Flue gas treatment device for laser welding protection room

Abstract

The utility model relates to the field of laser welding, and discloses a laser welding protection room flue gas treatment device which comprises a bottom supporting plate used for bottom supporting, the top end of the bottom supporting plate is fixedly connected with a protection frame body, and the middle of the top end of the bottom supporting plate is fixedly connected with a welding table. An air exhaust cover is fixedly connected to the middle of the rear end of the protection frame body, a conveying air pipe is fixedly connected to the rear end of the air exhaust cover, an air exhaust pump is fixedly connected to the position, located outside the conveying air pipe, of the rear side of the air exhaust cover, a mounting frame is fixedly connected to the right side of the rear end of the bottom supporting plate, and a purification box is fixedly connected to the rear side of the mounting frame. An exhaust pipe is arranged on the left side of the bottom end of the purification box. According to the flue gas treatment device, the flue gas treatment effect of the device is improved, the environmental protection property of flue gas discharge is ensured, particulate matters in flue gas can be conveniently collected and cleaned by the device, and the service life of the pump body is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of laser welding, and in particular to a device for treating the flue gas of a laser welding protective room. Background Technology

[0002] Laser welding protective rooms are enclosed spaces used to isolate harmful fumes and metal vapors generated during laser welding. They are equipped with an exhaust filtration system that can quickly exhaust and purify the high-temperature fumes (containing metal particles, ozone, etc.) released during welding, ensuring a safe and environmentally friendly working environment while preventing fumes from interfering with the laser path and ensuring welding quality.

[0003] When treating flue gas, the air comes into contact with the filter plate. Due to the influence of the negative pressure environment, the time and area of ​​air contact with the filter plate are limited, resulting in poor treatment effect of the discharged gas. At the same time, the flue gas generated during the welding process will produce particulate matter. Directly collecting it under negative pressure will cause internal damage to the pump body and affect its service life. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a laser welding protective room fume treatment device that improves the device's fume treatment effect and facilitates the collection and cleaning of particulate matter in the fume.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A fume treatment device for a laser welding protective chamber, comprising:

[0007] A bottom support plate for bottom support, with a protective frame fixedly connected to the top of the bottom support plate, a welding station fixedly connected to the middle of the top of the bottom support plate, an exhaust hood fixedly connected to the middle of the rear end of the protective frame, a transmission air pipe fixedly connected to the rear end of the exhaust hood, an exhaust pump fixedly connected to the rear side of the exhaust hood outside the transmission air pipe, a mounting bracket fixedly connected to the right rear end of the bottom support plate, a purification box fixedly connected to the rear side of the mounting bracket, an exhaust pipe opened on the left side of the bottom end of the purification box, the top end of the transmission air pipe fixedly connected to the inside of the exhaust pipe, and a multi-layer filter assembly installed inside the purification box to improve the effect of exhaust gas treatment.

[0008] An mounting ring is used to fit the front side of the exhaust hood. A collection hopper frame is fixedly connected to the inner side of the mounting ring, and a fixing ring is fixedly connected to the outer side of the exhaust hood. The outer side of the mounting ring is connected to the fixing ring through a limiting connection assembly to achieve the collection and blocking of particulate matter in the flue gas.

[0009] Furthermore, the limiting connection assembly includes multiple connecting blocks located around the outer perimeter of the mounting ring. A connecting post is fixedly connected to the rear end of each connecting block, and an anti-detachment plate is fixedly connected to the rear end of each connecting post. Multiple limiting grooves are formed around the inner perimeter of the fixing ring, and disassembly slots are formed inside each limiting groove. The outer perimeter of each connecting post is slidably connected to the inner perimeter of the limiting groove.

[0010] Furthermore, the multi-layer filtration assembly includes multiple baffles located inside the purification chamber, each baffle having multiple pull ropes fixedly connected to its bottom end, and each pull rope having an activated carbon ball fixedly connected to its bottom end.

[0011] Furthermore, the baffles are staggered inside the purification chamber to ensure sufficient gas contact.

[0012] Furthermore, a one-way valve is fixedly connected to the upper outer side of the transmission tube.

[0013] Furthermore, a fixing plate is fixedly connected to the left side of the mounting ring, and a positioning bolt is inserted inside the fixing plate. The external thread of the positioning bolt is connected to the left side of the fixing ring.

[0014] Furthermore, a plurality of actuating posts are fixedly connected to the front end of the mounting ring.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, gas is drawn into the interior of the purification chamber through a transmission pipe. The gas moves from bottom to top inside the purification chamber and is evenly contacted by the activated carbon balls through the staggered blocking of the baffle plates, thereby improving the effect of the device on flue gas treatment and ensuring the environmental friendliness of the flue gas discharge.

[0017] 2. In this utility model, the positioning bolt is rotated to disassemble the device, and the rotating force is applied by the actuating column to rotate the mounting ring. The connecting column then slides inside the limiting groove. When the anti-detachment plate moves to the disassembly slot, it is pulled outward to complete the disassembly. This facilitates the collection and cleaning of particulate matter in the flue gas and improves the service life of the pump body. Attached Figure Description

[0018] Figure 1 This is an overall drawing of a laser welding protective room fume treatment device proposed in this utility model;

[0019] Figure 2 This is a rear view of a laser welding protective room fume treatment device proposed in this utility model;

[0020] Figure 3 This utility model provides a schematic diagram of the exhaust hood mechanism for a laser welding protective room fume treatment device.

[0021] Figure 4 This is an internal diagram of the purification box of a laser welding protective room fume treatment device proposed in this utility model.

[0022] Legend:

[0023] 1. Bottom support plate; 2. Welding table; 3. Protective frame; 4. Collection hopper frame; 5. Fixing ring; 6. Mounting ring; 7. Purification box; 8. Exhaust pipe; 9. Exhaust hood; 10. Exhaust pump; 11. Transmission air pipe; 12. One-way valve; 13. Mounting bracket; 14. Limiting slide groove; 15. Disassembly slot; 16. Fixing plate; 17. Positioning bolt; 18. Actuating column; 19. Connecting block; 20. Connecting column; 21. Anti-detachment plate; 22. Activated carbon ball; 23. Pull rope; 24. Baffle plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figure 1 , Figure 2 and Figure 4 This utility model provides an embodiment of a laser welding protective room fume treatment device, comprising: a bottom support plate 1 for bottom support; a protective frame 3 fixedly connected to the top of the bottom support plate 1; a welding table 2 fixedly connected to the middle of the top of the bottom support plate 1; an extraction hood 9 fixedly connected to the middle of the rear end of the protective frame 3; a transmission air pipe 11 fixedly connected to the rear end of the extraction hood 9; an extraction pump 10 fixedly connected to the rear side of the extraction hood 9 outside the transmission air pipe 11; a mounting bracket 13 fixedly connected to the right rear end of the bottom support plate 1; and a cleaning device fixedly connected to the rear side of the mounting bracket 13. Purification box 7 has an exhaust pipe 8 at the bottom left side. The top end of the transmission gas pipe 11 is fixedly connected to the inside of the exhaust pipe 8. The purification box 7 is equipped with a multi-layer filter assembly to improve the effect of exhaust gas treatment. The multi-layer filter assembly includes multiple baffles 24 located inside the purification box 7. Multiple pull ropes 23 are fixedly connected to the bottom of each baffle 24. Activated carbon balls 22 are fixedly connected to the bottom of each pull rope 23. The baffles 24 are staggered inside the purification box 7 to ensure sufficient gas contact. A one-way valve 12 is fixedly connected to the upper side of the transmission gas pipe 11.

[0026] When welding is performed on the surface of welding table 2, the vacuum pump 10 is activated to generate negative pressure. The suction force is transmitted to the vacuum hood 9 through the transmission air pipe 11. The precision perforated array of the vacuum hood 9 is directly facing the welding area, effectively capturing the harmful fumes generated during welding. Under the action of negative pressure, the fumes are quickly drawn into the vacuum hood 9 and transported to the purification box 7 through the transmission air pipe 11. The purification box 7 is filled with a special purification solution. Under the action of pressure difference, the fumes flow from bottom to top and are fully dispersed when passing through the multi-layered staggered baffles 24, ensuring full contact with the activated carbon balls 22. This multi-stage purification design significantly improves the gas treatment efficiency, making the emitted fumes fully compliant with environmental protection standards. At the same time, the modular design of the activated carbon balls facilitates maintenance and replacement.

[0027] Reference Figure 1 and Figure 3 An installation ring 6 is used to fit the front side of the exhaust hood 9. A collection bucket frame 4 is fixedly connected to the inner side of the installation ring 6. A fixing ring 5 is fixedly connected to the outer side of the exhaust hood 9. The outer side of the installation ring 6 is connected to the fixing ring 5 through a limiting connection assembly to achieve the collection and blocking of particulate matter in the flue gas. The limiting connection assembly includes multiple connecting blocks 19 located around the outer side of the installation ring 6. A connecting post 20 is fixedly connected to the rear end of the connecting block 19. An anti-detachment plate 21 is fixedly connected to the rear end of the connecting post 20. Multiple limiting grooves 14 are opened around the inner side of the fixing ring 5. A disassembly slot 15 is opened inside the limiting groove 14. The outer side of the connecting post 20 is slidably connected to the inner side of the limiting groove 14. A fixing plate 16 is fixedly connected to the left side of the installation ring 6. A positioning bolt 17 is inserted inside the fixing plate 16. The outer side of the positioning bolt 17 is threadedly connected to the left side of the fixing ring 5. Multiple actuating posts 18 are fixedly connected around the front side of the installation ring 6.

[0028] During the welding process, particulate matter in the flue gas is trapped inside the collection hopper frame 4. After the operation is completed, the positioning bolt 17 is first rotated and removed. Then, the rotational force is applied by the actuating column 18, which drives the mounting ring 6 to rotate. At this time, the connecting column 20 slides smoothly along the limiting slide groove 14. When the anti-detachment plate 21 moves to the disassembly slot 15, the mounting ring 6 can be pulled outward to remove the anti-detachment plate 21 from the disassembly slot 15, thus completing the quick disassembly of the collection hopper frame 4. This innovative design enables convenient cleaning of particulate matter, which not only greatly improves maintenance efficiency but also effectively extends the service life of the pump body and ensures the continuous and stable operation of the system.

[0029] Working Principle: Welding is carried out using the surface support of the welding table 2. At this time, the vacuum pump 10 is activated, generating suction on the transmission air pipe 11, which then draws the fumes into the vacuum hood 9. The holes in the vacuum hood 9 face the surface of the welding table 2, thus drawing the welding fumes. With the creation of a negative pressure environment, the fumes are drawn into the vacuum hood 9. The fumes and gas mixture enters the purification chamber 7 through the transmission air pipe 11. A purification solution is added inside the purification chamber 7. As the gas enters the purification chamber 7, it moves upwards due to pressure, and the poor blocking effect of the baffle plate 24 ensures even contact between the incoming air and the surrounding environment. Multiple activated carbon balls 22 are used to further improve the treatment effect of the gas, and the particulate matter in the flue gas is blocked by the collection hopper frame 4. After the welding of the object is completed, the positioning bolt 17 is rotated to remove the lower side of the positioning bolt 17. At this time, the mounting ring 6 is rotated by the actuating column 18, so that the connecting column 20 slides inside the limiting slide groove 14. When the anti-detachment plate 21 moves to the disassembly slot 15, the mounting ring 6 is pulled outward, so that the anti-detachment plate 21 is disassembled from the disassembly slot 15, thereby completing the disassembly of the collection hopper frame 4 and cleaning the particles inside it.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A laser welding fume treatment device for a protective house, characterized by, Include: The bottom support plate (1) for the bottom support, the top end of the bottom support plate (1) is fixedly connected with the protection frame (3), the top end of the bottom support plate (1) is fixedly connected with the welding table (2), the rear end of the protection frame (3) is fixedly connected with the air exhaust cover (9), the rear end of the air exhaust cover (9) is fixedly connected with the transmission air pipe (11), the rear side of the air exhaust cover (9) is fixedly connected with the air exhaust pump (10) outside the transmission air pipe (11), the rear right side of the bottom support plate (1) is fixedly connected with the mounting bracket (13), the rear side of the mounting bracket (13) is fixedly connected with the purification box (7), the bottom left side of the purification box (7) is provided with the exhaust pipe (8), the top end of the transmission air pipe (11) is fixedly connected in the exhaust pipe (8), the inside of the purification box (7) is provided with a plurality of filtering assemblies for improving the effect of waste gas treatment; The mounting ring (6) for the front side of the air exhaust cover (9) is fixedly connected with the collecting bucket frame (4), the outside of the air exhaust cover (9) is fixedly connected with the fixed ring (5), the outside of the mounting ring (6) is connected with the fixed ring (5) through the limiting connection assembly, so as to realize the collection and blocking of particulate matters in flue gas.

2. A laser-welded protective housing flue gas treatment device according to claim 1, characterized in that: The limiting connection assembly includes a plurality of connecting blocks (19) located outside the mounting ring (6), the rear end of the connecting block (19) is fixedly connected with the connecting column (20), the rear end of the connecting column (20) is fixedly connected with the anti-drop sheet (21), a plurality of limiting sliding grooves (14) are arranged around the inside of the fixed ring (5), the inside of the limiting sliding groove (14) is provided with a dismounting slot (15), and the outside of the connecting column (20) is respectively connected in the inside of the limiting sliding groove (14).

3. A laser-welded protective housing flue gas treatment device according to claim 1, characterized in that: The plurality of filtering assemblies include a plurality of blocking plates (24) located in the inside of the purification box (7), the bottom end of the blocking plate (24) is fixedly connected with a plurality of pull ropes (23), and the bottom end of the pull rope (23) is fixedly connected with the activated carbon ball (22).

4. A laser-welded protective housing flue gas treatment device according to claim 3, characterized in that: The blocking plates (24) are staggered in the inside of the purification box (7), so as to realize sufficient contact of gas.

5. A laser-welded protective housing flue gas treatment device according to claim 1, characterized in that: The outside of the transmission air pipe (11) is fixedly connected with the one-way valve (12).

6. A laser-welded protective housing flue gas treatment device according to claim 1, characterized in that: The left side of the mounting ring (6) is fixedly connected with the fixed plate (16), the inside of the fixed plate (16) is inserted with the positioning bolt (17), and the outside of the positioning bolt (17) is threadedly connected with the left side of the fixed ring (5).

7. A laser-welded protective housing flue gas treatment device according to claim 1, characterized in that: The front end of the mounting ring (6) is fixedly connected with a plurality of push columns (18).

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