CN115121947A - Dust removal mechanism and laser welding equipment - Google Patents
Dust removal mechanism and laser welding equipment Download PDFInfo
- Publication number
- CN115121947A CN115121947A CN202210882983.0A CN202210882983A CN115121947A CN 115121947 A CN115121947 A CN 115121947A CN 202210882983 A CN202210882983 A CN 202210882983A CN 115121947 A CN115121947 A CN 115121947A
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- Prior art keywords
- dust
- dust removal
- dust removing
- laser welding
- pipe
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- 239000000428 dust Substances 0.000 title claims abstract description 211
- 238000003466 welding Methods 0.000 title claims abstract description 85
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a dust removing mechanism and laser welding equipment, comprising: a dust collecting pipe extending in a length direction; the dust removal subassembly, including dust excluding hood, fixed part and a plurality of dust removal pipe, the dust excluding hood install in the dust collecting pipe, the dust excluding hood have with the dust removal chamber of dust collecting pipe intercommunication, the dust excluding hood be equipped with a plurality ofly with the interface of dust removal chamber switch-on, the first end of dust removal pipe connect in the interface, the second end of dust removal pipe install in fixed part, fixed part is used for injecing the position of the second end of dust removal pipe, so that it is a plurality of the dust removal pipe extends to the welding area who corresponds. The dust collection device has thorough dust collection and good effect, and greatly improves the quality of welding seams.
Description
Technical Field
The invention is used in the field of laser welding, and particularly relates to a dust removal mechanism and laser welding equipment.
Background
The laser welding equipment is a machine for producing laser welding workpieces, and two parts are welded together in a butt welding mode by using heat generated by laser, so that high-efficiency automation is realized. During the laser welding process, a large amount of smoke dust is generated near the welding position, and the smoke dust can form the defects of dust pollution, welding slag and the like at the welding position, thereby not only influencing the quality of workpieces, but also polluting the working environment. At present, the existing dust removal mode is integrated, namely an open dust removal cover is arranged near a welding position, the wind power of the dust removal mechanism is not concentrated, the dust removal force is small, and the effect is not good.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a dust removal mechanism and laser welding equipment, which have the advantages of thorough dust collection and good effect and greatly improve the quality of a welding seam.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in a first aspect, a dust removal mechanism includes:
a dust collecting pipe extending in a length direction;
the dust removal subassembly, including dust excluding hood, fixed part and a plurality of dust removal pipe, the dust excluding hood install in the dust collecting pipe, the dust excluding hood have with the dust removal chamber of dust collecting pipe intercommunication, the dust excluding hood be equipped with a plurality ofly with the interface of dust removal chamber switch-on, the first end of dust removal pipe connect in the interface, the second end of dust removal pipe install in fixed part, fixed part is used for injecing the position of the second end of dust removal pipe, so that it is a plurality of the dust removal pipe extends to the welding area who corresponds.
With reference to the first aspect, in certain implementations of the first aspect, the dust extraction tube includes a flexible hose.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, one end of the hose is connected to the interface, and the other end of the hose is provided with a metal pipe for extending to the corresponding welding area.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the fixing part is mounted to a fixture frame for positioning a product, and the fixing part is provided with a pressing piece for positioning the product.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the dust collection pipe is provided with a dust hood mounting seat, and the dust hood is mounted to the dust hood mounting seat and is configured to be rotatable about an axis.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the dust removing mechanism includes a plurality of dust removing assemblies, and dust removing covers of the plurality of dust removing assemblies are distributed along a length direction of the dust collecting pipe.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the fixing member has a first mounting surface and a second mounting surface extending in a thickness direction, the first mounting surface of the fixing member is provided with a plurality of first mounting grooves, the dust removing pipes include a plurality of first dust removing pipes correspondingly mounted in the first mounting grooves, the fixing member is provided with a first locking member that defines the first dust removing pipes in the corresponding first mounting grooves, the second mounting surface of the fixing member is provided with a plurality of second mounting grooves, the dust removing pipes include a plurality of second dust removing pipes correspondingly mounted in the second mounting grooves, and the fixing member is provided with a second locking member that defines the second dust removing pipes in the corresponding second mounting grooves.
With the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the fixing part has a plurality of mounting holes penetrating along a thickness direction, the dust removing pipe includes a plurality of third dust removing pipes correspondingly mounted in the mounting holes, a band fixing seat is arranged on a side of the mounting holes, and the third dust removing pipes are fixed by a binding part connected to the band fixing seat.
In a second aspect, a laser welding apparatus includes:
positioning a fixture for a product;
the laser welding head is arranged at the driving end of the driving mechanism;
in the dust removing mechanism according to any one of the first aspect implementations, the dust removing pipes correspond to each of the laser welding areas one by one.
With reference to the second aspect, in certain implementation manners of the second aspect, the driving mechanism includes a lifting manipulator and a transverse movement module for driving the lifting manipulator to transversely move, the laser welding head is disposed at a driving end of the lifting manipulator, the laser welding apparatus further includes a detection mechanism for pre-welding detection and post-welding detection, and the product positioning fixture includes a fixing frame, a rotating member disposed on the fixing frame, a clamping mechanism disposed on the rotating member, and a driving member for driving the rotating member to rotate around its axis.
One of the above technical solutions has at least one of the following advantages or beneficial effects: the technical scheme of the invention can be used for absorbing the smoke dust generated by the laser welding equipment in the vicinity of the welding area during product welding, wherein the second end of the dust removal pipe of the dust removal component is limited in position by the fixing part, the dust removal pipes extend to the respective corresponding welding areas, the dust removal pipes correspond to the laser welding areas one by one, and the smoke dust generated by each laser welding area is absorbed by the corresponding dust removal pipe and is collected into the dust collection pipe in a unified manner. According to the technical scheme, the dust removal pipe is smaller than the opening dust removal cover in caliber, so that the dust removal can be carried out by concentrating air quantity, and the dust removal device is high in dust removal efficiency, large in force and good in dust removal effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a first perspective view of a stationary member and a plurality of dirt extraction tubes of an embodiment of the dirt extraction mechanism of the present invention;
FIG. 2 is a second perspective structural view of the retaining member and the plurality of dirt extraction ducts of the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of one-to-one correspondence between second ends of a plurality of dust extraction tubes and weld zones of the embodiment shown in FIG. 1;
FIG. 4 is a schematic view of the dust hood and dust collection tube configuration of the embodiment shown in FIG. 1;
FIG. 5 is a cross-sectional view of the dust hood and dust collection tube configuration of the embodiment shown in FIG. 1;
fig. 6 is a schematic structural view of one embodiment of the laser welding apparatus of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not construed as limiting the present invention.
In the invention, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; "above", "below", "within" and the like are understood to include the present numbers. In the description of the present invention, if there are descriptions of "first" and "second" for the purpose of distinguishing technical features only, they are not interpreted as indicating or implying relative importance or implicitly indicating the number of the technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.
The embodiment of the invention provides a dust removing mechanism which can be used for absorbing smoke generated by a laser welding device near a welding area when a product is welded,
referring to fig. 1-6, the dust removing mechanism includes a dust collecting pipe 100 and a dust removing assembly 200, the dust collecting pipe 100 extends along a length direction, the dust collecting pipe 100 can be connected to one or more dust removing assemblies 200, and the dust collecting pipe 100 is used for collecting and discharging the smoke of a plurality of dust removing pipes of the dust removing assembly 200.
The dust removal assembly 200 comprises a dust removal cover 201, a fixing part 202 and a plurality of dust removal pipes 203, the dust removal cover 201 is mounted on the dust collection pipe 100, the dust removal cover 201 is provided with a dust removal cavity 204 communicated with the dust collection pipe 100, the dust removal cover 201 is provided with a plurality of interfaces 205 communicated with the dust removal cavity 204, the first ends of the dust removal pipes 203 are connected to the interfaces 205, the second ends of the dust removal pipes 203 are mounted on the fixing part 202, and the fixing part 202 is used for limiting the positions of the second ends of the dust removal pipes 203 so that the dust removal pipes 203 extend to corresponding welding areas. The dust removing assembly 200 forms a dust suction passage communicated from the second end of the dust removing pipe 203 to the dust hood 201.
In the case of welding the battery case 300 and the top cover, the battery case 300 and the top cover are tack-welded, the tack-welding is performed at intervals in the circumferential direction at the joint between the battery case 300 and the top cover, and the battery is a rectangular battery, and therefore the weld formed at the joint between the battery case 300 and the top cover is square in the plane, and the square weld has a plurality of weld regions. When the dust removal mechanism is used, the whole dust removal mechanism is arranged near a laser welding device, the second ends of the dust removal pipes 203 of the dust removal assembly 200 are limited in position by the fixing parts 202, the dust removal pipes 203 extend to corresponding welding areas respectively, the dust removal pipes 203 correspond to the laser welding areas one by one, and smoke generated in each laser welding area is absorbed by the corresponding dust removal pipes 203 and is uniformly gathered into the dust collection pipe 100. In the technical scheme of the invention, the dust removal pipe 203 has a smaller caliber than that of the open dust removal cover 201, so that the dust removal can be carried out by concentrating air quantity, and the dust removal device has high dust removal efficiency, high strength and good dust removal effect.
In some embodiments, the dust extraction tube 203 includes a flexible hose 206, and the hose 206 reduces the accuracy requirements for concentricity during installation as compared to a rigid tube.
Further, referring to fig. 2, one end of the flexible tube 206 is connected to the interface 205, and the other end of the flexible tube 206 is provided with a metal tube 207 extending to the corresponding welding area, the metal tube 207 can better adapt to the higher temperature of the laser welding area, wherein the metal tube 207 and the flexible tube 206 can be detachably connected through a pipe clamp.
In some embodiments, referring to fig. 1, 2, and 3, the product is clamped by a jig provided with a jig frame 400, the fixing member 202 is mounted to the jig frame 400 for positioning the product, and the dust removing assembly 200 is fixed to the jig frame 400 by a snap and a screw such that a plurality of dust removing assemblies 200 correspond one-to-one to each laser welding area.
Referring to fig. 1, the fixing member 202 is provided with a pressing member 208 for positioning a product, the pressing member 208 extends toward one side of the product, and the pressing member 208 is used for supporting a welded product such as a top cover and preventing the product from moving. In this embodiment, the pressing member 208 is mounted on the fixture frame 202 in combination with the mounting position of the fixing member 202 on the fixture frame 400, so that the pressing member and the dust removing assembly are integrated together, thereby greatly saving space.
When welding, the clamp rotates, the clamp frame 400 and the clamp rotate synchronously to weld the periphery of a product, the clamp and the clamp frame 400 rotate simultaneously, the dust removal assembly 200 also rotates synchronously, and referring to fig. 3 and 4, the dust collection pipe 100 is provided with a dust removal cover mounting seat 101, and the dust removal cover 201 is mounted on the dust removal cover mounting seat 101 and is arranged to rotate around an axis. The hose 206 has certain hardness, and it is rotatory to need drive dust excluding hood 201 when anchor clamps are rotatory (dust excluding hood 201 follow-up is rotatory), avoids dust removal pipe 203 to twist into a group and can't realize removing dust in welding process.
In some embodiments, referring to fig. 4 and 6, the dust removing mechanism includes a plurality of dust removing assemblies 200, the dust removing covers 201 of the plurality of dust removing assemblies 200 are distributed along the length direction of the dust collecting pipe 100, and the plurality of dust removing assemblies 200 form a plurality of branches at a plurality of welding stations of the dust collecting pipe 100 corresponding to the laser welding apparatus. This embodiment satisfies the dust removal requirement of a plurality of welding stations through one set of dust removal mechanism, simplifies whole welding equipment.
Referring to fig. 1 and 2, the fixing member 202 has a first mounting surface 209 and a second mounting surface 210 extending in a thickness direction, the first mounting surface 209 of the fixing member 202 is provided with a plurality of first mounting grooves, the dust removing pipe 203 includes a plurality of first dust removing pipes 213 mounted in the first mounting grooves, and the fixing member 202 is provided with a first locking member 211 defining the first dust removing pipes 213 in the corresponding first mounting grooves. The second mounting surface 210 of the fixing member 202 is provided with a plurality of second mounting grooves, the dust removing duct 203 includes a plurality of second dust removing ducts 214 correspondingly mounted in the second mounting grooves, and the fixing member 202 is provided with a second locking member for defining the second dust removing ducts 214 in the corresponding second mounting grooves. The fixing member 202 provides stable support and positioning for the dust removing tubes 203 through the first mounting surface 209 and the second mounting surface 210, so that the dust removing openings of the dust removing tubes 203 can be accurately aligned with the corresponding welding areas.
Further, referring to fig. 3, there are also welding areas at the corner positions of both sides of the battery case 300 and the top cover, and to these two welding areas, the fixing part 202 has a plurality of mounting holes penetrating along the thickness direction, the dust removing pipe 203 includes a plurality of third dust removing pipes 215 correspondingly mounted in the mounting holes, a band fixing seat 212 is provided at the side of the mounting hole, a binding hole is provided on the band fixing seat 212, and the third dust removing pipes 215 are fixed by a binding part connected to the band fixing seat 212. Through the dust removal pipes 203 which are arranged in the welding areas in one-to-one correspondence, the dust collection of the welding areas is more thorough, the effect is better, and the quality of welding seams is greatly improved.
Referring to fig. 6, an embodiment of the present invention further provides a laser welding apparatus, where the laser welding apparatus includes a product positioning fixture 500, a laser welding head 600, and the dust removing mechanism in any of the above embodiments, and the laser welding head 600 is disposed at the driving end of the driving mechanism. The dust removal pipes 203 of the dust removal mechanism correspond to each laser welding area one by one. During welding, a product is positioned and clamped through the product positioning fixture 500, the laser welding head 600 is driven through the driving mechanism, and the product positioning fixture 500 is matched to weld all welding areas of the product. Meanwhile, in combination with fig. 3, the smoke generated in each laser welding area is absorbed by the corresponding dust removal pipe 203 and uniformly flows into the dust collection pipe 100, and the dust removal pipe 203 is smaller than the caliber of the open dust removal cover 201, so that the dust can be removed by concentrating the air quantity, the dust removal efficiency is high, the force is large, the dust removal effect is good, the product quality is improved, and the pollution to the working environment is avoided.
In some embodiments, referring to fig. 6, the driving mechanism includes a lifting robot 700 and a transverse movement module 800 for driving the lifting robot 700 to move transversely, the laser welding head 600 is disposed at the driving end of the lifting robot 700, and the laser welding head 600 can adjust the welding position in the transverse direction and the height direction under the driving of the driving mechanism.
Referring to fig. 6, the laser welding apparatus further includes a detection mechanism 900 for pre-welding detection and post-welding detection, wherein the detection mechanism 900 detects the press-fitting in-place degree of the top cover and the housing during pre-welding detection, which reflects whether the gap is qualified before welding. When the detection mechanism 900 detects after welding, whether the welded seam is qualified is detected.
Referring to fig. 6, the product positioning jig 500 includes a fixing frame 501, a rotating member 502 provided to the fixing frame 501, a clamping mechanism 503 provided to the rotating member 502, and a driving member for driving the rotating member 502 to rotate around its axis. The product positioning fixture 500 can drive the product to rotate under the driving of the driving part, so that the periphery of the product is welded.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.
Claims (10)
1. A dust removal mechanism, comprising:
a dust collecting pipe extending in a length direction;
the dust removal subassembly, including dust excluding hood, fixed part and a plurality of dust removal pipe, the dust excluding hood install in the dust collecting pipe, the dust excluding hood have with the dust removal chamber of dust collecting pipe intercommunication, the dust excluding hood be equipped with a plurality ofly with the interface of dust removal chamber switch-on, the first end of dust removal pipe connect in the interface, the second end of dust removal pipe install in fixed part, fixed part is used for injecing the position of the second end of dust removal pipe, so that it is a plurality of the dust removal pipe extends to the welding area who corresponds.
2. The dust extraction mechanism of claim 1, wherein the dust extraction tube comprises a flexible hose.
3. A dusting mechanism according to claim 2, characterized in that one end of the hose is connected to the interface, and the other end of the hose is provided with a metal tube for extending to the corresponding welding area.
4. The dust removing mechanism according to claim 1, wherein the fixing member is mounted to a jig frame for positioning the product, and the fixing member is provided with a pressing member for positioning the product.
5. A dust extraction mechanism according to claim 4, wherein the dust pipe is provided with a dust hood mount to which the dust hood is mounted and arranged to be rotatable about an axis.
6. The mechanism of claim 1, wherein the mechanism includes a plurality of the dedusting assemblies, and the dusthoods of the dedusting assemblies are distributed along the length of the dust collection tube.
7. The dust removing mechanism of claim 1, wherein the fixing member has a first mounting surface and a second mounting surface extending in a thickness direction, the first mounting surface of the fixing member is provided with a plurality of first mounting grooves, the dust removing duct includes a plurality of first dust removing ducts correspondingly mounted in the first mounting grooves, the fixing member is provided with a first locking member to define the first dust removing ducts in the corresponding first mounting grooves, the second mounting surface of the fixing member is provided with a plurality of second mounting grooves, the dust removing duct includes a plurality of second dust removing ducts correspondingly mounted in the second mounting grooves, and the fixing member is provided with a second locking member to define the second dust removing ducts in the corresponding second mounting grooves.
8. The dust removing mechanism of claim 7, wherein the fixing part is provided with a plurality of mounting holes penetrating in the thickness direction, the dust removing pipes comprise a plurality of third dust removing pipes correspondingly mounted in the mounting holes, a ribbon fixing seat is arranged on the side of the mounting holes, and the third dust removing pipes are fixed by a binding part connected to the ribbon fixing seat.
9. A laser welding apparatus, characterized by comprising:
positioning a fixture for a product;
the laser welding head is arranged at the driving end of the driving mechanism;
the dust removal mechanism of any one of claims 1-8, wherein the dust removal tubes are in one-to-one correspondence with each laser welding area.
10. The laser welding apparatus according to claim 9, wherein the driving mechanism includes a lifting robot and a transverse movement module for driving the lifting robot to move transversely, the laser welding head is disposed at a driving end of the lifting robot, the laser welding apparatus further includes a detection mechanism for pre-welding detection and post-welding detection, and the product positioning fixture includes a fixing frame, a rotating member disposed at the fixing frame, a clamping mechanism disposed at the rotating member, and a driving member for driving the rotating member to rotate around its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210882983.0A CN115121947A (en) | 2022-07-26 | 2022-07-26 | Dust removal mechanism and laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210882983.0A CN115121947A (en) | 2022-07-26 | 2022-07-26 | Dust removal mechanism and laser welding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN115121947A true CN115121947A (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210882983.0A Pending CN115121947A (en) | 2022-07-26 | 2022-07-26 | Dust removal mechanism and laser welding equipment |
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| Country | Link |
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| CN (1) | CN115121947A (en) |
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