CN219786966U - Blowing device and laser welding equipment - Google Patents
Blowing device and laser welding equipment Download PDFInfo
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- CN219786966U CN219786966U CN202320988071.1U CN202320988071U CN219786966U CN 219786966 U CN219786966 U CN 219786966U CN 202320988071 U CN202320988071 U CN 202320988071U CN 219786966 U CN219786966 U CN 219786966U
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- 238000007664 blowing Methods 0.000 title claims abstract description 76
- 238000003466 welding Methods 0.000 title claims abstract description 58
- 239000002893 slag Substances 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides an air blowing device and laser welding equipment, wherein the air blowing device comprises a base, a coaxial air blowing assembly, a first air knife assembly and a connecting piece; the base is provided with an avoidance cavity, a first light inlet hole and a first light outlet hole, the avoidance cavity penetrates through two opposite sides of the base along a first direction, the coaxial blowing assembly is arranged at one end of the base, which is close to the first light outlet hole, and a first laser channel is arranged in the coaxial blowing assembly; the first air knife assembly is positioned in the avoidance cavity, and a second light inlet hole and a second light outlet hole are formed in the first air knife assembly; the base and the first air knife assembly are detachably connected to the welding head through the connecting piece respectively. The blowing device provided by the utility model can not only prevent welding seams from being oxidized, but also blow away slag, prolong the service life of the protective mirror, and can be used for simultaneously installing the coaxial blowing assembly and the first air knife assembly or alternatively installing the coaxial blowing assembly and the first air knife assembly according to actual needs, thereby saving cost, having wider application range and higher flexibility.
Description
Technical Field
The utility model belongs to the technical field of laser processing, and particularly relates to an air blowing device and laser welding equipment.
Background
When the laser welding head is used for welding, a coaxial blowing device is usually arranged below the laser welding head to blow inert gas to the welding seam in real time in order to prevent the welding seam from oxidizing.
Meanwhile, slag can be generated during welding by laser, and the protective lens is easy to damage due to slag splashing, so that dust enters the cavity of the welding head, and the optical lenses such as the focusing lens, the collimating lens and the like are damaged. To avoid this problem, the related art generally provides an air knife below the laser welding head, through which slag is blown away. However, the laser welding head in the related art cannot simultaneously install the coaxial blowing device and the air knife due to space limitation.
Disclosure of Invention
The utility model provides a blowing device which not only can prevent welding seams from being oxidized, but also can blow away slag, and prolongs the service life of a protective mirror.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an air blowing device is provided, which comprises a base, a coaxial air blowing assembly, a first air knife assembly and a connecting piece;
the base is provided with an avoidance cavity, a first light inlet hole and a first light outlet hole, the avoidance cavity penetrates through two opposite sides of the base along a first direction, and the first light inlet hole and the first light outlet hole are respectively communicated with the avoidance cavity;
the coaxial blowing assembly is arranged at one end of the base close to the first light outlet and is used for blowing first gas to a welding seam of a workpiece during welding so as to prevent the welding seam from being oxidized, and a first laser channel which extends along a second direction and is communicated with the first light outlet is formed in the coaxial blowing assembly;
the first air knife assembly is positioned in the avoidance cavity and is used for spraying second gas along the first direction to prevent slag generated during welding from splashing on a protective mirror of the welding head, a second light inlet hole and a second light outlet hole are formed in the first air knife assembly, and the second light inlet hole and the second light outlet hole are respectively arranged coaxially with the first laser channel;
the base and the first air knife assembly are detachably connected to the welding head through the connecting piece respectively.
Further, a first through hole is formed in the base, a second through hole is formed in the first air knife assembly, a connecting hole is formed in the welding head, and the connecting piece penetrates through the first through hole, the second through hole and the connecting hole to be detachably connected.
Further, the base comprises a base plate and a mounting cylinder, one end of the mounting cylinder is connected with the base plate, the coaxial blowing assembly is arranged at one end of the mounting cylinder away from the base plate, the first through hole and the first light inlet hole are formed in the base plate, and the avoidance cavity and the first light outlet hole are formed in the mounting cylinder.
Further, the first air knife assembly comprises a mounting plate, a first connecting plate, a second connecting plate and an air knife, wherein the first connecting plate and the second connecting plate are respectively connected with the mounting plate, the air knife is respectively connected with one side of the first connecting plate and one side of the second connecting plate, the second through holes are formed in the mounting plate, and the first connecting plate and the second connecting plate are arranged at intervals along a third direction to form a first air passage for the second air to be sprayed.
Further, the mounting plate comprises a mounting portion and a connecting portion, the mounting portion is in butt joint with the surface of the base, one end of the connecting portion is connected with the mounting portion, the other end of the connecting portion is connected with the first connecting plate and the second connecting plate respectively, and the second through hole is formed in the mounting portion.
Further, a first air cavity is arranged in the air knife, and a first air inlet communicated with the first air cavity and a first air outlet communicated with the first air cavity are formed in the air knife.
Further, the first air knife assembly further comprises a mounting cover, the mounting cover comprises a bottom plate, a first side plate and a second side plate, the first side plate is covered outside the first connecting plate, the second side plate is covered outside the second connecting plate, one side of the bottom plate is connected with the first side plate, the opposite side of the bottom plate is connected with the second side plate, a second light inlet hole is formed in the mounting plate, and a second light outlet hole is formed in the bottom plate.
Further, the coaxial insufflation assembly comprises:
one end of the outer sleeve is arranged at one end of the base close to the first light outlet hole;
the inner sleeve is arranged in the outer sleeve, and a first channel penetrating along the second direction is formed in the inner sleeve; the method comprises the steps of,
the nozzle is arranged at one end of the outer sleeve, which is far away from the base, a second channel penetrating along the second direction is arranged in the nozzle, and the first channel and the second channel are sequentially communicated to form the first laser channel;
a second air passage is formed between the outer sleeve and the inner sleeve, a second air inlet is formed in the outer sleeve, and the second air passage is respectively communicated with the second air inlet and the second air passage.
Further, the blowing device further comprises a switching sleeve, one end of the switching sleeve is connected with the base, the other end of the switching sleeve is connected with the coaxial blowing assembly, a second laser channel penetrating along the second direction is arranged in the switching sleeve, and the second laser channel is communicated with the first laser channel.
Further, the blowing device further comprises a second air knife assembly, wherein the second air knife assembly is used for spraying third gas along the first direction to blow away ion cloud generated during welding, the second air knife assembly is arranged on one side of the switching sleeve, and an opening for discharging the ion cloud in the switching sleeve is formed in the other side, away from the second air knife assembly, of the switching sleeve.
Further, the second air knife component comprises an air knife seat, a second air cavity and a second air outlet communicated with the second air cavity are formed in the air knife seat, a third air inlet is formed in the switching sleeve, one side of the air knife seat, provided with the second air cavity, abuts against the inner side wall of the switching sleeve to form a sealed second air cavity, and the third air inlet is communicated with the second air cavity.
Further, the second air outlets comprise a plurality of second air outlets which are arranged at intervals along the second direction.
The utility model also provides laser welding equipment which comprises a welding head and the blowing device, wherein the blowing device is arranged on the welding head.
The blowing device provided by the utility model has the beneficial effects that: through seting up on the base and dodging the chamber, with first air knife subassembly in dodging the chamber, coaxial subassembly that blows sets up in the one end that the base is close to first light-emitting hole to can realize coaxial subassembly and the installation of first air knife subassembly that blows, not only can prevent that the welding seam from being oxidized, can also blow away the slag, extension protection mirror's life. And the base and the first air knife component are detachably connected to the welding head through the connecting piece respectively, so that the coaxial air blowing component and the first air knife component can be installed at the same time or alternatively according to actual needs, the cost can be saved, the application range is wider, and the flexibility is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an air blowing device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of an air blowing device according to an embodiment of the present utility model;
fig. 3 is a schematic view of a vertical cross-section structure of an air blowing device according to an embodiment of the present utility model;
FIG. 4 is an enlarged partial schematic view of FIG. 3 at A;
FIG. 5 is an enlarged schematic view of a portion of FIG. 3 at B;
FIG. 6 is a schematic diagram of an assembled structure of a base, a adapter sleeve, and a coaxial blower assembly according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram of the explosive structure of FIG. 6;
FIG. 8 is a schematic diagram of an assembled structure of a base and a connector according to an embodiment of the present utility model;
FIG. 9 is a schematic perspective view of a first air knife assembly according to an embodiment of the present utility model;
fig. 10 is an exploded view of a first air knife assembly according to an embodiment of the present utility model.
Wherein, each reference sign in the figure:
10. a base; 11. an avoidance cavity; 12. a first light inlet hole; 13. a first light outlet hole; 14. a first through hole; 15. a substrate; 16. a mounting cylinder; 20. a coaxial blowing assembly; 21. a first laser channel; 22. an outer sleeve; 221. a second air inlet; 23. an inner sleeve; 231. a first channel; 24. a nozzle; 241. a second channel; 25. a second airway; 26. a second air inlet joint; 30. a first air knife assembly; 31. a second light inlet hole; 32. a second light outlet hole; 33. a second through hole; 34. a mounting plate; 341. a mounting part; 342. a connection part; 35. a first connection plate; 36. a second connecting plate; 37. an air knife; 371. a first air chamber; 372. a first air outlet; 38. a first air inlet joint; 39. a mounting cover; 391. a bottom plate; 392. a first side plate; 393. a second side plate; 40. a connecting piece; 50. a transfer sleeve; 51. a second laser channel; 52. an opening; 53. a third air inlet; 60. a second air knife assembly; 61. an air knife holder; 611. a second air chamber; 612. a second air outlet; 62. and a third air inlet joint.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 and 2, an air blowing device according to an embodiment of the utility model will be described. The blowing device provided by the embodiment of the utility model comprises a base 10, a coaxial blowing assembly 20, a first air knife assembly 30 and a connecting piece 40.
As shown in fig. 8, the base 10 is provided with an avoidance cavity 11, a first light inlet 12, and a first light outlet 13. The avoidance cavity 11 penetrates through two opposite sides of the base 10 along the first direction, and the first light inlet hole 12 and the first light outlet hole 13 are respectively communicated with the avoidance cavity 11.
The coaxial blowing assembly 20 is disposed at one end of the base 10 near the first light emitting hole 13, and is used for blowing a first gas to the weld joint of the workpiece to prevent oxidation of the weld joint during welding, and a first laser channel 21 extending along the second direction and communicating with the first light emitting hole 13 is formed in the coaxial blowing assembly 20.
As shown in fig. 3 and 9, a first air knife assembly 30 is positioned in the avoiding chamber 11 for injecting a second gas in a first direction to block slag generated during welding from splashing onto a protective mirror of the welding head. The first air knife assembly 30 is provided with a second light inlet hole 31 and a second light outlet hole 32, and the second light inlet hole 31 and the second light outlet hole 32 are respectively arranged coaxially with the first laser channel 21. Through the setting of dodging the chamber 11, be located first air knife tackle 30 and dodge the chamber 11, can reduce overall structure's volume for simple structure is compact, and can avoid when simultaneously installing first air knife tackle 30 and coaxial subassembly 20 of blowing, first air knife tackle 30 and coaxial subassembly 20 of blowing are structural mutual interference.
As shown in fig. 1, the base 10 and the first air knife assembly 30 are detachably connected to a welding head (not shown) through a connecting piece 40, respectively.
When only the weld of the work pieces needs to be protected, the first air knife assembly 30 can be detached from the weld head and the base 10 can be mounted to the weld head via the connector 40. When only the protection mirror needs to be protected by blowing, the base 10 may be separated from the welding head, and the first air knife assembly 30 may be mounted on the welding head through the connection member 40. When the welding seam of the workpiece and the protective mirror are required to be protected at the same time, the base 10 and the first air knife assembly 30 can be installed on the welding head at the same time through the connecting piece 40.
As shown in fig. 1, the "first direction" may be represented by an X-axis direction in the drawing, the "second direction" may be represented by a Z-axis direction in the drawing, and the "third direction" may be represented by a Y-axis direction in the drawing. It is to be understood that the above definitions are merely to facilitate understanding of the relative positional relationship of the various components and are not to be construed as limiting the present utility model.
According to the blowing device provided by the embodiment of the utility model, the avoidance cavity 11 is formed in the base 10, the first air knife assembly 30 is positioned in the avoidance cavity 11, and the coaxial blowing assembly 20 is arranged at one end of the base 10 close to the first light emitting hole 13, so that the coaxial blowing assembly 20 and the first air knife assembly 30 can be simultaneously installed, the welding seam can be prevented from being oxidized, slag can be blown away, and the service life of the protective lens can be prolonged. And the base 10 and the first air knife assembly 30 are detachably connected to the welding head through the connecting piece 40 respectively, so that the coaxial air blowing assembly 20 and the first air knife assembly 30 can be installed at the same time or alternatively according to actual needs, the cost can be saved, the application range is wider, and the flexibility is higher.
Referring to fig. 7, the base 10 may be provided with a first through hole 14, as shown in fig. 9, the first air knife assembly 30 may be provided with a second through hole 33, and the soldering head may be provided with a connecting hole (not shown). The connecting piece 40 passes through the first through hole 14 and the second through hole 33 and is detachably connected with the connecting hole, so that the detachable connection of the base 10, the first air knife assembly 30 and the welding head is realized, and the detachable connection of the base 10 and the first air knife assembly 30 is realized by utilizing the same connecting piece 40, so that the cost can be reduced, and the structure is simple. Of course, the arrangement of the connecting member 40 is not limited thereto, and for example, the base 10 and the first air knife assembly 30 may be detachably connected to the welding head through different connecting members 40.
Referring to fig. 8, the base 10 may include a base plate 15, a mounting cylinder 16. One end of the mounting cylinder 16 is connected with the base plate 15, and the coaxial blowing assembly 20 is arranged at one end of the mounting cylinder 16 away from the base plate 15. The first through hole 14 and the first light inlet hole 12 are formed in the substrate 15, and the avoidance cavity 11 and the first light outlet hole 13 are formed in the mounting cylinder 16. By the arrangement of the base plate 15, connection with the soldering head can be facilitated.
Referring to fig. 9-10, the first air knife assembly 30 may include a mounting plate 34, a first connecting plate 35, a second connecting plate 36, and an air knife 37. The first connecting plate 35 and the second connecting plate 36 are connected to the mounting plate 34, and the air knife 37 is connected to one side of the first connecting plate 35 and one side of the second connecting plate 36. The second through hole 33 is formed on the mounting plate 34, and the first connecting plate 35 and the second connecting plate 36 are spaced apart along the third direction to form a first air passage (not shown) for injecting the second gas. The arrangement of the first air passage can limit the spraying direction of the second gas and prevent slag from polluting the protective mirror.
Referring to fig. 10, the mounting plate 34 may include a mounting portion 341 and a connecting portion 342, where the mounting portion 341 abuts against the surface of the base 10, one end of the connecting portion 342 is connected to the mounting portion 341, the other end is connected to the first connecting plate 35 and the second connecting plate 36, and the second through hole 33 is opened on the mounting portion 341. Specifically, the mounting portion 341 and the connecting portion 342 may be integrally formed and connected, and the processing technology is simple, and of course, the mounting portion 341 and the connecting portion 342 may be separately connected.
Referring to fig. 10, a first air cavity 371 may be disposed in the air knife 37, and a first air inlet (not shown) communicating with the first air cavity 371 and a first air outlet 372 communicating with the first air cavity 371 are disposed on the air knife 37. The second gas enters the first gas cavity 371 from the first gas inlet and is sprayed out from the first gas outlet 372, and then a gas curtain is formed along the first gas channel, so that slag can be effectively prevented from polluting the protective mirror. Specifically, the first air knife assembly 30 may further include a first air inlet connector 38, where the first air inlet connector 38 is disposed in the first air inlet for the external second air to enter.
Referring to fig. 9-10, the first air knife assembly 30 may also include a mounting cap 39. The mounting cover 39 includes a bottom plate 391, a first side plate 392 and a second side plate 393, the first side plate 392 is covered outside the first connecting plate 35, the second side plate 393 is covered on the second connecting plate 36, one side of the bottom plate 391 is connected with the first side plate 392, the opposite side of the bottom plate 391 is connected with the second side plate 393, the second light inlet hole 31 is opened on the mounting plate 34, and the second light outlet hole 32 is opened on the bottom plate 391. By the provision of the mounting cap 39, the first gas can be injected along the first gas passage.
Referring to fig. 4 and 7, the coaxial insufflation assembly 20 may include an outer sleeve 22, an inner sleeve 23 and a nozzle 24. One end of the outer sleeve 22 is disposed on one end of the base 10 near the first light emitting hole 13. The inner sleeve 23 is disposed in the outer sleeve 22, and the inner sleeve 23 is provided with a first passage 231 penetrating along the second direction. The nozzle 24 is disposed at one end of the outer sleeve 22 away from the base 10, a second channel 241 penetrating along the second direction is formed in the nozzle 24, and the first channel 231 and the second channel 241 are sequentially communicated to form the first laser channel 21. The first laser channel 21 is arranged for laser light to pass through for irradiation onto a workpiece.
A second air passage 25 can be formed between the outer sleeve 22 and the inner sleeve 23, a second air inlet 221 is formed on the outer sleeve 22, and the second air passage 25 is respectively communicated with the second air inlet 221 and the second air passage 241. When the first gas needs to be blown to the weld of the workpiece, the first gas enters the second air passage 25 through the second air inlet 221 and is sprayed out of the second passage 241, so that the weld of the workpiece can be prevented from being oxidized. Specifically, the coaxial blowing assembly 20 may further include a second air inlet connector 26, where the second air inlet connector 26 is disposed in the second air inlet 221 for the external first air to enter.
Referring to fig. 6 to 7, the blowing device may further include an adapter sleeve 50. One end of the adapter sleeve 50 is connected to the base 10 and the other end is connected to the coaxial insufflation assembly 20. A second laser channel 51 penetrating along the second direction is formed in the adapter sleeve 50, and the second laser channel 51 is communicated with the first laser channel 21. By providing the adapter sleeve 50, the connection of the base 10 to the coaxial blowing assembly 20 is achieved.
Referring to fig. 5 and 7, the blowing apparatus may further include a second air knife assembly 60 for spraying a third gas in a first direction to blow away an ion cloud generated when welding. The second air knife assembly 60 is disposed on one side of the adapter sleeve 50, and an opening 52 for discharging the ion cloud in the adapter sleeve 50 is formed on the other side of the adapter sleeve 50 away from the second air knife assembly 60. Through the arrangement of the opening 52, ion clouds generated during welding can be discharged to the outside in time, and laser power attenuation caused by shielding of laser by the ion clouds is avoided.
Referring to fig. 5 and 7, the second air knife assembly 60 may include an air knife holder 61, and the air knife holder 61 is provided with a second air cavity 611 and a second air outlet 612 communicating with the second air cavity 611. The adapter sleeve 50 is provided with a third air inlet 53. One side of the air knife holder 61 provided with the second air cavity 611 abuts against the inner side wall of the adapter sleeve 50 to form a sealed second air cavity 611, and the third air inlet 53 is communicated with the second air cavity 611. The third gas may enter the second air chamber 611 from the third air inlet 53 and be ejected through the second air outlet 612.
Referring to fig. 5, the second air outlet 612 may include a plurality of second air outlets 612 spaced apart along the second direction. Through setting up a plurality of second gas outlets 612, a plurality of second gas outlets 612 set up along the second direction interval, and the protection effect is better.
Referring to fig. 5 and 7, the second air knife assembly 60 may further include a third air inlet connector 62, wherein the third air inlet connector 62 is disposed in the third air inlet 53, and the third air enters the second air cavity 611 through the third air inlet connector 62. Specifically, the third air inlet connector 62 may be provided in plurality, so that the air inlet effect is more uniform.
The embodiment of the utility model also provides laser welding equipment which comprises a welding head and the air blowing device in any embodiment, wherein the air blowing device is arranged on the welding head.
The laser welding device provided by the embodiment of the utility model has the beneficial effects brought by the air blowing device in any embodiment because the air blowing device in any embodiment is adopted, and the description is omitted here.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (13)
1. An air blowing device, characterized in that: comprises a base, a coaxial blowing component, a first air knife component and a connecting piece;
the base is provided with an avoidance cavity, a first light inlet hole and a first light outlet hole, the avoidance cavity penetrates through two opposite sides of the base along a first direction, and the first light inlet hole and the first light outlet hole are respectively communicated with the avoidance cavity;
the coaxial blowing assembly is arranged at one end of the base close to the first light outlet and is used for blowing first gas to a welding seam of a workpiece during welding so as to prevent the welding seam from being oxidized, and a first laser channel which extends along a second direction and is communicated with the first light outlet is formed in the coaxial blowing assembly;
the first air knife assembly is positioned in the avoidance cavity and is used for spraying second gas along the first direction to prevent slag generated during welding from splashing on a protective mirror of the welding head, a second light inlet hole and a second light outlet hole are formed in the first air knife assembly, and the second light inlet hole and the second light outlet hole are respectively arranged coaxially with the first laser channel;
the base and the first air knife assembly are detachably connected to the welding head through the connecting piece respectively.
2. The blowing device of claim 1, wherein: the base is provided with a first through hole, the first air knife assembly is provided with a second through hole, the welding head is provided with a connecting hole, and the connecting piece penetrates through the first through hole and the second through hole and is detachably connected with the connecting hole.
3. The blowing device of claim 2, wherein: the base comprises a base plate and a mounting cylinder, one end of the mounting cylinder is connected with the base plate, the coaxial blowing assembly is arranged at one end of the mounting cylinder away from the base plate, the first through hole and the first light inlet hole are formed in the base plate, and the avoidance cavity and the first light outlet hole are formed in the mounting cylinder.
4. The blowing device of claim 2, wherein: the first air knife assembly comprises a mounting plate, a first connecting plate, a second connecting plate and an air knife, wherein the first connecting plate and the second connecting plate are respectively connected with the mounting plate, the air knife is respectively connected with one side of the first connecting plate and one side of the second connecting plate, the second through hole is formed in the mounting plate, and the first connecting plate and the second connecting plate are arranged at intervals along a third direction to form a first air passage for second air injection.
5. The blowing apparatus of claim 4, wherein: the mounting plate comprises a mounting portion and a connecting portion, the mounting portion is in butt joint with the surface of the base, one end of the connecting portion is connected with the mounting portion, the other end of the connecting portion is connected with the first connecting plate and the second connecting plate respectively, and the second through hole is formed in the mounting portion.
6. The blowing apparatus of claim 4, wherein: the air knife is internally provided with a first air cavity, and the air knife is provided with a first air inlet communicated with the first air cavity and a first air outlet communicated with the first air cavity.
7. The blowing apparatus of claim 4, wherein: the first air knife assembly further comprises a mounting cover, the mounting cover comprises a bottom plate, a first side plate and a second side plate, the first side plate is covered outside the first connecting plate, the second side plate is covered outside the second connecting plate, one side of the bottom plate is connected with the first side plate, the opposite side of the bottom plate is connected with the second side plate, a second light inlet hole is formed in the mounting plate, and a second light outlet hole is formed in the bottom plate.
8. The blowing device of claim 1, wherein: the coaxial blowing assembly includes:
one end of the outer sleeve is arranged at one end of the base close to the first light outlet hole;
the inner sleeve is arranged in the outer sleeve, and a first channel penetrating along the second direction is formed in the inner sleeve; the method comprises the steps of,
the nozzle is arranged at one end of the outer sleeve, which is far away from the base, a second channel penetrating along the second direction is arranged in the nozzle, and the first channel and the second channel are sequentially communicated to form the first laser channel;
a second air passage is formed between the outer sleeve and the inner sleeve, a second air inlet is formed in the outer sleeve, and the second air passage is respectively communicated with the second air inlet and the second air passage.
9. The blowing device according to any one of claims 1-8, wherein: the blowing device further comprises a switching sleeve, one end of the switching sleeve is connected with the base, the other end of the switching sleeve is connected with the coaxial blowing assembly, a second laser channel penetrating along the second direction is arranged in the switching sleeve, and the second laser channel is communicated with the first laser channel.
10. The blowing apparatus of claim 9, wherein: the air blowing device further comprises a second air knife assembly, wherein the second air knife assembly is used for spraying third air along the first direction to blow away ion clouds generated during welding, the second air knife assembly is arranged on one side of the switching sleeve, and an opening for discharging the ion clouds in the switching sleeve is formed in the other side, away from the second air knife assembly, of the switching sleeve.
11. The blowing apparatus of claim 10, wherein: the second air knife assembly comprises an air knife seat, a second air cavity and a second air outlet communicated with the second air cavity are formed in the air knife seat, a third air inlet is formed in the switching sleeve, one side, provided with the second air cavity, of the air knife seat abuts against the inner side wall of the switching sleeve to form a sealed second air cavity, and the third air inlet is communicated with the second air cavity.
12. The blowing apparatus of claim 11, wherein: the second air outlets comprise a plurality of second air outlets which are arranged at intervals along the second direction.
13. A laser welding apparatus, characterized in that: comprising a welding head and a blowing device according to any of claims 1-12, said blowing device being arranged on said welding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988071.1U CN219786966U (en) | 2023-04-25 | 2023-04-25 | Blowing device and laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988071.1U CN219786966U (en) | 2023-04-25 | 2023-04-25 | Blowing device and laser welding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN219786966U true CN219786966U (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320988071.1U Active CN219786966U (en) | 2023-04-25 | 2023-04-25 | Blowing device and laser welding equipment |
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| Country | Link |
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| CN (1) | CN219786966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324757A (en) * | 2023-12-01 | 2024-01-02 | 宁德时代新能源科技股份有限公司 | Current collecting disc welding jig, current collecting disc welding device and current collecting disc welding method |
-
2023
- 2023-04-25 CN CN202320988071.1U patent/CN219786966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324757A (en) * | 2023-12-01 | 2024-01-02 | 宁德时代新能源科技股份有限公司 | Current collecting disc welding jig, current collecting disc welding device and current collecting disc welding method |
| CN117324757B (en) * | 2023-12-01 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Current collecting disc welding jig, current collecting disc welding device and current collecting disc welding method |
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