CN112122807A - Annular nozzle for laser and method thereof - Google Patents
Annular nozzle for laser and method thereof Download PDFInfo
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- CN112122807A CN112122807A CN202010999440.8A CN202010999440A CN112122807A CN 112122807 A CN112122807 A CN 112122807A CN 202010999440 A CN202010999440 A CN 202010999440A CN 112122807 A CN112122807 A CN 112122807A
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- laser
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- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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Abstract
The invention provides an annular nozzle for a laser, which comprises a positioning adjusting sleeve, a forming sleeve, an adjusting mechanism and a control circuit, wherein the lower end surface of the positioning adjusting sleeve is coated outside the upper end surface of the forming sleeve through a connecting groove, at least three guide grooves uniformly distributed around the optical axis of a laser head are arranged in the side walls of the positioning adjusting sleeve and the forming sleeve, the adjusting mechanism which is coaxially distributed with the guide grooves is arranged in the guide grooves of the positioning adjusting sleeve, and the adjusting mechanism comprises a guide pipe, a bearing spring, an elastic diaphragm, a piston plate, a foam remover and a pressure sensor. The using method comprises two steps of equipment assembly, laser operation and the like. The invention can effectively meet the requirements of synchronous matched operation with lasers with various structural types on one hand and can also effectively meet the requirements of various laser welding, cutting and pyrolysis operations on the other hand; on the other hand, the monitoring and control precision of the laser processing operation is greatly improved, and the automation degree of the operation is effectively improved.
Description
Technical Field
The invention relates to an annular nozzle for a laser and a using method thereof, belonging to the technical field of laser processing equipment.
Background
At present, most of domestic large and medium-sized coking enterprises adopt a wet oxidation process technology to carry out gas desulfurization, and a large amount of desulfurization waste liquid is produced in the process. How to carry out resource and harmless treatment on the part of waste liquid becomes a difficult problem for the majority of coking enterprises. Among the various treatment methods, the present invention is directed to a process and method for pyrolysis of waste streams. In the waste liquid pyrolysis treatment process, the nozzle is an essential key part, and the quality and the structure of the nozzle, particularly the spray liquid matched with pyrolysis and the atomization degree directly influence the effect of pyrolysis reaction. Most of the traditional nozzles are fixed nozzles in the operation process, and the jet flow can not be adjusted or the adjustable flow is not large. When the pyrolysis temperature is undulant, when rising promptly, the waste liquid volume that the pyrolysis needs does not increase thereupon, has reduced pyrolysis efficiency, causes the heat waste, and when the pyrolysis temperature reduced, the waste liquid volume that sprays did not reduce thereupon, causes the waste liquid that can not handle to gather, influences system normal operating.
Therefore, a nozzle capable of self-regulating flow rate under the conditions of certain effect and high temperature resistance is urgently needed to meet the requirements of practical use.
Disclosure of Invention
The invention aims to provide the annular nozzle for the laser and the method thereof, which can effectively meet the requirement of synchronous matched operation with lasers with various structural types; on the other hand, the monitoring and control precision of the laser processing operation is greatly improved, so that the labor intensity and the cost of the operation are effectively reduced while the laser processing operation precision is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
an annular nozzle for laser is composed of a cylindrical hollow tubular structure, a locating regulating sleeve consisting of guide tube, bearing spring, elastic membrane, piston plate, foam remover and pressure sensor, a shaping sleeve with at least three guide slots uniformly distributed around the optical axis of laser head, connecting slots at lower end surface of said sleeve and sliding connected with said sleeve, a regulating mechanism consisting of guide tube, bearing spring, elastic membrane, piston plate, foam remover and pressure sensor, a temp sensor and a control circuit, the elastic diaphragms are embedded in the diversion trenches and uniformly distributed around the axes of the diversion trenches, the upper surfaces of the elastic diaphragms and the axes of the diversion trenches form included angles of 0-90 degrees, the diversion trenches are divided into an upper diaphragm chamber and a lower diaphragm chamber from top to bottom, at least one demister is arranged in the lower diaphragm chamber, at least two bearing springs are embedded in the upper diaphragm chamber and uniformly distributed around the axes of the upper diaphragm chamber, the piston plate is embedded in the upper diaphragm chamber and is in sliding connection with the side wall of the upper diaphragm chamber, the upper end face of the piston plate is connected with the lower end face of the bearing springs, the upper end face of the bearing springs are positioned outside the upper end face of the positioning adjusting sleeve and are connected with pressure sensors, the number of the pressure sensors is consistent with the number of the bearing springs, the pressure sensors are connected with the upper end face of the positioning adjusting sleeve and are electrically connected with a.
Furthermore, the height of the contact surface of the positioning adjusting sleeve and the forming sleeve is 5-20 mm, and an elastic sealing ring is arranged at the contact surface.
Furthermore, the inner diameter of the lower end face of the forming sleeve is at least 1.5 times of the diameter of the laser beam of the laser head.
Further, at least three vent is established to the side in the location adjustment cover, all establishes ties through the honeycomb duct between each vent, just the vent axis is 0-60 contained angle with the laser head optical axis, and when vent axis and laser head optical axis contained angle were greater than 0, the vent axis intersects with the laser head optical axis, and the nodical position is terminal surface below under the forming sleeve to the terminal surface interval is 0-10 centimetres under with the forming sleeve.
Further, a plurality of drainage grooves of positioning adjustment cover, shaping cover internal surface equipartition, the drainage groove encircles laser head optical axis equipartition, and the drainage groove be with positioning adjustment cover, shaping cover internal surface parallel distribution's sharp groove-shaped structure and encircle the laser head optical axis and be arbitrary one of the heliciform helicla flute that the heliciform structure distributes.
Furthermore, the control circuit is a circuit system based on an industrial single chip microcomputer, and a serial port communication device is additionally arranged on the control circuit.
Furthermore, in the diversion trench, the inner diameter of the lower end face of the diversion trench is 1.1-2.5 times of the inner diameter of the upper end face.
A method of using an annular nozzle for a laser, comprising the steps of:
s1, assembling equipment, namely, assembling a positioning adjusting sleeve, a forming sleeve, an adjusting mechanism, a temperature sensor and a control circuit which form the invention, then coating the assembled invention outside a laser head of the laser through the positioning adjusting sleeve and distributing the same with the laser head coaxially, then electrically connecting the control circuit of the invention with a driving and controlling circuit of the laser, communicating a diversion trench of the invention with an external fusion welding agent supply system through a port at the end surface of the positioning adjusting sleeve, and communicating a vent of the positioning adjusting sleeve with an external shielding gas source through a diversion pipe, thus completing the assembly of the invention.
And S2, operating the laser, after the step S1 is completed, firstly driving an external shielding gas source to operate, enabling the shielding gas to sequentially pass through the positioning adjusting sleeve and the forming sleeve from top to bottom on a flow guide line of the vent, guiding the air flow by the flow guide grooves on the inner surfaces of the positioning adjusting sleeve and the forming sleeve, and then simultaneously driving the laser and an external fusion welding agent supply system to operate, so that the laser beam of the laser irradiates on a processing operation surface, and the fusion welding agent is synchronously coated on the processing operation surface along with the laser beam, thereby completing the laser processing operation.
Further, in the step S2, when performing laser processing operation, on one hand, the temperature sensor is used to accurately detect the temperature of the processing operation, and the laser operation power and the flow rate and temperature of the external shielding gas source gas are adjusted according to the detected temperature; the other method detects the supply pressure of the flux by the pressure sensor of the adjustment mechanism, thereby accurately adjusting the supply amount of the flux.
On one hand, the laser cutting device is simple in structure and good in universality, can effectively meet the requirement of synchronous matched operation with lasers with various structural types, can also effectively meet the requirements of various laser welding, cutting and pyrolysis operations, and is good in use flexibility and universality; on the other hand, the monitoring and control precision of the laser processing operation is greatly improved, and the automation degree of the operation is effectively improved, so that the labor intensity and the cost of the operation are effectively reduced while the laser processing operation precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of an adjustment mechanism;
FIG. 3 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, an annular nozzle for a laser, including positioning adjustment sleeve 1, forming sleeve 2, adjusting mechanism 3, temperature sensor 4 and control circuit 5, wherein positioning adjustment sleeve 1 is a cylindrical hollow tubular structure, the upper end surface thereof is coated outside laser head 6 and is distributed coaxially with laser head 6, the lower end surface is provided with connecting groove 7, and is coated outside the upper end surface of forming sleeve 2 through connecting groove 7, and is connected with forming sleeve 2 in a sliding manner, forming sleeve 2 is a hollow platform-shaped structure with an isosceles trapezoid axial section, positioning adjustment sleeve 1, at least three guiding grooves 8 uniformly distributed around the optical axis of laser head 6 are arranged in the side wall of forming sleeve 2, and positioning adjustment sleeve 1, guiding grooves 8 of forming sleeve 2 are mutually communicated and coaxially distributed, another adjusting mechanism 3 coaxially distributed with guiding grooves 8 is arranged in guiding grooves 8 of positioning adjustment sleeve 1.
In this embodiment, the adjusting mechanism 3 includes a guide tube 31, a bearing spring 32, a plurality of elastic diaphragms 33, a piston plate 34, foam removers 35 and a pressure sensor 36, the guide tube 31 is communicated with the upper end surface of the diversion trench and coaxially distributed, the elastic diaphragms 33 are embedded in the diversion trench 8 and uniformly distributed around the axis of the diversion trench 8, the upper surface of the elastic diaphragm 33 forms an included angle of 0-90 degrees with the axis of the diversion trench 8, and divides the diversion trench 8 into an upper film chamber 101 and a lower film chamber 102 from top to bottom, wherein at least one foam remover 35 is arranged in the lower film chamber 102, at least two bearing springs 32 are embedded in the upper film chamber 101 and uniformly distributed around the axis of the upper film chamber 101, the piston plate 34 is embedded in the upper film chamber 101 and slidably connected with the side wall of the upper film chamber 101, the upper end surface of the piston plate 34 is connected with the lower end surface of the bearing spring 32, the upper end surface of the bearing spring 32 is located outside the upper end surface of the positioning adjusting sleeve 1 and, the number of the pressure sensors 36 is the same as that of the bearing springs 32, the pressure sensors are connected with the upper end face of the positioning adjusting sleeve 1 and electrically connected with the control circuit 5, and at least one temperature sensor 4 is embedded in the inner side face of the forming sleeve 2 and electrically connected with the control circuit 5.
In this embodiment, the height of the contact surface between the positioning adjusting sleeve 1 and the forming sleeve 2 is 5-20 mm, and the contact surface is provided with an elastic sealing ring 9.
In this embodiment, the inner diameter of the lower end surface of the forming sleeve 2 is at least 1.5 times of the diameter of the laser beam of the laser head 6.
It is worth noting, 1 medial surface of location adjusting sleeve establishes at least three vent 10, all establishes ties through honeycomb duct 11 between each vent 10, just 11 axes of vent are 0-60 contained angles with 6 optical axes of laser head, and when 10 axes of vent and 6 optical axes contained angles of laser head were greater than 0, the vent axis intersected with 6 optical axes of laser head, and the nodical position is terminal surface below under the shaping cover 2 to the terminal surface interval is 0-10 centimetres under with shaping cover 2.
In addition, the positioning adjusting sleeve 1, the 2 internal surface equipartitions of forming sleeve a plurality of drainage grooves 12, drainage groove 12 encircles 6 optical axis equipartitions of laser head, and drainage groove 12 be with positioning adjusting sleeve 1, the 2 internal surface parallel distribution's of forming sleeve straight line groove-shaped structure and encircle the laser head 6 optical axis and be arbitrary one of the heliciform structure distribution's helicla flute.
Further preferably, the control circuit 5 is a circuit system based on an industrial single chip microcomputer, and the control circuit is additionally provided with a serial communication device.
It should be noted that, in the guiding groove 8, the inner diameter of the lower end surface of the guiding groove is 1.1 to 2.5 times of the inner diameter of the upper end surface.
A method of using an annular nozzle for a laser, comprising the steps of:
s1, assembling equipment, namely, assembling a positioning adjusting sleeve, a forming sleeve, an adjusting mechanism, a temperature sensor and a control circuit which form the invention, then coating the assembled invention outside a laser head of the laser through the positioning adjusting sleeve and distributing the same with the laser head coaxially, then electrically connecting the control circuit of the invention with a driving and controlling circuit of the laser, communicating a diversion trench of the invention with an external fusion welding agent supply system through a port at the end surface of the positioning adjusting sleeve, and communicating a vent of the positioning adjusting sleeve with an external shielding gas source through a diversion pipe, thus completing the assembly of the invention.
And S2, operating the laser, after the step S1 is completed, firstly driving an external shielding gas source to operate, enabling the shielding gas to sequentially pass through the positioning adjusting sleeve and the forming sleeve from top to bottom on a flow guide line of the vent, guiding the air flow by the flow guide grooves on the inner surfaces of the positioning adjusting sleeve and the forming sleeve, and then simultaneously driving the laser and an external fusion welding agent supply system to operate, so that the laser beam of the laser irradiates on a processing operation surface, and the fusion welding agent is synchronously coated on the processing operation surface along with the laser beam, thereby completing the laser processing operation.
In step S2, when performing laser processing operation, on one hand, the temperature sensor is used to accurately detect the temperature of the processing operation, and the laser operation power and the flow rate and temperature of the external shielding gas source gas are adjusted according to the detected temperature; the other method detects the supply pressure of the flux by the pressure sensor of the adjustment mechanism, thereby accurately adjusting the supply amount of the flux.
On one hand, the laser cutting device is simple in structure and good in universality, can effectively meet the requirement of synchronous matched operation with lasers with various structural types, can also effectively meet the requirements of various laser welding, cutting and pyrolysis operations, and is good in use flexibility and universality; on the other hand, the monitoring and control precision of the laser processing operation is greatly improved, and the automation degree of the operation is effectively improved, so that the labor intensity and the cost of the operation are effectively reduced while the laser processing operation precision is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An annular nozzle for a laser, comprising: the awakening nozzle for the laser comprises a positioning adjusting sleeve, a forming sleeve, an adjusting mechanism, a temperature sensor and a control circuit, wherein the positioning adjusting sleeve is of a columnar hollow tubular structure, the upper end face of the positioning adjusting sleeve is coated outside the laser head and is coaxially distributed with the laser head, the lower end face of the positioning adjusting sleeve is provided with a connecting groove, the upper end face of the positioning adjusting sleeve is coated outside the forming sleeve and is in sliding connection with the forming sleeve, the forming sleeve is of a hollow platform-shaped structure with an isosceles trapezoid axial section, at least three diversion trenches uniformly distributed around the optical axis of the laser head are formed in the side walls of the positioning adjusting sleeve and the forming sleeve, the diversion trenches of the positioning adjusting sleeve and the forming sleeve are mutually communicated and are coaxially distributed, the adjusting mechanism coaxially distributed with the diversion trenches is additionally arranged in the diversion trench of the positioning adjusting sleeve, and comprises a guide pipe, a bearing spring, an elastic membrane, a piston plate, the guide pipe is communicated with the upper end face of the guide groove and is coaxially distributed, the elastic membranes are a plurality of and are embedded in the guide groove and are uniformly distributed around the axis of the guide groove, the upper surface of each elastic membrane forms an included angle of 0-90 degrees with the axis of the guide groove, the guide groove is divided into an upper membrane chamber and a lower membrane chamber from top to bottom, at least one demister is arranged in the lower membrane chamber, at least two bearing springs are embedded in the upper membrane chamber and are uniformly distributed around the axis of the upper membrane chamber, the piston plate is embedded in the upper membrane chamber and is in sliding connection with the side wall of the upper membrane chamber, the upper end face of the piston plate is connected with the lower end face of each bearing spring, the upper end face of each bearing spring is positioned outside the upper end face of the positioning adjusting sleeve and is connected with the pressure sensors, the number of the pressure sensors is consistent with the number of the bearing springs, the pressure sensors are connected with the, embedded in the inner side surface of the forming sleeve and electrically connected with the control circuit.
2. The annular nozzle for a laser according to claim 1, wherein: the height of the contact surface of the positioning adjusting sleeve and the forming sleeve is 5-20 mm, and an elastic sealing ring is arranged at the contact surface.
3. The annular nozzle for a laser according to claim 2, wherein: the inner diameter of the lower end face of the forming sleeve is at least 1.5 times of the diameter of a laser beam of the laser head.
4. The annular nozzle for a laser according to claim 1, wherein: at least three vent is established to the side in the location adjustment cover, all establishes ties through the honeycomb duct between each vent, just the vent axis is 0-60 contained angle with the laser head optical axis, and when vent axis and laser head optical axis contained angle were greater than 0, the vent axis intersects with the laser head optical axis, and the nodical position is terminal surface below under the shaping cover to with the shaping cover interval between the terminal surface be 0-10 centimetres under.
5. The annular nozzle for a laser according to claim 1, wherein: the positioning adjusting sleeve, a plurality of drainage grooves of shaping cover internal surface equipartition, the drainage groove encircles laser head optical axis equipartition, and the drainage groove be with positioning adjusting sleeve, shaping cover internal surface parallel distribution's sharp groove-shaped structure and encircle the laser head optical axis and be arbitrary one of the heliciform helicla flute that the heliciform structure distributes.
6. The annular nozzle for a laser according to claim 1, wherein: the control circuit is a circuit system based on an industrial single chip microcomputer, and a serial port communication device is additionally arranged on the control circuit.
7. The annular nozzle for a laser according to claim 1, wherein: in the diversion trench, the inner diameter of the lower end face of the diversion trench is 1.1-2.5 times of the inner diameter of the upper end face.
8. A method for using an annular nozzle for a laser is characterized in that: the using method of the generator set storage battery charging redundancy system comprises the following steps:
s1, assembling equipment, namely, assembling a positioning adjusting sleeve, a forming sleeve, an adjusting mechanism, a temperature sensor and a control circuit which form the invention, then coating the assembled invention outside a laser head of the laser through the positioning adjusting sleeve and distributing the same with the laser head coaxially, then electrically connecting the control circuit of the invention with a driving and controlling circuit of the laser, communicating a diversion trench of the invention with an external fusion welding agent supply system through a port at the position of the upper end surface of the positioning adjusting sleeve, and communicating a vent of the positioning adjusting sleeve with an external protective gas source through a diversion pipe, thus finishing the assembly of the invention:
and S2, operating the laser, after the step S1 is completed, firstly driving an external shielding gas source to operate, enabling the shielding gas to sequentially pass through the positioning adjusting sleeve and the forming sleeve from top to bottom on a flow guide line of the vent, guiding the air flow by the flow guide grooves on the inner surfaces of the positioning adjusting sleeve and the forming sleeve, and then simultaneously driving the laser and an external fusion welding agent supply system to operate, so that the laser beam of the laser irradiates on a processing operation surface, and the fusion welding agent is synchronously coated on the processing operation surface along with the laser beam, thereby completing the laser processing operation.
9. The method of using the annular nozzle for a laser as claimed in claim 1, wherein: in the step S2, when performing laser processing operation, on one hand, the temperature sensor is used to accurately detect the temperature of the processing operation, and the laser operation power and the flow and temperature of the external shielding gas source gas are adjusted according to the detected temperature; the other method detects the supply pressure of the flux by the pressure sensor of the adjustment mechanism, thereby accurately adjusting the supply amount of the flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999440.8A CN112122807B (en) | 2020-09-22 | 2020-09-22 | Annular nozzle for laser and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999440.8A CN112122807B (en) | 2020-09-22 | 2020-09-22 | Annular nozzle for laser and using method thereof |
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| Publication Number | Publication Date |
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| CN112122807A true CN112122807A (en) | 2020-12-25 |
| CN112122807B CN112122807B (en) | 2022-02-11 |
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| CN202010999440.8A Active CN112122807B (en) | 2020-09-22 | 2020-09-22 | Annular nozzle for laser and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114506946A (en) * | 2022-04-15 | 2022-05-17 | 深圳市世邦环境科技有限公司 | Closed-loop disinfection and deodorization device for volatile waste water body |
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| CN1106329A (en) * | 1993-10-21 | 1995-08-09 | 三菱电机株式会社 | Working head and laser working apparatus |
| CN2510502Y (en) * | 2001-10-18 | 2002-09-11 | 北京有色金属研究总院 | Laser coating coaxial powder-delivery nozzle |
| JP2005219060A (en) * | 2004-02-03 | 2005-08-18 | Toyota Motor Corp | Powder metal overlay nozzle |
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| Publication number | Publication date |
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| CN112122807B (en) | 2022-02-11 |
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