CN217859329U - Air knife for welding - Google Patents
Air knife for welding Download PDFInfo
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- CN217859329U CN217859329U CN202221325518.9U CN202221325518U CN217859329U CN 217859329 U CN217859329 U CN 217859329U CN 202221325518 U CN202221325518 U CN 202221325518U CN 217859329 U CN217859329 U CN 217859329U
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Abstract
The utility model discloses an air knife for welding, including the air knife casing, the upper portion of air knife casing is equipped with and is used for installing the mounting panel on the machine with the air knife, the inside of air knife casing is equipped with the air inlet chamber, the side is equipped with the air intake that switches on with the air inlet chamber about the air knife casing, the bottom of air knife casing is equipped with the air outlet that switches on with the air inlet chamber and be used for the air-out, the lower part of air knife casing still is equipped with and switches on and the air supply blows off the air-out gap that forms the air wall with the air inlet chamber, the lower part of air knife casing is equipped with the air-out gap that switches on with the air inlet chamber, thereby can blow off the air current and then form the smog that the air wall produced when blockking the welding and reduce the pollution of protection lens through the air-out gap, reduce the change frequency of protection lens, practice thrift the cost.
Description
Technical Field
The utility model relates to the field of welding technique, especially, relate to an air knife is used in welding.
Background
When a laser welding machine is used for welding, in order to protect a weld bead molten pool, reduce oxidation of a welding position and reduce splashing generated in a welding process, an air knife is generally used for blowing inert gas towards the welding position so as to protect the weld bead, but the air knife of the existing laser welding is generally coaxial blowing, namely an air inlet and an air outlet are on the same axis, air flow of the coaxial blowing is too concentrated, the weld bead is easily uneven in the welding process, meanwhile, in the welding process, smoke generated by welding easily pollutes a protective lens, the protective lens needs to be frequently replaced, the production cost is increased, and an effective method for solving the problems does not exist at present.
The utility model discloses just make based on above-mentioned condition.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides an air knife for welding, thereby this air knife can avoid the air current that blows off to too concentrate the protection welding bead, thereby can blow off simultaneously and form the smog that the air wall produced when blockking the welding and reduce the pollution of protection lens.
The utility model discloses a realize through following technical scheme:
the air knife for welding comprises an air knife shell, wherein a mounting plate used for mounting the air knife on a machine is arranged on the upper portion of the air knife shell, an air inlet cavity is formed in the air knife shell, air inlets communicated with the air inlet cavity are formed in the left side and the right side of the air knife shell, an air outlet communicated with the air inlet cavity and used for air outlet is formed in the bottom of the air knife shell, and an air outlet gap communicated with the air inlet cavity and used for air supply and blowing out to form an air wall is further formed in the lower portion of the air knife shell.
According to the air knife for welding, the air outlet gaps are formed in the left side and the right side of the air knife shell, and the air outlet gaps are long.
According to the air knife for welding, the air outlet gap is also formed in the rear side of the air knife shell and connected with the air outlet gaps in the left side and the right side of the air knife shell.
According to the air knife for welding, the mounting opening or the second air inlet is formed in the front side of the air knife shell.
According to the air knife for welding, the air inlet is inclined downwards, and the inner side of the air inlet is lower than the outer side.
According to the air knife for welding, the mounting plate is provided with a plurality of arc-shaped notches for mounting.
According to the air knife for welding, the avoidance groove which provides a space for screwing the fastener is arranged below the arc notch.
An air knife for welding as above, said air knife is made of anti-reflection material or is coated with anti-reflection coating in the air knife.
Compared with the prior art, the utility model discloses there is following advantage:
1. the lower part of the air knife shell is provided with an air outlet gap communicated with the air inlet cavity, air flow can be blown out through the air outlet gap, and then an air wall is formed to block smoke generated during welding, so that pollution of the protective lens is reduced, the replacement frequency of the protective lens is reduced, and the cost is saved.
2. This air knife is from the side air inlet for air intake and air outlet are not on an axis, have avoided the too concentrated problem of air current, protect the welding bead, guarantee the even of welding bead.
3. The air inlet of the air knife inclines downwards, and the inner side of the air inlet is lower than the outer side of the air inlet, so that air flow is blown out from the air outlet easily, and meanwhile, the generation of gas turbulence can be reduced.
4. Be equipped with a plurality of arc breachs that are used for the installation on the mounting panel, the fastener can get into the arc breach from the side, and the convenience is installed the air knife.
5. The lower side of the arc-shaped notch is provided with a dodging groove for providing space for screwing in the fastener, so that the fastener is convenient to screw.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of the mechanism of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a top view of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1 to 4, the welding air knife includes an air knife housing 1, a mounting plate 2 for mounting the air knife on a machine 10 is disposed on an upper portion of the air knife housing 1, an air inlet chamber 3 is disposed inside the air knife housing 1, air inlets 4 communicated with the air inlet chamber 3 are disposed on left and right sides of the air knife housing 1, an air outlet 5 communicated with the air inlet chamber 3 and used for air outlet is disposed at a bottom of the air knife housing 1, and an air outlet gap 6 communicated with the air inlet chamber 3 and used for air supply and blowing out to form an air wall is further disposed on a lower portion of the air knife housing 1.
The lower part of the air knife shell 1 is provided with an air outlet gap 6 communicated with the air inlet cavity 3, air flow can be blown out through the air outlet gap 6, and then an air wall is formed to block smoke generated during welding, so that pollution of the protective lens is reduced, the replacement frequency of the protective lens is reduced, and the cost is saved. The air current can be through getting into from air intake 4 to from the side air inlet, make air intake 4 not on an axis with air outlet 5, avoided the too concentrated problem of air current, can protect the welding bead, guarantee the even of welding bead, improve the precision and the processingquality of processing.
The left and right sides of air knife casing 1 is equipped with air-out gap 6, air-out gap 6 is rectangular form, and the rear side of air knife casing 1 also is equipped with air-out gap 6, air-out gap 6 links to each other with the air-out gap 6 of the left and right sides of air knife casing 1 to thereby make air knife casing 1 can blow out the air current from the left and right sides and rear side and form the air wall thereby stop the smog that produces and the welding slag that splashes when welding.
The upper and lower side walls of the air outlet gap 6 at the rear side of the air knife shell 1 are provided with arc surfaces 61, and the arc surfaces 61 can play a certain guiding role on the air flow, so that an inclined downward air wall is formed at the rear side of the air knife.
In an embodiment, the installing port 7 or the second air inlet that the front side of air knife casing 1 was equipped with, when the front side of air knife casing 1 was equipped with installing port 7, can pack the switching-over valve into the air knife from installing port 7, can insert the intake pipe that is connected with the inert gas machine of making from installing port 7, and then horizontal air inlet, when the front side of air knife casing 1 was equipped with the second air inlet, can directly follow the second air inlet, thereby also can insert the intake pipe that is connected with the inert gas machine of making from the air intake 3 access of the left and right sides and longitudinally enter the air.
In another embodiment, when the reversing valve is not required to be installed, a baffle plate can be bonded or welded at the installation opening 7 to block the installation opening 7, so that the air flow is prevented from being sprayed out of the installation opening 7.
The air inlet 4 inclines downwards, and the inner side of the air inlet 4 is lower than the outer side, so that air flow is easy to blow out from the air outlet 5, and meanwhile, the generation of gas turbulence can be reduced.
Be equipped with a plurality of arc breachs 8 that are used for the installation on the mounting panel 2, the below of arc breach 8 is equipped with dodges groove 9 for twisting the fastener provides the space, and the fastener can get into arc breach 8 from the side, conveniently installs the air knife, dodges groove 9 simultaneously and provides the space for screwing up the fastener, conveniently screws up the fastener, the fastener can be the bolt.
The air knife is made of an anti-reflection material or the interior of the air knife is coated with an anti-reflection coating, so that the reflection of laser is reduced, the damage of devices caused by eccentricity during laser output is avoided, and the service life of the air knife is prolonged.
Claims (8)
1. The utility model provides a wind sword is used in welding which characterized in that: including air knife casing (1), the upper portion of air knife casing (1) is equipped with mounting panel (2) that are used for installing the air knife on the machine, and the inside of air knife casing (1) is equipped with air inlet chamber (3), and the side is equipped with air intake (4) that switch on with air inlet chamber (3) about air knife casing (1), and the bottom of air knife casing (1) is equipped with and switches on and be used for air-out air outlet (5) with air inlet chamber (3), and the lower part of air knife casing (1) still is equipped with switches on and supplies the air with air inlet chamber (3) to blow out air outlet gap (6) that form the air wall.
2. The air knife for welding according to claim 1, characterized in that: air outlet gaps (6) are formed in the left side and the right side of the air knife shell (1), and the air outlet gaps (6) are long-strip-shaped.
3. The air knife for welding according to claim 2, characterized in that: the rear side of the air knife shell (1) is also provided with an air outlet gap (6), and the air outlet gap (6) is connected with the air outlet gaps (6) on the left side and the right side of the air knife shell (1).
4. The air knife for welding according to claim 3, characterized in that: the front side of the air knife shell (1) is provided with a mounting opening (7) or a second air inlet.
5. The air knife for welding according to claim 1, characterized in that: the air inlet (4) is inclined downwards, and the inner side of the air inlet (4) is lower than the outer side.
6. The air knife for welding according to claim 1, characterized in that: and a plurality of arc-shaped notches (8) for installation are arranged on the installation plate (2).
7. The air knife for welding according to claim 6, characterized in that: an avoidance groove (9) which provides space for screwing in the fastening piece is arranged below the arc-shaped notch (8).
8. The air knife for welding according to claim 1, characterized in that: the air knife is made of anti-reflection materials or anti-reflection coatings are coated in the air knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325518.9U CN217859329U (en) | 2022-05-27 | 2022-05-27 | Air knife for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325518.9U CN217859329U (en) | 2022-05-27 | 2022-05-27 | Air knife for welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217859329U true CN217859329U (en) | 2022-11-22 |
Family
ID=84092516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221325518.9U Active CN217859329U (en) | 2022-05-27 | 2022-05-27 | Air knife for welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217859329U (en) |
-
2022
- 2022-05-27 CN CN202221325518.9U patent/CN217859329U/en active Active
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