CN115922084B - Laser welding dust collector - Google Patents
Laser welding dust collector Download PDFInfo
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- CN115922084B CN115922084B CN202310188428.2A CN202310188428A CN115922084B CN 115922084 B CN115922084 B CN 115922084B CN 202310188428 A CN202310188428 A CN 202310188428A CN 115922084 B CN115922084 B CN 115922084B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model provides a laser welding dust removing device, which relates to the technical field of welding dust removing, and comprises a mobile vehicle, a cylindrical water drum arranged on the mobile vehicle, a fan arranged on the outer side surface of the cylindrical water drum, a dust removing structure arranged on the mobile vehicle, and a clamping and fixing structure connected with the dust removing structure, wherein the bottom end of the cylindrical water drum is vertically connected to the inner bottom surface of the mobile vehicle through threads, and the dust removing structure is detachably connected with a laser welding head and is detachably connected with the cylindrical water drum through the fan; the clamping and fixing structure is detachably connected with the laser welding machine and is also detachably connected with the cylindrical water drum; still include the high definition digtal camera subassembly of being connected with dust removal structure. The laser welding dust removing device provided by the utility model can remove dust on the upper and lower sides of a laser welding piece simultaneously, is convenient and fast, and has the multifunctional technical effect.
Description
Technical Field
The utility model belongs to the technical field of welding dust removal, and particularly relates to a laser welding dust removal device.
Background
Laser welding is a highly efficient and precise welding method that uses a laser beam of high energy density as a heat source. Laser welding is one of the important aspects of laser material processing technology applications. The welding process belongs to heat conduction type, namely laser radiation is used for heating the surface of a workpiece, surface heat is diffused to the inside through heat conduction, and the workpiece is melted by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulse, so that a specific molten pool is formed. Because of its unique advantages, it has been successfully applied to precision welding of micro and small parts.
In the manufacturing process of the workpiece, laser welding is performed on the workpiece, and when the laser welding is performed on the workpiece, a large amount of smoke dust appears, and the smoke dust appears to influence the surrounding environment. The current laser welding dust removing structure has a large limitation, for example, the Chinese patent application No. CN2022210776615.0 discloses a laser welding dust removing structure, which is mainly used for removing dust above a welding piece, but a large amount of smoke dust is always present below the welding piece in the actual welding process. Therefore, how to remove dust from the upper and lower sides of the laser welding piece simultaneously becomes a technical problem to be solved in the scheme.
Disclosure of Invention
The utility model aims to provide a laser welding dust removing device, which solves the technical problem of how to remove dust on the upper and lower sides of a laser welding piece at the same time, and has the advantages of convenience and convenience in method and multifunction.
The laser welding dust removing device comprises a mobile vehicle, a cylindrical water drum arranged on the mobile vehicle, a fan arranged on the outer side surface of the cylindrical water drum, a dust removing structure arranged on the mobile vehicle, and a clamping and fixing structure connected with the dust removing structure, wherein the bottom end of the cylindrical water drum is vertically connected with the inner bottom surface of the mobile vehicle through threads, and the dust removing structure is detachably connected with a laser welding head and is detachably connected with the cylindrical water drum through the fan;
the clamping and fixing structure is detachably connected with the laser welding machine and is also detachably connected with the cylindrical water drum;
still include with the high definition digtal camera subassembly that dust removal structure is connected.
The dust removing structure comprises a first mask plate and a second mask plate which are movably clamped on the outer side of the laser welding head, a second glass plate vertically arranged on the outer side of the first mask plate, and a first glass plate vertically arranged on the outer side of the second mask plate, wherein the first mask plate or the second mask plate comprises a protection sheet and an optical filter adhered above the protection sheet, and a plurality of strip through holes are formed in the upper bottom surface and the lower bottom surface of the first glass plate and the second glass plate;
the long through hole on the first glass plate is communicated with the first channel pipe through the first suction pipe, the long through hole on the second glass plate is communicated with the second channel pipe through the second suction pipe, and the first channel pipe and the second channel pipe are connected with the cylindrical water cylinder through a fan.
The high-definition camera assembly comprises a high-definition camera, a video line with one end connected with the high-definition camera and a display screen with the other end connected with the video line, and the high-definition camera is arranged below the first mask plate or the second mask plate.
The clamping and fixing structure comprises a lower main gear attached to the lower part of the mask plate, a lower slave gear attached to the lower part of the mask plate II, a lower main gear shaft penetrating through the center of the lower main gear and connected with the mask plate I, a lower slave gear shaft penetrating through the center of the lower slave gear and connected with the mask plate II, a lower driving gear meshed with the lower main gear, a lower driving shaft penetrating through the center of the lower driving gear, and a motor connected with the lower driving shaft;
the lower master gear shaft, the lower slave gear shaft, and the lower drive shaft vertically pass through the support plate.
The clamping fixing structure further comprises a lifting cylinder, a lifting plate, a clamping rod I, a clamping rod II, an upper main gear, an upper auxiliary gear and an upper driving gear, wherein the bottom end of the lifting cylinder is vertically connected to the supporting plate, the lifting plate is connected with the telescopic end of the lifting cylinder, the clamping rod I and the clamping rod II are attached to the top surface of the lifting plate, the upper main gear is connected with the clamping rod I, the upper auxiliary gear is connected with the clamping rod II, the upper driving gear is meshed with the upper main gear, an upper main gear shaft penetrates through the center of the upper main gear, an upper auxiliary gear shaft penetrates through the center of the upper auxiliary gear, and the upper main gear shaft and the upper auxiliary gear shaft are connected with the lifting plate;
an upper driving shaft penetrates through the center of the upper driving gear, the bottom end of the upper driving shaft is connected with a limiting column with a square section, the bottom end of the limiting column is arranged at the center of the lower driving shaft in a sliding manner, and the upper driving shaft penetrates through the lifting plate;
the clamping rod I and the clamping rod II are detachably clamped on the laser welding machine.
The mobile vehicle comprises a box plate with an upward opening, a power wheel arranged on the bottom surface of the box plate, and a dust removing pipe arranged on the outer side surface of the box plate, wherein the dust removing pipe is connected with the cylindrical water drum through the fan, a threaded hole is formed in the inner bottom surface of the box plate, and the threaded hole is connected with the bottom end of the cylindrical water drum;
the movable trolley is integrally and movably arranged below the welding piece.
The inner side surfaces of the first glass plate and the second glass plate are respectively provided with a communication hole, and the communication holes are communicated with the strip through holes.
The utility model achieves the following remarkable effects:
(1) The dust removing structure and the high-definition camera assembly are arranged in the scheme, and are combined, so that under the shielding effect of the protective sheet and the optical filter, people cannot see the welding seam, and at the moment, the welding position can be clearly judged through the high-definition camera, so that the operation of people is facilitated, meanwhile, in the welding process, the welding situation can be seen through the high-definition camera or the first mask plate and the second mask plate, the welding process is not influenced while dust is prevented and removed, and the operation of people is facilitated;
in addition, under the combined action of the lower driving gear, the lower main gear and the lower auxiliary gear, the first mask plate and the second mask plate can be clamped at the position of the laser welding head, and the positioning function is also realized;
when all the welding dust removal works are finished, the first surface cover plate and the second surface cover plate can be clamped on the outer side of the cylindrical water drum, so that the dust removal structure is positioned on the mobile vehicle;
(2) In order to strengthen the fixed connection, an upper driving gear, an upper main gear and an upper auxiliary gear are further arranged, and are positioned above the laser welding head, so that the effect of strengthening and fixing is achieved;
in addition, when all welding dust removing works are finished, the clamping rod I and the clamping rod II can be clamped at the outer side of the cylindrical water drum, so that the dust removing structure is positioned on the moving vehicle;
(3) The movable trolley is arranged in the scheme, on one hand, the movable trolley has the functions of carrying a dust removing structure and clamping a fixing structure, on the other hand, the upper end face of the box plate is provided with the open slot, dust generated by welding falls into the open slot, and under the suction effect of the dust removing pipe, the dust is sucked into the cylindrical water drum through the fan, so that the dust removing effect is realized;
(4) The cylindrical water drum is detachable to be taken and put from the box plate, the cylindrical water drum not only has the effect of dissolving dust, but also can be positioned on the mobile vehicle through the detachable positioning of the cylindrical water drum, and the multifunctional technical effect is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a welding dust collector in an embodiment of the utility model.
Fig. 2 is a schematic structural diagram of a clamping and fixing structure and a dust removing structure in an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a clamping and fixing structure according to an embodiment of the utility model.
Fig. 4 is a schematic structural diagram of a dust removing structure in an embodiment of the present utility model.
Fig. 5 is a schematic diagram of a connection structure between a cylindrical water drum and a mobile vehicle according to an embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of a mobile vehicle according to an embodiment of the utility model.
Fig. 7 is a schematic diagram of a connection structure between a first mask plate and a second mask plate and a laser welding head according to an embodiment of the present utility model.
Wherein, the reference numerals are as follows: 1. a cylindrical water drum; 1-1, a fan; 2. a clamping rod I; 3. an upper drive shaft; 31. a protruding portion; 4. an upper drive gear; 5. an upper main gear; 6. an upper slave gear; 7. a lifting plate; 8. a limit column; 9. a lifting cylinder; 10. a lower drive shaft; 11. a support plate; 111. a motor; 112. a lower drive gear; 113. a lower main gear; 114. a lower slave gear; 12. a first mask plate; 13. a second mask plate; 14. a moving vehicle; 141. a dust removal pipe; 142. a power wheel; 143. a threaded hole; 15. a first glass plate; 151. a second glass plate; 16. a suction pipe I; 161. a suction pipe II; 17. a first channel pipe; 171. a second channel pipe; 18. high definition camera; 19. a clamping rod II; 20. a laser welding head; 21. a dust removal structure; 22. clamping and fixing structure; 23. and the high-definition camera shooting assembly.
Description of the embodiments
In order to more clearly describe the technical characteristics of the present solution, the present solution is described below by means of specific embodiments.
Referring to fig. 1-7, a laser welding dust removing device comprises a mobile vehicle 14, a cylindrical water drum 1 arranged on the mobile vehicle 14, a fan 1-1 arranged on the outer side surface of the cylindrical water drum 1, a dust removing structure 21 arranged on the mobile vehicle 14, and a clamping and fixing structure 22 connected with the dust removing structure 21, wherein the bottom end of the cylindrical water drum 1 is vertically connected to the inner bottom surface of the mobile vehicle 14 through threads, the dust removing structure 21 is detachably connected with a laser welding head 20, and is detachably connected with the cylindrical water drum 1 through the fan 1-1;
the clamping and fixing structure 22 is detachably connected with the laser welding machine and is also detachably connected with the cylindrical water drum 1;
and the high-definition camera assembly 23 is connected with the dust removing structure 21.
The dust removing structure 21 comprises a first mask plate 12 and a second mask plate 13 which are movably clamped on the outer side of the laser welding head 20, a second glass plate 151 which is vertically arranged on the outer side of the first mask plate 12, and a first glass plate 15 which is vertically arranged on the outer side of the second mask plate 13, wherein the first mask plate 12 or the second mask plate 13 comprises a protection sheet and an optical filter adhered above the protection sheet, and a plurality of strip through holes are formed in the upper bottom surface and the lower bottom surface of the first glass plate 15 and the second glass plate 151;
the long through hole on the first glass plate 15 is communicated with the first channel pipe 17 through the first suction pipe 16, the long through hole on the second glass plate 151 is communicated with the second channel pipe 171 through the second suction pipe 161, and the first channel pipe 17 and the second channel pipe 171 are connected with the cylindrical water drum 1 through the fan 1-1.
The high-definition camera assembly 23 comprises a high-definition camera 18, a video line with one end connected with the high-definition camera 18 and a display screen connected with the other end of the video line, wherein the high-definition camera 18 is arranged below the first mask plate 12 or the second mask plate 13.
The clamping and fixing structure 22 comprises a lower main gear 113 attached below the first mask plate 12, a lower auxiliary gear 114 attached below the second mask plate 13, a lower main gear shaft penetrating through the center of the lower main gear 113 and connected with the first mask plate 12, a lower auxiliary gear shaft penetrating through the center of the lower auxiliary gear 114 and connected with the second mask plate 13, a lower driving gear 112 meshed with the lower main gear 113, a lower driving shaft 10 penetrating through the center of the lower driving gear 112, and a motor 111 connected with the lower driving shaft 10;
the lower master gear shaft, the lower slave gear shaft, and the lower drive shaft 10 vertically pass through the support plate 11.
The clamping and fixing structure 22 further comprises a lifting air cylinder 9, a lifting plate 7, a clamping rod I2, a clamping rod II 19, an upper main gear 5, an upper slave gear 6 and an upper driving gear 4, wherein the bottom end of the lifting air cylinder 9 is vertically connected to the supporting plate 11, the lifting plate 7 is connected with the telescopic end of the lifting air cylinder 9, the clamping rod I2 and the clamping rod II 19 are attached to the top surface of the lifting plate 7, the upper slave gear 6 is connected with the clamping rod II 19, the upper driving gear 4 is meshed with the upper main gear 5, an upper master gear shaft is penetrated in the center of the upper master gear 5, an upper slave gear shaft is penetrated in the center of the upper slave gear 6, and the upper master gear shaft and the upper slave gear shaft are connected with the lifting plate 7;
an upper driving shaft 3 is arranged in the center of the upper driving gear 4 in a penetrating way, the bottom end of the upper driving shaft 3 is connected with a limiting column 8 with a square section, the bottom end of the limiting column 8 is arranged in the center of a lower driving shaft 10 in a sliding way, and the upper driving shaft 3 is arranged in a penetrating way on a protruding part 31 of a lifting plate 7 in a penetrating way;
the clamping rod I2 and the clamping rod II 19 are detachably clamped on the laser welding machine.
The mobile vehicle 14 comprises a box plate with an upward opening, a power wheel 142 arranged on the bottom surface of the box plate, and a dust removing pipe 141 arranged on the outer side surface of the box plate, wherein the dust removing pipe 141 is connected with the cylindrical water drum 1 through a fan 1-1, a threaded hole 143 is arranged on the inner bottom surface of the box plate, and the threaded hole 143 is connected with the bottom end of the cylindrical water drum 1;
the carriage 14 is movably disposed entirely below the weldment.
The inner side surfaces of the first glass plate 15 and the second glass plate 151 are respectively provided with a communication hole, and the communication holes are communicated with the long through holes.
The specific working process of the utility model comprises the following steps:
in the scheme, a dust removing structure 21 and a high-definition camera shooting assembly 23 are arranged, and a first mask plate 12 and a second mask plate 13 are arranged at the position of a laser welding head 20, wherein the first mask plate 12 or the second mask plate 13 is composed of a protection sheet and an optical filter, the protection sheet and the optical filter are made of existing materials and are commonly used materials in a conventionally used laser welding mask, and the details are not described here;
because the laser welding head 20 is covered by the first mask plate 12 and the second mask plate 13, people can not see the welding gap, so that the welding process is affected, and at the moment, the high-definition camera 18 is arranged, so that people can see the situation below the first mask plate 12 and the second mask plate 13 through the display screen;
starting a fan 1-1, forming negative pressure by the long strip through holes in the first glass plate 15 and the second glass plate 151 under the suction action of the fan 1-1, enabling welding fume to enter the long strip through holes, sucking the welding fume into the cylindrical water drum 1 through a flexible pipe, and completing the collection work of the fume, wherein the flexible pipe has a certain length, so that the laser welding head 20 can conveniently move for a long distance according to the actual welding condition; in addition, a spray head can be arranged on the outer side of the supporting plate 11, the spray head is connected with the cylindrical water drum 1, the spray head can be used for the water cooling process of the welding piece, the flexible pipe and the spray head can be installed according to actual situations, and detailed labels are not required in the drawings, so that the water cooling process is explained;
in addition, under the action of the motor 111, the lower driving gear 112 rotates and drives the lower main gear 113 and the lower auxiliary gear 114 to operate, and the mask plate I12 and the mask plate II 13 can be clamped at the position of the laser welding head 20;
meanwhile, under the action of the lower driving shaft 10, the limiting column 8 is driven to rotate, the limiting column 8 simultaneously drives the upper driving shaft 3 to rotate, the upper driving gear 4 is driven to rotate along with the limiting column, the upper driving gear 4 drives the upper main gear 5 and the upper auxiliary gear 6 to rotate, and the clamping rod I2 and the clamping rod II 19 can be movably clamped on the laser welding machine along with the upper driving gear 5 and the upper auxiliary gear 6;
this scheme is provided with cylindricality water drum 1 on locomotive 14, utilize clamping lever one 2 and clamping lever two 19, mask board one 12 and mask board two 13, the block is in cylindricality water drum 1's outside, fix a position on locomotive 14 through cylindricality water drum 1, carry out subsequent transport or shift work, when the welding dust removal operation that needs next time, separate locomotive 14, cylindricality water drum 1 and dust removal structure 21, centre gripping fixed knot constructs 22, high definition digtal module 23, locomotive 14 and cylindricality water drum 1 place the next door of waiting the welded workpiece can, locomotive 14 and cylindricality water drum 1 do not participate in the removal process of laser welding head 20 this moment, and dust removal structure 21, centre gripping fixed knot constructs 22 and high definition digtal module 23 then move along with laser welding head 20.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (3)
1. The laser welding dust removing device comprises a moving vehicle (14) and is characterized by further comprising a cylindrical water drum (1) arranged on the moving vehicle (14), a fan (1-1) arranged on the outer side surface of the cylindrical water drum (1), a dust removing structure (21) arranged on the moving vehicle (14), and a clamping and fixing structure (22) connected with the dust removing structure (21), wherein the bottom end of the cylindrical water drum (1) is vertically connected to the inner bottom surface of the moving vehicle (14) through threads, and the dust removing structure (21) is detachably connected with a laser welding head (20) and is detachably connected with the cylindrical water drum (1) through the fan (1-1);
the clamping and fixing structure (22) is detachably connected with the laser welding machine and is also detachably connected with the cylindrical water drum (1);
the high-definition camera assembly (23) is connected with the dust removing structure (21);
the dust removing structure (21) comprises a first mask plate (12) and a second mask plate (13) which are movably clamped on the outer side of the laser welding head (20), a second glass plate (151) which is vertically arranged on the outer side of the first mask plate (12) and a first glass plate (15) which is vertically arranged on the outer side of the second mask plate (13), wherein the first mask plate (12) or the second mask plate (13) comprises a protection sheet and an optical filter adhered above the protection sheet, and a plurality of strip through holes are formed in the upper bottom surface and the lower bottom surface of the first glass plate (15) and the second glass plate (151);
the long through hole on the first glass plate (15) is communicated with the first channel pipe (17) through the first suction pipe (16), the long through hole on the second glass plate (151) is communicated with the second channel pipe (171) through the second suction pipe (161), and the first channel pipe (17) and the second channel pipe (171) are connected with the cylindrical water drum (1) through a fan (1-1);
the high-definition camera assembly (23) comprises a high-definition camera (18), a video line with one end connected with the high-definition camera (18) and a display screen connected with the other end of the video line, and the high-definition camera (18) is arranged below the first mask plate (12) or the second mask plate (13);
the clamping and fixing structure (22) comprises a lower main gear (113) attached below the first mask plate (12), a lower auxiliary gear (114) attached below the second mask plate (13), a lower main gear shaft penetrating through the center of the lower main gear (113) and connected with the first mask plate (12), a lower auxiliary gear shaft penetrating through the center of the lower auxiliary gear (114) and connected with the second mask plate (13), a lower driving gear (112) meshed with the lower main gear (113), a lower driving shaft (10) penetrating through the center of the lower driving gear (112) and a motor (111) connected with the lower driving shaft (10); the lower master gear shaft, the lower slave gear shaft and the lower drive shaft (10) vertically penetrate through a support plate (11);
the clamping and fixing structure (22) further comprises a lifting cylinder (9) with the bottom end vertically connected to the supporting plate (11), a lifting plate (7) connected with the telescopic end of the lifting cylinder (9), a clamping rod I (2) and a clamping rod II (19) attached to the top surface of the lifting plate (7), an upper main gear (5) connected with the clamping rod I (2), an upper driven gear (6) connected with the clamping rod II (19), and an upper driving gear (4) meshed with the upper main gear (5), wherein an upper main gear shaft is arranged at the center of the upper main gear (5), an upper driven gear shaft is arranged at the center of the upper driven gear (6), and the upper main gear shaft and the upper driven gear shaft are connected with the lifting plate (7); an upper driving shaft (3) is arranged in the center of the upper driving gear (4) in a penetrating way, the bottom end of the upper driving shaft (3) is connected with a limiting column (8) with a square section, the bottom end of the limiting column (8) is arranged in the center of the lower driving shaft (10) in a sliding way, and the upper driving shaft (3) is arranged in the lifting plate (7) in a penetrating way; the clamping rod I (2) and the clamping rod II (19) are detachably clamped on the laser welding machine.
2. The laser welding dust removing device according to claim 1, wherein the mobile vehicle (14) comprises a box plate with an upward opening, a power wheel (142) arranged on the bottom surface of the box plate, and a dust removing pipe (141) arranged on the outer side surface of the box plate, the dust removing pipe (141) is connected with the cylindrical water drum (1) through the fan (1-1), a threaded hole (143) is arranged on the inner bottom surface of the box plate, and the threaded hole (143) is connected with the bottom end of the cylindrical water drum (1); the moving vehicle (14) is movably arranged below the welding piece.
3. The laser welding dust removing apparatus according to claim 1, wherein the inner side surfaces of the first glass plate (15) and the second glass plate (151) are respectively provided with communication holes, the communication holes being in communication with the elongated through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310188428.2A CN115922084B (en) | 2023-03-02 | 2023-03-02 | Laser welding dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310188428.2A CN115922084B (en) | 2023-03-02 | 2023-03-02 | Laser welding dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115922084A CN115922084A (en) | 2023-04-07 |
| CN115922084B true CN115922084B (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310188428.2A Active CN115922084B (en) | 2023-03-02 | 2023-03-02 | Laser welding dust collector |
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| CN (1) | CN115922084B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204818431U (en) * | 2015-06-15 | 2015-12-02 | 北京万恒镭特机电设备有限公司 | Laser welding device who contains dust removal structure |
| CN206382705U (en) * | 2017-01-18 | 2017-08-08 | 郑州博奥激光科技有限责任公司 | A kind of laser-beam welding machine |
| CN210281083U (en) * | 2019-06-04 | 2020-04-10 | 杭州华沃激光科技有限公司 | Laser welding machine device with dust removal cooling function |
| CN209394153U (en) * | 2019-08-14 | 2019-09-17 | 青岛海朋激光科技有限公司 | A kind of dedusting laser welding head |
| CN214024067U (en) * | 2020-12-30 | 2021-08-24 | 山东德晋新能源科技有限公司 | Laser welding dust collector |
| CN216262627U (en) * | 2021-10-31 | 2022-04-12 | 广东利元亨智能装备股份有限公司 | Dust excluding hood and laser welding device |
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2023
- 2023-03-02 CN CN202310188428.2A patent/CN115922084B/en active Active
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| CN115922084A (en) | 2023-04-07 |
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