CN217942193U - Laser welding seam side pressing mechanism - Google Patents
Laser welding seam side pressing mechanism Download PDFInfo
- Publication number
- CN217942193U CN217942193U CN202221449976.3U CN202221449976U CN217942193U CN 217942193 U CN217942193 U CN 217942193U CN 202221449976 U CN202221449976 U CN 202221449976U CN 217942193 U CN217942193 U CN 217942193U
- Authority
- CN
- China
- Prior art keywords
- pipe
- welding
- gas
- passageway
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model provides a laser welding seam side pressure mechanism, include: welding pipe and dust absorption pipe, the welding pipe is relative both ends open-ended access structure, shielding gas passageway and dust removal passageway have been seted up to the lateral wall of welding pipe, the shielding gas passageway is used for letting in shielding gas to the welding pipe, the dust removal passageway is used for discharging gas and lime-ash in the welding pipe, the gas outlet and the dust absorption pipe of dust removal passageway communicate each other, the one of them one end opening inboard of welding pipe has seted up the sweeping gas passageway, the sweeping gas passageway is used for sweeping the welding pipe to the opening part that is provided with the sweeping gas passageway, the gas outlet of sweeping gas passageway is provided with the one end open-ended outside of sweeping gas passageway towards the welding pipe. The utility model discloses can realize carrying out high-efficient the collection to the welding slag dust that laser weld department produced, have better guard action to the welding seam simultaneously.
Description
Technical Field
The utility model relates to a battery production facility technical field especially relates to a laser welding seam side pressure mechanism.
Background
In the process of energy storage module or power battery module production assembly, welding process need be advanced when end plate and curb plate overlap joint, generally adopt laser welding to realize the connection of welding seam, and the welded in-process is avoided the welding to produce the smoke and dust or fall the sediment problem, influences the safe in utilization of energy storage module and battery module, needs compress tightly, nitrogen gas protection and dust removal processing to the welding position.
However, in the prior art, the compressing, nitrogen-blowing and dust-removing structures are all designed separately, and in the separated structure, the dust-removing structure is difficult to realize all-dimensional dust and slag removal, and particularly, under the condition of nitrogen purging, dust and welding slag are easily influenced by purging wind power and are difficult to completely collect due to rapid movement.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can carry out the laser welding seam side pressure structure of collecting completely to dust and welding slag after sweeping.
The technical scheme of the utility model is realized like this: the utility model provides a laser welding seam side pressure mechanism, include: welding pipe and dust absorption pipe, the welding pipe is relative both ends open-ended access structure, shielding gas passageway and dust removal passageway have been seted up to the lateral wall of welding pipe, the shielding gas passageway is used for letting in shielding gas to the welding pipe, the dust removal passageway is used for discharging gas and lime-ash in the welding pipe, the gas outlet and the dust absorption pipe of dust removal passageway communicate each other, the one of them one end opening inboard of welding pipe has seted up the sweeping gas passageway, the sweeping gas passageway is used for sweeping the welding pipe to the opening part that is provided with the sweeping gas passageway, the gas outlet of sweeping gas passageway is provided with the one end open-ended outside of sweeping gas passageway towards the welding pipe.
On the basis of the technical scheme, the dust collection pipe can be a linear type pipe and can also be a bent pipe, the bending angle of the dust collection pipe is preferably 120-150 degrees, the bending area is in smooth transition, the inner wall of the dust collection pipe and the inner wall of the joint of the dust collection pipe and the welding pipe are in smooth transition, and therefore the dust collection pipe is beneficial to dust suction and can effectively avoid dust accumulation and loss of suction wind power.
On the basis of the technical scheme, preferably, the air outlet of the protective air channel is opposite to the air inlet of the dust removal channel.
On the basis of the technical scheme, preferably, the air outlet of the purge air channel is an oblong hole, and the length direction of the air outlet of the purge air channel is parallel to the plane of the opening at the end, provided with the purge air channel, of the welding pipe.
On the basis of the above technical solution, preferably, an opening at one end of the welding pipe where the purge gas channel is provided is rectangular, and a length direction of an opening of the gas outlet of the purge gas channel is parallel to a length direction of the rectangular opening.
On the basis of the above technical solution, preferably, the opening width of the end of the welding pipe where the purge gas channel is provided is 20-30mm.
On the basis of the above technical scheme, preferably, the distance from the projection of the air outlet of the purge gas channel on the opening plane at the end of the welding pipe where the purge gas channel is arranged to the central axis of the welding pipe in the length direction is 2-5mm.
On the basis of the above technical solution, preferably, the number of the air outlets of the purge gas channels is two, and the air outlets of the two purge gas channels are respectively arranged on the inner surfaces of two opposite sides of the opening of the welding pipe.
On the basis of the technical scheme, preferably, the number of the air inlets of the blowing air channels is not less than two, and at least two air inlets of the blowing air channels are respectively arranged on the two opposite side surfaces outside the welding pipe.
On the basis of above technical scheme, it is preferred, the welding pipe includes body and side pressure head, and the body is both ends open-ended access structure, and the side pressure head is closed annular structure, the body is close to the one end of side pressure head and is equipped with annular air cavity along the opening circumference of body, and the body side is equipped with the air inlet, and air inlet and annular air cavity intercommunication, the inside wall of side pressure head are equipped with the gas outlet, and the one side that the side pressure head is close to the body is equipped with the connector, side pressure head demountable installation is on the one end opening that the body is equipped with annular air cavity, and the connector communicates with annular air cavity each other, and the gas outlet communicates each other with annular air cavity and air inlet and forms the purge gas passageway.
On the basis of the technical scheme, preferably, the thickness of the side pressure head along the length direction of the pipe body is not less than 30mm, the length of the pipe body is not less than 120mm, the side pressure head is not beneficial to processing a corresponding air outlet when being too thin, and the pipe body is not beneficial to processing a dust removal channel when being too short, so that the dust removal suction is not beneficial.
On the basis of the technical scheme, preferably, the distance between the inner side walls of the side pressure heads is not less than 15mm, and when the width is too small, the illumination processing in the laser welding process is not facilitated.
On the basis of the above technical solution, preferably, the distance between the inner side walls of the tube body is not less than 30mm, when the width distance is too small, a laser focusing light path of laser welding is not easy to propagate, and cannot meet the swing of a galvanometer, and meanwhile, a welding error and a safety margin need to be considered, and preferably, the width = a welding deviation specification + an assembly deviation + a safety margin + a length of a welding tube tan (a focusing angle of a welding laser beam).
On the basis of the technical scheme, preferably, the connecting part between the side pressure head and the pipe body needs to be subjected to chamfering treatment, and the chamfering angle is larger than the focusing angle of the laser beam, so that the laser beam can smoothly pass through the pipe body.
On the basis of the technical scheme, the welding device is preferable to further comprise a driving cylinder, the output end of the driving cylinder is fixedly connected with the welding pipe, and the driving direction of the driving cylinder is parallel to the opening direction of the welding pipe.
The utility model discloses for prior art following beneficial effect has:
(1) The utility model discloses a pipeline structure treats the welding position and protects, the tip opening laminating of welding pipe is on the plane of treating the welding, thereby form one end open-ended cavity structures, the laser welding instrument shines the welding through the open end towards the face of weld, the shielding gas passageway lets in the shielding gas to the welding intraductal, this moment because the welding pipe is laminated with the face of weld, therefore only one opening, the shielding gas is effectual to the space protection in the welding pipe, simultaneously because the space has only one opening, dust and welding slag that the welding process produced can be better collected by the dust absorption pipe, the one end of setting up the purge gas passageway simultaneously is used for sweeping and cooling the face of weld, therefore it is relative, shielding gas passageway and dust removal passageway all are located the one side of keeping away from the purge gas passageway, the dust and the welding slag that the welding produced are difficult to break away from the welding pipe at this moment;
(2) Further, although the purge gas passageway can sweep in order to reach the cooling and the purpose of sweeping the dust to welding position, but if directly sweep then lead to welding position's solution to splash easily, influence welding quality, if sweep the distance too far, then sweep the effect poor, the cooling effect is also poor, consequently, the utility model discloses prescribe a limit to the gas outlet shape of purge gas passageway, adopt the slotted hole structure, can realize blowing up the cooling to longer region, the position of blowing simultaneously is 2-5mm apart from the opening axis of welded tube, and the effect of sweeping this moment is best, aligns welding seam and central line simultaneously, convenient location.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an isometric view of a laser weld side pressing mechanism of the present invention;
FIG. 2 is an exploded view of the laser weld lateral pressing mechanism of the present invention;
fig. 3 is an explosion diagram of the laser welding seam lateral pressure mechanism of the utility model;
FIG. 4 is an exploded view of a welded pipe in the laser welding seam lateral pressure mechanism of the present invention;
FIG. 5 is a top cross-sectional view of a welded pipe in the laser welding seam lateral pressing mechanism of the present invention;
FIG. 6 is a cross-sectional view of the laser welding seam lateral pressing mechanism of the present invention in a state of being matched with the laser galvanometer;
fig. 7 is the cross-sectional view of the laser welding seam lateral pressure mechanism and the laser galvanometer cooperation state of the utility model.
In the figure: 1-welding pipe, 2-dust suction pipe, 3-driving cylinder, 11-protective gas channel, 12-dust removal channel, 13-purge gas channel, 14-pipe body, 15-side pressure head, 16-annular gas cavity, 141-gas inlet, 151-gas outlet and 152-connecting port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, with reference to fig. 2-7, the laser welding seam side pressing mechanism of the present invention comprises: welding pipe 1 and dust absorption pipe 2, welding pipe 1 is relative both ends open-ended access structure, shielding gas passageway 11 and dust removal passageway 12 have been seted up to welding pipe 1's lateral wall, shielding gas passageway 11 is used for letting in shielding gas in welding pipe 1, dust removal passageway 12 is used for gaseous and lime-ash discharge in will welding pipe 1, the gas outlet and the dust absorption pipe 2 of dust removal passageway 12 communicate each other, welding pipe 1's wherein one end opening inboard has seted up purge gas passageway 13, purge gas passageway 13 is used for sweeping welding pipe 1 to the opening part that is provided with purge gas passageway 13, purge gas passageway 13's gas outlet orientation welding pipe 1 is provided with the one end open-ended outside of purge gas passageway 13.
In the above embodiment, the one end opening that welding pipe 1 was provided with purge gas passageway 13 is used for the tight plane of treating the welding that pastes, it is corresponding, shielding gas passageway 11 and dust removal passageway 12 then are located the one side that purge gas passageway 13 kept away from the face of weld respectively, at this moment, outside laser welding device carries out welding process to the face of weld through the passageway in the welding pipe 1, in the welding process, outside shielding gas source passes through shielding gas passageway 11 and carries shielding gas to welding pipe 1 inboard, shielding gas passes through the one end opening that welding pipe 1 kept away from the face of weld and dust removal passageway 12 discharges excessive gas, thereby it causes the destruction to the face of weld to restrain oxidizing gas, dust and welding slag etc. that the face of weld produced because of the welding can get into in dust removal passageway 12 along with the circulation of shielding gas simultaneously, discharge through dust absorption pipe 2, dust absorption pipe 2 communicates with the negative pressure suction structure of outside, the high temperature heat that the face of weld produced then cools down through purge gas passageway 13.
In a specific embodiment, the air outlet of the shielding gas channel 11 is opposite to the air inlet of the dust removing channel 12.
In the above embodiment, the shielding gas channel 11 and the dust removal channel 12 form a gas curtain structure, so that the shielding gas can be always filled in the welding pipe 1, and the gas atmosphere at the welding surface is stable.
In the specific embodiment, the air outlet of the purge gas channel 13 is an oblong hole, and the length direction of the air outlet of the purge gas channel 13 is parallel to the plane of the opening at the end of the welding pipe 1 where the purge gas channel 13 is arranged.
In the above embodiment, since the welding seam between the battery end plate and the side plate is generally a straight line structure, the welding seam during welding is generally a straight line type, in order to make the cooling effect during welding better, the air outlet of the purge gas channel 13 is set to be in the shape of a long circular hole, the blown length range is larger, and when the long circular hole is narrow, the wind power correspondence can be more concentrated, the cooling effect is good, in order to make the air blow uniform, the opening of the long circular hole is in the same plane, and the length direction of the long circular hole is parallel to the plane of the opening at the end of the welding pipe 1 where the purge gas channel 13 is arranged, at this time, when the opening at the end of the welding pipe 1 where the purge gas channel 13 is arranged is tightly attached to the welding surface, the corresponding air outlet of the long circular hole is parallel to the welding surface.
In the specific embodiment, the opening of the end of the welding pipe 1 where the purge gas channel 13 is provided is rectangular, and the length direction of the opening of the air outlet of the purge gas channel 13 is parallel to the length direction of the rectangular opening.
In the above embodiment, in order to adapt to the structure of the weld joint, the opening of the welded pipe 1 is set to be rectangular, the weld joint is arranged along the length direction of the rectangular opening, and the rectangular opening is more regular in shape, so that the weld joint is conveniently positioned.
In the embodiment, the opening width of the end of the welded pipe 1 where the purge gas passage 13 is provided is 20 to 30mm.
In the above embodiment, the one size is preferred.
In a specific embodiment, the projection of the air outlet of the purge gas channel 13 in the air outlet direction on the opening plane of the end of the welding pipe 1 where the purge gas channel 13 is arranged is 2-5mm away from the central axis of the opening of the end of the welding pipe 1 where the purge gas channel 13 is arranged in the length direction.
In the above embodiment, when the air flow discharged from the purge air passage 13 cools the weld, the weld solution is likely to splash too close, and the cooling effect is poor too far, therefore, as a better embodiment, when the distance between the blowing position and the weld is 2-5mm, the purge effect is best, and the weld is located at the opening axis position of the welding pipe 1 by default, and the positioning of the weld position is most convenient and is most easily controlled at this time.
In the embodiment, the number of the gas outlets of the purge gas passages 13 is two, and the gas outlets of the two purge gas passages 13 are respectively arranged on the inner surfaces of the two opposite sides of the opening of the welded pipe 1.
As a better embodiment, the air outlets are formed in the two opposite side surfaces of the opening of the welding pipe 1, so that both sides can be well cooled, meanwhile, the two sides are swept, the stress on a welding solution is more uniform, and the quality of a welding seam is kept.
In the specific embodiment, the number of the air inlets of the purge gas passages 13 is not less than two, and the air inlets of at least two purge gas passages 13 are respectively arranged on two opposite side surfaces outside the welded pipe 1.
In the above embodiment, the air inlets of the opposite purge air channels 13 can allow the intake air flow to be convectively and uniformly mixed when being discharged from the air outlet, so as to avoid the deviation of the air flow at the air outlet to cause uneven purging.
In a specific embodiment, the welded pipe 1 includes a pipe body 14 and a side pressure head 15, the pipe body 14 is a channel structure with two open ends, the side pressure head 15 is a closed ring structure, one end of the pipe body 14 close to the side pressure head 15 is provided with an annular air chamber 16 along the opening circumference of the pipe body 14, the side of the pipe body 14 is provided with an air inlet 141, the air inlet 141 is communicated with the annular air chamber 16, the inner side wall of the side pressure head 15 is provided with an air outlet 151, one side of the side pressure head 15 close to the pipe body 14 is provided with a connecting port 152, the side pressure head 15 is detachably mounted on the opening of the pipe body 14 at the end provided with the annular air chamber 16, the connecting port 152 is communicated with the annular air chamber 16, and the air outlet 151 is communicated with the annular air chamber 16 and the air inlet 141 to form the purge air channel 13.
In the above embodiment, the purge gases entering from the two air inlets 141 are first mixed uniformly in the annular air chamber 16, then enter the channel where the air outlet 151 is located in the side pressure head 15 and finally are discharged from the air outlet 151, so as to facilitate the processing of the corresponding annular air chamber 16, the welding pipe 1 is divided into a pipe body 14 and a corresponding side pressure head 15, which are fixedly connected in a detachable manner, thereby realizing the sealing of the annular air chamber 16 and the communication with the air inlets 141 and the air outlet 151, and the sealing treatment of the annular air chamber 16 can be performed when the side pressure head 15 is mounted at the end of the pipe body 14, and the connection port 152 is communicated with the annular air chamber 16.
In the specific embodiment, the welding device further comprises a driving cylinder 3, the output end of the driving cylinder 3 is fixedly connected with the welding pipe 1, and the driving direction of the driving cylinder 3 is parallel to the opening direction of the welding pipe 1.
In the above embodiment, the driving cylinder 3 is used to drive the laser welding seam side pressing mechanism of the present application to move so that it can be selectively abutted against the welding surface.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a laser weld seam side pressure mechanism which characterized in that includes: welding pipe (1) and dust absorption pipe (2), welding pipe (1) is relative both ends open-ended access structure, protective gas passageway (11) and dust removal passageway (12) have been seted up to the lateral wall of welding pipe (1), protective gas passageway (11) are used for letting in protective gas in to welding pipe (1), dust removal passageway (12) are used for discharging gas and lime-ash in welding pipe (1), the gas outlet and the dust absorption pipe (2) of dust removal passageway (12) communicate each other, sweep gas passageway (13) have been seted up to one of them end opening inboard of welding pipe (1), sweep gas passageway (13) are used for sweeping the opening part that is provided with sweep gas passageway (13) welding pipe (1), the gas outlet of sweep gas passageway (13) is provided with the one end open-ended outside of sweep gas passageway (13) towards welding pipe (1).
2. The laser welding seam side-pressing mechanism of claim 1, wherein the air outlet of the shielding gas channel (11) is arranged opposite to the air inlet of the dust removing channel (12).
3. The laser welding seam side pressing mechanism as claimed in claim 1, wherein the air outlet of the purge air channel (13) is a long round hole, and the length direction of the air outlet of the purge air channel (13) is parallel to the plane of the opening at the end of the welding pipe (1) where the purge air channel (13) is arranged.
4. The laser welding seam side pressing mechanism according to claim 3, wherein the opening of the welding pipe (1) at the end where the purge gas channel (13) is provided is rectangular, and the length direction of the opening of the gas outlet of the purge gas channel (13) is parallel to the length direction of the rectangular opening.
5. The laser welding seam side pressing mechanism according to claim 4, wherein the opening width of the end of the welding pipe (1) where the purge gas channel (13) is provided is 20-30mm.
6. The laser welding seam side pressing mechanism according to claim 4, wherein the projection of the gas outlet of the purge gas channel (13) in the gas outlet direction on the plane of the opening of the welding pipe (1) at the end where the purge gas channel (13) is provided is 2-5mm from the central axis of the opening of the welding pipe (1) at the end where the purge gas channel (13) is provided in the length direction.
7. The laser welding seam side pressing mechanism according to claim 1, wherein the number of the gas outlets of the purge gas passages (13) is two, and the gas outlets of the two purge gas passages (13) are respectively arranged on the inner surfaces of the two opposite sides of the opening of the welding pipe (1).
8. The laser welding seam side pressing mechanism according to claim 1, wherein the number of the gas inlets of the purge gas passages (13) is not less than two, and the gas inlets of at least two purge gas passages (13) are respectively provided on opposite sides of the outside of the welding pipe (1).
9. The laser welding seam side pressing mechanism according to claim 1, wherein the welding pipe (1) comprises a pipe body (14) and a side pressing head (15), the pipe body (14) is of a channel structure with two open ends, the side pressing head (15) is of a closed ring structure, one end, close to the side pressing head (15), of the pipe body (14) is provided with a ring-shaped air cavity (16) along the opening circumference of the pipe body (14), the side surface of the pipe body (14) is provided with an air inlet (141), the air inlet (141) is communicated with the ring-shaped air cavity (16), the inner side wall of the side pressing head (15) is provided with an air outlet (151), one side of the side pressing head (15), close to the pipe body (14), is provided with a connecting port (152), the side pressing head (15) is detachably mounted on the opening, at the end, provided with the ring-shaped air cavity (16), of the side pressing head (14), the connecting port (152) is communicated with the ring-shaped air cavity (16), and the air outlet (151) is communicated with the ring-shaped air cavity (16) and the air inlet (141) to form the blowing air channel (13).
10. The laser welding seam side pressing mechanism according to claim 1, further comprising a driving cylinder (3), wherein the output end of the driving cylinder (3) is fixedly connected with the welding pipe (1), and the driving direction of the driving cylinder (3) is parallel to the opening direction of the welding pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221449976.3U CN217942193U (en) | 2022-06-10 | 2022-06-10 | Laser welding seam side pressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221449976.3U CN217942193U (en) | 2022-06-10 | 2022-06-10 | Laser welding seam side pressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217942193U true CN217942193U (en) | 2022-12-02 |
Family
ID=84215656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221449976.3U Active CN217942193U (en) | 2022-06-10 | 2022-06-10 | Laser welding seam side pressing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217942193U (en) |
-
2022
- 2022-06-10 CN CN202221449976.3U patent/CN217942193U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1279456C (en) | Corrugated mold block | |
| KR100534237B1 (en) | Method of producing lead storage batteries and jig for production thereof | |
| CN109623112B (en) | Back atmosphere protection device for argon arc welding of shell | |
| CN109483055A (en) | A kind of battery core connection sheet welding mechanism and its welding method | |
| CN217942193U (en) | Laser welding seam side pressing mechanism | |
| CN214024067U (en) | Laser welding dust collector | |
| CN113021880A (en) | Dust collecting device for laser cladding head with coaxial powder feeding | |
| CN216938957U (en) | Laser welding copper nozzle for lithium battery and welding equipment | |
| CN216370660U (en) | Laser welding machine with efficient dust removal and smoke purification functions for precision manufacturing engineering | |
| CN215880324U (en) | Laser welding copper nozzle, laser welding auxiliary device and laser welding equipment | |
| CN209944674U (en) | Welding workshop air supply system | |
| CN218503659U (en) | Be used for lithium cell aluminum sheet welded dust extraction device | |
| CN112108764A (en) | Laser welding processing technology | |
| CN219724980U (en) | Laser welding copper nozzle and laser welding equipment | |
| CN218657393U (en) | Welding shade | |
| CN218800044U (en) | Machining welding equipment | |
| CN218311510U (en) | Clean type metal sheet laser cutting machine | |
| CN210582363U (en) | Jet dust collector | |
| CN220196659U (en) | Dust excluding hood, battery welding device and production line | |
| CN217618433U (en) | Device for isolating foreign matters on surface of laser lens | |
| CN214815775U (en) | Auxiliary device for laser welding | |
| CN211635810U (en) | Industrial waste gas treatment device | |
| CN114378446B (en) | Laser processing auxiliary device, method and laser equipment with device | |
| CN218517916U (en) | Air-cooled handheld laser welding gun | |
| CN214054161U (en) | Welding gun purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |