Waste gas treatment machine for purifying welding waste gas
By designing the liquid tank and valve body structure, and combining an electric push rod and a waterproof motor drive mechanism, the welding exhaust gas purification equipment achieves convenient dual-channel filtration and filter block replacement without downtime. This solves the problem of cumbersome operation when replacing the air inlet pipe and filter block in existing equipment, and improves processing efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU RYLAND AUTOMATION TECH CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-14
AI Technical Summary
Existing welding exhaust gas purification equipment is cumbersome to replace when changing the air inlet pipe, which affects the processing efficiency and quality. It is also not convenient to use dual-channel filtration to treat the exhaust gas, which can easily lead to downtime.
It adopts a liquid tank and valve body structure, and uses an electric push rod and drive shaft to drive the flow divider block to rotate, realizing convenient dual-channel filtration. The position of the hose is adjusted by the electric push rod and waterproof motor driving the worm gear mechanism to ensure that the exhaust gas and the neutralizing liquid are in full contact, and the filter block can be replaced without stopping the machine.
It achieves convenient dual-channel filtration, avoiding equipment downtime when replacing filter blocks and improving the efficiency and quality of exhaust gas treatment.
Smart Images

Figure CN224113685U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waste gas treatment technology, specifically a waste gas treatment machine for purifying welding waste gas. Background Technology
[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. During the welding process, a large amount of harmful gases are generated. Therefore, exhaust gas purification equipment is needed to purify and filter the fumes. However, most existing exhaust gas purification equipment fixes the exhaust pipe with bolts, which is cumbersome and inconvenient to replace after damage. Moreover, the equipment needs to be shut down during the replacement of the exhaust pipe, which affects the treatment efficiency. In order to improve this situation, an exhaust gas treatment machine for welding exhaust gas purification is proposed.
[0003] For example, the exhaust gas treatment machine for purifying welding exhaust gas disclosed in the authorization announcement number CN221569797U includes a device body and an air inlet pipe. The air inlet pipe is located at the top of the device body. Positioning grooves are provided at the four corners of the bottom of the air inlet pipe. Positioning blocks are provided in the inner cavity of the positioning grooves. Movable grooves are provided in the inner cavity of the positioning blocks. Fixing mechanisms are provided in the inner cavity of the movable grooves.
[0004] Although it achieves the coordinated use of a movable groove, a fixed mechanism, and a control mechanism, pulling the pull rod causes the control rod to move via the control block, which in turn causes the movable plate to rotate. This allows the movable plate to move via the slide rod and the limit plate to compress the spring, while simultaneously causing the fixed block to enter the inner cavity of the movable groove. This solves the problem that existing exhaust gas purification equipment requires replacement of the air inlet pipe after prolonged use, but most exhaust gas purification equipment uses bolts to fix the air inlet pipe, making replacement cumbersome and affecting the use of the exhaust gas purification equipment.
[0005] However, this does not solve the problem that existing exhaust gas treatment machines are not convenient for dual-channel filtration of exhaust gases during use, nor do they prevent downtime when replacing filter blocks, thus affecting the efficiency and quality of exhaust gas treatment. Utility Model Content
[0006] The purpose of this utility model is to provide a waste gas treatment machine for purifying welding exhaust gas, so as to solve the problem mentioned in the background art that the waste gas treatment machine is not convenient to use dual-channel filtration to treat the exhaust gas, and it is not conducive to avoiding the machine shutdown when replacing filter blocks, which affects the efficiency and quality of waste gas treatment.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a waste gas treatment machine for purifying welding waste gas, comprising a liquid tank and a valve body. The valve body is installed at the top of the liquid tank, a support arm is installed on the side wall of the valve body, two sets of exhaust pipes are installed on the outer wall of the valve body, an electric push rod is movably installed on the side wall of the support arm, a push arm is installed at the output end of the electric push rod, a linkage arm is movably installed at the end of the push arm away from the electric push rod, a drive shaft is fixedly installed at the end of the linkage arm near the valve body, and the drive shaft extends into the interior of the valve body and is movably connected to the valve body, a flow divider is provided inside the valve body, and the drive shaft is connected to the flow divider, two sets of exhaust channels are provided inside the flow divider, an air inlet pipe is provided inside the liquid tank, an integrated frame is provided inside the liquid tank below the air inlet pipe, and a flexible hose is provided at the end of the air inlet pipe near the integrated frame.
[0008] Preferably, each exhaust pipe is provided with a filter block inside, and each filter block is provided with four sets of equally spaced limiting blocks on its outer wall.
[0009] Preferably, the inner wall of the exhaust pipe is provided with four sets of L-shaped grooves at equal intervals, and the limiting block is slidably connected to the L-shaped groove.
[0010] Preferably, a waterproof motor is installed on the outer wall of the integrated frame, and a worm gear is installed at the output end of the waterproof motor.
[0011] Preferably, a worm wheel is movably installed inside the integrated frame on one side of the worm, and the worm wheel meshes with the worm.
[0012] Preferably, an adjusting arm A is movably mounted on the bottom end of the worm gear, and an adjusting arm B is movably mounted on the end of the adjusting arm A away from the worm gear.
[0013] Preferably, a movable shaft is fixedly installed at the end of the B adjusting arm away from the A adjusting arm, and the movable shaft is movably connected to the integrated frame and extends to the outside of the integrated frame.
[0014] Preferably, a swing arm is mounted on the top end of the movable shaft, and the swing arm is connected to the hose.
[0015] Compared with the prior art, the beneficial effects of this utility model are: the exhaust gas treatment machine not only realizes convenient dual-channel filtration treatment of exhaust gas, avoiding downtime when the treatment machine is replaced with filter blocks, but also improves the efficiency and quality of exhaust gas treatment;
[0016] (1) Neutralizing liquid is injected into the liquid tank, and then the exhaust gas generated during welding is introduced into the liquid tank through the inlet pipe and hose. After the exhaust gas enters the liquid tank, the neutralizing liquid neutralizes the acid and alkali substances in the exhaust gas. The neutralized exhaust gas is then discharged into the valve body. Afterward, the exhaust gas is discharged into the interior of a set of exhaust pipes through a set of exhaust channels, and the dust in the exhaust gas is filtered by the filter blocks in the set of exhaust pipes, thereby preventing the exhaust gas from being discharged into the atmosphere with dust. This completes the filtration treatment of the exhaust gas. After long-term use, too much dust accumulates inside the filter blocks. When it is necessary to replace the corresponding filter blocks, in order to avoid equipment shutdown, the electric push rod drives the push arm to move, and the push arm drives the linkage arm to rotate. The linkage arm passes through The drive shaft drives the diverter block to rotate, which rotates another set of exhaust channels to the position of another set of exhaust pipes, so that the other set of exhaust pipes and exhaust channels form an open and close channel. The diverter block closes the exhaust pipe and push arm, allowing the exhaust gas to be discharged from the other set of exhaust channels and exhaust pipes. Then, the filter block is rotated, which drives the limiting block to rotate inside the L-shaped groove. When the limiting block rotates to the turning position of the L-shaped groove, the filter block is pulled up to remove it from the exhaust pipe. Then, the above operation is repeated in reverse to replace and install a new filter block. This achieves convenient dual-channel filtration treatment of exhaust gas, avoids the shutdown of the treatment machine when replacing the filter block, and improves the efficiency of exhaust gas treatment.
[0017] (2) The waterproof motor drives the worm gear to rotate, the worm gear drives the worm wheel to rotate, the worm wheel drives the A adjustment arm to swing back and forth, the A adjustment arm drives the B adjustment arm to swing back and forth, the B adjustment arm drives the movable shaft to rotate back and forth, and the movable shaft drives the hose to swing back and forth through the swing arm, thereby swinging and adjusting the air inlet position of the hose to make the waste gas and neutralizing liquid more fully contacted, thereby improving the neutralization effect of acid and alkali substances in the waste gas. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 This is a three-dimensional perspective structural diagram of the liquid tank of this utility model;
[0020] Figure 3 This is a frontal cross-sectional view of the present invention.
[0021] Figure 4 This is a front view cross-sectional structural diagram of the valve body of this utility model;
[0022] Figure 5 This is a three-dimensional structural diagram of the filter block and exhaust pipe of this utility model;
[0023] Figure 6 This is a bottom view cross-sectional structural diagram of the integrated frame of this utility model.
[0024] In the diagram: 1. Liquid tank; 2. Valve body; 3. Support arm; 4. Electric push rod; 5. Push arm; 6. Linkage arm; 7. Drive shaft; 8. Filter block; 9. Inlet pipe; 10. Hose; 11. Swing arm; 12. Integrated frame; 13. Diverter block; 14. Exhaust pipe; 15. Exhaust channel; 16. L-shaped groove; 17. Limiting block; 18. Waterproof motor; 19. Worm gear; 20. Worm; 21. Adjusting arm A; 22. Adjusting arm B; 23. Movable shaft. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0026] Please see Figure 1-6 An embodiment of this utility model provides a waste gas treatment machine for purifying welding waste gas, including a liquid tank 1 and a valve body 2. The valve body 2 is installed at the top of the liquid tank 1, a support arm 3 is installed on the side wall of the valve body 2, two sets of exhaust pipes 14 are installed on the outer wall of the valve body 2, an electric push rod 4 is movably installed on the side wall of the support arm 3, the electric push rod 4 plays a power driving role, a push arm 5 is installed at the output end of the electric push rod 4, a linkage arm 6 is movably installed at the end of the push arm 5 away from the electric push rod 4, a drive shaft 7 is fixedly installed at the end of the linkage arm 6 near the valve body 2, and the drive shaft 7 extends into the interior of the valve body 2 and is movably connected to the valve body 2, a diversion block 13 is provided inside the valve body 2, and the drive shaft 7 is connected to the diversion block 13, two sets of exhaust channels 15 are provided inside the diversion block 13, an air inlet pipe 9 is provided inside the liquid tank 1, an integrated frame 12 is provided inside the liquid tank 1 below the air inlet pipe 9, and a hose 10 is provided at the end of the air inlet pipe 9 near the integrated frame 12;
[0027] The exhaust pipe 14 is equipped with a filter block 8 inside. The outer wall of the filter block 8 is equipped with four sets of equally spaced limiting blocks 17. The inner wall of the exhaust pipe 14 is equipped with four sets of equally spaced L-shaped grooves 16, and the limiting blocks 17 and L-shaped grooves 16 are slidably connected.
[0028] Neutralizing liquid is injected into liquid tank 1. Then, welding exhaust gas is introduced into liquid tank 1 through inlet pipe 9 and hose 10. After entering liquid tank 1, the neutralizing liquid neutralizes the acidic and alkaline substances in the exhaust gas. The neutralized exhaust gas is then discharged into valve body 2. Afterward, the exhaust gas is discharged through a set of exhaust channels 15 into a set of exhaust pipes 14, where filter blocks 8 filter the dust in the exhaust gas, thus preventing dust from being discharged into the atmosphere. This completes the filtration process. After prolonged use, excessive dust accumulates inside filter blocks 8. When it is necessary to replace the corresponding filter block 8, to avoid equipment downtime, first open the electric push rod 4. The electric push rod 4 drives the push arm 5 to move, and the push arm 5 drives the linkage arm 6 to rotate. The linkage arm 6 rotates through the drive shaft 7. The diverting block 13 rotates to rotate another set of exhaust channels 15 to the position of another set of exhaust pipes 14, so that the other set of exhaust pipes 14 and exhaust channels 15 form an open and close channel. The diverting block 13 closes the exhaust pipe 14 and push arm 5, so that the exhaust gas is discharged from the other set of exhaust channels 15 and exhaust pipes 14. Then, the filter block 8 is rotated, and the filter block 8 drives the limiting block 17 to rotate inside the L-shaped groove 16. When the limiting block 17 rotates to the turning position of the L-shaped groove 16, the filter block 8 is pulled up to be extracted from the inside of the exhaust pipe 14. Then, the above operation is repeated in reverse to replace and install a new filter block 8. This realizes convenient dual-channel filtration treatment of exhaust gas, avoids the shutdown of the treatment machine when replacing the filter block, and improves the efficiency of exhaust gas treatment.
[0029] A waterproof motor 18 is installed on the outer wall of the integrated frame 12. The waterproof motor 18 serves as a power drive. A worm gear 20 is installed at the output end of the waterproof motor 18. A worm wheel 19 is movably installed inside the integrated frame 12 on one side of the worm gear 20, and the worm wheel 19 meshes with the worm gear 20.
[0030] An adjusting arm A 21 is movably mounted on the bottom end of the worm gear 19. An adjusting arm B 22 is movably mounted on the end of the adjusting arm A 21 away from the worm gear 19. A movable shaft 23 is fixedly mounted on the end of the adjusting arm B 22 away from the adjusting arm A 21. The movable shaft 23 is movably connected to the integrated frame 12 and extends to the outside of the integrated frame 12. A swing arm 11 is mounted on the top end of the movable shaft 23 and is connected to the hose 10.
[0031] Turn on the waterproof motor 18, which drives the worm gear 20 to rotate. Under the mutual meshing of the worm gear 20 and the worm wheel 19, the worm gear 20 drives the worm wheel 19 to rotate, which in turn drives the A adjusting arm 21 to swing back and forth. The A adjusting arm 21 drives the B adjusting arm 22 to swing back and forth, which in turn drives the movable shaft 23 to rotate back and forth. The movable shaft 23 drives the hose 10 to swing back and forth through the swing arm 11, thereby swinging and adjusting the air inlet position of the hose 10 to make the waste gas and neutralizing liquid come into more sufficient contact, thereby improving the neutralization effect of acid and alkali substances in the waste gas.
[0032] Working principle: Neutralizing liquid is injected into liquid tank 1. Then, the waste gas generated during welding is introduced into liquid tank 1 through inlet pipe 9 and hose 10. After entering liquid tank 1, the neutralizing liquid neutralizes the acid and alkali substances in the waste gas. The neutralized waste gas is then discharged into the valve body 2. Afterward, the waste gas is discharged into a set of exhaust channels 15 and into a set of exhaust pipes 14. The filter block 8 in the exhaust pipe 14 filters the dust in the waste gas, thus preventing the waste gas from being discharged into the atmosphere with dust. After long-term use, too much dust accumulates inside the filter block 8. When the corresponding filter block 8 needs to be replaced, in order to avoid equipment shutdown, the electric push rod 4 drives the push arm 5 to move. The push arm 5 drives the linkage arm 6 to rotate. The linkage arm 6 drives the diverter block 13 to rotate through the drive shaft 7, thereby rotating another set of exhaust channels 15 to the position of another set of exhaust pipes 14, so that the other set of exhaust pipes 14 and exhaust channels 15 form an opening and closing channel. The diverter block 13 then connects the exhaust pipes 14 and the push rod 5. Arm 5 closes to allow exhaust gas to exit through another set of exhaust channels 15 and exhaust pipe 14. Then, rotate filter block 8, which drives limit block 17 to rotate inside L-shaped groove 16. When limit block 17 rotates to the turning position of L-shaped groove 16, pull filter block 8 upward to remove it from inside exhaust pipe 14. Repeat the above operation to replace and install a new filter block 8. Waterproof motor 18 drives worm gear 20 to rotate, which in turn drives worm wheel 19 to rotate. The worm gear 19 drives the A adjusting arm 21 to swing back and forth, which in turn drives the B adjusting arm 22 to swing back and forth. The B adjusting arm 22 drives the movable shaft 23 to rotate back and forth, which in turn drives the hose 10 to swing back and forth via the swing arm 11. This swings and adjusts the air inlet position of the hose 10, allowing the exhaust gas to come into more thorough contact with the neutralizing liquid, thereby improving the neutralization effect on the acid and alkali substances in the exhaust gas. The above is the complete usage of the exhaust gas treatment machine for welding exhaust gas purification.
Claims
1. A welding fume abatement exhaust treatment machine comprising a tank (1) and a valve body (2), characterized in that: A valve body (2) is installed at the top of the liquid tank (1). A support arm (3) is installed on the side wall of the valve body (2). Two sets of exhaust pipes (14) are installed on the outer wall of the valve body (2). An electric push rod (4) is movably installed on the side wall of the support arm (3). A push arm (5) is installed at the output end of the electric push rod (4). A linkage arm (6) is movably installed at the end of the push arm (5) away from the electric push rod (4). A drive shaft (7) is fixedly installed at the end of the linkage arm (6) near the valve body (2). The drive shaft (7) extends into the interior of the valve body (2) and is movably connected to the valve body (2). The valve body (2) is provided with a flow divider (13), and the drive shaft (7) is connected to the flow divider (13). The flow divider (13) is provided with two sets of exhaust channels (15). The liquid tank (1) is provided with an air inlet pipe (9). The liquid tank (1) below the air inlet pipe (9) is provided with an integrated frame (12), and a hose (10) is provided at one end of the air inlet pipe (9) near the integrated frame (12).
2. The waste gas treatment machine for purifying welding waste gas according to claim 1, characterized in that: The exhaust pipe (14) is equipped with a filter block (8) inside, and four sets of equally spaced limiting blocks (17) are installed on the outer wall of the filter block (8).
3. The waste gas treatment machine for purifying welding waste gas according to claim 1, characterized in that: The inner wall of the exhaust pipe (14) is provided with four sets of L-shaped grooves (16) at equal intervals, and the limiting block (17) is slidably connected to the L-shaped grooves (16).
4. The waste gas treatment machine for purifying welding waste gas according to claim 1, characterized in that: A waterproof motor (18) is installed on the outer wall of the integrated frame (12), and a worm gear (20) is installed at the output end of the waterproof motor (18).
5. The waste gas treatment machine for purifying welding waste gas according to claim 4, characterized in that: A worm wheel (19) is movably installed inside the integrated frame (12) on one side of the worm (20), and the worm wheel (19) meshes with the worm (20).
6. The waste gas treatment machine for purifying welding waste gas according to claim 5, characterized in that: An adjusting arm A (21) is movably mounted on the bottom end of the worm gear (19), and an adjusting arm B (22) is movably mounted on the end of the adjusting arm A (21) away from the worm gear (19).
7. The waste gas treatment machine for purifying welding waste gas according to claim 6, characterized in that: The B adjustment arm (22) is fixedly mounted with a movable shaft (23) at one end away from the A adjustment arm (21), and the movable shaft (23) is movably connected to the integrated frame (12) and extends to the outside of the integrated frame (12).
8. The waste gas treatment machine for purifying welding waste gas according to claim 7, characterized in that: A swing arm (11) is mounted on the top of the movable shaft (23), and the swing arm (11) is connected to the hose (10).
Citation Information
Patent Citations
Waste gas treatment machine for purifying welding waste gas
CN221569797U