Waste gas treatment device for paint spray booth

By designing a misaligned transmission assembly and an automatic adjustment of the filter layer plate in the paint room, the problem of frequent filter replacement and unstable ventilation in the waste gas treatment device of the paint room is solved, and the stable and rapid emission of waste gas and safe ventilation are achieved.

CN119098324APending Publication Date: 2024-12-10李尉芳
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Patent Information

Application Number
CN202411305686.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2024-12-10

AI Technical Summary

Technical Problem

The spray paint room produces a large amount of waste gas during high-intensity operation, resulting in overload of the activated carbon adsorption box and frequent replacement of the filter layer plate, which affects the stability of exhaust gas ventilation and emissions, and poses safety hazards.

Method used

A waste gas treatment device including ventilation exhaust pipe, fixed bracket, filter box and misaligned transmission assembly is designed. The misaligned transmission assembly realizes rapid replacement and automatic adjustment of the filter layer plate to ensure exhaust gas filtration efficiency and ventilation stability.

Benefits of technology

The stable and rapid emission of waste gas in the paint spray room is achieved, the filter replacement time is reduced, the waste gas filtration efficiency is improved, the activated carbon adsorption box is blocked, and the workers' safety is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of air duct ventilation, in particular to a waste gas treatment device for a paint spray booth, which comprises a ventilation exhaust pipe, a fixing support and a waste gas eduction pipe, a filter box is fixedly embedded outside the ventilation exhaust pipe and the waste gas eduction pipe, an inner cavity for guiding waste gas is formed in the filter box, and two gas filter laminates are arranged in the inner cavity. According to the invention, the staggered transmission assembly is arranged, and a first lifting plate arranged in the staggered transmission assembly enables the air filtering layer plate located in the second storage notch to move upwards to enter the inner cavity, so that the air filtering layer plate in the inner cavity is separated from the air filtering layer plate in the inner cavity; meanwhile, a second lifting plate arranged in the staggered transmission assembly moves downwards to enable the air filtering layer plate located in the inner cavity to enter a first storage notch downwards to be stored, and a new air filtering layer plate is rapidly replaced into the inner cavity, so that the replacement time of the air filtering layer plate is shortened; and the effect that the paint spraying room can stably and continuously discharge the waste gas outwards is achieved.
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Description

Technical Field

[0001] The invention relates to the technical field of air duct ventilation, and in particular to an exhaust gas treatment device for a paint spraying room. Background Art

[0002] The paint spraying room is a room where objects are sprayed with paint, also known as the paint baking room. The paint spraying room is a device that provides a special environment for painting operations. The paint mist and organic waste gas generated during the painting operation often contain large particles, so they need to be discharged to the outside through the ventilation duct to the activated carbon adsorption box for waste gas emission treatment. When the paint spraying room is performing high-intensity operations, a large amount of waste gas will be discharged to the outside. When the excess waste gas is discharged into the activated carbon adsorption box through the ventilation duct, the activated carbon adsorption box will come into contact with a large amount of large-particle waste gas, which can easily cause the surface of the activated carbon adsorption layer to instantly The room is over-saturated, which affects the filtering and absorption of the exhaust gas discharged from the spray paint room. In order to stably filter and discharge the exhaust gas generated in the spray paint room, a filter layer plate is currently installed outside the ventilation duct to pre-filter the large particles of the exhaust gas generated in the spray paint room. However, after the filter layer plate is installed and the exhaust gas is discharged from the spray paint room for a long time, it is necessary to stop the ventilation and discharge of the exhaust gas in the spray paint room to replace the filter layer plate. Therefore, it is easy to cause the exhaust gas in the spray paint room to accumulate and cannot be quickly and quickly ventilated and discharged to the outside, thereby posing a safety hazard to the workers in the spray paint room. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides an exhaust gas treatment device for a paint spraying room.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: an exhaust gas treatment device for a paint spraying room, comprising a ventilation exhaust pipe, a fixed bracket and an exhaust gas outlet pipe, the ventilation exhaust pipe is embedded in the wall of the paint spraying room and is connected to the interior of the paint spraying room, a fixed bracket for fixing to the wall of the paint spraying room is arranged on the outside of the ventilation exhaust pipe, a filter box is fixedly embedded on the outside of the ventilation exhaust pipe and the exhaust gas outlet pipe, an inner cavity for guiding the exhaust gas is provided inside the filter box, two filter layer plates for filtering the exhaust gas are arranged inside the inner cavity, the filter screen of the filter layer plate is arranged in the middle, and a filter for placing the filter layer plate is provided inside the inner cavity The first receiving slot and the second receiving slot, the number of the air filter layer plates is set to two, the two air filter layer plates are regulated in the position inside the inner cavity by providing a staggered transmission component, the staggered transmission component includes an empty slot for communicating with the inner cavity and a first transmission belt and a second transmission belt for contacting the two air filter layer plates, the empty slot is arranged inside the filter box, and the empty slot is connected to the inside of the first receiving slot and the second receiving slot, the inside of the second transmission belt is meshedly connected with a first roller, the first roller is rotatably connected to the inside of the empty slot, and an electric motor for providing power to the second transmission belt is fixed The output shaft of the electric motor is connected to the outside of the filter box, and the output shaft of the electric motor moves through the filter box and enters the inside of the empty slot. The output shaft of the electric motor is frictionally connected to the side of the second transmission belt away from the first roller. The second transmission belt is driven to rotate inside the empty slot by the output shaft of the electric motor. The first transmission belt is meshingly connected with the rotating roller and the second roller. The second roller and the rotating roller are rotatably connected to the upper and lower sides of the inside of the empty slot respectively. The outside of the rotating roller is fixedly sleeved with a driven tooth. The outside of the output shaft of the electric motor is fixedly sleeved with a driving tooth. The driving tooth is meshingly connected with the driven tooth. The outside of the first transmission belt and the second transmission belt are meshingly connected. A second lifting plate and a first lifting plate are respectively provided for providing support for the two air filter layer plates. The second lifting plate is fixedly connected to the outside of the first transmission belt, and the first lifting plate is fixedly connected to the outside of the second transmission belt. The first lifting plate and the second lifting plate are respectively attached to the bottom of the two air filter layer plates. The two air filter layer plates are supported by the first lifting plate and the second lifting plate and are arranged in a high and low staggered state in the inner cavity. The air filter layer plates are located inside the inner cavity to filter the exhaust gas discharged from the ventilation exhaust pipe and introduce it into the exhaust gas outlet pipe. A groove that matches the shape and size of the upper end of the first lifting plate or the second lifting plate is provided at the bottom of each of the air filter layer plates.

[0005] As a preferred technical solution of the present invention, an external opening is provided on the outside of the filter box, which is connected to the inside of the first receiving slot and the second receiving slot. The external opening is rotatably connected to a sealing door via a hinge, and the sealing door seals the inside of the external opening.

[0006] As a preferred technical solution of the present invention, both sides of the inner cavity are provided with air guide components for guiding exhaust gas discharge, and the two air guide components are respectively arranged on the side of the ventilation exhaust pipe facing the exhaust gas outlet pipe, each air guide component includes an air guide pipe for assisting exhaust gas discharge, the air guide pipe is movably connected to the inside of the ventilation exhaust pipe, and the air guide pipe is located on one side of the inner cavity and is fixedly sleeved with a ring, the ring is attached to the outside of the air filter layer plate, and the air guide pipe guides the exhaust gas in the ventilation exhaust pipe to the filter screen of the air filter layer plate, and the outer part of the air guide pipe is movably sleeved with a sleeve spring, and the two ends of the sleeve spring are respectively The air filter assembly is fixedly connected to the side of the retaining ring facing the inner wall of the inner cavity. The retaining ring can be stably fitted on the surface of the air filter layer plate through the elastic force exerted by the sleeve spring. The air guide assembly also includes a vertical slot, which is arranged inside the inner cavity. A limiting slot is arranged inside the vertical slot. A connecting movable plate for transmission is slidably connected inside the limiting slot. A pull rope is fixedly connected to one end of the connecting movable plate. An end of the pull rope away from the connecting movable plate movably passes through the inner wall of the limiting slot and extends to the inside of the inner cavity. An end of the pull rope away from the connecting movable plate is fixedly connected to the retaining ring, and the pull rope is located inside the sleeve spring.

[0007] As a preferred technical solution of the present invention, a connecting component for transmitting with an air guide component is arranged on the outside of the air filter layer plate, and the connecting component includes a seesaw for sliding inside the vertical slot and a side slot for placing the seesaw, and the side slot is opened on the outside of the air filter layer plate, and the seesaw is movably connected to the inside of the side slot, and the internal movability connection of the seesaw is connected to a limiting rod, and the limiting rod is fixedly connected to the inside of the side slot, and the seesaw moves stably upward or downward inside the side slot through the limiting rod, and the seesaw is located below the connecting movable plate, and the external movable sleeve of the limiting rod is provided with a vertical spring, and the two ends of the vertical spring are respectively fixedly connected to the side of the seesaw facing the inner wall of the side slot.

[0008] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0009] 1. By setting a staggered transmission component, a first lifting plate provided in the staggered transmission component enables the air filter layer plate located in the second receiving slot to move upward into the inner cavity, and at the same time, a second lifting plate provided in the staggered transmission component moves downward to enable the air filter layer plate located in the inner cavity to move downward into the first receiving slot for storage. By quickly replacing a new air filter layer plate into the inner cavity, the time for replacing the air filter layer plate is reduced, thereby achieving the effect of enabling the paint spraying room to stably and continuously discharge exhaust gas to the outside.

[0010] 2. When the air filter layer plate located inside the second receiving slot is driven to rise, the air filter layer plate drives the seesaw plate outside it to rise synchronously and drives the connected movable plate to move upward synchronously. The connected movable plate is driven by the pulling force generated by the sleeve spring on the resisting ring to shrink in the inner cavity. After the air filter layer plate in the second receiving slot rises to the inner cavity, the resisting ring fits the surface of the air filter layer plate. At the same time, when the air filter layer plate in the second receiving slot rises, the air filter layer plate originally located in the inner cavity shrinks downward to the inside of the first receiving slot. The elastic force generated by the sleeve spring makes the resisting ring close to one side of the ventilation exhaust pipe fit with the other side of the outside of the air filter layer plate. The exhaust gas is guided by the air guide components on both sides, so that the exhaust gas can stably and quickly pass through the filter of the air filter layer plate for filtration, thereby improving the efficiency of exhaust gas discharge and ventilation.

[0011] 3. Open the sealing door, grab the seesaw located in the first receiving slot from the inside of the outer opening, and use the seesaw to take out the used air filter layer plate in the first receiving slot. At this time, a new air filter layer plate can be placed in the first receiving slot and placed above the second lifting plate, so that when the electric motor is restarted, the new air filter layer plate placed in the first receiving slot can be quickly driven to replace the air filter layer plate in use in the inner cavity, thereby achieving the effect of facilitating the reciprocating replacement of the air filter layer plate by the device.

[0012] 4. By placing the air filter layer plate on one side on the second lifting plate, the air filter layer plate is supported and positioned inside the inner cavity by the second lifting plate. At this time, the exhaust pipe ventilates the exhaust gas in the paint spraying room into the inner cavity, and the large particles of exhaust gas are filtered by the air filter layer plate and then discharged into the activated carbon adsorption box through the exhaust gas outlet pipe. By filtering the large particles of exhaust gas in advance, the exhaust gas is prevented from being blocked in the activated carbon adsorption box, which effectively ensures the stability of the exhaust gas in the paint spraying room to be ventilated and discharged to the outside.

[0013] 5. By setting a vertical spring to provide elastic force to the seesaw, when the seesaw contacts the connecting movable plate and drives the connecting movable plate to rise inside the limiting groove, the elastic force provided by the vertical spring to the seesaw is greater than the pulling force provided by the sleeve spring to the connecting movable plate. Therefore, the seesaw can drive the connecting movable plate to rise inside the limiting groove, and when the connecting movable plate rises in the limiting groove and fits the inner wall, the seesaw shrinks in the side groove and makes the air filter layer plate rise stably into the inner cavity for installation and placement, thereby improving the stable replacement effect of the air filter layer plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the structure of the sealing door after it is rotated and opened;

[0016] Figure 3It is a schematic cross-sectional structure diagram of the filter box of the present invention;

[0017] Figure 4 It is a schematic diagram of the structure of the air filter layer plate of the present invention;

[0018] Figure 5 It is a schematic cross-sectional structural diagram of the hollow slot of the present invention;

[0019] Figure 6 It is a partial cross-sectional structural schematic diagram of the filter box of the present invention;

[0020] Figure 7 It is a schematic diagram of the top cross-sectional structure of the filter box of the present invention;

[0021] Figure 8 For the present invention Figure 5 Schematic diagram of the local enlarged structure at point A in the middle.

[0022] Among them: 10, ventilation exhaust pipe; 11, fixed bracket; 12, filter box; 13, exhaust gas outlet pipe; 14, external opening; 15, sealing door; 16, air filter layer plate; 17, inner cavity; 18, first receiving slot; 19, second receiving slot; 20, empty slot; 21, electric motor; 22, first transmission belt; 23, second transmission belt; 24, first lifting plate; 25, second lifting plate; 26, driven gear; 27, rotating roller; 28, driving gear; 29, first support roller; 210, second support roller; 30, side groove; 31, seesaw; 32, vertical spring; 33, limit rod; 40, vertical slot; 41, limit slot; 42, pull rope; 43, ring; 44, sleeve spring; 45, air guide pipe; 46, connecting movable plate. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can all be obtained from commercial channels.

[0024] Embodiment: Figure 1 , Figure 2 , Figure 3 and Figure 5The exhaust gas treatment device for a paint spraying room shown in the figure comprises a ventilation exhaust pipe 10, a fixed bracket 11 and an exhaust gas outlet pipe 13. The ventilation exhaust pipe 10 is embedded in the wall of the paint spraying room and communicated with the interior of the paint spraying room. The exterior of the ventilation exhaust pipe 10 is provided with a fixed bracket 11 for fixing to the wall of the paint spraying room. The ventilation exhaust pipe 10 and the exhaust gas outlet pipe 13 are fixedly embedded with a filter box 12. The interior of the filter box 12 is provided with an inner cavity 17 for guiding the exhaust gas. The interior of the inner cavity 17 is provided with two filter layer plates 16 for filtering the exhaust gas. The filter screen of the filter layer plate 16 is arranged in the middle. The interior of the inner cavity 17 is provided with a first receiving slot 18 and a second receiving slot 19 for placing the filter layer plate 16. The two filter layers 17 are provided with a filter layer 16. The layer plate 16 is regulated in its position inside the inner cavity 17 by being provided with a staggered transmission component, and the staggered transmission component includes an empty slot 20 for communicating with the inner cavity 17 and a first transmission belt 22 and a second transmission belt 23 for contacting the two air filter layer plates 16, the empty slot 20 is arranged inside the filter box 12, and the empty slot 20 is connected to the inside of the first receiving slot 18 and the second receiving slot 19, and the inside of the second transmission belt 23 is meshedly connected with a first support roller 29, and the first support roller 29 is rotatably connected to the inside of the empty slot 20, and an electric motor 21 for providing power to the second transmission belt 23 is fixedly connected to the outside of the filter box 12, and the output shaft of the electric motor 21 movably penetrates The filter box 12 enters the interior of the empty slot 20, the output shaft of the electric motor 21 is frictionally connected to the side of the second transmission belt 23 away from the first support roller 29, the second transmission belt 23 is driven to rotate in the empty slot 20 by the output shaft of the electric motor 21, the first transmission belt 22 is internally meshed with a rotating roller 27 and a second support roller 210, the second support roller 210 and the rotating roller 27 are respectively rotatably connected to the upper and lower sides of the empty slot 20, the external fixed sleeve of the rotating roller 27 is connected with a driven tooth 26, the external fixed sleeve of the output shaft of the electric motor 21 is connected with a driving tooth 28, the driving tooth 28 is meshed with the driven tooth 26, the external parts of the first transmission belt 22 and the second transmission belt 23 are respectively provided with The second lifting plate 25 and the first lifting plate 24 provide support for the two air filter layer plates 16. The second lifting plate 25 is fixedly connected to the outside of the first transmission belt 22, and the first lifting plate 24 is fixedly connected to the outside of the second transmission belt 23. The first lifting plate 24 and the second lifting plate 25 are respectively attached to the bottom of the two air filter layer plates 16. The two air filter layer plates 16 are supported by the first lifting plate 24 and the second lifting plate 25 and are arranged in a high and low staggered state in the inner cavity 17. The air filter layer plates 16 are located inside the inner cavity 17 to filter the exhaust gas discharged from the ventilation exhaust pipe 10 and introduce it into the exhaust gas outlet pipe 13. Each of the air filter layer plates 16 is provided with a groove at the bottom that matches the shape and size of the upper end of the first lifting plate 24 or the second lifting plate 25.

[0025] See also Figure 2 and Figure 7An external opening 14 is provided on the outside of the filter box 12, and the external opening 14 is communicated with the inside of the first receiving slot 18 and the second receiving slot 19. The external opening 14 is rotatably connected to a sealing door 15 by a hinge, and the sealing door 15 seals the inside of the external opening 14. By setting the first receiving slot 18 and the second receiving slot 19, an air filter layer plate 16 can be placed in the first receiving slot 18 or the second receiving slot 19, and the other air filter layer plate 16 can be placed in the inner cavity 17 for normal filtering of exhaust gas.

[0026] See also Figure 3 , Figure 6 and Figure 8 , both sides of the inner cavity 17 are provided with air guide components for guiding exhaust gas discharge, and the two air guide components are respectively arranged on the side facing the ventilation exhaust pipe 10 and the exhaust gas outlet pipe 13, and each air guide component includes an air guide pipe 45 for assisting exhaust gas discharge, and the air guide pipe 45 is movably connected to the inside of the ventilation exhaust pipe 10, and the air guide pipe 45 is located in the inner cavity 17. The side of the air guide pipe 45 is fixedly sleeved with a ring 43, and the ring 43 is attached to the outside of the air filter layer plate 16, and the air guide pipe 45 guides the exhaust gas in the ventilation exhaust pipe 10 to the filter screen of the air filter layer plate 16, and the outside of the air guide pipe 45 is movably sleeved with a sleeve spring 44, and the two ends of the sleeve spring 44 are respectively fixedly connected to the ring 43 and the inner cavity 1 On the side facing the inner wall of 7, the ring 43 can be stably attached to the surface of the air filter layer plate 16 through the elastic force exerted by the sleeve spring 44. The air guide component also includes a vertical slot 40, which is opened inside the inner cavity 17. A limiting slot 41 is opened inside the vertical slot 40. A connecting movable plate 46 for transmission is slidably connected inside the limiting slot 41. One end of the connecting movable plate 46 is fixedly connected to a pull rope 42. One end of the pull rope 42 away from the connecting movable plate 46 movably passes through the inner wall of the limiting slot 41 and extends to the inside of the inner cavity 17. One end of the pull rope 42 away from the connecting movable plate 46 is fixedly connected to the ring 43, and the pull rope 42 is located inside the sleeve spring 44.

[0027] See also Figure 4The outside of the air filter layer plate 16 is provided with a connecting component for transmission with the air guide component, and the connecting component includes a seesaw 31 for sliding inside the vertical slot 40 and a side slot 30 for placing the seesaw 31, and the side slot 30 is opened on the outside of the air filter layer plate 16, and the seesaw 31 is movably connected to the inside of the side slot 30, and the inside of the seesaw 31 is movably connected to the limit rod 33, and the limit rod 33 is fixedly connected to the inside of the side slot 30. The seesaw 31 is stably moved upward or downward inside the side slot 30 through the limit rod 33, and the seesaw 31 is located below the connecting movable plate 46, and the outside of the limit rod 33 is movably sleeved with a vertical spring 32, and the two ends of the vertical spring 32 are respectively fixedly connected to the seesaw 3 On the side facing the inner wall of the side groove 30, a vertical spring 32 is provided to provide elastic force to the seesaw 31. When the seesaw 31 contacts the connecting movable plate 46 and drives the connecting movable plate 46 to rise inside the limiting groove 41, the elastic force provided by the vertical spring 32 to the seesaw 31 is greater than the pulling force provided by the sleeve spring 44 to the connecting movable plate 46. Therefore, the seesaw 31 can drive the connecting movable plate 46 to rise inside the limiting groove 41. When the connecting movable plate 46 rises in the limiting groove 41 and fits the inner wall, the seesaw 31 contracts in the side groove 30 and makes the air filter layer plate 16 rise stably into the inner cavity 17 for installation and placement, thereby improving the stable replacement effect of the air filter layer plate 16.

[0028] Working principle:

[0029] Before use: by placing the air filter layer plate 16 on one side on the second lifting plate 25, the air filter layer plate 16 is supported and positioned inside the inner cavity 17 by the second lifting plate 25. At this time, the exhaust pipe 10 ventilates the exhaust gas in the paint spraying room into the inner cavity 17, and the large particles of exhaust gas are filtered by the air filter layer plate 16 and then discharged into the activated carbon adsorption box through the exhaust gas outlet pipe 13. By filtering the large particles of exhaust gas in advance, the situation of exhaust gas clogging in the activated carbon adsorption box is avoided, which effectively ensures the stability of the exhaust gas in the paint spraying room to be ventilated and discharged to the outside.

[0030] During use: the first step, when the air filter layer plate 16 has been filtering the exhaust gas for a long time, the air filter layer plate 16 needs to be replaced, and the electric motor 21 is started to drive the second transmission belt 23 to rotate in the empty slot 20, and the electric motor 21 synchronously drives the active gear 28 and the driven gear 26 to rotate the first transmission belt 22, and the meshing transmission of the active gear 28 and the driven gear 26 makes the first transmission belt 22 and the second transmission belt 23 rotate in opposite directions. At this time, the second transmission belt 23 drives the first lifting plate 24 to make the air filter layer plate 16 located in the second receiving slot 19 move upward into the inner cavity 17, and at the same time, the air filter layer plate 16 located in the inner cavity 17 moves downward into the first receiving slot 18 for storage. By quickly replacing the new air filter layer plate 16 into the inner cavity 17, the time for replacing the air filter layer plate 16 is reduced, so that the paint spraying room can stably and continuously discharge exhaust gas to the outside.

[0031] The second step is to drive the air filter layer plate 16 located inside the second receiving slot 19 to rise, and the air filter layer plate 16 drives the rocker plate 31 outside it to rise synchronously and drives the connecting movable plate 46 to move upward synchronously. The connecting movable plate 46 is subjected to the pulling force generated by the sleeve spring 44 on the retaining ring 43, which drives the retaining ring 43 to shrink in the inner cavity 17. After the air filter layer plate 16 in the second receiving slot 19 rises to the inside of the inner cavity 17, the retaining ring 43 is made to fit the surface of the air filter layer plate 16. At the same time, when the air filter layer plate 16 in the second receiving slot 19 rises, the air filter layer plate 16 originally located in the inner cavity 17 shrinks downward to the inside of the first receiving slot 18. The elastic force generated by the sleeve spring 44 makes the retaining ring 43 close to one side of the ventilation exhaust pipe 10 fit the other side of the outside of the air filter layer plate 16. The exhaust gas is guided by the air guide components on both sides, so that the exhaust gas can stably and quickly pass through the filter screen of the air filter layer plate 16 for filtration, thereby improving the efficiency of exhaust gas discharge and ventilation.

[0032] After use: by opening the sealing door 15, grab the seesaw 31 located in the first receiving slot 18 from the inside of the outer opening 14, and use the seesaw 31 to take out the used air filter layer plate 16 located in the first receiving slot 18. At this time, a new air filter layer plate 16 can be placed in the first receiving slot 18 and placed above the second lifting plate 25, so that when the electric motor 21 is restarted, the new air filter layer plate 16 placed in the first receiving slot 18 can be quickly driven to replace the air filter layer plate 16 in use in the inner cavity 17, so as to achieve the effect of facilitating the reciprocating replacement of the air filter layer plate 16 for the device.

[0033] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An exhaust gas treatment device for a paint spraying room, comprising a ventilation exhaust pipe (10), a fixing bracket (11) and an exhaust gas outlet pipe (13), wherein the ventilation exhaust pipe (10) is embedded in the wall of the paint spraying room and communicates with the interior of the paint spraying room, and a fixing bracket (11) for fixing to the wall of the paint spraying room is arranged outside the ventilation exhaust pipe (10). It is characterized in that The ventilation exhaust pipe (10) and the exhaust gas outlet pipe (13) are fixedly inlaid with a filter box (12) on the outside, an inner cavity (17) for guiding the exhaust gas is provided inside the filter box (12), two air filter layer plates (16) for filtering the exhaust gas are provided inside the inner cavity (17), a first receiving slot (18) and a second receiving slot (19) for placing the air filter layer plates (16) are provided inside the inner cavity (17), and the positions of the two air filter layer plates (16) inside the inner cavity (17) are regulated by providing a dislocation transmission component, and the dislocation transmission component comprises: A hollow groove (20) for communicating with the interior of the inner cavity (17) and a first transmission belt (22) and a second transmission belt (23) for contacting the two air filter layer plates (16), wherein the hollow groove (20) is arranged inside the filter box (12), and the hollow groove (20) is connected to the interior of the first receiving notch (18) and the second receiving notch (19), and the interior of the second transmission belt (23) is meshedly connected with a first support roller (29), and the first support roller (29) is rotatably connected to the interior of the hollow groove (20); An electric motor (21) for providing power to the second transmission belt (23), the electric motor (21) being fixedly connected to the outside of the filter box (12), the output shaft of the electric motor (21) movably passing through the filter box (12) and entering the inside of the empty slot (20), the output shaft of the electric motor (21) being frictionally connected to a side of the inside of the second transmission belt (23) away from the first roller (29), and the second transmission belt (23) being driven by the output shaft of the electric motor (21) to rotate inside the empty slot (20); The first transmission belt (22) is internally meshed with a rotating roller (27) and a second supporting roller (210), the second supporting roller (210) and the rotating roller (27) are respectively rotatably connected to the upper and lower sides of the interior of the empty slot (20), the rotating roller (27) is externally fixedly sleeved with a driven tooth (26), the output shaft of the electric motor (21) is externally fixedly sleeved with a driving tooth (28), and the driving tooth (28) is meshed with the driven tooth (26); A second lifting plate (25) and a first lifting plate (24) for supporting the two air filter layer plates (16) are respectively arranged outside the first transmission belt (22) and the second transmission belt (23); the second lifting plate (25) is fixedly connected to the outside of the first transmission belt (22); the first lifting plate (24) is fixedly connected to the outside of the second transmission belt (23); the first lifting plate (24) and the second lifting plate (25) are respectively attached to the bottom of the two air filter layer plates (16).

2. The exhaust gas treatment device for a paint spraying room according to claim 1, It is characterized in that The filter box (12) is provided with an external opening (14) on the outside, the external opening (14) is communicated with the inside of the first receiving slot (18) and the second receiving slot (19), the external opening (14) is rotatably connected to a sealing door (15) via a hinge, and the sealing door (15) seals the inside of the external opening (14).

3. The exhaust gas treatment device for a paint spraying room according to claim 1, It is characterized in that Wind guide components for guiding exhaust gas discharge are arranged on both sides of the inner cavity (17), and the two wind guide components are arranged on the sides of the ventilation exhaust pipe (10) and the exhaust gas outlet pipe (13) facing each other, and each wind guide component includes; An air guide pipe (45) is used to assist in exhaust gas discharge. The air guide pipe (45) is movably connected to the interior of the ventilation exhaust pipe (10). A retaining ring (43) is fixedly sleeved on one side of the air guide pipe (45) located inside the inner cavity (17). The retaining ring (43) is attached to the outside of the air filter layer plate (16). The air guide pipe (45) guides the exhaust gas in the ventilation exhaust pipe (10) to the filter screen of the air filter layer plate (16).

4. The exhaust gas treatment device for a paint spraying room according to claim 3, It is characterized in that The air guide tube (45) is movablely sleeved with a sleeve spring (44), and the two ends of the sleeve spring (44) are respectively fixedly connected to the side of the ring (43) facing the inner wall of the inner cavity (17). The ring (43) can be stably attached to the surface of the air filter layer plate (16) through the elastic force applied by the sleeve spring (44).

5. An exhaust gas treatment device for a paint spraying room according to claim 3 or 4, It is characterized in that The air guide component also includes a vertical slot (40), the vertical slot (40) is opened inside the inner cavity (17), a limiting slot (41) is opened inside the vertical slot (40), the limiting slot (41) is slidably connected inside with a connecting movable plate (46) for transmission, one end of the connecting movable plate (46) is fixedly connected with a pull rope (42), the end of the pull rope (42) away from the connecting movable plate (46) movably passes through the inner wall of the limiting slot (41) and extends to the inside of the inner cavity (17), the end of the pull rope (42) away from the connecting movable plate (46) is fixedly connected to the ring (43), and the pull rope (42) is located inside the sleeve spring (44).

6. The exhaust gas treatment device for a paint spraying room according to claim 5, It is characterized in that The air filter layer plate (16) is provided with a connecting component for transmission with the air guide component on the outside, and the connecting component comprises: A seesaw (31) for sliding inside the vertical slot (40) and a side slot (30) for placing the seesaw (31), the side slot (30) being arranged outside the air filter layer plate (16), the seesaw (31) being movably connected inside the side slot (30), the inside of the seesaw (31) being movably connected to a limit rod (33), the limit rod (33) being fixedly connected inside the side slot (30), the seesaw (31) being stably moved upward or downward inside the side slot (30) through the limit rod (33), and the seesaw (31) being located below the connecting movable plate (46).

7. The exhaust gas treatment device for a paint spraying room according to claim 6, It is characterized in that The outer movable sleeve of the limiting rod (33) is provided with a vertical spring (32), and the two ends of the vertical spring (32) are respectively fixedly connected to the side of the rocker plate (31) facing the inner wall of the side groove (30).

8. The exhaust gas treatment device for a paint spraying room according to claim 1, It is characterized in that A slot having a shape and size matching that of the upper end of the first lifting plate (24) or the second lifting plate (25) is provided below each of the air filtering layer plates (16).