CN111589348B - Lithium battery material production agitated vessel - Google Patents
Lithium battery material production agitated vessel Download PDFInfo
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- CN111589348B CN111589348B CN202010409148.6A CN202010409148A CN111589348B CN 111589348 B CN111589348 B CN 111589348B CN 202010409148 A CN202010409148 A CN 202010409148A CN 111589348 B CN111589348 B CN 111589348B
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- stirring
- guide groove
- lithium battery
- scrapers
- sealing plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/40—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/123—Maintenance of mixers using mechanical means using scrapers for cleaning mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Abstract
The invention belongs to the technical field of stirring of lithium battery materials, and particularly relates to stirring equipment for producing lithium battery materials, which comprises a stirring cover and a stirring barrel, wherein when two scraping plates slide through the middle position of the stirring barrel, the lithium battery materials on the opposite side surfaces of the two scraping plates can be in contact friction with a rotating third rotating shaft scraping strip, the lithium electronic materials on the side surfaces of the two scraping plates are scraped through the third rotating shaft, dry and unstirred lithium battery materials are prevented from being stuck on the scraping plates, when the stirring is finished, the dry and unstirred lithium battery materials attached to the scraping plates and the wall of the stirring barrel can possibly fall into uniformly stirred lithium battery material liquid, the residual stirring time cannot be uniformly stirred any more, and the stirred lithium battery materials are finally influenced; when two scraper blades slide to the edges of the two sides of the first guide groove and the second guide groove, one ends of the two scraper blades, which are close to the wall surface of the stirring barrel, are in contact with the wall surface of the stirring barrel, and the two scraper blades scrape off lithium battery materials on the wall surface of the stirring barrel.
Description
Technical Field
The invention belongs to the technical field of lithium battery material stirring, and particularly relates to stirring equipment for lithium battery material production.
Background
Lithium batteries (Lithium batteries) refer to batteries in which the electrochemical system contains Lithium (including metallic Lithium, Lithium alloys and Lithium ions, Lithium polymers). Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium metal batteries are generally not rechargeable and contain lithium in a metallic state. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable.
In the production process of the lithium battery, the raw materials of the lithium battery comprise a binder, a conductive agent, a positive electrode material, graphite carbon powder and the like to form a positive electrode and a negative electrode, the preparation of positive electrode slurry and negative electrode slurry comprises a series of processing technologies of mixing, dissolving, dispersing and the like between liquid and liquid, between liquid and solid materials, and the change of temperature, viscosity, environment and the like is accompanied in the process.
Therefore, the lithium battery slurry needs to be stirred and mixed uniformly firstly, most of the stirring adopts a vacuum stirrer for the lithium battery slurry, after the charging is finished, the vacuum pump is used for vacuumizing the stirring barrel, but the existing lithium battery slurry stirring machine has some problems, during the stirring process, because of uneven mixing, the scraper and the wall of the stirring barrel can firmly adhere to an adhesion block formed by dry and unstirred lithium battery materials wrapped by wet materials, therefore, on one hand, the proportion of the lithium battery material stirring solution after stirring is finished is caused to be problematic, the subsequent work of the lithium battery material is influenced, on the other hand, when the stirring is finished, the dry un-agitated lithium battery material adhered to the scraper and the wall of the stirring barrel may fall into the uniformly stirred lithium battery material liquid, the rest stirring time cannot be uniformly stirred any more, and the stirred lithium battery material is influenced finally; therefore, it is necessary to design a stirring device which can scrape off the wall of the stirring barrel and dry and unstirred lithium battery materials attached to the scraping plate and participate in stirring in the stirring barrel all the time in the stirring process.
The invention designs a stirring device for producing lithium battery materials, which solves the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention discloses a stirring device for producing a lithium battery material, which is realized by adopting the following technical scheme.
A lithium battery material production stirring device comprises a hydraulic rod, a stirring cover, an exhaust pipe and a stirring barrel, wherein the exhaust pipe for vacuumizing is installed on the outer circular surface of the stirring cover, scrapers which are uniformly distributed in the circumferential direction and play a stirring role are installed at the lower end of the stirring cover, and the stirring cover is installed on the upper side of the stirring barrel; a hydraulic rod for controlling the stirring cover to open and close is arranged on the upper side of the stirring cover; the method is characterized in that: an isolation sealing plate is rotatably arranged in the stirring cover, a closed first guide groove and a closed second guide groove are formed in the isolation sealing plate, and the projection of the first guide groove in the vertical direction is superposed with the projection of the second guide groove in the vertical direction after the first guide groove is transversely moved and deflected; the first guide groove does not penetrate through the isolation sealing plate, the second guide groove penetrates through the isolation sealing plate, and the isolation sealing plate is divided into an inner side part and an outer side part by the second guide groove; the motor is installed on the upper side of the stirring cover, the transmission mechanism is installed on the inner side of the stirring cover, and the transmission mechanism is located on the upper side of the isolation sealing plate; the motor drives the isolation sealing plate to rotate around the axis of the stirring barrel through the transmission mechanism, and simultaneously drives the two scraping plates to circularly slide along the circumferential direction and the radial direction of the isolation sealing plate under the action of the first guide groove and the second guide groove; the closed second guide groove is an oblate track and has the smallest middle distance; the two scrapers are inclined to the radial direction of the scrapers at the positions at two sides of the non-middle position.
In the process that the two scrapers slide along the circumferential direction and the radial direction of the stirring barrel, when the two scrapers slide through the middle position of the stirring barrel, lithium battery materials on the opposite sides of the two scrapers are scraped.
In the sliding process of the two scraping plates, when the two scraping plates slide to the edges of the two sides of the first guide groove and the second guide groove, one ends of the two scraping plates, which are close to the wall surface of the stirring barrel, are in contact with the wall surface of the stirring barrel, and the two scraping plates scrape off lithium battery materials on the wall surface of the stirring barrel.
As a further improvement of the technology, the upper end of the stirring cover is provided with a mounting shell, and the motor is fixedly arranged in the mounting shell; the hydraulic rod is arranged on the upper side of the mounting shell, a flange plate is arranged at one end of the exhaust pipe, which is far away from the stirring cover, and the exhaust pipe is connected with the vacuum pump through the flange plate; a shaft hole is formed between the mounting shell and the stirring cover, and an output shaft of the motor penetrates through the shaft hole to be located in the stirring cover.
As a further improvement of the technology, the transmission mechanism comprises a synchronous belt, a pressing wheel, first gears, a planet carrier, a gear ring, planet wheels, a synchronous wheel, a sun wheel, a first fixed shaft, a fixed plate, second gears, a connecting sleeve, a first rotating shaft and a second rotating shaft, wherein the upper end of the planet carrier is rotatably installed in a shaft hole between the stirring cover and the mounting shell, the sun wheel is fixedly installed on an output shaft of the motor, the upper ends of the two first rotating shafts are circumferentially and uniformly fixedly installed on the lower side of the planet carrier, the two planet wheels are rotatably installed on the upper ends of the two first rotating shafts and are meshed with the sun wheel, the upper end of the gear ring is fixedly installed on the upper end surface of the stirring cover, and the gear ring is meshed with the two planet wheels; the two first gears are rotatably arranged at the lower ends of the two first rotating shafts, and the two first gears and the two planet gears are fixedly connected through a connecting sleeve respectively; the fixed plate is fixedly arranged at the lower ends of the two first rotating shafts, the two second rotating shafts are symmetrically and rotatably arranged at the two ends of the fixed plate, the two second gears are fixedly arranged at the upper ends of the two second rotating shafts, and the two second gears are meshed with the two first gears; the two synchronizing wheels are fixedly arranged at the lower ends of the two second rotating shafts; the two synchronous wheels are connected through a synchronous belt, and the two pressing wheels are respectively arranged at the middle position of the lower side of the fixed plate through a first fixed shaft; the two pinch rollers extrude the synchronous belt, so that the middle of the synchronous belt is close to each other, and the track formed by the synchronous belt is the same as the track rule of the second guide groove.
As a further improvement of the technology, the fixing rod is fixedly arranged on the inner side part of the lower end of the isolation sealing plate, the upper end of the fixing rod is fixedly arranged at the lower end of the fixing plate, two fixing supports are uniformly arranged on the edge of the upper end of the isolation sealing plate in the circumferential direction, and the outer side part of the isolation sealing plate is arranged on the lower sides of the two ends of the fixing plate through the two fixing supports.
As a further improvement of the technology, the upper ends of the two scrapers are respectively provided with a first connecting rod and a second connecting rod, the two scrapers are respectively connected with the synchronous belt through the first connecting rods arranged on the scrapers, the two first connecting rods penetrate through a second guide groove formed on the isolation sealing plate and are connected with the synchronous belt, the two second connecting rods penetrate through a first guide groove formed on the isolation sealing plate, the offset distance of other tracks except the middle position relative to the track of the second guide groove is equal to the distance between the first connecting rod and the second connecting rod, the length direction of the scrapers and the connecting line of the first connecting rod and the second connecting rod form an included angle, the middle position of the first guide groove comprises a third guide groove, the third guide groove is positioned on one side of the second guide groove close to the circle center, when the first connecting rods pass through the middle position of the second guide groove, the second connecting rod passes through the third guide slot, and the length direction of the scraper blade is in the same direction as the walking direction.
As a further improvement of the technology, the upper ends of the two first connecting rods are respectively connected with the synchronous belt through a hinged plate, one ends of the two hinged plates are respectively hinged with the two first connecting rods correspondingly, and the other ends of the two hinged plates are hinged with the lower end of the synchronous belt.
As a further improvement of the technology, the sealing strip is slidably mounted in the first guide groove formed on the isolation sealing plate.
As a further improvement of the technology, the bottom of the stirring barrel is provided with a mounting groove, the lower end of the motor output shaft is fixedly provided with a third rotating shaft, the lower end of the third rotating shaft penetrates through the mounting groove, the isolation sealing plate is located on the lower side of the stirring barrel, the lower end of the third rotating shaft is provided with a blade, and the blade is located in the mounting groove and is lower than the bottom of the stirring barrel.
As a further improvement of the present technology, the outer circumferential surface of the third rotating shaft has a plurality of circumferentially uniform scraping strips arranged along the axis of the third rotating shaft.
As a further improvement of the technology, a sealing ring is arranged between the outer circular surface of the isolation sealing plate and the inner circular surface of the stirring cover, and a rotary sealing structure is arranged between the third rotating shaft and the isolation sealing plate.
Compared with the traditional lithium battery material stirring technology, the beneficial effects of the design of the invention are as follows:
1. According to the stirring equipment designed by the invention, when the two scrapers slide through the middle position of the stirring barrel, the lithium battery materials on the opposite side surfaces of the two scrapers can be in contact friction with the rotating third rotating shaft scraper strip, the lithium electronic materials on the side surfaces of the two scrapers are scraped through the third rotating shaft, the dry and unstirred lithium battery materials are prevented from being adhered to the scrapers, when the stirring is finished, the dry and unstirred lithium battery materials attached to the scrapers and the wall of the stirring barrel can possibly fall into the uniformly stirred lithium battery material liquid, and the residual stirring time cannot be uniformly stirred any more, so that the well stirred lithium battery materials are finally influenced.
2. According to the stirring equipment designed by the invention, when the two scraping plates slide to the edges of the two sides of the first guide groove and the second guide groove, one ends of the two scraping plates close to the wall surface of the stirring barrel are in contact with the wall surface of the stirring barrel, and the two scraping plates scrape lithium battery materials on the wall surface of the stirring barrel.
3. According to the stirring equipment designed by the invention, the blades are designed, and the lithium battery materials in the stirring barrel are stirred through the rotation of the blades, so that the stirring effect of the lithium battery materials in the stirring barrel is improved.
4. The blades positioned in the mounting groove are lower than the bottom surface of the stirring barrel, so that the blades do not interfere with the scraper.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is a schematic view of the construction of the mixing tank.
Fig. 4 is a schematic diagram of a transmission arrangement.
FIG. 5 is a schematic view of the blade installation.
Fig. 6 is a schematic view of the isolation seal plate installation.
Fig. 7 is a schematic view of the arrangement of the first and second guide grooves.
FIG. 8 is a schematic view of the seal installation.
FIG. 9 is a schematic view of the first and second connecting rods being installed.
Figure 10 is a schematic of a primary connecting rod and timing belt installation.
Figure 11 is a timing belt installation schematic.
Fig. 12 is a schematic view of the transmission mechanism.
Fig. 13 is a schematic view of a third channel distribution.
FIG. 14 is a schematic representation of blade operation.
Number designation in the figures: 1. a hydraulic lever; 2. mounting a shell; 3. a stirring cover; 4. an exhaust pipe; 5. a stirring barrel; 6. a motor; 7. a transmission mechanism; 8. a squeegee; 9. a stirring blade; 10. mounting grooves; 11. a seal ring; 12. Fixing and supporting; 13. fixing the rod; 14. an isolation seal plate; 16. a first guide groove; 17. a second guide groove; 18. A shaft hole; 19. a sealing strip; 20. a first connecting rod; 21. a second connecting rod; 22. a hinge plate; 23. a synchronous belt; 24. a pinch roller; 25. a first gear; 26. a planet carrier; 27. a ring gear; 28. a planet wheel; 29. a synchronizing wheel; 30. a sun gear; 31. a first fixed shaft; 32. a fixing plate; 33. a second gear; 34. connecting sleeves; 35. a first rotating shaft; 36. a second rotating shaft; 37. a third rotating shaft; 38. and a third guide groove.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the lithium battery material stirring device comprises a hydraulic rod 1, a stirring cover 3, an air exhaust pipe 4 and a stirring barrel 5, wherein as shown in fig. 1, the air exhaust pipe 4 for vacuumizing is installed on the outer circular surface of the stirring cover 3, and the air exhaust pipe 4 is used for exhausting air in the stirring barrel 5, so that the lithium battery material is stirred in a vacuum environment; the lower end of the stirring cover 3 is provided with scrapers 8 which are uniformly distributed in the circumferential direction and play a role of stirring, and the stirring cover 3 is arranged on the upper side of the stirring barrel 5; the upper side of the stirring cover 3 is provided with a hydraulic rod 1 for controlling the stirring cover to open and close; the method is characterized in that: as shown in fig. 7, an isolation sealing plate 14 is rotatably mounted in the stirring cover, a first closed guide groove 16 and a second closed guide groove 17 are formed in the isolation sealing plate 14, and a projection of the first guide groove 16 in the vertical direction after traversing and offsetting is overlapped with a projection of the second guide groove 17 in the vertical direction; the first guide groove 16 does not penetrate through the isolation sealing plate 14, the second guide groove 17 penetrates through the isolation sealing plate 14, and the second guide groove 17 divides the isolation sealing plate 14 into an inner part and an outer part; the first guide groove 16 and the second guide groove 17 designed by the invention have the functions of ensuring that the two scraping plates 8 can move radially in the circumferential direction on the isolation sealing plate 14 and can scrape the part close to the circle center, and on the other hand, ensuring that the scraping plates 8 are inclined to the radial direction when positioned at two sides of a non-middle position in the stirring process; the scraping efficiency of the wall of the stirring barrel 5 is improved; as shown in fig. 2 and 4, the motor 6 is installed on the upper side of the stirring cover 3, the transmission mechanism 7 is installed on the inner side of the stirring cover 3, and the transmission mechanism 7 is located on the upper side of the isolation sealing plate 14; the motor 6 drives the isolation sealing plate 14 to rotate around the axis of the stirring barrel 5 through the transmission mechanism 7, and simultaneously drives the two scrapers 8 to circularly slide along the circumferential direction and the radial direction of the isolation sealing plate 14 under the action of the first guide groove 16 and the second guide groove 17; the closed second guide groove 17 is an oblate track with the minimum middle distance; the two scrapers 8 are inclined to their radial directions in positions on both sides of the non-intermediate position.
In the gliding in-process of circumference and radial direction at above-mentioned two scraper blades 8 along agitator 5, when two scraper blades 8 slide the intermediate position through agitator 5, lithium battery material on the side that two scraper blades 8 are relative is scraped off, prevent to glue dry lithium battery material that does not stir on the scraper blade 8, when stirring soon finishes, dry lithium battery material that does not stir attached to on scraper blade 8 and 5 bucket walls of agitator can drop in the lithium battery material liquid of stirring, and remaining churning time can't stir the homogeneous again, finally influence the lithium battery material that stirs.
In the process of sliding the two scrapers 8, when the two scrapers 8 slide to the edges of the two sides of the first guide groove 16 and the second guide groove 17, one end of the two scrapers 8 close to the wall surface of the stirring barrel 5 contacts with the wall surface of the stirring barrel 5, and the two scrapers 8 scrape the lithium battery material on the wall surface of the stirring barrel 5; prevent to be stained with the dry lithium battery material that does not stir on the bucket wall, when the stirring is ending soon, the dry lithium battery material that does not stir that adheres to on scraper blade 8 and 5 bucket walls of agitator can drop in the lithium battery material liquid of stirring, and remaining churning time can't stir the uniformity again, finally influences the lithium battery material that stirs.
As shown in fig. 14, both sides of the two scrapers 8 can be scraped off once after one rotation in the present invention.
As shown in fig. 6 and 7, the upper end of the stirring cover 3 is provided with the mounting housing 2, and the motor 6 is fixedly mounted in the mounting housing 2; as shown in fig. 1, a hydraulic rod 1 is installed on the upper side of an installation shell 2, a flange is arranged at one end of an exhaust tube 4 far away from a stirring cover 3, and the exhaust tube 4 is connected with a vacuum pump through the flange; an axle hole 18 is arranged between the mounting shell 2 and the stirring cover 3, and an output shaft of the motor 6 passes through the axle hole 18 and is positioned in the stirring cover 3.
As shown in fig. 11 and 12, the transmission mechanism 7 includes a synchronous belt 23, a pressure roller 24, a first gear 25, a planet carrier 26, a gear ring 27, planet gears 28, a synchronous gear 29, a sun gear 30, a first fixed shaft 31, a fixed plate 32, a second gear 33, a connecting sleeve 34, a first rotating shaft 35, and a second rotating shaft 36, wherein the upper end of the planet carrier 26 is rotatably installed in the shaft hole 18 between the stirring cover 3 and the mounting shell 2, the sun gear 30 is fixedly installed on the output shaft of the motor 6, the upper ends of the two first rotating shafts 35 are circumferentially and uniformly and fixedly installed on the lower side of the planet carrier 26, the two planet gears 28 are rotatably installed on the upper ends of the two first rotating shafts 35, the two planet gears 28 are engaged with the sun gear 30, the upper end of the gear ring 27 is fixedly installed on the upper end surface of the stirring cover 3, and the gear ring 27 is engaged with the two planet gears 28; the two first gears 25 are rotatably mounted at the lower ends of the two first rotating shafts 35, and the two first gears 25 and the two planet gears 28 are fixedly connected through a connecting sleeve 34 respectively; the fixed plate 32 is fixedly arranged at the lower ends of the two first rotating shafts 35, the two second rotating shafts 36 are symmetrically and rotatably arranged at the two ends of the fixed plate 32, the two second gears 33 are fixedly arranged at the upper ends of the two second rotating shafts 36, and the two second gears 33 are meshed with the two first gears 25; the two synchronizing wheels 29 are fixedly arranged at the lower ends of the two second rotating shafts 36; two synchronous wheels 29 are connected through a synchronous belt 23, and two pressing wheels 24 are respectively arranged at the middle position of the lower side of a fixed plate 32 through a first fixed shaft 31; the two pinch rollers 24 squeeze the synchronous belt 23, so that the middle parts of the synchronous belt 23 are close to each other, and the track formed by the synchronous belt 23 is the same as the track rule of the second guide groove 17.
Under the action of the two pinch rollers 24, the middles of the synchronous belts 23 are close to each other and are close to the tracks of the first guide groove 16 and the second guide groove 17, so that the scraper 8 is driven to move conveniently.
As shown in fig. 6, the fixing rod 13 is fixedly mounted on the inner side portion of the lower end of the isolation sealing plate 14, the upper end of the fixing rod 13 is fixedly mounted on the lower end of the fixing plate 32, two fixing supports 12 are circumferentially and uniformly mounted on the edge of the upper end of the isolation sealing plate 14, and the outer side portion of the isolation sealing plate 14 is mounted on the lower side of the two ends of the fixing plate 32 through the two fixing supports 12. In order to realize the function that two scrapers 8 circularly slide and simultaneously rotate around the axis of the stirring barrel 5, a first guide groove 16 and a second guide groove 17 are arranged on an isolation sealing plate 14, the middle of the isolation sealing plate 14 is hollowed due to the arrangement of the first guide groove 16 and the second guide groove 17, and in order to prevent the isolation sealing plate 14 with the hollowed middle from influencing the action of the first guide groove 16 and the second guide groove 17, a fixing rod 13 is designed, so that the fixing rod 13 is fixedly connected with a fixing plate 32, and the integrity of the first guide groove 16 and the second movable groove is ensured.
As shown in fig. 9 and 10, a first connecting rod 20 and a second connecting rod 21 are respectively installed at the upper ends of the two scrapers 8, the two scrapers 8 are respectively connected with a synchronous belt 23 through the first connecting rod 20 installed thereon, the two first connecting rods 20 are connected with the synchronous belt 23 through a second guide slot 17 opened on an isolation sealing plate 14, the two second connecting rods 21 are inserted into a first guide slot 16 opened on the isolation sealing plate 14, the offset distance of the track of the first guide slot 16 except the middle position with respect to the track of the second guide slot 17 is equal to the distance between the first connecting rod 20 and the second connecting rod 21, the length direction of the scraper 8 forms an angle with the connecting line between the first connecting rod 20 and the second connecting rod 21, as shown in fig. 13, the middle position of the first guide slot 16 includes a third guide slot 38, the third guide slot 38 is located at the side of the second guide slot 17 close to the center of the circle, when the first connecting rod 20 passes through the middle position of the second guide slot 17, the second link 21 passes through the third guide groove 38, and the longitudinal direction of the blade 8 is the same as the traveling direction. As shown in the right-hand side of fig. 13, the orientation of the squeegee is shown at various positions. The design has the effect that when the scraping plates 8 are positioned at two sides, the scraping plates 8 are always inclined to the radial direction of the scraping plates 8 in the stirring process; the scraping efficiency of the wall of the stirring barrel 5 is improved; on the other hand, the two scrapers 8 can be ensured to be capable of scraping the attached lithium battery materials by the third rotating shaft 37 because the length direction of the scrapers 8 close to the circle center is the same as the walking direction. First guide slot 16 and second guide slot 17 have decided the angle direction of scraper blade 8 slip operation in-process to the motion direction of second connecting rod 21 and first connecting rod 20 respectively, just can carry out nimble adjustment to the angle of scraper blade 8 in service through the curve design of nimble first guide slot 16 and second guide slot 17, fully guarantee promptly that stirring efficiency can guarantee again the effect of scraping of centre of a circle department.
As shown in fig. 10, the upper ends of the two first connecting rods 20 are connected to the timing belt 23 through a hinge plate 22, one ends of the two hinge plates 22 are hinged to the two first connecting rods 20, and the other ends of the two hinge plates 22 are hinged to the lower end of the timing belt 23.
As shown in fig. 8, a sealing strip 19 is slidably mounted in the first guide groove 16 formed in the isolation sealing plate 14; the penetrating second guide groove 17 is sealed by the sealing strip 19, so that the upper and lower parts of the isolation sealing plate 14 are in a sliding sealing state, the sealing strip 19 is of a closed structure, is clamped in the second guide groove 17 to fill the gap of the second guide groove 17, seals the second guide groove 17, and can continuously slide in the second guide groove 17.
As shown in fig. 3, the bottom of the stirring barrel 5 is provided with an installation groove 10, as shown in fig. 4 and 5, the lower end of the output shaft of the motor 6 is fixedly provided with a third rotating shaft 37, the lower end of the third rotating shaft 37 penetrates through the fixing plate 32 and the isolation sealing plate 14 to be located in the installation groove 10 at the lower side of the stirring barrel 5, the lower end of the third rotating shaft 37 is provided with a blade, and the blade is located in the installation groove 10 and lower than the bottom of the stirring barrel 5; 6 during operation of motor, motor 6 drives the rotation of third pivot 37 through the output shaft, and the rotation of third pivot 37 drives the blade rotation, and the blade rotation has improved the stirring effect of the lithium battery material in the agitator 5 to the lithium battery material stirring in the agitator 5.
A plurality of scraping strips arranged along the axis of the third rotating shaft 37 are uniformly arranged on the outer circular surface of the third rotating shaft 37 in the circumferential direction; in the process of sliding the two scraping plates 8, when the two scraping plates 8 slide through the middle position of the stirring barrel 5, the lithium battery materials on the opposite side surfaces of the two scraping plates 8 contact and rub with the third rotating shaft 37, the lithium electronic materials on the side surfaces of the two scraping plates 8 are scraped through the third rotating shaft 37, and the scraping strips are designed to improve the scraping efficiency of the third rotating shaft 37 on the lithium electronic materials on the side surfaces of the two scraping plates 8.
As shown in fig. 5, a seal ring 11 is installed between the outer circumferential surface of the isolation seal plate 14 and the inner circumferential surface of the agitator cap 3, and a rotary seal structure is provided between the third rotary shaft 37 and the isolation seal plate 14.
The specific working process is as follows: when the stirring material designed by the invention is used, firstly, the lithium battery material is put into the stirring barrel 5, then the stirring cover 3 is covered by the hydraulic rod 1, when the stirring cover 3 is covered, the gas in the stirring barrel 5 is pumped away by the vacuum pump, so that the stirring barrel 5 is in a vacuum state, then the motor 6 is controlled to work, when the motor 6 works to drive the sun gear 30 to rotate, the gear ring 27 is fixed on the stirring cover 3 to be in a static state, rotation of the sun gear 30 drives the two planet gears 28 to rotate about the axis of the sun gear 30, when the two planet gears 28 rotate, the two planet gears 28 rotate to drive the two first gears 25 to rotate through the corresponding connecting sleeves 34, the two first gears 25 rotate to drive the two second gears 33 to rotate, the two second gears 33 rotate to drive the two synchronous wheels 29 to rotate, and the two synchronous wheels 29 rotate to drive the synchronous belt 23 to slide; the synchronous belt 23 drives the two scraping plates 8 to slide through the two hinge plates 22 and the two first connecting rods 20, the scraping plates 8 circularly slide on the isolation sealing plate 14 and simultaneously rotate around the axis of the stirring barrel 5 along with the isolation sealing plate 14 through the matching of the first connecting rods 20, the second guide grooves 17, the second connecting rods 21 and the first guide grooves 16 in the sliding process of the two scraping plates 8, and the two scraping plates 8 except the positions near the circle centers are always inclined to the moving direction in the sliding and rotating processes; the two scraping plates 8 perform spiral-like action in the stirring barrel 5 to stir the lithium battery material in the stirring barrel 5; in the stirring process, after the two scrapers 8 rotate to be in contact with the barrel wall of the stirring barrel 5, the two scrapers 8 can intermittently scrape the dry lithium battery materials adhered to the barrel wall and not stirred, and meanwhile, when the two scrapers 8 slide to pass through the middle position of the stirring barrel 5, the lithium battery materials on the opposite side surfaces of the two scrapers 8 can be in contact friction with the third rotating shaft 37, and the lithium electronic materials on the side surfaces of the two scrapers 8 are scraped through the third rotating shaft 37; after the stirring is completed, the stirring lid 3 is opened by a hydraulic pipe.
Claims (8)
1. A lithium battery material production stirring device comprises a hydraulic rod, a stirring cover, an exhaust pipe and a stirring barrel, wherein the exhaust pipe for vacuumizing is installed on the outer circular surface of the stirring cover, scrapers which are uniformly distributed in the circumferential direction and play a role in stirring are installed at the lower end of the stirring cover, and the stirring cover is installed on the upper side of the stirring barrel; a hydraulic rod for controlling the stirring cover to open and close is arranged on the upper side of the stirring cover; the method is characterized in that: an isolation sealing plate is rotatably arranged in the stirring cover, a closed first guide groove and a closed second guide groove are formed in the isolation sealing plate, and the projection of the first guide groove in the vertical direction is superposed with the projection of the second guide groove in the vertical direction after the first guide groove is transversely moved and deflected; the first guide groove does not penetrate through the isolation sealing plate, the second guide groove penetrates through the isolation sealing plate, and the isolation sealing plate is divided into an inner side part and an outer side part by the second guide groove; the motor is installed on the upper side of the stirring cover, the transmission mechanism is installed on the inner side of the stirring cover, and the transmission mechanism is located on the upper side of the isolation sealing plate; the motor drives the isolation sealing plate to rotate around the axis of the stirring barrel through the transmission mechanism, and simultaneously drives the two scraping plates to circularly slide along the circumferential direction and the radial direction of the isolation sealing plate under the action of the first guide groove and the second guide groove; the closed second guide groove is an oblate track and has the smallest middle distance; the two scrapers are inclined to the radial direction of the scrapers at the two sides of the non-middle position;
In the process that the two scraping plates slide along the circumferential direction and the radial direction of the stirring barrel, when the two scraping plates slide to pass through the middle position of the stirring barrel, lithium battery materials on the opposite side surfaces of the two scraping plates are scraped;
in the sliding process of the two scrapers, when the two scrapers slide to the edges of the two sides of the first guide groove and the second guide groove, one ends of the two scrapers close to the wall surface of the stirring barrel are in contact with the wall surface of the stirring barrel, and the two scrapers scrape lithium battery materials on the wall surface of the stirring barrel;
the upper end of the stirring cover is provided with an installation shell, and the motor is fixedly arranged in the installation shell; the hydraulic rod is arranged on the upper side of the mounting shell, a flange plate is arranged at one end of the exhaust pipe, which is far away from the stirring cover, and the exhaust pipe is connected with the vacuum pump through the flange plate; a shaft hole is formed between the mounting shell and the stirring cover, and an output shaft of the motor penetrates through the shaft hole and is positioned in the stirring cover;
the transmission mechanism comprises a synchronous belt, a pressing wheel, first gears, a planet carrier, a gear ring, planet wheels, a synchronous wheel, a sun wheel, a first fixed shaft, a fixed plate, a second gear, a connecting sleeve, a first rotating shaft and a second rotating shaft, wherein the upper end of the planet carrier is rotatably installed in a shaft hole between a stirring cover and an installation shell, the sun wheel is fixedly installed on an output shaft of a motor, the upper ends of the two first rotating shafts are circumferentially and uniformly fixedly installed on the lower side of the planet carrier, the two planet wheels are rotatably installed on the upper ends of the two first rotating shafts, the two planet wheels are meshed with the sun wheel, the upper end of the gear ring is fixedly installed on the upper end surface of the stirring cover, and the gear ring is meshed with the two planet wheels; the two first gears are rotatably arranged at the lower ends of the two first rotating shafts, and the two first gears and the two planet gears are fixedly connected through a connecting sleeve respectively; the fixed plate is fixedly arranged at the lower ends of the two first rotating shafts, the two second rotating shafts are symmetrically and rotatably arranged at the two ends of the fixed plate, the two second gears are fixedly arranged at the upper ends of the two second rotating shafts, and the two second gears are meshed with the two first gears; the two synchronizing wheels are fixedly arranged at the lower ends of the two second rotating shafts; the two synchronous wheels are connected through a synchronous belt, and the two pressing wheels are respectively arranged at the middle position of the lower side of the fixed plate through a first fixed shaft; the two pinch rollers extrude the synchronous belt, so that the middle of the synchronous belt is close to each other, and the track formed by the synchronous belt is the same as the track rule of the second guide groove.
2. The lithium battery material production stirring device of claim 1, characterized in that: the fixed mounting has the dead lever on the inboard part of above-mentioned isolation closing plate lower extreme, and the upper end fixed mounting of dead lever is at the lower extreme of fixed plate, and the even two fixed bolsters of installing of circumference on the edge of isolation closing plate upper end, the outside portion of keeping apart the closing plate installs the downside at the fixed plate both ends through two fixed bolsters.
3. The lithium battery material production stirring device of claim 1, characterized in that: the upper ends of the two scrapers are respectively provided with a first connecting rod and a second connecting rod, the two scrapers are respectively connected with the synchronous belt through the first connecting rods arranged on the scrapers, the two first connecting rods penetrate through a second guide groove formed in the isolation sealing plate to be connected with the synchronous belt, the two second connecting rods penetrate through a first guide groove formed in the isolation sealing plate, the offset distance of tracks of the first guide groove, except the middle position, relative to the track of the second guide groove is equal to the distance between the first connecting rod and the second connecting rod, the length direction of the scrapers and the connecting line of the first connecting rod and the second connecting rod form an included angle, the middle position of the first guide groove comprises a third guide groove, the third guide groove is positioned on one side, close to the circle center, of the second guide groove, when the first connecting rods pass through the middle position of the second guide groove, the second connecting rod passes through the third guide slot, and the length direction of the scraper blade is in the same direction as the walking direction.
4. The lithium battery material production stirring device of claim 3, characterized in that: the upper ends of the two first connecting rods are connected with the synchronous belt through hinged plates respectively, one ends of the two hinged plates are hinged with the two first connecting rods respectively, and the other ends of the two hinged plates are hinged with the lower end of the synchronous belt.
5. The lithium battery material production stirring device as recited in claim 1, characterized in that: the first guide groove formed on the isolation sealing plate is internally provided with a sealing strip in a sliding way.
6. The lithium battery material production stirring device as recited in claim 1, characterized in that: the bottom of above-mentioned agitator is opened there is the mounting groove, and the lower extreme fixed mounting of motor output shaft has the third pivot, and the lower extreme of third pivot passes fixed plate, keeps apart the mounting groove that the closing plate is located the agitator downside, and the blade is installed to the lower extreme of third pivot, and the blade is located the mounting groove, and is less than the agitator bottom.
7. The lithium battery material production stirring device as recited in claim 6, characterized in that: the outer circular surface of the third rotating shaft is uniformly provided with a plurality of scraping strips arranged along the axis of the third rotating shaft in the circumferential direction.
8. The lithium battery material production stirring device of claim 1, characterized in that: and a sealing ring is arranged between the outer circular surface of the isolation sealing plate and the inner circular surface of the stirring cover, and a rotary sealing structure is arranged between the third rotating shaft and the isolation sealing plate.
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| CN202010409148.6A CN111589348B (en) | 2020-05-14 | 2020-05-14 | Lithium battery material production agitated vessel |
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| CN114608281B (en) * | 2022-03-07 | 2022-09-27 | 龙利源生态环境科技(苏州)有限公司 | Recoverable solid waste cleaning and drying equipment |
| CN114705032B (en) * | 2022-03-22 | 2023-05-02 | 宜春万申制药机械有限公司 | Drying equipment with inner wall cleaning function for medicine production |
| CN115228326B (en) * | 2022-09-21 | 2023-01-13 | 河北德弘食品有限公司 | Raw material mixing device for snow pear paste production and use method thereof |
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| DE19756648A1 (en) * | 1997-12-19 | 1999-06-24 | Zimmermann Benno Dipl Ing Fh | Paste mixer |
| CN204247115U (en) * | 2014-08-26 | 2015-04-08 | 北京化工大学 | Wall mixer is scraped in a kind of powder stuffing surface treatment |
| CN205412754U (en) * | 2016-01-07 | 2016-08-03 | 溧阳市科达新材料有限公司 | A planet mixer for producing silica gel |
| CN107243279A (en) * | 2017-05-16 | 2017-10-13 | 贵州大龙建通新材料有限公司 | Planet spreading batch mixer |
| CN210186901U (en) * | 2019-04-11 | 2020-03-27 | 江苏泰康生物医药有限公司 | Liquid preparation device |
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