CN116871133A - Automatic coating device - Google Patents

Automatic coating device Download PDF

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Publication number
CN116871133A
CN116871133A CN202311142350.7A CN202311142350A CN116871133A CN 116871133 A CN116871133 A CN 116871133A CN 202311142350 A CN202311142350 A CN 202311142350A CN 116871133 A CN116871133 A CN 116871133A
Authority
CN
China
Prior art keywords
charging basket
stirring
plate
extrusion
sealing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202311142350.7A
Other languages
Chinese (zh)
Other versions
CN116871133B (en
Inventor
徐孟洁
陈文豪
吴晓宁
马强
杨占杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Xinquan Energy Technology Co ltd
Original Assignee
Henan Xinquan Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Xinquan Energy Technology Co ltd filed Critical Henan Xinquan Energy Technology Co ltd
Priority to CN202311142350.7A priority Critical patent/CN116871133B/en
Publication of CN116871133A publication Critical patent/CN116871133A/en
Application granted granted Critical
Publication of CN116871133B publication Critical patent/CN116871133B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0036—Flash degasification
    • 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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • 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
    • 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
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • 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
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • 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)
  • Materials Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention relates to the technical field of coating equipment, and particularly discloses an automatic coating device which comprises a frame, wherein a conveying assembly and a coating assembly are arranged on the frame, the coating assembly comprises a charging basket and a coating roller, a stirring assembly, a pressure regulating assembly and an extrusion assembly are arranged in the charging basket, the stirring assembly comprises a driving source, a driving shaft and a stirring piece, the driving source is connected with one axial end of the driving shaft, the stirring piece is arranged along the axial direction of the driving shaft, the pressure regulating assembly comprises a cylinder, a connecting plate and a sealing plate, the sealing plate is assembled in the charging basket in a sliding fit manner with the side wall of the charging basket, the extending end of the cylinder is connected with the connecting plate, the connecting plate extends into the charging basket and is connected with the sealing plate, and the extrusion assembly is used for extruding slurry to discharge so as to reduce the influence of negative pressure on the slurry discharge speed when negative pressure is formed in the charging basket.

Description

Automatic coating device
Technical Field
The invention relates to the technical field of coating equipment, in particular to an automatic coating device.
Background
In the production and processing process of lithium batteries, pole piece coating has important significance on the capacity, consistency, safety and the like of the lithium batteries, the pole piece coating generally refers to a process of uniformly coating uniformly stirred slurry on a foil base material and drying an organic solvent in the slurry, the slurry is placed in a charging basket of coating equipment, and the slurry is deposited in the long-time placement process due to more slurry stored in the charging basket, so that the density of the slurry is uneven, the flow characteristic of the slurry is changed, and the coating quality of the pole piece is affected.
The patent document with the publication number of CN113000314B discloses coating equipment for processing lithium batteries, wherein a swinging component of the coating equipment drives a cam to rotate by utilizing the rotation of a fifth motor, then under the action of a connecting rod, the vertical swinging of one end of a charging basket can be realized, and then slurry in the charging basket is rocked to avoid the precipitation of the slurry;
the one end that the coating equipment that above-mentioned patent document discloses drove the storage bucket through swing subassembly rocks to strengthen the mobility of thick liquids in the storage bucket, this mode is less relatively to the disturbance that the thick liquids material in the storage bucket caused, and last to rock the feed cylinder and also cause the influence to the installation stability of feed cylinder easily, mix the feed cylinder through rocking and still can lead to some air to get into in the thick liquids, make produce the bubble in the thick liquids, and then cause the influence to the coating effect.
Disclosure of Invention
The invention provides an automatic coating device, which aims to solve the problems that the mixing effect is not ideal and bubbles are easy to generate in slurry in the mixing process when slurry materials placed for a long time are mixed in the related technology.
The invention relates to an automatic coating device, which comprises a frame, wherein a conveying assembly for conveying a foil substrate and a coating assembly for coating the foil substrate are arranged on the frame, the coating assembly comprises a charging basket and a coating roller, and a stirring assembly, a pressure regulating assembly and an extrusion assembly are also arranged in the charging basket;
the stirring assembly comprises a driving source, a driving shaft and a stirring piece, wherein the driving end of the driving source is connected with one axial end of the driving shaft, and the stirring piece is arranged along the axial direction of the driving shaft and synchronously rotates along with the driving shaft;
the pressure regulating assembly comprises a cylinder, a connecting plate and a sealing plate, wherein the extending end of the cylinder is connected with the connecting plate, the sealing plate is attached to the inner wall of the charging basket in a sliding mode, and the connecting plate extends into the charging basket to be connected with the sealing plate, so that the sealing plate is driven to lift in the charging basket and regulate the air pressure in the charging basket through the connecting plate when the cylinder extends and contracts;
and the extrusion assembly is used for extruding the slurry to be discharged when a negative pressure environment is formed in the charging basket so as to reduce the influence of the negative pressure environment on the discharge speed of the slurry.
Preferably, the extrusion assembly comprises an extension cylinder, a rotating shaft and an extrusion plate, the extrusion plate and the rotating shaft are arranged in the charging basket, the extension end of the extension cylinder is connected with a rack, one axial end of the rotating shaft extends out of the charging basket and is connected with a gear in a key manner, the gear is meshed with the rack, and the extrusion plate is driven to rotate in the charging basket and topple on the upper side of the stirring assembly through the rotating shaft when the extension end of the extension cylinder extends and contracts.
Preferably, the stirring pieces are arranged in a plurality, each stirring piece is arranged on the driving shaft at intervals along the axial direction of the driving shaft, each stirring piece slides on the driving shaft along the direction vertical to the axial direction of the driving shaft, the moving direction of each stirring piece relative to the driving shaft is consistent with the length direction of the stirring piece, and the length directions of any two adjacent stirring pieces are vertical.
Preferably, the driving shaft is provided with a through groove corresponding to each stirring piece, and the stirring pieces are movably inserted in the through grooves;
the stirring piece comprises a hollow shell, a guide groove is formed in the end face of the shell along the length direction of the end face of the shell, the guide groove is communicated with the inside of the shell, an extrusion block is arranged in the through groove and extends into a cavity in the shell through the guide groove, and extrusion springs are arranged between two opposite end faces of the shell along the length direction and the extrusion block, so that the extrusion block extrudes the extrusion springs when the stirring piece moves relative to the driving shaft.
Preferably, the stirring piece further comprises extension blocks, two extension blocks are respectively arranged at the length end parts of the shell, the two extension blocks located at one end of the length of the shell move relatively along the width direction of the shell, the two extension blocks located at one end of the length of the shell are connected with the shell through extension plates at the opposite end parts of the extension blocks, one end of the length of each extension plate is hinged with the middle part of the shell, the other end of the length of each extension plate is in sliding connection with the outer end part of each extension block, a spring is further arranged between each extension plate and the shell, and the distance between the two extension plates located at the two ends of the length of the shell is smaller than the length of each through groove.
Preferably, the extension block is in a U shape, the extension block is sleeved at two ends of the length of the shell, sliding grooves are formed in two opposite end faces of the extension block, the extension plate is in sliding connection with the extension block through the sliding grooves, and the length direction of the sliding grooves is consistent with the length direction of the shell.
Preferably, the pressure regulating assembly further comprises a push plate, the push plate is arranged on the lower side of the sealing plate in parallel, the push plate is connected with the sealing plate through a guide rod, the bottom end of the guide rod is fixed with the upper end face of the push plate, the guide rod is movably connected with the sealing plate, and springs are sleeved on the guide rod between the push plate and the sealing plate and above the sealing plate.
Preferably, the push plate and the sealing plate are both provided with pressure sensors.
Preferably, the conveying assembly comprises guide rollers, unreeling rollers and wind-up rollers, the unreeling rollers are located at the feeding end of the frame, the wind-up rollers are located at the discharging end of the frame, the guide rollers are multiple, and each guide roller is located between the unreeling rollers and the wind-up rollers.
Preferably, a discharge hole is arranged below the charging basket, the coating roller is placed under the charging basket and contacted with the discharge hole, one axial end of the coating roller is connected with a driving motor, the driving motor is arranged on the frame, and the coating roller is in rolling contact with the surface of the foil substrate at the upper end of the foil substrate.
The beneficial effects of the invention are as follows:
(1) The mixing effect of thick liquids in the storage bucket has been improved, the quality of foil substrate coating thick liquids has been guaranteed, the stirring subassembly that sets up in the storage bucket is used for stirring thick liquids, avoid thick liquids to form the sediment after placing for a long time, lead to the density of thick liquids inhomogeneous, stirring subassembly is in the course of the work, under the assistance of pressure regulating subassembly, make the storage bucket in form a negative pressure environment, in order to promote in the thick liquids because of the bubble that the stirring produced rise fast in the storage bucket and fry out on the thick liquids surface, further eliminate the bubble that the thick liquids stirring in-process produced, in order to guarantee the coating quality of pole piece.
(2) Through setting up extrusion subassembly, further reduce the influence of negative pressure environment to thick liquids discharge rate at stirring in-process, extrusion subassembly during operation, stretch out the cylinder and stretch out and drive the stripper plate and topple in stirring subassembly top, and when stirring subassembly rotated, the stripper plate was restricted the flow of the thick liquids that stirring subassembly drove to increase the thick liquids pressure of storage bucket discharge gate department, promote the thick liquids to be discharged by the discharge gate, in order to reduce the influence of negative pressure environment to discharge rate.
Drawings
Fig. 1 is a schematic perspective view of a coating device according to the present invention.
FIG. 2 is a schematic view of the positional relationship of the extrusion assembly of the present invention with respect to the bowl in an initial state.
FIG. 3 is a schematic view of the relative position of the barrels in the working state of the extrusion assembly according to the present invention.
Fig. 4 is a schematic perspective view of the extrusion assembly of the present invention.
Fig. 5 is a schematic perspective view of a stirring assembly according to the present invention.
FIG. 6 is a schematic view of the stirring element in the present invention, taken along the length direction.
FIG. 7 is a schematic view of the stirring element of the present invention partially cut along its length.
Fig. 8 is a schematic perspective view showing the expansion of the extension block of the stirring element relative to the shell.
Reference numerals:
1. a frame; 11. an unreeling roller; 12. a guide roller; 13. a wind-up roll; 14. a foil substrate; 2. a charging barrel; 21. a discharge port; 22. a coating roller; 23. a feed inlet; 24. a driving source; 25. a drive shaft; 251. extruding a block; 252. a through groove; 26. a housing; 261. a guide groove; 27. an extension block; 28. an extension plate; 3. a cylinder; 31. a connecting plate; 32. a sealing plate; 33. a push plate; 34. a guide rod; 4. extending out of the cylinder; 41. a rack; 42. an extrusion plate; 43. a rotating shaft; 431. a gear.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 8, an automatic coating device of the present invention comprises a frame 1, wherein a conveying component and a coating component are arranged on the frame 1, the conveying component comprises an unreeling roller 11, guide rollers 12 and a winding roller 13, the unreeling roller 11 is arranged at the initial end of the conveying direction of a foil substrate 14, the winding roller 13 is arranged at the tail end of the conveying direction of the foil substrate 14, a plurality of guide rollers 12 are arranged, each guide roller 12 guides and supports the foil substrate 14 between the unreeling roller 11 and the winding roller 13, wherein the installation height of the guide roller 12 adjacent to the unreeling roller 11 and the winding roller 13 on the frame 1 is larger than the installation height of the unreeling roller 11 and the winding roller 13 on the frame 1, so as to realize tensioning of the conveyed foil substrate 14, improve the coating effect of the foil substrate 14, and one axial end of the winding roller 13 is connected with a winding motor which drives the winding roller 13 to axially rotate around the winding motor.
The coating subassembly includes storage bucket 2 and coating cylinder 22, upper end one side of storage bucket 2 is equipped with feed inlet 23, can add thick liquids to storage bucket 2 through feed inlet 23, the lower extreme of storage bucket 2 is equipped with discharge gate 21, coating cylinder 22 is located the discharge gate 21 lower extreme, coating cylinder 22 upper end and discharge gate 21 butt, discharge gate 21 is rectangular form, the length direction of discharge gate 21 is parallel with the axial of coating cylinder 22, the axial one end of coating cylinder 22 is connected with driving motor, driving motor installs in frame 1, driving motor drives coating cylinder 22 around its axial rotation, coating cylinder 22 is located foil substrate 14 top and with the surface rolling contact of foil substrate 14 under driving motor's effect in order to carry out the coating thick liquids to foil substrate 14.
In order to avoid the slurry in the charging basket 2 to be deposited for a long time and influence the coating effect, be equipped with stirring assembly in the charging basket 2, in this embodiment, charging basket 2 is cuboid cavity in its inside upper end, charging basket 2 is semi-cylindrical arc space in its inside low side, the length direction of discharge gate 21 is the length direction of charging basket 2, stirring assembly includes actuating source 24, actuating shaft 25 and stirring piece, wherein actuating source 24 is the motor, actuating source 24 installs on frame 1, actuating shaft 25 locates in charging basket 2, actuating end of actuating source 24 stretches into in the charging basket 2 and is connected with the axial one end of actuating shaft 25, the stirring piece rotates along with actuating shaft 25 in step, actuating shaft 25 and stirring piece are located the bottom of charging basket 2, in the course of working, actuating source 24 drives actuating shaft 25 around its axial rotation, and then drive the stirring piece on actuating shaft 25 stirs the slurry in the charging basket 2, so that slurry intensive mixing avoids its to deposit in charging basket 2.
For further improving the stirring effect to the thick liquids, stirring piece can set up a plurality ofly, and the length direction of stirring piece is perpendicular with the axial of drive shaft 25, and each stirring piece sets up along the axial interval of drive shaft 25, and the length direction of adjacent stirring piece is perpendicular, and each stirring piece is crisscross to be set up on drive shaft 25 promptly, can improve the stirring in-process disturbance that causes to the thick liquids through a plurality of stirring pieces of crisscross setting to promote the intensive mixing of thick liquids.
In order to further eliminate bubbles generated in the slurry stirring process, a pressure regulating assembly is further arranged in the material barrel 2, the pressure regulating assembly is used for regulating the air pressure in the material barrel 2 when the stirring assembly works, so that a negative pressure environment is formed in the material barrel 2, the bubbles generated by stirring in the slurry are further promoted to rapidly rise to the surface of the slurry and burst open, the influence on the coating effect of the foil base material 14 is reduced, the pressure regulating assembly comprises a cylinder 3, a connecting plate 31 and a sealing plate 32, the sealing plate 32 is arranged in the material barrel 2, each side edge of the sealing plate 32 is attached to each side wall of the material barrel 2 in a sliding manner, the sealing plate 32 is a rectangular plate, a relatively sealed space is formed between the sealing plate 32 and the slurry liquid level, the purpose of regulating the air pressure at the upper side of the slurry is realized by changing the space between the sealing plate 32 and the slurry when the sealing plate 32 is attached to the side wall of the material barrel 2 in a lifting manner, the cylinder 3 can be arranged on the outer side of the material barrel 2 or a rack 1, the connecting plate 31 is L-shaped, the extending end of the air cylinder 3 is fixed with the connecting plate 31, the connecting plate 31 extends into the charging basket 2 and is fixed with the sealing plate 32, the air cylinder 3 drives the connecting plate 31 to move up and down when stretching and contracting, and then drives the sealing plate 32 to move in the charging basket 2 so as to squeeze the space above the slurry in the charging basket 2, the air cylinder 3 drives the sealing plate 32 to move downwards in the charging basket 2 so as to squeeze the space above the slurry, the pressure of the slurry is higher so as to promote the outflow of the slurry, otherwise, the air cylinder 3 drives the sealing plate 32 upwards, the space between the slurry and the sealing plate 32 is increased, the pressure of the slurry is reduced, the air bubbles generated by stirring in the slurry can quickly rise to the surface of the slurry under the action of air pressure and burst open on the surface of the slurry, the influence of the air bubbles generated in the stirring process on the coating of the foil substrate 14 is greatly reduced, the uniformity and the flatness of slurry coating are improved.
In addition, in order to monitor the pressure value above the slurry, the pressure regulating assembly further comprises a push plate 33, the push plate 33 is arranged below the sealing plate 32 in parallel, the push plate 33 is connected with the sealing plate 32 through a guide rod 34, the bottom end of the guide rod 34 is fixed with the upper end face of the push plate 33, the guide rod 34 is connected with the sealing plate 32 in a sliding manner along the thickness direction of the sealing plate 32, springs are sleeved on the guide rod 34 between the sealing plate 32 and the push plate 33 and on the upper side of the sealing plate 32, the push plate 33 is also a rectangular plate, each side edge of the push plate 33 slides in a fitting manner relative to the side wall of the charging basket 2, a relatively sealed space is formed between the push plate 33 and the slurry liquid level under the condition that the push plate 33 is arranged, the cylinder 3 pushes the sealing plate 32 to move through the connecting plate 31 in the telescopic process, the sealing plate 32 extrudes the springs on the upper side or the lower side of the sealing plate 32 along the moving direction during the moving, in order to improve the running stability of the pressure regulating assembly, two cylinders 3 are arranged at two ends of the length of the charging basket 2, a sealing plate 32 and a pushing plate 33 are respectively connected at four corners of the two cylinders through guide rods 34, in order to further monitor the air pressure in the charging basket 2 and avoid the influence of the too high or too low air pressure in the charging basket 2 on the sizing agent, pressure sensors are arranged on the sealing plate 32 and the pushing plate 33, the pressure sensors further detect the extrusion force born by springs sleeved on the upper side and the lower side of the guide rods 34, the pushing plate 33 is pushed upwards when the pressure in the charging basket 2 is too high, the springs between the pushing plate 33 and the sealing plate 32 are extruded at the moment, if the pressure of the pushing plate 33 is too low, the pushing plate 33 is pulled downwards at the same time, the springs at the upper side of the sealing plate 32 are extruded at the moment, the pressure in the barrel 2 can be roughly judged by the compression level of the spring.
When the inside of the charging basket 2 is in a negative pressure state, the outflow speed of the slurry from the discharge hole 21 is influenced, in order to reduce the influence of the negative pressure state on the outflow speed of the slurry, the charging basket 2 is also internally provided with an extrusion assembly, as shown in fig. 4, the extrusion assembly comprises an extension cylinder 4, a rotating shaft 43 and an extrusion plate 42, the extrusion plate 42 and the rotating shaft 43 are arranged in the charging basket 2, the axial direction of the rotating shaft 43 is parallel to the axial direction of the driving shaft 25, one end of the length of the extrusion plate 42 at the lower side is fixedly connected with the axial direction of the rotating shaft 43, one end of the rotating shaft 43 extends to the outside of the charging basket 2, a gear 431 is connected with the outside of the charging basket 2 in a key way, the extension cylinder 4 is arranged on the charging basket 2 or the frame 1, the extension end of the extension cylinder 4 is fixedly provided with a rack 41, the rack 41 is meshed with the gear 431, the extension cylinder 4 drives the gear 431 to rotate through the rack 41 in the extension cylinder 4 during extension, and then drive axis of rotation 43 and rotate, axis of rotation 43 drives rather than fixed stripper plate 42 synchronous rotation at pivoted in-process, as shown in fig. 2, under initial condition, stripper plate 42 can laminate the lateral wall setting of storage bucket 2, when forming negative pressure in storage bucket 2, stretch out cylinder 4 and drive stripper plate 42 in storage bucket 2 internal rotation to the state of fig. 3, stripper plate 42 topples in agitating unit upside, in agitating unit stirring thick liquids flow's in-process, thick liquids impact stripper plate 42, stripper plate 42 blocks the thick liquids that flow along with agitating unit, in order to increase the thick liquids pressure of storage bucket 2 discharge gate 21, promote the thick liquids to flow by discharge gate 21, the extrusion unit can promote the discharge of thick liquids in negative pressure environment, in order to reduce the influence that negative pressure environment produced to storage bucket 2 discharge rate.
In order to further increase the speed of promoting the slurry to flow out in the negative pressure environment, each stirring piece is slidably connected with the driving shaft 25 along the direction perpendicular to the axial direction of the driving shaft 25, so that when the driving shaft 25 rotates, each stirring piece is extruded to slide along the driving shaft 25 when contacting with the extrusion plate 42, the range of pushing the slurry to flow towards the discharge port 21 is increased, the extrusion range of the slurry at the bottom of the charging basket 2 is increased, and the discharge speed of the slurry is increased;
as shown in fig. 5 and 6, the driving shaft 25 is provided with a through groove 252 corresponding to each stirring member, the stirring members are movably inserted into the through grooves 252, the stirring members include a housing 26, the interior of the housing 26 is hollow, a guide groove 261 is provided on the end surface of the housing 26 along the length direction thereof, the guide groove 261 is communicated with a cavity inside the housing 26, a squeezing block 251 is fixed in the through groove 252, the squeezing block 251 extends into the cavity inside the housing 26 through the guide groove 261, the squeezing block 251 is slidably disposed relative to the housing 26, when one end of the stirring member abuts against the squeezing plate 42, the stirring member moves along the through groove 252 under the squeezing action of the squeezing plate 42, so as to increase the length of the stirring member pushing the slurry toward the discharge port 21, and further expand the moving range of the stirring member toward the discharge port 21, and a squeezing spring is provided between the opposite end surfaces of the housing 26 and the squeezing block 251, so that the squeezing block 251 squeezes the squeezing spring when the stirring member moves relative to the driving shaft 25, and the position of the stirring member on the driving shaft 25 automatically resets under the elastic action of the squeezing spring when the stirring member does not contact with the squeezing plate 42.
In order to further improve the extrusion range of the stirring piece to the slurry, as shown in fig. 7 and 8, the stirring piece further comprises an extension block 27, two extension blocks 27 are respectively arranged at the length end parts of the shell 26, the two extension blocks 27 positioned at one end of the length of the shell 26 relatively move along the width direction of the shell 26, the two extension blocks 27 positioned at one end of the length of the shell 26 are connected with the shell 26 at the opposite end parts thereof through an extension plate 28, one end of the extension plate 28 is hinged with the middle part of the shell 26, the other end of the extension plate 28 is in sliding connection with the outer end parts of the extension blocks 27, the extension blocks 27 are in a U shape, the extension blocks 27 are sleeved at the two end parts of the length of the shell 26, sliding grooves are formed in the two opposite end surfaces of the extension blocks 27, the length direction of the sliding grooves is consistent with the length direction of the shell 26, springs are further arranged between the extension plate 28 and the shell 26, the distance between the two extending plates 28 at the two ends of the length of the shell 26 is smaller than the length of the through groove 252, namely, when the stirring piece is not contacted with the extruding plate 42, the end part of each extending plate 28 connected with the shell 26 is positioned in the through groove 252, the extending plate 28 is attached to the side edge of the shell 26 under the limiting action of the through groove 252, and referring to fig. 7, when the stirring piece moves to be abutted with the extruding plate 42, the stirring piece slides along the through groove 252, the extending plate 28 at one side of the length of the shell 26 is completely removed from the through groove 252 and is not limited by the through groove 252 any more, under the elastic action of the spring between the extending plate 28 and the shell 26, one end of the extending plate 28 connected with the extending block 27 slides along the sliding groove and drives the extending block 27 to extend along the width direction of the shell 26 so as to increase the width of the stirring piece, and referring to fig. 8, the position of the spring is not shown, the spring may also be arranged between the extension block 27 and the extension plate 28.
The automatic coating device provided by the invention is matched with the stirring assembly to set the pressure regulating assembly, so that the slurry forms a negative pressure environment in the charging basket in the stirring process, the generation of bubbles in the stirring process of the slurry is effectively reduced, the influence of the negative pressure environment on the slurry outflow speed is reduced through the extrusion assembly, and the coating effect of the foil base material is ensured.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. An automatic coating device comprises a frame (1), wherein a conveying component for conveying a foil base material (14) and a coating component for coating the foil base material (14) are arranged on the frame (1), and the coating component comprises a charging basket (2) and a coating roller (22), and is characterized in that a stirring component, a pressure regulating component and an extrusion component are further arranged in the charging basket (2);
the stirring assembly comprises a driving source (24), a driving shaft (25) and a stirring piece, wherein the driving end of the driving source (24) is connected with one axial end of the driving shaft (25), and the stirring piece is arranged along the axial direction of the driving shaft (25) and synchronously rotates along with the driving shaft (25);
the pressure regulating assembly comprises an air cylinder (3), a connecting plate (31) and a sealing plate (32), wherein the extending end of the air cylinder (3) is connected with the connecting plate (31), the sealing plate (32) is attached to the inner wall of the charging basket (2) in a sliding mode, the connecting plate (31) extends into the charging basket (2) and is connected with the sealing plate (32), and when the air cylinder (3) extends and contracts, the sealing plate (32) is driven to lift in the charging basket (2) through the connecting plate (31) and the air pressure in the charging basket (2) is regulated;
and the extrusion assembly is used for extruding the slurry to be discharged when a negative pressure environment is formed in the charging basket (2) so as to reduce the influence of the negative pressure environment on the discharge speed of the slurry.
2. An automatic coating device according to claim 1, characterized in that the extrusion assembly comprises an extrusion cylinder (4), a rotating shaft (43) and an extrusion plate (42), the extrusion plate (42) and the rotating shaft (43) are arranged in the charging basket (2), the extrusion end of the extrusion cylinder (4) is connected with a rack (41), one axial end of the rotating shaft (43) is extended out of the charging basket (2) and is connected with a gear (431) in a key way, and the gear (431) is meshed with the rack (41) so as to drive the extrusion plate (42) to rotate in the charging basket (2) and to tilt at the upper side of the stirring assembly through the rotating shaft (43) when the extrusion end of the extrusion cylinder (4) stretches and contracts.
3. An automatic coating apparatus according to claim 2, wherein a plurality of stirring members are provided, each stirring member is provided on the driving shaft (25) at intervals in an axial direction of the driving shaft (25), each stirring member slides on the driving shaft (25) in a direction perpendicular to the axial direction of the driving shaft (25), a moving direction of each stirring member with respect to the driving shaft (25) coincides with a longitudinal direction of the stirring member, and a longitudinal direction of any adjacent two stirring members is perpendicular.
4. An automatic coating device according to claim 3, wherein the driving shaft (25) is provided with a through groove (252) corresponding to each stirring piece, and the stirring pieces are movably inserted in the through grooves (252);
the stirring piece comprises a hollow shell (26), a guide groove (261) is formed in the end face of the shell (26) along the length direction of the shell, the guide groove (261) is communicated with the inside of the shell (26), a squeezing block (251) is arranged in the through groove (252), the squeezing block (251) extends into a cavity in the shell (26) through the guide groove (261), and squeezing springs are arranged between two opposite end faces of the shell (26) along the length direction and the squeezing block (251), so that the squeezing block (251) squeezes the squeezing springs when the stirring piece moves relative to the driving shaft (25).
5. An automatic coating apparatus according to claim 4, wherein the stirring member further comprises extending blocks (27), the two extending blocks (27) are respectively provided at both ends of the length of the housing (26), the two extending blocks (27) located at one end of the length of the housing (26) are relatively moved in the width direction of the housing (26), the two extending blocks (27) located at one end of the length of the housing (26) are connected to the housing (26) at the opposite ends thereof by extending plates (28), one end of the length of the extending plates (28) is hinged to the middle of the housing (26), the other end of the length of the extending plates (28) is slidably connected to the outer ends of the extending blocks (27), and a spring is further provided between the extending plates (28) and the housing (26), and the distance between the two extending plates (28) located at both ends of the length of the housing (26) is smaller than the length of the through groove (252).
6. An automatic coating device according to claim 5, wherein the extension block (27) is in a "U" shape, the extension block (27) is sleeved at two ends of the length of the housing (26), two opposite end surfaces of the extension block (27) are provided with sliding grooves, the extension plate (28) is slidably connected with the extension block (27) through the sliding grooves, and the length direction of the sliding grooves is consistent with the length direction of the housing (26).
7. An automatic coating device according to claim 1, wherein the pressure regulating assembly further comprises a push plate (33), the push plate (33) is arranged on the lower side of the sealing plate (32) in parallel, the push plate (33) is connected with the sealing plate (32) through a guide rod (34), the bottom end of the guide rod (34) is fixed with the upper end face of the push plate (33), the guide rod (34) is longitudinally and slidably connected with the sealing plate (32), and springs are sleeved on the guide rod (34) between the push plate (33) and the sealing plate (32) and above the sealing plate (32).
8. An automatic coating device according to claim 7, characterized in that the push plate (33) and the sealing plate (32) are provided with pressure sensors.
9. An automatic coating device according to claim 1, wherein the conveying assembly comprises guide rollers (12), an unreeling roller (11) and a reeling roller (13), the unreeling roller (11) is arranged at the initial end of the conveying direction of the foil base material (14), the reeling roller (13) is arranged at the tail end of the conveying direction of the foil base material (14), a plurality of guide rollers (12) are arranged, and each guide roller (12) is arranged between the unreeling roller (11) and the reeling roller (13).
10. An automatic coating device according to claim 1, characterized in that a discharge opening (21) is arranged below the charging basket (2), the coating roller (22) is contacted with the discharge opening (21) below the charging basket (2), one axial end of the coating roller (22) is connected with a driving motor, the driving motor is arranged on the frame (1), and the coating roller (22) is in rolling contact with the surface of the foil substrate (14) at the upper end of the foil substrate (14).
CN202311142350.7A 2023-09-06 2023-09-06 Automatic coating device Active CN116871133B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503887A (en) * 1976-05-21 1978-03-15 Gardner D Pipe coating apparatus
JPH0725970U (en) * 1993-10-25 1995-05-16 石川島播磨重工業株式会社 Paint agitator
CN213140666U (en) * 2020-09-08 2021-05-07 山东华利环保工程有限公司 Sealed blanking machine
CN114984800A (en) * 2022-06-08 2022-09-02 中南大学湘雅二医院 Intervene branch of academic or vocational study and use liquid mixing arrangement
CN115041055A (en) * 2022-07-13 2022-09-13 徐州艾诗欧新能源科技有限公司 Lithium battery slurry stirring device
CN217774593U (en) * 2022-04-25 2022-11-11 江苏良玉激光新材料有限公司 Coating device for alumite hot stamping film
CN218340231U (en) * 2022-07-14 2023-01-20 广州市捷力创新能源有限公司 Lithium cell extrusion coating machine precision supplies thick liquid device
CN116236947A (en) * 2022-12-05 2023-06-09 江苏中讯高科投资集团有限公司 Stirring kettle for cutting fluid production

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503887A (en) * 1976-05-21 1978-03-15 Gardner D Pipe coating apparatus
JPH0725970U (en) * 1993-10-25 1995-05-16 石川島播磨重工業株式会社 Paint agitator
CN213140666U (en) * 2020-09-08 2021-05-07 山东华利环保工程有限公司 Sealed blanking machine
CN217774593U (en) * 2022-04-25 2022-11-11 江苏良玉激光新材料有限公司 Coating device for alumite hot stamping film
CN114984800A (en) * 2022-06-08 2022-09-02 中南大学湘雅二医院 Intervene branch of academic or vocational study and use liquid mixing arrangement
CN115041055A (en) * 2022-07-13 2022-09-13 徐州艾诗欧新能源科技有限公司 Lithium battery slurry stirring device
CN218340231U (en) * 2022-07-14 2023-01-20 广州市捷力创新能源有限公司 Lithium cell extrusion coating machine precision supplies thick liquid device
CN116236947A (en) * 2022-12-05 2023-06-09 江苏中讯高科投资集团有限公司 Stirring kettle for cutting fluid production

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