Automatic smoke purifying and collecting device for metal machining and welding

Abstract

The utility model discloses an automatic smoke purifying and collecting device for metal processing and welding, which comprises a machine body, and a decomposition bin, an adsorption bin and a filtering bin which are uniformly arranged in the machine body through partition plates, and further comprises a smoke collecting component, the smoke collecting assembly comprises an L-shaped pipeline installed on the top of the machine body through a connecting base and a smoke sucking cover arranged at the bottom of one end of the L-shaped pipeline through a telescopic corrugated pipe. The filter box is arranged in the filter bin and below the exhaust hood; the adsorption box is arranged in the adsorption bin below the filtering bin; and the catalysis box is arranged in the decomposition bin below the adsorption bin. Through the arrangement of the L-shaped pipeline and the smoke sucking cover in the smoke collecting assembly, smoke generated in the welding process can be effectively sucked in, and diffusion of the smoke in the working environment is avoided. The servo motor drives the L-shaped pipeline to rotate, and flexible adjustment of the smoke suction hood is achieved through meshing of the driving gear and the gear ring.

Description

Technical Field

[0001] This utility model relates to the field of welding fume purification technology, specifically an automatic fume purification and collection device for metal processing welding. Background Technology

[0002] During metal processing and welding, a large amount of fumes containing harmful substances are generated. These fumes may contain metal particles, oxides, and harmful gases such as acetaldehyde, rosin acid, and nitrogen oxides. They not only pollute the working environment, filling the workshop with smoke, but also pose a serious threat to the health of operators. Long-term inhalation may lead to various occupational diseases such as lung cancer, asthma, and bronchitis. To address the problem of welding fumes, traditional fume purification and collection devices have been developed.

[0003] However, some existing devices have many shortcomings. For example, some devices have poor smoke collection efficiency, and the smoke hoods cannot be flexibly adjusted in position and angle, making it difficult to adapt to different welding positions and complex welding conditions. This results in smoke not being collected in a timely manner, and some smoke still spreading in the working environment. Some devices have unsatisfactory purification effects, using only simple filtration or adsorption methods, which cannot completely remove harmful substances from the smoke. The purified gas may still contain substances harmful to the human body. Utility Model Content

[0004] The purpose of this invention is to provide an automatic fume purification and collection device for metal processing and welding, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic fume purification and collection device for metal processing and welding, comprising a body and a decomposition chamber, an adsorption chamber, and a filter chamber uniformly arranged inside the body via partitions, and further comprising...

[0006] The smoke collection assembly includes an L-shaped pipe installed on the top of the machine body via a connecting seat and a smoke hood set at the bottom of one end of the L-shaped pipe via a telescopic corrugated pipe. A smoke sensor is installed on the inner wall of the smoke hood, and the other end of the L-shaped pipe extends to the top of the filter chamber and is equipped with a smoke exhaust hood.

[0007] A filter box is located below the exhaust hood inside the filter compartment, and a HEPA filter element is installed inside the filter box via a sliding drawer.

[0008] An adsorption box is located inside the adsorption chamber below the filter chamber, and activated carbon particles are uniformly arranged inside the adsorption box.

[0009] The catalyst chamber is located inside the decomposition chamber below the adsorption chamber. The interior of the catalyst chamber is equipped with an S-shaped flow channel through alternately installed guide plates. UV lamps are installed inside the catalyst chamber between two adjacent guide plates. The surface of each guide plate is coated with titanium dioxide.

[0010] An air pump is also installed inside the adsorption chamber on one side of the catalytic converter. The input end of the air pump is connected to the catalytic converter, and the output end of the air pump extends to the outside of the machine body through the exhaust hood.

[0011] Furthermore, a first air duct is provided between the output end of the filter box and the input end of the adsorption box, and a second air duct is provided between the output end of the adsorption box and the input end of the catalytic box. Both the first and second air ducts are equipped with control valves.

[0012] Furthermore, a light control switch connected to a UV lamp is provided on the top of the catalytic chamber.

[0013] Furthermore, the top of the filter box inside the exhaust hood is provided with a through hole for the entry of flue gas.

[0014] Furthermore, the L-shaped pipe is connected to the connecting seat via a bearing, and a toothed ring is provided on the L-shaped pipe inside the connecting seat. A servo motor is installed on the top of the connecting seat on one side of the L-shaped pipe. The output end of the servo motor extends into the interior of the connecting seat and is provided with a drive gear. The drive gear meshes with the toothed ring.

[0015] Furthermore, a metal filter screen is provided at the L-shaped pipe opening inside the smoking hood.

[0016] Furthermore, a sealed door is hinged to one side of the machine body at the position corresponding to the decomposition chamber, adsorption chamber and filtration chamber, and an electrical control box is installed on the other side of the machine body. An air vent is provided on the machine body below the electrical control box to expose the exhaust hood, and a protective net is provided on the inner side of the air vent.

[0017] This utility model relates to an automatic fume purification and collection device for metal processing and welding, which has the following significant advantages compared with the prior art:

[0018] 1. By setting up a fume collection assembly consisting of an L-shaped pipe and a fume hood, the fumes generated during welding can be effectively drawn into the device, preventing the spread of fumes in the working environment and significantly improving the working environment. A fume sensor monitors the fume concentration in real time, ensuring that the fume hood automatically activates when fumes are generated, improving the timeliness and efficiency of fume collection. A servo motor drives the rotation of the L-shaped pipe, and through the meshing of a drive gear and a gear ring, the fume hood can be flexibly adjusted to adapt to the needs of different welding positions.

[0019] 2. The device is equipped with a decomposition chamber, an adsorption chamber, and a filtration chamber. Through multi-stage purification, it ensures that harmful substances in the smoke are completely removed. The HEPA filter installed in the filtration chamber effectively filters fine particulate matter, while the activated carbon particles in the adsorption chamber further adsorb harmful gases. The UV lamps and titanium dioxide coating in the catalytic chamber decompose harmful substances through photocatalytic reaction, achieving a multi-level and comprehensive purification effect.

[0020] 3. The S-shaped flow channel and alternating baffles inside the catalytic converter extend the path of the smoke as it flows through the converter, increasing the contact time with the UV lamps and titanium dioxide coating, thus improving purification efficiency. Control valves on duct one and duct two allow for adjustment of airflow direction and flow rate as needed, ensuring maximum purification effect in each compartment.

[0021] In summary, this invention achieves efficient collection and purification of smoke, significantly improves the working environment, reduces maintenance costs, enhances the intelligence and safety of the device, and has significant environmental and energy-saving effects. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the internal structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0025] Figure 3 This is a side view of the structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the internal structure of the catalytic converter of this utility model;

[0027] Figure 5 This is a top view of the structure of this utility model;

[0028] In the diagram: 1. Main body; 101. Decomposition chamber; 102. Adsorption chamber; 103. Filter chamber; 2. Catalytic chamber; 201. S-shaped flow channel; 202. Titanium dioxide coating; 203. Guide plate; 204. Light control switch; 205. UV lamp; 3. Adsorption chamber; 301. Activated carbon granules; 4. Filter chamber; 401. Through hole; 402. HEPA filter element; 403. Sliding drawer; 5. Air duct II; 6. Control valve; 7. 1. Air duct; 8. Partition; 9. Smoke collection assembly; 901. L-shaped pipe; 902. Smoke hood; 903. Telescopic corrugated pipe; 904. Gear ring; 905. Smoke exhaust hood; 906. Metal filter screen; 907. Smoke sensor; 10. Servo motor; 1001. Drive gear; 11. Air pump; 12. Electrical control box; 13. Connecting seat; 14. Sealing door; 15. Air outlet; 16. Protective net; 17. Exhaust hood. Detailed Implementation

[0029] 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.

[0030] Please see Figure 1-5 This utility model provides an embodiment of an automatic fume purification and collection device for metal processing and welding, comprising a body 1 and a decomposition chamber 101, an adsorption chamber 102, and a filter chamber 103 uniformly disposed inside the body 1 via partitions 8, and further comprising...

[0031] The smoke collection assembly 9 includes an L-shaped pipe 901 installed on the top of the body 1 via a connecting seat 13 and a smoke hood 902 located at the bottom of one end of the L-shaped pipe 901 via a telescopic corrugated pipe 903. A metal filter screen 906 is provided at the opening of the L-shaped pipe 901 inside the smoke hood 902.

[0032] The L-shaped pipe 901 is connected to the connecting seat 13 via a bearing, and a gear ring 904 is provided on the L-shaped pipe 901 inside the connecting seat 13. A servo motor 10 is installed on the top of the connecting seat 13 on one side of the L-shaped pipe 901. The output end of the servo motor 10 extends into the interior of the connecting seat 13 and is provided with a drive gear 1001. The drive gear 1001 meshes with the gear ring 904.

[0033] The main body 1 serves as the frame of the device and is made of sturdy metal to ensure the stability and durability of the device. The interior of the main body 1 is evenly divided into three independent chambers by partitions 8: a decomposition chamber 101, an adsorption chamber 102, and a filtration chamber 103.

[0034] Decomposition Chamber 101: Located at the front of the main body 1, it is mainly used for the initial decomposition of inhaled smoke. The decomposition chamber 101 contains a highly efficient decomposition agent, which can quickly decompose harmful substances in the smoke.

[0035] Adsorption chamber 102: Located after decomposition chamber 101, it is mainly used to adsorb fine particles and residual harmful substances in smoke. Adsorption chamber 102 is filled with high-performance activated carbon, which has a strong adsorption capacity.

[0036] Filter chamber 103: Located after adsorption chamber 102, it is mainly used for further filtration and purification of smoke. Filter chamber 103 is equipped with a high-efficiency filter to ensure that the emitted air meets environmental protection standards.

[0037] The smoke collection assembly 9 mainly includes components such as an L-shaped pipe 901, a smoke hood 902, a telescopic corrugated pipe 903, a metal filter 906, a connecting seat 13, a servo motor 10, a drive gear 1001, and a gear ring 904.

[0038] L-shaped pipe 901: Installed on the top of the body 1 via connecting seat 13, used to guide smoke into the interior of the device. One end of the L-shaped pipe 901 is connected to the smoke hood 902 via telescopic corrugated pipe 903, and the other end opens into the interior of the body 1.

[0039] Fume hood 902: Located at the bottom of one end of the L-shaped pipe 901, it is used to collect fumes generated during welding. A metal filter 906 is installed at the opening of the L-shaped pipe 901 inside the fume hood 902 for preliminary filtration of larger particles.

[0040] Telescopic corrugated pipe 903: connects L-shaped pipe 901 and fume hood 902, and has a telescopic function to facilitate adjustment of the position and angle of fume hood 902.

[0041] Connecting seat 13: Fixed to the top of the body 1, used to support the L-shaped pipe 901. A toothed ring 904 is provided on the L-shaped pipe 901 inside the connecting seat 13.

[0042] Servo motor 10: Mounted on the top of connector 13, with its output end extending into the interior of connector 13 and equipped with drive gear 1001. Drive gear 1001 meshes with gear ring 904, and through the drive of servo motor 10, the rotation adjustment of L-shaped pipe 901 is realized.

[0043] The inner wall of the smoke hood 902 is equipped with a smoke sensor 907, and the other end of the L-shaped pipe 901 extends to the top of the filter chamber 103 and is equipped with a smoke exhaust hood 905.

[0044] The filter box 4 is located inside the filter compartment 103 below the exhaust hood 905. The HEPA filter element 402 is installed inside the filter box 4 via a sliding drawer 403. The top of the filter box 4 inside the exhaust hood 905 is provided with a through hole 401 for the smoke to enter.

[0045] The smoke sensor 907 uses the photoelectric sensing principle to quickly detect smoke particles and transmit the signal to the control system so that the smoke exhaust device can be activated in time.

[0046] The filter chamber 103 adopts a closed design and has a filter box 4 inside. The filter box 4 is located directly below the exhaust hood 905 and is installed on the inner wall of the filter chamber 103 by a fixed bracket.

[0047] The HEPA filter element 402 is installed inside the filter box 4 via a sliding drawer 403. The design of the sliding drawer 403 makes filter element replacement simple and quick.

[0048] Adsorption box 3 is located inside adsorption chamber 102 below filter chamber 103, and activated carbon particles 301 are uniformly arranged inside adsorption box 3.

[0049] Catalytic chamber 2 is located inside the decomposition chamber 101 below the adsorption chamber 102. The interior of the catalytic chamber 2 is provided with an S-shaped flow channel 201 through alternately installed guide plates 203. UV lamp tubes 205 are installed inside the catalytic chamber 2 between two adjacent guide plates 203. The surface of each guide plate 203 is provided with a titanium dioxide coating 202.

[0050] The top of the catalytic converter 2 is equipped with a light control switch 204 connected to the UV lamp tube 205.

[0051] The main function of the adsorption box 3 is to adsorb harmful substances in the air, such as formaldehyde, benzene and other volatile organic compounds, through activated carbon particles 301.

[0052] Activated carbon particles 301 are distributed inside the adsorption box 3 by uniform filling.

[0053] The main function of the catalytic chamber 2 is to decompose harmful substances adsorbed on activated carbon particles 301 through the synergistic effect of UV lamp tube 205 and titanium dioxide coating 202.

[0054] The interior of the catalytic chamber 2 is provided with an S-shaped flow channel 201 through alternately installed guide plates 203 to ensure that the airflow fully contacts the UV lamp tube 205 and the titanium dioxide coating 202 inside the catalytic chamber 2.

[0055] Each catalytic converter 2 between the baffles 203 is equipped with a UV lamp 205. The UV lamp 205 has a power of 10-20W and a wavelength range of 254nm to ensure effective decomposition of harmful substances.

[0056] Each deflector 203 has a titanium dioxide coating 202 on its surface. Under the irradiation of the UV lamp 205, the titanium dioxide coating 202 can generate highly oxidizing hydroxyl radicals, thereby decomposing harmful substances.

[0057] A light control switch 204 connected to a UV lamp 205 is installed on the top of the catalytic converter 2. The light control switch 204 automatically controls the opening and closing of the UV lamp 205 by sensing the light intensity.

[0058] A duct 7 is provided between the output end of the filter box 4 and the input end of the adsorption box 3, and a duct 5 is provided between the output end of the adsorption box 3 and the input end of the catalyst box 2. A control valve 6 is installed on both the duct 7 and the duct 5.

[0059] An air pump 11 is also installed inside the adsorption chamber 102 on one side of the catalytic converter 2. The input end of the air pump 11 is connected to the catalytic converter 2, and the output end of the air pump 11 extends to the outside of the body 1 through the exhaust hood 17.

[0060] The air duct 7 is used to transfer the filtered air from the filter box 4 to the adsorption box 3.

[0061] A control valve 6 is installed on the air duct 7 to regulate the airflow through the air duct 7.

[0062] The second air duct 5 is used to transfer the adsorbed air from the adsorption box 3 to the catalytic box 2.

[0063] A control valve 6 is also installed on the second air duct 5 to regulate the airflow through the second air duct 5.

[0064] The input end of the air pump 11 is connected to the inside of the catalytic converter 2 and is used to extract air from the catalytic converter 2.

[0065] The output end of the air pump 11 extends to the outside of the body 1 through the exhaust hood 17 to discharge the purified air outside the body 1.

[0066] A sealing door 14 is hinged to one side of the machine body 1 at the position corresponding to the decomposition chamber 101, adsorption chamber 102 and filter chamber 103, and an electrical control box 12 is installed on the other side of the machine body 1. An air outlet 15 is provided on the machine body 1 below the electrical control box 12 to expose the exhaust hood 17, and a protective net 16 is provided on the inner side of the air outlet 15.

[0067] The sealed door 14 is made of corrosion-resistant material and is connected to the body 1 by a hinge, which allows it to open and close flexibly and facilitates maintenance and replacement of internal parts.

[0068] An electrical control box 12 is installed on one side of the main body 1. The electrical control box 12 is the control center of this utility model, and contains electronic components such as circuit boards, power modules, and control chips. The electrical control box 12 realizes real-time monitoring and automatic control of the working status of each compartment.

[0069] The body 1 below the electrical control box 12 is provided with an air vent 15 for exposing the exhaust hood 17. A protective net 16 is provided on the inner side of the air vent 15. The protective net 16 is made of stainless steel with fine mesh, which can effectively prevent foreign objects from entering the body 1 and ensure the safe operation of the device.

[0070] When this application embodiment is used:

[0071] During metal processing and welding, welding fumes rise. The smoke sensor 907 on the inner wall of the fume hood 902 uses photoelectric sensing to quickly detect smoke particles and transmits the signal to the control chip in the control box 12. Upon receiving the smoke signal, the control chip activates the servo motor 10. The drive gear 1001 at the output of the servo motor 10 rotates, meshing with the gear ring 904, driving the L-shaped pipe 901 to rotate around the bearing within the connecting seat 13, bringing the fume hood 902 closer to the smoke source. The telescopic corrugated pipe 903 is manually bent to align the fume hood 902 with the smoke source. Under the suction force generated by the air pump 11, the smoke is drawn into the L-shaped pipe 901 through the fume hood 902. The metal filter 906 at the opening of the L-shaped pipe 901 inside the fume hood 902 performs preliminary filtration of larger particles. The smoke travels along the L-shaped pipe 901 through the smoke hood 905 into the filter box 4 inside the filter chamber 103. The through hole 401 on the top of the filter box 4 inside the smoke hood 905 allows the smoke to enter.

[0072] After the smoke enters the filter box 4, the HEPA filter 402 inside the box efficiently filters the fine particulate matter in the smoke. The HEPA filter 402, installed via the sliding drawer 403, can be easily replaced and maintained. The air filtered by the HEPA filter 402 enters the adsorption box 3 within the adsorption chamber 102 through the first air duct 7. The control valve 6 on the first air duct 7 can adjust the airflow as needed, allowing the air to pass through the adsorption box 3 at a suitable speed. Inside the adsorption box 3, evenly distributed activated carbon particles 301 adsorb residual harmful substances in the air, such as formaldehyde, benzene, and other volatile organic compounds, further purifying the air. The adsorbed air then enters the catalytic chamber 2 within the decomposition chamber 101 through the second air duct 5. The control valve 6 on the second air duct 5 can also adjust the airflow.

[0073] After air enters the catalytic converter 2, it flows through an S-shaped channel 201 formed by alternating baffles 203, prolonging the contact time between the air and the UV lamp 205 and the titanium dioxide coating 202. Upon sensing the air inflow, the light-controlled switch 204 at the top of the catalytic converter 2 automatically turns on the UV lamp 205. The light emitted by the UV lamp 205 illuminates the titanium dioxide coating 202 on the surface of the baffles 203, generating highly oxidizing hydroxyl radicals. These hydroxyl radicals decompose harmful substances adsorbed on the activated carbon particles 301 that have not been completely removed, converting them into harmless substances such as carbon dioxide and water.

[0074] The purified air, after catalytic decomposition, is drawn out from the catalytic chamber 2 by the air pump 11 and discharged from the machine body 1 through the exhaust hood 17 and the exhaust port 15. The protective net 16 inside the exhaust port 15 can prevent foreign objects from entering the machine body 1 and ensure the safe operation of the device.

[0075] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0076] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0077] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0078] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An automatic fume purification and collection device for metal processing and welding, comprising a body (1) and a decomposition chamber (101), an adsorption chamber (102), and a filter chamber (103) uniformly disposed inside the body (1) via partitions (8), characterized in that: Also includes The smoke collection assembly (9) includes an L-shaped pipe (901) installed on the top of the body (1) via a connecting seat (13) and a smoke hood (902) set at the bottom of one end of the L-shaped pipe (901) via a telescopic corrugated pipe (903). A smoke sensor (907) is installed on the inner wall of the smoke hood (902), and the other end of the L-shaped pipe (901) extends to the top of the filter chamber (103) and is provided with a smoke exhaust hood (905). The filter box (4) is located below the smoke hood (905) inside the filter compartment (103), and the HEPA filter element (402) is installed inside the filter box (4) through a sliding drawer (403); Adsorption box (3), the adsorption box (3) is located inside the adsorption chamber (102) below the filter chamber (103), and activated carbon particles (301) are uniformly arranged inside the adsorption box (3); Catalytic chamber (2), the catalytic chamber (2) is located inside the decomposition chamber (101) below the adsorption chamber (102), and the interior of the catalytic chamber (2) is provided with an S-shaped flow channel (201) through alternately installed guide plates (203). UV lamp tubes (205) are installed inside the catalytic chamber (2) between two adjacent guide plates (203), and a titanium dioxide coating (202) is provided on the surface of each guide plate (203). An air pump (11) is also installed inside the adsorption chamber (102) on one side of the catalytic box (2). The input end of the air pump (11) is connected to the catalytic box (2), and the output end of the air pump (11) extends to the outside of the body (1) through the exhaust hood (17).

2. The automatic fume purification and collection device for metal processing and welding according to claim 1, characterized in that: A first air duct (7) is provided between the output end of the filter box (4) and the input end of the adsorption box (3), and a second air duct (5) is provided between the output end of the adsorption box (3) and the input end of the catalyst box (2). A control valve (6) is installed on both the first air duct (7) and the second air duct (5).

3. The automatic fume purification and collection device for metal processing and welding according to claim 1, characterized in that: The top of the catalyst box (2) is equipped with a light control switch (204) connected to the UV lamp tube (205).

4. The automatic fume purification and collection device for metal processing and welding according to claim 1, characterized in that: The top of the filter box (4) inside the smoke hood (905) is provided with a through hole (401) for smoke to enter.

5. The automatic fume purification and collection device for metal processing and welding according to claim 1, characterized in that: The L-shaped pipe (901) is connected to the connecting seat (13) via a bearing, and a gear ring (904) is provided on the L-shaped pipe (901) inside the connecting seat (13). A servo motor (10) is installed on the top of the connecting seat (13) on one side of the L-shaped pipe (901). The output end of the servo motor (10) extends into the interior of the connecting seat (13) and is provided with a drive gear (1001). The drive gear (1001) meshes with the gear ring (904).

6. The automatic fume purification and collection device for metal processing and welding according to claim 1, characterized in that: A metal filter (906) is provided at the opening of the L-shaped pipe (901) inside the smoking hood (902).

7. The automatic fume purification and collection device for metal processing and welding according to claim 1, characterized in that: Sealed doors (14) are hinged to one side of the machine body (1) at the positions corresponding to the decomposition chamber (101), adsorption chamber (102) and filter chamber (103), and an electrical control box (12) is installed on the other side of the machine body (1). An air outlet (15) for exposing the exhaust hood (17) is provided on the machine body (1) below the electrical control box (12), and a protective net (16) is provided on the inner side of the air outlet (15).

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