CN111821894A

CN111821894A - High-efficient stable battery automated production device

Info

Publication number: CN111821894A
Application number: CN202010178591.7A
Authority: CN
Inventors: 孔德龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2020-10-27
Also published as: CN108905832A; CN111249978A; CN108905832B

Abstract

The invention discloses a high-efficiency and stable automatic battery production device which comprises a material tank, a first stirring component and a second stirring component, wherein the material tank is used for containing materials; the second stirring component is arranged in the material tank and is used for stirring the materials in the material tank; the vacuumizing component is matched with the material tank to pump out air in the material tank; and the ultrasonic component is arranged on the material tank and is used for vibrating and crushing large-particle materials in the material tank. According to the invention, the upper layer of materials are conveyed to the lower part through the first stirring part, so that the problem that the upper layer of materials are difficult to convey to the lower part quickly and effectively in the traditional stirring process is avoided, the uniformity of mixing of different materials is effectively improved, the time for uniformly stirring the materials is shortened, and the efficiency for uniformly stirring the materials is improved.

Description

High-efficient stable battery automated production device

Technical Field

The invention belongs to the technical field of battery manufacturing, and particularly relates to an efficient and stable automatic battery production device.

Background

The influence degree of the mixed dispersion process on the quality of the product in the whole production process of the lithium ion battery is more than 30 percent, and the mixed dispersion process is the most important link in the whole production process. Manufacturing an electrode of a lithium ion battery, wherein positive electrode slurry comprises an adhesive, a conductive agent, a positive electrode material and the like; the negative electrode slurry is composed of a binder, graphite carbon powder and the like. The preparation of the positive electrode slurry and the negative electrode slurry comprises a series of processes of mixing, dissolving, dispersing and the like between liquid and between liquid and solid materials, and the processes are accompanied by changes of temperature, viscosity, environment and the like.

In the positive electrode slurry and the negative electrode slurry, the dispersibility and the uniformity of the granular active substances directly affect the movement of lithium ions between two electrodes of the battery, so that the mixing and the dispersion of the slurry of each pole piece material are very important in the production of the lithium ion battery, and the quality of the dispersion of the slurry directly affects the quality of the subsequent production of the lithium ion battery and the performance of products thereof. Therefore, in the process of preparing the electrode plate, the mixing and dispersing quality of the lithium ion battery slurry must be well controlled, and the uniformity and the dispersion stability of the battery slurry are improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the efficient and stable automatic battery production device which is simple in structure and high in stirring efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: an efficient and stable automatic battery production device comprises

The material tank is used for containing materials,

the first stirring component is arranged in the material tank and used for pumping the material at the upper part of the material tank into the lower part of the material tank and then discharging the material along the height direction of the material tank;

the second stirring component is arranged in the material tank and is used for stirring the materials in the material tank;

the vacuumizing component is matched with the material tank to pump out air in the material tank;

and the ultrasonic component is arranged on the material tank and is used for vibrating and crushing large-particle materials in the material tank.

According to the invention, the first stirring component is arranged to uniformly disperse the materials at the upper part of the material tank in the middle and the lower part of the material tank, so that the materials can be quickly mixed, and impact force can be applied to the materials outside in the discharging process of the materials, and the stirring efficiency of the whole materials is accelerated; the second stirring part is arranged to utilize the traditional stirring mode, when the first stirring part conveys the upper-layer materials to the lower layer, the materials can be quickly stirred, so that different materials can be quickly stirred uniformly, the uniform stirring efficiency of the whole materials is guaranteed, and the vacuumizing part is arranged to pump out air in the material tank in the uniform stirring process of the materials, so that the materials do not contain air, the uniform coating of the materials in the later coating process is guaranteed, and no impurities exist in the material tank due to vacuumizing, and the quality of the whole lithium battery in the battery manufacturing process is improved; and set up ultrasonic component then the shell to the material jar in the transmission ultrasonic wave, one of them one side can shake garrulous with the material of large granule, and on the other hand material can shake because of the ultrasonic wave to can accelerate the mixed effect between the material.

Further, the first stirring part comprises a cylinder body arranged in the material tank, a piston piece capable of moving up and down in the cylinder body, a feeding pipeline communicated with the cylinder body and a discharge hole formed in the cylinder body, wherein one end of the feeding pipeline is arranged at the upper part of the material tank; set up barrel, piston and charge-in pipeline and can be at the in-process of piston up-and-down action, earlier discharge the air in the barrel, then in the time of piston downstream, can effectively with the material suction on upper portion to the barrel in, then carry out evenly distributed in inside to when new material enters into whole material jar, just can carry out even distribution, and set up the discharge gate then can supply the material blowout.

Furthermore, the feeding pipeline is provided with at least three first separation blades which are mutually matched in a sealing manner, the first separation blades are connected with the inner wall of the cylinder body, and the first separation blades automatically open the feeding pipeline when the piston piece moves downwards; three first separation blade on charge-in pipeline, consequently in piston downstream, the inside negative pressure that can form of piston, and this negative pressure complex material is to the pressure of first separation blade, can make first separation blade inflexion, thereby whole feedstock channel is opened, and then inside the material can be quick by the suction to the barrel, this process is red because only carry out the shutoff through first separation blade, its whole simple structure, the consumptive material is few, it is not fragile, advantages such as cost is low, and can also be effectual the material to in the charge-in pipeline at the in-process of piston upward movement, make the unable port blowout from charge-in pipeline of material, all materials that have got into in the barrel are gone out from the discharge gate.

Furthermore, at least three second blocking pieces which are mutually matched in a sealing manner are arranged on the discharge hole, the second blocking pieces are connected with the outer wall of the barrel, and the discharge hole is automatically opened when the piston piece of the second blocking pieces moves upwards; set up three second baffle on the discharge gate, its in-process at piston downstream, the second baffle can be closed, and the material that can ensure the lower part in this in-process can not be by the suction to the barrel to guaranteed that the material from the suction of material jar upper portion can all enter into material jar lower part.

The barrel is further connected with an L-shaped discharge pipeline which is communicated with the discharge port, and the side wall of the discharge pipeline is provided with a plurality of discharge openings; set up ejection of compact pipeline then can be convenient for at piston upward movement's in-process, discharge the material along this ejection of compact pipeline's length direction, and set up the discharge opening and make the material spray away from in each position of material jar, each position of material jar is discharged into to material that the messenger sprays away, another is that the impulsive force of spraying can make the material in the material jar receive the impact force, and then some movements of material realize material stirring.

Further, the piston piece comprises a piston body, a push rod connected with the piston body and a nitrogen pipeline used for filling nitrogen into the cylinder, and the end part of the nitrogen pipeline is movably connected with a material baffle plate; the nitrogen pipeline is arranged, in the process of stirring materials, under the condition that the materials are basically stirred uniformly, nitrogen can be introduced into the barrel body, so that the materials remained on the discharge pipeline can be quickly discharged under the air pressure, the materials remained in the first stirring part are reduced, the nitrogen is high in purity and inactive, the situation that substances in the materials are contacted with the nitrogen to cause ionic motion is avoided, the nitrogen pipeline has strong protective performance, when the nitrogen basically discharges the remained materials, the piston is stopped to move, then the vacuum part is restarted to vacuumize, the second stirring part is continuously stirred in the vacuumizing process, so that the real materials do not contain air, and the produced slurry is stable in structure and good in quality; and set up the striker plate then can protect in the material can not enter into nitrogen gas pipeline before not letting in nitrogen gas in the nitrogen gas pipeline, protected nitrogen gas pipeline can not blockked up by the material.

Furthermore, a balancing weight with an inverted cone shape is bonded on the striker plate, a supporting convex ring matched with the end face of the balancing weight is arranged on the inner wall of the nitrogen pipeline, and the inner wall of the supporting convex ring is obliquely arranged from bottom to top; set up the balancing weight can be convenient for the striker plate after opening, can be accurate when reseing in entering into the nitrogen gas pipeline, and still avoided the striker plate to take place automatic opening and close because of the piston oscilaltion for the balancing weight, whole nitrogen gas pipeline's stability has been improved, and set up and support the bulge loop and can support striker plate and balancing weight, it can not excessively downstream and block to keep the striker plate, and the support bulge loop that the inner wall slope set up, its area of contact with the balancing weight lateral wall is big, its leakproofness is good, the stability of material and row material is taken out to whole piston spare has been ensured.

Furthermore, a magnetic part is arranged inside the supporting convex ring and matched with the balancing weight; the magnetic part is arranged to absorb the balancing weight, and when nitrogen is introduced, the magnetic part can push the whole striker plate away under the condition that the nitrogen reaches a certain air pressure, so that the striker plate cannot shake easily in the process.

Further, a sealing layer matched with the inner wall of the nitrogen pipeline is bonded on the side wall of the material baffle plate; the sealing layer is arranged, so that the sealing performance between the material baffle and the inner wall of the nitrogen pipeline can be improved, and the sealing performance for the material baffle is guaranteed.

Further, the supporting convex ring is a conical rubber ring; will the support bulge loop set up to rubber, in close contact with between rubber and the balancing weight lateral wall, its sealing performance is good, can the sealed effect of whole striker plate of effectual improvement.

In conclusion, the first stirring component is used for conveying the upper-layer materials to the lower part, so that the problem that the upper-layer materials are difficult to convey to the lower part quickly and effectively in the traditional stirring process is avoided, the uniformity of mixing of different materials is effectively improved, the time for uniformly stirring the materials is shortened, and the efficiency for uniformly stirring the materials is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a schematic structural view of the first blocking sheet of the present invention.

Fig. 4 is a partial schematic view of the first blocking sheet of the present invention.

Fig. 5 is a schematic cross-sectional view of the first blocking sheet of the present invention.

Fig. 6 is an enlarged view of B in fig. 1.

Fig. 7 is a schematic structural view of a second blocking sheet of the present invention.

FIG. 8 is a partial schematic view of a second baffle of the present invention.

FIG. 9 is a cross-sectional view of a second baffle of the present invention.

Fig. 10 is an enlarged view of C in fig. 1.

Fig. 11 is an enlarged view of D in fig. 10. 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 drawings in the embodiments of the present invention.

As shown in fig. 1 to 11, an efficient and stable automatic battery production apparatus includes a material tank 1, a first stirring component 2, a second stirring component 3, a vacuum pumping component 4 and an ultrasonic component 5, where the material tank 1 is a metal tank, the material tank 1 includes a tank body 11 and a cover body 12, the tank body 11 is provided with a discharge channel 111, the cover body 12 is covered on the tank body 11, and the lower end of the cover body 12 is provided with a sealing gasket, and when the cover body 12 is covered on the tank body 11, the tank body 11 and the cover body 12 are hermetically connected through the sealing gasket; an air extraction pipeline 121 is arranged on the cover body 12, and the air extraction pipeline 121 is matched with the vacuumizing part 4 so as to extract air in the whole material tank 1; the vacuum-pumping part 4 is a vacuum-pumping machine existing in the market, and is connected with the air-pumping pipeline 121 through a rubber hose, so that air in the material tank 1 can be rapidly pumped out through the vacuum-pumping machine.

Further, the first stirring component 2 is arranged in the tank 11, the first stirring component 2 includes a cylinder 21, a piston component 22, a feeding pipeline 23 and a discharging port 24, the cylinder 21 is a cylindrical metal drum, the cylinder 21 is arranged in the tank 11, the piston component 22 is arranged in the cylinder 21, and the piston component 22 can move up and down in the cylinder 21 under the pushing of an air cylinder; the feed pipe 23 is an L-shaped metal pipe, the upper end of the feed pipe 23 is arranged at the upper part of the tank 11, three first blocking pieces 25 are arranged at the upper end of the feed pipe 23, the three first blocking pieces 25 are arranged in a triangular shape, the three first blocking pieces 25 comprise a first fixing frame 251 and a first elastic sealing layer 252 wrapped in the first fixing frame 251, the first fixing frame 251 is a plastic frame, the first elastic sealing layer 252 is a rubber layer with larger thickness and hardness, the first elastic sealing layer 252 is bonded with the inner wall of the feed pipe 21, and the first blocking pieces 25 cannot change if only under the pressure of the material; the two adjacent first separation blade 25 sides contact each other, and form sealedly each other, and three first separation blade 25 forms and inverts in last triangular cone of charge-in pipeline 21, therefore three first separation blade 25 only when the material flows into charge-in pipeline 21, and piston member 22 downstream realizes drawing the material in barrel 21, and three first separation blade 25 is inwards opened to the material can be washed open first separation blade 25, and then realizes that the material enters into in the barrel 21.

Specifically, the discharge port 24 is arranged on the side wall of the cylinder 21, when the piston 22 pushes up and down, since the material in the cylinder 21 is extruded, in the initial stage, part of the material will extrude the first blocking pieces 25, the three first blocking pieces 25 will be rapidly closed under the pressure, and then the material in the cylinder 21 will be discharged along the discharge port 24 under the pressure; in order to avoid the situation that the tank material enters the barrel body 21 from the discharge port 24 during the material pumping process, three second baffles 26 are arranged in the discharge port 24, each second baffle 26 comprises a second frame body 261 and a second elastic sealing layer 262, the second elastic sealing layer 262 wraps the second frame body 261, the second elastic sealing layer 262 is glued with the outer wall of the barrel body 21, the second frame body 261 is identical to the first frame body 251, and the second elastic sealing layer 262 is identical to the first elastic sealing layer 262, so that the three second baffles 26 form a cone, the cone point of the cone faces the inner wall of the tank body, and the two adjacent second baffles 26 are in sealing contact.

Further, still can dismantle the ejection of compact pipeline 27 that is connected with the L shape setting on the barrel 21, the tip cover of this ejection of compact pipeline 27 on discharge gate 24 to this ejection of compact pipeline 27 with the outer wall of barrel 21 can be dismantled and be connected, be equipped with a plurality of discharge opening 271 on the ejection of compact pipeline 27, discharge opening 271 is for along the length direction of ejection of compact pipeline 27 sets gradually from top to bottom.

Specifically, the piston member 22 includes a piston body 221, a push rod 222 and a nitrogen gas pipe 223 arranged on the push rod 222, the piston body 221 is a conical rubber, the push rod 222 is a metal rod, the push rod 222 penetrates through the piston body 221, the push rod 222 penetrates out of the bottom of the cylinder 21 and penetrates out of the bottom of the tank 11, and the push rod 22 is in sealing fit with the bottom of the tank 11 and the bottom of the cylinder 21; the pushing rod 222 is connected to the end of the cylinder 229, so that the piston 22 moves up and down along the inner wall of the cylinder 21 under the pushing action of the cylinder 229;

further, the nitrogen pipe 223 is a metal pipe, which is inserted into the push rod and then penetrates into the piston body 221, and the end of the nitrogen pipe 223 slightly penetrates out of the piston body 221 or is flush with the end face of the piston body 221, and the nitrogen pipe 223 is provided with a nitrogen bottle connected thereto; so that nitrogen in the nitrogen bottle can enter the cylinder 212 along the nitrogen pipeline 223, a baffle plate 28 is arranged at the end part of the nitrogen pipeline 223, the baffle plate 28 is a rubber plate with hard texture, a sealing layer 282 is arranged on the side wall of the baffle plate 28, the sealing layer 282 is a rubber ring with soft texture, and the sealing layer 282 is in sealing contact with the inner wall of the nitrogen pipeline 223; the striker plate 28 is movably connected with the inner wall of the nitrogen pipeline 223, a reverse tapered counterweight 281 is bonded on the lower end surface of the striker plate 28, and the counterweight 281 is a metal block; a supporting convex ring 224 is arranged on the inner wall of the nitrogen pipeline 223, the supporting convex ring 224 is a conical rubber ring, and a hollow area in the middle of the supporting convex ring 224 is a boss-shaped cavity, so that the inner wall of the supporting convex ring 224 is obliquely arranged from bottom to top, when the striker plate 28 is embedded into the nitrogen pipeline 223, the striker plate 28 is erected on the supporting convex ring 224, and the outer wall of the counterweight 281 is in contact with the inner wall of the supporting convex ring 224; a magnetic member 225 is disposed inside the supporting convex ring 224, and the magnetic member 225 is a magnet wrapped by the supporting convex ring 224 and capable of attracting the weight 281.

Further, the second stirring component 3 includes a stirring paddle 31, a stirring shaft 32 and a driving motor 33, the stirring shaft 32 is transversely disposed, the stirring shaft 32 is inserted into the tank 11 from the side wall of the tank 11, the stirring shaft 32 is a metal shaft, the stirring paddle 31 is a metal paddle, the driving motor 33 is a motor existing in the market, and the driving motor 34 rotates the stirring paddle 31 in the tank 11 through a belt or chain transmission manner; the ultrasonic component 5 is disposed on the side wall of the tank 11, and the ultrasonic component 5 is an ultrasonic vibrator in chinese patent CN 205797113U, which is a prior art and therefore will not be described herein again.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient stable battery automated production device which characterized in that: comprises that

A material tank (1) for containing materials,

the first stirring component (2) is arranged in the material tank (1) and is used for pumping the material at the upper part of the material tank (1) into the lower part of the material tank (1) and then discharging the material along the height direction of the material tank (1);

the second stirring component (3) is arranged in the material tank (1) and is used for stirring the materials in the material tank (1);

the vacuumizing part (4) is matched with the material tank (1) to pump out air in the material tank (1);

the ultrasonic component (5) is arranged on the material tank (1) and is used for vibrating and crushing large-particle materials in the material tank (1);

the first stirring component (2) comprises a cylinder body (21) arranged in the material tank (1), a piston component (22) capable of moving up and down in the cylinder body (21), a feeding pipeline (23) communicated with the cylinder body (21) and a discharging hole (24) formed in the cylinder body (21), wherein one end of the feeding pipeline (23) is arranged at the upper part of the material tank (1);

the feeding pipeline (23) is provided with at least three first blocking pieces (25) which are mutually matched in a sealing way, the first blocking pieces (25) are connected with the inner wall of the cylinder body (21), and the first blocking pieces (25) automatically open the feeding pipeline (23) when the piston piece (22) moves downwards;

at least three second blocking pieces (26) which are mutually matched in a sealing way are arranged on the discharge hole (24), the second blocking pieces (26) are connected with the outer wall of the cylinder body (21), and the second blocking pieces (26) automatically open the discharge hole (24) when the piston piece (22) moves upwards;

the barrel (21) is connected with an L-shaped discharge pipeline (27), the discharge pipeline (27) is communicated with the discharge hole (24), and a plurality of discharge openings (271) are arranged on the side wall of the discharge pipeline (27);

the piston piece (22) comprises a piston body (221), a push rod (222) connected with the piston body (221) and a nitrogen pipeline (223) used for filling nitrogen into the cylinder, and the end part of the nitrogen pipeline (223) is movably connected with a baffle plate (28);

the nitrogen pipe (223) is a metal pipe, and is inserted into the push rod and then penetrates into the piston body (221); the nitrogen pipeline (223) is connected with a nitrogen bottle; so that the nitrogen in the nitrogen cylinder enters the cylinder (212) along the nitrogen pipeline (223); the second stirring part (3) comprises a stirring paddle (31), a stirring shaft (32) and a driving motor (33), the stirring shaft (32) is transversely arranged, the stirring shaft (32) is inserted into the tank body (11) from the side wall of the tank body (11), the stirring shaft (32) is a metal shaft, the second stirring part (3) comprises the stirring paddle (31), the stirring shaft (32) and the driving motor (33), the stirring shaft (32) is transversely arranged, the stirring shaft (32) is inserted into the tank body (11) from the side wall of the tank body (11), the driving motor (33) enables the stirring paddle (31) to rotate in the tank body (11) through a belt or chain transmission mode, and the second stirring part is continuously stirred in the vacuumizing process; a counter weight block (281) in an inverted cone shape is bonded on the material baffle plate (28), a supporting convex ring (224) matched with the end face of the counter weight block (281) is arranged on the inner wall of the nitrogen pipeline (223), and the inner wall of the supporting convex ring (224) is inclined from bottom to top; a magnetic part (225) is arranged inside the supporting convex ring (224), and the magnetic part (225) is matched with the counterweight block (281); the supporting convex ring (224) is a conical rubber ring.