CN210306247U - Laser-arc hybrid welding protective gas hood - Google Patents
Laser-arc hybrid welding protective gas hood Download PDFInfo
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- CN210306247U CN210306247U CN201920252397.1U CN201920252397U CN210306247U CN 210306247 U CN210306247 U CN 210306247U CN 201920252397 U CN201920252397 U CN 201920252397U CN 210306247 U CN210306247 U CN 210306247U
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Abstract
The utility model discloses a laser arc hybrid welding protection gas hood, gas hood cavity 110, preceding bounding wall 120, suction nozzle 140 and installing support 150. The gas hood cavity 110 is provided with a groove 111, an inner cavity 112, a gas inlet 113 and a gas hood guide groove 114; a front wall guide groove 121 is formed in the front wall 120, and the front wall 120 is mounted on one side of the groove 111 through the front wall guide groove 121; the air inlet nozzle 140 is installed at one side of the air inlet 113; the mounting bracket 150 is mounted above the gas shield guide slot 114, the mounting bracket 150 being adapted to be connected to an arc welding gun.
Description
Technical Field
The utility model relates to the field of welding technique, more specifically the utility model relates to an in particular to laser arc hybrid welding protective gas cover that says so.
Background
The gas protection is an important influence factor of welding, and in the laser-arc hybrid welding process, the good gas blowing protection can effectively reduce welding spatter, ensure the stability of the welding process and improve the welding quality. In order to achieve a good protection effect, the welding seam oxidation caused by the fact that outside air is involved in a molten pool needs to be avoided, and meanwhile, the high-temperature welding seam needs to be protected in a delayed mode to prevent oxidation.
The laser-arc hybrid welding is a welding mode of combining laser and traditional electric arc, has the advantages of both laser and electric arc welding, can obtain better depth by the laser, has good gap and misalignment adaptability of the electric arc, has good welding adaptability, and is particularly applied to the field of welding thick plates and dissimilar materials. However, the composite welding mode has two heat sources, and the laser beam and the arc welding gun exist above the molten pool, so that the position and the angle between the two can be mutually restricted in order to meet the requirements of technological parameters, and therefore, the protection effect of the conventional arc welding gas hood is not ideal for workpieces with high requirements on the anti-oxidation of welding seams.
SUMMERY OF THE UTILITY MODEL
The utility model provides a laser arc hybrid welding protection gas cover has good guard action to laser arc hybrid welding seam.
The utility model provides a laser arc hybrid welding protective gas cover, include:
an air cowl cavity 110, a dash panel 120, a nozzle 140, and a mounting bracket 150.
The gas hood cavity 110 is provided with a groove 111, an inner cavity 112, a gas inlet 113 and a gas hood guide groove 114;
a front wall guide groove 121 is formed in the front wall 120, and the front wall 120 is mounted on one side of the groove 111 through the front wall guide groove 121;
the air inlet nozzle 140 is installed at one side of the air inlet 113;
the mounting bracket 150 is mounted above the gas shield guide slot 114, the mounting bracket 150 being adapted to be connected to an arc welding gun.
Optionally, the laser arc hybrid welding shielding gas hood further comprises: a copper filter 130;
the copper filter 130 is disposed within the interior cavity 112 of the gas shield cavity 110.
Optionally, the mounting bracket 150 comprises an upper clamping plate 151, a lower clamping plate 152 and a connecting rod 153;
the connection rod 153 is provided with a connection rod guide groove 1531.
Optionally, the connecting rod 153 in the mounting bracket 150 is mounted on the air hood guide groove 114 by a first screw;
when the first screw is loosened, the connecting rod 153 can move along the length direction of the air hood guide groove 114 to adjust the installation position;
when the first screw is loosened, the connection rod 153 may be rotated around the first screw to adjust the installation position.
Optionally, the copper filter 130 is a porous material sintered by copper particles, and the welding shielding gas introduced from the gas inlet 113 enters the inner cavity 112 and can be uniformly sprayed out of the copper filter 130.
Optionally, the dash panel 120 is fixed to the side of the intake port 113 by a second bolt;
when the second screw is loosened, the cowl 120 may be moved in the longitudinal direction of the cowl guide groove 121 to adjust the position of the apparatus.
Optionally, the lower clamping plate 152 is fixed on the connecting rod 153 by a third screw;
when the third screw is loosened, the lower clamping plate 152 can move along the length direction of the connecting rod guide groove 1531 to adjust the position of the device.
Compared with the prior art, the beneficial effects of the utility model reside in that:
in the utility model, the front enclosing plate 120 arranged at the front end of the gas hood cavity 110 can improve the sealing property of the front side of the molten pool, reduce the outside air involved, facilitate the discharge of the air by the internal welding shielding gas and improve the non-oxidation protection effect of the welding line; secondly, the whole protective gas hood is arranged on the arc welding gun neck through the mounting bracket 150, the structure is compact, and the occupied space is small; and thirdly, the groove 111 arranged on the protective gas cover enables the gas cover to be better attached to an electric arc welding gun, so that the gas cover can protect a molten pool and a welding seam in a short distance, and the welding seam is effectively prevented from being oxidized.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a shielding gas hood in an embodiment of the present invention;
fig. 2 is an exploded view of a shielding gas hood in an embodiment of the invention;
fig. 3 is a schematic view of a gas hood cavity structure of a protective gas hood according to an embodiment of the present invention;
fig. 4 is an application and installation schematic diagram of the protective gas hood in the embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, the present invention provides a laser-arc hybrid welding shielding gas hood, which includes a gas hood cavity 110, a front panel 120, a gas inlet nozzle 140 and a mounting bracket 150.
Referring to fig. 3, a groove 111, an inner cavity 112, an air inlet 113 and an air hood guide groove 114 are formed on the air hood cavity 110; specifically, the groove 111 and the air inlet 113 are respectively disposed at two opposite ends of the air hood cavity 110;
a front wall guide groove 121 is formed in the front wall 120, and the front wall 120 is mounted on one side of the groove 111 through the front wall guide groove 121;
the air inlet nozzle 140 is installed at one side of the air inlet 113;
the mounting bracket 150 is mounted above the gas shield guide slot 114, the mounting bracket 150 being adapted to be connected to an arc welding gun.
In the utility model, the front enclosing plate 120 arranged at the front end of the gas hood cavity 110 can improve the sealing property of the front side of the molten pool, reduce the outside air involved, facilitate the discharge of the air by the internal welding shielding gas and improve the non-oxidation protection effect of the welding line; secondly, the whole protective gas hood is arranged on the arc welding gun neck through the mounting bracket 150, the structure is compact, and the occupied space is small; and thirdly, the groove 111 arranged on the protective gas cover enables the gas cover to be better attached to an electric arc welding gun, so that the gas cover can protect a molten pool and a welding seam in a short distance, and the welding seam is effectively prevented from being oxidized.
Further, referring to fig. 2, the laser arc hybrid welding shielding gas hood further includes: a copper filter 130; the copper filter 130 is disposed within the interior cavity 112 of the gas shield cavity 110. The copper filter sheet 130 is a porous material sintered by copper particles, and after welding shielding gas introduced from the gas inlet 113 enters the inner cavity 112, the welding shielding gas can be uniformly sprayed out of the copper filter sheet 130, so that the gas flow is stable.
Further, referring to fig. 2, the mounting bracket 150 includes an upper clamping plate 151, a lower clamping plate 152, and a connecting rod 153. Wherein, the upper clamping plate 151 and the lower clamping plate 152 are respectively arranged at the front side and the rear side of the arc welding gun neck, and are locked and fixed by screws after being adjusted to a proper height; the lower clamping plate 152 is fixed on the connecting rod 153 by a third screw; when the third screw is loosened, the lower clamping plate 152 can move along the length direction of the connecting rod guide groove 1531 to adjust the position of the device. The connecting rod 153 can slide up and down along the connecting rod guide slot 1531 to adjust the height of the air mask cavity 110 installed below. In a preferred embodiment of the present invention, the length of the guide groove 1531 is 40 mm.
Furthermore, the air hood cavity 110 is provided with a groove 111, an inner cavity 112, an air inlet 113 and an air hood guide groove 114. The groove 111 is arranged at the front end of the gas hood cavity 110, can surround the arc welding gun neck at the rear side and the left side and the right side, increases the fit degree between the gas hood and the arc welding gun, can ensure better emptying effect of welding protection gas at the position of a molten pool, and avoids the oxidation of a welding seam, and in a preferred embodiment of the utility model, the length of the groove 111 is 20mm, and the width is 20 mm; the inner cavity 112 end should have a proper area for copper filter installation, too small area is not beneficial to weld seam delay protection, and too large area is inconvenient for application, in a preferred embodiment of the utility model, the length of the inner cavity 112 is 120mm, and the width is 70 mm; the gas hood guide way 114 sets up in gas hood cavity 110 top, installs in the screw hole department of connecting rod 153 lower extreme during the application, locks through the screw, and after suitably loosening the screw, the gas hood cavity can be followed the screw back-and-forth movement and carried out position control, still can carry out angle modulation around the screw rotation from top to bottom the utility model discloses a preferred embodiment, the length of gas hood guide way 114 is 40 mm.
Further, the dash panel 120 is fixed to the intake port 113 side by a second bolt; when the second screw is loosened, the dash panel 120 can move along the length direction of the dash panel guide groove 121, the position of the device is adjusted, the space closure of the front side of the molten pool is increased, the air discharge is facilitated, and the welding seam protection effect is improved. In a preferred embodiment of the present invention, the height of the dash panel 120 is 30mm, and the length of the dash panel guide groove 121 is 40 mm.
In the above, the inlet nozzle 140 is mounted on the inlet port 113, and welding shielding gas is introduced during welding.
Specifically, the utility model discloses a theory of operation as follows:
referring to fig. 4, a schematic diagram of an installation and application of the present invention is shown, including the shielding gas cover 100, the laser beam 200 and the arc welding gun 300. The mounting bracket 150 is mounted on the neck of the arc welding gun 300 in advance, and is locked and fixed after adjusting the position thereof, and then the shield body is mounted on the lower end of the bracket and is adjusted in position through the guide grooves. After the installation is accomplished, laser beam 200 is located electric arc welder 300 front side, and the welding weld pool stack that both formed is in the same place, all is located protection gas hood 100 front end lower part, and the outside then is surrounded by preceding bounding wall 120, for reaching comparatively good protection effect, the distance between terminal surface and the work piece face can set up to 5 ~ 10mm under the protection gas hood 100, lets in welding protective gas through gas port mouth 140 during the welding and carries out the welding seam protection.
It should be noted that, for the sake of simplicity, the above-mentioned embodiments of the method are described as a series of combinations of actions, but it should be understood by those skilled in the art that the present invention is not limited by the described order of actions, because some steps can be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the above embodiments, the description of each embodiment has an emphasis, and the parts of a certain embodiment that are not described in detail can be referred to the relevant description of other embodiments, and meanwhile, the above serial numbers of the embodiments of the present invention are only for description, and do not represent the merits of the embodiments, and those skilled in the art can make many forms without departing from the spirit and the scope of the claims of the present invention, and these forms are all within the protection of the present invention.
Claims (7)
1. A laser-arc hybrid welding shielding gas shield, comprising:
the air hood comprises an air hood cavity (110), a front wall plate (120), an air inlet nozzle (140) and a mounting bracket (150);
the air hood cavity (110) is provided with a groove (111), an inner cavity (112), an air inlet (113) and an air hood guide groove (114);
a front wall guide groove (121) is formed in the front wall (120), and the front wall (120) is installed on one side of the groove (111) through the front wall guide groove (121);
the air inlet nozzle (140) is arranged on one side of the air inlet (113);
the mounting bracket (150) is mounted above the gas shield guide slot (114), the mounting bracket (150) being for connection to an arc welding gun.
2. The laser arc hybrid welding shielding gas shield of claim 1,
the laser arc hybrid welding protective gas hood further comprises: a copper filter sheet (130);
the copper filter sheet (130) is arranged in the inner cavity (112) of the gas hood cavity (110).
3. The laser arc hybrid welding shielding gas shield of claim 1,
the mounting bracket (150) comprises an upper clamping plate (151), a lower clamping plate (152) and a connecting rod (153);
and a connecting rod guide groove (1531) is arranged on the connecting rod (153).
4. The laser arc hybrid welding shielding gas hood according to claim 3,
a connecting rod (153) in the mounting bracket (150) is mounted on the air hood guide groove (114) through a first screw;
when the first screw is loosened, the connecting rod (153) can move along the length direction of the air hood guide groove (114) to adjust the installation position;
when the first screw is loosened, the connecting rod (153) can rotate around the direction of the first screw to adjust the installation position.
5. The laser arc hybrid welding shielding gas hood according to claim 2,
the copper filter disc (130) is made of porous materials sintered by copper particles, and welding protective gas introduced from the gas inlet (113) can be uniformly sprayed out of the copper filter disc (130) after entering the inner cavity (112).
6. The laser arc hybrid welding shielding gas shield of claim 1,
the front wall plate (120) is fixed on one side of the air inlet (113) through a second screw;
when the second screw is loosened, the dash panel (120) can move along the length direction of the dash panel guide groove (121), and the position of the device is adjusted.
7. The laser arc hybrid welding shielding gas shield of claim 3,
the lower clamping plate (152) is fixed on the connecting rod (153) through a third screw;
when the third screw is loosened, the lower clamping plate (152) can move along the length direction of the connecting rod guide groove (1531) to adjust the position of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252397.1U CN210306247U (en) | 2019-02-27 | 2019-02-27 | Laser-arc hybrid welding protective gas hood |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252397.1U CN210306247U (en) | 2019-02-27 | 2019-02-27 | Laser-arc hybrid welding protective gas hood |
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| CN210306247U true CN210306247U (en) | 2020-04-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843197A (en) * | 2020-06-29 | 2020-10-30 | 沈阳富创精密设备有限公司 | Laser welding side-blown gas protection device |
| CN113732507A (en) * | 2021-09-14 | 2021-12-03 | 哈尔滨工业大学（威海） | Laser-arc hybrid welding protective gas blowing device for removing laser plasma |
| CN113977118A (en) * | 2021-12-01 | 2022-01-28 | 北京北方车辆集团有限公司 | Welding gas protection dragging cover of titanium alloy laser-arc hybrid welding 45-degree welding gun |
| CN114147349A (en) * | 2021-11-17 | 2022-03-08 | 渤海造船厂集团有限公司 | Narrow-gap laser-TIG (tungsten inert gas) hybrid welding gas protection device and method |
-
2019
- 2019-02-27 CN CN201920252397.1U patent/CN210306247U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843197A (en) * | 2020-06-29 | 2020-10-30 | 沈阳富创精密设备有限公司 | Laser welding side-blown gas protection device |
| CN113732507A (en) * | 2021-09-14 | 2021-12-03 | 哈尔滨工业大学（威海） | Laser-arc hybrid welding protective gas blowing device for removing laser plasma |
| CN114147349A (en) * | 2021-11-17 | 2022-03-08 | 渤海造船厂集团有限公司 | Narrow-gap laser-TIG (tungsten inert gas) hybrid welding gas protection device and method |
| CN114147349B (en) * | 2021-11-17 | 2024-02-20 | 渤海造船厂集团有限公司 | Narrow-gap laser-TIG (tungsten inert gas) composite welding gas protection device and method |
| CN113977118A (en) * | 2021-12-01 | 2022-01-28 | 北京北方车辆集团有限公司 | Welding gas protection dragging cover of titanium alloy laser-arc hybrid welding 45-degree welding gun |
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