Air purification device for logistics warehouse

Abstract

The invention relates to the technical field of dust removal, and discloses an air purification device for a logistics warehouse, which comprises a box body and a filter screen, the box body is provided with an air outlet, and the air purification device also comprises an introduction mechanism for introducing air into the box body; the filter screen is fixedly connected in the box body; a partition plate is vertically arranged on the box body, a through hole is vertically formed in the partition plate, a sliding block is slidably connected into the through hole, a rotating shaft is rotatably connected to the sliding block, and a plurality of first bristles penetrating through the filter screen are arranged on the rotating shaft; a rack is arranged on the side wall of the partition plate, a gear is coaxially connected to the rotating shaft, and the gear is meshed with the rack; and the driving mechanism is used for driving the sliding block to do vertical reciprocating motion. According to the scheme, the problem that a filter screen in an existing dust removal device is easily blocked is mainly solved.

Description

Technical Field

[0001] The present invention relates to the technical field of dust removal, and in particular to an air purification device for a logistics warehouse. Background Art

[0002] Logistics warehouses use self-built or leased warehouses and sites to store, keep, load, unload, and distribute goods, which causes a lot of dust to fly in the air inside the warehouse. Therefore, dust removal is required, that is, dust removal devices are needed. Traditional dust removal devices cannot be adjusted, so they cannot remove dust from the air at different heights in the warehouse.

[0003] To solve the above problems, a Chinese patent with publication number CN217312433U discloses a warehouse dust removal device for warehousing logistics, including a support base, movable wheels are fixedly installed on both sides of the bottom of the support base, a mounting cylinder is fixedly installed on the top of the support base, and a filter cylinder is provided on the top of the mounting cylinder; the patent is able to remove dust from the air at different heights in the warehouse by arranging a support base, a movable wheel, a mounting cylinder, a servo motor, a threaded rod, a threaded sleeve, a fixed rod, a positioning rod, a positioning plate, a filter cylinder, a blocking rod, a dust removal motor, a fixed ring, a filter screen, a sealing ring, a first limit block, a threaded groove, a receiving groove, a screw rod, a second limit block, a shock-absorbing spring, a buffer plate, a limit groove and a limit slider.

[0004] The above patent has the following problems during actual use: although dust can be filtered through the filter, the dust will adhere to the filter. If it is not cleaned for a long time, the dust will directly clog the filter, thereby affecting the filtering effect; if the filter is cleaned manually on a regular basis, it will increase the workload of the staff, thereby increasing the difficulty of the staff's work. Summary of the Invention

[0005] The present invention aims to provide an air purification device for a logistics warehouse to solve the problem that the filter screen in the existing dust removal device is easily clogged.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical solution: an air purification device for a logistics warehouse, comprising a box body and a filter screen, the box body being provided with an air outlet, and characterized in that: it also includes an introduction mechanism for introducing air into the box body; the filter screen is fixedly connected to the box body; a partition is vertically provided on the box body, a through hole is vertically provided on the partition, a slider is slidably connected in the through hole, a rotating shaft is rotatably connected to the slider, and a plurality of first bristles that pass through the filter screen are provided on the rotating shaft; a rack is provided on the side wall of the partition board, a gear is coaxially connected to the rotating shaft, and the gear is meshed with the rack; and it also includes a driving mechanism for driving the slider to move back and forth vertically.

[0007] The principles and advantages of this solution are:

[0008] 1. This solution introduces air into the box through an introduction mechanism; the air moves to the right and passes through the filter, which can filter dust in the air to achieve a dust removal effect, so that the filtered air is discharged through the air outlet, thereby realizing air purification; compared with the existing technology, this solution can drive the slider to move back and forth vertically through the driving mechanism, and the slider drives the first brush to move synchronously through the rotating shaft, so that the filter can be cleaned to avoid clogging of the filter, that is, to ensure the dust removal effect of the filter on dust in the air; and the filter can be cleaned by the first brush, without the need for manual regular cleaning, which reduces the workload of the staff and thus reduces the difficulty of the staff's work.

[0009] 2. During the vertical reciprocating motion of the slider in this solution, the slider will also drive the rotating shaft and the gear to move synchronously. The engagement of the gear and the rack drives the rotating shaft to rotate, and then drives the first brush to rotate, so that the first brush exerts a greater force on the filter, thereby enhancing the cleaning effect of the filter, that is, ensuring the dust removal effect of the filter on the dust in the air.

[0010] Furthermore, the driving mechanism includes a circular shaft and a driving part for driving the circular shaft to rotate. The circular shaft is rotatably connected to the box body, and a cam is coaxially connected to the circular shaft; a U-shaped frame is provided on the slider, and the cam is simultaneously against both sides of the U-shaped frame, and the cam can rotate in the U-shaped frame.

[0011] Through the above arrangement, the driving part drives the circular shaft to rotate, and the circular shaft drives the cam to rotate, so that the cam rotates in the U-shaped frame. Since the cam is simultaneously against both sides of the U-shaped frame, the rotation of the cam can drive the U-shaped frame to reciprocate vertically, and then drive the slider to reciprocate vertically.

[0012] Furthermore, baffles for shielding the through hole are provided on both sides of the slider, the width of the baffles being greater than the width of the through hole, and the baffles are in frictional contact with the side walls of the partition.

[0013] Through the above arrangement, during the vertical reciprocating motion of the slider, the slider drives the baffle to move synchronously, and the baffle always seals the through hole, thereby ensuring that the air in the box can all be purified to the right.

[0014] Furthermore, a water pump and a water tank are provided on the box body, and a water inlet pipe and a water outlet pipe are connected to the water pump. The water inlet pipe is connected to the water tank, and the water outlet pipe extends into the box body and is connected to the main pipe, which is fixed to the box body; the main pipe is located between the partition and the filter screen, and a number of branch pipes are equidistantly connected to the bottom of the main pipe, and a nozzle is connected to the end of the branch pipe away from the main pipe.

[0015] Through the above settings, the water pump is started to introduce the clean water in the water tank into the main line through the water inlet pipe and the water outlet pipe. The clean water forms water mist through the branch pipe and the nozzle and acts on the air in the box, thereby achieving dust reduction treatment.

[0016] Furthermore, the water outlet pipe is connected to an auxiliary pipeline, the auxiliary pipeline extends into the box body, and the free end of the auxiliary pipeline faces the top of the filter screen.

[0017] Through the above setting, the clean water in the outlet pipe will also enter the auxiliary pipeline, and then introduce the clean water into the top of the filter, allowing the clean water to flow from top to bottom in the filter. On the one hand, it can drive the dust on the filter to move downward and collect it to the bottom of the box. On the other hand, it can also clean the filter to prevent the filter from being blocked.

[0018] Furthermore, a fixed plate is vertically provided in the box body, the filter is located between the partition and the fixed plate, and air holes are provided on the fixed plate; a horizontal block is horizontally slidably connected to the fixed plate, a guide groove is vertically provided at the bottom of the horizontal block, a guide block is slidably connected in the guide groove, and a number of second bristles that abut against the filter are provided on the side wall of the guide block; an inclined groove is provided on the inner wall of the box body, the end of the inclined groove close to the filter is lower than the end of the inclined groove close to the fixed plate, a linkage block is slidably connected in the inclined groove, and the linkage block is fixedly connected to the guide block; it also includes a power mechanism that drives the horizontal block to reciprocate horizontally as the circular shaft rotates.

[0019] Through the above arrangement, during the rotation of the circular shaft, the transverse block is driven by the power mechanism to move back and forth laterally; when the transverse block moves to the left, the transverse block will also drive the guide block to move to the left, so that the second bristles are driven to move to the left to pass through the filter screen, and at the same time, the guide block moves downward along the path of the inclined groove through the linkage block, thereby driving the second bristles to move downward, that is, the movement of the second bristles is combined with the clean water coming out of the auxiliary pipeline to clean the filter screen, thereby avoiding clogging of the filter screen.

[0020] When the transverse block moves to the right, the transverse block drives the guide block to move to the right, so that the guide block moves upward along the path of the inclined groove through the linkage block, thereby driving the second brush bristles to reset for the next work; in addition, since the second brush bristles are against the left side wall of the filter, the second brush bristles will pass through the filter after moving to the left, and will be against the left side wall of the filter again after moving to the right. Therefore, the second brush bristles can clean the dust on the second brush bristles when entering and exiting the filter, thereby ensuring the cleaning effect of the second brush on the filter.

[0021] Furthermore, the circular shaft is rotatably connected to the fixed plate; the power mechanism includes a linkage shaft rotatably connected to the fixed plate, a side block fixed to the side wall of the transverse block, and a belt is sleeved between the linkage shaft and the circular shaft; a cylindrical block is coaxially connected to the linkage shaft, a curved groove is provided on the side wall of the cylindrical block, and the side block is slidably connected to the curved groove.

[0022] Through the above arrangement, during the rotation of the circular shaft, the circular shaft drives the linkage shaft to rotate through the belt, the linkage shaft drives the cylindrical block to move synchronously, and the cylindrical block drives the transverse block to reciprocate transversely through the curved groove and the side block.

[0023] Furthermore, a sponge block is provided at one end of the transverse block away from the cylindrical block, and the sponge block abuts against the filter screen.

[0024] Through the above arrangement, when the transverse block moves to the left, the transverse block drives the sponge block to move to the left, so that the sponge block is squeezed by the filter and deformed. Since the filter is stained with water, it is absorbed by the sponge block, so that the scattered water can be collected in a concentrated manner; the clean water generated by the sponge block being squeezed and deformed by the filter flows downward on the filter in a vertical direction. On the one hand, it can drive the dust on the filter to move downward and be collected into the collection trough, and on the other hand, it can also clean the filter to avoid clogging of the filter; when the transverse block moves to the left, the transverse block will also drive the guide block to move to the left, so that the second brush bristles are driven to move to the left to pass through the filter, and at the same time, the guide block moves downward along the path of the inclined groove through the linkage block, thereby driving the second brush bristles to move downward, that is, the movement of the second brush bristles is combined with the clean water coming out of the auxiliary pipeline and the clean water generated by the deformation of the sponge block to clean the filter to avoid clogging of the filter.

[0025] When the transverse block moves to the right, the transverse block drives the sponge block and the guide block to move to the right, so that the sponge block returns to its original shape.

[0026] Furthermore, a plurality of fan blades are equidistantly arranged on the rotating shaft in the circumferential direction, and the fan blades are located below the nozzle.

[0027] Through the above arrangement, during the rotation of the shaft, the shaft will also drive the fan blades to rotate. Since the fan blades are located below the nozzle, the fan blades can promote the movement of water mist, thereby expanding the effective area of ​​the water mist, that is, enhancing the dust reduction effect; in addition, during the movement of the fan blades, an airflow moving to the right can be formed. On the one hand, it can drive the air in the box to move to the right, thereby accelerating the air purification efficiency. On the other hand, it can also drive the water mist to move to the right, expand the effective area of ​​the water mist, thereby enhancing the dust reduction effect, and can also clean the filter by the water mist moving to the right to avoid filter clogging.

[0028] Furthermore, a collecting trough is provided at the bottom of the box body, and the collecting trough is arranged close to the filter screen; a dirt removal port is provided on the side wall of the box body, and the dirt removal port is communicated with the collecting trough.

[0029] Through the above arrangement, the mixture of dust and water after dust reduction treatment is collected in the collection tank and then discharged from the decontamination outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a front view of an embodiment of an air purification device for a logistics warehouse according to the present invention;

[0031] Figure 2 for Figure 1 Partial cross-sectional view in the main viewing direction;

[0032] Figure 3 for Figure 2Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0033] The following is further described in detail through specific implementation methods:

[0034] The figure marks in the drawings of the specification include: box body 10, filter 11, air outlet 12, air pump 13, air inlet pipe 14, air outlet pipe 15, partition 20, through hole 21, slider 22, rotating shaft 23, first brush 24, rack 25, gear 26, baffle 27, fan blade 28, circular shaft 30, cam 31, U-shaped frame 32, motor 33, water pump 40, water tank 41, water inlet pipe 42, water outlet pipe 43, main line 44, branch line 45, nozzle 46, auxiliary line 47, fixing plate 50, air hole 51, transverse block 52, guide groove 53, guide block 54, second brush 55, inclined groove 56, sponge block 57, linkage shaft 60, side block 61, belt 62, cylindrical block 63, curved groove 64, collecting tank 70, and decontamination outlet 71.

[0035] Example

[0036] Basically as attached Figure 1 , Attachment Figure 2 , Attachment Figure 3 Figure 1 shows an air purification device for a logistics warehouse, comprising a housing 10 and a filter 11. The housing 10 is provided with an air outlet 12, which is located on the right side wall of the housing 10 near the top of the housing 10. The device also includes an introduction mechanism for introducing air into the housing 10, comprising an air pump 13, an air inlet pipe 14, and an air outlet pipe 15. The air inlet pipe 14 is connected to the air pump 13, and the ends of the air outlet pipe 15 are connected to the air pump 13 and the interior of the housing 10, respectively.

[0037] The filter screen 11 is fixed in the box body 10; the box body 10 is vertically fixed with a partition 20, and a through hole 21 is vertically opened on the partition 20. A slider 22 is slidably connected in the through hole 21, and a rotating shaft 23 is rotatably connected to the slider 22. The right end of the rotating shaft 23 is fixed with a plurality of first bristles 24 that pass through the left side of the filter screen 11; a rack 25 is fixed to the right side wall of the partition 20, and a gear 26 is coaxially connected to the rotating shaft 23, and the gear 26 is meshed with the rack 25; it also includes a mechanism for driving the slider 22 to reciprocate vertically. The driving mechanism of the movement includes a circular shaft 30 and a driving part for driving the circular shaft 30 to rotate. The circular shaft 30 is rotatably connected to the box body 10, and a cam 31 is coaxially connected to the circular shaft 30; a U-shaped frame 32 is fixedly connected to the bottom of the slider 22, and the cam 31 is simultaneously abutted against both sides of the U-shaped frame 32, and the cam 31 can rotate within the U-shaped frame 32; in this embodiment, the driving part is a motor 33, the motor 33 is fixedly connected to the box body 10, and the output shaft of the motor 33 is coaxially connected to the circular shaft 30.

[0038] Baffles 27 are fixed on both sides of the slider 22 to block the through hole 21. The width of the baffles 27 is greater than the width of the through hole 21. The baffles 27 are in frictional contact with the left side wall of the partition 20, and the baffles 27 always seal the through hole 21 during the vertical movement of the slider 22.

[0039] A water pump 40 and a water tank 41 are fixedly connected to the housing 10. The water tank 41 contains a sufficient amount of clean water. A water inlet pipe 42 and a water outlet pipe 43 are connected to the water pump 40. The inlet pipe 42 is connected to the water tank 41, and the outlet pipe 43 extends into the housing 10. A main line 44 is connected to the housing 10. The main line 44 is located between the partition 20 and the filter 11. Several branch lines 45 are connected to the bottom of the main line 44 at equal intervals along its length. The ends of the branch lines 45, remote from the main line 44, are connected to nozzles 46. An auxiliary line 47 is connected to the outlet pipe 43. The auxiliary line 47 extends into the housing 10, with its free end facing the top of the filter 11.

[0040] A fixed plate 50 is vertically fixed in the box body 10, and the filter screen 11 is located between the partition plate 20 and the fixed plate 50. An air hole 51 is opened near the top of the fixed plate 50; a horizontal block 52 is horizontally slidably connected to the fixed plate 50, and a guide groove 53 is vertically opened at the bottom of the horizontal block 52. A guide block 54 is slidably connected in the guide groove 53, and a plurality of second bristles 55 are fixed to the left wall of the guide block 54, which are against the right side of the filter screen 11; an inclined groove 56 is opened on the inner wall of the box body 10, and the left end of the inclined groove 56 is lower than the right end of the inclined groove 56. A linkage block is slidably connected in the inclined groove 56, and the linkage block is fixed to the guide block 54; it also includes a circular shaft. 30 rotates to drive the transverse block 52 to reciprocate laterally; the circular shaft 30 is rotatably connected to the fixed plate 50; the power mechanism includes a linkage shaft 60 rotatably connected to the fixed plate 50, and a side block 61 fixed to the side wall of the transverse block 52, the linkage shaft 60 is rotatably connected to the box body 10, and a belt 62 is sleeved between the linkage shaft 60 and the circular shaft 30; a cylindrical block 63 is coaxially connected to the linkage shaft 60, and a curved groove 64 is opened on the side wall of the cylindrical block 63, and the side block 61 is slidably connected to the curved groove 64; during the rotation of the cylindrical block 63, the side block 61 slides relatively in the curved groove 64, and the side block 61 can drive the transverse block 52 to reciprocate laterally.

[0041] One end of the transverse block 52 away from the cylindrical block 63 is fixed with a sponge block 57, which abuts against the right side of the filter screen 11. The rotating shaft 23 is fixed equidistantly around the circumference and has a plurality of fan blades 28, which are located below the nozzle 46.

[0042] A collecting trough 70 is provided at the bottom of the box body 10 , and the collecting trough 70 is arranged close to the filter screen 11 . The bottom of the collecting trough 70 is inclined, and the left end of the bottom of the collecting trough 70 is higher than the right end of the bottom of the collecting trough 70 ; a decontamination port 71 is provided on the side wall of the box body 10 , and the decontamination port 71 is communicated with the collecting trough 70 .

[0043] The specific implementation process is as follows:

[0044] When in use, start the air pump 13, and the air pump 13 introduces air into the box body 10 through the air inlet pipe 14 and the air outlet pipe 15; the air moves to the right, passes through the filter 11, and the dust in the air can be filtered through the filter 11, so that the filtered air is discharged through the air hole 51 and the air outlet 12, thereby achieving air purification.

[0045] During the operation of the air pump 13, the water pump 40 is started to introduce the clean water in the water tank 41 into the main pipe 44 through the water inlet pipe 42 and the water outlet pipe 43. The clean water forms water mist through the branch pipe 45 and the nozzle 46 and acts on the air in the box body 10, thereby achieving dust reduction treatment, so that the mixture of dust and water falls into the collection tank 70; and the water mist is located on the left side of the filter 11, which can pre-treat the dust before the air passes through the filter 11, reduce the amount of dust in the air, and further reduce the amount of dust adhering to the filter 11, that is, avoid the filter 11 from being blocked.

[0046] The clean water in the outlet pipe 43 will also flow into the auxiliary pipe 47, and then introduce the clean water into the top of the filter 11, allowing the clean water to flow from top to bottom in the filter 11. On the one hand, it can drive the dust on the filter 11 to move downward and be collected in the collection tank 70. On the other hand, it can also clean the filter 11 to prevent the filter 11 from being blocked.

[0047] During the operation of the air pump 13, the motor 33 is started, and the output shaft of the motor 33 drives the circular shaft 30 to rotate, and the circular shaft 30 drives the cam 31 to rotate, so that the cam 31 rotates in the U-shaped frame 32. Since the cam 31 is simultaneously against both sides of the U-shaped frame 32, the rotation of the cam 31 can drive the U-shaped frame 32 to reciprocate vertically, and then drive the slider 22 to reciprocate vertically; during the vertical reciprocating motion of the slider 22, the slider 22 drives the baffle 27 to move synchronously, and the baffle 27 always seals the through hole 21, thereby ensuring that the air in the box 10 can be completely purified to the right.

[0048] During the vertical reciprocating motion of the slider 22, the slider 22 drives the first brush 24 to move synchronously through the rotating shaft 23, so that the filter 11 can be cleaned to prevent the filter 11 from being blocked; during the vertical reciprocating motion of the slider 22, the slider 22 also drives the rotating shaft 23 and the gear 26 to move synchronously, and the gear 26 engages with the rack 25 to drive the rotating shaft 23 to rotate, thereby driving the first brush 24 to rotate, thereby enhancing the cleaning effect of the filter 11; and, during the rotation of the rotating shaft 23, the rotating shaft 23 also drives the fan blades 28 to rotate. Since the fan blades 28 are located below the nozzle 46, the fan blades 28 can promote the water mist to move, thereby expanding the effective area of ​​the water mist, that is, enhancing the dust reduction effect; in addition, during the movement of the fan blades 28, an airflow moving to the right can be formed, which can, on the one hand, drive the air in the box 10 to move to the right, accelerate the air purification efficiency, and on the other hand, drive the water mist to move to the right, expand the effective area of ​​the water mist, thereby enhancing the dust reduction effect, and can also clean the filter 11 by the water mist moving to the right to prevent the filter 11 from being blocked.

[0049] During the rotation of the circular shaft 30, the circular shaft 30 drives the linkage shaft 60 to rotate through the belt 62, and the linkage shaft 60 drives the cylindrical block 63 to move synchronously. The cylindrical block 63 drives the transverse block 52 to reciprocate laterally through the curved groove 64 and the side block 61; when the transverse block 52 moves to the left, the transverse block 52 drives the sponge block 57 to move to the left, so that the sponge block 57 is squeezed and deformed by the filter screen 11. Since there is water on the filter screen 11, it is absorbed by the sponge block 57, so that the scattered water can be collected in a concentrated manner; the clean water generated by the sponge block 57 being squeezed and deformed by the filter screen 11 flows downward on the filter screen 11 in the vertical direction, The surface can drive the dust on the filter 11 to move downward and be collected in the collecting tank 70. On the other hand, it can also clean the filter 11 to prevent the filter 11 from being blocked. When the transverse block 52 moves to the left, the transverse block 52 will also drive the guide block 54 to move to the left, so as to drive the second brush 55 to move to the left through the filter 11. At the same time, the guide block 54 moves downward along the path of the inclined groove 56 through the linkage block, thereby driving the second brush 55 to move downward. That is, the movement of the second brush 55 is combined with the clean water coming out of the auxiliary pipeline 47 and the clean water generated by the deformation of the sponge block 57 to clean the filter 11 and prevent the filter 11 from being blocked.

[0050] When the transverse block 52 moves to the right, the transverse block 52 drives the sponge block 57 and the guide block 54 to move to the right, so that the sponge block 57 returns to its original state, and the guide block 54 moves upward along the path of the inclined groove 56 through the linkage block, thereby driving the second brush 55 to reset so that it can work next time; in addition, since the second brush 55 is against the left side wall of the filter 11, the second brush 55 will pass through the filter 11 after moving to the left, and will be against the left side wall of the filter 11 again after moving to the right. Therefore, the second brush 55 can clean the dust on the second brush 55 when entering and exiting the filter 11, thereby ensuring the cleaning effect of the second brush 55 on the filter 11.

[0051] The mixture of dust and water is collected in the collecting tank 70 and then discharged from the dirt removal port 71 .

[0052] The above is only an embodiment of the present invention, and the common knowledge such as the specific technical solutions and / or characteristics in the solution are not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the description can be used to interpret the content of the claims.

Claims

1. An air purification device for a logistics warehouse, comprising a box and a filter, wherein an air outlet is provided on the box, and the characteristics are: It also includes an introduction mechanism for introducing air into the box; the filter is fixedly connected to the box; a partition is vertically provided on the box, a through hole is vertically provided on the partition, a slider is slidably connected in the through hole, a rotating shaft is rotatably connected to the slider, and a plurality of first bristles passing through the filter are provided on the rotating shaft; a rack is provided on the side wall of the partition, a gear is coaxially connected to the rotating shaft, and the gear is meshed with the rack; and it also includes a driving mechanism for driving the slider to move vertically back and forth.

2. The air purification device for logistics warehouse according to claim 1 is characterized in that: The driving mechanism includes a circular shaft and a driving part for driving the circular shaft to rotate. The circular shaft is rotatably connected to the box body, and a cam is coaxially connected to the circular shaft. A U-shaped frame is provided on the slider, and the cam is simultaneously against both sides of the U-shaped frame, and the cam can rotate in the U-shaped frame.

3. The air purification device for logistics warehouse according to claim 2 is characterized in that: Baffles for shielding the through hole are arranged on both sides of the slider, and the width of the baffles is greater than the width of the through hole. The baffles are in frictional contact with the side wall of the partition.

4. The air purification device for logistics warehouse according to claim 3 is characterized in that: A water pump and a water tank are provided on the box body. A water inlet pipe and a water outlet pipe are connected to the water pump. The water inlet pipe is connected to the water tank. The water outlet pipe extends into the box body and is connected to a main pipe, which is fixed to the box body. The main pipe is located between the partition and the filter screen. Several branch pipes are equidistantly connected to the bottom of the main pipe. The end of the branch pipe away from the main pipe is connected to a nozzle.

5. The air purification device for logistics warehouse according to claim 4 is characterized in that: The water outlet pipe is connected with an auxiliary pipeline, the auxiliary pipeline extends into the box body, and the free end of the auxiliary pipeline faces the top of the filter screen.

6. The air purification device for logistics warehouse according to claim 5, characterized in that: A fixed plate is vertically provided in the box body, the filter is located between the partition plate and the fixed plate, and air holes are provided on the fixed plate; a transverse block is slidably connected to the fixed plate, a guide groove is vertically provided at the bottom of the transverse block, a guide block is slidably connected in the guide groove, and a plurality of second bristles that abut against the filter are provided on the side wall of the guide block; an inclined groove is provided on the inner wall of the box body, an end of the inclined groove close to the filter is lower than an end of the inclined groove close to the fixed plate, a linkage block is slidably connected in the inclined groove, and the linkage block is fixedly connected to the guide block; and it also includes a power mechanism that drives the transverse block to reciprocate horizontally as the circular shaft rotates.

7. The air purification device for logistics warehouse according to claim 6 is characterized in that: The circular shaft is rotatably connected to the fixed plate; the power mechanism includes a linkage shaft rotatably connected to the fixed plate, a side block fixed to the side wall of the transverse block, and a belt is sleeved between the linkage shaft and the circular shaft; a cylindrical block is coaxially connected to the linkage shaft, a curved groove is provided on the side wall of the cylindrical block, and the side block is slidably connected to the curved groove.

8. The air purification device for logistics warehouse according to claim 7 is characterized in that: A sponge block is arranged at one end of the transverse block away from the cylindrical block, and the sponge block abuts against the filter screen.

9. The air purification device for logistics warehouse according to claim 8, characterized in that: A plurality of fan blades are equidistantly arranged on the rotating shaft in a circumferential direction, and the fan blades are located below the nozzle.

10. The air purification device for logistics warehouse according to claim 9, characterized in that: A collecting groove is arranged at the bottom of the box body, and the collecting groove is arranged close to the filter screen; a dirt removal port is arranged on the side wall of the box body, and the dirt removal port is communicated with the collecting groove.

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