CN216436086U - Lithium cell is annotated liquid and is used ration drawing liquid system - Google Patents

Abstract

The utility model relates to a lithium battery processing technology field just discloses a lithium cell is annotated liquid and is used quantitative drawing liquid system, including the upper portion locating plate, the outside threaded connection of upper portion locating plate one side has the threaded rod, the lower part activity of threaded rod has cup jointed the bottom and has prescribed a limit to the baffle, the motor is installed to one side on upper portion locating plate upper portion. This lithium cell annotates liquid with ration drawing liquid system, through cup jointing the catch bar activity in the inside of absorption pole lower part, and drive the lower part at the check valve seal cover is cup jointed in the action of extrusion pole activity, when the liquid that needs drive cylinder internal collection got rid of, the externally mounted of accessible rotation connecting plate lower part has the nut, can drive the limited clamp cover rebound, and drive the catch bar at the internal migration of absorption pole, and drive the extrusion pole and promote the check valve seal cover and move down, thereby drive and to form an opening between check valve seal cover and the absorption pole, so far can drive the inside absorbing material of cylinder and reduce the effect of injecing when getting rid of.

Description

Lithium cell is annotated liquid with ration drawing liquid system

Technical Field

The utility model relates to a lithium battery processing technology field specifically is a lithium cell is annotated liquid and is used quantitative drawing liquid system.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, the lithium battery needs to be subjected to liquid injection treatment in the production process, and in order to increase the conveying of the solution during the production of the lithium battery, a quantitative liquid pumping system for the liquid injection of the lithium battery is developed.

In the conventional quantitative liquid pumping system for lithium battery liquid injection, liquid injection needs to be absorbed through a needle cylinder in the liquid injection process, the liquid injection absorption amount is adjusted through manual control, but the consumed time is long when the liquid injection absorption amount is adjusted in the process of absorbing liquid injection in a large scale; meanwhile, in the process of absorbing the injected liquid, a check valve is required to be installed at the liquid injection absorption port, so that the phenomenon of backflow in the injected liquid is avoided, and when the injected liquid is taken out, another discharge port is installed, so that the problem of time waste is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the conventional quantitative liquid pumping system for lithium battery liquid injection, the utility model provides a quantitative liquid pumping system for lithium battery liquid injection, which is characterized in that the height of a bottom limiting baffle is driven to be adjusted by rotating a threaded rod, and simultaneously, the needle cylinders are uniformly arranged in the bottom limiting baffle, so that the height of the whole needle cylinder can be adjusted at the same time, and the liquid injection absorption amount can be synchronously controlled; meanwhile, the screw thread arranged on the lower portion of the connecting plate is rotated to drive the pushing rod to move upwards and drive the extrusion rod to push the one-way valve sealing sleeve to move upwards, so that an opening can be formed between the one-way valve sealing sleeve and the absorption rod, and materials can be driven to be discharged from the inside to the outside of the gap.

The utility model provides a following technical scheme: a quantitative liquid extraction system for lithium battery liquid injection comprises an upper positioning plate, wherein a threaded rod is connected to the outer portion of one side of the upper positioning plate in a threaded manner, a bottom limiting baffle is movably sleeved on the lower portion of the threaded rod, a motor is installed on one side of the upper portion of the upper positioning plate, a threaded telescopic jacket is installed on the lower portion of the motor, a middle pushing plate is installed on the lower portion of the threaded telescopic jacket, an auxiliary threaded rod is connected to the inner portion of the middle pushing plate in a threaded manner, a connecting rod is movably sleeved on the outer portion of the upper portion of the auxiliary threaded rod, a needle cylinder limiting jacket is fixedly connected to the lower portion of the inner side of the connecting rod, a needle cylinder connecting plate is movably sleeved on the lower portion of the needle cylinder limiting jacket, a push rod is fixedly connected to the lower portion of the needle cylinder connecting plate, a needle cylinder is movably sleeved on the outer portion of the push rod, and a middle connecting plate is fixedly connected to the outer portion of the needle cylinder, the lower part of the outer side of the middle connecting plate is fixedly connected with a positioning column, the lower part of the needle cylinder is fixedly connected with an absorption rod, the outer side of the lower part of the threaded rod is fixedly connected with a connecting plate, a first spring is movably sleeved outside the connecting plate, a limiting clamping sleeve is movably sleeved outside the lower part of the connecting plate, a push rod is fixedly connected to the lower part of the limiting clamping sleeve, an extrusion rod is fixedly connected to the upper end of the lower part of the push rod, a second spring is installed inside the absorption rod, and a one-way valve sealing sleeve is fixedly connected to the lower part of the second spring.

Preferably, the thread telescopic jacket is composed of a threaded rod and a thread jacket, the maximum distance of downward movement of the middle pushing plate is twenty centimeters, the positioning column penetrates through the inside of the bottom limiting baffle, and the threaded rod is fixedly sleeved with the outer part of one side of the upper positioning plate in a threaded manner.

Preferably, the auxiliary threaded rod is fixedly sleeved with the middle pushing plate through threads, the needle cylinder limiting jacket is movably sleeved inside the middle pushing plate, a threaded rod is mounted on the outer side of the upper portion of the needle cylinder connecting plate, and the threaded rod penetrates through the needle cylinder limiting jacket.

Preferably, the lower part of the push rod is provided with the push rod, the push rod is movably sleeved inside the needle cylinder, and the outer part of the push rod is in a diamond shape.

Preferably, a gasket is mounted on the upper portion of the second spring, the gasket is fixedly connected to the inside of the absorption rod, and the second spring is hijacked between the check valve sealing sleeve and the gasket.

Preferably, the inner side of the lower portion of the push rod is movably sleeved inside the lower portion of the absorption rod, the extrusion rod is installed at the lower end of a sealing sleeve of the one-way valve, the limiting clamping sleeve is movably sleeved outside the absorption rod, and a nut is installed on the outer side of the lower portion of the connecting plate.

With the contrast of current lithium cell notes liquid with quantitative drawing liquid system, the utility model discloses possess following beneficial effect:

1. this lithium cell annotates liquid and uses ration drawing liquid system, through rotating the threaded rod, it adjusts with the height of upper portion locating plate to drive the bottom and inject baffle, device middle part slurcam distance down is twenty centimetres simultaneously, can drive the position that the baffle was injectd to the bottom and adjust the back, can drive whole draw-out device's position and adjust, and install the inside back of injecing the baffle in the bottom through driving the reference column, can drive cylinder and bottom and inject the position between the baffle and inject, so far through rotating the threaded rod, can drive the push rod and adjust in the inside space that can exist of cylinder, can play the effect that the battery content can be inhaled in the regulation and control.

2. This lithium cell is annotated liquid and is used ration drawing liquid system, through cup jointing the catch bar activity in the inside of absorbing the pole lower part, and drive the lower part at the check valve seal cover of extrusion stem activity cup joint, when the liquid that needs drive cylinder internal collection is got rid of, the externally mounted of accessible rotation connecting plate lower part has the nut, can drive and prescribe a limit to press from both sides cover rebound, and drive the catch bar in the internal movement of absorbing the pole, and drive the extrusion stem and promote the check valve seal cover rebound, thereby drive and can form an opening between check valve seal cover and the absorbing pole, reduce the effect of prescribing a limit to so far when can driving the inside absorbing material of cylinder and get rid of.

Drawings

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

FIG. 2 is a schematic sectional view of the main body of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure A of the present invention;

fig. 4 is an enlarged schematic view of the structure B of the present invention.

In the figure: 1. an upper positioning plate; 2. a threaded rod; 3. a bottom defining baffle; 4. a motor; 5. a threaded telescopic jacket; 6. a middle pushing plate; 7. an auxiliary threaded rod; 8. a connecting rod; 9. the syringe defines a jacket; 10. a needle cylinder connecting plate; 11. a push rod; 12. a needle cylinder; 13. a middle connecting plate; 14. a positioning column; 15. an absorption bar; 16. a connecting plate; 17. a first spring; 18. defining a jacket; 19. a push rod; 20. an extrusion stem; 21. a second spring; 22. and sealing sleeves of the one-way valves.

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, 2, 3 and 4, a quantitative liquid pumping system for lithium battery liquid injection comprises an upper positioning plate 1, a threaded rod 2 is connected to the outer thread of one side of the upper positioning plate 1, a bottom limiting baffle 3 is movably sleeved on the lower portion of the threaded rod 2, the threaded rod 2 is rotated to drive the height of the bottom limiting baffle 3 to be adjusted, a push rod 11 can be driven to adjust the inner moving space of a needle cylinder 12, the absorption capacity can be controlled to be adjusted, a motor 4 is installed on one side of the upper portion of the upper positioning plate 1, a thread telescopic jacket 5 is installed on the lower portion of the motor 4, a middle pushing plate 6 is installed on the lower portion of the thread telescopic jacket 5, the motor 4 is started to drive the height of the thread telescopic jacket 5 to be adjusted, a middle pushing plate 6 can be driven to push a liquid pumping device to be started, an auxiliary threaded rod 7 is connected to the inner thread of the middle pushing plate 6, the auxiliary threaded rod 7 is rotated to drive the height of the connecting rod 8 to be adjusted, the needle cylinder limiting jacket 9 is conveniently driven to be taken out, so that the needle cylinder 12 is driven to be integrally detached and replaced, the connecting rod 8 is movably sleeved outside the upper part of the auxiliary threaded rod 7, the needle cylinder limiting jacket 9 is fixedly connected to the lower part of the inner side of the connecting rod 8, the needle cylinder limiting jacket 9 is used for splicing and limiting between the needle cylinder connecting plates 10, the lower part of the needle cylinder limiting jacket 9 is movably sleeved with the needle cylinder connecting plate 10, the lower part of the needle cylinder connecting plate 10 is fixedly connected with a push rod 11, the needle cylinder 12 is movably sleeved outside the lower part of the push rod 11, the push rod 11 is movably sleeved inside the needle cylinder 12, when the push rod 11 moves, the pressure of the needle cylinder 12 is driven to be adjusted, the injection liquid can be driven to be extracted, the middle part outside the needle cylinder 12 is fixedly connected with a middle connecting plate 13, and the lower part outside the middle connecting plate 13 is fixedly connected with a positioning column 14, the device can be driven to splice the position between the needle cylinder 12 and the bottom limiting baffle 3 by movably sleeving the positioning column 14 in the pushing plate 6 at the middle part, the lower part of the needle cylinder 12 is fixedly connected with an absorption rod 15, the outer side of the lower part of the threaded rod 2 is fixedly connected with a connecting plate 16, the outer part of the connecting plate 16 is movably sleeved with a first spring 17, the outer part of the lower part of the connecting plate 16 is movably sleeved with a limiting jacket 18, the lower part of the limiting jacket 18 is fixedly connected with a pushing rod 19, the upper end of the lower part of the pushing rod 19 is fixedly connected with an extrusion rod 20, the inner part of the absorption rod 15 is provided with a second spring 21, the lower part of the second spring 21 is fixedly connected with a check valve sealing sleeve 22, a screw cap arranged at the outer side of the connecting plate 16 is rotated to drive the extrusion rod 20 to move upwards to drive the check valve sealing sleeve 22 to jack, thus, an opening is formed between the one-way valve sealing sleeve 22 and the absorption rod 15, and the injection liquid can be driven to be conveyed to provide a movable space.

Referring to fig. 1, a screw telescopic jacket 5 is composed of a screw rod and a screw jacket, a maximum distance of downward movement of a middle pushing plate 6 is twenty centimeters, a positioning column 14 penetrates through the inside of a bottom limiting baffle 3, the screw rod 2 is fixedly sleeved with the outer part of one side of an upper positioning plate 1 through screw threads, the height of the bottom limiting baffle 3 and the height of the upper positioning plate 1 are driven to be adjusted by rotating the screw rod 2, meanwhile, the downward movement distance of the middle pushing plate 6 of the device is twenty centimeters, namely, the position of the bottom limiting baffle 3 can be driven to be adjusted, the position of an integral extracting device can be driven to be adjusted, and after the positioning column 14 is driven to be installed inside the bottom limiting baffle 3, the position between a needle cylinder 12 and the bottom limiting baffle 3 can be driven to be limited, so far, the space of a push rod 11 which can exist inside the needle cylinder 12 can be driven to be adjusted by rotating the screw rod 2, the liquid injection content of the absorbable battery can be adjusted and controlled.

Refer to fig. 1, threaded fixation cup joints each other between auxiliary threaded rod 7 and middle part slurcam 6, the cylinder is injectd and is pressed from both sides the inside that cover 9 activity cup jointed at middle part slurcam 6, the screw rod is installed in the outside on cylinder connecting plate 10 upper portion, the screw rod passes the cylinder and injects the inside that presss from both sides cover 9, through rotating auxiliary threaded rod 7, promote single cylinder connecting plate 10 downstream, and drive the absorbable content of different extraction pipelines simultaneously and adjust, and through continuously rotating auxiliary threaded rod 7, drive the inside that auxiliary threaded rod 7 deviates from middle part slurcam 6, can drive the cylinder and injectd and press from both sides the inside of cover 9 whole at middle part slurcam 6 and take out, can drive the effect that the suction pipe carried out the extraction.

Referring to fig. 2, a push rod is installed on the lower portion of the push rod 11, the push rod is movably sleeved inside the syringe 12, the outer portion of the push rod 11 is in a diamond shape, the push rod is installed on the lower portion of the push rod 11 and is driven to be interactively sleeved inside the syringe 12, when the push rod 11 is driven to extrude downwards, the push rod can be driven to extrude inside the syringe 12, and therefore negative pressure or pressurization is formed inside the syringe 12, and the inside of the syringe 12 can be driven to absorb battery liquid or remove the battery liquid.

Referring to fig. 3, the gasket is installed on the upper portion of the second spring 21, the gasket is fixedly connected to the inside of the absorption rod 15, the second spring 21 is hijacked between the one-way valve sealing sleeve 22 and the gasket, the second spring 21 and the one-way valve sealing sleeve 22 are movably sleeved inside the absorption rod 15, meanwhile, the upper portion of the second spring 21 is limited through the gasket, in use, the one-way valve sealing sleeve 22 is pushed to move downwards through the second spring 21, the one-way valve sealing sleeve 22 can be driven to coincide with the inside of the absorption rod 15 to be limited, and therefore the effect of limiting the flow is achieved in use.

Referring to fig. 3 and 4, the inner side of the lower portion of the push rod 19 is movably sleeved inside the lower portion of the absorption rod 15, the extrusion rod 20 is installed at the lower end of the one-way valve sealing sleeve 22, the limiting clamping sleeve 18 is movably sleeved outside the absorption rod 15, the outer side of the lower portion of the connecting plate 16 is installed with a screw cap, by movably sleeving the push rod 19 in the lower part of the absorption rod 15 and driving the extrusion rod 20 to be movably sleeved on the lower part of the one-way valve sealing sleeve 22, when the liquid collected in the syringe 12 needs to be driven to be discharged, a screw cap is arranged outside the lower part of the rotary connecting plate 16, the limiting jacket 18 is driven to move upwards, the pushing rod 19 is driven to move in the absorption rod 15, the extrusion rod 20 is driven to push the one-way valve sealing sleeve 22 to move downwards, thereby forming an opening between the one-way valve sealing sleeve 22 and the absorption rod 15, so as to reduce the limiting effect when the absorbed materials in the syringe 12 are discharged.

The working principle is as follows: when the device is used, the needle cylinder 12 is movably sleeved inside the bottom limiting baffle 3, the positioning column 14 arranged at the lower part of the middle connecting plate 13 is driven to be connected and limited with the bottom limiting baffle 3, the needle cylinder connecting plate 10 is arranged at the upper part of the needle cylinder limiting jacket 9, the auxiliary threaded rod 7 and the middle pushing plate 6 are driven to perform threaded motion, so that the upper part of the push rod 11 can be driven to limit, the threaded rod 2 is rotated, the height of the needle cylinder 12 is driven to adjust, so that the battery solution suction quantity can be controlled, when the device is used, the motor 4 is started to drive the threaded telescopic jacket 5 to rotate, the middle pushing plate 6 can be driven to integrally move up and down, the push plate at the lower part of the push rod 11 can be pushed to move, the condition that the inside of the needle cylinder 12 forms negative pressure or high pressure can be driven, so that the battery solution can be driven to absorb or discharge, meanwhile, when the solution needs to be discharged, the nut installed on the outer side of the lower portion of the connecting plate 16 is rotated, so that the pushing rod 19 can be pushed to move upwards, the check valve sealing sleeve 22 can be pushed to move upwards, a movable space is formed between the check valve sealing sleeve 22 and the first spring 17, and the solution absorbed in the needle cylinder 12 can be driven to be discharged.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a lithium cell is annotated and is used ration drawing liquid system, includes upper portion locating plate (1), its characterized in that: the outer thread on one side of the upper positioning plate (1) is connected with a threaded rod (2), the lower part of the threaded rod (2) is movably sleeved with a bottom limiting baffle (3), one side of the upper part of the upper positioning plate (1) is provided with a motor (4), the lower part of the motor (4) is provided with a thread telescopic jacket (5), the lower part of the thread telescopic jacket (5) is provided with a middle pushing plate (6), the inner thread of the middle pushing plate (6) is connected with an auxiliary threaded rod (7), the outer part of the upper part of the auxiliary threaded rod (7) is movably sleeved with a connecting rod (8), the lower part of the inner side of the connecting rod (8) is fixedly connected with a needle cylinder limiting jacket (9), the lower part of the needle cylinder limiting jacket (9) is movably sleeved with a needle cylinder connecting plate (10), and the lower part of the needle cylinder connecting plate (10) is fixedly connected with a push rod (11), a needle cylinder (12) is movably sleeved outside the lower part of the push rod (11), a middle connecting plate (13) is fixedly connected in the middle of the outside of the needle cylinder (12), the lower part of the outer side of the middle connecting plate (13) is fixedly connected with a positioning column (14), the lower part of the needle cylinder (12) is fixedly connected with an absorption rod (15), the outer side of the lower part of the threaded rod (2) is fixedly connected with a connecting plate (16), a first spring (17) is movably sleeved outside the connecting plate (16), a limiting jacket (18) is movably sleeved outside the lower part of the connecting plate (16), the lower part of the limiting jacket (18) is fixedly connected with a push rod (19), the upper end of the lower part of the push rod (19) is fixedly connected with a squeezing rod (20), and a second spring (21) is arranged in the absorption rod (15), and a one-way valve sealing sleeve (22) is fixedly connected to the lower part of the second spring (21).

2. The quantitative liquid pumping system for lithium battery liquid injection according to claim 1, characterized in that: the thread telescopic jacket (5) is composed of a threaded rod and a thread jacket, the maximum distance of downward movement of the middle pushing plate (6) is twenty centimeters, the positioning column (14) penetrates through the inside of the bottom limiting baffle (3), and the threaded rod (2) is fixedly sleeved with the outer portion of one side of the upper positioning plate (1) in a threaded manner.

3. The quantitative liquid pumping system for lithium battery liquid injection according to claim 1, characterized in that: the auxiliary threaded rod (7) and the middle pushing plate (6) are in threaded fixed sleeve connection with each other, the needle cylinder limiting jacket (9) is movably sleeved inside the middle pushing plate (6), a screw rod is installed on the outer side of the upper portion of the needle cylinder connecting plate (10), and the screw rod penetrates through the needle cylinder limiting jacket (9).

4. The quantitative liquid pumping system for lithium battery liquid injection according to claim 1, characterized in that: the lower part of the push rod (11) is provided with the push rod which is movably sleeved inside the needle cylinder (12), and the outer part of the push rod (11) is in a diamond shape.

5. The quantitative liquid pumping system for lithium battery liquid injection according to claim 1, characterized in that: and a gasket is arranged on the upper part of the second spring (21), the gasket is fixedly connected inside the absorption rod (15), and the second spring (21) is hijacked between the one-way valve sealing sleeve (22) and the gasket.

6. The quantitative liquid pumping system for lithium battery liquid injection according to claim 1, characterized in that: the inner side of the lower part of the push rod (19) is movably sleeved in the lower part of the absorption rod (15), the extrusion rod (20) is installed at the lower end of a one-way valve sealing sleeve (22), the limiting clamping sleeve (18) is movably sleeved outside the absorption rod (15), and a screw cap is installed on the outer side of the lower part of the connecting plate (16).

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