CN220291041U - Semi-automatic liquid frock and device of annotating of big cylinder battery - Google Patents

Abstract

The utility model relates to the technical field of energy storage batteries, in particular to a semi-automatic liquid injection tool and device for a large cylindrical battery. The frock includes annotates the liquid support, annotates the liquid support and includes: a plurality of cell setting positions, elastic limiting pieces, liquid injection measuring cylinders and liquid injection sealing pieces; the electric core to be injected with liquid is vertically fixed on the electric core setting position by an elastic limiting piece, the electric core and the liquid injection amount cylinder are in sealing connection through a liquid injection sealing piece, and the space of the electric core setting position can be adjusted according to the heights of different electric cores; the arrangement of the plurality of battery cells meets the liquid injection requirement of the small-batch large-cylinder battery, and meanwhile, the existence of the liquid injection sealing piece prevents the battery and the electrolyte from being influenced by air in the liquid injection process. The whole tool has the advantages of stable structure, simple liquid injection operation, time and labor saving and strong adjustability and practicability.

Description

Semi-automatic liquid frock and device of annotating of big cylinder battery

Technical Field

The utility model relates to the technical field of energy storage batteries, in particular to a semi-automatic liquid injection tool and device for a large cylindrical battery.

Background

In the prior art, the injection of the large cylindrical battery still has some problems, because the gap between the battery inner cell and the outer shell is narrow and the large cylindrical battery usually adopts full-lug, rubbing and flattening processes, the electrolyte is difficult to infiltrate into the pole piece by manual injection, and meanwhile, all the electrolyte cannot be directly injected from the injection port at one time. The long time of liquid injection and low liquid injection efficiency are caused, and the battery performance can be influenced by long-time exposure of the battery cell and the electrolyte to the air, so that the operation needs to be completed by means of a liquid injection tool. But single annotate liquid frock lacks the effect of evacuation or plus the malleation, and the pressure of electrolyte just relies on when standing to annotate liquid downwards and spends time overlength, uses through collocation pressure vessel, can realize annotating liquid fast, labour saving and time saving avoids influencing battery performance.

Disclosure of Invention

In order to overcome the technical problems, the utility model provides a semi-automatic liquid injection tool for large cylindrical batteries, which can meet the liquid injection requirement of small-batch large cylindrical batteries by arranging a plurality of cell placement positions on a liquid injection support, simultaneously, rapidly and stably fix the batteries to be injected by arranging an elastic limiting part and a groove, and simultaneously, arranging guide rails on a fixing frame, thereby meeting the liquid injection requirement of large cylindrical batteries with different heights, and arranging a liquid injection sealing part on a liquid injection cylinder fixing plate, so as to avoid the influence of air on the batteries and electrolyte in the liquid injection process. The whole tool has the advantages of stable structure, simple liquid injection operation, time and labor saving and strong adjustability and practicability.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a semi-automatic liquid injection tool for a large cylindrical battery, including a liquid injection support for accommodating a battery cell to be injected, the liquid injection support including:

a plurality of cell placement sites;

the elastic limiting piece is arranged at the bottom of the battery cell positioning position and is used for jacking up the battery cell so as to limit the battery cell on the battery cell positioning position;

the liquid injection measuring cylinder is arranged at the top of the cell positioning position and is used for injecting liquid into the cell;

and the liquid injection sealing piece is arranged between the liquid injection measuring cylinder and the cell placement position and is used for sealing a flow passage between the cell and the liquid injection measuring cylinder.

Preferably, the cell placement position includes a plurality of grooves, each of which is configured to match the shape of the cell to limit the position of the cell in the horizontal direction.

Preferably, the liquid injection support comprises a liquid injection cylinder fixing plate for fixing the liquid injection cylinder from the top and the bottom.

Preferably, the liquid injection tooling comprises a fixed frame, a guide rail is arranged on the fixed frame, and the liquid injection cylinder fixing plate can be locked and fixed on the guide rail.

Preferably, a plurality of liquid injection channels are arranged on a liquid injection cylinder fixing plate of the liquid injection cylinder; the liquid injection seal includes:

one end of the sealing tube is connected with the liquid injection amount cylinder, and the other end of the sealing tube is used for being inserted into the battery cell;

the sealing ring is sleeved in the groove of the sealing tube and is used for sealing a flow passage between the sealing tube and the battery cell;

and the sealing nut is sleeved on the periphery of the sealing tube and used for fixing the sealing tube.

The second aspect of the present utility model provides a semi-automatic liquid injection device for a large cylindrical battery, comprising:

annotate liquid support includes:

a plurality of cell placement sites;

the elastic limiting piece is arranged at the bottom of the battery cell positioning position and is used for jacking up the battery cell so as to limit the battery cell on the battery cell positioning position;

the liquid injection measuring cylinder is arranged at the top of the cell positioning position and is used for injecting liquid into the cell;

the liquid injection sealing piece is arranged between the liquid injection measuring cylinder and the cell placement position and is used for sealing a flow channel between the cell and the liquid injection measuring cylinder;

and the pressure container is used for placing the liquid injection bracket.

Preferably, the cell placement position includes a plurality of grooves, each of which is configured to match the shape of the cell to limit the position of the cell in the horizontal direction.

Preferably, the liquid injection support comprises a liquid injection cylinder fixing plate for fixing the liquid injection cylinder from the top and the bottom.

Preferably, the liquid injection support further comprises a fixing frame, a guide rail is arranged on the fixing frame, and the liquid injection cylinder fixing plate can be locked and fixed on the guide rail.

Preferably, a plurality of liquid injection channels are arranged on a liquid injection cylinder fixing plate of the liquid injection cylinder; the liquid injection seal includes:

one end of the sealing tube is connected with the liquid injection amount cylinder, and the other end of the sealing tube is used for being inserted into the battery cell;

the sealing ring is sleeved in the groove of the sealing tube and is used for sealing a flow passage between the sealing tube and the battery cell;

and the sealing nut is sleeved on the periphery of the sealing tube and used for fixing the sealing tube.

Through above-mentioned technical scheme, this frock can be through setting up a plurality of electric core arrangement positions on annotating the liquid support, satisfies the notes liquid requirement of small batch big cylinder battery, sets up elasticity locating part and recess simultaneously and comes the battery of fixed waiting to annotate liquid steadily fast, is provided with the guide rail on the fixed frame simultaneously, satisfies the requirement of not high big cylinder battery notes liquid to be equipped with annotating liquid sealing member on annotating liquid volume section of thick bamboo fixed plate, avoid annotating liquid in-process and cause battery and electrolyte to receive the air influence. The whole tool has the advantages of stable structure, simple liquid injection operation, time and labor saving and strong adjustability and practicability.

Drawings

FIG. 1 is a schematic diagram of a semi-automatic liquid injection tooling for a large cylindrical battery according to one embodiment of the utility model;

FIG. 2 is a schematic view of a pressure vessel of a large cylindrical battery semi-automatic priming device in accordance with one embodiment of the present utility model;

FIG. 3 is an exploded schematic view of a liquid injection seal of a semi-automatic liquid injection tooling for a large cylindrical battery according to one embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a seal tube of a semi-automatic large cylindrical battery injection tool according to one embodiment of the present utility model;

fig. 5 is a schematic view of a liquid injection barrel fixing plate of a large cylindrical battery semiautomatic liquid injection tool according to an embodiment of the present utility model.

Description of the reference numerals

1. Liquid injection support 2 and cell placement position

3. Elastic limiting piece 4 and battery cell

5. Liquid injection amount cylinder 6 and liquid injection sealing member

7. Groove 8 and liquid injection amount cylinder fixing plate

9. Fixed frame 10 and guide rail

11. Liquid injection channel 12 and sealing tube

13. Sealing ring 14 and sealing nut

15. Pressure vessel 16, platform

17. Nitrogen gas pipe 18, vacuum pipe

19. Baffle 20, pressure gauge

21. Relief valve 22, annular groove

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the embodiments of the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Fig. 1 is a schematic diagram of a semi-automatic liquid injection tool for a large cylindrical battery according to an embodiment of the utility model. In fig. 1, the semi-automatic liquid injection tooling for the large cylindrical battery comprises a liquid injection support 1, wherein a plurality of battery cell placement positions 2, an elastic limiting part 3, a liquid injection measuring cylinder 5 and a liquid injection sealing part 6 can be arranged on the liquid injection support 1. Specifically, the liquid injection bracket 1 can be provided with a plurality of cell placement positions 2 in the middle; the bottom of the cell placement position 2 can be provided with an elastic limiting piece 3 for jacking up the cell 4 and limiting the cell 4 to be positioned at the cell placement position 2; the top of the cell placement position 2 can be provided with a liquid injection cylinder 5, and a certain amount of electrolyte can be injected into the cell 4; a liquid injection sealing piece 6 can be arranged between the cell placement position 2 and the liquid injection amount cylinder 5 to prevent electrolyte leakage in the liquid injection process.

Through the liquid injection tool shown in fig. 1, in the liquid injection process, a plurality of electric core placement positions arranged on the liquid injection support meet the liquid injection requirement of a small batch of large-cylindrical batteries, and meanwhile, an elastic limiting piece is arranged to quickly and stably fix the batteries to be injected, and a liquid injection sealing piece is arranged to prevent leakage of electrolyte; and this frock simple structure and stability, annotate liquid easy and simple to handle, labour saving and time saving, the practicality is strong.

FIG. 3 is an exploded view of a liquid injection seal of a semi-automatic liquid injection tooling for a large cylindrical battery according to one embodiment of the present utility model; FIG. 4 is a cross-sectional view of a seal tube of a semi-automatic large cylindrical battery filling tool according to one embodiment of the present utility model; fig. 5 is a schematic view of a liquid injection barrel fixing plate of a semi-automatic liquid injection tool for a large cylindrical battery according to an embodiment of the present utility model. In fig. 1, a battery cell 4 is disposed at a battery cell placement position 2, an elastic limiting member 3 pushes up the battery cell 4 from the bottom to contact a liquid injection measuring cylinder 5 to maintain the battery cell 4 in a vertical state, in order to prevent the battery cell 4 from toppling, in one embodiment of the present utility model, a groove 7 may be disposed at the battery cell placement position 2, each groove 7 is matched with the shape of the battery cell 4, and further, the position of the battery cell 4 in the horizontal direction is limited, so as to achieve the purpose of toppling prevention.

In fig. 1, the battery cell 4 is vertically disposed at the top of the battery cell placement position 2, and in the injection operation, it is necessary to move the injection cylinder 5 up and down when the heights of the batteries are different, but in order to simultaneously move a plurality of injection cylinders 5, in one embodiment of the present utility model, the bottom and top of the injection cylinder 5 may be provided with injection cylinder fixing plates 8, and the top of the injection cylinder 5 may be connected with the injection cylinder fixing plate 5 at the top through bolts to prevent the injection cylinder 5 from sliding down. Meanwhile, considering the requirement of meeting the battery sizes of different heights, in one embodiment of the utility model, the liquid injection tool can comprise a fixed frame 9 which is arranged at two sides of the liquid injection tool, and a guide rail 10 can be arranged on the fixed frame 9, and the lockable movable liquid injection cylinder fixing plate 8 can meet the vertical space adjustment of the battery cell placement position 2.

In fig. 1, 3, 4 and 5, a liquid injection cylinder fixing plate 8 located at the bottom of the liquid injection cylinder 5 is used for supporting the liquid injection cylinder 5, and meanwhile, the liquid injection cylinder 5 needs to be connected with a battery cell 4 on a battery cell mounting position 2 downwards, and in one embodiment of the present utility model, a liquid injection channel 11 may be arranged on the liquid injection cylinder fixing plate 5. Meanwhile, in order to seal the battery cell 4 and the liquid injection cylinder 5, a liquid injection sealing member 6 may be arranged on the liquid injection cylinder fixing plate 5, and in one embodiment of the present utility model, the liquid injection sealing member 6 further comprises a sealing tube 12, a sealing ring 13 and a sealing nut 14. The sealing tube 12 is connected with the liquid injection cylinder 5, the liquid injection port of the liquid injection cylinder 5 is directly inserted into the sealing tube 12, meanwhile, the upper end of the sealing tube 12 is further provided with threads, the sealing nut 14 is matched with the periphery of the sealing tube 12 and is connected with the upper portion of the liquid injection cylinder fixing plate 8 positioned at the bottom of the liquid injection cylinder 5, the lower end of the sealing tube 12 is tightly attached to the lower portion of the liquid injection cylinder fixing plate 8 positioned at the bottom of the liquid injection cylinder 5, the lower end of the sealing tube 12 can be further provided with an annular groove 22, a sealing ring 13 can be arranged in the annular groove 22, the top of the battery cell 4 is upwards jacked to be connected with the sealing ring 13 in the annular groove 22, and the liquid injection sealing piece 6 can keep good sealing effect under the condition of locking and jacking down to prevent electrolyte leakage.

FIG. 2 is a schematic view of a pressure vessel of a semi-automatic liquid injection device for a large cylindrical battery according to an embodiment of the present utility model; on the other hand, the utility model provides a semi-automatic liquid injection device of a large cylindrical battery, which comprises a pressure container 15 and a liquid injection bracket 1; the liquid injection support 1 can be provided with a plurality of battery cell placement positions 2, an elastic limiting part 3, a liquid injection measuring cylinder 5 and a liquid injection sealing part 6. Specifically, in fig. 2, a platform 16 may be provided inside the pressure vessel 15 for placing the liquid injection support 1, the pressure vessel 15 is provided with a baffle 19 for sealing the entire pressure vessel 15, the bottom of the pressure vessel 15 may be provided with a vacuum pipe 18 and a nitrogen pipe 17, and the top is provided with a pressure gauge 20 and an overflow valve 21. The liquid injection bracket 1 can be provided with a plurality of cell placement positions 2 in the middle; the bottom of the cell placement position 2 can be provided with an elastic limiting piece 3 for jacking up the cell 4 and limiting the cell 4 to be positioned at the cell placement position 2; the top of the cell placement position 2 can be provided with a liquid injection cylinder 5, and a certain amount of electrolyte can be injected into the cell 4; a liquid injection sealing piece 6 can be arranged between the cell placement position 2 and the liquid injection amount cylinder 5 to prevent electrolyte leakage in the liquid injection process. After the liquid injection support 1 is installed, the liquid injection support is placed into a platform 16 of a pressure container 15, the pressure container 15 is vacuumized and pressurized by nitrogen, so that the pressure container 15 is in positive pressure, meanwhile, the pressure in the pressure container can be monitored through a pressure instrument meter 20, and the overflow valve 21 can automatically deflate when the pressure is high, so that the internal air pressure is reduced, and electrolyte can flow into a battery under the condition of negative pressure in a positive pressure environment, so that the liquid injection time is saved. After the electrolyte in the liquid injection amount cylinder 5 completely enters the battery, the air release opening can be opened to release air so that the pressure container 15 returns to normal pressure after the required liquid injection amount is achieved, and the pressure container 15 is vacuumized again, so that the gas which cannot be discharged in the battery due to the positive pressure environment before can be discharged in a homeopathic manner, the purpose of defoaming the battery is achieved, and the quality of the battery is improved.

Through the priming device as shown in fig. 1 and 2, the device can perform operations such as vacuumizing and nitrogen pressurization through a pressure container, so that the priming time is saved, electrolyte defoaming is performed, the quality of the battery is improved, meanwhile, a plurality of cell placement positions arranged on a priming support meet the priming requirement of small-batch large-cylinder batteries, meanwhile, an elastic limiting piece is arranged to quickly and stably fix the battery to be primed, and a priming sealing piece is arranged to prevent leakage of the electrolyte; and this frock simple structure and stability, annotate liquid easy and simple to handle, labour saving and time saving, the practicality is strong.

In fig. 1, a battery cell 4 is disposed in a battery cell placement position 2, the battery cell 4 is disposed on the battery cell placement position 2, after an elastic limiting member 3 is pressed downward, the battery cell 4 is pushed upward into an annular groove 22 of a sealing tube 12 contacting a liquid injection sealing member 6 to maintain the battery cell 4 in a vertical state, in order to prevent the battery cell 4 from toppling over, in one embodiment of the present utility model, a groove 7 may be disposed in the battery cell placement position 2, each groove 7 is matched with the shape of the battery cell 4, and thus the position of the battery cell 4 in the horizontal direction is limited, so as to achieve the purpose of toppling prevention.

In fig. 1, the battery cell 4 is vertically disposed at the top of the battery cell placement position 2, and in the injection operation, it is necessary to move the injection cylinder 5 up and down when the heights of the batteries are different, but in order to simultaneously move a plurality of injection cylinders 5, in one embodiment of the present utility model, the bottom and the top of the injection cylinder 5 may be provided with injection cylinder fixing plates 8, and the top of the injection cylinder 5 may be connected with the injection cylinder fixing plates 8 at the top through bolts to prevent the injection cylinder 5 from sliding down. Meanwhile, considering the requirement of meeting the battery sizes of different heights, in one embodiment of the utility model, the liquid injection tool can comprise a fixed frame 9 which is arranged at two sides of the liquid injection tool, and a guide rail 10 can be arranged on the fixed frame 9, and the lockable movable liquid injection cylinder fixing plate 8 can meet the vertical space adjustment of the battery cell placement position 2.

In fig. 1, 3, 4 and 5, a liquid injection cylinder fixing plate 8 located at the bottom of the liquid injection cylinder 5 is used for supporting the liquid injection cylinder 5, and the liquid injection cylinder 5 needs to be connected with the battery cell 4 on the battery cell mounting position 2, in one embodiment of the present utility model, a liquid injection channel 11 may be provided on the liquid injection cylinder fixing plate 8. In order to seal the battery cell 4 and the liquid injection cylinder 5, a liquid injection sealing member 6 may be disposed on the liquid injection cylinder fixing plate 8, and in one embodiment of the present utility model, the liquid injection sealing member 6 further includes a sealing tube 12, a sealing ring 13, and a sealing nut 14. The sealing tube 12 is connected with the liquid injection cylinder 8, a liquid injection port of the liquid injection cylinder 8 is directly inserted into the sealing tube 12, meanwhile, threads are further arranged at the upper end of the sealing tube 12, the sealing nut 14 is matched with the periphery of the sealing tube 12 and is connected to the upper portion of the liquid injection cylinder fixing plate 8 positioned at the bottom of the liquid injection cylinder 5, the lower end of the sealing tube 12 is tightly attached to the lower portion of the liquid injection cylinder fixing plate 8 positioned at the bottom of the liquid injection cylinder 5, an annular groove 22 is further formed in the lower end of the sealing tube 12, a sealing ring 13 can be arranged in the annular groove 22, the top of the battery cell 2 is jacked up to be connected with the sealing ring 13 in the annular groove 22, and a good sealing effect can be kept on the liquid injection sealing piece 6 under the condition of locking down the top, so that leakage of electrolyte is prevented.

Through the priming device of fig. 1 and 2, the device can carry out operations such as evacuation and nitrogen pressurization through pressure vessel, practice thrift the notes liquid time and carry out electrolyte defoaming, improve the quality of battery, the notes liquid requirement of big cylinder battery of small batch has been satisfied to a plurality of electric core arrangement positions that set up on the notes liquid support, set up elasticity locating part and recess simultaneously and come the battery of fixed waiting to annotate liquid steadily, be provided with the guide rail on the fixed frame simultaneously, satisfy the requirement of big cylinder battery notes liquid of different co-altitude, and be equipped with notes liquid sealing member on annotating liquid section of thick bamboo fixed plate, avoid annotating liquid in-process and cause battery and electrolyte to receive the air influence. The whole tool has the advantages of stable structure, simple liquid injection operation, time and labor saving and strong adjustability and practicability.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (10)

1. The utility model provides a semi-automatic notes liquid frock of big cylinder battery, its characterized in that includes notes liquid support for settle the electric core of waiting to annotate liquid, annotate liquid support and include:

a plurality of cell placement sites;

the elastic limiting piece is arranged at the bottom of the battery cell positioning position and is used for jacking up the battery cell so as to limit the battery cell on the battery cell positioning position;

the liquid injection measuring cylinder is arranged at the top of the cell positioning position and is used for injecting liquid into the cell;

and the liquid injection sealing piece is arranged between the liquid injection measuring cylinder and the cell placement position and is used for sealing a flow passage between the cell and the liquid injection measuring cylinder.

2. The tool of claim 1, wherein the cell placement location comprises a plurality of grooves, each groove configured to match a shape of the cell to limit a position of the cell in a horizontal direction.

3. The liquid injection tooling of claim 1, wherein the liquid injection support comprises a liquid injection cylinder fixing plate for fixing the liquid injection cylinder from the top and bottom.

4. A liquid injection fixture as claimed in claim 3 wherein the liquid injection fixture comprises a fixed frame on which is provided a guide rail, the liquid injection barrel fixing plate being lockably secured to the guide rail.

5. The liquid injection tool according to claim 3, wherein a plurality of liquid injection channels are arranged on a liquid injection cylinder fixing plate of the liquid injection cylinder;

the liquid injection seal includes:

one end of the sealing tube is connected with the liquid injection amount cylinder, and the other end of the sealing tube is used for being inserted into the battery cell;

the sealing ring is sleeved in the annular groove of the sealing tube and is used for sealing a flow passage between the sealing tube and the battery cell;

and the sealing nut is sleeved on the periphery of the sealing tube and used for fixing the sealing tube.

6. A semi-automatic priming device for a large cylindrical battery, comprising:

annotate liquid support includes:

a plurality of cell placement sites;

the elastic limiting piece is arranged at the bottom of the battery cell positioning position and is used for jacking up the battery cell so as to limit the battery cell on the battery cell positioning position;

the liquid injection measuring cylinder is arranged at the top of the cell positioning position and is used for injecting liquid into the cell;

the liquid injection sealing piece is arranged between the liquid injection measuring cylinder and the cell placement position and is used for sealing a flow channel between the cell and the liquid injection measuring cylinder;

and the pressure container is used for placing the liquid injection bracket.

7. The priming device of claim 6, wherein the cell placement comprises a plurality of grooves, each groove for matching a shape of the cell to limit a position of the cell in a horizontal direction.

8. The priming device of claim 6, wherein the priming holder comprises a priming cartridge securing plate for securing the priming cartridge from top and bottom.

9. The priming device of claim 8, wherein the priming support further comprises a securing frame having a rail disposed thereon, the priming cartridge securing plate being lockably secured to the rail.

10. The priming device of claim 8, wherein a plurality of priming channels are provided on a priming cartridge mounting plate of the priming cartridge;

the liquid injection seal includes:

one end of the sealing tube is connected with the liquid injection amount cylinder, and the other end of the sealing tube is used for being inserted into the battery cell;

the sealing ring is sleeved in the annular groove of the sealing tube and is used for sealing a flow passage between the sealing tube and the battery cell;

and the sealing nut is sleeved on the periphery of the sealing tube and used for fixing the sealing tube.