CN204639428U - A kind of plumb joint lens protecting device - Google Patents
A kind of plumb joint lens protecting device Download PDFInfo
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- CN204639428U CN204639428U CN201520115077.3U CN201520115077U CN204639428U CN 204639428 U CN204639428 U CN 204639428U CN 201520115077 U CN201520115077 U CN 201520115077U CN 204639428 U CN204639428 U CN 204639428U
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- plumb joint
- gas
- air inlet
- gas outlet
- protecting device
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Abstract
The utility model discloses a kind of plumb joint lens protecting device, relate to laser welding technology field.This plumb joint lens protecting device comprises 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 communicating passage to be communicated with gas outlet by corresponding air inlet, the area of the cross section of described communicating 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.The plumb joint lens protecting device that the utility model proposes, the flue gas that plumb joint eyeglass can be protected to produce from welding, the pollution of welding slag, the equipment use efficiency of welding machine is improved, and production stability improves.
Description
Technical field
The utility model relates to laser welding technology field, particularly relates 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.
Utility model content
The purpose of this utility model is to propose a kind of plumb joint lens protecting device, and 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 utility model 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 communicating passage to be communicated with gas outlet by corresponding air inlet, the area of the cross section of described communicating 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 communicating 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 communicating 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.
The beneficial effects of the utility model:
The plumb joint lens protecting device that the utility model provides, 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 communicating 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, 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 utility model embodiment 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 utility model embodiment 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 the gas pressure regulating apparatus that the utility model provides.
Wherein, 11, nozzle body; 12, gas outlet; 13, air inlet; 14, communicating passage;
21, nozzle body; 22, gas outlet; 23, air inlet; 24, communicating passage;
5, pressure-regulating valve; 6, pipeline; 7, Pressure gauge; 8, stop valve.
Detailed description of the invention
The technical solution of the utility model 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 utility model specific embodiment 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 communicating passage 14 to be communicated with gas outlet 12 by corresponding air inlet 13, the area of the cross section of communicating 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 communicating passage 14 and gradual-enlargement type nozzle, the width of communicating passage 14 is constant, its thickness reduces gradually along gas circulating direction.Angle can also be there is in communicating 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 communicating passage 24 to be communicated with gas outlet 22 by air inlet 23, the area of the cross section of communicating 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 preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Claims (6)
1. a plumb joint lens protecting device; it is characterized in that; 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, has corresponding communicating passage to be communicated with gas outlet by corresponding air inlet in nozzle body.
2. plumb joint lens protecting device according to claim 1, is characterized in that, the number of described air inlet is at least two, and distance between adjacent air inlet is identical, and the width of described communicating passage 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 is identical.
4. plumb joint lens protecting device according to claim 1; it is characterized in that, the number of described air inlet and gas outlet is one, and described nozzle body is communicated with by the communicating passage of its inside; described communicating passage 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, 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.
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 |
|---|---|---|---|
| CN201520115077.3U CN204639428U (en) | 2015-02-25 | 2015-02-25 | A kind of plumb joint lens protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115077.3U CN204639428U (en) | 2015-02-25 | 2015-02-25 | A kind of plumb joint lens protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204639428U true CN204639428U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520115077.3U Active CN204639428U (en) | 2015-02-25 | 2015-02-25 | A kind of plumb joint lens protecting device |
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| CN (1) | CN204639428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668771A (en) * | 2015-02-25 | 2015-06-03 | 昆山宝锦激光拼焊有限公司 | Protecting device for welding joint lens |
-
2015
- 2015-02-25 CN CN201520115077.3U patent/CN204639428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668771A (en) * | 2015-02-25 | 2015-06-03 | 昆山宝锦激光拼焊有限公司 | Protecting device for welding joint lens |
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