CN212237102U

CN212237102U - Quick sampler for anode and cathode slurry of lithium ion battery

Info

Publication number: CN212237102U
Application number: CN201922456997.2U
Authority: CN
Inventors: 赖信华; 钱超; 国海超
Original assignee: Chengdu Yinlong New Energy Co ltd; Yinlong New Energy Co Ltd
Current assignee: Chengdu Yinlong New Energy Co ltd; Yinlong New Energy Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-29
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a positive negative pole thick liquids quick sampler of lithium ion battery, including the sampler body, the sampler body includes the cup portion of upper end and the discharge gate sealing connection of thick liquids agitator tank bottom and the lower extreme sealing connection formation sealed cavity of sample portion, the lateral wall of sample portion is connected with the other end and is connected with thick liquids agitator tank vacuum tube and make the inside vacuum tube external tapping the same with the inside vacuum of thick liquids agitator tank of sampler body, makes things convenient for the thick liquids down to flow in the cup portion under the action of gravity. The lithium ion battery slurry sampling device has the advantages that the lithium ion battery slurry can be sampled without opening the slurry stirring tank, the reliability of the sample is guaranteed, the situation that impurities enter the tank to pollute the slurry due to repeated opening of the tank is avoided, the production efficiency is improved, the reliability of the sample is guaranteed, and the cost is reduced.

Description

Quick sampler for anode and cathode slurry of lithium ion battery

Technical Field

The utility model belongs to the technical field of the lithium cell, especially, relate to a positive negative pole thick liquids quick sampler of lithium ion battery.

Background

At present, the sampling of the positive and negative electrode slurry of the lithium ion battery in the industry basically adopts the methods of stopping stirring, breaking the vacuum of a stirring tank, taking out the slurry, finally recovering the vacuum and starting stirring. Sampling easily causes the pollution of stopping sampling slurry after stirring inhomogeneous, jar internal slurry, has spent more time moreover, and the incremental cost is unfavorable for guaranteeing the performance and the production efficiency of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positive negative pole thick liquids quick sampler of lithium ion battery to solve the problem of background art.

In order to achieve the above object, the utility model discloses a positive negative pole thick liquids rapid sampler's of lithium ion battery concrete technical scheme as follows:

the utility model provides a positive negative pole thick liquids quick sampler of lithium ion battery, includes the sampler body, the sampler body includes the cup portion that upper end and the discharge gate sealing connection of thick liquids agitator tank bottom and formed sealed cavity with the lower extreme sealing connection of sample portion, the lateral wall of sample portion is connected with the other end and is connected with the vacuum tube external tapping that makes the inside vacuum same with the inside vacuum of thick liquids agitator tank of sampler body with thick liquids agitator tank vacuum tube, makes things convenient for thick liquids down to flow in the cup portion under the action of gravity.

Further, the sampling portion comprises a straight cylinder connected with a discharge port at the bottom of the slurry stirring tank, an upper flange arranged at the upper end of the straight cylinder and forming a contact surface with the discharge port at the bottom of the slurry stirring tank, and a sleeve cylinder sleeved on the straight cylinder, wherein the vacuum tube external interface is arranged on the side wall of the sleeve cylinder.

Further, a first silica gel pad is arranged between the upper flange and a discharge port at the bottom of the slurry stirring tank, and the upper flange and the discharge port are fastened through a first clamp to form a sealing structure.

Further, the inner diameter and the outer diameter of the sleeve barrel are the same as those of the cup body, the lower end of the sleeve barrel is connected with a lower flange protruding outwards, and the upper end of the cup body is connected with a flange portion which is matched with the lower flange and forms a cavity through a second hoop.

Furthermore, a second silica gel pad is arranged between the lower flange and the flange part on the cup body part, so that a closed cavity is formed between the sleeve joint cylinder and the cup body part.

Furthermore, a visual graduated scale for checking the sampling quantity condition is arranged on the cup body part.

Furthermore, the material of the visual graduated scale is sight glass for the pressure vessel.

Further, the first silica gel pad and the second silica gel pad are white sealing gaskets.

Furthermore, the sampling part, the cup body part and the vacuum tube of the slurry stirring tank are made of stainless steel materials.

Furthermore, one section of the straight cylinder above the sleeve joint cylinder is connected with a pressure relief pipe with the other end communicated with the atmosphere, and the pressure relief pipe is provided with a ball valve for breaking vacuum by opening a valve.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a positive negative pole thick liquids quick sampler of lithium ion battery has realized need not opening the thick liquids agitator tank and just can sample lithium ion battery thick liquids, has both guaranteed the reliability of sample, has also avoided opening jar repeatedly and has made impurity get into jar interior pollution thick liquids, has also improved production efficiency simultaneously, has guaranteed the sample reliability, also the cost is reduced.

Drawings

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

fig. 2 is a schematic top view of the structure of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the sampling portion of the present invention;

FIG. 4 is a schematic structural view of the cup body of the present invention;

fig. 5 is a schematic structural view of a second silicone pad of the present invention;

fig. 6 is a schematic top view of the second clamp according to the present invention.

The reference numbers in the figures illustrate: the vacuum cup comprises a sampling part 1, a straight barrel 11, a sleeve 12, an upper flange 13, a lower flange 14, a second silica gel pad 2, a cup body part 3, a visual graduated scale 4 and an external vacuum tube interface 5.

Detailed Description

For a better understanding of the objects, structure and function of the invention, reference should be made to the drawings, FIGS. 1-6, which are included to illustrate the invention.

A lithium ion battery anode and cathode slurry fast sampler comprises a sampler body, wherein the sampler body comprises a sampling part 1 and a cup body part 3, the upper end of the sampling part 1 is hermetically connected with a discharge port at the bottom of a slurry stirring tank, the cup body part 3 is hermetically connected with the lower end of the sampling part 1 to form a sealed cavity, the side wall of the sampling part 1 is connected with a vacuum tube, the other end of the vacuum tube is connected with the slurry stirring tank, so that the vacuum tube external interface 5 is arranged in the sampler body and has the same vacuum degree as the inside of the slurry stirring tank, slurry can conveniently flow downwards into the cup body part 3 under the action of gravity, the sampling part 1, the cup body part 3 and the vacuum tube of the slurry stirring tank are made of stainless steel materials, wherein the sampling part 1 comprises a straight tube 11 connected with the discharge port at the bottom of the slurry stirring tank, an upper flange 13 arranged at the upper end of the straight tube 11 and forming a contact surface with the discharge port at the bottom of the slurry, install on the pressure release pipe and abolish vacuum ball valve through opening the valve, the tube drawing difficulty when avoiding having the vacuum, vacuum tube external joint 5 sets up on the lateral wall of a cup joint section of thick bamboo 12, in addition, fills up between upper flange 13 and the thick liquids agitator tank bottom discharge gate and has first silica gel pad, and the two fastens through first clamp, forms seal structure.

Further, the inside and outside footpath of a socket joint section of thick bamboo 12 is the same with the inside and outside footpath size of cup portion 3, the lower extreme of a socket joint section of thick bamboo 12 is connected with outside outstanding lower flange 14, the upper end of cup portion 3 is connected with and matches the flange portion that forms the cavity through the second clamp with lower flange 14, it has second silica gel pad 2 to fill up between the flange portion on lower flange 14 and the cup portion 3, make socket joint section of thick bamboo 12 and cup portion 3 form airtight cavity, first silica gel pad and second silica gel pad 2 are white seal ring, promote airtight effect, be provided with the visual scale 4 that is used for looking over the sample volume condition on the cup portion 3, can look over the volume of taking a sample through visual scale 4, when the sample volume satisfies the requirement, close the valve of thick liquids agitator tank bottom discharge gate, the material of visual scale 4 is pressure vessel sight glass.

The working principle is as follows: before sampling, an upper flange 13 of a straight barrel 11 is firstly padded with a first silica gel pad, the upper flange 13 is connected with a discharge port at the bottom of a slurry stirring tank in a sealing way by a first clamp, a flange part on a cup body part 3 is padded with a second silica gel pad, the cup body part 3 and a lower flange 14 at the lower end of a sleeve 12 are tightly clamped in a sealing way by a second clamp to form a sealed cavity, an external vacuum pipe interface 5 of a vacuum pipe is connected with a vacuum pipe of the slurry stirring tank, during sampling, firstly, a vacuum pipe valve of the slurry stirring tank is opened, then, a valve at the discharge port at the bottom of the slurry stirring tank is opened, because the vacuum degree of the cavity of a sampler body is the same as the vacuum degree of the inside of the slurry stirring tank, slurry flows downwards into the cup body part 3 through the straight barrel 11 under the action of gravity, the size of the sample can be checked through a visual scale 4, when the, the clamp is taken down, the materials in the cup body part 3 are sampling samples, and the lithium ion battery positive and negative electrode slurry quick sampler not only avoids slurry pollution caused by can opening, ensures the reliability of the samples, but also improves the production efficiency and reduces the production cost.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a positive negative pole thick liquids rapid sampler of lithium ion battery, includes the sampler body, its characterized in that: the sampler body includes upper end and the discharge gate sealing connection's of thick liquids agitator tank bottom sample portion (1) and cup portion (3) that form sealed cavity with the lower extreme sealing connection of sample portion (1), the lateral wall of sample portion (1) is connected with the other end and is connected with thick liquids agitator tank vacuum tube and make the inside vacuum tube external tapping (5) the same with the inside vacuum of thick liquids agitator tank of sampler body, makes things convenient for thick liquids to flow down in cup portion (3) under the action of gravity.

2. The quick sampler for positive and negative electrode slurry of the lithium ion battery according to claim 1, wherein the sampling part (1) comprises a straight cylinder (11) connected with a discharge port at the bottom of the slurry agitator, an upper flange (13) arranged at the upper end of the straight cylinder (11) and forming a contact surface with the discharge port at the bottom of the slurry agitator, and a sleeve (12) sleeved on the straight cylinder (11), and the vacuum tube external interface (5) is arranged on the side wall of the sleeve (12).

3. The quick sampler for positive and negative electrode slurry of the lithium ion battery according to claim 2, characterized in that a first silica gel pad is arranged between the upper flange (13) and the discharge port at the bottom of the slurry stirring tank, and the first silica gel pad and the discharge port are fastened through a first clamp to form a sealing structure.

4. The quick sampler for positive and negative electrode paste of the lithium ion battery according to claim 3, wherein the inner and outer diameters of the sleeve (12) are the same as those of the cup (3), the lower end of the sleeve (12) is connected with a lower flange (14) protruding outwards, and the upper end of the cup (3) is connected with a flange part which is matched with the lower flange (14) and forms a cavity through a second clamp.

5. The quick sampler for positive and negative electrode paste of the lithium ion battery according to claim 4, wherein a second silica gel pad (2) is padded between the lower flange (14) and the flange part on the cup body part (3), so that the sleeve cylinder (12) and the cup body part (3) form a closed chamber.

6. The quick sampler for positive and negative electrode paste of the lithium ion battery according to claim 1, wherein the cup body part (3) is provided with a visual scale (4) for checking the sampling amount.

7. The fast sampler for positive and negative electrode paste of a lithium ion battery according to claim 6, wherein the material of the visual graduated scale (4) is sight glass for a pressure vessel.

8. The quick sampler for positive and negative electrode paste of a lithium ion battery according to claim 5, wherein the first and second silica gel pads (2) are white sealing gaskets.

9. The fast sampler for positive and negative electrode paste of a lithium ion battery according to any one of claims 2 to 8, wherein the sampling part (1), the cup body part (3) and the vacuum tube of the paste stirring tank are made of stainless steel.

10. The quick sampler for positive and negative electrode paste of the lithium ion battery according to claim 2, wherein a section of the straight cylinder (11) above the sleeve cylinder (12) is connected with a pressure relief pipe, the other end of the pressure relief pipe is communicated with the atmosphere, and the pressure relief pipe is provided with a ball valve for breaking vacuum by opening a valve.