CN216418487U

CN216418487U - Battery slurry filtering device

Info

Publication number: CN216418487U
Application number: CN202122581829.3U
Authority: CN
Inventors: 孟庆飞; 陈泽琦; 邓方立; 张靖; 施樰; 王菘如; 徐谦; 吴际良
Original assignee: China Electronic New Energy Wuhan Research Institute Co ltd
Current assignee: China Electronic New Energy Wuhan Research Institute Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-03
Anticipated expiration: 2031-10-26

Abstract

The utility model provides a battery slurry filtering device, which comprises a filtering hopper, a connecting cover, a driving mechanism and a stirring mechanism; the filter hopper is used for installing and fixing the connecting cover and filtering the battery slurry; the connecting cover is arranged on the filtering hopper and is used for connecting the filtering hopper and the driving mechanism; the driving mechanism is arranged at one end of the connecting cover, which is far away from the filter hopper; the air pressure inside the filter hopper and the connecting cover is changed, and the filtering speed of battery slurry inside the filter hopper is accelerated. The battery slurry filtering device is detachably and fixedly connected with the bucket body through the connecting cover, so that the battery slurry in the bucket body is convenient to clean, and the filtering device is more convenient to use; carry out fixed connection through the hasp to connecting lid and bucket body to be convenient for install and dismantle connecting lid and bucket body fast, shortened installation and dismantlement cycle greatly, further improved this filter equipment's machining efficiency.

Description

Battery slurry filtering device

Technical Field

The utility model relates to a battery production technical field especially relates to a battery thick liquids filter equipment.

Background

The method comprises the following steps of pouring materials with different sizes into a cylinder for mixing in the material mixing process to obtain slurry which is uniformly mixed and does not obviously settle, wherein the subsequent coating step needs to mix the slurry which is uniformly mixed and does not obviously settle, filtering large particles in the slurry to leave the slurry with the particle size meeting the process specification, the slurry needs to be filtered, the purpose of filtering is to obtain the slurry with better particle uniformity and higher stability, and the material particles are not uniform in the mixing process in the filtering process, the situation that the production efficiency is influenced by slow sieving can occur due to reasons such as overlarge viscosity of the slurry and the like.

For the prior art, the existing slurry filtering tool in the large-batch automatic production line has the problems of excessive residual material filtering and automatic line interruption, and is not suitable for small-batch, small-scale and discontinuous experimental production lines; the conventional small-batch experimental production line uses a handheld filter screen for sieving and stirring to accelerate the sieving speed, the method is low in sieving speed and labor-consuming, and two conventional main sieving modes have defects, so that the battery slurry filtering device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a quick filtration, avoid the material of great granule to block up the filter screen or pass through a battery thick liquids filter equipment of filter screen in the filtering process.

The technical scheme of the utility model is realized like this: the utility model provides a battery slurry filtering device, which comprises a filtering hopper, a connecting cover, a driving mechanism and a stirring mechanism;

the filter hopper is used for installing and fixing the connecting cover and filtering the battery slurry;

the connecting cover is arranged on the filter hopper and is used for connecting the filter hopper and the driving mechanism;

the driving mechanism is arranged at one end of the connecting cover, which is far away from the filter hopper; the air pressure in the filter hopper and the connecting cover is changed, and the filtering speed of battery slurry in the filter hopper is increased;

the stirring mechanism is arranged on the driving mechanism; the stirring device is used for stirring the battery slurry inside the filtering hopper, accelerates the filtering of the battery slurry and prevents the filtering hopper from being blocked.

On above technical scheme's basis, it is preferred, filter and fight including bucket body and filter screen, the bucket body sets up and covers in connecting, and the filter screen sets up in the one end of keeping away from the connection lid of bucket body, connects lid and bucket body and adopts detachable fixed connection.

Still further preferably, the bucket body passes through hasp and is connected lid fixed connection, and the hasp includes movable part and fixed part, and the movable part sets up on the bucket body, connects to cover and is provided with the fixed part with movable part adaptation, passes through the joint and fixes between movable part and the fixed part.

On the basis of the above technical solution, preferably, the driving mechanism includes a cylinder, a first buffer assembly and a second buffer assembly; the cylinder body is arranged at one end of the connecting cover far away from the filter hopper; the first buffer component is arranged at one end of the cylinder body far away from the connecting cover and extends into the cylinder body; the second buffering subassembly sets up in the inside of barrel, and is located one side that first buffering subassembly is close to the connection lid, and second buffering subassembly meshes with rabbling mechanism mutually, forms the cushion chamber between first buffering subassembly and the second buffering subassembly, and first buffering subassembly is used for changing inside atmospheric pressure of cushion chamber and slowly drives the axial extending direction slip of second buffering subassembly for the barrel, and the second buffering subassembly is used for changing the connection lid and filters the inside atmospheric pressure of fighting to drive rabbling mechanism and stir the inside battery thick liquids of fighting to filtering.

Still further preferably, the first buffer assembly comprises a first piston and a push rod, the first piston is arranged in the cylinder, and the push rod penetrates through the cylinder along the axial extension direction of the cylinder and is fixedly connected with the first piston; the second buffer component comprises a second piston and a toothed plate, the second piston is arranged in the barrel and located on one side, close to the connecting cover, of the first piston, the toothed plate is arranged at one end, far away from the first piston, of the second piston, the toothed plate is meshed with the stirring mechanism, and the second piston drives the stirring mechanism to stir battery slurry in the filtering hopper through the toothed plate.

Still further preferably, the rabbling mechanism includes drive assembly and puddler, and the puddler sets up in the inside of barrel, and drive assembly is used for converting the linear drive of pinion rack into the axial of puddler and rotates.

Still further preferably, the transmission assembly comprises a rotating shaft, a straight gear, a first helical gear and a second helical gear, the rotating shaft is arranged inside the cylinder, the straight gear is arranged on the rotating shaft and meshed with the toothed plate, the second helical gear is arranged on the stirring rod, and the first helical gear is arranged on the rotating shaft and meshed with the second helical gear.

Further preferably, the number of the rotating shafts and the number of the straight gears are two, the rotating shafts are symmetrically distributed on two sides of the toothed plate, and bearings matched with the stirring rods are arranged in the cylinder body.

Still further preferably, a shaft seal matched with the rotating shaft is arranged inside the cylinder.

Still further preferably, the bucket body and the connecting cover are both conical buckets, and a sealing ring is arranged between the bucket body and the connecting cover.

The utility model discloses a have following beneficial effect for prior art:

(1) the connecting cover is detachably and fixedly connected with the bucket body, so that battery slurry in the bucket body can be conveniently cleaned, and the filter device is more convenient to use;

(2) the connecting cover and the bucket body are fixedly connected through the lock catch, so that the connecting cover and the bucket body can be conveniently and quickly mounted and dismounted, the mounting and dismounting period is greatly shortened, and the processing efficiency of the filtering device is further improved;

(3) through the buffer cavity between the first buffer component and the second buffer component, the phenomenon that large-particle battery slurry in the filter hopper passes through a filter screen due to overlarge air pressure change amplitude caused by directly changing the air pressure in the connecting cover and the filter hopper by the first buffer component is avoided, the effects of buffering, pressurizing and filtering are realized, and the processing quality of the filter device is further improved;

(4) the push rod is pushed, the push rod drives the first piston and the connecting cover to move relatively, so that the air pressure in the buffer cavity is increased and acts on the second piston, the air pressure in the connecting cover and the air pressure in the filter hopper are increased when the second piston approaches to the connecting cover, the battery slurry in the filter hopper is rapidly filtered under the action of the air pressure, and the simple, convenient and efficient filtering effect is realized;

(5) the linear driving of the toothed plate is converted into the axial rotation of the stirring rod through the transmission assembly on the stirring mechanism, so that the battery slurry in the filtering hopper is stirred, the situation that the filtering hopper is blocked by the battery slurry is avoided, and the filtering efficiency and the anti-blocking performance of the filtering device are further improved;

(6) the toothed plates on the second buffer assembly are limited through the two straight gears, so that the second buffer assembly can run more stably in the cylinder, and the situation that the normal running of the filtering device is influenced due to air leakage of the buffer cavity caused by unstable running of the second buffer assembly is avoided; the stirring rod is limited by the bearing, so that the phenomenon that the normal operation of the filtering device is influenced due to serious abrasion between the stirring rod and the barrel in the rotating process is avoided, and the operation stability of the filtering device is improved;

(7) the contact part of the rotating shaft and the barrel is sealed by the shaft seal in the barrel, so that the condition that the normal operation of the filtering device is influenced by air leakage at the installation part of the rotating shaft is avoided; the installation clearance between the hopper body and the connecting cover is sealed through the sealing ring, the situation that the driving mechanism influences the normal operation of the filtering device due to air leakage in the process of filter pressing of battery slurry in the filtering hopper is avoided, and the operation stability of the filtering device is further improved.

Drawings

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

Fig. 1 is a cross-sectional view of a battery slurry filtering device according to the present invention;

fig. 2 is a front view of a battery slurry filtering device according to the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a left side view of the battery slurry filtering device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 all belong to the protection scope of the present invention.

As shown in fig. 1, with reference to fig. 2-4, the battery slurry filtering apparatus of the present invention includes a filter hopper 1, a connecting cover 2, a driving mechanism 3, and a stirring mechanism 4.

The filter hopper 1 is used for installing and fixing the connecting cover 2 and filtering the battery slurry; specifically, filter 1 and include bucket body and filter screen, and the detachable fixed mounting of bucket body is on connecting lid 2, and filter screen fixed mounting keeps away from the one end of connecting lid 2 in the bucket body, carries out the splendid attire to battery thick liquids through the bucket body to filter and sieve battery thick liquids through the filter screen.

The connecting cover 2 is used for connecting the filter hopper 1 and the driving mechanism 3; specifically, connect lid 2 fixed mounting on the bucket body, connect the one end and the actuating mechanism 3 fixed connection that filter hopper 1 was kept away from to lid 2, adopt detachable the connection through connecting lid 2 and bucket body to be convenient for install the dismantlement and maintain the bucket body.

In order to further improve the mounting and dismounting efficiency of the filter device; concretely, adopt hasp fixed connection between the bucket body and the connection lid 2, the hasp includes movable part and fixed part, and movable part fixed mounting is in the outer wall of bucket body, and connection lid 2 is gone up fixed mounting have with the fixed part of movable part looks adaptation, through the joint and fix between movable part and the fixed part to be convenient for install fast bucket body and connection lid 2 and dismantle and maintain, and then shortened the cycle of installation dismantlement greatly.

The driving mechanism 3 is used for changing the internal air pressure of the filter hopper 1 and the connecting cover 2 and accelerating the filtering speed of the battery slurry in the hopper body; specifically, actuating mechanism 3 includes barrel 31, first buffering subassembly 32 and second buffering subassembly 33, barrel 31 fixed mounting is in the one end that the bucket body was kept away from to connecting lid 2, barrel 31 is kept away from the one end of connecting lid 2 and is followed barrel 31 axial extending direction slidable mounting and run through and extend to the inside first buffering subassembly 32 of barrel 31, the inside of barrel 31 and be located the one end slidable mounting that first buffering subassembly 32 is close to connecting lid 2 has second buffering subassembly 33, the direction of motion of second buffering subassembly 33 is parallel with barrel 31 axial extending direction, second buffering subassembly 33 meshes with rabbling mechanism 4 mutually, first buffering subassembly 32 changes the bucket body and the inside atmospheric pressure of connecting lid 2 through second buffering subassembly 33, thereby make the inside battery thick liquids of bucket body filter under the effect of gaseous pressure fast, realize simple and convenient filter-pressing's effect.

In order to further improve the filtering quality of the filtering device to the battery slurry; specifically, first buffering subassembly 32 and second buffering subassembly 33 interval set up, and form the cushion chamber between first buffering subassembly 32 and the second buffering subassembly 33, slow down the effort between first buffering subassembly 32 and the second buffering subassembly 33 through the cushion chamber, avoid connecting 2 inside atmospheric pressure and too big granule that causes in the inside battery thick liquids of bucket body under the effect of gas pressure through the filter screen and lead to the condition emergence that the filter effect is poor, thereby improved this filter equipment's processingquality.

In order to further improve the filtering effect of the filtering device; specifically, the first buffer assembly 32 includes a first piston 321 and a push rod 322, the first piston 321 is slidably mounted inside the barrel 31 and along an axial extending direction of the barrel 31, the push rod 322 penetrates through the barrel 31 and is fixedly connected with the first piston 321 along the axial extending direction of the barrel 31, the second buffer assembly 33 includes a second piston 331 and a toothed plate 332, the second piston 331 is slidably mounted inside the barrel 31 and located on one side of the first piston 321 close to the connecting cover 2, the toothed plate 332 parallel to the axial extending direction of the barrel 31 is fixedly mounted on one side of the second piston 331 away from the first piston 321, the toothed plate 332 is engaged with the stirring mechanism 4, the push rod 322 is driven by fixing the barrel 31, the push rod 322 drives the first piston 321 to be close to the connecting cover 2 and increase the air pressure inside the buffer cavity, the air pressure inside the buffer cavity drives the second piston 331 to be close to the connecting cover 2 and increase the air pressure inside the connecting cover 2 and the bucket body, connect lid 2 and the inside atmospheric pressure of bucket body to battery thick liquids effect and accelerate the filter velocity of battery thick liquids, realize simple and convenient high-efficient filterable effect.

It should be noted that, in the technical solution, the cylinder 31 on the driving mechanism 3 and the connecting cover 2 may be fixedly connected or detachably connected, as long as it is ensured that the cylinder 31 and the connecting cover 2 are stably connected and have good sealing performance.

The stirring mechanism 4 is used for stirring the battery slurry in the filter hopper 1; specifically, rabbling mechanism 4 includes drive assembly 41 and puddler 42, and puddler 42 rotates and installs in the inside of barrel 31, and drive assembly 41 sets up in the inside of barrel 31, and drive assembly 41 is used for converting the linear drive of pinion rack 332 into the axial of puddler 42 and rotates to make this filter equipment stir simultaneously at the in-process that carries out the filter-pressing to battery thick liquids, further accelerated the filtration rate of battery thick liquids.

In order to further improve the filtering efficiency and the anti-blocking performance of the filtering device; specifically, transmission assembly 41 includes pivot 411, spur gear 412, first helical gear 413 and second helical gear 414, pivot 411 is perpendicular and rotate for pinion rack 332 and installs in the inside of barrel 31, spur gear 412 cup joints in the outer wall of pivot 411 and meshes with pinion rack 332 mutually, first helical gear 413 cup joints in the outer wall of pivot 411, second helical gear 414 cup joints on puddler 42 and meshes with first helical gear 413 mutually, it moves along the axial extension direction of barrel 31 to drive pinion rack 332 through second piston 331, pinion rack 332 drives pivot 411 and first helical gear 413 rotatoryly through spur gear 412, first helical gear 413 drives puddler 42 rotatoryly through second helical gear 414, thereby stir 1 inside battery thick liquids of filter fill, avoid battery thick liquids to block up the filter screen and lead to the condition that filtration efficiency is low to take place.

In order to further increase the operational stability of the filter device; specifically, the quantity of pivot 411 and spur gear 412 is two, two pivots 411 are the symmetric distribution in the both sides of pinion rack 332, the inside fixed mounting of barrel 31 has the bearing with puddler 42 looks adaptation, pinion rack 332 to on the second buffering subassembly 33 carries on spacingly through two spur gears 412, make the inside operation of second buffering subassembly 33 at barrel 31 more stable, avoid second buffering subassembly 33 to take place at barrel 31 inside operation unstability and the condition that influences this filter equipment's normal operating, the rethread bearing is spacing to puddler 42, make puddler 42 more stable at the inside operation of barrel 31, and simultaneously, avoid puddler 42 to take place with the serious condition that influences filter equipment normal operating of barrel 31 wearing and tearing when the operation, the operating stability of this filter equipment has further been improved.

In order to further increase the operational stability of the filter device; it is specific, the inside fixed mounting of barrel 31 has the bearing seal with pivot 411 looks adaptation, the bucket body is the toper fill with connecting lid 2, removable the installation sealing washer between the bucket body and the connecting lid 2, contact department through bearing seal counter shaft 411 and barrel 31 seals, avoid pivot 411 to produce the clearance between pivoted in-process and barrel 31 and cause gas leakage and influence the condition of this filter equipment's normal operating and take place, the rethread sealing washer seals the junction of bucket body and connecting lid 2, avoid actuating mechanism 3 to leak gas and influence the condition of this filter equipment's normal operating and take place at the junction to filter 1 inside battery thick liquids filter-pressing in-process bucket body and connecting lid 2, the operating stability of this filter equipment has further been improved.

The working principle of the technical scheme is as follows:

firstly, the connecting cover 2 is separated from the filter bucket 1 by separating the movable part of the lock catch on the filter bucket 1 from the fixed part on the connecting cover 2;

then, injecting the battery slurry into the filter hopper 1, folding the connecting cover 2 and the filter hopper 1, and locking a movable part of a lock catch on the filter hopper 1 and a fixed part on the connecting cover 2;

finally, through promoting push rod 322, push rod 322 drives first piston 321 and is close to connecting lid 2 and increase the inside atmospheric pressure of cushion chamber, the inside atmospheric pressure of cushion chamber drives second piston 331 and is close to connecting lid 2 and increase and connects lid 2 and filter the inside atmospheric pressure of 1 of fighting, connect lid 2 and filter the inside atmospheric pressure of 1 of fighting to filter and fight 1 in the battery thick liquids effect and accelerate the filter velocity of battery thick liquids, second piston 331 drives pinion rack 332 and is close to connecting lid 2 simultaneously, pinion rack 332 drives pivot 411 and first helical gear 413 rotation through spur gear 412, first helical gear 413 drives the puddler 42 rotation through second helical gear 414 and stirs the battery thick liquids in the filter fill 1, realize the effect of simple and convenient high efficiency filtration and stirring.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery slurry filtering device comprises a filter hopper (1), and is characterized in that: the device also comprises a connecting cover (2), a driving mechanism (3) and a stirring mechanism (4);

the filter hopper (1) is used for installing and fixing the connecting cover (2) and filtering the battery slurry;

the connecting cover (2) is arranged on the filter hopper (1) and is used for connecting the filter hopper (1) and the driving mechanism (3);

the driving mechanism (3) is arranged at one end of the connecting cover (2) far away from the filter hopper (1); the air pressure in the filter hopper (1) and the connecting cover (2) is changed, and the filtering speed of battery slurry in the filter hopper (1) is accelerated;

the stirring mechanism (4) is arranged on the driving mechanism (3); the stirring device is used for stirring the battery slurry in the filtering hopper (1), so that the filtering of the battery slurry is accelerated and the filtering hopper (1) is prevented from being blocked.

2. The battery slurry filtration device of claim 1, wherein: filter hopper (1) includes bucket body and filter screen, and the bucket body sets up on connecting lid (2), and the filter screen sets up in the one end of keeping away from of bucket body and connecting lid (2), connects lid (2) and adopts detachable fixed connection with the bucket body.

3. A battery slurry filtration device according to claim 2, wherein: the bucket body passes through hasp and is connected lid (2) fixed connection, and the hasp includes movable part and fixed part, and the movable part sets up on the bucket body, connects to be provided with on lid (2) with the fixed part of movable part adaptation, through joint and fixed between movable part and the fixed part.

4. The battery slurry filtration device of claim 1, wherein: the driving mechanism (3) comprises a cylinder (31), a first buffer component (32) and a second buffer component (33); the cylinder (31) is arranged at one end of the connecting cover (2) far away from the filter hopper (1); the first buffer component (32) is arranged at one end of the cylinder body (31) far away from the connecting cover (2) and extends into the cylinder body (31); the second buffer assembly (33) is arranged in the barrel (31), and is positioned at one side of the first buffer assembly (32) close to the connecting cover (2), the second buffer assembly (33) is meshed with the stirring mechanism (4), a buffer cavity is formed between the first buffer assembly (32) and the second buffer assembly (33), the first buffer assembly (32) is used for changing the air pressure in the buffer cavity and slowly driving the second buffer assembly (33) to slide relative to the axial extension direction of the barrel (31), the second buffer assembly (33) is used for changing the air pressure in the connecting cover (2) and the filtering hopper (1), and the stirring mechanism (4) is driven to stir the battery slurry in the filtering hopper (1).

5. The battery slurry filtration device of claim 4, wherein: the first buffer assembly (32) comprises a first piston (321) and a push rod (322), the first piston (321) is arranged inside the cylinder body (31), and the push rod (322) penetrates through the cylinder body (31) along the axial extension direction of the cylinder body (31) and is fixedly connected with the first piston (321); second buffer component (33) include second piston (331) and pinion rack (332), second piston (331) set up in the inside of barrel (31), and be located one side that first piston (321) are close to connecting lid (2), pinion rack (332) set up in the one end that first piston (321) were kept away from in second piston (331), pinion rack (332) mesh with rabbling mechanism (4) mutually, second piston (331) drive rabbling mechanism (4) through pinion rack (332) and stir the inside battery thick liquids of filter hopper (1).

6. The battery slurry filtration device of claim 5, wherein: rabbling mechanism (4) include drive assembly (41) and puddler (42), and puddler (42) set up in the inside of barrel (31), and drive assembly (41) are used for converting the linear drive of pinion rack (332) into the axial of puddler (42) and rotate.

7. The battery slurry filtration device of claim 6, wherein: the transmission assembly (41) comprises a rotating shaft (411), a straight gear (412), a first bevel gear (413) and a second bevel gear (414), the rotating shaft (411) is arranged inside the cylinder body (31), the straight gear (412) is arranged on the rotating shaft (411) and meshed with the toothed plate (332), the second bevel gear (414) is arranged on the stirring rod (42), and the first bevel gear (413) is arranged on the rotating shaft (411) and meshed with the second bevel gear (414).

8. The battery slurry filtration device of claim 7, wherein: the number of the rotating shafts (411) and the number of the straight gears (412) are two, the rotating shafts (411) are symmetrically distributed on two sides of the toothed plate (332), and bearings matched with the stirring rods (42) are arranged in the barrel body (31).

9. The battery slurry filtration device of claim 7, wherein: and a shaft seal matched with the rotating shaft (411) is arranged in the barrel (31).

10. A battery slurry filtration apparatus as claimed in claim 2 wherein: the bucket body and the connecting cover (2) are both conical buckets, and a sealing ring is arranged between the bucket body and the connecting cover (2).