CN218610212U

CN218610212U - Prevent diaphragm coating machine silo that thick liquids subsided

Info

Publication number: CN218610212U
Application number: CN202223112711.7U
Authority: CN
Inventors: 曾立平; 贾宝泉; 陈政
Original assignee: Shenzhen Perfect Power Technology Co ltd
Current assignee: Shenzhen Perfect Power Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-14
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a prevent diaphragm coating machine silo that thick liquids subside, because be provided with agitating unit in the feed chute, and first agitating unit and second agitating unit's stirring direction is different, make first agitating unit and second agitating unit stir the thick liquids in the silo towards different directions respectively, and then make the stirring of thick liquids can become more even, with this avoid appearing the problem that the silo exists the dead angle and can't stir completely, and then can avoid causing the thick liquids to appear the sedimentation phenomenon, make the coating thickness uniformity of diaphragm can obtain guaranteeing, can also conveniently clear up equipment after the coating operation is accomplished, guarantee next batch thick liquids can not polluted by the thick liquids of last batch, thereby guarantee lithium ion battery's uniformity, avoid lithium ion battery's appearance is unusual, and then make lithium ion battery appear the probability of defective products and reduce, lithium ion battery's production and manufacturing cost also can reduce by a wide margin.

Description

Prevent diaphragm coating machine silo that thick liquids subsided

Technical Field

The utility model relates to a lithium ion battery coating equipment technical field, more specifically say, relate to a prevent diaphragm coating machine silo that thick liquids subside.

Background

As the technology of lithium ion batteries gradually matures, the coating technology is also widely applied to the production of batteries, and particularly, the specific energy density, the specific power density and the like of cylindrical 18650 lithium ion batteries are obviously improved. In addition, the lithium ion battery has the advantages of high voltage, long service life, good safety, high specific energy, environmental protection and the like, so that the market has greater and greater demands on the ion battery.

The lithium ion battery mainly comprises a positive plate, a negative plate, a diaphragm, electrolyte, a steel shell and other main structures, wherein the positive plate and the negative plate are of great importance to the capacity and the safety performance of the lithium ion battery. So coating accuracy requirement to the diaphragm is also higher and higher, and the coating machine only utilizes the thick liquids that the degree of depth on silo upper strata is about 1cm to 2cm to coat in process of production, so silo intermediate level thick liquids will have the phenomenon of subsiding, for guaranteeing the homogeneity of thick liquids, the coating machine need stir the thick liquids of silo when the coating goes on, traditional working method is to utilize agitating unit left and right sides stirring of making a round trip, but through the discovery of long-time production preparation, the lithium ion battery of this kind of mode production still has the not in place condition of stirring, it still can lead to the deposit of thick liquids because more dead angles can appear in the silo, make the diaphragm coating thickness uniformity be difficult to guarantee, also can make the operation accomplish the back equipment difficult to clear up, can't guarantee next time material pollution-free.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem how make the stirring of diaphragm coating machine silo become more even, prevent that the thick liquids from subsiding.

The utility model discloses the technical problem that will solve realizes through following technical scheme:

in order to solve the technical problem, the utility model provides a prevent diaphragm coating machine silo that thick liquids subside, it includes the feed chute and sets up at least one feed back groove of feed chute one side, the bottom of feed chute is provided with at least one feeding entry, the bottom of feed back groove is provided with the backward flow export, the top of feed chute with the top of feed back groove switches on, be provided with agitating unit in the feed chute, agitating unit includes at least one first agitating unit and at least one second agitating unit, first agitating unit and second agitating unit's stirring direction is different.

As the utility model provides a prevent a preferred embodiment of the membrane coating machine silo that thick liquids subsided, agitating unit's setting height is not higher than two-thirds of the degree of depth of feed chute.

As the utility model provides a prevent the preferred embodiment of the diaphragm coating machine silo that thick liquids subside, first agitating unit and second agitating unit's direction of stirring mutually perpendicular.

As the utility model provides a prevent the preferred embodiment of the diaphragm coating machine silo that thick liquids subsided, first agitating unit's stirring direction is the level setting, second agitating unit's stirring direction is vertical setting.

As the utility model provides a prevent the preferred embodiment of the diaphragm coating machine silo that the thick liquids subsided, agitating unit is pneumatic stainless steel blade rotary device.

As the utility model provides a prevent the diaphragm coating machine silo that thick liquids subside a preferred embodiment, be provided with the atmospheric pressure valve of adjustable air current size in the pneumatic stainless steel blade rotary device.

As the utility model provides a prevent a preferred implementation mode of the membrane coating machine silo that thick liquids subsided, the feeding inlet is connected with the peristaltic pump.

As the utility model provides a prevent the preferred embodiment of the diaphragm coating machine silo that thick liquids subside, the feed back groove has two, its set up respectively in the both sides of feed chute.

As the utility model provides a prevent a preferred embodiment of the membrane coating machine silo that thick liquids subsided, the feed chute includes the rectangle bottom plate and centers on the lateral wall that the rectangle bottom plate set up, the lateral wall includes two first lateral walls and two second lateral walls of exclusive use with feed back groove sharing, the height of second lateral wall is higher than the height of first lateral wall.

As the utility model provides a prevent the diaphragm coating machine silo that thick liquids subside's a preferred embodiment, the height of first lateral wall is 12cm.

The utility model discloses following beneficial effect has:

the slurry enters from the feeding inlet, flows into the feed-back tank from the top of the feeding tank and flows out from the backflow outlet at the bottom of the feed-back tank, so that a flowing circulation of the slurry is formed, the stirring device is arranged in the feeding tank, the stirring directions of the first stirring device and the second stirring device are different, the first stirring device and the second stirring device can respectively stir the slurry in the feeding tank in different directions, so that the stirring of the slurry can be more uniform, the problem that the slurry cannot be completely stirred due to the dead angle in the feeding tank is avoided, the slurry is prevented from being deposited, the coating thickness consistency of the diaphragm can be ensured, the equipment can be conveniently cleaned after the coating operation is finished, the next batch of slurry cannot be polluted by the slurry in the previous batch, the consistency of the lithium ion battery is ensured, the abnormity of the lithium ion battery is avoided, the probability of unqualified products of the lithium ion battery is reduced, the production and manufacturing cost of the lithium ion battery is greatly reduced, the capacity of the lithium ion battery is improved, the safety performance and the product competitiveness are met, and the increasing quality requirements of enterprises of the lithium ion battery are met.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is the utility model provides a pair of prevent diaphragm coating machine silo's of thick liquids settlement structural sketch map.

Fig. 2 is a schematic structural view of embodiment 2.

Fig. 3 is a schematic structural view of embodiment 3.

The reference numbers indicate:

a feed chute 1; a feed back trough 2; a feed inlet 3; a return outlet 4; a rectangular bottom plate 11; a side wall 12; a stirring device 5; a first stirring device 51; a second stirring device 52;

the third stirring device 53; a fourth stirring device 54.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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 skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on 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.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model provides a prevent diaphragm coating machine silo that thick liquids subsided, it includes the feed chute and sets up at least one feed back groove of feed chute one side, the bottom of feed chute is provided with at least one feeding entry, the bottom of feed back groove is provided with the backward flow export, the top of feed chute with the top of feed back groove switches on, be provided with agitating unit in the feed chute, agitating unit includes at least one first agitating unit and at least one second agitating unit, first agitating unit and second agitating unit's stirring direction is different.

The slurry enters from the feeding inlet, flows into the return trough from the top of the feeding trough and flows out from the backflow outlet at the bottom of the return trough, so that the flowing circulation of the slurry is formed, the stirring device is arranged in the feeding trough, and the stirring directions of the first stirring device and the second stirring device are different, so that the first stirring device and the second stirring device can respectively stir the slurry in the trough in different directions, and further the stirring of the slurry can be more uniform, so that the problem that the slurry cannot be completely stirred due to dead angles in the trough is avoided, the deposition phenomenon of the slurry can be avoided, the coating thickness consistency of the diaphragm can be ensured, the equipment can be conveniently cleaned after the coating operation is finished, the next batch of slurry cannot be polluted by the previous batch of slurry, the consistency of the lithium ion battery is ensured, the abnormity of the lithium ion battery is avoided, the probability of unqualified lithium ion battery is reduced, the production and manufacturing cost of the lithium ion battery is greatly reduced, the capacity of the lithium ion battery is improved, the safety performance and the product competitiveness are ensured, and the ever-increasing quality requirements of enterprises are met.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. The invention is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Example 1

Please refer to fig. 1, for the utility model provides a pair of prevent diaphragm coating machine silo that thick liquids subside, it includes a feed chute 1 and at least one feed back groove 2, and this feed back groove 2 sets up in one side of feed chute 1, and in this embodiment, this feed back groove 2 has two, and two feed back grooves 2 set up respectively in the both sides of feed chute 1. The bottom of feed chute 1 is provided with at least one feeding entry 3, feeding entry 3 in this embodiment is provided with three, three feeding entry 3 sets up in proper order respectively, the bottom of feed back groove 2 is provided with backward flow export 4, the top of feed chute 1 switches on with the top of feed back groove 2, feed chute 1 in this embodiment includes rectangle bottom plate 11 and lateral wall 12, lateral wall 12 has four and splices the setting in proper order around rectangle bottom plate 11, lateral wall 12 then includes first lateral wall 12 and second lateral wall 12, first lateral wall 12 and feed back groove 2 are shared, second lateral wall 12 is then exclusive use, and the height that highly is higher than first lateral wall 12 of second lateral wall 12, make the thick liquids in the feed chute 1 can flow into feed back groove 2 through first lateral wall 12. And then be provided with agitating unit 5 in the feed chute 1, this agitating unit 5 includes first agitating unit 51 and second agitating unit 52, and first agitating unit 51 and second agitating unit 52 in this embodiment all have only one, in other embodiments, can select the quantity that sets up agitating unit 5 according to agitating unit 5's size and feed chute 1's size, and it all should fall into the utility model discloses a within the scope of protection. The stirring directions of the first stirring device 51 and the second stirring device 52 are different, and preferably, the stirring directions of the first stirring device 51 and the second stirring device 52 are perpendicular to each other, specifically, in the embodiment, the stirring direction of the first stirring device 51 is horizontally arranged, and the stirring direction of the second stirring device 52 is vertically arranged, so that the stirring of the stirring device 5 can be more uniform, and the phenomenon of slurry sedimentation is avoided.

Example 2

Referring to fig. 2, as a further optimization scheme of the embodiment 1, the embodiment is different from the embodiment 1 in that four stirring devices 5 are provided, the four stirring devices 5 include a first stirring device 51, a second stirring device 52, a third stirring device 53 and a fourth stirring device 54, a stirring direction of the first stirring device 51 is horizontally arranged, a stirring direction of the second stirring device 52 is vertically arranged, a stirring direction of the third stirring device 53 forms an included angle of 45 ° with the stirring direction of the first stirring device 51, and a stirring direction of the fourth stirring device 54 forms an included angle of 135 ° with the stirring direction of the first stirring device 51, so as to improve a stirring effect of the stirring devices 5 and avoid a slurry sedimentation phenomenon.

Example 3

Referring to fig. 3, as a further optimization scheme of the embodiment 1, the present embodiment is different from the embodiment 1 in that four stirring devices 5 are provided, the four stirring devices 5 include two first stirring devices 51 and two second stirring devices 52, a stirring direction of the first stirring device 51 is horizontally arranged, and a stirring direction of the second stirring device 52 is vertically arranged, so as to improve a stirring capability of the stirring devices 5 and prevent a slurry from settling.

Example 4

As a further optimization of the embodiment 1, in this embodiment, the height of the stirring device 5 is preferably not higher than two thirds of the depth of the feed tank 1. In the embodiment, the height of the first side wall 12 is 12cm, the setting height of the stirring device 5 is preferably not more than 8cm, and the setting height of the stirring device 5 in the embodiment is 7cm, so as to ensure the stirring effect of the stirring device 5.

Further, the stirring device 5 is preferably a pneumatic stainless steel blade rotating device with a rotating blade, and the rotating blade can be directly blown with gas under a certain pressure to drive the rotating blade to rotate, or a pneumatic element drives the rotating blade to rotate, and the rotating blade rotates to drive the slurry to flow left and right or up and down, so as to avoid the slurry sedimentation phenomenon.

Further, be provided with the atmospheric pressure valve of adjustable air current size in the pneumatic stainless steel blade rotary device, adjust the air current size through the atmospheric pressure valve to change rotating vane's rotation rate, and then control silo interior thick liquids flow, unable intensive mixing when avoiding rotating vane's rotation rate lower, the thick liquids that can avoid rotating vane's rotation rate when higher again moves acutely and leads to the thick liquids in the non-design scope to spill over.

Further, a peristaltic pump is connected to the feed inlet 3, and slurry is pumped into the feed chute 1 from the feed inlet 3 through the peristaltic pump.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields, and all the equivalent structures are within the protection scope of the present application.

Claims

1. The utility model provides a prevent diaphragm coating machine silo that thick liquids subside which characterized in that, it includes the feed chute and sets up at least one feed back groove of feed chute one side, the bottom of feed chute is provided with at least one feeding entry, the bottom of feed back groove is provided with the backward flow export, the top of feed chute with the top of feed back groove switches on, be provided with agitating unit in the feed chute, agitating unit includes at least one first agitating unit and at least one second agitating unit, first agitating unit and second agitating unit's stirring direction is different.

2. The trough according to claim 1, wherein the stirring device is arranged at a height not higher than two thirds of the depth of the feed trough.

3. The trough for a membrane coater for preventing settling of slurry as claimed in claim 1, wherein the stirring directions of said first and second stirring means are perpendicular to each other.

4. The trough for a diaphragm coating machine for preventing the sedimentation of slurry according to claim 3, wherein the stirring direction of the first stirring device is horizontally arranged, and the stirring direction of the second stirring device is vertically arranged.

5. The tank of a membrane coater for preventing settling of slurry as claimed in claim 1 wherein said agitation means is a pneumatic stainless steel blade rotation device.

6. The trough of a membrane coater for preventing the sedimentation of slurry as claimed in claim 5, wherein a pneumatic valve for adjusting the air flow is arranged in the pneumatic stainless steel blade rotating device.

7. The tank of a membrane coater for preventing settling of slurry as claimed in claim 1 wherein a peristaltic pump is connected to the feed inlet.

8. The trough for a membrane coater for preventing sedimentation of slurry according to claim 1, wherein the two return troughs are disposed on both sides of the feed trough.

9. The trough for a membrane coater for preventing settling of slurry as claimed in claim 8, wherein said feed trough comprises a rectangular floor and side walls disposed around said rectangular floor, said side walls comprising two first side walls in common with the return trough and two second side walls used separately, said second side walls having a height higher than the height of said first side walls.

10. The trough for a membrane coater for preventing settling of slurry as claimed in claim 9 wherein the height of the first sidewall is 12cm.