CN206493030U - A kind of laser welding head protection device of air - Google Patents
A kind of laser welding head protection device of air Download PDFInfo
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- CN206493030U CN206493030U CN201720068275.8U CN201720068275U CN206493030U CN 206493030 U CN206493030 U CN 206493030U CN 201720068275 U CN201720068275 U CN 201720068275U CN 206493030 U CN206493030 U CN 206493030U
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- laser
- air
- protection device
- welding head
- laser welding
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Abstract
A kind of laser welding head protection device of air, including upper contiguous block, quick change elbow, threaded connecting sleeve, holding screw, lower connecting block, laser lens, O-ring seal and air nozzle, it is characterised in that：Lower connecting block embeds laser lens and O-ring seal, is threadedly coupled with upper contiguous block；Lower connecting block four sides is evenly equipped with identical screwed hole, wherein three faces are blocked by holding screw, simultaneously installs quick change elbow, air nozzle is connected with lower connecting block precision-fit, and is fastened by threaded connecting sleeve.The utility model can make protective gas in laser beam welding more effectively protect molten bath and protect condenser lens to pollute the sputtering with liquid molten drop from metallic vapour; protection device of air is avoided to be interfered with complicated fixture; laser welding apparatus is carried out welding and produce more excellent welding effect; it is more excellent including workpiece weldquality; face of weld is more attractive in appearance; more preferably, tensile failure yield strength is bigger for weld seam performance, the simpler convenience of laser welding head welding walking debugging.
Description
Technical field
The utility model is related to laser welding, more particularly to a kind of laser welding head protection device of air.
Background technology
Laser welding is the high-efficiency and precision welding method that a kind of laser beam of utilization high-energy-density is thermal source.Compared to biography
Unite welding method, laser welding has that welding deformation is small, weldquality is excellent, it is applied widely many advantages, such as.Laser welding
During often using inert gas shielding molten bath, make workpiece in welding process from aoxidizing to obtain excellent weldquality.Also
Condenser lens can be protected to pollute the sputtering with liquid molten drop from metallic vapour by protective gas, high-frequency Laser Welding is dispersed
The plasma shielding for practicing midwifery raw, improves speed of welding.But, the existing auxiliary applied to welding process inert gas shielding is filled
Put because space-consuming is larger and is interfered with the complicated fixture of clamping miniature parts, it is impossible to effectively protect molten bath and protection poly-
Focus lens pollute from metallic vapour.
The content of the invention
Technical problem to be solved in the utility model is to make up the defect of above-mentioned prior art there is provided a kind of laser welding
Head protection device of air.
Technical problem of the present utility model is solved by the following technical programs.
This laser welding head protection device of air, including upper contiguous block, quick change elbow, threaded connecting sleeve, holding screw, under
Contiguous block, laser lens, O-ring seal and air nozzle, the protection gas conveying tracheae of the quick change elbow connection external equipment, institute
State lower connecting block, laser lens, O-ring seal and air nozzle and constitute closed compression stroke.
The characteristics of this laser welding head protection device of air is：
The lower connecting block embeds laser lens and O-ring seal, is threadedly coupled with the upper contiguous block；The lower connection
Block four sides is evenly equipped with identical screwed hole, wherein three faces are blocked by the holding screw, simultaneously installs the quick change elbow；
The air nozzle is connected with the lower connecting block precision-fit, and is fastened by the threaded connecting sleeve；
Welding protection compressed gas enters this laser head protection device of air by quick change elbow, saturating by lower connecting block, laser
Mirror, O-ring seal and air nozzle composition seal more preferably compression stroke compress in Laser Focusing point upper position output protection
Gas, protects condenser lens more excellent from the sputtering effect of metallic vapour pollution and liquid molten drop, and blowing direction is erected with molten bath
Straight angular separation is zero, not only ensures that gas shield is better, including workpiece weldquality is more excellent, and face of weld is more
Attractive in appearance, more preferably, tensile failure yield strength is bigger, and occupies little space, and can largely avoid for weld seam performance
Interfered with the complicated fixture of clamping miniature parts, greatly improve it and weld flexible practical performance, laser welding head welding row
Walk and debug simpler convenience.
Technical problem of the present utility model is solved by technical scheme further below.
The inner circle coning angle of the upper contiguous block is laser beam maximum angle ± 2 °.
The inner circle coning angle of the air nozzle is laser beam maximum angle ± 2 °.
Air nozzle bottom fitted position is higher than 8 ± 2mm of laser beam focusing point.
The upper contiguous block is connected by correspondence laser head body mounting hole site screwed hole with laser head body.
The holding screw is interior hexagonal flush end holding screw.
Moved according to actual electric piping distribution convenience and welding gun welding in the quick change elbow relative laser head body direction
Space is determined.
Technical problem of the present utility model is solved by following further technical scheme.
The material of the upper contiguous block, lower connecting block and adapter sleeve is one kind in AL6063 and AL7075.
The material of the air nozzle is chromium-zirconium-copper.
The beneficial effect of the utility model compared with prior art is：
The utility model can make protective gas in laser beam welding more effectively protect molten bath and protection condenser lens to exempt from
Sputtered by metallic vapour pollution and liquid molten drop, it is to avoid protection device of air is interfered with complicated fixture, sets laser welding
The more excellent welding effect of standby progress welding generation, including workpiece weldquality are more excellent, and face of weld is more attractive in appearance, weld seam
More preferably, tensile failure yield strength is bigger for performance, the simpler convenience of laser welding head welding walking debugging.
Brief description of the drawings
Fig. 1 is the front view that the utility model embodiment is connected with laser head body；
Fig. 2 is Fig. 1 local A views, the i.e. sectional view of the utility model embodiment.
Embodiment
With reference to embodiment and compare accompanying drawing the utility model is illustrated.
A kind of laser welding head protection device of air as shown in Figure 1, 2, including upper contiguous block 5, quick change elbow 3, screw thread connect
Female connector 8, interior hexagonal flush end holding screw 1, lower connecting block 6, laser lens 2, O-ring seal 4 and air nozzle 7, quick change elbow 3 connect
The protection gas conveying tracheae 9 of external equipment is connect, lower connecting block 6, laser lens 2, O-ring seal 4 and air nozzle 7 constitute closed
Compression stroke.
Upper contiguous block 5 is connected by correspondence laser head body mounting hole site screwed hole with laser head body.
Lower connecting block 6 embeds laser lens 2 and O-ring seal 4, is threadedly coupled with upper contiguous block 5；The four sides of lower connecting block 6
Identical screwed hole is evenly equipped with, wherein three faces are blocked by interior hexagonal flush end holding screw 1, quick change elbow 3 is simultaneously installed, quick change is curved
First 3 relative laser head body direction is determined according to actual electric piping distribution convenience and welding gun welding mobile space.
Air nozzle 7 is connected with the precision-fit of lower connecting block 6, and is fastened by threaded connecting sleeve 8, the bottom of air nozzle 7 assembling chi
It is very little to be higher than 8 ± 2mm of laser beam focusing point.
The material of the upper contiguous block 5 of present embodiment, lower connecting block 6 and adapter sleeve 8 is AL6063, air nozzle 7
Material is chromium-zirconium-copper.
Welding protection compressed gas enters the laser head protection device of air of present embodiment by quick change elbow 3, passes through
Lower connecting block 6, laser lens 2, O-ring seal 4 and air nozzle 7 constitute seal more preferably compression stroke on Laser Focusing point
Portion 8 ± 2mm positions output protection compressed gas, protects condenser lens to pollute the sputtering effect with liquid molten drop from metallic vapour
It is more excellent, and blowing direction and molten bath vertical direction angle are zero, not only ensure that gas shield is better, including workpiece weld seam matter
Amount is more excellent, and face of weld is more attractive in appearance, and more preferably, tensile failure yield strength is bigger for weld seam performance, and takes empty
Between it is small, can largely avoid the complicated fixture with clamping miniature parts from interfering, greatly improve its welding flexibly real
With performance, the simpler convenience of laser welding head welding walking debugging.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, make some equivalent substitutes or obvious modification without departing from the concept of the premise utility, and performance or
Purposes is identical, should all be considered as belonging to the scope of patent protection that the utility model is determined by the claims submitted.
Claims (7)
1. a kind of laser welding head protection device of air, including upper contiguous block, quick change elbow, threaded connecting sleeve, holding screw, lower company
Block, laser lens, O-ring seal and air nozzle are connect, the protection gas conveying tracheae of the quick change elbow connection external equipment is described
Lower connecting block, laser lens, O-ring seal and air nozzle constitute closed compression stroke, it is characterised in that：
The lower connecting block embeds laser lens and O-ring seal, is threadedly coupled with the upper contiguous block；The lower connecting block four
Face is evenly equipped with identical screwed hole, wherein three faces are blocked by the holding screw, simultaneously installs the quick change elbow；
The air nozzle is connected with the lower connecting block precision-fit, and is fastened by the threaded connecting sleeve.
2. laser welding head protection device of air as claimed in claim 1, it is characterised in that：
The inner circle coning angle of the upper contiguous block is laser beam maximum angle ± 2 °.
3. laser welding head protection device of air as claimed in claim 1, it is characterised in that：
The inner circle coning angle of the air nozzle is laser beam maximum angle ± 2 °.
4. laser welding head protection device of air as claimed in claim 3, it is characterised in that：
Air nozzle bottom fitted position is higher than 8 ± 2mm of laser beam focusing point.
5. laser welding head protection device of air as claimed in claim 1, it is characterised in that：
The upper contiguous block is connected by correspondence laser head body mounting hole site screwed hole with laser head body.
6. laser welding head protection device of air as claimed in claim 1, it is characterised in that：
The holding screw is interior hexagonal flush end holding screw.
7. laser welding head protection device of air as claimed in claim 1, it is characterised in that：
The quick change elbow relative laser head body direction mobile space is welded according to actual electric piping distribution convenience and welding gun
Determine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068275.8U CN206493030U (en) | 2017-01-20 | 2017-01-20 | A kind of laser welding head protection device of air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068275.8U CN206493030U (en) | 2017-01-20 | 2017-01-20 | A kind of laser welding head protection device of air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206493030U true CN206493030U (en) | 2017-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720068275.8U Active CN206493030U (en) | 2017-01-20 | 2017-01-20 | A kind of laser welding head protection device of air |
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| CN (1) | CN206493030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624358A (en) * | 2017-01-20 | 2017-05-10 | 广州松兴电气股份有限公司 | Laser welding head protective gas device |
| CN108161227A (en) * | 2018-01-25 | 2018-06-15 | 珠海市福尼斯焊接技术有限公司 | A kind of wire filling laser welding head composite structure |
-
2017
- 2017-01-20 CN CN201720068275.8U patent/CN206493030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624358A (en) * | 2017-01-20 | 2017-05-10 | 广州松兴电气股份有限公司 | Laser welding head protective gas device |
| CN108161227A (en) * | 2018-01-25 | 2018-06-15 | 珠海市福尼斯焊接技术有限公司 | A kind of wire filling laser welding head composite structure |
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