CN216354366U

CN216354366U - Lithium ion battery preparation is with electrolyte lithium salt concentration transfer device

Info

Publication number: CN216354366U
Application number: CN202122443480.7U
Authority: CN
Inventors: 刘叶
Original assignee: Individual
Current assignee: Hunan Dajing New Material Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-19
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses an electrolyte lithium salt concentration adjusting device for lithium ion battery preparation, which relates to the technical field of lithium batteries and comprises a concentration adjusting box, wherein a first rotating shaft is movably connected to the bottom surface inside the concentration adjusting box. According to the utility model, the motor, the first rotating shaft, the second rotating shaft, the fixed block, the clamping block, the sliding block, the connecting rod and the connecting block are matched with each other to drive the first stirring rod and the second stirring rod to rotate, so that the sufficient mixing between an organic solvent and an electrolyte can be accelerated, the effect of adjusting the concentration of lithium salt in the electrolyte can be achieved, the installation process of the side cleaning block can be more convenient through the arranged bolt seat, and the cleaning process of the inner side of the concentration adjusting box can be realized through the arranged side cleaning block.

Description

Lithium ion battery preparation is with electrolyte lithium salt concentration transfer device

Technical Field

The utility model relates to a lithium ion battery preparation device, in particular to an electrolyte lithium salt concentration adjusting device for lithium ion battery preparation.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation lithium metal battery of rechargeable battery was born in 1996, which has better safety, specific capacity, self-discharge rate and cost performance than lithium ion batteries, and the lithium battery electrolyte is an ion-transport carrier in the battery, generally comprises lithium salt and organic solvent, and a proper amount of organic solvent is added to adjust the concentration of lithium salt in the electrolyte during the preparation process of the electrolyte.

When the current lithium ion battery preparation device is used, some defects and shortcomings still exist, and the specific places needing improvement are as follows:

the conventional lithium ion battery preparation device needs to clean the interior of the device after being used, but the conventional lithium ion battery preparation device is complex to operate in the cleaning process, and the normal use of the device is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electrolyte lithium salt concentration adjusting device for lithium ion battery preparation, which aims to solve the problems that the conventional lithium ion battery preparation device provided in the background art needs to clean the interior of the conventional lithium ion battery preparation device after being used, but the conventional lithium ion battery preparation device is complicated to operate in the cleaning process, and the normal use of the conventional lithium ion battery preparation device is seriously influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lithium ion battery preparation is with electrolyte lithium salt concentration adjusting device, includes the concentration control case, swing joint has pivot one on the inside bottom surface of concentration control case, the square piece of downside fixedly connected with of pivot one, square piece all sets up about through it articulated seat all sets up with two relatively lean on a puddler swing joint of near-end all to be provided with articulated piece, the equal fixedly connected with gag lever post of square piece upper surface left and right sides, two both ends about the upper end difference fixed connection of gag lever post is at the fixture block lower surface, fixture block fixed connection is in the upper end of pivot one, the fixture block is through its inside draw-in groove and the fixed block swing joint of seting up, fixed block fixed connection is at the lower extreme of pivot two, the upper end fixed connection of pivot two is on motor output shaft, motor fixed connection is in the upper end of case lid, the case lid is through its about the bolt that both ends all set up respectively with the concentration that the jack was all seted up to the upper end left and right sides and is transferred The node boxes are movably connected.

As a preferable technical scheme of the utility model, the two first stirring rods are respectively and fixedly connected with the two bottom cleaning blocks through two connecting rods arranged on the first stirring rods, the connecting blocks are respectively and fixedly connected to the middle positions of the two first stirring rods, and the two connecting blocks are respectively and movably connected with the two connecting rods through the other hinged seats arranged on the two connecting blocks.

As a preferable technical scheme of the utility model, the upper ends of the two connecting rods are respectively movably connected with the left side and the right side of the lower surface of the sliding block, and the sliding block is movably connected with the first rotating shaft through a circular through hole arranged in the middle of the sliding block.

As a preferred technical scheme, a first spring is sleeved on the rotating shaft, the lower end of the first spring is fixedly connected to the upper end of the sliding block, the upper end of the first spring is fixedly connected to the lower surface of the clamping block, and the sliding block is movably connected with the two limiting rods through circular holes formed in the left side and the right side of the sliding block.

According to a preferable technical scheme of the utility model, the left end and the right end of the second rotating shaft are fixedly connected with two second stirring rods, every two of the four second stirring rods are in threaded connection with four bolt seats with adjusting bolts arranged inside through threaded holes formed in opposite far ends of the four second stirring rods, every two of the four bolt seats are in threaded connection with opposite near surfaces of two side cleaning blocks, and the lower sides of the opposite near surfaces of the two side cleaning blocks are fixedly connected with pressing plates.

As a preferred technical scheme, two springs are arranged on two pins, the relatively close ends of the two springs are fixedly connected to the left end and the right end of a box cover respectively, the relatively far ends of the two springs are fixedly connected to the relatively far sides of the two pins respectively, a discharge pipe is arranged on the lower side of the right end of a concentration adjusting box, four support legs are uniformly arranged at the lower end of the concentration adjusting box, a cover plate is arranged on the box cover through a discharge hole formed in the box cover, and handles are arranged on the left side and the right side of the upper surface of the box cover.

As a preferable technical scheme of the present invention, a storage battery and a controller are disposed on an upper surface of the box cover, an output end of the controller is electrically connected to an input end of a motor, an input end of the controller is electrically connected to an output end of the storage battery, and the motor is of ZA-68KTYZ type.

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

the utility model can drive the arranged first stirring rod and the second stirring rod to rotate by arranging the motor, the first rotating shaft, the second rotating shaft, the fixed block, the clamping block, the sliding block, the connecting rod and the connecting block, so as to accelerate the full mixing between the organic solvent and the electrolyte and further achieve the effect of adjusting the concentration of lithium salt in the electrolyte, the installation process of the side cleaning block can be more convenient by the arranged bolt seat, the cleaning process of the inner side surface of the concentration adjusting box can be realized by the arranged side cleaning block, and the two stirring rods can be driven to respectively rotate downwards around the left end and the right end of the square block by the arranged pressing plate, the sliding block, the limiting rod, the first spring, the connecting rod and the connecting block when the inner bottom surface of the concentration adjusting box needs to be cleaned by the mutual matching between the arranged pressing plate, the sliding block, the limiting rod, the first spring, the connecting rod and the connecting block, so as to drive the bottom cleaning block arranged on the side cleaning block to be tightly attached to the bottom of the concentration adjusting box, then the cleaning process of the bottom surface of the concentration adjusting box can be realized through the rotation of the first rotating shaft.

Drawings

FIG. 1 is a schematic perspective view of a front cross-sectional structure of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

FIG. 4 is an enlarged view of the structure at B of the present invention;

fig. 5 is a schematic view of an enlarged top perspective structure of the bolt seat of the present invention.

In the figure: the device comprises a concentration adjusting box 1, supporting legs 2, a discharging pipe 3, a bottom cleaning block 4, a first stirring rod 5, a first connecting block 6, a connecting rod 7, a side cleaning block 8, a pressing plate 9, a sliding block 10, a square block 11, a first rotating shaft 12, a limiting rod 13, a first spring 14, a first clamping block 15, a fixed block 16, a second rotating shaft 17, a second stirring rod 18, a 19 bolt, a second spring 20, a box cover 21, a storage battery 22, a motor 23, a cover plate 24, a bolt seat 25 and a controller 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: a lithium ion battery preparation electrolyte lithium salt concentration adjusting device comprises a concentration adjusting box 1, wherein a rotating shaft I12 is movably connected to the bottom surface inside the concentration adjusting box 1, a square block 11 is fixedly connected to the lower side of the rotating shaft I12, the square block 11 is respectively movably connected with two stirring rods I5 which are oppositely provided with hinge blocks close to the proximal ends through hinge seats arranged at the left and right ends of the square block 11, the square block 11 can be driven to rotate through the rotation of the rotating shaft I12, the effect of driving the two stirring rods I5 to rotate is further achieved, the mixing between electrolyte lithium salt and an organic solvent can be accelerated through the rotation of the two stirring rods I5, the effect of adjusting the concentration of lithium salt contained in the prepared electrolyte can be achieved through continuously adding the organic solvent in the stirring process, limiting rods 13 are fixedly connected to the left and right sides of the upper surface of the square block 11, the upper ends of the two limiting rods 13 are respectively and fixedly connected to the left and right ends of the lower surface of a clamping block 15, the fixture block 15 is fixedly connected to the upper end of the first rotating shaft 12, the fixture block 15 is movably connected with the fixed block 16 through a clamping groove formed in the fixture block 15, the fixed block 16 is fixedly connected to the lower end of the second rotating shaft 17, the upper end of the second rotating shaft 17 is fixedly connected to an output shaft of the motor 23, the motor 23 is fixedly connected to the upper end of the box cover 21, the motor 23 can be fixed through the arranged box cover 21, the second rotating shaft 17 can be driven to rotate through the rotation of the output shaft of the motor 23, the effect of driving the first rotating shaft 12 to rotate can be achieved through the mutual matching between the arranged fixed block 16 and the fixture block 15 through the rotation of the second rotating shaft 17, the box cover 21 is respectively and movably connected with the concentration adjusting box 1 with jacks formed in the left side and the right side of the upper end through the bolts 19 arranged at the left and right sides of the box cover 21, and the box cover 21 can be conveniently fixed to the upper end of the concentration adjusting box 1 through the arranged bolts 19, meanwhile, the placing position of the box cover 21 can be limited, the two first stirring rods 5 are respectively and fixedly connected with the two bottom cleaning blocks 4 through the two connecting rods arranged on the first stirring rods 5, the two bottom cleaning blocks 4 can be driven to rotate through the rotation of the two first stirring rods 5, so that the inner bottom surface of the concentration adjusting box 1 can be conveniently cleaned, the connecting blocks 6 are respectively and fixedly connected to the middle positions of the two first stirring rods 5, the two connecting blocks 6 are respectively and movably connected with the two connecting rods 7 through the other hinged seats arranged on the two connecting blocks 7, the upper ends of the two connecting rods 7 are respectively and movably connected to the left side and the right side of the lower surface of the sliding block 10, the sliding block 10 is movably connected with the first rotating shaft 12 through circular through holes formed in the middle positions of the sliding block 10, the first spring 14 is sleeved on the first rotating shaft 12, and the lower end of the first spring 14 is fixedly connected to the upper end of the sliding block 10, the upper end of the first spring 14 is fixedly connected to the lower surface of the clamping block 15, the sliding block 10 is movably connected with the two limiting rods 13 through circular holes formed in the left side and the right side of the sliding block 10, the limiting rods 13 can limit the movement direction of the sliding block 10, the sliding block 10 can be driven to move upwards along the first rotating shaft 12 through the first spring 14, and then the two stirring rods 5 can be driven to rotate upwards around the left end and the right end of the square block 11 respectively under the mutual cooperation of the connecting rod 7 and the connecting block 6, so that the device can enable the two bottom cleaning blocks 4 to be separated from the inner bottom surface of the concentration adjusting box 1 in the process of stirring electrolyte lithium salt, the concentration adjusting process of the electrolyte lithium salt is prevented from being influenced, the mixing between the electrolyte and the organic solvent is facilitated, and the two stirring rods 18 are fixedly connected to the left end and the right end of the rotating shaft 17, the stirring rod II 18 can be driven to rotate through the rotation of the rotating shaft II 17, so that the mixing process between the electrolyte lithium salt and the organic solvent can be fully realized under the mutual matching with the stirring rod I5, every two of the four stirring rods II 18 are in threaded connection with four bolt seats 25 which are internally provided with adjusting bolts respectively through threaded holes arranged at the ends far away from the stirring rods II, every two of the four bolt seats 25 are fixedly connected to the surfaces close to the two side cleaning blocks 8 respectively, the pressing plates 9 are fixedly connected to the lower sides of the surfaces close to the two side cleaning blocks 8 respectively, the side cleaning blocks 8 can be conveniently fixed on the two stirring rods II 18 at the same side when the inside of the concentration adjusting box 1 is cleaned through the arranged bolt seats 25, so that the inside of the concentration adjusting box 1 can be cleaned, and the side cleaning blocks 8 can be conveniently taken down when the stirring work is required, pressing plate 9 through setting up can drive sliding block 10 and remove downwards, and then make two clean 4 bottom can hug closely the inside bottom surface of concentration control box under the mutually supporting of connecting rod 7 and connecting block 6 of setting, all be provided with spring two 20 on two bolts 19, 1 right-hand member downside of concentration control box is provided with discharging pipe 3, 1 lower extreme of concentration control box evenly is provided with four supporting legs 2, case lid 21 is provided with apron 24 through its inside drain hole of seting up, the case lid 21 upper surface left and right sides all is provided with the handle, case lid 21 upper surface is provided with battery 22 and controller 26, the output of controller 26 is connected with the input electricity of motor 23, the input of controller 26 is connected with battery 22's output electricity.

The method comprises the following operation steps:

when the concentration of lithium salt in the electrolyte needs to be adjusted, the two bolts 19 are respectively pulled towards the left side and the right side, so that the two bolts 19 are separated from the jacks formed in the left side and the right side of the upper end of the concentration adjusting box 1, then the box cover 21 is taken down from the concentration adjusting box 1, then the two side cleaning blocks 8 are taken down from the corresponding stirring rods II 18 through the bolts arranged on the rotating bolt seats 25, then the electrolyte is put into the concentration adjusting box 1, then the box cover 21 is fixed at the upper end of the concentration adjusting box 1 through the arranged bolts 19, the arranged cover plate 24 is opened to introduce a proper amount of organic solvent into the concentration adjusting box 1, then the motor 23 is started through the arranged controller 26, the motor 23 can drive the rotating shaft II 17 to rotate through the rotation of the output shaft II, the rotating shaft II 17 can be driven to rotate under the mutual matching between the arranged clamping block 15 and the fixed block 16 through the rotation of the rotating shaft II 17, thereby achieving the effect of driving the second stirring rod 18 and the first stirring rod 5 to rotate, accelerating the mixing of the organic solvent and the electrolyte through the rotation of the second stirring rod 18 and the first stirring rod 5, thereby realizing the adjustment process of the concentration of lithium salt in the electrolyte, when the inside of the concentration adjustment box 1 needs to be cleaned, the box cover 21 is taken down, the side cleaning blocks 8 are fixed on the two corresponding stirring rods 18 through the arranged bolt seats 25, then the box cover 21 is fixed at the upper end of the concentration adjusting box 1 again, in the process, the sliding block 10 can be driven to move downwards by the arranged pressing plate 9, so that the two bottom cleaning blocks 4 can be tightly attached to the inner bottom surface of the concentration adjusting box 1 under the mutual matching of the arranged connecting rod 7 and the connecting block 6, then, the motor 23 is started to drive the side surface cleaning block 8 and the bottom surface cleaning block 4, so that the inside of the concentration adjusting box 1 can be cleaned.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium ion battery preparation is with electrolyte lithium salt concentration adjusting device, includes concentration adjusting box (1), its characterized in that: the concentration adjusting box is characterized in that a first rotating shaft (12) is movably connected to the bottom surface inside the concentration adjusting box (1), a square block (11) is fixedly connected to the lower side of the first rotating shaft (12), the square block (11) is respectively and oppositely movably connected with two stirring rods (5) which are provided with hinged blocks by virtue of hinged seats arranged at the left end and the right end of the square block (11), limiting rods (13) are respectively and fixedly connected to the left side and the right side of the upper surface of the square block (11), the upper ends of the two limiting rods (13) are respectively and fixedly connected to the left end and the right end of the lower surface of a clamping block (15), the clamping block (15) is fixedly connected to the upper end of the first rotating shaft (12), the clamping block (15) is movably connected with a fixing block (16) by virtue of a clamping groove formed in the clamping block, the fixing block (16) is fixedly connected to the lower end of a second rotating shaft (17), and the upper end of the second rotating shaft (17) is fixedly connected to an output shaft of a motor (23), motor (23) fixed connection is in the upper end of case lid (21), case lid (21) all set up bolt (19) respectively with the upper end left and right sides through its both ends about with concentration adjustment case (1) swing joint of jack all seted up.

2. The lithium ion battery preparation electrolyte lithium salt concentration adjusting device according to claim 1, characterized in that: two puddler (5) all through two connecting rods that set up on it respectively with two clean piece (4) fixed connection in bottom, two equal fixedly connected with connecting block (6) on puddler (5) intermediate position, two connecting block (6) all through another articulated seat that sets up on it respectively with two connecting rod (7) swing joint.

3. The lithium ion battery preparation electrolyte lithium salt concentration adjusting device according to claim 2, characterized in that: the upper ends of the two connecting rods (7) are movably connected to the left side and the right side of the lower surface of the sliding block (10) respectively, and the sliding block (10) is movably connected with the first rotating shaft (12) through a circular through hole formed in the middle of the sliding block.

4. The device for adjusting the concentration of lithium salt in electrolyte for lithium ion battery preparation according to claim 3, wherein: first spring (14) is sleeved on the first rotating shaft (12), the lower end of the first spring (14) is fixedly connected to the upper end of the sliding block (10), the upper end of the first spring (14) is fixedly connected to the lower surface of the clamping block (15), and the sliding block (10) is movably connected with the two limiting rods (13) through circular holes formed in the left side and the right side of the sliding block.

5. The lithium ion battery preparation electrolyte lithium salt concentration adjusting device according to claim 1, characterized in that: two puddler two (18), four of the equal fixedly connected with in both ends about pivot two (17) two (18) two liang of screw holes that all set up through its relative end of keeping away from respectively with four inside bolt seat (25) threaded connection who is provided with adjusting bolt, four two groups respectively fixed connection of bolt seat (25) on the face of being close to relatively of two clean pieces in side (8), two clean piece in side (8) are close to the equal fixedly connected with clamp plate (9) of face downside relatively.

6. The lithium ion battery preparation electrolyte lithium salt concentration adjusting device according to claim 1, characterized in that: two all be provided with spring two (20) on bolt (19), concentration adjusting box (1) right-hand member downside is provided with discharging pipe (3), concentration adjusting box (1) lower extreme evenly is provided with four supporting legs (2), drain hole that case lid (21) was seted up through its inside is provided with apron (24), the case lid (21) upper surface left and right sides all is provided with the handle.

7. The lithium ion battery preparation electrolyte lithium salt concentration adjusting device according to claim 1, characterized in that: the upper surface of the box cover (21) is provided with a storage battery (22) and a controller (26), the output end of the controller (26) is electrically connected with the input end of the motor (23), and the input end of the controller (26) is electrically connected with the output end of the storage battery (22).