessary processing means. Compared with the traditional welding technology, the ultra-narrow gap laser wire-filling welding tool has the advantages of small wire energy, high cooling speed, narrow heat affected zone, high welding efficiency and the like when a thick plate is welded, and is gradually applied to the fields of titanium alloy thick plates and the like.
The ultra-narrow gap laser wire filling welding process of the thick plate titanium alloy plate is the accumulation of single-pass multilayer filling metals, multiple thermal cycles in the multilayer welding process inevitably cause weld joint tissues to become extremely complex and have extremely uneven temperature fields, a welding joint also correspondingly generates unevenly distributed residual stress and larger welding deformation, and in addition, the titanium alloy has larger linear expansion coefficient and relatively lower thermal conductivity, so that the titanium alloy has the tendency of generating larger welding residual stress and deformation. The welding residual stress has very adverse effects on static load strength, low cycle fatigue strength, corrosion resistance and the like of the titanium alloy welding joint; welding deformation can influence the appearance of welded joint and take shape, reduce the bearing capacity of structure, still can reduce later stage welded component assembly precision. Therefore, developing the welding deformation presetting device for the thick plate titanium alloy ultra-narrow gap laser filler wire single-side welding reduces the deformation after welding, and improves the equipment precision, which is a very meaningful work.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a how to invent the welding deformation presetting device of thick plate titanium alloy ultra-narrow clearance laser filler wire single face welding in solving above-mentioned background art, reduce and weld back deformation, improve the technical problem of assembly precision, propose one kind and be used for the ultra-narrow clearance laser filler wire single face welding of titanium alloy thick plate to weld anti-deformation presetting device.
The utility model provides a be used for super narrow clearance laser filler wire single face welding anti-deformation of titanium alloy thick plate to preset device, drag cover, pneumatic cylinder, welding test panel load-bearing platform, two tracks and two loading platforms including a plurality of pneumatic fixtures, a plurality of pneumatic cylinders, back of the body protection gas, install two tracks on the welding test panel load-bearing platform, two loading platforms support on two tracks through a plurality of pneumatic cylinders, and the slope and the groove root clearance of two loading platforms are adjusted along the rail motion to a plurality of pneumatic cylinders, install pneumatic cylinder on the welding test panel load-bearing platform, install back of the body protection gas on the pneumatic cylinder and drag the cover, be fixed with through pneumatic fixture on every loading platform and treat the titanium alloy thick plate, treat two titanium alloy thick plates and drag cover department at the back of the body protection gas and carry out butt welding.
Preferably, a plurality of supporting bases are placed below the base.
Preferably, the support base is provided with 4.
Preferably, the support base is height-adjusted manually and is provided with a level gauge.
Preferably, the support base is circular with a diameter of 80-100 mm.
Preferably, a plurality of pneumatic cylinders include a pneumatic cylinder and No. two pneumatic cylinders, a pneumatic cylinder and No. two pneumatic cylinders respectively set up 6.
Preferably, the back protective gas dragging cover is provided with a plurality of small holes for protecting the high-temperature welding seams at the back of the two titanium alloy thick plates to be welded from being oxidized and nitrided by air.
Preferably, the apertures have a diameter of 1mm and a spacing of 3 mm.
Preferably, the back protection gas drags the cover both sides to be provided with the intake pipe, and argon gas bottle is all connected to two intake pipes.
Preferably, the pneumatic clamp is provided with 4 pneumatic clamps, two pneumatic clamps on one side, and the pneumatic clamps are used for fixing the titanium alloy thick plate to be welded.
A beneficial effect that is used for titanium alloy thick plate ultra-narrow clearance laser filler wire single face welding anti-deformation to preset the device does: the device can preset the anti-deformation angle according to the data of the thickness of the titanium alloy material, the gap of the root part of the groove, the angle of the groove and the like, and counteract the deformation shrinkage in the welding process, so that the deformation of the welded joint is controlled within the assembly precision requirement range.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In the drawings:
fig. 1 is a schematic structural diagram of a reversible deformation presetting device for ultra-narrow gap laser filler wire single-side welding of a titanium alloy thick plate according to the present invention;
FIG. 2 is a schematic structural view of a back protection air hood;
the device comprises a titanium alloy thick plate to be welded, a pneumatic clamp, a hydraulic cylinder, a first protective gas dragging cover, a second protective gas dragging cover, a pneumatic cylinder, a welding test plate bearing platform, a supporting base, a rail, a loading table, a second hydraulic cylinder and an air inlet pipe, wherein the titanium alloy thick plate to be welded is 1, the pneumatic clamp is 2, the first hydraulic cylinder is 3, the back protective gas dragging cover is 4, the pneumatic cylinder is 5, the welding test plate bearing platform is 6, the supporting base is 7, the rail is 8, the loading table is 9, the second hydraulic cylinder is 10, and the air inlet pipe is 11.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
the first embodiment is as follows: the present embodiment is explained with reference to fig. 1-2. The ultra-narrow gap laser wire filling single-side welding reversible deformation presetting device for the titanium alloy thick plate comprises a plurality of pneumatic fixtures 2, a plurality of hydraulic cylinders, a back shielding gas dragging cover 4, a pneumatic cylinder 5, a welding test plate bearing platform 6, a track 8 and two loading platforms 9, wherein the welding test plate bearing platform 6 is provided with the track 8, the two loading platforms 9 are supported on the track 8 through the hydraulic cylinders, the hydraulic cylinders move along the track 8 to adjust the gradient and the groove root gap of the two loading platforms 9, the welding test plate bearing platform 6 is provided with the pneumatic cylinder 5, the back shielding gas dragging cover 4 is arranged on the pneumatic cylinder 5, each loading platform 9 is fixedly provided with a titanium alloy thick plate 1 to be welded through the pneumatic fixture 2, and the two titanium alloy thick plates 1 to be welded are subjected to butt welding at the back shielding gas dragging cover 4.
As shown in fig. 1, the welding deformation presetting device for the ultra-narrow gap laser wire filling single-side welding of the titanium alloy thick plate has the following dimensions: 300 multiplied by 150 multiplied by 20mm, wherein the thickness is more than or equal to 20mm, and the titanium alloy thick plate 1 to be welded is adjusted up and down through 4 pneumatic clamps 2 and is fixed on a loading platform 9; no. 3 pneumatic cylinders and No. two pneumatic cylinders 10 are each 6, and a plurality of pneumatic cylinders stretch out and draw back from top to bottom in order to adjust the groove angle of treating welding titanium alloy thick plate 1, and a plurality of pneumatic cylinders lead to control system and control, and the top and the loading platform 9 of a pneumatic cylinder 3 and No. two pneumatic cylinders 10 are fixed, and the below links to each other with track 8 for angle regulation and groove root clearance, set up arc slide caliper rule between loading platform 9 and welding test panel load-bearing platform 6 for show the slope angle numerical value that loading platform 9 was raised. The structure of the two sides of the device is in mirror symmetry, and 180- (the measurement angle multiplied by 2) is the preset angle of the welding test plate.
The back protective gas dragging cover 4 is tightly connected with the two titanium alloy thick plates 1 to be welded and is used for protecting high-temperature welding seams at the backs of the two titanium alloy thick plates 1 to be welded from being oxidized and nitrided by air. The back protection gas drags the cover 4 to be provided with a plurality of apertures, the diameter of aperture is 1mm, and the interval is 3mm, and its effect is used for protecting back high temperature weld to not oxidized by the air and nitrogenize. The back protection gas drags cover 4 both sides to be provided with intake pipe 11, and argon gas bottle is all connected to two intake pipe 11, then gives vent to anger from the aperture.
The pneumatic cylinder 5 is used to adjust the height of the back cover gas drag cover 4.
The welding test plate bearing platform 6 is used for loading various mechanisms above.
A plurality of supporting bases 7 are placed below the welding test plate bearing platform 6 and can be used for adjusting the height, and transportation of a forklift device is facilitated. The height of the supporting base 7 can be manually adjusted finely, the supporting base is provided with a level meter, the diameter of the supporting base is 80mm, and the number of the supporting base is 4.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention may be made without departing from the scope of the present invention.
Claims (10)
1. The single-side welding reversible deformation presetting device for the ultra-narrow gap laser wire filling of the titanium alloy thick plate is characterized by comprising a plurality of pneumatic clamps (2), a plurality of hydraulic cylinders, a back protection gas dragging cover (4), pneumatic cylinders (5), a welding test plate bearing platform (6), two rails (8) and two loading tables (9), wherein the two rails (8) are installed on the welding test plate bearing platform (6), the two loading tables (9) are supported on the two rails (8) through the plurality of hydraulic cylinders, the plurality of hydraulic cylinders stretch up and down and move along the two rails (8) to adjust the gradient of the two loading tables (9) and the gap between the root part of a groove, the pneumatic cylinders (5) are installed on the welding test plate bearing platform (6), the back protection gas dragging cover (4) is installed on the pneumatic cylinders (5), each loading table (9) is fixedly provided with the titanium alloy thick plate (1) to be welded through the pneumatic clamps (2), the two titanium alloy thick plates (1) to be welded are in butt welding at the back shielding gas dragging cover (4), and the back shielding gas dragging cover (4) is tightly connected with the two titanium alloy thick plates (1) to be welded.
2. The ultra-narrow gap laser wire-filling one-side welding predeformation preset device for the titanium alloy thick plate according to claim 1, wherein a plurality of supporting bases (7) are placed below the welding test plate bearing platform (6).
3. The ultra-narrow gap laser wire-filling one-side welding predeformation preset device for the titanium alloy thick plate according to claim 2, wherein 4 supporting bases (7) are arranged.
4. The ultra-narrow gap laser wire-filling one-side welding predeformation preset device for the titanium alloy thick plate according to claim 2, wherein the supporting base (7) is manually adjusted in height in a fine mode and provided with a level gauge.
5. The ultra-narrow gap laser wire-filling one-side welding predeformation preset device for the titanium alloy thick plate according to claim 2, wherein the supporting base (7) is circular with a diameter of 80-100 mm.
6. The ultra-narrow gap laser wire-filling one-side welding reversible deformation presetting device for the titanium alloy thick plate according to claim 2 is characterized in that the plurality of hydraulic cylinders comprise a first hydraulic cylinder (3) and a second hydraulic cylinder (10), and 6 hydraulic cylinders are respectively arranged on the first hydraulic cylinder (3) and the second hydraulic cylinder (10).
7. The ultra-narrow gap laser wire-filling one-side welding reversible deformation presetting device for the titanium alloy thick plate according to claim 1 is characterized in that a plurality of small holes are formed in the back shielding gas dragging cover (4) and are used for protecting back high-temperature welding seams of two titanium alloy thick plates (1) to be welded from being oxidized and nitrided by air.
8. The pre-deformation device for the ultra-narrow gap laser wire filling one-side welding of the titanium alloy thick plate according to claim 7, wherein the diameter of the small holes is 1mm, and the distance between the small holes is 3 mm.
9. The ultra-narrow gap laser wire filling single-side welding predeformation presetting device for the titanium alloy thick plate according to claim 1 is characterized in that air inlet pipes (11) are arranged on two sides of the back shielding gas dragging cover (4), and the two air inlet pipes (11) are connected with an argon bottle.
10. The ultra-narrow gap laser wire-filling one-side welding predeformation preset device for the titanium alloy thick plate according to claim 1, wherein 4 pneumatic clamps (2) are arranged.
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| CN202120583840.0U CN214815720U (en) | 2021-03-23 | 2021-03-23 | One-side welding reversible deformation presetting device for ultra-narrow gap laser filler wire of titanium alloy thick plate |
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| CN202120583840.0U CN214815720U (en) | 2021-03-23 | 2021-03-23 | One-side welding reversible deformation presetting device for ultra-narrow gap laser filler wire of titanium alloy thick plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952003A (en) * | 2021-12-10 | 2022-08-30 | 西安交通大学 | Control method for forming quality of large-thick-plate narrow-gap laser filler wire welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952003A (en) * | 2021-12-10 | 2022-08-30 | 西安交通大学 | Control method for forming quality of large-thick-plate narrow-gap laser filler wire welding |
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