CN104668771A - Protecting device for welding joint lens - Google Patents
Protecting device for welding joint lens Download PDFInfo
- Publication number
- CN104668771A CN104668771A CN201510086695.4A CN201510086695A CN104668771A CN 104668771 A CN104668771 A CN 104668771A CN 201510086695 A CN201510086695 A CN 201510086695A CN 104668771 A CN104668771 A CN 104668771A
- Authority
- CN
- China
- Prior art keywords
- gas
- protecting device
- plumb joint
- air inlet
- joint lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1462—Nozzles; Features related to nozzles
- B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
- B23K26/1476—Features inside the nozzle for feeding the fluid stream through the nozzle
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a protecting device for a welding joint lens and relates to the technical field of laser welding. The protecting device for the welding joint lens comprises a divergent nozzle which is positioned below the welding joint lens and is close to a welding zone; the axial direction of the divergent nozzle is perpendicular to that of a welding joint; the divergent nozzle comprises a nozzle body, air inlets and air outlets; the air inlets are communicated with compressed air; the air outlets are of sector structures; the number of the air inlets is identical with that of the air outlets; corresponding gas channels are arranged in the nozzle body and are used for communicating the corresponding air inlets with the air outlets; the area of cross sections of the gas channels is continuously reduced along the gas flowing direction; gas is jetted from the air outlets with the sector structures to form a plane; the plane is perpendicular to the axial direction of the welding joint. According to the protecting device for the welding joint lens, provided by the invention, the welding joint lens can be protected from being polluted by flue gas and welding slag which are generated by welding; the equipment use efficiency of a welder is improved, and the production stability is improved.
Description
Technical field
The present invention relates to laser welding technology field, particularly relate to a kind of plumb joint lens protecting device.
Background technology
Laser assembly solder welding processing is new technology, in welding process, because welding slag splashing can make laser radiation eyeglass dirty; laser light transmission rate declines, and then causes power drop, and Plate Welding can not be molten; scrap increase, and protective lens is changed, and also can increase cost frequent.
Summary of the invention
The object of the invention is to propose a kind of plumb joint lens protecting device, protective lens can not be vulnerable to welding slag impact, the service life of laser lens extends, and the equipment use efficiency of welding machine is improved, and production stability improves.
For reaching this object, the present invention by the following technical solutions:
A kind of plumb joint lens protecting device, comprise gradual-enlargement type nozzle, its be positioned at plumb joint eyeglass below and close to weld zone, the axis direction of described gradual-enlargement type nozzle is vertical with the axis direction of described plumb joint, described gradual-enlargement type nozzle comprises nozzle body, air inlet and gas outlet, described air inlet is communicated with Compressed Gas, described gas outlet is sector structure, wherein air inlet is identical with the number of gas outlet, in nozzle body, there is corresponding gas passage to be communicated with gas outlet by corresponding air inlet, the area of the cross section of described gas passage reduces continuously along gas circulating direction, gas is from described ejection formation plane in gas outlet with sector structure, this plane is vertical with plumb joint axis direction.
Further technical scheme, the number of described air inlet is at least two, and distance between adjacent air inlet is identical, and the width of described gas passage is constant, and its thickness reduces gradually along gas circulating direction.
Further technical scheme, is characterized in that, the distance between described adjacent gas outlet is identical.
Further technical scheme, the number of described air inlet and gas outlet is one, and described nozzle body is communicated with by the gas passage of its inside, and described communicating passage increases gradually along its width in gas flow direction, and thickness reduces gradually.
Further technical scheme; described plumb joint lens protecting device also comprises gas pressure regulating apparatus; described gas pressure regulating apparatus comprises pressure-regulating valve, and the pipeline that gas pressure regulating apparatus is connected with gradual-enlargement type nozzle is provided with stop valve and Pressure gauge successively along airintake direction.
Further technical scheme, described Compressed Gas is compressed air, compressed nitrogen or compressed helium.
Beneficial effect of the present invention:
Plumb joint lens protecting device provided by the invention, mainly comprise gradual-enlargement type nozzle, between plumb joint eyeglass and weld zone, gathering is compared at the Compressed Gas at nozzle air inlet place, due to the alteration of form of gas passage, thickness close to the gas of nozzle gas outlet reduces, gas forms a plane and plumb joint axes normal after the ejection of gas outlet, flue gas and the welding slag splashing of below it, welding generation can be prevented by gas plane, available protecting plumb joint eyeglass, prevent eyeglass dirty, the service life of laser lens extends, and production stability improves; This protective device is also provided with gas pressure regulating apparatus in addition, can adjust the pressure of gradual-enlargement type nozzle gas outlet gas, prevent gas pressure excessive to welding effect cause harmful effect, gas pressure too small make the protected effect of eyeglass poor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gradual-enlargement type nozzle that the embodiment of the present invention 1 provides;
Fig. 2 is the left view of gradual-enlargement type nozzle in Fig. 1;
Fig. 3 is the structural representation of the gradual-enlargement type nozzle that the embodiment of the present invention 2 provides;
Fig. 4 is the left view of another kind of gradual-enlargement type nozzle in Fig. 3;
Fig. 5 is the structural representation of gas pressure regulating apparatus provided by the invention.
Wherein, 11, nozzle body; 12, gas outlet; 13, air inlet; 14, gas passage;
21, nozzle body; 22, gas outlet; 23, air inlet; 24, gas passage;
5, pressure-regulating valve; 6, pipeline; 7, Pressure gauge; 8, stop valve.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Embodiment 1
Plumb joint lens protecting device, comprises gradual-enlargement type nozzle, and Fig. 1 is the structural representation of the gradual-enlargement type nozzle that the specific embodiment of the invention 1 provides.Fig. 2 is the left view of view in Fig. 1.This gradual-enlargement type nozzle be positioned at plumb joint eyeglass below and close to weld zone, and the axis direction of gradual-enlargement type nozzle and the axis direction of plumb joint vertical, gradual-enlargement type nozzle comprises nozzle body 11, air inlet 13 and gas outlet 12, air inlet 13 is communicated with Compressed Gas, gas outlet 12 is sector structure, wherein air inlet 13 is identical with the number of gas outlet 12 and be at least two, in the present embodiment 1, the number of gas outlet 12 and air inlet 13 is 4, and gas outlet 12 and air inlet 13 evenly distributed, in nozzle body 11, there is corresponding gas passage 14 to be communicated with gas outlet 12 by corresponding air inlet 13, the area of the cross section of gas passage 14 reduces continuously along gas circulating direction, gas sprays formation plane from the gas outlet 12 with sector structure, this plane is vertical with plumb joint axis direction, in the present embodiment, the axis being parallel of gas passage 14 and gradual-enlargement type nozzle, the width of gas passage 14 is constant, its thickness reduces gradually along gas circulating direction.Angle can also be there is in gas passage 14 with the axis of gradual-enlargement type nozzle.
Plumb joint lens protecting device also comprises gas pressure regulating apparatus, and as shown in Figure 5, gas pressure regulating apparatus comprises pressure-regulating valve 5, and the pipeline 6 that gas pressure regulating apparatus is connected with gradual-enlargement type nozzle is provided with stop valve 7 and Pressure gauge 8 successively along airintake direction.Whether gas transmission and gas transmission uninterrupted is controlled by stop valve 7; The pipeline 6 of the output side of stop valve 7 is provided with the Pressure gauge 8 with stop valve; the pressure size of gas in pipeline 6 can be recorded by Pressure gauge 8; above three kinds of valves interact can adjustable pressure; control gas flow, reach optimum efficiency to make the protection of the gas butt joint eyeglass exported from the gas outlet 12 of gradual-enlargement type nozzle.
Embodiment 2
Difference from Example 1 is the structure of gradual-enlargement type nozzle.Gradual-enlargement type nozzle in the present embodiment 2 is still positioned at the below of plumb joint eyeglass and close to weld zone, the axis direction of gradual-enlargement type nozzle is vertical with the axis direction of plumb joint.
Gradual-enlargement type nozzle comprises nozzle body 21, air inlet 23 and gas outlet 22, air inlet 13 is communicated with Compressed Gas, gas outlet 12 is sector structure, wherein air inlet 13 and gas outlet 12 number are one, as shown in Figure 3, its left view as shown in Figure 4, in nozzle body 21, there is corresponding gas passage 24 to be communicated with gas outlet 22 by air inlet 23, the area of the cross section of gas passage 24 reduces continuously along gas circulating direction, gas sprays formation plane from the gas outlet 22 with sector structure, this plane is vertical with plumb joint axis direction, communicating passage 24 increases gradually along its width in gas flow direction, thickness reduces gradually, further increase the area of formed gas plane, effectively, flue gas and welding slag is stoped to be splashed on the plumb joint eyeglass above gas plane, available protecting eyeglass.
Compressed Gas in embodiment 1 and embodiment 2 can select compressed air, compressed nitrogen or compressed helium etc.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Claims (6)
1. a plumb joint lens protecting device, it is characterized in that, comprise duck-beak type nozzle, its be positioned at plumb joint eyeglass below and close to weld zone, the axis direction of described duck-beak type nozzle is vertical with the axis direction of described plumb joint, described duck-beak type nozzle comprises nozzle body (11, 21), air inlet (13, 23) and gas outlet (12, 22), described air inlet (13, 23) be communicated with Compressed Gas, described gas outlet (12, 22) be sector structure, wherein air inlet (13, 23) and gas outlet (12, 22) number is identical, at nozzle body (11, 21) corresponding gas passage (14 is had in, 24) by corresponding air inlet (13, 23) and gas outlet (12, 22) be communicated with.
2. plumb joint lens protecting device according to claim 1; it is characterized in that; the number of described air inlet (13) is at least two; and distance between adjacent air inlet (13) is identical; the width of described gas passage (14) is constant, and its thickness reduces gradually along gas circulating direction.
3. plumb joint lens protecting device according to claim 2, is characterized in that, the distance between described adjacent gas outlet (12) is identical.
4. plumb joint lens protecting device according to claim 1; it is characterized in that; the number of described air inlet (23) and gas outlet (22) is one; described nozzle body (24) is communicated with by the gas passage (24) of its inside; described communicating passage (24) increases gradually along its width in gas flow direction, and thickness reduces gradually.
5. according to the arbitrary described plumb joint lens protecting device of claim 1-4; it is characterized in that; described plumb joint lens protecting device also comprises gas pressure regulating apparatus; described gas pressure regulating apparatus comprises pressure-regulating valve (5), and the pipeline (6) that gas pressure regulating apparatus is connected with gradual-enlargement type nozzle is provided with stop valve (7) and Pressure gauge (8) successively along airintake direction.
6., according to the arbitrary described plumb joint lens protecting device of claim 1-4, it is characterized in that, described Compressed Gas is compressed air, compressed nitrogen or compressed helium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086695.4A CN104668771A (en) | 2015-02-25 | 2015-02-25 | Protecting device for welding joint lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086695.4A CN104668771A (en) | 2015-02-25 | 2015-02-25 | Protecting device for welding joint lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104668771A true CN104668771A (en) | 2015-06-03 |
Family
ID=53304638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510086695.4A Pending CN104668771A (en) | 2015-02-25 | 2015-02-25 | Protecting device for welding joint lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104668771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471974A (en) * | 2020-11-13 | 2022-05-13 | 上海发那科机器人有限公司 | Uniform-jet-flow wide-width nozzle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05228681A (en) * | 1992-02-21 | 1993-09-07 | Sumitomo Metal Ind Ltd | Laser welding method and cooling head used for this method |
| US5313042A (en) * | 1991-06-07 | 1994-05-17 | Nissan Motor Co., Ltd | Laser hardening device |
| US20070012669A1 (en) * | 2005-07-15 | 2007-01-18 | Fanuc Ltd. | Laser processing head |
| CN202238364U (en) * | 2011-09-14 | 2012-05-30 | 鞍钢集团矿业公司 | Underground wet dust removal nozzle |
| CN202460863U (en) * | 2012-02-29 | 2012-10-03 | 湖北图新材料科技有限公司 | Duckbilled air nozzle for BOPET (polyester film) casting sheet edge blowing |
| EP2564977A2 (en) * | 2011-08-30 | 2013-03-06 | Mobil-mark GmbH | Laser processing device |
| CN204639428U (en) * | 2015-02-25 | 2015-09-16 | 昆山宝锦激光拼焊有限公司 | A kind of plumb joint lens protecting device |
-
2015
- 2015-02-25 CN CN201510086695.4A patent/CN104668771A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5313042A (en) * | 1991-06-07 | 1994-05-17 | Nissan Motor Co., Ltd | Laser hardening device |
| JPH05228681A (en) * | 1992-02-21 | 1993-09-07 | Sumitomo Metal Ind Ltd | Laser welding method and cooling head used for this method |
| US20070012669A1 (en) * | 2005-07-15 | 2007-01-18 | Fanuc Ltd. | Laser processing head |
| EP2564977A2 (en) * | 2011-08-30 | 2013-03-06 | Mobil-mark GmbH | Laser processing device |
| CN202238364U (en) * | 2011-09-14 | 2012-05-30 | 鞍钢集团矿业公司 | Underground wet dust removal nozzle |
| CN202460863U (en) * | 2012-02-29 | 2012-10-03 | 湖北图新材料科技有限公司 | Duckbilled air nozzle for BOPET (polyester film) casting sheet edge blowing |
| CN204639428U (en) * | 2015-02-25 | 2015-09-16 | 昆山宝锦激光拼焊有限公司 | A kind of plumb joint lens protecting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471974A (en) * | 2020-11-13 | 2022-05-13 | 上海发那科机器人有限公司 | Uniform-jet-flow wide-width nozzle |
| CN114471974B (en) * | 2020-11-13 | 2024-04-16 | 上海发那科机器人有限公司 | Uniform jet wide nozzle |
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Application publication date: 20150603 |