Waste gas treatment device for automobile part casting production line

By designing a bendable and stretchable suction pipe and a support structure exhaust gas treatment device, the problem of the inability to accurately place the suction structure in the prior art is solved, the precise absorption and thorough discharge of the exhaust gas is achieved, and the treatment efficiency is improved.

CN222754004UActive Publication Date: 2025-04-15DEYANG YINGHE MASCH MFG CO LTD
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Patent Information

Application Number
CN202421452628.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-15
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

In the exhaust gas treatment devices of the existing automobile parts production line, the suction structure can only move on a fixed track and cannot be accurately placed as needed, resulting in the exhaust gas absorption effect not being thorough enough.

Method used

An exhaust gas treatment device including a bendable and stretchable suction pipe and a support structure is designed. By adjusting the coordination of the assembly and the support assembly, the suction pipe can be bent and placed at will around the arranged track, thereby accurately aligning the exhaust gas generation point.

Benefits of technology

It realizes the precise absorption and thorough discharge of waste gas, improves the efficiency and effect of waste gas treatment, and does not affect the normal operation of the production line.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of waste gas treatment, in particular to a waste gas treatment device for an automobile part casting production line. According to the technical problems, a movable air suction structure is adopted to suck waste gas, the air suction structure can only move on a fixed rail and cannot be accurately placed according to needs, and the waste gas suction effect is not thorough enough; according to the technical scheme, the waste gas treatment device for the automobile part casting production line comprises an adjusting assembly and a supporting assembly; compared with the prior art that a movable air suction structure is adopted to suck waste gas, the air suction structure can only move on a fixed track and cannot be accurately placed according to needs, and the waste gas suction effect is not thorough enough; according to the waste gas treatment device, the gas suction pipeline capable of being bent and stretched is arranged to be matched with the supporting structure, so that the gas suction pipeline can be bent and placed at will around the arranged track, the waste gas generation point can be accurately aligned, and waste gas can be exhausted more thoroughly.
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Description

Technical Field

[0001] The utility model relates to the field of waste gas treatment, in particular to a waste gas treatment device for an automobile parts casting production line. Background Art

[0002] The exhaust gas treatment device of the automobile parts production line is a device used to treat the exhaust gas generated in the production process of automobile parts; the device can effectively reduce exhaust gas emissions, protect the environment and employee health; its working principle is to clean the exhaust gas through a series of filtering and purification steps, and then release it into the air; first, the exhaust gas enters the exhaust gas treatment device through the exhaust pipe; in the device, the exhaust gas first passes through a filter for preliminary filtration to remove large particles and impurities; then, the exhaust gas passes through a spray device, in which the sprayer mixes water and detergent and sprays the mixture into the exhaust gas; this step helps to remove fine particles and gaseous pollutants in the exhaust gas; next, the exhaust gas passes through a chemical reactor, in which the catalyst reacts with the harmful substances in the exhaust gas; this reaction It should be able to convert harmful substances in the exhaust gas into harmless substances; this chemical reactor is the most critical part of the exhaust gas treatment device because it can effectively reduce the pollutant content in the exhaust gas; finally, the exhaust gas that has undergone chemical reactions is released into the atmosphere through an exhaust pipe; before release, the exhaust gas is monitored by an exhaust emission monitoring device to ensure that it meets environmental protection standards; if the exhaust gas exceeds the prescribed emission limit, the staff will adjust or repair the exhaust gas treatment device to ensure its normal operation; when treating the exhaust gas generated by the automotive parts production line, a movable suction structure is used to absorb the exhaust gas. The suction structure can only be moved on a fixed track and cannot be placed accurately according to needs, and the exhaust gas absorption effect is not thorough enough. Utility Model Content

[0003] In order to overcome the problem that when treating the exhaust gas generated by the automobile parts production line, a movable air suction structure is used to absorb the exhaust gas, but the air suction structure can only move on a fixed track and cannot be accurately placed according to needs, and the exhaust gas absorption effect is not thorough enough.

[0004] The technical solution of the utility model is: an exhaust gas treatment device for an automobile parts casting production line, comprising an air intake duct, a dust collecting bin, a dust collection component, an adjustment component, a support component, a cooling component, a filtering component and a processing component, one end of the air intake duct is connected to the dust collecting bin, the other end of the air intake duct is connected to the dust collection component, the adjustment component is arranged on the outside of the air intake duct, the adjustment component is fixedly connected to the air intake duct, the support component is arranged on one side of the air intake duct, the cooling component is arranged on the dust collection component, the filtering component is arranged on the dust collection component, and the processing component is arranged on one side of the dust collection component.

[0005] Preferably, by setting up an intake duct, the exhaust gas can be sucked under the action of the dust collection component, by setting up a dust collecting bin, the exhaust area of ​​the intake duct can be increased, by setting up an adjustment component, the position of the dust collecting bin can be adjusted, thereby the exhaust gas suction position can be adjusted, by setting up a support component, the intake duct can be supported, so that the intake duct can change its shape, so that the dust collecting bin can be manually adjusted and stopped at any position, by setting up a cooling component, the exhaust gas can be cooled, by setting up a filtering component, the exhaust gas can be filtered, thereby the dust collection component can be protected and the exhaust gas can be processed, and by setting up a processing component, the exhaust gas can be processed.

[0006] Preferably, the dust collection assembly includes a negative pressure pump and a connecting pipe, one end of the connecting pipe is connected to the air intake pipe, and the other end of the connecting pipe is connected to the negative pressure pump. When in use, the negative pressure pump can be set up to generate negative pressure in the air intake pipe using the connecting pipe, thereby sucking the exhaust gas into the connecting pipe.

[0007] Preferably, the adjustment component includes a mounting frame, an adjustment motor, an adjustment screw and a connecting ring. The mounting frame is arranged above the intake duct, the adjustment motor is arranged on one side of the mounting frame, the adjustment screw is arranged inside the mounting frame, one end of the adjustment screw is fixedly connected to the output end of the adjustment motor, the connecting ring is arranged outside the intake duct, the connecting ring is threadedly connected to the adjustment screw, the connecting ring is slidably connected to the mounting frame, and the intake duct is arranged as a retractable structure. When in use, the adjustment motor and the adjustment screw can be installed and fixed by setting the mounting frame, and the adjustment motor can be driven to rotate by setting the adjustment screw. The connecting ring is threadedly connected to the adjustment screw. At the same time, under the limit of the mounting frame, when the adjustment screw rotates, it drives the connecting ring to move, thereby driving the intake duct to move, so that the position of sucking in exhaust gas can be adjusted.

[0008] Preferably, the support assembly includes a support rod, a connecting rod, a rotating ball and a rotating groove. The support rod is arranged in multiple groups. The support rod is arranged on the outside of the air intake duct, the support rod is fixedly connected to the side wall of the air intake duct, one end of the connecting rod is fixedly connected to one end of the support rod, and the other end of the connecting rod is fixedly connected to the rotating ball. The rotating groove is opened on the other end of the support rod, and an anti-skid pad is arranged on the inner side wall of the rotating groove. The rotating ball is arranged inside the rotating groove. When in use, the air intake duct can be supported by arranging the support rod, the rotating ball and the support rod can be connected by arranging the connecting rod, and multiple groups of support rods can be connected by arranging the rotating ball and the rotating groove, and rotation between multiple groups of support rods can be realized, so that the air intake duct can be bent, and the anti-skid pad can be arranged to increase the friction between the rotating ball and the inner wall of the rotating groove, so that the air intake duct can be suspended at any position after being bent to any angle, so that the air intake duct can be adjusted conveniently, thereby preventing use and increasing the exhaust gas discharge effect, and the rotating ball slides in the rotating groove and can be shortened as the air intake duct is shortened, without affecting the normal operation of the production line.

[0009] Preferably, the cooling component includes a cooling bin, a cooling pipe and a circulating pump. The cooling pipe is arranged in two groups. One end of the cooling pipe is connected with the cooling bin. The cooling bin is arranged on the connecting pipe. The circulating pump is arranged on the cooling pipe. When in use, the cooling pipe can be arranged to transport cooling liquid into the cooling bin under the action of the circulating pump, so that the exhaust gas can be cooled to prevent the high-temperature exhaust gas from damaging the negative pressure pump.

[0010] Preferably, the filter assembly includes a bag dust collector and a mounting bracket. The bag dust collector is arranged on a connecting pipe, which is connected to the bag dust collector. The mounting bracket is arranged below the bag dust collector, and the mounting bracket is fixedly connected to the bottom surface of the bag dust collector. When in use, the bag dust collector can be installed by setting the mounting bracket. By setting the bag dust collector, impurities in the exhaust gas can be removed to prevent the impurities from entering the negative pressure pump and affecting the normal operation of the negative pressure pump.

[0011] Preferably, the processing component includes a processing chamber and a nozzle, the nozzle is arranged on the inner top surface of the processing chamber, one end of one group of two groups of cooling pipes is through-connected with the nozzle, and the other group of the two groups of cooling pipes is through-connected with the bottom surface of the processing chamber, and an exhaust pipe is arranged on the top surface of the processing chamber. When in use, the nozzle can be installed by setting up the processing chamber, and the treatment liquid can be sprayed into the interior of the processing chamber by setting up the nozzle to treat the exhaust gas. Under the action of the cooling pipe and the circulating pump, it is possible to cool the exhaust gas while spraying the treatment liquid to treat the exhaust gas. The structure is simple and the use cost is lower.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the prior art, when treating the exhaust gas generated by the automobile parts production line, a movable air suction structure is used to absorb the exhaust gas. The air suction structure can only be moved on a fixed track and cannot be accurately placed according to needs, and the exhaust gas absorption effect is not thorough enough; the exhaust gas treatment device is provided with a bendable and stretchable air suction pipe in coordination with the support structure, so that the air suction pipe can be bent and placed at will around the set track, so that it can be accurately aligned with the exhaust gas generation point, so that the exhaust gas is discharged more thoroughly;

[0014] 2. The air intake duct can be supported by setting a support rod, the rotating ball and the support rod can be connected by setting a connecting rod, multiple groups of support rods can be connected by setting a rotating ball and a rotating groove, and the rotation between multiple groups of support rods can be realized, so that the air intake duct can be bent, and the friction between the rotating ball and the inner wall of the rotating groove can be increased by setting an anti-slip pad, so that the air intake duct can be suspended at any position after being bent to any angle, which is convenient for adjusting the air intake duct, thereby preventing use and increasing the exhaust gas discharge effect, and the rotating ball slides in the rotating groove, and can be shortened as the air intake duct is shortened, without affecting the normal operation of the production line

[0015] 3. By setting up a cooling pipe, the cooling liquid can be transported into the cooling bin under the action of the circulating pump, so that the exhaust gas can be cooled to prevent the high-temperature exhaust gas from damaging the negative pressure pump. By setting up a treatment bin, the nozzle can be installed. By setting up the nozzle, the treatment liquid can be sprayed into the treatment bin to treat the exhaust gas. Under the action of the cooling pipe and the circulating pump, the exhaust gas can be cooled and the treatment liquid can be sprayed to treat the exhaust gas at the same time. The structure is simple and the use cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure diagram of the exhaust gas treatment device for the automobile parts casting production line of the utility model is shown;

[0017] Figure 2 The schematic diagram of the bottom three-dimensional structure of the exhaust gas treatment device for the automobile parts casting production line of the utility model is shown;

[0018] Figure 3 The schematic diagram of the cross-sectional three-dimensional structure of the exhaust gas treatment device for the automobile parts casting production line of the utility model is shown;

[0019] Figure 4 Shown for Figure 3 A schematic diagram of the enlarged structure in the middle circle;

[0020] Explanation of the reference numerals: 1. Intake duct; 2. Dust collecting bin; 3. Dust collecting assembly; 4. Adjustment assembly; 5. Support assembly; 6. Cooling assembly; 7. Filter assembly; 8. Processing assembly; 301. Negative pressure pump; 302. Connecting pipe; 401. Mounting bracket; 402. Adjustment motor; 403. Adjustment screw; 404. Connecting ring; 501. Support rod; 502. Connecting rod; 503. Rotating ball; 504. Rotating groove; 601. Cooling bin; 602. Cooling duct; 603. Circulation pump; 701. Bag dust collector; 702. Mounting bracket; 801. Processing bin; 802. Nozzle. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: an exhaust gas treatment device for an automobile parts casting production line, comprising an air intake pipe 1, a dust collecting bin 2, a dust collecting component 3, an adjusting component 4, a supporting component 5, a cooling component 6, a filtering component 7 and a processing component 8, one end of the air intake pipe 1 is connected to the dust collecting bin 2, the other end of the air intake pipe 1 is connected to the dust collecting component 3, the adjusting component 4 is arranged outside the air intake pipe 1, the adjusting component 4 is fixedly connected to the air intake pipe 1, the supporting component 5 is arranged on one side of the air intake pipe 1, the cooling component 6 is arranged on the dust collecting component 3, the filtering component 7 is arranged on the dust collecting component 3, and the processing component 8 is arranged on one side of the dust collecting component 3.

[0023] See also Figure 2-4In this embodiment, the dust collection component 3 includes a negative pressure pump 301 and a connecting pipe 302, one end of the connecting pipe 302 is connected to the air intake pipe 1, and the other end of the connecting pipe 302 is connected to the negative pressure pump 301. When in use, the negative pressure pump 301 can be used to generate negative pressure in the air intake pipe 1 by using the connecting pipe 302, so that the exhaust gas is sucked into the connecting pipe 302. The adjustment component 4 includes a mounting frame 401, an adjustment motor 402, an adjustment screw 403 and a connecting ring 404. The mounting frame 401 is arranged above the air intake pipe 1, the adjustment motor 402 is arranged on one side of the mounting frame 401, the adjustment screw 403 is arranged inside the mounting frame 401, and one end of the adjustment screw 403 is connected to the adjustment screw 403. The output end of the motor 402 is fixedly connected, and the connecting ring 404 is arranged on the outside of the air intake duct 1. The connecting ring 404 is threadedly connected to the adjusting screw 403. The connecting ring 404 is slidably connected to the mounting bracket 401. The air intake duct 1 is arranged to be a retractable structure. When in use, the adjusting motor 402 and the adjusting screw 403 can be installed and fixed by setting the mounting bracket 401. The adjusting motor 402 can drive the adjusting screw 403 to rotate. The connecting ring 404 is threadedly connected to the adjusting screw 403. At the same time, under the limit of the mounting bracket 401, when the adjusting screw 403 rotates, the connecting ring 404 is driven to move, thereby driving the air intake duct 1 to move, so that the air intake can be adjusted. The position of the exhaust gas is adjusted, the support assembly 5 includes a support rod 501, a connecting rod 502, a rotating ball 503 and a rotating groove 504, the support rod 501 is arranged in multiple groups, the support rod 501 is arranged on the outside of the air intake duct 1, the support rod 501 is fixedly connected to the side wall of the air intake duct 1, one end of the connecting rod 502 is fixedly connected to one end of the support rod 501, the other end of the connecting rod 502 is fixedly connected to the rotating ball 503, the rotating groove 504 is opened on the other end of the support rod 501, the inner side wall of the rotating groove 504 is provided with an anti-slip pad, the rotating ball 503 is arranged inside the rotating groove 504, when in use, the air intake duct 1 can be supported by arranging the support rod 501, and the rotating ball 503 is arranged inside the rotating groove 504. The connecting rod 502 is provided to connect the rotating ball 503 and the support rod 501. By providing the rotating ball 503 and the rotating groove 504, multiple groups of support rods 501 can be connected, and the rotation between the multiple groups of support rods 501 can be realized, so that the bending of the suction duct 1 can be realized, and by providing the anti-slip pad, the friction between the rotating ball 503 and the inner wall of the rotating groove 504 can be increased, so that the suction duct 1 can be suspended at any position after being bent to any angle, so that the suction duct 1 can be adjusted conveniently, thereby preventing use and increasing the exhaust gas discharge effect, and the rotating ball 503 slides in the rotating groove 504, and can be shortened as the suction duct 1 is shortened, without affecting the normal operation of the production line.

[0024] The cooling component 6 includes a cooling chamber 601, a cooling pipe 602 and a circulating pump 603. The cooling pipe 602 is provided in two groups. One end of the cooling pipe 602 is connected to the cooling chamber 601. The cooling chamber 601 is provided on the connecting pipe 302. The circulating pump 603 is provided on the cooling pipe 602. When in use, the cooling pipe 602 can be provided to transport cooling liquid into the cooling chamber 601 under the action of the circulating pump 603, so that the exhaust gas can be cooled. The filter assembly 7 includes a bag dust collector 701 and a mounting bracket 702. The bag dust collector 701 is arranged on the connecting pipe 302. The connecting pipe 302 is connected to the bag dust collector 701. The mounting bracket 702 is arranged below the bag dust collector 701. The mounting bracket 702 is fixedly connected to the bottom surface of the bag dust collector 701. When in use, the bag dust collector can be cooled by setting the mounting bracket 702. The dust collector 701 is installed. By setting the bag dust collector 701, impurities in the exhaust gas can be removed to prevent impurities from entering the negative pressure pump 301 and affecting the normal operation of the negative pressure pump 301. The processing component 8 includes a processing chamber 801 and a nozzle 802. The nozzle 802 is arranged on the inner top surface of the processing chamber 801. One end of one of the two groups of cooling pipes 602 is connected with the nozzle 802, and the other group of the two groups of cooling pipes 602 is connected with the bottom surface of the processing chamber 801. An exhaust pipe is arranged on the top surface of the processing chamber 801. When in use, the nozzle 802 can be installed by setting the processing chamber 801. By setting the nozzle 802, the processing liquid can be sprayed into the processing chamber 801 to treat the exhaust gas. Under the action of the cooling pipe 602 and the circulating pump 603, it is possible to cool the exhaust gas while spraying the processing liquid to treat the exhaust gas. The structure is simple and the use cost is lower.

[0025] When working, the negative pressure pump 301 uses the connecting pipe 302 to generate negative pressure in the air intake pipe 1, so that the exhaust gas is sucked into the connecting pipe 302;

[0026] The adjusting motor 402 and the adjusting screw 403 are installed and fixed by the mounting frame 401, and the adjusting motor 402 is used to drive the adjusting screw 403 to rotate, and the connecting ring 404 is threadedly connected to the adjusting screw 403. At the same time, under the limit of the mounting frame 401, when the adjusting screw 403 rotates, the connecting ring 404 is driven to move, thereby driving the suction pipe 1 to move, so as to adjust the position of the exhaust gas to be sucked. The adjusting motor 402 and the adjusting screw 403 are installed and fixed by the mounting frame 401, and the adjusting motor 402 is used to drive the adjusting screw 403 to rotate, and the connecting ring 404 is threadedly connected to the adjusting screw 403. At the same time, under the limit of the mounting frame 401, when the adjusting screw 403 rotates, the connecting ring 404 is driven to move, thereby driving the suction pipe 1 to move, thereby adjusting the position of the exhaust gas to be sucked;

[0027] The air intake duct 1 is supported by the support rod 501, the rotating ball 503 and the support rod 501 are connected by the connecting rod 502, and multiple groups of support rods 501 are connected by the rotating ball 503 and the rotating groove 504, and the rotation between the multiple groups of support rods 501 is realized, so as to realize the bending of the air intake duct 1, and the friction between the rotating ball 503 and the inner wall of the rotating groove 504 is increased by the anti-skid pad, so that the air intake duct 1 can be suspended at any position after being bent to any angle, so as to facilitate the adjustment of the air intake duct 1, thereby preventing use and increasing the exhaust gas discharge effect, and the rotating ball 503 slides in the rotating groove 504, and shortens as the air intake duct 1 shortens, without affecting the normal operation of the production line;

[0028] The cooling pipe 602 is used to transport cooling liquid into the cooling chamber 601 under the action of the circulating pump 603, so as to cool the exhaust gas and prevent the high-temperature exhaust gas from damaging the negative pressure pump 301. The nozzle 802 is installed on the processing chamber 801, and the nozzle 802 is used to spray the treatment liquid into the processing chamber 801 to treat the exhaust gas. Under the action of the cooling pipe 602 and the circulating pump 603, the exhaust gas is cooled and the treatment liquid is sprayed to treat the exhaust gas at the same time. The structure is simple and the use cost is lower.

[0029] The bag filter 701 is installed using the mounting bracket 702 , and the bag filter 701 is used to remove impurities in the exhaust gas to prevent the impurities from entering the negative pressure pump 301 and affecting the normal operation of the negative pressure pump 301 .

[0030] Through the above steps, the exhaust gas is sucked by the suction pipe 1 under the action of the dust collection component 3, the suction area of ​​the suction pipe 1 is increased by the dust collection bin 2, the position of the dust collection bin 2 is adjusted by the adjustment component 4, so as to adjust the position of the exhaust gas suction, the suction pipe 1 is supported by the support component 5, so that the suction pipe 1 changes its shape, so that the dust collection bin 2 is manually adjusted and stopped at any position, the exhaust gas is cooled by the cooling component 6, and the exhaust gas is filtered by the filtering component 7, so as to protect the dust collection component 3 and process the exhaust gas, and the exhaust gas is processed by the processing component 8.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An exhaust gas treatment device for an automobile parts casting production line, comprising an air intake duct (1); characterized in that: The invention also comprises a dust collecting bin (2), a dust collecting assembly (3), an adjusting assembly (4), a supporting assembly (5), a cooling assembly (6), a filtering assembly (7) and a processing assembly (8); one end of the air intake pipe (1) is connected to the dust collecting bin (2), the other end of the air intake pipe (1) is connected to the dust collecting assembly (3), the adjusting assembly (4) is arranged outside the air intake pipe (1), the adjusting assembly (4) is fixedly connected to the air intake pipe (1), the supporting assembly (5) is arranged on one side of the air intake pipe (1), the cooling assembly (6) is arranged on the dust collecting assembly (3), the filtering assembly (7) is arranged on the dust collecting assembly (3), and the processing assembly (8) is arranged on one side of the dust collecting assembly (3).

2. The exhaust gas treatment device for an automobile parts casting production line according to claim 1, characterized in that: The dust collection assembly (3) comprises a negative pressure pump (301) and a connecting pipe (302), one end of the connecting pipe (302) is connected to the air suction pipe (1), and the other end of the connecting pipe (302) is connected to the negative pressure pump (301).

3. The exhaust gas treatment device for an automobile parts casting production line according to claim 2, characterized in that: The adjustment component (4) comprises a mounting frame (401), an adjustment motor (402), an adjustment screw (403) and a connecting ring (404); the mounting frame (401) is arranged above the air intake duct (1); the adjustment motor (402) is arranged at one side of the mounting frame (401); the adjustment screw (403) is arranged inside the mounting frame (401); one end of the adjustment screw (403) is fixedly connected to the output end of the adjustment motor (402); the connecting ring (404) is arranged outside the air intake duct (1); the connecting ring (404) is threadedly connected to the adjustment screw (403); the connecting ring (404) is slidably connected to the mounting frame (401); and the air intake duct (1) is arranged as a telescopic structure.

4. The exhaust gas treatment device for an automobile parts casting production line according to claim 3 is characterized in that: The support assembly (5) comprises a support rod (501), a connecting rod (502), a rotating ball (503) and a rotating groove (504). The support rod (501) is arranged in a plurality of groups. The support rod (501) is arranged outside the air intake duct (1). The support rod (501) is fixedly connected to the side wall of the air intake duct (1). One end of the connecting rod (502) is fixedly connected to one end of the support rod (501). The other end of the connecting rod (502) is fixedly connected to the rotating ball (503). The rotating groove (504) is opened on the other end of the support rod (501). An anti-slip pad is arranged on the inner side wall of the rotating groove (504). The rotating ball (503) is arranged inside the rotating groove (504).

5. The exhaust gas treatment device for an automobile parts casting production line according to claim 4, characterized in that: The cooling component (6) comprises a cooling chamber (601), a cooling pipe (602) and a circulation pump (603). The cooling pipe (602) is provided in two groups. One end of the cooling pipe (602) is connected to the cooling chamber (601). The cooling chamber (601) is provided on the connecting pipe (302). The circulation pump (603) is provided on the cooling pipe (602).

6. The exhaust gas treatment device for an automobile parts casting production line according to claim 5, characterized in that: The filter assembly (7) comprises a bag dust collector (701) and a mounting bracket (702); the bag dust collector (701) is arranged on a connecting pipe (302); the connecting pipe (302) and the bag dust collector (701) are connected in a through-connection manner; the mounting bracket (702) is arranged below the bag dust collector (701); and the mounting bracket (702) is fixedly connected to the bottom surface of the bag dust collector (701).

7. The exhaust gas treatment device for an automobile parts casting production line according to claim 6, characterized in that: The processing assembly (8) includes a processing chamber (801) and a nozzle (802), wherein the nozzle (802) is arranged on the inner top surface of the processing chamber (801), one end of one of the two groups of cooling pipes (602) is connected to the nozzle (802), and the other of the two groups of cooling pipes (602) is connected to the bottom surface of the processing chamber (801), and an exhaust pipe is arranged on the top surface of the processing chamber (801).