CN214152967U

CN214152967U - NMP solvent volume of getting device that production lithium cell was used

Info

Publication number: CN214152967U
Application number: CN202022506144.8U
Authority: CN
Inventors: 方步思
Original assignee: Fujian Greenwell Material Technology Co ltd
Current assignee: Fujian Greenwell Material Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-09-07
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses an NMP solvent measuring device for producing lithium batteries, which belongs to the technical field of NMP processing and comprises a storage tank body, an extraction pump and a measuring tank body, a sealing device is arranged in the storage tank body and comprises a cover plate and a bottom plate, a sealing plate is arranged on the lower end face of the cover plate, the upper end surface of the bottom plate is provided with an annular oil sealing groove, sealing oil is arranged in the annular oil sealing groove, the sealing plate is inserted into the annular oil sealing groove to form an oil seal, the storage tank body is connected with the extraction pump through a first hose, the extraction pump is connected with the measuring tank body through a second hose, the contact parts of the cover plate and the bottom plate with the first hose are provided with sealing rings, the extraction pump includes pump body, driving motor and electrically controlled device, the utility model has the advantages of the leakproofness is good, when preventing that the NMP solvent from getting the volume, volatilizees and leaks the polluted operational environment.

Description

NMP solvent volume of getting device that production lithium cell was used

Technical Field

The utility model relates to a NMP processing technology field specifically is a NMP solvent volume of getting device that production lithium cell was used.

Background

NMP is also called N-methyl pyrrolidone, is colorless transparent oily liquid, has little odor of amine, can be mutually soluble with water, alcohol, ether, ester, ketone, halogenated hydrocarbon, aromatic hydrocarbon and castor oil, has low volatility, good thermal stability and chemical stability, has hygroscopicity, is photosensitive, and is stored in dry and comfortable inert gas, but NMP has certain toxicity, can volatilize along with water vapor, irritates the skin and eyes of workers, influences the working environment, and therefore when the NMP is taken, the sealing state is ensured in a closed environment.

The device is got to current NMP solvent volume is including holding vessel body, extraction pump and the jar body of getting, but has certain problem, because the device leakproofness is not enough, and NMP solvent can volatilize along with vapor when getting the volume, amazing workman's skin and eyes, influences operational environment.

Based on this, the utility model designs a NMP solvent volume of getting device that production lithium cell was used to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a NMP solvent volume of getting device that production lithium cell was used to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a NMP solvent volume of getting device that production lithium cell was used, includes the holding vessel body, the extraction pump and gets the volume jar body, the internal sealing device that is provided with of holding vessel, sealing device is including apron and bottom plate, the terminal surface is provided with the closing plate under the apron, the bottom plate up end is provided with annular oil seal groove, the annular oil seal inslot that is provided with sealed oil, the closing plate inserts annular oil seal groove and forms the oil blanket, the holding vessel body is through first hose connection extraction pump, the extraction pump gets the volume jar body through second hose connection, apron and bottom plate all are equipped with the sealing washer with first hose contact department, the extraction pump includes pump body, driving motor and electrically controlled device.

Preferably, the interior of the pump is provided with an internal gear and an external gear which are engaged with each other.

Preferably, a sealing ring is arranged outside the external gear.

Preferably, the sealing ring is made of perfluorinated rubber material.

Preferably, the first hose and the second hose both use latex tubes.

Preferably, a damping base is arranged below the suction pump and the measuring tank body.

Compared with the prior art, the beneficial effects of the utility model are that: the leakproofness of the NMP solvent measuring device is enhanced, the NMP solvent is prevented from volatilizing and leaking when being measured, the working environment of workers is polluted, the work of the workers is influenced, equipment is not easy to corrode, and the safety of the NMP solvent measuring device is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the seal assembly of the present embodiment;

FIG. 3 is a schematic view of the pump of the present embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a storage tank body; 2. a sealing device; 21. a cover plate; 22. a seal ring; 23. a sealing plate; 24. an annular oil seal groove; 25. a base plate; 26. sealing oil; 3. a pump; 31. a drive motor; 32. an electric control device; 33. an internal gear; 34. an outer gear; 35. a seal ring; 4. taking a measuring tank body; 5. a first hose; 6. a second hose; 7. shock attenuation base.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a NMP solvent volume of getting device for production lithium cell, including the holding vessel body 1, the extraction pump 3 with get the volume jar body 4, be provided with sealing device 2 in the holding vessel body 1, sealing device 2 includes apron 21 and bottom plate 25, the terminal surface is provided with closing plate 23 under the apron 21, bottom plate 25 up end is provided with annular oil sealing groove 24, add sealed oil 26 in the annular oil sealing groove 24, closing plate 23 inserts annular oil sealing groove 24 and forms the oil blanket, the holding vessel body 1 is through first hose 5 connection extraction pump 3, extraction pump 3 is through second hose 6 connection volume jar body 4 of getting, apron 21 and bottom plate 25 all install sealing washer 22 with first hose 5 contact department, extraction pump 3 includes the pump body, driving motor 31 and electrically controlled device 32.

Preferably, the internal gear 33 and the external gear 34 are engaged with each other inside the extraction pump 3, so that the extraction pump 3 is compact in structure and operates smoothly.

Preferably, a sealing ring 35 is installed outside the external gear 34, and the sealing ring 35 enhances the sealing performance of the draw-off pump.

Preferably, the sealing ring 22 is made of perfluorinated rubber material, which is not easy to corrode and has good sealing performance, so that the sealing performance of the sealing device 2 is enhanced, and the sealing ring 22 is prevented from corroding to cause leakage.

Preferably, latex tubes are used for the first hose 5 and the second hose 6, and the latex tubes are used, so that the corrosion resistance of the first hose 5 and the second hose 6 is improved.

Preferably, the suction pump 3 and the measuring tank 4 are provided with a damping base 7 below, so that the vibration amplitude is reduced when the suction pump 3 works, the noise is reduced, and the working environment is improved.

One specific application of this embodiment is:

when the volume of getting is worked, the volume of getting is set up through electric control unit 32 earlier, then electric control unit 32 control driving motor 31 work, driving motor 31 drives internal gear 33 work, make extraction pump 3 draw the NMP solvent from the holding vessel 1, through first hose 5 and second hose 6, the volume of getting is advanced in the extraction jar 4, through having set up sealing device 2, carry out the oil blanket to the holding vessel 1, the leakproofness of the holding vessel has been strengthened, prevent that the NMP solvent from leaking and volatilizing, through having set up electric control unit 32, can control the volume of getting, promote work efficiency, through setting up sealing washer 22 and sealing ring 35, the holistic leakproofness of NMP solvent volume of getting device has been increased, the leakage that volatilizees takes place when preventing the NMP solvent volume of getting, pollute workman's operational environment, influence workman's work, equipment is difficult for corroding, NMP solvent volume of getting device security has been promoted.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. The utility model provides a NMP solvent volume of getting device that production lithium cell was used, includes the holding vessel body (1), extraction pump (3) and gets the volume jar body (4), its characterized in that: be provided with sealing device (2) in the holding vessel body (1), sealing device (2) are including apron (21) and bottom plate (25), the terminal surface is provided with closing plate (23) under apron (21), bottom plate (25) up end is provided with annular oil sealing groove (24), be provided with in the annular oil sealing groove (24) sealed oil (26), closing plate (23) insert annular oil sealing groove (24) and form the oil blanket, the holding vessel body (1) is connected extraction pump (3) through first hose (5), extraction pump (3) are connected through second hose (6) and are got a jar of body (4), apron (21) and bottom plate (25) all are equipped with sealing washer (22) with first hose (5) contact department, extraction pump (3) are including pump body, driving motor (31) and electrically controlled device (32).

2. The NMP solvent taking device for producing the lithium battery as claimed in claim 1, wherein: an inner gear (33) and an outer gear (34) which are meshed with each other are arranged inside the extraction pump (3).

3. The NMP solvent taking device for producing the lithium battery as claimed in claim 2, wherein: and a sealing ring (35) is arranged on the outer side of the outer gear (34).

4. The NMP solvent taking device for producing the lithium battery as claimed in claim 1, wherein: the sealing rings (22) are made of perfluorinated rubber materials.

5. The NMP solvent taking device for producing the lithium battery as claimed in claim 1, wherein: the first hose (5) and the second hose (6) both use latex tubes.

6. The NMP solvent taking device for producing the lithium battery as claimed in claim 1, wherein: and a damping base (7) is arranged below the extraction pump (3) and the measuring tank body (4).