CN215353972U

CN215353972U - Iron removing device for lithium ion battery slurry

Info

Publication number: CN215353972U
Application number: CN202121829321.4U
Authority: CN
Inventors: 李洪武
Original assignee: Anhui Pinyou Battery Co ltd
Current assignee: Anhui Pinyou Battery Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-31
Anticipated expiration: 2031-08-06

Abstract

The utility model provides a lithium ion battery slurry iron removal device, which comprises: a de-ironing box; the blocking base is arranged at the bottom of the iron removing box; the collecting device, the collecting device set up in the centre that blocks the base top, the collecting device is including collecting the box, the centre of collecting the box top is provided with collects the chamber, the inside fixed mounting who collects the chamber has the filter plate, the preceding and the back of collecting the bottom of the box portion all are equipped with firmly draws the piece, the equal fixedly connected with fixed plate in both sides of collecting the bottom of the box portion, one side fixed mounting at fixed plate top has the stopper. The utility model provides a lithium ion battery slurry iron removal device, which is characterized in that a threaded rod is rotated to extrude a nearby extrusion column to extrude a convex block out of a communicating cavity, so that a collection device and a blocking base can be quickly separated, and the collection device is quickly installed and is convenient to disassemble.

Description

Iron removing device for lithium ion battery slurry

Technical Field

The utility model relates to the field of lithium ion batteries, in particular to a lithium ion battery slurry iron removal device.

Background

The lithium battery slurry is generally prepared by uniformly dispersing an electrode active material, a conductive agent, a binder and a dispersing agent, the slurry needs to be subjected to the working procedures of mixing, storing, transferring, conveying, filtering, coating and the like, all working procedure equipment is mostly made of ferrous metal, particularly slurry mixing equipment, a cutter set in a working cavity of the slurry mixing equipment is made of high-hardness alloy stainless steel, although the slurry mixing equipment is hard, the abrasion always exists, and the detection shows that the iron in the slurry is 5ppm more after the slurry is subjected to superfine cyclic dispersion for 30 times.

In the industrial production process, the self-discharge of battery can be influenced to iron in the material, and the battery voltage can drop very fast in storage process promptly, because the existence of iron, can also have great influence to the security performance of battery at the charge-discharge in-process, and lithium electricity enterprise is in the in-process of closing the thick liquids, all can avoid the production of iron impurity as far as possible usually to deironing prevents the influence of iron to the battery performance.

At present, the deironing device of domestic production mainly is two kinds of electromagnet type and permanent magnet formula, and most of products are when aiming at concrete trade, can not satisfy the specific requirement of trade, and especially the producer of the higher liquid thick liquids deironing device research of consistency is few again, and some producers design filtering capability and deironing function into all-in-one, and the structure is complicated, in case the filter screen blocks up or damages, just will wholly dismantle the washing, wastes time and energy.

Therefore, it is necessary to provide a device for removing iron from lithium ion battery slurry to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium ion battery slurry iron removal device, which solves the problems that once a filter screen is blocked or damaged, the filter screen needs to be integrally disassembled and cleaned, and time and labor are wasted.

In order to solve the technical problem, the utility model provides a lithium ion battery slurry iron removal device, which comprises: a de-ironing box;

the blocking base is arranged at the bottom of the iron removing box;

the collecting device, the collecting device set up in the centre that blocks the base top, the collecting device is including collecting the box, the centre of collecting the box top is provided with collects the chamber, the inside fixed mounting who collects the chamber has the filter plate, the preceding and the back of collecting the bottom of the box portion all are equipped with firmly draws the piece, the equal fixedly connected with fixed plate in both sides of collecting the bottom of the box portion, one side fixed mounting at fixed plate top has the stopper.

Preferably, the inside of stopper is provided with spacing chamber, the equal fixed mounting in top and the bottom in spacing chamber has the gag lever post.

Preferably, the outer surface of the limiting rod is provided with a sliding plate, and the top of one side of the sliding plate is fixedly provided with a convex block.

Preferably, a spring is fixedly mounted on the other side of the sliding plate.

Preferably, both sides of the bottom of the blocking base are provided with setting grooves, and the inner threads of the setting grooves are meshed with threaded rods.

Preferably, one side of the setting groove is provided with a communicating cavity, and an extrusion column is arranged in the communicating cavity.

Preferably, the inside of removing iron box is provided with the deironing chamber, one side of removing iron box inner wall is provided with the motor chamber, the inside fixed mounting in motor chamber has the motor, the one end fixedly connected with axis of rotation of motor output shaft.

Preferably, the outer surface of the rotating shaft is provided with a stirring rod.

Compared with the related art, the iron removing device for the lithium ion battery slurry provided by the utility model has the following beneficial effects:

the utility model provides a lithium ion battery slurry iron removal device, which is characterized in that a threaded rod is rotated to extrude a nearby extrusion column to extrude a convex block out of a communicating cavity, so that a collection device and a blocking base can be quickly separated, and the collection device is quickly installed and is convenient to disassemble.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of an iron removal device for lithium ion battery slurry according to the present invention;

FIG. 2 is a cross-sectional view of the damming base shown in FIG. 1;

FIG. 3 is a schematic view of the collection device shown in FIG. 2;

FIG. 4 is a cross-sectional view of the collection device shown in FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a schematic structural diagram of a second embodiment of an apparatus for removing iron from lithium ion battery slurry according to the present invention.

Reference numbers in the figures: 1. except that iron box, 2, block the base, 3, collection device, 31, collect the box, 32, collect the chamber, 33, the filter plate, 34, draw the piece, 35, the fixed plate, 36, the stopper, 4, spacing chamber, 5, the gag lever post, 6, the slide, 7, the lug, 8, the spring, 9, set up the groove, 10, the threaded rod, 11, the intercommunication chamber, 12, the extrusion post, 13, the motor chamber, 14, the motor, 15, the axis of rotation, 16, the poking bar, 17, the deironing chamber.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, wherein fig. 1 is a schematic structural diagram of a first embodiment of an apparatus for removing iron from lithium ion battery slurry according to the present invention; FIG. 2 is a cross-sectional view of the damming base shown in FIG. 1; FIG. 3 is a schematic view of the collection device shown in FIG. 2; FIG. 4 is a cross-sectional view of the collection device shown in FIG. 3; fig. 5 is an enlarged view of the portion a shown in fig. 3. A lithium ion battery slurry deironing device comprises: a de-ironing box 1;

the blocking base 2 is arranged at the bottom of the iron removing box 1;

collection device 3, collection device 3 set up in the centre at obstruction base 2 top, collection device 3 is including collecting box 31, the centre of collecting box 31 top is provided with collects the chamber 32, the inside fixed mounting who collects chamber 32 has filter plate 33, the preceding and the back of collecting box 31 bottom all install firmly and draw piece 34, the equal fixedly connected with fixed plate 35 in both sides of collecting box 31 bottom, one side fixed mounting at fixed plate 35 top has stopper 36.

The collecting box 31 is a cylinder, a collecting cavity 32 with the top and the bottom communicated is arranged in the collecting box, a filter plate 33 is arranged in the collecting cavity 32, slurry is in the collecting cavity 32, the filter plate 33 blocks iron, and the slurry seeps downwards along the filter holes.

The fixing plates 35 are provided in two on the left and right sides of the bottom of the collecting box 31.

The two stoppers 36 are arranged on the top of the fixing plate 35 away from the collecting box 31.

The inside of stopper 36 is provided with spacing chamber 4, the equal fixed mounting in top and the bottom in spacing chamber 4 has gag lever post 5.

Two limiting rods 5 are arranged and transversely arranged at the top and the bottom inside the limiting cavity 4.

The outer surface of the limiting rod 5 is provided with a sliding plate 6, and the top of one side of the sliding plate 6 is fixedly provided with a convex block 7.

The sliding plate 6 can slide left and right on the surface of the limiting rod 5, and the lug 7 is fixed on the side surface of the sliding plate 6 and extends out of the limiting cavity 4.

And a spring 8 is fixedly arranged on the other side of the sliding plate 6.

The spring 8 pushes the slide 6 outwards and pushes the lug 7 out of the limit cavity 4.

Both sides of the bottom of the blocking base 2 are provided with setting grooves 9, and the inner threads of the setting grooves 9 are engaged with threaded rods 10.

The inner surface of the setting groove 9 is provided with threads which are engaged with the threads of the threaded rod 10.

And a communication cavity 11 is arranged on one side of the arrangement groove 9, and an extrusion column 12 is arranged in the communication cavity 11.

The top end of the threaded rod 10 is inclined, the end of the threaded rod 101 opposite to the extrusion column 12 is also inclined, the threaded rod 10 rotates along the inside of the setting groove 9 all the way upwards, the extrusion column 12 is extruded towards the direction of the limiting block 36, and the lug 7 is extruded back to the inside of the limiting cavity 4.

The working principle of the iron removing device for the lithium ion battery slurry provided by the utility model is as follows:

in operation, the pull block 34 is first held, the collecting box 31 is inserted into the middle of the bottom of the blocking base 2, the projection 7 is inserted into the communicating chamber 11, and the collecting device 3 is confined inside the blocking base 2.

When the collecting device is disassembled, the threaded rod 10 on the two sides of the bottom of the blocking base 2 is rotated, the threaded rod 10 is meshed with the surface threads of the arrangement groove 9 to rotate, the top threads of the threaded rod 10 rotate upwards to extrude the extrusion column 12 to move towards the limit block 36, and the extrusion column 12 extrudes the lug 7 into the limiting cavity 4, so that the collecting device 3 is separated from the limit of the blocking base 2.

the utility model provides a lithium ion battery slurry iron removal device, which is characterized in that a threaded rod 10 is rotated to extrude an extrusion column 12 beside the threaded rod, so that a lug 7 is extruded out of a communicating cavity 11, a collection device 3 and a blocking base 2 can be quickly separated, and the collection device 3 is quickly installed and is convenient to disassemble.

Second embodiment

Referring to fig. 6, based on a first embodiment of the present application, a second embodiment of the present application provides another apparatus for removing iron from lithium ion battery slurry. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the difference of a lithium ion battery thick liquids deironing device that the second embodiment of this application provided lies in, a lithium ion battery thick liquids deironing device, the inside of removing iron box 1 is provided with deironing chamber 17, one side of removing iron box 1 inner wall is provided with motor chamber 13, the inside fixed mounting of motor chamber 13 has motor 14, the one end fixedly connected with axis of rotation 15 of the 14 output shafts of motor.

The outer surface of the rotating shaft 15 is provided with a stirring rod 16.

The motor 14 is arranged in the motor cavity 13, and the output shaft of the motor 14 extends into the iron removing cavity 17 and is started by an external power supply.

when the slurry mixer works, the motor 14 is controlled to be started through an external power supply, the output shaft of the motor 14 rotates to drive the rotating shaft 15 to rotate, the rotating shaft 15 rotates to drive the stirring rod 16 to stir slurry, and the slurry is prevented from being precipitated due to slow flowing crystallization.

the utility model provides a deironing device for lithium ion battery slurry, which drives a stirring rod 16 to rotate through the rotation of an output shaft of a motor 14, stirs the lithium ion battery slurry in a deironing box 1, avoids crystals from generating and precipitating during the retention time of the slurry in the deironing process, and avoids the filtering holes from being blocked by the crystals.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a lithium ion battery thick liquids deironing device which characterized in that includes: a de-ironing box;

the blocking base is arranged at the bottom of the iron removing box;

2. The iron removing device for the lithium ion battery slurry according to claim 1, wherein a limiting cavity is arranged inside the limiting block, and limiting rods are fixedly mounted at the top and the bottom of the limiting cavity.

3. The iron removing device for the lithium ion battery slurry according to claim 2, wherein a sliding plate is arranged on the outer surface of the limiting rod, and a convex block is fixedly arranged at the top of one side of the sliding plate.

4. The iron removing device for the lithium ion battery slurry according to claim 3, wherein a spring is fixedly mounted on the other side of the sliding plate.

5. The iron removing device for the lithium ion battery slurry as claimed in claim 1, wherein the blocking base is provided with a set groove on both sides of the bottom thereof, and the set groove is engaged with a threaded rod through internal threads.

6. The iron removing device for the lithium ion battery slurry according to claim 5, wherein a communication cavity is arranged on one side of the arrangement groove, and an extrusion column is arranged inside the communication cavity.

7. The iron removing device for the lithium ion battery slurry according to claim 1, wherein an iron removing cavity is arranged inside the iron removing box, a motor cavity is arranged on one side of the inner wall of the iron removing box, a motor is fixedly arranged inside the motor cavity, and a rotating shaft is fixedly connected to one end of an output shaft of the motor.

8. The iron removing device for lithium ion battery slurry according to claim 7, wherein a stirring rod is arranged on the outer surface of the rotating shaft.