CN212062573U

CN212062573U - Liquid injection device for lithium battery production

Info

Publication number: CN212062573U
Application number: CN202020875396.5U
Authority: CN
Inventors: 贺超
Original assignee: Anhui Difu Lithium New Energy Co ltd
Current assignee: Anhui Difu Lithium New Energy Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-01
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a liquid injection device for lithium battery production, which comprises a box body, a base and a motor, wherein the upper surface of the base is vertically and fixedly connected with a supporting plate, the upper end surface of the supporting plate is fixedly connected with the lower surface of the bottom plate of the box body, and the motor is fixedly connected with the supporting plate; a plurality of discharge holes symmetrically arranged about the supporting plate are formed in a bottom plate of the box body, discharge pipelines are fixedly connected to the lower end portions of the discharge holes, symmetrically arranged baffles are slidably connected to the bottom plate of the box body and matched with the discharge holes, and an output shaft of a motor is in transmission connection with the baffles; the utility model discloses not only can annotate the liquid simultaneously and handle a plurality of lithium cells, can close ejection of compact pipeline according to the liquid level moreover by oneself, avoid annotating liquid too much in the lithium cell, saved manpower and time, improved the production efficiency of lithium cell simultaneously.

Description

Liquid injection device for lithium battery production

Technical Field

The utility model relates to a lithium cell production facility technical field specifically is a priming device is used in lithium cell production.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream. 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 of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

However, the liquid injection device for the existing lithium battery production generally can only inject liquid into a single lithium battery at one time, and the lithium battery is in the liquid injection process, so that excessive liquid injection is performed in the lithium battery for avoiding the situation that the lithium battery is occupied by workers, after the liquid injection of the lithium battery is finished, the liquid injection equipment is required to be closed by the workers, then the liquid injection is replaced by the lithium battery which is finished with the liquid injection, so that the labor and the time are consumed, inconvenience is brought to the workers, and the production efficiency of the lithium battery is reduced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a priming device is used in lithium cell production 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 liquid injection device for lithium battery production comprises a box body, a base and a motor, wherein a supporting plate is vertically and fixedly connected to the upper surface of the base, the upper end surface of the supporting plate is fixedly connected to the lower surface of a bottom plate of the box body, and the motor is fixedly connected to the supporting plate;

the improved automatic discharging device is characterized in that a plurality of discharging holes symmetrically arranged relative to the supporting plate are formed in the bottom plate of the box body, discharging pipelines are fixedly connected to the lower end portions of the discharging holes, symmetrically arranged baffles are slidably connected to the bottom plate of the box body, the baffles are matched with the discharging holes, and an output shaft of the motor is in transmission connection with the baffles.

Preferably, the top of the box body is provided with a feed hole, and a piston is inserted into the feed hole.

Preferably, the upper end of the discharge pipeline is fixedly connected with a connecting pipeline, and the upper end surface of the connecting pipeline is fixedly connected to the lower surface of the top plate of the box body.

Preferably, the downside level of ejection of compact pipeline is provided with the movable block, the last fixed surface of movable block is connected with the rubber buffer, the rubber buffer cooperatees with ejection of compact pipeline, and the movable block passes through connecting rod sliding connection on the lateral wall of ejection of compact pipeline.

Preferably, the connecting rods are fixedly connected to the moving block at equal intervals and distributed in an annular shape, the upper end face of each connecting rod is fixedly connected with a sliding block, sliding grooves are formed in the outer side wall of the discharge pipeline at equal intervals, and the sliding blocks are connected in the sliding grooves in a sliding mode.

Preferably, a cavity is formed in a bottom plate of the box body, an incomplete gear is horizontally arranged in the cavity, an output shaft of the motor penetrates through the bottom of the box body and is fixedly connected to the incomplete gear, a rectangular frame is sleeved on the outer side of the incomplete gear, racks are fixedly connected to the inner side walls, opposite to the rectangular frame, of the rectangular frame, the racks are meshed with the incomplete gear, and the baffle is fixedly connected to the outer side wall of the rectangular frame.

Preferably, the opposite side walls of the cavity are provided with grooves, the discharge holes are communicated with the grooves, the upper surface and the lower surface of the baffle are respectively contacted with the top and the bottom of the grooves, the baffle is provided with through holes at equal intervals, and the through holes are matched with the discharge holes.

Preferably, the holding tank has been seted up to the upper surface of backup pad, motor fixed connection is in the holding tank.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a bottom symmetry at the box sets up a plurality of discharge openings, be convenient for carry out the liquid processing to a plurality of lithium cells simultaneously, through set up baffle and motor on the discharge opening, be convenient for by oneself control the opening and close of both sides discharge opening, through set up the pipeline at the downside of discharge opening, electrolyte in the box of being convenient for flows into in the lithium cell through the discharge pipeline, through set up movable block and rubber buffer at the downside of discharge pipeline, be convenient for by oneself control the opening and close of discharge pipeline, avoid annotating too much in the lithium cell, saved manpower and time; this kind of priming device for lithium cell production not only can annotate the liquid simultaneously and handle a plurality of lithium cells, can close ejection of compact pipeline according to the liquid level moreover by oneself, avoids annotating liquid too much in the lithium cell, has saved manpower and time, has improved the production efficiency of lithium cell simultaneously.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the front internal structure of the present invention;

FIG. 3 is a schematic view of the inner structure of the left side of the present invention;

fig. 4 is a cross-sectional view of the discharge pipe and the moving block of the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 4;

FIG. 6 is a schematic view of a plane of depression connecting structure of the incomplete gear and the baffle plate of the present invention;

in the figure: the automatic feeding device comprises a box body 1, a base 2, a motor 3, a supporting plate 4, a discharging hole 5, a discharging pipeline 6, a baffle 7, a feeding hole 8, a piston 9, a connecting pipeline 10, a moving block 11, a rubber plug 12, a connecting rod 13, a sliding block 14, a sliding groove 15, a cavity 16, an incomplete gear 17, a rectangular frame 18, a rack 19, a groove 20, a through hole 21 and an accommodating groove 22.

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. 1-6, in an embodiment of the present invention, an injection device for lithium battery production includes a box 1, a base 2, and a motor 3, wherein the working principle and structure of the motor 3 are prior art, and therefore are not described in detail herein, and a wire on the motor 3 is electrically connected to an electric storage device through a control switch, the upper surface of the base 2 is vertically and fixedly connected to a support plate 4, the upper end surface of the support plate 4 is fixedly connected to the lower surface of a bottom plate of the box 1, and the motor 3 is fixedly connected to the support plate 4;

set up a plurality of discharge openings 5 about 4 symmetry settings of backup pad on the bottom plate of box 1, the lower tip fixedly connected with ejection of compact pipeline 6 of discharge opening 5, sliding connection has the baffle 7 that the symmetry set up in the bottom plate of box 1, baffle 7 cooperatees with discharge opening 5, and the output shaft of motor 3 is connected with baffle 7 transmission.

The top of the box body 1 is provided with a feed hole 8, and a piston 9 is inserted into the feed hole 8, so that electrolyte can be conveniently injected into the box body 1.

The upper end fixedly connected with connecting tube 10 of ejection of compact pipeline 6, the up end fixed connection of the connecting tube 10 of saying is at the roof lower surface of box 1, is convenient for ejection of compact pipeline 6 fixed connection on box 1.

The downside level of ejection of compact pipeline 6 is provided with movable block 11, the last fixed surface of movable block 11 is connected with rubber buffer 12, rubber buffer 12 cooperatees with ejection of compact pipeline 6, and movable block 11 passes through connecting rod 13 sliding connection on ejection of compact pipeline 6's lateral wall, and the material of movable block 11 is the light and can float the material on electrolyte like the foam material of resistant electrolyte to through the buoyancy of movable block 11, drive shifting up of rubber buffer 12 position, make rubber buffer 12 insert in ejection of compact pipeline 6.

The connecting rods 13 are fixedly connected to the moving block 11 at equal intervals and distributed in an annular shape, the upper end face of each connecting rod 13 is fixedly connected with a sliding block 14, sliding grooves 15 are formed in the outer side wall of the discharging pipeline 6 at equal intervals, and the sliding blocks 14 are connected in the sliding grooves 15 in a sliding mode, so that the moving block 11 can move up and down conveniently.

The utility model discloses a motor box, including box 1, motor 3, baffle 7, cavity 16, incomplete gear 17, motor 3 and rack 19, the cavity 16 has been seted up to the bottom plate of box 1, the level is provided with incomplete gear 17 in the cavity 16, the output shaft of motor 3 runs through the bottom of box 1 and fixed connection on incomplete gear 17, and the outside cover of incomplete gear 17 is equipped with rectangle frame 18, equal fixedly connected with rack 19 on the relative inside wall of rectangle frame 18, rack 19 meshes with incomplete gear 17 mutually, baffle 7 fixed connection is on the lateral wall of rectangle frame 18, and the rotation of motor 3 drive incomplete gear 17 of being convenient for to the round trip movement of baffle 7 is driven through the meshing of incomplete.

All seted up recess 20 on the relative lateral wall of cavity 16, discharge opening 5 is linked together with recess 20, the upper surface and the lower surface of baffle 7 contact with top, the bottom of recess 20 respectively, and equidistant through-hole 21 of having seted up on baffle 7, through-hole 21 cooperatees with discharge opening 5, is convenient for through the round trip movement of baffle 7 to control opening and close of discharge opening 5, and the through-hole 21 on two baffles 7 sets up in a staggered manner, thereby when the discharge opening 5 of one side of being convenient for was opened, 5 positions of discharge opening of opposite side closed condition.

Holding tank 22 has been seted up to the upper surface of backup pad 4, motor 3 fixed connection is in holding tank 22, and the motor 3 fixed connection of being convenient for is on backup pad 4.

When the utility model is used, the piston 9 is taken out, electrolyte is injected into the box body 1, then a plurality of lithium batteries which need to be injected are respectively placed below each discharge pipeline 6 on one side of the support plate 4, and the lower end parts of the movable block 11 and the discharge pipelines 6 extend into the lithium batteries through the injection ports of the lithium batteries; starting motor 3, make the output shaft of motor 3 drive the rotation of incomplete gear 17, through incomplete gear 17 and one of them rack 19's meshing, it promotes to one side to drive rectangle frame 18, thereby make the baffle 7 that is located directly over the lithium cell of required notes liquid remove to one side, and make through-hole 21 on the baffle 7 corresponding with the position of discharge opening 5, and make through-hole 21 on the side baffle 7 of not placing the lithium cell crisscross rather than matched with discharge opening 5 position, thereby make the electrolyte in the box 1 through discharge opening 5 and through-hole 21 on one of them baffle 7, discharge pipeline 6 trickles to in the lithium cell, thereby the notes liquid of lithium cell has been realized.

Because the buoyancy of movable block 11, thereby make movable block 11 rise along with the rising of liquid level, when the electrolyte of pouring into in the lithium cell reaches required liquid level, movable block 11 with rubber buffer 12 propelling movement to ejection of compact pipeline 6 in, thereby block up ejection of compact pipeline 6, thereby avoid the electrolyte of pouring into in the lithium cell too much, and the in-process of annotating liquid is carried out to the lithium cell in backup pad 4 one side, can place other lithium cells that need annotate liquid on backup pad 4 opposite side ejection of compact pipeline 6, after the lithium cell that is annotating liquid finishes annotating, can start motor 3, drive the removal of baffle 7 positions through rectangular frame 18, thereby cause one side discharge opening 5 to close, the discharge opening 5 of opposite side is opened, thereby continue to annotate the lithium cell, manpower and time have been saved, the production efficiency of lithium cell has been improved to a certain extent.

"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a priming device is used in lithium cell production, includes box (1), base (2) and motor (3), its characterized in that: the upper surface of the base (2) is vertically and fixedly connected with a supporting plate (4), the upper end surface of the supporting plate (4) is fixedly connected to the lower surface of the bottom plate of the box body (1), and the motor (3) is fixedly connected to the supporting plate (4);

a plurality of discharge holes (5) symmetrically arranged about a support plate (4) are formed in a bottom plate of the box body (1), discharge pipelines (6) are fixedly connected to the lower end portions of the discharge holes (5), baffle plates (7) symmetrically arranged are slidably connected to the bottom plate of the box body (1), the baffle plates (7) are matched with the discharge holes (5), and an output shaft of a motor (3) is in transmission connection with the baffle plates (7).

2. The liquid injection device for lithium battery production according to claim 1, wherein a feeding hole (8) is formed in the top of the box body (1), and a piston (9) is inserted into the feeding hole (8).

3. The liquid injection device for lithium battery production according to claim 1, wherein a connection pipe (10) is fixedly connected to an upper end of the discharge pipe (6), and an upper end surface of the connection pipe (10) is fixedly connected to a lower surface of a top plate of the box body (1).

4. The liquid injection device for the lithium battery production according to claim 1, wherein a moving block (11) is horizontally arranged at the lower side of the discharge pipeline (6), a rubber plug (12) is fixedly connected to the upper surface of the moving block (11), the rubber plug (12) is matched with the discharge pipeline (6), and the moving block (11) is slidably connected to the outer side wall of the discharge pipeline (6) through a connecting rod (13).

5. The electrolyte injection device for lithium battery production according to claim 4, wherein the connecting rods (13) are fixedly connected to the moving block (11) at equal intervals and distributed in a ring shape, the upper end face of the connecting rod (13) is fixedly connected with a sliding block (14), sliding grooves (15) are formed in the outer side wall of the discharging pipeline (6) at equal intervals, and the sliding blocks (14) are slidably connected in the sliding grooves (15).

6. The electrolyte injection device for lithium battery production according to claim 1, wherein a cavity (16) is formed in a bottom plate of the box body (1), an incomplete gear (17) is horizontally arranged in the cavity (16), an output shaft of the motor (3) penetrates through the bottom of the box body (1) and is fixedly connected to the incomplete gear (17), a rectangular frame (18) is sleeved on the outer side of the incomplete gear (17), racks (19) are fixedly connected to inner side walls of the rectangular frame (18) opposite to each other, the racks (19) are meshed with the incomplete gear (17), and the baffle (7) is fixedly connected to the outer side walls of the rectangular frame (18).

7. The liquid injection device for lithium battery production according to claim 6, wherein the opposite side walls of the cavity (16) are provided with grooves (20), the discharge holes (5) are communicated with the grooves (20), the upper surface and the lower surface of the baffle (7) are respectively contacted with the top and the bottom of the grooves (20), the baffle (7) is provided with through holes (21) at equal intervals, and the through holes (21) are matched with the discharge holes (5).

8. The electrolyte injection device for lithium battery production as claimed in claim 1, wherein the supporting plate (4) has a receiving groove (22) formed on the upper surface thereof, and the motor (3) is fixedly connected in the receiving groove (22).