CN210123227U

CN210123227U - Lithium battery drying device

Info

Publication number: CN210123227U
Application number: CN201920664469.3U
Authority: CN
Inventors: 陈涛; 赵芸香
Original assignee: Suzhou Xinfeibo Electronic Technology Co Ltd
Current assignee: Suzhou Xinfeibo Electronic Technology Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-03-03
Anticipated expiration: 2029-05-10

Abstract

The utility model relates to the technical field of accessory drying accessories, in particular to a lithium battery drying device; the automatic control device comprises a working box, wherein an operation opening is formed in the left side of the working box in a communicated manner, a blocking cover is hinged to the operation opening, a handle is arranged on the left side of the blocking cover, and a heating plate is arranged on the top side wall in the working box; sealed intercommunication in both sides is respectively had air-supply line and exhaust pipe about the work box right side, sealed intercommunication has the exhaust fan on the exhaust pipe, still including adsorbing the box, it is provided with the change mouth to adsorb box top intercommunication, and be provided with the change lid in change mouth department, adsorb intracavity portion and placed and adsorb the carbon, the sealed intercommunication in work box bottom has the intake pipe, intake pipe output department is provided with the filter screen, it has the blast pipe to adsorb the sealed intercommunication in box right side top, still including changeing the handle, the drive shaft, axis of rotation and stirring rod group, it is provided with first logical groove to change lid top intercommunication, and it is rotatable to be fixed with first bearing group at first logical inslot lateral wall, still include two sets of bradyseism boards, two sets of bradyseism springs and.

Description

Lithium battery drying device

Technical Field

The utility model relates to a technical field of accessory stoving auxiliary device especially relates to a lithium cell drying device.

Background

As is well known, a lithium battery drying device is an auxiliary device used in the production and processing process of lithium batteries for drying accessories and better performing subsequent operations, and is widely used in the field of accessory drying; the existing lithium battery drying device comprises a working box, a working cavity is arranged in the working box, the left side of the working box is communicated with an operation port, a blocking cover is hinged at the operation port, a handle is arranged on the left side of the blocking cover, and a heating plate is arranged on the top side wall in the working box; when the existing lithium battery drying device is used, accessories are placed on the inner bottom side wall of a working box, and a heating plate is started to heat and dry the accessories, wherein the heating plate is a common electric device in the market, and the accessories can be used only by being electrically connected with each other according to a purchased use specification when bought for use, so that the details are not repeated; present lithium cell drying device uses the discovery, and its work box internal fitting stoving speed is slower, and the working effect is relatively poor to it is lower to lead to its practicality.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a it can accelerate work box inside fitting stoving speed, optimizes the working effect to improve the lithium cell drying device of its practicality.

The utility model discloses a lithium battery drying device, including the work box, the inside work chamber that is provided with of work box, the left side intercommunication of work box is provided with the operation mouth to articulated in operation mouth department have a fender cover, fender cover left side is provided with the handle, the top lateral wall is provided with the hot plate in the work box; the upper side and the lower side of the right side of the working box are respectively communicated with an air inlet pipe and an exhaust pipe in a sealing manner, the exhaust pipe is communicated with an exhaust fan in a sealing manner, the adsorption box is arranged on the right side of the working box, an adsorption cavity is arranged in the adsorption box, the top end of the adsorption box is communicated with a replacement port, a replacement cover is arranged at the replacement port, adsorption carbon is placed in the adsorption cavity, the bottom end of the working box is communicated with an air inlet pipe in a sealing manner, a filter screen is arranged at the output end of the air inlet pipe, the input end of the air inlet pipe is communicated with an exhaust pipe in a sealing manner, an exhaust pipe is communicated with the upper side of the right side of the adsorption box in a sealing manner, the exhaust pipe is communicated with the input end of the air inlet pipe in a sealing manner, the stirring rod set is positioned in the adsorption box, the rotating handle is fixed outside, and it is rotatable to be fixed with first bearing group to lead to the inslot wall in first, the bottom of axis of rotation passes first bearing group and stretches into to adsorb inside the box, the fixed cover in the axis of rotation outside is equipped with two sets of sealed spacing collars, two sets of sealed spacing collars respectively with change lid top and bottom contact, still include two sets of bradyseism boards, two sets of bradyseism springs and two sets of bradyseism pieces, two sets of bradyseism board left ends are all installed on the work box right side, two sets of bradyseism spring one end are connected with two sets of bradyseism board inboards respectively, two sets of bradyseism spring other ends are connected with two sets of bradyseism pieces respectively, the exhaust fan clamps between.

The utility model discloses a lithium battery drying device, still include motor and transmission post, the transmission post front end is connected with motor rear portion output, still include the multiunit classifier, the multiunit classifier all is located the work box inside, the multiunit classifier all includes two sets of support columns, two sets of spliced poles and places the board, the one end of two sets of support columns is all installed on the transmission post, rotatable coupling is respectively at the other end of two sets of support columns to the one end of two sets of spliced poles, the other end of two sets of spliced poles all with place the board and be connected, it is provided with the holding groove on the board to place, it is provided with waterlogging caused by excessive rainfall punch combination to.

The utility model discloses a lithium battery drying device still includes cushion collar, multiunit buffer spring and multiunit buffer board, and the cushion collar is installed in the work box front side, is provided with the cushion chamber in the cushion collar, and multiunit buffer spring one end all is connected with the inside lateral wall of cushion chamber, and the multiunit buffer spring other end is connected with the multiunit buffer board respectively, and the motor clamps between the multiunit buffer board, and the intercommunication is provided with the ventilation hole group on the cushion collar lateral wall, and the transmission post rear end passes the back lateral wall in the cushion collar and stretches out to the cushion collar outside.

The utility model discloses a lithium battery drying device, back lateral wall are provided with the standing groove in the work box to rotatable ball bearing that is fixed with in the inside of standing groove, the fastening of transmission post rear end is inside to ball bearing, and work box front side intercommunication is provided with the second and leads to the groove, and passes second bearing group and stretch into to the work box inside at the rotatable second that is fixed with of second through inslot lateral wall, transmission post rear end.

The utility model discloses a lithium battery drying device, every group is placed the inboard left and right sides wall and is all connected with the jump ring to all be connected with the cardboard in two sets of jump rings inboards.

The utility model discloses a lithium battery drying device keeps off to cover the intercommunication on the lateral wall and is provided with the observation hole to be provided with transparent baffle in the sealed of observation hole department.

The utility model discloses a lithium battery drying device, still include the handle, the apparatus further comprises a rotating shaft, drive the post, brush hair and sealing washer, the handle is located the outside of work box, it all is located the work box to drive post and brush hair, the one end and the handle of pivot are connected, the other end of pivot passes transparent baffle and stretches into to the work intracavity and drive the leg joint, the brush hair is installed on driving the post, and the brush hair pastes tight transparent baffle, the sealing washer is located the work box, and the rotatable tight suit of pasting of sealing washer is in the outside of pivot, one side and the transparent baffle of sealing washer paste tightly and are connected.

The utility model discloses a lithium battery drying device still includes two sets of support frames, and the one end of two sets of support frames is passed cushion collar top bottom both sides wall respectively and all stretches into to inside being connected with the motor of cushion collar, and the two sets of support frame other ends all are connected with the work box front side.

Compared with the prior art, the beneficial effects of the utility model are that: the exhaust fan can be started, gas is pumped into the adsorption box through the exhaust fan, water in the working box is adsorbed through the adsorption carbon, the action is circulated, the replacement cover can be opened to replace the adsorption carbon, the using effect of the adsorption carbon is improved, the adsorption carbon is common materials in the market and can be directly used after being bought, the exhaust fan is a common electrical device in the market, the adsorption carbon can be used after being bought and used only by being electrically connected according to the instruction book bought together, therefore, the explanation is omitted, the inside of the working box can be dried conveniently, the drying speed of accessories in the working box can be accelerated, the working effect is optimized, the practicability of the lithium battery drying device is improved, the stirring rod group can be driven to stir the adsorption carbon through manually rotating the rotating handle, the use of the adsorption carbon is more uniform, the waste is reduced, and the rotation of the rotating shaft is more smooth through the assistance of the first bearing group, and conveniently carry out vertical spacing to the axis of rotation when sealed through two sets of sealed spacing collars, make things convenient for it to only rotate and not longitudinal movement, two sets of bradyseism springs drive two sets of bradyseism pieces and extrude the bradyseism to the exhaust fan, improve the practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a right side view of the cushion collar, sorter and work box connection;

FIG. 3 is a schematic view of the connection structure of the motor, the buffer sleeve and the buffer plate;

FIG. 4 is an enlarged partial view of portion A of FIG. 2;

in the drawings, the reference numbers: 1. a work box; 2. a blocking cover; 3. a handle; 4. heating plates; 5. an air inlet pipe; 6. an exhaust duct; 7. an exhaust fan; 8. an adsorption box; 9. replacing the cover; 10. an air inlet pipe; 11. a filter screen; 12. an exhaust pipe; 13. turning a handle; 14. driving a shaft; 15. a rotating shaft; 16. a stirring rod set; 17. a cushioning plate; 18. a shock absorption block; 19. a motor; 20. a drive post; 21. a support pillar; 22. connecting columns; 23. placing the plate; 24. a draining hole group; 25. a buffer sleeve; 26. a buffer plate; 27. clamping a plate; 28. a transparent baffle; 29. a handle; 30. a rotating shaft; 31. driving the column; 32. brushing; 33. a support frame.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the lithium battery drying device of the present invention comprises a working box 1, a working chamber is arranged inside the working box 1, an operation opening is arranged on the left side of the working box 1, a blocking cover 2 is hinged at the operation opening, a handle 3 is arranged on the left side of the blocking cover 2, and a heating plate 4 is arranged on the inner top side wall of the working box 1; the upper side and the lower side of the right side of the working box 1 are respectively communicated with an air inlet pipe 5 and an air outlet pipe 6 in a sealing way, the air outlet pipe 6 is communicated with an exhaust fan 7 in a sealing way, the adsorption box 8 is arranged on the right side of the working box 1, an adsorption cavity is arranged inside the adsorption box 8, the top end of the adsorption box 8 is communicated with a replacement port, a replacement cover 9 is arranged at the replacement port, adsorption carbon is placed inside the adsorption cavity, the bottom end of the working box 1 is communicated with an air inlet pipe 10 in a sealing way, a filter screen 11 is arranged at the output end of the air inlet pipe 10, the input end of the air inlet pipe 10 is communicated with a flange of the air outlet pipe 6 in a sealing way, the upper side of the right side of the adsorption box 8 is communicated with an exhaust pipe 12 in a sealing way, the exhaust pipe 12 is communicated with a flange of the input end of the air inlet pipe 5 in a sealing way, the stirring rod set, the stirring rod group 16 is installed on the rotating shaft 15, the top end of the replacing cover 9 is communicated with and provided with a first through groove, a first bearing group is rotatably fixed on the inner side wall of the first through groove, the bottom end of the rotating shaft 15 penetrates through the first bearing group and extends into the adsorption box 8, two groups of sealing limiting rings are fixedly sleeved on the outer side of the rotating shaft 15 and are respectively contacted with the top end and the bottom end of the replacing cover 9, the stirring rod group further comprises two groups of cushioning plates 17, two groups of cushioning springs and two groups of cushioning blocks 18, the left ends of the two groups of cushioning plates 17 are both installed on the right side of the working box 1, one ends of the two groups of cushioning springs are respectively connected with the inner sides of the two groups of cushioning plates 17, the other ends of the two groups of cushioning springs are respectively connected with the two groups; the exhaust fan can be started, gas is pumped into the adsorption box through the exhaust fan, water in the working box is adsorbed through the adsorption carbon, the action is circulated, the replacement cover can be opened to replace the adsorption carbon, the using effect of the adsorption carbon is improved, the adsorption carbon is common materials in the market and can be directly used after being bought, the exhaust fan is a common electrical device in the market, the adsorption carbon can be used after being bought and used only by being electrically connected according to the instruction book bought together, therefore, the explanation is omitted, the inside of the working box can be dried conveniently, the drying speed of accessories in the working box can be accelerated, the working effect is optimized, the practicability of the lithium battery drying device is improved, the stirring rod group can be driven to stir the adsorption carbon through manually rotating the rotating handle, the use of the adsorption carbon is more uniform, the waste is reduced, and the rotation of the rotating shaft is more smooth through the assistance of the first bearing group, and conveniently carry out vertical spacing to the axis of rotation when sealed through two sets of sealed spacing collars, make things convenient for it to only rotate and not longitudinal movement, two sets of bradyseism springs drive two sets of bradyseism pieces and extrude the bradyseism to the exhaust fan, improve the practicality.

The utility model discloses a lithium battery drying device, still include motor 19 and transmission post 20, transmission post 20 front end is connected with motor 19 rear portion output, still include the multiunit classifier, the multiunit classifier all is located work box 1 inside, the multiunit classifier all includes two sets of support columns 21, two sets of spliced pole 22 and places board 23, the one end of two sets of support columns 21 is all installed on transmission post 20, the one end of two sets of spliced pole 22 is rotatable connection respectively at the other end of two sets of support columns 21, the other end of two sets of spliced pole 22 all is connected with placing board 23, be provided with on placing board 23 and hold the groove, placing board 23 bottom intercommunication is provided with waterlogging caused by excessive rainfall punch combination 24; it can place the accessory respectively into the multiunit place the board on hold the inslot, the motor drives multiunit support column group on the transmission post and rotates at the uniform velocity, it is the same each other easily to make accessory stoving degree, the use reliability is improved, the spliced pole hub connection makes under the effect of gravity to hold the groove and lie in all the time and place the board directly over, the stability is placed to the improvement accessory, the motor is the common electrical part in market, only need to connect according to the instruction manual electricity that together buys back when using and can use, the event is no longer repeated here.

The utility model discloses a lithium battery drying device, still include cushion collar 25, multiunit buffer spring and multiunit buffer board 26, cushion collar 25 is installed in the front side of work box 1, be provided with the cushion chamber in the cushion collar 25, multiunit buffer spring one end all is connected with the inside wall of cushion chamber, the multiunit buffer spring other end is connected with multiunit buffer board 26 respectively, motor 19 clamps between multiunit buffer board 26, it is provided with the ventilation hole group to communicate on the cushion collar 25 side wall, the rear end of drive column 20 passes the inside rear side wall of cushion collar 25 and stretches out to the outside of cushion collar 25; it can be fixed the motor through the multiunit buffer board, meanwhile, can extrude rocking that takes place of buffering motor during operation through multiunit buffer spring to slow down the damage of motor and transmission post, prolong its life, the convenient motor heat dissipation of ventilation hole group.

The utility model discloses a lithium battery drying device, the rear side wall is provided with the standing groove in work box 1 to rotatable the being fixed with ball bearing in the standing groove, the chucking of transmission post 20 rear end is to the ball bearing inside, the front side intercommunication of work box 1 is provided with the second through-groove, and rotatable the being fixed with the second bearing group in the second through-groove inside wall, the transmission post 20 rear end passes the second bearing group and stretches into to the work box 1 inside; it can be more smooth and easy through second bearing group and ball bearing auxiliary transmission post rotation.

In the lithium battery drying device of the utility model, the left and right side walls in each group of the placing plates 23 are connected with the snap springs, and the inner sides of the two groups of snap springs are connected with the snap plates 27; it can drive two sets of cardboards through two sets of jump rings and press from both sides the dress to the accessory that holds the inslot and fix, and further convenient firm the placing and conveniently get and put.

In the lithium battery drying device of the utility model, the side wall of the baffle cover 2 is communicated with an observation hole, and a transparent baffle 28 is arranged at the observation hole in a sealing way; it can conveniently observe the inside condition of work box through transparent baffle, makes its use comparatively convenient.

The utility model discloses a lithium battery drying device, still include handle 29, pivot 30, drive post 31, brush hair 32 and sealing washer, handle 29 is located the outside of work box 1, drive post 31 and brush hair 32 and all be located work box 1, the one end of pivot 30 is connected with handle 29, the other end of pivot 30 passes transparent baffle 28 and stretches into in the work chamber and be connected with drive post 31, brush hair 32 is installed on drive post 31, and brush hair 32 pastes tight transparent baffle 28, the sealing washer is located work box 1, and the rotatable tight suit that pastes of sealing washer is in the outside of pivot 30, one side of sealing washer pastes tight connection with transparent baffle 28; it can make it drive the brush hair through manual rotation handle and clear up transparent baffle when transparent baffle is dirty or sheltered from by the fog, further improves the practicality.

The utility model discloses a lithium battery drying device, still include two sets of support frames 33, one end of two sets of support frames 33 passes the top and bottom both sides wall of cushion collar 25 respectively and all stretches into the inside of cushion collar 25 and is connected with motor 19, the other end of two sets of support frames 33 all is connected with the front side of work box 1; it can improve motor stability through two sets of link.

The utility model discloses a lithium battery drying device, it is at work, can open the exhaust fan, take gas into the absorption box through the exhaust fan, adsorb the moisture in the work box through the adsorption carbon, and circulate this action, can open and change the lid and change the adsorption carbon, improve its result of use, the adsorption carbon is common material in the market, buy back and use directly, the exhaust fan is common electrical part in the market, only need to be connected according to the instruction electricity that purchases back together when buying back and using and can use, therefore no longer give consideration to here, the work box inside can conveniently be dried, can accelerate the inside accessory drying speed of work box, optimize the work effect, thereby improve its practicality lithium battery drying device, can make it drive stirring stick group to the adsorption carbon to stir through manual rotation commentaries on classics, make things convenient for the adsorption carbon use more evenly, reduce waste, the rotation shaft is more smoothly assisted to rotate through the first bearing group, the rotation shaft is conveniently limited longitudinally while being sealed through the two groups of sealing limiting rings, the rotation shaft is convenient to rotate only and does not move longitudinally, the two groups of cushioning springs drive the two groups of cushioning blocks to extrude and cushion the exhaust fan, and the practicability is improved; accessories can be placed into the containing grooves in the multiple groups of placing plates respectively, the motor drives the multiple groups of supporting column groups on the transmission columns to rotate at a constant speed, so that the drying degrees of the accessories are easy to be mutually identical, the use reliability is improved, the connecting columns are connected in a shaft mode, the containing grooves are always located right above the placing plates under the action of gravity, the placing stability of the accessories is improved, the motor is a common electric device in the market, and the electric device can be used only by being electrically connected according to a use instruction purchased together when being bought back for use, so that the details are not repeated; the motor can be fixed through the plurality of groups of buffer plates, and meanwhile, the shaking generated when the motor works can be extruded and buffered through the plurality of groups of buffer springs, so that the damage of the motor and the transmission column is reduced, the service life of the motor is prolonged, and the ventilation hole group is convenient for the heat dissipation of the motor; the rotation of the transmission column can be more smoothly assisted by the second bearing group and the ball bearing; the two clamping plates can be driven by the two groups of clamping springs to clamp and fix the accessories in the containing grooves, so that the accessories are further conveniently and stably placed and are conveniently taken and placed; the inside condition of the working box can be conveniently observed through the transparent baffle plate, so that the working box is more convenient to use; when the transparent baffle is dirty or shielded by fog, the handle can be manually rotated to drive the brush hairs to clean the transparent baffle, so that the practicability is further improved; the stability of the motor can be improved through the two groups of connecting frames.

The utility model discloses a lithium battery drying device, above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical mode, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, sealed intercommunication is sealed when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the area technique, as long as can reach all implementation of its beneficial effect, above-mentioned all with the electric module and with the common electrical part in market, buy when returning to the use only need connect according to the mutual electricity of the instruction manual of buying back together and can use, and control module is its common from taking the module, so all no longer redundantly describe here.

In the lithium battery drying device of the utility model, under the condition that no opposite explanation is given, the orientation words contained in the terms such as "up, down, left, right, front, back, inside and outside, vertical and horizontal" only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A lithium battery drying device comprises a working box (1), wherein a working cavity is arranged in the working box (1), the left side of the working box (1) is communicated with an operation opening, a blocking cover (2) is hinged to the operation opening, a handle (3) is arranged on the left side of the blocking cover (2), and a heating plate (4) is arranged on the inner top side wall of the working box (1); the air suction device is characterized in that the upper side and the lower side of the right side of a working box (1) are respectively communicated with an air inlet pipe (5) and an air exhaust pipe (6) in a sealing manner, the air exhaust pipe (6) is communicated with an exhaust fan (7) in an upper sealing manner, the air suction device further comprises an adsorption box (8), the adsorption box (8) is installed on the right side of the working box (1), an adsorption cavity is arranged inside the adsorption box (8), the top end of the adsorption box (8) is communicated with a replacement port, a replacement cover (9) is arranged at the replacement port, adsorption carbon is placed inside the adsorption cavity, an air inlet pipe (10) is communicated with the bottom end of the working box (1) in a sealing manner, a filter screen (11) is arranged at the output end of the air inlet pipe (10), the input end of the air inlet pipe (10) is communicated with the flange of the exhaust pipe (6) in a sealing manner, an exhaust pipe, The stirring rod set (16) is positioned inside the adsorption box (8), the rotating handle (13) is fixed on the outer side of the driving shaft (14), the top end of the rotating shaft (15) is connected with the driving shaft (14), the stirring rod set (16) is installed on the rotating shaft (15), the top end of the replacing cover (9) is provided with a first through groove in a communicating manner, a first bearing set is rotatably fixed on the inner side wall of the first through groove, the bottom end of the rotating shaft (15) penetrates through the first bearing set and extends into the adsorption box (8), two groups of sealing limiting rings are fixedly sleeved on the outer side of the rotating shaft (15), the two groups of sealing limiting rings are respectively contacted with the top end and the bottom end of the replacing cover (9), the stirring rod set further comprises two groups of shock absorption plates (17), two groups of shock absorption springs and two groups of shock absorption blocks (18), the left ends of the two groups of shock absorption plates (17) are both installed on the right side of the work box, one end of each of the two groups of cushioning springs is respectively connected with the inner sides of the two groups of cushioning plates (17), the other end of each of the two groups of cushioning springs is respectively connected with the two groups of cushioning blocks (18), and the exhaust fan (7) is clamped between the two groups of cushioning blocks (18).

2. The lithium battery drying device according to claim 1, further comprising a motor (19) and a transmission column (20), wherein the front end of the transmission column (20) is connected with the rear output end of the motor (19), and further comprising a plurality of sets of classifiers, the plurality of sets of classifiers are located inside the work box (1), the plurality of sets of classifiers each comprise two sets of support columns (21), two sets of connection columns (22) and a placement plate (23), one ends of the two sets of support columns (21) are mounted on the transmission column (20), one ends of the two sets of connection columns (22) are respectively rotatably connected to the other ends of the two sets of support columns (21), the other ends of the two sets of connection columns (22) are connected with the placement plate (23), the placement plate (23) is provided with a containing groove, and the bottom end of the placement plate (23) is provided with a draining hole group (.

3. The lithium battery drying device according to claim 2, further comprising a buffer sleeve (25), a plurality of groups of buffer springs and a plurality of groups of buffer plates (26), wherein the buffer sleeve (25) is installed on the front side of the working box (1), a buffer cavity is arranged in the buffer sleeve (25), one end of each group of buffer springs is connected with the inner side wall of the buffer cavity, the other end of each group of buffer springs is connected with the plurality of groups of buffer plates (26), the motor (19) is clamped between the plurality of groups of buffer plates (26), the side walls of the buffer sleeve (25) are communicated with and provided with a ventilation hole group, and the rear end of the transmission column (20) penetrates through the inner rear side wall of the buffer sleeve (25) and extends out of the buffer sleeve (25).

4. The lithium battery drying device as claimed in claim 3, characterized in that the inner rear side wall of the working box (1) is provided with a placing groove, a ball bearing is rotatably fixed in the placing groove, the rear end of the transmission column (20) is clamped in the ball bearing, the front side of the working box (1) is communicated with a second through groove, a second bearing set is rotatably fixed on the inner side wall of the second through groove, and the rear end of the transmission column (20) passes through the second bearing set and extends into the working box (1).

5. The lithium battery drying device as claimed in claim 4, wherein the left and right side walls of each set of placing plates (23) are connected with snap springs, and the inside of the two sets of snap springs are connected with snap plates (27).

6. The lithium battery drying device as claimed in claim 5, wherein the side wall of the blocking cover (2) is provided with a viewing hole in communication therewith, and a transparent baffle (28) is hermetically arranged at the viewing hole.

7. The lithium battery drying device as claimed in claim 6, further comprising a handle (29), a rotating shaft (30), a driving post (31), bristles (32) and a sealing ring, wherein the handle (29) is located outside the working box (1), the driving post (31) and the bristles (32) are both located inside the working box (1), one end of the rotating shaft (30) is connected with the handle (29), the other end of the rotating shaft (30) penetrates through the transparent baffle (28) and extends into the working cavity to be connected with the driving post (31), the bristles (32) are mounted on the driving post (31), the bristles (32) are tightly attached to the transparent baffle (28), the sealing ring is located inside the working box (1), the sealing ring is rotatably and tightly attached to the outer side of the rotating shaft (30), and one side of the sealing ring is tightly attached to the transparent baffle (28).

8. The lithium battery drying device as claimed in claim 7, further comprising two sets of support frames (33), wherein one ends of the two sets of support frames (33) respectively penetrate through two side walls of the top and the bottom of the buffer sleeve (25) and respectively extend into the buffer sleeve (25) to be connected with the motor (19), and the other ends of the two sets of support frames (33) are respectively connected with the front side of the working box (1).