CN214813076U - Button cell processing cleaning equipment - Google Patents

Button cell processing cleaning equipment Download PDF

Info

Publication number
CN214813076U
CN214813076U CN202120862017.3U CN202120862017U CN214813076U CN 214813076 U CN214813076 U CN 214813076U CN 202120862017 U CN202120862017 U CN 202120862017U CN 214813076 U CN214813076 U CN 214813076U
Authority
CN
China
Prior art keywords
box
pair
drying
drying box
button cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120862017.3U
Other languages
Chinese (zh)
Inventor
刘洋
张正权
邵凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Liba Battery Co ltd
Original Assignee
Changzhou Liba Battery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Liba Battery Co ltd filed Critical Changzhou Liba Battery Co ltd
Priority to CN202120862017.3U priority Critical patent/CN214813076U/en
Application granted granted Critical
Publication of CN214813076U publication Critical patent/CN214813076U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The button cell processing and cleaning equipment comprises a sealing box and a drying box, wherein the bottom of the sealing box is fixedly provided with a recovery box, a feed inlet and a discharge outlet are arranged on the two side walls of the seal box, conveyor belts are arranged in the feed inlet and the discharge outlet, a pair of electric slide rails are fixedly arranged on the inner walls of the two sides of the sealing box, a supporting plate is arranged on the pair of electric slide rails, the lower end of the supporting plate is provided with a spraying device, the top of the drying box is provided with a circulating drying device, the utility model relates to the technical field of button cell processing, the device has compact structure, the circulating drying device is arranged above the drying box, so that hot air in the drying box and the sealing cover circularly flows, the drying effect is accelerated, the temperature is not too high, the battery can be prevented from being damaged by high temperature, the recycling bin is arranged at the bottom of the sealing box, so that the pollution is avoided through centralized treatment, and convenience is brought to the use of people.

Description

Button cell processing cleaning equipment
Technical Field
The utility model relates to a button cell processing technology field specifically is button cell processing cleaning equipment.
Background
Button cell also is called button cell, refers to the battery of overall dimension like a little button, and the diameter is great in general, and thickness is thinner (for the column battery like batteries such as 5 AA on the market), and button cell comes the battery to divide from the appearance, and the battery classification that corresponds equally has column battery, square battery, special-shaped battery, and the utility model patent that the publication is CN208407780U discloses a washing subassembly on cleaning equipment, relates to button cell and makes technical field. The cleaning assembly on the cleaning device comprises: the device comprises a groove-shaped mounting table, a chain transmission device, a cover plate, a first brush device, a second brush device, a first sponge wiping device, a second sponge wiping device and a drying device; the chain transmission device is arranged in the groove-shaped mounting table and is used for transmitting the button battery; the cover plate is arranged on the top of the groove-shaped mounting table; the first brush device and the second brush device are symmetrically arranged on the groove-shaped mounting table and are respectively positioned at one side of the chain transmission device; the first sponge wiping device and the second sponge wiping device are symmetrically arranged in the groove-shaped mounting table and are respectively positioned on one side of the chain transmission device; drying device installs the tip of flute profile mount table, however in actual life, this utility model uses the brush to clean, inside can attaching to of brush in the use and pile up a large amount of impurity, clean efficiency can descend, it also can influence the course of working to frequently change the brush simultaneously, and the hair phenomenon often can appear falling hair, need the manual work to clear up, it is hard to waste time and energy, various raw and other materials impurity can be attached to on the surface in the battery course of working, these impurity can be attached to the hair stiffening that makes the brush on the brush, the brush can lead to the fact certain influence to battery surface coating this moment, simultaneously this utility model discloses a drying device is not the inner loop formula, many or few have the dust in the factory building air, after the battery dries, water stain etc. can be left on the battery surface usually, it is inconvenient to use the vestige.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a button cell processing cleaning equipment has solved the problem that current device brush problem is many and the battery surface leaves the trace.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the button cell processing and cleaning equipment comprises a sealing box and a drying box, wherein a recycling box is fixedly arranged at the bottom of the sealing box, a filter plate is obliquely arranged in the recycling box, cleaning openings communicated with each other are formed in the side wall of the recycling box and the side wall of the sealing box, a pair of sealing doors are arranged in the cleaning openings, a feed opening and a discharge opening are formed in the two side walls of the sealing box, conveyor belts are arranged in the feed opening and the discharge opening, a fixing frame is arranged between the conveyor belts and the outer wall of the sealing box, a pair of electric slide rails are fixedly arranged on the inner wall of the two sides of the sealing box, a support plate is arranged on the pair of electric slide rails, a spraying device is arranged at the lower end of the support plate, the drying box is positioned at one side of the discharge opening, a circulating drying device is arranged at the top of the drying box, a pair of openings are formed in the two sides of the drying box, and a pair of cavities are formed in the inner wall of the two sides of the drying box, the drying box is characterized in that the cavity is communicated with the opening in a pair, a pair of stop blocks are arranged in the opening in a pair, a pair of electric telescopic rods are fixedly mounted on the inner wall of the top of the cavity, the telescopic ends of the electric telescopic rods are fixedly connected with the upper ends of the stop blocks in a pair, a horizontal plate is fixedly mounted in the drying box, a material receiving and feeding device is mounted on the horizontal plate, and an excessive conveying belt is fixedly mounted between the sealing box and the drying box.
Preferably, the spraying device comprises a spraying pipe fixedly installed at the lower end of the supporting plate, a plurality of spray heads with the same structure are fixedly installed at the lower end of the spraying pipe, the top of the sealing box is provided with a cleaning box, the bottom of the cleaning box is connected with a first water outlet pipe, one end of the first water outlet pipe is connected with a water pump, the water outlet end of the water pump is connected with a second water outlet pipe, a first through hole is formed in the top of the sealing box, a second through hole is formed in the supporting plate, the first through hole corresponds to the position of the second through hole, one end of the second water outlet pipe extends into the sealing box through the first through hole, one end of the second water outlet pipe is connected with a flexible hose, and the flexible hose is connected with one end of the spraying pipe.
Preferably, the circulating drying device comprises a sealing cover fixedly installed on the drying box, an electric heating plate is fixedly installed on the inner wall of the top of the sealing cover, a first air port and a second air port are formed in the top of the drying box, an exhaust fan is fixedly installed in the first air port, a drying box is fixedly installed on the top of the drying box, a third air port is formed in the side wall of the drying box, and the upper end of the second air port is communicated with the bottom of the drying box.
Preferably, connect and send material device including seting up a pair of spout on the horizontal plate, it is a pair of be equipped with a pair of slider in the spout, it is a pair of slider upper end fixed mounting carries the flitch, carry flitch lower wall fixed mounting have a pair of bearing base, it is a pair of install the threaded rod between the bearing base, wall fixed mounting has driving motor on the horizontal plate, install the thread tooth on the driving end of driving motor, the thread tooth with the threaded rod meshing, fixed mounting has the baffle on carrying the flitch, carry and seted up the ventilation hole that a plurality of structures are the same on the flitch.
Preferably, a drying net is fixedly installed at the bottom of the drying box, and a drying agent is placed on the drying net.
Preferably, a pair of said stops are movable up and down within a pair of said cavities.
Preferably, the two sides of the conveying belt are fixedly provided with a material baffle plate, and the material baffle plate and the conveying belt are provided with a plurality of drain holes with the same structure.
Preferably, the drain pipe is installed to the collection box bottom, the drain pipe stretches out seal box outside just installs the drain valve.
Advantageous effects
The utility model provides a button cell processing and cleaning device, which has the advantages that the device has compact structure, a circulating drying device is arranged above a drying box, an electric heating plate is used for heating air in a sealing cover, then the hot air in the drying box and the sealing cover circularly flows through an exhaust fan and a second air port, the drying box is arranged above the second air port, moisture in the circulating air can be sucked away, the air is in a drying state, the flowing hot air can effectively dry moisture on the surface of a battery, the drying effect is accelerated, the temperature is not too high, the battery can be prevented from being damaged by high temperature, a recycling box is arranged at the bottom of the sealing box, the waste water generated by cleaning the battery can be intensively treated, the pollution is avoided, a support plate which can be lifted is arranged at the top of the sealing box, the height of a spray pipe is convenient to adjust, a material receiving and feeding device is arranged in the drying box, the stop block is lifted, the material carrying plate can extend out from the openings on the two sides of the drying box respectively by controlling the driving motor, the materials are conveniently received and delivered, and convenience is brought to people in use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial sectional view of the feeding device of the present invention.
In the figure: 1. a sealing box; 2. a recycling bin; 3. a fixed mount; 4. a conveyor belt; 5. a feed inlet; 6. a striker plate; 7. an electric slide rail; 8. a second through hole; 9. a flexible hose; 10. a first through hole; 11. a second water outlet pipe; 12. a water pump; 13. a first water outlet pipe; 14. a cleaning tank; 15. a support plate; 16. a shower pipe; 17. a spray head; 18. a discharge port; 19. a sealing door; 20. cleaning the mouth; 21. a filter plate; 22. a sealing cover; 23. a drying oven; 24. an electric hot plate; 25. an exhaust fan; 26. a first tuyere; 27. a cavity; 28. an electric telescopic rod; 29. a stopper; 30. an opening; 31. a drying box; 32. a horizontal plate; 33. a third tuyere; 34. a second tuyere; 35. a material carrying plate; 36. thread teeth; 37. a drive motor; 38. a threaded rod; 39. a bearing mount; 40. a chute; 41. a slider; 42. a transition conveyor belt; 43. a baffle plate; 44. a vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the button cell processing and cleaning equipment comprises a sealing box 1 and a drying box 31, wherein a recovery box 2 is fixedly installed at the bottom of the sealing box 1, a filter plate 21 is obliquely installed inside the recovery box 2, cleaning ports 20 communicated with each other are formed in the side walls of the recovery box 2 and the sealing box 1, a pair of sealing doors 19 are arranged in the cleaning ports 20, a feed port 5 and a discharge port 18 are formed in the two side walls of the sealing box 1, a conveyor belt 4 is arranged in the feed port 5 and the discharge port 18, a fixing frame 3 is installed between the conveyor belt 4 and the outer wall of the sealing box 1, a pair of electric slide rails 7 are fixedly installed on the inner walls of the two sides of the sealing box 1, a support plate 15 is arranged on each electric slide rail 7, a spraying device is arranged at the lower end of the support plate 15, the drying box 31 is positioned on one side of the discharge port 18, and a circulating drying device is installed at the top of the drying box 31, a pair of openings 30 are arranged on two sides of the drying box 31, a pair of cavities 27 are arranged on the inner walls on two sides of the drying box 31, the pair of cavities 27 are respectively communicated with the pair of openings 30, a pair of stop blocks 29 are arranged in the pair of openings 30, a pair of electric telescopic rods 28 are fixedly arranged on the inner walls on the tops of the pair of cavities 27, the telescopic ends of the pair of electric telescopic rods 28 are fixedly connected with the upper ends of the pair of stop blocks 29, a horizontal plate 32 is fixedly arranged in the drying box 31, a material receiving and feeding device is arranged on the horizontal plate 32, a transition conveying belt 42 is fixedly arranged between the sealing box 1 and the drying box 31, the spraying device comprises a spraying pipe 16 fixedly arranged at the lower end of the supporting plate 15, a plurality of spray heads 17 with the same structure are fixedly arranged at the lower end of the spraying pipe 16, a cleaning box 14 is arranged at the top of the sealing box 1, and the bottom of the cleaning box 14 is connected with a first water outlet pipe 13, one end of the first water outlet pipe 13 is connected with a water pump 12, the water outlet end of the water pump 12 is connected with a second water outlet pipe 11, the top of the sealing box 1 is provided with a first through hole 10, the supporting plate 15 is provided with a second through hole 8, the first through hole 10 corresponds to the second through hole 8, one end of the second water outlet pipe 11 extends into the sealing box 1 from the first through hole 10, one end of the second water outlet pipe 11 is connected with a flexible hose 9, the flexible hose 9 is connected with one end of the spray pipe 16, the circulating drying device comprises a sealing cover 22 fixedly installed on the drying box 31, an electric heating plate 24 is fixedly installed on the inner wall of the top of the sealing cover 22, the top of the drying box 31 is provided with a first air port 26 and a second air port 34, an exhaust fan 25 is fixedly installed in the first air port 26, and a drying box 23 is fixedly installed on the top of the drying box 31, the side wall of the drying box 23 is provided with a third air port 33, the upper end of the second air port 34 is communicated with the bottom of the drying box 23, the material receiving and feeding device comprises a pair of sliding grooves 40 arranged on the horizontal plate 32, a pair of sliding blocks 41 are arranged in the pair of sliding grooves 40, a material carrying plate 35 is fixedly arranged at the upper ends of the pair of sliding blocks 41, a pair of bearing bases 39 is fixedly arranged on the lower wall surface of the material carrying plate 35, a threaded rod 38 is arranged between the pair of bearing bases 39, a driving motor 37 is fixedly arranged on the upper wall surface of the horizontal plate 32, a threaded tooth 36 is arranged on the driving end of the driving motor 37, the threaded tooth 36 is meshed with the threaded rod 38, a baffle 43 is fixedly arranged on the material carrying plate 35, a plurality of ventilation holes 44 with the same structure are arranged on the material carrying plate 35, a drying net is fixedly arranged at the bottom of the drying box 23, and a drying agent is placed on the drying net, the pair of stop blocks 29 can move up and down in the pair of cavities 27, the striker plates 6 are fixedly mounted on two sides of the conveyor belt 4, a plurality of drain holes with the same structure are formed in the striker plates 6 and the conveyor belt 4, the bottom of the recycling box 2 is provided with a drain pipe, and the drain pipe extends out of the sealing box 1 and is provided with a drain valve.
The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.
Example (b): when in use, firstly, materials are placed on the conveyor belt 4, the conveyor belt 4 is started simultaneously, the materials are fed into the seal box 1 from the feed port 5, then the water pump 12 is started simultaneously, the battery cleaning agent in the cleaning box 14 enters the spray pipe 16 along the second water outlet pipe 11 and the flexible hose 9 and is sprayed out from the spray head 17 to clean the materials, the electric slide rail 7 is started simultaneously to enable the support plate 15 to move up and down in the seal box 1 to adjust the position, the cleaning is convenient, the recovery box 2 is installed at the bottom of the seal box 1, the cleaned waste liquid flows into the recovery box 2 to be intensively treated, the obliquely installed filter plate 21 can enable large garbage to be accumulated at one side of the recovery box 2, then the seal door 19 is opened for convenient cleaning, the inclined surface is arranged at the bottom of the recovery box 2, the waste liquid can be effectively discharged, water is prevented, the baffle plate 6 and the conveyor belt 4 are provided with a plurality of drain holes with the same structure, conveniently discharging waste liquid, then starting the electric telescopic rod 28, raising the stop block 29, opening the opening 30, starting the driving motor 37, driving the threaded rod 38 to rotate by the threaded teeth 36 on the driving end, moving the threaded rod 38 outwards to further enable the material carrying plate 35 to extend out of the opening 30 and move towards one side of the transition conveying belt 42, sending the cleaned material out from the discharge port 18, entering the material carrying plate 35 along the transition conveying belt 42, then starting the driving motor 37 again to withdraw the material carrying plate 35, starting the electric telescopic rod 28 to lower the stop block 29 to close the opening 30, then starting the electric heating plate 24 and the exhaust fan 25 to enable hot air in the drying box 31 to circularly flow, drying the material, simultaneously enabling wet air to enter the drying box 23 from the second air port 34 to be dried, then circulating again, after drying is finished, opening the opening 30, starting the driving motor 37 to extend out of the material carrying plate 35, the materials are processed in the next step, and the use is convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Button cell processing cleaning equipment, including seal box (1) and stoving case (31), its characterized in that, seal box (1) bottom fixed mounting has collection box (2), filter (21) are installed to collection box (2) inside slope, clean mouthful (20) that are linked together are seted up to collection box (2) and seal box (1) lateral wall, be equipped with a pair of sealing door (19) in clean mouthful (20), feed inlet (5) and discharge gate (18) have been seted up to seal box (1) both sides wall, be equipped with conveyer belt (4) in feed inlet (5) and discharge gate (18), conveyer belt (4) with install mount (3) between seal box (1) outer wall, seal box (1) both sides inner wall fixed mounting has a pair of electronic slide rail (7), and is a pair of be equipped with backup pad (15) on electronic slide rail (7), the lower end of the supporting plate (15) is provided with a spraying device, the drying box (31) is positioned at one side of the discharge hole (18), the top of the drying box (31) is provided with a circulating drying device, two sides of the drying box (31) are provided with a pair of openings (30), a pair of cavities (27) are formed in the inner walls of the two sides of the drying box (31), the pair of cavities (27) are respectively communicated with the pair of openings (30), a pair of stop blocks (29) are arranged in the pair of openings (30), a pair of electric telescopic rods (28) are fixedly installed on the inner walls of the tops of the pair of cavities (27), the telescopic ends of the pair of electric telescopic rods (28) are fixedly connected with the upper ends of the pair of stop blocks (29), a horizontal plate (32) is fixedly arranged in the drying box (31), a material receiving and feeding device is arranged on the horizontal plate (32), a transition conveyor belt (42) is fixedly arranged between the sealing box (1) and the drying box (31).
2. The button cell processing and cleaning equipment according to claim 1, wherein the spraying device comprises a spraying pipe (16) fixedly installed at the lower end of the support plate (15), a plurality of spray heads (17) with the same structure are fixedly installed at the lower end of the spraying pipe (16), a cleaning box (14) is installed at the top of the sealing box (1), a first water outlet pipe (13) is connected to the bottom of the cleaning box (14), a water pump (12) is connected to one end of the first water outlet pipe (13), a second water outlet pipe (11) is connected to the water outlet end of the water pump (12), a first through hole (10) is formed in the top of the sealing box (1), a second through hole (8) is formed in the support plate (15), the first through hole (10) corresponds to the second through hole (8), one end of the second water outlet pipe (11) extends into the sealing box (1) from the first through hole (10), one end of the second water outlet pipe (11) is connected with a flexible hose (9), and the flexible hose (9) is connected with one end of the spray pipe (16).
3. The button cell processing and cleaning equipment according to claim 1, wherein the circulating drying device comprises a sealing cover (22) fixedly mounted on the drying box (31), an electric heating plate (24) is fixedly mounted on the inner wall of the top of the sealing cover (22), a first air port (26) and a second air port (34) are formed in the top of the drying box (31), an exhaust fan (25) is fixedly mounted in the first air port (26), a drying box (23) is fixedly mounted on the top of the drying box (31), a third air port (33) is formed in the side wall of the drying box (23), and the upper end of the second air port (34) is communicated with the bottom of the drying box (23).
4. The button cell processing and cleaning device according to claim 1, wherein the material receiving and feeding device comprises a pair of chutes (40) formed on the horizontal plate (32), a pair of sliding blocks (41) are arranged in the pair of chutes (40), a material loading plate (35) is fixedly mounted at the upper ends of the pair of sliding blocks (41), a pair of bearing bases (39) are fixedly arranged on the lower wall surface of the material carrying plate (35), a threaded rod (38) is arranged between the pair of bearing bases (39), a driving motor (37) is fixedly arranged on the upper wall surface of the horizontal plate (32), a thread tooth (36) is arranged on the driving end of the driving motor (37), the thread teeth (36) are meshed with the threaded rods (38), the material carrying plate (35) is fixedly provided with a baffle plate (43), the material carrying plate (35) is provided with a plurality of vent holes (44) with the same structure.
5. The button cell processing and cleaning equipment as claimed in claim 3, wherein a drying net is fixedly arranged at the bottom of the drying box (23), and a drying agent is placed on the drying net.
6. Button cell processing and cleaning equipment according to claim 1, characterized in that a pair of said stops (29) can move up and down inside a pair of said cavities (27).
7. The button cell processing and cleaning equipment according to claim 1, wherein striker plates (6) are fixedly mounted on two sides of the conveyor belt (4), and a plurality of drain holes with the same structure are formed in the striker plates (6) and the conveyor belt (4).
8. The button cell processing and cleaning equipment according to claim 1, wherein a drain pipe is installed at the bottom of the recovery box (2), extends out of the sealing box (1), and is provided with a drain valve.
CN202120862017.3U 2021-04-25 2021-04-25 Button cell processing cleaning equipment Active CN214813076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120862017.3U CN214813076U (en) 2021-04-25 2021-04-25 Button cell processing cleaning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120862017.3U CN214813076U (en) 2021-04-25 2021-04-25 Button cell processing cleaning equipment

Publications (1)

Publication Number Publication Date
CN214813076U true CN214813076U (en) 2021-11-23

Family

ID=78768269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120862017.3U Active CN214813076U (en) 2021-04-25 2021-04-25 Button cell processing cleaning equipment

Country Status (1)

Country Link
CN (1) CN214813076U (en)

Similar Documents

Publication Publication Date Title
CN109700051B (en) Chilli cleaning system
CN110653209A (en) A belt cleaning device for production of ceramic raw materials
CN214813076U (en) Button cell processing cleaning equipment
CN211385911U (en) Low-energy-consumption material cleaning and drying device
CN210267965U (en) Drying cabinet with screening function
CN218808618U (en) Mine scraper conveyor with cleaning device
CN217512408U (en) Surface cleaning device is used in ceramic tile production
CN108221216B (en) A kind of cloth cleaning, drying integrated device
CN203862070U (en) Carpentry workshop scrap-collecting device
CN206978698U (en) A kind of fruit cleaning equipment
CN216226030U (en) Cleaning equipment for glass processing
CN216448545U (en) Vibration dryer capable of improving material drying effect
CN214719037U (en) Stirring formula brown rice is harmless wiper mechanism fast
CN211303578U (en) Automatic change spraying equipment
CN217990155U (en) Ash removal device for processing concrete hollow brick
CN113682768A (en) Track bed structure with washing and cleaning functions
CN217169365U (en) Cooling device is used in cable material production
CN110681626A (en) Equipment for cleaning oil stains on parts
CN219899122U (en) Cleaning equipment with sewage treatment structure
CN211003373U (en) Diamond material weighing device
CN220563628U (en) Cleaning device for conveyor belt
CN203936064U (en) Vortex air pump cleaning equipment
CN219210915U (en) Automatic air shower conveying equipment
CN209363127U (en) One kind being convenient for wiring board cleaning device
CN218844719U (en) Recovery fan with self-cleaning function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant