Progressive laser welding dust removal device

Abstract

The application discloses a kind of hierarchical progressive laser welding dust removal equipment, including laser installed on equipment support and welding platform located directly below it, also including dust removal piece between welding platform and laser, the dust removal piece includes welding slag splashing dust removal assembly and welding station dust removal assembly located in its lower part.The application is realized double dust removal by setting dust removal assembly in welding slag splashing dust removal assembly and welding station dust removal assembly, ensure that dust can be treated comprehensively, and progressive dust fall assembly is set in welding slag splashing dust removal assembly, dust removal is carried out by progressive dust fall assembly, dust can be slowed down by level, effectively slow down welding slag and increase dust removal efficiency, and the hierarchical progressive laser welding dust removal mechanism of the application adopts non-contact dust removal mode, simple structure, reduce space occupation, easy to install.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser welding dust removal, in particular to a hierarchical progressive laser welding dust removal equipment. BACKGROUND

[0002] The power battery connecting piece is generally welded by laser welding, and if the welding dust is not well controlled, it may fly into the diaphragm or pollute the workshop, causing the dust concentration in the workshop to rise and the cleanliness to decrease. The dust or welding slag generated during laser welding may splash, and the splashed dust or welding slag has a relatively large particle size and a certain initial velocity, and also has a certain temperature, and if not timely removed, it may adhere to the surface of the object after cooling and be difficult to clean. The commonly used welding dust removal equipment generally directly connects an external air suction pump to the welding position to remove dust from the welding position.

[0003] For example, the existing patent literature with the publication number CN219310338U and the patent name "laser cutting dust removal device" specifically discloses "a rack is arranged on the ground, a cutting platform for fixing the cutting object is arranged on the rack, a cutting assembly is arranged above the rack for cutting the cutting object, a sliding assembly is slidably connected to the rack for driving the cutting assembly to slide, and a dust suction assembly is arranged on one side of the rack for timely absorbing the particles and waste gas during cutting. The application has the advantage of improving the dust removal effect during laser cutting", the above patent literature directly arranges a dust removal device outside the laser welding area, and the dust removal device is directly connected with an external air suction pump. However, such a mode often has some disadvantages, such as large occupation area, poor dust removal efficiency, inability to comprehensively remove dust, and easy adhesion of dust to the surface of the object during dust generation. SUMMARY

[0004] The technical problem to be solved by the present application is how to solve the problems of poor dust removal efficiency in the welding area, inability to comprehensively remove dust, and easy adhesion of dust to the surface of the object during dust generation.

[0005] To solve the above technical problems, the present application provides the following technical solutions.

[0006] A hierarchical progressive laser welding dust removal equipment, comprising a laser installed on a device support and a welding platform located directly below the laser, further comprising a dust removal member located between the welding platform and the laser, wherein the dust removal member comprises a welding slag splashing dust removal assembly and a welding station dust removal assembly located at the lower part of the welding slag splashing dust removal assembly.

[0007] The welding slag splashing dust removal assembly comprises a dust removal cavity, a dust removal cover plate is arranged outside the dust removal cavity, one end of the dust removal cavity is communicated with a dust removal pipeline, and a progressive dust falling assembly is arranged inside the dust removal cavity.

[0008] The welding slag splashing dust removal assembly and the welding station dust removal assembly are arranged in the dust removal assembly, so that double dust removal is realized, dust can be comprehensively treated, the progressive dust falling assembly is arranged in the welding slag splashing dust removal assembly, dust is removed through the progressive dust falling assembly, dust can be slowed down in stages, welding slag can be effectively slowed down and dust removal efficiency can be improved, the non-contact dust removal mode is adopted by the hierarchical progressive laser welding dust removal mechanism, the structure is simple, space occupation is reduced, and installation is convenient; and the hierarchical progressive mode is used to slow down dust with a certain initial speed through air suction, and finally the dust is sucked away by negative pressure.

[0009] As a further scheme of the present application: the progressive dust falling assembly comprises a first dust suction port, a second dust suction port and a third dust suction port, the first dust suction port, the second dust suction port and the third dust suction port are sequentially arranged in a dust suction area in the dust removal cavity from bottom to top, a fourth dust suction port is arranged at the rear end of the dust suction area, and the first dust suction port, the second dust suction port, the third dust suction port and the fourth dust suction port are all communicated with the dust removal pipeline.

[0010] As a further scheme of the present application: a plurality of inclined upward grooves are arranged at the two sides of the dust suction area, and the first dust suction port, the second dust suction port and the third dust suction port are arranged in the corresponding grooves.

[0011] As a further scheme of the present application: a dust suction cavity is further arranged at the rear end of the dust suction area in the dust removal cavity, and the first dust suction port, the second dust suction port, the third dust suction port and the fourth dust suction port are all communicated with the dust suction cavity, wherein the dust suction cavity is communicated with the dust removal pipeline through a first dust suction pipeline.

[0012] As a further scheme of the present application: a groove is arranged at the top of the dust removal cover plate, the groove is communicated with the dust removal cavity, a fixed plate is arranged at the top of the dust removal cover plate and at the rear side of the groove, and an adjusting plate for adjusting the opening size of the groove is arranged on the fixed plate.

[0013] As a further scheme of the present application: the front end of the dust removal cover plate is connected with a cam lock fastener mounting plate through a cam lock fastener, a cam lock fastener is arranged on the cam lock fastener mounting plate and fixed with the cam lock fastener mounting plate, and an observation window is further arranged on the cam lock fastener mounting plate.

[0014] As a further scheme of the present application: a protection gas blowing connector one is further arranged on the cam lock fastener mounting plate, and the protection gas blowing connector one is communicated with the dust suction area.

[0015] As a further scheme of the present application: the welding station dust removal assembly comprises a second dust suction pipe, a laser channel and a dust suction channel, wherein the laser channel is installed directly below the dust removal cavity; one side of the laser channel is connected to the dust suction channel.

[0016] As a further scheme of the present application: the laser channel is located directly below the laser and corresponds to the laser, the welding platform is located directly below the laser channel; the top of the laser channel is installed to the bottom of the dust removal cavity through an end plate, wherein a protective gas blowing plate is arranged on the end plate and at one side of the laser channel, and protective gas blowing joints two are formed on the protective gas blowing plate and communicate with the laser channel.

[0017] As a further scheme of the present application: the rear side of the welding slag splashing dust removal assembly is connected to a moving assembly for driving the dust removal member to move, one end of the moving assembly is connected to the equipment support.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] Firstly, the present application realizes double dust removal by arranging the welding slag splashing dust removal assembly and the welding station dust removal assembly in the dust removal assembly, ensures that dust can be comprehensively treated, and arranges a progressive dust falling assembly in the welding slag splashing dust removal assembly. Dust is reduced in stages through the progressive dust falling assembly, effectively reduces the welding slag and increases the dust removal efficiency, and the hierarchical progressive laser welding dust removal mechanism of the present application adopts a non-contact dust removal mode, has a simple structure, reduces space occupation, and is easy to install. The hierarchical progression of the present application is to let the dust with a certain initial speed be reduced in stages through air suction, and finally be sucked away by negative pressure.

[0020] Secondly, the present application arranges a dust suction area and a dust suction cavity in the inside of the dust removal cavity, arranges a plurality of upwardly inclined notches on both sides of the dust suction area, arranges a dust suction port in each notch, and each dust suction port communicates with the dust suction cavity. When dust comes from the bottom of the dust suction area, it is reduced in stages through the dust suction ports in the plurality of notches, enters the dust suction ports, and then enters the dust removal pipeline through the dust suction ports. The remaining part of the dust enters the dust removal pipeline through the fourth dust suction port, thereby realizing multiple treatments of the dust.

[0021] Thirdly, the first dust suction port sucks in dust and welding slag with a low speed, the welding slag with an original medium initial speed is then reduced, and the welding slag with an original high initial speed is reduced again and then sucked into the third dust suction port. Since the dust suction area is overall inverted conical, the space above is large and the space below is small, the fourth dust suction port is opposite to the dust suction pipeline, and compressed air blown by the air blowing groove blows to the fourth dust suction port, so as to form a wind wall to reduce the dust again and blow part of the dust to the dust suction port to increase the dust removal efficiency.

[0022] Four, the application leaves a notch above the dust cover plate, the purpose is to activate the laser, the notch is communicated with the dust suction area, the upper end of the dust cover plate is welded with a fixing plate for fixing the adjusting plate, the adjusting plate has two purposes, that is, to close the notch of the dust cover plate as much as possible, and finally only the area capable of passing through the laser is left, which can prevent the internal dust from affecting the laser;

[0023] Five, the cam lock mounting plate is in the form of a stepped structure, the purpose is that the cam lock fixing plate and the cam lock mounting plate are coincided after being attached, the cam lock can quickly separate the cam lock mounting plate from the cam lock fixing plate, so that the staff can conveniently clean the welding slag; through the observation window below the cam lock, the observation window is made of transparent material, which is convenient for workers to observe. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic diagram of a hierarchical progressive laser welding dust removal equipment according to an embodiment of the application;

[0025] Figure 2 It is a structure schematic diagram of a dust removal part according to an embodiment of the application;

[0026] Figure 3 It is a structure schematic diagram of a welding slag splashing dust removal assembly according to an embodiment of the application;

[0027] Figure 4 It is a plan view of the welding slag splashing dust removal assembly according to an embodiment of the application;

[0028] Figure 5 It is an exploded view of the embodiment of the application Figure 3 ;

[0029] Figure 6 It is a structure schematic diagram of a dust removal cavity and a dust cover plate according to an embodiment of the application;

[0030] Figure 7 It is a structure schematic diagram of a dust removal cavity according to an embodiment of the application;

[0031] Figure 8 It is a front view of the structure schematic diagram according to an embodiment of the application;

[0032] Figure 9 It is another embodiment of the structure schematic diagram according to an embodiment of the application;

[0033] Figure 10 It is a structure schematic diagram of a welding station dust removal assembly according to an embodiment of the application;

[0034] Figure 11 It is a bottom view of the welding station dust removal assembly according to an embodiment of the application;

[0035] Figure 12 For the purposes of the embodiments of the present application Figure 11 P-P cross-sectional view in the embodiments of the present application

[0036] Reference signs: 1, laser; 2, dust removal part; 3, welding platform; 4, moving assembly; 41, vertical clamping plate; 42, connecting block; 43, linear motor; 44, positioning plate; 45, slide rail; 46, sliding block; 5, welding slag splashing dust removal assembly; 6, welding station dust removal assembly; 7, dust removal pipeline; 8, dust removal cavity; 811, dust suction area; 812, dust suction cavity; 813, first dust suction pipe; 814, fourth dust suction port; 815, third dust suction port; 816, second dust suction port; 817, first dust suction port; 9, dust removal cover plate; 911, notch; 912, fixed plate; 10, adjusting plate; 11, cam lock fixing plate; 12, cam lock mounting plate; 13, cam lock; 14, observation window; 15, protective gas blowing joint one; 16, protective gas blowing joint two; 17, end plate; 18, welding head; 19, protective gas blowing plate; 20, second dust suction pipe; 21, laser channel; 22, dust suction channel. DETAILED DESCRIPTION

[0037] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0038] With reference to Figure 1 A hierarchical progressive laser welding dust removal device, comprising a laser 1, a dust removal part 2 and a welding platform 3, wherein the laser 1 and the dust removal part 2 are both mounted on a device support, the laser 1 is located directly above the dust removal part 2, and the welding platform 3 is located directly below the dust removal part 2, the laser of the laser 1 passes through the dust removal part 2 to act on a workpiece to be welded on the welding platform 3, and in this process, the dust removal part 2 removes the dust generated by laser welding.

[0039] With reference to Figure 2 The dust removal part 2 comprises a moving assembly 4, a welding slag splashing dust removal assembly 5 and a welding station dust removal assembly 6 located below the welding slag splashing dust removal assembly 5; wherein the moving assembly 4 is used to adjust the position of the welding slag splashing dust removal assembly 5 and the welding station dust removal assembly 6 located below the welding slag splashing dust removal assembly 5, so that they can correspond to the workpiece to be welded on the welding platform 3 and the laser 1, and ensure that the laser generated by the laser 1 can pass through the dust removal part 2 to act on the workpiece to be welded on the welding platform 3, and the welding slag and dust generated by welding of the workpiece to be welded can be removed by the dust removal part 2.

[0040] With reference to Figure 2 , the moving assembly 4 comprises a vertical clamping plate 41, wherein the vertical clamping plate 41 is installed on the equipment support, one side of the vertical clamping plate 41 is connected with a positioning plate 44 through a connecting block 42, the rear side of the positioning plate 44 is provided with a linear motor 43, wherein the bottom of the linear motor 43 is connected to the welding slag splashing and dust removing assembly 5, the front end of the positioning plate 44 is provided with a sliding block 46, wherein the sliding block 46 is slidingly connected with a sliding rail 45 at the rear side of the welding slag splashing and dust removing assembly 5, that is, by controlling the working of the linear motor 43, the output shaft of the linear motor 43 can drive the welding slag splashing and dust removing assembly 5 to move up and down, when moving, the sliding rail 45 can slide on the sliding block 46, so as to realize the position adjustment of the welding slag splashing and dust removing assembly 5 in the vertical direction, and the position adjustment can be made according to the position of the to-be-welded part, so as to ensure the stability of the laser welding.

[0041] With reference to Figure 3 , Figure 4 and Figure 5 , the welding slag splashing and dust removing assembly 5 comprises a dust removing pipe 7, a dust removing cavity 8 and a dust removing cover plate 9 installed on the outer frame, wherein the rear end of the dust removing cavity 8 is connected with the dust removing pipe 7, the outer side of the dust removing cavity 8 is installed with the dust removing cover plate 9, the dust removing pipe 7 is externally connected with an air extractor or the like when in use, so as to be able to extract the dust in the dust removing cavity 8; the dust removing cover plate 9 is used to block the dust removing cavity 8 and the laser 1; and the front end of the dust removing cover plate 9 is connected with a cam lock fixing plate 11 and a cam lock mounting plate 12 through a cam lock, and the cam lock mounting plate 12 is provided with a cam lock 13 fixed with the cam lock fixing plate 11, and the cam lock mounting plate 12 is further installed with an observation window 14; the cam lock mounting plate 12 is further provided with a protective gas blowing connector 15, wherein the protective gas blowing connector 15 is communicated with a dust suction area 811.

[0042] It should be noted that the cam lock mounting plate 12 is in a stepped structure, the purpose is that the cam lock fixing plate 11 and the cam lock mounting plate 12 are coincided after being attached, the cam lock 13 can quickly separate the cam lock mounting plate 12 from the cam lock fixing plate 11, so that the staff can conveniently clean the welding slag; through the observation window 14 below the cam lock 13, the observation window 14 is made of transparent material, so as to facilitate the observation of workers.

[0043] With reference to Figure 10 , Figure 11 and Figure 12The welding station dedusting assembly 6 comprises a shielding gas blowing joint two 16, an end plate 17, a welding head 18, a shielding gas blowing plate 19, a second dust suction pipe 20, a laser channel 21 and a dust suction channel 22. The laser channel 21 is installed at the bottom of the end plate 17, and the end plate 17 is installed directly below the dedusting cavity 8. The laser channel 21 is in communication with the dedusting cavity 8, and one side of the laser channel 21 is connected with the dust suction channel 22. It should be noted that the end of the dust suction channel 22 is connected with an air extractor, which can extract the dust in the laser channel 21.

[0044] The laser channel 21 is located directly below the laser 1 and corresponds to the laser 1, and the welding platform 3 is located directly below the laser channel 21. The top of the laser channel 21 is installed to the bottom of the dedusting cavity 8 through the end plate 17. The shielding gas blowing plate 19 is arranged on the end plate 17 and at one side of the laser channel 21. The shielding gas blowing plate 19 is provided with the shielding gas blowing joint two 16 in communication with the laser channel 21. The shielding gas blowing joint two 16 blows the welding shielding gas. The shielding gas blows to the welding position through the blowing channel in the shielding gas blowing plate 19.

[0045] Referring to Figure 5 , Figure 6 , Figure 7 and Figure 8 , the dedusting cavity 8 is provided with a dust suction area 811, and a dust suction cavity 812 is further provided at the rear end of the dust suction area 811. A plurality of upwardly inclined notches are sequentially provided from top to bottom at both sides of the dust suction area 811, and a dust suction port is provided in each notch. It should be noted that three upwardly inclined notches are sequentially provided from top to bottom at both sides of the dust suction area 811 in the present application, and the inner parts of the three notches are respectively provided with a first dust suction port 817, a second dust suction port 816 and a third dust suction port 815. The number of notches can be increased according to actual needs, and the present application does not make any limitation, but only gives the optimal implementation mode. A fourth dust suction port 814 is provided between the second dust suction port 816 and the third dust suction port 815 and at the rear end of the dust suction area 811.

[0046] The first dust suction port 817, the second dust suction port 816, the third dust suction port 815 and the fourth dust suction port 814 are in communication with the dust suction cavity 812. The dust suction cavity 812 is in communication with the dedusting pipe 7 through the first dust suction pipe 813. The first dust suction port 817, the second dust suction port 816 and the third dust suction port 815 form a progressive dust reduction assembly, and are sequentially provided from bottom to top in the dust suction area 811 in the dedusting cavity 8. The fourth dust suction port 814 is provided at the rear end of the dust suction area 811, and the first dust suction port 817, the second dust suction port 816, the third dust suction port 815 and the fourth dust suction port 814 are in communication with the dedusting pipe 7.

[0047] Referring toFigure 9 and Figure 10 , the dust suction area 811 is conical in front view, which can have various structural forms, such as a right cone (as shown in Figure 9 , an inverted cone (as shown in Figure 10 , and other forms. The present application adopts a right conical structure, which is the optimal embodiment of the present application. The operator can determine the shape according to the actual situation. During laser welding work, the welding slag with an initial speed can fly into the dust suction area 811.

[0048] Referring to Figure 5 and Figure 6 , the top of the dust removal cover plate 9 is provided with a notch 911, wherein the notch 911 is in communication with the dust removal cavity 8. The top of the dust removal cover plate 9 and the rear side of the notch 911 are provided with a fixed plate 912, wherein the fixed plate 912 is provided with an adjusting plate 10 for adjusting the opening size of the notch 911. The adjusting plate 10 and the fixed plate 912 are detachably installed by bolts or pins. The present application leaves a notch 911 above the dust removal cover plate 9, which is used for the purpose of laser transmission. The notch 911 is in communication with the dust suction area 811. The adjusting plate 10 has two purposes: to close the notch 911 of the dust removal cover plate 9 as much as possible, and finally only to leave an area that can pass through the laser. This can prevent the internal dust from affecting the laser. At this time, the laser 1 is located directly above the notch 911. The laser emitted by the laser 1 can pass through the notch 911 into the dust suction area 811, and then act on the workpiece to be welded through the laser channel 21.

[0049] The specific operation principle of the present application is as follows: during welding work, the laser generated by the laser 1 first passes through the notch 911 into the dust suction area 811, then passes through the dust suction area 811 into the laser channel 21, and finally acts on the workpiece to be welded located on the welding platform 3 through the laser channel 21, thereby realizing the laser welding work on the workpiece to be welded.

[0050] In the working of laser welding, dust or powder or slag will be generated, at this time the dust is flying up along the laser transparent channel, that is, the path can be transparent to the laser to fly the dust into the dust collection area 811, that is, the path can be transparent to the laser to fly the dust, in the process, the second dust collection pipe 20 communicated with the laser channel 21 can preliminarily remove the dust in the laser channel 21, and then the dust is removed from the second dust collection pipe 20 by an external air pump; the remaining dust is then introduced into the dust collection area 811, and then sequentially passes through the first dust suction port 817, the second dust suction port 816, the third dust suction port 815 and the fourth dust suction port 814 to sequentially reduce the speed, that is, the dust with a low initial speed is first sucked into the first dust suction port 817, the slag with a medium initial speed is reduced, then the slag with a high initial speed is reduced again, and finally the slag is sucked into the third dust suction port 815. Since the dust collection area is overall inverted conical, the upper space is larger and the lower space is smaller, in order to ensure the uniformity of the wind speed, the fourth dust suction port 814 is provided, the fourth dust suction port 814 is opposite to the dust removal pipeline 7, the cam lock plate 12 is provided with a blowing groove and is communicated with the protective gas blowing joint one 15, the compressed air blown by the blowing groove blows to the fourth dust suction port 814, and finally is sucked away through the dust removal pipeline 7, the purpose is to form a wind wall to reduce the speed of the dust again and blow part of the dust to the dust suction port to increase the dust removal efficiency. However, many dust removal channels are added in the laser transparent channel from top to bottom to prevent the dust from flying out.

[0051] In the working process, the protective gas blowing joint one 15 and the protective gas blowing joint two 16 are used to blow the welding protective gas into the dust collection area 811 and the blowing channel in the protective gas blowing plate 19 to the welding position.

[0052] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A hierarchically progressive laser welding dust removal apparatus, comprising a laser (1) mounted on an apparatus support and a welding platform (3) located directly below it, characterized in that, It also includes a dust removal device (2) between the welding platform (3) and the laser (1), and the dust removal device (2) includes a welding slag splashing dust removal assembly (5) and a welding station dust removal assembly (6) at the lower part thereof. The welding slag splashing dust removal assembly (5) includes a dust removal cavity (8), wherein a dust removal cover plate (9) is arranged outside the dust removal cavity (8), one end of the dust removal cavity (8) is communicated with a dust removal pipeline (7), and a progressive dust falling assembly is arranged inside the dust removal cavity (8). The progressive dust falling assembly includes a first dust suction port (817), a second dust suction port (816) and a third dust suction port (815), the first dust suction port (817), the second dust suction port (816) and the third dust suction port (815) are sequentially arranged in a dust suction area (811) in the dust removal cavity (8) from bottom to top, a fourth dust suction port (814) is arranged at the rear end of the dust suction area (811), and the first dust suction port (817), the second dust suction port (816), the third dust suction port (815) and the fourth dust suction port (814) are all communicated with the dust removal pipeline (7); dust entering the dust suction area sequentially passes through the first dust suction port, the second dust suction port, the third dust suction port and the fourth dust suction port to be slowed down. A dust suction cavity (812) is further arranged at the rear end of the dust suction area (811) in the dust removal cavity (8), and the first dust suction port (817), the second dust suction port (816), the third dust suction port (815) and the fourth dust suction port (814) are all communicated with the dust suction cavity (812), wherein the dust suction cavity (812) is communicated with the dust removal pipeline (7) through a first dust suction pipe (813).

2. A tiered progressive laser welding dust extraction apparatus according to claim 1, wherein: A plurality of upwardly inclined notches are arranged at both sides of the dust suction area (811), and the first dust suction port (817), the second dust suction port (816) and the third dust suction port (815) are arranged in the corresponding notches.

3. The tiered progressive laser welding dust extraction apparatus of claim 1, wherein: A notch (911) is arranged at the top of the dust removal cover plate (9), wherein the notch (911) is communicated with the dust removal cavity (8), a fixing plate (912) is arranged at the top of the dust removal cover plate (9) and at the rear side of the notch (911), and an adjusting plate (10) for adjusting the opening size of the notch (911) is arranged on the fixing plate (912).

4. A tiered progressive laser welding dust extraction apparatus according to claim 3, wherein: The front end of the dust removal cover plate (9) is connected with a cam lock fixing plate (11) and a cam lock mounting plate (12) through a cam lock fixing plate (11), a cam lock (13) is arranged on the cam lock mounting plate (12) and fixed with the cam lock fixing plate (11), and an observation window (14) is further arranged on the cam lock mounting plate (12).

5. A tiered progressive laser welding dust extraction apparatus according to claim 4, wherein: A protection gas blowing connector (15) is further arranged on the cam lock mounting plate (12), wherein the protection gas blowing connector (15) is communicated with the dust suction area (811).

6. The tiered progressive laser welding dust extraction apparatus of claim 1, wherein: The welding station dust removal assembly (6) includes a second dust suction pipe (20), a laser channel (21) and a dust suction channel (22), wherein the laser channel (21) is arranged directly below the dust removal cavity (8); and one side of the laser channel (21) is connected with the dust suction channel (22).

7. A tiered progressive laser welding dust extraction apparatus according to claim 6, wherein: The laser channel (21) is located directly below the laser (1) and corresponds to the laser (1), and the welding platform (3) is located directly below the laser channel (21); the top of the laser channel (21) is installed to the top of the dust removal cavity (8) through the end plate (17).

8. A tiered progressive laser welding dust extraction apparatus according to claim 7, wherein: The end plate (17) is provided with a protective gas blowing plate (19) on one side of the laser channel (21), and the protective gas blowing plate (19) is provided with a protective gas blowing joint two (16) communicating with the laser channel (21).

9. The tiered progressive laser welding dust extraction apparatus of claim 1, wherein: The rear side of the welding slag splashing and dust removal assembly (5) is connected with a moving assembly (4) for driving the dust removal part (2) to move, and one end of the moving assembly (4) is connected to the equipment support.

Images