CN113634932A

CN113634932A - Laser welding machine multistation weldment work platform

Info

Publication number: CN113634932A
Application number: CN202111190524.8A
Authority: CN
Inventors: 李胜利; 董炳双; 古伟光
Original assignee: Jiangsu Guangda Tower Co ltd
Current assignee: Jiangsu Guangda Tower Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2021-11-12
Anticipated expiration: 2041-10-13
Also published as: CN113634932B

Abstract

The invention discloses a multi-station welding workbench of a laser welding machine, which comprises a material changing adjusting mechanism, wherein a welding platform mechanism is fixedly arranged on the upper end face of the material changing adjusting mechanism, the welding platform mechanism comprises a workbench main body, slag removing plates, slag collecting boxes, a locking rod, a liquid injection pipe and a connecting sleeve, six slag removing plates are uniformly arranged on the upper end face of the workbench main body, six slag collecting boxes are arranged on the lower end face of the workbench main body, and the liquid injection pipe is arranged at one end of each slag collecting box. According to the invention, the laser welding workbench is provided with a plurality of welding stations, so that the material conveying, welding and slag discharging operations can be carried out simultaneously, the welding environment is effectively ensured, and the welding efficiency is improved.

Description

Laser welding machine multistation weldment work platform

Technical Field

The invention relates to the technical field of welding workbenches, in particular to a multi-station welding workbench of a laser welding machine.

Background

Along with the rapid development of social economy, the application range of laser welding is wider and wider, the laser welding is an efficient and precise welding method using a laser beam with high energy density as a heat source, the laser welding is one of important aspects of processing technology application, along with the development of various laser welding machines to high power, lightness and economy, the laser welding accords with the technical development directions of high quality, low consumption, high efficiency, cleanness, narrow heat affected zone, small joint deformation, flexible operation and the like due to high energy concentration and small heat affected zone, not only can carry out deep fusion welding on large components, but also can carry out precise welding on micro components, and has very wide application prospect.

However, the welding workbench in the existing laser welding process is inconvenient for carrying out simultaneous welding operation on a plurality of stations and conveying and collecting the welding flux and welding slag.

Disclosure of Invention

The invention aims to provide a multi-station welding workbench of a laser welding machine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a multi-station welding workbench of a laser welding machine comprises a material changing adjusting mechanism, wherein a welding platform mechanism is fixedly mounted on the upper end face of the material changing adjusting mechanism, the welding platform mechanism comprises a workbench main body, slag removing plates, slag collecting boxes, locking rods, a liquid injection pipe and connecting sleeves, six slag removing plates are uniformly mounted on the upper end face of the workbench main body, six slag collecting boxes are mounted on the lower end face of the workbench main body, the liquid injection pipe is arranged at one end of each slag collecting box, the connecting sleeves are fixedly mounted on the inner sides of the bottom ends of the slag collecting boxes, the locking rods are mounted on the inner sides of the connecting sleeves, six automatic clamping mechanisms are uniformly mounted on the upper end face of the welding platform mechanism, each automatic clamping mechanism comprises a limiting frame, sliding clamping plates, a transmission guide plate, a welding plate push seat and a clamping positioning column, and two sliding clamping plates are slidably connected on the inner sides of the limiting frame, spacing frame and two slip splint are through four spring coupling, the one end welded fastening of slip splint has the transmission deflector, the inboard sliding connection of transmission deflector bottom has the joint reference column, two the up end sliding connection of transmission deflector has the welding plate to push away the seat, the welding plate pushes away the seat and passes through the joint reference column with two transmission deflectors and be connected, the bottom and the joint reference column of transmission deflector pass through spring coupling, automatic clamping mechanism's the outside is installed and is prevented splashing refining mechanism.

Preferably, six one side of preventing sputter refining mechanism is installed and is placed clear cigarette mechanism, the inboard fixed mounting of workstation main part has instrument placement machine to construct, the row material vibration dish is installed to the one end of reloading adjustment mechanism.

Preferably, reloading adjustment mechanism includes direction support frame, drive screw, drive motor, vibration dish mount pad and supports the base, the direction support frame is installed to the one end of supporting the base, the inboard sliding connection who supports the base has vibration dish mount pad, drive screw is installed to the inboard of vibration dish mount pad, drive motor is installed to drive screw's one end.

Preferably, place the smoke removal mechanism and include arc cover, honeycomb duct, discharge fume pipe, bracing piece, place dish and fan case, six honeycomb ducts are installed to the lower terminal surface of the pipe of discharging fume, fan case, six are installed to the inboard of honeycomb duct bottom the bottom fixed mounting of honeycomb duct has the arc cover, five bracing pieces are evenly installed to the lower terminal surface of arc cover, the three dish of placing is evenly installed in the outside of bracing piece.

Preferably, the instrument is placed the mechanism and is included arc gib block, slide locating piece, connection bent plate and instrument and place the case, the inboard sliding connection of arc gib block has six slide locating pieces, slide locating piece's inboard fixed mounting has the connection bent plate, the bottom of connecting the bent plate is installed the instrument and is placed the case.

Preferably, the workbench main body is connected with the slag removing plate through a positioning pin, a slag leakage groove is formed in the upper end face of the slag removing plate, and the upper end of the locking rod penetrates through the slag collecting box and the connecting sleeve to be connected with the slag removing plate through threads.

Preferably, the slag collecting box is welded and fixed with the bottom end of the connecting sleeve, one end of the liquid injection pipe is connected with the slag collecting box through threads, and the inner side of the slag collecting box is filled with dust falling liquid.

Preferably, the inboard of arranging material vibration dish bottom is provided with vibrating motor, the outside of arranging the material vibration dish evenly is provided with six and goes out the material arm, it is connected through six play material arms with the workstation main part to arrange the material vibration dish.

Preferably, the upper end of bracing piece runs through the workstation main part, places the dish and is connected with the arc cover through the screw thread, the bottom and the workstation main part of bracing piece pass through threaded connection, the arc cover passes through six honeycomb ducts with the pipe of discharging fume and is connected, the inboard of fan case is provided with fan blade and fan motor respectively.

Preferably, the anti-sputtering refining mechanism includes the anti-sputtering arc board, the auxiliary lighting lamp is installed to the inboard of anti-sputtering arc board, the up end of anti-sputtering arc board is provided with ventilative slotted hole, the outside sliding connection of anti-sputtering arc board has transparent movable backplate, the anti-sputtering arc board is connected through two direction arc strips with the upper end of transparent movable backplate, the inboard fixed mounting of transparent movable backplate bottom has the magazine of keeping in, even tablet is installed to the one end of the magazine of keeping in, the upper end and the transparent movable backplate of even tablet pass through supporting spring and are connected.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, a transmission motor drives a vibration disc mounting seat to slide on the inner side of a guide support frame through a transmission screw rod, then the vibration disc mounting seat drives a material discharging vibration disc to move to the inner side of the middle part of a support base, a sliding positioning block is connected with a tool placing box through a connecting bent plate, a laser welding tool is arranged on the inner side of the tool placing box, six stations can be simultaneously subjected to material conveying operation through the material discharging vibration disc, and then welding operation can be performed through the laser welding tool;

2. according to the invention, the welding plate is automatically clamped and positioned, so that the clamping difficulty is effectively reduced, the dust reducing liquid is injected into the inner side of the slag collecting box through the liquid injection pipe, waste slag can be discharged into the inner side of the slag collecting box through the slag cleaning plate, the influence of the waste slag on the welding process is effectively reduced, the slag collecting box is convenient to disassemble and assemble through the locking rod, and the waste slag is further convenient to clean.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the present invention showing the smoke removing mechanism;

FIG. 3 is a bottom view of the weld platform mechanism of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention;

FIG. 5 is a schematic view of a portion of the tool placement mechanism of the present invention;

FIG. 6 is a schematic view of a partial structure of the smoke evacuation mechanism of the present invention;

FIG. 7 is a schematic view of a partial cross-sectional structure of the anti-sputtering refining mechanism of the present invention;

FIG. 8 is a schematic structural view of the automatic clamping mechanism of the present invention;

fig. 9 is a schematic cross-sectional structure view of the automatic clamping mechanism of the invention.

In the figure: 1. a discharging vibration disc; 2. a material changing and adjusting mechanism; 201. a guide support frame; 202. a drive screw; 203. a drive motor; 204. a vibration disk mounting base; 205. a support base; 3. a welding platform mechanism; 301. a table main body; 302. a slag removal plate; 303. a slag collection box; 304. a locking lever; 305. a liquid injection pipe; 306. connecting a sleeve; 4. placing a smoke clearing mechanism; 401. an arc-shaped cover; 402. a flow guide pipe; 403. a smoke exhaust pipe; 404. a support bar; 405. placing a tray; 406. a fan case; 5. a tool placement mechanism; 501. an arc-shaped guide strip; 502. sliding a positioning block; 503. connecting the bent plates; 504. a tool placement box; 6. a sputtering-proof material homogenizing mechanism; 601. an anti-sputtering arc plate; 602. a transparent movable guard plate; 603. a ventilation slot; 604. an auxiliary lighting lamp; 605. guiding the arc strip; 606. temporarily storing the material box; 607. material homogenizing sheets; 608. a support spring; 7. an automatic clamping mechanism; 701. a limiting frame; 702. a sliding clamp plate; 703. a drive guide plate; 704. a welding plate pushing seat; 705. and clamping the positioning column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 9, an embodiment of the present invention includes: the utility model provides a laser welding machine multistation weldment work platform, including reloading adjustment mechanism 2, the up end fixed mounting of reloading adjustment mechanism 2 has welding platform mechanism 3, welding platform mechanism 3 includes workstation main part 301, clear slag plate 302, the collection sediment case 303, the check lock lever 304, annotate liquid pipe 305 and connecting sleeve 306, six clear slag plate 302 are evenly installed to the up end of workstation main part 301, can emit the waste residue to the inboard of collection sediment case 303 through clear slag plate 302, effectively reduce the influence of waste residue to the welding process, six collection sediment cases 303 are installed to the lower terminal surface of workstation main part 301, the one end of collection sediment case 303 is provided with annotates liquid pipe 305, the inboard fixed mounting in collection sediment case 303 bottom has connecting sleeve 306, the inboard of connecting sleeve 306 is installed check lock lever 304, six automatic clamping mechanism 7 are evenly installed to the up end of welding platform mechanism 3, automatic clamping mechanism 7 includes spacing frame 701, a little, The automatic welding device comprises a sliding clamp plate 702, a transmission guide plate 703, a welding plate push seat 704 and a clamping positioning column 705, wherein the inner side of a limiting frame 701 is connected with the two sliding clamp plates 702 in a sliding manner, the limiting frame 701 is connected with the two sliding clamp plates 702 through four springs, one end of the sliding clamp plate 702 is fixedly welded with the transmission guide plate 703, the inner side of the bottom end of the transmission guide plate 703 is connected with the clamping positioning column 705 in a sliding manner, the upper end faces of the two transmission guide plates 703 are connected with the welding plate push seat 704 in a sliding manner, the welding plate push seat 704 is connected with the two transmission guide plates 703 through the clamping positioning column 705, the bottom end of the transmission guide plate 703 is connected with the clamping positioning column 705 through the springs, an anti-sputtering material homogenizing mechanism 6 is installed on the outer side of an automatic clamping mechanism 7, welding materials can be uniformly introduced through the anti-sputtering material homogenizing mechanism 6, sputtering can effectively avoid sputtering during welding, and a plurality of welding stations are arranged on a laser welding workbench as a whole, can carry out defeated material, welding and arrange the sediment operation simultaneously, effectively guarantee welding environment, improve welding efficiency.

Further, one side of six anti-sputtering refining mechanisms 6 is installed and is placed smoke abatement mechanism 4, and the inboard fixed mounting of workstation main part 301 has instrument placement mechanism 5, and the one end of reloading adjustment mechanism 2 is installed and is arranged material vibration dish 1, is convenient for carry out defeated material simultaneously to a plurality of stations through arranging material vibration dish 1.

Further, reloading adjustment mechanism 2 includes direction support frame 201, drive screw 202, driving motor 203, vibration dish mount pad 204 and support base 205, support base 205's one end and install direction support frame 201, the inboard sliding connection who supports base 205 has vibration dish mount pad 204, drive screw 202 is installed to the inboard of vibration dish mount pad 204, driving motor 203 is installed to drive screw 202's one end, be convenient for carry out position control to row material vibration dish 1 through reloading adjustment mechanism 2, and then be convenient for change and supplement the material.

Further, it includes arc cover 401 to place clear cigarette mechanism 4, honeycomb duct 402, tub 403 discharges fume, bracing piece 404, place dish 405 and fan case 406, six honeycomb ducts 402 are installed to the lower terminal surface of tub 403 discharges fume, fan case 406 is installed to the inboard of honeycomb duct 402 bottom, the bottom fixed mounting of six honeycomb ducts 402 has arc cover 401, five bracing pieces 404 are evenly installed to the lower terminal surface of arc cover 401, three dish 405 of placing is evenly installed in the outside of bracing piece 404, be convenient for collect and the water conservancy diversion the flue gas that welding process produced through placing clear cigarette mechanism 4.

Further, the tool placing mechanism 5 comprises an arc-shaped guide strip 501, sliding positioning blocks 502, a connecting bent plate 503 and a tool placing box 504, the inner side of the arc-shaped guide strip 501 is connected with six sliding positioning blocks 502 in a sliding mode, the inner side of each sliding positioning block 502 is fixedly provided with the connecting bent plate 503, the bottom end of the connecting bent plate 503 is provided with the tool placing box 504, and welding tools can be placed and adjusted conveniently through the tool placing mechanism 5.

Further, workstation main part 301 passes through the locating pin with slag removal board 302 and is connected, and slag removal board 302's up end is provided with hourglass cinder notch, and the upper end of check lock lever 304 runs through collection cinder box 303 and adapter sleeve 306 and is connected with slag removal board 302 through the screw thread, is convenient for carry out the dismouting to collection cinder box 303 through check lock lever 304, and then is convenient for clear up the waste residue.

Further, the bottom end welded fastening of collection sediment case 303 and adapter sleeve 306, the one end of annotating liquid pipe 305 passes through threaded connection with collection sediment case 303, and the inboard packing of collection sediment case 303 has the dust fall liquid, can arrange the waste residue into to the inboard of collection sediment case 303 through clear sediment board 302, effectively reduces the influence of waste residue to welding process.

Further, the inboard of arranging material vibration dish 1 bottom is provided with vibrating motor, arranges the outside of material vibration dish 1 and evenly is provided with six and goes out the material arm, arranges material vibration dish 1 and is connected through six ejection of compact arms with workstation main part 301, and vibration dish mount pad 204 can drive row material vibration dish 1 and remove to the inboard at support base 205 middle part.

Further, the upper end of bracing piece 404 runs through workstation main part 301, places dish 405 and is connected with arc cover 401 through the screw thread, and the bottom of bracing piece 404 passes through threaded connection with workstation main part 301, and arc cover 401 is connected through six honeycomb ducts 402 with tub 403 of discharging fume, and the inboard of fan case 406 is provided with fan blade and fan motor respectively for fan case 406 can extract welding process's flue gas in real time.

Further, anti-sputtering refining mechanism 6 is including preventing sputtering arc board 601, auxiliary lighting lamp 604 is installed to the inboard of preventing sputtering arc board 601, the up end of preventing sputtering arc board 601 is provided with ventilative slotted hole 603, the outside sliding connection of preventing sputtering arc board 601 has transparent movable backplate 602, prevent sputtering arc board 601 and the upper end of transparent movable backplate 602 are connected through two direction arc strips 605, the inboard fixed mounting of transparent movable backplate 602 bottom has temporary storage magazine 606, even tablet 607 is installed to the one end of temporary storage magazine 606, the upper end of even tablet 607 passes through supporting spring 608 with transparent movable backplate 602 and is connected, can evenly let in the welding material through anti-sputtering refining mechanism 6, can also effectively avoid taking place the sputtering when welding.

The working principle is as follows: when in use, checking whether the functions of all parts are intact, welding and fixing one end of the guide support frame 201 and the support base 205, connecting and fixing the support base 205 and the lower end face of the workbench main body 301 through screws, so that the whole body can be fixedly supported through the support base 205, placing welding materials on the inner side of the discharging vibration disc 1, clamping and connecting the welding plate and one end of the welding plate push seat 704, enabling the welding plate push seat 704 to push the welding plate to slide on the upper end face of the slag cleaning plate 302, connecting the two sliding clamp plates 702 and the limiting frame 701 through springs, enabling the two sliding clamp plates 702 to move in opposite directions under the pushing action of the welding plate push seat 704 so as to automatically clamp the welding plate, arranging two L-shaped chutes on the lower end face of the welding plate push seat 704, enabling the sliding clamp plates 702 to drive the clamping and positioning column 705 to slide in the L-shaped chute on the lower end face of the welding plate push seat 704 through the transmission guide plate 703, the clamping positioning column 705 is connected with the transmission guide plate 703 through a spring, so that the clamping positioning column 705 automatically moves upwards to be inserted into the inner side of the welding plate push seat 704 under the supporting action of the spring after the welding plate push seat 704 pushes the welding plate in place, the transmission guide plate 703 and the welding plate push seat 704 are connected and fixed through the clamping positioning column 705, and further automatic positioning and clamping operation of the welding plate is conveniently realized, a vibration motor is arranged on the inner side of the bottom end of the material discharging vibration disc 1, a power supply is switched on, the transmission motor 203 is started, the transmission motor 203 drives the vibration disc mounting seat 204 to slide on the inner side of the guide support frame 201 through the transmission screw 202 under the supporting action of the guide support frame 201, the vibration disc mounting seat 204 drives the material discharging vibration disc 1 to move to the inner side of the middle part of the support base 205, the sliding positioning block 502 is connected with the tool placing box 504 through the connecting bent plate 503, a laser welding tool is arranged on the inner side of the tool placing box 504, the six stations can be simultaneously subjected to material conveying operation through the discharging vibration disc 1, then welding operation can be carried out through a laser welding tool, the fan box 406 is arranged on the inner side of the bottom end of the guide pipe 402, so that the fan box 406 can extract flue gas in the welding process in real time, then flow guiding is carried out through the arc-shaped cover 401, the guide pipe 402 and the smoke exhaust pipe 403, uniform collection and subsequent purification operation of the welding flue gas are conveniently realized, the slag collection box 303 is arranged on the inner side of the workbench main body 301 and positioned on the lower end face of the slag removing plate 302, so that the slag collection box 303 is conveniently and fixedly installed through the locking rod 304, dust reducing liquid is injected into the inner side of the slag collection box 303 through the liquid injection pipe 305, a material leakage groove is arranged on the upper end face of the slag removing plate 302, waste residues can be discharged into the inner side of the slag collection box 303 through the slag removing plate 302, the influence of the waste residues on the welding process is effectively reduced, and the slag collection box 303 is conveniently disassembled and assembled through the locking rod 304, and then be convenient for clear up the waste residue, the arc board 601 of preventing sputtering slides in the inboard of transparent movable backplate 602 through direction arc strip 605, and then the arc board 601 of preventing sputtering can protect welding process with transparent movable backplate 602, avoids the welding to take place to sputter, and even tablet 607 passes through supporting spring 608 with transparent movable backplate 602 and is connected for even tablet 607 can evenly discharge the welding material of the inboard of magazine 606 of keeping in under supporting spring 608's supporting role.

Claims

1. The utility model provides a laser-beam welding machine multistation weldment work platform, includes reloading adjustment mechanism (2), its characterized in that: the up end fixed mounting who reloads adjustment mechanism (2) has welding platform mechanism (3), welding platform mechanism (3) include workstation main part (301), scarfing cinder board (302), collection sediment case (303), check lock lever (304), annotate liquid pipe (305) and connecting sleeve (306), six scarfing cinder boards (302) are evenly installed to the up end of workstation main part (301), six collection sediment casees (303) are installed to the lower terminal surface of workstation main part (301), the one end of collection sediment case (303) is provided with annotates liquid pipe (305), the inboard fixed mounting of collection sediment case (303) bottom has connecting sleeve (306), check lock lever (304) are installed to the inboard of connecting sleeve (306), six automatic clamping mechanisms (7) are evenly installed to the up end of welding platform mechanism (3), automatic clamping mechanism (7) include spacing frame (701) A sliding clamping plate (702), a transmission guide plate (703), a welding plate pushing seat (704) and a clamping positioning column (705), the inner side of the limit frame (701) is connected with two sliding clamping plates (702) in a sliding way, the limiting frame (701) is connected with two sliding clamping plates (702) through four springs, one end of the sliding clamping plate (702) is fixedly welded with a transmission guide plate (703), the inner sides of the bottom ends of the transmission guide plates (703) are connected with clamping positioning columns (705) in a sliding way, the upper end surfaces of the two transmission guide plates (703) are connected with welding plate pushing seats (704) in a sliding way, the welding plate pushing seat (704) is connected with the two transmission guide plates (703) through clamping positioning columns (705), the bottom end of the transmission guide plate (703) is connected with the clamping positioning column (705) through a spring, and the outer side of the automatic clamping mechanism (7) is provided with a sputtering-preventing material homogenizing mechanism (6).

2. The multi-station welding table of the laser welding machine according to claim 1, characterized in that: six one side of anti-sputtering refining mechanism (6) is installed and is placed smoke abatement mechanism (4), the inboard fixed mounting of workstation main part (301) has instrument placement machine to construct (5), row material vibration dish (1) is installed to the one end of reloading adjustment mechanism (2).

3. The multi-station welding table of the laser welding machine according to claim 1, characterized in that: reloading adjustment mechanism (2) are including direction support frame (201), drive screw (202), drive motor (203), vibration dish mount pad (204) and support base (205), support base (205) one end and install direction support frame (201), the inboard sliding connection who supports base (205) has vibration dish mount pad (204), drive screw (202) are installed to the inboard of vibration dish mount pad (204), drive motor (203) are installed to the one end of drive screw (202).

4. The multi-station welding table of the laser welding machine according to claim 2, characterized in that: place clear cigarette mechanism (4) including arc cover (401), honeycomb duct (402), pipe (403), bracing piece (404), place set (405) and fan case (406), six honeycomb ducts (402) are installed to the lower terminal surface of pipe (403) of discharging fume, fan case (406), six are installed to the inboard of honeycomb duct (402) bottom the bottom fixed mounting of honeycomb duct (402) has arc cover (401), five bracing pieces (404) are evenly installed to the lower terminal surface of arc cover (401), the three set (405) of placing is evenly installed in the outside of bracing piece (404).

5. The multi-station welding table of the laser welding machine according to claim 2, characterized in that: the instrument is placed mechanism (5) and is included arc gib block (501), slide locating piece (502), connection bent plate (503) and instrument and place case (504), the inboard sliding connection of arc gib block (501) has six slide locating pieces (502), the inboard fixed mounting of slide locating piece (502) has connection bent plate (503), the bottom of connecting bent plate (503) is installed the instrument and is placed case (504).

6. The multi-station welding table of the laser welding machine according to claim 1, characterized in that: the utility model discloses a slag cleaning machine, including workstation main part (301), clear cinder plate (302), the up end of clear cinder plate (302) is provided with the hourglass cinder notch, the upper end of check lock lever (304) is run through collection cinder box (303) and adapter sleeve (306) and is connected with clear cinder plate (302) through the screw thread.

7. The multi-station welding table of the laser welding machine according to claim 1, characterized in that: the slag collecting box (303) is fixed to the bottom end of the connecting sleeve (306) in a welding mode, one end of the liquid injection pipe (305) is connected with the slag collecting box (303) through threads, and dust falling liquid is filled in the inner side of the slag collecting box (303).

8. The multi-station welding table of the laser welding machine according to claim 2, characterized in that: arrange the inboard of material vibration dish (1) bottom and be provided with vibrating motor, the outside of arranging material vibration dish (1) evenly is provided with six ejection of compact arms, arrange material vibration dish (1) and be connected through six ejection of compact arms with workstation main part (301).

9. The multi-station welding table of the laser welding machine according to claim 4, characterized in that: the upper end of bracing piece (404) runs through workstation main part (301), places dish (405) and is connected with arc cover (401) through the screw thread, the bottom and workstation main part (301) of bracing piece (404) pass through threaded connection, arc cover (401) are connected through six honeycomb ducts (402) with tub (403) of discharging fume, the inboard of fan case (406) is provided with fan blade and fan motor respectively.

10. The multi-station welding table of the laser welding machine according to claim 1, characterized in that: prevent sputter refining mechanism (6) including preventing sputter arc board (601), auxiliary lighting lamp (604) are installed to the inboard of preventing sputter arc board (601), the up end of preventing sputter arc board (601) is provided with ventilative slotted hole (603), the outside sliding connection of preventing sputter arc board (601) has transparent movable backplate (602), prevent sputter arc board (601) and the upper end of transparent movable backplate (602) are connected through two direction arc strips (605), the inboard fixed mounting of transparent movable backplate (602) bottom has temporary storage box (606), even tablet (607) are installed to the one end of temporary storage box (606), the upper end and the transparent movable backplate (602) of even tablet (607) are connected through supporting spring (608).