Waste gas treatment mechanism for automobile coating processing

Abstract

The invention relates to the technical field of waste gas treatment, and discloses a waste gas treatment mechanism for automobile coating processing, the waste gas treatment mechanism comprises a purification box, a mounting groove is vertically formed in the middle of the purification box in a penetrating manner, a rectangular mounting frame is mounted in the mounting groove, and an activated carbon layer is mounted in the middle of the rectangular mounting frame; mounting holes I are formed in the two ends of the upper parts of the two sides of the mounting groove, adjustable fixing pins are mounted in the four mounting holes I, fixing holes matched and aligned with the fixing pins are formed in the two ends of the upper parts of the two sides of the rectangular mounting frame, and the four fixing pins are movably inserted into the four fixing holes respectively; the waste gas treatment mechanism is provided with a convenient activated carbon dismounting and mounting structure, and the activated carbon dismounting and mounting structure enables dismounting and mounting of activated carbon to be synchronously carried out, so that the use performance of the waste gas treatment mechanism is effectively improved.

Description

Technical Field

[0001] This invention belongs to the field of waste gas treatment technology, specifically a waste gas treatment mechanism for automotive coating processing. Background Technology

[0002] Automotive coatings are specialized coating systems used for vehicle body painting. They typically consist of multiple layers, including electrophoretic paint, intermediate coat, color coat, and clear coat, providing excellent decorative properties, weather resistance, and corrosion protection. During the painting process, especially in spraying and baking, a large amount of volatile organic compounds (VOCs) are released, constituting a major source of exhaust gas pollution. To address this issue and meet environmental regulations, end-of-pipe treatment technologies are widely adopted, among which activated carbon adsorption equipment is one of the most widely used methods. This equipment utilizes the large specific surface area and strong adsorption capacity of activated carbon to efficiently capture organic solvents in exhaust gases, thereby achieving VOCs emission standards. It is a key environmental protection technology component in the automotive painting industry.

[0003] The existing paint processing waste gas purification device has a cumbersome and inconvenient activated carbon replacement process. When the activated carbon is saturated, it needs to be disassembled, replaced with new activated carbon, and reinstalled. This process is not only time-consuming and labor-intensive, but may also increase production line downtime and affect production efficiency. Therefore, improvements are needed to address the above problems. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution: a waste gas treatment mechanism for automotive coating processing, comprising a purification box, wherein a vertically penetrating installation groove is provided in the middle of the purification box, a rectangular installation frame is installed inside the installation groove, an activated carbon layer is installed in the middle of the rectangular installation frame, and installation holes are provided at both ends of the upper part of both sides of the installation groove, and adjustable fixing pins are installed inside the four installation holes. Fixing holes that match and align with the fixing pins are provided at both ends of the upper part of both sides of the rectangular installation frame, and the four fixing pins are respectively movably inserted into the four fixing holes. Square ring grooves are provided in the middle of both sides of the installation groove, and adjustable square compression frames are installed inside the two square ring grooves. A first spring is installed at an equal distance between one side of the square compression frame and the inside of the square ring groove, and rubber clamping sealing rings are fixedly installed on the opposite sides of the two square compression frames. The two rubber clamping sealing rings abut against and clamp the two sides of the rectangular installation frame to seal.

[0005] Preferably, each of the four mounting holes has an inverted T-shaped groove inside, the top of the inverted T-shaped groove is connected to the purification box, and an inverted T-shaped slider fixedly connected to the fixing pin is slidably installed inside each of the four inverted T-shaped grooves. A second spring is fixedly installed between one end of the inverted T-shaped slider and the inside of the inverted T-shaped groove. The top of each of the four inverted T-shaped sliders extends to the top of the purification box and is fixedly installed with a fixing block. A right-angled trapezoidal pressure block is fixedly installed on the side of the fixing block near the mounting groove.

[0006] Preferably, both sides of the bottom of the mounting groove are provided with extrusion slopes that match the hypotenuse of the right-angled trapezoidal pressure block, and both ends of both sides of the mounting groove are provided with vertical grooves that extend to the bottom of the mounting groove, and the tops of the four vertical grooves are respectively connected to four fixing holes.

[0007] Preferably, the purification box has a central groove in the middle of the four sides at both ends of the mounting groove. The four central grooves at any end of the mounting groove are arranged parallel to the four sides of the square ring groove. Two connecting holes are opened between any central groove and the square ring groove. Connecting blocks located inside the central groove and the square ring groove are movably inserted into the connecting holes. The ends of the connecting blocks located inside the square ring groove are fixedly connected to the square extrusion frame.

[0008] Preferably, a rotating shaft is rotatably mounted in the middle of any of the central slots, and two eccentric wheels aligned with the connecting block are fixedly mounted on the surface of the rotating shaft. At the point where the eccentric wheels connect with one end of the connecting block, a transmission cavity is opened between the opposite ends of any two adjacent central slots. Both ends of the rotating shaft extend into the interior of two adjacent transmission cavities and a bevel gear is fixedly mounted thereon. The two bevel gears located inside the same transmission cavity are meshed and connected.

[0009] Preferably, a worm gear is fixedly installed in the middle of one of the rotating shafts at any end of the mounting groove, and the two worm gears are symmetrically arranged. A worm is rotatably installed inside one of the central grooves at any end of the mounting groove. The worm and the worm gear are located inside the same central groove and are meshed with each other. One end of each worm extends to the outside of the purification box and is fixedly installed with a gear two. An adjusting rod is rotatably installed on one side of the purification box. Both ends of the adjusting rod are fixedly installed with bevel gear three. The two bevel gear three are respectively meshed with the two gear two. A rotating wheel is fixedly installed in the middle of the adjusting rod.

[0010] Preferably, a transmission transverse cavity is provided on the opposite side of the two central grooves located at the lower ends of the mounting groove. The length of the transmission transverse cavity is greater than the length of the central groove. An adjustment plate that connects with the eccentric wheel is installed inside the two transmission transverse cavities. A spring layer is fixedly installed on the side of the adjustment plate away from the eccentric wheel and the side of the transmission transverse cavity.

[0011] Preferably, both ends of the bottom of the two transmission transverse cavities are provided with transmission grooves, the top of each transmission groove is equipped with a slide plate that is fixedly connected to the bottom end of the adjustment plate, the bottom of the slide plate is fixedly equipped with a tooth block, and the interior of each of the four transmission grooves is rotatably equipped with gears that mesh with the tooth block.

[0012] Preferably, each of the four transmission slots has a second mounting hole extending into the mounting slot at its lower part. The second mounting hole is aligned with the vertical groove. A limiting pin extending into the transmission slot is movably installed inside the second mounting hole. A tooth block second that meshes with the gear is fixedly installed on the surface of the limiting pin inside the transmission slot.

[0013] Compared with the prior art, the beneficial effects of the present invention are: (1) This waste gas treatment mechanism has a convenient activated carbon disassembly and assembly structure. The activated carbon disassembly and assembly structure allows the disassembly and installation of activated carbon to be carried out simultaneously, thereby effectively improving the performance of the waste gas treatment mechanism. At the same time, the activated carbon disassembly and assembly structure has a reliable sealing mechanism, thereby effectively ensuring that there will be no leakage in the waste gas purification treatment and improving the safety of waste gas treatment. (2) When it is necessary to replace the rectangular mounting frame and activated carbon layer inside the mounting slot, first adjust the two rubber clamping sealing rings so that they no longer press against the rectangular mounting frame and move into the two square ring grooves; then place the new rectangular mounting frame and the new activated carbon layer directly above the purification box and the mounting slot, so that the extrusion slope at the bottom of the rectangular mounting frame contacts the hypotenuse of the right-angled trapezoidal pressure block, and then press down on the new rectangular mounting frame so that the new rectangular mounting frame is pressed and moved by the extrusion slope against the right-angled trapezoidal pressure block. The movement of the right-angled trapezoidal pressure block will drive the fixed block to move, and the movement of the fixed block will drive the inverted T-shaped slider to move in. As the inverted T-shaped slider moves, it compresses the second spring and moves the fixing pins, eventually causing the four fixing pins to retract from the four fixing holes. Then, the new rectangular mounting frame continues to move down, pressing down on the rectangular mounting frame inside the mounting slot and moving it out from the bottom of the mounting slot. The new rectangular mounting frame moves down into the mounting slot, and when the four fixing pins are aligned with the four fixing holes of the new rectangular mounting frame, the elastic restoring force of the second spring causes the four fixing pins to re-insert into the four fixing holes of the new rectangular mounting frame, thus allowing the new rectangular mounting frame to be stably installed inside the mounting slot. (3) By rotating the rotating wheel, the adjusting rod is rotated. The rotation of the adjusting rod will drive the two bevel gears three to rotate. The rotation of the two bevel gears three will drive the two gears two to rotate. The rotation of the two gears two will drive the two worms to rotate. The rotation of the two worms will drive the two worm wheels to rotate. The rotation of the two worm wheels will drive the rotating shaft connected to them to rotate and adjust. When one of the rotating shafts at any end of the mounting slot rotates, four meshing bevel gears will cause the four rotating shafts to rotate synchronously. The rotation of the four rotating shafts at any end of the mounting slot will drive the eccentric wheel on it to rotate. The rotation of the eccentric wheel will squeeze and move the connecting block. The movement of the connecting block will push the square squeezing frame to move. The movement of the square squeezing frame will stretch the first spring and push the rubber clamping sealing ring to move towards the rectangular mounting frame. Finally, the two rubber clamping sealing rings will abut and clamp the ends of the rectangular mounting frame, allowing the exhaust gas to be effectively purified by passing through the activated carbon layer. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0015] In the attached diagram: Figure 1 This is a front view schematic diagram of the exhaust gas treatment mechanism for automotive coating processing according to the present invention. Figure 2 This is a schematic cross-sectional view of the exhaust gas treatment mechanism for automotive coating processing according to the present invention. Figure 3 For the present invention Figure 2 A schematic diagram of a partial structure; Figure 4 For the present invention Figure 3 A schematic diagram of the cross-sectional structure; Figure 5 For the present invention Figure 2 A partial sectional view of the structure; Figure 6 For the present invention Figure 5 A schematic diagram of the cross-sectional structure; In the diagram: 1. Purification box; 2. Mounting slot; 3. Rectangular mounting frame; 4. Activated carbon layer; 5. Mounting hole one; 6. Fixing pin; 7. Fixing hole; 8. Square groove; 9. Square compression frame; 10. First spring; 11. Rubber clamping sealing ring; 12. Inverted T-shaped slide groove; 13. Inverted T-shaped slider; 14. Second spring; 15. Fixing block; 16. Right-angled trapezoidal pressure block; 17. Compression slope; 18. Vertical groove; 19. Central groove; 2 0. Connecting hole; 21. Connecting block; 22. Rotating shaft; 23. Eccentric wheel; 24. Transmission cavity; 25. Bevel gear one; 26. Worm gear; 27. Worm; 28. Gear two; 29. ​​Adjusting rod; 30. Bevel gear three; 31. Rotating wheel; 32. Transmission transverse cavity; 33. Adjusting plate; 34. Spring layer; 35. Transmission groove; 36. Slide plate one; 37. Gear block one; 38. Gear; 39. Mounting hole two; 40. Limiting pin; 41. Gear block two. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0017] Example 1, by Figures 1 to 6 The present invention includes a purification box 1, with an air inlet pipe and an exhaust pipe connected to both ends of the purification box 1. A vertically penetrating mounting groove 2 is provided in the middle of the purification box 1. A rectangular mounting frame 3 is installed inside the mounting groove 2. An activated carbon layer 4 is installed in the middle of the rectangular mounting frame 3. Mounting holes 5 are provided at both ends of the upper part of both sides of the mounting groove 2. Adjustable fixing pins 6 are installed inside each of the four mounting holes 5. Fixing holes 7 are provided at both ends of the upper part of both sides of the rectangular mounting frame 3, which are aligned with the fixing pins 6. The activated carbon layer 4 is located between the four fixing holes 7. The fixing holes 7 are right-angled trapezoidal structures. The four fixing pins 6 are respectively movably inserted into the four fixing holes 7. Square grooves 8 are provided in the middle of both sides of the mounting groove 2. The two square grooves 8 are symmetrically arranged. An adjustable square extrusion frame 9 is installed inside the two square grooves 8. A first spring 10 is installed at an equal distance between one side of the square extrusion frame 9 and the inside of the square groove 8. Rubber clamping sealing rings 11 are fixedly installed on the opposite sides of the two square extrusion frames 9. The two rubber clamping sealing rings 11 are respectively abutted and clamped against the two sides of the rectangular mounting frame 3 to seal. The middle of the activated carbon layer 4 is on the same horizontal line as the center of the two square extrusion frames 9, and the activated carbon layer 4 is located inside the projection of the square extrusion frame 9.

[0018] The exhaust gas treatment system features a convenient activated carbon disassembly and assembly structure. This structure allows for simultaneous disassembly and installation of the activated carbon, effectively improving the performance of the system. Furthermore, the structure has a reliable sealing mechanism, ensuring no leakage during exhaust gas purification and enhancing safety. The system is also simple in design, easy to disassemble, and provides stable and reliable installation, meeting the performance requirements for exhaust gas treatment in automotive coating processing.

[0019] In Example 2, based on Example 1, each of the four mounting holes 5 has an inverted T-shaped groove 12 inside. The top of the inverted T-shaped groove 12 is connected to the purification box 1. Each of the four inverted T-shaped grooves 12 has an inverted T-shaped slider 13 slidably installed inside, which is fixedly connected to the fixing pin 6. A second spring 14 is fixedly installed between one end of the inverted T-shaped slider 13 and the inside of the inverted T-shaped groove 12. The top of each of the four inverted T-shaped sliders 13 extends to the top of the purification box 1 and is fixedly installed with a fixing block 15. A right-angled trapezoidal pressure block 16 is fixedly installed on the side of the fixing block 15 near the mounting groove 2. Both sides of the bottom of the mounting groove 2 have extrusion slopes 17 that match the hypotenuse of the right-angled trapezoidal pressure block 16. Both ends of both sides of the mounting groove 2 have vertical grooves 18 that extend to the bottom of the mounting groove 2. The tops of the four vertical grooves 18 are respectively connected to the four fixing holes 7, thereby effectively limiting the rectangular mounting frame 3 and enabling the rectangular mounting frame 3 to be stably installed inside the mounting groove 2.

[0020] Specifically, when it is necessary to replace the rectangular mounting frame 3 and the activated carbon layer 4 inside the mounting groove 2, first adjust the two rubber clamping sealing rings 11 so that they no longer resist and clamp the rectangular mounting frame 3 and move into the two square ring grooves 8. Then, the new rectangular mounting frame 3 and the new activated carbon layer 4 are placed directly above the purification box 1 and the mounting slot 2, so that the extrusion slope 17 at the bottom of the rectangular mounting frame 3 contacts the hypotenuse of the right-angled trapezoidal pressure block 16. Then, the new rectangular mounting frame 3 is pressed down, so that the new rectangular mounting frame 3 extrudes and moves the right-angled trapezoidal pressure block 16 through the extrusion slope 17. The movement of the right-angled trapezoidal pressure block 16 will drive the fixed block 15 to move. The movement of the fixed block 15 will drive the inverted T-shaped slider 13 to move. The movement of the inverted T-shaped slider 13 will compress the second spring 14 and drive the fixing pin 6 to move, so that the four fixing pins 6 are finally removed from the inside of the four fixing holes 7. Then, the new rectangular mounting frame 3 continues to move downward, pressing down on the rectangular mounting frame 3 inside the mounting groove 2 and moving it out from the bottom of the mounting groove 2. The new rectangular mounting frame 3 will move down into the mounting groove 2. When the four fixing pins 6 are aligned with the four fixing holes 7 of the new rectangular mounting frame 3, the elastic restoring force of the second spring 14 will cause the four fixing pins 6 to be inserted back into the four fixing holes 7 on the new rectangular mounting frame 3, so that the new rectangular mounting frame 3 can be stably installed inside the mounting groove 2.

[0021] In Example 3, based on Example 2, the purification box 1 has a central groove 19 in the middle of the four sides at both ends of the mounting groove 2. The four central grooves 19 at any end of the mounting groove 2 are arranged parallel to the four sides of the square ring groove 8. Two connecting holes 20 are opened between any central groove 19 and the square ring groove 8. Connecting blocks 21 located inside the central groove 19 and the square ring groove 8 are movably inserted into the interior of each connecting hole 20. The ends of the connecting blocks 21 located inside the square ring groove 8 are fixedly connected to the square extrusion frame 9. A rotating shaft 22 is rotatably installed in the middle of any central groove 19. Two eccentric wheels 23 aligned with the connecting block 21 are fixedly mounted on the surface of the shaft 22. At the point where the eccentric wheel 23 connects with one end of the connecting block 21, a transmission cavity 24 is provided between the opposite ends of any two adjacent center grooves 19. Both ends of the rotating shaft 22 extend into the interior of two adjacent transmission cavities 24 and are fixedly mounted with bevel gears 25. The two bevel gears 25 located in the same transmission cavity 24 mesh with each other, thereby enabling the square extrusion frame 9 and the rubber clamping seal ring 11 to be adjusted and moved, so that the rubber clamping seal ring 11 abuts and clamps the end of the rectangular mounting frame 3 for sealing.

[0022] Specifically, when one of the rotating shafts 22 at any end of the mounting groove 2 rotates, the four rotating shafts 22 will rotate synchronously through the four meshing bevel gears 25. The rotation of the four rotating shafts 22 at any end of the mounting groove 2 will drive the eccentric wheel 23 on them to rotate. The rotation of the eccentric wheel 23 will squeeze and move the connecting block 21. The movement of the connecting block 21 will push the square squeezing frame 9 to move. The movement of the square squeezing frame 9 will stretch the first spring 10 and push the rubber clamping sealing ring 11 to move towards the rectangular mounting frame 3. Finally, the two rubber clamping sealing rings 11 will abut and clamp the ends of the rectangular mounting frame 3, so that the exhaust gas can be effectively purified by passing through the activated carbon layer 4.

[0023] A worm gear 26 is fixedly installed in the middle of one of the rotating shafts 22 at either end of the mounting groove 2. The two worm gears 26 are symmetrically arranged. A worm 27 is rotatably installed inside one of the central grooves 19 at either end of the mounting groove 2. The worm 27 and the worm gear 26 are located inside the same central groove 19 and are meshed with each other. One end of each of the two worm gears 27 extends to the outside of the purification box 1 and is fixedly installed with a gear 28. An adjusting rod 29 is rotatably installed on one side of the purification box 1. Both ends of the adjusting rod 29 are fixedly installed with bevel gears 30. The two bevel gears 30 are meshed with the two gears 28 respectively. A rotating wheel 31 is fixedly installed in the middle of the adjusting rod 29. This allows for the simultaneous adjustment of the two square compression frames 9 and the two rubber clamping sealing rings 11, so that the two rubber clamping sealing rings 11 can effectively abut and clamp the two ends of the rectangular mounting frame 3.

[0024] Specifically, rotating the rotating wheel 31 causes the adjusting rod 29 to rotate. The rotation of the adjusting rod 29 drives the two bevel gears 30 to rotate. The rotation of the two bevel gears 30 drives the two gears 28 to rotate. The rotation of the two gears 28 drives the two worm gears 27 to rotate. The rotation of the two worm gears 27 drives the two worm wheels 26 to rotate. The rotation of the two worm wheels 26 drives the rotating shaft 22 connected to it to rotate and adjust.

[0025] In Example 4, based on Example 3, a transmission transverse cavity 32 is provided on the opposite side of the two central grooves 19 located at the lower ends of the mounting groove 2. The length of the transmission transverse cavity 32 is greater than the length of the central groove 19. An adjusting plate 33 is installed inside each of the two transmission transverse cavities 32, which is connected to the eccentric wheel 23. A spring layer 34 is fixedly installed on both the side of the adjusting plate 33 away from the eccentric wheel 23 and the side of the transmission transverse cavity 32. A transmission groove 35 is provided at both ends of the bottom of each of the two transmission transverse cavities 32. A sliding plate 36 is fixedly connected to the bottom end of the adjusting plate 33 on the top of each transmission groove 35. A toothed block 37 is fixedly installed at the bottom, and a gear 38 that meshes with the toothed block 37 is rotatably installed inside each of the four transmission slots 35; each of the four transmission slots 35 has a second mounting hole 39 extending into the mounting slot 2 at the bottom, the second mounting hole 39 is aligned with the vertical groove 18, and a limiting pin 40 extending into the transmission slot 35 is movably installed inside each second mounting hole 39. A toothed block 41 that meshes with the gear 38 is fixedly installed on the surface of the limiting pin 40 inside the transmission slot 35, thereby effectively limiting the disassembled rectangular mounting frame 3 and preventing it from falling and being damaged.

[0026] Specifically, when it is necessary to disassemble the old rectangular mounting frame 3 and replace it with a new rectangular mounting frame 3, first rotate the rotating wheel 31 to rotate the adjusting rod 29. The rotation of the adjusting rod 29 will drive the two bevel gears 30 to rotate. The rotation of the two bevel gears 30 will drive the two gears 28 to rotate. The rotation of the two gears 28 will drive the two worm gears 27 to rotate. The rotation of the two worm gears 27 will drive the two worm wheels 26 to rotate. The rotation of the two worm wheels 26 will drive the rotating shaft 22 connected to it to rotate and adjust. When one of the rotating shafts 22 at any end of the mounting groove 2 rotates, the four rotating shafts 22 will rotate synchronously through the four meshing bevel gears 25. The rotation of the four rotating shafts 22 at any end of the mounting groove 2 will drive the eccentric wheel 23 on them to rotate. The rotation of the eccentric wheel 23 will no longer squeeze the connecting block 21. Then, the elastic restoring force of the first spring 10 will cause the square compression frame 9 to drive the rubber clamping sealing ring 11 to move back into the square ring groove 8 and no longer abut against the end of the rectangular mounting frame 3 to clamp and seal. When the eccentric wheel 23 rotates, it will press and move the adjusting plate 33, thereby compressing the spring layer 34. The movement of the adjusting plate 33 will drive the sliding plate 36 and the tooth block 37 to move. The movement of the tooth block 37 will drive the gear 38 to rotate, thereby driving the tooth block 41 to move. The movement of the tooth block 41 will drive the limiting pin 40 to move, thereby inserting the limiting pin 40 into the mounting groove 2 and moving it into the vertical groove 18. Then, the new rectangular mounting frame 3 is placed directly above the purification box 1 and the mounting slot 2, so that the pressing slope 17 at the bottom of the rectangular mounting frame 3 contacts the hypotenuse of the right-angled trapezoidal pressure block 16. Then, the new rectangular mounting frame 3 is pressed down, so that the new rectangular mounting frame 3 presses and moves the right-angled trapezoidal pressure block 16 through the pressing slope 17. The movement of the right-angled trapezoidal pressure block 16 will drive the fixed block 15 to move. The movement of the fixed block 15 will drive the inverted T-shaped slider 13 to move. The movement of the inverted T-shaped slider 13 will compress the second spring 14 and drive the fixing pin 6 to move, so that the four fixing pins 6 are finally removed from the inside of the four fixing holes 7. Then, the new rectangular mounting frame 3 continues to move down, so that the new rectangular mounting frame 3 squeezes the old rectangular mounting frame 3 inside the mounting groove 2 and moves down. The old rectangular mounting frame 3 moves down through the four vertical grooves 18 and slides down on the four limit pins 40. Finally, when the ends of the four limit pins 40 are inside the four fixing holes 7, neither the new rectangular mounting frame 3 nor the old rectangular mounting frame 3 can move down anymore. At this time, the fixing pin 6 is not aligned with the fixing hole 7 on the new rectangular mounting frame 3. Next, the worker holds the bottom of the old rectangular mounting frame 3 with one hand and rotates the wheel 31 in the opposite direction, causing the two rubber clamping sealing rings 11 to move toward the new rectangular mounting frame 3. At this time, the four limit pins 40 will also move back and withdraw from the inside of the four vertical grooves 18 and move into the inside of the second mounting hole 39. At this time, the old rectangular mounting frame 3 can be disassembled. At the same time, the two rubber clamping sealing rings 11 will connect with the two ends of the new rectangular mounting frame 3. Then, press the new rectangular mounting frame 3 so that the four fixing holes 7 on the new rectangular mounting frame 3 are aligned with the four fixing pins 6. Then, the elastic restoring force of the second spring 14 will cause the four fixing pins 6 to be inserted back into the four fixing holes 7 on the new rectangular mounting frame 3. At the same time, the wheel 31 continues to rotate, so that the two rubber clamping sealing rings 11 firmly and tightly contact and seal the two ends of the new rectangular mounting frame 3.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waste gas treatment mechanism for automotive coating processing, comprising a purification chamber (1), characterized in that: The purification box (1) has a vertically penetrating mounting groove (2) in the middle. A rectangular mounting frame (3) is installed inside the mounting groove (2). An activated carbon layer (4) is installed in the middle of the rectangular mounting frame (3). Mounting holes (5) are opened at both ends of the upper part of both sides of the mounting groove (2). Adjustable fixing pins (6) are installed inside the four mounting holes (5). Fixing holes (7) that match and align with the fixing pins (6) are opened at both ends of the upper part of both sides of the rectangular mounting frame (3). The four fixing pins (6) are movably inserted into the four fixing holes (7). Inside the hole (7), square ring grooves (8) are provided in the middle of both sides of the mounting groove (2). Adjustable square extrusion frames (9) are installed inside the two square ring grooves (8). A first spring (10) is installed at an equal distance between one side of the square extrusion frame (9) and the inside of the square ring groove (8). Rubber clamping sealing rings (11) are fixedly installed on the opposite sides of the two square extrusion frames (9). The two rubber clamping sealing rings (11) are respectively pressed against the two sides of the rectangular mounting frame (3) to seal.

2. The exhaust gas treatment mechanism for automotive coating processing according to claim 1, characterized in that: The interior of each of the four mounting holes (5) is provided with an inverted T-shaped groove (12). The top of the inverted T-shaped groove (12) is connected to the purification box (1). The interior of each of the four inverted T-shaped grooves (12) is slidably installed with an inverted T-shaped slider (13) that is fixedly connected to the fixing pin (6). A second spring (14) is fixedly installed between one end of the inverted T-shaped slider (13) and the interior of the inverted T-shaped groove (12). The top of each of the four inverted T-shaped sliders (13) extends to the top of the purification box (1) and is fixedly installed with a fixing block (15). A right-angled trapezoidal pressure block (16) is fixedly installed on the side of the fixing block (15) near the mounting groove (2).

3. The exhaust gas treatment mechanism for automotive coating processing according to claim 2, characterized in that: Both sides of the bottom of the mounting groove (2) are provided with extrusion slopes (17) that match the hypotenuse of the right-angled trapezoidal pressure block (16). Both ends of both sides of the mounting groove (2) are provided with vertical grooves (18). The vertical grooves (18) extend to the bottom of the mounting groove (2), and the tops of the four vertical grooves (18) are respectively connected to the four fixing holes (7).

4. The exhaust gas treatment mechanism for automotive coating processing according to claim 3, characterized in that: The purification box (1) is provided with a central groove (19) in the middle of the four sides of the two ends of the mounting groove (2). The four central grooves (19) at any end of the mounting groove (2) are parallel to the four sides of the square ring groove (8). Two connecting holes (20) are provided between any central groove (19) and the square ring groove (8). Connecting blocks (21) located inside the central groove (19) and the square ring groove (8) are movably inserted into the connecting holes (20). The ends of the connecting blocks (21) located inside the square ring groove (8) are fixedly connected to the square extrusion frame (9).

5. The exhaust gas treatment mechanism for automotive coating processing according to claim 4, characterized in that: A rotating shaft (22) is rotatably mounted in the middle of any of the central slots (19). Two eccentric wheels (23) aligned with the connecting block (21) are fixedly mounted on the surface of the rotating shaft (22). At the junction of the eccentric wheel (23) and one end of the connecting block (21), a transmission cavity (24) is opened between the opposite ends of any two adjacent central slots (19). Both ends of the rotating shaft (22) extend into the interior of two adjacent transmission cavities (24) and a bevel gear (25) is fixedly mounted thereon. The two bevel gears (25) located in the same transmission cavity (24) are meshed and connected.

6. The exhaust gas treatment mechanism for automotive coating processing according to claim 5, characterized in that: A worm gear (26) is fixedly installed in the middle of one of the rotating shafts (22) at any end of the mounting groove (2). The two worm gears (26) are symmetrically arranged. A worm (27) is rotatably installed inside one of the central grooves (19) at any end of the mounting groove (2). The worm (27) and the worm gear (26) are located inside the same central groove (19), and the worm (27) and the worm gear (26) are meshed. One end of each of the two worms (27) extends to the outside of the purification box (1) and is fixedly installed with a gear two (28). An adjusting rod (29) is rotatably installed on one side of the purification box (1). Both ends of the adjusting rod (29) are fixedly installed with bevel gear three (30). The two bevel gear three (30) are meshed with the two gear two (28) respectively. A rotating wheel (31) is fixedly installed in the middle of the adjusting rod (29).

7. The exhaust gas treatment mechanism for automotive coating processing according to claim 6, characterized in that: A transmission transverse cavity (32) is provided on the opposite side of the two central grooves (19) located at the lower ends of the mounting groove (2). The length of the transmission transverse cavity (32) is greater than the length of the central groove (19). An adjustment plate (33) is installed inside the two transmission transverse cavities (32) and is connected to the eccentric wheel (23). A spring layer (34) is fixedly installed on the side of the adjustment plate (33) away from the eccentric wheel (23) and the side of the transmission transverse cavity (32).

8. The exhaust gas treatment mechanism for automotive coating processing according to claim 7, characterized in that: Both ends of the bottom of the two transmission transverse cavities (32) are provided with transmission grooves (35). The top of each transmission groove (35) is equipped with a sliding plate (36) that is fixedly connected to the bottom end of the adjusting plate (33). The bottom of the sliding plate (36) is fixedly equipped with a tooth block (37). The inside of each of the four transmission grooves (35) is rotatably equipped with a gear (38) that meshes with the tooth block (37).

9. The exhaust gas treatment mechanism for automotive coating processing according to claim 8, characterized in that: The lower part of each of the four transmission grooves (35) is provided with a second mounting hole (39) extending into the mounting groove (2). The second mounting hole (39) is aligned with the vertical groove (18). The second mounting hole (39) is movably installed with a limiting pin (40) extending into the transmission groove (35). The surface of the limiting pin (40) located inside the transmission groove (35) is fixedly installed with a second tooth block (41) that meshes with the gear (38).

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