CN105880830B - Laser welder - Google Patents
Laser welder Download PDFInfo
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- CN105880830B CN105880830B CN201510039498.7A CN201510039498A CN105880830B CN 105880830 B CN105880830 B CN 105880830B CN 201510039498 A CN201510039498 A CN 201510039498A CN 105880830 B CN105880830 B CN 105880830B
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- pipeline
- output block
- venthole
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- injection
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Abstract
The invention discloses a kind of laser welder, it includes the body for being internally formed laser via, it is connected to below the body and for exporting the output block of laser and being fixed on the body and be used for the spraying and blowing organ of the laser injection protective gas exported to the output block, the spraying and blowing organ includes the transfer pipeline for conveying the protective gas, the injection pipeline that is connected with the transfer pipeline and the nozzle for being connected to the injection line end, the position that pipeline is blown described in the transfer pipeline face offers jack, the spraying and blowing organ also includes the cylinder being tightly connected with the transfer pipeline, the external part of its piston rod can be stretched into through the jack in the injection pipeline, the external part of the piston rod is provided with the milling cutter for being purged to the welding slag in the injection pipeline and the nozzle.Using the laser welder of the present invention, welding slag plug nozzle and injection pipeline can be prevented, while welding slag can also be prevented to damage optics.
Description
Technical field
The present invention relates to welding field, more particularly to a kind of laser welder.
Background technology
Laser welder is a kind of heat processing technique by the use of laser beam as thermal source, and the laser spot hot spot of laser beam is small,
Power density is high, can weld some high-melting-points, the alloy material of high intensity.Laser welding is contactless processing, is damaged without instrument
The problems such as consumption and tool change.When laser welding melts steel, substantial amounts of plasma cloud can be produced, causes laser effective
Melt follow-up strip and produce stomata and rosin joint, therefore, set in the prior art side spray nozzle spray protective gas with will etc. from
Sub- cloud dispels, so as to prevent the generation of stomata and rosin joint.
But in the prior art, the laser welder with protective gas blowing device after being used for a while or
When there is debris on welding strip surface, the welding slag of splashing can plug nozzle and injection pipeline, cause protective gas injection insufficient from
And influence welding quality；Sometimes the welding slag to splash can also enter optics of its inside of damage in laser welder body so as to shadow
Laser output is rung, leads to not normal weld.
For the above mentioned problem in the presence of prior art, there is provided a kind of new laser welder has great importance.
The content of the invention
To solve the above problems, the present invention provides a kind of laser welder, it can prevent welding slag plug nozzle and injection tube
Road, while welding slag can also be prevented to damage optics.
To achieve the above object, laser welder of the invention includes being internally formed the body of laser via, is connected to institute
State below body and be used to export the output block of laser and be fixed on the body and be used for the output block institute
The spraying and blowing organ of the laser injection protective gas of output, the spraying and blowing organ include the conveying for conveying the protective gas
Pipeline, the injection pipeline being connected with the transfer pipeline and the nozzle for being connected to the injection line end, the conveying
The position that pipeline is blown described in pipeline face offers jack, and the spraying and blowing organ also includes to seal with the transfer pipeline and connected
The cylinder connect, the external part of its piston rod can be stretched into through the jack in the injection pipeline, the external part of the piston rod
It is provided with the milling cutter for being purged to the welding slag in the injection pipeline and the nozzle.
Preferably, the transfer pipeline includes horizontal segment and is connected to the L-shaped bending segment of the horizontal segment end, institute
State injection pipeline be connected with the L-shaped bending segment, also, it is described be blown pipeline relative to the L-shaped bending segment away from
The side of the horizontal segment tilts.
Further, the cylinder is fixed on the L-shaped bending segment by support.
Preferably, the output block is cone cylinder shape, and its circumferential size close to described body one end is more than away from described
The circumferential size of body one end.
Further, the first position of the output block axially offers three the first ventholes, and described first
Circumferentially extending of the venthole along the output block, and first venthole uniformly divides in the circumferential of the output block
Cloth, the first position are respectively connected with the first air inlet pipeline on the segmental arc between adjacent first venthole.
Further, the radian of first venthole is 50-55 degree.
Further, the second place of the output block axially offers three the second ventholes, and described second
Circumferentially extending of the venthole along the output block, and second venthole uniformly divides in the circumferential of the output block
Cloth, the second place are respectively connected with the second air inlet pipeline on the segmental arc between adjacent second venthole.
Further, the radian of second venthole is 65-70 degree.
Further, the second place is located at side of the first position away from the body, first outlet
Hole misplaces in the circumference of the output block with second venthole and opened up.
Preferably, the transfer pipeline is connected with outer transfer pipe, and stream has been sequentially connected in series on the outer transfer pipe
Control valve and cool dryers, thermal protection layer is coated with the outer transfer pipe.
The laser welder of the present invention, the milling cutter set by the external part of piston rod, to being jammed in injection pipeline and nozzle
Interior welding slag is purged, and prevents from influenceing welding quality due to welding slag plug nozzle and injection pipeline；In addition, by exporting
The first position and the second place of part connect air inlet pipeline and open up venthole respectively, and compressed gas is inputted by air inlet pipeline
Afterwards, the airflow layer with certain pressure is formed in first position and the second place, so as to prevent welding slag from entering laser welder sheet
Body internal damage optics, extend the service life of optics.
Brief description of the drawings
Fig. 1 is the structural representation of the laser welder of the present invention；
Fig. 2 is the structural representation of the spraying and blowing organ in Fig. 1；
Fig. 3 is the connection diagram of the outer transfer pipe of spraying and blowing organ；
Fig. 4 is the partial structural diagram of the spraying and blowing organ in Fig. 2；
Fig. 5 is the structural representation of output block in Fig. 1.
Embodiment
Below, it is further described with reference to accompanying drawing, structure and operation principle to the present invention etc..
Fig. 1 is the structural representation of the laser welder of the present invention.
Referring to Fig. 1, laser welder of the invention includes being internally formed the body 1 of laser via, is connected to the lower section of body 1
And the laser for exporting the output block 3 of laser and being fixed on body 1 and be used to be exported to output block 3 is blown guarantor
Protect the spraying and blowing organ 2 of gas.Top in body 1 positioned at output block 3 is provided with optics 4, such as focus lamp etc.；Laser
Beam is injected on steel by output block 3 after the processing of optics 4 in body 1 and welded.
Fig. 2 is the structural representation of the spraying and blowing organ 2 in Fig. 1；Fig. 3 is the connection of the outer transfer pipe 5 of spraying and blowing organ 2
Schematic diagram；Fig. 4 is the partial structural diagram of the spraying and blowing organ 2 in Fig. 2.
Referring to Fig. 2, spraying and blowing organ 2 include for convey protective gas transfer pipeline 201, with the phase of transfer pipeline 201
The injection pipeline 202 of connection and the nozzle 203 for being connected to injection pipeline 202 end.Wherein, protective gas is generally indifferent gas
Body, it can dispel a large amount of plasma clouds caused by welding；Transfer pipeline 201 is connected with outer transfer pipe 5, outside transmission
Protective gas is connected with pipeline 5.
Referring to Fig. 3, the part concatenated it illustrates the outer transfer pipe 5 in Fig. 2 with the outer transfer pipe 5
Annexation.The part concatenated on outer transfer pipe 5 includes flow control valve 8 and cool dryers 9, flow control valve 8
For controlling the flow of protective gas, cool dryers 9 are used to cool down and dry-run protection gas, generally by the temperature of protective gas
Control is at 20 DEG C ± 1 DEG C, humidity≤20%, meanwhile, thermal protection layer is also wrapped on outer transfer pipe 5 to ensure in it
The temperature of protective gas.
With continued reference to Fig. 2, as a kind of preferred embodiment, transfer pipeline 201 includes horizontal segment 201a and is connected to water
The L-shaped bending segment 201b of flat section 201a ends, with reference to Fig. 1, is provided with first support 208 on horizontal segment 201a, for that will be blown
Mechanism 2 is fixed on the lower section of body 1；Pipeline 202 is blown with L-shaped bending segment 201b to be connected and positioned at L-shaped bending segment 201b's
Lower section, moreover, injection pipeline 202 tilts relative to L-shaped bending segment 201b away from horizontal segment 201a side, so that connection
Nozzle 203 in injection pipeline 202 end can be directed at the lower section of output block 3, so as to ensure the protection sprayed by nozzle 203
Gas can dispel the plasma cloud of the lower section of output block 3.
Referring to Fig. 4 and Fig. 2 is combined, the position of the face of transfer pipeline 201 injection pipeline 202 offers jack and (do not marked in figure
Show), meanwhile, spraying and blowing organ 2 also includes the cylinder 204 being tightly connected with transfer pipeline 201, cylinder 204 and transfer pipeline 201
Sealing can be accomplished in several ways, as shown in figure 4, cylinder 204 is sealed by seal 205 and L-shaped bending segment 201b, sealing
Part 205 is set on piston rod 2041, and the external part of piston rod 2041 can be stretched into through jack in injection pipeline 202, piston
The external part of bar 2041 is provided with the milling cutter 206 for being purged to the welding slag in injection pipeline 202 and nozzle 203.
In non-solder state, milling cutter 206 is in stretching state with piston rod 2041, and nozzle 203 is blocked, prevents dust
Into in nozzle 203 and injection pipeline 202, protective gas smoothly can spray from nozzle 203 when being welded with guarantee；When preparation is welded
When connecing, milling cutter 206 is retracted with piston rod 2041, so that protective gas is smoothly entered injection pipeline 202 by L-shaped bending segment 201b,
It is the state that piston rod 2041 is retracted shown in Fig. 2 and Fig. 4；After the completion of laser welding, milling cutter 206 stretches to injection pipeline
The welding slag in injection pipeline 202 and nozzle 203 is removed in 202, piston rod 2041 can stretch back and forth repeatedly so that milling cutter 206 will weld
Slag is removed clean.Preferably, cylinder 204 is fixed on L-shaped bending segment 201b by second support 207.As shown in Fig. 2 cylinder
204 have been sequentially connected in series action magnetic valve 209 and control unit 210, for controlling the stretching and retraction of piston rod 2041.
Fig. 5 is the structural representation of output block 3 in Fig. 1.
Referring to Fig. 5 and Fig. 1 is combined, output block 3 is cone cylinder shape, and its circumferential size close to the one end of body 1 is more than remote
The circumferential size of the one end of body 1.The first position 301 of output block 3 axially offers three the first ventholes 3011, its
Along the circumferentially extending of output block 3, and the first venthole 3011 is uniformly distributed in the circumference of output block 3.Preferably, first
The radian of venthole 3011 is 50-55 degree, and first position 301 is equal on the segmental arc between the first adjacent venthole 3011
The first air inlet pipeline 6 is connected with, compressed gas is entered in output block 3 by the first air inlet pipeline 6, by the first venthole 3011
Go out, so as to form the first airflow layer with certain pressure at first position 301 in output block 3, with prevent welding slag to
Upper splashing.
Further, the second place 302 of output block 3 axially offers three the second ventholes 3021, and second
Circumferentially extending of the venthole 3021 along output block 3, and the second venthole 3021 is uniformly distributed in the circumference of output block 3.
Preferably, the radian of the second venthole 3021 is 65-70 degree, and the second place 302 is between the second adjacent venthole 3021
Segmental arc on be respectively connected with the second air inlet pipeline 7, similarly, compressed gas by the second air inlet pipeline 7 enter output block 3 in,
Gone out by the second venthole 3021, so as to form the second air-flow with certain pressure at the second place 302 in output block 3
Layer, can also equally prevent welding slag from splashing upwards.First airflow layer and the second airflow layer serve double to the welding slag to splash upwards
The effect prevented again.
As a further improvement, the second place 302 is located at side of the first position 301 away from body 1, the first venthole
3011 misplace with the second venthole 3021 in the circumference of output block 3 opens up, i.e., the second venthole 3021 is in first position 301
On projection stagger or partly overlap with the first venthole 3011 so that the airflow direction of two airflow layers is different, further
Strengthen the prevention effect to the welding slag in body 1 to be entered.
The above-mentioned air inlet pipeline 7 of first air inlet pipeline 6 and second is respectively connected with control valve group, for adjusting in air inlet pipeline
The flow of compressed gas and the break-make for controlling air inlet pipeline.In welded condition, the first air inlet pipeline 6 and the second air inlet pipeline 7
It is in channel status, the compression gas flow in the second air inlet pipeline 7 should be greater than the flow of the compressed gas in the first air inlet pipeline 6
Amount, make the welding slag of splashing, again through the first airflow layer, so more effectively welding slag can be prevented to enter after the deceleration of the second airflow layer
Damage optics 4 in body 1, generally, the compression gas flow in the first air inlet pipeline 6 are arranged to 18-20 liters/min, the
Compression gas flow in two air inlet pipelines 7 is arranged to 25-28 liters/min.
In non-solder state, the second air inlet pipeline 7 can be disconnected, the first air inlet pipeline of holding 6 is unimpeded and is in low stream
Amount state, to ensure that optics 4 will not also be polluted in non-solder state by dust, generally, now the first air inlet pipeline 6
In compression gas flow be arranged to 10-12 liters/min.
More than, it is only schematic description of the invention, it will be recognized by those skilled in the art that in the work without departing from the present invention
On the basis of making principle, a variety of improvement can be made to the present invention, this belongs to protection scope of the present invention.
Claims (10)
1. a kind of laser welder, including be internally formed the body of laser via, be connected to below the body and for exporting
Gas is protected in the output block of laser and the laser injection be fixed on the body and be used to be exported to the output block
The spraying and blowing organ of body, it is characterised in that the spraying and blowing organ includes the transfer pipeline and institute for conveying the protective gas
State injection pipeline that transfer pipeline is connected and the nozzle for being connected to the injection line end, the transfer pipeline face institute
The position for stating injection pipeline offers jack, and the spraying and blowing organ also includes the cylinder being tightly connected with the transfer pipeline,
The external part of its piston rod can be stretched into through the jack in the injection pipeline, and the external part of the piston rod, which is provided with, to be used for
The milling cutter being purged to the welding slag in the injection pipeline and the nozzle.
2. laser welder as claimed in claim 1, it is characterised in that the transfer pipeline includes horizontal segment and is connected to
The L-shaped bending segment of the horizontal segment end, the injection pipeline is connected with the L-shaped bending segment, also, the injection pipeline
Tilted relative to side of the L-shaped bending segment away from the horizontal segment.
3. laser welder as claimed in claim 2, it is characterised in that the cylinder is fixed on the L-shaped by support and bent
Duan Shang.
4. laser welder as claimed in claim 1, it is characterised in that the output block is cone cylinder shape, and it is close to described
The circumferential size of body one end is more than the circumferential size away from described body one end.
5. laser welder as claimed in claim 4, it is characterised in that the first position of the output block axially opens up
There are three the first ventholes, circumferentially extending of first venthole along the output block, and first venthole exists
The circumference of the output block is uniformly distributed, and the first position is on the segmental arc between adjacent first venthole
It is respectively connected with the first air inlet pipeline.
6. laser welder as claimed in claim 5, it is characterised in that the radian of first venthole is 50-55 degree.
7. laser welder as claimed in claim 5, it is characterised in that the second place of the output block axially opens up
There are three the second ventholes, circumferentially extending of second venthole along the output block, and second venthole exists
The circumference of the output block is uniformly distributed, and the second place is on the segmental arc between adjacent second venthole
It is respectively connected with the second air inlet pipeline.
8. laser welder as claimed in claim 7, it is characterised in that the radian of second venthole is 65-70 degree.
9. laser welder as claimed in claim 7, it is characterised in that the second place is located at the first position away from institute
The side of body is stated, first venthole misplaces in the circumference of the output block with second venthole and opened up.
10. laser welder as claimed in claim 1, it is characterised in that the transfer pipeline is connected with outer transfer pipe, institute
State and flow control valve and cool dryers have been sequentially connected in series on outer transfer pipe, be coated with the outer transfer pipe heat-insulated
Overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039498.7A CN105880830B (en) | 2015-01-26 | 2015-01-26 | Laser welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039498.7A CN105880830B (en) | 2015-01-26 | 2015-01-26 | Laser welder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880830A CN105880830A (en) | 2016-08-24 |
| CN105880830B true CN105880830B (en) | 2017-11-28 |
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ID=57001699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510039498.7A Active CN105880830B (en) | 2015-01-26 | 2015-01-26 | Laser welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105880830B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971632B (en) * | 2016-10-21 | 2019-07-12 | 核工业西南物理研究院 | A kind of method for laser welding eliminating the back side and splashing |
| CN117961289B (en) * | 2024-04-01 | 2024-07-05 | 深圳市桓日激光有限公司 | Welding equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780713A (en) * | 2003-04-28 | 2006-05-31 | 亚历山大·宾策尔焊接技术两合公司 | Device for cleaning the gas nozzle of a welding torch |
| CN1785575A (en) * | 2004-12-08 | 2006-06-14 | 松下电器产业株式会社 | Hybrid laser machining method and hybrid laser torch used therein |
| CN101456099A (en) * | 2007-12-13 | 2009-06-17 | 中国科学院力学研究所 | Protection device for laser welding head |
| CN203227932U (en) * | 2013-05-17 | 2013-10-09 | 武汉梅曼科技有限公司 | Multi-layer gas curtain laser cutting head |
| CN104014932A (en) * | 2014-06-03 | 2014-09-03 | 湖南大学 | Rotary shielding gas lateral blowing device and method for laser welding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130022845A (en) * | 2011-08-26 | 2013-03-07 | 엘지이노텍 주식회사 | Laser processing device |
-
2015
- 2015-01-26 CN CN201510039498.7A patent/CN105880830B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780713A (en) * | 2003-04-28 | 2006-05-31 | 亚历山大·宾策尔焊接技术两合公司 | Device for cleaning the gas nozzle of a welding torch |
| CN1785575A (en) * | 2004-12-08 | 2006-06-14 | 松下电器产业株式会社 | Hybrid laser machining method and hybrid laser torch used therein |
| CN101456099A (en) * | 2007-12-13 | 2009-06-17 | 中国科学院力学研究所 | Protection device for laser welding head |
| CN203227932U (en) * | 2013-05-17 | 2013-10-09 | 武汉梅曼科技有限公司 | Multi-layer gas curtain laser cutting head |
| CN104014932A (en) * | 2014-06-03 | 2014-09-03 | 湖南大学 | Rotary shielding gas lateral blowing device and method for laser welding |
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| Publication number | Publication date |
|---|---|
| CN105880830A (en) | 2016-08-24 |
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