阅读说明：本技术 船用风帆激光焊接设备及其控制方法 (Marine sail laser welding equipment and control method thereof ) 是由 祝义民 马英华 顾红星 杨建明 齐先庆 成健 张冲 杨潇博 张连山 刘明双 于 2020-05-28 设计创作，主要内容包括：本发明属于焊接处理技术领域,具体涉及一种船用风帆激光焊接设备及其控制方法。包括激光焊枪,所述激光焊枪的前端套装导流枪套,所述导流枪套包括内套、外套、内套及外套形成的导流腔,外套开设进水口及出水口,所述进水口连接进水通道,出水口连接出水通道。本发明提供船用风帆激光焊接设备及其控制方法,其为结构简单、使用方便、安全可靠、适用温度范围广、效率高,适合于恶劣环境的船用风帆焊接设备。(The invention belongs to the technical field of welding treatment, and particularly relates to a laser welding device for a marine sail and a control method thereof. The laser welding gun comprises a laser welding gun body, wherein a flow guide gun sleeve is sleeved at the front end of the laser welding gun body and comprises an inner sleeve, an outer sleeve, an inner sleeve and a flow guide cavity formed by the outer sleeve, a water inlet and a water outlet are formed in the outer sleeve, the water inlet is connected with a water inlet channel, and the water outlet is connected with a water outlet channel. The invention provides a marine sail laser welding device and a control method thereof, and the marine sail laser welding device is simple in structure, convenient to use, safe, reliable, wide in application temperature range, high in efficiency and suitable for severe environments.)

1. Marine sail laser welding equipment, its characterized in that: the laser welding gun comprises a laser welding gun body, wherein a flow guide gun sleeve is sleeved at the front end of the laser welding gun body and comprises an inner sleeve, an outer sleeve, an inner sleeve and a flow guide cavity formed by the outer sleeve, a water inlet and a water outlet are formed in the outer sleeve, the water inlet is connected with a water inlet channel, and the water outlet is connected with a water outlet channel.

2. The laser welding apparatus for sails for boats as defined in claim 1, wherein: the diversion gun case is fixed 50mm behind the welding nozzle of the laser welding gun.

3. The laser welding apparatus for sails for boats as defined in claim 1, wherein: the flow guide cavity is a spiral water channel which is arranged from the end far away from the welding nozzle to the end close to the welding nozzle.

4. The laser welding apparatus for sails for boats as defined in claim 1, wherein: the outer side of the inner sleeve of the flow guide gun sleeve is provided with a spiral groove, and the spiral groove and the inner side of the outer sleeve form a flow guide cavity.

5. The laser welding apparatus for sails for boats as defined in claim 1, wherein: the flow guide gun sleeve further comprises a reducing sleeve, and the reducing sleeve is arranged on the inner side of the inner sleeve of the flow guide gun sleeve.

6. The laser welding apparatus for sails for boats as defined in claim 1, wherein: the laser welding equipment for the marine sail further comprises a laser, a temperature sensor, a water cooling system, a heating system, a main cabinet and a control system; a laser, a temperature sensor, a control system, a water cooling system and a heating system are arranged in the main cabinet; the temperature sensor is arranged close to the laser, and is connected with the control system, and the control system is respectively connected with the water cooling system and the heating system.

7. The laser welding apparatus for sails for boats as defined in claim 1, wherein: the water cooling system is an industrial water chiller, and a water tank of the industrial water chiller is connected to the water inlet channel; the heating system is an air electric heater.

8. The laser welding apparatus for sails for boats as defined in claim 1, wherein: the temperature sensor is a thermocouple sensor.

9. The control method of the marine sail laser welding equipment is characterized by comprising the following steps:

the method comprises the following steps: a power switch is switched on by a power line of the host machine, and the temperature sensor is started;

step two: according to the influence of the external environment temperature, when the temperature sensor detects that the temperature of the laser is lower than or higher than a certain value, a signal is sent to the control system, then the control system sends an instruction to the water cooling system or the heating system, when the internal environment temperature of the cabinet reaches above a standard temperature, the laser power-on button is pressed, and the power-on button indicator light is turned on;

step three: pressing a laser high-pressure button, enabling a laser to be ready, opening a gas control valve, regulating gas flow and regulating power;

step four: pressing a safety button, lighting a safety button lamp, pressing a guide light indicating button, aligning a gun head to a required welding position, conducting gas when a trigger is pulled, conducting a laser to emit light, and starting welding;

the fifth step: in the welding process, a flow guide gun sleeve at the front end of the laser welding gun performs water circulation, and water flows rotationally and circularly in the flow guide cavity.

10. The control method of the laser welding equipment for the marine sail according to claim 8, characterized in that: the standard temperature is 10-30 ℃.

Technical Field

The invention belongs to the technical field of welding treatment, and particularly relates to a laser welding device for a marine sail and a control method thereof.

Background

In the 21 st century, laser welding has been rapidly developed, and with the continuous expansion of applications, the laser welding technology needs to be developed and perfected to meet the practical requirements. The laser welding is as follows: the material is melted with a laser beam of lower power than in the cutting technique and becomes a continuous solid body after cooling. The laser welding has the advantages of concentrated energy density, high welding speed, small deformation of the welded piece, almost no connecting gap, more beautiful appearance after welding than the traditional welding, and insufficient penetration of the laser welding process, and is just suitable for the marine sail thin plate material. Present laser-beam welding machine all can weld the welding piece outside being in the workstation, but still have the limitation to the application scope of temperature, work efficiency under high temperature or low temperature environment is very low, when the welding, the partial radiation of laser can make welder partial temperature very high, there is the potential safety hazard when the staff carries out the work, be unfavorable for lasting work, simultaneously, along with welded going on, the welding can continuously heat up, can face the shut down when reacing a certain temperature, influence the welded going on, can not satisfy actual welded demand.

In conclusion, developing a welding device for a sail for a ship, which has a simple structure, is convenient to use, is safe and reliable, has a wide applicable temperature range and high efficiency, and is suitable for being applied to a ship under severe environments, is a technical problem to be solved urgently by researchers at present.

Disclosure of Invention

In view of the defects in the background art, the invention provides the laser welding equipment for the marine sail and the control method thereof, and the laser welding equipment for the marine sail is simple in structure, convenient to use, safe, reliable, wide in applicable temperature range, high in efficiency and suitable for severe environments.

In order to achieve the purpose, the technical scheme adopted by the invention is that the laser welding equipment for the sail of the ship comprises a laser welding gun, wherein a flow guide gun sleeve is added at the front end of the laser welding gun, the flow guide gun sleeve comprises an inner sleeve, an outer sleeve, a flow guide cavity formed by the inner sleeve and the outer sleeve, the outer sleeve is provided with a water inlet and a water outlet, the water inlet is connected with a water inlet channel, and the water outlet is connected with a water outlet channel.

Preferably, the flow guide gun sleeve is fixed 50mm behind a welding nozzle of the laser welding gun.

Preferably, the flow guide cavity is a spiral water channel arranged from the end far away from the welding mouth to the end close to the welding mouth.

Furthermore, the outer side of the inner sleeve of the flow guide gun sleeve is provided with a spiral groove, and the spiral groove and the inner side of the outer sleeve form a flow guide cavity.

Based on the technical scheme, in the process of external environment influence and welding, the compression type laser welding gun is stronger in environmental adaptability, the welding gun head is very close to the light-emitting position in the welding process, the front end part of the welding gun head can absorb laser radiation energy or reflection energy to cause the temperature of the welding gun head to be too high, at the moment, the hands of workers can be scalded, the welding processing effect can be influenced, the machine halt can be caused or optical components and parts can be damaged even in serious cases, the gun sleeve of the flow guide device is additionally arranged at the front end of the welding gun head in the compression type laser welding gun, and the size of the flow guide cavity can be changed by replacing gun sleeves of different specifications. Under the guide of the diversion cavity, water flows in from the water inlet channel at a certain speed, flows forwards along the inner sleeve of the gun sleeve, rotates for a circle around the gun sleeve, and then flows out from the water outlet channel to form stable water circulation, and heat at the front end is taken away through water cooling circulation, so that the temperature of the welding gun is reduced, the normal use of optical components in the compression type laser welding gun is effectively ensured, the normal operation of laser welding is ensured, and the occurrence of personnel accidents is avoided.

Furthermore, the flow guide gun sleeve further comprises a reducing sleeve, and the reducing sleeve is arranged on the inner side of the inner sleeve of the flow guide gun sleeve.

Further, the laser welding equipment for the marine sail further comprises a laser, a temperature sensor, a water cooling system, a heating system, a main cabinet and a control system; a laser, a temperature sensor, a control system, a water cooling system and a heating system are arranged in the main cabinet; the temperature sensor is arranged close to the laser, and is connected with the control system, and the control system is respectively connected with the water cooling system and the heating system.

Preferably, the water cooling system is an industrial water chiller, and a water tank of the industrial water chiller is connected to the water inlet channel; the heating system is an air electric heater.

Preferably, the temperature sensor is a thermocouple sensor.

Based on the technical scheme, the laser welding equipment with the environmental suitability for the marine sail can be used for laser welding on the marine sail, and can ensure that the temperature of a laser and a welding gun is within a safety value through a water cooling system and a heating system, ensure that the laser emits light normally, improve the welding quality and efficiency, avoid the damage of the laser and prolong the service life of the laser.

Furthermore, the front end of the laser welding gun comprises a ventilating welding nozzle, the air inlet pipe is provided with an air inlet channel, air is exhausted from a small hole in the front end of the welding nozzle, and the air control valve is locked on the air inlet pipe.

Based on above-mentioned technical scheme, because pressing mode laser welder is nearer from the weldment distance, welds the cigarette welding slag and blocks up the welding nozzle easily at the welded in-process, causes gaseous not to circulate, and welding front end thermal stability is relatively poor, the front end increases the welding nozzle of ventilating among the pressing mode laser welder, and welding nozzle front end aperture is the venthole, and at the during operation, the cover gas gets into pressing mode laser welder from the intake pipe of gas control valve locking in, flows from the venthole, and inside stable gas circulation passageway that forms has effectively protected welding cigarette welding slag to get into laser welder when the cooling.

On the other hand, the invention provides a control method of a laser welding device for a ship sail, which comprises the following specific steps,

the method comprises the following steps: a power switch is switched on by a power line of the host machine, and the temperature sensor is started;

step two: according to the influence of the external environment temperature, when the temperature sensor detects that the temperature of the laser is lower than or higher than a certain value, a signal is sent to the control system, then the control system sends an instruction to the water cooling system or the heating system, when the internal environment temperature of the main cabinet reaches above a standard temperature, the laser power-on button is pressed, and the power-on button indicator light is turned on;

step three: pressing a laser high-pressure button, enabling a laser to be ready, opening a gas control valve, regulating gas flow and regulating power;

step four: pressing a safety button, lighting a safety button lamp, pressing a guide light indicating button, aligning a gun head to a required welding position, conducting gas when a trigger is pulled, conducting a laser to emit light, and starting welding;

the fifth step: in the welding process, a flow guide gun sleeve at the front end of the laser welding gun performs water circulation, and water flows rotationally and circularly in the flow guide cavity.

Preferably, the standard temperature is 10-30 ℃.

Based on the technical scheme, a water cooling system or a heating system is added to the ship sail environment-adaptive laser welding equipment. The temperature of the external environment is high, the temperature of the laser is increased due to laser radiation heat in the welding process, at the moment, the temperature sensor detects that the temperature reaches a critical value, information is transmitted to the control system, the control system sends an instruction to the water cooling system, the water cooling system carries out refrigeration, the temperature of the laser is guaranteed to be within a safe temperature value, and therefore normal welding is guaranteed.

When external environment temperature crosses lowly, can influence the normal light-emitting of laser instrument, influence welded effect and efficiency then, for guaranteeing to weld the operation of safe efficient, need guarantee the temperature of laser instrument is under normal temperature range, at this moment heating module just need work among the heating system, at first temperature sensor detects the temperature and is less than a definite value, gives signal transmission control system, again by control system sends the instruction to heating system, heating module heats among the heating system guarantees the laser instrument heaies up, makes the temperature reach normal light-emitting scope.

The invention has the beneficial effects that: simple structure, convenient to use, it is safe high-efficient, satisfy the operating condition environmental requirement.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a compact laser welding gun according to the present invention;

fig. 3 is a cross-sectional view of a holster (diversion holster) of the diversion device of the present invention;

fig. 4 is a view of the holster (diversion holster) of the diversion device of the present invention;

FIG. 5 is a first control schematic of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

FIG. 7 is an enlarged view of a portion of FIG. 5 at B;

FIG. 8 is an enlarged view of a portion of FIG. 5 at C;

FIG. 9 is a second control schematic of the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 9 at C;

FIG. 11 is an enlarged view of a portion of FIG. 9 at D;

FIG. 12 is a third control schematic of the present invention;

FIG. 13 is an enlarged view of a portion of FIG. 12 at E;

FIG. 14 is an enlarged view of a portion of FIG. 12 at F;

FIG. 15 is a fourth control schematic of the present invention;

FIG. 16 is an enlarged view of a portion of FIG. 15 taken at G;

FIG. 17 is an enlarged view of a portion of FIG. 15 at H;

FIG. 18 is a fifth control schematic of the present invention;

FIG. 19 is a sixth control schematic of the present invention;

FIG. 20 is a seventh control schematic of the present invention;

FIG. 21 is an enlarged view of a portion of FIG. 20 taken at J;

FIG. 22 is an enlarged view of a portion of FIG. 20 at K;

FIG. 23 is an eighth control schematic of the present invention;

FIG. 24 is an enlarged view of a portion of FIG. 23 at L;

FIG. 25 is an enlarged view of a portion of FIG. 23 at M;

FIG. 26 is an enlarged view of a portion of FIG. 23 at M;

in the figure: 1. the laser, 2, water cooling system, 3, heating system, 4, control system, 5, main cabinet, 6, optic fibre, 7, pressing mode laser welding rifle, 14, temperature sensor, 8, rings, 9, water conservancy diversion gun case, 9.1, endotheca, 9.2, overcoat, 9.3, water conservancy diversion chamber, 9.4, inhalant canal, 9.5, play water passageway, 9.6, water inlet, 9.7, the delivery port, 10, welding mouth, 11, trigger, 12, power adjust knob, 13, safety button, 14, protection gas pipeline connects.

Detailed Description