CN213454537U

CN213454537U - Lithium battery vacuum baking device

Info

Publication number: CN213454537U
Application number: CN202022159381.1U
Authority: CN
Inventors: 宋海生; 王银良; 王需要
Original assignee: Jiangsu Lesiyuan New Energy Technology Co ltd
Current assignee: Jiangsu Lesiyuan New Energy Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-15
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a lithium battery vacuum baking device in the technical field of vacuum baking equipment, which comprises a box body, wherein the left side of the box body is provided with a motor, the front end of the motor is fixedly connected with a driving gear, the driving gear is meshed with a driven gear, the driven gear is fixedly connected with a rotating shaft, the rotating shaft penetrates through the left side plate to the right side plate of the box body, the rotating shaft in the box body is fixedly connected with a supporting frame, two opposite inner sides of the supporting frame are fixedly connected with a supporting rod, the supporting rod is rotatably connected with a hanging rod, the lower end of the hanging rod is fixedly connected with a slide bar, the slide bar is slidably connected with a lithium battery placing box, the lower end in the box body is provided with a heating pipe, the left side of the upper end of the box body is communicated with a nitrogen device through a conveying pipe, the problem of uneven quality caused by incomplete evaporation of partial water in the lithium batteries in the same batch can be solved.

Description

Lithium battery vacuum baking device

Technical Field

The utility model relates to a vacuum baking equipment technical field specifically is a lithium cell vacuum baking equipment.

Background

At present, the lithium ion battery industry at home and abroad has a good development prospect, and the lithium ion battery is generally applied to portable electrical appliances such as a portable computer, a camera and mobile communication due to the unique performance advantages of the lithium ion battery. The currently developed high-capacity lithium ion battery is used in the electric automobile, is expected to become one of main power sources of the electric automobile in the 21 st century, and is applied to the aspects of artificial satellites, aerospace and energy storage. With the shortage of energy and the environmental pressure of the world. Lithium batteries are widely applied to the electric vehicle industry at present, and particularly, development and application of the lithium battery industry are promoted due to the appearance of lithium iron phosphate batteries. In order to ensure high quality of the lithium battery, the production environment of each process in the production process of the lithium battery needs to be strictly controlled.

In the production process of lithium cell, need adopt and toast the case to battery case, the pole piece, utmost point book and electric core carry out drying process, toast the inside moisture of battery into vapor, evaporate in the vacuum oven of battery outside, then the method of gaseous replacement of rethread, utilize the vapor in dry nitrogen gas takes the outside to the oven, avoid arousing the drum shell of battery and the problem that causes the low capacity of battery because of the reason of moisture, but traditional device is deposited lithium cell stack and is toasted together in a box, can not guarantee that being heated of every lithium cell is even, lead to the moisture content evaporation in the lithium cell incomplete, there is the uneven problem of quality in the lithium cell of wholesale. Therefore, the technical personnel in the field provide a lithium battery vacuum baking device to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell vacuum baking equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a lithium battery vacuum baking device comprises a box body, wherein a motor is arranged on the left side of the box body, a driving gear is fixedly connected at the front end of the motor, the driving gear is meshed with a driven gear, the driven gear is fixedly connected with a rotating shaft, the rotating shaft penetrates through a left side plate of the box body to a right side plate, the rotating shaft in the box body is fixedly connected with a supporting frame, two opposite inner sides of the supporting frames are fixedly connected with a supporting rod, a hanging rod is rotatably connected on the supporting rod, the lower end of the hanging rod is fixedly connected with a sliding strip, the sliding strip is slidably connected with a lithium battery placing box, a heating pipe is arranged at the lower end in the box body, the left side of the upper end of the box body is communicated with a nitrogen device through a conveying pipe, the right side of the upper end of the box body is, the inner fixed connection lug of protecgulum, the lug outer lane is provided with the round sealed pad, protecgulum outer end opposite side center is provided with locking mechanism, has a rotatory mechanism in this device, leaves the lithium cell tiling in every lithium cell places the box, and the lithium cell is placed the box and can be followed the pivot and rotate together, can guarantee that the being heated of every lithium cell is even, and moisture content evaporation in the lithium cell is complete, can not appear with criticizing the lithium cell and have partial moisture content evaporation incomplete and lead to the uneven problem of quality.

As a further aspect of the present invention: locking mechanism includes the rotary column support, rotary column support fixed connection is in protecgulum outer end one side middle part, rotate between the rotary column support and connect the rotary column, rotary column center fixed connection thread bush, threaded sleeve internal thread connection threaded rod, the one end of threaded rod one end fixed connection cushion, the other end fixed connection carousel of cushion, the locking mechanical system middle threaded rod card of protecgulum goes into in the locking lever, rotates the carousel again, and the carousel drives the threaded rod and advances in the thread bush internal rotation, and the locking lever is crowded to the cushion, can guarantee the leakproofness of whole device.

As a further aspect of the present invention: the outer end face of the left side plate and the outer end face of the right side plate of the lithium battery placing box are provided with sliding strip grooves, sliding strips are connected in the sliding strip grooves in a sliding mode and slide into the sliding strip grooves, and the lithium battery placing box is convenient to draw and store.

As a further aspect of the present invention: vacuum pump unit can dismantle the connection on box upper end surface right side, nitrogen gas device can dismantle the connection in box upper end surface left side, can dismantle the connection and make things convenient for installation in earlier stage, makes things convenient for later stage maintenance to change.

As a further aspect of the present invention: the motor is fixedly connected with the motor support, the lower end of the motor support is fixedly connected with the ground, and the motor support ensures the stability of the motor, so that the motor is fixedly connected with the ground.

As a further aspect of the present invention: the threaded sleeve is a hollow tube, the inner wall of the threaded sleeve is provided with threads corresponding to the threaded rod, the threaded rod is in threaded connection with the threaded sleeve, the threaded rod rotates in the threaded sleeve, and when the lock rod is tightly extruded by the cushion block, the front cover is locked at the front end of the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, after the front cover is locked, the vacuum pump device is opened to work, the vacuum pump device evacuates the air in the box body through the vacuum tube, the heating tube works at the same time, the motor is opened to work, the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, the rotating shaft drives the supporting frame and the supporting rod to rotate, because the hanging rod rotates to connect the supporting rod, the lithium battery placing box is ensured to rotate along with the hanging rod, but the gravity center is downward all the time, the lithium battery placing box can be ensured not to be reversed, the lithium battery can not be overturned to be out of the lithium battery placing box, the lithium battery is flatly laid and stored in each lithium battery placing box, the lithium battery placing box can rotate along with the rotating shaft, the uniform heating of each lithium battery can be ensured, the moisture, in the baking process, the vacuum pumping is finished, the vacuum pump device is closed, the nitrogen device is opened, dry nitrogen enters the box body through the conveying pipe, the dry nitrogen can replace moisture baked out of the box body, the vacuum pump device is opened again, moisture and nitrogen in the box body are extracted, and the vacuum drying is guaranteed in the box body all the time.

2. The utility model discloses in, when drying the lithium cell through using the device, at first equally divide the lithium cell and divide the flatly to spread in every lithium cell places the box, then close the protecgulum, the opening of box front end is just gone into to the size of protecgulum inner fixed connection's lug, the lug has round sealed pad all around, the sealed opening that can seal up protecgulum and box front end, need lock the protecgulum after closing the protecgulum, go into the locking lever with the threaded rod card through rotatory rotary column, the carousel rotates again, the carousel drives the threaded rod and advances in the interior rotation of threaded sleeve, the tight locking lever of cushion is crowded, just fixed the protecgulum, guarantee when evacuation is dried, the leakproofness of whole device.

Drawings

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

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of the connection structure between the lithium battery storage box and the rotating shaft;

fig. 4 is a schematic structural view of the connection between the middle threaded rod and the threaded sleeve.

In the figure: 1. a driving gear; 2. a lock lever; 3. a lithium battery housing box; 4. heating a tube; 5. a bump; 6. a gasket; 7. a front cover; 8. a threaded rod; 9. a turntable; 10. a column support; 11. a vacuum tube; 12. vacuum pump means; 13. a delivery pipe; 14. a nitrogen device; 15. a driven gear; 16. a motor; 17. a motor bracket; 18. a hinge; 19. a threaded sleeve; 20. turning the column; 21. a box body; 22. a rotating shaft; 23. a support frame; 24. a hanging rod; 25. a slide bar; 26. a support bar; 27. and a cushion block.

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. 1-4, in the embodiment of the present invention, a lithium battery vacuum baking apparatus includes a box 21, a motor 16 is disposed on the left side of the box 21, a driving gear 1 is fixedly connected to the front end of the motor 16, the driving gear 1 is engaged with a driven gear 15, the driven gear 15 is fixedly connected to a rotating shaft 22, the rotating shaft 22 passes through the left side plate to the right side plate of the box 21, the rotating shaft 22 inside the box 21 is fixedly connected to a supporting frame 23, a supporting rod 26 is fixedly connected to the inner sides of the two opposite supporting frames 23, a hanging rod 24 is rotatably connected to the supporting rod 26, a sliding strip 25 is fixedly connected to the lower end of the hanging rod 24, the sliding strip 25 is slidably connected to a lithium battery placing box 3, a heating pipe 4 is disposed at the lower end inside the box 21, a nitrogen device 14 is communicated with the left side of the upper end of the, the one side of connecting protecgulum 7 is rotated through hinge 18 to box 21 front end one side, the inner fixed connection lug 5 of protecgulum 7, lug 5 outer lane is provided with the sealed 6 of round, 7 outer end opposite side centers of protecgulum are provided with locking mechanism, there is a rotatory mechanism in this device, place the lithium cell tiling in every lithium cell places box 3, the lithium cell is placed box 3 and can is followed pivot 22 and is rotated together, can guarantee that being heated of every lithium cell is even, moisture content evaporation in the lithium cell is complete, the lithium cell that has partial moisture content evaporation with criticizing can not appear and incompletely lead to the uneven problem of quality.

The locking mechanism comprises a rotary column support 10, the rotary column support 10 is fixedly connected to the middle of one side of the outer end of the front cover 7, a rotary column 20 is rotatably connected between the rotary column supports 10, a threaded sleeve 19 is fixedly connected to the center of the rotary column 20, a threaded rod 8 is connected with the threaded sleeve 19 in a threaded manner, one end of the threaded rod 8 is fixedly connected with one end of a cushion block 27, the other end of the cushion block 27 is fixedly connected with a rotary table 9, the threaded rod 8 in the locking mechanism of the front cover 7 is clamped into the lock rod 2, the rotary table 9 is rotated, the rotary table 9 drives the threaded rod 8 to rotate and advance in the threaded sleeve 19, and the cushion block 27 tightly; the outer terminal surface of the left and right sides board of lithium cell placing box 3 has seted up the draw runner groove, and sliding connection has draw runner 25 in the draw runner groove, and draw runner 25 slides in the draw runner groove, makes things convenient for the lithium cell to place box 3's extraction and deposit.

The vacuum pump device 12 is detachably connected to the right side of the outer surface of the upper end of the box body 21, the nitrogen device 14 is detachably connected to the left side of the outer surface of the upper end of the box body 21, and the detachable connection facilitates early-stage installation and manufacturing and later-stage maintenance and replacement; the motor 16 is fixedly connected with a motor bracket 17, the lower end of the motor bracket 17 is fixedly connected with the ground, and the motor bracket 17 is fixedly connected with the ground because the stability of the motor 16 is ensured; the thread bush 19 is the hollow tube, and 19 inner walls of thread bush are provided with the screw thread that corresponds with threaded

rod

8, and 8 threaded connection thread bushes 19 of threaded rod through threaded rod 8 at 19 internal rotations of thread bush, when the crowded tight locking lever 2 of cushion 27, just locked protecgulum 7 at the box 21 front end, simple structure, convenient operation saves time, and is sealed effectual.

The utility model discloses a theory of operation is: when the device is used for drying the lithium batteries, firstly, the lithium batteries are evenly spread in each lithium battery placing box 3, then the front cover 7 is closed, the size of the convex block 5 fixedly connected with the inner end of the front cover 7 is just clamped into the opening at the front end of the box body 21, a circle of sealing gasket 6 is arranged around the convex block 5, the sealing gasket 6 can seal the openings at the front end of the front cover 7 and the front end of the box body 21, the front cover 7 needs to be locked after the front cover 7 is closed, the threaded rod 8 is clamped into the locking rod 2 through the rotating rotary column 20, then the rotary disc 9 is rotated, the threaded rod 8 is driven to rotate and advance in the threaded sleeve 19, the cushion block 27 tightly extrudes the locking rod 2, the front cover 7 is fixed, the sealing performance of the whole device is ensured during vacuum drying, after the front cover 7 is locked, the vacuum pump device 12 is opened to work, the vacuum pump device 12 evacuates air in, then the motor 16 is turned on to work, the motor 16 drives the driving gear 1 to rotate, the driving gear 1 drives the driven gear 15 to rotate, the driven gear 15 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the supporting frame 23 and the supporting rod 26 to rotate, the supporting rod 26 is connected with the hanging rod 24 in a rotating manner, the lithium battery placing box 3 is guaranteed to rotate along with the hanging rod 24, but the center of gravity is always downward, the lithium battery placing box 3 can be guaranteed not to rotate reversely, lithium batteries can not fall out of the lithium battery placing box 3, the lithium batteries are flatly laid in each lithium battery placing box 3, the lithium battery placing box 3 can rotate along with the rotating shaft 22, the uniform heating of each lithium battery can be guaranteed, the moisture in the lithium batteries is completely evaporated, the problem of uneven quality caused by incomplete evaporation of partial moisture in the same batch of lithium batteries can be avoided, open nitrogen unit 14, dry nitrogen gas is in conveyer pipe 13 gets into box 21, and dry nitrogen gas can replace the moisture content of toasting out at box 21, opens vacuum pump unit 12 again, extracts moisture content and nitrogen gas in the box 21, guarantees to guarantee vacuum drying throughout in the box 21, so relapse, and until moisture content is dried in the lithium cell, a job finishes.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell vacuum baking equipment, includes box (21), its characterized in that: the lithium battery box is characterized in that a motor (16) is arranged on the left side of the box body (21), the front end of the motor (16) is fixedly connected with a driving gear (1), the driving gear (1) is meshed with a driven gear (15), the driven gear (15) is fixedly connected with a rotating shaft (22), the rotating shaft (22) penetrates through the left side plate to the right side plate of the box body (21), two ends of the rotating shaft (22) in the box body (21) are fixedly connected with supporting frames (23), two opposite supporting rods (26) are fixedly connected with the inner sides of the supporting frames (23), hanging rods (24) are rotatably connected on the supporting rods (26), the lower ends of the hanging rods (24) are fixedly connected with sliding strips (25), the sliding strips (25) are slidably connected with a lithium battery placing box (3), a heating pipe (4) is arranged at the lower end inside the box body (21), and the left side of the, the vacuum pump device (12) is communicated with the right side of the upper end of the box body (21) through the vacuum tube (11), the left side end of the box body (21) is close to the front fixed connection lock rod (2), one side of the front end of the box body (21) is rotatably connected with one side of the front cover (7) through the hinge (18), the inner end of the front cover (7) is fixedly connected with the lug (5), the outer ring of the lug (5) is provided with a circle of sealing gasket (6), and the center of the other side of the outer end of the front cover (7) is provided with.

2. The lithium battery vacuum baking device of claim 1, characterized in that: locking mechanism includes rotary column support (10), rotary column support (10) fixed connection is in protecgulum (7) outer end one side middle part, rotate between rotary column support (10) and connect rotary column (20), rotary column (20) center fixed connection thread bush (19), thread bush (19) female connection threaded rod (8), the one end of threaded rod (8) one end fixed connection cushion (27), other end fixed connection carousel (9) of cushion (27).

3. The lithium battery vacuum baking device of claim 1, characterized in that: the outer end faces of the left side plate and the right side plate of the lithium battery placing box (3) are provided with sliding strip grooves, and sliding strips (25) are connected in the sliding strip grooves in a sliding mode.

4. The lithium battery vacuum baking device of claim 1, characterized in that: the vacuum pump device (12) can be detachably connected to the right side of the outer surface of the upper end of the box body (21), and the nitrogen device (14) can be detachably connected to the left side of the outer surface of the upper end of the box body (21).

5. The lithium battery vacuum baking device of claim 1, characterized in that: the motor (16) is fixedly connected with a motor support (17), and the lower end of the motor support (17) is fixedly connected with the ground.

6. The lithium battery vacuum baking device of claim 2, characterized in that: the threaded sleeve (19) is a hollow tube, threads corresponding to the threaded rod (8) are arranged on the inner wall of the threaded sleeve (19), and the threaded rod (8) is in threaded connection with the threaded sleeve (19).