CN216698683U

CN216698683U - Electrolyte injection device is used in lithium cell production convenient to control injection volume

Info

Publication number: CN216698683U
Application number: CN202122394906.4U
Authority: CN
Inventors: 陈觉醒; 张天祥
Original assignee: Anhui Xingli New Energy Co ltd
Current assignee: Anhui Xingli New Energy Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-06-07
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of liquid injection equipment, and discloses an electrolyte injection device for lithium battery production, which is convenient for injection amount control. Add the hydrone of establishing and filtering and heating element in to the air and get rid of effectively, avoid causing the influence to the concentration of electrolyte, carry out high-efficient absorption to poisonous and harmful substance through the active carbon adsorption board simultaneously to exhaust through the exhaust fan of wind channel air outlet department, thereby effectively get rid of the poisonous gas granule that exists among the operational environment, avoid causing harm to operating personnel's health.

Description

Electrolyte injection device is used in lithium cell production convenient to control injection volume

Technical Field

The utility model relates to the technical field of liquid injection equipment, in particular to an electrolyte injection device for lithium battery production, which is convenient for controlling injection amount.

Background

The electrolyte in a lithium battery is an important carrier for ion transport in the battery and generally consists of a lithium salt and an organic solvent. The electrolyte injection is an important process for injecting a fixed amount of electrolyte into the lithium battery, and is also an important link in the production process of the lithium battery.

The notes liquid in-process at lithium cell electrolyte all uses special equipment to annotate the liquid, current notes liquid equipment is generally controlled the notes liquid volume through the automatically controlled valve structure, such as electromagnetic flowmeter etc., in order to realize the convenient regulation and control of lithium cell production with electrolyte injection operation, but at the injection in-process of electrolyte, whole journey is for the formula operation that exposes, electrolyte contacts with the air in real time, because electrolyte concentration is higher, lithium ion is sensitive to moisture, can adsorb the hydrone in the air, cause the change of electrolyte concentration, simultaneously because electrolyte is volatile, especially can become hydrofluoric acid after the lithium hexafluorophosphate absorbs water, can cause the injury to the operating personnel health, for this we provide the lithium cell production with electrolyte injection device of the volume of being convenient for control injection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an electrolyte injection device for lithium battery production, which is convenient for controlling the injection amount, so as to solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electrolyte injection device is used in lithium cell production convenient to control injection volume, includes two bases, is provided with the conveyer belt between the opposite face of two bases, two the common fixedly connected with box of upper surface of base, the top center department fixed mounting of box has first automatically controlled hydraulic telescoping rod, the flexible end of first automatically controlled hydraulic telescoping rod run through the top of box and with the top fixed connection who annotates the liquid bucket, the bottom fixedly connected with of annotating the liquid bucket annotates the liquid pipe, the upper portion fixed mounting of annotating the liquid pipe has the solenoid valve, the bottom fixed mounting of annotating the liquid pipe annotates the liquid mouth, it is provided with the electromagnetic flowmeter to annotate liquid pipe near mouth department, the left side of box is fixed with the liquid reserve tank, the top fixed mounting of liquid reserve tank has the liquid pump for liquid, the inlet end of the liquid pump for liquid and the one end fixed connection of feed liquor pipe, the other end and the liquid reserve tank fixed connection of feed pipe extend to the inner chamber bottom of liquid reserve tank, the liquid end of pump for liquid and the one end fixed connection of drain pipe, the other end of drain pipe with annotate liquid bucket fixed connection, the equal fixed mounting in both sides of conveyer belt has the automatically controlled hydraulic telescoping rod of second, the flexible terminal fixedly connected with splint of the automatically controlled hydraulic telescoping rod of second, there is the mounting panel top of splint through connecting rod fixed mounting, the fixed mounting of center department of mounting panel has positioning sensor.

Preferably, the top fixed mounting in box has the wind channel, the air intake department fixed mounting in wind channel has the air exhauster, the air outlet department fixed mounting in wind channel has the exhaust fan, the inside in wind channel from left to right adds in proper order and is equipped with filter plate, electric heating wire, the sponge that absorbs water, electric heating wire and active carbon adsorption plate.

Preferably, the liquid injection barrel and the liquid storage tank are both made of electrolyte corrosion resistant materials.

Preferably, the liquid outlet pipe is a rubber hose with elasticity.

Preferably, the bottom of the clamping plate is connected with the upper surfaces of the two bases in a sliding mode, and anti-skid rubber pads are fixedly mounted on opposite surfaces of the two clamping plates.

Preferably, the outside of box is provided with control panel, first automatically controlled hydraulic telescoping rod, solenoid valve, electromagnetic flowmeter, pump for liquid, the automatically controlled hydraulic telescoping rod of second, positioning sensor, air exhauster, exhaust fan and electric heating wire all link to each other with control panel electrical property.

(III) advantageous effects

Compared with the prior art, the utility model provides the electrolyte injection device for lithium battery production, which is convenient for controlling the injection amount, and has the following beneficial effects:

this electrolyte injection device is used in lithium cell production convenient to control injection volume, air suction in with the operational environment through the air exhauster of wind channel air intake department, filter the granule in to the air through the filter plate board in the wind channel, then heat the air through the electrical heating silk, the hydroscopicity that sees through the sponge that absorbs water absorbs vapor, rethread electric heating wire dries, get rid of effectively the hydrone in the air, avoid causing the influence to the concentration of electrolyte, carry out high-efficient absorption to the vapor secondary absorption and to the poisonous harmful substance that electrolyte volatilizees the production through the active carbon adsorption plate simultaneously, and exhaust through the exhaust fan of wind channel air outlet department, thereby effectively get rid of the poisonous gas granule that exists in the operational environment, avoid causing harm to operating personnel's health.

Drawings

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

FIG. 2 is a top view of the base of the present invention;

fig. 3 is a schematic view of the air duct structure of the present invention.

In the figure: 1. a base; 2. a conveyor belt; 3. a box body; 4. a first electrically controlled hydraulic telescopic rod; 5. a liquid injection barrel; 6. a liquid injection pipe; 7. an electromagnetic valve; 8. a liquid injection port; 9. an electromagnetic flow meter; 10. a liquid storage tank; 11. a pump for liquid; 12. a liquid inlet pipe; 13. a liquid outlet pipe; 14. a second electrically controlled hydraulic telescopic rod; 15. a splint; 16. a connecting rod; 17. mounting a plate; 18. a positioning sensor; 19. an air duct; 20. an exhaust fan; 21. an exhaust fan; 22. a filter screen plate; 23. an electric heating wire; 24. a water-absorbing sponge; 25. an activated carbon adsorption plate.

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.

Referring to fig. 1, the utility model provides a technical scheme, an electrolyte injection device for lithium battery production convenient for controlling injection amount comprises two bases 1, a conveyor belt 2 is arranged between opposite surfaces of the two bases 1, a box body 3 is fixedly connected to upper surfaces of the two bases 1 together, a first electric control hydraulic telescopic rod 4 is fixedly installed at the center of the top of the box body 3, the telescopic tail end of the first electric control hydraulic telescopic rod 4 penetrates through the top of the box body 3 and is fixedly connected with the top of an injection barrel 5, the bottom of the injection barrel 5 is fixedly connected with an injection pipe 6, an electromagnetic valve 7 is fixedly installed at the upper part of the injection pipe 6, an injection port 8 is fixedly installed at the bottom of the injection pipe 6, an electromagnetic flowmeter 9 is arranged at the position, close to the injection port 8, of the injection pipe 6, a liquid storage tank 10 is fixedly arranged at the left side of the box body 3, and the injection barrel 5 and the liquid storage tank 10 are both made of electrolyte corrosion resistant materials, so as to ensure that the liquid storage tank is not corroded by electrolyte and prolong the service life of the liquid injection barrel 5 and the liquid storage tank 10, a pump 11 for liquid is fixedly arranged at the top of the liquid storage tank 10, the liquid inlet end of the pump 11 for liquid is fixedly connected with one end of a liquid inlet pipe 12, the other end of the liquid inlet pipe 12 is fixedly connected with the liquid storage tank 10 and extends to the bottom of the inner cavity of the liquid storage tank 10, the liquid outlet end of the pump 11 for liquid is fixedly connected with one end of a liquid outlet pipe 13, the other end of the liquid outlet pipe 13 is fixedly connected with the liquid injection barrel 5, the liquid outlet pipe 13 is an elastic rubber hose, a mounting plate 17 is fixedly arranged above a clamping plate 15 through a connecting rod 16, a positioning sensor 18 is fixedly arranged at the center of the mounting plate 17, a control panel is arranged outside the box body 3, the first electric control hydraulic telescopic rod 4, the electromagnetic valve 7, the electromagnetic flow meter 9, the liquid pump 11, the second electric control hydraulic telescopic rod 14, the exhaust fan 20, the exhaust fan 21 and the electric heating wire 23 are electrically connected with the control panel.

Referring to fig. 2, the utility model provides a technical scheme of an electrolyte injection device for lithium battery production, which is convenient for controlling injection amount, wherein two sides of a conveyor belt 2 are fixedly provided with second electric control hydraulic telescopic rods 14, the telescopic tail ends of the second electric control hydraulic telescopic rods 14 are fixedly connected with clamping plates 15, the bottoms of the clamping plates 15 are in sliding connection with the upper surfaces of two bases 1, and the opposite surfaces of the two clamping plates 15 are fixedly provided with anti-skid rubber pads, so that friction force between the clamping plates 15 and a lithium battery can be increased, stability can be improved, and the clamping plates can be prevented from being in direct contact with the outside of the lithium battery and squeezing the lithium battery.

Referring to fig. 3, the present invention provides a technical solution, in which an exhaust fan 20 is fixedly installed at an air inlet of an air duct 19, an exhaust fan 21 is fixedly installed at an air outlet of the air duct 19, and a filter screen 22, an electric heating wire 23, a water-absorbing sponge 24, the electric heating wire 23, and an activated carbon adsorption plate 25 are sequentially installed inside the air duct 19 from left to right.

The working principle of the device is as follows: at first, start for liquid pump 11 with electrolyte from liquid reserve tank 10 carry to annotating in the liquid bucket 5, conveyer belt 2 carries the lithium cell to waiting to annotate liquid department, positioning sensor 18 detects the lithium cell signals behind the assigned position, the automatically controlled hydraulic telescoping rod 14 of second starts, utilize splint 15 to fix the lithium cell, start the distance between liquid mouth 8 and the lithium cell inlet of annotating in the regulation of first automatically controlled hydraulic telescoping rod 4, open solenoid valve 7 afterwards and annotate the liquid, open air exhauster 20 and exhaust fan 21 simultaneously, utilize filter plate 22, electric heating wire 23, sponge 24 and the active carbon adsorption plate 25 that absorbs water come dehumidifies and purifies the operation environment, ensure the stability of operation environment, the protection staff is healthy not receive the harm, come accurate control electrolyte flow through electromagnetic flowmeter 9, wait to annotate the liquid and close solenoid valve 7 through control panel after accomplishing.

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 an electrolyte injection device is used in lithium cell production convenient to control injection volume, includes two bases (1), its characterized in that: a conveying belt (2) is arranged between opposite surfaces of the two bases (1), the upper surfaces of the two bases (1) are fixedly connected with a box body (3) together, a first electric control hydraulic telescopic rod (4) is fixedly arranged at the center of the top of the box body (3), the telescopic tail end of the first electric control hydraulic telescopic rod (4) penetrates through the top of the box body (3) and is fixedly connected with the top of a liquid injection barrel (5), a liquid injection pipe (6) is fixedly connected with the bottom of the liquid injection barrel (5), an electromagnetic valve (7) is fixedly arranged on the upper portion of the liquid injection pipe (6), a liquid injection port (8) is fixedly arranged on the bottom of the liquid injection pipe (6), an electromagnetic flowmeter (9) is arranged at the position, close to the liquid injection port (8), of the liquid injection pipe (6), a liquid storage tank (10) is fixedly arranged on the left side of the box body (3), and a pump (11) for liquid is fixedly arranged on the top of the liquid storage tank (10), the feed liquor end of pump (11) for liquid and the one end fixed connection of feed liquor pipe (12), the other end and liquid reserve tank (10) fixed connection of feed liquor pipe (12) extend to the inner chamber bottom of liquid reserve tank (10), the one end fixed connection of the play liquid end of pump (11) for liquid and drain pipe (13), the other end and notes liquid bucket (5) fixed connection of drain pipe (13), the equal fixed mounting in both sides of conveyer belt (2) has the automatically controlled hydraulic telescoping rod of second (14), the flexible terminal fixedly connected with splint (15) of the automatically controlled hydraulic telescoping rod of second (14), the top of splint (15) is through connecting rod (16) fixed mounting has mounting panel (17), the center department fixed mounting of mounting panel (17) has positioning sensor (18).

2. The electrolyte injection apparatus for lithium battery production convenient to control injection quantity of claim 1, wherein: the top fixed mounting of box (3) has wind channel (19), the air intake department fixed mounting in wind channel (19) has air exhauster (20), the air outlet department fixed mounting in wind channel (19) has exhaust fan (21), the inside in wind channel (19) from left to right adds in proper order and is equipped with filter plate (22), electric heating wire (23), sponge (24) absorb water, electric heating wire (23) and active carbon adsorption board (25).

3. The electrolyte injection apparatus for lithium battery production convenient to control injection quantity of claim 1, wherein: the outside of box (3) is provided with control panel, first automatically controlled hydraulic telescoping rod (4), solenoid valve (7), electromagnetic flowmeter (9), pump (11) for the liquid, automatically controlled hydraulic telescoping rod of second (14), positioning sensor (18), air exhauster (20), exhaust fan (21) and electric heating wire (23) all link to each other with control panel electrical property.

4. The electrolyte injection apparatus for lithium battery production convenient to control injection quantity of claim 1, wherein: the liquid injection barrel (5) and the liquid storage tank (10) are both made of electrolyte corrosion resistant materials.

5. The electrolyte injection apparatus for lithium battery production convenient to control injection quantity of claim 1, wherein: the liquid outlet pipe (13) is an elastic rubber hose.

6. The electrolyte injection apparatus for lithium battery production convenient to control injection quantity of claim 1, wherein: the bottom of the clamping plate (15) is connected with the upper surfaces of the two bases (1) in a sliding mode, and anti-skid rubber pads are fixedly mounted on opposite surfaces of the two clamping plates (15).