CN113042302A - Battery slurry anti-splashing uniform coating device - Google Patents

Battery slurry anti-splashing uniform coating device Download PDF

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Publication number
CN113042302A
CN113042302A CN202110234627.3A CN202110234627A CN113042302A CN 113042302 A CN113042302 A CN 113042302A CN 202110234627 A CN202110234627 A CN 202110234627A CN 113042302 A CN113042302 A CN 113042302A
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slurry
coating
liquid
splashing
battery
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CN202110234627.3A
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CN113042302B (en
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邓纶浩
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Jiangxi Jiuding Power New Energy Technology Co ltd
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Jiangxi Jiuding Power New Energy Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/83—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers being additionally moved radially, or oscillating about an axis perpendicular to the stirrer axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention discloses a battery slurry anti-splashing uniform coating device, which comprises a support, a speed reducer, a first three-roller mechanism, a second three-roller mechanism, a slurry filter, a power supply control system and a slurry coating slot plate, wherein the speed reducer, the first three-roller mechanism and the second three-roller mechanism are arranged on the support; and when the switch valve is reduced, the practical problem that the effective supply of the battery slurry liquid can not be ensured is solved.

Description

Battery slurry anti-splashing uniform coating device
The technical field is as follows:
the invention relates to the field of chemical machinery, in particular to a coating device in the coating process of a coating material of a lithium ion battery coating machine, and particularly relates to a uniform coating device for preventing splashing of battery slurry.
Background art:
the lithium ion battery is used as a technical means for storing electric energy with the highest energy density at present, and has wide application in a plurality of fields such as mobile electronic equipment, electric automobiles, energy storage equipment and the like. The method has higher requirements on multiple technical indexes such as energy density, capacity density, power density and the like of the lithium ion battery. Because the lithium ion battery has higher superiority in the aspects of working voltage, energy density, safety performance and the like, the lithium ion battery is widely applied to the fields of mobile phones, aerospace and electric vehicles at present. With the wide application of lithium battery, facilities for preparing lithium ion batteries are further popularized. Various devices are also continuously being developed and perfected in the battery manufacturing process. The coating of the raw material slurry of the battery is a necessary process in the preparation process.
In the process of coating slurry liquid by a coating machine of a lithium ion battery, the conventional technical scheme is that the slurry liquid is fed into a coating machine trough or a slurry liquid coating trough plate through a feeding pipeline, at present, most of the slurry liquid is directly discharged from a pipeline which is vertical above a machine head and a pipeline which is communicated with a material receiving plate below the slurry liquid coating trough or the slurry liquid coating trough plate, a discharge port is a circular hollow pipeline, and a simple switch valve is adopted. When the battery is required to be discharged, the switch valve is opened, and the slurry pump is started to pump the battery slurry into the slurry tank, namely the collecting tank of the slurry coating tank, so that the amount of the slurry in the slurry collecting tank on the slurry tank is ensured to be stabilized in a certain range.
However, when the existing discharge pipeline port discharges materials, because the slurry pump is started to work, the discharge pipeline port has certain internal pressure, the slurry liquid can cause instant splashing in the process of being conveyed by the slurry pump, and in addition, because the slurry pump is frequently started to convey, the discharge port is easy to splash slurry, the slurry is splashed to other positions above the machine head or on the body of an operator, and the injury to operators is caused. In addition, the slurry of the lithium battery is mainly chemical substances; when the opening and closing valve is reduced, the effective supply of the slurry cannot be ensured. Meanwhile, when slurry liquid of the lithium battery is pumped into the trough plate pool, because the chemical slurry of the battery is turbid liquid with tiny particles or called emulsion, the dilution degree of the turbid liquid is different when the chemical slurry of the battery is pumped into the trough plate collection pool, namely, hard blocky substances exist in the slurry liquid, and the chemical slurry of the battery needs to be fully and uniformly mixed, so that the chemical slurry of the battery can be well smeared or coated on a workpiece to be coated, such as a G1 workpiece or a coating cloth.
The anti-splashing device for hydraulic oil during the disassembly of the hydraulic pipe, as disclosed in Chinese patent publication No. CN112283208A, comprises a receiving box and a collecting box, wherein the end part of the hydraulic pipe is positioned in the receiving box, the receiving box is communicated with the collecting box, the hydraulic oil during the disassembly of the hydraulic pipe is sprayed out by the end part of the hydraulic pipe and then sequentially enters the receiving box and the collecting box, the receiving box and the collecting box can prevent the hydraulic oil from splashing, and the collecting box can collect the hydraulic oil. When the splash-proof device is used for disassembling the hydraulic pipeline, hydraulic oil can be conveniently recycled. As can be seen from the above-disclosed splash-proof device, it is only a device applied to the hydraulic oil pipe, and it cannot uniformly stir the turbid liquid on the flat well plate. And the structure is complicated. The technical problems of the present invention and the like are far from solved.
Therefore, how to provide a battery slurry anti-splashing uniform coating device, which can directly feed a pipeline vertical from the upper part of a head and a pipeline communicated with the upper part of a trough plate from the lower part of the trough into a coating machine trough plate through a feeding pipeline in the process of coating materials on a lithium ion battery transfer type coating machine, wherein a discharge port of the device is a circular hollow pipeline and is provided with a simple switch valve. When discharging is needed, the switch valve is opened, the slurry pump is started to pump the slurry into the slurry coating slot plate, and when the opening of the discharging pipeline discharges, the slurry is easily splashed out of the discharging port due to certain internal pressure when the slurry pump works, so that the slurry is splashed to other positions above the machine head or on the body of an operator, and workers are damaged; and when the switch valve is reduced, the practical problem that the effective supply of the battery slurry liquid can not be ensured is solved. Meanwhile, when the battery slurry liquid is pumped into the slurry coating slot plate through the slurry pump, the battery slurry liquid is also a suspension liquid, and the concentration of the suspension liquid is non-uniform after being pumped into the slurry coating slot plate, so that the problem of non-uniformity of the battery slurry liquid on a coating film or a coating sheet is caused due to the non-uniform concentration of the battery slurry liquid when the three-roller mechanism is used for coating the battery slurry liquid, and the product quality of the lithium ion battery is influenced.
The invention content is as follows:
the invention aims to overcome the defects and provides a battery slurry anti-splashing uniform coating device aiming at the defects of the prior art, which comprises a support, a speed reducer arranged on the support, a first three-roller mechanism, a second three-roller mechanism, a slurry filter, a power supply control system and a slurry coating slot plate, wherein when discharging is needed, a switch valve is opened, a slurry pump is started to pump slurry into the slurry slot plate, and when a discharging pipeline opening discharges, the slurry pump has certain internal pressure during working, so that the slurry is easy to splash out from a discharging opening, and the slurry is splashed to other positions above a machine head or an operator, and the operator is damaged; and when the switch valve is reduced, the practical problem that the effective supply of the battery slurry liquid can not be ensured is solved.
The invention discloses a battery slurry anti-splashing uniform coating device, which comprises a bracket, a speed reducer arranged on the bracket, a first three-roller mechanism, a stepping motor and a second three-roller mechanism, wherein a slurry filter, a power control system, a slurry coating tank and a slurry coating tank are arranged above one side surface of the slurry coating tank for containing slurry; the slurry splashing prevention mechanism comprises a splashing prevention device, and the splashing prevention device is correspondingly arranged at the outlet of a liquid outlet pipe hole in a slurry coating and collecting pool on the slurry coating groove; the splash-proof device comprises a movable splash-proof device and a fixed splash-proof device.
The utility model provides a battery thick liquids prevents even coating unit that splashes, its the even coating unit activity of thick liquids locates the corresponding position above the thick liquids coating collecting pit of the flourishing battery thick liquids side of thick liquids coating groove.
Preferably, the movable splash guard comprises a liquid outlet pipe and an automatic splash guard part; one end of the liquid outlet pipe is connected to the slurry liquid coating and collecting pool above one side face of the slurry liquid containing side face of the slurry liquid coating groove from the liquid outlet pipe hole on the slurry liquid coating groove, and the other end of the liquid outlet pipe is connected and communicated with the slurry liquid connecting pipe; the automatic splashing prevention part is correspondingly arranged at the outlet end part of the slurry liquid coating collecting pool liquid outlet pipe above the slurry liquid coating groove.
Further, the fixed splash preventer comprises a liquid baffle groove, an upper side wall plate, a lower side wall plate, a circular clamping groove and a fastening screw, wherein the liquid baffle groove is of a cuboid structure, and a stepped clamping groove is formed in the middle of the cuboid structure; the circular clamping groove and the fastening screw are arranged at corresponding positions on the lower side wall plate; the clamping groove-shaped structure of the circular clamping groove is correspondingly matched with the appearance structure of the slurry liquid connecting pipe; the stepped clamping groove is clamped on the slurry coating groove at the position where the slurry coating groove is connected with the slurry connecting pipe through a fastening screw.
The invention relates to a battery slurry anti-splashing uniform coating device, which comprises a movable slurry stirrer and a power connection wire, wherein the movable slurry stirrer comprises a synchronous micromotor, a stirring shaft and a stirring claw, one end of the stirring shaft is connected with the synchronous micromotor, and the other end of the stirring shaft is connected with the stirring claw; the stirring claw can be arranged in the slurry liquid coating collecting pool on the slurry liquid coating groove, and the synchronous motor of the movable slurry stirrer is connected with a power supply control system through a power supply connecting line.
Preferably, the fixed splash-proof device is an arc-shaped or semi-arc-shaped flat injection pipe, one end of the flat injection pipe is connected to the outlet end of the liquid outlet pipe, the discharge port at the other end of the flat injection pipe is of a flat opening-shaped structure, the central axis of the discharge port is parallel to the bottom plate surface of the slurry liquid coating and collecting tank of the slurry liquid coating tank, and the outlet of the flat injection pipe faces the directions of the first three-roller mechanism and the second three-roller mechanism; the width of the opening of the flat discharge port is controlled to be twice of the diameter of the flat injection pipe, and the vertical height of the opening along the radial direction is controlled to be 0.4-0.5 time of the diameter of the flat injection pipe.
Furthermore, the automatic splashing prevention part comprises a cover plate and an automatic opening and closing device, the automatic opening and closing device is arranged on the outer wall surface of the periphery of the slurry outlet end of a slurry connecting pipe in a slurry coating and collecting pool above the slurry coating tank, the cover plate is movably arranged above the automatic opening and closing device at the slurry outlet end of the slurry connecting pipe, and the cover plate is controlled to be opened and closed through the automatic opening and closing device.
Preferably, the stirring claw 903 is a hollow arc-shaped structure with an inner cavity.
According to the device for preventing the battery slurry from splashing and uniformly coating, the automatic opening and closing device is an automatic control closing and opening device or a silica gel elastic piece or a spring elastic piece.
The invention discloses a device for preventing battery slurry from splashing and uniformly coating, which has the following beneficial technical effects by adopting the method and the device,
firstly, the device can prevent the battery slurry from splashing out of the discharge port due to certain internal pressure generated by the operation of a slurry pump when the battery slurry at the opening of the existing discharge pipeline is discharged, so that the technical problem that the slurry splashes to other positions above the machine head of the device or on the body of an operator can be solved, and the battery slurry can be prevented from splashing; and when the pressure of the switch valve is reduced, the effective supply of the slurry can not be ensured, and the like. By using the device, when the discharge hole is used for discharging, the stable discharging of the slurry can be ensured, the instant splashing can not be caused, the waste of the slurry is caused, the stable production of the coating machine is facilitated, and the production raw materials are saved;
secondly, the movable slurry stirrer 9 arranged at the corresponding position above the slurry coating tank 10 can fully stir and mix the slurry sprayed from the outlet of the spraying device, so that a small amount of solid-liquid slurry which is not uniformly mixed is uniformly mixed, and the slurry is uniformly stirred and mixed, so that the battery slurry can be uniformly coated on a workpiece G1 through a three-roller device, namely the slurry can be uniformly coated on a coating film of a lithium battery; the coating quality is ensured. The production cost is reduced.
In order to change the slurry into homogeneous slurry, the movable slurry stirrer 9 can automatically move back and forth along the slurry coating tank 10, and the stirring shaft 902 on the movable slurry stirrer 9 and the stirring claws 903 on the movable slurry stirrer can continuously stir and uniformly mix the battery slurry in the slurry coating and collecting tank 13.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of a device for preventing uniform coating of battery slurry from splashing according to the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view taken at the point I in FIG. 1 according to the present invention;
fig. 5 is a schematic structural view of an automatic open/close device of an automatic splash-proof portion according to an embodiment of the present invention, which employs a silicone elastic member 1102A;
FIG. 6 is a schematic structural view of a slurry-liquid uniform coating apparatus according to the present invention;
FIG. 7 is a schematic structural view of an automatic opening/closing device of an automatic anti-splash device according to another embodiment of the present invention, wherein a spring elastic member 1102A' is used as the automatic opening/closing device;
FIG. 8 is a schematic structural view of an embodiment of the present invention in which the fixed splash guard is in the shape of a rectangular parallelepiped;
FIG. 9 is an enlarged view of the point II in FIG. 8;
FIG. 10 is a schematic structural view of a liquid baffle groove 11B of the invention, which adopts a fixed splash guard and has a cuboid shape;
fig. 11 is a schematic structural view of a fourth embodiment of the structure of the flat injection pipe 11C in an arc shape or a semi-arc shape, which is adopted by the fixed splash guard of the present invention;
fig. 12 is a schematic sectional view at III in fig. 11.
In the figure, 1, a bracket, 2, a speed reducer, 3, a first three-roller mechanism, 301, a material supporting roller, 302, an upper discharging roller, 303, a lower discharging roller, 4, a stepping motor, 5, a cylinder, 6, a slurry liquid filter, 7, a second three-roller mechanism, 701, a driving roller, 702, a feeding roller, 703, a coating roller, 8, a power supply control system, 9, a movable slurry stirrer, 901, a synchronous micromotor, 902, a stirring shaft, 903, a stirring claw, 10, a slurry liquid coating groove, 1001, a liquid outlet pipe hole, 11A, an automatic splashing prevention part, 1101A, a cover plate, 1102A, a silica gel elastic part, 1102A', a spring elastic part, 11B, a liquid baffle groove, 1101B, an upper side wall plate, 1102B, a lower side wall plate, 1103B, a circular clamping groove, 1104B, a fastening screw, 1105B, a stepped clamping groove, 11C, a spraying flat pipe, 1102C, a discharge hole, 12, a slurry liquid connecting pipe, 13, a slurry liquid coating collecting pool, 14. a liquid outlet pipe G1 and a workpiece.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to examples. The upper part, the lower part, the left part, the right part and the like in the following description are the same as the slurry liquid and the battery slurry liquid in terms of the structure of the drawings in the description of the invention.
When a lithium ion battery coats a workpiece such as a lithium battery film, if a transfer type coating machine is adopted to coat a dressing, the dressing is fed into a trough of the coating machine through a feeding pipeline, at present, most of the dressing is directly discharged from a pipeline which is vertical above a head and a pipeline which is communicated with a material receiving plate below the trough, and a simple switch valve is arranged on a pipeline at a discharge port. When discharging is needed, the switch valve is opened, the slurry pump is started to pump the slurry into the slurry tank, and the amount of the slurry in the slurry tank is ensured to be stabilized within a certain range; however, the slurry pump works to have certain internal pressure, so that the slurry is easily sprayed out of the discharge port, and the slurry is sprayed to other positions above the machine head or an operator; when the opening and closing valve is reduced, the effective supply of the slurry cannot be ensured. The implementation mode of the invention solves the problems of splashing and uneven slurry liquid spraying in the existing battery slurry liquid spraying process.
Example 1
As shown in fig. 1 and 2, the device for preventing uniform coating of battery slurry according to the present invention comprises a support 1, a speed reducer 2, a first three-roller mechanism 3, a second three-roller mechanism 7, a stepping motor 4, a cylinder 5, a slurry filter 6, a power control system 8, a slurry coating tank 10, and a slurry coating collecting tank 13 disposed above one side surface of the slurry coating tank 10 for containing slurry, wherein a slurry outlet hole 1001 is disposed at a corresponding position on the slurry coating collecting tank 13 of the slurry coating tank 10, a liquid outlet pipe 14 is sleeved in the liquid outlet hole 1001, and a slurry connecting pipe 12, wherein one end of the slurry connecting pipe 12 is connected to the slurry filter 6, and the other end is communicated with the liquid outlet hole 1001 in the slurry coating collecting tank 13 of the slurry coating tank 10; a slurry splashing prevention mechanism and a slurry uniform coating device are arranged on a slurry coating tank 10; the slurry splashing prevention mechanism comprises a splashing prevention device, and the splashing prevention device is correspondingly arranged on a liquid outlet pipe 14 at the outlet of a liquid outlet pipe hole 1001 in a slurry coating and collecting tank 13 on a slurry coating tank 10; the splash-proof device comprises a movable splash-proof device and a fixed splash-proof device; the slurry liquid uniform coating device is movably arranged at a corresponding position above a slurry liquid coating and collecting tank 13 on one side surface of the slurry liquid coating tank 10 for containing the battery slurry liquid.
The movable splash guard is adopted by the splash guard device; as shown in fig. 4-6, the movable splash guard comprises a liquid outlet pipe 14 and an automatic splash guard part 11A; one end of the liquid outlet pipe 14 is connected to the slurry liquid coating and collecting tank 13 above one side surface of the slurry liquid containing tank 10 from the liquid outlet pipe hole 1001 on the slurry liquid coating tank 10, and the other end is connected and communicated with the slurry liquid connecting pipe 12; the automatic splashing prevention part 11A is correspondingly arranged at the outlet end part of a liquid outlet pipe 14 of a slurry coating and collecting pool 13 positioned above the slurry coating groove 10.
As shown in fig. 4 and 5, the automatic anti-splashing portion 11A of the device for uniformly coating the battery slurry according to the present invention includes a cover plate 1101A and an automatic open/close device, the automatic open/close device is disposed on the outer wall surface of the periphery of the slurry outlet end of the slurry connecting pipe 12 in the slurry coating collecting tank 13 above the slurry coating tank 10, and the cover plate 1101A is movably disposed above the automatic open/close device at the slurry outlet end of the slurry connecting pipe 12, and the cover plate 1101A is controlled to open and close by the automatic open/close device. Namely, the automatic opener is an automatically controlled opener which is controlled by electricity, and the automatic opener is controlled by an electric signal to control the opening and closing of the cover plate 1101A of the outlet pipe 14 on the outlet end of the outlet pipe 14 on the slurry coating collecting pool 13 of the slurry coating tank 10.
As shown in fig. 1 and 6, the uniform slurry coating device includes a movable slurry stirrer 9 and a power connection line, one end of the power connection line is connected to a synchronous micromotor 901 of the movable slurry stirrer 9, and the other end of the power connection line is connected to a power supply of a power control system 8, that is, the power control system 8 supplies power to the synchronous micromotor 901 through power connection; the movable slurry stirrer 9 comprises a synchronous micromotor 901, a stirring shaft 902 and a stirring claw 903, wherein one end of the stirring shaft 902 is connected with the synchronous micromotor 901, and the other end of the stirring shaft is connected with the stirring claw 903; the stirring claw 903 can be arranged in the slurry liquid coating and collecting pool 13 on the slurry liquid coating tank 10, and the synchronous motor 901 of the movable slurry stirrer 9 is connected with the power supply control system 8 through a power supply connecting wire 15; the stirring claw 903 is of a hollow arc-shaped structure with an inner cavity. The slurry stirrer 9 arranged on the slurry coating tank 10 can move left and right along one side of the slurry coating tank 10 above the slurry coating tank 10, so that the slurry in the slurry coating and collecting tank 13 can be stirred and mixed uniformly. The slurry liquid in the slurry liquid coating and collecting tank 13 is fully stirred and mixed, so that the slurry liquid can be uniformly coated on the G1 workpiece.
The parts not described in the following examples are the same as those in the above examples or embodiments.
Example 2
As shown in fig. 4, 5 and 7, the battery slurry anti-splashing uniform coating device disclosed by the invention adopts another movable anti-splashing device; when the automatic opening and closing device adopts the silica gel elastic member 1102A or the spring elastic member 1102A ', the silica gel elastic member 1102A or the spring elastic member 1102A ' is sleeved on the upper part of the bottom plate surface of the slurry coating and collecting tank 13 of the slurry coating tank 10 of the liquid outlet pipe 14, the cover plate 1101A is arranged on the upper part of the outlet end of the liquid outlet pipe 14, the silica gel elastic member 1102A or the spring elastic member 1102A ' is correspondingly linked with the cover plate 1101A, when the slurry pump works, because a certain working internal pressure exists in the slurry pump, under the action of the working internal pressure, the cover plate 1101A is washed open, the slurry is output from the liquid outlet pipe 14 and flows into the slurry coating and collecting tank 13 of the slurry coating tank 10, and the working internal pressure in the slurry pump is controlled to be larger than the elastic force of the silica gel elastic member 1102A or the spring elastic member 1102A ', namely the elastic force of the silica gel elastic member a or the spring elastic member 1102A ' is controlled to be smaller than the internal pressure in the slurry pump when, so as to ensure the outflow of the slurry liquid. When the power supply slurry pump is turned off to stop conveying the slurry liquid into the slurry liquid coating and collecting tank 13 of the slurry liquid coating tank 10, the impact force of the slurry liquid of the slurry pump on the cover plate 1101A disappears, and the cover plate 1101A covers the outlet end of the liquid outlet pipe 14 under the elastic force of the silica gel elastic piece 1102A or the spring elastic piece 1102A', so that the prevention of the splashing of the battery slurry liquid is realized.
Example 3
As shown in fig. 8-10, the battery slurry anti-splashing uniform coating device disclosed by the invention adopts a fixed anti-splashing device; the fixed splash preventer comprises a liquid baffle plate groove 11B, an upper side wall plate 1101B, a lower side wall plate 1102B, a circular clamping groove 1103B and a fastening screw 1104B, wherein the liquid baffle plate groove is of a cuboid structure, and the middle part of the cuboid structure is provided with a step-shaped clamping groove 1105B; the circular clamping groove 1103B and the fastening screw 1104B are arranged at corresponding positions on the lower side wall plate 1102B; the shape of the circular groove 1103B is correspondingly matched with the shape of the feed liquid connecting pipe 12; the stepped clamping groove 1105B is fixedly clamped on the slurry coating groove 10 at the position of the slurry coating groove 10 connected with the slurry connecting pipe 12 through a fastening screw 1104B; namely, a liquid baffle plate groove 11B with a cuboid structure is fixed and a splash-proof device is sleeved on a slurry coating groove 10 of a slurry coating groove 10 connecting pipe 12 and a liquid outlet pipe 14, and one end of the connecting pipe 12 is connected with the liquid outlet pipe 14. Thus, when the slurry pump works, a certain working internal pressure exists in the slurry pump, and under the action of the working internal pressure, when the battery slurry liquid is flushed out from the liquid outlet pipe 14, the flowing-out battery slurry liquid flows into the slurry liquid coating and collecting tank 13 of the slurry liquid coating tank 10 under the action of the upper side wall plate 1101B of the liquid baffle plate groove 11B, and cannot be splashed onto the body of an operator or other parts, so that the transportation of the battery slurry liquid is ensured.
Example 4
As shown in fig. 11-12, the battery slurry anti-splashing uniform coating device adopts another fixed anti-splashing device, the fixed anti-splashing device is an arc-shaped or semi-arc-shaped flat injection pipe 11C, one end of the flat injection pipe 11C is connected to the outlet end of the liquid outlet pipe 14, the outlet 1102C at the other end is of a flat open structure, the central axis of the outlet 1102C is parallel to the bottom plate surface of the slurry coating and collecting tank 13 of the slurry coating tank 10, and the outlet faces the first three-roller mechanism 3 and the second three-roller mechanism 7; namely, the arc-shaped or semi-arc-shaped flat injection pipe 11C is of a vertical structure, the discharge port 1102C is in a flat opening shape and is injected towards the first three-roller mechanism 3 and the second three-roller mechanism 7, the width of the opening of the flat discharge port 1102C is controlled to be 2-3 times of the diameter of the flat injection pipe 11C, and the vertical height of the opening in the radial direction is controlled to be 0.4-0.5 time of the diameter of the flat injection pipe 11C, so that battery slurry ejected by the discharge pump cannot be too large due to internal pressure, and the slurry can be sprayed onto an operator. The aim of preventing the battery slurry from splashing is also fulfilled.
The working principle and the working process of the battery slurry anti-splashing uniform coating device disclosed by the invention are as follows: after a power control system 8 of the battery slurry anti-splashing uniform coating device is powered on, when the coating device coats a G1 workpiece to be processed, a stepping motor 4 drives a speed reducer 2, an air cylinder 5, a first three-roller mechanism 3 and a second three-roller mechanism 7 to work, and after being filtered by a slurry filter 6, battery slurry is conveyed into a slurry coating and collecting tank 13 above one side surface of a slurry coating tank 10 for containing slurry through components of a slurry anti-splashing mechanism such as a slurry connecting pipe 12, a liquid outlet pipe 14, a cover plate 1101A and the like; then, the movable slurry stirrer 9 arranged above the slurry coating tank 10 is communicated with the power control system 8 through a power connection line for power supply operation, when battery slurry enters the slurry coating and collecting tank 13, the movable slurry stirrer 9 can also move back and forth along one side edge of the slurry coating tank 10, the stirring claw 903 is driven by the synchronous micro-motor 901 through the stirring shaft 902 to continuously and uniformly stir the battery slurry in the slurry coating and collecting tank 13, and a workpiece to be added, namely a G1 workpiece, foams the battery slurry through the first three-roller mechanism 3, the second three-roller mechanism 7 and other coaters, so that the battery slurry of the G1 workpiece is uniformly coated. Thereby ensuring the quality of the processed product G1 workpiece.
The above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the scope of the present invention, and all the modifications and the decoration made by the skilled in the art using the principles and technical features of the present invention should be covered by the protection scope defined by the appended claims.

Claims (9)

1. A battery slurry anti-splashing uniform coating device comprises a support (1), a speed reducer (2) arranged on the support (1), a first three-roller mechanism (3), a stepping motor (4) and a second three-roller mechanism (7), a slurry filter (6), a power control system (8), a slurry coating tank (10) and a slurry coating tank (10) are arranged above one side face containing slurry, a slurry coating collecting pool (13) is arranged above the slurry coating collecting pool (13) of the slurry coating tank (10), a liquid outlet pipe hole (1001) is formed in the corresponding position on the slurry coating collecting pool (13) of the slurry coating tank (10), a slurry connecting pipe (12), a liquid outlet pipe (14) is clamped in the liquid outlet pipe hole (1001), one end of the slurry connecting pipe (12) is connected to the slurry filter (6), and the other end of the slurry connecting pipe (14) is communicated with the liquid outlet pipe hole (1001) in the slurry coating collecting pool (13) on the slurry coating tank (10), the device is characterized in that a slurry liquid splashing prevention mechanism and a slurry liquid uniform coating device are arranged on a slurry liquid coating groove (10); the slurry splashing prevention mechanism comprises a splashing prevention device, and the splashing prevention device is correspondingly arranged at the outlet of a liquid outlet pipe (14) of a liquid outlet pipe hole (1001) in a slurry coating and collecting tank (13) on a slurry coating groove (10); the splash-proof device comprises a movable splash-proof device and a fixed splash-proof device.
2. The battery slurry anti-splashing uniform coating device as claimed in claim 1, wherein the slurry uniform coating device is movably arranged at a corresponding position above a slurry coating and collecting tank (13) at one side of a slurry coating tank (10) for containing battery slurry.
3. The battery slurry anti-splashing uniform coating device as claimed in claim 1, wherein the movable anti-splashing device comprises a liquid outlet pipe (14), an automatic anti-splashing part (11A); one end of the liquid outlet pipe (14) is connected with a slurry liquid coating and collecting pool (13) above one side surface of slurry containing liquid of the slurry liquid coating tank (10) from a liquid outlet pipe hole (1001) on the slurry liquid coating tank (10), and the other end of the liquid outlet pipe is connected and communicated with a slurry liquid connecting pipe (12); the automatic splashing prevention part (11A) is correspondingly arranged at the outlet end part of a liquid outlet pipe (14) of the slurry liquid coating and collecting pool (13) above the slurry liquid coating groove (10).
4. The battery slurry anti-splashing uniform coating device as claimed in claim 1, wherein the fixed anti-splashing device comprises a liquid baffle plate groove (11B) which is of a rectangular parallelepiped structure in appearance and is provided with a stepped clamping groove (1105B) in the middle of the rectangular parallelepiped structure, an upper side wall plate (1101B), a lower side wall plate (1102B), a circular clamping groove (1103B), and a fastening screw (1104B); the round clamping groove (1103B) and the fastening screw (1104B) are arranged at corresponding positions of the lower side wall plate (1102B); the clamping groove-shaped structure of the circular clamping groove (1103B) is correspondingly matched with the appearance structure of the slurry liquid connecting pipe (12); the stepped clamping groove (1105B) is clamped on the slurry coating groove (10) at the position of the slurry coating groove (10) connected with the slurry connecting pipe (12) through a fastening screw (1104B).
5. The battery slurry anti-splashing uniform coating device according to claim 1 or 2, wherein the battery slurry uniform coating device comprises a movable slurry stirrer (9) and a power supply connecting wire, the movable slurry stirrer (9) comprises a synchronous micromotor (901), a stirring shaft (902) and a stirring claw (903), one end of the stirring shaft (902) is connected to the synchronous micromotor (901), and the other end of the stirring shaft is connected to the stirring claw (903); the stirring claw (903) can be placed in the slurry liquid coating and collecting pool (13) on the slurry liquid coating tank (10), and a synchronous motor (901) of the movable slurry stirrer (9) is connected with a power supply control system (8) through a power supply connecting line (15).
6. The battery slurry anti-splashing uniform coating device according to claim 1, wherein the fixed anti-splashing device is an arc-shaped or semi-arc-shaped flat injection pipe (11C), one end of the flat injection pipe (11C) is connected to the outlet end of the liquid outlet pipe (14), the outlet (1102C) at the other end is of a flat open-type structure, the central axis of the outlet (1102C) is parallel to the bottom plate surface of the slurry coating and collecting tank (13) of the slurry coating tank (10), and the outlet faces the direction of the first three-roller mechanism (3) and the second three-roller mechanism (7); the opening width of the flat discharge port (1102C) is controlled to be 2-3 times of the diameter of the flat injection pipe (11C), and the vertical height in the radial direction is controlled to be 0.4-0.5 time of the diameter of the flat injection pipe (11C).
7. The battery slurry anti-splashing uniform coating device according to claim 3, wherein the automatic anti-splashing portion (11A) comprises a cover plate (1101A) and an automatic opening and closing device, the automatic opening and closing device is arranged on the outer wall surface of the periphery of the slurry outlet end of the slurry connecting pipe (12) in the slurry coating and collecting tank (13) above the slurry coating tank (10), the cover plate (1101A) is movably arranged above the automatic opening and closing device of the slurry outlet end of the slurry connecting pipe (12), and the automatic opening and closing device is used for controlling the opening and closing of the cover plate (1101A).
8. The battery slurry anti-splashing uniform coating device as claimed in claim 5, wherein the stirring claw (903) is of a hollow cambered surface structure with an inner cavity.
9. The device for preventing battery slurry from being sprayed uniformly in accordance with claim 7, wherein said automatic opening/closing device is an automatic closing/opening device or a silicone elastic member (1102A) or a spring elastic member (1102A').
CN202110234627.3A 2021-03-03 2021-03-03 Battery slurry anti-splashing uniform coating device Active CN113042302B (en)

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CN111672715A (en) * 2020-07-13 2020-09-18 上海亿氢科技有限公司 Fuel cell membrane electrode coating feeding device and method
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CN203678638U (en) * 2013-12-31 2014-07-02 广东凯德能源科技有限公司 Slurry conveying device of lithium battery pole piece coating machine
CN204276503U (en) * 2014-12-02 2015-04-22 苏州市高凡生物科技有限公司 The novel waste discharge mechanism of organic garbage biochemical treating device
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