Smoke purification device

Abstract

The utility model discloses a smoke purification device, which belongs to the technical field of electric spark machining and comprises an installation device, an air inlet device and a purification and recovery device, the air inlet device used for air inlet and the purification and recovery device used for sucking and recovering and purifying smoke are installed on the installation device, the purification and recovery device comprises a recovery assembly used for recovering waste oil in smoke, a filtering and sucking assembly used for providing negative pressure environment suction and filtering and purifying, and a driving assembly used for providing driving force. The recycling assembly, the filtering and sucking assembly and the driving assembly are all mounted in the mounting device, the driving assembly is connected with the recycling assembly and the filtering and sucking assembly, and the recycling assembly comprises a mounting frame, a rotating shaft, a plurality of rotating plates, a filter cartridge, a collecting tank, an oil collecting box and a supporting plate. By means of the mode, oil molecules in smoke can be collected through the arrangement of the rotating plate and the filter cylinder so that follow-up secondary utilization can be facilitated, meanwhile, the filtering difficulty of the filtering and sucking assembly is reduced, and follow-up cleaning is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric spark processing technical field, concretely relates to a smoke purification device. BACKGROUND

[0002] Electric spark processing is a kind of metal processing technology using electric spark discharge principle, mainly used for processing conductive material, especially for the material with higher hardness, difficult to cut.Electric spark processing, a certain amount of smoke will be generated, this is mainly due to the melting and vaporization of workpiece and electrode material when high-temperature discharge, in order to reduce environmental pollution and harm to human body, usually use smoke purification equipment to collect and purify smoke.

[0003] For example, Chinese patent application CN218962096U discloses an electric spark processing smoke purification device, which comprises a smoke collection bin, a first end of the smoke collection bin is provided with an air inlet, a second end of the smoke collection bin is provided with an air outlet, the air inlet is connected with a negative pressure air guide assembly for guiding smoke-shaped mixed gas, a plurality of dust filter screens for filtering smoke-shaped mixed gas and an electric fan for forming negative pressure in the smoke collection bin are arranged in the smoke collection bin.

[0004] However, when the electric spark processing smoke purification device is used, oil molecules are contained in electric spark smoke, the oil molecules will be intercepted by the filter screen and stay on the filter screen, which causes the problem that the filter screen is difficult to clean, and is not conducive to waste oil recovery.

[0005] Therefore, the utility model designs a kind of smoke purification device to solve the above problems. UTILITY MODEL CONTENT

[0006] In view of the above shortcomings of the prior art, the utility model provides a smoke purification device.

[0007] To achieve the above purpose, the utility model is realized by the following technical schemes:

[0008] A kind of smoke purification device, comprising installation device, further comprising air inlet device and purification recovery device;

[0009] The installation device is provided with air inlet device for air inlet and purification recovery device for suction and recovery and purification of smoke;

[0010] The purification recovery device comprises recovery component for recovering waste oil in smoke, filter suction component for providing negative pressure environment suction and filtration purification and driving component for providing driving force, recovery component, filter suction component and driving component are all installed in the installation device, and driving component is connected with recovery component and filter suction component;

[0011] The recycling assembly comprises a mounting frame, a rotating shaft, a plurality of rotating plates, a filter cartridge, a collecting groove, an oil collecting box and a supporting plate, the mounting frame is located at the top of the inside of the mounting device, the bottom of the mounting frame is rotationally connected with the top of the rotating shaft, the bottom of the rotating shaft is connected with the driving assembly after penetrating through the collecting groove, the connecting part of the rotating shaft and the collecting groove is sealed and rotationally connected through a sealing ring, the top of the collecting groove is fixedly installed with the filter cartridge, the top of the filter cartridge is connected with the inner top wall of the mounting device, a plurality of rotating plates are fixedly installed on the outer side of the rotating shaft, the bottom of the collecting groove is slidingly connected with the oil collecting box, the bottom of the oil collecting box is limitingly and slidingly connected with the supporting plate, the oil collecting box is slidingly connected with the mounting device, and the supporting plate is installed at the bottom of the left side wall in the inside of the mounting device.

[0012] Furthermore, a through hole is formed in the inner bottom wall of the collecting groove, the inner diameter of the through hole on the collecting groove gradually decreases from top to bottom, the bottom opening of the through hole on the collecting groove is located on the left side of the center of the collecting groove, the oil collecting box is hollow inside, the upper opening of the oil collecting box is located below the bottom opening of the through hole on the collecting groove, and a through groove is formed in the left end of the oil collecting box.

[0013] Furthermore, the mounting device comprises a shell and a partition plate, the partition plate is fixedly installed in the inside of the shell and divides the inside of the shell into two cavities, a through hole for cooperating with the collecting groove is formed in the partition plate, the top of the outer side of the shell is connected with the air inlet device, the inside of the shell is fixedly connected with the mounting frame, the filter cartridge and the supporting plate, a through groove is formed in the left bottom of the shell for pulling out the oil collecting box, and a plurality of air outlets for cooperating with the filtering and sucking assembly are formed in the right end of the shell.

[0014] Furthermore, the air inlet device comprises an air inlet cover, a fixing ring, a clamping spring clamp, an air pipe, a connecting pipe and a clamping plate, the left end of the outer side of the air inlet cover is limitingly clamped with the fixing ring, the bottom side of the fixing ring is fixedly connected with the top of the clamping spring clamp, the left end of the air inlet cover is fixedly and communicatively connected with the right end of the air pipe, the left end of the air pipe is fixedly and communicatively connected with the top of the connecting pipe, the bottom of the connecting pipe is sealingly and rotationally connected with the top of the shell and communicates with the shell, and the clamping plate is fixedly installed at the right end of the top of the shell.

[0015] Furthermore, the opening of the right end of the air inlet cover is gradually enlarged from left to right, the left end of the outer side of the air inlet cover is provided with a ring table for cooperating with the clamping of the fixing ring, the air pipe is a flexible hose, and the clamping plate is an L-shaped plate for cooperating with the clamping of the clamping spring clamp.

[0016] Further, the filter suction assembly comprises a cover plate, multiple sets of limiting racks, multiple filter screens and a fan, the cover plate is sealingly and clippingly installed at the top of the shell, the top of the shell is provided with a through hole matched with the cover plate, the multiple sets of limiting racks are uniformly arranged on the top of the partition plate, each set of limiting racks is composed of two limiting racks symmetrically arranged front and back, the limiting racks are fixedly connected with the shell and the partition plate, a sliding groove matched with the clippings of the filter screen is formed in the inner side of the limiting rack, the multiple filter screens are clippingly arranged in the sliding grooves of the two limiting racks arranged front and back, the filter screen is sealingly and clippingly connected with the limiting rack, the shell of the fan is fixedly connected with the shell and the partition plate, and the fan blade shaft is connected with the driving assembly.

[0017] Further, the cover plate is located above the multiple filter screens, and the fan is located between the filter screens and the air outlet.

[0018] Further, the driving assembly comprises two mounting plates, a motor, an extension shaft, a gear, a connecting rod, a synchronous wheel component and a bevel gear set, the synchronous wheel component is composed of two synchronous wheels and a belt, the bevel gear set is composed of two intermeshing bevel gears, the two mounting plates are fixedly and left and right arranged installed at the bottom of the partition plate, the bottom of the two mounting plates is fixedly connected with the inner bottom wall of the shell, the motor is fixedly installed between the two mounting plates, the output end of the motor is rotatably penetrated through the left mounting plate and fixedly connected with the right end of the extension shaft, the left end of the extension shaft is fixedly connected with one bevel gear of the bevel gear set, the other bevel gear of the bevel gear set is fixedly connected with the bottom of the rotating shaft, the two gears are rotatably installed on the left end face of the left bottom mounting plate, the two gears are meshingly connected, the lower gear is fixedly installed outside the extension shaft, the connecting rod is rotatably installed between the two mounting plates, the two ends of the connecting rod are rotatably penetrated through the two mounting plates and fixedly connected with the upper gear and the lower synchronous wheel of the synchronous wheel component respectively, the lower synchronous wheel of the synchronous wheel component is rotatably connected with the right mounting plate, the upper synchronous wheel of the synchronous wheel component is rotatably connected with the shell of the fan, the left end of the upper synchronous wheel of the synchronous wheel component is fixedly connected with the fan blade shaft, and the partition plate is provided with a through hole matched with the belt of the synchronous wheel component.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] 1、The setting of the rotating plate and the filter cartridge can collect oil molecules in smoke for subsequent secondary utilization, and reduce the filtering difficulty of the filter suction assembly for subsequent cleaning.

[0021] 2、The setting of the clamping spring clip and the air pipe can extend the distance of the air inlet cover to absorb the electric spark smoke of some far workstations, and the air inlet cover can be retracted above the shell and fixed for storage during transfer.

[0022] 3. The utility model discloses a synchronous wheel component and beech gear group's setting makes motor synchronous belt drive rotating shaft and fan operation, save resources, through the setting of multiple filter screen, improved the purification effect of smoke, and the clamping of filter screen and spacing frame is convenient for the replacement of filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction. Obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0024] Figure 1 It is a perspective view of a smoke purification device of the utility model;

[0025] Figure 2 It is a front view of a smoke purification device of the utility model;

[0026] Figure 3 It is a right view of a smoke purification device of the utility model;

[0027] Figure 4 It is a perspective view along the A-A section of Figure 3 ;

[0028] Figure 5 It is a partial perspective view along the A-A section of Figure 3 ;

[0029] Figure 6 It is a perspective view of the purification recovery device of the utility model;

[0030] Figure 7 It is a partial perspective view of the purification recovery device of the utility model.

[0031] The reference numerals in the drawing respectively represent:

[0032] 1. mounting device; 11. housing; 12. air outlet; 13. partition; 2. air inlet device; 21. air inlet cover; 22. fixing ring; 23. clamping spring clip; 24. air pipe; 25. connecting pipe; 26. clamping plate; 3. purification and recovery device; 31. recovery assembly; 311. mounting frame; 312. rotating shaft; 313. rotating plate; 314. filter cartridge; 315. collection groove; 316. oil collection box; 317. support plate; 32. filter suction assembly; 321. cover plate; 322. limiting frame; 323. filter screen; 324. fan; 33. driving assembly; 331. mounting plate; 332. motor; 333. extension shaft; 334. gear; 335. connecting rod; 336. synchronous wheel component; 337. bevel gear set. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] In the following description, "left", "right", "front", "back", "upper", "lower" are oriented with the perspective of the front view.

[0035] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-7 A smoke purification device, comprising a mounting device, an air inlet device 2 and a purification and recovery device 3, the mounting device 1 is provided with the air inlet device 2 for air inlet and the purification and recovery device 3 for suction and recovery and purification of smoke.

[0036] The purification and recovery device 3 comprises a recovery assembly 31 for recovering waste oil in smoke, a filter suction assembly 32 for providing negative pressure environment suction and filtering purification, and a driving assembly 33 for providing driving force, the recovery assembly 31, the filter suction assembly 32 and the driving assembly 33 are all installed inside the mounting device 1, and the driving assembly 33 is connected with the recovery assembly 31 and the filter suction assembly 32.

[0037] The recovery assembly 31 comprises a mounting frame 311, a rotating shaft 312, a plurality of rotating plates 313, a filter cartridge 314, a collection groove 315, an oil collection box 316 and a supporting plate 317. The mounting frame 311 is located at the top of the mounting device 1 inside, and the bottom of the mounting frame 311 is rotationally connected with the top of the rotating shaft 312. The bottom of the rotating shaft 312 is connected with the driving assembly 33 after penetrating through the collection groove 315. The connection between the rotating shaft 312 and the collection groove 315 is sealed and rotationally connected by a sealing ring. The top of the collection groove 315 is fixedly installed with the filter cartridge 314, and the top of the filter cartridge 314 is connected with the inner top wall of the mounting device 1. The outer side of the rotating shaft 312 is fixedly installed with a plurality of rotating plates 313, and the filter cartridge 314 is sleeved outside the plurality of rotating plates 313. The bottom of the collection groove 315 is slidingly connected with the oil collection box 316, and the bottom of the oil collection box 316 is limitingly and slidingly connected with the supporting plate 317. The oil collection box 316 is slidingly connected with the mounting device 1, and the supporting plate 317 is installed at the bottom of the left side wall inside the mounting device 1.

[0038] When the electric spark smoke purification device is normally used, the air inlet device 2 is close to the electric spark station, the driving assembly 33 is started, the driving assembly 33 drives the filtering and suction assembly 32 to operate, so that the inside of the mounting device 1 is in a negative pressure state. At the same time, the driving assembly 33 drives the rotating shaft 312 to rotate, the rotating shaft 312 drives the rotating plate 313 to rotate, the negative pressure in the inside of the mounting device 1 absorbs the smoke generated by the electric spark station into the inside of the filter cartridge 314 through the air inlet device 2, the rotating plate 313 drives the smoke to escape in all directions, the oil molecules in the smoke are blocked by the filter cartridge 314 and drop down to the collection groove 315 along the filter cartridge 314, and the waste oil drops to the oil collection box 316 along the collection groove 315 for collection. The waste oil is taken out by pulling out the oil collection box 316 to the left, and the small molecules in the smoke pass through the filter cartridge 314 and are filtered and purified again under the action of the filtering and suction assembly 32 and then are discharged. The setting of the rotating plate 313 and the filter cartridge 314 can collect the oil molecules in the smoke for subsequent secondary utilization, reduce the filtering difficulty of the filtering and suction assembly 32 and facilitate subsequent cleaning.

[0039] In some embodiments, a through hole is formed in the inner bottom wall of the collection groove 315, the inner diameter of the through hole on the collection groove 315 gradually decreases from top to bottom, the opening of the through hole on the collection groove 315 is located on the left side of the center of the collection groove 315, the inside of the oil collection box 316 is hollow, the opening at the top of the oil collection box 316 is located below the opening at the bottom of the through hole at the bottom of the collection groove 315, and a through groove facilitating pulling out is formed in the left outer side of the oil collection box 316.

[0040] The mounting device 1 comprises a shell 11 and a partition plate 13 fixedly installed inside the shell 11 and separating the inside of the shell 11 into two cavities, the partition plate 13 being provided with a through hole matched with the collecting groove 315, the top of the outer side of the shell 11 being connected with the air inlet device 2, the inside of the shell 11 being fixedly connected with the mounting frame 311, the filter cartridge 314 and the supporting plate 317, the bottom of the left side of the shell 11 being provided with a through groove for pulling out the oil collecting box 316, and the right end of the shell 11 being provided with a plurality of air outlets 12 matched with the filtering and sucking assembly 32.

[0041] The air inlet device 2 comprises an air inlet cover 21, a fixing ring 22, a clamping spring clamp 23, an air pipe 24, a connecting pipe 25 and a clamping plate 26, the left end of the outer side of the air inlet cover 21 is limitingly connected with the fixing ring 22, the bottom of the fixing ring 22 is fixedly connected with the top of the clamping spring clamp 23, the left end of the air inlet cover 21 is fixedly connected in communication with the right end of the air pipe 24, the left end of the air pipe 24 is fixedly connected in communication with the top of the connecting pipe 25, the bottom of the connecting pipe 25 is sealingly rotatably connected with the top of the shell 11 in communication, and the clamping plate 26 is fixedly installed at the right end of the top of the shell 11.

[0042] The right end of the air inlet cover 21 is gradually enlarged from left to right, the outer side of the left end of the air inlet cover 21 is provided with a ring table matched with the clamping of the fixing ring 22, the air pipe 24 is a flexible hose, and the clamping plate 26 is an L-shaped plate matched with the clamping of the clamping spring clamp 23.

[0043] When the electric spark smoke purifying device is used normally, the air pipe 24 is pulled out and extended to the electric spark station, the air inlet cover 21 is fixed beside the electric spark station by using the clamping spring clamp 23, the air pipe 24 is driven by rotating the connecting pipe 25 to face left, the distance of the air pipe 24 relative to the shell 11 is lengthened to avoid the obstruction of the shell 11 and other equipment, the air pipe 24 is compressed when it is retracted, the clamping spring clamp 23 is clamped on the clamping plate 26 for fixation, when the smoke is absorbed, the smoke enters the air pipe 24 through the air inlet cover 21 and enters the filter cartridge 314 through the connecting pipe 25. The clamping spring clamp 23 and the air pipe 24 can lengthen the distance of the air inlet cover 21 to absorb the electric spark smoke of some far stations, and the air inlet cover 21 can be retracted above the shell 11 and fixed for storage when it is transferred.

[0044] In some embodiments, the filter suction assembly 32 comprises a cover plate 321, a plurality of limiting racks 322, a plurality of filter screens 323 and a fan 324. The cover plate 321 is sealingly and clippingly mounted on the top of the shell 11, and the top of the shell 11 is provided with a through hole matched with the cover plate 321. The plurality of limiting racks 322 are evenly arranged on the top of the partition plate 13. Each limiting rack 322 is composed of two limiting racks 322 symmetrically arranged front and back, and is fixedly connected with the shell 11 and the partition plate 13. A sliding groove matched with the clamping of the filter screen 323 is formed on the inner side of the limiting rack 322. The plurality of filter screens 323 are clamped in the sliding grooves between the two limiting racks 322 arranged front and back. The filter screen 323 is sealingly and clippingly connected with the limiting rack 322. The shell of the fan 324 is fixedly connected with the shell 11 and the partition plate 13. The fan blade shaft of the fan 324 is connected with the driving assembly 33. The cover plate 321 is located above the plurality of filter screens 323, and the fan 324 is located between the filter screen 323 and the air outlet 12.

[0045] The driving assembly 33 comprises two mounting plates 331, a motor 332, an extension shaft 333, a gear 334, a connecting rod 335, a synchronous wheel component 336 and a bevel gear set 337. The synchronous wheel component 336 is composed of two synchronous wheels and a belt. The bevel gear set 337 is composed of two intermeshing bevel gears. The two mounting plates 331 are fixedly arranged on the bottom of the partition plate 13. The bottom of each mounting plate 331 is fixedly connected with the inner bottom wall of the shell 11. The motor 332 is fixedly installed between the two mounting plates 331. The output end of the motor 332 is rotatably connected with the right end of the extension shaft 333 after penetrating through the left mounting plate 331. The left end of the extension shaft 333 is fixedly connected with one bevel gear of the bevel gear set 337. The other bevel gear of the bevel gear set 337 is fixedly connected with the bottom of the rotating shaft 312. The two gears 334 are rotatably installed on the left end face of the left mounting plate 331. The two gears 334 are meshingly connected. The lower gear 334 is fixedly installed on the outer side of the extension shaft 333. The connecting rod 335 is rotatably installed between the two mounting plates 331. The two ends of the connecting rod 335 are rotatably penetrated through the two mounting plates 331 and are fixedly connected with the upper gear 334 and the lower synchronous wheel of the synchronous wheel component 336 respectively. The lower synchronous wheel of the synchronous wheel component 336 is rotatably connected with the right mounting plate 331. The upper synchronous wheel of the synchronous wheel component 336 is rotatably connected with the shell of the fan 324. The left end of the upper synchronous wheel of the synchronous wheel component 336 is fixedly connected with the fan blade shaft of the fan 324. The partition plate 13 is provided with a through hole matched with the belt of the synchronous wheel component 336.

[0046] When the electric spark smoke purifying device is in normal use, the motor 332 is started, the motor 332 drives the extension shaft 333 to rotate, the extension shaft 333 drives one bevel gear of the bevel gear set 337 to rotate, the other bevel gear of the bevel gear set 337 is synchronously driven to rotate and drives the rotating shaft 312 to rotate, meanwhile, the extension shaft 333 drives the lower gear 334 to rotate, the lower gear 334 drives the upper gear 334 to synchronously rotate, the upper gear 334 drives the connecting rod 335 to rotate, the connecting rod 335 drives the lower synchronous wheel of the synchronous wheel component 336 to rotate, the upper synchronous wheel of the synchronous wheel component 336 is driven to rotate through the belt and simultaneously drives the fan blade shaft of the fan 324 to rotate, the fan 324 runs to discharge the air inside the shell 11 through the air outlet 12 to form a negative pressure, and small molecules in the smoke are discharged from the air outlet 12 after being filtered by the multiple filter screens 323 under the driving of the fan 324; when the filter screen 323 needs to be replaced, the cover plate 321 is opened, then the filter screen 323 is pulled out upward from the limiting frame 322 to be replaced.

[0047] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A smoke cleaning device comprising a mounting device (1), characterized in that: Also include air inlet device (2) and purification recovery device (3), the mounting device (1) is mounted for air inlet air inlet device (2) and for suction and recovery of smoke purification purification recovery device (3); The purification recovery device (3) comprises a recovery assembly (31) for recovering waste oil in the smoke, a filtering and suction assembly (32) for providing a negative pressure environment suction and filtering, and a driving assembly (33) for providing driving force, the recovery assembly (31), the filtering and suction assembly (32) and the driving assembly (33) are all installed inside the mounting device (1), and the driving assembly (33) is connected with the recovery assembly (31) and the filtering and suction assembly (32); The recovery assembly (31) comprises a mounting frame (311), a rotating shaft (312), a plurality of rotating plates (313), a filter cartridge (314), a collecting groove (315), an oil collecting box (316) and a supporting plate (317), the mounting frame (311) is located at the top inside the mounting device (1), the bottom of the mounting frame (311) is rotatably connected with the top of the rotating shaft (312), the bottom of the rotating shaft (312) penetrates through the collecting groove (315) and is connected with the driving assembly (33), the connecting part of the rotating shaft (312) and the collecting groove (315) is sealingly and rotatably connected through a sealing ring, the top of the collecting groove (315) is fixedly installed with the filter cartridge (314), the top of the filter cartridge (314) is connected with the inner top wall of the mounting device (1), a plurality of rotating plates (313) are fixedly installed on the outer side of the rotating shaft (312), the bottom of the collecting groove (315) is slidingly connected with the oil collecting box (316), the bottom of the oil collecting box (316) is limitingly and slidingly connected with the supporting plate (317), the oil collecting box (316) is slidingly connected with the mounting device (1), and the supporting plate (317) is installed at the bottom of the left side wall inside the mounting device (1).

2. The smoke purifying device according to claim 1, characterized in that The inside bottom wall of the collecting groove (315) is provided with a through hole, the inner diameter of the through hole on the collecting groove (315) gradually decreases from top to bottom, the bottom opening of the through hole on the collecting groove (315) is located on the left side of the center of the collecting groove (315), the oil collecting box (316) is hollow, the top opening of the oil collecting box (316) is located below the bottom opening of the through hole on the collecting groove (315), and a through groove is formed on the left end outer side of the oil collecting box (316) for easy pulling out.

3. The smoke purifying device according to claim 1, characterized in that, The mounting device (1) comprises an outer shell (11) and a partition plate (13), the partition plate (13) is fixedly installed inside the outer shell (11) and divides the inside of the outer shell (11) into two cavities, a through hole is formed in the partition plate (13) for cooperating with the collecting groove (315), the top of the outer shell (11) is connected with the air inlet device (2), the inside of the outer shell (11) is fixedly connected with the mounting frame (311), the filter cartridge (314) and the supporting plate (317), a through groove is formed in the left bottom of the outer shell (11) for pulling out the oil collecting box (316), and a plurality of air outlets (12) are formed in the right end of the outer shell (11) for cooperating with the filtering and suction assembly (32).

4. The smoke purifying device according to claim 3, characterized in that The air inlet device (2) comprises an air inlet cover (21), a fixing ring (22), a clamping spring clamp (23), an air pipe (24), a connecting pipe (25) and a clamping plate (26), the outer side of the left end of the air inlet cover (21) is limitingly connected with the fixing ring (22), the bottom side of the fixing ring (22) is fixedly connected with the top of the clamping spring clamp (23), the left end of the air inlet cover (21) is fixedly connected in communication with the right end of the air pipe (24), the left end of the air pipe (24) is fixedly connected in communication with the top of the connecting pipe (25), the bottom of the connecting pipe (25) is sealingly rotatably connected with the top of the shell (11) and is in communication, and the clamping plate (26) is fixedly installed at the right end of the top of the shell (11).

5. The smoke purifying device according to claim 4, characterized in that The right end of the air inlet cover (21) is gradually enlarged from left to right, the outer side of the left end of the air inlet cover (21) is provided with a ring table for cooperating with the fixing ring (22) for clamping, the air pipe (24) is a flexible hose, and the clamping plate (26) is an L-shaped plate for cooperating with the clamping spring clamp (23) for clamping.

6. The smoke purifying device according to claim 3, wherein The filter suction assembly (32) comprises a cover plate (321), a plurality of limiting racks (322), a plurality of filter screens (323) and a fan (324), the cover plate (321) is sealingly clamped and installed on the top of the shell (11), the top of the shell (11) is provided with a through hole matched with the cover plate (321), the plurality of limiting racks (322) are evenly arranged on the top of the partition plate (13), each limiting rack (322) is composed of two limiting racks (322) symmetrically arranged front and back, the limiting racks (322) are fixedly connected with the shell (11) and the partition plate (13), a sliding groove matched with the filter screen (323) is formed in the inner side of the limiting rack (322), the plurality of filter screens (323) are clamped in the sliding grooves between the two limiting racks (322) arranged front and back, the filter screen (323) is sealingly clamped with the limiting rack (322), the shell of the fan (324) is fixedly connected with the shell (11) and the partition plate (13), and the fan blade shaft of the fan (324) is connected with the driving assembly (33).

7. The smoke purifying device according to claim 6, characterized in that The cover plate (321) is located above the plurality of filter screens (323), and the fan (324) is located between the filter screen (323) and the air outlet (12).

8. The smoke purifying device according to claim 7, characterized in that The driving assembly (33) comprises two mounting plates (331), a motor (332), an extension shaft (333), gears (334), a connecting rod (335), a synchronous wheel component (336) and a bevel gear set (337), the synchronous wheel component (336) is composed of two synchronous wheels and a belt, the bevel gear set (337) is composed of two meshing bevel gears, the two mounting plates (331) are fixedly arranged on the bottom of the partition plate (13) in parallel, the bottom of each mounting plate (331) is fixedly connected with the inner bottom wall of the shell (11), the motor (332) is fixedly arranged between the two mounting plates (331), the output end of the motor (332) is rotatably arranged through the left mounting plate (331) and is fixedly connected with the right end of the extension shaft (333), the left end of the extension shaft (333) is fixedly connected with a bevel gear of the bevel gear set (337), the top of the other bevel gear of the bevel gear set (337) is fixedly connected with the bottom of the rotating shaft (312), the two gears (334) are rotatably arranged on the left end face of the left mounting plate (331), the two gears (334) are meshedly connected, the lower gear (334) is fixedly arranged outside the extension shaft (333), the connecting rod (335) is rotatably arranged between the two mounting plates (331), the two ends of the connecting rod (335) are rotatably arranged through the two mounting plates (331) and are fixedly connected with the upper gear (334) and the lower synchronous wheel of the synchronous wheel component (336) respectively, the lower synchronous wheel of the synchronous wheel component (336) is rotatably connected with the right mounting plate (331), the upper synchronous wheel of the synchronous wheel component (336) is rotatably connected with the shell of the fan (324), the left end of the upper synchronous wheel of the synchronous wheel component (336) is fixedly connected with the blade shaft of the fan (324), and the partition plate (13) is provided with a through hole through which the belt of the synchronous wheel component (336) passes.

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