CN116748095A - Uniform air device, baking system and coating machine - Google Patents
Uniform air device, baking system and coating machine Download PDFInfo
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- CN116748095A CN116748095A CN202310685066.8A CN202310685066A CN116748095A CN 116748095 A CN116748095 A CN 116748095A CN 202310685066 A CN202310685066 A CN 202310685066A CN 116748095 A CN116748095 A CN 116748095A
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- Prior art keywords
- air
- wind
- outlets
- duct
- air duct
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- 239000011248 coating agent Substances 0.000 title claims abstract description 22
- 238000000576 coating method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000004308 accommodation Effects 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 40
- 239000002002 slurry Substances 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 11
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 abstract description 21
- 239000011888 foil Substances 0.000 description 11
- 239000002184 metal Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002003 electrode paste Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000011267 electrode slurry Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000005002 finish coating Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- 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
-
- 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
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The application provides a wind homogenizing device, a baking system and a coating machine. The wind homogenizing device comprises: a housing having an accommodation space; the air inlet is arranged at one side of the shell and is used for supplying air; the air guide framework assembly is arranged on the inner wall of the shell and used for supporting the shell, and is provided with at least one air inlet and a plurality of air outlets which are communicated with each other, the air inlet is communicated with the air inlet, and the air outlets are communicated with the accommodating space; and the air outlets are arranged on one side of the shell at intervals along the first direction, each air outlet is communicated with the accommodating space and used for guiding out air in the accommodating space to dry the base material, and the base material moves along the first direction or the opposite direction of the first direction relative to the air homogenizing device. The air homogenizing device provided by the application can improve the air outlet consistency of the air outlet nozzle through the air guide framework assembly, thereby improving the drying quality of the base material.
Description
Technical Field
The application relates to the technical field of coating and drying equipment for slurry for battery electrodes, in particular to a wind homogenizing device, a baking system and a coating machine.
Background
The electrodes of the battery are typically fabricated by the following method: the electrode paste in which the active material and the conductive material are mixed is coated on a metal foil, and dried at a high temperature to prepare the electrode paste. In this process, the dry quality of the metal foil coated with the electrode paste affects the quality of the electrode.
In general, a coater oven is used for drying metal foil coated with electrode slurry, uniformity of hot air outflow speed of the oven is critical to uniformity of drying of the metal foil coated with the electrode slurry, however, due to unreasonable design and arrangement of an intracavity flow guiding structure of the existing oven, uniformity of air outlet of a tuyere is reduced, and accordingly poor drying quality of the metal foil coated with the electrode slurry is caused.
Disclosure of Invention
In a first aspect, the present application provides a wind evening device, the wind evening device comprising:
a housing having an accommodation space;
the air inlet is arranged at one side of the shell and is used for supplying air;
the air guide framework assembly is arranged on the inner wall of the shell and used for supporting the shell, at least one air inlet and a plurality of air outlets which are communicated are formed in the air guide framework assembly, the air inlet is communicated with the air inlet, and the plurality of air outlets are communicated with the accommodating space; a kind of electronic device with high-pressure air-conditioning system
The air outlets are arranged at intervals on one side of the shell, each air outlet is communicated with the containing space and used for guiding out air in the containing space to dry the base material, wherein the first direction is perpendicular to the direction in which the air outlets blow the base material and parallel to the arrangement direction of the air outlets, and the base material moves along the first direction or the opposite direction of the first direction relative to the air homogenizing device.
The air guide framework component comprises a plurality of first air guide pipes which are arranged at intervals along a direction parallel to the first direction, a plurality of air outlets are formed in each first air guide pipe, the plurality of air outlets in each first air guide pipe are arranged along the extending direction of the air outlet nozzle, and the first air guide pipes are used for guiding air to the air outlet nozzle.
Wherein each first air duct corresponds to one air outlet nozzle.
Wherein, the air guide skeleton subassembly still includes:
the second air duct is provided with at least one air inlet, the second air duct is connected with a plurality of first air ducts, and the air inlet on the second air duct is communicated with a plurality of air outlets on each first air duct.
The shell comprises a first side wall and a second side wall which are oppositely arranged, one end of the first air duct is connected with the first side wall, and the other end of the first air duct is connected with the second side wall;
the first air duct is provided with a first center interface, and the first center interface is arranged at the center of the first air duct along a second direction, wherein the second direction is the direction in which the first side wall points to the second side wall;
the second air duct is communicated with the first center interfaces of the first air ducts, the second air duct is provided with a second center interface, the second center interface is arranged at the center of the second air duct along the first direction, and the second center interface is communicated with the air inlet.
The second air duct is gradually increased in inner diameter along the direction parallel to the first direction and far away from the second center interface.
The air outlet nozzle is arranged along the direction parallel to the second direction, and the first air duct is arranged along the direction parallel to the second direction; the inner diameters of the plurality of first air guide pipes gradually increase along a direction parallel to the first direction and away from the second center interface.
The air outlets of the first air duct are arranged towards the air outlet nozzle, and the total area of the air outlets of the first air duct is gradually increased along the direction parallel to the first direction and far away from the second center interface.
And on each first air duct, the area of the air outlet is gradually increased along the direction parallel to the second direction and far away from the first central interface.
The air homogenizing device comprises a shell, at least one air inlet, an air guide framework component and a plurality of air outlets, wherein the air guide framework component receives air guided by the air inlet through the air inlet, guides the air to each region in the accommodating space through the plurality of air outlets so as to flow to the plurality of air outlets, can reduce the wind resistance of the air guided by the air inlet to each region in the accommodating space, can avoid vortex generated due to overlarge accommodating space, and improves the uniformity and stability of guiding the air to each region in the accommodating space, thereby being beneficial to the uniformity of air outlet of the air outlets and further improving the drying quality of the base material. In addition, the air guide frame component is arranged on the inner wall of the shell, so that the air guide frame component can support the shell, and the stability of the overall structure of the air homogenizing device is improved. Therefore, the air homogenizing device provided by the application can improve the air outlet consistency of the air outlet nozzle through the air guide framework assembly, so that the drying quality of the base material is improved.
In a second aspect, the present application also provides a toasting system comprising:
a plurality of wind homogenizing devices according to the first aspect, wherein the plurality of wind homogenizing devices comprise a first wind homogenizing device group and a second wind homogenizing device group, a channel for conveying the base material is formed between the first wind homogenizing device group and the second wind homogenizing device group, and the wind outlets of the first wind homogenizing device group and the wind outlets of the second wind homogenizing device group are both directed towards the channel for outputting wind; a kind of electronic device with high-pressure air-conditioning system
And the hot air supply system is connected with the air inlet and is used for supplying hot air towards the air inlet.
The air outlets of the first air homogenizing device group and the air outlets of the second air homogenizing device group are staggered along the first direction.
In the baking system provided by the application, the first air homogenizing device group and the second air homogenizing device group are both composed of at least one air homogenizing device, and as the air homogenizing devices can improve the consistency of the air blown to the base material, the baking system provided by the application can improve the consistency of the air blown to the opposite sides of the base material, thereby improving the drying quality of the base material.
In a third aspect, the present application also provides a coater comprising:
a coating system for coating the slurry on a substrate;
a baking system according to the second aspect, the baking system being disposed downstream of the coating system, the baking system being for drying the substrate; a kind of electronic device with high-pressure air-conditioning system
And the rolling system is arranged at the downstream of the baking system and is used for rolling the dried base material.
The coating machine provided by the application can improve the drying quality of the base material through the baking system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a wind evening device according to an embodiment of the present application.
Fig. 2 is a schematic structural view of the wind evening device in fig. 1 taken along line A-A.
Fig. 3 is a schematic structural diagram of the wind evening device in fig. 2 under another view angle.
Fig. 4 is a schematic structural view of the air guide frame assembly of fig. 1.
Fig. 5 is a schematic view of the air guide frame assembly of fig. 4 from another perspective.
Fig. 6 is a schematic structural diagram of a baking system according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a coater according to an embodiment of the present application.
Reference numerals: a coater 1; a baking system 10; a wind evening device 100; a housing 110; a housing space 111; a first sidewall 112; a second sidewall 113; a top wall 114; a bottom wall 115; an air inlet 120; an air guide bone frame assembly 130; a first air duct 131; an air outlet 1311; a first central interface 1312; a second air duct 132; an air inlet 1321; a second central interface 1322; an air outlet nozzle 140; a first fan assembly 200; a second fan assembly 300; a channel 400; a hot air supply system 500; a coating system 20; a winding system 30; a first direction D1; a second direction D2.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without any inventive effort, are intended to be within the scope of the application.
The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" or "implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment or implementation may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The present application provides a wind evening device 100. Referring to fig. 1 to fig. 4, fig. 1 is a schematic structural diagram of a wind homogenizing device according to an embodiment of the present application; FIG. 2 is a schematic structural view of the wind-homogenizing device of FIG. 1 taken along line A-A; FIG. 3 is a schematic view of the wind-homogenizing device in FIG. 2 at another view angle; fig. 4 is a schematic structural view of the air guide frame assembly of fig. 1. In this embodiment, the wind evening device 100 includes a housing 110, at least one air inlet 120, an air guiding frame assembly 130, and a plurality of air outlets 140. The housing 110 has an accommodating space 111. The air inlet 120 is disposed at one side of the housing 110, and the air inlet 120 is used for supplying air. The air guide skeleton is disposed on the inner wall of the housing 110. The air guide frame assembly 130 is used to support the housing 110. The air guiding frame assembly 130 is provided with at least one air inlet 1321 and a plurality of air outlets 1311 which are communicated with each other. The air inlet 1321 communicates with the air inlet 120. The plurality of air outlets 1311 are communicated with the accommodating space 111. The air outlets 140 are disposed at intervals on one side of the housing 110. Each air outlet 140 is connected to the accommodating space 111, and is configured to guide out air in the accommodating space 111 to dry the substrate. The first direction D1 is perpendicular to the direction in which the air outlet nozzles 140 blow the substrate, and is parallel to the arrangement direction of the air outlet nozzles 140. The substrate moves in the first direction D1 or a direction opposite to the first direction D1 with respect to the wind evening device 100.
In the present embodiment, the air homogenizing device 100 is used for drying a substrate, specifically, the air homogenizing device 100 dries a substrate coated with a slurry by blowing hot air. The substrate moves along the first direction D1 or the opposite direction of the first direction D1 relative to the air evening device 100, and the plurality of air outlets 140 are disposed at intervals on the bottom wall 115 along the first direction D1, so that the plurality of air outlets 140 can continuously blow hot air toward the substrate when the substrate moves relative to the air evening device 100, thereby continuously drying the substrate. For example, the paste may be, but is not limited to, electrode paste, paint, ink, and the like. When the slurry is a slurry for an electrode, the substrate is a foil, specifically a metal foil for a battery electrode.
In this embodiment, the air guiding frame assembly 130 communicates with the air inlet 120 through the air inlet 1321 to receive the air introduced by the air inlet 120, and transmits the air through the self structure of the air guiding frame assembly 130, so that the air is guided out to each region of the accommodating space 111 through the plurality of air outlets 1311, and the air entering the accommodating space 111 flows toward the plurality of air outlets 140 to be blown toward the substrate through the air outlets 140. The air guiding frame assembly 130 guides the air guided by the air inlet 120 to each region of the accommodating space 111, so that the wind resistance of the air guided by the air inlet 120 to each region in the accommodating space 111 can be reduced, vortex generated due to overlarge accommodating space 111 can be avoided, uniformity and stability of guiding the air to each region in the accommodating space 111 are improved, uniformity of air outlet of the air outlet nozzle 140 is facilitated, and drying quality of the base material is improved. In addition, the air guide frame assembly 130 is disposed on the inner wall of the housing 110, so that the air guide frame assembly 130 can support the housing 110, thereby improving the stability of the overall structure of the air evening device 100. In other words, the air guide frame assembly 130 provided in the embodiment of the present application changes at least part of the framework that is originally used to support the housing 110 into the air guide frame assembly 130 with an air guide function, so as to achieve the effects of improving uniform and stable transmission of wind, maintaining stability of the overall structure of the wind homogenizing device 100, and saving the internal space of the housing 110.
Optionally, the number of air inlets 120 is the same as the number of air inlets 1321 to simplify the connection of the air inlets 120 to the air inlets 1321.
Alternatively, the number of the air inlets 1321 is one, and the air inlet structure of the air guide skeleton can be simplified. Alternatively, the number of the air inlets 1321 is at least two, so that the total distance of the wind transmitted in the air guiding skeleton can be reduced, thereby reducing the loss of wind.
Optionally, the air outlets 1311 are uniformly distributed on the air guiding frame assembly 130, so that the air guiding frame assembly 130 can uniformly discharge air from all places. Alternatively, the air outlets 1311 are distributed on the air guiding frame assembly 130 according to a preset rule, so that the air guiding frame assembly 130 can perform air outlet according to a preset requirement, and specifically, the preset rule is distributed as will be described in detail later.
Alternatively, the air outlet 1311 may be, but not limited to, a circular hole, or a trilateral hole, or a square hole, or a polygonal hole, or a slit, etc.
Optionally, the air guiding frame assembly 130 and the air outlets 140 are disposed on two inner walls opposite to the housing 110, so that the air outlets 1311 can be disposed towards the air outlets 140, thereby improving the efficiency of the air outlets 140 receiving the air guided by the air guiding frame assembly 130.
In summary, the wind homogenizing device 100 provided by the present application includes the housing 110, at least one air inlet 120, the air guiding frame assembly 130 and the plurality of air outlet nozzles 140, wherein the air guiding frame assembly 130 receives the wind introduced by the air inlet 120 through the air inlet 1321, and guides the wind to each region in the accommodating space 111 through the plurality of air outlets 1311 so as to flow to the plurality of air outlet nozzles 140, so that the wind resistance of the wind introduced by the air inlet 120 flowing to each region in the accommodating space 111 can be reduced, and the occurrence of vortex caused by the oversized accommodating space 111 can be avoided, and uniformity and stability of guiding the wind to each region in the accommodating space 111 are improved, thereby being beneficial to uniformity of wind outlet of the air outlet nozzles 140, and further improving the drying quality of the substrate. In addition, the air guide frame assembly 130 is disposed on the inner wall of the housing 110, so that the air guide frame assembly 130 can support the housing 110, thereby improving the stability of the overall structure of the air evening device 100. Therefore, the air evening device 100 provided by the application can improve the air outlet consistency of the air outlet nozzle 140 through the air guide framework assembly 130, thereby improving the drying quality of the base material.
Referring to fig. 1-4 again, in the present embodiment, the air guide frame assembly 130 includes a plurality of first air guide pipes 131 spaced apart along the first direction D1. A plurality of air outlets 1311 are provided on each of the first air ducts 131. The plurality of air outlets 1311 on each of the first air ducts 131 are arranged along the extending direction of the air outlet nozzle 140. The first air duct 131 is used for guiding the wind to the air outlet nozzle 140.
In this embodiment, the plurality of air outlets 1311 on the first air duct 131 are arranged along the extending direction of the air outlet nozzle 140, so that the plurality of air outlets 1311 on the first air duct 131 can blow air to each region of the air outlet nozzle 140 correspondingly, thereby improving the uniformity of the air volume received by each region of the air outlet nozzle 140, and further improving the uniformity of the air outlet of each region of the air outlet nozzle 140.
Optionally, each first air duct 131 is disposed corresponding to one air outlet 140, so that a path of the air blown by the first air duct 131 to the air outlet 140 through a plurality of air outlets 1311 is shorter, thereby reducing loss of the air, and further, an orthographic projection of the first air duct 131 on the bottom wall 115 is at least partially overlapped with an orthographic projection of the air outlet 140 on the bottom wall 115, so as to further reduce loss of the air. Or, at least two first air ducts 131 are disposed corresponding to one air outlet nozzle 140, so that the air blown by the first air ducts 131 to the air outlet nozzle 140 covers the whole area of the air outlet nozzle 140, and uniformity of air outlet of the air outlet nozzle 140 is facilitated.
Optionally, the air guide frame assembly 130 has one air inlet 1321, and one air inlet 1321 communicates with the plurality of first air guide pipes 131, so as to simplify the air intake structure of the air guide frame assembly 130. Alternatively, the air guide frame assembly 130 has a plurality of air inlets 1321, and one air inlet 1321 corresponds to at least two first air guide pipes 131, or one air inlet 1321 corresponds to one first air guide pipe 131, so as to reduce the total distance of wind transmitted in the air guide frame, and further reduce the loss of wind.
Referring again to fig. 2-4, in the present embodiment, the air guide frame assembly 130 further includes a second air guide tube 132. At least one air inlet 1321 is provided on the second air duct 132. The second air duct 132 is connected to a plurality of the first air ducts 131, and the air inlet 1321 on the second air duct 132 is communicated with a plurality of the air outlets 1311 on each of the first air ducts 131.
In this embodiment, the second air duct 132 is communicated with the plurality of first air ducts 131, and the second air duct 132 is provided with at least one air inlet 1321, so that the air introduced from the air inlet 120 can be guided to the plurality of air outlets 1311 of each air duct through one second air duct 132, so that the air guiding efficiency of the air guiding skeleton is high.
Alternatively, the intake vent 120 may be, but is not limited to being, directly connected to the intake vent 1321 or connected to the intake vent 1321 via an air duct.
Optionally, the second air duct 132 and the first air ducts 131 may be formed as a single structure, but not limited to, by integral casting, welding, or the like, so as to enhance structural stability of the air guide frame assembly 130.
Optionally, the air guide frame assembly 130 further includes a supporting member disposed on an inner wall of the housing 110, and configured to support the housing 110 together with the plurality of first air guide pipes 131 and the second air guide pipes 132, so as to improve stability of an overall structure of the air evening device 100.
Referring to fig. 1-5, fig. 5 is a schematic view of the air guiding frame assembly of fig. 4 from another perspective. In this embodiment, the housing 110 includes a first side wall 112 and a second side wall 113 disposed opposite to each other. One end of the first air duct 131 is connected to the first side wall 112. The other end of the first air duct 131 is connected to the second side wall 113. The first airway 131 has a first central interface 1312. The first central interface 1312 is disposed at the center of the first air duct 131 along the second direction D2. The second direction D2 is a direction in which the first sidewall 112 points to the second sidewall 113. The second air duct 132 communicates with the first central ports 1312 of the plurality of first air ducts 131. The second airway tube 132 has a second central interface 1322. The second center interface 1322 is disposed at the center of the second air duct 132 along the first direction D1. The second central interface 1322 communicates with the air inlet 1321.
In this embodiment, the air inlet 120 is connected to the center of the second air duct 132, that is, to the second center interface 1322, so that the air introduced by the air inlet 120 is uniformly distributed in the second air duct 132. Further, all the first air ducts 131 are communicated through the second air duct 132, and the second air duct 132 is communicated with the center of the first air duct 131, that is, the first center interface 1312 of the first air duct 131 is communicated, so that uniformity of wind guided to the first air duct 131 through the second air duct 132 is facilitated.
Optionally, the housing 110 includes a top wall 114 and a bottom wall 115 that are disposed opposite to each other, the plurality of air outlets 140 are disposed on the bottom wall 115, the air guiding frame assembly 130 is disposed on the top wall 114, the air inlet 120 is disposed on the top wall 114 and directly communicates with the second central interface 1322, so as to improve air intake efficiency, or the air inlet 120 is disposed on the first side wall 112 or the second side wall 113 and is communicated with the second central interface 1322 through an air guiding pipe, so as to avoid affecting the connection support of the air guiding frame assembly 130 at the top wall 114.
Referring to fig. 2-5 again, in the present embodiment, the inner diameter of the second air duct 132 is gradually increased along the direction parallel to the first direction D1 and away from the second central interface 1322, so as to reduce the wind resistance of the second air duct 132 away from the second central interface 1322, thereby improving the uniformity of the air volume of the second air duct 132, and further improving the uniformity of the air volume of the first air duct 131, so that the uniformity of the air volume of each air outlet nozzle 140 is high.
Referring to fig. 2 to 5 again, in the present embodiment, the air outlet nozzle 140 is disposed parallel to the second direction D2. The first air duct 131 is disposed in parallel to the second direction D2. The inner diameters of the plurality of first air guide pipes 131 gradually increase in a direction parallel to the first direction D1 and away from the second center interface 1322.
In this embodiment, the air outlet 140 and the first air duct 131 are both disposed along a direction parallel to the second direction D2, which is advantageous in that the first air duct 131 is disposed opposite to the air outlet 140, so that the air outlet 1311 is disposed opposite to the air outlet 140, and further, the first air duct 131 guides air to the air outlet 140.
In the present embodiment, the inner diameters of the plurality of first air ducts 131 are gradually increased along the direction parallel to the first direction D1 and away from the second central interface 1322, so as to reduce the wind resistance in the first air duct 131 away from the second central interface 1322, thereby improving the uniformity of the air volume of each first air duct 131.
Further, along the direction parallel to the second direction D2 and far from the first central interface 1312, the inner diameter of each first air duct 131 gradually increases, so as to reduce the wind resistance of the first air duct 131 far from the first central interface 1312, thereby improving the uniformity of the air volume in each place in each first air duct 131, and further improving the uniformity of the air blown by each first air duct 131 to the air outlet nozzle 140 in the second direction D2.
Referring to fig. 2 to 4 again, in the present embodiment, the air outlets 1311 of the first air duct 131 are disposed towards the air outlet 140. Along the direction parallel to the first direction D1 and far away from the second central interface 1322, the total area of the plurality of air outlets 1311 on the first air duct 131 is gradually increased, so as to reduce the wind resistance of the first air duct 131 far away from the second central interface 1322 towards the air outlet 140, thereby improving the uniformity of the wind quantity of each first air duct 131 towards the air outlet 140.
Referring to fig. 2 to fig. 4 again, in this embodiment, on each first air duct 131, along a direction parallel to the second direction D2 and far from the first central interface 1312, the area of the air outlet 1311 is gradually increased so as to reduce the wind resistance at the air outlet 1311 of the first air duct 131 far from the first central interface 1312, thereby improving the uniformity of the air volume of the air outlet between the air outlets 1311 on the first air duct 131, and improving the uniformity of the air received by the air outlet nozzle 140 in the second direction D2.
The present application also provides a baking system 10. Referring to fig. 1, 3, 4 and 6, fig. 6 is a schematic structural diagram of a baking system according to an embodiment of the application. In this embodiment, the baking system 10 includes a plurality of the air evening device 100 and the hot air supply system 500 according to any of the above embodiments. The plurality of wind evening devices 100 includes a first wind evening device group 200 and a second wind evening device group 300. A channel 400 for transporting the substrate is formed between the first wind-homogenizing device group 200 and the second wind-homogenizing device group 300. The air outlet nozzles 140 of the first air distribution device set 200 and the air outlet nozzles 140 of the second air distribution device set 300 both face the channel 400. The hot air supply system 500 is connected to the air inlet 120, and is configured to supply hot air toward the air inlet 120.
In this embodiment, the baking system 10 is used for drying a substrate, specifically, the air homogenizing device 100 dries a substrate coated with a slurry by blowing hot air. Wherein, the slurry is coated on two surfaces of the base material which are arranged opposite to each other. The first air homogenizing device group 200 and the second air homogenizing device group 300 are arranged oppositely to form a channel 400 for conveying the base material, and the two surfaces of the base material, which are arranged oppositely, are respectively subjected to air drying. For example, the paste may be, but is not limited to, electrode paste, paint, ink, and the like. When the slurry is a slurry for an electrode, the substrate is a foil, specifically a metal foil for a battery electrode.
In this embodiment, the hot air supply system 500 is configured to supply hot air such that the air blown toward the substrate by the air outlet 140 is hot air. Optionally, the hot air supply system 500 includes an air supply device and a heating device, where the air supply device is connected to the air inlet 120 and is used for supplying air, and the heating device is disposed in the air supply device or the air homogenizing device 100 and is used for heating air. The embodiment shown in fig. 6 is illustrated by the fact that the heating device is provided in the air supply device, and the installation position of the heating device is not limited.
In this embodiment, the first wind-homogenizing device set 200 and the second wind-homogenizing device set 300 are both composed of at least one wind-homogenizing device 100, and the uniformity of the wind blown to the substrate can be improved by the wind-homogenizing device 100, so that the uniformity of the wind blown to the opposite sides of the substrate can be improved by the baking system 10 provided by the application, and the drying quality of the substrate is improved.
Further, the air outlet nozzles 140 of the first air-evening device group 200 and the air outlet nozzles 140 of the second air-evening device group 300 are staggered along the first direction D1, which is favorable for maintaining balance of the substrate in the channel 400, and prevents the air outlet nozzles 140 of the first air-evening device group 200 and the air outlet nozzles 140 of the second air-evening device group 300 from generating air flow interference.
The application also provides a coater 1. Referring to fig. 1, 3, 4, 6 and 7, fig. 7 is a schematic structural diagram of a coater according to an embodiment of the application. In this embodiment, the coater 1 includes a coating system 20, a baking system 10 and a winding system 30 according to any of the above embodiments. The coating system 20 is used to coat a slurry onto a substrate. The baking system 10 is arranged downstream of the coating system 20, the baking system 10 being used for drying the substrate. The winding system 30 is disposed downstream of the baking system 10, and the winding system 30 is configured to wind up the dried substrate.
In the present embodiment, the coater 1 is used for coating, drying, and winding up the slurry. Specifically, the coater 1 includes a coating system 20, a baking system 10, and a winding system 30. The coating system 20 is used to coat the slurry on two sides of the substrate disposed opposite each other. The baking system 10 is used for blowing hot air towards two surfaces of the substrate, which are arranged opposite to each other, so as to dry the substrate. The winding system 30 is used for winding the dried substrate to finish coating and drying the substrate. When the slurry coated on the substrate is electrode slurry, the substrate is a foil, specifically a metal foil for battery electrodes.
Optionally, the coater 1 further comprises an unwind system provided upstream of the coating system 20 for unwinding the substrate.
Optionally, the coater 1 further comprises a traction system for traction the substrate to keep the substrate stably transported.
In the present embodiment, the coating machine 1 can improve the drying quality of the substrate by the baking system 10.
While embodiments of the present application have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and alternatives to the above embodiments may be made by those skilled in the art within the scope of the application, which is also to be regarded as being within the scope of the application.
Claims (12)
1. A wind evening device (100), characterized in that the wind evening device (100) comprises:
a housing (110), the housing (110) having an accommodation space (111);
the air inlet (120) is arranged on one side of the shell (110), and the air inlet (120) is used for supplying air;
the air guide framework assembly (130), the air guide framework assembly (130) is arranged on the inner wall of the shell (110), the air guide framework assembly (130) is used for supporting the shell (110), the air guide framework assembly (130) is provided with at least one air inlet (1321) and a plurality of air outlets (1311) which are communicated, the air inlet (1321) is communicated with the air inlet (120), and the air outlets (1311) are communicated with the accommodating space (111); a kind of electronic device with high-pressure air-conditioning system
The air distribution device comprises a shell (110) and a plurality of air outlets (140), wherein the air outlets (140) are arranged on one side of the shell at intervals, each air outlet (140) is communicated with the accommodating space (111) and used for guiding out air in the accommodating space (111) to dry a base material, the first direction (D1) is perpendicular to the direction that the air outlets (140) blow the base material and parallel to the arrangement direction of the air outlets (140), and the base material moves along the first direction (D1) or the opposite direction of the first direction (D1) relative to the air distribution device (100).
2. The air evening device (100) according to claim 1, wherein said air guide skeleton assembly (130) comprises a plurality of first air guide pipes (131) arranged at intervals along a direction parallel to said first direction (D1), a plurality of air outlets (1311) are arranged on each first air guide pipe (131), a plurality of air outlets (1311) on each first air guide pipe (131) are arranged along an extension direction of said air outlet nozzle (140), and said first air guide pipes (131) are used for guiding air to said air outlet nozzle (140).
3. The wind evening device (100) according to claim 2, wherein each of said first air ducts (131) is arranged in correspondence of one of said air outlet nozzles (140).
4. The air evening device (100) according to claim 2, wherein said air guide skeleton assembly (130) further comprises:
the second air duct (132), be equipped with at least one on the second air duct (132) air inlet (1321), a plurality of first air duct (131) are connected to second air duct (132), just on the second air duct (132) air inlet (1321) with every a plurality of on first air duct (131) gas outlet (1311) all communicate.
5. The wind evening device (100) according to claim 4, wherein the housing (110) comprises a first side wall (112) and a second side wall (113) which are oppositely arranged, one end of the first air duct (131) is connected to the first side wall (112), and the other end of the first air duct (131) is connected to the second side wall (113);
the first air duct (131) is provided with a first center interface (1312), and the first center interface (1312) is arranged at the center of the first air duct (131) along a second direction (D2), wherein the second direction (D2) is the direction that the first side wall (112) points to the second side wall (113);
the second air duct (132) is communicated with the first center interfaces (1312) of the first air ducts (131), the second air duct (132) is provided with a second center interface (1322), the second center interface (1322) is arranged at the center of the second air duct (132) along the first direction (D1), and the second center interface (1322) is communicated with the air inlet (1321).
6. The wind evening device (100) according to claim 5, wherein said second air duct (132) has an inner diameter gradually increasing in a direction parallel to said first direction (D1) and away from said second central interface (1322).
7. The air evening device (100) according to claim 5, wherein said air outlet mouth (140) is arranged in parallel to said second direction (D2), said first air duct (131) being arranged in parallel to said second direction (D2); the inner diameters of the plurality of first air ducts (131) gradually increase along a direction parallel to the first direction (D1) and away from the second central interface (1322).
8. The air evening device (100) according to claim 7, wherein a plurality of the air outlets (1311) of the first air duct (131) are arranged towards the air outlet nozzle (140), and the total area of the plurality of the air outlets (1311) on the first air duct (131) is gradually increased along a direction parallel to the first direction (D1) and away from the second central interface (1322).
9. The air evening device (100) according to claim 8, wherein on each of said first air ducts (131) the area of said air outlet (1311) increases gradually in a direction parallel to said second direction (D2) and away from said first central interface (1312).
10. A baking system (10), characterized in that the baking system (10) comprises:
a plurality of wind evening devices (100) according to any of claims 1-9, wherein a plurality of the wind evening devices (100) comprises a first wind evening device group (200) and a second wind evening device group (300), a channel (400) for transporting the substrate is formed between the first wind evening device group (200) and the second wind evening device group (300), and the wind outlet nozzles (140) of the first wind evening device group (200) and the wind outlet nozzles (140) of the second wind evening device group (300) are both facing the channel (400); a kind of electronic device with high-pressure air-conditioning system
And the hot air supply system (500) is connected to the air inlet (120) and is used for supplying hot air towards the air inlet (120).
11. The baking system (10) of claim 10, wherein the air outlets (140) of the first set of air distribution devices (200) are staggered with the air outlets (140) of the second set of air distribution devices (300) along the first direction (D1).
12. A coater (1), characterized in that the coater (1) comprises:
a coating system (20), the coating system (20) for coating a slurry onto a substrate;
the baking system (10) according to any of claims 10-11, the baking system (10) being arranged downstream of the coating system (20), the baking system (10) being adapted to dry the substrate; a kind of electronic device with high-pressure air-conditioning system
And the winding system (30) is arranged at the downstream of the baking system (10), and the winding system (30) is used for winding the dried base material.
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| CN202310685066.8A CN116748095B (en) | 2023-06-09 | 2023-06-09 | Uniform air device, baking system and coating machine |
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| CN202310685066.8A CN116748095B (en) | 2023-06-09 | 2023-06-09 | Uniform air device, baking system and coating machine |
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