CN223985896U

CN223985896U - Electrolyte sampling device for lithium battery production

Info

Publication number: CN223985896U
Application number: CN202520072232.1U
Authority: CN
Inventors: 沈乃伍; 陈世宽
Original assignee: Yancheng Jinhui High Tech Materials Co ltd
Current assignee: Yancheng Jinhui High Tech Materials Co ltd
Priority date: 2025-01-13
Filing date: 2025-01-13
Publication date: 2026-03-10
Anticipated expiration: 2035-01-13

Abstract

The utility model discloses an electrolyte sampling device for lithium battery production, which comprises a mounting frame, wherein a sampling needle is fixedly arranged in the mounting frame, a positioning plate is arranged on the surface of the sampling needle in a sliding manner, a connecting block and an adjusting rack are fixedly arranged at the top of the positioning plate, a fixing plate is fixedly arranged at the top of the mounting frame, a supporting shaft is rotatably arranged in the fixing plate, an adjusting gear is fixedly arranged on the surface of the supporting shaft, the adjusting gear is in meshed connection with the adjusting rack, a cavity is formed in the sampling needle, a piston block is movably arranged in the sampling needle, a connecting rod is fixedly arranged at the top of the piston block, a connecting frame is fixedly arranged on the surface of the connecting rod, and a movable plate is fixedly arranged in the connecting frame.

Description

Electrolyte sampling device for lithium battery production

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to an electrolyte sampling device for lithium battery production.

Background

A lithium battery is a battery using a nonaqueous electrolyte solution, with lithium metal or a lithium alloy as a negative electrode material. It has the remarkable advantages of high energy density, long service life, low self-discharge rate and the like, the method is widely applied to various fields such as mobile phones, notebook computers, electric automobiles and the like. The working principle is based on the intercalation and deintercalation process of lithium ions between the anode and the cathode, so that the storage and the release of electric energy are realized.

The electrolyte sampling device for lithium battery production is special equipment for collecting lithium battery electrolyte samples. A proper amount of sample is taken out of the electrolyte storage container through a sampling needle according to the requirement, so that various research and monitoring requirements in production links such as electrolyte component analysis and quality detection are met.

When the critical electrolyte for lithium battery production is sampled, the device cannot preset the sampling amount, so that staff can only draw the electrolyte by self experience and subjective judgment in the actual operation process, and the situation that the drawing amount exceeds the actual requirement is very easy to occur due to the lack of accurate quantification standard, so that unnecessary loss and waste of the electrolyte are caused.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides an electrolyte sampling device for lithium battery production, which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

Electrolyte sampling device is used in lithium cell production, which comprises a mounting rack, the inside of mounting bracket is fixed and is provided with the sample needle, the surface sliding of sample needle is provided with the locating plate, the fixed connecting block and the adjusting rack of being provided with in top of locating plate, the connecting block with adjusting rack all with mounting bracket sliding connection, the fixed plate that is provided with in top of mounting bracket, the inside rotation of fixed plate is provided with the back shaft, the fixed surface of back shaft is provided with adjusting gear, adjusting gear and adjusting rack meshing are connected, the top of mounting bracket is provided with locking subassembly, the cavity has been seted up to the inside of sample needle, the inside activity of sample needle is provided with the piston piece, the fixed connecting rod that is provided with in top of piston piece, the fixed link that is provided with in surface of connecting rod, the inside of link is provided with the movable plate.

Preferably, the locking subassembly is including fixed the setting up in the mounting panel at mounting bracket top, the inside slip of mounting panel is provided with the guiding axle, the surface overlap joint of guiding axle is provided with the elastic component, the guiding axle is close to the fixed locking rack that is provided with of one end of adjusting gear, locking rack and adjusting gear meshing are connected, the fixed arm-tie that is provided with in rear side of locking rack.

Preferably, a pull rod is fixedly arranged at the top of the connecting rod, and an auxiliary plate is fixedly arranged at the top of the pull rod.

Preferably, the front side of the sampling needle is fixedly provided with a scale, and the surface of the scale is marked with a scale number.

Preferably, the elastic piece is a spring, one end of the elastic piece is fixedly connected with the mounting plate, and the other end of the elastic piece is fixedly connected with the locking rack.

Preferably, the number of the elastic members is two, and the two elastic members are distributed in pairs.

Preferably, the material of link is transparent glass material, the movable plate with the material of locating plate is the weaker magnetic path of magnetism.

Compared with the prior art, the electrolyte sampling device for lithium battery production has the beneficial effects that the regulating rack moves up and down through rotating the regulating gear, the regulating rack moves to drive the positioning plate to move, the bottom of the positioning plate is moved to the scale number corresponding to the scale according to the required quantity, then the needle head of the sampling needle is plugged into the electrolyte container, the piston block is driven to move upwards in the cavity through the movable connecting rod to draw electrolyte into the cavity, meanwhile, the connecting rod drives the movable plate to move together through the connecting frame, when the movable plate and the positioning plate are contacted, the pulling is stopped, the device can preset the sampling quantity, can accurately draw the electrolyte, effectively avoid excessive drawing, improve the drawing precision and reduce the waste of the electrolyte caused by excessive drawing.

Drawings

FIG. 1 is an isometric view of a structure of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

Fig. 4 is an enlarged view of the structure at a of fig. 2.

The device comprises a mounting frame 1, a sampling needle 2, a cavity 3, a piston block 4, a connecting rod 5, a pull rod 6, a 7, a positioning plate 8, a connecting block 9, an adjusting rack 10, a fixing plate 11, a supporting shaft 12, an adjusting gear 13, a mounting plate 14, a guide shaft 15, an elastic piece 16, a locking rack 17, a pulling plate 18, a scale 19, a connecting frame 20, a moving plate 21 and an auxiliary plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

Referring to fig. 1-4, an electrolyte sampling device for lithium battery production comprises a mounting frame 1, a sampling needle 2 is fixedly arranged in the mounting frame 1, a positioning plate 7 is arranged on the surface of the sampling needle 2 in a sliding manner, a connecting block 8 and an adjusting rack 9 are fixedly arranged at the top of the positioning plate 7, the connecting block 8 and the adjusting rack 9 are both in sliding connection with the mounting frame 1, a fixing plate 10 is fixedly arranged at the top of the mounting frame 1, a supporting shaft 11 is rotatably arranged in the fixing plate 10, an adjusting gear 12 is fixedly arranged on the surface of the supporting shaft 11, the adjusting gear 12 is in meshed connection with the adjusting rack 9, a locking assembly is arranged at the top of the mounting frame 1, a cavity 3 is formed in the sampling needle 2, a piston block 4 is movably arranged in the sampling needle 2, a connecting rod 5 is fixedly arranged at the top of the piston block 4, a connecting frame 19 is fixedly arranged on the surface of the connecting rod 5, the inside of the connecting frame 19 is fixedly provided with a movable plate 20, the top of the connecting rod 5 is fixedly provided with a pull rod 6, the top of the pull rod 6 is fixedly provided with an auxiliary plate 21, the connecting rod 5 is conveniently pulled by the auxiliary plate 21 and the pull rod 6, the connecting frame 19 is made of transparent glass, the movable plate 20 and the positioning plate 7 are made of magnetic blocks with weaker magnetism, the transparent connecting frame 19 is convenient for seeing an internal scale 18, the movable plate 20 and the positioning plate 7 manufactured by the magnetic blocks with weaker magnetism can be conveniently separated after being contacted, a worker can be informed of the contact of the movable plate 20 and the positioning plate 7 by certain feedback through magnetic block magnetic attraction, so that the situation that the electrolyte is completely drawn is judged, the electrolyte sampling device for lithium battery production can drive the positioning plate 7 to move up and down by rotating the adjusting gear 12, and the adjusting gear 9 is moved to drive the positioning plate 7 to move, the bottom of the positioning plate 7 is moved to the scale number corresponding to the scale 18 according to the required amount, then the needle head of the sampling needle 2 is plugged into the electrolyte container, the piston block 4 is driven to move upwards in the cavity 3 by the moving connecting rod 5 to draw electrolyte into the cavity 3, meanwhile, the connecting rod 5 drives the moving plate 20 to move together through the connecting frame 19, after the moving plate 20 is contacted with the positioning plate 7, the pulling is stopped, the device can preset the sampling amount, can accurately draw the electrolyte, effectively avoid excessive drawing, improve the drawing precision and reduce the waste caused by excessive drawing of the electrolyte.

Specifically, the locking subassembly includes fixed mounting panel 13 that sets up in mounting bracket 1 top, the inside slip of mounting panel 13 is provided with guiding axle 14, guiding axle 14's surface overlap joint is provided with elastic component 15, elastic component 15 is the spring, elastic component 15's one end and mounting panel 13 fixed connection, elastic component 15's the other end and locking rack 16 fixed connection, elastic component 15's quantity is two, and two elastic components 15 become symmetrical distribution, guiding axle 14 is close to the fixed locking rack 16 that is provided with of one end of adjusting gear 12, locking rack 16 and adjusting gear 12 meshing connection, locking rack 16's rear side is fixed and is provided with arm-tie 17, pull arm-tie 17 moves towards the right side earlier, drive locking rack 16 and remove, locking rack 16 removes and keeps away from adjusting gear 12 and compresses elastic component 15, then rotate back support axle 11, make adjusting gear 12 rotate and drive adjusting rack 9 reciprocate, adjusting rack 9 removes and drives locating plate 7 and connecting block 8 together, loosen arm-tie 17 again after the resilience of elastic component 15 makes locking rack 16 remove and adjusting gear 12, make the user and draw more than 20 and remove after the excessive force and avoid drawing and remove the board 20.

Specifically, the front side of the sampling needle 2 is fixedly provided with a scale 18, the surface of the scale 18 is marked with a scale number, and the number on the scale 18 is convenient for knowing how much electrolyte can be drawn from the position of the positioning plate 7.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

When the electrolyte sampling device is used, the pulling plate 17 is pulled to move towards the right side to drive the locking rack 16 to move, the locking rack 16 moves away from the adjusting gear 12 and compresses the elastic piece 15, then the supporting shaft 11 is rotated to enable the adjusting gear 12 to rotate, the adjusting gear 12 rotates to drive the adjusting rack 9 to move up and down, the adjusting rack 9 moves to drive the positioning plate 7 and the connecting block 8 to move together, the bottom of the positioning plate 7 moves to the scale number corresponding to the scale 18 according to the required quantity, the pulling plate 17 is loosened, the locking rack 16 moves and the adjusting gear 12 are meshed under the rebound of the elastic piece 15, so that the adjusting rack 9 and the positioning plate 7 are prevented from moving, then the needle head of the sampling needle 2 is plugged into an electrolyte container, the auxiliary plate 21 is pulled, the connecting rod 5 is driven to move through the pulling rod 6, the connecting rod 5 is driven to move the piston block 4 to move in the cavity 3, meanwhile, the connecting rod 5 drives the moving plate 20 to move together through the connecting frame 19, the piston block 4 moves upwards in the cavity 3, electrolyte is drawn into the cavity 3, and the set electrolyte is stopped after the moving plate 20 and the positioning plate 7 are contacted.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Electrolyte sampling device is used in lithium cell production, including mounting bracket (1), a serial communication port, the inside of mounting bracket (1) is fixed and is provided with sample needle (2), the surface slip of sample needle (2) is provided with locating plate (7), the fixed connecting block (8) and the adjusting rack (9) that are provided with in top of locating plate (7), connecting block (8) with adjusting rack (9) all with mounting bracket (1) sliding connection, the fixed plate (10) that is provided with in top of mounting bracket (1), the inside rotation of fixed plate (10) is provided with back shaft (11), the fixed surface of back shaft (11) is provided with adjusting gear (12), adjusting gear (12) and adjusting rack (9) meshing connection, the top of mounting bracket (1) is provided with locking subassembly, cavity (3) have been seted up to the inside of sample needle (2), the inside activity of sample needle (2) is provided with piston block (4), the fixed connecting rod (5) that is provided with in top of piston block (4), the fixed surface of connecting rod (5) is provided with fixed connection (19), fixed plate (20) are provided with inside connection (20).

2. The electrolyte sampling device for lithium battery production according to claim 1, wherein the locking assembly comprises a mounting plate (13) fixedly arranged at the top of the mounting frame (1), a guide shaft (14) is slidably arranged in the mounting plate (13), an elastic piece (15) is arranged on the surface of the guide shaft (14) in a lap joint mode, a locking rack (16) is fixedly arranged at one end, close to the adjusting gear (12), of the guide shaft (14), the locking rack (16) is in meshed connection with the adjusting gear (12), and a pulling plate (17) is fixedly arranged at the rear side of the locking rack (16).

3. The electrolyte sampling device for lithium battery production according to claim 1, wherein a pull rod (6) is fixedly arranged at the top of the connecting rod (5), and an auxiliary plate (21) is fixedly arranged at the top of the pull rod (6).

4. The electrolyte sampling device for lithium battery production according to claim 1, wherein a scale (18) is fixedly arranged on the front side of the sampling needle (2), and the surface of the scale (18) is marked with a scale number.

5. The electrolyte sampling device for lithium battery production according to claim 2, wherein the elastic piece (15) is a spring, one end of the elastic piece (15) is fixedly connected with the mounting plate (13), and the other end of the elastic piece (15) is fixedly connected with the locking rack (16).

6. The electrolyte sampling device for lithium battery production according to claim 2, wherein the number of the elastic members (15) is two, and the two elastic members (15) are symmetrically distributed.

7. The electrolyte sampling device for lithium battery production according to claim 1, wherein the connecting frame (19) is made of transparent glass, and the moving plate (20) and the positioning plate (7) are made of magnetic blocks with weaker magnetism.