CN207534158U - A kind of gas curtain head and air curtain device for high anti-material welding protection - Google Patents
A kind of gas curtain head and air curtain device for high anti-material welding protection Download PDFInfo
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- CN207534158U CN207534158U CN201721401979.9U CN201721401979U CN207534158U CN 207534158 U CN207534158 U CN 207534158U CN 201721401979 U CN201721401979 U CN 201721401979U CN 207534158 U CN207534158 U CN 207534158U
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Abstract
The utility model provides a kind of gas curtain head for high anti-material welding protection; including gas curtain head ontology; the gas curtain head body central is equipped with central through hole; gas curtain head ontology side wall upper part is equipped with oblique straight slot two; gas curtain head ontology lower sidewall is equipped with several bleeder ports, and the oblique straight slot two is connected with bleeder port with central through hole.In addition, the utility model additionally provides a kind of air curtain device, including gas curtain stent, gas curtain head, air blowing block and flexible guide rod component；The air curtain device can be formed about pressure-sustaining gas protection in weld seam, contribute to appearance of weld, reduce the influence of welding slag butt joint and workpiece, while bleeder port can form light beam diffusing reflection area, be conducive to cut down vertical light reflectivity, reduce the loss to eyeglass.
Description
Technical field
The utility model belongs to laser welding technology field, and in particular to a kind of gas curtain for high anti-material welding protection
Head and air curtain device.
Background technology
Laser welding technology is widely used to various metal materials, wherein using new energy battery industry as representative, for
The welding of the non-ferrous metals such as copper, aluminium also gradually increases.However, the non-ferrous metals such as copper, aluminium belong to high anti-material, often in welding
A large amount of welding slags, and a large amount of reflection laser light beams are also easy to produce, causes welding efficiency low and easily damages processing head.
In the prior art, for the welding air curtain device of welding slag problem design, small portion is mainly stopped by airflow layer
Divide the splashing of welding slag, for the promotion effect unobvious of welding forming, welding efficiency etc..
Utility model content
The purpose of the utility model is to overcome being also easy to produce a large amount of welding slags and reflection laser light beam in existing laser beam welding,
Cause welding efficiency low and it is easy damage processing head the problem of.
For this purpose, the utility model embodiment provides a kind of gas curtain head for high anti-material welding protection, including gas curtain
Head ontology, the gas curtain head body central are equipped with central through hole, and gas curtain head ontology side wall upper part is equipped with oblique straight slot two, gas curtain head
Ontology lower sidewall is equipped with several bleeder ports, and the oblique straight slot two is connected with bleeder port with central through hole.
Further, the longitudinal cross-section of the gas curtain head ontology is up big and down small quadruple board platform stepped structure, and upper part is
Stub end, lower part are small head end, and the oblique straight slot two is arranged on stub end, and the small head end is inverted trapezoidal structure, is lost heart
Hole is arranged on small head end, stub end and small head end of the central through hole through gas curtain head ontology.
Further, the central through hole is in from top to bottom tapered configuration.
In addition, the utility model embodiment additionally provides the gas for including the above-mentioned gas curtain head for high anti-material welding protection
Curtain device, including gas curtain stent, gas curtain head, air blowing block and flexible guide rod component；The gas curtain rack upper surface is equipped with through-hole one,
The lower part of the gas curtain stent is equipped with groove, offers an oblique straight slot one in the recess sidewall, the gas curtain head passes through soft
Property guide rod component be movably connected in groove along recess axis direction, on the central through hole of the gas curtain head and the gas curtain stent
Through-hole one is coaxial and perforation setting, the oblique straight slot two of the gas curtain head and oblique one corresponding setting of straight slot, the air blowing
Block is set on the outside of the groove of the gas curtain stent, and the air blowing block is equipped with air admission hole, and air drain is equipped in air blowing block, described to blow
The air admission hole of air parcel is connected by air drain with the oblique straight slot one.
Further, the gas curtain stent includes level board and the encirclement plate perpendicular to level board lower surface, the encirclement
Plate and level board form the groove that four side seal of intermediate hollow closes, the through-hole one be arranged on level board center and through level board with
Groove is connected；The inner width of the groove is more than the width of the through-hole one.
Further, the shape size on the gas curtain head top is consistent with the inside grooves shape size.
Further, the diameter of the oblique straight slot one is more than the diameter of oblique straight slot two.
Further, the longitudinal cross-section of the air blowing block is tadpole-shaped, and air drain, head side and gas curtain are set in head
The groove lateral wall contact of stent, tail portion is in contact with gas curtain stent lower surface.
Further, the air drain is isometrical with oblique straight slot one and position is correspondingly arranged.
Further, the flexible guide rod component includes stud and spring, and the gas curtain rack upper surface is equipped with through-hole two,
The stud is through to by through-hole two in groove, and the spring is located in groove, and spring is socketed on stud and the gas curtain
The connection of head top.
Compared with prior art, the beneficial effects of the utility model：
(1) this air curtain device for high anti-material welding protection provided by the utility model passes through semiclosed enclosed
Gas curtain stent and the connection of central through hole of groove and gas curtain head of air blowing block and gas curtain stent set so that in weld seam
Pressure-sustaining gas protection is formed about, contributes to appearance of weld, and welding slag butt joint and work are reduced in extreme level
The influence of part.
(2) in the air curtain device provided by the utility model for high anti-material welding protection gas curtain head lower part be equipped with it is multiple rows of
Bleeder port can form light beam diffusing reflection area in laser beam welding, so as to a certain degree near weld seam by bleeder port
It is upper to cut down vertical light reflectivity, reduce the loss to eyeglass.
(3) pass through flexible guide rod component control in the air curtain device provided by the utility model for high anti-material welding protection
Gas curtain head processed is in the movement perpendicular to workpiece direction, so that gas curtain head can have pressuring action to welding workpiece surface, promotion
Welding precision.
The utility model is described in further details below with reference to attached drawing.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model air curtain device；
Fig. 2 is structural section figure of the utility model air curtain device in off working state or dry running state；
Fig. 3 is structural section figure of the utility model air curtain device in working condition.
Reference sign：1st, gas curtain stent；2nd, gas curtain head ontology；3rd, air blowing block；4th, flexible guide rod component；5th, air inlet
Hole；6th, level board；7th, plate is surrounded；8th, groove；9th, stub end；10th, small head end；11st, bleeder port；12nd, central through hole；13rd, it is oblique
Straight slot two；14th, oblique straight slot one；15th, air drain；16th, spring；17th, stud；18th, through-hole one.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be appreciated that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relationship is put, be for only for ease of description the utility model and simplifies description rather than instruction or implies signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
Term " first ", " second " be only used for description purpose, and it is not intended that instruction or imply relative importance or
The implicit quantity for indicating indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more this feature；In the description of the present invention, unless otherwise indicated, " multiple ", " several "
It is meant that two or more.
Embodiment 1：
As shown in Figures 2 and 3, a kind of gas curtain head for high anti-material welding protection is present embodiments provided, including gas
Curtain head ontology 2,2 center of gas curtain head ontology are equipped with central through hole 12, and 2 side wall upper part of gas curtain head ontology is equipped with oblique straight slot two
13,2 lower sidewall of gas curtain head ontology is equipped with several bleeder ports 11, and the oblique straight slot 2 13 leads to bleeder port 11 with center
Hole 12 connects.The protection gas of laser welding is entered by oblique straight slot two in the central through hole 12 of gas curtain head ontology 2, in laser
During processing, by 2 compacting processing workpiece surface of gas curtain head ontology so that position while welding is located at the central through hole 12 of gas curtain head ontology 2
Center, laser beam by central through hole 12 top inject, while part protection gas by 12 top of central through hole discharge, part
Protection gas is discharged by bleeder port 11, so that 12 inside of central through hole of gas curtain head ontology 2 forms constant pressure protection compression ring border, is had
Help appearance of weld；And laser beam is across during central through hole 12, due to gas curtain head lower part be provided with it is multiple rows of
Bleeder port 11, laser beam can form light beam diffusing reflection area by bleeder port 11, so as to cut down vertical laser light to a certain extent
The reflectivity of beam can effectively reduce the loss to eyeglass.
A kind of specific embodiment, the longitudinal cross-section of the gas curtain head ontology 2 is up big and down small quadruple board platform scalariform knot
Structure, upper part are stub end 9, and lower part is small head end 10, and the oblique straight slot 2 13 is arranged on stub end 9, the small head end
10 be inverted trapezoidal structure, and bleeder port 11 is arranged on small head end 10, and the central through hole 12 runs through the stub end of gas curtain head ontology 2
9 and small head end 10, it is preferred that for the central through hole 12 from top to bottom in tapered configuration, laser beam from top to bottom passes through gas curtain
It is gradually tapered up during head, finally workpiece is welded by the injection of 10 centre bore of small head end of gas curtain head, improves welding efficiency.
Embodiment 2：
On the basis of embodiment 1, as shown in Figure 1, Figure 2 and Figure 3, a kind of air curtain device is present embodiments provided, including
Gas curtain stent 1, gas curtain head, air blowing block 3 and flexible guide rod component 4；2 upper surface of gas curtain stent is equipped with through-hole 1, described
The lower part of gas curtain stent 1 is equipped with groove 8, offers an oblique straight slot 1 on 8 side wall of groove, the gas curtain head passes through soft
Property guide rod component 4 be movably connected in groove 8 along 8 axis direction of groove, central through hole 12 and the gas curtain of the gas curtain head
Through-hole 1 on stent 1 is coaxial and perforation is set, the oblique straight slot 2 13 in the gas curtain head upper portion side wall and oblique straight slot
One 14 corresponding settings, in off working state, oblique straight slot 2 13 is located at the lower section of oblique straight slot 1, in working condition
When, gas curtain head will be shifted up, and the position communicated with oblique straight slot 1, the lower side of the gas curtain head are moved on oblique straight slot 2 13
Wall is equipped with several bleeder ports 11, and bleeder port 11 is circumferential around the central through hole 12 of gas curtain head and along the axial direction of central through hole 12 is in
Multiple rows of setting, the oblique straight slot 2 13 are connected with bleeder port 11 with central through hole 12, and the air blowing block 3 is set to the gas
8 outside of groove of curtain stent 1, the air blowing block 3 are equipped with air admission hole 5, air drain 15 are equipped in air blowing block 3, the air blowing block 3
Air admission hole 5 is connected by air drain 15 with the oblique straight slot 1.Under non-processing state, as shown in Fig. 2, gas curtain head is due to certainly
Weight, the wherein bottom in the groove 8 of gas curtain stent 1, gas curtain head upper surface are slightly above the lower face of 8 side wall of groove, will
The lower ending opening of groove 8 seals, and the oblique straight slot 2 13 on gas curtain rostral wall is located on 8 side wall of groove of gas curtain stent 1 at this time
Oblique straight slot 1 lower section；Under dry running state, air admission hole 5 air inlet of the gas by air blowing block 3 is protected, passes through air blowing block
3 air drain 15 and oblique straight slot 1 enter in the groove 8 of gas curtain stent 1, and protection gas is full of air blowing block 3 and gas curtain stent 1
Groove 8；When workpieces processing, as shown in figure 3, by gas curtain head workpiece pressing surface so that position while welding is located in gas curtain head
The center of heart through-hole 12, during gas curtain head workpiece pressing, the opposite gas curtain stent 1 of gas curtain head meeting is along flexible guide rod component 4
It moves, moves at oblique one 14 position of straight slot on the oblique straight slot 2 13 on gas curtain rostral wall, be connected with oblique straight slot 1, this
When protection gas enter the central through hole of gas curtain head 1 by oblique straight slot 2 13 by the air drain 15 of air blowing block 3 and oblique straight slot 1
In 12, which part protects gas to be discharged by the top of central through hole 12, and part protects gas lower part bleeder port 11 to discharge, so that
12 inside of central through hole of gas curtain head forms constant pressure protection compression ring border, contributes to appearance of weld, and laser beam is by gas curtain
Central through hole 12 of the through-hole 1 of stent 1 through groove 8 and gas curtain head welds the workpiece below gas curtain head, and due to gas
Curtain head lower part is provided with multiple rows of bleeder port 11, and laser beam can form light beam diffusing reflection area by bleeder port 11, so as in certain journey
Cut down the reflectivity of vertical laser light beam on degree, the loss to eyeglass can be effectively reduced.
A kind of embodiment of refinement, as shown in Fig. 2, the gas curtain stent 1 includes level board 6 and perpendicular to level board 6
The encirclement plate 7 of lower surface, the groove 8 for surrounding plate 7 and composition four side seal of intermediate hollow of level board 6 and closing, gas curtain stent 1 is set
This semiclosed enclosed structure is counted into, gas curtain head is wrapped in groove 8, can largely reduce welding slag butt joint
Influence, the through-hole 1 is arranged on 6 center of level board and is connected through level board 6 with groove 8；The groove 8 it is interior
Portion's width is more than the width of the through-hole 1, convenient for the flexibility that installation play the guiding role to the movement of gas curtain head inside groove 8
Guide rod component 4, flexible guide rod component 4 will not have an impact the propagation for the laser beam injected by through-hole 1.Specifically, institute
It states flexible guide rod component 4 and includes stud 17 and spring 16,1 upper surface of gas curtain stent is equipped with through-hole two（It is not shown in figure）,
The stud 17 is through to by through-hole two in groove 8, and the spring 16 is located in groove 8, and spring 16 is socketed on stud 17
It is connect with the gas curtain head top, stud 17 plays guiding role to moving up and down for gas curtain head, and gas curtain head is avoided to move up
It shifts in the process, and spring 17 plays gas curtain head cushioning effect so that gas curtain head is to workpiece during workpieces processing
Surface can compress well, improve welding precision.
Further, the shape size on the gas curtain head top and 8 interior shape of groove are in the same size, are ensureing gas
In the case that curtain head can smoothly be moved up and down in 8 inside of groove, gas curtain head will not shake in groove 8, and the oblique straight slot
One 14 diameter is more than the diameter of oblique straight slot 2 13.
As a kind of embodiment of optimization, for the ease of the connection between air blowing block 3 and gas curtain stent 1, the air blowing
The longitudinal cross-section of block 3 is tadpole-shaped, and air drain 15 is set in head, and tadpole shape eye portion is air admission hole 5, air admission hole 5 and gas
Slot 15 is connected, and head side is contacted with 8 lateral wall of groove of gas curtain stent 1, and the air drain 15 and oblique straight slot 1 are isometrical
And position is correspondingly arranged, tadpole shape tail portion be junction, be in contact with 1 lower surface of gas curtain stent, that is, with gas curtain stent 1
The lower surface of level board 6 is in contact, and such air blowing block 3 connect integral with gas curtain stent 1, and shape is more beautiful, certainly, blows
The structure of air parcel 3 is also not limited only to tadpole shape, and shape can be a variety of, as long as connection side between air blowing block 3 and gas curtain stent 1
Just, and air admission hole 5, air drain 15 and oblique straight slot 1 facilitate connection.
In conclusion this air curtain device for high anti-material welding protection provided by the utility model pass through it is semiclosed
The gas curtain stent and air blowing block of enclosed and the connection of the groove of gas curtain stent and the central through hole of gas curtain head are set so that
Weld seam is formed about pressure-sustaining gas protection, contributes to appearance of weld, and welding slag butt joint is reduced in extreme level
And the influence of workpiece, while bleeder port can form light beam diffusing reflection area, so as to cut down vertical light reflectivity to a certain extent,
Reduce the loss to eyeglass.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to the utility model
Limitation, within every design the same or similar with the utility model all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of gas curtain head for high anti-material welding protection, including gas curtain head ontology (2), it is characterised in that：The gas curtain
Head ontology (2) center is equipped with central through hole (12), and gas curtain head ontology (2) side wall upper part is equipped with oblique straight slot two (13), gas curtain head
Ontology (2) lower sidewall is equipped with several bleeder ports (11), and the oblique straight slot two (13) is led to bleeder port (11) with center
Hole (12) connects.
2. the gas curtain head as described in claim 1 for high anti-material welding protection, it is characterised in that：The gas curtain head ontology
(2) longitudinal cross-section be up big and down small quadruple board platform stepped structure, upper part be stub end (9), lower part be small head end (10), institute
It states oblique straight slot two (13) to be arranged on stub end (9), the small head end (10) is inverted trapezoidal structure, and bleeder port (11) is arranged on
On small head end (10), the central through hole (12) is through the stub end (9) of gas curtain head ontology (2) and small head end (10).
3. the gas curtain head as claimed in claim 2 for high anti-material welding protection, it is characterised in that：The central through hole
(12) it is in from top to bottom tapered configuration.
4. a kind of include such as the gas curtain dress of gas curtain head of the claims 1 to 3 any one of them for high anti-material welding protection
It puts, it is characterised in that：Including gas curtain stent (1), gas curtain head, air blowing block (3) and flexible guide rod component (4)；The gas curtain stent
(1) upper surface is equipped with through-hole one (18), and the lower part of the gas curtain stent (1) is equipped with groove (8), is opened on groove (8) side wall
Equipped with an oblique straight slot one (14), the gas curtain head is movably connected in by flexible guide rod component (4) along groove (8) axis direction
In groove (8), the central through hole (12) of the gas curtain head is coaxial with the through-hole one (18) on the gas curtain stent (1) and perforation is set
It puts, the oblique straight slot two (13) of gas curtain head setting corresponding with oblique straight slot one (14), the air blowing block (3) is set to institute
On the outside of the groove (8) for stating gas curtain stent (1), the air blowing block (3) is equipped with air admission hole (5), and air drain is equipped in air blowing block (3)
(15), the air admission hole (5) of the air blowing block (3) is connected by air drain (15) with the oblique straight slot one (14).
5. air curtain device as claimed in claim 4, it is characterised in that：The gas curtain stent (1) is including level board (6) and vertically
Encirclement plate (7) in level board (6) lower surface, the encirclement plate (7) and level board (6) composition four side seal of intermediate hollow close recessed
Slot (8), the through-hole one (18) are arranged on level board (6) center and are connected through level board (6) with groove (8)；It is described recessed
The inner width of slot (8) is more than the width of the through-hole one (18).
6. air curtain device as claimed in claim 4, it is characterised in that：The shape size on the gas curtain head top and the groove
(8) interior shape is in the same size.
7. air curtain device as claimed in claim 4, it is characterised in that：The diameter of the oblique straight slot one (14) is more than oblique logical
The diameter of slot two (13).
8. air curtain device as claimed in claim 4, it is characterised in that：The longitudinal cross-section of the air blowing block (3) is tadpole-shaped,
Air drain (15) is set in head, and head side is contacted with groove (8) lateral wall of gas curtain stent (1), tail portion and gas curtain stent (1)
Lower surface is in contact.
9. air curtain device as claimed in claim 4, it is characterised in that：The air drain (15) and oblique straight slot one (14) it is isometrical and
Position is correspondingly arranged.
10. air curtain device as claimed in claim 4, it is characterised in that：The flexible guide rod component (4) including stud (17) and
Spring (16), gas curtain stent (1) upper surface are equipped with through-hole two, and the stud (17) is through to groove (8) by through-hole two
In, in groove (8), spring (16) is socketed on stud (17) and gas curtain head ontology (2) top spring (16)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401979.9U CN207534158U (en) | 2017-10-27 | 2017-10-27 | A kind of gas curtain head and air curtain device for high anti-material welding protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401979.9U CN207534158U (en) | 2017-10-27 | 2017-10-27 | A kind of gas curtain head and air curtain device for high anti-material welding protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207534158U true CN207534158U (en) | 2018-06-26 |
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ID=62611191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721401979.9U Active CN207534158U (en) | 2017-10-27 | 2017-10-27 | A kind of gas curtain head and air curtain device for high anti-material welding protection |
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| CN (1) | CN207534158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576233A (en) * | 2019-10-08 | 2019-12-17 | 华工法利莱切焊系统工程有限公司 | Gas control system for laser brazing process and laser welding equipment |
-
2017
- 2017-10-27 CN CN201721401979.9U patent/CN207534158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576233A (en) * | 2019-10-08 | 2019-12-17 | 华工法利莱切焊系统工程有限公司 | Gas control system for laser brazing process and laser welding equipment |
| CN110576233B (en) * | 2019-10-08 | 2021-09-24 | 华工法利莱切焊系统工程有限公司 | Gas control system for laser brazing process and laser welding equipment |
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