CN218498330U

CN218498330U - Lithium battery liquid injection device

Info

Publication number: CN218498330U
Application number: CN202222820010.2U
Authority: CN
Inventors: 俞飞
Original assignee: Nanjing Yutian New Energy Technology Co ltd
Current assignee: Nanjing Yutian New Energy Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-17
Anticipated expiration: 2032-10-25

Abstract

The utility model belongs to the technical field of lithium battery processing, a lithium battery liquid injection device is related to, including the support column, the rigid coupling above the support column has the workstation, be provided with elevating system on the workstation, be provided with the tray on it, be equipped with the recess on the tray, the workstation rigid coupling has the frame, the rigid coupling has the liquid reserve tank in the frame, the liquid reserve tank even has the drain pipe, be equipped with out the liquid valve on the drain pipe, the drain pipe passes the frame and even has annotate the liquid dish, the bottom of annotating the liquid dish is equipped with annotates the liquid pipe, annotate the liquid outside of managing and be equipped with the clamp plate, the rigid coupling below the clamp plate has the rubber circle, even have the pipe on annotating the liquid dish, the pipe even has the air pump, be equipped with the pneumatic valve on the air pump, the rigid coupling has the supporting seat in the frame, the air pump rigid coupling is on the supporting seat; the utility model discloses go up and down through setting up elevating system control tray during the use to carry out automatic notes liquid process to the lithium cell through annotating liquid dish and air pump, can annotate the liquid to a plurality of lithium cells simultaneously, need not artifical notes liquid operation, reduce the cost of labor, promote and annotate liquid efficiency, reduce personnel injured risk.

Description

Lithium battery liquid injection device

Technical Field

The utility model relates to a lithium battery processing technology field particularly, relates to a lithium battery priming device.

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.

Electrolyte in the lithium cell is important carrier in the battery, and electrolyte need add into the lithium cell through injection device when changing, and current notes liquid in-process needs artifical concern to annotate how much of liquid volume, can only annotate the liquid back to a lithium cell at every turn in addition, still needs the artifical lithium cell that needs that the operation that does not stop more renew and annotate liquid, and not only efficiency is poor, and the cost of labor is higher, and the electrolyte of battery is harmful to the human body moreover, and the operation is cautious still probably causes personnel's injury.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell priming device has solved current notes liquid in-process, needs artifical concern about annotate how much of liquid volume, can only annotate the liquid back to a lithium cell at every turn in addition, still needs the artifical lithium cell that needs the operation of not stopping to change the needs of annotating liquid, not only efficiency is poor, and the cost of labor is higher, and the electrolyte of battery is harmful to the human body moreover, and the operation is cautious still probably causes personnel injured's problem.

In order to solve the technical problem, the utility model discloses a technical scheme is: a lithium battery liquid injection device comprises a support column, a workbench is fixedly connected above the support column, a lifting mechanism is arranged on the workbench, a tray is arranged on the lifting mechanism, a plurality of grooves are formed in the upper side of the tray and used for placing lithium batteries, a rack is fixedly connected on the workbench, a liquid storage tank is fixedly connected above the rack, the liquid storage tank is connected with a liquid outlet pipe, a liquid outlet valve is arranged on the liquid outlet pipe, the utility model discloses a liquid injection device, including drain pipe, recess, clamp plate, fixedly connected with rubber circle, the drain pipe passes the frame and is connected with annotates the liquid dish, the bottom of annotating the liquid dish is equipped with a plurality of notes liquid pipes, it sets up with the recess one-to-one to annotate the liquid pipe, it is provided with the clamp plate to annotate the liquid outside of managing, clamp plate below fixedly connected with rubber circle, it has the pipe to annotate the intercommunication on the liquid dish, pipe connection has the air pump, be equipped with the pneumatic valve on the air pump, fixedly connected with supporting seat in the frame, air pump fixed connection is on the supporting seat.

Preferably, the lifting mechanism comprises a support frame fixedly connected below the workbench, a motor is fixedly connected in the support frame, an output shaft of the motor upwards penetrates through the workbench, the output shaft of the motor is fixedly connected with a rotating shaft, the rotating shaft is provided with threads, and the outer side of the rotating shaft is in threaded connection with the tray.

According to a preferable scheme, a guide pillar is fixedly connected to the workbench, the upper end of the guide pillar is fixedly connected with the bottom of the upper end of the rack, a connecting hole in sliding connection with the guide pillar is formed in the tray, an avoiding hole is formed in the liquid injection tray, and the guide pillar penetrates through the avoiding hole.

As a preferable scheme, a limit switch is arranged on one side of the guide pillar, the limit switch is electrically connected with a controller, the controller is electrically connected with a motor, and the controller is arranged in the support frame.

As the preferred scheme, the upper end of annotating the liquid pipe is provided with electric control valve, and its lower extreme one side is equipped with liquid level switch, electric control valve and liquid level switch all are connected with the controller.

As the preferred scheme, the two sides of the liquid injection disc are fixedly connected with supporting rods, and the outer ends of the supporting rods are fixedly connected with the rack.

Preferably, the inner wall of the groove is provided with a buffer layer.

Preferably, the buffer layer is a rubber layer.

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

the utility model discloses go up and down through setting up the tray that elevating system control placed the lithium cell when using to carry out automatic notes liquid process to the lithium cell through annotating liquid dish and air pump, can annotate the liquid to a plurality of lithium cells simultaneously, need not the manual work and annotate the liquid operation, reduce the cost of labor, promote and annotate liquid efficiency, reduce personnel injured risk.

Drawings

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

fig. 2 is a schematic view of a part of the embodiment a of the present invention.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary of the technical aspects of the present invention, and should not be considered as limiting or restricting the technical aspects of the present invention in its entirety or as limiting or restricting the technical aspects of the present invention.

The technical scheme is described in detail in the following with reference to the accompanying drawings 1-2 of the specification and the specific implementation mode:

the utility model provides a pair of lithium battery liquid injection device, including support column 1, 1 top fixedly connected with workstation 2 of support column, be provided with elevating system on the workstation 2, the last tray 3 that is provided with of elevating system, a plurality of recesses 4 have been seted up to a week on the tray 3, place the lithium cell in the recess 4, fixedly connected with frame 5 on the workstation 2, frame 5 top fixedly connected with liquid reserve tank 6, liquid reserve tank 6 is connected with drain pipe 7, be provided with out liquid valve 8 on the drain pipe 7, drain pipe 7 passes frame 5 and is connected with notes liquid dish 9, it cooperatees with elevating system to annotate liquid dish 9, its bottom is equipped with a plurality of notes liquid pipe 10, annotate liquid pipe 10 and recess 4 one-to-one, it is provided with clamp plate 26 to annotate the liquid pipe 10 outside, clamp plate 26 below fixedly connected with rubber circle 27, rubber circle 27 under the clamp plate 26 can seal the lithium cell and annotate the space between the liquid pipe 10, avoid gas leakage, it has pipe 11 to annotate the intercommunication on the liquid dish 9, pipe 11 is connected with air pump 12, be equipped with pneumatic valve 13 on the air pump 12, fixedly connected with supporting seat 14 on the frame 5, air pump 12 fixed connection supporting seat 14. When needs annotate the liquid process to the lithium cell, put into recess 4 on the tray 3 one by one with the lithium cell that need annotate the liquid, start elevating system afterwards, along with elevating system work, tray 3 begins to rise gradually, when rising to the preset height, elevating system stop work, annotate liquid 10 bottoms this moment and stretch into in the lithium cell annotates the liquid mouth. And then the air valve 13 is opened, the air pump 12 starts to work, the conduit 11 pumps air out of the lithium battery, so that negative pressure is formed in the lithium battery, the liquid outlet valve 8 is opened and the air valve 13 is closed, and the electrolyte flows to the liquid injection disc 9 from the liquid storage tank 6 through the liquid outlet pipe 7 and is injected into the lithium battery through the liquid injection pipe 10. After the liquid injection is finished, the lifting mechanism starts to work again, the tray 3 descends along with the work, and the lithium battery can be taken out at the moment.

As the preferred embodiment, elevating system includes support frame 15 of fixed connection in workstation 2 below, fixedly connected with motor 16 in support frame 15, and motor 16 output shaft upwards passes workstation 2 to with rotation axis 17 fixed connection, seted up the screw thread on the rotation axis 17, its outside and tray 3 threaded connection. When the elevating mechanism is started, the motor 16 starts to operate, and the tray 3 screwed to the outer side of the rotary shaft 17 starts to ascend or descend as the rotary shaft 17 rotates.

In order to avoid that the tray 3 rotates along with the rotating shaft 17, as a preferred embodiment, a guide pillar 18 is fixedly connected to the workbench 2, the upper end of the guide pillar 18 is fixedly connected to the bottom of the upper end of the rack 5, a connecting hole is formed in the position, corresponding to the guide pillar 18, of the tray 3, the guide pillar 18 penetrates through the connecting hole and is slidably connected in the connecting hole, an avoiding hole 19 is formed in the liquid injection tray 9, and the guide pillar 18 penetrates through the avoiding hole 19. In a preferred embodiment, a limit switch 20 is disposed on one side of the guide post 18, the limit switch 20 is electrically connected to a controller 21, the controller 21 is electrically connected to the motor 16, and the controller 21 is disposed in the supporting frame 15. In the ascending process of tray 3, after tray 3 contacted limit switch 20, limit switch 20 transmitted the signal to controller 21, and controller 21 control motor 16 stop work for tray 3 stops to rise, avoids the too high influence of tray 3 rising height to annotate liquid.

Considering that the electrolyte required to be injected into each lithium battery is limited, as a preferred embodiment, the injection tube 10 is provided with an electrically controlled valve 22 at the upper end thereof and a liquid level switch 23 at the lower end thereof. Electric control valve 22 and liquid level switch 23 all are connected with controller 21, and behind the high arrival liquid level switch 23 of electrolyte in the lithium cell, liquid level switch 23 gives signal acquisition device with signal transmission, like the singlechip, the singlechip gives controller 21 and control electric control valve 22 with signal transmission again and closes to stop annotating the liquid, avoid pouring into too much electrolyte and spill over or influence subsequent handling.

In order to improve the stability of the liquid injection tray 9, as a preferred embodiment, support rods 24 are fixedly connected to two sides of the liquid injection tray 9, and the outer ends of the support rods 24 are fixedly connected with the rack 5. The liquid injection plate 9 is prevented from shaking.

As a preferred embodiment, a buffer layer 25 is provided on the inner wall of the groove 4. The lithium battery is prevented from shaking in the groove 4 by the buffer layer 25. Preferably, the cushion layer 25 is a rubber layer. The buffer layer 25 can also fix the lithium battery while avoiding vibration, so that the liquid injection port of the lithium battery can correspond to the liquid injection pipe 10.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. The lithium battery liquid injection device is characterized by comprising a support column (1), a workbench (2) is fixedly connected above the support column (1), a lifting mechanism is arranged on the workbench (2), a tray (3) is arranged on the lifting mechanism, a plurality of grooves (4) are formed in the upper side of the tray (3), the grooves (4) are used for containing lithium batteries, a rack (5) is fixedly connected on the workbench (2), a liquid storage box (6) is fixedly connected above the rack (5), the liquid storage box (6) is connected with a liquid outlet pipe (7), a liquid outlet valve (8) is arranged on the liquid outlet pipe (7), the liquid outlet pipe (7) penetrates through the rack (5) to be connected with a liquid injection disk (9), a plurality of liquid injection pipes (10) are arranged at the bottom of the liquid injection disk (9), the liquid injection pipes (10) are arranged in one-to-one correspondence with the grooves (4), a pressing plate (26) is arranged outside the liquid injection pipe (10), a rubber ring (27) is fixedly connected below the pressing plate (26), a communicating pipe (11) is communicated with a guide pipe (11), an air pump (12) is fixedly connected with an air pump (12) and an air valve (14) is arranged on the rack (13), the air pump (12) is fixedly connected to the support base (14).

2. The lithium battery liquid injection device according to claim 1, wherein the lifting mechanism comprises a support frame (15) fixedly connected below the workbench (2), a motor (16) is fixedly connected in the support frame (15), an output shaft of the motor (16) upwards penetrates through the workbench (2), the output shaft of the motor is fixedly connected with a rotating shaft (17), the rotating shaft (17) is provided with threads, and the outer side of the rotating shaft is in threaded connection with the tray (3).

3. The lithium battery liquid injection device according to claim 2, wherein a guide post (18) is fixedly connected to the working table (2), the upper end of the guide post (18) is fixedly connected to the bottom of the upper end of the frame (5), a connecting hole slidably connected with the guide post (18) is formed in the tray (3), an avoiding hole (19) is formed in the liquid injection tray (9), and the guide post (18) passes through the avoiding hole (19).

4. The lithium battery electrolyte injection device according to claim 3, wherein a limit switch (20) is arranged on one side of the guide post (18), the limit switch (20) is electrically connected with a controller (21), the controller (21) is electrically connected with a motor (16), and the controller (21) is arranged in the support frame (15).

5. The lithium battery electrolyte injection device according to claim 4, wherein an electric control valve (22) is arranged at the upper end of the electrolyte injection pipe (10), a liquid level switch (23) is arranged on one side of the lower end of the electrolyte injection pipe, and both the electric control valve (22) and the liquid level switch (23) are connected with the controller (21).

6. The lithium battery liquid injection device according to claim 5, wherein support rods (24) are fixedly connected to two sides of the liquid injection disc (9), and outer ends of the support rods (24) are fixedly connected with the frame (5).

7. The lithium battery liquid injection device according to claim 1, wherein a buffer layer (25) is arranged on the inner wall of the groove (4).

8. The lithium battery liquid injection device according to claim 7, wherein the buffer layer (25) is a rubber layer.