CN210937736U - Water cooling structure of high-power laser welding head - Google Patents

Abstract

The utility model discloses a water cooling structure of a high-power laser welding head, wherein laser enters a first light path channel, a second light path channel, a third light path channel, a fourth light path channel and a jet channel, a first water inlet channel and a first water outlet channel are positioned at one side of the first light path channel, a second water inlet channel and a second water outlet channel are positioned at one side of the second light path channel, a third water inlet channel and a third water outlet channel are positioned at one side of the third light path channel, a fourth water inlet channel and a fourth water outlet channel are positioned at one side of the fourth light path channel, cooling water enters from a water inlet interface and sequentially passes through the first water inlet channel, the second water inlet channel, the third water inlet channel, the fourth water outlet channel, the third water outlet channel, the second water outlet channel and the first water outlet channel, and flows out from a water outlet interface, and directly cools various parts and lenses, different modules are internally and serially connected into a water cooling system, the service life of the lens and the operation experience of an operator are ensured.

Description

Water cooling structure of high-power laser welding head

[ technical field ] A method for producing a semiconductor device

The utility model relates to a high power laser welder head's water-cooling structure indicates especially one kind and relates to the inside part and all carries out water-cooled high power laser welder head's water-cooling structure.

[ background of the invention ]

On the laser welding development history of optic fibre, along with the expansion in welding application field, welding demand is various on the market, evolves a large amount of soldered connections, and traditional soldered connection needs to be fixed on the welding board, and application range is restricted, and occupation space is big, and the quality is heavier, uses inconveniently, and the frock preparation is complicated.

With the adjustment of the price of the optical fiber laser in recent years, the optical fiber laser welding also enters an era of rapidly replacing the traditional welding, for example, the traditional welding mode has the advantages of small heat affected zone, small welding deformation, wider adaptability and the like because the argon arc welding is very hot, the affected zone is large, and the ozone content generated during the welding is higher and harmful to the human body. Therefore, the existence of the optical fiber laser hand-held welding head for replacing argon arc welding is urgently needed.

Present handheld optic fibre laser welder head all is the handle formula, does not possess the protection to operating personnel, and occupation space is bigger, probably has the problem when less work piece to the welding, and the staff need bear the whole weight of soldered connection and optic fibre, under long-time work, influences handheld soldered connection operator's operation experience, and under long-time work, handheld soldered connection can send out the life-span and the welding effect that scald influence operator's safety and influence the lens. Therefore, the handheld optical fiber laser welding head is not in accordance with the ergonomic design, and does not have full-body water cooling and long-time use, so that the service life of the lens and the operation experience of an operator are influenced.

In order to carry out the water-cooling to handheld fiber laser soldered connection, the trade also has personnel to set up a water cooling structure in handheld fiber laser soldered connection's outside, outer hanging water cooling structure promptly, transmit the cooling temperature of water cooling structure to the collimation fixing base earlier, conduct to the motor fixing base by the collimation fixing base again, then at last through motor fixing base indirect conduction to protective glass again for the protective glass can obtain the cooling, also be exactly the water-cooling between the different modules all establishes ties through the trachea in the outside, this kind of spaced cooling method, the effect is still very poor.

Therefore, there is a need to design a good water cooling structure for high power laser welding head to overcome the above problems.

[ Utility model ] content

To the problem that the background art faces, the utility model aims to provide a through all set up the passageway and supply water flow cooling in each part of high power laser welder head inside to it is good to reach the cooling effect, has guaranteed the life of lens and the high power laser welder head's that operator's operation was experienced water-cooling structure.

In order to achieve the above object, the utility model adopts the following technical means:

a water cooling structure of a high-power laser welding head comprises a collimation fixing seat and a reflection adapter seat which are connected with each other, wherein the collimation fixing seat is provided with a first light path channel, a first water inlet channel and a first water outlet channel which are arranged at intervals, laser enters the first light path channel, the first water inlet channel is connected with a water inlet interface, the first water outlet channel is connected with a water outlet interface, a collimation module is positioned in the first light path channel and provided with a collimation lens and a collimation protective lens, the collimation lens converts the laser into parallel light, the reflection adapter seat is provided with a second light path channel, a second water inlet channel and a second water outlet channel, the second light path channel is communicated with the first light path channel, the first water inlet channel is communicated with the second water inlet channel, and the first water outlet channel is communicated with the second water outlet channel, the reflection adapter is provided with a swinging and focusing module, a reflector and a focusing mirror are positioned in the second light path channel, the reflector reflects parallel light to the focusing mirror, the focusing mirror converts the reflected parallel light into convergent light, the second light path channel is provided with a connecting channel and an inclined channel which are arranged at an angle, the central line of the connecting channel and the central line of the first light path channel are positioned on the same straight line, the reflector and the focusing mirror are positioned at the corner positions of the connecting channel and the inclined channel, a motor fixing seat is arranged on the reflection adapter, the second water inlet channel and the second water outlet channel both partially pass through the motor fixing seat, a protective mirror mounting seat is connected with the reflection adapter, the protective mirror mounting seat is provided with a third light path channel, a third water inlet channel and a third water outlet channel, the third light path channel is communicated with the second light path channel, the central line of the inclined channel and the central line of the third light path channel are positioned on the same straight line, the second water inlet channel is communicated with the third water inlet channel, the second water outlet channel is communicated with the third water outlet channel, a protective mirror module is positioned in the protective mirror mounting seat, a water cooling seat is connected with the protective mirror mounting seat, the water cooling seat is provided with a fourth light path channel, a fourth water inlet channel and a fourth water outlet channel, the fourth light path channel is communicated with the third light path channel, the third water inlet channel is communicated with the fourth water inlet channel, the third water outlet channel is communicated with the fourth water outlet channel, the fourth water inlet channel and the fourth water outlet channel are directly communicated into an arc shape and are wound on the periphery of the fourth light path channel, a nozzle is connected with the water cooling seat, and the nozzle is provided with a spraying channel communicated with the fourth light path channel, the convergent light sees through protective glass module and entering fourth light path passageway, and certainly the injection passage blowout, water certainly the interface of intaking gets into and passes through in proper order first inhalant canal the second inhalant canal third inhalant canal the fourth inhalant canal fourth water outlet channel the third water outlet channel the second water outlet channel with first water outlet channel, and certainly water outlet port flows.

Furthermore, the reflection adapter is provided with a reflection cover plate for pressing and sealing the second water inlet channel and the second water outlet channel.

Furthermore, the reflection adapter is provided with a circulation groove, the circulation groove is located on one side of the reflection adapter close to the protective mirror mounting seat, and the circulation groove is arranged around the periphery of the second light path channel and communicated with the second water inlet channel and the second water outlet channel.

Furthermore, the water cooling seat is provided with a water cooling cover plate, the fourth water inlet channel and the fourth water outlet channel are both partially located on the water cooling cover plate, and the fourth light path channel penetrates through the water cooling cover plate.

Furthermore, a switching seat is connected with the collimation fixing seat, laser enters the first light path channel from the switching seat, and at least part of the first water inlet channel and at least part of the first water outlet channel are located below the switching seat.

Furthermore, a first air channel is arranged between the first water inlet channel and the first water outlet channel, a second air channel is arranged between the second water inlet channel and the second water outlet channel, a third air channel is arranged between the third water inlet channel and the third water outlet channel, the water cooling seat is provided with a fourth air channel, and the fourth air channel is communicated with the injection channel.

Furthermore, one send a module to have a mount and send the silk body, send the silk body to be fixed in the mount, the mount install in the water-cooling seat, send the port of silk body with the port of nozzle passageway is located same height.

Furthermore, the opening direction of the end port of the filament feeding body is perpendicular to the opening direction of the end port of the nozzle channel.

Further, the collimating lens, the collimating protective lens and the protective lens module are all assembled in a drawer type.

Compared with the prior art, the utility model discloses following beneficial effect has:

according to the water cooling structure of the high-power laser welding head, laser enters the first light path channel, the second light path channel, the third light path channel, the fourth light path channel and the injection channel and is sprayed out from the port of the injection channel, the first water inlet channel and the first water outlet channel are correspondingly positioned on one side of the first light path channel, the second water inlet channel and the second water outlet channel are correspondingly positioned on one side of the second light path channel, the third water inlet channel and the third water outlet channel are correspondingly positioned on one side of the third light path channel, the fourth water inlet channel and the fourth water outlet channel are correspondingly positioned on one side of the fourth light path channel, and cooling water correspondingly enters from the water inlet interface and sequentially passes through the first water inlet channel, the second water inlet channel, the third water inlet channel, the fourth water inlet channel, The fourth water outlet channel the third water outlet channel the second water outlet channel with first water outlet channel, and certainly go out the water connection and flow out, design into inside part circulating water cooling's mode like this, through each part, not only can directly carry out the water-cooling to each part, can directly reach the lens moreover, the cooling effect is good, and the water-cooling system who forms is established ties with the water-cooling of different modules inside promptly has guaranteed the life of lens and operator's operation experience.

The grounding safety protection function avoids the phenomenon that the laser accidentally injures people due to misoperation when the laser is held by hands for a long time, and further protects the safety of the human body. The collimating lens and the collimating protective lens are assembled in a drawer type, and the collimating lens and the collimating protective lens are easy to maintain and install. And the whole equipment is cooled by water, so that the service life of the equipment is prolonged. The air blowing mode prolongs the service life of the protective lens. And the human engineering design ensures that an operator can use the device easily for a long time. And the wire feeding module is added, so that the application of the wire feeding module is wider.

[ description of the drawings ]

Fig. 1 is a three-dimensional exploded view of the water cooling structure of the high power laser welding head of the present invention;

FIG. 2 is a combined cross-sectional view of the water cooling structure of the high power laser welding head of the present invention;

FIG. 3 is an exploded view of the alignment fixture and the interface of the high power laser welding head of the present invention;

FIG. 4 is an exploded view of the water cooling seat and nozzle of the high power laser welding head of the present invention;

fig. 5 is an exploded view of the dc brushless motor in the high power laser welding head of the present invention.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

first light path channel 11 and first water inlet channel 12 of collimation fixing seat 1

Collimating mirror 141 of collimating module 14 of first water outlet channel 13

Collimating protective lens 142 adapter 15

Second light path 21 connecting channel 211 of reflection adapter 2

Inclined channel 212, second water inlet channel 22 and second water outlet channel 23

Swing and focus module 24 mirror 25 focusing mirror 26

Reflecting cover plate 27 circulation groove 28

Water inlet connector 3 and water outlet connector 4 motor fixing seat 5

Third water inlet channel 62 of third light path channel 61 of protective glass mounting seat 6

Third water outlet channel 63 protective glass module 64

Fourth light path channel 71 and fourth water inlet channel 72 of water cooling seat 7

Fourth water outlet channel 73 water-cooled cover plate 74

Nozzle 8 spray channel 81

First air passage 91, second air passage 92 and third air passage 93

Fourth gas path channel 94

Wire feed module 10 holder 101 wire feed 102

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

Please refer to fig. 1, fig. 2 and fig. 5, a water cooling structure of a high power laser welding head, wherein laser welds an object to be welded through the high power laser welding head, the water cooling structure comprises a collimating holder 1 and a reflecting adapter 2 connected to each other, an adapter 15 connected to the collimating holder 1, a motor holder 5 disposed on the reflecting adapter 2, a protective mirror holder 6 connected to the reflecting adapter 2, a water cooling holder 7 connected to the protective mirror holder 6, a nozzle 8 connected to the water cooling holder 7, and a wire feeding module 10 fixed to the fixing frame 101, and the high power laser welding head sets a grounding function mode during working, and only when the high power laser welding head is in the grounding mode, the high power laser welding head can be formally started.

Referring to fig. 1, 2 and 3, the collimating holder 1 has a first optical path channel 11, a first water inlet channel 12 and a first water outlet channel 13 that are disposed at an interval, the adaptor 15 is used for being fixedly connected to an optical fiber head providing laser and inputting laser, so that the laser enters the first optical path channel 11 from the adaptor 15, the first water inlet channel 12 is connected to a water inlet interface 3, the first water outlet channel 13 is connected to a water outlet interface 4, a collimating module 14 is located in the first optical path channel 11, the collimating module 14 has a collimating mirror 141 and a collimating protective mirror 142, and the collimating mirror 141 and the collimating protective mirror 142 are assembled in a drawer type, which is convenient for assembly and replacement. The collimating lens 141 changes the laser light into parallel light, and at least part of the first water inlet channel 12 and at least part of the first water outlet channel 13 are positioned below the adapter 15, so that the space can be fully utilized.

Referring to fig. 1, 2 and 5, the reflection adapter 2 has a second optical path channel 21, a second water inlet channel 22 and a second water outlet channel 23, the second optical path channel 21 is communicated with the first optical path channel 11, the second water inlet channel 22 and the second water outlet channel 23 both partially pass through the motor fixing base 5, the first water inlet channel 12 is communicated with the second water inlet channel 22, the first water outlet channel 13 is communicated with the second water outlet channel 23, the reflection adapter 2 has a swing and focus module 24, the swing and focus module 24 can be adjusted according to the actual requirements of customers to improve the use efficiency, a reflecting mirror 25 and a focus mirror 26 are located in the second optical path channel 21, the reflecting mirror 25 reflects parallel light to the focus mirror 26, the focus mirror 26 converts the reflected parallel light into convergent light, the second light path channel 21 has a connecting channel 211 and an inclined channel 212 which are arranged at an angle, the central line of the connecting channel 211 is positioned on the same line with the central line of the first light path channel 11, so as to avoid light loss, and the reflecting mirror 25 and the focusing mirror 26 are positioned at the corner positions of the connecting channel 211 and the inclined channel 212, so that light can be optimally reflected and focused, and the part can be adjusted according to the requirements of customers. The reflection adapter 2 is provided with a reflection cover plate 27 for pressing and sealing the second water inlet channel 22 and the second water outlet channel 23. Reflection adapter 2 is equipped with a circulation groove 28, circulation groove 28 is located reflection adapter 2 is close to one side of protective glass mount pad 6, circulation groove 28 is around locating second light path 21's periphery, and with second inlet channel 22 with second outlet channel 23 all communicates, and such design makes more parts can cool off.

Referring to fig. 1, 2 and 3, the protective mirror mounting base 6 has a third optical path channel 61, a third water inlet channel 62 and a third water outlet channel 63, the third optical path channel 61 is communicated with the second optical path channel 21, a center line of the inclined channel 212 and a center line of the third optical path channel 61 are located on the same straight line to avoid light loss, the second water inlet channel 22 is communicated with the third water inlet channel 62, the second water outlet channel 23 is communicated with the third water outlet channel 63, a protective mirror module 64 is located in the protective mirror mounting base 6, and the protective mirror module 64 can seal a light outlet of the third optical path channel 61. The protective glass module 64 is assembled in a drawer type, and is convenient to assemble and replace.

Referring to fig. 1, 2 and 4, the water cooling seat 7 has a fourth light path channel 71, a fourth water inlet channel 72 and a fourth water outlet channel 73, the fourth light path channel 71 is communicated with the third light path channel 61, the third water inlet channel 62 is communicated with the fourth water inlet channel 72, the third water outlet channel 63 is communicated with the fourth water outlet channel 73, the fourth water inlet channel 72 is directly communicated with the fourth water outlet channel 73 to form an arc shape, and the arc shape is wound around the periphery of the fourth light path channel 71, so as to better cool the fourth light path channel 71. The water-cooling seat 7 is provided with a water-cooling cover plate 74, the fourth water inlet channel 72 and the fourth water outlet channel 73 are both partially located on the water-cooling cover plate 74, and the fourth light path channel 71 penetrates through the water-cooling cover plate 74 and also plays an auxiliary role in cooling.

Referring to fig. 1, 2 and 4, the nozzle 8 has a spraying channel 81 communicating with the fourth optical channel 71, the converged light penetrates through the protective lens module 64 and enters the fourth optical channel 71, and is sprayed out from the spraying channel 81, water enters from the water inlet 3 and sequentially passes through the first water inlet channel 12, the second water inlet channel 22, the third water inlet channel 62, the fourth water inlet channel 72, the fourth water outlet channel 73, the third water outlet channel 63, the second water outlet channel 23 and the first water outlet channel 13, and flows out from the water outlet 4, and the circulating water can ensure the temperature of continuous cooling.

Referring to fig. 1, 2 and 4, in addition, a first air channel 91 is provided between the first water inlet channel 12 and the first water outlet channel 13, a second air channel 92 is provided between the second water inlet channel 22 and the second water outlet channel 23, a third air channel 93 is provided between the third water inlet channel 62 and the third water outlet channel 63, the water cooling seat 7 is provided with a fourth air channel 94, the fourth air channel 94 is communicated with the injection channel 81, the laser and the gas sequentially pass through the first air channel 91, the second air channel 92, the third air channel 93 and the fourth air channel 94, and are ejected from the injection channel 81, when the laser welds the workpiece, the gas can simultaneously blow away welding slag generated during laser welding, thereby not only improving the welding quality, and the service life of the protective lens module 64 can be extended.

Referring to fig. 1, 2 and 4, the wire feeding module 10 has a fixing frame 101 and a wire feeding body 102, the wire feeding body 102 is fixed to the fixing frame 101, the fixing frame 101 is mounted on the water cooling seat 7, and a port of the wire feeding body 102 and a port of the passage of the nozzle 8 are located at the same height, so that when a welding part to be welded is welded by laser, the welding part can simultaneously function, and a delay situation does not occur. The opening direction of the port of the wire feeding body 102 is perpendicular to the opening direction of the port of the channel of the nozzle 8, the design does not interfere with the sight of an operator, the operator can observe conveniently, the normal welding of laser cannot be influenced, the laser is guaranteed to play an auxiliary role under the condition of normal welding, and any bad influence on laser welding cannot be caused.

Referring to fig. 1, 2 and 4, in the water cooling structure of the high power laser welding head, laser enters the first light path channel 11, the second light path channel 21, the third light path channel 61, the fourth light path channel 71 and the injection channel 81 and is sprayed out from the port of the injection channel 81, the first water inlet channel 12 and the first water outlet channel 13 are correspondingly located at one side of the first light path channel 11, the second water inlet channel 22 and the second water outlet channel 23 are correspondingly located at one side of the second light path channel 21, the third water inlet channel 62 and the third water outlet channel 63 are correspondingly located at one side of the third light path channel 61, the fourth water inlet channel 72 and the fourth water outlet channel 73 are correspondingly located at one side of the fourth light path channel 71, and cooling water enters from the water inlet 3 and sequentially passes through the first water inlet channel 12, the second water outlet channel 71, and the cooling water outlet channel 81, Second inhalant canal 22 third inhalant canal 62 fourth inhalant canal 72 fourth exhalant canal 73 third exhalant canal 63 second exhalant canal 23 with first exhalant canal 13, and certainly water interface 4 flows out, designs into inside part circulating water cooling's mode like this, through each part, not only can directly carry out the water-cooling to each part, can directly reach the lens in addition, and the cooling effect is good, and the water-cooling system who forms is established ties with the water-cooling of different modules promptly inside, has guaranteed the life of lens and operator's operation experience.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes applying the present specification and the drawings are included in the scope of the present invention.

Claims (9)

1. A water-cooling structure of a high-power laser welding head is characterized by comprising: the collimating module is provided with a collimating lens and a collimating protective lens, the collimating lens converts laser into parallel light, the reflecting adapter is provided with a second light path channel, a second water inlet channel and a second water outlet channel, the second light path channel is communicated with the first light path channel, the first water inlet channel is communicated with the second water inlet channel, the first water outlet channel is communicated with the second water outlet channel, and the reflecting adapter is provided with a swinging and focusing module, a reflector and a focusing mirror are arranged in the second light path channel, the reflector reflects parallel light to the focusing mirror, the focusing mirror converts the reflected parallel light into convergent light, the second light path channel is provided with a connecting channel and an inclined channel which are arranged at an angle, the central line of the connecting channel and the central line of the first light path channel are positioned on the same straight line, the reflector and the focusing mirror are positioned at the corner positions of the connecting channel and the inclined channel, a motor fixing seat is arranged on the reflection adapter seat, the second water inlet channel and the second water outlet channel both partially pass through the motor fixing seat, a protective mirror mounting seat is connected with the reflection adapter seat, the protective mirror mounting seat is provided with a third light path channel, a third water inlet channel and a third water outlet channel, and the third light path channel is communicated with the second light path channel, the central line of the inclined channel and the central line of the third light path channel are positioned on the same straight line, the second water inlet channel is communicated with the third water inlet channel, the second water outlet channel is communicated with the third water outlet channel, a protective lens module is positioned in the protective lens mounting seat, a water cooling seat is connected with the protective lens mounting seat, the water cooling seat is provided with a fourth light path channel, a fourth water inlet channel and a fourth water outlet channel, the fourth light path channel is communicated with the third light path channel, the third water inlet channel is communicated with the fourth water inlet channel, the third water outlet channel is communicated with the fourth water outlet channel, the fourth water inlet channel and the fourth water outlet channel are directly communicated into an arc shape and are wound on the periphery of the fourth light path channel, a nozzle is connected with the water cooling seat, the nozzle is provided with a jet channel to be communicated with the fourth light path channel, and the converged light penetrates through the protective lens module and enters the fourth light path channel, and from the jet passage blowout, water from the interface of intaking gets into and passes through in proper order first inhalant canal, second inhalant canal, third inhalant canal, fourth inhalant canal fourth exhalant canal third exhalant canal second exhalant canal with first exhalant canal, and certainly the interface of exhalant flows.

2. The water cooling structure for a high power laser welding head of claim 1, wherein: the reflection adapter is provided with a reflection cover plate for pressing and sealing the second water inlet channel and the second water outlet channel.

3. The water cooling structure for a high power laser welding head of claim 1, wherein: the reflection adapter is provided with a circulating groove, the circulating groove is located on one side, close to the protective glass mounting seat, of the reflection adapter, and the circulating groove is arranged on the periphery of the second light path channel and communicated with the second water inlet channel and the second water outlet channel.

4. The water cooling structure for a high power laser welding head of claim 1, wherein: the water-cooling seat is provided with a water-cooling cover plate, the fourth water inlet channel and the fourth water outlet channel are both partially located on the water-cooling cover plate, and the fourth light path channel penetrates through the water-cooling cover plate.

5. The water cooling structure for a high power laser welding head of claim 1, wherein: a switching seat is connected with the collimation fixing seat, laser enters the first light path channel from the switching seat, and at least part of the first water inlet channel and at least part of the first water outlet channel are located below the switching seat.

6. The water cooling structure for a high power laser welding head of claim 1, wherein: the water cooling seat is provided with a fourth air channel which is communicated with the injection channel.

7. The water cooling structure for a high power laser welding head of claim 1, wherein: and the wire feeding module is provided with a fixing frame and a wire feeding body, the wire feeding body is fixed on the fixing frame, the fixing frame is arranged on the water cooling seat, and the port of the wire feeding body and the port of the nozzle channel are positioned at the same height.

8. The water cooling structure for a high power laser welding head of claim 7 wherein: the opening direction of the end port of the filament conveying body is perpendicular to the opening direction of the end port of the nozzle channel.

9. The water cooling structure for a high power laser welding head of claim 1, wherein: the collimating lens, the collimating protective lens and the protective lens module are all assembled in a drawer type.

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