CN218975753U

CN218975753U - Automatic liquid injection device for lithium battery cell

Info

Publication number: CN218975753U
Application number: CN202223429953.9U
Authority: CN
Inventors: 肖洪才
Original assignee: Dongguan Yongdeli New Energy Co ltd
Current assignee: Dongguan Yongdeli New Energy Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-05
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to an automatic liquid injection device for a lithium battery core, which belongs to the technical field of liquid injection of lithium battery cores and comprises a liquid injection box, wherein heating pipes are respectively arranged at the upper ends of two sides of the inner rear end of the liquid injection box, a vacuum pump is arranged at the top of the liquid injection box, a suction hole is formed in one side of the inner top end of the liquid injection box, and the suction end of the vacuum pump is communicated with a suction pipe.

Description

Automatic liquid injection device for lithium battery cell

Technical Field

The utility model relates to the technical field of lithium battery cell liquid injection, in particular to an automatic liquid injection device for a lithium battery cell.

Background

The lithium battery is a battery using lithium metal or lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, and therefore, unlike other batteries, the lithium battery has the characteristics of high charge density, long service life, high unit cost and the like, and the shape and size of the lithium battery are various, wherein the columnar lithium battery is one of the lithium batteries, and the electrolyte needs to be filled into the battery in the production process of the columnar lithium battery.

The utility model discloses a full-automatic liquid injection device for a cylindrical power lithium battery, which comprises a liquid injection device main body, wherein a display screen is arranged on the front surface of the liquid injection device main body, a power switch is arranged on one side, close to the display screen, of the front surface of the liquid injection device main body, an adjusting key is arranged below, close to the display screen, of the front surface of the liquid injection device main body, a movable plate is arranged on the middle surface of the upper end of the liquid injection device main body, a rotating disc is arranged on the upper end surface of the movable plate, a base plate is arranged on the upper end surface of the rotating disc, a clamping plate is arranged at the upper end of the base plate, a battery processing template is arranged on the upper end, close to the inner surface of the clamping plate, of the upper end rear portion of the liquid injection device main body, and the full-automatic liquid injection device for the cylindrical power lithium battery can improve tightness and stability in operation of the device, and brings better use prospects.

The above-mentioned existing devices also have the following disadvantages:

(1) In the process of filling the electrolyte of the lithium battery in the prior art, in order to ensure that the lithium battery produces a qualified product, the temperature and the dryness of the lithium battery need to be kept relatively high, and if the humidity is too high or the temperature is too low, the filling of the electrolyte can be adversely affected, so that the quality of the produced lithium battery is difficult to ensure, and even safety accidents occur.

Disclosure of Invention

The utility model aims to provide an automatic liquid injection device for a lithium battery cell, which aims to solve the problems in the background technology.

The technical scheme of the utility model is as follows: including annotating the liquid case, the heating pipe is installed respectively to the inside rear end both sides upper end of annotating the liquid case, the top of annotating the liquid case is provided with the vacuum pump, the suction opening has been seted up on inside top one side of annotating the liquid case, the suction end intercommunication of vacuum pump has the exhaust tube, the exhaust tube with the suction opening is linked together, sealed glass door is installed to front end one side of annotating the liquid case, the inside bottom of annotating the liquid case is provided with the conveying subassembly, the conveying subassembly is including the baffle, the spacing groove has been seted up to the upper end of baffle, the inside of spacing groove is provided with the conveyer belt, one side externally mounted of annotating the liquid case has the controller.

Further, two hydraulic rods are fixedly connected to the inner top end of the liquid injection box, the telescopic ends of the two hydraulic rods are detachably and fixedly connected with the same liquid storage barrel through bolts and nuts, and a plurality of liquid injection heads are communicated with the lower end of the liquid storage barrel.

Further, a liquid storage tank is arranged on one side of the top of the liquid injection tank, a liquid pump is arranged on one side of the liquid storage tank, a liquid suction end of the liquid pump is communicated with the liquid storage tank, a liquid outlet end of the liquid pump is communicated with a stretchable conveying pipe, and the other end of the stretchable conveying pipe penetrates through the top of the liquid injection tank and one side of the liquid storage cylinder to be communicated.

Further, an infrared sensor is installed at the lower end of one side of the liquid storage barrel, and the infrared sensor, the conveying belt and the two hydraulic rods are electrically connected with the controller.

Further, the conveyer belt is gone up and is conveyed the fixed box, be provided with a plurality of locating component in the fixed box, locating component is all including seting up locating slot on the fixed box still including the fixed box is inside to be seting up a plurality of collection chambeies, a plurality of collection chambeies are located a plurality of respectively around the locating slot, and with the locating slot intercommunication all around, a plurality of the inside upper and lower extreme in collection chamber is fixedly connected with extension spring respectively, two liang extension spring's the other end fixed connection same grip block, a plurality of the inside battery body that has been inserted respectively of locating slot, a plurality of the grip block is located a plurality of respectively around the inside of locating slot, a plurality of the grip block respectively with a plurality of battery body's contact all around, locating component with annotate the quantity of liquid head is corresponding.

Further, the front side and the rear side of the middle of the baffle are respectively provided with a groove, two electric telescopic rods are respectively fixedly connected to two inner sides of the grooves, the telescopic ends of the electric telescopic rods are fixedly connected with the same push plate, and the push plates are respectively located on two sides of the lower end of the liquid storage barrel.

Compared with the prior art, the automatic liquid injection device for the lithium battery cell provided by the utility model has the following improvements and advantages:

according to the utility model, the heating pipe is arranged, so that the liquid injection box is convenient to heat, the vacuum pump is arranged, the vacuum treatment is convenient to carry out on the inside of the liquid injection box, the vacuum pump is started, the humidity inside the liquid injection box is ensured, the pressure in the filling process is ensured, the liquid injection is convenient to be carried out on the battery body, and the liquid injection efficiency of the battery is improved by arranging the plurality of positioning components and the liquid injection heads corresponding to the plurality of positioning components.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the cylinder of the present utility model;

FIG. 3 is a schematic diagram showing the front view of the first moving plate according to the present utility model;

fig. 4 is a schematic front view of the second moving plate according to the present utility model.

Reference numerals illustrate: 1. a liquid injection box; 3. a transfer assembly; 4. a baffle; 5. a limit groove; 6. a conveyor belt; 7. a groove; 8. an electric telescopic rod; 9. a push plate; 10. heating pipes; 11. a vacuum pump; 12. an exhaust pipe; 13. an air suction hole; 14. a hydraulic rod; 15. a liquid storage cylinder; 16. a liquid injection head; 17. an infrared sensor; 18. a controller; 19. a liquid storage tank; 20. a liquid pump; 21. a stretchable delivery tube; 23. a fixed box; 24. a positioning assembly; 25. a positioning groove; 26. a collection cavity; 27. a telescopic spring; 28. a clamping plate; 29. a battery body.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an automatic lithium battery cell liquid injection device through improvement, as shown in fig. 1-4, the automatic lithium battery cell liquid injection device comprises a liquid injection box 1, heating pipes 10 are respectively arranged at the upper ends of two sides of the inner rear end of the liquid injection box 1, the heating pipes 10 are preferably controlled by workers, the concrete structure is that the prior art is adopted, the technical scheme is not excessively described, the top of the liquid injection box 1 is provided with a vacuum pump 11, one side of the inner top end of the liquid injection box 1 is provided with a gas suction hole 13, the gas suction end of the vacuum pump 11 is communicated with a gas suction pipe 12, the gas suction pipe 12 is communicated with the gas suction hole 13, one side of the front end of the liquid injection box 1 is provided with a sealing glass door, the inner bottom end of the liquid injection box 1 is provided with a conveying component 3, the conveying component 3 comprises a baffle 4, the upper end of the baffle 4 is provided with a limit groove 5, the inner part of the limit groove 5 is provided with a conveying belt 6, one side of the liquid injection box 1 is externally provided with a controller 18, the model S7-300 is provided, the vacuum pump 11 is conveniently heated by arranging the heating pipes 10, the liquid injection box 1 is conveniently to be processed in the inner part of the liquid injection box 1, the liquid injection box is conveniently processed by arranging the vacuum pump 11, the vacuum pump 11 is conveniently, the vacuum pump is conveniently processed in the vacuum pump 1, the vacuum pump can be conveniently pumped in the vacuum pump 1 and the vacuum pump can be conveniently opened in the vacuum pump 1 and the liquid injection box 1.

The inside top fixedly connected with two hydraulic stems 14 of annotating liquid case 1, the flexible end of two hydraulic stems 14 can dismantle fixedly connected with same reservoir drum 15 through the bolt and nut, and the lower extreme intercommunication of reservoir drum 15 has a plurality of notes liquid head 16, through setting up a plurality of notes liquid head 16, is convenient for annotate liquid to a plurality of battery body 29 simultaneously.

The top side of annotating liquid case 1 is provided with liquid reserve tank 19, and one side of liquid reserve tank 19 is provided with liquid pump 20, and liquid suction end and the liquid reserve tank 19 of liquid pump 20 are linked together, and the liquid outlet end of liquid pump 20 is linked together there is stretchable conveyer pipe 21, and stretchable conveyer pipe 21's the other end is linked together through the top of annotating liquid case 1 and one side of liquid reserve tank 15, through starting liquid pump 20, and liquid pump 20 is with the inside electrolyte of liquid reserve tank 19 suction liquid reserve tank 15 inside.

An infrared sensor 17 is installed at the lower end of one side of the liquid storage barrel 15, the model is MRT201, the infrared sensor 17, the conveying belt 6 and the two hydraulic rods 14 are electrically connected with a controller 18, the conveying belt 6 is arranged for conveying, the infrared sensor 17 senses a fixed box 23, signals are transmitted to the controller 18, and the controller 18 controls the conveying belt 6 to stop.

The conveyer belt 6 is provided with a fixed box 23, a plurality of locating components 24 are arranged in the fixed box 23, each locating component 24 comprises a locating groove 25 formed in the fixed box 23, a plurality of collecting cavities 26 are formed in the fixed box 23, the collecting cavities 26 are respectively located around the locating grooves 25 and are communicated with the locating grooves 25, the upper ends and the lower ends of the inner parts of the collecting cavities 26 are respectively fixedly connected with telescopic springs 27, the other ends of the two telescopic springs 27 are fixedly connected with one clamping plate 28, battery bodies 29 are respectively inserted into the locating grooves 25, the clamping plates 28 are respectively located around the inner parts of the locating grooves 25, the clamping plates 28 are respectively contacted with the periphery of the battery bodies 29, and the locating components 24 correspond to the liquid injection heads 16 in number, so that the battery bodies 29 with different sizes can be conveniently located through the telescopic springs 27.

The middle front and back both sides of baffle 4 are offered recess 7 respectively, and the inside both sides of two recesses 7 are electric telescopic handle 8 of fixedly connected with respectively, and the flexible end fixed connection of two liang electric telescopic handle 8 is same push pedal 9, and two liang push pedal 9 all are located the lower extreme both sides of reservoir 15, through setting up electric telescopic handle 8 and push pedal 9, when making annotate the liquid, fixed box 23 corresponds with annotating liquid head 16 all the time through the promotion of push pedal 9, is convenient for follow-up notes liquid.

Working principle: starting the heating pipe 10 and the vacuum pump 11, the battery body 29 is clamped into the positioning groove 25, the fixing box 23 is fully filled, the battery bodies 29 with different sizes are conveniently positioned by arranging the telescopic springs 27, a plurality of fixing boxes 23 with the battery bodies 29 placed on the conveying belt 6 are started, the conveying belt 6 is started, when a group of fixing boxes 23 fully filled with batteries are conveyed through the conveying belt 6, the infrared sensor 17 senses the fixing boxes 23, signals are transmitted to the controller 18, the controller 18 controls the conveying belt 6 to stop, the electric telescopic rods 8 are started, the two electric telescopic rods 8 at the front end and the rear end of the baffle 4 stretch out and draw back at the same speed at the same time, the fixing boxes 23 are pushed to be positioned in the middle of the conveying belt 6 and correspond to the liquid storage barrel 15, meanwhile, the liquid injection head 16 corresponds to the plurality of battery bodies 29, the liquid pressure rod 14 is started, the liquid pump 20 is started, and the liquid injection head 16 and the battery bodies 29 are in liquid injection point contact, and liquid injection is carried out.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an automatic priming device of lithium cell which characterized in that: including annotating liquid case (1), heating pipe (10) are installed respectively to the inside rear end both sides upper end of annotating liquid case (1), the top of annotating liquid case (1) is provided with vacuum pump (11), suction opening (13) have been seted up on inside top one side of annotating liquid case (1), the bleed end intercommunication of vacuum pump (11) has exhaust tube (12), exhaust tube (12) with suction opening (13) are linked together, sealed glass door is installed to front end one side of annotating liquid case (1), the inside bottom of annotating liquid case (1) is provided with conveying subassembly (3), conveying subassembly (3) are including baffle (4), limiting groove (5) have been seted up to the upper end of baffle (4), the inside of limiting groove (5) is provided with conveyer belt (6), one side externally mounted of annotating liquid case (1) has controller (18).

2. The automatic lithium battery cell electrolyte injection device according to claim 1, wherein: the liquid injection device is characterized in that two hydraulic rods (14) are fixedly connected to the inner top end of the liquid injection box (1), the telescopic ends of the two hydraulic rods (14) are detachably and fixedly connected with the same liquid storage barrel (15) through bolts and nuts, and a plurality of liquid injection heads (16) are communicated with the lower end of the liquid storage barrel (15).

3. The automatic lithium battery cell electrolyte injection device according to claim 2, wherein: the utility model discloses a liquid filling box, including annotating liquid tank (1), annotate top one side of liquid tank (1) and be provided with liquid tank (19), one side of liquid tank (19) is provided with liquid pump (20), liquid pump (20) imbibition end with liquid tank (19) are linked together, liquid pump (20)'s play liquid end intercommunication has stretchable conveyer pipe (21), stretchable conveyer pipe (21)'s the other end passes annotate the top of liquid tank (1) with one side of liquid storage cylinder (15) is linked together.

4. The automatic lithium battery cell electrolyte injection device according to claim 2, wherein: an infrared sensor (17) is arranged at the lower end of one side of the liquid storage barrel (15), and the infrared sensor (17), the conveying belt (6) and the two hydraulic rods (14) are electrically connected with the controller (18).

5. The automatic lithium battery cell electrolyte injection device according to claim 2, wherein: the utility model discloses a conveyer belt (6) is provided with fixed box (23), be provided with a plurality of locating component (24) in fixed box (23), locating component (24) are all including seting up constant head tank (25) on fixed box (23), still including fixed box (23) are inside to be seting up a plurality of collection chamber (26), a plurality of collection chamber (26) are located a plurality of respectively constant head tank (25) all around, and with constant head tank (25) intercommunication all around, a plurality of the inside upper and lower extreme of collection chamber (26) is telescopic spring (27) fixedly connected with respectively, two the other end fixed connection same grip block (28) of telescopic spring (27), a plurality of inside having inserted respectively of constant head tank (25) is equipped with battery body (29), a plurality of grip block (28) are located a plurality of respectively all around, a plurality of grip block (28) respectively with a plurality of battery body (29) contact all around, locating component (24) with the quantity of annotating liquid head (16) is corresponding.

6. The automatic lithium battery cell electrolyte injection device according to claim 3, wherein: the two sides around the centre of baffle (4) are offered recess (7) respectively, two the inside both sides of recess (7) are electric telescopic handle (8) of fixedly connected with respectively, two liang electric telescopic handle (8) expansion end fixed connection same push pedal (9), two liang push pedal (9) all are located the lower extreme both sides of reservoir (15).