CN210576206U

CN210576206U - Liquid injection equipment of lithium ion power battery

Info

Publication number: CN210576206U
Application number: CN201921965181.6U
Authority: CN
Inventors: 刘也卓; 熊志强
Original assignee: Fuxiang Environmental Technology Shanghai Co ltd
Current assignee: Fuxiang Environmental Technology Shanghai Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-05-19
Anticipated expiration: 2029-11-14

Abstract

The utility model belongs to the technical field of lithium ion power battery processing, in particular to a liquid injection device of a lithium ion power battery, which comprises a liquid storage tank, wherein one side of the top of the liquid storage tank is connected with a liquid inlet pipe, one end of the liquid inlet pipe extends to the inside of the liquid storage tank, and the lower end of a connecting rod is fixed on the outer wall of a filter cover; the lower end of the liquid storage tank is connected with a liquid separation tank, a driving motor is horizontally arranged on the side surface of the liquid separation tank, one end of the driving motor extends into the liquid separation tank in a dynamic sealing mode and is fixedly provided with a rotating shaft, separation blades are arranged on the outer wall of the rotating shaft at equal intervals in the circumferential direction, and the outer wall of each separation blade is connected with the inner wall of the liquid separation tank in a dynamic sealing mode in the circumferential direction; the utility model discloses a setting of tapping jar, supply electrolyte that can intermittent type formula, the quantity of the electrolyte of supply at every turn is the same moreover, just so can set up the branch fluid reservoir of equidimension not to the battery of different capacities to satisfy and annotate the liquid demand.

Description

Liquid injection equipment of lithium ion power battery

Technical Field

The utility model relates to a lithium ion power battery processing technology field especially relates to a lithium ion power battery's notes liquid equipment.

Background

At present, lithium ion batteries have the advantages of high specific energy, high cycle times, long storage time and the like, and are widely applied to portable electronic equipment such as mobile phones, digital video cameras and portable computers, and also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like.

For lithium ion battery, need carry out the notes liquid process in process of production, inject electrolyte into its battery case promptly, current notes liquid equipment has the slow and inhomogeneous problem of liquid separating speed, contains the precipitate in the electrolyte in addition, needs in time to filter.

In order to solve the problems, the application provides a liquid injection device of a lithium ion power battery.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a lithium ion power battery's notes liquid equipment has the characteristics that divide liquid convenience, effect are high, filterable.

(II) technical scheme

In order to solve the problems, the utility model provides a liquid injection device of a lithium ion power battery, which comprises a liquid storage tank, wherein one side of the top of the liquid storage tank is connected with a liquid inlet pipe, one end of the liquid inlet pipe extends to the inside of the liquid storage tank, a filter cover is arranged below one end of the liquid inlet pipe positioned in the liquid storage tank, the top of the liquid storage tank is provided with a connecting cylinder, a gland is arranged on the connecting cylinder, the bottom wall of the gland is fixed with a connecting rod, and the lower end of the connecting rod is fixed on the outer wall of the filter cover;

the lower end of the liquid storage tank is connected with a liquid separation tank, a driving motor is horizontally mounted on the side face of the liquid separation tank, one end of the driving motor extends into the liquid separation tank in a dynamic sealing mode and is fixedly provided with a rotating shaft, separation blocking pieces are arranged on the outer wall of the rotating shaft at equal intervals in the circumferential direction, and the outer wall of each separation blocking piece is connected with the inner wall of the liquid separation tank in a dynamic sealing mode in the circumferential direction.

Preferably, the bottom of the liquid separation tank is provided with a funnel part, the bottom of the funnel part is provided with a liquid outlet pipe, and the liquid outlet pipe is provided with a valve.

Preferably, the top surface of the liquid separation tank is provided with a lower connecting flange, the lower end of the liquid storage tank is provided with an upper connecting flange, and the upper connecting flange is hermetically connected with the lower connecting flange.

Preferably, the liquid separation tank is horizontally arranged and is of a cylindrical tubular structure, and one end, far away from the driving motor, of the rotating shaft is rotatably arranged on the inner wall of the liquid separation tank.

Preferably, the filter cover is of a cylindrical structure without an upper top surface.

Preferably, the top surface of liquid storage pot is provided with circular opening, the connecting cylinder sets up in the edge of circular opening, and the filter mantle can come out from circular opening.

The above technical scheme of the utility model has following profitable technological effect:

when the electrolyte gets into the liquid storage pot, filter through the filter mantle earlier to guarantee getting rid of the impurity in the electrolyte, then through the setting of partition liquid jar, supply electrolyte that can intermittent type formula, the electrolyte volume of supplying at every turn is the same moreover, just so can set up the branch liquid jar of equidimension not to the battery of different capacity, thereby satisfies the notes liquid demand.

Drawings

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

FIG. 2 is a schematic structural view of the liquid dividing tank of the present invention;

FIG. 3 is a top view of the connecting cylinder and the liquid storage tank of the present invention; .

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a liquid injection device for lithium ion power battery, which comprises a liquid storage tank 1, wherein one side of the top of the liquid storage tank 1 is connected with a liquid inlet pipe 7, one end of the liquid inlet pipe 7 extends into the liquid storage tank 1, a filter mantle 2 is arranged below one end of the liquid inlet pipe 7 positioned in the liquid storage tank 1, the top of the liquid storage tank 1 is provided with a connecting cylinder 3, a gland 5 is arranged on the connecting cylinder 3, the bottom wall of the gland 5 is fixed with a connecting rod 6, and the lower end of the connecting rod 6 is fixed on the outer wall of the filter mantle 2;

the lower end of the liquid storage tank 1 is connected with a liquid separation tank 8, a driving motor 9 is horizontally mounted on the side face of the liquid separation tank 8, one end of the driving motor 9 extends into the liquid separation tank 8 in a dynamic sealing mode and is fixed with a rotating shaft 10, separation blocking pieces 11 are arranged on the outer wall of the rotating shaft 10 at equal intervals in the circumferential direction, and the outer wall of each separation blocking piece 11 is connected with the inner wall of the liquid separation tank 8 in a dynamic sealing mode in the circumferential direction.

In this embodiment, it should be noted that a funnel portion 12 is disposed at the bottom of the liquid separation tank 8, a liquid outlet pipe 13 is disposed at the bottom of the funnel portion 12, a valve 14 is mounted on the liquid outlet pipe 13, and the valve 14 can control the opening and closing of the liquid outlet pipe 13.

In this embodiment, it should be noted that a lower connecting flange 15 is disposed on the top surface of the liquid separation tank 8, an upper connecting flange is disposed at the lower end of the liquid storage tank 1, and the upper connecting flange is hermetically connected to the lower connecting flange 15.

In this embodiment, it should be noted that, the liquid separation tank 8 is arranged horizontally, and the liquid separation tank 8 is a cylindrical tubular structure, and one end of the rotating shaft 10, which is far away from the driving motor 9, is rotatably installed on the inner wall of the liquid separation tank 8, and the driving motor 9 is operated to drive the rotating shaft 10 to rotate, and the driving motor 9 preferably selects a servo motor, and can move intermittently.

In this embodiment, the filter housing 2 has a cylindrical structure without an upper top surface, and can collect impurities.

In this embodiment, it should be noted that the top surface of the liquid storage tank 1 is provided with a circular opening 4, the connecting cylinder 3 is arranged at the edge of the circular opening 4, and the filter housing 2 can come out from the circular opening 4, so that the filter housing 2 can be conveniently taken out.

In the scheme of the invention, when the electrolyte enters the liquid storage tank 1, the electrolyte is filtered by the filter cover 2, so that impurities in the electrolyte are removed, then the electrolyte can be supplied intermittently by setting the liquid storage tank 8, and the amount of the electrolyte supplied each time is the same, so that the liquid separation tanks 8 with different sizes can be set for batteries with different capacities, and the liquid injection requirement is met.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention.

Claims

1. The liquid injection device of the lithium ion power battery comprises a liquid storage tank (1) and is characterized in that one side of the top of the liquid storage tank (1) is connected with a liquid inlet pipe (7), one end of the liquid inlet pipe (7) extends into the liquid storage tank (1), a filter cover (2) is arranged below one end of the liquid inlet pipe (7) positioned in the liquid storage tank (1), a connecting cylinder (3) is arranged at the top of the liquid storage tank (1), a gland (5) is mounted on the connecting cylinder (3), a connecting rod (6) is fixed to the bottom wall of the gland (5), and the lower end of the connecting rod (6) is fixed to the outer wall of the filter cover (2);

the lower extreme of liquid storage pot (1) is connected with branch fluid reservoir (8), the side horizontal type of dividing fluid reservoir (8) installs driving motor (9), the one end dynamic seal of driving motor (9) extends to in dividing fluid reservoir (8) and is fixed with pivot (10), the outer wall circumference of pivot (10) is provided with at equal intervals and separates separation blade (11), the outer wall circumference that separates separation blade (11) moves the sealing connection with the inner wall that divides fluid reservoir (8).

2. The liquid injection device for the lithium ion power battery according to claim 1, wherein a funnel part (12) is arranged at the bottom of the liquid separation tank (8), a liquid outlet pipe (13) is arranged at the bottom of the funnel part (12), and a valve (14) is installed on the liquid outlet pipe (13).

3. The electrolyte injection device of the lithium ion power battery according to claim 1, wherein a lower connecting flange (15) is arranged on the top surface of the liquid separation tank (8), an upper connecting flange is arranged at the lower end of the liquid storage tank (1), and the upper connecting flange is hermetically connected with the lower connecting flange (15).

4. The electrolyte injection device of the lithium ion power battery according to claim 1, wherein the liquid separation tank (8) is horizontally arranged, the liquid separation tank (8) is of a cylindrical structure, and one end of the rotating shaft (10) far away from the driving motor (9) is rotatably installed on the inner wall of the liquid separation tank (8).

5. The electrolyte injection device of the lithium ion power battery as recited in claim 1, wherein the filter housing (2) is of a cylindrical structure without an upper top surface.

6. The electrolyte injection device of the lithium-ion power battery as recited in claim 1, wherein the top surface of the liquid storage tank (1) is provided with a circular opening (4), the connecting cylinder (3) is arranged at the edge of the circular opening (4), and the filter cover (2) can come out of the circular opening (4).