CN213888611U - Argon arc welding gas protection tool for thin-wall sheet metal part - Google Patents
Argon arc welding gas protection tool for thin-wall sheet metal part Download PDFInfo
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- CN213888611U CN213888611U CN202022381013.1U CN202022381013U CN213888611U CN 213888611 U CN213888611 U CN 213888611U CN 202022381013 U CN202022381013 U CN 202022381013U CN 213888611 U CN213888611 U CN 213888611U
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- inlet pipe
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Abstract
The utility model belongs to the technical field of precision finishing, and discloses a gas protection tool for argon arc welding of thin-wall sheet metal parts, which comprises a sealing box and an air inlet pipe, wherein the top surface of the sealing box is open, and one side of the sealing box is also provided with an air inlet; one end of the air inlet pipe is open, the other end of the air inlet pipe is sealed, the air inlet pipe extends into the sealing box from the sealed end through the air inlet, and a plurality of vent holes are uniformly distributed on the pipe body in the sealing box; a plurality of layers of breathable fillers are arranged in the sealing box. In the operation process of argon arc welding, arrange the thin wall sheet metal component in the uncovered of seal box, let in protective gas from the open end of intake pipe, because the other end is sealed, so protective gas looses from the vent, and is more even behind the filler to prevent that the welding seam from being by the oxidation, even the back is by oxidation blackening, and then improve welding quality. The utility model discloses simple structure, simple to operate is swift, and the protection effect is reliable.
Description
Technical Field
The utility model belongs to the technical field of the precision finishing, a thin wall sheet metal component argon arc welds gas protection frock is related to.
Background
Argon arc welding is also called argon gas shielded welding, which is a welding technology using argon gas as shielding gas, namely, the argon gas is used for protecting metal welding materials, the welding materials are melted into liquid on a welded base material through high current to form a molten pool, so that the welded metal and the welding materials are metallurgically combined.
The gas protection frock is indispensable among the argon arc welding operation process, but the gas protection frock among the prior art appears the argon protection easily inadequately, welding quality unstability scheduling problem. Therefore, it is very necessary to provide a gas protection tool which can fully protect argon and improve welding quality.
Disclosure of Invention
The utility model provides a problem lie in providing a thin wall sheet metal component argon arc welds gas protection frock for the gas protection frock of solving among the prior art appears the argon protection easily inadequately, welding quality unstability scheduling problem.
The utility model discloses a realize through following technical scheme:
a gas protection tool for argon arc welding of thin-wall sheet metal parts comprises a sealing box and an air inlet pipe, wherein the top surface of the sealing box is open, and an air inlet is formed in one side of the sealing box; one end of the air inlet pipe is open, the other end of the air inlet pipe is sealed, the air inlet pipe extends into the sealing box from the sealed end through the air inlet, and a plurality of vent holes are uniformly distributed on the pipe body in the sealing box; a plurality of layers of breathable fillers are arranged in the sealing box.
And a filter screen is arranged on the opening of the sealing box.
The filter screen is double-deck, just the cross-section of filter screen is the arc.
The sealed end of the air inlet pipe is abutted against the other side of the sealing box.
The fillers comprise a first filler and a second filler, and the first filler and the second filler are arranged in the sealing box in a manner of being sequentially stacked from top to bottom; the filling density of the first filler is smaller than that of the second filler.
The air inlet is arranged at the lower part of the sealing box; the air inlet pipe penetrates through the second filler.
The first filler is metal crimping chips, and the second filler is metal fine chips.
The pipe diameter of the air inlet pipe is matched with the air inlet.
And a sealing element is arranged between the outer pipe wall of the air inlet pipe and the air inlet.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a gas protection tool for argon arc welding of thin-wall sheet metal parts, which comprises a sealing box and an air inlet pipe, wherein one side of the sealing box is also provided with an air inlet, the air inlet pipe passes through the air inlet from a sealing end and extends into the sealing box, and protective gas (such as argon) is introduced into the sealing box through the air inlet pipe, wherein the top surface of the sealing box is open; one end of the air inlet pipe is open, the other end of the air inlet pipe is sealed, and a plurality of vent holes are uniformly distributed on the pipe body; and fillers are arranged in the sealing box and outside the air inlet pipe. In the operation process of argon arc welding, arrange the thin wall sheet metal component in the uncovered of seal box, let in protective gas from the open end of intake pipe, because the other end is sealed, so protective gas looses from the vent, and is more even behind the filler to prevent that the welding seam from being by the oxidation, even the back is by oxidation blackening, and then improve welding quality. The utility model discloses simple structure, simple to operate is swift, and the protection effect is reliable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
in the figure, 1-sealing box, 2-air inlet pipe, 3-filter screen, 4-first filler, 5-second filler and 6-sealing element.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a gas protection tool for argon arc welding of thin-wall sheet metal parts, which is shown in figure 1 and comprises a sealing box 1 and an air inlet pipe 2, wherein the top surface of the sealing box 1 is open, and one side of the sealing box 1 is also provided with an air inlet; one end of the air inlet pipe 2 is open, the other end of the air inlet pipe is sealed, the air inlet pipe 2 extends into the sealing box 1 from the sealed end through the air inlet, and a plurality of vent holes are uniformly distributed on a pipe body positioned in the sealing box 1; a plurality of layers of breathable fillers are arranged in the sealing box 1.
The utility model provides a gas protection tool for argon arc welding of thin-wall sheet metal parts, which comprises a sealing box 1 and an air inlet pipe 2, wherein one side of the sealing box 1 is also provided with an air inlet, the air inlet pipe 2 extends into the sealing box 1 from a sealing end through the air inlet, and protective gas, such as argon, is introduced into the sealing box 1 through the air inlet pipe 2, wherein the top surface of the sealing box 1 is open; one end of the air inlet pipe 2 is open, the other end of the air inlet pipe is sealed, and a plurality of vent holes are uniformly distributed on a pipe body in the sealing box 1; and fillers are arranged in the sealing box 1 and outside the air inlet pipe 2. In the operation process of argon arc welding, place the thin wall sheet metal component in on the uncovered of seal box 1, let in protective gas from the open end of intake pipe 2, because the other end is sealed, so protective gas looses from the vent, and is more even behind the filler to prevent that the welding seam from being by the oxidation, even the back is by oxidation blackening, and then improve welding quality. The utility model discloses simple structure, simple to operate is swift, and the protection effect is reliable.
In order to further homogenize the shielding gas, a filter screen 3 is further disposed on the opening of the sealing box 1.
Preferably, the screen 3 is double-layered. In order to facilitate the operation and avoid scalding the filter screen 3 during the operation, the cross-section of the filter screen 3 is arc-shaped.
More preferably, the sealed end of the air inlet pipe 2 abuts against the other side of the sealed box 1, so that the pipe body of the air inlet pipe 2 along the length direction extends into the sealed box 1 as much as possible, thereby accommodating more pipe bodies in the sealed box 1, increasing the number of the vent holes on the pipe body correspondingly, and improving the uniformity of the protective gas when the protective gas comes out from the vent pipe.
The fillers comprise a first filler 4 and a second filler 5, and the first filler 4 and the second filler 5 are sequentially stacked from top to bottom in the sealing box 1; the packing density of the first filler 4 is smaller than that of the second filler 5. Wherein the first filler 4 is metal crimping chips, and the second filler 5 is metal fine chips. The purpose of having a lower density of the first filler 4 above is to facilitate the flow of the shielding gas out into sufficient contact with the welding surface.
The air inlet is arranged at the lower part of the sealing box 1, so that the protective gas emitted from the air inlet pipe 2 passes through a filler with a larger height; the air inlet pipe 2 is arranged in the second filler 5 in a penetrating mode. The second filler 5 having a higher density can effectively carry the weight of the air inlet tube 2.
In order to maintain a good sealing state between the seal box 1 and the air inlet pipe 2. In an embodiment, the pipe diameter of the air inlet pipe 2 is matched with the air inlet, and the embodiment has a compact structure, does not generate redundant parts, but has strict requirements on machining precision.
In another embodiment, a sealing 6 is arranged between the outer tube wall of the inlet tube 2 and the inlet opening. Although this embodiment increases the cost, the sealing effect is good and the requirement for the machining accuracy is low.
The utility model provides a pair of thin wall sheet metal component argon arc welds gas protection frock's work flow as follows: protective gas gets into by intake pipe 2, through intake pipe 2 go up the air vent and get into seal box 1 in, two-layer filler in seal box 1 is passed through in proper order to the in-process that upwards dispels: the protective gas is uniformly diffused by the metal fine scraps of the second filler 5 and the metal curled scraps of the first filler 4; and finally, the water uniformly flows out to the welding seam to be welded through the filter screen 3. Therefore, the thin-wall sheet metal part can be fully protected by the protective gas in the welding process, the welding seam is not easy to oxidize, the defects of back oxidation, root depression and the like of the welding seam are effectively avoided, the welding quality of the part is ensured, the waste of the protective gas and reworking and scrapping caused by unqualified welding quality are reduced, the production cost is effectively reduced, and the production efficiency is improved.
Found in the practical application process, the utility model provides a pair of thin wall sheet metal component argon arc welds gas protection frock can effectively improve production efficiency. For example, the tool is applied to the welding work of the inner barrel and the outer barrel of a certain type of engine, the success rate of one-time welding cross inspection is improved from 50% to more than 95% after the tool is used, and the tool cost is effectively reduced because the tool is simple in structure. In addition, according to the use needs of parts with different dimensions, the tool can change the adaptive dimensions so as to achieve the effect of protecting the welding seam, and has wide application prospect.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (9)
1. The gas protection tool for argon arc welding of the thin-wall sheet metal part is characterized by comprising a sealing box (1) and an air inlet pipe (2), wherein the top surface of the sealing box (1) is open, and one side of the sealing box (1) is also provided with an air inlet; one end of the air inlet pipe (2) is open, the other end of the air inlet pipe is sealed, the air inlet pipe (2) extends into the sealing box (1) from the sealed end through the air inlet, and a plurality of vent holes are uniformly distributed on a pipe body positioned in the sealing box (1); a plurality of layers of breathable fillers are arranged in the sealing box (1).
2. The argon arc welding gas protection tool for the thin-wall sheet metal part according to claim 1, wherein a filter screen (3) is further arranged on an opening of the sealing box (1).
3. The argon arc welding gas protection tool for the thin-wall sheet metal part as claimed in claim 2, wherein the filter screen (3) is double-layer, and the cross section of the filter screen (3) is arc-shaped.
4. The argon arc welding gas protection tool for the thin-wall sheet metal part as claimed in claim 1, wherein the sealing end of the air inlet pipe (2) abuts against the other side of the sealing box (1).
5. The argon arc welding gas protection tool for the thin-wall sheet metal part according to claim 1, wherein the fillers comprise a first filler (4) and a second filler (5), and the first filler (4) and the second filler (5) are sequentially arranged in the sealing box (1) in a stacking manner from top to bottom; the first filler (4) has a packing density that is less than the packing density of the second filler (5).
6. The argon arc welding gas protection tool for the thin-wall sheet metal part according to claim 5, wherein the gas inlet is arranged at the lower part of the sealing box (1); the air inlet pipe (2) is arranged in the second filler (5) in a penetrating mode.
7. The argon arc welding gas protection tool for the thin-wall sheet metal part as claimed in claim 5 or 6, wherein the first filler (4) is metal crimping chips, and the second filler (5) is metal fine chips.
8. The argon arc welding gas protection tool for the thin-wall sheet metal part as claimed in claim 1, wherein the pipe diameter of the air inlet pipe (2) is matched with the air inlet.
9. The gas protection tool for argon arc welding of the thin-wall sheet metal part as claimed in claim 1, wherein a sealing member (6) is arranged between the outer pipe wall of the air inlet pipe (2) and the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381013.1U CN213888611U (en) | 2020-10-23 | 2020-10-23 | Argon arc welding gas protection tool for thin-wall sheet metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381013.1U CN213888611U (en) | 2020-10-23 | 2020-10-23 | Argon arc welding gas protection tool for thin-wall sheet metal part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213888611U true CN213888611U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022381013.1U Active CN213888611U (en) | 2020-10-23 | 2020-10-23 | Argon arc welding gas protection tool for thin-wall sheet metal part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213888611U (en) |
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2020
- 2020-10-23 CN CN202022381013.1U patent/CN213888611U/en active Active
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